CN114825172A - Telescopic potential transfer stick of extra-high voltage line live working - Google Patents
Telescopic potential transfer stick of extra-high voltage line live working Download PDFInfo
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- CN114825172A CN114825172A CN202210631103.2A CN202210631103A CN114825172A CN 114825172 A CN114825172 A CN 114825172A CN 202210631103 A CN202210631103 A CN 202210631103A CN 114825172 A CN114825172 A CN 114825172A
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- 238000009434 installation Methods 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 11
- 238000000819 phase cycle Methods 0.000 claims description 10
- 239000004020 conductor Substances 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 230000005484 gravity Effects 0.000 abstract description 4
- 238000000926 separation method Methods 0.000 abstract description 2
- 230000005611 electricity Effects 0.000 abstract 6
- 230000005540 biological transmission Effects 0.000 description 11
- 239000007789 gas Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000010892 electric spark Methods 0.000 description 1
- 230000005686 electrostatic field Effects 0.000 description 1
- 239000007792 gaseous phase Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 238000007142 ring opening reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
- H01R11/12—End pieces terminating in an eye, hook, or fork
- H01R11/14—End pieces terminating in an eye, hook, or fork the hook being adapted for hanging on overhead or other suspended lines, e.g. hot line clamp
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Abstract
The invention discloses a telescopic potential transfer rod for live working of an extra-high voltage line, relating to the technical field of electric power; the electric clamp comprises a handle and an equipotential clamp seat, a hanging ring is installed at the bottom of the handle, a telescopic rod is installed at the top of the handle, a connecting seat capable of being disassembled and assembled through threads is installed at the top of the telescopic rod, an electricity connecting hook of a J-shaped structure is installed at the top of the connecting seat, a mounting groove is formed in the inside of the electricity connecting hook, and electricity connecting clamps are installed on the two sides of the inside of the mounting groove in a rotating mode. According to the invention, two elastic electricity connecting clamps are arranged in the electricity connecting hook, when an equipotential line needs to enter, the line is hooked between the two electricity connecting clamps, the two movable swing arms positioned on the outer side of the line are drawn close to the middle part under the action of gravity, the surface of the line is attached to increase the contact area, meanwhile, the bottoms of the two movable swing arms are contacted with each other to generate a limiting and locking function, the separation from the line during moving is avoided, and further the safety of live working of an extra-high voltage line is improved.
Description
Technical Field
The invention relates to the technical field of electric power, in particular to a telescopic potential transfer rod for live working of an extra-high voltage line.
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, realize long-distance power system interconnection and build a combined power system, an ultra-high voltage power grid has long distance, large capacity, low loss and less land occupation, the transmission capacity can reach 2.4-5 times of 500 KV ultra-high voltage transmission, and the ultra-high voltage transmission is called as an electric power highway.
When an extra-high voltage line is maintained, an operator enters an electrostatic field of live equipment for operation, the potential difference between a human body and a live body needs to be equal to zero, a potential transfer rod is a metal tool used when the equipotential operator enters and exits from an equipotential and is used for reducing the influence of a discharge arc on the human body and avoiding the damage possibly caused by pulse current to shielding clothes, at present, the existing potential transfer rod utilizes a clamp at the front end to be in contact with an electric wire, the shape of the clamp is fixed, the area is small when the clamp is in contact with the electric wire, and the contact is not tight enough and is easy to cause danger.
In view of the above, the present invention provides a telescopic electric potential transfer rod for hot-line work of an extra-high voltage line, so as to solve the technical problems in the prior art.
Disclosure of Invention
Based on the technical problems in the prior art, the invention provides a telescopic potential transfer rod for live working of an extra-high voltage line.
The invention provides a telescopic potential transfer rod for hot-line work of an extra-high voltage line, which comprises a handle and an equipotential clamp holder, wherein a hanging ring is installed at the bottom of the handle, a telescopic rod is installed at the top of the handle, a connecting seat capable of being disassembled and assembled through threads is installed at the top end of the telescopic rod, a J-shaped electric connection hook is installed at the top of the connecting seat, an installation groove is formed in the electric connection hook, electric connection clamps are rotatably installed on two sides in the installation groove, a C-shaped electric wire clamp cavity is formed in the top of each electric connection clamp, a movable swing arm is arranged in each electric wire clamp cavity, a potential transfer seat is installed on the side face of each electric connection hook, cable power connection posts are screwed in the potential transfer seat and the equipotential clamp holder, and an equipotential cable is arranged between the two cable power connection posts.
