Pneumatic moveable normal closed door type vehicle stopper

2008 
The utility model relates to a pneumatic movable normally closed type car stopper, which can prevent the rope breaking and mine car running away accident. Left and right vertical columns are respectively arranged on the both sides of a coal mineral rail, the left and the right vertical columns are fixedly connected through a cross beam, the cross beam us fixed at the lower part of the coal mineral rail, left and right inclined struts are respectively arranged on lower sides of the coal mineral rails of the left and the right vertical columns, the upper ends of the left and the right inclined struts are respectively fixed at the upper parts of the left and right vertical columns, and the lower ends of the left and the right inclined struts are fixed on cross sleepers, one end of a barrier cross arm which can rotate for 90 degrees is hinged on the right vertical column, the other end of the barrier cross arm is propped against the left vertical column, and the barrier cross arm is blocked between the left and right vertical columns. The pneumatic movable normally closed type car stopper can prevent the personnel casualty accident and property loss caused by the rope breaking and mine car running away accident.
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