CN203500441U - Water-cooled gear transmission system - Google Patents
Water-cooled gear transmission system Download PDFInfo
- Publication number
- CN203500441U CN203500441U CN201320601068.6U CN201320601068U CN203500441U CN 203500441 U CN203500441 U CN 203500441U CN 201320601068 U CN201320601068 U CN 201320601068U CN 203500441 U CN203500441 U CN 203500441U
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- China
- Prior art keywords
- cooling water
- water circulation
- retarder
- motor
- casing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
Abstract
The utility model discloses a water-cooled gear transmission system. The water-cooled gear transmission system comprises a motor and a reducer. The motor is connected with the reducer. The motor is provided with a motor output shaft. The reducer comprises a box body and an output end. A motor cooling water circulating channel is arranged on an outer shell of the motor. A motor cooling water inlet and a motor cooling water outlet are communicated with the motor cooling water circulating channel and are formed in the outer shell of the motor. The reducer further comprises a planetary gear train which is connected with the motor output shaft. A box body of the reducer is provided with a cooling water circulating cavity, a reducer cooling water inlet and a reducer cooling water outlet. The cooling water circulating cavity is communicated with the reducer cooling water inlet and the reducer cooling water outlet. The water-cooled gear transmission system is compact in structure, stable in running and capable of effectively lowering the temperature inside the reducer.
Description
Technical field
The utility model relates to a kind of gear train assembly, especially relates to a kind of gear train assembly of electric vehicle.
Background technique
At present, for miniaturization, light-weighted high-power, high-revolving gear train assembly demand is more and more, along with the volume of gear train assembly is more and more less, it is effectively cooling that common flooding system lubrication and splash lubrication are difficult to realize gear train assembly, follow the rising of temperature in gear train assembly, component in gear train assembly can be a greater impact, especially in gear train assembly oil body can be with the rising of temperature reduced viscosity, can not be at gear, the surface of bearing etc. forms effective oily mucous membrane, increased the frictional force between gear teeth face and between bearing roller and raceway, make the temperature of gear and bearing raise too high, cause the like product that uses under the service life as compared normal temperature of gear and bearing short.And pressure lubrication need to be arranged oil nozzle and lubricating oil pipeline in gear train assembly, comparatively complicated to the design of the gear train assembly of compact type, but also needing extra oil circulation pump, holistic cost is higher, cannot effectively tackle fierce market competition.
Summary of the invention
The water-cooled gear train assembly that the purpose of this utility model is to provide a kind of compact structure, can effectively reduces retarder inside temperature.
In order to achieve the above object, the technical solution of the utility model is: a kind of water-cooled gear train assembly, comprise motor and retarder, described motor and retarder join, motor has motor output shaft, described retarder comprises casing and output terminal, the shell of described motor is provided with motor cooling water circulation water channel, and be provided with motor cooling water intake and the motor coolant outlet communicating with cooling water circulation water channel, described retarder also comprises the epicyclic train being connected with motor output shaft, the casing of described retarder is provided with cooling water circulation chamber, retarder cooling water intake and retarder coolant outlet, cooling water circulation chamber communicates with retarder cooling water intake and retarder coolant outlet.
Described epicyclic train comprises sun gear, ring gear, planet carrier and several planetary pinions, described sun gear is fixedly connected with motor output shaft, described ring gear is fixedly connected with casing, described several planetary gear rotations are supported on planet carrier and are circumferentially uniform along planet carrier, planetary pinion and sun gear and ring gear engagement, described planet carrier is rotatably supported on casing by clutch shaft bearing, and have the external part that stretches out casing, described output terminal is output flange and the external part that is fixedly connected on planet carrier.
The external part of the planet carrier of described motor output shaft and described epicyclic train coaxially arranges.
Described casing comprises casing main body, cooling water circulation cavity and cooling water circulation chamber cover plate, described cooling water circulation cavity and casing main body are made one or are fixed together, described cooling water circulation chamber cover plate is fixed on cooling water circulation cavity, and described cooling water circulation chamber is surrounded jointly by cooling water circulation cavity and cooling water circulation chamber cover plate.
