CN208445205U

CN208445205U - UHV transmission line insulator R sells dedicated pin pulling tool

Info

Publication number: CN208445205U
Application number: CN201821179733.6U
Authority: CN
Inventors: 史博晖
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-07-24
Filing date: 2018-07-24
Publication date: 2019-01-29
Anticipated expiration: 2028-07-24

Abstract

This patent discloses a kind of dedicated pin pulling tool of UHV transmission line insulator R pin, including ring-shaped clip (2) and L-type crowbar (1)；The ring-shaped clip (2) is held on the excircle of insulator (4) steel cap (42) and is locked by dish-shaped locknut (22), and support (21) are provided on the excircle of ring-shaped clip (2)；L-type crowbar (1) is hinged on the support (21) of ring-shaped clip (2)；The head of the working end of L-type crowbar (1) is provided with blind rivet (13) and pressing plate (12), in the pull ring on head insertion R pin (3) top of blind rivet (13), pressing plate (12) pressure holding sells (3) top in R, for the extraction when insulator is replaced in high-altitude and insertion R pin.The advantages of this patent is: structure is simple, and use is laborsaving, can be used for the insulator of different shape and structure, is not limited by porcelain dish (43) spacing of adjacent insulator (4).

Description

UHV transmission line insulator R sells dedicated pin pulling tool

Technical field

This patent is related to a kind of UHV transmission line replacement insulation sub- instrument, and especially a kind of UHV transmission line is exhausted Edge R sells dedicated pin pulling tool.

Background technique

The conducting wire of UHV transmission line passes through insulator chain mostly and is suspended on electric power line pole tower, and insulator chain is by more The bulb of piece suspension insulator and steel cap with ball-and-socket concatenate, the bulb of the dish-type porcelain dish lower end of one insulator when concatenation It is inserted into the ball-and-socket of steel cap upper end of adjacent insulator, is inserted into R pin locked.Every insulator all have it is very high electrical and Mechanical strength ensure that the reliability service of transmission line of electricity.But after running for many years, individual insulators can occur to deteriorate and lose Effect, need to be replaced at any time.A kind of special mould clamp with tightening device must be used when replacing insulator, make Faulty insulator Become relaxed state from tension, it in a relaxed state could be by the bulb of Faulty insulator and steel cap from adjacent insulator pair It is disengaged in the steel cap and bulb answered, then it is taken out from insulator chain and is replaced.

When the insulator deterioration takes out replacement from insulator chain, need first one end bulb of Faulty insulator with R on the steel cap of adjacent insulator between ball-and-socket, which is sold, to be extracted, on the steel cap and adjacent insulator of the Faulty insulator other end R between bulb, which is sold, to be extracted, and is needed again to sell R after new insulator installation and is inserted into.But it insulate for UHV transmission line Son, since the plug of R pin needs 10 kilograms or so of power, simultaneously because the difference of insulator structure, adjacent insulator porcelain dish it Between distance it is short, it is difficult to lead to be inserted into and pull out under the conductive environment of high-altitude R pin；It is recessed in the following of porcelain dish especially for bulb Within edge, when R pin is in the inside cavity of porcelain dish, extracts and insertion R pin used tool is limited, in high aloft alive circuit On, R even can not be pulled up and be inserted into using existing tool to be sold.

Summary of the invention

The purpose of this utility model is to design a kind of dedicated pin pulling tool of UHV transmission line insulator R pin, is used for High-altitude is extracted when replacing insulator and insertion R pin, is not limited by the porcelain dish spacing of insulator shape and adjacent insulator.

