Elevator buffer performance detection device with gravity adjustment and detection method

Abstract

The present invention belongs to the technical field of detection devices, and specifically is an elevator buffer performance detection device with gravity adjustment and a detection method, comprising a workbench, a flip plate is rotatably arranged in the middle of the workbench, a mounting plate is fixedly connected to the middle of the upper end surface of the flip plate, a second plug rod is inserted with a second groove block, a lifting frame is fixedly connected to the lower end of the second groove block, a plurality of counterweight blocks are arranged on the inner side of the lifting frame, and a locking splash-proof mechanism for intercepting elevator buffer fragments is arranged on the workbench; the present invention realizes the use of the locking splash-proof mechanism, when the lifting frame hits the elevator buffer, the two cover plates are driven to approach each other until they fit together, so as to cover the upper end of the protection box, intercept the fragments and counterweight blocks splashed due to the collision inside the protection box, avoid the fragments or counterweight blocks splashing and injuring the surrounding personnel, and at the same time, avoid the damage of the remaining components of the whole device due to the collision.

Description

Technical Field

[0001] The invention belongs to the technical field of detection devices, and in particular to an elevator buffer performance detection device with gravity adjustment and a detection method. Background Art

[0002] The elevator buffer is the last important protective device in the elevator pit. When the elevator exceeds the bottom or top limit position due to a malfunction or other reasons, the buffer can absorb or consume the elevator's kinetic energy and potential energy, effectively preventing the elevator from a collision accident. During the production process of the elevator buffer, potential problems may occur in the product due to factors such as materials, processes, and the environment. Through performance testing, these problems can be discovered in a timely manner, and corresponding measures can be taken to repair or improve them to prevent problematic products from entering the market.

[0003] The patent with announcement number CN217738637U discloses an elevator inspection test device, including a base and a controller, a support frame is fixedly installed in the middle of the upper surface of the base, a lifting frame is slidably connected between the two support frames, a fixed plate is fixedly installed on the upper surface of the base and directly below the lifting frame, an industrial camera is arranged on the upper surface of the base and at a position corresponding to the fixed plate, and a lifting plate is slidably connected inside the lifting frame. The patent describes an elevator inspection test device, in which the industrial camera shoots the entire impact process and transmits the image data to an external data processing terminal. The user performs multiple tests by replacing different counterweights and lifting the lifting frame to different heights, and studies the performance of the elevator buffer by analyzing the video data, while the protective frame on the upper surface of the shock-absorbing chassis protects the industrial camera to prevent the elevator buffer from being hit and fragments from splashing, causing damage to the industrial camera.

[0004] However, the above technical solution still has the following deficiencies in practical application: Although a protective frame is used to protect the industrial camera, components other than the industrial camera on the entire device may also be hit by debris. Moreover, even if the counterweight is clamped, the counterweight in the lifting frame may fly out due to excessive impact force. This may be caused by insufficient clamping force. When debris or counterweight flies out, it is not only easy to injure surrounding personnel, but also may cause damage to the rest of the components of the entire device, affecting subsequent use.

[0005] To this end, the present invention provides an elevator buffer performance detection device and a detection method with gravity adjustment. Summary of the invention

[0006] In order to make up for the deficiencies of the prior art and solve at least one technical problem raised in the background technology, the present invention proposes an elevator buffer performance detection device and a detection method with gravity adjustment.

[0007] The technical solution adopted by the present invention to solve its technical problem is: an elevator buffer performance detection device with gravity adjustment, comprising a workbench, a flip plate is rotatably arranged in the middle of the workbench, a mounting plate is fixedly connected to the middle of the upper end surface of the flip plate, the mounting plate is used to install the elevator buffer, a slide rail is fixedly connected to the middle of the right side of the upper end surface of the workbench, a lifting rod is slidably connected to the slide rail, and two plug rods are slidably connected to the front and rear ends of the left side of the lifting rod, the two plug rods are plugged with two groove blocks, the lower end of the two groove blocks is fixedly connected to a lifting frame, a plurality of counterweight blocks are arranged on the inner side of the lifting frame, and a locking anti-splash mechanism for intercepting elevator buffer fragments is arranged on the workbench; The locking anti-splash mechanism includes a protection box fixedly connected to the middle part of the upper end surface of the workbench, cover plates are slidably connected to both sides of the upper end surface of the protection box, a connecting rod is rotatably provided in the middle part of the front end surface of the cover plate, a connecting block is rotatably provided at one end of the connecting rod, a sliding rod is slidably connected to the middle part of the connecting block, the upper end of the sliding rod is fixedly connected to the protection box, and the lower end of the sliding rod is fixedly connected to the workbench, a spring is sleeved on the sliding rod, the upper end of the spring is fixedly connected to the lower end of the connecting block, and the lower end of the spring is fixedly connected to the workbench, an insertion rod is slidably connected to the middle part of the front end of the protection box, and the insertion rod is plugged into the connecting block.

[0008] Preferably, a clamping plate is slidably connected to the middle of the lower end surface of the inner cavity of the lifting frame, and a threaded rod three is threadedly connected to the lower end of the clamping plate, and both ends of the threaded rod three are rotatably arranged on the lifting frame.

[0009] Preferably, a motor 1 is fixedly connected to the upper end surface of the slide rail, a threaded rod 1 is fixedly connected to the output end of the motor 1, and both upper and lower ends of the threaded rod 1 are rotatably arranged on the slide rail.

[0010] Preferably, a threaded rod 2 is rotatably provided at the upper left end of the lifting rod, and the threaded rod 2 is threadedly connected to a threaded block, and connecting rod 2 is rotatably provided at both front and rear ends of one side of the threaded block, one end of the connecting rod 2 is rotatably connected to one end of the insertion rod 2, and a motor 3 is fixedly connected to the middle part of the upper left end of the lifting rod, and the output end of the motor 3 is fixedly connected to the upper end of the threaded rod 2.

[0011] Preferably, an electric push rod is fixedly connected to the middle of the front side of the protection box, the piston end of the electric push rod is fixedly connected to the front end of the insertion rod, and an infrared sensor is provided on the upper side of the rear end surface of the inner cavity of the protection box, and the infrared sensor is electrically connected to the electric push rod.

[0012] Preferably, a plug rod three is fixedly connected to the right side of the upper end surface of the left cover plate, and a groove block one is fixedly connected to the middle of the left side of the upper end surface of the right cover plate.

[0013] Preferably, two sliding rods 2 are slidably connected to the right side of the upper end of the groove block 1, and the lower ends of the sliding rods 2 are fixedly connected to the fastening blocks. A spring 2 is sleeved on the lower side of the rear sliding rod 2, and the upper ends of the springs 2 are fixedly connected to the upper end of the groove block 1, and the lower ends of the springs 2 are fixedly connected to one side of the upper end surface of the fastening block.

[0014] Preferably, a second motor is fixedly connected to the middle of the front side of the workbench, and an output end of the second motor is fixedly connected to the flip plate.

[0015] Preferably, a display screen is provided at the front end of the left side of the upper end surface of the workbench, an industrial camera is fixedly connected to the middle of the left side of the upper end surface of the workbench, and the industrial camera is electrically connected to the display screen.

[0016] A method for detecting performance of an elevator buffer with gravity adjustment comprises the following specific steps: S1. Place different numbers of counterweights inside the lifting frame, then manually rotate the threaded rod to drive the clamping plate to move horizontally, and use the clamping plate to tighten and fix the counterweights; S2. Install the elevator buffer to be tested on the flip plate. After placing a suitable number of counterweights in the lifting frame, start the motor to drive the threaded rod to rotate, so that the lifting rod slides upward; S3, when the lifting rod is at a suitable height, the two plug rods on both sides are driven to extend out from the two groove blocks. At this time, the lifting frame loses the connection of the two plug rods and falls into the protective box under the action of gravity. When the protective box passes the infrared sensor, the infrared sensor transmits the detected signal to the electric push rod, and the electric push rod drives the plug rod to slide, and the end of the plug rod slides out from the middle of the connecting block, and the spring changes from the tension state to the compression state. When the spring changes, the connecting block slides downward along the sliding rod, and the connecting rods on both sides rotate in different directions at the same time. The connecting rod drives the cover plates on both sides to slide in different directions at the same time, and the two cover plates fit together to cover the upper end of the protective box, so that the fragments and counterweight blocks splashed by the collision are intercepted inside the protective box; S4. When the two cover plates are fitted together, the insertion rod 3 is inserted into the groove block 1, and the end of the insertion rod 3 contacts the fastening block, pushing the fastening block upward, and the spring 2 is compressed until the fastening block is aligned with the groove of the insertion rod 3. The fastening block is reset under the action of the spring 2 and inserted into the groove of the insertion rod 3 to achieve locking; S5. The display screen can be used to display the images taken by the industrial camera. Through analysis, the performance data of the elevator buffer can be obtained. When the lifting frame inside the protective box needs to be taken out, it is only necessary to pull up the fastening block and the connecting block, and drive the flip plate to flip so that the fragments in the inner cavity of the protective box can fall out.

