CN106969137A - A kind of gearbox lubrication circuit system - Google Patents
A kind of gearbox lubrication circuit system Download PDFInfo
- Publication number
- CN106969137A CN106969137A CN201710364018.3A CN201710364018A CN106969137A CN 106969137 A CN106969137 A CN 106969137A CN 201710364018 A CN201710364018 A CN 201710364018A CN 106969137 A CN106969137 A CN 106969137A
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- CN
- China
- Prior art keywords
- temperature
- gearbox
- valve
- control valve
- 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.)
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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
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0402—Cleaning of lubricants, e.g. filters or magnets
- F16H57/0404—Lubricant filters
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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
- F16H57/0412—Cooling or heating; Control of temperature
- F16H57/0413—Controlled cooling or heating of lubricant; Temperature control therefor
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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
- F16H57/0412—Cooling or heating; Control of temperature
- F16H57/0415—Air cooling or ventilation; Heat exchangers; Thermal insulations
-
- 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
- F16H57/0435—Pressure control for supplying lubricant; Circuits or valves therefor
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
- Control Of Transmission Device (AREA)
Abstract
The invention discloses a kind of gearbox lubrication circuit system, including gear box oil drain pan, filter, hydraulic pump, gearbox control valve, clutch, radiator, hydraulic pump is through filter from gear box oil drain pan oil suction, gearbox control valve hydraulic fluid port P is connected with hydraulic pump, oil circuit is divided into two-way by gearbox control valve, all the way through valve to speed change box clutch fuel feeding, radiator is flowed to all the way, also include temperature control valve, the temperature control valve is arranged between gearbox control valve and radiator, another road of temperature control valve directly with gearbox pipeline communication, for detecting dynamic power shift gear box lubricating oil temperature, when oil liquid temperature is less than temperature is set, temperature control valve makes dynamic power shift gear box inner fluid be no longer pass through radiator to be circulated, but directly flow back in gearbox.In low temperature environment, shift quality when improving dynamic power shift gear box ground zero by dynamic power shift gear box lubricating oil cooling control system.
Description
Technical field
The present invention relates to a kind of gearbox lubrication circuit system, belong to gearbox lubrication circuit system technical field.
Background technology
Existing dynamic power shift gear box lubricating oil cooling system, hydraulic pump draws fluid and through oil strain from gear box oil drain pan
Device is to gearbox control valve group fuel feeding, and after fluid is distributed through gearbox control valve group, lubricating oil is returned in gearbox through radiator,
Fan and engine are direct-connected and are arranged at radiator.When ambient temperatures are low, when road roller is started to walk, gear-box lubricating oil is also needed
Returned to by radiator in gearbox, and fan rotates always, and such gearbox lubrication oil temperature rises slower, influence speed change
Case initial starting shift quality.
When the temperature is changed, oil viscosity changes in the executing agency of dynamic power shift gear box clutch, thus makes
The pressure loss in clutch return line changes；Temperature is reduced, and recirculating oil quantity reduces, and the combination speed of clutch slows down,
Cause the shift quality in dynamic power shift gear box ground zero poor.
The content of the invention
Purpose：In order to overcome the deficiencies in the prior art, the present invention provides a kind of gearbox lubrication circuit system, energy
Enough in low temperature environment, improve dynamic power shift gear box ground zero by dynamic power shift gear box lubricating oil cooling control system
When shift quality.
Technical scheme：In order to solve the above technical problems, the technical solution adopted by the present invention is：
A kind of gearbox lubrication circuit system, including gear box oil drain pan, filter, hydraulic pump, gearbox control valve, clutch
Device, radiator, hydraulic pump is through filter from gear box oil drain pan oil suction, and gearbox control valve hydraulic fluid port P is connected with hydraulic pump, becomes
Oil circuit is divided into two-way by fast case control valve, flows to radiator all the way to speed change box clutch fuel feeding through valve all the way, and its feature exists
In：Also include temperature control valve, the temperature control valve is arranged between gearbox control valve and radiator, and temperature control valve is another
All the way directly with gearbox pipeline communication, for detecting dynamic power shift gear box lubricating oil temperature, when oil liquid temperature is less than setting
When putting temperature, temperature control valve makes dynamic power shift gear box inner fluid be no longer pass through radiator to be circulated, but directly flows back to
In gearbox.
