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Method for preventing idling and slipping of wheel of track motor car

A technology for motor vehicles and wheels, applied in the directions of wheels, wheel adhesion, vehicle components, etc., can solve the problems of high operation cost, complex system, and easy malfunction of system judgment, and achieve the effect of stable performance and simple system structure.

Active Publication Date: 2007-12-26
ZHUZHOU CSR TIMES ELECTRIC CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are obvious shortcomings in the above-mentioned control method: the system is complex, and the judgment of the system is too sensitive to easily cause malfunctions. The system device manufactured by the above-mentioned method has a complicated structure and high operating cost.

Method used

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  • Method for preventing idling and slipping of wheel of track motor car

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Embodiment Construction

[0008] Below in conjunction with accompanying drawing and embodiment the present invention will be further described:

[0009] 1. Idling occurs in the traction condition. When the following situations occur, it is judged that the traction force of the shaft is reduced to 0, and the idling is about to occur or has already occurred. At this time, the idling is suppressed by power shedding or sanding.

[0010] 1. When the difference between the speed of a certain axis and the control speed of the driver reaches a certain value a;

[0011] 2. When the speed of a certain shaft exceeds the train speed and reaches a certain value a;

[0012] 3. When the speed of a certain shaft exceeds the speed of other shafts and reaches a certain value a.

[0013] Through experiments on specific application types, the corresponding a value is obtained as the idling threshold value of the load reduction calculation of the present invention.

[0014] 2. Sliding occurs in the braking condition. Whe...

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Abstract

The invention discloses a method for avoiding the idle run and slide of the wheels of railway motor trolley, comprising following steps: centralized processing and output the measured each axial speed including axial speed, inter-axial sliding speed difference, and inter-axial idle run speed difference; selecting the lower one of speed and controlling speed of driver as limited speed; calculating the limited speed difference between limited speed and each axial speed; selecting the larger one of limited speed difference and inter-axial idle run speed difference as idle speed difference; selecting the larger one of limited speed difference and inter-axial sliding speed difference as sliding speed difference; using the idle speed difference to calculate the de-loading coefficient in the drawing condition and processing the de-loading process; using the sliding speed difference to calculate the de-loading coefficient in the braking condition and processing the de-loading process; and processing the spreading-sand process when the spreading-sand value set by driver equals to the idle run speed difference or sliding speed difference. The invention has stable property, simple structure, lower cost and better effects to avoid the idle run and slide.

Description

technical field [0001] The invention relates to a safety technology in the field of railway transportation, in particular to a method for preventing wheels of rail vehicles from idling and sliding. Background technique [0002] The locomotives running on the track, the idling and sliding of the wheels are unavoidable, and the idling and sliding will bring great harm to the rail rolling stock. Generally, the rails or wheel treads will be scratched, and even cause major safety accidents in serious cases. . In order to effectively prevent the idling and sliding of rail train wheels, many research institutions have done a lot of beneficial work in this area for a long time, and have researched and formulated some systems and methods. At present, the most widely used ones are: creep rate of GE company in the United States Control system, Bombardier's MITRAC adhesion control system, Siemens' SIBAS32 adhesion control system, domestically developed anti-idling / anti-skid control sys...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60B39/10
Inventor 李蔚
Owner ZHUZHOU CSR TIMES ELECTRIC CO LTD
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