CN119805539A - Gamma radiation detecting device and method - Google Patents
Gamma radiation detecting device and method Download PDFInfo
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- CN119805539A CN119805539A CN202510278608.9A CN202510278608A CN119805539A CN 119805539 A CN119805539 A CN 119805539A CN 202510278608 A CN202510278608 A CN 202510278608A CN 119805539 A CN119805539 A CN 119805539A
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Abstract
The invention discloses a gamma radiation detection device and a detection method, which belong to the technical field of radiation detection devices, wherein the gamma radiation detection device comprises two groups of chains which are oppositely arranged, a plurality of bases are connected between the two groups of chains, the bases are arranged in pairs, one side of each base, which is far away from the chain, is provided with a supporting plate, the outer side of each chain is provided with a shell, when the height of raw materials piled on a platen is higher, the distance of a magnetic plate moving relative to a transverse plate is longer, so that a rotating shaft can be overlapped with the magnetic plate by a shorter distance, the distance of the upward movement of the supporting plate is further controlled, and similarly, when the height of raw materials piled on the platen is lower, the distance of the upward movement of the supporting plate is longer, so that the raw materials can keep the same distance relative to a detection unit after entering the shell through a baffle, the detection accuracy is improved, and the detection unit can be protected.
Description
Technical Field
The invention relates to the technical field of radiation detection devices, in particular to a gamma radiation detection device and a gamma radiation detection method.
Background
Nuclear radiation is a microscopic particle stream released during the transition of nuclei from one structure or energy state to another, and is known as ionizing radiation, where the nuclear radiation causes ionization or excitation of a substance.
Chinese patent CN219625714U discloses a channel type radiation detecting instrument, which transmits articles through a detecting channel by a transmission belt, and lifts a placing plate and drives the placing plate to rotate by a driving component, thereby comprehensively detecting nuclear radiation of the articles, and transmitting the articles out by the transmission belt after the detection is completed, thus being safer and more reliable, and simple and convenient to operate.
According to the device, the telescopic cylinder is arranged to drive the raw material to move in the vertical direction and detect the raw material by the radiation detector, but in actual use, the telescopic cylinder cannot adjust the rising distance of the material according to the height of the material, so that the distance from the material to the detector is not stable enough, the detection precision is affected, and in summary, the device still has improvement.
Therefore, it is necessary to provide a gamma radiation detection device and a gamma radiation detection method for solving the above technical problems.
Disclosure of Invention
The invention aims to provide a gamma radiation detection device and a gamma radiation detection method, which are used for solving the problems that in the prior art, a telescopic cylinder is arranged to drive raw materials to move in the vertical direction and detect the raw materials by using a radiation detector, but in actual use, the telescopic cylinder cannot adjust the rising distance of the materials according to the height of the materials, so that the distance from the materials to the detector is not stable enough, and the detection precision is affected.
Based on the thought, the gamma radiation detection device comprises two groups of chains which are oppositely arranged, wherein a plurality of bases are connected between the two groups of chains, the bases are in pairs, one group of bases are provided with a supporting plate on one side far away from the chains, a shell is arranged on the outer side of the chains, a detection unit for detecting radiation is hoisted on the top wall inside the shell, sliding blocks are slidably arranged at two ends inside the base, a supporting rod is hinged between the sliding blocks and the supporting plate, a rotating shaft is rotatably arranged in the base, penetrates through the sliding blocks and is in threaded connection with the sliding blocks, a driven gear is sleeved at the end part of the rotating shaft through a clamping assembly, and an upper rack meshed with the driven gear is arranged on the outer side of the chains;
A transverse plate is arranged at the side wall of the inner cavity of the shell and is in running fit with the shell, an adsorption unit matched with the clamping assembly is arranged on the transverse plate, one end of the shell is hinged with a baffle, when the bedplate carrying materials is sent into the shell along with the rotation of the chain, the material at the top of the bedplate can be contacted with the baffle and drive the baffle to deflect, and the position of the adsorption unit can be adjusted in the deflection process of the baffle, so that the meshing time of the driven gear and the upper rack is controlled.
