TR308H is a classic medium-sized drilling rig that has both economic and efficient functional advantages, as well as strong rock drilling ability; Especially suitable for construction of medium-sized Pile foundation in East China, Central China and Southwest China.
New Generation Rotary Drilling Rig
Innovative design of the industry’s first all-electric control technology, which is controlled by electrical signals throughout the entire process, subverts the traditional control method of rotary drilling rigs, and possesses super-generation technical advantages.
A new layout of the vehicle structure; The latest Carter rotary excavator chassis; A new generation of power heads, high-strength twision resistant drill pipes; hydraulic components such as main pumps and motors are all equipped with large displacement.
Guided by market demand and guided by technological innovation, it is positioned to develop high-quality pile foundation construction machinery to solve the problems of low construction efficiency, high construction cost and severe pollution of ordinary drilling rigs, and to provide high-end quality products for construction enterprises.
It is positioned to provide customers with overall construction solutions, especially in complex application environments and geological conditions, to improve the construction revenue of construction projects and achieve win-win cooperation with customers.
Technical Specifications
| Main parameters |
Parameter |
Unit |
| Pile |
| Max. drilling diameter |
2500 |
mm |
| Max. drilling depth |
90/95 |
m |
| Rotary drive |
| Max. output torque |
300 |
KN-m |
| Rotary speed |
6~23 |
rpm |
| Crowd system |
| Max. crowd force |
290 |
KN |
| Max. pulling force |
335 |
KN |
| Stroke of crowd system |
6000 |
mm |
| Main winch |
| Lifting force (the first layer) |
320 |
KN |
| Wire-rope diameter |
36 |
mm |
| Lifting speed |
65 |
m/min |
| Auxiliary winch |
| Lifting force (the first layer) |
110 |
KN |
| Wire-rope diameter |
20 |
mm |
| Mast inclination angle |
| Left/right |
6 |
° |
| Forward |
5 |
° |
| Chassis |
| Chassis model |
CAT345GC |
|
| Engine manufacturer |
CATERPILLAR |
|
| Engine model |
C-9.3 |
|
| Engine power |
263 |
KW |
| Engine power |
1750 |
rpm |
| Chassis overall length |
5860 |
mm |
| Track shoe width |
800 |
mm |
| Tractive force |
680 |
KN |
| Overall machine |
| Working width |
4300 |
mm |
| Working height |
24288 |
mm |
| Transport length |
17662 |
mm |
| Transport width |
3000 |
mm |
| Transport height |
3682 |
mm |
| Total weight (with kelly bar) |
93 |
t |
| Total weight (without kelly bar) |
79 |
t |
Specification for standard Kelly bar
- Friction Kelly bar: ∅508-6*16.5
- Interlock Kelly bar: ∅508-4*16.5
Frequently Asked Questions
What are the primary applications for the TR308H drilling rig?
The TR308H is a classic medium-sized rotary drilling rig designed for both economic efficiency and strong rock drilling capabilities. It is particularly suitable for the construction of medium-sized pile foundations in East China, Central China, and Southwest China.
What is the advantage of the all-electric control technology?
As the industry's first all-electric control technology, the entire process is controlled by electrical signals. This subverts the traditional hydraulic control methods of rotary drilling rigs, resulting in higher responsiveness and superior operational efficiency.
What chassis and engine are equipped on the TR308H?
The rig features the latest CAT345GC chassis and is powered by a Caterpillar C-9.3 engine. The engine delivers a rated power of 263 KW at 1750 rpm, providing robust and reliable power for heavy-duty drilling operations.
What is the maximum drilling capacity of this machine?
The TR308H has a maximum drilling diameter of 2500 mm and can reach a maximum drilling depth of 90 to 95 meters, making it highly versatile for various geological conditions.
What types of Kelly bars are available for the TR308H?
It supports standard Kelly bars including the Friction Kelly bar (∅508-6*16.5) and the Interlock Kelly bar (∅508-4*16.5) to suit different torque requirements and ground formations.
What is the transport weight and dimensions of the rig?
Without the Kelly bar, the total weight is 79 tons (93 tons with the Kelly bar). For transportation, it has a transport length of 17662 mm, a width of 3000 mm, and a height of 3682 mm.