Preferably, the equipotential clamp base comprises a clamp base main body of a U-shaped structure, a fastening bolt is screwed on the top of the clamp base main body, a fixed clamping plate is rotatably mounted at the bottom of the fastening bolt, a guide block in sliding connection with the fixed clamping plate is arranged inside the clamp base main body, and a threaded sleeve is arranged on the outer side surface of the clamp base main body.
Preferably, the equipotential clamp base further comprises an arc-shaped fixing piece hinged to the bottom end of the clamp base main body, a through hole penetrating through the threaded sleeve is formed between the two ends of the clamp base main body, and a self-locking block is arranged inside the through hole and fixed to the end portion of the arc-shaped fixing piece.
In the invention, preferably, an annular groove is arranged on the outer side of the cable electric connecting post, and an anti-falling buckle with a C-shaped structure is arranged on the outer side of the annular groove on the cable electric connecting post connected with the potential transfer seat.
Preferably, the power connection clamp comprises torsion spring rotating shafts arranged in the installation groove, the clamp pieces are arranged between the torsion spring rotating shafts, the power connection clamp further comprises a reverse pushing mechanism arranged in the installation groove, and the reverse pushing mechanism is in rolling connection with the clamp pieces.
In the invention, preferably, the reverse-pushing mechanism comprises an elastic rod, a reverse-pushing roller is arranged at the end part of the elastic rod, and a ring groove matched with the clamping piece is arranged on the outer side of the reverse-pushing roller.
In the invention, preferably, the movable swing arm comprises a swing piece with an S-shaped structure, conductor plates are arranged on two sides of the swing piece, and a limit bolt is arranged between the bottom ends of the two conductor plates.
In the invention, preferably, the interior of the handle is of a hollow structure, a buffer tank is arranged in the handle, a pressing hand lever is hinged to the side surface of the buffer tank, a micro piston pump and a gas phase sequence valve which are connected with each other are further arranged in the handle, the end part of a piston rod of the micro piston pump is in sliding connection with the pressing hand lever, and the gas phase sequence valve is communicated with the buffer tank.
In the invention, preferably, the telescopic rod is composed of a plurality of pipe bodies which are sequentially inserted, the opening at the outer end of each pipe body is in threaded connection with the locking ring, a sealing cavity is arranged between the pipe bodies, and the opening at the inner end of each pipe body is in threaded connection with the sealing ring.
In the invention, preferably, the hanging ring is rotatably connected with the handle, and a C-shaped receiving ring is arranged outside the hanging ring.
Compared with the prior art, the invention provides the telescopic potential transfer rod for the live-wire operation of the extra-high voltage line, which has the following beneficial effects:
in the invention, the potential transfer rod is of a detachable structure, the front end of the potential transfer rod is connected with the electric hook which is detached from the telescopic rod by virtue of the connecting seat, an equipotential cable which can be disassembled and assembled by screw threads is arranged between the electric hook which enters equipotential and the equipotential holder, when in use, the telescopic rod and the equipotential cable with proper length can be selected according to the requirement for installation, the extension range of the potential transfer rod can be changed to adapt to different high-altitude operations of the power transmission tower, and simultaneously, two elastic electric connection clamps are arranged in the electric connection hook, when the electric wire needs to enter the equipotential state, the electric wire is hooked between the two electric connection clamps, the two movable swing arms positioned at the outer side of the electric wire are close to the middle part under the action of gravity, the contact area is increased by attaching to the surface of the electric wire, meanwhile, the bottoms of the two movable swing arms are in mutual contact to generate a limiting locking function, so that the two movable swing arms are prevented from being separated from an electric wire when moving, and the safety of the live working of the extra-high voltage line is further improved.
