Durability testing device for mechanical lock

Abstract

The utility model provides a mechanical lock durability testing device which comprises a support and a lock body, the support is connected to the top surface of a workbench, and the lock body is clamped on the support. A lock cylinder driving device is arranged on one side of the support, a key is clamped by the lock cylinder driving device, the lock body is connected with a lock cylinder, the lock cylinder driving device drives the key to stretch into a key hole formed in the lock cylinder, the lock cylinder driving device drives the lock cylinder through the key, and then the lock cylinder drives the lock body to be opened and closed. The upper end of the lock body is slidably connected with an upper hook, and the lower end is slidably connected with a lower hook. A top hook and a bottom hook are arranged on the upper side and the lower side of the lock body respectively and movably connected to the support respectively. And the upper end of the ground hook is connected with the lower hook. According to the utility model, durability test is carried out on the lock body heaven and earth hook, durability and reliability of the lock heaven and earth hook are evaluated, designers can find quality defects and improve the defects, long-term stable work of a mechanical lock is ensured, and product competitiveness and customer satisfaction are improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of lockset, concretely relates to a mechanical lock durability testing device. BACKGROUND

[0002] As a traditional door lock device, mechanical lock plays an important role in daily life and industrial applications. It realizes locking and unlocking functions through mechanical structure, and has advantages of high reliability and low cost. However, the durability of each component of mechanical lock directly relates to the safety and service life of the lockset during long-term use. For example, if the durability of components such as lock tongue, keyhole, key and top and bottom hooks is insufficient, it may cause the lockset to be unable to normally open or close, thereby bringing inconvenience to users and even causing safety hazards. The traditional mechanical lock durability test mainly focuses on the basic performance of lock tongue extension times and key insertion and removal wear, and does not pay attention to the durability test of the key anti-picking component, i.e. top and bottom hooks.

[0003] Therefore, the above problems need to be solved. INVENTION CONTENT

[0004] The utility model discloses a mechanical lock durability testing device, which can simulate lock body switching, test the durability of top and bottom hooks, evaluate the durability and reliability of lockset top and bottom hooks, help designers find quality defects and improve the defects, ensure that the mechanical lock of the lockset can work stably for a long time, and improve product competitiveness and customer satisfaction.

[0005] Technical scheme: In order to realize the above object, the utility model provides a mechanical lock durability testing device, which comprises a bracket and a lock body. The bracket is connected to the top surface of a workbench, and the lock body is clamped in the bracket. A lock cylinder driving device is arranged on one side of the bracket, and the lock cylinder driving device clamps a key. The lock body is connected with a lock cylinder. The lock cylinder driving device drives the key to extend into the keyhole of the lock cylinder. The lock cylinder driving device drives the lock cylinder through the key, and then the lock cylinder drives the lock body to switch. The upper end of the lock body is slidably connected with an upper hook, and the lower end of the lock body is slidably connected with a lower hook. The upper and lower sides of the lock body are respectively provided with a top hook and a bottom hook, and the top hook and the bottom hook are movably connected to the bracket. The lower end of the top hook is connected with the upper hook, and the upper end of the bottom hook is connected with the lower hook. The utility model installs the lock body on the bracket, clamps the key through the lock cylinder driving device, and opens and closes the lock body through the key, so as to simulate the lock body switching. Then the upper hook and the lower hook extend away from the lock body. The upper hook drives the top hook to extend upward, and the lower hook drives the bottom hook to extend downward. The normal working state of the upper hook and the lower hook provided on the lock body is simulated, the durability of the upper hook and the lower hook is tested, the durability and reliability of the lockset top and bottom hooks are evaluated, the designers can find quality defects and improve the defects, and the mechanical lock can work stably for a long time, so as to improve the product competitiveness and customer satisfaction.

