CN104061321B - A kind of heavy-duty power transmission lubricating system - Google Patents
A kind of heavy-duty power transmission lubricating system Download PDFInfo
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- CN104061321B CN104061321B CN201410251409.0A CN201410251409A CN104061321B CN 104061321 B CN104061321 B CN 104061321B CN 201410251409 A CN201410251409 A CN 201410251409A CN 104061321 B CN104061321 B CN 104061321B
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- oil
- lubricating system
- heavy
- inner tube
- oil pump
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Classifications
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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
- F16H57/0434—Features relating to lubrication or cooling or heating relating to lubrication supply, e.g. pumps ; Pressure control
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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
- F16H57/0434—Features relating to lubrication or cooling or heating relating to lubrication supply, e.g. pumps ; Pressure control
- F16H57/0441—Arrangements of pumps
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention provides a kind of heavy-duty power transmission lubricating system, it includes oil pump I and oil pump II, the inlet port I of oil pump I is connected with main-gear box, oil-out I is connected by oil pipe with auxiliary transmission, the inlet port II of oil pump II is connected with auxiliary transmission, oil-out II is connected by oil pipe with main-gear box, is realized by this structure type：Oil pump I forced feed lubrication is provided for auxiliary transmission from main-gear box oil suction required for lubricating oil, oil pump II forced feed lubrication is provided for main-gear box from auxiliary transmission oil suction required for lubricating oil.The lubricating system is compared with the lubricating system in existing gearbox, the flowing velocity of lubricating oil is accelerated, and its lubricant effect more preferably, and can preferably reduce the temperature of part in casing, its cooling effect also more preferably, substantially increases the reliability and service life of gearbox.
Description
Technical field
The present invention relates to a kind of heavy-duty power transmission, especially a kind of heavy-duty power transmission lubricating system.
Background technology
Splash lubrication be by sealing rotary part in the chassis rotary speed it is larger when, lubricating oil is spilt from oil droplet
Droplet is atomized into, and is taken to self-lubricate is formed on friction pair, or first focus on oil catcher, then again by designing
Oil duct be flowed into lubricant housings.
Forced feed lubrication refers to that an oil pump offer pressure makes lubricating oil circulation with pressure, is then cooled back to fuel tank, is entered back into
Oil pump.
When conventional speed change box assembly is designed, the lubricating system in casing has two kinds, and one is to use splash lubrication, and two is to use
Splash lubrication+forced feed lubrication.Forced feed lubrication typically only designs an oil pump, and inlet port is main from main-gear box front position oil suction
If being lubricated to auxiliary transmission.
In normal course of operation, main-gear box uses the splash lubrication, auxiliary transmission to be carried out by oil pump to transmission assembly
Lubrication, the two combines the lubrication for being capable of achieving transmission internal.But, vehicle climb work when, due to heavy grade operating mode,
, in auxiliary transmission, often there is oil pump in the suction of main-gear box front end less than oil, now, auxiliary transmission is big for substantial amounts of lubricating oil level
Part is immersed in lubricating oil, but the gear in main-gear box cannot carry out splash lubrication, and its lubricant effect is not
Ideal, influences the functional reliability of gearbox, the service life of gearbox is reduced, here it is the deficiency existing for prior art
Part.
The content of the invention
The technical problem to be solved in the present invention, aiming at the deficiency existing for prior art, and provides a kind of heavy change
Fast case lubricating system, the lubricating system is lubricated using double pump, and its high lubricating effect effectively raises the reliable operation of gearbox
Property and service life.
This programme is achieved by the following technical measures：The heavy-duty power transmission lubricating system includes oil pump I and oil pump
II, the inlet port I of the oil pump I is connected with main-gear box, oil-out I is connected by oil pipe with auxiliary transmission, the oil pump II
Inlet port II be connected with auxiliary transmission, oil-out II is connected by oil pipe with main-gear box.
It is anterior that above-mentioned inlet port I is arranged on main-gear box.
Above-mentioned inlet port II is arranged on the front portion of auxiliary transmission.
Above-mentioned oil-out I is connected by oil pipe I with case inner tube I and oil pipe II, and case inner tube I and oil pipe II are in parallel.
Above-mentioned oil pipe II is connected with case inner tube III.
Above-mentioned inlet port II is connected by oil pipe V with oil pump II.
Above-mentioned oil-out II is connected by oil pipe IV with case inner tube IV and oil pipe III, and case inner tube IV and oil pipe III are in parallel.
Above-mentioned case inner tube IV is connected by oil pipe III with case inner tube II.
Radial direction oil hole is machined with the side wall of above-mentioned case inner tube IV.
The beneficial effect of this programme can be learnt according to the narration to such scheme, in the heavy-duty power transmission lubricating system, oil
The inlet port I of pump I is connected with main-gear box, oil-out I is connected by oil pipe with auxiliary transmission, inlet port II and the pair of oil pump II
Gearbox is connected, oil-out II is connected by oil pipe with main-gear box, is realized by this structure type：Oil pump I is from main transformer
Fast case oil suction forced feed lubrication is provided for auxiliary transmission required for lubricating oil, oil pump II is from auxiliary transmission oil suction for main-gear box is carried
For the lubricating oil required for forced feed lubrication.The lubricating system compared with the lubricating system in existing gearbox, the flowing of lubricating oil
Speed is accelerated, and its lubricant effect is more preferable, and can preferably reduce the temperature of part in casing, and its cooling effect is also more preferable,
Substantially increase the reliability and service life of gearbox.As can be seen here, the present invention compared with prior art, with prominent reality
Matter feature and significant progress, its beneficial effect implemented is also obvious.
Brief description of the drawings
Fig. 1 is the structural representation of the specific embodiment of the invention.
Fig. 2 is A-A sectional views in Fig. 1.
In figure, A- main-gear boxs, B- auxiliary transmissions, 1- oil pipes II, 2- casees inner tube I, 3- oil pipes I, 4- oil-outs I,
5- oil pumps I, 6- inlet ports I, 7- inlet ports II, 8- oil pipes V, 9- oil pumps II, 10- oil-outs II, 11- oil pipes IV,
12- casees inner tube IV, 13- casees inner tube III, 14- oil pipes III, 15- casees inner tube II.
Specific embodiment
For the technical characterstic for illustrating this programme can be understood, below by specific embodiment, and its accompanying drawing is combined, to we
Case is illustrated.
A kind of heavy-duty power transmission lubricating system, as illustrated, it includes oil pump I 5 and oil pump II 9, oil pump I 5 and oil pump II 9
Left secondary axle front end and right countershaft front end are separately mounted to, the inlet port I 6 of oil pump I 5 is arranged on main-gear box A front portions, oil pump II 9
Inlet port II 7 be arranged on the front portion of auxiliary transmission B.The lubricating system is double oil pump lubricating systems, and oil pump I 5 is mainly pair
Gearbox B provides forced feed lubrication, and specifically, auxiliary box synchronizer and odd-side planet circular system in predominantly auxiliary transmission B etc. are carried
For forced feed lubrication；Oil pump II 9 is mainly for main-gear box A provides forced feed lubrication, specifically, in predominantly main-gear box A
When the offer forced feed lubrication such as main tank gear and mainshaft gear partition, particularly climbing work, main-gear box A cannot realize profit of splashing
Sliding, it is necessary to ensure the normal engaged transmission of gear by increasing forced feed lubrication, oil pump II 9 ensure that forces profit in main-gear box A
Sliding realization.
Wherein, the inlet port I 6 of oil pump I 5 is connected with main-gear box A, oil-out I 4 is connected by oil pipe with auxiliary transmission B,
Inlet port I 6 is arranged on main-gear box A front portions, and oil-out I 4 is connected by oil pipe I 3 with case inner tube I 2 and oil pipe II 1, case inner tube I
2 and oil pipe II 1 it is in parallel, oil pipe II 1 is connected with case inner tube III 13.
The inlet port II 7 of oil pump II 9 is connected with auxiliary transmission B, oil-out II 10 is connected by oil pipe with main-gear box A,
Inlet port II 7 is arranged on the front portion of auxiliary transmission B, and inlet port II 7 is connected by oil pipe V 8 with oil pump II 9, and oil-out II 10 leads to
Cross oil pipe IV 11 to be connected with case inner tube IV 12 and oil pipe III 14, case inner tube IV 12 and oil pipe III 14 are in parallel, and case inner tube IV 12 passes through
Oil pipe III 14 is connected with case inner tube II 15.
Wherein, the lubricating oil in oil pump I 5 is transported to case inner tube I 2 and oil pipe II 1 by oil pipe I 3；Oil pipe II 1 again will lubrication
Oil is transported to case inner tube III 13；Oil pipe III 14 delivers lubricating oil to case inner tube II 15 again；Oil pipe IV 11 will be from oil pump II 9 out
Lubricating oil be transported to case inner tube IV 12 and oil pipe III 14；Oil pipe V 8 is the oil inlet pipe of oil pump II 9, will be drawn through from auxiliary transmission B
The lubricating oil for coming is transported to oil pump II 9.
Case inner tube I 2 is used to be transported to the lubricating oil in oil pump I 5 at left idler shaft, lubricates the needle roller axle at left idler shaft
Hold；Be transported to lubricating oil in oil pump II 9 at input shaft and main shaft oilhole by case inner tube II 15, on lubricating spindle assemble every
Piece；Case inner tube III 13 is arranged on main-gear box A tops, for the lubricating oil in oil pump I 5 to be transported in auxiliary transmission B, lubrication
Planet circular system in auxiliary transmission B；Case inner tube IV 12 is arranged on main-gear box A tops, for the lubricating oil in oil pump II 9 is defeated
It is sent in main-gear box A, and radial direction oil hole is machined with the side wall of case inner tube IV 12, the gear in main-gear box A is sprayed
Drench, the gear in lubrication main-gear box A.
