CN106382357A - Positioning and lubrication sealing structure of bogie-suspension bearing gear box - Google Patents
Positioning and lubrication sealing structure of bogie-suspension bearing gear box Download PDFInfo
- Publication number
- CN106382357A CN106382357A CN201610926985.XA CN201610926985A CN106382357A CN 106382357 A CN106382357 A CN 106382357A CN 201610926985 A CN201610926985 A CN 201610926985A CN 106382357 A CN106382357 A CN 106382357A
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- Prior art keywords
- chamber
- bearing
- gear
- oil
- cylindrical bearing
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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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
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- 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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/027—Gearboxes; Mounting gearing therein characterised by means for venting gearboxes, e.g. air breathers
-
- 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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/028—Gearboxes; Mounting gearing therein characterised by means for reducing vibration or noise
-
- 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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/029—Gearboxes; Mounting gearing therein characterised by means for sealing the gearboxes, e.g. to improve airtightness
-
- 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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/042—Guidance of lubricant
- F16H57/0421—Guidance of lubricant on or within the casing, e.g. shields or baffles for collecting lubricant, tubes, pipes, grooves, channels or the like
- F16H57/0423—Lubricant guiding means mounted or supported on the casing, e.g. shields or baffles for collecting lubricant, tubes or pipes
-
- 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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/042—Guidance of lubricant
- F16H57/0421—Guidance of lubricant on or within the casing, e.g. shields or baffles for collecting lubricant, tubes, pipes, grooves, channels or the like
- F16H57/0424—Lubricant guiding means in the wall of or integrated with the casing, e.g. grooves, channels, holes
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention provides a positioning and lubrication sealing structure of a bogie-suspension bearing gear box. The positioning and lubrication sealing structure comprises a six-bar linkage mechanism hollow shaft, wherein the six-bar linkage mechanism hollow shaft is connected with car wheels, penetrates through the interior of a gear box body, and is connected with a big gear core through six bars and an end tooth transmission disc; the six bars are provided with rubber joints; the outer sides of the two ends of the big gear core are supported on bearing seats through a first cylindrical bearing and a second cylindrical bearing respectively; the bearing seats are mounted on the gear box body; the end tooth transmission disc is fixed on the big gear core through end teeth and bolts; a first sealing ring is compressed by bolt pins in the end tooth transmission disc, thereby achieving axial positioning of the first cylindrical bearing; oil inlet channels, oil return channels and an oil baffle plate are arranged on the gear box body and the bearing seats, thereby achieving oil lubrication of the first and second cylindrical bearings as well as sealing of the gear box body; and lubricating oil from two sides of the gear box body passes through a first labyrinth cavity, a second labyrinth cavity, a third labyrinth cavity, the first oil return channel, the second oil return channel, the third oil return channel, a middle buffer cavity and a final buffer cavity, and then indirectly flows back to an inner cavity of the gear box body.
Description
Technical field
The present invention relates to rail locomotive vehicle frame suspension type driving device, especially a kind of carrying tooth of frame suspension type driving device
The positioning of wheel axle box bearing and lubrication sealing structure.
Background technology
Passenger locomotive（Or power car）Driving means are substantially all using frame suspension type, and gear-box is generally unitary construction.
The traction electric machine output end of frame suspension type driving device is directly connected with the pinion shaft of the little gear in bearing-type gear-box,
Little gear and the gear wheel external toothing being similarly positioned in bearing-type gear-box, canine tooth core wheel passes through geardrive disk and six-bar linkage machine
Structure hollow shaft connects, and six bar mechanism hollow shaft is connected with wheel by six-bar linkage.
In order to improve lightweight and the reliability requirement of frame suspension type driving device, bearing-type gear case body is using casting aluminium
Alloy, bearing are gradually in industry reached common understanding using technology such as oil lubrications, but the positioning of carrier gear axle box bearing and lubrication are close
Seal structure is not finalized always.
Content of the invention
The technical problem to be solved is, not enough for prior art, provides one kind ensureing the driving of frame suspension type
Device effectively transmits while traction/braking force it is ensured that the frame of personal rapid transit locomotive drive system drive bearing lubricating and sealing
The positioning of suspension type carrier gear axle box bearing and lubrication sealing structure, to adapt to the quick locomotive of High-power AC drives or EMUs pair
The high reliability request of drive system.
