CN208424107U - A kind of high temperature resistant permanent-magnet servo motor - Google Patents
A kind of high temperature resistant permanent-magnet servo motor Download PDFInfo
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- CN208424107U CN208424107U CN201821063637.5U CN201821063637U CN208424107U CN 208424107 U CN208424107 U CN 208424107U CN 201821063637 U CN201821063637 U CN 201821063637U CN 208424107 U CN208424107 U CN 208424107U
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Abstract
The utility model discloses a kind of high temperature resistant permanent-magnet servo motors, including sequentially connected drive end bearing bracket, shell and rear end cap, shaft is installed in shell, bearing is mounted between shaft and drive end bearing bracket and rear end cap, shaft is equipped with rotor core in interior of shell, permanent magnet is installed inside rotor core, outer casing inner wall is equipped with stator, shaft one end is fixedly installed with fan, fan is between rotor core and drive end bearing bracket, axis is the interior hollow tubular structure for offering axial ventilation hole, the other end of axis offers the radial air openings communicated vertical with axial ventilation hole, rotor core offers several along axial core ventilation hole, shell includes the first shell and second housing, second housing is set on the first shell, and hollow sandwich is formed between second housing and the first shell, there is spiral shell in spiral winding on the first shell in interlayer Revolve water pipe.The utility model can make permanent-magnet servo motor long-term stable work in an environment of high temperature.
Description
Technical field
The utility model relates to permanent-magnet servo motor technical field more particularly to a kind of high temperature resistant permanent-magnet servo motors.
Background technique
Servo motor can control the speed of motor and the position of shaft, and precision is very accurate, voltage signal can be converted
It is torque and revolving speed with drive control object, servo motor is widely used in industrial production automation field.In servo motor
Developing early stage direct current generator becomes main servo motor type with its good controllability, in a variety of servo-systems such as lathe
It widely applies.With the development of science and technology the appearance of especially rare earth permanent-magnetic material, permanent-magnet servo motor can satisfy modern height
Performance servo-system to high-precision, wide speed regulating range, low speed torque is big, stability is good, fast dynamic response requirement.
But the permanent-magnet servo motor performance under the hot environments such as power plant, boiler room is affected by high temperature, because
It can be reduced with the raising of temperature for the magnetic property of the permanent-magnet material in permanent-magnet servo motor, therefore high temperature is to the shadow of magneto
Sound becomes apparent compared with electro-magnetic motor.Performance declines conventional permanent magnet motor under high temperature environment, directly affects the work of magneto
Make control precision and performance, and because of high temperature, the winding meeting aging of motor can also destroy the insulating layer between winding, add simultaneously
The loss of lubricating oil in fast bearing greatly reduces the service life of machine winding and bearing, be easy to cause burning for motor.
Traditional permanent-magnet servo motor cools down to permanent-magnet servo motor ontology using in such a way that fan is installed in bottom,
The heat generated when can achieve the effect that under normal temperature environment to motor operation radiates；But if permanent-magnet servo motor
It itself needs to work under high temperature environment, still will be extremely limited using such fan cooling mode effect, permanent-magnet servo motor will
Can not long time continuous working under high temperature environment, and insufficient most likely result in permanent-magnet servo motor use because radiating
Service life decline, increases operation cost of enterprises.
Utility model content
In view of this, making permanent-magnet servo motor the purpose of the utility model is to provide a kind of high temperature resistant permanent-magnet servo motor
It can continuously work long hours, and radiate sufficiently, and extend permanent-magnet servo motor and use in a high temperauture environment under high temperature environment
Service life.
