Reel cable take-up and pay-off tension adjusting device
By introducing a combination of guide rollers and tension rollers into the winding equipment, along with a telescopic mechanism and a pressure sensor, the problem of cable tension adjustment is solved, enabling precise adjustment of cable tension and ensuring normal operation of the equipment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HENAN ZHUOYUE CABLE CO LTD
- Filing Date
- 2025-06-17
- Publication Date
- 2026-05-12
AI Technical Summary
Existing reel equipment cannot effectively adjust cable tension, resulting in cables that are too loose or too tight, affecting the normal operation of the equipment.
A cable winding and unwinding tension adjustment device was designed. By combining a guide wheel and a tensioning wheel with a telescopic mechanism and a pressure sensor, the cable tension can be automatically adjusted.
It enables precise adjustment of cable tension, preventing the cable from being too loose or too tight, and ensuring the normal operation of the equipment.
Smart Images
Figure CN224226382U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to a cable winding and unwinding device, specifically, to a cable winding and unwinding tension adjustment device. Background Technology
[0002] Cable reels are cable winding devices that provide power, control power, or control signals to large mobile equipment. They are widely used in heavy machinery such as port gantry cranes, container cranes, ship loaders, and tower cranes. Currently, many such reels are available on the market, such as a compact mooring cable winding winch disclosed in Chinese Patent CN222118744U, a cable reel disclosed in Chinese Patent CN220642133U, and a cable winding device for subway construction disclosed in Chinese Patent CN116924163A. However, these devices can only perform winding and unwinding operations and are not convenient for adjusting the cable tension.
[0003] In order to solve the above problems, people have been seeking an ideal technological solution. Utility Model Content
[0004] The purpose of this invention is to address the shortcomings of existing technologies by providing a tension adjustment device for cable winding and unwinding.
[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows:
[0006] A cable winding and unwinding tension adjustment device includes a first mounting plate and a second mounting plate arranged opposite to each other. The first mounting plate and the second mounting plate are connected by a plurality of connecting shafts, and each connecting shaft is provided with a guide wheel. An adjusting swing rod is also provided between the first mounting plate and the second mounting plate. One end of the adjusting swing rod is rotatably connected to the first mounting plate and the second mounting plate, and the other end of the adjusting swing rod is provided with a tensioning wheel. A drive mechanism for driving the adjusting swing rod to swing is provided between the first mounting plate and the second mounting plate.
[0007] The connecting shaft includes a plurality of first connecting shafts and a plurality of second connecting shafts arranged symmetrically; the adjusting lever includes a first adjusting lever and a second adjusting lever arranged symmetrically; the axis of symmetry of the first adjusting lever and the second adjusting lever coincides with the axis of symmetry of the first connecting shaft and the second connecting shaft.
[0008] The first connecting shafts are arranged in a fan shape, and the pivot of the first adjusting lever is located inside the arc formed by the line connecting the centers of the first connecting shafts.
[0009] The adjusting lever includes a connecting plate, one end of which is bent into an arc shape, and the other end of which is connected to a U-shaped seat. The tensioning wheel is located inside the U-shaped seat and is rotatably connected to the inner wall of the U-shaped seat.
[0010] The drive mechanism includes a telescopic mechanism, the telescopic end of which is hinged to the middle of the adjusting lever.
[0011] The telescopic end of the telescopic mechanism is connected to a pressure roller, which is tangent to the surface of the adjusting swing rod. A pivot is provided in the middle of the arc-shaped section of the adjusting swing rod, and the pivot is rotatably connected to the first mounting plate and the second mounting plate. A connecting hole is provided in the arc-shaped section of the adjusting swing rod, and a pull rod is provided between the first mounting plate and the second mounting plate. The pull rod is connected to the connecting hole by a spring.
[0012] Pressure sensors are installed on the guide wheels of one of the first connecting shafts and the second connecting shaft. The pressure sensors are associated with the telescopic mechanism through a controller, and the telescopic mechanism is controlled to extend and retract based on the detection data of the pressure sensors.
