CN114665652B - Motor damping mechanism of electric vehicle - Google Patents
Motor damping mechanism of electric vehicle Download PDFInfo
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- CN114665652B CN114665652B CN202210352243.6A CN202210352243A CN114665652B CN 114665652 B CN114665652 B CN 114665652B CN 202210352243 A CN202210352243 A CN 202210352243A CN 114665652 B CN114665652 B CN 114665652B
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- mounting seat
- rubber
- threaded sleeve
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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
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/006—Structural association of a motor or generator with the drive train of a motor vehicle
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- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a motor damping mechanism of an electric vehicle, and belongs to the technical field of electric vehicles. Comprises a frame and a mounting seat; the mounting seat is U-shaped, a shock pad is arranged between the mounting seat bottom plate and the frame, and the rubber threaded sleeve is arranged in threaded holes of the frame, the shock pad and the mounting seat bottom plate; the lower surface of the frame is provided with a positioning plate, the lower surface of the positioning plate is provided with a fastening plate, a bolt I is arranged in the rubber threaded sleeve, and a bolt head I of the bolt I abuts against the lower surface of the fastening plate; the inner wall of the side plate of the mounting seat is provided with uniformly distributed vertical strip-shaped grooves, a top plate and a rubber carrier roller are sequentially placed in the strip-shaped grooves, and the rubber carrier roller abuts against the side surface of the motor; a through groove is formed in the side plate of the mounting seat, an L-shaped plate is embedded in the through groove in a matched mode, and the L-shaped plate is connected with the motor and the shock pad. The shock-absorbing connection between the mounting seat and the frame is realized by utilizing the rubber threaded sleeve, the limit on two sides of the motor is realized by the fastening bolt II, the shock generated by the rotation of the motor is counteracted, and the shock-absorbing effect of the motor is improved.
Description
Technical Field
The invention relates to the technical field of electric vehicles, in particular to a motor damping mechanism of an electric vehicle.
Background
Along with social development, people greatly strengthen the love to living environment, and people usually select an electric vehicle to replace an automobile and walk when moving for a medium or short distance, and the core of the electric vehicle is undoubtedly the motor of the electric vehicle. The electric vehicle is divided into an alternating current electric vehicle and a direct current electric vehicle, generally speaking, the electric vehicle takes a motor as an energy source, and converts electric energy into mechanical energy to move through a controller, the motor and other components so as to control the current to change the speed; the motor is used as an energy source, so that the current which has stable voltage and current, is stably supplied for a long time and is slightly influenced by the outside can be obtained, the motor has a simple structure, is convenient to carry, is simple and easy to operate, is not influenced by the outside climate and temperature, has stable and reliable performance, and plays a great role in various aspects of modern social life.
Most of motors of electric vehicles are only placed in a box, so that comprehensive protection cannot be achieved, and when the electric vehicle runs on a bumpy road, the motor is damaged to a certain extent due to violent bumping. Therefore, the Chinese patent discloses an electric vehicle motor damping device (CN 211063474U), which comprises a protective box, wherein the left side surface of the protective box is connected with a first limiting mechanism through a screw, the first limiting mechanism comprises an end cover and two limiting rods, a motor body is placed at the bottom of an inner cavity of the protective box, two reinforcing mechanisms are arranged at the top of the protective box, each reinforcing mechanism comprises a first screw and an anti-skid block, and the right side surface of the protective box is provided with a second limiting mechanism. This technique can improve the stability of motor body when installing inside the protective housing through mutually supporting between gag lever post, first screw rod, non slipping spur, screw thread lid, spring and the limiting plate, can cushion the effort between connecting plate and the base through setting up blotter and buffer block.
The defects of the technology are as follows:
in the running process of the electric vehicle, the rotation of the motor generates certain vibration on the motor, the stability of a connecting part is influenced, and the looseness of a fixed structure is caused; the damping spring in the above technology is arranged in the axial direction of the motor, and can not slow down the vibration generated by the rotation of the motor;
during the running process of the electric vehicle, the vibration generated by the road surface condition is transmitted to the motor through the connecting seat; above-mentioned technique slows down vibrations through setting up the blotter on the connecting seat, but screw rod, bolted connection position still are rigid connection, form the amplitude transmission point, and screw rod, bolted connection department are not hard up because of vibrations easily.
