CN113036994A

CN113036994A - New energy automobile motor group with resonance defense function

Info

Publication number: CN113036994A
Application number: CN202110235404.9A
Authority: CN
Inventors: 高文壮; 高歌; 于福生
Original assignee: Yantai Engineering and Technology College
Current assignee: Yantai Engineering and Technology College
Priority date: 2021-03-03
Filing date: 2021-03-03
Publication date: 2021-06-25

Abstract

The invention provides a new energy automobile motor set with a resonance defense function, and relates to the technical field of new energy automobile motors. This new energy automobile motor group with resonance defense function, including front end shell, rear end shell and middle part casing, two of the inside fixedly connected with mounting panel of middle part casing, two the mounting panel middle part is rotated and is provided with the axis of rotation, axis of rotation outside fixedly connected with rotor, middle part shells inner wall is the fixed stator that is provided with between two mounting panels, the axis of rotation is close to the one end outer wall fixedly connected with carousel of front end shell, middle part shells inner wall prevents the resonance device at the equal fixedly connected with in the upper and lower end of carousel, it includes the second hydro-cylinder to prevent the resonance device. The invention provides a new energy automobile motor set with a resonance defense function, which jointly plays a role in protecting the motor set through three groups of anti-resonance modes, so that the normal work of the new energy automobile motor set with the resonance defense function is protected.

Description

New energy automobile motor group with resonance defense function

Technical Field

The invention relates to the technical field of new energy automobile motors, in particular to a new energy automobile motor set with a resonance defense function.

Background

The motor is an electromagnetic device for realizing electric energy conversion or transmission according to the electromagnetic induction law, mainly has the function of generating driving torque, is used as a power source of electrical appliances or various machines, mainly converts electric energy into mechanical energy, and is a motor taking a vehicle-mounted power supply as power and used as a driving force source for driving the automobile to advance.

The new energy automobile refers to all other energy automobiles except gasoline and diesel engines, including fuel cell automobiles, hybrid automobiles, hydrogen energy power automobiles, solar automobiles and the like, and the new energy automobiles generally drive automobiles by motors to run, the motor assembly of the existing new energy automobile has certain disadvantages when in use, the interaction force between the motor assembly and the connecting part is too large in the running process, the phenomenon that the motor assembly and the connecting part fall off or are loosened can be caused, the service life of the motor assembly can also be reduced, moreover, the motor assembly can generate a series of vibration in the running process, the motor resonance can be caused under certain environment, when the motor assembly resonates, the insulation of a winding and the service life of a bearing can be shortened, the normal lubrication of a sliding bearing is influenced, the vibration force causes the insulation gap to be expanded, and external dust and moisture are contained in the motor assembly, cause insulation resistance to reduce and leak current increase, form accidents such as insulation breakdown even, in addition, motor element makes the cooler water pipe shake easily when taking place resonance, and the welding point shakes and opens, can cause the damage of load machinery simultaneously, and motor element will produce very big noise, causes harm for the motor.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a new energy automobile motor set with a resonance defense function, and solves the problems that a new energy automobile motor component is easy to generate a series of vibrations in the automobile running process, and further the generator component is induced to resonate, so that the motor component is damaged to different degrees, further the motor component is damaged, and the service life of the motor component is shortened.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: a new energy automobile motor set with a resonance defense function comprises a front end shell, a rear end shell and a middle shell, wherein two mounting plates are fixedly connected inside the middle shell, a rotating shaft is arranged in the middle of the two mounting plates in a rotating mode, a rotor is fixedly connected to the outer side of the rotating shaft, a stator is fixedly arranged on the inner wall of the middle shell between the two mounting plates, a rotating disc is fixedly connected to the outer wall of one end, close to the front end shell, of the rotating shaft, an anti-resonance device is fixedly connected to the inner wall of the middle shell at the upper end and the lower end of the rotating disc and comprises a second oil cylinder, a second piston is slidably arranged inside the second oil cylinder, a wheel carrier is fixedly connected to the lower end of the second piston, a cross shaft is fixedly connected to the lower end inside the wheel carrier, the outer wall of the cross shaft is rotatably connected with, a first piston is arranged in each of the two first oil cylinders in a sliding manner, the end parts of the two first pistons are fixedly connected with a vibration plate, the outer walls of the two first oil cylinders are fixedly connected with positioning plates, one sides of the two positioning plates, which are far away from the second oil cylinder, are fixedly connected with two positioning rods, one end of each positioning rod, which is far away from the positioning plate, of the same side penetrates through the vibration plate and is fixedly connected with a fixing plate, two first springs are fixedly arranged between the two positioning plates and the vibration plate, a second spring is fixedly connected between the two vibration plates and the fixing plate, the lower ends of the two first oil cylinders are fixedly connected with a support, the middle part of the lower end of the support is fixedly provided with a fixing ring, the fixing ring is fixedly movably sleeved on the outer wall of the second piston, one end of the, the fixed first axle sleeve that is provided with in flange middle part, the fixed second bearing that is provided with in first axle sleeve inside, the one end fixedly connected with output shaft that the axis of rotation stretches out the front end shell, rear end shell and middle part casing external fixation are provided with the mounting bracket, the fixed cushion socket that is provided with of mounting bracket lower extreme, the inside both sides of cushion socket are all fixed and have been seted up the spout, the inside slip of cushion socket is provided with the snubber block, the equal fixedly connected with slider in snubber block both sides, two the slider slides respectively in two spouts.

