Suspension bridge sling connecting pin shaft sleeve friction force and hardness detection device and use method thereof

Abstract

The invention relates to the field of detection, and discloses a friction force and hardness detection device for a suspension bridge sling connecting pin shaft sleeve and a use method thereof. A suspension bridge sling connecting pin shaft sleeve friction force and hardness detection device comprises an equipment body, hardness detection equipment is arranged at the upper end of the equipment body, a protection plate carrying plate is arranged on the side face of the hardness detection equipment, and an annular carrying plate is arranged at the position, adjacent to the hardness detection equipment, of the upper end of the equipment body. A plurality of screw rod handles are in threaded connection with the interior of the annular carrying plate, then a worker holds the handles by hand, pulls the movable protection plate upwards, and then inserts fixing screws into the protection plate carrying plate again after moving the movable protection plate to an initial position, so that the stability between equipment is ensured; by using the structure, the safety of a worker using the device is conveniently ensured, fragments are prevented from being outburst, the connection between the sling pin shaft sleeve and the friction force detection assembly is conveniently ensured, and the detection accuracy is ensured.

Description

Technical Field

[0001] The present invention belongs to the technical field of detection, and particularly relates to a friction and hardness detection device for the connecting pin and bushing of a suspension bridge sling and its usage method. Background Art

[0002] The friction and hardness detection device for the pin and bushing of a suspension bridge sling can provide accurate friction and hardness detection data, helping engineers accurately evaluate the performance and condition of the pin and bushing of the sling. This device can simultaneously detect two key parameters, friction and hardness, comprehensively evaluate the quality of the pin and bushing of the sling, and provide a comprehensive reference for subsequent maintenance and improvement. Using this device can quickly perform friction and hardness detections, improve work efficiency, and save time costs. This device adopts advanced detection technologies and equipment, has high reliability and stability, and ensures accurate and reliable test results. In addition to friction and hardness detections, this device may also have other functions, such as data recording, analysis, and report generation, providing more practical value. The friction and hardness detection device for the pin and bushing of a suspension bridge sling has the advantages of accuracy, comprehensiveness, high efficiency, reliability, and multi-functionality, can provide important detection and evaluation support for the engineering field, and helps ensure the safe operation and extend the service life of the pin and bushing of the sling.

[0003] However, in the prior art, there are no corresponding protection measures and no means to adjust and fix sling pins and bushings of different sizes during the use of the friction and hardness detection device for the pin and bushing of a suspension bridge sling. Summary of the Invention

[0004] The purpose of the present invention is to provide a friction and hardness detection device for the connecting pin and bushing of a suspension bridge sling and its usage method to solve the above-mentioned problems of facilitating the guarantee of the safe use of the equipment and adjusting the fixed size of the friction test equipment.

[0005] The technical solution adopted by the present invention is as follows: A friction and hardness detection device for the connecting pin and bushing of a suspension bridge sling, including a device main body. A hardness detection device is arranged at the upper end of the device main body. A guard plate mounting plate is arranged on the side of the hardness detection device. A movable guard plate is slidably connected inside the guard plate mounting plate. A handle is fixedly connected to the lower end of the movable guard plate. A plurality of fixing screws are threadedly connected to the surface of the guard plate mounting plate, and the other ends of the fixing screws pass through the surface of the guard plate mounting plate and are inserted into holes arranged on the surface of the movable guard plate.

[0006] By adopting the above technical solution, during the use of the equipment, when performing a hardness test on the interior of the equipment, the movable protective plate can be used to provide protection for the interior of the hardness testing equipment. When the sling pin bushing breaks during the hardness test, it can prevent debris from directly popping out, protecting the safety of the staff during the inspection operation. During use, remove the fixing screws from the surface of the guard plate mounting plate, and then the staff holds the handle to facilitate the sliding of the movable protective plate inside the guard plate mounting plate. Then, pull the movable protective plate downward. After moving it to the designated position, reinsert the fixing screws into the guard plate mounting plate and then connect them to the holes on the surface of the movable protective plate. When the hardness test is completed, remove the fixing screws from the surface of the guard plate mounting plate, and then the staff holds the handle and pulls the movable protective plate upward. After moving it to the initial position, reinsert the fixing screws into the guard plate mounting plate to ensure the stability and firmness of the equipment. By using this structure, it is convenient to ensure the safety of the staff during the use of the equipment and prevent debris from popping out.

