CN105346553B - A kind of rail locomotive and its wheel are to drive device - Google Patents
A kind of rail locomotive and its wheel are to drive device Download PDFInfo
- Publication number
- CN105346553B CN105346553B CN201510854864.4A CN201510854864A CN105346553B CN 105346553 B CN105346553 B CN 105346553B CN 201510854864 A CN201510854864 A CN 201510854864A CN 105346553 B CN105346553 B CN 105346553B
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- China
- Prior art keywords
- wheel
- suspension bearing
- ring
- axle suspension
- driving end
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F15/00—Axle-boxes
- B61F15/12—Axle-boxes with roller, needle, or ball bearings
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mounting Of Bearings Or Others (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention discloses a kind of wheel of rail locomotive to drive device, including to the axletree of attachment rail locomotive wheel；The two ends of axletree are respectively driving end and non-transmision end；The shaft shoulder is respectively arranged with the driving end and non-transmision end of axletree；Between driving end axle suspension bearing inner ring and non-transmision end axle suspension bearing inner ring, wheel axle-hang box is additionally provided with to drive device, driving end axle suspension bearing inner ring and non-transmision end axle suspension bearing inner ring, and the driving end sealing ring and non-transmision end sealing ring being connected with axle-hang box by fastener；It is additionally provided with to avoid the first locating ring of driving end axle suspension bearing roller stress between driving end axle suspension bearing inner ring and gear hub, the second locating ring for avoiding non-transmision end from seizing bearing roller stress is additionally provided between non-transmision end axle suspension bearing inner ring and axle neck.The invention also discloses it is a kind of including above-mentioned wheel to the rail locomotive of drive device.Above-mentioned wheel is to drive device, it is to avoid rolling bearing produces over-pressed phenomenon, so as to protect rolling axle suspension bearing.
Description
Technical field
The present invention relates to rail locomotive technical field, more particularly to a kind of wheel is to drive device.The invention further relates to one kind
With the wheel to the rail locomotive of drive device.
Background technology
With the fast development of China's economic construction, market increasingly increases for various types of wheels to the demand of drive device
Greatly.
Existing vehicle axle box assembling is generally by gear hub 09, driving end sealing ring 01, driving end axle suspension bearing 02, axle suspension bearing box
Body 03, non-transmision end axle suspension bearing 04, non-transmision end sealing ring 05, axle lead the composition such as 06 and adjusting pad；Such as the institute of Figure of description 1
Show.It is installation positioning datum with gear hub 09, then driving end sealing ring 01, driving end armful is installed successively when axle suspension bearing box is assembled
Bearing inner race, axle-hang box 03 (containing bearing outer ring), non-transmision end axle suspension bearing inner ring, non-transmision end sealing ring 05 and axle neck 06
Deng finally entering road wheel to press-fiting.
It is above-mentioned in the prior art, axle suspension bearing box assembling defect be：During wheelset fitting, due to wheelset fitting power very
Greatly, axle leads 06 magnitude of interference to be insufficiently resistant to pressure assembling force, so as to driving end axle suspension bearing 02 is killed, driving end is even damaged sometimes and is embraced
Bearing 02, while the adjustment to the clearance of driving end axle suspension bearing 02 brings very big difficulty.
Therefore, how to avoid killing or damaging non-transmision end axle suspension bearing is the skill that those skilled in the art need to solve at present
Art problem.
The content of the invention
It is an object of the invention to provide one kind wheel to drive device, the wheel can solve non-transmision end and seize to drive device
Hold overvoltage and cause its clearance to adjust inconvenient problem.Include above-mentioned wheel to driving it is a further object of the present invention to provide one kind
The rail locomotive of device.
