- Contact Person : Ms. Lee Admin
- Company Name : Zhengzhou Qugong Machinery Equipment Co., Ltd.
- Tel : 86-371-66880787
- Fax : 86-371-66726089
- Address : Henan,Zhengzhou,The South Room of 14th floor, Unit3, No.28 Yiquan Community,Shangzhuang Village,Nancao Town,Guancheng District
- Country/Region : China
- Zip : 450000
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DTH hammer
Specification:
1.Durable impact parts
2.High speed , most stable performance
3.First class alloy steel
4.Easy to maintain
Application fielsds :
1.Hydraulic project
2.Surface and undergroud mining
3.Shoring and grouting
4.Infrastructure
5.Foundation
1.This kind of hammer is designed as a strong-wind system, which can have all the high-pressure gas flush off with an aim that keep the hole’s bottom clean.The durable piston on the hardness treatment can have two end changed ,which can extend the working life .
2.Designed a changeable vapour lock,which can change the gas charge according to rocks hardness and abrasion resistance to realize the best flash effect and highest drilling effciency.
3.Simple structure and few but wearable spare parts make longer working time.
4.Front joint adding with a multiply heads thread makes the disassembly much easier.
Operation and maintenance
Technical Parameter
Low pressure DTH hammer : Hole range 70mm-165mm External diameter:67mm-124mm
Working pressure :0.5-2.1Mpa Impact rate :3-25 m3/min
Model | Hole range DIA mm | External Diameter mm | Length mm | Weight kg | Working Pressure MPA | Air Consumption m3/min | Impact Rate times/min | Rod mm |
QG-76A | 70-76 | Φ67 | 766 | 15 | 0.5-0.7 | 3 | Over 810 | Φ42 Φ50 |
QG-90 | 90-100 | Φ80 | 796 | 22 | 0.5-0.7 | 7 | Over 840 | Φ50 Φ60 |
QG-90A | 90-100 | Φ80 | 796 | 22 | 0.5-0.7 | 6 | Over 840 | Φ50 Φ60 |
QG-110A | 100-120 | Φ95 | 838 | 36 | 0.5-0.7 | 11 | Over 840 | Φ50 Φ60 Φ70 |
QG-930 | 90-100 | Φ80 | 870 | 24 | 0.8-1.2 | 6 | Over 700 | Φ50 Φ60 |
QG-940 | 110-140 | Φ80 | 907 | 38 | 0.7-1.7 | 4.5-8 | 810- 1450 | Φ50 Φ60 Φ76 |
QG-115 | 110-140 | Φ100 | 1038 | 47 | 1.2-2.0 | 3.5-15 | Over 820 | Φ76 |
QG-140 | 152-165 | Φ124 | 1450 | 126 | 0.7-2.1 | 8.5-25 | Over 822 | Φ76 |
About US
Our factory have over 20 years experiences in manufacturing DTH hammer.
At the same time ,we have good faith both in our countries and foreign markets.
If you like our product ,pls kindly contact us any time when your feel free.
We will supply our best service and product for you.
Contact Information
Faster drilling speed DTH hammer