CN2300718Y - 一种防脱抽油杆及其接箍 - Google Patents

一种防脱抽油杆及其接箍 Download PDF

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Publication number
CN2300718Y
CN2300718Y CN 97219858 CN97219858U CN2300718Y CN 2300718 Y CN2300718 Y CN 2300718Y CN 97219858 CN97219858 CN 97219858 CN 97219858 U CN97219858 U CN 97219858U CN 2300718 Y CN2300718 Y CN 2300718Y
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sucker rod
oil pumping
drop
pumping rod
utility
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Expired - Fee Related
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CN 97219858
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张敏
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Tianjin Dagang Oil Field Gordon Machinery Manufacturing Co Ltd
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Abstract

本实用新型是一种防脱抽油杆及其接箍,它包括一抽油杆的大端具有多棱锥孔结构,另一根抽油杆小端为多棱锥体,且两杆端部插装紧密配合,外套接箍与抽油杆大端的外缘以螺纹联结所组成,本实用新型结构设计合理、使用坚固可靠耐用,可杜绝抽油杆脱落,是一种在采油机械中比较理想的部件。

Description

一种防脱抽油杆及其接箍
本实用新型涉及一种抽油杆及其接箍,特别是防脱抽油杆及接箍,属于石油机械中采油设备部件。
目前,在石油开采机械领域中的采油装置上,其抽油杆均用GB-7229-87标准杆和接箍连结,如使用螺杆泵采油系统时,它是靠转子的旋转运动抽油,若仍用上述抽油杆装置,在运转中由于传递较大的扭矩,产生扭转弹性变形,在工作中经常由于停电或其他故障而突然发生机械停转,使长达千米的杆柱,因释放弹性变形而发生反转,致使接箍与杆脱扣,杆柱脱落,此时工人必须重头作业、重新组装,严重影响生产,并造成重大的经济损失,另外,因抽油杆与接箍为螺纹结合,要承受工作中产生的扭力、拉力等极易造成该部件断裂损坏,上述设备部件在使用中的缺点至今尚未得到很好的解决。
为解决现有技术设备的不足之处,本实用新型提供一种结构简单、设计合理,装修方便的防止脱落的抽油杆及其接箍。
本实用新型的技术解决方案是:一种防脱抽油杆及接箍,其抽油杆大端部为内棱锥孔,另一抽油杆为小端部具有外棱锥体结构,且抽油杆大小端相配紧密插装结合,抽油杆大端外螺纹与外套的接箍内螺纹相联结。
以下将结合附图和实施例对本实用新型做进一步详细说明。
图1、为本实用新型结构示意图。
图2、为本实用新型抽油杆大端部位结构示意图。
图3、为本实用新型抽油杆小端部结构示意图。
图4、为本实用新型接箍结构示意图。
图中,1抽油杆小端、2抽油杆大端、3接箍。
如图1所示,本实用新型包括抽油杆小端1和抽油杆大端2插接后与接箍3连结,其一根抽油杆小端1上具有外多棱锥(或棱台),另一根抽油杆大端2具有内多棱锥(或棱台)孔,其大小端紧密插装结合,外套的接箍3与大端2以螺纹联结组成。
本实用新型中,抽油杆大端2可以是由六棱台孔,杆小端1部为六棱台体构成。
因本实用新型的抽油杆两端头部为相配的多棱锥体和孔,插装比较紧密,在抽油杆正反转或突然停转时均不会脱扣,又因接箍与杆大端接头以螺纹连结,只承受扭力因此极大的改善了同类产品易损坏的缺点,从而延长了抽油杆和接箍的寿命。
本实用新型结构合理,紧固耐用,可杜绝脱扣现象发生,是一种比较理想的采油机械部件。

Claims (2)

1、一种防脱抽油杆及其接箍,包括两抽油杆端部与接箍连结,其特征在于:其一抽油杆大端具有内多棱锥孔结构,另一个抽油杆小端为外多棱锥体,杆大小端相配紧密插装结合,抽油杆大端与外套的接箍以螺纹联结。
2、根据权利要求1所述的防脱抽油杆及接箍,其特征在于:抽油杆大端部可以是内六棱台孔和抽油杆小端部的外六棱台体相配插装结合。
CN 97219858 1997-07-16 1997-07-16 一种防脱抽油杆及其接箍 Expired - Fee Related CN2300718Y (zh)

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Application Number Priority Date Filing Date Title
CN 97219858 CN2300718Y (zh) 1997-07-16 1997-07-16 一种防脱抽油杆及其接箍

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CN 97219858 CN2300718Y (zh) 1997-07-16 1997-07-16 一种防脱抽油杆及其接箍

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CN2300718Y true CN2300718Y (zh) 1998-12-16

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105484674A (zh) * 2015-12-31 2016-04-13 九环机械股份有限公司 一种螺杆泵限位装置用方轴脱接器
CN106285508A (zh) * 2016-10-20 2017-01-04 西南石油大学 一种抽油杆双螺纹防脱装置
CN106639905A (zh) * 2017-01-24 2017-05-10 中国石油天然气集团公司 异径连续油管对接装置及其安装方法和异径油管安装方法

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105484674A (zh) * 2015-12-31 2016-04-13 九环机械股份有限公司 一种螺杆泵限位装置用方轴脱接器
CN105484674B (zh) * 2015-12-31 2018-02-13 九环机械股份有限公司 一种螺杆泵限位装置用方轴脱接器
CN106285508A (zh) * 2016-10-20 2017-01-04 西南石油大学 一种抽油杆双螺纹防脱装置
CN106639905A (zh) * 2017-01-24 2017-05-10 中国石油天然气集团公司 异径连续油管对接装置及其安装方法和异径油管安装方法
CN106639905B (zh) * 2017-01-24 2018-10-12 中国石油天然气集团公司 异径连续油管对接装置及其安装方法和异径油管安装方法
US11149496B2 (en) 2017-01-24 2021-10-19 China National Petroleum Corporation Coupling apparatus for coiled tubings of different diameters, installing method for coupling apparatus, and installing method for tubings of different diameters using coupling apparatus

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COR Change of bibliographic data

Free format text: CORRECT: PATENTEE; FROM: ZHANG MIN TO: TIANJIN DAGANG OILFIELD CANGHAI INDUSTRIAL COMPANY

CP03 Change of name, title or address

Address after: 300280 Dagang Oilfield, Dagang Road, Tianjin Cheng Cheng hospital

Patentee after: Tianjin Dagang Oilfield Industrial Company

Address before: 132012 No. three, building 14, Linjiang District, Jilin, Jilin, 38

Patentee before: Zhang Min

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Owner name: TIANJIN DAGANG OIL FIELD GAODENG MACHINERY MANUFA

Free format text: FORMER OWNER: TIANJIN DAGANG OILFIELD CANGHAI INDUSTRIAL COMPANY

Effective date: 20031128

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Effective date of registration: 20031128

Address after: Tianjin City Dagang oil field in the middle section of the northern section of the road, Li Cheng company

Patentee after: Tianjin Dagang oil field Gordon Machinery Manufacturing Co., Ltd.

Address before: Dagang Oilfield in Tianjin city through the middle of the road into the hospital

Patentee before: Tianjin Dagang Oilfield Industrial Company

C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee