CN202668475U - Pin puller for R pin - Google Patents

Pin puller for R pin Download PDF

Info

Publication number
CN202668475U
CN202668475U CN 201220334086 CN201220334086U CN202668475U CN 202668475 U CN202668475 U CN 202668475U CN 201220334086 CN201220334086 CN 201220334086 CN 201220334086 U CN201220334086 U CN 201220334086U CN 202668475 U CN202668475 U CN 202668475U
Authority
CN
China
Prior art keywords
pin
arc
insulator
pin removal
fulcrum
Prior art date
Application number
CN 201220334086
Other languages
Chinese (zh)
Inventor
李光胜
李现超
张广亚
杨侃
刘庆涛
Original Assignee
河南第二火电建设公司
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 河南第二火电建设公司 filed Critical 河南第二火电建设公司
Priority to CN 201220334086 priority Critical patent/CN202668475U/en
Application granted granted Critical
Publication of CN202668475U publication Critical patent/CN202668475U/en

Links

Abstract

The utility model discloses a pin puller for an R pin, comprising a body, wherein the tail end of the body is pull-pin-shaped, the directly-stressed side in the pull-pin-shaped body is an arc, and the both sides of the arc are narrowed downwards to the end part; and the body is bent to be an arc part at a place 40-60 mm far away from the tail end of the body, a hole is formed at the position of the central point of the arc part vertical to the tangential direction of the arc, and the hole is in fit connection with a bolt. As for the pin puller adopting the technical scheme disclosed by the utility model, the structure of the end part of the pin puller is changed, and the original fixed end part fulcrum structure is changed into an arc fulcrum-adjustable structure, thus achieving the purpose of being smoothly applied to various types of insulators.

