CN216638668U

CN216638668U - Porcelain bushing hoisting tool

Info

Publication number: CN216638668U
Application number: CN202123222699.0U
Authority: CN
Inventors: 文芳
Original assignee: Liling Huaxin Electric Appliance Co ltd
Current assignee: Liling Huaxin Electric Appliance Co ltd
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-05-31
Anticipated expiration: 2031-12-21

Abstract

The utility model discloses a porcelain bushing hoisting tool which comprises a clamping structure, wherein the clamping structure is a crossed arm structure consisting of two fork arms, and each fork arm comprises a straight rod section and a clamping part; the clamping part comprises a bending section, the bending section comprises a first bending section and a second bending section, the inner side of the first bending section is a free end, and an arc-shaped clamping part with an inner concave cambered surface is fixedly arranged on the free end; two ends of the second bending section are fixedly connected with the outer side of the first bending part and the lower end of the straight rod section respectively; the two arms of the cross arm correspond to the upper part of the straight rod section, a hook part is further arranged on the upper part of the straight rod section, and a lifting rope is hung on the hook part and is connected with a lifting hook of external hoisting equipment through the lifting rope during hoisting operation. The utility model has simple structure, convenient hoisting operation and good stability in the hoisting operation process.

Description

Porcelain bushing hoisting tool

Technical Field

The utility model relates to the field of machining accessories of insulating porcelain sleeves, in particular to a porcelain sleeve hoisting tool.

Background

The insulating porcelain bushing is a special insulating control part which is a device capable of withstanding voltage and mechanical stress action and is arranged between conductors with different electric potentials or between the conductors and a grounding component, and creepage distance can be increased in an overhead transmission line so as to guarantee the service life and the service life of a related line.

With the development of the power transmission and transformation industry, medium and large-size insulating porcelain sleeves of different types and specifications on the market are more and more, although the structures and the appearances of the insulating porcelain sleeves of different types are greatly different, the insulating porcelain sleeves are composed of an insulating part and a connecting hardware fitting, the connecting hardware fitting end is mainly used for connecting a conductor, and hoisting operation is usually required in the manufacturing, detecting and assembling processes of the insulating porcelain sleeves; and do not have the frock that is used for hoist and mount insulating porcelain cover specially among the prior art, the commonly used hoist and mount mode is that the loop wheel machine that recycles is filled up on the porcelain cover with the rope system, and this kind of hoist and mount mode is wasted time and energy, and does not possess better suspension stability, makes insulating porcelain cover be in the tilt state at the hoist and mount in-process easily, has promoted the degree of difficulty of suspension hoist and mount.

Disclosure of Invention

The technical problem to be solved by the utility model is to provide a porcelain bushing hoisting tool to solve the defects in the technical background.

The technical problem solved by the utility model is realized by adopting the following technical scheme:

a porcelain bushing hoisting tool comprises a clamping structure, wherein the clamping structure is a cross arm structure consisting of two fork arms, and the fork arms are oppositely arranged and respectively comprise a straight rod section and a clamping part;

the clamping part is arranged at the lower end of the straight rod section and comprises a bending section, the bending section comprises a first bending section and a second bending section, and the bending angles of the first bending section and the second bending section are based on the connection hardware fitting for staggering the porcelain sleeve in the clamping operation of the tool; the inner side of the first bending part is a free end, an arc clamping part with an inner concave arc surface is fixedly arranged on the free end, and the inner concave arc surface of the arc clamping part is matched with the outer diameter of the neck of the porcelain sleeve to be hoisted correspondingly; two ends of the second bending section are fixedly connected with the outer side of the first bending part and the lower end of the straight rod section respectively;

the two arms of the cross arm correspond to the upper part of the straight rod section, a hook part is further arranged on the upper part of the straight rod section, and a lifting rope is hung on the hook part and is connected with a lifting hook of external hoisting equipment through the lifting rope during hoisting operation.

As a further limitation, the straight rod section and the clamping part of the fork arm are formed by bending square steel integrally.

As a further limitation, the straight rod section and the clamping part of the fork arm are of a detachable connection structure, and the detachable connection mode is one or a combination of concentric insertion, welding, threaded connection and pin connection.

By way of further limitation, the two fork arms are provided with hinged supports at the length positions of 1/4-2/5 downward of the upper end of the corresponding straight rod section, and the hinged supports are hinged to enable the two fork arms to form the cross arm structure.

As a further limitation, a heat shrinkable tube is formed on the straight rod section of the fork arm to serve as a buffer layer.

As a further limitation, a fabric belt is tied on the straight rod section of the fork arm to serve as a buffer layer, and the fabric belt is provided with a drooping end, so that the porcelain bushing can be conveniently and directly stood on the ground to perform loosening operation of the tool after falling to the ground.

As a further limitation, the first bending section and the second bending section of the bending section are integrally in an L-shaped structure, and are bent inwards at the first bending section to form a clamping structure in cooperation with the arc clamping part;

the first bending part and the arc clamping part are kept horizontal when the tool hoisting operation is carried out.

As a further limitation, the hook part is a hook hole structure with a U-shaped buckle, and the lifting rope is detached at the hook part through the U-shaped buckle.

Has the advantages that: the porcelain bushing hoisting tool is specially used for hoisting the insulating porcelain bushing with the connecting hardware fitting, is simple to operate, can be locked by the dead weight of the insulating porcelain bushing, can ensure the stability and levelness of operation in the hoisting process, and can effectively reduce the hanging and hoisting difficulty of the insulating porcelain bushing while preventing collision in the hoisting operation process.

Drawings

FIG. 1 is a schematic view of an assembly structure according to a preferred embodiment of the present invention.

Fig. 2 is a schematic cross-sectional view of section a-a in fig. 1.

Wherein: 1. a lifting rope; 2. a U-shaped buckle; 3. a hooking hole; 4. a straight pole section; 5. a hinged support; 6. a buffer layer; 7. a fabric tape hanging end; 8. an insulating porcelain bushing; 9. a second bending section; 10. a first bending section; 11. an arc clamping part.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further explained below by combining the specific drawings.

Referring to fig. 1-2, in this embodiment, the hoisting tool includes a clamping structure, the clamping structure includes two opposite fork arms, the two fork arm structures are identical, and each fork arm structure includes a straight rod section 4 and a clamping portion, the clamping portion includes a bending section and an arc clamping portion, and the straight rod section 4 of the fork arm and the bending section of the clamping portion are formed by bending square steel integrally.

Two yoke all are provided with hook portion at the upper end of straight pole section 4, and in this embodiment, this hook portion is equipped with a U type through buckling 2 including setting up in hook hole 3 on straight pole section 4 upper portion on this hook hole 3 cover, and the yoke is buckled 2 through the U type and can be dismantled and be equipped with lifting rope 1, and lifting rope 1 then is used for connecting outside lifting device's lifting hook when the hoist and mount operation.

Two yoke arms are provided with hinged support 5 at the downward 2/5 straight-bar section length position of the upper end of straight-bar section 4, and two yoke arms are together in order to form the cross arm structure through hinged support hinge dress for two yoke arms can carry out relative rotation in order to realize the clamping action around hinged support.

The clamping part sets up in straight pole section lower extreme, including the bending section, this bending section includes first bending section 10 and second bending section 9, wherein, the inboard of first bending part 10 has linked firmly the arc of in-band concave cambered surface and clamps portion 11, this arc clamps the structure of portion 11 as shown in figure 2, the arc clamps the inboard of portion 11 for with correspond treat the 8 neck external diameter assorted cambered surfaces of hoist and mount, and the lower extreme of second bending section 9 links firmly with the outside of first bending part 10, and the upper end links firmly with the lower extreme of straight pole section 4. In this embodiment, the first bending section 10 and the second bending section 9 of the bending section are integrally L-shaped, and the first bending section 10 and the second bending section 9 in the bending section clamp the neck of the insulating porcelain bushing 8 according to the state shown in fig. 1, so that the connecting hardware fitting of the staggered porcelain bushing is adopted, and meanwhile, the first bending part 10 and the arc clamping part 11 are kept horizontal in the whole process of the tool hoisting operation.

When the tool is used for operation, the arc clamping portion 11 is clamped at the neck of the insulating porcelain bushing 8, the lifting rope 1 is hung on a lifting hook corresponding to external hoisting equipment after pre-fixing, the lifting rope 1 is lifted through the lifting hook, the insulating porcelain bushing 8 can be clamped and fixed through the cross arm structure and the dead weight of the insulating porcelain bushing 8, and the tool can be loosened after the insulating porcelain bushing 8 is lifted in place and the stress on the lifting rope 1 is removed.

In this embodiment, it has the fabric area as buffer layer 6 in order to prevent to spout injury insulating porcelain cover 8 to tie up on the straight rod section 4 of yoke, and simultaneously, because whole frock is when hoist and mount operation, owing to the insulating porcelain cover 8 that corresponds has 1600~3500 mm's height, make this frock equally can be higher than above-mentioned height on ground, for the convenience carry out the frock fast and loosen the operation after insulating porcelain cover 8 hoists to target in place, the fabric area extension is reserved out fabric area flagging end 7 in the outer fringe of buffer layer 6, so that the insulator directly stands on ground and can carry out the operation of loosening of frock through dragging fabric area flagging end 7 after falling to the ground, improve the operation convenience.

In other embodiments, the straight rod section 4 and the clamping part of the yoke arm can also be arranged into a detachable connection structure, so that the above effects can be achieved under the condition of ensuring the connection stability, meanwhile, the detachable structure can be stored and maintained in an aspect, and in a detachable state, the detachable connection mode between the straight rod section 4 and the clamping part of the yoke arm can be one or a combination of concentric insertion, welding, threaded connection and pin connection; in addition, a heat shrinkable tube which is formed more simply can be adopted on the straight rod section 4 of the fork arm to serve as the buffer layer 6, and a linkage structure is arranged on the straight rod section 4 of the fork arm to replace the lower hanging end 7 of the fabric belt to loosen the fork arm.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should also be understood that various alterations, modifications and/or variations can be made to the present invention by those skilled in the art after reading the technical content of the present invention, and all such equivalents fall within the protective scope defined by the claims of the present application.

Claims

1. A porcelain bushing hoisting tool is characterized by comprising a clamping structure, wherein the clamping structure is a crossed arm structure consisting of two fork arms, and the fork arms are oppositely arranged and respectively comprise a straight rod section and a clamping part;

2. The porcelain bushing hoisting tool according to claim 1, wherein the straight rod section and the clamping part of the yoke are formed by bending square steel integrally.

3. The porcelain bushing hoisting tool according to claim 1, wherein the straight rod section and the clamping part of the yoke are in detachable connection structures, and the detachable connection mode is one or a combination of concentric insertion, welding, threaded connection and pin connection.

4. The porcelain bushing hoisting tool according to claim 1, wherein two fork arms are provided with hinged supports at positions corresponding to the lengths of the straight rod sections 1/4-2/5 downwards from the upper end of the straight rod section, and the two fork arms form the cross arm structure through the hinged supports.

5. The porcelain bushing hoisting tool according to claim 1, wherein a heat shrinkable tube is molded on the straight rod section of the yoke as a buffer layer.

6. The porcelain bushing hoisting tool according to claim 1, wherein a fabric tape is bound on the straight rod section of the yoke as a buffer layer, and the fabric tape has a downward end which is pulled outwards.

7. The porcelain bushing hoisting tool according to claim 1, wherein the first bending section and the second bending section of the bending section are integrally of L-shaped structures and are bent inwards at the first bending section to form a clamping structure in cooperation with the arc clamping portion.

8. The porcelain bushing hoisting tool according to claim 7, wherein the first bending portion and the arc clamping portion are kept horizontal during tool hoisting operation.

9. The porcelain bushing hoisting tool according to claim 1, wherein the hooking portion is a hooking hole structure with a U-shaped buckle, and the lifting rope is detached at the hooking portion through the U-shaped buckle.