CN112003409B - Motor supporting structure - Google Patents
Motor supporting structure Download PDFInfo
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- CN112003409B CN112003409B CN202010850078.8A CN202010850078A CN112003409B CN 112003409 B CN112003409 B CN 112003409B CN 202010850078 A CN202010850078 A CN 202010850078A CN 112003409 B CN112003409 B CN 112003409B
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- arc
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- fixing ring
- shaped groove
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
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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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- Engineering & Computer Science (AREA)
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- Motor Or Generator Frames (AREA)
Abstract
The invention discloses a motor supporting structure which is respectively arranged at the front end and the rear end of a motor, and comprises: the bottom surface of the ground foot is provided with a plane which is contacted with the ground, and the top surface of the ground foot is provided with an arc-shaped groove which is used for partially accommodating the machine body of the motor; mounting grooves are formed in two end faces of the arc-shaped groove; the fixing ring is buckled on the side wall of the motor at the upper part of the machine body, and the two end parts of the fixing ring are respectively connected with the two ends of the arc-shaped groove in the mounting groove by stretching into the mounting groove so as to form a sleeve with the arc-shaped groove and fix the fixing ring on the machine body. It has made the lower margin and assembles alone, can satisfy diversified assembly demand, and the lower margin atress is even simultaneously for bearing structure can satisfy higher structural mode frequency.
Description
Technical Field
The invention relates to the technical field of mechanical equipment, in particular to a motor supporting structure.
Background
Motors are now widely used in industry, and it is very important that the motor is stably supported during the use of the motor, and the following two common motor support structures are available:
1. the supporting feet are contacted with the local surface of the shell and fixed by bolts.
2. Support lower margin and casing body structure.
However, when the first support structure is adopted, the contact surface between the ground feet and the machine body is small, the local stress of the ground feet is large, and the structural stability is not facilitated; on the other hand, in view of structural mode simulation, resonance is likely to occur in the legs in a high-speed state due to a small contact surface.
And when adopting second kind bearing structure, although can satisfy the big contact surface requirement of fuselage and lower margin, the mould of a body structure is difficult to the preparation, and is unfavorable for diversified assembly demand, can not compromise different customers' assembly demand promptly.
Therefore, a motor supporting structure which can stably support the motor, is convenient to process and manufacture and meets various assembly requirements is urgently needed.
Disclosure of Invention
It is an object of the present invention to address at least the above problems and to provide at least the advantages described hereinafter.
The invention also aims to provide a motor supporting structure, which can meet diversified assembly requirements even if the ground feet are independently assembled, and meanwhile, the ground feet are uniformly stressed, so that the supporting structure can meet higher structural modal frequency.
To achieve these objects and other advantages and in accordance with the purpose of the invention, there is provided a motor support structure provided at front and rear ends of a motor, respectively, including:
the bottom surface of the ground foot is provided with a plane which is contacted with the ground, and the top surface of the ground foot is provided with an arc-shaped groove which is used for partially accommodating the machine body of the motor; mounting grooves are formed in two end faces of the arc-shaped groove;
the fixing ring is buckled on the side wall of the motor at the upper part of the machine body, and the two end parts of the fixing ring extend into the mounting groove and are respectively connected with the two ends of the arc-shaped groove, so that the fixing ring on the machine body is sleeved with the arc-shaped groove.
Preferably, in the motor supporting structure, an elastic arc-shaped supporting sheet is arranged in the arc-shaped groove, the center of the bottom end of the elastic arc-shaped supporting sheet is fixedly connected with the arc-shaped groove, and the radial length of the arc-shaped supporting sheet changes along with the radial length of the machine body placed in the arc-shaped groove; at least 6 through holes are uniformly formed in the inner wall of the arc-shaped groove at intervals along the circumferential direction of the arc-shaped groove; the through hole is internally provided with a support column, the bottom end of the support column is connected with a telescopic motor arranged inside the ground foot, and the telescopic motor controls the length of the support column so that the support column is abutted against the lower surface of the arc support sheet.
Preferably, in the motor supporting structure, a touch switch in communication connection with the telescopic motor is arranged on the top surface of the supporting column.
