Spray pipe plug cover structure for solid-liquid rocket engine ground test
A ground test, solid-liquid rocket technology, applied in the direction of rocket engine devices, machines/engines, mechanical equipment, etc., can solve the problems that are not conducive to the study of ignition and start-up performance, difficult control of nozzle rupture pressure, poor repeatability, etc., to achieve consistency Good, high accuracy, easy processing effect
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[0021] specific implementation plan
[0022] Below in conjunction with accompanying drawing, the patent of the present invention is described further.
[0023] The nozzle capping structure for the ground test of the solid-liquid rocket engine of the present invention is provided with a diaphragm 2 and a nozzle cap 3 in turn at the end of the nozzle 1, such as figure 1 shown.
[0024] The nozzle cap 3 is an annular plate structure made of 304 stainless steel, and the diameter of the inner ring is equal to the diameter of the nozzle outlet; the inner surface of the nozzle cap 3 is located at the inner ring and is designed with a concave part to form a stepped hole surface. The end of the nozzle 1 and the diaphragm 2 are embedded in the concave part, and the positioning is realized by the stepped hole surface. At the same time, there is a sealing groove on the outer edge of the bottom surface of the concave part, and the inside is used to place an O-shaped rubber sealing ring t...
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