CN108667213B - Follow-up heat dissipation shock attenuation motor - Google Patents

Follow-up heat dissipation shock attenuation motor Download PDF

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Publication number
CN108667213B
CN108667213B CN201810631442.4A CN201810631442A CN108667213B CN 108667213 B CN108667213 B CN 108667213B CN 201810631442 A CN201810631442 A CN 201810631442A CN 108667213 B CN108667213 B CN 108667213B
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CN
China
Prior art keywords
motor
motor shaft
heat dissipation
cavity
ventilation
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CN201810631442.4A
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Chinese (zh)
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CN108667213A (en
Inventor
谢剑
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Zhejiang Oudao Automation Equipment Co Ltd
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Zhejiang Oudao Automation Equipment Co Ltd
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Priority to CN201810631442.4A priority Critical patent/CN108667213B/en
Publication of CN108667213A publication Critical patent/CN108667213A/en
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    • 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
    • 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
    • H02K5/18—Casings or enclosures characterised by the shape, form or construction thereof with ribs or fins for improving heat transfer
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
    • 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
    • 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
    • H02K7/08—Structural association with bearings
    • H02K7/083—Structural association with bearings radially supporting the rotary shaft at both ends of the rotor
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
    • H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Motor Or Generator Cooling System (AREA)
  • Motor Or Generator Frames (AREA)

Abstract

The invention discloses a follow-up heat-dissipation shock-absorption motor which comprises a motor body, wherein a cooling cavity, a ventilation cavity and a motor cavity are respectively arranged in the motor body from left to right, a motor shaft is arranged in the middle of the motor body, the motor shaft is respectively and rotatably connected with the motor body through a first ball thrust bearing and a second ball thrust bearing, a fan blade is arranged at the left end of the motor shaft in the ventilation cavity, a plurality of air exhaust holes communicated with an inner cavity of the motor shaft are further formed in the side surface of the left end of the motor shaft, a plurality of exhaust hoods are circumferentially arranged on the left side wall of the ventilation cavity, the left end of each exhaust hood is connected with a ventilation pipe, the vertical part of each ventilation pipe is located in the cooling cavity, and the upper horizontal. The invention has high stability, can radiate heat when the motor runs, has good radiating effect, is beneficial to the long-time work of the motor and prolongs the service life.

