CN105245065A - Assembly equipment for rotor and rotor assembly method - Google Patents
Assembly equipment for rotor and rotor assembly method Download PDFInfo
- Publication number
- CN105245065A CN105245065A CN201510824315.2A CN201510824315A CN105245065A CN 105245065 A CN105245065 A CN 105245065A CN 201510824315 A CN201510824315 A CN 201510824315A CN 105245065 A CN105245065 A CN 105245065A
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- Prior art keywords
- sheath
- rotor
- axle
- magnet steel
- assembly equipment
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- 238000000034 method Methods 0.000 title claims abstract description 35
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 54
- 239000010959 steel Substances 0.000 claims abstract description 54
- 238000009413 insulation Methods 0.000 claims description 29
- 230000001737 promoting effect Effects 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 abstract description 12
- 238000007600 charging Methods 0.000 abstract description 9
- 230000005347 demagnetization Effects 0.000 abstract description 4
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000001816 cooling Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000036316 preload Effects 0.000 description 2
- 238000010583 slow cooling Methods 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Landscapes
- Manufacture Of Motors, Generators (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The invention relates to assembly equipment for a rotor and a rotor assembly method. According to the assembly equipment for the rotor, the rotor comprises a sheath (5), and magnetic steel (2) can be mounted in the sheath (5); the assembly equipment for the rotor comprises a heat insulating lantern ring (11); the periphery of the sheath (5) is sleeved with the heat insulating lantern ring (11) so that heat of the sheath (5) can be preserved in the process of heating the sheath (5) before mounting the magnetic steel (2) in the sheath (5). Through arrangement of the heat insulating lantern ring used for preserving heat of the heated sheath, the maximum heating temperature of the sheath can be maintained, the hot charging time of the sheath can be prolonged, quick chilling shrinkage of the sheath can be avoided, the risk of damaging the magnetic steel due to compression is lowered, and the problem that a large axial clearance exists between parts and influences dynamic balancing of the rotor is avoided; with respect to the same hot charging time, the initial heating temperature of the sheath can be lowered, superhigh temperature operation is avoided, and then demagnetization of the magnetic steel due to a high temperature is avoided; the success rate of assembly is improved, and the rejection rate is lowered.
Description
Technical field
The present invention relates to rotor mounting technology field, particularly relate to a kind of rotor assembly equipment and rotor assembling method.
Background technology
The machine run up is very high to the mechanical property requirements of rotor.At present, a kind of high speed machines rotor is had in prior art, its structure as shown in Figure 1 and Figure 2, this rotor 100 is the use of high-speed brushless direct-current motor, to drive a centrifugal compressor, be made up of magnet steel 101, axle sleeve 102, non magnetic joint 103, distance piece 104, magnetic joint 105 and magnetic bearing 106.During assembling, heater 107 is heated to 400 DEG C ~ 480 DEG C to axle sleeve 102, then shake instrument 108 is utilized to insert magnet steel 101, non magnetic joint 103, distance piece 104 and magnetic joint 105, cool rapidly at axle sleeve 102, so that axle sleeve 102 is when the external surface peripheral of joint 103,105 and magnet steel 101 shrinks, axial force up to 600Mpa is put on joint 103 and 105, be subject to axial preload force to make described distance piece 104 and magnet steel 101 and be in compressive state.
There is following risk in above-mentioned assembly structure:
, there is magnet steel and compressed bad risk in 1, axle sleeve quick shrinkage after being heated to high temperature;
, there is axial fit-up gap between part, when rotor high-speed runs, affect rotor dynamic balancing in 2, axle sleeve quick shrinkage after being heated to high temperature;
3, during axle sleeve high temperature hot charging, high temperature can cause magnet steel to demagnetize.
4, the axial load of pre-add may damage magnet steel by pressure;
Summary of the invention
The object of the invention is to propose a kind of rotor assembly equipment and rotor assembling method, reduce the risk of damaging magnet steel by pressure existing when prior art rotor assembles as much as possible.
For achieving the above object, the invention provides a kind of rotor assembly equipment, rotor comprises sheath, with mounting magnetic steel in the inner, this assembly equipment comprises the insulation collar, for being set in the periphery of described sheath, to be heated to load in the process of described magnet steel at described sheath, described sheath is incubated.
Further, above-mentioned assembly equipment also comprises hold-down bolt, and described hold-down bolt is pressed against the outer wall of described sheath for passing radially through the described insulation collar, keep described sheath with radial direction.
