CN203871745U - Double-hoisting-point rod head fixture for live changing of linear insulator on steel pipe pole of 220kV line - Google Patents

Double-hoisting-point rod head fixture for live changing of linear insulator on steel pipe pole of 220kV line Download PDF

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Publication number
CN203871745U
CN203871745U CN201420202991.7U CN201420202991U CN203871745U CN 203871745 U CN203871745 U CN 203871745U CN 201420202991 U CN201420202991 U CN 201420202991U CN 203871745 U CN203871745 U CN 203871745U
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China
Prior art keywords
fastening
crossbeam
hoisting
double
steel pipe
Prior art date
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Application number
CN201420202991.7U
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Chinese (zh)
Inventor
张森
马宁
宋丽
雷宏阳
朱海荣
于春宏
袁一文
曲家波
薛丽敏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
State Grid Liaoning Electric Power Co Ltd
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State Grid Corp of China SGCC
State Grid Liaoning Electric Power Co Ltd
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Priority to CN201420202991.7U priority Critical patent/CN203871745U/en
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Abstract

The utility model relates to a double-hoisting-point rod head fixture for live changing of a linear insulator on a steel pipe pole of a 220kV line, which comprises the components of: a force bearing upper crossbeam, a fastening lower crossbeam and fastening bolts. The force bearing upper crossbeam and the fastening lower crossbeam are respectively provided with two adjustable elongated holes. Two ends of the force bearing upper crossbeam 1 are respectively with a U-shaped tank. Each U-shaped tank is connected with a bolt forming tool suspension point. Two fastening bolts are arranged. The two fastening bolts respectively penetrate through the adjustable elongated holes on the fastening lower crossbeam and the force bearing upper crossbeam successively for connecting the force bearing upper crossbeam with the fastening lower crossbeam. The double-hoisting-point rod head fixture can be used on a live line and improves power supply reliability. The double-hoisting-point rod head fixture is suitable for all large-span single-lead and multiple-lead steel pipe pole power transmission lines and has improved versatility. When the double-hoisting-point rod head fixture is mounted on a cross arm head of the steel pipe pole, the double-hoisting-point rod head fixture performs functions of : effectively enlarging a distance between a live lead and ground and an air gap, improving insulation coefficient and insulating level of an insulating tool, and improving safety.

Description

Used pair of suspension centre bar head jig of 220kV power line steel tuble pole electrified replacing linear insulator
Technical field
The utility model relates to a kind of for the special bearing tool of power transmission line steel pipe rod electrified replacing linear insulator, especially relates to used pair of suspension centre bar head jig of a kind of 220kV power line steel tuble pole electrified replacing linear insulator.
Background technology
The circuit of steel pipe pole has that good looking appearance, floor space are little, shaft tower material is difficult for the advantages such as loss, but also there is the shortcomings such as cost is high, maintenance inconvenience, transport inconvenience, application to some extent in transmission line in recent years, but not very extensive, while only having minority area or special requirement, just set up this type of transmission line.Tradition live line working is installed, is safeguarded that insulating tool used and method of operation do not update to new standard.Particularly need to be in the time that steel pipe pole cross-arm head hang suspension centre, because the similar cuboid member of steel pipe pole is succinct, cross-arm head is smooth and do not have installing hole, hot line job to be difficult to launch.
Utility model content
The technical problems to be solved in the utility model is to provide used pair of suspension centre bar head jig of a kind of 220kV power line steel tuble pole electrified replacing linear insulator.This jig is arranged on steel pipe pole cross-arm head, hangs vertical load that load insulating tool shifts wire to reach circuit exercisable object when charged with it.
The problem existing in order to solve prior art, the technical solution adopted in the utility model is:
Used pair of suspension centre bar head jig of 220kV power line steel tuble pole electrified replacing linear insulator, include: load entablature, fastening sill and fastening bolt, on described load entablature and fastening sill, respectively have two adjustable slotted holes, the two ends of load entablature 1 are provided with U-lag, on U-lag, be connected with bolt and form instrument hitch point, the quantity of fastening bolt is two, and two fastening bolts link together load entablature and fastening sill through the adjustable slotted hole on fastening sill and load entablature respectively successively.
The fastening bottom rail beam length of the Length Ratio 100mm of described load entablature.
Advantage and effect that the utility model has are:
1, the utility model has changed needs to have a power failure just achievable events in operation in the past, can on alive circuit, carry out, and has improved power supply reliability
2, the utility model can adapt to the installation of this area all 220KV power transmission line steel pipe rods cross-arm head, and the steel pipe pole transmission line that is suitable for all large leaps, single conductor and multiple wire uses, and has improved versatility
3, when the utility model is arranged on steel pipe pole cross-arm head, also effectively increase live wire distance to the ground, air gap, the insulating coefficient that has strengthened insulating tool and insulation level, improved fail safe
4, when the utility model uses on dead line, can improve and cause insulator that difficulty, setting fastening and the difficulty of triping are installed because coaster suspension centre is too low.
Brief description of the drawings
Fig. 1 is overall structure schematic diagram of the present utility model;
Fig. 2 is that the utility model uses state reference map.
In figure: load entablature 1, fastening sill 2, adjustable slotted hole 3, adjustable slotted hole 4, fastening bolt 5, U-lag 11, hole 7, bolt 12.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As shown in Figure 1, 2, used pair of suspension centre bar head jig of the utility model 220kV power line steel tuble pole electrified replacing linear insulator includes: load entablature 1 and fastening sill 2, the both sides of described load entablature 1 have two equidistant adjustable slotted holes 3, for adjusting the position of the required installation of fastening bolt and the width of adaptation steel pipe pole cross-arm head.The two ends of load entablature 1 are respectively provided with a U-lag 11, and the both sides of U-lag 11 have hole 7, and bolt 12 is fixed formation instrument hitch point through behind hole 7 by nut.Instrument hitch point is used for hanging insulating tool, is the member of stressed maximum in this jig.Described fastening sill 2 lies in a horizontal plane in steel pipe pole cross-arm head lower floor, has two equidistant adjustable slotted holes 4 to adapt to the width of steel pipe pole cross-arm head on it.The quantity of fastening bolt 5 is two, and two fastening bolts link together load entablature and fastening sill through the adjustable slotted hole on fastening sill and load entablature respectively successively, make the present invention firmly be located in steel pipe pole cross-arm head.Two fastening bolts 5 vertically penetrate in the adjustable slotted hole of fastening sill and load entablature and make this cover jig keep balance, for carrying the uneven pulling force producing from operation.Lie in a horizontal plane in steel pipe pole cross-arm head upper strata, for carrying the vertical load all from wire.
The fastening bottom rail beam length of the Length Ratio 100mm of described load entablature 1.

