CN111934467A - Load-reducing asynchronous motor - Google Patents

Load-reducing asynchronous motor Download PDF

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Publication number
CN111934467A
CN111934467A CN202010853346.1A CN202010853346A CN111934467A CN 111934467 A CN111934467 A CN 111934467A CN 202010853346 A CN202010853346 A CN 202010853346A CN 111934467 A CN111934467 A CN 111934467A
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CN
China
Prior art keywords
rear end
end cover
rotating
outer shell
periphery
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Pending
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CN202010853346.1A
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Chinese (zh)
Inventor
吴领平
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Jiangsu Meibang Motor Technology Co ltd
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Jiangsu Meibang Motor Technology Co ltd
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Priority to CN202010853346.1A priority Critical patent/CN111934467A/en
Publication of CN111934467A publication Critical patent/CN111934467A/en
Pending legal-status Critical Current

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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
    • 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 discloses a load-reducing asynchronous motor which is characterized by comprising an outer shell, a front end cover, a rear end cover, a rotating shaft, a stator, a splicing linkage mechanism and a rear end cover driving mechanism, wherein the front end cover is arranged on the outer shell; the internal shifting toothed plate is linked in a toothed plate meshing mode, the minimum distance of the control rotating clearance is larger than the thickness of the internal shifting toothed plate, so that a certain rotating space is formed in the rotating clearance of the internal shifting toothed plate, the position of the internal shifting toothed plate slightly deviates after the rotating shaft is worn, the internal shifting toothed plate with the slightly deviating position can be inserted into the rotating clearance due to the fact that the distance of the rotating clearance is large, and the structure is high in polytropy resistance.

