CN204441117U

CN204441117U - Extension type insulating bar

Info

Publication number: CN204441117U
Application number: CN201520150379.4U
Authority: CN
Inventors: 刘佳佟; 杨帆; 于光远; 倪亚超
Original assignee: State Grid Corp of China SGCC; Jihe Power Supply Co of State Grid Shandong Electric Power Co Ltd
Current assignee: State Grid Corp of China SGCC; Jihe Power Supply Co of State Grid Shandong Electric Power Co Ltd
Priority date: 2015-03-17
Filing date: 2015-03-17
Publication date: 2015-07-01
Anticipated expiration: 2025-03-17

Abstract

The utility model provides a kind of extension type insulating bar, by the first tapering insulating bar, the second tapering insulating bar ... N tapering insulating bar, altogether N saves isometric tapering insulating bar and is set with successively and forms; The cylindrical body of rod that described tapering insulating bar is endoporus, cylindrical has identical tapering, between each pitch cone degree insulating bar, there is following size relationship: the large end outside diameter of the first tapering insulating bar is slightly larger than the small end diameter of bore of the second tapering insulating bar, the large end outside diameter of the second tapering insulating bar is slightly larger than the small end diameter of bore of the 3rd pitch cone degree insulating bar, by that analogy, the large end outside diameter of N-1 pitch cone degree insulating bar is slightly larger than the small end diameter of bore of N pitch cone degree insulating bar; Wherein N is greater than 1 and the positive integer be less than.

Description

Extension type insulating bar

Technical field

at present, common insulating bar is the single bar that length is fixed or the splicing bar be formed by connecting by internal and external threads by many bars.No matter be that single bar or splicing bar are because not flexible is to carry and use is made troubles.

Background technology

Insulating bar of the prior art is generally made up of single bar, or is threaded connection by many insulating bars and forms, and uses and carries all inconvenient.As used, the transformer of insulating bar to eminence breaks, power transmission process time, single insulating bar often length is inadequate, use and be threaded connection into longer insulating bar by many insulating bars, although the problem of single insulating bar curtailment can be solved, the assembling of insulating bar and carry all cumbersome.

Utility model content

The shortcoming of prior art in view of the above, the purpose of this utility model is to provide a kind of extension type insulating bar, for solving the problems referred to above in prior art.

For achieving the above object and other relevant objects, the utility model provides a kind of extension type insulating bar, the utility model solves technical scheme that its technical problem adopts: extension type insulating bar described in the utility model by the first tapering insulating bar, the second tapering insulating bar ..., and N tapering insulating bar, altogether N saves isometric tapering insulating bar and is nested to form in turn, wherein N be greater than 1 and be less than 12 positive integer;

The cylindrical body of rod that described tapering insulating bar is endoporus, cylindrical has identical tapering, wherein, the large end outside diameter of M-1 pitch cone degree insulating bar is slightly larger than the small end diameter of bore of M pitch cone degree insulating bar ,wherein M is the positive integer of N-1>=M>=1.

Preferably, the large end outside diameter of M tapering insulating bar equals the diameter of bore that M+1 tapering insulating bar is 1/20L to 1/15L place apart from small end, and wherein, M is the positive integer of N-1 >=M >=1, and L is the length of M+1 tapering insulating bar.

Preferably, the length L of described tapering insulating bar is 800 millimeters to 1000 millimeters.

Preferably, described each tapering insulating bar cylindrical, hole taper are 1:500 to 1:200.The self-locking property of tapering can be ensured, be unlikely to again the outside diameter and the end diameter over-widened gap that make insulating bar, be conducive to saving material.

As mentioned above, extension type insulating bar of the present utility model, forms by more piece tapering insulating bar is nested in turn, during use, the length pulling out tapering insulating bar can be determined as required, finish using and each pitch cone degree insulating bar can be pushed back successively, contracting be converted into shorter length, use, carry very convenient.

Accompanying drawing explanation

Fig. 1 is extension type insulating bar structural representation of the present utility model.

In figure: 1 be M tapering insulating bar, 2 is the first tapering insulating bar.

Embodiment

Below by way of specific instantiation, embodiments of the present invention are described, those skilled in the art the content disclosed by this specification can understand other advantages of the present invention and effect easily.The present invention can also be implemented or be applied by embodiments different in addition, and the every details in this specification also can based on different viewpoints and application, carries out various modification or change not deviating under spirit of the present invention.It should be noted that, when not conflicting, the feature in following examples and embodiment can combine mutually.

It should be noted that, the diagram provided in following examples only illustrates basic conception of the present invention in a schematic way, then only the assembly relevant with the present invention is shown in graphic but not component count, shape and size when implementing according to reality is drawn, it is actual when implementing, and the kenel of each assembly, quantity and ratio can be a kind of change arbitrarily, and its assembly layout kenel also may be more complicated.

Refer to Fig. 1, the utility model provides a kind of extension type insulating bar, by the first tapering insulating bar 2, second tapering insulating bar ..., and N tapering insulating bar, N saves isometric tapering insulating bar and is set with successively and forms altogether; The cylindrical body of rod that tapering insulating bar is endoporus, cylindrical has identical tapering, between each pitch cone degree insulating bar, there is following size relationship: the large end outside diameter of the first tapering insulating bar 2 is slightly larger than the small end diameter of bore of the second tapering insulating bar, the large end outside diameter of the second tapering insulating bar is slightly larger than the small end diameter of bore of the 3rd pitch cone degree insulating bar, by that analogy, the large end outside diameter of N-1 pitch cone degree insulating bar is slightly larger than the small end diameter of bore of N pitch cone degree insulating bar; Wherein N be greater than 1 and be less than 12 positive integer.Any pitch cone degree insulating bar i.e. large end outside diameter of M tapering insulating bar 1 equals the diameter of bore at M+1 tapering insulating bar A place; Wherein, M is the positive integer of N-1 >=M >=1; The position at A place is being located apart from M+1 tapering insulating bar small end 1/20L to 1/15L, and L is the length of single tapering insulating bar, and wherein, the length L of single tapering insulating bar is 1000 millimeters.Tapering insulating bar cylindrical, hole taper are 1:200.

During use, by the first tapering insulating bar, the second tapering insulating bar ..., N tapering insulating bar pulls out successively; Finish using and each pitch cone degree insulating bar pushed back successively.When such as using the transformer of insulating bar to eminence to forfeit electric treatment, determine the joint number of pull-out tapering insulating bar as required, plug-in strip is disconnected or connected (if desired can at the end of the first tapering insulating bar installment work parts removably, such as with the hook that is threaded), finish using and more each pitch cone degree insulating bar is pushed back successively.

Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not for limiting the present invention.Any person skilled in the art scholar all without prejudice under spirit of the present invention and category, can modify above-described embodiment or changes.Therefore, such as have in art usually know the knowledgeable do not depart from complete under disclosed spirit and technological thought all equivalence modify or change, must be contained by claim of the present invention.

Claims

1. an extension type insulating bar, it is characterized in that, described extension type insulating bar by the first tapering insulating bar, the second tapering insulating bar ..., and N tapering insulating bar, N saves isometric tapering insulating bar and is nested to form in turn altogether, wherein N be greater than 1 and be less than 12 positive integer;

The cylindrical body of rod that described tapering insulating bar is endoporus, cylindrical has identical tapering, wherein, the large end outside diameter of M pitch cone degree insulating bar is slightly larger than the small end diameter of bore of M+1 pitch cone degree insulating bar ,wherein M is the positive integer of N-1>=M>=1.

2. extension type insulating bar according to claim 1, is characterized in that, the large end outside diameter of M tapering insulating bar equals the diameter of bore of M+1 tapering insulating bar apart from small end 1/20L to 1/15L place, and wherein, L is the length of M+1 tapering insulating bar.

3. extension type insulating bar according to claim 1, is characterized in that, the length L of described tapering insulating bar is 800 millimeters to 1000 millimeters.

4. extension type insulating bar according to claim 1, is characterized in that, described first tapering insulating bar, the second tapering insulating bar ... 1:500 to 1:200 is with the cylindrical of N tapering insulating bar, the tapering of endoporus.