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Pressure measuring device for rail grinding head

A technology of measuring device, grinding head, applied in the direction of measuring device, force/torque/work measuring instrument, instrument, etc.

Inactive Publication Date: 2018-12-04
BEIJING JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] At present, in the prior art, there is no scheme to effectively measure the real pressure exerted by the rail grinding head on the rail head when the rail grinding head forms different angles with the vertical line

Method used

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  • Pressure measuring device for rail grinding head
  • Pressure measuring device for rail grinding head
  • Pressure measuring device for rail grinding head

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Embodiment Construction

[0026] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0027] Those skilled in the art will understand that unless otherwise stated, the singular forms "a", "an", "said" and "the" used herein may also include plural forms. It should be further understood that the word "comprising" used in the description of the present invention refers to the presence of said features, integers, steps, operations, elements and / or components, but does not exclude the presence or addition of one or more other features, Integers, steps, operations, elements, components, and / or groups thereof. It will be understoo...

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Abstract

The invention provides a pressure measuring apparatus for a steel rail grinding head. The pressure measuring apparatus mainly comprises a pressure probe assembly, two rotating shaft sets and a pedestal assembly, wherein the inner axle seat of the pressure probe assembly and the rotating shafts of the rotating shaft sets realize shaft-hole connection. A shaft fixing plate and an adjusting spindle sleeve realize axial positioning of the rotating shaft on the inner axle seat, and the rotating shafts of the rotating shaft sets and the axle seat of the pedestal assembly realize shaft-hole connection. The shaft fixing plate and the adjusting spindle sleeve realize axial positioning of the rotating shaft on the axle seat. The pressure measuring apparatus effectively meets the actual requirement for measuring actual pressure applied on a steel rail head by a grinding wheel of a grinding head, when the grinding head on a steel rail grinding technology testing bench is at different included angles to a vertical line, and measures the actual pressure applied on the steel rail head by the grinding wheel of the grinding head under different included angles. The measured values provide decision making basis for controlling the pressure applied by the grinding head, correcting the pressure applied by the grinding head and determining the grinding process parameters.

Description

technical field [0001] The invention relates to the technical field of pressure measurement of a rail grinding head, in particular to a pressure measuring device for a rail grinding head. Background technique [0002] At present, during the grinding process of the rail profile, the pressure exerted by the grinding head of the test bench on the rail head is realized through a solenoid valve and a preset control software. Since the axis of the grinding head and the vertical line of the rail need to be at different angles (changing within the range of -25° to 80°) during the grinding process, the self-weight of the grinding wheel, the grinding motor and the moving mechanism of the grinding head, as well as the manufacturing and The existence of factors such as assembly errors makes it difficult to control the grinding pressure applied to the rail head. Although the corresponding pressure value can be obtained through theoretical calculation, the real data can only be obtained ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01L5/00
CPCG01L5/0076
Inventor 王青温李建勇蔡永林
Owner BEIJING JIAOTONG UNIV
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