CN111431376A - Magnetic speed reducer - Google Patents
Magnetic speed reducer Download PDFInfo
- Publication number
- CN111431376A CN111431376A CN202010387930.2A CN202010387930A CN111431376A CN 111431376 A CN111431376 A CN 111431376A CN 202010387930 A CN202010387930 A CN 202010387930A CN 111431376 A CN111431376 A CN 111431376A
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- wheel
- small
- grooves
- rotating shaft
- small wheel
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- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 30
- 230000001681 protective effect Effects 0.000 claims description 29
- 244000309464 bull Species 0.000 claims description 28
- 239000007787 solid Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 5
- 238000010030 laminating Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 6
- 238000005299 abrasion Methods 0.000 abstract description 4
- 238000005461 lubrication Methods 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003292 glue Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K51/00—Dynamo-electric gears, i.e. dynamo-electric means for transmitting mechanical power from a driving shaft to a driven shaft and comprising structurally interrelated motor and generator parts
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Friction Gearing (AREA)
Abstract
The invention discloses a magnetic speed reducer, which comprises a fixing device, a large wheel and a small wheel, wherein one end of the large wheel is fixedly connected with a fixing plate, the fixing plate is fixedly connected with a first rotating shaft, a plurality of grooves are uniformly arranged on the inner wall of the large wheel along the circumferential direction, the number of the grooves arranged on the large wheel is even, and the extending direction of the grooves on the large wheel is the same as the axial direction of the large wheel; the small wheel is arranged in the large wheel, the large wheel and the small wheel are arranged in the same axial direction, a second rotating shaft is arranged at the center of the small wheel, the second rotating shaft is rotatably connected to the fixing device through a bearing seat, a plurality of grooves are uniformly formed in the outer wall of the small wheel along the circumferential direction, the number of the grooves formed in the small wheel is even, the extending direction of the grooves in the small wheel is the same as the axial direction of the small wheel, magnets are arranged in the grooves in the large wheel and the grooves in the small wheel, and the magnets are arranged in an N, S-pole alternating mode; the invention is used for solving the problems of large part abrasion, large energy loss, low energy transmission efficiency and difficult lubrication and maintenance in the working process of the speed reducer in the prior art.
Description
Technical Field
The invention relates to the technical field of transmission, in particular to a magnetic speed reducer.
Background
The speed reducer is an independent closed transmission device arranged between a prime motor and a working machine, is used for reducing the rotating speed and increasing the torque so as to meet the working requirement, and can also be used for increasing the speed on certain occasions, namely the speed reducer. The existing speed reducer comprises a helical gear speed reducer, a planetary gear speed reducer, a cycloidal pin gear speed reducer, a worm and gear speed reducer, a planetary friction type mechanical stepless speed changer and the like, and has the common characteristics that torque is transmitted in a gear and gear meshing mode or a friction mode, gears are abraded in the gear transmission process, the gears need to be lubricated by engine oil, the friction type transmission energy loss is large, and the energy transmission efficiency is not high.
Disclosure of Invention
The invention aims to provide a magnetic speed reducer, which is used for solving the problems of large part abrasion, large energy loss, low energy transfer efficiency and difficult lubrication and maintenance in the working process of the speed reducer in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme: a magnetic speed reducer comprises a fixing device, a large wheel and at least one small wheel, wherein the large wheel is of a hollow cylindrical structure, openings are formed in two ends of the large wheel, a fixing plate is fixedly connected to the opening at one end of the large wheel, a first rotating shaft is fixedly connected to the fixing plate and is perpendicular to the fixing plate, the first rotating shaft penetrates through the fixing plate and is located in the center of the large wheel, two ends of the first rotating shaft are rotatably connected to the fixing device through bearings respectively, and the first rotating shaft penetrates through the fixing device and extends outwards; a plurality of grooves are uniformly arranged on the inner wall of the big wheel along the circumferential direction, the number of the grooves arranged on the big wheel is even, and the extending direction of the grooves on the big wheel is the same as the axial direction of the big wheel; the small wheel is arranged inside the large wheel, the large wheel and the small wheel are arranged in the same axial direction, the shortest distance between the small wheel and the large wheel is the same, the center of one side, away from the fixed plate, of the small wheel is vertically and fixedly connected with a second rotating shaft, the second rotating shaft is rotatably connected to the fixing device through a bearing seat, and the second rotating shaft penetrates through the fixing device and extends outwards; a plurality of grooves are uniformly formed in the outer wall of the small wheel along the circumferential direction, the number of the grooves formed in the small wheel is even, the extending direction of the grooves in the small wheel is the same as the axial direction of the small wheel, magnets are arranged in the grooves in the large wheel and the small wheel, and the magnets are arranged in an N, S-pole alternating mode; when the magnets on the large wheel are opposite to the magnets on the small wheel, the opposite areas of the two magnets are the same; when the big wheel and the small wheel rotate simultaneously, the magnets on the big wheel and the magnets on the small wheel correspond one by one in sequence.
