CN2095277U - 通用抽油杆专用钳 - Google Patents

通用抽油杆专用钳 Download PDF

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Publication number
CN2095277U
CN2095277U CN 91208338 CN91208338U CN2095277U CN 2095277 U CN2095277 U CN 2095277U CN 91208338 CN91208338 CN 91208338 CN 91208338 U CN91208338 U CN 91208338U CN 2095277 U CN2095277 U CN 2095277U
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China
Prior art keywords
sucker rod
handle
cam
binding clip
plier head
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Withdrawn
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CN 91208338
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English (en)
Inventor
高生彬
刘电波
刘志
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No4 Oil Prodn Plant Daqing Petroleum Administration
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No4 Oil Prodn Plant Daqing Petroleum Administration
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Application filed by No4 Oil Prodn Plant Daqing Petroleum Administration filed Critical No4 Oil Prodn Plant Daqing Petroleum Administration
Priority to CN 91208338 priority Critical patent/CN2095277U/zh
Publication of CN2095277U publication Critical patent/CN2095277U/zh
Withdrawn legal-status Critical Current

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Abstract

一种为油田抽油泵井检泵作业时通用抽油杆专 用钳。它由钳头1、手柄3和二者连接件2组成;其 中钳头工作面为无牙平面,其上有配合槽4,与钳头 连接的手柄端为凸轮5。本钳工作面为平面和弧面, 不损伤夹持件,同时在不需要调节下可夹牢不同规格 的夹持物。

Description

一种为油田抽油泵井检泵作业时通用抽油杆专用钳。
油田机采井检泵作业时,起下抽油杆使用的上卸工具是600~900mm管钳,其上有板牙,在使用过程中经反复作业施工,容易把抽油杆咬坏,使其强度降低,就有发生断杆的可能性;在使用过程中,对不同的抽油杆,需人工反复调节管钳,在寒冷地区作业,由于工具上有油污,给调节管钳带来困难,影响工作效率。
本实用新型的目的在于克服上述现有技术中的缺点之处,而提出一种无牙凸轮式通用抽油杆专用钳;使用过程中不损伤被卡物,在规定规格内不需调节下可卡牢不同直径的抽油杆。
本实用新型的目的可通过以下技术方案来达到:手柄上钳口端为凸轮,它与无牙钳头用轴销构成相互转动体,且钳头上有供凸轮转动时通过的槽口。
本实用新型的目的还可通过以下技术方案来达到:上述凸轮的轮廓为渐开线形。
本实用新型相比现有技术具有如下效果:
由于采用无牙平面钳头和手柄端凸轮弧面夹持物件,不损伤夹持物,在不需调节下可卡牢规定内不同规格的夹持物,提高工作效率。
图1是本实用新型主视示图;
图2是图1钳头部分俯视图。
由附图1、2所示,手柄3上钳口端加工或焊接为凸轮5,它与无牙钳头1用轴销2构成相互转动体,且钳头上有供凸轮5转动时通过的轴向槽4,其中凸轮5的轮廓为渐开线形。被夹持物--抽油杆上部方形接头卡在钳口中,转动手柄使凸轮上合适弧面(线)与钳头卡牢物件。因抽油杆规格变化不大,本钳可满足通用抽油杆连接和卸下的需要。

Claims (2)

1、一种通用抽油杆专用钳,它由手柄3、钳头1和二者连接件2组成,其特征是:手柄3上钳口端为凸轮5,它与无牙钳头1用轴销2构成相互转动体,且钳头上有供凸轮转动时通过的槽口4。
2、如权利要求1所述的通用抽油杆专用钳,其特征是:凸轮5的轮廓为渐开线形。
CN 91208338 1991-05-11 1991-05-11 通用抽油杆专用钳 Withdrawn CN2095277U (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 91208338 CN2095277U (zh) 1991-05-11 1991-05-11 通用抽油杆专用钳

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 91208338 CN2095277U (zh) 1991-05-11 1991-05-11 通用抽油杆专用钳

Publications (1)

Publication Number Publication Date
CN2095277U true CN2095277U (zh) 1992-02-05

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Family Applications (1)

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CN 91208338 Withdrawn CN2095277U (zh) 1991-05-11 1991-05-11 通用抽油杆专用钳

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CN (1) CN2095277U (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102099542B (zh) * 2008-07-18 2014-03-12 诺埃提克技术公司 为夹持工具提供改进操作范围和能力的三凸轮轴向扩展

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102099542B (zh) * 2008-07-18 2014-03-12 诺埃提克技术公司 为夹持工具提供改进操作范围和能力的三凸轮轴向扩展

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