Further, above-mentioned assembly equipment also comprises adjustment bolt, and described adjustment bolts assemblies, in the end of the described insulation collar, assembles height by promoting described sheath to adjust the axis of described sheath in the described insulation collar.
Further, above-mentioned assembly equipment also comprises briquetting, and described rotor comprises the armature spindle be assemblied in described sheath, and described briquetting is used for applying axial force to described armature spindle in the process that described armature spindle is installed in described sheath.
For achieving the above object, the invention provides a kind of rotor assembling method based on above-mentioned rotor assembly equipment, comprise the following steps successively:
First axle, the second axle and the 3rd axle are provided;
Described first axle is loaded in described 3rd axle, more described magnet steel is inserted on the first axle;
Heat described sheath and the described insulation collar, then described sheath is set on described magnet steel;
Described second axle is inserted described sheath.
Further, above-mentioned assembly method also comprises the following steps successively:
The positioning seat that magnetizes is provided;
The described positioning seat that magnetizes is assemblied on described 3rd axle, to magnetize to described magnet steel.
Further, above-mentioned assembly method also comprises the following steps successively:
There is provided positioning and guiding block and at least two location guides, the end of the positioning seat that magnetizes described in wherein said positioning and guiding block is positioned at, described at least two location guides are arranged on described positioning and guiding block, and the end opens of described 3rd axle has at least two apertures;
Described at least two location guides are inserted corresponding described aperture, to position described 3rd axle and described assembling of magnetizing between positioning seat.
Further, above-mentioned assembly method also comprises:
The end face of described magnet steel arranges the mark that magnetizes;
When assembling described 3rd axle, the direction of the mark that magnetizes described in making becomes parallel or vertical with the plane that the axis in described at least two apertures is formed.
Further, above-mentioned assembly method also comprises:
There is provided peephole, described peephole is arranged on the sidewall of the described insulation collar;
Described peephole is utilized to observe the rigging position of described sheath.
Based on technique scheme, the present invention is by arranging the insulation collar, sheath after heating is incubated, the maximum heating temperature of sheath can be maintained, what extend sheath can the hot charging time, avoids the quick shrinkage of sheath, and then reduce magnet steel and compressed bad risk, avoid there is larger end play between part simultaneously, affect rotor dynamic balancing; For the identical hot charging time, the initial heating temperature of sheath can be reduced, avoid superhigh temperature to operate, and then avoid high temperature to cause the generation of magnet steel demagnetization phenomenon; Improve assembly yield, rate of reducing the number of rejects and seconds.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of prior art high speed machine rotor.
Fig. 2 is the assembling schematic diagram of prior art high speed machine rotor.
Fig. 3 is the generalized section of a rotor assembly equipment of the present invention embodiment.
Fig. 4 is the front view of a rotor assembly equipment of the present invention embodiment.
Name corresponding to number in the figure is called:
100-rotor, 101-magnet steel, 102-axle sleeve, the non magnetic joint of 103-, 104-distance piece, 105-magnetic joint, 106-magnetic bearing, 107-heater, 108-shake instrument;
1-second axle, 2-magnet steel, 3-first axle, 4-the 3rd axle, 5-sheath, 6-location guide, 7-positioning and guiding block, 8-briquetting, 9-adjusts bolt, 10-hold-down bolt, and 11-is incubated the collar, and 12-magnetizes positioning seat.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in embodiment is clearly and completely described.Obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.Based on embodiments of the invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
In describing the invention, it will be appreciated that, term " " center ", " transverse direction ", " longitudinal direction ", " front ", " afterwards ", " left side ", " right side ", " on ", D score, " vertically ", " level ", " top ", " end ", " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limiting the scope of the invention can not be interpreted as.
As shown in Figure 3 and Figure 4, generalized section and the front view of a rotor assembly equipment of the present invention embodiment is respectively.In this rotor assembly equipment, rotor comprises sheath 5, uses mounting magnetic steel 2 in the inner, and rotor assembly equipment comprises the insulation collar 11, for being set in the periphery of described sheath 5, to be heated to load in the process of described magnet steel 2 at described sheath 5, described sheath 5 is incubated.
By arranging the insulation collar, sheath after heating is incubated, the maximum heating temperature of sheath can be maintained, what extend sheath can the hot charging time, avoid the quick shrinkage of sheath, and then reduction magnet steel is compressed bad risk, avoids there is larger end play between part, affects rotor dynamic balancing simultaneously; For the identical hot charging time, the initial heating temperature of sheath can be reduced, avoid superhigh temperature to operate, and then avoid high temperature to cause the generation of magnet steel demagnetization phenomenon; Improve assembly yield, rate of reducing the number of rejects and seconds.
