CN103769796A - 一种兆瓦级风电机组主轴承内、外圈同时加热方法 - Google Patents

一种兆瓦级风电机组主轴承内、外圈同时加热方法 Download PDF

Info

Publication number
CN103769796A
CN103769796A CN201310526808.9A CN201310526808A CN103769796A CN 103769796 A CN103769796 A CN 103769796A CN 201310526808 A CN201310526808 A CN 201310526808A CN 103769796 A CN103769796 A CN 103769796A
Authority
CN
China
Prior art keywords
base bearing
inner ring
calculate
heating
magnetic induction
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201310526808.9A
Other languages
English (en)
Other versions
CN103769796B (zh
Inventor
李泽民
于炜东
李广伟
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.)
CRRC Wind Power Shandong Co Ltd
Original Assignee
CNR Wind Power Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CNR Wind Power Co Ltd filed Critical CNR Wind Power Co Ltd
Priority to CN201310526808.9A priority Critical patent/CN103769796B/zh
Publication of CN103769796A publication Critical patent/CN103769796A/zh
Application granted granted Critical
Publication of CN103769796B publication Critical patent/CN103769796B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P11/00Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for 
    • B23P11/02Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for  by first expanding and then shrinking or vice versa, e.g. by using pressure fluids; by making force fits
    • B23P11/025Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for  by first expanding and then shrinking or vice versa, e.g. by using pressure fluids; by making force fits by using heat or cold
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00Heating by electric, magnetic or electromagnetic fields
    • H05B6/02Induction heating
    • H05B6/36Coil arrangements
    • H05B6/40Establishing desired heat distribution, e.g. to heat particular parts of workpieces
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00Heating by electric, magnetic or electromagnetic fields
    • H05B6/02Induction heating
    • H05B6/36Coil arrangements
    • H05B6/44Coil arrangements having more than one coil or coil segment
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00Bearings with rolling contact, for exclusively rotary movement
    • F16C19/52Bearings with rolling contact, for exclusively rotary movement with devices affected by abnormal or undesired conditions
    • F16C19/525Bearings with rolling contact, for exclusively rotary movement with devices affected by abnormal or undesired conditions related to temperature and heat, e.g. insulation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2240/00Specified values or numerical ranges of parameters; Relations between them
    • F16C2240/40Linear dimensions, e.g. length, radius, thickness, gap
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2300/00Application independent of particular apparatuses
    • F16C2300/10Application independent of particular apparatuses related to size
    • F16C2300/14Large applications, e.g. bearings having an inner diameter exceeding 500 mm
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2360/00Engines or pumps
    • F16C2360/31Wind motors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C35/00Rigid support of bearing units; Housings, e.g. caps, covers
    • F16C35/04Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
    • F16C35/06Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
    • F16C35/063Fixing them on the shaft

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)

Abstract

本发明公开了一种兆瓦级风电机组主轴承内、外圈同时加热方法,采用新型的感应加热、磁感应线加热技术;主轴承外圈感应线直接缠绕在外圈上,通过其在主轴承外圈内产生的涡流为外圈加热膨胀;主轴承内圈感应线先缠绕在一个工装上,然后将工装安装在主轴承内圈里面,通过其在主轴承内圈内产生的涡流为内圈加热膨胀;外圈磁感应缠绕线密度是内圈的1.5~2倍,保证了同时刻主轴承外圈的膨胀量一直大于内圈;安装好后,主轴承内、外圈同时加热,同时膨胀,加热效率高,且主轴承滚子不受任何风险。

