CN108616195A - Electric machine - Google Patents
Electric machine Download PDFInfo
- Publication number
- CN108616195A CN108616195A CN201810635960.3A CN201810635960A CN108616195A CN 108616195 A CN108616195 A CN 108616195A CN 201810635960 A CN201810635960 A CN 201810635960A CN 108616195 A CN108616195 A CN 108616195A
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- CN
- China
- Prior art keywords
- brake
- bearing
- motor
- room
- motor according
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
- 230000017525 heat dissipation Effects 0.000 abstract description 7
- 238000009434 installation Methods 0.000 description 7
- 238000004804 winding Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
- H02K5/163—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields radially supporting the rotary shaft at only one end of the rotor
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention provides a motor. The motor comprises a rear bearing (1) and a brake, wherein a first bearing chamber (2) is arranged on the brake, and the rear bearing (1) is installed in the first bearing chamber (2) in a limiting mode. According to the motor, the heat dissipation efficiency of the motor brake can be improved, and the overhigh temperature rise of the motor is avoided.
Description
Technical field
The invention belongs to technical field of motors, and in particular to a kind of motor.
Background technology
Motor is a kind of calutron of conversion and transmission that electric energy is realized according to electromagnetic induction principle, and main function is
Driving torque is generated, is the power source of electric appliance and all kinds of mechanical equipments.
As shown in Figure 1, traditional electric machine structure is supported rear bearing 2 ' by rear end cap 1 ', and the two is matched for interference
The mode of conjunction, due to material difference, the thermal expansion amount of rear end cap 1 ' is bigger than the thermal expansion amount of rear bearing 2 ', cause rear end cap 1 ' and
The interference volume of both bearings 2 ' is insufficient afterwards, influences the reliability that bearing uses.And this scheme needs increase rear bearing cover plate 6 ' right
Bearing 2 ' carries out axially position afterwards, and installation is comparatively troublesome.
In addition, due to the limitation of 1 ' structure of rear end cap, cause connecting shaft end cap 3 ' closer with brake winding distance, and brakes
Device winding is the main heating part of brake 5 ', and excessively high so as to cause 4 ' temperature of encoder, encoder 4 ' is easily damaged.
In addition, rear end cap 1 ' is located at brake 5 ' outside, the heat dissipation area of brake 5 ' is reduced, the heat dissipation of brake 5 ' needs
It to be carried out by rear end cap 1 ', since the material of the two is different, heat transmission resistance can be caused, reduce the heat dissipation effect of brake 5 '
Rate causes the temperature of motor to rise excessively high.
Invention content
Therefore, the technical problem to be solved in the present invention is to provide a kind of motor, can improve the heat dissipation of electromotor brake
Efficiency avoids the temperature of motor from rising excessively high.
To solve the above-mentioned problems, the present invention provides a kind of motor, including rear bearing and brake, is provided on brake
First bearing room, rear bearing are installed in first bearing room.
Preferably, brake includes brake stator, and first bearing room is set in brake stator.
Preferably, bearing block is fixedly installed in brake stator, bearing block is provided with first bearing room, the material of bearing block
Material is consistent with the outer loop material of rear bearing.
Preferably, first bearing room is opened on brake stator, the outer loop material of the material of brake stator and rear bearing
Expect identical.
Preferably, motor further includes shaft, and shoulder block is additionally provided on brake, and shaft has catching step, rear bearing
Outer ring backstop is on shoulder block, and the inner ring backstop of rear bearing is on catching step.
Preferably, brake includes dog point, and one end end set of the brake far from dog point has radiating ribs.
Preferably, motor further includes shaft, and the open end of first bearing room is provided with cover board, and shaft has catching step,
On the cover board, the inner ring backstop of rear bearing is on catching step for the outer ring backstop of bearing afterwards.
Preferably, motor further includes connecting shaft end cap and encoder component, and connecting shaft end cap is fixedly connected on the brake, coding
Device assembly includes encoder cover, and encoder cover is fixed on connecting shaft end cap.
