JPS6028755A - Liquid-sealed motor and manufacture thereof - Google Patents
Liquid-sealed motor and manufacture thereofInfo
- Publication number
- JPS6028755A JPS6028755A JP58139769A JP13976983A JPS6028755A JP S6028755 A JPS6028755 A JP S6028755A JP 58139769 A JP58139769 A JP 58139769A JP 13976983 A JP13976983 A JP 13976983A JP S6028755 A JPS6028755 A JP S6028755A
- Authority
- JP
- Japan
- Prior art keywords
- stator
- resin
- frame
- pair
- groove
- 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
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/12—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas
- H02K5/128—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas using air-gap sleeves or air-gap discs
- H02K5/1285—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas using air-gap sleeves or air-gap discs of the submersible type
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/22—Arrangements for cooling or ventilating by solid heat conducting material embedded in, or arranged in contact with, the stator or rotor, e.g. heat bridges
- H02K9/223—Heat bridges
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
- Manufacture Of Motors, Generators (AREA)
- Motor Or Generator Frames (AREA)
Abstract
Description
【発明の詳細な説明】
この発明は、回転子の周囲に潤滑油が封入された液封形
電動機の改良に関するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an improvement in a liquid ring type electric motor in which lubricating oil is sealed around the rotor.
従来一般に知られているこの種の装置を第１図で説明す
る。図において、（１）は筒状のフレーム、（２）はこ
のフレーム（１）の内周に固定された固定子、（３）は
この固定子（２）の内周に配置された筒状のキャン、（
４）及び（５）はこのキャン（３）と上記フレーム（１
）の両端に夫々水密に結合された上部鍔及び下部鍔、（
６）及び（７）はこの上部鍔（４）及び下部鍔（５）に
夫々水密に結合された上部ブラケット及び下部ブラケッ
ト、（８）及び（９）はこの上部ブラケット（６）及び
下部ブラケット（７）に夫々嵌合された上部軸受及び下
部軸受、α０及び０◇はこの」二部軸受（８）及び下部
軸受（９）に夫々の両端に跨がって上記上部ブラケット
（６）及び下部ブラケット（７）に夫々形成された上部
連通溝及び下部連通溝であり、下部連通溝０１ノは上記
下部ブラケット（７）を貫通して形成されている。（２
）は上記上部軸受（８）と下部軸受（９）に支承された
回転子、ａｎｔｉは上記上部ブラケット（６）に配置さ
れ上記回転子（２）の軸０４を封止する軸封装置、０り
は上記下部ブラケット（７）に一端が結合されると共に
両端が筒状に形成され、中央に壁部０Φが形成されたス
ラストケースで、上記壁部０→には両端側に貫通する連
通穴（Ｌ７１が形成されている。（至）は上記壁部０Ｑ
に支承され上記軸Ｑくのスラスト荷重を受圧するスラス
ト軸受、θ値は上記スラストケースＯＱの他端に水密に
嵌合されたダイヤフラムで、上記連通穴αη、連通溝α
υを介してキャン（３）内の潤滑曲回の圧力を調整して
いる。に）は上部ブラケット（６）に水密に結合され固
定子（２）に通電する給電ケーブルである。A conventionally known device of this kind will be explained with reference to FIG. In the figure, (1) is a cylindrical frame, (2) is a stator fixed to the inner periphery of this frame (1), and (3) is a cylindrical frame arranged on the inner periphery of this stator (2). Can, (
4) and (5) are this can (3) and the above frame (1)
) upper and lower tsuba watertightly connected to both ends of (
6) and (7) are an upper bracket and a lower bracket that are watertightly connected to the upper tsuba (4) and lower tsuba (5), respectively, and (8) and (9) are the upper bracket (6) and the lower bracket ( The upper and lower bearings α0 and 0◇ fitted into the upper bracket (6) and lower bearing (7), respectively, are connected to the two-part bearing (8) and the lower bearing (9) by straddling both ends of the two-part bearing (8) and the lower bearing (9). An upper communication groove and a lower communication groove are respectively formed in the bracket (7), and the lower communication groove 01 is formed to penetrate the lower bracket (7). (2
) is a rotor supported by the upper bearing (8) and lower bearing (9), anti is a shaft sealing device disposed on the upper bracket (6) and sealing the shaft 04 of the rotor (2), 0 This is a thrust case whose one end is connected to the lower bracket (7) and whose both ends are formed into a cylindrical shape, with a wall 0Φ formed in the center, and the wall 0→ has a communicating hole penetrating to both ends. (L71 is formed. (To) is the above wall portion 0Q
The thrust bearing is supported by a diaphragm that is watertightly fitted to the other end of the thrust case OQ, and the θ value is a diaphragm that is watertightly fitted to the other end of the thrust case OQ.
