Introduction
YT4-6A hydraulic pusher of the slide structure of the cylinder wall with the front and rear respectively secured to the hydraulic valves with front and rear hydraulic valve, the valve between the two opposite sides of the outer wall of the fixed cylinder with a positioning axis ; cylinder by positioning axes located on the bracket lengthwise hole; holder fixed with the bottom floor, floor close to the rod end of the upward tilt; holder fixed on top of the top seat with choking, choking top seat tilted upper groove structure, and with the horizontal angle of 20 ° -24 °. The utility model design is reasonable, hydraulic liquid injection gun injection fluid and the cylinder separation, push the slide is easy to move the cylinder adjustable at both ends; piston rod connected with the block of coal plates normal contacts, extended equipment life.
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