
                              Shandong Hongrun Group (China) Co., Ltd. is located in Jining, Shandong, China, the hometown of Confucius. We are a comprehensive industry and trade integrated enterprise that values quality and reputation.
                            
1.tunnel drilling rig: Advanced automation and high-performance hydraulics.
2.Higher Efficiency: Improved performance over previous models.
3.Stronger Adaptability: Excels in complex geological conditions.
4.Smart Control: Intuitive and intelligent operating system.
5.Improved Safety: Enhanced construction stability and safety.
Product Introduction
The advantages of tunnel drilling rig
1.Intelligent automatic control; the system realizes precise drilling parameter adjustment, reduces human errors, and improves drilling efficiency and safety.
2.High-efficiency hydraulic system;the tunnel drilling rig adopts imported hydraulic components, which are stable and durable, with sufficient output power to adapt to drilling in complex rock formations.
3.Modular design; the tunnel drilling rig is divided into multiple modules, which is convenient for transportation and installation, and fast for on-site assembly.
4.Multi-function drilling mode; compatible with various working conditions such as rotary drilling, impact drilling, and hammer drilling, and flexible to deal with different rocks.
5.Safety protection system; equipped with overload protection, temperature monitoring, and emergency stop button to ensure the safety of operators and equipment.
6.High-stability drilling tower; the drilling tower adopts a reinforced steel structure to improve the ability to resist earthquakes and shakes and ensure the verticality of drilling holes.
Parameter table of tunnel drilling rig
| Model | HR-260Q(Original STD-300) | Motor | 45kw | 
| Drilling diameter | 0-200mm | Minimum ground clearance height for drilling | 20cm | 
| Drilling depth | 0-50m | Diesel engine | Yuchai 4105 turbocharged 85kw  | 
| Power head | Single hydraulic motor  (supports customized)  | One propulsion travel | 2m | 
| Power head speed | 90 r/min | Crawler chassis | 2800*1900mm | 
| Drill pipe diameter | 42/50/60/76/89mm | Weight | 6000kg | 
| Drill frame turntable | 360° rotation (supports customized)  | Dimension | 7900*1900*2300mm | 
Consultation and customization services, with technical parameters traceable and adjustable throughout the process.
The structural composition of the tunnel drilling rig
1.Main frame: bears the weight of the whole machine and supports all working parts
2.Hydraulic power system: provides driving energy, including hydraulic pump, motor, control valve
3.Drilling device: spindle, drill rod, drill bit, supports multiple drilling methods
4.Automatic control system: PLC main control unit, operation panel, sensor network
5.Safety protection device: protective cover, safety switch, emergency stop system
6.Mobile chassis: crawler or wheeled, easy to transfer on site
Application fields of tunnel drilling rig
1.Urban rail transit tunnels; subway tunnel excavation, light rail and suburban railway construction
2.Highway and railway tunnels; highway mountain tunnels, railway tunnel drilling and expansion
3.Water conservancy and hydropower engineering; reservoir water diversion tunnels, underground flood discharge channels
4.Mines and development; mine shaft excavation, underground storage rooms, warehouses and other space construction
5.Geological exploration; geological drilling hole construction, shield machine assisted drilling

Packaging and transportation
1.Standard packaging is wooden box with protective film, and important parts are coated with anti-rust oil
2.Supports modular disassembly packaging, suitable for international sea and land transportation
3.Strict quality inspection before delivery to ensure that the whole machine is intact
4.Transportation mode: land, sea, air, to meet the needs of different customers
 
After-sales service
1.The equipment warranty period is 12 months, and repairs are free of charge for non-human damage
2.Provide on-site installation and commissioning guidance and remote technical support
3.Sufficient spare parts supply to ensure long-term maintenance needs
4.Operation training and technical upgrade services can be provided
5.Overseas customers support multi-language technical services
FAQ
Q1: Can tunnel drilling rig adapt to different geological environments?
A: Yes, the equipment supports multiple drilling modes and can flexibly cope with soft and hard rock formations.
Q2: Is the equipment maintenance complicated?
A: The structure is modular and maintenance is convenient. The manufacturer provides a complete operation and maintenance manual.
Q3: Does it support remote control and monitoring?
A: Yes, it is equipped with an intelligent PLC system, which can realize remote parameter monitoring and adjustment.
Q4: How to ensure the safety of the equipment during transportation?
A: It adopts modular disassembly packaging, anti-rust treatment and reinforcement to ensure transportation safety.