CN204013074U - Totally-enclosed machine and bearing ventilation cooling system thereof - Google Patents

Totally-enclosed machine and bearing ventilation cooling system thereof Download PDF

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Publication number
CN204013074U
CN204013074U CN201420447171.4U CN201420447171U CN204013074U CN 204013074 U CN204013074 U CN 204013074U CN 201420447171 U CN201420447171 U CN 201420447171U CN 204013074 U CN204013074 U CN 204013074U
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CN
China
Prior art keywords
bearing
air channel
air
totally
end cap
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Expired - Fee Related
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CN201420447171.4U
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Chinese (zh)
Inventor
何云风
杨振中
李丽
唐子谋
夏铝
汤黎明
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CRRC Zhuzhou Electric Co Ltd
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CSR Zhuzhou Electric Co Ltd
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Priority to CN201420447171.4U priority Critical patent/CN204013074U/en
Application granted granted Critical
Publication of CN204013074U publication Critical patent/CN204013074U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a kind of bearing ventilation cooling system of totally-enclosed machine, it comprises non-transmision end bearing cooling air duct structure, non-transmision end bearing cooling air duct structure comprises the first air inducing air channel, the first cooling air channel and first row air port, the first air inducing air channel is arranged on the non-transmision end end cap of totally-enclosed machine, and is communicated with the air inlet of non-transmision end end cap; The first cooling air channel is arranged on the bearing pedestal of totally-enclosed machine, and the first cooling air channel is communicated with the first air inducing air channel; First row air port is arranged on non-transmision end end cap, and it makes the first cooling air channel be communicated with atmosphere.In this bearing ventilation cooling system, air stream, through bearing pedestal, is taken away the heat at bearing pedestal place, is beneficial to heat loss, the reduction temperature of bearing, guarantees that the bearing in this non-transmision end end cap top chock normally moves.The utility model also discloses a kind of totally-enclosed machine, and it has applied above-mentioned bearing ventilation cooling system, can make the bearing safe operation in non-transmision end end caps bearing pedestal.

Description

Totally-enclosed machine and bearing ventilation cooling system thereof
Technical field
The utility model relates to technical field of motors, more particularly, relates to a kind of bearing ventilation cooling system of totally-enclosed machine, also relates to a kind of totally-enclosed machine of applying above-mentioned bearing ventilation cooling system.
Background technology
Totally enclosed machine is often applied to severe running environment, and as trailer system of rolling stock etc., it can prevent that the impurity such as dust, particle from entering motor internal, guarantees that motor normally moves.Totally-enclosed machine comprises axle, cylindrical case, non-transmision end end cap and driving end end cap; Above-mentioned axle is provided with rotor, is also provided with two two bearings that lay respectively at rotor both sides; One end of axle is through in cylindrical case, and this end is non-transmision end, and the one end being positioned on axle outside cylindrical case is driving end.The middle part of above-mentioned non-transmision end end cap is provided with bearing pedestal, and non-transmision end end cap is fixed on cylindrical case one end; Above-mentioned driving end end cap is fixed on the cylindrical case other end by intermediate end cover; In above-mentioned cylindrical case, be provided with out frame, rotor set on axle matches with the stator being fixed on out frame; On axle, the bearing at non-transmision end place is positioned at bearing pedestal, and the bearing of driving end is arranged on driving end end cap middle part.
Existing totally-enclosed machine is undertaken cooling by the mode of surperficial forced ventilation, cylindrical case is provided with air duct, and this air duct is through said stator support.During work, air is entered in above-mentioned air duct by the air inlet on above-mentioned non-transmision end end cap, and arrives out frame place along air duct, discharges air duct afterwards, to take away motor internal heat by the air outlet on intermediate end cover.But in this totally-enclosed machine, moving air is only taken away the heat of motor internal by circulation in air duct, the heat dissipation rate in motor is low, and temperature rise is fast, causes the bearing temperature at bearing pedestal place high, is unfavorable for this bearing safe operation.
