CN111969765B

CN111969765B - Three-phase motor with good anti-shake performance

Info

Publication number: CN111969765B
Application number: CN202010868783.0A
Authority: CN
Inventors: 徐文祥; 刘诗传; 余有龙; 彭书宏; 刘伟
Original assignee: Lu'an Huake Electric Co ltd
Current assignee: Lu'an Huake Electric Co ltd
Priority date: 2020-08-26
Filing date: 2020-08-26
Publication date: 2021-08-03
Anticipated expiration: 2040-08-26
Also published as: CN111969765A

Abstract

The invention belongs to the technical field of motors, and particularly relates to a three-phase motor with good anti-shake performance, which comprises a motor shell and a rotating shaft movably sleeved with the motor shell, wherein an anti-shake assembly connected with the motor shell is arranged on the outer ring of the rotating shaft, a base is arranged at the bottom of the motor shell, and the base is connected with a connecting assembly used for fixing the motor shell; the anti-shake component comprises a support plate of an annular structure fixedly connected with the inner side walls of two ends of the motor shell, the support plate and the rotating shaft are coaxially arranged, and a bearing fixedly sleeved with the outer ring of the rotating shaft is fixedly sleeved on the inner ring of the support plate. The motor bearing lubricating device disclosed by the invention can be used for lubricating and cleaning the motor bearing, so that the motor bearing is prevented from being blocked after being used for a long time, the running stability of the motor is improved, the motor shaking is reduced, and meanwhile, the motor mounting position is buffered, the vibration force of the motor is buffered, and the stability of the motor mounting position is improved.

Description

Three-phase motor with good anti-shake performance

Technical Field

The invention relates to the technical field of motors, in particular to a three-phase motor with good anti-shake performance.

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 situation of motor shake easily appears when using three-phase motor, and the situation of motor shake takes place to lead to motor output unstable, damages motor and load equipment when serious, for this reason needs a three-phase motor that anti-shake performance is good.

Disclosure of Invention

The three-phase motor with good anti-shake performance provided by the invention solves the problems in the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme:

a three-phase motor with good anti-shake performance comprises a motor shell and a rotating shaft movably sleeved with the motor shell, wherein an anti-shake assembly connected with the motor shell is arranged on the outer ring of the rotating shaft, a base is installed at the bottom of the motor shell, and the base is connected with a connecting assembly used for fixing the motor shell;

the anti-shaking component comprises a supporting plate of an annular structure fixedly connected with the inner side walls of two ends of the motor shell, the supporting plate and the rotating shaft are coaxially arranged, a bearing fixedly connected with the outer ring of the rotating shaft in a sleeved mode is fixedly sleeved on the inner ring of the supporting plate, a butt plate of the annular structure is sleeved on the end, not connected with the motor shell, of the supporting plate, a communicating plate of a hollow structure is fixedly connected on the end, far away from the supporting plate, of the butt plate, one side, close to the adjacent supporting plate, of the communicating plate is fixedly connected with an outer ring butt contact plate of the annular structure, an inner ring butt contact plate of the annular structure and movably sleeved with the communicating plate is arranged on the inner ring of the outer ring butt contact plate, a first butt connection hole communicated with the communicating plate is formed in the butt plate, the first butt connection hole extends out of the end, far away from the communicating plate, of the motor shell is penetrated through a second butt connection hole communicated with the first butt connection hole, and a housing of the annular structure fixed with the motor shell is installed on the end, far away from the first butt connection hole, and the second butt connection hole, the inside rigid coupling of housing has the filter screen of loop configuration, and the spoiler of the loop configuration of consolidating with the motor casing tip is installed to the inner circle of filter screen, the rotation lantern ring has been cup jointed in the activity of housing inner circle, and the rotation lantern ring stretches into the one end consolidation of housing to have the blade that is located the housing inside, and the one end consolidation that the rotation lantern ring stretches out the housing has the go-between that cup joints with the axis of rotation is fixed, and the third butt joint hole that runs through motor casing is offered to one side that the second butt joint hole is close to the axis of rotation, and the third butt joint hole communicates with the housing.

