WO2022025307A1 - 비접촉 무부하 동력전달장치 - Google Patents
비접촉 무부하 동력전달장치 Download PDFInfo
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- WO2022025307A1 WO2022025307A1 PCT/KR2020/009947 KR2020009947W WO2022025307A1 WO 2022025307 A1 WO2022025307 A1 WO 2022025307A1 KR 2020009947 W KR2020009947 W KR 2020009947W WO 2022025307 A1 WO2022025307 A1 WO 2022025307A1
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- Prior art keywords
- magnetic
- load
- disk
- contact
- shaft
- Prior art date
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 40
- 239000000696 magnetic material Substances 0.000 claims abstract description 45
- 230000008878 coupling Effects 0.000 claims description 30
- 238000010168 coupling process Methods 0.000 claims description 30
- 238000005859 coupling reaction Methods 0.000 claims description 30
- 238000000034 method Methods 0.000 claims description 19
- 230000017525 heat dissipation Effects 0.000 claims description 14
- 238000005260 corrosion Methods 0.000 claims description 12
- 230000007797 corrosion Effects 0.000 claims description 10
- 238000007599 discharging Methods 0.000 claims description 9
- 230000002787 reinforcement Effects 0.000 claims description 8
- 230000008859 change Effects 0.000 claims description 7
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 238000005536 corrosion prevention Methods 0.000 claims description 4
- 230000035939 shock Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 3
- 150000002739 metals Chemical class 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 6
- 230000008569 process Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000035699 permeability Effects 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000011358 absorbing material Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
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- 238000004904 shortening Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Images
Classifications
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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
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D27/00—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor
- F16D27/01—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor with permanent magnets
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D27/00—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor
- F16D27/10—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor with an electromagnet not rotating with a clutching member, i.e. without collecting rings
- F16D27/108—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor with an electromagnet not rotating with a clutching member, i.e. without collecting rings with axially movable clutching members
- F16D27/112—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor with an electromagnet not rotating with a clutching member, i.e. without collecting rings with axially movable clutching members with flat friction surfaces, e.g. discs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D27/00—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor
- F16D27/14—Details
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2793—Rotors axially facing stators
- H02K1/2795—Rotors axially facing stators the rotor consisting of two or more circumferentially positioned magnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/28—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/32—Rotating parts of the magnetic circuit with channels or ducts for flow of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/22—Arrangements for cooling or ventilating by solid heat conducting material embedded in, or arranged in contact with, the stator or rotor, e.g. heat bridges
- H02K9/223—Heat bridges
Definitions
- the present invention relates to a non-contact no-load power transmission device capable of transmitting power in a non-contact no-load state using a magnet-to-non-magnet structure.
- This coupling is for transmitting driving force, and by connecting two different shafts, such as a power shaft connected to a motor or engine to transmit driving force, and a load side or driven shaft connected to a rotating object side such as a pump, two shafts are connected. This is to allow them to rotate at the same time.
- the coupling through the mechanical connection prevents noise and vibration from occurring, or as the load shaft or driven shaft stops rotating due to, for example, foreign substances caught in the pump, an overload is applied to the electric motor of the power shaft.
- a magnetic coupling using the magnetic force of a magnet is used.
- the prior art as described above has a structure that uses the attractive and repulsive force of the magnets disposed on the power shaft disk and the magnets disposed on the load shaft disk.
- the prior art as described above has a structure that uses the attractive and repulsive force of the magnets disposed on the power shaft disk and the magnets disposed on the load shaft disk.
- a disk including a magnetic material and a corresponding load shaft or disposed on the power side to be operated by being connected to one side of the power shaft or the load shaft
- An object of the present invention is to provide a magnetic coupling capable of minimizing heat generation due to slip or eddy current generation by magnetic force formed between disks of non-magnets and transmitting power.
- Another object of the present invention is to provide a magnetic coupling capable of preventing damage to a power generating source such as a motor or an engine of the power shaft by controlling the amount of load on the load shaft to which the rotating object is coupled.
