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◆The ZDY Crawler-Type Fully Hydraulic Tunnel Drill for Coal Mines is a crawler self-propelled, low-speed, all-directional hydraulic drill. It is primarily matched with diamond composite bit, carbide bit, large-diameter roller cone bit, etc., for drilling operations. It can be widely used in gas exploration and drainage, water exploration and release, anchoring, geological exploration, and other drilling constructions in systems such as coal mines, non-ferrous metals, hydropower and construction, municipal engineering, nuclear industry, geology, and military engineering.
◆The drill consists of the main unit, traveling mechanism, operation console, and power system.
◆Strong passability and flexibility, meeting slope climbing conditions, only 0.9-1.2m wide, capable of moving and traveling in roadways as narrow as 1.4 meters.
◆The main unit can rotate and position horizontally ±90° and vertically ±90° on the platform for all-directional drilling, and can be lifted or lowered with the lifting cylinder.
◆Multi-purpose machine, capable of clamping and drilling with geological drill rods, triangular drill rods, and wide-blade drill rods without needing to change the slips. The operation console features centralized control for convenient operation.
1. The drill has a compact size and low center of gravity, allowing passage through narrow roadways and reducing the risk of tipping.
2. The drill features high power and reliability, with a modular design that enables operation and drilling under slope and complex working conditions.
3. It offers advantages such as advanced technical performance, strong process adaptability, and quick, convenient mobility.
4. The entire machine is hydraulically controlled, with an independent hydraulic system for the drill; the overall structure is rational and compact, with reliable component strength; operation and maintenance are convenient, ensuring safe and reliable operation.
| Complete machine | Project | unit | ZDY2300LPS | ZDY3200LPS | ZDY4500LPS | |
| Rotary rated pressure | MPa | 20 | 23 | 25 | ||
| Rotary rated flow | L/min | 85 | 90 | 95 | ||
| Rated torque | N·m | 2300 | 3200 | 4500 | ||
| Rated speed | r/min | 90 | 80 | 75 | ||
| Noise sound pressure level | dB(A) | 94 | 96 | 94 | ||
| Drilling angle | Horizontal | (°) | ±180 | ±180 | ±180 | |
| Vertical | (°) | ±90 | ±90 | ±90 | ||
| Drill pipe diameter | mm | 50、63.5、73 | 63.5、73 | 63.5、73 | ||
| Minimum working height | mm | 1200 | 1320 | 1300 | ||
| Maximum working height | mm | 2300 | 2320 | 2500 | ||
| Overall dimensions | mm | 3300×1000×1800 | 3600×1000×1800 | 3410×1000×1850 | ||
| Quality | kg | 4000 | 4500 | 4800 | ||
| Promotion Agency | Propulsion type | – | Hydraulic cylinder | Hydraulic cylinder | Hydraulic cylinder | |
| Working pressure | MPa | 18 | 18 | 18 | ||
| Working flow | L/min | 20 | 25 | 25 | ||
| Propulsion stroke | mm | 600 | 600 | 600 | ||
| Propulsion speed | m/min | 4 | 4 | 4 | ||
| Return speed under no load | m/min | 18 | 18 | 18 | ||
| Propulsion force | kN | 70 | 100 | 140 | ||
| Pulling force | kN | 100 | 100 | 140 | ||
| pumping station | Rated pressure | MPa | 22 | 25 | 28 | |
| Rated flow | L/min | 90 | 95 | 100 | ||
| Motor | Motor model | – | YBK3-225S-4 | YBK3-225M-4 | YBK3-250M-4 | |
| Rated voltage | V | 380/660/1140 | 380/660/1140 | 380/660/1140 | ||
| Rated current | A | 69.8/39.2/23.3 | 85.4/49.3/29.5 | 102.5/59.2/34.2 | ||
| Rated power | kW | 37 | 45 | 55 | ||
| Oil pump | Pressure | MPa | 22 | 25 | 28 | |
| Displacement | mL/r | 71 | 75 | 75 | ||
| Fuel tank capacity | L | 260 | 260 | 260 | ||
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