Pipe Jacking Machines
SLURRY TYPE
UNICORN MICROTUNNELINGDH-FS
The unique of the DH-FS type is that it can be jacked from a small starting pit.
Its structure can be divided into 4 smaller portions means that it can be collected from existing man hole.
A hydraulic drive system is employed, realizing powerful excavation performance and space saving.
■ Specifications of DH-FS
| I.D. | Dimensions φD×L(㎜) |
Weight (t) |
Power (kW ×set) |
Torque (kN･m) |
Rev. (min-1) |
Piping | Steering Shaft (m) |
Arriving Shaft (m) |
|---|---|---|---|---|---|---|---|---|
| φ300 | 440x2380 | 1.3 | 30x1 (Hyd. motor) | 11 | 0-15 | 2B | φ2.0 | φ1.6 |
| φ400 | 560x2500 | 1.9 | 30x1 (Hyd. motor) | 15 | 0-15 | 2.5B | φ2.0 | φ1.6 |
| φ500 | 690x2705 | 2.8 | 30x1 (Hyd. motor) | 24 | 0-10 | 3B | φ2.5 | φ2.0 |
| φ600 | 800x2670 | 3.5 | 30x1 (Hyd. motor) | 35 | 0-7.5 | 3B | φ2.5 | φ2.0 |
| φ700 | 920x2670 | 4.2 | 30x1 (Hyd. motor) | 35 | 0-7.5 | 3B | φ2.5 | φ2.0 |
■ Specifications of jacking system
| I.D. | 300 | 400 | 500 | 600 | 700 |
|---|---|---|---|---|---|
| Steering Shaft (m) | φ2.0 | φ2.0 | φ2.5 | φ2.5 | φ2.5 |
| Power (kN) | 350kN x 2 | 500kN x 2 | 750kN x 2 | 900kN x 2 | 1000kN x 2 |
| Stroke (mm) | 675 | 675 | 665 | 800 | 800 |
| Width (mm) | 1090 | 1090 | 1270 | 1434 | 1434 |
| Length (mm) | 1816 | 1816 | 1880 | 2225 | 2225 |
| Pipe Center | 431 | 431 | 510 | 525 | 525 |
| Weight (kg) | 950 | 1000 | 1200 | 2100 | 2500 |
| Hydraulic Unit | 30kW + 7.5kW | 30kW + 7.5kW | 30kW + 7.5kW | 30kW + 7.5kW | 30kW + 7.5kW |
■ Specifications of DH-FS
| I.D. | Dimensions (㎜) φD×L |
Weight (t) |
Power (kW ×set) |
Torque (kN･m) |
Revolution (min-1) |
Steering Jack (kN ×st ×set) |
Hydraulic unit (kW) |
Piping in shield body (mm) |
Min MH (mm) |
||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 50Hz | 60Hz | 50Hz | 60Hz | ||||||||
| φ250 | 380 x 2295 | 0.8 | 2.2 x 1 | 4.4 | 3.8 | 4.8 | 5.8 | 50 x 10 x 3 | 0.18 | 50 | φ900 |
| φ300 | 430 x 2295 | 1.1 | 2.2 x 1 | 4.4 | 3.8 | 4.8 | 5.8 | 50 x 10 x 3 | 0.18 | 50 | φ900 |
| φ350 | 490 x 2350 | 1.4 | 5.5 x 1 | 5.0 | 4.5 | 10.0 | 12.1 | 100 x 16 x 2 | 0.18 | 65 | φ1200 |
| φ400 | 550 x 2380 | 1.7 | 7.5 x 1 | 8.7 | 7.2 | 8.4 | 10.1 | 130 x 16 x 2 | 0.18 | 65 | φ1200 |
| φ450 | 600 x 2231 | 1.9 | 11 x 1 | 14.3 | 12.1 | 7.3 | 8.7 | 170 x 20 x 2 | 0.55 | 80 | φ1500 |
| φ500 | 660 x 2562 | 2.4 | 11 x 1 | 14.3 | 12.1 | 7.3 | 8.7 | 200 x 20 x 2 | 0.55 | 80 | φ1500 |
■ Specifications of jacking system
| I.D. | 250〜300 | 350〜500 |
|---|---|---|
| Starting pit (m) | φ2.0 | φ2.5 |
| Thrust power (kN) | 700 | 1500 |
| Width (mm) | 970 | 1440 |
| Length (mm) | 1790 | 2190 |
| Center of pipe | 450 | 550 |
| Weight (kg) | 900 | 1200 |
| Power (kW) | 7.5 | |
RASA INDUSTRIES, LTD.
Akihabara Daibiru Building.,1-18-13, Soto-Kanda, Chiyoda-ku, Tokyo 101-0021, Japan
Phone : +81-3-3258-1826
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