CN202663030U

CN202663030U - Telescopic insulation rod

Info

Publication number: CN202663030U
Application number: CN 201220362106
Authority: CN
Inventors: 于兴利
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-07-25
Filing date: 2012-07-25
Publication date: 2013-01-09
Anticipated expiration: 2022-07-25

Abstract

The utility model discloses a telescopic insulation rod, in order to overcome the defects that in the prior art, an insulation rod is used for the operation of high-voltage lines at different heights, a bolt and a nut are utilized for being connected with multiple rods so as to be adaptive to the height of the high-voltage lines, a joint of the rod is inconvenient to be screwed on and off, and the working efficiency is low. The telescopic insulation rod comprises an insulation sleeve at the outer layer and an insulation inner pipe at the inner layer; the inner pipe and the outer pipe are overlapped, sleeved and connected, and can be slidingly matched mutually for regulating the length; one end of an inner hole of the insulation inner pipe is vertical to and crossed with the central line of the insulation inner pipe; an elastic positioning column is installed; the pipe wall of the insulation sleeve is provided with a positioning cross hole which can cause the end head of the positioning column to be inserted correspondingly; when the insulation inner pipe is pulled outward or pushed inward, the end head of the positioning column can slide into the positioning cross hole, thus the length of the insulation rod is lengthened or shortened to be positioned; multiple insulation pipes are overlapped sequentially, which can meet the usage requirement of high-voltage wires at the height of 8-9m, and the bolt and the nut are not required to be screwed, the working efficiency is high, and the operation is convenient.

Description

The extension type insulating bar

Technical field

The utility model belongs to insulating bar, specifically a kind of telescopic insulating bar that elongates or shorten.

Background technology

Live line working on the high-tension line be unable to do without insulating bar, if in the height operation below 2.5 meters, uses general single-unit bar just much of that.High again, will increase joint number.Insulating bar is used in operation on the high-tension line of differing heights, and the existing mode that increases insulating bar length generally is to couple together with bolt, nut between each joint insulating bar.If the joint number that aforesaid way connects is many, adjustment length is screwed on every joint insulating bar to back out and is affected operating efficiency, uses very inconvenient.

Summary of the invention

Technical problem to be solved in the utility model is, overcome prior art operation on the high-tension line of differing heights and use insulating bar, connect the height that Multi section bar adapts to high-voltage line with bolt, nut, bolt, the nut of joint screwed on back out inconvenience, shortcoming that work efficiency is low, a kind of extension type insulating bar is provided.

The problems referred to above that exist in order to solve prior art, the utility model is to adopt following technical proposals to realize: insulating bar comprises the insulating inner tube of outer field insulating sleeve and internal layer, insulating inner tube is connected nestable with insulating sleeve and is connected, can transfer being slidingly matched of length each other, endoporus one end at insulating inner tube, with the square crossing of insulating inner tube center line, two ends is installed exposes the elastic force reference column of cross-drilled hole on the insulating inner tube tube wall, on the tube wall of insulating sleeve, be provided with the corresponding location cross-drilled hole that inserts in the termination that can make described reference column.

The utility model also has following technical characterictic:

Described insulating sleeve is connected the adjacent tube wall of mutually nestable connection with insulating inner tube on, is provided with when distance between two pipes and transfers when long the mutually step of the company of extension;

Described location cross-drilled hole, described location cross-drilled hole is for mutually keeping the many to the hole of a determining deviation on the tube wall of insulating sleeve;

The installation of described elastic force reference column, in the endoporus of insulating inner tube one end, be installed with hollow inner sleeve perpendicular to hole wall, Compress Spring is installed in the centre bore of hollow inner sleeve, the two ends that are positioned at Compress Spring in the hollow inner sleeve are equipped with reference column, the external end head of reference column passes the cross-drilled hole on the insulating inner tube tube wall, and can expose the location cross-drilled hole on the insulating sleeve;

Described reference column, the telescopic head that tightly is inserted on the telescoping tube outer end of hole head by the stainless steel telescoping tube that is installed in hollow inner sleeve centre bore two ends and an end forms, telescoping tube can slide in the inner sleeve centre bore, the telescopic head of its termination can insert the location cross-drilled hole on the described insulating sleeve tube wall, and the two ends of Compress Spring is sitting on the interior step of telescoping tube endoporus;

On the outer tube wall of described insulating inner tube and insulating sleeve, be carved with respectively length scales.

Advantage of the present utility model and good effect are, because insulating bar comprises from bottom to top inside and outside nestable, insulating sleeve and insulating inner tube that interformational sliding cooperates from coarse to fine, the reference column that is supported by Compress Spring is installed on its insulating inner tube, reference column can insert in the location cross-drilled hole that is enclosed within on the outer insulating sleeve of insulating inner tube, when outside drawing insulating inner tube, the termination of reference column will slide into from a pair of location cross-drilled hole on the insulating sleeve another in the cross-drilled hole of location under the effect of Compress Spring, makes length elongation and the location of insulating bar; Otherwise, inwardly promoting insulating inner tube, the length of insulating bar can shorten, thereby regulates the length of insulating bar, adapts to the differing heights of high-voltage line.The length of adjustment insulating bar is screwed on without bolt, nut and is backed out connection, as long as touch or draw with have gentle hands, adjusts the used time short, high efficiency, and operation and carrying are all very convenient during use; The thickness of above-mentioned extension type insulating bar is successively decreased from bottom to top successively, has alleviated the operating weight of whole bar.

Description of drawings

Fig. 1 is that the master of a kind of operating state of the utility model looks schematic diagram;

Fig. 2 is that the master of the another kind of operating state of the utility model looks schematic diagram;

Fig. 3 is the A section cutaway view Amplified image among Fig. 1.

Embodiment

The utility model is described in further detail below in conjunction with drawings and Examples.

Among Fig. 1, the body of rod of insulating bar is comprised of the insulating inner tube 3 of outer field insulating sleeve 2 and internal layer, nestable and connection inside and outside insulating inner tube 3 is connected with insulating sleeve, can transfer being slidingly matched of length each other, endoporus one end at insulating inner tube 3, with insulating inner tube 3 center line square crossings, be equipped with by Compress Spring 9 ejections, two ends and can expose the elastic force reference column 5(of cross-drilled hole on insulating inner tube 3 tube walls referring to Fig. 3), be enclosed within on the tube wall of the joint insulating sleeve 2 outside the insulating inner tube 3, be provided with the termination that can make described reference column 5 and insert the location cross-drilled hole 7 of location.Use for convenient, the stifled 1(of plug is installed referring to Fig. 2 in the termination of next joint insulating sleeve 2 at insulating bar).

The insulating inner tube 3 of the nestable connection of ectonexine and insulating sleeve 2, the pipe of outside one joint is as overlapping the insulating sleeve 2 of pipe inside, and a pipe joint of the inside is insulating inner tube 3; Simultaneously, the insulating inner tube 3 of a upper joint again as the insulating sleeve 2 of next joint, can continue like this more piece and connect.When regulating length, the pipe of nestable connection is all pulled open, join end to end between the tube and tube, pin the location by reference column 5 therebetween.

In order to prevent after the pipe of nestable connection all pulls open, discrepancy occurs between described insulating inner tube 3 and the insulating sleeve 2, manage on the nestable adjacent tube wall above-mentioned two, be respectively equipped with when pulling open when elongation between insulating inner tube 3 and the insulating sleeve 2, the interlayer of two pipe ends mutually the step 3.1 of the company of extension and step 2.1(referring to Fig. 3).

In order to make the flexible adjustable range of insulating bar wider, described location cross-drilled hole 7, for on the tube wall of insulating sleeve 2, mutually keep a determining deviation, can be corresponding with described reference column 5 many to the hole, at this moment, can insert according to reference column 5 position of location cross-drilled hole 7 on insulating sleeve 2 tube walls, come the length of further intense adjustment insulating bar at the insulated tube of a joint.

Among Fig. 3, the installation of described elastic force reference column 5, in the endoporus of insulating inner tube 3 one ends, fixedly mount the hollow inner sleeve 8 that useful insulating material is made perpendicular to hole wall, Compress Spring 9 is installed in the inner sleeve centre bore 8.1 of hollow inner sleeve 8, inner sleeve centre bore 8.1 two ends interior, that be positioned at Compress Spring 9 of hollow inner sleeve 8 are equipped with reference column 5, and the external end head of reference column 5 passes the cross-drilled hole on insulating inner tube 3 tube walls, and can expose the location cross-drilled hole 7 on the insulating sleeve 2.

