CN113098230A - Disc type magnetic gathering cylinder type eddy current transmission device - Google Patents
Disc type magnetic gathering cylinder type eddy current transmission device Download PDFInfo
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- CN113098230A CN113098230A CN202110364204.3A CN202110364204A CN113098230A CN 113098230 A CN113098230 A CN 113098230A CN 202110364204 A CN202110364204 A CN 202110364204A CN 113098230 A CN113098230 A CN 113098230A
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 126
- 230000007246 mechanism Effects 0.000 claims abstract description 97
- 238000004026 adhesive bonding Methods 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 230000004907 flux Effects 0.000 claims description 6
- 230000005389 magnetism Effects 0.000 claims description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 239000002991 molded plastic Substances 0.000 claims 1
- 230000005426 magnetic field effect Effects 0.000 abstract description 5
- 239000000872 buffer Substances 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 16
- 230000006872 improvement Effects 0.000 description 10
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K49/00—Dynamo-electric clutches; Dynamo-electric brakes
- H02K49/02—Dynamo-electric clutches; Dynamo-electric brakes of the asynchronous induction type
- H02K49/04—Dynamo-electric clutches; Dynamo-electric brakes of the asynchronous induction type of the eddy-current hysteresis type
- H02K49/046—Dynamo-electric clutches; Dynamo-electric brakes of the asynchronous induction type of the eddy-current hysteresis type with an axial airgap
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K49/00—Dynamo-electric clutches; Dynamo-electric brakes
- H02K49/10—Dynamo-electric clutches; Dynamo-electric brakes of the permanent-magnet type
- H02K49/104—Magnetic couplings consisting of only two coaxial rotary elements, i.e. the driving element and the driven element
- H02K49/108—Magnetic couplings consisting of only two coaxial rotary elements, i.e. the driving element and the driven element with an axial air gap
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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)
- Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
Abstract
The invention discloses a disc type magnetism-gathering cylinder type eddy current transmission device which comprises an inner transmission mechanism, an outer transmission mechanism and an intermediate mechanism. The inner transmission mechanism comprises an inner ring and a vortex ring I, the outer transmission mechanism comprises an outer ring and a vortex ring II, and the middle mechanism comprises a mounting frame, two fixing rings, a plurality of magnets I and a plurality of magnets II. The inner ring and the vortex ring are coaxially arranged and fixedly connected, and the inner ring is positioned on the inner side of the first vortex ring. The outer ring and the vortex ring II are coaxially arranged and fixedly connected, and the outer ring is positioned on the outer side of the vortex ring II. The vortex ring I and the vortex ring II are coaxially arranged and separated by an annular space. The mounting frame is located in the annular space and is separated from the first vortex ring and the second vortex ring. The first magnets and the second magnets are installed on the mounting frame and are magnetized along the radial direction of the outer ring. The inner transmission mechanism and the outer transmission mechanism are not in direct contact, the intermediate mechanism buffers transmission, the magnetic field effect is fully utilized, and the transmission efficiency is improved.
Description
Technical Field
The invention relates to a transmission device in the technical field of transmission, in particular to a disc type magnetic gathering cylinder type eddy current transmission device.
Background
The transmission device is a device which connects two shafts or a shaft and a rotating part, rotates together in the process of transmitting motion and power and does not separate under normal conditions. The transmission device is also used as a safety device for preventing the connected machine member from bearing excessive load, and plays a role in overload protection. The side gap magnetic leakage of the existing disk type magnetism gathering transmission device is obvious, in addition, the disc type magnetism gathering transmission device mainly comprises an installation disk distributed with magnets and a vortex disk generating a vortex effect, one disk is used as an input end, the other disk is used as an output end, and the structure only can realize the torque transmission effect of single input and single output.
Disclosure of Invention
The invention provides a disc type magnetism gathering barrel type eddy current transmission device, which aims to solve the technical problems that the side gap magnetic leakage of the existing disc type magnetism gathering transmission device is obvious and only single-input and single-output torque transmission can be realized.