Description

Load-reducing asynchronous motor
Technical Field
The invention relates to a load-reducing asynchronous motor.
Background
The asynchronous motor is one of induction motors, is a motor powered by simultaneously accessing 380V 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 and 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; for the convenience of heat dissipation in the axis of rotation of current motor, all can be at the rear end installation radiating fin of axis of rotation, can drive radiating fin when the axis of rotation is rotatory together, so the axis of rotation can load radiating fin always and rotate, but under the less condition of axis of rotation load, it does not need radiating fin to blow radiating under the good condition of the condition of generating heat, the axis of rotation still drives radiating fin rotation always under this condition really is an extra load, the load of motor has been increased, so need develop a motor that can carry out radiating fin and open and close according to actual demand.
Disclosure of Invention
Aiming at the defects of the prior art, the invention solves the problems that: the motor has strong structure variability resistance and can be used for judging whether the radiating blades are opened or closed according to actual requirements.
In order to solve the problems, the technical scheme adopted by the invention is as follows:
a load-reducing asynchronous motor is characterized by comprising an outer shell, a front end cover, a rear end cover, a rotating shaft, a stator, a plug-in linkage mechanism and a rear end cover driving mechanism; a front end cover is fixedly arranged at the front end of the outer shell; the stator is arranged on the periphery of the inside 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 outer side of the periphery of the rotating shaft and is positioned in the coaxial inner part of the stator; the front end of the rotating shaft penetrates through the front end cover and extends out; a porous plate is arranged inside the rear end of the outer shell; the rear end of the rotating shaft penetrates through the center of the porous plate and extends out; two ends of the rotating shaft are respectively and rotatably provided with a connecting ring body; the connecting ring body is fixedly arranged at the center of the inner side of the front end cover and the center of the inner side of the porous plate respectively; the periphery of the rear end cover is provided with a ventilation opening; a sleeving ring body is arranged around the inner end of the rear end cover; an inner core ring body is arranged on the outer side of the periphery of the rear end of the outer shell; the rear end cover is slidably sleeved on the inner core ring body on the outer side of the periphery of the rear end of the outer shell body through the sleeving ring body on the periphery of the inner end; the upper side and the lower side of the outer shell and the rear end cover are respectively provided with a rear end cover driving mechanism; the rear end cover driving mechanism drives the sleeving ring body to slide outside the inner core ring body; the splicing linkage mechanism comprises an inner core block, an inner shifting toothed plate, an outer sleeve connecting ring, an outer shifting toothed plate, a rotating block and a radiating blade; the rear end of the rotating shaft is provided with an inner core block; a plurality of inner toggle toothed plates are uniformly arranged on the radial periphery of the outer side of the inner core block; the outer end of the rotating block is rotatably clamped in the center of the inner side of the rear end cover; a plurality of radiating blades are uniformly distributed and installed on the outer side of the periphery of the rotating block; an outer sleeve connecting ring is arranged at the inner end of the rotating block; a plurality of outer poking toothed plates are uniformly arranged on the radial periphery of the inner side of the outer sleeve connecting ring; a rotating gap is formed between the adjacent outer poking toothed plates; the minimum distance of the rotating gap is larger than the thickness of the inner stirring tooth plate; the rotating clearance of the outer shifting toothed plate is sleeved or separately connected with the inner shifting toothed plate.
Furthermore, the outer end of the rotating block is provided with a rotary clamping tooth; a rotary clamping groove is formed in the center of the inner side of the rear end cover; the turning block is rotationally clamped on a rotary clamping groove in the center of the inner side of the rear end cover through rotary clamping teeth at the outer end.
Furthermore, an adjusting groove is communicated with the outer side of the rotary clamping groove in the center of the inner side of the rear end cover; a driving handle is arranged on the outer side of the rotary clamping tooth; the driving handle is positioned in the adjusting groove.
Further, the rear end cover driving mechanism comprises a threaded cylinder, a driving screw and a positioning block; the upper side and the lower side of the sleeve ring body of the rear end cover are respectively provided with a threaded cylinder; the thread cylinders are internally and respectively in threaded connection with a driving screw; the upper side and the lower side of the rear end of the outer shell are respectively provided with a positioning block; the driving screw is rotationally clamped on the positioning block.
