Pressure shear test equipment for rivet detection

The design of the limiting device and the supporting device solves the problem that the existing equipment cannot quickly adapt to rivets of different sizes, and achieves high efficiency and stability of rivet testing.

CN223449710UActive Publication Date: 2025-10-17JIANGSU AWD FASTENER
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Patent Information

Application Number
CN202422682665.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-05
Publication Date
2025-10-17
Estimated Expiration
2034-11-05

AI Technical Summary

Technical Problem

Existing pressure shear testing equipment for rivet inspection can only fix rivets of the same size, resulting in the need to frequently replace the holder when testing rivets of different sizes, affecting test efficiency.

Method used

A limiting device was designed, including an arc groove, a circular through hole, a polygonal hole and a gear shaft. The gear shaft drives the circular plate to rotate to achieve rapid positioning of rivets of various sizes. The anti-slip strip and pointer correction groove are combined to improve positioning accuracy. The support device is used to adjust the height of the body to enhance stability.

Benefits of technology

It realizes the rapid positioning and fixation of rivets of various sizes, reduces the time of changing the card holder, and improves the test efficiency and stability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides pressure shearing test equipment for rivet detection, which relates to the technical field of test equipment, and comprises a machine body, a transmission rail is arranged on one side of the machine body, a connecting rod is arranged on one side of the transmission rail, a cutter is arranged on one side of the connecting rod, a controller is arranged on one side of the machine body, and the controller is connected with the transmission rail. A clamping seat is arranged on one side of the machine body, a limiting device capable of conducting auxiliary fixing on various rivets with different sizes is arranged on one side of the clamping seat, and a supporting device capable of adjusting the placing height of the machine body is arranged on one side of the machine body. The situation that time and labor are consumed in the rivet fixing process due to the fact that clamping bases matched with the rivets need to be replaced when the rivets of different sizes are subjected to shearing tests is reduced, and the fixing flexibility and the testing efficiency of the rivets of different sizes are improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to test equipment technical field especially relates to a rivet detects pressure shearing test equipment. BACKGROUND

[0002] Rivets are important connecting workpieces in the connection assembly of solar panels and supports, and various performance tests are often required in the production process of rivets, among which the shearing pressure data of the rivets determines the load-bearing strength of the rivets.

[0003] The existing rivet detection pressure shearing test equipment adopts the method of placing the rivet on the clamping seat, then driving the cutter to move up and down by the transmission rail and shearing the rivet placed on the clamping seat, testing the shearing pressure value of the rivet when it is deformed and broken, and then the shearing pressure data of the rivet is displayed on the display.

[0004] However, due to the single structure of the existing clamping seat, only the same size rivet can be fixed, which may cause the need to replace the matching clamping seat when testing different size rivets, resulting in the need to repeatedly replace the clamping seat and being time-consuming and laborious, affecting the test efficiency of the rivet. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the shortcomings in the prior art and provides a rivet detection pressure shearing test equipment.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme: a rivet detection pressure shearing test equipment, comprising a machine body, a transmission rail is arranged on one side of the machine body, a connecting rod is arranged on one side of the transmission rail, a cutter is arranged on one side of the connecting rod, a controller is arranged on one side of the machine body, a clamping seat is arranged on one side of the machine body, a limiting device capable of assisting in fixing a plurality of different size rivets is arranged on one side of the clamping seat, and a supporting device capable of adjusting the placing height of the machine body is arranged on one side of the machine body.

[0007] The above components achieve the following effects: first, the rivet is fixed on the clamping seat by the limiting device, at this time the drive mechanism in the transmission rail is started by the controller, so that the transmission rail drives the connecting rod and the cutter to move up and down, so that the cutter moves to the surface of the rivet and shears it, then the shearing pressure value of the rivet when it is deformed and broken is tested, and then the shearing pressure data of the rivet is displayed on the controller.

