WO2012159261A1 - Low-speed high- torque motor - Google Patents
Low-speed high- torque motor Download PDFInfo
- Publication number
- WO2012159261A1 WO2012159261A1 PCT/CN2011/074549 CN2011074549W WO2012159261A1 WO 2012159261 A1 WO2012159261 A1 WO 2012159261A1 CN 2011074549 W CN2011074549 W CN 2011074549W WO 2012159261 A1 WO2012159261 A1 WO 2012159261A1
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- WIPO (PCT)
- Prior art keywords
- rotor
- speed
- low
- torque motor
- sun gear
- Prior art date
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- 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
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
Definitions
- the invention relates to a low speed high torque motor. Background technique:
- Low-speed, high-torque motors are widely used in hybrid new-energy vehicles.
- the motor body and the reducer are divided into two completely independent parts, which are connected by flanges, etc., and the structure has the following disadvantages: 1) Large weight, low power density, inconvenient lifting when the motor is loaded, and inconvenient to transport; 2) Large in size, when the motor is assembled in the chassis of the car, the distance between the motor and the ground is small, which increases the difficulty of designing the chassis of the car; Due to the large weight of the motor, when designing the tank system of the cabinet, it is required to thicken the inner and outer wall surfaces of the water tank to support the reducer, resulting in poor heat dissipation.
- the object of the present invention is to provide a low-speed, high-torque motor which has a single structure, reduces weight, increases power density, facilitates loading and transportation, reduces the difficulty of designing the chassis of the automobile, and has a good heat dissipation effect.
- a low-speed high-torque motor includes a motor body and a reducer.
- the motor body includes a casing, a stator assembly, a rotor, a rotating shaft and a bottom end cover.
- the outer casing forms a cavity, the stator assembly is installed in the cavity, and the rotor is nested in the stator.
- the rotating shaft passes through the two ends from the middle of the rotor and is supported on the rotating shaft bearing.
- One end of the outer casing is provided with a bottom end cover, and the other end is equipped with a speed reducer including a sun gear, a casing, a planetary gear and an output plate, and the sun.
- the bottom of the wheel extends downwardly from the bracket, and the bracket extends into the cavity to be mounted and coupled with the rotor end.
- the sun gear and the planetary gear mesh with each other, the planetary gear is connected with the output disk, and the output disk is mounted and supported on the rotating shaft.
- the rotor bearing is mounted inside the rotor as described above, and the rotor bearing is nested on the rotating shaft and supports the rotor.
- the gear bearing is mounted inside the sun gear as described above, and the gear bearing is nested on the rotating shaft and supported too Yang round.
- the housing of the above-mentioned reducer forms an empty slot, and the sun gear, the planetary gear and the output disk are mounted in the empty slot.
- the top of the housing protrudes from the upper bearing chamber, the upper bearing chamber extends into the recess, and the shaft bearing is installed in the upper bearing chamber.
- the bottom end cover of the motor body protrudes from the lower bearing chamber, the lower bearing chamber extends into the cavity, and the shaft bearing is mounted in the lower bearing chamber.
- the rotary table is provided with a rotary transformer
- the rotary transformer comprises a rotary stator and a rotary rotor
- the rotary stator is mounted on the boss through the stator platen.
- the resolver rotor is nested on a resolver rotor bracket that extends from the tail of the rotor and is pressed by the rotor platen.
- the motor casing is provided with a cooling water tank, and the stator assembly is closely attached to the inner wall of the motor casing, and is cooled by the cooling water tank.
- the above-mentioned motor housing is provided with a mounting joint, a water inlet nozzle and a water outlet nozzle, and the water inlet nozzle and the water outlet nozzle communicate with the cooling water tank.
- the invention has the following effects: 1) reducing the weight of the motor, improving the power density of the motor, being easy to hoist when loading, and convenient to transport; 2) reducing the volume of the motor, especially the outer diameter of the motor is greatly reduced, When the motor is assembled to the chassis of the car, the distance between the motor and the ground is increased, and it is easy to meet the design requirements of the chassis of the car; 3) the strength of the casing is relatively reduced due to the weight reduction of the motor, and the casing system is designed to reduce the thickness of the casing. External thickness, improve heat dissipation; 4) Speed control can be achieved by controlling the motor and selecting different speed reduction ratios of the reducer to make the speed and torque vary within a wide range.
