CN216867311U - Magnetic bearing with automatic rotor deviation correction function - Google Patents

Abstract

The utility model relates to the technical field of magnetic bearings, in particular to a magnetic bearing with a function of automatically correcting rotor deviation, which comprises a shell, wherein an installation mechanism with a bearing body is arranged on the shell, the installation mechanism comprises the bearing body, a bolt, a cover plate, a sliding groove and a sliding block, and the bearing body is movably sleeved on the shell. When the skew takes place for the position through as the rotor, can extrude pressure sensor, pressure sensor gives the controller with signal transmission, miniature electric putter's output carries out concertina movement, the arc push pedal is rectified the rotor, the effect of automatic rotor position work of rectifying has been reached, guarantee the normal operating of equipment, through unscrewing the bolt, open the apron, take out the bearing body, through taking out the slider, change radial solenoid or axial solenoid, in putting each part back the casing, reached and conveniently carried out the dismouting to the device, conveniently maintain the change, reduce the waste of material, reduce cost of maintenance's effect.

Description

Magnetic bearing with automatic rotor deviation correction function

Technical Field

The utility model relates to the technical field of magnetic bearings, in particular to a magnetic bearing with a function of automatically correcting rotor deviation.

Background

The magnetic bearing is a novel high-performance bearing, compared with the traditional ball bearing, sliding bearing and oil film bearing, the magnetic bearing has no mechanical contact, the rotor can reach very high running speed, and the magnetic bearing has the advantages of small mechanical wear, low energy consumption, small noise, long service life, no need of lubrication, no oil pollution and the like, and is particularly suitable for special environments such as high speed, vacuum, ultra-clean and the like.

The existing magnetic bearing has rotor offset in the use process, which not only reduces the working effect of the magnetic bearing, but also even seriously causes the damage of the magnetic bearing; the existing magnetic bearings are troublesome to install and disassemble, and when coil faults occur, the bearings are directly replaced, so that waste is caused, and the use cost is increased.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a magnetic bearing having a function of automatically correcting a rotor offset, which solves the above-mentioned problems of the related art. In order to achieve the purpose, the utility model provides the following technical scheme: the magnetic bearing with the function of automatically correcting the offset of the rotor comprises a shell, wherein an installation mechanism with a bearing body is arranged on the shell, and a correction mechanism with an installation sleeve is arranged on the shell.

Preferably, installation mechanism includes bearing body, bolt, apron, spout and slider, the bearing body has been cup jointed in the activity on the casing, the casing has the apron through bolt threaded connection, a side overlap joint of apron is on one side surface of bearing body, the spout has been seted up on the bearing body, sliding connection has the slider in the spout, the bottom fixedly connected with radial solenoid and the dead lever of slider, fixedly connected with axial solenoid on the dead lever.

Preferably, correct the mechanism and include installation sleeve, miniature electric putter, arc push pedal, pressure sensor and controller, installation sleeve fixed connection is on one side surface of casing, fixed mounting has miniature electric putter on the telescopic inner wall of installation, miniature electric putter's output fixedly connected with arc push pedal, the through-hole has been seted up on the casing, the fixed embedding of pressure sensor is installed in the through-hole, the common fixed mounting of controller is on casing and the telescopic top of installation, the rotor activity runs through casing and installation sleeve.

Preferably, the number of the bolts is four, and the four bolts are symmetrically distributed on the cover plate in a rectangular shape.

Preferably, one end of the sliding block is in lap joint with the outer surface of the inner side of the cover plate, and the sliding block is connected with the shell in a buckling mode through the cover plate.

Preferably, the controller is respectively and electrically connected with pressure sensor and miniature electric putter, miniature electric putter's quantity is four, four miniature electric putter symmetric distribution is in the inside of installing the sleeve.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, when the position of the rotor deviates, the pressure sensor is extruded, the pressure sensor transmits a signal to the controller, the output end of the miniature electric push rod performs telescopic motion, and the arc-shaped push plate corrects the rotor, so that the effect of automatically correcting the rotor position is achieved, and the normal operation of equipment is ensured.

According to the utility model, the cover plate is opened by unscrewing the bolts, the bearing body is taken out, the radial electromagnetic coil or the axial electromagnetic coil is replaced by taking out the sliding block, and all the components are arranged in the shell, so that the effects of conveniently disassembling and assembling the device, conveniently maintaining and replacing, reducing material waste and reducing maintenance cost are achieved.

Drawings

FIG. 1 is a front sectional view schematically illustrating the structure of the present invention;

FIG. 2 is a schematic perspective view of the present invention;

FIG. 3 is an enlarged view of a portion of the structure of FIG. 1;

fig. 4 is a schematic view of a part of the enlarged structure at B in fig. 1 according to the present invention.

In the figure: 1. a housing; 2. a bearing body; 3. a bolt; 4. a cover plate; 5. a chute; 6. a slider; 7. a radial electromagnetic coil; 8. an axial electromagnetic coil; 9. installing a sleeve; 10. a miniature electric push rod; 11. an arc-shaped push plate; 12. a pressure sensor; 13. a controller; 14. a rotor; 15. and (5) fixing the rod.

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 obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution: the magnetic bearing with the function of automatically correcting the rotor offset comprises a shell 1, wherein a mounting mechanism with a bearing body 2 is arranged on the shell 1, and a correction mechanism with a mounting sleeve 9 is arranged on the shell 1.

In this embodiment, as shown in fig. 1, fig. 2, fig. 3, and fig. 4, the mounting mechanism includes a bearing body 2, a bolt 3, a cover plate 4, a chute 5, and a slider 6, the bearing body 2 is movably sleeved on the housing 1, the housing 1 is connected to the cover plate 4 through the bolt 3 by a thread, a side surface of the cover plate 4 is overlapped on an outer surface of one side of the bearing body 2, the chute 5 is provided on the bearing body 2, the slider 6 is slidably connected in the chute 5, a radial electromagnetic coil 7 and a fixing rod 15 are fixedly connected to a bottom end of the slider 6, and an axial electromagnetic coil 8 is fixedly connected to the fixing rod 15.

