Single-arm Excavation Rock Drilling Truck
The Single-arm Excavation Rock Drilling Truck is a heavy-duty diesel-hydraulic drilling jumbo independently engineered by Saner Heavy Industry. Developed specifically for underground metal and non-metal mining, coal mine development, railway and highway tunneling, hydropower projects, and underground cavern engineering, it is designed to meet the demanding requirements of modern underground drilling operations.
Key Features & Advantages
High-Rigidity Single Boom: Box-type structural steel design resists extreme twisting and impact forces during continuous face drilling.
High-Frequency Hydraulic Drifter: High impact frequency (60–73 Hz) ensures stable impact energy and high drilling efficiency.
Hydrostatic Transmission System: Enables stepless speed adjustment, smooth acceleration, and reliable off-road tramming.
High Ramp Gradeability: Capable of handling up to 14° gradients for efficient navigation in steep underground access tunnels.
Four-Point Hydraulic Stabilizers: Independent stabilization system ensures level setup on uneven ground.
IP67 Intelligent Control Unit: Fully sealed electrical cabinet prevents water and particulate ingress.
Automatic Lubrication Unit: Automatically oils key pivot points and drifter components to extend service intervals.
Ergonomic Operator Environment: Heavy-duty protective canopy or fully enclosed climate-controlled FOPS/ROPS cabin.
Product Parameters
General Specifications
| Specification Item | SRZY90A | SRZY30A |
|---|---|---|
| Overall Dimensions (L × W × H) | 15,610 × 2,250 × 2,365 / 3,065 mm | 12,465 × 2,090 × 2,350 / 3,100 mm |
| Horizontal Coverage | 11,400 × 8,700 mm | 7,050 × 6,750 mm |
| Radial Coverage | 16,000 × 12,500 mm | 10,000 × 9,700 mm |
| Hole Diameter | Ø43–Ø76 mm | Ø43–Ø76 mm |
| Drill Rod Length | 3,700 / 4,300 / 4,900 / 5,525 mm | 3,700 / 4,300 / 4,900 mm |
| Maximum Drilling Depth | 5,200 mm | 4,600 mm |
| Drilling Speed | 0.8–2.0 m/min | 0.8–2.0 m/min |
| Main Motor Power | 55 / 75 kW | 55 kW |
| Hydraulic Oil Tank Capacity | 210 L | 210 L |
| Total Machine Weight | 21,000 kg | 14,500 kg |
Boom & Hydraulic Drifter Specifications
| Specification Item | SRZY90A | SRZY30A |
|---|---|---|
| Hydraulic Drifter Model | 1838ME / 2238 | 1838ME / 2238 |
| Impact Power | 18 / 22 kW | 18 / 22 kW |
| Working Pressure | 220 bar | 220 bar |
| Impact Frequency | 60–73 Hz | 60–73 Hz |
| Rotation Speed | 0–215 rpm | 0–215 rpm |
| Boom Swing Angle | ±180° | ±180° |
| Feed Pitch Angle | -3° to 90° | -3° to 90° |
| Boom Extension | 1,800 mm | 1,500 mm |
| Feed Compensation | 1,800 mm | 1,250 mm |
Chassis & Drive System Specifications
| Specification Item | SRZY90A | SRZY30A |
|---|---|---|
| Diesel Engine Power | 110 kW | 88 kW |
| Steering Angle | ±40° | ±38° |
| Rear Axle Oscillation | ±7° | ±7° |
| Approach / Departure Angle | 25° / 16° | 21° / 14° |
| Min. Turning Radius (Inner / Outer) | 4.3 m / 9.0 m | 3.6 m / 5.9 m |
| Travel Speed | 14 km/h | 13.5 km/h |
| Maximum Gradeability | 14° | 14° |
| Ground Clearance | 304 mm | 300 mm |
| Fuel Tank Capacity | 110 L | 60 L |
Auxiliary Air, Water & Electrical System Specifications
Air System
| Item | SRZY90A | SRZY30A |
|---|---|---|
| Air Flow | 900 L/min | 700 L/min |
| Motor Power | 7.5 kW | 3.0 kW |
| Working Pressure | 8 bar | 8 bar |
Water System
| Item | SRZY90A | SRZY30A |
|---|---|---|
| Water Flow | 75 L/min | 70 L/min |
| Motor Power | 3.0 kW | 3.0 kW |
| Water Pressure | 0.8–1.2 bar | 0.8–1.2 bar |
Electrical System
| Item | SRZY90A | SRZY30A |
|---|---|---|
| Total Motor Power | 65.5 / 85.5 kW | 61 kW |
| Power Supply | 380 V / 50 Hz (Customizable) | 380 V / 50 Hz (Customizable) |
