CN212875641U - Novel transmission driving system - Google Patents
Novel transmission driving system Download PDFInfo
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- CN212875641U CN212875641U CN202021619426.2U CN202021619426U CN212875641U CN 212875641 U CN212875641 U CN 212875641U CN 202021619426 U CN202021619426 U CN 202021619426U CN 212875641 U CN212875641 U CN 212875641U
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Abstract
A novel transmission driving system belongs to the technical field of low-speed large-torque transmission and driving. The magnetic gear comprises a driving motor and a magnetic gear and is characterized in that the magnetic gear comprises a high-speed tooth rotor, a modulation tooth rotor and a low-speed tooth rotor which are sequentially arranged from inside to outside, the high-speed tooth rotor and the low-speed tooth rotor are made of magnetic materials or electrically excited magnets, the modulation tooth rotor is made of magnetic ferromagnetic materials, the rotors are separated by air gaps, the high-speed tooth rotor of the magnetic gear is fixedly arranged on a transmission shaft of the driving motor and is in coaxial rotation fit with the high-speed tooth rotor, and the low-speed tooth rotor drives a load to rotate. Above-mentioned novel transmission actuating system carries out the transmission that does not relate to any mechanical gear through magnetic field, can solve traditional transmission system mechanical fatigue, friction loss, vibration noise scheduling problem, has promoted the output performance of system, has improved entire system's effective life.
Description
Technical Field
The utility model belongs to the technical field of low-speed big torque transmission and drive, specifically be a novel transmission actuating system.
Background
With the development of intellectualization and integration of industrial transmission equipment, research on integration and high performance of a driving system gradually becomes an industrial hotspot. Most industrial transmission equipment adopts motor-integrated gear transmission, but the basic form of the transmission is not changed for a long time, namely, the transmission is always carried out by means of meshing of two or more wheels. This presents several irreparable problems to the gear drive, such as mechanical fatigue, frictional wear, vibration noise, volume limitations, etc. People try to find a new way to solve the problems, adopt advanced lubrication technology, novel high-strength materials, increase sound insulation measures and the like, but the problems of high system maintenance cost, temperature limitation, high protection level and the like are caused. In addition, a novel speed reducing mechanism with a motor integrated with a magnetic gear is adopted, and the problems of single spectrum development spectrum, large system volume, poor cooling environment of a driving motor and the like exist in the product. Moreover, the failure rate of the novel integrated structure is high, and the problem that single part is damaged and cannot be replaced independently exists in high integration. Therefore, the engineering significance of short-time production cannot be realized.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned problem that exists among the prior art, the utility model aims to design provides an improve transmission stability and can provide the high power density's of long term work system novel transmission driving system's technical scheme, driving motor's transmission shaft drives the coaxial rotation of high-speed tooth rotor, through the modulation effect, low-speed tooth rotor rotates according to making certain reduction ratio, and low-speed tooth rotor drives certain load and carries out rotary motion, mainly in each field such as all kinds of transmission of industry, logistics storage AGV, robot.
The novel transmission driving system comprises a driving motor and a magnetic gear, and is characterized in that the magnetic gear comprises a high-speed tooth rotor, a modulation tooth rotor and a low-speed tooth rotor which are sequentially arranged from inside to outside, the high-speed tooth rotor and the low-speed tooth rotor are made of magnetic materials or electrically excited magnets, the modulation tooth rotor is made of magnetic ferromagnetic materials, the rotors are separated by air gaps, the high-speed tooth rotor of the magnetic gear is fixedly arranged on a transmission shaft of the driving motor and is in coaxial rotation fit with the high-speed tooth rotor, and the low-speed tooth rotor drives a load to rotate.
The novel transmission driving system is characterized in that the high-speed tooth rotor, the modulation tooth rotor and the low-speed tooth rotor are separated by a uniform air gap, and the space air gap is 0.8-1.5 mm, preferably 1-1.2 mm.
