Overhead line pay-off device for electric power transmission

By designing a highly adaptable overhead line pay-out device, the problem of unstable wire tension during power transmission was solved, the safety and stability of power transmission were improved, energy loss and operating difficulty were reduced, and the life of the equipment was extended.

CN223457929UActive Publication Date: 2025-10-21QINHUANGDAO KUNYU POWER TRANSMISSION & TRANSFORMATION ENGINEERING CO LTD
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Patent Information

Application Number
CN202520026946.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-07
Publication Date
2025-10-21
Estimated Expiration
2035-01-07

AI Technical Summary

Technical Problem

Existing power transmission devices lack the ability to actively adjust tension in complex terrain and environments, resulting in unstable wire tension, which is prone to wear, breakage or loosening, affecting the stability and safety of power transmission.

Method used

An overhead wire pay-out device including a fixing plate and a fine-tuning assembly is designed. By setting up components such as guide wheels, rotating rods, bearings, fixing blocks, connecting blocks and springs, flexible adjustment and stable fixation of the wire tension can be achieved. Combined with the use of multi-stage adjustment slots and positioning rods, the wire can maintain appropriate tension in different environments, and the winding and storage of the wire can be achieved by driving a motor.

Benefits of technology

It improves the safety and stability of power transmission, reduces energy loss, extends the service life of equipment, reduces operating difficulty and cost, and ensures the efficient construction and stable operation of power transmission lines.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an overhead line pay-off device for electric power transmission, which relates to the technical field of electric power transmission, and comprises a fixed plate and an electric wire, the top of the fixed plate is provided with a fine tuning assembly for adjusting the tension of the electric wire, and the fine tuning assembly comprises a fixed frame. According to the utility model, the plurality of adjusting grooves on the fixing frame are matched with the positioning rod, the height and angle of the guide wheel can be coarsely adjusted according to actual conditions, and the positioning rod is inserted into the adjusting grooves at different positions to realize multi-stage adjustment so as to adapt to wires of different specifications and various power transmission scenes; when the positioning rod is operated, the pulling block at one end of the positioning rod is convenient for a constructor to insert and pull, and the handle on the outer wall of the guide wheel is convenient for the constructor to finely adjust the angle of the guide wheel. The cooperation of the two enables the adjustment operation to be more convenient, accurate and efficient.
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Description

TECHNICAL FIELD

[0001] The utility model relates to power transmission technical field, concretely relates to overhead line pay-off device for power transmission. BACKGROUND

[0002] In power transmission engineering, the pay-off operation of overhead line is a crucial link, which is directly related to the stability and reliability of power transmission system

[0003] At present, in most pay-off construction scenes, mainly rely on simple mechanical device to support and guide the pay-off of electric wire, such as fixed pay-off stand and pulley set etc., these devices lack the ability of active regulation of tension, can only provide basic support and guiding effect for electric wire, in the pay-off process, due to the complex and changeable topography of line path, there are different degrees of slope, height difference and obstacles and other factors, make the tension that electric wire bears is in the state of continuous change, when carrying out pay-off operation in mountainous area, with the line laying from high place to low place, electric wire can produce greater downslide force due to its own gravity, lead to the sharp increase of tension, and when crossing the open area such as valley or river, electric wire can produce greater swing due to wind force, cause the instability of tension, therefore, put forward overhead line pay-off device for power transmission to solve the above problems SUMMARY

[0004] The utility model aims at providing overhead line pay-off device for power transmission to solve the problems in the background art.

[0005] To solve the above technical problems, the utility model adopts the technical scheme of:

[0006] Overhead line pay-off device for power transmission, including fixed plate and electric wire, its characterized in that: the top of fixed plate is provided with the fine adjustment assembly for the tension adjustment of electric wire, the fine adjustment assembly includes fixed frame, the bottom of fixed frame and the top of fixed plate are fixedly connected, the inside of fixed frame is opened with sliding slot, the inside of sliding slot is rotatably connected with rotating rod, the outer wall of rotating rod is fixedly connected with guide wheel, the outer wall of rotating rod is fixedly connected with bearing, the inner ring of bearing and the outer wall of rotating rod are fixedly connected, the outer wall of bearing is fixedly connected with fixed block, the outer wall of fixed block is fixedly connected with connecting block.

[0007] Adopting the technical scheme, the mutual cooperation of the electric wire, the sliding slot, the rotating rod, the guide wheel, the fixed block, the connecting block and the bearing is arranged, the rotating rod is rotatably connected in the sliding slot of the fixed frame, the guide wheel can change the angle flexibly to adapt to the electric wire tension in different directions, the electric wire can always maintain the appropriate tension during the wire laying process, the problems of the electric wire wear, breakage or relaxation and the like caused by the uneven tension are avoided effectively, the safety and stability of the power transmission are improved, the friction when the rotating rod rotates is reduced by arranging the bearing, the rotation of the guide wheel is smoother, the energy loss is reduced, the service life of the equipment is prolonged, and the efficient construction and stable operation of the power transmission line are ensured.

[0008] Further improvement of the technical scheme of the utility model lies in that the inner wall of the connecting block is fixedly connected with a spring, one side of the spring is fixedly connected with an extrusion disc, and the top of the extrusion disc is fixedly connected with a locking column.

[0009] Adopting the technical scheme, the mutual cooperation of the spring, the extrusion disc and the locking column is arranged, the user presses the locking column, the locking column and the extrusion disc extrude the spring, then the user inserts the positioning rod, when the outer wall of the locking column and the locking groove are aligned, the user releases the locking column, the elastic deformation of the spring can allow the extrusion disc to drive the outer wall of the locking column and the inside of the locking groove to be inserted, the secondary locking of the tension adjusting assembly is realized, and the stability is improved.

[0010] Further improvement of the technical scheme of the utility model lies in that the inside of the fixed frame is provided with an adjusting groove, and the inside of the adjusting groove is inserted with a positioning rod.

[0011] Adopting the technical scheme, the mutual cooperation of the adjusting groove and the positioning rod is arranged, the height and the angle of the guide wheel can be coarsely adjusted by inserting the positioning rod into the adjusting groove in different positions, different specifications of electric wires and different power transmission scenes are adapted to, the multi-stage adjusting mode makes the wire laying device have stronger universality and adaptability, the needs in various complex power construction environments can be met, the cost of needing to additionally equip a plurality of special tools due to the limitation of the equipment is reduced, the convenience and flexibility of construction are improved, and it is ensured that the power transmission engineering can be carried out smoothly.

[0012] Further improvement of the technical scheme of the utility model lies in that one end of the positioning rod extends to one side of the fixed block by penetrating the inside of the fixed frame and the fixed block in sequence, the inside of the positioning rod is provided with a locking groove, and the outer wall of the locking block and the inside of the locking groove are inserted.

[0013] By adopting the technical scheme, the positioning rod is inserted into the adjusting groove, the locking block is inserted into the locking groove, the accidental disengagement of the positioning rod during the operation of the equipment is effectively prevented, the guide wheel is kept fixed at the set position, the sudden change of the wire tension caused by the displacement of the guide wheel is avoided, the continuous stability of power transmission is ensured, the reliability of the wire laying device under complex working conditions is improved, the possibility of power accidents caused by equipment failure is reduced, and a powerful guarantee is provided for the safe operation of the power system.

[0014] Further improvement of the technical scheme of the utility model lies in that the other end of the positioning rod is fixedly connected with a pull block, and the outer wall of the guide wheel is fixedly connected with a handle.

[0015] By adopting the technical scheme, the handle on the outer wall of the guide wheel is convenient for the construction personnel to apply force when fine-tuning the angle of the guide wheel, the adjustment process is more accurate and efficient, the two design details fully consider the convenience of the construction personnel in actual operation, the operation difficulty and labor intensity are reduced, the construction speed and quality are improved, the construction cost is reduced, the risk of misoperation caused by inconvenient operation is reduced, and the safe and efficient promotion of the power transmission project is ensured.

[0016] Further improvement of the technical scheme of the utility model lies in that the top of the fixed plate is fixedly connected with a support block, the support block is provided with a winding roller, the outer wall of the support block is fixedly connected with a support, the outer wall of the support is fixedly installed with a driving motor, and the output end of the driving motor is fixedly connected with one end of the winding roller.

[0017] By adopting the technical scheme, the handle on the outer wall of the guide wheel is convenient for the construction personnel to apply force when fine-tuning the angle of the guide wheel, the adjustment process is more accurate and efficient, the two design details fully consider the convenience of the construction personnel in actual operation, the operation difficulty and labor intensity are reduced, the construction speed and quality are improved, the construction cost is reduced, the risk of misoperation caused by inconvenient operation is reduced, and the safe and efficient promotion of the power transmission project is ensured.

[0018] Due to the adoption of the above technical scheme, the utility model has the following technical progress compared with the prior art: the handle on the outer wall of the guide wheel is convenient for the construction personnel to fine-tune the angle of the guide wheel, and the two cooperate to make the adjustment operation more convenient, accurate and efficient.

[0019] The utility model provides an overhead line pay-off device for electric power transmission, through the cooperation of multiple adjusting grooves on the fixing frame and positioning rods, the height and angle of the guide wheel can be coarsely adjusted according to actual conditions, the positioning rod is inserted into the adjusting groove at different positions, multi-stage adjustment is realized, different specifications of electric wires and various power transmission scenes are adapted to, the positioning rod penetrates the fixing frame and the fixed block, and is inserted into the locking groove in the inside through the locking block, the position of the guide wheel is further fixed, displacement of the guide wheel in the operation process is prevented, the wire tension is ensured to be stable, when the positioning rod is operated, the pull block at one end is convenient for the construction personnel to plug and unplug, the handle on the outer wall of the guide wheel is convenient for the construction personnel to finely adjust the angle of the guide wheel, and the two cooperate to make the adjustment operation more convenient, accurate and efficient.

[0020] The utility model provides an overhead line pay-off device for electric power transmission, through the cooperation of multiple adjusting grooves on the fixing frame and positioning rods, the height and angle of the guide wheel can be coarsely adjusted according to actual conditions, the positioning rod is inserted into the adjusting groove at different positions, multi-stage adjustment is realized, different specifications of electric wires and various power transmission scenes are adapted to, the positioning rod penetrates the fixing frame and the fixed block, and is inserted into the locking groove in the inside through the locking block, the position of the guide wheel is further fixed, displacement of the guide wheel in the operation process is prevented, the wire tension is ensured to be stable, when the positioning rod is operated, the pull block at one end is convenient for the construction personnel to plug and unplug, the handle on the outer wall of the guide wheel is convenient for the construction personnel to finely adjust the angle of the guide wheel, and the two cooperate to make the adjustment operation more convenient, accurate and efficient. DRAWINGS

[0021] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0022] Figure 2 It is the fixing frame and adjusting groove structure schematic diagram of the utility model;

[0023] Figure 3 It is the fine adjustment subassembly structure schematic diagram of the utility model;

[0024] Figure 4 It is the guide wheel and bearing structure schematic diagram of the utility model.

[0025] In the drawing: 1, fixed plate; 2, electric wire; 3, fixed frame; 4, sliding slot; 5, rotating rod; 6, guide wheel; 7, bearing; 8, fixed block; 9, connecting block; 10, spring; 11, extrusion disc; 12, locking column; 13, adjusting groove; 14, positioning rod; 15, locking groove; 16, pull block; 17, handle; 18, supporting block; 19, winding roller; 20, support; 21, drive motor. DETAILED DESCRIPTION

[0026] The utility model will be further explained in detail in connection with the embodiment:

[0027] Embodiment 1

[0028] As Figures 1-4The utility model provides an overhead line pay-off device for power transmission, including fixed plate 1 and electric wire 2, the top of fixed plate 1 is provided with the fine adjustment subassembly for the tension adjustment of electric wire 2, fine adjustment subassembly includes fixed frame 3, the bottom of fixed frame 3 and the top of fixed plate 1 fixedly connected, the inside of fixed frame 3 is opened with sliding slot 4, the inside rotationally connected with rotating rod 5 of sliding slot 4, the outer wall of rotating rod 5 is fixedly connected with guide wheel 6, the outer wall of rotating rod 5 is fixedly connected with bearing 7, the inner ring of bearing 7 and the outer wall of rotating rod 5 fixedly connected, the outer wall of bearing 7 is fixedly connected with fixed block 8, the outer wall of fixed block 8 is fixedly connected with connecting block 9, the inner wall of connecting block 9 is fixedly connected with spring 10, one side fixedly connected with extruding disc 11 of spring 10, the top fixedly connected with locking column 12 of extruding disc 11.

