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An online detection device and detection method for the pin separation force of a planetary gear shaft

A planetary wheel shaft and detection device technology, applied in the detection field, can solve the problems of long detection period, affecting the detection accuracy, and the difficulty of accurately grasping the time when the fixed slider is detached from the steering column, etc., and achieves the advantages of convenient installation and accurate detection of pin shaft detachment force Effect

Active Publication Date: 2017-10-17
YUHUAN PUTIAN UNIDIRECTIONAL DEVICE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Such a detection device and method has the problem of simulating the installation environment of the automobile steering column assembly, which makes the structure of the detection device complex and the detection period is long; it is difficult to accurately grasp the time when the fixed slider is separated from the steering column, which affects the detection accuracy.

Method used

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  • An online detection device and detection method for the pin separation force of a planetary gear shaft
  • An online detection device and detection method for the pin separation force of a planetary gear shaft
  • An online detection device and detection method for the pin separation force of a planetary gear shaft

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Embodiment 1

[0036] The planetary gear 16 is installed on the planetary wheel shaft 14 through the pin shaft 15, and the pin hole on the pin shaft 15 and the planetary wheel shaft 14 is a tight fit relationship, for example, figure 1 the structure described. The on-line detection device for the pin shaft separation force of the planetary wheel shaft includes a base 1, a workpiece positioning seat 2, an accommodation hole 21, a sliding driving source 1 3, a displacement sensor 4, a mounting frame 5, a sliding driving source 2 6, a lower pressure seat 7, Pressure head 8 and pressure sensor 9.

[0037] Specifically, as figure 2 As shown, the sliding driving source 1 3 is arranged between the base 1 and the workpiece positioning seat 2 for driving the workpiece positioning seat 2 to slide horizontally along the base 1 . A receiving hole 21 is opened on the workpiece positioning seat 2 , and the planetary wheel shaft 14 can be inserted into the receiving hole 21 so that the installation posi...

Embodiment 2

[0043] This embodiment is a detection method for the on-line detection device for the pin shaft separation force of the planetary gear shaft in the first embodiment, specifically, as Figure 6 As shown, the detection method includes the following steps:

[0044] A. Installation of the planetary wheel shaft: the workpiece positioning seat 2 is located at the blanking position of the planetary wheel shaft 14 assembly production line, and the planetary wheel shaft 14 assembled on the production line is placed on the workpiece positioning seat 2 and positioned;

[0045] B. Preparations before detection: Start the detection device, slide the driving source 1 3 to drive the workpiece positioning seat 2 to slide along the base 1 to the detection position, make the pin shaft 15 on the planetary wheel shaft 14 and the pressure head 8 be in the right position, and the displacement sensor 4 is cleared ;

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Abstract

The invention provides an on-line detection device and detection method for a pin shaft separation force of a planetary gear shaft, belonging to the detection technical field. It solves the existing problems of long period of separation force and low accuracy. The on-line detection device for the pin shaft detachment force of the planetary wheel shaft includes a base, a sliding driving source is arranged between the base and the workpiece positioning seat, the workpiece positioning seat has a receiving hole, the workpiece positioning seat is provided with a displacement sensor, and the base is also provided. It has a mounting frame, on which a lower pressure seat is slidingly connected to the sliding drive source two, the bottom of the lower pressure seat is provided with a pressure head, and the upper end of the pressure head is provided with a pressure sensor. The on-line detection method of the pin shaft separation force of the planetary shaft comprises the following steps: A. installation of the planetary shaft; B. preparation before detection; C. detection of the pin shaft separation force; D. analysis of detection results; E. completion of detection. The invention enables faster and more accurate detection of the detachment force of the pin shaft of the planetary wheel shaft.

Description

technical field [0001] The invention belongs to the technical field of detection, and relates to an on-line detection device and detection method for the pin shaft separation force of a planetary gear shaft. Background technique [0002] The planetary reducer is a speed converter that uses gears. The gear with a small number of teeth on the transmission shaft of the planetary reducer meshes with the large gear on the output shaft, so as to reduce the speed of the motor and obtain a larger torque mechanism. The planetary gear shaft is an important part of the planetary reducer, and multiple planetary gears are installed on the planetary gear shaft through pin shafts. The pin shaft and the planetary gear shaft are in a tight fit. In order to prevent the pin shaft from being displaced by the axial force and then fail, the pin shaft needs to be able to withstand a certain axial force. The limit of the axial force is referred to as the separation force. [0003] It is a dynamic ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01M13/02G01L5/00
Inventor 吴树建
Owner YUHUAN PUTIAN UNIDIRECTIONAL DEVICE CO LTD