Movable hydraulic supports for protruded support suspension in coal gallery

• Main Authors: SUOJIANG ZHANG, JINSHENG LIU, JISHEN WANG, DUANZHI MA, DEJUN SONG, ZHUGANG YE
• Format: Patent
• Language: English
• Published: 01.02.2006
• Subjects: EARTH DRILLING; FIXED CONSTRUCTIONS; GALLERIES; LARGE UNDERGROUND CHAMBERS; MINING; SHAFTS; TUNNELS

The utility model relates to a hanging and movable type hydraulic supporting frame for the advanced support for a coal tunnel. The utility model has the main structure that the utility model comprises an upright post, a binding protection beam, a shoulder beam, a telescopic beam, a connecting rod, a bottom shoe, an oil cylinder of the upright post, an oil cylinder of the telescopic beam, a slant-pulling oil cylinder, a suspended hoisting mechanism and a hydraulic control mechanism. A door type structure design is adopted, and a double-upright post secondary telescopic cylinder is used for supporting; a tunnel wall of the binding protection beam is protected and leans; the shoulder beam and the telescopic beams supports the roof; the two-way telescopic oil cylinder is transversely telescopic; the slant-pulling oil cylinder is contracted and positioned so as to be integrally suspended and hoisted to move; the operation of suspension, movement and direction changing is carried out for a sealing type annular I-shaped steel beam. The hydraulic mechanism is steady and has large force; advanced support is carried out in a crossheading coal tunnel; after each oil cylinder extends, the oil cylinder is supported in a door mode; after the oil cylinders are shrunk, the volume of each of oil cylinders is reduced by two times. The suspension and the movement can be carried out on the I-shaped steel beam, and a plurality of I-shaped steel beams can be recycled. The supporting frame has the advantages of good supporting effect, convenient operation and use and safety; besides, each oil cylinder can quickly extend and shrink. The utility model is ideal equipment for the advanced support for a coal tunnel. The supporting frame can also be used for other mine types.