The invention is realized by adopting the following technical scheme: a disc-type flux-concentrating drum eddy current drive, comprising:
the inner transmission mechanism comprises an inner ring and a vortex ring I; the inner ring and the vortex ring are coaxially arranged and fixedly connected, and the inner ring is positioned on the inner side of the first vortex ring;
the outer transmission mechanism comprises an outer ring and a vortex ring II; the outer ring and the vortex ring II are coaxially arranged and fixedly connected, and the outer ring is positioned on the outer side of the vortex ring II; the vortex ring I and the vortex ring II are coaxially arranged and separated by an annular space; and
the middle mechanism comprises a mounting frame, two fixing rings, a plurality of first magnets and a plurality of second magnets corresponding to the first magnets respectively; the mounting frame is positioned in the annular space and is separated from the first vortex ring and the second vortex ring; the magnets I are mounted on the mounting frame and are magnetized along the radial direction of the outer ring, and the magnetizing directions of the adjacent magnets I are opposite; the magnets II are mounted on the mounting frame and are magnetized along the radial direction of the outer ring, and the magnetizing directions of two adjacent magnets II are opposite; the magnets I are arranged on the preset ring I, and the magnets II are arranged on the preset ring II; the preset ring I and the preset ring II are coaxially arranged, the inner diameter of the preset ring I is the same as that of the preset ring II and is larger than the outer diameter of the vortex ring I, and the outer diameter of the preset ring I is the same as that of the preset ring II and is smaller than that of the vortex ring II; each first magnet can be partially or completely stacked on the corresponding second magnet along the projection plane of the outer ring on the preset ring II in the axial direction, and the magnetizing directions of each first magnet and the corresponding second magnet are opposite; the two fixing rings are respectively positioned on two opposite sides of the annular space and are fixed with the mounting frame, the first magnets and the second magnets.
As a further improvement of the above scheme, the width of the inner ring is smaller than or equal to the width of the swirl ring i and smaller than or equal to the width of the preset ring.
As a further improvement of the above scheme, the width of the outer ring is less than or equal to the width of the swirl ring two and less than or equal to the width of the preset ring.
As a further improvement of the above scheme, the cross sections of the first magnet and the second magnet are both fan-shaped, and the first magnet and the second magnet have the same size.
As a further improvement of the above solution, the fixing ring can be projected in the annular space, and the projection surface can partially or completely cover the side surface of the first preset ring or the second preset ring.
As a further improvement of the above scheme, the inner ring is connected with the first vortex ring by gluing, and the outer ring is connected with the second vortex ring by gluing.
As a further improvement of the above scheme, the preset ring has the same pitch as the first vortex ring and the second vortex ring, and the plurality of magnets are arranged at equal pitch.
As a further improvement of the above scheme, the inner ring, the outer ring and the fixing ring are all iron rings, and the first vortex ring and the second vortex ring are both copper rings.
As a further improvement of the scheme, the mounting frame is made of injection molding glue injected between the two fixing rings and the magnets.
As a further improvement of the above aspect, the transmission further includes:
a housing, the inner drive mechanism, the outer drive mechanism and the intermediate mechanism all mounted in the housing.
The invention mainly comprises an inner transmission mechanism, an outer transmission mechanism and a disc type intermediate mechanism, and has the advantages of convenience in installation of the disc type mechanism and low magnetic leakage characteristic of the drum type mechanism. According to the invention, the disc type intermediate mechanism is arranged between the inner transmission mechanism and the outer transmission mechanism, when the disc type intermediate mechanism generates a rotation speed difference with the inner ring and the outer ring, at the moment, under the action of magnetic fields of the first magnet and the second magnet, eddy currents are formed on the first eddy current ring and the second eddy current ring, so that the first eddy current ring and the second eddy current ring respectively generate acting forces with the first magnet and the second magnet, and further, the two eddy current rings form a transmission relation with the disc type intermediate mechanism, and the effect of secondary buffering is achieved because the inner ring and the outer ring are not in direct contact with the disc type intermediate mechanism. Therefore, three transmission modes can be realized through the structural design of the invention:
1. the disc type intermediate mechanism is used as an input end, the inner transmission mechanism and the outer transmission mechanism are fixedly connected to be used as an output end, and single-input and single-output torque transmission is realized;
2. the disc type intermediate mechanism is used as an input end, the inner transmission mechanism and the outer transmission mechanism are mutually independent and used as output ends, and single-input and double-output torque transmission is realized;
3. the inner transmission mechanism is used as an input end, the disc type middle mechanism is suspended, the outer transmission mechanism is used as an output end, and single-input and single-output torque transmission is realized. The magnetic eddy current is utilized twice by changing the transmission mode, the transmission link is increased, the transmission efficiency is reduced, but the stability is greatly improved, and the magnetic eddy current transmission device is suitable for low-power and high-stability working condition occasions.
Therefore, compared with the existing transmission device, the disc type magnetic gathering disc type eddy current transmission device has the following advantages:
1. the invention has three installation options when in use, (1) a first installation mode: the disc type intermediate mechanism is used as an input end, the inner transmission mechanism and the outer transmission mechanism are fixedly connected to be used as an output end, and single-input and single-output torque transmission is achieved. This mode reforms transform the magnetic circuit of traditional disk eddy current coupling, install magnet one and magnet two that the magnetic pole is relative on two mounting discs of disk intermediate mechanism, form and gather magnetic circuit, spread magnetic induction line to disk intermediate mechanism's medial surface and lateral surface, disk intermediate mechanism and inner ring, the outer loop forms the eddy current transmission relation, interior, outer transmission compares traditional barrel coupling's the installation degree of difficulty greatly to reduce, link firmly just can realize single input, the moment of torsion transmission of single output with interior drive mechanism and outer drive mechanism simultaneously. (2) The second installation mode is as follows: on the basis of the first installation mode, the inner transmission mechanism and the outer transmission mechanism are installed independently without being fixedly connected, and single-input and double-output torque transmission is achieved. (3) The third installation mode: on the basis of the second installation mode, the inner transmission mechanism serves as an input end, the disc type intermediate mechanism is suspended, the outer transmission mechanism serves as an output end, and single-input and single-output torque transmission is achieved.
2. This disk gathers magnetic disk eddy current transmission, its cartridge structure that utilizes disk intermediate mechanism realizes gathering magnetism, and the vortex effect through two vortex rings that are located the relative both sides of disk intermediate mechanism realizes the linkage, and then can be with the power transmission to the outer loop of inner ring, make full use of magnetic field effect, and then improve transmission stability.
3. According to the disc type magnetic gathering disc type eddy current transmission device, the inner ring and the outer ring are linked by the disc type intermediate mechanism, friction cannot be generated, abrasion cannot be generated on the device, the service life of the device can be prolonged, lubrication is not needed, the disc type magnetic gathering disc type eddy current transmission device is more convenient to use, noise cannot be generated, and silent transmission is achieved.
Drawings
Fig. 1 is a first perspective view of a disc type magnetic flux concentration drum type eddy current drive device according to embodiment 1 of the present invention.
Fig. 2 is a second perspective view of the disc type magnetic gathering cylinder type eddy current drive device in fig. 1.
Fig. 3 is a third perspective view of the disc type magnetic gathering cylinder type eddy current drive device in fig. 1.
Fig. 4 is a schematic perspective view of the disc type magnetic gathering cylinder type eddy current transmission device in fig. 1 after a fixing ring is not shown.
Fig. 5 is a schematic perspective view of a mounting bracket of an intermediate mechanism of the disc type magnetic focusing drum type eddy current transmission device in fig. 1.
Fig. 6 is a schematic perspective view of a first magnet and a second magnet of an intermediate mechanism of the disc type magnetic collecting drum type eddy current transmission device in fig. 1.
Description of the symbols:
1 inner transmission mechanism 3 intermediate mechanism
11 inner ring 31 mounting rack
12 swirl ring-32 fixed ring
2 external transmission mechanism 33 magnet
21 outer ring 34 magnet two
22 vortex ring two
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
Referring to fig. 1, 2 and 3, the present embodiment provides a disk type magnetic focusing cylinder type eddy current transmission device, which is used for realizing transmission of two shafts, that is, the rotation of a driving shaft can be transmitted to a driven shaft. In the present embodiment, the transmission comprises an inner transmission 1, an outer transmission 2 and an intermediate mechanism 3, both driving and driven shafts being connected to the inner transmission 1 and the outer transmission 2, respectively. The driving shaft is connected with the inner transmission mechanism 1 shaft, and the driven shaft is connected with the outer transmission mechanism 2 shaft, of course, the driving shaft can also be connected with the outer transmission mechanism 2 shaft, and the driven shaft is connected with the inner transmission mechanism 1 shaft.
