CN108964370B - Axial supporting structure for press-fitting impeller of motor and application method of axial supporting structure - Google Patents
Axial supporting structure for press-fitting impeller of motor and application method of axial supporting structure Download PDFInfo
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- CN108964370B CN108964370B CN201810917205.4A CN201810917205A CN108964370B CN 108964370 B CN108964370 B CN 108964370B CN 201810917205 A CN201810917205 A CN 201810917205A CN 108964370 B CN108964370 B CN 108964370B
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- motor
- impeller
- motor shaft
- press
- ball bearing
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000013016 damping Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention discloses an axial supporting structure of a motor press-fitting impeller, which comprises a motor assembly, wherein a rear end cover is arranged at the bottom of the motor assembly, a motor shaft is arranged at the axis of the motor assembly, a rotor coil is arranged on the surface of the motor shaft, a first ball bearing is nested at one end of the surface of the motor shaft, a second ball bearing is nested at the other end of the surface of the motor shaft, the second ball bearing is supported on a stepped table surface arranged in the rear end cover, a bottom flange cover is arranged at the bottom of the rear end cover, a bottom cover of the bottom flange cover is of a flat structure, a bulge is arranged at the axis of the surface of the bottom cover, the bulge is cylindrical, the axis of the bulge is identical with the axis of the motor shaft, and a concave ring which is easy to cause plastic deformation of the bottom cover when the impeller is press-fitting is arranged around the bulge. Through the design of flange bottom, increase the support to the axle head of impeller pile pressing in-process to effectively avoid the damage piece of motor inner bearing, be a fine innovation scheme, have market popularization prospect very much.
Description
Technical Field
The invention relates to the technical field of motors, in particular to an axial supporting structure of a motor press-fitting impeller and a using method thereof.
Background
An electric machine is a device that converts electrical energy into mechanical energy. The magneto-electric power rotating torque is formed by generating a rotating magnetic field by using an electrified coil and acting on a rotor. The motors are divided into direct current motors and alternating current motors according to different power supplies, and most of motors in a power system are alternating current motors, and can be synchronous motors or asynchronous motors. The motor mainly comprises a stator and a rotor, and the direction of forced movement of an electrified wire in a magnetic field is related to the current direction and the direction of a magnetic induction line (magnetic field direction). The motor works in the principle that the magnetic field acts on the current to rotate the motor.
The air blower can produce certain pressure in axial at the in-process of pressure equipment impeller, to the motor that uses ball bearing, this kind of axial pressure can cause ball bearing inside ball wearing and tearing, like this after pressure equipment impeller installation is accomplished, the motor can produce a series of problems such as noise in actual operation bearing, influences the life of bearing even, has not enough, can not satisfy the demand of social development.
In view of the above, in order to overcome the drawbacks of the prior art, an axial supporting structure for press-mounting an impeller of a motor and a method for using the same are particularly needed to solve the drawbacks of the prior art.
Disclosure of Invention
Aiming at the problems in the prior art and influencing the normal use of a motor, the invention provides an axial supporting structure for press-mounting an impeller of the motor and a use method thereof.
In order to achieve the above object, the technical scheme of the present invention is as follows:
the utility model provides an axial bearing structure of motor pressure equipment impeller, including the motor assembly, the rear end cap is installed to the bottom of motor assembly, the axle center department of motor assembly is provided with the motor shaft, the surface of motor shaft is provided with rotor coil, the one end nestification of motor shaft surface has first ball bearing, the other end nestification of motor shaft surface has second ball bearing, second ball bearing supports the ladder mesa of seting up in the rear end cap inside, the bottom of rear end cap is provided with the bottom flange lid, the bottom of bottom flange lid is level and smooth structure, the axle center department of bottom surface is provided with the arch, the bellied shape is cylindric, the bellied axle center is the same with the axle center of motor shaft, be provided with the concave ring that makes the bottom produce plastic deformation easily when pressure equipment impeller around the arch.
Further, the shaft centers of the motor shaft, the first ball bearing and the second ball bearing are the same.
Further, the distance between the protrusion and the motor shaft is 1-3mm.
Further, one end of the motor assembly is connected with the top flange cover through the damping ring, and the other end of the motor assembly is connected with the bottom flange cover through the gasket.
Furthermore, the bottom of the bulge is provided with an embedded groove, and the embedded groove is connected with a tool.
Further, the diameter of the protrusions is smaller than the diameter of the motor shaft.
Further, the diameter of the concave ring is 15-20mm, and the axle center of the concave ring is arranged as a bulge.
