Novel radial magnetic bearing rotor integrated structure

Abstract

The utility model discloses a novel radial magnetic bearing rotor integrated structure, which comprises a rotor and an integrated mechanism, the integrated mechanism comprises a metal sleeve, the outer wall of the circumference of the tail end of one side of the metal sleeve is sleeved with a first separation blade, and the outer wall of the circumference of the middle of the metal sleeve is fixedly connected with a baffle plate. The circumferential outer wall of the metal sleeve is fixedly connected with a radial displacement sensor sensing lamination on one side of the baffle plate, the circumferential outer wall of the metal sleeve is fixedly connected with a radial magnetic bearing rotor lamination on the other side of the baffle plate, and the circumferential outer wall of the tail end of the other side of the metal sleeve is sleeved with a second baffle plate and a fixing mechanism; the fixing mechanism comprises mounting holes formed in the metal sleeve and an inner cavity of the first blocking piece, a fixing cylinder is fixedly connected to the inner wall of the mounting hole of the inner cavity of the first blocking piece, and a button is slidably connected to the circumferential inner wall of the fixing cylinder. The rotor has the advantages that part of parts are integrated with the rotor, subsequent installation of the rotor is facilitated, and the number of installation steps of the parts is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of magnetic bearings, in particular to a novel radial magnetic bearing rotor integrated structure. Background Art

[0002] The use of magnetic bearings mainly relies on electromagnetic force to suspend the rotor in the air, so that there is no mechanical contact between it and the stator. This design makes magnetic bearings have the advantages of no friction, low wear, low energy consumption and long life, but it also has disadvantages such as high cost, difficult maintenance and technical complexity.

[0003] The machining and assembly precision requirements for magnetic bearing rotors are extremely strict, and there are many parts in the magnetic bearing rotor. The assembly error is difficult to control during the assembly process and the failure rate is high. Therefore, it is necessary to provide a new radial magnetic bearing rotor integrated structure to facilitate the integration of some parts with the rotor. Utility Model Content

[0004] The purpose of the utility model is to provide a new radial magnetic bearing rotor integrated structure to solve the problems raised in the above background technology, that is, the magnetic bearing rotor processing and assembly accuracy requirements are extremely strict, and there are many parts of the magnetic bearing rotor, the assembly error is difficult to control during the assembly process and the failure rate is high.

[0005] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0006] The utility model is a novel radial magnetic bearing rotor integrated structure, which comprises a rotor and an integrated mechanism, wherein the integrated mechanism comprises a metal sleeve, wherein a first baffle is sleeved on a circumferential outer wall at the end of one side of the metal sleeve, a baffle is fixedly connected to a circumferential outer wall in the middle of the metal sleeve, a radial displacement sensor sensing lamination is fixedly connected to a circumferential outer wall of the metal sleeve located on one side of the baffle, a radial magnetic bearing rotor lamination is fixedly connected to a circumferential outer wall of the metal sleeve located on the other side of the baffle, and a second baffle is sleeved on a circumferential outer wall at the end of the other side of the metal sleeve;

[0007] Furthermore, it also includes a fixing mechanism, the fixing mechanism includes a mounting hole opened in the metal sleeve and the inner cavity of the first baffle, and the inner wall of the mounting hole of the inner cavity of the first baffle is fixedly connected to a fixing cylinder;

[0008] Furthermore, a button is slidably connected to the inner wall of the fixed cylinder, a push rod and a spring are fixedly connected to the outer wall of the button, the first baffle and the second baffle are threadedly connected to the limit rod, the second baffle is provided with a mounting hole, and the fixing cylinder is fixedly connected in the mounting hole;

[0009] Furthermore, one end of the spring away from the button is limited on the inner wall of the fixed cylinder, and the spring is sleeved on the outer wall of the push rod;

[0010] Furthermore, a groove is provided on the outer circumferential wall of the end of the push rod, and a limit ball is symmetrically and movably connected to the inner wall of the fixed cylinder;

[0011] Furthermore, it also includes a magnetic bearing, which is symmetrically sleeved on the outer wall of the rotor circumference, and the metal sleeve is fixedly connected to the outer wall of the magnetic bearing;

[0012] Compared with the prior art, the advantages of the present invention are:

[0013] 1. After the magnetic bearing is symmetrically installed on the circumferential outer wall of the rotor, remove the first baffle and the second baffle, install the radial displacement sensor sensing lamination on one side of the circumferential outer wall of the metal sleeve, install the radial magnetic bearing rotor lamination on the other side of the circumferential outer wall of the metal sleeve, install the first baffle and the second baffle, and connect the metal sleeve to the circumferential outer wall of the rotor and fix it with the magnetic bearing, so as to integrate some parts with the rotor, facilitate the subsequent installation of the rotor, and reduce the installation steps of parts.

