Elevator steel wire rope overhauling device and overhauling method thereof

By improving the structure of the elevator wire rope maintenance device, rapid disassembly and angle adjustment of the guide rollers are achieved, and the problems of inconvenience and poor adaptability caused by the fixation of guide rollers in the prior art are solved, and maintenance efficiency and flexibility are improved.

CN120294154APending Publication Date: 2025-07-11NANTONG JUNYANG ELEVATOR ENG CO LTD
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Patent Information

Application Number
CN202510520430.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-04-24
Publication Date
2025-07-11

AI Technical Summary

Technical Problem

The guide rollers of the existing elevator wire rope maintenance device are fixed by bolts, resulting in inconvenience in disassembly and replacement, and the distance between guide rollers cannot be flexibly adjusted to accommodate wire ropes of different diameters.

Method used

The sliding block, adjustment rod and threaded rod structure is adopted to drive the sliding block movement through handwheels to achieve rapid disassembly and replacement of the guide roller; the angle of the guide roller is adjusted by using collars, grooves, clamps and compression nuts; the box is fixed with mounting frames and locking screws to adapt to wire ropes of different diameters.

Benefits of technology

The removal and replacement of guide rollers is simplified, the flexibility and adaptability of the device are improved, and the operating cost is reduced.

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Abstract

The elevator steel wire rope overhauling device comprises an upper box body and a lower box body, steel wire rope through holes are formed in the two ends of the upper box body and the two ends of the lower box body correspondingly, and shells are fixedly arranged on the portions, located on the two side faces of the upper box body and the two side faces of the lower box body, of one sides of the steel wire rope through holes correspondingly; sliding holes are formed in the positions, located on the two sides, of the outer wall of the shell, sliding blocks are arranged in the sliding holes in a sliding mode, adjusting rods are rotationally arranged at one ends of the sliding blocks, mounting sleeves are rotationally arranged at the other ends of the adjusting rods, rotating shafts are arranged in the mounting sleeves, and guide rollers are fixedly arranged on the outer walls of the rotating shafts. Therefore, a user can rotate the hand wheel to enable the threaded rod to drive the sliding block to move, the sliding block drives the two adjusting rods to be separated, then the rotating shaft is separated from the mounting sleeve, and the guide roller is convenient to disassemble and assemble.
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Description

Technical Field

[0001] The present invention relates to the technical field of wire rope maintenance, and more specifically, it relates to an elevator wire rope maintenance device and its maintenance method. Background Art

[0002] The elevator wire rope maintenance device and its maintenance method are important tools for inspecting elevator wire ropes. Such devices can help production personnel timely detect problems such as wear and broken wires of wire ropes after the production of elevator wire ropes, so as to ensure the safe operation of the elevator after the subsequent installation and use of the elevator wire ropes. The most commonly used wire rope maintenance device is a flaw detector, which usually consists of mechanisms such as a probe and a signal processing unit. Subsequently, a computer can be connected to it, and the ultrasonic echo pattern can be observed through the computer display screen to determine whether there are abnormalities inside the wire rope.

[0003] Guide rollers are generally installed at both ends of the wire rope maintenance device so that the wire rope can be guided when passing through the maintenance device. However, most of the existing maintenance devices have their guide rollers fixed by bolts, resulting in the need to rely on tools when disassembling and replacing the guide rollers, which affects the disassembly speed; Moreover, the installation angles of the guide rollers are mostly fixed, so it is not convenient to adjust the distance between the guide rollers according to wire ropes of different diameters, which affects the flexibility of the maintenance device during use. Summary of the Invention

[0004] In view of the problems existing in the prior art, the present invention provides an elevator wire rope maintenance device and its maintenance method to solve the technical problem mentioned in the background art that most of the existing maintenance devices have their guide rollers fixed by bolts, resulting in the need to rely on tools when disassembling and replacing the guide rollers, which affects the disassembly speed. Technical Solution

[0005] To achieve the above object, the present invention provides the following technical solution: An elevator wire rope maintenance device includes an upper box body and a lower box body. Wire rope through holes are provided at both ends of the upper box body and the lower box body. Shells are fixedly provided on both sides of the upper box body and the lower box body on one side of the wire rope through holes. Sliding holes are provided on both sides of the outer wall of the shell. Sliding blocks are slidably provided inside the sliding holes. One ends of the sliding blocks are rotatably provided with adjusting rods, and the other ends of the adjusting rods are rotatably provided with mounting sleeves. Rotating shafts are provided inside the mounting sleeves. Guide rollers are fixedly provided on the outer walls of the rotating shafts. Threaded rods are rotatably provided inside the sliding holes. The threaded rods are threadedly connected to the sliding blocks. One ends of the threaded rods pass through the shell and are provided with hand wheels.

