Caterpillar RB120 Roof Bolters

Specifications of Caterpillar RB120 Roof Bolters

Specifications

• Boom Single
• Frame Fixed
• Operating Height 813.0 mm

Dimensions (Approximate)

• ATRS reach – with 26×7-12 tires 1930.0 mm
• Bolt tightening torque (adjustable) 271.0 N·m
• Chassis height – with 26×7-12 tires 660.0 mm
• Chassis overall width 1880.0 mm
• Drill boom feed 1270.0 mm
• Drilling feed thrust (maximum) 3175.0 kg
• Drilling torque (variable) 380.0 N·m
• Ground clearance – with 26×7-12 tires 150.0 mm
• Minimum tramming height – with 26×7-12 tires 813.0 mm
• Overall length with ATRS 4521.0 mm
• Tram speed – fast 0-39.6 m/min (0-130 ft/min)
• Tram speed – slow 0-18.3 m/min (0-60 ft/min)
• Wheelbase 1067.0 mm

Drive Train

• Type Four wheel planetary drive; each drive consists of a Fairfield W1B torque hub along with Char-Lynn series 2000 hydraulic motor.

Electrical

• Start Two (2) push buttons located at tram and drill station.
• Stop Three (3) tape switch (panic strip) that de-energizes electrical system and applies automatic brake.

Hydraulics

• ATRS Support Cylinder One (1) 89 mm (3.5 in) bore, double acting cylinder with pilot operated check valve.
• Boom Feed Cylinder One (1) 127 mm (5 in) bore, double acting cylinder with in line check valve.
• Hydraulic Hose Main system hoses are two wire braid rated at 621 bar (9,000 psi) burst pressure; MSHA 2G flame resistant approved; fittings JIC
• Pump Two stage gear pump rated at 94.6/56.8 L/min (25/15 gal/min) at 1,770 rpm with spline fit to pump motor.
• Reservoir 446.7 L (118 gal) capacity reservoir with 7 micron return filtration, filter by-pass and “in tank” strainer.
• Stab Foot Cylinder One (1) 76.2 mm (3 in) bore, double acting cylinder.
• Valve Banks and Auxiliary Controls All valve banks are spring returned, bi-directional with main relief set at 138 bar (2,000 psi).
• Valve Banks and Auxiliary Controls 1 One (1) main valve bank
• Valve Banks and Auxiliary Controls 2 Two (2) auxiliary cable type controls
• Valve Banks and Auxiliary Controls 3 Three (3) auxiliary controls
• Valve Banks and Auxiliary Controls 4 All other pressures are set for each function accordingly.
• Valve Banks and Auxiliary Controls 5 One (1) cable reel control operated by means of valve handle located in the operator’s tram station.

AUTOMATIC PARKING BRAKE

• Type Two spring applied, hydraulic released, fail safe brakes at front of machine.

CONTROLLER

• Type Size 3 electro-mechanical starter with heater strips, 1.5 kVA transformer and 100 amp circuit breaker.

FRAME

• Type Low profile rigid frame. The frame design is a box structure type for a light weight, high strength frame assembly.

OPERATOR’S DRILL STATION AREA

• Components 1 Drill boom feed function control.
• Components 2 Drill rotation function control.
• Components 3 Tool supply area on boom for drill steel, drill bits, bolts, resin, etc.

TRAM STATION AREA

• Components 1 Cable reel function control.
• Components 2 Full tram function controls.
• Components 3 Manually adjustable tram canopy.
• Components 4 Two pressure gauges.

MANUALS

• Types Two parts manuals.

MISCELLANEOUS

• Kits Seven (7) oil sampling kits.

FIRE SUPPRESSION

• Type Four point, 9.1 kg (20 lb) tank, multi-purpose, ABC dry chemical fire suppression system; manually actuated.

ATRS (H-TYPE)

• Type 1930 mm (6 ft 4 in) reach H-type Design; one primary ATRS cylinder is required for this reach.

MID-MACHINE AREA (BETWEEN TIRES)

• Components 1 ATRS support function control.
• Components 2 Stab foot function control.
• Components 3 Inch tram function controls.

DUST SYSTEM BLOWERS

• Type Guyan 3300 series blower rated 56 CFM at 12 in Hg, variable.

BLOWER DRIVE

• Type Belt driven; vacuum blower is directly driven from a hydraulic motor by means of sheaves and “v” belts.

DUST BOX

• Type Donaldson style dust collector box with internal separator, cyclone and filter.

TIRE/WHEELS

• Type Four 26×7-12 Solid Rubber Tires – 26 in maximum form diameter, tires mounted on formed rim assemblies.

CABLE REEL

• Type 1 Unit is supplied with 7.6 m (25 ft) of recommended cable.
• Type 2 457 mm (18 in) diameter for #4/3C Round Cable – 83.8 mm (275 ft) capacity reel for #4/3C, GGC round trailing cable.

LIGHTING SYSTEM

• Type Ocenco Incandescent Lighting – with one headlight on front and rear.

DRILL STATION CANOPY

• Type Drill Station Canopy – Attached to A.T.R.S. support arm for operator coverage at drilling controls.

VOLTAGE

• Type 1 440 Volt AC Electrical System – pump motor rated at 29.8 kW (40 hp) for one hour at 1,770 rpm.
• Type 2 Splined insert for direct mounted pump and 440 volt AC heater strip.
• Type 3 MSHA totally enclosed explosion proof; non-ventilated cooling; foot mounted.

ACCESSORIES

• Types Extra Parts Manual