- Figure 1 is a perspective view of the present invention
- Figure 2 is a cross-sectional view of the present invention
- Figure 3 is an enlarged view of a portion A-A of Figure 2. detailed description:
- a low-speed high-torque motor includes a motor body 1 and a speed reducer 2, and the motor body 1 includes a casing 11, a stator assembly 12, a rotor 13, a rotating shaft 14, and a bottom end cover 15.
- the outer casing 11 forms a cavity 110
- the stator assembly 12 is mounted in the cavity 110
- the rotor 13 is nested in the stator assembly 12
- the rotating shaft 14 passes from both ends of the rotor 13 through the two ends and is supported on the shaft bearing 16, the outer casing 11
- the bottom end cover 15 is installed at one end, and the speed reducer 2 is mounted at the other end.
- the speed reducer 2 includes a sun gear 21, a housing 22, a planetary gear 23 and an output disk 24.
- the bottom of the sun gear 21 extends downwardly from the bracket 25, and the bracket 25 extends.
- the inlet cavity 110 is mounted and coupled to the end of the rotor 13 and fastened by the screw 6; the sun gear 21 and the planetary gear 23 mesh with each other, the planetary gear 23 is coupled with the output disk 24, and the output disk 24 is mounted and supported on the rotating shaft 14, Both ends of the rotating shaft 14 extend from the motor body 1 and the speed reducer 2.
- One end of the rotating shaft 14 extending from the motor body 1 is connected to the engine, and the other end of the rotating shaft 14 extending from the speed reducer 2 is connected to the load.
- a rotor is installed inside the rotor 13.
- Bearing 17, rotor bearing 17 nested in the turn 14 and supporting the rotor 13, the rotor 13 and the rotating shaft 14 are not directly connected, and are connected by the rotor bearing 17; a gear bearing 18 is mounted inside the sun gear 21, and the gear bearing 18 is nested on the rotating shaft 14 and supports the sun gear 21;
- the housing 22 of the 2 forms an empty slot 220, and the sun gear 21, the planetary gear 23 and the output disk 24 are mounted in the empty slot 220; the top of the housing 22 protrudes from the upper bearing chamber 221, and the upper bearing chamber 221 extends into the recess 220
- the shaft bearing 16 is mounted in the upper bearing chamber 221; the bottom end cover 15 of the motor body 1 protrudes from the lower bearing chamber 150, the lower bearing chamber 150 extends into the cavity 110, and the shaft bearing 16 is installed in the lower bearing chamber 150;
- a boss 151 is protruded from an end surface of the lower bearing chamber 150 of the end cover 15, and a rotary transformer 19 is disposed on the boss 151
- the resolver 19 includes a resolver stator 190 and a resolver rotor 192, and the resolver stator 190 is mounted through the stator platen 193.
- the resolver rotor 192 is nested on the resolver rotor bracket 191 extending from the tail of the rotor 13, and is pressed by the rotor pressure plate 194;
- the motor casing 11 is provided with a cooling water tank 111, and the stator assembly 12 is tightly attached The inner wall of the casing 11 is cooled by the cooling water tank 111.
- the motor casing 11 is provided with a mounting joint 3, a water inlet nozzle 4 and a water outlet nozzle 5, and the water inlet nozzle 4 and the water outlet nozzle 5 are connected to the cooling water tank 111; the sun gear 21 It is integral with the bracket 25.
- the stator assembly 12 is energized to generate a rotating magnetic field to drive the rotor 13 to rotate, the rotor 13 drives the sun gear 21 to rotate, the sun gear 21 drives the planetary gear 23 and the output disk 24 to rotate, because the output disk 24 is mounted and connected to the rotating shaft 14
- the rotating shaft 14 also rotates together to achieve the purpose of decelerating the output of a large torque
- a rotor bearing 17 is mounted inside the rotor 13, and the rotor bearing 17 is nested on the rotating shaft 14 and supports the rotor 13, so that the rotor 13 and the rotating shaft 14 are independent of each other.
- the rotating shaft 14 is supported on the rotating shaft bearing 16 from the middle of the rotor 13 through the two ends, and the rotating shaft 14 extends from both ends of the motor body 1 and the speed reducer 2, and one end of the rotating shaft 14 extending from the motor body 1 is connected with the engine to generate a hybrid power. Output; the other end of the rotating shaft 14 extending from the speed reducer 2 is connected to the load.
