Non-contact and load-free power transmission device

Abstract

The present invention relates to a non-contact, no-load power transmission device that can transmit power in a non-contact, no-load state by using a magnet-to-non-magnet structure. To this end, a non-contact, no-load power transmission device is provided, characterized in that it includes: a first magnetic disk unit (10) that is combined with any one of a power shaft or a load shaft and has a magnetic body on one side; a second magnetic disk unit (20) that is combined with the power shaft or the load shaft corresponding to the first magnetic disk unit (10), is formed by a magnetic body and a non-magnetic body under the action of gravity, and operates in a non-contact manner.

Description

Technical Field

[0001] The present invention relates to a non-contact no-load power transmission device which can transmit power in a non-contact no-load state by utilizing a magnet-to-non-magnet structure. Background Art

[0002] The contents described in this section merely provide background information about one embodiment of the present invention and do not constitute prior art.

[0003] Generally, there are many types of power transmission devices. The most representative of these is the physical force transmission method through mechanical contact, including power transmission using gears, transmission using pulleys and belts, etc. As mentioned above, the paired power transmission devices are called couplers or couplings.

[0004] This coupling is used to transmit driving force. For example, a power shaft connected to a motor or engine to transmit driving force and a load shaft or driven shaft connected to a rotating object such as a pump can connect two different shafts so that the two shafts can rotate simultaneously.

[0005] As mentioned above, since the coupling meshes and rotates through a mechanical connection, it may cause noise, dust, vibration, reduced energy efficiency, reduced durability, and mechanical burnout due to friction.

[0006] In addition, when a high-load rotating object is placed on the load shaft or the driven shaft during initial operation, the high load is also applied to the power shaft, shortening the life of the motor or engine. When emergency stops or emergency changes in rotation direction are performed due to abnormal conditions, mechanical shocks are transmitted to the power shaft without buffering, causing damage, which frequently occurs.

[0007] Therefore, a magnetic coupling utilizing the magnetic force of a magnet is used so as to prevent noise and vibration from being generated by a mechanically connected coupling, or to prevent overload from being generated in an electric motor of a power shaft, for example, when the load shaft or driven shaft stops rotating due to a foreign object being caught in a pump, etc.

[0008] Therefore, various forms of couplings have been proposed, among which the most representative one is Korean Patent Publication No. 10-2015-0017885 (non-contact power transmission structure using magnetic force, hereinafter referred to as "prior technology", published on February 23, 2015), which relates to a structure for connecting a separated driving shaft and a driven shaft while transmitting power. Specifically, a non-contact power transmission structure using magnetic force is provided, which includes a pair of magnetic bodies, the pair of magnetic bodies includes a first magnet and a second magnet, wherein the first magnet is formed in the center and consists of any one polarity of an N pole and an S pole, and the second magnet is formed on the periphery of the first magnet and is divided into a plurality of N poles and S poles, thereby, the power of the driving shaft can be transmitted to the driven shaft in a non-contact state by using magnetic force.

[0009] However, the prior art described above utilizes the attraction and repulsion of magnets disposed on the power shaft disk and magnets disposed on the load shaft disk. The disadvantage is that periodic slippage may occur, thereby causing difficulty in certain power transmission. In order to overcome the periodic slippage, an integrated structure is provided.

[0010] In addition, when attraction and repulsion are generated, other general magnetic couplings will generate magnetic heat and resistance heat through eddy currents. The high heat generated in this way is the main reason for the reduction of magnetic force and makes the energy efficiency low. In the case of existing ordinary couplings, it is solved by installing and operating valves for adjusting the flow, but the problem is that this process is the main cause of overload, and there is a problem of mechanical burnout and reduced energy efficiency. In other words, the problem with the previous magnetic coupling is that since the power on the motor side cannot be effectively transmitted to the driven shaft, the power transmission efficiency is low, and the power transmission efficiency of the motor is low, so it is difficult to accurately control the rotation of the driven shaft. Summary of the invention

[0011] The object of the present invention is to provide a magnetic coupling. In order to solve the aforementioned problems, according to one embodiment of the present invention, by forming a magnetic force between a magnetic disk including a magnetic body in a form that can be connected and operated with one side of a power shaft or a load shaft and a non-magnetic magnetic disk arranged on the corresponding load shaft or power shaft, the heat generated by slippage or eddy current can be minimized and power can be transmitted.

[0012] Still another object of the present invention is to provide a magnetic coupling that can prevent damage to a power source such as a motor or engine of a power shaft by controlling the load amount of a load shaft coupled to a rotating object.

[0013] However, the technical issues that this embodiment intends to achieve are not limited to the technical issues described above, and there may be other technical issues.

[0014] As a technical means for achieving the above technical problem, according to an embodiment of the present invention, a non-contact no-load power transmission device is composed of a power shaft and a load shaft.

[0015] A contactless and load-free power transmission device is provided, which is characterized by comprising: a first disk unit 10, which is combined with any one of the power shaft or the load shaft and has a magnetic body on one side; a second disk unit 20, which is combined with the power shaft or the load shaft corresponding to the first disk unit 10, is formed by a magnetic body and a non-magnetic body under the action of gravity, and operates in a contactless manner.

[0016] At this time, the positions of the first magnetic disk unit 10 and the second magnetic disk unit 20 are spaced apart or brought close to each other, so that the number of revolutions and the amount of load applied to the coupling can be controlled.

[0017] In addition, the first disk unit 10 includes: a first disk 11; a magnetic body 13, which is radially arranged and combined on one side of the first disk 11; a magnetic force forming plate 12, which is in contact with one side of the magnetic body 13 and discharges the magnetic force generated by the magnetic body 13 to the outside; and a magnetic force forming fastening connection component 14, which fastens and connects the magnetic body 13 to the first disk 11 and discharges the magnetic force to the outside. The magnetic body 13 is a plurality of N poles and S poles arranged alternately, and a heat release hole 112 is also formed in the first disk 11, which is used to release the heat released by the eddy current generated by the change of polarity when the magnetic body 13 rotates.

[0018] In addition, the magnetic force forming fastening connecting component 14 and the magnetic force forming plate 12 that contacts one side of the magnetic force forming fastening connecting component 14 form a hull structure with the magnetic body 13 inserted therein, so that a portion of the magnetic force forming fastening connecting component 14 is directed outward, thereby allowing the magnetic force generated from the magnetic body 13 to be concentrated in the direction of the second disk unit 20.

[0019] In addition, the second disk unit 20 includes: a second disk 21; a magnetic reinforcement plate 22, which is combined with one side of the second disk 21, and an anti-corrosion plate 23 is also provided between the second disk 21 and the magnetic reinforcement plate 22 for preventing corrosion of the second disk 21 and the magnetic reinforcement plate 22 due to corrosion of dissimilar metals, etc.

[0020] At this time, the magnetic strengthening plate 22 also forms a heat release hole 221, which releases the hot air generated by the eddy current and can generate eddy current. The heat release hole 221 is formed in various forms such as a point shape, a curve shape, a narrow fan shape, a deformed W shape, etc.

[0021] Here, with the help of magnetic force and eddy current generated by the rotating magnetic field, even when the centers of the power shaft or the load shaft connected to the first disk unit 10 and the second disk unit 20 are on the same horizontal axis, or are offset upward or downward, the first disk unit 10 and the second disk unit 20 can be driven while maintaining the torsion angle of the center of the power shaft or the load shaft. With the help of the magnetic force generated between the first disk unit 10 and the second disk unit 20 and the eddy current generated by the rotating magnetic field, multiple load axes can correspond to one power shaft and be driven.

