裝載機(jī)外文原文及翻譯-其他專業(yè)-在線瀏覽
2025-03-24 02:29本頁(yè)面
【正文】 6 cubic meters of earth. The front loader39。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 mon. They are successful where sharp edged materials 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 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 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 toolsfor example, many can mount forks to lift heavy pallets or shipping containers, and a hydraulicallyopening 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 snow basket, 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.Hydro mechanical Transmission System；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. wheel
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