A vane air motor
An air motor and blade technology, applied in the field of high-performance blade air motors, can solve the problems of insufficient output torque, poor sealing performance, low efficiency, etc., and achieve the effects of compact structure, easy processing and high efficiency
Inactive Publication Date: 2017-02-22
ZHEJIANG UNIV
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Problems solved by technology
This type of vane air motor is sealed by a contact line between the vane and the cylinder block, 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 block during rotation, causing the vane The overall wear of the air 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 exit the rotor during rotation, the rotor must have a considerable diameter, which is bound to be large in size and low in specific power. Although there is a double-blade air motor, since there are only two blades, the output torque fluctuates greatly. , the output torque is also undersized
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[0037] The structure of the present invention is as Figure 14 As shown, the rotor 2 is located at the center, the housing 1 is located outside, the gas distribution cone 5 is located in the hollow circular table at both ends of the rotor 2, and the blade 3 is placed in the hollow ring (guide groove) at the opposite corner of the housing 1, and also It is located in the groove of the rotor 2 and forms an angle with the rotor 2. One plane of the vane 3 fits the side of the round table of the oil distribution cone 5. The sealing strip 4 is located between the rotor 2 and the vane 3, and one side of the plane is in contact with the rotor 2 fit, one side of the circular table top is fitted with the circular table surface E1 of the blade 3, and the spacer 6 is located in the hollow ring at the opposite corner of the housing 1, just filling the housing 1, the blade 3, the rotor 2 and the sealing strip 4 formed vacancies.
[0038] figure 1 and image 3 Shown are the shapes of the...
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The invention discloses a high-performance blade pneumatic motor which comprises a shell, a rotor, blades, sealing strips, an air distribution cone and a cushion block, wherein the rotor is located in the center, the shell is located outside, the air distribution cone is located in hollow circular truncated cone surfaces at two ends of the rotor, the blades are installed in a hollow ring at opposite angles of the shell, and are also located in a groove of the rotor, an angle is formed between each blade and the rotor, one plane of each blade is attached to the side surface in the shape of a circular truncated cone of an oil distribution cone, the sealing strips are located between the rotor and the blades, one planar side of each sealing strip clings to the rotor, one side of the circular truncated cone surface of each sealing strip clings to a circular truncated cone surface E1 of the corresponding blade, and the cushion block is located in the hollow ring at the opposite angles of the shell, and just fills a gap formed by the shell, the blades, the rotor and the sealing strips. All sealing parts are of a surface sealing manner, and the high-performance blade pneumatic motor is small in size, large in torque, high in efficiency, large in specific power, compact in structure, relatively easy to process, low in cost, and long in service life.
Description
technical field [0001] The invention relates to an air motor, in particular to a high-performance vane air motor. Background technique [0002] The structure of the existing vane air motor is that the rotor is eccentrically placed in the cylinder body, and the vanes are placed in the rotor radially or at a certain angle with the rotor radius. When working, the vanes are thrown out under the action of springs or air pressure, forming a sealed cavity. This type of vane air motor is sealed by a contact line between the vane and the cylinder block, 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 block during rotation, causing the vane The overall wear of the air 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 exit the rotor during rotation, the rotor must have a considerable diameter, which is bound to be la...
Claims
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IPC IPC(8): F01C1/344
Inventor 陈行
Owner ZHEJIANG UNIV