Self-restoring type explosion door applied to inclined shaft and horizontal shaft
An explosion-proof door and self-returning technology, which is applied in the direction of anti-war damage, mining equipment, mining equipment, etc., can solve the problems of irreparable use, blasting away from the wellhead, and increasing the accident rate of coal mines, etc., to achieve the guarantee of reset function and small air leakage Effect
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[0016] The present invention will be further described below in conjunction with accompanying drawing and specific embodiment:
[0017] A self-resetting explosion-proof door for inclined shafts and flat shafts, such as figure 1 , 2 , 3 and 4, including: the door frame 1 is fixed on the foundation of the wellhead chamber, the door frame is fixed with a support column 8, the left explosion-proof door leaf 2 and the right explosion-proof door leaf 3 are symmetrically connected to the support column 8 through the hinge 4, The left explosion-proof door leaf 2 and the right explosion-proof door leaf 3 are opened symmetrically, the left explosion-proof door leaf 2 and the right explosion-proof door leaf 3 are symmetrically installed with a self-locking device 5, and a symmetrical guide bracket 6 is installed on the outside of the wellhead chamber. A block of pulleys is fixed on the guide bracket 6 , and a counterweight device weight 7 is arranged at the end of the guide bracket 6 . ...
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