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Railway coach suspension spring matching method

A technology for railway passenger cars and passenger cars, which is applied in the directions such as the lateral relative moving device between the underframe and the bogie, can solve the problem of difficulty in ensuring a qualified drop-off inspection, low utilization rate of passenger car maintenance stations, and poor bogie frame. Balance the force system and other issues to achieve the effect of reducing vehicle operating failures, reducing the workload of auxiliary maintenance, and reasonable distribution of actions

Inactive Publication Date: 2006-02-08
TAIYUAN RAILWAY RES INST OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

After the springs are installed, complete the car body; check whether the working heights of the axle box springs and bolster springs meet the technical requirements of the bus maintenance process; it is difficult to ensure that the vehicle is qualified for inspection after one drop
If the requirements are not met, it is necessary to mount the car again or adjust the position of the spring, or even replace the spring. It often takes so many repetitions to meet the maintenance process requirements, which not only increases the workload of maintenance, prolongs the maintenance period, but also causes passenger cars The utilization rate of the maintenance station is low, which affects the normal maintenance process of passenger cars
At the same time, the vertical oblique symmetrical load has a large effect, causing an unbalanced force system on the bogie frame, which affects the safe operation of the passenger car after speeding up

Method used

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  • Railway coach suspension spring matching method
  • Railway coach suspension spring matching method
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Examples

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Embodiment Construction

[0013] The selection method of railway passenger car suspension spring, weighing the passenger car body, and measuring the load distribution P of the four supporting positions of the passenger car body A ,P B ,P C ,P D , and according to the load distribution of the four supporting positions, determine the heavy end and light end of the passenger car body, as well as the heavy side and light side of the heavy end and light end; measure the axle box spring and bolster spring According to the free height and stiffness of the springs, the axlebox springs and bolster springs are sorted in descending order of the product of the free height and stiffness of the springs; There are 8 groups, and the 8 bolster springs are divided into 4 groups; the 8 groups of axle box springs are in the order of the product of free height and stiffness (elastic force equivalent) from large to small, according to the outer side of the heavy end and the light end of the heavy end. The outside of one ...

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Abstract

The invention relates to suspended mechanical spring in railway carriages for passenger, concrete relates to option processes for suspended mechanical spring in railway carriages for passenger. The invention solves the problem of difficulty in Making sure that carriages for passenger primary pass the test because of lacking of option processes for standard axle box mechanical spring and bolster mechanical spring when carriages for passenger in maintenance. Weighting the body of the carriages for passenger, Gauging partition of load of the four supporting place in the body carriages for passenger, and Ascertaining the heavy end the light end and the heavy side, the light side of the heavy end and the light end according to the partition of load of the four supporting place; gauging the free height and hardness of the vehicle-mounted axle box mechanical spring and bolster mechanical spring, Ordering the axle box mechanical spring and bolster mechanical spring in order of large to small of the product of the free height and the hardness of the mechanical springs; and then optioning in the order of heavy end to light end, heavy side to light side. The invention can reduce the workload of corrective maintenance, improve the success rate of maintenance, essentially make >primary pass the test, and improve maintenance efficiency and quality.

Description

technical field [0001] The invention relates to a railway passenger car, in particular to a suspension spring on a railway passenger car, in particular to a method for selecting and matching the suspension spring of a railway passenger car. Background technique [0002] The railway passenger car suspension spring device is an important component of the railway vehicle vibration damping device. Its function is mainly reflected in two aspects: one is to make the mass and load of the vehicle more evenly transmitted to each axle, and to make the vehicle under static load condition (Including empty and heavy vehicles), the height of the couplers at both ends from the rail surface should meet the requirements stipulated in the "Railway Technical Management Regulations" to ensure the normal coupling of vehicles; Abrasion and uneven sinking, as well as vehicle vibration and shock caused by wheel scratches, wheel out-of-round, journal eccentricity, etc. The suspension spring device ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B61F5/06
Inventor 庞川宾王建锋刘国军于永生张卫忠王启明陈昭明
Owner TAIYUAN RAILWAY RES INST OF SCI & TECH
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