Buffering closing hydraulic cylinder
A technology of hydraulic cylinders and cylinder blocks, applied in the field of hydraulic cylinders, can solve the problems of lack of buffering effect, large braking force, poor buffering effect, etc., and achieve the effects of being difficult to operate, meeting controllability and high reliability requirements.
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[0045] The present invention will be described in detail below with reference to the accompanying drawings and examples.
[0046] This embodiment provides a slow closing hydraulic cylinder, see the attached figure 1 , including: cylinder 1, piston rod 2, spacer 3, sleeve 4, one-way valve 5, screw rod 6, rear end cover 7, displacement sensor 9, front end cover 10, nut 14, piston 18, quick adjustment screw 11 and slow adjustment screw 12;
[0047] The cylinder body 1 is a cylindrical body with openings at both ends, and an oil port A8 communicating with its inner cavity is provided on the outer peripheral surface of one end;
[0048] The piston rod 2 is processed with a blind hole along its axial direction;
[0049] The spacer 3 is a cylinder with an open end and a central hole A processed at one end, and a magnetic ring is provided on the inner peripheral surface of the central hole A;
[0050] The displacement sensor 9 adopts a magnetostrictive sensor, and its sensitive ele...
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