CN112994326B - Protection device for electric vehicle motor - Google Patents
Protection device for electric vehicle motor Download PDFInfo
- Publication number
- CN112994326B CN112994326B CN202110213667.XA CN202110213667A CN112994326B CN 112994326 B CN112994326 B CN 112994326B CN 202110213667 A CN202110213667 A CN 202110213667A CN 112994326 B CN112994326 B CN 112994326B
- Authority
- CN
- China
- Prior art keywords
- motor
- shell
- gear
- electric vehicle
- fixedly connected
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
-
- 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
-
- 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
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2205/00—Specific aspects not provided for in the other groups of this subclass relating to casings, enclosures, supports
- H02K2205/09—Machines characterised by drain passages or by venting, breathing or pressure compensating means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
Abstract
The invention discloses a protective device for an electric vehicle motor, which comprises a shell, a locking mechanism arranged on the inner side of the shell, a fixing mechanism arranged in the shell and positioned at one side of the locking mechanism, and a plurality of mounting plates arranged on the outer wall of the shell, wherein the locking mechanism comprises a motor fixedly arranged on the inner wall of the shell, a supporting plate fixedly connected in the shell, and a plurality of sliding rails arranged on the inner wall of the shell and positioned at the same side of the motor, an output shaft of the motor is fixedly connected with a rotating rod movably connected with the supporting plate, and one side of the rotating rod, which is close to the motor, is provided with a first thread line. The protective device for the electric vehicle motor has the advantages that the shells can be assembled together on the inner sides of the shells, other personnel cannot open the shells from the outside and cannot take away the motor, so that the protective device for the electric vehicle motor has better safety performance, meanwhile, the protective device for the electric vehicle motor has better heat dissipation effect, and the motor is not easy to damage after being used for a long time.
Description
Technical Field
The invention relates to a protection device, in particular to a protection device for an electric vehicle motor, and belongs to the technical field of electric vehicle motors.
Background
An electric vehicle, namely an electric drive vehicle, also called an electric drive vehicle, is divided into an alternating current electric vehicle and a direct current electric vehicle, and uses a battery as an energy source, and converts electric energy into mechanical energy to move through a controller, a motor and other components so as to control the speed of current change. The protection device for the existing electric vehicle motor has the following problems in the actual working process:
1. the protective shell is generally fixed on the outer side of the shell, so that other personnel can conveniently detach the shell, the motor can be taken away, and certain potential safety hazards exist;
2. the protective device for the existing electric vehicle motor has poor heat dissipation effect, and the motor is easy to damage after being used for a long time.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides the protection device for the electric vehicle motor, which can be used for assembling the shells together at the inner sides of the shells, and other personnel can not open the shells from the outside and take away the motor, so that the protection device for the electric vehicle motor has better safety performance.
In order to achieve the purpose, the invention adopts the following technical scheme: a protection device for an electric vehicle motor comprises a shell, a locking mechanism arranged on the inner side of the shell, a fixing mechanism arranged in the shell and positioned on one side of the locking mechanism, and a plurality of mounting plates arranged on the outer wall of the shell, wherein the locking mechanism comprises a motor fixedly arranged on the inner wall of the shell, a support plate fixedly connected in the shell, and a plurality of slide rails arranged on the inner wall of the shell and positioned on the same side as the motor, an output shaft of the motor is fixedly connected with a rotating rod movably connected with the support plate, a first thread line is arranged on one side, close to the motor, of the rotating rod, a bearing is embedded at a position, close to the first thread line, on the rotating rod, the rotating rod is in threaded connection with a first gear through the first thread line, a plurality of second gears respectively arranged corresponding to the plurality of slide rails are meshed with the outer side of the first gear, and each second gear is movably connected with a slide block arranged in the slide rail, every one side equipartition of keeping away from the motor on the second gear has put the locking lever of being connected with the backup pad interlude, every the second thread has all been seted up to the one end of locking lever, the casing internal fixation has arranged a plurality of and the corresponding screwed pipe of locking lever, one side fixed mounting that is close to first gear in the backup pad has the hydraulic stem.
Preferably, the housing comprises a first housing fixedly connected with the motor and a second housing fixedly connected with the plurality of threaded pipes, and the second housing is connected with the first housing in a matching manner through a plurality of positioning columns.
