CN208461598U - Rotor assembly and motor - Google Patents
Rotor assembly and motor Download PDFInfo
- Publication number
- CN208461598U CN208461598U CN201820941023.6U CN201820941023U CN208461598U CN 208461598 U CN208461598 U CN 208461598U CN 201820941023 U CN201820941023 U CN 201820941023U CN 208461598 U CN208461598 U CN 208461598U
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- rotor assembly
- bearing
- shaft
- end wall
- end cap
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Abstract
The utility model relates to motor fields, disclose a kind of rotor assembly and motor, the rotor assembly includes: end cap (1), and end cap is connected to and is coaxially disposed with central shaft hole equipped with central shaft hole (11) and the bearing chamber (12) being open axially inwards, bearing chamber；And encoder (2), encoder fitting are installed in the outer end wall of end cap.In the present invention, by the way that the bearing chamber being open axially inwards is arranged in the inner end wall of end cap, can make the encoder of single specification can be completely covered the central shaft hole opened up in the rotor assembly of plurality of specifications, in this way, it allows an encoder to be directly mounted in the outer end wall of end cap, namely encoder is not required to be connected on end cap by adapter flange again, the production cost of rotor assembly and motor can not only be greatly reduced, but also can effectively improve the production efficiency of rotor assembly or even motor.
Description
Technical field
The utility model belongs to technical field of motors, and in particular, to a kind of rotor assembly and motor.
Background technique
In existing rotor assembly, the bearing being open axially outward usually is formed on the axial outer end wall of end cap
Room, shaft bearing and the bearing cap for axial limiting shaft bearing are placed in the bearing chamber, are then sealed by encoder
The bearing chamber is covered, and its specification of the encoder of outsourcing is more single, causes the bearing chamber being arranged in the rotor assembly of different size
Can not be covered completely by a kind of encoder of specification, in this way, just adapter flange need to be added between end cap and encoder so that
Encoder can be installed on the axial outer end wall of end cap by the adapter flange.
But the rotor assembly of such structure, adapter flange need to be added between encoder and end cap, in this way, can be substantially
Improve the production cost of rotor assembly and motor.In addition, encoder is led to compared to directly encoder and end cap are fixedly linked
It crosses adapter flange to be fixedly connected on end cap, the production efficiency of rotor assembly or even motor can be caused also more low.
Utility model content
For above-mentioned insufficient or defect in the prior art, the utility model provides a kind of rotor assembly and motor, this turn
Sub- assembly is equipped with the bearing chamber being open axially inwards on end cap, and encoder is promoted to be not required to directly pacify by adapter flange again
In outer end wall loaded on end cap, in this way, also helping drop originally while improving production efficiency.
To achieve the above object, the utility model provides a kind of rotor assembly, which includes: end cap, described
End cap is equipped with central shaft hole and the bearing chamber that is open axially inwards, and the bearing chamber is connected to the central shaft hole and coaxial sets
It sets；And encoder, the encoder fitting are installed in the outer end wall of the end cap.
Preferably, the end cap includes the end cap ontology equipped with the central shaft hole and the inner end wall from the end cap ontology
The cyclic annular seam allowance protruded axially inwards is raised, is formed with the bearing chamber in the ring-type seam allowance protrusion；And the rotor is total
At including the brake for being located at the axially inner side of the end cap, the brake is equipped with seam allowance cavity, the ring-type seam allowance protrusion
Insertion is installed in the seam allowance cavity.
Preferably, the rotor assembly includes shaft bearing and bearing cap, and the shaft bearing is installed on the bearing chamber
In, the bearing cap is installed in the inner end wall of the cyclic annular seam allowance protrusion and axially compresses the shaft bearing.
Preferably, the rotor assembly includes shaft, the outer end of the shaft pass through after the inner ring of the shaft bearing from
The central shaft hole of the end cap is pierced by；Wherein, it is formed between the inner ring of the shaft bearing and the periphery wall of the shaft
Interference fit, is formed with radially installed gap between the periphery wall of the shaft bearing and the internal perisporium of the bearing chamber.
Preferably, the bearing cap includes the bearing cap flange being fixedly installed in the inner end wall of the cyclic annular seam allowance protrusion
Portion and the indoor retention bead portion of the bearing is protruded into, the retention bead portion axially compresses the outer ring of the shaft bearing.
