CN213990385U

CN213990385U - Large-torque permanent magnet synchronous motor for new energy automobile

Info

Publication number: CN213990385U
Application number: CN202023348755.0U
Authority: CN
Inventors: 吕生国
Original assignee: Jiangsu Zhuerkaog Motor Energy Saving Technology Co ltd
Current assignee: Jiangsu Zhuerkaog Motor Energy Saving Technology Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-08-17
Anticipated expiration: 2030-12-31

Abstract

The utility model discloses a big moment of torsion PMSM for new energy automobile, including big moment of torsion PMSM, big moment of torsion PMSM's bottom bolt has connect fixed case, there is the case lid fixed case front through bolt threaded connection, the surperficial annular integrated into one piece on big moment of torsion PMSM right side has the enhancement strip. The utility model discloses a traveller, a pedestal, the fixed plate, lead to the groove, the tooth, the gear, the link, the movable rod, first slider, first spout and first damping spring's cooperation, can carry out the shock attenuation protection to big moment of torsion PMSM's bottom, reduce big moment of torsion PMSM's damage probability, prolong big moment of torsion PMSM's life, also avoid simultaneously dropping between big moment of torsion PMSM vibration and the power and take place the short circuit, prevent big moment of torsion PMSM in the course of the work, because of vibrations are too big, lead to big moment of torsion PMSM internals not hard up.

Description

Large-torque permanent magnet synchronous motor for new energy automobile

Technical Field

The utility model relates to a PMSM field specifically is big moment of torsion PMSM for the new energy automobile.

Background

The permanent magnet synchronous motor uses the permanent magnet to provide excitation, so that the structure of the motor is simpler, the processing and assembly cost is reduced, a collecting ring and an electric brush which are easy to cause problems are omitted, the running reliability of the motor is improved, and the efficiency and the power density of the motor are improved because excitation current is not needed and excitation loss does not exist.

Permanent magnet synchronous motor's kind is many, including big moment of torsion permanent magnet synchronous motor, traditional big moment of torsion permanent magnet synchronous motor is in the use, can not carry out the shock attenuation protection to big moment of torsion permanent magnet synchronous motor's bottom, consequently when big moment of torsion permanent magnet synchronous motor during operation, because of vibrations are too big, easily lead to big moment of torsion permanent magnet synchronous motor internals not hard up, it is long and durable, cause the damage to big moment of torsion permanent magnet synchronous motor's internals, shorten big moment of torsion permanent magnet synchronous motor's life, bring unnecessary economic loss for the user simultaneously.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a new energy automobile is with big moment of torsion PMSM in order to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: big moment of torsion PMSM for new energy automobile, including big moment of torsion PMSM, big moment of torsion PMSM's bottom bolt has connect fixed case, there is the case lid positive through bolt threaded connection of fixed case, the surperficial annular integrated into one piece on big moment of torsion PMSM right side has the enhancement strip, all inlay all around of fixed incasement chamber bottom and be equipped with the sliding sleeve, the inner chamber of fixed case is provided with damper.

Preferably, damper includes traveller, base, fixed plate, logical groove, tooth, gear, link, movable rod, first slider, first spout and a damping spring, the inner chamber sliding connection of traveller has the traveller, the top bolt of traveller has the fixed plate, logical groove has all been seted up in proper order from a left side to the right side around the fixed plate top, tooth has been seted up in proper order from a left side to the right side in the bottom that leads to the inslot chamber, the top meshing of tooth has the gear, the top swing joint of gear has the link, the top swing joint of link has the movable rod, the top swing joint of movable rod has first slider, all transversely seted up all around at fixed case inner chamber top with first slider sliding fit's first spout, the inboard bolt of first slider has a damping spring.

Preferably, a second damping spring is transversely bolted on one opposite side of the connecting frame, and one side, far away from the connecting frame, of the second damping spring is bolted with the inner cavity of the through groove.

Preferably, the outer side of the inner cavity of the through groove is transversely bolted with a buffer spring, and the inner side of the buffer spring is bolted with an anti-collision silica gel pad matched with the connecting frame in a damping manner.