[0006] The present invention is further configured such that one end of the sliding block is provided with a fixed shaft, the adjusting rod is rotatably installed at one end of the sliding block through the fixed shaft, on the outer wall of the adjusting rod and at the outer end of the fixed shaft, there is a collar, on the outer wall of the collar and on both the upper and lower sides, there are grooves, at the bottom of each groove, there is a connecting rod slidably provided, one end of each connecting rod is provided with a clamping block, each clamping block abuts against the outer wall of the fixed shaft, the other end of each connecting rod is provided with an inclined block, and the inclined block is located inside the groove, which is convenient for rotating the adjusting rod.

[0007] The present invention is further configured such that at the bottom of each inclined block, there is a connecting spring, the other end of each connecting spring is fixedly connected to the inner wall of the groove, on the outer wall of the collar, there is a compression nut, each compression nut is threadedly connected to the collar, and the inner wall of each compression nut abuts against the inclined block, which is convenient for adjusting and fixing the adjusting rod.

[0008] The present invention is further configured such that on one side surface of the upper box body and the lower box body, there is an installation frame, and on the other side surface, there is an installation block, the installation block can enter into the interior of the installation frame, and on the outer walls of the installation block and the installation frame, there are locking holes corresponding to each other, which is convenient for disassembling and fixing the upper box body and the lower box body.

[0009] The present invention is further configured such that a locking screw is movably provided inside the locking hole, and at one end of the locking screw, there is a fastening nut, which is convenient for fixedly installing the locking screw.

[0010] The present invention is further configured such that on the outer walls of the upper box body and the lower box body, there are handles, which is convenient for taking the upper box body and the lower box body.

[0011] The present invention is further configured such that inside the inner wall of the adjusting rod, there are rolling balls rotatably provided, and both sides of the guide roller are in contact with the rolling balls, which is convenient for reducing the friction between the adjusting rod and the guide roller.

[0012] The present invention is further configured such that on the outer wall of the guide roller, there are guide grooves, which is convenient for guiding the steel wire rope. Beneficial effects

[0013] Compared with the prior art, the present invention provides an elevator steel wire rope maintenance device and its maintenance method, and has the following beneficial effects: By providing a housing, a sliding block, an adjusting rod and a threaded rod, the user can rotate the handwheel to drive the sliding block to move by the threaded rod, so that the sliding block drives the two adjusting rods to separate, and further the rotating shaft is disengaged from the mounting sleeve, so as to facilitate the disassembly and replacement of the worn guide roller. Through this design, it is convenient to disassemble the guide roller, which helps to reduce the use cost.

[0014] By providing the collar, groove, clamping block and clamping nut, the user can rotate the clamping nut to separate the inner wall from the tilting block. At this time, the connecting spring will stretch to make the clamping block leave the fixed shaft. Then the adjusting rod can be rotated to adjust the inclination angle of the guide roller, which is convenient for guiding elevator wire ropes of different diameters. Finally, the clamping nut is tightened to make the inner wall contact with the tilting block, thereby applying downward pressure to the clamping block so that the clamping block contacts the outer wall of the fixed shaft, thereby fixing the adjusting rod for easy use.

[0015] By setting up the mounting frame, the mounting block and the locking screw, the user can separate the upper box and the lower box to place the elevator wire rope to be tested into the inside of the wire rope through hole, and then close the upper box and the lower box, and make the mounting block enter the mounting frame, and finally insert the locking screw into the locking hole, and tighten the fastening nut to fix it, so as to fix the upper box and the lower box to be installed, which is convenient for subsequent maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is an overall schematic diagram of the elevator wire rope maintenance device and the maintenance method thereof when not in use; Figure 2 The figure is a schematic diagram of the installation of the sliding block, the threaded rod, the adjusting rod, the guide roller and the compression nut; Figure 3 The exploded view of the installation of the sliding block, adjusting rod, locking nut and clamping block; Figure 4 It is a schematic diagram of the positions of the collar, groove and ball on the adjusting rod; Figure 5 This is an exploded view of the installation of the upper box, lower box, locking screws and fastening nuts.