The inner transmission mechanism 1 comprises an inner ring 11 and a swirl ring I12. The inner ring 11 and the swirl ring I12 are coaxially arranged and fixedly connected, and the inner ring 11 is positioned at the inner side of the swirl ring I12. In the embodiment, the width of the inner ring 11 is smaller than or equal to the width of the swirl ring one 12, and is smaller than or equal to the width of the preset ring shape. Of course, in other embodiments, the inner ring 11 and the swirl ring one 12 can be adjusted according to actual needs.
Wherein, the driving shaft or the driven shaft connected with the inner transmission mechanism 1 is directly connected with the inner ring 11, so that the inner ring 11 can be driven to rotate or driven by the rotation of the inner ring 11. To facilitate installation, the inner ring 11 is adhesively attached to the swirl ring one 12, so that the outer diameter of the inner ring 11 is slightly smaller than the inner diameter of the swirl ring one 12. In other embodiments, the outer diameter of the inner ring 11 may be equal to the inner diameter of the swirl ring one 12, and the two are connected by a tight fit. In addition, the inner ring 11 and the swirl ring one 12 can be fixed through other connecting pieces, so that the inner ring and the swirl ring form a fixed relation in a holding manner, and the inner ring and the swirl ring can be coaxially arranged. It should be noted that, in order to generate the vortex flow in the vortex ring one 12, the vortex ring one 12 of the present embodiment is a copper ring, and the inner ring 11 is an iron ring.
The external transmission 2 comprises an outer ring 21 and a swirl ring two 22. The outer ring 21 and the vortex ring II 22 are coaxially arranged and fixedly connected, and the outer ring 21 is positioned on the outer side of the vortex ring II 22. The vortex ring I12 and the vortex ring II 22 are coaxially arranged and separated by an annular space. In the present embodiment, the width of the outer ring 21 is smaller than or equal to the width of the swirl ring two 22, and smaller than or equal to the width of the preset ring shape. Of course, in other embodiments, the outer ring 21 and the swirl ring two 22 can be adjusted according to actual needs.
Furthermore, the driven shaft or the driving shaft connected with the external transmission mechanism 2 is directly connected with the outer ring 21, so that the outer ring 21 can be driven to rotate or driven by the rotation of the outer ring 21. In order to facilitate the installation, the outer ring 21 is adhesively connected to the swirl ring two 22, so that the inner diameter of the outer ring 21 is slightly larger than the outer diameter of the swirl ring two 22. In other embodiments, the inner diameter of the outer ring 21 may be equal to the outer diameter of the swirl ring two 22, which are connected by a tight fit. In addition, the outer ring 21 and the swirl ring two 22 can be fixed through other connecting pieces, so that the two are embraced to form a fixed relation and are coaxially arranged. It should be noted that, in order to enable the second swirl ring 22 to generate swirl, the second swirl ring 22 of the present embodiment is a copper ring, and the outer ring 21 is an iron ring.
In addition, in the present embodiment, the width of the inner ring 11 is the same as the width of the outer ring 21, while in other embodiments, the width of the inner ring 11 may be different from the width of the outer ring 21, and may be determined according to the sizes of the driving shaft and the driven shaft. The width of swirl ring one 12 and swirl ring two 22 can be the same and the same thickness can be used for both swirl rings. In this embodiment, the two swirl rings are all copper rings, and in other embodiments, the two swirl rings can be made of other materials capable of generating swirl, and can be specifically determined as required, or even made of different materials, and only the swirl can be generated.