Description

一种兆瓦级风电机组主轴承内、外圈同时加热方法
技术领域
本发明涉及一种兆瓦级风电机组主轴承内、外圈同时加热方法。
背景技术
兆瓦级风电机组主轴承是风电机组中核心部件,其内孔与主轴设计为过盈配合。在安装过程中一般都将主轴承加热,使其膨胀,能够与轴间隙配合后才安装。常用的主轴承加热方式有油液加热、加热炉加热和感应加热;其中,油液加热及加热炉加热操作复杂、加热速度慢、对现场环境要求高,适用于密闭环境的小轴承加热;而兆瓦级风电机组主轴承尺寸偏大,且一般整机厂均无单独加热室,所以最好的方法就是使用感应加热器进行感应加热。但是同时,基于感应加热器感应原理,对于内、外圈整体式主轴承加热时势必会造成主轴承内、外圈温差过大,例如,实测容量为100KVA感应加热器内、外圈温差可达到100℃,这样就导致主轴承内圈膨胀量大于外圈,主轴承游隙变成负数,对主轴承滚子造成不良的挤压,影响主轴承的整体使用效果。利用感应加热器采用阶梯式加热,虽然能够保证主轴承特性不受影响,但其速度慢,效率低,不适于大批量生产。
发明内容
发明的目的就是为了解决上述问题,提供一种兆瓦级风电机组主轴承内、外圈同时加热方法,采用新型的感应加热、磁感应线加热技术。主轴承外圈感应线直接缠绕在外圈上,通过其在主轴承外圈内产生的涡流为外圈加热膨胀。主轴承内圈感应线先缠绕在一个工装上,然后将工装安装在主轴承内圈里面,通过其在主轴承内圈内产生的涡流为内圈加热膨胀;外圈磁感应缠绕线密度是内圈的(1.5~2)倍,保证了同时刻主轴承外圈的膨胀量一直大于内圈。安装好后,主轴承内、外圈同时加热,同时膨胀,加热效率高,且主轴承滚子不受任何风险。
为了实现上述目的,本发明采用如下技术方案:
一种兆瓦级风电机组主轴承内、外圈同时加热方法,包括以下步骤:
(1)确定主轴承内圈加热温度:通过测量主轴承的内外径,根据主轴承的材质、尺寸,计算出主轴承内圈加热的最终温度;
(2)计算测感应线长度:根据待加热主轴承内外圈直径、宽度大小及磁感应密度,考虑一定的余量系数后确定磁感应线的长度:
l=1.2×π×B×d/50;l=1.2×π×B×D1/30   (3)
其中,l、l为内、外圈加热所需磁感线最小长度,单位mm;
1.2为余量系数;
B为轴承宽度,一般轴承内外圈一样,单位mm;
d为轴承内径,D1为轴承外径,单位mm;
(3)缠绕磁感应线:主轴承内、外圈工装上均匀缠绕磁感应线;
(4)将内圈工装安放至主轴承内圈中;
(5)启动感应加热器对主轴承内、外圈同时加热,一次达到主轴承所需温度T1;
(6)加热完后开始装配。
所述步骤(1),具体包括以下步骤:
(1-1)测量、计算:测量主轴承的内、外径,确定主轴承与主轴实际配合公差△T=d-D;
其中,d为主轴承内径,D为主轴外径,单位均为mm;
(1-2)根据GB/T19568-2004《风力发电机组装配和安装规范》,计算主轴承与主轴安装所需最小间隙L:
L=(0.001~0.0015)×d   (1)
其中,d为主轴承内径,单位为mm;
(1-3)计算主轴承内圈需要的膨胀量:根据L及△T计算出主轴承内圈需要的膨胀量△L=L-△T;
(1-4)计算主轴承内圈膨胀量:确定待加热主轴承内圈直径、材料,及计算主轴承内圈加热膨胀量公式,加热膨胀公式如下:
△=a×d×(T-t)   (2)
其中,△为膨胀量,单位为mm;a为材料线膨胀系数,单位为10-6/℃;T为需要加热的目标温度,单位为℃;t为环境温度,即加热时环境的实测温度,单位为℃;
(1-5)计算主轴承内圈加热的最终温度:将主轴承内圈需要的膨胀量△L代入公式(2),可以计算出主轴承内圈需加热到的最终温度T1=△L÷(a*d)+t。
所述步骤(3)中,将磁感应线分别缠绕在主轴承外圈及内圈工装上,外圈磁感线间距25-35mm,内圈磁感线间距45-55mm;
所述步骤(5)中,T1需小于120℃。
