CN117317877B - An electric power maintenance and protection device - Google Patents

Abstract

The invention belongs to the technical field of electric power maintenance. Specifically, it is an electric power maintenance and protection device, which includes a crank arm truck, an operating frame, a grounding wire, a fastening splint, and a ground anchor; the crank arm truck travels to the transmission line to be inspected and performs maintenance. The person stands in the operating frame, inserts the ground anchor into the ground on the roadside, and uses bolts to secure the fastening splint to the top of the ground anchor; if the maintenance area is close to telephone poles or power supply towers, the fastening splint can also be used Directly connected to the grounding device on the power pole or power supply tower; by grounding the operation frame and covering the inside of the operation frame with an insulating rubber layer, the probability of accidental electric shock for maintenance personnel is reduced, and the operation frame can effectively reduce the risk of electric shock. It reduces the probability of maintenance personnel falling; it not only facilitates maintenance personnel to clean and repair the transmission lines, but also improves the safety of maintenance personnel.

Description

An electric power maintenance and protection device

Technical field

The invention belongs to the technical field of electric power maintenance, and is specifically an electric power maintenance and protection device.

Background technique

Electric power maintenance can be divided into: power generation part maintenance, power supply part maintenance, substation part maintenance and distribution part maintenance. Power maintenance is mainly responsible for daily equipment installation and maintenance, troubleshooting, line inspection, etc. It requires high professionalism. And there is a certain degree of danger.

Most of the maintenance of the power supply part involves the maintenance of transmission lines. Transmission lines are mainly erected in the air through telephone poles and power supply towers. Transmission lines erected in the air are often entangled with plastic bags, kites and other debris; and there are birds Build the nest on the transmission line; in strong winds or rainy and snowy weather, it is easy to cause short circuits and fires in the transmission line; therefore, maintenance personnel need to clean up the debris on the transmission line in time;

When maintenance personnel clean up debris on transmission lines, they usually use long poles to clean it. If they cannot clean it or it is difficult to clean it, they will use ladders or crank trucks to get close to the transmission line and then clean it; maintenance personnel When cleaning directly near power transmission lines, a little carelessness may cause dangers such as electric shock and falling.

To this end, the present invention provides an electric power maintenance and protection device.

Contents of the invention

In order to make up for the shortcomings of the existing technology, at least one technical problem raised in the background art is solved.

The technical solution adopted by the present invention to solve the technical problem is: an electric power maintenance and protection device according to the present invention, including a crank arm truck; an operating frame is hinged at the end of the crank arm of the crank arm truck, and the inner wall of the operating frame It is covered with an insulating rubber pad; a grounding unit is provided on the bottom surface of the operation frame; the grounding unit includes a bottom shell fixed on the ground of the operation frame; a grounding wire is provided inside the bottom shell; the outside of the grounding wire The ring is covered with an insulating rubber layer; the top end of the ground wire is fixedly connected to the outer wall of the operating frame; the ground wire slides through the outer wall of the bottom case; the bottom end of the ground wire is fixed with a fastening splint; the fastener A grounding anchor is installed in the middle of the fixed plywood; the crank-arm truck drives to the transmission line to be repaired, and the maintenance personnel stand in the operating frame, insert the grounding anchor into the ground on the roadside, and use bolts to fasten the plywood and the top of the grounding anchor. Fixed connection; if the maintenance area is close to a telephone pole or power supply tower, the fastening splint can also be used to directly connect to the grounding device on the telephone pole or power supply tower; the operation frame is grounded and covered inside the operation frame The insulating rubber layer is installed, thereby reducing the probability of accidental electric shock for maintenance personnel, and the operation frame can effectively reduce the probability of maintenance personnel falling; in turn, it not only facilitates maintenance personnel to clean and inspect the transmission lines, but also improves the safety of maintenance personnel. sex.

Preferably, a No. 1 wire wheel is rotatably installed in the middle of the inner cavity of the bottom shell; the grounding wire is evenly wound around the No. 1 wire wheel; a ring gear is fixedly connected to the bottom outer ring of the No. 1 wire wheel; the bottom The side of the inner cavity of the shell away from the ground wire is fixed with a mounting bracket; the side of the mounting bracket close to the No. 1 wire wheel is fixed with the No. 1 motor; the rotating shaft of the No. 1 motor is fixed with a gear; the gear is connected to the No. 1 wire wheel. The ring gear meshes; the No. 1 motor drives the gear to rotate, drives the ring gear to rotate, drives the No. 1 wire wheel to rotate, and controls the release and recovery of the ground wire.