Referring to fig. 4, 5 and 6, the intermediate mechanism 3 includes a mounting frame 31, two fixing rings 32, a plurality of first magnets 33, and a plurality of second magnets 34 respectively corresponding to the plurality of first magnets 33. The mounting frame 31 is located in the annular space and is spaced apart from the swirl ring I and the swirl ring II. A plurality of magnets 33 are mounted on the mounting frame 31 and are magnetized along the radial direction of the outer ring, and the magnetizing directions of two adjacent magnets 33 are opposite. The magnets 34 are installed on the mounting frame 31 and are magnetized along the radial direction of the outer ring, and the magnetizing directions of the adjacent two magnets 34 are opposite. The plurality of magnets 33 are arranged on a predetermined ring shape one, and the plurality of magnets 34 are arranged on a predetermined ring shape two. The preset ring I and the preset ring II are coaxially arranged, the inner diameter of the preset ring I is the same as that of the preset ring II and is larger than the outer diameter of the vortex ring I, and the outer diameter of the preset ring I is the same as that of the preset ring II and is smaller than that of the vortex ring II. Each magnet one 33 can be partially or completely stacked on the corresponding magnet two 34 along the projection plane of the outer ring in the axial direction of the preset ring two, and the magnetizing directions of each magnet one 33 and the corresponding magnet two 34 are opposite. In this embodiment, the first magnet 33 and the second magnet 34 have fan-shaped cross sections and are located on the same fan plane. That is, the first magnet 33 or the second magnet 34 is a part of a circular magnetic coil, and the larger the proportion of the first magnet to the second magnet, the better, and therefore, the smaller the size of the mounting bracket 31, the better, with the support ensured. The mounting frame 31 is made of injection molding glue injected between the two fixing rings 32 and the plurality of magnets, so that the mounting and manufacturing are convenient.
The two fixing rings 32 are respectively located at two opposite sides of the annular space and are fixed with the mounting frame 31, the first magnets 33 and the second magnets 34. In the present embodiment, the fixing ring 32 can be projected in the annular space, and the projection surface can partially or completely cover the side surface of the first predetermined ring or the second predetermined ring. The fixing ring 32 can further fix the magnets, prevent the magnets from being damaged by external magnetic substances, and the fixing ring 32 can also be used as an intermediate structure for mounting the intermediate mechanism 3 with other structures. The two fixing rings 32 are two identical copper rings which can be fixed by gluing on opposite sides of the preset ring shape, covering the sides of the magnets.
It should be noted here that, in order to better ensure the transmission effectiveness, the distance between the preset ring and each of the two swirl rings should be as small as possible, for example, 2-4mm, although the specific dimensions may be determined according to the actual installation requirements and the installation technology. In addition, the preset ring in the embodiment has the same distance with the first vortex ring 12 and the second vortex ring 22, and the plurality of magnets are arranged at equal intervals, so that the stability of the structure can be ensured, and the transmission efficiency is improved.
In summary, compared with the existing transmission device, the disc type magnetic gathering cylinder type eddy current transmission device of the embodiment has the following advantages:
1. according to the disc type magnetic gathering cylinder type eddy current transmission device, the intermediate mechanism 3 is arranged between the inner transmission mechanism 1 and the outer transmission mechanism 2, when a rotation speed difference is generated between the inner ring 11 and the outer ring 21, eddy currents can be formed in the eddy current ring I and the eddy current ring II due to the magnetic field effect of the magnets and the magnetic field directions of the magnets I33 and II 34 are opposite, the generated eddy currents can generate acting force with the magnets I33 and II 34, linkage is formed between the inner ring 11 and the outer ring 21, namely transmission can be achieved between the inner ring 11 and the outer ring 21, and the intermediate mechanism 3 can buffer transmission due to the fact that the inner transmission mechanism 1 is not in direct contact with the outer transmission mechanism 2, so that the technical problems that an existing transmission device is prone to wear and poor in stability are solved, and the technical effects that the stability is good and the buffering performance is good are achieved.
2. This disk gathers magnetic cylinder eddy current transmission device, its magnetic field effect that utilizes two vortex rings and intermediate mechanism 3, and then can realize the power transmission between inside and outside drive mechanism 2, and make full use of magnetic field effect, and then improve transmission efficiency.
3. This disk gathers magnetic cylinder eddy current transmission, its interior drive mechanism 1 utilizes intermediate mechanism 3 to realize the linkage with outer drive mechanism 2, can not produce the friction, consequently can not produce wearing and tearing to the device, and then can improve the life of device, need not lubricated moreover, and it is also more convenient to use, can not produce the noise, realizes noiseless transmission.
