CN214589302U - A new type of grounding device for maintenance of UHV lines - Google Patents
A new type of grounding device for maintenance of UHV lines Download PDFInfo
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- CN214589302U CN214589302U CN202022316173.8U CN202022316173U CN214589302U CN 214589302 U CN214589302 U CN 214589302U CN 202022316173 U CN202022316173 U CN 202022316173U CN 214589302 U CN214589302 U CN 214589302U
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- voltage line
- grounding device
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- 238000012423 maintenance Methods 0.000 title abstract description 9
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 13
- 230000009471 action Effects 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 6
- 238000010276 construction Methods 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 239000004677 Nylon Substances 0.000 description 5
- 229920001778 nylon Polymers 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 210000005069 ears Anatomy 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
本实用新型涉及高压设备技术领域，且公开了一种特高压线路新型检修用接地装置，包括导流管和保护壳。该特高压线路新型检修用接地装置，通过无线控制模块控制直流电机启停以及转动方向，直流电机通电转动时带动螺纹杆转动，此时螺纹套在螺纹杆的带动下向上或者向下运动，这个过程中螺纹套带动连接板运动，从而使得夹头以转动轴为圆心转动，进而实现了夹头之间的闭合和张开动作，从而很方便的与导流管进行夹取连接，该装置通过一系列的机械结构使得原本需要人工进行接和拆接地线转变为远程控制，相对于人工进行安装装拆而言效果更好的同时更加的快速，在特高压线路上施工时更加快速的作业，同时能够间接的增加工作人员的安全性。
The utility model relates to the technical field of high-voltage equipment, and discloses a novel grounding device for maintenance of ultra-high-voltage lines, which comprises a diversion pipe and a protective shell. This new type of grounding device for maintenance of UHV lines controls the start, stop and rotation direction of the DC motor through the wireless control module. When the DC motor is powered on and rotates, it drives the threaded rod to rotate. At this time, the threaded sleeve moves up or down under the drive of the threaded rod. During the process, the threaded sleeve drives the connecting plate to move, so that the collet rotates with the rotation axis as the center of the circle, thereby realizing the closing and opening actions between the collets, so as to easily connect with the guide tube. A series of mechanical structures make it necessary to manually connect and remove the ground wire into remote control. Compared with manual installation and disassembly, the effect is better and faster, and the construction on UHV lines is faster. At the same time It can indirectly increase the safety of workers.
Description
Technical Field
The utility model relates to a high-tension apparatus technical field specifically is a novel maintenance of extra-high voltage line is with earthing device.
Background
The ultra-high voltage transmission line is used for transmitting electric energy in voltage grades of +/-800 kV or more direct current and 1000 kV or more alternating current, the ultra-high voltage transmission is developed on the basis of ultra-high voltage transmission, the purpose is to continuously improve the transmission capacity, realize high-power medium and long-distance transmission and realize long-distance power system interconnection to build a combined power system, and the transmission power of the 1000 kilovolt high-voltage alternating current transmission line is about 4 to 5 times of that of a 500 kV line; the +/-800 kV direct-current ultra-high voltage transmission capacity is more than twice of that of a +/-500 kV line, and meanwhile, under the condition that the ultra-high voltage alternating-current line transmits the same power, the farthest transmission distance can be prolonged by 3 times, and the loss is only 25% -40% of that of the 500 kV line.
The extra-high voltage line on the market needs to be periodically overhauled in order to guarantee the safety of the extra-high voltage line, a large amount of grounding wires need to be hung in the process of overhauling, then multi-split type security grounding wires need to be hung, the multi-split type security grounding wires are simple to use, the hanging process is complex, the workload is large, certain potential safety hazards exist in the implementation process, the wire is damaged in the mode, and therefore the novel earthing device for overhauling the extra-high voltage line is provided to solve the problem.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The not enough to prior art, the utility model provides a novel earthing device for maintenance of extra-high voltage line possesses advantages such as avoiding the wire to damage, has solved the problem that the wire damaged.
