The mobile cutter has the advantages of reasonable structure, small size, light weight, utilitarian advantages, flexible operation, convenient transportation, etc. It is especially suitable for the erection of tower towers or motorized lines in the construction of electricity, post and telecommunication lines, and also for lifting in buildings, docks and other places. With hauling weights, it is suitable for places without electricity in the field and is flexible and convenient to use. The use of a powered twist grinder often requires ten times the normal operation. Proper maintenance can extend the service life of the power cutter. To strengthen the maintenance and maintenance of the mill, you can save some necessary expenses. The operator needs to understand the structure and performance of the entire machine and master the methods of use. The motor grinder uses engines and gasoline engines. The motor is a dynamic power supply, which is transmitted to the clutch via a V-belt and is transmitted through the clutch to the input speed box. There are two kinds of brake devices, the automatic gear brake and the clutch transmission interlock brake, in the gear box. It acts as a brake in the positive direction. In the reverse direction, the transmission interlock brake acts as a brake.