CN202978103U - Insulator fixture - Google Patents

Insulator fixture Download PDF

Info

Publication number
CN202978103U
CN202978103U CN 201220668668 CN201220668668U CN202978103U CN 202978103 U CN202978103 U CN 202978103U CN 201220668668 CN201220668668 CN 201220668668 CN 201220668668 U CN201220668668 U CN 201220668668U CN 202978103 U CN202978103 U CN 202978103U
Authority
CN
China
Prior art keywords
insulator
jig
plate
jigs
fixed
Prior art date
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.)
Active
Application number
CN 201220668668
Other languages
Chinese (zh)
Inventor
彭展旗
邓志勇
彭晓亮
郑明松
陈俊
龙朴忠
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.)
HUNAN GRID CONSTRUCTION Co
State Grid Corp of China SGCC
Original Assignee
HUNAN GRID CONSTRUCTION Co
State Grid Corp of China SGCC
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by HUNAN GRID CONSTRUCTION Co, State Grid Corp of China SGCC filed Critical HUNAN GRID CONSTRUCTION Co
Priority to CN 201220668668 priority Critical patent/CN202978103U/en
Application granted granted Critical
Publication of CN202978103U publication Critical patent/CN202978103U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model relates to the insulator installation technology field and especially relates to an insulator installation and replacement fixture, comprising a lead end and a cross-arm end which are matched with the fixture. The advantages of the fixture are simple, portable and easy carrying and dismounting. Only two persons can easily complete operation in the sky without dismounting grading rings and other fittings. The fixture can be suitable for any types of strain insulator strings of 500 kV power transmission lines and universality is excellent. In an operation required time aspect, the whole process consumes 180 min when original conventional operation methods are adopted; and average time consumption in only 70 min when a novel method is used. Labor intensity is reduced, safety factor is raised and work efficiency is greatly raised simultaneously.

Description

A kind of insulator jig
Technical field
The utility model relates to insulator mounting technique field, refers to that especially a kind of insulator installs, changes and use jig.
Background technology
The 500kV circuit of prior art comprises wire, insulator string and steel tower, and an end of insulator string is connected with wire by three versions, and the other end of insulator string is connected with steel tower by the cross-arm towing plate.In maintenance repair work, change the strain insulator string operation comparatively frequent, and 500kV line maintenance region mostly is the mountain area, when conventional use chain block method and Wire tensioning screw bottle-holding rack method were changed, Work tool was heavy, and work flow is loaded down with trivial details, labour intensity is large, and versatility is relatively poor.Be described as follows method one: the chain block method, utilize 25 tons of chain blocks and code line device to tighten up insulator string, thus transfer load, replacing insulator string.Shortcoming: 1) work high above the ground personnel labor intensity is large, and the Work tool of use is heavy, and work flow is complicated, requires the operating personnel many; 2) easily cause the conductor wire end insulator string to the inside deflection cause the wire end bowl stressed unbalance, be difficult to normal dismounting; 3) operation is consuming time long, complicated operation.Method two: Wire tensioning screw bottle-holding rack method, after tightening up the Wire tensioning screw transfer load, utilize bottle-holding rack to hold up insulator string, thus the dismounting insulator string.Shortcoming: the Work tool that 1) uses is more, the assembling difficulty.2) bottle-holding rack length is fixed, and leading screw length must be assembled use after strict calculating, and versatility is poor, can not satisfy different model, the long replacing insulator string requirement of string.
Be effectively to shorten the activity duration, reduce Work tool running difficulty, the applicant is by carrying out the improvement and bring new ideas design in the past Work tool, developed the new equipment that a cover " half of closed type fixture " is used for changing the 500kV strain insulator-chain electrical insulator.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of insulator jig is provided.
The utility model is achieved through the following technical solutions, and comprises the wire termination and the cross arm end that are combined with jig.
Described jig is the buckle type structure that the middle part has manhole, and a side of buckling parts is connected with body by bearing pin, and opposite side is by the locking device folding, and the left and right sides of body is an affixed hook respectively, and pull rope hangs in hook;
Described wire termination comprises upper and lower two fixed heads that are installed on the connecting screw rod two ends, and the middle part of described connecting screw rod also is provided with groove, and adjustable plate is arranged among groove, and the U-shaped button is fixed on adjustable plate towards an end of jig;
Described cross arm end comprises body and is arranged in screw mandrel in the screwed hole of the body left and right sides, one end of screw mandrel is equipped with ratchet and prevents from skidding and damage and joystick, screw mandrel links by connecting plate and U-shaped towards an end of jig and connects, and the body middle part has holddown groove, and bearing rope hangs in the U-shaped button.
The middle part of described fixed head has the plate that the end that stretches out has bayonet socket.Bayonet socket is plugged on three yoke plates, is convenient to the location of wire termination, obtains when tightening up insulator string to support.
Described adjustable plate is the strip with plurality of through holes, can regulate before and after groove, and insert through hole by bolt kit and locate fixing.
Be provided with at least two installing holes on described fixed head, the outside of described installing hole is equipped with two pulleys, guarantees half of closed type fixture stress balance, and the light disengaging of insulator and three yoke plates is played key effect.
Described pulley bottom has screw rod, is fixed among installing hole by nut.
Locking device is screw rod and nut.
Connecting plate and screw mandrel and U-shaped button all are connected by latch.
The utility model has the advantage of, simple, light, carrying, dismounting is simple and easy.The high-altitude only needs two people just can easily fulfil assignment, need not to remove any gold utensils such as grading ring, configured simultaneously the accent lengthening joint of adjustable plate and the 100mm of long 600mm on the wire termination jig, the length adjustment scope is between 0.1-1 meter, applicable to the strain insulator string of any model of 500kV transmission line, versatility is splendid.Aspect the operation required time, when adopting former routine work method, whole process need 180 minutes, and when using new method, the average used time only needs 70 minutes, has reduced labour intensity, has improved coefficient of safety, has greatly improved operating efficiency simultaneously.
Description of drawings
Accompanying drawing 1 is wire termination and fixture structure schematic diagram.
Accompanying drawing 2 is cross arm end and fixture structure schematic diagram.
Accompanying drawing 3 is the wire termination stereogram.
Accompanying drawing 4 is the cross arm end stereogram.
Accompanying drawing 5 is the jig front view.
Accompanying drawing 6 is the adjustable plate schematic diagram.
Accompanying drawing 7 is working state schematic representation.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described further, as shown in Fig. 1 to 7, comprises the wire termination 1 and the cross arm end 2 that are combined with jig 3.
Described jig 3 has the buckle type structure of manhole for the middle part, a side of buckling parts 31 is connected with body 32 by bearing pin, and opposite side is by locking device 33 foldings, and the left and right sides of body 32 is an affixed hook 321 respectively, and pull rope hangs in hook 321;
Described wire termination 1 comprises upper and lower two fixed heads 12 that are installed on connecting screw rod 11 two ends, and the middle part of described connecting screw rod 11 also is provided with groove 111, and adjustable plate 13 is arranged among groove, and U-shaped button 14 is fixed on adjustable plate 13 towards an end of jig 3;
Described cross arm end 2 comprises body 21 and the screw mandrel 22 that is arranged in body 21 left and right sides screwed holes 211, one end of screw mandrel 22 is equipped with ratchet 23 and prevents from skidding and damage and joystick 24, screw mandrel 22 is buckled 26 by connecting plate 25 with U-shaped towards an end of jig and is connected, the body middle part has holddown groove 212, and bearing rope hangs in U-shaped button 26.
The middle part of described fixed head 12 has the plate 121 that the end that stretches out has bayonet socket 1211.Bayonet socket 1211 is plugged on three yoke plates, is convenient to the location of wire termination 1, obtains when tightening up insulator string 4 to support.
The strip of described adjustable plate 13 for having plurality of through holes 131 can be regulated along groove 111 front and back, and inserts through hole 131 by bolt kit and locate fixing.
Be provided with at least two installing holes 122 on described fixed head 12, the outside of described installing hole 122 is equipped with two pulleys 15, guarantees half of closed type fixture stress balance, and the light disengaging of insulator and three yoke plates is played key effect.
Described pulley 15 bottoms have screw rod, are fixed among installing hole 122 by nut.
Locking device 33 is screw rod and nut.
Connecting plate 25 is connected with the U-shaped button with screw mandrel 22 and all is connected by latch.
During concrete the use, 1.. tool assemble, shift load: jig 3 fixed insulation substring 4 near-ends and the steel towers 5 that adopt cross arm end 2, and jig 3 fixed insulation substring 4 far-ends and the wires of wire termination 1, by steel strand wire or high strength bearing rope, tighten up the screw mandrel 22 of cross arm end 2 by manipulation bar 24 rotating ratchets 2, and the jig 3 that tightens up insulator string 4 far-ends by pulley 15, realize the load transfer at insulator string 4 two ends.
2.. steel tower end insulator breaks away from: after load transfer, take the jig 3(of half of enclosed to be fixed in second insulator) coordinate 1.5 tons of Lever Blocks to tighten up and break away from the insulator string 4 of steel tower end take steel tower 5 as fixing point.The holddown groove 212 of the body 21 of cross arm end 2 is inserted on the towing plate 51 of steel tower 5, and jig 3 is hung on towing plate 51 equally.During dismounting, equally easily and effectively, installation method is identical.
3.. the conductor wire end insulator breaks away from: the disengaging of the wire termination bowl head of insulator string 4 and three yoke plate 52 junctions is difficult point and the emphasis in Renewal process.Now adopt new design bayonet socket 1211 to be fixed in conductor wire end three yoke plate 52 afterbody centers, adopt the jig 3 of half of enclosed to be fixed in the 3rd insulator of conductor wire end, coordinate lever hoist to tighten up and break away from insulator, the method guarantees that each stress point is on former center of effort line all the time, and the light disengaging of insulator string 4 and three yoke plates 52 is played key effect.
4.. bunch of insulator is changed, and after conductor load transfer, insulator string 4 break away from, adopts pull rope (totally two groups) that steel tower end insulator string 4 is put to overhang, then adopts another group pull rope that bunch of insulator is put to ground, and the installation method flow process is opposite.The method can be selected to need not cable rope from the arbitrary end lifting, and is convenient and swift.
New and old power tool weight and parameter comparison be referring to table 1,
Table 1
[0034]By using the utility model, 1, the operational method of insulator is simple, efficient.2, the Work tool of having avoided former method routinely to exist is heavy, carrying, the dismounting difficulty is large, required high-altitude personnel are many in operation, many deficiencies that versatility is poor, new method can be common to the fitting assembly form of any strain tower, and Work tool is light, the high-altitude only needs two people just can easily complete work high above the ground, need not to remove any gold utensils such as grading ring, greatly reduce labour intensity, improve overhaul efficiency.3, configured the adjustable plate of long 600mm on conductor wire end jig of the present utility model, be equipped with in addition the accent lengthening joint of 100mm, adjustable extent is between 0.1-1 meter, applicable to the strain insulator of any model of 500kV transmission line.4, aspect the activity duration, when adopting former routine work method, whole process need 180 minutes, and when using new method, the average used time only needs 70 minutes, has reduced labour intensity, has improved coefficient of safety, has greatly improved operating efficiency simultaneously.5, strengthen the actual of the method applied, improve service work quality and efficient.
The above embodiment has only expressed a kind of execution mode of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.Should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection range of the present utility model.Therefore, the protection range of the utility model patent should be as the criterion with claims.

Claims (10)

1. an insulator jig, is characterized in that: comprise the wire termination (1) and the cross arm end (2) that are combined with jig (3).
2. a kind of insulator jig according to claim 1, it is characterized in that: described jig (3) has the buckle type structure of manhole for the middle part, one side of buckling parts (31) is connected with body (32) by bearing pin, opposite side is by locking device (33) folding, and the left and right sides of body (32) is an affixed hook (321) respectively.
3. a kind of insulator jig according to claim 1, it is characterized in that: described wire termination (1) comprises upper and lower two fixed heads (12) that are installed on connecting screw rod (11) two ends, the middle part of described connecting screw rod (11) also is provided with groove (111), adjustable plate (13) is arranged among groove, and U-shaped button (14) is fixed on adjustable plate (13) towards an end of jig (3).
4. a kind of insulator jig according to claim 1, it is characterized in that: described cross arm end (2) comprises body (21) and is arranged in screw mandrel (22) in body (21) left and right sides screwed hole (211), one end of screw mandrel (22) is equipped with ratchet (23) and joystick (24), screw mandrel (22) is buckled (26) towards an end of jig by connecting plate (25) and is connected with U-shaped, have holddown groove (212) in the middle part of body.
5. according to claim 1 or 3 described a kind of insulator jigs, it is characterized in that: the middle part of described fixed head (12) has the plate (121) that the end that stretches out has bayonet socket (1211).
6. according to claim 1 or 3 described a kind of insulator jigs is characterized in that: described adjustable plate (13) is for having the strip of plurality of through holes (131).
7. according to claim 1 or 3 described a kind of insulator jigs, is characterized in that, be provided with at least two installing holes (122) on described fixed head (12), the outside of described installing hole (122) is equipped with two pulleys (15).
8. according to claim 1 or 3 described a kind of insulator jigs is characterized in that: described pulley (15) bottom has screw rod, is fixed among installing hole (122) by nut.
9. a kind of insulator jig according to claim 1 and 2, it is characterized in that: locking device (33) is screw rod and nut.
10. according to claim 1 or 4 described a kind of insulator jigs, it is characterized in that: connecting plate (25) is connected 26 with screw mandrel (22) with the U-shaped button) all be connected by latch.
CN 201220668668 2012-12-07 2012-12-07 Insulator fixture Active CN202978103U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220668668 CN202978103U (en) 2012-12-07 2012-12-07 Insulator fixture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220668668 CN202978103U (en) 2012-12-07 2012-12-07 Insulator fixture

Publications (1)

Publication Number Publication Date
CN202978103U true CN202978103U (en) 2013-06-05

Family

ID=48519130

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220668668 Active CN202978103U (en) 2012-12-07 2012-12-07 Insulator fixture

Country Status (1)

Country Link
CN (1) CN202978103U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104037657A (en) * 2014-06-19 2014-09-10 国网四川省电力公司成都市新都供电分公司 Suspended glass insulator chain lifting clamp
CN106786137A (en) * 2016-12-06 2017-05-31 国网四川省电力公司技能培训中心 A kind of self-locking insulator replacement fixture
CN109066456A (en) * 2018-08-14 2018-12-21 国家电网有限公司 For replacing the device and method of insulator

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104037657A (en) * 2014-06-19 2014-09-10 国网四川省电力公司成都市新都供电分公司 Suspended glass insulator chain lifting clamp
CN104037657B (en) * 2014-06-19 2016-08-17 国网四川省电力公司成都市新都供电分公司 Pendency glass insulator strings lifting dogs
CN106786137A (en) * 2016-12-06 2017-05-31 国网四川省电力公司技能培训中心 A kind of self-locking insulator replacement fixture
CN109066456A (en) * 2018-08-14 2018-12-21 国家电网有限公司 For replacing the device and method of insulator

Similar Documents

Publication Publication Date Title
CN100464474C (en) Live line replacing method high voltage transmission line strain insulator-string and device
CN202014054U (en) Overhaul tool for dead end insulator on +/- 660kV DC power transmission line
CN202978103U (en) Insulator fixture
CN101814707B (en) Tool for live replacement of 220kV line 'V' string insulator and method
CN201517022U (en) Hoisting tool for apparatus on column
CN101546894B (en) Method for replacing 220KV steel pipe tower composite insulator electrifiedly
CN204760979U (en) Straight line pole combination formula insulator crossarm
CN109066456B (en) Device and method for replacing insulator
CN203423430U (en) Insulator maintenance device
CN201705193U (en) Dedicated flexible ladder used for replacing insulators
CN103795003B (en) Line apparatus is carried in the insulation of 35kV supply line live line working
CN202978098U (en) Overhead ground wire lifter
CN208226444U (en) A kind of auxiliary device for the replacement strain insulator monolithic insulator that has a power failure
CN202405695U (en) Lifting tool for overhead ground wire of steel pipe pole
CN202197048U (en) Double angle steel hanging point lifting and connecting tool for tower use
CN204258160U (en) Change transmission tower insulator instrument
CN102237654B (en) Method for replacing jumper string using tool at double angle hanging point
CN201298682Y (en) transformer substrate isolating switch lifting appliance
CN106340828A (en) Special tool for replacing duplex stay wire and fittings of power transmission line
CN202678824U (en) Porcelain insulator moving device
CN207490436U (en) The double models for hanging V-type composite insulator string replacing options of ± 500kV DC power transmission lines duplex
CN208782373U (en) Line lifter bracket and the line lifter for applying it
CN205985964U (en) Broadsword fixture are changed to insulator
CN112249950A (en) Hanging bracket and method for live replacement of any insulator of extra-high voltage strain insulator string
CN201961959U (en) Narrow-space equipment end-cover supporting and overhauling device

Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model