Preferably, in the motor support structure, a plurality of arc-shaped connecting sheets are uniformly arranged on the surface of the fixing ring facing the machine body at intervals; a connecting spring is arranged between the arc-shaped connecting sheet and the fixed ring, and two ends of the connecting spring are fixedly connected with the arc-shaped connecting sheet and the fixed ring respectively; a telescopic column with the length changing along with the length of the connecting spring is arranged in the connecting spring; the connecting spring is in a natural extension state when no external force acts on the connecting spring, and the edges of the adjacent arc-shaped connecting sheets are in contact.
Preferably, in the motor support structure, the telescopic column is composed of a hollow outer column body and a solid inner column body; the outer cylinder is sleeved outside the inner cylinder in a manner of sliding along the outer wall of the inner cylinder; the bottom end of the outer cylinder is fixedly connected with the connecting end of the connecting spring and the arc-shaped connecting sheet; the top end of the inner cylinder is fixedly connected with the connecting end of the connecting spring and the fixing ring; a first threaded hole penetrating through the inner column body is formed in the center of the inner column body along the axial direction of the inner column body; a second threaded hole communicated with the first threaded hole is formed in the corresponding position of the fixing ring; the second threaded hole and the first threaded hole are in threaded connection with a first fastening screw of which the non-nut end abuts against the arc-shaped connecting piece.
Preferably, in the motor supporting structure, a third threaded hole is formed in the fixing ring between the adjacent arc-shaped connecting sheets, and a second fastening screw with a non-nut end abutting against the surface of the machine body is in threaded connection with the third threaded hole.
Preferably, motor bearing structure in, the perpendicular to has been seted up to the bottom bilateral symmetry of mounting groove the blind hole of mounting groove lateral wall direction, be provided with supporting spring in the blind hole, the last extrusion piece of connecting of supporting spring is located the mounting groove both sides the extrusion piece is supported each other and is pushed up when no exogenic action, the bottom of mounting groove is provided with the electro-magnet, the bottom of electro-magnet is connected with the power through having elastic silica gel packing ring, the electro-magnet makes when receiving downward extrusion silica gel packing ring shrink, and with the power switch-on is used for adsorbing in order to produce the electromagnetism nature of the tip of retainer plate.
Preferably, in the motor supporting structure, the upper surface of the extrusion block is an arc surface which is inclined downwards gradually from the blind hole side to the middle of the mounting groove; and fourth threaded holes which are communicated with each other when the electromagnet is adsorbed with the end part of the fixing ring are formed in the side wall of the mounting groove and the end part of the fixing ring.
Preferably, in the motor support structure, reinforcing blocks extending in the direction away from the middle of the ground feet are arranged at two ends of the bottom of the ground feet, the reinforcing blocks and the ground feet are integrally formed, and fastening holes penetrating through the reinforcing blocks are formed in the reinforcing blocks.
Preferably, in the motor support structure, a plurality of support sheets matched with the ground feet and the reinforcing blocks in shape are stacked below the plane of the ground feet, and the support sheets are provided with second fastening holes communicated with the fastening holes; detection holes are symmetrically formed in the opposite surfaces of the two feet positioned at the front end and the rear end of the motor; the length-adjustable connecting rods which are formed by a plurality of hollow rods sleeved with each other are arranged in the detection holes, and the connecting rods in the detection holes are detachably connected with gradienters.
The invention at least comprises the following beneficial effects:
according to the motor supporting structure, the supporting structure of the motor is arranged to be the annular fixing structure consisting of the ground feet and the fixing ring, so that the supporting structure is in annular contact with a machine body, the ground feet are stressed more uniformly, and higher structural modal frequency can be met.
Lower margin and retainer plate and motor are for dismantling the setting for the lower margin can the independent design, assembles alone, and then can satisfy the assembly demand at different terminals.
The supporting structure that lower margin and retainer plate are constituteed is the circumference structure of symmetry, the manufacturing of the mould production of being convenient for and part, therefore makes low cost, convenient to popularize and use.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a structural view of a motor support structure according to the present invention;
FIG. 2 is a cross-sectional view of the motor support structure of the present invention;
FIG. 3 is an enlarged view of a portion A of FIG. 2 according to the present invention;
fig. 4 is a schematic view of a motor supported by a conventional support anchor 1;
fig. 5 is a schematic view illustrating a motor supported by the conventional support leg 2.
