Pressure-operated glider connecting-separating device of water rocket boosting glider

Abstract

The invention provides a pressure-operated glider connecting-separating device of a water rocket boosting glider. The pressure-operated glider connecting-separating device comprises a connecting base, a connecting sliding block and a piston-spring mechanism. The connecting base is provided with a connecting sliding groove matched with the connecting sliding block in the vertical direction. The piston-spring mechanism comprises a soft gas circuit connector, a cylinder-piston assembly, a tension spring, a tension spring fixed hanging rod, a tension spring movable hanging rod, a tension spring movable hanging rod limiter and a carbon fiber bolt; the soft gas path joint is connected to the soft gas path; the cylinder-piston assembly is composed of a cylinder barrel and a piston, the tension spring fixed hanging rod is fixedly arranged on the upper portion of the outer wall of the cylinder barrel, and the tension spring movable hanging rod is connected to the working tail end of the piston; the tension spring is hung between the tension spring fixed hanging rod and the tension spring movable hanging rod; the tension spring movable hanging rod limiter is arranged at the lower part of the cylinder barrel; and the upper end of the carbon fiber bolt is fixed on the tension spring movable hanging rod. The device provided by the invention can work independently; the reliability and the action triggering precision are high; and the design requirements of moisture resistance and water pressure impact resistance are met.

Description

technical field [0001] The invention belongs to the technical field of power aviation, and in particular relates to a pressure-type glider connection-separation device for a water rocket-assisted glider. Background technique [0002] The water rocket assisted glider is a common combined power aviation model. This model is mainly composed of three parts: a water rocket, a fixed-wing glider, and a connection-separation device between the two. One of the main competition items of the Air Vehicle Design Challenge. [0003] The working process of the water rocket-assisted glider is similar to that of the launch vehicle: in the boosting ascent phase, the water rocket carries the glider into the sky and separates the glider at the highest point of the water rocket’s flight trajectory; in the descent phase, the water rocket separates the glider Afterwards, the parachute is opened to achieve a soft landing, and the glider performs flight tasks under the control of the pilot or algo...

AI Technical Summary

Problems solved by technology

The disadvantage of the glider connection-separation device in this scheme is that the connection between the timer connecting rod and the elastic rope is unstable, and it is difficult to simultaneously realize stable carrying and accurate release near the highest point during the ascent process; the torsion spring itself has a idling stroke difference, Before each flight, it is necessary to rely on the operator's experience to manually set the timer, and the action triggering accuracy is low and the repeatability is poor; through actual flight measurements, the average time error of this type of device to perform the glider separation action is about 1 second, and the maximum time error can reach 5 seconds

Although the glider connection-separation device in this scheme has good action execution accuracy, its disadvantages are: the device system needs to include sensors, actuators, control boards, power supplies, etc., and the system is bulky and complicated; COTS devices generally do not have special waterproof treatment. The integrated design of machine, electricity and waterproof is required, the system is complicated and the cost is high

[0014] Therefore, it is difficult for the glider connection-detachment devices used in the prior art for water rocket-assisted glider to meet the above requirements at the same time: ① can work autonomously and independently; Three Basic Design Requirements

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