CN110043640A - A kind of retarder bearing lubrication structure - Google Patents
A kind of retarder bearing lubrication structure Download PDFInfo
- Publication number
- CN110043640A CN110043640A CN201910426763.5A CN201910426763A CN110043640A CN 110043640 A CN110043640 A CN 110043640A CN 201910426763 A CN201910426763 A CN 201910426763A CN 110043640 A CN110043640 A CN 110043640A
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- China
- Prior art keywords
- bearing
- gear shaft
- oil
- gear
- centrifugal
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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
-
- 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
- F16H57/043—Guidance of lubricant within rotary parts, e.g. axial channels or radial openings in shafts
-
- 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
- F16H2057/02039—Gearboxes for particular applications
- F16H2057/02043—Gearboxes for particular applications for vehicle transmissions
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention discloses a kind of retarder bearing lubrication structures, comprising: cabinet；Gear shaft is arranged in the box house；First bearing is set in described gear shaft one end, and is rotatablely connected with the gear shaft；The middle part of the gear shaft is arranged in gear；Second bearing is set in the other end of the gear shaft, and is rotatablely connected with the gear shaft；Main oil gallery is arranged inside the gear shaft, is arranged along the gear shaft axis direction；First centrifugal oil separator structure is arranged between the first bearing and the cabinet wall, and the first centrifugal oil separator structure is connected to described main oil gallery one end；Oil inlet is provided on the cabinet；Second centrifugal oil separator structure is arranged between the second bearing and the gear, and is connected to the main oil gallery other end；The second centrifugal oil separator structure passes through the close second bearing after the gear shaft.Increase oil duct in axis, lubricating oil is introduced directly into bearing, overcomes the problems, such as that bearing lubrication is insufficient.
Description
Technical field
The present invention designs a kind of retarder bearing lubrication structure, belongs to automobile bearing field.
Background technique
Bearing is the important foundation components of all kinds of mechanized equipments, its precision, performance, life and reliability are to host
Conclusive effect can be played.In engineering goods, bearing belongs to high-precision product, not only needs many such as mathematics, physics
The theoretical comprehensive support of section, and need material science, heat treatment technics, Precision Machining and measuring technique, Numeric Control Technology and have
The subjects such as the numerical method of effect and powerful computer technology service for it, therefore bearing is again one and represents country
The product of scientific and technological strength.
For bearing, lubrication is the major issue of its performance of left and right, lubricant or lubricating system it is suitable whether all can
The service life of bearing is influenced, and any defect of bearing can all cause the failure or even serious accident of equipment, thus it is guaranteed that axis
The premise for holding normal operation and long service life is exactly that must assure that bearing has good lubrication.
Each section of lubrication bearing can be reduced channel face and revolution friction, the sliding of steel ball and retainer in steel ball face rub
Wipe, the sliding friction in retainer and channel guide surface, at the same can take away heat that Bearing inner friction generates and other from
The heat that outside is transmitted prevents the deterioration of bearing heating and lubricant, so that the face that is in rolling contact of bearing is formed oil film, extends bearing
Service life.
Currently, car deceleration device bearing mostly uses greatly splashing to lubricate, the oil in oil sump is splashed on cabinet through gear agitation,
Bearing is naturally flowed to by box body wall finishing bathtray to be lubricated, but longer, the flow that flows through path of this kind of method lubricating oil
Less, especially in the case where low speed high load, bearing cannot adequately lubricate, and easily fail.To guarantee that bearing efficiently may be used
The operating leaned on reduces the friction and wear of bearing as far as possible, it is necessary to propose a kind of new retarder bearing lubricating method.
Summary of the invention
The present invention has designed and developed a kind of retarder bearing lubrication structure, by increasing oil duct inside gear shaft, will moisten
Lubricating oil is introduced directly into bearing, overcomes the problems, such as that bearing lubrication is insufficient in low speed high load.
Another goal of the invention of the invention, the lubricating oil for flowing out bearing flows to gear tooth along conical sleeve, into one
Step guarantees good lubricating condition when gear engagement.
Technical solution provided by the invention are as follows:
A kind of retarder bearing lubrication structure, comprising:
Cabinet；
Gear shaft, setting have accommodating chamber inside the box house, the gear shaft；
First bearing is set in one end of the gear shaft, and is rotatablely connected with the gear shaft；
The middle part of the gear shaft is arranged in gear；
Second bearing is set in the other end of the gear shaft, and is rotatablely connected with the gear shaft；
Main oil gallery is arranged inside the gear shaft, is arranged along the gear shaft axis direction；
First centrifugal oil separator structure is arranged between the first bearing and the cabinet wall, the first centrifugal oil separator structure
It is connected to simultaneously with described main oil gallery one end and the box house；
Oil inlet is provided on the cabinet, and with the main oil gallery be coaxially disposed, the oil inlet simultaneously with it is described
First centrifugal oil separator structure is connected to the main oil gallery；
Second centrifugal oil separator structure is arranged between the second bearing and the gear, and another with the main oil gallery simultaneously
One end is connected to the box house；The second centrifugal oil separator structure passes through the close second bearing after the gear shaft.