The novel transmission driving system is characterized in that the number of the magnetic pole pairs of the high-speed tooth rotor, the modulation tooth rotor and the low-speed tooth rotor is different, the number of the modulation tooth rotor is = the number of the high-speed tooth rotor plus the number of the low-speed tooth rotor, and the number of the stages corresponds to the rotating speed. The rotation speed corresponding to the high pole number is low, and the rotation speed corresponding to the low pole number is high. Therefore, the low-speed rotor drives power transmission equipment such as a belt and a chain to meet the requirements of most industrial transmission equipment.
The novel transmission driving system is characterized in that a transmission belt is arranged on the low-speed tooth rotor in a matching mode.
The novel transmission driving system is characterized in that the low-speed tooth rotor is in running fit with a shell of the driving motor through a bearing.
The novel transmission driving system is characterized by further comprising a driver, and the driver is in control fit with the driving motor.
According to the novel transmission driving system, transmission without any mechanical gear is carried out through a magnetic field, the problems of mechanical fatigue, friction loss, vibration noise and the like of the traditional transmission system can be solved, and the system can be used for module decomposition, so that on one hand, the output performance of the system can be improved by conveniently replacing the proportion of the magnetic gear and the power level of the driving motor; on the other hand, the driving motor unit can be independently cooled and thermally managed to reduce the risk of motor failure, so that the volume of the system can be reduced, and the service life of the whole system can be prolonged. Finally, the driving unit adopting the structure of the system is more compact and has higher energy efficiency; the electromagnetic inherent overload protection of the motor eliminates the need for a mechanical slip clutch in the system, further reducing system complexity and increasing reliability.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic cross-sectional view B-B of the magnetic gear of FIG. 1;
FIG. 3 is a schematic sectional view taken along line A-A of the first driving motor shown in FIG. 1;
FIG. 4 is a schematic sectional view taken along line A-A of the second driving motor shown in FIG. 1;
FIG. 5 is a schematic sectional view taken along line A-A of the third driving motor shown in FIG. 1;
in the figure: 1-driving motor, 101-transmission shaft, 102-stator iron core, 103-rotor iron core, 104-stator winding, 105-rotor magnetic steel, 2-magnetic gear, 201-high-speed tooth rotor, 202-modulation tooth rotor, 203-low-speed tooth rotor, 3-transmission belt and 4-bearing.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in the figure, this novel transmission driving system, including driving motor 1, magnetism gear 2 includes high-speed tooth rotor 201, modulation tooth rotor 202 and low-speed tooth rotor 203 that set gradually from inside to outside, high-speed tooth rotor 201 and low-speed tooth rotor 203 comprise magnetic material or electric excitation magnet, modulation tooth rotor 202 comprises the ferromagnetic material of magnetic conduction, separate by the air gap between each rotor, magnetism gear 2's high-speed tooth rotor 201 fixed mounting rather than coaxial normal running fit on driving motor 1's transmission shaft 101, low-speed tooth rotor 203 drives load rotary motion. The driving motor 1 can run by power supply, the high-speed tooth rotor 201 is driven to coaxially rotate through the transmission shaft 101, the high-speed tooth rotor 201 rotates to generate a high-speed magnetic field, the magnetic field is modulated by the modulation tooth rotor 202 to generate a modulation magnetic field, and air gaps are formed among the high-speed tooth rotor 201, the modulation tooth rotor 202 and the low-speed tooth rotor 203.
Preferably, the high-speed toothed rotor 201, the modulation toothed rotor 202 and the low-speed toothed rotor 203 are separated by a uniform air gap, and the air gap is 0.8mm to 1.5mm, preferably 1mm to 1.2 mm.
The number of the magnetic pole pairs of the high-speed tooth rotor 201, the modulation tooth rotor 202 and the low-speed tooth rotor 203 is different, the number of the modulation tooth rotor 202 is = the number of the high-speed tooth rotor 201 plus the number of the low-speed tooth rotor 203, and the number of the stages corresponds to the rotating speed.
Preferably, the low-speed toothed rotor 203 is provided with a transmission belt 3 in a matching manner.
Preferably, the low-speed toothed rotor 203 is rotationally coupled to the housing of the drive motor 1 via a bearing 4.
Preferably, the device also comprises a driver which is in control fit with the driving motor 1.
