CN105020215B - Applied to fixing device of the traction electric machine with shaft coupling in transportation - Google Patents
Applied to fixing device of the traction electric machine with shaft coupling in transportation Download PDFInfo
- Publication number
- CN105020215B CN105020215B CN201510474858.6A CN201510474858A CN105020215B CN 105020215 B CN105020215 B CN 105020215B CN 201510474858 A CN201510474858 A CN 201510474858A CN 105020215 B CN105020215 B CN 105020215B
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- fix bar
- fixed plate
- electric machine
- rotating shaft
- traction electric
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- 230000008878 coupling Effects 0.000 title claims abstract description 38
- 238000010168 coupling process Methods 0.000 title claims abstract description 38
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 38
- 238000006073 displacement reaction Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 241000271559 Dromaiidae Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B1/00—Devices for securing together, or preventing relative movement between, constructional elements or machine parts
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Motor Or Generator Frames (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
Fixing device of the traction electric machine with shaft coupling in transportation is applied to the present invention relates to a kind of, the problem of how damage that transportation middle (center) bearing is subject to is mitigated with solution.The device includes fix bar and is fixedly attached to the fixed plate of the fix bar；The fix bar, the rotating shaft for being fixedly attached to the traction electric machine；The fixed plate, the housing for being fixedly attached to the traction electric machine.Without relative rotation between fixed plate and fix bar in the present invention, without relative rotation between fix bar and rotating shaft, without relative motion between fixed plate and housing, therefore relative displacement can not be produced between rotating shaft and the housing of traction electric machine, therefore stability of the rotating shaft in traction electric machine housing is improved, alleviated to a certain extent in the damage suffered by transportation middle (center) bearing.
Description
Technical field
The present invention relates to traction electric machine technical field, and in particular to a kind of to be applied to the traction electric machine with shaft coupling in transport
During fixing device.
Background technology
EMUs it is every operation 600,000 kilometers when be accomplished by carrying out senior maintenance.During maintenance, by traction electric machine from bogie
It is upper to remove, and overhauled by Freight Transport to traction electric machine producer, as shown in figure 1, the traction electric machine 1 in transportation
It is with shaft coupling 5 in rotating shaft 4.
Wherein, shaft coupling 5 typically uses drum-shaped tooth type structure, belongs to rigid and flexibility shaft coupling, weighs about as 20kg, with footpath
To, axially and the axis deviation compensation ability such as angular.That is, the shaft coupling 5 can not only be rotated relative to rotating shaft 4, and
Also there is angular displacement, with reference to Fig. 2.
Wherein, rotating shaft 4 is through traction electric machine driving end and the end bearing of non-transmision end, and in Fig. 1, traction electric machine is driven
The bearing at end is deep groove ball bearing 2, and the bearing of the non-transmision end of traction electric machine 1 is cylinder roller bearing 3.Transported in traction electric machine 1
During, rotating shaft 4 is easily as bearing is rotated.
Wherein, bearing is accurate mechanical parts, with good running accuracy and dimensional accuracy.The traction electric machine in maintenance
In bearing must change part to be non-, after cleaning upon examination it is found that without impression, abrade, bite the problems such as bearing be to continue
Use.
Due to the relative displacement between the relative rotation between the bearing of traction electric machine and rotating shaft, rotating shaft and shaft coupling and connection
The self gravitation influence of joint, very big influence is caused to bearing.Found in fact, being overhauled by the three-level to traction electric machine,
Why bearing needs substantial amounts of replacing, and tracing it to its cause is：Traction electric machine is in transportation, and non-countershaft, shaft coupling are carried out
It is fixed, so that result in bearing internal external circle roller surface and roller rolls face has different degrees of equidistant impression.Due to axle
That holds is expensive, and not arriving just substantial amounts of replacing in service life causes great waste.
The content of the invention
The technical problems to be solved by the invention are how to mitigate the damage that transportation middle (center) bearing is subject to.
For this purpose, the present invention proposes a kind of fixed dress applied to the traction electric machine with shaft coupling in transportation
Put.The device includes：Including fix bar and the fixed plate for being fixedly attached to the fix bar；
The fix bar, the rotating shaft for being fixedly attached to the traction electric machine；
The fixed plate, the housing for being fixedly attached to the traction electric machine.
Further, the fix bar includes fix bar main body and is arranged on the connecting portion of described fix bar main body one end,
The fix bar main body is fixedly attached to the rotating shaft by the connecting portion.
