CN105591491A - Outer fan type rotating motor - Google Patents

Outer fan type rotating motor Download PDF

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Publication number
CN105591491A
CN105591491A CN201510749990.3A CN201510749990A CN105591491A CN 105591491 A CN105591491 A CN 105591491A CN 201510749990 A CN201510749990 A CN 201510749990A CN 105591491 A CN105591491 A CN 105591491A
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CN
China
Prior art keywords
cover
bearing
lubricating grease
exterior wing
body shell
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Granted
Application number
CN201510749990.3A
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Chinese (zh)
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CN105591491B (en
Inventor
山野启太
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Toshiba Mitsubishi Electric Industrial Systems Corp
Original Assignee
Toshiba Mitsubishi Electric Industrial Systems Corp
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Publication of CN105591491A publication Critical patent/CN105591491A/en
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Publication of CN105591491B publication Critical patent/CN105591491B/en
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Abstract

In an outer fan type rotating motor, a mounting lubricant receiving member is safely taken out without lubricant scattering. The outer fan type rotating motor is provided with a rotor shaft, a rotor, a first bearing, a second bearing, a stator, a body housing (49), an outer fan, an outer fan cover (46) and a lubricant receiving component (51). The lubricant receiving component (51) is provided with a lubricant receiving part (51a) which is inserted into the body housing (49) through a housing opening (49a) and receives the lubricant that falls from the first bearing for storage, and a lubricant receiving and mounting part (51b) which is detachable to the body housing (49). The outer fan cover (46) is provided with a cover recess part (53) so that the outer fan cover (46) partially clings on the body housing (49). A cover opening (54) which can realize through of the lubricant receiving part (51a) is formed in a range of the cover recess part (53), wherein the area of the cover recess part comprises the housing opening (49a).