As a further scheme of the invention, a spring seat is fixedly arranged at the inner wall of the shell, and a tension spring is fixedly arranged between the spring seat and the transverse plate.
As a further scheme of the invention, the clamping assembly comprises a clamping block which is arranged on the peripheral wall of the outer side of the rotating shaft and is elastically matched with the rotating shaft, a clamping groove matched with the clamping block is formed in the inner wall of the driven gear, a pulling plate is slidably arranged at one end, close to the driven gear, of the rotating shaft, a pull rope is fixedly arranged between the pulling plate and the clamping block, and a magnetic block is fixedly embedded into the end face of one end, far away from the pull rope, of the pulling plate.
As a further scheme of the invention, the adsorption unit is a magnetic plate, the whole transverse plate is in a shape like a Chinese character 'Hui', the magnetic plate is arranged in the transverse plate in a sliding manner, openings are formed in the positions, located at the two ends, of the inner side surface of the transverse plate, and the surface, opposite to the magnetic block, of the magnetic plate is provided with different magnetic poles.
The invention further adopts the scheme that a transverse shaft is fixedly arranged at the top end of the baffle, the transverse shaft is in running fit with the shell, a main gear is fixedly sleeved on the outer side of the transverse shaft, a pinion is meshed on the outer side of the main gear, a reel is connected to one side, close to the shell, of the pinion, and a traction rope is connected between the magnetic plate and the reel.
As a further scheme of the invention, the top wall and the bottom wall of the inner side of the transverse plate are respectively provided with a strip-shaped groove in sliding fit with the magnetic plate, the magnetic plate slides in the strip-shaped groove, the bottom surface of the inner part of the strip-shaped groove positioned below is provided with an inserting hole, the bottom surface of the magnetic plate is elastically connected with a protruding block matched with the inserting hole, and the protruding block is far away from one end of the magnetic plate and positioned at the edge and is set as a conical surface.
As a further scheme of the invention, a pressing strip is elastically connected below the transverse plate, a plurality of ejector rods matched with the jacks are fixedly arranged on one side surface of the pressing strip, which is close to the transverse plate, the cross sections of the ejector rods and the jacks are all T-shaped, bulges are fixedly arranged at the inner wall of the shell, the bulges are arranged at the positions of the two ends below the pressing strip, a boss is arranged on the inner side of the magnetic plate, the boss is fixedly connected to the inner bottom surface of the transverse plate, and the two ends of the boss are inclined planes.
As a further scheme of the invention, chain wheels are arranged at two ends of the chain.
As a further scheme of the invention, two sections of external threads with opposite rotation directions are arranged on the peripheral surface of the outer side of the rotating shaft.
The method for detecting by using the gamma radiation detection device comprises the following steps that a base is driven to move by a chain, and materials can be contacted with a baffle plate and drive the baffle plate to deflect in the process that the base enters a shell; the position of the adsorption unit can be adjusted through the deflection degree of the baffle, so that the meshing time of the driven gear and the upper rack is controlled, the rising height of the supporting plate is further controlled, and the distance between the raw materials in the supporting plate and the detection unit is kept constant.
Compared with the prior art, the invention has the beneficial effects that when the height of the raw materials piled on the bedplate is higher, the distance of the magnetic plate moving relative to the transverse plate is longer, so that the shorter distance of the rotating shaft moving can be overlapped with the magnetic plate, and the upward moving distance of the supporting plate is further controlled.
Drawings
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a cross-plate mounting schematic of the present invention;
FIG. 3 is a schematic view of the mating of the cross plate, bead and projection of the present invention;
FIG. 4 is a cross-sectional view of the present invention;
FIG. 5 is an enlarged schematic view of the structure of FIG. 4A in accordance with the present invention;
FIG. 6 is a schematic view of the cooperation of the support plate and the base of the present invention;
FIG. 7 is an enlarged schematic view of the structure of FIG. 6 at C in accordance with the present invention;
FIG. 8 is an enlarged schematic view of the structure of FIG. 6B in accordance with the present invention;
FIG. 9 is a schematic diagram of the mating of the driven gear with the upper rack of the present invention;
FIG. 10 is a schematic diagram of a latch and pull plate connection structure according to the present invention;
FIG. 11 is a schematic view of the platen and support plate cooperation of the present invention;
FIG. 12 is a schematic view of the ejector pin and bump structure of the present invention.
1, A shell, 2, a transverse shaft, 3, a pinion, 4, a traction rope, 5, a guide wheel, 6, a supporting plate, 7, a base, 701, a positioning rod, 702, a sliding block, 703, a supporting rod, 8, a chain, 9, a baffle, 10, a detection unit, 11, a bulge, 12, a pressing bar, 1201, a push rod, 1202, a vertical rod, 13, a transverse plate, 1301, an inserting hole, 1302, an opening, 14, a lower rack, 15, a reel, 16, a supporting rod, 17, an upper rack, 18, a magnetic plate, 1801, a connector, 19, a rotating shaft, 1901, a driven gear, 1902, a clamping block, 20, a tension spring, 21, a connecting block, 2101, a positioning bar, 22, a positioning plate, 23, a boss, 2301, a slope, 24, a pulling plate, 25, a pulling rope, 26, a lug, 2601, a conical surface, 27, a platen, 2701, a positioning column, 28, a pin, 29, a pressing bar, 30 and a supporting bar.
Detailed Description
As shown in fig. 1-10, a gamma radiation detection device and a detection method thereof, the gamma radiation detection device comprises two groups of chains 8 which are oppositely arranged, a plurality of bases 7 are connected between the two groups of chains 8, specifically, a plurality of bases 7 are arranged in pairs, one side of each base 7 far away from the corresponding chain 8 is provided with a supporting plate 6, the supporting plates 6 can move in the vertical direction relative to the corresponding bases 7, and when in actual use, a bedplate 27 carrying materials is inserted between the two adjacent supporting plates 6, so that the materials can be conveyed through the chains 8, a shell 1 is arranged at the periphery of the chains 8, and a detection unit 10 for detecting radiation is hung on the top wall inside the shell 1;
The two ends of the inside of the base 7 are both provided with sliding blocks 702 in a sliding manner, a supporting rod 703 is hinged between the sliding blocks 702 and the supporting plate 6, a rotating shaft 19 is rotatably arranged in the base 7 for driving the sliding blocks 702 to move relative to the base 7, two sections of external threads with opposite rotation directions are arranged on the outer side of the rotating shaft 19, the rotating shaft 19 penetrates through the sliding blocks 702 and is in threaded connection with the sliding blocks 702, the supporting plate 6 can be driven to move in the vertical direction through the structure, a driven gear 1901 is rotatably sleeved at the position, which is close to the end, of the rotating shaft 19, the driven gear 1901 is matched with the rotating shaft 19 through a clamping assembly, an upper rack 17 meshed with the driven gear 1901 is arranged on the outer side of the chain 8, and the upper rack 17 is positioned at the upper half part of the chain 8;
The transverse plate 13 is arranged at the side wall of the inner cavity of the shell 1, the transverse plate 13 is in running fit with the shell 1, in an initial state, the transverse plate 13 is in a horizontal state, as shown in the combined figures 4-9, an adsorption unit matched with the clamping assembly is arranged on the transverse plate 13, the baffle 9 is hinged at one end of the shell 1, the material on the top of the platen 27 can be contacted with the baffle 9 and drive the baffle 9 to deflect in the process of feeding the platen 27 carrying the material into the shell 1 along with the rotation of the chain 8, and the position of the adsorption unit can be adjusted in the process of deflecting the baffle 9, so that the meshing time of the driven gear 1901 and the upper rack 17 is controlled, and the upward moving distance of the support plate 6 is controlled.
