CN116001547A

CN116001547A - Vehicle for replacing electric vehicle

Info

Publication number: CN116001547A
Application number: CN202211305939.XA
Authority: CN
Inventors: 张建平; 黄春华
Original assignee: Aulton New Energy Automotive Technology Co Ltd
Current assignee: Aulton New Energy Automotive Technology Co Ltd
Priority date: 2022-07-15
Filing date: 2022-10-24
Publication date: 2023-04-25
Also published as: CN218558549U; CN218536330U; CN218558544U; CN218558553U; CN116118465A; CN116118451A; CN116039355A; CN116001549A; CN218577491U; CN218558545U; CN116118456A; CN219007568U; CN218536331U; CN218536329U; CN218558555U; CN116118467A; CN116118463A; CN218805181U; CN116252606A; CN116118458A

Abstract

The invention discloses a battery-changing vehicle, comprising: the battery pack is provided with a plurality of locking pieces matched with the locking mechanisms, and the locking pieces are matched with the locking mechanisms in a bolt locking mode along the vertical direction, so that the battery pack is connected to the bottom of the quick-change bracket in a bolt locking mode. According to the battery pack quick-change bracket, the locking piece is matched with the locking mechanism in a bolt locking mode, and the battery pack is vertically hung to the quick-change bracket, so that the battery pack is only lifted to a preset height below the quick-change bracket in the vertical hanging connection mode by the battery exchange equipment, the positioning mode of battery pack installation is simplified, the battery pack is connected with the quick-change bracket more firmly, the battery pack installation time is saved, and the operation cost of battery pack installation or disassembly is reduced.

Description

Vehicle for replacing electric vehicle

The present application claims priority from chinese patent application 2022108370942, whose application date is 2022, month 07, and 15. The present application refers to the entirety of the above-mentioned chinese patent application.

Technical Field

The invention relates to the technical field of vehicle power conversion, in particular to a power conversion vehicle.

Background

The current electric vehicle is popular with consumers, and needs to be charged after the electric energy is used, and the current battery technology and the charging technology limit that the electric vehicle needs to be fully charged takes a long time, which is not as simple and rapid as the direct oiling of the automobile. Therefore, in order to reduce the waiting time of the user, it is an effective means to replace the battery when the power of the battery-change vehicle is rapidly exhausted. At present, with the increasing market share and the frequency of use of battery-powered vehicles, in addition to small vehicles using storage batteries as driving energy, large vehicles (e.g., heavy trucks and light trucks) are beginning to be widely used as battery quick-change technologies.

In the process of disassembling and assembling the whole battery pack on the battery replacing vehicle, due to the large volume of the whole battery pack, the corresponding locking mechanisms are more in number, so that the difficulty of simultaneously locking and unlocking all the locking mechanisms is relatively high, and the bearing requirement and the precision requirement on the battery replacing equipment are high.

Disclosure of Invention

The invention aims to overcome at least one of the defects of the prior art and provides a power conversion vehicle.

The invention solves the technical problems by the following technical scheme:

a battery-powered vehicle comprising:

the vehicle body is provided with a plurality of wheels,

a quick-change bracket connected with the vehicle body,

a plurality of locking mechanisms which are connected with the two sides of the quick-change bracket along the width direction and/or the two sides of the length direction of the vehicle body and are arranged at intervals,

the battery pack is provided with a plurality of locking pieces matched with the locking mechanisms, and the locking pieces are matched with the locking mechanisms in a bolt locking mode along the vertical direction, so that the battery pack is connected to the bottom of the quick-change bracket in the bolt locking mode.

This trade locking piece of electric vehicle and locking mechanism cooperation and along vertical with battery package be connected to quick change support, vertical connected mode makes the battery package of just need be lifted to the predetermined height below the quick change support along vertical the battery package can, the locate mode of battery package installation has been simplified, simultaneously, the location of battery package along automobile body X to (length direction) and/or Y to (width direction) when realizing battery package connection through the locking mechanism that length direction and/or width direction interval set up, the battery package is lifted in place by the battery package and is fixed after being connected by the locking mechanism that is located automobile body lateral part with the locking piece, that is to say that the battery package is X to and/or Y is spacing also synchronous realization after connecting, the stability of battery package after having promoted after connecting, on the basis that the battery package was installed is simplified to the connected mode, the structure of battery package at X to the limit that need additionally set up the spacing piece after simplifying the battery package fixed connection, the battery package installation time has been saved and the running cost of battery package installation or dismantlement has been reduced.

In addition, the battery pack is vertically locked or unlocked along the vertical direction by the locking piece and the locking mechanism in a bolt locking mode, the bolt locking mode is simple to operate, the locking reliability is high, and compared with the traditional clamping type locking mode, the bolt locking is beneficial to reducing the abrasion between the locking piece and the locking mechanism, and the reliability and the durability of the structure are improved. Preferably, the structure of the bolt locking mode comprises the locking piece and the locking mechanism; the locking piece comprises a bolt, the locking mechanism comprises a nut, or the locking piece comprises a nut, and the locking mechanism comprises a bolt; the bolt and the nut are detachably connected to independently lock the battery pack on the quick-change bracket.

Among the above-mentioned technical scheme, realize the bolt locking between battery package and the vehicle of changing through the cooperation between bolt and the nut, the locking mode is simple and convenient, is favorable to improving locking efficiency.

Preferably, the bolt is arranged on the battery pack, and the nut is arranged on the quick-change bracket; or the nut is arranged on the battery pack, and the bolt is arranged on the quick-change bracket.

In the technical scheme, one of the bolts and the nuts is arranged on the battery pack, and the other is arranged on the quick-change bracket on the battery-change vehicle, so that the battery pack is connected with the battery-change vehicle through the cooperation of the bolts and the nuts.

Preferably, the bolt or the nut is arranged at the middle position of the battery pack, and the bolt or the nut penetrates through the battery pack.

The structure is used for guaranteeing the stability of connection of the battery pack and the vehicle.

Preferably, the bolt or nut is connected to the battery pack in a floating manner; alternatively, the bolt or the nut is connected to the quick-change bracket in a floating manner.

The structure is provided, the floating connection can reduce the torque or vibration of the vehicle when the vehicle is subjected to steering torsion or jolt and transmit the torque or vibration to the quick-change bracket, so that the influence of the torque or vibration on the quick-change bracket is reduced.

Preferably, the locking member or the locking mechanism further includes a fixed base, and the nut is floatingly connected to the fixed base.

Above-mentioned structure sets up, through fixed base and quick change support or roof beam fixed connection with improve locking piece or locking mechanism and quick change support or roof beam's area of contact, and then promote the stability after connecting the battery package.

Preferably, the bolt includes a threaded portion provided with threads and for threaded connection with the nut, and a connection portion.

In the technical scheme, the bolt is in threaded connection with the nut through the threaded part, so that the connection firmness is ensured.

Preferably, the locking mechanism or the locking piece further comprises a lock shell, and the bolt is arranged in the lock shell and can be lifted or rotated along the vertical direction relative to the lock shell.

Above-mentioned structure sets up, through the direction of movement of lock shell restriction bolt, realizes following vertical connection battery package and guarantees the battery package precision when being connected on quick change support or roof beam through locking piece and locking mechanism.

Preferably, the structure of the bolt locking mode further comprises an anti-rotation and anti-back structure, and the anti-rotation and anti-back structure is connected with the bolt and/or the nut so as to prevent relative rotation movement between the bolt and the nut.