Preferably, the base end wall of the bearing chamber is equipped with center counterbore, and the outer end face abutment ring of the outer ring is in described
On the base end wall wall surface of heart counterbore.
Preferably, the axial spacing between the inner face of the shaft bearing and the inner end wall of the cyclic annular seam allowance protrusion is not
Less than 2.5mm and it is not more than 5mm.
Preferably, the primitive axis between the inner end wall of the cyclic annular seam allowance protrusion and the outer end wall of the bearing cap flange portion
Not less than 0.2mm and it is not more than 1mm to fit-up gap.
Preferably, the outer end wall of the end cap ontology, which is formed with, projects axially outward and around central shaft hole arrangement
Annular stop boss, the inner end wall of the encoder is formed with limiting groove compatible with the annular stop boss, described
The base end wall of limiting groove is equipped with shaft slot, and the outer end of the shaft is plugged in the shaft slot.
Preferably, the outer end of the shaft includes the level-one reducing diameter part and second level contracting that outer end ontology and outer diameter reduce step by step
Diameter portion, the shaft bearing is set on the level-one reducing diameter part and inner face is pressed against the outer end face of the outer end ontology, described
There is radially installed gap between the periphery wall of second level reducing diameter part and the central shaft hole.
The utility model also provides a kind of motor, which includes rotor assembly.
Through the above technical solutions, in the rotor assembly of the utility model, by the way that axis is arranged in the inner end wall of end cap
To inwardly open bearing chamber, just it is not required to open up the bearing chamber being open axially outward in the outer end wall of end cap again, in this way, single
The central shaft hole opened up in the rotor assembly of plurality of specifications can be completely covered in the encoder of specification, and then keeps encoder direct
It is installed in the outer end wall of end cap, (is turning in this way, encoder is just not required to be fixedly connected on end cap by adapter flange again
It is not required to add adapter flange again in sub- assembly), while the production efficiency of rotor assembly and motor greatly improved, can also have
Effect reduces the production cost of rotor assembly or even motor.
Other features and advantages of the utility model will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
The attached drawing for constituting a part of the utility model is used to provide a further understanding of the present invention, this is practical new
The illustrative embodiments and their description of type are not constituteed improper limits to the present invention for explaining the utility model.?
In attached drawing:
Fig. 1 is a kind of structural schematic diagram of the rotor assembly of preferred embodiment of the utility model；
Fig. 2 is the stereoscopic schematic diagram of Fig. 1；
Fig. 3 is the structural blast schematic diagram of Fig. 1；
Fig. 4 is the entirety sectional view of Fig. 1；
Fig. 5 is the cross-sectional view of the end cap in Fig. 3；
Fig. 6 is the cross-sectional view of the encoder in Fig. 3；
Fig. 7 is the cross-sectional view of the brake in Fig. 3；
Fig. 8 is the cross-sectional view of the bearing cap in Fig. 3.
Description of symbols:
1 end cap, 2 encoder
3 brake, 4 shaft bearing
5 bearing cap, 6 shaft
11 central shaft hole, 12 bearing chamber
The 13 cyclic annular raised 14 annular stop boss of seam allowance
21 encoder flange portion, 22 limiting groove
23 shaft slot, 31 seam allowance cavity
51 bearing cap flange portion, 52 retention bead portion
61 outer end ontology, 62 level-one reducing diameter part
63 second level reducing diameter parts
121 center counterbores
Specific embodiment
Specific embodiment of the present utility model is described in detail below in conjunction with attached drawing.It should be understood that herein
Described specific embodiment is only used for describing and explaining the present invention, and is not intended to limit the utility model.
It should be noted that in the absence of conflict, the spy in embodiment and embodiment in the utility model
Sign can be combined with each other.
In the present invention, in the absence of explanation to the contrary, the noun of locality used such as " upper and lower, top, bottom " is usually
Be for direction shown in the drawings either for it is vertical, vertically or on gravity direction for each component mutual alignment
Relationship description word.
The utility model is described in detail below with reference to the accompanying drawings and in conjunction with embodiment.