Main-gear box A and auxiliary transmission B using the lubricating system of traditional splash lubrication+bis- oil pump forced feed lubrications, are solved
Heavy-duty power transmission lubricant effect is undesirable in the prior art, service life low problem.Increase lubricating oil in gearbox simultaneously
Road, it is necessary to lubrication position set oilhole, to increase the reliability of lubrication.Profit in the lubricating system and existing gearbox
Sliding system is compared, and its lubrication and cooling effect more preferably, effectively reduce oil temperature, and substantially increase the reliable operation of gearbox
Property and service life.
Technical characteristic without description in the present invention can be achieved by the prior art, and will not be repeated here.The above
Only presently preferred embodiments of the present invention, the present invention is not limited in above-mentioned specific embodiment, and those of ordinary skill in the art exist
Change, remodeling, addition or the replacement made in essential scope of the invention, should also belong to protection scope of the present invention.
Claims (9)
1. a kind of heavy-duty power transmission lubricating system, it is characterized in that：It includes oil pump I and oil pump II, the inlet port I of the oil pump I
It is connected with main-gear box, oil-out I is connected by oil pipe with auxiliary transmission, inlet port II and the auxiliary transmission phase of the oil pump II
Even, oil-out II is connected by oil pipe with main-gear box.
2. heavy-duty power transmission lubricating system according to claim 1, it is characterized in that：The inlet port I is arranged on main transformer speed
Case is anterior.
3. heavy-duty power transmission lubricating system according to claim 2, it is characterized in that：The inlet port II is arranged on secondary speed change
The front portion of case.
4. heavy-duty power transmission lubricating system according to claim 3, it is characterized in that：The oil-out I passes through oil pipe I and case
Inner tube I is connected with oil pipe II, and case inner tube I and oil pipe II are in parallel.
5. heavy-duty power transmission lubricating system according to claim 4, it is characterized in that：The oil pipe II and the phase of case inner tube III
Even.
6. heavy-duty power transmission lubricating system according to claim 3, it is characterized in that：The inlet port II by oil pipe V with
Oil pump II is connected.
7. heavy-duty power transmission lubricating system according to claim 6, it is characterized in that：The oil-out II by oil pipe IV with
Case inner tube IV is connected with oil pipe III, and case inner tube IV and oil pipe III are in parallel.
8. heavy-duty power transmission lubricating system according to claim 7, it is characterized in that：The case inner tube IV by oil pipe III with
Case inner tube II is connected.
9. heavy-duty power transmission lubricating system according to claim 8, it is characterized in that：Processed on the side wall of the case inner tube IV
There is radial direction oil hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410251409.0A CN104061321B (en) | 2014-06-09 | 2014-06-09 | A kind of heavy-duty power transmission lubricating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410251409.0A CN104061321B (en) | 2014-06-09 | 2014-06-09 | A kind of heavy-duty power transmission lubricating system |
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| Publication Number | Publication Date |
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| CN104061321A CN104061321A (en) | 2014-09-24 |
| CN104061321B true CN104061321B (en) | 2017-07-07 |
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| CN201410251409.0A Active CN104061321B (en) | 2014-06-09 | 2014-06-09 | A kind of heavy-duty power transmission lubricating system |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104675978A (en) * | 2015-03-03 | 2015-06-03 | 中国重汽集团济南动力有限公司 | Dual-oil-pump transmission with hydrodynamic retarder for heavy-duty mine car |
| CN107191577A (en) * | 2017-06-23 | 2017-09-22 | 中国重汽集团大同齿轮有限公司 | Heavy-duty car keeps off synchronizer speed variators with nine |
| CN110043464B (en) * | 2019-04-26 | 2024-01-30 | 泸州容大智能变速器有限公司 | Double-acting vane pump control system and gearbox assembly with same |
| CN112096841A (en) * | 2020-10-09 | 2020-12-18 | 龙工(福建)桥箱有限公司 | Automatic oil filtering device for loader gearbox |
| CN114151535B (en) * | 2021-10-29 | 2023-05-12 | 东风商用车有限公司 | Gearbox lubricating system |
| CN114427598B (en) * | 2022-01-04 | 2024-02-13 | 中国重汽集团济南动力有限公司 | Method and device for evaluating lubrication state of various positions of gearbox and vehicle |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4485566B2 (en) * | 2007-11-13 | 2010-06-23 | 本田技研工業株式会社 | Motor type power unit |
| CN102338273A (en) * | 2011-09-26 | 2012-02-01 | 三一重工股份有限公司 | Land leveler and forced lubricating system thereof |
| CN203363612U (en) * | 2013-07-08 | 2013-12-25 | 安徽江淮汽车股份有限公司 | Lubrication device and lubrication system of double-clutch automatic gearbox gear |
| CN203560410U (en) * | 2013-11-05 | 2014-04-23 | 陕西法士特齿轮有限责任公司 | Lubricating oil cooling system of gearbox |
| CN203906742U (en) * | 2014-06-09 | 2014-10-29 | 中国重汽集团济南动力有限公司 | Heavy gearbox lubricating system |
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2014
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| CN104061321A (en) | 2014-09-24 |
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