Above-mentioned structure sets up, has avoided producing relative rotation when locking piece and locking mechanism cooperation through preventing changeing the stopping structure, and then has guaranteed the stability that the battery package is connected with the vehicle that trades.

Preferably, the anti-rotation anti-return structure comprises a first anti-rotation member and a second anti-rotation member;

the first anti-rotation piece is sleeved on the outer peripheral side of the second anti-rotation piece and is connected to the battery pack or the battery change vehicle;

the second anti-rotation piece is sleeved on the connecting part of the bolt and is used for switching between a first position and a second position under the action of external force;

When the second rotation preventing member is located at the first position, the outer peripheral wall of the second rotation preventing member is connected with the inner Zhou Bika of the first rotation preventing member;

when the second rotation preventing member is located at the second position, the second rotation preventing member is separated from the first rotation preventing member along the axial direction of the bolt.

In the technical scheme, the first anti-rotation piece plays roles in connection and positioning; the second rotation preventing part is moved to the second position from the first position by applying an acting force along the axial direction of the bolt through the external driving mechanism, the second rotation preventing part positioned at the second position can rotate freely and drives the bolt connected with the second rotation preventing part to rotate, the bolt and the nut are locked or unlocked, after the locking or unlocking operation is completed, the second rotation preventing part is driven to the first position from the second position, at the moment, the second rotation preventing part is clamped with the first rotation preventing part, the position of the second rotation preventing part is fixed, and the bolt cannot rotate any more.

Preferably, the first rotation preventing member is an inner gear ring, the second rotation preventing member is an outer gear ring, and the inner gear ring is sleeved on the outer peripheral side of the outer gear ring; when the second rotation preventing piece is positioned at the first position, gear teeth of the inner gear ring are clamped with gear teeth of the outer gear ring.

According to the technical scheme, the first rotation preventing piece and the second rotation preventing piece are clamped through the engagement of the inner gear ring and the outer gear ring, and the first rotation preventing piece is used for limiting the rotation of the second rotation preventing piece so as to limit the rotation of the bolt.

Preferably, the first rotation preventing member further includes an inner flange extending from an inner circumferential wall of the ring gear to a radially inner side of the ring gear; when the second rotation preventing member is located at the first position, one end, away from the bolt, of the second rotation preventing member is abutted against the inner flange.

Among the above-mentioned technical scheme, the setting of inward flange can prevent that the second from rotating the piece and keeping away from the one end slippage of nut from first preventing rotating the piece to the second and carrying out spacing to the removal of piece in first preventing rotating.

Preferably, the connecting part of the bolt extends into the second rotation preventing part, one of the outer peripheral wall of the connecting part and the inner peripheral wall of the second rotation preventing part is provided with a vertical groove in circumferential distribution, and the other is provided with a protrusion in circumferential distribution matched with the vertical groove.

Among the above-mentioned technical scheme, realize the connection of bolt and second anti-rotation piece through perpendicular groove and bellied cooperation to can restrict the rotation of bolt for the second anti-rotation piece, guarantee the stability of connection.

Preferably, the locking piece further comprises a lock shell, and the bolt is arranged in the lock shell and can lift or rotate along the vertical direction relative to the lock shell;

the anti-rotation and anti-return structure further comprises an elastic piece;

the first anti-rotation piece, the second anti-rotation piece and the elastic piece are all arranged in the lock shell;

the two ends of the elastic piece are respectively abutted to the lock shell and the second rotation preventing piece, and the elastic piece is used for applying acting force for enabling the second rotation preventing piece to reset from the second position to the first position to the second rotation preventing piece.

According to the technical scheme, when the second rotation preventing piece moves along the axial direction of the bolt towards the direction close to the nut, the elastic piece is pressed and generates compression displacement, and after the locking or unlocking of the bolt and the nut is completed through the second rotation preventing piece, under the action of the restoring force of the elastic piece, the second rotation preventing piece is reset to the first position and is clamped with the first rotation preventing piece, so that the rotation preventing piece does not rotate any more, and the rotation preventing function of the bolt is realized.

Preferably, a plurality of locking pieces are arranged in at least an edge area of the battery pack, and the plurality of locking pieces are arranged in the edge area of the battery pack along the length direction and/or the width direction of the vehicle body of the battery-powered vehicle so as to lock or unlock the battery pack at the bottom of the battery-powered vehicle.

Among the above-mentioned technical scheme, set up the locking piece in the marginal region of battery package and then lock or unblock the battery package in the bottom of trading electric vehicle, set up in the marginal region and be favorable to guaranteeing the stability that battery package and trading electric vehicle are connected, and then guarantee the safety and stability that trading electric vehicle was gone.

Preferably, a plurality of the locking members are further provided at a middle region of each of the battery packs.

In the technical scheme, the locking piece is further arranged in the middle area of the battery pack, so that the stability of connection between the battery pack and the vehicle for replacing the battery pack is further guaranteed.

Preferably, when the number of the locking members in the intermediate region is plural, the plurality of locking members are distributed in the longitudinal direction or the width direction of the vehicle body.

According to the technical scheme, the plurality of locking pieces are distributed along the length direction or the width direction of the vehicle body, so that the connection stability of the middle area of the battery pack and the vehicle replacement is ensured.

Preferably, the locking member located in the middle area is connected to the bottom of the battery-changing vehicle by being connected to the bottom of the battery-changing vehicle in the height direction of the battery-changing vehicle.

Among the above-mentioned technical scheme, through the direction of height articulates the battery package along trading the electric vehicle, reduce the lateral space occupation to the battery package middle zone when articulating the battery package through the locking piece, improve the convenience of stores pylon battery package.

Preferably, a plurality of locking pieces are arranged on the side surface of the battery pack, or a plurality of locking pieces are arranged on the top surface of the battery pack.

When the locking piece is arranged on the top surface of the battery pack, namely, the locking piece is arranged at the position, extending inwards by a preset distance, of the top edge of the battery pack along the width and/or length direction of the battery pack, and the locking position of the locking mechanism and the locking piece connected to the quick-change bracket is positioned on the top surface of the battery pack, so that the width of the battery pack cannot be increased due to the locking piece; secondly, the locking piece and the locking mechanism are aligned directly, so that the battery pack can be conveniently replaced by the battery replacement equipment; thirdly, the size of the quick-change bracket is reduced to be possible, which is beneficial to the size control of the quick-change bracket and the battery pack; in addition, the distance between the locking mechanisms is smaller, the connection precision of the battery packs is easier to ensure, the smooth connection of the battery packs is more facilitated, and the electricity conversion efficiency is improved.

When the locking piece is arranged on the side face of the battery pack, the space in the height direction of the battery pack is not occupied, and the height between the bottom of the vehicle body of the battery-powered vehicle and the ground is guaranteed. In addition, the locking position is arranged on the side part, so that the operation space is larger, and the reliable locking and unlocking of the battery pack are conveniently realized. The locking piece not only can be arranged on two sides of the length direction of the battery pack, but also can be arranged on two sides of the width direction of the battery pack, or can be arranged at the same time, the setting position is flexible, and the locking piece can be adjusted according to the actual locking or arrangement mode. In addition, when the locking piece is arranged on the side face of the battery pack, the locking piece and the locking mechanism can be matched to realize the positioning of the battery pack along the X direction (length direction) and/or the Y direction (width direction) of the vehicle body, so that the battery pack is prevented from moving after being connected to the vehicle.

When setting up the top and the side of battery package with the locking piece simultaneously, can play the limiting displacement to the battery package better, the locking is more reliable.

