

Add to Cart
120m Depth 22HP Diesel Small Portable Borehole Water Wells Drilling Rigs
Small diesel hydraulic drilling machine is used in household
drilling, factory drilling, taking domestic water, farmland
irrigation wells, installing water air conditioner, solar water
heater, piling on site, etc.
It is suitable for soil layer and quicksand layer. If there is
stone, it can be equipped with diamond coring bit.
Small diesel hydraulic drilling machines are used for home drilling, factory drilling, domestic water supply, farmland irrigation wells, installation of water air conditioning, solar water heaters, and construction site piling.
diesel engine hydraulic drilling machine parameters
Drilling depth | m | 0-150 |
Opening diameter | mm | 300 |
Final hole diameter | mm | 100-300 |
Drill pipe specifications | mm | 50-1500mm |
Drilling rig power | HP | 22 |
Starting voltage | V | 12 |
Water pump flow rate | M³/h | 65 |
Transportation dimensions | mm | L2110*W960*H1700 |
Construction dimensions | mm | L2800*W1200*H2900 |
Overall weight | Kg | 560 |
Number of operators | 个 | 1 |
Principle of Water Well Drilling Machine
A water well drilling machine is a device specifically designed for
drilling water wells. It pushes the drill bit into the ground by
rotating the drill rod and drill bit to obtain groundwater
resources. The principle of a water well drilling machine mainly
includes the transmission of power through the drill rod, rotation
of the drill rod, entry and exit of the drill bit, and impact.
Water well drilling machines generate power through engines or
electric motors. This power is transmitted to the drill rod through
a hydraulic system or mechanical transmission system. The hydraulic
system uses a hydraulic pump to push liquid to the hydraulic
cylinder, driving the drill rod to rotate. The mechanical
transmission system directly drives the drill rod to rotate through
the engine or electric motor.
Drill pipe is an important component of water well drilling,
consisting of multiple steel pipes connected together. The length
and diameter of the drill rod can be adjusted as needed. One end of
the drill rod is connected to the drill bit, and the other end is
connected to the drilling rig through a drill rod joint. By
rotating the drill rod, the drill bit can penetrate underground
rock formations.
The drill bit is the core component of a water well drilling
machine. Drill bits are usually made of metal and have a set of
cutting teeth or blades at the bottom. When the drill bit rotates,
the cutting teeth or blades will cut the underground rock, break it
up, and bring it to the wellhead.
The entry and exit of drill bits is another important aspect of the
principle of water well drilling machines. During the drilling
process, the drill bit needs to continuously enter and exit the
wellhead, and the drilling depth needs to be adjusted as needed.
This is usually achieved by adjusting the length of the drill rod.
When it is necessary to adjust the drilling depth, the drill rod
will be disassembled and reassembled to change the length of the
drill rod.
The water well drilling machine also needs to use impact to assist
the drill bit in drilling. The impact can be generated by the
hydraulic system or the gravity of the drill rod itself. Hydraulic
impact is generated by high-pressure liquid provided by a hydraulic
pump, which can cause the drill bit to generate impact force in
underground rocks, making it easier to pass through rock layers.
In practical operation, the water well drilling machine also needs
to be adjusted according to specific geological conditions and
drilling requirements. For example, when drilling in geological
layers with harder rocks, the rotation speed and impact force of
the drill rod can be increased to increase drilling efficiency.
When drilling soft soil layers, it is necessary to reduce the
rotational speed and impact force to avoid clogging the wellhead.
In summary, the principle of a water well drilling machine mainly
includes the transmission of power through the drill rod, rotation
of the drill rod, entry and exit of the drill bit, and impact. By
combining and adjusting these principles, water well drilling
machines can efficiently drill water wells, providing important
technical support for people to obtain groundwater resources.