- the technical task to be achieved by the present embodiment is not limited to the technical task as described above, and other technical tasks may exist.
- a non-contact no-load power device is a power transmission device comprising a power shaft and a load shaft,
- a non-contact, no-load power transmission device is provided, which is composed of the second disk unit 20 formed of a non-magnetic material that acts as a non-magnetic material and operates in a non-contact manner.
- the positions of the first disk unit 10 and the second disk unit 20 are spaced apart or close to each other so that the number of rotations and the load applied to the coupling can be controlled.
- the first disk unit 10 is in contact with the first disk 11 and the magnetic material 13 disposed radially on one side of the first disk 11 and coupled to one side of the magnetic material 13, ,
- the magnetic force forming plate 12 and the magnetic material 13 for discharging the magnetic force generated from the magnetic body 13 to the outside are fastened to the first disk 11 to bind, and a magnetic force forming fastening member for discharging the magnetic force to the outside.
- a plurality of the magnetic bodies 13 have N poles and S poles alternately arranged, and the magnetic body 13 rotates in the first disk 11 and an eddy current is generated according to the polarity change.
- a heat dissipation hole 112 for dissipating heat generated by the heat dissipation hole 112 is further formed.
- the magnetic force forming plate 12 in which the magnetic force forming fastening member 14 and one side of the magnetic force forming fastening member 14 are in contact is formed in a housing structure in which the magnetic body 13 is interleaved, and the magnetic force forming fastening member A portion of (14) is directed to the outside, so that the magnetic force generated from the magnetic body (13) can be concentrated in the direction of the second disk unit (20).
- the second disk unit 20 includes a second disk 21 and a magnetic force reinforcing plate 22 coupled to one side of the second disk 21, and the second disk 21 and the magnetic force reinforcing plate Between (22), a corrosion prevention plate 23 is further provided to prevent corrosion of the second disk 21 and the magnetic reinforcement plate 22 due to heterogeneous corrosion corrosion or the like.
- the magnetic force strengthening plate 22 emits heat generated by the eddy current and further has a heat dissipation hole 221 that allows the eddy current to occur, and the heat dissipation hole 221 has a point shape, a curved shape, and a width. It should be formed in various shapes such as a narrow fan shape and a deformed prince.
- the first disk unit 10 and the second disk unit 20 are energized to be coupled to the first disk unit 10 and the second disk unit 20 by an eddy current generated by a magnetic force and a rotating magnetic field.
- the center of the shaft or the load shaft is on the same horizontal axis line, or is shifted upward or downward, it can be driven even when the center of the power shaft or the load shaft maintains the torsion angle, and the first disk unit 10 and the second
- a plurality of load shafts can be driven correspondingly to one power shaft.
- the present invention transmits power in a non-contact, no-load state with magnetic force formed between a disk including a magnetic material disposed on the load shaft and a non-magnet disk disposed on the power shaft, thereby causing mechanical damage and noise. It is free from , vibration, and dust, and has the effect of providing stable output without periodic slipping compared to conventional magnetic couplings.
- the present invention enables forward rotation and reverse rotation due to the magnetic coupling of the magnet-to-non-magnet structure, and the effect of maximizing energy efficiency by controlling the rotation speed and output amount through free spacing adjustment have.
- FIG. 1 is a view for explaining the configuration of a non-contact no-load power transmission device according to an embodiment of the present invention.
- FIG. 2 is an exploded perspective view of FIG. 1 ;
- FIG. 3 is a view for explaining various types of magnetic reinforcement plates, which are some of the components of FIG. 1 .
- FIG. 4 is a view of the first disk of FIG. 1 .
- FIG. 5 is a view for explaining the configuration of a magnetic reinforcement plate, which is a part of the component of FIG. 1 .
- FIG. 6 is a view for explaining a process of adjusting the front/rear, up/down spacing of the non-contact no-load power transmission device according to an embodiment of the present invention.
- FIG. 7 is a view for explaining a process of adjusting the upper/lower and left/right spacing between the first disk and the second disk according to FIG. 6 .
