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Introduction of safety technology points of bridge erecting machine

by:Powerston     2021-04-20
Bridge erector, as an important mechanical equipment in the construction of railways and highways and a large number of bridges, has made great contributions to my country's engineering industry, and at the same time, due to its structural characteristics, there are great safety risks. This article is an introduction to the key points of the bridge erecting machine safety technology. Bridge erector, as an important mechanical equipment in the construction of railways and highways and a large number of bridges, has made great contributions to my country's engineering industry, and at the same time, due to its structural characteristics, there are great safety risks. This article is an introduction to the key points of the bridge erecting machine safety technology. 1. The installation and dismantling of the construction hoist is a project that exceeds a certain scale and is more dangerous, and a special construction plan needs to be drawn up and verified by experts. 2. The assembling process is: construction preparation → placement of front outriggers, middle outriggers and lateral movement track → front outriggers, middle outriggers, rear outriggers → assembling main beams, guide beams, installation of contact frames → before installing guide beam Outriggers→installation of hoisting crane→installation and debugging of hydraulic and electronic control systems. 3. Before the installation of the bridge erecting machine, the components, accessories, tools, etc. that enter the site should be inspected and accepted in detail. 4. The size of the site and the bearing capacity of the foundation should meet the requirements for the installation and trial load of the bridge erector; the site is smooth and the longitudinal slope cannot exceed 3%. 5. Before placing the track and moving the middle leg horizontally, the debris on the track foundation should be cleaned up in advance. After the track is laid, the top surface elevation must be measured and leveled and cushioned. 6. Place the front and middle outriggers traverse trolley on the traverse track, after aligning the center distance, connect the front and middle outriggers to the trolley, and use a chain hoist and cable wind rope to fix the support part to the ground . 7. Assemble the main beam and guide beam on the ground from the front or rear in turn, and then hoist the main beam and guide beam on one side on the outriggers with two cars, and install the other side in the same way. 8. Measure the track center distance of the two guide beams according to the installation size. Install the connection frame to connect the left and right trusses into one body. 9. The order of dismantling the construction hoist is reverse to the installation sequence, namely: dismantling the electrical and hydraulic system → dismantling the crane crown → dismantling the front leg of the guide beam → dismantling the connecting frame, guide beam, main beam → dismantling the front leg and middle leg , Rear outriggers→Remove the front and middle horizontal movement tracks. The above is about the introduction of the safety technical points of the construction hoist. If necessary, please contact Hoisting Machinery Equipment Co., Ltd.!
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