UJ33 three-booms Underground Jumbos
Applicable for underground & tunnel construction in road, railway & hydro power station projects，etc.. Three heavy duty booms, a service platform, a elevating cab, an self opening cable reel & a water hose reel and a grease auto filling system for easy operation & maintenance. Two outside booms equipped with eagle type boom bases & optional auto RHS for larger cross-sectional drilling & bolting, etc. Full hydraulic proportional pilot control for high precision control & lower downtime rate.
Equipped with high frequency hydraulic drifter for high efficiency requirements.
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Service Platform |
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Parallel Holding |
Total |
Boom Swing angle |
±45º |
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Max.Working Height(from Botton)：12000mm |
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Rated Load |
600kg |
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Feed |
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Total Length |
6110mm |
6776mm |
7386mm |
7996mm |
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Rod Length |
4305 |
4915 |
5525 |
6135 |
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Rod Depth |
4013 |
4623 |
5223 |
5843 |
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Lift Force |
20.0KN |
20.0KN |
20.0KN |
20.0KN |
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（ZY104) Drifter(ZY104) |
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Jumbo top to rotation unit center |
88mm |
Rotation Speed |
0-388rpm |
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Impacting Power |
20kW |
Rotation torque(Max.)：680N.m |
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Impacting Frequency |
60Hz |
Weight |
170Kg |
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Boom |
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Feed Extension |
1800mm |
Boom lifting angle(Max.) |
“+68º/-45º |
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Boom Extension |
1600mm |
Boom Swing angle(Max.) |
±45º |
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Parallel Holding |
Total |
Feed tilt |
“+3º/-90º |
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Feed Beam roll over |
360º |
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Electric system |
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Total power |
220kW |
Starting Mode |
Star/Delta/Unloading start |
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Main electric motor |
3*55kW |
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Voltage |
380V |
Dimensions |
3*185+3*95/3mm2 |
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Frequency |
50-60Hz |
Cabl reel capacity |
100M |
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Shank adaptor |
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Thread |
Diameter |
Length |
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T38 |
38mm |
525mm |
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R32 |
32mm |
525mm |
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Screw air compressor system |
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Pressure |
7bar |
F.A.D |
1m3/min |
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Electric Pressurized Water Pump |
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Max.working pressue |
17bar |
Max.Flow |
300L/min |
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Water hose reel capacity |
100m |
Power |
15kW |
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Chassis |
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Diesel Engine |
Cummins QSL8.3-C240-III |
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Rated engine power（2，200rpm):179kW |
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Approach angle&departure |
15º |
Tyre |
14.00*R24 |
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Hydraulic support leg |
4 PCS |
Driving brake |
Two independent loops |
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Emergency stop & parking brake |
SHAR |
Fuel tank capacity |
150L |
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Gradient at Max.Load |
1:4 |
Hydraulic Oil Tank |
750L |
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Tramming speed |
17/10/5km/h |
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Rods |
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T38-D38-T38*6135mm |
φ64-89mm bolting |
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R32-D32-R32*6135mm |
φ64-89mm bolting |
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T38-H32-R32*6135mm |
Face drilling |
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