CN103192336A - Method for bolt fastening of suspension clamp of power transmission line and special tool - Google Patents
Method for bolt fastening of suspension clamp of power transmission line and special tool Download PDFInfo
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- CN103192336A CN103192336A CN201310154648XA CN201310154648A CN103192336A CN 103192336 A CN103192336 A CN 103192336A CN 201310154648X A CN201310154648X A CN 201310154648XA CN 201310154648 A CN201310154648 A CN 201310154648A CN 103192336 A CN103192336 A CN 103192336A
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Abstract
The invention relates to a method for bolt fastening of a suspension clamp of a power transmission line and a special tool, and belongs to the technical field of power supply construction, overhauling and maintenance. The technical scheme is as follows: the special tool comprises a bolt storage sleeve, a transmission steering device and a transmission operating device, wherein the bolt storage sleeve consists of a sleeve body (2), a bolt storage tank (1) and a sleeve connecting groove; the transmission steering device consists of sleeve base (3), a gear I (7), a gear II (10), an insulated tube (11) and a transmission shaft; and the transmission operating device consists of a fixed tube (17), a transmission handle (13) and a transmission shaft. The method and the special tool have the positive effects that by adopting the ingeniously designed special bolt storage sleeve for inner layer transmission, steering, and simultaneously storage of bolts, spring pads and flat pads, the aim of long-range supplementing and fastening of bolts is realized, therefore, an earth potential working method can be adopted to solve the problem that U-shaped bolts of a lead suspension clamp of the power transmission line are loosened and fall off.
Description
Technical field
The present invention relates to a kind of transmission line of electricity suspension clamp bolt tightening method and specific purpose tool, belong to power supply construction, maintenance and maintenance technology field.
Background technology
Overhead transmission line is operation in the open air throughout the year, often faces the influence of various complicated geographical environments and climatic environment, and various unfavorable factors (as wind-force, icing etc.) can cause the vibration of lead.Conductor vibration causes the U-shaped cable clip bolt nut loosening of lead catenary, comes off, and lead is loosening in wire clamp, and with the wire clamp frictional impact, very easily damage, even disconnected strand, broken string situation occur causes the transmission line of electricity stoppage in transit during conductor vibration.So become flexible, come off in case bolt and nut occurs, must in time handle.At present, background technology adopts power failure operation or equipotential livewire work to handle this kind defective, factor restricts because the transmission line of electricity interruption maintenance is subjected in many ways, be difficult in time have a power failure, and some tower livewire work personnel is difficult to enter equipotential, above-mentioned two kinds of repair methods all are difficult in time add, fastening bolt, in case the broken string accident takes place, cause the tremendous economic loss will for power supply enterprise and power consumer.
Summary of the invention
The object of the invention provides a kind of transmission line of electricity suspension clamp bolt tightening method and specific purpose tool, can in time add, fastening overhead transmission line conductor suspension clamp U-bolt, can the earth potential live operation, handle overhead transmission line conductor suspension clamp U-bolt safe, reliable, efficiently and become flexible, come off, solve the problems referred to above that background technology exists.
Technical scheme of the present invention is: transmission line of electricity suspension clamp bolted specific purpose tool, comprise bolt storage sleeve, transmission turning device and transmission operating means, bolt storage sleeve is made of sleeve body, bolt holding tank and sleeve link slot, the bolt holding tank is interior hexagonal structure, be complementary with transmission line of electricity suspension clamp bolt, be arranged on an end of sleeve body, the other end of sleeve body arranges the sleeve link slot; The transmission turning device is made up of receiver, gear one, gear two, insulation tube and power transmission shaft, the sleeve link slot of receiver and bolt storage sleeve mates mutually, receiver and gear one link together, rotate with gear one, gear one meshes mutually with gear two, gear two is connected with power transmission shaft one end, and power transmission shaft is through in the insulation tube, and the other end of power transmission shaft is provided with the yi word pattern joint of projection; The transmission operating means is made up of stationary pipes, handler, turning cylinder, and turning cylinder passes stationary pipes, and an end and handler are connected as a single entity, and the other end is provided with the yi word pattern groove, and the yi word pattern joint of this yi word pattern groove and transmission turning device is complementary.
The present invention also is provided with bolt clamp device, bolt clamp device is made up of action bars, joint, connecting plate, ratchet spanner and sleeve, one end of connecting plate is hinged with joint, the other end is provided with ratchet spanner, ratchet spanner is provided with sleeve, sleeve is provided with interior hexagonal structure, is complementary with transmission line of electricity suspension clamp bolt, and action bars is connected with the joint coupling.
