WO2017197810A1 - 用轴向间隔减震圈安装的外转子电机及应用其的风机负载 - Google Patents

用轴向间隔减震圈安装的外转子电机及应用其的风机负载 Download PDF

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Publication number
WO2017197810A1
WO2017197810A1 PCT/CN2016/098492 CN2016098492W WO2017197810A1 WO 2017197810 A1 WO2017197810 A1 WO 2017197810A1 CN 2016098492 W CN2016098492 W CN 2016098492W WO 2017197810 A1 WO2017197810 A1 WO 2017197810A1
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WIPO (PCT)
Prior art keywords
bearing
circular boss
rotor motor
ring
stator assembly
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PCT/CN2016/098492
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English (en)
French (fr)
Inventor
何锦豪
朱金成
王雄程
付桂文
刘坤盼
伍建新
鲁洪浪
Original Assignee
中山大洋电机股份有限公司
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Application filed by 中山大洋电机股份有限公司 filed Critical 中山大洋电机股份有限公司
Publication of WO2017197810A1 publication Critical patent/WO2017197810A1/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
    • H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
    • 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
    • H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
    • H02K5/161—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields radially supporting the rotary shaft at both ends of the rotor
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or 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 present invention relates to an outer rotor motor mounted with axially spaced damper rings and a fan load applied thereto.
  • the existing fan load uses a large number of inner rotor motor to drive the wind wheel.
  • the inner rotor motor generally includes a stator, an inner rotor and a casing.
  • the stator is sleeved on the inner wall of the casing, and the inner rotor is sleeved in the inner cavity of the stator.
  • the damper ring 1B is usually attached to both ends of the casing 1A of the rotor motor of the motor, and then supported by the damper ring 1B at both ends of the casing 1A by the U-shaped bracket 1C. And locked with the locking device 1D.
  • the outer rotor motor Because the output torque is large, the outer rotor motor has a smaller volume and lower cost than the inner rotor motor under the same output power. There is a wide demand in the fan load, but due to the structural problems of the outer rotor motor, after installation The anti-vibration performance is poor and can not meet the demand. In addition, some manufacturers hope to directly use the outer rotor motor without changing any structure of the fan load. This requires designing an outer rotor motor to meet the above requirements.
  • the object of the present invention is to provide an outer rotor motor mounted by an axially spaced damper ring and a fan load applied thereto, which can be installed with axially spaced damper rings, has good anti-vibration performance, simple structure and low cost, and The traditional inner rotor motor is installed in the same way and has good versatility.
  • An outer rotor motor mounted with an axially spaced damper ring comprising an outer rotor motor, the outer rotor motor comprising a stator assembly, a rotor assembly and a rotating shaft, the rotor assembly being coupled to the rotating shaft, and the rotor assembly being assembled on the stator assembly Outside, the stator assembly is axially spaced apart from the first bearing and the second bearing, the rotating shaft is mounted on the first bearing and the second bearing, and the outer side of the bottom of the stator assembly radially protrudes from the mounting plate, characterized in that it further comprises a
  • the mounting bracket is sleeved on the outside of the rotor assembly, and the bottom of the mounting bracket is mounted on the mounting plate, and the first round boss is protruded in the middle of the end surface of the stator assembly.
  • the top of the mounting bracket protrudes from the second circular boss, and the first circular boss and the second circular boss are coaxially spaced apart.
  • the second circular boss described above is a hollow formed bearing chamber, and the third bearing is mounted inside the bearing chamber of the second circular boss, and the rotating shaft is mounted and supported on the third bearing.
  • the stator assembly described above is a plastically sealed stator comprising a stator core, an end insulation, a coil winding, a molding body and a bearing housing, the end insulation is mounted on the end face of the stator core, and the coil winding is wound around the end insulation.
  • the molding body integrally connects the stator core, the coil winding, the end insulation and the bearing housing, and the first circular boss protrudes from the middle of the end surface of the molding body.
  • the stator assembly described above comprises a base and a stator core, and a hollow connecting post protrudes upwardly from the middle of the base.
  • the stator core is sleeved on the outside of the connecting post by a central hole, and the first circular boss is from the base
  • the end of the seat is convex in the middle.
  • the mounting bracket described above comprises a ring at the bottom, a plurality of connecting ribs in the middle and a top plate at the top.