[0006] Further, in the mechanical lock durability test device, the bracket includes a top plate and a bottom plate, and the top plate and the bottom plate are respectively arranged on the upper side and the lower side of the lock body. The ceiling hook is arranged through the top plate and is slidingly connected to the top plate. The upper detection rod is movably connected to the end of the ceiling hook away from the lock body. The top surface of the top plate is connected with the upper supporting rod. The upper detection rod is movably connected with the upper supporting rod at the middle segment. The top surface of the top plate is provided with an upper pressing detection switch. When the ceiling hook moves upward, the ceiling hook drives the upper detection rod to rotate around the upper supporting rod. The end of the upper supporting rod away from the upper detection rod presses the upper pressing detection switch. The upper pressing detection switch is a mechanical pressing switch and is internally provided with a metal spring. The metal spring and the contact are in contact through pressing, so as to change the circuit state. When the lock core driving device opens the lock body, the upper hook drives the ceiling hook to move upward, the ceiling hook drives the upper detection rod to press the upper pressing detection switch, the metal spring in the upper pressing detection switch is in contact with the contact, the circuit is connected, the control system receives the upper pressing detection switch signal and records the number of lock body opening times. When the lock core driving device opens the lock body and the control system does not receive the upper pressing detection switch signal, the test is ended. The ceiling hook detection mechanism is a mechanical detection mechanism. The state of the ceiling hook is detected through the contact of the metal spring in the upper pressing detection switch. The number of lock body opening times is recorded. The structure is simple, the reliability is high, and the test stability is improved.

[0007] Further, in the mechanical lock durability test device, the bracket includes a top plate and a bottom plate, and the top plate and the bottom plate are respectively arranged on the upper side and the lower side of the lock body. The ceiling hook is arranged through the top plate and is slidingly connected to the top plate. The upper detection rod is movably connected to the end of the ceiling hook away from the lock body. The top surface of the top plate is connected with the upper supporting rod. The upper detection rod is movably connected with the upper supporting rod at the middle segment. The top surface of the top plate is provided with an upper pressing detection switch. When the ceiling hook moves upward, the ceiling hook drives the upper detection rod to rotate around the upper supporting rod. The end of the upper supporting rod away from the upper detection rod presses the upper pressing detection switch. The upper pressing detection switch is a mechanical pressing switch and is internally provided with a metal spring. The metal spring and the contact are in contact through pressing, so as to change the circuit state. When the lock core driving device opens the lock body, the upper hook drives the ceiling hook to move upward, the ceiling hook drives the upper detection rod to press the upper pressing detection switch, the metal spring in the upper pressing detection switch is in contact with the contact, the circuit is connected, the control system receives the upper pressing detection switch signal and records the number of lock body opening times. When the lock core driving device opens the lock body and the control system does not receive the upper pressing detection switch signal, the test is ended. The ceiling hook detection mechanism is a mechanical detection mechanism. The state of the ceiling hook is detected through the contact of the metal spring in the upper pressing detection switch. The number of lock body opening times is recorded. The structure is simple, the reliability is high, and the test stability is improved.

[0008] The ground hook detection mechanism is a mechanical detection mechanism. The state of the ground hook is detected through the contact of the metal spring in the lower pressing detection switch. The number of lock body opening times is recorded. The structure is simple, the reliability is high, and the test stability is improved.

[0009] Further, in the mechanical lock durability test device, a guide column is connected between the top plate and the bottom plate, and an upper clamping plate and a lower clamping plate are slidably connected to the guide column. The upper clamping plate is slidably connected to the guide column through an upper shaft sleeve, and the lower clamping plate is slidably connected to the guide column through a lower shaft sleeve. The upper clamping plate and the lower clamping plate clamp and fix the lock body. The upper shaft sleeve is provided with a first locking wrench, and the first locking wrench locks the upper shaft sleeve on the guide column. The lower shaft sleeve is provided with a second locking wrench, and the second locking wrench locks the lower shaft sleeve on the guide column. The upper clamping plate and the lower clamping plate are movably connected to the guide column and are locked by the first locking wrench and the second locking wrench respectively, so as to clamp and fix the lock body. Then, the first locking wrench and the second locking wrench are loosened in sequence, and then the upper clamping plate and the lower clamping plate are rotated in sequence, so as to rotate out the upper clamping plate and the lower clamping plate, connect the lock body between the upper clamping plate and the lower clamping plate, and then rotate back the upper clamping plate and the lower clamping plate to reset for testing, thereby improving the convenience of testing.