Description

Follow-up heat dissipation shock attenuation motor
Technical Field
The invention relates to the field of motors, in particular to a follow-up heat dissipation and shock absorption motor.
Background
An electric machine (commonly referred to as a "motor") refers to an electromagnetic device that converts or transmits electric energy according to the law of electromagnetic induction. The motor is represented by a letter M (old standard is represented by a letter D) in a circuit, the motor mainly plays a role of generating driving torque and serving as a power source of electrical appliances or various machines, the generator is represented by a letter G in a circuit, and the generator mainly plays a role of converting mechanical energy into electric energy.
The existing motor has the following defects and needs to be improved: 1) poor stability and large working vibration. The life is affected; 2) the heat dissipation effect of the motor is poor, and the heat dissipation mode is single and traditional; 3) the motor can bear smaller axial load. Therefore, in view of the above situation, it is urgently needed to develop a follow-up heat dissipation and shock absorption motor to overcome the shortcomings in the current practical application.
Disclosure of Invention
The invention aims to provide a follow-up heat-dissipation shock-absorption motor to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a follow-up heat dissipation shock absorption motor comprises a motor body, wherein a cooling cavity, a ventilation cavity and a motor cavity are respectively arranged inside the motor body from left to right, a motor shaft is arranged in the middle of the motor body, the left end of the motor shaft extends into the ventilation cavity, the right end of the motor shaft extends out of the right end face of the motor body, the motor shaft is rotatably connected with the motor body through a first ball thrust bearing and a second ball thrust bearing respectively, a fan blade is arranged at the left end of the motor shaft in the ventilation cavity, a plurality of exhaust holes communicated with the inner cavity of the motor shaft are further formed in the left end side face of the motor shaft, a rotor winding is arranged on the motor shaft in the motor cavity, a stator winding matched with the rotor winding is arranged on the inner side wall of the motor cavity, cooling liquid is filled in the cooling cavity, a plurality of exhaust hoods are circumferentially arranged on the left side wall of the ventilation cavity, the vertical part of the ventilation pipe is positioned in the cooling cavity, and the upper horizontal part of the ventilation pipe extends out of the right end of the motor body.
As a further scheme of the invention: the motor body is fixedly installed on the installation plate, a base is arranged below the installation plate, a plurality of damping shock absorption pieces are arranged between the installation plate and the base, fixing bolts fixed to the corners of the installation plate are further arranged and connected, the damping shock absorption pieces are rectangular or long-strip-shaped S-shaped, and the damping shock absorption pieces are made of metal damping shock absorption materials.
As a further scheme of the invention: the motor shaft is of a cylindrical barrel structure with an opening at the right end, and a spiral groove is formed in the inner wall of the motor shaft.
As a further scheme of the invention: the first ball thrust bearing and the second ball thrust bearing are grouped by a large pressure angle.
As a further scheme of the invention: the hole of airing exhaust is located the ventilation intracavity, and the hole of airing exhaust sets up for 45 slopes in the outer end to the left side.
As a further scheme of the invention: and the top of the motor body is also provided with a supplement port for adding cooling liquid into the cooling cavity.
As a further scheme of the invention: the exhaust hood circumference evenly is provided with threely, and the exhaust hood is the toper column structure.
As a further scheme of the invention: the ventilation pipe is of a U-shaped structure, the upper horizontal part of the ventilation pipe is parallel to the motor shaft, and the ventilation pipe is made of copper-aluminum alloy materials.
As a further scheme of the invention: the motor is characterized in that a plurality of heat dissipation strips are installed in the region where the motor cavity is located in the motor body, three heat dissipation strips are evenly arranged in the circumferential direction and are of 1/9 arc-shaped structures, and the middle of each heat dissipation strip is correspondingly connected and fixed with the corresponding ventilation pipe.
As a further scheme of the invention: the right-hand member inboard of ventilation pipe and motor shaft still is equipped with the dust filter screen, and the dust filter screen is HEPA high efficiency filter screen.
Compared with the prior art, the invention has the beneficial effects that:
1) the damping part arranged at the bottom of the motor body can stably support the motor body, reduce working vibration, improve stability and prolong service life;
2) through the structural arrangement of the motor shaft, when the motor shaft rotates, air can enter from the right end of the motor shaft and is discharged into the ventilation cavity from each air exhaust hole due to the arrangement of the fan blades and the spiral grooves, and the heat dissipation effect on the motor shaft is achieved;
3) the air in the ventilation cavity is exhausted into the ventilation pipe through the exhaust hood, and the air can be cooled due to the arrangement of the cooling liquid in the cooling cavity, so that the motor body is cooled;
4) through the setting of the regional heat dissipation strip that the motor chamber is located, promote the heat dissipation cooling effect to motor chamber and inner part.
5) Through the arrangement of the first ball thrust bearing and the second ball thrust bearing, the motor shaft is favorable for bearing higher axial load.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a right side view schematically showing the construction of the ventilation chamber part according to the present invention.