The pressure of the lubricating curve inside the can (3) is adjusted via υ. 2) is a power supply cable that is watertightly coupled to the upper bracket (6) and supplies electricity to the stator (2).
上記のように構成されたものにおいて、給電ケーブル（
１）より固定子（２）に通電され、回転子（至）が回転
し、軸α養に連結されたポンプ（図示せず以下同様）等
が駆動されることは周知のとおりである。In a device configured as above, the power supply cable (
As is well known, the stator (2) is energized by the stator (2), the rotor (to) rotates, and a pump (not shown, the same applies hereinafter) connected to the shaft α is driven.
ここで、運転にともない固定子（２）及び回転子（２）
の温度が上昇すると潤滑油（３）に体積膨張が発生する
ことになる。この体積膨張が発生すると、潤滑油（３）
は、軸０→が上部ブラケット（６）を貫通しているため
、軸封装置（至）が配置されているものの、洩出が発生
しようとする。ところが、スラストケースｏＱにダイヤ
フラム０呻が水密に結合されているため、潤滑油（ト）
の体積膨張は連通溝αη、連通穴αカを介し、ダイヤフ
ラム０＊の変位によって吸収され、潤滑油（イ）の圧力
上昇、即ち回転子（イ）の周囲の圧力上昇が抑制される
ことになる。Here, as the operation progresses, the stator (2) and rotor (2)
When the temperature of the lubricating oil (3) increases, volumetric expansion will occur in the lubricating oil (3). When this volumetric expansion occurs, the lubricating oil (3)
Since the shaft 0→ passes through the upper bracket (6), leakage is likely to occur even though the shaft sealing device (to) is installed. However, since the diaphragm OQ is watertightly connected to the thrust case OQ, lubricating oil (T)
The volumetric expansion of is absorbed by the displacement of the diaphragm 0* through the communication groove αη and the communication hole α, and the pressure increase in the lubricating oil (A), that is, the pressure increase around the rotor (A), is suppressed. Become.
ところで、この装置を高温度の雰囲気中で使用した場合
には、潤滑曲回の体積膨張が極めて大となり、軸封装置
（至）から潤滑油（ト）が洩出したり、固定子（２）の
コイルが焼損する等の欠点を有していた。By the way, when this device is used in a high-temperature atmosphere, the volumetric expansion of the lubricating curve becomes extremely large, causing lubricating oil (t) to leak from the shaft sealing device (to) and damage to the stator (2). This had drawbacks such as the coil burning out.
この発明は以上の欠点を解消するためになされたもので
、固定子に形成され、固定子の外周を軸方向に連通ずる
溝、上記固定子の一端面において上記溝を封止するシー
ルリングを備え、上記溝に樹脂を充填し硬化させること
により、固定子の熱を素早くフレームに伝達でき、固定
子の温度上昇を抑制できる液封形電動機及びその製造方
法を提供することを目的としている。This invention was made to solve the above-mentioned drawbacks, and includes a groove formed in the stator and communicating with the outer periphery of the stator in the axial direction, and a seal ring that seals the groove on one end surface of the stator. It is an object of the present invention to provide a liquid-sealed electric motor and a method for manufacturing the same, in which heat from the stator can be quickly transferred to the frame and temperature rise in the stator can be suppressed by filling the grooves with resin and curing the resin.
