CN116169822A

CN116169822A - High-protection electric vehicle motor

Info

Publication number: CN116169822A
Application number: CN202211648163.1A
Authority: CN
Inventors: 连广锋; 刘红彬
Original assignee: Xuzhou Hongrunda Electric Vehicle Co ltd
Current assignee: Xuzhou Hongrunda Electric Vehicle Co ltd
Priority date: 2022-12-21
Filing date: 2022-12-21
Publication date: 2023-05-26
Anticipated expiration: 2042-12-21
Also published as: CN116169822B

Abstract

The invention discloses a high-protection electric vehicle motor, and relates to the technical field of motor protection; the invention comprises a protection mechanism, a motor unit is arranged above the protection mechanism, the protection mechanism and the motor unit are both arranged on a chassis of the electric vehicle, fixing mechanisms are fixedly arranged at two sides, close to wheels of the electric vehicle, of the top end of the protection mechanism, a plurality of transfer mechanisms which are linearly distributed are arranged at the bottom end of the protection mechanism, four buffer mechanisms are arranged in the transfer mechanisms and can be slidably arranged in the transfer mechanisms, contact mechanisms are hinged at the bottom ends of the transfer mechanisms, the bottom of the motor unit is protected by the protection mechanism and the fixing mechanisms, and the transfer mechanisms, the transfer mechanisms and the contact mechanisms are arranged to offset a part of collision force generated by collision and transmit the rest collision force to two sides of the chassis of the electric vehicle, so that the motor unit is effectively protected.

Description

High-protection electric vehicle motor

Technical Field

The invention relates to the technical field of motor protection, in particular to a high-protection electric vehicle motor.

Background

The electric vehicle motor is a driving motor for an electric vehicle, and when the electric vehicle motor is installed on the electric vehicle for use, the electric vehicle motor is generally installed on an automobile chassis, and the automobile chassis is lower, and the electric vehicle motor is protected by adding a protection mechanism.

The protection structure of the existing electric vehicle motor adopts a mode of installing protection plates to protect the bottom of the motor so as to prevent the electric vehicle motor from being damaged due to collision between a chassis and the ground when the electric vehicle passes through a hollow pavement, but only the protection plates are installed, the electric vehicle motor can not be effectively protected, the protection plates still can be acted on the protection plates due to the force generated by collision, the protection plates deform, and the electric vehicle motor above the protection plates can be possibly damaged, so that corresponding devices are required to be designed to protect the electric vehicle motor, the protection plates of the electric vehicle motor can not deform when being collided, and the electric vehicle motor is damaged.

Disclosure of Invention

In order to solve the problem that only the protection plate is arranged, the motor of the electric vehicle cannot be effectively protected, the force generated by collision of the protection plate still acts on the protection plate, the protection plate can deform, and the motor of the electric vehicle above the protection plate can be damaged; the invention aims to provide a high-protection electric vehicle motor.

In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a high protection electric motor car motor, includes protection machanism, protection machanism's top is equipped with the motor group, and protection machanism and motor group all install on the chassis of electric motor car, the equal fixed mounting in both sides that protection machanism top is close to the electric motor car wheel has fixed establishment, the protection machanism bottom is equipped with the linearly distributed's a plurality of transfer mechanism, the inside four buffer gear that are equipped with of transfer mechanism, and buffer gear can slide the setting inside transfer mechanism, transfer mechanism's bottom articulates is connected with contact mechanism.

Preferably, the protection mechanism comprises a protection plate, an end barrel is fixedly installed on two sides, close to the wheels of the electric vehicle, of the protection plate, two first buckles are fixedly installed on one side, away from the protection plate, of the end barrel, two second buckles are arranged between the first buckles, two first hinging seats are arranged on the bottom end, close to one side, of the end barrel, of the second buckles, the two first hinging seats are fixedly connected with the second buckles and the end barrel on the side face of the second hinging seats respectively, and the end barrel is fixedly clamped on a cross beam of the chassis of the electric vehicle through the two first buckles and the two second buckles.