Described transmission turning device is provided with the adjustment bolt between gear one and the gear two, is used for adjusting the angle of engagement between gear one and the gear two, changes the angle of engagement between gear one and the gear two, just changes the direction of gear transmission strength.
Described transmission turning device, an end of insulation tube arranges gear two, and the other end is provided with tool-joint one, and tool-joint one is provided with internal thread; Described transmission operating means, stationary pipes one end arranges handler, and the other end is provided with tool-joint two, and tool-joint two is external screw thread, and the internal thread of this external screw thread and transmission turning device insulation tube tool-joint one is complementary.Handler, stationary pipes, insulation tube are insulating materials and make.
Described transmission turning device, receiver are four rib square column structures, pass framework and are connected with gear one, and four rib square columns are provided with the spring pearl, and framework is provided with pad, jump ring; Described bolt storage sleeve, the sleeve link slot is internal square hole, is complementary with receiver four rib square column structures.
The present invention also is provided with the joint that continues, formed by insulation stationary pipes, the turning cylinder that continues, the turning cylinder that continues passes the insulation stationary pipes, turning cylinder one end that continues is provided with the yi word pattern groove, yi word pattern joint coupling with the transmission turning device, the other end of turning cylinder of continuing is provided with the yi word pattern joint, with the yi word pattern groove coupling of transmission operating means, is used for lengthening the length of integrated operation bar.
Transmission line of electricity suspension clamp bolt tightening method, adopt above-mentioned specific purpose tool, the charged operation, after the nut loosening of transmission line of electricity suspension clamp bolt comes off, bolt in specific purpose tool storage sleeve, transmission turning device, transmission operating means are assembled into one successively, the sleeve link slot of bolt storage sleeve and the receiver of transmission turning device are complementary, and the yi word pattern joint of transmission turning device and the yi word pattern groove of transmission operating means are complementary; The nut of suspension clamp bolt is placed in the bolt holding tank of bolt storage sleeve, hand-held transmission operating means is delivered to transmission line of electricity suspension clamp bolt place with nut, rotate the handler of transmission operating means with hand, turning cylinder in the stationary pipes rotates, the power transmission shaft that drives the transmission turning device rotates, insulation tube does not rotate, turning cylinder driven gear two rotates, gear two driven gears one rotate, gear one drives receiver and rotates, receiver drives bolt storage sleeve and rotates, and the nut that will be positioned at the bolt holding tank is screwed on the vertical line folder bolt, finishes and adds nut.
If add the fastening strength deficiency of nut, also need to use bolt clamp device to carry out charged fastening to the nut of adding, bolt clamp device is made up of action bars, joint, connecting plate, ratchet spanner and sleeve, one end of connecting plate is hinged with joint, the other end is provided with ratchet spanner, and ratchet spanner is provided with sleeve, and sleeve is provided with interior hexagonal structure, be complementary with transmission line of electricity suspension clamp bolt, action bars is connected with the joint coupling; Sleeve on the ratchet spanner is aimed at the nut of adding, clockwise rotate action bars with hand, connecting plate rotates, and the sleeve that drives on the ratchet spanner rotates, and carries out fastening to nut.
Good effect of the present invention: the internal layer transmission by ingenious design, turn to and can deposit simultaneously bolt, spring pad, plain cushion special bolt storage sleeve, realized adding at a distance, the purpose of fastening bolt, thereby can adopt the earth potential working method, make that transmission line wire suspension clamp U-bolt loose or dislocation problem is solved.
Description of drawings
Fig. 1 is embodiment of the invention bolt storage tube-in-tube structure schematic diagram;
Fig. 2 is embodiment of the invention transmission turning apparatus structure schematic diagram;
Fig. 3 is the embodiment of the invention joint structural representation that continues;
Fig. 4 is embodiment of the invention transmission operating means structural representation;
Fig. 5 is embodiment of the invention bolt clamp device structural representation;
Fig. 6 combines schematic diagram for embodiment of the invention bolt storage sleeve, transmission turning device;
Fig. 7 is embodiment of the invention yi word pattern joint and yi word pattern groove structure schematic diagram;
Fig. 8 uses view for the embodiment of the invention;
Among the figure: bolt holding tank 1, sleeve body 2, receiver 3, spring pearl 4, pad 5, jump ring 6, gear 1, framework 8, adjusting bolt 9, gear 2 10, insulation tube 11, yi word pattern groove 12, handler 13, stationary pipes 17, cavity 14, connecting plate 15, ratchet spanner 16, sleeve 18, insulation stationary pipes 19, the turning cylinder 20 that continues, joint 21, tool-joint 1, tool-joint 2 23, action bars 24.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention will be further described by embodiment.