Disclosure of Invention
In order to solve the technical problem, the invention provides a motor damping mechanism of an electric vehicle. This damper passes through the shock attenuation of rubber thread sleeve structure realization motor mount pad and connects, reduces the vibrations that the motor rotation produced through the shock attenuation bearing roller to motor mounting structure is simple and convenient.
The invention is realized by the following technical scheme: a motor damping mechanism of an electric vehicle comprises a mounting seat fixed on a vehicle frame, wherein a motor is mounted on the mounting seat;
the mounting seat is U-shaped, a shock pad is arranged between the mounting seat bottom plate and the frame, and opposite penetrating threaded holes are formed in the frame, the shock pad and the mounting seat bottom plate; the rubber threaded sleeve is provided with internal threads and external threads, the rubber threaded sleeve is arranged in threaded holes of the frame, the shock pad and the mounting base bottom plate, the upper end of the rubber threaded sleeve abuts against the lower surface of the motor, and the cap body of the rubber threaded sleeve abuts against the lower surface of the frame; the lower surface of the frame is provided with a positioning plate, and the positioning plate is provided with a positioning hole matched with the cap body of the rubber threaded sleeve; the lower surface of the positioning plate is provided with a fastening plate, the fastening plate is provided with a unthreaded hole opposite to the rubber threaded sleeve, the bolt I is arranged in the rubber threaded sleeve, and a bolt head I of the bolt I abuts against the lower surface of the fastening plate;
the inner wall of the side plate of the mounting seat is provided with uniformly distributed vertical strip-shaped grooves, top plates and rubber carrier rollers are sequentially placed in the strip-shaped grooves, the top plates are positioned at the bottoms of the strip-shaped grooves, and the rubber carrier rollers are abutted to the side face of the motor; a fastening bolt II is arranged on the side plate of the mounting seat, and the inner end of the fastening bolt II abuts against the top plate;
a through groove is formed in the side plate of the mounting seat, and an L-shaped plate is embedded in the through groove in a matching manner; the L-shaped plate is attached to the motor and the shock pad, the L-shaped plate is fixedly connected with the motor through a positioning bolt III, and the L-shaped plate is fixedly connected with the shock pad through a positioning bolt IV.
It further comprises the following steps: the rubber threaded sleeve is matched with the bolt I with a large diameter and the bolt V with a small diameter; during installation, firstly, screwing a small-diameter bolt V into the rubber threaded sleeve, and then screwing the rubber threaded sleeve into threaded holes of the frame, the shock pad and the mounting base bottom plate through the small-diameter bolt V; secondly, mounting a positioning plate, wherein the positioning hole in the positioning plate is clamped on the cap body of the rubber threaded sleeve in a matched manner, and then reversely screwing out the bolt V with a small diameter; and secondly, fastening the plate, and screwing the large-diameter bolt I into the rubber threaded sleeve.
The large-diameter bolt I and the small-diameter bolt V are in interference fit with the rubber threaded sleeve.
4 have been seted up respectively to every curb plate inner wall of mount pad the bar groove, every bar groove cooperation is provided with two fastening bolt II, two fastening bolt II divide and put the upper and lower end in the bar groove.
The rubber bearing roller is cylindrical, and the roof is the arc board with rubber bearing roller laminating.
The side of the motor is provided with uniformly distributed stripe patterns.
The shock absorption frame is characterized in that a sinking groove is formed in the frame, and the shock absorption pad is placed in the sinking groove in the frame.
The through groove is formed in the middle of the side plate of the mounting seat.
Compared with the prior art, the invention has the beneficial effects that:
a shock pad is arranged between the frame and the mounting seat, and the frame, the shock pad and the mounting seat are connected through a rubber threaded sleeve and a bolt I; the rubber threaded sleeve realizes the shock absorption connection of the mounting seat and the frame, and avoids the vibration generated by the road condition from being transmitted to the motor through the connecting bolt; the bolts I with two diameters are arranged, and the positioning plate and the fastening plate are matched to improve the connection strength of the rubber threaded sleeve, so that the stability of the mounting seat is ensured;
a rubber carrier roller is arranged on the side plate of the mounting seat, and the motor can be directly pushed in from one end and then positioned through the L-shaped plate, so that the mounting is fast; during operation, the limit of the two sides of the motor is realized through the fastening bolt II, the vibration generated by the rotation of the motor is counteracted, and the shockproof effect of the motor is improved.