Preferably, the fixing mechanism comprises four supporting seats, the four supporting seats are fixedly arranged at the top ends of end cylinders below the four supporting seats, fastening screws are rotationally arranged on the supporting seats, two sections of bidirectional threads are arranged on outer rings of the fastening screws, two moving blocks are arranged on the two sections of bidirectional threads of the fastening screws, offset rods are arranged on the side faces of the two moving blocks on the bidirectional threads of the same section, third hinging seats are fixedly arranged at two ends of each offset rod, two third hinging seats are hinged with second hinging seats, two limiting rods are arranged between the two offset rods, the two second hinging seats are fixedly arranged at two ends of each limiting rod, hooks are fixedly arranged at the top ends of the second buckles, and the two limiting rods on the end cylinders where the hooks are located can be respectively clamped into the hooks on the side faces of the corresponding hooks.

Preferably, the transfer mechanism comprises a fixed plate, the top end of the fixed plate is fixedly connected with the bottom end of the protection plate, fixing seats are fixedly installed on two sides, close to the wheels of the electric vehicle, of the fixed plate, the two fixing seats are fixedly installed inside two end cylinders respectively, two liquid storage cylinders are fixedly installed inside the fixing seats, a third spring is fixedly installed inside the liquid storage cylinder, away from the center of one side of the fixed plate, a sleeve and an inserting rod are arranged inside the third spring, the inserting rod is slidably arranged inside the sleeve, and the sleeve is fixedly installed inside one side, away from the fixed plate, of the liquid storage cylinder.

Preferably, two sets of guide rails are fixedly arranged at the bottom end of the fixed plate, the two sets of guide rails are symmetrically distributed, one set of guide rails comprises three slide rails which are linearly distributed, a first slide block is arranged on the slide rails in the middle of the guide rails in a sliding mode, two second slide blocks are arranged on the slide rails in a sliding mode, a plurality of balls are arranged on the top ends of the first slide blocks and the second slide blocks in a rotating mode, the balls are arranged at the bottom end of the fixed plate in a sliding mode, a first fixed frame is fixedly arranged on the outer ring of the first slide block, two second fixed frames are fixedly arranged on the outer ring of the second slide block, and two first fixed frames below the fixed plate are located between the two second fixed frames.

Preferably, fixed plate bottom center department fixed mounting has the fixed block, the both sides that the fixed block is close to the electric motor car wheel are equal fixed mounting have two first springs, and the other end of the first spring of fixed block both sides respectively with two first fixed frame outer lane fixed connection, be located one side be equipped with two pull rods that are eight characters distribution between first fixed frame and the second fixed frame, and two pull rods are located the tip of second fixed frame and are close to each other, two all articulated the connection in pull rod both ends have the fourth articulated seat, and the fourth articulated seat at pull rod both ends is fixed at first fixed frame and second fixed frame outer lane respectively.

Preferably, one side of the second fixed frame away from the pull rod is fixedly provided with two movable rods, one end of the second fixed frame away from the two movable rods is slidably inserted into two liquid storage cylinders inside the fixed seat on one side of the second fixed frame, the outer ring of the movable rod is sleeved with a second spring, and two ends of the second spring are fixedly connected with one end, close to the center of the fixed plate, of the liquid storage cylinder inserted by the movable rods inside the outer ring of the second fixed frame and the second spring respectively.

Preferably, the buffer mechanism comprises a movable piston, the movable piston is fixedly arranged at one end of the movable rod far away from the second fixed frame, the movable piston can be slidably arranged in the liquid storage barrel, and the center of one end of the movable piston far away from the movable rod is fixedly connected with a third spring and an inserting rod in the liquid storage barrel.

