CN108443313A - Double balance shaft thrust chip architecture and double balance shaft assembly - Google Patents
Double balance shaft thrust chip architecture and double balance shaft assembly Download PDFInfo
- Publication number
- CN108443313A CN108443313A CN201810408589.7A CN201810408589A CN108443313A CN 108443313 A CN108443313 A CN 108443313A CN 201810408589 A CN201810408589 A CN 201810408589A CN 108443313 A CN108443313 A CN 108443313A
- Authority
- CN
- China
- Prior art keywords
- thrust
- balance shaft
- oblique angle
- thrust plate
- oil
- 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.)
- Granted
Links
- 239000003921 oil Substances 0.000 claims abstract description 56
- 239000010687 lubricating oil Substances 0.000 claims abstract description 43
- 238000005461 lubrication Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000013016 damping Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C17/00—Sliding-contact bearings for exclusively rotary movement
- F16C17/04—Sliding-contact bearings for exclusively rotary movement for axial load only
- F16C17/08—Sliding-contact bearings for exclusively rotary movement for axial load only for supporting the end face of a shaft or other member, e.g. footstep bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M9/00—Lubrication means having pertinent characteristics not provided for in, or of interest apart from, groups F01M1/00 - F01M7/00
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sliding-Contact Bearings (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention discloses a kind of double balance shaft thrust chip architectures, including：Thrust plate, the thrust plate is installed in balance shaft, and between axle bed and gear and/or axle bed and balance weight, thrust plate includes the first thrust surface, the second thrust surface and thrust plate oil groove, wherein, first thrust surface is that thrust plate installs end surface side with axle bed, and the second thrust surface is thrust plate and gear or balance weight contact surface side；Oily notch is crossed, which is arranged the inner radius in thrust plate, the lubricating oil for being connected between the first thrust surface and the second thrust surface；And Oil Guide oblique angle, the Oil Guide oblique angle are set on the first thrust surface；Wherein, lubricating oil can be flowed by the gap between bushing and balance shaft in Oil Guide oblique angle, and Oil Guide oblique angle can guide lubricating oil to enter in oily notch, and then lubricating oil is directed to from the first thrust surface on the second thrust surface.The thrust chip architecture of the present invention can ensure the lubricating oil supply of thrust plate kinematic pair abundance, and processing cost is low, and reliability is high.
Description
Technical field
The present invention relates to engine lubrication field, more particularly to a kind of double balance shaft thrust chip architecture and double balance shaft are total
At.
Background technology
As people are higher and higher to NVH (noise, vibration and sound vibration roughness) performance requirement, NVH has become engine
One of important performance assessment criteria of comprehensive performance.Reciprocating engine is there are the periodicity of train motion, the rotation generated in operating
Inertia force and reciprocal inertia force are all in mechanical periodicity, and the two-stage reciprocating inertia force of wherein mechanical periodicity, which is that engine is important, to shake
One of dynamic driving source.Double balance shaft operation principle is exactly to eliminate or reduce two-stage reciprocating inertia force, and balance shaft is driven by bent axle
Mechanism operates, and balance rotating speed is twice of speed of crankshaft, the inertia force that eccentric shaft rotation generates in balance shaft operation process
It is offset with engine two-stage reciprocating inertia force, to achieve the effect that vibration damping.Double balance shaft includes following part：Gear, axle bed,
Balance shaft, bushing, thrust plate, bolt, wherein thrust plate are for preventing balance shaft stress axial float, in balance shaft,
Between axle bed and gear or balance weight.
Double balance shaft parts mount position where the thrust plate of the prior art is between bent axle and oil sump, such as Fig. 1-2
Shown, thrust plate is supplied without direct lubricating oil, and lubricating system is lubrication of splashing, and passes through the lubricating oil or song fallen above body
The lubricating oil splash of axis stirring is lubricated to thrust plate, using this technical solution often because operating mode is severe, thrust plate occurs for lack of lubrication
Burn failure, the reliability so as to cause balance shaft member be not high.Therefore, it is necessary to a kind of novel thrust chip architectures, to improve
Thrust plate is supplied with the lubricating oil of gear or balance weight, so that it is guaranteed that thrust plate has enough lubricating oil, avoids moistening because of thrust plate
Sliding insufficient and generation burn failure.
