CN117571244A - Device and method for testing drop stress of radioactive container - Google Patents

Abstract

The invention provides a device and a method for testing drop stress of a radioactive container, relates to the technical field of drop test, and aims to solve the technical problem that labor is wasted due to the fact that when existing drop equipment is used, drop posture adjustment of a test sample is performed manually. The device comprises a shell, a supporting table, a height position adjusting structure, a horizontal position adjusting structure, a rotating structure and a clamp assembly for clamping the radioactive container. The invention fixes the container to be measured (radioactive container) on the fixture assembly; the clamp assembly and the container are driven to rotate through the rotating structure so as to adjust the posture of the container; then lifting the container to a specified height through a height position adjusting structure; moving the container to the upper part of the contact surface base through the horizontal position adjusting structure; then controlling the clamp assembly to loosen the container; to perform drop stress testing; during testing, strain gauges are directly added to the container to collect data of internal stress changes when the container falls.

Description

Device and method for testing drop stress of radioactive container

Technical Field

The invention relates to the technical field of drop test, in particular to a device and a method for testing drop stress of a radioactive container.

Background

Currently, the most basic test item of the transport package specified by the standards of GB4857.5 vertical impact drop test of transport package, vertical impact drop test of full-packaged transport package of International Standard IS02248 and the like IS drop test before the transport package IS put into use.

According to the current situation of investigation of domestic and foreign falling equipment, most of existing falling equipment adopts a motor control mode to automatically lift a test product to a set falling height, but the falling posture of the test product is adjusted by means of manual operation, so that the problems of manpower waste and the like are solved. Double-arm drop test equipment designed and produced by Hongyin detection instrument Limited company in Dongguan city. The falling height can be set through the operation table, the built-in controller can lift the test article according to the set falling height, the test article is manually adjusted in posture when falling in the edge or angle and then is placed on the double-arm bracket, the test article is fixed by the upper corner fixer, a falling button on the operation table is pressed down, the double-arm bracket is turned downwards to separate from the test article, and the problem of inaccurate falling posture adjustment exists.

The existing drop test equipment is all data collected by a bottom substrate sensor, and aims to indirectly reflect and analyze the drop performance of a drop piece by the instantaneous acceleration of a container, and the existing drop test equipment cannot directly collect actual stress change data when the container falls to a contact surface and cannot intuitively reflect the stress change of a certain part when the container falls.

Disclosure of Invention

The invention aims to provide a device and a method for testing the falling stress of a radioactive container, which aim to solve the technical problems that the existing falling equipment mostly adopts a motor control mode to realize that a sample is automatically lifted to a set falling height, but the falling posture of the sample is adjusted by manual operation, and the manpower is wasted _。 The preferred technical solutions of the technical solutions provided by the present invention can produce a plurality of technical effects described below.

In order to achieve the above purpose, the present invention provides the following technical solutions:

the invention provides a device for testing drop stress of a radioactive container, which comprises a shell, a supporting table, a height position adjusting structure, a horizontal position adjusting structure, a rotating structure and a clamp assembly for clamping the radioactive container, wherein the supporting table is arranged in the shell, and a replaceable contact surface base is arranged at the bottom of the shell; the height position adjusting structure is arranged on the supporting table, the horizontal position adjusting structure is connected with the height position adjusting structure, and the height position adjusting structure can adjust the position of the horizontal position adjusting structure along the height direction; the rotating structure is connected with the horizontal position adjusting structure, and the horizontal position adjusting structure can adjust the position of the rotating structure along the horizontal direction; the clamp assembly is connected with the rotating structure, and the rotating structure can adjust the angle of the clamp assembly.

Further, a supporting wheel or a supporting column is arranged on a supporting bottom plate at the bottom of the shell so as to enable a placing bin to be formed below the supporting bottom plate, and the contact surface base is arranged in the placing bin; the support base plate is provided with a hole, the support table supports the support base plate, and the position of the clamp assembly can be adjusted to be right above the hole.