Preferably, the fixing mechanism comprises a fixing plate arranged on the inner wall of the second shell and connected through a plurality of springs and a plurality of threaded holes formed in the fixing plate.
Preferably, the bottom surface of the second shell is provided with heat dissipation holes, and the heat dissipation holes are fixedly connected with dust screens.
Preferably, a reinforcing rib is fixedly connected between each sliding rail and the shell.
Preferably, one end of the rotating rod is fixedly connected with a fan blade.
Compared with the prior art, the invention has the following beneficial effects:
1. through arranging the locking mechanism in the casing inboard for this protector for electric motor car motor can be in the same place the casing inboard with the casing piece together, and other personnel can't open the casing from the outside, can't take away the motor.
2. Through arranging the dust screen of fixed connection and the flabellum at bull stick one end fixed connection on louvre, the louvre on the second casing bottom surface for this protector for electric motor car motor has better radiating effect, and the motor is after long-term the use, also is difficult for damaging.
3. Through a plurality of springs arranged between the inner wall of the second shell and the fixing plate, the motor is damped to some extent, so that the motor is not easy to damage due to bumping when the electric vehicle runs.
4. Through the strengthening rib of equal fixed connection between every slide rail and casing, played better fixed action to the slide rail.
Drawings
FIG. 1 is a schematic view of the subjective structure of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
fig. 3 is an enlarged schematic view of the structure at a in fig. 2 according to the present invention.
Description of reference numerals:
1. the device comprises a first shell, a second shell, a first mounting plate, a second shell, a second mounting plate, a dust screen, a first heat dissipation hole, a second gear, a first gear, a second gear, a first sliding rail, a second sliding block, a second reinforcing rib, a first thread line, a second sliding block, a.
Detailed Description
The technical solutions in the implementation of the present invention will be made clear and fully described below with reference to the accompanying drawings, and the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 3, the protection device for an electric vehicle motor provided by the embodiment of the present invention includes a housing 2, a locking mechanism 23 disposed inside the housing 2, a fixing mechanism 17 disposed inside the housing 2 and located at one side of the locking mechanism 23, and a plurality of mounting plates 3 disposed on an outer wall of the housing 2, wherein the locking mechanism 23 includes a motor 12 fixedly mounted on an inner wall of the housing 2, a support plate 15 fixedly connected inside the housing 2, and a plurality of slide rails 8 disposed on an inner wall of the housing 2 and located at the same side as the motor 12, an output shaft of the motor 12 is fixedly connected with a rotating rod 25 movably connected with the support plate 15, one side of the rotating rod 25 close to the motor 12 is provided with a first thread 11, a bearing 27 is embedded in a position of the rotating rod 25 close to the first thread 11, the rotating rod 25 is connected with a first gear 13 through the first thread 11, the outer side of the first gear 13 is engaged and connected with a plurality of second gears 7 which are respectively arranged corresponding to a plurality of slide rails 8, each second gear 7 is movably connected with a slide block 9 arranged in the slide rail 8, one side of each second gear 7 far away from the motor 12 is uniformly provided with a locking rod 14 which is in penetrating connection with a support plate 15, one end of each locking rod 14 is provided with a second thread 22, a plurality of threaded pipes 21 corresponding to the locking rods 14 are fixedly arranged in the shell 2, one side of the support plate 15 close to the first gear 13 is fixedly provided with a hydraulic rod 26, wherein, the arrangement of a locking mechanism 23 ensures that the shell 2 can be spliced together in the inner side of the shell 2 by the protection device for the electric vehicle motor, other people can not open the shell 2 from the outside and can not take the electric vehicle motor away, and the arrangement of a fixing mechanism 17, the electric vehicle motor is convenient to fix, specifically, the motor 12 drives the first gear 13 to rotate, the first gear 13 drives the plurality of second gears 7 to rotate, the first gear 13 generates a certain displacement along the axial direction of the rotating rod 25 in the rotating process under the action of the first thread 11, and drives the plurality of second gears 7 to move along the direction of the rotating rod 25, the plurality of second gears 7 drive the sliding block 9 to move in the sliding rail 8 in the moving process, the locking rod 14 moves along with the second gear 7 towards the direction of the threaded pipe 21 continuously, and finally is in threaded connection with the threaded pipe 21, the assembly of the housing 2 is completed, when the first gear 13 moves to the bearing 27, one end of the locking rod 14 is just located at the deepest position of the threaded groove in the threaded pipe 21, at this time, the first gear 13 does not move along with the rotation of the rotating rod 25, when the housing 2 needs to be disassembled, the staff starts hydraulic stem 26, and hydraulic stem 26 pushes first gear 13 to first thread 11 on to control motor 12 reversal, first gear 13 and a plurality of second gear 7 antiport, and locking lever 14 separates with screwed pipe 21, unpacks casing 2 finally.
Preferably, the housing 2 includes a first housing 1 fixedly connected with the motor 12 and a second housing 4 fixedly connected with a plurality of threaded pipes 21, the second housing 4 is connected with the first housing 1 through a plurality of positioning posts 16 in a matching manner, and the arrangement of the plurality of positioning posts 16 facilitates the assembly of the housing 2 by related personnel.
Preferably, the fixing mechanism 17 comprises a fixing plate 19 and a plurality of threaded holes 18, the fixing plate 19 is arranged on the inner wall of the second shell 4 and connected through a plurality of springs 20, the threaded holes 18 are formed in the fixing plate 19, the fixing mechanism 17 is simple in structure and convenient to fix the electric vehicle motor, and the springs 20 are arranged to achieve certain damping effect on the electric vehicle motor, so that the electric vehicle motor is not easily damaged due to bumping when the electric vehicle runs.
Preferably, heat dissipation hole 6 has been seted up on the bottom surface of second casing 4, fixedly connected with dust screen 5 on the heat dissipation hole 6, heat dissipation hole 6 and dust screen 5's setting for this protector for electric motor car motor has better radiating effect, and the electric motor car motor is after long-term the use, also is difficult for damaging.
Preferably, each reinforcing rib 10 is fixedly connected between the slide rail 8 and the housing 2, and the arrangement of the reinforcing ribs 10 plays a good role in fixing the slide rail 8.
Preferably, the one end fixedly connected with flabellum 24 of bull stick 25, the setting of flabellum 24 has further improved this electric motor car motor protector's radiating effect, and when first gear 13 removed to bearing 27 on, the one end of check lock lever 14 just in time was located the deepest of the inside thread groove of screwed pipe 21, and at this moment, first gear 13 just no longer removed along with the rotation of bull stick 25, and bull stick 25 only drives flabellum 24 and rotates, carries out the forced air cooling to the electric motor car motor.
When the electric vehicle is used, a worker firstly fixes the electric vehicle motor on the fixing plate 19, the plurality of springs 20 are arranged to absorb shock to the electric vehicle motor to a certain extent, so that the electric vehicle is not easy to damage the electric vehicle motor due to bumping when running, then the first shell 1 and the second shell 4 are spliced together through the plurality of positioning columns 16, the motor 12 is started, the motor 12 drives the first gear 13 to rotate, the first gear 13 drives the plurality of second gears 7 to rotate, the first gear 13 can generate certain displacement along the axial direction of the rotating rod 25 in the rotating process under the action of the first thread 11 and drives the plurality of second gears 7 to move along the direction of the rotating rod 25, the plurality of second gears 7 drive the sliding block 9 to move in the sliding rail 8 in the moving process, the locking rod 14 moves towards the direction of the threaded pipe 21 along with the second gear 7, and finally connected with the threaded pipe 21 by screw thread, the assembly of the shell 2 is completed, when the first gear 13 moves to the bearing 27, one end of the locking lever 14 is just positioned at the deepest part of the threaded groove in the threaded pipe 21, at this time, the first gear 13 does not move along with the rotation of the rotating lever 25 any more, when the shell 2 needs to be disassembled, the working personnel starts the hydraulic lever 26, the hydraulic lever 26 pushes the first gear 13 to the first thread 11 and controls the motor 12 to rotate reversely, the first gear 13 and the plurality of second gears 7 move reversely, the locking lever 14 is separated from the threaded pipe 21, finally the shell 2 is disassembled, the heat dissipation holes 6 and the dust screen 5 are arranged, so that the protection device for the electric vehicle motor has better heat dissipation effect, the electric vehicle motor is not easy to damage after long-term use, the arrangement of the reinforcing ribs 10 plays a better fixing role for the slide rail 8, and the arrangement of the fan blades 24, further improved this protector for electric motor car motor's radiating effect, when first gear 13 removed to bearing 27 on, the one end of check lock lever 14 just in time was located the deepest of the inside thread groove of screwed pipe 21, at this moment, first gear 13 just no longer removed along with the rotation of bull stick 25, and bull stick 25 only drives flabellum 24 and rotates, carries out the forced air cooling to the electric motor car motor.