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
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Abstract
A low-speed high-torque motor comprises a main body (1) of the motor and a reducing gear (2). The main body (1) of the motor includes a casing (11), a stator module (12), a rotor (13) and a spindle (14). The stator module (12) is mounted in the casing (11) and the rotor (13) is assembled in the stator module (12). The spindle (14) extends through the rotor (13) and is supported on bearings (16). The reducing gear (2) is fixed on one end of the casing (11) and includes a sun gear (21), planet gears (23) and an output plate (24). The sun gear (21) is connected to one end of the rotor (13), and the planet gears (23) are connected with the output plate (24) which is arranged on the spindle (14). The motor increases power density.
Description
一种低转速高扭矩电机 Low speed high torque motor
技术领域： Technical field:
本发明涉及一种低转速高扭矩电机。 背景技术： The invention relates to a low speed high torque motor. Background technique:
低转速高扭矩电机广泛应用于混合动力新能源汽车， 而传统的低转速高扭 矩电机， 电机本体与减速器分成两个完全独立的部分， 中间通过法兰盘等连接， 该结构存在以下缺点： 1 )重量大， 功率密度小， 电机装车时不方便吊装， 运输 不便； 2 )体积大， 在电机装配在汽车底盘时， 电机与地面的距离小， 加大了汽 车的底盘设计难度； 3 ) 由于电机重量较大， 在机壳水槽系统设计时， 要求加厚 水槽内、 外圏壁面以支撑减速器， 导致散热效果不好。 Low-speed, high-torque motors are widely used in hybrid new-energy vehicles. In the traditional low-speed, high-torque motors, the motor body and the reducer are divided into two completely independent parts, which are connected by flanges, etc., and the structure has the following disadvantages: 1) Large weight, low power density, inconvenient lifting when the motor is loaded, and inconvenient to transport; 2) Large in size, when the motor is assembled in the chassis of the car, the distance between the motor and the ground is small, which increases the difficulty of designing the chassis of the car; Due to the large weight of the motor, when designing the tank system of the cabinet, it is required to thicken the inner and outer wall surfaces of the water tank to support the reducer, resulting in poor heat dissipation.
发明内容： Summary of the invention:
本发明的目的是提供一种低转速高扭矩电机， 它结构筒单， 减轻重量， 提 高功率密度， 方便装车运输， 降低汽车底盘设计难度， 散热效果好。 The object of the present invention is to provide a low-speed, high-torque motor which has a single structure, reduces weight, increases power density, facilitates loading and transportation, reduces the difficulty of designing the chassis of the automobile, and has a good heat dissipation effect.
本发明的目的是通过下述技术方案予以实现的。 一种低转速高扭矩电机， 包括电机本体和减速器， 电机本体包括外壳、 定 子组件、 转子、 转轴和底端盖， 外壳形成一个空腔， 定子组件安装在空腔里， 转子嵌套在定子组件里， 转轴从转子中间穿过两端并支承在转轴轴承上， 外壳 的一端安装底端盖， 另一端安装减速器， 所述减速器包括太阳轮、 壳体、 行星 轮和输出盘， 太阳轮底部向下延伸出支架， 支架伸入到空腔与转子端部安装连 接一起， 太阳轮与行星轮相互啮合， 行星轮与输出盘连接一起， 输出盘安装支 承在转轴上。 The object of the present invention is achieved by the following technical solutions. A low-speed high-torque motor includes a motor body and a reducer. The motor body includes a casing, a stator assembly, a rotor, a rotating shaft and a bottom end cover. The outer casing forms a cavity, the stator assembly is installed in the cavity, and the rotor is nested in the stator. In the assembly, the rotating shaft passes through the two ends from the middle of the rotor and is supported on the rotating shaft bearing. One end of the outer casing is provided with a bottom end cover, and the other end is equipped with a speed reducer including a sun gear, a casing, a planetary gear and an output plate, and the sun. The bottom of the wheel extends downwardly from the bracket, and the bracket extends into the cavity to be mounted and coupled with the rotor end. The sun gear and the planetary gear mesh with each other, the planetary gear is connected with the output disk, and the output disk is mounted and supported on the rotating shaft.
上述所述在转子内部安装有转子轴承， 转子轴承嵌套在转轴上并支承转子。 上述所述在太阳轮内部安装有齿轮轴承， 齿轮轴承嵌套在转轴上并支承太
阳轮。 The rotor bearing is mounted inside the rotor as described above, and the rotor bearing is nested on the rotating shaft and supports the rotor. The gear bearing is mounted inside the sun gear as described above, and the gear bearing is nested on the rotating shaft and supported too Yang round.