Preferably, the front end shell, the rear end shell and the middle shell are fixedly connected through a plurality of connecting bolts to form the motor shell.

Preferably, the rotating connection positions of the rotating shaft, the two mounting plates and the front end shell are fixedly provided with first bearings.

Preferably, the outer wall of the rotating shaft is fixedly connected with cooling fans at the inner parts of the front end shell and the rear end shell.

Preferably, a plurality of heat dissipation holes are fixedly formed in the rear wall of the rear end shell.

Preferably, a damper is fixedly arranged at a contact position between the mounting frame and the middle shell.

Preferably, the fixed wire holder that is provided with in mounting bracket upper end, two wiring holes have been seted up to the inside fixed of wire holder, two wiring downthehole portion all is fixed and is provided with fixing bolt.

Preferably, a plurality of mounting holes are fixedly arranged on the outer side of the connecting flange.

Preferably, a plurality of damping springs are fixedly arranged between the damping seat and the damping block.

The working principle is as follows: when the new energy automobile motor set with the resonance defense function is used, the anti-resonance device is arranged in the motor set, the anti-resonance device is combined with the rotary table at the upper end of the motor rotating shaft, the motor rotating shaft is limited through the rotary table, when the motor rotates and generates large vibration, the pressure of the rotary table on the roller is increased through the contact of the rotary table and the roller, the second oil cylinder and the second piston can provide elastic force for the rotary table through the roller to eliminate the vibration of the rotary table, so that the rotary table stably rotates, the vibration amplitude of the rotating shaft in a rotating plane is reduced, the rotating shaft rotates more stably, the new energy automobile motor set is further provided with a balance mechanism at a horizontal end, the first oil cylinder and the first piston at the horizontal end on two sides of the second oil cylinder and two groups of spring assemblies are used for buffering, and the vibration balance in the horizontal direction of the rotating shaft is realized, the vibration of the rotating shaft in the axial direction is weakened, the rotating stability of the rotating shaft is further enhanced, the vibration of the motor set in the driving process of the automobile is favorably reduced, the damper is arranged at the contact position of the motor set and the mounting frame to effectively isolate the vibration generated by the motor set, meanwhile, the damper can also play a role in inhibiting vibration, further reduce the possibility of resonance of the motor set, and also can play a role in reducing vibration by installing a shock absorption seat at the connecting position of the motor installation frame and the automobile, the mutual acting force between the motor set and each connecting part can be reduced through the shock absorption seat, the buffer function is realized, the synchronous vibration between the motor set and each connecting part is prevented, thereby reduce the possibility that produces resonance between motor assembly and each connecting element, three prevent the effect of resonance mode play protection motor assembly jointly to this new energy automobile motor assembly's that has resonance defense function normal work is protected.

