CN112436646B - Permanent magnet motor - Google Patents

Permanent magnet motor Download PDF

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Publication number
CN112436646B
CN112436646B CN202011278898.0A CN202011278898A CN112436646B CN 112436646 B CN112436646 B CN 112436646B CN 202011278898 A CN202011278898 A CN 202011278898A CN 112436646 B CN112436646 B CN 112436646B
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China
Prior art keywords
fixing
heat dissipation
shell
end cover
fixed
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CN202011278898.0A
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Chinese (zh)
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CN112436646A (en
Inventor
李乐东
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Wenling Dongling Motor Co ltd
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Wenling Dongling Motor Co ltd
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Priority to CN202011278898.0A priority Critical patent/CN112436646B/en
Publication of CN112436646A publication Critical patent/CN112436646A/en
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00—Cleaning by methods involving the use of tools
    • B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
    • B08B1/32—Cleaning by methods involving the use of tools by movement of cleaning members over a surface using rotary cleaning members
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
    • H02K5/225—Terminal boxes or connection arrangements
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
    • H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
    • H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Motor Or Generator Cooling System (AREA)

Abstract

The invention provides a permanent magnet motor, which comprises a shell, wherein a base is fixedly arranged on the outer surface of the lower end of the shell, a hanging ring is fixedly arranged at the middle position of the outer surface of the upper end of the shell, a junction box is arranged at the middle position of the upper end of the outer surface of the rear end of the shell, three fixing beams are fixedly arranged on the outer surface of the shell, the three fixing beams are distributed at equal intervals, end covers are movably arranged on two sides of the shell, fixing seats are fixedly arranged on the outer surfaces of the end covers, the number of the fixing seats is three, and the fixing seats and the fixing beams are aligned with each other, so that the end covers can be conveniently mounted and dismounted, the maintenance is convenient, the heat dissipation can be performed on the interior of the motor through the end covers, the heat dissipation efficiency is improved, the heat dissipation holes can be cleaned while the heat dissipation is performed, the heat dissipation holes are prevented from being blocked by dust, and the heat dissipation holes are sealed when the motor is not used, the damage to the heat dissipation fan caused by the fact that insects and mice enter the interior of the heat dissipation cover through the heat dissipation holes is avoided.

Description

Permanent magnet motor
Technical Field
The invention relates to the technical field of motors, in particular to a permanent magnet motor.
Background
The permanent magnet motor adopts a permanent magnet to generate a magnetic field of the motor, does not need an excitation coil or an excitation current, has high efficiency and simple structure, is a good energy-saving motor, and has the advantages of simple structure, reliable operation, small volume, light weight, small loss, high efficiency and the like compared with the traditional electric excitation motor.
In particular, in oil fields and chemical plants, due to poor environment and more dust, the following problems often occur:
1. the outside heat exchanger of motor receives the dust easily and blocks up, influences radiating efficiency, and the motor can creep into biological entering such as some bugs occasionally, and these biology can enter into heat dissipation fan cover inside through the louvre that the heat exchanger was gone up, cause the destruction to the heat dissipation fan. 2. For the fixed of guarantee motor, the motor end cover installation is generally comparatively loaded down with trivial details, and difficult the dismantlement in case the problem appears, inconvenient maintenance.
Disclosure of Invention
The invention aims to provide a permanent magnet motor which is convenient for mounting and dismounting an end cover and maintenance, meanwhile, the inside of the motor can be radiated through the end cover, the radiating efficiency is improved, radiating holes can be cleaned while radiating, the radiating holes are prevented from being blocked by dust, the radiating holes are sealed when the permanent magnet motor is not used, and insects and mice are prevented from entering the inside of a radiating cover from the radiating holes to damage a radiating fan.
The invention provides a permanent magnet motor, which comprises a shell, wherein a base is fixedly arranged on the outer surface of the lower end of the shell, a hanging ring is fixedly arranged in the middle of the outer surface of the upper end of the shell, a junction box is arranged in the middle of the outer surface of the rear end of the shell, three fixing beams are fixedly arranged on the outer surface of the shell, the three fixing beams are distributed at equal intervals, end covers are movably arranged on two sides of the shell, fixing seats are fixedly arranged on the outer surfaces of the end covers, the three fixing seats are aligned with the fixing beams, a fixing bolt is movably arranged between each fixing seat and the corresponding fixing beam, a fan cover is sleeved on the outer surface of the end cover on one side, first fixing holes are formed in the outer surface of the fan cover, the number of the first fixing holes is three, and the first fixing holes correspond to the fixing seats, a movable groove is formed in the middle of the outer surface of one side of the fan housing, first heat dissipation holes are formed in the periphery, located on the periphery of the movable groove, of the outer surface of one side of the fan housing, a rotating shaft penetrates through the interior of the shell, a stator is movably mounted in the shell, a rotor is movably mounted in the stator, a heat dissipation fan is movably mounted on the outer surface of one side of the end cover, a second fixing hole is formed in the outer surface of one end, away from the end cover, of a fixing seat on the end cover, and a third fixing hole is formed in the outer surface of one side, away from the shell, of the fixing seat;
the one end fixed mounting that fixing bolt kept away from the casing has the bolt cap, the radiating groove has been seted up to fixing bolt's surface, the position that the one side surface that the bolt cap is close to fixing bolt corresponds the radiating groove has been seted up the drainage groove, and the surface of bolt cap has been seted up the ventilation groove, the internal surface of end cover corresponds the position of fixing base and has been seted up the circulation wind gap.
Preferably, the inside movable mounting of activity groove has the movable rod, and one side fixed mounting of movable rod has the pull ring, the opposite side fixed mounting of movable rod has clean board, one side fixed surface of clean board installs the head, and the opposite side fixed surface intermediate position fixed mounting of clean board has the fixed sleeve, one side fixed surface of pivot installs clamping screw, the second louvre has been seted up to the surface of clean board.
Before the motor is operated, the movable rod is pushed towards the interior of the fan housing along the movable groove through the pull ring, the cleaning plate moves along the movable rod, the fixed sleeve is butted with the fixed screw rod on the rotating shaft, the movable rod is rotated through the pull ring, the fixed sleeve is connected with the fixed screw rod through the rotating screw thread along with the movable rod, then the motor is operated, the rotating shaft rotates to drive the fixed screw rod to rotate, so that the cleaning plate is driven to rotate through the fixed sleeve, a seal head on the cleaning plate is used for cleaning a first heat dissipation hole on the fan housing, the first heat dissipation hole is prevented from being blocked by dust to influence heat dissipation, meanwhile, a second heat dissipation hole is formed in the cleaning plate, the blocking influence of the cleaning plate on airflow is greatly reduced, when the motor stops working, the cleaning plate is reversely rotated through the pull ring, the fixed sleeve is separated from the fixed screw rod, and then the cleaning plate is outwards stretched through the pull ring, make the head on the cleaning plate align with the first louvre on the fan housing to make the head run through in the inside of first louvre, close first louvre, avoid the worm and mouse to get into the inside damage to the heat dissipation fan of heat dissipation cover by the louvre, the rings of motor casing surface are used for lifting by crane the transportation to the motor, and the terminal box is used for being connected external circuit and motor, and it can to fix through the frame of casing lower extreme during the motor installation.
Preferably, the fixing screw penetrates through the inside of the fixing sleeve and is in threaded connection with the fixing sleeve, and the seal head is made of sponge materials.
Rotate the movable rod through the pull ring, the fixed sleeve follows the movable rod and rotates threaded connection and be connected with clamping screw on clamping screw, later operation motor, the pivot is rotated and is driven clamping screw and rotate to drive the cleaning plate through the fixed sleeve and rotate, utilize the head on the cleaning plate to clear up the first louvre on the fan housing, avoid first louvre to receive the dust to block up and influence the heat dissipation, the head of sponge material is ensured can not lead to the fact destruction to first louvre in clean process.
Preferably, the number of the end sockets is the same as that of the first heat dissipation holes, and the end sockets penetrate through the inside of the first heat dissipation holes.