The utility model provides firstly a kind of novel rotor assembly.A kind of specific rotor referring to figs. 1 to 4
In assembly structure, which includes: end cap 1, the bearing chamber 12 that end cap 1 is equipped with central shaft hole 11 and is open axially inwards,
Bearing chamber 12 is connected to and is coaxially disposed with central shaft hole 11；And encoder 2, encoder 2 are bonded the outer end wall for being installed on end cap 1
On.
Correspondingly, the utility model additionally provides a kind of motor, is assemblied in above-mentioned rotor assembly wherein.Specifically,
Rotor assembly can be internal rotor assembly, or outer rotor assembly, when accordingly, in motor being equipped with internal rotor assembly, then
The motor be inner rotor motor, and motor in contain outer rotor assembly when, then the motor is external rotor electric machine.
In the present invention, in the inner end wall of end cap 1, central shaft hole 11 is provided with the axis being open axially inwards
Room 12 is held, and bearing chamber 12 is connected and is coaxially disposed with central shaft hole 11, in this way, being just not required to again in the outer end wall of end cap 1
The bearing chamber 12 being open axially outward is opened up, and for the rotor assembly of different size, the encoder 2 of single specification can cover completely
Lid central shaft hole 11 so that encoder 2 can be directly mounted in the outer end wall of end cap 1 (such as encoder 2 by its from
The encoder flange portion 21 that body is equipped with is directly mounted in the outer end wall of end cap 1 etc.), namely be not required to again in encoder 2 and end cap 1
Between add adapter flange, in this way, the production cost of rotor assembly and motor can not only be greatly reduced, but also can effectively mention
The production efficiency of high rotor assembly or even motor.Certainly, it compared to adapter flange is arranged between encoder 2 and end cap 1, encodes
Device 2 is directly connected also with end cap 1 can shorten the axial length of rotor assembly, promote rotor assembly more compact.In addition,
Encoder 2 is mainly used for detecting the rotation of shaft 6, and the installation accuracy and job stability of encoder 2 are intended to
Ask higher, in this way, being unfavorable for the accurate installation of encoder 2 if encoder 2 is connected by adapter flange with end cap 1 and stablizing
Therefore encoder 2 is directly fitted and is installed in the outer end wall of end cap 1 by sex work, can not only improve the installation of encoder 2
Precision, and then promote the detection accuracy of encoder 2；But also the job stability of encoder 2 can be improved, be conducive to promote rotor
The reliability of assembly and motor.
It should be noted that in this embodiment, inner end refers to the axial inner ends of rotor assembly, correspondingly,
Outer end is the axial outer end of rotor assembly；By taking end cap 1 as an example, the inner end wall of end cap 1 is on end cap 1 towards rotor assembly
The wall surface of axial inner ends, the left wall face of end cap 1 as shown in Figure 4；The outer end wall of end cap 1 is then on end cap 1 towards rotor assembly
Axial outer end wall surface, the right wall of end cap 1 as shown in Figure 4 no longer enumerates explanation herein.
Further, referring to Fig. 3 to Fig. 7, end cap 1 includes end cap ontology equipped with central shaft hole 11 and from end cap ontology
The cyclic annular seam allowance protrusion 13 that inner end wall is protruded axially inwards is formed with bearing chamber 12 in cyclic annular seam allowance protrusion 13；And rotor is total
At including the brake 3 for being located at the axially inner side of end cap 1, brake 3 is equipped with seam allowance cavity 31, cyclic annular 13 insertion peace of seam allowance protrusion
Loaded in seam allowance cavity 31.So set, can be avoided seam allowance by the way that bearing chamber 12 to be embedded in the seam allowance container of brake 3
The space waste of cavity 31 is conducive to the axial length for shortening rotor assembly, and then makes rotor assembly and motor more small and exquisite
It is compact, it can be effectively reduced the transport and carrying cost of rotor assembly or even motor.Wherein, brake 3 is generally disposed at end cap 1
Axially inner side and for being braked to shaft 6.