上述所述减速器的壳体形成一个空槽， 太阳轮、 行星轮和输出盘安装在空 槽里。 The housing of the above-mentioned reducer forms an empty slot, and the sun gear, the planetary gear and the output disk are mounted in the empty slot.
上述所述壳体顶部凸出上轴承室， 上轴承室伸进空槽里， 转轴轴承安装在 上轴承室里。 The top of the housing protrudes from the upper bearing chamber, the upper bearing chamber extends into the recess, and the shaft bearing is installed in the upper bearing chamber.
上述所述电机本体的底端盖凸出下轴承室， 下轴承室伸进空腔里， 转轴轴 承安装在下轴承室里。 The bottom end cover of the motor body protrudes from the lower bearing chamber, the lower bearing chamber extends into the cavity, and the shaft bearing is mounted in the lower bearing chamber.
上述所述在底端盖的下轴承室端面上凸出有凸台， 凸台上设有旋转变压器， 旋转变压器包括旋变定子和旋变转子， 旋变定子通过定子压板安装在凸台上， 旋变转子嵌套在转子尾部延伸出的旋变转子支架上， 并且通过转子压板压紧。 The above-mentioned bottom end of the lower bearing chamber protrudes with a boss on the boss, the rotary table is provided with a rotary transformer, the rotary transformer comprises a rotary stator and a rotary rotor, and the rotary stator is mounted on the boss through the stator platen. The resolver rotor is nested on a resolver rotor bracket that extends from the tail of the rotor and is pressed by the rotor platen.
上述所述电机外壳上设有冷却水槽， 定子组件紧贴电机外壳的内壁， 通过 冷却水槽散热。 The motor casing is provided with a cooling water tank, and the stator assembly is closely attached to the inner wall of the motor casing, and is cooled by the cooling water tank.
上述所述在电机外壳上设有安装接头、 进水咀和出水咀， 进水咀、 出水咀 与冷却水槽连通。 The above-mentioned motor housing is provided with a mounting joint, a water inlet nozzle and a water outlet nozzle, and the water inlet nozzle and the water outlet nozzle communicate with the cooling water tank.
上述所述太阳轮和支架是一体的。 The sun wheel and the bracket described above are integrated.
本发明与现有技术相比， 具有如下效果： 1 )減轻电机重量， 提高电机功率 密度， 装车时容易吊装， 运输方便； 2 ) 减小电机体积， 特别是电机外径大大减 小， 在电机装配到汽车底盘时， 增加了电机与地面的距离， 容易满足汽车底盘 设计要求； 3 ) 由于电机重量减轻， 机壳强度相对降低， 机壳水槽系统设计时， 减薄了机壳内、 外圏厚度， 提高散热效果； 4 )可经过控制电机和选择减速器不 同减速比来调速， 使速度和扭矩在大范围内变化。 Compared with the prior art, the invention has the following effects: 1) reducing the weight of the motor, improving the power density of the motor, being easy to hoist when loading, and convenient to transport; 2) reducing the volume of the motor, especially the outer diameter of the motor is greatly reduced, When the motor is assembled to the chassis of the car, the distance between the motor and the ground is increased, and it is easy to meet the design requirements of the chassis of the car; 3) the strength of the casing is relatively reduced due to the weight reduction of the motor, and the casing system is designed to reduce the thickness of the casing. External thickness, improve heat dissipation; 4) Speed control can be achieved by controlling the motor and selecting different speed reduction ratios of the reducer to make the speed and torque vary within a wide range.
附图说明：
图 1 是本发明的立体图； BRIEF DESCRIPTION OF THE DRAWINGS: Figure 1 is a perspective view of the present invention;
图 2 是本发明的剖视图； Figure 2 is a cross-sectional view of the present invention;
图 3 是图 2的 A-A部分放大图。 具体实施方式： Figure 3 is an enlarged view of a portion A-A of Figure 2. detailed description:
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。 The present invention will now be described in further detail by way of specific embodiments and the accompanying drawings.