[0008] Preferably, the limiting device comprises two arc-shaped grooves symmetrically arranged on one side of the clamping seat, a round through hole is arranged on the side of the clamping seat close to the two arc-shaped grooves, a polygonal hole is arranged on the side of the clamping seat close to one of the arc-shaped grooves, the inner wall of the clamping seat is fixedly connected with a cylinder, the inner walls of the two round through holes are rotatably connected with first gear shafts, the inner wall of the cylinder is rotatably connected with a second gear shaft, the surfaces of the two first gear shafts are respectively engaged with the two ends of the second gear shaft, the sides of the two first gear shafts are fixedly connected with circular plates, the two circular plates are respectively arranged inside the two arc-shaped grooves, the surfaces of the two circular plates are respectively provided with a plurality of clamping grooves of different sizes, the surface of the circular plate close to the polygonal hole is provided with a polygonal groove, and the inner wall of the polygonal groove is slidably connected with a bolt.

[0009] The above-mentioned components achieve the effects that: by arranging the limiting device, first, manually rotate the circular plate close to the polygonal hole to make the circular plate rotate along the arc-shaped groove, make the circular plate drive the first gear shaft to rotate along the round through hole, make the first gear shaft drive the second gear shaft to rotate along the cylinder, make the second gear shaft drive the other first gear shaft to rotate, make the other first gear shaft drive the corresponding circular plate to rotate, make the two circular plates synchronously rotate along the two arc-shaped grooves, when the two circular plates rotate to the specified positions, make any clamping groove with the size suitable for rivets completely separate from the arc-shaped groove, make the inner wall of the polygonal hole coincide with the inner wall of the polygonal groove, at this time, manually move the bolt to make the bolt move to the inside of the polygonal hole and the polygonal groove to fix the positions of the two circular plates, complete the rapid alternation of the positions of the clamping grooves on the two circular plates, at this time, manually place the rivets with the size suitable for the clamping grooves in the clamping grooves on the two circular plates to assist in positioning, achieve the rapid positioning of rivets with different sizes, reduce the need to replace the clamping seats suitable for rivets with different sizes when the rivets are subjected to shear tests, avoid the situation that the process of fixing the rivets is time-consuming and laborious, and improve the fixing flexibility and test efficiency of rivets with different sizes.

[0010] Preferably, the inner walls of the clamping grooves are fixedly connected with a plurality of anti-skid strips, and the plurality of anti-skid strips are arranged at equal distances.

[0011] The above-mentioned components achieve the effects that: by arranging the anti-skid strips, the anti-skid strips can increase the friction between the inner wall of the clamping groove and the surface of the rivet, and reduce the situation that the rivet slides after being placed in the clamping groove.

[0012] Preferably, the sides of the clamping seat close to the two arc-shaped grooves are fixedly connected with rectangular rings, the two circular plates are respectively located inside the two rectangular rings, the sides of the two rectangular rings are provided with alignment grooves, the sides of the two circular plates close to the alignment grooves are fixedly connected with a plurality of pointers, and the plurality of pointers respectively correspond to the positions of the plurality of clamping grooves.

[0013] The effect achieved by the above components is that when the personnel rotates the circular plate to alternately use the plurality of card slots, the corresponding pointer can be rotated to the position coinciding with the correction slot for position correction, thereby facilitating the personnel to quickly adjust the positions of the plurality of card slots.

[0014] Preferably, one end of the plug pin is fixedly connected with a round hole rod, a circular groove is formed on one side of the card seat close to the polygonal hole, a spring is arranged in the circular groove, one end of the spring is fixedly connected with the inner wall of the circular groove, and the other end of the spring is fixedly connected with the round hole rod.

[0015] The effect achieved by the above components is that the spring can pull the round hole rod and the plug pin to move towards the card seat under the reaction force of the spring, so as to reduce the sliding and disengagement of the plug pin from the polygonal slot during use.

[0016] Preferably, the inner wall of the circular groove is fixedly connected with a positioning rod, the positioning rod is located in the spring, and the surface of the positioning rod is slidingly connected with the inner wall of the round hole rod.

[0017] The effect achieved by the above components is that the positioning rod can be located in the spring to assist in supporting the spring, so as to reduce the large bending and deformation of the spring during use and affect the normal use of the spring.

[0018] Preferably, one side of the round hole rod is fixedly connected with a handle, and the inner side of the handle is provided with a plurality of anti-skid protrusions.

[0019] The effect achieved by the above components is that the handle can provide a force point for the personnel, so that the personnel can manually move the handle to drive the plug pin to move conveniently, thereby improving the convenience and stability of the manual plug pin pulling and inserting movement of the personnel.