Detailed Description
The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description text.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
As shown in fig. 1 to 3, the present invention provides a motor support structure, which is respectively disposed at a front end and a rear end of a motor, and includes:
the bottom surface of the ground leg 2 is provided with a plane which is contacted with the ground, and the top surface of the ground leg is provided with an arc-shaped groove 3 which is used for partially accommodating the machine body 1 of the motor; mounting grooves 4 are formed in two end faces of the arc-shaped groove 3;
and the fixing ring 5 is buckled on the side wall of the motor at the upper part of the machine body 1, and the two end parts of the fixing ring are respectively connected with the two ends of the arc-shaped groove 3 in the mounting groove 4 by stretching, so that the fixing ring on the machine body 1 is sleeved with the arc-shaped groove 3.
In the above scheme, the supporting structure of the motor is set to be the annular fixing structure consisting of the ground feet and the fixing ring, the motor is supported as an integral structure, the supporting structure and the machine body form annular contact, the ground feet are stressed more uniformly, and higher structural modal frequency can be met.
Lower margin and retainer plate and motor are for dismantling the setting for the lower margin can the independent design, assemble alone, and then can satisfy the assembly demand at different terminals.
The bearing structure that lower margin and retainer plate are constituteed is the circumference structure of symmetry, the mould production of being convenient for and the manufacturing of part, therefore makes low cost, convenient to popularize and use.
In a preferable scheme, an elastic arc-shaped supporting sheet 6 is arranged in the arc-shaped groove 3, the center of the bottom end of the arc-shaped groove is fixedly connected with the arc-shaped groove 3, and the radial length of the arc-shaped supporting sheet 6 changes along with the radial length of the machine body 1 placed in the arc-shaped groove 3; at least 6 through holes are uniformly arranged on the inner wall of the arc-shaped groove 3 at intervals along the circumferential direction of the arc-shaped groove 3; a supporting column 7 is arranged in the through hole, the bottom end of the supporting column 7 is connected with a telescopic motor 18 arranged in the ground foot 2, and the telescopic motor 18 controls the length of the supporting column 7, so that the supporting column 7 is abutted against the lower surface of the arc supporting sheet 6.
In above-mentioned scheme, through the setting of arc backing sheet in the arc wall for when placing in the arc wall to the motor of different specifications, the surface homoenergetic of arc backing sheet laminates with the fuselage completely, then cooperates the support of support column, makes the lower margin inseparabler with being connected of fuselage.
In a preferable scheme, a touch switch 8 which is in communication connection with the telescopic motor 18 is arranged on the top surface of the supporting column 7.
In the above scheme, through touch switch's setting for the adjustment of flexible motor to the length of support column is more accurate, has both guaranteed the connection compactness of support column and arc backing sheet, when avoiding flexible motor drive support column length to unrestrained extension again, because of the flexible motor damage that causes of the space limit between flexible motor and arc backing sheet.
In a preferable scheme, a plurality of arc-shaped connecting sheets 9 are uniformly arranged on the surface of the fixing ring 5 facing the machine body 1 at intervals; a connecting spring 10 is arranged between the arc-shaped connecting sheet 9 and the fixed ring 5, and two ends of the connecting spring 10 are respectively fixedly connected with the arc-shaped connecting sheet 9 and the fixed ring 5; a telescopic column 11 with the length changing along with the length of the connecting spring 10 is arranged in the connecting spring 10; the connecting spring 10 is in a natural extension state when no external force acts on the connecting spring, and the edges of the adjacent arc-shaped connecting sheets 9 are in contact.
In the above scheme, through the setting of connecting spring and arc connection piece for carry out inseparable laminating with the arc connection piece to different radial fuselage homoenergetic, thereby make motor bearing structure can be applicable to the motor of multiple specification and use, and the setting of arc connection piece can make motor and bearing structure's connection face show the increase, and then makes the lower margin can satisfy higher structure modal frequency.