Preferably, the connecting assembly comprises a binding frame with a U-shaped structure, the two ends of the bottom of the binding frame are respectively sleeved with a fastening nut positioned at the bottom and the top of the base in a threaded manner, one side of each group of fastening nuts, which is close to each other, is fixedly provided with an elastic extrusion plate, the base is penetrated with a mounting hole sleeved with the binding frame, the top of the base is provided with a containing groove communicated with the mounting hole, the inside of the containing groove is slidably connected with the extrusion plate, the extrusion plate is clamped with one side of the adjacent binding frame in a clamping manner of a clamping tooth clamping groove, the inner side walls of the two ends of the containing groove are provided with guide grooves which are obliquely and downwards arranged, and the direction slope of guiding groove edge holding tank to mounting hole sets up downwards, and the inside activity of guiding groove cup joints the guide rod with the stripper plate rigid coupling, and the bottom rigid coupling of stripper plate has the spring with holding tank bottom inside wall rigid coupling, and the equal rigid coupling in one side that two sets of elasticity stripper plates are close to each other has the touch panel.

Preferably, the bearing comprises a bearing outer ring fixedly sleeved with the inner ring of the supporting plate, the bearing outer ring is provided with a bearing inner ring fixedly sleeved with the rotating shaft, and sealing rings of annular structures are movably sleeved between one end of the bearing outer ring and the outer ring abutting plate, between the other end of the bearing outer ring and the inner side wall of the motor shell, between one end of the bearing inner ring and the inner ring abutting plate, and between the other end of the bearing inner ring and the inner side wall of the motor shell.

Preferably, the outer side wall of the motor shell is provided with a limit groove clamped with the binding frame, and the second butt joint hole is located on the outer ring of the filter screen.

Preferably, the third butt joint hole is located between a bearing outer ring and a bearing inner ring of the bearing.

Preferably, one side of the communicating plate, which is close to the adjacent supporting plate, is provided with a liquid inlet hole communicated with the inside of the communicating plate, and the liquid inlet hole is positioned between the bearing outer ring and the bearing inner ring of the bearing.

In the present invention,

through the motor casing that sets up, the axis of rotation, anti-shake subassembly, a pedestal, coupling assembling, a supporting plate, a bearing, the butt joint board, the outer lane is to the touch panel, the inner circle is to the touch panel, first butt joint hole, the second butt joint hole, the housing, the filter screen, the spoiler, the rotation lantern ring, the go-between, the intercommunication board, the third butt joint hole, the binding frame, fastening nut, the elasticity stripper plate, holding tank and stripper plate, make this design lubricate the bearing of motor and clear up, avoid motor bearing to use the card for a long time and pause, improve the stability of motor operation, reduce the motor shake, cushion motor mounted position simultaneously, the shaking force of buffering motor improves motor mounted position's stability.

Drawings

Fig. 1 is a schematic structural diagram of a three-phase motor with good anti-shake performance according to the present invention;

fig. 2 is a schematic structural diagram of a three-phase motor a with good anti-shake performance according to the present invention, which is partially enlarged;

fig. 3 is a schematic diagram of a locally enlarged structure of a three-phase motor B with good anti-shake performance according to the present invention.

In the figure: 1 motor shell, 2 rotating shaft, 3 anti-shake component, 4 bases, 5 connecting components, 301 supporting plate, 302 bearing, 303 butt joint plate, 304 outer ring butt joint plate, 305 inner ring butt joint plate, 306 first butt joint hole, 307 second butt joint hole, 308 housing, 309 filter screen, 310 spoiler, 311 rotating collar, 312 connecting ring, 313 communicating plate, 314 third butt joint hole, 501 binding frame, 502 fastening nut, 503 elastic extrusion plate, 504 accommodating groove, 505 extrusion plate.

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.