- FIG 8 is a view for explaining a state in which the first axis of the first disk and the second axis of the second disk are out of horizontal according to an embodiment of the present invention.
- FIG. 9 is an exemplary view for explaining a power transmission structure to which a plurality of load shafts are applied according to an embodiment of the present invention.
- FIG. 10 is an exemplary view for explaining a power transmission method of a power transmission structure to which a plurality of load shafts are applied according to an embodiment of the present invention.
- FIG. 11 is an exemplary diagram illustrating a non-contact magnetic power transmission structure to which a conventional magnet-to-magnet is applied.
- FIG. 1 is a view for explaining the configuration of a non-contact no-load power transmission device according to an embodiment of the present invention
- FIG. 2 is an exploded perspective view of FIG. 1
- FIG. 4 is a diagram for the first disk of FIG. 1
- FIG. 5 is a diagram for explaining the configuration of a magnetic reinforcement plate, which is a part of FIG. 1 .
- the non-contact no-load power transmission device of the present invention includes a first disk unit 10 coupled to any one of a power shaft or a load shaft and provided with a magnetic material on one side thereof, and the first disk unit ( 10) is coupled to a power shaft or a load shaft corresponding to and composed of a second disk unit 20 formed of a non-magnet, wherein the first disk unit 10 and the second disk unit 20 face each other and are spaced apart It operates in a non-contact manner.
- the first disk unit 10 is in contact with the first disk 11 and the magnetic material 13 disposed radially on one side of the first disk 11 and coupled to one side of the magnetic material 13, ,
- the magnetic force forming plate 12 and the magnetic material 13 for discharging the magnetic force generated from the magnetic body 13 to the outside are fastened to the first disk 11 to bind, and a magnetic force forming fastening member for discharging the magnetic force to the outside. It consists of (14).
- a shaft coupling hole 111 is formed in the center to be able to fasten either the power shaft A or the load shaft B, and the shaft coupling hole 111 is the center of the shaft coupling hole 111.
- a magnetic inlet hole 113 is further formed to form a space etched inside so that the magnetic material 13 can be radially arranged and coupled thereto.
- a heat dissipation hole 112 for dissipating heat generated by an eddy current generated according to a rotating magnetic field in which the magnetic material 13 rotates and changes in polarity is further formed on the first disk 11 .
- a plurality of the heat dissipation holes 112 are formed to penetrate from one surface of the first disk 11 to the other surface.
- a conventional permanent magnet is applied to the magnetic body 13 fastened to and coupled to the first disk 11 formed as described above, but the present invention is not limited thereto, and anything that can generate a magnetic force such as a permanent magnet or an electromagnet can be used. do.
- the magnetic body 13 is radially arranged around the shaft coupling hole 111 of the first disk 11 and coupled, and when the first disk unit 10 rotates, at a distance from the central axis.
- the magnetic body 13 is not limited thereto, so that it can be formed in various shapes.
- the magnetic force forming plate is in contact with one side of the magnetic body 13 , is introduced into the magnetic lead-in hole 113 of the first disk 11 , and releases the magnetic force generated from the magnetic body 13 to the outside.
- (12) is formed to be the same as the shape of the magnetic body (13).
- the magnetic force forming plate 12 is coupled to the inside of the first disk 11 and increases the magnetic permeability of the magnetic material 13 in the direction of the second disk unit 20 corresponding to the first disk unit 10 . make it possible
- the magnetic force forming plate 12 as described above is preferably formed of a material capable of increasing the magnetic permeability, and in the present invention, it may be a silicon steel sheet, an amorphous magnetic material, aluminum, etc., but is not limited thereto, and the magnetic permeability can be increased Any material is possible.
- a plurality of heat dissipation holes 121 are further provided in the magnetic force forming plate 12 to dissipate heat generated from the magnetic body 13 by an eddy current.
- the magnetic force forming plate 12 and one side are supported by being in contact, and the magnetic force forming fastening member 14 for interpolating and binding the outer surface of the magnetic body 13 to be in contact with the inner surface is also the same as the magnetic force forming plate 12 . made of material.