Preferably, the periphery of the bottom of the inner cavity of the fixed box is vertically provided with a second sliding groove, the inner cavity of the second sliding groove is connected with a second sliding block in a sliding mode, and one side, away from the second sliding groove, of the second sliding block is in bolted connection with the periphery of the fixed plate.

Preferably, the bottom of the base is pasted with a non-slip mat, and the cross-sectional area of the non-slip mat is the same as that of the base.

Preferably, the center of the top of the inner cavity of the fixed box is bolted with anti-collision cotton, and the width of the anti-collision cotton is the same as that of the fixed plate.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a traveller, a pedestal, the fixed plate, lead to the groove, the tooth, the gear, the link, the movable rod, first slider, first spout and first damping spring's cooperation, can carry out the shock attenuation protection to big moment of torsion PMSM's bottom, reduce big moment of torsion PMSM's damage probability, prolong big moment of torsion PMSM's life, also avoid simultaneously dropping between big moment of torsion PMSM vibration and the power and take place the short circuit, prevent big moment of torsion PMSM in the course of the work, because of vibrations are too big, it is not hard up to lead to big moment of torsion PMSM internals, it is troublesome to bring unnecessary for the user, big moment of torsion PMSM's power has further been improved simultaneously.

2. The utility model can drive the gear to reset rapidly through the connecting frame by the matching of the second damping spring, so as to accelerate the rapid rebound speed of the sliding column, and through the matching of the buffer spring and the anti-collision silica gel pad, the impact force of the connecting frame can be quickly decomposed, the connecting frame is prevented from being damaged due to collision with the inner cavity of the through groove, and through the matching of the second sliding groove and the second sliding block, can assist the stable lifting of the fixing plate, improves the lifting stability of the fixing plate, prevents the inclination of the fixing plate when the fixing plate decomposes the impact force, and influences the damping effect of the large-torque permanent magnet synchronous motor, the friction coefficient between the large-torque permanent magnet synchronous motor and the ground is increased through the matching of the anti-slip pads, the large-torque permanent magnet synchronous motor is prevented from sliding and shifting, through the matching of the anti-collision cotton, can carry out safety protection to the top of fixed plate, prevent that the fixed plate from taking place the striking with the top of fixed incasement chamber.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a front sectional view of the fixing box of the present invention;

FIG. 3 is a partial front view of the connecting frame and gear structure of the present invention;

fig. 4 is a top view of the through groove of the present invention.

In the figure: 1. a high torque permanent magnet synchronous motor; 2. a fixed box; 3. a reinforcing strip; 4. a sliding sleeve; 5. a damping mechanism; 51. a traveler; 52. a base; 53. a fixing plate; 54. a through groove; 55. teeth; 56. a gear; 57. a connecting frame; 58. a movable rod; 59. a first slider; 510. a first chute; 511. a first damping spring; 6. a second damping spring; 7. an anti-collision silica gel pad; 8. a second chute; 9. a second slider; 10. and (5) crashproof cotton.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: the large-torque permanent magnet synchronous motor for the new energy automobile comprises a large-torque permanent magnet synchronous motor 1, wherein a fixed box 2 is bolted at the bottom of the large-torque permanent magnet synchronous motor 1, a box cover is connected to the front of the fixed box 2 through a bolt and a thread, a reinforcing strip 3 is formed on the right side of the large-torque permanent magnet synchronous motor 1 in an annular and integrated mode, sliding sleeves 4 are embedded around the bottom of an inner cavity of the fixed box 2, a damping mechanism 5 is arranged in the inner cavity of the fixed box 2, and the bottom of the large-torque permanent magnet synchronous motor 1 can be subjected to damping protection through the matching of a sliding column 51, a base 52, a fixed plate 53, a through groove 54, a tooth 55, a gear 56, a connecting frame 57, a movable rod 58, a first sliding block 59, a first sliding groove 510 and a first damping spring 511, so that the damage probability of the large-torque permanent magnet synchronous motor 1 is reduced, and the service life of the large-torque permanent magnet synchronous motor 1 is prolonged, meanwhile, the phenomenon that the vibration of the large-torque permanent magnet synchronous motor 1 is separated from a power supply to cause short circuit is avoided, the situation that internal parts of the large-torque permanent magnet synchronous motor 1 are loosened due to overlarge vibration in the working process of the large-torque permanent magnet synchronous motor 1, unnecessary troubles are brought to a user, and meanwhile the power of the large-torque permanent magnet synchronous motor 1 is further improved.

The damping mechanism 5 comprises a sliding column 51, a base 52, a fixed plate 53, a through groove 54, teeth 55, a gear 56, a connecting frame 57, a movable rod 58, a first sliding block 59, a first sliding groove 510 and a first damping spring 511, the inner cavity of the sliding sleeve 4 is connected with the sliding column 51 in a sliding manner, the fixed plate 53 is bolted on the top of the sliding column 51, the through groove 54 is sequentially arranged on the periphery of the top of the fixed plate 53 from left to right, the teeth 55 are sequentially arranged on the bottom of the inner cavity of the through groove 54 from left to right, the gear 56 is meshed on the top of the teeth 55, the connecting frame 57 is movably connected on the top of the gear 56, the movable rod 58 is movably connected on the top of the connecting frame 57, the first sliding block 59 is movably connected on the top of the movable rod 58, the first sliding groove 510 in sliding fit with the first sliding block 59 is transversely arranged on the periphery of the top of the inner cavity of the fixed box 2, the first damping spring 511 is bolted on the inner side of the first sliding block 59, can carry out shock attenuation protection to big moment of torsion PMSM 1's bottom, reduce big moment of torsion PMSM 1's damage probability, prolong big moment of torsion PMSM 1's life, also avoid simultaneously dropping between big moment of torsion PMSM 1 vibration and the power and take place the short circuit, prevent big moment of torsion PMSM 1 in the course of the work, because of vibrations are too big, lead to 1 internals of big moment of torsion PMSM not hard up, bring unnecessary trouble for the user, the power of big moment of torsion PMSM 1 has further been improved simultaneously.

The opposite side of the connecting frame 57 is transversely bolted with a second damping spring 6, one side of the second damping spring 6, which is far away from the connecting frame 57, is bolted with the inner cavity of the through groove 54, and the gear 56 can be driven by the connecting frame 57 to reset quickly, so that the quick rebounding speed of the sliding column 51 is accelerated.

The outside of logical groove 54 inner chamber transversely has bolted connection buffer spring, and buffer spring's inboard bolt connect with link 57 shock attenuation complex crashproof silica gel pad 7, can decompose the impact force of link 57 fast, prevent that link 57 from colliding with the inner chamber of logical groove 54, leading to link 57 to appear damaging.

All vertically seted up second spout 8 around of 2 inner chambers of fixed box bottoms, the inner chamber sliding connection of second spout 8 has second slider 9, one side that second spout 8 was kept away from to second slider 9 and fixed plate 53's bolt all around can assist steady lift to fixed plate 53, has improved the stability that fixed plate 53 goes up and down, prevents that fixed plate 53 from appearing the slope when decomposing impact force, influences large moment of torsion PMSM 1's shock attenuation effect.

The anti-slip mat is pasted at the bottom of the base 52, and the cross sectional area of the anti-slip mat is the same as that of the base 52, so that the friction coefficient between the large-torque permanent magnet synchronous motor 1 and the ground is increased, and the large-torque permanent magnet synchronous motor 1 is prevented from sliding and moving.

The center of the top of the inner cavity of the fixed box 2 is bolted with the anti-collision cotton 10, the width of the anti-collision cotton 10 is the same as that of the fixed plate 53, the top of the fixed plate 53 can be safely protected, and the fixed plate 53 is prevented from colliding with the top of the inner cavity of the fixed box 2.

