Self-propelled overhead power line clearing device
By adjusting the wheel spacing and designing a detachable obstacle clearing frame, the problem of existing equipment being unable to adapt to different wire diameters has been solved, enabling stable self-propelled movement and efficient obstacle clearing on different wires.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- LUOYANG YARI ELECTRIC POWER TECH GRP CO LTD
- Filing Date
- 2025-05-29
- Publication Date
- 2026-06-02
AI Technical Summary
Existing obstacle removal equipment cannot adapt to wires of different diameters, resulting in excessive gaps between the rollers and the wires or incomplete contact, which affects the effectiveness of obstacle removal operations.
An adjustable walking wheel structure and a detachable obstacle clearing frame were designed. The distance between the walking wheels can be adjusted by adjusting the screw and slider, and the reverse friction force is used to form a clamping drive. The detachable obstacle clearing frame and toothed ring plate structure enable efficient removal of different obstacles.
It achieves stable self-propelled operation and efficient obstacle clearing on wires of different thicknesses, improving the adaptability of the equipment and the continuity and reliability of obstacle clearing operations.
Smart Images

Figure CN224318980U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of power line clearing equipment, and in particular to a self-propelled clearing equipment for overhead transmission lines. Background Technology
[0002] In the field of power transmission, overhead transmission lines serve as a crucial carrier for power transmission, and their normal operation directly affects the stability and reliability of power supply. To ensure the safe and efficient operation of transmission lines, self-propelled obstacle removal equipment has emerged. Currently, most common obstacle removal equipment uses two rollers clamped onto the surface of the power line to achieve self-propelled obstacle removal operations on the power line.
[0003] In common roller-type walking mechanisms, the distance and outline dimensions of the two rollers are usually designed and manufactured according to the diameter of the wires of a specific specification. When facing wires with diameters smaller than or larger than the design standard, a large gap exists between the rollers and the wires. When the wires are larger than the design standard, the rollers cannot fully fit the surface of the wires and cannot form an effective wrap and support, making it impossible to carry out obstacle removal operations. Utility Model Content
[0004] To address the shortcomings of overhead power line clearing operations, such as the large gap between the roller and the wire when the diameter is smaller than or larger than the design standard, and the inability of the roller to fully fit the wire surface and form an effective wrap and support when the wire is larger than the design standard, this utility model provides a self-propelled overhead power line clearing device. It has the advantage of being adjustable according to different wire thicknesses and can adapt to different sizes of wires for self-propelled clearing operations, thus solving the problems mentioned in the background art.
[0005] This utility model provides the following technical solution: a self-propelled obstacle clearing device for overhead power transmission lines, comprising a body, a power transmission line body at the bottom of the body, support frames fixedly installed at the four corners of the bottom of the body, a slide rail at the bottom of each support frame, a slider slidably installed inside the slide rail, a traveling wheel rotatably installed at the upper end of each slider, the inner sides of multiple traveling wheels being in contact with the surface of the power transmission line body, an adjusting screw rotatably installed on one side of each slider, and a handwheel fixedly installed on the other side of the adjusting screw extending through to the outside of the support frame, the connection between the adjusting screw and the bottom of the support frame being threaded, four hidden slots inside the body, a rotary motor installed at the bottom of each hidden slot, and a telescopic universal joint hinged to the upper end of each of the multiple traveling wheels, the output end of the rotary motor being hinged to the upper end of the telescopic universal joint via a coupling.
[0006] Preferably, the number of the traveling wheels is four, and they are arranged in pairs, with the two traveling wheels rotating in opposite directions on both sides of the power transmission line body.
[0007] By setting two sets of oppositely rotating wheels, the reverse friction force creates a clamping drive effect, ensuring that the equipment can move stably on the surface of the power transmission line.
[0008] Preferably, a clearing frame is installed at the front end of the machine body, and multiple fixing bolts are installed at the upper end of the clearing frame. The clearing frame is detachably installed at the front end of the machine body by means of the fixing bolts.
[0009] The obstacle clearing frame can be detachably installed at the front of the machine body by fixing bolts, which makes it easy to quickly replace the appropriate obstacle clearing frame according to different obstacle clearing needs and improve the versatility of the equipment.
[0010] Preferably, the bottom of the obstacle clearing frame is fixedly installed with two fixing rings, and a toothed ring plate is rotatably installed on the inner side of the two fixing rings. Multiple obstacle clearing rods are fixedly installed on the inner wall of the toothed ring plate.