Furthermore, a plurality of uniformly distributed heat dissipation air channels are arranged inside the outer shell; one end of the heat dissipation air channel extends to the outer side face of the front end of the outer shell, and the other end of the heat dissipation air channel extends to the inner side face of the rear end of the outer shell.
Furthermore, annular gaps are formed between the inner side of the periphery of the stator and the outer side of the periphery of the cage-shaped rotor.
The invention has the advantages of
1. The rear end cover is connected with the inner core ring body on the outer side of the periphery of the rear end of the outer shell in a sliding mode through the sleeving ring body on the periphery of the inner end, the radiating blades are connected with the inner part of the rear end cover in a rotating mode instead of being fixed on the rotating shaft in a traditional mode, meanwhile, the rear end of the outer shell is additionally provided with the porous plate used for installing the rear end of the rotating shaft, and therefore when the rear end cover slides on the rear end of the outer shell, the rotating gap of the outer shifting toothed plate is driven to be sleeved or connected to the inner shifting toothed plate in a separating mode, whether the radiating blades are in linkage with the rotating shaft or not is achieved, and whether the radiating blades are controlled to rotate or not can be determined according to actual conditions.
2. When the rear end cover slides at the rear end of the outer shell, the rear end cover firstly drives the rotating block, the radiating blades, the outer sleeve connecting ring and the outer shifting toothed plate to move forwards until the inner end of the outer shifting toothed plate is contacted with the outer end of the inner shifting toothed plate, then the rotating driving handle drives the rotating block, the outer sleeve connecting ring and the outer shifting toothed plate to rotate, so that the rotating gap of the outer shifting toothed plate is aligned with the inner shifting toothed plate, and then the rear end cover is driven to slide at the rear end of the outer shell again, so that an occlusion connection structure of the outer shifting toothed plate and the inner shifting toothed plate is formed, and the linkage of the rotating shaft, the rotating block and the radiating blades is realized.
3. The internal shifting toothed plate is linked in a toothed plate meshing mode, the minimum distance of the control rotating clearance is larger than the thickness of the internal shifting toothed plate, so that a certain rotating space is formed in the rotating clearance of the internal shifting toothed plate, the position of the internal shifting toothed plate slightly deviates after the rotating shaft is worn, the internal shifting toothed plate with the slightly deviating position can be inserted into the rotating clearance due to the fact that the distance of the rotating clearance is large, and the structure is high in polytropy resistance.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view showing a structure in which a rotary block is separated from a rotary shaft according to the present invention.
Fig. 3 is a schematic structural diagram of the butt joint of the rotating block and the rotating shaft.
Fig. 4 is a schematic structural view of the inner core block, the inner toggle tooth plate, the outer sleeve connecting ring and the outer toggle tooth plate after being spliced.
Fig. 5 is a schematic structural view of the occlusion drive of fig. 4 of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 5, a load-reducing asynchronous motor includes an outer housing 1, a front end cover 5, a rear end cover 6, a rotating shaft 2, a stator 4, a plug-in linkage mechanism 7, and a rear end cover driving mechanism 3; a front end cover 5 is fixedly arranged at the front end of the outer shell 1; the stator 4 is arranged on the periphery of the inside of the outer shell 1; the rotating shaft 2 is connected with the inner axle center of the outer shell 1 in a penetrating way; a cage-shaped rotor 13 is arranged on the outer side of the periphery of the rotating shaft 2, and the cage-shaped rotor 13 is positioned in the coaxial inner part of the stator 4; the front end of the rotating shaft 2 penetrates through the front end cover 5 and extends out; a porous plate 12 is arranged inside the rear end of the outer shell 1; the rear end of the rotating shaft 2 is penetrated in the center of the perforated plate 12 and extends out; two ends of the rotating shaft 2 are respectively and rotatably provided with a connecting ring body 21; the connecting ring body 21 is fixedly arranged at the center of the inner side of the front end cover 5 and the center of the inner side of the porous plate 12 respectively; the periphery of the rear end cover 6 is provided with a ventilation opening 62; a sleeving ring body 61 is arranged around the inner end of the rear end cover 6; an inner core ring body 14 is arranged on the outer side of the periphery of the rear end of the outer shell 1; the rear end cover 6 is slidably sleeved on the inner core ring body 14 on the outer side of the periphery of the rear end of the outer shell 1 through the sleeving ring body 61 on the periphery of the inner end; the upper side and the lower side of the outer shell 1 and the rear end cover 6 are respectively provided with a rear end cover driving mechanism 3; the rear end cover driving mechanism 3 drives the sleeving ring body 61 to slide outside the inner core ring body 14; the splicing linkage mechanism 7 comprises an inner core block 71, an inner toggle tooth plate 73, an outer sleeve connecting ring 72, an outer toggle tooth plate 78, a rotating block 74 and a heat dissipation blade 77; the rear end of the rotating shaft 2 is provided with an inner core block 71; a plurality of inner toggle tooth plates 73 are uniformly arranged on the radial periphery of the outer side of the inner core block 71; the outer end of the turning block 74 is rotationally clamped in the center of the inner side of the rear end cover 6; a plurality of radiating blades 77 are uniformly distributed and installed on the outer side of the periphery of the rotating block 74; the inner end of the rotating block 74 is provided with an outer sleeve connecting ring 72; a plurality of outer toggle toothed plates 78 are uniformly arranged on the radial periphery of the inner side of the outer sleeve connecting ring 72; a rotating gap 79 is formed between the adjacent outer toggle tooth plates 78; the minimum distance of the rotating gap 79 is larger than the thickness of the inner toggle tooth plate 73; the rotating gap 79 of the outer toggle tooth plate 78 is sleeved or separately connected to the inner toggle tooth plate 73.
As shown in fig. 1 to 5, it is further preferable that the outer end of the turning block 74 is provided with a rotary snap tooth 75; a rotary clamping groove 63 is formed in the center of the inner side of the rear end cover 6; the turning block 74 is rotatably clamped in the rotating clamping groove 63 at the center of the inner side of the rear end cover 6 through the rotating clamping teeth 75 at the outer end. More preferably, an adjusting groove 64 is communicated with the outer side of the rotary clamping groove 63 in the center of the inner side of the rear end cover 6; a driving handle 76 is arranged on the outer side of the rotary clamping tooth 75; the drive handle 76 is located within the adjustment slot 64. Further preferably, the rear end cap driving mechanism 3 includes a threaded cylinder 31, a driving screw 32, and a positioning block 33; the upper side and the lower side of the sleeve ring body 61 of the rear end cover 6 are respectively provided with a thread cylinder 31; a driving screw 32 is respectively connected in the threaded barrel 31 in a threaded manner; the upper side and the lower side of the rear end of the outer shell 1 are respectively provided with a positioning block 33; the driving screw 32 is rotatably clamped on the positioning block 33. More preferably, a plurality of uniformly distributed heat dissipation ventilation slots 1 are arranged inside the outer shell 1; one end of the heat dissipation air channel 11 extends to the outer side face of the front end of the outer shell 1, and the other end of the heat dissipation air channel 11 extends to the inner side face of the rear end of the outer shell 1. Further, an annular gap is formed between the inner side of the periphery of the stator 4 and the outer side of the periphery of the cage-shaped rotor 13.
The rear end cover 6 is slidably sleeved on the inner core ring body 14 on the outer side of the periphery of the rear end of the outer shell 1 through the sleeving ring body 61 on the periphery of the inner end, the rear end cover 6 is further changed from being fixed on the rotating shaft 2 in the prior art into being rotatably connected to the inside of the rear end cover 6, meanwhile, the rear end of the outer shell 1 is additionally provided with the porous plate 12 for mounting the rear end of the rotating shaft, so that the rotating gap 79 of the outer toggle toothed plate 78 is driven to be sleeved or separately connected to the inner toggle toothed plate 73 when the rear end cover 6 slides on the rear end of the outer shell 1, and whether the radiating blade 77 is linked with the rotating shaft 2 or not is realized, and whether the radiating blade is controlled to rotate or not can be determined according to actual conditions.
When the rear end cover 6 slides at the rear end of the outer shell, the rear end cover 6 firstly drives the rotating block 74, the radiating vanes 77, the outer sleeve connecting ring 72 and the outer toggle tooth plate 78 to move forwards until the inner end of the outer toggle tooth plate 78 contacts the outer end of the inner toggle tooth plate 73, then the rotating driving handle 76 drives the rotating block 74, the outer sleeve connecting ring 72 and the outer toggle tooth plate 78 to rotate, so that the rotating gap 79 of the outer toggle tooth plate 78 is aligned with the inner toggle tooth plate 73, and then the rear end cover 6 is driven to slide at the rear end of the outer shell 1 again, so that the meshing connection structure of the outer toggle tooth plate 78 and the inner toggle tooth plate 73 is formed, and the linkage of the rotating shaft 2 with the rotating block 74 and the radiating vanes 77 is realized.
According to the invention, the toothed plate meshing manner is adopted for linkage, and the minimum distance of the rotating clearance 79 is controlled to be larger than the thickness of the inner toggle toothed plate 73, so that a certain rotating space is formed in the rotating clearance 79 by the inner toggle toothed plate 73, and the position of the inner toggle toothed plate 73 slightly deviates after the rotating shaft 2 is worn, and the inner toggle toothed plate 73 slightly deviating in position can be inserted into the rotating clearance 79 due to the larger distance of the rotating clearance 79, so that the structure has stronger polytropy resistance.
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 (6)

