CN204296485U

CN204296485U - Railway contact line bearing wire clip body

Info

Publication number: CN204296485U
Application number: CN201420666239.8U
Authority: CN
Inventors: 顾良
Original assignee: CHONGQING ZHONGCHENG PRECISION DIE FORGING Co Ltd
Current assignee: CHONGQING ZHONGCHENG PRECISION DIE FORGING Co Ltd
Priority date: 2014-11-10
Filing date: 2014-11-10
Publication date: 2015-04-29
Anticipated expiration: 2024-11-10

Abstract

The utility model discloses a kind of railway contact line bearing wire clip body, the integrated forging part of described body, die forging one-shot forming; On body, axis is provided with left stage body and right stage body, be inner groovy between left stage body and right stage body, inner groovy is arc-shaped.The utility model railway contact line axis in bearing wire clip body transversely hole, arranges two stage bodies, between two stage bodies, arrange inner groovy, inner groovy mates with the external diameter of transverse holes, is adding man-hour, just there is no cutting output in inner groovy region, decrease processing capacity, improve working (machining) efficiency; Do not have cutting output in inner groovy region, just there is not the situation of unbalance stress in drill bit, can not be monolateral stressed in this region, effectively prevents drill bit from being fractureed because of unbalance stress, extend the service life of drill bit.On the blank of forging molding, decrease metal material consumption.

Description

Railway contact line bearing wire clip body

Technical field

The utility model relates to a kind of appurtenances of railway line contact net supporting seat, especially railway contact line bearing wire clip body.

Background technology

Railway contact line bearing wire clip body, as the vitals of railway line contact net, has important effect in guarantee train safe traveling.Along with the raising of railway speed, present train speed per hour reaches 250 ~ 350h/km, certainly also have higher rate request from now on, therefore the railway line contact net concussion frequency also strengthens thereupon, proposes higher performance requirement to associated components such as contact net, contact net supporting seats.

Railway contact line bearing wire clip body adopts forging molding mode to make blank, then by machined, blank is drilled with the hole of a transverse direction; But on the blank of forging molding, at the axis direction in the hole of transverse direction, its thickness is uneven, centre is a plane, and it is highly lower than the height of processing metapore, close to the height of the center line in this hole; This plane is once shaping on the blank of forging molding, and its main deficiency has following 2 points: 1, when machined, make cutter unbalance stress, and be monolateral stressed substantially, drill bit easily fractures; 2, this plane, adds processing capacity, reduces working (machining) efficiency; 3, during forging and stamping, consume the metal of some more.

Summary of the invention

For prior art above shortcomings, the purpose of this utility model is to provide a kind of die forging railway contact line bearing wire clip body reducing processing capacity, improve working (machining) efficiency, prevent cutter from fractureing because of unbalance stress.

The technical solution of the utility model is as follows: railway contact line bearing wire clip body, comprises body, it is characterized in that: the integrated forging part of described body, die forging one-shot forming; On body, axis is provided with left stage body and right stage body, be inner groovy between left stage body and right stage body, inner groovy is arc-shaped.Between left stage body and right stage body, be provided with circular hole, left stage body and right stage body are arranged around the axisymmetrical of circular hole.

Relative to prior art, the utility model railway contact line bearing wire clip body tool has the following advantages:

1, the axis in transversely hole, arrange two stage bodies, between two stage bodies, arrange inner groovy, inner groovy mates with the external diameter of transverse holes, is adding man-hour, does not just have cutting output, decreases processing capacity, improve working (machining) efficiency in inner groovy region.

2, do not have cutting output in inner groovy region, just there is not the situation of unbalance stress in drill bit, can not be monolateral stressed in this region, effectively prevents drill bit from being fractureed because of unbalance stress, extend the service life of drill bit.

3, on the blank of forging molding, metal material consumption is decreased.

Accompanying drawing explanation

Fig. 1 is the front view of the utility model support wire clamp;

Fig. 2 is the top view of Fig. 1;

Fig. 3 is the left view in Fig. 1;

Fig. 4 is that Fig. 2 is along A-A to sectional view;

Fig. 5 is that Fig. 2 is along B-B to sectional view;

Fig. 6 is that Fig. 2 is along C-C to sectional view.

Detailed description of the invention

Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.

As shown in figures 1 to 6, a kind of railway contact line bearing wire clip body, comprises body 1, the integrated forging part of described body 1, die forging one-shot forming; On body 1, axis being provided with left stage body 2 and right stage body 3, is inner groovy 4 between left stage body 2 and right stage body 3, and inner groovy 4 is in arc-shaped.Between left stage body 2 and right stage body 3, be provided with circular hole 8, left stage body 2 and right stage body 3 are arranged around the axisymmetrical of circular hole 8.

Body 1 is after die-forging forming, and need processing hole, the hole 5 as shown in Fig. 4 dotted line, is obtained by machined, cuts left stage body 2 and right stage body 3 along axis, adopts drill bit processing to obtain hole 5; Inner groovy 4 is in arc-shaped, and its arc radius is equal with hole 5 to be processed, and drill bit adds man-hour in inner groovy 4 region, does not just have machining amount, decreases processing capacity, improve working (machining) efficiency; And owing to not having cutting output, drill bit does not just exist the situation of unbalance stress in this region, can not be monolateral stressed, effectively prevent drill bit from being fractureed because of unbalance stress, extend the service life of drill bit.

What finally illustrate is; above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted; although be described in detail the utility model with reference to preferred embodiment; those of ordinary skill in the art should be appreciated that and all should to fall among the claimed scope of the utility model for the replacement/amendment not departing from technical solutions of the utility model.

Claims

1. railway contact line bearing wire clip body, comprises body (1), it is characterized in that: described body (1) integrated forging part, die forging one-shot forming; On body (1), axis is provided with left stage body (2) and right stage body (3), be inner groovy (4) between left stage body (2) and right stage body (3), inner groovy (4) is in arc-shaped; Between left stage body (2) and right stage body (3), be provided with circular hole (8), left stage body (2) and right stage body (3) are arranged around the axisymmetrical of circular hole (8).