CN112436429B - Portable ultra-high voltage transmission line spacer assembly and disassembly tools - Google Patents

Portable ultra-high voltage transmission line spacer assembly and disassembly tools Download PDF

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Publication number
CN112436429B
CN112436429B CN202011261319.1A CN202011261319A CN112436429B CN 112436429 B CN112436429 B CN 112436429B CN 202011261319 A CN202011261319 A CN 202011261319A CN 112436429 B CN112436429 B CN 112436429B
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China
Prior art keywords
groove
block
circular
wall
transmission line
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CN202011261319.1A
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CN112436429A (en
Inventor
王京波
李嗣
葛雄
朱传刚
雷雨
钟燃
鲁少军
侯新文
刘文超
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State Grid Corp of China SGCC
Maintenance Branch of State Grid Hubei Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Maintenance Branch of State Grid Hubei Electric Power Co Ltd
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Priority to CN202011261319.1A priority Critical patent/CN112436429B/en
Publication of CN112436429A publication Critical patent/CN112436429A/en
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G1/00Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
    • H02G1/02Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G1/00Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
    • H02G1/02Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
    • H02G1/04Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables for mounting or stretching

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  • Insulating Bodies (AREA)

Abstract

The invention discloses a portable ultrahigh voltage transmission line spacer dismounting tool which comprises a dismounting device body and a universal joint, wherein a circular insertion groove is formed in the bottom of the dismounting device body, and a square positioning groove is formed in the top of the inner wall of the circular insertion groove. The portable ultra-high voltage transmission line spacer disassembling tool comprises a disassembling device body, a circular inserting groove, a square positioning groove, a positioning block, a placing groove, a fixing mechanism, a circular stop block, a threaded through hole, a threaded rod, a fixing block, a traction rod, a pushing handle, a square positioning block, a telescopic rod, a universal joint, a circular groove, a positioning mechanism, an extrusion spring, a matching block, a deformation sleeve, a matching groove, an annular positioning groove, an insulation monitoring device, a limiting groove, a limiting block, a fixing groove, an arc-shaped groove and an arc-shaped block. The method is suitable for overhauling the power transmission line.

