A reliability testing device for automobile door lock parts

Abstract

The present invention relates to the field of detection technology, and discloses a reliability detection device for automobile door lock parts, including a base plate, and also including: a placement slot plate, the placement slot plate is horizontally arranged above the base plate; a clamping and rotating assembly, the clamping and rotating assembly is used to clamp and rotate the automobile door lock parts to be detected; a detection limit assembly, the detection limit assembly is used to detect the outer diameter of the automobile door lock parts; a marking assembly, the marking assembly is used to mark the automobile door lock parts with changed outer diameters. In the present invention, due to the limitation of the telescopic end of the first spring rod by the lock pin, the first spring rod is always in an elastic state in a non-working state, which is convenient for detecting the outer diameter of the automobile door lock parts, and can automatically move the marker pen to mark the unqualified parts of the unqualified parts after detecting that the outer diameter is unqualified, avoiding the confusion after detection and the difficulty in elimination, thereby improving the use effect of the device.

Description

Technical Field

[0001] The invention relates to the field of detection technology, and in particular to a reliability detection device for automobile door lock parts. Background Art

[0002] Car door locks are an important part of the car safety system. Their design and function are directly related to the safety of the vehicle and the convenience of the user. The types and technologies of door locks are constantly improving with the development of automobile technology. From traditional mechanical locks to modern electronic locks, it reflects the evolution of automobile safety technology. Car door locks are a complex and sophisticated component, consisting of many parts, such as lock body, lock tongue, connecting rod and pin shaft, etc. In order to ensure the reliability of use, car door lock parts need to be tested during production.

[0003] At present, the reliability detection of automobile door lock parts is usually carried out manually by inspecting the pins one by one, without the function of marking. As a result, this detection method is not only inefficient, but also easily causes the pins to be confused and difficult to remove after detection, thereby reducing the detection effect of automobile door lock parts. Therefore, it is urgent to design a reliability detection equipment for automobile door lock parts. Summary of the invention

[0004] The purpose of the present invention is to solve the problems existing in the prior art and to propose a reliability detection device for automobile door lock parts.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A reliability testing device for automobile door lock parts, comprising a base plate and:

[0007] The slot plate is placed, and the slot plate is horizontally arranged above the bottom plate. A blanking plate is obliquely installed on the top of the slot plate. Support frames are fixedly installed at both ends of the top of the bottom plate. The tops of the two support frames are fixedly installed on the bottom of the slot plate.

[0008] There are two conveying assemblies, which are symmetrically arranged on both sides of the placement slot plate, and the conveying assemblies are used to convey the automobile door lock parts;

[0009] A clamping and rotating assembly, which is arranged on the bottom plate and is used to clamp and rotate the automobile door lock parts to be inspected;

[0010] A detection limit assembly, which is arranged on the clamping and rotating assembly and is used to detect the outer diameter of the automobile door lock parts;

[0011] The marking component is arranged on the detection limit component and is used to mark the automobile door lock parts with changing outer diameters.

[0012] As a further technical solution of the present invention, the conveying assembly includes: a conveying trough plate, which is horizontally arranged above the bottom plate and is located on the side of the placement trough plate. Eccentric wheels are fixedly installed at both ends of the side of the conveying trough plate away from the placement trough plate, and a rotating shaft is installed on each eccentric wheel. The placement grooves opened on the conveying trough plate and the placement trough plate are adapted to the automobile door lock parts, so as to ensure that the automobile door lock parts can be stably conveyed.

[0013] As a further technical solution of the present invention, side panels are fixedly installed on the top of the two support frames, and a first pulley is rotatably installed on the side of each side panel close to the conveying trough plate. The first belts are sleeved on the surfaces of the two first pulleys, and a third motor is installed on the outer side of the corresponding side panel, and the output shaft of the third motor is installed at the center of the corresponding first pulley side.

