Timbering equipment for coal mines

Timbering equipment for coal mines

CN
  • CN 102,454,410 A
  • Filed: 10/26/2010
  • Published: 05/16/2012
  • Est. Priority Date: 10/26/2010
  • Status: Active Application
First Claim
Patent Images

1. support apparatus is used in a colliery;

  • It is characterized in that;

    Comprise preceding framed bent, back framed bent, hydraulic pressure propulsion cylinder and hydraulic prop, said preceding framed bent comprises plural front-seat back timber and plural front-seat joist, and said front-seat back timber below is provided with front-seat joist side by side;

    A said front-seat joist connects plural front-seat back timber, and said preceding framed bent below is provided with hydraulic prop;

    Said back framed bent comprises plural back row'"'"'s back timber and plural back row'"'"'s joist, and row'"'"'s back timber below, said back is provided with back row'"'"'s joist side by side, and said back row'"'"'s joist connects plural back row'"'"'s back timber, and framed bent below, said back is provided with hydraulic prop;

    Said front-seat back timber and said back row'"'"'s back timber are provided with at interval, and the said back that said front-seat joist is adjacent with direction of advance is arranged between the joist and is provided with the gap;

    Said hydraulic pressure propulsion cylinder one end connects said preceding framed bent, and the said hydraulic pressure propulsion cylinder other end connects said back framed bent.

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