CN115579823A - Transmission line leads foldable short circuit control system of ground wire direct current ice-melt - Google Patents

Abstract

The invention relates to a direct-current deicing folding type short circuit control system for a ground wire and a lead wire of a power transmission line, which comprises a direct-current deicing vehicle, the lead wire, the ground wire, a first base iron tower and a second base iron tower, and is characterized in that: still control subsystem, static contact and control subsystem, drainage and control subsystem and center including the moving contact and control subsystem, the center control subsystem with the static contact is controlled the subsystem and is connected and provide the direct current ice-melt and control the signal, by the static contact control subsystem in proper order with the moving contact control subsystem the drainage control subsystem the ground wire the wire direct current ice-melt car electrical connection constitutes direct current ice-melt return circuit. The control system has the advantages of simplicity in control, high working efficiency, convenience in operation and maintenance, low cost, safety, reliability and good effect.

Description

Transmission line leads foldable short circuit control system of ground wire direct current ice-melt

Technical Field

The invention relates to the field of operation and maintenance of a power transmission line, in particular to a direct-current deicing folding type short-circuit control system for a ground wire of the power transmission line.

Background

The ice coating of the transmission line in winter seriously threatens the safe operation of the power system. Because ice load is added on the wire, certain mechanical damage is brought to the wire, the iron tower and hardware, and the wire can be broken and the pole can be reversed when ice is seriously coated, so that large-area power failure accidents are caused, and great loss is caused to national economy. In order to avoid the occurrence of the ice and snow disaster accident of the power transmission line, the ice melting of the power transmission line is needed to be carried out so as to enhance the capability of resisting the ice and snow disaster, and the direct-current ice melting device is an effective ice melting device which is widely applied in recent years. The direct current ice melting technology needs to connect the direct current generated by the direct current ice melting device into the power transmission line, and the conventional access scheme comprises the following steps: manual temporary bridging, trolley bridging, etc. The manual temporary bridging scheme has low working efficiency, long time consumption, high operation risk and non-standardization; the trolley bridging scheme has large investment, complex and inflexible operation and inconvenient operation and maintenance.

At present, most of direct current deicing technologies cannot melt ice on a lead and a ground wire simultaneously. Such as: application No.: CN202010255581.9, entitled "a ground dc ice melting device", discloses a dc ice melting device for ground, which only performs dc ice melting on the ground, and the isolating switch is too simple, and the gravity of ice and snow is used to realize automatic insulation and conduction between the ground and the tower body, and there are many uncertainties; another example is: application No.: CN202110596184.2, entitled "full-automatic dc ice melting short-circuit control device for conductor of 220kV transmission line", discloses a device for performing dc ice melting only on conductor, where a static contact mounting system is rotationally reset, a moving contact mounting system is moved up to complete closing, a set of rotating motor and two sets of stepping motors are required, and the implementation process is complex; the method comprises the following steps: application No.: CN202010342420.3, discloses an automatic short-circuit joint control device for direct current deicing of power transmission conductors, which only performs direct current deicing on conductors, and the whole set of device is not equipped with an insulating device, thus having poor safety and reliability.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide a direct current ice melting short-circuit control system which is simple to control, high in working efficiency, convenient to operate and maintain, low in cost, safe, reliable and good in effect.

The purpose of the invention is realized by the following technical scheme: the utility model provides a transmission line leads foldable short circuit control system of ground wire direct current ice-melt, it includes direct current ice-melt car 321, wire 7, ground wire 8, first base iron tower 5, second base iron tower 6, characterized by: still including the moving contact control subsystem 1, the static contact control subsystem 2, the drainage control subsystem 3 and the center control subsystem 4, the center control subsystem 4 with the static contact control subsystem 2 is connected and is provided the direct current ice-melt and control the signal, by the static contact control subsystem 2 in proper order with the moving contact control subsystem 1, the drainage control subsystem 3, ground wire 8 the wire 7 the direct current ice-melt car 321 electricity is connected and is constituted direct current ice-melt return circuit.

Further, subsystem 1 is controlled to the moving contact and is used for installing fixed plum blossom moving contact 120, installs first insulator chain 101 in cylinder static contact 201 and first base iron tower 5, 6 within ranges of second base iron tower, and second insulator chain 102 keeps the safe distance of insulating with first base iron tower 5, 6 of second base iron tower, includes: a first insulator string 101, a second insulator string 102, a first flange plate support rod 103, a second flange plate support rod 104, a flange plate support rod upper end connecting platform 105, a first U-shaped ring 106, a second U-shaped ring 107, a third U-shaped ring 108, a fourth U-shaped ring 109, a first ball head suspension ring 110, a second ball head suspension ring 111, a first socket head suspension plate 112, a second socket head suspension plate 113, a first T-shaped plate 114, a second T-shaped plate 115, a first platform connecting plate 116, a second platform connecting plate 117, a copper wiring board 118, a contact arm 119, a plum blossom shaped moving contact 120, a flange bolt 121, a T-shaped plate fixing bolt 122 and a copper plated material fixing bolt 123, wherein the first socket head suspension ring 110 is inserted into the first insulator string 101 upper end, the first ball head suspension ring 110 is connected with the third U-shaped ring 108, the first U-shaped ring 106 is connected with the first flange plate support rod 103, the first flange bolt 103 is fixedly connected with the flange plate support rod upper end connecting platform 105 through the bolt 121, the flange head suspension plate 110 is connected with the second socket head suspension plate 112, the first U-shaped ring 114, the flange head suspension plate support rod 101 is connected with the second socket head suspension plate 112 through the first U-shaped ring 111, the lower end connecting plate 112, the second socket head suspension plate 112, the flange head suspension plate 112 is connected with the first socket head suspension plate 112, the second T-shaped plate 115 is fixed on the second platform connecting plate 117 through a T-shaped plate fixing bolt 122, the copper wiring board 118 is connected with the first platform connecting plate 116 and the second platform connecting plate 117 through a copper-plated material fixing bolt 123, the contact arm 119 is fixed on the copper wiring board 118 in a welding mode, and the quincunx moving contact 120 is inserted into the upper end of the copper wiring board 118.

Further, the static contact control subsystem 2 is used for installing a fixed cylindrical static contact 201, installing a first pillar insulator string 203 and a second pillar insulator string 204 in the range of the cross arm connecting support plate 208 and the foldable isolating switch 202, and keeping the insulation safety distance between the fixed cylindrical static contact and the first base iron tower 5 and the second base iron tower 6, and comprises: the foldable isolating switch comprises a cylindrical fixed contact 201, a foldable isolating switch 202, a first pillar insulator string 203, a second pillar insulator string 204, a pillar insulator platform 205, a driving motor 206, a connecting bolt 207 and a cross arm connecting support plate 208, wherein the lower end of the foldable isolating switch 202 is connected with the cylindrical fixed contact 201, the first pillar insulator string 203 and the second pillar insulator string 204 are installed on the pillar insulator platform 205, the pillar insulator platform 205 is inserted into the foldable isolating switch 202 and is fixedly connected through the connecting bolt 207, the upper ends of the first pillar insulator string 203 and the second pillar insulator string 204 are connected with the cross arm connecting support plate 208, and the driving motor 206 is installed at the lower part of the foldable isolating switch 202.

Further, the folded isolation switch 202 includes a folded conductive portion upper portion 209, a folded conductive portion middle portion 210, and a folded conductive portion lower portion 211; the structure of the folded conductive portion upper portion 209 comprises: the contact device comprises a cylindrical fixed contact 201, a stainless steel sheath 212, a reset spring 213, an upper conductive tube 214, a first operating rod 215, a pressing spring 216, a connecting fork plate 217 and a roller 218, wherein in a closing state, the first operating rod 215 in the upper conductive tube 214 pushes the cylindrical fixed contact 201 to move towards the tulip-shaped movable contact 120, the pressing spring 216 enables the tulip-shaped movable contact 120 to be in contact with the cylindrical fixed contact 201 to form a loop, and ice melting current is conducted through a drainage wire clamp connected to the upper conductive tube 214 and is transmitted to a lead 7 and a ground wire 8; the folded conductive portion center section 210 has a structure comprising: a first gear 219, a first rack 220, a first gear box 221, a middle conductive tube 222, a second operating rod 223, a first balance spring 224, a first guide roller 225, a first rotating seat 226 and a first adjusting joint 227; the upper part 209 and the lower part 211 of the folding conductive part realize folding and straightening actions through a second rack 229, a second gear 228, a first rack 220 and a first gear 219, and when the upper conductive pipe 214 and the lower conductive pipe 231 are folded and folded in a brake-off state; when the device is in a closing state, the upper conductive tube 214 and the lower conductive tube 231 are opened and straightened into a vertical state, the cylindrical fixed contact 201 at the top end of the upper conductive tube 214 is embedded with the tulip-shaped movable contact 120 to form a conductive path, and the middle part 210 of the foldable conductive part and the lower part 211 of the foldable conductive part are connected 227 through a first adjusting joint to keep current conduction;

the structure of the folded conductive part lower part 211 includes: the device comprises a second gear 228, a second rack 229, a second gear box 230, a lower conductive tube 231, a third operating rod 232, a second balance spring 233, a second guide roller 234, a second rotating seat 235, a second adjusting joint 236, a four-bar linkage 237, a driving motor 206, a bevel gear 238, a wiring base 239, a first pillar insulator string 203 and a second pillar insulator string 204, wherein the lower conductive tube 231 is provided with the second balance spring 233; the wiring base 239 is hinged with a four-bar linkage 237, a bevel gear 238 is fixed on the wiring base 239, the lower end of the second adjusting coupling 232 is hinged with the four-bar linkage 237, the upper end of the second adjusting coupling 232 is hinged with the second guide roller 234, the upper end of the second guide roller 234 is hinged with the third operating rod 232, and the second balance spring 233 is sleeved on the rod body of the third operating rod 232. The upper end of a third operating rod 232 is fixedly connected with a second rack 229, the second rack 229 and a second gear 228 are placed in a second gear box 230, one end of a first adjusting joint 227 is fixedly connected with the second gear 228, the other end of the first adjusting joint is hinged with a first guide roller 225, the upper end of the first guide roller 225 is hinged with the second operating rod 223, a first balance spring 224 is sleeved on the rod body of the second operating rod 223, the first rack 220 and the first gear 219 are placed in a first gear box 221, one end of a connecting fork plate 217 is fixedly connected with the first gear 219, the other end of the connecting fork plate 217 is fixedly connected with an upper conductive tube 214, a hole with the same width as that of the first operating rod 215 is reserved on the connecting fork plate 217, the tail of the first operating rod 215 is inserted into the connecting fork plate 217 and hinged with the roller 218, a return spring 213 is sleeved on the front end of the first operating rod 215, a compression spring 216 is sleeved on the rear end of the first operating rod 215, a stainless steel sheath 212 is sleeved on the front end of the upper conductive tube 214, a cylindrical static contact 201 is fixedly connected with the front end of the first operating rod 215, and a first rotating seat 226 and a second rotating seat 235 are respectively installed on the rear end of a middle conductive tube 222 and a lower end 231; the driving motor 206 drives the bevel gear 238 to drive the planar four-bar linkage 237 to move, so that the lower conductive tube 231 in the second rotating seat 235 rotates clockwise to be straightened and rotates anticlockwise to be folded; because the second adjustment link 236 and the lower conductive tube 231 have different hinge points, the second guide roller 234 hinged to the upper end of the second adjustment link 236 drives the third operating rod 232 to move axially relative to the lower conductive tube 231, and the upper end of the third operating rod 232 is fixedly connected to the second rack 229, so that the second rack 229 moves to push the second gear 228 to rotate, and the first adjustment link 227 fixedly connected to the second gear 228 drives the middle conductive tube 222 to perform straightening or folding movement relative to the lower conductive tube 231; the first guide roller 225 hinged to the upper end of the first adjusting link 227 drives the second operating rod 223 to axially displace relative to the middle conducting tube 222, while the upper end of the second operating rod 223 is fixedly connected to the first rack 220, and the movement of the first rack 220 pushes the first gear 219 to rotate, so that the connection fork 217 fixedly connected to the first gear 219 drives the upper conducting tube 214 to perform straightening or folding movement relative to the middle conducting tube 222; the first operating rod 215 slightly moves in the reserved hole under the action of the gravity of the roller 218, and the pressing spring 216 and the return spring 213 stretch or contract under the action of the gravity to complete opening and closing; in addition, when the second operating rod 223 and the third operating rod 232 axially displace, the first balance spring 224 and the second balance spring 233 store energy or release energy according to a predetermined requirement, and balance the moment of gravity of the cylindrical static contact 201 to the maximum extent, so as to facilitate the movement of the cylindrical static contact 201, the foldable isolating switch 202 drives the upper conductive tube 214, the middle conductive tube 222 and the lower conductive tube 231 to complete the folding and straightening actions through the first operating rod 215, the second operating rod 223 and the third operating rod 232, and the quincunx moving contact 120 and the cylindrical static contact 201 complete the opening and closing.

Further, the drainage control subsystem 3 is configured to guide the ice melting current delivered by the dc ice melting vehicle 321 to the wire 7 and the ground wire 8 to be melted, and includes: the first drainage wire clamp 301, the first copper braided wire 302, the first drainage wire binding clip 303, the first drainage aluminum busbar 304, the first drainage wire 305, the first confluence wire clamp 306, the second confluence wire clamp 307, the second drainage wire 308, the second drainage wire binding clip 309, the second drainage wire clamp 310, the second copper braided wire 311, the second drainage aluminum busbar 312, the third drainage wire binding clip 313, the third drainage wire 314, the third confluence wire clamp 315, the fourth confluence wire clamp 316, the fourth drainage wire 317, the fourth drainage wire binding clip 318, the third drainage aluminum busbar 319 and the composite post insulator 320, wherein one end of the first drainage aluminum busbar 304 on the first base iron tower 5 is connected with the direct current ice melting vehicle 321, the other end is connected with the first copper braided wire 302, the first copper braided wire 302 is connected with the first drainage wire clamp 301, the first drainage wire clamp 301 is clamped on the isolating switch 202 of the first base iron tower 5, the first drainage wire clamp 303 is fixed at the upper end of a first base iron tower 5 copper wiring board 118, a first drainage wire 305 is connected with the first base iron tower 5 copper wiring board 118 after being crimped with the first drainage wire clamp 303, a first confluence wire clamp 306 is arranged on a lead 7, the first drainage wire 305 is connected with the first confluence wire clamp 306, a second confluence wire clamp 307 is arranged on the lead 7 on a second base iron tower 6, a second drainage wire 308 is connected with the second confluence wire clamp 307, the second drainage wire 308 is connected with the second base iron tower 6 copper wiring board 118 after being crimped with the second drainage wire clamp 309, the second drainage wire clamp 310 is clamped on a folding isolating switch 202 of the second base iron tower 6, one end of a second copper braided wire 311 is connected with the second drainage wire clamp 310, the other end of the second copper braided wire is connected with a second drainage aluminum busbar 312, a third drainage wire 314 is connected with a second drainage aluminum busbar 312 after being crimped with a third drainage wire clamp 313, the third current-combining clamp 315 is arranged on the ground wire 8, the third current-leading wire 314 is connected with the third current-combining clamp 315, the third current-leading wire 314 is connected with the second current-leading aluminum busbar 312 after being connected with the third current-leading wire connector clamp 313 in a compression joint mode, a fourth current-leading wire 316 on the first base iron tower 5 is arranged on the ground wire 8, a fourth current-leading wire 317 is connected with the fourth current-leading wire connector clamp 316, the fourth current-leading wire 317 is connected with the third current-leading aluminum busbar 319 after being connected with the fourth current-leading wire connector clamp 318 in a compression joint mode, the third current-leading aluminum busbar 319 is connected with the direct-current ice melting vehicle 321, the composite post insulator 320 is arranged on the first base iron tower 5 and the second base iron tower 6 at intervals, and the first current-leading aluminum busbar 304, the second current-leading aluminum busbar 312 and the third current-leading aluminum busbar 319 are arranged at the lower end of the composite post 320.