The end socket penetrates through the inside of the first heat dissipation hole to close the first heat dissipation hole, so that insects and mice are prevented from entering the inside of the heat dissipation cover through the heat dissipation hole to damage the heat dissipation fan.
Preferably, the diameter of the pull ring is larger than that of the movable groove.
The pull ring is prevented from penetrating into the fan housing along with the movable rod and being unable to be taken out.
Preferably, the outer surface of casing is blade corrugate, the pivot runs through respectively in end cover, heat dissipation fan and rotor, swing joint between pivot and the end cover, fixed connection between pivot and heat dissipation fan and the rotor.
The rotating shaft drives the rotor to rotate and the stator to rotate relatively, so that magnetic force is generated, the end cover is used for protecting the rotor and the stator, and the rotating shaft drives the heat dissipation fan to rotate to form airflow, so that high temperature generated when the motor works is taken away through the airflow.
Advantageous effects
1. When the motor is installed, the stator is fixed on the inner surface of the shell, the rotor penetrates through the stator, the end covers penetrate through the rotating shaft from two sides of the shell to be attached to the shell, the fixing seats on the end covers are aligned with the fixing beams on the shell, the fixing bolts penetrate into the third fixing holes, the fixing seats and the fixing beams are fixed through the fixing bolts, so that the end covers and the shell are fixed, the stable connection between the end covers and the shell is ensured through the fixation of the three points in a triangular mode, the number of the fixing bolts is greatly reduced, the end covers are convenient to disassemble and maintain, meanwhile, the heat dissipation grooves are formed in the surfaces of the fixing bolts, the fixing bolts penetrate into the third fixing holes and then are communicated with the circulating air ports and matched with the drainage grooves and the ventilation grooves on the bolt caps to form heat dissipation air ducts, when the motor runs, the rotating shaft drives the heat dissipation fan to rotate to generate air flow, external air enters the drainage grooves from the ventilation grooves on the fixing seat on one side far away from the heat dissipation fan, enters the heat dissipation grooves through the drainage grooves, finally enters the inner part of the end cover through the heat dissipation grooves and the circulating air port, then air flow passes through the inner part of the shell, carries the high temperature in the shell to the end cover on one side, and is discharged through the circulating air channel formed by the circulating air port, the ventilation grooves, the drainage grooves and the heat dissipation grooves, and compared with the traditional heat dissipation from the outside, the heat dissipation speed is improved by heat dissipation from the inner part of the motor;
2. before the motor runs, the movable rod is pushed towards the interior of the fan housing along the movable groove through the pull ring, the cleaning plate moves along the movable rod, the fixed sleeve is butted with the fixed screw rod on the rotating shaft, the movable rod is rotated through the pull ring, the fixed sleeve is connected with the fixed screw rod through the fixed sleeve and is connected with the fixed screw rod through the movable rod rotating thread, then the motor runs, the rotating shaft rotates to drive the fixed screw rod to rotate, the cleaning plate is driven to rotate through the fixed sleeve, a sealing head on the cleaning plate is used for cleaning a first heat dissipation hole on the fan housing, the first heat dissipation hole is prevented from being blocked by dust, heat dissipation is prevented from being influenced, meanwhile, a second heat dissipation hole is formed in the cleaning plate, and the influence of airflow blocked by the cleaning plate is greatly reduced;
3. when the motor stops working, utilize pull ring antiport to clean the board, make fixed sleeve and clamping screw break away from, then utilize the pull ring to outwards stretch the cleaning board, make the head on the cleaning board align with the first radiating hole on the fan housing, and make the head run through in the inside of first radiating hole, close first radiating hole, avoid the worm mouse to get into the inside damage to the cooling fan of cooling jacket by the radiating hole, the rings of motor casing surface are used for lifting by crane the transportation to the motor, the terminal box is used for being connected external circuit and motor, it can to fix through the frame of casing lower extreme during the motor installation.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an internal structural view of the present invention;
FIG. 3 is a schematic view of the end cap construction of the present invention;
FIG. 4 is a schematic view of the fixing bolt of the present invention;
FIG. 5 is a view of the fan casing in combination with the cleaning plate of the present invention;
FIG. 6 is a schematic diagram of a cleaning plate structure according to the present invention.
