CN201789372U - Parallel shaft gear speed reducer integrated with motor - Google Patents
Parallel shaft gear speed reducer integrated with motor Download PDFInfo
- Publication number
- CN201789372U CN201789372U CN2010201709120U CN201020170912U CN201789372U CN 201789372 U CN201789372 U CN 201789372U CN 2010201709120 U CN2010201709120 U CN 2010201709120U CN 201020170912 U CN201020170912 U CN 201020170912U CN 201789372 U CN201789372 U CN 201789372U
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- Prior art keywords
- motor
- output
- shaft
- casing
- gear
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- 239000003638 reducing agent Substances 0.000 title abstract description 5
- 238000007789 sealing Methods 0.000 claims description 28
- 210000003027 Ear, Inner Anatomy 0.000 claims description 20
- 230000000875 corresponding Effects 0.000 claims description 9
- 239000003921 oil Substances 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005755 formation reaction Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000002156 adsorbate Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
Abstract
The utility model discloses a parallel shaft gear speed reducer integrated with a motor, which comprises the motor, a gearbox body, an input gear, an intermediate big gear, an intermediate pinion, an intermediate shaft, an output gear and an output shaft. The intermediate pinion and the intermediate shaft are manufactured integrally or connected fixedly, the gearbox body comprises a motor end box body, an intermediate box body and an output end box body which are connected successively, wherein the motor end box body is also utilized as a motor end cover and fixed on a motor casing, a motor shaft of the motor is also utilized as an input shaft and extends into the motor end box body, an input end of the motor shaft is supported on the motor end box body through a bearing, the input gear is fixedly mounted at the input end of the motor shaft, two ends of the intermediate shaft are respectively supported on the motor end box body and the output end box body through bearings, and two ends of the output shaft are respectively supported on the intermediate box body and the output end box body through bearings. The parallel shaft gear speed reducer is reasonable and simple in structure, low in cost and convenient in assembling and processing.
Description
Technical field
The utility model relates to a kind of and automobile two-stage mechanical reduction gear motor integration, refers in particular to the parallel-axes gears deceleration device that is used for trolley bus or serial type hybrid automobile.
Background technology
Trolley bus, serial type hybrid automobile are separate unit with reduction gear box at present, and decelerator is rigidly connected with motor by the axle of spline or band flat key.This connected mode has following deficiency:
1, decelerator and motor are separate unit, between the two for being rigidly connected, because the existence of rigging error, often make motor shaft and reducer input shaft disalignment, thereby cause the connecting portion bearing load inhomogeneous, operating mode is abominable, very easily causes the damage of connecting portion, makes the decelerator can't operate as normal;
2, because motor shaft and reducer input shaft disalignment cause decelerator work not steady, noise raises;
3, because motor and decelerator are separate unit, more than the needed parts of integral structure, thus cause cost to increase, neither be very convenient when car load is assembled;
Chinese patent literature CN1603656 discloses a kind of parallel-axes gears reductor and geared motor, the reductor intermediate plate of this structure is installed in the body shell, and intermediate plate supports bearing of input shaft and output shaft bearing simultaneously, thereby assemble, dismantle inconvenient, and have three bearings on its power shaft (motor drive shaft), it is unfavorable greatly all to bring for the assembling of processing and complete machine.
Summary of the invention
The purpose of this utility model is to provide a kind of parallel-axes gears deceleration device rational in infrastructure, simple, that cost is low and easy to assembly and motor integration.
For achieving the above object, the technical scheme feature that the utility model is taked is: a kind of parallel-axes gears deceleration device of and motor integration, comprise motor, gear case body, the input gear, gear broad in the middle, intermediate speed pinion, jack shaft, output gear and output shaft, wherein intermediate speed pinion is made one with jack shaft or is fixedlyed connected, input gear and gears engaged broad in the middle, gear broad in the middle is fixedlyed connected with jack shaft, intermediate speed pinion and output gear engagement, output gear is fixedly mounted on the output shaft, described gear case body comprises the motor side casing that connects successively, middle housing and output casing, wherein the motor side casing is held concurrently to electric motor end cap and is fixed on the electric machine casing, the motor shaft of described motor is held concurrently to power shaft and is stretched in the motor side casing, and be supported on the motor side casing by the input of bearing with motor shaft, the input gear is fixedly mounted on the input of motor shaft, the two ends of described jack shaft be supported on respectively on the motor side casing by the clutch shaft bearing and second bearing and the output casing on, the two ends of described output shaft be supported on the middle housing respectively by the 3rd bearing and the 4th bearing and the output casing on.