Further, the central manipulation subsystem 4 includes: the speed sensor 401, the main singlechip 402, the signal transmitter 403, the storage battery 404, the solar photovoltaic charging panel 405, the storage battery power switch 406, the control box 407, the ground remote controller 408 and the angle sensor 409 are installed in the control box 407, the main singlechip 402 acquires information of the speed sensor 401 and the angle sensor 409, the information is connected with the ground remote controller 408 through the signal transmitter 403, the speed sensor 401 adjusts the operation speed of the static contact control subsystem 2, the angle sensor 409 adjusts the operation angle of the static contact control subsystem 2, the storage battery 404 provides a 12V operating power supply, the solar photovoltaic charging panel 405 and the storage battery power switch 406 are installed on the storage battery 404, and the ground remote controller 408 transmits a device motion signal through the signal transmitter 403 in the control box 407, so that the static contact control subsystem 2 is controlled to operate.

The working process of the invention is as follows:

the static contact control subsystem 2 and the moving contact control subsystem 1 are fixed on the lower sides of a cross arm of a first base iron tower 5 and a cross arm of a second base iron tower 6, and the driving motor 206 is controlled through the ground remote controller 408 to enable the static contact control subsystem 2 to extend and move towards the moving contact control subsystem 1, so that the cylindrical static contact 201 and the quincuncial moving contact 120 are contacted with each other to form a switch-on state. The ice melting current starts from a direct current ice melting vehicle 321 on the ground 9, is transmitted to the conducting wire 7 through a first drainage aluminum busbar 304, a first copper braided wire 302, a folding isolating switch 202 and a first drainage wire 305 of a first base iron tower 5, is transmitted to a second base iron tower 6 through the conducting wire 7, and is transmitted to the ground wire 8 through a second drainage wire 308, the folding isolating switch 202, a second copper braided wire 311, a second drainage aluminum busbar 312 and a third drainage wire 314. The ice melting current flows back to the first base iron tower 5 through the ground wire 8, and the ice melting current returns to the direct current ice melting vehicle 321 through the fourth drainage wire 317 and the third drainage aluminum busbar 319, so that direct current ice melting operation is performed after a loop is formed. After the ice melting is finished, the ice melting current is stopped being input, the driving motor 206 enables the static contact control subsystem 2 to be folded and contracted, and the cylindrical static contact 201 is separated from the plum blossom moving contact 120.

The invention relates to a transmission line ground wire folding type direct current ice melting short circuit control system which combines the technologies of current collection automation, mechanical and electrical integration, single chip microcomputer control, circuits and the like, and has the advantages compared with the existing direct current ice melting short circuit control system that:

1. the foldable direct-current ice melting short-circuit control system for the ground wire of the power transmission line melts ice on the wire and the ground wire at the same time innovatively, and has the intensive characteristic;

2. the transmission line ground wire folding type direct current ice melting short circuit control system can perform accurate ice melting on a plurality of iron towers;

3. the transmission line ground wire folding type direct current ice melting short circuit control system has a high electromechanical integration technology, performs remote control, is rapid in action and is convenient to control;

4. the foldable direct-current ice melting short-circuit control system for the ground wire of the power transmission line is positioned on the lower side of the cross arm, and has no influence on the operation of the existing equipment of the pole tower;

5. the short-circuit isolating switch of the power transmission line ground wire folding type direct-current ice melting short-circuit control system is folding, so that the control is convenient, the space is saved, and the working efficiency is improved;

6. the central control subsystem has the characteristic of high precision, and the running accuracy of the system is improved;

7. the foldable direct-current ice melting short-circuit control system for the ground wire of the power transmission line adopts a direct-current ice melting vehicle as an ice melting power supply, has strong mobility and is convenient to deal with emergency situations;

8. compared with manual ice melting, the ice melting time is faster, the labor is saved, and the ice melting efficiency is improved.

Drawings

FIG. 1 is a schematic diagram of a power transmission line ground wire direct current ice melting folding type short circuit control system;

fig. 2 is a front view of a combination of the moving contact control subsystem 1 and the static contact control subsystem 2;

fig. 3 is a combined side view of the moving contact control subsystem 1 and the static contact control subsystem 2;

fig. 4 is a structural diagram of a folding type isolating switch 202 of the static contact control subsystem 2;

fig. 5 is a schematic view of a connection portion of a folding type isolating switch 202 of the static contact control subsystem 2 of fig. 4;

fig. 6 is a schematic view of a folded conductive portion of the folded isolating switch 202 of the static contact control subsystem 2 of fig. 4;

fig. 7 is a schematic diagram of a four-bar structure of a folding type isolating switch 202 of the static contact control subsystem 2 in fig. 4;

FIG. 8 is a schematic diagram of the central steering subsystem 4;

FIG. 9 is a diagram of an ice-melting working state of a direct-current ice-melting folding type short-circuit control system for a ground wire and a conducting wire of a power transmission line;

FIG. 10 is a ground layout diagram of a power transmission line ground wire DC ice-melting folding type short-circuit control system;

in the drawings, 1 a moving contact control subsystem, 2 a static contact control subsystem, 3 a drainage control subsystem, 4 a central control subsystem, 5 a first base iron tower, 6a second base iron tower, 7 wires, 8 ground wires, 9 ground, 101 a first insulator string, 102 a second insulator string, 103 a first flange support rod, 104 a second flange support rod, 105 a flange support rod upper end connecting platform, 106 a first U-shaped ring, 107 a second U-shaped ring, 108 a third U-shaped ring, 109 a fourth U-shaped ring, 110 a first ball-head hanging ring, 111 a second ball-head hanging ring, 112 a first socket-head hanging plate, 113 a second socket-head hanging plate, 114 a first T-shaped plate, 115 a second T-shaped plate, 116 a first lower platform connecting plate, 117 a second lower platform connecting plate, 118 a copper wiring plate, 119 a touch arm, 120 a quincunx fixed contact, 121 a flange bolt, 122T-shaped plate fixing bolts, 123 material fixing bolts, a cylindrical copper-plated isolating switch 201, 202, 203 a first post insulator string, 204 a second post insulator string, 205 a post insulator platform, 206 a driving motor, 207 a connecting bolt, 208 a cross arm connecting support plate, 209 an upper part of a folding conducting part, 210 a middle part of the folding conducting part, 211 a lower part of the folding conducting part, 212 a stainless steel sheath, 213 a return spring, 214 an upper conducting tube, 215 a first operating rod, 216 a hold-down spring, 217 a fork plate, 218 a roller, 219 a first gear, 220 a first rack, 221 a first gear box, 223 a conducting tube 222 in the conducting tube, a second operating rod, 224 a first balance spring, 225 a first guide roller, 226 a first rotating seat, 227 a first adjusting joint, 228 a second gear, 229 a second rack, 230 a second gear box, 231 a lower conducting tube, 232 a third operating rod, 233 a second balance spring, 234 a second guide roller, 235 a second rotating seat, 236 a second adjusting joint, 237 four-bar linkage, 238 bevel gear, 239 wiring base, 301 first drainage wire clamp, 302 first copper braided wire, 303 first drainage wire binding clip, 304 first drainage aluminum busbar, 305 first drainage wire, 306 first confluence wire clamp, 307 second confluence wire clamp, 308 second drainage wire, 309 second drainage wire binding clip, 310 second drainage wire clamp, 311 second copper braided wire, 312 second drainage aluminum busbar, 313 third drainage wire binding clip, 314 third drainage wire, 315 third confluence wire clamp, 316 fourth confluence wire clamp, 317 fourth drainage wire, 318 fourth drainage wire binding clip, 319 third drainage aluminum busbar, 320 composite post insulator, 321 direct current ice melting vehicle, 401 speed sensor, 402 main unit, 403 signal transmitter, 404 storage battery, 405 solar photovoltaic charging panel, 406 storage battery power switch, 407 control box, 408 ground remote controller, 409 angle sensor.

