CN220009425U

CN220009425U - Quick-change bracket and electric vehicle

Info

Publication number: CN220009425U
Application number: CN202321050250.7U
Authority: CN
Inventors: 张建平; 褚佳玮
Original assignee: Aulton New Energy Automotive Technology Co Ltd
Current assignee: Aulton New Energy Automotive Technology Co Ltd
Priority date: 2023-04-28
Filing date: 2023-04-28
Publication date: 2023-11-14
Anticipated expiration: 2033-04-28

Abstract

The utility model discloses a quick-change bracket and an electric vehicle, wherein the quick-change bracket is arranged on a longitudinal beam of the electric vehicle and at least comprises a first bracket and a second bracket, and the first bracket and the second bracket are respectively arranged on two sides of the longitudinal beam; the first support and/or the second support comprises a supporting table and a connecting piece, the first support and/or the second support is used for a battery pack to be loaded on the supporting table along the direction perpendicular to the plane of the supporting table, and the connecting piece is used for connecting the supporting table and the longitudinal beam. The quick-change bracket is low in height and is positioned on two sides of the longitudinal beam, so that the safety of hoisting the battery pack can be improved, the gravity center of the battery pack is lowered, the battery can be replaced on two sides of the longitudinal beam, and the battery replacement efficiency is improved.

Description

Quick-change bracket and electric vehicle

Technical Field

The utility model belongs to the technical field of new energy automobiles, and particularly relates to a quick-change bracket and an electric vehicle.

Background

The development of new energy electric automobile is rapid, and at present, not only passenger car, more and more commercial cars such as tractor, truck, heavy truck have also adopted the integrative energy supply mode of charging and changing, and new energy electric automobile's battery package is generally installed on the automobile body through quick change support.

The quick-change bracket of the existing heavy truck is usually arranged above a vehicle beam, a battery pack is arranged on the quick-change bracket by adopting a top hanging method, so that the top hanging height of the battery pack is higher, the safety is lower, the weight and the size of the battery pack are heavier, the gravity center of the battery pack is higher, the stability of the battery pack relative to a vehicle is poorer, the driving safety of the vehicle is influenced, the rear space of a driver is occupied, and the driving experience of the driver is poorer.

Disclosure of Invention

The first object of the present utility model is to provide a quick-change bracket, which solves the problems of the existing battery pack of the new energy automobile, such as high center of gravity, poor stability relative to the vehicle, and low safety when the battery pack is installed.

A second object of the present utility model is to provide an electric vehicle having a low height of a quick-change bracket, a low center of gravity of a battery pack, and high safety when the battery pack is mounted.

The first object of the present utility model can be achieved by the following technical scheme:

the quick-change bracket is arranged on a longitudinal beam of the electric vehicle and at least comprises a first bracket and a second bracket, wherein the first bracket and the second bracket are respectively arranged on two sides of the longitudinal beam; the first support and/or the second support comprises a supporting table and a connecting piece, the first support and/or the second support is used for a battery pack to be loaded on the supporting table along the direction perpendicular to the plane of the supporting table, and the connecting piece is used for connecting the supporting table and the longitudinal beam.

By the top, divide into first support and second support at least with quick change support in this scheme, set up first support and second support in the both sides of longeron, when installing the battery package, can hoist the battery package, make the battery package load in the saddle along the direction of the plane of perpendicular to saddle. Therefore, firstly, the lifting height of the quick-change bracket is reduced, the safety is improved, the lifting kinetic energy during lifting is reduced, energy is saved, the gravity center of the battery pack is lowered, the stability of the battery pack is improved, and a larger space is improved for the stability and safety of the vehicle; secondly, the battery packs can be arranged and fixed on the quick-change brackets on the two sides of the longitudinal beam, the influence on the battery packs when the electric vehicle is twisted in the running process is small, the battery packs are prevented from being damaged, and the quick-change brackets are convenient to transport and store; thirdly, the electric vehicle can be subjected to double-side power conversion, the power conversion efficiency is improved, and the influence of the size of the longitudinal beam on the power conversion is reduced.

As a preferred implementation manner of the quick-change bracket, the supporting stand is provided with a guide post, the guide post is perpendicular to the plane of the supporting stand, and the guide post is used for being abutted with the battery pack or a battery frame for accommodating the battery pack.