In addition, heat dissipation rate in motor is low, motor internal temperature height also can cause the bearing temperature of driving end end cap center high, is also unfavorable for this bearing safe operation.
In sum, how providing a kind of bearing cooling mechanism of totally-enclosed machine, to reduce the temperature of bearing pedestal place bearing, guarantee this bearing safe operation, is those skilled in the art's problem demanding prompt solutions.
Utility model content
In view of this, the utility model provides a kind of bearing ventilation cooling system of totally-enclosed machine, it comprises non-transmision end bearing cooling air duct structure, this structure can make the bearing pedestal of air stream non-transmision end in totally-enclosed machine, the heat at the bearing place of non-transmision end is scattered and disappeared fast, avoid this Bearing Temperature, guarantee its safe operation.The utility model also provides a kind of totally-enclosed machine, and it has applied above-mentioned bearing ventilation cooling system, can guarantee the bearing safe operation of non-transmision end on axle.
For achieving the above object, the utility model provides following technical scheme:
A kind of bearing ventilation cooling system of totally-enclosed machine, comprise non-transmision end bearing cooling air duct structure, described non-transmision end bearing cooling air duct structure comprises the first air inducing air channel, the first cooling air channel and first row air port, wherein, described the first air inducing air channel is arranged on the non-transmision end end cap of described totally-enclosed machine, and is communicated with the air inlet of described non-transmision end end cap; Described the first cooling air channel is arranged on the bearing pedestal of described totally-enclosed machine, and described the first cooling air channel is communicated with described the first air inducing air channel; Described first row air port is arranged on described non-transmision end end cap, and it is for making described the first cooling air channel be communicated with atmosphere.
Preferably, in above-mentioned bearing ventilation cooling system, described bearing pedestal comprises bearing pedestal body and the bearing pedestal cover plate being fixedly connected with described bearing pedestal body; Described the first cooling air channel is the interlayer between described bearing pedestal body and described bearing pedestal cover plate.
Preferably, in above-mentioned bearing ventilation cooling system, described bearing pedestal cover plate is positioned on described bearing pedestal body the side towards the cylindrical case of described totally-enclosed machine.
Preferably, in above-mentioned bearing ventilation cooling system, also comprise driving end bearing cooling air duct structure, described driving end bearing cooling air duct structure comprises the second air inducing air channel, the second cooling air channel and second row air port; Described the second air inducing air channel is surrounded by the intermediate end cover of ventilating duct, described totally-enclosed machine and the driving end end cap of described totally-enclosed machine, and described the second air inducing air channel is communicated with the air outlet of described intermediate end cover; Described the second cooling air channel is arranged on described driving end end cap, and it is communicated with described the second air inducing air channel; Described second row air port is arranged on described driving end end cap, for making the gas in described the second cooling air channel enter atmosphere.
Preferably, in above-mentioned bearing ventilation cooling system, described driving end end cap comprises driving end end cap body and is fixed on the driving end cover plate on described driving end end cap body; Described the second cooling air channel is described driving end end cap basis
Interlayer between body and described driving end cover plate.
Preferably, in above-mentioned bearing ventilation cooling system, described driving end cover plate is positioned on described driving end end cap body the side towards the cylindrical case of described totally-enclosed machine.
Preferably, in above-mentioned bearing ventilation cooling system, described ventilating duct is fixedly connected with described driving end end cap body with described intermediate end cover respectively.
A totally-enclosed machine, is characterized in that, comprises bearing ventilation cooling system, and described bearing ventilation cooling system is the bearing ventilation cooling system described in any one in technique scheme.
The utility model provides a kind of bearing ventilation cooling system of totally-enclosed machine, it comprises non-transmision end bearing cooling air duct structure, non-transmision end bearing cooling air duct structure comprises the first air inducing air channel, the first cooling air channel and first row air port, the first air inducing air channel is arranged on the non-transmision end end cap of totally-enclosed machine, and is communicated with the air inlet of non-transmision end end cap; Above-mentioned the first cooling air channel is arranged on the bearing pedestal of totally-enclosed machine, and described the first cooling air channel is communicated with the first air inducing air channel; Above-mentioned first row air port is arranged on non-transmision end end cap, and it makes the first cooling air channel be communicated with atmosphere.