Further, the supporting table is supported in the shell through a linear driving mechanism, and the linear driving mechanism is an air cylinder or a hydraulic cylinder; the number of the linear driving mechanisms is more than two; the shell comprises a rigid shell and a baffle, wherein the rigid shell is of a cylinder structure with an opening at the top end, a door body is arranged on the rigid shell, the baffle comprises a circumferential cylinder baffle and a top baffle, one end of the circumferential cylinder baffle is connected with the top of the rigid shell, and the other end of the circumferential cylinder baffle is connected with the top baffle; the circumference barrel-type baffle is collapsible structure, be provided with the bracing piece on the brace table, the height of bracing piece is not less than the height of high position control structure, the bracing piece is used for supporting the top baffle.

Further, the device also comprises a penetrating module, wherein the penetrating module is arranged on the rotating structure; the penetrating module comprises a telescopic mechanism and a clamping head, and the clamping head is connected with the telescopic mechanism; the clamping head is of a clamp structure, and a driving motor is connected to a fastening bolt of the clamping head.

Further, the height position adjusting structure comprises a frame body, a height driving motor and a belt pulley structure; the driving wheel and the driven wheel of the belt pulley structure are arranged at intervals up and down, the driving wheel is connected with the height driving motor, and the height driving motor, the driving wheel and the driven wheel are supported on the frame body; the horizontal position adjusting structure is connected with a belt of the belt pulley structure through an intermediate connecting structure; the middle connecting structure comprises a first connecting plate and a second connecting plate, the first connecting plate is matched with the vertical guide rail of the frame body, the first connecting plate is connected with the horizontal position adjusting structure, and the second connecting plate is detachably connected with the first connecting plate and is clamped between the first connecting plate and the second connecting plate.

Further, the horizontal position adjusting structure comprises a horizontal driving motor, an intermediate transmission mechanism and a screw rod mechanism, wherein the intermediate transmission mechanism is of a conveyor belt structure, the horizontal driving motor is connected with a driving wheel of the intermediate transmission mechanism, a driven wheel of the horizontal driving motor is connected with a screw rod of the screw rod mechanism, and a sliding block of the screw rod mechanism is connected with the rotating structure.

Further, the rotating structure comprises a rotating driving structure, a first rotating supporting frame body, a second rotating supporting frame body, a rotating flange shaft and an angle limiting structure, wherein the first rotating supporting frame body is connected with the horizontal position adjusting structure, the rotating driving structure is arranged in the second rotating supporting frame body, a driving shaft of the rotating driving structure is connected with one end of the rotating flange shaft, the other end of the rotating flange shaft is rotatably supported on the first rotating supporting frame body, and the clamp assembly is connected with the second rotating supporting frame body; the angle limiting structure is arranged on the rotary flange shaft, the angle limiting structure is of a clamp structure, a horizontal screw is connected to the angle limiting structure in a threaded mode, and one end of the horizontal screw is used for being abutted to the first rotary support frame body.

Further, the fixture assembly comprises a fixture frame body, magnetic sucking discs and sucking disc position driving structures, wherein the fixture frame body is connected with the rotating structure, the number of the magnetic sucking discs is two, the magnetic sucking discs are respectively connected with the corresponding sucking disc position driving structures, and the number of the magnetic sucking discs is two, and the sucking disc position driving structures are used for adjusting the distance between the two magnetic sucking discs.

Further, the sucker position driving structure comprises a sucker slider and a linear driving structure, the sucker slider is matched with a sliding rail on the clamp frame body, and the linear driving structure is connected with the sucker slider to drive the sucker slider to move.

The invention provides a method for testing the stress of a radioactive container by adopting the device for testing the drop stress of the radioactive container, which comprises the following steps:

fixing the container to be tested on a clamp assembly of the device;

adjusting the angle of the container, and installing a strain gauge on the container;

lifting the container to a prescribed height;

moving the container to above the contact surface base;

controlling the clamp assembly to loosen the container;

and taking out the strain gauge, connecting the strain gauge, and recording the acquired data.

The preferred technical scheme of the invention at least has the following technical effects:

when the device provided by the invention is used, a container to be detected (a radioactive container) is fixed on the fixture assembly; the clamp assembly and the container are driven to rotate through the rotating structure so as to adjust the posture of the container; then lifting the container to a specified height through a height position adjusting structure; moving the container to the upper part of the contact surface base through the horizontal position adjusting structure; then controlling the clamp assembly to loosen the container; to perform drop stress testing; by adopting the device provided by the invention, the manual adjustment of the posture of the container can be avoided;

during testing, an acquisition element (strain gauge) is directly added on the container, the strain gauge adopts a resistance-changing principle to acquire data of internal stress change when the container falls, and the stress change of a certain part of the container when the container falls can be intuitively reflected; the acquired data and the simulation result are combined and analyzed, mutual verification is realized, and the structure is convenient to design or improve to meet the requirements of various mechanical properties;

the existing bottom substrate sensor is abandoned, and a drawer type contact surface base is added, so that the sensor can be used for simulating various falling environments, and is suitable for the diversity of the falling environment changes;

the through module is added, the cylindrical rod-shaped object is released to downwards impact the container, and the stress change of the container when the container is penetrated can be simulated.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a device for drop stress testing of a radioactive container provided by the present invention;

FIG. 2 is a schematic diagram of a device (not shown) for testing drop stress of a radioactive container according to the present invention;

FIG. 3 is a schematic view of a portion of the structure (rear side) of the apparatus for drop stress testing of a radioactive container provided by the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

FIG. 5 is a schematic view of a portion of the structure (front side) of the apparatus for drop stress testing of a radioactive container provided by the present invention;

FIG. 6 is a partial square view at B in FIG. 5;

FIG. 7 is a schematic view of a portion of the structure of the apparatus for drop stress testing of a radioactive container provided by the present invention (left side);

FIG. 8 is a partial square view at C in FIG. 7;

fig. 9 is a partial square view at D in fig. 7.

1, a shell; 101. a support base plate; 102. a door body; 103. a rigid housing; 104. a baffle; 2. a support table; 201. a support rod; 3. a height position adjustment structure; 301. a frame body; 302. a height driving motor; 303. a driving wheel; 304. driven wheel; 305. a belt; 306. a limiting piece; 4. a horizontal position adjusting structure; 401. a horizontal driving motor; 402. a screw mechanism; 5. a rotating structure; 501. a first rotating support frame body; 502. a second rotating support frame body; 503. rotating the flange shaft; 504. an angle limiting structure; 505. a horizontal screw; 6. a clamp assembly; 601. a clamp frame body; 602. a magnetic chuck; 603. a sucker slider; 7. a contact surface base; 8. a linear driving mechanism; 9. penetrating the module; 901. a clamping head; 902. a driving motor; 10. an intermediate connection structure; 1001. a first connection plate; 1002. and a second connecting plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, based on the examples herein, which are within the scope of the invention as defined by the claims, will be within the scope of the invention as defined by the claims.

The invention provides a device for testing drop stress of a radioactive container, which comprises a shell 1, a supporting table 2, a height position adjusting structure 3, a horizontal position adjusting structure 4, a rotating structure 5 and a clamp assembly 6 for clamping the radioactive container, wherein the supporting table 2 is arranged in the shell 1, and a replaceable contact surface base 7 is arranged at the bottom of the shell 1; the height position adjusting structure 3 is arranged on the supporting table 2, the horizontal position adjusting structure 4 is connected with the height position adjusting structure 3, and the height position adjusting structure 3 can adjust the position of the horizontal position adjusting structure 4 along the height direction; the rotating structure 5 is connected with the horizontal position adjusting structure 4, and the horizontal position adjusting structure 4 can adjust the position of the rotating structure 5 along the horizontal direction; the clamp assembly 6 is connected to a rotating structure 5, and the rotating structure 5 can adjust the angle of the clamp assembly 6.

When the device provided by the invention is used, a container to be detected (a radioactive container) is fixed on the fixture assembly 6; the clamp assembly 6 and the container are driven to rotate through the rotating structure 5 so as to adjust the posture of the container; then the container is lifted to a specified height by the height position adjusting structure 3; moving the container to above the contact surface base 7 by the horizontal position adjusting structure 4; then controlling the clamp assembly 6 to loosen the container; to perform drop stress testing. By adopting the device provided by the invention, the manual adjustment of the posture of the container can be avoided.