以下この発明の一実施例を第２図ないし第５図で説明す
る。図において、（財）は固定子（２）の外周に形成さ
れ上端から下端に連通した溝、幹はフレーム（１）内に
嵌合され上記固定子（２）の下端面で上記溝？■を封止
するシーリングで、内部には金属環に）がモールドされ
ている。（ハ）は上記溝Ｑ］）内に充填された熱硬化性
で且つ高熱伝導率の樹脂、＠（ホ）は夫々下部鍔（４）
及び下部鍔（６）に形成された貫通穴である。An embodiment of the present invention will be described below with reference to FIGS. 2 to 5. In the figure, (goods) is a groove formed on the outer periphery of the stator (2) and communicating from the upper end to the lower end, and the trunk is fitted into the frame (1) and is connected to the groove on the lower end surface of the stator (2). ■It is a sealing that seals, and a metal ring) is molded inside. (c) is a thermosetting resin with high thermal conductivity filled in the groove Q]), and (e) is the lower flange (4) respectively.
and a through hole formed in the lower flange (6).
上記のように構成されたものにおいては、固定子（２）
の熱は固定子（２）の外周と樹脂（ハ）を介してフレー
ム（１）に伝達される。つまり、固定子（２）は樹脂（
ハ）を含めてフレーム（１）の内周に全周が面接触する
ことになる。なお、樹脂（ハ）は溝ａ］）にのみ充填さ
れているので、樹脂３４１の熱膨張の影響は無視できる
。In the structure configured as above, the stator (2)
The heat is transferred to the frame (1) via the outer periphery of the stator (2) and the resin (c). In other words, the stator (2) is made of resin (
The entire periphery, including c), comes into surface contact with the inner periphery of the frame (1). Note that since the resin (c) is filled only in the groove a), the influence of thermal expansion of the resin 341 can be ignored.
次に樹脂Ｑ４の充填作業について説明する。まず、第４
図の如く、キャン（３）内を上部鍔（４）の貫通穴（ハ
）を介して真空装置（図示せず）ｌこて真空引きする。Next, the filling operation of the resin Q4 will be explained. First, the fourth
As shown in the figure, the inside of the can (3) is evacuated with a vacuum device (not shown) through the through hole (c) of the upper collar (4).
次に、下部鍔（５）の貫通穴（ハ）を介して樹脂を上方
に注入する。このため、樹脂（ハ）が溝Ｑｐ内に充填さ
れる。その後、余分の樹脂は下方の貫通穴（１）より排
出する。この後、樹脂（ハ）を加熱硬化させる。この作
業では、溝Ｑ］）のみに樹脂（ハ）を容易に充填できる
。Next, resin is injected upward through the through hole (C) of the lower collar (5). Therefore, the resin (c) is filled into the groove Qp. After that, excess resin is discharged from the lower through hole (1). After this, the resin (c) is heated and cured. In this operation, only the groove Q]) can be easily filled with the resin (c).
以上のようにこの発明は、固定子に形成され、固定子の
外周を軸方向に連通する溝、固定子の一端面において溝
を封止するシールリングを備え、上記溝に樹脂を充填し
硬化させたので、固定子の外周とフレームとの接触面積
を増大でき、冷却効果の向上を計ることができる効果が
ある。As described above, the present invention includes a groove that is formed in a stator and communicates with the outer periphery of the stator in the axial direction, and a seal ring that seals the groove on one end surface of the stator, and the groove is filled with resin and hardened. As a result, the contact area between the outer periphery of the stator and the frame can be increased, and the cooling effect can be improved.
また、固定子の一端面において溝をシールリングで封止
した後、固定子の一端面を下方にし、端板のうち上方の
端板の貫通穴よりキャン内を真空引きし、その後下方の
端板の貫通穴より樹脂を注入して溝にこの樹脂を充填し
、その後、下方の端板の貫通穴より余分の樹脂を排出す
るようにした場合には、溝り】）のみに容易に充填でき
る効果がある。In addition, after sealing the groove on one end surface of the stator with a seal ring, one end surface of the stator is turned downward, the inside of the can is evacuated through the through hole in the upper end plate, and then the lower end If resin is injected into the groove through the through-hole in the plate, and then the excess resin is discharged through the through-hole in the lower end plate, it is easy to fill only the groove. There is an effect that can be done.
