Date：2021-05-11
Page View：13162
What is a water well drilling rig? In short, a water well drilling rig is a kind of mechanical equipment used to drill water wells and complete downhole pipelines, well washing, etc., including power equipment and drill bits, drill pipes, core tubes, drill racks, etc. The following briefly introduces the classification and working principle of water well drilling rigs, and the correct use of water well drilling rigs.
The mechanism of water well drilling rig:
1. Hydraulic oil pump: double-type high-capacity pump, specially provides power to the power head. The small displacement pump powers the four hydraulic cylinders, the mast hydraulic cylinder and the boost/lift hydraulic cylinder.
2. Four outriggers: the water well drilling rig consists of a hydraulic cylinder and a fixed frame. The height of the body can be adjusted at the work site to support and stabilize the body.
3. Mast: a structural frame made of giant steel pipes, channel steels and angle steels. The internal grooves of the channel steel on both sides are used as the power head, which can be moved up and down to ensure the verticality of the hole. The fluctuation of the mast is done by hydraulic cylinders.
4. Power head: The mechanism with gear reducer has a large-diameter mandrel in the middle of the low-speed shaft. The upper end of the mandrel can be connected with the hose interface of the concrete pouring equipment to inject concrete. The lower end of the mandrel is connected to the drill rod and the drill bit through a blue plate. The high-speed shaft is driven by a high-torque hydraulic motor.
Water well drilling platforms can be divided into three types: rotary water well drilling rigs, percussion water well drilling rigs and composite water well drilling rigs. Rotary water well drilling rigs can be divided into: large and small cone drilling rigs, circulating rotary drilling rigs, hydraulic head drilling rigs and downhole impact rotary drilling rigs.
Rotary water well drilling rigs mainly depend on the rotational movement of drilling tools to break the rock into holes. Generally, there are large and small cone drills, positive and negative circulation rotary drilling rigs, hydraulic head drilling rigs and downhole vibrating rotary drilling rigs. A simple rotary drill has only one drilling unit. A well-structured rotary drilling rig is divided into two parts: drilling equipment and circulating well cleaning equipment.
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