Operation and maintenance device for power transmission line
By designing a power transmission line maintenance and repair device that includes components such as a trolley, wheels, support columns, L-shaped frame, sliding plate, and rotating column, and utilizing servo motors and stepper motors to drive the device, the problems of inconvenience in moving and multi-angle adjustment of existing devices have been solved, enabling convenient position adjustment and lifting of items, greatly improving convenience.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ZHEJIANG SHENGXIANG ELECTRIC POWER ENGINEERING CO LTD
- Filing Date
- 2025-04-15
- Publication Date
- 2026-04-28
AI Technical Summary
The existing power transmission line maintenance and repair equipment is not convenient for easy adjustment of position, movement, and multi-angle rotation, which affects the convenience of maintenance equipment and the ease of lifting equipment.
A maintenance device was designed, comprising components such as a trolley, wheels, support columns, an L-shaped frame, a sliding plate, a rotating column, a servo motor, a threaded rod, and a stepper motor. The device achieves position adjustment and multi-angle lifting by using the servo motor to drive the threaded rod and the stepper motor to drive the worm gear mechanism.
It enables convenient movement and multi-angle rotation adjustment of the maintenance device, improving the ease of position adjustment and lifting of items.
Smart Images

Figure CN224177812U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of maintenance equipment technology, specifically a power transmission line operation and maintenance device. Background Technology
[0002] A power transmission line is a power transmission system that connects power plants, substations and users. It is mainly used to efficiently and safely transmit electrical energy from the generation end to the consumption end. It is achieved by stepping up the voltage of the electrical energy generated by the generator through a transformer, and then connecting it to the transmission line through control equipment such as circuit breakers. Overhead transmission lines are composed of line towers, conductors, insulators, line hardware, guy wires, tower foundations, grounding devices, etc., and are erected on the ground.
[0003] For example, the transmission line operation and maintenance device disclosed in the authorization announcement number CN222169127U includes a basket, a mechanical arm fixedly connected to the outer end of the basket, a pair of slide rails opened on the inner wall of the basket, a door body rotatably connected to the outer end of the slide rails, a limiting component inside the slide rails, the limiting component including a roller slidably connected to the slide rails, a connecting plate fixedly connected to the top of the rollers, and a movable plate fixedly connected to the end of the connecting plate away from the rollers;
[0004] While it effectively limits the range of movement of workers, thus ensuring that when the crane begins to apply force to change the state of the basket, it can prevent the risk of falling due to inertia, thereby providing workers with a safer and more stable working environment;
[0005] However, this does not solve the problem that existing maintenance devices of this type are generally not convenient to adjust their position for easy movement during use, nor are they convenient to lift items by rotating them at multiple angles. This affects the convenience of adjusting the position of the maintenance device for movement and the convenience of lifting items by rotating them at multiple angles. Utility Model Content
[0006] The purpose of this utility model is to provide a transmission line operation and maintenance device to solve the problems mentioned in the background art, such as the inconvenience of adjusting the position of the maintenance device for movement and the inconvenience of multi-angle rotation adjustment for lifting items, which affect the convenience of adjusting the position of the maintenance device for movement and the convenience of multi-angle rotation adjustment for lifting items.
[0007] To achieve the above objectives, this utility model provides the following technical solution: a power transmission line operation and maintenance device, comprising a trolley and wheels. Four sets of wheels are installed at the bottom of the trolley, a support column is installed at the top of the trolley, and a pull rod is movably installed on the side wall of the trolley. An L-shaped frame is provided on the outside of the support column. Grooves are provided on the inner walls of both the support column and the L-shaped frame. A sliding plate is provided on the outside of the L-shaped frame. A rotating column is movably installed at the top of the sliding plate. A guardrail is installed at the top of the sliding plate outside the rotating column. A servo motor is installed at the top of the support column. A threaded rod is installed at the output end of the servo motor. The threaded rod extends through the support column to the top of the trolley and is movably connected thereto. A threaded block is fitted onto the surface of the threaded rod, and the threaded rod is threadedly connected to the threaded block. The side wall of the threaded block is connected to the L-shaped frame. Multiple sets of first wheels are movably installed on the side wall of the L-shaped frame, and the first wheels are slidably connected to the grooves.
[0008] Preferably, an electric push rod is installed at the bottom end of the L-shaped frame, and the output end of the electric push rod is connected to the sliding plate.
[0009] Preferably, multiple sets of second wheels are installed on both sides of the sliding plate, and the sliding plate is movably connected to the L-shaped frame through the second wheels.
