CN112737201A - Three-phase alternating current motor vibration noise suppression device - Google Patents
Three-phase alternating current motor vibration noise suppression device Download PDFInfo
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- CN112737201A CN112737201A CN202011616236.XA CN202011616236A CN112737201A CN 112737201 A CN112737201 A CN 112737201A CN 202011616236 A CN202011616236 A CN 202011616236A CN 112737201 A CN112737201 A CN 112737201A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/26—Structural association of machines with devices for cleaning or drying cooling medium, e.g. with filters
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The invention discloses a vibration noise suppression device of a three-phase alternating current motor, relates to the technical field of motors, and solves the problems that the existing noise suppression device is not ideal in sound insulation effect by using sound-absorbing cotton and insufficient in noise reduction degree mainly through noise isolation. A three-phase AC motor vibration noise suppression device comprises a vacuum shell; a mortar shell is fixedly arranged inside the vacuum shell, and the outer wall of the mortar shell is tightly attached to the inner wall of the vacuum shell; set up to the pit groove structure in the middle of the inboard bottom of mortar shell, the fixed two sets of draw runners that are provided with in top both sides of pit groove structure, the draw runner top slides and is provided with the motor and holds in the palm, through being provided with vacuum shell and mortar shell, can carry out the sealed sound insulation with the motor, vacuum shell and mortar shell can provide double-deck syllable-dividing effect, can reduce external noise by a wide margin to the bottom of mortar shell sets up alone, can utilize the parallel bar height-adjusting, so that be applicable to the motor of different grade type.
Description
Technical Field
The invention relates to the technical field of motors, in particular to a three-phase alternating current motor vibration noise suppression device.
Background
The three-phase alternating current motor is an alternating current motor driven by three-phase alternating current; the three-phase motor is characterized in that when three-phase stator windings (with the difference of 120 electrical degrees) of the motor are electrified with three-phase alternating current, a rotating magnetic field is generated and cuts a rotor winding to generate electricity.
A patent of patent No. CN110429751A, for example, discloses a three-phase ac motor vibration noise suppression device, which includes sound-absorbing cotton and a ventilation heat dissipation fan; the motor mounting plate is of a rectangular plate-shaped structure, the rubber cushion and the mounting rubber strip are respectively mounted on the upper side end face and the lower side end face of the motor mounting plate, and the three-phase alternating-current motor is mounted on the top end face of the motor mounting plate; the noise reduction shell is of an arc-shaped cover mounting structure, the noise reduction shell is mounted on the end face of the top of the motor mounting plate, and the three-phase alternating-current motor is positioned in the noise reduction shell; when the three-phase alternating current motor works, the noise is absorbed by the sound absorption cotton arranged on the inner wall of the noise reduction shell, the noise decibel of the three-phase alternating current motor is weakened, and the influence of the noise of the three-phase alternating current motor on the external working environment is reduced; and the setting of the bleeder vent of the shell both sides of making an uproar falls, the accessible bleeder vent is to falling the inside work of ventilating of the shell of making an uproar, the inside three-phase alternating current motor installation area ventilation effect of the shell of making an uproar of guaranteeing to fall.
However, the noise suppression device used at present is not ideal in sound insulation effect by using sound-absorbing cotton mainly through noise isolation, is not enough in noise reduction degree, and the sound-absorbing cotton needs to be fixed outside a motor, is easy to influence the heat dissipation effect and the like of the motor, is not beneficial to long-term use of the motor, therefore, the existing requirement is not met, and a three-phase alternating current motor vibration noise suppression device is provided.
Disclosure of Invention
Problem (A)
The invention aims to provide a vibration noise suppression device for a three-phase alternating current motor, which aims to solve the problems that the conventional noise suppression device provided by the background technology is not ideal in sound insulation effect by using sound absorption cotton mainly through noise isolation, is not enough in noise reduction degree, is easy to influence the heat dissipation effect and the like of the motor because the sound absorption cotton needs to be fixed outside the motor, and is not beneficial to long-term use of the motor.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: a three-phase AC motor vibration noise suppression device comprises a vacuum shell; a mortar shell is fixedly arranged inside the vacuum shell, and the outer wall of the mortar shell is tightly attached to the inner wall of the vacuum shell; the middle of the bottom of the inner side of the mortar shell is provided with a pit structure, two groups of sliding strips are fixedly arranged on two sides of the top of the pit structure, and a motor support is arranged on the top of each sliding strip in a sliding manner; a limiting block structure is integrally arranged at the rear side of the bottom of the motor support, and the limiting block structure and the pit groove structure of the mortar shell are mutually limited; the top of the motor support is fixedly provided with a motor; the upper side and the lower side of the front end of the vacuum shell are both provided with a sliding strip structure, and the front side of the vacuum shell is provided with a sliding cover in a sliding manner through the sliding strip structure; the sliding cover also comprises a fan cylinder; the middle of the adjacent position of the sliding cover is provided with a semicircular groove, and a rotating sleeve is rotatably arranged in the semicircular groove in a manner of matching with a bearing; two groups of fan cylinders are integrally arranged on the front side of the sliding cover.
Preferably, hollow layers are arranged inside the vacuum shell and the mortar shell, rubber cushion blocks are fixedly arranged in the hollow layers of the vacuum shell and the mortar shell, and the centers of circles of the rubber cushion blocks inside the vacuum shell and the mortar shell are aligned; the bottom surface of the mortar shell is arranged independently, and the bottom surface of the mortar shell slides in the side surface of the mortar shell.
Preferably, four rows of parallel rods are rotatably arranged at the bottom of the mortar shell and the top of the inner side of the vacuum shell through hinges, a long U-shaped frame is arranged in the middle of the three rows of parallel rods through hinges, a short U-shaped frame is arranged in the middle of the other row of parallel rods through hinges, a jacking screw rod is rotatably arranged in the middle of the short U-shaped frame, and the threaded end of the jacking screw rod is jacked in the middle of the long U-shaped frame; the directions of the parallel rods connected with the long U-shaped frame and the short U-shaped frame are opposite.
Preferably, the inner parts of the two sides of the mortar shell are fixedly provided with a convex block structure close to the front part, a connecting pin is arranged in the convex block structure in a sliding manner, the main body of the connecting pin is of a U-shaped structure, and the bottom ends of the two sides of the connecting pin are of ball head structures; a baffle is arranged on the outer side of the bottom of the connecting pin, and a spring is sleeved between the top of the baffle and the bump structure; positioning blocks are fixedly arranged at two ends of the front side of the motor support, the positioning blocks extend outwards, a through groove is formed in the middle of the top of each positioning block, and the edge of the top of each through groove is of a cambered surface structure; the bottom of the connecting pin is inserted into the through groove of the positioning block in a self-locking mode through the spring, and when the top of the connecting pin rises to be attached to the inner side of the top of the mortar shell, the connecting pin can be separated from the through groove of the positioning block.
Preferably, the middle of the rear ends of the vacuum shell and the mortar shell are both provided with a cylindrical structure, the cylindrical structures of the vacuum shell and the mortar shell are attached, and the outer side of the rear end of the cylindrical structure of the vacuum shell is fixedly provided with a filter sleeve; the outside of crossing the filter sleeve is T shape structure, crosses the inboard fixed soundproof cotton that is provided with of filter sleeve.
Preferably, the sliding cover further comprises a driven gear and a fan blade; a driven gear is rotatably arranged at the rear side of the middle of the fan cylinder through a rotating shaft; the front ends of the rotating shafts of the driven gears are all fixedly provided with fan blades, and the fan blades are all arranged in the fan cylinder; an auxiliary sliding layer is fixedly arranged on the inner side of the sliding cover, and the internal structure of the auxiliary sliding layer is the same as that of the mortar shell; the internal structure of the sliding cover is the same as that of the vacuum shell; the upper end and the lower end of the adjacent edge of the front side of the sliding cover are integrally provided with a lock catch structure.
Preferably, the rotating sleeve further comprises a fixed jackscrew and a rubber ring; the top and the bottom of the rotary sleeve are uniformly provided with a threaded cylinder structure, and a fixed jackscrew is arranged in the threaded cylinder structure through threaded connection; the inboard fixed rubber ring that is provided with of swivel sleeve, the both sides of rubber ring and the inside fixed connection of swivel sleeve.
Preferably, the rear end of the outer side of the rotating sleeve is fixedly provided with a transmission gear ring, the transmission gear ring is fixedly provided with a rubber sound-insulating hopper meshed with the driven gear and engaged with the front end of the rotating sleeve, and the rubber sound-insulating hopper is internally laminated with silencing cotton.
(III) advantageous effects
The invention provides a three-phase alternating current motor vibration noise suppression device, which can carry out sealed sound insulation on a motor by arranging a vacuum shell and a mortar shell, wherein the vacuum shell and the mortar shell can provide double-layer sound insulation effect, can greatly reduce external noise, and the bottom of the mortar shell is independently arranged, and can be adjusted in height by utilizing parallel rods so as to be suitable for motors of different types.
Secondly, the setting of swivel mount, driving ring gear and fan leaf provides the function of continuously cooling down for the mortar shell, and it is rotatory to utilize the motor to drive the swivel mount, and it is rotatory to further utilize the driving ring gear to drive driven gear, and driven gear drives the fan leaf rotation, with the air escape in the mortar shell, guarantees the radiating effect of motor, is favorable to the long-term use of motor.
Moreover, through setting up the filter sleeve, can provide the wall effect to vacuum shell and mortar shell, the fixed filter sleeve that is provided with in the rear end outside of vacuum shell and mortar shell can guarantee the circulation of air in the mortar shell, and the motor is the three-phase motor simultaneously, if the reversal can pass the inside reverse flow of mortar shell after the filtration with the air equally.
Drawings
FIG. 1 is a schematic perspective front view of an embodiment of the present invention;
FIG. 2 is a schematic perspective rear view structure in an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of an embodiment of the present invention;
FIG. 4 is a schematic bottom view of the embodiment of the present invention;
FIG. 5 is a schematic view of a partially disassembled structure in an embodiment of the present invention;
FIG. 6 is a schematic view of a partial axial side structure in an embodiment of the present invention;
FIG. 7 is a partial bottom view of an embodiment of the present invention;
FIG. 8 is a schematic axial side view of a rotary sleeve according to an embodiment of the present invention;
in fig. 1 to 8, the correspondence between the part names or lines and the reference numbers is:
1. a vacuum shell; 2. a mortar shell; 201. a connecting pin; 3. a motor support; 301. positioning blocks; 4. a motor; 5. a filter sleeve; 6. a parallel bar; 7. a long U-shaped frame; 8. a short U-shaped frame; 9. tightly pushing the screw; 10. a sliding cover; 1001. a fan cylinder; 1002. a driven gear; 1003. a fan blade; 11. a secondary slip layer; 12. a rotating sleeve; 1201. fixing the jackscrew; 1202. a rubber ring; 13. a transmission gear ring; 14. a rubber sound-insulating hopper; 15. and a rubber cushion block.
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 to 8, an embodiment of the present invention includes: a three-phase AC motor vibration noise suppression device comprises a vacuum shell 1; a mortar shell 2 is fixedly arranged inside the vacuum shell 1, and the outer wall of the mortar shell 2 is tightly attached to the inner wall of the vacuum shell 1; the middle of the bottom of the inner side of the mortar shell 2 is provided with a pit structure, two groups of sliding strips are fixedly arranged on two sides of the top of the pit structure, and a motor support 3 is arranged on the top of each sliding strip in a sliding manner; hollow layers are arranged inside the vacuum shell 1 and the mortar shell 2, rubber cushion blocks 15 are fixedly arranged in the hollow layers of the vacuum shell 1 and the mortar shell 2, and the centers of circles of the rubber cushion blocks 15 inside the vacuum shell 1 and the mortar shell 2 are aligned; the bottom surface of the mortar shell 2 is independently arranged, and the bottom surface of the mortar shell 2 slides in the side surface of the mortar shell 2; the bottom of the mortar shell 2 and the top of the inner side of the vacuum shell 1 are rotatably provided with four rows of parallel rods 6 through hinges, the middle of the three rows of parallel rods 6 is provided with a long U-shaped frame 7 through hinges, the middle of the other row of parallel rods 6 is provided with a short U-shaped frame 8 through hinges, the middle of the short U-shaped frame 8 is rotatably provided with a jacking screw rod 9, and the threaded end of the jacking screw rod 9 is jacked in the middle of the long U-shaped frame 7; the directions of the parallel rods 6 connected with the long U-shaped frame 7 and the short U-shaped frame 8 are opposite; a limiting block structure is integrally arranged at the rear side of the bottom of the motor support 3, and the limiting block structure and the pit groove structure of the mortar shell 2 are limited mutually; wherein, the inner parts of the two sides of the mortar shell 2 near the front are fixedly provided with a convex block structure, a connecting pin 201 is arranged in the convex block structure in a sliding manner, the main body of the connecting pin 201 is of a U-shaped structure, and the bottom ends of the two sides of the connecting pin 201 are of ball head structures; the middle of the rear ends of the vacuum shell 1 and the mortar shell 2 are respectively provided with a cylindrical structure, the cylindrical structures of the vacuum shell 1 and the mortar shell 2 are attached, and the outer side of the rear end of the cylindrical structure of the vacuum shell 1 is fixedly provided with a filter sleeve 5; the outer side of the filter sleeve 5 is of a T-shaped structure, and sound insulation cotton is fixedly arranged on the inner side of the filter sleeve 5; a blocking piece is arranged on the outer side of the bottom of the connecting pin 201, and a spring is sleeved between the top of the blocking piece and the bump structure; positioning blocks 301 are fixedly arranged at two ends of the front side of the motor support 3, the positioning blocks 301 extend outwards, a through groove is formed in the middle of the top of each positioning block 301, and the edge of the top of each through groove is of a cambered surface structure; the bottom of the connecting pin 201 is inserted into the through groove of the positioning block 301 in a self-locking manner through a spring, and when the top of the connecting pin 201 rises to be attached to the inner side of the top of the mortar shell 2, the connecting pin 201 can be separated from the through groove of the positioning block 301; the top of the motor support 3 is fixedly provided with a motor 4; the upper side and the lower side of the front end of the vacuum shell 1 are both provided with a slide bar structure, and the front side of the vacuum shell 1 is provided with a sliding cover 10 in a sliding manner through the slide bar structure; the slide cover 10 further includes a fan cylinder 1001; a semicircular groove is formed in the middle of the adjacent position of the sliding cover 10, and a rotating sleeve 12 is rotatably arranged in the semicircular groove in a manner of matching with a bearing; two groups of fan cylinders 1001 are integrally arranged on the front side of the sliding cover 10; the sliding cover 10 further includes a driven gear 1002 and a fan blade 1003; a driven gear 1002 is rotatably arranged on the rear side of the middle of the fan cylinder 1001 through a rotating shaft; the front ends of the rotating shafts of the driven gears 1002 are fixedly provided with fan blades 1003, and the fan blades 1003 are arranged in the fan barrel 1001; an auxiliary sliding layer 11 is fixedly arranged on the inner side of the sliding cover 10, and the internal structure of the auxiliary sliding layer 11 is the same as that of the mortar shell 2; the inner structure of the sliding cover 10 is the same as that of the vacuum shell 1; the upper end and the lower end of the adjacent edge of the front side of the sliding cover 10 are integrally provided with a locking structure.
Wherein, the rotary sleeve 12 also comprises a fixed jackscrew 1201 and a rubber ring 1202; the top and the bottom of the rotary sleeve 12 are integrally provided with a threaded cylinder structure, and a fixed jackscrew 1201 is connected in the threaded cylinder structure through threads; the inner side of the rotary sleeve 12 is fixedly provided with a rubber ring 1202, and two sides of the rubber ring 1202 are fixedly connected with the inner part of the rotary sleeve 12.
Wherein, the outside rear end of rotary sleeve 12 is fixed and is provided with transmission ring gear 13, and the front end that transmission ring gear 13 and driven gear 1002 meshing rotary sleeve 12 is fixed and is provided with rubber sound-proof hopper 14, and the inside laminating of rubber sound-proof hopper 14 is provided with the amortization cotton.
The working principle is as follows: when the motor support is used, the sliding cover 10 is pushed to the two sides, the connecting pin 201 is lifted, the motor support 3 is pulled out, the motor 4 is fixed to the top of the motor support 3, then the motor support 3 is pushed back into the mortar shell 2, and the connecting pin 201 is matched with the positioning block 301 to fix the position of the motor support 3, so that the motor 4 is fixed; the jacking screw rod 9 is rotated, the jacking screw rod 9 can reversely jack the long U-shaped frame 7 and the short U-shaped frame 8, the motor support 3 is uniformly dragged, and the height of the rotating shaft of the motor 4 is adjusted to be in circular consistent position with the middle arc of the sliding cover 10.
Combining the two groups of sliding covers 10, fixing the rotating sleeve 12 by using the sliding covers 10, and fixing the rotating sleeve 12 and the rubber sound-insulating hopper 14 outside the rotating shaft of the motor 4 through the fixed jackscrew 1201 and the rubber ring 1202; when the motor 4 is used, the rotating shaft of the motor 4 simultaneously drives the rotating sleeve 12 to rotate, the transmission toothed ring 13 outside the rotating sleeve 12 drives the driven gear 1002 and the fan blades 1003 to rotate, the fan blades 1003 suck external air into the mortar shell 2, and further the air is discharged from the filter sleeve 5, so that the air inside the mortar shell 2 circulates, and the heat of the motor 4 is dissipated. The noise generated by the motor 4 can be isolated by the vacuum structure inside the vacuum shell 1 and the mortar inside the mortar shell 2.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. 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.
Claims (8)
1. A three-phase AC motor vibration noise suppression device is characterized in that: comprises a vacuum shell (1); the mortar shell (2) is fixedly arranged inside the vacuum shell (1), and the outer wall of the mortar shell (2) is tightly attached to the inner wall of the vacuum shell (1); the middle of the bottom of the inner side of the mortar shell (2) is provided with a pit structure, two groups of sliding strips are fixedly arranged on two sides of the top of the pit structure, and a motor support (3) is arranged on the top of each sliding strip in a sliding manner; a limiting block structure is integrally arranged at the rear side of the bottom of the motor support (3), and the limiting block structure and the pit groove structure of the mortar shell (2) are limited mutually; a motor (4) is fixedly arranged at the top of the motor support (3); the upper side and the lower side of the front end of the vacuum shell (1) are respectively provided with a sliding strip structure, and the front side of the vacuum shell (1) is provided with a sliding cover (10) in a sliding way through the sliding strip structure; the sliding cover (10) further comprises a fan cylinder (1001); the middle of the adjacent position of the sliding cover (10) is provided with a semicircular groove, and a rotating sleeve (12) is rotatably arranged in the semicircular groove in a manner of matching with a bearing; two sets of fan cylinders (1001) are integrally arranged on the front side of the sliding cover (10).
2. The vibration noise suppression device for a three-phase alternating-current motor according to claim 1, characterized in that: hollow layers are arranged inside the vacuum shell (1) and the mortar shell (2), rubber cushion blocks (15) are fixedly arranged in the hollow layers of the vacuum shell (1) and the mortar shell (2), and the centers of circles of the rubber cushion blocks (15) inside the vacuum shell (1) and the mortar shell (2) are aligned; the bottom surface of the mortar shell (2) is independently arranged, and the bottom surface of the mortar shell (2) slides in the side surface of the mortar shell (2).
3. The vibration noise suppression device for a three-phase alternating-current motor according to claim 1, characterized in that: the bottom of the mortar shell (2) and the top of the inner side of the vacuum shell (1) are rotatably provided with four rows of parallel rods (6) through hinged connection, the middle of three rows of parallel rods (6) is provided with a long U-shaped frame (7) through hinged connection, the middle of the other row of parallel rods (6) is provided with a short U-shaped frame (8) through hinged connection, the middle of the short U-shaped frame (8) is rotatably provided with a jacking screw rod (9), and the threaded end of the jacking screw rod (9) is jacked in the middle of the long U-shaped frame (7); the directions of the parallel rods (6) connected with the long U-shaped frame (7) and the short U-shaped frame (8) are opposite.
4. The vibration noise suppression device for a three-phase alternating-current motor according to claim 1, characterized in that: the mortar shell (2) is characterized in that a convex block structure is fixedly arranged near the front inside the two sides of the mortar shell (2), a connecting pin (201) is arranged in the convex block structure in a sliding mode, the main body of the connecting pin (201) is of a U-shaped structure, and the bottom ends of the two sides of the connecting pin (201) are of ball head structures; a blocking piece is arranged on the outer side of the bottom of the connecting pin (201), and a spring is sleeved between the top of the blocking piece and the bump structure; positioning blocks (301) are fixedly arranged at two ends of the front side of the motor support (3), the positioning blocks (301) extend outwards, a through groove is formed in the middle of the top of each positioning block (301), and the edge of the top of each through groove is of a cambered surface structure; the bottom of the connecting pin (201) is inserted into the through groove of the positioning block (301) in a self-locking mode through a spring, and when the top of the connecting pin (201) rises to be attached to the inner side of the top of the mortar shell (2), the connecting pin (201) can be separated from the through groove of the positioning block (301).
5. The vibration noise suppression device for a three-phase alternating-current motor according to claim 1, characterized in that: the middle parts of the rear ends of the vacuum shell (1) and the mortar shell (2) are respectively provided with a cylindrical structure, the cylindrical structures of the vacuum shell (1) and the mortar shell (2) are attached, and the outer side of the rear end of the cylindrical structure of the vacuum shell (1) is fixedly provided with a filter sleeve (5); the outer side of the filter sleeve (5) is of a T-shaped structure, and sound insulation cotton is fixedly arranged on the inner side of the filter sleeve (5).
6. The vibration noise suppression device for a three-phase alternating-current motor according to claim 1, characterized in that: the sliding cover (10) also comprises a driven gear (1002) and a fan blade (1003); a driven gear (1002) is rotatably arranged on the rear side of the middle of the fan cylinder (1001) through a rotating shaft; the front ends of the rotating shafts of the driven gears (1002) are fixedly provided with fan blades (1003), and the fan blades (1003) are arranged in the fan cylinder (1001); an auxiliary sliding layer (11) is fixedly arranged on the inner side of the sliding cover (10), and the internal structure of the auxiliary sliding layer (11) is the same as that of the mortar shell (2); the internal structure of the sliding cover (10) is the same as that of the vacuum shell (1); the upper end and the lower end of the adjacent edge of the front side of the sliding cover (10) are integrally provided with a lock catch structure.
7. The vibration noise suppression device for a three-phase alternating-current motor according to claim 1, characterized in that: the rotating sleeve (12) further comprises a fixed jackscrew (1201) and a rubber ring (1202); the top and the bottom of the rotary sleeve (12) are integrally provided with a threaded cylinder structure, and a fixed jackscrew (1201) is connected in the threaded cylinder structure through a thread; the inner side of the rotary sleeve (12) is fixedly provided with a rubber ring (1202), and two sides of the rubber ring (1202) are fixedly connected with the inner part of the rotary sleeve (12).
8. The vibration noise suppression device for a three-phase alternating-current motor according to claim 1, characterized in that: the rear end of the outer side of the rotating sleeve (12) is fixedly provided with a transmission gear ring (13), the transmission gear ring (13) is fixedly provided with a rubber sound-insulating hopper (14) in engagement with the driven gear (1002) and at the front end of the rotating sleeve (12), and the rubber sound-insulating hopper (14) is internally provided with silencing cotton in a fitting manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011616236.XA CN112737201A (en) | 2020-12-30 | 2020-12-30 | Three-phase alternating current motor vibration noise suppression device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011616236.XA CN112737201A (en) | 2020-12-30 | 2020-12-30 | Three-phase alternating current motor vibration noise suppression device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112737201A true CN112737201A (en) | 2021-04-30 |
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ID=75610378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011616236.XA Withdrawn CN112737201A (en) | 2020-12-30 | 2020-12-30 | Three-phase alternating current motor vibration noise suppression device |
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| Country | Link |
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| CN (1) | CN112737201A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114285219A (en) * | 2021-12-29 | 2022-04-05 | 湖北富奈塑业有限公司 | Motor housing capable of effectively reducing motor noise |
-
2020
- 2020-12-30 CN CN202011616236.XA patent/CN112737201A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114285219A (en) * | 2021-12-29 | 2022-04-05 | 湖北富奈塑业有限公司 | Motor housing capable of effectively reducing motor noise |
| CN114285219B (en) * | 2021-12-29 | 2023-08-22 | 湖北富奈塑业有限公司 | Motor housing capable of effectively reducing motor noise |
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Application publication date: 20210430 |