CN113972787A - Axial adjusting device and motor - Google Patents
Axial adjusting device and motor Download PDFInfo
- Publication number
- CN113972787A CN113972787A CN202010723219.XA CN202010723219A CN113972787A CN 113972787 A CN113972787 A CN 113972787A CN 202010723219 A CN202010723219 A CN 202010723219A CN 113972787 A CN113972787 A CN 113972787A
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- adjusting
- locking
- adjustment
- axial
- adjustment device
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- 238000000034 method Methods 0.000 abstract description 16
- 230000001105 regulatory effect Effects 0.000 abstract 2
- 230000004308 accommodation Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000012858 resilient material Substances 0.000 description 1
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- 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
- H02K7/12—Structural association with clutches, brakes, gears, pulleys or mechanical starters with auxiliary limited movement of stators, rotors or core parts, e.g. rotors axially movable for the purpose of clutching or braking
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention discloses an axial adjusting device, which comprises a fixing part, a rotating part and a rotating part, wherein the fixing part is provided with a threaded hole; the adjusting part is arranged coaxially with the threaded hole, at least part of the adjusting part is arranged in the threaded hole, the adjusting part is provided with an external thread, and the external thread is matched with the internal thread of the threaded hole; and the locking part is used for locking the adjusting part after the adjusting part completes the adjustment in the axial direction. This axial adjusting device only needs unblock sticking department just can be through the quick regulation that realizes the axial position of rotation regulating part, and the regulation precision is high, and whole accommodation process is simple reliable, adjust accomplish after the back through the locking part with regulating part and fixed part locking can, convenient operation. The invention also discloses a motor, and the axial adjusting device is arranged between the rotor and the shell of the motor.
Description
Technical Field
The invention relates to the technical field of motor equipment, in particular to an axial adjusting device and a motor.
Background
To some devices that have axle type part, when carrying out the installation of axle type part, need adjust the mounted position of counter shaft in the axial, in prior art, mainly through increase adjusting shim or use the hammer to beat the axle head at the axle head for axle type part is in on suitable position, ensures whole equipment can reliable and stable work, but current adjustment mode regulation degree of difficulty is big, and the adjustment accuracy is poor, influences the wholeness ability of device.
For example, the utility model discloses a utility model with publication number CN203596699U discloses a motor with adjustable axle clearance, including the casing, be equipped with stator and rotor in the casing to and the motor shaft of being connected with the rotor, the motor shaft both ends are supported in the casing through the oiliness bearing, and the motor shaft front end is located oiliness bearing inboard and is equipped with nylon gasket, retaining ring and the opening circle of adjusting installation clearance, and the motor shaft is located the oiliness bearing outside and is equipped with the axial clearance adjustment subassembly of adjusting motor shaft axial clearance, axial clearance adjustment subassembly is including opening snap ring and adjusting shim, the motor shaft front end is located the oiliness bearing outside and is equipped with the draw-in groove, and the assembly of opening snap ring is in the draw-in groove, and the interval forms clearance adjustment and separates the chamber between opening snap ring and the oiliness bearing, adjusting shim inlays the cooperation in clearance adjustment separates the chamber, and adjusting shim is the resilient means that resilient material supported. However, the axial position of the motor shaft is adjusted through the gasket, the adjustment precision is poor due to the influence of the thickness of the gasket, and the adjustment process is complex due to the matching of the split snap ring and the adjusting gasket.
Disclosure of Invention
The invention aims to provide an axial adjusting device, which is used for solving the problems of high adjusting difficulty and poor adjusting precision of an axial adjusting mode in the prior art.
In order to achieve the above object, the present invention provides an axial adjustment device comprising: a fixing part provided with a threaded hole; the adjusting part is arranged coaxially with the threaded hole, at least part of the adjusting part is arranged in the threaded hole, the adjusting part is provided with an external thread, and the external thread is matched with the internal thread of the threaded hole; and the locking part is used for locking the adjusting part after the adjusting part completes the adjustment in the axial direction.
Optionally, the locking portion includes a first locking portion provided on the fixing portion and a second locking portion provided on the adjusting portion, the second locking portion being capable of cooperating with the first locking portion to lock the adjusting portion.