Claims (2)

  1. Used pair of suspension centre bar head jig of 1.220kV power line steel tuble pole electrified replacing linear insulator, it is characterized in that including: load entablature, fastening sill and fastening bolt, on described load entablature and fastening sill, respectively have two adjustable slotted holes, the two ends of load entablature 1 are provided with U-lag, on U-lag, be connected with bolt and form instrument hitch point, the quantity of fastening bolt is two, and two fastening bolts link together load entablature and fastening sill through the adjustable slotted hole on fastening sill and load entablature respectively successively.
  2. 2. used pair of suspension centre bar head jig of 220kV power line steel tuble pole electrified replacing linear insulator according to claim 1, the fastening bottom rail beam length of the Length Ratio 100mm of the load entablature described in it is characterized in that.
CN201420202991.7U 2014-04-24 2014-04-24 Double-hoisting-point rod head fixture for live changing of linear insulator on steel pipe pole of 220kV line Active CN203871745U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420202991.7U CN203871745U (en) 2014-04-24 2014-04-24 Double-hoisting-point rod head fixture for live changing of linear insulator on steel pipe pole of 220kV line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420202991.7U CN203871745U (en) 2014-04-24 2014-04-24 Double-hoisting-point rod head fixture for live changing of linear insulator on steel pipe pole of 220kV line

Publications (1)

Publication Number Publication Date
CN203871745U true CN203871745U (en) 2014-10-08

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420202991.7U Active CN203871745U (en) 2014-04-24 2014-04-24 Double-hoisting-point rod head fixture for live changing of linear insulator on steel pipe pole of 220kV line

Country Status (1)

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CN (1) CN203871745U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103928867A (en) * 2014-04-24 2014-07-16 国家电网公司 Double-hoisting-point pole head clamp for replacing straight-line insulator of 220 kV line steel pipe pole in electrified mode
CN104362544A (en) * 2014-11-17 2015-02-18 国家电网公司 Pulley type tower head clamp
CN105846356A (en) * 2016-06-07 2016-08-10 国家电网公司 Ground wire lifting fixture of steel tube tower for power transmission line
CN107947015A (en) * 2017-11-30 2018-04-20 国家电网公司 Tension-resistant rod live replacing device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103928867A (en) * 2014-04-24 2014-07-16 国家电网公司 Double-hoisting-point pole head clamp for replacing straight-line insulator of 220 kV line steel pipe pole in electrified mode
CN104362544A (en) * 2014-11-17 2015-02-18 国家电网公司 Pulley type tower head clamp
CN105846356A (en) * 2016-06-07 2016-08-10 国家电网公司 Ground wire lifting fixture of steel tube tower for power transmission line
CN107947015A (en) * 2017-11-30 2018-04-20 国家电网公司 Tension-resistant rod live replacing device

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