In this scheme, when installing or dismantle the battery package on quick change support, the guide post can be directed the battery package or hold the battery frame of battery package for battery package or battery frame can be fast, accurately along vertical direction drop on prescribed mounted position, or along vertical direction non-skew ground and quick change support separation.

As a preferred implementation of the quick-change bracket, a plurality of guide posts are provided, which are arranged along the longitudinal direction and/or the width direction of the longitudinal beam.

In this scheme, set up a plurality of guide posts, can further improve the direction effect to battery package or battery frame. The guide posts are arranged along the length direction or the width direction of the longitudinal beam, so that the stability and the reliability of the guide of the battery pack or the battery frame along the length direction or the width direction of the longitudinal beam can be improved, and the primary positioning of the battery pack or the battery frame along the length direction or the width direction can be realized; when the guide posts are distributed along the length direction and the width direction of the longitudinal beam, the stability and the reliability of the guide of each position of the battery pack or the battery frame can be improved, and the one-time positioning of the battery pack or the battery frame in the length direction and the width direction is realized.

As a preferred implementation of the quick-change bracket, the end of the guide post is provided with a guide inclined surface which extends obliquely upwards from the guide post towards the middle of the pallet.

In this scheme, the guide slope can assist battery package or battery frame to aim at the position of guide post, when quick change support installs battery package or battery frame, battery package or battery frame earlier with the guide slope contact to can follow the guide slope and move down, thereby transition to the cylinder part of guide post, carry out vertical removal, the guide slope has reduced the guide post and has had the requirement of battery package or battery frame in the position and the angle before the direction, and convenient processing, make the simple structure of guide post, dependable performance, reduce processing cost.

As a preferred implementation of the quick-change holder, the support is provided with a locking mechanism which is connected to a locking connection of the battery pack or a battery frame bottom accommodating the battery pack.

In this scheme, set up lock mechanism on the saddle, be applicable to the condition of battery package hoist and mount installation, dismantlement. When the battery pack or the battery frame falls on the supporting table along the vertical direction, a locking mechanism on the supporting table is aligned with a locking connection structure at the bottom of the battery pack or the battery frame and can be in locking connection, so that the battery pack or the battery frame is locked on the quick-change bracket; when the battery pack or the battery frame is dismounted, the battery pack or the battery frame can be lifted only by unlocking the locking mechanism and the locking connecting structure, so that the dismounting process is convenient and quick, and the electricity exchanging efficiency is improved.

As a preferred embodiment of the quick-change bracket, a plurality of locking means are provided, which are arranged in the longitudinal direction and/or the width direction of the longitudinal beam.

In this scheme, set up a plurality of lock mechanism, increase lock point quantity, improve the steadiness and the reliability of battery package and quick change support locking, lock mechanism can be arranged along longeron length direction or width direction, improves stability and reliability in longeron length direction or width direction, can also arrange along longeron length direction and width direction for battery package and quick change support are all firm reliable in the locking of each direction.

As a preferred implementation of the quick-change bracket, the lock mechanism includes one or more of a bolt lock, a bead lock, a T-lock, and a shackle padlock.

In this scheme, can select the lock mechanism of different kinds or different kinds combination according to different service conditions, improve quick change support's application scope.

As a preferred implementation of the quick-change stand, the pallet is provided with a car-end electrical connector for connection with a battery-end electrical connector on the battery pack or battery frame bottom housing the battery pack.

In the scheme, the vehicle-end electric connector is arranged on the supporting table, so that the vehicle-end electric connector is suitable for the condition of hoisting, mounting and dismounting the battery pack, and when the battery pack or the battery frame falls on the supporting table along the vertical direction, the vehicle-end electric connector on the supporting table and the battery-end electric connector at the bottom of the battery pack or the battery frame can be aligned and connected along the vertical direction, and the vehicle-end electric connector does not need to translate along the horizontal plane to be inserted with the battery-end electric connector any more, so that the electric connection efficiency is improved; when the battery pack or the battery frame is detached, the battery pack or the battery frame is lifted, and the vehicle end electric connector and the battery end electric connector can be disconnected, so that the detachment process is convenient and quick, and the electricity exchanging efficiency is improved.

As a preferred embodiment of the quick-change bracket, the first bracket and/or the second bracket is detachably connected to the longitudinal beam.