It is used as a specific preferred scheme, described gearbox lubrication circuit system, it is characterised in that：The temperature control valve
For temperature-conserving valve；Hydraulic pump is through filter from gear box oil drain pan oil suction, and gearbox control valve hydraulic fluid port P is connected with hydraulic pump, becomes
Oil circuit is divided into two-way by fast case control valve, all the way through valve to speed change box clutch fuel feeding, and temperature-conserving valve hydraulic fluid port a is flowed to all the way, works as oil
When liquid temperature degree is more than setting temperature, temperature-conserving valve hydraulic fluid port a is connected with hydraulic fluid port b, and fluid is by temperature-conserving valve hydraulic fluid port b and radiator to speed change
Case is lubricated, when oil liquid temperature less than set temperature when, fluid is connected by temperature-conserving valve hydraulic fluid port a with hydraulic fluid port c, fluid directly to
Gearbox is lubricated.
Further, described gearbox lubrication circuit system, it is characterised in that：The temperature-conserving valve sets temperature range
For -10 DEG C ~ 40 DEG C.
It is further preferred that described gearbox lubrication circuit system, it is characterised in that：The temperature-conserving valve sets temperature range to be 20
℃。
It is used as another specific preferred scheme, described gearbox lubrication circuit system, it is characterised in that：The temperature control
Valve is that temperature sensor is set in magnetic valve and controller, gear box oil drain pan；Temperature sensor is connected with controller；Hydraulic pump
Through filter from gear box oil drain pan oil suction, gearbox control valve hydraulic fluid port P is connected with hydraulic pump, and gearbox control valve is by oil circuit
It is divided into two-way, is lubricated stream, temperature sensor detection to gearbox through valve all the way to speed change box clutch fuel feeding through valve all the way
Gear box oil drain pan inner fluid temperature, and controller is passed to, when oil liquid temperature, which is more than, sets temperature, controller control electromagnetism
Valve must not be electric, and fluid crosses the left position of magnetic valve, flows through radiator and be lubricated to gearbox, when oil liquid temperature is less than setting temperature
When, controller control magnetic valve obtains electric, and fluid crosses the right position of magnetic valve, is lubricated directly to gearbox.
Further, described gearbox lubrication circuit system, it is characterised in that：The controller sets temperature range
For -10 DEG C ~ 40 DEG C.
It is further preferred that described gearbox lubrication circuit system, it is characterised in that：The controller sets temperature range to be 20
℃。
Beneficial effect：The gearbox lubrication circuit system that the present invention is provided, in low temperature environment, passes through power shifting speed change
Shift quality when case lubricating oil cooling control system is to improve dynamic power shift gear box ground zero.Detect dynamic power shift gear box profit
Sliding oil liquid temperature, when oil liquid temperature is less than temperature is set, dynamic power shift gear box inner fluid is no longer pass through radiator and followed
Ring, but directly flow back in case.So starting shift quality can be improved with the temperature of fast lifting gearbox inner fluid.
Brief description of the drawings
Fig. 1 is the structural representation of embodiment 1；
Fig. 2 is the structural representation of embodiment 2.
Embodiment
The present invention is further described with reference to specific embodiment.
Embodiment 1
As shown in figure 1, a kind of gearbox lubrication circuit system includes gear box oil drain pan 1, filter 2, hydraulic pump 3, gearbox
Control valve 4, clutch 5, radiator 6, temperature-conserving valve 71；
Hydraulic pump 3 is through filter 2 from the oil suction of gear box oil drain pan 1, and the hydraulic fluid port P of gearbox control valve 4 is connected with hydraulic pump, speed change
Oil circuit is divided into two-way by case control valve 4, all the way through valve 42 to the fuel feeding of speed change box clutch 5, and the hydraulic fluid port a of temperature-conserving valve 71 is flowed to all the way,
When oil liquid temperature is more than 20 DEG C, temperature-conserving valve hydraulic fluid port a is connected with hydraulic fluid port b, and fluid is by temperature-conserving valve hydraulic fluid port b and radiator 6 to change
Fast case is lubricated, and when oil liquid temperature is less than 20 DEG C, fluid is connected by temperature-conserving valve hydraulic fluid port a with hydraulic fluid port c, and fluid is directly to change
Fast case is lubricated.
