Noise reduction assembly for high-pressure large-flow hydraulic element

The noise reduction assembly comprises a fixed seat, a groove is formed in the top of the fixed seat, and a buffer plate is arranged at the position, close to the middle, of an inner cavity of the groove in an attached mode; through mutual cooperation of a placing plate, a trapezoidal limiting rod, a pulling plate, a fourth spring, a round ball, a fixing groove and a fifth spring, a sound insulation groove can be clamped and fixed conveniently, operation is convenient and fast, through arrangement of sound insulation cotton and a vacuum interlayer, effective sound insulation can be conducted on noise, and in addition, the sound insulation effect is good. Through mutual cooperation of a first rack plate, a connecting rod, a second spring, a first damper, a guide block, a second rack plate, a movable gear, a fixed plate, a third spring, a second damper, a trapezoidal block, a circular plate and an L-shaped connecting rod, vibration generated when the equipment body and the pump body work is conveniently buffere