In described cooling water circulation cavity, there is left and right horizontal gusset, the wrong layout of described left and right horizontal gusset submission forms zigzag lead, when the left end of a horizontal gusset in a left side and the left wall of cooling water circulation cavity join, between its right-hand member and the right wall of cooling water circulation cavity, leave space, right side; The left end of the right side horizontal gusset adjacent with an above-mentioned horizontal gusset in a left side leaves space, left side with the left wall of cooling water circulation cavity, and the right wall of its right-hand member and cooling water circulation cavity joins; Described left and right horizontal gusset is divided into left-hand, dextrad cross channel by cooling water circulation cavity, and gap, described left side and gap, right side form respectively left side longitudinally water channel and the longitudinal water channel in right side.
Described retarder cooling water intake is positioned at the left side edge place of dextrad cross channel of the topmost part in cooling water circulation chamber, and connect with the upstream of the dextrad cross channel of the topmost part, described retarder coolant outlet be positioned at cooling water circulation chamber foot dextrad cross channel right side edge place and connect with the downstream of the dextrad cross channel of foot.
Described cooling water circulation cavity is positioned at the bottom, outer end of casing main body, and extends to the both sides of casing main body.
In described cooling water circulation cavity, have many upper and lower vertical gussets, described many upper and lower vertical gussets are interlaced arrangement and form zigzag lead.
The end face of described motor is provided with end cap, end cap is provided with through hole, described motor output shaft enters the casing of retarder through through hole, the front end of described motor output shaft is rotatably supported on the through hole of end cap by the second bearing, between the inwall of described through hole and the outer round surface of motor output shaft, be provided with outside framework oil seal, and outside framework oil seal is positioned at close retarder one side of the second bearing.
Adopt after said structure, the beneficial effects of the utility model are mainly reflected in: retarder adopts epicyclic train, and its vibration arm of force is cancelled out each other, more steady when high speed operation, and compact structure, have reduced the volume and weight of retarder; The casing of retarder is provided with cooling water circulation chamber, therefore, when current flow through cooling water circulation chamber, water flow energy and retarder carry out effective heat exchange and take away the heat of gear train assembly inside, and current are smooth and easy, water resistance is little, without very high hydraulic pressure, supply water, good cooling results, guarantees the reliability of gear train assembly when high-power, high rotation speed operation.
Accompanying drawing explanation
The embodiment who provides below in conjunction with accompanying drawing is described in further detail the utility model.
Fig. 1 is the perspective view of water-cooled gear train assembly of the present utility model;
Fig. 2 is sectional drawing of the present utility model;
Fig. 3 is the front view of the casing of the retarder in Fig. 1.
Embodiment
As Fig. 1, 2, shown in 3, a kind of water-cooled gear train assembly of the present utility model, comprise motor 1 and retarder 4, described motor 1 joins with retarder 4, motor 1 has motor output shaft 14, described retarder 4 comprises casing 9 and output terminal 7, the shell of described motor 1 is provided with motor cooling water circulation water channel 10, and be provided with motor cooling water intake 2 and the motor coolant outlet 3 communicating with cooling water circulation water channel 10, described retarder 4 also comprises the epicyclic train being connected with motor output shaft 14, the casing 9 of described retarder 4 is provided with cooling water circulation chamber 6-1, retarder cooling water intake 8 and retarder coolant outlet 5, cooling water circulation chamber 6-1 communicates with retarder cooling water intake 8 and retarder coolant outlet 5.
As shown in Figure 2, described epicyclic train comprises sun gear 13, ring gear 23, planet carrier 18 and several planetary pinions 22, described sun gear 13 is fixedly connected with motor output shaft 14, described ring gear 23 is fixedly connected with casing 9, described several planetary pinions 22 are rotatably supported on planet carrier 18 and are circumferentially uniform along planet carrier 18, planetary pinion 22 and sun gear 13 and ring gear 23 engagements, described planet carrier 18 is rotatably supported on casing 9 by clutch shaft bearing 20, and there is the external part that stretches out casing 9, described output terminal 7 is output flange and the external part that is fixedly connected on planet carrier 18.
As shown in Figure 2, described motor output shaft 14 coaxially arranges with the external part of the planet carrier 18 of described epicyclic train.
As shown in Figure 1, 2, 3, described casing 9 comprises casing main body 16, cooling water circulation cavity 6 and cooling water circulation chamber cover plate 17, described cooling water circulation cavity 6 is made one or is fixed together with casing main body 16, described cooling water circulation chamber cover plate 17 is fixed on cooling water circulation cavity 6, and described cooling water circulation chamber 6-1 is surrounded jointly by cooling water circulation cavity 6 and cooling water circulation chamber cover plate 17.
