CN215333990U

CN215333990U - Magnetic fluid suspension bearing

Info

Publication number: CN215333990U
Application number: CN202120228884.1U
Authority: CN
Inventors: 何东方
Original assignee: Xiangyang Hefa Bearing Co ltd
Current assignee: Xiangyang Hefa Bearing Co ltd
Priority date: 2021-01-27
Filing date: 2021-01-27
Publication date: 2021-12-28
Anticipated expiration: 2031-01-27

Abstract

The utility model discloses a magnetic fluid suspension bearing which comprises a bearing sleeve and a fixed plate, wherein the bearing sleeve is fixedly connected with the side wall of the fixed plate, push blocks are fixedly connected to two sides of the fixed plate, a rotating shaft is arranged in the bearing sleeve, one end of the rotating shaft penetrates through the bearing sleeve and extends to the outside, a mounting plate is fixedly connected to the rotating shaft, a mounting seat is arranged below the bearing sleeve, a rotating rod is rotatably connected to the center of the upper surface of the mounting seat, a plurality of threaded rods are fixedly connected to the upper surface of the mounting seat in an annular shape, rotating wheels and fixing sleeves are sleeved on the outer surfaces of the plurality of threaded rods, and fixing grooves are formed in two sides of the lower surface of the fixed plate. According to the utility model, the integral angle of the bearing can be manually adjusted according to specific use conditions so as to facilitate subsequent installation and butt joint, repeated installation and disassembly are not required, external rotating shafts with different sizes can be attached and fixed, and the bearing is more flexible to use and wider in application range.

Description

Magnetic fluid suspension bearing

Technical Field

The utility model relates to the technical field of magnetic suspension bearings, in particular to a magnetic fluid suspension bearing.

Background

The magnetic fluid bearing is a sliding bearing which uses conductive fluid as lubricant and has an external magnetic field. The direction of the magnetic field is perpendicular to the flowing direction of the conductive fluid, and the fluid generates induced current under the action of the magnetic field. The lorentz force generated by the interaction of the induced current and the magnetic field retards fluid motion and thereby multiplies the equivalent viscosity of the fluid. The bearing capacity of the magnetofluid bearing is much higher than that of the common fluid lubrication bearing;

the existing magnetic fluid suspension bearing is usually fixedly arranged, is not convenient to move and adjust after being installed at a target position and adjusts the installation angle, and needs a rotating shaft to adapt to the installation position of the bearing.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a magnetic fluid suspension bearing.

In order to achieve the purpose, the utility model adopts the following technical scheme: a magnetic fluid suspension bearing comprises a bearing sleeve and a fixed plate, wherein the bearing sleeve is fixedly connected with the side wall of the fixed plate, push blocks are fixedly connected to the two sides of the fixed plate, a rotating shaft is arranged in the bearing sleeve, one end of the rotating shaft penetrates through the bearing sleeve and extends to the outside, a mounting plate is fixedly connected with the bearing sleeve, a mounting seat is arranged below the bearing sleeve, a rotating rod is rotatably connected to the central position of the upper surface of the mounting seat, a plurality of threaded rods are fixedly connected to the upper surface of the mounting seat in an annular manner, rotating wheels and fixing sleeves are sleeved on the outer surfaces of the threaded rods, fixing grooves are formed in the two sides of the lower surface of the fixed plate, a mounting cavity is formed in the mounting plate, two mounting rings are symmetrically arranged in the mounting cavity, adjusting grooves are formed in the two sides of the inner wall of the mounting cavity, and adjusting plates and springs are arranged in the two adjusting grooves, two equal fixedly connected with connecting rod in one side that the collar is close to the adjustment tank, and two connecting rods all extend to inside and the adjusting plate fixed connection of adjustment tank.

As a further description of the above technical solution:

the inner wall of the bearing sleeve is provided with a fixed gear ring, the outer surface of the rotating shaft is provided with a movable gear ring, and magnetic fluid is filled between the fixed gear ring and the annular convex teeth of the movable gear ring.

As a further description of the above technical solution:

the top end of the rotating rod is fixedly connected with the lower surface of the fixing plate.

As a further description of the above technical solution:

the rotating wheels are respectively in threaded sleeve connection with the outer surfaces of the threaded rods, and the fixing sleeves are respectively fixedly connected with the upper surfaces of the rotating wheels.

As a further description of the above technical solution:

two the one end of spring all with adjustment tank inner wall fixed connection, and the other end of two springs all with adjusting plate fixed connection.

