CN112072837A - Three-phase asynchronous motor - Google Patents
Three-phase asynchronous motor Download PDFInfo
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- CN112072837A CN112072837A CN202010853336.8A CN202010853336A CN112072837A CN 112072837 A CN112072837 A CN 112072837A CN 202010853336 A CN202010853336 A CN 202010853336A CN 112072837 A CN112072837 A CN 112072837A
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- rotating shaft
- end cover
- abutting
- asynchronous motor
- phase asynchronous
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- 230000035515 penetration Effects 0.000 claims description 10
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 4
- -1 polytetrafluoroethylene Polymers 0.000 claims description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000004809 Teflon Substances 0.000 claims description 2
- 229920006362 Teflon® Polymers 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 4
- 235000017491 Bambusa tulda Nutrition 0.000 description 4
- 241001330002 Bambuseae Species 0.000 description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 4
- 239000011425 bamboo Substances 0.000 description 4
- 229920001971 elastomer Polymers 0.000 description 2
- 239000000806 elastomer Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 241000221535 Pucciniales Species 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/003—Couplings; Details of shafts
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K17/00—Asynchronous induction motors; Asynchronous induction generators
- H02K17/02—Asynchronous induction motors
- H02K17/12—Asynchronous induction motors for multi-phase current
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K17/00—Asynchronous induction motors; Asynchronous induction generators
- H02K17/02—Asynchronous induction motors
- H02K17/16—Asynchronous induction motors having rotors with internally short-circuited windings, e.g. cage rotors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention discloses a three-phase asynchronous motor, which comprises an outer shell, a front end cover, a rear end cover, a rotating shaft, a cage-shaped rotor, a stator and a positioning assembly, wherein the front end cover is arranged on the outer shell; the transmission performance of the whole rotating shaft is more stable through the mounting structure in elastic abutting connection; the rotating shaft is convenient to mount and dismount.
Description
Technical Field
The invention relates to a three-phase asynchronous motor.
Background
The three-phase asynchronous motor is one of induction motors, is a motor powered by simultaneously connecting 380V three-phase alternating current, and is called a three-phase asynchronous motor because the rotating magnetic fields of a rotor and a stator of the three-phase asynchronous motor rotate in the same direction at different rotating speeds and have slip ratios; the rotating speed of the rotor of the three-phase asynchronous motor is lower than that of a rotating magnetic field, and the rotor winding generates electromotive force and current due to relative motion between the rotor winding and the magnetic field and interacts with the magnetic field to generate electromagnetic torque so as to realize energy conversion; the axis of rotation of current motor generally all is connected through swivelling joint's bearing and front and back end cover, realizes the fixed of axis of rotation, and the axis of rotation of connection structure like this can produce certain rocking because wearing and tearing after using a period to the axis of rotation installation is more loaded down with trivial details, and the epaxial bearing of rotation in addition generally is fixed through the screw with front and back end cover, so when dismantling in case the screw rusts can increase the degree of difficulty of dismantling the maintenance.
Disclosure of Invention
Aiming at the defects of the prior art, the invention solves the problems that: the three-phase asynchronous motor with the rotating shaft installed quickly and conveniently and the structure stable is provided.