Description of reference numerals:
1. a housing; 2. a machine base; 3. a hoisting ring; 4. a junction box; 5. a fixed beam; 6. an end cap; 7. A fixed seat; 8. fixing the bolt; 9. a fan housing; 10. a first fixing hole; 11. a movable groove; 12. a first heat dissipation hole; 13. a rotating shaft; 14. a heat dissipation fan; 15. a stator; 16. a rotor; 17. a second fixing hole; 18. a third fixing hole; 19. a bolt cap; 20. a heat sink; 21. a drainage groove; 22. a ventilation slot; 23. Fixing the screw rod; 24. a movable rod; 25. a pull ring; 26. cleaning the plate; 27. fixing the sleeve; 28. sealing the end; 29. a second heat dissipation hole; 30. and (4) circulating air ports.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 6, the present invention provides a technical solution:
a permanent magnet motor comprises a shell 1, wherein a base 2 is fixedly arranged on the outer surface of the lower end of the shell 1, a hanging ring 3 is fixedly arranged on the middle position of the outer surface of the upper end of the shell 1, a junction box 4 is arranged on the middle position of the outer surface of the rear end of the shell 1, fixing beams 5 are fixedly arranged on the outer surface of the shell 1, the number of the fixing beams 5 is three, the three fixing beams 5 are distributed in an equidistant mode, end covers 6 are movably arranged on two sides of the shell 1 respectively, fixing seats 7 are fixedly arranged on the outer surfaces of the end covers 6, the number of the fixing seats 7 is three, the fixing seats 7 are aligned with the fixing beams 5, fixing bolts 8 are movably arranged between the fixing seats 7 and the fixing beams 5, a fan housing 9 is sleeved on the outer surface of the end cover 6 on one side, and a first fixing hole 10 is formed in the outer surface of the fan housing 9, the number of the first fixing holes 10 is three, the first fixing holes 10 correspond to the fixing seats 7, a movable groove 11 is formed in the middle position of the outer surface of one side of the fan housing 9, first heat dissipation holes 12 are formed in the periphery, located on the periphery of the movable groove 11, of the outer surface of one side of the fan housing 9, a rotating shaft 13 penetrates through the interior of the shell 1, a stator 15 is movably mounted in the shell 1, a rotor 16 is movably mounted in the stator 15, a heat dissipation fan 14 is movably mounted on the outer surface of one side of the end cover 6, a second fixing hole 17 is formed in the outer surface of one end, away from the end cover 6, of the fixing seat 7 on one side of the end cover 6, and a third fixing hole 18 is formed in the outer surface of one side, away from the shell 1, of the fixing seat 7;
a bolt cap 19 is fixedly installed at one end, far away from the shell 1, of the fixing bolt 8, a heat dissipation groove 20 is formed in the outer surface of the fixing bolt 8, a drainage groove 21 is formed in the position, corresponding to the heat dissipation groove 20, of the outer surface of one side, close to the fixing bolt 8, of the bolt cap 19, a ventilation groove 22 is formed in the outer surface of the bolt cap 19, and a circulating air port 30 is formed in the position, corresponding to the fixing seat 7, of the inner surface of the end cover 6;
by adopting the technical scheme, during installation, the stator 15 is fixed on the inner surface of the shell 1, then the rotor 16 penetrates through the stator 15, then the end cover 6 penetrates through the rotating shaft 13 from the two sides of the shell 1 to be attached to the shell 1, the fixed seat 7 on the end cover 6 is aligned with the fixed beam 5 on the shell 1, then the fixed bolt 8 penetrates into the third fixed hole 18, the fixed seat 7 and the fixed beam 5 are directly descended and fixed through the fixed bolt 8, thus the fixation between the end cover 6 and the shell 1 is completed, the fixation between the end cover 6 and the shell 1 is ensured to be stably connected through the three points of triangle fixation, the number of the fixed bolts 8 is greatly reduced, the end cover 6 is convenient to disassemble and maintain, meanwhile, the heat dissipation grooves 20 are formed on the surface of the fixed bolts 8, after the fixed bolts 8 penetrate into the third fixed hole 18, the fixed bolts are communicated with the circulating air port 30, and the heat dissipation air duct is formed by matching with the drainage grooves 21 on the bolt cap 19 and the ventilation grooves 22, when the motor operates, the rotating shaft 13 rotates to drive the heat dissipation fan 14 to rotate to generate air flow, outside air enters the drainage groove 21 from the ventilation groove 22 on the fixing seat 7 on one side far away from the heat dissipation fan 14 and enters the heat dissipation groove 20 through the drainage groove 21, finally the outside air enters the end cover 6 through the heat dissipation groove 20 through the circulating air opening 30, then the air flow passes through the inside of the shell 1, the inside high temperature of the shell 1 is carried to the end cover 6 on one side, and the outside heat dissipation is compared with the traditional circulating air duct formed by the circulating air opening 30, the ventilation groove 22, the drainage groove 21 and the heat dissipation groove 20, and the heat dissipation speed is improved through the inside heat dissipation of the motor.
