WO2020062572A1 - 减速箱电机 - Google Patents
减速箱电机 Download PDFInfo
- Publication number
- WO2020062572A1 WO2020062572A1 PCT/CN2018/119443 CN2018119443W WO2020062572A1 WO 2020062572 A1 WO2020062572 A1 WO 2020062572A1 CN 2018119443 W CN2018119443 W CN 2018119443W WO 2020062572 A1 WO2020062572 A1 WO 2020062572A1
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- WO
- WIPO (PCT)
- Prior art keywords
- reduction gear
- motor
- shaft
- casing
- gear
- Prior art date
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/02—Toothed members; Worms
- F16H55/17—Toothed wheels
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
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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
- Embodiments of the present invention relate to the technical field of motors, and in particular, to a speed reducer motor.
- the gearbox motor includes a motor, an adapter plate, and a reduction gearbox, wherein the adapter plate is used to connect the motor and the gearbox.
- the adapter plate is fixedly connected to the motor, and the reduction box is installed on the adapter plate.
- the reduction gear box is connected to the output shaft of the motor so that the reduction gear box outputs the corresponding speed and torque.
- a reserved installation space is provided on the adapter board, and the installation space is used to fix the reduction gear box motor to the corresponding equipment, so that the reduction gear box motor can drive the corresponding mechanism of the equipment to move.
- the motor is fixed on one side of the adapter plate and the reduction gear box is fixed on the other side of the adapter plate.
- the positioning accuracy of the motor component and the reduction gear box is low, resulting in low transmission efficiency of the motor and the reduction gear box.
- the adapter plate is fixed to the equipment, the vibration of the speed reducer is large, and the installation effect is poor.
- the reduction gear box fixed to the adapter plate is liable to fall off.
- the screws pass through the reduction box and the adapter plate and are fixed to the motor.
- the casing of the reduction box needs to reserve the screw installation hole, which causes the casing to increase significantly.
- the screw is fixed to the motor along the axial direction of the reduction gear box. When the output shaft of the reduction gear box is subjected to a radial impact, the screw generates a bending moment and transmits it to the motor, which easily results in damage to the motor.
- the output shaft of the reduction gearbox is prone to problems such as loosening of the screw during a long period of shock and shock.
- the screw hole on the gearbox casing is close to the root of the gearbox casing, and the gearbox and the motor are easily damaged.
- the invention provides a reduction box motor.
- the present invention provides a reduction gear motor, including a power motor, a reduction gear casing, and a gear set installed in the reduction gear casing. At least part of the reduction gear casing is sleeved on the gear box.
- the power motor is fixedly connected to the power motor.
- the output shaft of the power motor is equipped with a drive gear.
- the drive gear is meshed with the gear set.
- the reduction gear shaft of the gear set penetrates the reduction gear.
- a casing, the reduction gear casing is provided with a flange portion.
- the power motor includes a motor body and an adapter fixedly connected to the motor body, the reduction gear casing is sleeved outside the adapter, and the reduction gear casing is fixedly connected to the rotor. Connector.
- the gearbox housing is locked to the adapter by at least one first fastener, and an axis of the first fastener is at a preset angle with an axis of the output shaft of the motor body.
- the adapter is provided with a central hole and at least two locking holes surrounding the central hole, the axis of the locking hole is perpendicular to the axis of the central hole, and the output shaft of the motor body passes through
- the first gear passes through the central hole and is fixed to the driving gear, and the first fastener passes through the reduction gear casing and is locked in the locking hole.
- the motor body includes a casing, and the adapter is detachably connected to the casing.
- the adapter is further provided with at least two fixing holes, and the adapter is passed through the fixing holes through a second fastener and is locked and connected to the casing.
- the motor body includes a casing, and the adapter is integrally formed with the casing.
- the gearbox housing includes an annular wall and an end wall closed at one end of the annular wall, the annular wall is sleeved outside the power motor and is fixedly connected to the power motor, and the gearbox shaft Through the end wall, the flange portion protrudes outward from an outer surface of the annular wall.
- the reduction gear casing further includes a gear portion provided on an inner surface of the annular wall, and the gear set is meshed with the gear portion.
- the gear set includes at least one stage planetary reduction gear set meshing with the driving gear, and the reduction gear shaft is fixed at an output portion of the planetary reduction gear set.
- the planetary reduction wheel set includes a fixed frame, at least one planetary wheel mounted on one side of the fixed frame, and a fixed shaft mounted on the other side of the fixed frame, and the reduction gear shaft is set to one of A fixed shaft of a planetary reduction wheel set, the planetary gears are respectively meshed with the driving gear and the reduction gear casing.
- the gear set includes a first reduction gear set and a second reduction gear set
- the driving gear is meshed with the first reduction gear set
- the first reduction gear set is provided to be mounted on the fixed A driven gear of the shaft
- the driven gear is meshed with the second reduction wheel group
- the reduction gear shaft is set as a fixed shaft of the second reduction wheel group.
- the gear set includes a fixed-axle reduction wheel set assembled to the reduction gear casing, the drive gear is meshed with the fixed-axle reduction wheel set, and the reduction gear shaft is set to the fixed-axis reduction
- the power output shaft of the wheel set passes through the reduction gear casing.
- the gearbox motor further includes a lock nut mounted on the gearbox shaft.
- the gearbox motor further includes a locking member connecting the gearbox shaft and a lock nut.
- the gearbox housing is provided with a flange portion, which is used to fix the gearbox motor to the corresponding equipment.
- the power motor and the gear set are not easily impacted by external forces and have good reliability.
- the power motor is fixed on the gearbox casing, which is convenient to install and fix. The impact of the gearbox casing will not be transmitted to the power motor, and the gearbox motor runs stably.
- Fig. 1 is a schematic structural diagram of a reduction gear box motor according to an exemplary embodiment of the present invention.
- Fig. 2 is a schematic cross-sectional structure diagram of a reduction gear box motor according to an exemplary embodiment of the present invention.
