STAND FOR DYNAMIC TESTS multilink MECHANISMS

摘要

The invention relates to the field of testing devices and mechanisms under cyclic loads, more particularly, to stands for dynamic testing and iterative mechanisms may find application in the test lever, crank, piston and other mechanisms.; The technical result of the proposed utility model is to eliminate the drawbacks of the prior art, the expansion of technological capabilities and improve the accuracy of measurement of test parameters multilink mechanism under cyclic loads encountered during the cyclic movement of the links along a predetermined path at frequencies from a few to tens of Hz or higher.; Said technical result is achieved in that the bench for the dynamic testing of multilink mechanism comprising a base test product, the unit of the cyclic impacts on its units controls the test results and control unit according to the utility model, the block cyclic impacts on links includes mechanical, hydropneumatic or a solenoid assembly for moving units in radial guides in the plane of the test articles eccentrically relative to its geometric axis, etc. When in use, the housing of the test items is set based on the stand via a support assembly configured to bias the body of the test articles in a vertical plane, the test results of control means comprise sensors displacement of the body of the test article and its units, and outputs of said sensors connected to the mode control unit inputs bench work.; In addition, the unit of the cyclic impacts on the links of the test product may be configured as a rotor with radial guides, having mutually perpendicular axes, wherein the working rotor shaft is located eccentrically relative to the geometric axis of the housing of the test product and connected to the shaft of the driving motor through the driveline with axial compensation, placed in the guide links in the form of pistons via connecting rods pivotally connected with the housing of the test product on its geometric axis, and means con trol test results further include speed sensor of the drive motor, whose output is connected to the input mode control unit work stand.; In addition, units of the test items can be made in the form of pistons located in radial channels of the housing, and the unit of the cyclic impacts on units can comprise a pump and fluid supply assembly in the cavity of the radial channels for the cyclic change in the distance from the center of mass units to the body axis of the test articles .; In addition, units of the test items can be made in the form of cylinders made of ferromagnetic material arranged in radial guide body, and the unit of the cyclic impacts on units can comprise at least one electromagnet disposed on the periphery of the housing and connected to the control unit to cyclically change distance from the center of mass units to the axis of the test product shell.; Description 6 l., F la 4 pp., Fig. to 1 liter.