Further, the connecting portion includes inserting column；
The inserting column is fixedly and coaxially connected with the fixed bar body, and is adapted with the blind hole shape of the rotating shaft；
The end face that the inserting column is in contact with the blind via bottom of the rotating shaft is provided with the first screw thread, first screw thread
It is adapted with the second screw thread of the blind via bottom.
Further, the inserting column and the fix bar main body are structure as a whole.
Further, the cross section of the fix bar main body is more than the cross section of the inserting column.
Further, the first fixing hole is offered in the fixed plate, the fixed plate is connected by first fixing hole
It is connected to the housing.
Further, the fixed plate is additionally operable to be fixedly attached to the shaft coupling.
Further, the second fixing hole is offered in the fixed plate, the fixed plate is connected by second fixing hole
It is connected to the shaft coupling.
Further, the 3rd fixing hole is offered in the fixed plate, the fix bar main body is located in the fixed plate
The 3rd fixing hole in；
Offered on the 3rd fixing hole inwall and be provided with retainingf key, the fixation in keyway, the fix bar main body
Key is axially arranged along the fix bar main body, and is adapted with the retainingf key.
Further, the fix bar main body is provided with locating part, and the locating part is used for spacing to the fixed plate.
Due to, without relative motion, without relative motion between fix bar main body and rotating shaft, and consolidating between fix bar and fixed plate
Consolidated without relative motion between fixed board and housing, therefore between rotating shaft and the housing of traction electric machine by fix bar and fixed plate
It is fixed so that relative displacement can not be produced between rotating shaft and traction electric machine housing, rotating shaft is improved steady in traction electric machine housing
It is qualitative, so as to avoid rotating shaft from producing unbalanced pressure to bearing, alleviate to a certain extent suffered by transportation middle (center) bearing
The damage arrived.
Brief description of the drawings
The features and advantages of the present invention can be more clearly understood from by reference to accompanying drawing, accompanying drawing is schematical without that should manage
Solve to carry out any limitation to the present invention, in the accompanying drawings：
Fig. 1 shows the structural representation of the traction electric machine with shaft coupling；
Fig. 2 shows that the schematic diagram of angular displacement occurs relative to the rotating shaft in traction electric machine for shaft coupling；
Fig. 3 shows the structural representation according to fixed plate in fixing device one embodiment of the present invention；
Fig. 4 is shown to be illustrated according to the clamping relation of rotating shaft in another embodiment of fixing device of the present invention and traction electric machine
Figure；
Fig. 5 shows the scheme of installation of fixing device of the present invention.
Drawing reference numeral explanation：
1- traction electric machines；2- deep groove ball bearings；3- cylinder roller bearings；4- rotating shafts；41- blind holes；The screw threads of 42- second；5-
Shaft coupling；Fixing hole on 51- shaft couplings；6- fixed plates；The Part I of 61- fixed plates；The fixing holes of 611- first；62- consolidates
The Part II of fixed board；The fixing holes of 622- second；The fixing holes of 63- the 3rd；633- keyways；7- fix bar main bodys；71- retainingf keys；
8- connecting portions；The screw threads of 81- first；The bolts of 9- first；10- locating parts；Fixing hole on 11- traction electric machine housings.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, is only used for explaining the present invention, and is not construed as limiting the claims.
Those skilled in the art of the present technique are appreciated that unless expressly stated, singulative " one " used herein, " one
It is individual ", " described " and "the" may also comprise plural form.It is to be further understood that what is used in the specification of the present invention arranges
Diction " comprising " refer to there is the feature, integer, step, operation, element and/or component, but it is not excluded that in the presence of or addition
Other one or more features, integer, step, operation, element, component and/or their group.
The present invention provides a kind of applied to fixing device of the traction electric machine with shaft coupling in transportation, such as Fig. 3,4
Shown, the fixing device includes：Fix bar and the fixed plate for being fixedly attached to the fix bar；
The fix bar, the rotating shaft 4 for being fixedly attached to the traction electric machine；
The fixed plate 6, the housing for being fixedly attached to the traction electric machine 1.
Due to, without relative motion, without relative motion between fix bar main body and rotating shaft, and consolidating between fix bar and fixed plate
Consolidated without relative motion between fixed board and housing, therefore between rotating shaft and the housing of traction electric machine by fix bar and fixed plate
It is fixed so that relative displacement can not be produced between rotating shaft and traction electric machine housing, rotating shaft is improved steady in traction electric machine housing
It is qualitative, so as to avoid rotating shaft from producing unbalanced pressure to bearing, alleviate to a certain extent suffered by transportation middle (center) bearing
The damage arrived.
