Use lotion propellant a lot of continuous feeding device of solid propellant as power supply

The utility model discloses an use lotion propellant a lot of continuous feeding device of solid propellant as power supply, impel the bottom adherence of cylinder body to pour solid propellant, the cylinder body impels the piston and impels cylinder body sliding sealed fit, the one end that impels the piston is connected with the propulsion piston rod, two screens round pin symmetries set up at the lateral wall that impels the piston rod, and pass the propulsion piston rod, pass through spring coupling between two screens round pins, it connects in the drum to impel the piston rod to stretch into, and it is gapped with the inner wall of being connected the drum, advance the cylinder body and the bottom of outer cylinder body to link firmly, the piston links firmly with promoting mainly into to connect the drum, promote mainly into piston and outer cylinder body sliding sealed fit, storage tank piston and lotion propellant storage box sliding sealed fit, it passes through the transfer line with the storage tank piston and is connected to promote mainly into the piston, the internal solid propellant who is provided with more than two or two of outer shell impels the unit. The utility model discloses simple structure, and operating condition safety, can be reliable be applied to lotion propellant rocket engine.