CN107612224A - A kind of circulating cooling type fire-proof motor - Google Patents

A kind of circulating cooling type fire-proof motor Download PDF

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Publication number
CN107612224A
CN107612224A CN201711129423.3A CN201711129423A CN107612224A CN 107612224 A CN107612224 A CN 107612224A CN 201711129423 A CN201711129423 A CN 201711129423A CN 107612224 A CN107612224 A CN 107612224A
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CN
China
Prior art keywords
fixed seat
machine shaft
annular groove
cooling
support
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Granted
Application number
CN201711129423.3A
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Chinese (zh)
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CN107612224B (en
Inventor
傅青云
邵国军
王志辉
赵竹磊
高俊峰
孙续城
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Shandong Zhongtai Explosion Proof Motor Co ltd
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Weihai Zhongtai Motor Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/64Electric machine technologies in electromobility

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  • Motor Or Generator Cooling System (AREA)

Abstract

The invention discloses a kind of circulating cooling type fire-proof motor.It solves the problems, such as that motor rotation axis can not be cooled down in the prior art and cooling water pipe fixation is loaded down with trivial details.It is cooling tube to be spirally coiled in into base outer and one end is connected with circulating pump;Offer annular groove respectively on machine shaft, cooling air channel is axially offered on machine shaft, cooling air channel is connected through intercommunicating pore with annular groove;Fixed seat is provided with machine shaft, one end of one connecting tube and the closed fixation of fixed seat, the tube chamber of connecting tube is connected through the through hole in fixed seat with annular groove, and outside the other end and support airtight connection and stretching support of connecting tube, the end of the connecting tube outside support is communicated with cooling blower.The present invention cools down to machine shaft and support simultaneously, reduces temperature during fire-proof motor work, increases the service life, improves operating efficiency.