Preferably, further includes:
Abutment sleeve is set on the gear shaft, is circular platform type structure, and the abutment sleeve is arranged described first
Between bearing and the gear；
Wherein, the contact face radius of the circular platform type structure and the first bearing be less than the circular platform type structure with it is described
The contact face radius of gear radius.
Preferably, the first centrifugal oil separator structure includes:
Four first point of oil ducts, are arranged radially along the gear shaft, and the angle between two neighboring point of oil duct is 90 °.
Preferably, the second centrifugal oil separator structure includes:
Four second point of oil ducts, are arranged radially along the gear shaft, and the angle between two neighboring point of oil duct is 90 °.
Preferably, one end of second point of oil duct extends to second bearing one end, makes second point of oil duct in L
Type.
Preferably, one end of second point of oil duct is to be provided with oil outlet.
Preferably, rotary joint is provided between the oil inlet and the main oil gallery.
Preferably, the material of the abutment sleeve is hard alloy steel.
It is of the present invention the utility model has the advantages that the present invention is in the case of low speed high load, the insufficient problem of bearing lubrication,
Gear splashes on the basis of lubrication, and lubricating oil is introduced directly into bearing, guaranteed by the method for proposing to add oil duct inside gear shaft
Bearing realizes " oil immersed type " lubrication, enhances the reliability and stability of retarder bearing operation, improves bearing life.The invention knot
Structure is simple, easy to use without addition extras without carrying out structural modification to reduction gearbox, meets light-weight design and wants
It asks
Detailed description of the invention
Fig. 1 is the structural schematic diagram of retarder bearing lubrication structure of the present invention.
Fig. 2 is the A-A cross-sectional view of the second oil-inlet mechanism of the present invention.
Specific embodiment
Present invention will be described in further detail below with reference to the accompanying drawings, to enable those skilled in the art referring to specification text
Word can be implemented accordingly.
As shown in Figs. 1-2, the present invention provides a kind of retarder bearing lubrication structure, comprising: cabinet 100, gear 110, cone
Shape abutment sleeve 120, main oil gallery 130, first bearing 140, the first centrifugal oil separator structure 150, gear shaft 160, second bearing 170 and
Second centrifugal oil separator structure 180.
Cabinet 100 is hollow structure, can accommodate all parts of bearing lubrication structure.Gear shaft 160 is arranged in cabinet
Inside 100, there is accommodating chamber inside gear shaft 160, main oil gallery 130 is arranged along the axis direction of gear shaft 160 in gear shaft 160
Inside.
One end of gear shaft 160 is arranged in first bearing 140, is set in the outside of gear shaft 160, first bearing 140 with
Gear shaft 160 is rotatablely connected, and the other end of gear shaft 160 is arranged in second bearing 170, and is set in the outside of gear shaft 160,
It is arranged in parallel with first bearing 140, second bearing 170 and gear shaft 160 are rotatablely connected, and gear shaft 160 passes through first bearing 140
It is connect with second bearing 170 with cabinet 100.
The middle part of gear shaft 160 is arranged in gear 110, and is set in the outside of gear shaft 160, gear 110 and gear shaft
160 are connected by key.
In the present invention, as a preference, gear 110 is connect with gear shaft 160 by flat key.
The inside of gear shaft 160 is arranged in main oil gallery 130, and arranges along the axis of gear shaft 160, and oil inlet 131 is arranged
In one end of cabinet, oil inlet and main oil gallery are coaxially disposed, and one end of oil inlet is connected with main oil gallery 130, oil inlet 131
The other end can be connected with oil inlet pipe outside cabinet, can receive the lubricating oil conveyed from external oil inlet pipe.
It, quickly will lubrication by oil inlet 131 in order to guarantee the tight fit between oil inlet 131 and main oil gallery 130
Oil is imported into main oil gallery 130, and rotary joint 190 is additionally provided between 130 in oil inlet 131 and main oil gallery.
First centrifugal oil separator structure 150 is connected to one end that main oil gallery 130 is arranged in, and is located at first bearing 140 and cabinet 100
Between inner wall, the middle position of the first centrifugal oil separator structure 150 is connected to one end of main oil gallery 130, and the first centrifugal oil separator structure is along gear shaft
160 are arranged radially, the roll structure of the oil outlet of the first centrifugal oil separator structure 150 close to first bearing 140, and the first centrifugal oil separator
Structure 150 is connected with the inside of cabinet 100, and lubricating oil is transmitted in first bearing 140 by the first centrifugal oil separator structure 150, real
The lubrication of existing first bearing 140.