如图 1、 图 2和图 3所示， 一种低转速高扭矩电机， 包括电机本体 1和減速 器 2， 电机本体 1 包括外壳 11、 定子组件 12、 转子 13、 转轴 14和底端盖 15, 外壳 11形成一个空腔 110， 定子组件 12安装在空腔 110里， 转子 13嵌套在定 子组件 12里， 转轴 14从转子 13中间穿过两端并支承在转轴轴承 16上， 外壳 11的一端安装底端盖 15, 另一端安装减速器 2, 所述减速器 2包括太阳轮 21、 壳体 22、 行星轮 23和输出盘 24, 太阳轮 21底部向下延伸出支架 25, 支架 25 伸入到空腔 110与转子 13端部安装连接一起， 通过螺釘 6紧固； 太阳轮 21与 行星轮 23相互啮合， 行星轮 23与输出盘 24连接一起， 输出盘 24安装支承在 转轴 14上， 转轴 14两端伸出电机本体 1和减速器 2, 从电机本体 1伸出的转轴 14一端与发动机连接， 从减速器 2伸出的转轴 14另一端与负载连接； 在转子 13内部安装有转子轴承 17， 转子轴承 17嵌套在转轴 14上并支承转子 13, 转子 13与转轴 14不直接连接， 通过转子轴承 17连接； 在太阳轮 21内部安装有齿轮 轴承 18, 齿轮轴承 18嵌套在转轴 14上并支承太阳轮 21; 減速器 2的壳体 22 形成一个空槽 220, 太阳轮 21、 行星轮 23和输出盘 24安装在空槽 220里； 壳 体 22顶部凸出上轴承室 221, 上轴承室 221伸进空槽 220里， 转轴轴承 16安装 在上轴承室 221里； 电机本体 1的底端盖 15凸出下轴承室 150, 下轴承室 150 伸进空腔 110里， 转轴轴承 16安装在下轴承室 150里； 在底端盖 15的下轴承 室 150端面上凸出有凸台 151, 凸台 151上设有旋转变压器 19, 旋转变压器 19 包括旋变定子 190和旋变转子 192，旋变定子 190通过定子压板 193安装在凸台 151上， 旋变转子 192嵌套在转子 13尾部延伸出的旋变转子支架 191上， 并且 通过转子压板 194压紧； 电机外壳 11上设有冷却水槽 111, 定子组件 12紧贴电
机外壳 11的内壁， 通过冷却水槽 111散热； 在电机外壳 1 1上设有安装接头 3、 进水咀 4和出水咀 5， 进水咀 4、 出水咀 5与冷却水槽 111连通； 太阳轮 21和 支架 25是一体的。 As shown in FIG. 1, FIG. 2 and FIG. 3, a low-speed high-torque motor includes a motor body 1 and a speed reducer 2, and the motor body 1 includes a casing 11, a stator assembly 12, a rotor 13, a rotating shaft 14, and a bottom end cover 15. The outer casing 11 forms a cavity 110, the stator assembly 12 is mounted in the cavity 110, the rotor 13 is nested in the stator assembly 12, and the rotating shaft 14 passes from both ends of the rotor 13 through the two ends and is supported on the shaft bearing 16, the outer casing 11 The bottom end cover 15 is installed at one end, and the speed reducer 2 is mounted at the other end. The speed reducer 2 includes a sun gear 21, a housing 22, a planetary gear 23 and an output disk 24. The bottom of the sun gear 21 extends downwardly from the bracket 25, and the bracket 25 extends. The inlet cavity 110 is mounted and coupled to the end of the rotor 13 and fastened by the screw 6; the sun gear 21 and the planetary gear 23 mesh with each other, the planetary gear 23 is coupled with the output disk 24, and the output disk 24 is mounted and supported on the rotating shaft 14, Both ends of the rotating shaft 14 extend from the motor body 1 and the speed reducer 2. One end of the rotating shaft 14 extending from the motor body 1 is connected to the engine, and the other end of the rotating shaft 14 extending from the speed reducer 2 is connected to the load. A rotor is installed inside the rotor 13. Bearing 17, rotor bearing 17 nested in the turn 14 and supporting the rotor 13, the rotor 13 and the rotating shaft 14 are not directly connected, and are connected by the rotor bearing 17; a gear bearing 18 is mounted inside the sun gear 21, and the gear bearing 18 is nested on the rotating shaft 14 and supports the sun gear 21; The housing 22 of the 2 forms an empty slot 220, and the sun gear 21, the planetary gear 23 and the output disk 24 are mounted in the empty slot 220; the top of the housing 22 protrudes from the upper bearing chamber 221, and the upper bearing chamber 221 extends into the recess 220 The shaft bearing 16 is mounted in the upper bearing chamber 221; the bottom end cover 15 of the motor body 1 protrudes from the lower bearing chamber 150, the lower bearing chamber 150 extends into the cavity 110, and the shaft bearing 16 is installed in the lower bearing chamber 150; A boss 151 is protruded from an end surface of the lower bearing chamber 150 of the end cover 15, and a rotary transformer 19 is disposed on the boss 151. The resolver 19 includes a resolver stator 190 and a resolver rotor 192, and the resolver stator 190 is mounted through the stator platen 193. On the boss 151, the resolver rotor 192 is nested on the resolver rotor bracket 191 extending from the tail of the rotor 13, and is pressed by the rotor pressure plate 194; the motor casing 11 is provided with a cooling water tank 111, and the stator assembly 12 is tightly attached The inner wall of the casing 11 is cooled by the cooling water tank 111. The motor casing 11 is provided with a mounting joint 3, a water inlet nozzle 4 and a water outlet nozzle 5, and the water inlet nozzle 4 and the water outlet nozzle 5 are connected to the cooling water tank 111; the sun gear 21 It is integral with the bracket 25.
本发明的工作原理： 定子组件 12通电产生旋转磁场驱动转子 1 3转动， 转子 1 3 带动太阳轮 21转动， 太阳轮 21带动行星轮 23和输出盘 24转动， 由于输出盘 24与转轴 14安装连接起来， 转轴 14也一起转动， 达到减速输出大扭矩的目的； 在转子 13 内部安装有转子轴承 17 , 转子轴承 17嵌套在转轴 14上并支承转子 13 , 因此， 转子 1 3与转轴 14相互独立转动。 转轴 14从转子 1 3中间穿过两端 支承在转轴轴承 16上， 并且转轴 14两端伸出电机本体 1和减速器 2 , 从电机本 体 1伸出的转轴 14一端与发动机连接， 产生混合动力输出； 从減速器 2伸出 的转轴 14另一端与负载连接。
The working principle of the invention: the stator assembly 12 is energized to generate a rotating magnetic field to drive the rotor 13 to rotate, the rotor 13 drives the sun gear 21 to rotate, the sun gear 21 drives the planetary gear 23 and the output disk 24 to rotate, because the output disk 24 is mounted and connected to the rotating shaft 14 As a result, the rotating shaft 14 also rotates together to achieve the purpose of decelerating the output of a large torque; a rotor bearing 17 is mounted inside the rotor 13, and the rotor bearing 17 is nested on the rotating shaft 14 and supports the rotor 13, so that the rotor 13 and the rotating shaft 14 are independent of each other. Turn. The rotating shaft 14 is supported on the rotating shaft bearing 16 from the middle of the rotor 13 through the two ends, and the rotating shaft 14 extends from both ends of the motor body 1 and the speed reducer 2, and one end of the rotating shaft 14 extending from the motor body 1 is connected with the engine to generate a hybrid power. Output; the other end of the rotating shaft 14 extending from the speed reducer 2 is connected to the load.
Claims
1、 一种低转速高扭矩电机， 包括电机本体（ 1 )和减速器（ 2 ), 电机本体 ( 1 ) 包括外壳（11)、 定子组件（12)、 转子（13)、 转轴（14)和底端盖（15 ), 外壳 （11 )里面形成一个空腔（110)， 定子组件 （Π ) 安装在空腔（110)里， 转子 （13)嵌套在定子组件 （12 ) 里， 转轴 （14 )从转子 （13) 中间穿过两端 并支承在转轴轴承（ 16 )上， 外壳 （ 11 ) 的一端安装底端盖 （ 15 ), 另一端安装 减速器 （2)， 其特征在于： 所述减速器 （2 ) 包括太阳轮（21)、 壳体（22)、 行 星轮（23 )和输出盘（24 ), 太阳轮（21 )底部向下延伸出支架（25 ), 支架（ 25 ) 伸入到空腔（ 110 )与转子（ 13 )端部安装连接一起， 太阳轮（ 21 )与行星轮（ 23 ) 相互啮合， 行星轮（23) 与输出盘 （24)连接一起， 输出盘 （24) 安装支承在 转轴 （14 )上。 1. A low-speed, high-torque motor comprising a motor body (1) and a speed reducer (2), the motor body (1) comprising a housing (11), a stator assembly (12), a rotor (13), a rotating shaft (14), and a bottom end cover (15), a cavity (110) is formed in the outer casing (11), a stator assembly (Π) is installed in the cavity (110), and a rotor (13) is nested in the stator assembly (12), the rotating shaft ( 14) From the middle of the rotor (13) through both ends and supported on the shaft bearing (16), one end of the outer casing (11) is equipped with a bottom end cover (15), and the other end is equipped with a speed reducer (2), which is characterized by: The speed reducer (2) comprises a sun gear (21), a casing (22), a planet gear (23) and an output disk (24), and a bottom of the sun gear (21) extends downwardly out of the bracket (25), the bracket (25) Extending into the cavity (110) and mounting the end of the rotor (13), the sun gear (21) and the planet gear (23) mesh with each other, and the planet gear (23) is coupled with the output disk (24), the output disk ( 24) Mounting is supported on the shaft (14).
2、 根据权利要求 1所述的一种低转速高扭矩电机，其特征在于：在转子（ 13 ) 内部安装有转子轴承（ 17 )，转子轴承（ 17 )嵌套在转轴（ 14 )上并支承转子（ 13 )。 2. A low-speed, high-torque motor according to claim 1, wherein a rotor bearing (17) is mounted inside the rotor (13), and the rotor bearing (17) is nested on the rotating shaft (14) and supported Rotor (13).
3、 根据权利要求 1所述的一种低转速高扭矩电机， 其特征在于： 在太阳轮 ( 21 ) 内部安装有齿轮轴承（ IS ), 齿轮轴承（ 18 )嵌套在转轴（ I4 )上并支承 太阳轮（21)。 3, according to claim one low speed high torque motor of claim 1, wherein: the sun gear (21) is mounted inside a gear bearing (the IS), gear bearing (18) fitted on the shaft (I 4) And support the sun gear (21).
4、 根据权利要求 1所述的一种低转速高扭矩电机，其特征在于：减速器（ 1 ) 的壳体（ 22 )形成一个空槽（ 220 ), 太阳轮（ 21 行星轮（ 23 )和输出盘（ 24 ) 安装在空槽 （220 ) 里。 4. A low-speed, high-torque motor according to claim 1, wherein the housing ( 22 ) of the reducer (1) forms an empty slot ( 22 0 ), the sun gear ( 2 1 planetary gear ( 2) 3) and the output tray ( 2 4 ) is installed in the empty slot ( 22 0 ).
5、 根据权利要求 1或 4所述的一种低转速高扭矩电机， 其特征在于： 壳体 (22) 顶部凸出上轴承室 （221 ), 上轴承室 （221 )伸进空槽（220 )里， 转轴 轴承（ I6 )安装在上轴承室 （ 221 )里。 5. A low-speed, high-torque motor according to claim 1 or 4, wherein: the upper portion of the housing ( 22 ) projects from the upper bearing chamber ( 22 1 ), and the upper bearing chamber (221) extends into the recess ( In 22 0), the shaft bearing (I 6 ) is installed in the upper bearing chamber ( 22 1 ).
6、 根据权利要求 1所述的一种低转速高扭矩电机， 其特征在于： 电机本体 (1 ) 的底端盖 （15) 凸出下轴承室 （150), 下轴承室 （150)伸进空腔 （110) 里， 转轴轴承（16) 安装在下轴承室 （150) 里。 6. A low-speed, high-torque motor according to claim 1, wherein: the bottom end cover (15) of the motor body (1) projects out of the lower bearing chamber (150), and the lower bearing chamber (150) projects into In the cavity (110), the shaft bearing (16) is installed in the lower bearing chamber (150).
7、 根据权利要求 1或 6所述的一种低转速高扭矩电机， 其特征在于： 在底 端盖 （15) 的下轴承室 （150)端面上凸出有凸台 （151 ), 凸台 （151)上设有 旋转变压器（ 19 ), 旋转变压器（ 19 ) 包括旋变定子 （ 190 )和旋变转子 （ 192 ), 旋变定子 （190)通过定子压板（193)安装在凸台 （151 )上， 旋变转子 （192) 嵌套在转子（ 13 )尾部延伸出的旋变转子支架（ 191 )上，并且通过转子压板（ 194 ) 压紧。 7. A low-speed, high-torque motor according to claim 1 or claim 6, wherein: a boss (151) protrudes from an end surface of the lower bearing chamber (150) of the bottom end cover (15), the boss (151) is provided with a resolver (19), the resolver (19) comprises a resolver stator (190) and a resolver rotor (192), and the resolver stator (190) is mounted on the boss by a stator platen (193) (151) The resolver rotor (192) is nested on the resolver rotor bracket (191) extending from the tail of the rotor (13) and is pressed by the rotor platen (194).
