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Direct-current motor armature commutator dynamic pressure overspeed testing machine

A DC motor, overspeed test technology, used in motor generator testing, machine/structural component testing, mechanical component testing, etc. Reasonable, low equipment failure rate, convenient detection effect

Inactive Publication Date: 2013-10-30
襄阳中车电机技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the known equipment for the dynamic pressure overspeed test after the armature commutator of the DC motor is assembled is a vertical or horizontal single output shaft, and its disadvantages are: ① the overspeed shaft has few supporting points and the rotation is unstable; High vibration and high failure rate; ③Short support bearing life; ④Low overspeed efficiency

Method used

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  • Direct-current motor armature commutator dynamic pressure overspeed testing machine

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Embodiment Construction

[0010] Such as figure 1 As shown, a double support base 13 is fixed on the platform 15, and the power output shaft 6 is fixed on the double support base 13 through a bearing. 6 is connected with the seams of the dummy shaft 3 provided at both ends of the power output shaft 6 through the flanges 4 on both ends, and the shaft head at the other end of the dummy shaft 3 is fixed on the fulcrum 11 of the dummy shaft through the bearing 8, and locked with a lock The tight nut 10 is locked, and the double support seat 13 and the false shaft fulcrum 11 are composed of Huff semi-bearings; on the platform 15 on the two axial sides of the power output shaft 6, a constant temperature overspeed box 2 is symmetrically fixed, and is located on the power output shaft. The dummy shafts 3 at both ends of the shaft 6 are respectively arranged in the constant temperature overspeed box 2 on both sides of the power output shaft 6, and the dynamic pressure overspeed test can be performed on two comm...

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Abstract

The invention discloses a direct-current motor armature commutator dynamic pressure overspeed testing machine, and relates to devices for dynamic pressure overspeed tests after armature commutators of various direct-current motors of railway locomotives are assembled. The direct-current motor armature commutator dynamic pressure overspeed testing machine is mainly used for solving the problems that an existing vertical type overspeed machine is unstable in rotation, high in shock, high in equipment failure rate and low in efficiency when commutator high-speed overspeed experiments are carried out. According to the direct-current motor armature commutator dynamic pressure overspeed testing machine, a power output shaft is fixed on a double-support base through a bearing, the two ends of the power output shaft are connected with spigots of dummy shafts through flanges respectively, the other ends of the dummy shafts are fixed on double dummy shaft supporting points through bearings, constant-temperature overspeed boxes are symmetrically arranged on the two sides, in the axial direction, of the power output shaft, and the dummy shafts are arranged in the constant-temperature overspeed boxes respectively. The direct-current motor armature commutator dynamic pressure overspeed testing machine is convenient to operate, stable in shafting supporting and low in equipment failure rate, and can carry out overspeed tests on two commutators at the same time or one commutator.

Description

technical field [0001] The invention relates to the manufacturing industry of various direct current motors of railway locomotives, in particular to a commutator horizontal overspeed machine for a dynamic pressure overspeed test after the armature commutator of the direct current motor is assembled. Background technique [0002] At present, the known equipment for the dynamic pressure overspeed test after the armature commutator of the DC motor is assembled is a vertical or horizontal single output shaft, and its disadvantages are: ① the overspeed shaft has few supporting points and the rotation is unstable; High vibration and high failure rate; ③Short life of support bearings; ④Low overspeed efficiency. Contents of the invention [0003] The purpose of the present invention is to overcome above-mentioned deficiency, and provide a kind of dc motor armature commutator dynamic pressure overspeed testing machine with convenient installation, wide application range and high ov...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M13/00G01R31/34
Inventor 潘则名谭小静
Owner 襄阳中车电机技术有限公司
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