Description

Portable ultra-high voltage transmission line spacer assembly and disassembly tools
Technical Field
The invention belongs to the technical field of spacers, and particularly relates to a portable ultra-high voltage transmission line spacer dismounting tool.
Background
The spacer is a hardware fitting installed on the split conductors to fix the space between the split conductors to prevent the conductors from being whipped each other and to suppress the breeze vibration and the sub-span oscillation, and is generally installed in the middle of the span.
Conductor spacer assembly and disassembly tools, in order to satisfy the market demand, generally all until how better dismouting and how more person of facilitating the use these aspects optimize, often neglected whether can be fine connect, conductor spacer assembly and disassembly tools has, the effect of dismouting is better and more person of facilitating the use these aspects optimize, but have certain restriction, when normal use, the joint of often connecting is very single, it is poor to cause the connection effect, the problem that prior art exists is: the connection effect is poor.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a portable tool for dismounting a spacer of an ultra-high voltage transmission line, which has the advantage of good connection effect and solves the problem of poor connection effect in the prior art.
The invention is realized in such a way, the portable tool for disassembling and assembling the spacer of the ultra-high voltage transmission line comprises a disassembling and assembling device body and a universal joint, wherein the bottom of the disassembling and assembling device body is provided with a circular insertion groove, the top of the inner wall of the circular insertion groove is provided with a square positioning groove, the rear side of the inner wall of the square positioning groove is fixedly provided with a positioning block, the front side of the inner wall of the square positioning groove is provided with a placing groove, the inside of the placing groove is fixedly provided with a fixing mechanism, the inside of the square positioning groove is inserted with a square positioning block, the bottom of the square positioning block is fixedly provided with a telescopic rod, the outer surface of the top of the telescopic rod is matched with the circular insertion groove, the top and the bottom of the right side of the disassembling and assembling device body are both provided with circular grooves, the insides of the two circular grooves are both fixedly provided with positioning mechanisms, and the left side of the universal joint is provided with a matching groove, annular constant head tank has been seted up to the inner wall in cooperation groove, the inside and the dismouting equipment body cooperation in cooperation groove are used.
Preferably, the fixing mechanism comprises a circular stop block, the outer surface of the circular stop block is fixedly connected with the inside of the placing groove, a threaded through hole is formed in the circular stop block, a threaded rod is connected to the inner thread of the threaded through hole in a threaded manner, a fixing block is fixedly mounted on the rear side of the threaded rod, the rear side of the fixing block is matched with the outer surface of the square positioning block for use, a traction rod is fixedly connected to the front side of the threaded rod, the front side of the traction rod penetrates through the placing groove and extends to the front side of the dismounting device body, and a pushing handle is fixedly mounted on the front side of the traction rod.
Preferably, the positioning mechanism comprises an extrusion spring, the bottom of the extrusion spring is fixedly connected with the inner wall of the circular groove, a matching block is fixedly installed at the top of the extrusion spring, the outer surface of the matching block is slidably connected with the inner wall of the circular groove, a deformation sleeve is fixedly installed at the bottom of the matching block, and the deformation sleeve is sleeved on the outer surface of the extrusion spring.
Preferably, the left side of the dismounting device body is provided with an insulation monitoring device, and the right side of the insulation monitoring device is fixedly connected with the left side of the dismounting device body.
Preferably, the left side and the right side of the inner wall of the circular groove are both provided with a limiting groove, the left side and the right side of the matching block are both fixedly provided with limiting blocks, and the ends of the two limiting blocks, which are deviated from each other, are both in sliding connection with the inner part of the limiting groove.
Preferably, a fixing groove is formed in the rear side of the square positioning block, and the inside of the fixing groove is matched with the positioning block.
Preferably, an arc-shaped groove is formed in the left side of the inner wall of the matching groove, an arc-shaped block is fixedly mounted on the right side of the dismounting device body, the arc-shaped block is matched with the arc-shaped groove for use, and the arc-shaped block is tightly matched with the arc-shaped groove.
Preferably, the top of the telescopic rod is sleeved with a protective pad, and the protective pad is a plastic protective pad.
Compared with the prior art, the invention has the following beneficial effects:
1. the portable ultra-high voltage transmission line spacer disassembly and assembly tool has the advantages of being good in connection effect.
2. According to the invention, the power source of the whole fixing mechanism is realized by manually pulling the pushing handle, the round stop dog is driven to move by the traction rod while the pushing handle is pulled, so that the fixed block can be pulled into the placing groove, the square positioning block and the square positioning groove can be spliced, after the splicing is finished, the pushing handle is manually pushed, the fixed block is attached to the front side of the square positioning block, the threaded rod is pushed to the position matched with the threaded through hole, and the pushing handle is manually rotated, so that the better extrusion effect of the fixed block and the square positioning block can be realized, and the better installation effect can be realized.
