Device for preventing steel wire rope of pulley from jumping out of groove
By setting up an anti-detachment mechanism and an auxiliary mechanism in the anti-detachment device of the pulley wire rope, the problem of poor anti-detachment effect in the prior art is solved, effective protection of the wire rope is achieved, and the safety of the pulley mechanism and the stability of the wire rope are ensured.
Patent Information
- Application Number
- CN202421766739.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-25
- Publication Date
- 2025-05-27
- Estimated Expiration
- 2034-07-25
AI Technical Summary
The existing anti-journal pulley device has poor anti-hopping effect and cannot effectively prevent the wire rope from falling off the pulley during use, resulting in damage to the wire rope.
A pulley wire rope anti-joint device is designed. By setting an anti-flip mechanism and an auxiliary mechanism in the pulley mechanism, the wire rope is prevented from falling out of the pulley and the friction when the wire rope slides out is slowed down. The device includes a number of auxiliary mechanisms, anti-hop mechanisms and infrared monitors. Through the coordinated work of these components, effective protection of the wire rope is achieved.
The wire rope is effectively avoided from being pulled out of the pulley during use, ensuring the safety of the pulley mechanism, and ensuring the stability of the wire rope when it slides out by reducing friction.
Smart Images

Figure CN222907380U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of wire rope anti-derailment devices, in particular to a pulley wire rope anti-derailment device. Background Technique
[0002] Bridge construction refers to the process of building a bridge according to the design content, mainly including bridge construction technology, construction organization, construction management, and construction quality. In bridge construction, pulleys are often used to transport building materials, which is convenient and has a large transportation volume, meeting the transportation needs of bridge construction. When the wire rope sways during the use of the pulley, it is easy to jump out of the pulley groove. After the wire rope jumps out of the pulley groove, the friction between the wire rope and the edge of the pulley groove is likely to cause damage to the wire rope. To prevent this situation, anti-derailment devices are mostly installed on the pulley.
[0003] In the existing pulley anti-derailment devices, most of the devices prevent the wire rope from jumping out of the pulley groove by setting baffles. In actual use, the anti-derailment effect is poor and cannot meet the use requirements. Therefore, those skilled in the art have provided a pulley wire rope anti-derailment device to solve the problems raised in the above background technique. Content of the Utility Model
[0004] The purpose of the utility model is to solve the deficiencies existing in the prior art, and a pulley wire rope anti-derailment device is proposed. When the device is in use, through the anti-disengagement mechanism set, the situation of the wire rope disengaging from the pulley is avoided, ensuring the safety of the pulley mechanism during use. Through the auxiliary mechanism set, the friction suffered by the wire rope when sliding out can be effectively reduced, ensuring the stability of the wire rope when sliding out.
[0005] To achieve the above purpose, the utility model provides the following technical solutions:
[0006] A pulley wire rope anti-derailment device includes a pulley mechanism. A plurality of auxiliary mechanisms are fixedly arranged at the lower front end of the front surface of the pulley mechanism. A fixing plate is fixedly arranged at a position slightly above the lower end of the pulley mechanism. A plurality of infrared monitors are fixedly arranged at the front position of the lower end of the fixing plate. A plurality of anti-jump mechanisms are fixedly arranged at the rear position of the lower end of the fixing plate.
[0007] Through the above technical solutions, the pulley mechanism can be used to reduce the friction when an object moves, thereby effectively improving the working efficiency during bridge construction. The fixing plate plays a role in fixing the infrared monitors and the anti-jump mechanisms. The infrared monitors can be used to monitor whether the wire rope disengages from the pulley. The anti-jump mechanisms can be used to avoid the situation of the wire rope disengaging from the pulley.
[0008] Further, the pulley mechanism includes a support frame, a pulley main body is rotatably arranged at the middle position of the support frame, and a mounting frame is fixedly arranged on the front surface of the support frame;
[0009] Through the above technical solution, the support frame plays a role in supporting and fixing the pulley, and the mounting frame plays a role in fixing the auxiliary mechanism.
[0010] Further, each of the plurality of auxiliary mechanisms includes a fixing frame, a rotating shaft is rotatably arranged inside the plurality of fixing frames, and fixing blocks are fixedly arranged on both sides of the plurality of fixing frames;
[0011] Through the above technical solution, the fixing frame plays a role in connecting and fixing the various components of the auxiliary mechanism. When the steel wire rope slides out, it can contact the rotating shaft, causing the rotating shaft to rotate, thereby effectively reducing the friction suffered by the steel wire rope when it slides out. The fixing block plays a role in fixing the rotating shaft.
[0012] Further, the plurality of fixing blocks all penetrate through the fixing frame and are fixedly connected to the rotating shaft, and threaded sleeves are sleeved on the front surfaces of the plurality of fixing frames;
[0013] Through the above technical solution, the threaded rod plays a role in installing and fixing the auxiliary mechanism on the mounting frame.
[0014] Further, each of the plurality of anti-jump mechanisms includes a fixing rod, a spring is fixedly arranged at the upper end inside each of the plurality of fixing rods, and a connecting rod is slidably arranged at the lower end inside each of the plurality of fixing rods;
[0015] Through the above technical solution, the fixing rod plays a role in connecting and fixing the anti-jump mechanism and the fixing plate, and the connecting rod plays a role in fixing the pressing block.
[0016] Further, a moving plate is fixedly arranged at the lower end of each of the plurality of springs, and limiting blocks are fixedly arranged on both sides of each of the plurality of connecting rods;
[0017] Through the above technical solution, when the spring expands and contracts, it can drive the moving plate to move. The limiting block plays a role in preventing the connecting rod from extending out of the inside of the fixing rod.
[0018] Further, a pressing rod is fixedly arranged at the lower end of each of the plurality of connecting rods, and a pressing groove is fixedly arranged at the lower end of each of the plurality of pressing rods;
[0019] Through the above technical solution, the pressing rod plays a role in fixing the pressing groove, and the pressing groove plays a role in pressing and limiting the steel wire rope.
[0020] The utility model has the following beneficial effects:
[0021] 1. A pulley wire rope anti-jumping device proposed by the present utility model. When the device is in use, the anti-jumping mechanism can press and limit the wire rope through the cooperation of the pressing rod and the pressing groove. When the wire rope slips out, the wire rope will push up the pressing groove, and the pressing groove will move upward and compress the spring. At this time, the spring can drive the pressing groove to move downward through the reaction force and press the wire rope downward, preventing the wire rope from slipping out of the pulley and ensuring the safety of the pulley mechanism during use.
[0022] 2. A pulley wire rope anti-jumping device proposed by the present utility model. When the device is in use, through the auxiliary mechanism provided, when the wire rope slips out of the pulley, the auxiliary mechanism can contact the wire rope through the rotating shaft provided, causing the rotating shaft to rotate, thereby effectively reducing the friction suffered by the wire rope when it slips out and ensuring the stability of the wire rope when it slips out. And through the infrared monitor provided, it can be used to monitor whether the wire rope slips out of the pulley, further improving the safety. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 It is the first axonometric schematic diagram proposed by the present utility model;
[0024] Figure 2 It is the second axonometric schematic diagram proposed by the present utility model;
[0025] Figure 3 It is the front view schematic diagram proposed by the present utility model;
[0026] Figure 4 It is the structural schematic diagram of the anti-jumping mechanism proposed by the present utility model.
[0027] LEGEND DESCRIPTION:
[0028] 1. Pulley mechanism; 2. Auxiliary mechanism; 3. Fixed plate; 4. Infrared monitor; 5. Anti-jumping mechanism; 101. Support frame; 102. Pulley body; 103. Mounting frame; 201. Threaded rod; 202. Rotating shaft; 203. Fixed block; 204. Fixed frame; 501. Fixed rod; 502. Spring; 503. Moving plate; 504. Limiting block; 505. Connecting rod; 506. Pressing rod; 507. Pressing groove. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0029] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present utility model.
[0030] Reference Figures 1-4 Figures 1-4 , an embodiment provided by the present utility model: a pulley wire rope anti-jumping device, which includes a pulley mechanism 1. A plurality of auxiliary mechanisms 2 are fixedly arranged at the lower end of the front side of the pulley mechanism 1, and a fixing plate 3 is fixedly arranged at a position slightly above the lower end of the pulley mechanism 1; a plurality of infrared monitors 4 are fixedly arranged at the front position of the lower end of the fixing plate 3, and a plurality of anti-jumping mechanisms 5 are fixedly arranged at the rear position of the lower end of the fixing plate 3.
[0031] The pulley mechanism 1 can be used to reduce the friction when an object moves, thereby effectively improving the working efficiency during bridge construction. The fixing plate 3 plays a role in fixing the infrared monitor 4 and the anti-jumping mechanism 5, thereby effectively ensuring the stability of the infrared monitor 4 and the anti-jumping mechanism 5 during use. The infrared monitor 4 can be used to monitor whether the wire rope slips out of the pulley, and the anti-jumping mechanism 5 can be used to prevent the wire rope from slipping out of the pulley, ensuring the safety of the pulley mechanism 1 during use.
[0032] The pulley mechanism 1 includes a support frame 101. A pulley main body 102 is rotatably arranged at the middle position of the support frame 101. An installation frame 103 is fixedly arranged on the front side of the support frame 101. Each of the plurality of auxiliary mechanisms 2 includes a fixing frame 204. A rotating shaft 202 is rotatably arranged inside the plurality of fixing frames 204. Fixing blocks 203 are fixedly arranged on both sides of the plurality of fixing frames 204. The plurality of fixing blocks 203 all penetrate through the fixing frame 204 and are fixedly connected to the rotating shaft 202. Threaded rods 201 are sleeved on the front sides of the plurality of fixing frames 204.
[0033] When the pulley mechanism 1 is in use, the support frame 101 provided plays a role in supporting and fixing the pulley, and the installation frame 103 plays a role in fixing the auxiliary mechanism 2. When the auxiliary mechanism 2 is in use, the fixing frame 204 provided can connect and fix the various components of the auxiliary mechanism 2. When the wire rope slips out of the pulley, the wire rope can contact the rotating shaft 202, causing the rotating shaft 202 to rotate, thereby effectively reducing the friction suffered when the wire rope slips out and ensuring the stability of the wire rope when it slips out. The fixing block 203 plays a role in fixing the rotating shaft 202, and the threaded rod 201 plays a role in installing and fixing the auxiliary mechanism 2 on the installation frame 103.
[0034] Each of the plurality of anti-jumping mechanisms 5 includes a fixing rod 501. Springs 502 are fixedly arranged at the upper ends inside the plurality of fixing rods 501. Connecting rods 505 are slidably arranged at the lower ends inside the plurality of fixing rods 501. Moving plates 503 are fixedly arranged at the lower ends of the plurality of springs 502. Limiting blocks 504 are fixedly arranged on both sides of the plurality of connecting rods 505. Pressing rods 506 are fixedly arranged at the lower ends of the plurality of connecting rods 505. Pressing grooves 507 are fixedly arranged at the lower ends of the plurality of pressing rods 506.
[0035] When in use, the anti-jump mechanism 5 plays a role in connecting and fixing the anti-jump mechanism 5 and the fixing plate 3 through the provided fixing rod 501. The provided connecting rod 505 plays a role in fixing the pressing rod 506. When the spring 502 expands and contracts, it can drive the moving plate 503 to move. The limiting block 504 plays a role in preventing the connecting rod 505 from protruding out of the inside of the fixing rod 501. The pressing rod 506 plays a role in fixing the pressing groove 507. The pressing groove 507 plays a role in pressing and limiting the steel wire rope.
[0036] Working principle: When the device is in use, during the hoisting and lifting or guiding operation, when the steel wire rope slides out of the pulley, the steel wire rope can contact the rotating shaft 202, causing the rotating shaft 202 to rotate, thereby effectively reducing the friction suffered by the steel wire rope when it slides out and ensuring the stability of the steel wire rope when it slides out. The anti-jump mechanism 5 can realize pressing and limiting the steel wire rope through the cooperation of the provided pressing rod 506 and pressing groove 507. When the steel wire rope slides out, the steel wire rope will push up the pressing groove 507. The pressing groove 507 will move upward and squeeze the spring 502. At this time, the spring 502 can drive the pressing groove 507 to move downward through the reaction force and press the steel wire rope downward, avoiding the situation that the steel wire rope slips out of the pulley and ensuring the safety of the pulley mechanism 1 when in use.
[0037] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims
1. A pulley wire rope anti-groove jumping device, comprising a pulley mechanism (1), characterized in that: A plurality of auxiliary mechanisms (2) are fixedly arranged at the lower front end of the pulley mechanism (1), and a fixing plate (3) is fixedly arranged at a position slightly above the lower end of the pulley mechanism (1); A plurality of infrared monitors (4) are fixedly arranged at the front position of the lower end of the fixing plate (3), and a plurality of anti-jump mechanisms (5) are fixedly arranged at the rear position of the lower end of the fixing plate (3).
2. A pulley wire rope anti-groove jumping device according to claim 1, characterized in that: The pulley mechanism (1) comprises a support frame (101), a pulley body (102) is rotatably arranged at the middle position of the support frame (101), and a mounting frame (103) is fixedly arranged at the front of the support frame (101).
3. A pulley wire rope anti-groove jumping device according to claim 1, characterized in that: The plurality of auxiliary mechanisms (2) each comprises a fixed frame (204), a rotating shaft (202) is rotatably arranged inside the plurality of fixed frames (204), and fixed blocks (203) are fixedly arranged on both sides of the plurality of fixed frames (204).
4. A pulley wire rope anti-groove jumping device according to claim 3, characterized in that: The plurality of fixed blocks (203) all penetrate the fixed frame (204) and are fixedly connected to the rotating shaft (202), and the front faces of the plurality of fixed frames (204) are all threadedly sleeved with threaded rods (201).
5. The pulley wire rope anti-groove jumping device according to claim 1, characterized in that: The plurality of anti-jump mechanisms (5) each comprise a fixed rod (501), a spring (502) is fixedly arranged at the upper end of each of the plurality of fixed rods (501), and a connecting rod (505) is slidably arranged at the lower end of each of the plurality of fixed rods (501).
6. A pulley wire rope anti-groove jumping device according to claim 5, characterized in that: A movable plate (503) is fixedly arranged at the lower ends of the plurality of springs (502), and a limiting block (504) is fixedly arranged at both sides of the plurality of connecting rods (505).
7. The pulley wire rope anti-groove jumping device according to claim 5, characterized in that: A pressing rod (506) is fixedly provided at the lower end of each of the plurality of connecting rods (505), and a pressing groove (507) is fixedly provided at the lower end of each of the plurality of pressing rods (506).