[0020] Preferably, the supporting device comprises a concave plate, the concave plate is fixedly connected with the machine body, a screw rod is arranged in the concave plate, one end of the screw rod is rotatably connected with a bottom plate, the surface of the screw rod is threadedly connected with a screw hole ring, the screw hole ring is located in the concave plate, the end of the screw rod away from the bottom plate is fixedly connected with a baffle, and the surface of the baffle is larger than the inner wall of the concave plate.

[0021] The effects achieved by the above components are that: by arranging the supporting device, first, the machine body is placed on the ground or a table, the bottom plate, screw rod, screw hole ring and concave plate are matched to support the bottom of the machine body, the bottom plate is attached to the ground or the table, at this time, the screw hole ring is manually rotated, the screw hole ring is rotated along the inside of the concave plate, under the blocking and limiting effect of the ground or the table on the bottom plate, the screw hole ring is moved up and down along the surface of the screw rod, the screw hole ring drives the concave plate to move up and down along the surface of the screw rod, the concave plate drives the machine body to move up and down, and then the height adjustment of the machine body is completed, the situation that the machine body shakes during use due to different heights when the machine body is placed on the ground or the table is avoided, and the placing stability of the machine body and the convenience of height adjustment are improved.

[0022] Compared with the prior art, the advantages and positive effects of the utility model are that:

[0023] In the utility model, the limiting device can quickly position various different sizes of rivets, the situation that the fixed rivet process is time-consuming and laborious due to the need to replace the adapter during the shearing test of various different sizes of rivets is avoided, and the fixing flexibility and test efficiency of different sizes of rivets are improved. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0025] Figure 2 It is a three-dimensional structure schematic view of the utility model Figure 1 ;

[0026] Figure 3 It is a three-dimensional structure schematic view of the utility model ;

[0027] Figure 4 It is a three-dimensional structure schematic view of the utility model ;

[0028] Figure 5 It is a three-dimensional structure schematic view of the utility model ;

[0029] Legend: 1, machine body; 2, transmission rail; 3, connecting rod; 4, cutter; 5, controller; 6, adapter; 7, limiting device; 71, arc-shaped groove; 72, round through hole; 73, polygonal hole; 74, cylinder; 75, circular groove; 76, positioning rod; 77, rectangular ring; 78, alignment groove; 79, circular plate; 710, clamping groove; 711, polygonal groove; 712, bolt; 713, first gear shaft; 714, second gear shaft; 715, anti-skid strip; 716, round hole rod; 717, spring; 718, handle; 719, pointer; 8, supporting device; 81, concave plate; 82, screw rod; 83, bottom plate; 84, screw hole ring; 85, baffle. DETAILED DESCRIPTION

[0030] Referring to Figures 1-5 The embodiment shown discloses a rivet detection pressure shear test equipment, including body 1, one side of body 1 is provided with transmission rail 2, one side of transmission rail 2 is provided with connecting rod 3, one side of connecting rod 3 is provided with cutter 4, one side of body 1 is provided with controller 5, one side of body 1 is provided with clamping seat 6, one side of clamping seat 6 is provided with limiting device 7 that can assist in fixing a variety of different size rivets, one side of body 1 is provided with supporting device 8 that can adjust the height of body 1, first, rivets are fixed on clamping seat 6 by limiting device 7, at this time, the driving mechanism inside transmission rail 2 is started by controller 5, so that transmission rail 2 drives connecting rod 3 and cutter 4 to move up and down, so that cutter 4 moves to the surface of rivet and carries out pressure shear, then the shear pressure value that rivet is subjected to when deformation and fracture occur is tested, and then the shear pressure data that rivet is subjected to is displayed on controller 5.