Preferably, the quick-change bracket is fixedly arranged on a beam of a vehicle body of the battery-change vehicle, the quick-change bracket is provided with a containing area with a downward opening, and each containing area is internally provided with a plurality of locking mechanisms so as to realize locking and unlocking of the battery pack in the containing area relative to the quick-change bracket in a bolt locking mode.

Among the above-mentioned technical scheme, hold the battery package through holding the district and make the battery package have independent installation space and carry out spacingly to the X to and the Y of battery package through independent installation space, set up the locking mechanism of a plurality of bolt locking modes in holding the district for the battery package is for locking and unblock convenient and fast more of quick change support.

Preferably, the quick-change bracket comprises a bracket body connected with the vehicle body, wherein a plurality of locking mechanisms are directly connected with the bracket body or connected with the bracket body through a transfer bracket, the transfer bracket extends downwards from the bracket body, and the transfer bracket and the bracket body are in an integrated structure or the transfer bracket is detachably connected with the bracket body;

Or, the quick-change bracket is formed by fixedly connecting a plurality of cross beams and a plurality of longitudinal beams, and the plurality of locking pieces are fixedly arranged on any side surface of the cross beams or the longitudinal beams, so that the locking direction of the bolt locking mode is consistent with the height direction of the battery-powered vehicle.

Above-mentioned structure sets up, is used for matching the automobile body in order to promote the stability of battery stores pylon through the quick change support, and locking mechanism both can direct connection also can be connected on the quick change support through the switching frame on the quick change support for guarantee that the battery package is along vertical articulates in the quick change support, further along vertical connection in the automobile body. When the locking mechanism is directly connected with the bracket body, the quick-change bracket has simple structure and is easy to process; when the switching frame is used, the downward extending switching frame can play a certain limiting role on the battery pack, and then the stability of the battery pack after being hung can be improved.

When quick change support is formed by a plurality of crossbeams and a plurality of longeron fixed connection, the junction of crossbeam and longeron is formed with a plurality of clearances, and the locking mechanism setting of bolt locking mode can increase the quantity of locking mechanism in the side of crossbeam or longeron, and then improves the stability after the battery package articulates to can also carry out spacingly to the battery package in X direction or Y direction when being connected with the battery package through locking mechanism, increase the locking mechanism and just increase the spacing quantity to the battery package, be favorable to improving the positioning accuracy after the battery package articulates.

Preferably, the transfer frame forms a receiving area for surrounding the battery pack, and at least part of the battery pack is surrounded in the receiving area along the vertical direction.

Above-mentioned structure sets up, forms the accommodation area through the switching frame, in the direction of height, accommodates the district and surrounds battery package at least partially in the accommodation area, is located the part battery package that holds the district and carries out spacingly through the accommodation area all around, improves the connection stability after battery package articulates in battery stores pylon.

Preferably, the locking piece is arranged on the side surface of the battery pack, and the locking piece is spaced from the top surface of the battery pack by a preset distance;

the bottom of switching frame is equipped with the mounting groove, locking mechanism set up in the mounting groove.

Above-mentioned structure sets up, sets up the locking piece in battery package side preset distance department from the top surface, cooperates with the switching frame spacing to the battery package, can weaken the battery package and rock (for example when the vehicle is accelerated or emergency braking) to the influence of lock point, is favorable to guaranteeing the reliability of locking. Through setting up locking mechanism in the mounting groove of adapter bottom, can promote the reliability and the steadiness fixed to locking mechanism to be favorable to strengthening the reliability and the steadiness of locking, can reduce the invasion of locking mechanism to horizontal space like this moreover, the structure is compacter.

Preferably, a guiding mechanism is arranged between the switching frame and the battery pack, the guiding mechanism comprises a guiding block and a guiding surface, the guiding block is arranged on the side surface of the battery pack, and the switching frame faces to one side surface of the battery pack to form the guiding surface.

According to the structure, the guide surface for guiding the battery pack to be hung along the vertical direction is formed on the surface, facing the battery pack, of the transfer frame, so that the hanging precision of the battery pack when the battery pack is hung on the transfer frame is improved, the success rate of hanging the battery pack is improved, the hanging speed of the battery pack is improved, and in addition, the transverse size is reduced; the side of the battery pack is provided with the guide block which is used for acting the same as the guide surface, and the guide block and the guide surface are used for guiding the battery pack when the battery pack is hung on the battery hanger, so that the battery pack is hung more smoothly.

Preferably, a buffer mechanism is arranged at the side surface of the battery pack corresponding to the bottom end of the transfer frame, the buffer mechanism is arranged below the locking piece, and the buffer mechanism comprises a buffer piece capable of elastically deforming in the vertical direction.

Above-mentioned structure sets up, slows down through setting up buffer gear that the switching is put up between with the battery package and locking mechanism and locking piece between the impact when the battery package articulates, in addition, buffer gear also can slow down the battery package and articulate the back and travel along with the vehicle in-process rocking, is favorable to the reliability and the stability of locking. The buffer mechanism is arranged corresponding to the bottom end of the transfer frame, so that the buffer mechanism does not occupy extra transverse space. In addition, the buffer mechanism can be continuously arranged around the side face of the battery pack, and can also be intermittently arranged, and when the buffer mechanism is continuously arranged around the side face of the battery pack, an interference preventing hole for preventing the locking mechanism and the locking piece from being interfered should be reserved.

Preferably, the bottom end of the switching frame points to the top surface of the battery pack, and the switching frame is correspondingly arranged with the locking piece arranged on the top surface of the battery pack.

The structure is arranged, and the locking part and the switching frame are arranged on the top surface of the battery pack, so that the locking position is located on the top surface of the battery pack. Preferably, the plurality of locking mechanisms are connected to two sides of the quick-change bracket along the length direction (X direction) of the vehicle body, and the locking mechanisms can be arranged in the length direction of the vehicle body girder and are more reliable when the size of the quick-change bracket in the width direction of the vehicle is controlled.

Preferably, the plurality of locking mechanisms are provided in an edge region of the battery pack accommodating region in a body length direction and/or a width direction of the battery-powered vehicle.

Above-mentioned structure sets up, and locking mechanism sets up in the marginal area of battery package accommodation area along automobile body length direction, and this locking mechanism is when articulating with the battery package, holds the district and holds the battery package and come spacing battery package in this direction through the locking mechanism along automobile body length direction, and likewise, locking mechanism sets up in the marginal area of battery package accommodation area along automobile body width direction also in order to limit the position of battery package in this direction when battery package articulates, promotes the connection stability of battery package when omitting the locating part.

Preferably, a plurality of the locking mechanisms are further provided in a middle region of the battery pack accommodating region.

Above-mentioned structure sets up, and the middle zone of battery package holding area is provided with a plurality of locking mechanisms equally, improves the stability after battery package and quick change support are articulated through the mode that increases locking mechanism.

Preferably, when the plurality of locking mechanisms are provided in the intermediate region, the plurality of locking mechanisms are distributed in the longitudinal direction or the width direction of the vehicle body.

Above-mentioned structure sets up, and when locking mechanism was a plurality of, joint strength was high, connects reliably, can articulate the battery package better.

Preferably, the battery pack is provided with a protruding part which extends upwards from the side surface of the vehicle body and protrudes out of the bottom of the vehicle body, and the bracket body is provided with an avoidance hole or an avoidance cavity matched with the protruding part.