In order to make insulating bar under the prerequisite that guarantees insulation, its parts are wear-resisting and slide flexible, described reference column 5 is by inner sleeve centre bore 8.1 two ends that are installed in hollow inner sleeve 8, telescoping tube 5.1 and an end tight fit by the stainless steel material manufacturing are inserted in telescoping tube 5.1 outer end of hole heads, telescopic head 5.2 by the insulating material manufacturing forms, telescoping tube 5.1 can be in inner sleeve centre bore 8.1 interior flexible slip and long service life, the telescopic head 5.2 that its external end head is installed can insert the location cross-drilled hole 7 on described insulating sleeve 2 tube walls, the two ends of Compress Spring 9 is sitting on the interior step of telescoping tube 5.1 endoporus, like this, Compress Spring 9 can make whole reference column 5 inner sleeve centre bore 8.1 to two ends flexible telescopic slide, be to change the insulating bar location after the length.

In order to grasp better the adjusting length of insulating bar, on the outer tube wall of described insulating inner tube 3 and insulating sleeve 2, be carved with respectively the scale 4 of expression length.

When using insulating bar, outside drawing insulating inner tube 3, under the effect of Compress Spring 9, the telescopic head 5.2 of reference column 5 terminations will slide into from a pair of location cross-drilled hole 7 on the insulating sleeve 2 another in the cross-drilled hole 7 of location, the length of insulating bar is lengthened, if have manyly to across a certain distance location cross-drilled hole 7 mutually at insulating sleeve 2, can also carry out more accurately length adjustment; Otherwise, inwardly promoting insulating inner tube 3, the length of insulating bar can shorten (referring to Fig. 2), thereby regulates the length of insulating bar, adapts to the differing heights of high-voltage line.With the insulating bar after the more piece successively nestable insulated tube pull, can satisfy the position operation of 8-9 meters of operating personnel's Distance High Voltage Electricity Transfers and use.

Claims

1. extension type insulating bar, it is characterized in that: insulating bar comprises the insulating inner tube of outer field insulating sleeve and internal layer, insulating inner tube is connected nestable with insulating sleeve and is connected, can transfer being slidingly matched of length each other, at endoporus one end of insulating inner tube, with the square crossing of insulating inner tube center line, the elastic force reference column that two ends can be exposed cross-drilled hole on the insulating inner tube tube wall is installed, on the tube wall of insulating sleeve, be provided with the corresponding location cross-drilled hole that inserts in the termination that can make described reference column.

2. extension type insulating bar as claimed in claim 1 is characterized in that: described insulating sleeve is connected the adjacent tube wall of mutually nestable connection with insulating inner tube on, is provided with when distance between two pipes and transfers when long the mutually step of the company of extension.

3. extension type insulating bar as claimed in claim 1 is characterized in that: described location cross-drilled hole, and on the tube wall of insulating sleeve, mutually keeping the many to the hole of a determining deviation.

4. extension type insulating bar as claimed in claim 1, it is characterized in that: the installation of described elastic force reference column, in the endoporus of insulating inner tube one end, be installed with hollow inner sleeve perpendicular to hole wall, Compress Spring is installed in the centre bore of hollow inner sleeve, the two ends that are positioned at Compress Spring in the hollow inner sleeve are equipped with reference column, and the external end head of reference column passes the cross-drilled hole on the insulating inner tube tube wall, and can expose the location cross-drilled hole on the insulating sleeve.

5. such as claim 1 or 4 described extension type insulating bars, it is characterized in that: described reference column, the telescopic head that tightly is inserted on the telescoping tube outer end of hole head by the stainless steel telescoping tube that is installed in hollow inner sleeve centre bore two ends and an end forms, telescoping tube can slide in the inner sleeve centre bore, the telescopic head of its termination can insert the location cross-drilled hole on the described insulating sleeve tube wall, and the two ends of Compress Spring is sitting on the interior step of telescoping tube endoporus.

6. extension type insulating bar as claimed in claim 1 or 2 is characterized in that: on the outer tube wall of described insulating sleeve and insulating inner tube, be carved with respectively length scales.