JPH04114742U - Vehicle induction motor - Google Patents
Vehicle induction motorInfo
- Publication number
- JPH04114742U JPH04114742U JP2665691U JP2665691U JPH04114742U JP H04114742 U JPH04114742 U JP H04114742U JP 2665691 U JP2665691 U JP 2665691U JP 2665691 U JP2665691 U JP 2665691U JP H04114742 U JPH04114742 U JP H04114742U
- Authority
- JP
- Japan
- Prior art keywords
- aluminum alloy
- steel boss
- drive side
- shrink
- bracket
- 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
Links
- 230000006698 induction Effects 0.000 title claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 25
- 239000010959 steel Substances 0.000 claims abstract description 25
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 20
- 241000226585 Antennaria plantaginifolia Species 0.000 claims abstract description 3
- 239000004020 conductor Substances 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 12
- 229910052742 iron Inorganic materials 0.000 description 6
- 229910001018 Cast iron Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 1
Landscapes
- Motor Or Generator Frames (AREA)
Abstract
(57)【要約】
【目的】 可変電圧、可変周波数で駆動される車両用誘
導電動機において、高信頼性、高耐久性を維持して、軽
量化を図る。
【構成】 軸受箱に接する面に配設される鋼製ボス10
と、該鋼製ボス10に焼きばめしたアルミ合金製ブラケツ
ト4’を設け、鋼製ボス10は糸巻形状で一方の鍔の外径
寸法がアルミ合金製ブラケツト4’の焼きばめ時の熱膨
張寸法より小さく構成する。
(57) [Summary] [Purpose] To maintain high reliability and high durability and reduce weight in a vehicle induction motor driven by variable voltage and variable frequency. [Configuration] Steel boss 10 installed on the surface in contact with the bearing box
An aluminum alloy bracket 4' that is shrink-fitted to the steel boss 10 is provided, and the steel boss 10 has a pincushion shape and the outer diameter of one of its flange is set to match the heat generated when the aluminum alloy bracket 4' is shrink-fitted. Construct smaller than the expanded size.
Description
【0001】0001
本考案は可変電圧、可変周波数インバータで駆動される車両用誘導電導機に関 するものである。 This invention relates to a vehicle induction motor driven by a variable voltage, variable frequency inverter. It is something to do.
【0002】0002
近年、インバータで駆動される車両用誘導電動機は慣用されており、これを図 5に示す。図5は車両用誘導電動機の上半部断面図で、1は固定子、2は回転子 、3は回転子軸、4は鉄製駆動側ブラケツト、5はころ軸受箱、6はころ軸受、 7は鉄製反駆動側ブラケツト、8は玉軸受箱、9は玉軸受である。 固定子1、回転子2、回転子3は電動機の通例の構成部であり、特に説明は省 略する、しかるに、鉄製駆動側ブラケツト4、ころ軸受箱5、ころ軸受6、鉄製 反駆動側ブラケツト7、玉軸受箱8、玉軸受9は、本考案による軸受支持部の構 成部である。 In recent years, induction motors for vehicles driven by inverters have been commonly used, and this is illustrated in Fig. 5. Figure 5 is a sectional view of the upper half of a vehicle induction motor, where 1 is a stator and 2 is a rotor. , 3 is the rotor shaft, 4 is the iron drive side bracket, 5 is the roller bearing box, 6 is the roller bearing, 7 is an iron non-drive side bracket, 8 is a ball bearing box, and 9 is a ball bearing. The stator 1, rotor 2, and rotor 3 are common components of an electric motor, and their explanation will be omitted. However, the iron drive side bracket 4, roller bearing box 5, roller bearing 6, iron The non-drive side bracket 7, the ball bearing box 8, and the ball bearing 9 have the structure of the bearing support part according to the present invention. This is Naribe.
【0003】 従来、車両用誘導電動機は軸受支持部の高信頼性、高耐久性を実現するめに、 鋼または鋳鉄の鉄製駆動側ブラケツト4および鉄製反駆動側ブラケツト7を設け て軸受を支持する構成であった。0003 Conventionally, in order to achieve high reliability and high durability of the bearing support part of induction motors for vehicles, An iron drive side bracket 4 and an iron non-drive side bracket 7 made of steel or cast iron are provided. It was designed to support the bearings.
【0004】0004
前述のごとく、従来の車両用誘導電動機のブラケツトは鋼や鋳鉄により構成さ れている。したがって、電動機全体の質量が大きくなり、よって軌道に大きな負 担を与え車両の高速化の支障になっていた。 As mentioned above, the brackets of conventional induction motors for vehicles are made of steel or cast iron. It is. Therefore, the mass of the entire motor becomes large, which causes a large negative impact on the orbit. This caused a burden on vehicles, which hindered the speeding up of vehicles.
【0005】[0005]
本考案は車両用誘導電動機の軽量化を目的としてなされたもので、軸受を支持 するブラケツトをアルミ合金製とし、軸受箱に接する面に配設される鋼製ボスに 焼きばめするもので、かつ前記鋼製ボスは糸巻形状とし、一方の鍔部の外径寸法 が前記アルミ合金製ブラケツトの焼きばめ時の熱膨張寸法を越えない寸法に構成 するものである。 This invention was developed with the aim of reducing the weight of induction motors for vehicles, and supports the bearings. The bracket is made of aluminum alloy, and the steel boss located on the surface in contact with the bearing box is Shrink fit, and the steel boss has a pincushion shape, and the outer diameter of one flange is is designed to have dimensions that do not exceed the thermal expansion dimensions of the aluminum alloy bracket during shrink fitting. It is something to do.
【0006】[0006]
本考案による、ブラケツトはアルミ合金製であるため、電動機の軽量化が可能 となる、また鋼製ボスの両端の鍔部はスラスト荷重耐量を大幅に向上させる。 さらに、前述の前記鋼製ボスの鍔部の外径寸法の限定の構成はアルミ合金製ブ ラケツトの焼ばめ作業の円滑化を実現する。 With this invention, the bracket is made of aluminum alloy, making it possible to reduce the weight of the electric motor. In addition, the flanges at both ends of the steel boss greatly improve thrust load capacity. Furthermore, the structure of limiting the outer diameter dimension of the flange of the steel boss described above is similar to that of the aluminum alloy boss. Realizes smooth racket shrink fitting work.
【0007】[0007]
前述の従来の技術で説明した車両用誘導電動機の上半部断面図の図5に類して 本考案を説明すれば、図1は本考案の駆動側ブラケツトの外形図を示し、図2( A)は図1のア−ア断面図を示したものであり、図2(B)は図2(A)のウ部 拡大図である。また、図3は本考案の反駆動側ブラケツトの外形図を示し、図4 (A)は図3のイ−イ断面図を示したものであり、図4(B)は図4(A)のエ 部拡大図である。4’はアルミ合金製駆動側ブラケツト、7’はアルミ合金製反 駆動側ブラケツト、10は駆動側鋼製ボス、11は反駆動側鋼製ボスである。 Similar to FIG. 5, which is a cross-sectional view of the upper half of the vehicle induction motor described in the prior art section, To explain the present invention, FIG. 1 shows an external view of the drive side bracket of the present invention, and FIG. 2 ( A) shows a sectional view taken along the line A--A in FIG. 1, and FIG. 2(B) shows a section C in FIG. This is an enlarged view. Moreover, FIG. 3 shows an external view of the non-drive side bracket of the present invention, and FIG. (A) shows a cross-sectional view taken along line A--E in FIG. 3, and FIG. 4(B) shows a cross-sectional view taken along It is an enlarged view of the part. 4' is an aluminum alloy drive side bracket, 7' is an aluminum alloy drive side bracket. In the drive side bracket, 10 is a steel boss on the drive side, and 11 is a steel boss on the non-drive side.
【0008】 しかして、電動機の軸受は本考案のアルミ合金製駆動側ブラケツト4’とアル ミ合金製反駆動側ブラケツト7’によって支持し、また、これらブラケツトは、 軸受箱に接する面に配設される駆動側鋼製ボス10と反駆動側鋼製ボス11にそれぞ れを焼きばめするものである。なお、これらの鋼製ボスは糸巻形状とし−方の鍔 部の外径寸法を前述のアルミ合金製ブラケツトの焼ばめ時の熱膨張寸法を越えな い寸法に構成するものである。[0008] Therefore, the bearing of the electric motor is connected to the aluminum alloy drive side bracket 4' of the present invention. It is supported by a non-drive side bracket 7' made of aluminum alloy, and these brackets are A steel boss 10 on the drive side and a steel boss 11 on the non-drive side, respectively, are installed on the surface that contacts the bearing box. This is a shrink fit. Note that these steel bosses have a pincushion-shaped tsuba. The outer diameter of the bracket must not exceed the thermal expansion dimension when shrink fitting the aluminum alloy bracket mentioned above. It is designed to have a large size.
