A wire rope strength detection device

Abstract

The present invention relates to the field of wire rope testing technology, and in particular to a wire rope strength testing device, comprising a testing machine and a sliding platform arranged on the testing machine, wherein the top of the testing machine and the top of the sliding platform are fixedly connected to a fixed disk, both ends of the inner side of the testing machine are fixedly connected to a fixed cylinder, and the inner side of the fixed cylinder is fixedly connected to an upper electric telescopic cylinder. The present invention provides structures such as a fixed disk, a pulley and a tightening mechanism, and the testing personnel only need to wind the wire rope around the two pulleys, and then pass the two ends of the wire rope through the middle groove of the locking block to control the start of the equipment, automatically press the two ends of the wire rope first, and then drive the pulleys to rotate in opposite directions, so that the steel wire is tightly wound around the two pulleys. Then, the tension testing machine can be controlled to start, and the strength of the wire rope can be automatically tested, and there is no need for the testing personnel to tighten and fix it, which greatly improves the testing efficiency of the device and saves time and effort.

Description

Technical Field

[0001] The present invention relates to the technical field of steel wire rope detection, and in particular to a steel wire rope strength detection device. Background Art

[0002] As an important engineering material, wire rope is widely used in many fields such as construction, mining, ports, bridges, etc. Its tensile strength is a key indicator to measure the quality and safety of wire rope. Ensuring that the wire rope has sufficient tensile strength is crucial to ensure the safe and stable operation of the project. Therefore, accurate and efficient testing of the tensile strength of wire rope is of great practical significance.

[0003] In the traditional wire rope tension test process, the fixing link of the wire rope often becomes a bottleneck restricting the test efficiency and accuracy. In the existing technology, the fixing of the wire rope mostly relies on manual operation, which is not only time-consuming and labor-intensive, but also difficult to ensure the consistency and reliability of each fixation. It is easy to cause deviations in the test results due to human factors. Today, with the increasing degree of automation, the traditional manual fixing method can no longer meet the requirements of efficient, accurate and safe testing, especially when facing large-scale, high-intensity wire rope testing tasks, its limitations are becoming more and more prominent.

[0004] Therefore, a wire rope strength detection device is proposed to solve the above problems. Summary of the Invention

[0005] The purpose of the present invention is to solve the shortcomings of the background technology and to propose a steel wire rope strength detection device.

[0006] To achieve the above objectives, the technical solution adopted by the present invention is: a wire rope strength testing device, comprising a testing machine and a sliding table arranged on the testing machine, wherein the top end of the testing machine and the top end of the sliding table are fixedly connected to a fixed plate, both ends of the inner side of the testing machine are fixedly connected to a fixed cylinder, the inner side of the fixed cylinder is fixedly connected to an upper electric telescopic cylinder, a cross is fixedly connected between the output ends of the upper electric telescopic cylinder, the front side of the fixed plate is rotatably connected to a pulley, a pair of side grooves are formed through the side wall of the pulley, a locking block is formed through the side wall of the pulley, a middle groove is formed through the side wall of the locking block, and the locking block is inserted into the side groove through the middle groove, a circular groove is formed on the side wall of the fixed plate, a pair of tapered rings with inclined surfaces are fixedly connected to the inner side of the circular groove, a plurality of locking grooves with inclined surfaces are equidistantly formed on the side wall of the tapered ring away from the locking block, a sliding groove is formed on the side wall of the locking block, a limiting block is slidably connected to the sliding groove, and a tightening mechanism for pushing in and tightening the pulley is provided on the cross.

[0007] In the above technical solution, further, the limit block is provided with an upper inclined groove on the side close to the conical ring, and the side wall of the limit block is provided with a lower inclined groove, and after the locking block is pushed in, the lower inclined groove fits into the inclined surface of the locking groove, and a limiting spring is fixedly connected between the inner side of the slide groove and the side wall of the limit block, and the inclined surfaces of the locking grooves on the two fixed disks are arranged in opposite directions, and an outlet is provided on the side wall of the pulley.

[0008] In the above technical solution, further, the rear side of the fixed disk is rotatably connected to a rotating ring, the rear side of the locking block is fixedly connected to a guide rod, and the rear side of the guide rod is arranged to pass through the side wall of the fixed disk, the rear end of the guide rod is fixedly connected to a rear plate, and a reset spring is fixedly connected between the rear plate and the side wall of the rotating ring.

[0009] In the above technical solution, further, the tightening mechanism includes a tightening motor, and a pair of tightening motors are provided. The upper and lower sides of the cross are fixedly connected to the fixed frame, and the tightening motors are fixedly connected to the inner side of the fixed frame. The output end of the tightening motor passes through the rear side of the fixed frame and is fixedly connected to the circular frame. The side wall of the circular frame is rotatably connected to a circular ring, and the side wall of the circular ring is equidistantly fixed to a number of push plates, and the outer wall of the locking block is fixedly connected to a pair of positioning blocks, the side wall of the circular frame is provided with an arc groove, and the side wall of the circular ring is fixedly connected to an arc block.

[0010] In the above technical solution, further, both ends of the front side of the positioning block are inclined, the rear ends of several push plates are set as smooth arc surfaces, and the arc block is rotatably connected to the inner side of the arc groove, and arc springs are fixedly connected between the two ends of the inner side of the arc groove and the outer wall of the arc block.

[0011] In the above technical solution, further, the side ends of the arc blocks are fixedly connected with pressure sensors, and the pressure sensors are electrically connected to the tightening motor through the controller.

[0012] In the above technical solution, further, an L-shaped groove is opened inside the locking block, and the L-shaped groove is connected to the slide groove, the inner side of the slide groove is rotatably connected to the first guide roller relative to the position next to the L-shaped groove, the second guide roller is rotatably connected at the corner of the L-shaped groove, the inner side of the L-shaped groove is slidably connected to the unlocking rod, the side wall of the limit block is fixedly connected to a pull rope, and the side of the L-shaped groove away from the slide groove is rotatably connected to the third guide roller, the other end of the pull rope passes through the first guide roller, the second guide roller and the outer wall of the third guide roller in sequence and is fixedly connected to the side wall of the unlocking rod, and an unlocking spring is fixedly connected between the inner side of the L-shaped groove and the side wall of the unlocking rod.

[0013] In the above technical solution, further, an unlocking ring is provided on the outer wall of the circular frame, a pair of lower electric telescopic cylinders are fixedly connected to the inner side of the fixed frame, and the output ends of the lower electric telescopic cylinders pass through the side walls of the fixed frame and are fixedly connected to the side walls of the unlocking ring.

[0014] In the above technical solution, further, an extrusion block is provided on the inner side of the middle groove, a screw is threadedly connected to the side wall of the locking block, and the screw is rotatably connected to the side wall of the extrusion block, and a scale groove is opened at the top of the middle groove.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] The present invention is provided with structures such as a fixed disk, a pulley and a tightening mechanism. The inspector only needs to wind the wire rope around the two pulleys, and then pass the two ends of the wire rope through the middle groove of the locking block to control the start of the equipment, automatically pressing the two ends of the wire rope first, and then driving the pulleys to rotate in opposite directions, so that the steel wire is tightly wound around the two pulleys. The invention is equipped with a pressure sensor, which can fix the wire rope on the pulley according to the specified winding force. Then, the tension testing machine can be controlled to start and the strength of the wire rope can be automatically tested. There is no need for the inspector to tighten and fix the wire rope, which greatly improves the detection efficiency of the device and saves time and effort.

[0017] The present invention uses the lower electric telescopic cylinder, unlocking rod and pull rope to automatically release the locking of the wire rope after the detection is completed, making it easy to quickly remove the wire rope and further improving the convenience of the device.

[0018] The present invention can adjust the locking position of the tightening mechanism according to the diameter of the detected steel wire rope through the arrangement of the screw rod and the extrusion block, thereby being able to use steel wire ropes of different diameters, further improving the applicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the front three-dimensional structure of the detection device of the present invention;

[0020] Figure 2 The appended Figure 1 A schematic diagram of the partially enlarged structure at center A;

[0021] Figure 3 This is a schematic diagram of a three-dimensional structure in which the circular frame and the circular ring are separated;

[0022] Figure 4 This is a bottom-up perspective structural diagram of the fixed disc and the rope pulley of the present invention;

[0023] Figure 5 This is a schematic diagram of the full-cut side perspective structure of the fixed disc and the rope pulley of the present invention;

[0024] Figure 6 The appended Figure 5 A schematic diagram of the partially enlarged structure at point B in the middle;

[0025] Figure 7This is a schematic diagram of the partial appearance of the three-dimensional structure of the cross and the fixing frame separated from each other according to the present invention;

[0026] Figure 8 This is a partially cutaway perspective structural diagram of the unlocking block, guide rod, and tapered ring of the present invention;

[0027] Figure 9 It is a schematic diagram of a partial top view of the three-dimensional structure of the unlocking block of the present invention.

[0028] Figure: 1. Detector; 2. Sliding table; 3. Fixed plate; 4. Fixed cylinder; 5. Upper electric telescopic cylinder; 6. Cross; 7. Pulley; 8. Locking block; 9. Conical ring; 10. Locking groove; 11. Limit block; 12. Upper inclined groove; 13. Lower inclined groove; 14. Limit spring; 15. Exit; 16. Tightening motor; 17. Fixed frame; 18. Round frame; 19. Round ring; 20. Push plate; 21. Positioning block ; 22. Arc groove; 23. Arc block; 24. Arc spring; 25. Pressure sensor; 26. Rotating ring; 27. Guide rod; 28. Back plate; 29. ​​Reset spring; 30. First guide roller; 31. Second guide roller; 32. Unlocking rod; 33. Pull rope; 34. Third guide roller; 35. Unlocking spring; 36. Unlocking ring; 37. Extrusion block; 38. Screw; 39. Scale groove; 40. Lower electric telescopic cylinder. DETAILED DESCRIPTION

[0029] In order to more clearly understand the above-mentioned objects, features and advantages of the present invention, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0030] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0031] In actual use, it was found that in the existing technology, the fixation of wire ropes mostly relies on manual operation, which is not only time-consuming and labor-intensive, but also difficult to ensure the consistency and reliability of each fixation. It is easy to cause deviations in test results due to human factors. With the increasing degree of automation, the traditional manual fixation method can no longer meet the requirements of efficient, accurate and safe testing. Especially when facing large-scale, high-strength wire rope testing tasks, its limitations are becoming more and more prominent. In order to solve the above problems, the following structure is specially invented.

[0032] like Figures 1-9The shown device for testing the strength of a steel wire rope comprises a testing machine 1 and a sliding table 2 arranged on the testing machine 1. The top of the testing machine 1 and the top of the sliding table 2 are fixedly connected to a fixed disk 3. Both ends of the inner side of the testing machine 1 are fixedly connected to a fixed cylinder 4. The inner side of the fixed cylinder 4 is fixedly connected to an upper electric telescopic cylinder 5. A cross 6 is fixedly connected between the output ends of the upper electric telescopic cylinder 5. The front side of the fixed disk 3 is rotatably connected to a pulley 7. A pair of side grooves are formed through the side wall of the pulley 7. A locking block 8 is provided on the side wall of the pulley 7. A middle groove is formed through the side wall of the locking block 8. The locking block 8 is inserted into the side groove through the middle groove. A circular groove is formed on the side wall of the fixed disk 3. A pair of conical rings 9 with inclined surfaces are fixedly connected to the inner side of the circular groove. A plurality of locking grooves 10 with inclined surfaces are equidistantly formed on the side wall of the conical ring 9 away from the locking block 8. A sliding groove is formed on the side wall of the locking block 8. A limiting block 11 is slidably connected in the sliding groove. A tightening mechanism for pushing in and tightening the pulley 7 is provided on the cross 6.

[0033] An upper inclined groove 12 is provided on the side of the limit block 11 close to the conical ring 9, and a lower inclined groove 13 is provided on the side wall of the limit block 11. After the locking block 8 is pushed in, the lower inclined groove 13 fits in with the inclined surface of the locking groove 10. A limiting spring 14 is fixedly connected between the inner side of the slide groove and the side wall of the limit block 11, and the inclined surfaces of the locking grooves 10 on the two fixed disks 3 are set in opposite directions. Only by rotating the two pulleys 7 in two directions can the wire rope be locked, otherwise one will be unwound and the other will be rewound. An outlet 15 is provided on the side wall of the pulley 7. Through the setting of the outlet 15, it is convenient to insert the wire rope wound on the pulley 7 into the middle groove;

[0034] The rear side of the fixed plate 3 is rotatably connected to a rotating ring 26, and the rear side of the locking block 8 is fixedly connected to a guide rod 27, and the rear side of the guide rod 27 passes through the side wall of the fixed plate 3. The rear end of the guide rod 27 is fixedly connected to a rear plate 28, and a return spring 29 is fixedly connected between the rear plate 28 and the side wall of the rotating ring 26. The arrangement of the guide rod 27 and the return spring 29 facilitates the rapid reset of the locking block 8 after unlocking.

[0035] The tightening mechanism includes a tightening motor 16, a pair of tightening motors 16 are provided, the upper and lower sides of the cross 6 are fixedly connected to the fixed frame 17, the tightening motors 16 are fixedly connected to the inner side of the fixed frame 17, the output end of the tightening motor 16 passes through the rear side of the fixed frame 17 and is fixedly connected to the circular frame 18, the side wall of the circular frame 18 is rotatably connected to the circular ring 19, and the side wall of the circular ring 19 is equidistantly fixedly connected to a number of push plates 20, the outer wall of the locking block 8 is fixedly connected to a pair of positioning blocks 21, the side wall of the circular frame 18 is provided with an arc groove 22, and the side wall of the circular ring 19 is fixedly connected to an arc block 23;

[0036] The two ends of the front side of the positioning block 21 are inclined, the rear ends of the plurality of push plates 20 are set to a smooth arc surface, and the arc block 23 is rotatably connected to the inner side of the arc groove 22, and arc springs 24 are fixedly connected between the two ends of the inner side of the arc groove 22 and the outer wall of the arc block 23;

[0037] The side ends of the arc blocks 23 are fixedly connected with pressure sensors 25, and the pressure sensors 25 are electrically connected to the tightening motor 16 through the controller;

[0038] When the strength of the wire rope is tested, one end of the wire rope is first inserted into the middle groove on the upper rope wheel 7, and then wound around the rope wheel 7 through the outlet 15 (it should be noted that the number of windings on the two rope wheels 7 is the same, and the number of windings is installed and tested according to the regulations). Then, the other end of the wire rope is wound around the rope wheel 7 below, and then the other end of the wire rope is passed through the outlet 15 and inserted into the middle groove (it should be noted that due to the elasticity of the wire rope itself, the wire rope bent from the outlet 15 and inserted into the middle groove will be stuck between the outlet 15 and the inner side of the middle groove under its own elastic force, playing a certain supporting role, and thus will not fall off when the wire rope is loosened). Then the upper electric telescopic cylinder 5 can be controlled to start and drive the cross 6 and the fixed frame 17 to move, and at the same time drive the ring 19 to move to the side of the locking block 8. At this time, if the push plate 20 is located next to the positioning block 21;

[0039] As a result, the push plate 20 will be flipped up or down under the action of the inclined surface of the positioning block 21 squeezing the arc surface of the push plate 20, and at the same time drive the ring 19 to rotate on the side wall of the circular frame 18, and drive the arc block 23 to rotate in the arc groove 22. At the same time, since the arc block 23 is fixedly connected to the arc spring 24 on both sides, the arc spring 24 on one side will be compressed and the arc spring 24 on the other side will be stretched. Then the push plate 20 is stuck next to the positioning block 21, and then the upper electric telescopic cylinder 5 continues to move, which will push the locking block 8 to move and insert it into the circular groove on the fixed plate 3, and at the same time drive the limit block 11 to the back side. At this time, the inclined surface of the conical ring 9 The upper inclined groove 12 on the limit block 11 will be squeezed, so that the limit block 11 slides into the slide groove and compresses the limit spring 14. Then, when the limit block 11 moves out from one of the tapered rings 9, the squeeze on the limit block 11 will be released. Subsequently, the limit block 11 will be pushed back to its original position under the elastic force of the limit spring 14 and stuck in the rear end of the front tapered ring 9. Then the locking block 8 continues to move, so that the limit block 11 is stuck in the locking groove 10 of the rear tapered ring 9. At the same time, the locking block 8 will squeeze the wire rope inserted in the middle groove tightly against the side wall of the sheave 7. In this process, the movement of the sheave 7 will drive the guide rod 27 and the rear plate 28 to move, and gradually stretch the reset spring 29.

[0040] Finally, the tightening motor 16 can be controlled to start and drive the circular frame 18 to rotate (it should be noted here that the rotation directions of the tightening motors 16 next to the two rope pulleys 7 are opposite), thereby causing the side ends of the arc grooves 22 on the circular frame 18 to rotate to the side of the arc block 23 and compress the corresponding arc spring 24. Subsequently, the arc groove 22 pushes the arc block 23 to drive the ring 19 to rotate, and drives the positioning block 21 to move through the push plate 20, thereby driving the locking block 8 and the rope pulley 7 to rotate on the side wall of the fixed plate 3, and driving the limit block 11 to rotate at the same time. At this time, the inclined surface of the locking groove 10 will squeeze the lower inclined groove 13 on the limit block 11, thereby compressing the limit block 11 into the slide groove and compressing the limit spring 14. Subsequently, when the limit block 11 moves to the locking groove 10 on the other side, it will be pushed to reset under the elastic force of the limit spring 14 and stuck in the corresponding locking groove 10. This is repeated, thereby tightening the wire rope. The wire rope is wound around the rope pulley 7, and the locking groove 10 limits the limit block 11 from rotating in the opposite direction and moving forward to reset, thereby limiting the reversal of the rope pulley 7 and the forward reset of the locking block 8, thereby avoiding the release of the winding of the wire rope. During this process, the pressure sensor 25 in the arc groove 22 will push the arc block 23 to drive the locking block 8 and the rope pulley 7 to rotate, and rewind the wire rope. As the wire rope is reeled closer and closer, the rewinding force will become greater and greater, so that the pressure transmitted to the pressure sensor 25 by the arc block 23 will become greater and greater. When the pressure sensor 25 detects that the pressure reaches the specified value, it will automatically control the tightening motor 16 to stop running, thereby winding the wire rope to the specified force to ensure the accuracy of the test results. Then the upper electric telescopic cylinder 5 is controlled to drive the cross 6 to move forward, and then the detection machine 1 can be controlled to start and drive the rope pulley 7 at the bottom to move downward to test the strength of the wire rope.

[0041] To sum up, through the design of the above structure, the inspection personnel only need to wind the wire rope around the two pulleys 7, and then pass the two ends of the wire rope through the middle groove of the locking block 8 to control the start of the equipment, automatically tighten the two ends of the wire rope first, and then drive the pulley 7 to rotate in opposite directions, so that the steel wire is tightly wound around the two pulleys 7, and is equipped with a pressure sensor 25, which can fix the wire rope on the pulley 7 according to the specified winding force, and then the tension testing machine 1 can be controlled to start, and the strength of the wire rope can be automatically tested, and the inspection personnel do not need to tighten and fix it, which greatly improves the detection efficiency of the device and saves time and effort.

[0042] Based on the above embodiment, it was found during use that although the wire rope could be automatically locked, it still needed to be removed by the inspector after the inspection, which was quite troublesome. In order to solve the above problem, the above structure was further improved.

[0043] An L-shaped groove is provided inside the locking block 8, and the L-shaped groove is connected to the slide. The inside of the slide is rotatably connected to the first guide roller 30 relative to the position next to the L-shaped groove. The second guide roller 31 is rotatably connected at the corner of the L-shaped groove. The inside of the L-shaped groove is slidably connected to the unlocking rod 32. A pull rope 33 is fixedly connected to the side wall of the limit block 11, and a third guide roller 34 is rotatably connected to the side of the L-shaped groove away from the slide. The other end of the pull rope 33 passes through the outer walls of the first guide roller 30, the second guide roller 31 and the third guide roller 34 in sequence and is fixedly connected to the side wall of the unlocking rod 32. An unlocking spring 35 is fixedly connected between the inside of the L-shaped groove and the side wall of the unlocking rod 32.

[0044] An unlocking ring 36 is provided on the outer wall of the circular frame 18, and a pair of lower electric telescopic cylinders 40 are fixedly connected to the inner side of the fixed frame 17. The output ends of the lower electric telescopic cylinders 40 pass through the side walls of the fixed frame 17 and are fixedly connected to the side walls of the unlocking ring 36;

[0045] When the wire rope strength test is completed, the upper electric telescopic cylinder 5 can be controlled to start driving the ring 19 on the cross 6 to move to the side of the locking block 8, and then the lower electric telescopic cylinder 40 can be controlled to start pushing the unlocking ring 36 to the rear side, and then the unlocking ring 36 will push the unlocking rod 32 to slide in the L-shaped groove and gradually compress the unlocking spring 35, while driving the pull rope 33 to move. At this time, the pull rope 33 will pull the limit block 11 to slide into the sliding under the guidance of the third guide roller 34, the second guide roller 31 and the first guide roller 30. The upper electric telescopic cylinder 5 can then be controlled to start resetting. During this process, the elastic force of the reset spring 29 will pull the rear plate 28 and the guide rod 27 to reset, thereby pulling the locking block 8 to follow the ring 19 out of the circular groove. At the same time, the tightening motor 16 can be controlled to start reversing, gradually releasing the winding of part of the wire rope. Finally, after the locking block 8 is reset, the upper electric telescopic cylinder 5 can be controlled to reset, and the broken wire rope can be pulled out.

[0046] In summary, through the design of the above structure, the locking and fixing of the wire rope can be automatically released after the detection is completed, which facilitates the quick removal of the wire rope and further improves the convenience performance of the device.

[0047] Based on the above embodiment, it was found during use that the extrusion locking distance of the locking block 8 in the above structure is fixed, and thus can only lock steel wire ropes of the same diameter, which is quite limited. In order to solve the above problem, the above structure was further improved.

[0048] An extrusion block 37 is provided on the inner side of the middle groove, and a screw 38 is threadedly connected to the side wall of the locking block 8. It should be noted here that when the round frame 18 moves to the side of the locking block 8, the screw 38 will be inserted into the round frame 18, so it will not hinder the normal movement of the round frame 18, and the screw 38 is rotatably connected to the side wall of the extrusion block 37. When it is necessary to test steel wire ropes of different specifications, the screw 38 can be rotated. Since the screw 38 is threadedly connected to the locking block 8, the screw 38 will spiral to the rear side, and at the same time drive the extrusion block 37 to slide in the middle groove, thereby changing the position of the extrusion block 37, so that smaller steel wire ropes can be squeezed and locked, thereby improving the universal performance of the device. A scale groove 39 is provided at the top of the middle groove. The setting of the scale groove 39 makes it easy to observe the adjustment position of the extrusion block 37, so that the extrusion block 37 can be accurately adjusted to the specified position.

[0049] In summary, through the design of the above structure, the locking position of the tightening mechanism can be adjusted according to the diameter of the detected wire rope, so that wire ropes of different diameters can be used, further improving the applicability of the device.

[0050] The basic principles, main features and advantages of the present invention are shown and described above.

[0051] Those skilled in the art should understand that the present invention is not limited to the above-mentioned embodiments. The above-mentioned embodiments and the specification only describe the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. These changes and improvements all fall within the scope of the present invention to be protected.

Claims

1. A wire rope strength testing device, comprising a testing machine (1) and a sliding table (2) arranged on the testing machine (1), characterized in that: The top of the inner side of the detection machine (1) and the top of the sliding platform (2) are both fixedly connected to a fixed disk (3), the two ends of the inner side of the detection machine (1) are both fixedly connected to a fixed cylinder (4), the inner side of the fixed cylinder (4) is both fixedly connected to an upper electric telescopic cylinder (5), a cross (6) is fixedly connected between the output ends of the upper electric telescopic cylinder (5), the front side of the fixed disk (3) is rotatably connected to a rope pulley (7), a pair of side grooves are formed through the side wall of the rope pulley (7), and a locking block (8) is provided on the side wall of the rope pulley (7). (8) A middle groove is formed through the side wall, and the locking block (8) is inserted into the side groove through the middle groove. A circular groove is formed on the side wall of the fixed disk (3), and a pair of tapered rings (9) with inclined surfaces are fixedly connected to the inner side of the circular groove. A plurality of locking grooves (10) with inclined surfaces are formed at equal intervals on the side wall of the tapered ring (9) away from the locking block (8). A sliding groove is formed on the side wall of the locking block (8), and a limit block (11) is slidably connected in the sliding groove. A tightening mechanism for pushing in and tightening the rope wheel (7) is provided on the cross (6); The limit block (11) is provided with an upper inclined groove (12) on the side close to the conical ring (9), and the side wall of the limit block (11) is provided with a lower inclined groove (13). After the locking block (8) is pushed in, the lower inclined groove (13) fits with the inclined surface of the locking groove (10). A limiting spring (14) is fixedly connected between the inner side of the slide groove and the side wall of the limit block (11). The inclined surfaces of the locking grooves (10) on the two fixed plates (3) are arranged in opposite directions. An outlet (15) is provided on the side wall of the rope pulley (7). The rear side of the fixed disk (3) is rotatably connected to a rotating ring (26), the rear side of the locking block (8) is fixedly connected to a guide rod (27), and the rear side of the guide rod (27) passes through the side wall of the fixed disk (3), the rear end of the guide rod (27) is fixedly connected to a rear plate (28), and a return spring (29) is fixedly connected between the rear plate (28) and the side wall of the rotating ring (26); The tightening mechanism includes a tightening motor (16), a pair of tightening motors (16) are provided, the upper and lower sides of the cross (6) are fixedly connected to the fixed frame (17), the tightening motors (16) are fixedly connected to the inner side of the fixed frame (17), the output end of the tightening motor (16) passes through the rear side of the fixed frame (17) and is fixedly connected to the circular frame (18), the side wall of the circular frame (18) is rotatably connected to the circular ring (19), the side wall of the circular ring (19) is equidistantly fixedly connected to a plurality of push plates (20), the outer wall of the locking block (8) is fixedly connected to a pair of positioning blocks (21), the side wall of the circular frame (18) is provided with an arc groove (22), and the side wall of the circular ring (19) is fixedly connected to an arc block (23); Both ends of the front side of the positioning block (21) are inclined, and the rear ends of the plurality of push plates (20) are set to smooth arc surfaces, and the arc block (23) is rotatably connected to the inner side of the arc groove (22), and arc springs (24) are fixedly connected between the inner ends of the arc groove (22) and the outer wall of the arc block (23).

2. A wire rope strength detection device according to claim 1, characterized in that: The side ends of the arc blocks (23) are fixedly connected to pressure sensors (25), and the pressure sensors (25) are electrically connected to the tightening motor (16) through a controller.

3. A wire rope strength detection device according to claim 1, characterized in that: An L-shaped groove is provided inside the locking block (8), and the L-shaped groove is connected to the slide groove. The inner side of the slide groove is rotatably connected to a first guide roller (30) relative to the position next to the L-shaped groove, and the second guide roller (31) is rotatably connected at the corner of the L-shaped groove. The inner side of the L-shaped groove is slidably connected to an unlocking rod (32). A pull rope (33) is fixedly connected to the side wall of the limit block (11), and the L-shaped groove is rotatably connected to a third guide roller (34) on the side away from the slide groove. The other end of the pull rope (33) passes through the outer walls of the first guide roller (30), the second guide roller (31) and the third guide roller (34) in sequence and is fixedly connected to the side wall of the unlocking rod (32). An unlocking spring (35) is fixedly connected between the inner side of the L-shaped groove and the side wall of the unlocking rod (32).

4. A wire rope strength detection device according to claim 1, characterized in that: An unlocking ring (36) is provided on the outer wall of the circular frame (18), and a pair of lower electric telescopic cylinders (40) are fixedly connected to the inner side of the fixed frame (17). The output ends of the lower electric telescopic cylinders (40) pass through the side wall of the fixed frame (17) and are fixedly connected to the side wall of the unlocking ring (36).

5. The steel wire rope strength detection device according to claim 1, characterized in that: An extrusion block (37) is provided inside the middle groove, a screw rod (38) is threadedly connected to the side wall of the locking block (8), and the screw rod (38) is rotatably connected to the side wall of the extrusion block (37), and a scale groove (39) is provided at the top of the middle groove.

Images