[0017] In the figure: 1. upper box body; 2. lower box body; 3. wire rope through hole; 4. shell body; 5. sliding hole; 6. sliding block; 7. adjusting rod; 8. mounting sleeve; 9. rotating shaft; 10. guide roller; 11. threaded rod; 12. hand wheel; 13. collar; 14. groove; 15. connecting rod; 16. clamping block; 17. tilting block; 18. connecting spring; 19. clamping nut; 20. mounting frame; 21. mounting block; 22. locking hole; 23. locking screw; 24. fastening nut; 25. ball; 26. guide groove. DETAILED DESCRIPTION

[0018] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application may be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0019] It should be noted that unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by those of ordinary skill in the technical field to which this application belongs.

[0020] In the present invention, unless otherwise stated, the orientations such as "upper" and "lower" are generally in the directions shown in the drawings, or in the vertical, perpendicular or gravitational directions; similarly, for ease of understanding and description, "left" and "right" are generally with respect to the left and right shown in the drawings; "inner" and "outer" refer to the inner and outer of the contours of the respective components themselves, but the above orientation terms are not used to limit the present invention.

[0021] Please refer to Figures 1-5 , an elevator wire rope maintenance device, comprising an upper box body 1 and a lower box body 2. Both ends of the upper box body 1 and the lower box body 2 are provided with wire rope through holes 3. On one side of the wire rope through holes 3 and on both side surfaces of the upper box body 1 and the lower box body 2, a housing 4 is fixedly provided. On the outer wall of the housing 4 and on both sides, a sliding hole 5 is provided. Inside the sliding hole 5, a sliding block 6 is slidably provided. At one end of each sliding block 6, an adjusting rod 7 is rotatably provided. At the other end of each adjusting rod 7, a mounting sleeve 8 is rotatably provided. Inside each mounting sleeve 8, a rotating shaft 9 is provided. On the outer wall of the rotating shaft 9, a guide roller 10 is fixedly provided. Inside the sliding hole 5, a threaded rod 11 is rotatably provided. The threaded rods 11 are all threadedly connected to the sliding blocks 6. One end of each threaded rod 11 passes through the housing 4 and is provided with a handwheel 12. On the outer walls of the upper box body 1 and the lower box body 2, handles are provided.

[0022] In this embodiment, a fixed shaft is provided at one end of the sliding block 6. The adjusting rod 7 is rotatably mounted at one end of the sliding block 6 through the fixed shaft. On the outer wall of the adjusting rod 7 and at the outer end of the fixed shaft, a collar 13 is provided. On the outer wall of the collar 13 and on the upper and lower sides, grooves 14 are provided. Inside the grooves 14 at the bottom, connecting rods 15 are slidably provided. At one end of each connecting rod 15, a clamping block 16 is provided. The clamping blocks 16 are all abutted against the outer wall of the fixed shaft. At the other end of each connecting rod 15, an inclined block 17 is provided. The inclined blocks 17 are located inside the grooves 14. At the bottom of the inclined blocks 17, connecting springs 18 are provided. The other ends of the connecting springs 18 are fixedly connected to the inner walls of the grooves 14. On the outer wall of the collar 13, a compression nut 19 is provided. The compression nuts 19 are all threadedly connected to the collar 13. The inner walls of the compression nuts 19 are all abutted against the inclined blocks 17.

[0023] More specifically, the user can turn the hand wheel 12 to make the threaded rod 11 drive the sliding block 6 to move, so that the sliding block 6 drives the two adjusting rods 7 to separate, and then the rotating shaft 9 is separated from the mounting sleeve 8, so as to facilitate the disassembly and replacement of the guide roller 10 after wear. When the inclination angle of the guide roller 10 needs to be adjusted, the inner wall thereof can be separated from the tilting block 17 by turning the clamping nut 19. At this time, the connecting spring 18 will stretch out to make the clamping block 16 leave the fixed shaft, and then the adjusting rod 7 can be rotated to adjust the inclination angle of the guide roller 10, so as to facilitate the guiding of elevator wire ropes of different diameters. Finally, the clamping nut 19 is tightened to make its inner wall contact with the tilting block 17, and then downward pressure is applied to the clamping block 16, so that the clamping block 16 conflicts with the outer wall of the fixed shaft, and then the adjusting rod 7 is fixed, so as to facilitate subsequent maintenance.

[0024] See also Figure 1 and Figure 5 As an implementation method for fixing the upper box body 1 and the lower box body 2: a mounting frame 20 is provided on one side of the upper box body 1 and the lower box body 2, and a mounting block 21 is provided on the other side. The mounting block 21 can enter the interior of the mounting frame 20, and locking holes 22 are correspondingly opened on the outer walls of the mounting block 21 and the mounting frame 20. A locking screw 23 is movably provided inside the locking hole 22, and a fastening nut 24 is provided at one end of the locking screw 23.

[0025] Specifically, the user can separate the upper box body 1 and the lower box body 2 to place the elevator wire rope to be tested into the wire rope through hole 3, and then close the upper box body 1 and the lower box body 2, and make the mounting block 21 enter the mounting frame 20, and finally insert the locking screw 23 into the locking hole 22, and tighten the fastening nut 24 to fix it, so as to fix the upper box body 1 and the lower box body 2 to facilitate subsequent maintenance.

[0026] Please refer to Figure 1 and Figure 4 As a further implementation method for reducing the friction between the guide roller 10 and the adjusting rod 7: balls 25 are rotatably provided on the inner wall of the adjusting rod 7, both sides of the guide roller 10 are in contact with the balls 25, and guide grooves 26 are opened on the outer wall of the guide roller 10.

[0027] Specifically, the ball 25 can reduce the friction between the guide roller 10 and the adjusting rod 7, so that the guide roller 10 can rotate flexibly, thereby facilitating the guiding of the wire rope.

[0028] To sum up, when the overall equipment is in use: the user can separate the upper box body 1 and the lower box body 2 to place the elevator wire rope to be tested into the wire rope through hole 3, and then close the upper box body 1 and the lower box body 2, and make the mounting block 21 enter the mounting frame 20, and finally insert the locking screw 23 into the locking hole 22, and tighten the fastening nut 24 to fix it, so as to fix the upper box body 1 and the lower box body 2. At this time, the wire rope can be inspected through the probe inside the upper box body 1 and the lower box body 2. When the angle of the guide roller 10 needs to be adjusted to make it fit with the wire rope, the inner wall of the guide roller 10 can be separated from the tilting block 17 by rotating the clamping nut 19, and the connecting spring 18 is then It will stretch out to make the clamping block 16 leave the fixed shaft, and then the adjusting rod 7 can be rotated to adjust the inclination angle of the guide roller 10, which is convenient for guiding elevator wire ropes of different diameters. Finally, the clamping nut 19 is tightened to make its inner wall contact with the tilting block 17, and then give downward pressure to the clamping block 16 to make the clamping block 16 conflict with the outer wall of the fixed shaft, so as to fix the adjusting rod 7 for easy use. When the guide roller 10 is worn and needs to be replaced, the hand wheel 12 can be turned to make the threaded rod 11 drive the sliding block 6 to move, so that the sliding block 6 drives the two adjusting rods 7 to separate, and then the rotating shaft 9 is separated from the mounting sleeve 8, so as to facilitate the disassembly and replacement of the worn guide roller 10.

[0029] In all the schemes mentioned above, the connection between two parts can be selected according to actual conditions by welding, bolt and nut matching connection, bolt or screw connection or other well-known connection methods, which will not be described one by one here. In the above, all fixed connections are preferably welded. Although the embodiments of the present invention have been shown and described, it can be understood by ordinary technicians in this field that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the attached claims and their equivalents.

Claims

1. Elevator wire rope maintenance device, including an upper box body (1) and a lower box body (2), characterized in that: Both ends of the upper box body (1) and the lower box body (2) are provided with wire rope through holes (3). On one side of the wire rope through holes (3) and on both side surfaces of the upper box body (1) and the lower box body (2), shells (4) are fixedly arranged. On the outer walls of the shells (4) and on both sides, sliding holes (5) are opened. Inside the sliding holes (5), sliding blocks (6) are slidably arranged. At one end of each sliding block (6), an adjusting rod (7) is rotatably arranged. At the other end of each adjusting rod (7), a mounting sleeve (8) is rotatably arranged. Inside each mounting sleeve (8), a rotating shaft (9) is arranged. On the outer wall of the rotating shaft (9), a guide roller (10) is fixedly arranged. Inside the sliding holes (5), threaded rods (11) are rotatably arranged. The threaded rods (11) are all in threaded connection with the sliding blocks (6). One end of each threaded rod (11) passes through the shell (4) and is provided with a hand wheel (12).

2. The elevator wire rope maintenance device according to claim 1, characterized in that: One end of the sliding block (6) is provided with a fixed shaft. The adjusting rod (7) is rotatably installed at one end of the sliding block (6) through the fixed shaft. On the outer wall of the adjusting rod (7) and at the outer end of the fixed shaft, a collar (13) is arranged. On the outer wall of the collar (13) and on both the upper and lower sides, grooves (14) are opened. Inside the bottoms of the grooves (14), connecting rods (15) are slidably arranged. At one end of each connecting rod (15), a clamping block (16) is arranged. The clamping blocks (16) are all abutted against the outer wall of the fixed shaft. At the other end of each connecting rod (15), an inclined block (17) is arranged. The inclined blocks (17) are located inside the grooves (14).

3. The elevator wire rope maintenance device according to claim 2, wherein: At the bottom of each inclined block (17), a connecting spring (18) is arranged. The other end of each connecting spring (18) is fixedly connected to the inner wall of the groove (14). On the outer wall of the collar (13), a compression nut (19) is arranged. The compression nuts (19) are all in threaded connection with the collar (13). The inner walls of the compression nuts (19) are all abutted against the inclined blocks (17).

4. The elevator wire rope maintenance device according to claim 1, characterized in that: On one side surface of the upper box body (1) and the lower box body (2), mounting frames (20) are arranged. On the other side surface, mounting blocks (21) are arranged. The mounting blocks (21) can enter into the inside of the mounting frames (20). On the outer walls of the mounting blocks (21) and the mounting frames (20), locking holes (22) are correspondingly opened.

5. The elevator steel wire rope maintenance device according to claim 4, characterized in that: Inside the locking holes (22), locking screws (23) are movably arranged. At one end of the locking screws (23), fastening nuts (24) are arranged.

6. The elevator steel wire rope maintenance device according to claim 1, characterized in that: On the outer walls of the upper box body (1) and the lower box body (2), handles are arranged.

7. The elevator wire rope maintenance device according to claim 2, characterized in that: Inside the inner walls of the adjusting rods (7), balls (25) are rotatably arranged. Both sides of the guide roller (10) are in contact with the balls (25).

8. The elevator steel wire rope maintenance device according to claim 1, characterized in that: On the outer walls of the guide rollers (10), guide grooves (26) are opened.

9. The present invention also includes an inspection method for an elevator wire rope inspection device, characterized in that: The user can separate the upper box body (1) and the lower box body (2) to place the elevator wire rope to be inspected into the wire rope through hole (3), and then close the upper box body (1) and the lower box body (2), and make the mounting block (21) enter the mounting frame (20), and finally insert the locking screw (23) into the locking hole 22, and tighten the fastening nut (24) to fix the upper box body (1) and the lower box body (2) to fix the upper box body (1) and the lower box body (2). At this time, the wire rope can be inspected through the probe inside the upper box body (1) and the lower box body (2). When it is necessary to adjust the angle of the guide roller (10) so that it fits the wire rope, the inner wall of the guide roller (10) can be separated from the tilting block (17) by rotating the compression nut (19). At this time, the connecting spring (18) will stretch to make After the clamp block (16) leaves the fixed shaft, the adjusting rod 7 can be rotated to adjust the inclination angle of the guide roller (10), so as to facilitate the guidance of elevator wire ropes of different diameters. Finally, the clamping nut (19) is tightened to make its inner wall contact with the tilting block (17), thereby applying downward pressure to the clamp block (16) so that the clamp block (16) contacts the outer wall of the fixed shaft, thereby fixing the adjusting rod (7) for easy use. When the guide roller (10) is worn and needs to be replaced, the hand wheel (12) can be turned to make the threaded rod (11) drive the sliding block (6) to move, so that the sliding block (6) drives the two adjusting rods (7) to separate, thereby making the rotating shaft (9) separate from the mounting sleeve (8), so as to facilitate the removal and replacement of the worn guide roller (10).