CN2269944Y - 一种预应力混凝土井管 - Google Patents

一种预应力混凝土井管 Download PDF

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Publication number
CN2269944Y
CN2269944Y CN 96217130 CN96217130U CN2269944Y CN 2269944 Y CN2269944 Y CN 2269944Y CN 96217130 CN96217130 CN 96217130 CN 96217130 U CN96217130 U CN 96217130U CN 2269944 Y CN2269944 Y CN 2269944Y
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well casing
well pipe
female
male
cast iron
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CN 96217130
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刘志双
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Abstract

本实用新型是一种预应力混凝土井管,在井管两端分别为铸铁的公头和母头,公头和母头上分别设有供螺栓固定用的螺孔和穿孔。安装时可将一节的公头和另一节的母头很方便地互相连接。本井管强度好,安装使用都十分方便。

Description

一种预应力混凝土井管
本实用新型涉及一种混凝土制的井管,由混凝土预埋钢筋浇注而成。
专利号CN94220380.1是井管两端为铸铁接头的专利申请,它的缺点是两端接头为螺纹。这样,现场连接时需要抱起井管旋转才能对接起来。
本实用新型的目的是提供一种预应力混凝土井管,这种井管两端分别有公头和母头,可以很便利地一节节互相连接,制作和现场安装都十分方便。
本实用新型的目的是由如下结构来实现的:
井管两端分别为铸铁的公头(1)和母头(2),在公头(1)和母头(2)上分别设有供螺栓固定用的5~8个螺孔(3)和穿孔(4)。顺井管壁排列的钢筋在两端铆成镦头(5)。
本实用新型的优点是:制作时将管壁上钢筋拉紧两端铆好,浇注混凝土。安装时将一节井管的公头(1)对另一节井管的母头(2)插入连接,将公头(1)和母头(2)上对称的螺孔(3)和穿孔(4)对齐,插入螺栓并拧紧,这样即可将两节井管连接起来。按需即可依次多节连接。本井管强度高、施工安装方便。
附图解释;
附图1为井管正剖图;
附图2为二节井管连接图;
附图3为井管公头剖面图;
附图4为井管母头剖面图;
实施例:
将井管制成长为400cm,内径30cm,外径37cm。顺井壁均匀排列16根钢筋,两端都铆成镦头(5),井管的两端分别为铸铁的公头(1)和母头(2),公头(1)和母头(2)上分别设有供螺栓固定用的6个螺孔(3)和穿孔(4)。

Claims (1)

1、一种预应力混凝土井管,由混凝土预埋钢筋浇注而成,井管两端为铸铁,其特征在于两端铸铁分别为公头(1)和母头(2),在公头(1)和母头(2)上分别设有供螺栓固定用的5~8个螺孔(3)和穿孔(4),顺井管壁排列的钢筋在两端铆成镦头(5)。
CN 96217130 1996-07-12 1996-07-12 一种预应力混凝土井管 Expired - Fee Related CN2269944Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 96217130 CN2269944Y (zh) 1996-07-12 1996-07-12 一种预应力混凝土井管

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 96217130 CN2269944Y (zh) 1996-07-12 1996-07-12 一种预应力混凝土井管

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CN2269944Y true CN2269944Y (zh) 1997-12-10

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CN 96217130 Expired - Fee Related CN2269944Y (zh) 1996-07-12 1996-07-12 一种预应力混凝土井管

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100380050C (zh) * 2005-09-26 2008-04-09 梁乙次 燃煤炉灶用不锈烟管制作方法
CN110578335A (zh) * 2019-08-31 2019-12-17 上海宝冶集团有限公司 一种降水井管的快捷连接方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100380050C (zh) * 2005-09-26 2008-04-09 梁乙次 燃煤炉灶用不锈烟管制作方法
CN110578335A (zh) * 2019-08-31 2019-12-17 上海宝冶集团有限公司 一种降水井管的快捷连接方法

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