Vertical air spring fatigue testing machine
A technology of fatigue testing machine and air spring, which is applied in the testing of mechanical components, testing of machine/structural components, testing of material strength by applying repetitive force/pulsation force, etc. Reliability and other issues, to achieve the same amplitude, reliable test results, and remarkable energy-saving effect
Inactive Publication Date: 2015-03-11
青岛信森机电技术有限公司
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Problems solved by technology
[0003] The present invention aims to solve the problem that the existing air spring fatigue test device with a crank-link mechanism has a hard connection, the compression of the air spring completely depends on the torque provided by the motor, the power of the motor is relatively large, the energy consumption is high, and the pressure direction of the air spring is constant , Periodic changes, technical problems that affect the reliability of the experiment, provide a small dynamic vibration, realize large load loading, effective energy saving, the same working condition as the air spring, and an air spring vertical fatigue testing machine with reliable experimental results
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[0014] Description with reference to the accompanying drawings.
[0015] The plane on the base plate of the base 9 is horizontal, and two vertical guide rods 4 are fixedly connected to the plane on the base plate. In this embodiment, the driving power 5 is a servo motor, the motor base is fixedly connected to the sliding plate 1, and the servo motor is fixedly installed on the motor base. The servo motor drives the driving transmission gear to rotate, the driving transmission gear meshes with the driven transmission gear, and the eccentric roller 3 and the driven transmission gear are coaxially and fixedly installed together. The vertical eccentric roller support 2 is fixedly connected on the slide plate 1, the eccentric roller support 2 supports the eccentric roller 3 and the driven transmission gear, and the axes of the eccentric roller 3 and the driven transmission gear are horizontal. The axis of the eccentric roller 3 is installed at the center position of the slide ...
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The invention belongs to a vertical air spring fatigue testing machine for testing the service life of air springs through vertical reciprocating compression, and the vertical air spring fatigue testing machine is used for testing the service life of the air springs. Driving power and an eccentric roller are mounted on a sliding plate, the driving power drives the eccentric roller to rotate, the tested air springs are placed between a base and the sliding plate, and a damping contact and an electromagnet of an electromagnetic damping system are respectively mounted on the sliding plate and the base; through the technical scheme, the technical problems of an existing air spring fatigue testing device with a crankshaft and connecting rod mechanism that the connection is rigid, the compression of the air springs completely depends on a torque provided by a motor, the power of the motor is relatively large, the energy consumption is high, the directions of suffered pressures of the air springs are continuously and periodically changed and the experimental reliability is influenced are solved; the provided vertical fatigue testing machine for the air springs is small in power oscillation starting, realizes large-load loading, is effective and energy-saving, and is reliable in experimental result, and the using condition of the vertical fatigue testing machine is the same as the using conditions of the air springs.
Description
technical field [0001] The invention belongs to a device for testing the life of an air spring through vertical reciprocating compression, in particular to an air spring vertical fatigue testing machine. Background technique [0002] The existing air spring fatigue test device uses the power to drive the air spring to reciprocate and compress the air spring through the crank connecting rod mechanism, so as to carry out the fatigue test on the air spring. Chinese utility model patent "Automotive Air Spring Fatigue Testing Machine", authorized announcement number CN2727729Y, discloses an asynchronous motor that drives the connecting rod of the crank linkage mechanism to drive the lever beam to swing, and the lever beam drives the air spring to expand and contract for testing. Fatigue test device. Drive the air spring to reciprocate and compress through the crank-link mechanism, and then carry out the fatigue test on the air spring. The disadvantage is the rigid connection. Th...
Claims
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IPC IPC(8): G01N3/38G01M13/00
Inventor 李志洋邹维涛刘焕义马学波孟凡华
Owner 青岛信森机电技术有限公司
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