Use and Safety Precautions in the boom
Use and Safety Precautions in the boom
Observance of these rules, the correct action is to prevent accidents, to extend the life of the guarantee. First, the former layout ready 1. Check the scene to whether there is sufficient working space, working surface should be smooth, firm, can not be soft collapse. 2, such as uneven or steel flat working surface, block machine js500 concrete cement mixerapply 600 × 60 × 60 (mm) board level pad, the pad real Quartet Stand fixing rope taut, without slant. 3, in the direction perpendicular to the fabric, use a steel pipe rack space make steady boom parallel planes, and tighten with the four oil wire rope, the turnbuckle insurance fastened to prevent decoupling, to be fixed before proceeding to the fabric construction. (Note: Due to different site conditions, the factory does not provide shelf steel, oil rope and tensioning device). 4. Stand bends in steel with a shelf, the elbow is fixed at the center of the Quartet stands to prevent accidents caused by the impact force is too large. 5. Check whether all lubrication points injection of sodium and calcium grease grease. Second, the layout and use
1, the manual tube folded back and the main beam is fixed, then 500 kg counterweight mounted counterweight box. When lifting beam to find a good balance before installation. 2, with the boom crane lifting mechanism to a suitable js750 portable twin shaft concrete mixer work surface, fell in front of the work, the telescopic legs pulled in the largest top silk top good position. 3, balance boom down and adjust in a horizontal plane (with wooden adjustment) shall not be tilted. 4, during normal working counterweight box plus 500-800 kg counterweight to adjust the balance. 5, the main beams will support base to the middle position. 6, the concrete pump pipe below a 90 ° Curved end fixed with the clamp and boom. 7, after feeding the pumped water before flushing the pipeline for ten minutes, the concrete can be gradually feeding into the material soil, water can be gradually reduced to the amount, ten minutes can be transferred to work properly. 8, in operation, a man pulled a manual tube distal end of the rope, turn the main beams and front manual pipe to obtain fabrics in different planes (because slewing ring flexible, if necessary, that the brake master beams rotated to prevent the main Liang and manual tube rotate synchronously). 9, the work is completed, remove the duct manual concrete cement mixer for sale connected with concrete pump, the back telescoping legs, remove the front manual pipe.
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