- Fig. 3 is a schematic diagram of an explosion structure of a reduction gear box motor according to an exemplary embodiment of the present invention.
- Fig. 4 is a schematic plan view of a structure of a reduction gear casing according to an exemplary embodiment of the present invention.
- Fig. 5 is a schematic structural diagram of a power motor according to an exemplary embodiment of the present invention.
- first, second, third, etc. may be used in the present invention to describe various kinds of information, the information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other.
- first information may also be referred to as the second information, and similarly, the second information may also be referred to as the first information.
- word "if” as used herein can be interpreted as “at” or "when” or "in response to determination”.
- the reduction gear motor includes a power motor 10, a reduction gear casing 20, and a gear set 30 installed in the reduction gear casing 20. At least part of the reduction gear casing 20 is set on the power.
- the motor 10 is external and fixedly connected to the power motor 10.
- the output shaft of the power motor 10 is equipped with a driving gear 13.
- the driving gear 13 is meshed with the gear set 30.
- the reduction gear shaft 31 of the gear set 30 penetrates the reduction gear housing 20, and the reduction gear housing 20 is provided with a flange portion 21.
- the reduction gear casing 20 is provided with a flange portion 21.
- the flange portion 21 is integrally formed with the reduction gear casing 20.
- the reduction gear box motor is fixed to the corresponding equipment through the flange portion 21 so that the driving gear 13 fixed on the output shaft of the power motor 10 meshes with and drives the 13 gear sets to operate, and the gear set 30 outputs corresponding torque and speed.
- the gear set 30 is disposed in the reduction gear casing 20 and is protected by the reduction gear casing 20.
- the reduction gear box casing 20 is sleeved on the power motor 10, and optionally, the reduction gear box casing 20 and the power motor 10 are fixedly integrated at a contact point between the two.
- the reduction gear casing 20 is sleeved outside the power motor 10, wherein the reduction gear casing 20 is located on the output shaft side of the power motor 10, and the reduction gear casing 20 is fixedly connected to the power motor 10 in the radial direction of the power motor 10.
- the power motor 10 is fixed to the speed reducer housing 20 in at least one of the following ways: fastener locking, cement connection, snap connection, interference fit connection, screw connection, and the like.
- the power motor 10 includes a motor body 11 and an adapter 12 fixedly connected to the motor body 11.
- a reduction gear box housing 20 is sleeved outside the adapter 12.
- the casing 20 is fixed to the adapter 12.
- the adapter 12 is fixed on the motor body 11 and surrounds the output shaft.
- the output shaft protrudes from the adapter 12 and is meshed with the gear set 30 through the driving gear 13.
- the motor body 11 includes a casing, and the adapter 12 is detachably connected to the casing.
- the adapter 12 is fixed to the casing of the motor body 11 by connection methods such as fastener connection, welding connection, and plug connection.
- the adapter 12 is further provided with at least two fixing holes 123.
- the adapter 12 passes through the fixing holes 123 through the second fastener and is locked and connected.
- the fixing hole 123 penetrates the adapter 12.
- the axis of the fixing hole 123 is substantially parallel to the axis of the output shaft.
- the second fastener passes through the fixing hole 123 and locks the adapter 12 to the casing of the motor body 11.
- the adapter 12 is set as an extension part of the cabinet, and the second fastener is locked to the cabinet in the axial direction, and the fixing of the adapter 12 is convenient.
- the adaptor 12 is a columnar structure, and the second fastener locks the adaptor 12 to the casing.
- the adaptor 12 and the motor main body 11 are conveniently fixed and the structure is simple.
- the fixing hole 123 is set as a counterbore structure, and an end surface of the second fastener is located in the counterbore.
- the adapter 12 is provided with a hollow or through-hole-shaped hollow portion 124, and the center line of the hollow portion 124 is substantially parallel to the axis of the output shaft to maintain the strength of the adapter 12 and reduce the adapter.
- the weight of piece 12 is a columnar structure, and the second fastener locks the adaptor 12 to the casing.
- the adaptor 12 and the motor main body 11 are conveniently fixed and the structure is simple.
- the fixing hole 123 is set as a counterbore structure, and an end surface of the second fastener is located in the counterbore.
- the adapter 12 is provided with a hollow or through-hole-shaped hollow portion 124, and the
- the motor body 11 includes a casing, and the adapter 12 is integrally formed with the casing.
- the reduction gear casing 20 is sleeved outside the adapter 12 and is fixedly connected to the adapter 12.
- the reduction gear casing 20 and the adapter 12 are fixed in at least one of the following ways: fastener locking, cement Cemented connection, snap connection, interference fit connection, thread connection, etc.
- the adapter 12 is plugged into the gearbox housing 20, and the two are connected by cementing with a cement.
- the adapter 12 is plugged and connected to the reduction gear casing 20 and interference fits with the reduction gear casing 20 so that the power motor 10 and the reduction gear casing 20 are fixedly connected.
- the adapter 12 is assembled to a preset position of the reduction gear casing 20, and the two are welded and integrated into one.
- the reduction gear casing 20 is locked to the adapter 12 by at least one first fastener 40, and the axis of the first fastener 40 and the axis of the output shaft of the motor body 11 are at a predetermined angle. .
- the first fastener 40 passes through the speed reducer housing 20 and is locked and connected to the adapter 12 so that the speed reducer housing 20 is locked to the adapter 12.
- the output shaft of the motor body 11 penetrates the adapter 12, and the axis of the first fastener 40 and the axis of the output shaft are at a predetermined angle, that is, the first fastener 40 penetrates the reduction gear casing 20 and is locked to the rotation at a predetermined angle. ⁇ ⁇ 12 ⁇ 12.
- the axis of the first fastener 40 is substantially perpendicular to the axis of the output shaft, that is, the angle between the two is approximately 90 degrees.
- the axis of the first fastener 40 may be disposed obliquely with respect to the axis of the output shaft.