Above-mentioned structure sets up, and the bellying is used for increasing the capacity of battery package, effectively utilizes the space in the direction of height through upwards extending to increase the inner space of battery package, and the support body corresponds the bellying setting and dodges the hole or dodges the chamber in order to avoid the interference that probably takes place between support body and the battery package.

Preferably, the vehicle body comprises two side-by-side and spaced vehicle beams, and the protruding part is formed on the outer sides of the two vehicle beams and/or between the two vehicle beams.

The structure is arranged, so that the height space of the side face of the vehicle beam can be fully utilized, the battery capacity is increased, the structure is also suitable for a battery replacing vehicle with a lower chassis, and the application range of the battery pack is enlarged.

Preferably, a battery end electric connector is arranged at the top of the battery pack, a vehicle end electric connector is arranged at the corresponding position of the bracket body, and the battery end electric connector is in plug connection with the vehicle end electric connector in the vertical direction.

Above-mentioned structure sets up, through pegging graft battery end electric connector and car end electric connector along vertical, has also realized the electric connection when the battery package is along vertical articulated, also need not complicated mechanical structure moreover, and the electric connection is more reliable, has also promoted the conversion efficiency.

Preferably, the battery-powered vehicle is an electric truck.

Among the above-mentioned technical scheme, the battery package of electric truck is bulky, heavy, more loaded down with trivial details and complicacy when being connected with electric truck's automobile body longeron for the required power conversion space in the power conversion in-process is bigger, and electric truck makes self moment of torsion bigger when distorting because of loading goods, is bigger to the influence of battery package promptly. Therefore, the battery pack is vertically hung so as to reduce the power conversion step, the power conversion efficiency is improved by simplifying the power conversion mode, and the connection stability of the battery pack is effectively improved through the battery hanging frame.

The invention has the positive progress effects that: according to the invention, the battery pack is vertically locked or unlocked in a bolt locking mode, the battery pack is hung to the bottom of the quick-change bracket, the locking piece is matched with the locking piece and is vertically hung to the quick-change bracket, the vertical hanging connection mode enables the battery pack to be lifted to a preset height below the quick-change bracket only in the vertical direction, the battery pack installation positioning mode is simplified, the battery pack electricity changing efficiency is improved, meanwhile, the battery pack is hung through the locking pieces arranged at intervals in the length direction and/or the width direction, the battery pack is positioned in the X direction (the length direction) and/or the Y direction (the width direction) of the vehicle body, after the battery pack is lifted in place by the electricity changing equipment, the locking piece and the locking piece on the side of the vehicle body are hung, the battery pack is fixed, that is to say, the battery pack is also synchronously limited in the X direction and/or the Y direction after the battery pack is hung, the battery pack is stably hung, the battery pack is simplified on the basis of simplifying the battery pack installation in the hanging connection mode, the limit of the X direction and/or the Y direction is realized, the battery pack is additionally arranged in the fixed connection mode, the battery pack installation cost is saved, and the battery pack installation cost is reduced.

Drawings

Fig. 1 is a schematic structural diagram of a battery-powered vehicle according to embodiment 1 of the present invention.

Fig. 2 is a schematic view of a quick-change bracket and a battery pack according to embodiment 1 of the present invention.

Fig. 3 is a schematic diagram illustrating a positional relationship of a locking mechanism of a quick-change bracket according to embodiment 1 of the present invention.

Fig. 4 is a schematic diagram showing the positional relationship of the locking member of the battery pack of embodiment 1 of the present invention.

FIG. 5 is an exploded view of the battery pack and quick-change stand according to embodiment 1 of the present invention

Fig. 6 is an exploded view of the structure of the adapter bracket and the bracket body according to embodiment 2 of the present invention.

Fig. 7 is a schematic view of a receiving area of a transfer rack according to embodiment 2 of the present invention.

Fig. 8 is a schematic diagram of the positional relationship between the battery side electrical connector and the vehicle side electrical connector according to embodiment 1 of the present invention.

Fig. 9 is a schematic diagram illustrating a connection state between a quick-change bracket and a battery pack according to embodiment 3 of the present invention.

FIG. 10 is an exploded view of a screw lock structure according to an embodiment of the present invention.

Fig. 11 is a schematic structural view of the ring gear, and the connecting portion of the screw lock structure according to an embodiment of the present invention.

Fig. 12 is a schematic view showing a structure of a screw lock structure according to an embodiment of the present invention in a state where an inner ring gear and an outer ring gear are engaged.

Fig. 13 is a schematic view showing a structure of a screw lock structure according to an embodiment of the present invention in a state where an inner ring gear and an outer ring gear are engaged.

Reference numerals illustrate:

vehicle 100 for replacing electric vehicle

Vehicle body 10

Quick change stand 20

Body rail 30

Locking mechanism 40

Lock seat 41

Bolt 51

Screw portion 511

Connection portion 712

First connecting section 7121

Second connecting section 7122

Projection 7123

Elastic member 52

Lock case 53

First rotation preventing member 91

Annular gear 911

Inner straight tooth 9111

Inner flange 9112

Second anti-rotation member 92

Outer gear ring 921

Outer straight tooth 9211

Outer flange 9212

Tightening sleeve 922

Vertical groove 9221

Recess 9222

Locking member 50

Battery pack 60

Buffer mechanism 80

Transfer frame 1

Bracket body 2

Accommodation area 3

Battery box 4

Flange 5

Guide surface 6

Avoidance hole 11

Battery terminal electrical connector 12

Vehicle end electrical connector 13

Longitudinal direction X of longitudinal beam of vehicle body

Width direction Y of vehicle body longitudinal beam

Detailed Description

The invention is further illustrated by means of the following examples, which are not intended to limit the scope of the invention.

Example 1

The present embodiment provides a battery-powered vehicle 100, as shown in fig. 1, the battery-powered vehicle 100 includes: the vehicle body 10, the quick-change bracket 20 and the battery pack 60, wherein the quick-change bracket 20 is connected to the vehicle body 10, further, the vehicle body 10 of the battery-change vehicle 100 is provided with a vehicle beam, for example, the vehicle beam is two vehicle body longitudinal beams 30 which are arranged in parallel along the front-rear direction in the embodiment, and is used for connecting main components of the battery-change vehicle 100, such as hanging and wheels, and the like, the quick-change bracket 20 is also arranged below the two vehicle body longitudinal beams 30, and in addition, the battery pack 60 is hung on the lower surface of the quick-change bracket 20 along the vertical direction so that the battery pack 60 can be quickly replaced from the lower side of the battery-change vehicle 100, so that the battery pack 60 can be replaced more quickly and conveniently. In this embodiment, the quick-change bracket 20 is a frame structure formed by welding profiles, and each locking mechanism 40 is disposed at a lower surface position of the quick-change bracket 20 and is used for performing locking connection with the locking member 50 of the battery pack 60 in a vertical direction in a bolt locking manner, so that the battery pack 60 is located at the bottom of the quick-change bracket 20 and is connected or disconnected relative to the quick-change bracket 20, and the purpose of changing the battery is achieved. For the material of the quick-change bracket 20, other materials, such as a plate and a square tube, can be selected according to practical requirements, and the material is not limited to the profile.

Further, by arranging the battery pack 60 at the bottom of the quick-change bracket 20 and hanging the battery pack 60, the battery pack 60 is lifted to a predetermined height by a battery changing device (not shown) when the battery pack 60 is changed by the battery changing vehicle 100, so that the battery changing step of the battery changing vehicle 100 is greatly simplified, the battery changing efficiency is improved, and the connection stability of the battery pack 60 and the quick-change bracket 20 is ensured.