第１図は従来装置の断面図、第２図はこの発明の一実施
例を示す断面図、第８図は第２図の要部断面図、第４図
第５図はこの発明の製造方法の一実施例を示す要部断面
図である。図において、（１）はフレーム、（２）は固
定子、（３）はキャン、（４）は上部鍔、（５）は上部
鍔、（６）は上部ブラケット、（７）は下部ブラケット
、（２）は回転子、（ハ）は溝、（ハ）は樹脂、（２）
（ホ）は貫通穴である。
なお各図中同一符号は同−又は担当部分を示す。
代理人 大岩増雄
第１図
第２図
第３図
第４図 第す図Fig. 1 is a sectional view of a conventional device, Fig. 2 is a sectional view showing an embodiment of the present invention, Fig. 8 is a sectional view of a main part of Fig. 2, and Fig. 4 and Fig. 5 are a manufacturing method of the present invention. FIG. 2 is a cross-sectional view of a main part showing one embodiment of the present invention. In the figure, (1) is the frame, (2) is the stator, (3) is the can, (4) is the upper tsuba, (5) is the upper tsuba, (6) is the upper bracket, (7) is the lower bracket, (2) is rotor, (c) is groove, (c) is resin, (2)
(E) is a through hole. Note that the same reference numerals in each figure indicate the same or corresponding parts. Agent Masuo Oiwa Figure 1 Figure 2 Figure 3 Figure 4 Figure S
Claims (2)
れた固定子、この固定子の内周に配置されたキャン、こ
のキャンと上記フレームの両端に夫々水密に結合され上
記固定子を密封する一対の端板、この一対の端板に夫々
結合された一対のブラケット、及びこの一対のブラケッ
トに支承され上記キャン内に配置された回転子を備え、
上記回転子の周囲に潤滑油を封入しだ液封形電動機にお
いて、上記固定子に形成され、上記固定子の外周を軸方
向に連通ずる溝、上記固定子の一端面において上記溝を
封止するシールリングを備え、上記溝に樹脂を充填し硬
化させたことを特徴とする液封形電動機。(1) An fN-shaped frame, a stator fixed within this frame, a can disposed on the inner periphery of this stator, and a pair of cans and each end of the frame that are watertightly connected to each end to seal the stator. end plates, a pair of brackets respectively coupled to the pair of end plates, and a rotor supported by the pair of brackets and disposed within the can,
Lubricating oil is sealed around the rotor. In a liquid-sealed electric motor, a groove is formed in the stator and communicates with the outer periphery of the stator in the axial direction, and the groove is sealed on one end surface of the stator. A liquid-sealed electric motor characterized in that the groove is filled with a resin and hardened.
には軸方向に連通ずる溝を有した固定子、この固定子の
内周に配置されたキャン、このキャンと上記フレームの
両端に夫々水密に結合され夫々に樹脂注入用貫通穴を有
し上記固定子を密封する一対の端板、この一対の端板に
夫々結合された一対のブラケット、及びこの一対のブラ
ケットに支承され上記キャン内に配置された回転子を備
え、上記回転子の周囲に潤滑油を封入しだ液封形電動機
において、上記固定子の一端面において上記溝をシール
リングで封止した後、上記固定子の一端面を下方にし、
上記端板のうち上方の端板の貫通穴より上記キャン内を
真空引きし、その後下方の上記端板の貫通穴より樹脂を
注入して上記溝にこの樹脂を充填し、その後、上記下方
の端板の貫通穴より余分の樹脂を排出するようにしたこ
とを特徴とする液封形電動機の製造方法。(2) A cylindrical frame, a stator fixed in the frame and having grooves communicating in the axial direction on the outer periphery, a can arranged on the inner periphery of the stator, and a can and a stator at both ends of the can and the frame, respectively. A pair of end plates that are watertightly connected and each having a through hole for resin injection to seal the stator, a pair of brackets that are respectively connected to the pair of end plates, and a pair of brackets that are supported by the pair of brackets and that are inside the can. In a liquid-sealed electric motor, the motor is equipped with a rotor disposed at a rotor, and a lubricating oil is sealed around the rotor.After the groove is sealed with a seal ring on one end surface of the stator, With the end face down,