[0022] In addition, a non-contact and load-free power transmission device is provided, which is characterized in that since only the attraction between the magnetic body and the non-magnetic body is generated, it can be driven regardless of the polarity change, and the polarity changes that change with the rotation of the magnetic body, that is, the rotating magnetic field generates eddy currents, and the non-magnetic body rotates through the rotating magnetic field, so that emergency stops during operation or reverse rotation during forward rotation can be achieved without physical impact and mechanical damage, and the buffering phenomenon caused by the spacing space between the two magnetic disks brought about by the non-contact method can be achieved in reverse rotation smoothly during operation without causing physical impact and mechanical damage to the power shaft and the load shaft, thereby better achieving the purpose of the present invention.

[0023] According to the aforementioned problem-solving means of the present invention, the present invention transmits power in a non-contact and no-load state by forming a magnetic force between a magnetic disk including a magnetic body arranged on a load shaft and a non-magnetic disk arranged on a power shaft, thereby being unaffected by mechanical burning, noise, vibration, and dust. Compared with the existing magnetic coupling, it can provide a stable output effect without the occurrence of non-periodic slippage.

[0024] In addition, the present invention has the effect of maximizing energy efficiency because the magnetic coupling of the magnet-to-non-magnet structure can rotate forward and reverse, and the rotation speed and output can be controlled by freely adjusting the interval. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a diagram for explaining the structure of a non-contact no-load power transmission device according to an embodiment of the present invention.

[0026] Figure 2 yes Figure 1 Exploded three-dimensional diagram.

[0027] Figure 3 Yes Figure 1 A diagram illustrating various forms of a magnetic reinforcement plate, which is a part of the components of the magnetic reinforcement plate.

[0028] Figure 4 About Figure 1 Figure 1 of the first disk.

[0029] Figure 5 It is used to illustrate Figure 1 A diagram showing the structure of a magnetic reinforcement plate, which is one of the components of the magnetic reinforcement plate.

[0030] Figure 6 The diagram is used to explain the front / rear and up / down interval adjustment process of the contactless no-load power transmission device according to one embodiment of the present invention.

[0031] Figure 7 Yes through Figure 6 FIG. 5 is a diagram for explaining a process of adjusting the up / down and left / right intervals between a first disk and a second disk.

[0032] Figure 8 This is a diagram for explaining a state in which a first axis of a first magnetic disk and a second axis of a second magnetic disk are separated from horizontality according to an embodiment of the present invention.

[0033] Fig. 9 This is a diagram for explaining an example of a power transmission structure to which a plurality of load shafts according to an embodiment of the present invention is applied.

[0034] Fig.10 This is an exemplary diagram for explaining a power transmission method to which a power transmission structure of a plurality of load axes according to an embodiment of the present invention is applied.

[0035] Fig.11 This is a diagram showing an example of a conventional non-contact magnetic power transmission structure using magnets to magnets.

[0036] Description of symbols

[0037] 10: First disk unit

[0038] 11: First Disk

[0039] 12: Magnetic force forming plate

[0040] 13: Magnetic body

[0041] 14: Magnetic force forms fastening connection parts

[0042] 20: Second disk unit

[0043] 21: Second Disk

[0044] 22: Magnetic reinforcement plate

[0045] 23: Anti-corrosion plate DETAILED DESCRIPTION

[0046] Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings so that they can be easily implemented by a person having general knowledge in the technical field to which the present invention belongs. However, the present invention can be implemented in various different forms and is not limited to the embodiments described herein. In addition, in order to clearly illustrate the present invention in the drawings, parts that are not related to the description are omitted, and similar parts are affixed with similar reference numerals throughout the entire specification.

[0047] Throughout the specification, when a part is "connected" to other parts, this includes not only the case of "direct connection" but also the case of "electrical connection" with other elements in between. In addition, when a part "includes" a certain constituent element, it means that other constituent elements are not excluded unless there is a special record to the contrary, but other constituent elements may also be included. It should be understood that the existence or additional possibility of one or more other features or numbers, steps, actions, constituent elements, parts or their combinations is not excluded in advance.

