CN217508462U

CN217508462U - Three-phase asynchronous vibration-damping motor

Info

Publication number: CN217508462U
Application number: CN202221147054.7U
Authority: CN
Inventors: 吴广; 瞿建敏; 徐荣仟
Original assignee: Zhongquan Group Co ltd
Current assignee: Zhongquan Group Co ltd
Priority date: 2022-05-12
Filing date: 2022-05-12
Publication date: 2022-09-27
Anticipated expiration: 2032-05-12

Abstract

The utility model discloses a three-phase asynchronous vibration damping motor, which comprises a vibration damping base, wherein a motor shell is arranged at the top of the vibration damping base, a vibration damping component is jointly arranged between the motor shell and the vibration damping base, and a motor core is arranged in the middle of the interior of the motor shell; the utility model discloses an it has water to annotate in the inside of damping base, further carry out fixed mounting with motor housing and damping base through the construction bolt, pass through the cooperation of mount pad and limiting plate this moment, realize the transmission of vibration, the vibration is transmitted to buffer spring A and buffer spring B's position department and is absorbed and alleviate, and drive the limiting plate simultaneously and carry out the displacement, it has water to annotate through the inside of damping base this moment, the resistance through water is greater than the resistance of air, thereby produce the hindrance to the displacement of limiting plate and buffer spring A and buffer spring B's deformation, thereby reduce the space of its displacement and deformation, the stability of high structure, and then realize the function of damping.

Description

Three-phase asynchronous vibration-damping motor

Technical Field

The utility model relates to a damping motor technical field specifically is three-phase asynchronous damping motor.

Background

The three-phase asynchronous motor is one of induction motors, and is a motor supplied with power by simultaneously connecting 380V three-phase alternating current (phase difference of 120 degrees), and is called a three-phase asynchronous motor because a rotor and a stator rotating magnetic field of the three-phase asynchronous motor rotate in the same direction and at different rotating speeds and have slip ratios. The rotating speed of the rotor of the three-phase asynchronous motor is lower than that of a rotating magnetic field, and the rotor winding generates electromotive force and current due to relative motion between the rotor winding and the magnetic field and interacts with the magnetic field to generate electromagnetic torque so as to realize energy conversion.

The existing three-phase asynchronous motor can be installed at a fixed position during actual use, so that driving force is provided, but when the motor is started, torque is generated due to centrifugation, so that the whole motor vibrates, a central shaft of the motor is displaced, and a result device capable of keeping the motor stably running is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a three-phase asynchronous vibration damping motor to it can produce great torsional drive power to propose current three asynchronous motor when the start-up operation in solving above-mentioned background art, thereby makes the motor take place to squint, and produces the problem that the vibration can't effectively be eliminated during the operation.

In order to achieve the above object, the utility model provides a following technical scheme: asynchronous damping motor of three-phase, including the damping base, the top of damping base is provided with motor housing, be provided with the damping subassembly between motor housing and the damping base jointly, the inside middle part of motor housing is provided with motor core, motor core's middle part is provided with the transmission shaft, one side of motor housing is provided with the fore bearing enclosing cover, the transmission shaft runs through the outside to the fore bearing enclosing cover, one side at motor housing top is provided with the terminal box, one side that the fore bearing enclosing cover was kept away from to motor housing is provided with the rear bearing enclosing cover, the inside of rear bearing enclosing cover is provided with cooling fan.

Preferably, the damping component comprises a liquid injection valve, a mounting bolt, a limiting plate, a mounting seat, a buffer spring A and a buffer spring B, the bottom of the motor shell is provided with a mounting seat extending into the vibration damping base, the bottom of the mounting seat positioned in the vibration damping base is provided with a limiting plate, the two sides of the top of the motor shell are provided with mounting bolts which penetrate through the motor shell, the limiting plate and the vibration damping base, the top of the limiting plate is provided with a buffer spring B sleeved outside the mounting bolt, the bottom of the limiting plate is provided with a buffer spring A sleeved outside the mounting bolt, and the both ends of buffer spring A and buffer spring B all laminate with the inner wall of damping base mutually, one side at damping base top is provided with the liquid injection valve, through the cooperation of each spare part to the function of motor damping has been realized.

Preferably, the motor shell is respectively provided with a connecting terminal with the front bearing outer cover and the rear bearing outer cover, the inner side of the connecting terminal is provided with a sealing gasket, and the sealing and assembling of the two ends of the motor shell are realized by the connecting terminal.

Preferably, a framework type oil seal is arranged between the outer side of the transmission shaft and the inner side of the outer cover of the front bearing, a key groove is formed in one end of the outer side of the transmission shaft, and the structural sealing performance is improved by the framework type oil seal.

Preferably, a wave-shaped spring piece is arranged at a position, close to one end of the motor core, on the inner side of the outer cover of the rear bearing, an anti-corrosion coating is coated on the outer side of the spring piece, and the toughness of one end of the motor core is improved by arranging the wave-shaped spring piece.

Preferably, the middle part in the motor casing outside is provided with the data plate, and the outside of data plate is provided with the protection casing, through being provided with the data plate, conveniently provides information.

Preferably, the bottom of damping base evenly is provided with anti-skidding line, the top of damping base is provided with the logical groove with mount pad looks adaptation, through being provided with anti-skidding line, improves the frictional force of damping base bottom.

Compared with the prior art, the beneficial effects of the utility model are that: the three-phase asynchronous vibration reduction motor;

it has water to annotate through the inside at the damping base, further carry out fixed mounting with motor housing and damping base through construction bolt, pass through the cooperation of mount pad and limiting plate this moment, realize the transmission of vibration, the vibration transmission absorbs and alleviates to buffer spring A and buffer spring B's position department, and drive the limiting plate simultaneously and carry out the displacement, it has water to annotate through the inside of damping base this moment, the resistance through water is greater than the resistance of air, thereby produce the hindrance to the displacement of limiting plate and buffer spring A and buffer spring B's deformation, thereby reduce the space of its displacement and deformation, the stability of structure is improved, and then the function of realization damping.

Drawings

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

fig. 2 is a side cross-sectional view of the present invention;

fig. 3 is a schematic perspective view of the structure of the vibration damping base shown in fig. 1 according to the present invention;

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

In the figure: 1. a vibration damping base; 2. a liquid injection valve; 3. installing a bolt; 4. a limiting plate; 5. a mounting seat; 6. a motor housing; 7. a heat radiation fan; 8. a rear bearing outer cover; 9. a connection terminal; 10. a motor core; 11. a junction box; 12. a front bearing outer cover; 13. a drive shaft; 14. a buffer spring A; 15. and a buffer spring B.

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 work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a three-phase asynchronous vibration reduction motor comprises a vibration reduction base 1, wherein a motor shell 6 is arranged at the top of the vibration reduction base 1, a vibration reduction assembly is jointly arranged between the motor shell 6 and the vibration reduction base 1, a motor core 10 is arranged in the middle of the inside of the motor shell 6, a transmission shaft 13 is arranged in the middle of the motor core 10, a framework oil seal is arranged between the outer side of the transmission shaft 13 and the inner side of a front bearing outer cover 12, a key groove is arranged at one end of the outer side of the transmission shaft 13, the framework oil seal is arranged to improve the sealing performance of the structure, a front bearing outer cover 12 is arranged on one side of the motor shell 6, the transmission shaft 13 penetrates through the outer side of the front bearing outer cover 12, a junction box 11 is arranged on one side of the top of the motor shell 6, a rear bearing outer cover 8 is arranged on one side of the motor shell 6, which is far away from the front bearing outer cover 12, and a waveform spring piece is arranged at the position, which is close to one end of the motor core 10, on the inner side of the rear bearing outer cover 8, the outer side of the spring piece is coated with an anti-corrosion coating, the toughness of one end of the motor core 10 is improved by arranging the wave-shaped spring piece, the inner part of the outer back bearing cover 8 is provided with a cooling fan 7, the motor shell 6 and a connecting terminal 9 are respectively and jointly arranged between the outer front bearing cover 12 and the outer back bearing cover 8, the inner side of the connecting terminal 9 is provided with a sealing gasket, the sealing and assembling of two ends of the motor shell 6 are realized by arranging the connecting terminal 9, the middle part of the outer side of the motor shell 6 is provided with a nameplate, the outer side of the nameplate is provided with a protective cover, information is conveniently provided by arranging the nameplate, the bottom of the vibration damping base 1 is uniformly provided with anti-skidding lines, the top of the vibration damping base 1 is provided with a through groove matched with the mounting seat 5, and the friction force at the bottom of the vibration damping base 1 is improved by arranging the anti-skidding lines;

the damping component comprises a liquid injection valve 2, a mounting bolt 3, a limiting plate 4, a mounting seat 5, a buffer spring A14 and a buffer spring B15, the mounting seat 5 extending into the damping base 1 is arranged at the bottom of the motor shell 6, the limiting plate 4 is arranged at the bottom of the mounting seat 5 positioned in the damping base 1, the mounting bolts 3 penetrating through the motor shell 6, the limiting plate 4 and the damping base 1 are arranged at two sides of the top of the motor shell 6, the buffer spring B15 sleeved outside the mounting bolt 3 is arranged at the top of the limiting plate 4, the buffer spring A14 sleeved outside the mounting bolt 3 is arranged at the bottom of the limiting plate 4, and the two ends of the buffer spring A14 and the buffer spring B15 are mutually attached to the inner wall of the vibration damping base 1, the liquid injection valve 2 is arranged on one side of the top of the vibration damping base 1, and the functions of damping the motor are realized through the matching of all parts.