First centrifugal oil separator structure 150 include four first point of oil ducts, first point of oil duct being arranged radially along gear shaft 160,
Angle between two neighboring first point of oil duct is 90 °, and making the first centrifugal oil separator structure is integrally in " cross ", the first centrifugal oil separator structure
Center is connected with one end of main oil gallery 130,
Second centrifugal oil separator structure 180 is connected to the other end that main oil gallery 130 is arranged in, and is located at second bearing 180 and gear 110
Between, 180 middle positions of the second centrifugal oil separator structure are connected with the other end of main oil gallery, and the second centrifugal oil separator structure 150 is along gear shaft
160 are arranged radially, the ball bearing mechanism of the oil outlet of the second centrifugal oil separator structure 180 close to second bearing 170, and the second centrifugal oil separator
It is connected to inside structure 180 and cabinet 100, lubricating oil is transmitted in second bearing 170 by the second centrifugal oil separator structure 180, realize the
The lubrication of two bearings 170.
As shown in Fig. 2, the second centrifugal oil separator structure 180 includes four second point of oil ducts, second point of oil duct is along gear shaft 160
It being arranged radially, the angle between two neighboring second point of oil duct is 90 °, and making the section of the second centrifugal oil separator structure is in " cross ", the
One end of two points of oil ducts 180 extends to 170 direction of second bearing, keeps second point of oil duct L-shaped, one end of second point of oil duct 180
It is provided with a point oilhole, by dividing oilhole that lubricating oil is sent to second bearing 170, realizes the lubrication to second bearing 170, and
Lubricating oil can be quickly and accurately sent to second bearing 170 by the structure, improve lubricating efficiency.
Abutment sleeve 120 is circular platform type structure, and is set on gear shaft 160, and gear 110 and first bearing 140 are located at
Between, the contact face radius of abutment sleeve 120 and first bearing 140 is less than the contact face radius of abutment sleeve and gear, make through
The lubricating oil for crossing the outflow of first bearing 140 flows to the gear teeth of gear 110 along abutment sleeve 120, further carries out to gear 110
Lubrication ensure that good lubricating condition when gear engagement.
When work, lubricating oil is passed to oil inlet 131 by exterior line, makes lubricating oil through main oil gallery 130, the first centrifugal oil separator
Structure 150 flows to first bearing 140, in lubricating oil oil inlet first bearing 140, by 140 sufficient lubrication of first bearing, remaining lubrication
Oil flows to the gear teeth of gear 110 by the slope outside abutment sleeve 120, is lubricated to gear 110, when guaranteeing gear engagement
It is provided with enough lubricating oil, meanwhile, the lubricating oil of external pipe passes to the second centrifugal oil separator structure by main pipeline, and lubricating oil passes through
The oil outlet of second oil duct enters in second bearing 170, realizes the lubrication to second bearing 170.
This hair structure is useful under low speed high load in situation, prevents the problem that bearing lubrication is insufficient.Fly in gear 110
It splashes on the basis of lubrication, lubricating oil is introduced directly into bearing, guarantees axis by the method for proposing to add oil duct inside gear shaft 160
Realization " oil immersed type " lubrication is held, the reliability and stability of retarder bearing operation are enhanced, improves bearing life.This structure is not necessarily to
Structural modification is carried out to reduction gearbox, it is easy to use without addition extras.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily
Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited
In specific details and legend shown and described herein.
Claims (8)
1. a kind of retarder bearing lubrication structure characterized by comprising
Cabinet；
Gear shaft, setting have accommodating chamber inside the box house, the gear shaft；
First bearing is set in one end of the gear shaft, and is rotatablely connected with the gear shaft；
The middle part of the gear shaft is arranged in gear；
Second bearing is set in the other end of the gear shaft, and is rotatablely connected with the gear shaft；
Main oil gallery is arranged inside the gear shaft, is arranged along the gear shaft axis direction；
First centrifugal oil separator structure is arranged between the first bearing and the cabinet wall, and the first centrifugal oil separator structure is simultaneously
It is connected to described main oil gallery one end and the box house；
Oil inlet is provided on the cabinet, and is coaxially disposed with the main oil gallery, and the oil inlet is simultaneously with described first
Centrifugal oil separator structure is connected to the main oil gallery；
Second centrifugal oil separator structure is arranged between the second bearing and the gear, and the other end with the main oil gallery simultaneously
It is connected to the box house；The second centrifugal oil separator structure passes through the close second bearing after the gear shaft.
2. retarder bearing lubrication structure according to claim 1, which is characterized in that further include:
Abutment sleeve is set on the gear shaft, is circular platform type structure, and the abutment sleeve is arranged in the first bearing
Between the gear；
Wherein, the contact face radius of the circular platform type structure and the first bearing is less than the circular platform type structure and the gear
The contact face radius of radius.
3. retarder bearing lubrication structure according to claim 2, which is characterized in that the first centrifugal oil separator structure includes:
Four first point of oil ducts, are arranged radially along the gear shaft, and the angle between two neighboring point of oil duct is 90 °.
4. retarder bearing lubrication structure according to claim 2 or 3, which is characterized in that the second centrifugal oil separator structure packet
It includes:
Four second point of oil ducts, are arranged radially along the gear shaft, and the angle between two neighboring point of oil duct is 90 °.
5. retarder bearing lubrication structure according to claim 4, which is characterized in that one end of second point of oil duct to
Second bearing one end extends, and keeps second point of oil duct L-shaped.
6. retarder bearing lubrication structure according to claim 5, which is characterized in that one end of second point of oil duct is set
It is equipped with oil outlet.
7. retarder bearing lubrication structure according to claim 6, which is characterized in that the oil inlet and the main oil gallery
Between be provided with rotary joint.
8. retarder bearing lubrication structure according to claim 7, which is characterized in that the material of the abutment sleeve is hard
Matter steel alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910426763.5A CN110043640A (en) | 2019-05-22 | 2019-05-22 | A kind of retarder bearing lubrication structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910426763.5A CN110043640A (en) | 2019-05-22 | 2019-05-22 | A kind of retarder bearing lubrication structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110043640A true CN110043640A (en) | 2019-07-23 |
Family
ID=67283040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910426763.5A Pending CN110043640A (en) | 2019-05-22 | 2019-05-22 | A kind of retarder bearing lubrication structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110043640A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116816906A (en) * | 2023-08-29 | 2023-09-29 | 无锡华盛力通电驱动系统有限公司 | Bearing lubricating structure |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10103454A (en) * | 1996-09-30 | 1998-04-21 | Suzuki Motor Corp | Differential bearing device |
| JP2011127634A (en) * | 2009-12-15 | 2011-06-30 | Aisin Ai Co Ltd | Lubricating mechanism of transmission |
| CN202251886U (en) * | 2011-09-08 | 2012-05-30 | 江阴克威齿轮箱制造有限公司 | Lubricating structure for bearings inside speed reducer |
| JP2012202533A (en) * | 2011-03-28 | 2012-10-22 | Jtekt Corp | Lubricating structure of differential device |
| CN203614723U (en) * | 2013-12-12 | 2014-05-28 | 中航商用航空发动机有限责任公司 | Oil distribution device and gear shaft provided with oil distribution device |
| CN204267700U (en) * | 2014-11-24 | 2015-04-15 | 武汉东方枫火通用技术有限公司 | Selflubricating planet wheel gear box sub-case |
| CN206708342U (en) * | 2017-04-25 | 2017-12-05 | 厦门厦工机械股份有限公司 | Electrically controlled gearbox idle pulley axle fixing structure |
| CN209925586U (en) * | 2019-05-22 | 2020-01-10 | 吉林大学 | Bearing lubricating structure of speed reducer |
-
2019
- 2019-05-22 CN CN201910426763.5A patent/CN110043640A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10103454A (en) * | 1996-09-30 | 1998-04-21 | Suzuki Motor Corp | Differential bearing device |
| JP2011127634A (en) * | 2009-12-15 | 2011-06-30 | Aisin Ai Co Ltd | Lubricating mechanism of transmission |
| JP2012202533A (en) * | 2011-03-28 | 2012-10-22 | Jtekt Corp | Lubricating structure of differential device |
| CN202251886U (en) * | 2011-09-08 | 2012-05-30 | 江阴克威齿轮箱制造有限公司 | Lubricating structure for bearings inside speed reducer |
| CN203614723U (en) * | 2013-12-12 | 2014-05-28 | 中航商用航空发动机有限责任公司 | Oil distribution device and gear shaft provided with oil distribution device |
| CN204267700U (en) * | 2014-11-24 | 2015-04-15 | 武汉东方枫火通用技术有限公司 | Selflubricating planet wheel gear box sub-case |
| CN206708342U (en) * | 2017-04-25 | 2017-12-05 | 厦门厦工机械股份有限公司 | Electrically controlled gearbox idle pulley axle fixing structure |
| CN209925586U (en) * | 2019-05-22 | 2020-01-10 | 吉林大学 | Bearing lubricating structure of speed reducer |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116816906A (en) * | 2023-08-29 | 2023-09-29 | 无锡华盛力通电驱动系统有限公司 | Bearing lubricating structure |
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