(III) advantageous effects

The invention provides a new energy automobile motor set with a resonance defense function. The method has the following beneficial effects:

1. the invention provides a new energy automobile motor set with a resonance defense function, which is characterized in that an anti-resonance device is arranged in the motor set and is combined with a turntable at the upper end of a motor rotating shaft through the anti-resonance device, the rotating shaft of the motor is limited by the turntable, so that the vibration amplitude of the rotating shaft in a rotating plane is reduced, the rotating shaft rotates more stably, compared with the existing mechanism, the anti-resonance device is arranged in the motor set, the response is sensitive, the vibration of the rotating shaft in the axial direction is weakened through the balance mechanism at the horizontal end, the rotating stability of the rotating shaft is further enhanced, the vibration of the motor set in the driving process of the automobile is favorably reduced, through the combination realization secondary buffering of buffering subassembly and carousel, reduce the possibility that resonance appears in the motor group from the source, effectual protection motor, and then the life of extension motor.

2. The invention provides a new energy automobile motor set with a resonance defense function, wherein a damper is arranged at the contact position of the motor set and a mounting frame to effectively isolate the vibration generated by the motor set, and meanwhile, the damper can also play a role in inhibiting the vibration, further reduce the possibility of the motor set generating resonance and enable the motor to work better.

3. The invention provides a new energy automobile motor set with a resonance defense function, and the motor set with the resonance defense function can reduce the interaction force between the motor set and each connecting part through the shock absorption seat arranged at the connecting position of a motor mounting frame and an automobile, play a role in buffering, prevent the synchronous vibration between the motor set and each connecting part, reduce the possibility of resonance generation between the motor set and each connecting part, play a role in protecting the motor set together with the two anti-resonance modes, and protect the normal work of the new energy automobile motor set with the resonance defense function.

Drawings

FIG. 1 is a schematic view of the main structure of the present invention;

FIG. 2 is a schematic structural diagram of an anti-resonance device according to the present invention;

FIG. 3 is a front view of the attachment flange of the present invention;

FIG. 4 is a schematic view of the internal structure of the shock mount of the present invention;

fig. 5 is a schematic view of the wire holder structure of the present invention.

Wherein, 1, a front end shell; 2. a rear end housing; 3. a middle housing; 4. a mounting frame; 5. a shock absorbing seat; 6. mounting a plate; 7. a first bearing; 8. a rotating shaft; 9. a heat radiation fan; 10. a rotor; 11. a stator; 12. a turntable; 13. an anti-resonance device; 14. mounting a disc; 15. a connecting flange; 16. an output shaft; 17. a first bushing; 18. a damper; 19. heat dissipation holes; 20. a first cylinder; 21. a first piston; 22. positioning a plate; 23. a vibrating plate; 24. positioning a rod; 25. a fixing plate; 26. a first spring; 27. a second spring; 28. a second cylinder; 29. a second piston; 30. a wheel carrier; 31. a horizontal axis; 32. a second shaft sleeve; 33. a roller; 34. a support; 35. a fixing ring; 36. a second bearing; 37. mounting holes; 38. a chute; 39. a damper block; 40. a slider; 41. a damping spring; 42. a wire holder; 43. a wiring hole; 44. and (5) fixing the bolt.