In addition, the plurality of locking mechanisms 40 are arranged along two sides of the width direction and/or the length direction of the vehicle body longitudinal beam 30, and are arranged at intervals, the locking pieces 50 are vertically arranged on the side face of the battery pack 60 and are used for being matched with the locking mechanisms 40, when the locking mechanisms 40 are arranged along the width direction of the vehicle body longitudinal beam 30, namely, the locking mechanisms 40 are arranged in the Y direction, vertical hanging connection can be achieved between the locking mechanisms 40 and the locking pieces 50 of the battery pack 60, in the Y direction, the locking pieces 50 on two sides of the battery pack 60 are limited by the locking mechanisms 40, that is, the battery pack 60 is limited by the quick-change bracket 20 in the Y direction, that is, Y-direction limiting of the battery pack 60 after hanging is achieved synchronously, and stability of the battery pack 60 after hanging is improved.

It can be appreciated that when the locking mechanism 40 is disposed along the length direction of the body longitudinal beam 30, that is, the X-direction is set up to the locking mechanism 40, the battery pack 60 can be limited by the quick-change bracket 20 in the X-direction, and the battery pack 60 is positioned along the X-direction and/or the Y-direction while the battery pack 60 is hung by the locking mechanism 40 disposed along the length direction and/or the width direction of the body longitudinal beam 30, so that the battery pack 60 is lifted up by the battery changer to be in place, the locking mechanism 40 located at the side of the body longitudinal beam 30 is hung to be fixed with the locking member 50, and meanwhile, the limiting of the battery pack 60 in the X-direction and/or the Y-direction is synchronously implemented after the battery pack 60 is hung.

One of the lock 50 or the lock mechanism 40 is provided on the battery pack 60, and the other of the lock 50 or the lock mechanism 40 is provided on the electric vehicle 100. In the present embodiment, the case where all the locking members 50 are provided on the battery pack 60 and all the locking mechanisms 40 are provided on the quick-change bracket 20 is described as an example.

In other alternative embodiments, all of the locking members 50 may be provided on the quick-change bracket 20 and all of the locking mechanisms 40 may be provided on the battery pack 60. Alternatively, a part of the locking member 50 may be provided on the battery pack 60, a part of the locking mechanism 40 corresponding thereto may be provided on the quick-change bracket 20, another part of the locking member 50 may be provided on the quick-change bracket 20, and another part of the locking mechanism 40 corresponding thereto may be provided on the battery pack 60.

It should be noted that: the structures of the locking member 50 and the locking mechanism 40 shown in fig. 2 to 9 of the present embodiment may be identical to the structures of the locking member 50 and the locking mechanism 40 shown in fig. 10 to 13, or may not be identical to the structures of the locking member 50 and the locking mechanism 40 shown in fig. 10 to 13, and fig. 10 to 13 are only for illustrating the specific structures of the locking member 50 and the locking mechanism 40, so as to facilitate the explanation of the locking or unlocking in the bolt locking manner of the present embodiment.

In this embodiment, the locking member 50 may be disposed at a middle position of the battery pack 60, that is, the locking member 50 may be disposed at a middle position of the top surface of the battery pack 60, so as to ensure the connection stability of the battery pack 60 and the electric vehicle 100.

In other alternative embodiments, the locking member 50 may also penetrate through the battery pack 60 from bottom to top, so as to enable the lower end of the locking member 50 to be matched with the battery exchange device, and the upper end of the locking member 50 to be matched with the locking mechanism 40, so as to enable the locking and unlocking of the battery pack 60.

In other alternative embodiments, when the locking mechanism 40 is disposed on the battery pack 60, the locking mechanism 40 may be disposed on both sides of the battery pack 60 or may be disposed in a middle position of the top surface of the battery pack 60. Similarly, the locking mechanism 40 penetrates through the battery pack 60 from bottom to top, so that the lower end of the locking mechanism 40 is matched with the battery replacement device, the upper end of the locking mechanism 40 is matched with the locking piece 50, and locking and unlocking of the battery pack 60 are further achieved.

Further, the locking member 50 is floatingly coupled to the battery pack 60, and the locking mechanism 40 is floatingly coupled to the quick-change bracket 20. The floating connection reduces the transmission of torque or vibration to the quick-change bracket 20 when the electric vehicle 100 is subjected to steering torque or jolt, thereby reducing the impact of torque or vibration on the quick-change bracket 20.

In other alternative embodiments, the locking mechanism 40 may be floatingly coupled to the battery pack 60 and the locking member 50 may be floatingly coupled to the battery pack 60.

In other alternative embodiments, the locking member 50 or the locking mechanism 40 may be directly connected to the body rail 30 of the electric vehicle 100 in a floating manner, so as to reduce the torque or vibration of the electric vehicle 100 when the electric vehicle is subjected to steering torsion or jolt from being transmitted to the body rail 30, and further reduce the influence of the torque or vibration on the body rail 30.

Further, the locking member 50 or the locking mechanism 40 further comprises a fixing base, the contact area between the locking member 50 or the locking mechanism 40 and the quick-change bracket 20 is increased through the fixing base, and the locking member 50 or the locking mechanism 40 is switched to the quick-change bracket 20 through the fixing base, so that the stability of the battery pack 60 during connection is improved.

In this embodiment, the structure of the bolt locking mode further includes an anti-rotation and anti-back structure connected to the locking member 50 to prevent relative rotation between the locking member 50 and the locking mechanism 40, so as to ensure the stability of the connection between the battery pack 60 and the electric vehicle 100.

In other alternative embodiments, an anti-rotation stop feature may also be coupled to the locking mechanism 40 to effect a stop of relative rotational movement between the locking member 50 and the locking mechanism 40.

As shown in fig. 10 to 13, in this embodiment, the structure of the bolt locking mode includes a locking member 50 provided on a battery pack 60, the locking member 50 is configured to cooperate with a locking mechanism 40 provided on a bracket body 2, the locking member 50 specifically includes a bolt 51, the locking mechanism 40 includes a lock seat 41 and a nut, the nut is provided inside the lock seat 41 and fixedly connected with the lock seat 41, and the bolt 51 and the nut are detachably connected to each other to realize independent locking of the battery pack 60 to the quick-change bracket 20 of the battery-powered vehicle. The embodiment realizes the bolt locking between the battery pack 60 and the electric vehicle 100 through the cooperation between the bolt 51 and the nut, and the locking mode is simple and convenient, thereby being beneficial to improving the locking efficiency.

As shown in fig. 10, the bolt 51 includes a threaded portion 511 and a connecting portion 712, the threaded portion 511 is in threaded connection with the nut, so as to ensure connection firmness, the connecting portion 712 is connected with an anti-rotation and anti-back structure, so that the bolt 51 is prevented from rotating relative to the nut, connection firmness of the bolt 51 is ensured, and the bolt 51 is prevented from accidentally slipping off the nut.

As shown in fig. 10 to 12, the anti-rotation and anti-return structure includes a first anti-rotation member 91 and a second anti-rotation member 92, the first anti-rotation member 91 is sleeved on the outer peripheral side of the second anti-rotation member 92, the first anti-rotation member 91 is connected to the battery pack 60, the second anti-rotation member 92 is connected to the connection portion 712 of the bolt 51, and the second anti-rotation member 92 is used for switching between a first position and a second position under the action of an external force. When the second rotation preventing member 92 is located at the first position, the outer peripheral wall of the second rotation preventing member 92 is connected with the inner Zhou Bika of the first rotation preventing member 91. When the second rotation preventing member 92 is located at the second position, the second rotation preventing member 92 is disengaged from the first rotation preventing member 91 in the axial direction of the bolt 51.