Preferably, a slide is bolted to one side of the inner cavity of the bottom case close to the ground wire; the slide is flat and funnel-shaped; the outlet end of the slide runs through the outer wall of the bottom case; and the ground wire slides Through the slideway; the grounding wire is guided through the set slideway, which reduces the probability of the grounding wire being entangled; and through the set slideway, the friction between the grounding wire and the bottom case can be effectively reduced, reducing the grounding Line wear.

Preferably, an auxiliary cleaning unit is provided on the top of the side of the operation frame away from the crank-arm vehicle; the auxiliary cleaning unit includes an extension arm; an extension arm is provided on the top of the side of the operation frame away from the crank-arm vehicle; the extension A chute is provided on the top surface of the arm; a screw rod is rotated and installed in the middle of the chute; a mounting groove is formed on the top surface of one end of the extension arm close to the operating frame, and the mounting groove is connected to the chute; the extension The No. 2 motor is fixed inside the mounting groove on the arm; the rotating shaft of the No. 2 motor is fixed to the end of the screw rod; a slider is slidably installed inside the chute; a screw is provided in the middle of the slider. hole; the screw rod penetrates the screw hole of the slider, and the screw rod is threaded with the screw hole of the slider; the top surface of the slider is provided with a clamping structure, and the clamping structure is used to clamp the wires on the transmission line. to complete the cleaning of debris on the transmission line, and maintain a safe distance between the maintenance personnel and the transmission line, thereby reducing the probability of electric shock for the maintenance personnel.

Preferably, the clamping structure includes an insulating base; the top surface of the slider is fixedly connected to the insulating base; a pair of scissor-type arms are rotatably mounted on the top of the insulating base; the scissor-type arms are close to the operating frame. An insert is fixedly connected to the top surface of one end; a transverse guide groove is provided on the side of the two inserts that are close to each other; a No. 3 motor is fixed to the top surface of the insulating base; the rotating shaft of the No. 3 motor is fixedly connected to an elliptical shaped runner; the outer ring of the oval runner is provided with an annular guide groove; a connecting rod is provided between the transverse guide groove and the annular guide groove; both ends of the connecting rod are spherical; the connecting rod The two ends of the scissor-type arm are slidably matched with the transverse guide groove and the annular guide groove respectively; a mounting slot is provided on the top surface of one end of the scissor-type arm away from the operating frame; a clamping arm is slidably installed in the mounting slot; the clamping arm One end close to the scissor-type arm matches the installation slot; the top surface of the installation slot is bolted with a fixed plate; when the long diameter of the oval runner rotates to the vertical direction, the inserts on both sides are driven to move together. When the long diameter of the oval runner rotates to the horizontal direction, it drives the inserts on both sides to move away from each other, so that the two clamping arms spread out apart from each other. The two scissor-type arms are close to one end away from the insert, so that the two clamping arms are close to each other and clamped; the two clamping arms are close to clamp the debris on the transmission line, thereby completing the clamping of the debris on the transmission line. Tight fixation work.

Preferably, an L-shaped plate is bolted to the top surface of the clamp arm; a cutter is bolted to the bottom surface of the clamp arm; the L-shaped plates on both sides correspond to each other; and the cutters on both sides can be connected to each other. Sliding contact; the two L-shaped plates are brought together to clamp the debris on the transmission line; the two cutters are brought together to cut the debris on the transmission line; thus making it easier for maintenance personnel to clean up.

Preferably, a slide rail is fixedly connected to the top surface of the side of the operation frame away from the crank-arm car; a slide seat is slidably installed on the top of the slide rail; the top surface of the slide seat and the extension arm are connected through a ball head rod; The slide seat slides along the slide rail to facilitate the maintenance personnel to control the horizontal position of the extension arm; at the same time, the set ball head rod facilitates the maintenance personnel to control the angle of the extension arm.

Preferably, a circular housing is fixedly connected to one end of the extension arm close to the operating frame; a No. 2 wire wheel is rotatably installed in the middle of the inner cavity of the circular housing; and a torsion wheel is provided on the rotating shaft of the No. 2 wire wheel. spring; a pull cord is arranged around the No. 2 wire wheel; a ring plate is fixedly connected to the top of the inner cavity of the circular shell; the pull cord slides through the ring plate, and the bottom of the pull cord slides through the circular shell The bottom of the body; a pressure plate is slidably installed on the top of the ring plate; a screw is rotatably installed on the top surface of the pressure plate; the screw penetrates the top of the circular shell, and the screw is threaded with the circular shell; the puller A hook is fixedly connected to the bottom end of the rope; a crossbar is fixedly connected to the top of the side of the operating frame close to the extension arm; the hook slides with the crossbar; the length of the pull rope is controlled, and the extension arm is tightened. This makes it easier for maintenance personnel to carry out maintenance and cleaning work.