3. According to the invention, the power source of the whole positioning mechanism is realized through the stress of the matching block, as the force can be transmitted, the matching block is stressed and simultaneously a deformation force is given to the extrusion spring through the deformation sleeve, so that the matching block can be extruded into the circular groove, the matching use of the dismounting equipment body and the matching groove is realized, after the matching is completed, as the force is mutual, the extrusion spring also gives the matching block a same reaction force, the matching use of the matching block and the annular positioning groove is realized, the rapid installation of the universal joint is realized, and the better connection effect can be realized.
4. According to the invention, the insulation monitoring device is arranged, so that whether the dismounting device body is insulated or not can be clearly monitored, and the safety is higher.
5. The limiting grooves are arranged, so that the sliding connection with the limiting blocks fixedly arranged on the left side and the right side of the matching block can be realized, the position of the matching block can be well limited, and the motion track of the matching block can be more stable.
6. According to the invention, the fixing grooves are arranged, so that the positioning effect of the square positioning block is better, and the dismounting effect is better.
7. According to the universal joint, the arc-shaped groove is formed, so that the universal joint can be matched with the arc-shaped block fixedly arranged on the right side of the dismounting device body for use, the mounting effect of the universal joint is better, and the connecting effect is better.
8. According to the invention, the protective pad is arranged, so that the hand comfort of a user can be improved, and an anti-skid effect can be achieved.
Drawings
FIG. 1 is a schematic diagram of a structure provided by an embodiment of the present invention;
FIG. 2 is a perspective view of a universal joint provided by an embodiment of the present invention;
FIG. 3 is a perspective view of the telescopic rod and the positioning block provided in the embodiment of the present invention;
FIG. 4 is a perspective view of the detachable device body and the arc block in cooperation according to an embodiment of the present invention;
FIG. 5 is a detailed view of a securing mechanism provided by an embodiment of the present invention;
FIG. 6 is a detailed view of a positioning mechanism provided by an embodiment of the present invention;
FIG. 7 is a front view of a universal joint provided by an embodiment of the present invention.
In the figure: 1. disassembling and assembling the equipment body; 2. a circular insertion groove; 3. a square positioning groove; 4. positioning blocks; 5. a placement groove; 6. a fixing mechanism; 601. a circular stopper; 602. a threaded through hole; 603. a threaded rod; 604. a fixed block; 605. a draw bar; 606. a push handle; 7. a square positioning block; 8. a telescopic rod; 9. a universal joint; 10. a circular groove; 11. a positioning mechanism; 1101. a compression spring; 1102. a matching block; 1103. a deformation sleeve; 12. a mating groove; 13. an annular positioning groove; 14. an insulation monitoring device; 15. a limiting groove; 16. a limiting block; 17. fixing grooves; 18. an arc-shaped slot; 19. an arc-shaped block.
Detailed Description
In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings.
The structure of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 7, the portable tool for disassembling and assembling a spacer for an ultra-high voltage transmission line provided by the embodiment of the invention comprises a disassembling and assembling device body 1 and a universal joint 9, wherein a circular insertion groove 2 is formed at the bottom of the disassembling and assembling device body 1, a square positioning groove 3 is formed at the top of the inner wall of the circular insertion groove 2, a positioning block 4 is fixedly installed at the rear side of the inner wall of the square positioning groove 3, a placing groove 5 is formed at the front side of the inner wall of the square positioning groove 3, a fixing mechanism 6 is fixedly installed inside the placing groove 5, a square positioning block 7 is inserted inside the square positioning groove 3, a telescopic rod 8 is fixedly installed at the bottom of the square positioning block 7, the outer surface of the top of the telescopic rod 8 is matched with the circular insertion groove 2 for use, circular grooves 10 are formed at the top and the bottom of the right side of the disassembling and assembling device body 1, and positioning mechanisms 11 are fixedly installed inside the two circular grooves 10, the left side of universal joint 9 has seted up cooperation groove 12, and annular constant head tank 13 has been seted up to the inner wall in cooperation groove 12, and the inside and the cooperation of dismouting equipment body 1 in cooperation groove 12 are used.
Referring to fig. 5, the fixing mechanism 6 includes a circular stopper 601, an outer surface of the circular stopper 601 is fixedly connected with an inner portion of the placement groove 5, a threaded through hole 602 is formed in the circular stopper 601, a threaded rod 603 is connected to an inner thread of the threaded through hole 602, a fixing block 604 is fixedly mounted on a rear side of the threaded rod 603, a rear side of the fixing block 604 is matched with an outer surface of the square positioning block 7 for use, a traction rod 605 is fixedly connected to a front side of the threaded rod 603, the front side of the traction rod 605 penetrates through the placement groove 5 and extends to a front side of the dismounting device body 1, and a pushing handle 606 is fixedly mounted on the front side of the traction rod 605.
Adopt above-mentioned scheme: realize whole fixed establishment 6's power supply through manpower pulling push handle 606, drive circular dog 601 through traction lever 605 and remove in pulling push handle 606, just so can realize pulling fixed block 604 into the inside of standing groove 5, thereby realize the grafting of square locating piece 7 and square constant head tank 3, after the grafting is accomplished, manpower promotes push handle 606, thereby realize the front side laminating of fixed block 604 and square locating piece 7, push away threaded rod 603 to the position with screw through hole 602 complex simultaneously, through the rotatory push handle 606 of manpower, just so can realize that the extrusion effect of fixed block 604 and square locating piece 7 is better, the effect of installation is better simultaneously.
Referring to fig. 6, the positioning mechanism 11 includes an extrusion spring 1101, the bottom of the extrusion spring 1101 is fixedly connected to the inner wall of the circular groove 10, a fitting block 1102 is fixedly mounted on the top of the extrusion spring 1101, the outer surface of the fitting block 1102 is slidably connected to the inner wall of the circular groove 10, a deformation sleeve 1103 is fixedly mounted on the bottom of the fitting block 1102, and the deformation sleeve 1103 is sleeved on the outer surface of the extrusion spring 1101.
Adopt above-mentioned scheme: realize the power supply of whole positioning mechanism 11 through cooperation piece 1102 atress, because of power can transmit, give the power of a deformation of extrusion spring 1101 through deformation cover 1103 in cooperation piece 1102 atress, just so can realize crowding into the inside of circular recess 10 with cooperation piece 1102, thereby realize dismouting equipment body 1 and cooperation groove 12's cooperation and use, after waiting the cooperation to accomplish, because of the power effect mutual, extrusion spring 1101 also gives cooperation piece 1102 a same reaction force, just so can realize cooperation piece 1102 and annular positioning groove 13's cooperation and use, realize universal joint 9's quick installation, just so can realize that the effect of connecting is better.
Referring to fig. 1 and 4, the left side of the dismounting device body 1 is provided with an insulation monitoring device 14, and the right side of the insulation monitoring device 14 is fixedly connected with the left side of the dismounting device body 1.
Adopt above-mentioned scheme: through setting up insulating monitoring devices 14, just so can realize the monitoring that can understand whether dismouting equipment body 1 is insulating, the security is higher.
Referring to fig. 6, the limiting groove 15 has been all seted up to the left and right sides of circular recess 10 inner wall, and the equal fixed mounting in the left and right sides of cooperation piece 1102 has stopper 16, and the one end that two stopper 16 deviate from mutually all with the inside sliding connection of limiting groove 15.
Adopt above-mentioned scheme: through setting up spacing groove 15, just so can realize with cooperation piece 1102 left and right sides fixed mounting's stopper 16 sliding connection, the restriction that so not only can be fine cooperates the position of piece 1102, also enables cooperation piece 1102's movement track more stable simultaneously.
Referring to fig. 5, a fixing groove 17 is formed at the rear side of the square positioning block 7, and the inside of the fixing groove 17 is used in cooperation with the positioning block 4.
Adopt above-mentioned scheme: through setting up fixed slot 17, just so can make the location effect of square locating piece 7 better, the effect of dismouting is also better simultaneously.
Referring to fig. 4 and 7, an arc-shaped groove 18 is formed in the left side of the inner wall of the matching groove 12, an arc-shaped block 19 is fixedly mounted on the right side of the dismounting device body 1, the arc-shaped block 19 is matched with the arc-shaped groove 18 for use, and the arc-shaped block 19 is tightly matched with the arc-shaped groove 18.
Adopt above-mentioned scheme: through setting up arc wall 18, just so can realize using with the right side fixed mounting of dismouting equipment body 1 has arc piece 19 cooperation, just so can make the effect of universal joint 9 installation better, the effect of connecting simultaneously is also better.
Referring to fig. 3, a protective pad is sleeved on the top of the telescopic rod 8, and the protective pad is a plastic protective pad.
Adopt above-mentioned scheme: through setting up the protection pad, not only can improve user's hand comfort level like this, also can play the antiskid effect simultaneously.
The working principle of the invention is as follows:
when the manual pushing mechanism is used, firstly, the power source of the whole fixing mechanism 6 is realized by manually pulling the pushing handle 606, the round stop block 601 is driven to move by the pull rod 605 while the pushing handle 606 is pulled, so that the fixed block 604 can be pulled into the inside of the placing groove 5, the splicing of the square positioning block 7 and the square positioning groove 3 is realized, after the splicing is completed, the pushing handle 606 is manually pushed, the front side of the fixed block 604 and the square positioning block 7 are attached, meanwhile, the threaded rod 603 is pushed to the position matched with the threaded through hole 602, the pushing handle 606 is manually rotated, so that the better extrusion effect of the fixed block 604 and the square positioning block 7 can be realized, meanwhile, the installation effect is better, secondly, the power source of the whole positioning mechanism 11 is realized by the stress of the matching block 1102, the force can be transmitted, and a deformation force is given to the extrusion spring 1101 by the deformation sleeve 1103 while the stress of the matching block 1102, therefore, the matching block 1102 can be extruded into the circular groove 10, so that the assembling and disassembling device body 1 and the matching groove 12 can be matched for use, after the matching is finished, since the forces act in mutual opposition, the pressing spring 1101 also gives the fitting block 1102 an equal reaction force, which enables the fitting block 1102 to be used in cooperation with the annular positioning groove 13, meanwhile, the limiting grooves 15 are arranged, so that the sliding connection with the limiting blocks 16 fixedly arranged at the left side and the right side of the matching block 1102 can be realized, the position of the matching block 1102 can be well limited, meanwhile, the motion trail of the matching block 1102 can be more stable, the universal joint 9 can be quickly installed, just so can realize that the effect of connecting is better, at last through setting up insulating monitoring devices 14, just so can realize that monitoring dismouting equipment body 1 that can understand is insulating, and the security is higher.