As a further description of the above technical solution:

the both sides of adjustment tank all are provided with the spout, two the both ends of regulating plate all pass through spout and adjustment tank inner wall sliding connection.

As a further description of the above technical solution:

and one side of each mounting ring, which is far away from the connecting rod, is provided with a rubber pad.

The utility model has the following beneficial effects:

1. this magnetic fluid suspension bearing, through ejector pad, fixed plate, fixed slot, threaded rod, mount pad, bull stick, fixed sleeve and the runner that sets up, bearing integral erection is fixed back, can fix according to the manual rolling bearing of concrete in service behavior and through fixed sleeve, adjusts bearing self angle in a flexible way so that the installation butt joint adjustment of follow-up different pivot, can remain stable simultaneously, need not to carry out a lot of installation dismantlements repeatedly, uses comparatively convenient stability.

2. This magnetic fluid suspension bearing through installation cavity, collar, adjustment tank, spring, regulating plate, connecting rod and the spout that sets up, need not to dismantle the inside pivot of bearing and can dock fixedly to not unidimensional pivot according to the user demand, does not influence the inside magnetic fluid stability of bearing, has simplified the pivot installation and has dismantled the operation, uses more nimble hommization, and application scope is wider.

Drawings

FIG. 1 is a top view of the present invention;

FIG. 2 is a main sectional view of the present invention;

fig. 3 is a cross-sectional view of the mounting plate of the present invention.

Illustration of the drawings:

1. a bearing housing; 2. a fixing plate; 3. fixing a gear ring; 4. a movable gear ring; 5. a rotating shaft; 6. mounting a plate; 7. a push block; 8. fixing grooves; 9. a threaded rod; 10. a mounting seat; 11. a rotating rod; 12. a rotating wheel; 13. fixing the sleeve; 14. a mounting cavity; 15. a mounting ring; 16. an adjustment groove; 17. a spring; 18. an adjusting plate; 19. a connecting rod; 20. a chute.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, one embodiment of the present invention is provided: a magnetic fluid suspension bearing comprises a bearing sleeve 1 and a fixed plate 2, wherein the bearing sleeve 1 is fixedly connected with the side wall of the fixed plate 2, both sides of the fixed plate 2 are fixedly connected with push blocks 7, a rotating shaft 5 is arranged inside the bearing sleeve 1, one end of the rotating shaft 5 penetrates through the bearing sleeve 1 and extends to the outside, a mounting plate 6 is fixedly connected with the bearing sleeve, a mounting seat 10 is arranged below the bearing sleeve 1, a rotating rod 11 is rotatably connected to the central position of the upper surface of the mounting seat 10, a plurality of threaded rods 9 are fixedly connected to the upper surface of the mounting seat 10 in an annular shape, a rotating wheel 12 and a fixing sleeve 13 are sleeved on the outer surfaces of the plurality of threaded rods 9, both sides of the lower surface of the fixed plate 2 are respectively provided with a fixing groove 8, a mounting cavity 14 is arranged inside the mounting plate 6, two mounting rings 15 are symmetrically arranged inside the mounting cavity 14, both sides of the inner wall of the mounting cavity 14 are respectively provided with an adjusting groove 16, an adjusting plate 18 and a spring 17 are arranged inside the two adjusting grooves 16, the two mounting rings 15 are fixedly connected with connecting rods 19 on the sides close to the adjusting grooves 16, and the two connecting rods 19 extend into the adjusting grooves 16 and are fixedly connected with the adjusting plates 18.

The inner wall of the bearing sleeve 1 is provided with a fixed gear ring 3, the outer surface of the rotating shaft 5 is provided with a movable gear ring 4, magnetic fluid is filled between annular convex teeth of the fixed gear ring 3 and the movable gear ring 4, the rotor is suspended through the magnetic fluid and can rotate at high speed, mechanical abrasion is small, and energy consumption is low;

the top end of the rotating rod 11 is fixedly connected with the lower surface of the fixed plate 2, the fixed plate 2 is driven to rotate through the rotating rod 11, the fixed plate 2 can be manually rotated according to specific use requirements, and the angle of the bearing is adjusted to splice and fix different external rotating shafts;

the rotating wheels 12 are respectively in threaded sleeve joint with the outer surfaces of the threaded rods 9, the fixed sleeves 13 are respectively fixedly connected with the upper surfaces of the rotating wheels 12, the fixed sleeves 13 are driven to lift by manually rotating the rotating wheels 12, the fixed plate 2 is fixed, and accidental rotation and deviation after adjustment are prevented;

one ends of the two springs 17 are fixedly connected with the inner wall of the adjusting groove 16, the other ends of the two springs 17 are fixedly connected with the adjusting plate 18, the springs 17 can support the mounting ring 15, and meanwhile, the mounting ring is compressed and attached to adapt to external rotating shafts with different sizes, so that the application range is wide;

the sliding grooves 20 are formed in the two sides of the adjusting groove 16, and the two ends of each adjusting plate 18 are connected with the inner wall of the adjusting groove 16 in a sliding mode through the sliding grooves 20, so that the adjusting plates 18 are kept stable, and meanwhile, the adjusting plates can be directionally moved and fit with external rotating shafts of different sizes, and the use is convenient;

one side that connecting rod 19 was kept away from to two collars 15 all is provided with the rubber pad, can increase the friction, and it is comparatively stable with outside pivot concatenation is fixed, can provide the protection simultaneously, avoids causing outside pivot surface wear.

The working principle is as follows: when using magnetic fluid suspension bearing, it is fixed with the target location installation that the bearing is whole through mount pad 10, promote ejector pad 7 according to the angle of outside pivot during installation with outside pivot concatenation, make fixed plate 2 drive bearing housing 1 and rotate to suitable angle, the runner 12 of the corresponding position of manual rotation after finishing adjusting, make runner 12 rise along the 9 directions of threaded rod, it rises to the inside fixed plate 2 of fixed slot 8 to drive the top of fixed sleeve 13, after fixed accomplishing, put into the inside two mount rings 15 of installation cavity 14 with outside pivot between, when outside pivot size is great, oppress two mount rings 15 directional movements, drive connecting rod 19 and adjusting plate 18 compression spring 17 and then enlarge the distance between two mount rings 15, it is fixed to laminate to outside pivot.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a magnetic fluid suspension bearing, includes bearing housing (1) and fixed plate (2), its characterized in that: the bearing sleeve (1) is fixedly connected with the side wall of the fixed plate (2), push blocks (7) are fixedly connected to the two sides of the fixed plate (2), a rotating shaft (5) is arranged in the bearing sleeve (1), one end of the rotating shaft (5) penetrates through the bearing sleeve (1) and extends to the outside, a mounting plate (6) is fixedly connected with the rotating shaft, a mounting seat (10) is arranged below the bearing sleeve (1), a rotating rod (11) is rotatably connected to the center of the upper surface of the mounting seat (10), a plurality of threaded rods (9) are fixedly connected to the upper surface of the mounting seat (10) in an annular shape, a rotating wheel (12) and a fixing sleeve (13) are sleeved on the outer surface of each threaded rod (9), fixing grooves (8) are formed in the two sides of the lower surface of the fixed plate (2), a mounting cavity (14) is formed in the mounting plate (6), and two mounting rings (15) are symmetrically arranged in the mounting cavity (14), adjustment tank (16), two have all been seted up to the inner wall both sides of installation cavity (14) the inside of adjustment tank (16) all is provided with regulating plate (18) and spring (17), two equal fixedly connected with connecting rod (19) in one side that collar (15) are close to adjustment tank (16), and two connecting rod (19) all extend to inside and regulating plate (18) fixed connection of adjustment tank (16).

2. A magnetic fluid suspension bearing according to claim 1 wherein: the inner wall of the bearing sleeve (1) is provided with a fixed gear ring (3), the outer surface of the rotating shaft (5) is provided with a movable gear ring (4), and magnetic fluid is filled between the fixed gear ring (3) and the annular convex teeth of the movable gear ring (4).

3. A magnetic fluid suspension bearing according to claim 1 wherein: the top end of the rotating rod (11) is fixedly connected with the lower surface of the fixing plate (2).

4. A magnetic fluid suspension bearing according to claim 1 wherein: the rotating wheels (12) are respectively in threaded sleeve connection with the outer surfaces of the threaded rods (9), and the fixing sleeves (13) are respectively fixedly connected with the upper surfaces of the rotating wheels (12).

5. A magnetic fluid suspension bearing according to claim 1 wherein: two the one end of spring (17) all with adjustment tank (16) inner wall fixed connection, and the other end of two springs (17) all with regulating plate (18) fixed connection.

6. A magnetic fluid suspension bearing according to claim 1 wherein: both sides of adjustment tank (16) all are provided with spout (20), two the both ends of regulating plate (18) all are through spout (20) and adjustment tank (16) inner wall sliding connection.

7. A magnetic fluid suspension bearing according to claim 1 wherein: two one sides of the mounting rings (15) far away from the connecting rod (19) are provided with rubber pads.