[0029] In the embodiment, by setting the cooperation of electric wire 2, sliding slot 4, rotating rod 5, guide wheel 6, fixed block 8, connecting block 9 and bearing 7, rotating rod 5 is rotationally connected in the sliding slot 4 of fixed frame 3, so that guide wheel 6 can flexibly change the angle to adapt to the tension of electric wire 2 in different directions, ensure that electric wire 2 always maintains appropriate tension during the pay-off process, effectively avoid the problems such as wear, fracture or relaxation of electric wire 2 due to uneven tension, improve the safety and stability of power transmission, the setting of bearing 7 reduces the friction of rotating rod 5 when rotating, makes the rotation of guide wheel 6 more smooth, reduces energy loss, prolongs the service life of the equipment, guarantees the efficient construction and stable operation of power transmission line, by setting the cooperation of spring 10, extruding disc 11 and locking column 12, the user presses locking column 12, locking column 12 and extruding disc 11 will extrude spring 10, then the user inserts positioning rod 14, when the outer wall of locking groove 15 and locking column 12 is aligned, the user releases locking column 12, the elastic deformation of spring 10 can allow extruding disc 11 to drive the outer wall of locking column 12 and the inside of locking groove 15 to be inserted, realize the secondary locking of tension adjustment assembly, improve the stability.

[0030] Embodiment 2

[0031] As Figures 1-4As shown, on the basis of embodiment 1, the utility model provides a technical scheme: preferably, the inside of fixed frame 3 is opened and has adjusting groove 13, the inside of adjusting groove 13 is inserted with positioning rod 14, one end of positioning rod 14 is in sequence and is inserted with the inside of fixed frame 3 and fixed block 8 and extends to the one side of fixed block 8, the inside of positioning rod 14 is opened and has locking groove 15, the outside wall of locking block and the inside of locking groove 15 are inserted, the other end of positioning rod 14 is fixedly connected with pull block 16, the outside wall of guide wheel 6 is fixedly connected with handle 17, the top of fixed plate 1 is fixedly connected with support block 18, support block 18 is provided with winding roller 19, the outside wall of support block 18 is fixedly connected with support 20, the outside wall of support 20 is fixedly installed with driving motor 21, and the output end of driving motor 21 and one end of winding roller 19 are fixedly connected.

[0032] In the embodiment, by setting the mutual cooperation of adjusting groove 13 and positioning rod 14, by inserting positioning rod 14 into adjusting groove 13 at different positions, the height and angle of guide wheel 6 can be coarsely adjusted to adapt to different specifications of wire 2 and different power transmission scenarios, and the multi-stage adjustment mode makes the wire laying device have stronger versatility and adaptability, can meet the needs in various complex power construction environments, reduces the cost of additional special tools due to equipment limitations, improves the convenience and flexibility of construction, ensures that the power transmission project can be carried out smoothly, by setting the mutual cooperation of positioning rod 14 and locking groove 15, when positioning rod 14 is inserted into adjusting groove 13, locking block is inserted into locking groove 15, effectively prevent positioning rod 14 from accidentally coming out during equipment operation, ensure that guide wheel 6 remains fixed at the set position, avoid the sudden change of wire 2 tension caused by the displacement of guide wheel 6, thereby guarantee the continuous stability of power transmission, the double fixing structure improves the reliability of the wire laying device under complex working conditions, reduces the possibility of power accidents caused by equipment failure, provides a strong guarantee for the safe operation of the power system;

[0033] By setting the cooperation of the pull block 16 and the handle 17, the handle 17 of the outer wall of the guide wheel 6 is convenient for the construction personnel to apply force when fine-tuning the angle of the guide wheel 6, so that the adjustment process is more accurate and efficient. These two design details fully consider the convenience of the construction personnel in actual operation, reduce the operation difficulty and labor intensity, help to improve the construction speed and quality, reduce the construction cost, and also reduce the risk of misoperation caused by inconvenient operation, ensure the safe and efficient progress of the power transmission project. By setting the cooperation of the support block 18, the winding roller 19, the support 20 and the driving motor 21, after the power transmission line 2 is laid, the driving motor 21 can drive the winding roller 19 to rotate quickly, and the remaining electric wire 2 is neatly wound on the winding roller 19, which is convenient for storage and transportation, avoids damage and safety hazards caused by messy stacking of the electric wire 2, and the support block 18 provides stable support for the winding roller 19, ensuring that the winding process is smooth and smooth, reducing the friction and wear of the electric wire 2 in the winding process, improving the service life and performance of the electric wire 2 when used again, and also improving the functionality and practicality of the whole pay-off device, meeting the whole process requirements from pay-off to take-up of the power construction,

[0034] The working principle of the overhead line pay-off device for power transmission will be described below.

[0035] As shown in Figures 1-4 When the guide wheel 6 needs to be adjusted, the user pulls the handle 17, which drives the guide wheel 6 to rise and fall in the inside of the sliding groove 4 through the rotating rod 5. When the guide wheel 6 is raised to the desired position, at the same time, any adjustment slot 13 on the fixed frame 3 cooperates with the positioning rod 14, the positioning rod 14 is inserted into the adjustment slot 13 at different positions to realize multi-stage adjustment. The positioning rod 14 penetrates the fixed frame 3 and the fixed block 8, and then the user presses the locking column 12. The locking column 12 and the extrusion disc 11 extrude the spring 10. When the outer wall of the locking column 12 and the locking slot 15 are aligned, the user releases the locking column 12. The elastic deformation of the spring 10 allows the extrusion disc 11 to drive the outer wall of the locking column 12 and the inside of the locking slot 15 to be inserted, realizing the secondary locking of the tension adjustment assembly and improving the stability.

[0036] After the pay-off is completed, the winding roller 19 on the support block 18 at the top of the fixed plate 1 starts to work under the drive of the driving motor 21 on the support 20. The driving motor 21 outputs power to drive the winding roller 19 to rotate, neatly winding the remaining electric wire 2 on the winding roller 19, which is convenient for subsequent storage and transportation. The support block 18 provides stable support for the winding roller 19, ensuring that the winding process is smooth and smooth, reducing the wear of the electric wire 2 and prolonging the service life of the electric wire 2. The components of the whole device cooperate with each other to complete the pay-off and take-up operation of the overhead line for power transmission, ensuring the efficient and safe progress of the power transmission project.

[0037] The utility model has made the detailed description to the utility model generally above, but can make some modification or improvement to it on the basis of the utility model, this is obvious to the general skilled person in the technical field. Therefore, the modification or improvement without departing from the utility model thought spirit, all are within the protection scope of the utility model.

Claims

1. An overhead line pay-off device for power transmission, comprising a fixed plate (1) and an electric wire (2), characterized in that: The top of the fixed plate (1) is provided with a fine adjustment assembly for tension adjustment of the electric wire (2), the fine adjustment assembly comprises a fixed frame (3), the bottom of the fixed frame (3) is fixedly connected with the top of the fixed plate (1), a sliding groove (4) is arranged in the fixed frame (3), a rotating rod (5) is rotatably connected in the sliding groove (4), a guide wheel (6) is fixedly connected with the outer wall of the rotating rod (5), a bearing (7) is fixedly connected with the outer wall of the rotating rod (5), the inner ring of the bearing (7) is fixedly connected with the outer wall of the rotating rod (5), a fixed block (8) is fixedly connected with the outer wall of the bearing (7), and a connecting block (9) is fixedly connected with the outer wall of the fixed block (8).

2. The power transmission overhead line pay-off device according to claim 1, characterized in that: The inner wall of the connecting block (9) is fixedly connected with a spring (10), one side of the spring (10) is fixedly connected with a pressing disc (11), and the top of the pressing disc (11) is fixedly connected with a locking column (12).

3. The power transmission overhead line pay-off device according to claim 1, characterized in that: An adjusting groove (13) is arranged in the fixed frame (3), and a positioning rod (14) is inserted into the adjusting groove (13).

4. The power transmission overhead line pay-off device according to claim 3, characterized in that: One end of the positioning rod (14) penetrates the interiors of the fixed frame (3) and the fixed block (8) in sequence and extends to one side of the fixed block (8), a locking groove (15) is arranged in the positioning rod (14), and the outer wall of the positioning rod (14) is inserted into the locking groove (15).

5. The power transmission overhead line pay-off device according to claim 3, characterized in that: The other end of the positioning rod (14) is fixedly connected with a pulling block (16), and the outer wall of the guide wheel (6) is fixedly connected with a handle (17).

6. The power transmission overhead line pay-off device according to claim 1, characterized in that: The top of the fixed plate (1) is fixedly connected with a supporting block (18), the supporting block (18) is provided with a winding roller (19), the outer wall of the supporting block (18) is fixedly connected with a support (20), the outer wall of the support (20) is fixedly installed with a driving motor (21), and one end of the winding roller (19) is fixedly connected with the output end of the driving motor (21).