[0014] 2. When installing the first baffle and the second baffle, press the button manually and continuously. The button drives the push rod to move and squeeze the spring. The limit ball slides into the groove through the push rod. The fixed cylinder is installed into the metal sleeve. Release the button. The spring rebounds and returns the push rod to its original position, so that the limit ball slides out of the groove and contacts the inner wall of the fixed cylinder. The first baffle and the second baffle are initially limited. The limit rod is installed to limit the baffle again, which is convenient for the installation and disassembly of parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0016] Figure 2 It is a schematic diagram of the integrated mechanism of the utility model.

[0017] Figure 3 It is a schematic diagram of the fixing mechanism of the utility model.

[0018] Wherein: 1. rotor; 2. integrated mechanism; 201. metal sleeve; 202. first baffle; 203. radial displacement sensor sensing lamination; 204. radial magnetic bearing rotor lamination; 205. second baffle; 3. fixing mechanism; 301. button; 302. fixing cylinder; 303. push rod; 304. spring; 305. groove; 306. limit ball; 307. limit rod; 4. magnetic bearing. DETAILED DESCRIPTION

[0019] See also Figure 1-3As shown, this embodiment is a novel radial magnetic bearing rotor integrated structure, including a rotor 1 and an integrated mechanism 2, the integrated mechanism 2 includes a metal sleeve 201, the outer wall of the circumference at the end of one side of the metal sleeve 201 is sleeved with a first baffle 202, the outer wall of the middle circumference of the metal sleeve 201 is fixedly connected with a baffle, the outer wall of the circumference of the metal sleeve 201 is located on one side of the baffle and is fixedly connected with a radial displacement sensor sensing lamination 203, the outer wall of the circumference of the metal sleeve 201 is located on the other side of the baffle and is fixedly connected with a radial magnetic bearing rotor lamination 204, and the outer wall of the circumference at the end of the other side of the metal sleeve 201 is sleeved with a second baffle 205;

[0020] The radial displacement sensor sensing laminations 203 and the radial magnetic bearing rotor laminations 204 are supported by the metal sleeve 201, the radial magnetic bearing rotor laminations 204 and the radial displacement sensor sensing laminations 203 are respectively installed from both sides by the baffles, and the radial magnetic bearing rotor laminations 204 and the radial displacement sensor sensing laminations 203 are limited by the first baffles 202 and the second baffles 205;

[0021] The magnetic bearing 4 is symmetrically sleeved on the outer wall of the rotor 1, and the metal sleeve 201 is fixedly connected to the outer wall of the magnetic bearing 4, so that the rotor 1 is suspended by the magnetic bearing 4;

[0022] Working principle: After the magnetic bearing 4 is symmetrically installed on the outer circumferential wall of the rotor 1, the first baffle 202 and the second baffle 205 are removed, the radial displacement sensor sensing lamination 203 is installed on one side of the outer circumferential wall of the metal sleeve 201, and the radial magnetic bearing rotor lamination 204 is installed on the other side of the outer circumferential wall of the metal sleeve 201, and the first baffle 202 and the second baffle 205 are installed, and the metal sleeve 201 is sleeved on the outer circumferential wall of the rotor 1 and fixedly connected to the magnetic bearing 4;

[0023] In this step, some parts are integrated with the rotor 1, which facilitates the subsequent installation of the rotor 1 and reduces the steps of installing the parts.

