CN201789372U - Parallel shaft gear speed reducer integrated with motor - Google Patents

Parallel shaft gear speed reducer integrated with motor Download PDF

Info

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
Authority
CN
China
Prior art keywords
motor
output
shaft
casing
gear
Prior art date
Application number
CN2010201709120U
Other languages
Chinese (zh)
Inventor
王学显
高雷
黄智勇
Original Assignee
南车戚墅堰机车车辆工艺研究所有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 南车戚墅堰机车车辆工艺研究所有限公司 filed Critical 南车戚墅堰机车车辆工艺研究所有限公司
Priority to CN2010201709120U priority Critical patent/CN201789372U/en
Application granted granted Critical
Publication of CN201789372U publication Critical patent/CN201789372U/en

Links

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

Parallel-axes gears deceleration device with motor integration
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).
CN2010201709120U 2010-04-16 2010-04-16 Parallel shaft gear speed reducer integrated with motor CN201789372U (en)

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

ID=43821322

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
CN (1) CN201789372U (en)

Cited By (9)

* Cited by examiner, † Cited by third party
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

Cited By (15)

* Cited by examiner, † Cited by third party
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

Similar Documents

Publication Publication Date Title
US20120258831A1 (en) Electric machine for an electric axle of a motor vehicle
CN203401944U (en) Wheel hub motor driving device
CN104482175A (en) Speed reducer for stir driving
CN201703980U (en) Driving wheel mechanism of bridge crane car girder
CN103921674A (en) Gearbox for electric vehicle
CN201262205Y (en) Actuating mechanism of electronic-mechanical braking system
CN203548721U (en) Dual power input speed control system
CN204271815U (en) A kind of used in new energy vehicles integrated driving device
CN203130084U (en) Running mechanism of thin seam coal shearer
CN100575741C (en) Hydraulic generation speed variator
CN206180768U (en) Motor and retarder connection's input shaft structure
CN103072476B (en) The back axle Electronmotive Force actuating device of battery-driven car
CN103434385A (en) Hub motor driving device
CN201190091Y (en) Quick-speed hoister
CN102555773A (en) Low-floor gate-type wheel-side motor rear axle for electric bus
CN103475151B (en) It is with coaxial planetary switched reluctance machines
WO2019238042A1 (en) Integrated electric drive powertrain
CN101830169A (en) Two-stage speed reducer
CN202498971U (en) Double-level speed-reducing driving axle
CN202937741U (en) Speed change box structure
CN205978366U (en) Gearbox that possesses power of getting function
CN102374277A (en) Two-file transmission case of electric motor coach
CN201238229Y (en) Traction motor for locomotive
CN204985365U (en) Automobile wheel hub bearing assembly
CN203560410U (en) Lubricating oil cooling system of gearbox

Legal Events

Date Code Title Description
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.

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.

CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20110406