Referring to fig. 10, the clamping assembly includes a clamping block 1902 disposed on an outer peripheral wall of the rotating shaft 19 and elastically matched with the rotating shaft 19, the clamping block 1902 can move relative to a diameter direction of the rotating shaft 19, a clamping groove matched with the clamping block 1902 is formed in an inner wall of the driven gear 1901, a circular pulling plate 24 is slidably disposed at one end of the rotating shaft 19, which is close to the driven gear 1901, a pull rope 25 is fixedly disposed between the pulling plate 24 and the clamping block 1902, the pull rope 25 passes through the rotating shaft 19 and slidably cooperates with the pulling rope, and a magnetic block is fixedly embedded in an end face of one end, which is far away from the pull rope 25, of the pulling plate 24.
Referring to fig. 7-9, the adsorption unit is a magnetic plate 18, specifically, the whole of the transverse plate 13 is in a shape of a Chinese character 'hui', the magnetic plate 18 is slidably disposed in the transverse plate 13, and openings 1302 are disposed at positions of two ends of the inner side surface of the transverse plate 13, so that the end of the rotating shaft 19 can enter the transverse plate 13 through the openings 1302 and be attached to the magnetic plate 18, and the opposite surfaces of the magnetic plate 18 and the magnetic blocks have different magnetic poles.
In order to connect the baffle 9 with the magnetic plate 18, the position of the magnetic plate 18 can be adjusted in the process of rotating the baffle 9, the transverse shaft 2 is arranged at the position of the top end of the baffle 9, the transverse shaft 2 penetrates through the baffle 9 and is fixedly connected with the baffle 9, two ends of the transverse shaft 2 are in running fit with the shell 1 through bearings, a main gear is fixedly sleeved on the outer side of the transverse shaft 2, a secondary gear 3 meshed with the driving gear is arranged at the position below the transverse shaft 2, a reel 15 is connected to one side, close to the shell 1, of the secondary gear 3, so that the secondary gear 3 can drive the reel 15 to synchronously rotate, a traction rope 4 is connected between the magnetic plate 18 and the reel 15, through the structure, when the baffle 9 rotates, the traction rope 4 can be wound by utilizing the meshing between the main gear and the secondary gear 3, and the magnetic plate 18 is driven to slide relative to the transverse plate 13.
In actual use, the platen 27 carrying raw materials is inserted between two adjacent support plates 6, the platen 27 is driven to enter the shell 1 for detection through the rotation of the chain 8, in the process that the platen 27 enters the shell 1 through the baffle 9, the materials on the top of the platen 27 are contacted with the baffle 9 and drive the baffle 9 to deflect, according to the difference of the stacking heights of the materials on the top of the platen 27, the deflection angles of the baffle 9 are different, according to the description, in the process that the baffle 9 rotates, the reel 15 can be driven to rotate through the meshing of the main gear and the auxiliary gear 3, and the traction rope 4 is further wound, so that the traction rope 4 pulls the magnetic plate 18 towards the direction close to the baffle 9, specifically, the higher the raw materials stacked on the top of the platen 27, the longer the sliding distance of the magnetic plate 18 relative to the transverse plate 13 is;
When the chain 8 drives the raw materials on the platen 27 to pass through the baffle 9 and continuously move, the driven gear 1901 connected to the rotating shaft 19 can be meshed with the upper rack 17, so that the driven gear 1901 can drive the rotating shaft 19 to rotate, because the rotating shaft 19 is in threaded connection with the sliding blocks 702, the two sliding blocks 702 can be driven to be close to each other in the rotating process of the rotating shaft 19, and then the supporting plate 6 is driven to move upwards through the supporting rod 703, so that the distance between the raw materials on the platen 27 and the detecting unit 10 is reduced, and when the rotating shaft 19 enters the transverse plate 13 through the opening 1302 and is attached to the magnetic plate 18, the pulling plate 24 can be driven to move outwards through the attraction of the magnetic plate 18 to the magnetic block, and the pulling plate 24 can pull the clamping block 1902 through the pulling rope 25, one end of the clamping block 1902 is separated from the clamping groove, so that the driven gear 1901 is separated from the rotating shaft 19, at this moment, the driven gear 1901 is in a self-rotating state, and the supporting plate 6 also keeps a certain height, so that the detecting unit 10 is beneficial to detect the raw materials on the platen 27, in particular, when the raw materials stacked on the platen 27 are higher than the transverse plate 18, the distance is higher than the transverse plate 18, the distance can be controlled to be higher than the inner side of the transverse plate 13, and the distance can be more accurately detected than the former case, and the distance can be kept to the distance can be detected, and the distance can be increased than the distance to the inner side of the detecting unit through the transverse plate 10 and the magnetic plate through the detection unit, and the distance can be more than the distance and the distance can be compared with the distance to the detection unit.
As shown in fig. 2-9 and 12, the top wall and the bottom wall of the inner side of the transverse plate 13 are provided with bar grooves in sliding fit with the magnetic plate 18, so that the magnetic plate 18 slides in the bar grooves, the bottom surface of the inner side of the bar groove below is provided with a jack 1301, the bottom surface of the magnetic plate 18 is elastically connected with a bump 26 matched with the jack 1301, one end of the bump 26 far away from the magnetic plate 18 is provided with a conical surface 2601 at the edge, when the bump 26 is in a popped state and is inserted into the jack 1301, the conical surface 2601 can be contacted with the inner wall of the jack 1301, by the structure, when the acting force between the bump 26 and the inner wall of the jack 1301 is increased, the bump 26 can be moved out of the jack 1301, and the cooperation between the bump 26 and the jack 1301 can keep the stability of the magnetic plate 18 in the process that the rotating shaft 19 coincides with the magnetic plate 18;
The lower part of the transverse plate 13 is elastically connected with a pressing strip 12, one side surface of the pressing strip 12, close to the transverse plate 13, is fixedly provided with a plurality of ejector rods 1201 matched with the jacks 1301, the ejector rods 1201 are in one-to-one correspondence with the jacks 1301, the cross sections of the ejector rods 1201 and the jacks 1301 are respectively T-shaped, when the ejector rods 1201 are completely inserted into the jacks 1301, the top surfaces of the ejector rods 1201 are parallel to the bottom surfaces of the lower strip-shaped grooves, the bottom surfaces of the lower strip-shaped grooves are of a complete plane structure, and in combination with the figures 1-3, the inner wall of the shell 1 is fixedly provided with protrusions 11, the protrusions 11 are provided with two protrusions 11 and are arranged at two end positions below the pressing strip 12, so that the pressing strip 12 can be contacted with the two protrusions 11 in the process of deflecting the transverse plate 13, and when the pressing strip 12 deflects downwards, the pressing strip 12 can be contacted with the protrusions 11, and the pressing strip 12 can be close to the transverse plate 13;
Referring to fig. 1-3 and 9, a pin shaft 28 is fixedly arranged at one end, close to the baffle 9, of the outer side surface of the transverse plate 13, the pin shaft 28 is inserted into the shell 1 and is in running fit with the shell 1, a spring seat is fixedly arranged at the inner wall of the shell 1, a tension spring 20 is fixedly arranged between the spring seat and the transverse plate 13, the tension spring 20 is positioned at one end, far from the pin shaft 28, of the transverse plate 13, and in an initial state, the horizontal state of the transverse plate 13 can be maintained through the tension spring 20;
As shown in fig. 5-7, a boss 23 is disposed on the inner side of the magnetic plate 18, the boss 23 is fixedly connected to the inner bottom surface of the transverse plate 13, and two ends of the boss 23 are both provided with inclined planes 2301, and during the process of moving the rotating shaft 19 relative to the transverse plate 13, the rotating shaft 19 can pass through the boss 23;
Referring to fig. 9, for two rotating shafts 19 in a group, driven gears 1901 are sleeved at different ends of the two rotating shafts 19, and a magnetic plate 18 and an upper rack 17 on one side inside the casing 1 are staggered with the magnetic plate 18 and the upper rack 17 on the other side inside the casing 1 by a distance, so that after two adjacent rotating shafts 19 enter the casing 1, the driven gears 1901 on the two rotating shafts 19 can be meshed with the upper rack 17 at the same time, and the ends of the two rotating shafts 19 can be attached to the magnetic plate 18 at the same time, and by this structure, the support plates 6 on the two adjacent bases 7 can be driven to rise synchronously;
