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Adjustable and controllable support platform mechanism

A technology for supporting platforms and platforms, which is applied in the directions of astronauts and astronauts in space vehicles, etc., to achieve the effects of convenient operation, compact structure and convenient carrying.

Inactive Publication Date: 2013-12-25
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide an adjustable support platform mechanism to solve the problem in the current aerospace field that it is impossible to realize that astronauts can adjust three degrees of freedom when working outside the space station and can support astronauts to carry out extravehicular operations.

Method used

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  • Adjustable and controllable support platform mechanism
  • Adjustable and controllable support platform mechanism
  • Adjustable and controllable support platform mechanism

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Experimental program
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specific Embodiment approach 1

[0012] Specific implementation mode one: combine figure 1 , figure 2 with image 3 Describe this embodiment. The platform mechanism of this embodiment includes a yaw joint 1, a roll joint 2, and a pitch joint 3. The yaw joint 1 includes a flat plate 1-1, a left pedal 1-2, and a left pedal spring 1-3. , the first box 1-4, the first worm gear 1-5, the first connecting rod 1-8, the rack 1-9, the rack guide rail 1-10, the first pulley 1-11, the first transmission mechanism 1- 12, the first rope 1-13, the right pedal 1-14, the right pedal spring 1-15, the second pulley 1-16, the first spring 1-17 and the first worm 1-18;

[0013] The roll joint 2 includes a second connecting rod 2-1, a rod frame 2-2, a second pawl 2-3, a third pawl 2-4, a ratchet 2-5, a transmission shaft 2-6, and a rod 2- 7. Cam 2-8, second worm 2-9, first gear 2-10, support shaft 2-11, second worm wheel 2-12, second gear 2-13 and second box 2-14;

[0014] The pitch joint 3 includes a support 3-1, a rotating ...

specific Embodiment approach 2

[0019] Specific implementation mode two: combination figure 2 with image 3 To illustrate this embodiment, the rod frame 2-2 of this embodiment is formed by connecting the oblique rod 2-2-1, the horizontal rod 2-2-2 and the vertical rod 2-2-3 sequentially end to end, and the oblique rod 2-2- The angle between 2-1 and the horizontal rod 2-2-2 is an acute angle, and the advantage of this structure is that the vertical up and down movement of the first connecting rod 1-8 is transformed into the left and right swing of the vertical rod 2-2-3, Thereby drive ratchet and ratchet to take effect. Other implementation manners are the same as the specific implementation manner 1.

[0020]Working principle: the yaw joint 1 drives the first rope 1-13 by stepping down on the right pedal 1-14 so that the inner ring gear 1-12-1 is driven by the rack 1-9 to wind around the first worm 1- 18 rotates, and at the same time, due to the ratchet pawl structure formed by the inner ring gear 1-12-1...

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Abstract

The invention discloses an adjustable and controllable support platform mechanism, which relates to a support platform mechanism and solves the problems that three degrees of freedom cannot be adjusted when an astronaut works outside a cabin of a space station and the astronaut cannot be supported to do out-cabin work in the field of aerospace at present. A second pulley is fixedly connected to a flat plate, a right foot pedal is hinged with a first rope, the first rope is connected with a rack, the rack is matched with a rack track in a sliding mode, outer teeth of an inner gear ring are meshed with the rack, a sleeve is hinged with a first pawl, the first pawl is meshed with the inner gear ring, a first worm is meshed with a first worm wheel, a first connecting rod is hinged with a second connecting rod, the second connecting rod is hinged with a rod frame, the rod frame is rotationally connected with a transmission shaft, rod pieces are fixedly connected with a second box body, a second pawl and a third pawl are both hinged to the rod frame, are respectively matched with a ratchet wheel and are both attached to a cam, a second gear is meshed with a first gear, and a worm is meshed with a worm wheel. The adjustable and controllable support platform mechanism is used for the astronaut to work outside the cabin of the space station.

Description

technical field [0001] The invention relates to a supporting platform mechanism, which is a mechanical device that can be used for auxiliary operations outside carriers such as space stations. Background technique [0002] When astronauts work outside the cabin of the space station, they need a support platform that can constrain their position to assist the astronauts to complete the extravehicular operations. It is necessary to adjust the pose of the supporting platform by itself. Therefore, the supporting platform should be equipped with an adjustable pose structure controlled by astronauts. The portable adjustable support platform mechanism can be carried by astronauts and installed on the extravehicular interface of the space station. Adjust pose requirements. Contents of the invention [0003] The purpose of the present invention is to provide an adjustable support platform mechanism to solve the problem in the current aerospace field that it is impossible for ast...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B64G1/60
Inventor 陶建国邓宗全杨飞孙浩
Owner HARBIN INST OF TECH