Description

External fan type rotating electrical machine
Technical field
The present invention relates to the external fan type rotating electrical machine that there is horizontal rotating shaft, comprises lubricating grease receiving element.
Background technology
There is a kind of external fan type rotating electrical machine, by be installed on the fan of armature spindle in the outside of frameworkThe electric rotating machine (patent documentation 1) that drives the mode of tempering air due to exterior wing and armature spindle directLink and be driven in rotation the position relationship of this situation and exterior wing and extraneous air inlet port, common,Exterior wing is configured near the axial outside of bearing.
Be provided for the lubricating grease of bearing lubrication to bearing (particularly rolling bearing). Offer bearingAnd the lubricating grease of lubricating bearings, by after bearing, drops to and is arranged at bearing below and is formed as vesselOn the lubricating grease receiving element of shape and store. One end of lubricating grease receiving element connects body shellThe support of bearing or framework and be inserted into inside. The other end is by being arranged at the breakthrough part of body shellInstallation portion is mounted to and can dismantles. Like this, lubricating grease receiving element is at joint portion coverlet side bearing.
Prior art document
Patent documentation
Patent documentation 1: Japanese Utility Model is opened clear 62-11361 communique in fact
Patent documentation 2: Japanese Utility Model is opened clear 59-34458 communique in fact
Summary of the invention
The technical problem to be solved in the present invention
The lubricating grease receiving element of the lubricating grease that storage is dropped needs regularly take out and the lubricating grease of storage is goneExcept being put back into afterwards the below of bearing. In order to remove the lubricating grease of storing in lubricating grease receiving element, withoutThe motor that stops the rotation also carries out under the operating condition of electric rotating machine.
For the hand, the equipment etc. that prevent driver etc. are rolled in fan, have in the arranged outside of exterior wingExterior wing cover. Exterior wing cover is also arranged at framework and faces the outside of the support of bearing of air inlet side, for example,Between the support of bearing and framework, form the stream of tempering air. At the hood-shaped one-tenth of exterior wing, lubricating grease is connectPassing through when addressee turnover, is being provided with the cap (patent documentation 2) that can dismantle at hole by hole.
Fig. 7 represents that the lubricating grease of external fan type rotating electrical machine receives the facade of installation portion conventional example aroundCutaway view. Herein, in the situation that taking out lubricating grease receiving member 51, first, outside dismounting is arranged atThe exterior wing cover vent cover 46a of fan cover 46, and dismounting is arranged on the profit to body shell 49 in exterior wing cover 46Consistent lubricant receives installation portion 51b, afterwards, lubricating grease receiving member 51 is fetched into outside exterior wing cover 46.
For by lubricating grease receiving member 51 from the interior dismounting of body shell 49 and be fetched into exterior wing cover 46,During the interior movement of exterior wing cover 46, around lubricating grease acceptance division 51a, because exterior wing is from outsideThe air-flow of the air that air inlet port sucks produces whirlpool, causes the lubricating grease in lubricating grease acceptance division 51aDisperse outside lubricating grease acceptance division 51a.
In addition, lubricating grease receiving member 51 exists from dismounting or the lubricating grease acceptance division 51a of body shell 49Movement in exterior wing cover 46 need to be carried out near the fan of rotation, exists operating personnel's hand, dressThe standby danger that is involved in fan.
In order to prevent this situation, in exterior wing cover 46, be provided for the separator of isolating with exterior wingSituation under, exist the axial length of electric rotating machine process number elongated or that make to increase, and safeguardThe problem that operation when inspection complicates.
Therefore, the object of the invention is to, in external fan type rotating electrical machine, can take out safely, pacifyDress lubricating grease receiving element, and lubricating grease can not disperse.
For the technical scheme of technical solution problem
In order to achieve the above object, external fan type rotating electrical machine of the present invention is characterised in that, comprising: turnSon, this rotor has mode rotating around horizontal rotating shaft by the armature spindle of pivot suspension and is fixed onThe rotor core of this armature spindle; The 1st bearing and the 2nd bearing, the 1st bearing and the 2nd bearing configure respectivelyIn the position that clips the axial described rotor core of described rotor, described armature spindle is supported;Stator, this stator arrangement is at the radial outside of described rotor core; Body shell, this body shell toolHave surround described rotor core and the radial outside of described stator and the tubular of both ends open framework andBe fixedly attached to the axial two ends of described framework and respectively described the 1st bearing and the 2nd bearing supportedThe 1st support of bearing and the 2nd support of bearing, this body shell is formed with shell nozzle portion; Exterior wing, shouldExterior wing is installed on the axial outside of described the 1st bearing of described armature spindle, and tempering air is sent to instituteState the outside of the 1st support of bearing and described framework; Exterior wing cover, this exterior wing cover is arranged to cover described exterior wingOutside; And lubricating grease receiving member, this lubricating grease receiving member has lubricating grease acceptance division and lubricatedFat receives installation portion, and this lubricating grease acceptance division is inserted into described body shell by described shell nozzle portionIn, in described body shell, receive the profit that offers described the 1st bearing and drop from described the 1st bearingConsistent lubricant, and this lubrication grease supplying is existed in described body shell, this lubricating grease receives installation portion describedIn shell nozzle portion, be formed as loading and unloading between described body shell, at described exterior wing cover towards described shellBody peristome is formed with cover depressed part, and this exterior wing cover and described body shell part are close to, therebyIn the rotary course of described rotor, described lubricating grease receiving member can be loaded and unloaded from outside, at described coverIn the scope that comprises described shell nozzle portion of depressed part, be formed with and can connect for described lubricating grease acceptance divisionCover peristome.