In practical use, after the magnetic plate 18 is pulled to the corresponding position through deflection of the baffle 9, the stability of the magnetic plate 18 can be maintained through the cooperation of the lug 26 and the insertion hole 1301, and after the platen 27 completely passes through the detection unit 10, the end parts of the two adjacent rotating shafts 19 are all moved to the boss 23, the transverse plate 13 can be driven to deflect downwards through the extrusion of the inclined plane 2301 on the boss 23 by the end parts of the rotating shafts 19, in the process, the pressing strip 12 can be close to the transverse plate 13 through the limit of the protrusion 11, so that the ejector rod 1201 on the pressing strip 12 can be inserted into the insertion hole 1301 and jack up the lug 26, the lug 26 is arranged on the bottom surface of the strip-shaped groove, the magnetic plate 18 can slide downwards to the initial position along the inclined transverse plate 13, then the next group of bases 7 can drive raw materials to enter the shell 1 for detection, and the device is matched with the boss 23 through the arranged rotating shafts 19, so that the raw materials can be reset in time after passing through the detection unit 10, the magnetic plate 18 can be favorable for the next group of raw materials to enter the shell 1, and the whole detection process is more efficient and more consistent.
As shown in fig. 1-4, the two ends of the chain 8 are respectively provided with a sprocket, so that the chain 8 is sleeved outside the sprocket, the outside of the chain 8 is provided with a vertical plate, a round shaft is fixedly installed on the sprocket, passes through the vertical plate and is rotationally connected with the vertical plate, a motor is installed on one of the vertical plates, and an output shaft of the motor is in transmission connection with one end of the round shaft, which passes through the vertical plate, so as to drive the chain 8 to rotate, and the chain 8 is driven to rotate in a common structure, so that the components such as the round shaft, the vertical plate and the like are not marked in the drawing.
The pinion 3 is provided with the connecting axle for the fixed cover of pinion 3 is located on the connecting axle, and the connecting axle then rotates with casing 1 to be connected, and the connecting axle outside is located to above-mentioned reel 15 fixed cover, is provided with leading wheel 5 under reel 15, makes haulage rope 4 walk around from the leading wheel 5 outside, in order to improve the stability of haulage rope 4 operation.
The detection unit 10 may be a radiation detector, etc., and the specific working principle of the detector will not be described in detail because it is a mature device.
As shown in fig. 1-8, a lower rack 14 is disposed at the inner wall of the housing 1, when the base 7 moves to the lower half of the chain 8 along with the chain 8, the driven gear 1901 on the rotating shaft 19 can be meshed with the lower rack 14, so as to drive the rotating shaft 19 to rotate reversely, thereby driving the slider 702 and the support plate 6 to reset, so that the next use is facilitated, and the lower rack 14 can be fixedly connected with the housing 1 through a cross bar.
The guide way is provided on the top surface of the base 7, so that the sliding block 702 slides in the guide way, two ends of the rotating shaft 19 pass through the base 7 and are rotatably connected with the base through bearings, a limit spring is mounted on the inner end surface of the guide way, the limit spring can be sleeved outside the rotating shaft 19, through the structure, when the sliding block 702 is driven to reset by meshing the lower rack 14 with the driven gear 1901, the limit spring can be compressed, so that the sliding block 702 is beneficial to re-meshing with the rotating shaft 19 in the later stage, the rotating shaft 19 and the chain 8 are matched in various matching modes, specifically, the rotating shaft 19 can pass through the chain 8 and be matched with the chain, or a joint is mounted on the chain 8 in advance, so that the rotating shaft 19 is matched with the joint, and because a rigid piece is mounted between the two chains 8, the rigid piece is a mature technical means in the mechanical field, and the matching of the chain 8 and the rotating shaft 19 is not repeated.
