Rig substructure joins in marriage emergency exit and safe chain device with big door pillar

• Main Authors: JIANG QINGLING, XU CHANGZHENG, WANG ZHENGWU, LIU CHUNYOU, QU HAICHENG, SHI CHONG
• Format: Patent
• Language: English
• Published: 13.01.2016
• Subjects: DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; EARTH DRILLING; EARTH DRILLING, e.g. DEEP DRILLING; FIXED CONSTRUCTIONS; FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES,FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS,BLINDS, GATES; LADDERS; MINING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS

The utility model provides a rig substructure joins in marriage emergency exit and safe chain device with big door pillar, includes that emergency exit, big door pillar, safe chain, round steel axle, rig spread a platform axle bed, the rig is spread platform axle bed welded fastening and is spread the bench at the rig, and big door pillar spreads a platform axle bed fixed connection through round pin axle and rig, and the emergency exit passes through the round steel axle and big door pillar is articulated is connected, the one end and the big door pillar fixed connection of safe chain, and the other end is connected through geting in touch with door pillar greatly. Compared with the prior art, the beneficial effects of the utility model are that: a rig substructure joins in marriage emergency exit and safe chain device with big door pillar, stand and spread and to adopt the round pin hub connection between the platform, the installation of being convenient for is dismantled, adds simultaneously that establish safe chain and the safety device that falls is prevented to the emergency exit twice, makes whole facility safe and reliable more.