Preferably, motor further includes casing, and casing is set in the periphery of brake, and is interference fitted between brake.
Preferably, motor further includes drive end bearing bracket and fore bearing, and second bearing room is provided on drive end bearing bracket, and fore bearing setting exists
In second bearing room.
Motor provided by the invention, including rear bearing and brake are provided with first bearing room, rear bearing limit on brake
Position is mounted in first bearing room.First bearing room is arranged in the motor on the brake, and rear bearing is then mounted on first axle
Interior is held, there is no need to which the individually rear end cap for bearing after installing is arranged, rear end cover structure can be omitted, can be reduced into
This, shortens motor length, is easy to implement the miniaturization of motor so that the structure of motor is simpler, and it is close to improve power of motor
Degree；Due to direct setting first bearing room on the brake, rear end cover structure is omitted so that brake can directly with
Outside air exchanges heat, and reduces the heat transmission resistance of brake, increases the heat exchange area of brake, improves brake
Exchange capability of heat can effectively improve the radiating efficiency of electromotor brake, avoid the temperature of motor from rising excessively high, effective guarantor is formed to motor
Shield.
Description of the drawings
Fig. 1 is the schematic cross-sectional view of motor in the prior art；
Fig. 2 is the schematic cross-sectional view of the motor of the embodiment of the present invention；
Fig. 3 is the dimensional structure diagram of the motor of the embodiment of the present invention；
Fig. 4 is the dimensional structure diagram of the brake of the motor of the embodiment of the present invention；
Fig. 5 is the schematic cross-sectional view of the brake of the motor of the embodiment of the present invention；
Fig. 6 is the inside dimensional structure diagram of the motor of the embodiment of the present invention；
Fig. 7 is the perspective cross-sectional structural schematic diagram of the brake of the motor of the embodiment of the present invention；
Fig. 8 is that the motor of the embodiment of the present invention removes the dimensional structure diagram after brake；
Fig. 9 is that the motor of the embodiment of the present invention removes the dimensional structure diagram after encoder.
Reference numeral is expressed as：
1, rear bearing；2, first bearing room；3, brake stator；4, shoulder block；5, shaft；6, catching step；7, radiating ribs；
8, connecting shaft end cap；9, encoder cover；10, casing；11, drive end bearing bracket；12, fore bearing；13, second bearing room；14, brake around
Group；15, brake gear；16, motor stator；17, rotor；18, encoder.
Specific implementation mode
In conjunction with referring to shown in Fig. 2 to Fig. 9, according to an embodiment of the invention, motor includes rear bearing 1 and brake, braking
First bearing room 2 is provided on device, rear bearing 1 is installed in first bearing room 2.
First bearing room 2 is arranged in the motor on the brake, then rear bearing 1 is mounted in first bearing room 2, therefore
It is not necessary that the individually rear end cap for bearing 1 after installing is arranged, rear end cover structure can be omitted, cost can be reduced, shortens electricity
Captain's degree is easy to implement the miniaturization of motor so that the structure of motor is simpler, improves power of motor density；Due to straight
Setting first bearing room 2 on the brake is connect, rear end cover structure is omitted, so that brake can directly and outside air
It exchanges heat, reduces the heat transmission resistance of brake, increase the heat exchange area of brake, improve the heat-energy transducer of brake
Power can effectively improve the radiating efficiency of electromotor brake, avoid the temperature of motor from rising excessively high, effective protection is formed to motor.
Brake includes brake stator 3, and first bearing room 2 is set in brake stator 3.Brake further includes braking
Device winding 14 and brake gear 15, wherein brake winding 14 are arranged in brake stator 3, and the setting of brake gear 15 exists
Side of the brake stator 3 far from encoder component, brake gear 15 include external gear and ring gear, and wherein external gear is fixed
It is arranged in shaft 5, ring gear is located on brake(-holder) block, and when motor works normally, external gear drives ring gear rotation, and then band
Dynamic brake(-holder) block rotation is powered to the brake winding 14 on brake stator 3 when being braked, brake winding 14
Active force is applied to brake(-holder) block so that brake(-holder) block is braked, and then countershaft 5 forms braking.
In a wherein embodiment not shown in the figure, bearing block is fixedly installed in brake stator 3, bearing block is set
It is equipped with first bearing room 2, the material of bearing block is consistent with the outer loop material of rear bearing 1.The bearing block is for example, cylindric, in axis
The center of bearing in axial direction offers first bearing room 2, is offered along central axial direction and axis in brake stator 3
Bearing forms the mounting hole of interference fit, and bearing block is fixed in mounting hole.
Bearing block is then individual structure is fixed at brake using material identical with the outer ring of rear bearing 1
In the installation cavity of stator 3, in such cases, can material identical with the outer ring of rear bearing 1 only be used to the structure of bearing block,
Other materials may be used in brake stator 3, it is however generally that, the material cost of the outer ring of rear bearing 1 is higher, using such side
It after formula, can ensure bearing block and 1 swell increment having the same of rear bearing, ensure that the interference volume of the two is constant, to ensure
The reliability of bearing in use, while again can be only to needing to ensure that the bearing block of matching relationship is higher using cost
Material does not have to that the production cost of motor can be reduced using expensive material to entire brake stator 3.
In the present embodiment, first bearing room 2 is opened on brake stator 3, the material of brake stator 3 and rear bearing
1 outer ring material identical.In the present embodiment, first bearing room 2 is formed without independent structure is arranged, directly in brake
First bearing room 2 is opened up on stator 3, process structure is simpler, and installation procedure is less, installation effectiveness higher.
Motor further includes shaft 5, is additionally provided with shoulder block 4 on brake, and shaft 5 has a catching step 6, rear bearing 1 it is outer
Backstop is enclosed on shoulder block 4, the inner ring backstop of rear bearing 1 is on catching step 6.The shoulder block 4 can substitute it is in the prior art after
One of installation procedure is omitted in bearing cover, simple for process.It is matched by shoulder block 4 and catching step 6, it can be to rear bearing 1
Form stable axial limiting.In addition, when using this kind of structure, the side close to encoder component in brake is arranged in shoulder block 4,
The side far from encoder component in brake is arranged in the opening of first bearing room 2, can more reasonably utilize the platform of shaft 5
Rank axle construction does not have to the rear bearing cover plate that additional setting carries out rear bearing 1 axial limiting, can be further simplified motor knot
Structure reduces the axial length of motor.
Brake includes dog point, and one end end set of the brake far from dog point has radiating ribs 7.Radiating ribs 7 can
Increase the heat dissipation area of brake then reduces the Wen Sheng of motor to enhance the heat dissipation effect of brake.Radiating ribs 7
Shape can be rectangular strip or cylindrical bar or other shapes, outer end face of the multiple radiating ribs 7 in brake stator 3
Circumferentially it is uniformly distributed.
In one embodiment not shown in the figure, motor further includes shaft 5, the open end setting of first bearing room 2
There are cover board, shaft 5 that there is catching step 6, on the cover board, the inner ring backstop of rear bearing 1 is in backstop platform for the outer ring backstop of rear bearing 1
On rank 6.In the present embodiment, since the outer ring of rear bearing 1 can carry out backstop by cover board, inner ring can pass through catching step
6 progress backstops simplify the setting structure of brake stator 3 there is no need to which the shaft shoulder is arranged on brake stator 3, and make
The side of encoder component can be positioned close to by obtaining the opening of first bearing room 2, so that the set-up mode of rear bearing 1 is more
Add flexibly, suitable set-up mode can be selected as needed, improves the flexibility of electric machine structure installation.
Motor further includes connecting shaft end cap 8 and encoder component, and connecting shaft end cap 8 is fixedly connected on the brake, encoder group
Part includes encoder cover 9, and encoder cover 9 is fixed on connecting shaft end cap 8.Encoder component further includes encoder 18, coding
Device 18 is fixed in shaft 5, and encoder cover 9 is located at outside encoder 18, is matched with encoder 18, to the rotating speed of motor
It measures.Since the electric machine structure eliminates rear bearing (ball) cover so that connecting shaft end cap 8 can be directly anchored on brake,
So that connecting shaft end cap 8 can accordingly do it is small so that connecting shaft end cap 8 at a distance from brake winding 14 farther out, coding
The temperature of device 18 reduces so that encoder 18 is hardly damaged.
Motor further includes casing 10, and casing 10 is set in the periphery of brake, and is interference fitted between brake.At this
In embodiment, brake is to increase the outer diameter of traditional brake stator 3, and outer diameter is slightly larger than the casing 10 assembled therewith
Inner diameter size, the two interference fit, by cold pressing process realize brake and casing 10 connection, to realize brake with
Air is in direct contact, and reduces brake Wen Sheng.
Motor further includes drive end bearing bracket 11 and fore bearing 12, and second bearing room 13 is provided on drive end bearing bracket 11, and fore bearing 12 is set
It sets in second bearing room 13.
Motor further includes motor stator 16 and rotor 17, and wherein motor stator 16 is fixed on drive end bearing bracket 11,
Rotor 17 is fixedly connected with shaft 5, when motor stator 16 is powered, applies electromagnetic force, driving electricity to rotor 17
Machine rotor 17 rotates, and then drives shaft 5 to rotate by rotor 17.
When installing motor, first by way of in 15 inside gluing of brake gear and key connection, by brake tooth
Wheel 15 is fixed in the shaft 5 of motor.
Brake stator 3 is heated to certain temperature later, by the first bearing of 1 hot jacket of rear bearing to brake stator 3
In room 2, and it is cooled to room temperature.
By stator tooling, fixed rotor 17 imports motor stator 16, and determined motor by screw slowly
Son 16 is fixedly connected with drive end bearing bracket 11.
The brake stator 3 with rear bearing 1 is slowly pressed into casing 10 with forcing press, until brake end face and machine
The end face of shell 10 is equal, the installation accuracy of bearing 1 after guarantee.
Those skilled in the art will readily recognize that under the premise of not conflicting, above-mentioned each advantageous manner can be free
Ground combination, superposition.
The above is merely preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
All any modification, equivalent and improvement made by within principle etc., should all be included in the protection scope of the present invention.Above only
It is the preferred embodiment of the present invention, it is noted that for those skilled in the art, do not departing from this hair
Under the premise of bright technical principle, several improvements and modifications can also be made, these improvements and modifications also should be regarded as the guarantor of the present invention
Protect range.
Claims (10)
1. a kind of motor, which is characterized in that including rear bearing (1) and brake, first bearing room is provided on the brake
(2), the rear bearing (1) is installed in the first bearing room (2).
2. motor according to claim 1, which is characterized in that the brake includes brake stator (3), and described first
Bearing chamber (2) is set in the brake stator (3).
3. motor according to claim 2, which is characterized in that it is fixedly installed bearing block in the brake stator (3),
The bearing block is provided with the first bearing room (2), the outer loop material one of the material of the bearing block and the rear bearing (1)
It causes.
4. motor according to claim 2, which is characterized in that it is fixed that the first bearing room (2) is opened in the brake
On sub (3), the outer ring material identical of the material of the brake stator (3) and the rear bearing (1).
5. motor according to claim 1, which is characterized in that the motor further includes shaft (5), is gone back on the brake
It is provided with shoulder block (4), the shaft (5) has catching step (6), and the outer ring backstop of the rear bearing (1) is in the shoulder block (4)
On, the inner ring backstop of the rear bearing (1) is on the catching step (6).
6. motor according to claim 1, which is characterized in that the brake includes dog point, and the brake is separate
One end end set of dog point has radiating ribs (7).
7. motor according to claim 1, which is characterized in that the motor further includes shaft (5), the first bearing room
(2) open end is provided with cover board, and the shaft (5) has catching step (6), and the outer ring backstop of the rear bearing (1) is in institute
It states on cover board, the inner ring backstop of the rear bearing (1) is on the catching step (6).
8. motor according to any one of claim 1 to 6, which is characterized in that the motor further includes connecting shaft end cap (8)
And encoder component, the connecting shaft end cap (8) are fixedly connected on the brake, the encoder component includes encoder cover
(9), the encoder cover (9) is fixed on the connecting shaft end cap (8).
9. motor according to any one of claim 1 to 7, which is characterized in that the motor further includes casing (10), institute
It states casing (10) and is set in the periphery of the brake, and be interference fitted between the brake.
10. motor according to any one of claim 1 to 7, which is characterized in that the motor further includes drive end bearing bracket (11)
With fore bearing (12), it is provided with second bearing room (13) on the drive end bearing bracket (11), fore bearing (12) setting is described the
In two bearing chambers (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810635960.3A CN108616195B (en) | 2018-06-20 | 2018-06-20 | Motor with a motor housing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810635960.3A CN108616195B (en) | 2018-06-20 | 2018-06-20 | Motor with a motor housing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108616195A true CN108616195A (en) | 2018-10-02 |
| CN108616195B CN108616195B (en) | 2024-03-29 |
Family
ID=63665454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810635960.3A Active CN108616195B (en) | 2018-06-20 | 2018-06-20 | Motor with a motor housing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108616195B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111478513A (en) * | 2020-05-14 | 2020-07-31 | 南京欧陆电气股份有限公司 | Multifunctional enhanced integrated servo motor device |
| CN112072860A (en) * | 2020-08-06 | 2020-12-11 | 珠海格力电器股份有限公司 | Brake monitoring device, servo motor and servo motor control method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2254248Y (en) * | 1996-05-24 | 1997-05-14 | 陈水盛 | Pneumatic and hydraulic clutch brake motor |
| DE19818059A1 (en) * | 1998-04-22 | 1999-10-28 | Interelectric Ag Sachseln | Antifriction bearing for small electromotor |
| CN204179840U (en) * | 2014-08-12 | 2015-02-25 | 中国长江航运集团电机厂 | A kind of compact structure variable-frequency motor of built-in encoder |
| CN207304219U (en) * | 2017-08-18 | 2018-05-01 | 珠海格力节能环保制冷技术研究中心有限公司 | Motor |
| CN208257596U (en) * | 2018-06-20 | 2018-12-18 | 珠海格力电器股份有限公司 | Electric machine |
-
2018
- 2018-06-20 CN CN201810635960.3A patent/CN108616195B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2254248Y (en) * | 1996-05-24 | 1997-05-14 | 陈水盛 | Pneumatic and hydraulic clutch brake motor |
| DE19818059A1 (en) * | 1998-04-22 | 1999-10-28 | Interelectric Ag Sachseln | Antifriction bearing for small electromotor |
| CN204179840U (en) * | 2014-08-12 | 2015-02-25 | 中国长江航运集团电机厂 | A kind of compact structure variable-frequency motor of built-in encoder |
| CN207304219U (en) * | 2017-08-18 | 2018-05-01 | 珠海格力节能环保制冷技术研究中心有限公司 | Motor |
| CN208257596U (en) * | 2018-06-20 | 2018-12-18 | 珠海格力电器股份有限公司 | Electric machine |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111478513A (en) * | 2020-05-14 | 2020-07-31 | 南京欧陆电气股份有限公司 | Multifunctional enhanced integrated servo motor device |
| CN111478513B (en) * | 2020-05-14 | 2022-04-08 | 南京欧陆电气股份有限公司 | Multifunctional enhanced integrated servo motor device |
| CN112072860A (en) * | 2020-08-06 | 2020-12-11 | 珠海格力电器股份有限公司 | Brake monitoring device, servo motor and servo motor control method |
| CN112072860B (en) * | 2020-08-06 | 2021-11-23 | 珠海格力电器股份有限公司 | Brake monitoring device, servo motor and servo motor control method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108616195B (en) | 2024-03-29 |
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