Optionally, the adjusting portion is provided with an adjusting ring, the second locking portion is provided on the adjusting ring, and the adjusting ring and the adjusting portion move synchronously.
Optionally, a clamping groove is formed in the adjusting portion, a convex portion is formed in the adjusting ring, and the convex portion is clamped with the clamping groove.
Optionally, the adjusting ring is provided with an identification symbol for identifying the position where the second locking portion coincides with the first locking portion.
Optionally, the inner side of the outer end opening of the adjusting part is provided with a flange, and the flange is used for abutting against the shaft end.
Optionally, if the number of the first locking parts is N, the number of the second locking parts is M, the least common multiple of N and M is P, and the greatest common divisor is Q, the division angle of the rotation of the adjusting part is N
The second locking portion overlaps the first locking portion by the number Q.
Alternatively, the internal thread has a lead of L and the adjusting part is moved by a distance in the axial direction when it is rotated by a division angle A
Alternatively, N-16, M-18, L-1.5 mm.
The invention provides a motor, comprising; a housing provided with a stator; and the rotor is arranged coaxially with the stator, wherein at least one axial adjusting device as in any one of the above embodiments is arranged between the rotor and the shell and used for adjusting the position of the rotor along the axial direction.
As described above, the axial adjustment device provided by the invention can quickly realize the adjustment of the axial position by rotating the adjustment part only by unlocking the locking part, the adjustment precision is high, the whole adjustment process is simple and reliable, the adjustment part and the fixing part are locked by the locking part after the adjustment is finished, and the operation is convenient.
In order that the foregoing and other objects, features, and advantages of the invention will be readily understood, a preferred embodiment of the invention will be hereinafter described in detail with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 schematically shows a perspective view of an axial adjustment device according to the present invention;
FIG. 2 is a schematic view showing an axial adjustment device of the present invention in a disassembled configuration;
figure 3 shows schematically an internal partial view of an electrical machine according to the invention.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure. While the invention will be described in conjunction with the preferred embodiments, it is not intended that features of the invention be limited to these embodiments. On the contrary, the invention is described in connection with the embodiments for the purpose of covering alternatives or modifications that may be extended based on the claims of the present invention. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may be practiced without these particulars. Moreover, some of the specific details have been left out of the description in order to avoid obscuring or obscuring the focus of the present invention.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
Fig. 1 schematically shows a perspective structure diagram of an axial adjustment device of the present invention, fig. 2 schematically shows a structural disassembly diagram of the axial adjustment device of the present invention, and referring to fig. 1 and fig. 2, an embodiment of the present invention provides an axial adjustment device 1, including: a fixing portion 10 provided with a screw hole 100; the adjusting part 11 is arranged coaxially with the threaded hole 100, at least part of the adjusting part is arranged in the threaded hole 100, an external thread 110 is arranged on the adjusting part 11, and the external thread 110 is matched with an internal thread of the threaded hole 100; and a locking part 12 for locking the adjusting part 11 after the adjusting part 11 is adjusted in the axial direction (as shown in the X direction in fig. 1).
That is, the axial adjustment device 1 mainly comprises a fixing portion 10, an adjusting portion 11 and a locking portion 12, wherein the adjusting portion 11 is at least partially installed in the fixing portion 10, and the adjusting portion 11 is screwed into the fixing portion 10, and the adjusting portion 11 is rotated along the circumferential direction (as shown in the direction T in fig. 1) of the adjusting portion 11, so that the position of the adjusting portion 11 in the axial direction can be changed, that is, the adjusting portion 11 can be moved in the axial direction by rotating the adjusting portion 11 in the circumferential direction, and the distance of the connecting component in the axial direction can be adjusted. The locking portion 12 can lock the adjusting portion 11 and the fixing portion 10 after the adjustment of the adjusting portion 11 is completed, and prevent the adjusting portion 11 from moving.
