WO2016155265A1 - 一种外转子电机 - Google Patents

一种外转子电机 Download PDF

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Publication number
WO2016155265A1
WO2016155265A1 PCT/CN2015/090114 CN2015090114W WO2016155265A1 WO 2016155265 A1 WO2016155265 A1 WO 2016155265A1 CN 2015090114 W CN2015090114 W CN 2015090114W WO 2016155265 A1 WO2016155265 A1 WO 2016155265A1
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WO
WIPO (PCT)
Prior art keywords
sleeve
stator
rotor motor
outer rotor
bearing
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Application number
PCT/CN2015/090114
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English (en)
French (fr)
Inventor
唐松发
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中山大洋电机股份有限公司
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Publication of WO2016155265A1 publication Critical patent/WO2016155265A1/zh

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12—Stationary parts of the magnetic circuit
    • H02K1/18—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • H02K21/26—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with rotating armatures and stationary magnets
    • H02K21/28—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with rotating armatures and stationary magnets with armatures rotating within the magnets
    • 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
    • H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes

Definitions

  • the utility model relates to an outer rotor motor, belonging to the technical field of motors.
  • the existing dual-shaft extension outer rotor motor includes a rotating shaft A1, a stator assembly A2, a casing A3 and two end covers A4, and a plurality of permanent magnets A5 are mounted on the inner wall surface of the casing A3, and the stator assembly A2 is mounted on the rotating shaft A1 and located inside the casing A3, and the end cover A4 is mounted on the end of the casing A3. Both ends of the rotating shaft A1 are supported on the bearing of the end cover A4, and the shaft is opened in the middle of the rotating shaft A1.
  • the lead wire A21 on the stator assembly A2 protrudes outward from the middle of the shaft hole A11, but the outer rotor motor structure is relatively complicated, the motor reliability is poor, the assembly process is large, the assembly efficiency is low, and the stator assembly The upper lead wire needs to pass through the shaft hole to be taken out, and the lead process is poor.
  • the purpose of the utility model is to provide an outer rotor motor which has a simple structure and convenient assembly, and has a good lead wire process of the motor, can effectively reduce the production cost of the motor, and has higher working efficiency and more reliable operation.
  • An outer rotor motor includes a rotating shaft, a stator assembly and a casing sleeve.
  • the casing sleeve is sleeved on the outside of the stator assembly.
  • a plurality of permanent magnets are mounted circumferentially.
  • the assembly is directly fitted on the rotating shaft, and a bracket assembly is mounted on the end of the casing sleeve, the bracket assembly including an outer sleeve portion, an intermediate bearing seat and a support connected between the sleeve portion and the bearing housing a sleeve portion is mounted to the end of the casing sleeve, a bearing chamber is disposed at both ends of the bearing housing, and a bearing is mounted in the bearing chamber, and the rotating shaft passes through the bearing housing and is supported on the bearing .
  • the stator assembly described above is a plastically sealed stator comprising a stator core, an end insulation, a coil winding and a molded body, the end insulation is mounted on the end face of the stator core, and the coil winding is wound around the end insulation, and the plastic body is sealed.
  • the stator core, the end insulation and the coil winding are integrally connected.
  • bracket assembly and the casing sleeve described above are integrally cast aluminum formed.
  • an air hood is attached to the rotating shaft.
  • the air hood described above is integrally injection molded with the molded stator.
  • the lead wire on the molded stator described above passes through the gap between the air hood and the end of the casing sleeve and is led out.
  • the outlet hole is formed on the air hood as described above, and the lead wire on the plastic sealing stator passes through the outlet hole on the air hood and is taken out.
  • the support portion described above includes an inner tapered sleeve and an outer tapered sleeve connected between the sleeve portion and the bearing housing, and the inner tapered sleeve is connected between the end portion of the sleeve portion and the bottom of the bearing housing, A tapered sleeve is coupled between the end of the sleeve portion and the top of the bearing housing.
