裝載機外文原文及翻譯

1、0LoadersOverviewBasic Concept .A loader is a type of construction equipment (engineering vehicle) machinery that is primarily used to “l(fā)oad“ material into another type of machinery (dump truck, conveyor belt, rail-car, e

2、tc.).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

3、, 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 e

4、arthmoving 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 material

5、s in construction debris would damage 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 standa

6、rd 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 refe

7、rred 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 attachm

8、ent rotate on the 21.engine；2. torque converter；3. power shifting transmission box；4. front axle；5. Caliper disc brake；6. wheel；7. parking brake；8. rear axle；9. gear shift pump；10. steering pump；11. operational pump；12.