CN212827969U

CN212827969U - Rail transit sectional insulator

Info

Publication number: CN212827969U
Application number: CN202021305629.4U
Authority: CN
Inventors: 李泽厚; 韩寿南
Original assignee: Guangzhou Ai Aviation Technology Co ltd
Current assignee: Guangzhou Aiwei Aviation Technology Co ltd
Priority date: 2020-07-06
Filing date: 2020-07-06
Publication date: 2021-03-30
Anticipated expiration: 2030-07-06

Abstract

The utility model relates to a segmentation insulator technical field, concretely relates to rail transit segmentation insulator, including the punch holder, go off the production line splint, the correspondence is equipped with the arc wall on the opposite side outer wall of punch holder, the production line splint, and the cable hole is constituteed to the arc wall on the two, and the punch holder, the production line splint connect through connection structure. The utility model has the advantages that: wear into the arc wall with the cable tip, in the arc wall down, rotate the punch holder again, make punch holder and lower coil clamp plate rotate along both articulated departments, and then make the arc wall, the tight cable outer wall of arc wall inner wall clamp down, with the firm centre gripping of cable on punch holder and lower coil clamp plate, set up connection structure, when the screw thread was screwed on at the screw rod through the butterfly nut among the connection structure, the terminal surface of butterfly nut and the surface of stopper supported tightly, support tight in-process, make the taut lower coil clamp plate of screw rod, and then make punch holder and lower coil clamp plate support tightly each other, thereby press from both sides tightly the cable.

Description

Rail transit sectional insulator

Technical Field

The utility model relates to a section insulator technical field, concretely relates to track traffic section insulator.

Background

The sectional insulator is an insulating device adopted when the contact net carries out electric sectioning. Normally, the pantograph slides through with electricity. When a certain contact net section breaks down or power failure occurs due to construction, the isolating switch at the section insulator is opened to cut off the contact net of the section insulator, and other parts can normally supply power. When the two parts of contact net systems supply power respectively, when the power supply of one part of the contact net fails to supply power, the isolating switch can be closed to enable the contact net to use one power supply, so that the reliability and the flexibility of the operation of the contact net are improved.

The wire clamps used on the conventional rail transit sectional insulator are generally two plate-shaped bodies, the end parts of cables at two ends are clamped in wire grooves of the two wire clamps, the two wire clamps are connected by using screws, and the two wire clamps clamp the cables by using the thread screwing force of the screws.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the problem that exists among the prior art, provide a track traffic segmentation insulator, it can realize solving prior art's problem to a certain extent at least.

In order to realize the technical purpose, the technical effect is achieved, the utility model discloses a realize through following technical scheme:

the utility model provides a rail transit segmentation insulator, includes the splint of going up the standard grade and, rather than the articulated splint of going down the standard grade, the correspondence is equipped with the arc wall on the opposite side outer wall of the splint of going up the standard grade, the arc wall one-to-one on both makes the splint of going up the standard grade, the splint of going down the standard grade rotate the back along articulated department, on both the arc wall can constitute one with outside cable appearance adaptation, and the cable hole of wearing that the cable passed, arc wall on the splint of going up the standard grade, the splint of going down the standard grade is defined as arc wall, lower arc wall respectively, the splint of going up the standard grade, the splint of going down the standard grade connect through connection structure, make both opposite side.

As a further optimization of the technical scheme, a plurality of convex ribs matched with the inner wall profiles of the upper arc-shaped groove and the lower arc-shaped groove are arranged on the inner walls of the upper arc-shaped groove and the lower arc-shaped groove, and the convex ribs are used for increasing the friction force between the surface of the external cable and the cable through hole.

As above technical scheme's further optimization, the splint one end of going up the standard grade is equipped with the first bulge that extends to its outside, the pivot is worn to be equipped with by the first bulge upper level, be equipped with the second bulge on the splint of going down the standard grade, be equipped with the through-hole that supplies the pivot sliding fit to wear out on the second bulge, make first bulge articulates on the second bulge.

As above technical scheme's further optimization, connection structure keeps away from its free bearing with the articulated department one end of line splint including locating down the line splint, it has the loose ring to articulate on the free bearing, the screw rod has set firmly on the loose ring, be equipped with on the line splint with the stopper, set up on the stopper and supply the screw rod to keep away from the draw-in groove that free passing through of free bearing one end rotation can, the screw rod is worn out draw-in groove one end screw thread cover and is equipped with butterfly nut, butterfly nut terminal surface offsets with the stopper surface.

As a further optimization of the technical scheme, the upper line clamping plate and the lower line clamping plate are both made of brass.

The utility model has the advantages that: the cable end is penetrated into the upper arc-shaped groove and the lower arc-shaped groove, the upper line clamping plate is rotated, the upper line clamping plate and the lower line clamping plate are rotated along the hinged position of the upper line clamping plate and the lower line clamping plate, the upper arc-shaped groove is further made, the inner wall of the lower arc-shaped groove clamps the outer wall of the cable, the cable is firmly clamped on the upper line clamping plate and the lower line clamping plate, the connecting structure is arranged, a butterfly nut in the connecting structure is screwed on a screw rod, the end face of the butterfly nut is tightly abutted to the surface of a limiting block, the lower line clamping plate is tightly abutted to the screw rod, the upper line clamping plate and the lower line clamping plate can be tightly abutted to each other, the cable is clamped tightly, the convex edge is arranged, the friction force of the inner wall.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic top view of the three-dimensional structure of FIG. 1;

FIG. 3 is a schematic front view of the three-dimensional structure of FIG. 1;

FIG. 4 is a schematic side view of the three-dimensional structure of FIG. 1;

the reference numerals are explained below:

1-lower arc groove, 2-convex rib, 3-lower line splint, 4-pivot, 5-upper arc groove, 6-first bulge, 7-second bulge, 8-upper line splint, 9-screw, 10-butterfly nut, 11-limiting block, 12-clamping groove, 13-movable ring and 14-hinged support.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, fig. 1-4 show a rail transit sectional insulator, which includes an upper line clamp plate 8 and a lower line clamp plate 3 hinged thereto, wherein the upper line clamp plate 8 and the lower line clamp plate 3 are both made of brass, specifically, one end of the upper line clamp plate 8 is provided with a first protrusion 6 extending to the outside thereof, the first protrusion 6 horizontally penetrates a pivot 4, the lower line clamp plate 3 is provided with a second protrusion 7, the second protrusion 7 is provided with a through hole for the pivot 4 to pass through in a sliding manner, so that the first protrusion 6 is hinged to the second protrusion 7, the outer walls of the opposite sides of the upper line clamp plate 8 and the lower line clamp plate 3 are correspondingly provided with arc-shaped grooves, the arc-shaped grooves on the two correspond one to one, and after the upper line clamp plate 8 and the lower line clamp plate 3 rotate along the hinged portion, the arc-shaped grooves on the two can form a shape matched with the external cable, And supply cable to pass through the cable hole, the arc wall on the splint 8, the splint 3 that rolls off the production line of going up is defined as last arc wall 5, lower arc wall 1 respectively, splint 8, the splint 3 that rolls off the production line of going up connect through connection structure, make both opposite side outer walls counterbalance tightly, connection structure keeps away from its free hinge 14 with the articulated one end of the splint 8 that rolls on the production line including locating down the splint 3, it has loose collar 13 to articulate on the hinge 14, set firmly screw rod 9 on the loose collar 13, it is equipped with stopper 11 on the splint 8 to go up the production line, set up on the stopper 11 and supply screw rod 9 to keep away from the draw-in groove 12 that the free pass through of hinge 14 one end rotation energy, the screw rod 9 is worn out draw-in groove 12 one end screw thread cover and is equipped with butterfly.

The inner walls of the upper arc-shaped groove 6 and the lower arc-shaped groove 1 are provided with a plurality of convex edges 2 matched with the inner wall profiles of the upper arc-shaped groove and the lower arc-shaped groove, and the convex edges 2 are used for increasing the friction force between the surface of an external cable and the cable penetrating hole.

The utility model discloses when using: the cable is threaded into the upper arc-shaped groove and the lower arc-shaped groove, the upper line clamping plate is rotated again, the opposite surface of the upper line clamping plate is abutted against the opposite surface of the lower line clamping plate, the screw rod is rotated again, one end of the screw rod, which is far away from the hinged support, is rotated into the clamping groove of the limiting block, the butterfly nut is rotated again, the end face of the butterfly nut abuts against the limiting block tightly, and in the abutting process, the butterfly nut has a pulling force on the screw rod, so that the screw rod has a pulling force on the lower line clamping plate, the upper line clamping plate is fixedly connected with the lower line clamping plate, the inner wall of the upper arc-shaped groove and the inner wall of.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a track traffic segmentation insulator, its characterized in that, including last punch holder board (8) and, rather than articulated punch holder board (3) down, the correspondence is equipped with the arc wall on the opposite side outer wall of punch holder board (8), punch holder board (3) down, and the arc wall one-to-one on both makes go up punch holder board (8), punch holder board (3) down rotate the back along articulated department, on both the arc wall can constitute one with outside cable appearance adaptation, and supply the cable hole of wearing that the cable passed, the arc wall on punch holder board (8), punch holder board (3) down is defined as arc wall (5), arc wall (1) down respectively, punch holder board (8), punch holder board (3) down connect through connection structure, make both opposite side outer walls offset tightly.

2. The rail transit sectional insulator as claimed in claim 1, wherein the inner walls of the upper arc-shaped groove (5) and the lower arc-shaped groove (1) are provided with a plurality of convex ribs (2) matched with the inner wall profiles of the upper arc-shaped groove and the lower arc-shaped groove, and the convex ribs (2) are used for increasing the friction force between the outer cable surface and the cable penetrating hole.

3. The rail transit sectional insulator as claimed in claim 1, wherein one end of the upper line clamping plate (8) is provided with a first protruding portion (6) extending towards the outer side of the upper line clamping plate, a pivot (4) horizontally penetrates through the first protruding portion (6), a second protruding portion (7) is arranged on the lower line clamping plate (3), a through hole for the pivot (4) to penetrate out in a sliding fit manner is formed in the second protruding portion (7), and the first protruding portion (6) is hinged to the second protruding portion (7).

4. The rail transit sectional insulator is characterized in that the connecting structure comprises a hinged support (14) which is arranged at one end, away from the hinged position of the lower line clamping plate (3) and the upper line clamping plate (8), of the lower line clamping plate, a movable ring (13) is hinged to the hinged support (14), a screw rod (9) is fixedly arranged on the movable ring (13), a limiting block (11) is arranged on the upper line clamping plate (8), a clamping groove (12) which is used for enabling one end, away from the hinged support (14), of the screw rod (9) to rotate and freely pass through is formed in the limiting block (11), a butterfly nut (10) is sleeved at one end, penetrating out of the clamping groove (12), of the screw rod (9), of the butterfly nut (10), and the surface of the butterfly nut (10) is abutted against the.

5. The rail transit section insulator of claim 1, wherein the upper line clamping plate (8) and the lower line clamping plate (3) are made of brass.