As shown in Figure 2,3, in described cooling water circulation cavity 6, there is left and right horizontal gusset 25,25 ', described left and right horizontal gusset 25,25 ' is interlaced arrangement and forms zigzag lead, when the left end of a horizontal gusset 25 in a left side and the left wall of cooling water circulation cavity 6 join, between its right-hand member and the right wall of cooling water circulation cavity 6, leave space, right side 24; The left end of the right side horizontal gusset 25 ' adjacent with the horizontal gusset 25 in an above-mentioned left side leaves space 28, left side with the left wall of cooling water circulation cavity 6, and the right wall of its right-hand member and cooling water circulation cavity 6 joins; Described left and right horizontal gusset 25,25 ' is divided into left-hand, dextrad cross channel 26,27 by cooling water circulation cavity 6, and 24 places, space, 28Chu He right side, space, described left side form respectively left side longitudinally water channel and the longitudinal water channel in right side.The benefit of the gusset arrangement in the present embodiment be can maximum area contact reduction case 9, and make that its inner cooling water flow is smooth and easy, water resistance is little, without very high hydraulic pressure, supply water, good cooling results.Certainly, described many left and right horizontal gussets 25,25 ' also can adopt other structural types, for example, are provided with many upper and lower vertical gussets in cooling water circulation cavity 6, and described many upper and lower vertical gussets are interlaced arrangement and form zigzag lead.
As shown in Figure 1,3, described retarder cooling water intake 8 is positioned at the left side edge place of dextrad cross channel 27 of the topmost part of cooling water circulation chamber 6-1, and connect with the upstream of the dextrad cross channel 27 of the topmost part, described retarder coolant outlet 5 be positioned at cooling water circulation chamber 6-1 foot dextrad cross channel 27 right side edge place and connect with the downstream of the dextrad cross channel 27 of foot.
As shown in Figure 3, described cooling water circulation cavity 6 is positioned at the bottom, outer end of casing main body 16, and extends to the both sides of casing main body 16.Retarder 4 in use, by the lubricant oil in casing 9, the transmission part in casing 9 is lubricated with cooling, lubricant oil finally can be back to the bottom of casing 9, by the bottom of retarder 4 and sidepiece are arranged to cooling water circulation cavity 6, can effectively to lubricant oil, carry out cooling, and indirectly the transmission part in casing 9 is carried out coolingly, realize to reduce the object of retarder temperature.Cooling water circulation cavity 6 is not limited to the bottom of casing main body 16 and the side of bottom of retarder 4, also can be arranged on according to the actual features of retarder 4 other positions of retarder 4.
As shown in Figure 2, the end face of described motor 1 is provided with end cap 11, end cap 11 is provided with through hole 11-1, described motor output shaft 14 enters the casing 9 of retarder 4 through through hole 11-1, the front end of described motor output shaft 14 is rotatably supported on the through hole 11-1 of end cap 11 by the second bearing 12, between the outer round surface of the inwall of described through hole 11-1 and motor output shaft 14, be provided with outside framework oil seal 15, and outside framework oil seal 15 is positioned at close retarder one side of the second bearing 12.
As shown in Figure 1, 2, 3, when the utility model is used, cooling water flow enters the motor cooling water circulation water channel 10 of motor 1 through the motor cooling water intake 2 of described motor 1, and through motor coolant outlet 3 outflow motors 1, cooling water flow when cooling water circulation water channel 10 and motor 1 carry out heat exchange, the cooling water circulation water channel 10 of the heat of motor 1 being taken out of and through external refrigeration system, water quench also being entered to motor 1 again carries out cool cycles, to motor 1, carries out cooling.Identical, cooling water flow enters the cooling water circulation chamber 6-1 of retarder 4 through the retarder cooling water intake 8 of described retarder 4, and flow out retarder 4 through retarder coolant outlet 5, cooling water flow when the 6-1 of cooling water circulation chamber and retarder 4 carry out heat exchange, the cooling water circulation chamber 6-1 that the heat of retarder 4 is taken out of and through external refrigeration system, water quench is also entered to retarder 4 again carries out cool cycles, to retarder 4, carries out cooling.Described motor 1 cooling water circulation can be connected in parallel with the cooling water circulation of retarder 4, through the cooled cooling water of outside cooling system, through the motor cooling water intake 2 of motor 1 and the retarder cooling water intake 8 of retarder 4, enter respectively simultaneously, and divide other through the motor coolant outlet 3 of motor 1 and the retarder coolant outlet of retarder 45 outflow simultaneously; Described motor 1 cooling water circulation also can be connected in series with the cooling water circulation of retarder 4, the cooling water after external refrigeration system cools first enters the motor cooling water circulation water channel 10 of motor 1 through the motor cooling water intake 2 of motor 1, the motor coolant outlet 3 of motor 1 is connected with the retarder cooling water intake 8 of retarder 4, cooling water flow continues to enter the cooling water circulation chamber 6-1 of retarder 4 after motor 1, and then cooling water flows out gear train assembly through the retarder coolant outlet 5 of retarder 4.Equally, cooling water also can first be flowed through after retarder 4 and be continued to enter motor 1 again, and flows out from the motor coolant outlet 3 of motor 1, to external refrigeration system cools.