Detailed Description

The invention is described in more detail below with reference to the figures and the specific examples.

Referring to fig. 1, the direct current deicing folding type short circuit control system for the ground wire and the conducting wire of the power transmission line comprises a direct current deicing vehicle 321, a conducting wire 7, a ground wire 8, a first base iron tower 5, a second base iron tower 6, a moving contact control subsystem 1, a static contact control subsystem 2, a drainage control subsystem 3 and a center control subsystem 4. Moving contact control subsystem 1, static contact control subsystem 2, the drainage is controlled subsystem 3 and is installed on first base iron tower 5, second base iron tower 6. The central control subsystem 4 is mounted on the cross-arm joint support plate 208 and the ground remote control 408 of the central control subsystem 4 is held by ground personnel. The center control subsystem 4 is connected with the static contact control subsystem 2 to provide a direct-current ice melting control signal, and the static contact control subsystem 2 is electrically connected with the moving contact control subsystem 1, the drainage control subsystem 3, the ground wire 8, the lead wire 7 and the direct-current ice melting vehicle 321 in sequence to form a direct-current ice melting loop.

Referring to fig. 1, 2 and 3, the moving contact control subsystem 1 is used for installing and fixing a tulip moving contact 120, a first insulator string 101 is installed in a range between a cylindrical fixed contact 201 and a first base iron tower 5 and a second base iron tower 6, and a second insulator string 102 keeps an insulation safety distance from the first base iron tower 5 and the second base iron tower 6, and includes: the socket comprises a first insulator string 101, a second insulator string 102, a first flange plate supporting rod 103 and a second flange plate supporting rod 104, wherein the upper end of the flange plate supporting rod is connected with a platform 105, a first U-shaped ring 106, a second U-shaped ring 107, a third U-shaped ring 108, a fourth U-shaped ring 109, a first ball head hanging ring 110, a second ball head hanging ring 111, a first socket hanging plate 112, a second socket hanging plate 113, a first T-shaped plate 114, a second T-shaped plate 115, a first platform connecting plate 116, a second platform connecting plate 117, a copper wiring board 118, a contact arm 119, a plum blossom shaped moving contact 120, a flange bolt 121, a T-shaped plate fixing bolt 122 and a copper plated material fixing bolt 123, the first ball head hanging ring 110 is inserted into the upper end of the first insulator string 101, the first ball head hanging ring 110 is connected with the third U-shaped plate 108, the first U-shaped ring 106 is connected with the third U-shaped ring 108, the first U-shaped ring 106 is connected with the first flange bolt 103, the first flange bolt 121 is connected with the first flange plate 103, the lower surface of the first flange plate supporting rod 103 is fixedly connected with the lower surface of the flange plate supporting rod 103 through the flange plate 105 through the flange plate 111 through the bolt of the upper end of the flange plate 105, the first socket hanging plate 111 is connected with the platform 114, the second socket hanging plate 112, the socket hanging plate 114, the socket head hanging plate 112 is connected with the second socket hanging plate 112, the lower end of the socket head hanging plate 114, the socket head hanging plate 112 of the socket hanging plate 111, the socket head hanging plate 112 of the socket head hanging plate 112, the socket head hanging plate 112 is connected with the first socket head hanging plate 114, the socket head hanging plate 112 of the socket head hanging plate 112, the second T-shaped plate 115 is fixed on the second platform connecting plate 117 through a T-shaped plate fixing bolt 122, the copper wiring board 118 is connected with the first platform connecting plate 116 and the second platform connecting plate 117 through a copper-plated material fixing bolt 123, the contact arm 119 is fixed on the copper wiring board 118 in a welding mode, and the plum blossom-shaped moving contact 120 is inserted into the upper end of the copper wiring board 118. The plum blossom moving contact 120 in the moving contact control subsystem 1 and the cylindrical static contact 201 in the static contact control subsystem 2 complete closing. At the moment, the ice melting current is transmitted to the first drainage wire clamp 301 from the first drainage aluminum busbar 304 connected with the direct-current ice melting vehicle 321 through the first copper braided wire 302, and the ice melting current is transmitted to the folding type isolating switch 202 through the first drainage wire clamp 301. The tulip shaped moving contact 120 is connected with the cylindrical fixed contact 201, so that the tulip shaped moving contact 120 is electrified. The first drainage wire binding clip 303 is mounted on the copper wiring board 118, the ice melting current is transmitted to the first drainage wire binding clip 303 through the copper wiring board 118 and then reaches the wire 7, the ice melting current is transmitted to the second base iron tower 6 through the wire 7 and then is transmitted to the second drainage wire binding clip 309 through the second drainage wire 308, the second drainage wire binding clip 309 is mounted on the copper wiring board 118 of the second base iron tower 6, and the plum blossom-shaped moving contact 120 is connected with the cylindrical fixed contact 201, so that the cylindrical fixed contact 201 is electrified. The ice melting current is transmitted to the second drainage wire clamp 310 through the folding isolating switch 202 of the second base iron tower 6, one end of the second copper braided wire 311 is connected with the second drainage wire clamp 310, and the other end is connected with the second drainage aluminum busbar 312. The third drainage wire 314 is connected with the second drainage aluminum busbar 312 through a third drainage wire jointing clamp 313, and the ice melting current is transmitted to the ground wire 8 through the third drainage wire 314. The ice melting current travels back to the first base tower 5 via the ground line 8 and then to the fourth drainage line 317 via the fourth confluence clamp 316. The fourth drainage wire jointing clamp 318 is installed on the third drainage aluminum busbar 319, and the third drainage aluminum busbar 319 transmits the ice melting current to the direct current ice melting vehicle 321 to form a loop for performing ice melting operation on the ground wire. After the ice melting of the ground wire is completed, the ice melting current is stopped to be transmitted, the driving motor 206 of the static contact control subsystem 2 is controlled through the ground remote controller 408 in the central control subsystem 4, and the static contact control subsystem 2 is contracted to the initial position.

