CN112310901A - Automatic wiring device for mobile direct-current ice melting of ultra-high voltage transmission line - Google Patents
Automatic wiring device for mobile direct-current ice melting of ultra-high voltage transmission line Download PDFInfo
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- CN112310901A CN112310901A CN202011261296.4A CN202011261296A CN112310901A CN 112310901 A CN112310901 A CN 112310901A CN 202011261296 A CN202011261296 A CN 202011261296A CN 112310901 A CN112310901 A CN 112310901A
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- block
- circular
- ice melting
- wiring device
- transmission line
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/14—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for joining or terminating cables
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/16—Devices for removing snow or ice from lines or cables
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Abstract
The invention discloses a mobile direct-current ice-melting automatic wiring device for an ultra-high voltage transmission line, which comprises an ice-melting automatic wiring equipment body, wherein square inserting grooves are formed in the left side and the right side of the top of the ice-melting automatic wiring equipment body, and circular clamping grooves are formed in the front side and the rear side of the inner walls of the two square inserting grooves. According to the movable direct current ice melting automatic wiring device for the ultra-high voltage transmission line, the problem of poor protection effect is solved by the matched use of the movable direct current ice melting automatic wiring device for the ultra-high voltage transmission line, and the movable direct current ice melting automatic wiring device for the ultra-high voltage transmission line has the advantage of good protection effect. The method is suitable for overhauling the power transmission line.
Description
Technical Field
The invention belongs to the technical field of high-voltage electricity, and particularly relates to a mobile direct-current ice-melting automatic wiring device for an ultra-high voltage transmission line.
Background
The electric wire is a conducting wire for transmitting electric energy, is divided into a bare wire, an electromagnetic wire and an insulating wire, the bare wire has no insulating layer and comprises copper, an aluminum flat wire, an overhead stranded wire and various sectional materials (such as molded lines, buses, copper bars, aluminum bars and the like), and the electric wire is mainly used for outdoor overhead and indoor bus bars and switch boxes.
Automatic termination of ice-melt, in order to satisfy the market demand, generally all until how better ice-melt and how more the person of facilitating the use these aspects optimize, often neglected whether can fine protection, automatic termination of ice-melt has, the effect of ice-melt is better and more the person of facilitating the use these useful parts, but have certain restriction, when normal use, often the top appears very easily because of leaking and causes the inside part to appear damaging, it is poor to cause to protect the ice-melt effect, the problem that prior art exists is: the protection effect is poor.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides the automatic wiring device for the mobile direct current ice melting of the ultra-high voltage transmission line, which has the advantage of good protection effect and solves the problem of poor protection effect in the prior art.
The invention is realized in such a way that the movable direct-current ice-melting automatic wiring device for the ultra-high voltage transmission line comprises an ice-melting automatic wiring device body, square inserting grooves are formed in the left side and the right side of the top of the ice-melting automatic wiring device body, circular clamping grooves are formed in the front sides and the rear sides of the inner walls of the two square inserting grooves, square inserting blocks are inserted into the two square inserting grooves, cavities are formed in the two square inserting blocks, fixing mechanisms are fixedly arranged in the two cavities, auxiliary devices are fixedly arranged at the tops of the inner walls of the two cavities, U-shaped shielding blocks are fixedly arranged at the tops of the two square inserting blocks, annular blocks are fixedly arranged on the right side of the ice-melting automatic wiring device body, supporting blocks are fixedly arranged at the bottoms of the inner walls of the annular blocks, and extrusion mechanisms are arranged at the tops of.
Preferably, the fixing mechanism comprises a circular stop block, the outer surface of the circular stop block is slidably connected with the inner wall of the cavity, a stress block is fixedly mounted at the bottom of the circular stop block, the bottom of the stress block penetrates through the cavity and extends to the bottom of the square insertion block, connecting rods are movably connected to the left side and the right side of the circular stop block, circular clamping blocks are movably connected to the ends, far away from the circular stop block, of the two connecting rods, and the ends, far away from the connecting rods, of the two circular clamping blocks are clamped with the inner portion of the circular clamping groove.