In conclusion, the protective device for the electric vehicle motor has the advantages that the shells can be assembled together on the inner sides of the shells, other personnel cannot open the shells from the outside and cannot take away the motor, so that the protective device for the electric vehicle motor has better safety performance, meanwhile, the protective device for the electric vehicle motor has better heat dissipation effect, and the motor is not easy to damage after being used for a long time.
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.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the embodiments may be appropriately combined to form other embodiments understood by those skilled in the art.
Claims (4)
1. The protection device for the electric vehicle motor is characterized by comprising a shell, a locking mechanism arranged on the inner side of the shell, a fixing mechanism arranged in the shell and positioned on one side of the locking mechanism, and a plurality of mounting plates arranged on the outer wall of the shell, wherein the locking mechanism comprises a motor fixedly arranged on the inner wall of the shell, a support plate fixedly connected in the shell, and a plurality of slide rails arranged on the inner wall of the shell and positioned on the same side as the motor, an output shaft of the motor is fixedly connected with a rotating rod movably connected with the support plate, one side of the rotating rod, which is close to the motor, is provided with a first thread, a bearing is embedded at the position, which is close to the first thread, on the rotating rod, the rotating rod is connected with a first gear through the first thread, the outer side of the first gear is in meshed connection with a plurality of second gears respectively arranged corresponding to the plurality of slide rails, and each second gear is movably connected with a slide block arranged in the slide rail, a locking rod which is in penetrating connection with a support plate is uniformly arranged on one side, far away from the motor, of each second gear, a second thread line is arranged at one end of each locking rod, a plurality of threaded pipes corresponding to the locking rods are fixedly arranged in the shell, and a hydraulic rod is fixedly arranged on one side, close to the first gear, of the support plate;
the shell comprises a first shell fixedly connected with the motor and a second shell fixedly connected with the threaded pipes, and the second shell is connected with the first shell in a matched manner through a plurality of positioning columns;
the fixing mechanism comprises a fixing plate and a plurality of threaded holes, the fixing plate is arranged on the inner wall of the second shell and connected through a plurality of springs, and the threaded holes are formed in the fixing plate;
the locking mechanism is disposed within the first housing;
during the use, at first fix the electric motor car motor on the fixed plate, be in the same place first casing and second casing concatenation through a plurality of reference column after that, start locking mechanism's motor, the first gear of motor drive rotates, and a plurality of second gear of first gear drive rotates, and under the effect of first thread line, first gear can be at the axial production displacement of pivoted in-process along the bull stick to drive a plurality of second gear and remove along the direction of bull stick, a plurality of second gear drives the slider and removes in the slide rail at the in-process that removes, and the check lock lever follows the second gear and removes towards the screwed pipe, and finally together with screwed pipe threaded connection, accomplish assembling of casing.
2. The protection device for the electric vehicle motor as claimed in claim 1, wherein a heat dissipation hole is formed in a bottom surface of the second housing, and a dust screen is fixedly connected to the heat dissipation hole.
3. The protection device for the electric vehicle motor as claimed in claim 1, wherein a reinforcing rib is fixedly connected between each slide rail and the housing.
4. The protection device for the electric vehicle motor as claimed in claim 1, wherein one end of the rotating rod is fixedly connected with a fan blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110213667.XA CN112994326B (en) | 2021-02-26 | 2021-02-26 | Protection device for electric vehicle motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110213667.XA CN112994326B (en) | 2021-02-26 | 2021-02-26 | Protection device for electric vehicle motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112994326A CN112994326A (en) | 2021-06-18 |
| CN112994326B true CN112994326B (en) | 2022-01-28 |
Family
ID=76350829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110213667.XA Active CN112994326B (en) | 2021-02-26 | 2021-02-26 | Protection device for electric vehicle motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112994326B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113937946B (en) * | 2021-11-05 | 2022-08-19 | 温州晔润电机有限公司 | Motorcycle starting motor convenient to maintenance |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105391224A (en) * | 2014-08-21 | 2016-03-09 | 尼得科电机有限公司 | Integrated motor and controller with internal heat sink and snap-on dripshield |
| CN106099528A (en) * | 2016-07-21 | 2016-11-09 | 郑静 | A kind of safe power supply interface arrangement |
| CN106129715A (en) * | 2016-07-21 | 2016-11-16 | 龚云新 | A kind of security power electric supply installation |
| CN109088499A (en) * | 2018-10-09 | 2018-12-25 | 湖北新日电动车有限公司 | A kind of electric vehicle motor safeguard |
| CN211336257U (en) * | 2020-01-03 | 2020-08-25 | 国大(天津)科技发展股份有限公司 | Built-in anti-theft lock of electric motor car motor |
| CN211405677U (en) * | 2020-03-12 | 2020-09-01 | 深圳市友杰电机科技有限公司 | Multifunctional shell for motor |
| CN211995455U (en) * | 2020-01-08 | 2020-11-24 | 徐州大泰机电科技有限公司 | Electric vehicle controller with timing and speed reminding functions |
-
2021
- 2021-02-26 CN CN202110213667.XA patent/CN112994326B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105391224A (en) * | 2014-08-21 | 2016-03-09 | 尼得科电机有限公司 | Integrated motor and controller with internal heat sink and snap-on dripshield |
| CN106099528A (en) * | 2016-07-21 | 2016-11-09 | 郑静 | A kind of safe power supply interface arrangement |
| CN106129715A (en) * | 2016-07-21 | 2016-11-16 | 龚云新 | A kind of security power electric supply installation |
| CN109088499A (en) * | 2018-10-09 | 2018-12-25 | 湖北新日电动车有限公司 | A kind of electric vehicle motor safeguard |
| CN211336257U (en) * | 2020-01-03 | 2020-08-25 | 国大(天津)科技发展股份有限公司 | Built-in anti-theft lock of electric motor car motor |
| CN211995455U (en) * | 2020-01-08 | 2020-11-24 | 徐州大泰机电科技有限公司 | Electric vehicle controller with timing and speed reminding functions |
| CN211405677U (en) * | 2020-03-12 | 2020-09-01 | 深圳市友杰电机科技有限公司 | Multifunctional shell for motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112994326A (en) | 2021-06-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112994326B (en) | Protection device for electric vehicle motor | |
| CN109560667A (en) | New energy automobile motor | |
| CN112886770A (en) | Permanent magnet synchronous motor based on efficient heat dissipation mechanism | |
| CN215646486U (en) | Improved generation high efficiency noise reduction amortization motor | |
| CN214256035U (en) | Motor easy to radiate heat | |
| CN208873084U (en) | A kind of main frame easy to repair | |
| CN214592371U (en) | Novel refrigeration air conditioning equipment control box | |
| CN209994185U (en) | Generating set convenient to overhaul | |
| CN112286311B (en) | Computer machine case with buffer mechanism takes precautions against earthquakes | |
| CN212011745U (en) | Direct current screen convenient to heat dissipation | |
| CN213394498U (en) | But angle regulation's security protection monitoring device | |
| CN113412038A (en) | Hard connection transmission double-motor parallel connection frequency conversion controller | |
| CN220267987U (en) | Housing cooling fan | |
| CN212374524U (en) | High-speed copper strip shielding winding machine | |
| CN215990450U (en) | Stepping motor with efficient heat dissipation structure | |
| CN214967495U (en) | Physical rapid cooling device for emergency internal medicine | |
| CN214499316U (en) | Damping device for wind driven generator | |
| CN216959524U (en) | Spliced permanent magnet generator shell | |
| CN215576421U (en) | Novel storage server case with good heat dissipation effect | |
| CN114244026B (en) | Marine motor assembly | |
| CN218542588U (en) | Hydraulic pump protection device | |
| CN215528781U (en) | Motor of making an uproar falls with heat dissipation | |
| CN220326054U (en) | Electrical cabinet | |
| CN216343059U (en) | Axial fan vibration/noise reduction device | |
| CN113548514A (en) | High-speed copper strip shielding winding machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |