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Gravity unloading device for air floatation supporting three-dimensional active movement

A gravity unloading, three-dimensional technology, which is used in the simulation device of space navigation conditions, transportation and packaging, space navigation equipment, etc., can solve the problem that the microgravity simulation equipment is not suitable for large loads to be unloaded, and achieves high precision and driving response. quick effect

Active Publication Date: 2020-04-21
HARBIN INST OF TECH
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Problems solved by technology

[0004] The present invention aims to solve the problem that the existing microgravity simulation equipment is not suitable for large loads to be unloaded, and further provides a gravity unloading device for three-dimensional active movement of the air bearing support

Method used

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  • Gravity unloading device for air floatation supporting three-dimensional active movement
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  • Gravity unloading device for air floatation supporting three-dimensional active movement

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specific Embodiment approach 1

[0015] Specific implementation mode one: combine Figure 1~4 Describe this embodiment, a gravity unloading device for three-dimensional active movement of an air-floating support, which includes a load-bearing frame, two fixed air-floating guide rails 2 fixed on the top of the load-bearing frame in parallel in the horizontal direction, and one-to-one sliding installation on the top of the load-bearing frame. The first air-floating block 3 on the two fixed air-floating rails 2, the mobile air-floating rail 4 fixed between the two first air-floating blocks 3, the second air-floating rail 4 slidingly installed on the mobile air-floating rail 4 The floating block 5 and the electric cylinder type unloading mechanism 11 fixed on the second air floating block 5, wherein the movement of each air floating block on its corresponding air floating guide rail is realized by a linear motor, and the electric cylinder Type unloading mechanism 11 comprises connection frame 11-1, angle sensor 1...

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Abstract

The invention discloses a gravity unloading device for air floatation supporting three-dimensional active movement, and belongs to the technical field of microgravity simulation equipment. The problemthat existing microgravity simulation equipment is not suitable for large-load unloaded objects is solved. The movement of each air floating block on the corresponding air floating guide rail is realized through a linear motor; an electric cylinder type unloading mechanism comprises a connecting frame, an angle sensor, a tension sensor and an electric cylinder. The connecting frame is fixedly connected to the bottom end of the second air floating block, the angle sensor is horizontally arranged on the connecting frame, the electric cylinder is located below the angle sensor and fixedly connected with the angle sensor through the tension sensor, and an unloaded object is fixedly arranged at the bottom end of the piston rod of the electric cylinder through a steel wire rope. Two-dimensionalmotion is driven by a linear motor, response is fast, precision is high, and the device is suitable for large-scale and heavy-load equipment. A electric cylinder type gravity unloading mechanism is adopted in the vertical direction to complete the gravity unloading task of the experimental equipment.

Description

technical field [0001] The invention relates to a gravity unloading device for three-dimensional active movement of an air flotation support, which belongs to the technical field of microgravity simulation equipment. Background technique [0002] There are many kinds of microgravity simulation equipment, and the common ones are drop tower method, air flotation method, suspension method and so on. Among them, the drop tower method has a short experimental time and high cost, the air flotation method is only suitable for microgravity simulation in a two-dimensional plane, and the suspension method uses a pulley mechanism and steel wire suspension, so the experimental accuracy is low. [0003] Patent 201810449903.6 provides a microgravity simulation method using a combination of pulley block, air bearing, and suck-back plane bearing. Its movement in the horizontal direction is gas-lubricated and has the characteristics of no friction, but its movement depends on the slewing mec...

Claims

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Application Information

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IPC IPC(8): B64G7/00
CPCB64G7/00
Inventor 刘刚峰林博宇刘玉斌樊继壮李长乐赵杰
Owner HARBIN INST OF TECH
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