The first anti-rotation member 91 plays a role in connection and positioning, the second anti-rotation member 92 is applied with a force along the axial direction of the bolt 51 through the battery changing device, so that the second anti-rotation member 92 can be moved from the first position to the second position, the second anti-rotation member 92 located at the second position can freely rotate and drive the bolt 51 connected with the second anti-rotation member 92 to rotate, the bolt 51 and the nut are locked or unlocked, after the locking or unlocking operation is completed, the second anti-rotation member 92 is driven from the second position to the first position, at the moment, the second anti-rotation member 92 is clamped with the first anti-rotation member 91, the position of the second anti-rotation member 92 is fixed, and the bolt 51 cannot rotate any more.

In other alternative embodiments, when the locking member 50 is mounted on the electric powered vehicle 100, the first anti-rotation member 91 is also secured to the electric powered vehicle 100.

As shown in fig. 11, the first anti-rotation member 91 in the present embodiment includes an inner ring gear 911, and the second anti-rotation member 92 includes an outer ring gear 921, with the inner ring gear 911 being fitted around the outer periphery of the outer ring gear 921. When the second rotation preventing member 92 is located at the first position, the gear teeth of the ring gear 911 are engaged with the gear teeth of the outer ring gear 921, the engagement between the first rotation preventing member 91 and the second rotation preventing member 92 is achieved by the engagement between the ring gear 911 and the outer ring gear 921, and the rotation of the first rotation preventing member 91 is restricted by restricting the rotation of the second rotation preventing member 92, thereby restricting the rotation of the bolt 51.

As shown in fig. 11, the inner gear ring 911 and the outer gear ring 921 are both ring-shaped structures, the inner gear ring 911 has inner straight teeth 9111 distributed along the inner circumference, the outer gear ring 921 has outer straight teeth 9211 distributed along the outer circumference, and the shape of the outer straight teeth 9211 is adapted to the shape of the inner straight teeth 9111, so that the outer straight teeth 9211 are clamped with the inner straight teeth 9111.

In other alternative embodiments, the teeth of the ring gear 911 and the outer ring gear 921 may have other shapes such as helical teeth in addition to the straight tooth structure, and it is sufficient that the ring gear 911 restricts the circumferential rotation of the outer ring gear 921.

In other alternative embodiments, external threads may be further provided on the outer circumferential surface of the ring gear 911 to enable connection of the ring gear 911 with other components.

As shown in fig. 11 to 13, the first rotation preventing member 91 further includes an inner flange 9112, the inner flange 9112 extending radially inward of the ring gear 911 from an inner peripheral wall of the ring gear 911. When the second rotation preventing member 92 is located at the first position, an end of the second rotation preventing member 92 remote from the bolt 51 abuts against the inner flange 9112. The inner flange 9112 is provided to limit movement of the second rotation preventing member 92 within the first rotation preventing member 91, and prevent the second rotation preventing member 92 from slipping off the end of the first rotation preventing member 91 away from the nut.

Specifically, as shown in fig. 11 to 13, the inner flange 9112 in this embodiment is located at the axial middle of the inner peripheral wall of the ring gear 911, the outer flange 9212 is formed on the outer peripheral wall of the outer ring gear 921, the outer straight teeth 9211 are located at the outer periphery of the outer flange 9212, and when the second rotation preventing member 92 is located at the first position, the outer flange 9212 of the outer ring gear 921 abuts against the inner flange 9112 of the ring gear 911, so that the first rotation preventing member 91 positions the second rotation preventing member 92.

As shown in fig. 10 to 13, the second rotation preventing member 92 further includes a tightening sleeve 922, and the outer gear ring 921 is coupled to the tightening sleeve 922, and the second rotation preventing member 92 is coupled to the bolt 51 through the tightening sleeve 922. Specifically, be equipped with the second arch and the perpendicular groove 9221 of mutually supporting on the outer perisporium of outer ring gear 921 and the outer perisporium of tightening cover 922 respectively to realize the joint of outer ring gear 921 and tightening cover 922, further can also realize tightening cover 922 and rotate in the circumference, guarantee the stability of connection. The connection portion 712 of the bolt 51 includes a first connection section 7121 and a second connection section 7122, the second connection section 7122 being located at a side of the first connection section 7121 remote from the threaded portion 511, the second connection section 7122 extending in an axial direction of the bolt 51 and extending into the tightening sleeve 922 to be connected with the tightening sleeve 922. The outer peripheral wall of the second connecting section 7122 and the inner peripheral wall of the tightening sleeve 922 are respectively provided with a protrusion 7123 and a recess 9222 which are matched with each other, so that the locking of the bolt 51 and the tightening sleeve 922 is realized, the rotation of the bolt 51 in the circumferential direction can be further prevented, and the stability of connection is ensured.

The second projection in the present embodiment is provided on the inner peripheral wall of the outer ring gear 921, the vertical groove 9221 is provided on the outer peripheral wall of the tightening sleeve 922, the projection 7123 is provided on the outer peripheral wall of the second connecting section 7122, and the recess 9222 is provided on the inner peripheral wall of the tightening sleeve 922. In other alternative embodiments, it is also possible that the vertical groove 9221 is provided on the inner circumferential wall of the outer ring gear 921, the second protrusion is provided on the outer circumferential wall of the tightening sleeve 922, the recess 9222 is provided on the outer circumferential wall of the second connection section 7122, and the protrusion 7123 is provided on the inner circumferential wall of the tightening sleeve 922.

As shown in fig. 6, the locking member 50 further includes an elastic member 52 and a lock housing 53, and the first rotation preventing member 91, the second rotation preventing member 92 and the elastic member 52 are disposed in the lock housing 53, and the threaded portion 511 of the bolt 51 may extend out of the lock housing 53 to cooperate with the nut. Both ends of the elastic member 52 are respectively abutted against the lock case 53 and the second rotation preventing member 92, and the elastic member is used for applying a force to the second rotation preventing member 92 to reset the second rotation preventing member 92 from the second position to the first position. When the second rotation preventing member 92 moves along the axial direction of the bolt 51 in the direction approaching the nut, the elastic member 52 is pressed and generates compression displacement, and after the locking or unlocking of the bolt 51 and the nut is completed through the second rotation preventing member 92, the second rotation preventing member 92 is reset to the first position and is clamped with the first rotation preventing member 91 under the action of the restoring force of the elastic member, so that the rotation preventing function of the bolt 51 is realized.

The elastic member 52 in this embodiment is a spring, and in other alternative embodiments, the elastic member 52 may be another elastic member capable of achieving the above-described function.

The following is a brief description of the locking and unlocking process of the battery pack 60 and the quick-change bracket 20 based on the specific mechanism of the locking device described above.

During the locking process, the battery changing device pushes the second anti-rotation member 92 to move from the first position to the second position to disengage from the first anti-rotation member 91, and the spring is in a compressed state. After the second rotation preventing member 92 is completely disengaged, the rotation of the bolt 51 is achieved by rotating the second rotation preventing member 92, thereby achieving the connection of the bolt 51 and the nut. After the bolt 51 and the nut are locked, the force applied to the second rotation preventing member 92 and separated from the first rotation preventing member 91 is removed, the second rotation preventing member 92 is reset to the first position from the second position under the force of the spring, the first rotation preventing member 91 can limit the circumferential rotation of the second rotation preventing member 92, and further limit the axial rotation of the bolt 51, so that the locking and anti-loose function is realized.

