In May 2018, the leaders of China Railway Construction Headquarters observed the test at the granite site in Guangdong. ZEGA integrated drilling truck D440 dust removal, noise, efficiency and mobility have been highly recognized and praised by the leaders of the headquarters.
Below is a picture of the construction site< a href="https://www.lishila.com/"> historical story> https://www.lishila.com/
Headquarters leaders visited the construction site to check the operation of the machine and guide the work.
Accompanied by company managers and staff, leaders have an in-depth understanding of machine operation and construction efficiency.
At the scene, the leader fully checked the all-round operation of the machine. Guiding opinions are provided where there are deficiencies. And gave a high uation to the on-site employees who stick to their posts and dedicate themselves.
ZEGA integrated drilling rig D440 dust removal, noise, efficiency, maneuverability are highly recognized and praised by headquarters leaders. Country
| main technical parameters of D440 |
| recommended aperture range |
Drill arm type |
High strength single straight arm |
| Aperture range |
Ø90 -130 mm |
propulsion beam |
| Suitable for DTH impactors |
3.5 inch / 4inch |
Way forward |
Motor chain propulsion system |
| lever change system capability |
Overall length |
6,865 mm |
| Number of poles |
7+1 |
Advance the trip |
4,100 mm |
| Drill pipe outer diameter |
68 mm / 76 mm |
Advance compensation |
1,200 mm |
| Drill pipe length |
3.5 m |
Maximum propulsion speed |
0.85 m/s |
| Automatic rod change maximum hole depth |
28 m |
Maximum propulsion |
15 kN |
| hydraulic rotary head |
Maximum pulling force |
31 kN |
| Swing speed |
0-105 rpm |
chassis |
| Maximum operating torque |
2800 Nm |
Maximum two-speed walking |
3 km/h |
| engine |
Maximum driving force |
115.4 kN |
| Engine model |
QC8.3 |
Climbing ability |
30º (when greater than 20º, it is recommended to have a winch). |
| Rated power |
191 kW @ 2,000 rpm |
Track frame swing angle |
± 10° |
| Emission class |
2 / Country 3 |
Ground clearance |
450 mm |
| fuel tank |
Shipping dimensions (without options), approximately |
| Capacity |
350 L |
Weight |
15,000 kg |
| Air compressor |
|
Width |
2,480 mm |
| Maximum working pressure |
20 Bar |
Length |
9,980 mm |
| Displacement |
16 m³/min |
Height |
3,200 mm |
Product