[0011] When the toothed ring plate rotates, it drives the clearing rod to form a circumferential clearing range, thereby achieving efficient scraping and cleaning of obstacles on the surface of the power transmission line.
[0012] Preferably, grooves are provided on the corresponding surfaces of the two fixing rings, and annular protrusions are provided at both ends of the toothed ring plate to fit the grooves. The toothed ring plate is installed in the two fixing rings through the annular protrusions.
[0013] The matching design of the groove on the surface of the fixed ring and the annular protrusion of the toothed ring plate ensures the stability of the toothed ring plate during rotation, avoids shaking and deviation, and ensures the reliability of obstacle removal operations.
[0014] Preferably, a drive motor is installed on one side of the bottom of the obstacle clearing frame, and a drive gear is meshed on one side of the bottom of the toothed ring plate. The output end of the drive motor is connected to one side of the drive gear through a coupling.
[0015] By setting up a drive motor, its output end drives the drive gear to rotate via a coupling, which in turn drives the gear ring plate to rotate, enabling the clearing rod to continuously clean obstacles on the surface of the power transmission line.
[0016] This utility model has the following advantages:
[0017] 1. By setting up a slide rail, slider, and adjusting screw structure at the bottom of the support frame, when it is necessary to adapt to the transmission line body of different thicknesses, the adjusting screw rotates to drive the slider to slide horizontally within the slide rail, changing the lateral distance between the two sets of traveling wheels, so that the four traveling wheels form a ring-like clamp from the top, bottom, or sides of the transmission line body. The drive motor outputs power to the two sets of traveling wheels through the telescopic universal joint, realizing opposite rotation on both sides of the transmission line, forming a clamping drive effect. By adjusting the position of the slider by adjusting the screw, the traveling wheels can generate appropriate clamping force for transmission lines of different diameters, avoiding slippage or lack of support, and realizing stable self-movement of the equipment on transmission lines of different thicknesses.
[0018] 2. By setting up a detachable obstacle clearing frame and internal toothed ring plate, obstacle clearing rod and drive motor structure, when it is necessary to clear obstacles on the power transmission line body, the drive motor drives the drive gear to rotate. The drive gear meshes with the toothed ring plate, causing the toothed ring plate to rotate in the fixed ring. The obstacle clearing rod on the inner wall of the toothed ring plate rotates with the toothed ring plate to form a circumferential obstacle clearing area. The obstacle clearing rod can contact the surface of the power transmission line and scrape away the obstacles. Since the obstacle clearing frame can be detachably installed at the front of the machine body by fixing bolts, different types of obstacle clearing frames or obstacle clearing rods can be replaced according to different obstacle clearing needs, improving the equipment's adaptability to diverse obstacles. Attached Figure Description
[0019] Figure 1 This is a schematic diagram of the main view structure of this utility model;
[0020] Figure 2 This is a schematic diagram of the overall front-end inner structure of this utility model;
[0021] Figure 3 This is a schematic diagram of the obstacle clearing frame structure of this utility model;
[0022] Figure 4 This is a schematic diagram of the disassembled structure of the inner side of the fixing plate of this utility model.
[0023] In the diagram: 1. Main body; 2. Power transmission line body; 3. Support frame; 4. Traveling wheel; 5. Slide rail; 6. Slider; 7. Adjusting screw; 8. Hidden groove; 9. Rotary motor; 10. Telescopic universal joint; 11. Handwheel; 12. Clearing frame; 13. Fixing bolt; 14. Fixing ring; 15. Toothed ring plate; 16. Groove; 17. Clearing rod; 18. Drive gear; 19. Drive motor. Detailed Implementation
[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0025] Please see Figures 1-3 A self-propelled obstacle clearing device for overhead transmission lines includes a body 1, a transmission line body 2 at the bottom of the body 1, support frames 3 fixedly installed at the four corners of the bottom of the body 1, a slide rail 5 at the bottom of each support frame 3, a slider 6 slidably installed inside the slide rail 5, and a traveling wheel 4 rotatably installed at the upper end of each slider 6.
[0026] The inner sides of multiple traveling wheels 4 are in contact with the surface of the power transmission line body 2. An adjusting screw 7 is rotatably installed on one side of the slider 6. The other side of the adjusting screw 7 extends through to the outside of the support frame 3 and is fixedly installed with a handwheel 11. The connection between the adjusting screw 7 and the bottom of the support frame 3 is a threaded connection. By setting the slide rail 5, slider 6 and adjusting screw 7 structure at the bottom of the support frame 3, when it is necessary to adapt to power transmission line bodies 2 of different thicknesses, the adjusting screw 7 is rotated to drive the slider 6 to slide horizontally in the slide rail 5, changing the lateral distance between the two sets of traveling wheels 4, so that the four traveling wheels 4 form a ring-shaped clamp from the top and bottom or sides of the power transmission line body 2.