In order to solve the problems, the technical scheme adopted by the invention is as follows:
a three-phase asynchronous motor comprises a shell, a front end cover, a rear end cover, a rotating shaft, a cage-shaped rotor, a stator and a positioning assembly; a front end cover and a rear end cover are respectively arranged at the front end and the rear end of the outer shell; the stator is sleeved and fixed on the periphery of the inner wall of the outer shell; the rotating shaft is connected to the inner axle center of the outer shell in a penetrating manner; a cage-shaped rotor is arranged on the rotating shaft; the cage type rotor is positioned at the inner axle center of the stator; the inner end of the rotating shaft is rotatably clamped and installed in the rear end cover; a cooling fan is arranged at the inner end of the rotating shaft; the cooling fan is positioned inside the joint of the outer shell and the rear end cover; a limiting ring body is arranged on the rotating shaft; the outer side of the limiting ring body is abutted against the inner side wall of the front end cover; the outer end of the rotating shaft penetrates through the front end cover and then extends to the outside of the front end cover; the upper part and the lower part of the outer side of the front end cover are respectively provided with a positioning component; the positioning assembly comprises an internal thread cylinder, a driving rod, an external thread block, a clamping rod, an abutting arc-shaped plate and an annular elastic body; the internal thread cylinder is fixedly arranged on the outer side surface of the front end cover; the external thread block is in threaded rotary connection with the inside of the internal thread cylinder and penetrates out of the inner end of the internal thread cylinder in a rotary mode; the outer end of the external thread block is provided with a driving rod, and the inner end of the external thread block is provided with a clamping rod; the outer end of the driving rod extends out of the internal thread cylinder; the inner end of the clamping rod extends to the inner side of the internal thread cylinder, and the inner end of the clamping rod is rotatably clamped with the middle of the outer end of the abutting arc-shaped plate; an annular elastic body is fixedly arranged around the inner end of the internal thread cylinder; the inner end of the annular elastic body is elastically abutted and fixed around the outer end face of the abutting arc-shaped plate; an annular abutting groove is formed in the outer side of the periphery of the rotating shaft; the upper side and the lower side of the annular abutting groove on the outer side of the periphery of the rotating shaft are respectively clamped and abutted by the abutting arc-shaped plates.
Further, the maximum diameter of the driving rod and the maximum diameter of the clamping rod are smaller than the diameter of the external thread block.
Furthermore, the front and the back of the upper end of the abutting arc-shaped plate are respectively provided with abutting convex edges; the lower end of the annular elastic body is elastically abutted and fixed on the abutting convex edge.
Further, a polytetrafluoroethylene coating is coated in the annular abutting groove.
Furthermore, the upper side and the lower side of the interior of the rear end cover are respectively provided with a positioning rod; a penetration tube is arranged between the positioning rods; the inner end of the rotating shaft is inserted into the penetration cylinder; an abutting elastic body is arranged in the cross-connecting cylinder; the abutting elastic body elastically abuts against the inner end of the rotating shaft; and a polytetrafluoroethylene coating is arranged in the penetration cylinder.
Further, the upper end of the driving rod is provided with a driving handle; a rotary clamping groove is formed in the middle of the upper end of the abutting arc plate; the lower end of the clamping rod is provided with a rotary clamping tooth; the clamping rod is rotatably clamped in the rotary clamping groove in the middle of the upper end of the abutting arc-shaped plate through the rotary clamping teeth at the lower end.
Further, the rear end cover is provided with an air vent; air vents are uniformly arranged around the front end of the outer shell.
Furthermore, annular gaps are formed between the peripheral outer side of the cage type rotor and the peripheral inner side of the stator.
Further, the front end cover and the rear end cover are fixedly installed at the front end and the rear end of the outer shell respectively through screws.
The invention has the advantages of
1. The invention changes the installation structure of the rotating shaft of the traditional motor, the rear end of the rotating shaft is directly inserted and installed in the penetrating cylinder fixed in the rear end cover to realize the initial positioning of installation, then the front end of the rotating shaft penetrates out of the front end cover, the outer side of the limiting ring body on the rotating shaft abuts against the inner side wall of the front end cover to realize the secondary positioning, finally, the outer thread block is driven to rotate and penetrate out of the inner end of the inner thread cylinder through the rotation of the driving rod in the positioning assembly, and after the outer thread block is separated from the thread occlusion constraint of the inner thread cylinder, the annular elastic body can directly press the abutting arc-shaped plate against the upper side and the lower side of the annular abutting groove on the outer side of the periphery of the rotating shaft through the elasticity, so that the final axial and transverse positioning of the rotating shaft is realized.
