push the crawler drilling rig plunger up the second stage: the plunger during ascent, the valve sleeve push up until the fixed position, so the high-pressure oil through the drilling rig supplier valv

drill rig for sale suitable in medium hard or hard rock wet drilling down and tilt perforated. The drilling rigs head diameter of 34-42 mm effective drilling depth of up to 5 meters. Short air leg wit

the drill rig machine is equipped with an accumulator. Its advantages: drilling speed (pneumatic rock drill more than twice), high impact power, torque, frequency; tunability, low energy consumption (

Again and again, so that drill rig manufacturer can be automatically pummeled. The advantages and disadvantages of hydraulic rock drill hydraulic rock drill cycle of high-pressure oil as the drilling

drill rig technical requirements and higher maintenance costs, currently in China only as a complement of other drilling equipment. With advances in technology and development, hydraulic rock drill gr

while the drill rigs manufacturer energy storage device to provide the amount of the oil required by the rapid movement. In the process of the downward movement of the drill rigs plunger will throttle

drilling rig good mechanical properties, high-speed drilling. The oil pressure is dozens of times higher than the air pressure, so the impact energy of the rock drill, impact frequency and crawler dri

drilling rigs equipment and diesel engine driven hydraulic drill rig support, to achieve the energy homogeneity, improve mobility and ergonomics of Taiwan class. (5) elimination of exhaust drilling ri

drilling rigs equipment Draw assembly drawing and part of the typical parts diagram, the use of computer-aided design software for the design of hydraulic rock drilling rigs drill, then be analyzed to