CN102468719B - Stator and rotor fixing device of permanent magnet synchronous motor and motor assembling method - Google Patents
Stator and rotor fixing device of permanent magnet synchronous motor and motor assembling method Download PDFInfo
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- CN102468719B CN102468719B CN201010535268.7A CN201010535268A CN102468719B CN 102468719 B CN102468719 B CN 102468719B CN 201010535268 A CN201010535268 A CN 201010535268A CN 102468719 B CN102468719 B CN 102468719B
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- 230000001360 synchronised effect Effects 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 title claims abstract description 14
- 125000006850 spacer group Chemical group 0.000 claims description 10
- 238000007689 inspection Methods 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The stator and rotor fixing device of the permanent magnet synchronous motor and the motor assembling method of the invention position the stator by using the positioning pressing ring provided with the cutting surface matched with the shape of the section of the stator, further fix the stator and rotor structure and assemble the motor. The stator and rotor fixing device is convenient for assembling the stator and the rotor of the self-control permanent magnet synchronous motor or similar motors, and by means of the device, the mounting and fixing modes of the stator and the rotor of the self-control permanent magnet synchronous motor or similar motors are simple, and the device is very suitable for being used in machinery for repeatedly dismounting and mounting the same motor, and can be assembled by means of simple mechanical tightening and the like without a heating mode; even more so, the efficiency of the machine is improved since the stator is not subjected to radial compressive stresses.
Description
[technical field]
The present invention relates to a kind of mechanical fastening system, refer in particular to a kind of stator and rotor fixture of motor and the assembly method of this motor.
[background technology]
The built-in autocontrol permagnetic synchronous motor of existing spinning rollers compressor includes stators and rotators, the mounting means of these stator and rotor is general in the following way, refer to Fig. 1, the stator 20 of motor adopts and the mode of housing hot jacket is carried out: 1. heated shell 10, make housing 10 internal diameter when thermal deformation become large, 2. stator 20 makes its external diameter insert when housing 10 internal diameter becomes large in housing 10 internal diameter by means of frock; After housing 10 heat leaves, housing 10 internal diameter diminishes, and stator 20 external diameter and housing inner diameter form interference fit, and stator 20 is just stuck in housing 10.The mode that the rotor 30 of motor adopts axle to locate is carried out: 1. rotor 30 still adopts the mode of hot jacket to be fixed on the motor shaft 40 of motor use; 2. rotor 30 external diameter keeps certain axiality gap and difference in height by making rotor 30 and stator 20 internal diameter that fixes in housing 10 inside in advance by some frocks; Since then, spinning rollers compressor autocontrol permagnetic synchronous motor has assembled, and after powering on, motor can realize running.Existing this installation method step is various, complex process, can not be applicable to use in the machinery of repeated disassembled and assembled same motor, and is subject to radial compressive stress due to stator, and the efficiency of motor is affected reduction.
Therefore, provide a kind of simple to operation, repeated disassembled and assembled can be suitable for, can to improve the stator and rotor fixed form of electric efficiency real in necessary.
[summary of the invention]
The object of the present invention is to provide the stator and rotor fixture that a kind of efficiency simple to operate is high.
Another object of the present invention is to provide a kind of motor assembly method simple to operate.
For realizing the object of the invention, provide following technical scheme:
The stator and rotor fixture of permagnetic synchronous motor of the present invention utilizes location trim ring to be located by stator, this trim ring side, location is provided with the cutting plane matched with stator cross sectional shape, these stator two ends snap in two these location trim rings respectively, this motor shaft inserts in rotor, rotor inserts in stator, and rotor, stator, location trim ring load in housing.
It comprises base further, and base is provided with centre bore, is provided with bearing in centre bore, and this base Main Function is positioning motor axle, location trim ring and housing.In the bearing of the centre bore of this motor shaft one end inserted base, motor shaft is designed with ad hoc structure and ensures that motor shaft is located in the centre bore of base, this ad hoc structure can adopt the axle location structure of existing form; Base is provided with boss and coordinates to locate with location trim ring, and in addition, screw-driving is passed through in housing bottom face and base upper surface.
The outer wall of this location trim ring and the inwall size of housing suitable, make to locate the activity (just very small movement) that trim ring can not be very violent in radial directions, thus be convenient to assembling.
This motor shaft other end is provided with screw thread, by nut screwing clamping assembly structure, thus fixed rotor, make it arbitrarily can not move in circumference and radial direction.
It comprises upper cover further, and upper cover is tightened by screw and housing upper surface.And on cover and add screw further at inner ring, this screw through upper cover contact top location trim ring and compress this location trim ring, be finally used for compressing stator.