The utility model solves above-mentioned technical problem by following technological means:
A kind of high temperature resistant permanent-magnet servo motor, including sequentially connected drive end bearing bracket, shell and rear end cap, the interior peace of the shell
Equipped with shaft, it is mounted on bearing between the shaft and drive end bearing bracket, between the shaft and rear end cap, the shaft is in shell
Inside is equipped with rotor core, permanent magnet is equipped with inside the rotor core, the outer casing inner wall is in the corresponding position of rotor
Stator is installed, the upper surface of outer cover is equipped with connector, and described shaft one end is fixedly installed with fan, and the fan is located at
Between the rotor core and the drive end bearing bracket, the shaft is the interior hollow tubular structure for offering axial ventilation hole, described
The other end of shaft offers the radial air openings communicated vertical with axial ventilation hole, and the rotor core offers several along axis
To core ventilation hole, the shell includes the first shell and second housing, and the second housing is set on the first shell, and
Hollow sandwich is formed between the second housing and the first shell, the interlayer is interior to have spiral in spiral winding on the first shell
The inlet and outlet of water pipe, the pipe with spiral pipe run through the second housing；The shell close to the drive end bearing bracket one
End is also equipped with forward end seal lid, and the shell is equipped with tail end sealing lid, the forward end seal lid close to one end of rear end cap
With the ventilation hole for offering coaxial line on the drive end bearing bracket, the encoder is fixedly mounted on inside tail end sealing lid.
Further, the pipe with spiral pipe includes spaced first helix tube and the second helix tube, first spiral
It manages opposite with the water (flow) direction in the second helix tube.
Further, the water inlet includes the first water inlet and the second water inlet, and the water outlet includes the first water outlet
With the second water outlet；First water inlet and the first water outlet are separately positioned on the both ends of first helix tube, and described
Two water inlets and the second water outlet are separately positioned on the both ends of second helix tube；First water inlet and the first water outlet
Be mounted on the same side of the second housing, second water inlet and the second water outlet be arranged on the second housing with
The symmetrical another side in side of first water inlet and the first water outlet is installed；First water inlet is close to the front end
Sealing cover, second water inlet is close to the tail end sealing lid.
Using two helix tubes, and the water inlet direction of two helix tubes is different, the water (flow) direction in the first root canal and
Water (flow) direction in two root canals guarantees different parts inside servo motor on the contrary, make water flow heat absorption more sufficiently and balanced
Heat dispersal situations are roughly the same；Water-cooling is high-efficient, can guarantee that servo motor internal temperature is suitable for.
Further, the fan includes fan leaf and fan base, and the fan leaf is multi-disc, and the fan leaf is uniformly fixed
It is mounted on fan base outer surface, the fan base fixing sleeve is in the shaft.
Fan rotation accelerates the circulation of servo motor inner air, and the cold air inside servo motor is passed through the through-hole on axis
It is blown into axis and cools down to axis, guarantee that the operating temperature of axis is suitable for stablizing the property retention of axis.
Further, the core ventilation hole is arranged between two groups of adjacent permanent magnets.
The quantity in core ventilation hole be it is multiple, fan rotate when can blow air into core ventilation hole, one side iron core
Ventilation hole is conducive to accelerate the circulation of servo motor inner air, and the air flowing in another aspect core ventilation hole is conducive to rotor
Iron core cooling.
Further, the mating sealing rubber plug being equipped with for sealing on the ventilation hole.Top cover is more advantageous to sealing rubber
The plug of rubber plug.
Further, the forward end seal lid is fixed by screws on the drive end bearing bracket.Forward end seal lid allows with drive end bearing bracket
It is extraneous to completely cut off with inside permanent-magnet servo motor, isolation dust and slow down external heat and enter inside servo motor, avoids high temperature shadow
Ring motor performance.
The utility model has the beneficial effects that
1. the water pipe that spiral winding has water flow opposite between the first shell and second housing, servo motor work is taken away in water flow flowing
As when the heat that generates, guarantee the magnetic stability of permanent magnet, to guarantee that permanent-magnet servo motor still is able to grow under high temperature environment
The stable working condition of the holding of time；Water (flow) direction in two water pipes is protected on the contrary, make water flow heat absorption more sufficiently and balanced
The heat dispersal situations for demonstrate,proving different parts inside permanent-magnet servo motor are identical；It is high-efficient using water cooling method simultaneously, it can guarantee forever
Magnetic servo motor internal temperature is suitable.
