CN106382357B - The positioning of frame suspension type carrier gear axle box bearing and lubrication sealing structure - Google Patents
The positioning of frame suspension type carrier gear axle box bearing and lubrication sealing structure Download PDFInfo
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- CN106382357B CN106382357B CN201610926985.XA CN201610926985A CN106382357B CN 106382357 B CN106382357 B CN 106382357B CN 201610926985 A CN201610926985 A CN 201610926985A CN 106382357 B CN106382357 B CN 106382357B
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- chamber
- gear housing
- bearing
- cylindrical bearing
- gear
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Classifications
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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
- F16H57/021—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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
Abstract
A kind of positioning of frame suspension type carrier gear axle box bearing and lubrication sealing structure, including the six bar mechanism hollow shaft inside gear housing is connect and passed through with wheel, which connects canine tooth core wheel by the six-bar linkage with rubber arthrosis, geardrive disk.It is supported on the bearing block being installed on gear housing by the first and second cylindrical bearing respectively on the outside of canine tooth core wheel both ends；Geardrive disk is fixed on canine tooth core wheel through end tooth and bolt, compresses the first sealing ring by the bolt pin in geardrive disk and realizes the first cylindrical bearing axially position；Oil inlet passage, drainback passage and oil baffle are set on gear housing and bearing block and realize the oil lubrication of the first and second cylindrical bearing and the sealing of gear housing；Gear housing two sides lubricating oil by flowing back into gear housing inner cavity after the first, second and third labyrinth chamber, the first, second and third drainback passage and intermediate buffering chamber, final cushion chamber indirectly.
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
Take turns positioning and the lubrication sealing structure of axle box bearing.
Background technique
Passenger locomotive (or power car) driving device is substantially all using frame suspension type, and gear-box is generally bearing construction.
The traction electric machine output end of frame suspension type driving device is directly connect with the pinion shaft for the pinion gear being set in bearing-type gear-box,
Pinion gear and the gear wheel external toothing being similarly positioned in bearing-type gear-box, canine tooth core wheel pass through geardrive disk and six-bar linkage machine
The hollow axis connection of structure, six bar mechanism hollow shaft are connect by six-bar linkage with wheel.
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 the technologies such as oil lubrication, but carrier gear axle box bearing positioning and lubrication it is close
Seal structure is not finalized always.
Summary of the invention
The technical problem to be solved by the present invention is in view of the shortcomings of the prior art, provide a kind of in guarantee frame suspension type driving
While device effectively transmits traction/braking force, guarantee 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 EMU pair
The high reliability request of drive system.
In order to solve the above technical problems, the technical solution adopted by the present invention is that: a kind of frame suspension type carrier gear axle box bearing
Positioning and lubrication sealing structure, including the six bar mechanism hollow shaft inside gear housing is connect and passed through with wheel, six company
Linkage hollow shaft connects the canine tooth core wheel of gear wheel by the six-bar linkage with rubber arthrosis with geardrive disk, and feature exists
In,
It is supported on by the first cylindrical bearing and the second cylindrical bearing respectively on the outside of canine tooth core wheel both ends and is installed on gear-box
On bearing block on body；
End tooth is set between canine tooth core wheel and geardrive disk, and geardrive disk is fixed on by canine tooth core wheel by bolt；
The first sealing ring is arranged in the outside of first cylindrical bearing, and the outside of the second cylindrical bearing is arranged the second sealing ring, leads to
The bolt pin crossed in geardrive disk compresses the axially position that the first sealing ring realizes the first cylindrical bearing, and the second cylindrical bearing is straight
It connects and realizes axially position by the way of the second sealing ring interference, blending bolt, which locks the second sealing ring, fixes；
Oil baffle is set above the inner wall of gear housing, and the front and back ends inside upper part of gear housing is respectively set first
Oil trap, the first oil inlet passage with the first oil sump, the bearing block top of the first cylindrical bearing and the second cylindrical bearing
The second oil trap, the second oil inlet passage with the second oil sump is respectively set；First sealing ring, the second sealing ring wrap respectively
Include sequential communication from inside to outside and first of labyrinth chamber independent of each other, second labyrinth chamber and third road labyrinth chamber, the first circle
Axis of a cylinder is held is respectively set the first oil return being connected to first of labyrinth chamber with the bearing block lower part of the second cylindrical bearing from inside to outside
Channel, the second drainback passage being connected to second labyrinth chamber, the third drainback passage being connected to third road labyrinth chamber；Gear-box
The front and back ends lower inside of body is respectively set three not in same level but similar be connected to the first drainback passage of structure
One intermediate buffering chamber, among the second intermediate buffering chamber of the second drainback passage connection, the third that is communicated with third drainback passage
Cushion chamber；Final cushion chamber, the first intermediate buffering chamber, the second intermediate buffering chamber, third is arranged in the front and back ends bottom of gear housing
Intermediate buffering chamber is connected to final cushion chamber respectively, and it is logical that gear-box bottom is arranged between final cushion chamber and the inner cavity of gear housing
Via hole.