Description

R sells pin removal
Technical field
The utility model relates to a kind of pin removal, the pin removal of specifically selling for R on the insulator.
Background technology
High-voltage transmission line insulator is divided into porcelain, glass, compound three kinds of forms.
Take porcelain as example, mainly contain porcelain full skirt, steel cap, steel pin and combine, the inner R pin of installing of steel cap.Insulator be connected with insulator and insulator and gold utensil between be connected the time, be first the pin of the R in the bowl head to be extracted a part, steel foot position bulb is packed in the bowl head at steel cap position, the R pin is pushed get final product again.
In the 500kV transmission line of electricity running, require insulator can't harm by well-tended appearance, and every two years need carry out zero value detection---be the insulaion resistance that insulator must keep 500 megaohms, otherwise must in time change.
Insulator in the middle of operation, often can occur because damaged phenomenon can appear in outside destroy or other reasons, can find that also null value appears in SI semi-insulation in regularly detecting, must in time change the faulty insulator of finding.Change insulator and just the pin of the R in the insulator bowl head must be extracted, can change.Because the insulator outward appearance is beveled structure, general purpose tool is not easy to operate, and R pin hardness is large again, therefore must adopt Special pin puller to operate.
The insulator pin removal of purchasing at present is practical for 160kN and following insulator, and the camber of design, the arm of force, fulcrum are proper.But for 240kN and above insulator, because full skirt strengthens, the degree of depth increases, and the steel cap strengthens, and R pin length also increases, and the crotch of pin removal front end and the angle of fulcrum can't be extracted the R pin smoothly.Particularly adopt in a large number JL/G630/45 shaped steel core aluminum stranded wire along with transmission line wire model in recent years, in extra-high-speed line DC line, also adopted JL/G2A-900/75, JL/G2A-1000/80 shaped steel core aluminum stranded wire, conductor cross-section increases, directly cause construction and the running tension of wire to increase, the tonnage of insulator also is increased to the models such as 300kN, 420kN, 550kN thereupon.Insulator pin removal in the market can't satisfy the needs of construction and maintenance.
The utility model content
The purpose of this utility model provides a kind of R pin pin removal that is applicable on the various insulators, particularly large-tonnage insulator.
For achieving the above object, the utility model is by the following technical solutions:
A kind of R pin pin removal, it comprises body, and the end of body is the taper shape, and a direct stressed side is circular arc in the taper shape body, and the circular arc both sides are narrowed rear to the end to downside; And at distance body tip 40-60mm place, body curves arc sections, and is provided with the hole in the position of arc sections central point perpendicular to the circular arc tangential line direction, and hole and bolt are connected.
The radius of described arc sections is 40-60mm, and arc length is 80-120mm.
Between body and arc sections, be provided with the Handheld Division with exasperate.
The miniature tup of welding is set at front end 20mm place, Handheld Division.
The front end of described body arranges annulus.
Adopt the utility model of technique scheme, changed the structure of pin removal end, original fixed end fulcrum structure is changed into the structure of arc fulcrum adjustable type, can be applied in smoothly above various types of insulators thereby reach.Have the following advantages specifically:
(1) increased crooked circular arc, so the easier full skirt below of going deep into large-tonnage insulator of this pin removal, insert the exposed end of R pin, and not affected by full skirt.
(2) because a bowl steel cap volume of large-tonnage insulator increases, and R sells also corresponding lengthening, therefore adopt fixed pivot often the R pin can only be extracted a part, namely pull out first node location.This type pin removal adopts and holes at body, and the mode of tapping adds the adjustment that a bolt carries out fulcrum.The cross section that utilizes the bolt rear portion to increase is supported on above the steel cap, is used for preventing the slip of fulcrum.So just can be at any time according to the actual conditions of different model insulator, the length of exposing by adjusting pivot bolt, and then reach the method for adjusting the fulcrum height strengthens the range of application of this type pin removal, can be applied to the insulator of various tonnages, model.
(3) miniature hand hammer is designed in the Handheld Division one side, avoid the leading portion bending section, be convenient to after operation is finished, the R pin be reloaded a bowl head.Simplify the quantity that high-rise working carries Work tool, be beneficial to operating personnel's operation.
(4) this type pin removal adopts 16Mn (Q345B) steel matter, has reduced the physical dimension at each position, has reduced weight, and overall weight is about 600 grams, but working strength increases greatly.The corrosion resistance of this section bar matter own is better, takes the electrogalvanizing form to process again, with service life and the aesthetic appearance that strengthens this instrument.
(5) this type pin removal has increased human oriented design, and handgrip part is designed to hatching knurling form exasperate, increases to hold to put forth effort.Simultaneously because this instrument normal operation operating mode is high-rise working, welding annulus in end adopts when being beneficial to high-rise working between rope and the operating personnel to be connected, and effectively prevents the eminence junk.
Description of drawings
Fig. 1 is front view of the present utility model.
Fig. 2 is top view of the present utility model.
Fig. 3 be among Fig. 1 A-A to cutaway view.
The specific embodiment
Such as Fig. 1, Fig. 2, shown in Figure 3, the whole entire body straight-through structure that adopts of R pin pin removal.Be specially: the utility model comprises body 1, and body 1 is the round steel of 16Mn (Q345B) Φ 14mm, total length 300mm.The 36mm length of body 1 end is processed as the taper shape, in the taper shape body directly a stressed side be circular arc, narrow to the 3mm to the end to downside the circular arc both sides, end height is 4mm.At distance body tip 40-60mm place, body 1 curves arc sections 5, and the radius of arc sections 5 is 40-60mm, and arc length is 80-120mm, direct-axis line center chord length 80mm.Position at arc sections 5 central points is provided with hole 2 perpendicular to the circular arc tangential line direction, tapping, and hole 2 is connected with bolt 4, and bolt 4 uses as fulcrum is installed.Utilize the heavy in section at bolt 4 rear portions to contact with steel cap position, as height adjustable fulcrum.
Need to prove that the size of arc sections 5 should be decided according to the body length of integral body, when the body overall length is 300mm, can arc sections 5 be set at distance body tip 40,60mm place, but at the 50mm place the best to be set; The radius of arc sections 5 can be for 40,50, among the 60mm any one, and arc length can be 80,90,100,110, among the 120mm any one.
Be provided with the exasperate Handheld Division 9 with hatching knurling between body 1 and arc sections 5, it is long that Handheld Division 9 is about 100mm, and Handheld Division 9 is welded Φ 20mm annulus 8 foremost, is used for carrying additionally rope and links to each other with operating personnel's safety belt, prevents the high-altitude junk.In addition, weld miniature tup 7 at handgrip part 9 apart from the position of front end 20mm, in order to after operation is complete, it is inner that the R pin is knocked the bowl head that playbacks.
When operation, at first will adjust bolt 4 fulcrums and be transferred to lower position.The taper shape of pin removal end is at first inserted the R pin, a little firmly press down, the R pin can be extracted a part outward, and then adjustment increases the height of bolt 4 fulcrums, then the end of will pulling pin inserts the R pin again, utilizes the R pin of naming a person for a particular job that props up after heightening once to extract correct position, and namely the R pin is just extracted a part, behind certain position, the bulb in the steel cap can be removed and carry out the replacing operation of insulator.

Claims (5)

1. a R sells pin removal, and it is characterized in that: it comprises body (1), and the end of body (1) is the taper shape, and a direct stressed side is circular arc in the taper shape body, and the circular arc both sides are narrowed rear to the end to downside; And at distance body tip 40-60mm place, body (1) curves arc sections (5), and is provided with hole (2) in the position of arc sections (5) central point perpendicular to the circular arc tangential line direction, and hole (2) are connected with bolt (4).
2. R according to claim 1 sells pin removal, and it is characterized in that: the radius of described arc sections (5) is 40-60mm, and arc length is 80-120mm.
3. R pin pin removal according to claim 1 is characterized in that: be provided with the Handheld Division (9) with exasperate between body (1) and arc sections (5).
4. R according to claim 3 sells pin removal, it is characterized in that: (9) front end 20mm place arranges welding miniature tup (7) in the Handheld Division.
5. R according to claim 1 sells pin removal, and it is characterized in that: the front end of described body (1) arranges annulus (8).
CN 201220334086 2012-07-11 2012-07-11 Pin puller for R pin CN202668475U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220334086 CN202668475U (en) 2012-07-11 2012-07-11 Pin puller for R pin

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220334086 CN202668475U (en) 2012-07-11 2012-07-11 Pin puller for R pin

Publications (1)

Publication Number Publication Date
CN202668475U true CN202668475U (en) 2013-01-16

Family

ID=47489408

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220334086 CN202668475U (en) 2012-07-11 2012-07-11 Pin puller for R pin

Country Status (1)

Country Link
CN (1) CN202668475U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103606855A (en) * 2013-11-29 2014-02-26 国家电网公司 Disassembly and assembly device for R-type locking pins of porcelain insulators
CN105305295A (en) * 2014-06-23 2016-02-03 国家电网公司 Special tool for pulling and inserting R type spring pin from insulator
CN107471162A (en) * 2017-09-21 2017-12-15 山东光大线路器材有限公司 A kind of installation tool
CN109318176A (en) * 2018-09-27 2019-02-12 湖南省康普通信技术有限责任公司 A kind of blade inserting takes optical splitter dust cap to choose fixture

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103606855A (en) * 2013-11-29 2014-02-26 国家电网公司 Disassembly and assembly device for R-type locking pins of porcelain insulators
CN105305295A (en) * 2014-06-23 2016-02-03 国家电网公司 Special tool for pulling and inserting R type spring pin from insulator
CN107471162A (en) * 2017-09-21 2017-12-15 山东光大线路器材有限公司 A kind of installation tool
CN107471162B (en) * 2017-09-21 2019-12-24 山东光大线路器材有限公司 Mounting tool
CN109318176A (en) * 2018-09-27 2019-02-12 湖南省康普通信技术有限责任公司 A kind of blade inserting takes optical splitter dust cap to choose fixture

Similar Documents

Publication Publication Date Title
CN204126358U (en) The high electric pole of a kind of safety carries establishes device
CN203481420U (en) Grounding wire device used for power transmission line overhauling
CN205646186U (en) Fasten plug pin subassembly of line that continues
CN201567146U (en) Suspender for eccentric component
CN201594714U (en) Special pin-removing restoring device for porcelain insulator
CN201924243U (en) Embedded type combined high manganese steel frog
CN201505670U (en) Replacing device
CN203218837U (en) Pendulous wire clamp
CN104671075A (en) Clamping structure with two-in-one clamping point
CN201340987Y (en) Extra-high voltage power transmission line separate wire raiser
CN204935552U (en) A kind of taper roll bearing outer ring removing device
CN201918688U (en) Cable terminal frame
CN102021867A (en) Embedded combined high manganese steel frog
CN103357785A (en) Pull wire making device
CN206653952U (en) A kind of electric railway electrically connecting clamp for contact wire crimping, dismounting mould
CN203175139U (en) Novel U-shaped stay wire hoop
CN103264125B (en) Tool for manufacturing stay wire
CN203009693U (en) Rotary connecting piece
CN103457199A (en) Cross arm safety suspension wire ladder
CN205123185U (en) Non -maintaining insulator wire fixation clamp
CN205231428U (en) Protection type wire harness connector
CN206059702U (en) A kind of contact line conducting wire adapter
CN102501933A (en) Seat lifting and descending mechanism of bicycle
CN204160398U (en) A kind of R type spring catch impacts pin removal
CN203281765U (en) Special tool for stay wire making

Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
CP03 Change of name, title or address

Address after: 450051 Zhengzhou, China Central Plains District, North Street, No. 2 West Station

Patentee after: China Electric Power Construction Group Henan engineering company

Address before: 450000 Zhengzhou, China Central Plains District, North Street, No. 2 West Station

Patentee before: Henan No.2 Thermal Power Construction Co.,Ltd.

Address after: 450051 Zhengzhou, China Central Plains District, North Street, No. 2 West Station

Patentee after: China Electric Power Construction Group Henan engineering company

Address before: 450000 Zhengzhou, China Central Plains District, North Street, No. 2 West Station

Patentee before: Henan No.2 Thermal Power Construction Co.,Ltd.

C56 Change in the name or address of the patentee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130116

Termination date: 20190711

CF01 Termination of patent right due to non-payment of annual fee