CN106195127A - Gear-box and rail vehicle - Google Patents
Gear-box and rail vehicle Download PDFInfo
- Publication number
- CN106195127A CN106195127A CN201510229642.3A CN201510229642A CN106195127A CN 106195127 A CN106195127 A CN 106195127A CN 201510229642 A CN201510229642 A CN 201510229642A CN 106195127 A CN106195127 A CN 106195127A
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- gear
- box
- bearing
- oil
- housing
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Abstract
The present invention provides a kind of gear-box and rail vehicle, and wherein gear-box includes: housing；Output shaft, is arranged in the housing, and output shaft is connected with housing into rotation by clutch shaft bearing, and output shaft is arranged with driven gear；Power shaft, arrange in the housing, power shaft is connected with housing into rotation by the second bearing, driving gear it is arranged with on power shaft, driving gear is meshed with driven gear, second bearing is provided with oil trap, oil sump and pipeline, pipeline communication is passed through between oil trap and oil sump, oil trap is for collecting the lubricating oil between driving gear and driven gear, oil trap and oil sump in the vertical direction have difference in height, so that lubricating oil can be flowed to oil sump by oil trap, oil sump is provided with opening, opening is arranged on the contact surface of the second bearing and power shaft, so that lubricating oil can be flowed between the second bearing and power shaft by opening by oil sump.The present invention can reduce the manufacture difficulty of casing.
Description
Technical field
The present invention relates to railway vehicle device technology, particularly relate to a kind of gear-box and rail vehicle.
Background technology
High speed motor car gear-box is the vitals of EMUs driving means, and power truck passes through
It makes the torque axis of traction electric machine turn to the torque on wheel, utilizes and sticks together effect between wheel track,
Vehicle is driven to run along track.
Existing high speed motor car gear-box includes casing, is provided with oil trap, due to oil-collecting in casing
Groove is arranged on the wall of box house, it is therefore desirable to is integrally cast with casing, thus causes
The problems such as body structure is complicated, casting difficulty is big, castability is difficult to ensure that.
Summary of the invention
The present invention provides a kind of gear-box and rail vehicle, to reduce the manufacture difficulty of casing.
One aspect of the present invention provides a kind of gear-box, including:
Housing；
Output shaft, is arranged in described housing, and described output shaft is by clutch shaft bearing and described housing
It is rotationally connected, described output shaft is arranged with driven gear；
Power shaft, is arranged in described housing, and described power shaft is by the second bearing and described housing
It is rotationally connected, described power shaft is arranged with driving gear, described driving gear and described driven tooth
Wheel is meshed, and described second bearing is provided with oil trap, oil sump and pipeline, described oil trap and described
By described pipeline communication between oil sump, described oil trap is used for collecting described driving gear and described
Lubricating oil between driven gear, described oil trap and described oil sump in the vertical direction have height
Difference, so that described lubricating oil can be flowed to described oil sump by described oil trap, described oil sump is provided with out
Mouthful, described opening is arranged on the contact surface of described second bearing and described power shaft, so that described
Lubricating oil can be flowed into described second bearing and described input by described oil sump by described opening
Between axle.
Another aspect of the present invention provides a kind of rail vehicle, including gear-box provided by the present invention.
Based on above-mentioned, the gear-box of present invention offer and rail vehicle, drive driven at driving gear
During pinion rotation, the lubricating oil between driving gear and driven gear can be brought to the second axle
Being collected in the oil trap held, the lubricating oil being collected afterwards can flow in oil sump by pipeline,
Lubricating oil in oil sump can be flowed between the second bearing and power shaft by opening, to second subsequently
Bearing and power shaft are lubricated.Owing to oil trap, oil sump and pipeline are arranged on the second bearing,
Therefore the prior art being integrally cast compared to oil trap and housing, simplifies the knot of casing
Structure, reduces the manufacture difficulty of casing, simultaneously as without arranging oil trap again on casing, because of
This rigidity that improve casing and intensity.
Accompanying drawing explanation
The structural representation of a kind of gear-box that Fig. 1 provides for the embodiment of the present invention；
Fig. 2 is the A-A profile in Fig. 1；
Fig. 3 is the B-B profile in Fig. 1；
Fig. 4 is the partial structurtes schematic diagram in Fig. 3.
Reference:
201: housing；202: output shaft；203: clutch shaft bearing；
204: driven gear；205: power shaft；206: the second bearings；
207: driving gear；208: oil trap；209: oil sump；
210: pipeline；211: upper box；212: lower box；
213: joint face；214:C type support；215: crown gear coupling.