Invention effect
According to the present invention, in external fan type rotating electrical machine, can take out safely, install lubricating grease and receivePart, and do not have lubricating grease to disperse.
Brief description of the drawings
Fig. 1 is the horizontal cross of the external fan type rotating electrical machine of embodiment 1.
Fig. 2 is the facade view of the external fan type rotating electrical machine of embodiment 1.
Fig. 3 is that the III-III alignment of Fig. 2 is looked transverse sectional view.
Fig. 4 is that the lubricating grease of the external fan type rotating electrical machine of embodiment 1 receives installation portion outward appearance aroundFigure.
Fig. 5 is that the V-V alignment of Fig. 4 is looked facade view.
Fig. 6 is that the lubricating grease of the external fan type rotating electrical machine of embodiment 2 receives near the exterior wing cover of installation portionThe facade view of variation.
Fig. 7 represents that the lubricating grease of external fan type rotating electrical machine receives the facade of installation portion conventional example aroundCutaway view.
Detailed description of the invention
The external fan type rotating electrical machine of embodiments of the present invention is described with reference to accompanying drawing below. Herein,To the additional common label of mutual same or similar part, and omit repeat specification.
[embodiment 1]
Fig. 1 is the horizontal cross of the external fan type rotating electrical machine of embodiment 1. Fig. 2 is facade view.Fig. 3 is that the III-III alignment of Fig. 2 is looked transverse sectional view.
External fan type rotating electrical machine 100 have rotor 10, stator 30, body shell 49, the 1st bearing 41a,The 2nd bearing 41b, exterior wing 45, exterior wing cover 46 and lubricating grease receiving member 51. Rotor 10 has rotorThe rotor core 12 upwards of axle 11 and the footpath that is arranged at armature spindle 11. The two ends of armature spindle 11 are rotatingMode by pivot suspension, this armature spindle 11 extends along horizontal axis. Rotor core 12 is will be by strong magneticGonosome is made and is had in central authorities the stepped construction that the discoideus steel plate of opening is laminated vertically.
Stator 30 is arranged at the radial outside of rotor 10, cylindric for what extend vertically. Stator 30 toolsThere are stator core 31 and stator winding 32. Stator core 31 will be for being become and at central tool by ferromagnetism systemThe stepped construction that has the discoideus steel plate of opening to be laminated vertically. With the footpath of rotor core 12The inner side of relative stator core 31 is formed with at upwards spaced interval and prolonging vertically of week laterallyThe not shown slot part of stretching. In each groove and the two axial arranged outside of stator core 31 have stator aroundGroup 32.
The 1st bearing 41a and the 2nd bearing 41b support armature spindle 11 in the axial both sides of armature spindle 11And can rotate. The 1st bearing 41a and the 2nd bearing 41b are for example rolling bearing.
Body shell 49 has framework 43, the 1st support of bearing 42a and the 2nd support of bearing 42b. Framework 43For the tubular taking horizontal direction as axle, both ends open. The 1st support of bearing 42a and the 2nd support of bearing 42bBe mounted to the two ends of framework 43 are clogged. The 1st support of bearing 42a supports the 1st bearing 41a. The 2ndSupport of bearing 42b supports the 2nd bearing 41b. In body shell 49, be formed with lubricating grease and receive structureThe 49a of shell nozzle portion (Fig. 5) that part 51 connects.
Exterior wing 45 is installed on armature spindle 11, rotates with together with the rotation of armature spindle 11. Exterior wing 45 is arranged atThe axial outside of the 1st bearing 41a, clip the 1st bearing 41a and be arranged on the opposition side of rotor core 12.There is exterior wing cover 46 to cover exterior wing in the arranged outside of exterior wing 45. On exterior wing cover 46, be formed with for makingOffer the air vent 47 that the air of exterior wing 45 passes through.
Lubricating grease receiving member 51 has the lubricating grease acceptance division 51a of storage lubricating grease and lubricating grease is installedThe lubricating grease of receiving member 51 receives installation portion 51b. Lubricating grease receiving member 51 connects body shell 49.Lubricating grease receiving member 51 receives installation portion 51b loading and unloading at the 49a of shell nozzle portion by lubricating greaseMode is installed on body shell 49.
Around the 1st bearing 41a, be provided with anti-cover 48 (Fig. 3) that disperse, prevent that lubricating grease is from the 1st axleHolding 41a disperses towards periphery. In addition, the bottom of the anti-cover 48 that disperses is open, the profit dropping from the 1st bearing 41aConsistent lubricant drops to below. Though the 2nd bearing 41b is not shown, be also same.
Lubricating grease acceptance division 51a extends to the inside of body shell 49 from the position of the 49a of shell nozzle portionThe below of the 1st bearing 41a, to receive the lubricating grease dropping from the 1st bearing 41a. Lubricating grease acceptance division 51aTop open, to receive the lubricating grease dropping from top. Lubricating grease acceptance division 51a for have bottom andThe shape of sidepiece, can store lubricating grease.