Preferably, a plurality of round holes distributed in an annular mode are formed in the movable piston, two deflection plates are arranged on one side, close to the center of the fixed plate, of each round hole, the deflection plates can seal the round holes, a fixed rod is fixedly arranged inside one end, away from the center of each round hole, of each deflection plate, two supporting blocks are rotatably arranged on the fixed rod, the two supporting blocks are fixedly arranged at one end, close to the center of the fixed plate, of the movable piston, a rotating rod is rotatably arranged at one end, close to the center of each round hole, of each deflection plate, connecting blocks are fixedly arranged at two ends of each rotating rod, each connecting block is fixedly arranged on a fourth spring, and the other end of each fourth spring is fixedly connected with one end, close to the center of the fixed plate, of the movable piston.

Preferably, the contact mechanism comprises a fifth hinging seat, two ends, close to wheels of the electric vehicle, of the fifth hinging seat are hinged with a first shifting arm and two second shifting arms, the first shifting arm is located between the two second shifting arms, one ends, far away from the fifth hinging seat, of the first shifting arm and the second shifting arm are hinged with a sixth hinging seat, the sixth hinging seat on the first shifting arm is fixedly arranged at the bottom end of the first sliding block, and the sixth hinging seats on the two second shifting arms are respectively fixedly arranged at the bottom ends of the two second sliding blocks.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the protection device is arranged on the chassis of the electric vehicle by arranging the first buckle and the second buckle, and the fastening screw and the limiting rod are arranged, so that the fastening screw can rotate to drive the limiting rod to move and be clamped into the hook, thereby fixedly mounting the protection plate on the chassis of the electric vehicle, and enabling the protection plate to be positioned below the motor unit to protect the bottom of the motor unit;

2. according to the invention, the first offset arm and the second offset arm are arranged, so that the first offset arm and the second offset arm can offset when being impacted, impact force is transmitted to the first sliding block and the second sliding block, part of impact force transmitted by the first fixed frame is offset by utilizing the stretching of the first spring, and the rest impact force is transmitted to the second fixed frame, the second fixed frame is utilized to move to drive the movable rod to move, and compress the second spring, so that the second spring can offset a part of impact force, the movable piston is driven to move in the liquid storage barrel by utilizing the movement of the movable rod, so that the liquid in the liquid storage barrel is extruded, the fourth spring is stretched, so that a part of impact force is offset by utilizing the movement of the movable piston, and part of impact force can be offset by utilizing the third spring.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of the present invention.

FIG. 2 is a schematic view of the whole cross-sectional structure of the present invention.

FIG. 3 is a schematic view of the explosive structure of the transfer mechanism and the contact mechanism of the present invention.

Fig. 4 is an enlarged schematic view of the structure a in fig. 2 according to the present invention.

Fig. 5 is an enlarged schematic view of the structure at B in fig. 2 according to the present invention.

Fig. 6 is an enlarged schematic view of the structure at C in fig. 2 according to the present invention.

Fig. 7 is an enlarged schematic view of the structure of fig. 3D according to the present invention.

Fig. 8 is an enlarged schematic view of the structure at E in fig. 3 according to the present invention.

Fig. 9 is an enlarged schematic view of the structure F in fig. 6 according to the present invention.

