CN106838273A - A kind of Novel gearbox - Google Patents
A kind of Novel gearbox Download PDFInfo
- Publication number
- CN106838273A CN106838273A CN201510896885.2A CN201510896885A CN106838273A CN 106838273 A CN106838273 A CN 106838273A CN 201510896885 A CN201510896885 A CN 201510896885A CN 106838273 A CN106838273 A CN 106838273A
- Authority
- CN
- China
- Prior art keywords
- box
- bearing
- gear
- driven gear
- outer end
- Prior art date
- 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.)
- Pending
Links
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
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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
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/042—Guidance of lubricant
- F16H57/0427—Guidance of lubricant on rotary parts, e.g. using baffles for collecting lubricant by centrifugal force
-
- 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
- F16H57/12—Arrangements for adjusting or for taking-up backlash not provided for elsewhere
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention discloses a kind of Novel gearbox.In order to solve the problems, such as permeability phenomenon and bearing axial clearance adjusting process complexity that existing gear-box occurs；The gear-box includes driven gear, casing, outer end cap and end ring；The casing is made up of upper box and lower box, and corresponding oil circuit is provided with the upper box and lower box；There is outside oil pocket between the end ring and outer end cap, there is inner side oil pocket between the end ring and bearing；Bearing insert is equipped between the casing, end ring and two outer end caps；The bushing oil circuit of oil communication corresponding on the upper box and lower box is provided with the bearing insert；The bushing oil circuit is connected with the inner side oil pocket or outside oil pocket.The present invention improves life-span and the lubricating quality of driven gear bearing, reduces process complexity, improves gear-box packaging efficiency.
Description
Technical field
The present invention relates to gearbox lubrication design field, specially a kind of gear-box.
Background technology
Existing intercity EMUs gearbox lubrication uses splash lubrication mode, i.e. turning by driven gear
It is dynamic that the lubricating oil that gear-box bottom stores is taken on the inwall of little gear and gear-box, then by special setting
Oil circuit bearing is lubricated.
As shown in figure 1, driven gear bearing inner ring is directly installed on axletree by interference fit, outer ring is straight
Connect and coordinated with gear housing, i.e., bearing block is arranged on gear housing, due to gear housing by upper box,
Lower box two parts are constituted, and flask joint is missed by driven gear bearing block, the mismachining tolerance of gear-box, assembling
Slight play in difference and vehicle operation between flask joint, can all reduce the life-span of driven gear bearing,
Serious even can make bearing break down.Further, since intercity EMUs running velocity is higher, tooth
The rotating speed of wheel axle box bearing and gear is also significantly improved, and causes the air pressure inside gear-box higher, it may occur that oil return
Not smooth situation, so as to have the generation of permeability phenomenon, permeability between the outer end cap and casing of driven gear both sides
Driven gear bearing insufficient lubrication can be caused.Meanwhile, in gear-box assembling process, driven gear bearing axle
To the adjustment in gap realized by match grinding seal, this gap adjustment mode causes gear-box packaging technology
Complicated, inefficiency.
The content of the invention
Be set directly on casing for driven gear bearing block on intercity EMUs gear-box and by it is upper,
The situation of lower box flask joint, and the permeability phenomenon and bearing axial clearance adjusting process of gear-box appearance are multiple
Miscellaneous problem, the present invention is intended to provide a kind of gear-box, the driven tooth roller box can avoid the generation of above mentioned problem,
So as to improve life-span and the lubricating quality of driven gear bearing, process complexity is reduced, improve gear-box assembling
Efficiency.
To achieve these goals, the technical solution adopted in the present invention is：
A kind of gear-box, including the driven gear on axletree, are mounted on axletree and wrapping institute by bearing
The casing of driven gear is stated, on axletree and positioned at the outer end cap of driven gear both sides, and mounted in casing
With the end ring between two outer end caps；The casing is made up of upper box and lower box, the upper box
On be provided with in-line on upper box, oil return line on lower box is provided with the lower box；The end ring with
There is outside oil pocket between outer end cap, there is inner side oil pocket between the end ring and bearing；Its design feature
It is that the bearing insert on end ring, and the bearing are equipped between the casing and two outer end caps
Bushing is located between the casing and end ring；It is provided with the bearing insert and oil-feed on the upper box
The bushing in-line and the bushing oil return line with the lower box last time oil communication of road connection；The bushing enters
Oil circuit is connected with the inner side oil pocket or outside oil pocket, the bushing oil return line and the inner side oil pocket or outside
Oil pocket is connected.