2. fan is fixedly mounted in shaft, it is provided with perforative core ventilation hole on rotor core, is provided in shaft and permanent magnetism
Perforative ventilation hole inside servo motor, so that the rotor core of permanent-magnet servo motor and shaft can be dropped when motor rotates
Temperature guarantees that the property retention of rotor core and shaft is stablized, keeps permanent-magnet servo motor longer using the time.
Detailed description of the invention
Fig. 1 is a kind of cross-sectional view of high temperature resistant permanent-magnet servo motor of the utility model；
Fig. 2 is the mounting structure schematic diagram of shaft in the utility model；
When Fig. 3 in the utility model rotor core end structure illustration；
Fig. 4 is helix tube mounting structure schematic diagram in the utility model；
Fig. 5 is the position view of the inlet and outlet of the utility model；
Fig. 6 is a kind of high temperature resistant permanent-magnet servo motor overall structure diagram of the utility model；
Fig. 7 is the sealing rubber plug structural schematic diagram of the utility model；
Wherein, shaft 1, rotor core 2, permanent magnet 3, stator 4, drive end bearing bracket 5, rear end cap 6, bearing 7, encoder 8, connection
Device 9, fan 10, axial ventilation hole 11, radial air openings 12, core ventilation hole 13, the first shell 14, second housing 15, front end
Sealing cover 16, tail end sealing lid 17, ventilation hole 18, the first helix tube 19, the second helix tube 20, the first water inlet 21, second into
The mouth of a river 22, the first water outlet 23, the second water outlet 24, sealing rubber plug 25, screw 26.
Specific embodiment
The utility model is described in detail below with reference to the drawings and specific embodiments:
As shown in figs. 1-7, a kind of high temperature resistant permanent-magnet servo motor of the utility model, including shaft 1, rotor core 2, forever
Magnet 3, stator 4, shell, drive end bearing bracket 5, rear end cap 6, bearing 7, encoder 8 and connector 9, rotor core 2 are mounted on shaft 1
On, permanent magnet 3 be inserted into rotor core 2 inside, 4 sets of stator outside rotor core 2, stator 4 be fixedly mounted inside the housing, turn
The both ends of axis 1 are separately installed with bearing 7, and bearing 7 inlays the center for being mounted on drive end bearing bracket 5, rear end cap 6 respectively, drive end bearing bracket 5, after
End cap 6 is fixedly mounted inside the housing, and connector 9 is mounted on upper surface of outer cover, is also fixedly installed with fan 10, wind in shaft 1
Fan 10 is mounted between rotor core 2 and drive end bearing bracket 5, and the front end face of shaft 1 is provided with along axial axial ventilation hole 11, shaft 1
Tail portion be provided with the radial air openings 12 communicated vertical with axial ventilation hole 11；Rotor core 2 be equipped with axially through iron
Core ventilation hole 13；Shell includes the first shell 14 and second housing 15, and 14 outer surface of the first shell is equipped with revolves along axial screw
The inlet and outlet of the pipe with spiral pipe turned, pipe with spiral pipe run through second housing 15；Shell is also pacified close to one end of drive end bearing bracket 5
Equipped with forward end seal lid 16, the other end of shell is equipped with tail end sealing lid 17, is provided on forward end seal lid 16 and drive end bearing bracket 5
The ventilation hole 18 of coaxial line, encoder 8 are fixedly mounted on inside tail end sealing lid 17；
Pipe with spiral pipe includes the first helix tube 19 and the second helix tube 20, and water inlet includes the first water inlet 21 and second
Water inlet 22, water outlet include the first water outlet 23 and the second water outlet 24；First water inlet 21 and the first water outlet 23 difference
The both ends of first helix tube 19 are set, and the second water inlet 22 and the second water outlet 24 are separately positioned on the two of the second helix tube 20
End；First water inlet 21 and the first water outlet 23 are mounted on the same side of second housing 15, and the second water inlet 22 and second goes out
The symmetrical another side in side on second housing 15 with installation the first water inlet 21 and the first water outlet 23 is arranged in the mouth of a river 24；
First water inlet 21 is close to forward end seal lid 16, and the second water inlet 22 is close to tail end sealing lid 17；Using two pipe with spiral pipe,
And the water inlet of two pipe with spiral pipe is contrary, so that water flow heat absorption is more sufficiently and balanced, guarantees different inside servo motor
The heat dispersal situations at position are identical, and water-cooling is high-efficient, can guarantee that servo motor internal temperature is suitable for；