[0048] The following embodiments are to help understand the detailed description of the present invention, rather than to limit the scope of the present invention. Therefore, the invention of the same scope that performs the same function as the present invention will also fall within the scope of the present invention.

[0049] Hereinafter, an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

[0050] Figure 1 is a diagram for explaining the structure of a non-contact no-load power transmission device according to an embodiment of the present invention. Figure 2 yes Figure 1 Exploded stereogram of Figure 3 Yes Figure 1 A diagram illustrating various forms of a magnetic reinforcement plate, which is a part of the components of Figure 4 About Figure 1 A diagram of the first disk, Figure 5 It is used to illustrate Figure 1 A diagram showing the structure of a magnetic reinforcement plate, which is one of the components of the magnetic reinforcement plate.

[0051] Reference Figure 1 to Figure 2 The non-contact and load-free power transmission device of the present invention includes: a first disk unit 10, which is combined with any one of the power shaft or the load shaft, and a magnetic body is arranged on one side; a second disk unit 20, which is combined with the power shaft or the load shaft corresponding to the first disk unit 10, and is formed of a non-magnetic body. The first disk unit 10 and the second disk unit 20 are separated from each other face to face and operate in a non-contact manner.

[0052] At this time, the first disk unit 10 includes: a first disk 11; a magnetic body 13, which is radially arranged and combined on one side of the first disk 11; a magnetic force forming plate 12, which is in contact with one side of the magnetic body 13 and discharges the magnetic force generated by the magnetic body 13 to the outside; and a magnetic force forming fastening component 14, which fastens and connects the magnetic body 13 to the first disk 11 and discharges the magnetic force to the outside.

[0053] Here, the first magnetic disk 11 is formed with an axis coupling hole 111 in the center so that it can be fastened to either the power axis A or the load axis B. A magnetic body introduction hole 113 is also formed with the axis coupling hole 111 as the center so that the magnetic body 13 can be radially arranged and combined. The magnetic body introduction hole 113 forms an inwardly etched space.

[0054] In addition, the first magnetic disk 11 is provided with heat release holes 112 for releasing heat generated by eddy currents generated by a rotating magnetic field whose polarity changes as the magnetic body 13 rotates.

[0055] At this time, a plurality of heat release holes 112 are formed to penetrate from one side to the other side of the first magnetic disk 11 .

[0056] The magnetic body 13 that is fastened and connected to the first magnetic disk 11 formed as described above may be a general permanent magnet, but is not limited thereto, and any material that can generate magnetic force like a permanent magnet or an electromagnet may be used.

[0057] Here, the magnetic body 13 is radially arranged and combined with the shaft coupling hole 111 of the first disk 11 as the center, and when the first disk unit 10 rotates, in order to compensate for the difference in the rotation trajectory of the spacing distance from the central axis, one end is formed into a quadrilateral that is longer than the other end and narrower at the top and wider at the bottom or wider at the top and narrower at the bottom, or its cross-section has a fan-shaped or trapezoidal shape, and is formed into a shape with a long arc toward the outside or a short arc toward the inside, but it is not limited to this and can be formed into various shapes.

[0058] In addition, when the magnetic body 13 is radially arranged on one side of the first magnetic disk 11 with the shaft coupling hole 111 as the center, a plurality of N poles and S poles are alternately arranged.

[0059] In addition, the magnetic force forming plate 12 which contacts one side of the magnetic body 13 and is introduced into the inner side of the magnetic body introduction hole 113 of the first magnetic disk 11 and is used to release the magnetic force generated by the magnetic body 13 to the outside is formed into the same shape as the magnetic body 13.

[0060] Here, the magnetic force forming plate 12 is combined with the inner side of the first magnetic disk 11 , and can increase the magnetic permeability of the magnetic body 13 in the direction of the second magnetic disk unit 20 corresponding to the first magnetic disk unit 10 .

[0061] Preferably, the magnetic force forming plate 12 as described above is formed of a material that can improve the magnetic permeability of the magnetic body, and in the present invention, it can be a silicon steel plate, an amorphous magnetic body, aluminum, etc., but it is not limited to these, as long as it is a material that can improve the magnetic permeability.

[0062] The magnetic force forming plate 12 is further provided with a plurality of heat release holes 121 for releasing heat generated from the magnetic body 13 due to the eddy current.

[0063] The magnetic force forming plate 12 is in contact with and supported by one side surface, and the magnetic force forming fastening member 14 inserted and coupled in such a manner that the outer side surface and the inner side surface of the magnetic body 13 are in contact with each other is also formed of the same material as the magnetic force forming plate 12 .

[0064] To describe in more detail, the magnetic force forming fastening connection component 14 is fastened and connected between the inner side surface of the magnetic body introduction hole 113 of the first disk 11 and the magnetic body 13 by forced insertion, and while combining with the magnetic body 13, the magnetic force of the magnetic force forming plate 12 and the magnetic body 13 is released to the outside, thereby improving the magnetic permeability.

[0065] This is a hull structure in which a magnetic force forming fastening connection component 14 and a magnetic force forming plate 12 in contact with one side of the magnetic force forming fastening connection component 14 form an inserted magnetic body 13, and a part of the magnetic force forming fastening connection component 14 is directed outward, so that the magnetic force generated from the magnetic body 13 can be concentrated in the direction of the second magnetic disk unit 20.

[0066] The second disk unit 20 corresponds to the first disk unit 10 as described above, is configured in a form separated from one side, and is fastened to a power shaft or a load shaft corresponding to the power shaft or the load shaft combined with the first disk unit 10. The second disk unit 20 is composed of a non-magnetic body that can rotate in the same way by the magnetic force generated from the magnetic body of the first disk unit 10.

[0067] Here, the non-magnetic material refers to a metal material or a non-metal material that can maintain attractive force with a magnetic body, but any material may be used as long as it can maintain attractive force with a magnetic body.

[0068] To explain in more detail, it refers to a disk made of a metal material or a synthetic resin containing metal powder, etc., and is capable of attracting a magnetic body.

[0069] The second magnetic disk unit 20 as described above also includes a disc-shaped second magnetic disk 21, in the center of which is formed a shaft coupling hole 211 that can be fastened to one of the power shaft A or the load shaft B, and a plurality of heat release holes 212 are formed around the fastening hole 211.

[0070] At this time, the heat dissipation holes 212 are formed in a radial arrangement with the shaft coupling hole 211 as the center.

[0071] In addition, a magnetic reinforcement plate 22 is provided on one side of the second magnetic disk 21, which can correspond to the eddy current generated from the first magnetic disk unit 10 or increase the attractive force with the magnetic force generated from the magnetic body 13, and an anti-corrosion plate 23 is also provided between the magnetic reinforcement plate 22 and the second magnetic disk 21, which is used to prevent corrosion due to corrosion of dissimilar metals, etc.

[0072] Here, preferably, the anti-corrosion plate 23 is formed of a heat-absorbing material such as ceramic paper for preventing corrosion between dissimilar metals and absorbing heat, but is not limited to this. Any material can be used as long as it can prevent corrosion caused by eddy currents between dissimilar metals.

[0073] The magnetic reinforcement plate 22 as described above is also formed with heat release holes 221 that can release heat generated by eddy currents and generate eddy currents.

[0074] At this time, if Figure 3 As shown, with respect to the heat release holes 221, holes of various shapes such as a point shape, a curve shape, a fan shape with a narrow width, and a deformed Chinese character shape can be arranged in a radial shape.

[0075] As described above, the heat generated by the eddy current is released to the outside, so that the magnetic force of the magnetic body 13 can be prevented from being reduced by magneto-heat and resistance heat, and the rotational power generated from the power side can be smoothly transmitted to the load shaft.

