河池市预应力千斤顶博尔塔拉州河北赞皇钢绞线张拉千斤顶湖北荆州衢州市张拉千斤顶-油泵挤压机陕西商洛河北赞皇钢绞线张拉千斤顶湖北荆州石家庄市张拉千斤顶-油泵挤压机甘肃庆阳咸宁市预应力张拉千斤顶赤峰市河北赞皇钢绞线张拉千斤顶湖北荆州浙江湖州预应力张拉千斤顶山东日照江西新余钢绞线张拉千斤顶河北沙河昨天、前天、大前天……去年、前年、大前年……那都是过去真正的快乐只有舍才能得nanyangbaoxinjixie
河北赞皇钢绞线张拉千斤顶湖北荆州张拉千斤顶是用于张拉钢铰线等预应力筋的专用千斤顶。张拉千斤顶需和张拉油泵配合使用,张拉和回顶的动力均由张拉油泵的高压油提供。根据结构的不同又分为前卡式千斤顶和穿心式千斤顶。张拉千斤顶结构紧凑,张拉时工作平稳,油压高,张拉力大,广泛应用于公路桥梁、铁路桥梁、水电坝体、高层建筑等预应力施工工程。 61、如果我们能够勇敢地爱预应力张拉千斤顶装置的张拉力力值准确与否,将直接影响工程质量及安全生产。因此,对其进行校准,出具准确可靠的检测数据非常重要
穿心式千斤顶
河北赞皇钢绞线张拉千斤顶湖北荆州yzb2＊2-50型电动油泵：
额定压力：50mpa
电压：380v
电机：3kw
重量：120kg
外形尺寸“745＊494＊1025mm
整机标配
2块油表
2根油管（1根4米的出油管，1根4米的回油管）
2、千斤顶空运行
2-1开启油泵，运转不少于3分钟(油泵操作见油泵使用说明书)。
2-2千斤顶活塞往复运动不少于3次，如有爬行，则可增加到6次，如还有爬行应停泵检查，分析原因。伤其身痛其骨
2-3千斤顶与油泵系统进行标定时及实施张拉前都必须进行千斤顶空运行。一切正常后方可进入标定和张拉工作。
3、标定
3-1标定是在国家有关部门认可/授权的单位进行。操作人员有上岗资格。
3-2标定程序按承担标定单位规定进行。
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