During unlocking, the battery changing device pushes the second anti-rotation member 92 to move from the first position to the second position to disengage from the first anti-rotation member 91, and the spring is in a compressed state. After the second rotation preventing member 92 is completely disengaged, the rotation of the bolt 51 is achieved by rotating the second rotation preventing member 92, thereby disengaging the bolt 51 from the nut.

In this embodiment, the bracket body 2 is provided with a plurality of locking mechanisms 40, and along the length direction of the bracket body 2, the locking mechanisms 40 are at least located at two sides of the bracket body 2 respectively and are arranged at intervals. The locking mechanism 40 is provided at multiple points on both sides of the bracket body 2, so that the connection reliability and stability of the battery pack 60 with respect to the bracket body 2 and the vehicle body longitudinal beam 30 can be improved.

Of course, in other embodiments, the locking mechanism 40 may be disposed on two sides of the bracket body 2 along the width direction of the bracket body 2, and each side of the locking mechanism 40 is disposed at intervals.

In addition, the bracket body 2 realizes the positioning of the battery pack 60 along the X direction and/or the Y direction while the battery pack 60 is hung through the locking mechanism 40 arranged at intervals along the length direction and/or the width direction of the vehicle body longitudinal beam 30, the locking piece 50 vertically arranged on the side surface of the battery pack 60 can reduce the occupation of the transverse space of the battery pack 60 when locking or unlocking, and the size of the battery pack 60 can be correspondingly increased and the cruising ability of the battery-powered vehicle 100 can be increased.

In other embodiments, a plurality of latches 50 may also be provided in the middle region of each battery pack 60.

Specifically, compared with the plurality of locking members 50 disposed in the edge region of the battery pack 60, the locking members are further disposed in the middle region of the battery pack 60, so that the number of connection points between the battery pack 60 and the quick-change bracket 20 and the number of connection points between the battery pack 60 and the body longitudinal beam 30 of the electric vehicle 100 can be increased, the center of gravity of the battery pack 60 can be more stable after the battery pack is connected to the quick-change bracket 20, and the stability of the connection between the battery pack 60 and the electric vehicle 100 can be further ensured.

As shown in fig. 4, 5 and 10, in this embodiment, the battery pack 60 is in a rectangular structure, the side portion of the battery pack 60 is in a vertically arranged plate structure, the plurality of locking pieces 50 are arranged on the outer side of the plate structure along the vertical direction and extend towards the quick-change bracket 20, one end of each locking piece 50 is fixedly connected to the side surface of the battery pack 60 through bolts or pins, when the battery pack 60 needs to be mounted on the battery-changing vehicle 100 in a battery-changing operation, the battery pack 60 is lifted up by the battery-changing device along the vertical direction, the locking pieces 50 on the battery pack 60 slide into the locking mechanism 40 along the vertical direction, the locking mechanism 40 locks the locking pieces 50 in nuts of the locking mechanism 40, when the battery pack 60 needs to be removed from the battery-changing vehicle 100, the toothed parts are detached, the locking pieces 50 are unlocked from the locking mechanism 40, and the locking pieces 50 can descend along with the battery-changing device along the vertical direction and are separated from the locking mechanism 40, so that smooth battery changing is realized.

In addition, the locking position is arranged at the side of the battery pack 60, so that the operable space is larger in the power changing process, and reliable locking and unlocking of the battery pack 60 are also conveniently realized. The locking members 50 may be disposed on both sides of the battery pack 60 in the longitudinal direction, on both sides of the battery pack 60 in the width direction, or both sides of the battery pack 60, and the positions of the locking members may be flexibly set, and may be adjusted according to the actual locking or arrangement manner. In this embodiment, as shown in fig. 2-3 and fig. 4-5, the locking members 50 are disposed at both sides of the battery pack 60 in the length direction and the width direction, i.e., the four sides of the battery pack 60 are provided with the locking members 50.

Further, the quick-change bracket 20 comprises a bracket body 2 connected with the vehicle body longitudinal beam 30, a containing groove is formed in a part of the bracket body 2 in a sunken mode and used for allowing the vehicle body longitudinal beam 30 to pass through, the containing groove is attached to the vehicle body longitudinal beam 30, the side part of the vehicle body longitudinal beam 30 is fixedly connected with the inner side wall of the containing groove of the bracket body 2, further shaking of the bracket body 2 along the width direction of the vehicle body longitudinal beam 30 is reduced through the vehicle body longitudinal beam 30, and stability of the bracket body 2 is improved.

In this embodiment, as shown in fig. 3 and 4, when the locking mechanism 40 is connected to the bracket body 2 through the adapter bracket 1, the adapter bracket 1 extends downward from the bracket body 2 and the locking mechanism 40 is disposed at the lower end of the adapter bracket 1, so as to be matched with the locking piece 50 on the side surface of the battery pack 60, so as to realize that the battery pack 60 is vertically hung on the quick-change bracket 20, in addition, the adapter bracket 1 forms a surrounding frame along the side surface of the battery pack 60, the surrounding frame is of a rectangular structure composed of sectional materials, and has a certain height, and is used for limiting the position of the battery pack 60 in the surrounding frame, so that the limit on the hanging process and the hanging process of the battery pack 60 can be realized, and the end part of the adapter bracket 1 can be conveniently extended to the side surface of the battery pack 60 and matched with the locking piece 50, and a part of the battery pack 60 is located in the surrounding frame after the hanging, that is located in the surrounding frame formed by the adapter bracket 1, that the side surface of the battery pack 60 is limited by the surrounding frame so as to realize the limit on the side surface of the battery pack 60, so as to further improve the stability of the battery pack 60 after the hanging. In other alternative embodiments, the vehicle end locking mechanism 40 may be directly connected to the bracket body 2, in which case the locking mechanism 40 is disposed downward in a vertical direction and cooperates with the locking member 50 on the battery pack 60 to ensure that the battery pack 60 is vertically hung on the quick-change bracket 20 and further vertically connected to the vehicle body 10. In addition, when the locking mechanism 40 is directly connected to the bracket body 2, the quick-change bracket 20 has simpler structure, easy processing and lower cost.

In this embodiment, the adapter bracket 1 and the bracket body 2 are integrally formed, the structural strength between the adapter bracket 1 and the bracket body 2 of the integrally formed adapter bracket is ensured, and then the battery pack 60 with larger weight can be loaded and hung, in addition, under the integrally formed adapter bracket, the assembly between the locking mechanism 40 and the quick-change bracket 20 is more convenient, the locking mechanism 40 can be connected onto the quick-change bracket 20 only by connecting the locking mechanism 40 onto the adapter bracket 1, and the battery pack 60 can be hung and connected with the quick-change bracket 20 by matching the locking piece 50 of the battery pack 60 with the locking mechanism 40.

