On-orbit launching device

A launching device and guide rail technology, which is applied in electromechanical devices, launching systems, transportation and packaging, etc., can solve the problems of frequent replacement of sealing strips, high requirements for each link, and many supporting facilities, so as to improve energy utilization and avoid process difficulties , using a wide range of effects

Active Publication Date: 2019-03-15
SHENYANG INST OF AUTOMATION - CHINESE ACAD OF SCI
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Problems solved by technology

The steam catapult is the most common ejection equipment used in active spacecraft, but it is composed of a launch system, a steam system, a towline tensioning system, a lubrication and a control system, etc., and it is bulky and complex
This makes it have some inevitable defects from the beginning: (1) high cost of use, low efficiency, many supporting facilities, cumbersome system, and high requirements for each link; (2) high maintenance cost, frequent and cumbersome replacement of sealing strips , has higher requirements on materials; (3) consumes a lot of fresh water

Method used

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Embodiment Construction

[0028] The present invention will be described in detail below in conjunction with the accompanying drawings.

[0029] The essence of electromagnetic drive technology is to apply a changing electric field to the coil to generate a changing magnetic field, and the changing magnetic field will generate an electromagnetic force on the ferromagnet located therein to drive it to move. The electromagnetic driving scheme designed in the present invention is designed according to the needs of specific experiments. According to the required thrust, ejection speed and energy consumption of the bullet launcher, it is planned to use the principle of linear induction motor to design the overall structure and electromagnetic system of the bullet launcher based on the principle of electromagnetic ejection.

[0030] The structure of the on-orbit launching device designed by the present invention is as follows: Figure 1-4 As shown, the main body of the device is a three-dimensional permanent...

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Abstract

The invention discloses an on-orbit launching device, belonging to the technical field of on-orbit launching of aerospace. The device takes a permanent magnet linear synchronous motor as a main body and comprises a mover assembly and a stator assembly. The mover assembly comprises an I-shaped carriage, a mover permanent magnet array and a mover guide rail, wherein the mover permanent magnet arrayis embedded on the I-shaped carriage. The stator assembly includes a support beam member, a stator winding array, and a stator guide rail, wherein the support beam member is used for fixing the statorwinding array. The cooperation of the stator guide rail and the mover guide rail enables the mover assembly to slide along the direction of the stator guide rail. There is a gap between the mover permanent magnet array and the stator winding array in the corresponding position, the gap being an air gap. The on-orbit launching device is simple in structure and high in reliability, has a large launching radius, and can be repeatedly loaded for use.

Description

technical field [0001] The invention relates to the technical field of aerospace on-orbit launch, in particular to an on-orbit launch device. Background technique [0002] The application prospect of electromagnetic launcher in aerospace field is very broad. The steam catapult is the most common ejection equipment used in active spacecraft, but it is composed of a launch system, a steam system, a towline tensioning system, a lubrication and a control system, etc., and is bulky and complex. This makes it have some inevitable defects from the beginning: (1) high cost of use, low efficiency, many supporting facilities, cumbersome system, and high requirements for each link; (2) high maintenance cost, frequent and cumbersome replacement of sealing strips , higher requirements on materials; (3) need to consume a lot of fresh water. With the increasing requirements of modern aerospace technology for combat capability, it is urgent to study new ejection equipment to replace the t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K41/03B64G1/00
CPCH02K41/031B64G1/002
Inventor 刘金国丁建佟玉闯
Owner SHENYANG INST OF AUTOMATION - CHINESE ACAD OF SCI
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