Single-ball type air floatation pulley device combining air floatation ball bearing and air floatation plane thrust bearing

A technology of plane thrust bearings and ball bearings, which is applied in the field of aerospace, can solve the problems that the accuracy of zero-gravity simulation cannot be improved, and achieve the effects of reducing friction, avoiding body axis tilt, and improving accuracy

Active Publication Date: 2021-09-24
HARBIN INST OF TECH
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  • Description
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  • Application Information

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Problems solved by technology

[0006] The purpose of the present invention is to solve the problem that the zero-gravity simulation accuracy in the vertical direction of the traditional counterweight method cannot be improved due to the influence of friction in the spacecraft ground simulation test, and provides a combination of air bearings and air bearings. Single-ball air-floating pulley device for floating plane thrust bearing

Method used

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  • Single-ball type air floatation pulley device combining air floatation ball bearing and air floatation plane thrust bearing
  • Single-ball type air floatation pulley device combining air floatation ball bearing and air floatation plane thrust bearing
  • Single-ball type air floatation pulley device combining air floatation ball bearing and air floatation plane thrust bearing

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specific Embodiment approach 1

[0018] Specific implementation mode one: the following combination Figure 1 to Figure 4 This embodiment is described. A single-ball air-bearing pulley device combined with an air-floating ball bearing and an air-floating plane thrust bearing in this embodiment includes an air-floating rotary ball assembly 1, an air-floating rotary ball-and-socket assembly 2 and a rotary Side air bearing thrust support assembly 3;

[0019] The air-floating revolving ball assembly 1 is located on the air-floating revolving ball-and-socket assembly 2, and both sides of the air-floating revolving ball assembly 1 are clamped and supported by the air-floating thrust support assembly 3 on the revolving side.

[0020] see figure 1 Shown is the single-ball type air-floating pulley device described in this embodiment. The air-floating rotary ball assembly 1 and the air-floating rotary ball-and-socket assembly 2 are connected in an air-floating manner, and the air-floating rotary ball assembly 1 is con...

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Abstract

The invention discloses a single-ball type air-floating pulley device combining an air floation ball bearing and an air floation plane thrust bearing, belongs to the field of space flight and aviation, and aims to solve the problem that the zero-gravity simulation precision in the vertical direction in a spacecraft ground simulation test by a traditional counterweight method cannot be well improved due to the influence of friction. The device comprises an air floatation rotation ball assembly, an air floatation rotation ball socket assembly and a rotation side air floatation thrust supporting assembly. The air floatation rotating ball assembly is located on the air floatation rotating ball socket assembly, meanwhile the two sides of the air floatation rotating ball assembly are clamped and supported by the rotation side air floatation thrust supporting assembly.

Description

technical field [0001] The invention relates to a technology for reducing friction in a zero-gravity simulation test, and belongs to the field of aerospace and aviation. Background technique [0002] With the continuous development of aerospace technology, the weight and volume of spacecraft continue to increase, the structure becomes more and more complex, and the functions are constantly improved. The tasks that the same spacecraft needs to perform are also becoming more and more diverse. Therefore, in order to ensure that the spacecraft can operate safely and stably in orbit, and at the same time be able to complete the scheduled tasks well and achieve the expected technical indicators, it is necessary to carry out a large number of ground simulation tests during the design and development of the spacecraft. verify. Moreover, as the functions of the spacecraft are becoming more and more perfect, in order to comprehensively assess the spacecraft in all aspects, the requir...

Claims

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Application Information

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IPC IPC(8): B64G7/00
CPCB64G7/00
Inventor 冯文煜霍明英于泽赵策李铮齐乃明林桐
Owner HARBIN INST OF TECH
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