[0017] The beneficial effects of the present invention are as follows: 1. The elevator buffer performance detection device and detection method with gravity adjustment described in the present invention, by placing different numbers of counterweights inside the lifting frame, and then manually rotating the threaded rod to drive the clamping plate to move horizontally, and using the clamping plate to press and fix the counterweights, thereby realizing the adjustment of the weight of the lifting frame, and then the performance data of the elevator buffer under different gravity can be obtained, ensuring the comprehensiveness of the detection.

[0018] 2. The elevator buffer performance detection device and detection method with gravity adjustment described in the present invention utilizes a locking anti-splash mechanism to drive the two cover plates to approach each other until they fit together when the lifting frame hits the elevator buffer, so as to cover the upper end of the protection box, and intercept the fragments and counterweight blocks splashed due to the impact inside the protection box, thereby avoiding the situation where the fragments or counterweight blocks splash and injure the surrounding personnel, and at the same time, it also avoids the damage of the remaining parts of the entire device due to the impact, and when the two cover plates are closed, the insertion rod three is inserted into the groove block one, and the end of the insertion rod three contacts with the fastening block, and the fastening block is moved to The upper part is lifted up, and the spring two is compressed until the fastening block is aligned with the groove of the plug rod three. The fastening block is reset under the action of the spring two and inserted into the groove of the plug rod three to achieve locking, thereby effectively avoiding the situation where the counterweight block still flies out due to hitting the gap between the two cover plates, further improving the safety. Moreover, after the performance test of a single elevator buffer is completed, the motor two can be used to drive the flip plate to rotate 180 degrees, so that the flip plate can be flipped, so that the fragments in the inner cavity of the protective box can fall out, thereby ensuring the cleanliness of the inner cavity of the protective box and facilitating the installation of the elevator buffer for subsequent performance testing. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The present invention will be further described below in conjunction with the accompanying drawings.

[0020] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention; Figure 2 It is a schematic diagram of the local three-dimensional structure of the protection box; Figure 3 yes Figure 2 A partial enlarged view of the middle part; Figure 4 It is a schematic diagram of the local three-dimensional structure of the lifting frame; Figure 5 yes Figure 4 A partial enlarged view of point B in the middle; Figure 6 It is a schematic diagram of the local three-dimensional structure of the three parts of the insertion rod; Figure 7 It is a schematic diagram of the local three-dimensional structure at the bottom of the workbench; Figure 8 It is a schematic diagram of the local three-dimensional structure at the flip plate.

[0021] In the figure: 1. workbench; 2. threaded rod 1; 3. lifting rod; 4. motor 1; 5. cover plate; 6. lifting frame; 7. clamping plate; 8. counterweight block; 9. protective box; 10. motor 2; 11. infrared sensor; 12. connecting rod 1; 13. sliding rod 1; 14. spring 1; 15. plug rod 1; 16. connecting block; 17. electric push rod; 18. motor 3; 19. plug rod 2; 20. threaded rod 2; 21. connecting rod 2; 22. threaded block; 23. plug rod 3; 24. groove block 1; 25. fastening block; 26. sliding rod 2; 27. spring 2; 28. industrial camera; 29. ​​display screen; 30. mounting plate; 31. groove block 2; 32. flip plate; 33. slide rail; 34. threaded rod 3. DETAILED DESCRIPTION

[0022] The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings. 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.