Further, the fix bar may include fix bar main body 7 and be arranged on the connection of described fix bar main body one end
Portion 8, the fix bar main body is fixedly attached to the rotating shaft 4 by the connecting portion, so as to prevent the fix bar main body
Relative motion between the rotating shaft.
Due to having blind hole in rotating shaft, the blind hole is arranged on the end face of rotating shaft, and, the bottom of blind hole coaxial with rotating shaft
It is provided with the second screw thread.Therefore, as shown in figure 4, connecting portion can use following structure：
The connecting portion includes inserting column 8；
The inserting column is fixedly and coaxially connected with the fixed bar body 7, and is mutually fitted with the shape of blind hole 41 of the rotating shaft 4
Match somebody with somebody；The end face that the inserting column is in contact with the blind via bottom of the rotating shaft be provided with the first screw thread 81, first screw thread with
Second screw thread 42 of the blind via bottom is adapted, suitable for by the blind hole of the inserting column clamping to the rotating shaft.
The connecting portion can ensure that without relative rotation between fix bar main body and rotating shaft the connecting portion is simple in construction, makes and holds
Easily.The inserting column and the fix bar main body can be structure as a whole, and improve to connect between inserting column and fix bar main body and close
The stability of system, meanwhile, the technique of integrative-structure is simpler.
Further, the cross section of the fix bar can be more than the cross section of the inserting column.
Because the cross section of fix bar main body can be more than the cross section of inserting column, therefore when inserting column is plugged to rotating shaft blind hole
When interior, the end face being connected in fix bar main body with inserting column is conformed on the end face of rotating shaft.Because shaft coupling has certain weight
Power, the fix bar main body of laminating rotating shaft end face can share transverse direction and the vertical active force that shaft coupling is applied, and reduce shaft coupling
Angular displacement, so as to reduce unbalanced pressure of the rotating shaft to bearing, further reduces the damage to bearing.
Further, the first fixing hole 611 can be offered in the fixed plate, first fixing hole is suitable to will be described solid
Fixed board 6 is fixedly attached to the housing of the traction electric machine 1, to prevent the relative motion between the fixed plate and the housing.
Further, the fixed plate can also be used to be fixedly attached to the shaft coupling.
Due between fix bar and fixed plate without relative motion, the relative motion between fix bar main body and rotating shaft, and solid
Relative motion between fixed board and shaft coupling, therefore be fixed between shaft coupling and rotating shaft by fix bar and fixed plate, make
Relative displacement can not be produced by obtaining between shaft coupling and rotating shaft.Therefore avoid because the relative motion between shaft coupling and rotating shaft makes to turn
The unbalanced pressure that axle is produced to bearing, is further alleviated in the damage suffered by transportation middle (center) bearing.
Further, the second fixing hole 622 can be also offered in the fixed plate, second fixing hole is suitable to institute
State fixed plate 6 and be fixedly attached to shaft coupling 5, to prevent the relative motion between the fixed plate and the shaft coupling.
To be fixedly connected between fixed plate and fix bar, i.e., both without relative rotation between fixed plate and fix bar, also without edge
The slip of axial direction.In specific implementation process, as shown in Figure 3,4, it can be prevented using following scheme between fixed plate and fix bar
Relative rotation：
The fixed plate is provided with the 3rd fixing hole 63, the inwall of the 3rd fixing hole and offers keyway 633；
The retainingf key 71 being adapted with the keyway is provided with the fix bar main body 7；
The fix bar main body 7 is located in the 3rd fixing hole 63 of the fixed plate, and passes through the He of retainingf key 71
The cooperation of the keyway 633, to prevent the relative rotation between the fix bar main body 7 and the fixed plate 6.
It is, of course, also possible to which keyway is arranged in fix bar main body, retainingf key is arranged on the 3rd fixing hole inwall.It is logical
Crossing above scheme makes fixing board card be connected in the fix bar, makes between fixed plate and fix bar without relative rotation.This clamping
Structure has the advantages that simple in construction, handling ease.Further, the 3rd fixing hole can be arranged on the fixed plate
Center.
In addition, what the side that the fixing device of the present invention is provided in shaft coupling was used.Like this, fixed plate is possible to
Along axially being slided to the direction away from shaft coupling for fix bar, the keyway for being likely to result in fixed plate departs from the fixation of fix bar
Key.As shown in figure 4, fixed plate can be prevented to be slid axially apart fix bar along fix bar by following scheme：
The fix bar main body is provided with locating part 10, and the locating part is spacing for being carried out to fixed plate, prevents described
The keyway of fixed plate slips away the retainingf key.
Wherein, locating part includes but is not limited to the bolt being fastened in fix bar main body.
Locating part can be arranged on the outside of retainingf key in fix bar main body, i.e. retainingf key positioned at locating part only with one
Between connecting portion, due to connecting portion connection rotating shaft, shaft coupling is socketed on the outside of rotating shaft, so shaft coupling can play one to fixed plate
Fixed position-limiting action.
By the retainingf key and locating part in fix bar main body, the 3rd fixing hole in fixed plate and keyway by fixed plate and
It is fixedly connected between fix bar main body.
In specific implementation process, as shown in figure 3, the fixed plate can be made up of the two parts intersected：Part I 61
With Part II 62.
First fixing hole 611 is opened on the Part I 61, and second fixing hole 622 is opened in described
On two parts 62；
3rd fixing hole 63 is opened in the crossover location of the fixed plate 62 of Part I 61 and second.
Because, to intersect connection, in figure 3, fixed plate is in X-shaped, relative to whole between the first fixed plate and the second fixed plate
The fixed plate of individual all standing, reduces the materials of fixed plate, that is, reduces the cost of manufacture of fixing device.
To make the relation that is fixedly connected between fixed plate and traction electric machine more stablize, first fixing hole can be at least
Two, at least one pair of first fixing hole at least two is with the 3rd fixing hole Central Symmetry.Similarly, to make fixation
Being fixedly connected relation between plate and shaft coupling is more stablized, and second fixing hole can be at least two, and this is at least two
At least one pair of second fixing hole with the 3rd fixing hole Central Symmetry.
As shown in figure 5, the first fixing hole can be connected by the first bolt with the fixing hole 11 on traction electric machine, second fixes
Hole can be connected by the second bolt 9 with the fixing hole 51 on shaft coupling.Due to fixing hole 11 compared to fixing hole 51 apart from rotating shaft
Center it is distant, therefore the first fixing hole compared to the fixing hole of the second fixing hole distance the 3rd distance also farther out.First
The distance of fixing hole and the 3rd fixing hole is consolidated equivalent to fixing hole 11 and the distance of spindle central distance, the second fixing hole and the 3rd
Determine the distance of the distance equivalent to fixing hole 51 and spindle central in hole.
Technical scheme is described in detail above in association with accompanying drawing, it is contemplated that remain multiple users interference band in the prior art
The problem of coming.By technical scheme, residual multiple users interference can be reduced, so as to reduce its various problem brought.
In the present invention, term " first ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that indicate or
Imply relative importance.Term " multiple " refers to two or more, unless otherwise clear and definite restriction.
Although being described in conjunction with the accompanying embodiments of the present invention, those skilled in the art can not depart from this hair
Various modifications and variations are made in the case of bright spirit and scope, such modifications and variations are each fallen within by appended claims
Within limited range.
Claims (6)
1. a kind of be applied to fixing device of the traction electric machine with shaft coupling in transportation, it is characterised in that including fixation
Bar and the fixed plate for being fixedly attached to the fix bar；
The fix bar, the rotating shaft for being fixedly attached to the traction electric machine；
The fixed plate, the housing for being fixedly attached to the traction electric machine；
The fixed plate is additionally operable to be fixedly attached to the shaft coupling；
The fixing device is used to be arranged on side of the shaft coupling away from the rotating shaft；
Fix bar includes：Inserting column, inserting column is fixedly and coaxially connected with fix bar main body, and is mutually fitted with the blind hole shape of rotating shaft
Match somebody with somebody；The end face that the inserting column is in contact with the blind via bottom of the rotating shaft is provided with the first screw thread, first screw thread and institute
The second screw thread for stating blind via bottom is adapted；
The 3rd fixing hole is offered in the fixed plate, the fix bar main body is located in the 3rd fixing hole of the fixed plate
It is interior；
Offered on the 3rd fixing hole inwall and retainingf key, the retainingf key edge are provided with keyway, the fix bar main body
The fix bar main body it is axially arranged, and be adapted with the keyway.
2. fixing device according to claim 1, it is characterised in that the inserting column and the fix bar main body are integrated
Structure.
3. fixing device according to claim 1, it is characterised in that the cross section of the fix bar main body is more than described insert
Connect the cross section of post.
4. fixing device according to claim 1, it is characterised in that
The first fixing hole is offered in the fixed plate, the fixed plate is connected to the housing by first fixing hole.
5. fixing device according to claim 1, it is characterised in that
The second fixing hole is offered in the fixed plate, the fixed plate is connected to the shaft coupling by second fixing hole
Section.
6. fixing device according to claim 1, it is characterised in that the fix bar main body is provided with locating part, described
Locating part is used for spacing to the fixed plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510474858.6A CN105020215B (en) | 2015-08-05 | 2015-08-05 | Applied to fixing device of the traction electric machine with shaft coupling in transportation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510474858.6A CN105020215B (en) | 2015-08-05 | 2015-08-05 | Applied to fixing device of the traction electric machine with shaft coupling in transportation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105020215A CN105020215A (en) | 2015-11-04 |
| CN105020215B true CN105020215B (en) | 2017-10-31 |
Family
ID=54410430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510474858.6A Active CN105020215B (en) | 2015-08-05 | 2015-08-05 | Applied to fixing device of the traction electric machine with shaft coupling in transportation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105020215B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115059693A (en) * | 2022-06-30 | 2022-09-16 | 江苏中车电机有限公司 | Motor transportation bearing protection method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4648579A (en) * | 1985-06-10 | 1987-03-10 | Wilson John D | Cushioned mounting arrangement for a motor housing |
| CN201576972U (en) * | 2009-11-13 | 2010-09-08 | 三一电气有限责任公司 | Extending shaft protecting device used on motor |
| CN201656615U (en) * | 2010-03-05 | 2010-11-24 | 大连天元电机股份有限公司 | Fixed device for rotating shaft of power generator |
| CN202210725U (en) * | 2011-09-01 | 2012-05-02 | 西安盾安电气有限公司 | Motor protection plate |
| CN202395630U (en) * | 2011-11-21 | 2012-08-22 | 哈尔滨电机厂有限责任公司 | Locking structure of rotary shaft coupler of non-salient pole synchronous generator |
| CN103475139A (en) * | 2013-09-09 | 2013-12-25 | 中达电机股份有限公司 | Rotating shaft fixing device of three-phase asynchronous motor |
| CN204921555U (en) * | 2015-08-05 | 2015-12-30 | 南车青岛四方机车车辆股份有限公司 | Be applied to fixing device of traction motor in transportation who takes shaft coupling |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204376557U (en) * | 2015-02-06 | 2015-06-03 | 山东齐鲁电机制造有限公司 | A kind of ready-package generator amature retaining device |
-
2015
- 2015-08-05 CN CN201510474858.6A patent/CN105020215B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4648579A (en) * | 1985-06-10 | 1987-03-10 | Wilson John D | Cushioned mounting arrangement for a motor housing |
| CN201576972U (en) * | 2009-11-13 | 2010-09-08 | 三一电气有限责任公司 | Extending shaft protecting device used on motor |
| CN201656615U (en) * | 2010-03-05 | 2010-11-24 | 大连天元电机股份有限公司 | Fixed device for rotating shaft of power generator |
| CN202210725U (en) * | 2011-09-01 | 2012-05-02 | 西安盾安电气有限公司 | Motor protection plate |
| CN202395630U (en) * | 2011-11-21 | 2012-08-22 | 哈尔滨电机厂有限责任公司 | Locking structure of rotary shaft coupler of non-salient pole synchronous generator |
| CN103475139A (en) * | 2013-09-09 | 2013-12-25 | 中达电机股份有限公司 | Rotating shaft fixing device of three-phase asynchronous motor |
| CN204921555U (en) * | 2015-08-05 | 2015-12-30 | 南车青岛四方机车车辆股份有限公司 | Be applied to fixing device of traction motor in transportation who takes shaft coupling |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105020215A (en) | 2015-11-04 |
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Address after: Chengyang District of Shandong city of Qingdao province Jinhong road 266111 No. 88 Applicant after: CRRC QINGDAO SIFANG CO., LTD. Address before: Chengyang District of Shandong city of Qingdao province Jinhong road 266111 No. 88 Applicant before: CSR Qingdao Sifang Locomotive and Rolling Stock Co., Ltd. |
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