2. The rotary shaft is convenient to mount and dismount, the rear end of the rotary shaft is directly inserted into the cross-connecting cylinder fixed in the rear end cover, then the front end cover is mounted, the driving rod is directly rotated, so that after the external thread block is separated from the thread occlusion constraint of the internal thread cylinder, the annular elastic body can directly press the abutting arc-shaped plates against the upper side and the lower side of the annular abutting groove on the outer side of the periphery of the rotary shaft through elasticity, and the final axial and transverse positioning of the rotary shaft is realized; when needs are dismantled, at first the pulling actuating lever for the external screw thread piece reachs the inner port of an internal thread section of thick bamboo, then rotatory actuating lever drives inside external screw thread piece screw thread rotation gets into an internal thread section of thick bamboo, so drive the annular butt groove that the butt arc breaks away from the axis of rotation, annular elastomer is constantly by the compression form this moment, then dismantle behind the front end housing directly take out the axis of rotation can, so installation and dismantlement all very facility.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic view of the positioning assembly of the present invention separated from the rotating shaft.
FIG. 3 is a schematic view of the locking shaft of the positioning assembly of the present invention.
Fig. 4 is a sectional view showing the connection of the annular abutting groove of the rotating shaft of the present invention and the abutting arc plate.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 4, a three-phase asynchronous motor includes an outer casing 1, a front end cover 3, a rear end cover 2, a rotating shaft 4, a cage-shaped rotor 7, a stator 6, and a positioning assembly 5; a front end cover 3 and a rear end cover 2 are respectively arranged at the front end and the rear end of the outer shell 1; the stator 6 is fixedly sleeved on the periphery of the inner wall of the outer shell 1; the rotating shaft 4 is penetrated and connected with the inner axle center of the outer shell 1; a cage-shaped rotor 7 is arranged on the rotating shaft 4; the cage-shaped rotor 7 is positioned at the inner axle center of the stator 6; the inner end of the rotating shaft 4 is rotatably clamped and installed in the rear end cover 2; a cooling fan 41 is arranged at the inner end of the rotating shaft 4; the cooling fan 41 is positioned inside the joint of the outer shell 1 and the rear end cover 2; a limiting ring body 42 is arranged on the rotating shaft 4; the outer side of the limiting ring body 42 is abutted against the inner side wall of the front end cover 3; the outer end of the rotating shaft 4 penetrates through the front end cover 3 and then extends to the outside of the front end cover 3; a positioning component 5 is respectively arranged at the upper part and the lower part of the outer side of the front end cover 3; the positioning assembly 5 comprises an internal thread cylinder 52, a driving rod 51, an external thread block 53, a clamping rod 54, an abutting arc-shaped plate 55 and an annular elastic body 56; the internal thread cylinder 52 is fixedly arranged on the outer side surface of the front end cover 3; the external thread block 53 is in threaded rotary connection with the inside of the internal thread cylinder 52 and is rotated out of the inner end of the internal thread cylinder 52; the outer end of the external thread block 53 is provided with a driving rod 51, and the inner end of the external thread block 53 is provided with a clamping rod 54; the outer end of the driving rod 51 extends out of the internal thread cylinder 52; the inner end of the clamping rod 54 extends to the inner side of the internal thread cylinder 52, and the inner end of the clamping rod 54 is rotatably clamped with the middle of the outer end of the abutting arc-shaped plate 55; an annular elastic body 56 is fixedly arranged around the inner end of the internal thread cylinder 52; the inner end of the annular elastic body 56 is elastically abutted and fixed around the outer end face of the abutting arc-shaped plate 55; an annular abutting groove 43 is formed in the outer side of the periphery of the rotating shaft 4; the upper and lower sides of the annular abutting groove 43 on the outer side of the periphery of the rotating shaft 4 are respectively clamped and abutted by the abutting arc-shaped plates 55.