Referring to fig. 1 to 6, the upper end of the static contact mounting system 2 is a cross arm connecting support plate 208, the control box 407 of the central control system 4 is fixedly mounted on the upper end of the cross arm connecting support plate 208, the lower end of the cross arm connecting support plate 208 is provided with a driving motor 206, and the driving motor 206 is inserted into the folding disconnector 202. The lower end of the static contact control subsystem 2 is a cylindrical static contact 201, the cylindrical static contact 201 is fixed inside a folding type isolating switch 202, a pillar insulator platform 205 is installed at the upper end of the folding type isolating switch 202, and a first pillar insulator string 203 and a second pillar insulator string 204 are installed at the upper end of the pillar insulator platform 205. Drive motor 206 drives foldable isolator 202, and the cylindrical static contact 201 in the static contact control subsystem 2 moves to the plum blossom moving contact 120 in the moving contact control subsystem 1 to make the plum blossom moving contact 120 in the moving contact control subsystem 1 contact with the cylindrical static contact 201 in the static contact control subsystem 2. The folded isolator switch 202 includes a folded conductive portion upper portion 209, a folded conductive portion middle portion 210, and a folded conductive portion lower portion 211. When the upper part 209 of the folding conductive part is switched on, the plum blossom moving contact 120 is contacted with the cylindrical fixed contact 201 to form a loop, and ice melting current is conducted through a drainage wire clamp connected to the upper conductive tube 214, so that the ice melting current is transmitted to the lead 7 and the ground wire 8; the folding conductive part middle part 210, the folding conductive part upper part 209 and the folding conductive part lower part 211 realize folding and straightening actions through a first gear 219, a second gear 228, a first rack 220 and a second rack 229; the lower part 211 of the folding conductive part mainly comprises a second rotating seat 235 and a lower conductive tube 231, a second balance spring 233 is arranged in the lower conductive tube 231, the gravity moment of the folding isolating switch 202 is balanced, the operation is stable and powerful, and when the folding isolating switch 202 is opened, the second balance spring 233 absorbs the motion potential of the folding isolating switch 202, so that the operation is stable; when the folding type isolating switch 202 is switched on, the second balance spring 233 releases the absorbed potential energy to push the folding type isolating switch 202 to move upwards, so that the operating force is reduced, and the operation is facilitated. The front end of the upper part 209 of the folding conductive part is a cylindrical fixed contact 201, and when the switch is closed, the cylindrical fixed contact 201 is pushed by a first operating rod 215 in the upper conductive tube 214 to move towards the tulip moving contact 120, and the pressing spring 216 is used for generating sufficient contact pressure on the tulip moving contact 120. The structure includes: the device comprises a cylindrical fixed contact 201, a stainless steel sheath 212, a return spring 213, an upper conductive pipe 214, a first operating rod 215, a compression spring 216, a connecting fork plate 217 and a roller 218. The folded conductive part middle part 210 is folded and straightened by the folded conductive part upper part 209, the folded conductive part lower part 211 through the second rack 229, the second gear 228, the first rack 220 and the first gear 219. When the folding type isolating switch 202 is in an open state, the upper conductive tube 214 and the lower conductive tube 231 are folded and folded to form a clearly visible isolating fracture with the quincunx moving contact 120 right above the upper conductive tube; when the switch is closed, the upper conductive tube 214 and the lower conductive tube 231 are opened and straightened to be in a vertical state, and the cylindrical fixed contact 201 at the top end of the upper conductive tube 214 is embedded with the quincuncial movable contact 120 to form a conductive path. The folded conductive section middle section 210 and the folded conductive section lower section 211 are held in current conduction by a first tuning joint 227. The structure includes: a first gear 219, a first rack 220, a first gear box 221, a middle conductive tube 222, a second operating rod 223, a first balance spring 224, a first guide roller 225, a first rotating seat 226, and a first adjusting link 227. The lower conductive tube 231 in the lower part 211 of the foldable conductive part is provided with a second balance spring 233 to balance the gravity moment of the lower conductive tube 231, so that the operation is stable and powerful. When the folding type isolating switch 202 is opened, the second balance spring 233 absorbs the motion potential of the lower conductive tube 231 to make the operation smooth; when the folding type disconnecting switch 202 is switched on, the second balance spring 233 releases the absorbed potential energy, and pushes the lower conductive tube 231 to move upwards, so that the operating force is reduced. The structure includes: the second gear 228, the second rack 229, the second gear box 230, the lower conducting tube 231, the third operating rod 232, the second balance spring 233, the second guide roller 234, the second rotating seat 235, the second adjusting joint 236, the four connecting rods 237, the driving motor 206, the bevel gear 238, the wiring base 239, the first pillar insulator string 203 and the second pillar insulator string 204. The wiring base 239 is hinged with the four-bar linkage 237, the bevel gear 238 is fixed on the wiring base 239, one end of the bevel gear is driven by the driving motor, and the other end drives the four-bar linkage 237 to move through mechanical movement. The lower end of the second adjusting link 232 is hinged with a four-bar linkage 237, the upper end is hinged with a second guide roller 234, and the upper end of the second guide roller 234 is hinged with a third operating rod 232. The second balance spring 233 is fitted around the third lever 232 shaft. The upper end of the third operating lever 232 is fixedly connected to the second rack 229. The second rack 229 and the second gear 228 are placed in the second gear box 230. The first adjusting link 227 has one end fixedly connected to the second gear 228, the other end hinged to the first guide roller 225, and the upper end of the first guide roller 225 hinged to the second operating rod 223. The first balance spring 224 is fitted around the second lever 223 shaft. The first rack 220 and the first gear 219 are disposed in the first gear box 221, and one end of the connection fork 217 is fixedly connected to the first gear 219 and the other end is fixedly connected to the upper conductive tube 214. The connection fork plate 217 is reserved with a hole with the same width as the first operating rod 215, and the tail part of the first operating rod 215 is inserted into the connection fork plate 217 and hinged with the roller 218, so that the roller 218 can move in a controllable range. The first operating lever 215 is fitted with a return spring 213 at its front end and a hold-down spring 216 at its rear end. A stainless steel sheath 212 is fitted over the front end of the upper conductive tube 214. The cylindrical static contact 201 is fixedly connected with the front end of the first operating rod 215. The first rotating base 226 and the second rotating base 235 are respectively installed at the rear end of the middle conductive tube 222 and the rear end of the lower conductive tube 231. The bevel gear 238 is driven by the driving motor 206 to drive the four-bar linkage 237 to move, so that the lower conductive tube 231 in the second rotating seat 235 rotates clockwise to be straightened and rotates anticlockwise to be folded; because the second adjustment link 236 and the lower conductive tube 231 have different hinge points, the second guide roller 234 hinged to the upper end of the second adjustment link 236 drives the third operating rod 232 to move axially relative to the lower conductive tube 231, and the upper end of the third operating rod 232 is fixedly connected to the second rack 229, so that the second rack 229 moves to push the second gear 228 to rotate, and the first adjustment link 227 fixedly connected to the second gear 228 drives the middle conductive tube 222 to perform straightening or folding movement relative to the lower conductive tube 231; the first guide roller 225 hinged to the upper end of the first adjusting link 227 drives the second operating rod 223 to axially displace relative to the middle conducting tube 222, while the upper end of the second operating rod 223 is fixedly connected to the first rack 220, and the movement of the first rack 220 pushes the first gear 219 to rotate, so that the connection fork 217 fixedly connected to the first gear 219 drives the upper conducting tube 214 to perform straightening or folding movement relative to the middle conducting tube 222; the first operating rod 215 slightly moves in the reserved hole under the action of the gravity of the roller 218, and the pressing spring 216 and the return spring 213 stretch or contract under the action of the gravity to complete opening and closing. In addition, when the second operating rod 223 and the third operating rod 232 axially displace, the first balance spring 224 and the second balance spring 233 store energy or release energy according to a predetermined requirement, and the gravity moment of the cylindrical static contact 201 is balanced to the maximum extent, so as to facilitate the movement of the cylindrical static contact 201. The folding isolating switch 202 drives the upper conductive tube 214, the middle conductive tube 222 and the lower conductive tube 231 to complete folding and straightening actions through the first operating rod 215, the second operating rod 223 and the third operating rod 232, and the quincuncial moving contact 120 and the cylindrical fixed contact 201 complete opening and closing.

