门机
3.Analysis of loading characteristics and cross section rigidity of portal crane in terms of fatigue cracking
4.Design and Application of Hydraulic Grabbing Beam for 2×250kN Portal Crane Used at Debansa Power Station, Burma
5.Our company has developed PMSM, the new controller of three-phase asynchronous frequency conversion motor, PMSM matching with the new controller and small elevator door operator without encoder.
6.They are used for connecting the sluice of the Three-gorge Dam and the gantry or disconnecting them.
7.This paper describes several treatment methods for foundation of rail bearer of wharf gantry crane, and puts forward some suggestions for design and construction, so as to shorten the maintenance period of gantry crane rail bearer, and ensure good performance of equipments.
8.Zhejiang Xianfeng Machinery Factory is a large enterprise under China Weapons Equipment Corporation, It was founded in 1970 and has the right to directly handle import and export business.
9.Intellectual door machine system and microcomputer controlled new type non connecting bar structure can automatically adjust the door speed and torque according to actual door load of each stop and let passengers feel respect and enjoyment when the door open or close.
