CN207554375U - A kind of double air intake centrifugal fans of locomotive air conditioner system - Google Patents

A kind of double air intake centrifugal fans of locomotive air conditioner system Download PDF

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Publication number
CN207554375U
CN207554375U CN201721023913.0U CN201721023913U CN207554375U CN 207554375 U CN207554375 U CN 207554375U CN 201721023913 U CN201721023913 U CN 201721023913U CN 207554375 U CN207554375 U CN 207554375U
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China
Prior art keywords
motor
air inlet
inlet duct
impeller
spiral case
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CN201721023913.0U
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Chinese (zh)
Inventor
成毅
何高兴
栾烨
卢亮
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Hunan Lince Rolling Stock Equipment Co Ltd
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Zhuzhou Lince Group Co Ltd
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Abstract

The utility model is related to a kind of double air intake centrifugal fans, including spiral case, air inlet duct, impeller, motor, supporting rod, bearing bracket stand, bearing, it is characterised in that described ventilation blower is double air intake centrifugal fans.The air inlet duct uses arc-shaped structure, can reduce air inlet duct and the vortex near hub disk, and air inlet duct is fixed on by flange on spiral case side plate.The impeller is forward multiple wing formula structure, can improve blower pressure;Using double air intake structures, i.e., wheel disc can enter the wind before and after impeller, can improve compressor flow;Impeller is fixed on the shaft shoulder position of motor by spindle nose baffle, round nut stop washer and round nut, ensures that impeller is not departed from motor shaft tight fit;Described supporting rod one end is fixed with motor tail portion, and another section is fixed with spiral case side plate;The bearing is fitted close with motor-shaft extending end position, and in fixed and bearing bracket stand;The bearing bracket stand is installed by fastener with spiral case side plate and fixed.

Description

A kind of double air intake centrifugal fans of locomotive air conditioner system
Technical field
The utility model is related to a kind of double air intake centrifugal fans of locomotive air conditioner system,
Belong to rail traffic field of fluid machinery.
Background technology
Ventilation blower is an important devices of locomotive air conditioner system, and air-conditioning system generates amount of heat during locomotive operation, such as Fruit heat cannot distribute in time, and the air-conditioning of locomotive will be stopped, and train is caused to be not normally functioning.Such existing ventilation Machine is only provided with an air inlet (air inlet duct), air-conditioning system cooling required is big using traditional centrifugal fan Flow, conventional fan are difficult to meet;In addition, the motor of such ventilation blower is external rotor electric machine, reliability is not high.Therefore, it is necessary to It designs a Special ventilator and cooling down is carried out to air-conditioning system, so that its Wen Sheng is within allowed band;It is existing to improve The deficiency of ventilation blower need to redesign the structure of ventilation blower.
Invention content
Utility model aims to overcome that above-mentioned insufficient and defect, provides that a kind of stable, flow is big and maintenance side Just the double air intake centrifugal fans of locomotive air conditioner system.
The technical solution of the utility model:A kind of double air intake centrifugal fans, including spiral case, air inlet duct, impeller, electricity Machine, supporting rod, bearing bracket stand, bearing, set that there are two air inlet duct and three supporting rods on the centrifugal fan;Wherein, it is described Two air inlet ducts be separately positioned on motor aft end and bearing end, i.e. the air inlet duct of bearing end is bolted with spiral case, The air inlet duct of motor aft end is bolted with spiral case;
Three supporting rods are uniformly arranged between motor and air inlet duct, i.e., three supporting rod one end are consolidated by bolt Motor tail portion is scheduled on, the other end is pressed on air inlet duct, and is bolted on spiral case;
The axle stretch end of the impeller press-in motor, and pass through spindle nose baffle, stop washer and round nut and be locked, make Its impeller is not departed from motor tight fit;The impeller is forward multiple wing formula structure;To meet the needs of client is to high pressure;Electricity Machine is placed in spiral case, and motor-shaft extending end is fitted close with bearing.
Double air intake centrifugal fans, it is characterised in that gap between the air inlet duct and impeller for 3~ 6mm.Air inlet duct can be reduced with impeller 3 nearby using arc-shaped structure, air inlet duct and the vortex near hub disk can be reduced.
The double air intake centrifugal fans of the locomotive air conditioner system, it is characterised in that the motor is internal rotor electricity Machine.The type motor makes its fan operation reliable, meanwhile, motor front and back end is fixed, ensures the coaxial of impeller installation Degree improves fan efficiency;
The double air intake centrifugal fans of the locomotive air conditioner system, it is characterised in that the air inlet duct uses circular arc Shape structure.Air inlet duct and the vortex near hub disk can be reduced.
Air inlet duct in the utility model uses arc-shaped structure, can reduce air inlet duct and the vortex near hub disk, Air inlet duct is fixed on by flange on spiral case side plate.Impeller is forward multiple wing formula structure, can improve blower pressure;Using double Air intake structure, wheel disc can enter the wind before and after making its impeller, can improve compressor flow;Impeller is stopped by spindle nose baffle, round nut Washer and round nut are fixed on the shaft shoulder position of motor, ensure that impeller is not departed from motor shaft tight fit;The support Bar one end is fixed with motor tail portion, and another section is fixed with spiral case side plate;The bearing is closely matched with motor-shaft extending end position It closes, and in fixed and bearing bracket stand;The bearing bracket stand is installed by fastener with spiral case side plate and fixed.
The technical essential of this wind turbine is:Wind turbine is provided with two air inlets, meets the needs of client is to big flow;Impeller is Forward multiple wing formula structure meets requirement of the wind turbine to high pressure;Motor uses inner rotor motor, ensures the reliable of fan operation Property, meanwhile, motor front and back end is fixed, ensures the concentricity of impeller installation, improves fan efficiency.
Description of the drawings
Fig. 1 is the main structure diagram figure of the utility model;
Fig. 2 is the left view structural representation figure of the utility model;
Fig. 3 is the right side structural representation figure of the utility model;
Fig. 4 is the dimensional structure diagram of the utility model.
In figure:1- spiral cases, 2- air inlet ducts, 3- impellers, 4- motors, 5- supporting rods, 6- bearing bracket stands, 7- bearings.
Specific embodiment
Refering to above-mentioned attached drawing, a kind of double air intake centrifugal fans, including spiral case 1, air inlet duct 2, impeller 3, motor 4, branch Strut 5, bearing bracket stand 6, bearing 7, set that there are two air inlet duct 2 and three supporting rods 5 on the centrifugal fan;Wherein, two Air inlet duct 2 is separately positioned on 7 end of 4 aft end of motor and bearing, i.e., after the air inlet duct 2 of bearing end is bolted with spiral case 1, The air inlet duct 2 of motor aft end is bolted with spiral case 1;
Three supporting rods 5 are uniformly arranged between motor 4 and air inlet duct 2, i.e., three 5 one end of supporting rod pass through spiral shell Bolt is fixed on 4 tail portion of motor, and the other end is pressed on air inlet duct 2, and is bolted on spiral case 1;
The impeller 3 is pressed into the axle stretch end of motor 4, and passes through spindle nose baffle, stop washer and round nut and be locked, Its impeller 3 is made to be fitted close with motor 4 not depart from;The impeller 3 is forward multiple wing formula structure;To meet need of the client to high pressure It asks;Motor 4 is placed in spiral case 1, and 4 axle stretch end of motor is fitted close with bearing 7.
Double air intake centrifugal fans, it is characterised in that the gap between the air inlet duct 2 and impeller 3 is 3 ~6mm.Air inlet duct and the vortex near impeller 3 can be reduced.
The motor 4 is inner rotor motor.The type motor makes its fan operation reliable, meanwhile, to 4 front and back end of motor It is fixed, ensures the concentricity of impeller installation, improve fan efficiency;
The air inlet duct 2 uses arc-shaped structure.Air inlet duct and the vortex near hub disk can be reduced.
A kind of double air intake centrifugal fans, including 1, two air inlet duct 2 of spiral case, impeller 3,4, three supporting rods 5 of motor, Bearing bracket stand 6, bearing 7;
The impeller 3 is pressed into the axle stretch end of motor 4, and passes through spindle nose baffle, round nut stop washer and round nut lock Tightly, ensure that impeller 3 is not departed from the tight fit of motor 4;
After the air inlet duct 2 of the bearing end is bolted with spiral case 1, bearing 7 is caught in the bearing housing of bearing bracket stand 6 It is interior, and be integrally pressed on air inlet duct 2, it is secured by bolts on spiral case 2;
The motor 4 is placed in spiral case 1, and axle stretch end is fitted close with bearing 7;
The air inlet duct 2 of the motor aft end is bolted with spiral case 1;
Three described 5 one end of supporting rod are bolted with 4 tail portion of motor, and the other end is pressed on air inlet duct 2, is passed through Bolt is fixed on spiral case 1.

Claims (4)

1. a kind of double air intake centrifugal fans of locomotive air conditioner system, including spiral case(1), air inlet duct(2), impeller(3), motor (4), supporting rod(5), bearing bracket stand(6), bearing(7), it is characterised in that:
A, air inlet duct there are two being set on the centrifugal fan(2)With three supporting rods(5);Wherein, described two air inlets Road(2)It is separately positioned on motor(4)Aft end and bearing(7)End, the i.e. air inlet duct of bearing end(2)With spiral case(1)Pass through bolt Connection, the air inlet duct of motor aft end(2)With spiral case(1)It is bolted;
Three supporting rods(5)It is uniformly arranged in motor(4)With air inlet duct(2)Between, i.e. three supporting rods(5)One end leads to It crosses bolt and is fixed on motor(4)Tail portion, the other end are pressed in air inlet duct(2)On, and it is bolted on spiral case(1)On;
B, the impeller(3)It is pressed into motor(4)Axle stretch end, and it is solid to pass through spindle nose baffle, stop washer and round nut locking It is fixed, the impeller(3)For forward multiple wing formula structure;Motor(4)It is placed in spiral case(1)It is interior, motor(4)Axle stretch end and bearing(7)Closely Cooperation.
2. the double air intake centrifugal fans of locomotive air conditioner system as described in claim 1, it is characterised in that the air inlet Road(2)With impeller(3)Between gap be 3~6mm.
3. the double air intake centrifugal fans of locomotive air conditioner system as described in claim 1, it is characterised in that the motor (4)For inner rotor motor.
4. the double air intake centrifugal fans of locomotive air conditioner system as described in claim 1, it is characterised in that the air inlet Road(2)Using arc-shaped structure.
CN201721023913.0U 2017-08-16 2017-08-16 A kind of double air intake centrifugal fans of locomotive air conditioner system Active CN207554375U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721023913.0U CN207554375U (en) 2017-08-16 2017-08-16 A kind of double air intake centrifugal fans of locomotive air conditioner system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721023913.0U CN207554375U (en) 2017-08-16 2017-08-16 A kind of double air intake centrifugal fans of locomotive air conditioner system

Publications (1)

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CN207554375U true CN207554375U (en) 2018-06-29

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110307170A (en) * 2019-06-19 2019-10-08 青岛海尔空调器有限总公司 Centrifugal blower and air conditioner with it
CN111173764A (en) * 2020-03-12 2020-05-19 江苏兆胜科技股份有限公司 Double-air-inlet centrifugal fan

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110307170A (en) * 2019-06-19 2019-10-08 青岛海尔空调器有限总公司 Centrifugal blower and air conditioner with it
CN111173764A (en) * 2020-03-12 2020-05-19 江苏兆胜科技股份有限公司 Double-air-inlet centrifugal fan

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Address after: 412000 technical management department, Lianxin group, Tianxin north gate, Shifeng District, Zhuzhou, Hunan

Patentee after: ZHUZHOU LINCE GROUP Co.,Ltd.

Address before: 412000 technical management department, Lianxin group, Tianxin north gate, Shifeng District, Zhuzhou, Hunan

Patentee before: ZHUZHOU LINCE GROUP Co.,Ltd.

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20230626

Address after: No. 66 and 68 Liancheng Road, Shifeng District, Zhuzhou City, Hunan Province, 412000

Patentee after: HUNAN LINCE ROLLING STOCK EQUIPMENT Co.,Ltd.

Address before: 412000 technical management department, Lianxin group, Tianxin north gate, Shifeng District, Zhuzhou, Hunan

Patentee before: ZHUZHOU LINCE GROUP Co.,Ltd.