Miniature electric tensioner for power lines

By designing a miniature electric tensioner, precise tension control of power lines and convenient replacement of the coil are achieved, solving the problems of inaccurate tension control and inconvenient coil replacement in existing technologies, thus improving construction efficiency and safety.

CN224677490UActive Publication Date: 2026-08-25GANSU CHENGXIN POWER EQUIP MFG
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Patent Information

Application Number
CN202522282555.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-10-29
Publication Date
2026-08-25
Estimated Expiration
2035-10-29

AI Technical Summary

Technical Problem

In existing technologies, tension control is not precise during power line tension laying, making it difficult to achieve constant tension laying, and the replacement of the reel is inconvenient.

Method used

A miniature electric tensioner for power transmission lines was designed, comprising a frame, a power unit, a wire reel assembly, and a controller. It achieves constant tension wire feeding by driving the transmission components with a motor and supports detachable connection of the wire reel for easy replacement.

Benefits of technology

It achieves precise control of cable tension, simplifies the cable reel replacement process, reduces labor costs, improves safety and construction efficiency, and meets the requirements of green construction.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to power transmission line construction equipment technical field, the utility model solves the technical problem that the reel is inconvenient to replace. In order to solve the above technical problem, the utility model provides a kind of for power transmission line's micro electric tension machine.The utility model includes: frame body;Power component, including motor and transmission part, motor is connected with frame body, the output of motor is connected with transmission part, for driving transmission part rotation;Reel component, including pivot, outer ring and reel body;The both ends of pivot are detachably connected with frame body;Outer ring is sleeved on pivot, and outer ring rotates relative to pivot;Reel body is detachably connected with outer ring;The output of reel body and transmission part is detachably connected, cable is wound on reel body;Controller, with power component electric connection.The utility model realizes quick replacement reel body;It is convenient to accurately control the tension of unwinding cable, need not personnel to be close to operation, reduce artificial cost, improve security.
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Description

Technical Field

[0001] This utility model relates to the technical field of power transmission line construction equipment, and in particular to a miniature electric tensioner for power transmission lines. Background Technology

[0002] In tensioning power line installation, lightweight Dyneema rope is typically laid out as a guide rope. Currently, tensioning operations often employ a simple reel combined with manual tensioning. However, this existing technology has several problems: firstly, the manual reel method results in inaccurate tension control, making it difficult to achieve constant tension; secondly, reel replacement is inconvenient. Utility Model Content

[0003] Therefore, the technical problem to be solved by this utility model is to overcome the above-mentioned problems existing in the prior art.

[0004] To solve the above-mentioned technical problems, this utility model provides a miniature electric tensioner for power transmission lines, comprising:

[0005] Frame;

[0006] The power assembly includes a motor and a transmission unit. The motor is connected to the frame, and the output end of the motor is connected to the transmission unit to drive the transmission unit to rotate.

[0007] The cable reel assembly includes a rotating shaft, an outer ring, and a cable reel body; both ends of the rotating shaft are detachably connected to the frame; the outer ring is fitted onto the rotating shaft and rotates relative to the rotating shaft; the cable reel body is detachably connected to the outer ring; the cable reel body is detachably connected to the output end of the transmission unit, and the cable is wound on the cable reel body.

[0008] The controller is electrically connected to the power components.

[0009] In one embodiment of this utility model, the application further includes a first connecting component; the first connecting component includes a mounting sleeve, an elastic pin, and a spring; the mounting sleeve is connected to the frame, one end of the mounting sleeve is provided with a mounting hole coaxial with it, and the mounting sleeve is provided with a notch communicating with the mounting hole; one end of the rotating shaft is inserted into the mounting hole from the notch; the other end of the mounting sleeve is provided with a sliding groove communicating with the mounting hole; one end of the rotating shaft is provided with a pin hole, and the elastic pin is slidably connected in the sliding groove by the spring, and the elastic pin is inserted into the pin hole.

[0010] In one embodiment of this utility model, a lever is rotatably connected to the drive gear; the coil body is provided with a slot, and the lever engages with the slot after rotation.

[0011] In one embodiment of this utility model, the application further includes a second connecting component; the second connecting component includes a base and a locking component; the base is connected to the frame, the top of the base is provided with a slot, the other end of the rotating shaft is installed in the slot, and the base is connected to the locking component to limit the rotating shaft in the slot.

