CN220325450U - Explosion-proof water-cooling three-phase asynchronous motor - Google Patents
Explosion-proof water-cooling three-phase asynchronous motor Download PDFInfo
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- CN220325450U CN220325450U CN202320804385.1U CN202320804385U CN220325450U CN 220325450 U CN220325450 U CN 220325450U CN 202320804385 U CN202320804385 U CN 202320804385U CN 220325450 U CN220325450 U CN 220325450U
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- end cover
- explosion
- phase asynchronous
- asynchronous motor
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- 238000001816 cooling Methods 0.000 title abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
- 238000007789 sealing Methods 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 229910001141 Ductile iron Inorganic materials 0.000 claims description 3
- 238000005266 casting Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 239000000498 cooling water Substances 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 18
- 239000002826 coolant Substances 0.000 description 16
- 238000009434 installation Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- Motor Or Generator Cooling System (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The utility model discloses an explosion-proof water-cooling three-phase asynchronous motor, which relates to the technical field of motors and comprises a shell and a rotating shaft rotatably supported on the shell, wherein a rotor is arranged on the rotating shaft, and a stator matched with the rotor is arranged on the inner wall of the shell; the shell is provided with a jacket structure, and the shell is also provided with a water inlet and a water outlet which are communicated with the inside of the jacket structure. According to the utility model, the fan cooling is changed into cooling water circulation cooling, so that the motor structure is small, the cooling effect is good, the internal structure of the motor is simpler and more compact, and the working efficiency is higher.
Description
Technical Field
The utility model relates to the technical field of motors, in particular to an explosion-proof water-cooling three-phase asynchronous motor.
Background
The existing three-phase asynchronous motor used in the feed machinery industry is generally a common motor or a common dust explosion-proof motor, the motor is installed in a V1M mode, a fan is installed on a motor shaft of the motor, a fan housing is provided with a fan cover, a rain cap is arranged on the fan cover, and when the feed machinery industry works, the output end of the motor shaft and a driven piece adopt belt pulley transmission.
At present, the motor is large in size, and an installation platform is required to be independently arranged during installation, so that the installation space is large; meanwhile, the motor is large in noise, and the wind generated by the fan during rotation easily causes feed dust to fly upwards, so that potential safety hazards are increased.
Disclosure of Invention
The utility model aims to provide an explosion-proof water-cooled three-phase asynchronous motor, which changes fan cooling into cooling water circulation cooling, so that the motor structure is small, the cooling effect is good, the internal structure of the motor is simpler and more compact, and the working efficiency is higher.
In order to achieve the aim of the utility model, the technical scheme adopted is as follows: an explosion-proof water-cooled three-phase asynchronous motor comprises a shell and a rotating shaft rotatably supported on the shell, wherein a rotor is arranged on the rotating shaft, and a stator matched with the rotor is arranged on the inner wall of the shell; the shell is provided with a jacket structure, and the shell is also provided with a water inlet and a water outlet which are communicated with the inside of the jacket structure.
Further, the water inlet and the water outlet are respectively positioned at two ends of the jacket structure.
Further, the shell comprises a front end cover, a rear end cover and a shell, sealing rings are arranged between the front end cover and the shell and between the rear end cover and the shell, two ends of the rotating shaft are respectively supported on the front end cover and the rear end cover, and the jacket structure is positioned on the shell.
Furthermore, the front end cover and the rear end cover are respectively provided with an inner cover and an outer cover, and bearings are respectively arranged between the inner cover and the outer cover.
Further, a framework oil seal matched with the rotating shaft is arranged on the outer cover fixed on the front end cover, and an oil inlet and an oil outlet communicated with the framework oil seal are also arranged on the shell.
Furthermore, the front end cover, the rear end cover, the inner cover and the outer cover are all formed by casting QT450-10 ductile iron.
Further, the shell is formed by welding Q235-A steel.
Further, the shell is also provided with a junction box which is electrically connected with the stator.
Further, a machine base is also arranged on the machine shell.
Furthermore, a temperature measuring element and a temperature switch are embedded in the stator.
The beneficial effects of the utility model are as follows:
according to the utility model, the jacket structure is arranged on the shell, so that cooling water can be introduced into the jacket structure to exchange heat with the interior of the motor in the running process, and the motor is cooled.
Through install on the enclosing cover that is fixed in on the front end housing with pivot complex skeleton oil blanket, not only make the sealing performance of motor better, and make the dustproof effect of motor better.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model.
Fig. 1 is a schematic diagram of the structure of the explosion-proof water-cooled three-phase asynchronous motor provided by the utility model.
The reference numerals and corresponding part names in the drawings:
1. the device comprises a shell, 2, a rotating shaft, 3, a stator, 4, a rotor, 5, a jacket structure, 6, a water inlet, 7, a water outlet, 8, an inner cover, 9, an outer cover, 10, a bearing, 11, a framework oil seal, 12, an oil inlet, 13, an oil outlet, 14, a junction box, 15 and a base;
101. front end cover, 102, rear end cover, 103, casing.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and embodiments. It is to be understood that the specific embodiments described herein are merely illustrative of the substances, and not restrictive of the utility model. It should be further noted that, for convenience of description, only the portions related to the present utility model are shown in the drawings.
In addition, the embodiments of the present utility model and the features of the embodiments may be combined with each other without collision. The present utility model will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1, the explosion-proof water-cooled three-phase asynchronous motor provided by the utility model comprises a shell 1 and a rotating shaft 2, wherein the central axis of the rotating shaft 2 and the central axis of the shell 1 are on the same straight line, and both ends of the rotating shaft 2 are rotatably supported on the shell 1; the inner wall of the shell 1 is provided with a stator 3, the rotating shaft 2 is provided with a rotor 4 matched with the stator 3, and the rotor 4 drives the rotating shaft 2 to rotate in the rotating process.
The shell 1 is provided with a jacket structure 5, the shell 1 is also provided with a water inlet 6 and a water outlet 7 which are communicated with the inside of the jacket structure 5, a cooling medium can be introduced into the jacket structure 5 through the water inlet 6, and the cooling medium entering the jacket structure 5 can be discharged through the water outlet 7 after heat exchange with the inside of the motor.
According to the utility model, the jacket structure 5 is arranged on the shell 1, and although the diameter of the shell 1 is increased relative to the diameter of the shell 1 of the motor in the prior art, a fan housing is not required to be arranged on the shell 1, and the space for installing a fan is not required to be reserved on the shell 1, so that the volume of the motor is greatly reduced, and the motor structure is simpler and more compact; meanwhile, the cooling medium in the jacket structure 5 directly exchanges heat with the inside of the motor, so that compared with the cooling effect of a fan in the prior art, the cooling effect of the motor is better, and the efficiency of the motor in operation is higher.
As a further improvement in this embodiment, the water inlet 6 and the water outlet 7 are respectively located at two ends of the jacket structure 5, and a cooling chamber is formed in the jacket structure 5, so that after the cooling medium enters the jacket structure 5 through the water inlet 6, the cooling medium is discharged from the water outlet 7 after being distributed in the jacket structure 5. In the utility model, in order to make the heat exchange efficiency between the cooling medium and the interior of the motor higher, a spiral guide plate can be arranged in the jacket structure 5, so that the cooling medium can flow through the whole jacket structure 5 through the guide of the guide plate after entering the jacket structure 5 through the water inlet 6, the heat exchange time between the cooling medium and the interior of the motor is longer, and the cooling effect in the interior of the motor is better.
As a further improvement in this embodiment, the casing 1 includes a front end cover 101, a rear end cover 102, and a casing 103, where the front end cover 101 seals the front end of the casing 103, the rear end cover 102 seals the rear end of the casing 103, so that the front end cover 101, the rear end cover 102, and the casing 103 together form a cylindrical installation cavity, and the stator 3 is fixedly installed on the inner wall of the casing 103; in order to ensure the tightness of the mounting cavity, sealing rings are arranged between the front end cover 101 and the machine shell 103 and between the rear end cover 102 and the machine shell 103, so that leakage between the front end cover 101 and the machine shell 103 and between the rear end cover 102 and the machine shell 103 is avoided. In order to facilitate the installation of the sealing ring, sealing ring grooves for embedding the sealing ring are formed on the inner side surface of the front end cover 101 and the inner side surface of the rear end cover 102; of course, in the present utility model, the seal ring grooves for fitting the seal rings may be formed on the end surfaces of both ends of the housing 103.
The jacket structure 5 is located on the casing 103, specifically, the casing 103 includes an inner layer, an outer layer and two end plates, the inner layer and the outer layer are coaxially and radially arranged at intervals, and two ends of the inner layer and two ends of the outer layer are respectively welded and fixed on the two end plates, so that the inner layer, the outer layer and the two end plates together form the jacket structure 5, that is, a cooling chamber is formed between the outer wall of the inner layer and the inner wall of the outer layer; when the sandwich structure is internally provided with the spiral guide plates, the spiral guide plates are positioned in the cooling cavity formed between the outer layer and the inner layer, so that a spiral circulation channel is formed in the cavity, at the moment, the water inlet 6 and the water outlet 7 are positioned at two ends of the circulation channel, and when a cooling medium enters the sandwich structure, the cooling medium flows along the circulation channel, so that the cooling medium uniformly passes through the whole sandwich structure, and the heat exchange efficiency of the cooling medium and the inside of the motor is improved.