- the reduction gear box casing 20 and the adapter 12 are connected by a first fastener 40, and the connection is convenient.
- the adapter 12 is provided with a central hole 121 and at least two locking holes 122 surrounding the central hole 121.
- the axis of the locking hole 122 is substantially perpendicular to the axis of the central hole 121.
- the output shaft of the motor body 11 passes through the central hole 121 and is fixedly connected to the driving gear 13.
- the first fastener 40 passes through the reduction gear casing 20 and is locked in the locking hole 122.
- the center hole 121 is provided at the center of the adapter 12.
- the adapter 12 is fixed to the motor body 11, and the output shaft of the motor body 11 passes through the center hole 121.
- the center of the central hole 121 coincides with the axis of the output shaft.
- the driving gear 13 is installed at the end of the output shaft.
- the end surface of the driving gear 13 is spaced a predetermined distance from the end surface of the adapter 12.
- the preset preset distance is set to 0 to 2 mm.
- the preset distance is set to 0.5 mm, 1 mm, 1.5 mm, 2 mm, and the like.
- the gear set 30 is meshed with the driving gear 13. At least a part of the plane of the gear set 30 is spaced a predetermined distance from the end surface of the adapter 12.
- the driving gear 13 and the gear set 30 are smoothly driven and occupy a small space.
- the axis of the locking hole 122 is substantially perpendicular to the axis of the central hole 121. Accordingly, the reduction gear casing 20 is provided with a connecting hole 26 corresponding to the position of the locking hole 122.
- the first fastener 40 passes through the connection hole 26 and is locked to the lock hole 122 to lock the reduction gear casing 20 to the connection member.
- the axis of the first fastener 40 is disposed along the radial direction of the adapter 12 so that the impact force of the gearbox housing 20 will not be transmitted to the adapter 12 through the first fastener 40 during the process of receiving the torque or the impact force.
- the motor body 11, the reduction box motor has good running stability.
- the reduction gear casing 20 includes an annular wall 23 and an end wall 24 closed at one end of the annular wall 23.
- the annular wall 23 is sleeved outside the power motor 10 and is connected to the power motor 10. Fixed connection.
- the reduction box shaft 31 penetrates the end wall 24, and the flange portion 21 projects outward from the outer surface of the annular wall 23.
- the area enclosed by the annular wall 23 and the end wall 24 forms a barrel-shaped space, and the reduction gear shaft 31 penetrates the end wall 24 and extends outward, so that the gear set 30 is driven by the reduction gear shaft 31 to output the corresponding Speed and torque.
- the reduction gear casing 20 is sleeved outside the power motor 10. Specifically, at least part of the annular wall 23 is sleeved at the adapter 12. Optionally, the annular wall 23 and the adapter 12 are fixed into a whole by means of fastener locking, cementing connection, snap connection, interference fit connection, screw connection and the like.
- connection hole 26 is formed in the annular wall 23, the annular wall 23 is sleeved outside the adapter 12, and the connection hole 26 is aligned with the locking hole 122 of the adapter 12.
- the first fastener 40 is locked in the locking hole 122 through the connecting hole 26, so that the annular wall 23 is sleeved and fixed to the adapter 12.
- the annular wall 23 is sleeved on the adapter 12, so that the motor body 11 is closed at the open end of the reduction gear casing 20, so that the gear set 30 is enclosed in the barrel-shaped space of the reduction gear casing 20, and the installation of the gear set 30 is convenient.
- the gear set 30 is installed in the reduction gear case 20 and the reduction gear shaft 31 penetrates the reduction gear case 20.
- the motor main body 11 is assembled to the reduction gear case 20 and meshes with the gear set 30 through the driving gear 13. The meshing connection is convenient and the assembly precision is high.
- the flange portion 21 is protruded from the outer surface of the annular wall 23, and the flange portion 21 is spaced a predetermined distance from the open end of the reduction gear casing 20.
- the flange portion 21 is located between the connection hole 26 and the end wall 24.
- the flange portion 21 is located between the open end of the reduction gear casing 20 and the connection hole 26.
- the flange portion 21 is provided at the open end of the reduction gear casing 20.
- the flange portion 21 is provided with a fitting portion 22 for fixing the reduction gear casing 20.
- the mounting portions 22 are spaced from at least two mounting holes of the flange portion 21.
- the mounting hole is a threaded hole and / or a through hole.
- the mounting portion 22 is provided with three threaded holes and three through holes, wherein the three threaded holes are evenly distributed around the reduction gear shaft 31 and the three through holes are evenly distributed around the reduction gear shaft 31.
- the flange portion 21 is provided with an assembling portion 22 for fixing the gearbox housing 20, which is convenient to install and uniformly stressed.
- the gear set 30 changes the torque and the rotation speed of the gearbox motor by the transmission ratio between the gears of each level.
- the gear set 30 includes a planetary reduction gear set and a fixed-axis reduction gear set. .
- the gear set 30 includes at least one planetary reduction gear set meshing with the driving gear 13, and the reduction gear shaft 31 is fixed at the output portion of the planetary reduction gear set.
- the gear set 30 is set as a one-stage or multi-stage planetary reduction gear set.
- the driving gear 13 fixed on the output shaft of the motor body 11 is located at the sun gear position and is used to drive the planetary reduction gear set to operate.
- the reduction gear casing 20 further includes a gear portion 25 provided on the inner surface of the annular wall 23, and the gear set 30 is meshed with the gear portion 25.
- the planetary gear 34 of the planetary reduction gear set is meshed with the gear part 25 in the reduction gear casing 20 so that the planetary reduction gear set transmits the force to the reduction gear casing 20 and stabilizes the rotation of the planetary reduction gear set through the reduction gear casing 20 .
- the reduction gear shaft 31 is provided at the output portion of the planetary reduction wheel set to output the torque and rotation speed adjusted by the planetary reduction wheel set, and the transmission efficiency is high.