Detailed description of the invention
Refer to Fig. 1-4, the embodiment of the present invention provides a kind of gear-box, including: housing 201；Defeated
Shaft 202, is arranged in described housing 201, and described output shaft 202 is by clutch shaft bearing 203
It is rotationally connected with described housing 201, described output shaft 202 is arranged with driven gear 204；Defeated
Entering axle 205, be arranged in described housing 201, described power shaft 205 is by the second bearing 206
It is rotationally connected with described housing 201, described power shaft 205 is arranged with driving gear 207, institute
Stating driving gear 207 to be meshed with described driven gear 204, described second bearing 206 is provided with collection
Oil groove 208, oil sump 209 and pipeline 210, between described oil trap 208 and described oil sump 209
Being connected by described pipeline 210, described oil trap 208 is used for collecting described driving gear 207 He
Lubricating oil between described driven gear 204, described oil trap 208 and described oil sump 209 are perpendicular
Nogata upwards has difference in height, so that described lubricating oil can be flowed to described by described oil trap 208
Oil sump 209, described oil sump 209 is provided with opening, and described opening is arranged on described second bearing 206
With on the contact surface of described power shaft 205 so that described lubricating oil can be led to by described oil sump 209
Cross described opening to be flowed between described second bearing 206 and described power shaft 205.
In the present embodiment, when driving gear 207 drives driven gear 204 to rotate, driving gear
Lubricating oil between 207 and driven gear 204 can be brought to the oil trap 208 of the second bearing 206
In be collected, the lubricating oil being collected afterwards can flow in oil sump 209 by pipeline 210, with
Lubricating oil in rear oil sump 209 can by opening be flowed into the second bearing 206 and power shaft 205 it
Between, the second bearing 206 and power shaft 205 are lubricated (direction of arrow in Fig. 4 for lubrication
The flow direction of oil).Owing to oil trap 208, oil sump 209 and pipeline 210 are arranged at the second bearing
On 206, the prior art being therefore integrally cast compared to oil trap 208 and housing 201,
Simplify the structure of casing, reduce the manufacture difficulty of casing, simultaneously as without again on casing
Oil trap 208 is set, therefore improves rigidity and the intensity of casing.
In the present embodiment, it is preferred that described oil trap 208 is arranged on described second bearing 206
Top, described oil sump 209 is arranged on the bottom of described second bearing 206.Due to oil trap 208
It is arranged on the top of described second bearing 206, is therefore easy to driving gear 207 and driven gear
Lubricating oil between 204 is collected, simultaneously as oil sump 209 is arranged on described second bearing
The bottom of 206, therefore makes oil trap 208 and oil sump 209 in the vertical direction have enough height
It is poor to spend, and therefore makes lubricating oil more smoothly when being flowed to oil sump 209 by oil trap 208.
In the present embodiment, it is preferred that driven gear 204 and output shaft 202 use adopting conical surface interference to join
Close, the most beneficially driven gear 204 and the assembling of output shaft 202, make driven gear 204 and defeated
The operation of shaft 202 is the most reliable, stable.
In the present embodiment, it is preferred that housing 201 connected by upper box 211 and lower box 212 and
Becoming, described clutch shaft bearing 203 is connected with described lower box 212, described second bearing 206 and institute
State upper box 211 to connect, the joint face 213 of described upper box 211 and described lower box 212 with
Horizontal plane shape is in angle of 45 degrees.Joint face 213 due to upper box 211 with described lower box 212
With horizontal plane shape in angle of 45 degrees, therefore can make upper box 211 and lower box 212 installation and
Position more convenient.
In the present embodiment, it is preferred that clutch shaft bearing 203 is arranged at described joint face 213, institute
State clutch shaft bearing 203 to be connected with upper box 211 and lower box 212 respectively, described clutch shaft bearing 203
Axis be positioned in the plane at described joint face 213 place.Thus, the assembling of gear-box can be facilitated.
In the present embodiment, it is preferred that be coated with fluid sealant on joint face 213.Thus it can be prevented that
Oil leak in housing 201.
In the present embodiment, it is preferred that housing 201 is connected with the first end of C-shaped support 214, institute
The second end stating C-shaped support 214 is provided with rubber nodal point, and described C-shaped support 214 is for by institute
Stating rubber nodal point to be connected with rail vehicle with fixing described gear-box, described C-shaped support 214 is E
Level cast steel casting forms.Owing to C-shaped support 214 forms for E level cast steel casting, therefore make c-type
The processing and manufacturing of support 214 is the simplest；Additionally use rubber nodal point can play damping effect, from
And prevent the vibration of vehicle from gear-box is caused damage.
In the present embodiment, it is preferred that driving gear 207 and the gear ratio of described driven gear 204
Scope is 2.4-3.8.Thus, gear-box can be enable to use on major part rail vehicle.
In the present embodiment, it is preferred that the end of power shaft 205 is defeated with crown gear coupling 215
Going out end to connect, the input of described crown gear coupling 215 is for being connected with the outfan of motor.
Owing to power shaft 205 is connected with the outfan of motor by drum-shaped tooth type shaft coupling such that it is able to carry
The attachment structure of high power shaft 205 and motor radially, axially and the deviation compensation of the axis such as angular
Ability, the attachment structure making power shaft 205 and motor is the compactest, the radius of gyration is less, carrying
Ability is bigger, transmission efficiency is higher, noise is lower, maintenance cycle is longer.
In the present embodiment, it is preferred that housing 201 uses cast aluminium 114 cast to form.Due to
The density of cast aluminium 114 material is low, damping good, therefore, it is possible to make housing 201 well absorb tooth
The vibration produced in roller box running, and it is beneficial to realize the lightweight of housing 201.
The embodiment of the present invention provides a kind of rail vehicle, including the tooth described in any embodiment of the present invention
Roller box.
In the present embodiment, when rail vehicle runs, driving gear 207 drives driven gear 204
Rotating, the lubricating oil between driving gear 207 and driven gear 204 can be brought to the second bearing 206
Oil trap 208 in be collected, the lubricating oil being collected afterwards can flow into oil by pipeline 210
In pond 209, subsequently the lubricating oil in oil sump 209 can by opening be flowed into the second bearing 206 with
Between power shaft 205, the second bearing 206 and power shaft 205 are lubricated.Due to oil trap
208, oil sump 209 and pipeline 210 are arranged on the second bearing 206, therefore compared to oil-collecting
The prior art that groove 208 and housing 201 are integrally cast, simplifies the structure of casing, reduces
Manufacture difficulty, simultaneously as without arranging oil trap 208 again on casing, therefore improve case
The rigidity of body and intensity.
Last it is noted that various embodiments above is only in order to illustrate technical scheme, and
Non-to its restriction；Although the present invention being described in detail with reference to foregoing embodiments, ability
The those of ordinary skill in territory is it is understood that it still can be to the technology described in foregoing embodiments
Scheme is modified, or the most some or all of technical characteristic is carried out equivalent；And this
A little amendments or replacement, do not make the essence of appropriate technical solution depart from various embodiments of the present invention technology
The scope of scheme.
Claims (10)
1. a gear-box, it is characterised in that including:
Housing；
Output shaft, is arranged in described housing, and described output shaft is by clutch shaft bearing and described housing
It is rotationally connected, described output shaft is arranged with driven gear；
Power shaft, is arranged in described housing, and described power shaft is by the second bearing and described housing
It is rotationally connected, described power shaft is arranged with driving gear, described driving gear and described driven tooth
Wheel is meshed, and described second bearing is provided with oil trap, oil sump and pipeline, described oil trap and described
By described pipeline communication between oil sump, described oil trap is used for collecting described driving gear and described
Lubricating oil between driven gear, described oil trap and described oil sump in the vertical direction have height
Difference, so that described lubricating oil can be flowed to described oil sump by described oil trap, described oil sump is provided with out
Mouthful, described opening is arranged on the contact surface of described second bearing and described power shaft, so that described
Lubricating oil can be flowed into described second bearing and described input by described oil sump by described opening
Between axle.
Gear-box the most according to claim 1, it is characterised in that described oil trap is arranged
At the top of described second bearing, described oil sump is arranged on the bottom of described second bearing.
Gear-box the most according to claim 1, it is characterised in that described housing is by top box
Body and lower box are formed by connecting, and described clutch shaft bearing is connected with described lower box, described second bearing
Being connected with described upper box, described upper box forms 45 with the joint face of described lower box with horizontal plane
Degree angle.
Gear-box the most according to claim 3, it is characterised in that described clutch shaft bearing sets
Putting at described joint face, described clutch shaft bearing is connected with upper box and lower box respectively, and described
The axis of one bearing is positioned in the plane at described joint face place.
Gear-box the most according to claim 4, it is characterised in that be coated with on described joint face
It is covered with fluid sealant.
Gear-box the most according to claim 1, it is characterised in that described housing and c-type
First end of support connects, and the second end of described C-shaped support is provided with rubber nodal point, and described c-type is propped up
Frame is for being connected with fixing described gear-box, described c-type with rail vehicle by described rubber nodal point
Support is that E level cast steel casting forms.
Gear-box the most according to claim 1, it is characterised in that described driving gear and
The gear range of described driven gear is 2.4-3.8.
Gear-box the most according to claim 1, it is characterised in that the end of described power shaft
Portion is connected with the outfan of crown gear coupling, and the input of described crown gear coupling is used for and electricity
The outfan of machine connects.
Gear-box the most according to claim 1, it is characterised in that described housing uses casting
Aluminum 114 cast forms.
10. a rail vehicle, it is characterised in that include according to institute arbitrary in claim 1-9
The gear-box stated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510229642.3A CN106195127A (en) | 2015-05-07 | 2015-05-07 | Gear-box and rail vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510229642.3A CN106195127A (en) | 2015-05-07 | 2015-05-07 | Gear-box and rail vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106195127A true CN106195127A (en) | 2016-12-07 |
Family
ID=57459223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510229642.3A Pending CN106195127A (en) | 2015-05-07 | 2015-05-07 | Gear-box and rail vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106195127A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109751395A (en) * | 2019-03-04 | 2019-05-14 | 中车北京南口机械有限公司 | Gear and gear-box, and the city rail vehicle with the gear-box |
| CN111261021A (en) * | 2020-03-24 | 2020-06-09 | 天昇物业服务集团有限公司 | Signboard for road |
| WO2020134510A1 (en) * | 2018-12-28 | 2020-07-02 | 中车戚墅堰机车车辆工艺研究所有限公司 | Gearbox with novel bearing configuration for railway vehicle |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2270980A (en) * | 1939-10-23 | 1942-01-27 | Int Stacey Corp | Speed reducer casing |
| US3785458A (en) * | 1972-04-14 | 1974-01-15 | Caterpillar Tractor Co | Lubrication system for a gear drive mechanism |
| US4231266A (en) * | 1977-10-12 | 1980-11-04 | Toyota Jidosha Kogyo Kabushiki Kaisha | Lubricating device for power transmission unit |
| US4842100A (en) * | 1986-03-04 | 1989-06-27 | The Timken Company | Lubrication system for automotive transmission pocket bearing |
| DE19930804A1 (en) * | 1999-07-03 | 2001-01-18 | Zahnradfabrik Friedrichshafen | Gearbox for road vehicle has internal oil trap enhancing lubrication for extended service life and positioned axially adjacent to and at lowest point of second bearing outer ring |
| US6293704B1 (en) * | 2000-03-21 | 2001-09-25 | The Timken Company | Shaft mounting with enhanced stability |
| CN102466026A (en) * | 2010-11-17 | 2012-05-23 | 格特拉格传动机构和齿轮工厂赫尔曼·哈根迈尔有限公司&两合公司 | Shaft assembly |
| CN202451797U (en) * | 2011-12-31 | 2012-09-26 | 太原重工股份有限公司 | Traction gear box for high-speed motor train unit |
-
2015
- 2015-05-07 CN CN201510229642.3A patent/CN106195127A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2270980A (en) * | 1939-10-23 | 1942-01-27 | Int Stacey Corp | Speed reducer casing |
| US3785458A (en) * | 1972-04-14 | 1974-01-15 | Caterpillar Tractor Co | Lubrication system for a gear drive mechanism |
| US4231266A (en) * | 1977-10-12 | 1980-11-04 | Toyota Jidosha Kogyo Kabushiki Kaisha | Lubricating device for power transmission unit |
| US4842100A (en) * | 1986-03-04 | 1989-06-27 | The Timken Company | Lubrication system for automotive transmission pocket bearing |
| DE19930804A1 (en) * | 1999-07-03 | 2001-01-18 | Zahnradfabrik Friedrichshafen | Gearbox for road vehicle has internal oil trap enhancing lubrication for extended service life and positioned axially adjacent to and at lowest point of second bearing outer ring |
| US6293704B1 (en) * | 2000-03-21 | 2001-09-25 | The Timken Company | Shaft mounting with enhanced stability |
| CN102466026A (en) * | 2010-11-17 | 2012-05-23 | 格特拉格传动机构和齿轮工厂赫尔曼·哈根迈尔有限公司&两合公司 | Shaft assembly |
| CN202451797U (en) * | 2011-12-31 | 2012-09-26 | 太原重工股份有限公司 | Traction gear box for high-speed motor train unit |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020134510A1 (en) * | 2018-12-28 | 2020-07-02 | 中车戚墅堰机车车辆工艺研究所有限公司 | Gearbox with novel bearing configuration for railway vehicle |
| US11920669B2 (en) | 2018-12-28 | 2024-03-05 | Crrc Qishuyan Institute Co., Ltd. | Gearbox with bearing configuration for rail vehicle |
| CN109751395A (en) * | 2019-03-04 | 2019-05-14 | 中车北京南口机械有限公司 | Gear and gear-box, and the city rail vehicle with the gear-box |
| CN111261021A (en) * | 2020-03-24 | 2020-06-09 | 天昇物业服务集团有限公司 | Signboard for road |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161207 |