Preferably, the auxiliary device comprises a pneumatic cylinder, the top of the pneumatic cylinder is fixedly connected with the inner wall of the cavity, a piston is connected in the pneumatic cylinder in a sliding mode, a force bearing rod is fixedly installed at the bottom of the piston, the bottom of the force bearing rod penetrates through the pneumatic cylinder and extends into the cavity, and the bottom of the force bearing rod is matched with the top of the round stop block for use.
Preferably, the extrusion mechanism comprises a threaded through hole, the threaded through hole is formed in the top of the annular block, a threaded rod is connected to the inner thread of the threaded through hole, a rotating handle is fixedly mounted on the top of the threaded rod, the bottom of the threaded rod penetrates through the threaded through hole and extends into the annular block, and the extrusion block is fixedly mounted on the bottom of the threaded rod.
Preferably, the observation port is fixedly installed on the front side of the automatic ice melting wiring equipment body, and the observation port is located on the left side of the front side of the automatic ice melting wiring equipment body.
Preferably, the opposite ends of the two circular clamping blocks are fixedly provided with hinged seats, and one ends of the two hinged seats far away from the circular clamping blocks are movably connected with the connecting rod.
Preferably, the front side and the rear side of the top of the inner wall of the cavity are both provided with a limiting groove, the tops of the two circular clamping blocks are both fixedly provided with limiting blocks, and one ends of the two limiting blocks, which are far away from the circular clamping blocks, are both connected with the inner part of the limiting groove in a sliding manner.
Preferably, the protective pad is fixedly arranged on the outer surface of the rotating handle and is plastic.
Compared with the prior art, the invention has the following beneficial effects:
1. the movable direct-current ice melting automatic wiring device for the ultra-high voltage transmission line solves the problem of poor protection effect by matching the movable direct-current ice melting automatic wiring device for the ultra-high voltage transmission line with the main body of the ice melting automatic wiring device, the square insertion groove, the circular clamping groove, the square insertion block, the cavity, the fixing mechanism, the circular stop block, the extrusion block, the connecting rod, the circular stop block, the U-shaped stop block, the annular block, the supporting block, the extrusion mechanism, the threaded through hole, the threaded rod, the rotating handle, the extrusion block, the auxiliary device, the pneumatic cylinder, the piston, the stress rod, the observation port, the hinge seat, the limiting groove and the limiting block.
2. According to the invention, the square insertion block is inserted into the square insertion groove to provide an extrusion force for the stress block, and because the force can be transmitted, the stress block is stressed and simultaneously provides a pushing force for the two connecting rods through the circular stop block, so that the two circular fixture blocks can be pushed to move, the circular fixture blocks and the circular clamping groove can be clamped, the U-shaped shielding block can be well fixed, and the protection effect is better.
3. The force can be transmitted, and the piston is pushed to move while the stress rod is stressed, so that an extrusion force can be applied to the air pressure in the pneumatic cylinder, when the U-shaped shielding block is damaged or needs to be replaced, only the U-shaped shielding block needs to be pulled, and the air pressure in the pneumatic cylinder applies the same reaction force to the stress rod, so that the replacement effect is better, and meanwhile, the protection effect is better.
4. According to the invention, the power source of the whole extrusion mechanism is realized by manually rotating the rotating handle, and as the force can be transmitted, the rotating handle is rotated and simultaneously drives the threaded rod to rotate, so that the extrusion block can be pushed to move through the threaded through hole, and the extrusion mechanism is matched with the supporting block for use, and the wire connection effect is better.
5. The invention can observe the internal condition well by arranging the observation port.
6. According to the invention, the hinge seat is arranged, so that a good limiting force can be applied to the connecting rod while the normal movement of the connecting rod is not influenced, and the fixing effect is better.
7. According to the invention, the limiting groove is arranged, so that the sliding connection with the limiting block fixedly arranged at the top of the circular clamping block can be realized, the position of the circular clamping block can be well limited, and the motion track of the circular clamping block is more stable.
8. According to the invention, the protective pad is arranged, so that the hand comfort of a user can be improved, and an anti-skid effect can be achieved.
Drawings
FIG. 1 is a schematic diagram of a structure provided by an embodiment of the present invention;
FIG. 2 is a perspective view of a U-shaped shielding block provided by an embodiment of the present invention;
FIG. 3 is a perspective view of a U-shaped shielding block provided by an embodiment of the present invention;
FIG. 4 is a detailed view of an extrusion mechanism provided in an embodiment of the present invention;
FIG. 5 is a cross-sectional view of a square plug block provided by an embodiment of the present invention;
fig. 6 is a cross-sectional view of a circular card slot provided by an embodiment of the invention.
In the figure: 1. melting ice and automatically wiring the equipment body; 2. a square insertion groove; 3. a circular slot; 4. a square plug-in block; 5. a cavity; 6. a fixing mechanism; 601. a circular stopper; 602. a stress block; 603. a connecting rod; 604. a circular fixture block; 7. a U-shaped stop block; 8. a ring block; 9. a support block; 10. an extrusion mechanism; 1001. a threaded through hole; 1002. a threaded rod; 1003. rotating the handle; 1004. extruding the block; 11. an auxiliary device; 1101. a pneumatic cylinder; 1102. a piston; 1103. a stress beam; 12. a viewing port; 13. a hinged seat; 14. a limiting groove; 15. and a limiting block.
Detailed Description
In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings.
The structure of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 6, the automatic mobile direct current ice melting wiring device for the ultra-high voltage transmission line provided by the embodiment of the invention comprises an automatic ice melting wiring device body 1, square insertion grooves 2 are respectively arranged on the left side and the right side of the top of the automatic ice melting wiring device body 1, circular clamping grooves 3 are respectively arranged on the front side and the rear side of the inner wall of each square insertion groove 2, square insertion blocks 4 are respectively inserted into the two square insertion grooves 2, cavities 5 are respectively arranged in the two square insertion blocks 4, fixing mechanisms 6 are respectively fixedly arranged in the two cavities 5, auxiliary devices 11 are respectively fixedly arranged on the top of the inner wall of each cavity 5, a U-shaped shielding block 7 is fixedly arranged on the top of each square insertion block 4, an annular block 8 is fixedly arranged on the right side of the automatic ice melting wiring device body 1, and a supporting block 9 is fixedly arranged on the bottom of the inner wall of each annular, the top of the annular block 8 is provided with a pressing mechanism 10.
Referring to fig. 5, fixing mechanism 6 includes circular dog 601, the outer surface of circular dog 601 and the inner wall sliding connection of cavity 5, the bottom fixed mounting of circular dog 601 has atress piece 602, the bottom of atress piece 602 runs through cavity 5 and extends to the bottom of square insertion piece 4, the equal swing joint in both sides has connecting rod 603 about circular dog 601, the equal swing joint in one end that circular dog 601 was kept away from to two connecting rods 603 has circular fixture block 604, the one end that connecting rod 603 was kept away from to two circular fixture block 604 all with circular draw-in groove 3's inside joint.
Adopt above-mentioned scheme: the stress block 602 is provided with an extrusion force through the splicing of the square splicing block 4 and the square splicing groove 2, the force can be transmitted, the stress block 602 is provided with a pushing force for the two connecting rods 603 through the circular stop block 601 when being stressed, so that the two circular fixture blocks 604 can be pushed to move, the circular fixture blocks 604 and the circular clamping groove 3 are clamped, the U-shaped shielding block 7 can be well fixed, and the protection effect is better.
Referring to fig. 5, the auxiliary device 11 includes a pneumatic cylinder 1101, the top of the pneumatic cylinder 1101 is fixedly connected with the inner wall of the cavity 5, a piston 1102 is slidably connected inside the pneumatic cylinder 1101, a force-bearing rod 1103 is fixedly installed at the bottom of the piston 1102, the bottom of the force-bearing rod 1103 penetrates through the pneumatic cylinder 1101 and extends into the cavity 5, and the bottom of the force-bearing rod 1103 is matched with the top of the circular stopper 601 for use.
Adopt above-mentioned scheme: realize the power supply of whole auxiliary device 11 through atress pole 1103 atress, because of power can transmit, promote the piston 1102 and remove when atress pole 1103 atress, just so can realize giving the extruded power of the inside atmospheric pressure of pneumatic cylinder 1101, when U-shaped shelters from piece 7 and appears damaging or need to change, only need to stimulate U-shaped shelters from piece 7, the inside atmospheric pressure of pneumatic cylinder 1101 gives the same reaction force of atress pole 1103, just so can make the effect of changing better, the effect of protection simultaneously is also better.
Referring to fig. 4, the pressing mechanism 10 includes a threaded through hole 1001, the threaded through hole 1001 is opened at the top of the annular block 8, a threaded rod 1002 is connected to the internal thread of the threaded through hole 1001, a rotating handle 1003 is fixedly installed at the top of the threaded rod 1002, the bottom of the threaded rod 1002 penetrates through the threaded through hole 1001 and extends into the annular block 8, and a pressing block 1004 is fixedly installed at the bottom of the threaded rod 1002.
Adopt above-mentioned scheme: the power source of the whole squeezing mechanism 10 is realized by rotating the rotating handle 1003 through manpower, and the force can be transmitted, so that the threaded rod 1002 is driven to rotate while rotating the rotating handle 1003, the squeezing block 1004 can be pushed to move through the threaded through hole 1001, and therefore the squeezing block is matched with the supporting block 9 to be used, and the wiring effect is better.
Referring to fig. 1 and 2, an observation port 12 is fixedly installed at the front side of the automatic ice-melting wiring device body 1, and the observation port 12 is located at the left side of the front side of the automatic ice-melting wiring device body 1.
Adopt above-mentioned scheme: by providing the observation port 12, the internal state can be observed well.
Referring to fig. 5, the opposite ends of the two circular blocks 604 are fixedly mounted with the hinge seats 13, and the ends of the two hinge seats 13 far away from the circular blocks 604 are movably connected with the connecting rod 603.
Adopt above-mentioned scheme: through setting up articulated seat 13, just so can realize giving connecting rod 603 a fine restriction's power when not influencing connecting rod 603 normal removal, make fixed effect better.
Referring to fig. 5, the front side and the rear side at the top of the inner wall of the cavity 5 are both provided with a limiting groove 14, the tops of the two circular clamping blocks 604 are both fixedly provided with limiting blocks 15, and one ends of the two limiting blocks 15, which are far away from the circular clamping blocks 604, are both connected with the inner portion of the limiting groove 14 in a sliding manner.
Adopt above-mentioned scheme: through setting up spacing groove 14, just so can realize with the stopper 15 sliding connection of circular fixture block 604 top fixed mounting, the restriction circular fixture block 604's that not only can be fine position like this, make the motion trail of circular fixture block 604 more stable simultaneously.
Referring to fig. 4, a protective pad is fixedly installed on an outer surface of the rotating handle 1003, and the protective pad is a plastic protective pad.
Adopt above-mentioned scheme: through setting up the protection pad, not only can improve user's hand comfort level like this, also can play the antiskid effect simultaneously.
