Launching gantry in span by span

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The tyre trolley transfers the concrete segment to the rear of the launching gantry. The lifting trolley of the gantry lifts the concrete segment to the assembly position and the steeve hangs up the segment. After assembly, these segments tighten together with stressing wires, and the gantry put the beam on the pier and fulfill the construction of bridge segment. Based on the requirement of our client and the bridge conditions, the erection span and lifting capacity could be modified and customied for each machine.

530 ton Launching Gantry in span by span 100 ton Launching Gantry in span by span

General design data：
·Max span : 35m
·Max weight of each segment : 45ton (60ton)
·Max weight of span : 460ton（530ton）
·max longitudinal slope of bridge :±3%
·max transversal slope of bridge :±2%
·min horizontal radium : 600m（400m）
·Max wind speed on working condition : 22m/s
·Max win speed on static condition :35m/s
·Safety coefficient :≥2.5
·Stability factor of launching gantry :1.3
·Launching gantry’s fixing connection can be resistant emergencyconditions such as strong wind and typhoon.
·Temperature :from -10℃ to +40℃
·Relative humidity :90%
·The whole machine can move backward and forward for bridge erection.

Q:How much is a bridging machine: The preliminary estimate can be calculated according to the weight of steel structure. Unit price of about 1.5~2 yuan / ton.

Q:What are the advantages and disadvantages of the overhead bridge erecting machine compared to the lower bridge erecting machine: Compared with the downward bridging machine, the upper bridge erecting machine does not need to be laid

Q:DJ180 bridge frame 40 m beam through the hole program.: Bridge erecting machine running to bridge head,Bridging machine punch,Longmen frame and flip chip,

Q:Above the highway bridge construction machine, in the case of the erection of the protective scaffolding, bridge construction can be opened to traffic: Protective scaffolding can only be up to prevent falling objects, if the bridge girder or beam body overturned, this protection is useless

Q:Our original home is the height of the beam is now 3m to 2.6 of the beam is not to the bridge before the support leg height: Bridge to re calculate the supporting force, and the Bridge Design Institute for inspection

Q:When does the bridge machine not belong to the gantry crane?: Bridge crane is a crane, because its main function is to lift the beam, and then transported to the location and put down

Q:Bridging machine rack in the front beam can beam block and padded timbers, whether there is stress between them.: Is the bridge cap beam transverse member between pier and bridge superstructure, beam cantilever structure, can be single or multi span structure.

Q:Purchase of special equipment, the use of units of evidence is the use of special equipment license?Where is the place of use or production?: Specifically, it is located in the special equipment inspection institute (hereinafter referred to as the quality and Technical Supervision Department)

Q:Operating rules for bridge erecting machines: Six, after the erection of the bridge crane must be suspended hanging crane operation, but also can be used to test the concrete beam, bridge erection machine running in place to start the installation work.Seven, bridging machine installation work, we should pay attention to the safety inspection, each installation of a hole must conduct a comprehensive safety inspection, found the problem to stop working and timely processing to continue to work. Do not allow mechanical and electrical failure.Eight, the installation operation is not allowed to overload operation, shall not lift operation.Nine, connecting pin processing materials must be carried out according to the requirements of design drawings, shall not use the low grade instead of processing.

Q:How long will it take to set up the 30 - meter girder erecting machine on the highway: Standard 48 meters, when considering the hole is more secure with a total of more than 8 meters, with a total of 56 meters. Welcome adoption

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