To achieve the above object, the present invention provides a kind of wheel of rail locomotive to drive device, including to attachment rail
The axletree of the wheel of locomotive；The two ends of the axletree are respectively driving end and non-transmision end；The driving end and the non-biography
Moved end is respectively arranged with to realize the shaft shoulder of driving end axle suspension bearing inner ring and non-transmision end axle suspension bearing inner ring positioning；Positioned at described
Between driving end axle suspension bearing inner ring and the non-transmision end axle suspension bearing inner ring, it is described wheel axle suspension bearing box is additionally provided with to drive device
Body, driving end axle suspension bearing inner ring and the non-transmision end axle suspension bearing inner ring, and the biography being connected with axle-hang box by fastener
Moved end sealing ring and non-transmision end sealing ring；It is additionally provided between the driving end axle suspension bearing inner ring and the gear hub and is used to
The driving end axle suspension bearing is avoided to bear the first locating ring of axial force, the non-transmision end axle suspension bearing inner ring leads it with the axle
Between be additionally provided with the second locating ring for avoiding the non-transmision end axle suspension bearing from bearing axial force.
Preferably, the wheel is provided with and the close-fitting gear hub of driving end sealing ring to drive device；It is described
The driving end wheel to axle interference fit with the wheel is provided with the outside of gear hub.
Preferably, the wheel is provided with the axle neck being fixedly connected with the non-transmision end sealing ring to drive device, with reality
The existing axle neck forms dynamic sealing with the non-transmision end sealing ring；It is provided with the outside of the axle neck with the wheel to axle interference
The non-transmision end wheel of cooperation.
Preferably, it is additionally provided with adjusting pad between the non-transmision end sealing ring and the axle neck.
Preferably, the driving end axle suspension bearing inner ring and the non-transmision end axle suspension bearing inner ring have been respectively cooperating with driving end armful
Bearing outer ring and non-transmision end seize bearing outer-ring；Mounting hole positioned at the axle-hang box two ends is seized with the driving end respectively
Bearing outer-ring and the non-transmision end seize bearing outer-ring cooperation, to realize for the driving end seizing bearing outer-ring and the non-transmision end
Seize bearing outer-ring compression.
Preferably, the driving end axle suspension bearing is consistent with the size dimension of the non-transmision end axle suspension bearing.
Preferably, first locating ring is consistent with the size dimension of second locating ring.
Preferably, the driving end axle suspension bearing is consistent with the size dimension of the non-transmision end axle suspension bearing.
Preferably, thickness of the thickness of first locating ring less than the driving end axle suspension bearing inner ring.
The present invention also provides a kind of rail locomotive, including bogie and the wheel that be connected with the bogie are to driving dress
Put, the wheel is wheel described in above-mentioned any one to drive device to drive device.
Relative to above-mentioned background technology, to drive device, the two ends of its axletree are respectively transmission to wheel involved in the present invention
End and non-transmision end, driving end and non-transmision end be provided with the shaft shoulder, be used at the shaft shoulder fixed conveyor end axle suspension bearing inner ring and
Non-transmision end axle suspension bearing inner ring；Additionally, being additionally provided with driving end sealing ring on the outside of driving end axle suspension bearing inner ring, non-transmision end is embraced
Non-transmision end sealing ring is additionally provided with the outside of bearing inner race；Set between driving end axle suspension bearing inner ring and driving end sealing ring
There is the first locating ring, the second locating ring is provided between non-transmision end axle suspension bearing inner ring and non-transmision end sealing ring；Such one
Come, using the first locating ring and the positioning action of the second locating ring so that wheel is to the pressure assembling force of the wheel of drive device by the
One locating ring and/or the second locating ring and axle suspension bearing inner ring and act on the shaft shoulder, so, it is to avoid pressure assembling force effect
On bearing roller is seized, thus the over-pressed phenomenon of axle suspension bearing is avoided the occurrence of, so as to be effectively protected axle suspension bearing, and easily adjusted
The clearance of axle suspension bearing, reduces the labour intensity of manual assembly.
Wheel additionally, rail locomotive of the present invention including mentioned above to drive device, the rail locomotive it is beneficial
Effect is as described above, will not be described in great detail herein.
Brief description of the drawings
Fig. 1 is to take turns the structural representation to drive device in the prior art；
Structural representation of the wheel that Fig. 2 is provided by the embodiment of the present invention to drive device.
Wherein：
In Figure of description 1：It is gear hub 09, driving end sealing ring 01, driving end axle suspension bearing 02, axle-hang box 03, non-
Driving end axle suspension bearing 04, non-transmision end sealing ring 05, axle neck 06；
In Figure of description 2：Driving end axle suspension bearing 1, axle-hang box 2, driving end sealing ring 3, the first locating ring 4, tooth
Wheel hub 5, non-transmision end axle suspension bearing 6, the second locating ring 7, non-transmision end sealing ring 8, axle neck 9, adjusting pad 10, non-transmision end wheel
11st, driving end wheel 12.
Specific embodiment
Core of the invention is to provide a kind of wheel to drive device, and the wheel can avoid end axle suspension bearing from being pressed to drive device
Clearance that is dead and facilitating adjustable side axle suspension bearing；Another core of the invention be to provide it is a kind of including above-mentioned wheel to the rail of drive device
Road locomotive.
In order that those skilled in the art more fully understand the present invention program, below in conjunction with the accompanying drawings and specific implementation
The present invention is described in further detail for mode.
Refer to Fig. 1 and Fig. 2, Fig. 1 is to take turns the structural representation to drive device in the prior art；Fig. 2 is real for the present invention
Apply the structural representation of wheel that example provided to drive device.
To drive device, including axletree, the two ends of axletree are respectively driving end and non-to the wheel that the embodiment of the present invention is provided
Driving end；That is, the driving end of axletree is provided with gear hub 5, gear hub 5 is used to for outside power to be transferred to wheel to axle
On, so that driven wheel is rotated to the wheel of axle both sides；It will be apparent that the wheel at axle drive end is driving end wheel
12, wheel is non-transmision end wheel 11 to the wheel of axle non-transmision end.
As a rule, axletree is solid shafting, and uses 35CrMo (quenching and tempering steel) material；Additionally, driving end wheel 12
And non-transmision end wheel 11 can use casting wheel, the material of driving end wheel 12 and non-transmision end wheel 11 can
Depending on as needed；Certainly, wheel can also be decided according to the actual requirements to the material and size of axle, however it is not limited to this paper institutes
State.
For the driving end of axletree, axletree is provided with the shaft shoulder, to the inner ring of fixed conveyor end axle suspension bearing 1, and
The outside of the inner ring of driving end axle suspension bearing 1 sets the first locating ring 4, is brought into close contact with the first locating ring 4 and is provided with driving end sealing
Ring 3, the outside of driving end sealing ring 3 sets gear hub 5, and the outside of gear hub 5 is driving end wheel 12；That is, in wheel
At the driving end of axle, since the shaft shoulder, the inner ring of driving end axle suspension bearing 1, the first locating ring 4, transmission are provided with laterally successively
End sealing ring 3, gear hub 5 and driving end wheel 12.Also, the inner ring of driving end axle suspension bearing 1, the first locating ring 4 and driving end
The three of sealing ring 3 is brought into close contact.
Similar to the above, for taking turns for the non-transmision end of axle, wheel is provided with the shaft shoulder to axle, is used to fix non-drive
The end inner ring of axle suspension bearing 6, and second locating ring 7 is set in the outside of the inner ring of non-transmision end axle suspension bearing 6, it is tight with the second locating ring 7
Closely connected conjunction is provided with non-transmision end sealing ring 8, and the outside of non-transmision end sealing ring 8 sets axle neck 9, and the outside of axle neck 9 is non-biography
Moved end wheel 11；That is, at driving end of the wheel to axle, since the shaft shoulder, being provided with non-transmision end laterally successively and embracing
The inner ring of bearing 6, the second locating ring 7, non-transmision end sealing ring 8, axle lead 9 and non-transmision end sealing ring 8.Also, non-transmision end
The inner ring of axle suspension bearing 6, the second locating ring 7 and the three of non-transmision end sealing ring 8 are brought into close contact.
Herein, it is brought into close contact between axle neck 9 and non-transmision end sealing ring 8, so that axle neck 9 is sealed with non-transmision end
Dynamic sealing is formed between ring 8, to ensure the normal operation of the side associated components of non-transmision end wheel 11.
In an assembling process, on the basis of the shaft shoulder at axle drive end, the inner ring of driving end axle suspension bearing 1 is installed successively, is seized
Casing 2, driving end seize bearing outer-ring, driving end sealing ring 3, the first locating ring 4, gear hub 5, the inner ring of non-transmision end axle suspension bearing 6,
Non-transmision end seizes bearing outer-ring, the second locating ring 7, non-transmision end sealing ring 8 and axle and leads the parts such as 9.