Adopt labyrinth seal structure between described motor side casing and the motor shaft, adopt labyrinth seal and contact seal combined sealing structure between described output casing and the output shaft.
Labyrinth seal structure between described motor side casing and the motor shaft comprises the some roads oil groove on input sealing ring and the motor side casing, the input sealing ring is fixedly set on the motor shaft, and the periphery of input sealing ring has the annular seal groove that the corresponding bottom of oil groove, some roads on several and the motor side casing has annular convex cone; Labyrinth seal and contact seal combined sealing structure between described output casing and the output shaft comprise the output sealing ring, output bearing (ball) cover and output end cover, the output sealing ring is fixedly set on the output shaft, output bearing (ball) cover and output end cover are fixed on the output casing successively, the annular seal groove that corresponding bottom has an annular convex cone on forming cannelure and this cannelure between output bearing (ball) cover and the output end cover and exporting the sealing ring periphery forms the first road labyrinth seal, flange and the seal groove of the outer end of output sealing ring is with the seal groove and the corresponding cooperation of flange of output end cover inboard and form the second road labyrinth seal, the inner face formation contact seal of the outer face of output bearing (ball) cover and output end cover.
Described input gear is fixedly mounted on by spline on the input of motor shaft, and the motor shaft end is connected with the gear pressing plate by screw, and the gear pressing plate is pressed on the end of input gear, to realize the axial location of input gear.
The outer end of described output shaft is fixedly connected with output flange by spline, and output shaft end is connected with the flange pressing plate by screw, and the flange pressing plate is pressed on the end of flange, to realize the axial location of flange.
On the described gear case body breather is installed, limited whelk plug is installed in the gear case body side, and the gear case body bottom is equipped with the magnetic plug screw of draining the oil, and the gear case body top is equipped with dipstick.
After adopting said structure, because described gear case body comprises motor side casing, middle housing and the output casing that connects successively, therefore motor output end lid of the prior art and black box have been saved, greatly reduce cost, and gear case body be divided into three parts be convenient to the assembling, the dismounting and processing, also make things convenient for the die sinking of casing casting mould; Again owing to hold concurrently and to be fixed on the electric machine casing for the motor side casing of electric motor end cap, hold concurrently and to stretch in the motor side casing for the motor shaft of power shaft, and by bearings on the motor side casing, the input gear is fixedly mounted on the input of motor shaft, this with the structure of motor shaft as gearbox input shaft, power shaft and two input bearings of having saved the gear box of prior art, motor shaft and gearbox input shaft out-of-alignment shortcoming have been overcome, therefore rational in infrastructure, simple, and make the gear box operation more steady, more reliable, noise is little; Again because the jack shaft two ends are supported on respectively on the motor side casing by the clutch shaft bearing and second bearing and the output casing on, the output shaft two ends be supported on respectively on the middle housing by the 3rd bearing and the 4th bearing and the output casing on, the rigidity of geared rotor system is further improved.
Description of drawings
Fig. 1 is of the present utility model and parallel-axes gears deceleration device structure front view motor integration;
Fig. 2 is the cutaway view of Fig. 1 along the A-A line.
Embodiment
The embodiment that provides below in conjunction with accompanying drawing does explanation in further detail to the utility model.
As Fig. 1, shown in 2, the parallel-axes gears deceleration device of of the present utility model and motor integration, comprise motor 1, gear case body, input gear 5, gear 15 broad in the middle, intermediate speed pinion 13, jack shaft 14, output gear 7 and output shaft 8, wherein intermediate speed pinion 13 is made one with jack shaft 14 or is fixedlyed connected, input gear 5 and gear 15 engagements broad in the middle, gear 15 broad in the middle is fixedlyed connected with jack shaft 14, intermediate speed pinion 13 and output gear 7 engagements, output gear 7 is fixedly mounted on the output shaft 8, described gear case body comprises the motor side casing 4 that connects successively, middle housing 6 and output casing 9, wherein motor side casing 4 is held concurrently to electric motor end cap and is fixed on the electric machine casing 1-2, the motor shaft 1-1 of described motor 1 holds concurrently to power shaft and stretches in the motor side casing 4, and be supported on the motor side casing 4 by the input of bearing 3 with motor shaft 1-1, input gear 5 is fixedly mounted on the input of motor shaft 1-1, the two ends of described jack shaft 14 be supported on respectively on the motor side casing 4 by the clutch shaft bearing 16 and second bearing 16 ' and output casing 9 on, the two ends of described output shaft 8 by the 3rd bearing 17 and the 4th bearing 17 ' be supported on respectively on the middle housing 6 with output casing 9 on.
