CN210898284U - Transmission conductor cleaning device reaches transmission line including it - Google Patents
Transmission conductor cleaning device reaches transmission line including it Download PDFInfo
- Publication number
- CN210898284U CN210898284U CN201921393513.8U CN201921393513U CN210898284U CN 210898284 U CN210898284 U CN 210898284U CN 201921393513 U CN201921393513 U CN 201921393513U CN 210898284 U CN210898284 U CN 210898284U
- Authority
- CN
- China
- Prior art keywords
- outer barrel
- barrel
- driving motor
- wire
- transmission line
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Cleaning In General (AREA)
Abstract
The utility model relates to a transmission line foreign matter clearing device field especially relates to a transmission line cleaning device and include its transmission line, and this transmission line cleaning device includes that both ends all shield the urceolus of inner chamber through the baffle, the forward end of urceolus is equipped with the cutting knife, be equipped with in the inner chamber of urceolus rotate connect on two baffles and with two baffle axial stop complex inner tubes, be equipped with on the urceolus and be used for the drive inner tube pivoted rotation actuating mechanism, wear to be equipped with a plurality of extending direction rolls of corresponding spiral groove on the wire and advance and support simultaneously on the inner tube the ball of urceolus inner wall, the while drive that each ball rolls each cutting knife that advances on the baffle drives the urceolus advances and cuts the foreign matter on the wire. The utility model discloses a rotation actuating mechanism provides the power that moves ahead, consequently only need go up the personnel that the tower was maintained start with close rotation actuating mechanism can, application range is wide.
Description
Technical Field
The utility model relates to a transmission line foreign matter clearing device field especially relates to a transmission line cleaning device and include its transmission line.
Background
Because the breadth of the population is wide and the density distribution of energy sources and population in China is quite unbalanced, electric energy as one of main energy sources needs to be transmitted by a high-voltage or even ultrahigh-voltage transmission line for a long distance, a transmission network with various specifications and regulation places such as transformer substations and the like jointly form a unique power grid mechanism, and a lead of a line for high-voltage transmission is usually formed by twisting multiple strands of leads, so that a spiral groove extending along the guide extending direction is formed between the leads of adjacent strands. High voltage lines are usually erected high enough to avoid harm to personnel, and wires erected at high altitudes are therefore also referred to as overhead lines or overhead lines.
After the overhead line is put into use, sundries such as kites, plastic bags or bird droppings can be wound frequently, and the hidden danger of damaging the safe operation of the line is formed. At present, the common cleaning method relies on a long insulating rod to clean sundries, but the operation height is greatly limited, the safety is low, and the cleaning method has the problems of power failure or electrified manual online cleaning, and has high labor intensity and low efficiency.
In order to improve the above situation, a number of improvements have been made by technicians in the power industry, for example, chinese patent publication No. CN109687346A discloses a device for removing charged foreign matters from a power transmission line, which includes a left bracket, a right bracket, a wheel shaft, pulleys, a hanging ring, etc., wherein an operator pulls the left bracket and the right bracket with an insulating rope to roll the pulleys on a wire, and then cuts the foreign matters on the surface of the wire back and forth by a blade formed by an arc groove arranged along the circumferential direction of the pulleys until the foreign matters fall off. However, the technical scheme is troublesome to operate, requires cooperation of personnel on the ground, and cannot be used in places with complicated ground environments, so that the technical scheme has great application limitation.
SUMMERY OF THE UTILITY MODEL
The utility model provides a transmission line cleaning device to there is the problem of great suitable limitation in solution prior art. Still provide simultaneously one kind and include above-mentioned transmission conductor cleaning device's transmission line.