Referring to fig. 8, the central control subsystem 4 is configured to control the static contact control subsystem 2, and the movable contact control subsystem 1 and the static contact control subsystem 2 form a loop to transmit the ice melting current to the ground line 8 through the current guiding control subsystem 3. The control box 407 includes therein a speed sensor 401, an angle sensor 409, a main chip unit 402, a signal transmitter 403, a storage battery 404, a solar photovoltaic charging panel 405, and a storage battery power switch 406. The main singlechip 402 is installed inside the control box 407, acquires information of the speed sensor 401 and the angle sensor 409, and the information is connected with the ground remote controller 408 through the signal transmitter 403. The speed sensor 401 is used to adjust the speed at which the system operates. The angle sensor 409 adjusts the angle at which the static contact control subsystem 2 operates. The storage battery 404 is positioned in the control box 407 and provides working power supply for running 12V, and a solar photovoltaic charging panel 405 and a storage battery power switch 406 are arranged at the upper end of the storage battery 404. When the device operates, the driving motor 206 in the static contact control subsystem 2 is driven to move by controlling the ground remote controller 408, so that the cylindrical static contact 201 is driven to move to the plum blossom-shaped moving contact 120 in the moving contact control subsystem 1 by stretching, and the cylindrical static contact 201 is contacted with the plum blossom-shaped moving contact 120 to form a loop.

Referring to fig. 9 and 10, the drainage control subsystem 3 is configured to guide the ice melting current delivered by the dc ice melting vehicle 321 to the conductor 7 and the ground line 8 to be melted, and includes: the first drainage wire clamp 301, the first copper braided wire 302, the first drainage wire binding clip 303, the first drainage aluminum busbar 304, the first drainage wire 305, the first confluence wire clamp 306, the second confluence wire clamp 307, the second drainage wire 308, the second drainage wire binding clip 309, the second drainage wire clamp 310, the second copper braided wire 311, the second drainage aluminum busbar 312, the third drainage wire binding clip 313, the third drainage wire 314, the third confluence wire clamp 315, the fourth confluence wire clamp 316, the fourth drainage wire 317, the fourth drainage wire binding clip 318, the third drainage aluminum busbar 319 and the composite post insulator 320, wherein one end of the first drainage aluminum busbar 304 on the first base iron tower 5 is connected with the direct current ice melting vehicle 321, the other end is connected with the first copper braided wire 302, the first copper braided wire 302 is connected with the first drainage wire clamp 301, the first drainage wire clamp 301 is clamped on the isolating switch 202 of the first base iron tower 5, the first drainage wire binding clip 303 is fixed at the upper end of a copper wiring board 118 of a first base iron tower 5, a first drainage wire 305 is connected with the copper wiring board 118 of the first base iron tower 5 after being pressed with the first drainage wire binding clip 303, a first confluence wire clip 306 is arranged on a lead 7, the first drainage wire 305 is connected with the first confluence wire clip 306, a second confluence wire clip 307 on a second base iron tower 6 is arranged on the lead 7, a second drainage wire 308 is connected with the second confluence wire clip 307, the second drainage wire 308 is connected with the copper wiring board 118 of the second base iron tower 6 after being pressed with a second drainage wire binding clip 309, the second drainage wire clip 310 is clamped on a folding isolating switch 202 of the second base iron tower 6, one end of a second copper braided wire 311 is connected with the second drainage wire clip 310, the other end is connected with a second drainage aluminum bus bar 312, a third drainage wire 314 is connected with the second drainage aluminum bus bar 312 after being pressed with a third drainage wire binding clip 313, the third flow-combining clamp 315 is arranged on the ground wire 8, the third drainage wire 314 is connected with the third flow-combining clamp 315, the third drainage wire 314 is connected with the second flow-guiding aluminum busbar 312 after being in compression joint with the third drainage wire clamp 313, a fourth drainage wire 316 on the first base iron tower 5 is arranged on the ground wire 8, a fourth drainage wire 317 is connected with the fourth drainage wire 316, the fourth drainage wire 317 is connected with the third flow-guiding aluminum busbar 319 after being in compression joint with the fourth drainage wire clamp 318, the third flow-guiding aluminum busbar 319 is connected with the direct-current ice-melting busbar 321, the composite support insulator 320 is arranged on the first base iron tower 5 and the second base iron tower 6 at intervals, and the first flow-guiding aluminum busbar 304, the second flow-guiding aluminum busbar 312 and the third flow-guiding aluminum busbar 319 are arranged at the lower end of the composite support insulator 320. The ice melting current is provided by the direct current ice melting vehicle 321, and the current flows out through the first drainage aluminum busbar 304 and finally flows in through the third drainage aluminum busbar 319 to form a loop.

The mechanical parts and electrical and electronic components used in the embodiments are commercially available products, and are easy to implement.

First insulator string, second insulator string: FXBW4-220/160 composite insulator string;

first bulb link, second bulb link: QP-12G bulb suspension loop;

first socket link plate, second socket link plate: WS-12G socket clevis;

the first T-shaped plate and the second T-shaped plate: steel, wherein the size of an upper end plate is 120mm × 100mm × 16mm, and the size of a lower end plate is 100mm × 200mm × 10mm;

platform connecting plate under first platform connecting plate, the second: steel, 900mm 400mm 10mm in size;

copper wiring board: 400mm by 300mm by 10mm pure copper plate;

plum blossom contact: GC5-3150A (64 pieces) red copper silver-plated plum blossom contact;

cylindrical static contact: PT driver 3150A silver-plated fixed contact of red copper;

first pillar insulator string, second pillar insulator string: FZSW4-35/6 composite post insulator string;

post insulator platform: the steel is made, the plate size is 300mm x 600mm x 10mm, and a hollow round rod with the outer diameter of 40 mm, the inner diameter of 30mm and the length of 800mm is welded at the lower end of the steel plate;

driving a motor: 42 hollow shaft stepper motor QS422;

copper braided wire: a copper braided wire with a cross-sectional area of 120mm × 10mm;

drainage aluminum bus bar: the cross section area is 120mm 10mm aluminium mother row;

composite post insulator: FZSW4-35/6 composite post insulator;

a speed sensor: a CSI speed sensor;

an angle sensor: TLE5012B E1000 angle sensor;

a main single chip machine: YIBIEIIC single chip microcomputer;

a signal transmitter: a G2000 signal transmitter;

storage battery: 24V 800MAH battery;

solar photovoltaic charging panel: a single crystal 100W solar 12V photovoltaic panel;

a control box: the aluminum alloy is made into a square shell with the size of 400mm 200mm 100mm;

contact arm: VS1-3150A red copper silver plating contact arm;

stainless steel sheath: customizing;

the return spring is a compression spring;

an upper conductive tube: TU1 tube, 700mm long, 80mm external diameter and 70mm internal diameter;

a first operation lever: a hollow aluminum tube with the length of 700mm, the outer diameter of 60mm and the inner diameter of 54mm;

a compression spring: a pull spring with the total length of 330mm and the wire diameter of 4mm and the outer diameter of 65mm;

connecting a fork plate: the steel plate 300 x 200 x 15, 300mm long, 200mm wide, 15mm thick;

roller: stainless steel is light gray, the diameter of the outer pipe is 50mm, the length of the pipe is 250mm, the diameter of the shaft is 12mm, and the length of the shaft is 300mm;

gear: 2, 15 teeth (made of 45# steel) of a die, wherein the tooth thickness is 20mm, the inner hole is 8-10mm, and the outer diameter is 34mm;

rack: standard 45# steel rack, modulus: 1-16mm;

a gear box: the KM6001-6A PTO shaft gearbox is 237.5mm in length, 170.16mm in width and 84.5mm in thickness;

a middle conductive tube: TU1, 500mm long;

second lever third lever: a hollow aluminum tube 500mm long;

a balance spring: 202 etc., total length 100mm;

guide rollers: w3SSX with a length of 45.8mm, an inner diameter of 4.76mm, an outer diameter of 19.58mm and a thickness of 7.87mm;

rotating the base: the R-axis displacement platform RS60/40/80/90/125 manual angle index plate rotates to finely adjust the movable sliding table, the length is 60mm, the width is 60mm, and the thickness is 15mm;

adjusting and connecting: GB9074.1-17 carbon steel Q235 with the thickness of 2mm, the length of 30mm and the width of 20mm;

a lower conductive tube: TU1, 500mm long;

four connecting rods: the tower rotation plate is provided with 18 grooves, four connecting rods are horizontally opened, the height is 1500mm, the width is 750mm, and the thickness is 3mm;

bevel gears: 5, molding 30 teeth, wherein the tooth thickness is 20mm, the inner hole is 8-10mm, and the outer diameter is 34mm;

the wiring base: rockwell AB PLC 1734-TOP3 module wiring base 1734TOP3.