Herein it should be noted that driving end axle suspension bearing 1 is included outside driving end axle suspension bearing inner ring and driving end axle suspension bearing
Circle；Non-transmision end axle suspension bearing 6 includes that non-transmision end axle suspension bearing inner ring and non-transmision end seize bearing outer-ring.Driving end axle suspension bearing 1
Inner ring and the inner ring of non-transmision end axle suspension bearing 6 are provided with roller, and driving end seizes bearing outer-ring and non-transmision end seizes bearing outer-ring
Without roller, and driving end seizes bearing outer-ring and non-transmision end is seized bearing outer-ring and incited somebody to action by the mounting hole at the two ends of axle-hang box 2
Above-mentioned two outer ring press-fits, so as to realize the installation of axle-hang box 2.
Additionally, in an assembling process, because the non-transmision end of axletree is also equipped with the shaft shoulder, therefore can be non-drive with axletree
On the basis of the shaft shoulder at end, the inner ring of non-transmision end axle suspension bearing 6, axle-hang box 2, the inner ring of driving end axle suspension bearing 1, driving end are installed successively
Seize bearing outer-ring, driving end sealing ring 3, the first locating ring 4, gear hub 5, non-transmision end seize bearing outer-ring, the second locating ring 7,
Non-transmision end sealing ring 8 and axle lead 9 grade parts.
Certainly, no matter using above-mentioned any mounting means, enter when to driving end wheel 12 and non-transmision end wheel 11
When row press-fits, pressure assembling force is seized by the first locating ring 4, the second locating ring 7, the inner ring of driving end axle suspension bearing 1 and non-transmision end
6 action of inner are held at the shaft shoulder of the wheel to axle, it is to avoid the damage of axle suspension bearing in installation process.Meanwhile, axle suspension bearing can be by non-
Gap between driving end sealing ring 8 and axle-hang box 2 is adjusted, so as to simplify axle suspension bearing clearance adjustment process and
Reduce manually-operated labour intensity.
Preferred herein, non-transmision end wheel 11 is interference fit with wheel with driving end wheel 12 to axle；That is, cooperation
Basic size is identical, and fit clearance is interference fit less than the cooperation of 0 (being negative value).By the way of interference fit so that
Non-transmision end wheel 11 and driving end wheel 12 can closely be arranged at wheel on axle, so as to realize that wheel drives non-biography to axle
Moved end wheel 11 and driving end wheel 12 normally run.
By Figure of description 2 as can be seen that non-transmision end sealing ring 8 and axle are additionally provided with adjusting pad 10 between leading 9, from
And the position of the associated components of axle non-transmision end is finely adjusted to that can be taken turns, so as to realize installing reliable purpose.
Certainly, driving end axle suspension bearing as herein described and non-transmision end axle suspension bearing, both can use same structure chi
Very little axle suspension bearing；That is, the inner ring of driving end axle suspension bearing 1 is consistent with the physical dimension of the inner ring of non-transmision end axle suspension bearing 6；Driving end is seized
Bearing outer-ring is consistent with the physical dimension that non-transmision end seizes bearing outer-ring, so so that driving end axle suspension bearing and non-transmision end
There is good interchangeability, consequently facilitating buying, management and maintenance between axle suspension bearing.
Additionally, according to actual needs, it be also consistent that the first locating ring 4 is set with the physical dimension of the second locating ring 7.That is,
Wheel is located at respectively consistent with the size dimension of the second locating ring 7 to the first locating ring 4 of axle driving end and non-transmision end, with convenient
Management and maintenance；Additionally, on the premise of driving end axle suspension bearing and non-transmision end axle suspension bearing are same axle suspension bearing, can be by the
The thickness of one locating ring 4 is set smaller than the thickness of driving end axle suspension bearing inner ring 1；That is, when the inner ring of driving end axle suspension bearing 1 and first
After locating ring 4 is installed, the inner ring of driving end axle suspension bearing 1 is higher than the first locating ring 4 so that what the first locating ring 4 can be consolidated
It is installed at driving end axle suspension bearing inner ring 1, so that the relative position between the first locating ring 4 and driving end axle suspension bearing inner ring 1
Put fixation.