[0023] Please refer to Figure 1-Figure 8 The present invention provides a technical solution: an elevator buffer performance detection device with gravity adjustment, comprising a workbench 1, a flip plate 32 is rotatably arranged in the middle of the workbench 1, a mounting plate 30 is fixedly connected to the middle of the upper end surface of the flip plate 32, the mounting plate 30 is used to install the elevator buffer, a slide rail 33 is fixedly connected to the middle of the right side of the upper end surface of the workbench 1, a lifting rod 3 is slidably connected to the slide rail 33, and a plug rod 19 is slidably connected to both the front and rear ends of the left side of the lifting rod 3, the plug rod 19 is plugged with a groove block 31, the lower end of the groove block 31 is fixedly connected to a lifting frame 6, a plurality of counterweight blocks 8 are arranged on the inner side of the lifting frame 6, and a locking anti-splash mechanism for intercepting elevator buffer fragments is arranged on the workbench 1; The locking splash-proof mechanism includes a protection box 9 fixedly connected to the middle part of the upper end surface of the workbench 1, and a cover plate 5 is slidably connected to both sides of the upper end surface of the protection box 9. A connecting rod 12 is rotatably provided in the middle part of the front end surface of the cover plate 5, and a connecting block 16 is rotatably provided at one end of the connecting rod 12. A sliding rod 13 is slidably connected to the middle part of the connecting block 16. The upper end of the sliding rod 13 is fixedly connected to the protection box 9, and the lower end of the sliding rod 13 is fixedly connected to the workbench 1. A spring 14 is sleeved on the sliding rod 13, and the upper end of the spring 14 is fixedly connected to the lower end of the connecting block 16, and the lower end of the spring 14 is fixedly connected to the workbench 1. A plug rod 15 is slidably connected to the middle part of the front end of the protection box 9, and the plug rod 15 is plugged into the connecting block 16.

[0024] In this embodiment, Figure 1 and Figure 4As shown, a clamping plate 7 is slidably connected to the middle of the lower end surface of the inner cavity of the lifting frame 6, and a threaded rod 34 is threadedly connected to the lower end of the clamping plate 7, and both ends of the threaded rod 34 are rotatably arranged on the lifting frame 6; Specifically, by placing different numbers of counterweights 8 inside the lifting frame 6, and then manually rotating the threaded rod 34 to drive the clamping plate 7 to move horizontally, the counterweights 8 are pressed and fixed by the clamping plate 7, thereby achieving the adjustment of the weight of the lifting frame 6, and then the performance data of the elevator buffer under different gravity can be obtained, thereby ensuring the comprehensiveness of the detection.

