CN112049922A - Oil cooling control device for transfer case of military vehicle - Google Patents

Oil cooling control device for transfer case of military vehicle Download PDF

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Publication number
CN112049922A
CN112049922A CN202010827526.2A CN202010827526A CN112049922A CN 112049922 A CN112049922 A CN 112049922A CN 202010827526 A CN202010827526 A CN 202010827526A CN 112049922 A CN112049922 A CN 112049922A
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CN
China
Prior art keywords
transfer case
oil
communicated
pressure sensor
military vehicle
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Pending
Application number
CN202010827526.2A
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Chinese (zh)
Inventor
李军
静大勇
刘川
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Dongfeng Off Road Vehicle Co Ltd
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Dongfeng Off Road Vehicle Co Ltd
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Application filed by Dongfeng Off Road Vehicle Co Ltd filed Critical Dongfeng Off Road Vehicle Co Ltd
Priority to CN202010827526.2A priority Critical patent/CN112049922A/en
Publication of CN112049922A publication Critical patent/CN112049922A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H57/00General details of gearing
    • F16H57/04Features relating to lubrication or cooling or heating
    • F16H57/0412Cooling or heating; Control of temperature
    • F16H57/0413Controlled cooling or heating of lubricant; Temperature control therefor
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H57/00General details of gearing
    • F16H57/04Features relating to lubrication or cooling or heating
    • F16H57/0434Features relating to lubrication or cooling or heating relating to lubrication supply, e.g. pumps; Pressure control
    • F16H57/0435Pressure 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)

Abstract

The invention discloses an oil cooling control device of a transfer case of a military vehicle, which comprises the transfer case, wherein the transfer case is communicated with one end of a second oil return pipeline, one end, far away from the transfer case, of the second oil return pipeline is provided with a second pressure sensor, one end of the second pressure sensor is communicated with one end of the second oil return pipeline, one end, far away from the pressure sensor, of the first oil return pipeline is communicated with one end of a heat exchanger, the other end of the heat exchanger is communicated with one end of a third oil outlet pipe, one end of the third oil outlet pipe is communicated with one end of the pressure sensor, and the other end of the pressure sensor is communicated with one end of the second oil outlet. The internal circulation and external circulation switching of the lubricating oil can be realized according to the temperature environment of the vehicle, the internal circulation of the lubricating oil can be manually realized under the condition that the pipeline of the oil cooling device is damaged, and the lubricating oil of the transfer case is ensured not to be damaged and lost due to the pipeline. The method is suitable for vehicles.

