CN202578599U - 整体型套铣筒 - Google Patents

整体型套铣筒 Download PDF

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Publication number
CN202578599U
CN202578599U CN 201220192516 CN201220192516U CN202578599U CN 202578599 U CN202578599 U CN 202578599U CN 201220192516 CN201220192516 CN 201220192516 CN 201220192516 U CN201220192516 U CN 201220192516U CN 202578599 U CN202578599 U CN 202578599U
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China
Prior art keywords
washover
integral
milling shoe
milling
utility
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Expired - Fee Related
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CN 201220192516
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English (en)
Inventor
肖德石
刘春友
胡莹
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Liaoning Petroleum Machinery Manufacturing Co Ltd
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Liaoning Petroleum Machinery Manufacturing Co Ltd
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Priority to CN 201220192516 priority Critical patent/CN202578599U/zh
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Abstract

本实用新型涉及一种整体型套铣筒,包括上接头、筒体和套铣鞋,筒体两端分别与上接头和套铣鞋焊接固定在一起,套铣鞋底部切割成铣齿状。本实用新型结构设计合理,操作方便,有效地降低了操作难度,提高了工作效率。

Description

整体型套铣筒
技术领域
本实用新型涉及一种套铣工具,特别是涉及一种整体型套铣筒。
背景技术
整体型套铣筒是一种用来与套铣鞋联合使用的套铣工具,其功能是多用于套铣水泥、硬结砂井下工具及某些硬度较高的材料等。目前的套铣工具结构复杂,制作成本高,操作不方便,从而影响了工作效率。
发明内容
本实用新型克服了现有技术中的不足,提供了一种结构设计合理,操作方便的整体型套铣筒。
为了解决上述问题,本实用新型采用以下技术方案:
整体型套铣筒,包括上接头、筒体和套铣鞋,筒体两端分别与上接头和套铣鞋焊接固定在一起,套铣鞋底部切割成铣齿状。
所述的套铣鞋底部加焊切削合金。
与现有技术相比,本实用新型的有益效果是:
本实用新型结构简单,成本低,操作方便,有效的提高了工作效率。
附图说明
图1为本实用新型结构示意图。
具体实施方式
整体型套铣筒,如图1所示,包括上接头1、筒体2和套铣鞋3,筒体2两端分别与上接头1和套铣鞋3焊接固定在一起,套铣鞋3底部切割成铣齿状,套铣鞋3底部加焊切削合金。由于套铣某些硬度较高的材料,因而需用强度较大的厚壁无缝钢管或高强度钻杆制作,焊接时,应进行焊接前的预热处理,否则会形成微裂纹,在套铣时造成断裂事故。

Claims (2)

1.整体型套铣筒,其特征在于,包括上接头、筒体和套铣鞋,筒体两端分别与上接头和套铣鞋焊接固定在一起,套铣鞋底部切割成铣齿状。
2.根据权利要求1所述的整体型套铣筒,其特征在于,所述的套铣鞋底部加焊切削合金。
CN 201220192516 2012-04-28 2012-04-28 整体型套铣筒 Expired - Fee Related CN202578599U (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220192516 CN202578599U (zh) 2012-04-28 2012-04-28 整体型套铣筒

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220192516 CN202578599U (zh) 2012-04-28 2012-04-28 整体型套铣筒

Publications (1)

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CN202578599U true CN202578599U (zh) 2012-12-05

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Family Applications (1)

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CN 201220192516 Expired - Fee Related CN202578599U (zh) 2012-04-28 2012-04-28 整体型套铣筒

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111502583A (zh) * 2020-05-20 2020-08-07 中国石油集团渤海钻探工程有限公司 一种大直径表层套管套铣专用套铣鞋

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111502583A (zh) * 2020-05-20 2020-08-07 中国石油集团渤海钻探工程有限公司 一种大直径表层套管套铣专用套铣鞋

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20121205

Termination date: 20210428

CF01 Termination of patent right due to non-payment of annual fee