Truck Crane
Truck Crane
Truck Crane
QY25K5 Truck Crane Specification
Telescopic boom truck crane / Model :QY25K5
Max. lifting capacity: 25t.
Max. load moment: 961kN.m
Overall length: 12.00m
Overall width: 2.50m
Overall height: approx. 3.38m
Total vehicle weight: approx31t
1. Crane Carrier
XCMG designed and manufactured 3-axle chassis with full cab, max. travel speed 72km/h.
Drive/Steering: 6x4x2
Turning radius: 11m
Ground clearance: 260mm
Approach angle: 16°
Departure angle: 13°
Grade-ability: 30%
Braking length: less than 10m at the speed of 30 km / h.
1.1 Frame
XCMG designed and manufactured, with full cover decking plate, optimized weight and anti-torsion box type made of high-strength structural steel, outrigger housed in special supporting boxes located between axle 1 and axle 2 and at the rear of the frame;a trailer coupling is mounted at front and rear.
1.2 Engine
Maker: Shanghai Diesel Engine Co., Ltd. Model: 6CL280-2(Dongfeng Brand) Engine type: 6-cycle, water cooled, in-line, turbocharger, compression ignition, direct injection, diesel engine. Rated power: 206kw/2200rpm Rated torque: 1170Nm/1400rpm Muffler: steel, gray painted Fuel tank capacity: approx. 200L. Emission standard: Euro?standard.
1.3 Power Transmission System
1.3.1 Transmission
Mechanical fixed-shaft transmission, 6-speed, drive rear axle for travel power.
1.3.2 Axle
Heavy load bearing axle of imported advanced technology with reliable performance.
1st axle: single-tire, steered and not driven
2nd axle: double-tire, driven and not steered, single reduction final drive plus hub reduction.
3rd axle: double-tire, driven and not steered, single reduction final drive plus hub reduction.
1.3.3 Drive shaft
All the articulated shafts dispose of flanges with cross gearing, optimum power transfer, simplified maintenance and easy assembly and disassembly.
1.3.4 Axle suspension
Both the front and rear axles are equipped with longitudinal leaf springs and telescopic shock absorber.
1.4 Steering
Mechanical steering system with hydraulic power,adjustable steering wheel.
1.5 Tires
11.00-20, suitable for heavy-duty vehicle, universal and easy replacement.
1.6 Brake
Service brake: foot pedal operated dual circuit air brake, 1st circuit acting on wheels of axle 1 and 2nd circuit acting on wheels of axle 2, 3.
Parking brake: air release brake acting on two rear axles by air reservoir on each axle.
Auxiliary brake: exhaust valve brake at diesel engine.
1.7 Carrier cabin
Full cab made of new type compound material, corrosion-resistant, comfortably equipped, at front rubber-mounted and at rear hydraulically suspended, fully enclosed with safety glass, 3 windscreen wipers, full vision rearview mirror, electrical washer, electrical door window lifter, engine-dependent heater, defrosting nozzles for windscreen, air conditioner, radio and cassette player, driver's and co-driver's seats pneumatically suspended, left-hand steering wheel adjustable for height and inclination, stow-away boxes.
1.8 Hydraulic system
Quadruple gear pump flanged by transmission and PTO to the engine to control outrigger and supply hydraulic power for crane operation.
1.9 Hydraulic outrigger
4-point support, horizontal and vertical fully hydraulic extension, electric control cabinets on either side of the carrier. The control cabinets comprise level gauge for leveling the crane. The outrigger floats remain stored to the jacks with sliding mechanism. The outriggers are designed to raise the complete crane vehicle allowing for the best crane operational conditions.
Outrigger span: longitudinal approx. 4.8m, lateral approx. 6.0m.
1.10 Electrical equipment
24 Volt DC, 2 batteries, lighting acc. to China traffic regulation standard, equipments include: head lamp, fog lamp, back-up lamp.
1.11 Tools
One set of maintenance tools on board.
2. Crane Superstructure
External engaged roller-bearing slewing ring connecting superstructure to carrier, 360°continuous full swing, slewing ring roller tracks sealed against water and dust.
2.1 Turntable
XCMG designed and manufactured, equivalent stress and various cross-section box type structure, optimized design and welded of high-strength structural steel.
2.2 Hydraulic System
One quadruple fixed displacement valve and pilot controlled open oil circuit are used to control crane operational movements, i.e. hoisting/lowering, swing, elevating and telescoping. The pump is flanged via gearbox and PTO to the carrier engine. Oil filters are fitted in the hydraulic system. The hydraulic drive is in advanced design, reliable and good fine motion control.
Hydraulic tank capacity: approx. 450L.
2.2.1 Oil cooler
Oil cooler is in series with the hydraulic system, thus increase the service-life of the hydraulic oil and the working life of the hydraulic components.
2.3 Control
Conventional control by means of 2 self-centering 4-way joysticks incorporated in the horizontally and vertically adjustable armrests consoles. Hydraulic pilot control of all crane movements by hydraulic pump and proportional valve, easy and comfortable, good fine motion control, and infinitely variable speed possible.
2.4 Main Winch
Variable displacement motor, compact structure and good performance, specially built planetary gear reducer, grooved drum with brake, and controlled by open type oil circuit. Untwist type wire rope.
Rope spec: 14NAT4Vx39S+5FC-1870
Rope length: approx. 150m
Max. single line speed: approx. 100m/min.
2.5 Auxiliary Winch
Variable displacement motor, compact structure and good performance, specially built planetary gear reducer, grooved drum with brake, and controlled by open type oil circuit. Untwist type wire rope.
Rope spec: 14NAT4Vx39S+5FC-1870
Rope length: approx. 85m
Max. single line speed: approx. 100m/min.
2.6 Elevation
1 differential cylinder with integrated holding valve.
Elevating angle: -2°~+80°.
Elevating time: approx. 75s.
2.7 Swing Gear
Fixed displacement motor driven by specially built planetary reducer with brake, compact structure and good performance, external engaged slewing ring drives the superstructure for 360° full swing, with free-swing function and infinitely variable speed possible.
Swing speed: 0~2.5rpm.
2.8 Telescopic Boom
The telescopic boom is torsion resistant design and made of high-strength steel, consists of 1 base boom and 3 telescopic sections with all-round octagonal boom profile for maximum stability, sliding pads of the telescoped are adjustable, all telescopes are extended/retracted by means of a double-acting hydraulic cylinder plus wire ropes for desired boom length, the standard equipment comprises 5 rope sheaves for a max. lifting capacity of 25t.
Boom length: 10.1m ~ 38.5m.
Telescoping time: (from 10.1m to 38.5m) approx. 150s.
2.9 Superstructure Cabin
All-round cabin made of new type compound material, galvanized and corrosion-resistant, comfortably equipped, fully enclosed with safety glass, full vision all-round front window with sun shield, exterior open type door, operator’s seat suspended with multiple positioning and pneumatic lumbar support with joystick controls mounted in armrests hinged at seat back rest, large wiper at front window and roof window, standardized controls and indicators ergonomically arranged.
2.10 Safety Devices
Hydraulic system: counterbalance valve, overflow valve, two-way hydraulic lock, stable and reliable. PAT load moment limiter offers all the advantages of the microprocessor technique in combination with the features and benefits of all PAT operational systems. Display and Operating Console: analog instrument for percentage load moment; digital LCD display for permitted and actual load with switch-able tare facility; digital LCD display with selector switch for boom length, angle, radius, boom head height, operating mode, error code, system test. Central Unit: microprocessor technique; basic design for any type of crane; standard capacity 70 load curves/optionally extendable; sheet metal housing, protection class IP 65. Length and Angle Sensor LWG: various series for different telescoping lengths and boom configurations; transmission of hoist limit switch signal through length transducer cable, optionally also for transmission of the signals of force transducer and angle sensors of luffing jibs; oil-damped pendulum angle sensor.
2.11 Counterweight
Counterweight plate mounted at the rear of crane turntable.
Counterweight weight: 5960kg.
2.12 Lattice-type swing-away jib
Lattice-type swing-away jib made of high-strength steel tube, side mounted and folding to the boom, and attached to the boom side when the crane is in travel on road.
Jib length: 8.3m.
2.13 Hook Block
Main hook block: 5 sheaves -250kg.
Auxiliary hook block: no sheave -55kg.
3. Painting
The crane painting color:
Carrier, wheel rim: dark gray.
Driver’s cab, superstructure and base boom: construction machinery yellow.
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