The working principle of the invention is as follows:
when the clamping device is used, firstly, the square inserting block 4 is inserted into the square inserting groove 2 to provide an extruding force for the stress block 602, because the force can be transmitted, the stress block 602 is stressed and simultaneously provides a pushing force for the two connecting rods 603 through the circular stop block 601, so that the two circular clamping blocks 604 can be pushed to move, the clamping connection of the circular clamping blocks 604 and the circular clamping grooves 3 is realized, meanwhile, through the arrangement of the hinged seat 13, a very good limiting force can be provided for the connecting rods 603 while the normal movement of the connecting rods 603 is not influenced, through the arrangement of the limiting groove 14, the sliding connection with the limiting blocks 15 fixedly arranged at the tops of the circular clamping blocks 604 can be realized, the position of the circular clamping blocks 604 can be well limited, meanwhile, the movement track of the circular clamping blocks 604 is more stable, and the U-shaped shielding block 7 can be well fixed, meanwhile, the power source of the whole auxiliary device 11 is realized by the stress of the stress rod 1103, because the force can be transmitted, the piston 1102 is pushed to move when the stress rod 1103 is stressed, so that the extrusion force can be given to the air pressure in the pneumatic cylinder 1101, when the U-shaped shielding block 7 is damaged or needs to be replaced, only the U-shaped shielding block 7 needs to be pulled, and the air pressure in the pneumatic cylinder 1101 gives the same reaction force to the stress rod 1103, so that the replacement effect is better, the protection effect is better, secondly, the power source of the whole extrusion mechanism 10 is realized by manually rotating the rotating handle 1003, because the force can be transmitted, the threaded rod 1002 is driven to rotate while the rotating handle 1003 is rotated, so that the extrusion block 1004 can be pushed to move through the threaded through hole 1001, the matched use with the supporting block 9 is realized, and the wiring effect is better, finally, the internal condition can be observed well by arranging the observation port 12.
In summary, the following steps: this automatic termination of super extra-high voltage transmission line removal direct current ice-melt, through setting up ice-melt automatic termination body 1, square inserting groove 2, circular draw-in groove 3, square inserting piece 4, cavity 5, fixed establishment 6, circular dog 601, atress piece 602, connecting rod 603, circular fixture block 604, U-shaped shelters from piece 7, annular piece 8, supporting shoe 9, extrusion mechanism 10, screw through-hole 1001, threaded rod 1002, twist grip 1003, extrusion piece 1004, auxiliary device 11, pneumatic cylinder 1101, piston 1102, atress pole 1103, viewing aperture 12, articulated seat 13, spacing groove 14 and spacing block 15's cooperation is used, the problem that current protection effect is poor has been solved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an automatic termination of super extra-high voltage transmission line removal direct current ice-melt, includes ice-melt automatic wiring equipment body (1), its characterized in that: the ice melting automatic wiring equipment is characterized in that square inserting grooves (2) are formed in the left side and the right side of the top of an ice melting automatic wiring equipment body (1), circular clamping grooves (3) are formed in the front sides and the rear sides of the inner walls of the two square inserting grooves (2), square inserting blocks (4) are inserted into the two square inserting blocks (2), cavities (5) are formed in the two square inserting blocks (4), fixing mechanisms (6) are fixedly arranged in the two cavities (5), auxiliary devices (11) are fixedly arranged at the tops of the inner walls of the two cavities (5), U-shaped blocking blocks (7) are fixedly arranged at the tops of the two square inserting blocks (4), an annular block (8) is fixedly arranged on the right side of the ice melting automatic wiring equipment body (1), a supporting block (9) is fixedly installed at the bottom of the inner wall of the annular block (8), and an extrusion mechanism (10) is arranged at the top of the annular block (8);
the fixing mechanism (6) comprises a circular stop block (601), the outer surface of the circular stop block (601) is in sliding connection with the inner wall of the cavity (5), a stress block (602) is fixedly installed at the bottom of the circular stop block (601), the bottom of the stress block (602) penetrates through the cavity (5) and extends to the bottom of the square insertion block (4), connecting rods (603) are movably connected to the left side and the right side of the circular stop block (601), circular clamping blocks (604) are movably connected to one ends, far away from the circular stop block (601), of the two connecting rods (603), and one ends, far away from the connecting rods (603), of the two circular clamping blocks (604) are clamped with the inner part of the circular clamping groove (3);
auxiliary device (11) include pneumatic cylinder (1101), the top of pneumatic cylinder (1101) and the inner wall fixed connection of cavity (5), the inside sliding connection of pneumatic cylinder (1101) has piston (1102), the bottom fixed mounting of piston (1102) has atress pole (1103), the bottom of atress pole (1103) runs through pneumatic cylinder (1101) and extends to the inside of cavity (5), the bottom of atress pole (1103) uses with the top cooperation of circular dog (601).