Wherein, sheath 5 can adopt the higher alloy material of tensile strength to make.The thickness of sheath 5 can be selected according to actual conditions, can be such as 1mm ~ 5mm.The insulation collar 11 can adopt No. 45 steel.
In order to be fixed the assembling of sheath 5 with the insulation collar 11, rotor assembly equipment can also comprise hold-down bolt 10, described hold-down bolt 10 is pressed against the outer wall of described sheath 5 for passing radially through the described insulation collar 11, keep described sheath 5 with radial direction.That is, first sheath 5 can be loaded the insulation collar 11, and then both be fixed with hold-down bolt 10, hold-down bolt 10 can be located at the side of the insulation collar 11.
In addition, rotor assembly equipment can also comprise adjustment bolt 9, described adjustment bolt 9 is assemblied in the end of the described insulation collar 11, by promoting described sheath 5 to adjust the axis assembling height of described sheath 5 in the described insulation collar 11, can unclamp adjustment bolt 9 after having assembled.
Axis for rotor is assembled, rotor assembly equipment can also comprise briquetting 8, described rotor comprises the armature spindle be assemblied in described sheath 5, and described briquetting 8 applies axial force for being installed at described armature spindle in the process in described sheath 5 to described armature spindle.Briquetting 8 acts on the axial direction of whole rotor axial system by self gravitation, can eliminate the end play between each part of causing due to the shrinkage of sheath 5.
Based on above-mentioned rotor assembly equipment, the present invention also proposes a kind of rotor assembling method, comprises the following steps successively:
Described sheath 5 and the described insulation collar 11 be enclosed within sheath 5 are heated;
Described magnet steel 2 is overlapped and loads in described sheath 5;
By the described sheath 5 that is assembled together and described magnet steel 2 air cooling to room temperature.
In rotor assembly equipment, the functional description of each parts is equally applicable to rotor assembling method, repeats no more here.
Further, the assembling of armature spindle can comprise the following steps successively:
First axle 3, second axle 1 and the 3rd axle 4 are provided; First axle 3 is loaded in the 3rd axle 4, then magnet steel 2 is inserted on the first axle 3;
Heating jacket 5 and the insulation collar 11, be then set on magnet steel 2 by sheath 5; And
Second axle 1 is inserted sheath 5.
Wherein, the length of the first axle 3 is set to the length being greater than magnet steel 2; described magnet steel 2 is exposed to make the first end of described first axle 3; like this; when needing to apply axial force to the part in sheath 5; external force can be made to directly act on the first axle 3, instead of act on magnet steel 2, be conducive to protection magnet steel 2 and be not damaged.
In addition, the second axle 1 forms armature spindle with the 3rd axle 4 together with the first axle 3, also constitutes the magnetic circuit that magnetizes of magnet steel 2.In assembling process, magnet steel 2 does not magnetize.After having assembled, can magnetize to magnet steel 2.
In order to realize magnetizing to magnet steel 2, rotor assembling method can also comprise the following steps successively:
The positioning seat 12 that magnetizes is provided;
The described positioning seat 12 that magnetizes is assemblied on described 3rd axle 4, to magnetize to described magnet steel 2.
Owing to possessing directivity to magnetizing of magnet steel 2, need be corresponding with the rigging position of the positioning seat 12 that magnetizes by the magnetizing direction of magnet steel 2, ensure the station that magnetizes of final assembling rotor, follow-up work of magnetizing just can be made successfully to carry out.In order to ensure each Assembly of the parts complete after the correctness of magnetizing direction of magnet steel 2, corresponding positioner can be set, ensure the correct installation of the 3rd axle 4 be directly connected with the positioning seat 12 that magnetizes.In one embodiment, rotor assembling method can also comprise the following steps successively:
Positioning and guiding block 7 and at least two location guides 6 are provided, to magnetize described in wherein said positioning and guiding block 7 is positioned at the end of positioning seat 12, described at least two location guides 6 are arranged on described positioning and guiding block 7, and the end opens of described 3rd axle 4 has at least two apertures;
Described at least two location guides 6 are inserted corresponding described aperture, to position described 3rd axle 4 and described assembling of magnetizing between positioning seat 12.
In this embodiment, during assembling, only location guide 6 need be inserted corresponding aperture and can ensure the 3rd axle 4 and the correctness of the assembly direction between positioning seat 12 of magnetizing.
