装载机中英文翻译

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英文

Loader

A loader is a type of construction equipment (engineering vehicle) machinery that is

primarily used to "load" material into another type of machinery (dump truck, conveyor belt,

rail-car, etc.).Loaders are used mainly for uploading materials into trucks, laying pipe,

clearing rubble, and digging. A loader is not the most efficient machine for digging as it

cannot dig very deep below the level of its wheels, like a backhoe can. Their deep bucket can

usually store about 3-6 cubic meters of earth. The front loader's bucket capacity is much

bigger than a bucket capacity of a backhoe loader. Loaders are not classified as earthmoving

machinery, as their primary purpose is other than earthmoving.

Unlike most bulldozers, most loaders are wheeled and not tracked, although track loaders

are common. They are successful where sharp edged materials in construction debris would

damage 2 rubber wheels, or where the ground is soft and muddy. Wheels provide better

mobility and speed and do not damage paved roads as much as tracks, but provide less

traction.

Unlike standard tractors fitted with a front bucket, many large loaders do not use

automotive steering mechanisms. Instead, they steer by a hydraulically actuated pivot point

set exactly between the front and rear axles. This is referred to as "articulated steering" and

allows the front axle to be solid, allowing it to carry greater weight. Articulated steering

provides better maneuverability for a given wheelbase. Since the front wheels and attachment

rotate on the same axis, the operator is able to "steer" his load in an arc after positioning the

machine, which can be useful.

The loader assembly may be a removable attachment or permanently mounted. Often the

bucket can be replaced with other devices or tools--for example, many can mount forks to lift

heavy pallets or shipping containers, and a hydraulically-opening "clamshell" bucket allows a

loader to act as a light dozer or scraper.

In construction areas loaders are also used to transport building materials - such as bricks,

pipe, metal bars, and digging tools - over short distances.Loaders are also used for snow

removal, using their bucket or a snowbasket, but usually using a snowplow attachment. They

clear snow from streets, highways and parking lots. They sometimes load snow into dump

trucks for transport.

Front loaders gained popularity during the last two decades, especially in urban engineering

projects and small earthmoving works. Many engineering vehicle manufacturers offer a wide

range of loaders, the most notable are those of John Deere, Caterpillar, Case, Volvo, Komatsu

and Liebherr.

The following we will introduce Carter 938G Series II Wheel Loader.

Engine

The 938G II provides more power, excellent fuel economy, and reduced maintenance.

Turbocharged, ATAAC. Turbocharging packs dense air into the cylinders for more complete

combustion and lower emissions. Air-to-air aftercooling (ATAAC) provides a separate

cooling system for intake manifold air. The ATAAC system reduces smoke and emissions by

providing cooler inlet air for more efficient combustion.

Constant Net Horsepower. The 938G II’s electronic engine is integrated with an on-demand

cooling fan. The engine compensates for varying fan loads and provides constant net

horsepower, regardless of operating conditions. A consistent level of “working” horsepower

is provided and fuel consumption is reduced.

Oil Change Intervals. The engine oil change interval is increased to

500 hours (with CH-4 oil), reducing costs and downtime

Powerful Performance. The 3126B ATAAC engine delivers net power of 119 kW (160 hp),

and meets EPA Tier 2 emissions standards. Its advanced system keeps fuel at low pressure in

the fuel lines until it is injected into the cylinder. Fuel pressure is created hydraulically in

response to a signal from the ADEM III™ Electronic Control Module.

Electronic Control Module. The Advanced Diesel Engine Module (ADEM III) fuel system is

a proprietary electronic control module, which provides improved engine response and fuel

efficiency,plus advanced diagnostics and reduced emissions. Altitude capability is increased

to 3050 meters (10,000 feet) without derating. ADEM III allows full electronic integration

of the engine and transmission for maximum power train efficiency.

Power Train

Advanced Caterpillar power train is reliable and fuel efficient.

Electronic Power Shift Transmission.The electronic power shift transmission with automatic

shift capability is a countershaft design built by Caterpillar. It is electronically controlled and

allows full power shifts and directional changes. Fully modulated gear shifts contribute to

operator comfort and increase component life.

Electronic Clutch Pressure Control (ECPC). Senses input from both the transmission and the

operator controls in the cab to modulate each individual clutch through a proportional

electro-hydraulic valve. This results in smoother gear changes and improved shift quality.

Energy is modulated into the clutches, resulting in longer clutch life.

Integrated Braking System. New for G Series II, IBS integrates downshifting and

transmission neutralization into the left-hand brake pedal. IBS provides smooth, optimized

transmission neutralizer performance with a greater range of adjustability. The Integrated

Braking System also lowers owning and operating costs by reducing axle oil temperatures,

which can extend service brake life.

Easy Service. Daily transmission oil level check is done from the ground through a well-

protected sight gauge.An oil sampling valve allows quick,clean access to the transmission for

S•O•SSM oil analysis.

Cooling System

New G Series II cooling package reduces radiator plugging and improves fuel efficiency.

Reverse Flow. Air enters through the rear grill and exits out the top opening and side hood

doors. Rear air flow picks up less debris from the ground, reducing plugging.

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摘要：

英文LoaderAloaderisatypeofconstructionequipment(engineeringvehicle)machinerythatisprimarilyusedto"load"materialintoanothertypeofmachinery(dumptruck,conveyorbelt,rail-car,etc.).Loadersareusedmainlyforuploadingmaterialsintotrucks,layingpipe,clearingrubble,anddigging.Aloaderisnotthemostefficientmachinefo...

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