The motor core 10 and the heat dissipation fan 7 in the device are the prior art, and the composition structure and the connection mode of the device are completely the same as those of the prior device.

The working principle is as follows: when the device is in operation, the damping base 1 and the motor housing 6 are installed at preset positions through the mounting bolt 3, water is injected into the damping base 1 through the liquid injection valve 2, the limiting plate 4 is limited through the elastic force of the buffer spring A14 and the buffer spring B15, so that the position structure of the motor housing 6 connected to the top of the mounting seat 5 is stable, when the motor housing 6 operates, the motor housing 6 is under the action of torsional force, so that the motor housing 6 vibrates, the motor housing 6 is further transmitted to the position of the mounting seat 5 through the motor housing 6, so that the limiting plate 4 is driven to displace, the buffer spring A14 and the buffer spring B15 are driven to deform through the limiting plate 4, when the buffer spring A14 and the buffer spring B15 deform and the limiting plate 4 displaces, the resistance of water inside the damping base 1 is greater than the resistance of air, thereby produce the resistance to the displacement of limiting plate 4 and buffer spring A14 and buffer spring B15's deformation, and then reduce the space of displacement and deformation, and then reduce the vibration and to the holistic influence of device, improved the stability of structure.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and 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. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as either a fixed connection or a detachable connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Claims

1. Asynchronous damping motor of three-phase, including damping base (1), its characterized in that: the top of damping base (1) is provided with motor casing (6), be provided with damping subassembly between motor casing (6) and damping base (1) jointly, the inside middle part of motor casing (6) is provided with motor core (10), the middle part of motor core (10) is provided with transmission shaft (13), one side of motor casing (6) is provided with fore bearing enclosing cover (12), transmission shaft (13) run through to the outside of fore bearing enclosing cover (12), one side at motor casing (6) top is provided with terminal box (11), one side that fore bearing enclosing cover (12) were kept away from in motor casing (6) is provided with rear bearing enclosing cover (8), the inside of rear bearing enclosing cover (8) is provided with cooling fan (7).

2. The three-phase asynchronous vibration damped motor according to claim 1 wherein: the damping component comprises a liquid injection valve (2), a mounting bolt (3), a limiting plate (4), a mounting seat (5), a buffer spring A (14) and a buffer spring B (15), the mounting seat (5) extending into the damping base (1) is arranged at the bottom of the motor shell (6), the limiting plate (4) is arranged at the bottom of the mounting seat (5) positioned in the damping base (1), the mounting bolts (3) penetrating through the motor shell (6), the limiting plate (4) and the damping base (1) are arranged on two sides of the top of the motor shell (6), the buffer spring B (15) sleeved outside the mounting bolt (3) is arranged at the top of the limiting plate (4), the buffer spring A (14) sleeved outside the mounting bolt (3) is arranged at the bottom of the limiting plate (4), and two ends of the buffer spring A (14) and the buffer spring B (15) are mutually attached to the inner wall of the damping base (1), and a liquid injection valve (2) is arranged on one side of the top of the vibration reduction base (1).

3. The three-phase asynchronous vibration damped motor according to claim 1 wherein: the motor shell (6) is provided with a connecting terminal (9) together with the front bearing outer cover (12) and the rear bearing outer cover (8), and a sealing gasket is arranged on the inner side of the connecting terminal (9).

4. The three-phase asynchronous vibration damped motor according to claim 1 wherein: a framework type oil seal is arranged between the outer side of the transmission shaft (13) and the inner side of the front bearing outer cover (12), and a key groove is formed in one end of the outer side of the transmission shaft (13).

5. The three-phase asynchronous vibration damped motor according to claim 1 wherein: the inner side of the rear bearing outer cover (8) is provided with a wave-shaped spring piece close to one end of the motor core (10), and the outer side of the spring piece is coated with an anti-corrosion coating.

6. The three-phase asynchronous vibration damped motor according to claim 1 wherein: the middle part of the outer side of the motor shell (6) is provided with a nameplate, and the outer side of the nameplate is provided with a protective cover.

7. The three-phase asynchronous vibration damped motor according to claim 1 wherein: the bottom of damping base (1) evenly is provided with anti-skidding line, the top of damping base (1) is provided with the logical groove with mount pad (5) looks adaptation.