|
(Project machinery matches hydraulic pressure grab) the hydraulic pressure grab, divides into the hydraulic pressure rotation and does not have the hydraulic pressure to rotate two kinds.Does not bring the hydraulic pressure rotation shell to fight uses the excavator scoop cylinder the oil duct, does not need other to increase the hydraulic valve block and the pipeline; The belt hydraulic pressure rotation shell fights must increase a set of hydraulic valve block and the pipeline cools.Cylinder disposition piston protective device.
Suitable situation:
1st, constructs the ground the hole excavated for building foundation excavation, the gulf excavation and the putty, the sand, the coal, the crushed stone loading.
2nd, is suitable specially in the ditch or spatial one side which limits is carried on the excavation and the loading.
3rd, is suitable for the ships, the train, auto loading and unloading.