Embodiment：
When gearbox inner fluid temperature is more than 20 DEG C, the complete machine starting stage, hydraulic pump 3 is through filter 2 from gear box oil drain pan 1
Oil suction, the hydraulic fluid port P of gearbox control valve 4 is connected with hydraulic pump, and oil circuit is divided into two-way by gearbox control valve 4, all the way flow direction section
The warm hydraulic fluid port a of valve 71, due to oil liquid temperature be more than 20 DEG C, temperature-conserving valve hydraulic fluid port a connect with hydraulic fluid port b, fluid by temperature-conserving valve hydraulic fluid port b with
Radiator 6 is lubricated to gearbox, and the combination of clutch, to the fuel feeding of speed change box clutch 5, is realized in another road through valve 42, so that real
Existing complete machine plays step gear shifting.
When gearbox inner fluid temperature is less than 20 DEG C, the complete machine starting stage, hydraulic pump 3 is through filter 2 from gear box oil
The oil suction of drain pan 1, the hydraulic fluid port P of gearbox control valve 4 is connected with hydraulic pump, and oil circuit is divided into two-way by gearbox control valve 4, is flowed all the way
To the hydraulic fluid port a of temperature-conserving valve 71, because oil liquid temperature is less than 20 DEG C, temperature-conserving valve hydraulic fluid port a is connected with hydraulic fluid port c, and fluid carries out partial circulating, directly
Connect and be lubricated to gearbox, without radiator, so can fast lifting oil liquid temperature, another road through valve 42 to gearbox from
The fuel feeding of clutch 5, realizes the combination of clutch, carries out realizing that complete machine plays step gear shifting.Oil temperature temperature is reduced, and recirculating oil quantity reduces, from
The combination speed of clutch slows down, and causes the shift quality in dynamic power shift gear box ground zero poor, due to lubricating loop without
Radiator, so can fast lifting oil liquid temperature, shift quality when improving starting.
In the present embodiment, temperature-conserving valve sets temperature range to be -10 DEG C ~ 40 DEG C.
Embodiment 2
As shown in Fig. 2 a kind of gearbox lubrication circuit system includes gear box oil drain pan 1, filter 2, hydraulic pump 3, gearbox
Control valve 4, clutch 5, radiator 6, magnetic valve 72, controller 8, temperature sensor 9.
Hydraulic pump 3 is through filter 2 from the oil suction of gear box oil drain pan 1, and the hydraulic fluid port P of gearbox control valve 4 is connected with hydraulic pump,
Oil circuit is divided into two-way by gearbox control valve 4, gives gearbox through valve 41 all the way to the fuel feeding of speed change box clutch 5 through valve 42 all the way
It is lubricated stream, the inner fluid temperature of the detection gear box oil of temperature sensor 9 drain pan 1, and by this information transmission to controller 8, when
When oil liquid temperature is more than 20 DEG C, controller 8 sends instruction, and magnetic valve 72 must not be electric, and fluid crosses the left position of magnetic valve 72, flows through radiating
Device 6 is lubricated to gearbox, and when oil liquid temperature is less than 20 DEG C, controller 8 sends instruction, and magnetic valve 72 obtains electric, fluid mistake
The right position of magnetic valve 72, is lubricated directly to gearbox.
Embodiment：
When gearbox inner fluid temperature is more than 20 DEG C, the complete machine starting stage, hydraulic pump 3 is through filter 2 from gear box oil drain pan 1
Oil suction, the hydraulic fluid port P of gearbox control valve 4 is connected with hydraulic pump, and oil circuit is divided into two-way by gearbox control valve 4, all the way through valve 41
Stream, the inner fluid temperature of the detection gear box oil of temperature sensor 9 drain pan 1 are lubricated to gearbox, and control is given by this information transmission
Device 8 processed, oil liquid temperature is more than 20 DEG C, and controller 8 sends instruction, and magnetic valve 72 must not be electric, and fluid is crossed the left position of magnetic valve 72, flowed through
Radiator 6 is lubricated to gearbox, and the combination of clutch, to the fuel feeding of speed change box clutch 5, is realized in another road through valve 42, so that real
Existing complete machine plays step gear shifting.