[0010] Preferably, a stepper motor is installed on the side of the sliding plate near the rotating column, a worm gear is installed at the output end of the stepper motor, a worm wheel is installed on the side of the rotating column near the sliding plate, the worm gear meshes with the worm wheel, a fixing block is installed on the side wall of the guardrail, the fixing block is movably connected to the rotating column, and an I-shaped track frame is movably installed at the top of the rotating column.
[0011] Preferably, positioning frames are provided on both sides of the I-shaped track frame, and pulleys are movably installed on the side walls of the positioning frames.
[0012] Preferably, a U-shaped block is installed on one side of the rotating column, a large gear is provided inside the U-shaped block, a winding cylinder is provided on the side wall of the large gear, and a suspension rope is provided on the surface of the winding cylinder, with the suspension rope extending to the outside of the pulley.
[0013] Preferably, a first shaft is movably mounted at the center of the large gear, and the first shaft passes through the large gear and is movably connected to the U-shaped block.
[0014] Preferably, a third axis is movably mounted on the side of the U-shaped block away from the first axis, and the third axis extends from the inside of the U-shaped block to the outside of the U-shaped block.
[0015] Preferably, a small gear is fitted onto the surface of the third shaft, and a rotating arm is mounted on the side of the third shaft away from the small gear.
[0016] Preferably, a second shaft is installed on the side of the U-shaped block away from the third shaft, and a buckle is fitted on the surface of the second shaft.
[0017] Compared with the prior art, the beneficial effects of this utility model are: the maintenance device not only realizes the convenient adjustment and movement of the maintenance device, but also facilitates the lifting of items by multi-angle rotation adjustment, thereby improving the convenience of adjusting and moving the maintenance device and the convenience of lifting items by multi-angle rotation adjustment. Attached Figure Description
[0018] Figure 1 This is a three-dimensional structural diagram of the present invention;
[0019] Figure 2 This is a front view structural diagram of the present utility model;
[0020] Figure 3 This is a three-dimensional structural diagram of the support column of this utility model;
[0021] Figure 4 This is a three-dimensional structural diagram of the L-shaped frame of this utility model;
[0022] Figure 5 This is a three-dimensional structural diagram of the guardrail of this utility model;
[0023] Figure 6 This is a three-dimensional structural diagram of the U-shaped block of this utility model;
[0024] Figure 7 This is a three-dimensional structural diagram of the rotating arm of this utility model.
[0025] In the diagram: 1. Trolley; 2. Wheel; 3. Support column; 4. Large gear; 5. L-shaped frame; 6. Pull rod; 7. Sliding plate; 8. Guardrail; 9. Rotating column; 10. Groove; 11. I-shaped track frame; 12. Servo motor; 13. Threaded rod; 14. Threaded block; 15. Electric push rod; 16. First wheel; 17. Second wheel; 18. Buckle; 19. Stepper motor; 20. Worm gear; 21. Worm wheel; 22. Fixing block; 23. Positioning frame; 24. Pulley; 25. Lifting rope; 26. U-shaped block; 27. Rotating arm; 28. First shaft; 29. Second shaft; 30. Third shaft; 31. Small gear; 32. Winding drum. Detailed Implementation
[0026] To further illustrate the technical means and effects adopted by this utility model in order to achieve the intended utility model purpose, the following detailed description of the specific implementation methods, structure, features and effects of this utility model is provided in conjunction with the accompanying drawings and preferred embodiments.
[0027] Please see Figure 1-7This utility model provides an embodiment of a power transmission line operation and maintenance device, comprising a trolley 1 and wheels 2. Four sets of wheels 2 are installed at the bottom of the trolley 1, and a support column 3 is installed at the top of the trolley 1. A pull rod 6 is movably installed on the side wall of the trolley 1. An L-shaped frame 5 is provided on the outside of the support column 3. Grooves 10 are provided on the inner walls of both the support column 3 and the L-shaped frame 5. A sliding plate 7 is provided on the outside of the L-shaped frame 5. A rotating column 9 is movably installed at the top of the sliding plate 7. A guardrail 8 is installed at the top of the sliding plate 7 outside the rotating column 9. A servo motor 12 is installed at the top of the support column 3. A threaded rod 13 is installed at the output end. The threaded rod 13 passes through the support column 3 and extends to the top of the trolley 1, where it is movably connected. A threaded block 14 is fitted on the surface of the threaded rod 13. The threaded rod 13 and the threaded block 14 are threadedly connected. The side wall of the threaded block 14 is connected to the L-shaped frame 5. Multiple sets of first wheels 16 are movably installed on the side wall of the L-shaped frame 5. The first wheels 16 are slidably connected to the groove 10. An electric push rod 15 is installed at the bottom of the L-shaped frame 5. The output end of the electric push rod 15 is connected to the sliding plate 7. Multiple sets of second wheels 17 are installed on both sides of the sliding plate 7. The sliding plate 7 is movably connected to the L-shaped frame 5 through the second wheels 17.