The one end rotation cover that pivot 19 passed chain 8 is equipped with connecting block 21, and connecting block 21 bottom surface integrated into one piece has locating strip 2101, and one side that chain 8 is close to casing 1 inner wall is provided with locating plate 22, locating plate 22 passes through the branch 16 and the casing 1 inner wall fixed connection of L type, and locating plate 22 top surface offered with locating strip 2101 sliding fit's constant head tank, the cross section of locating strip 2101 and constant head tank all sets up to the T type, specifically, when chain 8 drove base 7 and rotate the latter half, connecting block 21 of pivot 19 tip can remove to locating plate 22 top, and locating strip 2101 can insert in the constant head tank to this is spacing to pivot 19, avoids pivot 19 to remove in vertical direction.
The top surface of the connecting block 21 is fixedly provided with a pressing rod 29, the end part of the base 7 is fixedly provided with a positioning rod 701, and the pressing rod 29 and the positioning rod 701 are attached to the outer side of the chain 8, so that the base 7 and the connecting block 21 are limited, and the base 7 and the connecting block 21 are prevented from rotating relative to the chain 8.
The upper rack 17 is fixedly connected with the positioning plate 22 through a fixed rod, and in actual use, the support bars 30 can be arranged at the upper part and the lower part of the chain 8, the support bars 30 are positioned at the bottom of the chain 8, so that the chain 8 is supported, the chain 8 stably runs, in particular, the support bars 30 positioned above are fixedly connected with the positioning plate 22, and the support bars 30 positioned below can be fixedly connected with the shell 1 through L-shaped reinforcing rods.
A T-shaped connector 1801 is fixedly arranged at the end of the magnetic plate 18, one end of the traction rope 4 is fixedly connected with the connector 1801, and the other end of the traction rope 4 is fixedly connected with the outer peripheral wall of the reel 15.
The outer wall of the rotating shaft 19 is provided with a groove in sliding fit with the clamping block 1902, a first spring is fixedly arranged between the inner end face of the groove and the clamping block 1902, the end part of the rotating shaft 19 is provided with a round hole in sliding fit with the pulling plate 24, and a spring is fixedly arranged between the inner end face of the round hole and the pulling plate 24.
Positioning holes are formed in the top surface of the supporting plate 6 and located at two ends, and positioning columns 2701 matched with the positioning holes are fixedly arranged on the bottom surface of the bedplate 27, so that workers can conveniently insert the bedplate 27 onto the supporting plate 6.
The top surface of the pressing strip 12 is fixedly provided with vertical rods 1202 at the positions of two ends, the bottom surface of the transverse plate 13 is provided with notches which are in sliding fit with the vertical rods 1202, the cross sections of the vertical rods 1202 and the notches are all T-shaped, the outer sides of the vertical rods 1202 are sleeved with second springs, and the second springs are positioned between the pressing strip 12 and the transverse plate 13, so that elastic fit between the pressing strip 12 and the transverse plate 13 is realized.
The bottom surface of the magnetic plate 18 is provided with a mounting groove in sliding fit with the protruding block 26, and a return spring is fixedly arranged between the inner end surface of the mounting groove and the protruding block 26.
Claims (10)
1. The gamma radiation detection device comprises two groups of chains which are oppositely arranged, a plurality of bases are connected between the two groups of chains, the bases are in two groups, one side of each base, which is far away from the chain, is provided with a supporting plate, the outer side of each chain is provided with a shell, and the top wall of the inner part of each shell is lifted with a detection unit for detecting radiation;
A transverse plate is arranged at the side wall of the inner cavity of the shell and is in running fit with the shell, an adsorption unit matched with the clamping assembly is arranged on the transverse plate, one end of the shell is hinged with a baffle, when the bedplate carrying materials is sent into the shell along with the rotation of the chain, the material at the top of the bedplate can be contacted with the baffle and drive the baffle to deflect, and the position of the adsorption unit can be adjusted in the deflection process of the baffle, so that the meshing time of the driven gear and the upper rack is controlled.