[0031] Referring to Figure 2 , Figure 3 and Figure 4As shown, the embodiment discloses a limiting device 7 including two arc-shaped grooves 71 symmetrically opened on one side of the clamping seat 6, a round through hole 72 is opened on the side of the clamping seat 6 close to the two arc-shaped grooves 71, a polygonal hole 73 is opened on the side of the clamping seat 6 close to one of the arc-shaped grooves 71, a cylinder 74 is fixedly connected to the inner wall of the clamping seat 6, a first gear shaft 713 is rotatably connected to the inner wall of each of the two round through holes 72, a second gear shaft 714 is rotatably connected to the inner wall of the cylinder 74, the surfaces of the two first gear shafts 713 are respectively engaged with the two ends of the second gear shaft 714, a circular plate 79 is fixedly connected to one side of each of the two first gear shafts 713, the two circular plates 79 are respectively arranged inside the two arc-shaped grooves 71, a plurality of clamping grooves 710 of different sizes are opened on the surfaces of the two circular plates 79, a polygonal groove 711 is opened on the surface of the circular plate 79 close to the polygonal hole 73, a bolt 712 is slidingly inserted into the inner wall of the polygonal groove 711, the surface size and shape of the bolt 712 are adapted to the inner wall size and shape of the polygonal hole 73. By setting the limiting device 7, first, manually rotate the circular plate 79 close to the polygonal hole 73, so that the circular plate 79 rotates along the arc-shaped groove 71, so that the circular plate 79 drives the first gear shaft 713 to rotate along the round through hole 72, so that the first gear shaft 713 drives the second gear shaft 714 to rotate along the cylinder 74, so that the second gear shaft 714 drives the other first gear shaft 713 to rotate, so that the other first gear shaft 713 drives the corresponding circular plate 79 to rotate, so that the two circular plates 79 rotate synchronously along the two arc-shaped grooves 71, when the two circular plates 79 rotate to the specified position, any clamping groove 710 adapted to the rivet size is completely separated from the arc-shaped groove 71, so that the inner wall of the polygonal hole 73 coincides with the inner wall of the polygonal groove 711, at this time, manually move the bolt 712 to make the bolt 712 move into the interior of the polygonal hole 73 and the polygonal groove 711 to fix the position of the two circular plates 79, complete the rapid alternation of the positions of the plurality of clamping grooves 710 on the two circular plates 79, at this time, manually place the rivet adapted to the size of the clamping groove 710 into the clamping groove 710 on the two circular plates 79 to assist in positioning, achieve rapid positioning of rivets of various sizes, reduce the need to replace the clamping seat 6 adapted to the rivets of various sizes when shearing tests are performed on the rivets of various sizes, avoid the situation that the process of fixing the rivets is time-consuming and laborious, and improve the fixing flexibility and test efficiency of rivets of different sizes.

[0032] Referring to Figure 2 , Figure 3 and Figure 4As shown in FIG. 1, the embodiment disclosed a plurality of inner walls of the card slot 710 are fixedly connected with a plurality of anti-skid strips 715, the plurality of anti-skid strips 715 are equidistantly arranged, by arranging the anti-skid strips 715, the anti-skid strips 715 can increase the friction between the inner wall of the card slot 710 and the surface of the rivet, reduce the sliding of the rivet after being placed in the card slot 710, the side of the card seat 6 close to the two arc-shaped grooves 71 is fixedly connected with a rectangular ring 77, two circular plates 79 are located inside the two rectangular rings 77, one side of the two rectangular rings 77 is provided with a correction groove 78, the side of the two circular plates 79 close to the correction groove 78 is fixedly connected with a plurality of pointers 719, the plurality of pointers 719 correspond to the positions of the plurality of card slots 710 respectively, by arranging the pointers 719 and the correction groove 78, when the person rotates the circular plate 79 to alternately use the plurality of card slots 710, the corresponding pointer 719 can be rotated to the position coinciding with the correction groove 78 for position correction, which facilitates the person to quickly adjust the position of the plurality of card slots 710.

[0033] Referring to Figure 2 , Figure 3 and Figure 4 As shown in FIG. 1, the embodiment disclosed a plurality of inner walls of the card slot 710 are fixedly connected with a plurality of anti-skid strips 715, the plurality of anti-skid strips 715 are equidistantly arranged, by arranging the anti-skid strips 715, the anti-skid strips 715 can increase the friction between the inner wall of the card slot 710 and the surface of the rivet, reduce the sliding of the rivet after being placed in the card slot 710, the side of the card seat 6 close to the two arc-shaped grooves 71 is fixedly connected with a rectangular ring 77, two circular plates 79 are located inside the two rectangular rings 77, one side of the two rectangular rings 77 is provided with a correction groove 78, the side of the two circular plates 79 close to the correction groove 78 is fixedly connected with a plurality of pointers 719, the plurality of pointers 719 correspond to the positions of the plurality of card slots 710 respectively, by arranging the pointers 719 and the correction groove 78, when the person rotates the circular plate 79 to alternately use the plurality of card slots 710, the corresponding pointer 719 can be rotated to the position coinciding with the correction groove 78 for position correction, which facilitates the person to quickly adjust the position of the plurality of card slots 710.