[0013] Compared to existing technologies, the advantages of this invention are as follows: This invention provides a cable winding and unwinding tension adjustment device that works in conjunction with a cable winding and unwinding machine to facilitate adjustment of the cable tension and prevent the cable from being too loose or too tight. Specifically, when the cable winding and unwinding machine is supplying cables to other equipment, the cable sequentially winds around the guide wheel and the tension wheel. By adjusting the position of the tension wheel, the cable tension is adjusted to prevent the cable from being too loose or too tight. Attached Figure Description
[0014] Figure 1 This is a schematic diagram of the structure of this utility model (I).
[0015] Figure 2 This is a schematic diagram of the structure of this utility model (II).
[0016] In the diagram: 1. First mounting plate; 2. Second mounting plate; 3. First connecting shaft; 4. Second connecting shaft; 5. Guide roller; 6. Tensioning roller; 7. U-shaped seat; 8. Telescopic mechanism; 9. Pressure roller; 10. Spring. Detailed Implementation
[0017] The technical solution of this utility model will be further described in detail below through specific embodiments.
[0018] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," and "connected," etc., should be interpreted broadly. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. "Installed," "equipped with," and "connected" can employ conventional means in the prior art, such as integral installation, snap-fit installation, welding connection, adhesive connection, bolted connection, etc. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances and select suitable connection, setting, or installation methods from the existing technology.
[0019] like Figure 1-2 As shown, a cable reel tension adjustment device includes a first mounting plate 1 and a second mounting plate 2 arranged opposite to each other. The first mounting plate 1 and the second mounting plate 2 are connected by several connecting shafts, and each connecting shaft is provided with a guide wheel 5. An adjusting lever is also provided between the first mounting plate 1 and the second mounting plate 2. One end of the adjusting lever is rotatably connected to the first mounting plate 1 and the second mounting plate 2, and the other end of the adjusting lever is provided with a tensioning wheel 6. A drive mechanism for driving the adjusting lever to swing is provided between the first mounting plate 1 and the second mounting plate 2. Specifically, bolt holes can be provided on the first mounting plate 1 and / or the second mounting plate 2 to allow it to be mounted on other equipment or support frames.
[0020] This cable reel tension adjustment device works in conjunction with the cable reel winding equipment to facilitate adjustment of the cable tension during unwinding, preventing the cable from being too loose or too tight. Specifically, when the cable reel winding equipment is supplying cables to other equipment, the cable sequentially winds around the guide roller and tension roller. By adjusting the position of the tension roller, the cable tension is adjusted to prevent the cable from being too loose or too tight.
[0021] In one embodiment, the connecting shaft includes a plurality of first connecting shafts 3 and a plurality of second connecting shafts 4 symmetrically arranged; the adjusting lever includes a first adjusting lever and a second adjusting lever symmetrically arranged; the axis of symmetry of the first adjusting lever and the second adjusting lever coincides with the axis of symmetry of the first connecting shaft 3 and the second connecting shaft 4. During use, the guide wheels on the first connecting shaft 3 and the second connecting shaft 4 can guide the two cables respectively, and the first adjusting lever and the second adjusting lever can adjust the two cables simultaneously.
[0022] In one embodiment, the first connecting shafts 3 are arranged in a fan shape, and the pivot of the first adjusting lever is located inside the arc formed by the line connecting the centers of the first connecting shafts 3.
[0023] In one embodiment, the adjusting lever includes a connecting plate, one end of which is bent into an arc shape, and the other end of which is connected to a U-shaped seat 7. The tensioning wheel 6 is located inside the U-shaped seat 7 and is rotatably connected to the inner wall of the U-shaped seat 7.
[0024] In one embodiment, the drive mechanism includes a telescopic mechanism 8, the telescopic end of which is hinged to the middle of the adjusting lever. During use, the telescopic mechanism can extend or retract as needed to adjust the angle of the adjusting lever, thereby adjusting the position of the tension wheel. Specifically, the telescopic mechanism can employ commonly used telescopic devices, such as hydraulic telescopic rods or electric telescopic rods.
