1. Rated drilling depth of 500 meters; utilizes pneumatic down-the-hole (DTH) impact drilling technology paired with a high-pressure air compressor, enabling dry air-based cuttings removal; supports borehole diameters of 100–254 mm. 2. Crawler undercarriage equipped with independent hydraulic leveling outriggers; features strong gradeability and autonomous mobility across slopes, soft terrain, and uneven off-road sites, allowing for rapid positioning, leveling, and anchoring. 3. Long-stroke hydraulic feed system and high-torque hydraulic power head; equipped with an automatic drill pipe handling mechanism to minimize rod handling time and enhance continuous drilling efficiency. 4. High-strength, foldable drill mast structure designed to withstand impact and vibration; reinforced chassis; compatible with various specifications of DTH hammers and drill bits; supports casing-advancing drilling techniques.
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Product Description
Product Features
Product Specifications
Application Scenarios
Product Description ： The YGQZ-500 water well drilling rig is a crawler-mounted, down-the-hole (DTH) impact drilling unit designed specifically for deep-well development in bedrock formations. It offers a maximum drilling depth of 500 meters and accommodates borehole diameters ranging from 108 mm to 273 mm. The unit utilizes a self-propelled crawler chassis and employs high-pressure air—supplied by an accompanying air compressor—to drive the DTH hammer for rock fragmentation, using air circulation for cuttings removal instead of traditional mud circulation.
Product Features： 1. Exceptional hard-rock drilling efficiency: Utilizing an impact-crushing method, the drilling speed in dense bedrock significantly outperforms traditional rotary mud-drilling rigs, thereby shortening project timelines. 2. Dry drilling eliminates the need for large volumes of drilling fluid; operations can proceed normally in water-scarce regions or remote field sites lacking water supplies, while also bypassing the need to construct mud pits. 3. Highly integrated design: The unit is easy to relocate without requiring large trailers or cranes for transport, and a single machine can independently handle the entire process of moving, positioning, and drilling. 4. Modular hydraulic control system: Features a streamlined layout with fewer potential failure points; wear parts are easily replaced and routine maintenance is simple, resulting in lower operating and maintenance costs. 5. Versatile functionality: By simply changing the drilling tools, the machine can be used for blasting holes, monitoring wells, and hydrological survey holes in addition to water well drilling, effectively expanding the scope of operations.
Product Specifications：YGQZ-500
Item
Parameter
Item
Parameter
The weight (T)
9.5
Drill pipe diameter (mm)
Φ89/Φ102 / Φ114
The hole diameter (mm)
100-254
Drill pipe length (m)
1.5m / 2.0m / 3.0m / 6.0m
Drilling depth (m)
500
Rig lifting force (T)
26
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)
2.85
Equipped capacitor (kw)
132
Hoisting force of winch (T)
2
Using air pressure (MPA)
1.7-3.5
Swing torque (N.m)
7500-10000
Air consumption (m³/min)
17-42
Dimension (mm)
6150×2200×2600
Swing speed (rpm)
45-130
Equipped with hammer
Medium and high wind pressure series
The penetration efficiency (m/h)
15-35
High leg stroke (m)
1.6
The engine brand
Yuchai engine
Application Scenarios： The YGQZ-500 water well drilling rig is capable of drilling in hard rock formations—such as granite, basalt, and limestone—as well as in fractured strata. It is widely used for the construction of drinking water wells for villages and towns, agricultural irrigation wells, industrial water supply wells, and hydrological exploration boreholes.
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