Description

A kind of circulating cooling type fire-proof motor
Technical field
The present invention relates to the electromotor cooling system for using liquid cooling medium with closed casing, more particularly, to one Kind circulating cooling type fire-proof motor.
Background technology
It is known that fire-proof motor is a kind of can not produced in a kind of motor that combustible and explosive area uses, operation Electric spark.It is mainly used in colliery, petroleum gas, petrochemical industry and chemical industry, is generally used for transfer tube, blower fan, compressor With other gearings etc..Fire-proof motor is poor due to its cooling performance, it will usually damages motor because temperature is too high, contracts The service life of short motor.Fire-proof motor is improved for this numerous technical staff, increases cooling system in fire-proof motor machine, For example, CN 203871993U Chinese utility model patent specifications disclosed in 8 days October in 2014 disclose a kind of " circulation Cooling type fire-proof motor ", it is that containing liquid chamber is fixedly connected with casing outer end, and containing liquid chamber both ends are connected with cooling tube both ends respectively Logical, cooling tube is provided with circulating pump, and cooling tube is fixedly connected with casing,.Followed although the motor in the publication can utilize Ring is cooled down to reduce the temperature during work of motor, extends the service life of motor, but its motor rotation axis can not be carried out Cooling.In addition, its cooling tube is fixedly connected and is fitted on casing by snap ring, there is fixed loaded down with trivial details deficiency in it.
The content of the invention
Loaded down with trivial details in order to overcome the shortcomings of not cooling down motor rotation axis and cooling water pipe fixation in the prior art, the present invention carries For one kind is reasonable in design, motor rotation thermal diffusivity is good, cooling water pipe is fixed readily compared with circulating cooling type fire-proof motor.
The technical solution adopted for the present invention to solve the technical problems is:A kind of circulating cooling type fire-proof motor, it includes One support, a stator, a rotor, a machine shaft, two end cap, a cooling tube and a circulating pump, described stator are assemblied in institute In the support stated, described two end cap is separately fixed on the both ends of support, and described rotor is assemblied on machine shaft, described Machine shaft be assemblied in together with rotor in the inner circle of stator, and the both ends of machine shaft are rotatably supported in two end cap respectively On, it is characterised in that:Described cooling tube is spirally coiled in base outer and one end is connected with described circulating pump;In rotor Annular groove is offered respectively on the machine shaft at both ends, and cooling air channel is axially offered on described machine shaft, the cooling The both ends in air channel are connected through intercommunicating pore with described annular groove respectively;Annular groove is corresponded on described machine shaft to set respectively There is fixed seat, through hole is offered respectively in described fixed seat, it is closed with one end of connecting tube respectively in described fixed seat Fixed, the tube chamber of the connecting tube is connected through the through hole in fixed seat with described annular groove, the other end and support of connecting tube Outside airtight connection and stretching support;The end of a connecting tube outside support is communicated with cooling blower.
Described fixed seat includes a upper fixed seat and a lower fixed seat, and described upper fixed seat exists with lower fixed seat obvolvent On described machine shaft, and relatively rotated with machine shaft.
Annular groove is corresponded to on lower fixed seat be provided with annular boss, described annular boss setting-in in described upper fixed seat In annular groove.
Wear-resistant pad is provided between the side stage wall of described annular boss and the side channel wall of annular groove.
The present invention is that cooling tube is spirally coiled in into base outer, fixed easy between its cooling tube and support;In rotor Annular groove is offered on the machine shaft at both ends, cooling air channel, the both ends point of cooling air channel are axially offered on machine shaft It is not connected through intercommunicating pore with annular groove;Machine shaft is connected through fixed seat with connecting tube respectively, and the tube chamber of connecting tube is through solid Through hole in reservation is connected with the annular groove on machine shaft, and connecting tube stretches out support with support airtight connection and the other end Outside, wherein the end of a connecting tube is communicated with cooling blower.Cold air is through connecting tube, fixation caused by the cooling blower of the present invention Seat, annular groove, cooling air channel cool down to machine shaft, the main shaft of fire-proof motor and the temperature of casing are reduced, is extended anti- The service life of quick-fried motor, improves operating efficiency.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the present invention;
Fig. 2 is the amplification view of the line A-A along Fig. 1.
Marked in figure:1. support, 2. stators, 3. rotors, 4. machine shafts, 5. end caps, 6. cooling tubes, 7. circulating pumps, 8. Annular groove, 9. cooling air channels, 10. intercommunicating pores, 11. fixed seats, 111. upper fixed seats, 112. lower fixed seats, 12. annular boss, 13. through hole, 14. connecting tubes, 15. cooling blowers, 16. wear-resistant pads.
Embodiment
The present invention is described in further details with reference to the accompanying drawings and examples.
In Fig. 1, a kind of circulating cooling type fire-proof motor, it includes a support 1, a stator 2, a rotor 3, a motor and turned Axle 4, two end cap 5, a cooling tube 6 and a circulating pump 7.
As shown in figure 1, stator 2 is assemblied in support 1, two end cap 5 is bolted on the both ends of support 1 respectively, is turned Son 3 is assemblied on machine shaft 4, and machine shaft 4 is assemblied in together with rotor 3 in the inner circle of stator 2, the both ends point of machine shaft 4 Other warp beam, which is held, to be rotatably supported in two end cap 5.
In Fig. 1, cooling tube 6 is spirally coiled in outside support 1, and cooling tube 6 can be that bending forming rear screw is coiled in It is welded on after the outside of support 1 or flexural deformation outside support 1, it is fixed easily with support 1.
As shown in figure 1, one end of cooling tube 6 is connected with a circulating pump 7.
In Fig. 1, annular groove 8 is offered respectively on the machine shaft 4 at the both ends of rotor 3, axially opened on machine shaft 4 Provided with cooling air channel 9, the both ends of cooling air channel 9 are connected through intercommunicating pore 10 with annular groove 8 respectively.
In order to realize that annular groove 8 with being connected outside support 1, in Fig. 1, Fig. 2, corresponds to annular groove 8 on machine shaft 4 It is respectively equipped with fixed seat 11.As shown in Figure 1 and Figure 2, offer through hole 13 respectively in fixed seat 11, fixed seat 11 respectively with The closed fixation in one end of connecting tube 14, the tube chamber of the connecting tube 14 are connected through the through hole 13 in fixed seat 11 with annular groove 8, even Outside the other end and the airtight connection of support 1 and stretching support 1 of adapter 14.
In Fig. 1, the end of the connecting tube 14 outside support 1 is communicated with cooling blower 15.
It should be further stated that as shown in Fig. 2 fixed seat 11 includes a upper fixed seat 111 and a lower fixed seat 112, upper fixed seat 111 is symmetrically fixed with the obvolvent of lower fixed seat 112 in machine shaft 4, and by bolt, and upper fixed seat 111 is with Fixed seat 112 relatively rotates with machine shaft 4.
In order to prevent fixed seat 11 from axial displacement occurs on machine shaft 4, as shown in figure 1, in upper fixed seat 111 with Annular groove is corresponded in fixed seat 112 and is respectively equipped with annular boss 12, annular boss 12 is inlaid in annular groove 8.
In order to increase the service life of fixed seat 11 and machine shaft, in side stage wall and the annular groove 8 of annular boss 12 Wear-resistant pad 16 is provided between side channel wall.The wear-resistant pad 16 can use copper wear-resistant pad.
Sent in the use of the present invention, the pumping cooling water of circulating pump 7 is sent into cooling tube 6 after circulating by the other end of cooling tube Go out, cooling tube 6 is bonded the heat taken away so as to cooling water on support 1, the good cooling results of support 1 with support 1.Cooling blower 15 Suction cold air is sent into electricity through the through hole 13 in connecting tube 14, fixed seat 11, the annular groove 8 on machine shaft 4 and intercommunicating pore 10 Circulated in cooling air channel 9 inside machine rotating shaft 4, then machine is sent out by the fixed seat 11 on the other end of machine shaft 10 and connecting tube 14 Outside seat 1.Cold air has taken away the heat on machine shaft 4, the good cooling results of machine shaft 4.
The present invention realizes the rapidly and efficiently cooling of fire-proof motor, reduced by being cooled down to machine shaft 4 and support 1 simultaneously Temperature when fire-proof motor works, be not in produce the phenomenon of damage motor because temperature is too high, extend fire-proof motor Service life, improve operating efficiency.