Fan 10 includes fan leaf and fan base, and fan leaf is multi-disc, and fan leaf is uniformly fixedly mounted on fan base appearance
Face, fan base fixing sleeve is in shaft 1, and fan leaf rotation accelerates the circulation of servo motor inner air, inside servo motor
Cold air is blown into shaft 1 by the through-hole in shaft 1 cools down to shaft 1, guarantees that the operating temperature of shaft 1 is suitable for making
The property retention of shaft 1 is stablized；
Core ventilation hole 13 is arranged between two groups of adjacent permanent magnets 3；The quantity in core ventilation hole 13 is multiple, fan
It can be blowed air into core ventilation hole 13 when 10 rotation, one side core ventilation hole 13 is conducive to accelerate empty inside servo motor
Air-flow is logical, and the air flowing in another aspect core ventilation hole 13 is conducive to the cooling of rotor core 2；
The mating sealing rubber plug 25 being equipped with for sealing on ventilation hole 18, when the environment temperature mistake of servo motor work
Gao Shi, sealing rubber plug 25, which is filled in ventilation hole, which can completely cut off outside air, enters inside motor, avoids external high temperature to motor
It is internal to influence；
Sealing rubber plug 25 includes that sealing cock body and top cover, top cover are more advantageous to the plug of sealing rubber plug 25；Front end is close
Capping 16 is spirally connected fixation with the drive end bearing bracket 5, forward end seal lid 16 and drive end bearing bracket 5 allow it is extraneous completely cut off with inside servo motor, subtract
Slow external heat enters inside servo motor.
The application method of the utility model is as follows:
In use, the water inlet of servo motor is first connected cooling water water source, cooling water is flowed into from water inlet, from water outlet
Outflow, starts motor；If the ambient temperature of servo motor work is excessively high, sealing rubber plug can be filled in ventilation hole
In, avoid outside air from flowing into inside servo motor.
Above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, although referring to preferred embodiment pair
The utility model is described in detail, those skilled in the art should understand that, it can be to the technology of the utility model
Scheme is modified or replaced equivalently, and without departing from the objective and range of technical solutions of the utility model, should all be covered
In the scope of the claims of the utility model.Technology that the utility model is not described in detail, shape, construction portion are known
Technology.
Claims (8)
1. a kind of high temperature resistant permanent-magnet servo motor, it is characterised in that: including sequentially connected drive end bearing bracket (5), shell and rear end cap
(6), it is equipped in the shell shaft (1), between the shaft (1) and drive end bearing bracket (5), the shaft (1) and rear end cap (6)
Between be mounted on bearing (7), the shaft (1) is equipped with rotor core (2) in interior of shell, in the rotor core (2)
Portion is equipped with permanent magnet (3), and the outer casing inner wall is equipped with stator (4) in the corresponding position of rotor, the upper surface of outer cover peace
Equipped with connector (9), described shaft (1) one end is fixedly installed with fan (10), and the fan (10) is located at the rotor core
(2) between the drive end bearing bracket (5), the shaft (1) is the interior hollow tubular structure for offering axial ventilation hole (11), described
The other end of shaft (1) offers the radial air openings (12) communicated vertical with axial ventilation hole (11), the rotor core (2)
Several core ventilation holes (13) along axial direction are offered, the shell includes the first shell (14) and second housing (15), described
Second housing (15) is set on the first shell (14), and between the second housing (15) and the first shell (14) in formation
Empty interlayer has a pipe with spiral pipe in spiral winding on the first shell (14) in the interlayer, the water inlet of the pipe with spiral pipe and
Water outlet runs through the second housing (15)；The shell is also equipped with forward end seal lid close to one end of the drive end bearing bracket (5)
(16), the shell is equipped with tail end sealing lid (17) close to one end of rear end cap (6), the forward end seal lid (16) and described
The ventilation hole (18) of coaxial line is offered on drive end bearing bracket (5), is fixedly installed with encoder inside the tail end sealing lid (17)
(8)。
2. a kind of high temperature resistant permanent-magnet servo motor according to claim 1, it is characterised in that: between the pipe with spiral pipe includes
Every in the first helix tube (19) and the second helix tube (20) of setting, first helix tube (19) and the second helix tube (20)
Water (flow) direction is opposite.
3. a kind of high temperature resistant permanent-magnet servo motor according to claim 2, it is characterised in that: the water inlet includes first
Water inlet (21) and the second water inlet (22), the water outlet include the first water outlet (23) and the second water outlet (24)；It is described
First water inlet (21) and the first water outlet (23) are separately positioned on the both ends of first helix tube (19), second water inlet
Mouth (22) and the second water outlet (24) are separately positioned on the both ends of second helix tube (20)；First water inlet (21) and
First water outlet (23) is mounted on the same side of the second housing (15), second water inlet (22) and the second water outlet
(24) side pair for being arranged on the second housing (15) and installing first water inlet (21) and the first water outlet (23)
The another side of title；For first water inlet (21) close to the forward end seal lid (16), second water inlet (22) is close
The tail end sealing lid (17).
4. a kind of high temperature resistant permanent-magnet servo motor according to claim 3, it is characterised in that: the fan (10) includes wind
Fan seat and multi-disc fan leaf, the fan leaf are uniformly fixedly mounted on fan base outer surface, and the fan base fixing sleeve is described
In shaft (1).
5. a kind of high temperature resistant permanent-magnet servo motor according to claim 4, it is characterised in that: the core ventilation hole (13)
It is arranged between two groups of adjacent permanent magnets (3).
6. a kind of high temperature resistant permanent-magnet servo motor according to claim 5, it is characterised in that: match on the ventilation hole (18)
Set is equipped with the sealing rubber plug (25) for sealing.
7. a kind of high temperature resistant permanent-magnet servo motor according to claim 6, it is characterised in that: the sealing rubber plug (25)
Including sealing cock body and top cover.
8. a kind of high temperature resistant permanent-magnet servo motor according to claim 7, it is characterised in that: the forward end seal lid (16)
It is fixed on the drive end bearing bracket (5) by screw (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821063637.5U CN208424107U (en) | 2018-07-06 | 2018-07-06 | A kind of high temperature resistant permanent-magnet servo motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821063637.5U CN208424107U (en) | 2018-07-06 | 2018-07-06 | A kind of high temperature resistant permanent-magnet servo motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208424107U true CN208424107U (en) | 2019-01-22 |
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ID=65124955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821063637.5U Active CN208424107U (en) | 2018-07-06 | 2018-07-06 | A kind of high temperature resistant permanent-magnet servo motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208424107U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115313766A (en) * | 2022-10-12 | 2022-11-08 | 珠海翔翼航空技术有限公司 | Cooling system of airborne generator |
-
2018
- 2018-07-06 CN CN201821063637.5U patent/CN208424107U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115313766A (en) * | 2022-10-12 | 2022-11-08 | 珠海翔翼航空技术有限公司 | Cooling system of airborne generator |
| CN115313766B (en) * | 2022-10-12 | 2022-12-06 | 珠海翔翼航空技术有限公司 | Cooling system of airborne generator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210607 Address after: 311401 Building 2, No.12, No.6 Road, Dongzhou industrial functional zone, Dongzhou street, Fuyang District, Hangzhou City, Zhejiang Province Patentee after: Zhejiang Xinli Electrical Technology Co.,Ltd. Address before: 311401 No.12, No.6 Road, Dongzhou Industrial Park, Fuyang District, Hangzhou City, Zhejiang Province Patentee before: HANGZHOU AOTAI ELECTRICAL Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A high temperature resistant permanent magnet servo motor Effective date of registration: 20211014 Granted publication date: 20190122 Pledgee: Zhejiang Fuyang rural commercial bank Limited by Share Ltd. Dongzhou branch Pledgor: Zhejiang Xinli Electrical Technology Co.,Ltd. Registration number: Y2021330001873 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |