Large-shaft-diameter shaft flow distribution cycloid hydraulic motor
A cycloid hydraulic motor and shaft distribution technology, which is applied in the field of cycloid hydraulic motors and large shaft diameter shaft distribution cycloid hydraulic motors, can solve problems such as inability to meet market demands.
Inactive Publication Date: 2018-01-19
ZHENJIANG DALI HYDRAULIC MOTOR
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Problems solved by technology
[0004] As far as the applicant knows, the application of the existing medium-sized shaft valve distribution cycloidal hydraulic motors is developing rapidly, mainly including the OMH series of Denmark DANFOSS, the MH series of Bulgarian M+S, and the BMH series of the applicant company. The valve distribution cycloid hydraulic motor has a compact SAE A-type standard Φ82.55 seam or a similar Φ80 seam, and its output shaft diameter is generally up to Φ38.1, which cannot meet the requirements of the output shaft diameter larger than Φ38.1 Market demand, especially the motor needs to have a structure to withstand radial force
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Embodiment 1
[0018] In this embodiment, a cycloidal hydraulic motor with a large shaft diameter shaft distribution is proposed on the premise of maintaining the original installation size, and a shaft valve distribution with a large shaft diameter output diameter of the output shaft and a medium-sized structure with radial force bearing capacity is proposed. Cycloidal hydraulic motor, the motor has a compact structure, the displacement ranges from 160 to 630 ml / rev, and the maximum displacement can reach 800 ml / rev, its basic structure is as follows figure 1 As shown, it mainly includes an output shaft 2, a front cover 4, a body shell 8, a linkage shaft 9, a spacer 10, a rotating stator pin wheel pair, a rear cover 14, etc., wherein the cycloid pin wheel meshing pair consists of a rotor 11, a stator 13 and Composed of pin teeth 12, the stator 13, the partition plate 10 and the rear cover 15 are fixedly connected to the body shell 8 by bolts 16, thereby forming seven high and low pressure oi...
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The invention relates to a large-shaft-diameter shaft flow distribution cycloid hydraulic motor, and belongs to the technical field of hydraulic transmission. The motor comprises a body shell with a installing and fixing flange surface, an output shaft structure of torque output arranged in the body shell, a rotor stator pair, a flow distribution system and a rear cover, wherein the rotor stator pair, the flow distribution system and the rear cover are fixedly connected with the body shell through connecting bolts; the flow distribution system allows an oil liquid to enter and exit the innercavity of the motor; concentric circular holes are formed in the body shell; the concentric circle holes are matched with the flow distribution shaft diameter of the output shaft and the output shaftfront supporting bearing respectively; the front supporting bearing is a full complement cylindrical roller bearing; and the front cover is provided with an x-shaped sealing ring device for carrying out rotary sealing on the output shaft. According to the large-shaft-diameter shaft flow distribution cycloid hydraulic motor, a larger output shaft diameter can be applied, the requirements of bearinglarge radial force and large axial force can be met, and the product is good in manufacturability and high in cost performance.
Description
technical field [0001] The invention relates to a cycloid hydraulic motor which converts hydraulic energy into mechanical energy, in particular to a cycloid hydraulic motor with a large-shaft-diameter shaft distribution and belongs to the technical field of hydraulic transmission. Background technique [0002] The cycloidal hydraulic motor is a low-speed high-torque motor, which has the advantages of small size, high unit power density, high efficiency, and wide speed range, so it has been widely used, and it will be more widely used with the improvement of industrial and agricultural development. [0003] The basic structure of this type of device is that the body shell or the back cover is formed with a liquid inlet and a return port, and one end is equipped with a cycloidal pinwheel meshing pair and a flow distribution mechanism. The flow distribution mechanism can be placed before or after the cycloidal pinwheel meshing pair. Generally, the shaft valve distributes flow i...
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IPC IPC(8): F03C2/08
Inventor 王志生张常青
Owner ZHENJIANG DALI HYDRAULIC MOTOR