1.Brief introduction of BXZ-2L backpack drilling rig BXZ-2L vertical knapsack core drilling rig is a removable core sample drilling rig. The rig is mainly used in mineral exploration, geochemical exploration, shallow sampling, geoscience research, geotechnical engineering, engineering investigation, oil field exploration, water conservancy engineering survey, highway engineering survey and so on. The main features of BXZ-2L vertical backpack core drilling machine are compact structure, detachable, small volume, light weight, easy to carry; imported kohler brand gasoline engine with large horsepower and guaranteed drilling depth with drilling frame. Field operation is more convenient and safe.