1. Before construction, according to the special construction program and tower height and sub-piece, section weight reasonable selection with lifting equipment and utensils.
2. All equipment and work apparatus to carry out regular maintenance.
3. Lifting commanders should be familiar with the performance of lifting equipment, strictly prohibit overload lifting. The main load-bearing apparatus should comply with the technical inspection standards, and with the permitted load sign; must be checked before use, unqualified is strictly prohibited to use, strictly prohibit the use of small instead of large, strictly prohibit the use of overload.
4. The foundation of the crane working position must be stable, and the nearby obstacles should be cleared.
1. tower ground assembly site level, obstacles should be cleared, tower material shall not be stacked along the slope, the slope of the tower piece of matting should be stable, and there are measures to prevent the components from sliding, assembly of tubular components, components are not connected before taking measures to prevent rolling.
2. Carefully check the construction drawings of the lifting section parameters, strictly in accordance with the construction plan to control the single lifting weight, strictly prohibit overweight lifting.
3. Tower material assembly with iron, the application of pointed wrench to find the hole, such as hole distance difference is large, should check the piece number against the drawings, shall not be forced to knock the screw tether. Any case is prohibited to use fingers to find the right.
4. When operating, emphasis should be placed on the fact that the assembly should be stopped when lifting operation is in progress, and that there should be no operator under the lifting object when lifting is in progress.
5. It is forbidden for people to stay or pass under the lifting arm and the place where heavy objects pass.
1.Ultra-high molecular weight polyethylene sheet has extremely high impact strength, which is 10 times larger than nylon and polypropylene (PP);
2.The wear resistance of ultra-high molecular weight polyethylene sheet is very excellent. Wear-resistant better than metals, carbon steel and copper, 4-5 times better than nylon and PTFE, ranking first among existing plastics.
3. Plastic crane outrigger pads are resistant to chemical corrosion, anti atomic radiation. In a certain range of temperature,concentration of many corrosive media (acid, alkali, salt) and organic solvents and other various corrosive media have noalternative to it;
4. Ultra-high molecular polyethylene crane pads is not easy to adhere to foreign matters, and has excellent ant-adhesionproperties when sliding;
5.Tasteless, non-toxic, odorless, pollution-free, non-corrosive crane pad colors. Can be recycled in the cycle and other plastic compared with good thermal stability and no water imbibition plastic plate, crane products in a damp environment, also won't because of water absorption and make the size change.
6.Can be used from -195 C to + 265 C, and remain good toughness and strength.
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