Description

Oil cooling control device for transfer case of military vehicle
Technical Field
The invention relates to the technical field of cooling of transfer cases of transmission systems, in particular to a transfer case oil cooling control device of a military vehicle.
Background
Generally, the work load of a transfer case of a common off-road vehicle is not large, and the heat dissipation of lubricating oil is carried out by a transfer case; for military use cross country vehicle transfer case operational environment load is big in special operating mode (hot area), and ambient temperature is high, hardly guarantees the cooling of transfer case fluid, and too high when lubricating oil temperature, will cause lubricating oil rotten, and lubricated effect variation can not guarantee the normal lubrication of gear for a long time use. In order to ensure timely cooling of lubricating oil, a mechanical gear pump is additionally arranged on a general transfer case to perform external circulation lubrication, but external circulation heat dissipation of oil is always started, so that the external circulation of the lubricating liquid of the transfer case cannot be closed as long as the external circulation is used under the conditions that a vehicle is damaged and a cooling pipeline is damaged, and finally, the oil is leaked, a gear cannot be effectively lubricated, ablation occurs, and the transfer case fails. On the other hand, if the vehicle is in a cold region, the oil is subjected to heat dissipation in a circulating mode all the time, and the temperature of the oil cannot be raised to the ideal working temperature of the lubricating liquid, so that the transfer case gear cannot be effectively lubricated, abrasion occurs, and the function is invalid.
Therefore, the control device of the oil cooling circulation with the new structure is provided, and the optimal working environment of the lubricating oil of the transfer case is realized by manually switching the cooling circulation route of the transfer case through environmental change and pipeline conditions.
Disclosure of Invention
The invention aims to provide a military vehicle transfer case oil cooling control device.
In order to achieve the purpose, the invention provides the following technical scheme: a military vehicle transfer case oil cooling control device comprises a transfer case, wherein the transfer case is communicated with one end of a second oil return pipeline, one end, far away from the transfer case, of the second oil return pipeline is provided with a second pressure sensor, one end of the second pressure sensor is communicated with one end of the second oil return pipeline, one end, far away from the pressure sensor, of the first oil return pipeline is communicated with one end of a heat exchanger, the other end of the heat exchanger is communicated with one end of a third oil outlet pipe, one end, far away from the first pressure sensor, of the third oil outlet pipe is communicated with one end of the pressure sensor, the other end of the pressure sensor is communicated with one end of the second oil outlet pipe, one end, far away from the first pressure sensor, of the second oil outlet pipe is communicated with one end of the second oil outlet pipe, one end, far away from the first temperature sensor, of the first oil outlet pipe, one end of the electromagnetic conversion valve is communicated with one end of the oil outlet pipeline, and the other end of the oil outlet pipeline, far away from the electromagnetic conversion valve, is communicated with the transfer case.
The transfer case is communicated with one end of the oil return pipeline, and the other end of the oil return pipeline is communicated with the electromagnetic conversion valve.
Preferably, the electromagnetic conversion valve is in signal connection with a control switch.
Preferably, a temperature alarm is installed on the temperature sensor, the temperature sensor is in signal connection with the temperature alarm, and the temperature alarm is in signal connection with the control switch.
Preferably, the first pressure sensor and the second pressure sensor are both in signal connection with a control switch.
Preferably, the control switch is installed in a cab.
Preferably, a pressure alarm is installed inside the cab.
Preferably, a gear pump is arranged inside the transfer case.
Preferably, the electromagnetic conversion valve is a double-channel electromagnetic conversion valve.
Preferably, the type of the first pressure sensor and the type of the second pressure sensor are both JYB-KO-P.
The invention provides a military vehicle transfer case oil cooling control device. The method has the following beneficial effects:
1. and switching between the internal circulation and the external circulation of the lubricating oil is realized according to the temperature environment of the vehicle.
2. The pipeline of the oil cooling device can realize the internal circulation of the lubricating oil manually under the condition of damage, and the lubricating oil of the transfer case is ensured not to be damaged and lost due to the pipeline.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural diagram of the electromagnetic conversion valve of the present invention.
In the figure: 1 transfer case, 2 electromagnetic conversion valve, 3 oil outlet pipe I, 4 temperature sensor, 5 oil outlet pipe II, 6 pressure sensor I, 7 oil outlet pipe III, 8 heat exchanger, 9 oil return pipeline I, 10 pressure sensor II, 11 oil return pipeline II, 12 oil outlet pipeline IV, 13 oil return pipeline III, 14 control switch.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
As shown in fig. 1-2, the present invention provides a technical solution: a military vehicle transfer case oil cooling control device comprises a transfer case 1, wherein the transfer case 1 is communicated with one end of a return oil pipeline II 11, one end, far away from the transfer case 1, of the return oil pipeline II 11 is provided with a pressure sensor II 10, one end of the pressure sensor II 10 is communicated with one end of a return oil pipeline I9, one end, far away from the pressure sensor 10, of the return oil pipeline I9 is communicated with one end of a heat exchanger 8, the other end of the heat exchanger 8 is communicated with one end of an oil outlet pipe III 7, one end, far away from the oil outlet pipe III 7, of the pressure sensor I6 is communicated with one end of a pressure sensor I6, the other end of the pressure sensor I6 is communicated with one end of an oil outlet pipe II 5, one end, far away from the pressure sensor I6, of the oil outlet pipe II 5 is communicated with one end of a temperature sensor 4, one end, far away from the temperature sensor I5, one end of the electromagnetic conversion valve 2 is communicated with one end of the oil outlet pipeline 12, and one end of the oil outlet pipeline four 12 far away from the electromagnetic conversion valve 2 is communicated with the transfer case 1.
The transfer case 1 is communicated with one end of a third oil return pipeline 13, the other end of the third oil return pipeline 13 is communicated with the electromagnetic conversion valve 2, the electromagnetic conversion valve 2 is in signal connection with a control switch 14, a temperature alarm is mounted on the temperature sensor 4, the temperature sensor 4 is in signal connection with the temperature alarm, the temperature alarm is in signal connection with the control switch 14, the first pressure sensor 6 and the second pressure sensor 10 are both in signal connection with the control switch 14, the control switch 14 is fixedly mounted in a cab, the pressure alarm is fixedly mounted inside the cab, a gear pump is arranged inside the transfer case 1, the electromagnetic conversion valve 2 is a dual-channel electromagnetic conversion valve, and the models of the first pressure sensor 6 and the second pressure sensor 10 are JYB-KO-P.
When in use, the circulating power of the lubricating fluid is a gear pump in the transfer case 1, a double-channel electromagnetic conversion valve is adopted in a circulating oil outlet pipeline, and a control switch 14 of the electromagnetic conversion valve 2 is arranged in a cab. The electromagnetic conversion valve 2 is provided with an inlet and two outlets, the inlet is connected to an oil outlet pipeline four 12 of an oil pump of the transfer case 1, an outlet channel of the electromagnetic conversion valve 2 is connected back to the interior of the transfer case 1 through an oil return pipeline three 13, the other outlet channel of the electromagnetic conversion valve 2 is connected to an oil outlet pipe one 3, and signals of the pressure sensor one 6, the pressure sensor two 10 and the temperature sensor 4 are transmitted to a cab. When the military vehicle runs in a cold (-41 ℃) area, the lubricating liquid pumped out by the gear pump is manually returned to the transfer case 1 through the oil return pipeline III 13 by the electromagnetic conversion valve 2, so that the situation that the oil is in a heat dissipation state and cannot be raised to an ideal working temperature (50-80 ℃) is avoided. When the vehicle was in operation, the lubricated liquid carries out the extrinsic cycle heat dissipation through an oil pipe 3, if the artifical damaged or pipeline both ends pressure sensor data of outer loop pipeline of discovery, there is the pressure differential in the pipeline, and the alarm reports to the police in the driver's cabin, and artifical change over switch adjusts the 2 outlet pipeline of electromagnetic conversion valve to return oil pipe way three 13 this moment, and lubricated liquid returns transfer case 1 after being pumped immediately, effectively avoids the possibility that the transfer case oil leak caused the function failure. The vehicle runs on a cross-country road surface in a hot area (the ground temperature is 50 degrees) or other heavy-load working conditions, when the temperature alarm of the cab gives an alarm, the temperature of the lubricating liquid of the transfer case 1 is over high, the electromagnetic conversion valve 2 is switched to the oil return pipeline III 13, the external circulation heat dissipation of the lubricating liquid is carried out, and the normal use of the combat equipment vehicle in a short time is ensured. After the battle is finished, the lubricating liquid is changed into new lubricating liquid under the condition of deterioration.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (10)