1. A load-reducing asynchronous motor is characterized by comprising an outer shell, a front end cover, a rear end cover, a rotating shaft, a stator, a plug-in linkage mechanism and a rear end cover driving mechanism; a front end cover is fixedly arranged at the front end of the outer shell; the stator is arranged on the periphery of the inside 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 outer side of the periphery of the rotating shaft and is positioned in the coaxial inner part of the stator; the front end of the rotating shaft penetrates through the front end cover and extends out; a porous plate is arranged inside the rear end of the outer shell; the rear end of the rotating shaft penetrates through the center of the porous plate and extends out; two ends of the rotating shaft are respectively and rotatably provided with a connecting ring body; the connecting ring body is fixedly arranged at the center of the inner side of the front end cover and the center of the inner side of the porous plate respectively; the periphery of the rear end cover is provided with a ventilation opening; a sleeving ring body is arranged around the inner end of the rear end cover; an inner core ring body is arranged on the outer side of the periphery of the rear end of the outer shell; the rear end cover is slidably sleeved on the inner core ring body on the outer side of the periphery of the rear end of the outer shell body through the sleeving ring body on the periphery of the inner end; the upper side and the lower side of the outer shell and the rear end cover are respectively provided with a rear end cover driving mechanism; the rear end cover driving mechanism drives the sleeving ring body to slide outside the inner core ring body; the splicing linkage mechanism comprises an inner core block, an inner shifting toothed plate, an outer sleeve connecting ring, an outer shifting toothed plate, a rotating block and a radiating blade; the rear end of the rotating shaft is provided with an inner core block; a plurality of inner toggle toothed plates are uniformly arranged on the radial periphery of the outer side of the inner core block; the outer end of the rotating block is rotatably clamped in the center of the inner side of the rear end cover; a plurality of radiating blades are uniformly distributed and installed on the outer side of the periphery of the rotating block; an outer sleeve connecting ring is arranged at the inner end of the rotating block; a plurality of outer poking toothed plates are uniformly arranged on the radial periphery of the inner side of the outer sleeve connecting ring; a rotating gap is formed between the adjacent outer poking toothed plates; the minimum distance of the rotating gap is larger than the thickness of the inner stirring tooth plate; the rotating clearance of the outer shifting toothed plate is sleeved or separately connected with the inner shifting toothed plate.
2. The load-reducing asynchronous motor according to claim 1, wherein the outer end of said rotating block is provided with a rotary snap tooth; a rotary clamping groove is formed in the center of the inner side of the rear end cover; the turning block is rotationally clamped on a rotary clamping groove in the center of the inner side of the rear end cover through rotary clamping teeth at the outer end.
3. The load-reducing asynchronous motor according to claim 2, wherein an adjusting groove is communicated with the outer side of the rotary clamping groove at the center of the inner side of the rear end cover; a driving handle is arranged on the outer side of the rotary clamping tooth; the driving handle is positioned in the adjusting groove.
4. The load-reducing asynchronous motor according to claim 1, wherein the rear end cap drive mechanism comprises a threaded barrel, a drive screw, a locating block; the upper side and the lower side of the sleeve ring body of the rear end cover are respectively provided with a threaded cylinder; the thread cylinders are internally and respectively in threaded connection with a driving screw; the upper side and the lower side of the rear end of the outer shell are respectively provided with a positioning block; the driving screw is rotationally clamped on the positioning block.
5. The load-reducing asynchronous motor according to claim 1, wherein a plurality of uniformly distributed heat dissipation ventilation grooves are formed inside the outer housing; one end of the heat dissipation air channel extends to the outer side face of the front end of the outer shell, and the other end of the heat dissipation air channel extends to the inner side face of the rear end of the outer shell.
6. A load-reducing asynchronous motor according to claim 1, characterized in that an annular gap is provided between the circumferential inner side of said stator and the circumferential outer side of said cage rotor.
CN202010853346.1A 2020-08-23 2020-08-23 Load-reducing asynchronous motor Pending CN111934467A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010853346.1A CN111934467A (en) 2020-08-23 2020-08-23 Load-reducing asynchronous motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010853346.1A CN111934467A (en) 2020-08-23 2020-08-23 Load-reducing asynchronous motor

Publications (1)

Publication Number Publication Date
CN111934467A true CN111934467A (en) 2020-11-13

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010853346.1A Pending CN111934467A (en) 2020-08-23 2020-08-23 Load-reducing asynchronous motor

Country Status (1)

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CN (1) CN111934467A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113824254A (en) * 2021-10-27 2021-12-21 领先科技(东台)有限公司 Radial floating high heat dissipating motor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113824254A (en) * 2021-10-27 2021-12-21 领先科技(东台)有限公司 Radial floating high heat dissipating motor
CN113824254B (en) * 2021-10-27 2022-09-20 领先科技(东台)有限公司 Radial floating high heat dissipating motor

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