Colliery cage door

The utility model provides a colliery cage door, includes horizontal pole, chain, the lantern ring, pole setting, and the both ends and the lantern ring of horizontal pole are connected, and the lantern ring overlaps in the pole setting of both sides, and the horizontal pole passes through the chain establishes ties, and the equidistance is fixed, and the material of horizontal pole is 7075 aluminum alloys, and the lantern ring comprises ring inner core and shell, and the shell is made by easy sliding friction and the easy wear -resistant material who changes. The utility model discloses take up with provides the cage door that a weight is light, intensity is high, and the non -deformable card is died, no noise pollution, the sound that collides in the time of can reducing the push -and -pull horizontal pole to can alleviate workman's intensity of labour. 种煤矿罐笼门，包括横杆、链条、套环、立杆，横杆的两端与套环连接，套环套在两侧立杆上，横杆通过链条串联，等距离固定，横杆的材质为7075铝合金，套环由圆环内芯和外壳组成，外壳由易于滑动摩擦且易更换的耐磨材料制成。本实用新型致力于提供种重量较轻、强度高的罐笼门，不易变形卡死，无噪音污染、能够减小推拉横杆时碰撞的声音