阅读说明：本技术 一种磁减速机 (Magnetic speed reducer ) 是由 左彦峰 于 2020-05-09 设计创作，主要内容包括：本发明公开了一种磁减速机,包括固定装置、大轮和小轮,大轮的一端固定连接有固定板,固定板上固定连接有第一转轴,大轮内壁上沿周向均匀设置有若干凹槽,大轮上设置的凹槽个数为偶数,大轮上凹槽的延伸方向与大轮的轴向相同；小轮设置在大轮内部,大轮与小轮同轴向设置,小轮中心设置有第二转轴,第二转轴通过轴承座转动连接在固定装置上,小轮的外壁上沿周向均匀设置有若干凹槽,小轮上设置的凹槽个数为偶数个,小轮上凹槽的延伸方向与小轮的轴向相同,大轮上的凹槽与小轮上的凹槽内均安装有磁铁,磁铁按照N、S极交替的方式布置；本发明新用于解决现有技术中减速机工作过程中零件磨损大、能量损耗大、能量传递效率不高、润滑保养困难的问题。(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.)

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.

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.