The description of the present invention is not intended to be exhaustive or to limit the scope of the claims, and those skilled in the art will be able to conceive of other substantially equivalent alternatives, without inventive step, based on the teachings of the present invention.

Claims (6)

1. The utility model provides a transmission line leads foldable short circuit control system of ground wire direct current ice-melt, it includes direct current ice-melt car (321), wire (7), ground wire (8), first base iron tower (5), second base iron tower (6), characterized by: still control subsystem (1), static contact including the moving contact, control subsystem (2), drainage control subsystem (3) and center control subsystem (4), the center control subsystem (4) with the static contact is controlled subsystem (2) and is connected and provide the direct current ice-melt and control the signal, by the static contact control subsystem (2) in proper order with the moving contact control subsystem (1), the drainage is controlled subsystem (3) ground wire (8) wire (7) direct current ice-melt car (321) electricity is connected and is constituted direct current ice-melt return circuit.

2. The transmission line ground wire direct current ice melting folding type short circuit control system according to claim 1, characterized in that: subsystem (1) is controlled to the moving contact is used for installing fixed plum blossom moving contact (120), at cylinder static contact (201) and first base iron tower (5), second base iron tower (6) within range installation first insulator string (101), second insulator string (102) keep with the insulating safe distance of first base iron tower (5), second base iron tower (6), include: a first insulator string (101), a second insulator string (102), a first flange plate supporting rod (103) and a second flange plate supporting rod (104), wherein the upper end of the flange plate supporting rod is connected with a platform (105), a first U-shaped ring (106), a second U-shaped ring (107), a third U-shaped ring (108), a fourth U-shaped ring (109), a first ball head suspension ring (110), a second ball head suspension ring (111), a first socket head suspension plate (112), a second socket head suspension plate (113), a first T-shaped plate (114), a second T-shaped plate (115), a first platform connecting plate (116), a second platform connecting plate (117), a copper wiring plate (118), a contact arm (119), a plum blossom-shaped moving contact (120), a flange bolt (121), a T-shaped plate fixing bolt (122) and a copper-plated material fixing bolt (123), the first ball head suspension ring (110) is inserted into the upper end of the first insulator string (101), the first ball head suspension ring (110) is connected with the third U-shaped ring (108), the first U-shaped ring (106) is connected with the lower end of the first flange plate (103), the first flange plate supporting rod (103) is connected with the first flange plate (105), and the lower end of the flange plate (103) is connected with the first flange plate (112), the lower end of a first socket hanging plate (112) is connected with a first T-shaped plate (114), the first T-shaped plate (114) is fixed on a first platform connecting plate (116) through T-shaped plate fixing bolts (122), the upper end of a second insulator string (102) is inserted into a second ball head hanging ring (111), the second ball head hanging ring (111) is connected with a fourth U-shaped ring (109), a second U-shaped ring (107) is connected with the fourth U-shaped ring (109), a second U-shaped ring (107) is connected with a second flange plate supporting rod (104), a first flange plate supporting rod (103) is fixedly connected to the lower surface of a connecting platform (105) at the upper end of the flange plate supporting rod through flange bolts (121), the lower end of a first insulator string (101) is connected with a second socket hanging plate (113), the lower end of the second socket hanging plate (113) is connected with a second T-shaped plate (115), the second T-shaped plate (115) is fixed on a second platform connecting plate (117) through T-shaped contact fixing bolts (122), a copper contact connecting plate (118) is fixed on a first platform connecting plate (117) through copper-plated material connecting plate (123), and a plum blossom-shaped copper contact plate (118) is inserted into a plum-plated copper connecting plate (118).

3. The transmission line ground wire direct current ice melting folding type short circuit control system according to claim 1, characterized in that: the static contact is controlled subsystem (2) and is used for installing fixed cylinder static contact (201), installs first pillar insulator string (203), second pillar insulator string (204) at cross arm joint support board (208) and foldable isolator (202) within range, keeps the insulating safe distance with first base iron tower (5), second base iron tower (6), includes: the foldable isolating switch comprises a cylindrical static contact (201), a foldable isolating switch (202), a first pillar insulator string (203), a second pillar insulator string (204), a pillar insulator platform (205), a driving motor (206), a connecting bolt (207) and a cross arm connecting support plate (208), wherein the lower end of the foldable isolating switch (202) is connected with the cylindrical static contact (201), the first pillar insulator string (203) and the second pillar insulator string (204) are installed on the pillar insulator platform (205), the pillar insulator platform (205) is inserted into the foldable isolating switch (202) and fixedly connected through the connecting bolt (207), the upper ends of the first pillar insulator string (203) and the second pillar insulator string (204) are connected with the cross arm connecting support plate (208), and the driving motor (206) is installed on the lower portion of the foldable isolating switch (202).