- the magnetic force forming fastening member 14 is fastened by force fitting between the inner surface of the magnetic inserting hole 113 of the first disk 11 and the magnetic body 13, and the magnetic body 13 is At the same time as binding, the magnetic force of the magnetic force forming plate 12 and the magnetic body 13 is released to the outside to improve the magnetic permeability.
- a second disk that corresponds to the first disk unit 10 as described above, is disposed with one side spaced apart, and is fastened to a power shaft or a load shaft corresponding to a power shaft coupled to the first disk unit 10 or a load shaft.
- the unit 20 is made of a non-magnetic material that allows for homogeneous rotation by the magnetic force generated from the magnetic material of the first disk unit 10 .
- the non-magnetic material may be any metal or non-metal material capable of maintaining attractive force with the magnetic material or any material capable of maintaining attractive force with the magnetic material.
- it refers to a material that is formed by containing metal powder or the like in a metal disk or synthetic resin, and is capable of maintaining attractive force with a magnetic material.
- a shaft coupling hole 211 to which one of the power shaft A or the load shaft B can be fastened is formed in the center, and the coupling hole 211 is the center of the second disk unit 20 . It is composed of a disk-shaped second disk 21 in which a plurality of heat dissipation holes 212 are further formed.
- the heat dissipation hole 212 is formed to be radially arranged around the shaft coupling hole 211 .
- a magnetic force reinforcing plate 22 to cope with the eddy current generated by the first disk unit 10 or to increase the attractive force with the magnetic force generated from the magnetic material 13.
- a corrosion prevention plate 23 is further provided between the magnetic reinforcement plate 22 and the second disk 21 to prevent corrosion from occurring due to corrosion of dissimilar metals.
- the anti-corrosion plate 23 is preferably formed of a heat absorbing material such as ceramic paper for preventing corrosion between dissimilar metals and absorbing heat, but is not limited thereto. Anything that can prevent corrosion is possible.
- the magnetic reinforcing plate 22 as described above is further formed with a heat dissipation hole 221 for discharging heat generated by the eddy current and generating the eddy current.
- the heat dissipation hole 221 may have various types of holes such as a point shape, a curved shape, a narrow fan shape, and a deformed prince, and the like may be arranged in a radial shape.
- FIG. 6 is a view for explaining a process of adjusting the front/rear and upper/lower intervals of the non-contact no-load power transmission device according to an embodiment of the present invention
- FIG. 8 is a diagram illustrating a state in which the first axis of the first disk and the second axis of the second disk are out of horizontal according to an embodiment of the present invention
- FIG. 9 is an exemplary view for explaining a power transmission structure to which a plurality of load shafts are applied according to an embodiment of the present invention.
- FIG. 10 is an exemplary view for explaining a power transmission method of a power transmission structure to which a plurality of load shafts are applied according to an embodiment of the present invention.
- the non-contact no-load power transmission device is provided between the first disk unit 10 and the second disk unit 20 in various directions, such as longitudinal, lateral, and vertical and horizontal directions.
- the rotation speed and load amount can be adjusted in a no-load state by adjusting the distance between the disks and the spacing including the arrangement direction.
- the no-load magnetic coupling allows an administrator to manually or automatically set the interval between the first disk unit 10 and the second disk unit 20 through a control means (not shown).
- the position of the second disk unit 20 connected to the load shaft B is spaced apart or close to each other, so that the load force applied to the non-contact no-load power transmission device can be adjusted.
- first shaft (A) and the second shaft (2) are the first shaft (A) and the second shaft (2) with respect to the power shaft (A) or the load shaft (B), and the two shafts are on the same horizontal axis line If there is, the gap between the first disk unit 10 and the second disk unit 20 can be narrowed or widened, and the first axis (A) and the second axis (B) are not on the same horizontal axis line, and are upper or Even when shifted downward, the gap between the first disk unit 10 and the second disk unit 20 can be narrowed or widened.
