Carrier rocket and combination device for sub-stage separation and attitude control of carrier rocket

Abstract

The invention provides a carrier rocket and a combination device for sub-stage separation and attitude control of the carrier rocket. The combination device is arranged on a separation sub-stage, andcomprises a gas bottle, a separation impulse unit, an attitude control unit and a switch, wherein the separation impulse unit is arranged on a gas bottle gas supply pipeline, and comprises a gas cylinder, a pneumatic push rod is arranged on the gas cylinder, the pneumatic push rod can transmit the acting force to a force transmission support of the upper-stage rocket body, the attitude control unit is arranged on the gas bottle gas supply pipeline and comprises a plurality of spray pipes, and the switch is used for controlling whether the gas bottle communicates with the separation impulse unit and the attitude control unit or not. The combination device is simple in principle, novel in structure and high in universalization, has the functional expansibility, is reliable in work and low inproduct cost, and has wide engineering application prospect on the carrier rocket.

Description

technical field [0001] The invention belongs to the field of rocket carriers, and relates to a functional device of the carrier, in particular to a separation impulse supply device required for rocket body separation and a device for controlling the attitude of the separation sub-stage during recovery after separation. Background technique [0002] With the continuous advancement of technology, the launch vehicle is evolving from a one-time use method to a multiple-use method. For a multi-stage launch vehicle, the sub-stage is separated from the upper stage after the propellant is exhausted. If the separated sub-stage can return to the ground safely and can be reused after slight modification, this is an effective method for multiple reuse of the launch vehicle. Way. [0003] In order to avoid the adverse effect of the separation action of the launch vehicle on the separated sub-stage, the launch vehicle for sub-stage recovery and reuse should choose the cold separation met...

AI Technical Summary

Problems solved by technology

During the sub-stage separation process, the plume generated by the ignition of the small solid rocket will seriously wash away the separated sub-stage rocket body, seriously affecting the reuse of the separated sub-stage rocket body after recovery

In addition, small solid rockets are pyrotechnic products, which have the disadvantage of undetectable performance. The only way to increase the production quantity of pyrotechnic products in the same batch, and then extract a sufficient number of products for ground ignition tests, is to circumvent the solid state rockets involved in the flight test. The working performance of the small rocket

such expendable tests are extremely expensive, and it is still impossible to directly detect the working performance of solid rockets actually used in flight tests

Moreover, pyrotechnic products are produced by professional manufacturers, so it is very difficult to reduce the cost

At present, there is no device in China to recover the attitude control of the sub-level rocket body

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