The utility model discloses a transmission line cleaning device adopts following technical scheme:
a power transmission lead cleaning device comprises an outer barrel, wherein the two ends of the outer barrel are respectively shielded by a baffle plate, an inner cavity is formed in the inner cavity of the outer barrel, a plurality of cutting knives used for cutting foreign matters on corresponding leads are arranged at the advancing end of the outer barrel, an inner barrel which is rotatably connected to the two baffle plates and is in axial stop fit with the two baffle plates is arranged in the inner cavity of the outer barrel, through holes used for enabling the corresponding leads to penetrate through the inner barrel are formed in the two baffle plates, a rotation driving mechanism used for driving the inner barrel to rotate is arranged on the outer barrel, a plurality of balls used for driving the inner barrel to roll along the extending direction of corresponding spiral grooves on the leads and simultaneously supporting the inner wall of the outer barrel are arranged on the inner barrel in a penetrating mode, and the baffles are driven to advance when the balls roll and advance so as.
The rotation driving mechanism comprises a driving motor fixedly installed on the outer barrel and a storage battery used for supplying energy to the driving motor, and the driving end of the driving motor is in driving connection with the inner barrel gear.
The driving motor and the storage battery are fixedly arranged at the lower side part of the outer barrel, and a solar panel used for charging the storage battery is arranged on one side of the outer barrel, which is opposite to the driving motor and the storage battery.
And the positions of the outer barrel where the driving motor and the storage battery are arranged are provided with balancing weights for preventing the outer barrel from overturning when being driven to advance.
Each cutting knife distributes around the wire and is the tip in the front, the main aspects right angle triangle form behind to two right-angle sides of each cutting knife are equallyd divide and are corresponded respectively and paste and lean on urceolus and wire, and the cutting edge of each cutting knife is located its hypotenuse that corresponds, thereby when each cutting knife marchs the cutting edge on the hypotenuse break open with cut the foreign matter on the wire.
The utility model discloses a transmission line adopts following technical scheme:
a power transmission line comprises a power transmission lead and an overhead tower for fixing the power transmission lead in an empty state, wherein a power transmission lead cleaning device for cleaning foreign matters is arranged on the power transmission lead, the power transmission lead cleaning device comprises an outer barrel, the two ends of the outer barrel are respectively shielded by a baffle plate, a plurality of cutting knives for cutting foreign matters on corresponding leads are arranged at the advancing end of the outer barrel, an inner barrel which is rotatably connected to the two baffle plates and is in axial stop fit with the two baffle plates is arranged in the inner cavity of the outer barrel, through holes for the corresponding leads to pass through the inner barrel are respectively arranged on the two baffle plates, a rotation driving mechanism for driving the inner barrel to rotate is arranged on the outer barrel, a plurality of balls for rolling along the extending direction of corresponding spiral grooves on the leads and simultaneously supporting the inner wall of the outer barrel are arranged on the inner barrel in a penetrating manner when the rotation driving mechanism drives the, and the ball bearings roll and advance and simultaneously drive the baffle plate to advance so as to drive the cutting knives on the outer cylinder to advance and cut foreign matters on the lead.
The rotation driving mechanism comprises a driving motor fixedly installed on the outer barrel and a storage battery used for supplying energy to the driving motor, and the driving end of the driving motor is in driving connection with the inner barrel gear.
The driving motor and the storage battery are fixedly arranged at the lower side part of the outer barrel, and a solar panel used for charging the storage battery is arranged on one side of the outer barrel, which is opposite to the driving motor and the storage battery.
And the positions of the outer barrel where the driving motor and the storage battery are arranged are provided with balancing weights for preventing the outer barrel from overturning when being driven to advance.
Each cutting knife distributes around the wire and is the tip in the front, the main aspects right angle triangle form behind to two right-angle sides of each cutting knife are equallyd divide and are corresponded respectively and paste and lean on urceolus and wire, and the cutting edge of each cutting knife is located its hypotenuse that corresponds, thereby when each cutting knife marchs the cutting edge on the hypotenuse break open with cut the foreign matter on the wire.
The utility model has the advantages that: the utility model is provided with the outer cylinder and the inner cylinder which is rotationally arranged in the inner cavity of the outer cylinder, the balls which are penetrated on the inner cylinder can roll and advance along the corresponding spiral groove on the wire when the inner cylinder is driven to rotate by the rotational driving mechanism on the outer cylinder, the advancing of the balls drives the advancing of the inner cylinder, the inner cylinder is in a state of rotational advancing at the moment, the advancing of the inner cylinder drives the advancing of the outer cylinder through the baffle, the cutting knife positioned on the advancing end of the outer cylinder advances with the inner cylinder, and finally, the aim of cutting and removing foreign matters on the transmission wire without manual operation is achieved, the utility model provides advancing power through the rotational driving mechanism arranged on the outer cylinder, the energy of the rotational driving structure can come from wind power, solar energy and the like, therefore, the rotational driving mechanism on the utility model can be started and closed by the cooperation of personnel who only need to go up, the problem of prior art have great application limitation is solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a front view of an embodiment of a power transmission conductor cleaning apparatus of the present invention;
FIG. 2 is a schematic view of the structure corresponding to FIG. 1;
FIG. 3 is a right side view corresponding to FIG. 1;
FIG. 4 is an enlarged schematic view of detail A of FIG. 2;
FIG. 5 is an enlarged schematic view of detail B of FIG. 2;
in the figure: 1. a wire; 2. an outer cylinder; 21. an inner barrel; 22. a ball bearing; 23. a tailgate; 24. a front baffle; 31. a driving gear; 311. a gear retainer ring; 312. an inner baffle ring; 4. a drive motor; 41. a switch; 5. a storage battery; 6. a balancing weight; 7. a solar panel; 71. a charging wire; 8. a fixing plate; 81. a fixed leg; 9. a cutting knife.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model discloses an embodiment of a transmission line cleaning device, as shown in fig. 1-5, a transmission line cleaning device, including both ends all shield urceolus 2 of inner chamber through the baffle, two baffles divide into preceding baffle 24 and backplate 23 according to the front and back order of advancing direction, the forward end of urceolus 2 is equipped with a plurality of cutting knives 9 that are used for cutting the foreign matter on the wire 1, be equipped with in the inner chamber of urceolus 2 and rotate and connect on two baffles and with two baffle axial stop complex inner tubes 21, all be equipped with the through-hole that is used for wire 1 to pass from inner tube 21 on two baffles, be equipped with on the urceolus 2 and be used for driving inner tube 21 pivoted rotation actuating mechanism, wear to be equipped with a plurality of ball 22 that are used for rolling when rotating actuating mechanism drive inner tube 21 and advance and support urceolus 2 inner wall simultaneously along the extending direction of corresponding spiral groove on the wire 1, each ball 22 rolls and advances when advancing and drives the baffle and thereby drives each cutting knife 9 on The foreign materials on the wire 1 are advanced and cut.
The rotation driving mechanism comprises a driving motor 4 fixedly arranged on the outer cylinder 2 and a storage battery 5 used for supplying power to the driving motor 4, and the driving end of the driving motor 4 is in gear driving connection with the inner cylinder 21.
In this embodiment, the driving motor 4 and the storage battery 5 are fixedly installed at a lower side portion of the outer tube 2, a solar panel 7 for charging the storage battery 5 is disposed at a side of the outer tube 2 opposite to the driving motor 4 and the storage battery 5, and the solar panel 7 is connected with the storage battery 5 through a charging wire 71 to charge the storage battery 5.
In the embodiment, for the convenience of maintenance, the driving motor 4 and the storage battery 5 are arranged at the lower side of the outer cylinder 2, and the output end of the driving motor 4 is provided with a driving gear 31 and corresponds to the rear end of the inner cylinder 21; the front baffle 24 is provided with a circular groove, the front end of the inner cylinder 21 is rotatably assembled in the circular groove, the inner cylinder 21 can pass through a through hole on the rear baffle 23, the inner side of the rear baffle 23 is also provided with a circular groove, the rear end of the inner cylinder 21 is penetrated in the through hole of the rear baffle 23, an inner baffle ring 312 with an L-shaped section is fixed at the position of the inner cylinder 21 corresponding to the circular groove on the rear baffle 23, and the inner baffle ring 312 is rotatably connected with the circular groove, so that the inner cylinder 21 is prevented from being separated from the outer cylinder 2 while the inner cylinder 21 is ensured to rotate; the rear end of the inner cylinder 21 is fixed with a driven gear in driving connection with the driving gear 31 through a gear retainer ring 311, and the driving gear 31 is in driving connection with the driven gear, so that the driving motor 4 is in gear driving connection with the inner cylinder 21.