[0025] In another embodiment, a pressure roller 9 is connected to the telescopic end of the telescopic mechanism 8. The pressure roller 9 is tangent to the surface of the adjusting rocker arm. A pivot is provided in the middle of the arc-shaped section of the adjusting rocker arm, and the pivot is rotatably connected to the first mounting plate 1 and the second mounting plate 2. A connecting hole is provided in the arc-shaped section of the adjusting rocker arm. A pull rod is provided between the first mounting plate 1 and the second mounting plate 2. The pull rod is connected to the connecting hole by a spring 10. The pressure roller and the spring jointly apply forces in different directions to the adjusting rocker arm to adjust its position.
[0026] In one embodiment, a pressure sensor is provided on the guide wheel 5 of one of the first connecting shafts 3 and the second connecting shaft 4. The pressure sensor is associated with the telescopic mechanism 8 via a controller, and the telescopic mechanism 8 is controlled to extend or retract based on the detection data of the pressure sensor, so as to adjust the tension of the cable. Specifically, the pressure sensor, the controller, and its control circuit all adopt existing technology.
[0027] The above embodiments can be combined with each other.
[0028] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and not to limit it; although the utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications can still be made to the specific implementation of this utility model or equivalent substitutions can be made to some technical features without departing from the spirit of the technical solution of this utility model, and all such modifications and substitutions should be covered within the scope of the technical solution claimed by this utility model.
Claims
1. A tension adjustment device for winding and unwinding cable reels, characterized in that: It includes a first mounting plate and a second mounting plate arranged opposite to each other, which are connected by several connecting shafts, and each connecting shaft is provided with a guide wheel; an adjusting swing rod is also provided between the first mounting plate and the second mounting plate, one end of the adjusting swing rod is rotatably connected to the first mounting plate and the second mounting plate, and the other end of the adjusting swing rod is provided with a tension wheel; a drive mechanism for driving the adjusting swing rod to swing is provided between the first mounting plate and the second mounting plate.
2. The cable winding and unwinding tension adjusting device according to claim 1, characterized in that: The connecting shaft includes a plurality of first connecting shafts and a plurality of second connecting shafts arranged symmetrically; the adjusting lever includes a first adjusting lever and a second adjusting lever arranged symmetrically; the axis of symmetry of the first adjusting lever and the second adjusting lever coincides with the axis of symmetry of the first connecting shaft and the second connecting shaft.
3. The cable winding and unwinding tension adjusting device according to claim 2, characterized in that: The first connecting shafts are arranged in a fan shape, and the pivot of the first adjusting lever is located inside the arc formed by the line connecting the centers of the first connecting shafts.
4. The cable winding and unwinding tension adjusting device according to claim 3, characterized in that: The adjusting lever includes a connecting plate, one end of which is bent into an arc shape, and the other end of which is connected to a U-shaped seat. The tensioning wheel is located inside the U-shaped seat and is rotatably connected to the inner wall of the U-shaped seat.
5. The cable winding and unwinding tension adjusting device according to claim 4, characterized in that: The drive mechanism includes a telescopic mechanism, the telescopic end of which is hinged to the middle of the adjusting lever.
6. The cable winding and unwinding tension adjusting device according to claim 4, characterized in that: The telescopic end of the telescopic mechanism is connected to a pressure roller, which is tangent to the surface of the adjusting swing rod. A pivot is provided in the middle of the arc-shaped section of the adjusting swing rod, and the pivot is rotatably connected to the first mounting plate and the second mounting plate. A connecting hole is provided in the arc-shaped section of the adjusting swing rod, and a pull rod is provided between the first mounting plate and the second mounting plate. The pull rod is connected to the connecting hole by a spring.
7. The cable winding and unwinding tension adjusting device according to claim 6, characterized in that: Pressure sensors are installed on the guide wheels of one of the first connecting shafts and the second connecting shaft. The pressure sensors are associated with the telescopic mechanism through a controller, and the telescopic mechanism is controlled to extend and retract based on the detection data of the pressure sensors.