Self-restoring type explosion door applied to inclined shaft and horizontal shaft

Self-restoring type explosion door applied to inclined shaft and horizontal shaft

  • CN 105,927,274 A
  • Filed: 06/27/2016
  • Published: 09/07/2016
  • Est. Priority Date: 06/27/2016
  • Status: Active Application
First Claim
Patent Images

1. an inclined shaft and horizontal well self-reset explosion-proof door, it is characterized in that:

  • including;

    on the basis of doorframe (1) is fixed on well head chamber, support column (8) it is fixed with on doorframe, left explosion proof door door leaf (2) and the symmetrical hinge (4) that passes through of right explosion proof door door leaf (3) are connected on support column (8), left explosion proof door door leaf (2) and right explosion proof door door leaf (3) use opposing symmetrical opening ways, it is symmetrically installed with self-locking device (5) on left explosion proof door door leaf (2) and right explosion proof door door leaf (3), the guiding trestle (6) of symmetry is installed outside well head chamber, guiding trestle is fixed with assembly pulley on (6), guiding trestle (6) end is provided with counter weight device weight (7).

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