Lifting type tunnel excavation support operation rack

• Main Authors: ZHAO GENGLIANG, ZOU SHAOXIANG
• Format: Patent
• Language: Chinese; English
• Published: 16.11.2011
• Subjects: EARTH DRILLING; FIXED CONSTRUCTIONS; GALLERIES; LARGE UNDERGROUND CHAMBERS; MINING; SHAFTS; TUNNELS

The utility model discloses a lifting type tunnel excavation support operation rack, which comprises a main rack. At least four main vertical beams and a plurality of main crossbeams are fixedly connected to form the main rack, traveling wheels are mounted at the bottom of the main rack, sealing mesh pieces are mounted on each layer of crossbeams on the top of the main rack, hand chain hoists are mounted at the front end and the rear end of each layer of main crossbeams on the top of the main rack by the aid of fixing devices, a free lifting platform frame is disposed on the lower portion of the main rack, lifting crossbeams which are transversally and longitudinally arranged are fixedly connected to form the free lifting platform frame, and fixing hooks which are connected with the hand chain hoists by loop chains are disposed on the free lifting platform frame. When used for tunnel excavation and anchor rod construction, the lifting type tunnel excavation support operation rack can realize accurate arrangem