CN202384966U - Three-phase alternating-current asynchronous motor - Google Patents

Three-phase alternating-current asynchronous motor Download PDF

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Publication number
CN202384966U
CN202384966U CN2011205714599U CN201120571459U CN202384966U CN 202384966 U CN202384966 U CN 202384966U CN 2011205714599 U CN2011205714599 U CN 2011205714599U CN 201120571459 U CN201120571459 U CN 201120571459U CN 202384966 U CN202384966 U CN 202384966U
Authority
CN
China
Prior art keywords
end cap
support
bearing
asynchronous motor
motor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2011205714599U
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Chinese (zh)
Inventor
张珂
王新力
张战
徐天宝
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
RONGCHENG RONGJIA ELECTRIC MACHINE CO Ltd
Original Assignee
RONGCHENG RONGJIA ELECTRIC MACHINE CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by RONGCHENG RONGJIA ELECTRIC MACHINE CO Ltd filed Critical RONGCHENG RONGJIA ELECTRIC MACHINE CO Ltd
Priority to CN2011205714599U priority Critical patent/CN202384966U/en
Application granted granted Critical
Publication of CN202384966U publication Critical patent/CN202384966U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a three-phase alternating-current asynchronous motor, comprising a machine base, a front end and a back end cover which are arranged on two ends of the machine base, wherein the interior of the machine base is a cavity provided with a stator iron core and a rotor; the rotor is fixed on a rotating shaft; a junction box is fixed on the machine base; the outer surfaces of the machine base and the front end face are provided with machine radiation ribs and end cover radiation ribs respectively; the machine base radiation ribs are distributed evenly along a base; different machine base radiation ribs has different heights; the end cover radiation ribs are divided into two groups; and two groups of the end cover radiation ribs are vertical mutually. According to the three-phase alternating-current asynchronous motor provided by the utility model, immobility of a whole motor shell is also enhanced effectively on a condition of ensuring good radiation performance of a motor; parts of the front end cover and the back end cover matched with a bearing are set as casting pieces so as to realize rigid fixation to the bearing; and stability of a rotating shaft of the motor is ensured in an operation procedure.

