CN109194025B - Torque-increasing motor - Google Patents
Torque-increasing motor Download PDFInfo
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- CN109194025B CN109194025B CN201811276101.6A CN201811276101A CN109194025B CN 109194025 B CN109194025 B CN 109194025B CN 201811276101 A CN201811276101 A CN 201811276101A CN 109194025 B CN109194025 B CN 109194025B
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- motor
- shell
- transmission gear
- output shaft
- lubricating oil
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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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention provides a torque-increasing motor which comprises a shell, wherein the shell is internally provided with: the power output shaft is provided with an upper end and a lower end, the upper end is connected with the shell through bearings arranged at the top and the bottom in the shell, and the lower end extends out of the shell; the transmission gear is sleeved and fixedly connected on the output shaft, and gear teeth are arranged on two side surfaces of the periphery of the transmission gear; the motor driving device comprises a plurality of pairs of motors, wherein each pair of motors is respectively arranged on the upper side and the lower side of a transmission gear, an output shaft of each motor is provided with a hub tooth, the hub teeth are meshed with gear teeth, the rotation directions of the motors are mutually vertical to the rotation direction of the transmission gear, the rotation directions of the motors positioned on the same side of the transmission gear are the same, and the rotation directions of the motors positioned on different sides of the transmission gear are opposite. The torque increasing motor provided by the invention can improve the torque output of the motor in a multiple relation through a lever principle.
Description
Technical Field
The invention relates to the field of mechanical equipment manufacturing, in particular to a torque-increasing motor.
Background
An electric machine, also called an electric motor, is a device that converts electrical energy into mechanical energy. The electromagnetic power generator utilizes an electrified coil (namely a stator winding) to generate a rotating magnetic field and acts on a rotor (such as a squirrel-cage closed aluminum frame) to form magnetoelectric power rotating torque. The motors are divided into direct current motors and alternating current motors according to different power supplies, most of the motors in the power system are alternating current motors, and can be synchronous motors or asynchronous motors (the rotating speed of a stator magnetic field of the motor is different from the rotating speed of a rotor to keep synchronous speed). The motor mainly comprises a stator and a rotor, and the direction of the forced movement of the electrified conducting wire in a magnetic field is related to the current direction and the direction of a magnetic induction line (magnetic field direction). The working principle of the motor is that the magnetic field exerts force on current to rotate the motor.
At present, motors are applied to electromechanical products and industrial fields everywhere, and the motors on the market are all output at fixed torque and only provided with one power supply input port, so that the large-torque output in certain scenes (such as electric automobiles) is difficult to meet.
Disclosure of Invention
In order to make up for the defects in the prior art, the invention provides a torque increasing motor which can improve the torque output of the motor in a multiple relation by a lever principle.
In order to achieve the purpose, the invention adopts the following technical scheme:
a torque-increasing motor comprises a casing, wherein:
the power output shaft is provided with an upper end and a lower end, the upper end is connected with the shell through bearings arranged at the top and the bottom in the shell, and the lower end extends out of the shell;
the transmission gear is sleeved and fixedly connected on the power output shaft, and gear teeth are arranged on two side surfaces of the periphery of the transmission gear;
the motor driving device comprises a plurality of pairs of motors, wherein each pair of motors is respectively arranged on the upper side and the lower side of a transmission gear, an output shaft of each motor is provided with a hub tooth, the hub teeth are meshed with gear teeth of the transmission gear, the rotation directions of the motors are mutually vertical to the rotation direction of the transmission gear, the rotation directions of the motors positioned on the same side of the transmission gear are the same, and the rotation directions of the motors positioned on different sides of the transmission gear are opposite.
Furthermore, the gear teeth and the radial line of the transmission gear form an included angle of 45 degrees, and the hub teeth of the motor and the axial line of the motor form an angle of 45 degrees.
Furthermore, a detachable shell cap is arranged at the top of the shell corresponding to the end part of the power output shaft.
