A tear string anti-rebound winding device
By designing an anti-rebound tear rope winding device, the rotation shaft is stopped and reversed by friction between the brake pads and brake rings. Combined with a hydraulic rod for quick tear rope replacement, the problems of high cost and cumbersome replacement of existing devices are solved, achieving efficient anti-rebound and easy replacement.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHANGSHU XIANGTAI PHOTOELECTRIC MATERIAL
- Filing Date
- 2025-09-26
- Publication Date
- 2026-07-24
AI Technical Summary
Existing tear rope winding devices lack anti-rebound functionality, resulting in high costs and a cumbersome and inconvenient replacement process.
A tear rope anti-rebound winding device was designed, comprising a body, a slide plate, a support frame, a brake ring, and a hydraulic rod. The device stops the rotation shaft from reversing by the frictional contact between the brake pad and the brake ring, uses the hydraulic rod to quickly replace the tear rope, and is fixed to the cable reel by a plug.
It effectively prevents the rebound caused by the breakage of the tear rope, reduces the cost of the device, simplifies the tear rope replacement process, and improves operational efficiency and safety.
Smart Images

Figure CN224547734U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of optical fiber and cable manufacturing, and in particular to a tear rope anti-rebound winding device. Background Technology
[0002] During the production of optical cables, tear cords are used to fill the gaps in the cable. These tear cords are typically made of plastic materials such as polypropylene, offering good insulation and chemical resistance. In the cable construction, tear cords not only improve the cable's mechanical strength but also prevent moisture and humidity from penetrating the cable, thus protecting the optical fiber from damage. When a tear cord breaks, its elastic contraction drives the cord to move in the direction of contraction. Since one end of the cord is wound around a cable reel, this strong contractile force forces the reel to rotate in the opposite direction to the unwinding direction. A tear cord anti-rebound winding device effectively prevents this from happening.
[0003] However, existing ordinary rip rope winding devices lack anti-rebound functionality, and those with anti-rebound functionality are made with precision components, resulting in excessively high costs that are difficult for small businesses to afford. Furthermore, existing rip rope winding devices require replacement with new rip rope after the cable reel is used up, but this process is cumbersome, time-consuming, and labor-intensive.
[0004] Therefore, this application provides a tear rope anti-rebound winding device to solve the problems mentioned in the background art. Utility Model Content
[0005] The purpose of this invention is to address the shortcomings of existing technologies by proposing a tear rope anti-rebound winding device. This device can effectively prevent the tear rope from rebounding due to breakage, and it can also quickly replace the tear rope.
[0006] To achieve the above objectives, the present invention provides the following technical solution:
[0007] A tear rope anti-rebound winding device includes a body, a slide plate, and a support frame. A safety cover is hinged to the upper end of the body near the rear end via a pin. A first outer shell is fixedly installed on the inner wall of one side of the body, and a brake ring is fixedly installed on the inner wall of the first outer shell. A second outer shell is fixedly installed on one side of the outer wall of the slide plate. A rotating shaft is rotatably installed on the inner wall of one side of the first outer shell and the inner wall of the second outer shell via bearings. Multiple limiting plates are fixedly installed on the outer wall of one of the two rotating shafts near the rear end of the multiple limiting plates. A connecting column is rotatably installed on the outer wall of the multiple connecting columns at one end. A rising cavity is opened on the bottom surface of the body near the outer wall. Two rollers are rotatably installed on the inner walls of both sides of the support frame via multiple bearings.
[0008] Furthermore, baffles are fixedly connected to the periphery of both rotating shafts, and four inserts are fixedly provided on both sides of the outer wall of the two baffles.
[0009] Furthermore, a first hydraulic rod is fixedly installed on the inner wall of the other side of the machine body, and the sliding end of the first hydraulic rod is fixedly connected to one side of the outer wall of the slide plate.
[0010] Furthermore, a second hydraulic rod is fixedly installed in the middle of the bottom surface of the rising cavity, and the sliding end of the second hydraulic rod is fixedly connected to the lower end face of the support frame.
[0011] Furthermore, the slide plate is slidably disposed on the bottom surface of the machine body against the inner wall on the other side, and the support frame is slidably disposed inside the rising cavity.
[0012] Furthermore, the front end of the safety cover has two guide wheels mounted on the outer wall side via bearings.
[0013] Furthermore, a control panel is fixedly installed on the lower side of the front end of the machine body.
[0014] This utility model has the following beneficial effects:
[0015] 1. The present invention proposes a tear rope anti-rebound winding device. When using the device, if the tear rope suddenly breaks, causing the cable reel and two rotating shafts to reverse, multiple connecting columns inside the first housing will stand up, causing multiple brake pads to rub against the brake rings and thus stop the device. Before the next use, simply rotate it forward once.
[0016] 2. The present invention proposes a tear rope anti-rebound winding device. When using the device, first place the cable reel of the new tear rope on the upper end of the two rollers, then start the second hydraulic rod through the control panel to lift the cable reel until it is horizontal and parallel to the two rotating shafts. Then adjust the angle of the cable reel so that the multiple holes on the side of the cable reel are aligned with the multiple inserts. Then start the first hydraulic rod through the control panel to push and clamp the cable reel with the four inserts on the other side and the rotating shaft on the other side. Finally, control the second hydraulic rod through the control panel to retract the support frame for use. Attached Figure Description
[0017] Figure 1 This is an overall isometric schematic diagram of the present invention;
[0018] Figure 2 This is a schematic diagram of the internal structure of the first outer shell of the rotating shaft of this utility model when rotating forward;
[0019] Figure 3 This is a schematic diagram of the internal structure of the first outer shell of the rotating shaft reversing according to this utility model;
[0020] Figure 4 This is a schematic diagram of the skateboard connection structure of this utility model;
[0021] Figure 5 This is a schematic diagram of the internal structure of the rising cavity of this utility model.
[0022] Legend:
[0023] 1. Machine body; 2. Safety cover; 3. Guide wheel; 4. First outer shell; 5. Brake ring; 6. Rotating shaft; 7. Limiting plate; 8. Baffle; 9. Brake pad; 10. Connecting column; 11. Insert block; 12. First hydraulic rod; 13. Slide plate; 14. Second outer shell; 15. Lifting chamber; 16. Second hydraulic rod; 17. Support frame; 18. Roller. Detailed Implementation
[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0025] Reference Figure 1 — Figure 5 This utility model provides an embodiment of a tear rope anti-rebound winding device, comprising a body 1, a slide plate 13, and a support frame 17. A safety cover 2 is hinged to the rear end of the upper surface of the body 1 via a pin. Two guide wheels 3 are rotatably mounted on the front end of the safety cover 2 near the outer wall via bearings. A control panel is fixedly mounted on the lower front end of the body 1. A first outer shell 4 is fixedly mounted on the inner wall of one side of the body 1. A brake ring 5 is fixedly mounted on the inner wall of the first outer shell 4. A second outer shell 14 is fixedly mounted on one side of the outer wall of the slide plate 13. Rotary bearings are rotatably mounted on the inner walls of both the first outer shell 4 and the second outer shell 14. Shaft 6, one of the two rotating shafts 6 has multiple limiting plates 7 fixedly installed on the outer wall of one of the rotating shafts 6. The outer wall of the rotating shaft 6 on one of the two rotating shafts 6 is connected to the rear end of the multiple limiting plates 7 by a pin shaft. Brake pads 9 are fixedly connected to one end of the outer wall of the multiple connecting pins 10. Baffles 8 are fixedly connected to the periphery of the two rotating shafts 6. Four inserts 11 are fixedly installed on both sides of the outer wall of the two baffles 8. A first hydraulic rod 12 is fixedly installed on the inner wall of the other side of the machine body 1. The sliding end of the first hydraulic rod 12 is fixedly connected to one side of the outer wall of the slide plate 13. The slide plate 13 is slidably installed on the inner bottom surface of the machine body 1 near the other side of the inner wall.
[0026] Specifically, when using this device, first, control the second hydraulic rod 16 to retract via the control panel. Then, the worker uses a cable reel transport vehicle to place the cable reel on the upper end of the two rollers 18, located between the two rollers 18 and on the other side of the outer wall. Then, the second hydraulic rod 16 is activated via the control panel to drive the support frame 17, which in turn drives the two rollers 18 and the cable reel to rise. The second hydraulic rod 16 is stopped when the center of the cable reel is parallel to the rotating shaft 6. Then, the angle of the cable reel is adjusted according to the position of the multiple inserts 11 so that the multiple inserts 11 can be inserted into the holes on the side of the cable reel. Then, the first hydraulic rod 12 is activated to drive the right rotating shaft 6, the four inserts 11, and the second outer shell 14 to push the cable reel. Once all the inserts 11 are inserted into the holes on the side of the cable reel and both rotating shafts 6 are inserted into the center hole of the cable reel to clamp the cable reel, the second hydraulic rod 16 is activated via the control panel to retract the support frame 17 downward. One end of the tear rope is passed through the two guide wheels 3 on the safety cover 2. Then, the safety cover 2 is closed and the device is ready for use. During normal cable laying, the tear rope is taut by the traction device and is in a stretched state. Due to its inherent elasticity, it stores elastic potential energy. When the tear rope suddenly breaks, this constraint disappears instantly. The stored elastic potential energy is immediately released and converted into kinetic energy, which drives the tear rope to move in the contraction direction. Since one end of the tear rope is wound around the cable reel and fixed to the two rotating shafts 6, this strong contraction force forces the cable reel and the two rotating shafts 6 to rotate in the opposite direction to the cable laying direction. During normal use, multiple connecting posts 10 will rotate in the same direction as the rotating shafts 6. If the rotation suddenly reverses, multiple connecting posts 10 will be affected by centrifugal force, and multiple brake pads 9 will contact the brake rings 5 to stop the rotation and prevent further reversal. The safety cover 2 prevents personnel from entering the equipment and being injured. The two guide wheels 3 prevent the tear rope from abrading the safety cover 2. The device can be controlled through the control panel. A brake ring 5 can be installed inside the first outer casing 4. Multiple connecting posts 10 and multiple brake pads 9 are provided on the outer wall of the rotating shaft 6 on one side. When reverse rotation occurs, the multiple brake pads 9 will come into frictional contact with the brake ring 5 to stop the rotation. Multiple inserts 11 can be used to fix the cable reel to prevent it from rotating. A first hydraulic rod 12 can push a sliding plate 13 to move the multiple inserts 11, thus pushing and fixing the cable reel.
[0027] Reference Figure 5 The machine body 1 has an ascending cavity 15 on the inner bottom surface near the outer wall. The inner walls of the support frame 17 are equipped with two rollers 18 through multiple bearings. The middle of the inner bottom surface of the ascending cavity 15 is fixedly installed with a second hydraulic rod 16. The sliding end of the second hydraulic rod 16 is fixedly connected to the lower end face of the support frame 17. The support frame 17 is slidably installed inside the ascending cavity 15.
[0028] Specifically, the cable reel can be supported by the second hydraulic rod 16. The cable reel is placed on the upper end of the two rollers 18, and the first hydraulic rod 12 is driven to push and clamp the cable reel. After clamping is completed, the second hydraulic rod 16 is activated to retract the support frame 17 and the two rollers 18.
[0029] Working principle: When using this device, first place the cable reel on the upper end of the two rollers 18. Through the control panel, start the second hydraulic rod 16 to support and move the support frame 17 until it is in a horizontally parallel position between the two rotating shafts 6. Then start the first hydraulic rod 12 to drive multiple inserts 11 to push and clamp the cable reel. After clamping, pass the tear rope through the middle of the two guide wheels 3. Then close the safety cover 2 and it can be used. When the tear rope breaks and causes the two internal rotating shafts 6 to reverse, the multiple connecting columns 10 will be subjected to centrifugal force and stand upright, causing multiple brake pads 9 to rub against the brake rings 5 and thus stop. When rotating in the forward direction, it will return to its original state.
[0030] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A tear rope anti-rebound winding device, comprising a body (1), a sliding plate (13), and a support frame (17), characterized in that: A safety cover (2) is hinged to the upper end of the machine body (1) near the rear end by a pin. A first outer shell (4) is fixedly installed on one side of the inner wall of the machine body (1). A brake ring (5) is fixedly installed on the inner wall of the first outer shell (4). A second outer shell (14) is fixedly installed on one side of the outer wall of the slide plate (13). A rotating shaft (6) is rotatably installed on the inner wall of one side of the first outer shell (4) and the inner wall of the second outer shell (14) via bearings. Multiple limiting plates (7) are fixedly installed on the outer wall of one side of the two rotating shafts (6). A connecting column (10) is rotatably installed on the outer wall of one side of the two rotating shafts (6) at the rear end of the multiple limiting plates (7) via a pin. A brake pad (9) is fixedly connected to one end of the outer wall of the multiple connecting columns (10). A rising cavity (15) is opened on the inner bottom surface of the machine body (1) near the outer wall. Two rollers (18) are rotatably installed on the inner walls of both sides of the support frame (17) via multiple bearings.
2. The anti-rebound winding device for tear-resistant rope according to claim 1, characterized in that: Both of the two rotating shafts (6) are fixedly connected to baffles (8), and four inserts (11) are fixedly installed on both sides of the outer wall of the two baffles (8).
3. The anti-rebound winding device for tear-resistant rope according to claim 1, characterized in that: A first hydraulic rod (12) is fixedly installed on the inner wall of the other side of the body (1), and the sliding end of the first hydraulic rod (12) is fixedly connected to one side of the outer wall of the slide plate (13).
4. The anti-rebound winding device for tear-resistant rope according to claim 1, characterized in that: A second hydraulic rod (16) is fixedly installed in the middle of the bottom surface of the rising cavity (15), and the sliding end of the second hydraulic rod (16) is fixedly connected to the lower end face of the support frame (17).
5. The anti-rebound winding device for tear-resistant rope according to claim 1, characterized in that: The slide plate (13) is slidably disposed on the inner bottom surface of the body (1) against the inner wall on the other side, and the support frame (17) is slidably disposed inside the rising cavity (15).
6. The anti-rebound winding device for tear-resistant rope according to claim 1, characterized in that: The safety cover (2) has two guide wheels (3) mounted on the outer wall side at the front end via a bearing.
7. The anti-rebound winding device for tear-resistant rope according to claim 1, characterized in that: A control panel is fixedly installed on the other side of the lower end of the front end of the body (1).