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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b):

as shown in fig. 1-5, an embodiment of the present invention provides a new energy automobile motor set with a resonance defense function, including a front end casing 1, a rear end casing 2 and a middle casing 3, wherein two mounting plates 6 are fixedly connected inside the middle casing 3, a rotating shaft 8 is rotatably arranged in the middle of the two mounting plates 6, a rotor 10 is fixedly connected outside the rotating shaft 8, a stator 11 is fixedly arranged on the inner wall of the middle casing 3 between the two mounting plates 6, a rotating disc 12 is fixedly connected on the outer wall of one end of the rotating shaft 8 close to the front end casing 1, an anti-resonance device 13 is fixedly connected on the inner wall of the middle casing 3 at the upper and lower ends of the rotating disc 12, the anti-resonance device 13 includes a second oil cylinder 28, a second piston 29 is slidably arranged inside the second oil cylinder 28, a wheel carrier 30 is fixedly connected at the lower end of the second piston 29, a cross shaft 31 is fixedly connected, the two sides of the upper end of the second oil cylinder 28 are fixedly connected with the first oil cylinders 20, the first pistons 21 are arranged in the two first oil cylinders 20 in a sliding manner, the end parts of the two first pistons 21 are fixedly connected with the vibrating plate 23, the outer walls of the two first oil cylinders 20 are fixedly connected with the positioning plates 22, one sides of the two positioning plates 22 far away from the second oil cylinder 28 are fixedly connected with the two positioning rods 24, one ends of the two positioning rods 24 far away from the positioning plate 22 on the same side penetrate through the vibrating plate 23 and are fixedly connected with the fixing plate 25, two first springs 26 are fixedly arranged between the two positioning plates 22 and the vibrating plate 23, second springs 27 are fixedly connected between the two vibrating plates 23 and the fixing plate 25, the lower ends of the two first oil cylinders 20 are fixedly connected with the bracket 34, the middle part of the lower end of the bracket 34 is fixedly provided with the fixing ring 35, the fixing ring, 14 outside fixedly connected with flange 15 of mounting disc, the fixed first axle sleeve 17 that is provided with in flange 15 middle part, the inside fixed second bearing 36 that is provided with of first axle sleeve 17, the one end fixedly connected with output shaft 16 that front end shell 1 was stretched out to axis of rotation 8, front end shell 1, rear end shell 2 and the fixed mounting bracket 4 that is provided with of middle part casing 3 outside, the fixed cushion socket 5 that is provided with of mounting bracket 4 lower extreme, equal fixed spout 38 of having seted up in the inside both sides of cushion socket 5, the inside slip of cushion socket 5 is provided with snubber block 39, the equal fixedly connected with slider 40 in snubber block 39 both sides, two sliders 40 slide respectively in two spout 38 insides.