- the planetary reduction wheel set includes a fixed frame 35, at least one planetary wheel 34 mounted on one side of the fixed frame 35, and a fixed shaft 36 mounted on the other side of the fixed frame 35. It is a fixed shaft 36 of one of the planetary reduction gear sets, and the planetary gear 34 is meshed with the driving gear 13 and the reduction gear casing 20 respectively.
- the planet gear 34 can be rotatably mounted on one side of the fixed frame 35 and meshed with the gear set 30, so that the planet gear 34 drives the fixed frame 35 to rotate under the driving of the driving gear 13, and at the same time the planet gear 34 rotates about its own axis.
- the reduction gear shaft 31 is the fixed shaft 36, and accordingly, the reduction gear shaft 31 is located at the rotation centerline position of the fixed frame 35.
- the reduction gearbox shaft 31 rotates and outputs the corresponding torque and rotation speed to the outside, and the deceleration effect is good.
- the fixed frame 35 is uniformly mounted with three planetary gears 34, and the three planetary gears 34 are simultaneously meshed with the driving gear 13 and the gear portion 25 of the reduction gear casing 20.
- the driving gear 13 drives the three planetary wheels 34 to rotate at the same time, so that the force of the fixed frame 35 is balanced and the running stability is good.
- the gear set 30 is a multi-stage planetary gear set.
- the gear set 30 includes a first reduction gear set 32 and a second reduction gear set 33.
- the driving gear 13 is meshed with the first reduction gear set 32.
- the first reduction gear set 32 is provided with a driven gear mounted on a fixed shaft 36 37.
- the driven gear 37 is meshedly connected with the second reduction gear group 33, and the reduction gear shaft 31 is set as a fixed shaft 36 of the second reduction gear group 33.
- the first reduction wheel set 32 and the second reduction wheel set 33 are superimposed, and the required space is small and the reduction effect is good.
- the planetary gears 34 in the first reduction wheel group 32 are meshed with the driving gear 13 and driven by the driving gear 13 to rotate the fixing frame 35 in the first reduction wheel group 32, which in turn makes it fixed to the first reduction wheel group 32.
- the fixed shaft 36 of the fixed frame 35 rotates.
- the driven gear 37 fixed by the fixed shaft 36 is located at the sun gear position of the second reduction gear group 33, and the driven gear 37 is meshed with the planetary gear 34 in the second reduction gear group 33, and
- the driving unit drives the fixed frame 35 in the second reduction wheel group 33 to rotate, and then rotates the fixed shaft 36 of the fixed frame 35 in the second reduction wheel group 33.
- the reduction gear shaft 31 is set as a fixed shaft 36, that is, the fixed frame 35 in the second reduction wheel group 33 drives the reduction gear shaft 31 to rotate, and the reduction gear shaft 31 is inserted outside the reduction gear casing 20.
- the gear set 30 is set as a multi-stage superimposed planetary gear set, which has good deceleration effect and high transmission efficiency.
- the multi-layer planetary gear set can reduce the axial size of the reduction gear casing 20, and the internal space utilization of the reduction gear casing 20 is high.
- the gear set 30 includes a fixed-shaft reduction gear set assembled to the reduction gear casing 20, the driving gear 13 is meshed with the fixed-shaft reduction gear set, and the reduction gear shaft 31 is set as the power output shaft of the fixed-shaft reduction gear set. And penetrates the reduction gear casing 20.
- the gear set 30 is set as a fixed-shaft reduction wheel set, wherein the fixed-shaft reduction wheel set is provided with one or more reduction gears.
- the reduction gear shaft 31 is adjusted in accordance with the preset Set speed and torque output.
- the fixed-shaft reduction wheel set is a multi-stage reduction gear
- the axle of the intermediate gear is fixed on the reduction gear, and the gear set 30 is convenient to fix.
- the gearbox motor further includes a lock nut 50 mounted on the gearbox shaft 31.
- a lock nut 50 is mounted on the reduction gear shaft 31, and the lock nut 50 supports and restricts a driving member locked to the reduction gear motor.
- the rotor, the link mechanism, and other components requiring power driving are abutted and locked on the lock nut 50.
- the reduction gearbox shaft 31 is a threaded shaft; and / or, the cross section of the reduction gearbox shaft 31 is provided with a positioning surface so that the reduction gearbox shaft 31 can transmit torque and facilitate the installation and fixing of the driving member.
- the reduction gear motor further includes a locking member 60 connecting the reduction gear shaft 31 and the lock nut 50.
- Corresponding limiting holes 51 are opened in the reduction gear shaft 31 and the lock nut 50, and the locking member 60 is inserted into the lock nut 50 and the reduction gear shaft 31 in this order so that the lock nut 50 is limited to a preset position of the reduction gear shaft 31 and positioned The effect is good.