[0012] In one embodiment of this utility model, the coil body further includes two intermediate connectors, two coil bodies, and a connecting part; the intermediate connectors and coil bodies are arranged in a one-to-one correspondence and are detachably connected; the two coil bodies are connected through the connecting part; of the two intermediate connectors, one is fixedly connected to one end of the outer ring, and the other is detachably connected to the other end of the outer ring.

[0013] In one embodiment of this utility model, the inner side of the intermediate connector is provided with a plurality of connecting pins, which are spaced apart circumferentially; the disc body is provided with a plurality of through holes, and the connecting pins are inserted into the through holes.

[0014] In one embodiment of this utility model, the transmission part includes a driving gear and a driven gear; the driving gear is connected to the output end of the motor, the driven gear meshes with the driving gear, and the driven gear is connected to the coil body.

[0015] In one embodiment of this utility model, a sensor is provided on the motor for real-time monitoring of the motor's speed and torque; the sensor is electrically connected to the controller.

[0016] In one embodiment of this utility model, the application also includes an alarm, which is electrically connected to the controller.

[0017] In one embodiment of this utility model, the rotating shaft and the outer ring are rotatably connected by a bearing.

[0018] The above-mentioned technical solution of this utility model has the following advantages compared with the prior art:

[0019] The miniature electric tensioner for power transmission lines described in this utility model has a detachable connection between its rotating shaft and frame, a detachable connection between the reel body and the outer ring, and a detachable connection between the reel body and the output end of the transmission unit. This allows the reel body to be rotated by a motor to lay out the cable, facilitates the replacement of the reel body, and ensures the stable and reliable connection between the reel assembly and the power assembly. This application uses a controller to control the power assembly, thereby controlling the tension of the laid cable and achieving constant tension laying. Therefore, this application enables quick replacement of the reel body; it allows for automated control, facilitating precise control of the laid cable tension without requiring personnel to approach the device, reducing labor costs and improving safety. Attached Figure Description

[0020] To make the content of this utility model easier to understand, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings, wherein:

[0021] Figure 1 This is a schematic diagram of the structure of a miniature electric tensioner for power transmission lines in a preferred embodiment of the present invention;

[0022] Figure 2 yes Figure 1 The front view shown is of a miniature electric tensioner used in power transmission lines.

[0023] Figure 3 yes Figure 2 AA section view;

[0024] Figure 4 yes Figure 3 Enlarged view of point B;

[0025] Figure 5 yes Figure 3 Enlarged view of point C;

[0026] Figure 6 yes Figure 1 A partial enlargement of the miniature electric tensioner for power transmission lines is shown. Figure 1 ;

[0027] Figure 7 yes Figure 1 A partial enlargement of the miniature electric tensioner for power transmission lines is shown. Figure 2 ;

[0028] Instruction manual drawing reference numerals: 100, frame;

[0029] 200. Power assembly; 210. Motor; 220. Transmission unit; 221. Drive gear; 222. Driven gear; 230. Pulley;

[0030] 300. Reel assembly; 310. Shaft; 311. Pin hole; 320. Outer ring; 330. Reel body; 331. Slot; 332. Intermediate connector; 333. Reel body; 334. Connecting pin; 335. Through hole; 336. Connecting part; 340. Sleeve; 350. Limiting component; 351. Handle;

[0031] 400. Controller;

[0032] 500, First connecting assembly; 510, Mounting bushing; 511, Slide groove; 520, Resilient ejector pin; 530, Spring; 540, Mounting hole; 541, Notch; 550, Handle;

[0033] 600, Second connecting component; 610, Base; 611, Slot; 620, Locking component; 621, Linkage rod; 622, Base. Detailed Implementation

[0034] The present invention will be further described below with reference to the accompanying drawings and specific embodiments, so that those skilled in the art can better understand and implement the present invention. However, the embodiments are not intended to limit the present invention.

[0035] Reference Figures 1-7 As shown, this utility model embodiment provides a miniature electric tensioner for power transmission lines, including a frame 100, a power component 200, a coil assembly 300, and a controller 400.

[0036] The frame 100 can be assembled by welding structural components such as steel pipes. The frame 100 is used to support the power unit 200 and the cable reel assembly 300, etc.