Specifically, rotor assembly includes shaft bearing 4 and bearing cap 5, and shaft bearing 4 is installed in bearing chamber 12, bearing
Lid 5 is installed in the inner end wall of cyclic annular seam allowance protrusion 13 and axially compresses shaft bearing 4, referring to Fig. 4, in this way, passing through setting axis
Shaft bearing 4 can be given with axial limiting by holding lid 5, so that it is guaranteed that shaft bearing 4 will not be along axial direction in rotor assembly operation
It is mobile, be conducive to encoder 2 and stablize operation, and then promotes the reliability of rotor assembly.In addition, by setting bearing cap 5 with axis
To shaft bearing 4 is compressed, it also can avoid shaft bearing 4 and occur installing not positive situation, in this way, advantageously reducing shaft bearing 4
Pivoting friction, reduce operation noise.
Preferably, referring to Fig. 4, rotor assembly includes shaft 6, the outer end of shaft 6 pass through after the inner ring of shaft bearing 4 from
The central shaft hole 11 of end cap 1 is pierced by；Wherein, interference fit is formed between the inner ring of shaft bearing 4 and the periphery wall of shaft 6, is turned
It is formed with radially installed gap between the periphery wall of axle bearing 4 and the internal perisporium of bearing chamber 12, so set, making shaft bearing
4 inner ring can be rotated together with shaft 6, so that shaft 6 be avoided to generate relative friction with inner ring in operation, and then be ground
Inner ring is damaged, in this way, the service life of shaft bearing 4 can not only be improved, but also can be prevented to shaft 6 and shaft bearing 4
Concentricity has an impact.In addition, there is radially installed gap, such as between the outer ring of shaft bearing 4 and the internal perisporium of bearing chamber 12
This can effectively prevent contacting due to outer ring with the internal perisporium of bearing chamber 12 during shaft 6 drives inner ring persistently to rotate
And there is the situation of abrasion outer ring, in this way, also can be improved shaft bearing 4 service life and shaft 6 and shaft bearing 4 it is same
Axis degree.
Specifically, bearing cap 5 includes the bearing cap flange portion 51 being fixedly installed in the inner end wall of cyclic annular seam allowance protrusion 13
With the retention bead portion 52 protruded into bearing chamber 12, referring to Fig. 4 and Fig. 8, retention bead portion 52 is axial to compress the outer of shaft bearing 4
Circle.Certainly, bearing cap 5 can also be other set-up modes appropriate, and details are not described herein.
Preferably, referring to Fig. 4 and Fig. 5, the base end wall of bearing chamber 12 is equipped with center counterbore 121, and the outer end face of outer ring abuts
On the base end wall wall surface of center counterbore 121, in this way, center counterbore 121, energy is arranged by the base end wall in bearing chamber 12
Enough so that having axial gap between inner ring and the base end wall of bearing chamber 12, in this way, in the inner ring companion shaft 6 of shaft bearing 4
During rotating together, the base end wall of bearing chamber 12 would not wear inner ring, be conducive to the service life for improving inner ring.This
Outside, outer ring and the base end wall phase of bearing chamber 12 of center counterbore 121 namely shaft bearing 4 are set in the base end wall of bearing chamber 12
It abuts, inner ring is but not required to abut the base end wall simultaneously, in this way, the production precision of shaft bearing 4 can be reduced, is conducive to drop originally.
Specifically, referring to Fig. 4, between the axial direction between the inner face of shaft bearing 4 and the inner end wall of cyclic annular seam allowance protrusion 13
Away from not less than 2.5mm and no more than 5mm.It is to be appreciated that the inner end wall of the inner face of shaft bearing 4 and cyclic annular seam allowance protrusion 13
If axial spacing between is arranged too small, and it is convex that bearing cap flange portion 51 is installed on cyclic annular seam allowance by the fasteners such as screw
When rising in 13 inner end wall, the retention bead portion 52 of bearing cap 5 is just easier to skew, and retention bead portion 52 is caused to give shaft axis
The axial direction for holding 4 outer ring compresses power unevenness, in this way, will have an impact to the concentricity of shaft 6 and shaft bearing 4.In addition, turning
Axial spacing value between the inner face of axle bearing 4 and the inner end wall of cyclic annular seam allowance protrusion 13 is bigger, namely cyclic annular seam allowance protrusion
13 height of projection is higher, then when the timing of the specification of brake 3 one, with the increase of the height of projection of cyclic annular seam allowance protrusion 13,
The bearing cap 5 being installed in the inner end wall of cyclic annular seam allowance protrusion 13 is just easier to generate interference with brake 3, to influence to brake
The installation of device 3；And if avoiding bearing cap 5 and the generation of brake 3 from interfering and increase the axial length of brake 3, then it will increase
The axial length of rotor assembly.