As shown in Figure 2, adopt labyrinth seal structure between described motor side casing 4 and the motor shaft 1-1, adopt labyrinth seal and contact seal combined sealing structure between described output casing 9 and the output shaft 8.This hermetically-sealed construction favorable sealing property can be realized non-maintaining.
As shown in Figure 2, labyrinth seal structure between described motor side casing 4 and the motor shaft 1-1 comprises the some road oil groove 4-1 on input sealing ring 2 and the motor side casing 4, input sealing ring 2 is fixedly set on the motor shaft 1-1, and the periphery of input sealing ring 2 has the annular seal groove that the corresponding bottom of oil groove 4-1, some roads on several and the motor side casing 4 has annular convex cone; Labyrinth seal between described output casing 9 and the output shaft 8 and contact seal combined sealing structure comprise output sealing ring 12, output bearing (ball) cover 10 and output end cover 11, output sealing ring 12 is fixedly set on the output shaft 8, output bearing (ball) cover 10 and output end cover 11 are fixed on the output casing 9 successively, the annular seal groove that corresponding bottom has an annular convex cone on forming cannelure and this cannelure between output bearing (ball) cover 10 and the output end cover 11 and exporting sealing ring 12 peripheries forms the first road labyrinth seal, flange and the seal groove of the outer end of output sealing ring 12 is with the seal groove and the corresponding cooperation of flange of output end cover 11 inboards and form the second road labyrinth seal, the inner face formation contact seal of the outer face of output bearing (ball) cover 10 and output end cover 11.
As shown in Figure 2, described input gear 5 is fixedly mounted on the input of motor shaft 1-1 by spline, motor shaft 1-1 end is connected with gear pressing plate 23 by screw, and gear pressing plate 23 is pressed on the end of input gear 5, to realize the axial location of input gear 5.Spline connects compared to existing technology flat key and connects advantage such as have the centering precision height, bearing capacity is big.
As shown in Figure 1, 2, the outer end of described output shaft 8 is fixedly connected with output flange 22 by spline, and output shaft 8 ends are connected with flange pressing plate 24 by screw, and flange pressing plate 24 is pressed on the end of flange 22, to realize the axial location of flange 22.Output flange 22 is used to connect the automobile axle gearbox.
As shown in Figure 1,, breather 19 is installed on the described gear case body, to guarantee that box house pressure is with outside consistent for guaranteeing the reliability of labyrinth seal; Limited whelk plug 21 is installed in the gear case body side, turns on plug screw during oiling, prevents because of too much adding the effect that lubricating oil influences labyrinth seal; The gear box bottom is equipped with the magnetic plug screw 18 of draining the oil, and so just can judge the abrasion condition of gear box inside by observing the adsorbate on the magnetic plug screw; For making things convenient for current check lubricant level situation, the gear case body top is equipped with dipstick 20.
Claims (6)
1. parallel-axes gears deceleration device with motor integration, comprise motor (1), gear case body, input gear (5), gear broad in the middle (15), intermediate speed pinion (13), jack shaft (14), output gear (7) and output shaft (8), wherein intermediate speed pinion (13) is made one with jack shaft (14) or is fixedlyed connected, input gear (5) and gear broad in the middle (15) engagement, gear broad in the middle (15) is fixedlyed connected with jack shaft (14), intermediate speed pinion (13) and output gear (7) engagement, output gear (7) is fixedly mounted on the output shaft (8), it is characterized in that:
A, described gear case body comprise motor side casing (4), middle housing (6) and the output casing (9) that connects successively, and wherein motor side casing (4) is held concurrently to electric motor end cap and is fixed on the electric machine casing (1-2),
The motor shaft (1-1) of b, described motor (1) is held concurrently to power shaft and is stretched in the motor side casing (4), and be supported on the motor side casing (4) by the input of bearing (3) with motor shaft (1-1), input gear (5) is fixedly mounted on the input of motor shaft (1-1)
The two ends of c, described jack shaft (14) be supported on respectively by the clutch shaft bearing (16) and second bearing (16 ') that motor side casing (4) is gone up and output casing (9) on,
The two ends of d, described output shaft (8) be supported on respectively by the 3rd bearing (17) and the 4th bearing (17 ') that middle housing (6) is gone up and output casing (9) on.
