High performance hydraulic motor

A hydraulic motor, high-performance technology, applied in the field of hydraulic motors, can solve the problems of poor sealing performance, low output torque, low specific power, etc., and achieve the effect of easy processing, low cost and large torque

Inactive Publication Date: 2009-04-29
NINGBO HOYEA MACHINERY MFG +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] The structure of the existing vane hydraulic motor is that the rotor is eccentrically placed in the cylinder body, and the radial direction of the vane is placed in the rotor at a certain angle with the radius of the rotor. When working, the vane is thrown out under the action of the spring or oil pressure to form a seal with the cylinder body. Cavity, this type of vane hydraulic motor is sealed by a contact line between the vane and the cylinder body, so the

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[0025] figure 1 a and figure 1 b shows the shape of the blade 3 and the sealing strip 4 of the present invention. The blade 3 is approximately semicircular and has the same two pieces. A1 and B1 are parallel planes. The width of the blade 3 is the same as that of the hollow ring of the shell 1 in Figure 3b. C1 is the center of the O1 radius and the column of the shell 1. The surface E3 is a cylinder with the same radius, D1 is a sphere with the center of O1 and the radius of the rotor 2 ball table C2 is the same, E1 is a cylinder, and the E1 cylinder is centered on the axis of symmetry through the center of O1 and O1K1 is the radius.

[0026] There are four sealing strips 4 in total, one of which is a cylindrical surface with the same radius as the cylinder surface E1 of the blade 3 on the upper side, and a plane on the lower side. The vertical distance between the center of the sphere O1 and the plane is half the thickness of the plate of the rotor 2, G1 It is a spherical surf...

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Abstract

The invention discloses a high-performance hydraulic motor, which comprises a casing, a rotor, two blades, four sealing strips, and two cushion blocks. all the sealing places of the motor are surface sealing, and the motor has the advantages of large displacement, high pressure and efficiency, large specific power, compact structure, easy machining, lower cost and long service life.

Description

technical field [0001] The invention relates to a hydraulic motor, in particular to an overall scheme design of a novel high-performance vane hydraulic motor. Background technique [0002] The structure of the existing vane hydraulic motor is that the rotor is eccentrically placed in the cylinder body, and the radial direction of the vane is placed in the rotor at a certain angle with the radius of the rotor. When working, the vane is thrown out under the action of the spring or oil pressure to form a seal with the cylinder body. Cavity, this type of vane hydraulic motor is sealed by a contact line between the vane and the cylinder body, so the sealing performance is poor, the output torque is low, and there is a lot of friction between the vane, the rotor and the cylinder body during rotation, As a result, the overall wear of the vane hydraulic motor is fast, the life is short, and the efficiency is low. In addition, in order to ensure that the blades can safely enter and ...

Claims

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Application Information

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IPC IPC(8): F03C2/00F04C2/344F15B15/08
Inventor 陈行
Owner NINGBO HOYEA MACHINERY MFG
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