  • the above-mentioned outer wall surface of the outer tapered sleeve is provided with a mounting flange which is located on the horizontal center plane of the sleeve seat.
  • the mounting flange is provided on the end of the sleeve portion as described above.
  • the stator assembly is directly assembled on the rotating shaft, the structure is simple, the installation is convenient, the assembly precision between the stator assembly and the rotating shaft and the structural strength are effectively ensured, and the bracket assembly is mounted on the end of the casing sleeve, the bracket assembly
  • the sleeve portion includes an outer sleeve portion, an intermediate bearing seat, and a support portion connected between the sleeve portion and the bearing housing.
  • the sleeve portion is mounted with the end of the casing sleeve, and a bearing chamber is disposed at both ends of the bearing housing.
  • a bearing is mounted in the bearing chamber, and the rotating shaft passes through the bearing housing and is supported on the bearing.
  • the structure is simpler, the installation is more convenient, and the reliability of the motor operation. And the efficiency is effectively improved;
  • the stator assembly is a plastic-sealed stator, including a stator core, an end insulation, a coil winding, and a molded body.
  • the end insulation is mounted on the end face of the stator core, and the coil winding is wound around the end insulation, and the plastic body is placed.
  • the stator core, the end insulation and the coil winding are integrated into one body, the production process of the plastic-sealed stator is simpler, the cost is relatively lower, and the quality of the plastic-sealed stator can be effectively ensured, and there is no problem such as disconnection or daytime. ;
  • bracket assembly and the casing sleeve are integrally cast aluminum, the structure and production process are simple, it is convenient for mass production, and the structural strength can be effectively guaranteed;
  • the support portion includes an inner tapered sleeve and an outer tapered sleeve connected between the sleeve portion and the bearing housing, and the inner tapered sleeve is connected between the end portion of the sleeve portion and the bottom of the bearing housing, and the outer tapered portion
  • the sleeve is connected between the end of the sleeve portion and the top of the bearing housing, the structure is simple, the structural strength of the entire bracket assembly can be effectively ensured, and the outer tapered sleeve can play a certain wind guiding effect, when the motor is used in the fan When the system is inside, it can improve the blowing efficiency of the fan system;
  • a mounting flange is arranged on the outer wall surface of the outer tapered sleeve, and the mounting flange is located on the horizontal center plane of the sleeve seat.
  • FIG. 1 is a schematic structural view of a conventional outer rotor motor
  • Figure 2 is a perspective view of the outer rotor motor of the first embodiment
  • Figure 3 is a plan view of the outer rotor motor of the first embodiment
  • Figure 4 is a cross-sectional view taken along line A-A of Figure 3;
  • Figure 5 is a perspective view of the outer rotor motor of the second embodiment
  • Figure 6 is a plan view of the outer rotor motor of the second embodiment
  • Figure 7 is a cross-sectional view taken along line B-B of Figure 6;
  • Embodiment 1 As shown in FIG. 2, FIG. 3 and FIG. 4, this embodiment is an outer rotor motor, including a turn a shaft 1, a stator assembly 2 and a casing sleeve 3, the casing sleeve 3 is sleeved on the outside of the stator assembly 2, and a plurality of permanent magnets 4 are circumferentially mounted on the outer wall surface of the casing assembly 2 and on the inner wall surface of the casing sleeve 3, The stator assembly 2 is directly fitted on the rotating shaft 1. On the end of the casing sleeve 3, a bracket assembly 5 is mounted.
  • the bracket assembly 5 includes an outer sleeve portion 51, an intermediate bearing housing 52 and a sleeve connected thereto.
  • the support portion 53 between the portion 51 and the bearing housing 52, the sleeve portion 51 is mounted with the end of the casing sleeve 3, and a bearing chamber 520 is disposed at both ends of the bearing housing 52, and a bearing is mounted in the bearing chamber 520 6.
  • the shaft 1 passes through the bearing housing 52 and is supported on the bearing 6.
  • the stator assembly 2 is a plastic stator including a stator core 21, an end insulation 22, a coil winding 23 and a molding body 24.