Description

A kind of three-phase AC asynchronous motor
Technical field
The utility model relates to a kind of three-phase AC asynchronous motor, in particular, relates in particular to a kind of three-phase AC asynchronous motor with good heat radiating property and vibration resistance.
Background technology
According to statistics, China's motor power consumption accounts for 66% of national total power consumption, and wherein the Small-Sized Three-Phase Induction power consumption accounts for 35%.The present gross generation of China is 200,000,000 kW, has 60% to be that motor consumes approximately, and wherein blower fan, water pump class are installed more than 3,000 ten thousand, and power consumption accounts for 35% of energy output.In order to reduce the power consumption of motor, just must accomplish reasonable in design, the control method science of motor, just can accomplish that the power consumption of motor is minimum.The motor that is widely used in the energy-saving speed regulating occasion of industries such as light industry, weaving, chemical industry, metallurgy, lifting, lathe and blower fan, pump class exists bigger room for improvement.
The vibration resistance of motor, thermal diffusivity are the important technology indexs of motor.The end cap of motor, the design organization of support and their matching relationship have considerable influence to the resistance to shock of motor.The heat radiation of existing motor be to lean on the radiating ribs and the cooling fan on electric machine casing surface to realize dispelling the heat basically, yet whether the structural design of radiating ribs and radiator fan is reasonable, directly has influence on the heat dispersion of motor.
Summary of the invention
The utility model provides a kind of three-phase AC asynchronous motor with good heat radiating property and vibration resistance in order to overcome the shortcoming of above-mentioned technical problem.
The three-phase AC asynchronous motor of the utility model, the front end housing and the rear end cap that comprise support and be arranged at the support two ends, said base inner is the cavity that is provided with stator core and rotor, rotor is fixed in the rotating shaft, is fixed with terminal box on the support; Be respectively arranged with support radiating ribs and end cap radiating ribs on the outer surface of said support and front end housing; Its special feature is: the support radiating ribs is along evenly distributing on pedestal, and the height of different support radiating ribs does not wait; The end cap radiating ribs is divided into two groups, and two groups of end cap radiating ribs are orthogonal.Stator core and rotor are arranged in the internal cavities of support, and front end housing and rear end cap match with support and formed closed cavity; Rotating shaft is arranged on front end housing and the rear end cap.Radiating ribs on the support is arranged to the form that highly do not wait, has strengthened the integral heat sink performance of support; The end cap radiating ribs that is provided with on the front end housing is divided into two groups, and two groups of radiating ribs are vertical each other, under the prerequisite that has guaranteed the end cap heat dispersion effectively, has also effectively strengthened the intensity of end cap.
The three-phase AC asynchronous motor of the utility model offer respectively the cavity that fixedly fore bearing and rear bearing are used on said front end housing and the rear end cap, and the position of rigid bearing is a foundry goods on front end housing and the rear end cap.Foundry goods is adopted at the position that is used for fixing bearing on front end housing and the rear end cap, is convenient to process the fixing hole that meets size, also helps guaranteeing the intensity of end cap, makes that the power output performance of rotating shaft is more stable.
The three-phase AC asynchronous motor of the utility model, the two ends of said fore bearing are respectively arranged with fore bearing enclosing cover and fore bearing inner cap; The two ends of rear bearing are respectively arranged with rear bearing inner cap and the rear bearing enclosing cover that fixes with rear end cap.The both sides of bearing are provided with inner cap and enclosing cover respectively, are used for bearing is carried out effectively fixing.
The three-phase AC asynchronous motor of the utility model, the fan housing that the arranged outside of said rear end cap has cooling fan and is used to protect cooling fan.Fan housing and rear end cap form the chamber of cooling fan are set, so that carry out efficiently radiates heat.
The three-phase AC asynchronous motor of the utility model is provided with suspension ring in the both sides of support outer surface.Carrying, mobile and installation that suspension ring help motor are set.
The beneficial effect of the utility model is: the AC asynchronous motor of the utility model; Through the form of being arranged to the radiating ribs on support surface highly do not wait; The radiating ribs of end cover surface is set to mutually perpendicular two groups; Under the condition that has guaranteed the motor excellent heat dispersion performance, also effectively increased the fastness of whole motor case.The utility model is set to foundry goods through the position of matching with bearing on front end housing and the rear end cap, has realized the fixedly securing of bearing guaranteed the stability of motor operation course shaft.
Description of drawings
Fig. 1 is the structural representation of the three-phase AC asynchronous motor front view of the utility model;
Fig. 2 is the structural representation of the three-phase AC asynchronous motor left view of the utility model.
Among the figure: 1 support, 2 stator cores, 3 rotors, 4 rotating shafts, 5 front end housings; 6 rear end caps, 7 fore bearing enclosing covers, 8 fore bearing inner caps, 9 fore bearings, 10 rear bearing inner caps; 11 rear bearing enclosing covers, 12 rear bearings, 13 terminal boxes, 14 motor nameplates, 15 fan housings; 16 cooling fans, 17 suspension ring, 18 support radiating ribs, 19 end cap radiating ribs.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described further.
As depicted in figs. 1 and 2; Provided the structural representation of the three-phase AC asynchronous motor of the utility model, it comprises support 1, stator core 2, rotor 3, rotating shaft 4, front end housing 5, rear end cap 6, fore bearing 9, rear bearing 12, terminal box 13, fan housing 15, cooling fan 16.Shown support 1 is the cylindrical drum shape, and is inner for being used to be provided with the cavity of stator core 2 and rotor 3; Front end housing 5 passes through the fixedly two ends of support 1 of high-strength bolt with rear end cap 6.All offer on front end housing 5 and the rear end cap 6 and be used for respectively the fixedly cavity of fore bearing 9 and rear bearing 12, the position that is used for fixing bearing on the two end cap (5,6) is easy to adopt foundry goods, so that guarantee the stability that motor moves.The two ends of fore bearing 9 are respectively arranged with the fore bearing enclosing cover 7 and fore bearing inner cap 8 that is fixed on the front end housing 5, so that realize the fixing and protection to fore bearing 9; The two ends of rear bearing 12 are respectively arranged with the rear bearing inner cap 10 and rear bearing enclosing cover 11 that fixes with rear end cap 6, so that realize the fixing and protection to rear bearing.
The outer surface of shown front end housing 5 is provided with end cap radiating ribs 19, and end cap radiating ribs 19 is divided into orthogonal two groups, so that guarantee that end cap when having excellent heat dispersion performance, also has fastness, shock resistance preferably.Evenly be provided with support radiating ribs 18 on the outer surface of support 1, and the height of different radiating ribs is different because the height of radiating ribs is different, make support 1 heat dispersion more.Be set with terminal box 13 in the upper end of support 1, so that carry out wiring, debugging and maintenance; Position, both sides in pedestal 1 upper end also is respectively arranged with suspension ring 17, so that the mobile and installation of motor.Position near terminal box 13 on support 1 ectosome also is provided with motor nameplate 14, and this position is safer, and difficult quilt touches, and helps guaranteeing that the information on the nameplate is without prejudice.
Cooling fan 16 is arranged on the outside of rear end cap 6; Fan housing 15 has formed the cavity of placing cooling fan 16 with rear end cap 6; Cooling fan 16 adopts the flabellum of minor diameter, wide fan blade to guarantee air quantity, can reduce ventilation noise through become the little circular arc of approximate right angle in the fan housing edge designs.