[0007] In a preferred embodiment, a circular mounting plate is provided adjacent to the hardness testing equipment at the upper end of the equipment body. A plurality of screw handles are threadedly connected inside the circular mounting plate. The other end of the screw handle passes through the circular mounting plate and is fixedly connected to a circular clamping plate. A bottom sliding plate is fixedly connected to the lower end of the circular mounting plate. A rectangular bottom plate is fixedly connected to the upper end of the equipment body at the lower end of the circular mounting plate. A chute is opened at the other end of the rectangular bottom plate. One end of the bottom sliding plate away from the circular mounting plate is slidably connected to the hole provided on the surface of the rectangular bottom plate.

[0008] By adopting the above technical solution, during use, the staff can hold the screw handle to control the position of the circular clamping plate, which is convenient for restricting the position of the sling pin bushing placed on the surface of the friction test column, ensuring the stability of the equipment's position, and thus facilitating the friction test of the sling pin bushing and ensuring the accuracy of the equipment test. By setting the sling pin bushing at the upper end of the friction test column and then contacting the circular clamping plate with the sling pin bushing by controlling the screw handle to ensure the stability of the sling pin bushing, and then conveniently controlling the position movement of the upper moving component to perform the friction test on the sling pin bushing. The bottom sliding plate facilitates supporting the position of the circular mounting plate. Through the setting of the rectangular bottom plate, it is convenient to cooperate with the upper moving component for use, facilitating ensuring the position movement of the circular mounting plate to perform the friction test. By using this structure, it is convenient to ensure the connection between the sling pin bushing and the friction detection component and ensure the accuracy of the detection.

[0009] In a preferred embodiment, an operation board is provided inside the hardness testing equipment at the upper end of the equipment body, and a pressure cylinder is provided at the upper end of the hardness testing equipment.

[0010] By adopting the above technical solution, the operation board is convenient for carrying the sling pin bushing that needs to be subjected to hardness detection, facilitating the use of the equipment. The pressure cylinder is convenient for controlling the position movement of the pressure plate, thereby performing hardness testing.

[0011] In a preferred embodiment, a pressure plate is arranged inside the hardness detection equipment. The other end of the pressure plate passes through the hardness detection equipment and is connected to the pressure cylinder. A rear protection plate is arranged on the side of the hardness detection equipment at a position opposite to the guard plate carrying plate.

[0012] By adopting the above technical solution, the pressure plate is convenient for testing the sling pin bushing that needs to be subjected to hardness testing. The rear protection plate ensures the stability inside the hardness detection equipment, facilitating cooperation with the movable protection plate and preventing debris from bursting out during testing inside the equipment.

[0013] In a preferred embodiment, a plurality of sealed doors are arranged on the side of the equipment main body, and a plurality of supporting table legs are fixedly connected to the lower ends of the sealed doors.

[0014] By adopting the above technical solution, the sealed door is convenient for ensuring the sealing performance inside the parts storage box for storing and processing the equipment, facilitating the normal use of the equipment. The supporting table legs are convenient for supporting the position of the equipment, keeping the equipment away from the ground and reducing ground corrosion.

[0015] In a preferred embodiment, a distribution box is arranged on the side of the equipment main body adjacent to the sealed door, a ventilation hole is arranged on the side of the equipment main body adjacent to the distribution box, and an operation console is arranged on the side of the equipment main body on the opposite side of the distribution box.

[0016] By adopting the above technical solution, the distribution box is convenient for the staff to repair the components inside the equipment, ensuring the normal use of the equipment. The ventilation hole is convenient for ventilating the inside of the equipment, and the operation console is convenient for the staff to control the operation of the equipment.

[0017] In a preferred embodiment, a rectangular operation board is fixedly connected to the upper end of the equipment main body adjacent to the hardness detection equipment. A plurality of rectangular carrying boards are fixedly connected to the side of the rectangular operation board. Connecting columns are fixedly connected to the lower ends of the rectangular carrying boards, and the other ends of the connecting columns are fixedly connected to the upper end of the equipment main body. A display screen is arranged on the side of the rectangular operation board adjacent to the rectangular carrying board, and a printing port is arranged at the lower end of the display screen.

[0018] By adopting the above technical solution, the rectangular operation board facilitates the position for carrying the rectangular mounting board, ensuring the normal use of the device. The rectangular mounting board facilitates the sliding of the convex plate. The connecting column facilitates the support of the position of the rectangular mounting board, ensuring the stable connection of the device. The display screen facilitates the display of the data tested by the device, making it convenient for the staff to record. The printing port facilitates the printing of paper data for the staff to use.

[0019] In a preferred embodiment, a groove is provided at the upper end of the rectangular mounting board. A convex plate is slidably connected inside the groove. A wheel assembly is provided at the lower end of the convex plate. A connecting support plate is fixedly connected to the upper end of the convex plate. A rectangular mounting board is fixedly connected to the upper end of the connecting support plate. A data display screen is provided at the upper end of the rectangular mounting board. A data display screen is provided on the side of the data display screen.

[0020] By adopting the above technical solution, the connecting support plate facilitates the position for carrying the rectangular mounting board. Through the wheel assembly provided at the lower end of the convex plate, it is convenient to drive the movement of the moving component, thereby facilitating the friction test on the sling pin bushing. The convex plate is connected to the rectangular mounting board. The rectangular mounting board facilitates the position for carrying the moving component. The data display screen facilitates the display of the data tested by the moving component.

[0021] In a preferred embodiment, a friction test column is fixedly connected to the side of the rectangular operation board at the lower end of the rectangular mounting board. A plurality of slider plates are fixedly connected to the side of the annular mounting board. A connecting rod is fixedly connected to the upper end of the slider plate. The other end of the connecting rod is fixedly connected to the rectangular mounting board.

[0022] By adopting the above technical solution, by placing the sling pin bushing on the friction test column, and then moving the position of the annular mounting board through the moving component, it is convenient to conduct the friction test on the sling pin bushing. The slider plate facilitates the sliding of the annular mounting board in the sliding rod column. The connecting rod facilitates the connection between the slider plate and the rectangular mounting board, ensuring the normal use of the device.

[0023] In a preferred embodiment, a plurality of sliding rod columns are fixedly connected to the side of the rectangular operation board at the adjacent position of the friction test column. The sliding rod columns are slidably connected with slider plates. A sliding rod column support plate is fixedly connected to the upper end of the device body at the adjacent position of the connecting column. The other end of the slider plate is fixedly connected to the sliding rod column support plate.

[0024] By adopting the above technical solution, the sliding rod columns facilitate the cooperation with the slider plates to ensure the normal sliding of the annular mounting board, thereby conducting the friction test. The sliding rod column support plate facilitates the support of the position of the sliding rod columns, ensuring the stable position of the device components.

[0025] The present invention also provides a method for using a device for detecting the friction force and hardness of a suspension bridge sling connecting pin bushing, comprising the steps of: Set the sling pin bushing at the upper end of the friction test column, and then contact the annular clamping plate with the sling pin bushing through the control screw handle to limit the position of the sling pin bushing; Take out the fixing member from the surface of the guard plate carrier plate, and then the staff holds the handle and moves the protection plate to slide inside the guard plate carrier plate, pull the movable protection plate downward, and after moving to the designated position, re-insert the fixing member into the guard plate carrier plate and connect and fix it in the hole on the surface of the movable protection plate; After completing the hardness test, take out the fixing member from the surface of the guard plate carrier plate, pull the movable protection plate upward, and after moving to the initial position, re-insert the fixing member into the guard plate carrier plate.

[0026] In summary, due to the adoption of the above technical solutions, the beneficial effects of the present invention are: In the present invention, during the use of the device, when performing a hardness test on the interior of the device, a movable protective plate can be used to provide protection for the interior of the hardness testing device. This ensures that during the hardness test, when the sling pin bushing breaks down during the hardness test, fragments can be prevented from directly bursting out, protecting the safety of the staff performing the detection operation. During use, the fixing screws are removed from the surface of the guard plate mounting plate, and then the staff holds the handle to facilitate the sliding of the movable protective plate inside the guard plate mounting plate. Then, the movable protective plate is pulled downward, and after moving to the designated position, the fixing screws are re-inserted into the guard plate mounting plate and then connected to the holes on the surface of the movable protective plate. When the hardness test is completed, the fixing screws are removed from the surface of the guard plate mounting plate, and then the staff holds the handle and pulls the movable protective plate upward. After moving to the initial position, the fixing screws are re-inserted into the guard plate mounting plate to ensure the stability and firmness between the devices. By using this structure, it is convenient to ensure the safety of the staff during the use of the device and prevent fragments from bursting out. During use, the staff can hold the screw handle to control the position of the annular clamping plate, facilitating the restriction of the position of the sling pin bushing placed on the surface of the friction test column, ensuring the stability of the device's position, and thus facilitating the friction test of the sling pin bushing to ensure the accuracy of the device test. By setting the sling pin bushing at the upper end of the friction test column and then contacting the annular clamping plate with the sling pin bushing by controlling the screw handle to ensure the stability of the sling pin bushing, and then facilitating the position movement of the upper moving component, the friction test of the sling pin bushing is carried out. The bottom sliding plate facilitates the support of the position of the annular mounting plate. Through the setting of the rectangular bottom plate, it is convenient to cooperate with the moving component arranged at the upper end for use, facilitating the position movement of the annular mounting plate, and thus carrying out the friction test. By using this structure, it is convenient to ensure the connection between the sling pin bushing and the friction detection component and ensure the accuracy of the detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 FIG. is a front view of the structure of the sling pin bushing friction and hardness detection device of the present invention; Figure 2 FIG. is a side view of the structure of the sling pin bushing friction and hardness detection device of the present invention; Figure 3 FIG. is an exploded view of the structure of the sling pin bushing friction and hardness detection device of the present invention; Figure 4 FIG. is a top view of the structure of the sling pin bushing friction and hardness detection device of the present invention; Figure 5 FIG. is a front view of the structure of the sling pin bushing friction detection device of the present invention; Figure 6 FIG. is a detailed connection diagram of the structure of the device moving component of the present invention.

[0028] Markings in the figure: 1. Equipment main body; 2. Support table legs; 3. Sealed door; 4. Operation board; 5. Rear protection board; 6. Hardness testing equipment; 7. Pressure plate; 8. Movable protection board; 9. Handle; 10. Pressure cylinder; 11. Protection board mounting plate; 12. Fixing screw; 13. Rectangular operation board; 14. Display screen; 15. Printing port; 16. Slide bar column; 17. Connecting rod; 18. Movable component; 19. Connecting support plate; 20. Slide block plate; 21. Rectangular mounting plate; 22. Ring-shaped mounting plate; 23. Connecting column; 24. Rectangular bottom plate; 25. Operating platform; 26. Ventilation hole; 27. Distribution box; 28. Friction test column; 29. Slide bar column support plate; 30. Bottom slide plate; 31. Ring-shaped clamping plate; 32. Screw handle; 33. Data display screen; 34. Rectangular mounting plate; 35. Convex plate; 36. Wheel assembly. Detailed implementation manners

[0029] To make the objectives, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0030] Refer to Figure 1-6 , Embodiment

[0031] Refer to Figure 1-4, A device for detecting the friction force and hardness of the pin bushing of a suspension bridge sling connection pin, including a device main body 1. At the upper end of the device main body 1, there is a hardness detection device 6. On the side of the hardness detection device 6, there is a guard plate mounting plate 11. Inside the guard plate mounting plate 11, a movable guard plate 8 is slidably connected. At the lower end of the movable guard plate 8, a handle 9 is fixedly connected. On the surface of the guard plate mounting plate 11, a plurality of fixing screws 12 are threadedly connected. The other end of the fixing screw 12 passes through the surface of the guard plate mounting plate 11 and is inserted into the holes provided on the surface of the movable guard plate 8. During the use of the device, when performing a hardness test on the inside of the device, the movable guard plate 8 can provide a protection measure for the inside of the hardness detection device 6. When the sling pin bushing breaks during the hardness test, it can prevent debris from directly bursting out, protecting the safety of the staff during the detection operation. During use, the fixing screw 12 is removed from the surface of the guard plate mounting plate 11, and then the staff holds the handle 9 to facilitate the sliding of the movable guard plate 8 inside the guard plate mounting plate 11. Then, the movable guard plate 8 is pulled downward. After moving to the designated position, the fixing screw 12 is re-inserted into the guard plate mounting plate 11 and then connected to the hole on the surface of the movable guard plate 8. When the hardness test is completed, the fixing screw 12 is removed from the surface of the guard plate mounting plate 11, and then the staff holds the handle 9 and pulls the movable guard plate 8 upward. After moving to the initial position, the fixing screw 12 is re-inserted into the guard plate mounting plate 11 to ensure the stability of the device. By using this structure, it is convenient to ensure the safety of the staff during the use of the device and prevent debris from bursting out.

[0032] Refer to Figure 1-5 , At the upper end of the device main body 1, adjacent to the hardness detection device 6, there is an annular mounting plate 22. Inside the annular mounting plate 22, a plurality of screw handles 32 are threadedly connected. The other end of the screw handle 32 passes through the annular mounting plate 22 and is fixedly connected to an annular clamping plate 31. At the lower end of the annular mounting plate 22, a bottom sliding plate 30 is fixedly connected. At the upper end of the device main body 1, below the annular mounting plate 22, a rectangular bottom plate 24 is fixedly connected. At the other end of the rectangular bottom plate 24, a chute is provided. The end of the bottom sliding plate 30 away from the annular mounting plate 22 is slidably connected to the hole provided on the surface of the rectangular bottom plate 24. During use, the staff can hold the screw handle 32 to control the position of the annular clamping plate 31, facilitating the restriction of the position of the sling pin bushing placed on the surface of the friction test column 28, ensuring the stability of the device's position, and thus facilitating the friction force test of the sling pin bushing and ensuring the accuracy of the device test.

[0033] By setting the sling pin bushing at the upper end of the friction test column 28, and then using the control screw handle 32 to bring the annular clamping plate 31 into contact with the sling pin bushing to ensure the stability of the sling pin bushing, it is then convenient to control the position movement of the upper moving assembly 18, thereby testing the frictional force on the sling pin bushing. The bottom sliding plate 30 facilitates the support of the position of the annular carrying plate 22. Through the setting of the rectangular bottom plate 24, it is convenient to cooperate with the moving assembly 18 provided at the upper end, facilitating the ensuring of the position movement of the annular carrying plate 22, thereby conducting the frictional force test. By using this structure, it is convenient to ensure the connection between the sling pin bushing and the frictional force detection component, ensuring the accuracy of the detection.

[0034] Refer to Figure 1-4 , inside the hardness testing device 6 at the upper end of the equipment main body 1, there is an operation board 4. At the upper end of the hardness testing device 6, there is a pressure cylinder 10. The operation board 4 facilitates the carrying of the sling pin bushing that needs to be tested for hardness, facilitating the use of the equipment. The pressure cylinder 10 facilitates the control of the position movement of the pressure plate 7, thereby conducting the hardness test.

[0035] Refer to Figure 1-4 , inside the hardness testing device 6, there is a pressure plate 7. The other end of the pressure plate 7 passes through the hardness testing device 6 and is connected to the pressure cylinder 10. On the side of the hardness testing device 6, at the position opposite to the guard plate carrying plate 11, there is a rear protection plate 5. The pressure plate 7 facilitates the testing of the sling pin bushing that needs to be tested for hardness. The rear protection plate 5 ensures the stability inside the hardness testing device 6, facilitating the cooperation with the movable protection plate 8 to prevent debris from popping out during the test inside the equipment.

[0036] Refer to Figure 1-5 , on the side of the equipment main body 1, there are multiple sealing doors 3. At the lower end of the sealing doors 3, there are multiple support table legs 2 fixed. The sealing doors 3 facilitate ensuring the tightness inside the parts storage box for storing the parts used in the equipment processing, facilitating the normal use of the equipment. The support table legs 2 facilitate supporting the position of the equipment, keeping the equipment away from the ground and reducing ground corrosion.

[0037] Refer to Figure 1-3 , on the side of the equipment main body 1, adjacent to the sealing doors 3, there is a distribution box 27. On the side of the equipment main body 1, adjacent to the distribution box 27, there is a ventilation hole 26. On the side of the equipment main body 1, on the opposite side of the distribution box 27, there is an operation table 25. The distribution box 27 facilitates the staff to repair the components inside the equipment, ensuring the normal use of the equipment. The ventilation hole 26 facilitates ventilation inside the equipment. The operation table 25 facilitates the staff to control the operation of the equipment.

[0038] Refer to Figure 1-5, at the upper end of the device main body 1 adjacent to the hardness testing device 6, a rectangular operation board 13 is fixedly connected. On the side of the rectangular operation board 13, a plurality of rectangular mounting boards 21 are fixedly connected. At the lower end of the rectangular mounting board 21, a connecting column 23 is fixedly connected, and the other end of the connecting column 23 is fixedly connected to the upper end of the device main body 1. On the side of the rectangular operation board 13 adjacent to the rectangular mounting board 21, a display screen 14 is provided. At the lower end of the display screen 14, a printing port 15 is provided. The rectangular operation board 13 facilitates the position for mounting the rectangular mounting board 21 to ensure the normal use of the device. The rectangular mounting board 21 facilitates the sliding of the convex plate 35. The connecting column 23 facilitates supporting the position of the rectangular mounting board 21 to ensure the stable connection of the device. The display screen 14 is convenient for displaying the data tested by the device, facilitating the staff to record. The printing port 15 is convenient for printing out paper data for the staff to use.

[0039] Refer to Figure 1-6 , at the upper end of the rectangular mounting board 21, a groove is provided. Inside the groove, a convex plate 35 is slidably connected. At the lower end of the convex plate 35, a wheel assembly 36 is provided. At the upper end of the convex plate 35, a connecting support plate 19 is fixedly connected. At the upper end of the connecting support plate 19, a rectangular mounting board 34 is fixedly connected. At the upper end of the rectangular mounting board 34, a data display screen 33 is provided. On the side of the data display screen 33, a data display screen 33 is provided. The connecting support plate 19 facilitates mounting the position of the rectangular mounting board 34. Through the wheel assembly 36 provided at the lower end of the convex plate 35, it is convenient to drive the movement of the position of the moving assembly 18, so as to facilitate the friction test of the sling pin bushing. The convex plate 35 connects the rectangular mounting board 34, and the rectangular mounting board 34 facilitates mounting the position of the moving assembly 18. The data display screen 33 is convenient for displaying the data tested by the moving assembly 18.

[0040] Refer to Figure 1-5 , at the lower end of the rectangular mounting board 21 on the side of the rectangular operation board 13, a friction test column 28 is fixedly connected. On the side of the annular mounting board 22, a plurality of slider plates 20 are fixedly connected. At the upper end of the slider plate 20, a connecting rod 17 is fixedly connected, and the other end of the connecting rod 17 is fixedly connected to the rectangular mounting board 34. By placing the sling pin bushing on the friction test column 28, and then moving the position of the annular mounting board 22 through the moving assembly 18, it is convenient to conduct a friction test on the sling pin bushing. The slider plate 20 facilitates the sliding of the annular mounting board 22 in the sliding rod column 16. The connecting rod 17 facilitates connecting the slider plate 20 and the rectangular mounting board 34, facilitating the normal use of the device.

[0041] Refer to Figure 1-5, on the side of the rectangular operation panel 13 adjacent to the friction test column 28, a plurality of slide rod columns 16 are fixedly connected. The slide rod columns 16 are slidably connected with a slider plate 20. At the upper end of the device main body 1, a slide rod column support plate 29 is fixedly connected adjacent to the connecting column 23. The other end of the slider plate 20 is fixedly connected to the slide rod column support plate 29. The slide rod columns 16 facilitate the cooperation with the slider plate 20 to ensure that the annular mounting plate 22 can slide normally, so as to conduct the friction force test. The slide rod column support plate 29 facilitates the support of the position of the slide rod columns 16 and ensures the stable position of the device components.

[0042] A method for using a device for detecting the friction force and hardness of a suspension bridge sling connection pin bushing, comprising the steps: Set the sling pin bushing at the upper end of the friction test column, and then contact the annular clamping plate with the sling pin bushing through the control screw handle to limit the position of the sling pin bushing; Take out the fixing piece from the surface of the guard plate mounting plate, and then the staff holds the handle and moves the protective plate to slide inside the guard plate mounting plate, pull the movable protective plate downward, and after moving to the specified position, re-insert the fixing piece into the guard plate mounting plate and connect the holes on the surface of the movable protective plate for fixing; After completing the hardness test, take out the fixing piece from the surface of the guard plate mounting plate, pull the movable protective plate upward, and after moving to the initial position, re-insert the fixing piece into the guard plate mounting plate.

[0043] The implementation principle of the embodiment of the device for detecting the friction force and hardness of a suspension bridge sling connection pin bushing of the present invention is as follows: During the use of the device, when performing a hardness test on the inside of the device by using the movable protective plate 8, a protection measure can be provided for the inside of the hardness detection device 6, ensuring that when the sling pin bushing collapses during the hardness test, fragments can be prevented from directly popping out, protecting the safety of the staff during the detection operation. During use, take out the fixing screw 12 from the surface of the guard plate mounting plate 11, and then the staff holds the handle 9 to facilitate the movement of the movable protective plate 8 to slide inside the guard plate mounting plate 11, then pull the movable protective plate 8 downward, and after moving to the specified position, re-insert the fixing screw 12 into the guard plate mounting plate 11, and then connect the holes on the surface of the movable protective plate 8. When the hardness test is completed, take out the fixing screw 12 from the surface of the guard plate mounting plate 11, and then the staff holds the handle 9 and then pulls the movable protective plate 8 upward, and after moving to the initial position, re-insert the fixing screw 12 into the guard plate mounting plate 11 to ensure the stability and firmness of the device. By using this structure, it is convenient to ensure the safety of the staff during the use of the device and prevent fragments from popping out.

[0044] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A device for detecting the friction force and hardness of the pin bushing of the suspension cable connection pin of a suspension bridge, comprising a device main body, characterized in that: A hardness detection device is provided at the upper end of the device main body. An opening is provided on the side of the hardness detection device. A guard plate mounting plate is provided at the opening. A movable protection plate is slidably connected inside the guard plate mounting plate. A handle is fixedly connected to the lower end of the movable protection plate to pull or push the movable protection plate into or out of the guard plate mounting plate through the handle. A fixing member is passed through the guard plate mounting plate, and the fixing member is used to fix or release the movable protection plate.