Drawings
FIG. 1 is a top plan view of the motor damping mechanism of the electric vehicle of the present invention;
FIG. 2 isbase:Sub>A view taken along line A-A of FIG. 1;
FIG. 3 is a view from the B-B direction in FIG. 2;
FIG. 4 is a right side view of the motor damping mechanism of the electric vehicle of the present invention;
FIG. 5 is an enlarged view at C in FIG. 2;
in the figure: 1. a frame; 2. a shock pad; 3. a mounting seat; 3-1, a strip-shaped groove; 3-2, through grooves; 4. fastening a bolt II; 5. a top plate; 6. a rubber carrier roller; 7. a motor; 8. a rubber threaded sleeve; 8-1, a cap body; 9. positioning a bolt III; 10. an L-shaped plate; 11. a positioning bolt IV; 12. positioning a plate; 12-1, positioning holes; 13. a fastening plate; 14. a bolt I; 14-1 and a bolt head I.
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. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
As shown in fig. 1 to 5, a motor damping mechanism of an electric vehicle comprises a mounting base 3 fixed on a vehicle frame 1, and a motor 7 is mounted on the mounting base 3.
The mounting seat 3 is U-shaped, the inner wall of a side plate of the mounting seat 3 is provided with uniformly distributed vertical strip-shaped grooves 3-1, and a top plate 5 and a rubber carrier roller 6 are sequentially arranged in the strip-shaped grooves 3-1. The rubber carrier roller 6 is cylindrical, and the rubber carrier roller 6 abuts against the side face of the motor 7. The top plate 5 is positioned at the bottom of the strip-shaped groove 3-1, and the top plate 5 is an arc-shaped plate attached to the rubber carrier roller 6. 4 strip-shaped grooves 3-1 are respectively formed in the inner wall of each side plate of the mounting seat 3, and two fastening bolts II 4 are arranged in the strip-shaped grooves 3-1 in a matched mode. The fastening bolts II 4 are installed on the side plate of the installation base 3 through threaded connection, the inner ends of the fastening bolts II 4 abut against the top plate 5, and the two fastening bolts II 4 are respectively arranged at the upper end and the lower end of the strip-shaped groove 3-1. The side of motor 7 has the equipartition with 6 complex bar lines of rubber bearing roller, and the bar line can play anti-skidding effect, improves 6 stability of rubber bearing roller.
A side plate of the mounting base 3 is provided with a through groove 3-2, and the through groove 3-2 is positioned in the middle of the side plate of the mounting base 3. An L-shaped plate 10 is embedded in the through groove 3-2 in a matching way. L template 10 riser and horizontal plate respectively with motor 7, shock pad 2 laminating, pass through III 9 fixed connection of positioning bolt between L template 10 and the motor 7, pass through IV 11 fixed connection of positioning bolt between L template 10 and the shock pad 2.
Be provided with shock pad 2 between 3 bottom plates of mount pad and the frame 1, seted up heavy groove on the frame 1, shock pad 2 places in the heavy groove on frame 1. The chassis 1, the shock pad 2 and the mounting base 3 are provided with opposite through threaded holes; the rubber threaded sleeve 8 is provided with internal threads and external threads, the rubber threaded sleeve 8 is arranged in threaded holes of the frame 1, the shock absorption pad 2 and the bottom plate of the mounting seat 3, the upper end of the rubber threaded sleeve 8 abuts against the lower surface of the motor 7, and the cap body 8-1 of the rubber threaded sleeve 8 abuts against the lower surface of the frame 1. The lower surface of the frame 1 is provided with a positioning plate 12, and the positioning plate 12 is provided with a positioning hole 12-1 matched with the cap body 8-1 of the rubber threaded sleeve 8. The lower surface of the positioning plate 12 is provided with a fastening plate 13, and the fastening plate 13 is provided with a unthreaded hole opposite to the rubber threaded sleeve 8. The bolt I14 is arranged in the rubber threaded sleeve 8, and a bolt head I14-1 of the bolt I14 abuts against the lower surface of the fastening plate 13.