Example 2
The embodiment provides a disk type magnetic gathering cylinder type eddy current transmission device, which is added with a driving shaft and a driven shaft on the basis of embodiment 1. The driving shaft is directly axially connected with the inner transmission mechanism 1, and the driven shaft is directly axially connected with the outer transmission mechanism 2, however, in other embodiments, the connection modes of the driving shaft and the driven shaft with the inner and outer transmission mechanisms 2 can be opposite. When the driving shaft and the driven shaft generate a rotating speed difference due to external action, the inner ring 21 and the outer ring 21 can enable the two vortex rings to rotate relatively, so that vortex change can be generated, and torque can be increased after the two vortex rings and the magnet of the intermediate mechanism 3 act, so that the driving shaft and the driven shaft are combined. Therefore, the driving shaft and the driven shaft are separated, and when one of the driving shaft and the driven shaft vibrates, the other one of the driving shaft and the driven shaft cannot be affected, so that the stability of transmission is improved.
Example 3
The embodiment provides a disk type magnetism-gathering cylinder type eddy current transmission device, and a shell is added to the transmission device on the basis of the embodiment 1. Wherein, the inner transmission mechanism 1, the outer transmission mechanism 2 and the intermediate mechanism 3 are all arranged in the shell. The housing may be the housing of an existing transmission, and the transmission mechanism in this embodiment differs from the existing transmission in the structure provided inside the housing. The shell can play a role in positioning, can also play a role in protection, can avoid dust from entering, and can also prevent other objects from colliding with the inner structure of the coupler.
Example 4
This example provides a method of mounting a transmission for mounting any of the disc concentrator eddy current transmissions described in examples 1-3. Wherein the mounting method comprises the following steps, and the assembly of the whole transmission device can be realized by completing the following steps.
First step, assembling the internal transmission mechanism 1: the inner ring 11 and the first vortex ring 12 are coaxially arranged, and then the inner ring 11 and the first vortex ring 12 are fixed in a gluing or interference fit mode, so that the inner ring 11 and the first vortex ring 12 form an integral structure.
Step two, assembling the external transmission mechanism 2: the outer ring 21 and the second vortex ring 22 are coaxially arranged, and then the outer ring 21 and the second vortex ring 22 are fixed in a gluing or interference fit mode, so that the outer ring 21 and the second vortex ring 22 form an integral structure.
Thirdly, assembling an intermediate mechanism 3: firstly, the magnets are classified according to the magnetizing directions, the magnets are installed on the installation frame 31 at intervals, the magnetizing directions of two adjacent magnets I33 and two adjacent magnets II 34 are opposite, meanwhile, the magnetizing directions of each magnet I33 and the corresponding magnet I33 are opposite, then two fixing rings 32 are respectively positioned at two opposite sides of the annular space, the fixing rings 32 can cover the side faces of the magnets, and finally, the two fixing rings 32 are fixed with the installation frame 31 and the magnets through gluing or connecting piece connection and the like.
And fourthly, placing the intermediate mechanism 3 between the inner transmission mechanism 1 and the outer transmission mechanism 2, so that the distances from the preset ring to the two vortex rings are the same or positioning is carried out according to design requirements, and the installation and fixation of the whole transmission device are completed.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A disk-type magnetic focusing drum type eddy current transmission device is characterized by comprising:
the inner transmission mechanism comprises an inner ring and a vortex ring I; the inner ring and the vortex ring are coaxially arranged and fixedly connected, and the inner ring is positioned on the inner side of the first vortex ring;
the outer transmission mechanism comprises an outer ring and a vortex ring II; the outer ring and the vortex ring II are coaxially arranged and fixedly connected, and the outer ring is positioned on the outer side of the vortex ring II; the vortex ring I and the vortex ring II are coaxially arranged and separated by an annular space; and
the middle mechanism comprises a mounting frame, two fixing rings, a plurality of first magnets and a plurality of second magnets corresponding to the first magnets respectively; the mounting frame is positioned in the annular space and is separated from the first vortex ring and the second vortex ring; the magnets I are mounted on the mounting frame and are magnetized along the axial direction of the mounting frame, and the magnetizing directions of the adjacent magnets I are opposite; the magnets II are arranged on the mounting frame and are magnetized along the axial direction of the mounting frame, the magnetizing directions of the two adjacent magnets II are opposite, and the magnetizing direction of each magnet II is opposite to that of the corresponding magnet I in the axial direction, so that a magnetism gathering magnetic circuit is formed; the magnets I are arranged on the preset ring I, and the magnets II are arranged on the preset ring II; the preset ring I and the preset ring II are coaxially arranged, the inner diameter of the preset ring I is the same as that of the preset ring II and is larger than the outer diameter of the vortex ring I, and the outer diameter of the preset ring I is the same as that of the preset ring II and is smaller than that of the vortex ring II; each magnet I can be partially or completely stacked on the corresponding magnet II along the projection plane of the outer ring on the preset ring II in the axial direction; the two fixing rings are respectively positioned on two opposite sides of the annular space and are fixed with the mounting frame, the first magnets and the second magnets.