In this scheme, first support and second support can be as independent structure and make, transport, store and sell, reduce the cost of transportation and the storage of quick change support, reduce the cost of user's maintenance, change.

As a preferred implementation manner of the quick-change bracket, the quick-change bracket further comprises a reinforcing beam, and two ends of the reinforcing beam are respectively connected with the first bracket and the second bracket.

In this scheme, can be connected through stiffening beam between first support and the second support, strengthen the connection between the two, improve the stability of quick change support.

As a preferred implementation of the quick-change bracket, a flange is arranged on one side of the pallet far from the longitudinal beam, and the flange is perpendicular to the pallet; and/or, along the length direction of the longitudinal beam, two sides of the saddle are provided with side plates, and the side plates are perpendicular to the saddle.

In this scheme, can set up flange or curb plate on the saddle, perhaps flange and curb plate. After the battery pack or the battery frame is mounted on the quick-change bracket, the blocking edge can block the battery pack or the battery frame from moving along the supporting table in a direction away from the longitudinal beam, so that the battery pack or the battery frame is protected, and the safety is improved; the side plates can prevent the battery frame from moving along the length direction of the longitudinal beam after the battery pack, so that the battery pack or the battery frame is protected, and the safety is improved.

The second object of the present utility model can be achieved by the following technical scheme:

an electric vehicle comprises the quick-change bracket of any one of the above, wherein the quick-change bracket of the electric vehicle is low in height, low in center of gravity of a battery pack and high in safety when the battery pack is mounted.

By adopting the technical scheme, the utility model has the following beneficial effects:

1. the quick-change bracket is at least divided into the first bracket and the second bracket, the first bracket and the second bracket are arranged on two sides of the longitudinal beam, and when the battery pack is installed, the battery pack can be lifted up, so that the battery pack is loaded on the supporting table along the direction vertical to the plane of the supporting table. Therefore, the lifting height of the quick-change bracket is reduced, the safety is improved, the lifting kinetic energy during lifting is reduced, the energy is saved, the gravity center of the battery pack is lowered, the stability of the battery pack is improved, and a larger space is improved for the stability and safety of the vehicle;

2. the battery packs can be arranged and fixed on the quick-change brackets on the two sides of the longitudinal beam, the electric vehicle has little influence on the battery packs when encountering torsion in the driving process, the battery packs are prevented from being damaged, and the quick-change brackets are convenient to transport and store;

3. the utility model enables the electric vehicle to perform double-side power conversion, improves the power conversion efficiency, and reduces the influence of the size of the longitudinal beam on the power conversion.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

FIG. 1 is a schematic perspective view of a quick-change bracket according to an embodiment of the present utility model;

FIG. 2 is an enlarged view of the structure of FIG. 1 at A;

FIG. 3 is an enlarged view of the structure at B in FIG. 1;

FIG. 4 is a schematic perspective view of a quick-change bracket according to an embodiment of the present utility model;

FIG. 5 is an enlarged view of the structure at C in FIG. 4;

FIG. 6 is a schematic top view of a quick-change bracket according to an embodiment of the present utility model;

FIG. 7 is a schematic front view of a quick-change bracket according to an embodiment of the present utility model;

fig. 8 is a schematic side view of a quick-change bracket according to an embodiment of the utility model.

Reference numerals illustrate:

1. a longitudinal beam; 11. a first connection hole;

2. a bracket is quickly replaced; 21. a first bracket; 22. a second bracket; 23. a support; 231. a guide post; 2311. a guide slope; 232. a lock mechanism; 233. a vehicle end electrical connector; 234. a bottom plate; 235. a housing; 24. a connecting piece; 241. a second connection hole; 25. a stiffening beam; 26. a first reinforcement; 27. a second reinforcement; 28. a flange; 29. and a side plate.

Detailed Description

In order to more clearly illustrate the general inventive concept, a detailed description is given below by way of example with reference to the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced in other ways than those described herein, and therefore the scope of the present utility model is not limited to the specific embodiments disclosed below. It should be noted that, without conflict, embodiments of the present utility model and features in each embodiment may be combined with each other.

In addition, in the description of the present utility model, it should be understood that the terms "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Referring to fig. 1, the present embodiment firstly proposes a quick-change bracket, which is mounted on a longitudinal beam 1 of an electric vehicle, wherein the quick-change bracket 2 at least comprises a first bracket 21 and a second bracket 22, and the first bracket 21 and the second bracket 22 are respectively arranged at two sides of the longitudinal beam 1; the first bracket 21 and/or the second bracket 22 include a pallet 23 and a connecting member 24, and the first bracket 21 and/or the second bracket 22 is provided for the battery pack to be loaded on the pallet 23 in a direction perpendicular to the plane of the pallet 23, and the connecting member 24 connects the pallet 23 and the side member 1.

From the above, in this embodiment, the quick-change bracket 2 is at least divided into the first bracket 21 and the second bracket 22, the first bracket 21 and the second bracket 22 are disposed on two sides of the longitudinal beam 1, and when the battery pack is mounted, the battery pack can be lifted up, so that the battery pack is loaded on the supporting platform 23 along the direction perpendicular to the plane of the supporting platform 23. Therefore, firstly, the lifting height of the quick-change bracket 2 is reduced, the safety is improved, the lifting kinetic energy during lifting is reduced, energy is saved, the gravity center of the battery pack is lowered, the stability of the battery pack is improved, and a larger space is provided for the stability and safety of the vehicle; secondly, the battery packs can be arranged and fixed on the quick-change brackets 2 on the two sides of the longitudinal beam 1, the influence on the battery packs when the electric vehicle is twisted in the running process is small, the battery packs are prevented from being damaged, and the quick-change brackets 2 are convenient to transport and store; thirdly, the electric vehicle can be subjected to double-side power conversion, the power conversion efficiency is improved, and the influence of the size of the longitudinal beam on the power conversion is reduced.

It will be appreciated by those skilled in the art that the tray 23 serves to carry a battery pack, and the present utility model is not limited to the structural form of the tray 23, and in the embodiment of the present utility model, the tray 23 is preferably a flat plate-like structure, and the tray 23 may be a frame plate, a grid plate, a mesh plate, or the like, with reference to fig. 1 and 6.

It will be appreciated by those skilled in the art that the connection members 24 serve to connect the pallet 23 to the side member 1, and the number and the structural form of the connection members 24 are not limited in the present utility model, and referring to fig. 1 and 7, in the embodiment of the present utility model, the connection members 24 may be four bar-shaped plates arranged along the extending direction of the side member 1, each connection member 24 is in a vertical state, and both ends of each connection member 24 are connected to the pallet 23 and the side member 1, respectively. In one embodiment, the connecting piece 24 and the longitudinal beam 1 and the pallet 23 may be connected by means of a screw connection, riveting, welding or the like, preferably by means of a detachable connection.

In a preferred embodiment of the quick-change holder, the pallet 23 is provided with guide posts 231, the guide posts 231 being arranged perpendicular to the plane of the pallet 23, the guide posts 231 being intended to abut against the battery pack or a battery frame accommodating the battery pack.

In this way, when the battery pack is mounted or dismounted on the quick-change holder 2, the guide posts 231 can guide the battery pack or the battery frame accommodating the battery pack, so that the battery pack or the battery frame can be quickly and accurately dropped on a prescribed mounting position in the vertical direction or separated from the quick-change holder 2 without being offset in the vertical direction.

It will be appreciated by those skilled in the art that the guide posts 231 serve to guide the process in which the battery pack or the battery frame can be accurately vertically moved to the installation position, the present utility model is not limited to the structural form of the guide posts 231, and referring to fig. 2, in the embodiment of the present utility model, the guide posts 231 are prismatic guide posts 231. In another embodiment, the guide posts 231 may also be cylindrical guide posts 231.

In a preferred embodiment of the quick-change bracket, a plurality of guide posts 231 are provided, the plurality of guide posts 231 being arranged in the longitudinal and/or width direction of the longitudinal beam 1.

In this way, the plurality of guide posts 231 are provided, and the guide effect on the battery pack or the battery frame can be further improved. Referring to fig. 1 and 6, the guide posts 231 in the present embodiment are disposed around the pallet 23 and arranged along the length direction and the width direction of the side member 1, so that the stability and reliability of the guide of each position of the battery pack or the battery frame can be improved, and the one-time positioning of the battery pack or the battery frame in the length direction and the width direction can be realized. In other embodiments of the present utility model, the guide posts 231 may be arranged along the length direction or the width direction of the longitudinal beam 1, so that stability and reliability of guiding the battery pack or the battery frame along the length direction or the width direction of the longitudinal beam 1 can be improved, and one-time positioning of the battery pack or the battery frame along the length direction or the width direction can be realized.

In a preferred embodiment of the quick-change bracket, the end of the guide post 231 is provided with a guide ramp 2311, the guide ramp 2311 extending obliquely upward from the guide post 231 toward the middle of the pallet 23.

In this way, the guiding inclined plane 2311 can assist the battery pack or the battery frame to align with the position of the guiding column 231, when the battery pack or the battery frame is mounted on the quick-change bracket 2, the battery pack or the battery frame is firstly contacted with the guiding inclined plane 2311 and can move downwards along the guiding inclined plane 2311, so that the battery pack or the battery frame transits to the column part of the guiding column 231 to move vertically, the guiding inclined plane 2311 reduces the requirement of the guiding column 231 on the position and the angle of the battery pack or the battery frame before guiding, and the battery pack or the battery frame is convenient to process, so that the guiding column 231 has simple structure, reliable performance and reduced processing cost.

It will be appreciated by those skilled in the art that referring to fig. 2, the guide slope 2311 in this embodiment is a straight wire slope, and in other embodiments, the guide slope 2311 may be an arc-shaped guide slope 2311.

In a preferred embodiment of the quick-change stand, the pallet 23 is provided with a lock mechanism 232, and the lock mechanism 232 is connected to a lock connection structure at the bottom of the battery pack or the battery frame accommodating the battery pack.

Thus, the lock mechanism 232 is provided on the pallet 23, and is suitable for the case of hanging and mounting and dismounting the battery pack. When the battery pack or the battery frame falls onto the supporting platform 23 along the vertical direction, a locking mechanism 232 on the supporting platform 23 is aligned with a locking connection structure at the bottom of the battery pack or the battery frame and can perform locking connection, so that the battery pack or the battery frame is locked on the quick-change bracket 2; when the battery pack or the battery frame is dismounted, the battery pack or the battery frame can be lifted only by unlocking the locking mechanism 232 and the locking of the locking connection structure, so that the dismounting process is convenient and quick, and the power conversion efficiency is improved.

In a preferred embodiment of the quick-change bracket, a plurality of lock mechanisms 232 are provided, the plurality of lock mechanisms 232 being arranged in the longitudinal direction and/or the width direction of the longitudinal beam 1.

In this way, a plurality of locking mechanisms 232 are arranged, so that the number of locking points is increased, and the stability and reliability of locking the battery pack and the quick-change bracket 2 are improved. Referring to fig. 1 and 6, in the present embodiment, the locking mechanisms 232 may be arranged along the length direction and the width direction of the side member 1, so that the locking of the battery pack with the quick-change bracket 2 in all directions is stable and reliable. In other embodiments, the lock mechanisms 232 may be arranged along the length or width of the stringers 1 to improve stability and reliability along the length or width of the stringers 1.

In a preferred embodiment of the quick-change bracket, the lock mechanism 232 includes one or more of a bolt lock, a tension bead lock, a T-lock, and a shackle padlock.

Thus, according to different use conditions, different types or different types of combined lock mechanisms 232 can be selected, and the application range of the quick-change bracket 2 is improved.

The number and kind of the lock mechanisms 232 are not limited in the present utility model, and referring to fig. 2 and 6, four T-locks are used in the present embodiment, wherein the four T-locks are rectangular in distribution.

In a preferred embodiment of the quick-change stand, the pallet 23 is provided with a car-end electrical connector 233, the car-end electrical connector 233 being adapted to connect with a battery-end electrical connector on the bottom of a battery pack or battery frame housing the battery pack.

Therefore, the vehicle-end electric connector 233 is arranged on the supporting table 23, and is suitable for the condition of hoisting, mounting and dismounting the battery pack, when the battery pack or the battery frame falls on the supporting table 23 along the vertical direction, the vehicle-end electric connector 233 on the supporting table 23 and the battery-end electric connector at the bottom of the battery pack or the battery frame can be aligned and connected along the vertical direction, and the vehicle-end electric connector 233 does not need to translate along the horizontal plane to be inserted with the battery-end electric connector, so that the electric connection efficiency is improved; when the battery pack or the battery frame is detached, the battery pack or the battery frame is lifted, and the vehicle-end electric connector 233 and the battery-end electric connector can be disconnected, so that the detachment process is convenient and quick, and the electricity exchanging efficiency is improved.

Further, in a specific embodiment of the quick-change bracket, the car-end electrical connector 233 is in floating connection with the supporting stand 23, specifically, the car-end electrical connector may be mounted on a spring floating platform, and connected with the supporting stand 23 through the spring floating platform, so that the car-end electrical connector 233 can be floatingly aligned with the battery-end electrical connector when connected with the battery-end electrical connector at the bottom of the battery pack or the battery frame, thereby improving the success rate of electrical connection and the efficiency of electrical replacement, and reducing the abrasion of the car-end electrical connector 233 and the battery-end electrical connector.

In other embodiments, the vehicle end electrical connector 233 may also float through other structures.

Referring to fig. 1, 2 and 6, in the present embodiment, the supporting stand 23 is provided with a bottom plate 234, and the vehicle-end electrical connector 233 is mounted on the bottom plate 234, specifically, a frame higher than the bottom plate 234 is further enclosed around the bottom plate 234 in the present embodiment, and a protection slot is formed with the bottom plate 234, so that the vehicle-end electrical connector 233 is enclosed in the protection slot, and the protection effect on the vehicle-end electrical connector 233 is enhanced.

Referring to fig. 7, a cover 235 is disposed under the bottom plate 234 to protect the bottom of the vehicle-end electrical connector 233, and to protect the vehicle-end electrical connector 233 from water and dust.

In a preferred embodiment of the quick-change bracket, the first bracket 21 and/or the second bracket 22 are detachably connected to the longitudinal beam 1.

In this way, the first bracket 21 and the second bracket 22 can be manufactured, transported, stored and sold as independent structures, so that the transportation and storage costs of the quick-change bracket 2 are reduced, and the maintenance and replacement costs of a user are reduced.

Referring to fig. 1 and 3, in the present embodiment, the first bracket 21 and the second bracket 22 are detachably connected to the side member 1, the side wall of the side member 1 is provided with a plurality of first connecting holes 11, the connecting piece 24 of the first bracket 21 and the second bracket 22 is provided with a plurality of second connecting holes 241, and the first connecting holes 11 and the second connecting holes 241 are connected by bolts, so that the detachable connection can be realized, and the connection position can be properly adjusted.

In a preferred embodiment of the quick-change bracket, the quick-change bracket 2 further comprises a reinforcing beam 25, and two ends of the reinforcing beam 25 are respectively connected with the first bracket 21 and the second bracket 22.

In this way, the first bracket 21 and the second bracket 22 can be connected through the reinforcing beam 25, so that the connection between the two can be reinforced, and the stability of the first bracket 21 and the second bracket 22 can be improved. In the present utility model, the number and the structure form of the reinforcing beams 25 are not limited, and referring to fig. 1, 4 and 6, four reinforcing beams 25 are provided in the present embodiment, which are arranged along the extending direction of the longitudinal beam 1, one end of each reinforcing beam 25 is connected to the connecting member 24 on the first bracket 21, and the other end is connected to the connecting member 24 on the second bracket 22. Further, referring to fig. 1, 4 and 5, in this embodiment, the reinforcement beam 25 may be a channel steel, the connection piece 24 may be a connection piece 24 with a protruding side, the protruding of the connection piece 24 may be clamped into a groove of the reinforcement beam 25, and the protruding side of the connection piece 24 is connected with the side of the groove of the reinforcement beam 25 by bolts, so that the structures of the first bracket 21 and the second bracket 22 can be reinforced, and stability is improved; the first support 21 and the second support 22 may be provided with a second reinforcement 27 on the lower end surface of the respective support 23, and the second reinforcement 27 is provided with a connection end capable of extending into the groove of the reinforcement beam 25, so as to further strengthen the connection between the first support 21 and the second support 22 and the reinforcement beam 25, and improve stability; in addition, the other surface of the projection of the connecting member 24 is correspondingly formed with a groove, and when the connecting member 24 is connected with the side member 1, the side member 1 is connected with the projecting side, and the first reinforcing member 26 may be provided in the groove of the connecting member 24.

In a preferred embodiment of the quick-change bracket, the side of the pallet 23 remote from the stringers 1 is provided with a flange 28, the flange 28 being perpendicular to the pallet 23; and/or, along the length direction of the longitudinal beam 1, two sides of the pallet 23 are provided with side plates 29, and the side plates 29 are perpendicular to the pallet 23.

Thus, referring to fig. 1, 4 and 8, in this embodiment, the stand 23 is provided with a flange 28 and a side plate 29, and in other embodiments, only the flange 28 or only the side plate 29 may be provided. After the battery pack or the battery frame is mounted on the quick-change bracket 2, the blocking edge 28 can block the battery pack or the battery frame from moving along the pallet 23 in a direction away from the longitudinal beam 1, so that the battery pack or the battery frame is protected, and the safety is improved; the side plates 29 can prevent the battery frame from moving along the length direction of the longitudinal beam 1 after the battery pack, so that the battery pack or the battery frame is protected, and the safety is improved.

Those skilled in the art will appreciate that the present utility model is not limited in the number and configuration of the ribs 28 and side plates 29. Referring to fig. 1 and 4, in this embodiment, the flange 28 and the side plate 29 may be integrally formed, the flange 28 is a rectangular flange 28, and the side plate 29 is a polygonal side plate 29, so as to improve the stability of the overall structure of the quick-change bracket 2.

The embodiment also provides an electric vehicle, which is a commercial vehicle such as a heavy truck or a light truck and the like, and comprises the quick-change bracket 2, wherein the quick-change bracket 2 of the electric vehicle is low in height, the center of gravity of a battery pack is low, the stability of the battery pack is improved, the stability and the safety of the vehicle are improved by a large space, and the electric vehicle has little influence on the battery pack when encountering torsion in the driving process; the safety is higher when installing the battery package to the battery replacement efficiency is high.

The utility model can be realized by adopting or referring to the prior art at the places which are not described in the utility model.

In this specification, each embodiment is described in a progressive manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments.

The foregoing is merely exemplary of the present utility model and is not intended to limit the present utility model. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are to be included in the scope of the claims of the present utility model.

Claims

1. A quick-change bracket is arranged on a longitudinal beam of an electric vehicle and is characterized in that,

the quick-change bracket at least comprises a first bracket and a second bracket, and the first bracket and the second bracket are respectively arranged at two sides of the longitudinal beam;

the first support and/or the second support comprises a supporting table and a connecting piece, the first support and/or the second support is used for a battery pack to be loaded on the supporting table along the direction perpendicular to the plane of the supporting table, and the connecting piece is used for connecting the supporting table and the longitudinal beam.

2. A quick change stand according to claim 1, wherein the pallet is provided with guide posts arranged perpendicularly to the plane of the pallet for abutment with the battery pack or a battery frame accommodating the battery pack.

3. A quick change bracket according to claim 2, wherein a plurality of guide posts are provided, the guide posts being arranged in the longitudinal and/or width direction of the longitudinal beam.

4. A quick change stand according to claim 3, wherein the end of the guide post is provided with a guide ramp extending obliquely upward from the guide post toward the middle of the pallet.

5. A quick change stand according to claim 1, wherein the pallet is provided with a lock mechanism connected to a lock connection structure of the battery pack or a battery frame bottom accommodating the battery pack.

6. A quick change bracket according to claim 5, wherein a plurality of lock mechanisms are provided, the plurality of lock mechanisms being arranged in the longitudinal direction and/or the width direction of the longitudinal beam.

7. The quick change bracket of claim 5, wherein the lock mechanism comprises one or more of a bolt lock, a tension bead lock, a T-lock, and a shackle padlock.

8. A quick change stand according to claim 1, wherein the pallet is provided with a car end electrical connector for connection with a battery end electrical connector on the bottom of the battery pack or battery frame housing the battery pack.

9. A quick change bracket according to claim 1, wherein the first bracket and/or the second bracket is detachably connected to the longitudinal beam.

10. The quick-change bracket of claim 1, further comprising a stiffening beam, wherein two ends of the stiffening beam are connected to the first bracket and the second bracket, respectively.

11. The quick change bracket of claim 1, wherein a flange is provided on a side of the pallet remote from the stringers, the flange being perpendicular to the pallet; and/or, along the length direction of the longitudinal beam, two sides of the saddle are provided with side plates, and the side plates are perpendicular to the saddle.

12. An electric vehicle comprising a quick change bracket as claimed in any one of claims 1 to 11.