While applying above-mentioned bearing ventilation cooling system, air is entered in the first air inducing air channel by the air inlet on non-transmision end end cap, then arrives the first cooling air channel by air inducing air channel, is discharged afterwards, so that the heat at bearing pedestal place is taken away by first row air port.
In above-mentioned bearing ventilation cooling system, air stream, through bearing pedestal, can be taken away the heat at bearing pedestal place, be beneficial to bearing heat loss, reduce its temperature, guarantee that the bearing in this non-transmision end end cap top chock normally moves.
The utility model also provides a kind of totally-enclosed machine, and it has applied above-mentioned bearing ventilation cooling system, can guarantee the bearing safe operation in non-transmision end end caps bearing pedestal.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The bearing pedestal body that Fig. 1 provides for the utility model embodiment and the installation diagram of bearing pedestal cover plate;
The structural representation of the bearing pedestal cover plate that Fig. 2 provides for the utility model embodiment;
The cutaway view of the non-transmision end end cap that Fig. 3 provides for the utility model embodiment;
The main TV structure schematic diagram of the non-transmision end end cap that Fig. 4 provides for the utility model embodiment;
The assembling schematic diagram of the non-transmision end end cap that Fig. 5 provides for the utility model embodiment, bearing pedestal body and bearing pedestal cover plate;
The driving end end cap body that Fig. 6 provides for the utility model embodiment and the assembling schematic diagram of driving end cover plate;
Fig. 7 is the cutaway view of A-A in Fig. 6;
The structural representation of the totally-enclosed machine that Fig. 8 provides for the utility model embodiment;
Fig. 9 is the right TV structure schematic diagram of totally-enclosed machine in Fig. 8;
The main TV structure schematic diagram of the ventilating duct that Figure 10 provides for the utility model embodiment;
Figure 11 is the cutaway view of B-B in Figure 10.
Wherein, in upper Fig. 1-11:
Bearing pedestal cover plate 101; Bearing pedestal body 102; Non-transmision end end cap 103; Outer bearing cover 104; Outer oil seal 105; Inner oil seal 106; The first cooling air channel 11; The first air inducing air channel 12; First row air port 13; Driving end cover plate 201; Driving end end cap body 202; Intermediate end cover 203; Ventilating duct 204; The second cooling air channel 21; The second air inducing air channel 22; Second row air port 23.
Embodiment
The utility model embodiment discloses a kind of bearing ventilation cooling system of totally-enclosed machine, it comprises non-transmision end bearing cooling air duct structure, this structure can make the bearing pedestal of air stream non-transmision end in totally-enclosed machine, the heat at the bearing place of non-transmision end is scattered and disappeared fast, avoid this Bearing Temperature, guarantee its safe operation.The utility model embodiment also discloses a kind of totally-enclosed machine, and it has applied above-mentioned bearing ventilation cooling system, can guarantee the bearing safe operation of non-transmision end on axle.
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
The utility model provides a kind of bearing ventilation cooling system, and this ventilation cooling system is applied to totally-enclosed machine.Totally-enclosed machine comprises axle, cylindrical case, non-transmision end end cap 103 and driving end end cap; One end of axle is stretched in cylindrical case, and this end is non-transmision end; The bearing other end is positioned at cylindrical case, and this end is driving end; Above-mentioned non-transmision end end cap 103 is fixed on cylindrical case one end, and the middle part of non-transmision end is provided with bearing pedestal; Driving end end cap is fixed on the cylindrical case other end by intermediate end cover 203; On above-mentioned axle, the bearing at non-transmision end place is fixed in bearing pedestal by outer bearing cover 104, and this bearing pedestal place is provided with inner oil seal 106 and outer oil seal 105; On axle, near the bearing of its driving end, be arranged on the middle part of above-mentioned driving end end cap; Above-mentioned cylindrical case is provided with air duct, and non-transmision end end cap 103 is provided with the air inlet being communicated with above-mentioned air duct, and intermediate end cover 203 is provided with the air outlet being communicated with above-mentioned air duct; Above-mentioned air duct is through the out frame in cylindrical case.