本发明的工作原理为:采用磁感应缠绕方式,主轴承内、外圈同时加热,且主轴承滚子加热过程中始终不受外力挤压;分步计算,保证每次加热主轴承膨胀量均符合安装要求。
本发明的有益效果为:
1、采用磁感应缠绕方式,主轴承内、外圈同时加热,且主轴承滚子加热过程中始终不受外力挤压;
2、分步计算,保证每次加热主轴承膨胀量均符合安装要求;
具体实施方式:
下面结合实施例对本发明作进一步说明。
一种兆瓦级风电机组主轴承内、外圈同时加热方法,包括以下步骤:
(1)测量、计算:测量主轴承的内、外径,确定主轴承与主轴实际配合公差△T=d-D;
其中,d为主轴承内径,D为主轴外径,单位均为mm;
(2)根据GB/T19568-2004《风力发电机组装配和安装规范》,计算主轴承与主轴安装所需最小间隙L:
L=(0.001~0.0015)×d   (1)
其中,d为主轴承内径,单位为mm;
(3)计算主轴承内圈需要的膨胀量:根据L及△T计算出主轴承内圈需要的膨胀量△L=L-△T;
(4)计算主轴承内圈膨胀量:确定待加热主轴承内圈直径、材料,及计算主轴承内圈加热膨胀量公式,加热膨胀公式如下:
△=a×d×(T-t)   (2)
其中,△为膨胀量,单位为mm;a为材料线膨胀系数,单位为10-6/℃;T为需要加热的目标温度,单位为℃;t为环境温度,即加热时环境的实测温度,单位为℃;
(5)计算主轴承内圈加热的最终温度:将主轴承内圈需要的膨胀量△L代入公式(2),可以计算出主轴承内圈需加热到的最终温度T1=△L÷(a*d)+t;
(6)计算测感应线长度:根据待加热主轴承内外圈直径、宽度大小及磁感应密度,考虑一定的余量系数后确定磁感应线的长度:
l=1.2×π×B×d/50;l=1.2×π×B×D1/30   (3)
l、l为内、外圈加热所需磁感线最小长度,单位mm;
1.2为余量系数;
B为轴承宽度,一般轴承内外圈一样,单位mm;
d为轴承内径,D1为轴承外径,单位mm;
(7)缠绕磁感应线:将磁感应线分别缠绕在主轴承外圈及内圈工装上,外圈磁感线间距25-35mm,内圈磁感线间距45-55mm;
(8)将内圈工装安放至主轴承内圈中;
(9)启动感应加热器加热,一次达到主轴承所需温度T1;
(10)加热完后开始装配。
步骤(5)中,T1需小于120℃。
实例说明:某主轴安装轴承位置尺寸为D=Φ600+0.1mm;主轴承内径d=Φ600-0.1mm,主轴承外径D1=Φ780-0.2mm,主轴承宽度B=275mm,主轴承游隙数值△轴承=0.3,主轴承材料线膨胀系数a=11×10-6/℃;加热时实测环境温度t=20℃。
根据上述步骤,计算如下:
(1)测量、计算:主轴承与主轴实际配合公差△T=d-D=-0.2mm;
(2)计算主轴承与主轴安装所需最小间隙L=(0.001~0.0015)×d=0.6~0.9;此处取L=0.6mm;
(3)主轴承内圈需要的膨胀量△L=L-△T=0.6-(-0.2)=0.8mm;
(4)计算主轴承内圈需加热到的最终温度T1=△L÷(a*d)+t==0.8÷(11×10-6*600)+20=141℃,由于T1需小于120℃,此处取T1=118℃;
(5)计算测感应线长度:
l=1.2×π×B×d/50=1.2×π×275×600/50=12434mm;
l=1.2×π×B×D1/30=1.2×π×275×780/30=26941mm;
(6)缠绕磁感应线:将磁感应线分别缠绕在主轴承外圈及内圈工装上,外圈磁感线间距25-35mm,内圈磁感线间距45-55mm;
(7)将内圈工装安放至主轴承内圈中;
(8)启动感应加热器加热,一次达到主轴承所需温度T1=118℃;
(9)加热完后开始装配。
上述虽然对本发明的具体实施方式进行了描述,但并非对本发明保护范围的限制,所属领域技术人员应该明白,在本发明的技术方案的基础上,本领域技术人员不需要付出创造性劳动即可做出的各种修改或变形仍在本发明的保护范围以内。