Specifically, referring to fig. 3 in conjunction with fig. 1-2, in the present embodiment, the axial adjustment device 1 is disposed at one end of the rotor 21 in the motor 2, the adjusting portion 11 abuts against an end of the rotor shaft 210, and the fixing portion 10 is integrally formed with the housing 20 of the motor 2. In the axial direction (as shown in the direction X in fig. 3) of the rotor 21, a stator 200, a rotor disk 211 and the stator 200 are sequentially disposed in the housing 20 of the electric machine 2, that is, the electric machine 2 in this embodiment is an axial permanent magnet disk electric machine, and the rotor disk 211 is disposed between the two stators 200. In the axial direction, two rotating air gaps Q1/Q2 are formed between the rotor disc 211 and the two stators 200, and a reasonably uniform rotating air gap Q1/Q2 is required between the rotor disc 211 and the stators 200 in the manufacturing, adjusting and debugging process of the motor 2.
In the prior art, the two ends of the rotor shaft are mainly adjusted by adding gaskets with different thicknesses, the method needs to carry out a large amount of measurement and calculation on related components before assembly to determine the thickness of the gaskets, the method is difficult, the condition of uneven rotating air gap is still caused due to uneven axial magnetic tension after assembly, and the adjustment effect is poor.
In the embodiment, during and after the assembly of the motor 2, the axial position of the rotor 21 inside the motor 2 can be quickly and arbitrarily adjusted by rotating the adjusting part 11 only by unlocking the locking part 12, so that the rotating air gaps Q1/Q2 between the two sides of the rotor disc 211 and the stator 200 are kept consistent, the uniformity of the rotating air gaps Q1/Q2 is ensured, the operating efficiency of the motor 2 is improved, the adjusting precision is high, the whole adjusting process is simple and reliable, and after the adjustment is completed, the adjusting part 11 and the fixing part 10 are locked by the locking part 12.
Further, referring to fig. 3 in combination with fig. 1-2, in the present embodiment, a bearing 22 is disposed between the adjusting portion 11 and the end of the rotor shaft 210, an inner ring 220 of the bearing 22 is sleeved on the end of the rotor shaft 210, an outer ring 221 of the bearing 22 is installed in an inner cavity of the adjusting portion 11, a flange 112 is disposed inside an outer end opening of the adjusting portion 11, and the flange 112 is used for abutting against the outer ring 221 of the bearing 22. This ensures stable and reliable rotation of the rotor shaft 21. In other embodiments, the adjusting portion may abut against the end portion of the rotor shaft in other forms, which is not limited in the present invention, and may be reasonably selected according to actual needs as long as the adjusting portion can ensure reliable and accurate adjustment of the rotor shaft in the axial direction.
It should be noted that the application scenario and the specific structure of the axial adjustment device are not limited, and the axial adjustment device can be reasonably set and selected according to actual needs, as long as the axial adjustment device can ensure reliable adjustment of the axial position of the shaft.
Further, referring to fig. 1-2, in the present embodiment, the locking portion 12 includes a first locking portion 120 and a second locking portion 121, the first locking portion 120 is provided on the fixing portion 10, the second locking portion 121 is provided on the adjustment portion 11, and the second locking portion 121 is capable of being engaged by the first locking portion 120 to lock the adjustment portion 11. By providing the first locking portion 120 and the second locking portion 121, after the adjustment of the adjustment portion 11 is completed, the first locking portion 120 and the second locking portion 121 are locked, so that the adjustment portion 11 and the fixing portion 10 are kept fixed, and the locking process is simple and quick.
It should be noted that, the specific structure of the locking portion is not limited in the present invention, and may be reasonably arranged according to actual needs as long as the adjusting portion and the fixing portion can be locked together.
Specifically, referring to fig. 1 to 3, in the present embodiment, the first locking portion 120 is a threaded hole, the second locking portion 121 is a through hole, and after the adjustment of the adjustment portion 11 is completed, a locking bolt (not shown) is threaded into the first locking portion 120 through the second locking portion 121, so that the first locking portion 120 and the second locking portion 121 are locked, and further the adjustment portion 11 and the fixing portion 10 are fixed, and the locking process is simple and fast.
In other embodiments, the first locking portion and the second locking portion may have other structures, which is not limited in the present invention, and may be arranged according to actual needs, for example, the first locking portion may be a protrusion, the second locking portion may be a latch, and after the adjustment of the adjustment portion is completed, the second locking portion is locked with the first locking portion, so that the adjustment portion and the fixing portion are kept fixed.
Further, in the present embodiment, if the number of the first locking portions 120 is N, the number of the second locking portions 121 is M, the least common multiple of N and M is P, and the greatest common divisor is Q, the division angle of the rotation of the adjusting portion 11 is N
The second locking portion 121 overlaps the first locking portion 120 by the number Q.
The term "indexing angle" as used herein refers to the smallest indexing angle of rotation of the adjustment portion, i.e., the smallest angle of rotation of the adjustment portion in the circumferential direction and the movement of the adjustment portion in the axial direction by a certain distance while ensuring that at least one first locking portion 120 can be locked with the second locking portion 121.
In order to facilitate the control of the adjustment accuracy, it is necessary to have a certain number relationship between the number of the first locking portions 120 and the number of the second locking portions 121, and when the required division angle is a, the number may be determined according to the number of the first locking portions 120 and the number of the second locking portions 121
A value P is derived, i.e. the value P represents the number of graduations of one revolution in the circumferential direction of the adjustment part 11, then a value Q is derived depending on the number of times the second locking part 121 needs to coincide with the first locking part 120, and finally the appropriate M and N are selected depending on the values P and Q. The number of first locking portions 120 is set according to the selected value N and the number of second locking portions 121 is set according to the selected value M, and during the machining, the corresponding number of first locking portions 120 and second locking portions 121 are machined on the fixing portion 10 and the adjusting portion 11, respectively, according to the values of N and M. When being installed, the at least one second locking part 121 is aligned with the first locking part 120, so that the first locking part 120 and the second locking part 121 are locked during the adjustment process, and the locking process is simple and convenient to operate.
Further, in the present embodiment, the lead of the internal thread is L whenWhen the adjusting part 11 rotates by one index angle A, the adjusting part 11 moves in the axial direction by a distance
It can be seen that, with a constant indexing angle, the threads of different lead lengths can move the adjusting part 11 by different distances in the axial direction, that is, by selecting a thread of an appropriate lead length, the axial adjustment device 1 has an appropriate axial adjustment accuracy.
Specifically, referring to fig. 1-2, in the present embodiment, N is 16, M is 18, and L is 1.5 mm. That is, 16 first locking portions 120 are provided on the fixing portion 10, and the adjusting portion 11 is provided with 18 second locking portions 121, 16 and 18, and the smallest common multiple P is 144, that is, the adjusting portion 11 can be indexed 144 times in the circumferential direction, and the largest common multiple Q is 2, the indexing angle of rotation of the adjusting portion 11 is obtained
2 second locking parts 121 are overlapped with the first locking parts 120, that is, 2 second locking parts 121 and 2 first locking parts 120 can be aligned and distributed at symmetrical positions on the adjusting part 11, and the adjusting part 11 and the fixing part 10 can be locked and fixed at the symmetrical positions, so that the adjusting part 11 is uniformly stressed and is convenient to adjust.
In the present embodiment, the thread engaged between the adjusting portion 11 and the fixing portion 10 is a single-start thread, that is, the thread has a pitch equal to the lead L (the relationship between the pitch and the lead is common knowledge in the art and is not described herein), and L is 1.5mm and the formula
It can be seen that when the adjustment part 11 is rotated by an index angle a of 2.5 °, the adjustment part 11 is moved in the axial direction by a distance
That is to say, the adjusting part 11 can adjust the distance of 0.01mm in the axial direction by rotating a dividing angle, the adjusting process is convenient, the adjusting precision is high, and meanwhile, the adjusting part can adjust the distance according to different conditionsThe adjustment precision requirement of (2) selects proper lead and has good adaptability.
In this embodiment, the N, M and L values may also be other values, such as but not limited to those selected from the following table (table 1):
as can be seen from the above table, in this embodiment, the selected values of N and M are both even numbers, and the value of L is 1.5, 2, and 3, and in other embodiments, the values of N, M and L may be other values.
Further, referring to fig. 1-2, in the present embodiment, the adjusting portion 11 is provided with an adjusting ring 13, the second locking portion 121 is provided on the adjusting ring 13, and the adjusting ring 13 moves in synchronization with the adjusting portion 11.
Specifically, referring to fig. 1-2, the adjusting ring 13 and the adjusting portion 11 are assembled after being independently machined, the second locking portions 121 are disposed on the adjusting ring 13 and uniformly distributed along the circumferential direction of the adjusting ring 13, and the adjusting ring 13 is detachably disposed at the outer end of the adjusting portion 11 and can move synchronously with the adjusting portion 11 along the circumferential direction of the adjusting portion 11. In the adjusting process, the adjusting ring 13 is rotated, so that the adjusting part 11 rotates and moves in the axial direction, the adjustment of the axial position of the shaft is realized, the adjusting process is simple, the adjusting ring 13 is convenient to replace by detachably connecting the adjusting ring 13 with the adjusting part 11, the whole adjusting device 1 can adapt to different application scenes, and the adjusting device has good interchangeability and universality.
In other embodiments, the adjusting ring and the adjusting portion may be integrally formed, such as by casting or forging, but the invention is not limited thereto, and may be configured or selected as needed as long as the adjusting ring and the adjusting portion can move synchronously.
Further, referring to fig. 1-2, in the present embodiment, a locking groove 111 is provided on the adjusting portion 11, a protruding portion 130 is provided on the adjusting ring 13, and the protruding portion 130 is engaged with the locking groove 111. That is, the adjusting portion 11 and the adjusting ring 13 are connected by a snap-fit connection, wherein the snap grooves 111 are uniformly distributed at the outer end of the adjusting portion 11 along the circumferential direction of the adjusting portion 11, the protrusions 130 are uniformly distributed at the inner side of the adjusting ring 13 and extend radially inward of the adjusting ring 13, when the adjusting ring is installed, the protrusions 130 are aligned with the snap grooves 111, and the adjusting ring 13 is pushed in the axial direction, so that the protrusions 130 are snapped with the snap grooves 111, thereby facilitating the installation and the removal. In other embodiments, the adjusting portion and the adjusting ring may be connected in other manners, which is not limited by the present invention.
In addition, for the convenience of understanding and recognizing the position of rotation of the adjusting ring 13, referring to fig. 1-2, in the present embodiment, the adjusting ring 13 is provided with an identification symbol 131 for identifying the position where the second locking portion 121 coincides with the first locking portion 120. When installed, the second locking portion 121 corresponding to the identification symbol 131 may be coincident with the first locking portion 120, facilitating observation of the rotation process of the adjustment ring 13.
Fig. 3 schematically shows an internal partial schematic view of an electric machine of the invention, embodiments of the invention also providing an electric machine 2 comprising; a housing 20 provided with a stator 200; a rotor 21, which is coaxially arranged with the stator 200, wherein at least one axial adjustment device 1 as in any of the above embodiments is arranged between the rotor 21 and the housing 20 for adjusting the position of the rotor 21 in the axial direction (as shown in the direction X in fig. 3).
As described above, when the axial adjustment device provided by the invention is applied to the technical scheme of the invention, the axial position can be quickly adjusted by rotating the adjustment part only by unlocking the locking part, the adjustment precision is high, the whole adjustment process is simple and reliable, the adjustment part and the fixing part are locked by the locking part after the adjustment is completed, and the operation is convenient.
In summary, the above-mentioned embodiments are provided only for illustrating the principles and effects of the present invention, and not for limiting the present invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. An axial adjustment device, comprising:
a fixing part provided with a threaded hole;
the adjusting part is coaxially arranged with the threaded hole, at least part of the adjusting part is arranged in the threaded hole, an external thread is arranged on the adjusting part, and the external thread is matched with the internal thread of the threaded hole;
and the locking part is used for locking the adjusting part after the adjusting part completes the adjustment in the axial direction.
2. The axial adjustment device of claim 1, wherein the locking portion includes a first locking portion provided on the fixing portion and a second locking portion provided on the adjustment portion, the second locking portion being capable of being engaged by the first locking portion to lock the adjustment portion.
3. The axial adjustment device as set forth in claim 2, wherein an adjustment ring is provided on the adjustment portion, the second locking portion is provided on the adjustment ring, and the adjustment ring moves in synchronization with the adjustment portion.
4. The axial adjustment device of claim 3, wherein the adjustment portion has a slot, and the adjustment ring has a protrusion, the protrusion engaging with the slot.