Furthermore, a lubricating oil circulating system is further arranged in the machine shell and comprises lubricating oil, a circulating passage and a disturbing device, the lubricating oil is arranged at the bottom in the machine shell, the circulating passage is communicated with the motor at the top and the bottom in the machine shell, and the disturbing device is arranged in the circulating passage.
Furthermore, the circulation path comprises an output shaft channel and a lubricating oil pipeline, the output shaft channel is arranged in the upper end of the power output shaft, the output shaft channel is communicated with the interior of the casing through channel inlets arranged on two sides of the bottom of the upper end, a lubricating oil outlet is arranged on the top of the casing corresponding to the end part of the power output shaft, lubricating oil inlets are arranged on two sides of the top of the casing corresponding to the motor, and the lubricating oil pipeline is communicated with the lubricating oil outlet and the lubricating oil inlet.
Further, the disturbance device comprises a spiral sheet arranged in the channel of the output shaft and a spiral blade arranged at the inlet of the channel.
Furthermore, a lubricating oil detection ruler is further arranged on the side wall of the bottom in the machine shell.
Further, a motor fixing shaft is further arranged in the shell and parallel to the transmission gear, the motor fixing shaft is hollow inside, one end of the motor fixing shaft is communicated with the outside of the shell, and the motor is fixed on the motor fixing shaft through a bearing.
Furthermore, the motors are symmetrically arranged on two sides of the transmission gear.
Further, the motor is a permanent magnet brushless hub gear motor.
Compared with the prior art, the invention has the following beneficial technical effects:
according to the torque-increasing motor, the plurality of pairs of small motor driving transmission gears are arranged, the torque force of the small motors is output to the power output shaft, the torque output of the power output shaft is increased in a multiple relation by utilizing the lever action, and the power output shaft can obtain larger driving force to drive a load; the torque-increasing motor has compact structure, has the advantages of direct force transmission, small time lag, high efficiency and the like compared with other modes, can conveniently adjust the driving force according to the requirement, increases the working quantity of small motors when large driving force is required, and reduces the working quantity of small motors when small driving force is required, thereby reducing the electric energy loss.
Drawings
Fig. 1 is a schematic structural view (longitudinal sectional view) of a torque-increasing motor according to the present invention.
Wherein: 1-a machine shell; 11-a housing cap; 2-a power take-off shaft; 21-upper end; 22-lower end; 3-a transmission gear; 31-gear teeth; 4-a motor; 41-hub teeth; 5-lubricating oil; 6-a circulation path; 61-output shaft channel; 62-lubricating oil pipeline; 63-a lubricant outlet; 64 lubricating oil inlet; 65-channel entrance; 7-a perturbation device; 71-a spiral sheet; 72-helical leaves; 8-a lubricating oil detection ruler; 9-a motor fixing shaft; 10-bearing.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
Example 1
Referring to fig. 1, the present embodiment provides a torque increasing motor, which is a motor that increases torque output by simultaneously acting an even number of small motors on a special gear structure assembly. The machine shell 1 is internally provided with a power output shaft 2, a transmission gear 3 and two pairs of small motors 4. The power output shaft 2 is provided with an upper end 21 and a lower end 22, the upper end 21 is connected with the casing 1 through bearings arranged at the top and the bottom in the casing 1, and the lower end 22 extends out of the casing 1 and is connected with a load. In order to facilitate replacement or maintenance of parts, a detachable casing cap 11 is arranged at the top of the casing 1 corresponding to the upper end 21 of the power output shaft.
The transmission gear 3 is a circular gear with gear teeth 31 on two peripheral surfaces, and the gear teeth 31 on the two peripheral surfaces form an included angle of 45 degrees with the radial line of the transmission gear 3, so that the periphery of the transmission gear is conical. The axle center of the transmission gear 3 is provided with a through hole and is sleeved and fixedly connected on the power output shaft 2.
The two pairs of motors 4 are symmetrically arranged on two sides of the transmission gear 3, wherein each pair of motors 4 is respectively arranged on the upper side and the lower side of the transmission gear 3. The two sides in the machine shell 1 are provided with motor fixing shafts 9 for fixing the motor 4, the motor fixing shafts 9 are parallel to the transmission gears 3, the interior of the motor fixing shafts 9 is hollow, one end of each motor fixing shaft 9 is communicated with the exterior of the machine shell 1, and therefore a power line of the motor 4 is led out of the machine shell 1 from the motor fixing shafts 9. The motor 4 is fixed on the motor fixing shaft 9 through a bearing. The output shaft of each motor 4 is provided with a hub tooth 41, the hub tooth 41 being at an angle of 45 degrees to the axis of the motor 4 and intermeshing with the gear teeth 31 of the transmission gear 3. The rotating direction of each motor 4 is mutually vertical to that of the transmission gear 3, the rotating directions of the motors 4 positioned on the same side of the transmission gear 3 are the same, and the rotating directions of the motors 4 positioned on different sides of the transmission gear 3 are opposite.
In this embodiment, the four motors 4 are all high-speed permanent magnet brushless hub-and-gear motors, and the models, specifications, rotation speeds, and powers of the motors are the same. In order to ensure the normal operation of the motor 4, a lubricating oil circulation system is also arranged in the machine shell 1. The lubricating oil circulation system comprises lubricating oil 5 arranged in the machine shell 1, a circulation passage 6 communicated with the upper end and the lower end of the motor 4 of the transmission gear 3 and a disturbing device 7 arranged in the circulation passage 6, wherein the disturbing device 7 can push the flow of the lubricating oil 5 in the circulation passage 6 so that the lubricating oil 5 can flow to the hub teeth 41 of each motor 4. Specifically, the circulation path 6 includes an output shaft passage 61 and a lubricating oil passage 62, the output shaft passage 61 is disposed in the upper end 21 of the power output shaft 2, the output shaft passage 61 is communicated with the inside of the casing 1 through passage inlets 65 disposed on both sides of the bottom of the upper end 21, lubricating oil outlets 63 are disposed on both sides of the casing cap 11, lubricating oil inlets 64 are disposed on both sides of the top of the casing 1 corresponding to the motor 4, and the lubricating oil passage 62 is communicated with the lubricating oil outlets 63 and the lubricating oil inlets 64. The perturbation device 7 comprises a helical blade 71 arranged in the output shaft channel 61 and a helical blade 72 arranged at the inlet of the channel. In order to monitor the use condition of the lubricating oil 5 in real time, a lubricating oil detection ruler 8 is further arranged on the side wall of the bottom in the machine shell 1. It should be noted that, when the torque-increasing motor only needs to increase the torque output and does not need to operate at high speed, the lubricating oil circulation system is not needed and grease is used instead for simplifying the structure and reducing the manufacturing cost.
Finally, it should be noted that: although the present invention has been described in detail with reference to the embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (7)
1. The torque-increasing motor comprises a machine shell, and is characterized in that:
the power output shaft is provided with an upper end and a lower end, the upper end is connected with the shell through bearings arranged at the top and the bottom in the shell, and the lower end extends out of the shell;
the transmission gear is sleeved and fixedly connected on the power output shaft, and gear teeth are arranged on two side surfaces of the periphery of the transmission gear;
the motor is arranged on the upper side and the lower side of the transmission gear, the output shaft of the motor is provided with hub teeth, the hub teeth are meshed with the gear teeth of the transmission gear, the rotation directions of the motors are all perpendicular to the rotation direction of the transmission gear, the rotation directions of the motors on the same side of the transmission gear are the same, and the rotation directions of the motors on different sides of the transmission gear are opposite; a motor fixing shaft is further arranged in the shell, the motor fixing shaft and the transmission gear are parallel to each other, the motor fixing shaft is hollow inside, one end of the motor fixing shaft is communicated with the outside of the shell, and the motor is fixed on the motor fixing shaft through a bearing;
a lubricating oil circulating system is further arranged in the machine shell and comprises lubricating oil, a circulating passage and a disturbing device, the lubricating oil is arranged at the bottom in the machine shell, the circulating passage is communicated with the motor at the top and the bottom in the machine shell, and the disturbing device is arranged in the circulating passage;
the circulating passage comprises an output shaft channel and a lubricating oil pipeline, the output shaft channel is arranged in the upper end of the power output shaft, the output shaft channel is communicated with the interior of the shell through channel inlets arranged on two sides of the bottom of the upper end, a lubricating oil outlet is arranged on the top of the shell corresponding to the end part of the power output shaft, lubricating oil inlets are arranged on two sides of the top of the shell corresponding to the position of the motor, and the lubricating oil pipeline is communicated with the lubricating oil outlet and the lubricating oil inlet.
2. The torque-increasing motor according to claim 1, wherein:
the gear teeth and the radial line of the transmission gear form an included angle of 45 degrees, and the hub teeth of the motor and the axial line of the motor form an angle of 45 degrees.
3. The torque-increasing motor according to claim 1 or 2, wherein:
the top of the shell is provided with a detachable shell cap corresponding to the end part of the power output shaft.
4. The torque-increasing motor according to claim 1, wherein:
the disturbance device comprises a spiral sheet arranged in the channel of the output shaft and a spiral blade arranged at the inlet of the channel.
5. The torque-adding motor according to claim 4, wherein:
and a lubricating oil detection ruler is further arranged on the side wall of the bottom in the machine shell.
6. The torque-increasing motor according to claim 1 or 5, wherein:
the motors are symmetrically arranged on two sides of the transmission gear.
7. The torque-increasing motor according to claim 1 or 5, wherein:
the motor is a permanent magnet brushless hub gear motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811276101.6A CN109194025B (en) | 2018-10-30 | 2018-10-30 | Torque-increasing motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811276101.6A CN109194025B (en) | 2018-10-30 | 2018-10-30 | Torque-increasing motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109194025A CN109194025A (en) | 2019-01-11 |
| CN109194025B true CN109194025B (en) | 2020-11-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811276101.6A Active CN109194025B (en) | 2018-10-30 | 2018-10-30 | Torque-increasing motor |
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| Country | Link |
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| CN (1) | CN109194025B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1566698A (en) * | 2003-06-17 | 2005-01-19 | 乐金电子(天津)电器有限公司 | Oil supply structure for hermetic vortex type compressor |
| CN201813255U (en) * | 2010-03-01 | 2011-04-27 | 邹明翰 | Multi-rotor electric automobile driving motor |
| CN206111875U (en) * | 2016-08-31 | 2017-04-19 | 合肥华升泵阀股份有限公司 | From inhaling formula bearing lubricating arrangement |
| CN108019610A (en) * | 2017-12-14 | 2018-05-11 | 哈尔滨理工大学 | Suction pump motor bearing lubrication system |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM443801U (en) * | 2012-08-22 | 2012-12-21 | Jim Power Machinery Industry Co Ltd | Lubrication device for decelerator |
| CN204222644U (en) * | 2014-11-10 | 2015-03-25 | 吴志雄 | A kind of hybrid driver and be provided with the battery-driven car of this actuator |
| CN104753248A (en) * | 2015-03-16 | 2015-07-01 | 郑州宇通客车股份有限公司 | Electric motor mechanism |
-
2018
- 2018-10-30 CN CN201811276101.6A patent/CN109194025B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1566698A (en) * | 2003-06-17 | 2005-01-19 | 乐金电子(天津)电器有限公司 | Oil supply structure for hermetic vortex type compressor |
| CN201813255U (en) * | 2010-03-01 | 2011-04-27 | 邹明翰 | Multi-rotor electric automobile driving motor |
| CN206111875U (en) * | 2016-08-31 | 2017-04-19 | 合肥华升泵阀股份有限公司 | From inhaling formula bearing lubricating arrangement |
| CN108019610A (en) * | 2017-12-14 | 2018-05-11 | 哈尔滨理工大学 | Suction pump motor bearing lubrication system |
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| Publication number | Publication date |
|---|---|
| CN109194025A (en) | 2019-01-11 |
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