WO2023019422A1 - 一种共轴泵用水冷电机结构 - Google Patents

一种共轴泵用水冷电机结构 Download PDF

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Publication number
WO2023019422A1
WO2023019422A1 PCT/CN2021/112939 CN2021112939W WO2023019422A1 WO 2023019422 A1 WO2023019422 A1 WO 2023019422A1 CN 2021112939 W CN2021112939 W CN 2021112939W WO 2023019422 A1 WO2023019422 A1 WO 2023019422A1
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Prior art keywords
water
motor
cooled
cooled motor
coaxial pump
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PCT/CN2021/112939
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English (en)
French (fr)
Inventor
林发明
盖雪晶
黄奥星
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大福泵业有限公司
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Priority to PCT/CN2021/112939 priority Critical patent/WO2023019422A1/zh
Publication of WO2023019422A1 publication Critical patent/WO2023019422A1/zh

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil

Definitions

  • the invention belongs to the technical field of machinery and relates to a water-cooled motor, in particular to a water-cooled motor structure for a coaxial pump.
  • Water-cooled motor is also called water-cooled high-temperature resistant special frequency conversion motor.
  • Water-cooled high temperature resistant special frequency conversion motor is developed on the basis of frequency conversion speed regulation, special roller table and furnace multi-speed motors according to the needs of metallurgical continuous casting machines and billet discharge site conditions.
  • the designed internal circulation water-cooled frequency conversion speed regulation special motor is also called water-cooled high-temperature resistant special frequency conversion motor.
  • a stainless steel sleeve is generally fixed on the motor casing, and a sealed cavity is formed between the motor casing and the stainless steel sleeve, and a water inlet hole and a water return hole are opened on the cavity; the water inlet hole and the return water hole The hole is opened on the lower end cover between the motor shell and the stainless steel sleeve, and the cooling water return conduit is installed on the return hole; the motor shell and the stainless steel sleeve are fixed through flanges, and the motor shell is connected to the stainless steel sleeve An O-ring seal is installed.
  • a stainless steel sleeve is put on the outside of the motor shell.
  • the device with circulating water is connected to the motor outside.
  • the cooling circulating water flows into the cavity between the motor casing and the stainless steel sleeve through the cooling water inlet hole, and the cooling circulating water flows into the circulating water device outside the motor through the return hole .
  • the object of the present invention is to provide a water-cooled motor structure for coaxial pumps with simple structure, convenient installation and convenient maintenance in order to solve the above problems in the prior art.
  • a coaxial pump water-cooled motor structure including a motor housing, a front end cover installed at the front end of the motor housing, and a rear end cover installed at the rear end of the motor housing
  • a rotating shaft driving the rotor is installed horizontally and transversely in the motor housing
  • a water-cooled motor skeleton is arranged in the motor housing
  • the The motor housing is composed of an outer shell and an inner shell.
  • the water-cooled motor frame is arranged between the outer shell and the motor inner shell.
  • a plurality of water holes for cooling water fluid are provided on the peripheral wall of the water-cooled motor frame at even intervals in the upper direction.
  • the circulation hole when the rectangular hole is filled with cold water, the cooling effect of the motor structure is realized by the cold water.
  • a sealing element 1 is arranged between the water-cooled motor skeleton, the casing, and the front end cover.
  • a sealing element 2 is arranged between the skeleton of the water-cooled motor, the inner casing, and the front end cover.
  • a sealing element three is arranged between the water-cooled motor skeleton, the casing, and the rear end cover.
  • a sealing element 4 is arranged between the skeleton of the water-cooled motor, the inner shell and the rear end
  • the water-cooled motor skeleton is divided into a plurality of spaced reinforcing ribs and fixed rings respectively located at the outer ends of the reinforcing ribs by a plurality of water circulation holes opened on the water-cooling motor skeleton.
  • the middle part of the reinforcing rib is provided with an adjustment hole for adjusting the tightness of the front cover of the water-cooled motor and the back cover of the water-cooled motor with bolts.
  • the fixed ring is provided with a through hole communicating with the water flow hole.
  • the water-cooled motor skeleton in the water-cooled motor structure of the coaxial pump has the advantages of simple structure, safety and reliability, and convenient installation.
  • Fig. 1 is a half-section structural schematic diagram of the water-cooled motor structure of the coaxial pump.
  • Fig. 2 is a three-dimensional structural schematic diagram of the water-cooled motor skeleton in the water-cooled motor structure of the coaxial pump.
  • sealing device 2, front end cover; 3, sealing element 1; 4, sealing element 2; 5, sealing element 3; 6, sealing element 4; 7, casing; 8, bolts; 9, water-cooled motor frame ; 10, inner shell; 11, rear end cover; 12, stator; 13, rotor; 14, rotating shaft; 15, reinforcing rib; 16, water flow hole; 17, adjustment hole;
  • the water-cooled motor structure of the coaxial pump includes a motor housing, a front end cover 2 installed at the front end of the motor housing, a rear end cover 11 installed at the rear end of the motor housing, and a set Stator 12 and rotor 13 inside the motor housing, a rotating shaft 14 driving the rotor 13 is installed horizontally and horizontally in the motor housing, a water-cooled motor skeleton 9 is arranged in the motor housing, and the motor housing is composed of the outer shell 7 and the inner shell.
  • the shell 10 is composed of a water-cooled motor frame 9 arranged between the outer shell 7 and the motor inner shell 10.
  • a number of water circulation holes 16 for cooling water fluid are provided on the wall of the water-cooled motor frame 9 at even intervals in the circumferential direction. When the cold water is full, the cooling effect of the motor structure is achieved through the cold water.
  • a sealing element 3 is arranged between the water-cooled motor frame 9 and the casing 7 and the front end cover 2 .
  • a sealing element 2 4 is arranged between the water-cooled motor skeleton 9 and the inner shell 10 and the front end cover 2 .
  • a sealing element 3 5 is arranged between the water-cooled motor skeleton 9 and the casing 7 and the rear end cover 11 .
  • a sealing element 46 is arranged between the water-cooled motor skeleton 9 and the inner shell 10 and the rear end cover 11.
  • the middle part of the reinforcing rib 15 is provided with an adjustment hole 17 for adjusting the tightness of the water-cooled motor front cover and the water-cooled motor back cover with bolts 8 .

