CN117613762A

CN117613762A - Transportation and rescue method for overhauling power transmission overhead circuit

Info

Publication number: CN117613762A
Application number: CN202311676553.4A
Authority: CN
Inventors: 徐杰; 冷冬; 张庚喜; 郭宏伟; 张明; 高会民
Original assignee: Qinhuangdao Power Supply Co of State Grid Jibei Electric Power Co Ltd
Current assignee: Qinhuangdao Power Supply Co of State Grid Jibei Electric Power Co Ltd
Priority date: 2023-12-07
Filing date: 2023-12-07
Publication date: 2024-02-27

Abstract

The invention relates to a transportation and rescue method for overhauling a power transmission overhead circuit, which comprises the following steps: conveying the connecting rack to a position close to the lead by using the unmanned aerial vehicle; clamping the wire clamp on the connecting rack on the wire; the connection between the unmanned aerial vehicle and the connection rack is released, and the unmanned aerial vehicle flies back to the ground; the other end of the rope connected with the connecting rack is fixed on the ground; the equipment to be transported is sent to a conveying platform which is arranged on the rope in a sliding way; the crawling mechanism connected with the conveying platform is utilized to walk upwards along the rope until equipment on the conveying platform approaches the lead and stops; the equipment on the conveying platform is hung on the wire, so that the equipment is conveyed to the wire. The invention realizes the high-altitude transportation of equipment, omits the step of manually climbing the tower, has simple and convenient operation, and can also avoid dangerous situations of manual high-altitude operation.

Description

Transportation and rescue method for overhauling power transmission overhead circuit

Technical Field

The invention relates to the technical field of equipment suitable for operating on overhead conductors, in particular to a transportation and rescue method for overhauling a power transmission overhead circuit.

Background

At present, the maintenance of the transmission overhead line often requires workers or equipment to walk on the line, the equipment is transported and hung on a wire always in very troublesome work, and sometimes manual climbing of a tower is required, so that the equipment can be successfully hung on the wire by cooperation at a high altitude. The manual climbing tower is hung and connected, so that the problems of complex operation, high risk and the like exist. In addition, when an maintainer works on line, the maintainer always falls carelessly, and though the maintainer is tied with a safety belt rope, the maintainer is hung on the guide wire through the safety belt rope after falling, and is difficult to climb on the guide wire again, so that timely rescue is needed, the existing rescue mode is that the rescuer climbs on the guide wire to rescue, and the problems of high risk, high rescue difficulty and the like exist.

Disclosure of Invention

The invention aims to overcome the defects of the prior art, provides a transportation and rescue method for overhauling a power transmission overhead circuit, solves the problems of complex operation, high risk and the like existing in the prior art that equipment is required to be hung on a wire by a manual climbing tower, and solves the problems of high risk, high rescue difficulty and the like existing in high-altitude manual rescue.

The technical scheme for achieving the purpose is as follows:

the invention provides a transportation method for overhauling a power transmission overhead circuit, which comprises the following steps:

providing an unmanned aerial vehicle and a connecting rack, and connecting the unmanned aerial vehicle on the connecting rack;

conveying the connecting rack to a position close to the lead by using an unmanned aerial vehicle;

clamping the wire clamp on the connecting rack on a wire;

the connection between the unmanned aerial vehicle and the connection rack is released, and the unmanned aerial vehicle flies back to the ground;

the other end of the rope connected with the connecting rack is fixed on the ground;

the equipment to be transported is sent to a conveying platform which is arranged on the rope in a sliding way;

the crawling mechanism connected with the conveying platform is utilized to walk upwards along the rope until equipment on the conveying platform approaches the lead and stops;

the equipment on the conveying platform is connected to the guide wire in a hanging mode, and therefore the equipment is conveyed to the guide wire;

the crawling mechanism walks downwards to the ground along the rope, and the connecting rack is taken down from the lead by the unmanned aerial vehicle.

According to the invention, the wire clamp and the rope are conveyed to the position of the high-altitude wire by the unmanned aerial vehicle, the wire clamp is clamped on the wire, then the end part of the rope is positioned on the ground, and further the operation equipment to be conveyed is supported by the conveying platform, and the crawling mechanism is utilized to walk upwards along the rope, so that the operation equipment is conveyed to the position of the high-altitude wire, the high-altitude conveying of the operation equipment is realized, the step of manually crawling a tower is omitted, the operation is simple and convenient, and the dangerous situation of manual high-altitude operation can be avoided.

The invention further improves the transportation method for overhauling the power transmission overhead circuit, which comprises the following steps of transporting equipment on a wire to the ground:

the connection rack is sent to the vicinity of the lead by using the unmanned plane;

clamping the wire clamp at a position on the wire close to the equipment;

fixing the other end of the rope on the ground;

the crawling mechanism is utilized to walk upwards to drive the conveying platform to walk to a position close to the lead;

allowing the equipment to walk onto the conveying platform along the lead, and releasing the hanging connection between the equipment and the lead;

the crawling mechanism is utilized to walk downwards along the rope to carry the operation equipment and equipment on the operation equipment to the ground, so that the equipment is transported to the ground;

and taking down the connecting rack from the lead by using the unmanned aerial vehicle.

The invention relates to a transporting method for overhauling a power transmission overhead circuit, which is further improved in that a connecting ball head arranged downwards is arranged on a connecting rack; the unmanned aerial vehicle is provided with a clamping seat, wherein the clamping seat is provided with a clamping hole and a plurality of arc-shaped rods rotatably connected to the periphery of the clamping hole;

when the unmanned aerial vehicle is connected with the connecting ball head on the connecting rack, the clamping seat of the unmanned aerial vehicle can be arranged below the connecting ball head, the unmanned aerial vehicle is moved upwards to enable the clamping seat to be clamped on the connecting ball head through the clamping hole, the connecting ball head pushes the arc-shaped rod downwards to extend into the lower part of the arc-shaped rod, and the arc-shaped rod is blocked at the clamping hole to limit the upward movement of the connecting ball head;

when unmanned aerial vehicle is connected with the connection bulb in the connection frame and is released, the control is retracted with the extensible member that the arc pole is connected, takes the arc pole to rotate downwards and is the open condition, lets unmanned aerial vehicle move down and then connects bulb and joint seat phase separation.

The invention relates to a further improvement of a transportation method for overhauling a power transmission overhead circuit, which is characterized in that the side part of a transportation platform is rotatably connected with an expansion board, and the expansion board is provided with an adjusting groove and a limiting block which can be movably adjusted and can extend out of the adjusting groove;

after the equipment is fed into the conveying platform, the limiting block extends upwards, and the position of the limiting block is adjusted along the adjusting groove in a moving mode, so that the limiting block is blocked at the side portion of the equipment.

The invention relates to a further improvement of a transportation method for overhauling a power transmission overhead circuit, which comprises a climbing frame, a lower climbing frame, a lifting driving piece connected with the climbing frame and the lower climbing frame, a pair of clasping pieces movably and adjustably arranged on the climbing frame and the lower climbing frame, and pulleys and brake blocks arranged on the clasping pieces;

the enclasping pieces on the upper climbing frame and the lower climbing frame are butted, and the pulleys on the enclasping pieces are sleeved on the guide ribs arranged on the ropes;

when the climbing frame walks upwards, the brake block on the climbing frame tightly pushes the rope and extends out of the lifting driving piece, so that the climbing frame moves upwards along the rope, the brake block of the climbing frame tightly pushes the rope after moving in place, the locking state of the climbing frame is released, the lifting driving piece is retracted, the climbing frame is taken to move upwards, and the upward walking is realized by repeating the steps;

when walking downwards, the brake block of the climbing frame is tightly propped against the rope, and the lifting driving piece is extended, so that the climbing frame moves downwards along the rope, the brake block of the climbing frame is tightly propped against the rope after moving in place, the locking state of the climbing frame is released, the lifting driving piece is retracted, the climbing frame is driven to move downwards, and the downward walking is realized by repeating the steps.

The invention also provides a rescue method for overhauling the power transmission overhead circuit, which comprises the following steps:

providing rescue equipment, and transporting the provided rescue equipment to a wire by using the method;

the walking obstacle surmounting mechanism on the rescue equipment is used for clamping on the guide line and walking along the guide line;

stopping the rescue equipment when the rescue equipment walks to the rescue position;

the height of the rescue cage on the rescue equipment is adjusted, the rescue cage is opened, and operators hung on the lead enter the rescue cage, so that high-altitude rescue is realized.

The rescue method for overhauling the power transmission overhead circuit is further improved in that after operators enter a rescue cage, rescue equipment is transported to the ground by the method.

The invention further improves the rescue method for overhauling the power transmission overhead circuit, which is characterized in that when rescue equipment walks along a wire to meet an obstacle, the obstacle is overcome by utilizing a walking obstacle crossing mechanism.

The invention relates to a rescue method for overhauling a power transmission overhead circuit, which is further improved in that a rescue cage of rescue equipment is hung and connected on a connecting seat through two lifting mechanisms;

the height of the rescue cage is adjusted by controlling the operation of the lifting mechanism.

The invention relates to a rescue method for overhauling a power transmission overhead circuit, which is further improved in that two sides of a rescue cage are provided with side fences which can be adjusted in a rotating way;

during rescue, the side fence is rotated and opened to be horizontal, so that operators can enter the rescue cage through the side fence.

The transportation method has the beneficial effects that:

utilize unmanned aerial vehicle cooperation string, accessible subaerial manual remote control operation that carries out can realize on the correlation equipment conveys the wire, saved the operation process of manual work climbing the tower.

The invention can carry the relevant operation equipment to the lead, and can bring the relevant operation equipment back to the ground after the operation equipment finishes working, thereby realizing the high-altitude transportation of the equipment.

The periphery equipartition of rope has the direction rib, can prevent effectively that the mechanism of crawling from walking in-process from rotating around the rope, guarantees conveying platform's steady conveying.

The clamping jaw of the wire clamp is provided with the arc guide plate, so that the wire is conveniently guided to enter the clamping jaw for clamping.

The unmanned aerial vehicle is connected with the ball head through the joint seat machine that sets up with the connection frame, has realized quick butt joint.

The end part of the rope, which is positioned on the ground, is wound on the winch, and the winch is fixed on the ground, so that the stability of the rope can be improved, and the swing of the equipment in the transmission process can be avoided.

The crawling mechanism is semicircular, so that the crawling mechanism is convenient to open and close, and the rope can be convenient for anger.

The extension board of conveying platform is rotatable, and the entering of the equipment of being convenient for, the stopper can be adjusted and realize not unidimensional equipment.

The rescue method has the beneficial effects that:

the rescue equipment can walk on the lead in a controllable manner, and can automatically cross the obstacles on the lead when encountering the obstacles such as the connecting pipe or the spacing rod on the lead.

The height position of the rescue cage can be adjusted according to the requirement.

The high-altitude transportation can be carried out by matching with a transportation method, the high-altitude transportation can be automatically separated from a transportation platform of transportation equipment in the air, and after rescue is completed, the high-altitude transportation can be moved to the transportation platform and then safely transported to the ground by the transportation method.

The whole rescue process does not need to climb the tower manually, and the risk of high-altitude operation can be reduced.

Drawings

Fig. 1 is a flow chart of a method of transportation for service of an overhead power transmission circuit of the present invention.

Fig. 2 is a schematic structural diagram of a transmission method for overhauling an overhead transmission circuit in a transmission process of a wire.

Fig. 3 is a schematic perspective view of a wire clamp in a transportation method for overhauling an overhead transmission circuit.

Fig. 4 is a schematic structural diagram of a connection frame with a wire clamp and a rope in the transportation method for overhauling the power transmission overhead circuit.

Fig. 5 is a schematic structural diagram of an unmanned aerial vehicle used in the transportation method for overhauling the power transmission overhead circuit.

Fig. 6 is a cross-sectional view of a drone for use in the method of transportation for service of an overhead power transmission circuit of the present invention.

Fig. 7 is an enlarged partial schematic view at a in fig. 6.

Fig. 8 is a schematic structural diagram of a conveying platform and a crawling mechanism in the conveying method for overhauling the power transmission overhead circuit.

Fig. 9 is a schematic structural diagram of a conveying platform in the conveying method for overhauling the power transmission overhead circuit.

Fig. 10 is a schematic structural view of a moving frame in the transportation method for overhauling the power transmission overhead circuit.

Fig. 11 is a schematic structural diagram of a crawling mechanism in the transportation method for overhauling the power transmission overhead circuit.

Fig. 12 is a schematic structural view of the transmission overhead circuit maintenance transport method according to the present invention, with one side omitted from the crawling mechanism.

Fig. 13 is a schematic structural view of an arc-shaped mounting plate in the transportation method for overhauling the power transmission overhead circuit.

Fig. 14 is a schematic diagram of the installation structure of the pulley and the brake block in the transportation method for overhauling the power transmission overhead circuit.

Fig. 15 is a side view of the structure shown in fig. 14.

Fig. 16 is a flow chart of a rescue method for overhauling an overhead transmission circuit of the invention.

Fig. 17 is a schematic structural view of a rescue apparatus used in the rescue method of the present invention, which is hung on a wire and has a side fence in an unfolded state.

Fig. 18 is a schematic structural diagram of a rescue apparatus used in the rescue method according to the present invention, in which a part of the connection base is omitted.

Fig. 19 is a schematic view showing a perspective structure of a clamping assembly of a rescue apparatus used in the rescue method according to the present invention with the bottom up.

Fig. 20 is a schematic perspective view of a clamping assembly of a rescue apparatus used in the rescue method of the present invention.

Fig. 21 is a schematic structural view of a lifting mechanism of a lifting rescue apparatus used in the rescue method of the present invention.

Fig. 22 is a schematic structural view of a rescue cage of the lifting rescue apparatus used in the rescue method of the present invention.

Detailed Description

The invention will be further described with reference to the drawings and the specific examples.

Referring to fig. 1, the invention provides a transportation and rescue method for overhauling a power transmission overhead circuit, which can be used for transmitting operation equipment to a wire, wherein the operation equipment can be rescue equipment, an unmanned aerial vehicle is used for hanging the wire, and then the operation equipment automatically walks upwards to the position of the wire through a crawling mechanism, so that the operation equipment on the wire can be taken down and transported to the ground, manual climbing assistance is not needed in the whole process, the operation is safe and reliable, and the operation is simple and convenient. The rescue equipment used by the invention can be hung on the wire and walk along the wire, and can also realize automatic crossing of obstacles, and the rescue cage which is arranged on the rescue equipment and can be adjusted in a lifting manner can rescue operators which fall off the wire carelessly and hang on the wire. The transportation and rescue method for overhauling the power transmission overhead circuit is described below with reference to the accompanying drawings.

Referring to fig. 1, a flow chart of a method of transportation for service of a power transmission overhead circuit of the present invention is shown. The following describes a transportation method for overhauling an overhead transmission circuit according to the present invention with reference to fig. 1.

As shown in fig. 1, the transportation method for overhauling the power transmission overhead circuit comprises the following steps:

step S101 is executed, an unmanned aerial vehicle and a connecting rack are provided, and the unmanned aerial vehicle is connected to the connecting rack; step S102 is then executed;

step S102 is executed, and the unmanned aerial vehicle is utilized to convey the connecting rack to a position close to the lead; step S103 is then performed;

step S103 is executed, the wire clamp on the connecting rack is clamped on the wire; step S104 is then executed;

step S104 is executed, the connection between the unmanned aerial vehicle and the connecting rack is released, and the unmanned aerial vehicle flies back to the ground; step S105 is then performed;

step S105 is executed, the other end of the rope connected with the connecting rack is fixed on the ground; step S106 is then executed;

step S106 is executed, the equipment to be transported is sent to a conveying platform which is arranged on the rope in a sliding way; step S107 is then performed;

step S107 is executed, a crawling mechanism connected with the conveying platform is utilized to walk upwards along the rope until equipment on the conveying platform approaches the wire and stops; step S108 is then executed;

step S108 is executed, equipment on the conveying platform is hung on the wire, and therefore the transportation of the equipment to the wire is completed; step S109 is then performed;

step S109 is executed, the crawling mechanism walks downwards to the ground along the rope, and the connecting rack is taken down from the lead by the unmanned aerial vehicle.

In one embodiment of the invention, the method further comprises the step of transporting the device on the wire to the ground:

clamping the wire clamp at a position on the wire close to the equipment;

fixing the other end of the rope on the ground;

As shown in fig. 2, the connection rack 21 is connected with a rope 23 and a wire clamp 22, and the connection rack 21 can be hung on a wire or taken down from the wire by using an unmanned aerial vehicle for high-altitude transportation, so that a worker can stand on the ground to control the unmanned aerial vehicle, manual climbing of a tower is avoided, and the safety of the worker can be ensured while the operation intensity is reduced.

In one embodiment of the present invention, as shown in fig. 4, a connecting ball 212 disposed downward is provided on the connecting frame 21; as shown in fig. 5 to 7, the unmanned aerial vehicle 40 is provided with a clamping seat 26, and the clamping seat 26 is provided with a clamping hole 261 and a plurality of arc-shaped rods 262 rotatably connected to the periphery of the clamping hole 261;

when the unmanned aerial vehicle 40 is connected with the connecting ball 212 on the connecting rack 21, the clamping seat 26 of the unmanned aerial vehicle 40 can be arranged below the connecting ball 212, then the unmanned aerial vehicle 40 is moved upwards to enable the clamping seat 26 to be sleeved on the connecting ball 212 through the clamping hole 261, the connecting ball 212 pushes the arc-shaped rod 262 downwards to extend into the lower part of the arc-shaped rod 262, and the arc-shaped rod 262 is blocked at the clamping hole 261 to limit the upward movement of the connecting ball 212;

when the unmanned aerial vehicle 40 is disconnected with the connecting ball 212 on the connecting rack 21, the telescopic piece 264 connected with the arc-shaped rod 262 is controlled to retract, and the telescopic piece is rotated downwards along with the arc-shaped rod 262 to be in an open state, so that the unmanned aerial vehicle 40 moves downwards to be connected with the ball 212 and the clamping seat 26 to be separated.

As shown in fig. 4, a connecting member 211 is connected to the connecting frame 21, and a connecting ball 212 disposed downward is formed at the bottom of the connecting member 211. As shown in fig. 5 to 7, a limiting spring 263 is arranged at the joint of the arc-shaped rod 262 and the clamping seat 26, and the limiting spring 263 is used for limiting the upward rotation adjustment of the arc-shaped rod 262; a telescopic adjusting telescopic piece 264 is connected between the clamping seat 26 and the bottom of the arc-shaped rod 262, corresponding electromagnets 265 are arranged on the telescopic piece 264 and the arc-shaped rod 262, and after the electromagnets 265 are electrified, the telescopic piece 264 is retracted to drive the arc-shaped rod 262 to rotate downwards to be in an open state. So realized unmanned aerial vehicle 40 and connect quick installation and disassembly between frame 21, when need be released the connection, only need control electromagnet 265 circular telegram, can rotate the arc pole 262 and open, connect bulb 212 just can break away from mutually with clamping seat 26.

The extension piece 264 comprises a sleeve and an inserted rod inserted into the sleeve, the inserted rod is connected to the bottom of the arc-shaped rod 262, the inserted rod is close to the limit spring 263, an electromagnet 265 is arranged at the end part of the inserted rod and corresponds to the end part of the sleeve, after the electromagnet 265 is electrified, the inserted rod completely stretches into the sleeve, and the arc-shaped rod 262 is pulled to rotate downwards to be in an open shape. The limit spring 263 is preferably a disc spring.

The clamping seat 26 comprises a bowl-shaped structure and a supporting rod which is connected with the bowl-shaped structure in a supporting way, the bottom of the supporting rod is connected with the top surface of the unmanned aerial vehicle, a clamping hole is formed in the bowl-shaped structure, and an arc surface is formed at the top of the bowl-shaped structure so as to facilitate the connection of the ball head. The top surface of the unmanned aerial vehicle 40 is provided with a control switch corresponding to the clamping hole 261, and when the connecting ball head 212 is clamped into the clamping hole 261, the control switch is touched, so that the wire clamp 22 is controlled to be in an open state.

As shown in fig. 3 and 4, the wire clip 22 includes a wire clip seat 221, a vertical frame 222 disposed on the wire clip seat 221, a third vertical adjuster disposed on the wire clip seat 221 and located inside the wire clip seat 221, a sliding slot 223 formed on the vertical frame 222, at least one pair of connecting rods 224 slidably disposed in the sliding slot 223, and a pair of clamping jaws 225 rotatably and adjustably disposed at the top of the vertical frame 222, wherein one end of each connecting rod 224 is hinged with a corresponding clamping jaw 225, the other end is hinged with an end of the other connecting rod 224, and the hinged ends of the two connecting rods 224 are slidably disposed in the sliding slot 223. The third vertical adjusting piece can be adjusted in a telescopic mode vertically, and clamping and opening of the control wire clamp 22 are achieved through controlling the telescopic adjustment of the third vertical adjusting piece. Specifically, when the connecting frame 21 is hung, the third vertical adjusting piece is controlled to extend upwards, the connecting rod 224 is pushed to move upwards, the ends of the pair of clamping jaws 225 are further away from each other, the clamping jaws 225 are in an open state, when the clamping jaws 225 of the wire clamp 22 are clamped on the outer side of the wire 10, the third vertical adjusting piece is controlled to retract downwards, the connecting rod 224 is pulled to move downwards, and the ends of the pair of clamping jaws 225 are further close to each other, so that the clamping on the wire is realized. When the connection mechanism 21 needs to be disconnected from the wire, the third vertical adjusting piece is controlled to extend upwards, so that the clamping jaw 225 is opened, and the clamping of the wire 10 is released.

The clamp holder 221 of the clamp 22 is rotatably mounted on the connection housing 21 by means of a rotary drive, the clamp 22 being rotatable in a horizontal plane by means of a rotary adjustment of the rotary drive, so that two clamping jaws 225 on the clamp 22 can be located on both sides of the conductor 10.

In one embodiment of the present invention, a hoist 27 is provided at the ground, the rope 23 is partially wound around the hoist 27, and the rope 23 is controlled to be wound and unwound by the operation of the hoist 27. The hoist 27 is fixed to the ground by an anchor to improve the stability of the rope 23.

In one embodiment of the present invention, as shown in fig. 2, 8 and 9, an expansion plate 242 is rotatably connected to a side portion of the conveying platform 24, and an adjusting groove 2421 and a limiting block 244 which can be movably adjusted and can be extended from the adjusting groove 2421 are provided on the expansion plate 242;

after the apparatus is fed into the conveying platform 24, the stopper 244 is extended upward, and the position of the stopper 244 is adjusted along the adjustment groove 2421 so that the stopper 244 is stopped at the side of the apparatus.

As shown in fig. 8 and 10, a movable seat plate 2422 is fixedly connected to the bottom of the expansion plate 242, and a slide rail is provided on the movable seat plate, and the arrangement direction of the slide rail is consistent with the arrangement direction of the adjustment groove 2421. The sliding frame 243 is slidably disposed on the moving seat plate, and a second horizontal adjusting member is connected to the moving seat plate 2422, and is telescopically adjustable, and is connected to the moving frame 243, and the moving frame 243 is driven to move and adjust by telescopic adjustment. Preferably, the second horizontal adjusting member is a driving mechanism formed by combining a motor and a screw, the motor can drive the screw to rotate, the screw is in threaded connection with the moving frame 243, and the moving frame 243 can move along the screw. Or the second leveling member is a drive cylinder. Two adjusting grooves 2421 are provided. The two limiting blocks 244 are also arranged on the moving frame 243, and a second vertical adjusting piece is arranged at the bottom of each limiting block 244 and can be telescopically adjusted along the direction perpendicular to the moving frame 243 so as to further move upwards or downwards with the limiting block 244. The second vertical adjustment is preferably an electric cylinder or a drive cylinder.

Further, the outer periphery of the conveying platform 24 is provided with a rail 245 except for the side connected to the expansion plate 242, and the crawling mechanism 25 is connected to the rail 245 disposed opposite to the expansion plate 242. A pull cord is provided between the top of the rail 245 and the outer end of the expansion plate 242 (i.e., the end opposite the rotatable connection end) and is wound around a cord reel that can retract and retract the pull cord to thereby control the posture of the expansion plate 242. Freely rotatable rollers 241 are provided at the bottom of the transfer platform 24 and expansion plate 242 to facilitate pushing the device onto the transfer platform 24 or off the transfer platform 24.

In one embodiment of the present invention, as shown in fig. 2, 8, and 11 to 15, the crawling mechanism 25 includes an ascending frame 251, a descending frame 252, a lifting driving member 253 connecting the ascending frame 251 and the descending frame 252, a pair of clasping members 254 movably and adjustably provided on the ascending frame 251 and the descending frame 252, and pulleys 2544 and brake blocks 2545 provided on the clasping members 254;

abutting the clasping member 254 on the upper climbing frame 251 and the lower climbing frame 252, and clamping the pulley 2544 on the clasping member 254 on the guide rib arranged on the rope 23;

when the user walks upwards, the brake block 2545 on the lower climbing frame 252 is tightly propped against the rope 23, the lifting driving piece 253 extends out, so that the upper climbing frame 251 moves upwards along the rope 23, the brake block 2545 of the upper climbing frame 251 is tightly propped against the rope 23 after moving in place, the locking state of the lower climbing frame 252 is released, the lifting driving piece 253 is retracted, the lower climbing frame 252 is carried to move upwards, and the upward walking is realized by repeating the steps;

when the user walks downwards, the brake block 2545 of the climbing frame 251 is tightly pressed against the rope 23, the lifting driving piece 253 is extended, the climbing frame 252 moves downwards along the rope 23, the brake block 2545 of the climbing frame 252 is tightly pressed against the rope 23 after moving in place, the locking state of the climbing frame 251 is released, the lifting driving piece 253 is retracted, the climbing frame 251 is carried to move downwards, and the downward walking is realized by repeating the steps.

As shown in fig. 12, the clasping member 254 is a semicircular plate, and the clasping members 254 can be sleeved on the outer side of the rope 23 after abutting. As shown in fig. 11, the climbing frame 251 and the climbing frame 252 each include a frame plate which is disposed opposite to each other, a holding member 254 is disposed between the frame plates which are disposed opposite to each other, a first horizontal adjusting member 256 is disposed on the frame plate, the first horizontal adjusting member 256 is correspondingly connected to the holding member 254, and the first horizontal adjusting member 256 can be telescopically adjusted in a horizontal direction, so that the holding member 254 is carried to perform movement adjustment. When the first leveling member 256 is retracted, the two clasping members 254 are away from each other, thereby allowing ready clamping of the cord 23 or release of the cord 23; when the first horizontal adjusting member 256 is extended, the two holding members 254 are tightly attached to each other to hold the rope 23, and if the rope 23 is positioned on the inner side of the holding members 254, the rope 23 is clamped. Preferably, the first leveling member 256 is an electric cylinder, or a drive cylinder.

The lifting driving parts 253 are provided with a plurality of guiding parts 255 which can be telescopically adjusted, are supported and connected between the upper climbing frame 251 and the lower climbing frame 252, and the guiding parts 255 can play a role in guiding the walking of the crawling mechanism 25 through telescopic adjustment, so that the walking stability is improved.

As shown in fig. 13 and 14, the surface of the pulley 2544 is provided with an annular groove, which can just accommodate the guide rib on the rope 23, and the guide rib is in a strip shape and protrudes outwards from the surface of the rope 23. The annular groove is matched with the guide rib, and can be mutually sleeved and matched.

As shown in fig. 12 to 15, an arc-shaped mounting plate 2541 is connected to the holding member 254, a rotatable arc-shaped toothed plate 2542 is provided on the arc-shaped mounting plate 2541, a driving member 2543 provided on the arc-shaped mounting plate 2541 and in driving connection with the outer side of the arc-shaped toothed plate 2542, a first driven gear 2546 rotatably provided on the arc-shaped mounting plate 2541 and meshed with the inner side of the arc-shaped toothed plate 2542, a second driven gear 2547 coaxially connected with the first driven gear 2546, and a rack 2548 slidably provided on the arc-shaped mounting plate 2541 and meshed with the second driven gear 2547; the end of the rack 2548 is connected to the pulley 2544 through a spring 2549, and the spring 2549 applies an elastic force to the pulley 2544 to move away from the rack 2548; a brake block 2545 is coupled to the rack 2548 and is positioned below the pulley 2544.

The spring 2549 applies an elastic force to the pulley 2544 moving away from the rack 2548, so that when the pulley 2544 is clamped on the guide rib on the rope 23, the pulley 2544 can be tightly attached to the corresponding guide rib under the elastic force of the spring 2549. Preferably, a connection lug is connected to the end of the rack 2548 by a spring 2549, and the pulley 2544 is rotatably connected to the connection lug.

When the driving member 2543 drives the arc-shaped toothed plate 2542 to rotate, the arc-shaped toothed plate 2542 drives the first driven gear 2546 meshed with the inside to rotate, the first driven gear 2546 further drives the second driven gear 2547 to rotate, the second driven gear 2547 can rotate to drive the rack 2548 to move and adjust, and when the rack 2548 moves towards a position close to a rope, the pulley 2544 can further compress the spring 2549 until the brake block 2545 clamps the rope to realize braking. When the racks 2548 are moved to a position away from the rope, the brake shoes 2545 are released from the rope, and the pulleys 2544 remain clamped against the guide ribs of the rope under the action of the springs 2549.

Still further, the driving member 2543 is a driving motor and a driving gear connected to a motor shaft of the driving motor, and the driving gear is meshed with external teeth of the arc-shaped toothed plate 2542, so that the driving motor can drive the arc-shaped toothed plate 2542 to rotate by a certain angle. The rotation of the arc-shaped toothed plate 2542 does not drive the arc-shaped mounting plate 2541 to rotate, so that the pulley 2544 can be stably sleeved on the rope. Preferably, the arc toothed plate 2542 is a semicircular annular plate, and the inner side and the outer side of the arc toothed plate are provided with teeth. The arcuate mounting plate 2541 is also a semi-circular ring plate. At the side of the arc-shaped mounting plate 2541, a protruding plate is provided for mounting the driving member 2543.

The first driven gear 2546 and the second driven gear 2547 are mounted on a gear seat, the first driven gear 2546 and the second driven gear 2547 are arranged in a vertically opposite mode, and coaxial connection is achieved through a rotary shaft rotatably arranged on the gear seat. The rotation of the first driven gear 2546 can be synchronized with the rotation of the second driven gear 2547. The rack 2548 is meshed with the second driven gear 2547, the rack 2548 is slidably arranged on a gear seat, the gear seat is fixedly connected to the top of the arc-shaped mounting plate 2541, and then the top of the gear seat is connected with the enclasping piece 254. In order to control the moving distance of the rack 2548, an inductive switch is arranged on the end face of the rack 2548, which is close to the pulley 2544, an end cover is arranged on the end face of the gear seat, which is far away from the pulley 2544, corresponding to the rack 2548, and an inductive switch is also arranged on the end cover, when any inductive switch is triggered during the moving adjustment of the rack 2548, the rack 2548 is indicated to move to the limit position, and at the moment, a control signal can be formed to the driving piece 2543 so as to stop the operation of the driving piece 2543.

The invention also provides a rescue method for overhauling the power transmission overhead circuit, as shown in fig. 16, comprising the following steps:

executing step S201, providing rescue equipment, and conveying the provided rescue equipment to a wire by using the method; step S202 is then performed;

step S202 is executed, wherein a walking obstacle surmounting mechanism on rescue equipment is used for clamping on a guide wire and walking along the guide wire; step S203 is then performed;

step S203 is executed, the rescue equipment is stopped when the rescue equipment walks to the rescue position; step S204 is then executed;

and step S204 is executed, the height of the rescue cage on the rescue equipment is adjusted, the rescue cage is opened, and the operators hung on the lead enter the rescue cage, so that high-altitude rescue is realized.

In one embodiment of the invention, the rescue equipment is transported to the ground by means of the method described above after the operator has entered the rescue cage.

By means of the conveying method for overhauling the power transmission overhead circuit, the rescue equipment 30 is conveyed to the lead, after the rescue task is completed, the rescue equipment 30 is conveyed to the ground, and only the rescue equipment 30 is required to be conveyed to the platform during operation.

In one embodiment of the invention, the obstacle surmounting mechanism is utilized to realize obstacle surmounting when the rescue apparatus walks along the wire to encounter an obstacle.

As shown in fig. 17 to 20, the rescue apparatus 30 includes a connecting seat 31 and a walking obstacle surmounting mechanism 32 supported on the connecting seat 31, the walking obstacle surmounting mechanism 32 includes three groups of clamping components 321, and the three groups of clamping components 321 are supported on the connecting seat 31; each group of clamping assemblies 321 comprises a bottom plate 3211, sliding frames 3212 which are movably and adjustably arranged on two opposite sides of the bottom plate 3211, travelling wheels 3213 which are movably and adjustably arranged on the corresponding sliding frames 3212, and a first motor 3214 which is arranged on one sliding frame 3212 and is in driving connection with the corresponding travelling wheel 3213; the two sliding frames 3212 are correspondingly arranged at two sides of the wire 10; the travelling wheels 3213 arranged on the two carriages 3212 can clamp the wire 10 oppositely up and down; the first motor 3214 can drive the corresponding travelling wheel 3213 to rotate, so that the clamping assembly 321 walks along the wire 10.

The pair of traveling wheels 3213 can be moved closer to the wire 10 by moving the pair of sliding blocks 3212, so that the corresponding traveling wheels 3213 are moved up and down to clamp the wire 10 relatively, or the corresponding traveling wheels 3213 are moved away from the wire 10 by moving the corresponding traveling wheels 3213, and then the two traveling wheels 3213 are moved away from each other by moving the pair of sliding blocks 3212, so that the traveling wheels 3213 are separated from the wire 10, and the obstacle on the wire 10 can be overcome. When one group of clamping assemblies 321 encounters an obstacle, the travelling wheels 3213 on the clamping assemblies are adjusted to leave the wire 10, so that the clamping is removed, and the travelling wheels 3213 on the other two groups of clamping assemblies 321 are still clamped on the wire 10, and at the moment, the clamping assemblies 321 for removing the clamping of the wire 10 can pass over the obstacle by continuing to travel along the wire 10 through the two groups of clamping assemblies 321 clamped on the wire 10.

Further, a bottom of the base plate 3211 is provided with a guide rail 3215 corresponding to the carriage 3212, and the carriage 3212 is slidably provided on the corresponding guide rail 3215; the bottom of the bottom plate 3211 is provided with a rotating plate 3216 which can be adjusted in a rotating way, the rotating plate 3216 is positioned between two sliding frames 3212, and two ends of the rotating plate 3216 are connected with the corresponding sliding frames 3212 through connecting rods 3217; the base plate 3211 is provided with a telescopic driving member 3218, the telescopic driving member 3218 is connected with a sliding frame 3212, and the corresponding sliding frame 3212 can be driven to move along the guide rail 3215 through telescopic adjustment. Preferably, the middle part of the rotating plate 3216 is rotatably connected to the bottom plate 3211, and when the telescopic driving piece 3218 is telescopic and adjusted to move along the corresponding guide rail 3212 with the corresponding sliding frame 3212, the connecting rod 3217 drives the rotating plate 3216 to rotate, and then the rotating plate 3216 drives the other sliding frame 3212 to move and adjust through the other connecting rod 3217, so that the telescopic driving piece 3218 is telescopic and drives the two sliding frames 3212 to move in opposite directions or move in opposite directions. The telescoping drive 3218 is preferably an electric cylinder, and in another preferred embodiment, the telescoping drive 3218 is an actuating cylinder.

The travelling wheels 3213 are connected to the corresponding sliding frame 3212 through first vertical adjusting members 3219, the first vertical adjusting members 3219 can be lifted and adjusted, so that the height of the travelling wheels 3213 is adjusted, the first vertical adjusting members 3219 are preferably electric cylinders, and in another preferred embodiment, the first vertical adjusting members 3219 are driving cylinders.

In one specific embodiment of the invention, a rescue cage of rescue equipment is hung and connected on a connecting seat through two lifting mechanisms; the height of the rescue cage is adjusted by controlling the operation of the lifting mechanism.

As shown in fig. 18 and 21, the lifting mechanism 33 is provided with two lifting mechanisms, which are positioned on two opposite sides of the connecting seat 31; the lifting mechanism 33 comprises a rotating shaft 331 rotatably arranged on the connecting seat 31, a hoisting rope 332 connected to the rotating shaft 331, a lifting frame 335 connected with the other end of the hoisting rope 332, and a second motor 334 arranged on the connecting seat 31 and in driving connection with the rotating shaft 331; the hoist rope 332 is partially wound around the rotation shaft 331; the connecting seat 31 is provided with a through hole 311 corresponding to the hoisting rope 332, and the lifting frame 335 is positioned below the connecting seat 31 and connected with the rescue cage 34; the second motor 334 can drive the rotating shaft 331 to rotate so as to retract and release the hoisting rope 332, and further realize lifting and adjusting the lifting frame 335. The lifting frame 335 is fixedly connected with the rescue cage 34.

In one specific embodiment of the invention, two sides of the rescue cage are provided with side fences which can be adjusted in a rotating way; during rescue, the side fence is rotated and opened to be horizontal, so that operators can enter the rescue cage through the side fence.

As shown in fig. 17, 18 and 22, the rescue cage 34 includes a platform plate 342, fixed bars 343 fixedly connected to opposite sides of the platform plate 342, and supporting bars 344 fixedly connected to corresponding sides of the two fixed bars 343; the supporting bar 344 is connected to the top of the fixed fence 343; the side bars 341 are provided with two side bars rotatably connected to corresponding side portions of the two fixed bars 343, the bottom of the side bars 341 is rotatably connected to the bottom of the fixed bars 343, and the side bars 341 are detachably connected to the supporting bars 344 through bolts. In this way, the side fences 341 provided on the two sides of the rescue cage 34 can be turned open, so that trapped personnel can conveniently enter the rescue cage 34.

A safety rope is hung on the fixed fence 343, and the other end of the safety rope can be hooked on the side fence 341.

As shown in fig. 17 and 18, the connection seat 31 has a box-shaped structure, and is internally used for placing the lifting mechanism 33 and the battery pack, and the battery pack can supply power with the corresponding motor, the telescopic driving piece and the first vertical adjusting piece.

The rescue method for overhauling the power transmission overhead circuit is used for rescuing trapped people hung on the overhead conductor, when the overhead rescue is carried out, the personnel involved in the rescue enter the rescue cage in advance, then the height of the rescue cage is adjusted according to the height required to rescue, then the personnel involved in the rescue pull out the bolt from the inside, the side fence is rotated outwards, the side fence is opened, and the trapped people can enter the rescue cage through the side fence. And then the side fence can be turned off, and the rescue equipment is transported to the ground by using a transportation method, so that the high-altitude rescue operation is completed.

The present invention has been described in detail with reference to the embodiments of the drawings, and those skilled in the art can make various modifications to the invention based on the above description. Accordingly, certain details of the illustrated embodiments are not to be taken as limiting the invention, which is defined by the appended claims.

Claims

1. The transportation method for overhauling the power transmission overhead circuit is characterized by comprising the following steps of:

clamping the wire clamp on the connecting rack on a wire;

2. A method of transporting overhead power transmission circuit maintenance according to claim 1, further comprising the step of transporting equipment on a conductor to the ground:

clamping the wire clamp at a position on the wire close to the equipment;

fixing the other end of the rope on the ground;

3. The transport method for overhauling the power transmission overhead circuit according to claim 1 or 2, wherein the connecting rack is provided with a connecting ball head which is arranged downwards; the unmanned aerial vehicle is provided with a clamping seat, wherein the clamping seat is provided with a clamping hole and a plurality of arc-shaped rods rotatably connected to the periphery of the clamping hole;

4. The transportation method for overhauling the power transmission overhead circuit according to claim 1, wherein an expansion plate is rotatably connected to the side part of the transportation platform, and an adjusting groove and a limiting block which can be movably adjusted and can extend out of the adjusting groove are arranged on the expansion plate;

5. The transport method for overhauling the power transmission overhead circuit according to claim 1, wherein the crawling mechanism comprises an upper crawling frame, a lower crawling frame, a lifting driving piece connected with the upper crawling frame and the lower crawling frame, a pair of clasping pieces movably adjusted and arranged on the upper crawling frame and the lower crawling frame, and pulleys and brake blocks arranged on the clasping pieces;

6. The rescue method for overhauling the power transmission overhead circuit is characterized by comprising the following steps of:

providing rescue equipment, and transporting the provided rescue equipment to a wire by using the method of claim 1;

7. Rescue method for the overhaul of an overhead power transmission circuit according to claim 6, characterized in that after the entry of the operator into the rescue cage, the rescue equipment is transported to the ground by means of the method according to claim 2.

8. The rescue method for overhauling an overhead power transmission circuit as defined in claim 6, wherein when the rescue equipment walks along the conductor to meet an obstacle, the obstacle crossing mechanism is utilized to realize obstacle crossing.

9. The rescue method for overhauling an overhead power transmission circuit according to claim 6, wherein a rescue cage of the rescue equipment is hung and connected on the connecting seat through two lifting mechanisms;

10. The rescue method for overhauling power transmission overhead circuits according to claim 6, wherein two sides of the rescue cage are provided with side fences which can be adjusted in a rotating way;