In addition, referring to Fig. 4, it is initial between the inner end wall of cyclic annular seam allowance protrusion 13 and the outer end wall of bearing cap flange portion 51
Axial fit-up gap is not less than 0.2mm and is not more than 1mm.Wherein, the bearing cap flange portion 51 that initial axial fit-up gap refers to is not
Initial spacing when being fixedly installed in cyclic annular seam allowance protrusion 13 using fastener.Specifically, the initial axial fit-up gap mistake
Small, then when being installed using fasteners such as screws, the fastening force that shaft bearing 4 is given in retention bead portion 52 is just weaker, in this way, when interior
When circle is quickly rotated with shaft 6, outer ring is easier to generate axial movement due to axially fastening power deficiency, and then to 6 He of shaft
The concentricity of shaft bearing 4 has an impact；And the initial axial fit-up gap is excessive, then bearing cap 5 is just easier to and brake 3
Interference is generated, to influence the installation of brake 3；And increase brake if avoiding bearing cap 5 and brake 3 from generating interference
3 axial length then will increase the axial length of rotor assembly.
To be installed in the outer end wall of end cap 1 convenient for encoder 2, referring to fig. 4 to fig. 6, the outer end wall of end cap ontology is formed
Have and project axially outward and surround the annular stop boss 14 that central shaft hole 11 is arranged, the inner end wall of encoder 2 is formed with and ring
The compatible limiting groove 22 of shape positive stop lug boss 14, the base end wall of limiting groove 22 are equipped with shaft slot 23, and the outer end of shaft 6 is inserted
Loaded in shaft slot 23.
Preferably, the outer end of shaft 6 includes the level-one reducing diameter part 62 and second level that outer end ontology 61 and outer diameter reduce step by step
Reducing diameter part 63, shaft bearing 4 is set on level-one reducing diameter part 62 and inner face is pressed against the outer end face of outer end ontology 61, second level undergauge
There is radially installed gap, referring to Fig. 3 and Fig. 4, in this way, being conducive to improve shaft between the periphery wall and central shaft hole 11 in portion 63
6 and shaft bearing 4 concentricity, and then rotate shaft 6 smoothly, the safety coefficient when improving user and using
Meanwhile user is also improved for the usage experience of rotor assembly and motor.
It should be strongly noted that according to other compositions of rotor assembly and motor in the utility model embodiment with
And effect, be all for the ordinary skill in the art it is known, in order to reduce redundancy, be not repeated herein.
The above is only the better embodiments of the utility model, are not intended to limit the utility model, all in this reality
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on change should be included in the utility model
Protection scope within.
It is further to note that specific technical features described in the above specific embodiments, in not lance
It in the case where shield, can be combined in any appropriate way, in order to avoid unnecessary repetition, the utility model is to each
No further explanation will be given for the possible combination of kind.
In addition, any combination can also be carried out between a variety of different embodiments of the utility model, as long as it is not disobeyed
The thought for carrying on the back the utility model, equally should be considered as content disclosed in the utility model.
Claims (11)
1. a kind of rotor assembly, which is characterized in that the rotor assembly includes:
End cap (1), the bearing chamber (12) that the end cap (1) is equipped with central shaft hole (11) and is open axially inwards, the bearing chamber
(12) it is connected to and is coaxially disposed with the central shaft hole (11)；And
Encoder (2), encoder (2) fitting are installed in the outer end wall of the end cap (1).
2. rotor assembly according to claim 1, which is characterized in that the end cap (1) includes being equipped with the central shaft hole
(11) end cap ontology and the cyclic annular seam allowance protruded axially inwards from the inner end wall of the end cap ontology are raised (13), the ring-type
The bearing chamber (12) are formed in seam allowance protrusion (13)；And
The rotor assembly includes the brake (3) of the axially inner side positioned at the end cap (1), and the brake (3) is equipped with only
Mouth cavity (31), the ring-type seam allowance raised (13) insertion are installed in the seam allowance cavity (31).
