Measuring device and method for static stiffness of tennis racket string
A static stiffness and measuring device technology, applied in the direction of testing manufacturing objects, using stable tension/pressure testing material strength, material inspection products, etc., can solve sports injuries and other problems, achieve slow deformation speed, simple structure, and the number of parts little effect
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[0032] The tennis racket string static stiffness measuring device of the present embodiment is as figure 1 As shown, it includes the aluminum profile frame and the power part installed on the aluminum profile frame, the clamping part and the sensor detection part. Including elevator 1, coupling 2, stepping motor 3, stepping motor mounting frame 4, threaded seat 5, locking screw 6, padding aluminum profile 7, lower clamping plate 8, upper clamping plate 9, X direction Linear guide rail 10, laser displacement sensor 11, Y direction linear guide rail 12, aluminum profile bar 13, cross fastener 14, tennis racket 15 and elevator mounting plate 16.
[0033] Wherein, the stepping motor 3 and the elevator 1 are connected through the shaft coupling 2, the elevator 1 is installed on the bottom of the frame through the elevator mounting plate 16, the screw top of the elevator 1 is connected with the pressure sensor, and the pressure sensor is located under the cross fastener 14, and the ...
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