It is below the technical scheme of further improvement of the present invention：
In order to ensure that hydraulic oil enters in lower box, the bearing insert bottom is towards on the side of driven gear
Equipped with oil baffle, the oil storage pool that the oil baffle is formed with bearing insert, end ring.
In order to reduce air pressure inside, it is ensured that oil return is unobstructed, respirator, the respirator are housed on the outer end cap
With the hollow channel that outside oil pocket is connected with ambient atmosphere.
In order to the axial gap for realizing driven gear is adjusted, set between the outer end cap and corresponding end ring
There is axial gap adjustment ring.Further, the bottom of the axial gap adjustment ring has adjustment ring breach.
Further, the side of the axial gap adjustment ring is provided with match grinding side.
The bushing oil return line is made up of three inclined holes, and wherein the inclined hole in centre position is connected with outside oil pocket,
The inclined hole of remaining two side positions is connected with inner side oil pocket.
Compared with prior art, the beneficial effects of the invention are as follows：
1st, bearing insert is increased in lubrication system can improve the life-span of driven gear bearing, it is to avoid bearing
Break down.So, even if gear housing uses upper and lower branch mailbox structure, and flask joint is by bearing block,
The service life of bearing will not be impacted.
The 2nd, respirator is installed on outer end cap, it is ensured that oil return is unobstructed, it is to avoid permeability.
3rd, axial gap adjustment ring is used to adjust bearing clearance, is not required to carry out match grinding to seal, reduces tooth
Roller box packaging technology.
In a word, the present invention improves life-span and the lubricating quality of driven gear bearing, reduces process complexity,
Improve gear-box packaging efficiency.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
Specific embodiment
A kind of gear-box, driven gear 6 and driven gear bearing inner ring are arranged on axletree 5, driven gear
Bearing outer ring is arranged on bearing insert 10, and bearing insert 10 is coupled with gear-box, is set on bearing insert 10
The bushing in-line 12 put is used for and the UNICOM of in-line 2 on the upper box on upper box 1, formation lubrication bearing
Oil inlet passage.The bushing oil return line 15 set on bearing insert 10 is used for and the lower box on lower box 9
Upper oil return line 8 coordinates, and forms the drainback passage of lubrication bearing.Breathing is installed on the outer end cap 3 of both sides
Device 11, axial gap adjustment ring 13 is provided with the side of end ring 4.
When gear-box works, on the roof of lubricating oil splash to upper box 1, both sides are flowed into further along roof
On upper box in in-line 2, in-line 2 on the bushing in-line 12 and upper box set on bearing insert 10
UNICOM, so, the bearing that lubricating oil can be just pointed in bearing insert 10 is lubricated.
The oil storage pool that the bearing insert 10, end ring 4, oil baffle 7 are formed can ensure the lubrication of bearing
Fully.
Claims (5)
1. a kind of Novel gearbox, including the driven gear (6) on axletree (5), by bearing
On axletree (5) and the casing of the driven gear (6) is wrapped, on axletree (5) and be located at
The outer end cap (3) of driven gear (6) both sides, and between casing and two outer end caps (3)
End ring (4)；The casing is made up of upper box (1) and lower box (9), the upper box (1)
There is cut-off with lower box (9).
2. Novel gearbox according to claim 1, it is characterised in that the bearing insert (10)
There is space between bearing.
3. Novel gearbox according to claim 1, it is characterised in that on the outer end cap (3)
Equipped with respirator (11), the respirator (11) has aerator with the external world.
4. Novel gearbox according to claim 1, it is characterised in that the outer end cap (3) with
Axial gap adjustment ring (13) is provided between corresponding end ring (4).
5. Novel gearbox according to claim 4, it is characterised in that the axial gap adjustment
The bottom of ring (13) has adjustment ring breach (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510896885.2A CN106838273A (en) | 2015-12-04 | 2015-12-04 | A kind of Novel gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510896885.2A CN106838273A (en) | 2015-12-04 | 2015-12-04 | A kind of Novel gearbox |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106838273A true CN106838273A (en) | 2017-06-13 |
Family
ID=59150846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510896885.2A Pending CN106838273A (en) | 2015-12-04 | 2015-12-04 | A kind of Novel gearbox |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106838273A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109428437A (en) * | 2017-08-29 | 2019-03-05 | 本田技研工业株式会社 | Vehicle drive unit |
-
2015
- 2015-12-04 CN CN201510896885.2A patent/CN106838273A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109428437A (en) * | 2017-08-29 | 2019-03-05 | 本田技研工业株式会社 | Vehicle drive unit |
| CN109428437B (en) * | 2017-08-29 | 2020-07-03 | 本田技研工业株式会社 | Vehicle drive device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170613 |