Rotary Drilling Rig
Main Technical Parameters of YTR300D Rotary Drilling Rig
Maximum drilling diameter of rotary drilling rig |
mm |
2500 |
|
Drilling depth of rotary drilling rig |
m |
30/52/76 |
|
Engine ofrotary drilling rig |
Model |
DE12T |
|
Manufacturer |
DOOSAN |
||
Configured power |
kW |
260 |
|
Power head |
Max. output torque |
kN·m |
300 |
Drilling speed |
r/min |
6~31 |
|
Pressurized cylinder |
Maximum pressure |
kN |
215 |
Maximum pull force |
kN |
230 |
|
Stroke of sledge |
mm |
5330 |
|
Main winch |
Lifting force |
kN |
280 |
Maximum line speed |
m/min |
65 |
|
Diameter of steel wire rope |
mm |
36 |
|
Placement |
Rear-mounted |
||
Impact winch |
Pull force (first floor) |
kN |
100 |
Maximum line speed |
m/min |
70 |
|
Diameter of steel wire rope |
mm |
26 |
|
Mast |
Forwards inclination |
° |
5 |
Sidewards inclination |
° |
±3.5 |
|
Chassis |
Width of crawler board |
mm |
800 |
Towing force |
kN |
570 |
|
Overall chassis length (wheel track) |
mm |
5000 |
|
Overall dimension |
Equipment width under working state |
mm |
4300 |
Equipment height under working state (no/with upper mast) |
mm |
20600/22300 |
|
Equipment length under transportation state (no/with upper mast) |
mm |
17260/19710 |
|
Equipment height under transportation state |
mm |
3700 |
|
Equipment width under transportation state |
mm |
3000 |
|
Weights |
Working state |
t |
100 |
Transportation state |
t |
85 |
|
Maximum length of drill rod without upper mast (drilling depth is 30 m) |
3X12m φ508 machine-locked drill rod |
||
Maximum length of drill rod with one section of upper mast (drilling depth is 52 ) |
4X14.5m φ508 machine-locked drill rod |
||
|
Maximum length of drill rod with one section of upper mast (drilling depth is 76 m) |
6X14.5m φ508 friction-type drill rod |
||
Main configurations of YTR300D rotary drilling rig
Component |
Name |
Supplier |
Chassis |
Upper vehicle |
DOOSAN |
Lower vehicle |
Yutong |
|
Engine |
DOOSAN |
|
Master pump |
Rexroth |
|
Power head |
Motor |
Rexroth |
Reductor |
Bonfiglioli (Italy) |
|
Main winch |
Motor |
Rexroth |
Reductor |
Rexroth |
|
Impact winch |
Motor |
Shanghai Electric |
Reductor |
Tai'an Fushen (specially used in dynamic compactor) |
|
Traveling system |
Motor |
Shanghai Electric |
Reductor |
Bonfiglioli |
|
Hydraulic system |
Main pump and main valve |
Key components and parts adopt international famous brands |
Rubber hose |
MANULI |
|
Connector |
Yonghua |
|
Hydraulic oil cylinder |
Luzhou Bangli/Jiangdu Yongjian |
|
Auxiliary pump |
Rexroth |
|
Auxiliary valve |
Rexroth |
|
Electrical system |
Yutong high-configuration electric control system |
Key components and parts adopt international famous brands |
Controller |
Finland EPEC |
|
Display screen |
Germany GRAF |
|
|
Drill rod |
Shenwei/Hengtong/Shenli/Hongxiang |
|
Drilling tools |
Juli Geo-engineering Technical Development Company (Langfang)/Beijing Yinxin Haida Engineering Machinery Co., Ltd/Tianjin Bafang |
- The drill rig adopts dual-boom parallelogram structure, providing flexible action and high construction efficiency. Meanwhile, such a structure enhances the capacity of torsion resistance of the luffing mechanism, making the rig more suitable for the construction on hard rock formation;
- Power head uses two groups of large-motor reductors, providing powerful power, reliable security and high transmission efficiency; the power head has three speeds and it can select speeds according to different strata and working condition, greatly improving the efficiency of construction;
- The impact winch adopts free-fall reductor. It is difficult for the drill rig to drill hard rock. At this moment, impact winch can be used to hoist and lower the impact hammer to damage the rock, and then drilling bucket can be used to pick up the slag, so as to improve the efficiency of drilling into the rock. When the drill rig is drilling into pebble bed, impact winch can be used to impact and squeeze the pebble bed in order to form a protective wall. When the drill rig is drilling into backfill soil, impact winch can be used to impact and ram the soil in order to form a dense protective wall to prevent landslides.