  • the ring and the top plate are connected by a plurality of spaced connecting ribs, and the second round boss is protruded outward in the center of the top plate, and is installed.
  • the plate has a rounded side and the ring is mounted on the outer side of the mounting plate.
  • a card slot is formed between the adjacent two connecting ribs, and the outer side wall of the mounting plate is circumferentially spaced apart from the plurality of blocks.
  • the ring is mounted on the outer side of the mounting plate, the card is embedded in the card.
  • the block is pressed at the top of the ring to limit the axial movement of the mounting bracket in the upward direction, and a retaining ring is arranged below the third bearing, the retaining ring is mounted on the rotating shaft, and the retaining ring limits the third bearing and the mounting bracket downward direction Axial movement.
  • the above-mentioned rotating shaft may protrude from the bottom of the stator assembly or protrude from the third bearing, or simultaneously protrude from the bottom of the stator assembly and the third bearing to form a biaxial stretching structure.
  • the inner side and the outer side of the connecting rib of the mounting bracket are provided with reinforcing ribs.
  • a fan load includes a wind wheel, a load housing, a motor and a U-shaped bracket.
  • the end of the rotating shaft of the motor is mounted with a wind wheel, and the motor is mounted on the load housing through a U-shaped bracket, and the motor is any one of the above
  • the outer rotor motor installed by the axially spaced damper ring can be equipped with a damper ring on the first round boss and the second round boss, and the two ends of the U-shaped bracket are supported on the damper ring.
  • the invention has the following effects:
  • the outer rotor motor of the present invention includes a mounting bracket that is sleeved outside the rotor assembly.
  • the bottom of the mounting bracket is mounted on the mounting plate, the first circular boss is protruded in the middle of the end surface of the stator assembly, and the second circular boss is protruded from the top of the mounting bracket, and the first circular boss and the second circular boss Coaxial spacer distribution, the first circular boss and the second circular boss can be equipped with a shock absorbing ring, and the two ends of the U-shaped bracket are supported on the damper ring, and the damper ring can be installed at an axial interval, and the vibration-proof performance is good.
  • the structure is simple and the cost is low.
  • the original inner rotor motor of the fan load can be directly replaced, and the versatility is good.
  • the second circular boss is hollow to form a bearing chamber
  • the third bearing is mounted inside the bearing chamber of the second circular boss
  • the rotating shaft is mounted on the third bearing
  • the shaft is supported by the three bearings, and the length of the rotating shaft can be extended.
  • the stator assembly is a plastically sealed stator, which is easy to manufacture, good in integrity, easy to install, waterproof and dustproof.
  • the mounting bracket includes a ring at the bottom, a plurality of connecting ribs in the middle, and a top plate at the top.
  • the ring and the top plate are connected by a plurality of spaced connecting ribs, and a second circular boss is protruded outward in the center of the top plate, and the mounting plate has The circular side surface is mounted on the outer side of the mounting plate, and has a simple structure and convenient installation.
  • a card slot is formed between the two adjacent connecting ribs, and the outer side wall of the mounting plate is circumferentially spaced apart from the plurality of blocks.
  • the card block is embedded in the card slot.
  • the block presses on the top of the ring to limit the axial movement of the mounting bracket in the upward direction, and a retaining ring is arranged below the third bearing, the retaining ring is mounted on the rotating shaft, and the retaining ring limits the axis of the third bearing and the mounting bracket in the downward direction
  • the structure is simple and the installation is simple.
  • the rotating shaft can protrude from the bottom of the stator assembly or protrude from the third bearing or simultaneously protrude from the bottom of the stator assembly and the third bearing to form a biaxial stretching structure, which is flexible and convenient to use, and has high versatility;
  • the reinforcing ribs are provided on the inner side and the outer side of the connecting ribs of the mounting bracket, so that the structural strength can be strengthened when the wall thickness is constant.
  • FIG. 1 is a perspective view of a conventional inner rotor motor mounted through a U-shaped bracket
  • FIG. 2 is a boundary diagram of a conventional inner rotor motor mounted through a U-shaped bracket
  • Figure 3 is a perspective view of an angle of the outer rotor motor of the present invention.
  • Figure 4 is a perspective view of another angle of the outer rotor motor of the present invention.
  • Figure 5 is an exploded perspective view of the outer rotor motor of the present invention.