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Motor Or Generator Frames (AREA)
  • Motor Or Generator Cooling System (AREA)

Abstract

一种共轴泵用水冷电机结构，属于机械技术领域。它解决了现有传统水冷电机具有专门的水冷部件带来的结构复杂、安装难度大、维修困难的问题。该共轴泵用水冷电机结构，包括电机壳体、前端盖（2）、后端盖（11）、定子（12）、转子（13）和转轴（14），电机壳体内设置有水冷电机骨架（9），电机壳体由外壳（7）和内壳（10）组成，水冷电机骨架（9）设置于外壳（7）和内壳（10）之间，水冷电机骨架（9）周壁上周向均匀间隔开设有若干水流通孔（16），当水流通孔（16）内积满冷水时，通过冷水对电机结构实现冷却效果。

Description

一种共轴泵用水冷电机结构 技术领域
本发明属于机械技术领域，涉及一种水冷电机，特别涉及一种共轴泵用水冷电机结构。
背景技术
水冷电机又叫水冷耐高温特种变频电动机，水冷耐高温特种变频电动机是在变频调速、特种辊道及炉用多速等系列电机的基础上根据冶金连铸机、出坯现场工况需要开发设计的内循环水冷变频调速特种电动机。
现有传统水冷电机中一般是在电机外壳上固定了不锈钢套筒，电机外壳与不锈钢套筒之间形成密封空腔，空腔上开有进水孔和回水孔；进水孔和回水孔开在电机外壳与不锈钢套筒之间的下端盖上，回水孔上安装有冷却水回流导管；电机外壳与不锈钢套筒之间通过法兰固接，并在电机外壳与不锈钢套筒连接处安装有O型密封圈。采用如上的结构，在电机内去掉了散热风扇，电机内的其它结构保持不变，在电机壳体的外面套上不锈钢套筒，使用时，在电机外部，带循环水的装置接在本新型结构的进水孔与回流孔上，冷却循环水则由冷却水进水孔流入电机外壳和不锈钢套筒之间的空腔内，冷却循环水通过回流孔流到电机外的循环水装置内。
上述传统水冷电机具有专门的水冷部件，结构复杂，安装难度大，维修困难。
发明内容
本发明的目的是针对现有技术中存在的上述问题，提供了一种结构简单、安装方便且维修方便的共轴泵用水冷电机结构。
本发明的目的可通过下列技术方案来实现：一种共轴泵用水冷电机结构，包括电机壳体、安装在电机壳体前端的前端盖、安装在电机壳体后端的后端盖以及设置在电机壳体内部的定子和转子，所述的电机壳体内水平横向安装有一根带动转子运转的转轴，其特征在于，所述的电机壳体内设置有水冷电机骨架，所述的电机壳体由外壳和内壳组成，所述的水冷电机骨架设置于外壳和电机内壳之间，所述的水冷电机骨架周壁上周向均匀间隔的开设有若干个供冷水流体的水流通孔，当该矩形孔内积满冷水时，通过冷水对本电机结构实现冷却的效果。
在上述的一种共轴泵用水冷电机结构中，所述的水冷电机骨架与外壳、前端盖之间设置有密封元件一。
在上述的一种共轴泵用水冷电机结构中，所述的水冷电机骨架与内壳、前端盖之间设置有密封元件二。
在上述的一种共轴泵用水冷电机结构中，所述的水冷电机骨架与外壳、后端盖之间设置有密封元件三。
在上述的一种共轴泵用水冷电机结构中，所述的水冷电机骨架与内壳、后端盖之间设置有密封元件四
在上述的一种共轴泵用水冷电机结构中，所述的水冷电机骨架上开设的若干个水流通孔将水冷骨架分割形成若干个间隔分布的加强筋及分别位于加强筋外端的固定环。
在上述的一种共轴泵用水冷电机结构中，所述的加强筋中部开设有供可螺栓调节水冷电机前盖和水冷电机后盖松紧的调节孔。
在上述的一种共轴泵用水冷电机结构中，所述的固定环开设有与水流通孔相连通的通孔。
与现有技术相比，本共轴泵用水冷电机结构中的水冷电机骨架具有结构简单，安全可靠，安装方便的优点。
附图说明
图1是本共轴泵用水冷电机结构中的半剖结构示意图。
图2是本共轴泵用水冷电机结构中水冷电机骨架的立体结构示意图。
图中，1、密封装置；2、前端盖；3、密封元件一；4、密封元件二；5、密封元件三；6、密封元件四；7、外壳；8、螺栓；9、水冷电机骨架；10、内壳；11、后端盖；12、定子；13、转子；14、转轴；15、加强筋；16、水流通孔；17、调节孔；18、固定环。
具体实施方式
以下是本发明的具体实施例并结合附图，对本发明的技术方案作进一步的描述，但本发明并不限于这些实施例。
如图1、图2所示，本共轴泵用水冷电机结构，包括电机壳体、安装在电机壳体前端的前端盖2、安装在电机壳体后端的后端盖11以及设置在电机壳体内部的定子12和转子13，电机壳体内水平横向安装有一根带动转子13运转的转轴14，电机壳体内设置有水冷电机骨架9，电机壳体由外壳7和内壳10组成，水冷电机骨架9设置于外壳7和电机内壳10之间，水冷电机骨架9周壁上周向均匀间隔的开设有若干个供冷水流体的水流通孔16，当该矩形孔内积满冷水时，通过冷水对本电机结构实现冷却的效果。
作于优先的，水冷电机骨架9与外壳7、前端盖2之间设置有密封元件一3。
作于优先的，水冷电机骨架9与内壳10、前端盖2之间设置有密封元件二4。
作于优先的，水冷电机骨架9与外壳7、后端盖11之间设置有密封元件三5。
作于优先的，水冷电机骨架9与内壳10、后端盖11之间设置有密封元件四6。
作于优先的，水冷电机骨架9上开设的若干个水流通孔16将水冷骨架分割形成若干个间隔分布的加强筋15及分别位于加强筋15外端的固定环18。
作于优先的，加强筋15中部开设有供可螺栓8调节水冷电机前盖和水冷电机后盖松紧的调节孔17。
本文中所描述的具体实施例仅仅是对本发明精神作举例说明。本发明所属技术领域的技术人员可以对所描述的具体实施例做各种各样的修改或补充或采用类似的方式替代，但并不会偏离本发明的精神或者超越所附权利要求书所定义的范围。

Claims (8)

  1. 一种共轴泵用水冷电机结构，包括电机壳体、安装在电机壳体前端的前端盖(2)、安装在电机壳体后端的后端盖(11)以及设置在电机壳体内部的定子(12)和转子(13)，所述的电机壳体内水平横向安装有一根带动转子(13)运转的转轴(14)，其特征在于，所述的电机壳体内设置有水冷电机骨架(9)，所述的电机壳体由外壳(7)和内壳(10)组成，所述的水冷电机骨架(9)设置于外壳(7)和电机内壳(10)之间，所述的水冷电机骨架(9)周壁上周向均匀间隔的开设有若干个供冷水流体的水流通孔(16)，当该矩形孔内积满冷水时，通过冷水对本电机结构实现冷却的效果。
  2. 根据权利要求1所述的一种共轴泵用水冷电机结构，其特征在于，所述的水冷电机骨架(9)与外壳(7)、前端盖(2)之间设置有密封元件一(3)。
  3. 根据权利要求1所述的一种共轴泵用水冷电机结构，其特征在于，所述的水冷电机骨架(9)与内壳(10)、前端盖(2)之间设置有密封元件二(4)。
  4. 根据权利要求1所述的一种共轴泵用水冷电机结构，其特征在于，所述的水冷电机骨架(9)与外壳(7)、后端盖(11)之间设置有密封元件三(5)。
  5. 根据权利要求1所述的一种共轴泵用水冷电机结构，其特征在于，所述的水冷电机骨架(9)与内壳(10)、后端盖(11)之间设置有密封元件四(6)。
  6. 根据权利要求1所述的一种共轴泵用水冷电机结构，其特征在于，所述的水冷电机骨架(9)上开设的若干个水流通孔(16)将水冷骨架分割形成若干个间隔分布的加强筋(15)及分别位于加强筋(15)外端的固定环(18)。
  7. 根据权利要求6所述的一种共轴泵用水冷电机结构，其特征在于，所述的加强筋(15)中部开设有供可螺栓(8)调节水冷电机前盖和水冷电机后盖松紧的调节孔(17)。
  8. 根据权利要求6所述的一种共轴泵用水冷电机结构，其特征在于，所述的固定环(18)开设有与水流通孔(16)相连通的通孔。
PCT/CN2021/112939 2021-08-17 2021-08-17 一种共轴泵用水冷电机结构 WO2023019422A1 (zh)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07111758A (ja) * 1993-10-08 1995-04-25 Showa Alum Corp 水冷式モータハウジング
JPH08205474A (ja) * 1995-01-23 1996-08-09 Nippondenso Co Ltd 液冷式回転電機
CN101951069A (zh) * 2010-09-09 2011-01-19 上海中科深江电动车辆有限公司 电机壳体冷却水路结构
WO2013113560A2 (de) * 2012-02-03 2013-08-08 Paul Kohler Kühlmantel für eine kraft- oder arbeitsmaschine
CN111740531A (zh) * 2020-07-28 2020-10-02 大福泵业有限公司 一种共轴泵用水冷电机结构

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07111758A (ja) * 1993-10-08 1995-04-25 Showa Alum Corp 水冷式モータハウジング
JPH08205474A (ja) * 1995-01-23 1996-08-09 Nippondenso Co Ltd 液冷式回転電機
CN101951069A (zh) * 2010-09-09 2011-01-19 上海中科深江电动车辆有限公司 电机壳体冷却水路结构
WO2013113560A2 (de) * 2012-02-03 2013-08-08 Paul Kohler Kühlmantel für eine kraft- oder arbeitsmaschine
CN111740531A (zh) * 2020-07-28 2020-10-02 大福泵业有限公司 一种共轴泵用水冷电机结构

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