2. The friction force and hardness detection device for the suspension bridge sling connecting pin bushing according to claim 1, characterized in that: A rectangular bottom plate is provided at the upper end of the device main body adjacent to the hardness detection device. A chute is opened at the other end of the rectangular bottom plate to slidably receive a bottom sliding plate. The bottom sliding plate is fixedly connected to an annular mounting plate. The annular mounting plate is sleeved on the friction test column of the hardness detection device. A plurality of screw handles are threadedly connected to the annular mounting plate. One end of each screw handle passing into the annular mounting plate is fixedly connected to an annular clamping plate, and the annular clamping plate is used to limit the position of the sling pin bushing placed on the surface of the friction test column.

3. The friction force and hardness detection device for the suspension bridge sling connecting pin shaft sleeve according to claim 2, characterized in that: A rectangular operation plate is fixedly connected to the upper end of the device main body adjacent to the hardness detection device. A plurality of rectangular mounting plates are fixedly connected to the side of the rectangular operation plate. A connecting column is fixedly connected to the lower end of the rectangular mounting plate, and the other end of the connecting column is fixedly connected to the upper end of the device main body; A groove is provided at the upper end of the rectangular mounting plate, a convex plate is slidably connected inside the groove, a wheel assembly is provided at the lower end of the convex plate, a connecting support plate is fixedly connected to the upper end of the convex plate, a rectangular mounting plate is fixedly connected to the upper end of the connecting support plate, a data display screen is provided at the upper end of the rectangular mounting plate, and a data display screen is provided on the side of the data display screen.

4. The friction force and hardness detection device for the suspension bridge sling connecting pin bushing according to claim 3, wherein: A plurality of slider plates are fixedly connected to the side of the annular mounting plate, a connecting rod is fixedly connected to the upper end of the slider plate, and the other end of the connecting rod is fixedly connected to the rectangular mounting plate.

5. The friction force and hardness detection device for the suspension bridge sling connecting pin and bushing according to claim 4, characterized in that: A plurality of sliding rod columns are fixedly connected to the side of the rectangular operation plate, the other end of the sliding rod column is connected to a sliding rod column support plate on the device main body, a slider plate is slidably connected to the sliding rod column support plate, and the slider plate is fixedly connected to the annular mounting plate.

6. The friction force and hardness detection device for the suspension bridge sling connecting pin shaft sleeve according to claim 1, characterized in that: An operation plate is provided inside the hardness detection device at the upper end of the device main body, and a pressure cylinder is provided at the upper end of the hardness detection device.

7. The friction force and hardness detection device for the suspension bridge sling connecting pin shaft sleeve according to claim 1, wherein: A pressure plate is provided inside the hardness detection device, the other end of the pressure plate passes through the hardness detection device and is connected to the pressure cylinder, and a rear protection plate is provided on the side of the hardness detection device at a position opposite to the guard plate mounting plate.

8. The friction force and hardness detection device for the suspension bridge sling connecting pin shaft sleeve according to claim 1, wherein: A plurality of sealed doors are provided on the side of the device main body, and a plurality of support table legs are fixedly connected to the lower end of the sealed doors.

9. The friction force and hardness detection device for the suspension bridge sling connecting pin and bushing according to claim 8, wherein: A distribution box is provided on the side of the device main body adjacent to the sealed door, a ventilation hole is provided on the side of the device main body adjacent to the distribution box, and an operation table is provided on the side of the device main body on the opposite side of the distribution box.

10. The usage method of a friction and hardness detection device for the connecting pin bushing of a suspension bridge sling as described in claim 1, characterized in that: Including steps: Place the sling pin bushing on the upper end of the friction test column, and then contact the annular clamping plate with the sling pin bushing by controlling the screw handle to limit the position of the sling pin bushing. Remove the fixing part from the surface of the guard plate mounting plate. Then, the staff holds the handle and moves the guard plate to slide inside the guard plate mounting plate. Pull the movable guard plate downward. After moving it to the designated position, re-insert the fixing part into the guard plate mounting plate and connect it to the holes on the surface of the movable guard plate for fixation; After completing the hardness test, remove the fixing part from the surface of the guard plate mounting plate. Pull the movable guard plate upward. After moving it to the initial position, re-insert the fixing part into the guard plate mounting plate.

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