[0014] As a further technical solution of the present invention, the clamping and rotating assembly includes: a box body, which is horizontally fixedly installed on the top of the base plate, and two symmetrically arranged vertically sliding vertically arranged vertical plates on the top of the box body, and fixed shafts are rotatably installed on the opposite sides of the two vertical plates, and clamping plates are fixedly installed on the opposite ends of the two fixed shafts, and second motors are installed on the sides away from the two vertical plates, and the corresponding second motor output shafts are installed on the corresponding fixed shaft end faces.

[0015] As a further technical solution of the present invention, a strip groove is horizontally opened on the top of the box body, and two symmetrically arranged slide plates are slidably arranged inside the box body. Connecting blocks are fixedly installed on the top of the two slide plates. The top ends of the two connecting blocks pass through the strip groove and are fixedly installed on the bottom of the two vertical plates. A bidirectional lead screw is rotatably installed inside the box body, and the surface of the bidirectional lead screw is connected to the inside of the two slide plates by threads in opposite directions. A first motor is installed on the outside of the box body, and the output shaft of the first motor is installed on the end face of the bidirectional lead screw.

[0016] As a further technical solution of the present invention, the detection limit assembly includes: an electric slide, which is horizontally arranged between two vertical plates, and movable rods are rotatably installed on both sides of the top of each vertical plate, and the four movable rods are rotatably installed on the four ends corresponding to the two sides of the electric slide, and a connecting plate is slidably arranged at the bottom of the electric slide, and the output end of the electric slide is fixedly installed on the top of the connecting plate, and a first spring rod for detecting automobile door lock parts is vertically installed at the bottom of the connecting plate, and the fixed end and the telescopic end of the first spring rod are slidably connected by a spline.

[0017] As a further technical solution of the present invention, vertical plates are vertically fixedly installed at both ends of the bottom of the electric slide, and locking pins are horizontally fixedly installed at the ends of the opposite sides of the two vertical plates. The end of each locking pin away from the vertical plate is conical, and a positioning hole compatible with the locking pin is opened on the telescopic end of the first spring rod.

[0018] As a further technical solution of the present invention, the marking assembly includes: an L-shaped frame, the end of the vertical side of the L-shaped frame is vertically fixed on the top of the connecting plate, a horizontal plate is horizontally arranged below the connecting plate, a second spring rod is vertically installed at one end of the bottom of the horizontal plate, the fixed end and the telescopic end of the second spring rod are slidably connected by a spline, and a marking pen is vertically installed at the end of the telescopic end of the second spring rod.

[0019] As a further technical solution of the present invention, a turntable is rotatably installed on the vertical side of the L-shaped frame, a turntable is rotatably installed on the outer edge of the side away from the L-shaped frame, a vertical rod is rotatably installed on the other end of the turntable, and the end of the vertical rod passes through the connecting plate and is fixedly installed on the top of the horizontal plate.

[0020] As a further technical solution of the present invention, an extension plate is horizontally fixedly installed on the side of the telescopic end of the first spring rod, a rack is vertically fixedly installed on the top of the extension plate, a gear is meshed on the side of the rack, the gear is rotatably installed on the corresponding side of the horizontal side of the L-shaped frame, a large pulley and a small pulley are rotatably installed on the corresponding side of the L-shaped frame, a second belt is sleeved on the surface of the large pulley and the small pulley, the center of the side of the large pulley is fixedly installed on the side of the gear through a connecting shaft, and the center of the side of the small pulley is fixedly installed on the side of the turntable through a connecting shaft.

[0021] The beneficial effects of the present invention are:

[0022] Firstly, the present invention can rotate the automobile door lock parts after clamping them, and synchronously move the first spring rod downward, and the first spring rod is always in an elastic state in a non-working state due to the limitation of the telescopic end of the first spring rod by the lock pin, so as to facilitate the detection of the outer diameter of the automobile door lock parts, and automatically move the marker pen to mark the unqualified parts of the unqualified parts after detecting that the outer diameter is unqualified, thereby avoiding the confusion after detection and the difficulty in elimination, thereby improving the use effect of the device;

[0023] Secondly, the present invention can perform step-by-step conveying of automobile door lock parts through the arrangement of a conveying component, a clamping and rotating component, a detection limit component and a marking component, and after conveying once, while the chuck is clamping the automobile door lock parts, the electric slide and the connecting components thereon can be automatically moved downward together to contact the automobile door lock parts, thereby avoiding the situation where the first spring rod is always at the bottom and affects the conveying of the automobile door lock parts by the conveying component, thereby improving the speed and stability of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic diagram of the structure of a reliability testing device for automobile door lock parts proposed by the present invention;

[0025] Figure 2 for Figure 1 A magnified schematic diagram of part A;

[0026] Figure 3 This is a side structural schematic diagram of a reliability testing device for automobile door lock parts proposed by the present invention;

[0027] Figure 4 for Figure 3 A magnified schematic diagram of part B;

[0028] Figure 5 This is a schematic diagram of the cross-sectional structure of the bottom of a box of an automobile door lock parts reliability testing device proposed by the present invention;

[0029] Figure 6 A schematic diagram of two vertical plates and their connection structure of a reliability testing device for automobile door lock parts proposed by the present invention;

[0030] Figure 7 for Figure 6 A magnified schematic diagram of part C;

[0031] Figure 8 The present invention provides a schematic structural diagram of a vehicle door lock component reliability testing device after the lock pin and positioning hole are separated.

[0032] In the figure: 1. bottom plate; 2. support frame; 3. box body; 4. placement slot plate; 5. conveying slot plate; 6. first motor; 7. vertical plate; 8. second motor; 9. electric slide; 10. movable rod; 11. chuck; 12. fixed shaft; 13. unloading plate; 14. first spring rod; 15. vertical plate; 16. locking pin; 17. connecting plate; 18. horizontal plate; 19. second spring rod; 20. marking pen; 21. vertical rod; 22. rotating rod; 23. turntable; 24. L-shaped frame; 25. rack; 26. gear; 27. side plate; 28. third motor; 29. ​​first pulley; 30. first belt; 31. eccentric wheel; 32. two-way screw; 33. slide plate; 34. extension plate; 35. second belt; 36. small pulley; 37. large pulley; 38. positioning hole. DETAILED DESCRIPTION

[0033] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0034] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0035] Please see attached Figure 1 -Attached Figure 8 , a reliability testing device for automobile door lock parts, including a base plate 1, and also including: a placement slot plate 4, a conveying component, a clamping and rotating component, a detection limit component and a marking component, the placement slot plate 4 is horizontally arranged above the base plate 1, and a blanking plate 13 is obliquely installed on the top of the placement slot plate 4, and support frames 2 are fixedly installed at both ends of the top of the base plate 1, and the tops of the two support frames 2 are fixedly installed at the bottom of the placement slot plate 4, there are two conveying components, and the two conveying components are symmetrically arranged on both sides of the placement slot plate 4, the conveying component is used to convey automobile door lock parts, the clamping and rotating component is arranged on the base plate 1, and the clamping and rotating component is used to clamp and rotate the automobile door lock parts to be detected, the detection limit component is arranged on the clamping and rotating component, and the detection limit component is used to detect the outer diameter of the automobile door lock parts, and the marking component is arranged on the detection limit component, and the marking component is used to mark the automobile door lock parts with changed outer diameters;

[0036] The above-mentioned method can automatically perform step-by-step feeding on automobile door lock parts, and can mark automobile door lock parts with unqualified outer diameters during inspection, thereby avoiding the confusion between unqualified products and qualified products.