  • the end insulation 22 is mounted on the end surface of the stator core 21, and the coil winding 23 is wound around On the end insulation 22, the molding body 24 integrally connects the stator core 21, the end insulation 22 and the coil winding 23.
  • An air guiding cover 7 is mounted on the rotating shaft 1 at one end opposite to the bracket assembly 5.
  • the air guiding cover 7 is provided with an air guiding slope 70, and the air guiding inclined surface 70 is tapered to guide the wind flow movement, and preferably, the air guiding body
  • the cover 7 is integrally injection molded with the molded stator.
  • the lead wire 25 on the molded stator passes through between the air gap cover 7 and the gap between the ends of the casing sleeve 3 and is led out.
  • the support portion 53 includes an inner tapered sleeve 531 and an outer tapered sleeve 532 connected between the sleeve portion 51 and the bearing housing 52.
  • the inner tapered sleeve 531 is coupled to the end of the sleeve portion 51 and the bearing. Between the bottoms of the seats 52, an outer tapered sleeve 532 is coupled between the ends of the sleeve portion 51 and the top of the bearing housing 52.
  • a mounting flange 8 is disposed on the outer wall surface of the outer tapered sleeve 532.
  • the mounting flange 8 is located on the horizontal center plane of the sleeve seat 52.
  • the mounting flange 8 and the bracket assembly 5 are integrally cast aluminum.
  • Embodiment 2 As shown in FIG. 5, FIG. 6 and FIG. 7, this embodiment is an outer rotor motor including a rotating shaft 1, a stator assembly 2 and a casing sleeve 3, and the casing sleeve 3 is sleeved on the stator assembly. 2, on the outside of the stator assembly 2, a plurality of permanent magnets 4 are circumferentially mounted on the inner wall surface of the casing sleeve 3, and the stator assembly 2 is directly fitted on the rotating shaft 1, and a bracket is mounted on the end of the casing sleeve 3.
  • the assembly 5 includes the outer sleeve portion 51, the intermediate bearing housing 52, and a support portion 53 connected between the sleeve portion 51 and the bearing housing 52.
  • the sleeve portion 51 and the casing sleeve 3 The ends are mounted together, and a bearing chamber 520 is disposed at both ends of the bearing housing 52.
  • a bearing 6 is mounted inside the bearing chamber 520, and the rotating shaft 1 passes through the bearing housing 52 and is supported by the bearing 6.
  • the stator assembly 2 is a plastic stator, including a stator core 21, The end insulation 22, the coil winding 23 and the molding body 24, the end insulation 22 is mounted on the end surface of the stator core 21, and the coil winding 23 is wound around the end insulation 22, and the molding body 24 places the stator core 21.
  • the end insulation 22 and the coil winding 23 are integrally connected.
  • An air guiding cover 7 is attached to the rotating shaft 1 at one end opposite to the bracket assembly 5.
  • the air guiding cover 7 is integrally injection molded with the plastic sealing stator.
  • An outlet hole 71 is formed in the air guiding cover 7, and a lead wire on the plastic sealing stator 25 is passed through the outlet hole 71 on the air guiding cover 7 and taken out.
  • a mounting flange 8 is provided on the end of the sleeve portion 51.
  • the mounting flange 8 and the bracket assembly 5 are integrally cast aluminum formed.

Abstract

一种外转子电机，包括转轴（1）、定子组件（2）和机壳套筒（3），机壳套筒套设于定子组件外面，在定子组件外侧、机壳套筒的内壁面上周向安装有若干永磁体（4），定子组件直接套装在转轴上，在机壳套筒的端部上安装有支架组件（5），所述的支架组件包括外侧的套筒部（51）、中间的轴承座（52）和连接在套筒部与轴承座之间的支撑部（53），套筒部与机壳套筒的端部安装在一起，在轴承座两端设置有轴承室（520），在轴承室里面安装有轴承（6），转轴从轴承座中间穿过并且支承在所述的轴承上。该电机引线工艺好，具有结构简单、装配方便、成本低、工作效率高、运行可靠的优点。

Description

一种外转子电机 技术领域：
本实用新型涉及一种外转子电机，属于电机技术领域。
背景技术：
如图1所示，现有的双轴伸外转子电机中包括转轴A1、定子组件A2、机壳A3和两端盖A4，在机壳A3的内壁面上安装有若干永磁体A5，定子组件A2安装在转轴A1上并且位于所述的机壳A3里面，端盖A4安装在机壳A3的端部上，转轴A1两端支承在端盖A4的轴承上，并且在转轴A1中间开设有轴孔A11，定子组件A2上的引出线A21从轴孔A11中间往外伸出，但是这种外转子电机结构相对较为复杂，电机可靠性较差，同时装配工序较多，装配效率低，并且定子组件上的引出线需要穿过轴孔才能往外引出，引线工艺差。
发明内容：
本实用新型的目的是提供一种外转子电机，该外转子电机结构简单，方便装配，同时电机的引线工艺好，可以有效降低电机的生产成本，并且电机的工作效率更高，运行更加可靠。
本实用新型的目的是通过下述技术方案予以实现的。
一种外转子电机，包括转轴、定子组件和机壳套筒，机壳套筒套设于定子组件外面，在定子组件外侧、机壳套筒的内壁面上周向安装有若干永磁体，定子组件直接套装在转轴上，在机壳套筒的端部上安装有支架组件，所述的支架组件包括外侧的套筒部、中间的轴承座和连接在套筒部与轴承座之间的支撑部，套筒部与机壳套筒的端部安装在一起，在轴承座两端设置有轴承室，在轴承室里面安装有轴承，转轴从轴承座中间穿过并且支承在所述的轴承上。
上述所述的定子组件是塑封定子，包括定子铁芯、端部绝缘、线圈绕组和塑封体，端部绝缘安装在定子铁芯的端面上，线圈绕组卷绕安装在端部绝缘上，塑封体把所述的定子铁芯、端部绝缘和线圈绕组连结成一体。
上述所述的支架组件与机壳套筒是一体铸铝成型的。
上述所述的与支架组件相对的一端、在转轴上安装有导风罩。
上述所述的导风罩与所述的塑封定子是一体注塑成型的。
上述所述的塑封定子上的引出线从导风罩与机壳套筒端部之间的缝隙中间穿过并往外引出。
上述所述的在导风罩上开设有出线孔，塑封定子上的引出线从导风罩上的出线孔穿过并往外引出。
上述所述的支撑部包括连接在套筒部与轴承座之间的内锥形套筒和外锥形套筒，内锥形套筒连接在套筒部端部与轴承座底部之间，外锥形套筒连接在套筒部端部与轴承座顶部之间。
上述所述的在外锥形套筒的外壁面上设置有安装法兰，安装法兰位于套筒座的水平中心面上。
上述所述的在套筒部的端部上设置有安装法兰。
本实用新型与现有技术相比，具有如下效果：
1)定子组件直接套装在转轴上，结构简单，安装方便，有效保证定子组件与转轴之间的装配精度以及结构强度，在机壳套筒的端部上安装有支架组件，所述的支架组件包括外侧的套筒部、中间的轴承座和连接在套筒部与轴承座之间的支撑部，套筒部与机壳套筒的端部安装在一起，在轴承座两端设置有轴承室，在轴承室里面安装有轴承，转轴从轴承座中间穿过并且支承在所述的轴承上，相比于现有的外转子电机，结构更为简单，安装更加方便，同时电机工作的可靠性以及效率得到有效提高；
2)定子组件是塑封定子，包括定子铁芯、端部绝缘、线圈绕组和塑封体，端部绝缘安装在定子铁芯的端面上，线圈绕组卷绕安装在端部绝缘上，塑封体把所述的定子铁芯、端部绝缘和线圈绕组连结成一体，塑封定子的生产工艺更加简单，成本相对更低，并且塑封定子的质量可以得到有效保证，不会出现断线或者匝间等不良现象；
3)支架组件与机壳套筒是一体铸铝成型的，结构和生产工艺简单，便于大批量生产，并且结构强度能得到有效保证；
4)导风罩与所述的塑封定子是一体注塑成型的，结构简单，减少安装需要的零件，提高装配效率；
5)塑封定子上的引出线从导风罩与机壳套筒端部之间的缝隙中间穿过并往外引出，或者在导风罩上开设有出线孔，塑封定子上的引出线从导风罩上的出线孔穿过并往外引出，电机的引线工艺好，保证最后整机的质量；
6)支撑部包括连接在套筒部与轴承座之间的内锥形套筒和外锥形套筒，内锥形套筒连接在套筒部端部与轴承座底部之间，外锥形套筒连接在套筒部端部与轴承座顶部之间，结构简单，整个支架组件的结构强度可以得到有效保证，并且外锥形套筒能起到一定的导风作用，当电机使用在风机系统里面时，能提高风机系统的吹风效率；
7)在外锥形套筒的外壁面上设置有安装法兰，安装法兰位于套筒座的水平中心面上，当需要在安装法兰上安装风轮时，能保证整机的平衡性而不至于出现倾斜的现象。
附图说明：
图1是现有外转子电机的结构示意图；
图2是实施例一中外转子电机的立体图；
图3是实施例一中外转子电机的俯视图；
图4是图3中A-A剖视图；
图5是实施例二中外转子电机的立体图；
图6是实施例二中外转子电机的俯视图；
图7是图6中B-B剖视图。
具体实施方式：
下面通过具体实施例并结合附图对本实用新型作进一步详细的描述。
实施例一：如图2、图3和图4所示，本实施例是一种外转子电机，包括转 轴1、定子组件2和机壳套筒3，机壳套筒3套设于定子组件2外面，在定子组件2外侧、机壳套筒3的内壁面上周向安装有若干永磁体4，定子组件2直接套装在转轴1上，在机壳套筒3的端部上安装有支架组件5，所述的支架组件5包括外侧的套筒部51、中间的轴承座52和连接在套筒部51与轴承座52之间的支撑部53，套筒部51与机壳套筒3的端部安装在一起，在轴承座52两端设置有轴承室520，在轴承室520里面安装有轴承6，转轴1从轴承座52中间穿过并且支承在所述的轴承6上。所述的定子组件2是塑封定子，包括定子铁芯21、端部绝缘22、线圈绕组23和塑封体24，端部绝缘22安装在定子铁芯21的端面上，线圈绕组23卷绕安装在端部绝缘22上，塑封体24把所述的定子铁芯21、端部绝缘22和线圈绕组23连结成一体。与支架组件5相对的一端、在转轴1上安装有导风罩7，导风罩7上设置有导风斜面70，导风斜面70呈锥形，以引导风流运动，并且优选的，导风罩7与所述的塑封定子是一体注塑成型的。塑封定子上的引出线25从导风罩7与机壳套筒3端部之间的缝隙中间穿过并往外引出。所述的支撑部53包括连接在套筒部51与轴承座52之间的内锥形套筒531和外锥形套筒532，内锥形套筒531连接在套筒部51端部与轴承座52底部之间，外锥形套筒532连接在套筒部51端部与轴承座52顶部之间。在外锥形套筒532的外壁面上设置有安装法兰8，安装法兰8位于套筒座52的水平中心面上，优选的，安装法兰8与支架组件5是一体铸铝成型的。