The supporting base plate 101 at the bottom of the shell 1 is provided with supporting wheels (or supporting columns) so that a placing bin is formed below the supporting base plate 101, the contact surface base 7 is arranged in the placing bin, the supporting base plate 101 is provided with holes, the supporting table 2 supports the supporting base plate 101, and the position of the clamp assembly 6 can be adjusted to be right above the holes. Referring to fig. 1 and 2, a contact surface base 7 is illustrated. The four corner positions of the supporting base plate 101 are provided with supporting wheels (with brakes), the contact surface base 7 can be inserted from the side where the bin is placed, and the contact surface base 7 is supported on the ground. A limiting plate can be arranged on the supporting bottom plate 101 and can limit the depth of the contact surface base 7 inserted into the placing bin; the supporting base plate 101 is further provided with a guiding structure for guiding the insertion direction of the contact surface base 7, and the guiding structure may be two strip-shaped plates arranged in parallel at intervals, and the distance between the two strip-shaped plates is slightly larger than the width of the contact surface base 7.

The support base plate 101 is provided with holes to allow the container to drop off the interface base 7 when the clamp assembly 6 releases the container.

The drawer type contact surface base is arranged, contact surface bases made of different materials are selected, and the drawer type contact surface base can be used for simulating various falling environments, so that the drawer type contact surface base is suitable for the diversity of the falling environment changes.

Referring to fig. 2, the support table 2 is supported in the housing 1 (supported on the support base plate 101) by a linear driving mechanism 8, the linear driving mechanism 8 being an air cylinder or a hydraulic cylinder; the number of the linear driving mechanisms 8 is two or more, and referring to fig. 2, two linear driving mechanisms 8 are schematically shown, and the two linear driving mechanisms 8 are arranged at intervals in the width direction of the housing 1. The linear driving mechanism 8 is used to adjust the height of the support table 2. In use, a person first enters the housing 1 through the door 102, places the support stand 2 lowest, and the person clamps the container to the clamp assembly 6.

Referring to fig. 1, a housing 1 includes a rigid housing 103 and a baffle 104, the rigid housing 103 is a cylindrical structure with an open top, a door 102 is provided on the rigid housing 103, the baffle 104 includes a circumferential cylindrical baffle and a top baffle, one end of the circumferential cylindrical baffle is connected with the top of the rigid housing 103, and the other end is connected with the top baffle; the circumference barrel-shaped baffle is the beta structure, is provided with bracing piece 201 on the brace table 2, and the height of bracing piece 201 is not less than the height of high position control structure 3, and bracing piece 201 is connected with the top baffle for support the top baffle. By providing the baffle 104, a protective effect can be achieved.

Preferably, referring to fig. 7 and 9, the device further comprises a through module 9, the through module 9 being provided on the rotating structure 5 (provided on the second rotating support frame 502); the penetrating module 9 comprises a telescopic mechanism and a clamping head 901, and the clamping head 901 is connected with the telescopic mechanism; the clamping head 901 is of a clamp structure, and a driving motor 902 is connected to a fastening bolt of the clamping head 901.

Regarding the telescopic mechanism of the penetration module 9, it may be a cylinder or a hydraulic cylinder; with respect to the clamp head 901, referring to fig. 9, a clamp head 901 of a clip construction is illustrated. The two semicircular free ends of the clamping head 901 are provided with fixing pieces, a fastening bolt is in threaded connection with the two fixing pieces, one end of the fastening bolt is provided with a driving motor 902, and the driving motor 902 can drive the fastening bolt to rotate. In use, a cylindrical wand is inserted into the gripping head 901 and then the drive motor 902 is actuated to cause the gripping head 901 to grip the cylindrical wand (of course, the drive motor 902 is actuated in reverse to release the cylindrical wand). The addition of the penetration module 9 releases the cylindrical rod to impact the vessel downwards, simulating the change in stress as the vessel is penetrated.

With respect to the height position adjustment structure 3, referring to fig. 2 to 5, the height position adjustment structure 3 includes a frame 301, a height driving motor 302, and a belt pulley structure; the frame 301 comprises two vertical plates which are arranged in parallel at intervals, a driving wheel 303 and a driven wheel 304 of a belt pulley structure are arranged at intervals up and down, the driving wheel 303 is connected with a height driving motor 302, see fig. 3, which illustrates the height driving motor 302, and the height driving motor 302, the driving wheel 303 and the driven wheel 304 are supported on the frame 301, see fig. 5, which illustrates the driving wheel 303 and the driven wheel 304; the horizontal position adjusting structure 4 is connected with a belt 305 of a belt pulley structure through an intermediate connecting structure 10; referring to fig. 4, the intermediate connection structure 10 includes a first connection plate 1001 and a second connection plate 1002, the first connection plate 1001 is matched with a vertical guide rail of the frame 301 (a slider is provided on the first connection plate 1001, the slider is matched with the vertical guide rail of the frame 301), the first connection plate 1001 is connected with the horizontal position adjustment structure 4, and the second connection plate 1002 is detachably connected with the first connection plate 1001 with the belt 305 interposed therebetween.

When the height driving motor 302 acts, the driving wheel 303 rotates to drive the belt to act, and the horizontal position adjusting structure 4 is fixed on the belt 305 through the intermediate connecting structure 10 to drive the horizontal position adjusting structure 4 to act along the height direction.

With respect to the intermediate connection structure 10, two may be disposed opposite each other, and the frame 301 includes two vertical plates disposed opposite each other at a parallel interval. One of the intermediate connection structures 10 is matched with one vertical plate of the frame 301 through a slider rail, and the other intermediate connection structure 10 is matched with the other vertical plate of the frame 301 through a slider rail. Only one of the intermediate connecting structures 10 is in close fit with the belt 305 so that the belt 305 follows the movement of the belt 305 when the belt 305 moves; the second connection plate 1002 of the other intermediate connection structure 10 does not clamp the belt with the first connection plate 1001.

Referring to fig. 6, two L-shaped limiting members 306 are illustrated, the two limiting members 306 are respectively fixed on two vertical plates of the frame 301, a vertical screw is disposed on each limiting member 306, and when the horizontal position adjusting structure 4 is lifted under the driving of the belt, if the first connecting plate 1001 of the intermediate connecting structure 10 contacts with the vertical screw on the limiting member 306, the horizontal position adjusting structure 4 can be limited to move upwards continuously.

Regarding the horizontal position adjusting structure 4, referring to fig. 7, the horizontal position adjusting structure 4 includes a horizontal driving motor 401, an intermediate transmission mechanism and a screw mechanism 402, wherein the intermediate transmission mechanism is a conveyor belt structure, the horizontal driving motor 401 is connected with a driving wheel of the intermediate transmission mechanism, a driven wheel of the horizontal driving motor 401 is connected with a screw of the screw mechanism 402, and a slider of the screw mechanism 402 is connected with the rotating structure 5. When the horizontal position adjusting structure 4 acts, the conveyor belt structure can drive the screw rod to rotate, so that the sliding block of the screw rod mechanism 402 is driven to move along the axial direction of the screw rod. The rotating structure 5 is connected with the sliding block, so that the rotating structure 5 can be driven to move along the horizontal direction.

Referring to fig. 7 and 8, regarding the rotation structure 5, the rotation structure 5 includes a rotation driving structure, a first rotation supporting frame body 501, a second rotation supporting frame body 502, a rotation flange shaft 503, and an angle limiting structure 504, the first rotation supporting frame body 501 is connected with the horizontal position adjusting structure 4, the rotation driving structure is provided in the second rotation supporting frame body 502, a driving shaft of the rotation driving structure is connected with one end of the rotation flange shaft 503, the other end of the rotation flange shaft 503 is rotatably supported on the first rotation supporting frame body 501, and the clamp assembly 6 is connected with the second rotation supporting frame body 502; the angle limiting structure 504 is arranged on the rotating flange shaft 503, the angle limiting structure 504 is of a clamp structure, the angle limiting structure 504 is connected with a horizontal screw 505 in a threaded manner, and one end of the horizontal screw 505 is used for being abutted to the first rotating support frame 501.

When the angle is adjusted, the horizontal screw 505 is unscrewed firstly, the rotation driving structure can drive the second rotary support frame 502 and the clamp assembly 6 to rotate, after the angle rotates in place, the rotation driving structure stops moving, a person manually screws the horizontal screw 505 to enable the horizontal screw 505 to be abutted on the first rotary support frame 501, the position of the rotary flange shaft 503 is locked, and the rotary flange shaft 503 is prevented from rotating.

