Inner-curve radial plunger hydraulic motor
A hydraulic motor and radial column technology, applied in the field of hydraulic motors, can solve the problem that the hydraulic motor cannot automatically adjust the speed and torque, and achieve the effects of simple structure, low manufacturing cost, and improved service life
Active Publication Date: 2021-01-05
东莞市普林斯机电设备有限公司
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Problems solved by technology
[0004]
The purpose of the present invention is to provide an inner curve radial plunger hydraulic motor to overcome the problem that the hydraulic motor cannot automatically adjust the speed and torque in the prior art
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Embodiment Construction
[0022] see Figure 1-3 As shown, the present invention provides an inner curve radial piston hydraulic motor, including a housing 1, and a first rotor assembly, a second rotor assembly and a variable control assembly installed in the housing 1, the housing The left end of 1 is provided with a left end cover 11, and the right end is provided with a right end cover 12. The left end cover 11 is equipped with a protruding shaft 4 extending to the right end cover 12. The left end of the protruding shaft 4 is provided with a P port and a T port. The inner cavity 1a of the housing 1 communicates with the T port, and a positioning ring 4a is fixed on the outside of the circumference of the protruding shaft 4; The first turntable 6, the second rotor assembly includes a second turntable 3 rotatably connected to the protruding shaft 4 and located on the right side of the positioning ring 4a, the right side of the second turntable 3 is extended with a right end cover 12 The output shaft ...
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The invention discloses an inner-curve radial plunger hydraulic motor. The inner-curve radial plunger hydraulic motor comprises a shell, a first rotor assembly, a second rotor assembly and a variablecontrol assembly; and the first rotor assembly, the second rotor assembly and the variable control assembly are installed in the shell. A left end cover is arranged at the left end of the shell; a right end cover is arranged at the right end of the shell; a convex shaft is installed on the left end cover; and a port P and a port T are formed in the left end of the convex shaft. An inner cavity ofthe shell is communicated with the port T. The first rotor assembly comprises a first rotary disc; the second rotor assembly comprises a second rotary disc; an output shaft is arranged on the right side of the second rotary disc in an extending mode; the variable control assembly comprises a variable spring; a left annular groove is formed in the outer side of the convex shaft; a convex ring is arranged on the left side of the first rotary disc; and a control cavity communicated with the port P is formed in the left annular groove. The variable spring is located between the first rotary disc and a positioning ring. A first radial hole is formed in the first rotary disc in the circumferential direction, and a second radial hole is formed in the second rotary disc in the circumferential direction. The hydraulic motor is simple in structure; and the rotating speed and the torque can be automatically adjusted.
Description
technical field [0001] The invention belongs to the technical field of hydraulic motors, in particular to an inner curve radial plunger hydraulic motor. Background technique [0002] Inner curve radial plunger hydraulic motor is a low-speed high-torque hydraulic motor often used in construction machinery, mining equipment and other industries. Since the plunger of the hydraulic motor reciprocates multiple times in each revolution, the working volume of a single rotation is large, and the number of plungers is large, which can effectively disperse the working force of each plunger and has a strong The ability to withstand impact and high pressure characteristics. [0003] The inner surface of the stator of the existing inner curve radial plunger hydraulic motor is a wavy curved surface, which is formed by connecting many individual concave arc surfaces end to end, such as the invention of Chinese patent No. 201010197277.X The invention patent named "inner curve multi-action...
Claims
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IPC IPC(8): F03C1/047F03C1/40
CPCF03C1/047F03C1/0447Y02E10/20
Inventor 李宗贤王先菊
Owner 东莞市普林斯机电设备有限公司