The utility model provides a use method of axial bearing structure of motor pressure equipment impeller, at first, the top flange lid and the bottom flange lid equipment at motor assembly both ends are accomplished, install the impeller additional in the surface of top flange lid, adjust the impeller to balanced position, make the rotation of impeller steady, install the frock additional in the surface of bottom flange lid, the frock is installed in the embedded groove of protruding bottom, press-fit impeller through power unit, the in-process motor shaft of pressure equipment impeller produces decurrent axial pressure, the bottom surface design of bottom flange lid has the arch, be provided with the concave ring that makes the bottom produce plastic deformation easily when pressure equipment impeller, in the pressure equipment impeller in-process bottom can produce plastic flange deformation, make protruding jack-up upwards in step, the arch jack-up is directly supported in the motor shaft, the axial pressure that pressure equipment impeller produced shifts to the arch, effectively make the first ball bearing on motor shaft surface, keep the balance between the inner wheel of second ball bearing, prevent that first ball bearing, second ball bearing from causing inside accurate part damage because of external pressure, influence to noise and life-span, the impeller pressure equipment is accomplished better.
The beneficial effects of the invention are as follows: the novel design, simple structure reaches biggest technological effect with minimum improvement, through the design of flange bottom, increases the support of impeller pile pressing in-process counter shaft end to effectively avoid the inside bearing of motor to damage the piece, the practicality is excellent, has promoted the packaging efficiency of motor, and the practicality is excellent, is a fine innovation scheme, very has marketing prospect.
Drawings
The invention is described in detail below with reference to the attached drawing figures and the detailed description:
FIG. 1 is a schematic diagram of an installation process of the present invention;
FIG. 2 is a schematic view of the flange chassis of the present invention;
FIG. 3 is a diagram showing a motor structure of the present invention;
in the figure, 100 parts of motor assembly, 110 parts of damping rings, 120 parts of gaskets, 130 parts of top flange covers, 140 parts of bottom flange covers, 150 parts of rotor coils, 160 parts of motor shafts, 170 parts of first ball bearings, 180 parts of second ball bearings, 190 parts of bottom covers, 200 parts of bulges, 210 parts of concave rings and 220 parts of the tool.
Detailed Description
The invention is further described with reference to the following detailed drawings in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the implementation of the invention easy to understand.
Referring to fig. 1, fig. 2, fig. 3, an axial supporting structure of a motor press-fitting impeller, including a motor assembly 100, a rear end cover is mounted at the bottom of the motor assembly 100, a motor shaft 160 is disposed at the axial center of the motor assembly 100, a rotor coil 150 is disposed on the surface of the motor shaft 160, a first ball bearing 170 is nested at one end of the surface of the motor shaft 160, a second ball bearing 180 is nested at the other end of the surface of the motor shaft 160, the second ball bearing 180 is supported on a stepped platform surface formed inside the rear end cover, a bottom flange cover 140 is disposed at the bottom of the rear end cover, a bottom cover 190 of the bottom flange cover 140 is of a flat structure, a protrusion 200 is disposed at the axial center of the surface of the bottom cover 190, the protrusion 200 is cylindrical, the axial center of the protrusion 200 is identical to the axial center of the motor shaft 160, and a concave ring 210 which is easy to make the bottom cover 190 generate plastic deformation when the impeller is press-fitting is disposed around the protrusion 200.
The motor shaft 160, the first ball bearing 170, and the second ball bearing 180 have the same axial center. The spacing between the protrusions 200 and the motor shaft 160 is 1-3mm. One end of the motor assembly 100 is connected to a top flange cover 130 through a damping ring 110, and the other end of the motor assembly 100 is connected to a bottom flange cover 140 through a gasket 120. The bottom of the protrusion 200 is provided with an insert groove, and the insert groove is connected with the tooling 220. The diameter of the protrusion 200 is smaller than the diameter of the motor shaft 160. The diameter of the concave ring 210 is 15-20mm, and the axis of the concave ring 210 is set as a protrusion 200.
The utility model provides a use method of axial bearing structure of motor pressure equipment impeller, at first, the top flange lid and the bottom flange lid equipment at motor assembly both ends are accomplished, install the impeller additional in the surface of top flange lid, adjust the impeller to balanced position, make the rotation of impeller steady, install the frock additional in the surface of bottom flange lid, the frock is installed in the embedded groove of protruding bottom, press-fit impeller through power unit, the in-process motor shaft of pressure-fit impeller produces decurrent axial pressure, the bottom surface design of bottom flange lid has the arch, be provided with the concave ring that makes the bottom produce plastic deformation easily when pressure-fit impeller, in the pressure-fit impeller in-process bottom can produce plastic flange deformation, make protruding jack-up upwards in step, the arch jack-up is directly supported in the motor shaft, the axial pressure that pressure-fit impeller produced shifts to the arch, effectively make the first ball bearing of motor shaft surface, the second ball bearing keeps balanced, prevent first ball bearing, the inside damage that causes, the better completion impeller pressure-fit.
