The utility model relates to a joint, in particular to a low temperature rotating joint. The technical scheme of which includes a flange cover, jacket and a rotary core, rotating core is arranged in the outer sleeve, sleeve and flange gland connected together through bolts; low temperature resistant bearing is arranged between the rotor core and an outer sleeve, the lower cavity temperature resistance, bearing between the core and the outer rotor is arranged in a semicircle clasp and ring positioning sleeve on a card the upper part of the cavity between the low temperature resistance, bearing, rotor core, sleeve and flange gland is arranged in the end within the seal coat, turn the cavity between the core and the flange cover is arranged in the low temperature sealing ring and the inner sealing sleeve and the sealing ring two to strengthen the low temperature, low temperature sealing ring end face seal coat tightly within the inner seal set, reinforcing sleeve close to a low temperature sealing ring set, low temperature sealing ring two tightly within the reinforcing sleeve is provided with a sealing flange gland; and a rotary core internal fluid passages, flange gland and rotary core are used for welding the two fluid Piping\u3002 The utility model in temperature 196 to 80 Deg. C does not leak.
【技术实现步骤摘要】
一种低温旋转接头
本技术涉及一种接头,具体涉及一种低温旋转接头。
技术介绍
旋转接头是组成液化天然气加液臂的关键部件,用于连接两段管路,既能通过低温流体,又能旋转而不泄漏。现有的旋转接头,在流体温度-196℃~0℃的低温情况下,易发生泄漏。
技术实现思路
本技术提供一种低温旋转接头,能够在流体温度-196℃~80℃的情况下,不发生泄漏。本技术的技术方案如下:一种低温旋转接头,包括法兰压盖、外套和转芯,所述转芯设置在所述外套内,所述外套与所述法兰压盖通过螺栓连接在一起;所述转芯与所述外套之间设有耐低温轴承,耐低温轴承、所述转芯与所述外套之间的下部空腔内设有一对半圆卡环和卡环定位套,耐低温轴承、所述转芯、所述外套与所述法兰压盖之间的上部空腔内设有端面内向密封外套,所述转芯与所述法兰压盖之间的空腔内设有低温密封圈一、内密封加强套和低温密封圈二,低温密封圈一贴紧端面内向密封外套设置,内密封加强套贴紧低温密封圈一设置,低温密封圈二贴紧内密封加强套设置;所述法兰压盖和转芯内设流体通道,所述法兰压盖和转芯用于分别焊接两个流体管路。所述的低温旋转接头,其优选方案为,所述耐低温轴承数量为2个。所述的低温旋转接头,其优选方案为,所述低温密封圈一和低温密封圈二内部设有弹簧,起支撑作用。所述的低温旋转接头,其优选方案为,所述外套与所述法兰压盖之间设置O型橡胶密封圈。所述的低温旋转接头,其优选方案为,所述转芯与所述外套之间还设有轴用回转方形圈。所述的低温旋转接头,其优选方案为,所述螺栓与所述法兰压盖之间设置弹簧垫圈。本技术的有益效果为:转芯可相对法兰压盖和外套转动,在法兰压盖和转芯两个部件 ...
【技术保护点】
一种低温旋转接头,其特征在于,包括法兰压盖、外套和转芯,所述转芯设置在所述外套内,所述外套与所述法兰压盖通过螺栓连接在一起;所述转芯与所述外套之间设有耐低温轴承,耐低温轴承、所述转芯与所述外套之间的下部空腔内设有一对半圆卡环和卡环定位套,耐低温轴承、所述转芯、所述外套与所述法兰压盖之间的上部空腔内设有端面内向密封外套,所述转芯与所述法兰压盖之间的空腔内设有低温密封圈一、内密封加强套和低温密封圈二,低温密封圈一贴紧端面内向密封外套设置,内密封加强套贴紧低温密封圈一设置,低温密封圈二贴紧内密封加强套设置;所述法兰压盖和转芯内设流体通道,所述法兰压盖和转芯用于分别焊接两个流体管路。
【技术特征摘要】
1.一种低温旋转接头,其特征在于,包括法兰压盖、外套和转芯,所述转芯设置在所述外套内,所述外套与所述法兰压盖通过螺栓连接在一起;所述转芯与所述外套之间设有耐低温轴承,耐低温轴承、所述转芯与所述外套之间的下部空腔内设有一对半圆卡环和卡环定位套,耐低温轴承、所述转芯、所述外套与所述法兰压盖之间的上部空腔内设有端面内向密封外套,所述转芯与所述法兰压盖之间的空腔内设有低温密封圈一、内密封加强套和低温密封圈二,低温密封圈一贴紧端面内向密封外套设置,内密封加强套贴紧低温密封圈一设置,低温密封圈二贴紧内密封加强套设置;所述法兰压盖...
【专利技术属性】
技术研发人员:张胜虎,王德元,马亮,李刚,黄磊,梁效须,
申请(专利权)人:鞍山市昱虎流体设备有限公司,
类型:新型
国别省市:辽宁,21
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