As an embodiment of the present invention, as shown in fig. 5 and 6, a movable rod 24 is movably installed inside the movable slot 11, a pull ring 25 is fixedly installed on one side of the movable rod 24, a cleaning plate 26 is fixedly installed on the other side of the movable rod 24, a sealing head 28 is fixedly installed on the outer surface of one side of the cleaning plate 26, the number of the sealing heads 28 is the same as that of the first heat dissipation holes 12, the sealing heads 28 penetrate through the first heat dissipation holes 12, the diameter of the pull ring 25 is larger than that of the movable slot 11, before the motor operates, the movable rod 24 is pushed towards the inside of the fan housing 9 along the movable slot 11 by the pull ring 25, the cleaning plate 26 moves along the movable rod 24, so that the fixed sleeve 27 is abutted with the fixed screw 23 on the rotating shaft 13, the movable rod 24 is rotated by the pull ring 25, the fixed sleeve 27 is connected to the fixed screw 23 by rotating thread following the movable rod 24 and is connected to the fixed screw 23, then the motor is operated, the rotating shaft 13 rotates to drive the fixing screw 23 to rotate, so that the cleaning plate 26 is driven to rotate through the fixing sleeve 27, the first heat dissipation holes 12 in the fan housing 9 are cleaned by the seal heads 28 on the cleaning plate 26, the first heat dissipation holes 12 are prevented from being blocked by dust to influence heat dissipation, meanwhile, the second heat dissipation holes 29 are formed in the cleaning plate 26, and the blocking influence of the cleaning plate 26 on airflow is greatly reduced.
As an embodiment of the present invention, as shown in fig. 6, a fixing sleeve 27 is fixedly installed at a middle position of an outer surface of the other side of the cleaning plate 26, a fixing screw 23 is fixedly installed at an outer surface of one side of the rotating shaft 13, a second heat dissipation hole 29 is formed in an outer surface of the cleaning plate 26, the fixing screw 23 penetrates through an inside of the fixing sleeve 27 and is in threaded connection with the fixing sleeve 27, the sealing head 28 is made of a sponge material, when the motor stops working, the cleaning plate 26 is reversely rotated by using a pull ring 25 to separate the fixing sleeve 27 from the fixing screw 23, then the cleaning plate 26 is outwardly stretched by using the pull ring 25 to align the sealing head 28 on the cleaning plate 26 with the first heat dissipation hole 12 on the fan housing 9, and the sealing head 28 penetrates through an inside of the first heat dissipation hole 12 to close the first heat dissipation hole 12, so as to prevent a pest and mouse from entering the inside of the heat dissipation housing to damage the heat dissipation fan 14, the hoisting ring 3 on the outer surface of the motor shell 1 is used for hoisting and transporting the motor, the junction box 4 is used for connecting an external circuit with the motor, and the motor can be installed by fixing the base 2 at the lower end of the shell 1.