实施例二：如图5、图6和图7所示，本实施例是一种外转子电机，包括转轴1、定子组件2和机壳套筒3，机壳套筒3套设于定子组件2外面，在定子组件2外侧、机壳套筒3的内壁面上周向安装有若干永磁体4，定子组件2直接套装在转轴1上，在机壳套筒3的端部上安装有支架组件5，所述的支架组件5包括外侧的套筒部51、中间的轴承座52和连接在套筒部51与轴承座52之间的支撑部53，套筒部51与机壳套筒3的端部安装在一起，在轴承座52两端设置有轴承室520，在轴承室520里面安装有轴承6，转轴1从轴承座52中间穿过并且支承在所述的轴承6上。所述的定子组件2是塑封定子，包括定子铁芯21、 端部绝缘22、线圈绕组23和塑封体24，端部绝缘22安装在定子铁芯21的端面上，线圈绕组23卷绕安装在端部绝缘22上，塑封体24把所述的定子铁芯21、端部绝缘22和线圈绕组23连结成一体。与支架组件5相对的一端、在转轴1上安装有导风罩7，优选的，导风罩7与所述的塑封定子是一体注塑成型的。在导风罩7上开设有出线孔71，塑封定子25上的引出线从导风罩7上的出线孔71穿过并往外引出。在套筒部51的端部上设置有安装法兰8，优选的，安装法兰8与支架组件5是一体铸铝成型的。
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 (10)

  1. 一种外转子电机，包括转轴(1)、定子组件(2)和机壳套筒(3)，机壳套筒(3)套设于定子组件(2)外面，在定子组件(2)外侧、机壳套筒(3)的内壁面上周向安装有若干永磁体(4)，其特征在于：定子组件(2)直接套装在转轴(1)上，在机壳套筒(3)的端部上安装有支架组件(5)，所述的支架组件(5)包括外侧的套筒部(51)、中间的轴承座(52)和连接在套筒部(51)与轴承座(52)之间的支撑部(53)，套筒部(51)与机壳套筒(3)的端部安装在一起，在轴承座(52)两端设置有轴承室(520)，在轴承室(520)里面安装有轴承(6)，转轴(1)从轴承座(52)中间穿过并且支承在所述的轴承(6)上。
  2. 根据权利要求1所述的一种外转子电机，其特征在于：所述的定子组件(2)是塑封定子，包括定子铁芯(21)、端部绝缘(22)、线圈绕组(23)和塑封体(24)，端部绝缘(22)安装在定子铁芯(21)的端面上，线圈绕组(23)卷绕安装在端部绝缘(22)上，塑封体(24)把所述的定子铁芯(21)、端部绝缘(22)和线圈绕组(23)连结成一体。
  3. 根据权利要求2所述的一种外转子电机，其特征在于：所述的支架组件(5)与机壳套筒(3)是一体铸铝成型的。
  4. 根据权利要求3所述的一种外转子电机，其特征在于：与支架组件(5)相对的一端、在转轴(1)上安装有导风罩(7),导风罩(7)设置导风斜面(70)。
  5. 根据权利要求4所述的一种外转子电机，其特征在于：导风罩(7)与所述的塑封定子是一体注塑成型的。
  6. 根据权利要求4或5所述的一种外转子电机，其特征在于：塑封定子上的引出线(25)从导风罩(7)与机壳套筒(3)端部之间的缝隙中间穿过并往外引出。
  7. 根据权利要求4或5所述的一种外转子电机，其特征在于：在导风罩(7)上开设有出线孔(71)，塑封定子(25)上的引出线从导风罩(7)上的出线孔 (71)穿过并往外引出。
  8. 根据权利要求1或2或3或4或5所述的一种外转子电机，其特征在于：所述的支撑部(53)包括连接在套筒部(51)与轴承座(52)之间的内锥形套筒(531)和外锥形套筒(532)，内锥形套筒(531)连接在套筒部(51)端部与轴承座(52)底部之间，外锥形套筒(532)连接在套筒部(51)端部与轴承座(52)顶部之间。
  9. 根据权利要求8所述的一种外转子电机，其特征在于：在外锥形套筒(532)的外壁面上设置有安装法兰(8)，安装法兰(8)位于套筒座(52)的水平中心面上。
  10. 根据权利要求8所述的一种外转子电机，其特征在于：在套筒部(51)的端部上设置有安装法兰(8)。
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