[0034] Referring to Figure 5As shown, the embodiment discloses a support device 8, which is fixedly connected with the body 1, and the inside of the concave plate 81 is provided with a screw rod 82, one end of the screw rod 82 is rotatably connected with a bottom plate 83, the surface of the screw rod 82 is threadedly connected with a screw hole ring 84, the screw hole ring 84 is located in the inside of the concave plate 81, and the end, away from the bottom plate 83, of the screw rod 82 is fixedly connected with a baffle 85; the surface of the baffle 85 is larger than the inner wall of the concave plate 81. By arranging the support device 8, first, the body 1 is placed on the ground or a table top, so that the bottom plate 83, the screw rod 82, the screw hole ring 84 and the concave plate 81 cooperate with each other to support the bottom of the body 1, and the bottom plate 83 is attached to the ground or the table top; at this time, the screw hole ring 84 is manually rotated to rotate the screw hole ring 84 along the inside of the concave plate 81; under the blocking and limiting effect of the ground or the table top on the bottom plate 83, the screw hole ring 84 moves up and down along the surface of the screw rod 82, the screw hole ring 84 drives the concave plate 81 to move up and down along the surface of the screw rod 82, and the concave plate 81 drives the body 1 to move up and down, thereby adjusting the height at which the body 1 is placed, reducing the situation that the height of the body 1 placed on the ground or the table top is not the same, causing the body 1 to shake during use and affecting rivet testing, and improving the placing stability of the body 1 and the convenience of height adjustment.

[0035] Working principle: first, manually rotate the circular plate 79 close to the polygonal hole 73 to rotate the circular plate 79 along the inside of the arc-shaped groove 71, drive the first gear shaft 713 to rotate along the inside of the circular through hole 72, drive the second gear shaft 714 to rotate along the inside of the cylinder 74, drive another first gear shaft 713 to rotate, drive the corresponding circular plate 79 to rotate, and drive the two circular plates 79 to rotate synchronously along the inside of the two arc-shaped grooves 71; when the two circular plates 79 rotate to any pointer 719 coincides with the correction groove 78, any clamping groove 710 that matches the size of the rivet reaches the specified use position, and the inner wall of the polygonal hole 73 coincides with the inner wall of the polygonal groove 711; at this time, under the action of the spring 717, the spring 717 drives the circular hole rod 716 and the latch 712 to move towards the circular plate 79, the latch 712 moves into the inside of the polygonal hole 73 and the polygonal groove 711 to fix the positions of the two circular plates 79, and the positions of the multiple clamping grooves 710 on the two circular plates 79 are quickly changed; at this time, manually place the rivet in the corresponding clamping groove 710 on the two circular plates 79 to assist in positioning; then, start the driving mechanism in the transmission rail 2 through the controller 5 to drive the transmission rail 2, the connecting rod 3 and the cutter 4 to move up and down, drive the cutter 4 to move to the surface of the rivet and cut the rivet, test the shear stress value of the rivet when the rivet is deformed and broken, and then display the shear stress data of the rivet on the controller 5 to quickly test the shear stress value of the rivet.

[0036] Firstly, the body 1 is placed on the ground or table top, so that the bottom plate 83, screw rod 82, screw hole ring 84 and concave plate 81 cooperate to support the bottom of the body 1, so that the bottom plate 83 is attached to the ground or table top, at this time, manually rotating the screw hole ring 84, so that the screw hole ring 84 rotates along the inside of the concave plate 81, under the blocking and limiting effect of the ground or table top on the bottom plate 83, the screw hole ring 84 moves up and down along the surface of the screw rod 82, so that the screw hole ring 84 drives the concave plate 81 to move up and down along the surface of the screw rod 82, so that the concave plate 81 drives the body 1 to move up and down, thereby completing the adjustment of the placement height of the body 1.

