[Tianjin-strong high-pressure pump Co., Ltd. to recommend the star product - high-pressure pump high-pressure piston pump]: High pressure piston pump used in petroleum, chemical, fertilizer industry as a flow pump, metallurgy, rolling mill of the high-pressure water descaling , construction, shipbuilding, sugar, paper, chemical and other industries of high-pressure water cleaning cleaning, oil field water, boiler feed water, hydraulic machinery, power source, as well as food, pharmaceutical and other parts of the need to generate high-pressure liquid jet grouting pile driver, the transmission medium solids-free fluid. GZB-40C-pressure injection pump injection pump piston stroke parameters: 100mm Ratio: 1 = 7.2545 piston strokes per: 169 times the suction pipe diameter: 50mm diameter discharge pipe: 16 ~ 25mm piston diameter: 45, 50, 55mm output flow: 96,99,110L / Min rated pressure: 42,40,35Mpa (with 90kw motor) 35,30,28Mpa (with 75kw motor) 25,22,20Mpa (with 55kw motor) Motor type: YCT335-4C maximum motor speed: 1340r / Min Dimensions: 3050 * 1800 * 1150mm Machine weight: 3000kg crankshaft diameter of 133mm, which is not easy to wear brand Churning Pile easy damage; W type transmission, not damaged, does not affect the scene engineering process; forging ensure the life of the pump head. Soft Rock Tunnel horizontal jet grouting methods: by controlling the first bracket and the second supporting frame synchronization of the movable body about a longitudinal axis to vary the spray boom of construction location, repeat steps ( 1) to (3) to obtain a plurality of first type drilling as well as a first-shaped stiffening member is inserted in a first type of jet grouting pile anchor pile, so that adjacent to the first type of pile in the radial direction direction partly overlap, so that the plurality of first type at least part of the edge of the pile in the tunnel to be formed to construct the first curtain system; (5), by controlling the first bracket and the second carriage Synchronization can move around the fuselage longitudinal axis to vary the spray boom of construction location, repeat steps (1) to (2) to further obtain a plurality of first type and a first type drilling piles, so that adjacent portions of the first type of pile overlap in the radial direction, so that at least part of the edge of said plurality of first type of pile to be formed in the tunnel construction of a second curtain system, the first curtain System and the second curtain system combined into a monolithic curtain system