CN102593749A

CN102593749A - Insulator end clamp

Info

Publication number: CN102593749A
Application number: CN201210032309XA
Authority: CN
Inventors: 王成华; 张鸣; 黄仲明; 刘高
Original assignee: Foshan Power Supply Bureau of Guangdong Power Grid Corp
Current assignee: Foshan Power Supply Bureau of Guangdong Power Grid Corp
Priority date: 2012-02-14
Filing date: 2012-02-14
Publication date: 2012-07-18
Anticipated expiration: 2032-02-14
Also published as: CN102593749B

Abstract

The invention discloses an insulator end clamp. The insulator end clamp comprises a clamp screw with a clamp wire tightener, a clamp head which is connected with one end of the clamp screw, and a hanging plate which is connected with the other end of the clamp screw, wherein a rotary head is arranged on the side face of the hanging plate which faces the clamp head; a fixed device which is fixed with a triangular connection plate on a conducting wire is connected to the rotary head; the fixed device is buckled by a clamping plate and a cover plate to form a group of clamping bodies for clamping the triangular connection plate; threaded supporting columns which are used for supporting the side face of the triangular connection plate are arranged on at least two edges of the clamping plate; a backup protection buckle which serves as a backup protection hanging point of an insulator string is arranged on the clamping plate; and a hanging hole is formed in the middle of the backup protection buckle. The insulator end clamp is firm and can bear a heavy load; and because the threaded supporting columns have an adjustment positioning function and a firmness improvement function, the insulator end clamp can be applied to connection plates of substantially same specification and is wide in application range.

Description

Insulator end jig

Technical field

The present invention relates to a kind of insulator jig, particularly relate to a kind of insulator end jig.

Background technology

Insulator jig of the prior art; Often can the insulator at insulator string middle part be taken off easily, still change first insulator of lead side of insulator string if desired, then relatively more difficult; Because the jig head of jig screw rod one end can be stuck on the steel cap of first insulator; But to the lead side but difficulty find fixing point, jig can't be played a role, need in addition additional one can fix a little device to replace the jig head of the jig screw rod other end; Could insulator string tension force be unloaded after tightening up screw rod like this; Thereby with the replacing that relaxes of first insulator of lead side, the very trouble yet this kind mode can seem does not find easier method or device as yet yet in the prior art.

Summary of the invention

Technical problem to be solved by this invention provides a kind of insulator end jig, through using this jig, and can be easily, first insulator of lead side with insulator string takes off easily.

For solving the problems of the technologies described above; The invention provides a kind of insulator end jig; Except comprise jig screw rod with jig wire grip with jig head that jig screw rod one end is connected; Also comprise the link plate that is connected with the said jig screw rod other end, be provided with swivel head towards the side of the link plate of said jig head, be connected with on this swivel head be used for lead on the fixing fixture of triangle yoke plate.

Through the design link plate; Replaced the wherein jig head of an end of jig screw rod that is arranged on of the prior art; On link plate through swivel head is set, swivel head connect again be used for lead on the fixing fixture of triangle yoke plate, can be when first insulator of the lead side of taking off insulator string; Find a fixing point; And this fixing point is the triangle yoke plate on the lead, as long as this end of link plate is fixed on the triangle yoke plate, can take off first insulator of lead side on the insulator string very easily, easily.

Said fixture is fastened by clamp and cover plate forms one group of cramping body that is used for clamping triangle yoke plate.Come to fix with the triangle yoke plate through the mode of clamp and cover plate clamping, it is simple in structure, and is convenient.

At least two edges of said clamp are provided with the threaded top post that is used to withstand triangle yoke plate side.Purpose is that the triangle yoke plate can be fixed with clamp and cover plate and locate better.

Said clamp is provided with the backup protection button as insulator string backup protection hitch point, and the middle part of said backup protection button is provided with suppending hole.In work progress, the fracture if Work tool goes wrong, second protection is carried out in only reliable backup protection; Avoid accident to enlarge, but do not have the hanging point of backup protection on the insulator string, so the backup protection button is set on clamp; Connecting backup protection with steel wire rope buckles and the body of the tower cross-arm; After instrument (like lead screw) fracture, there is steel wire rope to hold insulator string, be unlikely to the expansion that causes the accident owing to broken tool.

The present invention has following useful technique effect:

(1) through the triangle yoke plate fixture of clamp and cover plate Combination Design, not only firm, and can bear big load, owing to threaded top post adjustment location is arranged and increase firm function, can use on the identical substantially yoke plate of specification applied range;

(2) design of swivel head can make the construction of replacing process easier and convenient, also can bear bigger pulling force;

(3) design of backup protection button can be insulator string the backup protection hitch point is provided in work progress, thereby prevents the expansion that causes the accident owing to broken tool.

Description of drawings

Fig. 1 is the structural representation of insulator of the present invention end jig;

Fig. 2 is the link plate of the said insulator of Fig. 1 end jig and the syndeton sketch map of clamp;

Fig. 3 is the structural representation of the clamp of the said insulator of Fig. 1 end jig;

Fig. 4 is the structure of cover plate sketch map of insulator shown in Figure 1 end jig;

Among the figure: 1-jig screw rod, 2-jig head, 3-link plate, 4-swivel head; The 5-clamp, 6-cover plate, 7-threaded top post, 8-backup protection button; The 9-bolt, 10-bolt hole, 11-fixed axis, 12-sleeve; The 13-pin, 14-jig wire grip, second insulator of 15-lead side, first insulator of 16-lead side.

Embodiment

Below in conjunction with accompanying drawing and specific embodiment the present invention is done further explain.

Embodiment:

To shown in Figure 4, a kind of insulator end jig comprises jig screw rod 1, jig head 2 that is connected with jig screw rod 1 one ends and the link plate 3 that is connected with said jig screw rod 1 other end with jig wire grip 14 like Fig. 1.Side towards the link plate 3 of said jig head 2 is provided with swivel head 4, be connected with on this swivel head 4 be used for lead on the fixing fixture of triangle yoke plate.Said fixture is fastened with cover plate 6 by clamp 5 forms one group of cramping body that is used for clamping triangle yoke plate.Clamp 5 mainly is to lump together through bolt 9 clips with cover plate 6, thereby the triangle yoke plate on the lead is clamped.Therefore all be provided with bolt hole 10 on clamp 5 and the cover plate 6, and bolt hole 10 is designed to strip, is convenient to adjust the relative position between clamp 5 and the cover plate 6.At least two edges of said clamp 5 are provided with the threaded top post 7 that is used to withstand triangle yoke plate side, and the triangle yoke plate can be fixed and the location with clamp 5 and cover plate 6 better.Said clamp 5 is provided with the backup protection button 8 as insulator string backup protection hitch point, and the middle part of said backup protection button 8 is provided with suppending hole.In work progress, the fracture if Work tool goes wrong, second protection is carried out in only reliable backup protection; Avoid accident to enlarge, but do not have the hitch point of backup protection on the insulator string, so backup protection button 8 is set on clamp 5; With steel wire rope connect backup protection buckle 8 with the body of the tower cross-arm; After instrument (like lead screw) fracture, there is steel wire rope to hold insulator string, be unlikely to the expansion that causes the accident owing to broken tool.

In the present embodiment, swivel head 4 has a fixed axis 11, has a sleeve 12 on the clamp 5, and sleeve 12 is enclosed within on the fixed axis 11, and fixed axis 11 can be in sleeve 12 inner rotations.A pin 13 can also be installed on swivel head 4 sides, be used to prevent that sleeve 12 from coming off from fixed axis 11.

In use, earlier the triangle yoke plate on the lead is snapped between clamp 5 and the cover plate 6, and then threaded together fore-set 7, threaded top post 7 will only be withstood the edge of triangle yoke plate, thereby steadily fixes the triangle yoke plate.Again jig head 2 is enclosed within on second insulator 15 of lead side of insulator string; Two jig screw rods 1 (jig screw rod 1 can stretch) of this jig are hung empty the connection with link plate 3 both sides; And then tighten up screw rod, can first insulator 16 of lead side of insulator string be changed.

The present invention has replaced the wherein jig head of an end of jig screw rod 1 of being located at of the prior art through the design to link plate 3, and clamp 5 is formed one group of anchor clamps with the fastening of cover plate 6.Clamp the triangle yoke plate of insulator string lead side; Form fixed pivot, clamp 5 is provided with sleeve 12, utilizes sleeve 12 to entangle fixed axis 11; Fixed axis 11 supports link plate 3; Company's section of link plate 3 connects jig screw rod 1, tightens up jig screw rod 1, can very easily take off first insulator 16 of lead side of insulator string.

Above-listed detailed description is to the specifying of one of the present invention possible embodiments, and this embodiment is not in order to limiting claim of the present invention, and the equivalence that all the present invention of disengaging do is implemented or change, all should be contained in the claim of this case.

Claims

1. insulator end jig; Comprise jig screw rod with jig wire grip and the jig head that is connected with jig screw rod one end; It is characterized in that: also comprise the link plate that is connected with the said jig screw rod other end; Side towards the link plate of said jig head is provided with swivel head, be connected with on this swivel head be used for lead on the fixing fixture of triangle yoke plate.

2. insulator according to claim 1 end jig is characterized in that: said fixture is fastened by clamp and cover plate forms one group of cramping body that is used for clamping triangle yoke plate.

3. insulator according to claim 2 end jig is characterized in that: at least two edges of said clamp are provided with the threaded top post that is used to withstand triangle yoke plate side.

4. according to claim 2 or 3 described insulator end jigs, it is characterized in that: said clamp is provided with the backup protection button as insulator string backup protection hitch point.

5. insulator according to claim 4 end jig, it is characterized in that: the middle part of said backup protection button is provided with suppending hole.