With respect to the "clamp assembly 6", see fig. 7, the clamp assembly 6 includes a clamp frame 601, two magnetic chucks 602, and a chuck position driving structure, the clamp frame 601 is connected with the rotating structure 5, the two magnetic chucks 602 are respectively connected with the corresponding chuck position driving structures, and the two chuck position driving structures are used for adjusting the distance between the two magnetic chucks 602. The invention adopts the mechanical clamp to match with the magnetic attraction, and can be suitable for the barrel-type container.

Regarding the suction cup position driving structure, the suction cup position driving structure comprises a suction cup sliding block 603 and a linear driving structure, the suction cup sliding block 603 is matched with a sliding rail on the fixture frame body 601, and the linear driving structure is connected with the suction cup sliding block 603 to drive the suction cup sliding block 603 to move.

Referring to fig. 7, there is illustrated a suction cup slider 603, and the suction cup slider 603 is connected to a corresponding magnetic suction cup 602 through a connection rod. The sucker slider 603 is matched with a sliding rail on the fixture frame body 601, and the linear driving structure of the sucker position driving structure can be a screw mechanism or a driving motor and driving belt structure, and the principle is similar to that of a height position adjusting structure.

A method of stress testing with an apparatus for drop stress testing of a radioactive container, comprising:

fixing the container to be measured on a fixture assembly 6 of the device;

adjusting the angle of the container, and installing a strain gauge on the container;

lifting the container to a prescribed height;

moving the container to above the contact surface base 7;

the clamp assembly 6 is controlled to loosen the container;

and taking out the strain gauge, connecting the strain gauge, and recording the acquired data.

An acquisition element (strain gauge) is added on the container, the strain gauge adopts a resistance-changing principle to acquire data of internal stress change when the container falls, and the stress change of a certain part of the container when the container falls can be intuitively reflected; the acquired data and the simulation result are combined and analyzed, mutual verification is realized, and the structure is convenient to design or improve to meet the requirements of various mechanical properties.

In the description of the present invention, it is to be noted that, unless otherwise indicated, the meaning of "plurality" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", etc., refer to an orientation or positional relationship based on that shown in the drawings, and are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "mounted", "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention can be understood as appropriate by those of ordinary skill in the art.

In the description of the present specification, a description referring to the terms "one embodiment," "some embodiments," "examples," "specific examples," or "one example" etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. A device for testing the drop stress of a radioactive container is characterized by comprising a shell (1), a supporting table (2), a height position adjusting structure (3), a horizontal position adjusting structure (4), a rotating structure (5) and a clamp assembly (6) for clamping the radioactive container,

the supporting table (2) is arranged in the shell (1), and a replaceable contact surface base (7) is arranged at the bottom of the shell (1);

the height position adjusting structure (3) is arranged on the supporting table (2), the horizontal position adjusting structure (4) is connected with the height position adjusting structure (3), and the height position adjusting structure (3) can adjust the position of the horizontal position adjusting structure (4) along the height direction;

the rotating structure (5) is connected with the horizontal position adjusting structure (4), and the horizontal position adjusting structure (4) can adjust the position of the rotating structure (5) along the horizontal direction;

the clamp assembly (6) is connected with the rotating structure (5), and the rotating structure (5) can adjust the angle of the clamp assembly (6).

2. The device for drop stress testing of radioactive containers according to claim 1, characterized in that supporting wheels or supporting columns are arranged on a supporting bottom plate (101) at the bottom of the housing (1) so that a placing bin is formed below the supporting bottom plate (101), and the contact surface base (7) is arranged in the placing bin; the support base plate (101) is provided with a hole, the support table (2) supports the support base plate (101), and the position of the clamp assembly (6) can be adjusted to be right above the hole.

3. The device for radioactive container drop stress testing according to claim 1, characterized in that the support table (2) is supported inside the housing (1) by a linear driving mechanism (8), the linear driving mechanism (8) being a pneumatic or hydraulic cylinder; the number of the linear driving mechanisms (8) is more than two;

the shell (1) comprises a rigid shell (103) and a baffle plate (104), wherein the rigid shell (103) is of a cylinder structure with an opening at the top end, a door body (102) is arranged on the rigid shell (103), the baffle plate (104) comprises a circumferential cylinder baffle plate and a top baffle plate, one end of the circumferential cylinder baffle plate is connected with the top of the rigid shell (103), and the other end of the circumferential cylinder baffle plate is connected with the top baffle plate;

the circumference barrel-shaped baffle is collapsible structure, be provided with bracing piece (201) on brace table (2), the height of bracing piece (201) is not less than the height of high position control structure (3), bracing piece (201) are used for supporting the top baffle.

