CN103197392A - 光缆护管端口密封托架 - Google Patents

光缆护管端口密封托架 Download PDF

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CN103197392A
CN103197392A CN2013101283395A CN201310128339A CN103197392A CN 103197392 A CN103197392 A CN 103197392A CN 2013101283395 A CN2013101283395 A CN 2013101283395A CN 201310128339 A CN201310128339 A CN 201310128339A CN 103197392 A CN103197392 A CN 103197392A
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pillar
optical cable
support frame
external diameter
protection tube
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CN103197392B (zh
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岳海红
熊莉娟
金晋
张凯
阎峰
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State Grid Corp of China SGCC
Taiyuan Power Supply Co of Shanxi Electric Power Co
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State Grid Corp of China SGCC
Taiyuan Power Supply Co of Shanxi Electric Power Co
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Abstract

光缆护管端口密封托架属于光纤通讯设备技术领域。由在上的裂缝垫和在下的两半托架组成。两半托架的月牙盘与D形圈之间用连柱相连，其间填充防火泥。密封托架不仅使防火泥填充密实，而且整体性耐久，不易散碎下坠。用于通讯光缆入户护管端口的密封。

Description

光缆护管端口密封托架
技术领域 光纤通讯设备。 
背景技术 通讯光缆入户有护管保护，现行办法是光缆穿入塑料护管，塑料护管再穿入钢护管。在钢护管端口填塞防火泥，并加装对开式防雨帽，盖住钢护管端口进行密封。但是由于热涨冷缩、风化水浸等因素反复作用，久而久之防火泥逐渐散碎下坠失效，进而导致夏季管口进水，冬季结冰造成光缆被挤压损坏，另外冬季冷凝水侵入也会结冰造成光缆被挤压受损。光缆护管端口需要有防火泥防坠器件，保持整体的安装状态。 
发明内容 光缆护管端口密封托架要解决的技术问题是：防止防火泥散碎后下坠失效，解决的技术方案是：在护管端口加装密封托架，使所填防火泥牢固持久地装在护管端口内。 
光缆护管端口密封托架(附图)由在上的裂缝垫和在下的两半托架1组成。两半托架1由两连接柱4将在上的D形圈2与在下的月牙盘5连接而成。 
使用时，将两个半托架1放入光缆钢护管端口内，经D形圈2架在钢护管端面上，并由子口3径向定位。两半托架1并合后，两月牙盘5形成一个外径略小于钢护管内径的托盘。两月牙盘5中间形成的圆孔，可使塑料护管正好通过。然后经D形圈2的空处填入防火泥，并使之密实。防火泥便将钢护管和塑料护管之间的空间填满密封；之后，刮平D形圈2上平面处的防火泥，铺上两片裂缝垫，务使两片裂缝垫的裂缝错开180°。再后，在裂缝垫上堆一防火泥锥台，最后扣合防雨帽。 
光缆护管端口密封托架的优点是：①防火泥有两个半托架1托住，填装时可以填密实，增加密封性；日久散碎，也不会下坠钢护管内，密封持久。②有裂 
缝垫形成轴向隔水层，防雨性能及防冷凝水侵入的能力大大增强。 
附图说明 附图是光缆护管端口密封托架的半托架结构示意图。 
具体实施方式 半托架1用塑料注塑而成。两月牙盘5并合后形成的外圆、内孔直径分别与钢护管内径、塑料护管外径呈小间隙配合。两D形圈2并合后形成的外圆直径等于钢护管外径；子口3的外径与钢护管内径呈小间隙配合。两D形圈2并合后形成的目字形的两横三等分D形圈2形成的内圆直径。裂缝垫用高弹塑料制成，有一径向缝；内外径分别与塑料护管外径、钢护管内径呈小间隙配合。月牙盘5与D形圈2的间距继承现行防火泥填充段高度。 

Claims (3)

1.光缆护管端口密封托架是在护管端口加装密封托架，其特征是：由在上的裂缝垫和在下的两半托架(1)组成；两半托架(1)由两连柱(4)将在上的D形圈(2)与在下的月牙盘(5)连接而成。
2.根据权利要求1所述的光缆护管端口密封托架，其特征是：半托架(1)用塑料注塑而成；两月牙盘(5)并合后形成的外圆、内孔分别与钢护管内径、塑料护管外径呈小间隙配合；两D形圈(2)并合后形成的外圆直径等于钢护管外径；子口(3)的外径与钢护管内径呈小间隙配合；两D形圈(2)并合后形成的目字形的两横三等分D形圈(2)形成的内圆直径。
3.根据权利要求1所述的光缆护管端口密封托架，其特征是：裂缝垫用高弹塑料制成，有一径向缝；内外径分别与塑料护管外径、钢护管内径呈小间隙配合。
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103901565A (zh) * 2014-04-02 2014-07-02 国家电网公司 光缆护管端口密封吊圈

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102073107A (zh) * 2011-02-22 2011-05-25 中国海洋石油总公司 一种井下光缆连接装置
EP2530799A2 (de) * 2011-06-03 2012-12-05 gabo Systemtechnik GmbH Vorrichtung zum dichtenden Verschliessen eines Kabelschutzrohrendes
CN102878354A (zh) * 2012-10-10 2013-01-16 中国建筑第七工程局有限公司 一种柔性防水套管的制作方法
CN203299423U (zh) * 2013-04-02 2013-11-20 国家电网公司 光缆护管端口密封托架

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102073107A (zh) * 2011-02-22 2011-05-25 中国海洋石油总公司 一种井下光缆连接装置
EP2530799A2 (de) * 2011-06-03 2012-12-05 gabo Systemtechnik GmbH Vorrichtung zum dichtenden Verschliessen eines Kabelschutzrohrendes
CN102878354A (zh) * 2012-10-10 2013-01-16 中国建筑第七工程局有限公司 一种柔性防水套管的制作方法
CN203299423U (zh) * 2013-04-02 2013-11-20 国家电网公司 光缆护管端口密封托架

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103901565A (zh) * 2014-04-02 2014-07-02 国家电网公司 光缆护管端口密封吊圈
CN103901565B (zh) * 2014-04-02 2016-06-15 国家电网公司 光缆护管端口密封吊圈

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