Optionally, the fixing plate is of a circular structure, the diameter of the fixing plate is equal to that of the bull wheel, a plurality of through holes are uniformly formed in the fixing plate, and the central portion of the fixing plate is concave to the inside of the bull wheel.
Optionally, a fixing sleeve is sleeved on the first rotating shaft, the fixing sleeve is fixedly connected to the inner side of the fixing plate, and the fixing sleeve is fixedly connected with the first rotating shaft.
Optionally, the top symmetry of recess is provided with two limiting plates, and two limiting plate intervals set up and the limiting plate set up the direction the same with the extending direction of recess, and the both ends of the recess on the bull wheel all are equipped with the inserted hole.
Optionally, install the protective sheath in the recess, the protective sheath structure is the same with groove structure, and magnet is installed in the protective sheath, and when magnet inserts in the protective sheath, when the protective sheath inserts the recess, magnet and protective sheath laminating, protective sheath and recess laminating.
Optionally, the first fixing ring is fixedly connected to one end of the large wheel opening, and the second fixing ring is fixedly connected to both ends of the small wheel.
Optionally, one side of the fixed plate close to the bull wheel, one side of the first fixing ring close to the bull wheel and one side of the second fixing ring close to the bull wheel are all provided with a sealing ring.
The magnetic speed reducer has the following advantages:
(1) the small wheel and the large wheel transmit torque through magnetic force, and the small wheel and the large wheel are not in contact with each other, so that energy loss is reduced, and transmission efficiency is improved.
(2) The small wheel and the large wheel are not in contact, so that the abrasion of parts is reduced, and the service life of the speed reducer is prolonged.
(3) The fixed sleeve can make first pivot more stable to guarantee that the bull wheel operates steadily, the bearing frame can play the effect of support to the second pivot, thereby makes the steamboat operate steadily.
(4) Limiting plate and protective sheath can play the guard action to magnet, prevent the speed reducer use in, the magnet is broken.
(5) First solid fixed ring and the solid fixed ring of second can fix magnet and protective sheath in the recess, prevent the speed reducer operation in-process, and protective sheath or magnet deviate from in the recess.
(6) The plurality of small wheels can increase the torque transmitted by the equipment and prevent the slipping phenomenon between the large wheels and the small wheels.
Drawings
Fig. 1 is a schematic sectional view of a large wheel without a magnet inserted.
Fig. 2 is a schematic sectional view of the large wheel with the magnet inserted therein.
Fig. 3 is a view from a-a in fig. 2.
Fig. 4 is a schematic diagram of the matching structure of the groove, the protective sleeve and the magnet.
Fig. 5 is a schematic structural view of the first fixing ring.
Fig. 6 is a schematic structural view of the second fixing ring.
Fig. 7 is a schematic structural diagram of the second embodiment.
Detailed Description
The present invention will be further explained with reference to the drawings, wherein the direction of the fixing plate in fig. 3 is the left side in the following description.