[0037] Please see attached Figure 1 -Attached Figure 4 In a preferred embodiment, the conveying assembly includes: a conveying trough plate 5, the conveying trough plate 5 is horizontally arranged above the bottom plate 1, and the conveying trough plate 5 is located on the side of the placement trough plate 4, and the two ends of the side of the conveying trough plate 5 away from the placement trough plate 4 are fixedly installed with eccentric wheels 31, and each eccentric wheel 31 is installed with a rotating shaft, and the placement slots opened on the conveying trough plate 5 and the placement trough plate 4 are adapted to the automobile door lock parts, so as to ensure that the automobile door lock parts can be stably conveyed, and the tops of the two support frames 2 are fixedly installed with side plates 27, and each side plate 27 close to the side of the conveying trough plate 5 is rotatably installed with a first pulley 29, and the surfaces of the two first pulleys 29 are sleeved with first belts 30, and the corresponding side plates 27 are installed with third motors 28 on the outer sides, and the output shafts of the third motors 28 are installed at the centers of the corresponding first pulleys 29;

[0038] Specifically, when the eccentric wheel 31 rotates the first half circle, the conveying trough plate 5 will be lifted up and moved forward, and when the eccentric wheel 31 rotates the second half circle, the conveying trough plate 5 will fall back, so that the automobile door lock parts can be fed in one rotation.

[0039] Please see attached Figure 2 -Attached Figure 8In a preferred embodiment, the clamping and rotating assembly includes: a box body 3, the box body 3 is horizontally fixedly installed on the top of the bottom plate 1, and two symmetrically arranged vertical plates 7 are vertically slidably arranged on the top of the box body 3. The opposite sides of the two vertical plates 7 are rotatably installed with fixed shafts 12, and the opposite ends of the two fixed shafts 12 are fixedly installed with clamping plates 11. The sides away from the two vertical plates 7 are installed with second motors 8, and the corresponding output shafts of the second motors 8 are installed on the corresponding end faces of the fixed shafts 12. A strip groove is horizontally opened on the top of the box body 3, and two symmetrically arranged slide plates 33 are slidably arranged inside the box body 3, and the tops of the two slide plates 33 are fixedly installed with connecting blocks, and the tops of the two connecting blocks pass through the strip grooves and are fixedly installed on the bottoms of the two vertical plates 7. A bidirectional lead screw 32 is rotatably installed inside the box body 3, and the surface of the bidirectional lead screw 32 is connected to the inside of the two slide plates 33 by threads in opposite directions. A first motor 6 is installed on the outside of the box body 3, and the output shaft of the first motor 6 is installed on the end faces of the bidirectional lead screw 32;

[0040] Furthermore, the movement of the two vertical plates 7 drives the fixed shaft 12, the clamping plate 11 and the four movable rods 10 to move, and the movement of the clamping plate 11 can clamp the automobile door lock parts to be inspected.

[0041] Please see attached Figure 1 -Attached Figure 8 In a preferred embodiment, the detection limit assembly includes: an electric slide 9, the electric slide 9 is horizontally arranged between two vertical plates 7, and movable rods 10 are rotatably installed on both sides of the top of each vertical plate 7, and four movable rods 10 are rotatably installed on the four ends of the corresponding two sides of the electric slide 9, and a connecting plate 17 is slidably arranged at the bottom of the electric slide 9, and the output end of the electric slide 9 is fixedly installed on the top of the connecting plate 17, and a first spring rod 14 for detecting automobile door lock parts is vertically installed at the bottom of the connecting plate 17, and the fixed end and the telescopic end of the first spring rod 14 are connected by spline sliding, and vertical plates 15 are vertically fixedly installed at both ends of the bottom of the electric slide 9, and lock pins 16 are horizontally fixedly installed at the ends of the opposite sides of the two vertical plates 15, and the ends of each lock pin 16 away from the vertical plates 15 are conical, and a positioning hole 38 adapted to the lock pin 16 is opened on the telescopic end of the first spring rod 14;

[0042] Specifically, since the lock pin 16 limits the telescopic end of the first spring rod 14, the first spring rod 14 is always in an elastic state in a non-working state, which is convenient for detecting the outer diameter of the automobile door lock parts.

