2results about How to "Safe dismantling" patented technology

The application discloses a disassembling device for disassembling a wedge key of a crushing device, which comprises a connecting support fixedly arranged for being connected with the crushing device, and a puller assembly capable of moving relative to the connecting support. The puller assembly comprises a positioning member for holding the wedge key to be disassembled and a pull rod. The connecting support is provided with a movable cavity for accommodating the positioning member. The positioning member is movably arranged in the movable cavity. One end of the pull rod is movably arranged on the connecting support. At least one end of the pull rod extends into the movable cavity and is connected with the positioning member, so as to drive the positioning member to move in the movable cavity, adjust the remaining space in the movable cavity, adapt to different pulling strokes, and disassemble the wedge key.

The utility model provides a vulcanizing machine pressurizing device relates to coal mine downhole vulcanization operation technical field, and especially relates to the pressurization technical field of belt vulcanization operation. A vulcanizing machine pressurizing device, including water supply pipeline, connecting hose and pressurizing gun, the pressurizing gun includes the female pipe, the gun head and pressure gauge, and the pressure gauge and the gun head set up on the female pipe, and the female pipe is connected with water supply pipeline through the connecting hose, and the connecting place of water supply pipeline and connecting hose is provided with main water supply valve, and the connecting place of female pipe and connecting hose is provided with the connector, and is provided with the pressure relief valve on the connector. The utility model discloses the technical scheme overcomes the problem of the existing technology when removing the connecting hose, and the hose under pressure influences the operation safety.