In summary, the following steps: this portable super high voltage transmission line conductor spacer assembly and disassembly tools, through setting up dismouting equipment body 1, circular inserting groove 2, square constant head tank 3, locating piece 4, standing groove 5, fixed establishment 6, circular dog 601, screw thread through-hole 602, threaded rod 603, fixed block 604, traction lever 605, push handle 606, square locating piece 7, telescopic link 8, universal joint 9, circular recess 10, positioning mechanism 11, extrusion spring 1101, cooperation piece 1102, deformation cover 1103, cooperation groove 12, annular constant head tank 13, insulating monitoring devices 14, spacing groove 15, stopper 16, fixed slot 17, the cooperation of arc wall 18 and arc wall 19 is used, the poor problem of current connection effect has been solved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a portable extra-high voltage transmission line conductor spacer assembly and disassembly tools, includes dismouting equipment body (1) and universal joint (9), its characterized in that: the bottom of the dismounting device body (1) is provided with a circular insertion groove (2), the top of the inner wall of the circular insertion groove (2) is provided with a square positioning groove (3), the rear side of the inner wall of the square positioning groove (3) is fixedly provided with a positioning block (4), the front side of the inner wall of the square positioning groove (3) is provided with a placing groove (5), the inside of the placing groove (5) is fixedly provided with a fixing mechanism (6), the inside of the square positioning groove (3) is inserted with a square positioning block (7), the bottom of the square positioning block (7) is fixedly provided with a telescopic rod (8), the outer surface of the top of the telescopic rod (8) is matched with the circular insertion groove (2) for use, the top and the bottom of the right side of the dismounting device body (1) are both provided with circular grooves (10), and the insides of the two circular grooves (10) are both fixedly provided with positioning mechanisms (11), a matching groove (12) is formed in the left side of the universal joint (9), an annular positioning groove (13) is formed in the inner wall of the matching groove (12), and the interior of the matching groove (12) is matched with the disassembling and assembling equipment body (1) for use;
the fixing mechanism (6) comprises a circular stop block (601), the outer surface of the circular stop block (601) is fixedly connected with the inside of the placing groove (5), a threaded through hole (602) is formed in the circular stop block (601), a threaded rod (603) is connected with the internal thread of the threaded through hole (602), a fixed block (604) is fixedly installed on the rear side of the threaded rod (603), the rear side of the fixed block (604) is matched with the outer surface of the square positioning block (7) for use, a traction rod (605) is fixedly connected to the front side of the threaded rod (603), the front side of the traction rod (605) penetrates through the placing groove (5) and extends to the front side of the dismounting device body (1), and a pushing handle (606) is fixedly installed on the front side of the traction rod (605);
the positioning mechanism (11) comprises an extrusion spring (1101), the bottom of the extrusion spring (1101) is fixedly connected with the inner wall of the circular groove (10), a matching block (1102) is fixedly mounted at the top of the extrusion spring (1101), the outer surface of the matching block (1102) is in sliding connection with the inner wall of the circular groove (10), a deformation sleeve (1103) is fixedly mounted at the bottom of the matching block (1102), and the deformation sleeve (1103) is sleeved on the outer surface of the extrusion spring (1101);
arc wall (18) have been seted up on the left side of cooperation groove (12) inner wall, the right side fixed mounting of dismouting equipment body (1) has arc piece (19), arc piece (19) and arc wall (18) cooperation are used, arc piece (19) and arc wall (18) are the tight fit.
2. The portable ultra-high voltage transmission line spacer disassembly and assembly tool of claim 1, characterized in that: the left side of dismouting equipment body (1) is provided with insulating monitoring devices (14), the right side of insulating monitoring devices (14) and the left side fixed connection of dismouting equipment body (1).
3. The portable ultra-high voltage transmission line spacer disassembly and assembly tool of claim 1, characterized in that: spacing groove (15) have all been seted up to the left and right sides of circular recess (10) inner wall, the equal fixed mounting in the left and right sides of cooperation piece (1102) has stopper (16), and the one end that two stoppers (16) deviate from mutually all with the inside sliding connection of spacing groove (15).
4. The portable ultra-high voltage transmission line spacer disassembly and assembly tool of claim 1, characterized in that: the rear side of the square positioning block (7) is provided with a fixing groove (17), and the inside of the fixing groove (17) is matched with the positioning block (4) for use.
5. The portable ultra-high voltage transmission line spacer disassembly and assembly tool of claim 1, characterized in that: the top cover of telescopic link (8) is equipped with the protection and is filled up, and the protection fills up for plastic protection.
CN202011261319.1A 2020-11-12 2020-11-12 Portable ultra-high voltage transmission line spacer assembly and disassembly tools Active CN112436429B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011261319.1A CN112436429B (en) 2020-11-12 2020-11-12 Portable ultra-high voltage transmission line spacer assembly and disassembly tools

