Piezoelectric self-sensing based adjustable damper
A technology of self-sensing and damping adjustment, applied in shock absorbers, gas-hydraulic shock absorbers, shock absorbers, etc., can solve the problems of unrealized piezoelectric actuator self-sensing, limited damping force, capacitive coupling, etc., and achieve overall The effect of wide adjustment range of damping coefficient, reduction of high-frequency vibration, and simplified structure
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[0029] The present invention will be further described below in conjunction with the accompanying drawings and embodiments, but the protection scope of the present invention is not limited thereto.
[0030] Such as figure 1 As shown, the adjustable damping shock absorber based on piezoelectric self-sensing includes: upper lug 1, dust cover 2, piston rod 3, guide seat assembly, oil 8, working cylinder 9, working Piston assembly, sealing ring 20, floating piston 21, airtight chamber 22 and lower lifting lug 23;
[0031] The guide seat assembly is installed on the top of the working cylinder 9;
[0032] The guide seat assembly includes: skeleton oil seal 4, oil seal washer 5, oil seal spring 6 and guide seat 7; the skeleton oil seal 4 cooperates with the piston rod 3 and is compressed by the oil seal spring 6, and the skeleton oil seal 4 and the oil seal An oil seal washer 5 is arranged between the springs 6; the guide seat 7 and the piston rod 3 are arranged close to the wall ...
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