2. A disc-type flux concentrating drum type eddy current drive unit according to claim 1, wherein the width of the inner ring is smaller than or equal to the width of the first eddy current ring and smaller than or equal to the width of the preset ring shape.
3. The disc type magnet gathering barrel type eddy current transmission device according to claim 1, wherein the width of the outer ring is smaller than or equal to the width of the eddy current ring II and smaller than or equal to the width of the preset ring shape.
4. A disc-type flux-concentrating drum-type eddy current drive according to claim 1, wherein the first magnet and the second magnet are each sector-shaped in cross section and are the same size.
5. A disc-type flux cylinder eddy current drive according to claim 1, wherein the fixed ring is projectable in the annular space, and a projection surface is able to partially or completely cover a side surface of the first preset ring or the second preset ring.
6. The disc-type flux concentrating drum type eddy current drive unit according to claim 1, wherein the inner ring is connected with the first eddy current ring by gluing, and the outer ring is connected with the second eddy current ring by gluing.
7. The disc type magnet gathering barrel type eddy current transmission device according to claim 1, wherein the preset ring shape has the same pitch as the first eddy current ring and the second eddy current ring, and a plurality of magnets are arranged at equal intervals.
8. A disc-type flux-concentrating drum-type eddy current drive according to claim 1, wherein the inner ring, the outer ring and the fixed ring are iron rings, and the first eddy current ring and the second eddy current ring are copper rings.
9. A disc-type flux cylinder eddy current drive according to claim 1, wherein the mounting bracket is injection molded plastic between the two retaining rings and the plurality of magnets.
10. A disc-type flux cylinder eddy current drive according to claim 1, wherein the drive further comprises:
a housing, the inner drive mechanism, the outer drive mechanism and the intermediate mechanism all mounted in the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110364204.3A CN113098230A (en) | 2021-04-04 | 2021-04-04 | Disc type magnetic gathering cylinder type eddy current transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110364204.3A CN113098230A (en) | 2021-04-04 | 2021-04-04 | Disc type magnetic gathering cylinder type eddy current transmission device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113098230A true CN113098230A (en) | 2021-07-09 |
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| CN202110364204.3A Pending CN113098230A (en) | 2021-04-04 | 2021-04-04 | Disc type magnetic gathering cylinder type eddy current transmission device |
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| CN206988292U (en) * | 2017-07-18 | 2018-02-09 | 迈格钠磁动力股份有限公司 | A kind of permanent-magnet suspender |
| CN110752735A (en) * | 2019-10-31 | 2020-02-04 | 江苏大学 | Disc type magnetic gear applying magnetism gathering type magnetism adjusting device |
| CN113241866A (en) * | 2021-06-09 | 2021-08-10 | 武汉环益电机智能科技有限公司 | Disc type permanent magnet motor stator and rotor unit with magnetic gathering structure |
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| CN203339933U (en) * | 2013-07-05 | 2013-12-11 | 秦维 | Flexible power transmission device |
| CN204156709U (en) * | 2014-10-17 | 2015-02-11 | 北京必可测科技股份有限公司 | A kind of hybrid permanent magnet eddy-current coupling |
| CN104578689A (en) * | 2015-01-16 | 2015-04-29 | 浙江大学 | Novel magnetic gear for two-way air-gap field |
| CN106499747A (en) * | 2016-11-04 | 2017-03-15 | 武汉理工大学 | The magnetorheological shaft coupling of close-coupled Cycloidal Wheel |
| CN206988292U (en) * | 2017-07-18 | 2018-02-09 | 迈格钠磁动力股份有限公司 | A kind of permanent-magnet suspender |
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Application publication date: 20210709 |