[0024] See also Figure 1-3 As shown, this embodiment is based on the above-mentioned embodiment 1, and this novel radial magnetic bearing rotor integrated structure also includes a fixing mechanism 3, the fixing mechanism 3 includes mounting holes opened in the inner cavity of the metal sleeve 201 and the first baffle 202, the inner wall of the mounting hole in the inner cavity of the first baffle 202 is fixedly connected with a fixing cylinder 302, the fixing cylinder 302 is supported by the mounting hole, and the button 301 is supported by the fixing cylinder 302;

[0025] The inner wall of the fixed cylinder 302 is slidably connected with a button 301, the outer wall of the button 301 is fixedly connected with a push rod 303 and a spring 304, the first baffle 202 and the second baffle 205 are threadedly connected with a limiting rod 307, the second baffle 205 is provided with a mounting hole, the mounting hole is fixedly connected with the fixed cylinder 302, the push rod 303 is driven by the button 301 to move and squeeze the spring 304, and the first baffle 202 and the second baffle 205 are limited by the limiting rod 307;

[0026] One end of the spring 304 away from the button 301 is limited to the inner wall of the fixed tube 302, and the spring 304 is sleeved on the outer wall of the push rod 303. When the push rod 303 is extended into the fixed tube 302, the limiting ball 306 slides into the groove 305, and the push rod 303 is returned by the spring 304, so that the limiting ball 306 contacts the inner wall of the fixed tube 302.

[0027] A groove 305 is provided on the outer wall of the end of the push rod 303, and a limit ball 306 is symmetrically and movably connected to the inner wall of the fixed cylinder 302. When the limit ball 306 is received by the groove 305, the baffle can be removed from the metal sleeve 201.

[0028] Working principle: When installing the first baffle 202 and the second baffle 205, manually and continuously press the button 301, the button 301 drives the push rod 303 to move and squeeze the spring 304, and the limit ball 306 slides into the groove 305 through the push rod 303, and the fixed cylinder 302 is installed into the metal sleeve 201, and the button 301 is released. The spring 304 rebounds and the push rod 303 returns, so that the limit ball 306 slides out of the groove 305 and contacts the inner wall of the fixed cylinder 302, and the first baffle 202 and the second baffle 205 are initially limited, and the limit rod 307 is installed to limit the baffle again.

Claims

1. A novel radial magnetic bearing rotor integrated structure, characterized in that: It comprises a rotor (1) and an integrated mechanism (2), wherein the integrated mechanism (2) comprises a metal sleeve (201), a first baffle (202) being sleeved on a circumferential outer wall at one end of the metal sleeve (201), a baffle being fixedly connected to a middle circumferential outer wall of the metal sleeve (201), a radial displacement sensor sensing lamination (203) being fixedly connected to a circumferential outer wall of the metal sleeve (201) located on one side of the baffle, a radial magnetic bearing rotor lamination (204) being fixedly connected to a circumferential outer wall of the metal sleeve (201) located on the other side of the baffle, and a second baffle (205) being sleeved on a circumferential outer wall at the other end of the metal sleeve (201).

2. A novel radial magnetic bearing rotor integrated structure according to claim 1, characterized in that: It also comprises a fixing mechanism (3), the fixing mechanism (3) comprising mounting holes opened in the inner cavity of the metal sleeve (201) and the first baffle (202), the inner wall of the mounting hole in the inner cavity of the first baffle (202) being fixedly connected to a fixing cylinder (302).

3. A novel radial magnetic bearing rotor integrated structure according to claim 2, characterized in that: The button (301) is slidably connected to the inner wall of the circumference of the fixed cylinder (302), the push rod (303) and the spring (304) are fixedly connected to the outer wall of the button (301), the first baffle (202) and the second baffle (205) are threadedly connected to a limit rod (307), the second baffle (205) is provided with a mounting hole, and the fixed cylinder (302) is fixedly connected in the mounting hole.

4. The novel radial magnetic bearing rotor integrated structure according to claim 3 is characterized in that: One end of the spring (304) away from the button (301) is limited on the inner wall of the fixing cylinder (302), and the spring (304) is sleeved on the outer wall of the push rod (303).

5. The novel radial magnetic bearing rotor integrated structure according to claim 3 is characterized in that: A groove (305) is provided on the outer circumferential wall at the end of the push rod (303), and a limiting ball (306) is symmetrically and movably connected to the inner wall of the fixing cylinder (302).

6. The novel radial magnetic bearing rotor integrated structure according to claim 1 is characterized in that: It also comprises a magnetic bearing (4), wherein the magnetic bearing (4) is symmetrically sleeved on the circumferential outer wall of the rotor (1), and the metal sleeve (201) is fixedly connected to the outer wall of the magnetic bearing (4).

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