Friction-free air floating space weightless rotation simulation device
A simulation device and a frictionless technology, which is applied to the simulation device of space navigation conditions, transportation and packaging, space navigation equipment, etc., can solve the problem that the initial motion state of the rotating device cannot be set, the simulation accuracy of weightless rotation in space is not high, and it cannot be controlled Shaft and bearing speed and other issues, to achieve the effect of simple structure, convenient installation and easy maintenance
Active Publication Date: 2015-06-03
SHENYANG INST OF AUTOMATION - CHINESE ACAD OF SCI
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Problems solved by technology
[0002] Among the existing high-precision rotating devices for simulating weightless rotation in space, one is mechanical friction rotation, which causes a large friction loss between the shaft and the bearing, and the simulation accuracy of weightless rotation in space is not high; the other is Although it is air-floating, it is not driven by a non-contact torque motor. This device is improved compared to the previous one, but it cannot control the speed between the shaft and the bearing, and cannot set the initial motion state of the rotating device.
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[0023] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0024] Such as Figure 1~3 As shown, the present invention includes a left shaft support 1, an air-floating main shaft 2, an air-floating shaft sleeve 3, a torque motor stator 4, a torque motor rotor 5, a rotor sleeve 6, a stator pressure ring 7, and a torque motor rotor adapter sleeve 8 , right shaft support 9, left shaft end plate shaft 15, right shaft end plate shaft 10, circular grating 11, reading head 12 and air pipe 14, wherein the left shaft end plate shaft 15 and the right shaft end plate shaft 10 are discs at one end , the other end is a hollow cylinder (the axial section is "T" shape), one end (left end) of the air-floating main shaft 2 and the disk end face of the left shaft end plate shaft 15 are fixed by bolts, and the other end of the air-floating main shaft 2 ( The right end) and the disk end surface of the right shaft end plate shaft 10 are ...
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The invention relates to a device for simulating space weightless rotation, in particular to a friction-free air floating space weightless rotation simulation device. The two ends of an air floating main shaft are connected with a left shaft end plate shaft and a right shaft end plate shaft respectively; the left shaft end plate shaft and the right shaft end plate shaft are mounted on a base body by shaft supports respectively; a shaft sleeve of an air floating shaft sleeves the air floating main shaft; a gap is formed between the shaft sleeve of the air floating shaft and the air floating main shaft; an air pipe which is used for introducing air into the gap is arranged on the left shaft end plate shaft; when a torque motor is powered off, a friction-free state is formed between the air floating main shaft and the shaft sleeve of the air floating shaft; a torque motor rotor rotational connection sleeve is connected with one side of the shaft sleeve of the air floating shaft; a torque motor rotor sleeves the right shaft end plate shaft and is connected with the torque motor rotor rotational connection sleeve; a torque motor stator is mounted on the right shaft end plate shaft by a stator pressing ring; a rotor sleeve is located between the torque motor rotor and the torque motor stator. By the aid of the friction-free air floating space weightless rotation simulation device, the friction force is reduced to the greatest extent; the rotation precision is guaranteed, the structure is simple, the installation is convenient and the maintenance is convenient.
Description
technical field [0001] The invention relates to a device for simulating weightless rotation in space, in particular to a device for simulating weightless rotation in frictionless air-floating space. Background technique [0002] Among the existing high-precision rotating devices for simulating weightless rotation in space, one is mechanical friction rotation, which causes a large friction loss between the shaft and the bearing, and the simulation accuracy of weightless rotation in space is not high; the other is Although it is air-floating, it is not driven by a non-contact torque motor. This device is improved compared to the previous one, but it cannot control the speed between the shaft and the bearing, and cannot set the initial motion state of the rotating device. Contents of the invention [0003] In order to solve the above-mentioned problems existing in simulating weightless rotation in space, the object of the present invention is to provide a frictionless air-flo...
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IPC IPC(8): B64G7/00
Inventor 徐志刚刘勇李峰贺云徐永利童小燕
Owner SHENYANG INST OF AUTOMATION - CHINESE ACAD OF SCI