Breather is set at the final cushion chamber of gear housing two sides.
Anti- gas hood is arranged in the outside of first sealing ring.
The pressing plate with limiting slot is arranged in the outside of bolt pin, and is connect pressing plate with geardrive disk with the second bolt.
Oil filler is set on first oil inlet passage.
Compared with traditional six bar mechanism Hollow Shaft Transmission gear-box, the invention has the characteristics that:
1, the canine tooth core wheel both ends of gear housing of the present invention are supported on by the first and second cylindrical bearing is installed on gear housing
Bearing block on, geardrive disk and canine tooth core wheel realize torque transfer by end tooth+bolt structure, improve hollow shaft biography
The maintainability of dynamic device.
2, the inner ring positioning of first cylindrical bearing of six-bar linkage side (wheel side) uses bolt pin+pressure using geardrive disk
The structure of plate also ensures the axially position high reliability of bearing while guaranteeing the positive connection of drive plate and the gear heart.
3, by the way that oil inlet passage (the first and second oil inlet passage), drainback passage (the are arranged on gear housing and bearing block
One, two, three drainback passage) and oil baffle realize the first and second cylindrical bearing oil lubrication and gear housing sealing, improve
The reliability and service life of transmission system.
4, the first and second cylindrical bearing of gear housing two sides lubricating oil is not passed straight back to gear housing, but by additional
Complications and be isolated from each other the first, second and third labyrinth chamber, the first, second and third drainback passage and intermediate buffering chamber, final buffering
Gear housing inner cavity is flowed back into after chamber indirectly, to reduce final cushion chamber internal pressure, at the final cushion chamber of gear housing
One or both sides install breather, solve the sealing performance of gear-box.
5, it installs the anti-gas hood with labyrinth seal function additional on the outside of the first sealing ring of gear housing six-bar linkage side, can subtract
The suction function of few six-bar linkage.
Detailed description of the invention
Fig. 1: bearing-type box bearing positioning of the present invention and lubrication system schematic diagram.
Fig. 2: Fig. 1 A-A cross-sectional view.B-B in Fig. 2 indicates the projecting direction of Fig. 1.
Fig. 3: Fig. 2 C-C cross-sectional view.
Specific embodiment
As shown in Figure 1 and Figure 2, one embodiment of positioning and lubrication sealing structure of frame suspension type carrier gear axle box bearing of the present invention
Gear housing 1 including middle part installation six bar mechanism hollow shaft 23, the six bar mechanism hollow shaft 23 in gear housing 1
Pass through geardrive disk 21, the canine tooth core wheel 251 of the connection installation gear wheel 25 of six-bar linkage (adding rubber arthrosis) 24, six bar mechanism
Hollow shaft 23 is connect by six-bar linkage with wheel, realizes the transmitting of gear torque.
251 both ends of canine tooth core wheel 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 cabinet 1.The first threaded hole, the inner end of geardrive disk 21 is arranged in the outer end face inner ring of geardrive disk 21
End tooth 8 is set between face and canine tooth core wheel 251, and geardrive disk 21, end tooth 8 are by being screw-locked at the first spiral shell of the first threaded hole
Bolt 22 is locked in canine tooth core wheel 251.