Fig. 4 is the outside drawing that the lubricating grease of the external fan type rotating electrical machine of embodiment 1 receives installation portion. Fig. 5The V-V alignment that is Fig. 4 is looked facade view. Be formed with cover depressed part 53 and cover peristome at exterior wing cover 4654。
Exterior wing cover 46 is at the lubricating grease that comprises the lubricating grease receiving member 51 that is installed on the 49a of shell nozzle portionReceive installation portion 51b and in interior scope, be formed with cover peristome 54. In addition the cover of exterior wing cover 46 depression,Portion 53 caves in towards cover peristome 54, and the surface of its end and body shell 49 is close to. In addition, degree of being close toWithout being without leak condition. , by outer 45 air that send from cover depressed part 53 and body shell 49Surface between the amount of leaking also can be non-vanishing. Pulling out lubricating grease receiving member from body shell 4951 o'clock, as long as for not splash because this leakage air causes the lubricating grease in lubricating grease acceptance division 51aDegree, air also has leakage.
In the external fan type rotating electrical machine 100 of the above present embodiment forming, receive at dismounting lubricating greaseWhen member 51, owing to being formed with cover depressed part 53 at exterior wing cover 46, therefore, even if do not carry out exterior wingThe operations such as the part dismounting of cover 46 also can operate lubricating grease and receive installation portion 51b under this state.
Utilizing lubricating grease to receive installation portion 51b from body shell 49 is dismantled lubricating grease receiving member 51,Lubricating grease receiving member 51 can be drawn out to the outside of body shell 49. Now, body shell 49 is with outerEven if the air-flow that fan cover is 46 leaks between body shell 49 and cover depressed part 53, can be by not lubricated yetLubricating grease in fat acceptance division 51a blows away. In addition, in the time of pull-out lubricating grease receiving member 51, operatorHand, equipment can not contact with exterior wing 45.
, according to present embodiment, in external fan type rotating electrical machine 100, can take out safely as mentioned above,,Lubricating grease receiving member 51 is installed, and is not had lubricating grease to disperse.
[embodiment 2]
Fig. 6 is that the lubricating grease of the external fan type rotating electrical machine of embodiment 2 receives near the exterior wing cover of installation portionThe facade view of variation. Present embodiment is the distortion of embodiment 1. In present embodiment 2,Exterior wing cover 60 has the 1st cover member 61 and i.e. the 2nd cover member 62 of part in addition. The 1st cover member 61Be formed as and being installed on the 2nd cover member 62 from the 2nd cover member 62 dismountings. The 1st cover member 61 and theThe correspondence position of 2 cover members 62 is formed with not shown bolt hole, carries out combination with wing bolt 61c.In addition, associated methods is not limited to wing bolt, for example also can be for utilizing the chimeric mode of spring etc.Deng other method.
Same with embodiment 1, the 1st cover member 61 has cover depressed part 61a and cover peristome 61b. CoverPeristome 61b receives at the lubricating grease that comprises the lubricating grease receiving member 51 that is installed on the 49a of shell nozzle portionIn the scope of installation portion 51b, form. In addition, cover depressed part 61a is towards cover peristome 61b depression, its endBe close to the surface of body shell 49.
At the external fan type rotating electrical machine 100 of the present embodiment forming like that above, same with embodiment 1Sample, can take out safely, dismantle lubricating grease receiving member 51, and not have lubricating grease to disperse.
In addition,, in the situation that needs are dismantled exterior wing cover 60 from body shell 49, may there is thinking dimensionHold the situation of the state of lubricating grease acceptance division 51a reception lubricating grease etc. In this case, lubricating grease connectsThe lubricating grease of receiving member 51 receives installation portion 51b and likely can disturb with cover depressed part 61a, and causes certainOne side's damage.
In the present embodiment, in the situation that needs are dismantled exterior wing cover 60 from body shell 49, only tear openUnload the 1st cover member 61, and need not dismantle lubricating grease receiving member 51, thus interference-free dismounting exterior wing cover60. Particularly, in the situation that as exterior wing full cut-off type electric rotating machine, body shell is closed,Dismounting lubricating grease receiving member can destroy full-shut position, undesirable. In this case, can tear openUnload lubricating grease receiving member 51 and interference-free dismounting exterior wing cover 60 has larger advantage.
[other embodiment]
Above, although the description of embodiments of the present invention, but embodiment is just as exampleExisting, and do not really want invention scope to limit.
In addition, these embodiments can be implemented by other variety of way, do not depart from invention wantIn the scope of purport, can carry out various omissions, displacement, change.
Above-mentioned embodiment and variation thereof are all included in scope of the present invention, inventive concept, andBe included in the invention that claim records and in the scope being equal to it.
Label declaration
10 rotors
11 armature spindles
12 rotor cores
30 stators
31 stator cores
32 stator winding
41a the 1st bearing
41b the 2nd bearing
42a the 1st support of bearing
42b the 2nd support of bearing
43 frameworks
45 exterior wings
46 exterior wing covers
46a exterior wing cover vent cover
47 air vents
The 48 anti-covers that disperse
49 body shell
49a shell nozzle portion
51 lubricating grease receiving members
51a lubricating grease acceptance division
51b lubricating grease receives installation portion
53 cover depressed parts
54 cover peristomes
60 exterior wing covers
61 the 1st cover members
61a covers depressed part
61b covers peristome
61c wing bolt
62 the 2nd cover members
100 external fan type rotating electrical machines

Claims (3)

1. an external fan type rotating electrical machine, is characterized in that, comprising:
Rotor, this rotor there is mode rotating around horizontal rotating shaft by the armature spindle of pivot suspension andBe fixed on the rotor core of this armature spindle;
The 1st bearing and the 2nd bearing, the 1st bearing and the 2nd bearing are configured in respectively and clip described armature spindleThe position of axial described rotor core, described armature spindle is supported;
Stator, this stator arrangement is at the radial outside of described rotor core;
Body shell, this body shell has the radial outside that surrounds described rotor core and described statorAnd the framework of the tubular of both ends open and be fixedly attached to the axial two ends of described framework and respectively to instituteState the 1st support of bearing and the 2nd support of bearing that the 1st bearing and the 2nd bearing support, this body shellBe formed with shell nozzle portion;
Exterior wing, this exterior wing is installed on the axial outside of described the 1st bearing of described armature spindle, by cooling useAir is sent to the outside of described the 1st support of bearing and described framework;
Exterior wing cover, this exterior wing cover is arranged to cover the outside of described exterior wing; And
Lubricating grease receiving member, this lubricating grease receiving member has lubricating grease acceptance division and lubricating grease receivesInstallation portion, this lubricating grease acceptance division is inserted in described body shell by described shell nozzle portion,In described body shell, receive the lubricating grease that offers described the 1st bearing and drop from described the 1st bearing,And this lubrication grease supplying is existed in described body shell, this consistent lubricant receives installation portion at described shell nozzleIn portion, be formed as can and described body shell between load and unload,
Be formed with cover depressed part at described exterior wing cover towards described shell nozzle portion, make this exterior wing cover and instituteState body shell part and be close to, thereby described lubricating grease can be received in the rotary course of described rotorMember loads and unloads from outside, in the scope of comprising of described cover depressed part of described shell nozzle portion, is formed withThe cover peristome that can connect for described lubricating grease acceptance division.
2. external fan type rotating electrical machine as claimed in claim 1, is characterized in that,
Described lubricating grease receiving member and described shell nozzle portion are formed as outside described shell nozzle portionThe edge part of side is close to each other.
3. external fan type rotating electrical machine as claimed in claim 1 or 2, is characterized in that,
Described exterior wing cover comprise have described cover depressed part and described cover peristome the 1st cover member andThe 2nd cover member except described the 1st cover member,
Described the 1st cover member be formed as can and described the 2nd cap assembly between load and unload.
CN201510749990.3A 2014-11-06 2015-11-06 External fan type rotating electrical machine Active CN105591491B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2014-226336 2014-11-06
JP2014226336A JP6013428B2 (en) 2014-11-06 2014-11-06 Outer fan type rotating electric machine

Publications (2)

Publication Number Publication Date
CN105591491A true CN105591491A (en) 2016-05-18
CN105591491B CN105591491B (en) 2018-06-19

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CN (1) CN105591491B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109274219A (en) * 2017-07-18 2019-01-25 东芝三菱电机产业系统株式会社 Totally-enclosed external fan type rotating electrical machine and variable ventilation exterior wing channel
CN110380574A (en) * 2018-04-12 2019-10-25 东芝三菱电机产业系统株式会社 Totally-enclosed external fan type rotating electrical machine and exterior wing cover
CN111934483A (en) * 2019-05-13 2020-11-13 东芝三菱电机产业系统株式会社 Bearing structure and rotating electrical machine

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6983135B2 (en) * 2018-10-05 2021-12-17 東芝三菱電機産業システム株式会社 Rotating machine, oil drainage cassette, and ventilation system

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CN103004062A (en) * 2010-07-28 2013-03-27 三菱电机株式会社 Totally-enclosed fan-cooled motor

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JPH077880A (en) * 1993-06-21 1995-01-10 Hitachi Ltd Bearing device of rotating electric machine
CN103004062A (en) * 2010-07-28 2013-03-27 三菱电机株式会社 Totally-enclosed fan-cooled motor
CN202565079U (en) * 2012-05-10 2012-11-28 河北玉星生物工程有限公司 Novel oil grease lubrication structure motor

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109274219A (en) * 2017-07-18 2019-01-25 东芝三菱电机产业系统株式会社 Totally-enclosed external fan type rotating electrical machine and variable ventilation exterior wing channel
CN109274219B (en) * 2017-07-18 2020-08-11 东芝三菱电机产业系统株式会社 Totally-enclosed outer fan type rotating motor and variable ventilation outer fan channel
CN110380574A (en) * 2018-04-12 2019-10-25 东芝三菱电机产业系统株式会社 Totally-enclosed external fan type rotating electrical machine and exterior wing cover
CN110380574B (en) * 2018-04-12 2021-11-23 东芝三菱电机产业系统株式会社 Totally-enclosed outer fan type rotating motor and outer fan cover
CN111934483A (en) * 2019-05-13 2020-11-13 东芝三菱电机产业系统株式会社 Bearing structure and rotating electrical machine

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Publication number Publication date
JP6013428B2 (en) 2016-10-25
JP2016093013A (en) 2016-05-23
CN105591491B (en) 2018-06-19

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