A rail head profile measuring instrument

A technology for measuring instruments and rails, which is applied in the direction of railway vehicle shape measuring devices, railway car body parts, railway auxiliary equipment, etc., can solve the problem that the difference between the rail profile and the design profile cannot be measured, and improve The level of maintenance and repair, the effect of improving work efficiency
CN107433960BActive Publication Date: 2018-05-15SHIJIAZHUANG TIEDAO UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
SHIJIAZHUANG TIEDAO UNIV
Publication Date
2018-05-15

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Abstract

The invention discloses a rail head profile measuring instrument, which relates to the technical field of rail repair and maintenance; it includes a positioning device, a fixing device for fixing the rail, and a measuring device; the fixing device is arranged at the lower part of the positioning device, and the measuring device is arranged at the positioning device The upper part; the measuring device includes a slideway, a ruler and a retractable probe arranged on the fixed plate. The scale slides on the slideway through the slider, and the fixed plate can slide up and down. The fixed plate is connected with the positioning device, and a horizontal row of probes Set at the lower end of the fixed plate; a horizontal row of probes can match and fix the upper end of the rail head profile; there is also a standard template, which is fixed on the fixed plate at the position corresponding to the probes; it can be quickly measured on the job site The amount of grinding required for the rail and the difference between the polished rail profile and the designed profile can improve the maintenance and repair level of the rail and improve work efficiency.
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Description

technical field

[0001] The invention relates to the technical field of rail repair and maintenance. Background technique

[0002] With the rapid development of high-speed railways and heavy-haul railways, problems such as rail head peeling and wavy wear occur frequently, which have an important impact on the safe operation of the track. Regular rail grinding is one of the important measures to prevent rail corrugation and control rolling contact fatigue crack growth. It is of great significance to use special instruments to determine the amount of rail grinding, and quickly measure the gap between the polished profile and the standard template to check whether the polished rail profile meets the requirements, which is of great significance for guiding the rail grinding operation.

[0003] For now, although this standard template can detect the quality of the rail grinding profile, it cannot measure the required grinding amount of the rail and the difference between the poli...

Claims

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