Gravity Henan Province Crane Co. (formerly Xinxiang recorded Army Crane Co., Ltd.) is a domestic and international reputation for excellence, one of the larger crane professional manufacturer. Mainly engaged in single and double girder cranes, gantry cranes, ship cranes, bridge machine, grab, electric hoist, and other lifting equipment manufacturing, sales and installation. Determining principle Bridge Crane Tread follows: (a) to meet stability requirements gantry crane along the track direction; (b) the goods to be able to pass the dimensions flat steel legs; (c) pay attention to the Tread B and span S proportional relationships, and generally Tread B = (1 / 4-1 / 6) S gravity Henan Province Crane Co. (formerly Xinxiang recorded Army Crane Co., Ltd.) is a domestic and international reputation for excellence One of the larger crane professional manufacturer. Mainly engaged in single and double girder cranes, gantry cranes, ship cranes, bridge machine, grab, electric hoist, and other lifting equipment manufacturing, sales and installation. Gantry crane can be in the form of structural frame gantry crane Tianjin, Changchun, according to the form of the main beam gantry crane, according to the girder gantry crane structure, according to use in the form of classification. [1] The structure is divided into frames and cantilever gantry crane gantry crane gantry crane gantry crane 1. Full: no overhang Shijiazhuang girder gantry crane, the car in the main spans; 2. semi gantry crane: branch Leg height difference, according to the civil use of space requirements. 1. Double cantilever gantry crane cantilever gantry crane: The most common type of structure, the effective use of the structure of the force and the site area are reasonable. 2. Single Cantilever Crane: This form of structure is often due to space constraints are chosen. Harbin gantry crane, Henan gravity (certified), gantry cranes supplied by Crane Co., Ltd., Henan Province gravity. Gravity Henan Province Crane Co. (www.zlqzj.com.cn) to provide "single and double girder gantry crane, light lifting equipment, lifting accessories, electric hoist." Business, the company has "ArtMia River heavy lift "and other brands. Focus on mechanical processing industries, in Xinxiang have higher visibility. Welcomes inquiries, contact: Hulu Jun.