CN102403674B - A kind of live-wire work insulating cross arm - Google Patents

A kind of live-wire work insulating cross arm Download PDF

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Publication number
CN102403674B
CN102403674B CN201110341349.8A CN201110341349A CN102403674B CN 102403674 B CN102403674 B CN 102403674B CN 201110341349 A CN201110341349 A CN 201110341349A CN 102403674 B CN102403674 B CN 102403674B
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CN
China
Prior art keywords
anchor ear
arm
fag
bolt
wire
Prior art date
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Application number
CN201110341349.8A
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Chinese (zh)
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CN102403674A (en
Inventor
张建华
张立学
李军
王世成
陈宇
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.)
Huludao Power Supply Company, Liaoning Electric Power Co., Ltd.
State Grid Corp of China SGCC
Original Assignee
HULUDAO POWER SUPPLY COMPANY LIAONING ELECTRIC POWER Co Ltd
State Grid Corp of China SGCC
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Application filed by HULUDAO POWER SUPPLY COMPANY LIAONING ELECTRIC POWER Co Ltd, State Grid Corp of China SGCC filed Critical HULUDAO POWER SUPPLY COMPANY LIAONING ELECTRIC POWER Co Ltd
Priority to CN201110341349.8A priority Critical patent/CN102403674B/en
Publication of CN102403674A publication Critical patent/CN102403674A/en
Application granted granted Critical
Publication of CN102403674B publication Critical patent/CN102403674B/en
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Abstract

The present invention is to provide a kind of live-wire work insulating cross arm.Electric pole is installed with anchor ear by jackscrew, anchor ear is separated by 120 ° by support and anchor ear connecting frame is outward-dipping is provided with support, stent bolt fag end is provided with at pedestal upper end, diameter adjustment hoop is connected with on anchor ear top, diameter adjustment hoop top is connected with center pole, is provided with carriage center head in center pole upper end, is connected with stay cord between carriage center head and stent bolt fag end, each stent bolt fag end is connected with lifting hook pulley by rope, has suspension hook at the bottom bolt of lifting hook pulley.The present invention can charged for replacement wire, can the effectively air gap of other circuit of pilot and cross-arm and parallel lines on same tower and safe distance, has the advantages that easy for installation, simple to operate, multi-layer conductor leads can both be general.Be suitable on power transmission device for applying in charged conducting wire.

Description

A kind of live-wire work insulating cross arm
Technical field
The present invention is to provide the power transmission lines fixture of electric field, specifically a kind of live-wire work insulating cross arm.
Background technology
Current domestic existing 10kV live-wire work insulating cross arm cannot effectively use, and there is unsafe drawback, not only increases the hazards of operating personnel and does not have again the requirement improving power supply reliability.And need the replacing insulator crossarm that has a power failure, reduce operating efficiency.
Summary of the invention
In order to overcome the shortcoming of existing insulator crossarm, the invention provides a kind of live-wire work insulating cross arm.This cross-arm by installing leg-of-mutton support on electric pole, each support is installed lifting rope pulley and suspension hook carries out lifting wire, the technical problem of the charged installation of solution wire.
The scheme that technical solution problem of the present invention adopts is:
Electric pole is installed with anchor ear by jackscrew, anchor ear is separated by 120 ° by support and anchor ear connecting frame is outward-dipping is provided with support, stent bolt fag end is provided with at pedestal upper end, diameter adjustment hoop is connected with on anchor ear top, diameter adjustment hoop top is connected with center pole, is provided with carriage center head in center pole upper end, is connected with stay cord between carriage center head and stent bolt fag end, each stent bolt fag end is connected with lifting hook pulley by rope, has suspension hook at the bottom bolt of lifting hook pulley.The square tube that support adopts epoxy resin composite material to make.
Good effect, the vertical load of original cross-arm carrying wire, when charged for replacement wire, is transferred on insulator crossarm, is ensured that wire is solid and reliable by the present invention.And utilize the lifting on insulator crossarm device by the lifting in various degree of the height of three-phase conducting wire or reduction.Can the effectively air gap of other circuit of pilot and cross-arm and parallel lines on same tower and safe distance, have the advantages that easy for installation, simple to operate, multi-layer conductor leads can both be general.Be suitable on power transmission device for applying in charged conducting wire.
Accompanying drawing explanation
Fig. 1 is insulator crossarm configuration state figure of the present invention
In figure, 0. electric pole, 1. anchor ear, 2. support, 2.1. support and anchor ear connecting frame, 2.2. stent bolt fag end, 3. diameter adjustment hoop, 4. carriage center head, 5. stay cord, 6. suspension pulley, 6.1. suspension hook, 7. center pole.
Embodiment
Electric pole is installed with anchor ear 1 by jackscrew, anchor ear is separated by 120 ° by support and anchor ear connecting frame 2.1 is outward-dipping is provided with support 2, stent bolt fag end 2.2 is provided with at pedestal upper end, diameter adjustment hoop 3 is connected with on anchor ear top, diameter adjustment hoop top is connected with center pole 7, carriage center 4 is provided with in center pole upper end, stay cord 5 is connected with between carriage center head and stent bolt fag end, each stent bolt fag end is connected with lifting hook pulley 6 by rope, has suspension hook 6.1 at the bottom bolt of lifting hook pulley.
The square tube that support adopts epoxy resin composite material to make, ensures insulation property.
Use procedure of the present invention:
The wire of pre-installation is fastened on suspension hook, pulls rope, suspension hook is sling to setting height, carries out charged conducting wire.According to the length of cross-arm, by pulling up and the center pole that falls, the angle of support and electric pole is made to increase or reduce, thus the distance of change two between support, realize the requirement adapting to cross-arm length.
Cross-arm is used for pull-up wire.By the length of degree of tightness stay cord and the rope lengths on lifting hook pulley top, flying leads can be made to reach setting height.
Utilize existing insulator crossarm to be combined into triangle wire is sling, by the characteristic of mechanics, the vertical load of wire is decomposed, then make the upper and lower convergent-divergent of wire by stringing.The vertical range of wire can be made to reach suitable operation height.
The fulcrum bottom of middle term wire is fixed on holds tightly on the anchor ear of electric pole, locks anchor ear, prevent insulator crossarm from waving with jackscrew.
Feature of the present invention:
1, industrial frequency withstand voltage 45KV, without punch-through in 1 minute.
2, mechanical strength and hot strength reach specification technique index.
3, insulation property reach specification technique index.
4, can restringing under electriferous state.
The present invention can charged for replacement wire time, transfer on insulator crossarm by the vertical load of original cross-arm carrying wire, guarantee wire is solid and reliable.And the lifting on insulator crossarm device can be utilized the lifting in various degree of the height of three-phase conducting wire or reduction.Can the effectively air gap of other circuit of pilot and cross-arm and parallel lines on same tower and safe distance, have the advantages that easy for installation, simple to operate, multi-layer conductor leads can both be general.Overcome the difficulty that all straight line poles change cross-arm.

Claims (2)

1. a live-wire work insulating cross arm, it is characterized in that: on electric pole (0), be installed with anchor ear (1) by jackscrew, anchor ear is separated by 120 ° by support and anchor ear connecting frame (2.1) is outward-dipping is provided with support (2), stent bolt fag end (2.2) is provided with at pedestal upper end, diameter adjustment hoop (3) is connected with on anchor ear top, diameter adjustment hoop top is connected with center pole (7), carriage center head (4) is provided with in center pole upper end, stay cord (5) is connected with between carriage center head and stent bolt fag end, each stent bolt fag end is connected with lifting hook pulley (6) by rope, suspension hook (6.1) is had at the bottom bolt of lifting hook pulley.
2. a kind of live line working cross-arm according to claim 1, is characterized in that: the square tube that support adopts epoxy resin composite material to make.
CN201110341349.8A 2011-11-02 2011-11-02 A kind of live-wire work insulating cross arm Active CN102403674B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201110341349.8A CN102403674B (en) 2011-11-02 2011-11-02 A kind of live-wire work insulating cross arm

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201110341349.8A CN102403674B (en) 2011-11-02 2011-11-02 A kind of live-wire work insulating cross arm

Publications (2)

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CN102403674A CN102403674A (en) 2012-04-04
CN102403674B true CN102403674B (en) 2015-09-09

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106099747B (en) * 2016-06-24 2018-02-16 国网山东省电力公司济南供电公司 Livewire work conduction wire riser
CN106602459A (en) * 2016-11-28 2017-04-26 国家电网公司 Movable support of insulating operating rod

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4973795A (en) * 1989-11-09 1990-11-27 Sharpe Robert F Temporary transmission hot line crossarm and method of replacing transmission hot line crossarms
CN201199612Y (en) * 2008-03-28 2009-02-25 安徽省电力公司滁州供电公司 Insulating cross-arm raiser for 10kV distributing line
CN201601455U (en) * 2009-12-04 2010-10-06 河南省电力公司洛阳供电公司 Insulation crossarm
CN102191874A (en) * 2011-03-25 2011-09-21 河南省电力公司郑州供电公司 Insulating cross arm with movable arc grooves
CN202308978U (en) * 2011-11-02 2012-07-04 辽宁省电力有限公司葫芦岛供电公司 Live working insulated cross arm

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3401751B2 (en) * 1994-07-11 2003-04-28 株式会社フジクラ How to transfer electric wires from wire-drawing wheel to suspension clamp at the time of work on tight line
JP4349604B2 (en) * 2001-03-22 2009-10-21 中部電力株式会社 Derrick device for top work of transmission tower
CN2591814Y (en) * 2002-09-04 2003-12-10 山东鲁能智能技术有限公司 Adjustable supporting device
CN201694757U (en) * 2010-06-22 2011-01-05 江苏省电力公司徐州供电公司 Rotation type lifting device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4973795A (en) * 1989-11-09 1990-11-27 Sharpe Robert F Temporary transmission hot line crossarm and method of replacing transmission hot line crossarms
CN201199612Y (en) * 2008-03-28 2009-02-25 安徽省电力公司滁州供电公司 Insulating cross-arm raiser for 10kV distributing line
CN201601455U (en) * 2009-12-04 2010-10-06 河南省电力公司洛阳供电公司 Insulation crossarm
CN102191874A (en) * 2011-03-25 2011-09-21 河南省电力公司郑州供电公司 Insulating cross arm with movable arc grooves
CN202308978U (en) * 2011-11-02 2012-07-04 辽宁省电力有限公司葫芦岛供电公司 Live working insulated cross arm

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PB01 Publication
C06 Publication
SE01 Entry into force of request for substantive examination
C10 Entry into substantive examination
TA01 Transfer of patent application right

Effective date of registration: 20121212

Address after: 125000 Huludao City, Liaoning province Longgang district on the road No. 5

Applicant after: Huludao Power Supply Company, Liaoning Electric Power Co., Ltd.

Applicant after: State Grid Corporation of China

Address before: 125000 Huludao City, Liaoning province Longgang district on the road No. 5

Applicant before: Huludao Power Supply Company, Liaoning Electric Power Co., Ltd.

C41 Transfer of patent application or patent right or utility model
ASS Succession or assignment of patent right

Owner name: STATE GRID CORPORATION OF CHINA

Effective date: 20121212

C53 Correction of patent for invention or patent application
CB03 Change of inventor or designer information

Inventor after: Zhang Jianhua

Inventor after: Zhang Lixue

Inventor after: Li Jun

Inventor after: Wang Shicheng

Inventor after: Chen Yu

Inventor before: Zhang Jianhua

Inventor before: Zhang Lixue

Inventor before: Li Jun

Inventor before: Wang Shicheng

COR Change of bibliographic data

Free format text: CORRECT: INVENTOR; FROM: ZHANG JIANHUA ZHANG LIXUE LI JUN WANG SHICHENG TO: ZHANG JIANHUA ZHANG LIXUE LI JUN WANG SHICHENG CHEN YU

GR01 Patent grant
C14 Grant of patent or utility model