bridge girder launcher

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HZQ32/165T bridge girder launcher is designed for highway and railway. According to the situation of present railway with less sub grade, more bridges and tunnels which connected too closely, our company learn from advantages of other launchers at home and abroad and close the gap, after amend the drawings many times, we design and make this new box-girder bridge launcher(double girder). (1)Advantage: a. Low height, narrow width, light weight and compact structure. The whole set can pass through the tunnel; what’s more, it can feed girder and erect girder in tunnel. b. The weight of the maximal part is no more than 6.6t and the length is no more than 10m which can meet the vehicle transportation rules c. To meet the requirement of the limit of present railway, it can work under the condition of multiple tracks. d. The symmetrical design of main girder, and to reserve the hole of bolts to erect girder bidirectional and shift span for erecting e. Auxiliary trolley and upside-down charging gantry are added, and it has quite complete function which can lay track. It can erect the girder of highway after modification. f. It can move a long distance on the rail with self- power g. Compact structure, easy to install and maintain for users. It only needs to disassemble partially when transfer site by train, the upside-down charging gantry can fold and pack by itself without a hoisting machine. (2) Technical parameters Type HZQ32/165T Span(m) 32 Rated lifting capacity(t) 165 Cart moving speed(m/min) 4-8 Trolley moving speed(m/min) 2.75 Lifting speed(m/min) 0.5 Central distance between two main girder (m) 3.4 Machine gauge(m) 1.435 End cantilever deflection(mm) 630 Middle girder deflection(mm) 38 Allowable wind force at working (grade) ≤6 Curvature radius(m) ≥700 Longitudinal gradient ≤±20‰ Transverse gradient ≤±20‰ Self-weight(t) 230(with gantry) Power(kw) 150 (3)Structure Parts Function Front outrigger It is about 8t, and mainly completes the function, such as via whole, erect girder and lay rail act. Main girder Main bearing institution, and suspend girder for trolley Auxiliary trolley To achieve the hoisting of track panel and small tonnage object Suspending girder trolley Two storey.the down storey run longitudinally The upper one traverse. Middle outrigger To support main girder and suspending girder trolley Rear outrigger To support the rear end of main girder Electrical equipment About 150kw, direct every act by remote control girder transporter To transport and feed girder hydraulic pressure system Front , middle and rear outrigger has their own hydraulic pressure system, control separately (4) Excellent After-Service 1. One year warranty for whole machines. 2. Low charge for continue maintenance when warranty is expired. 3. Exclusive support engineer. 4. We can provide the free training to end-users.

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Zhengzhou Huazhong Construction Machinery Co., Ltd

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