When the rubber threaded sleeve 8 is installed, a bolt I14 with a large diameter and a bolt V with a small diameter are arranged in a matched manner; the large-diameter bolt I14, the small-diameter bolt V and the rubber threaded sleeve 8 are in interference fit. Firstly, screwing a small-diameter bolt V into a rubber threaded sleeve 8, and then screwing the rubber threaded sleeve 8 into threaded holes of a frame 1, a shock pad 2 and a base plate of a mounting seat 3 through the small-diameter bolt V; secondly, mounting a positioning plate 12, wherein a positioning hole 12-1 in the positioning plate 12 is clamped on a cap body 8-1 of the rubber threaded sleeve 8 in a matching manner, and then reversely screwing out a bolt V with a small diameter; in the second step, the fastening plate 13 is installed and the large diameter bolt i 14 is screwed into the rubber threaded sleeve 8.
In the embodiment, the shock pad 2 is arranged between the frame 1 and the mounting seat 3, and the frame 1, the shock pad 2 and the mounting seat 3 are connected through the rubber threaded sleeve 8 and the bolt I14; the rubber threaded sleeve realizes the shock absorption connection of the mounting seat and the frame, and avoids the transmission of the shock generated by the road surface condition to the motor through the connecting bolt; the connecting strength of the rubber threaded sleeve is improved by arranging bolts with two diameters and matching with the positioning plate and the fastening plate, so that the stability of the mounting seat is ensured;
a rubber carrier roller 6 is arranged on a side plate of the mounting seat 3, and a motor can be directly pushed in from one end and then positioned through the L-shaped plate 12, so that the mounting is fast; during operation, realize the spacing of motor both sides through fastening bolt II 4 to offset the vibrations that the motor rotation produced, improve the shockproof effect of motor.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (7)
1. A motor damping mechanism of an electric vehicle comprises a mounting seat (3) fixed on a vehicle frame (1), wherein a motor (7) is arranged on the mounting seat (3);
the method is characterized in that:
the mounting seat (3) is U-shaped, a shock pad (2) is arranged between a bottom plate of the mounting seat (3) and the frame (1), and opposite penetrating threaded holes are formed in the frame (1), the shock pad (2) and the bottom plate of the mounting seat (3); an internal thread and an external thread are formed on the rubber threaded sleeve (8), the rubber threaded sleeve (8) is installed in threaded holes of the frame (1), the shock pad (2) and a bottom plate of the installation seat (3), the upper end of the rubber threaded sleeve (8) abuts against the lower surface of the motor (7), and a cap body (8-1) of the rubber threaded sleeve (8) abuts against the lower surface of the frame (1); a positioning plate (12) is arranged on the lower surface of the frame (1), and a positioning hole (12-1) matched with the cap body (8-1) of the rubber threaded sleeve (8) is formed in the positioning plate (12); a fastening plate (13) is arranged on the lower surface of the positioning plate (12), a unthreaded hole opposite to the rubber threaded sleeve (8) is formed in the fastening plate (13), a bolt I (14) is installed in the rubber threaded sleeve (8), and a bolt head I (14-1) of the bolt I (14) abuts against the lower surface of the fastening plate (13);
the inner wall of a side plate of the mounting seat (3) is provided with uniformly distributed vertical strip-shaped grooves (3-1), a top plate (5) and rubber carrier rollers (6) are sequentially placed in the strip-shaped grooves (3-1), the top plate (5) is positioned at the bottoms of the strip-shaped grooves (3-1), and the rubber carrier rollers (6) are abutted to the side face of a motor (7); a fastening bolt II (4) is arranged on a side plate of the mounting seat (3), and the inner end of the fastening bolt II (4) abuts against the top plate (5);
a through groove (3-2) is formed in a side plate of the mounting seat (3), and an L-shaped plate (10) is embedded in the through groove (3-2) in a matching manner; the L-shaped plate (10) is attached to the motor (7) and the shock pad (2), the L-shaped plate (10) is fixedly connected with the motor (7) through a positioning bolt III (9), and the L-shaped plate (10) is fixedly connected with the shock pad (2) through a positioning bolt IV (11);
the rubber threaded sleeve (8) is provided with a large-diameter bolt I (14) and a small-diameter bolt V in a matched manner; during installation, firstly, a small-diameter bolt V is screwed into the rubber threaded sleeve (8), and then the rubber threaded sleeve (8) is screwed into threaded holes of the frame (1), the shock pad (2) and a bottom plate of the installation seat (3) through the small-diameter bolt V; secondly, mounting a positioning plate (12), wherein a positioning hole (12-1) in the positioning plate (12) is matched and clamped on a cap body (8-1) of the rubber threaded sleeve (8), and then reversely screwing out a small-diameter bolt V; and secondly, fastening a plate (13) and screwing the bolt I (14) with the large diameter into the rubber threaded sleeve (8).