[0076] Figure 6 is a diagram for explaining the front / rear and upper / lower interval adjustment process of a non-contact no-load power transmission device according to an embodiment of the present invention, Figure 7 Yes through Figure 6 FIG. 1 is a diagram for explaining the process of adjusting the up / down and left / right intervals between the first disk and the second disk, Figure 8 is a diagram for explaining a state in which a first axis of a first magnetic disk and a second axis of a second magnetic disk are separated from a horizontal state according to an embodiment of the present invention. Fig. 9 This is a diagram for explaining an example of a power transmission structure to which a plurality of load shafts according to an embodiment of the present invention is applied.

[0077] also, Fig.10 This is an exemplary diagram for explaining a power transmission method to which a power transmission structure of a plurality of load axes according to an embodiment of the present invention is applied.

[0078] Reference Figures 6 to 10To explain in detail, according to the non-contact no-load power transmission device of the present invention, the rotation speed and the load amount can be adjusted in a no-load state by adjusting the interval including the distance between the disks and the arrangement direction between the first disk unit 10 and the second disk unit 20 in multiple directions such as longitudinal, transverse, up, down, left, and right. To this end, the no-load magnetic coupling can be manually or automatically set by the administrator through a control means (not shown).

[0079] To explain in more detail, the load force applied to the non-contact no-load power transmission device can be adjusted by making the positions of the second magnetic disk units 20 connected to the load axis B spaced apart or close to each other.

[0080] For example, by adjusting the distance between the approaching surfaces of the first magnetic disk unit 10 and the second magnetic disk unit 20 , the magnetic force of the magnetic body can be weakened or increased, thereby adjusting the driving force of the power axis A or adjusting the load of the load axis B.

[0081] like Figure 6 and Figure 7 As shown, assuming that the power axis A or the load axis B is the first axis A and the second axis 2, when the two axes are on the same horizontal axis, the interval between the first disk unit 10 and the second disk unit 20 can be reduced or expanded. Even when the first axis A and the second axis B are not on the same horizontal axis but are offset upward or downward, the interval between the first disk unit 10 and the second disk unit 20 can also be reduced or expanded.

[0082] On the other hand, Figure 8 As shown, even when the first axis A and the second axis B are completely deviated from the horizontal axis, the limitation of the twist angle can be overcome regardless of the direction of alignment and balance. This can overcome the following problem: In the case of the existing magnetic coupling, there is a magnetic body on one side and another magnetic body on the other side corresponding to it. When the polarity of the multiple magnetic bodies changes with rotation, the attraction and repulsion are alternately generated, so that when the two shafts are separated from the same shaft, the two sides cannot be operated because of the attraction or separation.

[0083] To this end, in the present invention, a coupling has a magnetic body on one side and a non-magnetic body on the other side corresponding thereto that can maintain attraction with the magnetic body, so that even if the two axes are not located on the same line or there is a certain angle between the two axes, rotation can be achieved by magnetic force and eddy current generated by the rotation of the magnetic force.

[0084] In the case of existing magnetic couplings, this cannot be achieved because the polarity of the facing magnetic bodies changes when an emergency stop is made during operation or reverse rotation is controlled during forward rotation, generating both attraction and repulsion. However, the non-contact, no-load power transmission device of the present invention only generates attraction in a non-contact, no-load state, and can therefore be driven regardless of how the polarity changes. Furthermore, by changing the polarity as the magnetic body rotates, that is, by generating eddy currents in the rotating magnetic field, the non-magnetic body rotates through the rotating magnetic field, thereby achieving an emergency stop during operation or reverse rotation during forward rotation without physical impact or mechanical damage.

[0085] In addition, the non-contact type provides a buffering effect due to the space between the two disks, which enables smooth reverse rotation during operation without causing physical impact and mechanical damage to the power shaft and load shaft.

