CN105673085A - 一种燕尾榫接的组合式叶轮结构 - Google Patents

一种燕尾榫接的组合式叶轮结构 Download PDF

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Publication number
CN105673085A
CN105673085A CN201610208712.1A CN201610208712A CN105673085A CN 105673085 A CN105673085 A CN 105673085A CN 201610208712 A CN201610208712 A CN 201610208712A CN 105673085 A CN105673085 A CN 105673085A
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China
Prior art keywords
dovetail
wheel disc
hole
joggled
impeller structure
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CN201610208712.1A
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English (en)
Inventor
赵慧颖
崔焕勇
门秀花
张琨
马敏波
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University of Jinan
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University of Jinan
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Priority to CN201610208712.1A priority Critical patent/CN105673085A/zh
Publication of CN105673085A publication Critical patent/CN105673085A/zh
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/02—Blade-carrying members, e.g. rotors
    • F01D5/021—Blade-carrying members, e.g. rotors for flow machines or engines with only one axial stage
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/32—Rotors specially for elastic fluids for axial flow pumps
    • F04D29/325—Rotors specially for elastic fluids for axial flow pumps for axial flow fans
    • F04D29/329—Details of the hub
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B3/00—Machines or engines of reaction type; Parts or details peculiar thereto
    • F03B3/12—Blades; Blade-carrying rotors
    • F03B3/128—Mounting, demounting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/60—Mounting; Assembling; Disassembling
    • F04D29/64—Mounting; Assembling; Disassembling of axial pumps
    • F04D29/644—Mounting; Assembling; Disassembling of axial pumps especially adapted for elastic fluid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2260/00—Function
    • F05D2260/30—Retaining components in desired mutual position
    • F05D2260/36—Retaining components in desired mutual position by a form fit connection, e.g. by interlocking
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/20—Hydro energy
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)

Abstract

本发明公开了一种燕尾榫接的组合式叶轮结构，属于机械制造技术领域，可解决旋转机械轮盘整体加工的不足以及维修不便的问题。本发明采用分瓣组合式，包括轮盘瓣、辅盘，所述轮盘瓣包括燕尾式凸榫、榫槽、叶片、安装孔、轴孔凸起和轴孔，所述轮盘瓣的两侧分别设有燕尾式凸榫和榫槽，所述轮盘瓣之间通过所述燕尾式凸榫和所述榫槽相连接，所述辅盘包括连接孔和中心孔，所述中心孔套入所述轴孔凸起，所述连接孔通过螺纹连接与所述安装孔相连。本发明具有轮盘瓣的互换性，与轮盘整体加工相比降低加工成本，解决了的维修不便的问题，从而延长了使用寿命。

Description

一种燕尾榫接的组合式叶轮结构
技术领域
本发明涉及机械制造技术领域，特别涉及一种燕尾榫接的组合式叶轮结构。
背景技术
轮盘是旋转机械的重要组成部分，旋转机械在运行时，受到气动激振、机械激振等作用的影响，容易造成损坏，轮盘的整体加工是将一组叶片和叶片轮盘进行整体铸造，造价高，当某一部分损坏时，只能整体更换，维护困难且维护成本极高。
发明内容
本发明公开了一种燕尾榫接的组合式叶轮结构，属于机械制造技术领域，可解决旋转机械轮盘整体加工的不足以及维修不便的问题。
本发明解决其技术问题采取的技术方案是：一种燕尾榫接的组合式叶轮结构，包括轮盘瓣、辅盘，所述轮盘瓣包括燕尾式凸榫、榫槽、叶片、安装孔、轴孔凸起和轴孔，所述轮盘瓣的两侧分别设有燕尾式凸榫和榫槽，所述轮盘瓣之间通过所述燕尾式凸榫和所述榫槽相连接，所述辅盘包括连接孔和中心孔，所述中心孔套入所述轴孔凸起，所述连接孔通过螺纹连接与所述安装孔相连。
进一步地，所述辅盘的内径与所述轴孔凸起的外圆半径相同。
进一步地，所述轮盘瓣的个数若干，可根据具体情况进行调整。
进一步地，所述连接孔在所述辅盘均布，其个数与所述轮盘瓣的个数相同。
本发明的有益效果为：本发明的一种燕尾榫接的组合式叶轮结构，在每个轮盘瓣的两侧分别有燕尾式凸榫和榫槽，每个轮盘瓣的燕尾式凸榫均嵌入与之相邻的另一个轮盘瓣的榫槽中，榫接成为一个完整的中间带轴孔的叶片轮盘，并由辅盘进行固定，轮盘瓣具有互换性，可批量生产，与轮盘整体加工相比降低加工成本，解决了的维修不便的问题，从而延长了使用寿命。
发明内容
图1为本发明一种燕尾榫接的组合式叶轮结构结构示意图；
图2为本发明轮盘瓣结构示意图；
图3为本发明辅盘结构示意图；
其中：
1-轮盘瓣；2-辅盘；3-燕尾式凸榫；4-榫槽；5-叶片；6-安装孔；7-轴孔凸起；
8-连接孔；9-中心孔；10-轴孔。
发明内容
参照说明书附图1至附图3对本发明的一种燕尾榫接的组合式叶轮结构，作以下详细地说明。
一种燕尾榫接的组合式叶轮结构，包括轮盘瓣1、辅盘2，所述轮盘瓣1包括燕尾式凸榫3、榫槽4、叶片5、安装孔6、轴孔凸起7和轴孔10，所述轮盘瓣1的两侧分别设有燕尾式凸榫3和榫槽4，所述轮盘瓣1之间通过所述燕尾式凸榫3和所述榫槽4相连接，所述辅盘2包括连接孔8和中心孔9，所述中心孔9套入所述轴孔凸起7，所述连接孔8通过螺纹连接与所述安装孔6相连。
进一步地，所述辅盘2的内径与所述轴孔凸起7的外圆半径相同。
进一步地，所述轮盘瓣1的个数若干，可根据具体情况进行调整。
进一步地，所述连接孔8在所述辅盘2均布，其个数与所述轮盘瓣1的个数相同。
使用本发明，在每个轮盘瓣1的两侧分别有燕尾式凸榫3和榫槽4，每个轮盘瓣1的燕尾式凸榫3均嵌入与之相邻的另一个轮盘瓣1的榫槽4中，完成轮盘瓣之间的装配，由辅盘2的中心孔9套入轴孔凸起7，连接孔8通过螺纹连接与安装孔6相连，完成轮盘瓣1与辅盘2之间的装配，进而形成一个完整的中间带轴孔10的叶片轮盘。
以上所述，仅为本发明的具体实施方式，熟悉本领域的技术人员在本发明揭露的范围内，可轻易想到的变化，都应涵盖在发明的保护范围之内。