【0009】 以上の構成において、鋼製ボスにアルミ合金製ブラケツトを焼きばめすること により、アルミ合金製ブラケツトと鋼製ボスとのはめあい部に残留応力が互いに 作用し誘導電動機が温度上昇しても、アルミ合金製ブラケツトと鋼製ボスのはめ あい部には隙間は発生せず、いかなる使用状態においても堅牢で、信頼性の高い ブラケツトが提供できる。[0009] In the above configuration, the aluminum alloy bracket is shrink-fitted to the steel boss. As a result, residual stress is generated at the fitting part between the aluminum alloy bracket and the steel boss. Even if the temperature of the induction motor increases, the fit between the aluminum alloy bracket and the steel boss will There are no gaps in the openings, making it sturdy and reliable under any usage conditions. Brackets can be provided.
【0010】0010
本考案により、鋼製ボスにアルミ合金製ブラケツトを焼きばめした構成部分は アルミ合金製ブラケツトを有しており、電動機の質量の5%から10%を軽量に し、車両の高速化に寄与する。また、鋼製ボスの両端の鍔部は、はめあい部のス ラスト荷重耐量を大幅に向上し、信頼性の高いブラケツトを提供する。 さらに、軸受箱との接合部に鋼製ボスを設けることにより、電動機の補修のた めの分解組立時に発生が予想される、接合面のかじり、および、めくれ等が防止 でき、また、前記接合部の振動や衝撃に対する耐久性も従来と同等に維持するこ とができる。 With this invention, the component part where the aluminum alloy bracket is shrink-fitted to the steel boss is It has an aluminum alloy bracket, which reduces the weight of the motor by 5% to 10%. This contributes to faster vehicle speeds. In addition, the flanges at both ends of the steel boss are Provides a highly reliable bracket with significantly improved last load capacity. Furthermore, by providing a steel boss at the joint with the bearing box, the motor can be easily repaired. Prevents galling and peeling of joint surfaces that may occur during disassembly and assembly. In addition, the durability of the joint against vibration and shock can be maintained at the same level as before. I can do that.
【0011】[0011]
【図1】本考案の実施例を示す駆動側ブラケツトの外形
図である。FIG. 1 is an external view of a drive side bracket showing an embodiment of the present invention.
【図2】図1のア−ア断面図とその部分拡大図である。FIG. 2 is a sectional view taken along the line A--A in FIG. 1 and a partially enlarged view thereof.
【図3】本考案の実施例を示す反駆動側ブラケツトの外
形図である。FIG. 3 is an external view of a non-drive side bracket showing an embodiment of the present invention.
【図4】図3のイ−イ断面図とその部分拡大図である。FIG. 4 is a sectional view taken along the line E--E in FIG. 3 and a partially enlarged view thereof.
【図5】従来の車両用誘導電動機の上半部断面図であ
る。FIG. 5 is a sectional view of the upper half of a conventional induction motor for a vehicle.
【0012】0012
1 固定子 2 回転子 3 回転子軸 4’ アルミ合金製駆動側ブラケツト 5 ころ軸受箱 7’ アルミ合金製反駆動側ブラケツト 8 玉軸受箱 10 駆動側鋼製ボス 11 反駆動側鋼製ボス 1 Stator 2 rotor 3 Rotor shaft 4’ Aluminum alloy drive side bracket 5 Roller bearing box 7’ Aluminum alloy non-drive side bracket 8 Ball bearing box 10 Drive side steel boss 11 Non-drive side steel boss
Claims (1)
される車両用誘導電動機において、軸受箱に接する面に
配設する鋼製ボスと、該鋼製ボスに焼きばめしたアルミ
合金製ブラケツトを設け、前記鋼製ボスは糸巻形状で一
方の鍔部の外径寸法が前記アルミ合金製ブラケツトの焼
きばめ時の熱膨張寸法を越えない寸法に構成することを
特徴とした車両用誘導電導機。Claim 1: A vehicle induction motor driven by a variable voltage, variable frequency inverter, comprising a steel boss disposed on a surface in contact with a bearing box, and an aluminum alloy bracket shrink-fitted to the steel boss. The induction conductor for a vehicle is characterized in that the steel boss has a pincushion shape and the outer diameter of one of the flanges does not exceed the thermal expansion dimension when the aluminum alloy bracket is shrink-fitted.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2665691U JPH079573Y2 (en) | 1991-03-26 | 1991-03-26 | Induction motor for vehicle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2665691U JPH079573Y2 (en) | 1991-03-26 | 1991-03-26 | Induction motor for vehicle |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH04114742U true JPH04114742U (en) | 1992-10-09 |
JPH079573Y2 JPH079573Y2 (en) | 1995-03-06 |
Family
ID=31911090
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2665691U Expired - Lifetime JPH079573Y2 (en) | 1991-03-26 | 1991-03-26 | Induction motor for vehicle |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH079573Y2 (en) |
-
1991
- 1991-03-26 JP JP2665691U patent/JPH079573Y2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH079573Y2 (en) | 1995-03-06 |
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