[0037] The power assembly 200 includes a motor 210 and a transmission part 220. The motor 210 is connected to the frame 100, and the output end of the motor 210 is connected to the transmission part 220 to drive the transmission part 220 to rotate.

[0038] The cable reel assembly 300 includes a rotating shaft 310, an outer ring 320, and a cable reel body 330; both ends of the rotating shaft 310 are detachably connected to the frame 100; the outer ring 320 is sleeved on the rotating shaft 310 and rotates relative to the rotating shaft 310; the cable reel body 330 is detachably connected to the outer ring 320; the cable reel body 330 is detachably connected to the output end of the transmission unit 220, and the cable is wound on the cable reel body 330.

[0039] The controller 400 is electrically connected to the power unit 200.

[0040] Specifically, in this embodiment, the rotating shaft 310 is detachably connected to the frame 100, the reel body 330 is detachably connected to the outer ring 320, and the reel body 330 is detachably connected to the output end of the transmission unit 220. This allows the reel body 330 to be rotated by a motor to lay out the cable, facilitates the replacement of the reel body 330, and ensures the stable and reliable connection between the reel assembly 300 and the power assembly 200. The controller 400 can control the power assembly 200 to control the tension of the laid cable, achieving constant tension laying. Therefore, this application enables quick replacement of the reel body 330; it allows for automated control, facilitating precise control of the tension of the laid cable, eliminating the need for personnel to approach the application for operation, reducing labor costs, and improving safety.

[0041] Furthermore, this application also includes a first connecting assembly 500; the first connecting assembly 500 includes a mounting sleeve 510, an elastic pin 520, and a spring 530; the mounting sleeve 510 is connected to the frame 100, one end of the mounting sleeve 510 is provided with a mounting hole 540 coaxial with it, the mounting sleeve 510 is provided with a notch 541 communicating with the mounting hole 540, the notch 541 is located on the top of the mounting sleeve 510; one end of the rotating shaft 310 is detachably inserted into the mounting hole 540 of the mounting sleeve 510 from the notch 541; the other end of the mounting sleeve 510 is provided with a sliding groove 511, the sliding groove 511 communicating with the mounting hole 540; one end of the rotating shaft 310 is provided with a pin hole 311, the elastic pin 520 is slidably connected in the sliding groove 511 by the spring 530, and the elastic pin 520 is inserted into the pin hole 311. In some embodiments, the outer end of the elastic ejector pin 520 is provided with a handle 550, which facilitates pulling the elastic ejector pin 520 outward to disengage it from the ejector pin hole 311. When the elastic ejector pin 520 is pulled outward to disengage it from the ejector pin hole 311, the spring 530 is compressed. After the elastic ejector pin 520 is released, under the action of the spring 530, the elastic ejector pin 520 moves back into the ejector pin hole 311 and is inserted into the ejector pin hole 311.

[0042] Specifically, in this embodiment, the notch 541 facilitates the detachable connection of the rotating shaft 310 to the mounting sleeve 510, and the elastic pin 520 is inserted into and removed from the pin hole 311 by sliding in the groove 511; when the elastic pin 520 is inserted into the pin hole 311, the mounting sleeve 510 and the rotating shaft 310 are fixed; when the elastic pin 520 is pulled outward to remove it from the pin hole 311, the rotating shaft 310 can be easily removed from the mounting sleeve 510.

[0043] Furthermore, the transmission unit 220 includes a driving gear 221 and a driven gear 222; the driving gear 221 is connected to the output end of the motor 210, the driven gear 222 meshes with the driving gear 221, and the driven gear 222 is connected to the coil body 330.

[0044] Specifically, this embodiment achieves power transmission through the meshing of two gears (driving gear 221 and driven gear 222), which is highly efficient, reliable, compact, reliable in operation, and has a long service life; it can ensure the accuracy and stability of motion transmission; and it is small in size and light in weight.

[0045] Furthermore, a lever 230 is rotatably connected to the transmission unit 220; a slot 331 is provided on the coil body 330, and in some embodiments, the slot 331 is provided on the intermediate connector 332. The lever 230 engages with the slot 331 after rotation. In some embodiments, the drive gear 221 of the transmission unit 220 is provided with a connecting lug, and the lever 230 is rotatably connected to the connecting lug (for example, the lever 230 is connected to the connecting lug by bolts, and the rotation of the lever 230 and its relative fixation to the target position are achieved by installing and removing the bolts).