Referring to fig. 1-3, a three-phase motor with good anti-shake performance comprises a motor shell 1 and a rotating shaft 2 movably sleeved with the motor shell 1, wherein an anti-shake assembly 3 connected with the motor shell 1 is arranged on the outer ring of the rotating shaft 2, a base 4 is installed at the bottom of the motor shell 1, and the base 4 is connected with a connecting assembly 5 for fixing the motor shell 1;

further, the anti-vibration assembly 3 comprises a supporting plate 301 of an annular structure fixedly connected with the inner side wall of the two ends of the motor housing 1, the supporting plate 301 and the rotating shaft 2 are coaxially arranged, the inner ring of the supporting plate 301 is fixedly sleeved with a bearing 302 fixedly sleeved with the outer ring of the rotating shaft 2, the end of the supporting plate 301 not connected with the motor housing 1 is sleeved with a docking plate 303 of an annular structure, the end of the docking plate 303 far away from the supporting plate 301 is fixedly connected with a communicating plate 313 of a hollow structure, one side of the communicating plate 313 close to the adjacent supporting plate 301 is fixedly connected with an outer ring contact plate 304 of an annular structure, the inner ring of the outer ring contact plate 304 is provided with an inner ring contact plate 305 movably sleeved with the communicating plate 313, the docking plate 303 is provided with a first connecting hole 306 communicated with the communicating plate 313, the first connecting hole 306 extends out from the end of the docking plate 303 far away from the communicating plate 313, the motor housing 1 is penetrated with a second connecting hole 307 communicated with the first connecting hole 306, the end of the second docking hole 307 far away from the first docking hole 306 is provided with a housing 308 of an annular structure fixed with the motor housing 1, the inside of the housing 308 is fixedly connected with a filter screen 309 of an annular structure, the inner ring of the filter screen 309 is provided with a spoiler 310 of an annular structure fixedly connected with the end of the motor housing 1, the inner ring of the housing 308 is movably sleeved with a rotating collar 311, one end of the rotating collar 311 extending into the housing 308 is fixedly connected with blades positioned inside the housing 308, one end of the rotating collar 311 extending out of the housing 308 is fixedly connected with a connecting ring 312 fixedly connected with the rotating shaft 2, one side of the second docking hole 307 close to the rotating shaft 2 is provided with a third docking hole 314 penetrating through the motor housing 1, and the third docking hole 314 is communicated with the housing 308.

Specifically, the connecting assembly 5 includes a binding frame 501 with a U-shaped structure, fastening nuts 502 located at the bottom and the top of the base 4 are respectively sleeved at both ends of the bottom of the binding frame 501 through threads, elastic pressing plates 503 are respectively fixed at one side of the two sets of fastening nuts 502 close to each other, a mounting hole sleeved with the binding frame 501 penetrates through the base 4, an accommodating groove 504 communicated with the mounting hole is formed at the top of the base 4, a pressing plate 505 is slidably connected inside the accommodating groove 504, the pressing plate 505 is clamped with one side of the adjacent binding frame 501 through a latch clamping groove, guide grooves obliquely and downwardly arranged are formed in inner side walls at both ends of the accommodating groove 504, and the guiding groove sets up along the direction slope of holding tank 504 to mounting hole downwards, and the inside activity of guiding groove cup joints the guide rod with stripper plate 505 rigid coupling, and the bottom rigid coupling of stripper plate 505 has the spring with the inside wall rigid coupling in holding tank 504 bottom, and the equal rigid coupling in one side that two sets of elasticity stripper plates 503 are close to each other has the touch panel.

In addition, the bearing 302 includes a bearing outer ring fixedly sleeved with the inner ring of the support plate 301, the bearing outer ring is provided with a bearing inner ring fixedly sleeved with the rotating shaft 2, and sealing rings of annular structures are movably sleeved between one end of the bearing outer ring and the outer ring touch panel 304, between the other end of the bearing outer ring and the inner side wall of the motor housing 1, between one end of the bearing inner ring and the inner ring touch panel 305, and between the other end of the bearing inner ring and the inner side wall of the motor housing 1.

In addition, the outer side wall of the motor housing 1 is provided with a limit groove clamped with the binding frame 501, and the second docking hole 307 is located on the outer ring of the filter screen 309.

It is worth noting that the third docking hole 314 is located between the bearing outer race and the bearing inner race of the bearing 302.

Furthermore, one side of the communication plate 313 close to the adjacent support plate 301 is provided with a liquid inlet hole communicated with the inside of the communication plate 313, and the liquid inlet hole is positioned between the bearing outer ring and the bearing inner ring of the bearing 302.

The working principle is as follows: when the motor is used, lubricating oil for lubricating the bearing 302 is filled in the housing 308, when the motor is switched on to rotate, the rotating shaft 2 rotates, the connecting ring 312 fixedly connected with the rotating shaft 2 rotates, when the connecting ring 312 rotates, the fan blades in the housing 308 rotate, so that the lubricating oil in the housing 308 provides a flowing power, at this time, under the blockage of the spoiler 310, the lubricating oil enters the motor housing 1 from the third butt-joint hole 314, then the lubricating oil enters between the bearing inner ring and the bearing outer ring of the bearing 302, the lubricating oil flows through the gap between the bearing inner ring and the bearing outer ring, on one hand, the bearing inner ring and the bearing outer ring are lubricated, meanwhile, foreign matters generated by friction between the bearing inner ring and the bearing outer ring are conveyed out through the lubricating oil, and the lubricating oil after flowing through the bearing 302 enters from the liquid inlet hole of the connecting plate 313, finally, the lubricating liquid flows back to the interior of the housing 308 along the inner cavity of the communicating plate 313, the first butt hole 306 and the second butt hole 307, the returned lubricating liquid is filtered by the filter screen 309 and is reused after filtering, so that the bearing of the motor can be effectively lubricated and cleaned, the bearing of the motor is prevented from being blocked after being used for a long time, the running stability of the motor is improved, and the shaking of the motor is reduced;

when the motor casing is installed, the base 4 is placed on a fixing plate at a position to be installed, the binding frame 501 extends downwards from the top of the motor casing 1, the binding frame 501 is clamped on a limiting groove of the motor casing 1, then the bottom of the binding frame 501 extends downwards from an installation hole of the base 4, the binding frame 501 extends out from a fixing hole reserved on the fixing plate, then a fastening nut 502 positioned at the bottom of the base 4 is screwed on the binding frame 501 upwards from the base 4, the fastening nut 502 positioned at the bottom of the bottom plate 4 is screwed during adjustment, under the action of threads, the binding frame 501 moves downwards to enable the binding frame 501 to be clamped with the limiting groove on the motor casing 1, when an elastic extrusion plate on the fastening nut 502 positioned at the top of the base 4 is abutted against the extrusion plate 505, the extrusion plate 505 is pushed downwards along with the continuous downward movement of the binding frame 501 by the elastic extrusion plate 503, stripper plate 505 with bind frame 501 joint, accomplish the installation of motor, the vibrations power that the elasticity stripper plate 503 that is located base 4 upper and lower position can cushion the motor when using, lock the frame and die simultaneously, reduce the vibrations of motor junction, the clearance is lubricated to the bearing of motor to this design, it is very fast to avoid the long-time card that uses of motor bearing, improve the stability of motor operation, reduce the motor shake, cushion motor mounted position simultaneously, the vibrations power of buffering motor improves motor mounted position's stability.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. A three-phase motor with good anti-shake performance comprises a motor shell (1) and a rotating shaft (2) movably sleeved with the motor shell (1), and is characterized in that an anti-shake assembly (3) connected with the motor shell (1) is arranged on the outer ring of the rotating shaft (2), a base (4) is installed at the bottom of the motor shell (1), and the base (4) is connected with a connecting assembly (5) for fixing the motor shell (1);

the anti-shake component (3) comprises a supporting plate (301) of an annular structure fixedly connected with the inner side walls of two ends of a motor shell (1), the supporting plate (301) and a rotating shaft (2) are coaxially arranged, a bearing (302) fixedly connected with the outer ring of the rotating shaft (2) in a sleeved mode is fixedly sleeved on the inner ring of the supporting plate (301), a butt joint plate (303) of the annular structure is sleeved on one end, not connected with the motor shell (1), of the supporting plate (301), a communicating plate (313) of a hollow structure is fixedly connected to one end, far away from the supporting plate (301), of the butt joint plate (303), one side, close to the adjacent supporting plate (301), of the communicating plate (313) is fixedly connected with an outer ring touch plate (304) of the annular structure, an inner ring touch plate (305) movably connected with the communicating plate (313) is arranged on the inner ring of the outer ring touch plate (304), a first butt joint hole (306) communicated with the communicating plate (313) is formed in the butt joint plate (303), the first butt joint hole (306) extends out from one end of the butt joint plate (303) far away from the communication plate (313), a second butt joint hole (307) communicated with the first butt joint hole (306) penetrates through the motor shell (1), one end of the second butt joint hole (307) far away from the first butt joint hole (306) is provided with a casing (308) which is fixed with the motor shell (1) and is of an annular structure, a filter screen (309) of the annular structure is fixedly connected inside the casing (308), the inner ring of the filter screen (309) is provided with a spoiler (310) which is fixedly connected with the end part of the motor shell (1) and is of the annular structure, the inner ring of the casing (308) is movably sleeved with a rotating lantern ring (311), one end, extending into the casing (308), of the rotating lantern ring (311) is fixedly connected with blades inside the casing (308), one end, extending out of the casing (308), of the rotating lantern ring (311) is fixedly connected with a connecting ring (312) which is fixedly connected with the rotating shaft (2), one side of the second butt joint hole (307) close to the rotating shaft (2) is provided with a third butt joint hole (314) penetrating through the motor shell (1), and the third butt joint hole (314) is communicated with the housing (308);

the connecting component (5) comprises a binding frame (501) with a U-shaped structure, fastening nuts (502) positioned at the bottom and the top of the base (4) are sleeved at the two ends of the bottom of the binding frame (501) in a threaded manner, elastic extrusion plates (503) are respectively fixed at one side, close to each other, of the two groups of fastening nuts (502), a mounting hole sleeved with the binding frame (501) penetrates through the base (4), a containing groove (504) communicated with the mounting hole is formed in the top of the base (4), an extrusion plate (505) is connected to the inside of the containing groove (504) in a sliding manner, the extrusion plate (505) is clamped with one side of the adjacent binding frame (501) in a clamping manner through a clamping tooth clamping groove, guide grooves obliquely and downwards are formed in the inner side walls of the two ends of the containing groove (504), the guide grooves are obliquely and downwards arranged along the direction from the containing groove (504) to the mounting hole, guide rods fixedly connected with the extrusion plate (505) are movably sleeved in the inside of the guide grooves, the bottom of the extrusion plate (505) is fixedly connected with a spring fixedly connected with the inner side wall of the bottom of the accommodating groove (504), and one sides of the two groups of elastic extrusion plates (503) close to each other are fixedly connected with a touch plate.

2. The three-phase motor with good anti-shake performance according to claim 1, wherein the bearing (302) comprises an outer bearing ring fixedly sleeved with the inner ring of the support plate (301), the outer bearing ring is provided with an inner bearing ring fixedly sleeved with the rotating shaft (2), and annular sealing rings are movably sleeved between one end of the outer bearing ring and the outer ring touch plate (304), between the other end of the outer bearing ring and the inner side wall of the motor housing (1), between one end of the inner bearing ring and the inner ring touch plate (305), and between the other end of the inner bearing ring and the inner side wall of the motor housing (1).

3. The three-phase motor with good anti-shake performance according to claim 1, wherein a limiting groove clamped with the binding frame (501) is formed in the outer side wall of the motor housing (1), and the second butt joint hole (307) is located on the outer ring of the filter screen (309).

4. The three-phase motor with good anti-shake performance according to claim 1, wherein the third butt-joint hole (314) is located between a bearing outer ring and a bearing inner ring of the bearing (302).

5. The three-phase motor with good anti-shake performance according to claim 1, wherein a liquid inlet hole communicated with the inside of the communication plate (313) is formed in one side of the communication plate (313) close to the adjacent support plate (301), and the liquid inlet hole is located between the bearing outer ring and the bearing inner ring of the bearing (302).