Further, rotor assembling method also comprises:
The end face of described magnet steel 2 arranges the mark that magnetizes;
When assembling described 3rd axle 4, the direction of the mark that magnetizes described in making becomes parallel or vertical with the plane that the axis in described at least two apertures is formed.So namely ensure that the correctness of magnet steel 2 magnetizing direction easily.
In the assembling process of sheath 5 with the insulation collar 11, in order to ensure sheath 5 and the assembling height being incubated the collar 11, rotor assembling method can also comprise:
There is provided peephole, described peephole is arranged on the sidewall of the described insulation collar 11;
Described peephole is utilized to observe the rigging position of described sheath 5.
Wherein, peephole can be waist-shaped hole.
Below in conjunction with Fig. 3 and Fig. 4, the operating process of rotor assembly equipment of the present invention and a rotor assembling method embodiment is described:
First sheath 5 is contained in the insulation collar 11 by hold-down bolt 10, and adjust assembling height by peephole, after the top of the insulation collar 11 screws in adjustment bolt 9, form the first load module, heater is put in first load module together heat, the heating-up temperature of the first load module can be determined according to the assembling magnitude of interference.
During heating, the first axle 3, magnet steel 2, the 3rd axle 4, location guide 6, positioning and guiding block 7 and the positioning seat 12 that magnetizes are assembled together according to the position shown in Fig. 3, form the second load module.
To be heated to temperature required and after keeping a period of time, take out the first load module, load fast in the second load module, and load the second axle 1 rapidly, and press-fit the second axle 1 with briquetting 8, form whole load module, the most whole load module air cooling is to room temperature, completes assembly work.When whole load module air cooling is to room temperature, any cooling measure can not be taked to whole load module, be heated inequality and the stress distribution that causes is uneven to avoid rotor.
By the explanation of the multiple embodiments to rotor assembly equipment of the present invention and rotor assembling method, can seeing: by arranging the insulation collar, making the sheath of connection three sections of axles Slow cooling when hot charging, the end play existed when eliminating three sections of axle hot chargings; There is not magnet steel owing to being subject to large preload by the risk of damaging by pressure; Sheath Slow cooling, can also reduce initial heating temperature simultaneously, eliminates the risk of magnet steel by high temperature demagnetization; Improve the dynamic performance of assembling rotor; This assembling device is simple to operate, and assembly yield is high.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit; Although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the field are to be understood that: still can modify to the specific embodiment of the present invention or carry out equivalent replacement to portion of techniques feature; And not departing from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technical scheme scope of request of the present invention protection.
Claims (9)
1. a rotor assembly equipment, rotor comprises sheath (5), with mounting magnetic steel (2) in the inner, it is characterized in that, comprise the insulation collar (11), for being set in the periphery of described sheath (5), to be heated to load in the process of described magnet steel (2) at described sheath (5), described sheath (5) is incubated.
2. rotor assembly equipment according to claim 1, it is characterized in that, also comprise hold-down bolt (10), described hold-down bolt (10) is pressed against the outer wall of described sheath (5) for passing radially through the described insulation collar (11), keep described sheath (5) with radial direction.
3. rotor assembly equipment according to claim 1, it is characterized in that, also comprise adjustment bolt (9), described adjustment bolt (9) is assemblied in the end of the described insulation collar (11), by promoting described sheath (5) to adjust the axis assembling height of described sheath (5) in the described insulation collar (11).
4. rotor assembly equipment according to claim 1, it is characterized in that, also comprise briquetting (8), described rotor comprises the armature spindle be assemblied in described sheath (5), and described briquetting (8) applies axial force for being installed at described armature spindle in the process in described sheath (5) to described armature spindle.
5., based on a rotor assembling method for the rotor assembly equipment as described in any one of Claims 1 to 4, it is characterized in that, comprise the following steps successively:
First axle (3), the second axle (1) and the 3rd axle (4) are provided;
Described first axle (3) is loaded in described 3rd axle (4), more described magnet steel (2) is inserted on the first axle (3);
Heat described sheath (5) and the described insulation collar (11), then described sheath (5) is set on described magnet steel (2); And
Described second axle (1) is inserted described sheath (5).
6. rotor assembling method according to claim 5, is characterized in that, also comprises the following steps successively:
The positioning seat that magnetizes (12) is provided;
The described positioning seat that magnetizes (12) is assemblied on described 3rd axle (4), to magnetize to described magnet steel (2).
7. rotor assembling method according to claim 6, is characterized in that, also comprises the following steps successively:
Positioning and guiding block (7) and at least two location guides (6) are provided, to magnetize described in wherein said positioning and guiding block (7) is positioned at the end of positioning seat (12), described at least two location guides (6) are arranged on described positioning and guiding block (7), and the end opens of described 3rd axle (4) has at least two apertures;
Described at least two location guides (6) are inserted corresponding described aperture, to position the assembling between described 3rd axle (4) and the described positioning seat that magnetizes (12).
8. rotor assembling method according to claim 7, is characterized in that, also comprises:
The end face of described magnet steel (2) arranges the mark that magnetizes;
When assembling described 3rd axle (4), the direction of the mark that magnetizes described in making becomes parallel or vertical with the plane that the axis in described at least two apertures is formed.
9. rotor assembling method according to claim 5, is characterized in that, also comprises:
There is provided peephole, described peephole is arranged on the sidewall of the described insulation collar (11);
Described peephole is utilized to observe the rigging position of described sheath (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510824315.2A CN105245065B (en) | 2015-11-24 | 2015-11-24 | Rotor assembly equipment and rotor assembling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510824315.2A CN105245065B (en) | 2015-11-24 | 2015-11-24 | Rotor assembly equipment and rotor assembling method |
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| Publication Number | Publication Date |
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| CN105245065A true CN105245065A (en) | 2016-01-13 |
| CN105245065B CN105245065B (en) | 2018-07-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510824315.2A Active CN105245065B (en) | 2015-11-24 | 2015-11-24 | Rotor assembly equipment and rotor assembling method |
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| Country | Link |
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| CN (1) | CN105245065B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107591977A (en) * | 2017-10-30 | 2018-01-16 | 南京磁谷科技有限公司 | A kind of rotor mounting tool for magneto |
| CN109412295A (en) * | 2018-11-13 | 2019-03-01 | 淮海机电科技股份有限公司 | A kind of electric vehicle permanent magnet synchronous motor that stability is strong |
| CN110247494A (en) * | 2019-07-09 | 2019-09-17 | 中国航发哈尔滨东安发动机有限公司 | A kind of high speed permanent magnet motor rotor with center pull rod |
| CN110401280A (en) * | 2019-07-09 | 2019-11-01 | 中国航发哈尔滨东安发动机有限公司 | A kind of high speed permanent magnet motor rotor with solid magnet steel |
| CN110890815A (en) * | 2019-11-27 | 2020-03-17 | 湖南崇德工业科技有限公司 | Assembling device and assembling method for permanent magnet rotor hot jacket protective sleeve |
| WO2021128633A1 (en) * | 2019-12-27 | 2021-07-01 | 南京磁谷科技股份有限公司 | Positionable assembly tool for rotor carbon fiber sheath |
| CN113541358A (en) * | 2021-07-26 | 2021-10-22 | 珠海格力电器股份有限公司 | Motor rotor structure and permanent magnet motor |
| CN114362457A (en) * | 2021-12-30 | 2022-04-15 | 航天科工智能机器人有限责任公司 | Rotor sheath assembling device and method |
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| CN107591977A (en) * | 2017-10-30 | 2018-01-16 | 南京磁谷科技有限公司 | A kind of rotor mounting tool for magneto |
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| CN109412295A (en) * | 2018-11-13 | 2019-03-01 | 淮海机电科技股份有限公司 | A kind of electric vehicle permanent magnet synchronous motor that stability is strong |
| CN110247494A (en) * | 2019-07-09 | 2019-09-17 | 中国航发哈尔滨东安发动机有限公司 | A kind of high speed permanent magnet motor rotor with center pull rod |
| CN110401280A (en) * | 2019-07-09 | 2019-11-01 | 中国航发哈尔滨东安发动机有限公司 | A kind of high speed permanent magnet motor rotor with solid magnet steel |
| CN110890815A (en) * | 2019-11-27 | 2020-03-17 | 湖南崇德工业科技有限公司 | Assembling device and assembling method for permanent magnet rotor hot jacket protective sleeve |
| WO2021128633A1 (en) * | 2019-12-27 | 2021-07-01 | 南京磁谷科技股份有限公司 | Positionable assembly tool for rotor carbon fiber sheath |
| CN113541358A (en) * | 2021-07-26 | 2021-10-22 | 珠海格力电器股份有限公司 | Motor rotor structure and permanent magnet motor |
| CN114362457A (en) * | 2021-12-30 | 2022-04-15 | 航天科工智能机器人有限责任公司 | Rotor sheath assembling device and method |
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| Publication number | Publication date |
|---|---|
| CN105245065B (en) | 2018-07-24 |
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