[0086] As described above, the non-contact no-load power transmission device transmits power by the magnetic force formed between the magnetic disk unit arranged on the load shaft, that is, the driven shaft, and the magnetic disk unit arranged on the power shaft, and the eddy current generated by the rotation of the magnetic force, that is, the rotating magnetic field. Due to the magnet-to-non-magnet structure, power can be transmitted in a completely non-contact no-load state, and it is different from the existing magnetic coupling (refer to Fig.11 ) compared to traditional electric motors, it is not affected by mechanical burning, noise, vibration, and dust, thus improving energy efficiency.

[0087] In addition, by adjusting the spacing distance between the power shaft and the load shaft, the speed and load of the load shaft can be adjusted. Therefore, in a drive system using existing motors and engines, in order to change the speed of a motor or engine with the same torque, there is the inconvenience of having to replace the motor or engine at the maximum speed, but this inconvenience can be easily overcome.

[0088] To explain in more detail, in the prior art, even for motors with the same torque, motors with various pole numbers such as 2 poles, 4 poles, 6 poles, etc. are used depending on the number of poles of the built-in magnetic body. For example, when a 4-pole motor is used at the same frequency of 60Hz, the maximum number of rotations is maintained at 1800rpm. In contrast, when a 6-pole motor is used, the maximum number of rotations is maintained at 1200rpm.

[0089] Therefore, there is a problem that in order to control the rotation speed of the load shaft, there is an inconvenience of replacing the motor of the power shaft, and even if the same motor is used, a separate transmission such as a speed reducer is required.

[0090] In addition, the present invention can adjust the rotation speed and the load amount at the same time in a no-load state by adjusting various intervals between the first magnetic disk unit 10 and the second magnetic disk unit 20, and can maximize energy efficiency.

[0091] In addition, due to the problem of the existing magnetic coupling, that is, the magnetic heat and resistance heat generated during the magnetic force formation process will not only reduce the magnetic force but also promote the corrosion of the constituent parts. Therefore, it is also provided with an anti-corrosion plate 23, which improves the durability of the product by preventing corrosion and can also extend the expected life of the machine.

[0092] As described above, compared with expensive inverters and fluid couplings, the non-contact, load-free power transmission device of the present invention has better mechanical efficiency and energy efficiency with lower installation and maintenance costs, and can overcome the limitations of twisting angles such as operable alignment and balance even if the first axis A of the power shaft and the second axis B of the load shaft are completely deviated from the horizontal line.

[0093] In addition, if Fig. 9 As shown, the power shaft A can be moved, and a plurality of load shafts B can be arranged on one power shaft A and driven.

[0094] To explain in more detail, a power shaft A is arranged in a movable form, and a plurality of load shafts B are arranged in a facing form, and then moved in a form adjacent to the load shaft B to be driven, so that the corresponding load shaft B is driven, or arranged in a form adjacent to the plurality of load shafts B (refer to Fig.10 ), driving the corresponding load axis B through magnetic force and eddy current.

[0095] At this time, the power shaft A can move forward, backward, left, right, up and down, or in all directions within the space in the power shaft that controls the drive of the load shaft, thereby controlling the drive of the load shaft B that is arranged opposite to the power shaft A in a corresponding form.

[0096] The foregoing description of the present invention is for illustration purposes, and a person having general knowledge of the technical field to which the present invention belongs may understand that it can be easily transformed into other specific forms without changing the technical ideas or essential features of the present invention. Therefore, it should be understood that the embodiments described above are illustrative in all respects, rather than limiting. For example, each component described in a single form may be implemented in a dispersed manner, and similarly, the components described in a dispersed manner may also be implemented in a combined form.

[0097] Compared with the above detailed description, the scope of the present invention is indicated by the following patent claims, and it should be interpreted that the meaning and scope of the patent claims and all changes or deformations derived from their equivalent concepts are included in the scope of the present invention.