Claims (4)

1.一种兆瓦级风电机组主轴承内、外圈同时加热方法,其特征是:包括以下步骤: 
(1)确定主轴承内圈加热温度:通过测量主轴承的内外径,根据主轴承的材质、尺寸,计算出主轴承内圈加热的最终温度; 
(2)计算测感应线长度:根据待加热主轴承内外圈直径、宽度大小及磁感应密度,考虑一定的余量系数后确定磁感应线的长度: 
l=1.2×π×B×d/50;l=1.2×π×B×D1/30   (3) 
其中,l、l为内、外圈加热所需磁感线最小长度,单位mm; 
1.2为余量系数; 
B为轴承宽度,一般轴承内外圈一样,单位mm; 
d为轴承内径,D1为轴承外径,单位mm; 
(3)缠绕磁感应线:主轴承内、外圈工装上均匀缠绕磁感应线; 
(4)将内圈工装安放至主轴承内圈中; 
(5)启动感应加热器对主轴承内、外圈同时加热,一次达到主轴承所需温度T1; 
(6)加热完后开始装配。 
2.如权利要求1所述的一种兆瓦级风电机组主轴承内、外圈同时加热方法,其特征是:所述步骤(1),具体包括以下步骤: 
(1-1)测量、计算:测量主轴承的内、外径,确定主轴承与主轴实际配合公差△T=d-D; 
其中,d为主轴承内径,D为主轴外径,单位均为mm; 
(1-2)根据GB/T19568-2004《风力发电机组装配和安装规范》,计算主轴承与主轴安装所需最小间隙L: 
L=(0.001~0.0015)×d   (1) 
其中,d为主轴承内径,单位为mm; 
(1-3)计算主轴承内圈需要的膨胀量:根据L及△T计算出主轴承内圈需要的膨胀量△L=L-△T; 
(1-4)计算主轴承内圈膨胀量:确定待加热主轴承内圈直径、材料,及计算主轴承内圈加热膨胀量公式,加热膨胀公式如下: 
△=a×d×(T-t)   (2) 
其中,△为膨胀量,单位为mm;a为材料线膨胀系数,单位为10-6/℃;T为需要加热的目标温度,单位为℃;t为环境温度,即加热时环境的实测温度,单位为℃; 
(1-5)计算主轴承内圈加热的最终温度:将主轴承内圈需要的膨胀量△L代入公式(2),可以计算出主轴承内圈需加热到的最终温度T1=△L÷(a*d)+t。 
3.如权利要求1所述的一种兆瓦级风电机组主轴承内、外圈同时加热方法,其特征是:所述步骤(3)中,将磁感应线分别缠绕在主轴承外圈及内圈工装上,外圈磁感线间距25-35mm,内圈磁感线间距45-55mm。
4.如权利要求1所述的一种兆瓦级风电机组主轴承内、外圈同时加热方法,其特征是:所述步骤(5)中,T1需小于120℃。 
CN201310526808.9A 2013-10-30 2013-10-30 一种兆瓦级风电机组主轴承内、外圈同时加热方法 Active CN103769796B (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310526808.9A CN103769796B (zh) 2013-10-30 2013-10-30 一种兆瓦级风电机组主轴承内、外圈同时加热方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310526808.9A CN103769796B (zh) 2013-10-30 2013-10-30 一种兆瓦级风电机组主轴承内、外圈同时加热方法

Publications (2)

Publication Number Publication Date
CN103769796A true CN103769796A (zh) 2014-05-07
CN103769796B CN103769796B (zh) 2016-06-08

Family

ID=50562808

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310526808.9A Active CN103769796B (zh) 2013-10-30 2013-10-30 一种兆瓦级风电机组主轴承内、外圈同时加热方法

Country Status (1)

Country Link
CN (1) CN103769796B (zh)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3064311A1 (en) * 2015-03-04 2016-09-07 United Technologies Corporation Bearing thermal relief fan drive gear system assembly method
CN106351967A (zh) * 2016-08-31 2017-01-25 洛阳轴研科技股份有限公司 一种角接触球轴承装配合套方法
CN107436038A (zh) * 2016-05-25 2017-12-05 新疆金风科技股份有限公司 一种用于环形件的加热控制方法及加热控制系统
CN110185709A (zh) * 2019-05-14 2019-08-30 杭州电子科技大学 一种控制轴承游隙的装配工艺
CN110561034A (zh) * 2019-10-11 2019-12-13 包头中车电机有限公司 一种轴承加热装置
CN113864348A (zh) * 2021-10-13 2021-12-31 贵州天马虹山轴承有限公司 一种带安装边的双列角接触球轴承拆套方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1062443A (zh) * 1990-12-10 1992-07-01 查理斯·芬尼 轴承一类物件的加热
JPH04294091A (ja) * 1991-03-22 1992-10-19 Mitsubishi Heavy Ind Ltd 誘導加熱装置
US5630958A (en) * 1995-01-27 1997-05-20 Stewart, Jr.; John B. Side entry coil induction heater with flux concentrator
WO2010037414A1 (en) * 2008-09-30 2010-04-08 Aktiebolaget Skf Bearing heater
CN201467499U (zh) * 2009-04-28 2010-05-12 管忠林 一种轴承加热器
CN101913053A (zh) * 2010-08-20 2010-12-15 常州宝隆冶金设备制造有限公司 一种快速简易拆卸轴承内圈的方法及装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1062443A (zh) * 1990-12-10 1992-07-01 查理斯·芬尼 轴承一类物件的加热
JPH04294091A (ja) * 1991-03-22 1992-10-19 Mitsubishi Heavy Ind Ltd 誘導加熱装置
US5630958A (en) * 1995-01-27 1997-05-20 Stewart, Jr.; John B. Side entry coil induction heater with flux concentrator
WO2010037414A1 (en) * 2008-09-30 2010-04-08 Aktiebolaget Skf Bearing heater
CN201467499U (zh) * 2009-04-28 2010-05-12 管忠林 一种轴承加热器
CN101913053A (zh) * 2010-08-20 2010-12-15 常州宝隆冶金设备制造有限公司 一种快速简易拆卸轴承内圈的方法及装置