Drawings
FIG. 1 is a schematic structural diagram of a telescopic potential transfer rod for hot-line work of an extra-high voltage line, which is provided by the invention;
FIG. 2 is a schematic diagram of an electric connection clamp structure of the telescopic potential transfer rod for the live line work of the extra-high voltage line, provided by the invention;
FIG. 3 is a schematic diagram of a movable swing arm structure of the telescopic potential transfer rod for the live line work of the extra-high voltage line, which is provided by the invention;
FIG. 4 is a schematic view of an equipotential holder structure of a telescopic potential transfer rod for hot-line work of an extra-high voltage line according to the present invention;
FIG. 5 is a schematic view of a local structure of an equipotential holder of a telescopic potential transfer rod for hot-line work of an extra-high voltage line according to the present invention;
fig. 6 is a schematic view of the internal structure of a handle of the telescopic electric potential transfer rod for the live-wire work of the extra-high voltage line, which is provided by embodiment 2 of the invention;
fig. 7 is a schematic view of a pipe connection structure of a telescopic electric potential transfer rod for hot-line work of an extra-high voltage line according to embodiment 2 of the present invention;
fig. 8 is a schematic structural view of a handle of the telescopic electric potential transfer rod for the live-wire work of the extra-high voltage line, which is provided by embodiment 2 of the invention.
In the figure: 1 equipotential clamp base, 101 clamp base body, 102 fixed clamp plate, 103 fastening bolt, 104 guide block, 105 threaded sleeve, 106 arc-shaped fixed piece, 107 through holes, 108 self-locking block, 2 equipotential cables, 3 potential transfer base, 4 electrical connection clamp, 401 clamp, 402 torsion spring rotating shaft, 403 reverse pushing mechanism, 404 movable swing arm, 4041 conductor plate, 4042 swinging piece, 4043 limit bolt, 5 mounting groove, 6 electrical connection hook, 7 connecting base, 8 cable electrical connection post, 9 telescopic rod, 901 tube body, 902 sealing ring, 903 sealing cavity, 904 locking ring, 10 handle, 1001 buffer tank, 1002 micro piston pump, 1003 pressing hand lever, 1004 gas phase sequence valve, 11 suspension ring.
Detailed Description
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
Example 1:
referring to fig. 1-5, an extra-high voltage line live working telescopic potential transfer rod comprises a handle 10 and an equipotential clamp holder 1, wherein a hanging ring 11 is installed at the bottom of the handle 10, a telescopic rod 9 is installed at the top of the handle 10, a connecting seat 7 capable of being disassembled and assembled through threads is installed at the top end of the telescopic rod 9, an electric connection hook 6 of a J-shaped structure is installed at the top end of the connecting seat 7, an installation groove 5 is arranged inside the electric connection hook 6, electric connection clamps 4 are rotatably installed on two sides inside the installation groove 5, an electric wire clamp cavity of a C-shaped structure is arranged at the top end of each electric connection clamp 4, a movable swing arm 404 is arranged inside each electric wire clamp cavity, a potential transfer seat 3 is installed on the side surface of each electric connection hook 6, cable electric connection posts 8 are screwed inside each potential transfer seat 3 and the equipotential clamp holder 1, and an equipotential cable 2 is arranged between the two cable connection posts 8;
in the invention, the electric potential transfer rod is of a detachable structure, the front end of the electric potential transfer rod is connected with the electric hook 6 which is detached from the telescopic rod 9 by virtue of the connecting seat 7, the electric potential cable 2 which can be disassembled and assembled by threads is arranged between the electric potential connection hook 6 and the equipotential clamp seat 1, the telescopic rod 9 and the equipotential cable 2 with proper length can be selected to be installed according to requirements during application, the extension range of the electric potential transfer rod can be changed to adapt to different high-altitude operations of a power transmission tower, meanwhile, two elastic electric connection clamps 4 are installed inside the electric hook 6, an electric wire is hooked between the two electric connection clamps 4 when the electric potential needs to be entered, two movable swing arms 404 positioned at the outer side of the electric wire are close to the middle part under the action of gravity, the contact area is increased when the electric wire is attached, meanwhile, the bottoms of the two movable swing arms 404 are mutually contacted to generate a limiting and locking function, and the separation from the electric wire is avoided when the electric wire is moved, and further improve the safety of the live working of the extra-high voltage line.
As a further scheme of the present invention, the equipotential holder 1 includes a holder main body 101 having a U-shaped structure, a fastening bolt 103 is screwed to the top of the holder main body 101, a fixing clamp plate 102 is rotatably mounted to the bottom of the fastening bolt 103, a guide block 104 slidably connected to the fixing clamp plate 102 is disposed inside the holder main body 101, a threaded sleeve 105 is disposed on the outer side of the holder main body 101, the cable connecting post 8 is inserted into the threaded sleeve 105 when in use, so as to complete the installation operation of the equipotential holder 1, the holder main body 101 is placed at an equipotential position when in use, the fixing clamp plate 102 moves downward when the fastening bolt 103 is rotated, so as to complete the equipotential fixing of one end of the potential transfer rod.
As a further scheme of the present invention, the equipotential holder 1 further includes an arc fixing member 106 hinged to the bottom end of the holder main body 101, a through hole 107 penetrating through the threaded sleeve 105 is formed between two ends of the holder main body 101, a self-locking block 108 is disposed inside the through hole 107, the self-locking block 108 is fixed to an end of the arc fixing member 106, the arc fixing member 106 protrudes out of the bottom of the opening of the holder main body 101 under the action of an elastic force, during a clamping action of the equipotential holder 1, the arc fixing member 106 is continuously pressed down to drive the self-locking block 108 to move downward, after the equipotential holder 1 is installed, the bottom of the self-locking block 108 is embedded into the surface of the cable electric pole 8, thereby completing a locking action of the equipotential holder 1 and the equipotential cable 2 during an equipotential operation, and meanwhile, the resilience of the arc fixing member 106 increases the installation stability of the equipotential holder 1, so that the operation is safer.
As a further scheme in the invention, an annular groove is formed in the outer side of the cable electric connecting post 8, an anti-falling buckle with a C-shaped structure is arranged on the outer side of the annular groove on the cable electric connecting post 8 connected with the potential transfer seat 3, after the cable electric connecting post 8, the potential transfer seat 3 and the equipotential clamp seat 1 are fixed, the cable electric connecting post 8 at the lower end is self-locked and fixed by virtue of the cooperation of the self-locking block 108 and the annular groove, the cable electric connecting post 8 at the upper end is self-locked and fixed by virtue of the cooperation of the anti-falling buckle and the annular groove, the stability of connection of two ends of the equipotential cable 2 is effectively improved, and the safety of live-line operation of an extra-high voltage line is ensured.
As a further scheme of the present invention, the electrical connection clamp 4 includes a torsion spring rotating shaft 402 installed inside the installation groove 5, a clamp 401 is installed between the torsion spring rotating shafts 402, the electrical connection clamp 4 further includes a reverse pushing mechanism 403 installed inside the installation groove 5, the reverse pushing mechanism 403 is in rolling connection with the clamp 401, the clamp 401 at both sides are close to each other by virtue of the torsion spring rotating shaft 402 and the reverse pushing mechanism 403, at the moment of contact with an electric wire, the clamp 401 pushes the reverse pushing mechanism 403 backwards, the reverse pushing mechanism 403 rapidly drives the clamp 401 to reset, so that an electric wire clamping cavity rapidly covers the outside of the electric wire, the electric wire enters an equipotential speed is fast, and the electric wire is stably fixed with the electric wire.
As a further scheme of the present invention, the reverse pushing mechanism 403 includes an elastic rod, a reverse pushing roller is disposed at an end of the elastic rod, an annular groove adapted to the clamp 401 is disposed at an outer side of the reverse pushing roller, the reverse pushing mechanism 403 always forms an elastic fulcrum in the middle of the clamp 401, when the top end of the potential transfer rod contacts with the electric wire, the clamp 401 is pushed to open and close rapidly by deformation of the reverse pushing mechanism, and when the potential transfer rod is suspended and moved, the clamp 401 at two sides always keeps pushing force close to the middle, so as to effectively avoid the electric clamp 4 from loosening.
As a further scheme of the present invention, the movable swing arm 404 includes a swing part 4042 having an S-shaped structure, and both sides of the swing part 4042 are provided with conductor plates 4041, a limiting bolt 4043 is provided between the bottom ends of the two conductor plates 4041, the top end of the movable swing arm 404 is freely suspended at the highest point of the power connection clamp 4, and the bottom thereof forms an effective counterweight, when the potential transfer bar moves and shakes, the swing part 4042 always covers the outside of the electric wire, and the conductive area is increased by the conductor plates 4041 on both sides, so as to enhance the stability of the equipotential operation of the potential transfer bar, and avoid the occurrence of electric sparks generated by insufficient contact.