- The usage of telescopic chassis not only can meet the conditions of transport, but also can make the width of the complete machine reach 4.3 m during working, so it enhances machine stability and construction safety;
- Casing drive is optional for completing full casing construction method;
- Rear-placed main winch adopts lengthened-type large-diameter winding drum, which greatly improves the service life of steel wire rope;
- The machine adopts centralized lubrication, making maintenance and use become easy and improving the disassembly and maintainability of the drill rig;
- It is equipped with forehead cylinder, through which the pulley-yoke can automatically fold the mast, so as to reduce labor intensity and improve work efficiency;
- The drill rig is equipped with support leg, which can provide support when the impact winch is working, so as to reduce the shaking and ensure the stability of complete machine.
Zhengzhou Yutong Group Co., Ltd. (referred to as “Yutong Group”), headquartered in Zhengzhou City, Henan Province, is a large international group with diversified, cross-industry and high-tech manufacturing capabilities covering passenger cars, environmental protection, engineering machinery and special vehicles, auto parts and real estate, etc. With products as the driving force, capital as the link and corporate culture as the core, the Group enjoys rapid development.
Zhengzhou Yutong Heavy Industries Co., Ltd. (hereinafter referred to as "Yutong Heavy Industries") is the core enterprise of Yutong Group, a professional manufacturer integrating research and development, manufacturing and sales service. It has been certified as a high-tech enterprise by Science and Technology Agency, Henan Province. As a large national-appointed enterprise for military and civil engineering machinery production, Yutong Heavy Industries is the manufacturer of engineering machinery and special equipment for the PLA. Being one of the 50 largest engineering machinery manufacturers in China, we own independent import and export rights. The Company is located in Zhengzhou City, Henan Province, with registered capital of 600 million and more than 3,000 employees.
Yutong Heavy Industries was formerly known as Zhengzhou Machinery Factory, specializing in the production of military machinery for engineer troops. After reform and restructuring, the Company focused on the development of new products. Up to now, we have successfully developed a series of high value-added products, such as rotary drilling rig, long spiral drill rig, crawler cranes, dynamic compactor, and mining dump truck, etc. Currently, the Company has owned five major business departments - Foundation Works Machinery Business Department, Special-purpose Vehicle Business Department, Mining Machinery Business Department, Sanitation Machinery Business Department, International Business Department, and a wholly owned subsidiary- Zhengzhou Yutong Environmental Protection Science & Technology Co., Ltd., covering foundation construction, resources exploitation, environmental protection and other fields. Of which, the market shares of some products, such as package landfill environmental equipment, dynamic compactor and impact compactor, rank first in China; and the sales of the rotary drilling rig, long spiral drill rig and mining dump truck are also in leading position. In overseas, the sales of high-tech and new, cutting-edge products represented by the multi-functional rotary drilling rig, new-generation loader and scraper is increasing rapidly, which has become a new highlight. Yutong Environmental Protection takes “improving environment and making contributions to society” as its mission, focusing on “food waste collection, disposal and treatment”, “mud treatment”, “water treatment” and “environmental protection equipment”, etc. It sets up a environmental protection design institute and builds strategic cooperation relationships with famous domestic and foreign institutes. Meanwhile, it builds the company’s core competitiveness through absorbing advanced environmental protection technologies at home and abroad. It possesses Level II General Contractor Qualification of Environmental Protection Project, Level III General Contractor Qualification of Municipal Engineering Projects, Grade A Pollution Treatment Implementation Operator Qualification, Safety Production License, ISO9001:2000 Quality Management System Certification and ISO14001-2004 Environmental Management System Certification, etc.
As a professional manufacturer of the engineering machinery for the PLA engineer troops, Yutong Heavy Industries has made outstanding contributions to China’s defense in the past 50 years. We have provided the General Armament Department with many military products such as the wheel bulldozer, wheel loader, pull-type flatbed truck, high-speed bulldozer and high-speed loader, which are widely used in national defense construction. We use high-quality products to win the praise of the military.
With more than 50 years of military industry experience and technology, adhering to the corporate values of Integrity, Collaboration and Innovation and the brand concepts of Full Care and Trust, based on “customer-oriented and employee-oriented” management idea, Yutong Heavy Industries is speeding up the management transformation, product structure optimization and staff team construction to rapidly expand overseas markets, continuously improve the core competitiveness and lay a solid foundation for the significant development of the enterprise.
Yutong Heavy Industries has settled in the new industrial park since 2013. The new industrial park covers an area of about 2000 mu (1,333,333 m2), where we are enjoying the advanced, energy-saving, environmental-friendly technical conditions which provide us strong support for the development and manufacturing of new products. The use of the new industrial park will facilitate us to go up to a new stage.
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