The first embodiment is as follows:
as shown in fig. 1-6, a magnetic speed reducer comprises a fixing device, a bull wheel 2 and a small wheel 3, the fixing device is provided as a fixed casing 1, the bull wheel 2 is a hollow cylindrical structure, openings are provided at the left and right ends of the bull wheel 2, a fixed plate 4 is fixedly connected to the left side of the bull wheel 2, the fixed plate 4 is a circular structure, the diameter of the fixed plate 4 is equal to the diameter of the bull wheel 2, the fixed plate 4 and the bull wheel 2 are coaxially arranged, a plurality of through holes 5 are uniformly arranged on the fixed plate 4, the through holes 5 are beneficial for heat dissipation of the magnetic speed reducer, a first rotating shaft 6 is vertically arranged at the center of the fixed plate 4, two ends of the first rotating shaft 6 are respectively rotatably connected to the fixed casing 1 through bearings 14, the first rotating shaft 6 extends outwards through the fixed casing 1, the central part of the fixed plate 4 is concave to the right side, the structure is beneficial for, the cover is equipped with fixed sleeve 7 on first pivot 6, and fixed sleeve 7 fixed connection is on the right side of fixed plate 4, and fixed sleeve 7 and 6 fixed connection of first pivot, and fixed sleeve 7 can make first pivot 6 fix on fixed plate 4 more steadily to guarantee that bull wheel 2 operates steadily.
The inner wall of the big wheel 2 is uniformly provided with 18 grooves 8 along the circumferential direction, and the grooves 8 on the big wheel 2 extend along the left-right direction; the small wheel 3 is arranged inside the large wheel 2, the large wheel 2 and the small wheel 3 are arranged in the same axial direction, torque is transmitted between the small wheel 3 and the large wheel 2 through magnetic force, the small wheel 3 and the large wheel 2 are not in contact with each other, lubricating is not needed, abrasion of parts is reduced, energy loss is reduced, transmission efficiency is improved, a second rotating shaft 9 is vertically and fixedly connected to the center of the left side of the small wheel 3, the second rotating shaft 9 is rotatably connected to the fixed shell 1 through a bearing seat 10, the bearing seat 10 can support the second rotating shaft 9, and therefore the small wheel 3 can stably run, and the second rotating shaft 9 penetrates through the fixed shell 1 and extends outwards; 4 grooves 8 are uniformly formed in the outer wall of the small wheel 3 along the circumferential direction, and the grooves 8 in the small wheel 3 extend in the left-right direction; two limiting plates 16 are symmetrically arranged at the top of the groove 8 along the left-right direction, the two limiting plates 16 are arranged at intervals, insertion holes are formed in the left end and the right end of the groove 8 on the large wheel 2, and insertion holes are formed in the left end and the right end of the groove 8 on the small wheel 3; the magnet 12 is arranged in the protective sleeve 11 and is firmly bonded by using glue, and the limiting plate 16 and the protective sleeve 11 can protect the magnet 12 to prevent the magnet 12 from being broken in the use process of the speed reducer; the structure of the protective sleeve 11 is the same as that of the groove 8, the protective sleeve 11 with the magnet 12 can be inserted into the groove 8 from an insertion hole, at the moment, the outer wall of the magnet 12 is attached to the inner wall of the protective sleeve 11, and the outer wall of the protective sleeve 11 is attached to the inner wall of the groove 8; the right end of the bull wheel 2, the right end of the protective sleeve 11 and the right end of the magnet 12 are located in the same plane, the right end face of the bull wheel 2 is fixedly connected with a first fixing ring 13, a sealing ring 17 is arranged between the first fixing ring 13 and the right end face of the bull wheel 2, the left end of the bull wheel 2 and the left end of the protective sleeve 11 are located in the same plane, the protective sleeve 11 is blocked by a fixing plate 4, the sealing ring 17 is arranged between the left end face of the bull wheel 2 and the fixing plate 4, the magnet 12 and the protective sleeve 11 can be fixed in a groove 8 of the bull wheel 2 by the first fixing ring 13, and the protective sleeve 11 or the magnet 12 is prevented from being separated from the groove 8 of the bull; the left end face and the right end face of the small wheel 3 are fixedly connected with second fixing rings 15, a sealing ring 17 is arranged between the second fixing rings 15 and the small wheel 3, the second fixing rings 15 can fix the magnet 12 and the protecting sleeve 11 in the groove 8 of the small wheel 3, and the protecting sleeve 11 or the magnet 12 is prevented from being separated from the groove 8 of the small wheel 3 in the running process of the speed reducer; the magnets 12 on the large wheel 2 and the magnets 12 on the small wheel 3 are arranged in an N, S-pole alternating manner.
