CN212012079U - Three-phase transmission ice melting device - Google Patents
Three-phase transmission ice melting device Download PDFInfo
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- CN212012079U CN212012079U CN202020888089.0U CN202020888089U CN212012079U CN 212012079 U CN212012079 U CN 212012079U CN 202020888089 U CN202020888089 U CN 202020888089U CN 212012079 U CN212012079 U CN 212012079U
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Abstract
The utility model relates to a three-phase ice melting device, which comprises a U-shaped clamp plate I and a U-shaped clamp plate II, wherein the openings of the U-shaped clamp plate I and the U-shaped clamp plate II are oppositely arranged, the inner side wall of the U-shaped clamp plate I is vertically connected with a heating plate I in a sliding manner, the inner side wall of the U-shaped clamp plate II is vertically connected with a heating plate II in a sliding manner, the upper surface of the U-shaped clamp plate II is fixedly connected with a hinged shaft, the U-shaped clamp plate I is hinged on the outer wall of the hinged shaft, the hinged shaft is sleeved with a coil spring, one end of the coil spring is fixedly connected on the side wall of the hinged shaft, the other end of the coil spring is fixedly connected on the lower surface of the U-shaped clamp plate I, when the coil spring is not deformed, the lower surface of the U-shaped clamp plate I is attached on the upper, the support rod is provided with a turnover component. The utility model discloses have the effect that makes things convenient for ice-melt device to move on the electric wire.
Description
Technical Field
The utility model belongs to the technical field of the technique of power transmission line ice-melt and specifically relates to a three-phase transmission of electricity ice-melt device is related to.
Background
The icing of the transmission line is too thick, so that the wind receiving surface of the lead is increased, the load of the lead is easy to break, the mechanical load of a tower is easy to break, and the like; in addition, after the insulator string is coated with ice, the insulating property of the insulator string is greatly reduced, and single-phase grounding or interphase short circuit is easy to occur. When the ice coating of the line has faults such as pole falling, line breaking, short circuit and the like, the fault point searching and the operation recovery are particularly difficult, so that the observation of the ice coating thickness is particularly important for timely deicing.
The patent of current grant publication No. CN205791407U provides an overhead transmission line ice-melt device, including ice-melt device body and cutter mounting panel, the crossbeam is installed through compound spring in the top of frame, and the left and right sides of crossbeam all installs the leading wheel, the inside at ice-melt device body is installed to the motor, the cutter mounting panel is installed on the right side of ice-melt device body, and the top of cutter mounting panel is passed through hydraulic telescoping device and is installed the ice-melt sword. The driving wheel and the driven wheel are mounted above the ice melting device body through the rack, and the driving wheel is located on the left side of the driven wheel. After the power is switched on, the electric wire needing deicing is clamped among the guide wheel, the driving wheel and the driven wheel, the electric wire can be well clamped without slipping on the premise of not damaging the electric wire due to the action of the composite spring, the device moves along the direction of the electric wire after the motor is started, and the heated ice melting knife can easily cut and melt the ice layer bound on the electric wire, so that the aim of deicing is fulfilled. The utility model uses a heating resistor as a cutter, when deicing, the heated ice-melting knife can melt ice well and cut the ice along with the pushing blade of the device, thus realizing the purpose of ice melting; the device is provided with two guide wheels, and the guide wheels are connected with the device through a composite spring, so that the device can be pushed along the direction of the wire and is not easy to slip off when in work.
The above prior art solutions have the following drawbacks: the ice melting device body in the prior art is driven by the motor to move along the electric wire, but the electric wire is generally cylindrical, so that the electric wire is difficult to be stably clamped by four disc-shaped objects such as a guide wheel, a driving wheel, a driven wheel and the like, and for the ice melting device which slides on the electric wire by virtue of friction force, the electric wire can be difficult to normally move along with the electric wire, so that the ice melting effect of the whole ice melting device is influenced to a certain extent. Therefore, there is room for improvement.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a three-phase transmission of electricity ice-melt device that convenient removal on the electric wire.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
a three-phase power transmission ice melting device comprises a first U-shaped clamp plate and a second U-shaped clamp plate, wherein openings of the first U-shaped clamp plate and the second U-shaped clamp plate are oppositely arranged, the inner side wall of the first U-shaped clamp plate is vertically connected with a first heating plate in a sliding mode, the inner side wall of the second U-shaped clamp plate is vertically connected with a second heating plate in a sliding mode, the upper surface of the second U-shaped clamp plate is fixedly connected with a horizontally arranged hinge shaft, the first U-shaped clamp plate is hinged to the outer wall of the hinge shaft, a coil spring is sleeved and connected onto the hinge shaft, one end of the coil spring is fixedly connected onto the side wall of the hinge shaft, the other end of the coil spring is fixedly connected onto the upper surface of the second U-shaped clamp plate, and when the coil spring is not deformed; the lower surface of the U-shaped clamping plate II is vertically and fixedly connected with a supporting rod, one end, far away from the U-shaped clamping plate II, of the supporting rod is provided with a moving device used for moving the supporting rod, the moving device is provided with a power supply electrically connected with the heating plate I and the heating plate II, and the supporting rod is provided with a turning assembly used for turning over the U-shaped clamping plate I.
By adopting the technical scheme, the first U-shaped clamping plate is turned around the hinge shaft towards the direction far away from the second U-shaped clamping plate through the turning assembly, so that the first U-shaped clamping plate and the second U-shaped clamping plate are opened to clamp wires with different diameters, and the coil spring is in a deformation state; and then the coil spring is restored to deform through the overturning assembly, the first U-shaped clamping plate and the second U-shaped clamping plate clamp the electric wire tightly, the electric wire is positioned between the first heating plate and the second heating plate, the power supply is switched on, the first heating plate and the second heating plate are heated to melt ice and snow on the electric wire, and the supporting rod is moved through the moving device, so that the ice melting device can slide along the electric wire conveniently.
The present invention may be further configured in a preferred embodiment as: a first spring is fixedly connected to the side wall of the first heating plate far away from the second heating plate, and one end of the first spring far away from the first heating plate is vertically and fixedly connected to the lower surface of the inner side wall of the first U-shaped clamping plate; and a second spring is fixedly connected to the side wall of the second heating plate far away from the first heating plate, and one end of the second spring far away from the second heating plate is vertically and fixedly connected to the upper surface of the inner side wall of the second U-shaped clamping plate.
By adopting the technical scheme, the first heating plate extrudes the first spring, and the second heating plate extrudes the second spring, so that the first U-shaped clamping plate and the second U-shaped clamping plate can be suitable for clamping electric wires with different diameters.
The present invention may be further configured in a preferred embodiment as: the turnover assembly comprises a traction rope and a winding roller, a fixed rod is vertically and fixedly connected to the upper surface of the first U-shaped clamping plate, one end of the traction rope is fixedly connected to the side wall of the fixed rod, the winding roller is rotatably connected to the side wall of the supporting rod, the rotating axis of the winding roller is arranged along the horizontal direction, the traction rope is wound on the outer wall of the winding roller, the tail end of the traction rope is fixedly connected to the winding roller, a rotary disc is fixedly connected to one end, away from the supporting rod, of the winding roller, a bolt is horizontally inserted into the edge of the rotary disc, one end, away from the supporting rod, of the bolt penetrates out of the rotary disc and is fixedly connected with a blocking block, a bolt hole for inserting the bolt is formed in the side wall of the supporting rod, and when the bolt is located; the upper surface of the first U-shaped clamp plate is fixedly connected with a limiting shaft sleeve used for being sleeved with the traction rope along the length direction of the first U-shaped clamp plate.
Through adopting above-mentioned technical scheme, the haulage rope passes spacing axle sleeve, and rotatory wind-up roll rolling haulage rope, haulage rope pulling U-shaped clamp plate make its upset, and after the electric wire was located the upper surface of hot plate two, rotatory wind-up roll release haulage rope, under the effect of wind spring, U-shaped clamp plate was turned over towards the direction of laminating in two upper surfaces of U-shaped clamp plate to press from both sides the electric wire tightly. And finally, inserting the bolt into the bolt hole to prevent the wind-up roll from rotating. The limiting shaft sleeve is arranged, so that the phenomenon that the traction rope is intertwined and disordered with the first U-shaped clamping plate and the second U-shaped clamping plate in the winding and unwinding process is avoided.
The present invention may be further configured in a preferred embodiment as: the first heating plate and the second heating plate are arranged in a concave arc shape relative to the electric wire.
Through adopting above-mentioned technical scheme, set to concave circular-arc and be favorable to two wraps up in the electric wire outer wall that covers the ice and snow layer of hot plate one and hot plate, increase the heated area between hot plate one, hot plate two and the electric wire to be favorable to melting the ice and snow layer on the electric wire more comprehensively more.
The present invention may be further configured in a preferred embodiment as: the moving device comprises a moving box and four universal brake wheels, one end of the supporting rod, which is far away from the U-shaped clamping plate II, is fixedly connected to the upper surface of the moving box along the vertical direction, and the four universal brake wheels are respectively installed at four corners of the lower surface of the moving box.
By adopting the technical scheme, the movable box is arranged, and the universal brake wheels are arranged at the four corners of the lower surface of the movable box, so that an operator can conveniently move the support rod and the U-shaped clamping plate I and the U-shaped clamping plate II on the support rod, the ice melting device can slide on the electric wire, and the ice and snow layer on the electric wire can be melted as much as possible. In addition, the universal brake wheel is provided with a brake structure, so that an operator can conveniently stop the movable box at any position at any time.
The present invention may be further configured in a preferred embodiment as: the upper end of one side wall of the movable box is fixedly connected with a handle.
Through adopting above-mentioned technical scheme, set up the handle and make things convenient for operating personnel to promote the removal case.
The present invention may be further configured in a preferred embodiment as: the upper surface of the movable box is an inclined plane which is arranged obliquely downwards.
Through adopting above-mentioned technical scheme, hot plate one and hot plate two heat the back of melting on the ice and snow layer to the electric wire, and the ice and snow after melting becomes flowing snow water, can descend to the locomotive under the action of gravity on, sets the upper surface of locomotive to the inclined plane, is favorable to snow water to flow to ground from the inclined plane.
The present invention may be further configured in a preferred embodiment as: the power is solar cell panel, solar cell panel's lower surface is along vertical direction fixedly connected with support column, the support column is kept away from solar cell panel's one end along vertical direction fixed connection in the upper surface of removal case, solar cell panel is the slope and sets up downwards.
By adopting the technical scheme, the solar cell panel is obliquely arranged, so that snow water flowing down from the U-shaped clamping plate I and the U-shaped clamping plate II or ice and snow balls falling down from the U-shaped clamping plate I and the U-shaped clamping plate II can slide down to the ground or an inclined plane from the solar cell panel, ice and snow can be reduced from being loosened and accumulated on the solar cell panel, and the efficiency of converting received light energy into electric energy is influenced. In addition, the solar cell panel is favorable for saving resources and reducing the pollution to the environment.
To sum up, the utility model discloses a following at least one useful technological effect:
1. the utility model melts the ice and snow layer covered on the electric wire by clamping the outer wall of the electric wire by the first heating plate and the second heating plate, and pushes the moving device to enable the first U-shaped clamping plate and the second U-shaped clamping plate which clamp the electric wire to move on the electric wire more conveniently;
2. the utility model discloses a set into concave circular-arc with hot plate one and hot plate two and be favorable to increasing the heating area between hot plate one, hot plate two and the electric wire to be favorable to melting the ice and snow layer on the electric wire more comprehensively more.
Drawings
Fig. 1 is a schematic view of the overall structure of the present embodiment.
FIG. 2 is a schematic sectional view showing the connection between the first and second clevis plates.
FIG. 3 is a schematic view of the connection relationship between the U-shaped clamping plate I, the U-shaped clamping plate II and the supporting rod.
Fig. 4 is an enlarged schematic view at a in fig. 3.
In the drawings, 1, a first U-shaped clamping plate; 2. a U-shaped clamp plate II; 3. heating a first plate; 4. a second heating plate; 5. hinging a shaft; 6. a coil spring; 7. a support bar; 8. a first spring; 9. a second spring; 10. a hauling rope; 11. a wind-up roll; 12. fixing the rod; 13. a limiting shaft sleeve; 14. a mobile box; 15. a universal brake wheel; 16. a handle; 17. a bevel; 18. a solar panel; 19. a support pillar; 20. a turntable; 21. a bolt; 22. a pin hole; 23. a first limiting block; 24. a first limiting groove; 25. a second limiting block; 26. a second limiting groove; 27. a stop block.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, for the utility model discloses a three-phase transmission ice-melting device, including U-shaped splint 1 and U-shaped splint two 2, the opening of U-shaped splint 1 and U-shaped splint two 2 is relative setting, and U-shaped splint 1 and U-shaped splint two 2 all are the U-shaped, and the preferred insulating light plastics of its material, and have good thermal-insulated effect. The inside wall of U-shaped splint 1 is vertical to be slided and is connected with hot plate 3, and spacing groove 24 has been seted up on U-shaped splint 1 is the inside wall of relative setting, and spacing groove 24 sets up along vertical direction. The shape and the size of the first heating plate 3 and the second heating plate 4 are consistent. Two ends of the first heating plate 3 are fixedly connected with a first limiting block 23, the first limiting block 23 is in a long strip shape, and the first limiting block 23 is vertically connected in a first limiting groove 24 in a sliding manner. The inner side wall of the U-shaped clamping plate II 2 is vertically connected with a heating plate II 4 in a sliding mode, and the heating plate I3 and the heating plate II 4 are both arranged in a concave arc shape relative to the electric wire. The inner side wall of the U-shaped splint II 2 which is oppositely arranged is provided with a second limiting groove 26, and the second limiting groove 26 is arranged along the vertical direction. Two ends of the second heating plate 4 are fixedly connected with second limiting blocks 25, the second limiting blocks 25 are in a long strip shape, and the second limiting blocks 25 are vertically connected in second limiting grooves 26 in a sliding mode.
A first spring 8 is fixedly connected to the side wall of the first heating plate 3 far away from the second heating plate 4, and one end of the first spring 8 far away from the first heating plate 3 is vertically and fixedly connected to the lower surface of the inner side wall of the first U-shaped clamping plate 1; the side wall of the second heating plate 4 far away from the first heating plate 3 is fixedly connected with a second spring 9, and one end of the second spring 9 far away from the second heating plate 4 is vertically and fixedly connected to the upper surface of the inner side wall of the second U-shaped clamping plate 2. The first spring 8 and the second spring 9 are compression springs. The upper surface of the U-shaped clamping plate II 2 is fixedly connected with a horizontally arranged hinge shaft 5, the hinge shaft 5 is cylindrical, and the U-shaped clamping plate I1 is hinged to the outer wall of the hinge shaft 5. A coil spring 6 (see fig. 4) is sleeved on the hinge shaft 5, one end of the coil spring 6 is fixedly connected to the side wall of the hinge shaft 5, and the other end of the coil spring 6 is fixedly connected to the upper surface of the U-shaped clamping plate 2. When the coil spring 6 is not deformed, the lower surface of the first U-shaped clamp plate 1 is attached to the upper surface of the second U-shaped clamp plate 2.
Referring to fig. 1 and 2, a support rod 7 is vertically and fixedly connected to the lower surface of the second U-shaped clamp plate 2 right below the hinge shaft 5, and the support rod 7 is long. One end of the supporting rod 7, which is far away from the U-shaped clamping plate II 2, is provided with a moving device for moving the supporting rod 7, the moving device comprises a moving box 14 with an inclined surface 17 on the upper surface and four universal brake wheels 15, one end of the supporting rod 7, which is far away from the U-shaped clamping plate II 2, is fixedly connected to the upper surface of the moving box 14 along the vertical direction, and the four universal brake wheels 15 are respectively installed at four corners of the lower surface of the moving box 14. A handle 16 is fixedly connected to the upper end of one side wall of the movable box 14. The inclined surface 17 is disposed obliquely downward.