[0046] Specifically, in this embodiment, the rotating lever 230 engages with the slot 331, thereby connecting the drive gear 221 with the reel body 330. This allows power to be output to the reel body 330, facilitating its rotation for cable unloading. When the reel body 330 needs to be disassembled and replaced, the lever 230 is rotated until it disengages from the slot 331.

[0047] Furthermore, this application also includes a second connecting assembly 600; the second connecting assembly 600 includes a base 610 and a locking component 620; the base 610 is connected to the frame 100, and a slot 611 is provided on the top of the base 610, the other end of the rotating shaft 310 is installed in the slot 611, and the base 610 is connected to the locking component 620 to limit the rotating shaft 310 in the slot 611. In some embodiments, the locking component 620 includes a connecting rod 621 and a base 622, the base 610 is disposed on top of the base 622, and both ends of the connecting rod 621 are respectively connected to the base 622 by bolts, the connecting rod 621 being located above the base 610.

[0048] Specifically, in this embodiment, one end of the rotating shaft 310 is placed in the slot 611 of the base 610, and then the rotating shaft 310 and the base 610 are detachably connected by locking and unlocking the locking component 620 and the base 610, which is simple in structure.

[0049] Furthermore, the coil body 330 also includes two intermediate connectors 332, two coil bodies 333, and a connecting portion 336; the intermediate connectors 332 and coil bodies 333 are correspondingly arranged one-to-one and are detachably connected; the two coil bodies 333 are connected by the connecting portion 336; of the two intermediate connectors 332, one is fixedly connected to one end of the outer ring 320, and the other is detachably connected to the other end of the outer ring 320. In some embodiments, the intermediate connector 332 detachably connected to the other end of the outer ring 320 is provided with a sleeve 340. The sleeve 340 is sleeved on the outer ring 320, and a limiting member 350 coaxially connected to the outer ring 320 is threaded on it, the limiting member 350 abutting against one side of the sleeve 340. The limiting member 350 is provided with a handle 351 to facilitate the rotation and locking of the limiting member 350.

[0050] Specifically, in this embodiment, the intermediate connector 332 is detachably connected to the disk body 333, which facilitates the replacement of the disk body 333.

[0051] Furthermore, the inner side of the intermediate connector 332 is provided with a plurality of connecting pins 334, which are spaced apart in the circumferential direction; the disc body 333 is provided with a plurality of through holes 335, and the connecting pins 334 are inserted into the through holes 335.

[0052] Specifically, in this embodiment, the connecting pin 334 is inserted into the through hole 335 to enable quick installation and disassembly of the intermediate connector 332 and the disc body 333, facilitating rapid operation and improving efficiency.

[0053] Furthermore, the motor 210 is equipped with a sensor for real-time monitoring of the motor 210's speed and torque; the sensor is electrically connected to the controller 400.

[0054] Specifically, in this embodiment, the speed and torque of the motor 210 can be monitored in real time through sensors, and the signal is fed back to the controller 400 so that the operator can be aware of it.

[0055] Furthermore, this application also includes an alarm device electrically connected to the controller 400.

[0056] Specifically, when the torque or speed exceeds the threshold, the alarm will sound, so that the operator can be aware and take timely measures.

[0057] Furthermore, the rotating shaft 310 and the outer ring 320 are rotatably connected by bearings.

[0058] In some comparative embodiments, the equipment is noisy and emits exhaust fumes, failing to meet national "dual carbon" targets and green construction requirements. Furthermore, the lack of remote control functionality forces operators to work near the equipment, making it impossible to effectively avoid hazards posed by rotating parts.

[0059] This application uses electricity as its power source, resulting in zero emissions and meeting the requirements of green construction. Furthermore, this application can be equipped with remote control, allowing operators to control its start / stop, tension adjustment, etc., from a safe distance via a remote control device, reducing contact with rotating components (such as the coil assembly 300), thus ensuring high safety. Remote control and real-time parameter monitoring reduce operational difficulty, decrease reliance on manual labor, and enhance the level of intelligence and automation. The controller 400 can monitor and display operating parameters (such as tension and speed) in real time.

