WO2020124981A1 - Ensemble ventilateur centrifuge intégré ayant une maintenabilité élevée - Google Patents

Ensemble ventilateur centrifuge intégré ayant une maintenabilité élevée Download PDF

Info

Publication number
WO2020124981A1
WO2020124981A1 PCT/CN2019/093309 CN2019093309W WO2020124981A1 WO 2020124981 A1 WO2020124981 A1 WO 2020124981A1 CN 2019093309 W CN2019093309 W CN 2019093309W WO 2020124981 A1 WO2020124981 A1 WO 2020124981A1
Authority
WO
WIPO (PCT)
Prior art keywords
motor
ventilation unit
centrifugal
groove
unit according
Prior art date
Application number
PCT/CN2019/093309
Other languages
English (en)
Chinese (zh)
Inventor
王本义
任晶
易铁航
安然
李沃原
Original Assignee
中车大连机车研究所有限公司
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 中车大连机车研究所有限公司 filed Critical 中车大连机车研究所有限公司
Publication of WO2020124981A1 publication Critical patent/WO2020124981A1/fr

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
    • F04D29/30—Vanes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/60—Mounting; Assembling; Disassembling
    • F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
    • F04D29/624—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/668—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps damping or preventing mechanical vibrations
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans

Definitions

  • the invention relates to the technical field of centrifugal fans, in particular to a high-maintenance integrated centrifugal fan unit.
  • the centrifugal ventilation unit has an important role in its performance.
  • the existing centrifugal ventilation unit is directly installed on the locomotive through bolts.
  • the bolts used for fixing need to be completely removed, resulting in its installation or disassembly The process consumes a lot of time.
  • the present invention proposes a high-maintenance integrated centrifugal ventilation unit.
  • the centrifugal ventilation unit can be easily installed on or removed from the locomotive.
  • a high-maintenance integrated centrifugal ventilation unit includes a current collector, a centrifugal impeller, a mounting frame and a motor, the motor is fixed on the mounting frame, the centrifugal impeller is mounted on the output shaft of the motor, and the current collector is fixed on
  • the mounting frame is placed on the front end of the centrifugal impeller, and also includes a slide rail and a T-shaped bolt.
  • the slide rail is provided with a T-shaped chute extending along its length.
  • the mounting frame is installed on the T-shaped slide through the T-shaped bolt. In the slot
  • the T-shaped chute includes a screw accommodating groove and a clamping groove, and there are two sliding surfaces in the clamping groove, the two sliding surfaces are oppositely arranged with the center line of the T-shaped chute as a symmetry axis, and the sliding surface Inclined with the center line of the T-shaped chute so that the depth of the card slot gradually increases in the direction along the center line of the T-shaped chute to both sides,
  • the T-bolt includes a head and a screw, the head is fixed at one end of the screw, an end surface of the head with the screw is provided with a clamping surface having the same angle as the sliding surface, and the screw is provided There is a fixing nut for fixing the T-bolt and the mounting bracket;
  • shock absorber is also provided between the mounting bracket and the fixing nut;
  • one end of the mounting frame on which the current collector is fixed has a mounting plate, the mounting surface of the current collector is provided with a groove, and a sealing rubber strip is provided in the groove;
  • the centrifugal impeller includes a front disc, a backward blade, a rear disc, and an axle disc.
  • the front disc, the backward blade, and the rear disc are welded together, and the axle disc and the rear disc are connected by bolts.
  • the rear disc has a forward A conical groove recessed on one side of the disk, when the motor is connected to the centrifugal impeller, the front end of the motor is placed in the conical groove;
  • cone angle of the tapered groove is 152° to 156°;
  • the front disc has a plurality of slots distributed uniformly in the circumferential direction, the slots are rectangular, and the backward blades are inserted into the slots and welded and fixed;
  • the output shaft of the motor is a tapered shaft, and the front end of the tapered shaft has a left-hand thread, and the screw direction is opposite to that of the impeller;
  • water leakage openings are provided on the upper and lower sides of the front and rear ends of the motor.
  • the centrifugal ventilation unit also includes a slide rail and a T-bolt, and the slide rail is provided with a T-shaped chute and a centrifugal fan
  • the mounting bracket is connected to the T-shaped chute through T-shaped bolts. During the installation and disassembly of the centrifugal fan, only the nut set on the bolt needs to be loosened slightly, which reduces the working strength; 2. Because the mounting bracket uses T-shaped bolts Connected with T-shaped chute, T-shaped bolts can be easily inserted into T-shaped chute, thus reducing the requirements for installation accuracy and reducing the working intensity of installation; 3.
  • T-shaped chute has an inclined sliding surface
  • T The type bolt has a matching clamping surface, so that when the T-shaped bolt is placed in the T-shaped chute, the sliding surface and the clamping surface interact to automatically align the motor and ensure the installation accuracy; 4.
  • the mounting bracket There is a shock absorber between it and the fixing nut, which can reduce the vibration introduced to the centrifugal fan and ensure its working life; 5.
  • the centrifugal impeller is provided with a tapered groove. When the motor and the centrifugal impeller are fixed, the front end of the motor is placed In the conical groove, the volume of the centrifugal fan group can be reduced to make it smaller; 6.
  • the centrifugal impeller is provided with a slot, which can facilitate positioning during the blade welding process of the centrifugal impeller.
  • FIG. 1 is a front view of the high-maintenance integrated centrifugal ventilation unit disclosed in the present invention
  • Figure 2 is the right side view of Figure 1;
  • Figure 3 is an enlarged view of the dotted line in Figure 2;
  • Figure 4 is a structural diagram of the slide rail
  • FIG. 5 is a structural diagram of the T-bolt
  • FIG. 6 is a structural diagram of the centrifugal impeller
  • FIG. 7 is a right side view of FIG. 6;
  • Figure 8a is a front view of the current collector
  • FIG. 8b is a cross-sectional view at A-A in FIG. 8a;
  • Fig. 9 is a structural diagram of a motor output shaft.
  • a high-maintenance integrated centrifugal ventilation unit disclosed by the present invention includes a current collector 1, a centrifugal impeller 2, a mounting frame 3, and a motor 4.
  • the motor 4 is fixed on the mounting frame 3
  • the centrifugal impeller 2 is mounted on the output shaft 41 of the motor 4
  • the current collector 1 is fixed on the mounting frame 3 and placed at the front end of the centrifugal impeller 2, and also includes a slide rail 5 and a T-bolt 6, the slide rail 5 is provided with a T-shaped chute 50 extending in the longitudinal direction thereof, and the mounting bracket 3 is installed in the T-shaped chute 50 through a T-shaped bolt 6.
  • the slide rail 5 is fixed to the bottom mounting beam of the vehicle by bolts.
  • the T-shaped chute 50 includes a screw receiving groove 51 and a clamping groove 52, and the clamping groove 52 has two sliding surfaces 53, the two sliding The surface 53 is oppositely arranged with the center line of the T-shaped chute 50 as the axis of symmetry.
  • the T-shaped bolt 6 includes a head 60 and a screw 61. The head 60 is fixed to one end of the screw 61. The head 60 has a screw 61 An engaging surface 62 having the same angle as the sliding surface 53 is provided on one end surface of the shaft, and a fixing nut 7 for fixing the T-bolt 6 and the mounting frame 3 is provided on the screw 61.
  • the T-shaped bolt 6 When the T-shaped bolt 6 is connected to the T-shaped chute 50, the head of the T-shaped bolt 6 is placed in the clamping groove 52 and the clamping surface 62 is in contact with the sliding surface 53, the T-shaped bolt 6 can be in the T-shaped chute 50 slide.
  • the current collector 1, the centrifugal impeller 2 and the motor 4 are all installed on the mounting frame 3 to form an integrated structure, and the mounting frame 3 is fixed with a T-bolt 6, when the centrifugal ventilation unit needs to be installed on the locomotive
  • the screw-in and screw-out causes time-consuming and other problems.
  • the centrifugal ventilation unit of the present invention can be installed on the locomotive through the slide rail, or can be hoisted on the locomotive.
  • the sliding surface 53 may be perpendicular to the center line of the T-shaped sliding groove 50 so that the clamping groove 52 is a rectangular groove.
  • the sliding surface 53 and the center line of the T-shaped chute 50 are inclined so that the locking slot 52 is on both sides along the center line of the T-shaped chute 50
  • the depth gradually increases in the direction of (the cross-sectional shape of the clamping slot is a right-angled trapezoid with two upper bottoms butted, and the sides of the two right-angled clips of the trapezium are on the side away from the screw receiving groove in the height direction of the slide rail), the head
  • the engaging surface 62 of the portion 60 is an inclined surface having the same angle as the oblique waist of the trapezoid.
  • the T-shaped bolt 6 When the mounting bracket 3 is connected to the T-shaped chute 50 through the T-shaped bolt 6, the T-shaped bolt 6 interacts with the sliding surface and the clamping surface under the gravity of the centrifugal ventilation unit, making the center line of the T-shaped bolt and the T-shaped sliding The center lines of the slots are aligned with each other to ensure installation accuracy.
  • a damper 8 is further provided between the mounting frame 3 and the fixing nut 7, which can reduce the vibration between the locomotive and the centrifugal ventilation unit.
  • one end of the mounting bracket 3 on which the current collector 1 is fixed has a mounting plate 30, as shown in FIGS. 8a and 8b, the mounting surface of the current collector 1 is provided with a groove 10.
  • the groove 10 it is fixedly connected to the mounting plate by a countersunk bolt, and a sealing strip 11 is provided in the groove 10.
  • the centrifugal impeller 2 includes a front disc 20, a backward blade 21, a rear disc 22, and a shaft disc 23.
  • the front disc 20, the rear blade 21, and the rear disc 22 are welded together
  • the shaft disk 23 and the rear disk 22 are connected by bolts.
  • the rear disk 22 has a tapered groove 25 recessed on the side of the front disk 20.
  • the front end of the motor is placed in a cone In the shape of the groove, when the motor is fixed with the centrifugal impeller, the front end of the motor is placed in the tapered groove, which can reduce the volume of the centrifugal fan group and make it smaller.
  • the cone angle of the tapered groove is 152° to 156°.
  • a plurality of slots 24 are evenly distributed on the outer circumference of the front disc 20.
  • the slots 24 are rectangular.
  • the backward blades are inserted into the slots and welded and fixed. It is convenient to position the backward blades for welding.
  • the output shaft 41 of the motor is a tapered shaft, which includes a threaded portion 42 and a tapered portion 43.
  • the threaded portion 42 is provided with a left-handed thread.
  • the thread direction is opposite to that of the impeller. Avoid loose impeller.
  • the upper and lower sides of the front and rear ends of the motor are provided with water leakage ports 40, which can facilitate the discharge of condensed water generated inside the motor due to changes in the external high and low temperature when sitting or lifting.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

Ensemble ventilateur centrifuge intégré ayant une maintenabilité élevée, comprenant un concentrateur de débit (1), une roue centrifuge (2), un bâti de montage (3), et un moteur (4). Le moteur (4) est fixé sur le bâti de montage(3). La roue centrifuge (2) est fixée sur un arbre de sortie (41) du moteur (4). Le concentrateur de débit(1) est fixé sur le bâti de montage (3) et disposé à l'extrémité avant de la roue centrifuge (2). Ledit ensemble ventilateur comprend en outre un rail coulissant (5) et un boulon en forme de T (6). Le rail de glissement (5) est pourvu d'un guidage de glissement en forme de T (50) dans la direction axiale de celui-ci. Le bâti de montage (3) est montée dans le guidage de glissement en forme de T (50) au moyen du boulon en forme de T (6).
PCT/CN2019/093309 2018-12-17 2019-06-27 Ensemble ventilateur centrifuge intégré ayant une maintenabilité élevée WO2020124981A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201811543741.9 2018-12-17
CN201811543741.9A CN109340157A (zh) 2018-12-17 2018-12-17 一种高维护性一体式离心通风机组

Publications (1)

Publication Number Publication Date
WO2020124981A1 true WO2020124981A1 (fr) 2020-06-25

Family

ID=65304322

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2019/093309 WO2020124981A1 (fr) 2018-12-17 2019-06-27 Ensemble ventilateur centrifuge intégré ayant une maintenabilité élevée

Country Status (2)

Country Link
CN (1) CN109340157A (fr)
WO (1) WO2020124981A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109340157A (zh) * 2018-12-17 2019-02-15 中车大连机车研究所有限公司 一种高维护性一体式离心通风机组

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29719605U1 (de) * 1997-11-05 1997-12-18 Gebhardt Ventilatoren GmbH & Co, 74638 Waldenburg Ventilatoranordnung
CN201539421U (zh) * 2009-09-03 2010-08-04 上海诺地乐通用设备制造有限公司 离心风机抽出式结构
CN206017216U (zh) * 2016-08-30 2017-03-15 安陆市盛鑫风机有限公司 一种便于拆装的离心风机
CN206708100U (zh) * 2017-04-28 2017-12-05 宜昌市西峡泵业有限公司 离心泵和驱动电机多尺寸匹配安装基座
CN109340157A (zh) * 2018-12-17 2019-02-15 中车大连机车研究所有限公司 一种高维护性一体式离心通风机组

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7077627B2 (en) * 2004-08-16 2006-07-18 Minel Kupferberg Fan assembly and method
CN104265673A (zh) * 2014-10-10 2015-01-07 江苏富丽华通用设备有限公司 一种用于轴流风机电机的固定支架
CN204415397U (zh) * 2014-12-16 2015-06-24 南车青岛四方机车车辆股份有限公司 高速动车组的车体及外风挡安装结构
CN205532714U (zh) * 2016-02-03 2016-08-31 维机轨道交通科技（镇江）有限公司 防滑槽道
CN205841248U (zh) * 2016-03-25 2016-12-28 株洲联诚集团有限责任公司 一种无蜗壳式的动车组牵引变流器用冷却风机
CN206889302U (zh) * 2017-07-04 2018-01-16 江苏中科云控智能工业装备有限公司 一种便于拆装的散热装置用电扇
CN208057464U (zh) * 2018-04-02 2018-11-06 威海克莱特菲尔风机股份有限公司 离心风机
CN209510680U (zh) * 2018-12-17 2019-10-18 中车大连机车研究所有限公司 一种高维护性一体式离心通风机组

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29719605U1 (de) * 1997-11-05 1997-12-18 Gebhardt Ventilatoren GmbH & Co, 74638 Waldenburg Ventilatoranordnung
CN201539421U (zh) * 2009-09-03 2010-08-04 上海诺地乐通用设备制造有限公司 离心风机抽出式结构
CN206017216U (zh) * 2016-08-30 2017-03-15 安陆市盛鑫风机有限公司 一种便于拆装的离心风机
CN206708100U (zh) * 2017-04-28 2017-12-05 宜昌市西峡泵业有限公司 离心泵和驱动电机多尺寸匹配安装基座
CN109340157A (zh) * 2018-12-17 2019-02-15 中车大连机车研究所有限公司 一种高维护性一体式离心通风机组

Also Published As

Publication number Publication date
CN109340157A (zh) 2019-02-15

Similar Documents

Publication Publication Date Title
WO2020124981A1 (fr) Ensemble ventilateur centrifuge intégré ayant une maintenabilité élevée
CN210510054U (zh) 一种组合型冷却通风制动盘
CN201284761Y (zh) 机车用轴流式高压通风机
CN209191842U (zh) 一种发动机下护板
CN209510680U (zh) 一种高维护性一体式离心通风机组
CN108412793B (zh) 交流传动电力机车用牵引通风机及其机车
CN205089439U (zh) 一种柴油机用风扇托架总成
CN203201868U (zh) 一种机翼型可调角度射流风机
CN211786459U (zh) 一种具有自排热效果的法拉第旋光器
CN203441792U (zh) 风电空冷器轴流式冷却风机
CN208845608U (zh) 一种机动车刹车盘
CN109488640B (zh) 一种磁悬浮鼓风机中转子的冷却风出风的结构
CN207945118U (zh) 一种管道风机
CN207982885U (zh) 一种机械传动主轴
CN208578748U (zh) 交流传动电力机车用牵引通风机及其机车
CN216716640U (zh) 一种内部可隔离防尘的冷凝器
CN208907405U (zh) 一种降低风机振动的工艺结构
CN219747589U (zh) 一种新型高效抛丸器
CN218000365U (zh) 一种具有散热功能的行星轮架
CN204783824U (zh) 叶片为反水滴形、背板为碟形的防积尘风机叶轮
CN214755857U (zh) 多功能新型端盖
CN108252790A (zh) 一种环保加强型散热风扇
CN208364416U (zh) 一种地铁牵引变流器冷却离心通风机
CN219713713U (zh) 一种新能源汽车冷凝器
CN220197051U (zh) 一种除尘结构及加工设备

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 19899219

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 19899219

Country of ref document: EP

Kind code of ref document: A1

32PN Ep: public notification in the ep bulletin as address of the adressee cannot be established

Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205A DATED 10.08.2021)

122 Ep: pct application non-entry in european phase

Ref document number: 19899219

Country of ref document: EP

Kind code of ref document: A1