The first sealing ring 261, the second sealing of outside setting of the second cylindrical bearing 10 is arranged in the outside of first cylindrical bearing 9
Ring 262.Since geardrive disk 21 and canine tooth core wheel 251 connects by end tooth 8 and bolt 22, for space structure limitation with can
Maintainability, positioned at six-bar linkage side the first cylindrical bearing 9 axially position cannot by the way of 261 interference of the first sealing ring,
But the second threaded hole is set on the outside of the end face of geardrive disk 21, first is compressed using 4 one group total 3 groups of bolt pins 7
Sealing ring 261 realizes the axially position of the first cylindrical bearing 9, and the second cylindrical bearing 10 for being located at non-six-bar linkage side is then directly adopted
Axially position is realized with the mode of 262 interference of the second sealing ring, and blending bolt, which locks the second sealing ring 262, to be positioned.For
It prevents bolt pin 7 from loosening, bolt pin 7 is pushed down using the pressing plate 6 for having limiting slot, 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, oil baffle 2 is set above the inner wall of gear housing 1, and on the inside of the front and back ends of gear housing 1
The first oil inlet passage 27 that top is respectively set the first oil trap 3, is connected to oil trap 3 is also set up on first oil inlet passage 27
There is an oil filler 28 for facilitating external dressing, 4 top of bearing block of the first cylindrical bearing 9 and the second cylindrical bearing 10 is respectively set
Two oil traps 29, the second oil inlet passage 30 being connected to the second oil trap 29.First sealing ring 261, the second sealing ring 262 difference
Including sequential communication from inside to outside and first of labyrinth chamber 15 independent of each other, second labyrinth chamber 13 and third road labyrinth chamber
12.4 lower part of bearing block of first cylindrical bearing 9 and the second cylindrical bearing 10 be respectively set from inside to outside the first drainback passage 16,
Second drainback passage 141, third drainback passage 142.The front and back ends lower inside of gear housing 1 is respectively set three not same
One level but the similar first intermediate buffering chamber 171 of structure, the second intermediate buffering chamber 172, third intermediate buffering chamber 173 and it is located at
The final cushion chamber 19 of the front and back ends bottom of gear housing 1, first of 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 be connected to the second intermediate buffering chamber 172, third road labyrinth chamber
12 through third drainback passage 142 be connected to third intermediate buffering chamber 173, the first intermediate buffering chamber 171, the second intermediate buffering chamber 172,
Third intermediate buffering chamber 173 is connected to final cushion chamber 19 respectively, is arranged between final cushion chamber 19 and the inner cavity of gear housing 1
Gear-box bottom through hole 20.Lubricating oil is stirred in the rotation of gear wheel 25, and the oil baffle 2 by being arranged in gear housing 1
Lubricating oil is brought into the first oil trap 3 being arranged on the inside of 1 both ends of gear housing, then passes through the first oil inlet passage 27, second respectively
Oil trap 29, the second oil inlet passage 30 enter in the bearing chamber 31 of the first cylindrical bearing 9 and 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
Enter first of labyrinth chamber 15 behind room 31, most of lubricating oil flows back into the first intermediate buffering chamber by the first drainback passage 16
171, final cushion chamber 19 is finally flowed back into, then the inner cavity for entering gear housing 1 through gear-box bottom through hole 20 is recycled.
Second intermediate buffering chamber 172 is flowed back by the second drainback passage 141 after a small amount of lubricating oil arrival second labyrinth chamber 13, finally
Final cushion chamber 19 is flowed back into, then the inner cavity for entering gear housing 1 through gear-box bottom through hole 20 is recycled.Minute quantity profit
Third intermediate buffering chamber 173 is flowed back by third drainback passage 142 after lubricating oil arrival third road labyrinth chamber 12, is finally flowed back into
Final cushion chamber 19, then the inner cavity for entering gear housing 1 through gear-box bottom through hole 20 are recycled.
As shown in Figure 1 and Figure 2, in order to reduce by 19 pressure of final cushion chamber in gear housing 1, in 1 two sides of gear housing
A certain number of breathers 18 have been installed additional at final cushion chamber 19, to facilitate lubricating oil to flow back into the inner cavity circulation of gear housing 1
It uses.
As shown in Fig. 2, in order to reduce swabbing action of the negative pressure to gear housing 1 that six-bar linkage rotates generation, it is close in labyrinth
The anti-gas hood 11 of labyrinth seal function is increased on the outside of envelope.
Claims (4)
1. positioning and the lubrication sealing structure of a kind of frame suspension type carrier gear axle box bearing, including connect with wheel and pass through gear-box
The internal six bar mechanism hollow shaft (23) of body (1), the six bar mechanism hollow shaft (23) pass through the six-bar linkage with rubber arthrosis
(24) and geardrive disk (21) connection gear wheel (25) canine tooth core wheel (251), which is characterized in that
Installation is supported on by the first cylindrical bearing (9) and the second cylindrical bearing (10) respectively on the outside of canine tooth core wheel (251) both ends
In on the bearing block (4) on gear housing (1)；
End tooth (8) are set between canine tooth core wheel (251) and geardrive disk (21), and are fixed on geardrive disk greatly by bolt
The gear heart；
The first sealing ring (261) are arranged in the outside of first cylindrical bearing, and the second sealing ring is arranged in the outside of the second cylindrical bearing
(262), the axial direction that the first sealing ring realizes the first cylindrical bearing is compressed by the multiple bolt pins (7) being arranged in geardrive disk
Positioning, while the pressing plate (6) with limiting slot is set in the outside of multiple bolt pins, blending bolt connects pressing plate and geardrive disk
It connects, the mode that the second cylindrical bearing (10) directlys adopt the second sealing ring interference realizes that axially position, blending bolt are close by second
Seal ring lock is fixed；
Oil baffle (2) are set above the inner wall of gear housing, and the first collection is respectively set in the front and back ends inside upper part of gear housing
Oil groove (3), the first oil inlet passage (27) with the first oil sump, the bearing block of the first cylindrical bearing and the second cylindrical bearing
The second oil trap (29), the second oil inlet passage (30) with the second oil sump is respectively set in top；First sealing ring, second
Sealing ring respectively include sequential communication from inside to outside and first of labyrinth chamber independent of each other (15), second labyrinth chamber (13) and
The bearing block lower part of third road labyrinth chamber (12), the first cylindrical bearing and the second cylindrical bearing is respectively set and first from inside to outside
The first drainback passage (16) of road labyrinth chamber connection, the second drainback passage (141) being connected to second labyrinth chamber and third road
The third drainback passage (142) of labyrinth chamber connection；The front and back ends lower inside of gear housing is respectively set three not in same layer
Face but similar the first intermediate buffering chamber (171) being connected to the first drainback passage of structure, be connected to the second drainback passage
Two intermediate buffering chambers (172), the third intermediate buffering chamber (173) communicated with third drainback passage；The front and back ends bottom of gear housing
Final cushion chamber (19) is arranged in portion, and the first intermediate buffering chamber, the second intermediate buffering chamber, third intermediate buffering chamber delay with final respectively
Chamber connection is rushed, gear-box bottom through hole (20) are set between final cushion chamber and the inner cavity of gear housing.
2. positioning and the lubrication sealing structure of frame suspension type carrier gear axle box bearing according to claim 1, which is characterized in that
Breather (18) are set at the final cushion chamber of gear housing two sides.
3. positioning and the lubrication sealing structure of frame suspension type carrier gear axle box bearing according to claim 1, which is characterized in that
Anti- gas hood (11) is arranged in the outside of first sealing ring.
4. positioning and the lubrication sealing structure of frame suspension type carrier gear axle box bearing according to claim 1, which is characterized in that
Oil filler (28) are set on first oil inlet passage (27).
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 CN106382357A (en) | 2017-02-08 |
| CN106382357B true CN106382357B (en) | 2019-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| 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 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN107023651B (en) * | 2017-06-13 | 2019-03-29 | 中车株洲电力机车有限公司 | A kind of gear-box dynamic sealing and oil-returning structure |
| CN107697090B (en) * | 2017-09-26 | 2018-11-06 | 中车株洲电力机车有限公司 | A kind of bogie |
| CN108757903B (en) * | 2018-05-21 | 2019-10-15 | 江苏微特利电机股份有限公司 | A kind of decelerating motor for new-energy automobile |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4220754C2 (en) * | 1992-06-24 | 1998-04-16 | Abb Daimler Benz Transp | Gearboxes for drives for rail locomotives |
| JPH11182655A (en) * | 1997-12-17 | 1999-07-06 | Mitsubishi Motors Corp | Lubrication structure of final reduction gear unit |
| DE19831208C1 (en) * | 1998-07-04 | 1999-05-06 | Abb Daimler Benz Transp | Shaft seal for motor vehicle transmission casing |
| CN100408402C (en) * | 2003-06-03 | 2008-08-06 | 南车戚墅堰机车车辆工艺研究所有限公司 | Airproof equipment for power driven gear case of high speed train |
| CN101973277B (en) * | 2010-11-09 | 2012-06-06 | 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 |
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2016
- 2016-10-31 CN CN201610926985.XA patent/CN106382357B/en active Active
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