- a magnetic material is provided on one side of the coupling, and a non-magnetic material for maintaining attractive force with the magnetic material is provided on the other side corresponding to the coupling. Even when a separation angle is generated, rotation is possible by magnetic force and eddy current generated by the rotation of magnetic force.
- the non-contact no-load power transmission device transmits power to the load shaft, that is, the magnetic force formed between the disk unit disposed on the driven shaft and the disk unit disposed on the power side, and the rotation of the magnetic force, that is, the eddy current generated by the rotating magnetic field.
- the load shaft that is, the magnetic force formed between the disk unit disposed on the driven shaft and the disk unit disposed on the power side
- the rotation of the magnetic force that is, the eddy current generated by the rotating magnetic field.
- a motor having various poles such as 2 poles, 4 poles, and 6 poles, is used depending on the number of poles of the built-in magnetic material. For example, 4 poles at the same frequency of 60 Hz In the case of a motor to which , the maximum rotation speed is maintained at 1800 rpm, in the case of a motor using 6 poles, the maximum rotation speed is maintained at 1200 rpm.
- the rotation speed and the load amount can be simultaneously adjusted in a no-load state by adjusting various intervals between the first disk unit 10 and the second disk unit 20, and energy efficiency can be maximized.
- the corrosion prevention plate 23 is further provided so that the corrosion of components can be promoted as well as the magnetic force is reduced due to the magnetic heat and resistance heat generated in the magnetic force formation process, which are problems of the existing magnetic coupling. It is possible to improve the durability of the product and extend the mechanical life expectancy by preventing
- the non-contact no-load power transmission device of the present invention has better mechanical efficiency and energy efficiency with less installation and maintenance costs compared to expensive inverters and fluid couplings, and the first shaft (A) on the power side It is possible to overcome the limitations of the torsion angle such as alignment and balance that can be operated even if the second axis (B) on the overload side is not completely horizontal.
- a plurality of load sides B may be disposed on one power shaft A to be driven.
- one power shaft (A) is arranged to be movable, a plurality of load shafts (B) are arranged to face each other, and then the load shaft (B) that needs to be driven is moved adjacent to the corresponding load shaft ( B) is driven, or a plurality of load shafts B are disposed adjacent to each other (refer to FIG. 10) to drive the corresponding load shaft B by magnetic force and eddy current.
- the power shaft (A) is a load disposed facing the power shaft (A) so as to be movable in all directions movable in a space capable of controlling the driving of the load side in the front, rear, left, right and up and down or the power shaft It is possible to control the drive of the axis (B).
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
Abstract
Description
Claims (12)
- 동력축과 부하축으로 구성되는 동력전달장치에 있어서,동력축 또는 부하축 중 어느 하나에 결합되고 일측면에 자성체가 구비되는 제1디스크유니트(10);와상기 제1디스크유니트(10)에 대응하는 동력축 또는 부하축에 결합되고 상기 자성체와 인력이 작용하는 비자성체로 형성되는 제2디스크유니트(20)로 구성되어 비접촉 무부하 방식으로 동작하는 것을 특징으로 하는 비접촉 무부하 동력전달장치.
- 제 1항에 있어서,상기 제1디스크유니트(10)와 제2디스크유니트(20)의 위치를 이격시키거나 근접하도록 하여 커플링에 가해지는 회전수 및 부하량을 제어할 수 있도록 하는 것을 특징으로 하는 비접촉 무부하 동력전달장치.
- 제 1항에 있어서,상기 제1디스크유니트(10)는 제1디스크(11)와 상기 제1디스크(11)의 일측면에 방사형으로 배치되어 결합되는 자성체(13)와 상기 자성체(13)의 일측면에 접하며, 자성체(13)로부터 발생되는 자력을 외부로 배출되도록 하는 자력형성판(12) 및 자성체(13)를 제1디스크(11)에 체결하여 결속하며, 자력을 외부로 배출되도록 하는 자력형성체결부재(14)로 구성되는 것을 특징으로 하는 비접촉 무부하 동력전달장치.
- 제 3항에 있어서,상기 자성체(13)는 다수 개가 N극과 S극이 교변적으로 배열되는 것을 특징으로 하는 비접촉 무부하 동력전달장치.
- 제 3항에 있어서,상기 제1디스크(11)에는 자성체가(13)가 회전하며 극성변화에 따라 발생되는 와전류에 의해 발열되는 열기를 방출하기 위한 방열홀(112)이 더 형성되는 것을 특징으로 하는 비접촉 무부하 동력전달장치.
- 제 3항에 있어서,상기 자력형성체결부재(14)와 상기 자력형성체결부재(14)의 일측면이 접촉되는 자력형성판(12)이 자성체(13)를 내삽하는 함체구조로 형성되도록 하고, 자력형성체결부재(14)의 일부분이 외부로 향하도록 하여, 자성체(13)로부터 발생되는 자력이 제2디스크유니트(20) 방향으로 집중될 수 있도록 하는 것을 특징으로 하는 비접촉 무부하 동력전달장치.
- 제 1항에 있어서,상기 제2디스크유니트(20)는 제2디스크(21)와 상기 제2디스크(21)의 일측면에 결합되는 자력강화판(22)으로 구성되는 것을 특징으로 하는 비접촉 무부하 동력전달장치.
- 제 7항에 있어서,상기 제2디스크(21)와 자력강화판(22)의 사이에는 이종금속부식 등에 의해 제2디스크(21)와 자력강화판(22)에 부식이 발생되는 것을 방지하기 위한 부식방지판(23)이 더 구비되는 것을 특징으로 하는 비접촉 무부하 동력전달장치.
- 제 7항에 있어서,상기 자력강화판(22)은 와전류에 의해 발생되는 열기를 방출하고, 와전류가 발생할 수 있도록 하는 방열홀(221)이 더 형성되며, 상기 방열홀(221)은 점 형태, 곡선형태, 폭이 좁은 부채꼴 형태, 변형된 왕 자 형태 등 다양한 형태로 형성되는 것을 특징으로 하는 비접촉 무부하 동력전달장치.
- 제 1항 내지 제9항 중 어느 한 항에 있어서,상기 제1디스크유니트(10)와 제2디스크유니트(20)는 자력 및 회전자계에 의해 발생되는 와전류에 의해, 제1디스크유니트(10)와 제2디스크유니트(20)에 결합하는 동력축 또는 부하축의 중심이 동일한 수평 축 선상에 있거나, 상부 또는 하부 등 어느 방향으로든 어긋난 경우, 동력축 또는 부하축의 중심이 비틀림각을 유지할 경우에도 구동될 수 있는 것을 특징으로 하는 비접촉 무부하 동력전달장치.
- 제 1항에 있어서,상기 제1디스크유니트(10)와 제2디스크유니트(20)의 사이에 발생되는 자력 및 회전자계에 의해 발생되는 와전류에 의해, 1개의 동력축에 복수개의 부하축이 대응하여 구동할 수 있는 것을 특징으로 하는 비접촉 무부하 동력전달장치.
- 제 1항에 있어서,상기 자성체와 비자성체간의 인력만이 발생되어 극성변화와 상관없이 구동이 가능하며, 자성체의 회전에 따라 변하는 극성변화 즉, 회전자계에 의해 와전류가 발생되고, 회전자계에 의해 비자성체가 회전함으로써 운전 중 급정지 또는 정회전 중 역회전시 물리적 충격 및 기계적 파손없이 가능하도록 하며, 비접촉식으로 두개의 디스크유니트사이의 이격공간으로 인한 쿠션 현상을 주어 동력축 및 부하축에 물리적 충격과 기계적 파손 없이 운전 중 부드러운 역회전이 가능하도록 할 수 있는 것을 특징으로 하는 비접촉 무부하 동력전달장치.
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CN202080101340.7A CN115698533A (zh) | 2020-07-27 | 2020-07-28 | 非接触无负荷动力传递装置 |
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JP2023536782A (ja) | 2023-08-30 |
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CN115698533A (zh) | 2023-02-03 |
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