How to safely operate a pile driver?
(10) power cable static pile pressing machine must overhead, electric box and motor ground zero protection line electric shock protector is firm and reliable, sensitive and effective action, not in high voltage wires under the pressure of pile, pile machine must be mobile and high-pressure line safety distance is not less than 6m.(11) before operation, should check the hydraulic system connection parts are reliable, no-load operation, check whether there is oil leakage, pressure gauge, safety valve is normal, confirm safe and reliable, before you can work.(12) during the piling operation, a warning area should be set up to prevent pedestrians from passing or standing.(13) when the pile machine fails, it should be power off, stop, report the overhaul of the machine repair group, and shall not check and repair without permission.(14) in case of heavy rain, heavy fog, or six or higher winds, the piling operation shall be stopped immediately, and the pile driving machine shall be reinforced.
(6) the diesel hammer hammer machine must adjust the amount of fuel supplied to control the height of the drop hammer, and must stop hammering when the second piston ring of the upper piston is seen.(7) diesel hammer pile machine, the end of the piling operation, the cylinder should be placed on the piston seat. The application of timber pile hammer pad or pin lock.(8) when the pile is driven by vibration, no one is allowed to stay in the lower part of the frame. When pulling out the vibration, it should be vertical upward and pull out at the same time.(9) the construction site of the static pile driver shall be flat and compacted, with a slope of no more than 3%, without any water accumulation, and no underground burial shall be confirmed.
Code of practice for safety operation of pile drivers(1) all kinds of pile operators should be trained and tested, and obtain special operation personnel operation certificate, with operation permit operation.(2) the pile shall be vertical and the pile forward shall not exceed 5 degrees, and the back shall not exceed 18 degrees.(3) the angle between the steel wire rope and the guide rod shall not be greater than 30 degrees, and the lifting stake shall be operated according to the operation rules of the lifting operation. It is strictly prohibited to tilt or tilt when lifting precast piles.(4) the hammer of the wire rope should be slightly relaxed after instrumentation, to prevent the hammer lay wire rope, tug, hammer head hook should be locked.(5) diesel hammer pile machine, hoist hammer, hanging pile must use the winch ratchet insurance. Start piling hammer should be opened before the mechanical lock, the hammer claw retracts, starting out before starting the hook, prevent the hammer hanging from the pile top pile accident.