Front end shell 1, constitute motor casing through a plurality of connecting bolt fixed connection between rear end shell 2 and the middle part casing 3, axis of rotation 8 and two mounting panels 6 and front end shell 1 rotate the equal fixed first bearing 7 that is provided with in junction, the equal fixedly connected with radiator fan 9 of 8 outer walls of axis of rotation in the inside department of front end shell 1 and rear end shell 2, a plurality of louvres 19 have been seted up to the fixed rear wall of rear end shell 2, contact position department between mounting bracket 4 and the middle part casing 3 is fixed and is provided with attenuator 18, the fixed connection terminal 42 that is provided with in mounting bracket 4 upper end, two wiring holes 43 have been seted up to the inside fixed of connection terminal 42, two inside all fixed fixing bolts 44 that are provided with of wiring hole 43, the fixed a plurality of mounting holes 37 that are provided with in the flange 15 outside, the fixed a plurality of damping spring 41 that are provided with.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a new energy automobile motor group with resonance defense function, includes front end shell (1), rear end shell (2) and middle part casing (3), its characterized in that: the middle casing (3) is fixedly connected with two mounting plates (6), the middle mounting plates (6) are rotated in the middle to form a rotating shaft (8), the rotor (10) is fixedly connected to the outer side of the rotating shaft (8), the stator (11) is fixedly arranged on the inner wall of the middle casing (3) between the two mounting plates (6), the rotating shaft (8) is close to a turntable (12) fixedly connected to the outer wall of one end of the front casing (1), the inner wall of the middle casing (3) is fixedly connected with an anti-resonance device (13) at the upper end and the lower end of the turntable (12), the anti-resonance device (13) comprises a second oil cylinder (28), a second piston (29) is arranged in the second oil cylinder (28) in a sliding manner, the lower end of the second piston (29) is fixedly connected with a wheel carrier (30), and the lower end of the wheel carrier, the outer wall of the cross shaft (31) is rotatably connected with a roller (33) through a second shaft sleeve (32), two sides of the upper end of the second oil cylinder (28) are fixedly connected with first oil cylinders (20), first pistons (21) are arranged in the two first oil cylinders (20) in a sliding manner, the end parts of the two first pistons (21) are fixedly connected with vibrating plates (23), the outer walls of the two first oil cylinders (20) are fixedly connected with positioning plates (22), one sides of the two positioning plates (22) far away from the second oil cylinder (28) are fixedly connected with two positioning rods (24), one ends of the two positioning rods (24) far away from the positioning plates (22) on the same side penetrate through the vibrating plates (23) and are fixedly connected with fixing plates (25), two first springs (26) are fixedly arranged between the two positioning plates (22) and the vibrating plates (23), and second springs (27) are fixedly connected between the two vibrating plates (23) and the fixing plates (25, two first hydro-cylinder (20) lower extreme fixedly connected with support (34), the fixed solid fixed ring (35) that is provided with in support (34) lower extreme middle part, solid fixed ring (35) fixed movable sleeve is established at second piston (29) outer wall, the one end fixedly connected with mounting disc (14) that front end shell (1) is stretched out in axis of rotation (8), mounting disc (14) outside fixedly connected with flange (15), flange (15) middle part is fixed and is provided with first axle sleeve (17), first axle sleeve (17) inside fixed be provided with second bearing (36), axis of rotation (8) stretch out the one end fixedly connected with output shaft (16) of front end shell (1), rear end shell (2) and middle part shell (3) external fixation are provided with mounting bracket (4), mounting bracket (4) lower extreme fixed be provided with shock attenuation seat (5), the inside both sides of shock attenuation seat (5) are all fixed and have been seted up spout (38), inside slip of shock attenuation seat (5) is provided with snubber block (39), the equal fixedly connected with slider (40) in snubber block (39) both sides, two slider (40) slide respectively in two spouts (38) insidely.

2. The new energy automobile motor group with the resonance defense function as claimed in claim 1, characterized in that: the motor shell is formed by fixedly connecting the front end shell (1), the rear end shell (2) and the middle shell (3) through a plurality of connecting bolts.

3. The new energy automobile motor group with the resonance defense function as claimed in claim 1, characterized in that: the rotating shaft (8) is fixedly provided with a first bearing (7) at the rotating connection part of the two mounting plates (6) and the front end shell (1).

4. The new energy automobile motor group with the resonance defense function as claimed in claim 1, characterized in that: the outer wall of the rotating shaft (8) is fixedly connected with a cooling fan (9) inside the front end shell (1) and the rear end shell (2).

5. The new energy automobile motor group with the resonance defense function as claimed in claim 1, characterized in that: the rear wall of the rear end shell (2) is fixedly provided with a plurality of heat dissipation holes (19).

6. The new energy automobile motor group with the resonance defense function as claimed in claim 1, characterized in that: and a damper (18) is fixedly arranged at the contact position between the mounting frame (4) and the middle shell (3).

7. The new energy automobile motor group with the resonance defense function as claimed in claim 1, characterized in that: the fixed wire holder (42) that is provided with in mounting bracket (4) upper end, two wiring hole (43), two have been seted up to wire holder (42) inside fixed wire hole (43) inside all fixed fixing bolt (44) that is provided with.

8. The new energy automobile motor group with the resonance defense function as claimed in claim 1, characterized in that: and a plurality of mounting holes (37) are fixedly arranged on the outer side of the connecting flange (15).

9. The new energy automobile motor group with the resonance defense function as claimed in claim 1, characterized in that: a plurality of damping springs (41) are fixedly arranged between the damping seat (5) and the damping block (39).