A balancing weight 6 for preventing the outer cylinder 2 from overturning when the outer cylinder 2 is driven to move is arranged on the outer cylinder 2 where the driving motor 4 and the storage battery 5 are positioned.
In this embodiment, in order to fix the solar panel stably, the driving motor 4, the battery 5 and the weight block 6 are fixed on the fixing plate 8, the fixing plate 8 is fixed on the outer barrel 2 through the fixing support 81, and the solar panel 7 is also fixed through the fixing support 81.
Each cutting knife 9 distributes around wire 1 and is the tip in the front, the right angle triangle-shaped of main aspects back to two right-angle sides of each cutting knife 9 are equallyd divide and are corresponded respectively and paste and lean on urceolus 2 and wire 1, and the cutting edge of each cutting knife 9 is located its hypotenuse that corresponds, thereby when each cutting knife 9 marchs the cutting edge on the hypotenuse break open with cut the foreign matter on the wire 1.
In the present embodiment, the switch 41 on the driving motor 4 is a switch 41 capable of rotating the driving motor 4 in the forward direction and the reverse direction, and the driving motor 4 is a reduction motor capable of rotating in the forward direction and the reverse direction.
In other embodiments, the rotation driving mechanism can also be a wind power rotating fan blade which is connected with the inner cylinder in a rotation driving way; the solar panels may also be replaced by wind generators.
In other embodiments, the rotation driving mechanism may also be disposed between the outer cylinder and the inner cylinder, and the through holes of the front baffle and the rear baffle only allow the wires to pass through.
During the specific use, operating personnel climbs the overhead tower, switch 41 through driving motor 4 starts driving motor 4, thereby it is rotatory to drive inner tube 21 that driving gear 31 drives driven gear, the rotation of inner tube 21 orders about ball 22 and rolls along the spiral groove on the wire 1 and marchs, and ball 22 drives inner tube 21 again and advances along the extending direction of wire 1, inner tube 21 presents the mode that the spiral was marchd this moment, baffle 24 drives urceolus 2 and gos forward before the forward drive of inner tube 21, urceolus 2 drives cutting knife 9 again and advances, thereby cutting knife 9 twines the kite that hangs on with wire 1, broken tearing such as plastics are torn open and are clear away with the cutting, this in-process is because the action of gravity of balancing weight 6 etc., urceolus 2 is rotatory not following the inner tube, in addition, the side that preceding baffle 24 is used for fixed cutting knife 9 can also act as the face of. After this transmission conductor 1 cleaning device moves next door overhead tower, operating personnel on next door overhead tower operating switch 41 makes driving motor 4 reverse direction move, then can make this transmission conductor 1 cleaning device return the original way, is convenient for use next time.
The utility model is provided with the outer cylinder 2 and the inner cylinder 21 which is rotationally arranged in the inner cavity of the outer cylinder 2, the ball 22 which is arranged on the inner cylinder 21 in a penetrating way can roll along the corresponding spiral groove on the lead 1 when the inner cylinder 21 is driven to rotate by the rotation driving mechanism on the outer cylinder 2, the ball 22 drives the inner cylinder 21 to advance, at the moment, the inner cylinder 21 is in a state of rotating and advancing, the inner cylinder 21 advances to drive the outer cylinder 2 by the baffle, the cutting knife 9 which is positioned at the advancing end of the outer cylinder 2 advances with the inner cylinder, and finally, the aim of cutting and clearing the foreign matters on the transmission lead without manual operation is achieved, the utility model provides advancing power by the rotation driving mechanism which is arranged on the outer cylinder 2, the energy of the rotation driving structure can be derived from wind power, solar energy and the like, therefore, the personnel who only need to maintain on the tower can, the operation of driving is not needed to be carried out on the ground by an operator, and the problem of great application limitation in the prior art is solved.