Claims (4)

1. a kind of circulating cooling type fire-proof motor, it includes a support, a stator, a rotor, a machine shaft, two end cap, one Cooling tube and a circulating pump, described stator are assemblied in described support, and described two end cap is separately fixed at the two of support On end, described rotor is assemblied on machine shaft, and described machine shaft is assemblied in the inner circle of stator together with rotor, and The both ends of machine shaft are rotatably supported in two end cap respectively, it is characterised in that:Described cooling tube is spirally coiled in outside support Portion and one end is connected with described circulating pump;Annular groove is offered respectively on the machine shaft of two ends of rotor, described Cooling air channel is axially offered on machine shaft, the both ends of the cooling air channel are connected through intercommunicating pore with described annular groove respectively It is logical;Annular groove is corresponded on described machine shaft and is respectively equipped with fixed seat, and through hole is offered respectively in described fixed seat, The closed fixation in one end with connecting tube respectively of described fixed seat, the tube chamber of the connecting tube through the through hole in fixed seat with it is described Annular groove is connected, outside the other end and support airtight connection and stretching support of connecting tube;The end of a connecting tube outside support Portion is communicated with cooling blower.
A kind of 2. circulating cooling type fire-proof motor according to claim 1, it is characterised in that:Described fixed seat includes one Upper fixed seat and a lower fixed seat, described upper fixed seat and lower fixed seat obvolvent are on described machine shaft, and and motor Rotating shaft relatively rotates.
A kind of 3. circulating cooling type fire-proof motor according to claim 2, it is characterised in that:Described upper fixed seat with Annular groove is corresponded on lower fixed seat and is provided with annular boss, described annular boss is inlaid in annular groove.
A kind of 4. circulating cooling type fire-proof motor according to claim 3, it is characterised in that:The side of described annular boss Wear-resistant pad is provided between platform wall and the side channel wall of annular groove.
CN201711129423.3A 2017-11-15 2017-11-15 Circulation cooling type explosion-proof motor Active CN107612224B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711129423.3A CN107612224B (en) 2017-11-15 2017-11-15 Circulation cooling type explosion-proof motor

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Application Number Priority Date Filing Date Title
CN201711129423.3A CN107612224B (en) 2017-11-15 2017-11-15 Circulation cooling type explosion-proof motor

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CN107612224A true CN107612224A (en) 2018-01-19
CN107612224B CN107612224B (en) 2023-08-22

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110829691A (en) * 2019-12-04 2020-02-21 北斗航天汽车(北京)有限公司 Motor with shaft cooling channel

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007043656A1 (en) * 2007-09-13 2009-05-07 Siemens Ag Electrical machine has rotor supported on hollow shaft, where hollow shaft is formed in inner side of closed hollow space and stator is arranged within housing
JP2011223805A (en) * 2010-04-13 2011-11-04 Sinfonia Technology Co Ltd Rotary device
CN203166694U (en) * 2013-03-29 2013-08-28 黑龙江弗耐德国茂电机有限公司 Compulsive air-cooled frequency conversion speed regulation motor
CN103650294A (en) * 2011-07-07 2014-03-19 西门子公司 Electric machine with rotor interior ventilation
CN203871993U (en) * 2014-05-25 2014-10-08 常州市凯拉电气有限公司 Circulating cooling-type explosion-proof motor
JP2015027173A (en) * 2013-07-26 2015-02-05 トヨタ自動車株式会社 Motor
CN106026499A (en) * 2016-07-27 2016-10-12 吴继成 Water cooling motor
CN106451915A (en) * 2016-08-26 2017-02-22 中国船舶重工集团公司第七〇二研究所 External rotor permanent magnet motor stator
CN106451863A (en) * 2016-10-19 2017-02-22 长春工业大学 Motor rotor cooling structure
CN106505598A (en) * 2016-12-09 2017-03-15 枣庄度秘信息科技有限公司 A kind of cooling system of flywheel accumulator
CN206117332U (en) * 2016-09-13 2017-04-19 丁小礼 Motor with wheel limit fastening structure
CN206237254U (en) * 2016-10-27 2017-06-09 蔚来汽车有限公司 Motor liquid cooling structure
CN207353995U (en) * 2017-11-15 2018-05-11 威海众泰电机有限公司 A kind of circulating cooling type fire-proof motor

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007043656A1 (en) * 2007-09-13 2009-05-07 Siemens Ag Electrical machine has rotor supported on hollow shaft, where hollow shaft is formed in inner side of closed hollow space and stator is arranged within housing
JP2011223805A (en) * 2010-04-13 2011-11-04 Sinfonia Technology Co Ltd Rotary device
CN103650294A (en) * 2011-07-07 2014-03-19 西门子公司 Electric machine with rotor interior ventilation
CN203166694U (en) * 2013-03-29 2013-08-28 黑龙江弗耐德国茂电机有限公司 Compulsive air-cooled frequency conversion speed regulation motor
JP2015027173A (en) * 2013-07-26 2015-02-05 トヨタ自動車株式会社 Motor
CN203871993U (en) * 2014-05-25 2014-10-08 常州市凯拉电气有限公司 Circulating cooling-type explosion-proof motor
CN106026499A (en) * 2016-07-27 2016-10-12 吴继成 Water cooling motor
CN106451915A (en) * 2016-08-26 2017-02-22 中国船舶重工集团公司第七〇二研究所 External rotor permanent magnet motor stator
CN206117332U (en) * 2016-09-13 2017-04-19 丁小礼 Motor with wheel limit fastening structure
CN106451863A (en) * 2016-10-19 2017-02-22 长春工业大学 Motor rotor cooling structure
CN206237254U (en) * 2016-10-27 2017-06-09 蔚来汽车有限公司 Motor liquid cooling structure
CN106505598A (en) * 2016-12-09 2017-03-15 枣庄度秘信息科技有限公司 A kind of cooling system of flywheel accumulator
CN207353995U (en) * 2017-11-15 2018-05-11 威海众泰电机有限公司 A kind of circulating cooling type fire-proof motor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110829691A (en) * 2019-12-04 2020-02-21 北斗航天汽车(北京)有限公司 Motor with shaft cooling channel

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Effective date of registration: 20230728

Address after: No. 48, Rongchang Road, Rongcheng City, Weihai City, Shandong Province, 264300

Applicant after: Shandong Zhongtai explosion proof Motor Co.,Ltd.

Address before: No. 48, Rongchang Road, Rongcheng City, Weihai City, Shandong Province, 264300

Applicant before: WEIHAI ZHONGTAI MOTOR Co.,Ltd.

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GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: A circulating cooling explosion-proof motor

Granted publication date: 20230822

Pledgee: Industrial and Commercial Bank of China Limited Rongcheng sub branch

Pledgor: Shandong Zhongtai explosion proof Motor Co.,Ltd.

Registration number: Y2024980035691