2. The electric vehicle motor damping mechanism of claim 1, characterized in that: the large-diameter bolt I (14), the small-diameter bolt V and the rubber threaded sleeve (8) are in interference fit.
3. The electric vehicle motor damping mechanism of claim 1, characterized in that: 4 strip-shaped grooves (3-1) are respectively formed in the inner wall of each side plate of the mounting seat (3), two fastening bolts II (4) are arranged in each strip-shaped groove (3-1) in a matched mode, and the two fastening bolts II (4) are respectively arranged at the upper end and the lower end of each strip-shaped groove (3-1).
4. The electric vehicle motor damping mechanism of claim 1, characterized in that: the rubber carrier roller (6) is cylindrical, and the top plate (5) is an arc-shaped plate attached to the rubber carrier roller (6).
5. The electric vehicle motor damping mechanism of claim 1, characterized in that: the side surface of the motor (7) is provided with uniformly distributed strip-shaped grains.
6. The electric vehicle motor damping mechanism of claim 1, characterized in that: a sinking groove is formed in the frame (1), and the shock pad (2) is placed in the sinking groove in the frame (1).
7. The electric vehicle motor damping mechanism of claim 1, characterized in that: the through groove (3-2) is formed in the middle of the side plate of the mounting seat (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210352243.6A CN114665652B (en) | 2022-04-05 | 2022-04-05 | Motor damping mechanism of electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210352243.6A CN114665652B (en) | 2022-04-05 | 2022-04-05 | Motor damping mechanism of electric vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114665652A CN114665652A (en) | 2022-06-24 |
| CN114665652B true CN114665652B (en) | 2022-11-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210352243.6A Active CN114665652B (en) | 2022-04-05 | 2022-04-05 | Motor damping mechanism of electric vehicle |
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| Country | Link |
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| CN (1) | CN114665652B (en) |
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| CN207868927U (en) * | 2018-03-13 | 2018-09-14 | 谢芬 | A kind of damping device of New energy automobile motor |
| CN108683288A (en) * | 2018-04-26 | 2018-10-19 | 汪继德 | A kind of mechanical and electric equipment installation protective device with shock-absorbing function |
| CN111130257A (en) * | 2019-12-11 | 2020-05-08 | 陕西联智网络科技有限公司 | Motor mounting rack with shock-absorbing capacity |
| CN113178976A (en) * | 2021-05-12 | 2021-07-27 | 吴华铮 | Low-vibration high-efficiency energy-saving motor |
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| JPH05126207A (en) * | 1991-10-30 | 1993-05-21 | Toyota Autom Loom Works Ltd | Vibrationproof structure for vibrating body |
| JP2008236982A (en) * | 2007-03-23 | 2008-10-02 | Mitsuba Corp | Attachment structure for electric motor |
| CN108110940B (en) * | 2017-12-01 | 2019-11-12 | 太原理工大学 | A kind of separable frequency conversion explosion proof all-in-one machine shell device |
| CN207766079U (en) * | 2018-01-19 | 2018-08-24 | 许海明 | A kind of motor base that stablizing effect is good |
| CN211063474U (en) * | 2020-01-02 | 2020-07-21 | 天津凌明电机科技有限公司 | Electric motor car motor damping device |
| CN212969314U (en) * | 2020-09-10 | 2021-04-13 | 烟台橡研材料科技有限公司 | Automobile motor mounting base |
| CN214959079U (en) * | 2021-06-03 | 2021-11-30 | 宁波快马加鞭科技有限公司 | Anti-resonance motor |
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2022
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207868927U (en) * | 2018-03-13 | 2018-09-14 | 谢芬 | A kind of damping device of New energy automobile motor |
| CN108683288A (en) * | 2018-04-26 | 2018-10-19 | 汪继德 | A kind of mechanical and electric equipment installation protective device with shock-absorbing function |
| CN111130257A (en) * | 2019-12-11 | 2020-05-08 | 陕西联智网络科技有限公司 | Motor mounting rack with shock-absorbing capacity |
| CN113178976A (en) * | 2021-05-12 | 2021-07-27 | 吴华铮 | Low-vibration high-efficiency energy-saving motor |
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| CN114665652A (en) | 2022-06-24 |
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