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Abstract
一种减速箱电机,包括动力电机(10)、减速箱外壳(20)及安装于所述减速箱外壳(20)内的齿轮组(30),至少部分所述减速箱外壳(20)套设于所述动力电机(10)外并与所述动力电机(10)固定连接,所述动力电机(10)的输出轴装配有驱动齿轮(13),所述驱动齿轮(13)与所述齿轮组(30)啮合连接,所述齿轮组(30)的减速箱轴(31)贯穿所述减速箱外壳(20),所述减速箱外壳(20)设有法兰部(21),该法兰部(21)用于将减速箱电机固定于相应的设备上,减速箱外壳(20)内部不易受到外力冲击,可靠性好,动力电机(10)固定于减速箱外壳(20)上,安装固定方便,减速箱外壳(20)受到的冲击不会传递至动力电机(10),减速箱电机运行稳定。
Description
本发明实施例涉及电机技术领域,尤其涉及一种减速箱电机。
减速箱电机包括电机、转接板和减速箱,其中,转接板用于连接电机和减速箱。具体地,转接板固连于电机,减速箱安装于转接板上。减速箱与电机的输出轴连接,以使减速箱输出相应的转速及扭矩。在转接板上设有预留的安装空间,该安装空间用于将减速箱电机固定于相应的设备上,以使减速箱电机能驱动设备的相应机构动作。
在相关技术中,电机固定于转接板的一侧,减速箱固定于转接板的另一侧,电机组件与减速箱的定位精度低,导致电机与减速箱的传动效率低。并且,在减速箱电机运行过程中,转接板固定于设备上,减速箱的晃动幅度大,安装效果差。特别是当减速箱受到外力冲击时,固定于转接板的减速箱容易脱落。
此外,螺钉贯穿减速箱及转接板并固定于电机,则减速箱的壳体需预留螺钉安装孔径,导致壳体明显增大。并且,螺钉沿减速箱的轴向固定至电机,当减速箱的输出轴受到径向冲击时,螺钉产生弯矩并传递至电机,易导致电机损坏。
而将螺钉沿径向锁定至转接件时,则减速箱的输出轴在长时间承受震动和冲击过程中容易产生螺钉松动等问题。并且减速箱壳体上的螺钉孔贴近减速箱外壳根部,减速箱及电机均容易损坏。
发明内容
本发明提供一种减速箱电机。
依据本发明实施例的第一方面,本发明提供一种减速箱电机,包括动力电机、减速箱外壳及安装于所述减速箱外壳内的齿轮组,至少部分所述减速箱外壳套设于所述动力电机外并与所述动力电机固定连接,所述动力 电机的输出轴装配有驱动齿轮,所述驱动齿轮与所述齿轮组啮合连接,所述齿轮组的减速箱轴贯穿所述减速箱外壳,所述减速箱外壳设有法兰部。
可选地,所述动力电机包括电机主体和固连于所述电机主体的转接件,所述减速箱外壳套设于所述转接件外,所述减速箱外壳固连于所述转接件。
可选地,所述减速箱外壳通过至少一个第一紧固件锁定于所述转接件,所述第一紧固件的轴线与所述电机主体的输出轴的轴线呈预设角度。
可选地,所述转接件设有中心孔和环绕于所述中心孔的至少两个锁定孔,所述锁定孔的轴线垂直于所述中心孔的轴线,所述电机主体的输出轴穿过所述中心孔并固连所述驱动齿轮,所述第一紧固件穿过所述减速箱外壳并锁定于所述锁定孔。
可选地,所述电机主体包括机壳,所述转接件与所述机壳可拆卸连接。
可选地,所述转接件还设有至少两个固定孔,所述转接件通过第二紧固件穿过所述固定孔并锁定连接于所述机壳。
可选地,所述电机主体包括机壳,所述转接件与所述机壳一体成型。
可选地,所述减速箱外壳包括环形壁和封闭于所述环形壁一端的端壁,所述环形壁套设于所述动力电机外并与所述动力电机固定连接,所述减速箱轴贯穿所述端壁,所述法兰部自所述环形壁的外侧表面向外凸出。
可选地,所述减速箱外壳还包括设于所述环形壁的内侧表面的齿轮部,所述齿轮组啮合于所述齿轮部。
可选地,所述齿轮组包括与所述驱动齿轮啮合的至少一级行星减速轮组,所述减速箱轴固设于所述行星减速轮组的输出部位。
可选地,所述行星减速轮组包括固定架、装配于所述固定架一侧的至少一行星轮和安装于所述固定架另一侧的固定轴,所述减速箱轴设为其中一行星减速轮组的固定轴,所述行星轮分别啮合于所述驱动齿轮及所述减速箱外壳。
可选地,所述齿轮组包括第一减速轮组及第二减速轮组,所述驱动齿轮与所述第一减速轮组啮合连接,所述第一减速轮组设有安装于所述固定 轴的从动齿轮,所述从动齿轮与所述第二减速轮组啮合连接,所述减速箱轴设为所述第二减速轮组的固定轴。
可选地,所述齿轮组包括装配于所述减速箱外壳的定轴减速轮组,所述驱动齿轮与所述定轴减速轮组啮合连接,所述减速箱轴设为所述定轴减速轮组的动力输出轴并贯穿所述减速箱外壳。
可选地,所述减速箱电机还包括安装于所述减速箱轴的锁定螺母。
可选地,所述减速箱电机还包括连接所述减速箱轴与锁定螺母的锁定件。
本发明实施例提供的技术方案可以包括以下有益效果:
减速箱外壳设置法兰部,该法兰部用于将减速箱电机固定于相应的设备上,动力电机及齿轮组不易受到外力冲击,可靠性好。动力电机固定于减速箱外壳上,安装固定方便。减速箱外壳受到的冲击不会传递至动力电机,减速箱电机运行稳定。
图1是本发明一示例性实施例示出的减速箱电机的结构示意图。
图2是本发明一示例性实施例示出的减速箱电机的剖视结构示意图。
图3是本发明一示例性实施例示出的减速箱电机的爆炸结构示意图。
图4是本发明一示例性实施例示出的减速箱外壳的俯视结构示意图。
图5是本发明一示例性实施例示出的动力电机的结构示意图。
