CN203416136U - AC asynchronous motor - Google Patents
AC asynchronous motor Download PDFInfo
- Publication number
- CN203416136U CN203416136U CN201320498422.7U CN201320498422U CN203416136U CN 203416136 U CN203416136 U CN 203416136U CN 201320498422 U CN201320498422 U CN 201320498422U CN 203416136 U CN203416136 U CN 203416136U
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- China
- Prior art keywords
- support
- rear end
- fixed
- induction motor
- terminal box
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000007789 sealing Methods 0.000 claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 16
- 239000010959 steel Substances 0.000 claims abstract description 16
- 230000006698 induction Effects 0.000 claims description 41
- 238000010276 construction Methods 0.000 claims description 10
- 230000035939 shock Effects 0.000 abstract description 3
- 229910001018 Cast iron Inorganic materials 0.000 description 6
- 238000009434 installation Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model provides an AC asynchronous motor, and belongs to the technical field of machinery. Problems that existing AC asynchronous motors are not firm in structure, poor in shock resistance, etc., are solved by the AC asynchronous motor. The AC asynchronous motor comprises a base. Two ends of the base are respectively connected with a front end cover and a rear end cover in a fixing way. A rotating shaft penetrates through the front end cover, and the internal end of the rotating shaft is arranged on the rear end cover. The base is internally provided with a stator, and the rotating shaft is provided with a rotor which is arranged on the internal side of the stator. The side part or the rear end cover of the base is fixedly connected with a connecting box. The connecting box is fixedly connected with a connecting box cover. The internal ends of multiple connecting wires are fixedly connected with the stator. The external ends of the connecting wires are arranged inside the connecting box. A sealing structure is arranged between the connecting box and the connecting wires. The front end cover, the base, the rear end cover, the connecting box and the connecting box cover are all made of steel plates. The front end cover, the base and the rear end cover are welded together. The AC asynchronous motor has advantages of being firm in structure, great in shock resistance, etc.
Description
Technical field
The utility model belongs to field of mechanical technique, relates to a kind of motor, particularly a kind of AC induction motor.
Background technology
AC induction motor is a kind of electric drive that is mechanical energy by electric energy conversion, and it mainly consists of stator, rotor and air gap between the two.During use, stator winding is passed into after AC power, produce rotating magnetic field cutting rotor, thereby obtain torque.Because the advantages such as AC induction motor is simple in structure, reliable, overload capacity is strong, are widely used in every field.Existing AC induction motor mostly adopts support, front end housing and the rear end cap of cast-iron structure, because the wall thickness of cast-iron structure is thicker, and the Heavy Weight of AC induction motor, carrying inconvenience, it is poor that thicker wall thickness makes whole radiating effect in addition.
For problems of the prior art, people have made improvement to AC induction motor, and some has also applied for patent, and for example Chinese patent literature data discloses a kind of square steel plate engine base electrical machine [application number: 200720097124.1, Granted publication number: CN201075757Y], it comprises circular casing and the base for supporting circular casing and being fixed and welded together with it, be arranged on the stator in casing, rotor, and the bearing that is arranged on the two ends of the rotating shaft being connected with rotor, before circular casing, on rear port, be stamped the end cap communicating, outside at circular casing is also provided with square plate shell, between square plate shell and circular casing, form cooling air channel, on the rear port of square plate shell, be provided with ventilator cowling, two sides of square plate shell are fixed on base, capacitor for motor is fixed in a side of square plate shell, the outside of capacitor is covered with the condenser block being fixed on square plate shell, in condenser block, be also provided with the binding post being fixed on square plate shell.
Above-mentioned square steel plate engine base electrical machine is made circular motor case and square plate shell by steel plate, between square plate shell and circular casing, form cooling air channel, structural strength is high and improved certain radiating effect like this, but structural design is unsatisfactory, square plate shell has increased manufacturing cost, also having condenser block is that plastic material is made, structural strength is poor, existing condenser block has employing castiron, but Heavy Weight, manufacturing cost is high, and condenser block place sealing effectiveness is poor in addition, water proof and dust proof is bad.