(II) technical scheme
For realizing the above-mentioned wire damage of avoiding, can realize the purpose of the good ground connection of wire simultaneously again, the utility model provides a following technical scheme: a novel grounding device for overhauling an extra-high voltage line comprises a flow guide pipe and a protective shell, wherein the bottom of the flow guide pipe is fixedly connected with two connecting vertical plates and one mounting plate, the bottom of the mounting plate is fixedly connected with a confluence wire clamp body, the outer surface of the confluence wire clamp body is fixedly connected with a clamping cover, the front side and the rear side of the confluence wire clamp body and the bottom of the mounting plate are both fixedly connected with hoops, the front side wall and the rear side wall in the protective shell are respectively and fixedly connected with a battery and a wireless control module, the inside of the protective shell is fixedly connected with a direct current motor, the bottom of the direct current motor is fixedly connected with a motor support connected with the protective shell, an output shaft of the direct current motor is fixedly connected with a threaded rod extending to the lower part of the protective shell, the inside of the motor support is fixedly connected with a bearing seat connected with the threaded rod, and the bottom of the protective shell is fixedly connected with a piston rod, the outer part of the piston rod is sleeved with a spring cylinder, the bottom of the piston rod is fixedly connected with a pressure spring connected with the spring cylinder, the outer part of the spring cylinder is sleeved with a connecting block, two rotating shafts with the number being two are fixedly connected between the front side wall and the rear side wall in the connecting block, the outer part of the rotating shafts is sleeved with a chuck contacted with a flow guide pipe, the outer part of the threaded rod is sleeved with a threaded sleeve which is positioned in the connecting block and matched with the threaded rod, the threaded sleeve and the chuck are movably connected through a connecting plate, the front side and the rear side of the chuck are both fixedly connected with a grounding annealed copper wire, the left side of the piston rod is fixedly connected with a pin body, the left side of the pin body is inserted with a movable rod extending into the piston rod, the outer part of the movable rod is sleeved with a movable plate positioned in the pin body, the left side of the movable plate is fixedly connected with a reset spring connected with the pin body, and the inner part of the pin body is movably connected with an eccentric handle, and the inside of the connecting block is fixedly connected with a travel switch which is contacted with the flow guide pipe.
Preferably, the hoop is three pairs, the middle of the hoop is a pair, the hoop comprises two clamps and four connecting and mounting plates, the two clamps are fixedly connected with the two connecting and mounting plates on the opposite sides, and the two connecting and mounting plates are symmetrically distributed.
Preferably, the clamping covers are eight in number, and the eight clamping covers are distributed in an annular equidistant mode.
Preferably, the left side of the piston rod is provided with a positioning clamping groove which is a cylindrical groove.
Preferably, well cavity has been seted up to the inside of round pin body, and the left side of round pin body is pegged graft and is had the movable rod that runs through well cavity and extend to positioning channel section inside, and the fly leaf that is located well cavity inside has been cup jointed to the outside of movable rod, the left side fixedly connected with of fly leaf cup joint in the movable rod outside and with well cavity intracavity left side wall connected reset spring.
Preferably, the pin body comprises the cylinder piece that quantity is one and the riser that quantity is two, and the left side fixedly connected with quantity of cylinder piece is the riser of two, two around the swing joint have eccentric handle between the riser.
Preferably, the eccentric handle comprises two rotating connecting shafts and one eccentric handle, and the rotating connecting shafts are fixedly connected to the front side wall and the rear side wall of the eccentric handle.
Preferably, the dc motor is located between the battery and the wireless control module, the battery is electrically connected to the dc motor, and the wireless control module is in signal connection with the dc motor.
Preferably, one side, opposite to each other, of each of the two chucks is provided with a groove, and each groove is a circular groove.
(III) advantageous effects
Compared with the prior art, the utility model provides a novel earthing device for maintenance of extra-high voltage line possesses following beneficial effect:
1. this novel earthing device for overhauls of extra-high voltage line, open through wireless control module control direct current motor and open and stop and the direction of rotation, the threaded rod is driven and rotates when direct current motor circular telegram rotates, upwards or downstream under the drive of threaded rod at this moment the thread bush, this in-process thread bush drives the connecting plate motion, thereby make the chuck use the axis of rotation to rotate as the centre of a circle, and then realized the closure between the chuck and open the action, thereby very convenient press from both sides with the honeycomb duct and get and be connected, the device makes originally need the manual work to connect and disconnect the ground wire and change remote control into through a series of mechanical structure, press from both sides more fast when pressing from both sides the effect better for the manual work is installed and removed, faster operation when the construction on extra-high voltage line, increase staff's security that can be indirect simultaneously.
2. This novel earthing device for overhaul of extra-high voltage line, make the confluence fastener body can be connected simultaneously with eight extra-high voltage line through eight double-layered lids, through the outside of fixing the staple bolt at the steel pipe in extra-high voltage line, three pairs of staple bolt combined action make confluence fastener body can be fixed more stable when using this moment, and when having guaranteed original string type structure this moment through using jointly with chuck and honeycomb duct, eight wires ground connection simultaneously has been satisfied, direct switch-on wire and damage wire have been avoided, chuck isotructure small in size and light make constructor of being convenient for carry the tower, realize earth connection installation and dismantlement through electric mode, can effectively accomplish the faradic electricity ground connection.
Drawings
Fig. 1 is a schematic structural view of a novel grounding device for overhauling an extra-high voltage line, which is provided by the utility model;
fig. 2 is a left side view of the novel grounding device for overhauling the extra-high voltage line provided by the utility model;
fig. 3 is a schematic diagram of connection of 9 and 12 in the structure diagram 1 of the novel grounding device for extra-high voltage line maintenance provided by the utility model;
fig. 4 is a schematic diagram of connection of 9 and 12 in the structure diagram 2 of the novel grounding device for extra-high voltage line maintenance provided by the utility model;
fig. 5 is the utility model provides a novel for overhauls of extra-high voltage circuit earthing device structure diagram 3 in the enlarged schematic diagram of A department.
In the figure: the device comprises a flow guide pipe 1, a return spring 2, a mounting plate 3, a line clamp body 4, a clamping cover 5, a connecting vertical plate 6, a hoop 7, a clamping head 8, a protective shell 9, a battery 10, a wireless control module 11, a direct current motor 12, a motor support 13, a bearing seat 14, a piston rod 15, a spring barrel 16, a pressure spring 17, a connecting block 18, a threaded rod 19, a threaded sleeve 20, a connecting plate 21, a rotating shaft 22, a grounding annealed copper wire 23, a positioning clamping groove 24, a pin body 25, an eccentric handle 26, a hollow cavity 27, a movable rod 28, a movable plate 29 and a travel switch 30.
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.
Referring to fig. 1-5, a novel grounding device for extra-high voltage line maintenance comprises a flow guide tube 1 and a protective shell 9, wherein the flow guide tube 1 is composed of a flow guide tube body and a nylon cushion, the top of the flow guide tube body is fixedly connected with the nylon cushion which is contacted with a travel switch 30, the nylon cushion plays a role of protecting the travel switch 30, the travel switch 30 is prevented from being directly contacted with the flow guide tube body, the nylon cushion plays an insulating role, the bottom of the flow guide tube 1 is fixedly connected with two connecting vertical plates 6 and one mounting plate 3, the bottom of the mounting plate 3 is fixedly connected with a confluence clamp body 4, the outer surface of the confluence clamp body 4 is fixedly connected with clamp covers 5, the clamp covers 5 are eight in total, the eight clamp covers 5 are distributed in an annular equidistant manner, the front side and the back side of the confluence clamp body 4 and the bottom of the mounting plate 3 are fixedly connected with anchor ears 7, and the anchor ears 7 are three pairs, the middle hoop 7 is composed of two clamp bodies and four connecting mounting plates, the two connecting mounting plates are fixedly connected to the opposite sides of the upper clamp body and the lower clamp body, the upper connecting mounting plate and the lower connecting mounting plate are symmetrically distributed, a battery 10 and a wireless control module 11 are fixedly connected to the front side wall and the rear side wall inside the protective shell 9 respectively, the direct current motor 12 can be remotely controlled through the wireless control module 11, the direct current motor 12 can rotate forwards or backwards under the remote control of a worker through the wireless control module 11, so as to control the opening and closing of the clamp 8, the direct current motor 12 is fixedly connected to the inside of the protective shell 9, the direct current motor 12 is positioned between the battery 10 and the wireless control module 11, the battery 10 is electrically connected with the direct current motor 12, and the wireless control module 11 is in signal connection with the direct current motor 12, the bottom of the direct current motor 12 is fixedly connected with a motor support 13 connected with the protective shell 9, an output shaft of the direct current motor 12 is fixedly connected with a threaded rod 19 extending to the