The working process of the invention is as follows: when the second rotating shaft 9 rotates as an input shaft, the small wheel 3 also rotates along with the input shaft, according to the principle that like poles of the magnets 12 repel and unlike poles attract, the small wheel 3 also drives the large wheel 2 to rotate, the rotating directions of the small wheel 3 and the large wheel 2 are the same, the large wheel 2 drives the fixing plate 4 and the first rotating shaft 6 to rotate while rotating, and the first rotating shaft 6 is an output shaft; when the large wheel 2 and the small wheel 3 rotate simultaneously, the magnets 12 on the large wheel 2 and the magnets 12 on the small wheel 3 correspond one by one in sequence, as shown in figure 2, the distance between two adjacent magnets 12 on the small wheel 3 is the same as the distance between two adjacent magnets 12 on the large wheel 2, and when the magnets 12 on the large wheel 2 are opposite to the magnets 12 on the small wheel 3 in front, the opposite areas of the two magnets 12 are also completely the same; the magnets 12 on the small wheel 3 are sequentially marked as a first magnet 12, a second magnet 12, a third magnet 12 and a fourth magnet 12 from the bottom in a clockwise direction, the magnets 12 on the large wheel 2 are sequentially marked as a first magnet 12, a second magnet 12, a third magnet 12 and a fourth magnet 12 from the bottom in a clockwise direction, the first magnet 12 on the small wheel 3 corresponds to the first magnet 12 on the large wheel 2, the second magnet 12 on the small wheel 3 corresponds to the second magnet 12 on the large wheel 2, the third magnet 12 on the small wheel 3 corresponds to the third magnet 12 on the large wheel 2, the fourth magnet 12 on the small wheel 3 corresponds to the fourth magnet 12 on the large wheel 2, the first magnet 12 on the small wheel 3 corresponds to the fifth magnet 12 on the large wheel 2, … …, and therefore, the large wheel 2 rotates for one turn for more than the small wheel 3, therefore, the speed reduction effect is achieved, and the ratio of the number of the magnets 12 to the number of the magnets is the transmission ratio.
Example two:
as shown in fig. 7, the embodiment has the same general structure as the first embodiment, and is different from the first embodiment in that the embodiment includes two small wheels 3, the shortest distance between the two small wheels 3 and the large wheel 2 is the same, the second rotating shafts 9 on the two small wheels 3 are input shafts with the same input rotating speed, the two small wheels 3 can enhance the driving force to the large wheel 2, and the small wheels 3 and the large wheel 2 are prevented from slipping during torque transmission, so that the first rotating shaft 6 can bear a larger load.
The above-described embodiments are only some embodiments of the present invention, but not all embodiments, wherein the input shaft may also be the first rotating shaft 6, and in this case, the second rotating shaft 9 is the output shaft, and the whole apparatus can play a role of increasing speed; more small wheels 3 may be provided, and a larger torque can be transmitted as long as the small wheels 3 do not interfere with each other. All other embodiments that can be obtained by a person skilled in the art based on the embodiments of the present invention without any creative effort belong to the protection scope of the present invention.
Claims (7)
1. A magnetic speed reducer is characterized in that: the large wheel is of a hollow cylindrical structure, openings are formed in two ends of the large wheel, a fixing plate is fixedly connected to the opening at one end of the large wheel, a first rotating shaft is fixedly connected to the fixing plate and is perpendicular to the fixing plate, the first rotating shaft penetrates through the fixing plate and is located in the center of the large wheel, two ends of the first rotating shaft are rotatably connected to the fixing device through bearings respectively, and the first rotating shaft penetrates through the fixing device and extends outwards; a plurality of grooves are uniformly arranged on the inner wall of the big wheel along the circumferential direction, the number of the grooves arranged on the big wheel is even, and the extending direction of the grooves on the big wheel is the same as the axial direction of the big wheel; the small wheel is arranged inside the large wheel, the large wheel and the small wheel are arranged in the same axial direction, the shortest distance between the small wheel and the large wheel is the same, the center of one side, away from the fixed plate, of the small wheel is vertically and fixedly connected with a second rotating shaft, the second rotating shaft is rotatably connected to the fixing device through a bearing seat, and the second rotating shaft penetrates through the fixing device and extends outwards; a plurality of grooves are uniformly formed in the outer wall of the small wheel along the circumferential direction, the number of the grooves formed in the small wheel is even, the extending direction of the grooves in the small wheel is the same as the axial direction of the small wheel, magnets are arranged in the grooves in the large wheel and the small wheel, and the magnets are arranged in an N, S-pole alternating mode; when the magnets on the large wheel are opposite to the magnets on the small wheel, the opposite areas of the two magnets are the same; when the big wheel and the small wheel rotate simultaneously, the magnets on the big wheel and the magnets on the small wheel correspond one by one in sequence.
