Pneumatic Rock Drill Rods Manufacturer
Pneumatic Rock Drill Rods are an important component in the field of pneumatic tools, mainly used for drilling operations on hard materials such as rocks.
1、 Definition and purpose
The drill rod of a pneumatic rock drill is a key component of the pneumatic rock drill. It uses compressed air as a power source to push the drill rod and drill bit into the rock through the impact and rotation of the pneumatic rock drill, thereby achieving the purpose of drilling. Pneumatic rock drills are widely used in mining, tunnel excavation, rock exploration, water conservancy and hydropower engineering and other fields.
2、 Structure and Characteristics
Structure: The drill rod of a pneumatic rock drill usually consists of three parts: the rod body, the joint, and the drill bit. The rod body is the main part of the drill rod, usually made of high-strength alloy steel to withstand the impact and torsional forces during drilling. The joint is used to connect the drill rod and the rock drill, ensuring that the drill rod can stably transmit power. The drill bit is the working part of the drill rod, used for directly crushing rocks.
characteristic:
High strength: The drill rod needs to withstand the huge impact and torsional force during the drilling process, so it must have high strength.
Wear resistance: The drill rod will rub against the rock during the drilling process, so it must have good wear resistance.
Easy to replace: In order to facilitate maintenance and replacement, drill rods are usually designed with modularity, which allows for easy disassembly and replacement of drill bits.
3、 Working principle
The working principle of the drill rod of the pneumatic rock drill is based on the working principle of the pneumatic rock drill. When compressed air enters the rock drill, it will push the piston to perform reciprocating motion, thereby generating impact force and rotational force. These forces are transmitted to the drill bit through the drill rod, causing the drill bit to perform impact and rotation drilling in the rock.
4、 Usage and maintenance
Usage: When using the drill rod of a pneumatic rock drill, the following points should be noted:
Ensure that the connection between the rock drill and the drill rod is firm and reliable.
Select appropriate drill bits and rods based on the hardness of the rock and the diameter of the borehole.
Proper impact force and rotation speed should be maintained during the drilling process.
Maintenance: In order to extend the service life of the drill rod of the pneumatic rock drill, regular maintenance and upkeep are required. Specifically, it includes:
Regularly inspect the wear of drill pipes and replace severely worn ones in a timely manner.
Keep the drill rod and rock drill clean to prevent dust and debris from entering.
Lubricate the drill rod to reduce friction and wear.
5、 Development Trends
With the advancement of technology and the development of engineering fields, the drill rods of pneumatic rock drills are constantly improving and innovating. Future development trends may include:
Material innovation: Using higher strength and more wear-resistant materials to manufacture drill rods to improve their service life and performance.
Intelligent design: By integrating sensors and intelligent control systems, real-time monitoring and intelligent control of the working status of drill pipes can be achieved.
Modular design: Further optimize the modular design of the drill pipe to make it easier to disassemble, replace, and maintain.
In summary, the drill rod of a pneumatic rock drill is an important component in the field of pneumatic tools, with broad application prospects and development potential. With the continuous advancement of technology and the continuous development of engineering fields, the performance and intelligence level of pneumatic rock drilling drill rods will continue to improve, providing more efficient and reliable drilling solutions for various engineering fields.
Pneumatic rock drill rod models
| 22mm（7/8″）Tapered drill rods | L | Taper Degree | Weight (kg) | |
| mm | foot/inch | |||
| H22×108 Shank | 500 | 1′5/8″ | 7o | 1.5 |
| 800 | 2′7 1/2″ | 2.4 | ||
| 1000 | 3′3 3/8″ | 3 | ||
| 1200 | 3′11 1/4″ | 3.6 | ||
| 1500 | 4′11″ | 4.5 | ||
| 1800 | 5′10 7/8″ | 5.5 | ||
| 2000 | 6′6 3/4″ | 6.1 | ||
| 2200 | 7′2 5/8″ | 6.7 | ||
| 2500 | 8′2 3/8″ | 7.6 | ||
| 3000 | 9′10 1/8″ | 9.1 | ||
| 3500 | 11′5 3/4″ | 10.6 | ||
| 4000 | 13′1 1/2″ | 12.1 | ||
| 4500 | 14′9 1/8″ | 13.6 | ||
| 5000 | 16′4 5/8″ | 15.1 | ||
| 6000 | 19′8 1/4″ | 18.2 | ||
| 7000 | 22′11 5/8″ | 21.2 | ||
| 8000 | 26′3″ | 24.2 | ||
| H22×108 Shank | 800 | 2′7 1/2″ | 12o | 2.4 |
| 1200 | 3′11 1/4″ | 3.6 | ||
| 1600 | 5′3″ | 4.9 | ||
| 2200 | 7′2 5/8″ | 6.7 | ||
| 2400 | 7′10 1/2″ | 7.3 | ||
| 3200 | 10′6″ | 9.7 | ||
| H22×108 Shank | 1800 | 5′10 7/8″ | 7o | 5.5 |
| 2000 | 6′6 3/4″ | 6.1 | ||
| 2500 | 8′2 3/8″ | 7.6 | ||
| 3000 | 9′10 1/8″ | 9.1 | ||
| 3500 | 11′5 3/4″ | 10.6 | ||
| 4000 | 13′1 1/2″ | 12.1 | ||
| 5000 | 16′4 5/8″ | 15.1 | ||
| 25mm（1″）Tapered drill rods | L | Taper Degree | Weight (kg) | |
| mm | foot/inch | |||
| H25×108 Shank | 1500 | 4′11″ | 7o | 5.9 |
| 1600 | 5′3″ | 6.3 | ||
| 1800 | 5′10 7/8″ | 7.1 | ||
| 2000 | 6′6 3/4″ | 7.9 | ||
| 2500 | 8′2 3/8″ | 9.9 | ||
| 3000 | 9′10 1/8″ | 11.9 | ||
| 4000 | 13′1 1/2″ | 15.8 | ||
| H25×159 Shank | 4200 | 13′9 3/8″ | 7o | 16.6 |
| 4700 | 14′10″ | 18.6 | ||
| 5000 | 16′4 5/8″ | 19.8 | ||
| 5500 | 18′1/2″ | 21.7 | ||