As shown in fig. 1 to 4, it is further preferable that the maximum diameter of the driving rod 51 and the clamping rod 54 is smaller than the diameter of the male screw block 53. More preferably, the front and the rear of the upper end of the abutting arc-shaped plate 55 are respectively provided with an abutting flange 552; the lower end of the annular elastic body 56 is elastically abutted and fixed to the abutment flange 552. Further preferably, the annular abutment groove 43 is internally coated with a teflon coating. Furthermore, the upper side and the lower side of the interior of the rear end cover 2 are respectively provided with a positioning rod 21; a penetration tube 22 is arranged between the positioning rods 21; the inner end of the rotating shaft 4 is inserted into the penetration cylinder 22; an abutting elastic body 23 is arranged in the penetration cylinder 22; the abutting elastic body 23 elastically abuts against the inner end of the rotating shaft 4; a polytetrafluoroethylene coating is arranged in the penetration cylinder 22. Further, a driving handle is arranged at the upper end of the driving rod 51; a rotary clamping groove 551 is arranged in the middle of the upper end of the abutting arc-shaped plate 55; the lower end of the clamping rod 54 is provided with a rotary clamping tooth 541; the clamping rod 54 is rotatably clamped in the rotating clamping groove 551 in the middle of the upper end of the abutting arc-shaped plate 55 through the rotating clamping tooth 541 at the lower end. More preferably, the rear end cover 2 is provided with a vent 11; air vents 11 are uniformly formed in the periphery of the front end of the outer shell 1. Further, an annular gap is formed between the outer side of the periphery of the cage-shaped rotor 7 and the inner side of the periphery of the stator 6. Further, the front end cover 3 and the rear end cover 2 are respectively fixedly installed at the front end and the rear end of the outer shell 1 through screws.
The invention changes the installation structure of the rotating shaft 4 of the traditional motor, the rear end of the rotating shaft 4 is directly inserted and installed in the cross-connecting cylinder 22 fixed in the rear end cover 2, the initial positioning of the installation is realized, then the front end of the rotating shaft 4 penetrates out of the front end cover 3, the outer side of the limiting ring body 42 on the rotating shaft 4 is abutted against the inner side wall of the front end cover 3 to realize secondary positioning, and finally, through the rotation of the driving rod 51 in the positioning component 5, thereby driving the external thread block 53 to rotate and penetrate out from the inner end of the internal thread cylinder 52, when the external thread block 53 is separated from the thread occlusion constraint of the internal thread cylinder 52, the annular elastic body 56 directly elastically presses the abutting arc-shaped plate 55 against the upper and lower sides of the annular abutting groove 43 on the outer side of the periphery of the rotating shaft 4, the final axial and transverse positioning of the rotating shaft 4 is realized, and the transmission performance of the whole rotating shaft 4 is more stable through the elastic abutting mounting structure.
