CN202614510U

CN202614510U - Function detecting device for height valve of multiple units

Info

Publication number: CN202614510U
Application number: CN 201220147170
Authority: CN
Inventors: 刘芳铭
Original assignee: Changchun Railway Vehicles Co Ltd
Current assignee: CRRC Changchun Railway Vehicles Co Ltd
Priority date: 2012-04-10
Filing date: 2012-04-10
Publication date: 2012-12-19
Anticipated expiration: 2022-04-10

Abstract

The utility model relates to a function detecting device for a height valve of multiple units, which comprises an air supply pipeline, a height valve and an air spring. The function detecting device is characterized in that a pressure detecting port of the air spring is connected with a pressure gauge, a three-way pipeline valve, and a joint by a tee joint. According to the utility model, air charging and discharging of the air spring are realized by using the valve, the pressure gauge and the joint together at the pressure detecting port of the air spring so as to drive a train body to rise up and down, realize operations of the height valve, and check functions of the height valve. A valve rod of the height valve needs not to be disassembled, thereby preventing a screw rod fixing the valve rod from being broken off by frequently disassembling. The function detecting device is simple in operation and saves the production cost.

Description

EMUs altitude valve function detection device

Technical field

The utility model belongs to vehicle testing and measuring technology technical field, relates to a kind of EMU altitude valve function detection device.

Background technology

In CRH5 EMUs, steady in order to make vehicle operating, AIRMATIC Dual Control is installed on bogie, altitude valve is according to different inflation and the exhausts that drive both sides air spring of vehicle both sides height in the system.Original technology adopts pulls down and moves up and down the altitude valve valve rod, and detects the function that relevant pressure is checked altitude valve through tensimeter, complicated operation, and, increase manufacturing cost because frequent dismounting causes the fixing screw rod of valve rod to fracture.

The utility model content

The utility model technical matters to be solved provides and a kind ofly need not to dismantle the height valve rod and can accomplish the device to the altitude valve Function detection, has avoided frequent dismounting to cause the fixing screw rod of valve rod to fracture, and is easy and simple to handle, reduces manufacturing cost.

For solving the problems of the technologies described above; The utility model provides a kind of EMUs altitude valve function detection device; Comprise air-supply pipeline, altitude valve, air spring, it is characterized in that: connect tensimeter, triplate line valve and joint through threeway at air spring pressure detection mouth place.

The utility model is realized the inflation of air spring and exhaust through be used valve, tensimeter, joint at air spring pressure detection mouth place, drives the rise and fall of car body, realizes the action of altitude valve, thus the function of checking altitude valve.Need not to dismantle the altitude valve valve rod, avoided frequent dismounting to cause the fixing screw rod of valve rod to fracture, easy and simple to handle, practice thrift manufacturing cost.

Description of drawings

Fig. 1 is the structural representation of the utility model.

Embodiment

Referring to Fig. 1, the utility model comprises air-supply pipeline 2 and valve 1, altitude valve 9, height valve rod 10 and altitude valve operating rod 11, air spring 12, at air spring pressure detection mouth 8 places through threeway 5 connection tensimeter 4 one valves 26 and joints 7.

The course of work:

1, pressurized air is provided for air-supply pipeline 2, opens valve 1, valve 26 is in disconnect position, treats that air spring 12 compressed airs are stable;

2, cut-out cock 1; Open valve 26; Air spring 12 compressed airs that are installed on the bogie 13 are discharged through joint 7; Car body 1 discharges with air spring air, drives the altitude valve that is installed on the car body and moves down, and angle is spent less than 90 between the height valve rod 10 that makes altitude valve 9 and the altitude valve operating rod 11;

3, cut-out cock 26; Open valve 1, altitude valve is given the inflation of air spring, through tensimeter 4 monitoring air springs 12 pressure; The lasting rising of pressure angle between height valve rod 10 and altitude valve operating rod 11 equals 90 degree and stops inflation, and explain that the altitude valve aerification function is normal this moment;

4, cut-out cock 1, and joint 7 is connected with the workshop wind regime, opens valve 26, shows that through tensimeter 4 air spring 12 pressure rise, and car body 1 rises, and angle is greater than 90 degree between the height valve rod 10 of drive altitude valve 9 and the altitude valve operating rod 11;

5, cut-out cock 26, and altitude valve continues exhaust discharges air spring 12 air, and angle equals 90 and spends and stop between height valve rod 10 and altitude valve operating rod 11, checks that through tensimeter air spring 12 pressure no longer descend, and explain that the altitude valve degassing function is normal.

Claims

1. an EMUs altitude valve function detection device comprises air-supply pipeline, altitude valve, air spring, it is characterized in that: connect tensimeter, triplate line valve and joint at air spring pressure detection mouth place through threeway.