挖掘机挖沟(国外英文资料).doc

挖掘机挖沟(国外英文资料) The excavator operation attention matters For many excavator machinist, general work of excavation was not difficult, but encountered many complex conditions such as lifting, crushing, stone, brush and other projects, but to attack, the excavator hongchang is the best school in chongqing, according to many years of teaching summarized the following points: 1. Trenching work will drivers riding on the groove in the middle of the two tracks, walking backward method, large forearm to stretch out appropriate location, shovel bucket back into 30 ° Angle with the ground soil, according to the soil firmness, determine the speed of the forearm, according to how much dirt in compound roll fights, then turning the royal. The flat field USES a dipper to spread most of the soil evenly, using a bucket hook. Then the bucket bucket back parallel to the ground, keep contact with bucket back almost on the ground, and forearm, open-book bucket, lifting arm can continuous composite action, at the same time also with rotary to sweep to open excess dirt walking backward. 3, excavator lifting operations Make sure that the lifting hydraulic excavator for lifting operation into the surrounding conditions, use the hook on the high strength and steel wire rope, lifting will try to use the special lifting device; The mode of operation should be done in microoperation mode, and the action should be balanced slowly. If the rope is suitable, too long it will cause the hanging objects to swing large and hard to control. Adjust the position of the shovel properly to prevent the steel wire from slipping. Construction personnel try not to come near the suspension to prevent any danger of improper fixing. 4, when the excavator is walking in the right way, the excavator should try to collect the working device and close to the center of the body to maintain the stability. Put the final drive behind to protect the final drive. Try to avoid obstacles such as stumps and rocks to prevent di