4. The device for radioactive container drop stress testing according to claim 1, characterized in that it further comprises a through module (9), said through module (9) being provided on said rotating structure (5);

the penetrating module (9) comprises a telescopic mechanism and a clamping head (901), and the clamping head (901) is connected with the telescopic mechanism;

the clamping head (901) is of a clamp structure, and a driving motor (902) is connected to a fastening bolt of the clamping head (901).

5. The apparatus for radioactive container drop stress testing according to claim 1, wherein the height position adjustment structure (3) comprises a frame body (301), a height drive motor (302) and a belt pulley structure; the driving wheel (303) and the driven wheel (304) of the belt pulley structure are arranged at intervals up and down, the driving wheel (303) is connected with the height driving motor (302), and the height driving motor (302), the driving wheel (303) and the driven wheel (304) are supported on the frame body (301);

the horizontal position adjusting structure (4) is connected with a belt (305) of the belt pulley structure through an intermediate connecting structure (10); intermediate junction structure (10) include first connecting plate (1001) and second connecting plate (1002), first connecting plate (1001) with the vertical guide rail cooperation of support body (301), first connecting plate (1001) with horizontal position adjusts structure (4) and is connected, second connecting plate (1002) with first connecting plate (1001) can dismantle and be connected and press from both sides between the two belt (305).

6. The device for drop stress testing of radioactive containers according to claim 1, characterized in that the horizontal position adjusting structure (4) comprises a horizontal driving motor (401), an intermediate transmission mechanism and a screw mechanism (402), wherein the intermediate transmission mechanism is of a conveyor belt structure, the horizontal driving motor (401) is connected with a driving wheel of the intermediate transmission mechanism, a driven wheel of the horizontal driving motor (401) is connected with a screw of the screw mechanism (402), and a sliding block of the screw mechanism (402) is connected with the rotating structure (5).

7. The device for drop stress testing of radioactive containers according to claim 1, characterized in that the rotating structure (5) comprises a rotating driving structure, a first rotating supporting frame body (501), a second rotating supporting frame body (502), a rotating flange shaft (503) and an angle limiting structure (504), the first rotating supporting frame body (501) is connected with the horizontal position adjusting structure (4), the rotating driving structure is arranged in the second rotating supporting frame body (502), a driving shaft of the rotating driving structure is connected with one end of the rotating flange shaft (503), the other end of the rotating flange shaft (503) is rotatably supported on the first rotating supporting frame body (501), and the clamp assembly (6) is connected with the second rotating supporting frame body (502);

the angle limiting structure (504) is arranged on the rotary flange shaft (503), the angle limiting structure (504) is of a clamp structure, a horizontal screw rod (505) is connected to the angle limiting structure (504) in a threaded mode, and one end of the horizontal screw rod (505) is used for being abutted to the first rotary support frame body (501).

8. The device for drop stress testing of a radioactive container according to claim 1, wherein the clamp assembly (6) comprises a clamp frame (601), two magnetic chucks (602) and chuck position driving structures, the clamp frame (601) is connected with the rotating structure (5), the two magnetic chucks (602) are respectively connected with the corresponding chuck position driving structures, and the two chuck position driving structures are used for adjusting the interval between the two magnetic chucks (602).

9. The device for drop stress testing of a radioactive container according to claim 8, wherein the suction cup position driving structure comprises a suction cup slide block (603) and a linear driving structure, the suction cup slide block (603) is matched with a sliding rail on the fixture frame body (601), and the linear driving structure is connected with the suction cup slide block (603) to drive the suction cup slide block (603) to move.

10. A method of stress testing using the apparatus for drop stress testing of a radioactive container of any one of claims 1-9, comprising the steps of:

fixing the container to be measured on a clamp assembly (6) of the device;

adjusting the angle of the container, and installing a strain gauge on the container;

lifting the container to a prescribed height;

moving the container to above the contact surface base (7);

controlling the clamp assembly (6) to loosen the container;

and taking out the strain gauge, connecting the strain gauge, and recording the acquired data.