Hydraulic pressure water injection pumping device
2013
The invention discloses a hydraulic pressure water injection pumping device. The hydraulic pressure water injection pumping device is used for solving the technical problem that an existing reciprocating type pump transmitted by a mechanical crank connecting rod is low in transmission efficiency. According to the technical scheme, the device is composed of a hydraulic oil cylinder and a water injection cylinder, a piston rod of the hydraulic oil cylinder performs reciprocation movement to drive a piston of the water injection cylinder to perform reciprocation movement, the continuous water-intake and water-discharge functions are achieved, the fluid kinetic energy of the hydraulic system is converted into the mechanical energy of the reciprocation movement of the piston of the water injection cylinder, and the power transmission efficiency is effectively improved. In addition, a detachable coupler connected with the piston of the water injection cylinder is of an in-half structure, the piston of the water injection cylinder can be taken out simply through disassembling a hexagonal socket screw, on one hand, the water cylinder box structure provides the working space for disassembling a piston of a water discharge cylinder, and on the other hand, cooling water in the water cylinder body cools the piston of the water injection cylinder. By means of the cooperative functions of the water cylinders and the detachable coupler, the cooling and maintenance of the pistons of the water cylinders are solved.
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