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Train wheel hub inner hole diameter laser measurement system and measurement method thereof

A technology of inner hole diameter and measurement system, which is applied in the field of measurement

Active Publication Date: 2016-07-13
ANHUI UNIVERSITY OF TECHNOLOGY
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  • Abstract
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Problems solved by technology

[0004] Aiming at the above-mentioned technical problems existing in the measurement of the inner hole diameter of the existing train wheel hub, the present invention proposes a laser measurement system and a measurement method for the inner hole diameter of the train wheel hub

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  • Train wheel hub inner hole diameter laser measurement system and measurement method thereof
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  • Train wheel hub inner hole diameter laser measurement system and measurement method thereof

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Embodiment Construction

[0065] Such as figure 1 , 2 , Shown in 3, a kind of train wheel wheel hub inner hole diameter laser measurement system, comprises hardware part and software part, and hardware part is made up of underframe 1, workbench 3, limit mechanism, high-precision laser ranging sensor assembly 8, lifting mechanism 10. Oil cylinder head 13, oil cylinder 14 and connecting screws, hydraulic station, hydraulic valve table, data acquisition card, controller and display, relay and cable power supply; the software part consists of signal communication module, drive control module, data acquisition and processing module composition.

[0066] Among them, the high-precision laser ranging sensor 21 ( Figure 7 ) model is SICKOD5-30W05 in Germany, its main technical parameters are shown in the table below, precision hydraulic indexing table 33 ( Figure 8 ) model is HSD-200HT, its equalization accuracy and repeatability are ±0.02s, and the equalization specification is 4-8; the oil cylinder 14 in ...

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Abstract

The invention discloses a train wheel hub inner hole diameter laser measurement system and a measurement method thereof, and belongs to the technical field of measurement.The measurement system comprises a bottom frame, a worktable, limiting mechanisms, a high-precision laser distance measuring sensor assembly, a lifting mechanism, an oil cylinder head, an oil cylinder, connecting screws, a hydraulic station, a hydraulic valve station, a data acquisition card, a controller, a displayer, a relay, a cable power source, a signal communication module, a driving control module and a data acquisition and processing module.According to the train wheel hub inner hole diameter laser measurement system and the measurement method thereof, a laser ray is perpendicular to the surface of an inner hole when used for measuring the wheel inner hole, a laser device measures one piece of data at one part of the wheel inner hole every time rotating by 90 degrees to obtain four pieces of data, the diameter of the inner hole at the part is obtained through geometrical relationship calculation, and the distance between a laser emitting point and the rotating center of an indexing table is calibrated through the known diameter of the wheel inner hole.The train wheel hub inner hole diameter laser measurement system and the measurement method thereof have the advantages of being high in speed, precision and stability and the like, and can be applied to and popularized in detection of shapes of hole parts.

Description

Technical field: [0001] The invention belongs to the technical field of measurement, and in particular relates to a laser measuring system and a measuring method for the diameter of the inner hole of a train wheel hub, which is a non-contact measuring technology for the diameter of the inner hole. Background technique: [0002] In the train wheel set pressing process, there is an interference fit between the wheel and the axle seat. Before pressing, it is necessary to measure the inner hole of the wheel hub and the diameter of the corresponding wheel seat of the axle in real time. The interference fit between them must meet the technical requirements of the press-fit curve. The accuracy of the real-time measurement of the diameter of the inner hole of the wheel hub before press-fitting must reach 5 μm, and at the same time, high efficiency and high precision must be ensured. At present, in the machining process of disc parts, the common tool for measuring the diameter of th...

Claims

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Application Information

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IPC IPC(8): G01B11/12
CPCG01B11/12
Inventor 王全先郭健钟海波刘涛刘庆运
Owner ANHUI UNIVERSITY OF TECHNOLOGY
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