Being disclosed in the information of the background technology part, it is only intended to increase understanding of the overall background of the invention, without answering
It has been the prior art well known to persons skilled in the art when being considered as recognizing or imply that the information is constituted in any form.
Invention content
The purpose of the present invention is to provide a kind of double balance shaft thrust chip architecture, to overcome the thrust plate of the prior art because
Lack of lubrication is easy to happen the shortcomings that thrust plate burn.
To achieve the above object, the present invention provides a kind of double balance shaft thrust chip architectures, including：Thrust plate, the thrust
Piece is installed in balance shaft, and between axle bed and gear or axle bed and balance weight, and thrust plate includes the first thrust surface, second
Thrust surface and thrust plate oil groove, wherein the first thrust surface is that thrust plate installs end surface side with axle bed, and the second thrust surface is thrust plate
With gear or balance weight contact surface side；Oily notch is crossed, which is arranged the inner radius in thrust plate, stops for being connected to first
Lubricating oil between pushing surface and the second thrust surface；And Oil Guide oblique angle, the Oil Guide oblique angle are set on the first thrust surface；Wherein,
Lubricating oil can be flowed by the gap between bushing and balance shaft in Oil Guide oblique angle, Oil Guide oblique angle can guide lubricating oil into
Entered in oily notch, and then lubricating oil was directed to from the first thrust surface on the second thrust surface.
In a preferred embodiment, the oblique angle maximum gauge at Oil Guide oblique angle is more than the internal diameter of bushing.
In a preferred embodiment, the height of excessively oily notch is less than the outer diameter of thrust plate.
In a preferred embodiment, the height of excessively oily notch is 1~2.5mm.
Another object of the present invention is to provide a kind of double balance shaft assemblies.
To achieve the above object, the present invention provides a kind of double balance shaft assembly, which includes cover board, puts down
Weighing apparatus axis, axle bed, bushing, gear, two balance weights and two or more thrust chip architectures, the thrust chip architecture include：Thrust
Piece, the thrust plate are installed in balance shaft, and between axle bed and gear and/or axle bed and balance weight, and thrust plate includes the
One thrust surface, the second thrust surface and thrust plate oil groove, wherein the first thrust surface is that thrust plate and axle bed install end surface side, second
Thrust surface is thrust plate and gear or balance weight contact surface side；Oily notch is crossed, which is arranged the inner radius in thrust plate,
Lubricating oil for being connected between the first thrust surface and the second thrust surface；And Oil Guide oblique angle, the Oil Guide oblique angle are set to first
On thrust surface；Wherein, lubricating oil can be flowed by the gap between bushing and balance shaft in Oil Guide oblique angle, Oil Guide oblique angle energy
Enough guiding lubricating oil entered in oily notch, and then lubricating oil is directed to from the first thrust surface on the second thrust surface.
In a preferred embodiment, the oblique angle maximum gauge at Oil Guide oblique angle is more than the internal diameter of bushing.
In a preferred embodiment, the height of excessively oily notch is less than the outer diameter of thrust plate.
In a preferred embodiment, the height of excessively oily notch is 1~2.5mm.
Compared with prior art, double balance shaft thrust chip architecture according to the present invention has the advantages that：The present invention
Thrust chip architecture be additionally arranged Oil Guide oblique angle and excessively oily notch so that the lubricating oil for unloading out from bushing can pass through Oil Guide oblique angle
It crosses the access that oily notch is formed to be introduced on thrust plate and gear or the rubbing surface of balance weight contact surface side, to improve only
The lubricating oil of push jack kinematic pair supplies, it is ensured that thrust plate has enough lubricating oil, to improve the reliability of double balance shaft mechanism.Together
When due to the present invention thrust plate be increased on existing thrust plate Oil Guide oblique angle and excessively oil notch, technique is easy to implement,
Processing cost is low.