The type of the drive motor 1 is not limited to the outer rotor motor or the inner rotor motor, and the type of the rotor magnetic steel may be various. Fig. 3 belongs to an outer rotor motor, which is provided with a stator core 102, a rotor core 103, a stator winding 104, rotor magnetic steel 104 and other components, wherein the stator core 102 rotates to drive a transmission shaft 101 of the driving motor 1 to rotate, so as to drive a high-speed tooth rotor 201 to rotate. Fig. 4 and 5 both belong to motors of inner rotors, and the stator core 102, the rotor core 103, the stator winding 104, the rotor magnetic steel 104 and other components are arranged on the motors, except that the rotors are embedded magnetic steels and surface-mounted magnetic steels, and the rotor core 103 drives the transmission shaft 101 of the driving motor 1 to rotate so as to drive the high-speed tooth rotor 201 to rotate. In addition, the water-cooled or oil-cooled driving motor 1 can be adopted to improve the power density of the motor and further reduce the volume of the system.
The utility model discloses the commonality of structure is stronger, and driving motor 1 and the topology of magnetism gear 2 detached structure for motor and magnetism gear provide the convenience. The transmission ratio of the magnetic gear 2 can be selected according to the requirements of equipment, and meanwhile, the magnetic gear 2 has high energy transmission efficiency and does not have mechanical maintenance and faults.
The beneficial effects of the utility model are further proved through corresponding experimental data below, see table 1.
TABLE 1 traditional Transmission System and the present applicationNovel transmission system performance comparison table
| 350N m transmission system | Volume (m)3） | Weight (Kg) |
| Traditional motor and reduction gearbox transmission system | 0.03 | 20 |
| The utility model discloses transmission system | 0.01 | 7 |
Table 1 shows that: under the unanimous condition of output performance, adopt the utility model discloses a scheme volume and weight all have very big improvement.
The above technical solutions describe the present invention in detail, but do not limit the scope of the present invention. It should be understood that any obvious alterations or substitutions to the present invention by those skilled in the art based on the teachings of the present invention should also be considered as the scope of the present invention.
Claims (6)
1. The utility model provides a novel transmission driving system, including driving motor (1), magnetism gear (2), its characterized in that magnetism gear (2) are including high-speed tooth rotor (201) that set gradually from inside to outside, modulation tooth rotor (202) and low-speed tooth rotor (203), high-speed tooth rotor (201) and low-speed tooth rotor (203) comprise magnetic material or electric excitation magnet, modulation tooth rotor (202) comprise the ferromagnetic material of magnetic conduction, separate by air gap between each rotor, high-speed tooth rotor (201) fixed mounting of magnetism gear (2) is rather than coaxial normal running fit on transmission shaft (101) of driving motor (1), low-speed tooth rotor (203) drive load rotary motion.
2. A novel transmission drive system as claimed in claim 1, characterised in that the high speed toothed rotor (201), the modulation toothed rotor (202) and the low speed toothed rotor (203) are separated by a uniform air gap of 0.8mm to 1.5 mm.
3. A novel geared drive system as claimed in claim 1, wherein the high speed toothed rotor (201), the modulated toothed rotor (202) and the low speed toothed rotor (203) have different numbers of pole pairs, the number of modulated toothed rotors (202) being = the number of high speed toothed rotors (201) plus the number of low speed toothed rotors (203), the number corresponding to the speed of rotation.
4. A novel transmission drive system as claimed in claim 1, characterized in that the low-speed toothed rotor (203) is provided with a belt (3) in a cooperating manner.
5. A novel transmission drive system as claimed in claim 1, characterized in that the low-speed toothed rotor (203) is rotatably fitted to the housing of the drive motor (1) via bearings (4).
6. A novel transmission drive system as claimed in claim 1, further comprising a drive in controlled cooperation with the drive motor (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021619426.2U CN212875641U (en) | 2020-08-06 | 2020-08-06 | Novel transmission driving system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021619426.2U CN212875641U (en) | 2020-08-06 | 2020-08-06 | Novel transmission driving system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212875641U true CN212875641U (en) | 2021-04-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021619426.2U Active CN212875641U (en) | 2020-08-06 | 2020-08-06 | Novel transmission driving system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212875641U (en) |
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2020
- 2020-08-06 CN CN202021619426.2U patent/CN212875641U/en active Active
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