lower part of the protective shell 9, a bearing seat 14 connected with the threaded rod 19 is fixedly connected inside the motor support 13, the bottom of the protective shell 9 is fixedly connected with a piston rod 15, the left side of the piston rod 15 is provided with a positioning clamping groove 24, the positioning clamping groove 24 is a cylindrical groove, the outer part of the piston rod 15 is sleeved with a spring cylinder 16, the bottom of the piston rod 15 is fixedly connected with a pressure spring 17 connected with the spring cylinder 16, the outer part of the spring cylinder 16 is sleeved with a connecting block 18, two rotating shafts 22 are fixedly connected between the front side wall and the rear side wall inside the connecting block 18, the outer part of the rotating shafts 22 is sleeved with chucks 8 contacting with the flow guide pipe 1, one side, which is opposite to each of the two chucks 8 is provided with a groove, and the groove is a circular groove, the threaded rod 19 is externally sleeved with a threaded sleeve 20 which is positioned inside the connecting block 18 and matched with the threaded rod 19, the threaded sleeve 20 is movably connected with the chuck 8 through a connecting plate 21, the front side and the rear side of the chuck 8 are fixedly connected with grounding annealed copper wires 23, the left side of the piston rod 15 is fixedly connected with a pin body 25, the pin body 25 is internally provided with a hollow cavity 27, the left side of the pin body 25 is inserted with a movable rod 28 which penetrates through the hollow cavity 27 and extends to the inside of the positioning clamping groove 24, the outside of the movable rod 28 is sleeved with a movable plate 29 positioned inside the hollow cavity 27, the left side of the movable plate 29 is fixedly connected with a return spring 2 which is sleeved outside the movable rod 28 and connected with the left side wall inside the cavity of the hollow cavity 27, the pin body 25 is composed of one cylindrical block and two vertical plates, the left side of the cylindrical block is fixedly connected with two vertical plates, and an eccentric handle 26 is movably connected between the front vertical plate and the rear vertical plates, the eccentric handle 26 is composed of two rotating connecting shafts and one eccentric handle, the rotating connecting shafts are fixedly connected to the front side wall and the rear side wall of the eccentric handle, the movable rod 28 extending into the piston rod 15 is inserted into the left side of the pin body 25, the movable plate 29 positioned inside the pin body 25 is sleeved outside the movable rod 28, the reset spring 2 connected with the pin body 25 is fixedly connected to the left side of the movable plate 29, the eccentric handle 26 is movably connected inside the pin body 25, the stroke switch 30 in contact with the draft tube 1 is fixedly connected inside the connecting block 18, when the nylon pad touches the contact switch of the electric grounding chuck, the direct current motor 12 is automatically started to realize the effect that the chuck 8 clamps the draft tube 1 in a closed manner, the start and stop and the rotating direction of the direct current motor 12 are controlled by the wireless control module 11, the threaded rod 19 is driven to rotate when the direct current motor 12 is electrified and rotated, at the moment, the threaded sleeve 20 moves upwards or downwards under the driving of the threaded rod 19, in the process, the threaded sleeve 20 drives the connecting plate 21 to move, so that the chuck 8 rotates by taking the rotating shaft 22 as a circle center, and further closing and opening actions between the chucks 8 are realized, so that clamping connection with the guide pipe 1 is very convenient, the device enables the chuck 8 which originally needs manual installation and fixation to be changed into remote control through a series of mechanical structures, the effect is better compared with manual installation and clamping, the clamping is faster, the safety of workers can be indirectly increased through faster operation in the construction of an extra-high voltage line, the confluence clamp body 4 can be simultaneously connected with eight extra-high voltage lines through eight clamping covers 5, and the three pairs of hoops 7 jointly act to enable the confluence clamp body 4 to be fixed more stably in use through the outside of steel pipes which fix the hoops 7 in the extra-high voltage lines, and when having guaranteed original string type structure through using jointly with chuck 8 and honeycomb duct 1 this moment, satisfied eight wires ground connection simultaneously, avoided direct switch-on wire and damage wire, chuck 8 isotructures small in size and light make the constructor of being convenient for carry the tower, realize earth connection installation and dismantlement through electric mode, can effectively accomplish the induced electricity and ground.
