Built-in integrated valve type braking cycloid hydraulic motor
A cycloid hydraulic motor and integrated valve technology, applied in the field of hydraulic transmission, can solve the problems of difficulty in meeting the use requirements, large volume of the hydraulic motor assembly, complicated manufacturing and assembly processes, etc. the effect of making
Active Publication Date: 2010-12-15
ZHENJIANG DALI HYDRAULIC MOTOR
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Embodiment 1
[0016] The basic structure of the built-in braking cycloid hydraulic motor of this embodiment is as follows: figure 1 As shown, the left end of the whole motor is a body shell 1 with a liquid inlet and a return port, and the middle part is a cycloidal pinwheel pair 9 composed of a stator 36 containing pin teeth 18 and a rotor 19 (see image 3 ), the right end is the braking device. The two ends in the middle are respectively front and rear partitions 38 and 20. The outer end of the body shell 1 is equipped with an output shaft 6 extending out of the front cover 8 , the outer circle of the output shaft is covered with a valve sleeve 44 , and the inner end is engaged with one end of the linkage shaft 43 through an internal spline. The other end of the linkage shaft 43 is engaged with the inner spline of the rotor 19 . Thus forming the basic structure of the hydraulic motor.
[0017] The improvement is that: the other end of the linkage shaft 43 extends an eccentric boss 45 th...
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The invention relates to a built-in integrated valve type braking cycloid hydraulic motor, which belongs to the technical field of hydraulic transmission. A body shell is arranged at one end, and a braking device is arranged at the other end; an eccentric boss is extended from the other end of a universal driving shaft in a housing, a braking seat of the braking device is fixedly connected with a stator, and a step hole which is coaxial with an output shaft is produced therein; when an enclosed cavity is filled with pressure oil, a piston is positioned in the first position, and the eccentric boss is separated from a braking hole; when the enclosed cavity releases the pressure oil, the piston is positioned in the second position, and the eccentric boss is inserted into the braking hole. Therefore, the pressure oil in the enclosed cavity can be released only by controlling an oil passage on the braking seat, and the piston can carry out displacement under the action of a spring, thereby inserting the eccentric boss into the braking hole. The revolution of the universal driving shaft is restricted under the eccentric retardance of the eccentric boss, and the instantaneous braking can be carried out even if the torque is great. Compared with the prior art, the built-in integrated valve type braking cycloid hydraulic motor has simple and compact structure and can significantly reduce the manufacturing cost and the assembly cost.
Description
technical field [0001] The invention relates to a cycloidal hydraulic motor for converting hydraulic energy into mechanical energy, in particular to a built-in integrated valve brake cycloidal hydraulic motor with braking function, which belongs to the technical field of hydraulic transmission. Background technique [0002] The cycloidal hydraulic motor is a traditional device for realizing hydraulic-mechanical energy conversion. Its basic structure can be found in the Chinese patent literature with the patent number ZL 200820035921.1. Its shell or back cover is equipped with a liquid inlet and a return port, one end is equipped with a cycloidal pin wheel pair and a flow distribution mechanism, and the other end is equipped with an output shaft. The rotor of the cycloidal pinwheel pair meshes with the external gear at one end of the linkage shaft through the internal spline, and the other end of the linkage shaft is connected with the output shaft. When working, the flow di...
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IPC IPC(8): F03C2/22
Inventor 纪立群张智敏翁爱光王志生王顺发
Owner ZHENJIANG DALI HYDRAULIC MOTOR