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Device and method for rapidly measuring deflection of long and large component

The technology of a measuring device and measuring method, which is applied in the field of rail vehicles, achieves the effects of realizing automatic measurement, reducing measurement error and improving reliability

Active Publication Date: 2019-10-22
SOUTHWEST JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Aiming at the above-mentioned deficiencies in the prior art, the present invention provides a device for quickly measuring the deflection of long and long parts that can solve the problem of lack of methods for accurately measuring the deflection of long and long parts in the prior art

Method used

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  • Device and method for rapidly measuring deflection of long and large component
  • Device and method for rapidly measuring deflection of long and large component

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Embodiment Construction

[0030] The present invention will be further described below in conjunction with accompanying drawing:

[0031] Such as figure 1 As shown in , it is a schematic diagram of the structure of the rapid measurement device for long component deflection.

[0032] The device for quickly measuring the deflection of a large part of the present invention comprises a frame 1, on which three ball screw modules 2 are arranged along the same straight line, and one end of the ball screw module 2 is provided with a servo motor 8, the ball screw module A sliding table 3 is fixedly installed on the mounting plate above the group 2, an L-shaped mounting plate 4 is arranged on the sliding table 3, and a laser displacement sensor 6 is arranged on the upper end of the L-shaped mounting plate 4; The through-beam laser sensor 6 is relatively arranged respectively; the frame is provided with a controller, and the controller is electrically connected with the laser displacement sensor 6, the servo mot...

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Abstract

The invention discloses a device and method for rapidly measuring the deflection of a long and large component. The measuring device comprises a frame. Three ball screw modules are arranged on the frame along the same straight line. A servo motor is arranged on one end of each ball screw module. A sliding table is fixed to a mounting plate above each ball screw module. An L-shaped mounting plate is arranged on each sliding table. The upper end of each L-shaped mounting plate is provided with a laser displacement sensor. The L-shaped mounting plates on both sides are provided with opposite through-beam laser sensors. A controller is disposed on the frame, and is electrically connected with the laser displacement sensors, the servo motors, and the through-beam laser sensors. The measuring method includes placing the measuring device under a workpiece to be measured, and arranging the frame in parallel with the workpiece to be measured. The device and method can solve the lack of technology for accurately measuring the deflection of the long and large component, and is high in detection precision, excellent in adjustability, and fast in detection speed.

Description

technical field [0001] The invention relates to the technical field of rail vehicles, in particular to a fast measuring device and a measuring method for the deflection of a long component. Background technique [0002] Deflection refers to the linear displacement of the axis of the rod line in the direction perpendicular to the axis when the force is applied or the temperature is not uniform. In parts, such as EMUs or subway car body sites, the measurement of deflection is particularly important. [0003] The measurement methods at the present stage are relatively simple, which will cause deviations in the installation of the measurement device when measuring large parts, and cannot effectively control the exact position of each measurement point. At the same time, the data obtained by some traditional measurement methods The accuracy is not high, and the measurement error is large; at the same time, using other direct deflection measurement methods, whether it is laying o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B11/00
CPCG01B11/00
Inventor 朱旻昊贺继樊彭金方蔡振兵刘建华徐志彪高恒曹超焦记楠
Owner SOUTHWEST JIAOTONG UNIV
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