Install the power of electricity connection in hot plate one 3 and hot plate two 4 on the mobile device, the power is solar cell panel 18, and solar cell panel 18's lower surface is along vertical direction fixedly connected with support column 19, and solar cell panel 18's one end is kept away from along vertical direction fixed connection in the upper surface of removal case 14 to support column 19, and solar cell panel 18 is the slope and sets up downwards.
Referring to fig. 3 and 4, the supporting rod 7 is provided with a turnover assembly for turning over the first U-shaped clamping plate 1, the turnover assembly comprises a traction rope 10 and a cylindrical winding roller 11, the upper surface of the first U-shaped clamping plate 1 is fixedly connected with a fixing rod 12, one end of the traction rope 10 is fixedly connected to the side wall of the fixing rod 12, the winding roller 11 is vertically rotatably connected to the side wall of the supporting rod 7, and the other end of the traction rope 10 is fixedly connected to the outer wall of the winding roller 11 in a winding mode. One end fixedly connected with carousel 20 that bracing piece 7 was kept away from to wind-up roll 11, carousel 20 is discoid, the edge level of carousel 20 is pegged graft and is had bolt 21, the one end that bracing piece 7 was kept away from to bolt 21 wears to jet out carousel 20 and fixedly connected with blocks piece 27, block that piece 27 is located carousel 20 and keeps away from the one side of bracing piece 7, the cross-section that blocks piece 27 is the hexagon, bolt 21 is cylindricly, set up the bolt hole 22 that supplies bolt 21 to peg graft on the bracing piece 7 lateral wall, after the haulage rope 10 was rolled up to wind-up roll 11, insert bolt 21 in the bolt hole 22, make wind-up roll 11 can not turn round. The upper surface of the U-shaped clamp plate I1 is fixedly connected with a limiting shaft sleeve 13 along the length direction, and the limiting shaft sleeve 13 is used for being sleeved with and connected with a traction rope 10.
The implementation principle of the embodiment is as follows: the rotating disc 20 is rotated to enable the winding roller 11 to rotate, the winding roller 11 winds the traction rope 10, the U-shaped clamp plate 1 is enabled to turn over around the hinge shaft 5, after the electric wire is located on the U-shaped clamp plate II 2, the rotating disc 20 is rotated again to enable the winding roller 11 to rotate reversely, the traction rope 10 is released by the winding roller 11, under the action of the coil spring 6, the electric wire is clamped by the heating plate I3 and the heating plate II 4, the power is switched on, the heating plate I3 and the heating plate II 4 are heated to enable ice and snow on the electric wire to be heated and melted, the supporting rod 7 drives the U-shaped clamp plate I1 and the U-shaped clamp plate II 2 to move through the movable box 14.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. A three-phase transmission ice melting device is characterized in that: the clamping device comprises a U-shaped clamping plate I (1) and a U-shaped clamping plate II (2), wherein the U-shaped clamping plate I (1) and the opening of the U-shaped clamping plate II (2) are oppositely arranged, a heating plate I (3) is vertically connected to the inner side wall of the U-shaped clamping plate I (1) in a sliding manner, a heating plate II (4) is vertically connected to the inner side wall of the U-shaped clamping plate II (2) in a sliding manner, a hinge shaft (5) which is horizontally arranged is fixedly connected to the upper surface of the U-shaped clamping plate II (2), the U-shaped clamping plate I (1) is hinged to the outer wall of the hinge shaft (5), a coil spring (6) is sleeved on the hinge shaft (5), one end of the coil spring (6) is fixedly connected to the side wall of the hinge shaft (5), the other end of the coil spring (6) is fixedly connected to the upper surface of the U, the lower surface of the first U-shaped clamping plate (1) is attached to the upper surface of the second U-shaped clamping plate (2);
the lower surface of the U-shaped clamping plate II (2) is vertically and fixedly connected with a supporting rod (7), one end, far away from the U-shaped clamping plate II (2), of the supporting rod (7) is provided with a moving device used for moving the supporting rod (7), the moving device is provided with a power supply which is electrically connected with the heating plate I (3) and the heating plate II (4), and the supporting rod (7) is provided with a turning assembly used for turning the U-shaped clamping plate I (1).