A power transmission line comprises a power transmission lead and an overhead tower for fixing the power transmission lead in an empty mode, wherein a power transmission lead cleaning device for cleaning foreign matters is arranged on the power transmission lead, and the power transmission lead cleaning device is the power transmission lead cleaning device, so that the details are omitted.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A transmission line cleaning device characterized in that: the wire cutting device comprises an outer barrel, wherein the two ends of the outer barrel are respectively shielded by a baffle plate, the advancing end of the outer barrel is provided with a plurality of cutting knives for cutting foreign matters on corresponding wires, the inner cavity of the outer barrel is internally provided with an inner barrel which is rotatably connected to the two baffle plates and is in axial stop fit with the two baffle plates, the two baffle plates are respectively provided with a through hole for the corresponding wire to pass through from the inner barrel, the outer barrel is provided with a rotation driving mechanism for driving the inner barrel to rotate, the inner barrel is provided with a plurality of balls which are used for rolling to advance along the extending direction of corresponding spiral grooves on the wire and simultaneously supporting the inner wall of the outer barrel when the rotation driving mechanism drives the inner barrel, and the balls drive the baffle plates to advance while rolling to drive the cutting knives on the outer.
2. A power conductor cleaning apparatus as claimed in claim 1, characterized in that: the rotation driving mechanism comprises a driving motor fixedly installed on the outer barrel and a storage battery used for supplying energy to the driving motor, and the driving end of the driving motor is in driving connection with the inner barrel gear.
3. A power conductor cleaning apparatus as claimed in claim 2, characterized in that: the driving motor and the storage battery are fixedly arranged at the lower side part of the outer barrel, and a solar panel used for charging the storage battery is arranged on one side of the outer barrel, which is opposite to the driving motor and the storage battery.
4. A power conductor cleaning apparatus as claimed in claim 3, characterized in that: and the positions of the outer barrel where the driving motor and the storage battery are arranged are provided with balancing weights for preventing the outer barrel from overturning when being driven to advance.
5. A power conductor cleaning apparatus as claimed in claim 1, characterized in that: each cutting knife distributes around the wire and is the tip in the front, the main aspects right angle triangle form behind to two right-angle sides of each cutting knife are equallyd divide and are corresponded respectively and paste and lean on urceolus and wire, and the cutting edge of each cutting knife is located its hypotenuse that corresponds, thereby when each cutting knife marchs the cutting edge on the hypotenuse break open with cut the foreign matter on the wire.
6. The utility model provides a transmission line, includes transmission conductor and is used for with the empty fixed overhead tower of transmission conductor frame, be equipped with the transmission conductor cleaning device who is used for clearing up the foreign matter on the transmission conductor, its characterized in that: the cleaning device for the power transmission lead comprises an outer barrel, wherein the two ends of the outer barrel are shielded by baffles, an inner barrel is arranged at the advancing end of the outer barrel and is used for cutting foreign matters on corresponding leads, an inner barrel which is rotatably connected to the two baffles and is in axial stop fit with the two baffles is arranged in the inner cavity of the outer barrel, through holes for the corresponding leads to pass through from the inner barrel are arranged on the two baffles, a rotation driving mechanism for driving the inner barrel to rotate is arranged on the outer barrel, a plurality of balls which are used for driving the inner barrel to roll along the extending direction of corresponding spiral grooves on the leads and simultaneously support the inner wall of the outer barrel when the rotation driving mechanism drives the inner barrel are arranged on the inner barrel in a penetrating mode, and the baffles are driven to advance while rolling to drive the balls to advance so as to drive the cutting knives.
7. An electric transmission line according to claim 6, characterized in that: the rotation driving mechanism comprises a driving motor fixedly installed on the outer barrel and a storage battery used for supplying energy to the driving motor, and the driving end of the driving motor is in driving connection with the inner barrel gear.
