CN201118347Y - Electromotor deceleration motor with shift bearing - Google Patents
Electromotor deceleration motor with shift bearing Download PDFInfo
- Publication number
- CN201118347Y CN201118347Y CNU2007200596208U CN200720059620U CN201118347Y CN 201118347 Y CN201118347 Y CN 201118347Y CN U2007200596208 U CNU2007200596208 U CN U2007200596208U CN 200720059620 U CN200720059620 U CN 200720059620U CN 201118347 Y CN201118347 Y CN 201118347Y
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- CN
- China
- Prior art keywords
- variable
- bearing
- speed bearing
- motor reducer
- output shaft
- Prior art date
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- Expired - Fee Related
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Abstract
The utility model relates to the technical field of decelerators, in particular to a motor decelerator with a shift bearing, which comprises a power mechanism and a decelerator fixed on the power mechanism. The power mechanism comprises a power transmission shaft, and the decelerator is composed of a shift bearing, a decelerator shell, an output shaft; the shift bearing consists of an outer ring which is provided with internal teeth, an inner ring which is provided with an eccentric structure, and a middle ring which is arranged between the outer ring and the inner ring. The inner ring is connected with the power transmission shaft, the outer ring is fixed inside the decelerator shell and the middle ring is connected with the output shaft through an output transmission pin. The motor decelerator is simple in structure, small in size, smooth in power transmission and long in service life. The power of the power mechanism is outputted through the output shaft after the deceleration of the shift bearing; the output shaft and the power transmission mechanism of the power mechanism output coaxially with good torque; the transmission ratio of the shift bearing is adjustable within a large range of 1-60.
Description
Technical field:
The utility model relates to the deceleration device technical field, particularly has the motor reducer of variable-speed bearing.
Background technology:
At present, in order to solve the difficult and little problem of load capacity of electric motor car climbing that adopts slowspeed machine, add the solution of reducing gear in the electric motor car industry usually with high-speed electric expreess locomotive.And reducing gear generally has two kinds of structures, i.e. primary gear speed reducing and planetary gear speed-reduction, and there is following shortcoming usually in these two kinds of structures: one, because output of primary gear speed reducing mechanism and motor disalignment, take up space big and complex structure, moment of torsion weak effect; Two, because the gear drive wearing and tearing are more serious, useful life is short, and can produce noise; Three, owing to be subjected to size restrictions, the gear of decelerator can not do too greatly and too little, the gear range of these two kinds of structures is all less.
The utility model content:
The purpose of this utility model especially provides the motor reducer with variable-speed bearing at electric motor car industry the deficiencies in the prior art, is characterized in having advantage simple in structure, that volume is little, gearratio is adjustable and scope is big, moment of torsion is effective, transmission of power is steady, the life-span is long.
For achieving the above object, the utility model adopts following technical scheme:
Motor reducer with variable-speed bearing, comprise actuating unit and the decelerator that is fixed on the actuating unit, actuating unit includes power transmission shaft, decelerator includes variable-speed bearing, reducer shell, output shaft, variable-speed bearing by the outer ring that offers internal tooth, have the inner ring of eccentric stiffener, centre circle between outer ring and inner ring constitutes, inner ring is connected with power transmission shaft, and the outer ring is fixed in the reducer shell, and centre circle is connected with output shaft by the output trundle.
Described actuating unit is an alternating current machine;
Described actuating unit is a direct current machine;
Described direct current machine is for having brush or brushless disc type electric machine;
Described direct current machine is for having brush or brushless column type motor;
The inner ring of described variable-speed bearing is made of single eccentric bushing, spring bearing and capacity eccentric bearing, the both sides of single eccentric bushing are respectively equipped with concentric zone and eccentric district, concentric zone socket spring bearing, eccentric district's socket capacity eccentric bearing, centre circle one side is along the radially guide groove that circumferentially has five equilibrium, radially be placed with cylindrical roller in the guide groove, cylindrical roller meshes with internal tooth and capacity eccentric bearing respectively;
Also be provided with raceway and steel ball between described outer ring and the centre circle;
The groove number of described radially guide groove and the number of teeth of internal tooth differ 1;
Described output shaft one end is provided with the ring flange that can install alignment bearing, and ring flange is connected with power transmission shaft by alignment bearing;
Described output shaft is connected with reducer shell by bearing.
The utility model beneficial effect is: the utility model with variable-speed bearing as deceleration device, variable-speed bearing by the outer ring that offers internal tooth, have the inner ring of eccentric stiffener, centre circle between outer ring and inner ring constitutes, and is simple in structure, volume is little, transmission of power is steady, the life-span is long; The inner ring of variable-speed bearing is connected with power transmission shaft, the outer ring is fixed in the reducer shell, centre circle is connected with output shaft by the output trundle, the power of actuating unit is exported by output shaft after slowing down through variable-speed bearing, the power transmission shaft of output shaft and actuating unit is on same axis, moment of torsion is effective, and the gearratio of variable-speed bearing is adjustable and adjusting range is big, can adjust between 1～60.
Description of drawings:
Accompanying drawing 1 is the structural representation of the utility model embodiment one;
Accompanying drawing 2 is front views of the utility model variable-speed bearing;
Accompanying drawing 3 is the revolved sectional views of A-A in the accompanying drawing 2;
Accompanying drawing 4 is structural representations of the utility model embodiment two.
Embodiment:
Below in conjunction with accompanying drawing the utility model is further described, embodiment one, see accompanying drawing 1～3, motor reducer with variable-speed bearing, comprise actuating unit 1 and the decelerator that is fixed on the actuating unit 1, actuating unit 1 can be disc type does not have iron core DC brush or brushless electric machine, advantage such as be characterized in having winding no-spark when not having the commutation of inductance, commutator, the carbon brush wearing and tearing are little, the life-span is long, noise is little, volume is little.Actuating unit 1 includes power transmission shaft 2, decelerator includes variable-speed bearing 3, reducer shell 4, output shaft 5, variable-speed bearing 3 is made of the outer ring 30 that offers internal tooth 301, the inner ring 31 that has eccentric stiffener, centre circle 32 between outer ring 30 and inner ring 31, inner ring 31 is connected with power transmission shaft 2, outer ring 30 is fixed in the reducer shell 4, and centre circle 32 is connected with output shaft 5 by output trundle 8.The inner ring 31 of variable-speed bearing 3 is made of single eccentric bushing 310, spring bearing 311 and capacity eccentric bearing 312, the both sides of single eccentric bushing 310 are respectively equipped with concentric zone 313 and eccentric district 314, concentric zone 313 socket spring bearings 311, eccentric district 314 socket capacity eccentric bearings 312, centre circle 32 1 sides are along the radially guide groove 33 that circumferentially has five equilibrium, radially be placed with cylindrical roller 34 in the guide groove 33, cylindrical roller 34 meshes with internal tooth 301 and capacity eccentric bearing 312 respectively, also be provided with raceway 37 and steel ball 36 between outer ring 30 and the centre circle 32, radially the number of teeth of the groove number of guide groove 33 and internal tooth 301 differs 1.
Operation principle of the present utility model: when motor rotation, driven by motor power transmission shaft 2 rotates, power transmission shaft 2 drives the inner ring 31 of variable-speed bearing 3 by flat key, cylindrical roller 34 is done radial motion in the radially guide groove 33 of centre circle 32, this motion is subjected to the constraint of outer ring 30 internal tooths 301, cylindrical roller 34 drives centre circle 32 and rotates when doing radial motion, centre circle 32 is done with inner ring 31 coaxial lines, is rotated with the deceleration that turns to, gearratio is that internal tooth 301 numbers add 1, and variable-speed bearing 3 centre circles 32 output to output shaft 5 to power.
The utility model with variable-speed bearing 3 as deceleration device, simple in structure, volume is little, transmission of power is steady, the life-span is long; The power of actuating unit 1 slows down the back by output shaft 5 outputs through variable-speed bearing 3, the coaxial output of output shaft 5 and the power transmission shaft 2 of actuating unit 1, and moment of torsion is effective, and the gearratio of variable-speed bearing 3 is adjustable and adjusting range is big, can adjust between 1～60.Present embodiment is preferred embodiment of the present utility model.
Embodiment two, see accompanying drawing 4, are with embodiment one difference, and actuating unit 1 also can be the column type alternating current machine for column type has brush or brshless DC motor, and other structures are identical with embodiment one with using method, no longer repeat here.
Claims (10)
1, motor reducer with variable-speed bearing, comprise actuating unit (1) and be fixed on decelerator on the actuating unit (1), actuating unit (1) includes power transmission shaft (2), it is characterized in that: decelerator includes variable-speed bearing (3), reducer shell (4), output shaft (5), variable-speed bearing (3) is by the outer ring that offers internal tooth (301) (30), the inner ring (31) that has eccentric stiffener, the centre circle (32) that is positioned between outer ring (30) and the inner ring (31) constitutes, inner ring (31) is connected with power transmission shaft (2), outer ring (30) is fixed in the reducer shell (4), and centre circle (32) is connected with output shaft (5) by output trundle (8).
2, the motor reducer with variable-speed bearing according to claim 1 is characterized in that: described actuating unit (1) is an alternating current machine.
3, the motor reducer with variable-speed bearing according to claim 1 is characterized in that: described actuating unit (1) is a direct current machine.
4, the motor reducer with variable-speed bearing according to claim 3 is characterized in that: described direct current machine is for having brush or brushless disc type electric machine.
5, the motor reducer with variable-speed bearing according to claim 3 is characterized in that: described direct current machine is for having brush or brushless column type motor.
6, motor reducer with variable-speed bearing according to claim 1, it is characterized in that: the inner ring (31) of described variable-speed bearing (3) is by single eccentric bushing (310), spring bearing (311) and capacity eccentric bearing (312) constitute, the both sides of single eccentric bushing (310) are respectively equipped with concentric zone (313) and eccentric district (314), concentric zone (313) socket spring bearing (311), eccentric district (314) socket capacity eccentric bearing (312), centre circle (32) one sides are along the radially guide groove (33) that circumferentially has five equilibrium, radially be placed with cylindrical roller (34) in the guide groove (33), cylindrical roller (34) meshes with internal tooth (301) and capacity eccentric bearing (312) respectively.
7, the motor reducer with variable-speed bearing according to claim 6 is characterized in that: also be provided with raceway (37) and steel ball (36) between described outer ring (30) and the centre circle (32).
8, the motor reducer with variable-speed bearing according to claim 6 is characterized in that: the number of teeth of the groove number of described radially guide groove (33) and internal tooth (301) differs 1.
9, the motor reducer with variable-speed bearing according to claim 1, it is characterized in that: described output shaft (5) one ends are provided with the ring flange (6) that can install alignment bearing (9), and ring flange (6) is connected with power transmission shaft (2) by alignment bearing (9).
10, the motor reducer with variable-speed bearing according to claim 1 is characterized in that: described output shaft (5) is connected with reducer shell (4) by bearing (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200596208U CN201118347Y (en) | 2007-11-16 | 2007-11-16 | Electromotor deceleration motor with shift bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200596208U CN201118347Y (en) | 2007-11-16 | 2007-11-16 | Electromotor deceleration motor with shift bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201118347Y true CN201118347Y (en) | 2008-09-17 |
Family
ID=39992937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200596208U Expired - Fee Related CN201118347Y (en) | 2007-11-16 | 2007-11-16 | Electromotor deceleration motor with shift bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201118347Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105172329A (en) * | 2015-09-14 | 2015-12-23 | 无锡市羊尖华强塑料彩印有限公司 | Variable-speed printer idler wheel |
| CN106481658A (en) * | 2015-08-25 | 2017-03-08 | 深圳市沃尔曼精密机械技术有限公司 | Speed reduction bearing and motor |
| CN109340331A (en) * | 2018-12-17 | 2019-02-15 | 浙江三凯机电有限公司 | A kind of coaxial speed-down device |
| CN110350699A (en) * | 2019-07-15 | 2019-10-18 | 太仓市海谷五金机电设备有限公司 | A kind of variable speed energy conservation motor |
-
2007
- 2007-11-16 CN CNU2007200596208U patent/CN201118347Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106481658A (en) * | 2015-08-25 | 2017-03-08 | 深圳市沃尔曼精密机械技术有限公司 | Speed reduction bearing and motor |
| CN106481659A (en) * | 2015-08-25 | 2017-03-08 | 深圳市沃尔曼精密机械技术有限公司 | Speed reduction bearing and motor |
| CN105172329A (en) * | 2015-09-14 | 2015-12-23 | 无锡市羊尖华强塑料彩印有限公司 | Variable-speed printer idler wheel |
| CN109340331A (en) * | 2018-12-17 | 2019-02-15 | 浙江三凯机电有限公司 | A kind of coaxial speed-down device |
| CN109340331B (en) * | 2018-12-17 | 2024-02-20 | 浙江三凯机电有限公司 | Coaxial speed reducer |
| CN110350699A (en) * | 2019-07-15 | 2019-10-18 | 太仓市海谷五金机电设备有限公司 | A kind of variable speed energy conservation motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: DONGGUAN ZHITONG SURVIVAL EQUIPMENT CO., LTD. Free format text: FORMER OWNER: DONGGUAN ZHITONG ELECTRICAL ENGINEERING CO., LTD. Effective date: 20121217 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20121217 Address after: 523000 Guangdong province Dongguan city too No. 69 Building 2 room four Dongguan Zhitong lifesaving equipment Co. Ltd. Patentee after: Dongguan City Zhitong Survival Equipment Co., Ltd. Address before: 523000 Guangdong city of Dongguan Province Tai Road No. 75 building Nancheng Dongguan A Gallery in Dongguan Zhitong Zhitong Electrical Engineering Co Ltd Patentee before: Dongguan Zhitong Electrical Engineering Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080917 Termination date: 20141116 |
|
| EXPY | Termination of patent right or utility model |