The present invention also provides a kind of motor assembly method, and it adopts stator and rotor fixture as above, comprises the steps:
(1) motor shaft is inserted in rotor, and by the bearing of the centre bore of motor shaft one end inserted base;
(2) a location trim ring is contained on the assembly of step (1), utilizes the boss of base to ensure the location of location trim ring;
(3) housing is contained in step (2) complete after assembly outside;
(4) location trim ring stator one end being snapped in step (2) is provided with on one end of cutting plane;
(5) one end that another location trim ring is provided with cutting plane is stuck on the stator other end;
(6) with screw, housing bottom face and base upper surface are tightened mutually;
(7) tighten by nut and motor shaft other end threaded engagement;
(8) with screw, upper cover and housing are tightened, and with screw screw in upper cover screwed hole in compress this another location trim ring.
Also comprise between step (3) and step (4): evenly place spacer shims at rotor surface, to ensure the radial clearance of rotor and stator within the specific limits, because the matching requirements stators and rotators of motor must ensure that certain axiality just can guarantee reliability and the performance of motor.
On the basis of the above, also comprise between step (6) and step (7): extract described spacer shims.Assembling is tightened again after extracting spacer shims.
Spacer shims finally can also be used to check the axiality of stator and rotor.
Contrast prior art, the present invention has the following advantages:
Stator and rotor fixture of the present invention is more convenient for the assembling of the stator and rotor of autocontrol permagnetic synchronous motor or similar motor, by means of this device, the installation of the rotor of autocontrol permagnetic synchronous motor or similar motor, fixed form not only become very simple, and use in the machinery being well suited for repeated disassembled and assembled same motor, and not by means of the mode of heating, just simple machinery the means such as to be tightened and just can be completed assembling; More even because stator is not by radial compression, the efficiency of motor can improve.
[accompanying drawing explanation]
Fig. 1 is existing stator and rotor assembly structure schematic diagram;
Fig. 2 is the structural representation of the motor after the present invention assembles;
Fig. 3 is the exploded view of stator and rotor fixture of the present invention;
Fig. 4 is cross sectional shape and the profile schematic diagram of stator;
Fig. 5 is the schematic diagram of the present invention with the location trim ring of the cutting plane suitable with stator cross sectional shape.
[embodiment]
The stator and rotor fixture of permagnetic synchronous motor of the present invention utilizes location trim ring by stator location and assembling stator and rotor, refer to Fig. 4 and Fig. 5, this trim ring side, location is provided with the cutting plane 15 matched with stator cross sectional shape, and its cutting line is consistent with stator exterior profile.
Refer to Fig. 2 and Fig. 3, the assembling process below by way of this motor describes the specific embodiment of this fixture and motor assembly method.
(1) motor shaft 4 is inserted in rotor 3, and by the bearing 11 of the centre bore of motor shaft 4 one end inserted base 12;
(2) be contained on the assembly of step (1) by a location trim ring 7, utilize the boss 16 of base 12 to ensure the location of location trim ring 7, location trim ring 7 has one end of cutting plane upwards;
(3) housing 6 is contained in step (2) complete after assembly outside, the outer wall of this location trim ring 7 and the inwall size of housing 6 suitable, make to locate the activity (just very small movement) that trim ring can not be very violent in radial directions;
(4) spacer shims is placed, to ensure the radial clearance of rotor and stator within the specific limits at rotor 3 surface uniform;
(5) the location trim ring 7 stator 9 one end being snapped in step (2) is provided with on one end of cutting plane;
(6) one end that another location trim ring 8 is provided with cutting plane is stuck on stator 9 other end;
(7) with screw 17, housing 6 bottom face and base 12 upper surface are tightened mutually;
(8) spacer shims loaded in (4) is extracted;
(9) tighten with motor shaft 4 other end threaded engagement with nut 1 and packing ring 2, thus fixed rotor 3, make it arbitrarily can not move in circumference and radial direction;
(10) with screw 13, upper cover 5 and housing 6 upper surface are tightened;
(11) in the screwed hole 18 arranged with the inner ring that screw 14 screws in upper cover 5, until screw head contact and compresses this another location trim ring 8, final compression stator 9;
(12) axiality of spacer shims inspection stator and rotor is used; If qualified, assemble complete, defective, readjust.
The location of the stators and rotators that period relates to relies on the particular design of a whole set of frock to ensure, clamping is then rely on screws clamp frock and then lock rotor.
The foregoing is only preferred embodiment of the present invention, protection scope of the present invention is not limited thereto, and anyly all belongs within scope based on the equivalent transformation in technical solution of the present invention.
Claims (8)
1. the stator and rotor fixture of a permagnetic synchronous motor, this motor comprises motor shaft, stator, rotor, it is characterized in that, it comprises housing, two location trim rings further, and this trim ring side, location is equipped with the cutting plane matched with stator cross sectional shape, and these stator two ends snap in this location trim ring respectively, the outer wall of this location trim ring and the inwall size of housing suitable, this motor shaft inserts in rotor, and rotor inserts in stator, and rotor, stator, location trim ring load in housing; It comprises base further, and in the bearing of the centre bore of this motor shaft one end inserted base, this motor shaft other end is provided with screw thread, by nut screwing clamping assembly structure; This base is provided with boss and coordinates to locate with location trim ring.
2. the stator and rotor fixture of permagnetic synchronous motor as claimed in claim 1, it is characterized in that, screw-driving is passed through in housing bottom face and base upper surface.
3. the stator and rotor fixture of permagnetic synchronous motor as claimed in claim 1, it is characterized in that, it comprises upper cover further, and upper cover is tightened by screw and housing upper surface.
4. the stator and rotor fixture of permagnetic synchronous motor as claimed in claim 1, is characterized in that, upper cover adds screw further, and this screw contacts the location trim ring on top through upper cover and compresses this location trim ring.
5. a motor assembly method, is characterized in that, it adopts the stator and rotor fixture as described in claim 1-4, comprises the steps:
(1) motor shaft is inserted in rotor, and by the centre bore of motor shaft one end inserted base;
(2) a location trim ring is contained on the assembly of step (1), utilizes the boss of base to ensure the location of location trim ring;
(3) housing is contained in step (2) complete after assembly outside;
(4) location trim ring stator one end being snapped in step (2) is provided with on one end of cutting plane;
(5) one end that another location trim ring is provided with cutting plane is stuck on the stator other end;
(6) with screw, housing bottom face and base upper surface are tightened mutually;
(7) tighten by nut and motor shaft other end threaded engagement;
(8) with screw, upper cover and housing are tightened, and with screw screw in upper cover screwed hole in compress this another location trim ring.
6. motor assembly method as claimed in claim 5, is characterized in that, also comprise: evenly place spacer shims at rotor surface between step (3) and step (4), to ensure the radial clearance of rotor and stator within the specific limits.
7. motor assembly method as claimed in claim 6, is characterized in that, also comprise: extract described spacer shims between step (6) and step (7).
8. motor assembly method as claimed in claim 7, is characterized in that, finally also comprise: the axiality using spacer shims inspection stator and rotor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010535268.7A CN102468719B (en) | 2010-11-05 | 2010-11-05 | Stator and rotor fixing device of permanent magnet synchronous motor and motor assembling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010535268.7A CN102468719B (en) | 2010-11-05 | 2010-11-05 | Stator and rotor fixing device of permanent magnet synchronous motor and motor assembling method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102468719A CN102468719A (en) | 2012-05-23 |
| CN102468719B true CN102468719B (en) | 2015-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010535268.7A Active CN102468719B (en) | 2010-11-05 | 2010-11-05 | Stator and rotor fixing device of permanent magnet synchronous motor and motor assembling method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102468719B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105866478A (en) * | 2016-05-23 | 2016-08-17 | 珠海格力节能环保制冷技术研究中心有限公司 | Motor debugging and mounting structure |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4564780A (en) * | 1983-03-14 | 1986-01-14 | Eastway Holdings Limited | Electrical machine having a quickly releasable stator |
| CN1893233A (en) * | 2006-06-14 | 2007-01-10 | 谢杨辉 | High-precision motor and its processing and assembling method |
| CN101075760A (en) * | 2007-06-21 | 2007-11-21 | 中国北车集团永济电机厂 | Vertical AC asynchronous topped driven motor |
| CN201877961U (en) * | 2010-11-05 | 2011-06-22 | 珠海格力电器股份有限公司 | Stator and rotor fixing device of permanent magnet synchronous motor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU915172A1 (en) * | 1980-03-12 | 1982-03-23 | Lavrukhin Vladimir | Electric machine stator |
-
2010
- 2010-11-05 CN CN201010535268.7A patent/CN102468719B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4564780A (en) * | 1983-03-14 | 1986-01-14 | Eastway Holdings Limited | Electrical machine having a quickly releasable stator |
| CN1893233A (en) * | 2006-06-14 | 2007-01-10 | 谢杨辉 | High-precision motor and its processing and assembling method |
| CN101075760A (en) * | 2007-06-21 | 2007-11-21 | 中国北车集团永济电机厂 | Vertical AC asynchronous topped driven motor |
| CN201877961U (en) * | 2010-11-05 | 2011-06-22 | 珠海格力电器股份有限公司 | Stator and rotor fixing device of permanent magnet synchronous motor |
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| Publication number | Publication date |
|---|---|
| CN102468719A (en) | 2012-05-23 |
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