一种铸铝转子及其应用的电机 Cast aluminum rotor and motor thereof
技术领域: Technical field:
本实用新型涉及一种铸铝转子及其应用的电机。 The utility model relates to a cast aluminum rotor and an electric motor thereof.
背景技术: Background technique:
现有的铸铝转子包括转子铁芯、 铝环和导电铝条, 铝环安装在转子铁芯端 部, 导电铝条穿过转子铁芯把转子铁芯两端的铝环电连接在一起, 但是这种结 构的铸铝转子自重较重,转动惯量大, 导致电机的运行效率低, 摩擦损耗大。 如 果通过改变定子组件的参数提高电机效率, 设计成本高。 The existing cast aluminum rotor includes a rotor core, an aluminum ring and a conductive aluminum strip. The aluminum ring is installed at the end of the rotor core, and the conductive aluminum strip passes through the rotor core to electrically connect the aluminum rings at both ends of the rotor core, but The cast aluminum rotor of this structure has a relatively heavy weight and a large moment of inertia, resulting in low operating efficiency of the motor and large friction loss. If the motor efficiency is improved by changing the parameters of the stator assembly, the design cost is high.
发明内容: Summary of the invention:
本实用新型的目的是提供一种铸铝转子及其应用的电机, 该铸铝转子结构 筒单、 自重小, 转动惯量小, 减少了摩擦损耗, 提高电机效率, 该电机结构筒 单, 运行效率高, 摩擦损耗小, 整机重量轻, 降低运输成本。 The purpose of the utility model is to provide a cast aluminum rotor and a motor for the same, the cast aluminum rotor structure has a single cylinder, small self-weight, small moment of inertia, reduces friction loss and improves motor efficiency, the motor structure is simple, operating efficiency High, low friction loss, light weight and reduced transportation costs.
本实用新型的目的是通过下述技术方案予以实现的。 The object of the present invention is achieved by the following technical solutions.
一种铸铝转子, 包括转子铁芯、 铝环和导电铝条, 转子铁芯中间开设有轴 孔, 铝环安装在转子铁芯端部, 导电铝条穿过转子铁芯把转子铁芯两端的铝环 电连接在一起, 在转子铁芯的至少一个端面上开设有凹槽。 上述所述的转子铁芯的两个端面上都开设有凹槽。 A cast aluminum rotor comprises a rotor core, an aluminum ring and a conductive aluminum strip, a rotor hole is arranged in the middle of the rotor core, an aluminum ring is installed at the end of the rotor core, and the conductive aluminum strip passes through the rotor core to connect the rotor core The aluminum rings of the ends are electrically connected together, and grooves are formed on at least one end surface of the rotor core. Grooves are formed on both end faces of the rotor core described above.
上述所述的去重孔的数量是 4个, 去重孔沿转子铁芯的端面周向均勾分布。 一种电机, 包括转轴、 转子组件、 定子组件和外壳组件, 转子组件安装在 转轴上, 定子组件嵌套在转子组件外面, 外壳组件嵌套在定子组件外面, 转轴 支承在外壳组件的轴承上, 所述的转子组件包括转子铁芯、 铝环和导电铝条, 转子铁芯中间开设有轴孔, 铝环安装在转子铁芯端部, 导电铝条穿过转子铁芯 把转子铁芯两端的铝环电连接在一起, 在转子铁芯的至少一个端面上开设有凹 槽。
上述所述的转子铁芯的两个端面上都开设有凹槽。 The number of the de-weighting holes described above is four, and the de-weighting holes are uniformly distributed along the circumferential direction of the end faces of the rotor core. An electric motor includes a rotating shaft, a rotor assembly, a stator assembly and a housing assembly, the rotor assembly is mounted on the rotating shaft, the stator assembly is nested outside the rotor assembly, the outer casing assembly is nested outside the stator assembly, and the rotating shaft is supported on the bearing of the outer casing assembly, The rotor assembly comprises a rotor core, an aluminum ring and a conductive aluminum strip. The rotor core is provided with a shaft hole in the middle, the aluminum ring is installed at the end of the rotor core, and the conductive aluminum strip passes through the rotor core to connect the ends of the rotor core. The aluminum rings are electrically connected together, and a groove is formed in at least one end surface of the rotor core. Grooves are formed on both end faces of the rotor core described above.
上述所述的去重孔的数量是 4个, 去重孔沿转子铁芯的端面周向均勾分布。 本实用新型与现有技术相比, 具有如下效果: 1 )转子铁芯中间开设有轴孔, 铝环安装在转子铁芯端部, 导电铝条穿过转子铁芯把转子铁芯两端的铝环电连 接在一起, 在转子铁芯的至少一个端面上开设有凹槽, 该结构筒单, 铸铝转子 的自重小, 转动惯量小, 减少了摩擦损耗, 提高电机效率; 2 )转子铁芯的端面 上沿轴向方向上开设有若干个去重孔, 进一步减轻了铸铝转子的重量, 减少了 摩擦损耗, 去重孔的数量是 4个, 去重孔沿转子铁芯的端面周向均匀分, 提高 铸铝转子的动平衡, 降低电机的震动及噪音; 3 )转子组件安装在转轴上, 定子 组件嵌套在转子组件外面, 外壳组件嵌套在定子组件外面, 转轴支承在外壳组 件的轴承上, 所述的转子组件包括转子铁芯、 铝环和导电铝条, 转子铁芯中间 开设有轴孔, 铝环安装在转子铁芯端部, 导电铝条穿过转子铁芯把转子铁芯两 端的铝环电连接在一起, 在转子铁芯的至少一个端面上开设有凹槽, 该结构筒 单, 运行效率高, 摩擦损耗小, 整机重量轻, 降低运输成本。 The number of the de-weighting holes described above is four, and the de-weighting holes are uniformly distributed along the circumferential direction of the end faces of the rotor core. Compared with the prior art, the utility model has the following effects: 1) a shaft hole is opened in the middle of the rotor core, an aluminum ring is installed at the end of the rotor core, and the conductive aluminum strip passes through the rotor core to connect the aluminum at both ends of the rotor core The loops are electrically connected together, and a groove is formed on at least one end surface of the rotor core. The structure is simple, the cast aluminum rotor has a small self-weight, a small moment of inertia, reduces friction loss, and improves motor efficiency; 2) rotor core A plurality of de-weighting holes are formed in the axial direction on the end surface, thereby further reducing the weight of the cast aluminum rotor and reducing the friction loss. The number of the de-heavy holes is four, and the de-heavy holes are along the circumferential end of the rotor core. Uniform separation, improve the dynamic balance of the cast aluminum rotor, reduce the vibration and noise of the motor; 3) The rotor assembly is mounted on the rotating shaft, the stator assembly is nested outside the rotor assembly, the outer casing assembly is nested outside the stator assembly, and the rotating shaft is supported on the outer casing assembly In the bearing, the rotor assembly comprises a rotor core, an aluminum ring and a conductive aluminum strip, the rotor core is provided with a shaft hole in the middle, and the aluminum ring is installed at the end of the rotor core The conductive aluminum strip is electrically connected to the aluminum ring at both ends of the rotor core through the rotor core, and a groove is formed on at least one end surface of the rotor core. The structure is simple, the operation efficiency is high, and the friction loss is small. Light weight and reduced transportation costs.
附图说明: BRIEF DESCRIPTION OF THE DRAWINGS:
图 1 是本实用新型铸铝转子的立体图; Figure 1 is a perspective view of the cast aluminum rotor of the present invention;
图 2 是本实用新型铸铝转子的俯视图; Figure 2 is a plan view of the cast aluminum rotor of the present invention;
图 3 是图 2中 A-A剖视图; Figure 3 is a cross-sectional view taken along line A-A of Figure 2;
图 4 是本实用新型电机的立体图; Figure 4 is a perspective view of the motor of the present invention;
图 5 是本实用新型电机的分解图; Figure 5 is an exploded view of the motor of the present invention;
图 6 是本实用新型电机的俯视图; Figure 6 is a plan view of the motor of the present invention;
图 7 是图 6中 B-B剖视图。 Figure 7 is a cross-sectional view taken along line B-B of Figure 6.
具体实施方式: detailed description:
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。 The present invention will be further described in detail below through the specific embodiments and the accompanying drawings.
实施例一: 如图 1至图 3所示, 本实用新型是一种铸铝转子, 包括转子铁 芯 1、 铝环 2和导电铝条 3 , 转子铁芯 1中间开设有轴孔 11 , 铝环 2安装在转子
铁芯 1端部, 导电铝条 3穿过转子铁芯 1把转子铁芯 1两端的铝环 2电连接在 一起, 在转子铁芯 1的至少一个端面上开设有凹槽 12。 Embodiment 1 As shown in FIG. 1 to FIG. 3, the utility model relates to a cast aluminum rotor, which comprises a rotor core 1, an aluminum ring 2 and a conductive aluminum strip 3, and a shaft hole 11 is opened in the middle of the rotor core 1, aluminum Ring 2 is mounted on the rotor At the end of the iron core 1, the conductive aluminum strip 3 is electrically connected to the aluminum ring 2 at both ends of the rotor core 1 through the rotor core 1, and a groove 12 is formed in at least one end surface of the rotor core 1.
在转子铁芯 1的端面上沿轴向方向上开设有若干个去重孔 1 3。 On the end face of the rotor core 1, a plurality of de-weighting holes 13 are opened in the axial direction.
在转子铁芯 1的两个端面上都开设有凹槽 12。 Grooves 12 are formed on both end faces of the rotor core 1.
所述去重孔 1 3的数量是 4个, 去重孔 1 3沿转子铁芯 1的端面周向均匀分 布。 The number of the de-weighting holes 1 3 is four, and the de-weighting holes 13 are evenly distributed along the circumferential direction of the end surface of the rotor core 1.
本实用新型的原理是: 铝环 2安装在转子铁芯 1端部, 导电铝条 3穿过转子铁 芯 1把转子铁芯 1两端的铝环 2电连接在一起, 在转子铁芯 1的至少一个端面上开 设有凹槽 12 , 该铸铝转子结构筒单、 自重小, 转动惯量小, 减少了摩擦损耗, 提高电机效率。 The principle of the utility model is: the aluminum ring 2 is installed at the end of the rotor core 1, and the conductive aluminum strip 3 passes through the rotor core 1 to electrically connect the aluminum rings 2 at both ends of the rotor core 1 together, in the rotor core 1 The at least one end surface is provided with a groove 12, and the cast aluminum rotor has a single cylinder, a small self-weight, and a small moment of inertia, which reduces friction loss and improves motor efficiency.
实施例二: 如图 4至图 7所示, 本实用新型是一种电机, 包括转轴 4、 转子 组件 5、 定子组件 6和外壳组件 7 , 转子组件 5安装在转轴 4上, 定子组件 6嵌 套在转子组件 5外面, 外壳组件 7嵌套在定子组件 6外面, 转轴 4支 7 在外壳 组件 7的轴承上。 所述的转子组件 5包括转子铁芯 1、 铝环 2和导电铝条 3 , 转 子铁芯 1中间开设有轴孔 11 , 铝环 2安装在转子铁芯 1端部, 导电铝条 3穿过 转子铁芯 1把转子铁芯 1两端的铝环 2电连接在一起, 在转子铁芯 1的至少一 个端面上开设有凹槽 12。 Embodiment 2: As shown in FIG. 4 to FIG. 7, the utility model relates to an electric motor, comprising a rotating shaft 4, a rotor assembly 5, a stator assembly 6 and a casing assembly 7. The rotor assembly 5 is mounted on the rotating shaft 4, and the stator assembly 6 is embedded. Nested outside the rotor assembly 5, the outer casing assembly 7 is nested outside the stator assembly 6, and the shaft 4 is 7 on the bearing of the outer casing assembly 7. The rotor assembly 5 includes a rotor core 1, an aluminum ring 2 and a conductive aluminum strip 3, and a rotor hole 11 is opened in the middle of the rotor core 1. The aluminum ring 2 is installed at the end of the rotor core 1, and the conductive aluminum strip 3 passes through. The rotor core 1 electrically connects the aluminum rings 2 at both ends of the rotor core 1, and a groove 12 is formed in at least one end surface of the rotor core 1.
在转子铁芯 1的端面上沿轴向方向上开设有若干个去重孔 1 3。 On the end face of the rotor core 1, a plurality of de-weighting holes 13 are opened in the axial direction.
在转子铁芯 1的两个端面上都开设有凹槽 12。 Grooves 12 are formed on both end faces of the rotor core 1.
所述去重孔 1 3的数量是 4个, 去重孔 1 3沿转子铁芯 1的端面周向均匀分 布。 The number of the de-weighting holes 1 3 is four, and the de-weighting holes 13 are evenly distributed along the circumferential direction of the end surface of the rotor core 1.
本实用新型的原理是: 铝环 2安装在转子铁芯 1端部, 导电铝条 3穿过转子铁 芯 1把转子铁芯 1两端的铝环 2电连接在一起, 在转子铁芯 1的至少一个端面上开 设有凹槽 12 , 该铸铝转子结构筒单、 自重小, 转动惯量小, 减少了摩擦损耗, 提高电机效率。
The principle of the utility model is: the aluminum ring 2 is installed at the end of the rotor core 1, and the conductive aluminum strip 3 passes through the rotor core 1 to electrically connect the aluminum rings 2 at both ends of the rotor core 1 together, in the rotor core 1 The at least one end surface is provided with a groove 12, and the cast aluminum rotor has a single cylinder, a small self-weight, and a small moment of inertia, which reduces friction loss and improves motor efficiency.