[0037] The above is only a preferred embodiment of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification of the above embodiments made in accordance with the technical essence of the present application, without departing from the technical scheme of the present application, still falls within the protection scope of the present application. In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connection" and "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

Claims

1. A pressure shear testing device for rivet detection, comprising a body (1), characterized in that: A transmission rail (2) is provided on one side of the machine body (1), a connecting rod (3) is provided on one side of the transmission rail (2), a cutter (4) is provided on one side of the connecting rod (3), a controller (5) is provided on one side of the machine body (1), a holder (6) is provided on one side of the machine body (1), a limiting device (7) that can assist in fixing rivets of various sizes is provided on one side of the holder (6), and a supporting device (8) that can adjust the placement height of the machine body (1) is provided on one side of the machine body (1).

2. A pressure shear testing device for rivet detection according to claim 1, characterized in that: The limiting device (7) comprises two arc grooves (71) symmetrically opened on one side of the card seat (6); a circular through hole (72) is opened on one side of the card seat (6) close to the two arc grooves (71); a polygonal hole (73) is opened on one side of the card seat (6) close to one of the arc grooves (71); the inner wall of the card seat (6) is fixedly connected to a cylinder (74); the inner walls of the two circular through holes (72) are rotatably connected to a first gear shaft (713); the inner wall of the cylinder (74) is rotatably connected to a second gear shaft (714); the surfaces of the two first gear shafts (713) are respectively connected to the second gear shaft (714); The two ends of the wheel shaft (714) are meshed with each other, and one side of each of the two first gear shafts (713) is fixedly connected with a circular plate (79), and the two circular plates (79) are respectively arranged inside the two arc-shaped grooves (71). The surfaces of the two circular plates (79) are provided with a plurality of slots (710) of different sizes, and the surface of the circular plate (79) close to the polygonal hole (73) is provided with a polygonal groove (711). The inner wall of the polygonal groove (711) is slidably connected with a latch (712), and the surface size and shape of the latch (712) are adapted to the size and shape of the inner wall of the polygonal hole (73).

3. The pressure shear testing device for rivet detection according to claim 2, characterized in that: The inner walls of the plurality of slots (710) are all fixedly connected with a plurality of anti-slip strips (715), and the plurality of anti-slip strips (715) are arranged at equal distances.

4. The pressure shear testing device for rivet detection according to claim 2, characterized in that: A rectangular ring (77) is fixedly connected to one side of the card seat (6) close to the two arc-shaped grooves (71), and the two circular plates (79) are respectively located inside the two rectangular rings (77). A calibration groove (78) is opened on one side of the two rectangular rings (77). A plurality of pointers (719) are fixedly connected to one side of the two circular plates (79) close to the calibration groove (78), and the plurality of pointers (719) respectively correspond to the positions of the plurality of card slots (710).

5. The pressure shear testing device for rivet detection according to claim 2, characterized in that: One end of the latch (712) is fixedly connected to a round hole rod (716); a round groove (75) is provided on one side of the holder (6) close to the polygonal hole (73); a spring (717) is provided inside the round groove (75); one end of the spring (717) is fixedly connected to the inner wall of the round groove (75); and the other end of the spring (717) is fixedly connected to the round hole rod (716).

6. The pressure shear testing device for rivet detection according to claim 5, characterized in that: The inner wall of the circular groove (75) is fixedly connected with a positioning rod (76), and the positioning rod (76) is located inside the spring (717). The surface of the positioning rod (76) is slidably connected to the inner wall of the circular hole rod (716).

7. The pressure shear testing device for rivet detection according to claim 5, characterized in that: A handle (718) is fixedly connected to one side of the round hole rod (716), and a plurality of anti-slip protrusions are provided on the inner side of the handle (718).

8. The pressure shear testing device for rivet detection according to claim 1, characterized in that: The supporting device (8) comprises a concave plate (81), the concave plate (81) being fixedly connected to the machine body (1), a screw rod (82) being provided inside the concave plate (81), one end of the screw rod (82) being rotatably connected to the bottom plate (83), a screw hole ring (84) being threadedly connected to the surface of the screw rod (82), the screw hole ring (84) being located inside the concave plate (81), and a baffle (85) being fixedly connected to the end of the screw rod (82) away from the bottom plate (83), the surface of the baffle (85) being larger than the inner wall of the concave plate (81).