  • Figure 6 is a front elevational view of the outer rotor motor after removing the vibration damping ring of the present invention
  • Figure 7 is a cross-sectional view taken along line A-A of Figure 6;
  • Figure 8 is a cross-sectional view taken along line B-B of Figure 6;
  • Figure 9 is a cross-sectional view showing the outer rotor motor of the present invention using another type of stator assembly
  • Figure 10 is a schematic view showing the structure of the outer shaft of the outer rotor motor of the present invention extending from the bottom of the stator assembly and the third bearing;
  • Figure 11 is a schematic view showing the structure of the rotating shaft of the outer rotor motor of the present invention from the bottom of the stator assembly;
  • Figure 12 is a schematic view showing the mounting of the outer rotor motor and the load of the present invention.
  • Embodiment 1 As shown in FIG. 3 to FIG. 8 , the embodiment is an outer rotor motor installed by an axially spaced damper ring, comprising an outer rotor motor, wherein the outer rotor motor comprises a stator assembly 1 and a rotor assembly. 2 and the rotating shaft 3, the rotor assembly 2 is mounted and coupled with the rotating shaft 3, and the rotor assembly 2 is fitted outside the stator assembly 1.
  • the first bearing 11 and the second bearing 12 are axially spaced apart in the stator assembly 1, and the rotating shaft 3 is mounted and supported at On the first bearing 11 and the second bearing 12, the outer side of the bottom of the stator assembly 1 radially protrudes from the mounting plate 13, characterized in that it further comprises a mounting bracket 4, the mounting bracket 4 is sleeved outside the rotor assembly 2, and the mounting bracket 4 is mounted.
  • the bottom portion is mounted on the mounting plate 13, the end surface of the stator assembly 1 protrudes from the first circular boss 14, and the top of the mounting bracket 4 protrudes from the second circular boss 41, the first circular boss 14 and the second The circular bosses 41 are coaxially spaced apart.
  • the second circular boss 41 is hollow to form a bearing chamber 42, and the third bearing 421 is mounted inside the bearing chamber 42 of the second circular boss 41, and the rotating shaft 3 is mounted and supported on the third bearing 421.
  • the stator assembly 1 is a plastic stator including a stator core 15, an end insulation 16, a coil winding 17, a molding body 18 and a bearing housing 19, and the end insulation 16 is mounted on the end surface of the stator core 15, and the coil is wound.
  • the group 17 is wound around the end insulation 16, and the molding body 18 integrally connects the stator core 15, the coil winding 17, the end insulation 16 and the bearing housing 19, and the first circular boss 14 is molded from a plastic package.
  • the end face of the body 18 is convex in the middle.
  • the mounting bracket 4 includes a ring 43 at the bottom, a plurality of connecting ribs 44 in the middle, and a top plate 45 at the top.
  • the ring 43 and the top plate 45 are connected by a plurality of spaced connecting ribs 44, and protrude outward in the center of the top plate 45.
  • the second circular boss 41 has a circular side surface, and the ring 43 is attached to the outer side surface of the mounting plate 13.
  • a card slot 46 is formed between the two adjacent connecting ribs 44.
  • the outer side wall of the mounting plate 13 is circumferentially spaced apart from the plurality of latching blocks 131.
  • the rotating shaft 3 may protrude from the bottom of the stator assembly 1 or protrude from the third bearing 421, or simultaneously protrude from the bottom of the stator assembly 1 and the third bearing 421 to form a double shaft. Stretching structure.
  • Reinforcing ribs 441 are provided on the inner side and the outer side of the connecting ribs 44 of the mounting bracket 4.
  • Embodiment 2 As shown in FIG. 9, this embodiment is an improvement of Embodiment 1.
  • the main modification is that the stator assembly 1 includes a base 5 of a cast aluminum piece, a stator core 15, and an end insulation 16 and a coil winding 17, a hollow connecting post 51 protruding upwardly in the middle of the base 5, the stator core 15 is sleeved on the outside of the connecting post 51, and the first connecting rod 11 and the second bearing 12 are mounted in the hollow connecting post 51, The first circular projection 14 protrudes from the middle of the end surface of the base 5.
  • the rest of the structure of this embodiment is basically the same as that of the first embodiment.
  • the embodiment is three: as shown in FIG. 12, a fan load, including a wind wheel (not shown), a load housing (not shown), a motor and a U-shaped bracket 100, and a shaft 3 of the motor
  • the wind wheel is mounted at the end, the motor is supported and mounted by the U-shaped bracket 100, and the U-shaped bracket 100 is mounted on the load housing through the screw hole 101 and the screw.
  • the motor is mounted by an axially spaced damper ring as described above.
  • External rotor motor The first circular boss 14 and the second circular boss 41 can be provided with a shock absorbing ring 9. Both ends of the U-shaped bracket 100 are supported on the shock absorbing ring 9 and locked by a locking device (not shown).
  • the outer rotor motor of the present invention includes a mounting bracket 4, the mounting bracket 4 is sleeved on the outside of the rotor assembly 2, and the bottom of the mounting bracket 4 is mounted on the mounting plate 13, and the end surface of the stator assembly 1 protrudes in the middle a circular boss 14, the top of the mounting bracket 4 protrudes from the second circular boss 41, the first circular boss 14 and the second circular boss 41 are coaxially spaced apart, the first circular boss 14 and the second circular boss 41 can be equipped with a shock absorbing ring 9. Both ends of the U-shaped bracket 100 are supported on the shock absorbing ring 9, which has good anti-vibration performance, simple structure and low cost, and can directly replace the fan as with the conventional inner rotor motor installation method.
  • the original inner rotor motor is loaded and has good versatility.
  • the second circular boss 41 is hollow to form a bearing chamber 42.
  • the third bearing 421 is mounted inside the bearing chamber 42 of the second circular boss 41.
  • the rotating shaft 3 is mounted and supported on the third bearing 421, and the rotating shaft 3 is supported by the three bearings 421.
  • the length of the rotating shaft 3 can be extended, the stability is high, and the operation is stable;
  • the stator assembly 1 is a plastic-sealed stator, which is convenient to manufacture, has good integrity, is easy to install, and is waterproof and dustproof.
  • the mounting bracket 4 includes a ring 43 at the bottom, a plurality of connecting ribs 44 disposed in the middle, and a top plate 45 at the top.
  • the ring 43 and the top plate 45 are connected by a plurality of spaced connecting ribs 44, and a second circle is protruded outward in the center of the top plate 45.
  • the boss 41 and the mounting plate 13 have circular sides, and the ring 43 is mounted on the outer side of the mounting plate 13, and has a simple structure and convenient installation.
  • a card slot 46 is formed between the two adjacent connecting ribs 44.
  • the outer side wall of the mounting plate 13 is circumferentially spaced apart from the plurality of latching blocks 131.
  • the ring 43 When the ring 43 is mounted on the outer side of the mounting plate 13, the block 131 Inserted into the card slot 46, the block 131 is pressed against the top of the ring 43 to restrict the axial movement of the mounting bracket 4 in the upward direction, and a retaining ring 47 is disposed below the third bearing 421, and the retaining ring 47 is mounted on the rotating shaft 3
  • the ring 47 limits the axial movement of the third bearing 421 and the mounting bracket 4 in the downward direction, and has a simple structure and is easy to install.
  • the rotating shaft 3 can protrude from the bottom of the stator assembly 1 or protrude from the third bearing 421 or simultaneously protrude from the bottom of the stator assembly 1 and the third bearing 421 to form a biaxial stretching structure, which is flexible and convenient to use, and has high versatility;
  • the reinforcing ribs 441 are provided on the inner side and the outer side of the connecting ribs 44, so that the structural strength is enhanced when the wall thickness is constant.

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Abstract

一种用轴向间隔减震圈（9）安装的外转子电机，所述的外转子电机包括定子组件（1）、转子组件（2）和转轴（3），转子组件（2）与转轴（3）安装连接起来，转子组件（2）套装在定子组件（1）的外面，定子组件（1）里面轴向间隔安装有第一轴承（11）和第二轴承（12），转轴（3）安装支承在第一轴承（11）和第二轴承（12）上，定子组件（1）的底部外侧径向伸出安装板（13），还包括一个安装支架（4），安装支架（4）套在转子组件（2）外面，且安装支架（4）的底部安装在安装板（13）上，所述的定子组件（1）的端面中间凸出第一圆凸台（14），安装支架（4）的顶部凸出第二圆凸台（41），第一圆凸台（14）和第二圆凸台（41）上可套装减震圈（9），U型支架（100）的两端支撑在减震圈（9）上，防振性能好，结构简单，成本低，可以直接替换风机负载原有的内转子电机，通用性好。

Description

用轴向间隔减震圈安装的外转子电机及应用其的风机负载 技术领域：
本发明涉及一种用轴向间隔减震圈安装的外转子电机及应用其的风机负载。
背景技术：
现有的风机负载里面大量使用内转子电机驱动风轮，所述的内转子电机一般包括定子、内转子和机壳，定子套装在机壳内壁，内转子套在定子内腔。如图1、图2所示，为了减少振动，通常在电机内转子电机的机壳1A两端安装减振圈1B，然后用U型支架1C支撑在机壳1A两端的减振圈1B上，并用锁紧装置1D锁紧。
外转子电机由于输出力矩大，在同等输出功率的情况下，相对内转子电机，体积更小和成本更低，在风机负载里面有广泛的需求，但由于外转子电机的结构问题，其安装后的防振性能较差，不能满足需求，另外部分厂家希望不改动风机负载的任何结构的情况下，直接采用外转子电机，这要求设计出一种外转子电机能满足以上需求。
发明内容：
本发明的目的是提供一种用轴向间隔减震圈安装的外转子电机及应用其的风机负载，它可以轴向间隔安装减震圈，防振性能好，且结构简单，成本低，与传统的内转子电机安装方式一样，通用性好。
本发明的目的是通过下述技术方案予以实现的：
一种用轴向间隔减震圈安装的外转子电机，包括外转子电机，所述的外转子电机包括定子组件、转子组件和转轴，转子组件与转轴安装连接起来，转子组件套装在定子组件的外面，定子组件里面轴向间隔安装有第一轴承和第二轴承，转轴安装支承在第一轴承和第二轴承上，定子组件的底部外侧径向伸出安装板，其特征在于它还包括一个安装支架，安装支架套在转子组件外面，且安装支架的底部安装在安装板上，所述的定子组件的端面中间凸出第一圆凸台， 安装支架的顶部凸出第二圆凸台，第一圆凸台和第二圆凸台同轴间隔分布。
上述所述的第二圆凸台是空心的形成轴承室，第三轴承安装第二圆凸台的轴承室里面，转轴安装支承在第三轴承上。
上述所述的的定子组件是塑封定子，包括定子铁芯、端部绝缘、线圈绕组、塑封体和轴承座，端部绝缘安装在定子铁芯的端面上，线圈绕组绕设于端部绝缘上，塑封体把所述的定子铁芯、线圈绕组、端部绝缘和轴承座连结成一体，所述的第一圆凸台从塑封体端面中间凸出。
上述所述的定子组件，包括基座和定子铁芯，基座中间往上凸出空心的连接柱，定子铁芯利用中心孔套装在连接柱的外面，所述的第一圆凸台从基座端面中间凸出。
上述所述的安装支架包括底部的圆环、中间设置若干连接筋条和位于顶部的顶板，圆环与顶板通过若干间隔的连接筋条连接，在顶板中央往外凸出第二圆凸台，安装板具有圆形的侧面，所述的圆环贴装在安装板的外侧面。
上述所述的相邻两条的连接筋条之间形成卡槽，安装板的外侧壁周向间隔设置若干个卡块，当圆环贴装在安装板的外侧面时，卡块嵌入到卡槽中，卡块压在圆环的顶部限制安装支架向上方向的轴向移动，在第三轴承的下方设置挡圈，挡圈安装在转轴上，挡圈限制第三轴承和安装支架向下方向的轴向移动。
上述所述转轴可以从定子组件底部伸出或者从第三轴承伸出，或者同时从定子组件底部和第三轴承伸出形成双轴伸结构，。
上述所述安装支架的连接筋条内侧和外侧都设有加强筋。
一种风机负载，包括风轮、负载壳体、电机和U型支架，电机的转轴的端部安装风轮，电机通过U型支架安装在负载壳体上，所述的电机是上述任何一项用轴向间隔减震圈安装的外转子电机，第一圆凸台和第二圆凸台上可套装减震圈，U型支架的两端支撑在减震圈上。
本发明与现有技术相比，具有如下效果：
1)本发明的外转子电机包括一个安装支架，安装支架套在转子组件外面， 且安装支架的底部安装在安装板上，所述的定子组件的端面中间凸出第一圆凸台，安装支架的顶部凸出第二圆凸台，第一圆凸台和第二圆凸台同轴间隔分布，第一圆凸台和第二圆凸台上可套装减震圈，U型支架的两端支撑在减震圈上，它可以轴向间隔安装减震圈，防振性能好，且结构简单，成本低，与传统的内转子电机安装方式一样，可以直接替换风机负载原有的内转子电机，通用性好。
2)第二圆凸台是空心的形成轴承室，第三轴承安装第二圆凸台的轴承室里面，转轴安装支承在第三轴承上，使用三轴承支撑转轴，转轴的的长度可以延长，稳定性高，运行平稳；
3)定子组件是塑封定子，制造方便，整体性好，便于安装，防水防尘。
4)安装支架包括底部的圆环、中间设置若干连接筋条和位于顶部的顶板，圆环与顶板通过若干间隔的连接筋条连接，在顶板中央往外凸出第二圆凸台，安装板具有圆形的侧面，所述的圆环贴装在安装板的外侧面，结构简单，安装方便。
5)相邻两条的连接筋条之间形成卡槽，安装板的外侧壁周向间隔设置若干个卡块，当圆环贴装在安装板的外侧面时，卡块嵌入到卡槽中，卡块压在圆环的顶部限制安装支架向上方向的轴向移动，在第三轴承的下方设置挡圈，挡圈安装在转轴上，挡圈限制第三轴承和安装支架向下方向的轴向移动，结构简单，安装简便。
6)转轴可以从定子组件底部伸出或者从第三轴承伸出或者同时从定子组件底部和第三轴承伸出形成双轴伸结构，使用灵活方便，通用性强；
7)安装支架的连接筋条内侧和外侧都设有加强筋，使其壁厚一定时结构强度得以加强。
附图说明：
图1是现有内转子电机通过U型支架安装的立体图；
图2是现有内转子电机通过U型支架安装的分界图；
图3是本发明外转子电机的一个角度的立体图；
图4是本发明外转子电机的另一个角度的立体图；
图5是本发明外转子电机的立体分解图；
图6是本发明拆去减振圈后的外转子电机的主视图；
图7是图6的A-A剖视图；
图8是图6的B-B剖视图；
图9是本发明外转子电机使用另一种类型定子组件的剖视图；
图10是本发明外转子电机的转轴从定子组件底部和第三轴承伸出的双轴伸出结构示意图；
图11是本发明外转子电机的转轴从定子组件底部伸出结构示意图；
图12是本发明外转子电机与负载的安装示意图。
具体实施方式：
下面通过具体实施例并结合附图对本发明作进一步详细的描述。
实施例一：如图3至图8所示，本实施例是一种用轴向间隔减震圈安装的外转子电机，包括外转子电机，所述的外转子电机包括定子组件1、转子组件2和转轴3，转子组件2与转轴3安装连接起来，转子组件2套装在定子组件1的外面，定子组件1里面轴向间隔安装有第一轴承11和第二轴承12，转轴3安装支承在第一轴承11和第二轴承12上，定子组件1的底部外侧径向伸出安装板13，其特征在于它还包括一个安装支架4，安装支架4套在转子组件2外面，且安装支架4的底部安装在安装板13上，所述的定子组件1的端面中间凸出第一圆凸台14，安装支架4的顶部凸出第二圆凸台41，第一圆凸台14和第二圆凸台41同轴间隔分布。
第二圆凸台41是空心的形成轴承室42，第三轴承421安装第二圆凸台41的轴承室42里面，转轴3安装支承在第三轴承421上。
所述的定子组件1是塑封定子，包括定子铁芯15、端部绝缘16、线圈绕组17、塑封体18和轴承座19，端部绝缘16安装在定子铁芯15的端面上，线圈绕 组17绕设于端部绝缘16上，塑封体18把所述的定子铁芯15、线圈绕组17、端部绝缘16和轴承座19连结成一体，所述的第一圆凸台14从塑封体18端面中间凸出。
所述的安装支架4包括底部的圆环43、中间设置若干连接筋条44和位于顶部的顶板45，圆环43与顶板45通过若干间隔地连接筋条44连接，在顶板45中央往外凸出第二圆凸台41，安装板13具有圆形的侧面，所述的圆环43贴装在安装板13的外侧面。
相邻两条的连接筋条44之间形成卡槽46，安装板13的外侧壁周向间隔设置若干个卡块131，当圆环43贴装在安装板13的外侧面时，卡块131嵌入到卡槽46中，卡块131压在圆环43的顶部限制安装支架4向上方向的轴向移动，在第三轴承421的下方设置挡圈47，挡圈47安装在转轴3上，挡圈47限制第三轴承421和安装支架4向下方向的轴向移动。
如图3、图10、图11所示，所述转轴3可以从定子组件1底部伸出或者从第三轴承421伸出，或者同时从定子组件1底部和第三轴承421伸出形成双轴伸结构。
所述安装支架4的连接筋条44内侧和外侧都设有加强筋441。
实施例二：如图9所示，本实施例是对实施例一的一个改进，主要改动的地方是：定子组件1包括铸铝件的基座5、定子铁芯15、端部绝缘16和线圈绕组17，基座5中间往上凸出空心的连接柱51，定子铁芯15套装在连接柱51的外面，空心的连接柱51里面安装第一轴承11和第二轴承12，所述的第一圆凸14台从基座5端面中间凸出。本实施例的其余结构与实施例一基本一样。
实施例是三：如图12所示，一种风机负载，包括风轮(图中未示出)、负载壳体(图中未示出)、电机和U型支架100，电机的转轴3的端部安装风轮，电机通过U型支架100支撑安装，U型支架100通过螺钉孔101和螺钉安装在负载壳体上，所述的电机是上述描述的一种用轴向间隔减震圈安装的外转子电机， 第一圆凸台14和第二圆凸台41上可套装减震圈9，U型支架100的两端支撑在减震圈9上并用锁紧装置锁紧(图中未示出)。
发明原理：本发明的外转子电机包括一个安装支架4，安装支架4套在转子组件2外面，且安装支架4的底部安装在安装板13上，所述的定子组件1的端面中间凸出第一圆凸台14，安装支架4的顶部凸出第二圆凸台41，第一圆凸台14和第二圆凸台41同轴间隔分布，第一圆凸台14和第二圆凸台41上可套装减震圈9，U型支架100的两端支撑在减震圈9上，防振性能好，且结构简单，成本低，与传统的内转子电机安装方式一样，可以直接替换风机负载原有的内转子电机，通用性好。第二圆凸台41是空心的形成轴承室42，第三轴承421安装第二圆凸台41的轴承室42里面，转轴3安装支承在第三轴承421上，使用三轴承421支撑转轴3，转轴3的的长度可以延长，稳定性高，运行平稳；定子组件1是塑封定子，制造方便，整体性好，便于安装，防水防尘。安装支架4包括底部的圆环43、中间设置若干连接筋条44和位于顶部的顶板45，圆环43与顶板45通过若干间隔地连接筋条44连接，在顶板45中央往外凸出第二圆凸台41，安装板13具有圆形的侧面，所述的圆环43贴装在安装板13的外侧面，结构简单，安装方便。相邻两条的连接筋条44之间形成卡槽46，安装板13的外侧壁周向间隔设置若干个卡块131，当圆环43贴装在安装板13的外侧面时，卡块131嵌入到卡槽46中，卡块131压在圆环43的顶部限制安装支架4向上方向的轴向移动，在第三轴承421的下方设置挡圈47，挡圈47安装在转轴3上，挡圈47限制第三轴承421和安装支架4向下方向的轴向移动，结构简单，安装简便。转轴3可以从定子组件1底部伸出或者从第三轴承421伸出或者同时从定子组件1底部和第三轴承421伸出形成双轴伸结构，使用灵活方便，通用性强；安装支架4的连接筋条44内侧和外侧都设有加强筋441，使其壁厚一定时结构强度得以加强。
以上实施例为本发明的较佳实施方式，但本发明的实施方式不限于此，其他任何未背离本发明的精神实质与原理下所作的改变、修饰、替代、组合、简 化，均为等效的置换方式，都包含在本发明的保护范围之内。

Claims (9)

