CN201963717U - 一种螺杆钻具专用径向轴承 - Google Patents

一种螺杆钻具专用径向轴承 Download PDF

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Publication number
CN201963717U
CN201963717U CN2011200685941U CN201120068594U CN201963717U CN 201963717 U CN201963717 U CN 201963717U CN 2011200685941 U CN2011200685941 U CN 2011200685941U CN 201120068594 U CN201120068594 U CN 201120068594U CN 201963717 U CN201963717 U CN 201963717U
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CN
China
Prior art keywords
radial bearing
outer ring
inner ring
ring
drill tool
Prior art date
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Expired - Fee Related
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CN2011200685941U
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English (en)
Inventor
何元君
吴晓鲁
刘广良
韩雁翎
王莉
郭峰
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.)
Shandong Shengyou Oil Drilling & Production Machinery Co Ltd
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Shandong Shengyou Oil Drilling & Production Machinery Co Ltd
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Publication date
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Priority to CN2011200685941U priority Critical patent/CN201963717U/zh
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Publication of CN201963717U publication Critical patent/CN201963717U/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Rolling Contact Bearings (AREA)

Abstract

本实用新型提供一种螺杆钻具专用径向轴承,包括径向轴承外圈、径向轴承内圈,径向轴承的外部为径向轴承外圈,内部为径向轴承内圈,径向轴承外圈和径向轴承内圈之间形成环形空腔,在径向轴承外圈的内侧和径向轴承内圈的外侧设有三段均匀分布的硬质合金块;其优点是扩大泥浆过流量以此来加强轴承摩擦副的润滑,减少摩擦磨损和机械功率的损耗,提高了轴承的寿命。

Description

一种螺杆钻具专用径向轴承
技术领域
本实用新型涉及螺杆钻具的专用工具,具体涉及一种螺杆钻具专用径向轴承。
背景技术
目前应用于螺杆钻具的径向轴承,多为轴承外圈内表面和轴承内圈外表面整体覆盖均匀厚度的耐磨材质,这种结构降低了泥浆过流量,减弱了轴承摩擦副的润滑,增加了摩擦磨损和机械功率的损耗,极大的影响了轴承寿命。
实用新型内容
为解决现有技术的不足,本实用新型提供一种螺杆钻具专用径向轴承。
本实用新型所采取的技术方案是:一种螺杆钻具专用径向轴承,包括径向轴承外圈、径向轴承内圈,径向轴承的外部为径向轴承外圈,内部为径向轴承内圈,径向轴承外圈和径向轴承内圈之间形成环形空腔,在径向轴承外圈的内侧和径向轴承内圈的外侧设有三段均匀分布的硬质合金块。
本实用新型的有益效果是:扩大泥浆过流量以此来加强轴承摩擦副的润滑,减少摩擦磨损和机械功率的损耗,提高了轴承的寿命。
附图说明
附图1为本实用新型的结构示意图。
其中:1径向轴承外圈、2径向轴承内圈、3硬质合金块。
具体实施方式
下面结合附图对本实用新型作进一步说明。
如图所示,一种螺杆钻具专用径向轴承,包括径向轴承外圈1、径向轴承内圈2,径向轴承的外部为径向轴承外圈1,内部为径向轴承内圈2,径向轴承外圈1和径向轴承内圈2之间形成环形空腔,在径向轴承外圈1的内侧和径向轴承内圈2的外侧设有三段均匀分布的硬质合金块3。

Claims (1)

1.一种螺杆钻具专用径向轴承,包括径向轴承外圈、径向轴承内圈,径向轴承的外部为径向轴承外圈,内部为径向轴承内圈,径向轴承外圈和径向轴承内圈之间形成环形空腔,其特征在于在径向轴承外圈的内侧和径向轴承内圈的外侧设有三段均匀分布的硬质合金块。
CN2011200685941U 2011-03-16 2011-03-16 一种螺杆钻具专用径向轴承 Expired - Fee Related CN201963717U (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011200685941U CN201963717U (zh) 2011-03-16 2011-03-16 一种螺杆钻具专用径向轴承

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011200685941U CN201963717U (zh) 2011-03-16 2011-03-16 一种螺杆钻具专用径向轴承

Publications (1)

Publication Number Publication Date
CN201963717U true CN201963717U (zh) 2011-09-07

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011200685941U Expired - Fee Related CN201963717U (zh) 2011-03-16 2011-03-16 一种螺杆钻具专用径向轴承

Country Status (1)

Country Link
CN (1) CN201963717U (zh)

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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: 20110907

Termination date: 20170316

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