2. The gamma radiation detecting device according to claim 1, wherein a spring seat is fixedly arranged on the inner wall of the housing, and a tension spring is fixedly arranged between the spring seat and the transverse plate.
3. The gamma radiation detection device of claim 2, wherein the clamping assembly comprises a clamping block which is arranged on the peripheral wall of the outer side of the rotating shaft and is elastically matched with the rotating shaft, a clamping groove matched with the clamping block is formed in the inner wall of the driven gear, a pull plate is slidably arranged at one end, close to the driven gear, of the rotating shaft, a pull rope is fixedly arranged between the pull plate and the clamping block, and a magnetic block is fixedly embedded into the end face of one end, far away from the pull rope, of the pull plate.
4. The gamma radiation detecting device according to claim 3, wherein the adsorbing unit is a magnetic plate, the cross plate is integrally arranged in a shape like a Chinese character 'hui', the magnetic plate is slidably arranged in the cross plate, openings are formed in the inner side surfaces of the cross plate at the positions of two ends, and the surfaces of the magnetic plate opposite to the magnetic blocks are provided with different magnetic poles.
5. The gamma radiation detecting device according to claim 4, wherein a transverse shaft is fixedly arranged at the top end of the baffle plate and is in running fit with the shell, a main gear is fixedly sleeved on the outer side of the transverse shaft, a pinion is meshed with the outer side of the main gear, a reel is connected to one side, close to the shell, of the pinion, and a traction rope is connected between the magnetic plate and the reel.
6. The gamma radiation detecting device according to claim 5, wherein the top wall and the bottom wall of the inner side of the transverse plate are provided with strip-shaped grooves in sliding fit with the magnetic plate, the magnetic plate slides in the strip-shaped grooves, the bottom surface of the inner part of the strip-shaped groove positioned below is provided with insertion holes, the bottom surface of the magnetic plate is elastically connected with protruding blocks matched with the insertion holes, and the protruding blocks are far away from one end of the magnetic plate and are positioned at the edges to be conical surfaces.
7. The gamma radiation detecting device according to claim 6, wherein a pressing bar is elastically connected to the lower portion of the transverse plate, a plurality of ejector rods matched with the jacks are fixedly arranged on one side face of the pressing bar, close to the transverse plate, of the ejector rods, the cross sections of the ejector rods and the jacks are T-shaped, protrusions are fixedly arranged on the inner wall of the shell, the protrusions are arranged at the two end positions below the pressing bar, a boss is arranged on the inner side of the magnetic plate, the boss is fixedly connected to the inner bottom face of the transverse plate, and two ends of the boss are inclined planes.
8. The gamma radiation detecting device of claim 1, wherein the chain is provided with sprockets at both ends.
9. The gamma radiation detecting device according to claim 1, wherein two external threads with opposite rotation directions are provided on the outer circumferential surface of the rotating shaft.
10. A method for detecting by using the gamma radiation detecting device according to any one of claims 1 to 9, comprising the steps of driving the base to move by the chain, enabling the material to contact with the baffle plate and drive the baffle plate to deflect when the base enters the housing, and adjusting the position of the adsorption unit by the deflection degree of the baffle plate so as to control the engagement time of the driven gear and the upper rack, and further controlling the rising height of the support plate, so that the distance between the raw material on the support plate and the detecting unit is kept constant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510278608.9A CN119805539B (en) | 2025-03-10 | 2025-03-10 | Gamma radiation detection device and detection method |
Applications Claiming Priority (1)
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| CN119805539B (en) | 2025-05-09 |
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