When gearbox inner fluid temperature is less than 20 DEG C, the complete machine starting stage, hydraulic pump 3 is through filter 2 from gear box oil
The oil suction of drain pan 1, the hydraulic fluid port P of gearbox control valve 4 is connected with hydraulic pump, and oil circuit is divided into two-way by gearbox control valve 4, is passed through all the way
Valve 41 is lubricated stream to gearbox, the inner fluid temperature of the detection gear box oil of temperature sensor 9 drain pan 1, and by this information transmission
To controller 8, oil liquid temperature is less than 20 DEG C, and controller 8 sends instruction, and magnetic valve 72 obtains electric, and fluid crosses the right position of magnetic valve 72, oil
Liquid carries out partial circulating, is lubricated directly to gearbox, so can fast lifting oil liquid temperature, Ling Yilu without radiator
Through valve 42 to the fuel feeding of speed change box clutch 5, the combination of clutch is realized, carries out realizing that complete machine plays step gear shifting.Oil temperature temperature drops
Low, recirculating oil quantity reduces, and the combination speed of clutch slows down, and causes the shift quality in dynamic power shift gear box ground zero poor, by
, so can fast lifting oil liquid temperature, shift quality when improving starting in lubricating loop without radiator.
In the present embodiment, controller sets temperature range to be -10 DEG C ~ 40 DEG C.
Described above is only the preferred embodiment of the present invention, it should be pointed out that：For the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (7)
1. a kind of gearbox lubrication circuit system, including gear box oil drain pan, filter, hydraulic pump, gearbox control valve, clutch
Device, radiator, hydraulic pump is through filter from gear box oil drain pan oil suction, and gearbox control valve hydraulic fluid port P is connected with hydraulic pump, becomes
Oil circuit is divided into two-way by fast case control valve, flows to radiator all the way to speed change box clutch fuel feeding through valve all the way, and its feature exists
In：Also include temperature control valve, the temperature control valve is arranged between gearbox control valve and radiator, and temperature control valve is another
All the way directly with gearbox pipeline communication, for detecting dynamic power shift gear box lubricating oil temperature, when oil liquid temperature is less than setting
When putting temperature, temperature control valve makes dynamic power shift gear box inner fluid be no longer pass through radiator to be circulated, but directly flows back to
In gearbox.
2. gearbox lubrication circuit system according to claim 1, it is characterised in that：The temperature control valve is section temperature
Valve；Hydraulic pump is through filter from gear box oil drain pan oil suction, and gearbox control valve hydraulic fluid port P is connected with hydraulic pump, gearbox control
Oil circuit is divided into two-way by valve processed, all the way through valve to speed change box clutch fuel feeding, and temperature-conserving valve hydraulic fluid port a is flowed to all the way, works as oil liquid temperature
During more than setting temperature, temperature-conserving valve hydraulic fluid port a is connected with hydraulic fluid port b, and fluid is carried out by temperature-conserving valve hydraulic fluid port b and radiator to gearbox
Lubrication, when oil liquid temperature is less than temperature is set, fluid is connected by temperature-conserving valve hydraulic fluid port a with hydraulic fluid port c, and fluid is directly to gearbox
It is lubricated.
3. gearbox lubrication circuit system according to claim 2, it is characterised in that：The temperature-conserving valve sets temperature range
For -10 DEG C ~ 40 DEG C.
4. gearbox lubrication circuit system according to claim 2, it is characterised in that：The temperature-conserving valve sets temperature range
For 20 DEG C.
