Third-generation automobile hub bearing axial clearance automatic measuring device
A technology of automobile wheel hub and axial clearance, which is applied in the direction of measuring devices, instruments, etc., can solve the problems of low detection efficiency, complex structure, and impact on detection quality, and achieve the effects of reducing labor costs, improving reliability, and realizing automation
Active Publication Date: 2016-07-20
ZHEJIANG MEASUREMENT SCI RES INST
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Problems solved by technology
The traditional first-generation hub bearing is composed of two sets of tapered roller bearings or ball bearings. Compared with the first-generation hub, the structure of the third-generation hub bearing is more complicated. It was originally aimed at the first-generation automotive hub Although there are many detection methods and detection devices for bearings, due to structural differences, such methods and devices are not sui
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[0022] The present invention will be further described below in conjunction with drawings and embodiments.
[0023] Such as figure 1 As shown, the present invention comprises a marble platform 1, a gantry 7 fixed on the marble platform 1, a camera, a PLC and an industrial computer installed on the gantry 7; the bearing block 3 is fixed on the top surface of the marble platform 1 by a screw 4, and the bearing The seat 3 is rigidly connected with the marble platform 1 to ensure the stability of the measurement process. The flange plate 5 of the tested automobile wheel bearing is fixed on the bearing seat 3 through the cylinders on both sides; The bottoms of the linear slide table 11 and the left linear slide table 12, the right linear slide table 11 and the left linear slide table 12 are respectively equipped with a right electric cylinder 10 and a left electric cylinder 13, and the cylinder rods of the right electric cylinder 10 and the left electric cylinder 13 are vertical. ...
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The invention discloses a third-generation automobile hub bearing axial clearance automatic measuring device. A bearing pedestal is fixed on the top surface of a marble platform, a bearing flange plate is fixedly placed on the bearing pedestal; a gantry is provided with a linear sliding table, the bottom part of the linear sliding table is provided with an electric cylinder, the electric cylinder is provided with clamps, the clamps clamp a lug on the periphery of the outer ring of a bearing, and the upper part of a measured automobile hub bearing is provided with an automatic measuring and detecting assembly; and the clamps on the electric cylinder load valid measuring forces to the outer ring of the measured automobile hub bearing, a digital display inductance comparator is used for measuring displacement amount of the outer ring of the bearing moving along axial direction, and a camera automatically obtains and displays a numerical value as well as uploads the numerical value, thereby achieving automation. The third-generation automobile hub bearing axial clearance automatic measuring device can adapt to the structural particularity of a third-generation automobile hub bearing, is simple in operation and easy to achieve automation, increases detection efficiency, can ensure reliability of detection results, and can be widely applied to automatic detection of third-generation automobile hub bearing axial clearance.
Description
technical field [0001] The invention relates to a device for measuring the axial clearance of an automobile hub bearing, in particular to an automatic measuring device for the axial clearance of a third-generation automobile hub bearing. Background technique [0002] The hub bearing is a very important auto part, and its main function is to provide precise guidance for the transmission of the hub of the vehicle. Therefore, it is required to control the axial clearance of the hub bearing within a reasonable range. Hub bearings can be divided into the first generation, second generation, third generation and fourth generation according to the different integration methods with other components of the automobile transmission system. At present, the third generation hub bearings are widely used, which generally consist of inner ring , outer ring, flange and roller unit composed of four parts. The traditional first-generation hub bearing is composed of two sets of tapered roller...
Claims
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CPCG01B21/16
Inventor 周红明余松青周闻青茅振华陈挺叶欣卢歆
Owner ZHEJIANG MEASUREMENT SCI RES INST