[0010] Further, in the mechanical lock durability test device, a support plate is connected between the top plate and the bottom plate, and the support plate is connected to the side of the lock body away from the guide column. A bolt detection device is arranged on the side of the support plate close to the lock body. The bolt detection device is arranged to detect the number of times of opening and closing of the bolt, detect the service life of the lock body, and comprehensively detect the lock body, thereby improving the functionality of the test device.

[0011] Further, in the mechanical lock durability test device, the lock body includes a bolt and a square tongue. The bolt detection device includes a first detection mechanism and a second detection mechanism. The first detection mechanism is arranged corresponding to the bolt, and the second detection mechanism is arranged corresponding to the square tongue. When the lock body is in a closed state, the bolt presses the first detection mechanism, and the square tongue presses the second detection mechanism. The bolt is arranged as a latch and is connected to a spring mechanism, and is automatically retracted and automatically popped out when the door is closed. The square tongue is arranged as a square shape and is controlled to be extended or retracted by a key, thereby providing additional locking for the door body. The first detection mechanism is arranged as a pneumatic cylinder, and the pneumatic cylinder is connected to an electromagnetic valve. A cylinder shaft of the pneumatic cylinder is provided with a pressure sensor, and the cylinder shaft of the pneumatic cylinder is extended and retracted to press the bolt. When the pressure sensor does not detect pressure or detects pressure exceeding a set value, the pneumatic cylinder stops working, and the number of times of starting of the electromagnetic valve is recorded, thereby testing the durability of the bolt. The second detection mechanism is provided with a pressing detection switch. The square tongue presses the second detection mechanism, so that a reed and a contact in the second detection mechanism are connected, thereby detecting the extension and retraction of the square tongue. The first detection mechanism and the second detection mechanism respectively detect the opening and closing of the bolt and the square tongue, thereby determining the weak points of different components of the lock body, positioning the fault source, and optimizing the design in the later stage, thereby improving the service life of the mechanical lock.

[0012] Further, in the mechanical lock durability test device, the lock core driving device comprises a rotary motor, and an electric clamp jaw is connected to a motor shaft of the rotary motor. The electric clamp jaw clamps the key. The key is inserted into the lock hole, the electric clamp jaw clamps the key, the rotary motor is started, and reciprocating rotation is performed. Different rotation numbers are set according to different lock bodies, the opening and closing actions are simulated, the clockwise rotation and the counterclockwise rotation are set with the lock body switch once, the number of times of forward and reverse rotation of the rotary motor is recorded, the mechanical lock is subjected to the durability test, and the control system monitors the current of the rotary motor in real time. When the current of the rotary motor exceeds the set value, the test is stopped. In this way, the consistency of the opening and closing can be ensured, manual participation is reduced, and the accuracy of the test is improved.

[0013] Further, in the mechanical lock durability test device, the workbench top surface is connected with a horizontal moving device, the lock core driving device is connected to the top surface of the horizontal moving device, and the horizontal moving device drives the lock core driving device to move left and right reciprocatingly. The horizontal moving device is a shaftless air cylinder, which can drive the lock core driving device to move towards the lock body, the electric clamp jaw clamps the key, and the durability test is performed.

[0014] Further, in the mechanical lock durability test device, an outer thread is arranged at one end of the guide column close to the bottom plate, and a nut is threadedly connected to the one end of the guide column close to the bottom plate. The nut supports the lower clamping plate. The nut can be used to adjust the height of the bottom plate, and then the height of the key hole provided on the lock body is adjusted, so that the electric clamp jaw can clamp the key, the test requirements of different lock bodies are met, and the adaptability of the device is improved.