Summary of the invention
The purpose of this utility model is for the above-mentioned problems in the prior art, and a kind of sound construction, AC induction motor that shock resistance is good are provided.
The purpose of this utility model can realize by following technical proposal: a kind of AC induction motor, comprise support, described support two ends are fixed with respectively front end housing and rear end cap, a rotating shaft is located on rear end cap through the inner of front end housing and rotating shaft, in described support, stator is installed, the rotor that is positioned at stator inner side is installed in described rotating shaft, on described support sidepiece or rear end cap, be fixed with terminal box, described terminal box is fixed with connector cover, the inner of some wiring is connected mutually with stator, the outer end of wiring is positioned at terminal box, it is characterized in that, between described terminal box and wiring, be provided with hermetically-sealed construction, described front end housing, support, rear end cap, terminal box and connector cover are made by steel plate, described front end housing, support and rear end cap weld together.
The front end housing of this AC induction motor, support, rear end cap, terminal box and connector cover are made by steel plate, terminal box and connector cover are not fragile like this, long service life, and overall weight is light, convenient in carrying, the mechanical performance that makes in addition this AC induction motor is 1.25 times of plain cast iron motor, welding has increased the sound construction of this AC induction motor, thereby the vibration while having reduced the running of this AC induction motor, has reduced noise pollution.
In above-mentioned a kind of AC induction motor, the wall thickness of described support is 5 to 8 millimeters, and the wall thickness of described rear end cap is 10 to 14 millimeters.Can guarantee structural strength like this, and make this AC induction motor weight lighter.
In above-mentioned a kind of AC induction motor, described support sidepiece is welded with holder that made by steel plate and tubular, described terminal box is connected by bolt mutually with holder, described hermetically-sealed construction comprises the waterproof wiring plate between terminal box and holder, on described waterproof wiring plate, be fixed with binding post, described wiring is connected with binding post through the outer end of support sidepiece and holder and described wiring.Waterproof wiring plate is that insulating material (rubber or plastics) is made, can anti-sealing, that dust enters this AC induction motor is inner, and the wiring that is set to of holder provides arrangement space, and facilitates the installation of terminal box.
In above-mentioned a kind of AC induction motor, between described holder and waterproof wiring plate, be fixed with sealing ring one.Sealing ring one the further sealing of having strengthened between waterproof wiring plate and holder is set.
In above-mentioned a kind of AC induction motor, between described terminal box and connector cover, be fixed with sealing ring two.Sealing ring two the sealing having guaranteed between terminal box and connector cover is set.
In above-mentioned a kind of AC induction motor, described front end housing comprises forward flange and the retainer plate being in the form of a ring connected with forward flange, described retainer plate welds mutually between forward flange and support and with support, and described retainer plate circumferentially offers several equally distributed fixing holes.By securing member, pass fixing hole, facilitate this AC induction motor to be fixed on installation site, the installation convenient fixing of this AC induction motor.
In above-mentioned a kind of AC induction motor, described rear end cap inwall is welded with mount pad that made by steel plate and tubular, between described mount pad and rotating shaft, be fixed with bearing one, between described forward flange and rotating shaft, be fixed with bearing two, described forward flange is fixed with the location-plate that bearing two is compressed.Arranging of bearing one and bearing two guarantees that the rotating shaft course of work is smooth and easy, and extended the useful life of rotating shaft.
Compared with prior art, this AC induction motor front end housing, support, rear end cap, terminal box and connector cover are made by steel plate, each parts are not fragile like this, long service life, welding has increased the sound construction of this AC induction motor, the mechanical performance that makes this AC induction motor is 1.25 times of plain cast iron motor, thereby the vibration while having reduced the running of this AC induction motor has reduced noise pollution.
Accompanying drawing explanation
Fig. 1 is the structure cutaway view of this AC induction motor.
In figure, 1, support; 2, front end housing; 2a, forward flange; 2b, retainer plate; 2c, fixing hole; 3, rear end cap; 4, rotating shaft; 5, stator; 6, rotor; 7, terminal box; 8, connector cover; 9, wiring; 10, holder; 11, waterproof wiring plate; 12, binding post; 13, sealing ring one; 14, sealing ring two; 15, mount pad; 16, bearing one; 17, bearing two; 18, location-plate.
Embodiment
Be below specific embodiment of the utility model by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.
As shown in Figure 1, this AC induction motor comprises support 1, support 1 two ends are fixed with respectively front end housing 2 and rear end cap 3, a rotating shaft 4 is located on rear end cap 3 through the inner of front end housing 2 and rotating shaft 4, stator 5 is installed in support 1, the rotor 6 that is positioned at stator 5 inner sides is installed in rotating shaft 4, on support 1 sidepiece or rear end cap 3, be fixed with terminal box 7, terminal box 7 is fixed with connector cover 8 by bolt, the inner of some wiring 9 is connected mutually with stator 5, the outer end of wiring 9 is positioned at terminal box 7, between terminal box 7 and wiring 9, be provided with hermetically-sealed construction, front end housing 2, support 1, rear end cap 3, terminal box 7 and connector cover 8 are made by steel plate, front end housing 2, support 1 and rear end cap 3 weld together.
Further describe in detail, front end housing 2 comprises forward flange 2a and retainer plate 2b in the form of a ring, forward flange 2a is connected with retainer plate 2b mutually by bolt, and retainer plate 2b welds mutually between forward flange 2a and support 1 and with support 1, and retainer plate 2b circumferentially offers several equally distributed fixing hole 2c.In the present embodiment, support 1 sidepiece is welded with holder 10 that made by steel plate and tubular, terminal box 7 is connected by bolt mutually with holder 10, hermetically-sealed construction comprises the waterproof wiring plate 11 between terminal box 7 and holder 10, on waterproof wiring plate 11, be fixed with binding post 12, wiring 9 is connected with binding post 12 through the outer end of support 1 sidepiece and holder 10 and wiring 9, between holder 10 and waterproof wiring plate 11, be fixed with sealing ring 1, between terminal box 7 and connector cover 8, be fixed with sealing ring 2 14.Rear end cap 3 inwalls are welded with mount pad 15 that made by steel plate and tubular, between mount pad 15 and rotating shaft 4, are fixed with bearing 1, between forward flange 2a and rotating shaft 4, are fixed with bearing 2 17, and forward flange 2a is fixed with the location-plate 18 that bearing 2 17 is compressed.The wall thickness of support 1 is 5 to 8 millimeters, and the wall thickness of rear end cap 3 is 10 to 14 millimeters, and in the present embodiment, the wall thickness of support 1 is 7 millimeters, and the wall thickness of rear end cap 3 is 12 millimeters, can guarantee structural strength like this, and makes this AC induction motor weight lighter.
The front end housing 2 of this AC induction motor, support 1, rear end cap 3, terminal box 7 and connector cover 8 are made by steel plate, terminal box 7 and connector cover 8 are not fragile like this, long service life, and overall weight is light, convenient in carrying, welding has increased the sound construction of this AC induction motor in addition, and the mechanical performance that makes this AC induction motor is 1.25 times of plain cast iron motor, thereby the vibration while having reduced the running of this AC induction motor, has reduced noise pollution.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although more used the terms such as support 1, front end housing 2, forward flange 2a, retainer plate 2b, fixing hole 2c, rear end cap 3, rotating shaft 4, stator 5, rotor 6, terminal box 7, connector cover 8, wiring 9, holder 10, waterproof wiring plate 11, binding post 12, sealing ring 1, sealing ring 2 14, mount pad 15, bearing 1, bearing 2 17, location-plate 18 herein, do not got rid of the possibility of using other term.Use these terms to be only used to describe more easily and explain essence of the present utility model; They are construed to any additional restriction is all contrary with the utility model spirit.
Claims (7)
1. an AC induction motor, comprise support (1), described support (1) two ends are fixed with respectively front end housing (2) and rear end cap (3), a rotating shaft (4) is located on rear end cap (3) through the inner of front end housing (2) and rotating shaft (4), stator (5) is installed in described support (1), the rotor (6) that is positioned at stator (5) inner side is installed in described rotating shaft (4), on described support (1) sidepiece or rear end cap (3), be fixed with terminal box (7), described terminal box (7) is fixed with connector cover (8), the inner of some wiring (9) is connected mutually with stator (5), the outer end of wiring (9) is positioned at terminal box (7), it is characterized in that, between described terminal box (7) and wiring, be provided with hermetically-sealed construction, described front end housing (2), support (1), rear end cap (3), terminal box (7) and connector cover (8) are made by steel plate, described front end housing (2), support (1) and rear end cap (3) weld together.
2. a kind of AC induction motor according to claim 1, is characterized in that, the wall thickness of described support (1) is 5 to 8 millimeters, and the wall thickness of described rear end cap (3) is 10 to 14 millimeters.
3. a kind of AC induction motor according to claim 1 and 2, it is characterized in that, described support (1) sidepiece is welded with holder that made by steel plate and tubular (10), described terminal box (7) is connected by bolt mutually with holder (10), described hermetically-sealed construction comprises the waterproof wiring plate (11) between terminal box (7) and holder (10), on described waterproof wiring plate (11), be fixed with binding post (12), described wiring (9) is connected with binding post (12) through the outer end of support (1) sidepiece and holder (10) and described wiring (9).
4. a kind of AC induction motor according to claim 3, is characterized in that, between described holder (10) and waterproof wiring plate (11), is fixed with sealing ring one (13).
5. a kind of AC induction motor according to claim 3, is characterized in that, between described terminal box (7) and connector cover (8), is fixed with sealing ring two (14).
6. a kind of AC induction motor according to claim 1 and 2, it is characterized in that, described front end housing (2) comprises forward flange (2a) and the retainer plate in the form of a ring (2b) being connected with forward flange (2a), described retainer plate (2b) is positioned between forward flange (2a) and support (1) and with support (1) and welds mutually, and described retainer plate (2b) circumferentially offers several equally distributed fixing holes (2c).
7. a kind of AC induction motor according to claim 1 and 2, it is characterized in that, described rear end cap (3) inwall is welded with mount pad that made by steel plate and tubular (15), between described mount pad (15) and rotating shaft (4), be fixed with bearing one (16), between described forward flange (2a) and rotating shaft (4), be fixed with bearing two (17), described forward flange (2a) is fixed with the location-plate (18) that bearing two (17) is compressed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320498422.7U CN203416136U (en) | 2013-08-15 | 2013-08-15 | AC asynchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320498422.7U CN203416136U (en) | 2013-08-15 | 2013-08-15 | AC asynchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203416136U true CN203416136U (en) | 2014-01-29 |
Family
ID=49978994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320498422.7U Expired - Fee Related CN203416136U (en) | 2013-08-15 | 2013-08-15 | AC asynchronous motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203416136U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106100210A (en) * | 2016-08-05 | 2016-11-09 | 松下压缩机(大连)有限公司 | There is the electronic refrigeration compressor of electric waterproof construction |
| CN111835129A (en) * | 2020-06-23 | 2020-10-27 | 哈尔滨电气动力装备有限公司 | Small-sized pressure-resistant outlet box for nuclear power shielding motor |
| CN113746256A (en) * | 2021-09-08 | 2021-12-03 | 万鑫精工(湖南)股份有限公司 | Motor full-sealed junction box |
-
2013
- 2013-08-15 CN CN201320498422.7U patent/CN203416136U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106100210A (en) * | 2016-08-05 | 2016-11-09 | 松下压缩机(大连)有限公司 | There is the electronic refrigeration compressor of electric waterproof construction |
| CN111835129A (en) * | 2020-06-23 | 2020-10-27 | 哈尔滨电气动力装备有限公司 | Small-sized pressure-resistant outlet box for nuclear power shielding motor |
| CN113746256A (en) * | 2021-09-08 | 2021-12-03 | 万鑫精工(湖南)股份有限公司 | Motor full-sealed junction box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140129 Termination date: 20210815 |