2. The automatic wiring device for the mobile direct current ice melting of the ultra-high voltage transmission line according to claim 1, characterized in that: the extrusion mechanism (10) comprises a threaded through hole (1001), the top of the annular block (8) is opened in the threaded through hole (1001), a threaded rod (1002) is connected to the internal thread of the threaded through hole (1001), a rotating handle (1003) is fixedly mounted at the top of the threaded rod (1002), the bottom of the threaded rod (1002) penetrates through the threaded through hole (1001) and extends to the inside of the annular block (8), and an extrusion block (1004) is fixedly mounted at the bottom of the threaded rod (1002).
3. The automatic wiring device for the mobile direct current ice melting of the ultra-high voltage transmission line according to claim 1, characterized in that: the automatic ice melting wiring device is characterized in that an observation port (12) is fixedly arranged on the front side of the automatic ice melting wiring device body (1), and the observation port (12) is located on the left side of the front side of the automatic ice melting wiring device body (1).
4. The automatic wiring device for the mobile direct current ice melting of the ultra-high voltage transmission line according to claim 1, characterized in that: the opposite ends of the two circular clamping blocks (604) are fixedly provided with hinged seats (13), and one ends of the two hinged seats (13) far away from the circular clamping blocks (604) are movably connected with the connecting rod (603).
5. The automatic wiring device for the mobile direct current ice melting of the ultra-high voltage transmission line according to claim 1, characterized in that: spacing groove (14) have all been seted up to the front side and the rear side at cavity (5) inner wall top, and the equal fixed mounting in top of two circular fixture block (604) has stopper (15), and the one end that circular fixture block (604) were kept away from in two stopper (15) all with the inside sliding connection of spacing groove (14).
6. The automatic wiring device for the mobile direct current ice melting of the ultra-high voltage transmission line according to claim 2, characterized in that: the outer surface of the rotating handle (1003) is fixedly provided with a protective pad, and the protective pad is a plastic protective pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011261296.4A CN112310901B (en) | 2020-11-12 | 2020-11-12 | Automatic wiring device for mobile direct-current ice melting of ultra-high voltage transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011261296.4A CN112310901B (en) | 2020-11-12 | 2020-11-12 | Automatic wiring device for mobile direct-current ice melting of ultra-high voltage transmission line |
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| Publication Number | Publication Date |
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| CN112310901A true CN112310901A (en) | 2021-02-02 |
| CN112310901B CN112310901B (en) | 2021-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011261296.4A Active CN112310901B (en) | 2020-11-12 | 2020-11-12 | Automatic wiring device for mobile direct-current ice melting of ultra-high voltage transmission line |
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| CN211538688U (en) * | 2019-11-12 | 2020-09-22 | 新疆光万信新能源科技有限公司 | Transmission line detection device with dust removal and deicing functions |
| CN213637012U (en) * | 2020-11-12 | 2021-07-06 | 国家电网有限公司 | Automatic wiring device for mobile direct-current ice melting of ultra-high voltage transmission line |
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2020
- 2020-11-12 CN CN202011261296.4A patent/CN112310901B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016054582A (en) * | 2014-09-03 | 2016-04-14 | 株式会社ジェイ・パワーシステムズ | Snow removal device for wire, method of manufacturing snow removal device for wire and wire snow removal method |
| CN206673530U (en) * | 2017-03-21 | 2017-11-24 | 武汉市整流器研究所 | Power line DC ice-melting device |
| CN108336688A (en) * | 2018-04-23 | 2018-07-27 | 贵州电网有限责任公司 | A kind of horizontal access device of mobile DC ice melting |
| CN211351645U (en) * | 2019-10-12 | 2020-08-25 | 王爱旭 | Adjustable snow removing device for power grid line |
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| CN210806688U (en) * | 2019-12-26 | 2020-06-19 | 楚亚博 | Ice melting device for power distribution line |
| CN213637012U (en) * | 2020-11-12 | 2021-07-06 | 国家电网有限公司 | Automatic wiring device for mobile direct-current ice melting of ultra-high voltage transmission line |
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| CN112310901B (en) | 2021-11-23 |
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