Shangchai SC11CB255G2B1(C6ZG60e)in-line 6-cylinder and 4-stroke
water-cooled and direct-injection supercharged diesel engine with good
performance in this industry and with a rated power of 187kW(220PS)and
maximum torque not less than 969N m(±6%)/1400 r/minensuring the good
power performance, and a torque reserve factor not less than 1.2
providing a high reliability; the engine is fitted with a combined air
filter which has a high air purification and needs less maintenance; the
engine has good cold starting effect so that it can start normally when
the ambient temperature is not less than -10℃.
The self-made 420 torque converter made by military technologies on the
basis of 50-year military technologies, has reliable quality and good
performance; the first-level integrated torque converters with four
wheels have a conversion coefficient of 3.7; the diameter of cycle
circle is 420mm, and much power can be absorbed to provide a higher
traction torque.
The self-made fixed-axle hydraulic power shift gearbox made by military
technologies has a high transmission efficiency (up to 94%), reliable
quality and long service life; the four forward gears, four backward
gears and high/low gear control make the machine easy to operate and
increase the working efficiency; the clutch and oil passage are mounted
outside so they are easy to repair and maintain; the fixed-axle
structure is easy and cheap to repair.
Front and rear drive axles made by military technologies have a high
loading capacity and high reliability, and can bear a load up to 35t
comparing with the maximum loading capacity of 28t in this industry.
Rear axle center swinging structure with a swinging angle up to 11°.
Four-wheel drive, providing the loader with strong digging force and ensuring a traction force of 185kN of the loader.
2. Hydraulic system
The hydraulic system pressure is 16MPa and has less pressure loss and stable performance.
The hydraulic system uses the world-advanced dual-pump (working pump
and steering pump) confluent technology, ensuing its less hydraulic
energy loss and good fuel saving effect.
Hydraulic pilot control, making operation easy and agile, reducing the work labor and increasing the work efficiency.
Full-hydraulic steering system with co-axial flow amplifier which makes the steering easy and agile.
Pre-press hydraulic oil tank which can prevent the air exchange inside
and outside the oil tank, protect the hydraulic oil from pollution and
prolong the service life of hydraulic oil.
20-mesh oil return filter which can enhance the reliability of
hydraulic system and prolong the service life of hydraulic elements
effectively.
The hydraulic pipeline is fitted with the tapered O-seal meeting the
Germany standard and with good shock-proof effect and high sealing
reliability.
3. Brake system
The service brake system is composed of the single-pipeline air-over
hydraulic caliper brakes on four wheels, ensuring the good performance, a
good braking effect and the braking distance not more than 15m when
braked at the speed of 32km/h.
The parking brake system is composed of the mechanically-controlled
expanding dual-shoe brake, ensuring the good performance and that the
loader can be stopped on the slope not more than 25°.
4. Electrical system
World-famous VARTA maintenance-free battery with reliable quality.
The negative-pole master switch adopted can cut off the power supply of
the vehicle timely and protect the electrical system effectively.
Water-proof connector, ensuring the reliability of circuit.
5. Vehicle frame and working device
Articulated vehicle frame with a long wheelbase, a big bend angle (36°
to the left and right), a small turning radius (minimum turning radius
of 6170mm) and low size requirements on the work site.
The articulated part is designed with double-row opposite tapered
roller bearings, ensuring the good rigidity, sound force distribution
and easy steering.
Such world-famous working devices as single rocker arm, short tie bar
and Z-shaped four-bar mechanism are adopted, providing a strong digging
force up to 175kN. They have a high efficiency, and the three items
total 10.8s, much better than the industrial standard, 12s in China.
6. Cab and inner trimmings
The cab and engine use the 3D streamline design and the advanced mould
guaranteeing approach, make the appearance of the loader more beautiful
and fashionable.
The cab frame is in the profile steel structure, providing a high structural strength and reliable quality.
The front and rear arched full-view windshields provide a good field of vision and decent appearance.
The integral dashboard design centralizes the instrument, provides good
visual effect and is easy to monitor all the parameters of the loader.
The connection between the cab and the vehicle frame absorbs the shock
and thus reduces the vibration and shaking and makes the loader more
comfortable to drive.
The environment-friendly and reliable Freon-free cooling air
conditioner specialized for engineering vehicle is adopted; its cooling
capacity is up to 4000kcal, ensuring the good cooling effect.
