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最近美国 Caterpillar 公司设计和制造了一种所谓“Blade-Bowl”(平土板-鏟斗)装置,用来在某些工作条件下改善该公司所生产的 Cat№12E 和 Cat №14D 型自动平地机的性能和提高它们的工作效率。所谓“Blade-Bowl”工作装置,不过是在普通的平土板前方约几十厘米处平行于它装有一个用淬火钢制成的刮刀,刮刀长度和平土板一样,亦即对于 Cat №14D 型来说为3.96米,Cat №12E为3.66米,高度则仅和平土板所镶的刀片差不多,刮刀两侧有围板把刮刀和平土板连接成一体,刮刀上方有一条横梁,后者和围板用螺钉连
Recently, Caterpillar Corporation of America designed and manufactured a so-called “Blade-Bowl” (leveling plate-bucket) device to improve the company’s CatNo12E and Cat No14D models under certain operating conditions. Motor grader performance and increase their working efficiency. The so-called “Blade-Bowl” working device is just about a few dozen centimeters in front of the ordinary leveling plate. It is equipped with a spatula made of hardened steel, the length of the spatula and the same as that of the Cat. For the No14D model, it is 3.96 meters, and the Cat No12E is 3.66 meters. The height is only similar to that of the blades set in the flat soil. The scraper has the surrounding boards to connect the scraper and the flat earth plate together. There is a beam above the scraper. And boards with screws