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Application Number Priority Date Filing Date Title
CN202011261319.1A CN112436429B (en) 2020-11-12 2020-11-12 Portable ultra-high voltage transmission line spacer assembly and disassembly tools

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CN112436429B true CN112436429B (en) 2021-11-23

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Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2643757B1 (en) * 1989-02-24 1991-06-07 Cahors App Elec METHOD AND TOOL FOR LAYING A CONDUCTOR SPACER FROM AN OVERHEAD ELECTRICAL LINE FROM THE GROUND, AND A SPACER RELATING THERETO
CN103166149B (en) * 2013-04-01 2016-02-24 国家电网公司 Bundle conductor conductor spacer fastened tools
CN203553752U (en) * 2013-10-31 2014-04-16 国家电网公司 Power transmission line spacing rod replacing tool
CN207117073U (en) * 2017-08-31 2018-03-16 国网河南省电力公司平顶山供电公司 A kind of power cable narrow zone terminals attaching/detaching apparatus
CN209016563U (en) * 2018-12-03 2019-06-21 河北新运电力设备有限公司 Conductor spacer quick-loading tool
CN210255979U (en) * 2019-05-21 2020-04-07 徐瑞林 Fastening live-wire line bolt insulator spindle
CN111064100A (en) * 2019-11-05 2020-04-24 湖北工业大学 Insulating operating rod for power maintenance

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