装载机外文原文及翻译

《装载机外文原文及翻译》由会员分享，可在线阅读，更多相关《装载机外文原文及翻译（14页珍藏版）》请在毕设资料网上搜索。

1、 1 Loaders Overview Basic Concept . 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 pi

2、pe, 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 loaders bucket capacity is much bigger than a bucket c

3、apacity 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 d

4、ebris 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 standard tractors fitted with a front bucket, many large loaders do not use automotive steering mechanis

5、ms. 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 whe

6、elbase. Since the front wheels and attachment rotate on the 2 sameaxis, 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 const