The invention changes the design of the bottom end of the flange cover, and increases the support of the opposite shaft end in the process of pressing the pile by the impeller, thereby avoiding the damage of the bearing in the motor, the design of the flange cover at the bottom is provided with small bulges, the plastic flange is deformed in the process of pressing, the bulge design at the bottom end is directly supported on the rotating shaft to play a good supporting role, meanwhile, in order to reduce the pressure in the process of deformation, the surface of the bottom cover is provided with a concave ring and a ring step-shaped design (similar to a deformation spring), so that the flange cover can not damage the flange cover in the process of deformation, and meanwhile, the force in the process of deformation is reduced, and the bulge at the bottom end can be contacted with the shaft end by using less force in the process of pressing.
The beneficial effects of the invention are as follows: the novel design, simple structure reaches biggest technological effect with minimum improvement, through the design of flange bottom, increases the support of impeller pile pressing in-process counter shaft end to effectively avoid the inside bearing of motor to damage the piece, the practicality is excellent, has promoted the packaging efficiency of motor, and the practicality is excellent, is a fine innovation scheme, very has marketing prospect.
It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides an axial bearing structure of motor pressure equipment impeller, includes motor assembly, its characterized in that: the rear end cover is installed to the bottom of motor assembly, the axle center department of motor assembly is provided with the motor shaft, the surface of motor shaft is provided with rotor coil, the one end nestification of motor shaft surface has first ball bearing, the other end nestification of motor shaft surface has second ball bearing, second ball bearing supports the ladder mesa of seting up in the rear end cover is inside, the bottom of rear end cover is provided with the bottom flange lid, the bottom of bottom flange lid is level and smooth structure, the axle center department of bottom surface is provided with the arch, the bellied shape is cylindricly, bellied axle center is the same with the axle center of motor shaft, be provided with the concave ring that makes the bottom produce plastic deformation easily when the pressure equipment impeller around the arch.
2. The axial support structure of a motor press-fit impeller of claim 1, wherein: the shaft centers of the motor shaft, the first ball bearing and the second ball bearing are the same.
3. The axial support structure of a motor press-fit impeller of claim 1, wherein: the distance between the bulge and the motor shaft is 1-3mm.
4. The axial support structure of a motor press-fit impeller of claim 1, wherein: one end of the motor assembly is connected with a top flange cover through a damping ring, and the other end of the motor assembly is connected with a bottom flange cover through a gasket.
5. The axial support structure of a motor press-fit impeller of claim 1, wherein: the bottom of the bulge is provided with an embedded groove, and the embedded groove is connected with the tool.
6. The axial support structure of a motor press-fit impeller of claim 1, wherein: the diameter of the bulge is smaller than that of the motor shaft.
7. The axial support structure of a motor press-fit impeller of claim 1, wherein: the diameter of the concave ring is 15-20mm, and the axle center of the concave ring is arranged as a bulge.