The working principle is as follows: in operation, when the impact force generated by the large-torque permanent magnet synchronous motor 1 during operation is transmitted to the base 52, the base 52 drives the sliding column 51 to extend upwards in the sliding sleeve 4, the sliding column 51 simultaneously pushes the fixed plate 53 to move upwards, then the fixed plate 53 drives the gear 56 to rotate on the surface of the tooth 55 through the connecting frame 57, the anti-collision silicone pad 7 and the second damping spring 6 perform anti-collision treatment on the connecting frame 57, the first sliding block 59 slides in the first sliding groove 510, the first damping spring 511 performs elastic buffering on the first sliding block 59, so that the pressure carried by the fixed plate 53 forces the movable rod 58 to compress inwards, the movable rod 58 is pressed to be flat, the movable rod 58 performs elastic cancellation on the pressure on the fixed plate 53, and after the impact force generated by the base 52 is cancelled, the first damping spring 511, the second damping spring 6 and the damping spring rapidly rebound to a reset state according to the elastic potential energy carried by the springs, thereby carrying out shock absorption protection on the large-torque permanent magnet synchronous motor 1.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. Big moment of torsion PMSM for new energy automobile, including big moment of torsion PMSM (1), its characterized in that: the bottom bolt of big moment of torsion PMSM (1) has connect fixed case (2), there is the case lid fixed case (2) front through bolt threaded connection, the surperficial annular integrated into one piece on big moment of torsion PMSM (1) right side has enhancement strip (3), all inlay all around of fixed case (2) inner chamber bottom and be equipped with sliding sleeve (4), the inner chamber of fixed case (2) is provided with damper (5).

2. The high-torque permanent magnet synchronous motor for the new energy automobile according to claim 1, characterized in that: the damping mechanism (5) comprises a sliding column (51), a base (52), a fixing plate (53), a through groove (54), teeth (55), a gear (56), a connecting frame (57), a movable rod (58), a first sliding block (59), a first sliding groove (510) and a first damping spring (511), wherein the inner cavity of the sliding sleeve (4) is connected with the sliding column (51) in a sliding manner, the fixing plate (53) is connected to the top of the sliding column (51) in a bolting manner, the through groove (54) is sequentially formed in the periphery of the top of the fixing plate (53) from left to right, the teeth (55) are sequentially formed in the bottom of the inner cavity of the through groove (54) from left to right, the gear (56) is meshed with the top of the teeth (55), the connecting frame (57) is movably connected to the top of the gear (56), the movable rod (58) is movably connected to the top of the connecting frame (57), and the first sliding block (59) is movably connected to the top of the movable rod (58), all transversely seted up around fixed case (2) inner chamber top with first slider (59) sliding fit's first spout (510), the inboard bolt of first slider (59) has first damping spring (511).

3. The high-torque permanent magnet synchronous motor for the new energy automobile according to claim 2, characterized in that: and a second damping spring (6) is transversely bolted on one opposite side of the connecting frame (57), and one side, far away from the connecting frame (57), of the second damping spring (6) is bolted with the inner cavity of the through groove (54).

4. The high-torque permanent magnet synchronous motor for the new energy automobile according to claim 2, characterized in that: the outer side of the inner cavity of the through groove (54) is transversely bolted with a buffer spring, and the inner side of the buffer spring is bolted with an anti-collision silica gel pad (7) which is in shock-absorbing fit with the connecting frame (57).

5. The high-torque permanent magnet synchronous motor for the new energy automobile according to claim 1, characterized in that: second spout (8) have all vertically been seted up all around of fixed case (2) inner chamber bottom, the inner chamber sliding connection of second spout (8) has second slider (9), one side that second spout (8) were kept away from in second slider (9) and the bolt all around of fixed plate (53).

6. The high-torque permanent magnet synchronous motor for the new energy automobile according to claim 2, characterized in that: and the bottom of the base (52) is adhered with a non-slip mat, and the cross-sectional area of the non-slip mat is the same as that of the base (52).

7. The high-torque permanent magnet synchronous motor for the new energy automobile according to claim 1, characterized in that: the center of the top of the inner cavity of the fixed box (2) is bolted with anti-collision cotton (10), and the width of the anti-collision cotton (10) is the same as that of the fixed plate (53).