The working principle is as follows: during installation, the stator 15 is fixed on the inner surface of the shell 1, the rotor 16 penetrates through the stator 15, the end cover 6 penetrates through the rotating shaft 13 from the two sides of the shell 1 to be attached to the shell 1, the fixing seat 7 on the end cover 6 is aligned with the fixing beam 5 on the shell 1, then the fixing bolt 8 penetrates through the third fixing hole 18, the fixing seat 7 and the fixing beam 5 are fixed through the fixing bolt 8 in a straight descending manner, so that the fixing between the end cover 6 and the shell 1 is completed, the stable connection between the end cover 6 and the shell 1 is ensured through the three-point triangular fixing, the number of the fixing bolts 8 is greatly reduced, the end cover 6 is convenient to disassemble and maintain, meanwhile, the heat dissipation groove 20 is formed in the surface of the fixing bolt 8, the fixing bolt 8 is communicated with the circulating air port 30 after penetrating through the third fixing hole 18, and forms a heat dissipation air duct by matching with the drainage groove 21 on the bolt cap 19 and the ventilation groove 22, when the motor operates, the rotating shaft 13 rotates to drive the heat dissipation fan 14 to rotate to generate air flow, external air enters the drainage groove 21 from the ventilation groove 22 on the fixed seat 7 on the side far away from the heat dissipation fan 14, enters the heat dissipation groove 20 through the drainage groove 21, finally enters the end cover 6 from the heat dissipation groove 20 through the circulating air opening 30, then passes through the inside of the shell 1, carries the high temperature inside the shell 1 to the end cover 6 on one side, and is discharged through the circulating air duct formed by the circulating air opening 30, the ventilation groove 22, the drainage groove 21 and the heat dissipation groove 20, compared with the traditional heat dissipation from the outside, the heat dissipation speed is improved by dissipating heat from the inside of the motor, then the heat dissipation fan 14 is installed on one side of the outer surface of the rotating shaft 13, and the fan housing 9 is sleeved on the outer surface of the end cover 6 on one side, so that the first fixing hole 10 on the fan housing 9 is aligned with the second fixing hole 17 on the fixed seat 7, and a bolt penetrates through the space between the fan housing 9 and the end cover 6, before the motor is operated, the movable rod 24 is pushed towards the interior of the fan housing 9 along the movable groove 11 through the pull ring 25, the cleaning plate 26 moves along the movable rod 24, so that the fixed sleeve 27 is in butt joint with the fixed screw 23 on the rotating shaft 13, the movable rod 24 is rotated through the pull ring 25, the fixed sleeve 27 is in threaded connection with the fixed screw 23 along with the rotation of the movable rod 24 to be connected with the fixed screw 23, then the motor is operated, the rotating shaft 13 rotates to drive the fixed screw 23 to rotate, the cleaning plate 26 is driven to rotate through the fixed sleeve 27, the first heat dissipation hole 12 on the fan housing 9 is cleaned through the seal head 28 on the cleaning plate 26, the first heat dissipation hole 12 is prevented from being blocked by dust to influence heat dissipation, meanwhile, the second heat dissipation hole 29 is formed in the cleaning plate 26, the air flow is greatly reduced from being blocked by the cleaning plate 26, when the motor stops working, the cleaning plate 26 is reversely rotated by the pull ring 25, make fixed sleeve 27 and clamping screw 23 break away from, then utilize pull ring 25 to outwards stretch cleaning plate 26, make head 28 on the cleaning plate 26 align with first louvre 12 on the fan housing 9, and make head 28 run through in the inside of first louvre 12, close first louvre 12, avoid the worm and mouse to get into the inside damage to heat dissipation fan 14 of heat dissipation cover by the louvre, rings 3 of motor casing 1 surface are used for lifting by crane the transportation to the motor, terminal box 4 is used for being connected external circuit and motor, it can to fix through frame 2 of casing 1 lower extreme during the motor installation.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (5)