图中,动力电机10;电机主体11;转接件12;中心孔121;锁定孔122;固定孔123;镂空部124;驱动齿轮13;减速箱外壳20;法兰部21;装配部22;环形壁23;端壁24;齿轮部25;连接孔26;齿轮组30;减速箱轴31;第一减速轮组32;第二减速轮组33;行星轮34;固定架35;固定轴36;从动齿轮37;第一紧固件40;锁定螺母50;限位孔51;锁定件60。
这里将详细地对示例性实施例进行说明,其示例表示在附图中。下面 的描述涉及附图时,除非另有表示,不同附图中的相同数字表示相同或相似的要素。以下示例性实施例中所描述的实施例并不代表与本发明相一致的所有实施例。相反,它们仅是与如所附权利要求书中所详述的、本发明的一些方面相一致的装置和方法的例子。
在本发明使用的术语是仅仅出于描述特定实施例的目的,而非旨在限制本发明。在本发明和所附权利要求书中所使用的单数形式的“一种”、“所述”和“该”也旨在包括多数形式,除非上下文清楚地表示其他含义。还应当理解,本文中使用的术语“和/或”是指并包含一个或多个相关联的列出项目的任何或所有可能组合。
应当理解,尽管在本发明可能采用术语第一、第二、第三等来描述各种信息,但这些信息不应限于这些术语。这些术语仅用来将同一类型的信息彼此区分开。例如,在不脱离本发明范围的情况下,第一信息也可以被称为第二信息,类似地,第二信息也可以被称为第一信息。取决于语境,如在此所使用的词语“如果”可以被解释成为“在……时”或“当……时”或“响应于确定”。
如图1和图2所示,在一实施例中,减速箱电机包括动力电机10、减速箱外壳20及安装于减速箱外壳20内的齿轮组30,至少部分减速箱外壳20套设于动力电机10外并与动力电机10固定连接。动力电机10的输出轴装配有驱动齿轮13,驱动齿轮13与齿轮组30啮合连接,齿轮组30的减速箱轴31贯穿减速箱外壳20,减速箱外壳20设有法兰部21。
减速箱外壳20设有法兰部21,可选地,该法兰部21一体成型于减速箱外壳20。减速箱电机通过法兰部21固定于相应地设备上,以使动力电机10的输出轴固定的驱动齿轮13啮合并驱动齿轮13组运行,齿轮组30输出相应的扭矩和转速。齿轮组30设于减速箱外壳20内,并受减速箱外壳20的保护。当减速箱电机的减速箱外壳20受到外力作用时,减速箱外壳20通过法兰部21将外力齿轮组30传递至设备上,避免外力作用于齿轮组30和动力电机10,减速箱电机的运行稳定性好。
减速箱外壳20套设于动力电机10上,可选地,减速箱外壳20与动 力电机10在两者的接触部位固连成一体。如,减速箱外壳20套设于动力电机10外,其中,减速箱外壳20位于动力电机10的输出轴一侧,减速箱外壳20沿动力电机10的径向固定连接于动力电机10。可选地,动力电机10固定于减速箱外壳20包括以下至少一种方式:紧固件锁定、胶结剂胶结连接、卡扣连接、过盈配合连接、螺纹连接等。
如图2和图3所示,在一实施例中,动力电机10包括电机主体11和固连于电机主体11的转接件12,减速箱外壳20套设于转接件12外,减速箱外壳20固连于转接件12。
转接件12固设于电机主体11并环绕输出轴,输出轴凸出转接件12并通过驱动齿轮13与齿轮组30啮合连接。在一可选地实施方式中,电机主体11包括机壳,转接件12与机壳可拆卸连接。转接件12通过紧固件连接、焊接连接、插接连接等连接方式固定于电机主体11的机壳。
如图3和图5所示,在一可选地实施例中,转接件12还设有至少两个固定孔123,转接件12通过第二紧固件穿过固定孔123并锁定连接于机壳。固定孔123贯穿转接件12,固定孔123的轴线大致平行于输出轴的轴线,第二紧固件穿过固定孔123并将转接件12锁定于电机主体11的机壳。转接件12设为机壳的外延部件,第二紧固件沿轴向锁定至机壳,转接件12的固定方便。
可选地,转接件12设为柱状结构,第二紧固件将转接件12锁定于机壳,转接件12与电机主体11固定方便,结构简单。固定孔123设为沉孔结构,第二紧固件的端面位于沉孔内。可选地,转接件12设有沉孔或通孔状的镂空部124,该镂空部124的中心线大致平行于输出轴的轴线,以保持转接件12的强度,又能降低转接件12的重量。
在一可选地实施方式中,电机主体11包括机壳,转接件12与机壳一体成型。
减速箱外壳20套设于转接件12外并与转接件12固定连接,可选地,减速箱外壳20与转接件12的固定包括以下至少一种方式:紧固件锁定、胶结剂胶结连接、卡扣连接、过盈配合连接、螺纹连接等。
例如,在转接件12与减速箱外壳20插接连接,两者通过胶结剂胶结连接。或者转接件12插接连接于减速箱外壳20并与减速箱外壳20过盈配合,以使动力电机10与减速箱外壳20固定连接。又或者转接件12装配至减速箱外壳20的预设位置,两者焊接连接成一体。
在一可选地实施例中,减速箱外壳20通过至少一个第一紧固件40锁定于转接件12,第一紧固件40的轴线与电机主体11的输出轴的轴线呈预设角度。
第一紧固件40穿过减速箱外壳20并锁定连接至转接件12,以使减速箱外壳20锁固于转接件12。电机主体11的输出轴贯穿转接件12,第一紧固件40的轴线与输出轴的轴线呈预设角度,即第一紧固件40贯穿减速箱外壳20并沿预设角度锁定于转接件12。例如,第一紧固件40的轴线大致垂直于输出轴的轴线,即两者的角度约为90度角。当然,第一紧固件40的轴线相对于输出轴的轴线也可倾斜设置。减速箱外壳20与转接件12通过第一紧固件40连接,其连接方便。
在一可选地实施例中,转接件12设有中心孔121和环绕于中心孔121的至少两个锁定孔122,锁定孔122的轴线大致垂直于中心孔121的轴线。电机主体11的输出轴穿过中心孔121并固连驱动齿轮13,第一紧固件40穿过减速箱外壳20并锁定于锁定孔122。
