Китайский туннельный бурильный станок EBZ200R для добычи 72-тонного бурового оборудования
220 000,00-280 000,00 $
Сохранить в закладки 1601342158593:
1 | complete machine | |
Model | φ8780 Earth pressure balance shield tunneling machine | |
Excavation diameter(mm) | 8820 | |
rotational speed of cutterhead(rpm) | 0.1~4.0 | |
Maximum propulsion speed(mm/min) | 100 | |
Maximum thrust(T) | 7200 | |
Total length of the entire machine(m) | 81.18 | |
Total length of host (including cutterhead) (mm) | 12000 | |
Total weight (main engine+rear supporting equipment) (T) | 900 | |
Applicable pipe segment specifications (outer diameter/inner diameter width/division)(mm) | Outer diameter 8500 Inner diameter7700 Width 1600 | |
Maximum design pressure(MPa) | 0.6 | |
Horizontal turning radius(m) | 550 | |
Vertical climbing ability(‰) | 40 | |
2 | Cutterhead | |
Cutterhead specification (diameter x length)(mm) | 8820×800 | |
Cutterhead opening rate(%) | About 30% | |
Total weight of structure(T) | 90 | |
Main structural component materials | Q345C | |
Number of foam mouth (piece) | 4 | |
Number of Bentonite Mouth (piece) | 4 | |
Number of active mixing arms | 5 | |
3 | cutters | |
Rolling cutter | 49 | |
Number of center replaceable roller cutters (pieces) | 9 | |
Number of replaceable roller cutters (pieces) | 40 | |
Extension of rolling cutter (mm) | 150 | |
Knife spacing | 4.0~104.6 | |
Scraper quantity (pieces) | 120 | |
Radial extension of scraper (mm) | 110 | |
Number of edge scrapers (pieces) | 36 | |
Number of wear monitoring points | 2 | |
12.5+12.5 composite steel plate area (outer circle) (㎡) | ||
6.4+6.4 Composite steel plate area (panel) (㎡) | ||
4 | Center swivel | |
Number of foam channels (channel) | 4 | |
Number of channels for bentonite (channels) | 4 | |
Number of hydraulic channels (channels) | 6 | |
5 | Main drive | |
Drive type (electric drive, hydraulic drive) | electric drive | |
Number of driving groups (groups) | 14 | |
Total driving power (kW) | 2380(170kW×14) | |
Speed range (rpm) | 0.1~4.0rpm | |
Rated torque (kN · m) | 10046 | |
Relief torque (kN · m) | 12056 | |
Main bearing life (h/km) | 10kilometre | |
Sealing type | Lip shape | |
Number of inner lip seals (pieces) | 3 | |
Number of outer lip seals (pieces) | 3 | |
6 | Shield body | |
Type | Earth pressure balance | |
Front shield specifications (diameter) (mm) | 8780 | |
Front Shield Weight (T) | 96 | |
Number of passive mixing arms | 3 | |
Number of lubrication holes on the front shield housing (pieces) | 16 | |
Number of pressure sensors | 6 | |
Number of advanced grouting holes for the partition (pieces) | 8 | |
Middle Shield Specification (diameter) (mm) | 8780 | |
Weight of Middle Shield (T) | 196 | |
Number of lubrication holes in the middle shield housing (pieces) | 6 | |
Tail shield specification (diameter) (mm) | 8770 | |
Tail shield weight (T) | 52 | |
Number of lubrication holes on the tail shield housing (pieces) | 6 | |
Number of rows of tail shield sealing brushes (rows) | 4 | |
Tail shield grouting plate (row) | 1 | |
Number of emergency airbag seals (track) | 1 | |
Shield tail installation gap (mm) | 30 | |
Number of single liquid injection pipes (pieces) | 4 | |
Number of grease injection tubes (pieces) | 26 | |
Articulated type (active, passive) | active | |
Material of the main structural components of the shield body | Q345C | |
7 | Human cabin | |
type | Double cabin sliding door type | |
Working pressure (MPa) | 0.6 | |
8 | Spiral conveyor (only filled when using earth pressure balance shield tunneling machine) | |
Spiral shaft type | With shaft type cantilever type | |
Specification (diameter x length) (mm) | 1000×13440 | |
Maximum passing particle size (mm) | 320 | |
Maximum slag discharge capacity (m3/h) | 317 | |
Driving form | Peripheral hydraulic motor drive | |
Number of driving groups (groups) | 2 | |
Drive power (kW) | 75kw×2 | |
Maximum torque (kN · m) | 147 | |
Speed range (r/min) | 1.5~13.3 | |
Rotation direction | Positive and negative | |
Number of gates (gates) | 3 | |
Soil improvement injection port (number) | 3 | |
Number of pressure sensors | 1 | |
Telescopic mechanism (piece) | 2 | |
Expansion length (mm) | 695 | |
Total weight (T) | 24 | |
Is it equipped with a secondary screw conveyor | No |
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