Claims (4)

1.一种燕尾榫接的组合式叶轮结构，包括轮盘瓣、辅盘，所述轮盘瓣包括燕尾式凸榫、榫槽、叶片、安装孔、轴孔凸起和轴孔，所述轮盘瓣的两侧分别设有燕尾式凸榫和榫槽，所述轮盘瓣之间通过所述燕尾式凸榫和所述榫槽相连接，所述辅盘包括连接孔和中心孔，所述中心孔套入所述轴孔凸起，所述连接孔通过螺纹连接与所述安装孔相连。
2.根据权利要求1所述的一种燕尾榫接的组合式叶轮结构，其特征在于，所述辅盘的内径与所述轴孔凸起的外圆半径相同。
3.根据权利要求1所述的一种燕尾榫接的组合式叶轮结构，其特征在于，所述轮盘瓣的个数若干，可根据具体情况进行调整。
4.根据权利要求1所述的一种燕尾榫接的组合式叶轮结构，其特征在于，所述连接孔在所述辅盘均布，其个数与所述轮盘瓣的个数相同。
CN201610208712.1A 2016-04-06 2016-04-06 一种燕尾榫接的组合式叶轮结构 Pending CN105673085A (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3779178A4 (en) * 2018-03-26 2021-11-17 Myung Soon Bae DEVICE FOR GENERATING HYDROELECTRIC ENERGY

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB643914A (en) * 1948-03-08 1950-09-27 Joseph Stanley Hall Improvements in and relating to turbine or like blade securing means
US6837685B2 (en) * 2002-12-13 2005-01-04 General Electric Company Methods and apparatus for repairing a rotor assembly of a turbine
CN102022379A (zh) * 2010-12-23 2011-04-20 西北工业大学 一种轴流式风机叶轮
CN102322446A (zh) * 2011-08-30 2012-01-18 孝感学院 一种轴流通风机叶片固定方法
CN102979763A (zh) * 2012-12-29 2013-03-20 成都成发科能动力工程有限公司 轴流式压缩机转子动叶片安装结构及动叶片安装方式
CN103628928A (zh) * 2013-11-29 2014-03-12 东方电气集团东方汽轮机有限公司 枞树型叶根末叶片轴向定位结构
CN205445686U (zh) * 2016-04-06 2016-08-10 济南大学 一种燕尾榫接的组合式叶轮结构

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB643914A (en) * 1948-03-08 1950-09-27 Joseph Stanley Hall Improvements in and relating to turbine or like blade securing means
US6837685B2 (en) * 2002-12-13 2005-01-04 General Electric Company Methods and apparatus for repairing a rotor assembly of a turbine
CN102022379A (zh) * 2010-12-23 2011-04-20 西北工业大学 一种轴流式风机叶轮
CN102322446A (zh) * 2011-08-30 2012-01-18 孝感学院 一种轴流通风机叶片固定方法
CN102979763A (zh) * 2012-12-29 2013-03-20 成都成发科能动力工程有限公司 轴流式压缩机转子动叶片安装结构及动叶片安装方式
CN103628928A (zh) * 2013-11-29 2014-03-12 东方电气集团东方汽轮机有限公司 枞树型叶根末叶片轴向定位结构
CN205445686U (zh) * 2016-04-06 2016-08-10 济南大学 一种燕尾榫接的组合式叶轮结构

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3779178A4 (en) * 2018-03-26 2021-11-17 Myung Soon Bae DEVICE FOR GENERATING HYDROELECTRIC ENERGY
US11668273B2 (en) 2018-03-26 2023-06-06 Myung soon Bae Hydroelectric power generation device

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