The enterprise research app shows that recently, the “a recyclable rocket separation multi-stage pneumatic pusher” patent applied for by Beijing Zhongke Aerospace Technology Co., Ltd. was granted. According to the patent abstract, this application relates to the field of aerospace technology, including: a multi-stage pneumatic push rod arranged on the first separator and a propulsion bracket arranged on the second separator; the multi-stage pneumatic pusher includes at least: a base, an outer cylinder, a first extension tube, and an inner cylinder; one end of the base is connected to the inflatable system, and the other end of the base is connected to one end of the outer cylinder; the inner side of the other end of the outer cylinder is provided with an outer cylinder inner retaining ring; the outer side of the first extended cylinder has a first outer stop ring; the inner side of the first extended cylinder has a main inner stopper on the inner side Ring. A first internal retaining ring is provided on the inside of the other end of the first extended tube; The first extended cylinder section is arranged in the outer cylinder; one end of the inner cylinder is provided with an inner cylinder outer retaining ring, the other end of the inner cylinder is provided with an inner cylinder end; and the inner cylinder is arranged in the first extended cylinder section. This application uses a multi-stage push rod structure, optimizes the rocket structure layout, and can guarantee the safety and reuse of recycling sub-stages.

The enterprise research app shows that recently, the “a recyclable rocket separation multi-stage pneumatic pusher” patent applied for by Beijing Zhongke Aerospace Technology Co., Ltd. was granted. According to the patent abstract, this application relates to the field of aerospace technology, including: a multi-stage pneumatic push rod arranged on the first separator and a propulsion bracket arranged on the second separator; the multi-stage pneumatic pusher includes at least: a base, an outer cylinder, a first extension tube, and an inner cylinder; one end of the base is connected to the inflatable system, and the other end of the base is connected to one end of the outer cylinder; the inner side of the other end of the outer cylinder is provided with an outer cylinder inner retaining ring; the outer side of the first extended cylinder has a first outer stop ring; the inner side of the first extended cylinder has a main inner stopper on the inner side Ring. A first internal retaining ring is provided on the inside of the other end of the first extended tube; The first extended cylinder section is arranged in the outer cylinder; one end of the inner cylinder is provided with an inner cylinder outer retaining ring, the other end of the inner cylinder is provided with an inner cylinder end; and the inner cylinder is arranged in the first extended cylinder section. This application uses a multi-stage push rod structure, optimizes the rocket structure layout, and can guarantee the safety and reuse of recycling sub-stages.