Water Well Drilling Machine/ Air Drilling Rig/ 260m Water Well Drilling Machine
ST 350 Crawler Chassis Mounted Drilling Rig Descrption
Model ST260 geothermal water well multifunctional drilling vehicle is a light, efficient and multifunctional drilling equipment. It has the characteristics of advanced structure, convenient use, high operation efficiency, reliability and durability. It is widely used for drilling wells, agricultural irrigation wells, geothermal air conditioning holes and other wells, especially for water intake projects in mountainous areas and rock strata. The drilling rig adopts new hydraulic technology, supporting high torque hydraulic motor rotation and large bore hydraulic cylinder propulsion, which greatly reduces the labor intensity, shortens the auxiliary time, and improves the construction efficiency and project quality.
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ST 350 Crawler Chassis Mounted Drilling Rig Technical Information
Model | ST 350 Pneumatic Drilling Rig Machine |
Drilling depth | 350m |
Dia.hole | φ140 - 325mm |
Advance Length one time | 6.6m |
Working pressure | 1.7-3.3MPa |
Air consumption | 17-35m³/min |
Length of rod | 1.5m,2m,3m, 6m |
Dia. Of rod | φ89,φ102,φ114 |
Lifting power | 24T |
Rotation torque | 6200-85000N.m |
Rotation Speed | 55-115r/min |
Diesel Engine | Yuchai |
Engine Power | 92Kw/2200rpm |
Travelling speed | 0-2.5 Km/h |
Climb capacity | 30° |
Weight | 9000kgs |
Dimension | 5900x2000x2850mm |
Application | Complicated geological conditions: Rock, Mud, Sand etc. |
ST-350 Crawler Chassis Mounted Drilling Rig Features
1. The engine uses Guangxi Yuchai 92kw turbocharged engine;
2. Traveling device: the traveling motor is equipped with reducer, which has long service life;
3. Hydraulic oil pump; Parallel transmission design () separate oil pump, sufficient power supply, reasonable distribution, unique design of hydraulic system, simple maintenance and low cost;
4. Power head unit; The gearbox is integrally cast, and dual motors provide power, with large torque, durability and low maintenance cost;
5. Drilling rig chassis; Excavator chassis, durable, large bearing capacity, wide chain plate, less damage to hard pavement;
6. Lifting force; The design of compound boom has the advantages of small volume, long stroke, double oil cylinder lifting and large lifting tonnage;
7. The lifting boom of each drilling rig is equipped with a stopper to protect the oil cylinder and ensure work safety;
8. Each hydraulic oil pipe is wrapped with a protective jacket to prolong the service life of the oil pipe.
Our company solemnly promises
Based on the principle of maximizing customer satisfaction, the company provides customers with fast and perfect pre-sales, in-sales and after-sales services.
1, In case of quality problems within the warranty period, the company will implement the "Three Guarantees" service according to the regulations.
2, After receiving the user's notice on product quality problems, immediately send after-sales maintenance personnel to deal with them.
3, Ex factory qualification rate: 100%;
4, Assist in installation and commissioning according to user requirements, and take the initiative to provide pre-sales and after-sales service. Install the management software to each business office, and train the operators of the business office in the use of the software; Conduct product knowledge training for product maintenance management personnel.
5, Conduct product use survey regularly to prevent accidents.