8、 根据权利要求 1所述的一种低转速高扭矩电机， 其特征在于： 电机外壳 (11 ) 上设有冷却水槽 (111), 定子组件 （12) 紧贴电机外壳 （11 ) 的内壁， 通过冷却水槽 ( 111 )散热。 8. A low-speed, high-torque motor according to claim 1, wherein: the motor casing (11) is provided with a cooling water tank (111), and the stator assembly (12) is in close contact with the inner wall of the motor casing (11). Cooling through the cooling water tank ( 111 ).
9、 根据权利要求 1或 8所述的一种低转速高扭矩电机， 其特征在于： 在电 机外壳 （ 11 )上设有安装接头 （ 3 )、 进水咀（ 4 ) 和出水咀（ 5 ), 进水咀（ 4 ), 出水咀（ 5 ) 与冷却水槽 （ 111 ) 连通。 9. A low-speed, high-torque motor according to claim 1 or 8, characterized in that: a mounting joint (3), a water inlet nozzle (4) and a water outlet nozzle (5) are provided on the motor casing (11). The water inlet nozzle (4) and the water outlet nozzle (5) are in communication with the cooling water tank (111).
10、 根据权利要求 1所述的一种低转速高扭矩电机， 其特征在于： 太阳轮 (21 ) 和支架 （25)是一体的。 10. A low speed, high torque motor according to claim 1 wherein: the sun gear (21) and the bracket (25) are integral.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201180002845.9A CN102934333B (en) | 2011-05-24 | 2011-05-24 | A kind of slow-speed of revolution height torque motor |
| PCT/CN2011/074549 WO2012159261A1 (en) | 2011-05-24 | 2011-05-24 | Low-speed high- torque motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2011/074549 WO2012159261A1 (en) | 2011-05-24 | 2011-05-24 | Low-speed high- torque motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2012159261A1 true WO2012159261A1 (en) | 2012-11-29 |
Family
ID=47216519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2011/074549 WO2012159261A1 (en) | 2011-05-24 | 2011-05-24 | Low-speed high- torque motor |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102934333B (en) |
| WO (1) | WO2012159261A1 (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2676484Y (en) * | 2003-12-28 | 2005-02-02 | 王福杰 | Planetary gear speed reduction motor |
| CN1581646A (en) * | 2004-04-09 | 2005-02-16 | 钱梦非 | Brushless through-shaft speed-reducing hub motor |
| CN201197099Y (en) * | 2008-05-19 | 2009-02-18 | 湘潭电机股份有限公司 | Water cooling permanent magnet synchronization pulling motor |
| CN101521447A (en) * | 2008-11-20 | 2009-09-02 | 天津清源电动车辆有限责任公司 | Water-cooled permanent magnet synchronous motor with a built-in outer rotor and rotary transformation magnetic resistance for hybrid power automobiles |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003299311A (en) * | 2002-04-03 | 2003-10-17 | Nidec Copal Corp | Geared brushless motor |
| CN201750281U (en) * | 2010-03-04 | 2011-02-16 | 宁波北斗科技有限公司 | Central-axle electric vehicle motor |
-
2011
- 2011-05-24 WO PCT/CN2011/074549 patent/WO2012159261A1/en active Application Filing
- 2011-05-24 CN CN201180002845.9A patent/CN102934333B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2676484Y (en) * | 2003-12-28 | 2005-02-02 | 王福杰 | Planetary gear speed reduction motor |
| CN1581646A (en) * | 2004-04-09 | 2005-02-16 | 钱梦非 | Brushless through-shaft speed-reducing hub motor |
| CN201197099Y (en) * | 2008-05-19 | 2009-02-18 | 湘潭电机股份有限公司 | Water cooling permanent magnet synchronization pulling motor |
| CN101521447A (en) * | 2008-11-20 | 2009-09-02 | 天津清源电动车辆有限责任公司 | Water-cooled permanent magnet synchronous motor with a built-in outer rotor and rotary transformation magnetic resistance for hybrid power automobiles |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102934333B (en) | 2015-09-09 |
| CN102934333A (en) | 2013-02-13 |
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