FIG. 3 is a side cross-sectional view of a portion of the heat sink strip of the present invention.
In the figure: 1-fixing bolt, 2-base, 3-damping shock absorption piece, 4-mounting plate, 5-motor body, 6-cooling cavity, 7-cooling liquid, 8-ventilation cavity, 9-fan blade, 10-supplement port, 11-exhaust hood, 12-ventilation pipe, 13-exhaust hole, 14-first ball thrust bearing, 15-heat dissipation strip, 16-stator winding, 17-rotor winding, 18-motor cavity, 19-second ball thrust bearing, 20-spiral groove and 21-motor shaft.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Referring to fig. 1 to 3, in the embodiment of the invention, the follow-up heat dissipation shock absorption motor includes a motor body 5, the motor body 5 is installed and fixed on an installation plate 4, a base 2 is arranged below the installation plate 4, a plurality of damping shock absorption members 3 are arranged between the installation plate 4 and the base 2, the damping shock absorption members 3 are rectangular or strip-shaped S-shaped, the damping shock absorption members 3 are made of metal damping shock absorption materials, fixing bolts 1 connected and fixed with the base 2 are further arranged at corners of the installation plate 4, and the damping shock absorption members 3 have a good shock absorption effect.
Motor body 5's inside is equipped with cooling chamber 6, ventilation chamber 8 and motor chamber 18 from a left side to the right side respectively, motor body 5's middle part is equipped with motor shaft 21, and motor shaft 21 is right-hand member open-ended cylindrical barrel structure, and is equipped with helicla flute 20 on motor shaft 21's the inner wall, and motor shaft 21's left end extends to ventilation chamber 8 in, and motor shaft 21's right-hand member is stretched out from motor body 5's right-hand member face, motor shaft 21 rotates with motor body 5 through first ball thrust bearing 14 and second ball thrust bearing 19 respectively and is connected, and first ball thrust bearing 14 and second ball thrust bearing 19 adopt big pressure angle in groups for bear high axial load.
Fan blade 9 is installed in the left end of motor shaft 21 in ventilation chamber 8, and fan blade 9 adopts current fan blade structure can, as long as can make the air in ventilation chamber 8 flow from the right side left can, a plurality of holes 13 of airing exhaust with the 21 inner chamber of motor shaft intercommunication are still seted up to the left end side of motor shaft 21, hole 13 of airing exhaust is located ventilation chamber 8, and hole 13 of airing exhaust sets up for 45 slopes in the outer end to the left side.
A rotor winding 17 is arranged on a motor shaft 21 in the motor cavity 18, a stator winding 16 matched with the rotor winding 17 is arranged on the inner side wall of the motor cavity 18, the stator winding 16, the rotor winding 17 and the motor shaft 21 form main parts of the motor, and the motor shaft 21 can rotate.
The cooling cavity 6 is filled with cooling liquid 7, the top of the motor body 5 is further provided with a supplement port 10 for adding the cooling liquid to the cooling cavity 6, the left side wall of the ventilation cavity 8 is circumferentially provided with a plurality of exhaust hoods 11, the exhaust hoods 11 are uniformly circumferentially arranged in three, each exhaust hood 11 is in a conical structure, the left end of each exhaust hood 11 is connected with a ventilation pipe 12, each ventilation pipe 12 is in a U-shaped structure, the vertical part of each ventilation pipe 12 is located in the cooling cavity 6, the upper horizontal part of each ventilation pipe 12 is parallel to a motor shaft 21, the upper horizontal part of each ventilation pipe 12 extends out of the right end of the motor body 5, each ventilation pipe 12 is made of copper-aluminum alloy, a plurality of heat dissipation strips 15 are installed in the region where the motor cavity 18 is located in the motor body 5, as shown in figure 3, the heat dissipation strips 15 are uniformly circumferentially arranged in three, and each heat dissipation, and the middle part of the heat dissipation strip 15 is correspondingly connected and fixed with the ventilation pipe 12, the heat dissipation strip 15 is made of the existing cooling fin material, and the heat of the motor body 5 can be better absorbed through the heat dissipation strip 15.
The right-hand member inboard of ventilation pipe 12 and motor shaft 21 still is equipped with the dust filter screen, and the dust filter screen is HEPA high efficiency filter screen, and its characteristics are that the air can pass through, but tiny granule can't pass through, and it is more than 99.5% to the granule removal efficiency that the radius is more than 0.15 micron.
This follow-up heat dissipation shock attenuation motor has following outstanding advantage:
1) the damping part 3 arranged at the bottom of the motor body 5 can stably support the motor body 5, reduce working vibration, improve stability and prolong service life;
2) through the structural arrangement of the motor shaft 21, when the motor shaft 21 rotates, due to the arrangement of the fan blades 9 and the spiral grooves 20, air can enter from the right end of the motor shaft 21 and is exhausted into the ventilation cavity 8 from each air exhaust hole 13, and the heat dissipation effect on the motor shaft 21 is achieved;
3) air in the ventilation cavity 8 is discharged into the ventilation pipe 12 through the exhaust hood 11, and the air can be cooled due to the arrangement of the cooling liquid 7 in the cooling cavity 6, so that the motor body 5 is cooled;
4) through the setting of the regional heat dissipation strip 15 that motor chamber 18 is located, promote the heat dissipation cooling effect to motor chamber 18 and inner part.
5) The arrangement of the first ball thrust bearing 14 and the second ball thrust bearing 19 is beneficial to the motor shaft 21 to bear high axial load.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make several variations and modifications without departing from the concept of the present invention, and these should be considered as the protection scope of the present invention, which will not affect the effect of the implementation of the present invention and the utility of the patent.

Claims (7)

1. The utility model provides a follow-up heat dissipation shock attenuation motor, includes motor body (5), its characterized in that, the inside of motor body (5) is equipped with cooling chamber (6), ventilation chamber (8) and motor chamber (18) respectively from a left side to the right side, the middle part of motor body (5) is equipped with motor shaft (21), and the left end of motor shaft (21) extends to in ventilation chamber (8), and the right-hand member of motor shaft (21) stretches out from the right-hand member face of motor body (5), motor shaft (21) rotate with motor body (5) through first ball thrust bearing (14) and second ball thrust bearing (19) respectively and are connected, fan blade (9) are installed to the left end in motor shaft (21) in ventilation chamber (8), a plurality of holes (13) that communicate with motor shaft (21) inner chamber still have been seted up to the left end side of motor shaft (21), be provided with rotor winding (17) on motor shaft (21) in motor chamber (18) of airing exhaust, a stator winding (16) matched with a rotor winding (17) is arranged on the inner side wall of a motor cavity (18), cooling liquid (7) is filled in the cooling cavity (6), a plurality of exhaust hoods (11) are circumferentially arranged on the left side wall of the ventilation cavity (8), the left end of each exhaust hood (11) is connected with a ventilation pipe (12), the vertical part of each ventilation pipe (12) is located in the cooling cavity (6), and the upper horizontal part of each ventilation pipe (12) extends out of the right end of the motor body (5);
the motor shaft (21) is of a cylindrical barrel structure with an opening at the right end, and a spiral groove (20) is formed in the inner wall of the motor shaft (21); the ventilation pipe (12) is of a U-shaped structure, the upper horizontal part of the ventilation pipe (12) is arranged in parallel with the motor shaft (21), and the ventilation pipe (12) is made of copper-aluminum alloy; many heat dissipation strips (15) are installed in motor cavity (18) place region in motor body (5), heat dissipation strip (15) circumference evenly is provided with three, and heat dissipation strip (15) are 1/9 circular arc structure, and the middle part of heat dissipation strip (15) corresponds with ventilation pipe (12) and is connected fixedly.
2. The follow-up heat dissipation shock-absorption motor according to claim 1, wherein the motor body (5) is fixedly installed on the installation plate (4), the base (2) is arranged below the installation plate (4), a plurality of damping shock-absorption pieces (3) are arranged between the installation plate (4) and the base (2), the corners of the installation plate (4) are further provided with fixing bolts (1) fixedly connected with the base (2), the damping shock-absorption pieces (3) are rectangular or long-strip-shaped S-shaped, and the damping shock-absorption pieces (3) are made of metal damping shock-absorption materials.
3. The servo heat dissipation and shock absorption motor according to claim 1, wherein the first ball thrust bearing (14) and the second ball thrust bearing (19) are grouped with a large pressure angle.
4. The follow-up heat dissipation shock absorption motor according to claim 1, wherein the air exhaust holes (13) are located in the ventilation cavity (8), and the air exhaust holes (13) are arranged with outer ends inclined to the left side by 45 degrees.
5. The follow-up heat-dissipation shock-absorption motor according to claim 1, wherein the top of the motor body (5) is further provided with a supplementary port (10) for adding cooling liquid to the cooling cavity (6).
6. The follow-up heat-dissipation shock-absorption motor as claimed in claim 1, wherein the number of the exhaust hoods (11) is three, and the exhaust hoods (11) are in a conical structure.
7. The follow-up heat dissipation shock absorption motor according to claim 1, wherein a dust filter screen is further arranged on the inner side of the right end of the ventilation pipe (12) and the motor shaft (21), and the dust filter screen is a HEPA high-efficiency filter screen.
CN201810631442.4A 2018-06-19 2018-06-19 Follow-up heat dissipation shock attenuation motor Active CN108667213B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810631442.4A CN108667213B (en) 2018-06-19 2018-06-19 Follow-up heat dissipation shock attenuation motor

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Application Number Priority Date Filing Date Title
CN201810631442.4A CN108667213B (en) 2018-06-19 2018-06-19 Follow-up heat dissipation shock attenuation motor

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CN108667213A CN108667213A (en) 2018-10-16
CN108667213B true CN108667213B (en) 2020-03-10

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Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109327112B (en) * 2018-10-26 2020-08-25 宁波万骏电机有限公司 Axial through circulating heat dissipation motor
CN110350720A (en) * 2019-06-24 2019-10-18 徐州三美电器科技有限公司 A kind of intermetallic composite coating driving motor
CN110429753B (en) * 2019-08-14 2020-08-07 扬州洁晨机电科技有限公司 Noise-reduction motor easy to dissipate heat
CN111030379A (en) * 2019-12-17 2020-04-17 速珂智能科技（上海）有限公司 Device for heat dissipation of motor
CN114825765A (en) * 2022-05-20 2022-07-29 德瑞精工（深圳）有限公司 Torque motor and rod-shaped motor structure

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Publication number Priority date Publication date Assignee Title
CN1159090A (en) * 1995-11-27 1997-09-10 株式会社日立制作所 Totally-enclosed type motor
JP2007174824A (en) * 2005-12-22 2007-07-05 Nissan Motor Co Ltd Cooling method of motor stator
CN202872592U (en) * 2012-09-27 2013-04-10 蔡灵芝 Three-phase asynchronous motor used for sewing machine
CN106438921A (en) * 2016-11-23 2017-02-22 申晓丽 Damping gear
CN207398971U (en) * 2017-09-19 2018-05-22 上海德惠特种风机有限公司 A kind of wind turbine vibration damping pedestal

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Publication number Priority date Publication date Assignee Title
CN106849509B (en) * 2017-04-25 2023-06-06 沈阳工程学院 Hollow rotor cooling structure of ultra-high-speed permanent magnet motor
CN206850612U (en) * 2017-06-20 2018-01-05 湖北华博三六电机有限公司 A kind of underwater work from radiating motor
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Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1159090A (en) * 1995-11-27 1997-09-10 株式会社日立制作所 Totally-enclosed type motor
JP2007174824A (en) * 2005-12-22 2007-07-05 Nissan Motor Co Ltd Cooling method of motor stator
CN202872592U (en) * 2012-09-27 2013-04-10 蔡灵芝 Three-phase asynchronous motor used for sewing machine
CN106438921A (en) * 2016-11-23 2017-02-22 申晓丽 Damping gear
CN207398971U (en) * 2017-09-19 2018-05-22 上海德惠特种风机有限公司 A kind of wind turbine vibration damping pedestal

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