[0043] Please see attached Figure 1 -Attached Figure 8In a preferred embodiment, the marking assembly includes: an L-shaped frame 24, the end of the vertical side of the L-shaped frame 24 is vertically fixedly installed on the top of the connecting plate 17, a horizontal plate 18 is horizontally arranged below the connecting plate 17, a second spring rod 19 is vertically installed at one end of the bottom of the horizontal plate 18, the fixed end and the telescopic end of the second spring rod 19 are slidably connected by a spline, a marking pen 20 is vertically installed at the end of the telescopic end of the second spring rod 19, a turntable 23 is rotatably installed on the side of the vertical side of the L-shaped frame 24, a rotating rod 22 is rotatably installed on the outer edge of the side of the rotating disc 23 away from the L-shaped frame 24, a vertical rod 21 is rotatably installed on the other end of the rotating rod 22, and the end of the vertical rod 21 The end passes through the connecting plate 17 and is fixedly installed on the top of the horizontal plate 18. An extension plate 34 is fixedly installed horizontally on the side of the telescopic end of the first spring rod 14. A rack 25 is fixedly installed vertically on the top of the extension plate 34. A gear 26 is meshed on the side of the rack 25. The gear 26 is rotatably installed on the corresponding side of the horizontal side of the L-shaped frame 24. A large pulley 37 and a small pulley 36 are rotatably installed on the corresponding side of the L-shaped frame 24. The second belt 35 is sleeved on the surface of the large pulley 37 and the small pulley 36. The center of the side of the large pulley 37 is fixedly installed on the side of the gear 26 through a connecting shaft, and the center of the side of the small pulley 36 is fixedly installed on the side of the turntable 23 through a connecting shaft.

[0044] Preferably, the rotation of the rotating rod 22 drives the vertical rod 21 to move downward, and the downward movement of the vertical rod 21 drives the horizontal plate 18, the second spring rod 19 and the marking pen 20 to move downward, so that the marking pen 20 can contact the automobile door lock parts, thereby marking the automobile door lock parts with unqualified outer diameters.

[0045] The working principle of the present invention is as follows: first, the automobile door lock parts to be tested are placed on the placement slot plate 4 and the conveying slot plate 5, and the third motor 28 is started to drive the first belt 30 and the first pulley 29 to rotate. The third motor 28 is an intermittent motor. The rotation of the first pulley 29 drives the eccentric wheel 31 to rotate, and the rotation of the eccentric wheel 31 drives the conveying slot plate 5 to reciprocate to convey the automobile door lock parts. It should be noted that when the eccentric wheel 31 rotates the first half of a circle, the conveying slot plate 5 will be lifted up and moved forward, and when the eccentric wheel 31 rotates the second half of a circle, the conveying slot plate 5 will fall back, so that the automobile door lock parts can be fed in one rotation.

[0046] When the automobile door lock parts are conveyed to the bottom of the first spring rod 14, the first motor 6 is started to drive the bidirectional lead screw 32 to rotate, the bidirectional lead screw 32 rotates to drive the two slide plates 33 to move, the two slide plates 33 move to drive the two vertical plates 7 to move, the two vertical plates 7 move to drive the fixed shaft 12, the chuck 11 and the four movable rods 10 to move, the chuck 11 moves to clamp the automobile door lock parts to be tested, the four movable rods 10 move to drive the electric slide 9 to move downward, the electric slide 9 moves to drive the connecting plate 17 and the first spring rod 14 and other connecting parts to move downward together, and when the chuck 11 has clamped the automobile door lock parts, the telescopic end of the first spring rod 14 also contacts the surface of the chuck 11, and during this process, the lock pin 16 is always located inside the positioning hole 38, and the first spring rod 14 is always in a state of elasticity;