In the figure: 1. a protective mechanism; 101. a protection plate; 102. an end cylinder; 103. a first buckle; 104. a second buckle; 105. a first hinge base; 106. a hook; 2. a motor group; 3. a fixing mechanism; 301. a support base; 302. fastening a screw; 303. a moving block; 304. an offset lever; 305. a limit rod; 306. the second hinge seat; 307. a third hinge base; 4. a transfer mechanism; 401. a fixing plate; 402. a slide rail; 403. a first slider; 404. a second slider; 405. a first fixing frame; 406. a second fixing frame; 407. a fixed block; 408. a first spring; 409. a pull rod; 410. a fourth hinge base; 411. a moving rod; 412. a second spring; 413. a fixing seat; 414. a liquid storage cylinder; 415. a sleeve; 416. a rod; 417. a third spring; 5. a buffer mechanism; 501. moving the piston; 502. a support block; 503. a fixed rod; 504. a deflector plate; 505. a rotating lever; 506. a connecting block; 507. a fourth spring; 508. a round hole; 6. a contact mechanism; 601. a fifth hinge base; 602. a first offset arm; 603. a second offset arm; 604. and a sixth hinging seat.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Examples: as shown in fig. 1-9, the invention provides a high-protection electric vehicle motor, which comprises a protection mechanism 1, wherein a motor unit 2 is arranged above the protection mechanism 1, the protection mechanism 1 and the motor unit 2 are both arranged on a chassis of the electric vehicle, fixing mechanisms 3 are fixedly arranged on two sides, close to wheels of the electric vehicle, of the top end of the protection mechanism 1, a plurality of transfer mechanisms 4 which are linearly distributed are arranged at the bottom end of the protection mechanism 1, four buffer mechanisms 5 are arranged inside the transfer mechanisms 4, the buffer mechanisms 5 can be slidably arranged inside the transfer mechanisms 4, and a contact mechanism 6 is hinged at the bottom end of the transfer mechanism 4.

The protection mechanism 1 comprises a protection plate 101, end barrels 102 are fixedly mounted on two sides, close to wheels of an electric vehicle, of the protection plate 101, two first buckles 103 are fixedly mounted on one side, far away from the protection plate 101, of the end barrels 102, two second buckles 104 are arranged between the first buckles 103, two first hinging seats 105 are arranged on the bottom end, close to the end barrels 102, of one side of each second buckle 104, the two first hinging seats 105 are fixedly connected with the second buckles 104 and the end barrels 102 on the side faces of the two first buckles, and the end barrels 102 are fixedly clamped on a beam of the chassis of the electric vehicle through the two first buckles 103 and the two second buckles 104.

Through adopting above-mentioned technical scheme, make protector can fix through first buckle 103 and second buckle 104.

The fixing mechanism 3 comprises four supporting seats 301, the four supporting seats 301 are fixedly mounted at the top ends of the end cylinders 102 below the four supporting seats 301, fastening screws 302 are rotatably arranged on the four supporting seats 301, two sections of bidirectional threads are arranged on the outer rings of the fastening screws 302, two moving blocks 303 are arranged on the two sections of bidirectional threads of the fastening screws 302, offset rods 304 are respectively arranged on the side faces of the two moving blocks 303 on the same section of bidirectional threads, third hinging seats 307 are fixedly mounted at two ends of each offset rod 304, two third hinging seats 307 are hinged with second hinging seats 306, limiting rods 305 are arranged between the two offset rods 304, the two second hinging seats 306 are fixedly mounted at two ends of the limiting rods 305, hooks 106 are fixedly mounted at the top ends of the second buckles 104, and the two limiting rods 305 on the end cylinders 102 where the hooks 106 are located can be respectively clamped into the hooks 106 on the side faces of the same.

By adopting the technical scheme, the second buckle 104 where the hook 106 is located can be fixed by rotating the fastening screw 302.

The transfer mechanism 4 comprises a fixing plate 401, the top end of the fixing plate 401 is fixedly connected with the bottom end of the protection plate 101, two sides of the fixing plate 401, which are close to wheels of the electric vehicle, are fixedly provided with fixing seats 413, two fixing seats 413 are respectively fixedly provided inside two end cylinders 102, two liquid storage cylinders 414 are fixedly provided inside the fixing seats 413, a third spring 417 is fixedly provided inside the liquid storage cylinders 414, which is far away from the center of one side of the fixing plate 401, a sleeve 415 and an inserting rod 416 are arranged inside the third spring 417, the inserting rod 416 is slidably arranged inside the sleeve 415, and the sleeve 415 is fixedly provided inside the liquid storage cylinders 414, which is far away from one side of the fixing plate 401.

By adopting the above technical scheme, the sleeve 415 and the plunger 416 can support and limit the third spring 417.