Transmission line of electricity suspension clamp bolted specific purpose tool, comprise bolt storage sleeve, transmission turning device and transmission operating means, bolt storage sleeve is made of sleeve body 2, bolt holding tank 1 and sleeve link slot, the bolt holding tank is interior hexagonal structure, be complementary with transmission line of electricity suspension clamp bolt, be arranged on an end of sleeve body, the other end of sleeve body arranges the sleeve link slot; The transmission turning device is made up of receiver 3, gear 1, gear 2 10, insulation tube 11 and power transmission shaft, the sleeve link slot of receiver and bolt storage sleeve mates mutually, receiver and gear one link together, rotate with gear one, gear one meshes mutually with gear two, gear two is connected with power transmission shaft one end, and power transmission shaft is through in the insulation tube, and the other end of power transmission shaft is provided with the yi word pattern joint of projection; The transmission operating means is made up of stationary pipes 17, handler 13, turning cylinder, and turning cylinder passes stationary pipes, and an end and handler are connected as a single entity, and the other end is provided with yi word pattern groove 12, and the yi word pattern joint of this yi word pattern groove and transmission turning device is complementary.
The present invention also is provided with bolt clamp device, bolt clamp device is made up of action bars 24, joint 21, connecting plate 15, ratchet spanner 16 and sleeve 18, one end of connecting plate is hinged with joint, the other end is provided with ratchet spanner, ratchet spanner is provided with sleeve, sleeve is provided with interior hexagonal structure, is complementary with transmission line of electricity suspension clamp bolt, and action bars is connected with the joint coupling.
Described transmission turning device is provided with between gear one and the gear two and adjusts bolt 9, is used for adjusting the angle of engagement between gear one and the gear two, changes the angle of engagement between gear one and the gear two, just changes the direction of gear transmission strength.
Described transmission turning device, an end of insulation tube arranges gear two, and the other end is provided with tool-joint 1, and tool-joint one is provided with internal thread; Described transmission operating means, stationary pipes one end arranges handler, and the other end is provided with tool-joint 2 23, and tool-joint two is external screw thread, and the internal thread of this external screw thread and transmission turning device insulation tube tool-joint one is complementary.Handler, stationary pipes, insulation tube are insulating materials and make.
Described transmission turning device, receiver are four rib square column structures, pass framework and are connected with gear one, and four rib square columns are provided with spring pearl 4, and framework is provided with pad 5, jump ring 6; Described bolt storage sleeve, the sleeve link slot is internal square hole, is complementary with receiver four rib square column structures.
The present invention also is provided with the joint that continues, formed by insulation stationary pipes 19, the turning cylinder 20 that continues, the turning cylinder that continues passes the insulation stationary pipes, turning cylinder one end that continues is provided with the yi word pattern groove, yi word pattern joint coupling with the transmission turning device, the other end of turning cylinder of continuing is provided with the yi word pattern joint, with the yi word pattern groove coupling of transmission operating means, is used for lengthening the length of integrated operation bar.
Transmission line of electricity suspension clamp bolt tightening method, adopt above-mentioned specific purpose tool, the charged operation, after the nut loosening of transmission line of electricity suspension clamp bolt comes off, bolt in specific purpose tool storage sleeve, transmission turning device, transmission operating means are assembled into one successively, the sleeve link slot of bolt storage sleeve and the receiver of transmission turning device are complementary, and the yi word pattern joint of transmission turning device and the yi word pattern groove of transmission operating means are complementary; The nut of suspension clamp bolt is placed in the bolt holding tank of bolt storage sleeve, hand-held transmission operating means is delivered to transmission line of electricity suspension clamp bolt place with nut, rotate the handler of transmission operating means with hand, turning cylinder in the stationary pipes rotates, the power transmission shaft that drives the transmission turning device rotates, insulation tube does not rotate, turning cylinder driven gear two rotates, gear two driven gears one rotate, gear one drives receiver and rotates, receiver drives bolt storage sleeve and rotates, and the nut that will be positioned at the bolt holding tank is screwed on the vertical line folder bolt, finishes and adds nut.
If add the fastening strength deficiency of nut, also need to use bolt clamp device to carry out charged fastening to the nut of adding, bolt clamp device is made up of action bars, joint, connecting plate, ratchet spanner and sleeve, one end of connecting plate is hinged with joint, the other end is provided with ratchet spanner, and ratchet spanner is provided with sleeve, and sleeve is provided with interior hexagonal structure, be complementary with transmission line of electricity suspension clamp bolt, action bars is connected with the joint coupling; Sleeve on the ratchet spanner is aimed at the nut of adding, clockwise rotate action bars with hand, connecting plate rotates, and the sleeve that drives on the ratchet spanner rotates, and carries out fastening to nut.
Specific purpose tool of the present invention adopts inside and outside two-layer version, and the power transmission shaft of internal layer, turning cylinder can rotate, and by the transmission turning device rotatory force is passed on the bolt storage sleeve; Outer field insulation tube, stationary pipes can not be rotated.Bolt storage sleeve, gear one, gear two, tool-joint, ratchet spanner adopt metal material, and all the other all adopt insulating materials.Wherein the transmission operating means adopts the rotatable transmission of hand, the inside and outside insulating materials that all adopts.Tool-joint is made by metal material, and transmission is connected with the yi word pattern joint by the yi word pattern groove in the instrument street corner.The joint ectonexine that continues is made by insulated pipes used.The transmission turning device is made by metal material, comprises up and down two parts, is divided into two-layerly equally, and skin is framework, and internal layer is gear shaft.Two parts framework connects by regulating bolt up and down, and gear one, gear two are connected.Top, transmission turning device top is square card post, is connected with bolt storage sleeve.The lower part tail end is axis body, and is in transmission connection.Bolt storage sleeve is used for depositing plain cushion, spring pad.Fastening is ordinary cartridge with the ratchet spanner head, and the cavity on the connecting plate can weight reduction, and afterbody is the connector that contains internal thread, is used for being connected with action bars.
Claims (9)
1. transmission line of electricity suspension clamp bolted specific purpose tool, it is characterized in that: comprise bolt storage sleeve, transmission turning device and transmission operating means, bolt storage sleeve is made of sleeve body (2), bolt holding tank (1) and sleeve link slot, the bolt holding tank is interior hexagonal structure, be complementary with transmission line of electricity suspension clamp bolt, be arranged on an end of sleeve body, the other end of sleeve body arranges the sleeve link slot; The transmission turning device is made up of receiver (3), gear one (7), gear two (10), insulation tube (11) and power transmission shaft, the sleeve link slot of receiver and bolt storage sleeve mates mutually, receiver and gear one link together, rotate with gear one, gear one meshes mutually with gear two, gear two is connected with power transmission shaft one end, and power transmission shaft is through in the insulation tube, and the other end of power transmission shaft is provided with the yi word pattern joint of projection; The transmission operating means is made up of stationary pipes (17), handler (13), turning cylinder, turning cylinder passes stationary pipes, one end and handler are connected as a single entity, and the other end is provided with yi word pattern groove (12), and the yi word pattern joint of this yi word pattern groove and transmission turning device is complementary.
2. transmission line of electricity suspension clamp bolted specific purpose tool according to claim 1, it is characterized in that: also be provided with bolt clamp device, bolt clamp device is made up of action bars, joint (21), connecting plate (15), ratchet spanner (16) and sleeve (18), one end of connecting plate is hinged with joint, the other end is provided with ratchet spanner, and ratchet spanner is provided with sleeve, and sleeve is provided with interior hexagonal structure, be complementary with transmission line of electricity suspension clamp bolt, action bars is connected with the joint coupling.
3. transmission line of electricity suspension clamp bolted specific purpose tool according to claim 1 and 2, it is characterized in that: described transmission turning device, be provided with between gear one and the gear two and adjust bolt (9), be used for adjusting the angle of engagement between gear one and the gear two, change the angle of engagement between gear one and the gear two, just change the direction of gear transmission strength.
4. transmission line of electricity suspension clamp bolted specific purpose tool according to claim 1 and 2, it is characterized in that: described transmission turning device, one end of insulation tube arranges gear two, and the other end is provided with tool-joint one (22), and tool-joint one is provided with internal thread; Described transmission operating means, stationary pipes one end arranges handler, and the other end is provided with tool-joint two (23), and tool-joint two is external screw thread, and the internal thread of this external screw thread and transmission turning device insulation tube tool-joint one is complementary; Handler, stationary pipes, insulation tube are insulating materials and make.
