CN218001087U

CN218001087U - Magnetic suspension bearing displacement sensor

Info

Publication number: CN218001087U
Application number: CN202221820966.6U
Authority: CN
Inventors: 杨丽; 刘谨都
Original assignee: Shanghai Xin Jian New Energy Technology Co ltd
Current assignee: Shanghai Xin Jian New Energy Technology Co ltd
Priority date: 2022-07-15
Filing date: 2022-07-15
Publication date: 2022-12-09
Anticipated expiration: 2032-07-15

Abstract

The utility model discloses a magnetic suspension bearing displacement sensor, including the magnetic suspension bearing body, magnetic suspension bearing body internally mounted has the bearing inner circle, and the spout has been seted up to bearing inner circle inboard, and the inside slide card of spout is equipped with solid fixed sliding block, and displacement sensor is installed to solid fixed sliding block one side, and the slide opening has been seted up to the bearing inner circle lateral wall, and the locating lever is installed to solid fixed sliding block both sides, and the locating lever slides and sets up in the slide opening, and locating lever one end is passed through stop nut and is connected fixedly, and the spiral shell sword dismouting groove has been seted up in the locating lever one end outside, the utility model discloses a spout that the bearing inner circle was equipped with, slide opening, locating lever and solid fixed sliding block, displacement sensor fixed mounting is in solid fixed sliding block one side for be convenient for fix the displacement sensor installation in the magnetic suspension bearing inboard, easy dismounting is swift moreover, is convenient for adjust whole displacement sensor's mounted position simultaneously, improves the flexibility that the installation location was used.

Description

Magnetic suspension bearing displacement sensor

Technical Field

The utility model relates to a magnetic suspension bearing sensor technical field specifically is a magnetic suspension bearing displacement sensor.

Background

The magnetic suspension bearing sensor is used for controlling a bearing consisting of permanent magnets or electromagnets and forms a numerical control magnetic bearing system in a matching way. The principle is that the magnetic induction lines are vertical to the magnetic suspension lines, the shaft core is parallel to the magnetic suspension lines, so that the weight of the rotor is fixed on a running track, and the shaft core almost without load is propped against the direction of the magnetic suspension lines to form that the whole rotor is suspended in the air and is on the fixed running track. For all the optional machines, the rotating speed of the rotating machine shaft needs to be monitored, which is an important index for measuring the normal operation of the machine. The magnetic suspension bearing has the advantages of responding to zero rotating speed and high rotating speed and having very strong anti-interference performance.

In the reversing buffer device of the high-speed cartridge valve, which is disclosed in the application number of CN202010755730.8 in the prior art, when the valve core moves towards the control cover plate or the valve sleeve, the first buffer body or the second buffer body correspondingly absorbs most of the impact force, so that the vibration caused by large impact on the control cover plate, the valve sleeve and equipment when the cartridge valve core of the cartridge valve reverses is reduced, the service life of the valve core is prolonged, the sealing performance of the cartridge valve is ensured, and the safety and reliability of the equipment are improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a magnetic suspension bearing displacement sensor to it is not convenient for fix the displacement sensor installation in the magnetic suspension bearing inboard to solve among the prior art, and the dismouting is inconvenient moreover, installs the relatively poor problem of positional stability.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a magnetic suspension bearing displacement sensor, includes the magnetic suspension bearing body, magnetic suspension bearing body internally mounted has the bearing inner race, the spout has been seted up to the bearing inner race inboard, the inside slip card of spout is equipped with solid fixed sliding block, solid fixed sliding block installs displacement sensor in one side, the slide opening has been seted up to the bearing inner race lateral wall, the locating lever is installed to solid fixed sliding block both sides, and the locating lever slides and set up in the slide opening, locating lever one end is connected fixedly through stop nut, spiral shell sword dismouting groove has been seted up to the locating lever one end outside.

Furthermore, the fixed sliding blocks and the displacement sensors are provided with a plurality of groups on the inner wall of the bearing inner ring.

Furthermore, the slide hole is set to be an arc-shaped hole, and the aperture of the slide hole is larger than the outer diameter of the positioning rod.

Furthermore, locating holes are installed at two ends of the fixed sliding block, and a connecting rod is installed at one end of the locating rod.

Furthermore, an internal thread is formed inside the positioning hole, an external thread is formed outside the connecting rod, and the positioning hole and the connecting rod are installed in a threaded mode.

Furthermore, the locating lever is symmetrical about the fixed slide block and is provided with a gasket on the inner side of the limiting nut.

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

1. the utility model discloses a spout, slide opening, locating lever and the solid fixed sliding block that the bearing inner circle was equipped with, locating lever one end is passed through limit nut and is connected fixedly, and displacement sensor fixed mounting is in solid fixed sliding block one side for be convenient for fix the displacement sensor installation in the magnetic suspension bearing inboard, easy dismounting is swift moreover, and installation positioning stability is higher.

2. The utility model discloses a slide opening has been seted up to bearing inner circle lateral wall, and the locating lever is installed to the solid fixed sliding block both sides, and the locating lever slides and sets up in the slide opening for adjust the position of solid fixed sliding block in the spout, be convenient for adjust whole displacement sensor's mounted position, improve the flexibility that sensor installation location used.

3. The utility model discloses a locating hole is installed at the solid fixed sliding block both ends, and the connecting rod is installed to locating lever one end, and locating hole and connecting rod screw thread installation for be convenient for carry out dismouting location processing between locating lever and the solid fixed sliding block.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the connection structure of the fixed slide block and the positioning rod of the present invention;

FIG. 3 is a schematic view of the positioning rod of the present invention;

fig. 4 is a schematic view of the structure of the fixed slider of the present invention.

In the figure: 1. a magnetic suspension bearing body; 2. a bearing inner race; 3. a slide hole; 4. fixing the sliding block; 5. positioning a rod; 6. a displacement sensor; 7. a chute; 8. a connecting rod; 9. positioning holes; 10. a screwdriver dismounting groove; 11. and a limiting nut.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Please refer to fig. 1, fig. 2, fig. 3, fig. 4, in an embodiment of the present invention, a magnetic suspension bearing displacement sensor, including a magnetic suspension bearing body 1, a bearing inner ring 2 is installed inside the magnetic suspension bearing body 1, a sliding groove 7 has been seted up on the inner side of the bearing inner ring 2, a sliding card inside the sliding groove 7 is equipped with a fixed slider 4, a displacement sensor 6 is installed on one side of the fixed slider 4, the fixed slider 4 and the displacement sensor 6 are provided with a plurality of groups on the inner wall of the bearing inner ring 2, so that the displacement sensor 6 is conveniently installed and fixed inside the magnetic suspension bearing, and the installation and positioning stability is high, a sliding hole 3 has been seted up on the side wall of the bearing inner ring 2, a positioning rod 5 is installed on both sides of the fixed slider 4, and the positioning rod 5 is slidingly disposed in the sliding hole 3, so that the position of the fixed slider 4 in the sliding groove 7 is adjusted, so that the installation position of the whole displacement sensor 6 is conveniently adjusted, the flexibility of the installation and positioning of the sensor is improved, one end of the positioning rod 5 is connected and fixed through a limit nut 11, a screwdriver 5, a screwdriver is provided outside the screwdriver dismounting groove 10 has been seted up on the positioning rod 5, and positioning treatment.

Preferably, the slide hole 3 is set to be an arc-shaped hole, and the aperture of the slide hole 3 is larger than the outer diameter of the positioning rod 5, so that the positioning rod 5 is conveniently arranged in the slide hole 3 in a sliding manner, and the stability of the installation and the positioning of the fixed sliding block 4 is conveniently improved.

Preferably, locating holes 9 are installed at two ends of the fixed sliding block 4, the connecting rod 8 is installed at one end of the locating rod 5, internal threads are arranged inside the locating holes 9, external threads are arranged on the outer side of the connecting rod 8, and the locating holes 9 and the connecting rod 8 are installed in a threaded mode, so that the locating treatment of dismounting and mounting between the locating rod 5 and the fixed sliding block 4 is facilitated.

Preferably, the locating rod 5 is symmetrically arranged relative to the fixed sliding block 4, and the gasket is installed on the inner side of the limiting nut 11, so that the stability of installing and locating the two sides of the fixed sliding block 4 is improved conveniently.

The utility model discloses a theory of operation and use flow: through the sliding groove 7, the sliding hole 3, the positioning rod 5 and the fixed sliding block 4 which are arranged on the bearing inner ring 2, one end of the positioning rod 5 is fixedly connected through the limiting nut 11, and the displacement sensor 6 is fixedly arranged on one side of the fixed sliding block 4, so that the displacement sensor 6 is convenient to install and fix on the inner side of the magnetic suspension bearing, the assembly and disassembly are convenient and rapid, and the installation and positioning stability is high; meanwhile, the positioning rod 5 is arranged in the sliding hole 3 in a sliding mode, so that the position of the fixed sliding block 4 in the sliding groove 7 is adjusted, the installation position of the whole displacement sensor 6 is convenient to adjust, and the flexibility of installation, positioning and use of the sensor is improved.

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 described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a magnetic bearing displacement sensor, includes magnetic bearing body (1), its characterized in that: magnetic suspension bearing body (1) internally mounted has bearing inner race (2), spout (7) have been seted up to bearing inner race (2) inboard, the inside slip card of spout (7) is equipped with solid fixed sliding block (4), solid fixed sliding block (4) one side-mounting has displacement sensor (6), slide opening (3) have been seted up to bearing inner race (2) lateral wall, locating lever (5) are installed to solid fixed sliding block (4) both sides, and locating lever (5) slide to set up in slide opening (3), locating lever (5) one end is passed through stop nut (11) and is connected fixedly.

2. A magnetic bearing displacement sensor according to claim 1, wherein: and a plurality of groups of fixed sliding blocks (4) and displacement sensors (6) are arranged on the inner wall of the bearing inner ring (2).

3. A magnetic bearing displacement sensor as claimed in claim 1, wherein: the sliding holes (3) are arranged to be arc-shaped holes, and the aperture of each sliding hole (3) is larger than the outer diameter of each positioning rod (5).

4. A magnetic bearing displacement sensor according to claim 1, wherein: locating holes (9) are installed at two ends of the fixed sliding block (4), and a connecting rod (8) is installed at one end of the locating rod (5).

5. A magnetic bearing displacement sensor according to claim 4, wherein: an internal thread is formed in the positioning hole (9), an external thread is formed in the outer side of the connecting rod (8), and the positioning hole (9) and the connecting rod (8) are installed in a threaded mode.

6. A magnetic bearing displacement sensor according to claim 1, wherein: the positioning rods (5) are symmetrically arranged relative to the fixed sliding blocks (4), and the inner sides of the limiting nuts (11) are provided with gaskets.