Cycloidal gear type safety clutch based on hydraulic torque transmission
A technology of transmitting torque and clutch, applied in the field of hydraulic components, can solve the problems of mechanical action error, change of transmission torque limit value, shortened service life of safety clutch, etc., to achieve good stability, high accuracy and simple structure. Effect
Inactive Publication Date: 2015-05-20
阜新精工液压有限公司
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Problems solved by technology
The commonly used torque transmission structure forms of traditional safety clutches are friction plate type and fitting type, while the control forms are spring compression type, electromagnetic type, hydraulic type and pneumatic type, and the hydraulic type is to transmit torque by friction plate, and Controlled by hydraulic pressure, the above-mentioned various forms of safety clutches will cause serious wear and tear on the friction plates and fittings as the environmental conditions change, and the limit value of the transmission torque will also change, so it is difficult to meet a more precise limit torque. requirements, resulting in errors in mechanical actions, and at the same time shortening the service life of the safety clutch
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[0010] Examples, see attached figure 1 , 2 The shaft 4 is installed in the coaxial center hole of the clutch body 3, the end cover 2 6 and the end cover 1 5 of the cycloidal gear type hydraulic torque transmission safety clutch, and a pendulum is fixed on the shaft 4 in the clutch body 3. A cycloidal-toothed inner rotor 2, a cycloidal-toothed outer rotor 1 is installed in the eccentric inner hole of the clutch main body 3, and the cycloidal-toothed inner rotor 2 and the cycloidal-toothed outer rotor 1 are meshed for transmission connection. Clutch main body 3, cycloid-tooth outer rotor 1, cycloid-tooth inner rotor 2, end cover 2 6, end cover 1 5 form closed space 2B and closed space 1A, and end cover 2 6, end cover A hydraulic unloading valve 7 is installed between the corresponding enclosed space 2B and the enclosed space 1A on the first 5.
[0011] The working principle of the cycloidal gear type hydraulic torque transmission safety clutch is: when the clutch 3 rotates clo...
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The invention belongs to hydraulic components and parts and particularly relates to a cycloidal gear type safety clutch based on hydraulic torque transmission. The cycloidal gear type safety clutch comprises a clutch body (3), a first end cover (5), a second end cover (6) and a shaft (4). The shaft (4) is installed in concentric holes in the clutch body (3), the second end cover (6) and the first end cover (5). The portion, located in the clutch body (3), of the shaft (4) is fixedly provided with a cycloidal tooth profile inner rotor (2), a cycloidal tooth profile outer rotor (1) is installed in an eccentric inner hole of the clutch body (3), and the cycloidal tooth profile inner rotor (2) is in meshed transmission connection with the cycloidal tooth profile outer rotor (1). A closed space II B and a closed space I A are defined by the clutch body (3), the cycloidal tooth profile outer rotor (1), the cycloidal tooth profile inner rotor (2), the second end cover (6) and the first end cover (5), and hydraulic unloading valves (7) are installed on the second end cover (6) and the first end cover (5) corresponding to the closed space II B and the closed space I A. The cycloidal gear type safety clutch based on hydraulic torque transmission is simple in structure, safe and reliable, good in torque transmission stability and high in accuracy.
Description
technical field [0001] The invention belongs to hydraulic components, in particular to a cycloid gear type hydraulic torque transmission safety clutch. Background technique [0002] The safety clutch is used to accurately limit the transmitted torque. When the torque of the driven part exceeds a certain limit value, it is a protective clutch. When the torque of the driven part does not exceed the limit value, it has the joint transmission torque The function of the safety clutch is mainly used in the transmission system where a large overload may occur during the mechanical work process. The commonly used torque transmission structure forms of traditional safety clutches are friction plate type and fitting type, while the control forms are spring compression type, electromagnetic type, hydraulic type and pneumatic type, and the hydraulic type is to transmit torque by friction plate, and Controlled by hydraulic pressure, the above-mentioned various forms of safety clutches w...
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IPC IPC(8): F16D43/28
Inventor 成健威王雅辉
Owner 阜新精工液压有限公司