RECIPROCATING SEALING-RING-FREE PISTON HYDRAULIC BRAKING DEVICE

WIPO Patent Application WO/2020/253471

A1

Disclosed is a reciprocating sealing-ring-free piston hydraulic braking device comprising: a hydraulic cylinder provided with a cylinder cover (20), a cylinder body (9002), and a sealing-ring-free piston (19) capable of reciprocal movement in the cylinder body; a clutch mechanism provided with a clutch housing (3) and a crankshaft machine body (9) which are connected to each other; and a clutch semi-axle (4) arranged in the clutch housing, a clutch spline sleeve (5) arranged outside the clutch semi-axle, a crankshaft (8) arranged in the crankshaft machine body, and a transmission gear (1) connected to the clutch semi-axle; and a transmission mechanism, wherein the transmission mechanism drives the sealing-ring-free piston to move, and force generated during compression and pump suction of the sealing-ring-free piston forms restoring torque to be transmitted to the crankshaft, and transmitted to a main shaft of a power device by means of the clutch mechanism. The hydraulic braking device has the advantages that the structure is simple, manufacturing is convenient, mounting is flexible, little liquid working media is used, the braking efficiency is high, and the reliability is good.

LIU YUNXING (CN)

PCT/CN2020/092087

December 24, 2020

May 25, 2020

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LIU YUNXING (CN)

F16D57/00; F16D65/14; F16D121/04

US1658960A	1928-02-14
CN104074892A	2014-10-01
CN105715618A	2016-06-29
CN110145559A	2019-08-20
CN210290558U	2020-04-10
CN1182842A	1998-05-27
SU1259065A1	1986-09-23

HANQIAO PATENT (CN)

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