Description of the drawings
Fig. 1 is the thrust plate structural schematic diagram of the prior art.
Fig. 2 is diagrammatic cross-section of the thrust chip architecture along the directions A-A of Fig. 1.
Fig. 3 is the assembling schematic diagram of double balance shaft assembly according to an embodiment of the present invention.
Fig. 4 is the close-up schematic view of the parts I in Fig. 3.
Fig. 5 is thrust plate structural schematic diagram according to an embodiment of the present invention.
Fig. 6 is diagrammatic cross-section of the thrust chip architecture along the directions B-B of Fig. 5.
Specific implementation mode
Below in conjunction with the accompanying drawings, the specific implementation mode of the present invention is described in detail, it is to be understood that the guarantor of the present invention
Shield range is not restricted by specific implementation.
Unless otherwise explicitly stated, otherwise in entire disclosure and claims, term " comprising " or its change
It changes such as "comprising" or " including " etc. and will be understood to comprise stated element or component, and do not exclude other members
Part or other component parts.
As shown in Figures 3 to 6, double balance shaft thrust chip architecture according to the preferred embodiment of the present invention, including：Thrust plate
41, excessively oily notch 42 and Oil Guide oblique angle 43.Thrust plate 41 is installed in balance shaft 6, and positioned at axle bed 9 and gear 5 or axle bed 9
Between the first balance weight 3 or axle bed 9 and the second balance weight 7.Thrust plate 41 includes the first thrust surface 411, the second thrust surface 412
With thrust plate oil groove 413, wherein the first thrust surface 411 is that thrust plate 41 installs end surface side with axle bed 9, and the second thrust surface 412 is
Thrust plate 41 and 7 contact surface side of gear 5 or the first balance weight 3 or the second balance weight.Oily notch 42 is crossed to be arranged in thrust plate 41
Inner radius, the lubricating oil for being connected between the first thrust surface 411 and the second thrust surface 412.Oil Guide oblique angle 43 is set to first
On thrust surface 411.Wherein, lubricating oil can be flowed by the gap between bushing 8 and balance shaft 6 in Oil Guide oblique angle 43, be led
Oily oblique angle 43 can guide lubricating oil to enter in oily notch 42, and then lubricating oil is directed to second from the first thrust surface 411
On thrust surface 412.
In said program, the oblique angle maximum gauge at Oil Guide oblique angle 43 is more than the internal diameter of bushing 8.The height for crossing oily notch 42 is small
In the outer diameter of thrust plate 41.Preferably, the height of oil notch 42 excessively is 1~2.5mm.
The present invention also provides a kind of double balance shaft assemblies, as shown in figure 3, the double balance shaft assembly includes cover board 1, balance
Axis 6, axle bed 9, bushing 8, gear 5, the first balance weight 3, the second balance weight 7 and two or more thrust chip architectures 4.Wherein,
As seen in figures 3-6, thrust chip architecture 4 includes：Thrust plate 41, excessively oily notch 42 and Oil Guide oblique angle 43.As shown in figure 3, thrust
Piece 41 is installed in balance shaft 6, and between axle bed 9 and gear 5 and axle bed 9 and balance weight 7, it should be understood that,
Thrust plate 41 may be located between axle bed 9 and balance weight 3.Thrust plate 41 includes the first thrust surface 411, the second thrust surface 412
With thrust plate oil groove 413, wherein the first thrust surface 411 is that thrust plate 41 installs end surface side with axle bed 9, and the second thrust surface 412 is
Thrust plate 41 and 7 contact surface side of gear 5 or balance weight 3 or balance weight.It crosses oily notch 42 and inner radius in thrust plate 41 is set, use
In the lubricating oil being connected between the first thrust surface 411 and the second thrust surface 412.Oil Guide oblique angle 43 is set to the first thrust surface 411
On.Wherein, lubricating oil can be flowed by the gap between bushing 8 and balance shaft 6 in Oil Guide oblique angle 43,43 energy of Oil Guide oblique angle
Enough guiding lubricating oil entered in oily notch 42, and then lubricating oil is directed to the second thrust surface 412 from the first thrust surface 411
On.In said program, the oblique angle maximum gauge at Oil Guide oblique angle 43 is more than the internal diameter of bushing 8.The height for crossing oily notch 42 is less than only
The outer diameter of push jack 41.Preferably, the height of oil notch 42 excessively is 1~2.5mm.
The operation principle of thrust chip architecture of the present invention is：Thrust plate is mounted in balance shaft, be located at axle bed and gear or
Between balance weight, lubricating oil flows to Oil Guide oblique angle by the gap between bushing and balance shaft, and Oil Guide oblique angle can guide lubrication
Oil entered in oily notch, and then by the excessively oily notch of thrust plate inner radius guided lubricating oil from the first thrust surface and to flow to the
Two thrust surfaces, with lubrication friction pair, to improve the lubricating oil supply of thrust plate kinematic pair, it is ensured that thrust plate has enough lubrications
Oil.
The thrust chip architecture of the present invention is additionally arranged Oil Guide oblique angle and excessively oily notch, and to oil notch and Oil Guide oblique angle excessively
Design is optimized in size so that the lubricating oil for unloading out from bushing can by Oil Guide oblique angle and excessively oily notch formed it is logical
Road is introduced on thrust plate and gear or the rubbing surface of balance weight contact surface side, to improve the lubricating oil of thrust plate kinematic pair
Supply, it is ensured that thrust plate has enough lubricating oil, to improve the reliability of double balance shaft mechanism.Simultaneously because the thrust of the present invention
Piece is that Oil Guide oblique angle and excessively oily notch are increased only on existing thrust plate, and technique is easy to implement, and processing cost is low.
The description of the aforementioned specific exemplary embodiment to the present invention is in order to illustrate and illustration purpose.These descriptions
It is not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to the above instruction, can much be changed
And variation.The purpose of selecting and describing the exemplary embodiment is that explaining the specific principle of the present invention and its actually answering
With so that those skilled in the art can realize and utilize the present invention a variety of different exemplary implementation schemes and
Various chooses and changes.The scope of the present invention is intended to be limited by claims and its equivalents.
Claims (8)
1. a kind of double balance shaft thrust chip architecture, which is characterized in that the thrust chip architecture includes：
Thrust plate, the thrust plate are installed in balance shaft, and between axle bed and gear or the axle bed and balance weight, described
Thrust plate include the first thrust surface, the second thrust surface and thrust plate oil groove, wherein first thrust surface be the thrust plate with
The axle bed installs end surface side, and second thrust surface is the thrust plate and the gear or the balance weight contact surface side；
Oily notch is crossed, which is arranged the inner radius in the thrust plate, for being connected to first thrust surface and described
Lubricating oil between second thrust surface；And
Oil Guide oblique angle, the Oil Guide oblique angle are set on first thrust surface；
Wherein, the lubricating oil can be flowed into the Oil Guide oblique angle by the gap between bushing and the balance shaft, institute
Stating Oil Guide oblique angle can guide the lubricating oil to enter in the excessively oily notch, and then by the lubricating oil from first thrust
Face is directed on second thrust surface.
2. double balance shaft thrust chip architecture according to claim 1, which is characterized in that the oblique angle at the Oil Guide oblique angle is maximum
Diameter is more than the internal diameter of the bushing.
3. double balance shaft thrust chip architecture according to claim 1, which is characterized in that the height of the excessively oily notch is less than
The outer diameter of the thrust plate.
4. double balance shaft thrust chip architecture according to claim 3, which is characterized in that the height of the excessively oily notch is 1
~2.5mm.
5. a kind of double balance shaft assembly, which includes cover board, balance shaft, axle bed, bushing, gear, two balances
Block and two or more thrust chip architectures, which is characterized in that each the thrust chip architecture includes：
Thrust plate, the thrust plate are installed in the balance shaft, and positioned at the axle bed and the gear or the axle bed and institute
Between stating balance weight, the thrust plate includes the first thrust surface, the second thrust surface and thrust plate oil groove, wherein described first stops
Pushing surface is that the thrust plate installs end surface side with the axle bed, and second thrust surface is the thrust plate and the gear or institute
State balance weight contact surface side；
Oily notch is crossed, which is arranged the inner radius in the thrust plate, for being connected to first thrust surface and described
Lubricating oil between second thrust surface；And
Oil Guide oblique angle, the Oil Guide oblique angle are set on first thrust surface；
Wherein, the lubricating oil can be flowed into the Oil Guide oblique angle by the gap between the bushing and the balance shaft
In, the Oil Guide oblique angle can guide the lubricating oil to enter in the excessively oily notch, to by the lubricating oil from described the
One thrust surface is directed on second thrust surface.
6. double balance shaft thrust chip architecture according to claim 5, which is characterized in that the oblique angle at the Oil Guide oblique angle is maximum
Diameter is more than the internal diameter of the bushing.
7. double balance shaft thrust chip architecture according to claim 5, which is characterized in that the height of the excessively oily notch is less than
The outer diameter of the thrust plate.
8. double balance shaft thrust chip architecture according to claim 7, which is characterized in that the height of the excessively oily notch is 1
~2.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810408589.7A CN108443313B (en) | 2018-05-02 | 2018-05-02 | Double balance shaft thrust plate structure and double balance shaft assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810408589.7A CN108443313B (en) | 2018-05-02 | 2018-05-02 | Double balance shaft thrust plate structure and double balance shaft assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108443313A true CN108443313A (en) | 2018-08-24 |
| CN108443313B CN108443313B (en) | 2023-11-21 |
Family
ID=63202039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810408589.7A Active CN108443313B (en) | 2018-05-02 | 2018-05-02 | Double balance shaft thrust plate structure and double balance shaft assembly |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010006565A1 (en) * | 1999-12-27 | 2001-07-05 | Masato Gomyo | Thrust dynamic pressure bearing apparatus and method for manufacturing the same |
| CN203585056U (en) * | 2013-10-10 | 2014-05-07 | 河南柴油机重工有限责任公司 | Bent axle thrust plate of internal combustion engine |
| TW201537036A (en) * | 2014-03-24 | 2015-10-01 | Tung Pei Ind Co Ltd | Hydrodynamic fluid bearing structure for bearing a cooling fan and method of assembling the same |
| CN205371313U (en) * | 2016-01-12 | 2016-07-06 | 潍柴动力股份有限公司 | Thrust plane lubricating structure |
| CN205991109U (en) * | 2016-08-08 | 2017-03-01 | 潍柴动力股份有限公司 | A kind of end mounting structure |
| CN208203790U (en) * | 2018-05-02 | 2018-12-07 | 广西玉柴机器股份有限公司 | Double balance shaft thrust chip architecture and double balance shaft assembly |
-
2018
- 2018-05-02 CN CN201810408589.7A patent/CN108443313B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010006565A1 (en) * | 1999-12-27 | 2001-07-05 | Masato Gomyo | Thrust dynamic pressure bearing apparatus and method for manufacturing the same |
| CN203585056U (en) * | 2013-10-10 | 2014-05-07 | 河南柴油机重工有限责任公司 | Bent axle thrust plate of internal combustion engine |
| TW201537036A (en) * | 2014-03-24 | 2015-10-01 | Tung Pei Ind Co Ltd | Hydrodynamic fluid bearing structure for bearing a cooling fan and method of assembling the same |
| CN205371313U (en) * | 2016-01-12 | 2016-07-06 | 潍柴动力股份有限公司 | Thrust plane lubricating structure |
| CN205991109U (en) * | 2016-08-08 | 2017-03-01 | 潍柴动力股份有限公司 | A kind of end mounting structure |
| CN208203790U (en) * | 2018-05-02 | 2018-12-07 | 广西玉柴机器股份有限公司 | Double balance shaft thrust chip architecture and double balance shaft assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108443313B (en) | 2023-11-21 |
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