[0060] This application is small in size, light in weight, remotely controllable, zero-emission, and can provide stable tension for lightweight guide ropes to improve construction efficiency, ensure operational safety, and achieve green construction.

[0061] This application adopts a split, lightweight design (single unit weight ≤100kg), which can be easily moved by manpower over short distances, and is especially suitable for operations in complex terrains such as mountainous areas and forests where transportation is inconvenient.

[0062] This application aims to improve construction efficiency, ensure operational safety, achieve green construction, enhance terrain adaptability, and provide intelligent and convenient operation.

[0063] The components of this application are detachable and connectable, facilitating manual handling and transportation in complex terrain.

[0064] This application also includes multiple batteries, and a depleted battery can be replaced once fully charged. A fully charged battery can be used by other components. The battery cells are equipped with dissipation resistors so that excess electrical energy can be converted into heat and dissipated when there is no need for charging.

[0065] Obviously, the above embodiments are merely illustrative examples for clear explanation and are not intended to limit the implementation. Those skilled in the art will recognize that other variations or modifications can be made based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. However, obvious variations or modifications derived therefrom are still within the protection scope of this invention.

Claims

1. A miniature electric tensioner for power transmission lines, characterized in that: include: Frame; The power assembly includes a motor and a transmission unit. The motor is connected to the frame, and the output end of the motor is connected to the transmission unit for driving the transmission unit to rotate. A spool assembly includes a rotating shaft, an outer ring, and a spool body; both ends of the rotating shaft are detachably connected to the frame; the outer ring is sleeved on the rotating shaft and rotates relative to the rotating shaft; the spool body is detachably connected to the outer ring; the spool body is detachably connected to the output end of the transmission unit, and the cable is wound around the spool body. The controller is electrically connected to the power component.

2. The miniature electric tensioner for transmission lines according to claim 1, characterized in that: It also includes a first connecting assembly; the first connecting assembly includes a mounting bushing, an elastic pin, and a spring; the mounting bushing is connected to the frame, one end of the mounting bushing has a mounting hole coaxial with it, and the mounting bushing has a notch communicating with the mounting hole; one end of the rotating shaft is inserted into the mounting hole through the notch; the other end of the mounting bushing has a sliding groove communicating with the mounting hole; one end of the rotating shaft has a pin hole, the elastic pin is slidably connected in the sliding groove by the spring, and the elastic pin is inserted into the pin hole.

3. The miniature electric tensioner for transmission lines according to claim 1, characterized in that: The transmission unit includes a driving gear and a driven gear; the driving gear is connected to the output end of the motor, the driven gear meshes with the driving gear, and the driven gear is connected to the coil body.

4. The miniature electric tensioner for transmission lines according to claim 3, characterized in that: A lever is rotatably connected to the drive gear; the coil body is provided with a slot, and the lever engages with the slot after rotation.

5. The miniature electric tensioner for transmission lines according to claim 4, characterized in that: It also includes a second connecting component; the second connecting component includes a base and a locking component; the base is connected to the frame, the top of the base is provided with a slot, the other end of the rotating shaft is installed in the slot, and the base is connected to the locking component to confine the rotating shaft in the slot.

6. The miniature electric tensioner for transmission lines according to claim 5, characterized in that: The coil body also includes two intermediate connectors, two coil bodies, and a connecting part; the intermediate connectors and the coil bodies are arranged in a one-to-one correspondence and are detachably connected; the two coil bodies are connected through the connecting part; of the two intermediate connectors, one is fixedly connected to one end of the outer ring, and the other is detachably connected to the other end of the outer ring.

7. The miniature electric tensioner for transmission lines according to claim 6, characterized in that: The inner side of the intermediate connector is provided with a plurality of connecting pins, which are spaced apart circumferentially; the disc body is provided with a plurality of through holes, and the connecting pins are inserted into the through holes.

8. The miniature electric tensioner for transmission lines according to claim 1, characterized in that: The motor is equipped with a sensor for real-time monitoring of the motor's speed and torque; the sensor is electrically connected to the controller.

9. The miniature electric tensioner for transmission lines according to claim 8, characterized in that: It also includes an alarm, which is electrically connected to the controller.

10. The miniature electric tensioner for transmission lines according to claim 1, characterized in that: The rotating shaft and the outer ring are rotatably connected by bearings.