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3064311A1 (en) * 2015-03-04 2016-09-07 United Technologies Corporation Bearing thermal relief fan drive gear system assembly method
EP3300834A1 (en) * 2015-03-04 2018-04-04 United Technologies Corporation Bearing thermal relief fan drive gear system assembly method
US9945424B2 (en) 2015-03-04 2018-04-17 United Technologies Corporation Bearing thermal relief fan drive gear system assembly method
US10495151B2 (en) 2015-03-04 2019-12-03 United Technologies Corporation Bearing thermal relief fan drive gear system assembly method
CN107436038A (zh) * 2016-05-25 2017-12-05 新疆金风科技股份有限公司 一种用于环形件的加热控制方法及加热控制系统
CN107436038B (zh) * 2016-05-25 2019-12-13 新疆金风科技股份有限公司 一种用于环形件的加热控制方法及加热控制系统
CN106351967A (zh) * 2016-08-31 2017-01-25 洛阳轴研科技股份有限公司 一种角接触球轴承装配合套方法
CN110185709A (zh) * 2019-05-14 2019-08-30 杭州电子科技大学 一种控制轴承游隙的装配工艺
CN110561034A (zh) * 2019-10-11 2019-12-13 包头中车电机有限公司 一种轴承加热装置
CN113864348A (zh) * 2021-10-13 2021-12-31 贵州天马虹山轴承有限公司 一种带安装边的双列角接触球轴承拆套方法
CN113864348B (zh) * 2021-10-13 2024-03-22 贵州天马虹山轴承有限公司 一种带安装边的双列角接触球轴承拆套方法

Also Published As

Publication number Publication date
CN103769796B (zh) 2016-06-08

Similar Documents

Publication Publication Date Title
CN103769796A (zh) 一种兆瓦级风电机组主轴承内、外圈同时加热方法
CN103441529A (zh) 一种变速风电机组模拟惯量响应控制方法
HRP20191635T1 (hr) Metoda za kontrolu brzine napajanja putem minimiziranja potreba za spremanjem energije u povremenim postrojenjima za proizvodnju energije
CN110167224B (zh) 一种稳流电磁加热装置及电磁加热辊
JP2017010697A (ja) 誘導加熱装置、及び発電システム
CN106903932A (zh) 一种瓦楞机用电磁加热辊及其应用和瓦楞机电磁加热方法
CN110417046A (zh) 面向小干扰稳定提升的风电虚拟惯量优化配置方法
CN103769797B (zh) 一种兆瓦级风电机组主轴承阶梯式加热方法
CN107134814B (zh) 一种双馈风机协同有功备用控制方法
CN102808743B (zh) 一种风电机组机舱温度控制方法及系统
CN104088760A (zh) 风塔法兰椭圆超差火攻校正方法
CN109900477B (zh) 基于热源细分的双绕组无轴承开关磁阻电机温度场模型
CN107508514B (zh) 一种大型风电机组单边磁拉力抑制方法及系统
CN107525823B (zh) 监控永磁风力发电机的磁极温度的试验系统
Yang et al. Batteryless wireless anemometer with BLE connectivity
US11268403B2 (en) Gas turbine engine induction system, corresponding induction heater and method for inductively heating a component
Guo et al. Thermal Design and Simulation of winding cooling for permanent magnet synchronous motor of electric vehicle
CN205091740U (zh) 三相感应电动机瞬态温升计算模型
CN204214841U (zh) 核电站发电机氢气供应系统湿度探头的校准装置
CN202602950U (zh) 一种风力发电机组轴承及轴承座加热装置
CN104459043B (zh) 核电站发电机氢气供应系统湿度探头的校准方法
CN1988740A (zh) 用于塑料加工防辐射干扰的感应加热节能系统
CN107528433B (zh) 监控永磁电机磁极温度的干燥控制方法、系统
CN203836476U (zh) 一种熔盐预热管道
Jiang et al. Temperature field calculation and experimental research on brushless doubly fed machine with hybrid rotor

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant