CN202811170U - 一种球面支钉刚性支撑推力轴承结构 - Google Patents

一种球面支钉刚性支撑推力轴承结构 Download PDF

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Publication number
CN202811170U
CN202811170U CN2012203563211U CN201220356321U CN202811170U CN 202811170 U CN202811170 U CN 202811170U CN 2012203563211 U CN2012203563211 U CN 2012203563211U CN 201220356321 U CN201220356321 U CN 201220356321U CN 202811170 U CN202811170 U CN 202811170U
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thrust bearing
support
support pin
rigid
pin
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张文秀
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Tianjin Tianfa Heavy Hydropower Equipment Manufacturing Co Ltd
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Tianjin Tianfa Heavy Hydropower Equipment Manufacturing Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/20Hydro energy
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

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Abstract

本实用新型提供一种球面支钉刚性支撑推力轴承结构,包括推力瓦、球面支钉、圆柱销和支撑环,球面支钉的一端为平面,通过圆柱销与推力瓦连接,球面支钉另一端为球面,与固定在轴承支架上的支撑环连接。本实用新型的有益效果是:成本低,结构简单,制造方便,安装、运行维护简化,可靠性高。

Description

一种球面支钉刚性支撑推力轴承结构
技术领域
本实用新型属于立式水轮发电机设计制造技术领域,尤其是涉及一种球面支钉刚性支撑推力轴承结构。
背景技术
立式水轮发电机推力负荷在300吨以下的推力轴承。目前广泛采用的结构有橡胶垫支撑推力轴承结构;支柱螺钉直接支撑推力轴承结构;支柱螺钉加托盘推力轴承结构。橡胶垫结构随时间推移,老化及变形影响到机组可靠性运行,维护工作量加大;支柱螺钉支撑结构成本较高,安装与维护工作量仍然较大。
发明内容
本实用新型的目的是提供一种结构简单、安全可靠、节省成本的球面支钉刚性支撑推力轴承结构。
本实用新型的技术方案是:一种球面支钉刚性支撑推力轴承结构,包括推力瓦、球面支钉、圆柱销和支撑环,所述球面支钉的一端为平面,通过圆柱销与推力瓦连接,球面支钉另一端为球面,与固定在轴承支架上的支撑环连接。
所述球面支钉由锻钢或45号圆钢加工制成。
本实用新型具有的优点和积极效果是:成本低,结构简单,制造方便,安装、运行维护简化,可靠性高。
附图说明
图1是本实用新型的结构示意图。
图中:
1、推力瓦    2、球面支钉    3、圆柱销
4、支撑环
具体实施方式
如图1所示,本实用新型一种球面支钉刚性支撑推力轴承结构,包括推力瓦1、球面支钉2、圆柱销3和支撑环4,球面支钉2的一端为平面,通过圆柱销3与推力瓦1连接,球面支钉2另一端为球面,与固定在轴承支架上的支撑环4连接。球面支钉2由锻钢或45号圆钢加工制成。
如图1所示,本实用新型具体实施方式如下:
1、根据推力负荷选择推力瓦1厚,取消托瓦;
2、加工球面支钉2;
3、将球面支钉2与推力瓦1进行配车;
4、加工推力轴承支撑环4;
5、在工地组装推力轴承。
本实用新型推力轴承最大的加工难度是:推力瓦1与球面支2钉进行配车,保证所有推力瓦1与球面支钉2在允许公差范围内。
本实用新型推力轴承的设计关键是:根据推力负荷选择足够厚的推力瓦1,在推力轴承的油膜计算中仅需考虑热变形安全即可,推力瓦1的机械变形可以忽略不计。本实用新型适用于推力负荷在300吨以下。
以上对本实用新型的一个实施例进行了详细说明,但所述内容仅为本实用新型的较佳实施例,不能被认为用于限定本实用新型的实施范围。凡依本实用新型申请范围所作的均等变化与改进等,均应仍归属于本实用新型的专利涵盖范围之内。

Claims (2)

1.一种球面支钉刚性支撑推力轴承结构,其特征在于:包括推力瓦(1)、球面支钉(2)、圆柱销(3)和支撑环(4),所述球面支钉(2)的一端为平面,通过圆柱销(3)与推力瓦(1)连接,球面支钉(2)另一端为球面,与固定在轴承支架上的支撑环(4)连接。
2.根据权利要求1所述的一种球面支钉刚性支撑推力轴承结构,其特征在于:所述球面支钉(2)由锻钢或45号圆钢加工制成。
CN2012203563211U 2012-07-21 2012-07-21 一种球面支钉刚性支撑推力轴承结构 Expired - Fee Related CN202811170U (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012203563211U CN202811170U (zh) 2012-07-21 2012-07-21 一种球面支钉刚性支撑推力轴承结构

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CN2012203563211U CN202811170U (zh) 2012-07-21 2012-07-21 一种球面支钉刚性支撑推力轴承结构

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CN202811170U true CN202811170U (zh) 2013-03-20

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Termination date: 20180721