In conclusion, the novel earthing device for overhauling the extra-high voltage line controls the starting, stopping and rotating direction of the direct current motor 12 through the wireless control module 11, the direct current motor 12 drives the threaded rod 19 to rotate when being electrified and rotated, the threaded sleeve 20 moves upwards or downwards under the driving of the threaded rod 19, the threaded sleeve 20 drives the connecting plate 21 to move in the process, so that the chuck 8 rotates by taking the rotating shaft 22 as a circle center, the closing and opening actions between the chucks 8 are further realized, the clamping connection with the draft tube 1 is very convenient, the earthing device enables the original manual ground wire connection and disconnection to be changed into remote control through a series of mechanical structures, the earthing device has better assembling and disassembling effects compared with the manual clamping, is quicker, the operation is quicker during the construction on the extra-high voltage line, and the safety of workers can be indirectly improved, make confluence fastener body 4 simultaneously with eight and be connected simultaneously with extra-high voltage line through eight clamp covers 5, through the outside of fixing staple bolt 7 at the steel pipe in extra-high voltage line, four staple bolt 7 combined action make confluence fastener body 4 can be fixed more stable when using this moment, and when having guaranteed original string type structure through using jointly with chuck 8 and honeycomb duct 1 this moment, eight wires ground connection simultaneously have been satisfied, direct switch-on wire and damage wire have been avoided, chuck 8 isotructure small in size and light make the constructor of being convenient for carry the tower, realize earth connection installation and dismantlement through electric mode, can effectively accomplish the induced electricity ground connection, the problem of wire damage 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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
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 (9)
1. The utility model provides a novel earthing device for overhauls of extra-high voltage line, includes honeycomb duct (1) and protective housing (9), its characterized in that: the bottom of the flow guide pipe (1) is fixedly connected with two connecting vertical plates (6) and one mounting plate (3), the bottom of the mounting plate (3) is fixedly connected with a confluence wire clamp body (4), a clamping cover (5) is fixedly connected on the outer surface of the confluence wire clamp body (4), the front side and the back side of the confluence wire clamp body (4) and the bottom of the mounting plate (3) are both fixedly connected with hoops (7), the front side wall and the back side wall inside the protective shell (9) are respectively fixedly connected with a battery (10) and a wireless control module (11), the inside of the protective shell (9) is fixedly connected with a direct current motor (12), the bottom of the direct current motor (12) is fixedly connected with a motor support (13) connected with the protective shell (9), and the output shaft of the direct current motor (12) is fixedly connected with a threaded rod (19) extending to the lower part of the protective shell (9), the motor support is characterized in that a bearing seat (14) connected with a threaded rod (19) is fixedly connected inside the motor support (13), a piston rod (15) is fixedly connected to the bottom of the protective shell (9), a spring barrel (16) is sleeved outside the piston rod (15), a pressure spring (17) connected with the spring barrel (16) is fixedly connected to the bottom of the piston rod (15), a connecting block (18) is sleeved outside the spring barrel (16), two rotating shafts (22) are fixedly connected between the front side wall and the rear side wall inside the connecting block (18), a clamping head (8) contacted with the flow guide pipe (1) is sleeved outside the rotating shafts (22), a threaded sleeve (20) which is positioned inside the connecting block (18) and matched with the threaded rod (19) is sleeved outside the threaded rod (19), and the threaded sleeve (20) and the clamping head (8) are movably connected through the connecting plate (21), equal fixedly connected with ground connection annealed copper line (23) in both sides around chuck (8), the left side fixedly connected with round pin body (25) of piston rod (15), the left side of round pin body (25) is pegged graft and is had movable rod (28) that extend to piston rod (15) inside, and fly leaf (29) that are located round pin body (25) inside have been cup jointed to the outside of movable rod (28), and reset spring (2) that the left side fixedly connected with of fly leaf (29) is connected with round pin body (25), and the inside swing joint of round pin body (25) has eccentric handle (26), travel switch (30) that the inside fixedly connected with of connecting block (18) contacted with honeycomb duct (1).
