Measuring device for transmission gap
A technology of measuring device and clearance, applied in the direction of measuring device, instrument, etc., can solve the problems of inability to accurately measure the transmission clearance of the differential gear and the transmission clearance of the main reduction gear, affecting the assembly efficiency of the main reducer, etc. powerful effects
Active Publication Date: 2019-02-15
CHONGQING UNIV OF TECH
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Problems solved by technology
Therefore, at present, the measurement of the transmission clearance of the differential and the main reduction gear can only be carried out before the assembly of the final reduction gear, which affects the assembly efficiency of the final reduction gear, and cannot accurately measure the transmission clearance of the differential and the main reduction gear in the assembled state. Transmission clearance of reduction gear
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[0028] The present invention will be described in further detail below in conjunction with embodiment.
[0029] During specific implementation: if figure 1 and figure 2 As shown, a transmission gap measuring device includes a base 17, a tested main reducer 5 and a drive motor 1 installed on the base 17; An angular displacement sensor 4 is coaxially connected with the output shaft of the drive motor 1; a second angular displacement sensor 6 is installed on the second semi-axis of the measured final drive 5; a second angular displacement sensor 6 is installed on the base 17 There is a locking device 8 capable of blocking the second half-shaft, and the second half-shaft is releasably connected to the locking device 8; Triangular displacement sensor 9.
[0030] With the above structure, when measuring, the second half shaft can be disengaged from the locking device first, and then the drive motor can be used to drive the first half shaft to rotate. Due to the rotation of the p...
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The invention discloses a measuring device for the transmission gap, and is characterized in that the invention comprises a base, a measured main reducer and a drive motor which are mounted on the base; a first angular displacement sensor is mounted on a first half shaft of the measured main reducer, and is coaxially connected with the output shaft of the drive motor; a second angular displacementsensor is mounted on the second half shaft of the measured main reducer; a locking device capable of blocking the second half shaft is further mounted on the base, the second half shaft is releasablymounted to the locking device; a third angular displacement sensor is mounted on the input shaft of the measured main reducer. The invention has the advantages that the transmission gap of the differential and the main reduction gear can be measured separately for the assembled main reducer.
Description
technical field [0001] The invention relates to the technical field of automobile testing, in particular to a transmission clearance measuring device. Background technique [0002] As the power transmission device between the automobile engine and the driving wheel, the automobile power transmission system includes the main components such as the gearbox, the transmission shaft and the main differential. Since its components include many gears or splines and universal joint structures, There must be a certain backlash if there are gears, and the structure of the transmission shaft is often relatively long, so there will be a certain transmission backlash after the force is applied. If the backlash of the gears is too large, it will cause impact between the teeth, generate meshing noise and affect Transmission stability, and excessive transmission clearance will cause automobile NVH problems. The transmission clearance of the universal joint or spline will affect the perform...
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IPC IPC(8): G01B21/16
CPCG01B21/16
Inventor 郭栋石晓辉黎洪林申志朋张韬陈芳超
Owner CHONGQING UNIV OF TECH