HC420 open-air submersible hole drilling
HC420 open-air submersible hole drilling
HC420 crawler submersible drill is self-propelled hydraulic drilling equipment. Adopt new hydraulic technology, rotary using double motor belt reducer structure, high rotary torque; push with oil cylinder belt plate chain, push, improve smoothly and quickly. New drilling arm structure, suitable for drilling position horizontal anchor hole. HC420 drilling car is mainly used for various mining, water conservancy, traffic, anchor bolt support, slope protection and other projects of the open-air submersible hole drilling car
swiveling head
Turn adopts double motor belt reducer structure, and equipped with manual rotary valve, has, high torque low speed and low torque high speed two gears, the maximum output torque 4400 NM
Engine
Equipped with 58KW Yuchai four-cylinder diesel engine, strong power. The console adopts a two-layer duplex structure, reasonable position, operator Easy; the new hydraulic system, propulsion, rotary, fast and slow gear, and using dual, motor double speed rotary, to meet the different working conditio
Arm drill system
The structure design of the drill arm and guide rail is optimized to improve the reliability, flexibility and durability of the drill structure. Minimum horizontal hole height of Minimum horizontal hole height of 300mm
Filter System
The pre-filter, oil bath air filter and air filter are used in three levels to guarantee the work of the diesel engine in the high dust environment
Walking motor crawler frame
Using engineering walking motor, strong climbing ability, failure rate
Main technical performance parameters
| Item No. | HC420 |
| Adapt to rock hardness | 6~20 |
| borehole diameter (mm) | 95~140(115) |
| Economic drill depth (m) | 30 |
| Single-machine climbing capacity of | ≥25 |
| Push way | hydro-cylinder |
| Propel stroke (mm) | 3000 |
| Maximum enhancement force | 25 |
| Swing torque (N m) | 4400 |
| Swing rotation speed (r/min) | 0~100 |
| Working wind pressure (MPa) | 1.2~2.4 |
| Air consumption (m³ / min) | 11~21 |
| Host power (kw) | 58 |
| Drilling arm horizontal swing angle | left9 right12 |
| Walking speed (km/h) | 2.5 |
| ground clearance (mm) | 300 |
| outline dimension (mm) | 6000×2200×2100 |
| Weight | 5000 |