1. A military vehicle transfer case oil cooling controlling means, includes transfer case (1), its characterized in that: the transfer case (1) is communicated with one end of a second oil return pipeline (11), one end, far away from the transfer case (1), of the second oil return pipeline (11) is provided with a second pressure sensor (10), one end of the second pressure sensor (10) is communicated with one end of a first oil return pipeline (9), one end, far away from the pressure sensor (10), of the first oil return pipeline (9) is communicated with one end of a heat exchanger (8), the other end of the heat exchanger (8) is communicated with one end of a third oil outlet pipe (7), one end, far away from the first pressure sensor (6), of the third oil outlet pipe (7) is communicated with one end of a first pressure sensor (6), the other end of the first pressure sensor (6) is communicated with one end of a second oil outlet pipe (5), one end, far away from the first pressure sensor (6), of the second oil outlet pipe (5) is communicated with one end of a temperature sensor (4), one end, far away from the second oil outlet pipe (5), of the temperature, one end of the oil outlet pipe I (3) far away from the temperature sensor (4) is communicated with one end of the electromagnetic conversion valve (2), one end of the electromagnetic conversion valve (2) is communicated with one end of the oil outlet pipeline (12), and one end of the oil outlet pipe I (12) far away from the electromagnetic conversion valve (2) is communicated with the transfer case (1).
2. The military vehicle transfer case oil cooling control apparatus of claim 1, wherein: the transfer case (1) is communicated with one end of an oil return pipeline III (13), and the other end of the oil return pipeline III (13) is communicated with the electromagnetic conversion valve (2).
3. The military vehicle transfer case oil cooling control apparatus of claim 1, wherein: the electromagnetic conversion valve (2) is in signal connection with the control switch (14).
4. The military vehicle transfer case oil cooling control apparatus of claim 1, wherein: the temperature alarm is installed on the temperature sensor (4), the temperature sensor (4) is in signal connection with the temperature alarm, and the temperature alarm is in signal connection with the control switch (14).
5. The military vehicle transfer case oil cooling control apparatus of claim 1, wherein: the first pressure sensor (6) and the second pressure sensor (10) are in signal connection with the control switch (14).
6. The military vehicle transfer case oil cooling control apparatus of claim 1, wherein: the control switch (14) is installed in a cab.
7. The military vehicle transfer case oil cooling control apparatus of claim 6, wherein: and a pressure alarm is arranged in the cab.
8. The military vehicle transfer case oil cooling control apparatus of claim 1, wherein: a gear pump is arranged inside the transfer case (1).
9. The military vehicle transfer case oil cooling control apparatus of claim 1, wherein: the electromagnetic conversion valve (2) is a double-channel electromagnetic conversion valve.
10. The military vehicle transfer case oil cooling control apparatus of claim 1, wherein: the models of the first pressure sensor (6) and the second pressure sensor (10) are both JYB-KO-P.
CN202010827526.2A 2020-08-17 2020-08-17 Oil cooling control device for transfer case of military vehicle Pending CN112049922A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010827526.2A CN112049922A (en) 2020-08-17 2020-08-17 Oil cooling control device for transfer case of military vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010827526.2A CN112049922A (en) 2020-08-17 2020-08-17 Oil cooling control device for transfer case of military vehicle