5. Axial adjustment device according to claim 4, characterized in that the adjusting ring is provided with an identification symbol for identifying the position where the second locking part coincides with the first locking part.
6. The axial adjustment device of claim 1, wherein the adjustment portion is provided with a flange inside the outer end opening, the flange being adapted to abut against the end of the shaft.
7. The axial adjustment device of claim 2, wherein the number of the first locking portions is N, the number of the second locking portions is M, the least common multiple of N and M is P, and the greatest common divisor is Q, and the adjustment portion rotates by a division angle
The number of coincidence of the second locking portion and the first locking portion is Q.
8. The axial adjustment device of claim 7, wherein the internal thread has a lead of L, and the adjustment portion moves axially a distance when rotated by a division angle a
9. Axial adjustment device according to claim 8, characterized in that N-16, M-18 and L-1.5 mm.
10. An electric machine, comprising;
a housing provided with a stator;
a rotor disposed coaxially with the stator, wherein,
at least one axial adjustment device according to any of claims 1-9 is provided between the rotor and the housing for adjusting the position of the rotor in the axial direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010723219.XA CN113972787A (en) | 2020-07-24 | 2020-07-24 | Axial adjusting device and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010723219.XA CN113972787A (en) | 2020-07-24 | 2020-07-24 | Axial adjusting device and motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113972787A true CN113972787A (en) | 2022-01-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010723219.XA Pending CN113972787A (en) | 2020-07-24 | 2020-07-24 | Axial adjusting device and motor |
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| CN (1) | CN113972787A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB799382A (en) * | 1955-07-01 | 1958-08-06 | Bendix Aviat Corp | Rotatable inductive electro-mechanical apparatus |
| EP0622886A1 (en) * | 1993-04-30 | 1994-11-02 | Siemens Aktiengesellschaft | Motor, in particular electric motor, with an adjustable axial play between the rotor and the stator |
| CN103949682A (en) * | 2014-05-05 | 2014-07-30 | 许昌学院 | Electric adjustable lathe spindle chuck |
| CN105114454A (en) * | 2015-10-09 | 2015-12-02 | 河北工业大学 | Anti-backlash rolling bearing device for battery pole piece rolling mill |
| JP2016005307A (en) * | 2014-06-13 | 2016-01-12 | 株式会社オティックス | Rotary electric machine rotor |
| CN205489965U (en) * | 2016-01-12 | 2016-08-17 | 马小安 | Adjusting mechanism |
| US20170098990A1 (en) * | 2014-05-21 | 2017-04-06 | Jiangsu Magnet Valley Technologies Co., Ltd. | Self-alignment Protection Device for Permanent-magnet Coupling |
| CN110653736A (en) * | 2019-08-30 | 2020-01-07 | 中国航发动力股份有限公司 | Rotary rotor and stator accurate positioning device and method for bearing large axial load |
-
2020
- 2020-07-24 CN CN202010723219.XA patent/CN113972787A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB799382A (en) * | 1955-07-01 | 1958-08-06 | Bendix Aviat Corp | Rotatable inductive electro-mechanical apparatus |
| EP0622886A1 (en) * | 1993-04-30 | 1994-11-02 | Siemens Aktiengesellschaft | Motor, in particular electric motor, with an adjustable axial play between the rotor and the stator |
| CN103949682A (en) * | 2014-05-05 | 2014-07-30 | 许昌学院 | Electric adjustable lathe spindle chuck |
| US20170098990A1 (en) * | 2014-05-21 | 2017-04-06 | Jiangsu Magnet Valley Technologies Co., Ltd. | Self-alignment Protection Device for Permanent-magnet Coupling |
| JP2016005307A (en) * | 2014-06-13 | 2016-01-12 | 株式会社オティックス | Rotary electric machine rotor |
| CN105114454A (en) * | 2015-10-09 | 2015-12-02 | 河北工业大学 | Anti-backlash rolling bearing device for battery pole piece rolling mill |
| CN205489965U (en) * | 2016-01-12 | 2016-08-17 | 马小安 | Adjusting mechanism |
| CN110653736A (en) * | 2019-08-30 | 2020-01-07 | 中国航发动力股份有限公司 | Rotary rotor and stator accurate positioning device and method for bearing large axial load |
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