Claims (5)

1. three-phase AC asynchronous motor; The front end housing (5) and the rear end cap (6) that comprise support (1) and be arranged at the support two ends; Said base inner is for being provided with the cavity of stator core (2) and rotor (3); Rotor is fixed in the rotating shaft (4), is fixed with terminal box (13) on the support; Be respectively arranged with support radiating ribs (18) and end cap radiating ribs (19) on the outer surface of said support and front end housing; It is characterized in that: the support radiating ribs is along evenly distributing on pedestal, and the height of different support radiating ribs does not wait; The end cap radiating ribs is divided into two groups, and two groups of end cap radiating ribs are orthogonal.
2. three-phase AC asynchronous motor according to claim 1; It is characterized in that: offer respectively the fixedly cavity of fore bearing (9) and rear bearing (12) usefulness on said front end housing (5) and the rear end cap (6), and the position of rigid bearing is a foundry goods on front end housing and the rear end cap.
3. three-phase AC asynchronous motor according to claim 2 is characterized in that: the two ends of said fore bearing (9) are respectively arranged with fore bearing enclosing cover (7) and fore bearing inner cap (8); The two ends of rear bearing (12) are respectively arranged with rear bearing inner cap (10) and the rear bearing enclosing cover (11) that fixes with rear end cap (6).
4. three-phase AC asynchronous motor according to claim 1 and 2 is characterized in that: the fan housing (15) that the arranged outside of said rear end cap (6) has cooling fan (16) and is used to protect cooling fan.
5. three-phase AC asynchronous motor according to claim 1 and 2 is characterized in that: be provided with suspension ring (17) in the both sides of support outer surface.
CN2011205714599U 2011-12-31 2011-12-31 Three-phase alternating-current asynchronous motor Expired - Fee Related CN202384966U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011205714599U CN202384966U (en) 2011-12-31 2011-12-31 Three-phase alternating-current asynchronous motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011205714599U CN202384966U (en) 2011-12-31 2011-12-31 Three-phase alternating-current asynchronous motor

Publications (1)

Publication Number Publication Date
CN202384966U true CN202384966U (en) 2012-08-15

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ID=46633437

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011205714599U Expired - Fee Related CN202384966U (en) 2011-12-31 2011-12-31 Three-phase alternating-current asynchronous motor

Country Status (1)

Country Link
CN (1) CN202384966U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102931791A (en) * 2012-11-08 2013-02-13 浙江西子富沃德电机有限公司 Lifting electrical motor for electrical forklift
CN103607066A (en) * 2013-11-22 2014-02-26 淮南赛力威机电设备有限责任公司 Electric equipment motor
CN106026494A (en) * 2016-07-18 2016-10-12 安徽状元郎电子科技有限公司 Motor capable of reducing heat and noise

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102931791A (en) * 2012-11-08 2013-02-13 浙江西子富沃德电机有限公司 Lifting electrical motor for electrical forklift
CN102931791B (en) * 2012-11-08 2015-05-27 浙江西子富沃德电机有限公司 Lifting electrical motor for electrical forklift
CN103607066A (en) * 2013-11-22 2014-02-26 淮南赛力威机电设备有限责任公司 Electric equipment motor
CN106026494A (en) * 2016-07-18 2016-10-12 安徽状元郎电子科技有限公司 Motor capable of reducing heat and noise

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120815

Termination date: 20141231

EXPY Termination of patent right or utility model