New Tvpe Intearal adiustable advanced hvdraulic support(patent no.:ZL 201921583795.8)	Cross walking self moving forepoling roof support

workina face end is the largest stress roadway forepole area, using the positionable forepoling with sup-porting strength, the strength of the support structure and the characteristics of hiah stiffness:

since the movable support with a four bar linkage, has the characteristics of moving shelf stability, fast;

since positionable forepoling decorate in the gob side to cut the top.

in order to adapt to different roadway cross section shape, can decorate crossbeam in the upper portionof the supportbeam, the roadway roof beam contact, increase the contact area of roof and support of roadwalcross section shape ofthe tilt adaptability.

Through the above mentioned features, realize timely support to safety exit.