The technical solution of the utility model is: UHV transmission line insulator R sells dedicated pin pulling tool, it is characterized in that: Including ring-shaped clip and L-type crowbar；The ring-shaped clip is held on the excircle of insulator steel cap and by dish-shaped locknut lock Tightly, support is provided on the excircle of ring-shaped clip；L-type crowbar is hinged on the support of ring-shaped clip；In the work of L-type crowbar The head for making end is provided with blind rivet and pressing plate, and the head insertion R of blind rivet is sold in the pull ring on top, and pressing plate presses the pull ring sold in R Top；

Connection is respectively arranged on the support for the elbow and ring-shaped clip that the handle of L-type crowbar is connected with working end Hole, pin shaft are inserted into the connecting hole on the support of L-type crowbar and ring-shaped clip and are formed hingedly, and L-type crowbar can be rotated around support.

The advantages of this patent is: structure is simple, light-weight, and use is laborsaving；It can be used for the insulator of different shape and structure, It is not limited by the porcelain dish spacing of adjacent insulator.

Detailed description of the invention

Fig. 1 is insulator main view；

Fig. 2 is insulator right view；

Fig. 3 is R latch structure schematic diagram；

Fig. 4 is ring-shaped clip structural schematic diagram；

Fig. 5 is L-type crowbar main view；

Fig. 6 is L-type crowbar top view；

Fig. 7 is L-type crowbar and ring-shaped clip connection schematic diagram；

Fig. 8 is that insulator R described in this patent sells dedicated pin pulling tool application method schematic diagram.

In figure, 1-L type crowbar, 2- ring-shaped clip, 3-R pin, 4- insulator, 11- handle, 12- pressing plate, 13- blind rivet, 21- Support, 22- butterfly locknut, 41- ball-and-socket, 42- steel cap, 43- porcelain dish, 44- bulb.

Specific embodiment

The utility model is described in detail with reference to the accompanying drawings and detailed description.

As shown in Fig. 1 to Fig. 3, insulator 4 and R pin 3 are common disc insulator and elastic opening pin, and insulator 4 wraps Porcelain dish 43, steel cap 42 and bulb 44 are included, steel cap 42 is arranged in 4 upper-center of insulator, is provided in the top center of steel cap 42 The ball-and-socket 41 of lateral openings, is provided with the pin hole radially penetrated through along steel cap 42 in the bottom sidewall of ball-and-socket 41；Bulb 44 is arranged In the lower end of porcelain dish 43 center, the shape of bulb 44 is adapted with ball-and-socket 41, when the bulb 44 of an insulator 4 is exhausted from another After 41 side opening of ball-and-socket on 4 top steel cap 42 of edge enters the ball-and-socket 41, bulb 44 along the central axis of insulator 4 It tenses upwards, is bonded the upper arc surface of bulb 44 with the lower arc surface of ball-and-socket 41, then R pin 3 is inserted into the pin on steel cap 42 Kong Zhong, make R pin 3 be close to bulb 44 lower end surface, due to R pin 3 to bulb 44 in axially position, bulb 44 cannot in ball-and-socket 41 It up and down and moves radially, so that just bulb 44 is locked in ball-and-socket 41 by R pin 3, two adjacent insulators 4 is made to be connected to one It rises.Same method is successively firmly chained together multiple insulators 4, referring to Fig. 8, forms insulator chain.R pin 3 is bullet Property split pin, is provided with pull ring, another end opening in one end of R pin 3, centre is provided with protrusion, so the pin on steel cap 42 Certain strength, generally 10 Kgfs or so are required in hole into and out R pin 3.So being needed into and out R pin 3 By tool.

As shown in fig. 7, it includes ring-shaped clip 2 and L-type crowbar 1 that insulator R described in this patent, which sells dedicated pin pulling tool,；L Type crowbar 1 and ring-shaped clip 2 are hinged；As shown in figure 4, the excircle of the steel cap 42 of ring-shaped clip 2 and insulator 4 matches, pass through Openable and closable structure is easily held on the excircle of steel cap 42 of insulator 4, and is locked by dish-shaped locknut 22, It is provided with support 21 on the excircle of ring-shaped clip 2, is provided with connecting hole on support 21；L-type crowbar 1 is hinged on ring-shaped clip On 2 support 21；As shown in Figure 5, Figure 6, L-type crowbar 1 is L-type structure, and one end is handle 11, and the other end is working end, in L-type The head of the working end of crowbar 1 is provided with blind rivet 13 and pressing plate 12, and the head of blind rivet 13 is inserted into the pull ring on 3 top of R pin, pressing plate 12 pressure holdings are on the top of the pull ring of R pin 3；Opened gap between the pressing plate 12 and blind rivet 13 on the head of the working end of L-type crowbar 1 Slightly larger than the wall thickness of 3 top pull ring of R pin.It is formed by elbow in the handle 11 of L-type crowbar 1 and working end intersection and is provided with company Hole is connect, pin shaft, which is inserted into the connecting hole on the support 21 of the connecting hole on L-type crowbar 1 and ring-shaped clip 2, forms hinged, L-type sled Thick stick 1 can be rotated around support 21.

As shown in figure 8, when need from insulator chain replace an insulator 4 when, need connect the insulator 4 two The R pin 3 at end and adjacent 4 junction of insulator is extracted, and operating process is as follows:

Firstly, the dish-shaped locknut 22 on ring-shaped clip 2 is unscrewed, ring-shaped clip 2 is opened, ring-shaped clip 2 is held in R pin On the steel cap 42 of 3 place insulators 4, the blind rivet 13 on the working end head of L-type crowbar 1 is inserted into the pull ring of R pin 3；Ring is closed again Shape clip 2 tightens wing nut 22, is held in ring-shaped clip 2 securely on the excircle of steel cap 42；L-type crowbar 1 is pulled again Handle 11, is lifted up working end, and R pin 3 is extracted upwards in company with blind rivet 13, to remove R pin 3.Dotted line is L-type sled in Fig. 8 Position signal after thick stick rotation.

When needing to install new insulator 4, need R pin 3 to be inserted into ball-and-socket 41 and adjacent insulator 4 on steel cap 42 In the pin hole of 44 junction of bulb, operating process is as follows:

Firstly, the dish-shaped locknut 22 on ring-shaped clip 2 is unscrewed, ring-shaped clip 2 is opened, ring-shaped clip 2 is held in R pin On the steel cap 42 of 3 place insulators 4, the blind rivet 13 on the working end head of L-type crowbar 1 is inserted into the pull ring of R pin 3 and makes pressing plate 12 Pressure holding is on 3 pull ring top of R pin；Ring-shaped clip 2 is closed again, the lower end aligned of R pin 3 and is inserted into pin hole oral area, is tightened butterfly spiral shell Mother 22, ring-shaped clip 2 is securely held on the excircle of steel cap 42；The handle 11 for pulling L-type crowbar 1 again, keeps working end downward Rotation, R pin 3 are pressed into pin hole under the action of pressing plate 12.

Claims

1. UHV transmission line insulator R sells dedicated pin pulling tool, it is characterized in that: including ring-shaped clip (2) and L-type crowbar (1)；The ring-shaped clip (2) is held on the excircle of insulator (4) steel cap (42) and is locked by dish-shaped locknut (22), Support (21) are provided on the excircle of ring-shaped clip (2)；L-type crowbar (1) is hinged on the support (21) of ring-shaped clip (2)； The head of the working end of L-type crowbar (1) is provided with blind rivet (13) and pressing plate (12), head insertion R pin (3) top of blind rivet (13) In the pull ring at end, pressing plate (12) pressure holding is on the pull ring top of R pin (3).

2. UHV transmission line insulator R according to claim 1 sells dedicated pin pulling tool, it is characterized in that: being prized in L-type It is respectively arranged with connecting hole on the support (21) of elbow and ring-shaped clip (2) that the handle (11) of thick stick (1) is connected with working end, Pin shaft, which is inserted into the connecting hole on the support (21) of L-type crowbar (1) and ring-shaped clip (2), to be formed hingedly, and L-type crowbar (1) can be around Support (21) rotation.