For solving above-mentioned technical problem, the technical solution used in the present invention is：A kind of frame suspension type carrier gear axle box bearing
Positioning and lubrication sealing structure, including is connected with wheel and pass through gear housing within six bar mechanism hollow shaft, this six company
Linkage hollow shaft connects the canine tooth core wheel of gear wheel by the six-bar linkage with rubber arthrosis and geardrive disk, and its feature exists
In,
It is supported on and is installed on gear housing by the first cylindrical bearing and the second cylindrical bearing respectively outside canine tooth core wheel two ends
Bearing block on；
Between canine tooth core wheel and geardrive disk, end tooth is set, and geardrive disk is fixed on by canine tooth core wheel by bolt；
The outside of the first cylindrical bearing arranges the first sealing ring, and the outside of the second cylindrical bearing arranges the second sealing ring, by end
Bolt pin in tooth drive plate compresses the axially position that the first sealing ring realizes the first cylindrical bearing, and the second cylindrical bearing is directly adopted
Realize axially position with the mode of the second sealing ring interference, the second sealing ring lock is fixed by blending bolt；
Above the inwall of gear housing, oil baffle is set, and the front and back ends inside upper part of gear housing is respectively provided with the first oil-collecting
Groove and the first oil inlet passage of the first oil sump, the bearing block top of the first cylindrical bearing and the second cylindrical bearing is respectively
Second oil inlet passage of the second oil trap and the second oil sump is set；First sealing ring, the second sealing ring include respectively by
Interior and outer sequential communication and first labyrinth chamber independent of each other, second labyrinth chamber and the 3rd road labyrinth chamber, the first cylinder axis
Hold with the bearing block bottom of the second cylindrical bearing be from inside to outside respectively provided with the first drainback passage connecting with first labyrinth chamber,
The 3rd drainback passage that the second drainback passage being connected with second labyrinth chamber is connected with the 3rd road labyrinth chamber；Gear housing
Front and back ends lower inside be respectively provided with three not in same aspect but structure similar connect with the first drainback passage first in
Between the 3rd intermediate buffering that communicates with the 3rd drainback passage of the second intermediate buffering chamber of connecting with the second drainback passage of cushion chamber
Chamber；The front and back ends bottom of gear housing arranges final cushion chamber, the first intermediate buffering chamber, the second intermediate buffering chamber, in the middle of the 3rd
Cushion chamber is connected with final cushion chamber respectively, and between final cushion chamber and the inner chamber of gear housing, setting gear-box bottom is passed through
Hole.
Breather is set at the final cushion chamber of gear housing both sides.
The outside of the first sealing ring arranges anti-gas hood.
The pressing plate with stopper slot for the outside setting of bolt pin, and with the second bolt, pressing plate is connected with geardrive disk.
Oil filler is arranged on the first oil inlet passage.
Compared with traditional six bar mechanism Hollow Shaft Transmission gear-box, the invention has the characteristics that：
1st, the canine tooth core wheel two ends of gear housing of the present invention are supported on the axle being installed on gear housing by first and second cylindrical bearing
In bearing, geardrive disk realizes torque transmission with canine tooth core wheel by the structure of end tooth+bolt, improves Hollow Shaft Transmission dress
The maintainability put.
2nd, six-bar linkage side（Wheel side）The first cylindrical bearing inner ring positioning using geardrive disk adopt bolt pin+pressure
The structure of plate, while ensureing the positive connection of drive plate and the gear heart, also ensure that the axially position high reliability of bearing.
3rd, pass through to arrange oil inlet passage on gear housing and bearing block（First and second oil inlet passage）, drainback passage（The
First, two, three drainback passage）And oil baffle realizes the oil lubrication of first and second cylindrical bearing and the sealing of gear housing, improve
The reliability of transmission system and service life.
4th, gear housing both sides first and second cylindrical bearing lubricating oil is not passed straight back to gear housing, but by additional
Complications and be isolated from each other first, second and third road labyrinth chamber, first, second and third drainback passage and intermediate buffering chamber, final buffer
Indirectly it is back to gear housing inner chamber, for reducing final cushion chamber internal pressure, at the final cushion chamber of gear housing behind chamber
One or both sides install breather, solve the sealing property of gear-box.
5th, install the anti-gas hood with labyrinth seal function additional outside the first sealing ring of gear housing six-bar linkage side, can subtract
The suction function of few six-bar linkage.
Brief description
Fig. 1：Bearing-type box bearing positioning of the present invention and lubrication system schematic diagram.
Fig. 2：The A-A sectional view of Fig. 1.B-B in Fig. 2 represents the projecting direction of Fig. 1.
Fig. 3：The C-C sectional view of Fig. 2.