  1. 用轴向间隔减震圈安装的外转子电机，包括外转子电机，所述的外转子电机包括定子组件(1)、转子组件(2)和转轴(3)，转子组件(2)与转轴(3)安装连接起来，转子组件(2)套装在定子组件(1)的外面，定子组件(1)里面轴向间隔安装有第一轴承(11)和第二轴承(12)，转轴(3)安装支承在第一轴承(11)和第二轴承(12)上，定子组件(1)的底部外侧径向伸出安装板(13)，其特征在于它还包括一个安装支架(4)，安装支架(4)套在转子组件(2)外面，且安装支架(4)的底部安装在安装板(13)上，所述的定子组件(1)的端面中间凸出第一圆凸台(14)，安装支架(4)的顶部凸出第二圆凸台(41)，第一圆凸台(14)和第二圆凸台(41)同轴间隔分布。
  2. 根据权利要求1所述的用轴向间隔减震圈安装的外转子电机，其特征在于：第二圆凸台(41)是空心的形成轴承室(42)，第三轴承(421)安装第二圆凸台(41)的轴承室(42)里面，转轴(3)安装支承在第三轴承(421)上。
  3. 根据权利要求2所述的用轴向间隔减震圈安装的外转子电机，其特征在于：所述的定子组件(1)是塑封定子，包括定子铁芯(15)、端部绝缘(16)、线圈绕组(17)、塑封体(18)和轴承座(19)，端部绝缘(16)安装在定子铁芯(15)的端面上，线圈绕组(17)绕设于端部绝缘(16)上，塑封体(18)把所述的定子铁芯(15)、线圈绕组(17)、端部绝缘(16)和轴承座(19)连结成一体，所述的第一圆凸台(14)从塑封体(18)端面中间凸出。
  4. 根据权利要求2所述的用轴向间隔减震圈安装的外转子电机，其特征在于：所述的定子组件(1)，包括基座(5)和定子铁芯(15)，基座(5)中间往上凸出空心的连接柱(51)，定子铁芯(15)利用中心孔(151)套装在连接柱(51)的外面，所述的第一圆凸台(14)从基座(5)端面中间凸出。
  5. 根据权利要求2或3或4所述的用轴向间隔减震圈安装的外转子电机，其特征在于：所述的安装支架(4)包括底部的圆环(43)、中间设置若干连接筋条(44)和位于顶部的顶板(45)，圆环(43)与顶板(45)通过若干间隔设置的连接筋 条(44)连接，在顶板(45)中央往外凸出第二圆凸台(41)，安装板(13)具有圆形的侧面，所述的圆环(43)贴装在安装板(13)的外侧面。
  6. 根据权利要求5所述的用轴向间隔减震圈安装的外转子电机，其特征在于：相邻两条的连接筋条(44)之间形成卡槽(46)，安装板(13)的外侧壁周向间隔设置若干个卡块(131)，当圆环(43)贴装在安装板(13)的外侧面时，卡块(131)嵌入到卡槽(46)中，卡块(131)压在圆环(43)的顶部限制安装支架(4)向上方向的轴向移动，在第三轴承(421)的下方设置挡圈(47)，挡圈(47)安装在转轴(3)上，挡圈(47)限制第三轴承(421)和安装支架(4)向下方向的轴向移动。
  7. 根据权利要求3所述的用轴向间隔减震圈安装的外转子电机，其特征在于：所述转轴(3)可以从定子组件(1)底部伸出或者从第三轴承(421)伸出，或者同时从定子组件(1)底部和第三轴承(421)伸出形成双轴伸结构。
  8. 根据权利要求5所述的用轴向间隔减震圈安装的外转子电机，其特征在于：所述安装支架(4)的连接筋条(44)内侧和外侧都设有加强筋(441)。
  9. 一种风机负载，包括风轮、负载壳体、电机和U型支架(100)，电机的转轴(3)的端部安装风轮，电机通过U型支架(100)安装在负载壳体上，其特征在于：所述的电机是权利要求1至8所述的任何一项用轴向间隔减震圈安装的外转子电机，第一圆凸台(14)和第二圆凸台(41)上可套装减震圈(9)，U型支架(100)的两端支撑在减震圈(9)上。
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CN116760230A (zh) * 2023-06-30 2023-09-15 湖南卓希电机有限公司 一种减速电机支架及减速电机
CN116760230B (zh) * 2023-06-30 2024-02-09 湖南卓希电机有限公司 一种减速电机支架及减速电机

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