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What to pay attention to in the operation of bridge erecting machine

by:Powerston     2021-04-19
The operation of the bridge erecting machine must have a clear division of labor, unified command, and set up a full-time commander, a full-time operator, a full-time electrician and a full-time safety inspector. Participants should be informed about safety and technology before construction, and there should be strict construction organization and preventive measures to ensure construction safety. The operation of the construction hoist must have a clear division of labor, unified command, and set up a full-time commander, a full-time operator, a full-time electrician and a full-time safety inspector. Participants should be informed about safety and technology before construction, and there should be strict construction organization and preventive measures to ensure construction safety. After entering the site, the bridge erecting machine must pass the combined acceptance of the Ministry of Safety, test hoisting, and pass the acceptance certificate issued by the relevant department before it can be put into use. The horizontal running track of the front and middle outriggers must be laid horizontally, and the spacing must be strictly controlled. The two tracks must be parallel. The longitudinal position of the bridge erecting machine must be strictly controlled to ensure the smooth installation of the concrete precast beam. When the main girder of the bridge erecting machine moves forward longitudinally without load, the longitudinal slope should be adjusted <3%, and the track should be adjusted to this requirement if it does not meet the requirements. When installing a bridge with vertical slopes, the longitudinal displacement of the bridge erecting machine must be prevented from sliding, and the wedge iron must be used for protection at the traveling wheels of the beam transport flat car. All preparations must be made for the longitudinal movement of the bridge erecting machine, and it is required to be in place at one time without stopping in the middle. Strictly check the track spacing of the vertical and horizontal transport beams, and ensure that the track spacing is uniform and firm. It is strictly forbidden to carry out the lifting operation of the crane and the walking with the beam at the same time. After the lifting is completed, the box beam must be stabilized, and then start the walking mechanism of the crane to move the box beam forward smoothly, and the moving speed should be slow. During the construction of the construction hoist through the hole, the safe operation regulations of the bridge erecting machine must be strictly observed, the process must not be simplified, and all the scattered components need to be bound and fastened. During the construction of bridge frame girder and through-hole construction, safety precautions must be taken under the bridge deck. Special personnel should be assigned to guard and warning signs should be set up. Pedestrians and vehicles are strictly prohibited from passing under the bridge. In the process of erecting the side beams, the bridge erecting machine must be especially cautious. The lifting must be stable and the beam must be accurately dropped. The bridge erecting machine must not go out of the suspended track. During the construction process, we must do a good job of site management, adhere to civilized construction, ensure the safety of people, machinery and equipment, and do a good job of fire prevention and pay attention to the safety of electricity. The various construction responsibilities are assigned to people, and the responsibility is fixed to ensure the safety of construction. The safety protection facilities, safety devices, fire-fighting equipment and hazard warning signs in the hoisting construction and production shall not be dismantled or moved without authorization. If the work needs to be dismantled or moved, it must be approved by the person in charge on site in advance, and must be restored to the original state immediately after completion. The main machinery, electrical appliances, transportation equipment, etc., should be assigned to the aircraft and personnel, and the shift system should be strictly implemented. The operation of the construction hoist shall set up a safety management sign and sign for the lifting construction at a conspicuous position, and it is strictly forbidden for idle personnel to enter the lifting operation area.
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