| Floodlights | 8 × 48 W | 8 × 48 W |
| Working Lights | 2 × 300 W | 2 × 300 W |
| Cable Reel Capacity | 70 m | 70 m |
Configuration Options
Standard Configuration
High-frequency hydraulic drifter (1838ME or equivalent)
Heavy-duty box boom with hydraulic feed compensation
Four independent hydraulic outriggers
Electric-hydraulic power unit for drilling operations
Diesel engine power system for tramming and site maneuvering
70-meter automatic power cable reel
Protective FOPS canopy
Automated lubrication system for boom and drifter guide rails
High-intensity LED working light and floodlight package
Optional Configurations
FOPS/ROPS certified enclosed operator cabin with HVAC air conditioning
Customized electrical supply systems (e.g., 415V, 440V, 575V, 660V, or 1000V at 50/60 Hz)
Automatic drifter anti-jamming system
Extended feed beams for longer drill rod options
Diesel engine exhaust purifier / catalytic scrubber module
High-pressure water booster pump module
FAQ
Q: What types of projects is this drilling truck suitable for?
A: It is designed for underground metal mining, coal mine development, railway and highway tunneling, hydropower diversion tunnels, and subterranean cavern engineering.
Q: What hole diameters and depths can the machine drill?
A: The drilling diameter ranges from Ø43 mm to Ø76 mm, with maximum depths of 5,200 mm for the SRZY90A and 4,600 mm for the SRZY30A.
Q: Can the electrical system be customized for overseas voltage standards?
A: Yes, we regularly customize power systems for global standards ranging from 415V to 1000V at 50Hz or 60Hz.
Q: What operator safety protection options are available?
A: Options include a standard FOPS canopy or an upgraded, fully enclosed FOPS/ROPS cabin with climate control and noise isolation.
Q: How do you provide after-sales service and technical support overseas?
A: We offer 24/7 remote diagnostics, rapid international spare parts dispatch, and on-site engineering assistance for setup and training upon request.
Q: What is the standard lead time for factory production and ocean delivery?
A: Standard manufacturing takes 30 to 45 days, with ocean transit depending on your destination port.
Q: Do you offer OEM, ODM, or custom branding services for regional dealers?
A: Yes, we provide full OEM/ODM manufacturing including custom color schemes, branding, and tailored component selections.
Q: What standard commercial payment terms do you support for international orders?
A: We primarily accept Wire Transfer (T/T) and Irrevocable Letters of Credit (L/C at sight).
Q: What factory warranty coverage comes standard with this drilling jumbo?
A: We provide a 12-month or 2,000-operating-hour complete machine warranty, whichever comes first.
Q: Are replacement parts readily compatible with globally available third-party components?
A: Yes, core components like drifters, hydraulic pumps, and valves use international standard specs for easy local sourcing.
Q: Can you assist with localized import certifications such as CE or EAC compliance?
A: Yes, we supply all required factory documentation and international certification compliance packages prior to shipment.
Q: How is the equipment packed to fit inside standard ocean shipping containers?
A: Units are designed for modular teardown to fit into standard High-Cube (HQ) or Flat-Rack containers for safe transport.
Q: Is third-party factory acceptance testing (FAT) permitted before final balance payment?
A: Yes, we fully support third-party inspection agencies (such as SGS or TÜV) to perform live FAT testing prior to dispatch.
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