5. transmission line of electricity suspension clamp bolted specific purpose tool according to claim 1 and 2, it is characterized in that: described transmission turning device, receiver is four rib square column structures, passing framework is connected with gear one, four rib square columns are provided with spring pearl (4), and framework is provided with pad (5), jump ring (6); Described bolt storage sleeve, the sleeve link slot is internal square hole, is complementary with receiver four rib square column structures.
6. transmission line of electricity suspension clamp bolted specific purpose tool according to claim 1 and 2, it is characterized in that: also be provided with the joint that continues, formed by insulation stationary pipes (19), the turning cylinder that continues (20), the turning cylinder that continues passes the insulation stationary pipes, turning cylinder one end that continues is provided with the yi word pattern groove, and with the yi word pattern joint coupling of transmission turning device, the other end of the turning cylinder that continues is provided with the yi word pattern joint, with the yi word pattern groove coupling of transmission operating means, be used for lengthening the length of integrated operation bar.
7. transmission line of electricity suspension clamp bolt tightening method, it is characterized in that right to use requires 1 specific purpose tool that limits to carry out, the charged operation, after the nut loosening of transmission line of electricity suspension clamp bolt comes off, bolt in specific purpose tool storage sleeve, transmission turning device, transmission operating means are assembled into one successively, the sleeve link slot of bolt storage sleeve and the receiver of transmission turning device are complementary, and the yi word pattern joint of transmission turning device and the yi word pattern groove of transmission operating means are complementary; The nut of suspension clamp bolt is placed in the bolt holding tank of bolt storage sleeve, hand-held transmission operating means is delivered to transmission line of electricity suspension clamp bolt place with nut, rotate the handler of transmission operating means with hand, turning cylinder in the stationary pipes rotates, the power transmission shaft that drives the transmission turning device rotates, insulation tube does not rotate, turning cylinder driven gear two rotates, gear two driven gears one rotate, gear one drives receiver and rotates, receiver drives bolt storage sleeve and rotates, and the nut that will be positioned at the bolt holding tank is screwed on the vertical line folder bolt, finishes and adds nut.
8. transmission line of electricity suspension clamp bolt tightening method according to claim 7, it is characterized in that: use bolt clamp device to carry out charged fastening to the nut of adding, bolt clamp device is made up of action bars, joint, connecting plate, ratchet spanner and sleeve, one end of connecting plate is hinged with joint, the other end is provided with ratchet spanner, and ratchet spanner is provided with sleeve, and sleeve is provided with interior hexagonal structure, be complementary with transmission line of electricity suspension clamp bolt, action bars is connected with the joint coupling; Sleeve on the ratchet spanner is aimed at the nut of adding, clockwise rotate action bars with hand, connecting plate rotates, and the sleeve that drives on the ratchet spanner rotates, and carries out fastening to nut.
9. according to claim 7 or 8 described transmission line of electricity suspension clamp bolt tightening methods, it is characterized in that: adopt inside and outside two-layer version, the power transmission shaft of internal layer, turning cylinder can rotate, and by the transmission turning device rotatory force are passed on the bolt storage sleeve; Outer field insulation tube, stationary pipes can not be rotated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310154648.XA CN103192336B (en) | 2013-04-28 | 2013-04-28 | Method for bolt fastening of suspension clamp of power transmission line |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310154648.XA CN103192336B (en) | 2013-04-28 | 2013-04-28 | Method for bolt fastening of suspension clamp of power transmission line |
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| CN103192336A true CN103192336A (en) | 2013-07-10 |
| CN103192336B CN103192336B (en) | 2014-09-10 |
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| CN201310154648.XA Active CN103192336B (en) | 2013-04-28 | 2013-04-28 | Method for bolt fastening of suspension clamp of power transmission line |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104227638A (en) * | 2014-09-17 | 2014-12-24 | 国家电网公司 | Connecting piece of fastening tool for electric steel pole flange bolt |
| CN105552777A (en) * | 2016-01-19 | 2016-05-04 | 国网浙江平湖市供电公司 | Multifunctional insulated operating rod |
| CN105643536A (en) * | 2016-03-31 | 2016-06-08 | 国网山东省电力公司青岛供电公司 | Nut operating device |
| CN106329396A (en) * | 2016-09-05 | 2017-01-11 | 国家电网公司 | Damper installation tool |
| CN106451230A (en) * | 2016-09-05 | 2017-02-22 | 国家电网公司 | Vibration-proofing hammer electric installation tool |
| CN107359435A (en) * | 2017-07-28 | 2017-11-17 | 国网安徽省电力公司合肥供电公司 | A kind of transmission line of electricity split multi-angle formula grounding wire device |
| CN108274420A (en) * | 2018-04-04 | 2018-07-13 | 国网冀北电力有限公司廊坊供电公司 | A kind of overhead transmission line hotline maintenance universal wrench |
| CN108808558A (en) * | 2018-07-26 | 2018-11-13 | 国网青海省电力公司海东供电公司 | Lead for distribution uninterrupted operation is fixed and interim suspension arrangement |
| CN108879473A (en) * | 2018-07-15 | 2018-11-23 | 东北电力大学 | A kind of novel Work tool for overhead transmission line charged for replacement side of wire bolt |
| CN109909936A (en) * | 2019-04-11 | 2019-06-21 | 龙岩市海德馨汽车有限公司 | A kind of robot for high-voltage hot-line work special electric sleeve and control system |
| CN111376039A (en) * | 2020-04-09 | 2020-07-07 | 云南电网有限责任公司电力科学研究院 | Bolt fastening device for vibration damper |
| CN111496725A (en) * | 2020-06-02 | 2020-08-07 | 国网冀北电力有限公司廊坊供电公司 | Adjustment wrench for overhauling |
| CN112936151A (en) * | 2021-02-09 | 2021-06-11 | 广东电网有限责任公司广州供电局 | Bolt fastening device |
| CN116885627A (en) * | 2023-09-04 | 2023-10-13 | 国网湖北省电力有限公司超高压公司 | Combined tool for replacing direct current grounding electrode line suspension string and replacement method |
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Cited By (17)
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| CN104227638A (en) * | 2014-09-17 | 2014-12-24 | 国家电网公司 | Connecting piece of fastening tool for electric steel pole flange bolt |
| CN104227638B (en) * | 2014-09-17 | 2016-03-02 | 国家电网公司 | Electric power steel pole flange bolt fastening tool connection |
| CN105552777A (en) * | 2016-01-19 | 2016-05-04 | 国网浙江平湖市供电公司 | Multifunctional insulated operating rod |
| CN105552777B (en) * | 2016-01-19 | 2017-09-29 | 国网浙江平湖市供电公司 | A kind of weighting meter |
| CN105643536A (en) * | 2016-03-31 | 2016-06-08 | 国网山东省电力公司青岛供电公司 | Nut operating device |
| CN106329396A (en) * | 2016-09-05 | 2017-01-11 | 国家电网公司 | Damper installation tool |
| CN106451230A (en) * | 2016-09-05 | 2017-02-22 | 国家电网公司 | Vibration-proofing hammer electric installation tool |
| CN107359435A (en) * | 2017-07-28 | 2017-11-17 | 国网安徽省电力公司合肥供电公司 | A kind of transmission line of electricity split multi-angle formula grounding wire device |
| CN108274420A (en) * | 2018-04-04 | 2018-07-13 | 国网冀北电力有限公司廊坊供电公司 | A kind of overhead transmission line hotline maintenance universal wrench |
| CN108879473A (en) * | 2018-07-15 | 2018-11-23 | 东北电力大学 | A kind of novel Work tool for overhead transmission line charged for replacement side of wire bolt |
| CN108808558A (en) * | 2018-07-26 | 2018-11-13 | 国网青海省电力公司海东供电公司 | Lead for distribution uninterrupted operation is fixed and interim suspension arrangement |
| CN109909936A (en) * | 2019-04-11 | 2019-06-21 | 龙岩市海德馨汽车有限公司 | A kind of robot for high-voltage hot-line work special electric sleeve and control system |
| CN111376039A (en) * | 2020-04-09 | 2020-07-07 | 云南电网有限责任公司电力科学研究院 | Bolt fastening device for vibration damper |
| CN111496725A (en) * | 2020-06-02 | 2020-08-07 | 国网冀北电力有限公司廊坊供电公司 | Adjustment wrench for overhauling |
| CN112936151A (en) * | 2021-02-09 | 2021-06-11 | 广东电网有限责任公司广州供电局 | Bolt fastening device |
| CN116885627A (en) * | 2023-09-04 | 2023-10-13 | 国网湖北省电力有限公司超高压公司 | Combined tool for replacing direct current grounding electrode line suspension string and replacement method |
| CN116885627B (en) * | 2023-09-04 | 2023-11-28 | 国网湖北省电力有限公司超高压公司 | Combined tool for replacing direct current grounding electrode line suspension string and replacement method |
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