[0027] The machine body 1 has four hidden slots 8 inside, and a rotary motor 9 is installed at the bottom of each hidden slot 8. Multiple traveling wheels 4 are hinged to the upper ends of each with a telescopic universal joint 10. After the rotary motor 9 starts, its output power is transmitted to the telescopic universal joint 10 through a coupling. The telescopic universal joint 10 then transmits the power to the traveling wheels 4, driving them to rotate. During rotation, the telescopic universal joint 10 allows for angular deviation between the traveling wheels 4 and the output of the rotary motor 9 and provides a certain distance compensation, ensuring that the power output of the rotary motor 9 can be flexibly transmitted to the traveling wheels 4, ensuring... The traveling wheels 4 can rotate stably and drive the equipment to move on the power transmission line body 2. This is a mature existing technology, so it will not be described in detail. The output end of the rotary motor 9 is hinged to the upper end of the telescopic universal joint 10 through a coupling. The drive motor 19 outputs power to the two sets of traveling wheels 4 through the telescopic universal joint 10, so that they rotate in opposite directions on both sides of the power transmission line, forming a clamping drive effect. By adjusting the position of the slider 6 by adjusting the screw 7, the traveling wheels 4 can generate a suitable clamping force on power transmission lines of different diameters, avoiding slippage or failure to support, and realizing the stable self-movement of the equipment on power lines of different thicknesses.
[0028] Please see Figures 2-4The machine has four walking wheels 4, which are arranged in pairs. The two walking wheels 4 rotate in opposite directions on both sides of the power transmission line body 2. They are driven by a rotary motor 9 to achieve opposite rotation. The friction between the two sets of walking wheels 4 and the surface of the power transmission line forms a clamping drive, which drives the machine body 1 to move along the power transmission line. This enhances the stability of the equipment on the power transmission line, avoids deviation or slippage that may be caused by unilateral drive, ensures a smooth and reliable self-movement process, and improves the continuity and efficiency of obstacle removal operations. An obstacle removal frame 12 is installed at the front end of the machine body 1. Multiple fixing bolts 13 are installed at the upper end of the obstacle removal frame 12. The obstacle removal frame 12 can be detachably installed at the front end of the machine body 1 through the fixing bolts 13. Since the obstacle removal frame 12 can be detachably installed at the front end of the machine body 1 through the fixing bolts 13, different types of obstacle removal frames 12 or obstacle removal poles 17 can be replaced according to different obstacle removal needs, improving the adaptability of the equipment to diverse obstacles.
[0029] Two fixed rings 14 are fixedly installed at the bottom of the obstacle clearing frame 12. A toothed ring plate 15 is rotatably installed on the inner side of the two fixed rings 14. Multiple obstacle clearing rods 17 are fixedly installed on the inner wall of the toothed ring plate 15. Grooves 16 are opened on the corresponding surfaces of the two fixed rings 14. Both ends of the toothed ring plate 15 are provided with annular protrusions that are adapted to the grooves 16. The toothed ring plate 15 is installed in the two fixed rings 14 through the annular protrusions. The annular protrusions at both ends of the toothed ring plate 15 are embedded in the grooves 16 on the surface of the fixed rings 14 to form an annular track mating structure. When the drive motor 19 drives the drive gear 18 to rotate, the toothed ring plate 15 rolls in the grooves 16 through the annular protrusions to achieve stable circumferential rotation. This ensures that the obstacle clearing rods 17 maintain a constant distance and contact angle with the power transmission line surface, improves the stability and reliability of obstacle clearing operations, and reduces mechanical wear and extends the service life of components.
[0030] A drive motor 19 is installed on one side of the bottom of the obstacle clearing frame 12, and a drive gear 18 is meshed on one side of the bottom of the toothed ring plate 15. The output end of the drive motor 19 is connected to one side of the drive gear 18 through a coupling. By setting up a detachable obstacle clearing frame 12 and the internal toothed ring plate 15, obstacle clearing rod 17 and drive motor 19 structure, when it is necessary to clear obstacles on the power transmission line body 2, the drive motor 19 drives the drive gear 18 to rotate. The drive gear 18 meshes with the toothed ring plate 15, causing the toothed ring plate 15 to rotate within the fixed ring 14. The obstacle clearing rod 17 on the inner wall of the toothed ring plate 15 rotates with the toothed ring plate 15 to form a circumferential obstacle clearing area. The obstacle clearing rod 17 can contact the surface of the power transmission line and scrape away the obstacles.