In this embodiment, as shown in fig. 1, fig. 2 and fig. 4, the correction mechanism includes a mounting sleeve 9, a miniature electric push rod 10, an arc push pedal 11, a pressure sensor 12 and a controller 13, the mounting sleeve 9 is fixedly connected to the outer surface of one side of the casing 1, the miniature electric push rod 10 is fixedly mounted on the inner wall of the mounting sleeve 9, the output end of the miniature electric push rod 10 is fixedly connected with the arc push pedal 11, a through hole is formed in the casing 1, the pressure sensor 12 is fixedly embedded in the through hole, the controller 13 is fixedly mounted on the top ends of the casing 1 and the mounting sleeve 9, and the rotor 14 movably penetrates through the casing 1 and the mounting sleeve 9.

In this embodiment, as shown in fig. 1, 2 and 3, four bolts 3 are provided, and the four bolts 3 are symmetrically distributed on the cover plate 4 in a rectangular shape.

In this embodiment, as shown in fig. 1 and 2, one end of the slider 6 overlaps the inner outer surface of the cover plate 4, and the slider 6 is connected to the housing 1 by the cover plate 4.

In this embodiment, as shown in fig. 1, the controller 13 is electrically connected to the pressure sensor 12 and the micro electric push rods 10, the number of the micro electric push rods 10 is four, and the four micro electric push rods 10 are symmetrically distributed inside the mounting sleeve 9.

The use method and the advantages of the utility model are as follows: when the magnetic bearing with the function of automatically correcting the rotor offset is used, the working process is as follows:

as shown in fig. 1, fig. 2, fig. 3 and fig. 4, the device is firstly installed at a designated position, then the device is powered on to enable the rotor 14 to rotate, when the position of the rotor 14 deviates, the pressure sensor 12 located in the through hole of the shell 1 is extruded, the pressure sensor 12 transmits a signal to the controller 13, the controller 13 controls the output end of the miniature electric push rod 10 to perform telescopic motion, the arc-shaped push plate 11 corrects the position of the rotor 14, the pressure sensor 12 is separated from the rotor 14, the rotor 14 returns to a correct position, the effect of automatically performing deviation correction work on the position of the rotor 14 is achieved, the normal operation of the device is ensured, and the problems that the rotor 14 deviates in the use process of the existing magnetic bearing, the working effect of the magnetic bearing is reduced, and even the magnetic bearing is seriously damaged are solved.

When the coil in the device takes place to damage, through unscrewing bolt 3, open apron 4, take out bearing body 2, through taking out slider 6, change radial solenoid 7 or axial solenoid 8, in putting back casing 1 with each part, reached conveniently carry out the dismouting to the device, conveniently maintain and change, reduce the waste of material, reduce cost of maintenance's effect, current magnetic bearing when installation and dismantlement has been solved, it is very troublesome, generally when meetting the coil trouble, generally be the bearing of direct renewal, lead to extravagantly, make use cost rise the problem.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. Magnetic bearing with function of automatically correcting rotor offset, comprising a housing (1), characterized in that: the bearing shell is characterized in that an installation mechanism with a bearing body (2) is arranged on the shell (1), and a correction mechanism with an installation sleeve (9) is arranged on the shell (1).

2. The magnetic bearing with automatic rotor misalignment correction function according to claim 1, wherein: the mounting mechanism comprises a bearing body (2), a bolt (3), a cover plate (4), a sliding groove (5) and a sliding block (6), the bearing body (2) is movably sleeved on the shell (1), the shell (1) is connected with the cover plate (4) through the bolt (3) in a threaded manner, one side surface of the cover plate (4) is overlapped on the outer surface of one side of the bearing body (2), the sliding groove (5) is formed in the bearing body (2), the sliding block (6) is connected in the sliding groove (5), the bottom end of the sliding block (6) is fixedly connected with a radial electromagnetic coil (7) and a fixed rod (15), and the fixed rod (15) is fixedly connected with an axial electromagnetic coil (8).

3. The magnetic bearing with automatic rotor misalignment correction function according to claim 1, wherein: correct the mechanism including installation sleeve (9), miniature electric putter (10), arc push pedal (11), pressure sensor (12) and controller (13), installation sleeve (9) fixed connection is on one side surface of casing (1), fixed mounting has miniature electric putter (10) on the inner wall of installation sleeve (9), the output fixedly connected with arc push pedal (11) of miniature electric putter (10), the through-hole has been seted up on casing (1), pressure sensor (12) fixed embedding is installed in the through-hole, the common fixed mounting in the top of casing (1) and installation sleeve (9) of controller (13), casing (1) and installation sleeve (9) are run through in rotor (14) activity.

4. The magnetic bearing with automatic rotor misalignment correction function according to claim 2, wherein: the number of the bolts (3) is four, and the four bolts (3) are symmetrically distributed on the cover plate (4) in a rectangular shape.

5. The magnetic bearing with automatic rotor misalignment correction function according to claim 2, wherein: one end of the sliding block (6) is in lap joint with the outer surface of the inner side of the cover plate (4), and the sliding block (6) is connected with the shell (1) in a buckling mode through the cover plate (4).

6. The magnetic bearing with automatic rotor misalignment correction function according to claim 3, wherein: the controller (13) is respectively electrically connected with the pressure sensor (12) and the miniature electric push rods (10), the number of the miniature electric push rods (10) is four, and the miniature electric push rods (10) are symmetrically distributed in the installation sleeve (9).

Images