CN204858778U - AC motor rotor and AC motor who uses thereof - Google Patents
AC motor rotor and AC motor who uses thereof Download PDFInfo
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- CN204858778U CN204858778U CN201520541684.6U CN201520541684U CN204858778U CN 204858778 U CN204858778 U CN 204858778U CN 201520541684 U CN201520541684 U CN 201520541684U CN 204858778 U CN204858778 U CN 204858778U
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- outer rim
- punching
- rotor core
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Abstract
The utility model discloses a AC motor rotor and AC motor who uses thereof, wherein the rotor includes rotor core and casting, wherein casting is including lieing in the last end links of rotor core both ends off -plate reason respectively and passing and a plurality of busbars of linking together the both ends ring from the rotor core outer fringe, at rotor core intermediate formation cavity, the casting piece still including being located the apron on end links, the rotor core terminal surface, be provided with the center pin and be provided with a plurality of strengthening ribs on the apron in the centre of apron, the strengthening rib links together center pin and end links, its simple structure, the cost is lower.
Description
Technical field:
The utility model relates to the alternating current machine of a kind of AC motor rotor and application thereof, belongs to technical field of motors.
Background technology:
As shown in Figure 1, the rotor punching A that existing AC motor rotor uses, its structure is full circle, offer axis hole A0 therebetween for installing rotating shaft, its outer rim offers some rotor A1, some rotor punching A or some lightening hole A2 for loss of weight can be offered between axis hole A0 and rotor A1, rotor B as shown in Figure 2 is just formed through cast aluminium or cast copper after some such rotor punching A are stacked together, but rotor material expends seriously like this, and need through rotating shaft outputting power outward, cost is relatively high, alternating current machine performance is relatively poor.
Summary of the invention:
First object of the present utility model is to provide a kind of AC motor rotor, and its structure is simple, and cost is lower.
Second object of the present utility model is to provide a kind of alternating current machine, and its structure is simple, and performance gets a promotion.
The purpose of this utility model is achieved by following technical proposals.
A kind of AC motor rotor, comprise rotor core and cast, wherein cast comprise lay respectively at end ring in rotor core both ends of the surface outer rim and from rotor core outer rim through and some buss that two end ring are linked together, cavity is formed in the middle of rotor core, described cast also comprises the cover plate be positioned on end ring, rotor core end face, the centre of cover plate is provided with central shaft and is on the cover board provided with some reinforcements, reinforcement links together central shaft and end ring.
Above-mentioned rotor core comprises some the first rotor punchings stacked together and is arranged on some second rotor punchings at the first rotor punching two ends stacked together respectively, wherein the first rotor punching comprises the ring-shaped yoke portion of hollow and the some rotor be opened in ring-shaped yoke portion outer rim, cavity is formed therebetween after some the first rotor punchings are stacked together, the punching body that second rotor punching comprises full circle and the some rotor be opened in punching body outer rim, rotor in second rotor punching outer rim is communicated with the rotor one_to_one corresponding in the first rotor punching outer rim, described bus passes from the rotor be communicated with, second rotor punching is installed with cavity closed at both ends at the two ends of described some the first rotor punchings.
Above-mentionedly outside the end of central shaft, be set with steel bushing, outside steel bushing, be set with bearing.
The above-mentioned direction from central shaft toward end ring, the height of reinforcement reduces gradually.
The height of above-mentioned reinforcement outer rim is greater than the height of end ring.
Above-mentioned cast is aluminum casting.
A kind of alternating current machine, comprises AC motor rotor as described above.
The utility model compared with prior art, has following effect:
1) in the middle of rotor core, cavity is formed, described cast also comprises and is positioned at end ring, cover plate on rotor core end face, the centre of cover plate is provided with central shaft and is on the cover board provided with some reinforcements, reinforcement links together central shaft and end ring, the technical program is arranged on rotor bearing inside alternating current machine by the central shaft of cast molding, and give up the rotating shaft used in existing AC motor rotor, in the material cost of alternating current machine, 5-15% is not accounted for not etc. according to the different rotating shaft of material and difficulty of processing, the technical program can save the cost payout in rotating shaft, this is quite favourable message for operator,
2) wherein the first rotor punching comprises the ring-shaped yoke portion of hollow and the some rotor be opened in ring-shaped yoke portion outer rim, cavity is formed therebetween after some the first rotor punchings are stacked together, the punching body that second rotor punching comprises full circle and the some rotor be opened in punching body outer rim, rotor in second rotor punching outer rim is communicated with the rotor one_to_one corresponding in the first rotor punching outer rim, second rotor punching is installed with cavity closed at both ends at the two ends of described some the first rotor punchings, briefly, exactly the center of existing AC motor rotor is emptied, in the technical program, the silicon steel sheet quality that rotor core uses as calculated can be reduced beyond 40%, add reduced rotating shaft quality, in the technical program, the more existing scheme quality of AC motor rotor can be reduced beyond 50%, transport at alternating current machine like this, peddle in process and all can have obvious competitive advantage, and because the quality of AC motor rotor reduces, therefore the startup of AC motor rotor and acceleration performance will become more excellent,
3) outside the end of central shaft, steel bushing is set with, bearing is set with outside steel bushing, its structure is simple, can be processed the cylindrical of rotor core by stationary steel bushing, ensure its machining accuracy, and bearing is sleeved on outside central shaft by steel bushing, easier for installation, and installation accuracy is guaranteed;
4) from central shaft toward the direction of end ring, the height of reinforcement reduces gradually, and the height of reinforcement outer rim is greater than the height of end ring, and its structure is simple, effectively ensures the structural strength of central shaft, makes it more stable, reliable at operation.
Accompanying drawing illustrates:
Fig. 1 is the structure chart of existing rotor punching;
Fig. 2 is the stereogram of existing AC motor rotor;
Fig. 3 is the stereogram of embodiment rotor iron core;
Fig. 4 is the explosive view of embodiment rotor iron core;
Fig. 5 is the stereogram of AC motor rotor in embodiment;
Fig. 6 is the vertical view of AC motor rotor in embodiment;
Fig. 7 is A-A line cutaway view in Fig. 6.
Embodiment:
Also by reference to the accompanying drawings the utility model is described in further detail below by specific embodiment.
Embodiment one: as Fig. 3, Fig. 4, Fig. 5, shown in Fig. 6 and Fig. 7, the present embodiment is a kind of AC motor rotor, comprise rotor core 1 and cast 2, wherein said rotor core 1 comprises some the first rotor punchings 11 and some second rotor punchings 12, the ring-shaped yoke portion 111 that the first rotor punching 11 comprises hollow and the some rotor 100 be opened in ring-shaped yoke portion 111 outer rim, the punching body 121 that second rotor punching 12 comprises full circle and the some rotor 100 be opened in punching body 121 outer rim, cavity 10 is formed therebetween after some the first rotor punchings 11 are stacked together, then some second rotor punchings 12 are arranged on respectively the two ends of some the first rotor punchings 11 stacked together, the punching body 121 of full circle is the closed at both ends of cavity 10, a cavity 10 closed is formed with this, and the rotor 100 in the second rotor punching 12 outer rim is communicated with rotor 100 one_to_one corresponding in the first rotor punching 11 outer rim, so far, complete the making of rotor core 1.
Then the rotor core 1 manufactured is put into mould to cast, the metallic aluminium under high temperature fused state forms cast 2 after cooling.Cast 2 comprises the end ring 21 laid respectively in rotor core 1 both ends of the surface outer rim, passes and some buss 22, the cover plate 23 be positioned at end ring 21, rotor core 1 end face that two end ring 21 are linked together from the coconnected rotor of rotor core 1 outer rim 100, the centre of cover plate 23 is provided with central shaft 24 and on cover plate 23, is provided with some reinforcements 25, reinforcement 25 links together central shaft 24 and end ring 21.
From central shaft 24 toward the direction of end ring 21, the height of reinforcement 25 reduces gradually, and the height of reinforcement 25 outer rim is greater than the height of end ring 21.
Outside the end of central shaft 24, be set with steel bushing 3, outside steel bushing 3, be set with bearing 4.Steel bushing 3 can be sleeved on outside the end of central shaft 24 by the mode of riveting or hot jacket.If bearing 4 adopts is ball bearing, ball bearing can by press or the mode of hot jacket is sleeved on the outside of steel bushing 3.And if bearing 4 employing is oiliness bearing, just above-mentioned technique can be cancelled.
Add man-hour with locomotive, first rotor core is positioned, steel bushing is processed, then steel bushing is positioned, rotor core outer rim is processed.
Embodiment two: the present embodiment is a kind of alternating current machine, comprise rotor, stator, casing and end cap, stator and casing are installed together and are nested in outside rotor, end cap is arranged on the end of casing, its rotor comprises rotor core 1 and cast 2, wherein cast 2 comprise lay respectively at end ring 21 in rotor core 1 both ends of the surface outer rim and from rotor core 1 outer rim through and some buss 22 that two end ring 21 are linked together, a cavity 10 closed is formed in the middle of rotor core 1, described cast 2 also comprises and is positioned at end ring 21, cover plate 23 on rotor core 1 end face, the centre of cover plate 23 is provided with central shaft 24 and on cover plate 23, is provided with some reinforcements 25, reinforcement 25 links together central shaft 24 and end ring 21, rotor is arranged on by central shaft 24 supporting at its two ends and is positioned on the bearing of end cap.
Above embodiment is better embodiment of the present invention; but embodiments of the present invention are not limited thereto; other are any do not deviate from Spirit Essence of the present invention and principle under do change, modification, substitute, combine, simplify; be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (7)
1. an AC motor rotor, comprise rotor core (1) and cast (2), wherein cast (2) comprise lay respectively at end ring (21) in rotor core (1) both ends of the surface outer rim and from rotor core (1) outer rim through and some buss (22) that two end ring (21) are linked together, it is characterized in that: in the middle of rotor core (1), form cavity (10), described cast (2) also comprises and is positioned at end ring (21), cover plate (23) on rotor core (1) end face, the centre of cover plate (23) is provided with central shaft (24) and is provided with some reinforcements (25) on cover plate (23), reinforcement (25) links together central shaft (24) and end ring (21).
2. a kind of AC motor rotor according to claim 1, it is characterized in that: described rotor core (1) comprises some the first rotor punchings (11) stacked together and is arranged on some second rotor punchings (12) at the first rotor punching (11) two ends stacked together respectively, the ring-shaped yoke portion (111) that wherein the first rotor punching (11) comprises hollow and the some rotor (100) be opened in ring-shaped yoke portion (111) outer rim, cavity (10) is formed therebetween after some the first rotor punchings (11) are stacked together, the punching body (121) that second rotor punching (12) comprises full circle and the some rotor (100) be opened in punching body (121) outer rim, rotor (100) in second rotor punching (12) outer rim is communicated with rotor (100) one_to_one corresponding in the first rotor punching (11) outer rim, described bus (22) passes from the rotor (100) be communicated with, second rotor punching (12) is installed with cavity (10) closed at both ends at the two ends of described some the first rotor punchings (11).
3. a kind of AC motor rotor according to claim 1 and 2, is characterized in that: outside the end of central shaft (24), be set with steel bushing (3), is set with bearing (4) in steel bushing (3) outside.
4. a kind of AC motor rotor according to claim 1 and 2, is characterized in that: from central shaft (24) toward the direction of end ring (21), the height of reinforcement (25) reduces gradually.
5. a kind of AC motor rotor according to claim 4, is characterized in that: the height of reinforcement (25) outer rim is greater than the height of end ring (21).
6. a kind of AC motor rotor according to claim 1 and 2, is characterized in that: described cast is aluminum casting.
7. an alternating current machine, is characterized in that: comprise the AC motor rotor described by any one of claim 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520541684.6U CN204858778U (en) | 2015-07-23 | 2015-07-23 | AC motor rotor and AC motor who uses thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520541684.6U CN204858778U (en) | 2015-07-23 | 2015-07-23 | AC motor rotor and AC motor who uses thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204858778U true CN204858778U (en) | 2015-12-09 |
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ID=54749291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520541684.6U Active CN204858778U (en) | 2015-07-23 | 2015-07-23 | AC motor rotor and AC motor who uses thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204858778U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106787315A (en) * | 2016-12-22 | 2017-05-31 | 中山市胜洋电机有限公司 | High-speed rotating motor capable of being accurately positioned |
| CN111585414A (en) * | 2020-07-01 | 2020-08-25 | 俞晓 | High-speed motor with stable heat dissipation |
-
2015
- 2015-07-23 CN CN201520541684.6U patent/CN204858778U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106787315A (en) * | 2016-12-22 | 2017-05-31 | 中山市胜洋电机有限公司 | High-speed rotating motor capable of being accurately positioned |
| CN111585414A (en) * | 2020-07-01 | 2020-08-25 | 俞晓 | High-speed motor with stable heat dissipation |
| CN111585414B (en) * | 2020-07-01 | 2021-07-23 | 嵊州市非标链轮有限公司 | High-speed motor with stable heat dissipation |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |