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附着式、平板式振动器安全操作 | 2012-6-19 7:22:00
(1) 附着式、平板式振动器轴承不应承受轴向力,在使用时,电动机轴应保持水平状态。
(2) 在一个模板上同时使用多台附着式振动器时,各振动器的频率应保持一致,相对面的振动器应错开安装。
(3) 作业前,应对附着式振动器进行检查和试振。试振不得在干硬土或硬质物体上进行。安装在搅拌站料仓上的振动器,应安置橡胶垫。
(4) 安装时,附着式振动器底板安装螺孔的位置应正确,应防止地脚螺栓安装扭斜而使机壳受损。地脚螺栓应紧固,各螺栓的紧固程度应一致。
(5) 附着式振动器使用时,引出电缆线不得拉得过紧,更不得断裂。作业时,应随时观察电气设备的漏电保护器和接地或接零装置并确认合格。
(6) 附着式振动器安装在混凝土模板上时,每次振动时间不应超过1min,当混凝土在模内泛浆流动或成水平状即可停振,不得在混凝土初凝状态时再振。
(7) 装置附着式振动器的构件模板应坚固牢靠,其面积应与振动器额定振动面积相适应。
(8) 平板式振捣器的电动机与平板应保持紧固,电源线必须固定在平板上,电器开关应装在手把上。
(9) 平板式振动器作业时,应使平板与混凝土保持接触,使振波有效地振实混凝土,待表面出浆,不再下沉后,即可缓慢向前移动,移动速度应能保证混凝土振实出浆。在振的振动器,不得搁置在已凝或初凝的混凝土上。
(10) 用绳拉平板振捣器时,拉绳应干燥绝缘,移动或转向时,不得用脚踢电动机。作业转移时电动机的导线应保持有足够的长度和松度。严禁用电源线拖拉振捣器。
(11) 作业后必须做好清洗、保养工作。振捣器要放在干燥处。
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