5. gearbox lubrication circuit system according to claim 1, it is characterised in that：The temperature control valve is magnetic valve
And controller, gear box oil drain pan is interior to set temperature sensor；Temperature sensor is connected with controller；Hydraulic pump through filter from
Gear box oil drain pan oil suction, gearbox control valve hydraulic fluid port P is connected with hydraulic pump, and oil circuit is divided into two-way by gearbox control valve,
All the way stream, temperature sensor detection gear box oil are lubricated through valve to gearbox through valve all the way to speed change box clutch fuel feeding
Drain pan inner fluid temperature, and controller is passed to, when oil liquid temperature, which is more than, sets temperature, controller control magnetic valve must not
Electricity, fluid crosses the left position of magnetic valve, flows through radiator and is lubricated to gearbox, when oil liquid temperature is less than temperature is set, control
Device control magnetic valve obtains electric, and fluid crosses the right position of magnetic valve, is lubricated directly to gearbox.
6. gearbox lubrication circuit system according to claim 5, it is characterised in that：The controller sets temperature range
For -10 DEG C ~ 40 DEG C.
7. gearbox lubrication circuit system according to claim 1, it is characterised in that：The controller sets temperature range
For 20 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710364018.3A CN106969137B (en) | 2017-05-22 | 2017-05-22 | Gearbox lubrication circuit system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710364018.3A CN106969137B (en) | 2017-05-22 | 2017-05-22 | Gearbox lubrication circuit system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106969137A true CN106969137A (en) | 2017-07-21 |
| CN106969137B CN106969137B (en) | 2023-10-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710364018.3A Active CN106969137B (en) | 2017-05-22 | 2017-05-22 | Gearbox lubrication circuit system |
Country Status (1)
| Country | Link |
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| CN (1) | CN106969137B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107489758A (en) * | 2017-09-26 | 2017-12-19 | 中联重机股份有限公司 | A kind of transmission case lubrication and the common oil system of clutch power-assisted |
| CN108571583A (en) * | 2018-06-14 | 2018-09-25 | 格特拉克（江西）传动系统有限公司 | A kind of wet-type dual-clutch gear box casing oil circulation device |
| CN110469656A (en) * | 2019-07-12 | 2019-11-19 | 王昱生 | A kind of oil circulation device and method of pressure altering device |
| CN112049922A (en) * | 2020-08-17 | 2020-12-08 | 东风越野车有限公司 | Oil cooling control device for transfer case of military vehicle |
| CN112196989A (en) * | 2020-11-16 | 2021-01-08 | 湘潭大学 | Automatic gearbox lubricating and cooling device and control method |
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| CN105782421A (en) * | 2016-06-01 | 2016-07-20 | 姜恩松 | Wet dual-clutch transmission oil temperature auxiliary control system and control method |
| CN205780783U (en) * | 2016-06-01 | 2016-12-07 | 陕西法士特齿轮有限责任公司 | A kind of transmission gear oil air cooling system |
| CN206738557U (en) * | 2017-05-22 | 2017-12-12 | 徐工集团工程机械股份有限公司 | A kind of gearbox lubrication circuit system |
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2017
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| JP2009144876A (en) * | 2007-12-18 | 2009-07-02 | Nissan Motor Co Ltd | Lubricating oil control device for transmission |
| JP2010242862A (en) * | 2009-04-06 | 2010-10-28 | Toyota Motor Corp | Oil temperature control device for transmission |
| CN204828619U (en) * | 2015-08-20 | 2015-12-02 | 山推工程机械股份有限公司 | A steering system newly changes speed |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107489758A (en) * | 2017-09-26 | 2017-12-19 | 中联重机股份有限公司 | A kind of transmission case lubrication and the common oil system of clutch power-assisted |
| CN108571583A (en) * | 2018-06-14 | 2018-09-25 | 格特拉克（江西）传动系统有限公司 | A kind of wet-type dual-clutch gear box casing oil circulation device |
| CN110469656A (en) * | 2019-07-12 | 2019-11-19 | 王昱生 | A kind of oil circulation device and method of pressure altering device |
| CN112049922A (en) * | 2020-08-17 | 2020-12-08 | 东风越野车有限公司 | Oil cooling control device for transfer case of military vehicle |
| CN112196989A (en) * | 2020-11-16 | 2021-01-08 | 湘潭大学 | Automatic gearbox lubricating and cooling device and control method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106969137B (en) | 2023-10-20 |
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