In a preferred scheme, the telescopic column 11 consists of a hollow outer column body 12 and a solid inner column body 13; the outer cylinder 12 is sleeved outside the inner cylinder 13 in a manner of sliding along the outer wall of the inner cylinder 13; the bottom end of the outer cylinder 12 is fixedly connected with the connecting end of the connecting spring 10 and the arc-shaped connecting sheet 9; the top end of the inner column body 13 is fixedly connected with the connecting end of the connecting spring 10 and the fixing ring 5; a first threaded hole 14 penetrating through the inner column body 13 is formed in the center of the inner column body 13 along the axial direction of the inner column body 13; a second threaded hole 15 communicated with the first threaded hole 14 is formed in the corresponding position of the fixing ring 5; the second threaded hole 15 and the first threaded hole 14 are in threaded connection with a first fastening screw 16 of which the non-nut end abuts against the arc-shaped connecting sheet 9.
In above-mentioned scheme, the retainer plate lock is back on the fuselage, because the radial length of the fuselage of different specifications is different, make connecting spring receive the extruded degree different, connecting spring's length variation drives flexible post synchronous variation, and because connecting spring's setting, make the arc connection piece laminate with the fuselage surface mutually all the time, then through the setting of the first screw hole on the solid interior cylinder, can utilize the soon of a fastening screw and first screw hole to connect, further improve the joint strength of arc connection piece and fuselage.
In a preferable scheme, a third threaded hole 17 is formed in the fixing ring 5 between the adjacent arc-shaped connecting sheets 9, and a second fastening screw with a non-nut end abutting against the surface of the machine body is in threaded connection with the third threaded hole 17.
In the above scheme, the third threaded hole and the second fastening screw are arranged, so that the fixing ring and the motor can be connected more tightly, and the unsmooth work of the motor caused by the insufficient tightness of the motor supporting structure and the motor connection is reduced.
In a preferred scheme, perpendicular to has been seted up to the bottom bilateral symmetry of mounting groove 4 the blind hole 19 of 4 lateral walls directions of mounting groove, be provided with supporting spring 20 in the blind hole 19, connecting extrusion piece 21 on supporting spring 20, being located the mounting groove 4 both sides extrusion piece 21 is supported each other when no exogenic action, the bottom of mounting groove 4 is provided with electro-magnet 22, electro-magnet 22's bottom is connected with power 24 through having elastic silica gel packing ring 23, electro-magnet 22 makes when receiving decurrent extrusion silica gel packing ring 23 shrink, and with power 24 switches on in order to produce and is used for adsorbing the electromagnetism nature of the tip of retainer plate 5.
In the above scheme, whether the retainer plate is installed in place in the mounting groove can be detected by the aid of the supporting springs and the extrusion blocks, the retainer plate is fixed through the extrusion blocks, then the retainer plate and the electromagnet are attracted through extrusion of the silica gel gasket, and connection stability is further improved.
In a preferable scheme, the upper surface of the extrusion block 21 is an arc surface which is gradually inclined downwards from the blind hole 19 side to the middle of the mounting groove 4; and fourth threaded holes which are mutually communicated when the electromagnet 22 is adsorbed with the end part of the fixing ring 5 are formed in the side wall of the mounting groove 4 and the end part of the fixing ring 5.
In the above scheme, through the setting of extrusion piece upper surface arcwall face for when the tip of retainer plate extrudees downwards, the extrusion piece that can be convenient for removes to both sides, thereby after the tip of retainer plate and mounting groove installation target in place, the extrusion piece extrudeed the tip fixedly, and the setting of fourth screw hole is deuterogamied, makes and further fixes the connection of retainer plate and lower margin through connect fastening screw at fourth screw hole internal rotation.
In a preferable scheme, two ends of the bottom surface of the anchor 2 are provided with reinforcing blocks 26 extending in a direction away from the middle of the anchor 2, the reinforcing blocks 26 and the anchor 2 are integrally formed, and the reinforcing blocks 26 are provided with fastening holes 27 penetrating through the reinforcing blocks 26.
In above-mentioned scheme, through the setting of reinforcing block, be convenient for fix bearing structure subaerial, and then improve the steadiness of motor, and reinforcing block and lower margin integrated into one piece set up, further improved the stability of lower margin structure.
In a preferable scheme, a plurality of support pieces 28 matched with the shape of the ground feet 2 and the reinforcing blocks 26 are stacked below the plane of the ground feet 2, and second fastening holes penetrating through the fastening holes 27 are formed in the support pieces 28; the opposite surfaces of the two ground feet 2 positioned at the front end and the rear end of the motor are symmetrically provided with detection holes 29; the length-adjustable connecting rods 30 consisting of a plurality of hollow rods which are sleeved with each other are arranged in the detection holes 29, and the connecting rods 30 in the two detection holes 29 are detachably connected with gradienters 31.
In above-mentioned scheme, the height of lower margin can be adjusted in the setting of backing sheet, the cooperation sets up the inspection hole on the lower margin at motor both ends, the setting of connecting rod, when the spirit level is installed on the connecting rod, can detect whether two lower margins are located same horizontal plane, then carry out the adjustment of height through the backing sheet, the flexible motor homoenergetic to the different specifications that can make of connecting rod simultaneously connects the spirit level, and then guarantees the levelness of the motor of installation, it is great to reduce the vibration that the motor caused because of the installation is improper.
Experimental data
Vibration simulation was performed on the same motor supported by the conventional support leg 1 partially contacting the motor as shown in fig. 4, the support leg 2 integrally configured with the motor as shown in fig. 5, and the support leg 3 of the present invention as shown in fig. 1, respectively, using a structural finite element analysis ANSYS, and the obtained critical frequencies are shown in table 1 below.
TABLE 1 Motor analog frequency table
| Frequency of order 1/ |
2 order frequency/Hz | |
| Support anchor 1 | 164.19 | 180.78 |
| Support the |
500.91 | 599.81 |
| Supporting |
537.79 | 807.45 |
Therefore, the critical frequency of the motor is obviously improved by using the support structure provided by the invention, particularly the critical frequency is more prominent in the 2 nd order frequency of the motor and reaches 807.45Hz, so that the support structure provided by the invention can prove that the support stability of the motor is obviously improved compared with the existing motor support structure.
While embodiments of the invention have been described above, it is not intended to be limited to the details shown, described and illustrated herein, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed, and to such extent that such modifications are readily available to those skilled in the art, and it is not intended to be limited to the details shown and described herein without departing from the general concept as defined by the appended claims and their equivalents.
Claims (9)
1. The utility model provides a motor bearing structure which characterized in that sets up respectively in the front end and the rear end of motor, includes:
the bottom surface of the ground foot is provided with a plane which is contacted with the ground, and the top surface of the ground foot is provided with an arc-shaped groove which is used for partially accommodating the machine body of the motor; mounting grooves are formed in two end faces of the arc-shaped groove;
the upper part of the machine body is buckled on the side wall of the motor, and two end parts of the fixing ring extend into the mounting groove to be respectively connected with two ends of the arc-shaped groove so as to form a fixing ring sleeved on the machine body together with the arc-shaped groove;
perpendicular to has been seted up to the bottom bilateral symmetry of mounting groove the blind hole of mounting groove lateral wall direction, be provided with supporting spring in the blind hole, the last extrusion piece of connecting of supporting spring is located the mounting groove both sides the extrusion piece is supported each other when no exogenic action, the bottom of mounting groove is provided with the electro-magnet, the bottom of electro-magnet is connected with the power through having elastic silica gel packing ring, the electro-magnet makes when receiving decurrent extrusion silica gel packing ring shrink, and with the power switch-on is used for adsorbing in order to produce the electromagnetism nature of the tip of retainer plate.
2. The motor support structure according to claim 1, wherein an elastic arc support piece having a bottom center fixedly connected to the arc-shaped groove is provided in the arc-shaped groove, and a radial length of the arc support piece varies with a radial length of a body placed in the arc-shaped groove; at least 6 through holes are uniformly formed in the inner wall of the arc-shaped groove at intervals along the circumferential direction of the arc-shaped groove; the through hole is internally provided with a support column, the bottom end of the support column is connected with a telescopic motor arranged inside the ground foot, and the telescopic motor controls the length of the support column so that the support column is abutted against the lower surface of the arc support sheet.
3. The motor support structure of claim 2, wherein a touch switch is disposed on a top surface of the support post and is in communication with the extension motor.
4. The motor support structure of claim 1, wherein a plurality of arc-shaped connecting pieces are uniformly arranged at intervals on the surface of the fixing ring facing the machine body; a connecting spring is arranged between the arc-shaped connecting sheet and the fixed ring, and two ends of the connecting spring are respectively fixedly connected with the arc-shaped connecting sheet and the fixed ring; a telescopic column with the length changing along with the length of the connecting spring is arranged in the connecting spring; the connecting spring is in a natural extension state when no external force acts on the connecting spring, and the edges of the adjacent arc-shaped connecting sheets are in contact.
5. The motor support structure according to claim 4, wherein the telescopic column is composed of a hollow outer column body and a solid inner column body; the outer column body is sleeved outside the inner column body in a sliding mode along the outer wall of the inner column body; the bottom end of the outer cylinder is fixedly connected with the connecting end of the connecting spring and the arc-shaped connecting sheet; the top end of the inner cylinder is fixedly connected with the connecting end of the connecting spring and the fixing ring; a first threaded hole penetrating through the inner column body is formed in the center of the inner column body along the axial direction of the inner column body; a second threaded hole communicated with the first threaded hole is formed in the corresponding position of the fixing ring; and the second threaded hole and the first threaded hole are in threaded connection with a first fastening screw of which the non-nut end is abutted against the arc-shaped connecting sheet.
6. The motor support structure of claim 5, wherein a third threaded hole is formed in the fixing ring between adjacent arc-shaped connecting pieces, and a second fastening screw with a non-nut end abutting against the surface of the machine body is in threaded connection with the third threaded hole.
7. The motor supporting structure according to claim 1, wherein the upper surface of the extrusion block is arranged as an arc surface which is gradually inclined downwards from the blind hole side to the middle of the mounting groove; and fourth threaded holes which are communicated with each other when the electromagnet is adsorbed with the end part of the fixing ring are formed in the side wall of the mounting groove and the end part of the fixing ring.
8. The motor supporting structure according to claim 1, wherein reinforcing blocks extending in a direction away from the middle of the anchor are provided at both ends of the bottom surface of the anchor, the reinforcing blocks and the anchor are integrally formed, and the reinforcing blocks are provided with fastening holes penetrating through the reinforcing blocks.
9. The motor support structure of claim 8, wherein a plurality of support pieces matched with the feet and the reinforcing blocks in shape are stacked below the plane of the feet, and the support pieces are provided with second fastening holes penetrating through the fastening holes; detection holes are symmetrically formed in the opposite surfaces of the two feet positioned at the front end and the rear end of the motor; the length-adjustable connecting rods which are formed by a plurality of hollow rods sleeved with each other are arranged in the detection holes, and the connecting rods in the detection holes are detachably connected with gradienters.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010850078.8A CN112003409B (en) | 2020-08-21 | 2020-08-21 | Motor supporting structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010850078.8A CN112003409B (en) | 2020-08-21 | 2020-08-21 | Motor supporting structure |
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| CN112003409A CN112003409A (en) | 2020-11-27 |
| CN112003409B true CN112003409B (en) | 2022-09-06 |
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| JP5166221B2 (en) * | 2008-12-05 | 2013-03-21 | カルソニックカンセイ株式会社 | Actuator device |
| CN206313592U (en) * | 2016-11-03 | 2017-07-07 | 中山大洋电机股份有限公司 | A kind of supporting structure of coiler fan motor |
| CN206727765U (en) * | 2017-06-02 | 2017-12-08 | 广东威灵电机制造有限公司 | Electric machine mounting device and electric motor mounting structure |
| CN207835263U (en) * | 2017-11-29 | 2018-09-07 | 贵溪多来电机科技有限公司 | A kind of brushless motor that anti-loose property is strong |
| CN207961999U (en) * | 2018-02-08 | 2018-10-12 | 杨雅莉 | A kind of smart home monitoring camera mounting bracket |
| CN208158321U (en) * | 2018-05-25 | 2018-11-27 | 江西力玛机电科技有限公司 | A kind of motor damping device |
| CN209881523U (en) * | 2019-03-27 | 2019-12-31 | 浙江迅琪科技有限公司 | Stable mounting base for elevator motor |
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