4. The transmission line ground wire direct current ice melting folding type short circuit control system according to claim 3, characterized in that: the folded isolator switch (202) comprises a folded conductive portion upper portion (209), a folded conductive portion middle portion (210), and a folded conductive portion lower portion (211); the structure of the folded conductive part upper part (209) comprises: the device comprises a cylindrical static contact (201), a stainless steel sheath (212), a reset spring (213), an upper conductive tube (214), a first operating rod (215), a pressing spring (216), a connecting fork plate (217) and a roller (218), wherein in a closing state, the cylindrical static contact (201) is pushed to move towards a plum blossom moving contact (120) by the first operating rod (215) in the upper conductive tube (214), the plum blossom moving contact (120) is contacted with the cylindrical static contact (201) by the pressing spring (216) to form a loop, and ice melting current is conducted through a current-guiding wire clamp connected to the upper conductive tube (214) so as to be transmitted to a lead (7) and a ground wire (8); the folded conductive portion middle portion (210) structure comprises: the device comprises a first gear (219), a first rack (220), a first gear box (221), a middle conductive tube ((222)), a second operating rod (223), a first balance spring (224), a first guide roller (225), a first rotating seat (226) and a first adjusting joint (227); the upper part (209) and the lower part (211) of the folding conductive part realize folding and straightening actions through a second rack (229), a second gear (228), a first rack (220) and a first gear (219), and when the upper conductive pipe (214) and the lower conductive pipe (231) are folded and folded in a brake-off state; when the switch is switched on, the upper conductive tube (214) and the lower conductive tube (231) are unfolded and straightened to be vertical, a cylindrical static contact (201) at the top end of the upper conductive tube (214) is embedded with the plum blossom moving contact (120) to form a conductive path, and the middle part (210) and the lower part (211) of the folding conductive part are connected with each other through a first adjusting connection (227) to keep current conduction; the structure of the folded conductive portion lower part (211) comprises: the device comprises a second gear (228), a second rack (229), a second gear box (230), a lower conductive tube (231), a third operating rod (232), a second balance spring (233), a second guide roller (234), a second rotating seat (235), a second adjusting joint (236), a four-link (237), a driving motor (206), a bevel gear (238), a wiring base (239), a first pillar insulator string (203) and a second pillar insulator string (204), wherein the second balance spring (233) is arranged on the lower conductive tube (231); the wiring base (239) is hinged with a four-bar linkage (237), a bevel gear (238) is fixed on the wiring base (239), the lower end of a second adjusting coupling (232) is hinged with the four-bar linkage (237), the upper end of the second adjusting coupling (232) is hinged with a second guide roller (234), the upper end of the second guide roller (234) is hinged with a third operating rod (232), a second balance spring (233) is sleeved on the rod body of the third operating rod (232), the upper end of the third operating rod (232) is fixedly connected with a second rack (229), the second rack (229) and the second gear (228) are arranged in a second gear box (230), one end of the first adjusting coupling (227) is fixedly connected with the second gear (228), the other end of the first adjusting coupling is hinged with a first guide roller (225), the upper end of the first guide roller (225) is hinged with the second operating rod (223), the first balance spring (224) is sleeved on the rod body of the second operating rod (223), the first rack (220) and the first gear (219) are arranged in a first gear box (221), one end of the first guide roller (217) is connected with a first fork rod (217) and a first fork (215), the first fork rod (217) is fixedly connected with a first fork arm (217) and a reset spring (217) and a reset bar (215), the first fork arm (218) is fixedly connected with a first fork arm (215), and a reset spring (217) and a reset bar (218), a compression spring (216) is sleeved at the rear end, a stainless steel sheath (212) is sleeved at the front end of an upper conductive tube (214), a cylindrical static contact (201) is fixedly connected with the front end of a first operating rod (215), and a first rotating seat (226) and a second rotating seat (235) are respectively installed at the rear end of a middle conductive tube (222) and the rear end of a lower conductive tube (231); the driving motor (206) drives the bevel gear (238) to drive the plane four-bar linkage (237) to move, so that the lower conductive tube (231) in the second rotating seat (235) rotates clockwise to be straightened and rotates anticlockwise to be folded; because the hinge point of the second adjusting connection (236) is different from that of the lower conductive tube (231), the second guide roller (234) hinged with the upper end of the second adjusting connection (236) drives the third operating rod (232) to axially displace relative to the lower conductive tube (231), the upper end of the third operating rod (232) is fixedly connected with the second rack (229), the second rack (229) is moved to push the second gear (228) to rotate, and the first adjusting connection (227) fixedly connected with the second gear (228) drives the middle conductive tube (222) to straighten or fold relative to the lower conductive tube (231); a first guide roller (225) hinged with the upper end of the first adjusting joint (227) drives a second operating rod (223) to axially displace relative to the middle conductive tube (222), the upper end of the second operating rod (223) is fixedly connected with a first rack (220), and the first rack (220) moves to push a first gear (219) to rotate, so that a connecting fork plate (217) fixedly connected with the first gear (219) drives the upper conductive tube (214) to straighten or fold relative to the middle conductive tube (222); the first operating rod (215) makes micro motion in the reserved hole under the action of the gravity of the roller (218), and the pressing spring (216) and the reset spring (213) stretch or contract under the action of the gravity to complete opening and closing; in addition, when the second operating rod (223) and the third operating rod (232) axially displace, the first balance spring (224) and the second balance spring (233) store energy or release energy according to a preset requirement, the gravity moment of the cylindrical static contact (201) is balanced to the maximum extent, so that the movement of the cylindrical static contact (201) is facilitated, the folding isolating switch (202) drives the upper conductive tube (214), the middle conductive tube (222) and the lower conductive tube (231) to complete folding and straightening actions through the first operating rod (215), the second operating rod (223) and the third operating rod (232), and the quincunx moving contact (120) and the cylindrical static contact (201) complete switching on and switching off.

5. The transmission line ground wire direct current ice melting folding type short circuit control system according to claim 1, characterized in that: the drainage control subsystem (3) is used for guiding ice melting current transmitted by the direct current ice melting vehicle (321) to a lead (7) and a ground wire (8) needing ice melting, and comprises: the first drainage wire clamp (301), a first copper braided wire (302), a first drainage wire binding clip (303), a first drainage aluminum busbar (304), a first drainage wire (305), a first confluence wire clamp (306), a second confluence wire clamp (307), a second drainage wire (308), a second drainage wire binding clip (309), a second drainage wire clamp (310), a second copper braided wire (311), a second drainage aluminum busbar (312), a third drainage wire binding clip (313), a third drainage wire (314), a third confluence wire clamp (315), a fourth confluence wire clamp (316), a fourth drainage wire (317), a fourth drainage wire binding clip (318), a third drainage aluminum busbar (319) and a composite insulator pillar (320), wherein one end of the first drainage aluminum busbar (304) is connected with a direct current ice melting vehicle (321) and the other end is connected with the first copper braided wire (302), the first copper braided wire (302) is connected with the first drainage wire clamp (301), the first drainage aluminum braided wire clamp (301) is connected with the first drainage aluminum busbar (303) through a first drainage wire clamp (118) and a first drainage wire clamp (303), the first drainage aluminum braided wire clamp (305) is fixed on the first base iron tower (5), a first confluence wire clamp (306) is arranged on a lead (7), a first drainage wire (305) is connected with the first confluence wire clamp (306), a second confluence wire clamp (307) on a second base iron tower (6) is arranged on the lead (7), a second drainage wire (308) is connected with the second confluence wire clamp (307), the second drainage wire (308) is connected with a copper wiring board (118) of the second base iron tower (6) after being crimped with a second drainage wire wiring clamp (309), the second drainage wire clamp (310) is clamped on a folding isolating switch (202) of the second base iron tower (6), one end of the second copper braided wire (311) is connected on the second drainage wire clamp (310), the other end is connected with a second drainage aluminum bus bar (312), a third drainage wire (314) is connected with a second drainage aluminum busbar (312) after being crimped with a third drainage wire jointing clamp (313), a third confluence wire clamp (315) is arranged on a ground wire (8), the third drainage wire (314) is connected with a third confluence wire clamp (315), the third drainage wire (314) is connected with the second drainage aluminum busbar (312) after being crimped with the third drainage wire jointing clamp (313), a fourth confluence wire clamp (316) on a first base iron tower (5) is arranged on the ground wire (8), a fourth drainage wire (317) is connected with the fourth confluence wire clamp (316), and the fourth drainage wire (317) is connected with the fourth drainage wire jointing clamp (318) after being crimped with the fourth drainage wire jointing clamp (318) The three drainage aluminum busbars (319) are connected, the third drainage aluminum busbar (319) is connected with the direct-current ice melting vehicle (321), the composite post insulator (320) is arranged on the first base iron tower (5) and the second base iron tower (6) at intervals, and the first drainage aluminum busbar (304), the second drainage aluminum busbar (312) and the third drainage aluminum busbar (319) are arranged at the lower end of the composite post insulator (320).

6. The transmission line ground wire direct current ice melting folding type short circuit control system according to claim 1, characterized in that: the central steering subsystem (4) comprises: the device comprises a speed sensor (401), a main singlechip (402), a signal transmitter (403), a storage battery (404), a solar photovoltaic charging panel (405), a storage battery power switch (406), a control box (407), a ground remote controller (408) and an angle sensor (409), wherein the speed sensor (401), the main singlechip (402), the signal transmitter (403), the storage battery (404), the storage battery power switch (406) and the angle sensor (409) are installed in the control box (407), the main singlechip (402) acquires information of the speed sensor (401) and the angle sensor (409), the information is connected with the ground remote controller (408) through the signal transmitter (403), the speed sensor (401) adjusts the operation speed of a static contact control subsystem (2), the angle sensor (409) adjusts the operation angle of the static contact control subsystem (2), the storage battery (404) provides a working power supply for operating at 12V, the solar photovoltaic charging panel (405) and the storage battery power switch (406) are installed on the storage battery (404), and the ground remote controller (408) controls the operation of the static contact control subsystem (2) through the signal transmitter (403) in the control box (407).

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