Multifunctional magnetic suspension vertical shaft device

Abstract

The utility model provides a multifunctional magnetic suspension vertical shaft device. Belongs to the wind power generation field. According to the technical key points, the device comprises a supporting mechanism, the supporting mechanism comprises a shielding shell, a rotating shaft penetrates through the interior of the shielding shell, the inner wall of the shielding shell is fixedly connected with a lower annular supporting plate, the top of the lower annular supporting plate is fixedly connected with a lower permanent magnet, and the rotating shaft penetrates through the lower annular supporting plate and the lower permanent magnet; the outer side of the rotating shaft is fixedly connected with an upper annular supporting plate, and the bottom of the upper annular supporting plate is fixedly connected with an upper permanent magnet corresponding to the lower permanent magnet. The centering mechanism comprises shaft barrels which are symmetrically and fixedly connected to the two sides of the shielding shell, the shielding shell penetrates through the two shaft barrels, and the inner walls of the two shaft barrels are detachably connected with a plurality of outer permanent magnets in an annular array mode; the utility model aims to provide a multifunctional magnetic suspension vertical shaft device. The method is used for further improving the energy conversion rate.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of wind power generation, concretely is a kind of multifunctional magnetic suspension vertical shaft device. BACKGROUND

[0002] Wind power generation refers to the kinetic energy of wind into electric energy.Wind energy is a clean and renewable energy, has been used by people for a long time, mainly through windmill to pump water, grinding, etc., people are interested in how to use wind to generate electricity.Wind power generation is very environmentally friendly, and wind energy is huge, so it is increasingly valued by countries around the world.

[0003] The current magnetic suspension vertical shaft device, such as the patent with announcement number CN208764133U, includes rotating main shaft, upper self-lubricating locating bearing, adjusting screw, support shield, upper magnetic steel group upper magnetic steel, upper magnetic steel group lower magnetic steel, lower magnetic steel group upper magnetic steel, lower magnetic steel group lower magnetic steel, base, lower self-lubricating locating bearing, control main shaft, yoke and observation window, the upper end of the support shield is provided with the upper self-lubricating locating bearing, the lower end of the support shield is provided with the base, the lower end of the base is provided with the lower self-lubricating locating bearing, the inner middle part of the support shield is provided with the rotating main shaft, the outer part of the rotating main shaft is provided with the upper magnetic steel group upper magnetic steel, the lower end of the upper magnetic steel group upper magnetic steel is provided with the upper magnetic steel group lower magnetic steel, and the lower end of the upper magnetic steel group lower magnetic steel is provided with the lower magnetic steel group upper magnetic steel.

[0004] For the related technology in the above, the inventor believes that the rotating main shaft is connected with the support shield and the base through the upper self-lubricating locating bearing and the lower self-lubricating locating bearing, and in the rotating process of the rotating main shaft, the bearing will have certain rolling friction, thereby reducing the energy conversion rate. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of multifunctional magnetic suspension vertical shaft device to solve the problems raised in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] A kind of multifunctional magnetic suspension vertical shaft device, comprising

[0008] Supporting mechanism, the inside of the shielding shell is penetrated by rotating shaft, the inner wall of the shielding shell is fixedly connected with lower annular support plate, the top of the lower annular support plate is fixedly connected with lower permanent magnet, the rotating shaft penetrates the lower annular support plate and the lower permanent magnet, the outer side of the rotating shaft is fixedly connected with upper annular support plate, and the bottom of the upper annular support plate is fixedly connected with upper permanent magnet corresponding to the lower permanent magnet;

[0009] The centering mechanism comprises shaft cylinders fixedly connected to two sides of the shielding shell, the shielding shell penetrates through two groups of the shaft cylinders, the inner walls of the two groups of the shaft cylinders are in annular arrays and detachably connected with a plurality of outer permanent magnets, the outer walls of the two sides of the rotating shaft are in annular arrays and fixedly connected with a plurality of inner magnets, and each group of the inner magnets corresponds to each group of the outer permanent magnets.

[0010] As a further scheme of the utility model, the bottom of the lower annular support plate is fixedly connected with a plurality of reinforcing rib plates in annular arrays, and each group of the reinforcing rib plates is fixedly connected with the inner wall of the shielding shell.

[0011] As a further scheme of the utility model, the top of the upper annular support plate is fixedly connected with a conical seat, and the conical seat is fixedly connected with the rotating shaft.

[0012] As a further scheme of the utility model, the bottom of the upper annular support plate is fixedly connected with an anti-falling cylinder, the anti-falling cylinder is sleeved on the outer side of the upper permanent magnet, the bottom of the upper permanent magnet is movably connected with a plurality of first rolling balls in annular arrays, and the lower side of the anti-falling cylinder is provided with an anti-falling ring fixedly connected with the inner wall of the shielding shell.

[0013] As a further scheme of the utility model, one side of each group of the outer permanent magnets away from the inner magnets is rotatably connected with an adjusting screw, and the adjusting screw is threadedly connected with the shaft cylinder.

[0014] As a further scheme of the utility model, one side of the outer permanent magnet away from the inner magnet is fixedly connected with a guide column in a symmetrical mode, and each group of the guide columns is slidably connected with the shaft cylinder.

[0015] As a further scheme of the utility model, the inner walls of the two groups of the shaft cylinders are fixedly connected with retaining rings, the interiors of the two groups of the retaining rings are movably connected with a plurality of second rolling balls in annular arrays, and the rotating shaft penetrates through the two groups of the retaining rings.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] After the above structure is adopted, the outer permanent magnet, the inner magnet, the lower permanent magnet and the upper permanent magnet are matched with each other, the upper permanent magnet and the rotating shaft can be suspended under the repulsion of the lower permanent magnet and the upper permanent magnet, the rotating shaft can be coaxially arranged with the shaft cylinder under the repulsion of each group of the outer permanent magnet and each group of the inner magnet, the rotating shaft can be kept from being in contact with the shielding shell and the shaft cylinder during rotation, the friction of the shielding shell during rotation is effectively reduced, and the energy conversion rate is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] The utility model will be further explained in detail in connection with the embodiments in the drawings, but does not constitute any limitation to the utility model.

[0019] Figure 1 It is a kind of overall structure sectional view of multifunctional magnetic suspension vertical shaft device.

[0020] Figure 2 It is a kind of multifunctional magnetic suspension vertical shaft device Figure 1 A part structure schematic view.

[0021] Figure 3 It is a kind of multifunctional magnetic suspension vertical shaft device Figure 1 B part structure schematic view.

[0022] Figure 4 It is a kind of multifunctional magnetic suspension vertical shaft device Figure 1 C part structure schematic view.

[0023] In the figure: 1, support mechanism;101, shielding shell;102, lower annular support plate;103, lower permanent magnet;104, upper annular support plate;105, upper permanent magnet;106, conical seat;107, reinforcing rib plate;108, anti-falling ring;109, anti-falling cylinder;110, first ball;111, rotating shaft;2, centering mechanism;201, shaft cylinder;202, outer permanent magnet;203, inner magnet;204, adjusting screw;205, guide column;206, retaining ring;207, second ball. DETAILED DESCRIPTION

[0024] The technical scheme of the patent will be further explained in detail in connection with specific embodiments.

[0025] Please refer to Figures 1-4 A kind of multifunctional magnetic suspension vertical shaft device, including support mechanism 1, support mechanism 1 includes shielding shell 101, shielding shell 101 is internally through rotating shaft 111, rotating shaft 111 is arranged for top end connection wind turbine blade of wind turbine, bottom end connection wind turbine.Shielding shell 101 is fixedly connected with lower annular support plate 102 in inner wall, the bottom of lower annular support plate 102 is fixedly connected with multiple reinforcing rib plates 107 in annular array, each group reinforcing rib plate 107 is fixedly connected with the inner wall of shielding shell 101, reinforcing rib plate 107 is arranged for further connecting and fixing lower annular support plate 102 with shielding shell 101, to improve the connection stability of shielding shell 101 and lower permanent magnet 103.

[0026] The top of the lower annular support plate 102 is fixedly connected with a lower permanent magnet 103, and the lower annular support plate 102 can provide support for the lower permanent magnet 103. The rotating shaft 111 penetrates the lower annular support plate 102 and the lower permanent magnet 103, and the outer side of the rotating shaft 111 is fixedly connected with an upper annular support plate 104. The bottom of the upper annular support plate 104 is fixedly connected with an upper permanent magnet 105 corresponding to the lower permanent magnet 103. The upper annular support plate 104 is arranged to support and fix the upper permanent magnet 105, so as to provide support for the upper annular support plate 104 and the shielding shell 101 by using the same-pole repulsion effect of the lower permanent magnet 103 and the upper permanent magnet 105. The top of the upper annular support plate 104 is fixedly connected with a conical seat 106, and the conical seat 106 is fixedly connected with the rotating shaft 111. The conical seat 106 is arranged to further connect and fix the upper annular support plate 104 and the rotating shaft 111, thereby improving the connection stability of the upper annular support plate 104 and the rotating shaft 111.

[0027] The bottom of the upper annular support plate 104 is fixedly connected with a falling prevention cylinder 109, and the falling prevention cylinder 109 is sleeved on the outer side of the upper permanent magnet 105. A falling prevention ring 108 fixedly connected with the inner wall of the shielding shell 101 is arranged below the falling prevention cylinder 109. The falling prevention ring 108 is arranged to provide support for the falling prevention cylinder 109, the upper annular support plate 104 and the rotating shaft 111 when the top of the shielding shell 101 is overloaded, so as to reduce the probability of wear between the upper permanent magnet 105 and the lower permanent magnet 103 caused by direct contact of the upper permanent magnet 105 with the lower permanent magnet 103. The bottom of the upper permanent magnet 105 is annularly and movably connected with a plurality of first rolling balls 110. The first rolling balls 110 are arranged to roll along the top of the falling prevention ring 108 when the rotating shaft 111 is overloaded and continues to rotate, thereby reducing the friction between the falling prevention cylinder 109 and the falling prevention ring 108, serving as a common bearing for a short time, and thereby improving the functionality of the entire device.

[0028] The centering mechanism 2 comprises shaft cylinders 201 fixedly connected symmetrically on both sides of the shielding shell 101. The shielding shell 101 penetrates the two groups of shaft cylinders 201. The inner walls of the two groups of shaft cylinders 201 are annularly and movably connected with a plurality of outer permanent magnets 202. Each group of outer permanent magnets 202 is rotatably connected with an adjusting screw 204 away from the side of the inner magnet 203. The adjusting screw 204 is threadedly connected with the shaft cylinder 201. The adjusting screw 204 is arranged to drive the corresponding outer permanent magnet 202 to move when rotating, thereby achieving adjustment of the position of the outer permanent magnet 202. The outer permanent magnet 202 is symmetrically fixedly connected with a guide column 205 away from the side of the inner magnet 203. Each group of guide columns 205 is slidably connected with the shaft cylinder 201. The guide column 205 is arranged to guide the movement of the shaft cylinder 201.

[0029] The outer wall of the rotating shaft 111 is fixedly connected with a plurality of inner magnets 203 in annular array on both sides, each group of inner magnets 203 corresponds to each group of outer permanent magnets 202, the inner magnets 203 are arranged to cooperate with the outer permanent magnets 202, so that the rotating shaft 111 is coaxially arranged with the shaft cylinder 201 by the repulsion of the outer permanent magnets 202 and the inner magnets 203, so as to reduce the contact between the rotating shaft 111 and the shaft cylinder 201. The inner wall of the two groups of shaft cylinders 201 is fixedly connected with a retaining ring 206, the inside of the two groups of retaining rings 206 is movably connected with a plurality of second balls 207 in annular array, the rotating shaft 111 penetrates the two groups of retaining rings 206, the second balls 207 are arranged to limit the rotating shaft 111 when one group of outer permanent magnets 202 or inner magnets 203 is damaged and the rotating shaft 111 is offset during use of the whole device, so that the second balls 207 can roll along the outside of the rotating shaft 111, thereby reducing the probability of wear between the rotating shaft 111 and the shaft cylinder 201.

[0030] In use, the wind blade of the wind turbine is fixed on the upper end of the rotating shaft 111, the generator is fixed on the lower end of the rotating shaft 111, and the shielding shell 101 is fixed on a suitable plane, so that the upper permanent magnet 105 and the shielding shell 101 can be suspended under the repulsion of the lower permanent magnet 103 and the upper permanent magnet 105, thereby supporting the shielding shell 101 and the wind blade of the wind turbine fixed on the shielding shell 101, and the rotating shaft 111 can be kept centered under the repulsion of each group of outer permanent magnets 202 and each group of inner magnets 203, and the rotating shaft 111 is not in contact with the shaft cylinder 201, so that the whole rotating shaft 111 is kept in a non-contact state with the shielding shell 101 and the shaft cylinder 201 during rotation, thereby effectively reducing the resistance of the rotating shaft 111 during rotation, and further improving the energy conversion rate.

[0031] The above-mentioned embodiments are the preferred embodiments of the present application, which are only used to facilitate the description of the present application and do not limit the present application in any form. Any person skilled in the art can make partial changes or modifications to the equivalent embodiments within the scope of the technical features disclosed by the present application without departing from the technical features of the present application, and the equivalent embodiments still belong to the scope of the technical features of the present application.

Claims

1. A multi-functional magnetic levitation vertical axis device, characterized by, Comprising The support mechanism (1) comprises a shielded shell (101), a rotating shaft (111) is penetrated in the shielded shell (101), a lower annular support plate (102) is fixedly connected to the inner wall of the shielded shell (101), a lower permanent magnet (103) is fixedly connected to the top of the lower annular support plate (102), the rotating shaft (111) penetrates the lower annular support plate (102) and the lower permanent magnet (103), an upper annular support plate (104) is fixedly connected to the outer side of the rotating shaft (111), and an upper permanent magnet (105) corresponding to the lower permanent magnet (103) is fixedly connected to the bottom of the upper annular support plate (104); The centering mechanism (2) comprises shaft cylinders (201) fixedly connected to the two sides of the shielded shell (101) in a symmetrical manner, the shielded shell (101) penetrates two groups of shaft cylinders (201), the inner walls of the two groups of shaft cylinders (201) are in annular arrays and detachably connected with a plurality of outer permanent magnets (202), the outer walls of the rotating shaft (111) are in annular arrays and fixedly connected with a plurality of inner magnets (203) on both sides, and each group of inner magnets (203) corresponds to each group of outer permanent magnets (202).

2. A multi-functional magnetic levitation vertical axis device according to claim 1, characterized in that, A plurality of reinforcing rib plates (107) are fixedly connected to the bottom of the lower annular support plate (102) in an annular array, and each group of reinforcing rib plates (107) is fixedly connected with the inner wall of the shielded shell (101).

3. A multi-functional magnetic levitation vertical axis device according to claim 1, wherein, A conical seat (106) is fixedly connected to the top of the upper annular support plate (104), and the conical seat (106) is fixedly connected with the rotating shaft (111).

4. A multi-functional magnetic levitation vertical axis device according to claim 1, wherein, A fall-preventing cylinder (109) is fixedly connected to the bottom of the upper annular support plate (104), the fall-preventing cylinder (109) is sleeved on the outer side of the upper permanent magnet (105), a plurality of first rolling balls (110) are movably connected to the bottom of the upper permanent magnet (105) in an annular array, and a fall-preventing ring (108) fixedly connected with the inner wall of the shielded shell (101) is arranged below the fall-preventing cylinder (109).

5. The multi-functional magnetic levitation vertical axis device according to claim 1, wherein, Each group of outer permanent magnets (202) is rotatably connected with an adjusting screw (204) away from the inner magnets (203), and the adjusting screw (204) is threadedly connected with the shaft cylinder (201).

6. A multi-functional magnetic levitation vertical axis device according to claim 5, wherein, Symmetrical guide columns (205) are fixedly connected to the side of the outer permanent magnet (202) away from the inner magnet (203), and each group of guide columns (205) is slidably connected with the shaft cylinder (201).

7. The multi-functional magnetic levitation vertical axis device according to claim 1, wherein, A retaining ring (206) is fixedly connected to the inner wall of each of the two groups of shaft cylinders (201), a plurality of second rolling balls (207) are movably connected in an annular array in the inner part of each of the two groups of retaining rings (206), and the rotating shaft (111) penetrates the two groups of retaining rings (206).

Images