Claims (9)
1. a water-cooled gear train assembly, comprise motor (1) and retarder (4), described motor (1) joins with retarder (4), motor (1) has motor output shaft (14), described retarder (4) comprises casing (9) and output terminal (7), the shell of described motor (1) is provided with motor cooling water circulation water channel (10), and is provided with motor cooling water intake (2) and the motor coolant outlet (3) communicating with cooling water circulation water channel (10), it is characterized in that:
A, described retarder (4) also comprise the epicyclic train being connected with motor output shaft (14),
The casing (9) of b, described retarder (4) is provided with cooling water circulation chamber (6-1), retarder cooling water intake (8) and retarder coolant outlet (5), and cooling water circulation chamber (6-1) communicates with retarder cooling water intake (8) and retarder coolant outlet (5).
2. water-cooled gear train assembly according to claim 1, it is characterized in that: described epicyclic train comprises sun gear (13), ring gear (23), planet carrier (18) and several planetary pinions (22), described sun gear (13) is fixedly connected with motor output shaft (14), described ring gear (23) is fixedly connected with casing (9), it is upper and circumferentially uniform along planet carrier (18) that described several planetary pinions (22) are rotatably supported in planet carrier (18), planetary pinion (22) and sun gear (13) and ring gear (23) engagement, described planet carrier (18) is rotatably supported on casing (9) by clutch shaft bearing (20), and there is the external part that stretches out casing (9), described output terminal (7) is output flange and the external part that is fixedly connected on planet carrier (18).
3. water-cooled gear train assembly according to claim 1, is characterized in that: described motor output shaft (14) coaxially arranges with the external part of the planet carrier (18) of described epicyclic train.
4. according to the water-cooled gear train assembly described in claim 1 or 2 or 3, it is characterized in that: described casing (9) comprises casing main body (16), cooling water circulation cavity (6) and cooling water circulation chamber cover plate (17), described cooling water circulation cavity (6) is made one or is fixed together with casing main body (16), it is upper that described cooling water circulation chamber cover plate (17) is fixed on cooling water circulation cavity (6), and described cooling water circulation chamber (6-1) is surrounded jointly by cooling water circulation cavity (6) and cooling water circulation chamber cover plate (17).
5. water-cooled gear train assembly according to claim 4, it is characterized in that: in described cooling water circulation cavity (6), there is left and right horizontal gusset (25,25 '), described left and right horizontal gusset (25,25 ') is interlaced arrangement and forms zigzag lead, when the left end of a horizontal gusset in a left side (25) and the left wall of cooling water circulation cavity (6) join, between its right-hand member and the right wall of cooling water circulation cavity (6), leave space, right side (24); The left end of the right side horizontal gusset (25 ') adjacent with an above-mentioned horizontal gusset in a left side (25) leaves space (28), left side with the left wall of cooling water circulation cavity (6), and the right wall of its right-hand member and cooling water circulation cavity (6) joins; Described left and right horizontal gusset (25,25 ') is divided into left-hand, dextrad cross channel (26,27) by cooling water circulation cavity (6), and space, described left side (28) is located to locate to form respectively left side longitudinally water channel and the longitudinal water channel in right side with space, right side (24).
6. water-cooled gear train assembly according to claim 5, it is characterized in that: described retarder cooling water intake (8) is positioned at the left side edge place of dextrad cross channel (27) of the topmost part in cooling water circulation chamber (6-1), and connect with the upstream of the dextrad cross channel (27) of the topmost part, described retarder coolant outlet (5) be positioned at cooling water circulation chamber (6-1) foot dextrad cross channel (27) right side edge place and connect with the downstream of the dextrad cross channel (27) of foot.
7. water-cooled gear train assembly according to claim 4, is characterized in that: described cooling water circulation cavity (6) is positioned at the bottom, outer end of casing main body (16), and extends to the both sides of casing main body (16).
8. water-cooled gear train assembly according to claim 4, is characterized in that: in described cooling water circulation cavity (6), have many upper and lower vertical gussets, described many upper and lower vertical gussets are interlaced arrangement and form zigzag lead.
9. water-cooled gear train assembly according to claim 1, it is characterized in that: the end face of described motor (1) is provided with end cap (11), end cap (11) is provided with through hole (11-1), described motor output shaft (14) enters the casing (9) of retarder (4) through through hole (11-1), the front end of described motor output shaft (14) is rotatably supported on the through hole (11-1) of end cap (11) by the second bearing (12), between the outer round surface of the inwall of described through hole (11-1) and motor output shaft (14), be provided with outside framework oil seal (15), and outside framework oil seal (15) is positioned at close retarder one side of the second bearing (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320601068.6U CN203500441U (en) | 2013-09-27 | 2013-09-27 | Water-cooled gear transmission system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320601068.6U CN203500441U (en) | 2013-09-27 | 2013-09-27 | Water-cooled gear transmission system |
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| Publication Number | Publication Date |
|---|---|
| CN203500441U true CN203500441U (en) | 2014-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320601068.6U Expired - Fee Related CN203500441U (en) | 2013-09-27 | 2013-09-27 | Water-cooled gear transmission system |
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| CN (1) | CN203500441U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104505968A (en) * | 2015-01-08 | 2015-04-08 | 张志雄 | End cover water-cooled molybdenum alloy gear electromotor |
| CN106641217A (en) * | 2017-02-27 | 2017-05-10 | 索特传动设备有限公司 | Rotary speed reducer and rotary speed reducer for walking |
| CN107606142A (en) * | 2017-09-15 | 2018-01-19 | 无锡市白马机械设备有限公司 | The automobile shift fork of water cooling plant is installed |
| CN108266519A (en) * | 2016-12-31 | 2018-07-10 | 绩溪县徽洋车桥有限责任公司 | A kind of electric vehicle master gear oil temperature intelligent temperature control device |
| CN110925405A (en) * | 2019-12-27 | 2020-03-27 | 中车戚墅堰机车车辆工艺研究所有限公司 | Speed reducer housing, dual-drive speed reducer and automobile |
| DE102021103789A1 (en) | 2021-02-18 | 2022-08-18 | Bayerische Motoren Werke Aktiengesellschaft | transmission cooling |
-
2013
- 2013-09-27 CN CN201320601068.6U patent/CN203500441U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104505968A (en) * | 2015-01-08 | 2015-04-08 | 张志雄 | End cover water-cooled molybdenum alloy gear electromotor |
| CN108266519A (en) * | 2016-12-31 | 2018-07-10 | 绩溪县徽洋车桥有限责任公司 | A kind of electric vehicle master gear oil temperature intelligent temperature control device |
| CN106641217A (en) * | 2017-02-27 | 2017-05-10 | 索特传动设备有限公司 | Rotary speed reducer and rotary speed reducer for walking |
| CN107606142A (en) * | 2017-09-15 | 2018-01-19 | 无锡市白马机械设备有限公司 | The automobile shift fork of water cooling plant is installed |
| CN110925405A (en) * | 2019-12-27 | 2020-03-27 | 中车戚墅堰机车车辆工艺研究所有限公司 | Speed reducer housing, dual-drive speed reducer and automobile |
| DE102021103789A1 (en) | 2021-02-18 | 2022-08-18 | Bayerische Motoren Werke Aktiengesellschaft | transmission cooling |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 213011 Wuyi Road, Qishuyan District, Jiangsu, China, No. 258, No. Patentee after: CRRC QISHUYAN INSTITUTE CO., LTD. Address before: 213011 Wuyi Road, Qishuyan District, Jiangsu, China, No. 258, No. Patentee before: Nanche Qisuyan Engine and Vehicle Technics Institute Co., Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 213011 Wuyi Road, Jiangsu, Changzhou, No. 258 Patentee after: CRRC QISHUYAN INSTITUTE CO., LTD. Address before: 213011 Wuyi Road, Qishuyan District, Jiangsu, China, No. 258, No. Patentee before: CRRC QISHUYAN INSTITUTE CO., LTD. |
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| CP02 | Change in the address of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140326 Termination date: 20180927 |
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| CF01 | Termination of patent right due to non-payment of annual fee |