CN2623940Y - 钢基铜合金轴套 - Google Patents

钢基铜合金轴套 Download PDF

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Publication number
CN2623940Y
CN2623940Y CN 03229506 CN03229506U CN2623940Y CN 2623940 Y CN2623940 Y CN 2623940Y CN 03229506 CN03229506 CN 03229506 CN 03229506 U CN03229506 U CN 03229506U CN 2623940 Y CN2623940 Y CN 2623940Y
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China
Prior art keywords
copper alloy
axle sleeve
steel
layer
copper
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Expired - Lifetime
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CN 03229506
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English (en)
Inventor
孙志华
钟备
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Zhejiang Changsheng Sliding Bearing Co., Ltd.
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Jiashan Changsheng Sliding Bearing Co ltd
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Priority to CN 03229506 priority Critical patent/CN2623940Y/zh
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Publication of CN2623940Y publication Critical patent/CN2623940Y/zh
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Abstract

钢基铜合金轴套至少含有钢基外层，其内表面上熔结有铜合金层并且制有油槽。本实用新型克服了钢铜结合力小的缺点，兼备具有钢层抗冲击力强和铜层导热好的优点。由于铜层厚度1－2毫米且有油槽，因此在中载、中速直线往复或旋转运动试验中，效果良好。

Description

钢基铜合金轴套
所属技术领域
本实用新型在国际专利分类表中，属于轴、除传动元件以外的转动部件、轴承小类，即F16C小类，特别涉及钢铜二层复合轴承。
背景技术
目前，在国内的机械行业里，对作往复滑动的导向轴套或作旋转运动的轴套，通常采用整体式铜套或整体式钢套。铜套的导热性与减摩性较好，但有承载能力差，抗冲击性能差的缺点。钢套则相反，抗冲击能力强、承载能力大，但导热性差，而且在硬度较高时，作为对磨件的轴，其磨损较快且容易“咬轴”。为此，有些厂家采用了在钢基外层的内表面上，烧结一层铜粉或涂、镀一层铜的方法。但是由此得到的轴套，钢和铜的结合力很差，实测不大于16MPa；且铜粉层的致密性差即密度低、抗刮伤能力弱、承载力小，因此无法适用于中载中速的机械中。
实用新型内容
本实用新型的目的是提供一种钢基铜合金轴套。它既保持铜层低摩擦系数及耐磨性、导热性好的优点，又与抗冲击力强、承载能力大的钢基外层有极好的结合力。
完成上述目的的新技术方案如下：
钢基铜合金轴套至少含有钢基外层，其特征在于钢基外层的内表面上，熔结有铜合金层，所述铜合金的表面还制有油槽。
按照上述方案制成的钢基铜合金轴套，由于铜合金层熔结于外层钢基内表面上，因此具有极强的层间结合力，样品实测值大于80MPa。此外，铜合金制有油槽，通过在油槽内加润滑油或脂，使轴套在工作中能与轴之间形成稳定的油膜，因此润滑性能远好于已有技术，同时又保持了钢基外层抗冲击力强、承载能力大的优点。样品在中载中速直线往复或旋转运动状态试验中，效果良好。
附图说明
图1为本实用新型剖面示意图。图2为图1的左视图。图3为图1的局部剖视放大图。
具体实施方式
钢基铜合金轴套至少含有钢基外层1，在其内表面上熔结有铜合金层2。所述的铜合金层2厚度为1-2毫米并且制有油槽3。油槽3可为封闭环形槽、螺旋线槽，本例采用“8”字形槽。所述钢基外层1采用优质碳素结构钢或轴承钢，为便于安装，可带有法兰。所述铜合金层2以锡青铜为佳。在已有技术中，钢基涂或镀铜的结合面为规则圆柱面；钢基烧结铜的结合面为基本规则圆柱面。本实用新型因为熔结而成为不规则的圆柱面。

Claims (5)

1、一种钢基铜合金轴套，至少含有钢基外层[1]，其特征在于钢基外层[1]的内表面上熔结有铜合金层[2]，所述铜合金层[2]的表面还制有油槽[3]。
2、如权利要求1所述的钢基铜合金轴套，其特征在于钢基外层[1]和铜合金层[2]的结合处呈不规则的圆柱面。
3、如权利要求1或2所述的钢基铜合金轴套，其特征在于油槽[3]呈“8”字形。
4、如权利要求1或2所述的钢基铜合金轴套，其特征在于所述铜合金层[2]为锡青铜，厚度为1-2毫米。
5、如权利要求3所述的钢基铜合金轴套，其特征在于所述铜合金层[2]为锡青铜，厚度为1-2毫米。
CN 03229506 2003-03-18 2003-03-18 钢基铜合金轴套 Expired - Lifetime CN2623940Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 03229506 CN2623940Y (zh) 2003-03-18 2003-03-18 钢基铜合金轴套

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 03229506 CN2623940Y (zh) 2003-03-18 2003-03-18 钢基铜合金轴套

Publications (1)

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CN2623940Y true CN2623940Y (zh) 2004-07-07

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102431875A (zh) * 2011-12-12 2012-05-02 苏州汉森电梯有限公司 自动扶梯梯级轴用的梯级轴套

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102431875A (zh) * 2011-12-12 2012-05-02 苏州汉森电梯有限公司 自动扶梯梯级轴用的梯级轴套

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C56 Change in the name or address of the patentee

Owner name: ZHEJIANG CHANGSHENG SLIDING BEARING CO., LTD.

Free format text: FORMER NAME: CHANGSHENG SLIDING BEARING CO., LTD., JIASHAN

CP03 Change of name, title or address

Address after: 314100 industrial parks in Zhejiang province Weitang Town of Jiashan County Changsheng Road No. 138

Patentee after: Zhejiang Changsheng Sliding Bearing Co., Ltd.

Address before: 314100 No. 6 Fen Lake Road, Jiashan Economic Development Zone, Zhejiang, China

Patentee before: Changsheng Sliding Bearing Co., Ltd., Jiashan

C56 Change in the name or address of the patentee

Owner name: ZHEJIANG CHANGSHENG SLIDING BEARINGS CO., LTD.

Free format text: FORMER NAME: ZHEJIANG CHANGSHENG SLIDING BEARING CO., LTD.

CP03 Change of name, title or address

Address after: 314100 No. 138 Changsheng Road, Jiashan County, Zhejiang Province

Patentee after: Zhejiang Changsheng Sliding Bearing Co., Ltd.

Address before: 314100 industrial parks in Zhejiang province Weitang Town of Jiashan County Changsheng Road No. 138

Patentee before: Zhejiang Changsheng Sliding Bearing Co., Ltd.

C17 Cessation of patent right
CX01 Expiry of patent term

Expiration termination date: 20130318

Granted publication date: 20040707