CN106374391A

CN106374391A - Insulator end clamp

Info

Publication number: CN106374391A
Application number: CN201611018789.9A
Authority: CN
Inventors: 冯海江
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-11-18
Filing date: 2016-11-18
Publication date: 2017-02-01

Abstract

The invention discloses an insulator end clamp. In addition to a clamp screw provided with a clamp wire tightener and a clamp head connected with one end of the clamp screw, the insulator end clamp comprises a hanging plate connected with the other end of the clamp screw, wherein the side of the hanging plate facing the clamp head is provided with a rotating head, and a fixed device which is fixed to a triangular yoke plate on a conductor is connected to the rotating 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 yoke plate. Threaded support columns which are used for supporting the sides of the triangular yoke 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. Because the threaded supporting columns have a positioning adjustment function and a firmness improvement function, the insulator end clamp can be applied to yoke plates of substantially same specification, and has a wide application range.

Description

Insulator end clamp

Technical field

The present invention relates to a kind of insulator clamp apparatus, more particularly to a kind of insulator end clamp.

Background technology

Insulator clamp apparatus of the prior art, tend to easily take off the insulator in the middle part of insulator chain, but The side of wire first insulator if necessary to change insulator string, then relatively difficult, because the fixture head of fixture screw rod one end Can be stuck on the steel cap of first insulator, but but difficulty finds fixing point to side of wire, so that fixture cannot be played a role, need In addition to add a device that can fix a little to replace the fixture head of the fixture screw rod other end, could incite somebody to action after so tightening up screw rod Insulator string tension force unloads, thus side of wire first insulator is relaxed replacing, but this kind of mode can seem very numb Tired, also not yet find easier method or apparatus in prior art.

Content of the invention

The technical problem to be solved is to provide a kind of insulator end clamp, by using this fixture, can be light Pine, easily the side of wire first insulator of insulator string is taken off.

For solving above-mentioned technical problem, the invention provides a kind of insulator end clamp, tight except including there is fixture Outside the fixture screw rod of line device and the fixture head that is connected with fixture screw rod one end, also include being connected with the described fixture screw rod other end Link plate, is provided with swivel head towards the side of the link plate of described fixture head, this swivel head is connected with for wire on triangle The fixing fixing device of yoke plate.

By designing link plate, substituted for the fixture head being arranged on fixture screw rod wherein one end of the prior art, in link plate Above pass through to arrange swivel head, swivel head is connected to the fixing device fixing with the triangle yoke plate on wire again, can take off During the side of wire first insulator of insulator chain, find a fixing point, and this fixing point is the triangle yoke plate on wire, only This one end of link plate is fixed on triangle yoke plate, you can very easily, easily take off the side of wire first on insulator chain Piece insulator.

Described fixing device is fastened by clamp and cover plate and forms one group of cramping body for clamping triangle yoke plate.By clamp To fix with triangle yoke plate with the mode of cover plate clamping, its structure is simple, convenient.

At least two edges of described clamp are provided with the threaded top post for withstanding triangle yoke plate side.Purpose is to make three Angle yoke plate preferably can be fixed with clamp and cover plate and position.

Described clamp is provided with the back-up protection button as insulator chain back-up protection hitch point, described back-up protection button Middle part is provided with suppending hole.In work progress, the fracture if Work tool goes wrong, only reliable back-up protection carries out secondary guarantor Shield, it is to avoid fault spread, but the hanging point of back-up protection is not had on insulator chain, therefore back-up protection button is set on clamp, use Steel wire rope connects back-up protection and buckles and tower body cross-arm, after instrument (as lead screw) ruptures, has steel wire rope to hold insulator chain, no As for the expansion being caused the accident due to broken tool.

The present invention has following Advantageous Effects:

(1) pass through the triangle yoke plate fixing device of clamp and cover plate combination design, not only firmly, and can bear negative greatly Lotus, due to having threaded top post adjustment positioning and increasing firm function, can apply model using on the yoke plate that specification is substantially the same Enclose wide；

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

(3) design of back-up protection button, can provide back-up protection hitch point for insulator chain in work progress, thus anti- The expansion only being caused the accident due to broken tool.

Brief description

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

Fig. 2 is the attachment structure schematic diagram of the link plate of insulator end clamp described in Fig. 1 and clamp；

Fig. 3 is the structural representation of the clamp of insulator end clamp described in Fig. 1；

Fig. 4 is the structural representation of the cover plate of insulator end clamp shown in Fig. 1；

In figure: 1- fixture screw rod, 2- fixture head, 3- link plate, 4- swivel head, 5- clamp, 6- cover plate, 7- threaded top post, 8- Back-up protection button, 9- bolt, 10- bolt hole, 11- fixing axle, 12- sleeve, 13- pin, 14- fixture tightener, 15- side of wire Second insulator, 16- side of wire first insulator.

Specific embodiment

Below in conjunction with the accompanying drawings and specific embodiment is described in further detail to the present invention.

Embodiment:

As shown in Fig. 1 to Fig. 4, a kind of insulator end clamp, including the fixture screw rod 1 with fixture tightener 14 and Fixture head 2 and the link plate 3 being connected with described fixture screw rod 1 other end that fixture screw rod 1 one end connects.Towards described fixture head 2 The side of link plate 3 be provided with swivel head 4, this swivel head 4 is connected with for wire on the fixing fixing dress of triangle yoke plate Put.Described fixing device is fastened by clamp 5 and cover plate 6 and forms one group of cramping body for clamping triangle yoke plate.Clamp 5 and cover plate 6 mainly pass through bolt 9 fixation snaps together, thus the triangle yoke plate on wire is clamped.Therefore on clamp 5 and cover plate 6 It is designed with bolt hole 10, and bolt hole 10 is designed to strip, be conveniently adjusted the relative position between clamp 5 and cover plate 6.Described At least two edges of clamp 5 are provided with the threaded top post 7 for withstanding triangle yoke plate side, enable triangle yoke plate preferably with Clamp 5 and cover plate 6 are fixed and are positioned.Described clamp 5 is provided with the back-up protection button as insulator chain back-up protection hitch point 8, the middle part of described back-up protection button 8 is provided with suppending hole.In work progress, the fracture if Work tool goes wrong, only according to Carry out second protection by back-up protection, it is to avoid fault spread, but the hitch point of back-up protection is not had on insulator chain, therefore in card Back-up protection button 8 is arranged on plate 5, connects back-up protection with steel wire rope and buckle 8 and tower body cross-arm, when instrument (as lead screw) fracture Afterwards, there is steel wire rope to hold insulator chain, be unlikely to the expansion causing the accident due to broken tool.

In the present embodiment, swivel head 4 has a fixing axle 11, and clamp 5 has a sleeve 12, and sleeve 12 is enclosed within solid On dead axle 11, fixing axle 11 can be in sleeve 12 internal rotating.One pin 13 can also be installed on swivel head 4 side, be used for Prevent sleeve 12 from coming off from fixing axle 11.

When using, first the triangle yoke plate on wire is snapped between clamp 5 and cover plate 6, then tighten threaded top post again 7, threaded top post 7 will only withstand the edge of triangle yoke plate, thus steadily fixing triangle yoke plate.Again fixture head 2 is enclosed within On second insulator 15 of the side of wire of insulator chain, two fixture screw rods 1 (fixture screw rod 1 can stretch) of this fixture Link plate 3 both sides are hung empty connection, then tighten up screw rod, you can the side of wire first insulator 16 of insulator chain is changed down again Come.

The present invention, by the design to link plate 3, substituted for the fixture located at fixture screw rod 1 wherein one end of the prior art Head, clamp 5 forms one group of fixture with the fastening of cover plate 6.The triangle yoke plate of clamping insulator chain side of wire, forms fixed pivot, Clamp 5 is provided with sleeve 12, entangles fixing axle 11 using sleeve 12, and fixing axle 11 supports link plate 3, and company's section of link plate 3 connects card Tool screw rod 1, tightens up fixture screw rod 1, you can easily take off very much the side of wire first insulator 16 of insulator chain.

Above-listed detailed description is illustrating for one of present invention possible embodiments, and this embodiment simultaneously is not used to limit The scope of the claims of the present invention, all equivalence enforcements done without departing from the present invention or change, are intended to be limited solely by the scope of the claims of this case In.

Claims

1. a kind of insulator end clamp, including the fixture screw rod with fixture tightener and the card being connected with fixture screw rod one end Tool head it is characterised in that: also include the link plate being connected with the described fixture screw rod other end, towards the side of the link plate of described fixture head Face is provided with swivel head, and described fixing device is fastened by clamp and cover plate and forms one group of cramping body for clamping triangle yoke plate, institute At least two edges stating clamp are provided with the threaded top post for withstanding triangle yoke plate side.

2. insulator end clamp according to claim 1 it is characterised in that: described clamp is provided with as insulator chain The back-up protection button of back-up protection hitch point.

3. insulator end clamp according to claim 2 it is characterised in that: the middle part of described back-up protection button is provided with outstanding Hanging hole.