Zhengzhou Qugong Machinery Equipment Co., Ltd.
Main products:Air Compressor,Screw Compressor
Products
Contact Us
  • 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

2012 Economy and high speed down hole hammer

2012 Economy and high speed down hole hammer
Product Detailed
Down hole hammer 1.Best heat treated 2.First class alloy steel 3.high speed ,most stable performance 4.Easy to maintain

Down hole 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 

time/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

 

 

 

 

 

          Photos          

          

 

 

 

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

 

                                           

2012 Economy and high speed down hole hammer



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