2. The novel grounding device for overhauling of the extra-high voltage line according to claim 1, is characterized in that: staple bolt (7) are three pairs in total, and middle a pair of staple bolt (7) comprise the clamp that quantity is two and the connection mounting panel that quantity is four, and two upper and lower clamps back of the body equal fixedly connected with quantity in one side of the back of the body be two the connection mounting panel, two from top to bottom the connection mounting panel is symmetric distribution.
3. The novel grounding device for overhauling of the extra-high voltage line according to claim 1, is characterized in that: the clamping covers (5) are eight in number, and the clamping covers (5) are distributed in an annular equidistant mode.
4. The novel grounding device for overhauling of the extra-high voltage line according to claim 1, is characterized in that: and a positioning clamping groove (24) is formed in the left side of the piston rod (15), and the positioning clamping groove (24) is a cylindrical groove.
5. The novel grounding device for overhauling of the extra-high voltage line according to claim 4, is characterized in that: hollow cavity (27) have been seted up to the inside of round pin body (25), peg graft in the left side of round pin body (25) have run through hollow cavity (27) and extend to inside movable rod (28) of positioning channel groove (24), the outside of movable rod (28) has cup jointed fly leaf (29) that are located hollow cavity (27) inside, the left side fixedly connected with of fly leaf (29) cup joints in movable rod (28) outside and with reset spring (2) that hollow cavity (27) intracavity left side wall is connected.
6. The novel grounding device for overhauling of the extra-high voltage line according to claim 1, is characterized in that: the pin body (25) is composed of a cylindrical block with one quantity and vertical plates with two quantities, the left side of the cylindrical block is fixedly connected with the vertical plates with two quantities, and an eccentric handle (26) is movably connected between the front vertical plate and the rear vertical plate.
7. The novel grounding device for overhauling of the extra-high voltage line according to claim 1, is characterized in that: the eccentric handle (26) is composed of two rotating connecting shafts and one eccentric handle, and the rotating connecting shafts are fixedly connected to the front side wall and the rear side wall of the eccentric handle.
8. The novel grounding device for overhauling of the extra-high voltage line according to claim 1, is characterized in that: the direct current motor (12) is located between the battery (10) and the wireless control module (11), the battery (10) is electrically connected with the direct current motor (12), and the wireless control module (11) is in signal connection with the direct current motor (12).
9. The novel grounding device for overhauling of the extra-high voltage line according to claim 1, is characterized in that: and grooves are formed in the opposite sides of the two chucks (8), and are circular grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022316173.8U CN214589302U (en) | 2020-10-19 | 2020-10-19 | A new type of grounding device for maintenance of UHV lines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022316173.8U CN214589302U (en) | 2020-10-19 | 2020-10-19 | A new type of grounding device for maintenance of UHV lines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214589302U true CN214589302U (en) | 2021-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022316173.8U Withdrawn - After Issue CN214589302U (en) | 2020-10-19 | 2020-10-19 | A new type of grounding device for maintenance of UHV lines |
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| CN (1) | CN214589302U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112271473A (en) * | 2020-10-19 | 2021-01-26 | 江苏省送变电有限公司 | A new type of grounding device for maintenance of UHV lines |
-
2020
- 2020-10-19 CN CN202022316173.8U patent/CN214589302U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112271473A (en) * | 2020-10-19 | 2021-01-26 | 江苏省送变电有限公司 | A new type of grounding device for maintenance of UHV lines |
| CN112271473B (en) * | 2020-10-19 | 2025-01-28 | 江苏省送变电有限公司 | A new type of grounding device for maintenance of UHV lines |
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