2. the parallel-axes gears deceleration device of according to claim 1 and motor integration, it is characterized in that: adopt labyrinth seal structure between described motor side casing (4) and the motor shaft (1-1), adopt labyrinth seal and contact seal combined sealing structure between described output casing (9) and the output shaft (8).
3. the parallel-axes gears deceleration device of according to claim 2 and motor integration, it is characterized in that: the labyrinth seal structure between described motor side casing (4) and the motor shaft (1-1) comprises the some roads oil grooves (4-1) on input sealing ring (2) and the motor side casing (4), input sealing ring (2) is fixedly set on the motor shaft (1-1), and the periphery of input sealing ring (2) has the annular seal groove that corresponding bottom, some roads oil groove (4-1) on several and the motor side casing (4) has annular convex cone; Labyrinth seal between described output casing (9) and the output shaft (8) and contact seal combined sealing structure comprise output sealing ring (12), output bearing (ball) cover (10) and output end cover (11), output sealing ring (12) is fixedly set on the output shaft (8), output bearing (ball) cover (10) and output end cover (11) are fixed on the output casing (9) successively, the annular seal groove that corresponding bottom has an annular convex cone on forming cannelure and this cannelure between output bearing (ball) cover (10) and the output end cover (11) and exporting sealing ring (12) periphery forms the first road labyrinth seal, the seal groove and the corresponding cooperation of flange of the flange of the outer end of output sealing ring (12) and seal groove and output end cover (11) inboard also forms the second road labyrinth seal, and the inner face of the outer face of output bearing (ball) cover (10) and output end cover (11) forms contact seal.
4. the parallel-axes gears deceleration device of according to claim 1 and motor integration, it is characterized in that: described input gear (5) is fixedly mounted on the input of motor shaft (1-1) by spline, motor shaft (1-1) end is connected with gear pressing plate (23) by screw, gear pressing plate (23) is pressed on the end of input gear (5), to realize the axial location of input gear (5).
5. the parallel-axes gears deceleration device of according to claim 1 and motor integration, it is characterized in that: the outer end of described output shaft (8) is fixedly connected with output flange (22) by spline, output shaft (8) end is connected with flange pressing plate (24) by screw, flange pressing plate (24) is pressed on the end of flange (22), to realize the axial location of flange (22).
6. the parallel-axes gears deceleration device of according to claim 1 and motor integration, it is characterized in that: breather (19) is installed on the described gear case body, limited whelk plug (21) is installed in the gear case body side, the gear case body bottom is equipped with the magnetic plug screw (18) of draining the oil, and the gear case body top is equipped with dipstick (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201709120U CN201789372U (en) | 2010-04-16 | 2010-04-16 | Parallel shaft gear speed reducer integrated with motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201709120U CN201789372U (en) | 2010-04-16 | 2010-04-16 | Parallel shaft gear speed reducer integrated with motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201789372U true CN201789372U (en) | 2011-04-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201709120U CN201789372U (en) | 2010-04-16 | 2010-04-16 | Parallel shaft gear speed reducer integrated with motor |
Country Status (1)
| Country | Link |
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| CN (1) | CN201789372U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103375541A (en) * | 2012-04-25 | 2013-10-30 | 吴小杰 | Self-braking cycloidal reducer of aerial cableway |