8. The application method of the axial supporting structure of the motor press-fitting impeller is characterized by comprising the following steps of: the top flange covers and the bottom flange covers at two ends of the motor assembly are assembled, impellers are additionally arranged on the surfaces of the top flange covers, the impellers are adjusted to balance positions, the impellers rotate stably, tools are additionally arranged on the surfaces of the bottom flange covers, the tools are arranged in embedded grooves at the bottoms of the protrusions, the impellers are pressed through a power mechanism, a motor shaft generates downward axial pressure in the process of pressing the impellers, protrusions are arranged on the surfaces of bottom covers of the bottom flange covers, concave rings which enable the bottom covers to generate plastic deformation easily during the process of pressing the impellers are arranged on the peripheries of the protrusions, plastic flange deformation is generated on the bottom covers during the process of pressing the impellers, the protrusions are synchronously jacked upwards, the protrusions are jacked upwards and directly supported on the motor shaft, the axial pressure generated by the pressing of the impellers is transferred to the protrusions, the first ball bearings and the second ball bearings on the surfaces of the motor shaft are effectively kept balanced, the first ball bearings and the second ball bearings are prevented from being damaged by internal precise components due to external pressure, noise and service life are influenced, and meanwhile the impeller pressing is completed well.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810917205.4A CN108964370B (en) | 2018-08-13 | 2018-08-13 | Axial supporting structure for press-fitting impeller of motor and application method of axial supporting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810917205.4A CN108964370B (en) | 2018-08-13 | 2018-08-13 | Axial supporting structure for press-fitting impeller of motor and application method of axial supporting structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108964370A CN108964370A (en) | 2018-12-07 |
| CN108964370B true CN108964370B (en) | 2024-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810917205.4A Active CN108964370B (en) | 2018-08-13 | 2018-08-13 | Axial supporting structure for press-fitting impeller of motor and application method of axial supporting structure |
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| CN (1) | CN108964370B (en) |
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| CN1671613A (en) * | 2002-05-22 | 2005-09-21 | 海尼肯技术服务有限公司 | Anti-drip means with improved operating means and beverage container provided with a dispensing valve |
| DE102005062866A1 (en) * | 2005-12-29 | 2007-07-05 | Robert Bosch Gmbh | Electric machine e.g. electric motor, for shifting moving part in motor vehicle, has bearing designed as roller bearing and resting against distance sleeve over axial contact surface that is axially supported at deformation area of housing |
| CN101459360A (en) * | 2007-12-13 | 2009-06-17 | 阿斯莫株式会社 | Burstenloser motor und herstellungsverfahren desselben |
| WO2011044110A2 (en) * | 2009-10-06 | 2011-04-14 | Mohawk Innovative Technology, Inc. | High speed machining center |
| KR101448968B1 (en) * | 2014-06-30 | 2014-10-14 | 주식회사 현대특수철강공업 | The moving car support auto assembling apparatus of reinforced structure of moving car for greenhouse |
| CN106685172A (en) * | 2017-02-10 | 2017-05-17 | 浙江大东吴汽车电机有限公司 | Three-phase permanent magnet external rotor motor and method for assembling stator and rotor |
| CN206894390U (en) * | 2017-07-15 | 2018-01-16 | 嘉兴市汉鼎五金制造有限公司 | A kind of connecting bracket for servomotor drive end bearing bracket |
| CN208707484U (en) * | 2018-08-13 | 2019-04-05 | 豪圣挚达（上海）电气有限责任公司 | A kind of axial support structure of motor press fitting impeller |
-
2018
- 2018-08-13 CN CN201810917205.4A patent/CN108964370B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1671613A (en) * | 2002-05-22 | 2005-09-21 | 海尼肯技术服务有限公司 | Anti-drip means with improved operating means and beverage container provided with a dispensing valve |
| DE102005062866A1 (en) * | 2005-12-29 | 2007-07-05 | Robert Bosch Gmbh | Electric machine e.g. electric motor, for shifting moving part in motor vehicle, has bearing designed as roller bearing and resting against distance sleeve over axial contact surface that is axially supported at deformation area of housing |
| CN101459360A (en) * | 2007-12-13 | 2009-06-17 | 阿斯莫株式会社 | Burstenloser motor und herstellungsverfahren desselben |
| WO2011044110A2 (en) * | 2009-10-06 | 2011-04-14 | Mohawk Innovative Technology, Inc. | High speed machining center |
| KR101448968B1 (en) * | 2014-06-30 | 2014-10-14 | 주식회사 현대특수철강공업 | The moving car support auto assembling apparatus of reinforced structure of moving car for greenhouse |
| CN106685172A (en) * | 2017-02-10 | 2017-05-17 | 浙江大东吴汽车电机有限公司 | Three-phase permanent magnet external rotor motor and method for assembling stator and rotor |
| CN206894390U (en) * | 2017-07-15 | 2018-01-16 | 嘉兴市汉鼎五金制造有限公司 | A kind of connecting bracket for servomotor drive end bearing bracket |
| CN208707484U (en) * | 2018-08-13 | 2019-04-05 | 豪圣挚达（上海）电气有限责任公司 | A kind of axial support structure of motor press fitting impeller |
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| Publication number | Publication date |
|---|---|
| CN108964370A (en) | 2018-12-07 |
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Address after: 200000 Room 202, floor 2, building 6, No. 488, Taoqiao Road, Huinan Town, Pudong New Area, Shanghai Applicant after: Xiaosheng electric machinery (Shanghai) Co.,Ltd. Address before: Floors 1-2, Building 1, No. 2300 Xuanhuang Road, Huinan Town, Pudong New Area, Shanghai, 200000 Applicant before: HAOSHENGZHIDA (SHANGHAI) ELECTRIC CO.,LTD. |
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