1. Features of XY-3 hydraulic core drilling rig

· XY-3 hydraulic core drilling rig adopts CG140 model auto transmission, has 10 rotation speeds and reasonable speed range, with eight forward rotation gears and two reverse rotation gears, high speed, strong stroke and wide scope of application

· Large torque, strong bearing capacity, can realize long distance control speed change, operation centralized and convenient

· Large engine power and two reverse rotation gears, can easily solve the water well drilling work accident.

· Equipped with normally closed hydraulic chuck, operation is flexible and reliable

· The independent operation of the vertical shaft and the hoist can be realized

· The diameter of the vertical shaft through the hole is large and can be replaced with a large six party active drill rod

2. Parameters of XY-3 hydraulic core drilling rig