[0015] The technical scheme can achieve the following beneficial effects: the mechanical lock durability test device can simulate the working state of the lock body, test the durability of the upper hook and the lower hook, evaluate the durability and reliability of the lock, enable the designer to find quality defects and improve the defects, ensure that the mechanical lock can work stably for a long time, and improve the product competitiveness and customer satisfaction. The upper hook detection mechanism is a mechanical detection mechanism, the metal spring sheet and the contact are in contact through pressing, the state of the upper hook and the lower hook is detected, the number of times of switching of the lock body is recorded, the structure is simple, the reliability is high, and the test stability is improved. The rotary motor simulates the opening and closing actions, reduces the test error, and improves the test stability and accuracy. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is a front view of the mechanical lock durability test device.

[0017] Fig. 2 It is a side view of the bracket.

[0018] In the diagram: 1. Bracket; 11. Top plate; 111. Upper support rod; 12. Bottom plate; 121. Lower support rod; 13. Guide post; 131. Nut; 14. Upper clamping plate; 141. Upper bushing; 142. First locking wrench; 15. Lower clamping plate; 151. Lower bushing; 152. Second locking wrench; 16. Support plate; 2. Lock body; 21. Upper hook; 22. Lower hook; 23. Lock tongue; 24. Square tongue; 3. Lock cylinder drive device; 31. Rotary motor; 32. Electric gripper; 33. Lateral movement device; 4. Lock cylinder; 5. Top hook; 51. Upper detection rod; 52. Upper press detection switch; 6. Ground hook; 61. Lower detection rod; 62. Lower press detection switch; 7. Lock tongue detection device; 71. First detection mechanism; 72. Second detection mechanism; 8. Workbench. Detailed Implementation

[0019] Example 1

[0020] like Figs. 1-2 The mechanical lock durability testing device shown includes a bracket 1 and a lock body 2. The bracket 1 is connected to the top surface of a workbench 8, and the lock body 2 is secured to the bracket 1. A lock cylinder drive device 3 is provided on one side of the bracket 1, holding a key. A lock cylinder 4 is connected to the lock body 2. The lock cylinder drive device 3 drives the key to extend into the keyhole of the lock cylinder 4. The lock cylinder drive device 3 drives the lock cylinder 4 through the key, and the lock cylinder 4 in turn drives the lock body 2 to open and close. An upper hook 21 is slidably connected to the upper end of the lock body 2, and a lower hook 22 is slidably connected to the lower end of the lock body 2. A top hook 5 and a bottom hook 6 are respectively provided on the upper and lower sides of the lock body 2, and the top hook 5 and the bottom hook 6 are movably connected to the bracket 1. The lower end of the top hook 5 is connected to the upper hook 21, and the upper end of the bottom hook 6 is connected to the lower hook 22.

[0021] In this embodiment, the bracket 1 includes a top plate 11 and a bottom plate 12, which are respectively located on the upper and lower sides of the lock body 2. A top hook 5 passes through the top plate 11 and is slidably connected to it. An upper detection rod 51 is movably connected to the end of the top hook 5 away from the lock body 2. An upper support rod 111 is connected to the top surface of the top plate 11, and the middle section of the upper detection rod 51 is movably connected to the upper support rod 111. An upper press detection switch 52 is provided on the top surface of the top plate 11. When the top hook 5 moves upward, it drives the upper detection rod 51 to rotate around the upper support rod 111, and the end of the upper support rod 111 away from the upper detection rod 51 presses the upper press detection switch 52. The upper press detection switch 52 is a mechanical press switch with a metal spring inside. Pressing it causes the metal spring to contact the contact point, changing the circuit state.

[0022] In the embodiment, the ground hook 6 is arranged through the bottom plate 12, the ground hook 6 and the bottom plate 12 are in sliding connection, the ground hook 6 is movably connected with the lower detection rod 61 at the end away from the lock body 2, the bottom plate 12 is connected with the lower supporting rod 121 at the bottom surface, and the lower detection rod 61 is movably connected with the lower supporting rod 121 at the middle segment. The bottom surface of the bottom plate 12 is provided with the lower pressing detection switch 62. The ground hook 6 moves downward, the ground hook 6 drives the lower detection rod 61 to rotate around the lower supporting rod 121, and the lower supporting rod 121 presses the lower pressing detection switch 62 at the end away from the lower detection rod 61. The lower pressing detection switch 62 is a mechanical pressing switch, which is internally provided with a metal spring piece. The metal spring piece and a contact are in contact by pressing, so that the circuit state is changed.

[0023] In the embodiment, the guide column 13 is connected between the top plate 11 and the bottom plate 12, the upper clamping plate 14 and the lower clamping plate 15 are movably connected with the guide column 13. The upper clamping plate 14 is movably connected with the guide column 13 through the upper shaft sleeve 141, and the lower clamping plate 15 is movably connected with the guide column 13 through the lower shaft sleeve 151. The upper clamping plate 14 and the lower clamping plate 15 clamp and fix the lock body 2. The upper shaft sleeve 141 is provided with the first locking wrench 142, the first locking wrench 142 locks the upper shaft sleeve 141 on the guide column 13, and the lower shaft sleeve 151 is provided with the second locking wrench 152, the second locking wrench 152 locks the lower shaft sleeve 151 on the guide column 13.

[0024] In the embodiment, the support plate 16 is connected between the top plate 11 and the bottom plate 12, the support plate 16 is connected to the side of the lock body 2 away from the guide column 13, and the support plate 16 is provided with the bolt detection device 7 at the side close to the lock body 2.

[0025] In the embodiment, the lock body 2 includes the latch bolt 23 and the square tongue 24. The bolt detection device 7 includes the first detection mechanism 71 and the second detection mechanism 72, the first detection mechanism 71 is arranged corresponding to the latch bolt 23, and the second detection mechanism 72 is arranged corresponding to the square tongue 24. When the lock body 2 is in the closed state, the latch bolt 23 presses the first detection mechanism 71, and the square tongue 24 presses the second detection mechanism 72. The latch bolt 23 is arranged as a bevel tongue and is connected with a spring mechanism, which is automatically retracted and automatically popped out when the door is closed. The square tongue 24 is arranged as a square shape, which is controlled to be extended or retracted by a key, and provides additional locking for the door body. The first detection mechanism 71 is arranged as an air cylinder, which is connected with a solenoid valve, the cylinder shaft of the air cylinder is provided with a pressure sensor, the cylinder shaft of the air cylinder is retracted and pressed to press the latch bolt 23, when the pressure sensor does not detect pressure or detects pressure exceeding a set value, the air cylinder stops working, records the number of solenoid valve starts, and records the number of extensions and retractions of the latch bolt 23, so as to test the durability of the latch bolt 23. The second detection mechanism 72 is provided with a pressing detection switch, the square tongue 24 presses the second detection mechanism 72, so that the spring piece and the contact in the second detection mechanism 72 are connected, and the extension and retraction of the square tongue 24 are detected.

[0026] In the embodiment, the lock core driving device 3 comprises a rotary motor 31, and an electric clamp jaw 32 is connected to a motor shaft of the rotary motor 31. The electric clamp jaw 32 clamps the key.

[0027] In the embodiment, the top surface of the workbench 8 is connected with a horizontal moving device 33, the lock core driving device 3 is connected to the top surface of the horizontal moving device 33, and the horizontal moving device 33 drives the lock core driving device 3 to reciprocate left and right. The horizontal moving device 33 is provided as a shaftless cylinder.

[0028] In the embodiment, the guide column 13 is provided with external threads near one end close to the bottom plate 12, and a nut 131 is threadedly connected to the end of the guide column 13 close to the bottom plate 12. The nut 131 supports the lower clamping plate 15.

[0029] When it is necessary to test the durability of the lock body 2, the second locking wrench 152 is loosened first, the nut 131 is screwed, the lower clamping plate 15 is adjusted to an appropriate height, the lower clamping plate 15 is rotated to the outside, and the lock body 2 is placed on the top surface of the lower clamping plate 15. The first locking wrench 142 is loosened, the upper clamping plate 14 is moved upward along the guide column 13 and rotated to the lock body 2, so that the upper clamping plate 14 and the lower clamping plate 15 clamp the lock body. The upper clamping plate 14 and the lower clamping plate 15 are rotated to reset. The key is inserted into the key hole of the lock body 2, the horizontal moving device 33 drives the lock core driving device 3 to move towards the lock body, the nut 131 is adjusted, and then the height of the lock body 2 is adjusted, so that the key and the electric clamp jaw 32 are in the same horizontal plane. The first locking wrench 142 and the second locking wrench 152 are locked, the electric clamp jaw 32 is started, the electric clamp jaw 32 clamps the key, the rotary motor 31 is started, the rotary motor 31 drives the key to rotate, and the lock body 2 is opened or locked. The rotary motor 31 needs to be set to different numbers of rotations according to different lock bodies, such as single rotation or double rotation, to open or close the lock body 2. The control system records the number of forward and reverse rotations of the rotary motor 31. When the lock body 2 is opened, the square tongue 24 is extended, the upper hook 21 and the lower hook 22 are extended away from the lock body 2, the square tongue 24 presses the second detection mechanism 72, the reed and the contact provided in the second detection mechanism 72 are in contact, the circuit state is changed, and the control system receives the circuit signal. The upper hook 21 drives the sky hook 5 to extend upward, the lower hook 22 drives the ground hook 6 to extend downward, the sky hook 5 drives the upper detection rod 51 to press the upper pressing detection switch 52, the ground hook 6 drives the lower detection rod 61 to press the lower pressing detection switch 62, the metal reed and the contact in the upper pressing detection switch 52 and the lower pressing detection switch 62 are in contact, the circuit is connected, and the control system receives the circuit signal. When the rotary motor 31 rotates and the upper pressing detection switch 52 or the lower pressing detection switch 62 does not send a circuit signal, the test is stopped, or the second detection mechanism 72 sends a circuit signal, the test is stopped, so as to find the design weakness. The control system monitors the current of the rotary motor 31 in real time, and stops the test when the current of the rotary motor 31 exceeds the set value.

[0030] The durability test method comprises setting the starting number of the rotary motor 31, the rotary motor 31 running according to the set starting number, the control system recording the on-off number of the second detection mechanism 72, the upper pressing detection switch 52 and the lower pressing detection switch 62. When the rotary motor 31 runs according to the set number, the on-off number of the second detection mechanism 72, the upper pressing detection switch 52 and the lower pressing detection switch 62 is checked, and the durability of the upper hook 21, the lower hook 22 and the square tongue 24 is analyzed.

[0031] The first detection mechanism 71 of the utility model is provided with a cylinder, the cylinder is connected with an electromagnetic valve, the cylinder shaft of the cylinder is provided with a pressure sensor, the cylinder shaft of the cylinder is telescopic and presses the lock tongue 23, when the pressure sensor does not detect pressure or detects that the pressure exceeds the set value, the cylinder stops working, records the starting number of the electromagnetic valve, is the telescopic number of the lock tongue 23, tests the durability of the lock tongue 23.

[0032] The above embodiment is exemplary, and the purpose is to explain the technical concept and characteristics of the utility model, so that the understanding of the field can understand the content of the utility model and implement it, and the protection scope of the utility model cannot be limited. Any equivalent change or modification according to the spirit and essence of the utility model should be covered in the protection scope of the utility model.

Claims

1. A mechanical lock durability testing device, characterized by: The utility model provides a lock, including support (1) and lock body (2), support (1) is connected to the top surface of workbench (8), lock body (2) is clamped in support (1), one side of support (1) is equipped with lock cylinder drive arrangement (3), lock cylinder drive arrangement (3) clamps key, lock body (2) is connected with lock cylinder (4), lock cylinder drive arrangement (3) drives key to extend into the keyhole of lock cylinder (4) and is equipped with, lock cylinder drive arrangement (3) drives lock cylinder (4) through key, and then lock cylinder (4) drives lock body (2) switch, the upper end of lock body (2) is slidably connected with upper hook (21), the lower end of lock body (2) is slidably connected with lower hook (22), lock body (2) is equipped with respectively with the heaven hook (5) and ground hook (6) upside and downside, the heaven hook (5) and ground hook (6) are movably connected in support (1), the lower end of heaven hook (5) is connected with upper hook (21), and the upper end of ground hook (6) is connected with lower hook (22).

2. The mechanical lock durability testing device of claim 1, wherein: The support (1) includes top plate (11) and bottom plate (12), the top plate (11) and bottom plate (12) are equipped on the upside and downside of lock body (2) respectively, the heaven hook (5) is set through top plate (11), the heaven hook (5) is slidably connected in top plate (11), the heaven hook (5) is movably connected with upper detection rod (51) on the end away from lock body (2), the top surface of top plate (11) is connected with upper support rod (111), the upper detection rod (51) is movably connected with upper support rod (111) on the middle segment, the top surface of top plate (11) is equipped with upper pressing detection switch (52), the heaven hook (5) moves up, the heaven hook (5) drives upper detection rod (51) to rotate around upper support rod (111), the upper support rod (111) is pressed upper pressing detection switch (52) on the end away from upper detection rod (51).

3. The mechanical lock durability testing apparatus of claim 2, wherein: The ground hook (6) is set through bottom plate (12), the ground hook (6) is slidably connected with bottom plate (12), the ground hook (6) is movably connected with lower detection rod (61) on the end away from lock body (2), the bottom surface of bottom plate (12) is connected with lower support rod (121), the lower detection rod (61) is movably connected with lower support rod (121) on the middle segment, the bottom surface of bottom plate (12) is equipped with lower pressing detection switch (62), the ground hook (6) moves down, the ground hook (6) drives lower detection rod (61) to rotate around lower support rod (121), the lower support rod (121) is pressed lower pressing detection switch (62) on the end away from lower detection rod (61).

4. The mechanical lock durability testing apparatus of claim 2, wherein: The top plate (11) and the bottom plate (12) are connected with a guide column (13), the guide column (13) is slidably connected with an upper clamping plate (14) and a lower clamping plate (15); the upper clamping plate (14) is slidably connected with the guide column (13) through an upper shaft sleeve (141), and the lower clamping plate (15) is slidably connected with the guide column (13) through a lower shaft sleeve (151); the upper clamping plate (14) and the lower clamping plate (15) clamp and fix the lock body (2); the upper shaft sleeve (141) is provided with a first locking wrench (142), the first locking wrench (142) locks the upper shaft sleeve (141) on the guide column (13), and the lower shaft sleeve (151) is provided with a second locking wrench (152), the second locking wrench (152) locks the lower shaft sleeve (151) on the guide column (13).

5. The mechanical lock durability testing apparatus of claim 4, wherein: The top plate (11) and the bottom plate (12) are connected with a support plate (16), the support plate (16) is connected to the lock body (2) away from the guide column (13) side, and the support plate (16) is provided with a bolt detection device (7) close to the lock body (2) side.

6. The mechanical lock durability testing apparatus of claim 5, wherein: The lock body (2) comprises a bolt (23) and a square tongue (24); the bolt detection device (7) comprises a first detection mechanism (71) and a second detection mechanism (72), the first detection mechanism (71) is arranged corresponding to the bolt (23), and the second detection mechanism (72) is arranged corresponding to the square tongue (24); when the lock body (2) is in a closed state, the bolt (23) presses the first detection mechanism (71), and the square tongue (24) presses the second detection mechanism (72).

7. The mechanical lock durability testing apparatus of claim 1, wherein: The lock cylinder driving device (3) comprises a rotary motor (31), and a motor shaft of the rotary motor (31) is connected with an electric clamp jaw (32); the electric clamp jaw (32) clamps a key.

8. The mechanical lock durability testing apparatus of claim 7, wherein: The workbench (8) top surface is connected with a horizontal moving device (33), the lock cylinder driving device (3) is connected to the horizontal moving device (33) top surface, and the horizontal moving device (33) drives the lock cylinder driving device (3) to move reciprocatingly left and right.

9. The mechanical lock durability testing apparatus of claim 4, wherein: The guide column (13) is provided with an external thread close to one end of the bottom plate (12), and a nut (131) is threadedly connected to the end of the guide column (13) close to the bottom plate (12); the nut (131) supports the lower clamping plate (15).

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