3. rotor assembly according to claim 2, which is characterized in that the rotor assembly includes shaft bearing (4) and axis
It holds lid (5), the shaft bearing (4) is installed in the bearing chamber (12), and the bearing cap (5) is installed on the cyclic annular seam allowance
Compress in the inner end wall of raised (13) and axially the shaft bearing (4).
4. rotor assembly according to claim 3, which is characterized in that the rotor assembly includes shaft (6), the shaft
(6) outer end is pierced by after the inner ring of the shaft bearing (4) from the central shaft hole (11) of the end cap (1)；Wherein,
Interference fit is formed between the inner ring of the shaft bearing (4) and the periphery wall of the shaft (6), the shaft bearing (4)
Radially installed gap is formed between periphery wall and the internal perisporium of the bearing chamber (12).
5. rotor assembly according to claim 3, which is characterized in that the bearing cap (5) is described including being fixedly installed in
Bearing cap flange portion (51) in the inner end wall of cyclic annular seam allowance raised (13) and protrude into the retention bead in the bearing chamber (12)
Portion (52), the retention bead portion (52) axially compress the outer ring of the shaft bearing (4).
6. rotor assembly according to claim 5, which is characterized in that the base end wall of the bearing chamber (12) is heavy equipped with center
Hole (121), the outer end face abutment ring of the outer ring is on the base end wall wall surface of the center counterbore (121).
7. rotor assembly according to claim 3, which is characterized in that the inner face and the ring of the shaft bearing (4)
Axial spacing between the inner end wall of shape seam allowance raised (13) not less than 2.5mm and is not more than 5mm.
8. rotor assembly according to claim 5, which is characterized in that the inner end wall of the ring-type seam allowance raised (13) and institute
The initial axial fit-up gap between the outer end wall of bearing cap flange portion (51) is stated not less than 0.2mm and no more than 1mm.
9. rotor assembly according to claim 4, which is characterized in that the outer end wall of the end cap ontology be formed with it is axial to
Outer protrusion and the annular stop boss (14) for surrounding the central shaft hole (11) arrangement, the inner end wall of the encoder (2) are formed
There is the compatible limiting groove (22) with the annular stop boss (14), the base end wall of the limiting groove (22) is equipped with shaft
Slot (23), the outer end of the shaft (6) are plugged in the shaft slot (23).
10. rotor assembly according to claim 4, which is characterized in that the outer end of the shaft (6) includes outer end ontology
(61) and outer diameter the level-one reducing diameter part (62) and second level reducing diameter part (63) that reduce step by step, the shaft bearing (4) are set in institute
State on level-one reducing diameter part (62) and inner face be pressed against the outer end face of the outer end ontology (61), the second level reducing diameter part (63) it is outer
There is radially installed gap between peripheral wall and the central shaft hole (11).
11. a kind of motor, which is characterized in that the motor include according to claim 1~any one of 10 described in rotor
Assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820941023.6U CN208461598U (en) | 2018-06-15 | 2018-06-15 | Rotor assembly and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820941023.6U CN208461598U (en) | 2018-06-15 | 2018-06-15 | Rotor assembly and motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208461598U true CN208461598U (en) | 2019-02-01 |
Family
ID=65160118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820941023.6U Active CN208461598U (en) | 2018-06-15 | 2018-06-15 | Rotor assembly and motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208461598U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113405581A (en) * | 2021-05-27 | 2021-09-17 | 上海五钢设备工程有限公司 | Encoder mounting seat |
| CN114629301A (en) * | 2020-08-31 | 2022-06-14 | 广东美的智能科技有限公司 | Motor and servo control system with same |
-
2018
- 2018-06-15 CN CN201820941023.6U patent/CN208461598U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114629301A (en) * | 2020-08-31 | 2022-06-14 | 广东美的智能科技有限公司 | Motor and servo control system with same |
| CN114629303A (en) * | 2020-08-31 | 2022-06-14 | 广东美的智能科技有限公司 | Motor and servo control system with same |
| CN114629301B (en) * | 2020-08-31 | 2023-12-01 | 广东美的智能科技有限公司 | Motor and servo control system with same |
| CN114629303B (en) * | 2020-08-31 | 2023-12-01 | 广东美的智能科技有限公司 | Motor and servo control system with same |
| CN113405581A (en) * | 2021-05-27 | 2021-09-17 | 上海五钢设备工程有限公司 | Encoder mounting seat |
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