1. Maximum drilling depth of 700m; borehole diameter of Φ100–254mm; compatible with Φ102/Φ108/Φ118 drill rods (various lengths available); equipped with a medium-to-high air pressure DTH (Down-The-Hole) hammer; operating air pressure of 1.7–3.5 MPa; air compressor requirement of 17–42 m³/min; hard rock penetration rate of 15–35 m/h. 2. Powered by a 132 kW Cummins engine; main hoist lifting capacity of 28 tons; auxiliary winch lifting capacity of 2 tons; rotary head torque of 8,500–11,000 N·m; rotation speed of 45–140 rpm; single-stroke feed length of 6.6 m; rapid feed speed of 40 m/min; rapid retraction speed of 20 m/min. 3. Self-propelled crawler chassis; total machine weight of 12 tons; overall dimensions of 6,200×2,200×2,950 mm; transport width of 2.95 m; travel speed of 2.5 km/h; maximum gradeability of 30°; hydraulic outrigger stroke of 1.7 m, enabling rapid on-site leveling and stabilization.
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Product Description
Product Features
Product Specifications
Application Scenarios
Product Description ： This 700-meter crawler-mounted pneumatic water well drilling rig weighs 12 tons and is powered by a 132 kW Cummins diesel engine. It offers a maximum drilling depth of 700 meters and supports borehole diameters ranging from 100 mm to 254 mm. Utilizing a dry DTH (Down-The-Hole) impact drilling process, the rig operates at an air pressure of 1.7–3.5 MPa with an air consumption of 17–42 m³/min; when paired with medium-to-high-pressure DTH hammers, it achieves hard-rock drilling speeds of 15–35 m/h. The equipment features a main lifting force of 28 tons and a rotary torque of 8,500–11,000 N·m, accommodating drill pipes in specifications of Φ102, Φ108, and Φ118, with selectable lengths of 3.0 m or 6.0 m.
Product Features： 1. Powered by a 132kW Cummins engine, the unit delivers stable, abundant power with optimized fuel efficiency; it ensures high reliability during prolonged field operations, effectively reducing project fuel costs. 2. Features a massive 28-ton main lifting force and a 6.6m single-pass feed stroke, minimizing the need for rod handling; rapid feed speeds of up to 40m/min and swift drilling/tripping actions significantly shorten the construction cycle per well. 3. With a total weight of 12 tons and a lightweight design, the rig imposes a lower transport load compared to other deep-hole rigs in its class; it can be hauled by standard transport vehicles, resulting in lower relocation costs. 4. Offers a wide, adjustable range of rotation torque and speed, allowing for flexible parameter adjustments when drilling through alternating soft/hard strata or fractured rock; this reduces impact loads on the DTH hammer and extends the service life of drilling tools. 5. Boasts excellent off-road capability with a maximum gradeability of 30°; 1.7m long-stroke hydraulic outriggers enable precise leveling on uneven slopes or rocky terrain, ensuring drilling verticality.
Product Specifications：YGQZ-700
Item
Parameter
Item
Parameter
The weight (T)
12
Drill pipe diameter (mm)
Φ102/Φ108/Φ118
The hole diameter (mm)
100-254
Drill pipe length (m)
1.5m / 2.0m / 3.0m / 6.0m
Drilling depth (m)
700
Rig lifting force (T)
28
One-time advance length (m)
6.6
Rapid rise speed (m/min)
20
Walking speed (km/h)
2.5
Fast feeding speed (m/min)
40
Climbing angles (Max.)
30
Width of loading (m)
2.95
Equipped capacitor (kw)
132
Hoisting force of winch (T)
2
Using air pressure (MPA)
1.7-3.5
Swing torque (N.m)
8500-11000
Air consumption (m³/min)
17-42
Dimension (mm)
6200×2200×2950
Swing speed (rpm)
45-140
Equipped with hammer
Medium and high wind pressure series
The penetration efficiency (m/h)
15-35
High leg stroke (m)
1.7
The engine brand
Cummins engine
Application Scenarios： Widely used in projects such as safe drinking water wells for mountain villages, deep irrigation wells for high-standard farmland, private water supply wells for industrial and mining enterprises, mine dewatering boreholes, and hydrogeological exploration holes. Featuring a self-propelled crawler chassis with a maximum climbing capability of 30° and 1.7-meter long-stroke hydraulic outriggers, it allows for rapid positioning and operation in complex terrains—including mountainous areas, Gobi deserts, and hilly regions—making it a cost-effective, primary choice for drilling medium-to-deep hard-rock water wells.
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