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CN112049922A true CN112049922A (en) 2020-12-08

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114683834A (en) * 2022-05-25 2022-07-01 中汽北消(北京)应急装备科技有限公司 Power system integrated heat dissipation system of large desert transport vehicle
CN116241640A (en) * 2023-03-16 2023-06-09 河北中兴汽车制造有限公司 Vehicle oil cooling device and method with active protection function

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101870280A (en) * 2010-06-17 2010-10-27 徐工集团工程机械股份有限公司科技分公司 Loader and its torque converter circulating cooling and lubricating system
KR20120050547A (en) * 2010-11-11 2012-05-21 현대자동차주식회사 Temperature control system for automatic transmission fluid using bypass valve
CN106969137A (en) * 2017-05-22 2017-07-21 徐工集团工程机械股份有限公司 A kind of gearbox lubrication circuit system
CN207393919U (en) * 2017-09-14 2018-05-22 杭州南华汽车配件有限公司 A kind of transfer case with temperature control device
CN108302188A (en) * 2018-04-02 2018-07-20 国电联合动力技术有限公司 A kind of gearbox lubrication system and its flow of lubrication control method
CN110509765A (en) * 2019-08-15 2019-11-29 哈尔滨北方防务装备股份有限公司 Binodal creeper truck power assembly integrated form cooling system
CN210566161U (en) * 2019-07-25 2020-05-19 徐工集团工程机械股份有限公司科技分公司 Transfer case and electric transmission tire type loader

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101870280A (en) * 2010-06-17 2010-10-27 徐工集团工程机械股份有限公司科技分公司 Loader and its torque converter circulating cooling and lubricating system
KR20120050547A (en) * 2010-11-11 2012-05-21 현대자동차주식회사 Temperature control system for automatic transmission fluid using bypass valve
CN106969137A (en) * 2017-05-22 2017-07-21 徐工集团工程机械股份有限公司 A kind of gearbox lubrication circuit system
CN207393919U (en) * 2017-09-14 2018-05-22 杭州南华汽车配件有限公司 A kind of transfer case with temperature control device
CN108302188A (en) * 2018-04-02 2018-07-20 国电联合动力技术有限公司 A kind of gearbox lubrication system and its flow of lubrication control method
CN210566161U (en) * 2019-07-25 2020-05-19 徐工集团工程机械股份有限公司科技分公司 Transfer case and electric transmission tire type loader
CN110509765A (en) * 2019-08-15 2019-11-29 哈尔滨北方防务装备股份有限公司 Binodal creeper truck power assembly integrated form cooling system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114683834A (en) * 2022-05-25 2022-07-01 中汽北消(北京)应急装备科技有限公司 Power system integrated heat dissipation system of large desert transport vehicle
CN116241640A (en) * 2023-03-16 2023-06-09 河北中兴汽车制造有限公司 Vehicle oil cooling device and method with active protection function

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Application publication date: 20201208