| CN103375536A (en) * | 2012-04-25 | 2013-10-30 | 吴小杰 | Cycloidal reducer of aerial cableway |
| CN103375539A (en) * | 2012-04-25 | 2013-10-30 | 吴小杰 | Self-braking cycloidal reducer of aerial cableway |
| CN103548701A (en) * | 2013-11-21 | 2014-02-05 | 杨健儿 | Square feed supply device with internal spline rings and limiting nuts |
| CN104081635A (en) * | 2012-01-26 | 2014-10-01 | 索尤若驱动有限及两合公司 | Speed reducer with central housing part |
| CN104269966A (en) * | 2014-10-25 | 2015-01-07 | 台州市通宇变速机械有限公司 | Gear speed reduction motor |
| CN106313103A (en) * | 2016-10-21 | 2017-01-11 | 上海未来伙伴机器人有限公司 | Joint connection structure for humanoid robot |
| CN106594183A (en) * | 2016-12-05 | 2017-04-26 | 湖南南方宇航高精传动有限公司 | Speed-up gear box with input shaft and output shaft having same axis and same rotation direction |
| CN106837703A (en) * | 2017-04-13 | 2017-06-13 | 泗阳高传电机制造有限公司 | Half-direct-drive wind driven generator |
-
2010
- 2010-04-16 CN CN2010201709120U patent/CN201789372U/en not_active IP Right Cessation
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104081635B (en) * | 2012-01-26 | 2016-12-14 | 索尤若驱动有限及两合公司 | There is the decelerator of center housing components |
| CN104081635A (en) * | 2012-01-26 | 2014-10-01 | 索尤若驱动有限及两合公司 | Speed reducer with central housing part |
| CN103375539B (en) * | 2012-04-25 | 2016-06-08 | 陈伟 | Ropeway is from baking cycloid speed reduction unit |
| CN103375536A (en) * | 2012-04-25 | 2013-10-30 | 吴小杰 | Cycloidal reducer of aerial cableway |
| CN103375539A (en) * | 2012-04-25 | 2013-10-30 | 吴小杰 | Self-braking cycloidal reducer of aerial cableway |
| CN103375536B (en) * | 2012-04-25 | 2016-08-17 | 陈伟 | Cycloidal reducer of aerial cableway |
| CN103375541B (en) * | 2012-04-25 | 2016-06-15 | 吴小杰 | Aerial cableway self-retention cycloidal reducer |
| CN103375541A (en) * | 2012-04-25 | 2013-10-30 | 吴小杰 | Self-braking cycloidal reducer of aerial cableway |
| CN103548701B (en) * | 2013-11-21 | 2015-06-10 | 杨健儿 | Square feed supply device with internal spline rings and limiting nuts |
| CN103548701A (en) * | 2013-11-21 | 2014-02-05 | 杨健儿 | Square feed supply device with internal spline rings and limiting nuts |
| CN104269966A (en) * | 2014-10-25 | 2015-01-07 | 台州市通宇变速机械有限公司 | Gear speed reduction motor |
| CN106313103A (en) * | 2016-10-21 | 2017-01-11 | 上海未来伙伴机器人有限公司 | Joint connection structure for humanoid robot |
| CN106594183A (en) * | 2016-12-05 | 2017-04-26 | 湖南南方宇航高精传动有限公司 | Speed-up gear box with input shaft and output shaft having same axis and same rotation direction |
| CN106837703A (en) * | 2017-04-13 | 2017-06-13 | 泗阳高传电机制造有限公司 | Half-direct-drive wind driven generator |
| CN106837703B (en) * | 2017-04-13 | 2019-12-10 | 南京高传机电自动控制设备有限公司 | semi-direct-drive wind driven generator |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 213011 Wuyi Road, Qishuyan District, Jiangsu, China, No. 1, No. Patentee after: CRRC QISHUYAN INSTITUTE CO., LTD. Address before: 213011 Wuyi Road, Qishuyan District, Jiangsu, China, No. 1, No. Patentee before: Nanche Qisuyan Engine and Vehicle Technics Institute Co., Ltd. Address after: 213011 Wuyi Road, Qishuyan District, Jiangsu, China, No. 1, No. Patentee after: CRRC QISHUYAN INSTITUTE CO., LTD. Address before: 213011 Wuyi Road, Qishuyan District, Jiangsu, China, No. 1, No. Patentee before: Nanche Qisuyan Engine and Vehicle Technics Institute Co., Ltd. |
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| CP02 | Change in the address 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. 1, No. Patentee before: CRRC QISHUYAN INSTITUTE CO., LTD. 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. 1, No. Patentee before: CRRC QISHUYAN INSTITUTE CO., LTD. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110406 |