According to the invention, the rotating shaft 4 is convenient to mount and dismount, the rear end of the rotating shaft 4 is directly inserted into the cross-connecting cylinder 22 fixed in the rear end cover 2, then the front end cover 3 is mounted, the driving rod 51 is directly rotated, so that after the external thread block 53 is separated from the thread occlusion constraint of the internal thread cylinder 52, the annular elastic body 56 can directly press the abutting arc-shaped plate 55 on the upper side and the lower side of the annular abutting groove 43 on the outer side of the periphery of the rotating shaft 4 through elasticity, and thus the final axial and transverse positioning of the rotating shaft 4 is realized; when needs are dismantled, at first pulling actuating lever 51 for external screw thread piece 53 reaches the inner port of an internal thread section of thick bamboo 52, then rotatory actuating lever 51 drives external screw thread piece 53 screw thread rotation and gets into inside an internal thread section of thick bamboo 52, so drive the annular butt groove 43 that the butt arc 55 breaks away from axis of rotation 4, annular elastomer 56 is constantly compressed form this moment, then dismantle behind the front end housing 3 directly take out axis of rotation 4 can, so install and dismantle all ten minutes facility.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. A three-phase asynchronous motor is characterized by comprising an outer shell, a front end cover, a rear end cover, a rotating shaft, a cage type rotor, a stator and a positioning assembly; a front end cover and a rear end cover are respectively arranged at the front end and the rear end of the outer shell; the stator is sleeved and fixed on the periphery of the inner wall of the outer shell; the rotating shaft is connected to the inner axle center of the outer shell in a penetrating manner; a cage-shaped rotor is arranged on the rotating shaft; the cage type rotor is positioned at the inner axle center of the stator; the inner end of the rotating shaft is rotatably clamped and installed in the rear end cover; a cooling fan is arranged at the inner end of the rotating shaft; the cooling fan is positioned inside the joint of the outer shell and the rear end cover; a limiting ring body is arranged on the rotating shaft; the outer side of the limiting ring body is abutted against the inner side wall of the front end cover; the outer end of the rotating shaft penetrates through the front end cover and then extends to the outside of the front end cover; the upper part and the lower part of the outer side of the front end cover are respectively provided with a positioning component; the positioning assembly comprises an internal thread cylinder, a driving rod, an external thread block, a clamping rod, an abutting arc-shaped plate and an annular elastic body; the internal thread cylinder is fixedly arranged on the outer side surface of the front end cover; the external thread block is in threaded rotary connection with the inside of the internal thread cylinder and penetrates out of the inner end of the internal thread cylinder in a rotary mode; the outer end of the external thread block is provided with a driving rod, and the inner end of the external thread block is provided with a clamping rod; the outer end of the driving rod extends out of the internal thread cylinder; the inner end of the clamping rod extends to the inner side of the internal thread cylinder, and the inner end of the clamping rod is rotatably clamped with the middle of the outer end of the abutting arc-shaped plate; an annular elastic body is fixedly arranged around the inner end of the internal thread cylinder; the inner end of the annular elastic body is elastically abutted and fixed around the outer end face of the abutting arc-shaped plate; an annular abutting groove is formed in the outer side of the periphery of the rotating shaft; the upper side and the lower side of the annular abutting groove on the outer side of the periphery of the rotating shaft are respectively clamped and abutted by the abutting arc-shaped plates.
2. A three-phase asynchronous motor according to claim 1, characterized in that the maximum diameter of the driving rod and the clamping rod are each smaller than the diameter of the male block.
3. The three-phase asynchronous motor according to claim 1, wherein the upper end of said abutting arc-shaped plate is provided with abutting flanges at the front and the rear thereof, respectively; the lower end of the annular elastic body is elastically abutted and fixed on the abutting convex edge.
4. A three-phase asynchronous motor, according to claim 1, characterized in that said annular abutment grooves are internally coated with a teflon coating.
5. The three-phase asynchronous motor according to claim 1, wherein a positioning rod is respectively arranged at the upper side and the lower side of the interior of the rear end cover; a penetration tube is arranged between the positioning rods; the inner end of the rotating shaft is inserted into the penetration cylinder; an abutting elastic body is arranged in the cross-connecting cylinder; the abutting elastic body elastically abuts against the inner end of the rotating shaft; and a polytetrafluoroethylene coating is arranged in the penetration cylinder.
6. The three-phase asynchronous motor according to claim 1, characterized in that said driving rod is provided at its upper end with a driving knob; a rotary clamping groove is formed in the middle of the upper end of the abutting arc plate; the lower end of the clamping rod is provided with a rotary clamping tooth; the clamping rod is rotatably clamped in the rotary clamping groove in the middle of the upper end of the abutting arc-shaped plate through the rotary clamping teeth at the lower end.
7. The three-phase asynchronous motor according to claim 1, characterized in that said rear end cap is provided with air vents; air vents are uniformly arranged around the front end of the outer shell.
8. A three-phase asynchronous motor according to claim 1, characterized in that the peripheral outer side of said cage-type rotor and the peripheral inner side of said stator are provided with an annular gap.
9. A three-phase asynchronous motor according to claim 1, characterized in that said front and rear end caps are fixedly mounted to the front and rear ends of the outer casing by screws, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010853336.8A CN112072837A (en) | 2020-08-23 | 2020-08-23 | Three-phase asynchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010853336.8A CN112072837A (en) | 2020-08-23 | 2020-08-23 | Three-phase asynchronous motor |
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| Publication Number | Publication Date |
|---|---|
| CN112072837A true CN112072837A (en) | 2020-12-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010853336.8A Pending CN112072837A (en) | 2020-08-23 | 2020-08-23 | Three-phase asynchronous motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112072837A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2652021Y (en) * | 2003-10-16 | 2004-10-27 | 海顿直线电机(常州)有限公司 | Linear electric motor |
| CN105207433A (en) * | 2015-09-28 | 2015-12-30 | 无锡市南方防爆电机有限公司 | Closed type three-phase cage type asynchronous motor |
| CN207588671U (en) * | 2017-12-11 | 2018-07-06 | 常州欧德思电机电器有限公司 | A kind of vibration damping threephase asynchronous machine for motor-driven valve |
| CN207977878U (en) * | 2017-12-15 | 2018-10-16 | 常州市三协电机电器有限公司 | One kind being used for engraving machine high-precision stepper motor |
| CN108768080A (en) * | 2018-06-19 | 2018-11-06 | 张志通 | A kind of shell heat radiation cooling device of new-type motor |
| CN109787394A (en) * | 2017-11-15 | 2019-05-21 | 天津职业技术师范大学 | A kind of driving motor for electric automobile |
| CN110165810A (en) * | 2019-06-19 | 2019-08-23 | 徐州亚泰电机有限公司 | A kind of Endocytic shaft-hole connection type explosion-proof three-phase asynchronous motor |
| CN110513049A (en) * | 2019-08-16 | 2019-11-29 | 江苏和信石油机械有限公司 | A kind of novel hard rock Hob for cutting rock bearing arrangement |
| CN110686297A (en) * | 2019-10-18 | 2020-01-14 | 佛山市顺德区美的洗涤电器制造有限公司 | Motor, fan and lampblack absorber |
-
2020
- 2020-08-23 CN CN202010853336.8A patent/CN112072837A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2652021Y (en) * | 2003-10-16 | 2004-10-27 | 海顿直线电机(常州)有限公司 | Linear electric motor |
| CN105207433A (en) * | 2015-09-28 | 2015-12-30 | 无锡市南方防爆电机有限公司 | Closed type three-phase cage type asynchronous motor |
| CN109787394A (en) * | 2017-11-15 | 2019-05-21 | 天津职业技术师范大学 | A kind of driving motor for electric automobile |
| CN207588671U (en) * | 2017-12-11 | 2018-07-06 | 常州欧德思电机电器有限公司 | A kind of vibration damping threephase asynchronous machine for motor-driven valve |
| CN207977878U (en) * | 2017-12-15 | 2018-10-16 | 常州市三协电机电器有限公司 | One kind being used for engraving machine high-precision stepper motor |
| CN108768080A (en) * | 2018-06-19 | 2018-11-06 | 张志通 | A kind of shell heat radiation cooling device of new-type motor |
| CN110165810A (en) * | 2019-06-19 | 2019-08-23 | 徐州亚泰电机有限公司 | A kind of Endocytic shaft-hole connection type explosion-proof three-phase asynchronous motor |
| CN110513049A (en) * | 2019-08-16 | 2019-11-29 | 江苏和信石油机械有限公司 | A kind of novel hard rock Hob for cutting rock bearing arrangement |
| CN110686297A (en) * | 2019-10-18 | 2020-01-14 | 佛山市顺德区美的洗涤电器制造有限公司 | Motor, fan and lampblack absorber |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201211 |
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| RJ01 | Rejection of invention patent application after publication |