中心孔121设于转接件12的中心部位,转接件12固定至电机主体11,则电机主体11的输出轴贯穿中心孔121。可选地,中心孔121的中心与输出轴的轴线重合。驱动齿轮13安装于输出轴的末端,可选地,驱动齿轮13的端面与转接件12的端面间隔预设距离。如该间隔预设距离设为0~2毫米,具体地,两者间隔距离设为0.5mm、1mm、1.5mm、2mm等。相应地,齿轮组30与驱动齿轮13啮合连接,至少部分齿轮组30的平面与转接件12的端面间隔预设距离,驱动齿轮13与齿轮组30传动平稳,所占据空间小。
锁定孔122的轴线大致垂直于中心孔121的轴线,相应地,减速箱外壳20设有与锁定孔122位置相对应的连接孔26。第一紧固件40穿过连接 孔26并锁定至锁定孔122,以使减速箱外壳20锁定于连接件。第一紧固件40的轴线沿转接件12的径向设置,使得减速箱外壳20在承受扭矩或冲击力过程中,该冲击力不会通过第一紧固件40传递至转接件12及电机主体11,减速箱电机的运行稳定性好。
如图2和图3所示,在一实施例中,减速箱外壳20包括环形壁23和封闭于环形壁23一端的端壁24,环形壁23套设于动力电机10外并与动力电机10固定连接。减速箱轴31贯穿端壁24,法兰部21自环形壁23的外侧表面向外凸出。
环形壁23与端壁24合围区域形成桶形空间,减速箱轴31贯穿端壁24并向外延伸,以使齿轮组30在驱动齿轮13的驱动下通过减速箱轴31向外输出相应地的转速和扭矩。减速箱外壳20套设于动力电机10外,具体地,至少部分环形壁23套设于转接件12处。可选地,环形壁23与转接件12通过紧固件锁定、胶结剂胶结连接、卡扣连接、过盈配合连接、螺纹连接等方式固定呈一体。
例如,连接孔26开设于环形壁23,环形壁23套设于转接件12外,连接孔26与转接件12的锁定孔122对齐。第一紧固件40穿过连接孔26锁定于锁定孔122锁定,以使环形壁23套设并固定于转接件12。
环形壁23套设于转接件12处,以使电机主体11封闭于减速箱外壳20的开口端,从而使齿轮组30封闭于减速箱外壳20的桶形空间内,齿轮组30的安装方便。齿轮组30安装于减速箱外壳20内且减速箱轴31贯穿减速箱外壳20,电机主体11装配至减速箱外壳20并通过驱动齿轮13与齿轮组30啮合连接,啮合连接方便,装配精度高。
如图3和图4所示,在一可选地实施例中,法兰部21凸设于环形壁23的外侧表面,且法兰部21与减速箱外壳20的开口端间隔预设距离。可选地,法兰部21位于连接孔26与端壁24之间。可选地,法兰部21位于减速箱外壳20的开口端与连接孔26之间。可选地,法兰部21设于减速箱外壳20的开口端。
在一可选地实施例中,法兰部21设有装配部22,装配部22用于固定 减速箱外壳20。可选地,装配部22间隔分布于法兰部21的至少二个装配孔。可选地,装配孔设为螺纹孔和/或通孔。在一具体实施例中,装配部22设有三个螺纹孔和三个通孔,其中,三个螺纹孔环绕减速箱轴31均匀分布,三个通孔环绕减速箱轴31均匀分布。法兰部21上设有装配部22用于固定减速箱外壳20,安装方便,受力均匀。
如图2和图3所示,齿轮组30通过各级齿轮之间的传动比进行改变减速箱电机输出的扭矩和转速,可选地,齿轮组30包括行星减速轮组和定轴减速轮组。
在一实施例中,齿轮组30包括与驱动齿轮13啮合的至少一级行星减速轮组,减速箱轴31固设于行星减速轮组的输出部位。齿轮组30设为一级或多级行星减速轮组,相应地,电机主体11的输出轴固定的驱动齿轮13位于太阳轮位置,用于驱动行星减速轮组运行。相应地,减速箱外壳20还包括设于环形壁23的内侧表面的齿轮部25,齿轮组30啮合于齿轮部25。
行星减速轮组的行星轮34与减速箱外壳20内的齿轮部25啮合连接,以使行星减速轮组将作用力传递至减速箱外壳20,并通过减速箱外壳20稳定行星减速轮组的转动。减速箱轴31设于行星减速轮组的输出部位,以将经行星减速轮组调节的扭矩和转速输出,传动效率高。
在一可选地实施例中,行星减速轮组包括固定架35、装配于固定架35一侧的至少一行星轮34和安装于固定架35另一侧的固定轴36,减速箱轴31设为其中一行星减速轮组的固定轴36,行星轮34分别啮合于驱动齿轮13及减速箱外壳20。
行星轮34可转动安装于固定架35的一侧,并与齿轮组30啮合连接,以使行星轮34在驱动齿轮13的驱动下带动固定架35转动,同时行星轮34绕自身的轴线转动。当行星减速轮组仅设为一级时,减速箱轴31即为固定轴36,相应地,减速箱轴31位于固定架35的回转中心线位置。固定架35转动过程中,减速箱轴31转动并向外输出对应的扭矩和转速,减速效果好。
在一具体实施例中,固定架35均匀安装有三个行星轮34,三个行星轮34均同时啮合于驱动齿轮13及减速箱外壳20的齿轮部25。驱动齿轮13驱动三个行星轮34同时转动,以使固定架35的受力平衡,运行稳定性好。
在一可选地实施例中,齿轮组30设为多级行星轮组。其中,齿轮组30包括第一减速轮组32及第二减速轮组33,驱动齿轮13与第一减速轮组32啮合连接,第一减速轮组32设有安装于固定轴36的从动齿轮37。从动齿轮37与第二减速轮组33啮合连接,减速箱轴31设为第二减速轮组33的固定轴36。
第一减速轮组32和第二减速轮组33叠加设置,所需空间小,减速效果好。第一减速轮组32中的行星轮34与驱动齿轮13啮合连接,并在驱动齿轮13的驱动下带动第一减速轮组32中的固定架35转动,继而使得固定于第一减速轮组32中的固定架35的固定轴36转动。相应地,固定轴36固定的从动齿轮37位于第二减速轮组33的太阳轮位置,从动齿轮37与第二减速轮组33中的行星轮34啮合连接,并在从动齿轮37的驱动下带动第二减速轮组33中的固定架35转动,继而使得固定于第二减速轮组33中的固定架35的固定轴36转动。减速箱轴31设为固定轴36,即第二减速轮组33中的固定架35带动减速箱轴31转动,该减速箱轴31穿插至减速箱外壳20外。
齿轮组30设为多级叠加设置的行星轮组,减速效果好,传动效率高。并且多级行星轮组叠加设置可以降低减速箱外壳20的轴向尺寸,减速箱外壳20的内部空间利用率高。
在一实施例中,齿轮组30包括装配于减速箱外壳20的定轴减速轮组,驱动齿轮13与定轴减速轮组啮合连接,减速箱轴31设为定轴减速轮组的动力输出轴并贯穿减速箱外壳20。
齿轮组30设为定轴减速轮组,其中,定轴减速轮组设有一级或多级减速齿轮,通过调整驱动齿轮13与定轴减速轮组的传动比,以使减速箱轴31按预设的转速及扭矩输出。当定轴减速轮组设为多级减速齿轮时, 中间齿轮的轮轴固定于减速箱齿轮上,齿轮组30固定方便。
在一实施例中,减速箱电机还包括安装于减速箱轴31的锁定螺母50。减速箱轴31上安装有锁定螺母50,锁定螺母50支撑和限定锁定于减速箱电机的驱动件。如将旋翼、连杆机构及其他需动力驱动的部件抵接锁定于锁定螺母50。
可选地,减速箱轴31设为螺纹轴;和/或,减速箱轴31的截面设有定位面,以使减速箱轴31能传递扭矩及便于安装和固定驱动件。
在一可选地实施例中,减速箱电机还包括连接减速箱轴31与锁定螺母50的锁定件60。在减速箱轴31和锁定螺母50上开设对应的限位孔51,锁定件60依次穿插至锁定螺母50和减速箱轴31,以使锁定螺母50限定于减速箱轴31的预设位置,定位效果好。
在不冲突的情况下,上述的实施例及实施例中的特征可以相互组合。以上仅为本发明的较佳实施例而已,并不用以限制本发明,凡在本发明的精神和原则之内,所做的任何修改、等同替换、改进等,均应包含在本发明保护的范围之内。
Claims (15)
- 一种减速箱电机,其特征在于,包括动力电机、减速箱外壳及安装于所述减速箱外壳内的齿轮组,至少部分所述减速箱外壳套设于所述动力电机外并与所述动力电机固定连接,所述动力电机的输出轴装配有驱动齿轮,所述驱动齿轮与所述齿轮组啮合连接,所述齿轮组的减速箱轴贯穿所述减速箱外壳,所述减速箱外壳设有法兰部。
- 根据权利要求1所述的减速箱电机,其特征在于,所述动力电机包括电机主体和固连于所述电机主体的转接件,所述减速箱外壳套设于所述转接件外,所述减速箱外壳固连于所述转接件。
- 根据权利要求2所述的减速箱电机,其特征在于,所述减速箱外壳通过至少一个第一紧固件锁定于所述转接件,所述第一紧固件的轴线与所述电机主体的输出轴的轴线呈预设角度。
- 根据权利要求3所述的减速箱电机,其特征在于,所述转接件设有中心孔和环绕于所述中心孔的至少两个锁定孔,所述锁定孔的轴线垂直于所述中心孔的轴线,所述电机主体的输出轴穿过所述中心孔并固连所述驱动齿轮,所述第一紧固件穿过所述减速箱外壳并锁定于所述锁定孔。
- 根据权利要求2所述的减速箱电机,其特征在于,所述电机主体包括机壳,所述转接件与所述机壳可拆卸连接。
- 根据权利要求5所述的减速箱电机,其特征在于,所述转接件还设有至少两个固定孔,所述转接件通过第二紧固件穿过所述固定孔并锁定连接于所述机壳。
- 根据权利要求2所述的减速箱电机,其特征在于,所述电机主体包括机壳,所述转接件与所述机壳一体成型。
- 根据权利要求1所述的减速箱电机,其特征在于,所述减速箱外壳包括环形壁和封闭于所述环形壁一端的端壁,所述环形壁套设于所述动力电机外并与所述动力电机固定连接,所述减速箱轴贯穿所述端壁,所述法兰部自所述环形壁的外侧表面向外凸出。
- 根据权利要求8所述的减速箱电机,其特征在于,所述减速箱外壳还包括设于所述环形壁的内侧表面的齿轮部,所述齿轮组啮合于所述齿轮 部。
- 根据权利要求1所述的减速箱电机,其特征在于,所述齿轮组包括与所述驱动齿轮啮合的至少一级行星减速轮组,所述减速箱轴固设于所述行星减速轮组的输出部位。
- 根据权利要求10所述的减速箱电机,其特征在于,所述行星减速轮组包括固定架、装配于所述固定架一侧的至少一行星轮和安装于所述固定架另一侧的固定轴,所述减速箱轴设为其中一行星减速轮组的固定轴,所述行星轮分别啮合于所述驱动齿轮及所述减速箱外壳。
- 根据权利要求11所述的减速箱电机,其特征在于,所述齿轮组包括第一减速轮组及第二减速轮组,所述驱动齿轮与所述第一减速轮组啮合连接,所述第一减速轮组设有安装于所述固定轴的从动齿轮,所述从动齿轮与所述第二减速轮组啮合连接,所述减速箱轴设为所述第二减速轮组的固定轴。
- 根据权利要求1所述的减速箱电机,其特征在于,所述齿轮组包括装配于所述减速箱外壳的定轴减速轮组,所述驱动齿轮与所述定轴减速轮组啮合连接,所述减速箱轴设为所述定轴减速轮组的动力输出轴并贯穿所述减速箱外壳。
- 根据权利要求1所述的减速箱电机,其特征在于,所述减速箱电机还包括安装于所述减速箱轴的锁定螺母。
- 根据权利要求14所述的减速箱电机,其特征在于,所述减速箱电机还包括连接所述减速箱轴与锁定螺母的锁定件。
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