Claims

1. A non-contact, load-free power transmission device, consisting of a power shaft and a load shaft, characterized in that: include: A first magnetic disk unit (10) is combined with any one of the power shaft or the load shaft and has a magnetic body disposed on one side thereof; A second magnetic disk unit (20) is coupled to a power shaft or a load shaft corresponding to the first magnetic disk unit (10), is formed of a magnetic body and a non-magnetic body under the action of gravity, and operates in a non-contact and load-free manner; The first disk unit (10) comprises: firstdisk(11); A magnetic body (13) which is radially arranged and combined on one side of the first magnetic disk (11); a magnetic force forming plate (12) which contacts one side of the magnetic body (13) and discharges the magnetic force generated by the magnetic body (13) to the outside; and A magnetic force forming fastening connection component (14) which fastens and connects the magnetic body (13) to the first magnetic disk (11) and discharges the magnetic force to the outside; The magnetic force forming fastening connection component (14) and the magnetic force forming plate (12) contacted by one side of the magnetic force forming fastening connection component (14) form a ship body structure with an inserted magnetic body (13), and a part of the magnetic force forming fastening connection component (14) is directed outward, so that the magnetic force generated from the magnetic body (13) can be concentrated in the direction of the second magnetic disk unit (20).

2. The contactless and load-free power transmission device according to claim 1, characterized in that: The positions of the first magnetic disk unit (10) and the second magnetic disk unit (20) are separated or brought close to each other, thereby controlling the number of revolutions and the amount of load applied to the coupling.

3. The contactless no-load power transmission device according to claim 1, characterized in that: The magnetic body (13) is composed of a plurality of N poles and S poles arranged alternately.

4. The contactless no-load power transmission device according to claim 1, characterized in that: The first magnetic disk (11) is also provided with a heat release hole (112) for releasing heat generated by eddy currents due to polarity changes when the magnetic body (13) rotates.

5. The non-contact no-load power transmission device according to claim 1, characterized in that: The second disk unit (20) comprises: Second disk (21); A magnetic reinforcement plate (22) is combined with a side surface of the second magnetic disk (21).

6. The non-contact no-load power transmission device according to claim 5, characterized in that: An anti-corrosion plate (23) is also provided between the second magnetic disk (21) and the magnetic reinforcement plate (22) to prevent corrosion of the second magnetic disk (21) and the magnetic reinforcement plate (22) due to corrosion of dissimilar metals.

7. The contactless no-load power transmission device according to claim 5, characterized in that: The magnetic reinforcement plate (22) is also formed with a heat release hole (221) which releases the hot gas generated by the eddy current and can generate the eddy current. The heat release hole (221) is formed in a point shape, a curve shape, a narrow fan shape, or a deformed W shape.

8. The contactless no-load power transmission device according to any one of claims 1 to 7, characterized in that: By means of magnetic force and eddy current generated by a rotating magnetic field, even when the centers of power shafts or load shafts coupled to the first magnetic disk unit (10) and the second magnetic disk unit (20) are on the same horizontal axis or offset upward or downward, the first magnetic disk unit (10) and the second magnetic disk unit (20) can be driven while maintaining a torsion angle at the centers of the power shafts or the load shafts.

9. The non-contact no-load power transmission device according to claim 1, characterized in that: By means of the magnetic force generated between the first magnetic disk unit (10) and the second magnetic disk unit (20) and the eddy current generated by the rotating magnetic field, a plurality of load axes can correspond to one power axis and be driven.

10. The non-contact no-load power transmission device according to claim 1, characterized in that: Since only the attraction between the magnetic body and the non-magnetic body is generated, it can be driven regardless of the polarity change. The polarity changes with the rotation of the magnetic body, that is, the rotating magnetic field generates eddy current, and the non-magnetic body rotates through the rotating magnetic field. Therefore, when an emergency stop is made during operation or reverse rotation is made during forward rotation, it can be achieved without physical impact and mechanical damage. In addition, the non-contact type brings about a buffering phenomenon caused by the spacing between the two disks, so that smooth reverse rotation can be performed during operation without causing physical impact and mechanical damage to the power shaft and the load shaft.

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