GP91 Bolting jumbo is for rock reinforcement in underground mines especially with complicated structured surrounding rock and badly broken rock formation. Rock drill
Equipped with RC1200 or HC25 rock drill
Boom
Hydraulic telescopic combined structure, intuitive movement, stable operation, accurate positioning.
Feeding mechanism
l Heavy-duty aluminium feed with high bending. torsional resistance, light in weight and long life
l 2-Tough guiding pipe and heavy-duty position cylinder, make the stingers extending against rock firmly, and improves installation accurate and production efficiency.
Control system
l Pilot proportional control
l Anti-jamming
l 2 shift feeding to control impact
l Auto feed back
Carrier
l Four-wheel drive
l YTO 4-cylinder stage III diesel engine
l Four jacks for stable set up
General
l Cable reel
l Electric motor driven compressor
l Electric motor driven centrifugal water pump
l Working light
Specifications
Hydraulic drifter
| RC1200 | HC25 | |
| Impact power. | 14kw | 8 Kw |
| Impact pressure | 180 bar | 150 bar |
| Impact rate | 100 Hz | 65Hz |
| Rotation system | Separate rotation | |
| Rotation speed | 180-220r/min | |
| Rotation torque | 390N·m | 401 N·m |
| Hole dia. | Φ32-Φ43 | Φ32-Φ43 |
| L | 572mm | 708mm |
| W | 326mm | 200mm |
| H | 180mm | 192mm |
| Weight | 126kg | 72kg |
| Shank | R32 | R32 |
Feed
| RC1200 | HC25 | |
| Total length mm | 3070 | 3200 |
| Steel rod Length mm | 2475 | 2475 |
| Split bolt mm | 2000 | 2000 |
| Resin bolt mm | 2200 | 2200 |
| Hole depth mm | 2280 | 2280 |
| Weight kg | 500 | 450 |
| Feed force kN | 10 | |
| Working pressure | ≤10Mpa | |
Bolt cartrige
·Bolt type............….....Split bolts /Resin bolts
·Cartrige capacity.........…10 (Bolt size ≤150mm)
·Bolt length...................….…1800-2500mm
Boom
·Boom lifting.........................................+50°/-30°
·Boom swinging .......................................... ±35°
·Extension............…............. 1250mm
·Compensation ...................................... 480 mm
·Feed roll-over ............................................±180°
·Feed lifting...........................................+80°/-25°
·Boom weight.......................................... 1300kg
Mesh holding hand
·Mechanical hand lifting ...…...........….180°
·Mechanical hand extension..............800mm
·Mechanical hand rotation......…..............180°
·Mechanical hand swinging ............…....…..180°
·Allowed metal mesh weight, max. …...........…50kg
·Weight .....................….............240 kg
Air system
·Air compressor
·capacity .......................................... 1m³/min(8 bar)
·Air tank volume .......................... 60 L
·Air pressure monitoring
Water system
·CDL4-16 water booster pump
·Max capacity, (12 bar)............................................................4m³/h
·Min. water inlet pressure ...................................................... 2bar
·Water pressure gauge
Electrical system
| Total installed power | 65.5 Kw |
| Main motor. | 55 Kw |
| Voltage | 380 V (customizable) |
| Frequency | 50 Hz |
| Cable reel dia. | 1050 mm |
| Thermal overload protection for electric motors | |
| Impacting timer | |
| Digital volt./amperage meter | |
| Phase sequence indicator | |
| Battery charger | |
| Dual controls for cable reel | |
Hydraulic system
l Impact/rotating pump displacement…..100cc/32cc
l Hydraulic oil tank volume. . . . . . . . . . . . . . . . . ..245L
l Filtration . . . . . . ......…... . . . . . . . . . . .10μm
l Hydraulic oil level sensor
l Manual oil filling pump
l Oil temperature sensor
l Oil filter differential pressure sensor
l Water cooler
Carrier
l YTO 4-cylinder stage III diesel engine
l Power(2200r/min). . . . . …. . . . .. . . . . . . . 62.5 kw
l Torque(1650r/min). . . . . . . . . . . . … . . . . . 295Nm
l Articulated steering. . . . . . . . . . . … . . . . ... . . . . .±36°
l Rear wheel oscillation. . . . . . . . . . . . .. .. . . . . . . . .10°
l Fuel tank volume. . . . . . . . . . . . . . . . . . . . . . . . ..120 L
l Exhaust purification . . . . . . . . . . ...three way catalyst
l Battery. . . . . . . . . . . . . . . . . . . ..... . . . 24V, 2X120Ah
l Front tramming lights. ................ . . 4X40W
l Rear tramming lights.............…1x40+2x20W
l Tyres.…. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.00-20
l Gradeability. . . . . . . . . . . . . . . ….. . . . . . . . . . . . . 14°
l Front jack. . . . . . . . . . . . . . . . . . . .(extendable)2
l Rear jack. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ... 2
Steel rod
| Dimension | Hole dia.(mm) |
| B28/25 | Φ32-Φ43 |
l Four-wheel drive
l Hydrostatic power steering
l Service breaks, parking breaks
l Fire extinguisher
l Horn, tramming alarm light
Side view

Coverage area

Turning radius


Dimensions
| mm | Width | 1850 |
| Height with roof up/down | 2970/2270 | |
| Total length | 10400 |
| Ground clearance | 300 |
| km/h | On flat ground | 15 |
Weight
| kg | Total weight | 16500±500 |
Cable size and length
| Motor power | Type | Size mm2 | Diameter mm | Length m |
| 55kW | MC-0.38/0.66 | 3x35+1x10 | 40 | 70 |
GP91 Bolting Jumbo Main Components List
| No. | Description | Supplier |
| 01 | Rock drill | Montabert |
| 02 | Main pump | SAUR |
| 03 | Main valve | PARKER |
| 04 | Electrical motor | WEG |
| 05 | Intergrated cartridge valve spool | SUN |
| 06 | Diesel engine | YTO |
| 07 | Torque converter | YUNYU |
| 08 | Gearbox | SHANTUI |
| 09 | Air compressor | SINO-GERMANY JOINT VETURE |
| 10 | Tyres | TIANJIN INTERNATIONAL |
| 11 | Hydraulic cylinder | Made in China (imported )seals) |
| 12 | Water pump | Made in China |









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