[0047] Then start the electric slide 9 and the second motor 8. The second motor 8 drives the chuck 11 to rotate. The rotation of the chuck 11 drives the clamped automobile door lock parts to rotate. The electric slide 9 drives the connecting plate 17 to move horizontally. The movement of the connecting plate 17 drives the first spring rod 14, the L-shaped frame 24 and the extension plate 34 and their connecting parts to move horizontally. Then the lock pin 16 will separate from the positioning hole 38. It should be noted that when the lock pin 16 and the positioning hole 38 are completely separated, the telescopic end of the first spring rod 14 is separated from the chuck 11, and the telescopic end of the first spring rod 14 is in contact with the automobile door lock parts. Then, as the telescopic end of the first spring rod 14 moves on the automobile door lock parts, the automobile door lock parts can be tested. If the automobile door lock parts have a smaller outer diameter, the first spring rod 14 The telescopic end moves downward and drives the extension plate 34 to move, the extension plate 34 moves and drives the rack 25 to move downward, the rack 25 moves and drives the gear 26 to rotate, the gear 26 rotates and drives the large pulley 37 to rotate, the large pulley 37 rotates and drives the small pulley 36 to rotate through the second belt 35, the small pulley 36 rotates and drives the turntable 23 to rotate, the turntable 23 rotates and drives the rotating rod 22 to rotate, the rotating rod 22 rotates and drives the vertical rod 21 to move downward, the vertical rod 21 moves downward and drives the cross plate 18, the second spring rod 19 and the marking pen 20 to move downward, so that the marking pen 20 can contact with the automobile door lock parts, and the automobile door lock parts with unqualified outer diameters can be marked. If the automobile door lock parts have a larger outer diameter, the principle is the opposite, and the marking pen 20 can also be marked on the automobile door lock parts;

[0048] When the first spring rod 14 moves past the automobile door lock parts to above another chuck 11, the corresponding lock pin 16 will be inserted into the positioning hole 38 to limit the telescopic end of the first spring rod 14, thereby ensuring the stability of subsequent detection. In summary, the automobile door lock parts can be continuously detected in one reciprocating movement, thereby improving the use effect of the equipment.

[0049] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A reliability testing device for automobile door lock parts, comprising a base plate (1), characterized in that: Also includes: A slot plate (4) is placed, the slot plate (4) is horizontally arranged above the bottom plate (1), a blanking plate (13) is obliquely installed on the top of the slot plate (4), support frames (2) are fixedly installed at both ends of the top of the bottom plate (1), and the tops of the two support frames (2) are fixedly installed on the bottom of the slot plate (4); A conveying assembly, wherein there are two conveying assemblies, and the two conveying assemblies are symmetrically arranged on both sides of the placement slot plate (4), and the conveying assemblies are used to convey automobile door lock parts; A clamping and rotating assembly, the clamping and rotating assembly being arranged on the bottom plate (1), and being used to clamp and then rotate the automobile door lock parts to be inspected; A detection limit assembly, the detection limit assembly is arranged on the clamping rotation assembly, and the detection limit assembly is used to detect the outer diameter of the automobile door lock parts; A marking component, the marking component is arranged on the detection limit component, and the marking component is used to mark the automobile door lock parts with a changed outer diameter; The detection limit assembly comprises: an electric slide (9), the electric slide (9) being horizontally arranged between two vertical plates (7), each vertical plate (7) having movable rods (10) rotatably mounted on both sides of the top, the four movable rods (10) being rotatably mounted on four ends of the corresponding two sides of the electric slide (9), a connecting plate (17) being slidably arranged at the bottom of the electric slide (9), the output end of the electric slide (9) being fixedly mounted on the top of the connecting plate (17), and a first connecting plate (17) for detecting automobile door lock parts being vertically mounted at the bottom of the connecting plate (17). a spring rod (14), wherein the fixed end and the telescopic end of the first spring rod (14) are slidably connected via a spline, and the marking assembly comprises: an L-shaped frame (24), wherein the end of the vertical side of the L-shaped frame (24) is vertically fixedly mounted on the top of the connecting plate (17), a horizontal plate (18) is horizontally arranged below the connecting plate (17), a second spring rod (19) is vertically mounted at one end of the bottom of the horizontal plate (18), the fixed end and the telescopic end of the second spring rod (19) are slidably connected via a spline, and the end of the telescopic end of the second spring rod (19) is vertically mounted The marking pen (20) is characterized in that a turntable (23) is rotatably mounted on the side of the vertical side of the L-shaped frame (24), a turntable (22) is rotatably mounted on the outer edge of the side of the turntable (23) away from the L-shaped frame (24), a vertical rod (21) is rotatably mounted on the other end of the turntable (22), the end of the vertical rod (21) passes through the connecting plate (17) and is fixedly mounted on the top of the horizontal plate (18), an extension plate (34) is horizontally fixedly mounted on the side of the telescopic end of the first spring rod (14), and a rack (34) is vertically fixedly mounted on the top of the extension plate (34). 25), the side of the rack (25) is meshed with a gear (26), the gear (26) is rotatably mounted on the side corresponding to the horizontal side of the L-shaped frame (24), the corresponding side of the L-shaped frame (24) is rotatably mounted with a large pulley (37) and a small pulley (36), the surfaces of the large pulley (37) and the small pulley (36) are sleeved with a second belt (35), the center of the side of the large pulley (37) is fixedly mounted on the side of the gear (26) through a connecting shaft, and the center of the side of the small pulley (36) is fixedly mounted on the side of the turntable (23) through a connecting shaft; The clamping rotation assembly comprises: a box body (3), the box body (3) is horizontally fixedly installed on the top of the base plate (1), the top of the box body (3) is vertically slidably provided with two symmetrically arranged vertical plates (7), the opposite sides of the two vertical plates (7) are rotatably installed with fixed shafts (12), the opposite ends of the two fixed shafts (12) are fixedly installed with clamping plates (11), the sides away from the two vertical plates (7) are installed with second motors (8), and the corresponding output shafts of the second motors (8) are installed on the corresponding end faces of the fixed shafts (12), the bottom ends of the electric slide (9) are vertically fixedly installed with vertical plates (15), the ends of the opposite sides of the two vertical plates (15) are horizontally fixedly installed with locking pins (16), and the ends of each locking pin (16) away from the vertical plates (15) are conical, and the telescopic end of the first spring rod (14) is provided with a positioning hole (38) adapted to the locking pin (16).

2. The reliability testing equipment for automobile door lock parts according to claim 1 is characterized in that: The conveying assembly comprises: a conveying trough plate (5), the conveying trough plate (5) being horizontally arranged above the bottom plate (1), and the conveying trough plate (5) being located on the side of the placement trough plate (4), and eccentric wheels (31) being fixedly mounted on both ends of the side of the conveying trough plate (5) away from the placement trough plate (4), and a rotating shaft being mounted on each of the eccentric wheels (31), and the placement grooves provided on the conveying trough plate (5) and the placement trough plate (4) being adapted to the automobile door lock parts, so as to ensure that the automobile door lock parts can be stably conveyed.

3. The reliability testing device for automobile door lock parts according to claim 2 is characterized in that: A side plate (27) is fixedly mounted on the top of the two support frames (2), a first pulley (29) is rotatably mounted on the side of each side plate (27) close to the conveying trough plate (5), a first belt (30) is sleeved on the surface of the two first belt pulleys (29), a third motor (28) is mounted on the outer side of the corresponding side plate (27), and an output shaft of the third motor (28) is mounted at the center of the side of the corresponding first belt pulley (29).

4. The reliability testing device for automobile door lock parts according to claim 3 is characterized in that: A strip groove is horizontally provided on the top of the box body (3), and two symmetrically arranged slide plates (33) are slidably arranged inside the box body (3). A connecting block is fixedly installed on the top of the two slide plates (33), and the top ends of the two connecting blocks pass through the strip groove and are fixedly installed on the bottoms of the two vertical plates (7). A bidirectional lead screw (32) is rotatably installed inside the box body (3), and the surface of the bidirectional lead screw (32) is connected to the inside of the two slide plates (33) by threads in opposite directions. A first motor (6) is installed on the outside of the box body (3), and the output shaft of the first motor (6) is installed on the end surface of the bidirectional lead screw (32).

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