[0028] When using the power transmission line maintenance and repair device, push the lever 6. With the support of the wheel 2, the lever 6 moves the maintenance device to the work area. Turn on the servo motor 12. With the support of the support column 3, the servo motor 12 drives the threaded rod 13 to rotate. With the threaded connection between the threaded rod 13 and the threaded block 14, the threaded rod 13 drives the threaded block 14 to move. The threaded block 14 drives the L-shaped frame 5 to move. With the cooperation of the first wheel 16 and the groove 10, the L-shaped frame 5 moves the sliding plate 7, guardrail 8, rotating column 9, and personnel to the designated height. Turn on the electric push rod 15. With the support of the L-shaped frame 5, the electric push rod 15 drives the sliding plate 7 to move. With the cooperation of the second wheel 17 and the groove 10, the sliding plate 7 slides inside the L-shaped frame 5, moving the personnel to the designated area. This facilitates convenient adjustment and movement of the device, improving the convenience of adjusting and moving the maintenance device.
[0029] A stepper motor 19 is installed on the side of the sliding plate 7 near the rotating column 9. A worm gear 20 is installed at the output end of the stepper motor 19. A worm wheel 21 is installed on the side of the rotating column 9 near the sliding plate 7. The worm gear 20 meshes with the worm wheel 21. A fixing block 22 is installed on the side wall of the guardrail 8. The fixing block 22 is movably connected to the rotating column 9. An I-shaped track frame 11 is movably installed on the top of the rotating column 9.
[0030] Positioning frames 23 are provided on both sides of the I-shaped track frame 11. Pulleys 24 are movably installed on the side walls of the positioning frames 23. A U-shaped block 26 is installed on one side of the rotating column 9. A large gear 4 is provided inside the U-shaped block 26. A winding drum 32 is provided on the side wall of the large gear 4. A hanging rope 25 is provided on the surface of the winding drum 32, and the hanging rope 25 extends to the outside of the pulley 24.
[0031] A first shaft 28 is movably installed at the center of the large gear 4. The first shaft 28 passes through the large gear 4 and is movably connected to the U-shaped block 26. A third shaft 30 is movably installed on the side of the U-shaped block 26 away from the first shaft 28. The third shaft 30 extends from the inside of the U-shaped block 26 to the outside of the U-shaped block 26.
[0032] A small gear 31 is fitted on the surface of the third shaft 30. A rotating arm 27 is installed on the side of the third shaft 30 away from the small gear 31. A second shaft 29 is installed on the side of the U-shaped block 26 away from the third shaft 30. A buckle 18 is fitted on the surface of the second shaft 29.
[0033] When it is necessary to lift objects on the ground, the stepper motor 19 is turned on. Supported by the sliding plate 7, the stepper motor 19 drives the worm gear 20 to rotate. Under the meshing of the worm gear 20 and the worm wheel 21, the worm gear 20 drives the worm wheel 21 to rotate. The worm wheel 21 drives the rotating column 9, the I-shaped track frame 11, and the lifting rope 25 to rotate. The rotating arm 27 is rotated. Supported by the U-shaped block 26, the rotating arm 27 drives the third shaft 30 to rotate. The third shaft 30 drives the pinion 31 to rotate. Under the meshing of the pinion 31 and the large gear 4, the pinion 31 drives the large gear 4 to rotate. Supported by shaft 28, the large gear 4 drives the winding drum 32 to rotate, and the winding drum 32 winds the suspension rope 25. The pulley 24 provides sliding support for the suspension rope 25, and the suspension rope 25 retracts, thus lifting the object. When it is necessary to stop the movement of the suspension rope 25, the buckle 18 is activated, which locks the large gear 4 and the small gear 31 to prevent it from continuing to rotate. This facilitates convenient lifting of the object by adjusting the rotation angle at multiple angles, and improves the convenience of lifting the object by adjusting the rotation angle at multiple angles of the maintenance device.
[0034] Working principle: When using the power transmission line maintenance and repair device, pushing the pull rod 6, supported by the wheels 2, moves the maintenance device to the work area. The servo motor 12 drives the threaded rod 13 to rotate, which in turn moves the threaded block 14. The threaded block 14 then moves the L-shaped frame 5. With the cooperation of the first wheel 16 and the groove 10, the L-shaped frame 5 moves the sliding plate 7, guardrail 8, rotating column 9, and personnel to the designated height. The electric push rod 15 drives the sliding plate 7 to move. With the cooperation of the second wheel 17 and the groove 10, the sliding plate 7 slides inside the L-shaped frame 5, moving the personnel to the designated area. When it is necessary to lift items on the ground, the stepper motor 19... The worm gear 20 is driven to rotate, which in turn drives the worm wheel 21 to rotate. The worm wheel 21 drives the rotating column 9, the I-shaped track frame 11, and the lifting rope 25 to rotate. The rotating arm 27 rotates, which in turn drives the third shaft 30 to rotate. The third shaft 30 drives the small gear 31 to rotate, which in turn drives the large gear 4 to rotate. The large gear 4 drives the winding drum 32 to rotate, which winds the lifting rope 25. The pulley 24 provides sliding support for the lifting rope 25, causing the lifting rope 25 to retract and lift the object. When it is necessary to stop the movement of the lifting rope 25, the buckle 18 is activated, which locks the large gear 4 and the small gear 31 to prevent it from continuing to rotate, thus completing the operation of the maintenance device.
[0035] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Although the present utility model has been disclosed above with reference to a preferred embodiment, it is not intended to limit the present utility model. Any person skilled in the art can make some modifications or alterations to the above-disclosed technical content to create equivalent embodiments without departing from the scope of the present utility model. Any indirect modifications, equivalent changes, and alterations made to the above embodiments based on the technical essence of the present utility model without departing from the scope of the present utility model shall still fall within the scope of the present utility model.
Claims
1. A transmission line operation and maintenance device, characterized in that: The device includes a trolley and wheels. The trolley has four sets of wheels at its bottom and a support column at its top. A pull rod is movably mounted on the side wall of the trolley. An L-shaped frame is provided on the outside of the support column. Grooves are provided on the inner walls of both the support column and the L-shaped frame. A sliding plate is provided on the outside of the L-shaped frame. A rotating column is movably mounted on the top of the sliding plate. A guardrail is installed on the top of the sliding plate outside the rotating column. A servo motor is mounted on the top of the support column. A threaded rod is installed at the output end of the servo motor. The threaded rod extends through the support column to the top of the trolley and is movably connected thereto. A threaded block is fitted onto the surface of the threaded rod, and the threaded rod and threaded block are threadedly connected. The side wall of the threaded block is connected to the L-shaped frame. Multiple sets of first wheels are movably mounted on the side wall of the L-shaped frame, and the first wheels are slidably connected to the grooves.
2. The transmission line operation and maintenance device according to claim 1, characterized in that: An electric push rod is installed at the bottom of the L-shaped frame, and the output end of the electric push rod is connected to the sliding plate.
3. The transmission line operation and maintenance device according to claim 1, characterized in that: Multiple sets of second wheels are installed on both sides of the sliding plate, and the sliding plate is movably connected to the L-shaped frame through the second wheels.
4. The transmission line operation and maintenance device according to claim 1, characterized in that: A stepper motor is installed on the side of the sliding plate near the rotating column. A worm gear is installed at the output end of the stepper motor. A worm wheel is installed on the side of the rotating column near the sliding plate. The worm gear and the worm wheel mesh with each other. A fixing block is installed on the side wall of the guardrail. The fixing block is movably connected to the rotating column. An I-shaped track frame is movably installed on the top of the rotating column.
5. The transmission line operation and maintenance device according to claim 4, characterized in that: The I-shaped track frame is provided with positioning frames on both sides, and pulleys are movably installed on the side walls of the positioning frames.
6. The transmission line operation and maintenance device according to claim 1, characterized in that: A U-shaped block is installed on one side of the rotating column. A large gear is installed inside the U-shaped block. A winding cylinder is installed on the side wall of the large gear. A suspension rope is installed on the surface of the winding cylinder and extends to the outside of the pulley.
7. The transmission line operation and maintenance device according to claim 6, characterized in that: A first shaft is movably mounted at the center of the large gear, and the first shaft passes through the large gear and is movably connected to the U-shaped block.
8. The transmission line operation and maintenance device according to claim 7, characterized in that: A third axis is movably mounted on the side of the U-shaped block away from the first axis, and the third axis extends from the inside of the U-shaped block to the outside of the U-shaped block.
9. A transmission line operation and maintenance device according to claim 8, characterized in that: A small gear is fitted onto the surface of the third shaft, and a rotating arm is mounted on the side of the third shaft away from the small gear.
10. A transmission line operation and maintenance device according to claim 9, characterized in that: A second shaft is installed on the side of the U-shaped block away from the third shaft, and a buckle is fitted on the surface of the second shaft.
Citation Information
Patent Citations
Operation and maintenance device for power transmission line
CN222169127U