Example 2:
referring to fig. 1-8, an extra-high voltage line live working telescopic potential transfer stick, the inside of a handle 10 is a hollow structure, a buffer tank 1001 is installed inside the handle 10, a push handle bar 1003 is hinged to a side surface of the buffer tank 1001, a micro piston pump 1002 and a gas phase sequence valve 1004 which are connected with each other are also installed inside the handle 10, the end of the piston bar of the micro piston pump 1002 is connected with the push handle bar 1003 in a sliding manner, the gas phase sequence valve 1004 is communicated with the buffer tank 1001, the top of the buffer tank 1001 is communicated with the inside of a telescopic rod 9, one end of the push handle bar 1003 extends out of the handle 10, when a worker operates the stick, the push handle bar 1003 is continuously driven by fingers to move, so as to drive the micro piston pump 1002 to continuously work, the gas charging and discharging relation between the buffer tank 1001 is controlled by the gas phase sequence valve 1004, when the gas phase sequence valve 1004 is adjusted to a gas phase, the micro piston pump 1002 is continuously operated by fingers, last aerify to telescopic link 9 is inside, and then drive telescopic link 9 and extend, adjust to the gassing stage when gaseous phase sequence valve 1004, the finger is pressed and is driven miniature piston pump 1002 and last during operation, what last is to the inside pressure of taking out of telescopic link 9, and then drive telescopic link 9 shrink, reach the purpose of one-hand control potential transfer stick length, effectively improve the flexible convenience of adjusting of potential transfer stick, strengthen its convenience and the security that is located high altitude construction.
As a further scheme of the present invention, the telescopic rod 9 is composed of a plurality of tubes 901 inserted in sequence, a locking ring 904 is screwed at an opening of an outer end of each tube 901, a sealing cavity 903 is arranged between the tubes 901, a sealing ring 902 is screwed at an opening of an inner end of each tube 901, the tubes 901 inserted in sequence form the sealing cavity 903 through the sealing ring 902, air is filled and sucked in the sealing cavity 903, so as to drive the tubes 901 to extend and contract, meanwhile, the arrangement of the locking ring 904 can lock the opening connection of the tubes 901, so as to achieve the purpose of fixing the length of the potential transfer rod, and various operation modes are easy and convenient to change.
As a further scheme of the present invention, the hanging ring 11 is rotatably connected with the handle 10, and a C-shaped receiving ring is disposed outside the hanging ring 11, when the push handle 1003 needs to be operated, the hanging ring 11 is rotated to make the receiving ring opening of the hanging ring fit with the bottom end of the push handle 1003, so that the push handle 1003 can be released for convenient operation, and when the push handle 1003 does not need to be operated, the receiving ring restricts the bottom of the push handle 1003, so that the push handle 1003 can be received and fixed.
When using, can select the telescopic link 9 of suitable length according to the demand when using, equipotential cable 2 installs, can change the extension range of potential transfer stick, in order to adapt to the transmission tower high altitude construction of difference, simultaneously, the internally mounted who connects electric hook 6 has two to possess elastic connecing electric clamp 4, the electric wire is colluded into two when needing to get into the equipotential and connects between electric clamp 4, two movable swing arms 404 that are located the electric wire outside under the action of gravity draw close to the middle part, laminating electric wire surface increases area of contact, and simultaneously, two movable swing arms 404 bottom mutual contacts produce spacing locking function, avoid causing when removing to break away from with the electric wire.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. The telescopic potential transfer rod for the live working of the extra-high voltage line comprises a handle (10) and an equipotential clamp seat (1), wherein a hanging ring (11) is installed at the bottom of the handle (10), a telescopic rod (9) is installed at the top of the handle (10), a connecting seat (7) capable of being disassembled and assembled through threads is installed at the top end of the telescopic rod (9), a J-shaped electric connection hook (6) is installed at the top of the connecting seat (7), and the telescopic potential transfer rod is characterized in that a mounting groove (5) is arranged inside the electric connection hook (6), electric connection clamps (4) are rotatably installed on two sides inside the mounting groove (5), an electric wire clamp cavity of a C-shaped structure is arranged at the top of each electric connection clamp (4), a movable swing arm (404) is arranged inside the electric wire clamp cavity, a potential transfer seat (3) is installed on the side surface of each electric connection hook (6), and electric cables (8) are screwed inside each potential transfer seat (3) and each equipotential clamp seat (1), an equipotential cable (2) is arranged between the two cable electric connecting poles (8).
2. The telescopic electric potential transfer rod for the hot-line work of the extra-high voltage line according to claim 1, wherein the equipotential clamp holder (1) comprises a clamp holder main body (101) with a U-shaped structure, a fastening bolt (103) is screwed on the top of the clamp holder main body (101), a fixed clamping plate (102) is rotatably mounted at the bottom of the fastening bolt (103), a guide block (104) which is slidably connected with the fixed clamping plate (102) is arranged inside the clamp holder main body (101), and a threaded sleeve (105) is arranged on the outer side surface of the clamp holder main body (101).
3. The telescopic electric potential transfer rod for the live working of the extra-high voltage line according to claim 2, wherein the equipotential clamp holder (1) further comprises an arc-shaped fixing piece (106) hinged to the bottom end of the clamp holder main body (101), a through hole (107) penetrating through the threaded sleeve (105) is formed between two ends of the clamp holder main body (101), a self-locking block (108) is arranged inside the through hole (107), and the self-locking block (108) is fixed to the end portion of the arc-shaped fixing piece (106).
4. The telescopic potential transfer rod for the hot-line work of the extra-high voltage line according to claim 3, wherein an annular groove is formed in the outer side of the cable power connection post (8), and an anti-falling buckle of a C-shaped structure is arranged on the outer side of the annular groove in the cable power connection post (8) connected with the potential transfer seat (3).
5. The telescopic electric potential transfer rod for the live working of the extra-high voltage line according to claim 1, wherein the electric connection clamp (4) comprises a torsion spring rotating shaft (402) installed inside the installation groove (5), a clamp piece (401) is installed between the torsion spring rotating shafts (402), the electric connection clamp (4) further comprises a reverse pushing mechanism (403) arranged inside the installation groove (5), and the reverse pushing mechanism (403) is in rolling connection with the clamp piece (401).
6. The telescopic electric potential transfer rod for the hot-line work of the extra-high voltage line according to claim 5, wherein the reverse-thrust mechanism (403) comprises an elastic rod, a reverse-thrust roller is arranged at the end of the elastic rod, and an annular groove matched with the clamping piece (401) is arranged on the outer side of the reverse-thrust roller.
7. The telescopic electric potential transfer rod for the live working of the extra-high voltage line according to claim 6, wherein the movable swing arm (404) comprises an oscillating piece (4042) with an S-shaped structure, conductor plates (4041) are arranged on two sides of the oscillating piece (4042), and a limiting bolt (4043) is arranged between the bottom ends of the two conductor plates (4041).
8. The telescopic electric potential transfer rod for the live working of the extra-high voltage line is characterized in that the inside of the handle (10) is of a hollow structure, a buffer tank (1001) is installed inside the handle (10), a pressing handle (1003) is hinged to the side surface of the buffer tank (1001), a micro piston pump (1002) and a gas phase sequence valve (1004) which are connected with each other are further installed inside the handle (10), the end part of the piston rod of the micro piston pump (1002) is connected with the pressing handle (1003) in a sliding mode, and the gas phase sequence valve (1004) is communicated with the buffer tank (1001).
9. The telescopic electric potential transfer rod for the live working of the extra-high voltage line according to claim 8, wherein the telescopic rod (9) is composed of a plurality of sequentially inserted pipe bodies (901), a locking ring (904) is screwed at an opening at the outer end of each pipe body (901), a sealing cavity (903) is arranged between the pipe bodies (901), and a sealing ring (902) is screwed at an opening at the inner end of each pipe body (901).
10. The telescopic electric potential transfer rod for the live working of the extra-high voltage line according to claim 9, wherein the hanging ring (11) is rotatably connected with the handle (10), and a C-shaped accommodating ring is arranged on the outer side of the hanging ring (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210631103.2A CN114825172A (en) | 2022-06-06 | 2022-06-06 | Telescopic potential transfer stick of extra-high voltage line live working |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210631103.2A CN114825172A (en) | 2022-06-06 | 2022-06-06 | Telescopic potential transfer stick of extra-high voltage line live working |
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| CN114825172A true CN114825172A (en) | 2022-07-29 |
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| CN202210631103.2A Pending CN114825172A (en) | 2022-06-06 | 2022-06-06 | Telescopic potential transfer stick of extra-high voltage line live working |
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| CN216289050U (en) * | 2021-12-02 | 2022-04-12 | 中铁电气化局集团有限公司 | Intelligent grounding seal wire |
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