CN112339723B - Cooling device and cooling method for wet disc brake of electric wheel mining vehicle - Google Patents
Cooling device and cooling method for wet disc brake of electric wheel mining vehicle Download PDFInfo
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- CN112339723B CN112339723B CN202011272695.0A CN202011272695A CN112339723B CN 112339723 B CN112339723 B CN 112339723B CN 202011272695 A CN202011272695 A CN 202011272695A CN 112339723 B CN112339723 B CN 112339723B
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- oil
- rear axle
- axle housing
- radiator
- pipe
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- 238000001816 cooling Methods 0.000 title claims abstract description 45
- 238000005065 mining Methods 0.000 title claims abstract description 18
- 238000009434 installation Methods 0.000 claims description 19
- 238000012423 maintenance Methods 0.000 claims description 2
- 230000005855 radiation Effects 0.000 abstract description 2
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T5/00—Vehicle modifications to facilitate cooling of brakes
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The invention discloses a cooling device and a cooling method for a wet disc brake of an electric wheel mining vehicle, wherein the cooling device comprises a cooling fan and a rear axle housing, an air inlet penetrating into the rear axle housing is formed in the top of the rear axle housing, an air duct is fixedly connected to the top of the air inlet, the air duct is communicated with the air inlet, and an air outlet is formed in the bottom of the cooling fan. According to the invention, the first traction motor, the second traction motor and the radiator are arranged in the rear axle housing, cold air is fed into the rear axle housing through the air duct by using the cooling fan, so that the first traction motor, the second traction motor and the radiator can be forcedly cooled, and particularly when the radiator is cooled, the radiator can be effectively cooled by using the convection air duct generated by the spiral fan blades in the first mounting cover and the second mounting cover, so that the heat radiation capacity of the radiator is obviously improved, and the high Wen Youye entering the interior of the radiator is rapidly cooled.
Description
Technical Field
The invention relates to the technical field of brake cooling, in particular to a wet disc brake cooling device of an electric wheel mining vehicle and a cooling method thereof.
Background
The dead weight and rated load capacity of the electric wheel mining vehicle are large, the requirement on the performance of a braking system is high, a safe and efficient wet disc brake is generally adopted, a large amount of heat can be generated when the wet disc brake works, a radiator is arranged outside the brake, and the heat generated during braking is dissipated by means of oil continuously circulated in the brake and the radiator.
However, the existing technical scheme is that the radiator is arranged at the front part of the electric wheel mining vehicle, the heat of oil in the radiator is emitted by means of natural ventilation generated during running of the vehicle, the heat generated by the brake cannot be emitted timely by means of natural ventilation during long-time braking, the high temperature of the brake system is caused, the safety and reliability during braking are affected, and in addition, the problem can be solved by the method of increasing the capacity of the radiator in the prior art, but the structure is huge, and the overall arrangement of the vehicle is difficult.
Disclosure of Invention
The invention aims to provide a cooling device and a cooling method for a wet disc brake of an electric wheel mining vehicle, which are used for solving the problems in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions:
The utility model provides an electric wheel ore car wet disc brake cooling device, includes cooling fan and rear axle housing, the top of rear axle housing is provided with the air intake that runs through to rear axle housing inside, the top fixedly connected with wind channel of air intake, and the wind channel is linked together with the air intake, cooling fan's bottom is provided with the air outlet, and the bottom of air outlet communicates with the top of wind channel, the inside of rear axle housing is provided with the radiator, rear axle housing inside is provided with first installation lid in the top of radiator, the inside below that is located the radiator of rear axle housing is provided with the second installation lid, the inside of first installation lid and second installation lid is upper and lower symmetrical structure, all is connected with the screw blade through the round pin axle hinge connection, two sets of screw blade is upper and lower symmetrical structure, the one end of first installation lid and second installation lid all is provided with the through-hole, one side intercommunication of rear axle housing has first gear box assembly, the opposite side intercommunication of rear axle housing has the second gear box assembly, the inside motor of first gear box assembly is provided with the second gear box assembly, the inside of first motor, the first gear box assembly is provided with the first gear box assembly, the inside of second gear box assembly is provided with the first traction assembly, the first traction device is provided with the first gear box assembly.
Preferably, one side of the radiator is provided with a first oil outlet and a first oil inlet, and the other side of the radiator is provided with a second oil outlet and a second oil inlet.
Preferably, one end of the first oil outlet is communicated with a fourth oil pipe, and one end of the first oil inlet is communicated with a third oil pipe.
Preferably, one end of the second oil outlet is communicated with a second oil pipe, and one end of the second oil inlet is communicated with a first oil pipe.
Preferably, a first brake is mounted on the outer side of the first gear box assembly, and a second brake is mounted on the outer side of the second gear box assembly.
Preferably, a first oil inlet pipe and a first oil outlet pipe are arranged on one side of the first brake, one end of the first oil inlet pipe is communicated with one end of the fourth oil pipe, and one end of the first oil outlet pipe is communicated with one end of the third oil pipe.
Preferably, a second oil inlet pipe and a second oil outlet pipe are arranged on one side of the second brake, one end of the second oil inlet pipe is communicated with one end of the second oil pipe, and one end of the second oil outlet pipe is communicated with one end of the first oil pipe.
The invention also provides a cooling method of the wet disc brake cooling device of the electric wheel mining vehicle, wherein the first mounting cover and the second mounting cover are respectively arranged at the upper end and the lower end of the radiator in the rear axle housing before use, then the electric wheel mining vehicle is started when in use, and then the switch of the cooling fan is opened to cool the interior of the rear axle housing, and when the electric wheel mining vehicle is used for a long time and needs maintenance, the cooling fan and parts in the rear axle housing can be replaced.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the first traction motor, the second traction motor and the radiator are arranged in the rear axle housing, cold air is fed into the rear axle housing through the air duct by using the cooling fan, so that the first traction motor, the second traction motor and the radiator can be forcedly cooled, and particularly when the radiator is cooled, the radiator can be effectively cooled by using the convection air duct generated by the spiral fan blades in the first mounting cover and the second mounting cover, so that the heat radiation capacity of the radiator is obviously improved, and the high Wen Youye entering the interior of the radiator is rapidly cooled.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a schematic view showing an internal structure of a rear axle housing according to the present invention;
FIG. 3 is a schematic view of the internal structure of the first gearbox assembly of the present invention;
Fig. 4 is a schematic view showing the internal structure of the first mounting cover of the present invention.
In the figure: 1. a cooling fan; 111. an air outlet; 2. an air duct; 3. a heat sink; 311. a first oil outlet; 312. a first oil inlet; 313. a second oil outlet; 314. a second oil inlet; 4. a first traction motor; 5. a second traction motor; 6. a first gearbox assembly; 7. a second gearbox assembly; 8. a first brake; 811. a first oil inlet pipe; 812. a first flowline; 9. a second brake; 911. a second oil inlet pipe; 912. a second oil outlet pipe; 10. a first oil pipe; 11. a second oil pipe; 12. a third oil pipe; 13. a fourth oil pipe; 14. a rear axle housing; 141. an air inlet; 15. a first mounting cover; 16. a second mounting cover; 17. a through hole; 18. a vent hole; 19. spiral fan blade.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-4, an embodiment of the present invention is provided:
The utility model provides an electric wheel ore car wet disc brake cooling device, including cooling fan 1 and rear axle housing 14, the top of rear axle housing 14 is provided with the air intake 141 that runs through to rear axle housing 14 inside, the top fixedly connected with wind channel 2 of air intake 141, and wind channel 2 and air intake 141 are linked together, the bottom of cooling fan 1 is provided with air outlet 111, and the bottom of air outlet 111 communicates with the top of wind channel 2, the inside of rear axle housing 14 is provided with radiator 3, the inside top that is located radiator 3 of rear axle housing 14 is provided with first installation lid 15, the inside below that is located radiator 3 of rear axle housing 14 is provided with second installation lid 16, first installation lid 15 and second installation lid 16 are the upper and lower symmetrical structure, the inside of first installation lid 15 and second installation lid 16 all is connected with helical blade 19 through the round pin axle hinge, two sets of helical blade 19 are the upper and lower symmetrical structure, the one side intercommunication of rear axle housing 14 has first gear box assembly 6, the inside of rear axle housing 14 is located the top of radiator 3, the inside is provided with second installation lid 7 motor gear box assembly, the inside is provided with first gear box assembly 7, the inside of first gear box assembly 7 is installed with the second gear box assembly 7, the inside is installed with the first gear box assembly 7, the inside is installed with the second gear box assembly is installed with the inside the first gear box assembly is 7, the inside is installed with the inside the drive assembly is equipped with the gear box assembly is 7, the inside is the drive axle assembly is the drive axle is equipped with the drive axle assembly is the drive axle is.
According to the invention, the first traction motor 4, the second traction motor 5 and the radiator 3 are arranged in the rear axle housing 14, cold air is fed into the rear axle housing 14 through the air duct 2 by using the cooling fan 1, so that the first traction motor 4, the second traction motor 5 and the radiator 3 can be forcedly cooled, and particularly when the radiator 3 is cooled, the radiator 3 can be effectively cooled by using the convection air duct generated by the spiral fan blades 19 in the first mounting cover 15 and the second mounting cover 16, so that the heat dissipation capacity of the radiator 3 is obviously improved, and the high Wen Youye entering the radiator 3 is rapidly cooled, so that the radiator has the advantages of simple structure, safety and reliability.
Referring to fig. 1 and 2, a first oil outlet 311 and a first oil inlet 312 are disposed on one side of the radiator 3, a second oil outlet 313 and a second oil inlet 314 are disposed on the other side of the radiator 3, one end of the first oil outlet 311 is communicated with the fourth oil pipe 13, one end of the first oil inlet 312 is communicated with the third oil pipe 12, one end of the second oil outlet 313 is communicated with the second oil pipe 11, one end of the second oil inlet 314 is communicated with the first oil pipe 10, a first brake 8 is mounted on the outer side of the first gearbox assembly 6, a second brake 9 is mounted on the outer side of the second gearbox assembly 7, a first oil inlet pipe 811 and a first oil outlet pipe 812 are disposed on one side of the first brake 8, one end of the first oil inlet pipe 811 is communicated with one end of the fourth oil pipe 13, one end of the first oil outlet pipe 812 is communicated with one end of the third oil pipe 12, one side of the second brake 9 is provided with the second oil inlet pipe 911 and the second oil outlet pipe 912, one end of the second oil inlet pipe 912 is communicated with one end of the second oil pipe 11, and one end of the second oil outlet pipe 912 is communicated with one end of the first oil pipe 911 is communicated with one end of the first oil pipe 10.
According to the cooling device and the cooling method for the wet disc brake of the electric wheel mining vehicle, the first oil pipe 10 enters the radiator 3 through the first oil outlet pipe 812, the third oil pipe 12 and the second oil outlet pipe 912 on the first brake 8 and the second oil pipe 10 which are arranged on the second brake 9, and the high Wen Youye sequentially passes through the first oil outlet 311, the fourth oil pipe 13, the second oil outlet 313 and the second oil pipe 11 after being cooled in the radiator 3 and enters the first brake 8 and the second brake 9, so that one working cycle is completed, and further the cooling is completed.
Working principle: when the vehicle is braked, the heights Wen Youye generated by the operation in the first brake 8 and the second brake 9 can enter the third oil pipe 12 and the first oil pipe 10 respectively through the first oil outlet pipe 812 on the first brake 8 and the second oil outlet pipe 912 on the second brake 9, then enter the radiator 3 through the third oil pipe 12 and the first oil pipe 10, the heights Wen Youye are cooled in the radiator 3 and enter the fourth oil pipe 13 and the second oil pipe 11 respectively through the first oil outlet 311 and the second oil outlet 313, then enter the first brake 8 and the second brake 9 to complete a working cycle, meanwhile, the cooling fan 1 is started and sucks air, and the air enters the rear axle housing 14 through the air outlet 111, the air flue 2 and the air inlet 141 in sequence, after entering the rear axle housing 14, the cooling air blows the spiral blades 19 inside the first mounting cover 15 to rotate, the spiral blades 19 inside the first mounting cover 15 rotate clockwise, because the spiral blades 19 are in a spiral arc shape, and the rotation direction of the spiral blades 19 inside the second mounting cover 16 is opposite to that of the spiral blades 19 inside the first mounting cover 15, when the spiral blades 19 inside the first mounting cover 15 rotate clockwise, under the action of centrifugal force, the spiral blades 19 inside the second mounting cover 16 absorb wind force and rotate in the opposite direction, namely anticlockwise, so that the radiator 3 inside the first mounting cover 15 and the second mounting cover 16 can be effectively cooled, the cooling effect is better, and meanwhile, after the partially divergent cooling air cools the first traction motor 4 and the second traction motor 5, the hot air is then vented to atmosphere through vent holes 18 in the first gearbox assembly 6 and the second gearbox assembly 7.
Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.
Claims (6)
1. The utility model provides an electric wheel mining vehicle wet disc brake cooling device, includes cooling fan (1) and rear axle housing (14), its characterized in that, the top of rear axle housing (14) is provided with air intake (141) that runs through to rear axle housing (14) inside, the top fixedly connected with wind channel (2) of air intake (141), and wind channel (2) are linked together with air intake (141), the bottom of cooling fan (1) is provided with air outlet (111), and the bottom of air outlet (111) communicates with the top of wind channel (2), the inside of rear axle housing (14) is provided with radiator (3), the top that is located radiator (3) inside rear axle housing (14) is provided with first installation lid (15), the below that is located radiator (3) inside rear axle housing (14) is provided with second installation lid (16), first installation lid (15) are with second installation lid (16) and are symmetrical structure from top to bottom, the inside of first installation lid (15) and second installation lid (16) are connected with the top to bottom of wind channel (2) through hinge pin, fan blade (19) are connected with one side (19) and two screw-in pair (16) and are all connected with one side (16) and are provided with first through-hole (17), the other side of the rear axle housing (14) is communicated with a second gear box assembly (7), a first traction motor (4) is arranged in the first gear box assembly (6), a second traction motor (5) is arranged in the second gear box assembly (7), and vent holes (18) are formed in the outer sides of the first gear box assembly (6) and the outer sides of the second gear box assembly (7); a first brake (8) is arranged on the outer side of the first gear box assembly (6), and a second brake (9) is arranged on the outer side of the second gear box assembly (7); before use, the first mounting cover (15) and the second mounting cover (16) are respectively mounted at the upper end and the lower end of the radiator (3) inside the rear axle housing (14), then the electric wheel mining vehicle is started when in use, the switch of the cooling fan (1) is opened, the inside of the rear axle housing (14) is cooled, and when maintenance is needed after use, the cooling fan (1) and parts inside the rear axle housing (14) are replaced.
2. The electric wheel mining vehicle wet disc brake cooling device of claim 1, wherein: one side of the radiator (3) is provided with a first oil outlet (311) and a first oil inlet (312), and the other side of the radiator (3) is provided with a second oil outlet (313) and a second oil inlet (314).
3. The electric wheel mining vehicle wet disc brake cooling apparatus of claim 2, wherein: one end of the first oil outlet (311) is communicated with a fourth oil pipe (13), and one end of the first oil inlet (312) is communicated with a third oil pipe (12).
4. The electric wheel mining vehicle wet disc brake cooling apparatus of claim 2, wherein: one end of the second oil outlet (313) is communicated with a second oil pipe (11), and one end of the second oil inlet (314) is communicated with a first oil pipe (10).
5. A wet disc brake cooling device for electric wheel mining vehicles according to claim 1 or 3, characterized in that: one side of the first brake (8) is provided with a first oil inlet pipe (811) and a first oil outlet pipe (812), one end of the first oil inlet pipe (811) is communicated with one end of the fourth oil pipe (13), and one end of the first oil outlet pipe (812) is communicated with one end of the third oil pipe (12).
6. The electric wheel mining vehicle wet disc brake cooling apparatus of claim 5, wherein: one side of the second brake (9) is provided with a second oil inlet pipe (911) and a second oil outlet pipe (912), one end of the second oil inlet pipe (911) is communicated with one end of the second oil pipe (11), and one end of the second oil outlet pipe (912) is communicated with one end of the first oil pipe (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011272695.0A CN112339723B (en) | 2020-11-13 | 2020-11-13 | Cooling device and cooling method for wet disc brake of electric wheel mining vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011272695.0A CN112339723B (en) | 2020-11-13 | 2020-11-13 | Cooling device and cooling method for wet disc brake of electric wheel mining vehicle |
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| Publication Number | Publication Date |
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| CN112339723A CN112339723A (en) | 2021-02-09 |
| CN112339723B true CN112339723B (en) | 2024-06-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011272695.0A Active CN112339723B (en) | 2020-11-13 | 2020-11-13 | Cooling device and cooling method for wet disc brake of electric wheel mining vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE102021213092A1 (en) * | 2021-11-22 | 2023-05-25 | Zf Friedrichshafen Ag | Electrically powered vehicle with wet service brakes |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN214355952U (en) * | 2020-11-13 | 2021-10-08 | 内蒙古北方重型汽车股份有限公司 | Cooling device for wet disc brake of mining vehicle with electric wheels |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030188933A1 (en) * | 2002-04-05 | 2003-10-09 | Johnson Michael E. | Cooling system for axle assembly |
| CN103042912B (en) * | 2012-12-26 | 2015-10-28 | 徐工集团工程机械股份有限公司江苏徐州工程机械研究院 | The cooling air duct construction of a kind of mining dump truck with electric wheels wheel limit traction electric machine and drg |
| KR101542992B1 (en) * | 2014-05-08 | 2015-08-07 | 현대자동차 주식회사 | Cooling system for vehicle |
| CN105650152B (en) * | 2016-04-01 | 2017-12-01 | 江朝汽车（金湖）有限公司 | A kind of dish brake apparatus cooled down automatically |
| CN210461265U (en) * | 2019-08-27 | 2020-05-05 | 山西省防爆机车研究所(有限公司) | Air cooling control device for brake of mining explosion-proof locomotive |
| CN210554728U (en) * | 2019-09-19 | 2020-05-19 | 徐州徐工矿业机械有限公司 | Articulated mining dump truck and brake cooling system heat abstractor thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN214355952U (en) * | 2020-11-13 | 2021-10-08 | 内蒙古北方重型汽车股份有限公司 | Cooling device for wet disc brake of mining vehicle with electric wheels |
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