[0025] In this embodiment, Figure 1-Figure 3 , Figure 5-Figure 8 As shown, the upper end surface of the slide rail 33 is fixedly connected to a motor 4, the output end of the motor 4 is fixedly connected to a threaded rod 2, and the upper and lower ends of the threaded rod 2 are rotatably arranged on the slide rail 33; A threaded rod 20 is rotatably provided at the upper left end of the lifting rod 3, and the threaded rod 20 is threadedly connected to a threaded block 22. Both front and rear ends of one side of the threaded block 22 are rotatably provided with a connecting rod 21, and one end of the connecting rod 21 is rotatably connected to one end of the plug rod 2 19. A motor 3 18 is fixedly connected to the middle of the upper left end of the lifting rod 3, and the output end of the motor 3 18 is fixedly connected to the upper end of the threaded rod 20; An electric push rod 17 is fixedly connected to the middle of the front side of the protection box 9, and the piston end of the electric push rod 17 is fixedly connected to the front end of the plug rod 15. An infrared sensor 11 is arranged on the upper side of the rear end surface of the inner cavity of the protection box 9, and the infrared sensor 11 is electrically connected to the electric push rod 17; A plug rod 3 23 is fixedly connected to the right side of the upper end surface of the left cover plate 5, and a groove block 1 24 is fixedly connected to the middle of the left side of the upper end surface of the right cover plate 5; Two slide bars 26 are slidably connected to the right side of the upper end of the groove block 1 24, and the lower end of the slide bar 26 is fixedly connected to the fastening block 25. A spring 27 is sleeved on the lower side of the rear slide bar 26, and the upper end of the spring 27 is fixedly connected to the upper end of the groove block 1 24, and the lower end of the spring 27 is fixedly connected to one side of the upper end surface of the fastening block 25; A second motor 10 is fixedly connected to the middle of the front side of the workbench 1, and the output end of the second motor 10 is fixedly connected to the flip plate 32; A display screen 29 is provided at the front end of the left side of the upper end surface of the workbench 1, and an industrial camera 28 is fixedly connected to the middle of the left side of the upper end surface of the workbench 1, and the industrial camera 28 is electrically connected to the display screen 29; Specifically, the elevator buffer is the last important protective device in the elevator pit. When the elevator exceeds the bottom or top limit position due to a malfunction or other reasons, the buffer can absorb or consume the kinetic energy and potential energy of the elevator, effectively preventing the elevator from colliding. During the production process of the elevator buffer, there may be potential problems with the product due to factors such as materials, processes, and the environment. Through performance testing, these problems can be discovered in time, and corresponding measures can be taken to repair or improve them, so as to prevent problematic products from entering the market. When the existing elevator buffer performance testing device is used, it first lifts the lifting frame 6 to a certain height, and then makes the lifting frame 6 lose traction, causing it to fall under the action of its own gravity and hit Elevator buffer, at the same time, the industrial camera 28 is used to shoot the entire impact process, and the performance data of the elevator buffer is obtained by analyzing the video. However, when the elevator buffer is hit, fragments may fly. In the prior art, although a protective frame is used to protect the industrial camera 28, the components of the entire device other than the industrial camera 28 may also be hit by the fragments, and even if the counterweight 8 is clamped, the counterweight 8 in the lifting frame 6 may fly out due to excessive impact force. This may be caused by insufficient clamping force. When the fragments or the counterweight 8 fly out, it is not only easy to injure surrounding personnel, but also may cause damage to the components of the entire device, affecting subsequent use; Therefore, in order to solve the above problem, when the present embodiment is in use, the elevator buffer to be detected is installed on the flip plate 32. After a suitable number of counterweight blocks 8 are placed in the lifting frame 6, the motor 14 is started to drive the threaded rod 12 to rotate, so that the lifting rod 3 slides upward. When the lifting rod 3 is at a suitable height, the motor 3 18 drives the threaded rod 20 to rotate, so that the threaded block 22 rises. The threaded block 22 drives the connecting rods 21 on both sides to rotate at the same time. The connecting rod 21 drives the plug rod 2 19 to slide on the lifting rod 3 until the plug rod 19 extends out of the groove block 2 31. At this time, the lifting frame 6 loses the insertion of the plug rod 2 19 and falls into the protective box 9 under the action of gravity. When the protective box 9 passes the infrared sensor 11, the infrared sensor 11 transmits the detected signal to the infrared sensor 11. The electric push rod 17 drives the plug rod 15 to slide, and the end of the plug rod 15 slides out from the middle of the connecting block 16, and the spring 14 changes from a stretched state to a compressed state. When the spring 14 changes, the connecting block 16 slides downward along the slide rod 13, so that the connecting rods 12 on both sides can rotate in different directions at the same time, and the connecting rods 12 drive the cover plates 5 on both sides to slide in different directions at the same time until the two cover plates 5 fit together to cover the upper end of the protection box 9, and before the lifting frame 6 contacts the elevator buffer, the two cover plates 5 can fit together, so that the fragments and the counterweight block 8 splashed due to the collision can be intercepted inside the protection box 9, avoiding the situation where the fragments or the counterweight block 8 splash and injure the surrounding personnel, and at the same time, it also avoids the damage of the remaining parts of the whole device due to the collision; When the two cover plates 5 are closed, if the counterweight 8 flies out, the counterweight 8 may hit the gap at the joint of the two cover plates 5, causing the counterweight 8 to still fly out. Therefore, when the two cover plates 5 are fitted together, the insertion rod 3 23 is inserted into the groove block 1 24, and the end of the insertion rod 3 23 contacts the fastening block 25, pushing the fastening block 25 upward, and the spring 27 is compressed until the fastening block 25 is aligned with the groove of the insertion rod 3 23. The fastening block 25 is reset under the action of the spring 27 and inserted into the groove of the insertion rod 3 23 to achieve locking, thereby effectively avoiding the counterweight 8 from hitting the gap at the joint of the two cover plates 5, causing the counterweight 8 to still fly out, further improving safety; The display screen 29 can be used to display the images captured by the industrial camera 28. The performance data of the elevator buffer can be obtained through analysis. When the lifting frame 6 inside the protective box 9 needs to be taken out, it is only necessary to pull up the fastening block 25 and the connecting block 16. Since some fragments of the elevator buffer may remain inside the protective box 9, these fragments will have an adverse effect on the use of subsequent devices, for example, it is inconvenient to install the elevator buffer. Therefore, after the detection work is completed, the motor 2 10 can be used to drive the flip plate 32 to rotate 180 degrees, so that the flip plate 32 is flipped, and the fragments in the inner cavity of the protective box 9 can fall out, ensuring the cleanliness of the inner cavity of the protective box 9, which is convenient for subsequent use. Thus, by utilizing the locking anti-splash mechanism, when the lifting frame 6 hits the elevator buffer, the two cover plates 5 can be driven to approach each other until they fit together, so as to cover the upper end of the protection box 9, and the fragments and the counterweight block 8 splashed due to the impact can be intercepted inside the protection box 9, thereby preventing the fragments or the counterweight block 8 from splashing and injuring the surrounding personnel. At the same time, it also prevents the remaining parts of the entire device from being damaged due to the impact. Moreover, when the two cover plates 5 are closed, the insertion rod 3 23 is inserted into the groove block 1 24, and the end of the insertion rod 3 23 contacts the fastening block 25, pushing the fastening block 25 upward, and the spring 27 is compressed until the fastening block 2 When the fastening block 25 is aligned with the groove of the insertion rod 3 23, the fastening block 25 is reset under the action of the spring 27 and inserted into the groove of the insertion rod 3 23 to achieve locking, thereby effectively avoiding the situation where the counterweight block 8 still flies out due to the collision of the counterweight block 8 with the gap at the joint of the two cover plates 5, further improving the safety. In addition, after the performance test of a single elevator buffer is completed, the motor 2 10 can be used to drive the flip plate 32 to rotate 180 degrees, so that the flip plate 32 is flipped, and the debris in the inner cavity of the protection box 9 can be dropped out, thereby ensuring the cleanliness of the inner cavity of the protection box 9 and facilitating the installation of the elevator buffer for subsequent performance testing.

[0026] A method for detecting performance of an elevator buffer with gravity adjustment comprises the following specific steps: S1. Place different numbers of counterweights 8 inside the lifting frame 6, then manually rotate the threaded rod 34 to drive the clamping plate 7 to move horizontally, and use the clamping plate 7 to press and fix the counterweights 8; S2. Install the elevator buffer to be tested on the flip plate 32. After placing a suitable number of counterweights 8 in the lifting frame 6, start the motor 4 to drive the threaded rod 2 to rotate, so that the lifting rod 3 slides upward; S3, when the lifting rod 3 is at a suitable height, the plug rods 19 on both sides are driven to extend out from the groove block 2 31. At this time, the lifting frame 6 loses the insertion of the plug rod 19 and falls into the protective box 9 under the action of gravity. When the protective box 9 passes the infrared sensor 11, the infrared sensor 11 transmits the detected signal to the electric push rod 17, and the electric push rod 17 drives the plug rod 15 to slide, and the end of the plug rod 15 slides out from the middle of the connecting block 16, and the spring 14 changes from a stretched state to a compressed state. When the spring 14 changes, the connecting block 16 slides downward along the slide rod 13, and the connecting rods 12 on both sides rotate in different directions at the same time. The connecting rods 12 drive the cover plates 5 on both sides to slide in different directions at the same time, and the two cover plates 5 fit together to cover the upper end of the protective box 9, and intercept the fragments and the counterweight block 8 splashed by the collision inside the protective box 9; S4, when the two cover plates 5 are fitted together, the insertion rod 3 23 is inserted into the groove block 1 24, and the end of the insertion rod 3 23 contacts the fastening block 25, pushing the fastening block 25 upward, and the spring 27 is compressed until the fastening block 25 is aligned with the groove of the insertion rod 3 23. The fastening block 25 is reset under the action of the spring 27 and inserted into the groove of the insertion rod 3 23 to achieve locking; S5. The display screen 29 can be used to display the images captured by the industrial camera 28. The performance data of the elevator buffer can be obtained through analysis. When the lifting frame 6 inside the protective box 9 needs to be taken out, it is only necessary to pull up the fastening block 25 and the connecting block 16, and drive the flip plate 32 to flip so that the fragments in the inner cavity of the protective box 9 can fall out.

[0027] Working principle: different numbers of counterweights 8 are placed inside the lifting frame 6, and then the threaded rod 3 34 is manually rotated to drive the clamping plate 7 to move horizontally, and the counterweights 8 are pressed and fixed by the clamping plate 7; the elevator buffer to be tested is installed on the flip plate 32, and when a suitable number of counterweights 8 are placed in the lifting frame 6, the motor 14 is started to drive the threaded rod 12 to rotate, so that the lifting rod 3 slides upward; when the lifting rod 3 is at a suitable height, the plug rods 19 on both sides are driven to extend out of the groove block 2 31. At this time, the lifting frame 6 loses the insertion of the plug rod 19 and falls into the protection box 9 under the action of gravity. When the protection box 9 passes the infrared sensor 11, the infrared sensor 11 transmits the detected signal to the electric push rod 17, and the electric push rod 17 drives the plug rod 15 to slide, and the end of the plug rod 15 slides out from the middle of the connecting block 16, and the spring 14 changes from a stretched state to a compressed state. When the spring 14 changes, the connecting block 16 slides downward along the slide rod 13, The connecting rods 12 on both sides rotate in different directions at the same time, and the connecting rods 12 drive the cover plates 5 on both sides to slide in different directions at the same time. The two cover plates 5 fit together to cover the upper end of the protection box 9, and intercept the fragments and counterweight block 8 splashed by the collision inside the protection box 9; when the two cover plates 5 fit together, the plug rod 3 23 is inserted into the groove block 1 24, and the end of the plug rod 3 23 contacts the fastening block 25, and the fastening block 25 is pushed up, and the spring 27 is compressed until the fastening block 25 is aligned with the groove of the plug rod 3 23, and the fastening block 25 is reset under the action of the spring 27, and is inserted into the groove of the plug rod 3 23 to achieve locking; the display screen 29 can be used to display the picture taken by the industrial camera 28, and the performance data of the elevator buffer can be obtained by analysis. When it is necessary to take out the lifting frame 6 inside the protection box 9, it is only necessary to pull up the fastening block 25 and the connecting block 16, and drive the flip plate 32 to flip, so that the fragments in the inner cavity of the protection box 9 can fall out.

[0028] The above shows and describes the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. An elevator buffer performance detection device with gravity adjustment, comprising a workbench (1), characterized in that: A flip plate (32) is rotatably arranged in the middle of the workbench (1), a mounting plate (30) is fixedly connected to the middle of the upper end surface of the flip plate (32), and the mounting plate (30) is used to install an elevator buffer. A slide rail (33) is fixedly connected to the middle of the right side of the upper end surface of the workbench (1), and a lifting rod (3) is slidably connected to the slide rail (33). Both the front and rear ends of the left side of the lifting rod (3) are slidably connected to a second plug rod (19), and the second plug rod (19) is plugged with a second groove block (31). The lower end of the second groove block (31) is fixedly connected to a lifting frame (6), and a plurality of counterweight blocks (8) are arranged on the inner side of the lifting frame (6). A locking anti-splash mechanism for intercepting elevator buffer fragments is arranged on the workbench (1); The locking anti-splash mechanism comprises a protection box (9) fixedly connected to the middle part of the upper end surface of the workbench (1), the upper end surface of the protection box (9) is slidably connected to a cover plate (5) on both sides, a connecting rod (12) is rotatably provided in the middle part of the front end surface of the cover plate (5), one end of the connecting rod (12) is rotatably provided with a connecting block (16), the middle part of the connecting block (16) is slidably connected with a sliding rod (13), the upper end of the sliding rod (13) is fixedly connected to the protection box (9), the lower end of the sliding rod (13) is fixedly connected to the workbench (1), a spring (14) is sleeved on the sliding rod (13), the upper end of the spring (14) is fixedly connected to the lower end of the connecting block (16), the lower end of the spring (14) is fixedly connected to the workbench (1), and the middle part of the front end of the protection box (9) is slidably connected with an insertion rod (15), and the insertion rod (15) is plugged into the connecting block (16).

2. The elevator buffer performance detection device with gravity adjustment according to claim 1, characterized in that: A clamping plate (7) is slidably connected to the middle of the lower end surface of the inner cavity of the lifting frame (6), and a threaded rod three (34) is threadedly connected to the lower end of the clamping plate (7), and both ends of the threaded rod three (34) are rotatably arranged on the lifting frame (6).

3. The elevator buffer performance detection device with gravity adjustment according to claim 1, characterized in that: The upper end surface of the slide rail (33) is fixedly connected to a motor 1 (4), the output end of the motor 1 (4) is fixedly connected to a threaded rod 1 (2), and the upper and lower ends of the threaded rod 1 (2) are rotatably arranged on the slide rail (33).

4. The elevator buffer performance detection device with gravity adjustment according to claim 1, characterized in that: A threaded rod 2 (20) is rotatably provided at the upper left end of the lifting rod (3), and the threaded rod 2 (20) is threadedly connected to a threaded block (22). A connecting rod 2 (21) is rotatably provided at both front and rear ends of one side of the threaded block (22), and one end of the connecting rod 2 (21) is rotatably connected to one end of the plug rod 2 (19). A motor 3 (18) is fixedly connected to the middle of the upper left end of the lifting rod (3), and the output end of the motor 3 (18) is fixedly connected to the upper end of the threaded rod 2 (20).