2. The three-phase power transmission ice melting device according to claim 1, characterized in that: a first spring (8) is fixedly connected to the side wall, far away from the second heating plate (4), of the first heating plate (3), and one end, far away from the first heating plate (3), of the first spring (8) is vertically and fixedly connected to the lower surface of the inner side wall of the first U-shaped clamping plate (1); and a second spring (9) is fixedly connected to the side wall of the second heating plate (4) far away from the first heating plate (3), and one end, far away from the second heating plate (4), of the second spring (9) is vertically and fixedly connected to the upper surface of the inner side wall of the second U-shaped clamping plate (2).
3. The three-phase power transmission ice melting device according to claim 1, characterized in that: the turnover assembly comprises a traction rope (10) and a winding roller (11), a fixing rod (12) is fixedly connected to the upper surface of the U-shaped clamp plate I (1) in a vertical mode, one end of the traction rope (10) is fixedly connected to the side wall of the fixing rod (12), the winding roller (11) is rotatably connected to the side wall of the supporting rod (7), the rotating axis of the winding roller (11) is arranged along the horizontal direction, the traction rope (10) is wound on the outer wall of the winding roller (11), the tail end of the traction rope is fixedly connected to the winding roller (11), one end, far away from the supporting rod (7), of the winding roller (11) is fixedly connected with a turntable (20), a bolt (21) is horizontally inserted at the edge of the turntable (20), one end, far away from the supporting rod (7), of the bolt (21) penetrates out of the turntable (20) and is fixedly connected with a blocking block (27, a bolt hole (22) for inserting the bolt (21) is formed in the side wall of the supporting rod (7), and when the bolt (21) is located in the bolt hole (22), the winding roller (11) cannot rotate;
the upper surface of the U-shaped splint I (1) is fixedly connected with a limiting shaft sleeve (13) which is used for being sleeved with the traction rope (10) along the length direction of the U-shaped splint I.
4. The three-phase power transmission ice melting device according to claim 1, characterized in that: the first heating plate (3) and the second heating plate (4) are arranged in a concave arc shape relative to the electric wire.
5. The three-phase power transmission ice melting device according to claim 1, characterized in that: the moving device comprises a moving box (14) and four universal brake wheels (15), one end of the supporting rod (7) far away from the U-shaped clamping plate II (2) is fixedly connected to the upper surface of the moving box (14) in the vertical direction, and the four universal brake wheels (15) are respectively installed at four corners of the lower surface of the moving box (14).
6. The three-phase power transmission ice melting device according to claim 5, characterized in that: a handle (16) is fixedly connected to the upper end of one side wall of the movable box (14).
7. The three-phase power transmission ice melting device according to claim 6, characterized in that: the upper surface of the movable box (14) is an inclined surface (17), and the inclined surface (17) is arranged obliquely downwards.
8. The three-phase power transmission ice melting device according to claim 5, characterized in that: the power is solar cell panel (18), solar cell panel (18)'s lower surface is along vertical direction fixedly connected with support column (19), support column (19) are kept away from the one end of solar cell panel (18) along vertical direction fixed connection in the upper surface of removal case (14), solar cell panel (18) are the slope and set up downwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020888089.0U CN212012079U (en) | 2020-05-22 | 2020-05-22 | Three-phase transmission ice melting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020888089.0U CN212012079U (en) | 2020-05-22 | 2020-05-22 | Three-phase transmission ice melting device |
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| CN212012079U true CN212012079U (en) | 2020-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020888089.0U Active CN212012079U (en) | 2020-05-22 | 2020-05-22 | Three-phase transmission ice melting device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114006340A (en) * | 2021-11-11 | 2022-02-01 | 中国南方电网有限责任公司超高压输电公司百色局 | Electric wire deicing device |
-
2020
- 2020-05-22 CN CN202020888089.0U patent/CN212012079U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114006340A (en) * | 2021-11-11 | 2022-02-01 | 中国南方电网有限责任公司超高压输电公司百色局 | Electric wire deicing device |
| CN114006340B (en) * | 2021-11-11 | 2024-04-02 | 中国南方电网有限责任公司超高压输电公司百色局 | Wire deicing device |
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