Anti-loosening fastening installation structure of magnetic suspension motor

Abstract

The utility model relates to the technical field of magnetic suspension motors, in particular to an anti-loosening fastening installation structure of a magnetic suspension motor, which comprises a magnetic suspension motor installation structure main body, a shell is arranged outside the magnetic suspension motor installation structure main body, and a rotating shaft is installed in the magnetic suspension motor installation structure main body. Thrust discs and a radial electromagnetic actuator which are arranged outside the rotating shaft in a sleeving mode are fixed in the shell, the two ends of the shell are further connected with a front end plate and a rear end plate respectively, an axial electromagnetic actuator is installed between the thrust discs, and position sensors used in cooperation with the rotating shaft are installed on the inner rings of the thrust discs. And the axial electromagnetic actuator is also sleeved outside the rotating shaft. According to the anti-loosening fastening installation structure of the magnetic suspension motor, the limiting groove is designed in the shell, installation and positioning processing of the radial electromagnetic actuator can be conveniently carried out, meanwhile, air gap adjustable processing can be carried out on the radial electromagnetic actuator and the rotating shaft, and the position reliability of the rotating shaft is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to a magnetic suspension motor technical field, concretely is a kind of magnetic suspension motor anti-loosening fastening installation structure. BACKGROUND

[0002] The core of magnetic suspension technology is to use the strong magnetic field generated by electromagnets and superconducting materials to achieve suspension effect. Magnetic suspension motor is a motor that uses magnetic suspension technology to achieve non-contact support of the rotating shaft. It suspends the rotating shaft by electromagnetic force, avoiding the friction loss and wear problems caused by traditional mechanical bearings. Therefore, it can operate without using lubricating oil, reducing maintenance requirements and improving efficiency, reducing noise and vibration. Due to its special working principle, magnetic suspension motor achieves non-contact support and driving of the rotating shaft through electromagnetic force. Therefore, it is different from traditional motors in design. During actual installation, the stability and reliability of all components need to be ensured to ensure long-term stable operation of the magnetic suspension motor.

[0003] The existing magnetic suspension motor is composed of a rotating shaft, a sensor, a control mechanism and other main parts. The stability of the control mechanism installation is related to the stability of the rotating shaft operation. Currently, when installing the magnetic suspension motor, the air gap between the radial positioning structure and the rotating shaft is not easy to adjust, which affects the stability of the rotating shaft operation. UTILITY MODEL CONTENTS

[0004] The utility model aims to provide a kind of magnetic suspension motor anti-loosening fastening installation structure to solve the problem that the air gap between the radial positioning structure and the rotating shaft of the magnetic suspension motor on the market is not easy to adjust, which affects the stability of the rotating shaft operation.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a kind of magnetic suspension motor anti-loosening fastening installation structure, including magnetic suspension motor installation structure main part, the outer shell is equipped with the outer shell, and the rotating shaft is installed in the magnetic suspension motor installation structure main part, the push disc and the radial electromagnetic actuator that are sleeved on the outside of the rotating shaft are fixed in the outer shell, and the front end plate and the rear end plate are also connected at both ends of the outer shell, the axial electromagnetic actuator is installed between the push disc, and the position sensor that is used in cooperation with the rotating shaft is installed in the inner ring of the push disc, and the axial electromagnetic actuator is also sleeved on the outside of the rotating shaft, the iron core and permanent magnet that are designed with interval are evenly spaced in the radial electromagnetic actuator, and the coil is wound outside the iron core, a positioning ring is clamped on the outside of the radial electromagnetic actuator, and a limiting hole is formed at the bottom position of the positioning ring.

[0006] Preferably, the axial electromagnetic actuator and the rotating shaft are non-contact, and the axial electromagnetic actuator is located at both ends of the rotating shaft.

[0007] Preferably, the thrust disc surface is coated with a wear-resistant coating, and the thrust disc is fastened in the housing by bolts.

[0008] Preferably, the positioning ring is integrally provided with positioning protrusions symmetrically above and below, and the limiting holes are located at the positioning protrusions.

[0009] Preferably, a junction box is mounted on the outside of the housing, and limiting grooves are uniformly and spacedly provided on the inner side of the housing, and the limiting grooves are in clamping engagement with the positioning protrusions.

[0010] Preferably, a bolt seat is integrally provided on the outside of the housing, the bolt seat corresponds in position to the limiting hole, and a fine adjustment bolt is threaded through the bolt seat, and the fine adjustment bolt is in clamping engagement with the limiting hole.

[0011] Compared with the prior art, the magnetic suspension motor anti-loosening fastening installation structure has the advantages that: the limiting grooves are designed in the housing, the radial electromagnetic actuator can be conveniently installed and positioned, the air gap of the radial electromagnetic actuator and the rotating shaft can be adjusted, and the position reliability of the rotating shaft is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is an exploded view of the magnetic suspension motor anti-loosening fastening installation structure.

[0013] Figure 2 It is a structural schematic view of the bottom of the housing of the magnetic suspension motor anti-loosening fastening installation structure.

[0014] Figure 3 It is a structural schematic view of the radial electromagnetic actuator of the magnetic suspension motor anti-loosening fastening installation structure.

[0015] Figure 4 It is a structural schematic view of the axial electromagnetic actuator and the thrust disc connection structure of the magnetic suspension motor anti-loosening fastening installation structure.

[0016] In the figure: 1, the main body of the magnetic suspension motor installation structure; 2, the position sensor; 3, the axial electromagnetic actuator; 4, the thrust disc; 5, the radial electromagnetic actuator; 501, the positioning ring; 502, the limiting hole; 503, the positioning protrusion; 6, the front end plate; 7, the iron core; 8, the rear end plate; 9, the shell; 901, the junction box; 902, the bolt seat; 903, the limiting groove; 10, the rotating shaft; 11, the fine adjustment bolt; 12, the permanent magnet; 13, the coil. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0018] Please refer to Figures 1-4The utility model provides a technical scheme: a kind of magnetic suspension motor anti-loosening fastening installation structure, including magnetic suspension motor installation structure main body 1, magnetic suspension motor installation structure main body 1 outside is equipped with shell 9, and magnetic suspension motor installation structure main body 1 inside is installed with rotating shaft 10, shell 9 is fixed with the thrust disc 4 and radial electromagnetic actuator 5 of being sheathed in rotating shaft 10 outside, and shell 9 both ends are also respectively connected with front end plate 6 and rear end plate 8, thrust disc 4 surface is coated with wear-resistant coating, and thrust disc 4 is fastened in shell 9 by bolt, this structure thrust disc 4 can be reliably positioned to axial electromagnetic actuator 3, position sensor 2 is divided into radial displacement sensor and axial displacement sensor, radial displacement sensor uses eddy current sensor, is arranged at the radial position of rotating shaft 10, near radial electromagnetic actuator 5, axial displacement sensor uses capacitive sensor, is arranged at the axial position of rotating shaft 10, is located at the both ends of rotating shaft 10, axial electromagnetic actuator 3 is installed between thrust disc 4, and position sensor 2 is installed in the inner ring of thrust disc 4 and is used in cooperation with rotating shaft 10, and axial electromagnetic actuator 3 is also sheathed in rotating shaft 10 outside, non-contact is arranged between axial electromagnetic actuator 3 and rotating shaft 10, and axial electromagnetic actuator 3 is located at both ends of rotating shaft 10, this structure axial electromagnetic actuator 3 is designed at both ends of rotating shaft 10, and makes rotating shaft 10 and axial electromagnetic actuator 3 clamping cooperation, can limit the axial displacement of rotating shaft 10, and can play the stable effect to rotating shaft 10, radial electromagnetic actuator 5 is evenly spaced and is equipped with the core 7 and permanent magnet 12 of interval design, permanent magnet 12 is designed between the core 7, to enhance magnetic field, and the coil 13 is wound outside the core 7, radial electromagnetic actuator 5 is clamped with a circle of positioning ring 501 outside, and the limit hole 502 is opened in the bottom position of positioning ring 501, positioning ring 501 is integrally provided with the positioning protrusion 503 of upper and lower symmetry outside, and the limit hole 502 is located at positioning protrusion 503, this structure can be positioned outside the effect of installing to the core 7 by positioning ring 501, and the installation positioning processing of radial electromagnetic actuator 5 is carried out through the positioning protrusion 503 outside positioning ring 501, while ensuring the installation fastness of radial electromagnetic actuator 5, wiring box 901 is installed outside shell 9, and limit slot 903 is also evenly spaced and opened in the inner side of shell 9, and limit slot 903 and positioning protrusion 503 clamping cooperation, this structure can make shell 9 prevent the effect of partial limit of radial electromagnetic actuator 5 through limit slot 903, let radial electromagnetic actuator 5 installation position be stable, and ensure that the adjustable position of radial electromagnetic actuator 5 can be accurately positioned, so that the adjustable processing of the air gap inside radial electromagnetic actuator 5, shell 9 outside is also integrally provided with bolt seat 902, and bolt seat 902 and limit hole 502 position correspond, and micro-adjustment screw 11 is penetrated through the thread structure in bolt seat 902, micro-adjustment screw 11 and limit hole 502 clamping cooperation, this structure can make micro-adjustment screw 11 be rotated under the positioning of bolt seat 902, micro-adjustment screw 11 cooperates spring and reliably supports,By rotating the bolt seat 902, the position of the permanent magnet 12 can be adjusted, and the air gap can be adjusted.

[0019] Working principle: when using the magnetic suspension motor anti-loose fastening installation structure, first, the axial electromagnetic actuator 3 is fixed between the thrust discs 4, the permanent magnets 12 and the iron cores 7 are distributed at intervals in the inner side of the radial electromagnetic actuator 5, and the coil 13 is wound on the iron core 7, the radial electromagnetic actuator 5 is distributed at both ends of the rotating shaft 10, the axial electromagnetic actuator 3 is non-contact fixed on the rotating shaft 10 through the thrust disc 4, the position of the rotating shaft 10 is monitored through the position sensor 2 installed in the inner ring of the thrust disc 4, when the thrust disc 4 and the radial electromagnetic actuator 5 are installed in the shell 9, the positioning protrusion 503 is clamped through the limiting groove 903, the reliable positioning of the radial electromagnetic actuator 5 is ensured, the thrust disc 4 and the shell 9 are fastened by bolts, the axial stability of the rotating shaft 10 is ensured, the fine adjustment bolt 11 is installed in the shell 9 through the bolt seat 902, the position of the radial electromagnetic actuator 5 is adjusted by rotating the fine adjustment bolt 11, the limiting hole 502 on the positioning ring 501, and the spring structure, the air gap between the radial electromagnetic actuator 5 and the rotating shaft 10 is adjusted, the junction box 901 is used for the wiring of internal sensors, control mechanisms and the like, finally, the front end plate 6 and the rear end plate 8 are fixed at both ends of the shell 9, further ensuring the stability of the magnetic suspension motor installation structure main body 1, preventing the internal structure from loosening, allowing the magnetic suspension motor to operate reliably, thereby completing a series of work.

[0020] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A magnetic levitation motor anti-loosening fastening mounting structure comprising a magnetic levitation motor mounting structure main body (1), characterized in that: The magnetic suspension motor mounting structure body (1) is externally provided with a shell (9), and a rotating shaft (10) is mounted in the magnetic suspension motor mounting structure body (1), the shell (9) is fixedly provided with a thrust disc (4) and a radial electromagnetic actuator (5) sleeved outside the rotating shaft (10), and the shell (9) is further connected with a front end plate (6) and a rear end plate (8) at both ends, respectively, an axial electromagnetic actuator (3) is mounted between the thrust discs (4), a position sensor (2) is mounted in the inner ring of the thrust disc (4) and cooperates with the rotating shaft (10), and the axial electromagnetic actuator (3) is also sleeved outside the rotating shaft (10), the radial electromagnetic actuator (5) is uniformly and interval ly provided with an iron core (7) and a permanent magnet (12) designed at intervals, and a coil (13) is wound outside the iron core (7), the radial electromagnetic actuator (5) is externally clamped with a positioning ring (501), and a limiting hole (502) is formed at the bottom position of the positioning ring (501).

2. The anti-loosening fastening and mounting structure of a magnetic levitation motor according to claim 1, characterized in that: The axial electromagnetic actuator (3) is non-contact arranged between the rotating shaft (10), and the axial electromagnetic actuator (3) is located at both ends of the rotating shaft (10).

3. The anti-loosening fastening and mounting structure of a magnetic levitation motor according to claim 1, characterized in that: The surface of the thrust disc (4) is coated with a wear-resistant coating, and the thrust disc (4) is fastened in the shell (9) by bolts.

4. The anti-loosening fastening and mounting structure of a magnetic levitation motor according to claim 1, characterized in that: The positioning ring (501) is integrally provided with a positioning protrusion (503) symmetrically upward and downward, and the limiting hole (502) is located at the positioning protrusion (503).

5. The anti-loosening fastening and mounting structure of a magnetic levitation motor according to claim 1, characterized in that: The shell (9) is externally provided with a junction box (901), and the inner side of the shell (9) is further uniformly and interval ly provided with a limiting groove (903), and the limiting groove (903) is clamped and matched with the positioning protrusion (503).

6. The anti-loosening fastening and mounting structure of a magnetic levitation motor according to claim 1, characterized in that: The shell (9) is further integrally provided with a bolt seat (902) outside, the bolt seat (902) corresponds to the position of the limiting hole (502), and the bolt seat (902) is penetrated by a fine adjustment bolt (11) through a threaded structure inside, and the fine adjustment bolt (11) is clamped and matched with the limiting hole (502). The surface of the thrust disc (4) is coated with a wear-resistant coating, and the thrust disc (4) is fastened in the shell (9) by bolts. The positioning ring (501) is integrally provided with a positioning protrusion (503) symmetrically upward and downward, and the limiting hole (502) is located at the positioning protrusion (503). The shell (9) is externally provided with a junction box (901), and the inner side of the shell (9) is further uniformly and interval ly provided with a limiting groove (903), and the limiting groove (903) is clamped and matched with the positioning protrusion (503). The shell (9) is further integrally provided with a bolt seat (902) outside, the bolt seat (902) corresponds to the position of the limiting hole (502), and the bolt seat (902) is penetrated by a fine adjustment bolt (11) through a threaded structure inside, and the fine adjustment bolt (11) is clamped and matched with the limiting hole (502).

Images