8. An electric transmission line according to claim 7, characterized in that: the driving motor and the storage battery are fixedly arranged at the lower side part of the outer barrel, and a solar panel used for charging the storage battery is arranged on one side of the outer barrel, which is opposite to the driving motor and the storage battery.
9. An electric transmission line according to claim 8, characterized in that: and the positions of the outer barrel where the driving motor and the storage battery are arranged are provided with balancing weights for preventing the outer barrel from overturning when being driven to advance.
10. An electric transmission line according to claim 9, characterized in that: each cutting knife distributes around the wire and is the tip in the front, the main aspects right angle triangle form behind to two right-angle sides of each cutting knife are equallyd divide and are corresponded respectively and paste and lean on urceolus and wire, and the cutting edge of each cutting knife is located its hypotenuse that corresponds, thereby when each cutting knife marchs the cutting edge on the hypotenuse break open with cut the foreign matter on the wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921393513.8U CN210898284U (en) | 2019-08-26 | 2019-08-26 | Transmission conductor cleaning device reaches transmission line including it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921393513.8U CN210898284U (en) | 2019-08-26 | 2019-08-26 | Transmission conductor cleaning device reaches transmission line including it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210898284U true CN210898284U (en) | 2020-06-30 |
Family
ID=71315956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921393513.8U Active CN210898284U (en) | 2019-08-26 | 2019-08-26 | Transmission conductor cleaning device reaches transmission line including it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210898284U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110601069A (en) * | 2019-08-26 | 2019-12-20 | 国网河南省电力公司三门峡供电公司 | Transmission conductor cleaning device reaches transmission line including it |
-
2019
- 2019-08-26 CN CN201921393513.8U patent/CN210898284U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110601069A (en) * | 2019-08-26 | 2019-12-20 | 国网河南省电力公司三门峡供电公司 | Transmission conductor cleaning device reaches transmission line including it |
| CN110601069B (en) * | 2019-08-26 | 2024-08-02 | 国网河南省电力公司三门峡供电公司 | Power transmission wire cleaning device and power transmission line comprising same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110601069B (en) | Power transmission wire cleaning device and power transmission line comprising same | |
| CN112531580B (en) | Electric power cable wire stripping equipment | |
| CN202395381U (en) | Eliminator for winding substances of overhead conductor | |
| CN102208774B (en) | Mechanical foreign matter cleaner of earth wires on transmission line | |
| CN103972815A (en) | Unmanned and automatic power transmission line cleaning device | |
| CN210898284U (en) | Transmission conductor cleaning device reaches transmission line including it | |
| CN209561867U (en) | Electric lifting lightning rod | |
| CN201829864U (en) | Clearer for foreign matters on lead | |
| CN212387473U (en) | Transformer substation's wiring appurtenance | |
| CN208738747U (en) | A kind of waste and old cable peeling device | |
| CN202495709U (en) | Foreign matter removing device of overhead transmission lines | |
| CN211818452U (en) | Device for preventing plant from climbing along inclined pull line | |
| CN210084604U (en) | Electric power construction project management device | |
| CN106857494A (en) | A kind of laser bird dispeller | |
| CN112350218A (en) | Foreign matter removing device for power transmission line | |
| CN206909541U (en) | A kind of Intelligent Laser bird-scaring unit suitable for transmission line of electricity | |
| CN107302205B (en) | High-altitude transmission line deicer | |
| CN102904189A (en) | Device for removing foreign objects hung on overhead transmission line | |
| CN202004366U (en) | Mechanical foreign object remover for ground wire of electric transmission line | |
| CN102891452B (en) | Overhead transmission line hanging foreign body eliminating apparatus | |
| CN207868710U (en) | Power cable foreign matter cleaning device | |
| CN212874795U (en) | Automatic grounding device for high-voltage equipment test | |
| CN111987640B (en) | Line foreign matter clearing device for emergency repair operation of power distribution network engineering | |
| CN210273311U (en) | Suspension type high-span power transmission conductor foreign matter live-line removing device | |
| CN212366652U (en) | Be applied to draw gear of cable laying |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |