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1.改进原因原沥青洒布车喷洒梁两侧均设有高度调整装置,其主要由喷洒梁1、挂环2、固定平台3、固定挂钩4、提升缸5、提升筒6、关节轴承7等组成,如图1所示。沥青洒布车开往施工地点时,为了提高沥青洒布车的通过性,需将喷洒梁提起。喷洒梁1处于提起状态时,挂环2挂在固定平台3下的固定挂钩4上,挂环2及挂钩4承载着喷洒梁的整体质量,如图1a所示。
1. Improvement reasons The asphalt spraying truck is equipped with a height adjusting device on both sides of the spraying beam, which is mainly composed of a spraying beam 1, a hanging ring 2, a fixed platform 3, a fixing hook 4, a lifting cylinder 5, a lifting cylinder 6 and a joint bearing 7 Etc., as shown in Figure 1. Asphalt spreading truck to the construction site, in order to improve the passing of asphalt distributor, the spraying beam should be lifted. When the sprinkler beam 1 is in the lifted state, the hanging ring 2 is hung on the fixed hook 4 under the fixed platform 3, and the hanging ring 2 and the hook 4 carry the overall quality of the sprinkler beam, as shown in FIG. 1a.