The interior of the can is evacuated through the through hole in the upper end plate, and then resin is injected through the through hole in the lower end plate to fill the groove with the resin. A method for manufacturing a liquid-sealed electric motor, characterized in that excess resin is discharged from a through hole in an end plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58139769A JPH0636661B2 (en) | 1983-07-28 | 1983-07-28 | Liquid-sealed electric motor and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58139769A JPH0636661B2 (en) | 1983-07-28 | 1983-07-28 | Liquid-sealed electric motor and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6028755A true JPS6028755A (en) | 1985-02-13 |
| JPH0636661B2 JPH0636661B2 (en) | 1994-05-11 |
Family
ID=15252968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58139769A Expired - Lifetime JPH0636661B2 (en) | 1983-07-28 | 1983-07-28 | Liquid-sealed electric motor and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0636661B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01129728A (en) * | 1987-11-12 | 1989-05-23 | Mitsubishi Electric Corp | Submersible motor and manufacture thereof |
| CN104009570A (en) * | 2013-02-26 | 2014-08-27 | 通用汽车环球科技运作有限责任公司 | Motor housing assembly and method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4836306U (en) * | 1971-09-03 | 1973-05-01 | ||
| JPS4838739U (en) * | 1971-09-09 | 1973-05-14 |
-
1983
- 1983-07-28 JP JP58139769A patent/JPH0636661B2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4836306U (en) * | 1971-09-03 | 1973-05-01 | ||
| JPS4838739U (en) * | 1971-09-09 | 1973-05-14 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01129728A (en) * | 1987-11-12 | 1989-05-23 | Mitsubishi Electric Corp | Submersible motor and manufacture thereof |
| CN104009570A (en) * | 2013-02-26 | 2014-08-27 | 通用汽车环球科技运作有限责任公司 | Motor housing assembly and method |
| US9356493B2 (en) | 2013-02-26 | 2016-05-31 | GM Global Technology Operations LLC | Method of making a motor housing assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0636661B2 (en) | 1994-05-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20200295628A1 (en) | Electric Machine Having A Cooling Device | |
| US3229130A (en) | Motors having an air-gap jacket in particular for central heating accelerators and other like applications | |
| US2967960A (en) | Submersible motors and method of fabricating the same | |
| GB1015418A (en) | Improvements in or relating to electric motors | |
| IT1211849B (en) | SUBMERSIBLE PUMP WITH EXPANDED ENCLOSURE AND METHOD TO BUILD IT | |
| CN114825691B (en) | Integrated encapsulation driving motor stator, encapsulation forming device and encapsulation method thereof | |
| JPH08111966A (en) | Cooling device for liquid-cooled type rotary machine | |
| US3269322A (en) | Submersible motor and pump | |
| JPS6028755A (en) | Liquid-sealed motor and manufacture thereof | |
| US3165655A (en) | Dynamoelectric machines | |
| US2938131A (en) | Liquid filled submersible motor | |
| KR101519205B1 (en) | Canned-motor pump for vehicle | |
| NO122262B (en) | ||
| US1954824A (en) | Vacuum surrounded motor | |
| CN207131599U (en) | Water pump and the vehicle with the water pump | |
| JPH0837752A (en) | Motor | |
| ITVI950132A1 (en) | ENCAPSULATED MOTOR | |
| JPS6243179Y2 (en) | ||
| CN218207186U (en) | Shaft sealing structure for submersible pump | |
| JPS6028754A (en) | Manufacture of liquid-sealed motor | |
| JPS5851756A (en) | Underwater motor | |
| KR102489978B1 (en) | Biscuit Sand Manufacturing Equipment | |
| JPH0475442A (en) | Stator chamber for canned motor | |
| CN208062963U (en) | A kind of direct current generator | |
| US10305352B2 (en) | Liquid filled electric motor |