The fixed plate 401 bottom fixed mounting has two sets of guide rails, and two sets of guide rails symmetric distribution, a set of the guide rail is including the three slide rail 402 that straight line distributes, is located the centre slide on the slide rail 402 is equipped with first slider 403, and the remaining two slide rail 402 is last to slide and is equipped with two second sliders 404, first slider 403 and second slider 404 top all rotate and are equipped with a plurality of ball, and the ball slides and set up in fixed plate 401 bottom, first slider 403 outer lane fixed mounting has first fixed frame 405, two second slider 404 outer lane fixed mounting has second fixed frame 406, and two first fixed frames 405 of fixed plate 401 below are located between two second fixed frames 406.

By adopting the above technical scheme, the first slider 403 and the second slider 404 can slide on the slide rail 402.

Fixed plate 401 bottom center department fixed mounting has fixed block 407, the both sides that fixed block 407 is close to the electric motor car wheel are all fixed mounting has two first springs 408, and the other end of the first springs 408 of fixed block 407 both sides respectively with two first fixed frame 405 outer lane fixed connection, be located one side be equipped with two pull rods 409 that are splayed distribution between first fixed frame 405 and the second fixed frame 406, and two pull rods 409 are located the tip of second fixed frame 406 and are close to each other, two the equal articulated fourth articulated seat 410 that is connected with in pull rod 409 both ends, and the fourth articulated seat 410 at pull rod 409 both ends is fixed mounting respectively at first fixed frame 405 and second fixed frame 406 outer lane.

By adopting the above technical solution, the first spring 408 can buffer the moving process of the first fixing frame 405, so as to offset a part of collision force.

Two movable rods 411 are fixedly arranged on one side, far away from the pull rod 409, of the second fixed frame 406, two liquid storage cylinders 414 inside a fixed seat 413 on one side of the movable rods 411 are inserted in a sliding manner at one end, far away from the second fixed frame 406, of the movable rods 411, a second spring 412 is sleeved on the outer ring of the movable rods 411, and two ends of the second spring 412 are fixedly connected with one end, close to the center of the fixed plate 401, of the liquid storage cylinder 414, inserted by the outer ring of the second fixed frame 406 and the movable rods 411 inside the second spring 412 respectively.

By adopting the technical scheme, the second fixed frame 406 can be moved to drive the moving rod 411 to move and is inserted into the liquid storage barrel 414.

The buffer mechanism 5 includes a moving piston 501, the moving piston 501 is fixedly mounted at one end of the moving rod 411 away from the second fixed frame 406, and the moving piston 501 can be slidably disposed inside the liquid storage barrel 414, and the center of one end of the moving piston 501 away from the moving rod 411 is fixedly connected with a third spring 417 and a plunger 416 inside the liquid storage barrel 414.

By adopting the above technical scheme, the movable piston 501 can move inside the liquid storage cylinder 414.

A plurality of round holes 508 which are distributed in an annular mode are formed in the moving piston 501, two deflection plates 504 are arranged on one side, close to the center of the fixed plate 401, of each round hole 508, the deflection plates 504 can seal the round holes 508, a fixing rod 503 is fixedly mounted in one end, far away from the center of each round hole 508, of each deflection plate 504, two supporting blocks 502 are rotatably arranged on the fixing rod 503, the two supporting blocks 502 are fixedly mounted at one end, close to the center of the fixed plate 401, of the moving piston 501, a rotating rod 505 is rotatably arranged at one end, close to the center of each round hole 508, of each deflection plate 504, connecting blocks 506 are fixedly mounted at two ends of each rotating rod 505, each connecting block 506 is fixedly mounted with a fourth spring 507, and the other end of each fourth spring 507 is fixedly connected with one end, close to the center of the moving piston 501, of the corresponding fixing plate 401.

By adopting the above technical scheme, the deflection plate 504 and the extension of the fourth spring 507 can cooperate with the liquid in the liquid storage cylinder 414 to continuously buffer the moving process of the moving piston 501.

The contact mechanism 6 comprises a fifth hinge seat 601, two ends of the fifth hinge seat 601, which are close to wheels of the electric vehicle, are hinged with a first offset arm 602 and two second offset arms 603, the first offset arm 602 is located between the two second offset arms 603, one ends of the first offset arm 602 and the second offset arm 603, which are far away from the fifth hinge seat 601, are hinged with a sixth hinge seat 604, the sixth hinge seat 604 on the first offset arm 602 is fixedly mounted at the bottom end of the first sliding block 403, and the sixth hinge seats 604 on the two second offset arms 603 are respectively fixedly mounted at the bottom ends of the two second sliding blocks 404.

By adopting the above technical scheme, when the fifth hinge seat 601 is impacted, the first offset arm 602 and the second offset arm 603 are driven to offset, so that the first slider 403 and the second slider 404 can slide.

Working principle: when the electric vehicle chassis protection device is used, the motor unit 2 is fixedly arranged on the chassis of the electric vehicle and is in transmission connection with the electric vehicle transmission mechanism, then the protection plate 101 is placed under the motor unit 2, the first buckle 103 is sleeved on the outer ring of the cross rod of the chassis of the electric vehicle, the second buckle 104 is deflected around the first hinging seat 105, the second buckle 104 is sleeved on the outer ring of the cross rod of the chassis of the electric vehicle, the limiting rod 305 is rotated to the position of the hook 106, the fastening screw 302 is rotated, two moving blocks 303 on the same section of bidirectional threads are mutually separated, the moving blocks 303 move to drive the offset rod 304 to deflect, the offset rod 304 deflects to drive the limiting rod 305 to move, the limiting rod 305 is clamped into the hook 106, and therefore the protection plate 101 is fixedly arranged on the chassis of the electric vehicle and is positioned under the motor unit 2, and the electric vehicle chassis can be protected;

when the chassis of the electric vehicle is impacted, the chassis of the electric vehicle firstly impacts a plurality of fifth hinging seats 601, the fifth hinging seats 601 move upwards at the moment and drive a first offset arm 602 and a second offset arm 603 which are connected with the fifth hinging seats to offset, the first offset arm 602 and the second offset arm 603 offset to drive a first sliding block 403 and a second sliding block 404 to slide on a sliding rail 402, the first sliding block 403 moves to drive a first fixed frame 405 to move, the first fixed frame 405 is far away from the first spring 408 and stretches the first spring 408, a part of impact force transmitted by the first fixed frame 405 is counteracted by the first spring 408, the first fixed frame 405 moves to drive a second fixed frame 406 connected with a pull rod 409 to move along with the first fixed frame, the impact force transmitted by the first offset arm 602 is transmitted to the second fixed frame 406, the impact force transmitted by the second offset arm 603 is transmitted by the second sliding block 404, and the second fixed frame 406 on the outer ring of the second sliding block 404 is moved along with the second fixed frame 406, the second fixed frame 406 moves to drive the moving rod 411 to move and compress the second spring 412, the second spring 412 is utilized to offset a part of collision force, the moving rod 411 moves to drive the moving piston 501 to move inside the liquid storage cylinder 414, when the moving piston 501 moves, the moving piston 501 presses liquid inside the liquid storage cylinder 414 to enable the liquid to push the deflection plate 504 to deflect and stretch the fourth spring 507, so that the liquid can pass through the round hole 508 to offset a part of collision force, the moving piston 501 moves to drive the inserting rod 416 to be inserted into the sleeve 415 and compress the third spring 417, a part of collision force is offset by the third spring 417, and finally, the rest of collision force is transmitted to the electric vehicle chassis connected with the outer ring of the end cylinder 102 through the liquid storage cylinder 414, so that the electric vehicle is protected, when the electric vehicle passes through a pit road, the motor group 2 can not be knocked, but the collision force is counteracted by a part and then transmitted to the two sides of the chassis of the electric vehicle, so that the motor group 2 can be effectively protected.

It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims

1. The utility model provides a high protection electric motor car motor, includes protection machanism (1), its characterized in that: the protection machanism (1) top is equipped with motor group (2), and protection machanism (1) and motor group (2) are all installed on the chassis of electric motor car, the both sides that protection machanism (1) top is close to the electric motor car wheel are equal fixed establishment (3), protection machanism (1) bottom is equipped with a plurality of transfer mechanism (4) that sharp distributes, transfer mechanism (4) inside is equipped with four buffer machanism (5), and buffer machanism (5) can slide to set up inside transfer mechanism (4), the bottom of transfer mechanism (4) articulates and is connected with contact mechanism (6).

2. The high-protection electric vehicle motor according to claim 1, wherein the protection mechanism (1) comprises a protection plate (101), two sides of the protection plate (101) close to the wheels of the electric vehicle are fixedly provided with end barrels (102), one side of the end barrels (102) away from the protection plate (101) is fixedly provided with two first buckles (103), two second buckles (104) are arranged between the two first buckles (103), one side bottom end of the second buckles (104) close to the end barrels (102) is provided with two first hinging seats (105), the two first hinging seats (105) are fixedly connected with the second buckles (104) and the end barrels (102) on the side surfaces of the two first hinging seats respectively, and the end barrels (102) are fixedly clamped on a cross beam of the chassis of the electric vehicle through the two first buckles (103) and the two second buckles (104).

3. The high-protection electric vehicle motor according to claim 2, wherein the fixing mechanism (3) comprises four supporting seats (301), the four supporting seats (301) are fixedly installed at the top ends of the end barrels (102) below the four supporting seats (301), fastening screws (302) are rotatably arranged on the four supporting seats (301), two sections of bidirectional threads are arranged on the outer ring of each fastening screw (302), two moving blocks (303) are respectively arranged on the two sections of bidirectional threads of each fastening screw (302), offset rods (304) are respectively arranged on the side surfaces of the two moving blocks (303) on the same section of bidirectional threads, third hinging seats (307) are respectively fixedly installed at two ends of each offset rod (304), a second hinging seat (306) is respectively hinged between the two third hinging seats (307), limiting rods (305) are respectively arranged between the two offset rods (304), two second hinging seats (306) are respectively fixedly installed at two ends of each limiting rod (305), the top ends of each second buckle (104) are fixedly installed with two moving blocks (303), and the two hooks (106) can be respectively clamped into the side surfaces of the two hooks (106) located on the end barrels (106).

4. The high-protection electric vehicle motor according to claim 2, wherein the transfer mechanism (4) comprises a fixed plate (401), the top end of the fixed plate (401) is fixedly connected with the bottom end of the protection plate (101), two sides of the fixed plate (401) close to the wheels of the electric vehicle are fixedly provided with fixed seats (413), the two fixed seats (413) are respectively fixedly provided with two liquid storage cylinders (414) inside the fixed seats (413), a third spring (417) is fixedly provided at the center of one side of the liquid storage cylinder (414) away from the fixed plate (401), a sleeve (415) and an inserting rod (416) are arranged inside the third spring (417), the inserting rod (416) is arranged inside the sleeve (415) in a sliding mode, and the sleeve (415) is fixedly provided at one side of the liquid storage cylinder (414) away from the fixed plate (401).

5. The high-protection electric vehicle motor according to claim 4, wherein two groups of guide rails are fixedly mounted at the bottom end of the fixing plate (401), the two groups of guide rails are symmetrically distributed, one group of guide rails comprises three guide rails (402) which are linearly distributed, a first sliding block (403) is slidably arranged on the middle guide rail (402), two second sliding blocks (404) are slidably arranged on the rest two guide rails (402), a plurality of balls are rotatably arranged at the top ends of the first sliding block (403) and the second sliding block (404), the balls are slidably arranged at the bottom end of the fixing plate (401), a first fixing frame (405) is fixedly mounted on the outer ring of the first sliding block (403), two second fixing frames (406) are fixedly mounted on the outer ring of the second sliding block (404), and the two first fixing frames (405) below the fixing plate (401) are located between the two second fixing frames (406).

6. The high-protection electric vehicle motor according to claim 5, wherein a fixed block (407) is fixedly installed at the center of the bottom end of the fixed plate (401), two first springs (408) are fixedly installed at two sides of the fixed block (407) close to the electric vehicle wheels, the other ends of the first springs (408) at two sides of the fixed block (407) are fixedly connected with outer rings of two first fixed frames (405) respectively, two pull rods (409) distributed in a splayed mode are arranged between the first fixed frames (405) and the second fixed frames (406) at one side, the end parts of the two pull rods (409) located at the second fixed frames (406) are mutually close to each other, a fourth hinging seat (410) is hinged at two ends of each pull rod (409), and the fourth hinging seats (410) at two ends of each pull rod (409) are fixedly installed on the outer rings of the first fixed frames (405) and the second fixed frames (406) respectively.

7. The motor of claim 6, wherein two moving rods (411) are fixedly installed on one side, far away from the pull rod (409), of the second fixed frame (406), two liquid storage cylinders (414) inside a fixed seat (413) on one side of the two moving rods (411) are slidably inserted into one end, far away from the second fixed frame (406), of the two moving rods, a second spring (412) is sleeved on an outer ring of the moving rods (411), and two ends of the second spring (412) are fixedly connected with one end, close to the center of the fixed plate (401), of a liquid storage cylinder (414) inserted into the outer ring of the second fixed frame (406) and the moving rods (411) inside the second spring (412) respectively.

8. The motor of claim 7, wherein the buffer mechanism (5) comprises a movable piston (501), the movable piston (501) is fixedly installed at one end of the movable rod (411) far away from the second fixed frame (406), the movable piston (501) can be slidably arranged inside the liquid storage barrel (414), and the center of one end of the movable piston (501) far away from the movable rod (411) is fixedly connected with a third spring (417) and the inserted rod (416) inside the liquid storage barrel (414).

9. The high-protection electric vehicle motor according to claim 8, wherein a plurality of circular holes (508) distributed in an annular mode are formed in the moving piston (501), two deflection plates (504) are arranged on one side, close to the center of the fixed plate (401), of each circular hole (508), the deflection plates (504) can seal the circular holes (508), a fixed rod (503) is fixedly arranged at one end, away from the center of the circular holes (508), of each deflection plate (504), two supporting blocks (502) are rotatably arranged on the fixed rod (503), two supporting blocks (502) are fixedly arranged at one end, close to the center of the fixed plate (401), of each moving piston (501), a rotating rod (505) is rotatably arranged at one end, close to the center of the circular hole (508), of each deflection plate (504), connecting blocks (506) are fixedly arranged at two ends of each rotating rod (505), each connecting block (506) is fixedly arranged on a fourth spring (507), and the other end of each fourth spring (507) is fixedly connected with one end, close to the center of the moving piston (501), close to the center of the fixed plate (401).

10. The high protection electric vehicle motor according to claim 7, wherein the contact mechanism (6) comprises a fifth hinging seat (601), two ends of the fifth hinging seat (601) close to wheels of the electric vehicle are hinged with a first shifting arm (602) and two second shifting arms (603), the first shifting arm (602) is located between the two second shifting arms (603), one ends of the first shifting arm (602) and the second shifting arm (603) far away from the fifth hinging seat (601) are hinged with a sixth hinging seat (604), the sixth hinging seat (604) on the first shifting arm (602) is fixedly installed at the bottom ends of the first sliding blocks (403), and the sixth hinging seats (604) on the two second shifting arms (603) are fixedly installed at the bottom ends of the two second sliding blocks (404) respectively.