2. A magnetic speed reducer according to claim 1, wherein: the fixed plate is of a circular structure, the diameter of the fixed plate is equal to that of the bull wheel, a plurality of through holes are uniformly formed in the fixed plate, and the central portion of the fixed plate is concave to the inside of the bull wheel.
3. A magnetic speed reducer according to claim 1, wherein: the first rotating shaft is sleeved with a fixing sleeve, the fixing sleeve is fixedly connected to the inner side of the fixing plate, and the fixing sleeve is fixedly connected with the first rotating shaft.
4. A magnetic speed reducer according to claim 1, wherein: the top symmetry of recess is provided with two limiting plates, and two limiting plate intervals set up and the limiting plate set up the direction the same with the extending direction of recess, and the both ends of the recess on the bull wheel all are equipped with the inserted hole.
5. The magnetic reducer of claim 4, wherein: install the protective sheath in the recess, the protective sheath structure is the same with groove structure, and magnet is installed in the protective sheath, and when magnet inserts in the protective sheath, when the protective sheath inserts the recess, magnet and protective sheath laminating, protective sheath and recess laminating.
6. A magnetic speed reducer according to claim 4 or 5, wherein: the bull wheel open-ended one end fixedly connected with first solid fixed ring, the equal fixedly connected with second solid fixed ring in both ends of steamboat.
7. A magnetic speed reducer according to claim 6, wherein: one side that the fixed plate is close to the bull wheel one side that first solid fixed ring is close to the bull wheel with one side that the solid fixed ring of second is close to the bull wheel all is provided with the sealing washer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010387930.2A CN111431376A (en) | 2020-05-09 | 2020-05-09 | Magnetic speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010387930.2A CN111431376A (en) | 2020-05-09 | 2020-05-09 | Magnetic speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111431376A true CN111431376A (en) | 2020-07-17 |
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ID=71552459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010387930.2A Pending CN111431376A (en) | 2020-05-09 | 2020-05-09 | Magnetic speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111431376A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204810123U (en) * | 2015-08-14 | 2015-11-25 | 广东工业大学 | Fast derailleur for electric automobile is delayed in area |
| WO2016150149A1 (en) * | 2015-03-26 | 2016-09-29 | 李照廷 | Improved wobble plate decelerator |
| CN208281435U (en) * | 2018-06-04 | 2018-12-25 | 杭州庆敏传动设备有限公司 | A kind of Eccentrically rocking type reduction gear |
| CN210405063U (en) * | 2019-11-11 | 2020-04-24 | 左彦峰 | Novel contactless transmission device |
| CN211791217U (en) * | 2020-05-09 | 2020-10-27 | 左彦峰 | Magnetic speed reducer |
-
2020
- 2020-05-09 CN CN202010387930.2A patent/CN111431376A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016150149A1 (en) * | 2015-03-26 | 2016-09-29 | 李照廷 | Improved wobble plate decelerator |
| CN204810123U (en) * | 2015-08-14 | 2015-11-25 | 广东工业大学 | Fast derailleur for electric automobile is delayed in area |
| CN208281435U (en) * | 2018-06-04 | 2018-12-25 | 杭州庆敏传动设备有限公司 | A kind of Eccentrically rocking type reduction gear |
| CN210405063U (en) * | 2019-11-11 | 2020-04-24 | 左彦峰 | Novel contactless transmission device |
| CN211791217U (en) * | 2020-05-09 | 2020-10-27 | 左彦峰 | Magnetic speed reducer |
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