Specific embodiment
As shown in Figure 1 and Figure 2, the positioning of frame suspension type carrier gear axle box bearing of the present invention and lubrication sealing structure one embodiment
The gear housing 1 of six bar mechanism hollow shaft 23, the six bar mechanism hollow shaft 23 in gear housing 1 are installed including middle part
By geardrive disk 21, six-bar linkage（Plus rubber arthrosis）24 connect the canine tooth core wheel 251 installing gear wheel 25, six bar mechanism
Hollow shaft 23 is connected with wheel by six-bar linkage, realizes the transmission of gear torque.
Canine tooth core wheel 251 two ends pass through the first cylindrical bearing 9 respectively and the second cylindrical bearing 10 is supported on and is installed on gear
On bearing block 4 on casing 1.The outer face inner ring of geardrive disk 21 arranges the first screwed hole, the inner of geardrive disk 21
Between face and canine tooth core wheel 251, end tooth 8 is set, and geardrive disk 21, end tooth 8 are by being screw-locked at the first spiral shell of the first screwed hole
Bolt 22 is locked in canine tooth core wheel 251.
The outside of the first cylindrical bearing 9 arranges the first sealing ring 261, outside setting second sealing of the second cylindrical bearing 10
Ring 262.Because geardrive disk 21 and canine tooth core wheel 251 pass through end tooth 8 and bolt 22 is connected, limit for space structure and can
Maintainability, the axially position of the first cylindrical bearing 9 positioned at six-bar linkage side can not by the way of the first sealing ring 261 interference,
But the second screwed hole is set outside the end face of geardrive disk 21, amount to 3 groups of bolt pin 7 compressions first using 4 one group
Sealing ring 261 realizes the axially position of the first cylindrical bearing 9, and the second cylindrical bearing 10 being located at non-six-bar linkage side is then directly adopted
Realize axially position with the mode of the second sealing ring 262 interference, the second sealing ring 262 is locked and positions by blending bolt.For
Prevent bolt pin 7 from loosening, bolt pin 7 pushed down by the pressing plate 6 using limited location groove, then with second bolt 5 by pressing plate 6 and end tooth biography
Moving plate 21 connects.
As shown in Figure 2 and Figure 3, inside setting oil baffle 2, and the front and back ends of gear housing 1 above the inwall of gear housing 1
Top is respectively provided with the first oil inlet passage 27 that the first oil trap 3 is connected with oil trap 3, and the first oil inlet passage 27 also sets up
There is the oil filler 28 facilitating external dressing, bearing block 4 top of the first cylindrical bearing 9 and the second cylindrical bearing 10 is respectively provided with
The second oil inlet passage 30 that two oil traps 29 are connected with the second oil trap 29.First sealing ring 261, the second sealing ring 262 are respectively
Including from inside to outside sequential communication and first labyrinth chamber 15 independent of each other, second labyrinth chamber 13 and the 3rd road labyrinth chamber
12.Bearing block 4 bottom of the first cylindrical bearing 9 and the second cylindrical bearing 10 be from inside to outside respectively provided with the first drainback passage 16,
Second drainback passage 141, the 3rd drainback passage 142.The front and back ends lower inside of gear housing 1 is respectively provided with three not same
One aspect but the first similar intermediate buffering chamber 171 of structure, the second intermediate buffering chamber 172, the 3rd intermediate buffering chamber 173 and be located at
The final cushion chamber 19 of the front and back ends bottom of gear housing 1, first labyrinth chamber 15 is through in the first drainback passage 16 connection first
Between cushion chamber 171, second labyrinth chamber 13 through the second drainback passage 141 connect the second intermediate buffering chamber 172, the 3rd road labyrinth chamber
12 through the 3rd drainback passage 142 connect the 3rd intermediate buffering chamber 173, the first intermediate buffering chamber 171, the second intermediate buffering chamber 172,
3rd intermediate buffering chamber 173 is connected with final cushion chamber 19 respectively, arranges between final cushion chamber 19 and the inner chamber of gear housing 1
Hole 20 is passed through in gear-box bottom.In gear wheel 25 rotation, lubricating oil is stirred, and the oil baffle 2 by setting in gear housing 1
Lubricating oil is brought into the first oil trap 3 of setting inside gear housing 1 two ends, then pass through the first oil inlet passage 27, second respectively
Oil trap 29, the second oil inlet passage 30 enter in the first cylindrical bearing 9 and the bearing chamber 31 of the second cylindrical bearing 10, to the first circle
Axis of a cylinder hold 9 and second cylindrical bearing 10 be lubricated.Lubricating oil passes through the bearing of the first cylindrical bearing 9 and the second cylindrical bearing 10
First labyrinth chamber 15 is entered, most of lubricating oil is back to the first intermediate buffering chamber by the first drainback passage 16 behind room 31
171, finally it is back to final cushion chamber 19, then recycled by the inner chamber that hole 20 enters gear housing 1 through gear-box bottom.
A small amount of lubricating oil is back to the second intermediate buffering chamber 172, finally by the second drainback passage 141 after reaching second labyrinth chamber 13
It is back to final cushion chamber 19, then recycled by the inner chamber that hole 20 enters gear housing 1 through gear-box bottom.Very small amount is moistened
Lubricating oil is back to the 3rd intermediate buffering chamber 173 by the 3rd drainback passage 142 after reaching the 3rd road labyrinth chamber 12, is finally back to
Final cushion chamber 19, then recycled by the inner chamber that hole 20 enters gear housing 1 through gear-box bottom.
As shown in Figure 1 and Figure 2, in order to reduce final cushion chamber 19 pressure in gear housing 1, in gear housing 1 both sides
A number of breather 18 has been installed additional, to facilitate lubricating oil to be back to the inner chamber circulation of gear housing 1 at final cushion chamber 19
Use.
As shown in Fig. 2 rotating the swabbing action to gear housing 1 for the negative pressure producing to reduce six-bar linkage, close in labyrinth
The outside of envelope increased the anti-gas hood 11 of labyrinth seal function.
Claims (5)
1. a kind of positioning of frame suspension type carrier gear axle box bearing and lubrication sealing structure, including be connected with wheel and pass through gear-box
Body（1）Internal six bar mechanism hollow shaft（23）, this six bar mechanism hollow shaft（23）By the six-bar linkage with rubber arthrosis
（24）With geardrive disk（21）Connect gear wheel（25）Canine tooth core wheel（251）It is characterised in that
Canine tooth core wheel（251）Pass through the first cylindrical bearing respectively outside two ends（9）With the second cylindrical bearing（10）It is supported on installation
In gear housing（1）On bearing block（4）On；
Canine tooth core wheel（251）With geardrive disk（21）Between arrange end tooth（8）, and by bolt, geardrive disk is fixed on greatly
The gear heart；
The outside of the first cylindrical bearing arranges the first sealing ring（261）, the outside of the second cylindrical bearing arranges the second sealing ring
（262）, by the bolt pin in geardrive disk（7）Compress the axially position that the first sealing ring realizes the first cylindrical bearing, the
Two cylindrical bearings（10）Directly by the way of the second sealing ring interference, realize axially position, the second sealing ring is locked by blending bolt
Fixing；
Oil baffle is set above the inwall of gear housing（2）, and the front and back ends inside upper part of gear housing is respectively provided with the first collection
Oil groove（3）, and the first oil sump the first oil inlet passage (27), the bearing block of the first cylindrical bearing and the second cylindrical bearing
Top is respectively provided with second oil inlet passage (30) of the second oil trap (29) and the second oil sump；First sealing ring, second
Sealing ring includes from inside to outside sequential communication and first labyrinth chamber independent of each other respectively（15）, second labyrinth chamber（13）With
3rd road labyrinth chamber（12）, the bearing block bottom of the first cylindrical bearing and the second cylindrical bearing is from inside to outside respectively provided with and first
First drainback passage of road labyrinth chamber connection（16）, the second drainback passage of connecting with second labyrinth chamber（141）, and the 3rd road
3rd drainback passage of labyrinth chamber connection（142）；The front and back ends lower inside of gear housing is respectively provided with three not in same layer
Face but similar the first intermediate buffering chamber connecting with the first drainback passage of structure（171）, connect with the second drainback passage
Two intermediate buffering chambeies（172）, the 3rd intermediate buffering chamber that communicates with the 3rd drainback passage（173）；The front and back ends bottom of gear housing
Portion arranges final cushion chamber（19）, the first intermediate buffering chamber, the second intermediate buffering chamber, the 3rd intermediate buffering chamber respectively with finally delay
Rush chamber connection, between final cushion chamber and the inner chamber of gear housing, hole is passed through in setting gear-box bottom（20）.
2. the positioning of frame suspension type carrier gear axle box bearing according to claim 1 and lubrication sealing structure it is characterised in that
Breather is set at the final cushion chamber of gear housing both sides（18）.
3. the positioning of frame suspension type carrier gear axle box bearing according to claim 1 and lubrication sealing structure it is characterised in that
The outside of the first sealing ring arranges anti-gas hood（11）.
4. the positioning of frame suspension type carrier gear axle box bearing according to claim 1 and lubrication sealing structure it is characterised in that
Bolt pin（7）Outside setting the pressing plate with stopper slot（6）, and use the second bolt（5）Pressing plate is connected with geardrive disk.
5. the positioning of frame suspension type carrier gear axle box bearing according to claim 1 and lubrication sealing structure it is characterised in that
First oil inlet passage（27）Upper setting oil filler（28）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610926985.XA CN106382357B (en) | 2016-10-31 | 2016-10-31 | The positioning of frame suspension type carrier gear axle box bearing and lubrication sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610926985.XA CN106382357B (en) | 2016-10-31 | 2016-10-31 | The positioning of frame suspension type carrier gear axle box bearing and lubrication sealing structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106382357A true CN106382357A (en) | 2017-02-08 |
| CN106382357B CN106382357B (en) | 2019-03-29 |
Family
ID=57958932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610926985.XA Active CN106382357B (en) | 2016-10-31 | 2016-10-31 | The positioning of frame suspension type carrier gear axle box bearing and lubrication sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106382357B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106884972A (en) * | 2017-03-02 | 2017-06-23 | 中车戚墅堰机车车辆工艺研究所有限公司 | Gearbox input shaft labyrinth seal structure |
| CN107023651A (en) * | 2017-06-13 | 2017-08-08 | 中车株洲电力机车有限公司 | A kind of gear-box dynamic sealing and oil-returning structure |
| CN107697090A (en) * | 2017-09-26 | 2018-02-16 | 中车株洲电力机车有限公司 | A kind of bogie |
| CN108757903A (en) * | 2018-05-21 | 2018-11-06 | 王浩 | A kind of decelerating motor for new-energy automobile |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4220754A1 (en) * | 1992-06-24 | 1994-01-05 | Aeg Schienenfahrzeuge | Drive mechanism for railway locomotive - has labyrinth seal with oil drainage channels having smooth transition surface to oil grooves in seal ring |
| JPH11182655A (en) * | 1997-12-17 | 1999-07-06 | Mitsubishi Motors Corp | Lubrication structure of final reduction gear unit |
| CN1308713A (en) * | 1998-07-04 | 2001-08-15 | 戴姆勒-克莱斯勒股份公司 | High speed gear with oil lubrication, especially for environmentally sealed railway driving mechanism |
| CN1467118A (en) * | 2003-06-03 | 2004-01-14 | 中国南车集团戚墅堰机车车辆工艺研究 | Airproof equipment for power driven gear case of high speed train |
| CN101973277A (en) * | 2010-11-09 | 2011-02-16 | 南车株洲电力机车有限公司 | Suspension type drive device for electric frame |
| CN203272737U (en) * | 2013-04-12 | 2013-11-06 | 南京高速齿轮制造有限公司 | Gearbox for rail transit vehicle |
-
2016
- 2016-10-31 CN CN201610926985.XA patent/CN106382357B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4220754A1 (en) * | 1992-06-24 | 1994-01-05 | Aeg Schienenfahrzeuge | Drive mechanism for railway locomotive - has labyrinth seal with oil drainage channels having smooth transition surface to oil grooves in seal ring |
| JPH11182655A (en) * | 1997-12-17 | 1999-07-06 | Mitsubishi Motors Corp | Lubrication structure of final reduction gear unit |
| CN1308713A (en) * | 1998-07-04 | 2001-08-15 | 戴姆勒-克莱斯勒股份公司 | High speed gear with oil lubrication, especially for environmentally sealed railway driving mechanism |
| CN1467118A (en) * | 2003-06-03 | 2004-01-14 | 中国南车集团戚墅堰机车车辆工艺研究 | Airproof equipment for power driven gear case of high speed train |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106884972A (en) * | 2017-03-02 | 2017-06-23 | 中车戚墅堰机车车辆工艺研究所有限公司 | Gearbox input shaft labyrinth seal structure |
| CN106884972B (en) * | 2017-03-02 | 2024-03-29 | 中车戚墅堰机车车辆工艺研究所股份有限公司 | Labyrinth sealing structure of input shaft of gear box |
| CN107023651A (en) * | 2017-06-13 | 2017-08-08 | 中车株洲电力机车有限公司 | A kind of gear-box dynamic sealing and oil-returning structure |
| CN107697090A (en) * | 2017-09-26 | 2018-02-16 | 中车株洲电力机车有限公司 | A kind of bogie |
| CN107697090B (en) * | 2017-09-26 | 2018-11-06 | 中车株洲电力机车有限公司 | A kind of bogie |
| CN108757903A (en) * | 2018-05-21 | 2018-11-06 | 王浩 | A kind of decelerating motor for new-energy automobile |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106382357B (en) | 2019-03-29 |
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