As a further improvement in this embodiment, the front end cover 101 and the rear end cover 102 are both provided with an inner cover 8 and an outer cover 9, the inner cover 8 and the outer cover 9 on the front end cover 101 are respectively located at two sides of the front end cover 101, the inner cover 8 and the outer cover 9 on the rear end cover 102 are respectively located at two sides of the rear end cover 102, and when the inner cover 8 and the outer cover 9 are installed, the inner cover 8, the outer cover 9 and the front end cover 101 are jointly fixed by screws, and the inner cover 8, the outer cover 9 and the rear end cover 102 are jointly fixed by screws; meanwhile, the diameter of the through hole in the inner cover 8 and the outer cover 9 for the rotating shaft 2 to penetrate is matched with the diameter of the rotating shaft 2, the diameter of the through hole in the front end cover 101 and the rear end cover 102 for the rotating shaft 2 to penetrate is larger than the diameter of the rotating shaft 2, after the front end cover 101 and the rear end cover 102 are fixedly installed, an annular chamber is formed between the front end cover 101 and the rear end cover 102, and a bearing 10 for supporting the rotating shaft 2 is installed in the annular chamber, so that the bearing 10 can fully rotate after being installed.
Because the rear end of the rotating shaft 2 does not need to be connected with other structures in the using process of the motor, in order to ensure the tightness of the motor when the rotating shaft 2 is installed, the rear end of the rotating shaft 2 does not need to penetrate outwards after the rotating support of the rear end of the rotating shaft 2 is ensured, i.e. a through hole for the rotating shaft 2 to penetrate is not formed in the outer cover 9 fixed on the rear end cover 102.
As a further improvement in this embodiment, since the front end of the rotating shaft 2 is also required to be provided with other transmission structures, the front end of the rotating shaft 2 must extend outwards through the housing 1 during installation, at this time, in order to ensure tightness between the front end of the rotating shaft 2 and the housing 1, the outer cover 9 fixed on the front end cover 101 is provided with a skeleton oil seal 11 matched with the rotating shaft 2, that is, the skeleton oil seal 11 is installed between the through hole of the outer cover 9 and the rotating shaft 2, so that the rotating shaft 2 can sufficiently rotate under the condition of ensuring tightness between the outer cover 9 and the rotating shaft 2; meanwhile, an oil inlet 12 and an oil outlet 13 which are communicated with the framework oil seal 11 are further formed in the shell 1, so that lubricating oil can be supplemented to the framework oil seal 11 through the oil inlet 12 in the use process of the motor, and the lubricating oil in the framework oil seal 11 can be directly discharged through the oil outlet 13 when the framework oil seal 11 needs to be replaced.
As a further improvement in the present embodiment, the front end cover 101, the rear end cover 102, the inner cover 8 and the outer cover 9 are all formed by casting QT450-10 ductile iron, the rotating shaft 2 is subjected to 40Cr tempering, the type of the bearing 10 for supporting the front end of the rotating shaft 2 is NU232EM/Z1, and the type of the bearing 10 for supporting the rear end of the rotating shaft 2 is 7319AC/DB.
As a further improvement in the present embodiment, the casing 103 is formed by welding Q235-A steel, and specifically, the two ends of the inner layer and the two ends of the outer layer are welded with the end plates respectively by adopting Q235-A steel.
As a further improvement in the embodiment, the stator 3 and the rotor 4 are made of silicon steel sheets with high magnetic sensitivity, laminated and cast aluminum, and the coil of the stator 3 is made of round copper wire with high insulation grade and high temperature resistance; meanwhile, the casing 103 is further provided with a junction box 14 electrically connected with the stator 3, and the junction box 14 is an explosion-proof junction box 14.
As a further improvement in this embodiment, the housing 103 is further provided with a stand 15, so that the motor can be directly and fixedly installed through the stand 15 during installation, and the installation of the motor is more convenient.
As a further improvement in the embodiment, the stator 3 is embedded with a temperature measuring element and a temperature switch, the temperature measuring element is a PT100 winding temperature measuring element, and the temperature switch is a 145 ℃ temperature switch, so that the motor can detect the internal temperature of the motor through the temperature measuring element in the using process, and when the internal temperature of the motor exceeds a preset value, the temperature switch automatically responds to control the motor to stop, thereby ensuring the normal operation of the motor and avoiding the motor from being burnt.
When the utility model is actually used, the motor is installed in a V16 mode, and a three-phase power supply is connected to the junction box 14, the front end of the rotating shaft 2 can be directly connected with a driven piece through a key and a coupling, and the driven piece can be a transmission structure or a driven object; simultaneously, the water inlet 6 and the water outlet 7 are connected with a conveying pipeline of the cooling medium, so that the cooling medium is conveyed into the jacket structure 5 through the water inlet 6, the cooling medium entering the jacket structure 5 exchanges heat with the inside of the motor, and the cooling medium after heat exchange is conveyed out through the water outlet 7, thereby realizing cooling of the inside of the motor.
In the description of the present specification, reference to the terms "one embodiment/manner," "some embodiments/manner," "example," "specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment/manner or example is included in at least one embodiment/manner or example of the present application. In this specification, the schematic representations of the above terms are not necessarily for the same embodiment/manner or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments/modes or examples. Furthermore, the various embodiments/modes or examples described in this specification and the features of the various embodiments/modes or examples can be combined and combined by persons skilled in the art without contradiction.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the meaning of "plurality" is at least two, such as two, three, etc., unless explicitly defined otherwise.
It will be appreciated by persons skilled in the art that the above embodiments are provided for clarity of illustration only and are not intended to limit the scope of the utility model. Other variations or modifications will be apparent to persons skilled in the art from the foregoing disclosure, and such variations or modifications are intended to be within the scope of the present utility model.
Claims (10)
1. The explosion-proof water-cooled three-phase asynchronous motor is characterized by comprising a shell (1) and a rotating shaft (2) rotatably supported on the shell (1), wherein a rotor (4) is arranged on the rotating shaft (2), and a stator (3) matched with the rotor (4) is arranged on the inner wall of the shell (1); the shell (1) is provided with a jacket structure (5), and the shell (1) is also provided with a water inlet (6) and a water outlet (7) which are communicated with the inside of the jacket structure (5).
2. The explosion-proof water-cooled three-phase asynchronous motor according to claim 1, wherein the water inlet (6) and the water outlet (7) are respectively positioned at two ends of the jacket structure (5).
3. The explosion-proof water-cooled three-phase asynchronous motor according to claim 1 or 2, wherein the shell (1) comprises a front end cover (101), a rear end cover (102) and a machine shell (103), sealing rings are arranged between the front end cover (101) and the machine shell (103) and between the rear end cover (102) and the machine shell (103), two ends of the rotating shaft (2) are respectively supported on the front end cover (101) and the rear end cover (102), and the jacket structure (5) is positioned on the machine shell (103).
4. An explosion-proof water-cooled three-phase asynchronous motor according to claim 3, characterized in that the front end cover (101) and the rear end cover (102) are provided with an inner cover (8) and an outer cover (9), and a bearing (10) is arranged between the inner cover (8) and the outer cover (9).
5. The explosion-proof water-cooled three-phase asynchronous motor according to claim 4, wherein a framework oil seal (11) matched with the rotating shaft (2) is arranged on an outer cover (9) fixed on the front end cover (101), and an oil inlet (12) and an oil outlet (13) which are communicated with the framework oil seal (11) are also arranged on the shell (1).
6. The explosion-proof water-cooled three-phase asynchronous motor according to claim 4, wherein the front end cover (101), the rear end cover (102), the inner cover (8) and the outer cover (9) are all formed by casting QT450-10 ductile iron.
7. The explosion-proof water-cooled three-phase asynchronous motor according to claim 4, wherein the casing (103) is formed by welding Q235-A steel.
8. An explosion-proof water-cooled three-phase asynchronous motor according to claim 3, characterized in that the housing (103) is further provided with a junction box (14) electrically connected with the stator (3).
9. An explosion-proof water-cooled three-phase asynchronous motor according to claim 3, characterized in that the housing (103) is further provided with a stand (15).
10. Explosion-proof water-cooled three-phase asynchronous motor according to claim 1 or 2, characterized in that the stator (3) is embedded with temperature measuring elements and temperature switches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320804385.1U CN220325450U (en) | 2023-04-12 | 2023-04-12 | Explosion-proof water-cooling three-phase asynchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320804385.1U CN220325450U (en) | 2023-04-12 | 2023-04-12 | Explosion-proof water-cooling three-phase asynchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220325450U true CN220325450U (en) | 2024-01-09 |
Family
ID=89409813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320804385.1U Active CN220325450U (en) | 2023-04-12 | 2023-04-12 | Explosion-proof water-cooling three-phase asynchronous motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220325450U (en) |
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2023
- 2023-04-12 CN CN202320804385.1U patent/CN220325450U/en active Active
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