铸管自锚式接口
申请公布号:CN2627325Y
申请号:CN03251181.7
申请日期:2003.05.21
申请公布日期:2004.07.21
发明人:范英俊;刘明忠;杨斌;阎炳宽;刘志丽
分类号:F16L21/00
主分类号:F16L21/00
地址:056300河北省武安2672工厂钢研所马沛秦
摘要:一种铸管自锚式接口,属于一种用TF铸管连接成管道的接口结构,在铸管承口的内凹槽中嵌装有用来密封的胶圈,另一根铸管的插口插在所述铸管的承口内,将胶圈紧紧挤压在铸管的承口和插口之间,所述铸管的承口和插口连接处外套有压兰,紧靠插口外圆柱面的压兰的内孔为圆锥孔,圆锥孔靠近承口的一端直径较大,此端的压兰上有一内端面,内端面靠在承口的端面上,圆锥孔内装有挡环,挡环卡在压兰和插口之间,防止向外滑脱,压兰的外凸台上均布螺栓孔,螺栓孔内装有钩头螺栓,钩头螺栓的钩头钩住承口的外沿,旋紧螺母,可将压兰固定在承口上。它具有结构简单、易加工制造、可实现多根管道整体吊装、施工方便、不会出现滑脱泄漏的优点。
主权项:1、一种铸管自锚式接口,在铸管承口(6)的内凹槽(7)中嵌装有用来密封的胶圈(9),另一根铸管的插口(8)插在所述铸管的承口(6)内,将胶圈(9)紧紧挤压在铸管的承口(6)和插口(8)之间,其特征在于:所述铸管的承口(6)和插口(8)连接处外套有压兰(14),紧靠插口(8)外圆柱面的压兰(14)的内孔为圆锥孔(10),圆锥孔(10)靠近承口(6)的一端直径较大,此端的压兰(14)上有一内端面(2),内端面(2)靠在承口(6)的端面上,圆锥孔(10)内装有挡环(13),挡环(13)卡在压兰(14)和插口(8)之间,压兰(14)的外凸台上均布螺栓孔,螺栓孔内装有勾头螺栓(3),勾头螺栓(3)的勾头(5)勾住承口(6)的外沿(4),旋紧螺母(1),可将压兰(14)固定在承口(6)上。
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