Preferably, an arc-shaped guide plate is fixedly connected to the inner side of the circular shell, and the arc-shaped guide plate is located on one side in the direction in which the pull cord slides out; the outer wall of the arc-shaped guide plate is in sliding fit with the pull cord; through the provided The arc-shaped guide plate separates the pulled-out part of the drawstring from the No. 2 wire pulley, preventing the pull-out part of the drawstring from winding around the No. 2 pulley and causing the drawstring to get stuck and knotted.

Preferably, a counterweight frame is fixed to the bottom surface of one end of the extension arm close to the operation frame; a plurality of counterweight plates are stacked inside the counterweight frame, and the counterweight plates are fixed inside the counterweight frame through bolts; control The number of counterweight plates makes the two ends of the extension arm in a relatively balanced state, thereby reducing the force required for maintenance personnel to operate and making it easier for maintenance personnel to operate.

The beneficial effects of the present invention are as follows:

1. An electric power maintenance and protection device according to the present invention is provided with a crank-arm truck, an operating frame, a grounding wire, a fastening splint, and a ground anchor; the crank-arm truck drives to the transmission line to be inspected, and the maintenance personnel stand on the operating Frame, insert the ground anchor into the ground on the roadside, and use bolts to secure the fastening splint to the top of the ground anchor; if the maintenance area is close to a telegraph pole or power supply tower, the fastening splint can also be used to directly connect to the telegraph pole. Or on the grounding device on the power supply tower; by grounding the operation frame and covering the inside of the operation frame with an insulating rubber layer, the probability of accidental electric shock for maintenance personnel is reduced, and the operation frame can effectively reduce the risk of maintenance personnel falling probability; which not only facilitates maintenance personnel to clean and repair transmission lines, but also improves the safety of maintenance personnel.

2. An electric power maintenance and protection device according to the present invention is provided with an insulating base, a scissor-type arm, a No. 3 motor, an oval runner, a connecting rod, an insert and a clamping arm; the clamping structure is close to the power transmission line After the debris, the two clamping arms are located on both sides of the debris on the transmission line; the No. 3 motor drives the oval runner to rotate, causing the connecting rod to slide along the annular guide groove and the transverse guide groove; when the length of the oval runner When the radial rotation is to the vertical direction, the inserts on both sides are driven close to each other, causing the two scissor-type arms to move away from one end of the insert, causing the two clamping arms to spread apart; when the long diameter of the oval runner rotates When reaching the horizontal direction, the inserts on both sides are driven away from each other, so that the two scissor-type arms are close to each other at one end away from the insert, so that the two clamping arms are close to each other and clamped; thereby completing the clamping of debris on the transmission line. Tight fixation work.

Description of drawings

The present invention will be further described below in conjunction with the accompanying drawings.

Figure 1 is a perspective view of Embodiment 1 of the present invention;

Figure 2 is a perspective view of the operation frame in Embodiment 1 of the present invention;

Figure 3 is an internal structural diagram of the bottom case in Embodiment 1 of the present invention;

Figure 4 is a perspective view of the auxiliary cleaning unit in Embodiment 1 of the present invention;

Figure 5 is an exploded view of the auxiliary cleaning unit in Embodiment 1 of the present invention;

Figure 6 is a perspective view of the clamping structure in Embodiment 1 of the present invention;

Figure 7 is an exploded view of the clamping structure in Embodiment 1 of the present invention;

Figure 8 is a cross-sectional view of the oval runner and insert in Embodiment 1 of the present invention;

Figure 9 is a perspective view of the clamping arm, L-shaped plate and cutter in Embodiment 1 of the present invention;

Figure 10 is an internal structural diagram of the circular shell in Embodiment 1 of the present invention;

Figure 11 is a partial structural view of the extension arm in Embodiment 2 of the present invention;

In the picture: 1. Crank arm car; 2. Operation frame; 3. Bottom shell; 4. Ground wire; 5. Fastening splint; 6. Ground anchor; 7. No. 1 wire wheel; 8. Ring gear; 9. Installation Frame; 10. Motor No. 1; 11. Gear; 12. Slide; 13. Extension arm; 14. Chute; 15. Screw; 16. Motor No. 2; 17. Slider; 18. Insulated base; 19. Scissor-type arm; 20. Insert; 21. Transverse guide groove; 22. No. 3 motor; 23. Oval runner; 24. Annular guide groove; 25. Connecting rod; 26. Installation slot; 27. Clamp arm ; 28. Fixed plate; 29. L-shaped plate; 30. Cutter; 31. Slide rail; 32. Slide seat; 33. Ball head rod; 34. Circular shell; 35. No. 2 wire wheel; 36. Pull Rope; 37. Ring plate; 38. Pressure plate; 39. Screw; 40. Hook; 41. Cross bar; 42. Arc guide plate; 43. Counterweight frame; 44. Counterweight plate.

Detailed ways

In order to make it easy to understand the technical means, creative features, objectives and effects achieved by the present invention, the present invention will be further elaborated below in conjunction with specific implementation modes.

Embodiment 1: As shown in Figures 1 to 3, an electric power maintenance and protection device according to the embodiment of the present invention includes a crank arm truck 1; an operating frame 2 is hinged at the end of the crank arm of the crank arm truck 1. And the inner wall of the operation frame 2 is covered with an insulating rubber pad; the bottom surface of the operation frame 2 is provided with a grounding unit; the grounding unit includes a bottom shell 3 fixed on the ground of the operation frame 2; the inside of the bottom shell 3 is provided There is a ground wire 4; the outer ring of the ground wire 4 is covered with an insulating rubber layer; the top end of the ground wire 4 is fixedly connected to the outer wall of the operating frame 2; the ground wire 4 slides through the outer wall of the bottom case 3; The bottom end of the ground wire 4 is fixed with a fastening splint 5; a grounding anchor 6 is installed in the middle of the fastening splint 5; during work, it is necessary to clean up debris on the transmission line and perform maintenance on the transmission line. At this time, drive the crank truck 1 to the transmission line to be repaired. The maintenance personnel stand in the operation box 2, insert the ground anchor 6 into the ground on the roadside, and use bolts to fasten the fastening splint 5 and the top of the ground anchor 6. If the maintenance area is close to a telegraph pole or power supply tower, the fastening splint 5 can also be used to directly connect to the grounding device on the telegraph pole or power supply tower; the crank arm truck 1 will lift the operation frame 2 to the standby position of the transmission line. In the cleaning and maintenance area, maintenance personnel carry out cleaning and maintenance work; by grounding the operation frame 2 and covering the inside of the operation frame 2 with an insulating rubber layer, the probability of accidental electric shock for maintenance personnel is reduced, and the operation frame 2 It can effectively reduce the probability of maintenance personnel falling; thus it not only facilitates maintenance personnel to clean and inspect the transmission lines, but also improves the safety of maintenance personnel.

As shown in Figure 3, a No. 1 wire wheel 7 is rotatably installed in the middle of the inner cavity of the bottom shell 3; the ground wire 4 is evenly wound around the No. 1 wire wheel 7; the bottom outer ring of the No. 1 wire wheel 7 is fixed The ring gear 8 is connected; the side of the inner cavity of the bottom shell 3 away from the ground wire 4 is fixed with a mounting bracket 9; the side of the mounting bracket 9 close to the No. 1 wire wheel 7 is fixedly connected to the No. 1 motor 10; so The rotating shaft of the No. 1 motor 10 is fixedly connected with a gear 11; the gear 11 meshes with the ring gear 8; during operation, when the crank arm truck 1 lifts the operating frame 2 and rises, the No. 1 motor 10 drives the gear 11 to rotate, driving the gear. The circle 8 rotates, driving the No. 1 wire wheel 7 to rotate, and releasing the ground wire 4 on the outer ring of the No. 1 wire wheel 7, thereby preventing the ground wire 4 from being moved by the operating frame 2 and being tightened and broken; the crank arm car 1 will operate When the frame 2 is lifted and lowered, the No. 1 motor 10 reverses, and is driven by the gear 11 and the ring gear 8 to drive the No. 1 wire wheel 7 to reverse, and the ground wire 4 is recovered to the No. 1 wire wheel 7, thereby completing the ground wire. 4 recycling.

As shown in Figure 3, a slide 12 is bolted to one side of the inner cavity of the bottom case 3 close to the ground wire 4; the slide 12 is flat and funnel-shaped; the outlet end of the slide 12 runs through the bottom case The outer wall of 3; the grounding wire 4 slides through the slideway 12; the grounding wire 4 is guided through the provided slideway 12, which reduces the probability of the grounding wire 4 being entangled; and through the provided slideway 12, the grounding wire 4 can be effectively reduced The friction between the ground wire 4 and the bottom case 3 is eliminated, thereby reducing the wear of the ground wire 4.

As shown in Figures 1, 2, 4 and 5, an auxiliary cleaning unit is provided on the top of the side of the operation frame 2 away from the crank arm truck 1; the auxiliary cleaning unit includes an extension arm 13; the operation frame 2 An extension arm 13 is provided on the top of the side away from the crank arm truck 1; a chute 14 is provided on the top surface of the extension arm 13; a screw rod 15 is rotatably installed in the middle of the chute 14; the top of the extension arm 13 A mounting slot is provided on the top surface of one end close to the operating frame 2, and the mounting slot is connected to the chute 14; the No. 2 motor 16 is fixed inside the mounting slot on the extension arm 13; the rotating shaft of the No. 2 motor 16 and the wire The end of the rod 15 is fixed; a slide block 17 is slidably installed inside the chute 14; a screw hole is provided in the middle of the slide block 17; the screw rod 15 penetrates the screw hole of the slide block 17, and the screw rod 15 is threaded with the screw hole of the slider 17; the top surface of the slider 17 is provided with a clamping structure, and the clamping structure is used to clamp debris on the transmission line; when working, the crank arm truck 1 will operate the frame 2. After lifting to the area to be cleaned and inspected on the transmission line, the maintenance personnel control the extension arm 13 to point at the debris on the transmission line. The No. 2 motor 16 drives the screw rod 15 to rotate and drives the slider 17 to slide along the chute 14. The clamping structure is driven close to the debris on the transmission line. After the debris on the transmission line is clamped by the clamping structure, the No. 2 motor 16 reverses, drives the screw rod 15 to reverse, and drives the slider 17 to move toward the operation frame 2 , so that the clamping structure clamps the debris close to the operation frame 2, and the maintenance personnel remove the debris on the clamping structure, thereby completing the cleaning work of the debris on the transmission line, and maintaining a safe distance between the maintenance personnel and the transmission line. distance, thereby reducing the probability of electric shock for maintenance personnel.

As shown in Figures 4 to 9, the clamping structure includes an insulating base 18; the top surface of the slider 17 is fixed to the insulating base 18; a pair of scissor-type arms are mounted on the top of the insulating base 18. 19; An insert 20 is fixed on the top surface of one end of the scissor-type arm 19 close to the operating frame 2; a transverse guide groove 21 is provided on the side where the two insert blocks 20 are close to each other; the top surface of the insulating base 18 The No. 3 motor 22 is fixedly connected; the rotating shaft of the No. 3 motor 22 is fixedly connected with an elliptical runner 23; the outer ring of the elliptical runner 23 is provided with an annular guide groove 24; the transverse guide groove 21 is connected with the annular guide groove 24. A connecting rod 25 is provided between the grooves 24; both ends of the connecting rod 25 are spherical; the two ends of the connecting rod 25 are slidingly matched with the transverse guide groove 21 and the annular guide groove 24 respectively; the scissor-type arm An installation slot 26 is provided on the top surface of the end of 19 away from the operation frame 2; a clamp arm 27 is slidably installed in the installation slot 26; the end of the clamp arm 27 close to the scissor arm 19 matches the installation slot 26 ; The top surface of the installation slot 26 is bolted with a fixing plate 28; during operation, after the clamping structure is close to the debris on the transmission line, the two clamping arms 27 are located on both sides of the debris on the transmission line; No. 3 The motor 22 drives the oval runner 23 to rotate, causing the connecting rod 25 to slide along the annular guide groove 24 and the transverse guide groove 21; when the long diameter of the oval runner 23 rotates to the vertical direction, it drives the inserts 20 on both sides. When the long diameter of the oval runner 23 rotates to the horizontal direction, the two scissor-type arms 19 are moved away from one end of the insert 20, so that the two clamping arms 27 are spread apart; when the long diameter of the oval runner 23 rotates to the horizontal direction, the inserts on both sides are driven. The blocks 20 are far away from each other, so that the two scissor-type arms 19 are close to each other at one end away from the insert 20, so that the two clamping arms 27 are close to each other and clamped; the two clamping arms 27 are close to clamp the debris on the transmission line. This completes the work of clamping and fixing debris on the transmission line.

As shown in Figures 7 and 10, an L-shaped plate 29 is bolted to the top surface of the clamp arm 27; a cutter 30 is bolted to the bottom surface of the clamp arm 27; the L-shaped plates 29 on both sides are connected to each other. Correspondingly; the cutters 30 on both sides can be in sliding contact; during operation, when it is necessary to remove debris on the transmission line, the clamp arm 27 is installed into the installation slot 26, so that the two clamp arms The L-shaped plates 29 on 27 are close to each other, and the debris on the transmission line is clamped by the two L-shaped plates 29 being close to each other; when there are many debris on the transmission line and it is inconvenient to clamp and remove, the clamp Remove the arm 27, flip the clamping arm 27, and then install it so that the cutters 30 on the two clamping arms 27 are close to each other. The two cutters 30 are close to each other to cut the debris on the transmission line; thereby facilitating maintenance. personnel carry out cleanup work.

As shown in Figures 2, 4 and 5, a slide rail 31 is fixed on the top surface of the side of the operating frame 2 away from the crank arm truck 1; a sliding seat 32 is slidably installed on the top of the slide rail 31; The top surface of the sliding seat 32 and the extension arm 13 are connected through the ball-jointed rod 33; during operation, when the maintenance personnel operate the extension arm 13, the sliding seat 32 slides along the slide rail 31, which facilitates the maintenance personnel to control the horizontal position of the extension arm 13; At the same time, the provided ball head rod 33 facilitates maintenance personnel to control the angle of the extension arm 13 .

As shown in Figures 4, 5 and 10, one end of the extension arm 13 close to the operating frame 2 is fixedly connected to a circular housing 34; a No. 2 wire wheel is rotatably installed in the middle of the inner cavity of the circular housing 34 35; A torsion spring is provided on the rotating shaft of the No. 2 wire wheel 35; a drawstring 36 is arranged around the No. 2 wire wheel 35; a ring plate 37 is fixedly connected to the top of the inner cavity of the circular housing 34; The pull rope 36 slides through the ring plate 37, and the bottom of the pull rope 36 slides through the bottom of the circular housing 34; a pressure plate 38 is slidably installed on the top of the ring plate 37; a pressure plate 38 is installed on the top surface of the pressure plate 38 to rotate. Screw 39; the screw 39 penetrates the top of the circular housing 34, and the screw 39 is threaded with the circular housing 34; the bottom end of the pull rope 36 is fixed with a hook 40; the operation frame 2 is close to the extension arm A crossbar 41 is fixedly connected to the top of one side of 13; the hook 40 is in sliding fit with the crossbar 41; during work, after the maintenance personnel adjust the position of the extension arm 13, they pull the hook 40 so that the pull rope 36 passes from the No. 2 wire wheel 35 Pull out the outer ring and hang the hook 40 on the crossbar 41. At this time, the torsion spring on the rotating shaft of the No. 2 wire wheel 35 is reset, driving the No. 2 wire wheel 35 to reverse, tighten the pull rope 36, and the maintenance personnel rotate The screw 39 pushes the pressure plate 38 down, and cooperates with the ring plate 37 to tighten and fix the pull rope 36, thereby controlling the length of the pull rope 36 and tightening the extension arm 13, thereby facilitating maintenance personnel to perform maintenance and cleaning work.

As shown in FIG. 10 , an arc-shaped guide plate 42 is fixedly connected to the inner side of the circular shell 34 , and the arc-shaped guide plate 42 is located on one side in the sliding direction of the pull cord 36 ; the outer wall of the arc-shaped guide plate 42 is in contact with the The pull rope 36 slides and fits; the arc guide plate 42 is provided to separate the part where the pull rope 36 is pulled out from the No. 2 wire wheel 35, thus preventing the part where the pull rope 36 is pulled out from being wound on the No. 2 wire wheel 35. Cause the drawstring 36 to get stuck and knotted.

Embodiment 2: As shown in Figure 11, comparing to Embodiment 1, another embodiment of the present invention is: a counterweight frame 43 is fixedly connected to the bottom surface of one end of the extension arm 13 close to the operating frame 2; There are multiple counterweight plates 44 stacked inside the frame 43, and the counterweight plates 44 are fixed inside the counterweight frame 43 through bolts; during work, the maintenance personnel control the number of counterweight plates 44 according to needs, so that the two sides of the extension arm 13 The ends are in a relatively balanced state, thereby reducing the force required for maintenance personnel to operate and making it easier for maintenance personnel to operate.

Working principle: When it is necessary to clean up the debris on the transmission line or when the transmission line is inspected, drive the crank arm truck 1 to the transmission line to be inspected. The maintenance personnel stand in the operation box 2 and place the grounding anchor 6 Insert it into the ground on the roadside, and use bolts to secure the fastening splint 5 to the top of the ground anchor 6; if the maintenance area is close to a telegraph pole or power supply tower, the fastening splint 5 can also be used to directly connect to the telegraph pole or power supply tower. on the grounding device; by grounding the operation frame 2 and covering the inside of the operation frame 2 with an insulating rubber layer, the probability of accidental electric shock for maintenance personnel is reduced, and the operation frame 2 can effectively reduce the risk of maintenance personnel falling The probability;

When the crank arm truck 1 lifts the operating frame 2 up, the No. 1 motor 10 drives the gear 11 to rotate, drives the ring gear 8 to rotate, drives the No. 1 wire wheel 7 to rotate, and releases the grounding wire 4 on the outer ring of the No. 1 wire wheel 7 ;

After the crank arm truck 1 lifts the operation frame 2 to the area to be cleaned and inspected on the transmission line,