1. The utility model provides a permanent magnet motor, includes casing (1), its characterized in that, the lower extreme surface fixed mounting of casing (1) has frame (2), and the upper end surface intermediate position fixed mounting of casing (1) has rings (3), the rear end surface upper end intermediate position of casing (1) is equipped with terminal box (4), the surface fixed mounting of casing (1) has fixed beam (5), the quantity of fixed beam (5) is three, three fixed beam (5) are the equidistance and distribute, the equal movable mounting in both sides of casing (1) has end cover (6), and the surface fixed mounting of end cover (6) has fixing base (7), the quantity of fixing base (7) is three, and fixing base (7) and fixed beam (5) align each other, movable mounting has fixing bolt (8) between fixing base (7) and fixed beam (5), the outer surface of the end cover (6) at one side is sleeved with a fan housing (9), the outer surface of the fan housing (9) is provided with a first fixing hole (10), the number of the first fixing holes (10) is three, the first fixing holes (10) correspond to the fixing seats (7), the middle position of the outer surface at one side of the fan housing (9) is provided with a movable groove (11), the outer surface at one side of the fan housing (9) is positioned at the periphery of the movable groove (11) and is provided with a first heat dissipation hole (12), a rotating shaft (13) penetrates through the shell (1), the shell (1) is movably provided with a stator (15), the stator (15) is movably provided with a rotor (16), the outer surface at one side of the end cover (6) is movably provided with a heat dissipation fan (14), the outer surface of the end, far away from the end cover (6), of the fixing seat (7) on one side of the end cover (6) is provided with a second fixing hole (17), a third fixing hole (18) is formed in the outer surface of one side, away from the shell (1), of the fixing seat (7);
a bolt cap (19) is fixedly mounted at one end, far away from the shell (1), of the fixing bolt (8), a heat dissipation groove (20) is formed in the outer surface of the fixing bolt (8), a drainage groove (21) is formed in the position, corresponding to the heat dissipation groove (20), of the outer surface of one side, close to the fixing bolt (8), of the bolt cap (19), a ventilation groove (22) is formed in the outer surface of the bolt cap (19), and a circulating air port (30) is formed in the position, corresponding to the fixing seat (7), of the inner surface of the end cover (6);
the utility model discloses a cleaning device, including activity groove (11), one side fixed mounting has pull ring (25), the inside movable mounting of activity groove (11) has movable rod (24), and one side fixed mounting of movable rod (24) has cleaning plate (26), one side fixed surface of cleaning plate (26) installs head (28), and the opposite side surface intermediate position fixed mounting of cleaning plate (26) has fixed sleeve (27), one side fixed surface of pivot (13) installs clamping screw (23), second louvre (29) have been seted up to the surface of cleaning plate (26).
2. The permanent magnet motor according to claim 1, wherein the fixing screw (23) penetrates through the fixing sleeve (27) and is in threaded connection with the fixing sleeve (27), and the end socket (28) is made of sponge.
3. The permanent magnet motor according to claim 1, wherein the number of the end sockets (28) is the same as that of the first heat dissipation holes (12), and the end sockets (28) penetrate through the first heat dissipation holes (12).
4. A permanent magnet machine according to claim 1, characterized in that the diameter of the pull ring (25) is larger than the diameter of the active slot (11).
5. The permanent magnet motor according to claim 1, wherein the outer surface of the housing (1) is corrugated, the rotating shaft (13) penetrates through the end cover (6), the heat dissipation fan (14) and the rotor (16) respectively, the rotating shaft (13) is movably connected with the end cover (6), and the rotating shaft (13) is fixedly connected with the heat dissipation fan (14) and the rotor (16).
CN202011278898.0A 2020-11-16 2020-11-16 Permanent magnet motor Active CN112436646B (en)

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CN113036985B (en) * 2021-03-15 2022-08-30 大庆采艺技术开发有限公司 Electromagnetic braking three-phase asynchronous motor
CN113937938A (en) * 2021-12-16 2022-01-14 广东常明机电有限公司 Motor convenient to clearance
CN116613923B (en) * 2023-07-20 2023-09-29 昆山美仑工业样机有限公司 Self-cleaning permanent magnet synchronous motor main shell of heat dissipation air duct
CN117254641B (en) * 2023-08-28 2024-06-11 浙江盖亚驱动技术有限公司 Permanent magnet synchronous motor dragging device for motor transformation

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