[0031] Working principle: In actual use, firstly, according to the thickness of the power transmission line body 2, turn the handwheel 11 to drive the adjusting screw 7 to rotate. Since the adjusting screw 7 is threadedly connected to the bottom of the support frame 3, the rotation of the screw will cause the slider 6 to slide horizontally in the slide rail 5, thereby adjusting the lateral spacing of the four traveling wheels 4, so that the inner side of the traveling wheels 4 fits against the surface of the power transmission line body 2 and forms a suitable clamping force.
[0032] Next, the rotary motor 9 is started. Its output end drives the walking wheels 4 to rotate through the coupling and the telescopic universal joint 10. The two sets of walking wheels 4 rotate in opposite directions on both sides of the power transmission line body 2, and rely on friction to drive the machine body 1 to move along the power transmission line.
[0033] When obstacle removal is required, depending on the type of obstacle, the appropriate obstacle removal frame 12 is installed at the front end of the machine body 1 using fixing bolts 13. The drive motor 19 is started, and its output end drives the drive gear 18 to rotate. The drive gear 18 meshes with the toothed ring plate 15, causing the toothed ring plate 15 to rotate within the fixed ring 14. The obstacle removal rod 17 on the inner wall of the toothed ring plate 15 forms a circumferential obstacle removal range as it rotates, scraping or cleaning obstacles on the surface of the power transmission line body 2. The toothed ring plate 15 is engaged with the groove 16 of the fixed ring 14 through the annular protrusions at both ends to ensure stable rotation until the obstacle removal operation is completed.
Claims
1. A self-propelled obstacle clearing device for overhead transmission lines, comprising a body (1), characterized in that: The bottom of the body (1) is provided with a power transmission line body (2). Support frames (3) are fixedly installed at the four corners of the bottom of the body (1). Slide rails (5) are opened at the bottom of each support frame (3). Slider (6) is slidably installed inside the slide rails (5). A traveling wheel (4) is rotatably installed on the upper end of each slider (6). The inner side of the multiple traveling wheels (4) is in contact with the surface of the power transmission line body (2). An adjusting screw (7) is rotatably installed on one side of the slider (6). The other side extends through to the outside of the support frame (3) and is fixedly installed with a handwheel (11). The connection between the adjusting screw (7) and the bottom of the support frame (3) is threaded. The inside of the body (1) is provided with four hidden slots (8). The bottom of each hidden slot (8) is equipped with a rotary motor (9). The upper ends of each of the multiple walking wheels (4) are hinged with telescopic universal joints (10). The output end of the rotary motor (9) is hinged to the upper end of the telescopic universal joint (10) through a coupling.
2. The self-propelled obstacle clearing device for overhead transmission lines according to claim 1, characterized in that: There are four walking wheels (4) and they are in pairs. The two walking wheels (4) rotate in opposite directions on both sides of the power transmission line body (2).
3. The self-propelled obstacle clearing device for overhead transmission lines according to claim 1, characterized in that: The front end of the body (1) is equipped with a clearing frame (12), and the upper end of the clearing frame (12) is equipped with multiple fixing bolts (13). The clearing frame (12) is detachably installed on the front end of the body (1) by means of the fixing bolts (13).
4. The self-propelled obstacle clearing device for overhead transmission lines according to claim 3, characterized in that: The bottom of the clearing frame (12) is fixedly installed with two fixed rings (14), and a toothed ring plate (15) is rotatably installed on the inner side of the two fixed rings (14). Multiple clearing rods (17) are fixedly installed on the inner wall of the toothed ring plate (15).
5. The self-propelled obstacle clearing device for overhead transmission lines according to claim 4, characterized in that: The corresponding surfaces of the two fixing rings (14) are provided with grooves (16), and both ends of the toothed ring plate (15) are provided with annular protrusions that are adapted to the grooves (16). The toothed ring plate (15) is installed in the two fixing rings (14) through the annular protrusions.
6. The self-propelled obstacle clearing device for overhead transmission lines according to claim 5, characterized in that: A drive motor (19) is installed on one side of the bottom of the obstacle clearing frame (12), and a drive gear (18) is meshed on one side of the bottom of the toothed ring plate (15). The output end of the drive motor (19) is connected to one side of the drive gear (18) through a coupling.