Similar to the above, the thickness of the second locating ring 7 is set smaller than the thickness of non-transmision end axle suspension bearing inner ring 6；That is,
After the inner ring of non-transmision end axle suspension bearing 6 and the second locating ring 7 are installed, the inner ring of non-transmision end axle suspension bearing 6 is higher than the second positioning
Ring 7 so that what the second locating ring 7 can be consolidated is installed at the inner ring of non-transmision end axle suspension bearing 6, so that the second locating ring 7
Fixed with the relative position passed between the inner ring of non-transmision end axle suspension bearing 6.
A kind of rail locomotive provided by the present invention, including bogie and the wheel that is connected with bogie are to drive device,
The wheel is wheel described by above-mentioned specific embodiment to drive device to drive device；The other parts of rail locomotive can join
It is not reinflated herein according to prior art.
Additionally, herein it should be noted that in this manual, such as first and second or the like relational terms are only
For an entity and another entity are made a distinction, and not necessarily require or imply between these entities exist it is any this
Plant actual relation or order.
Rail locomotive provided by the present invention and its wheel are described in detail to drive device above.It is used herein
Specific case is set forth to principle of the invention and implementation method, and the explanation of above example is only intended to help and understands
The method of the present invention and its core concept.It should be pointed out that for those skilled in the art, not departing from this
On the premise of inventive principle, some improvement and modification can also be carried out to the present invention, these are improved and modification also falls into the present invention
In scope of the claims.
Claims (10)
1. a kind of wheel of rail locomotive is to drive device, including to the axletree of attachment rail locomotive wheel；The two of the axletree
End is respectively driving end and non-transmision end；The driving end and the non-transmision end are respectively arranged with to realize that driving end is embraced
The shaft shoulder of bearing (1) inner ring and non-transmision end axle suspension bearing (6) inner ring positioning；Positioned at driving end axle suspension bearing (1) inner ring and institute
State between non-transmision end axle suspension bearing (6) inner ring, the wheel is additionally provided with axle-hang box (2) to drive device, it is characterised in that institute
State driving end axle suspension bearing (1) outer ring and non-transmision end axle suspension bearing (6) outer ring and axle-hang box (2) is arranged on by interference mode
In the cavity at two ends, driving end axle suspension bearing (1) inner ring and non-transmision end axle suspension bearing (6) inner ring are solid by interference mode
Be scheduled on axletree, the axle-hang box (2) by fastener respectively with driving end sealing ring (3) and non-transmision end sealing ring
(8) it is connected；It is additionally provided with to avoid the driving end from seizing between driving end axle suspension bearing (1) inner ring and gear hub (5)
First locating ring (4) of (1) by axial force is held, is additionally provided with to keep away between the non-transmision end axle suspension bearing (6) and axle neck (9)
Exempt from second locating ring (7) of the non-transmision end axle suspension bearing (6) by axial force.
2. it is according to claim 1 wheel to drive device, it is characterised in that the wheel drive device is provided with it is described
Driving end sealing ring (3) close-fitting gear hub (5)；It is provided with and axletree interference fit on the outside of the gear hub (5)
Driving end wheel (12).
3. it is according to claim 1 and 2 wheel to drive device, it is characterised in that the wheel drive device is provided with
Axle neck (9) that the non-transmision end sealing ring (8) is fixedly connected, to realize axle neck (9) and the non-transmision end sealing ring
(8) dynamic sealing is formed；The non-transmision end wheel (11) with axletree interference fit is provided with the outside of axle neck (9).
4. it is according to claim 3 wheel to drive device, it is characterised in that the non-transmision end sealing ring (8) with it is described
Adjusting pad (10) is additionally provided between axle neck (9).
5. wheel according to claim 4 is to drive device, it is characterised in that driving end axle suspension bearing (1) inner ring and institute
State non-transmision end axle suspension bearing (6) inner ring and be respectively cooperating with that driving end seizes bearing outer-ring and non-transmision end seizes bearing outer-ring；Positioned at institute
The mounting hole for stating axle-hang box (2) two ends seizes bearing outer-ring and the non-transmision end seizes bearing outer-ring and matches somebody with somebody with the driving end respectively
Close, to realize for the driving end seizing bearing outer-ring and the non-transmision end seizes bearing outer-ring and compresses.
6. wheel according to claim 5 is to drive device, it is characterised in that the driving end axle suspension bearing and described non-drive
Hold the size dimension of axle suspension bearing consistent.
7. wheel according to claim 1 and 2 is to drive device, it is characterised in that first locating ring (4) and described the
The size dimension of two locating rings (7) is consistent.
8. wheel according to claim 7 is to drive device, it is characterised in that the driving end axle suspension bearing and described non-drive
Hold the size dimension of axle suspension bearing consistent.
9. wheel according to claim 8 is to drive device, it is characterised in that the thickness of first locating ring (4) is less than
The thickness of driving end axle suspension bearing (1) inner ring.
10. a kind of rail locomotive, including bogie and the wheel that is connected with the bogie are to drive device, it is characterised in that
It is described wheel to drive device be claim 1 to 9 any one described in wheel to drive device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510854864.4A CN105346553B (en) | 2015-11-30 | 2015-11-30 | A kind of rail locomotive and its wheel are to drive device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510854864.4A CN105346553B (en) | 2015-11-30 | 2015-11-30 | A kind of rail locomotive and its wheel are to drive device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105346553A CN105346553A (en) | 2016-02-24 |
| CN105346553B true CN105346553B (en) | 2017-06-30 |
Family
ID=55322673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510854864.4A Active CN105346553B (en) | 2015-11-30 | 2015-11-30 | A kind of rail locomotive and its wheel are to drive device |
Country Status (1)
| Country | Link |
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| CA2095552A1 (en) * | 1993-05-05 | 1994-11-06 | Stephen Popovits | Method of Converting Traction Motor Suspension System |
| JP2007100921A (en) * | 2005-10-07 | 2007-04-19 | Nsk Ltd | Rolling bearing |
| CN102673575A (en) * | 2012-05-29 | 2012-09-19 | 南车株洲电力机车有限公司 | Wheelset drive system and steering frame using same |
| CN202593544U (en) * | 2012-04-16 | 2012-12-12 | 南车株洲电力机车有限公司 | Axle suspension box of locomotive |
| CN203381635U (en) * | 2013-07-03 | 2014-01-08 | 中国北车集团大连机车车辆有限公司 | Locomotive axle suspension bearing box assembly suitable for various track gauges |
| CN103693050A (en) * | 2014-01-10 | 2014-04-02 | 南车株洲电力机车有限公司 | Narrow-rail steering frame driving device |
| CN103879427A (en) * | 2012-12-20 | 2014-06-25 | 长春轨道客车装备有限责任公司 | Axle-hung box, axle-hung box unit and urban rail vehicle |
| CN104527661A (en) * | 2014-12-15 | 2015-04-22 | 南车青岛四方机车车辆股份有限公司 | Bogie wheel set driving system and bogie with same |
-
2015
- 2015-11-30 CN CN201510854864.4A patent/CN105346553B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2095552A1 (en) * | 1993-05-05 | 1994-11-06 | Stephen Popovits | Method of Converting Traction Motor Suspension System |
| JP2007100921A (en) * | 2005-10-07 | 2007-04-19 | Nsk Ltd | Rolling bearing |
| CN202593544U (en) * | 2012-04-16 | 2012-12-12 | 南车株洲电力机车有限公司 | Axle suspension box of locomotive |
| CN102673575A (en) * | 2012-05-29 | 2012-09-19 | 南车株洲电力机车有限公司 | Wheelset drive system and steering frame using same |
| CN103879427A (en) * | 2012-12-20 | 2014-06-25 | 长春轨道客车装备有限责任公司 | Axle-hung box, axle-hung box unit and urban rail vehicle |
| CN203381635U (en) * | 2013-07-03 | 2014-01-08 | 中国北车集团大连机车车辆有限公司 | Locomotive axle suspension bearing box assembly suitable for various track gauges |
| CN103693050A (en) * | 2014-01-10 | 2014-04-02 | 南车株洲电力机车有限公司 | Narrow-rail steering frame driving device |
| CN104527661A (en) * | 2014-12-15 | 2015-04-22 | 南车青岛四方机车车辆股份有限公司 | Bogie wheel set driving system and bogie with same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105346553A (en) | 2016-02-24 |
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