When the debris on the transmission line needs to be removed quickly, the clamping arms 27 are installed into the installation slot 26 so that the L-shaped plates 29 on the two clamping arms 27 are close to each other; when the debris on the transmission line is relatively large, When it is too large and inconvenient to clamp and remove, remove the clamp arm 27, flip the clamp arm 27 and then install it so that the cutters 30 on the two clamp arms 27 are close to each other. The two cutters 30 are close to each other for power transmission. Cut off debris on the line;

The maintenance personnel control the extension arm 13 to point at the debris on the transmission line, pull the hook 40, so that the pull rope 36 is pulled out from the outer ring of the No. 2 line wheel 35, and hang the hook 40 on the crossbar 41. At this time, the No. 2 line The torsion spring on the rotating shaft of wheel 35 is reset, driving the No. 2 wire wheel 35 to reverse, tightening the pull rope 36. The maintenance personnel turn the screw 39, push the pressure plate 38 down, and cooperate with the ring plate 37 to tighten and fix the pull rope 36, thereby controlling the The length of the pull rope 36 will tighten the extension arm 13;

The No. 2 motor 16 drives the screw rod 15 to rotate, driving the slider 17 to slide along the chute 14, driving the clamping structure close to the debris on the transmission line; the No. 3 motor 22 drives the oval runner 23 to rotate, so that the connecting rod 25 moves along the It slides along the annular guide groove 24 and the transverse guide groove 21; when the long diameter of the oval runner 23 rotates to the vertical direction, it drives the inserts 20 on both sides to approach each other, so that the two scissor-type arms 19 move away from the inserts 20 One end of the elliptical runner 23 is moved away from each other, so that the two clamping arms 27 are spread out apart from each other; when the long diameter of the oval runner 23 rotates to the horizontal direction, the inserts 20 on both sides are driven away from each other, so that the two scissor-type arms 19 are moved away from the inserts. One end of the block 20 is close to each other so that the two clamping arms 27 are clamped together; the debris on the transmission line is cut by the cutter 30; the debris on the transmission line is clamped by the L-shaped plate 29; After clamping the debris on the transmission line, the No. 2 motor 16 reverses, drives the screw rod 15 to reverse, and drives the slider 17 to move toward the operation frame 2, so that the clamping structure clamps the debris close to the operation frame 2 for maintenance. The personnel remove the debris on the clamping structure to complete the cleaning work of the debris on the transmission line. Moreover, the maintenance personnel maintain a safe distance from the transmission line, thereby reducing the probability of electric shock for the maintenance personnel; not only it is convenient for the maintenance personnel to Cleaning and maintenance of transmission lines and improving the safety of maintenance personnel.

The basic principles, main features and advantages of the present invention have been shown and described above. Those skilled in the industry should understand that the present invention is not limited by the above embodiments. The above embodiments and descriptions only illustrate the principles of the present invention. The present invention will also have other aspects without departing from the spirit and scope of the present invention. Various changes and modifications are possible, which fall within the scope of the claimed invention. The scope of protection of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. An electric power overhauls protection device, its characterized in that: comprises a crank arm vehicle (1); an operation frame (2) is hinged at the end part of a crank arm of the crank arm vehicle (1), and an insulating rubber pad is coated on the inner wall of the operation frame (2);

the bottom surface of the operation frame (2) is provided with a grounding unit; the grounding unit comprises a bottom shell (3) fixedly connected to the ground of the operation frame (2); a grounding wire (4) is arranged in the bottom shell (3); an outer ring of the grounding wire (4) is coated with an insulating rubber layer; the top end of the grounding wire (4) is fixedly connected with the outer wall of the operation frame (2); the grounding wire (4) penetrates through the outer wall of the bottom shell (3) in a sliding mode; the bottom end of the grounding wire (4) is fixedly connected with a fastening splint (5); the middle part of the fastening splint (5) is provided with a grounding anchor (6);

a first wire wheel (7) is rotatably arranged in the middle of the inner cavity of the bottom shell (3); the grounding wire (4) is uniformly wound on the first wire wheel (7); a gear ring (8) is fixedly connected with the outer ring at the bottom of the first wire wheel (7); one side of the inner cavity of the bottom shell (3) far away from the grounding wire (4) is fixedly connected with a mounting frame (9); a first motor (10) is fixedly connected to one side, close to the first wire wheel (7), of the mounting frame (9); a gear (11) is fixedly connected with a rotating shaft of the first motor (10); the gear (11) is meshed with the gear ring (8);

one side of the inner cavity of the bottom shell (3) close to the grounding wire (4) is bolted with a slideway (12); the slideway (12) is in a flat funnel shape; the outlet end of the slideway (12) penetrates through the outer wall of the bottom shell (3); the grounding wire (4) penetrates through the slideway (12) in a sliding manner;

an auxiliary cleaning unit is arranged at the top of one side of the operation frame (2) far away from the crank arm vehicle (1); the auxiliary cleaning unit comprises an extension arm (13); an extension arm (13) is arranged at the top of one side of the operation frame (2) far away from the crank arm vehicle (1); a chute (14) is formed in the top surface of the extension arm (13); a screw rod (15) is rotatably arranged in the middle of the sliding groove (14); the top surface of the extension arm (13) close to one end of the operation frame (2) is provided with a mounting groove which is communicated with the sliding groove (14); a second motor (16) is fixedly connected in the installation groove on the extension arm (13); the rotating shaft of the second motor (16) is fixedly connected with the end part of the screw rod (15); a sliding block (17) is arranged in the sliding groove (14) in a sliding manner; the middle part of the sliding block (17) is provided with a screw hole; the screw rod (15) penetrates through a screw hole of the sliding block (17), and the screw rod (15) is in threaded fit with the screw hole of the sliding block (17); the top surface of the sliding block (17) is provided with a clamping structure which is used for clamping sundries on the power transmission line;

the clamping structure comprises an insulating base (18); the top surface of the sliding block (17) is fixedly connected with the insulating base (18); a pair of scissor-type support arms (19) are rotatably arranged at the top of the insulating base (18); an insert (20) is fixedly connected to the top surface of one end of the scissor-type support arm (19) close to the operation frame (2); a transverse guide groove (21) is formed in one surface, close to the two inserts (20); a third motor (22) is fixedly connected to the top surface of the insulating base (18); an elliptical rotating wheel (23) is fixedly connected with a rotating shaft of the third motor (22); an annular guide groove (24) is formed in the outer ring of the elliptical rotating wheel (23); a connecting rod (25) is arranged between the transverse guide groove (21) and the annular guide groove (24); both ends of the connecting rod (25) are spherical; the two ends of the connecting rod (25) are respectively in sliding fit with the transverse guide groove (21) and the annular guide groove (24); the top surface of one end of the scissor-type support arm (19) far away from the operation frame (2) is provided with a mounting clamping groove (26); a clamping arm (27) is slidably arranged in the mounting clamping groove (26); one end of the clamping arm (27) close to the scissor-type support arm (19) is matched with the mounting clamping groove (26); the top surface of the mounting clamping groove (26) is bolted with a fixing plate (28).

2. The electrical service protection device of claim 1, wherein: the top surface of the clamping arm (27) is bolted with an L-shaped plate (29); the bottom surface of the clamping arm (27) is bolted with a cutter (30); the L-shaped plates (29) at the two sides are corresponding to each other; the cutters (30) on both sides can be in sliding contact.

3. The electrical service protection device of claim 1, wherein: a sliding rail (31) is fixedly connected to the top surface of one side, far away from the crank arm vehicle (1), of the operation frame (2); a sliding seat (32) is arranged at the top of the sliding rail (31) in a sliding manner; the top surface of the sliding seat (32) is connected with the extension arm (13) through a ball head rod (33).

4. The electrical service protection device of claim 1, wherein: one end of the extension arm (13) close to the operation frame (2) is fixedly connected with a circular shell (34); a second wire wheel (35) is rotatably arranged in the middle of the inner cavity of the circular shell (34); a torsion spring is arranged on the rotating shaft of the second wire wheel (35); a pull rope (36) is arranged on the second wire wheel (35) in a surrounding mode; the top of the inner cavity of the circular shell (34) is fixedly connected with a ring plate (37); the pull rope (36) penetrates through the annular plate (37) in a sliding mode, and the bottom of the pull rope (36) penetrates through the bottom of the circular shell (34) in a sliding mode; a pressing plate (38) is slidably arranged on the top of the annular plate (37); the top surface of the pressing plate (38) is rotatably provided with a screw rod (39); the screw rod (39) penetrates through the top of the circular shell (34), and the screw rod (39) is in threaded fit with the circular shell (34); a hook (40) is fixedly connected to the bottom end of the pull rope (36); a cross rod (41) is fixedly connected to the top of one surface of the operation frame (2) close to the extension arm (13); the hook (40) is in sliding fit with the cross bar (41).

5. The electrical service protection device of claim 4, wherein: an arc-shaped guide plate (42) is fixedly connected to one side of the inside of the circular shell (34), and the arc-shaped guide plate (42) is positioned at one side of the pull rope (36) in the sliding-out direction; the outer wall of the arc-shaped guide plate (42) is in sliding fit with the pull rope (36).

6. The electrical service protection device of claim 1, wherein: a counterweight frame (43) is fixedly connected to the bottom surface of one end, close to the operation frame (2), of the extension arm (13); a plurality of weight plates (44) are stacked in the weight frame (43), and the weight plates (44) are fixed in the weight frame (43) through bolts.