CN106058725A - Tension yoke plate handgrip and operating method thereof - Google Patents
Tension yoke plate handgrip and operating method thereof Download PDFInfo
- Publication number
- CN106058725A CN106058725A CN201610526654.7A CN201610526654A CN106058725A CN 106058725 A CN106058725 A CN 106058725A CN 201610526654 A CN201610526654 A CN 201610526654A CN 106058725 A CN106058725 A CN 106058725A
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- CN
- China
- Prior art keywords
- hook
- yoke plate
- strain insulator
- handgrip
- tension
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
Abstract
The invention relates to a tension yoke plate handgrip and an operating method thereof. Currently, in integral replacement process of a 500-kilovolt tension insulator string, transferring of tension of the insulator string to outside for realizing relaxation is a necessary first step of an integral replacement process, but the lead side of the existing 500-kilovolt tension insulator string is not provided with a fixed, standard and safe hanging point, and relaxation of a tension yoke plate, a shielding uniforming ring and a lead wire clamp is caused, and furthermore difficulty in replacement of the insulator string increases. The tension yoke plate handgrip comprises a hook body (1) of which the back end is provided with a connecting hole (2). The vertical surface of the hook body is provided with a back bevel snapping surface (3). The front end of the hook body is connected with a hook slot part. The hook slot part comprises a front hook handle (7), a hook handle end surface (6), a front vertical hook surface (4) and a hook slot inner edge (5). The tension yoke plate handgrip is used for electric power maintenance tools.
Description
Technical field:
The present invention relates to electric power overhaul instrument, be specifically related to a kind of strain insulator yoke plate handgrip and method of work thereof.
Background technology:
At present, during 500 kilovolts of strain insulator string integral replacings, the tension force of insulator chain is transferred out and is allowed to lax
It is the first step necessary in integral replacing operation process: by being connected to by the two ends suspension hook of chain block or other pulling equipment
The steel tower cross-arm of insulator chain and side of wire, tension wire makes insulator chain relax, but, existing 500 kilovolts of strain insulators insulation
Sub-conductor side is fixing, specification and the hanging point of safety, is typically all and is at will attached at the U that wire clamp is connected with strain insulator yoke plate
On type ring, existing strain insulator yoke plate does not has suitable hanging point.Fixing-line device is used to be attached on wire during newly-built construction, this method
Strain insulator yoke plate, shielding grading ring and wire clamp all can be relaxed, be unfavorable for changing insulator chain.
Summary of the invention
In order to overcome that existing strain insulator yoke plate is fixing, the deficiency of the point of contact of specification and safety, the present invention provides a kind of
Strain insulator yoke plate handgrip, this handgrip is installed in the two ends up and down of strain insulator yoke plate, can realize simply, install easily and catch strain insulator to join
Plate, the problem solving the point of contact of unfixing, specification and safety, reach strain insulator by pulling equipments such as chain blocks
The purpose that tension force on insulator chain is transferred out.
Above-mentioned purpose is achieved through the following technical solutions:
A kind of strain insulator yoke plate handgrip, its composition includes: hook body body, and the rear end of described hook body body has connecting hole, described
The facade of hook body body there is card face, oblique angle, rear portion, the front end of described hook body body connects hook and slot part, described hook and slot
Part includes front hook side, hook side end face, forward vertical hook side, hook and slot inner edge.
Described strain insulator yoke plate handgrip, described strain insulator yoke plate handgrip is solid steel hook.
The method of work of strain insulator yoke plate handgrip according to claim 1 and 2, this comprises the steps:
Step 1, is bolted the connecting hole of the hook body body of strain insulator yoke plate handgrip with U-shaped ring, and described U-shaped ring passes through
Pull rope links with duplex plate；
Step 2, the hook body body side being connected with U-shaped ring by strain insulator yoke plate handgrip rotates up 25 ° from horizontal direction, by strain insulator
The card face, oblique angle, rear portion of yoke plate handgrip, hook side end face overlap with rear ramped surface and the forward vertical face of strain insulator yoke plate, join from strain insulator
Plate lateral yoke plate one side shifting, contact is rotated down about 25 ° behind yoke plate hook and slot inner edge, and handgrip becomes level, installs
Finish；
Step 3, one end of chain block connects duplex plate by pull rope, and described duplex plate connects U-shaped ring by pull rope,
The other end of chain block connects steel tower cross-arm by pull rope；
Step 4: tighten up chain block, the tension force of side insulator chain is transferred to chain block, duplex plate, pull rope and strain insulator
Yoke plate handgrip, insulator chain presents relaxed state.
The invention has the beneficial effects as follows:
The present invention relates to the construction of 500 kilovolts of power circuits, upkeep operation, integral replacing 500 kilovolts especially can be overcome resistance to
The strain insulator yoke plate handgrip of transfer insulator chain tension force difficulty when opening insulator chain, is a kind of steel body abnormity hook.
The present invention is for when shifting strain insulator string tension force, is provided that joining with strain insulator of fixing, specification and safety
The hanging point that plate links, the card face, oblique angle, rear portion of upper and lower two strain insulator yoke plate handgrips is into contrary symmetrical inclined-plane.
The present invention is in integral replacing insulator chain operation, and the tension force for transfer insulator chain provides fixing, rule
Model and the hanging point of safety, solve the randomness during link, reduce operation easier, improve work efficiency and safe water
Flat.
Accompanying drawing illustrates:
Fig. 1 is the strain insulator yoke plate handgrip schematic diagram of the present invention.
Fig. 2 is that the overall of steel tower cross-arm, double strain insulator string, chain block, gold utensil, wire and strain insulator yoke plate handgrip connects
Knot schematic diagram.
Fig. 3 is the partial enlarged drawing of accompanying drawing 2.
Fig. 4 is the using effect schematic diagram of strain insulator yoke plate handgrip.
Fig. 5 is the installation of strain insulator yoke plate handgrip, dismounting schematic diagram.
In figure, 1 is the hook body body of the present invention, and 2 is the connecting hole of handgrip, and 3 is the card face, oblique angle, rear portion of handgrip, before 4 are
Vertical hook side, portion, 5 hook and slot inner edges, 6 hook side end faces, 7 front hook sides, 8 strain insulator yoke plates, 9 insulator chains, 10 is pull rope, band, 11
Being chain block, 12 is to extend yoke plate, and 13 is steel tower cross-arm, and 14 is duplex plate, and 15 is wire, and 16 is pressure connecting pipe for lead wire, and 17 are
Strain insulator yoke plate connects angle iron, and 18 is bolt, and 19 is U-shaped ring.
Embodiment 1:
A kind of strain insulator yoke plate handgrip, its composition includes: hook body body 1, and the rear end of described hook body body has connecting hole 2, institute
The facade of the hook body body stated has card face, oblique angle, rear portion 3, and the front end of described hook body body connects hook and slot part, described hook
Slot part includes front hook side 7, hook side end face 6, forward vertical hook side 4, hook and slot inner edge 5.
Embodiment 2:
According to the strain insulator yoke plate handgrip described in embodiment 1, described strain insulator yoke plate handgrip is solid steel hook.
Embodiment 3:
According to the method for work of the strain insulator yoke plate handgrip described in embodiment 1 or 2, this comprises the steps:
Step 1, is connected the connecting hole of the hook body body of strain insulator yoke plate handgrip by bolt 18 with U-shaped ring 19, described U-shaped ring
Linked with duplex plate 14 by pull rope 10；
Step 2, the hook body body side being connected with U-shaped ring by strain insulator yoke plate handgrip rotates up 25 ° from horizontal direction, by strain insulator
The card face, oblique angle, rear portion of yoke plate handgrip, hook side end face overlap with rear ramped surface and the forward vertical face of strain insulator yoke plate 8, join from strain insulator
Plate lateral yoke plate one side shifting, contact is rotated down about 25 ° behind yoke plate hook and slot inner edge, and handgrip becomes level, installs
Finish；
Step 3, one end of chain block 11 connects duplex plate by pull rope, and described duplex plate connects U-shaped by pull rope
Ring, the other end of chain block connects steel tower cross-arm 13 by pull rope；
Step 4: tighten up chain block, the tension force of side insulator chain 9 is transferred to chain block, duplex plate, pull rope and resistance to
Opening yoke plate handgrip, insulator chain presents relaxed state.
Embodiment 4:
According to the method for work of the strain insulator yoke plate handgrip described in embodiment 1 or 2, this comprises the steps:
In the connection of existing triangle strain insulator yoke plate, a strain insulator yoke plate handgrip is respectively installed on the U-shaped ring side of lower wire, should
Handgrip is designed as hook-shaped, is mainly made up of connecting hole, hook body, hook and slot, and hook and slot part is by front hook side, forward vertical hook side, hook
Groove inner edge and card face, oblique angle, rear portion composition.During operation, handgrip hooking the vertical edges of strain insulator yoke plate, card face, oblique angle, rear portion is blocked resistance to
Opening the hypotenuse of yoke plate, the other end passes through U-shaped ring connecting steel wire ropes, and upper and lower two steel wire ropes are again by a duplex plate, it is also possible to
Directly converging two steel wire ropes by U-shaped ring, link with the pulling equipment such as chain block, it is horizontal that the pulling equipment other end connects steel tower
Load, so just can transfer to yoke plate handgrip, steel wire rope and traction by the tension force on insulator chain and set by tightening up pulling equipment
For coming up.Its installation steps are: by the rear portion of strain insulator yoke plate handgrip, U-shaped ring side, horizontal direction rotate up 25 ° of left sides
The right side, from strain insulator yoke plate lateral yoke plate one side shifting, is rotated again to horizontal direction after helping in touching the hook and slot of yoke plate, just realizes
Installing, unloading process is conversely.Owing to strain insulator yoke plate handgrip tension, pull strength inwardly have, to two strain insulator insulation
Component in the middle of substring and in the middle of yoke plate, so, the hook and slot part of handgrip devise face, oblique angle, rear portion be seized its in
Between movement, make upper and lower two handgrips maintain a certain distance, be conducive to lax after the dismounting of insulator chain and installation, because not having
There is outside power, so, the most do not design rear hook side.The width of hook and slot is slightly larger than the thickness of strain insulator yoke plate, with applicable strain insulator
Yoke plate is advisable, for adapting to the symmetry on two inclined-planes up and down of strain insulator yoke plate, the oblique angle, rear portion of upper and lower two strain insulator yoke plate handgrips
Card face is also designed to contrary symmetrical inclined-plane.
Claims (3)
1. a strain insulator yoke plate handgrip, its composition includes: hook body body, it is characterized in that: the rear end of described hook body body has
Connecting hole, the facade of described hook body body has card face, oblique angle, rear portion, and the front end of described hook body body connects hook and slot part,
Described hook and slot part includes front hook side, hook side end face, forward vertical hook side, hook and slot inner edge.
Strain insulator yoke plate handgrip the most according to claim 1, is characterized in that: described strain insulator yoke plate handgrip is solid steel
Hook.
3. a method of work for the strain insulator yoke plate handgrip described in claim 1 or 2, is characterized in that: this comprises the steps:
Step 1, is bolted the connecting hole of the hook body body of strain insulator yoke plate handgrip with U-shaped ring, and described U-shaped ring passes through
Pull rope links with duplex plate；
Step 2, the hook body body side being connected with U-shaped ring by strain insulator yoke plate handgrip rotates up 25 ° from horizontal direction, by strain insulator
The card face, oblique angle, rear portion of yoke plate handgrip, hook side end face overlap with rear ramped surface and the forward vertical face of strain insulator yoke plate, join from strain insulator
Plate lateral yoke plate one side shifting, contact is rotated down about 25 ° behind yoke plate hook and slot inner edge, and handgrip becomes level, installs
Finish；
Step 3, one end of chain block connects duplex plate by pull rope, and described duplex plate connects U-shaped ring by pull rope,
The other end of chain block connects steel tower cross-arm by pull rope；
Step 4: tighten up chain block, the tension force of side insulator chain is transferred to chain block, duplex plate, pull rope and strain insulator
Yoke plate handgrip, insulator chain presents relaxed state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610526654.7A CN106058725B (en) | 2016-07-06 | 2016-07-06 | Strain insulator yoke plate handgrip and its working method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610526654.7A CN106058725B (en) | 2016-07-06 | 2016-07-06 | Strain insulator yoke plate handgrip and its working method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106058725A true CN106058725A (en) | 2016-10-26 |
| CN106058725B CN106058725B (en) | 2019-08-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610526654.7A Active CN106058725B (en) | 2016-07-06 | 2016-07-06 | Strain insulator yoke plate handgrip and its working method |
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| Country | Link |
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| CN (1) | CN106058725B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114204480A (en) * | 2021-12-06 | 2022-03-18 | 广西电网有限责任公司玉林供电局 | Replacement tool for discharge gap insulator of tension tower open ground wire |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201853968U (en) * | 2010-05-20 | 2011-06-01 | 河南省电力公司郑州供电公司 | Single-hook insulating yoke plate |
| CN202308910U (en) * | 2011-11-04 | 2012-07-04 | 山西省电力公司晋中供电分公司 | Nonporous wire-tightening double hooks for tension jointing plate of power transmission line |
| CN202633867U (en) * | 2012-04-20 | 2012-12-26 | 山西省电力公司大同供电分公司 | Improved type swing fixing plate |
| CN103247972A (en) * | 2013-04-25 | 2013-08-14 | 国家电网公司 | Wire tractor |
| CN104009419A (en) * | 2014-06-03 | 2014-08-27 | 国网山东诸城市供电公司 | Electric transmission line line-tightening hook |
| CN204663120U (en) * | 2015-04-25 | 2015-09-23 | 贺宜恒 | The two bracing wire aid of a kind of replacing |
| CN205070347U (en) * | 2015-10-12 | 2016-03-02 | 武汉捷众汽车零部件有限公司 | Thread tension device |
-
2016
- 2016-07-06 CN CN201610526654.7A patent/CN106058725B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201853968U (en) * | 2010-05-20 | 2011-06-01 | 河南省电力公司郑州供电公司 | Single-hook insulating yoke plate |
| CN202308910U (en) * | 2011-11-04 | 2012-07-04 | 山西省电力公司晋中供电分公司 | Nonporous wire-tightening double hooks for tension jointing plate of power transmission line |
| CN202633867U (en) * | 2012-04-20 | 2012-12-26 | 山西省电力公司大同供电分公司 | Improved type swing fixing plate |
| CN103247972A (en) * | 2013-04-25 | 2013-08-14 | 国家电网公司 | Wire tractor |
| CN104009419A (en) * | 2014-06-03 | 2014-08-27 | 国网山东诸城市供电公司 | Electric transmission line line-tightening hook |
| CN204663120U (en) * | 2015-04-25 | 2015-09-23 | 贺宜恒 | The two bracing wire aid of a kind of replacing |
| CN205070347U (en) * | 2015-10-12 | 2016-03-02 | 武汉捷众汽车零部件有限公司 | Thread tension device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114204480A (en) * | 2021-12-06 | 2022-03-18 | 广西电网有限责任公司玉林供电局 | Replacement tool for discharge gap insulator of tension tower open ground wire |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106058725B (en) | 2019-08-16 |
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