5. The elevator buffer performance detection device with gravity adjustment according to claim 1, characterized in that: An electric push rod (17) is fixedly connected to the middle of the front side of the protection box (9); the piston end of the electric push rod (17) is fixedly connected to the front end of the insertion rod (15); an infrared sensor (11) is arranged on the upper side of the rear end surface of the inner cavity of the protection box (9); the infrared sensor (11) is electrically connected to the electric push rod (17).

6. The elevator buffer performance detection device with gravity adjustment according to claim 1, characterized in that: A third insertion rod (23) is fixedly connected to the right side of the upper end surface of the left cover plate (5), and a first groove block (24) is fixedly connected to the middle part of the left side of the upper end surface of the right cover plate (5).

7. The elevator buffer performance detection device with gravity adjustment according to claim 6, characterized in that: The right side of the upper end of the groove block 1 (24) is slidably connected to two slide bars 2 (26), the lower end of the slide bar 2 (26) is fixedly connected to a fastening block (25), and a spring 2 (27) is sleeved on the lower side of the rear slide bar 2 (26), the upper end of the spring 2 (27) is fixedly connected to the upper end of the groove block 1 (24), and the lower end of the spring 2 (27) is fixedly connected to one side of the upper end surface of the fastening block (25).

8. The elevator buffer performance detection device with gravity adjustment according to claim 1, characterized in that: A second motor (10) is fixedly connected to the middle of the front side of the workbench (1), and an output end of the second motor (10) is fixedly connected to the flip plate (32).

9. The elevator buffer performance detection device with gravity adjustment according to claim 1, characterized in that: A display screen (29) is provided at the front end of the left side of the upper end surface of the workbench (1), and an industrial camera (28) is fixedly connected to the middle of the left side of the upper end surface of the workbench (1), and the industrial camera (28) is electrically connected to the display screen (29).

10. A method for detecting performance of an elevator buffer with gravity adjustment, characterized in that: The detection device according to any one of claims 1 to 9 is used for detection, comprising the following specific steps: S1. Place different numbers of counterweights (8) inside the lifting frame (6), then manually rotate the threaded rod 3 (34) to drive the clamping plate (7) to move horizontally, and use the clamping plate (7) to press and fix the counterweights (8); S2. The elevator buffer to be tested is mounted on the flip plate (32). After a suitable number of counterweights (8) are placed in the lifting frame (6), the motor 1 (4) is started to drive the threaded rod 1 (2) to rotate, so that the lifting rod (3) slides upward; S3. When the lifting rod (3) is at a suitable height, the two insertion rods (19) on both sides are driven to extend out of the groove block (31). At this time, the lifting frame (6) loses the insertion of the two insertion rods (19) and falls into the protection box (9) under the action of gravity. When the protection box (9) passes the infrared sensor (11), the infrared sensor (11) transmits the detected signal to the electric push rod (17), and the electric push rod (17) drives the insertion rod (15) to slide, and the insertion rod (15) The end slides out from the middle of the connecting block (16), and the spring 1 (14) changes from a tension state to a compression state. When the spring 1 (14) changes, the connecting block (16) slides downward along the slide rod 1 (13), and the connecting rods 1 (12) on both sides rotate in different directions at the same time. The connecting rods 1 (12) drive the cover plates (5) on both sides to slide in different directions at the same time. The two cover plates (5) fit together to cover the upper end of the protection box (9), so that the fragments and the counterweight block (8) splashed by the collision are intercepted inside the protection box (9); S4. When the two cover plates (5) are fitted together, the insertion rod three (23) is inserted into the groove block one (24), and the end of the insertion rod three (23) contacts the fastening block (25), pushing the fastening block (25) upward, and the spring two (27) is compressed until the fastening block (25) is aligned with the groove of the insertion rod three (23). The fastening block (25) is reset under the action of the spring two (27) and inserted into the groove of the insertion rod three (23), thereby achieving locking; S5. The display screen (29) can be used to display the images captured by the industrial camera (28). By analyzing the images, the performance data of the elevator buffer can be obtained. When the lifting frame (6) inside the protective box (9) needs to be taken out, it is only necessary to pull up the fastening block (25) and the connecting block (16), and drive the flip plate (32) to flip so that the fragments in the inner cavity of the protective box (9) can fall out.

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