Refer to Fig. 1-Figure 11, in the bearing ventilation cooling system of the totally-enclosed machine that the present embodiment provides, comprise non-transmision end bearing cooling air duct structure; Non-transmision end bearing cooling air duct structure comprises the first air inducing air channel 12, the first cooling air channel 11 and first row air port 13; Wherein, the first air inducing air channel 12 is arranged on non-transmision end end cap 103, and the first air inducing air channel 12 is communicated with the air inlet of non-transmision end end cap 103; The first cooling air channel 11 is arranged on bearing pedestal, and the first cooling air channel 11 is communicated with the first air inducing air channel 12; First row air port 13 is arranged on non-transmision end end cap 103, and it is for using the first cooling air channel 11 to be communicated with atmosphere, so that the air entering in the first cooling air channel 11 via the first air inducing air channel 12 enters atmosphere.
While applying the bearing ventilation cooling system of above-mentioned totally-enclosed machine, air is entered in the first air inducing air channel 12 by the air inlet on non-transmision end end cap 103, by air inducing air channel, arrive the first cooling air channel 11 again, by first row air port 13, discharged afterwards, so that the heat at bearing pedestal place is taken away.
In above-mentioned bearing ventilation cooling system, air stream, through bearing pedestal, can be taken away the heat at bearing pedestal place, be beneficial to bearing heat loss, reduce its temperature, guarantee that the bearing in these non-transmision end end cap 103 top chocks normally moves.
Concrete, in above-mentioned bearing ventilation cooling system, bearing pedestal comprises bearing pedestal body 102 and the bearing pedestal cover plate 101 being fixedly connected with bearing pedestal body 102; Above-mentioned the first air inducing air channel 12 is surrounded by bearing pedestal and bearing pedestal cover plate 101, and the first air inducing air channel 12 is the interlayers between bearing pedestal and bearing cover, and this interlayer is only communicated with above-mentioned the first air inducing air channel 12 and first row air port 13.In the bearing ventilation cooling system that the present embodiment provides, the first air inducing air channel 12 is arranged on non-transmision end end cap 103, and the first air inducing air channel 12 is the interlayer between bearing pedestal body 102 and bearing pedestal cover plate 101, can avoid gas to enter motor internal, prevent that impurity from entering motor, be beneficial to and guarantee that motor runs well.
Preferably, in order to make the more close totally-enclosed machine of the first cooling air channel 11 inner, to improve heat loss efficiency, in the bearing ventilation cooling system that above-described embodiment provides, bearing pedestal cover plate 101 is arranged on bearing pedestal body 102 side towards cylindrical case inside.
In the bearing ventilation cooling system that above-described embodiment provides, the number in first row air port 13 is a plurality of, and it is along the circumferential arrangement of non-transmision end end cap 103, and first row air port 13 is preferably set to waist-shaped hole.Above-mentioned bearing pedestal cover plate 101 comprise mutually together with cone cylinder portion and cylindrical portion, wherein, cone cylinder portion is fixedly connected with cylindrical portion by transition rings, the cross section of boring cylinder portion is less than the cross-sectional area of cylindrical portion, and bore cylinder portion and cylindrical portion coaxial; The cross-sectional area of above-mentioned cone cylinder portion is increased gradually by the direction outside cylindrical case in cylindrical case, with suitable with the profile of bearing pedestal body 102.
Further, in the bearing ventilation cooling system that above-described embodiment provides, also comprise driving end bearing cooling air duct structure, driving end bearing cooling air duct structure comprises the first air inducing air channel 12, the second cooling air channel 21 and second row air port 23; Above-mentioned the second air inducing air channel 22 is surrounded by ventilating duct 204, intermediate end cover 203 and driving end end cap, and the second air inducing air channel 22 is communicated with the air outlet of intermediate end cover 203, the air of discharging for draining place, air port; Above-mentioned the second cooling air channel 21 is arranged on the driving end end cap of totally-enclosed machine, and the second cooling air channel 21 is communicated with the second air inducing air channel 22; Above-mentioned second row air port 23 is arranged on driving end end cap, for the second cooling air channel 21 is communicated with atmosphere, so that the air in the second cooling air channel 21 enters atmosphere.
While applying this bearing ventilation cooling system, gas in air duct is discharged by the exhaust outlet of intermediate end cover 203, the the second air inducing air channel 22 surrounding via ventilating duct 204 and intermediate end cover 203 afterwards enters in the second cooling air channel 21, and at the interior absorption heat of the second cooling air channel 21, again, by second row air port 23, discharged, so that the heat of driving end end caps bearing is with Bas Discharged.In the bearing ventilation cooling system that the present embodiment provides, driving end bearing cooling air duct structure can make the heat of bearing of driving end end caps with Bas Discharged, reduces the temperature of this bearing, guarantees its safe operation.
In the bearing ventilation cooling system that above-described embodiment provides, driving end end cap comprises driving end end cap body 202 and is fixed on the driving end cover plate 201 on driving end end cap body 202; Above-mentioned second row air port 23 is arranged on driving end end cap body 202; Above-mentioned the second cooling air channel 21 is surrounded by driving end end cap body 202 and driving end cover plate 201, the second cooling air channel 21 is the interlayers between driving end end cap body 202 and driving end end casing 201, and this interlayer is only communicated with above-mentioned the second air inducing air channel 22 and second row air port 23.In the bearing ventilation cooling system that the present embodiment provides, ventilating duct 204 is fixedly connected with driving end end cap with intermediate end cover 203 respectively, and ventilating duct 204 is positioned at outside the space that intermediate end cover 203, driving end end cap, non-transmision end end cap 103 and cylindrical case surround, and the second cooling air channel 21 is the interlayer between driving end end cap body 202 and driving end cover plate 201, can avoid gas to enter totally-enclosed machine inside, guarantee totally-enclosed machine cleaning inside, and then guarantee that this totally-enclosed machine runs well.
Preferably, in the bearing ventilation cooling system that above-described embodiment provides, driving end cover plate 201 is positioned on driving end end cap body 202 side towards cylindrical case.Above-mentioned driving end cover plate 201 is pyramidal structure, and it is sleeved on axle, and overlays on the middle part of driving end end cap.
Concrete, in the bearing ventilation cooling system that above-described embodiment provides, bearing pedestal is the bearing pedestal that No. 35 forged steel are made; Bearing pedestal cover plate 101 is to be welded by cold rolling carbon constructional steel plate Q195.Above-mentioned driving end end cap adopts cast steel, and above-mentioned driving end cover plate 201 is made by cold rolling carbon steel plate Q195, and driving end cover plate 201 is welded on driving end end cap.
The utility model also provides a kind of totally-enclosed machine, and it comprises bearing ventilation cooling system, and the bearing ventilation cooling system that provides for above-described embodiment of bearing ventilation cooling system.
The totally-enclosed machine that the present embodiment provides has been applied the bearing ventilation cooling system that above-described embodiment provides, and can avoid the Bearing Temperature at non-transmision end place, guarantees that this bearing normally works.Certainly, the totally-enclosed machine that the present embodiment provides also has other effects of the relevant bearing ventilation cooling system that above-described embodiment provides, does not repeat them here.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and each embodiment stresses is the difference with other embodiment, between each embodiment identical similar part mutually referring to.
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the utility model.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.

Claims (8)

1. the bearing ventilation cooling system of a totally-enclosed machine, it is characterized in that, comprise non-transmision end bearing cooling air duct structure, described non-transmision end bearing cooling air duct structure comprises the first air inducing air channel, the first cooling air channel and first row air port, wherein, described the first air inducing air channel is arranged on the non-transmision end end cap of described totally-enclosed machine, and is communicated with the air inlet of described non-transmision end end cap; Described the first cooling air channel is arranged on the bearing pedestal of described totally-enclosed machine, and described the first cooling air channel is communicated with described the first air inducing air channel; Described first row air port is arranged on described non-transmision end end cap, and it is for making described the first cooling air channel be communicated with atmosphere.
2. bearing ventilation cooling system according to claim 1, is characterized in that, described bearing pedestal comprises bearing pedestal body and the bearing pedestal cover plate being fixedly connected with described bearing pedestal body; Described the first cooling air channel is the interlayer between described bearing pedestal body and described bearing pedestal cover plate.
3. bearing ventilation cooling system according to claim 2, is characterized in that, described bearing pedestal cover plate is positioned on described bearing pedestal body the side towards the cylindrical case of described totally-enclosed machine.
4. bearing ventilation cooling system according to claim 1, is characterized in that, also comprises driving end bearing cooling air duct structure, and described driving end bearing cooling air duct structure comprises the second air inducing air channel, the second cooling air channel and second row air port; Described the second air inducing air channel is surrounded by the intermediate end cover of ventilating duct, described totally-enclosed machine and the driving end end cap of described totally-enclosed machine, and described the second air inducing air channel is communicated with the air outlet of described intermediate end cover; Described the second cooling air channel is arranged on described driving end end cap, and it is communicated with described the second air inducing air channel; Described second row air port is arranged on described driving end end cap, for making the gas in described the second cooling air channel enter atmosphere.
5. bearing ventilation cooling system according to claim 4, is characterized in that, described driving end end cap comprises driving end end cap body and is fixed on the driving end cover plate on described driving end end cap body; Described the second cooling air channel is the interlayer between described driving end end cap body and described driving end cover plate.
6. bearing ventilation cooling system according to claim 5, is characterized in that, described driving end cover plate is positioned on described driving end end cap body the side towards the cylindrical case of described totally-enclosed machine.
7. bearing ventilation cooling system according to claim 4, is characterized in that, described ventilating duct is fixedly connected with described driving end end cap body with described intermediate end cover respectively.
8. a totally-enclosed machine, is characterized in that, comprises bearing ventilation cooling system, and described bearing ventilation cooling system is the bearing ventilation cooling system described in claim 1-7 any one.
CN201420447171.4U 2014-08-08 2014-08-08 Totally-enclosed machine and bearing ventilation cooling system thereof Expired - Fee Related CN204013074U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420447171.4U CN204013074U (en) 2014-08-08 2014-08-08 Totally-enclosed machine and bearing ventilation cooling system thereof

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Application Number Priority Date Filing Date Title
CN201420447171.4U CN204013074U (en) 2014-08-08 2014-08-08 Totally-enclosed machine and bearing ventilation cooling system thereof

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105071583A (en) * 2015-07-16 2015-11-18 南车株洲电机有限公司 Cooling device for totally-enclosed motor
CN107742935A (en) * 2017-10-17 2018-02-27 天津飞旋高速电机科技有限公司 Magnetic suspension high speed motor with novel air-cooled structure
CN110535291A (en) * 2018-05-24 2019-12-03 中车株洲电力机车研究所有限公司 A kind of totally-enclosed machine with heat sinking function

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105071583A (en) * 2015-07-16 2015-11-18 南车株洲电机有限公司 Cooling device for totally-enclosed motor
CN107742935A (en) * 2017-10-17 2018-02-27 天津飞旋高速电机科技有限公司 Magnetic suspension high speed motor with novel air-cooled structure
CN110535291A (en) * 2018-05-24 2019-12-03 中车株洲电力机车研究所有限公司 A kind of totally-enclosed machine with heat sinking function

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