It can be understood that the adaptor frame 1 limits the position of the battery pack 60 behind the quick-change bracket 20 by forming a surrounding frame, the middle part of the surrounding frame is surrounded by a containing area 3 for surrounding the battery pack 60, when the depth of the containing area 3 is greater than or equal to the thickness of the battery pack 60, the adaptor frame 1 completely surrounds the battery pack 60 in the containing area 3, that is, the battery pack 60 is limited by the adaptor frame 1 along the X direction and the Y direction of the vehicle body longitudinal beam 30, and further, the battery pack 60 is limited to prevent movement after being hung on the quick-change bracket 20; when the depth of the accommodating area 3 is smaller than the thickness of the battery pack 60, a part of the battery pack 60 is surrounded by the accommodating area 3, that is, the part of the battery pack 60 corresponding to the accommodating area 3 is limited by the adapter frame 1 along the X direction and the Y direction of the longitudinal beam 30, the battery pack 60 can be limited, and the connection stability of the battery pack 60 after being hung on the quick-change bracket 20 can be improved.

As shown in fig. 3 and 4, in this embodiment, the locking member 50 is disposed on the side surface of the battery pack 60 along the vertical direction, and the top end of the locking member 50 is a certain preset distance from the top surface of the battery pack 60, where the sum of the preset distance and the height of the locking member 50 is the required hanging distance of the battery pack 60 on the quick-change bracket 20, and the distance of the locking mechanism 40 on the corresponding adapter bracket 1 away from the bracket body 2 on the adapter bracket 1 is matched with the hanging distance, so that the portion of the battery pack 60 in the accommodating area 3 is just matched with the accommodating area 3, so that space waste in the vertical direction can be reduced.

In addition, as shown in fig. 4 and 5, in the present embodiment, a buffer mechanism 80 is disposed on the side surface of the battery pack 60 corresponding to the bottom end of the adapter frame 1, the buffer mechanism 80 is disposed below the locking member 50, and the buffer mechanism 80 includes a buffer member that is elastically deformable in the vertical direction. The buffer mechanism 80 may be a rubber buffer member, or may be other materials, such as sponge, which is not described in detail herein. The buffer mechanism 80 is arranged to slow down the impact of the adapter bracket 1 between the adapter bracket and the battery pack 60 and between the vehicle end locking mechanism 40 and the locking piece 50 when the battery pack 60 is hung, in addition, the buffer mechanism 80 can slow down the shaking of the battery pack 60 in the running process of the battery-powered vehicle 100 after the battery pack 60 is hung, so that the reliability and the stability of locking are facilitated. The buffer mechanism 80 is arranged corresponding to the bottom end of the transfer frame 1, and does not occupy extra transverse space. In this embodiment, the buffer mechanism 80 is continuously disposed around a periphery of the side surface of the battery pack 60, in order not to affect locking or unlocking of the locking mechanism 40, an interference preventing hole for avoiding interference unlocking is reserved on the buffer mechanism 80, and when a power-changing operation is performed, the locking mechanism 40 is unlocked through the interference preventing hole, and the locking member 50 is correspondingly disengaged from the locking mechanism 40. In other alternative embodiments, the buffer mechanism 80 may be intermittently disposed, where the intermittently disposed buffer mechanism 80 may be disposed avoiding the locking member 50, and where the intermittently disposed buffer mechanism 80 may be disposed correspondingly avoiding the locking mechanism 40 due to the locking mechanism 40 being disposed opposite the locking member 50 in the vertical direction.

Further, in this embodiment, the battery pack 60 has the battery box 4, the battery box 4 is used for holding the electric core and necessary electric parts placed in it, the locking piece 50 is fixed in the side of battery box 4, the battery box 4 still includes setting up in the side and the outside flange 5 that extends of horizontal direction, the bolster setting is in the upper surface of flange 5, flange 5 is used for the tip cooperation with switching frame 1, thereby extrusion bolster plays the cushioning effect, when the battery pack 60 articulates on quick change support 20, the one end that switching frame 1 kept away from support body 2 and the bolster butt of flange 5 upper surface, the top of locking piece 50 stretches out the bolster, locking mechanism 40 is located on switching frame 1 and is located switching frame 1 and flange 5 matched end, in addition, can guarantee through flange 5 that battery pack 60 and quick change support 20's link height, thereby avoid when articulating battery pack 60, the top direct striking of battery pack 60 and the support body 2 of quick change support 20, avoid battery pack 60 to receive battery pack 60 and the bump 2 when switching vehicle 100 is going, the life of improvement and safety in service life of battery pack 60.

As shown in fig. 5, in this embodiment, a guiding mechanism 70 is disposed between the adapter bracket 1 and the battery pack 60, the guiding mechanism 70 includes a guiding block and a guiding surface 6, one surface of the adapter bracket 1 facing the battery pack 60 forms the guiding surface 6 for guiding the battery pack 60 to be hung in the vertical direction, the guiding surface 6 may be an inclined surface or an arc surface, and the purpose is that when the adapter bracket 1 contacts with the top of the battery pack 60, the battery pack 60 smoothly enters the accommodating area 3 of the adapter bracket 1 through the guiding surface 6, so that the hanging precision and smoothness of the battery pack 60 during hanging are improved, and the hanging success rate is improved.

In addition, the side of the battery pack 60 is provided with a guide block for acting the same as the guide surface 6, the guide block is attached to the side of the battery pack 60 and is located above the buffer mechanism 80, and the guide block is obliquely arranged or arc-shaped near one end of the quick-change bracket 20, so that the transfer bracket 1 is guided to slide to the side of the battery pack 60 through the guide block when the transfer bracket 1 contacts with the battery pack 60, that is, the accommodating area 3 of the transfer bracket 1 surrounds the battery pack 60, so that the battery pack 60 is more smoothly hung, and in addition, the arrangement is also beneficial to reducing the transverse dimension of the quick-change bracket 20.

As shown in fig. 3 and 5, the battery pack 60 has a convex portion extending upward from the side of the vehicle body 10 to protrude from the bottom of the vehicle body 10, and further, the convex portion protrudes upward from the side of the two vehicle body stringers 30, and the convex portion serves to increase the capacity of the battery pack 60, and by extending upward to effectively use the space in the height direction, the internal space of the battery pack 60 is increased, so that more battery cells can be accommodated. In cooperation with the convex portion of the battery pack 60, the bracket body 2 may be provided with a relief hole 11 or a relief cavity in cooperation with the convex portion to relieve or accommodate the convex portion. In this embodiment, the avoidance holes 11 are formed in the bracket body 2 between the two vehicle body longitudinal beams 30, and the battery packs 60 on both sides of the vehicle body longitudinal beams 30 can be protected by upwardly arching the bracket body 2 on the bracket body 2 outside the two vehicle body longitudinal beams 30, thereby forming the avoidance cavity. In this embodiment, the bracket body 2 is provided with the avoidance hole 11 and the avoidance cavity corresponding to the protruding portion so as to avoid possible interference between the bracket body 2 and the battery pack 60.

The electric core of battery package 60 is located battery case 4, the battery capacity of battery package 60 is increased to the bellying, and then the range of trading electric vehicle 100 has been promoted, the range increase can reduce trading electric times of trading electric vehicle 100 to a certain extent, and the effectual utilization ratio that trades electric vehicle 100 that has improved, and compare in the holding tank that support body 2 formed and laminate with automobile body longeron 30 through the holding tank, the holding tank is used for dodging automobile body longeron 30, the corresponding bellying that will form for the capacity that improves battery package 60 when dodging automobile body longeron 30 of battery package 60, the bellying forms in the outside of two automobile body longerons 30 and between two automobile body longerons 30, in order to guarantee the capacity of battery package 60 and avoid battery package 60 and support body 2 butt, support body 2 outwards extends in the outside of two automobile body longerons 30 along the horizontal direction, under the general circumstances, the top height of support body 2 is not higher than the top of automobile body longeron 30, in order to avoid causing the interference to the operation of the automobile parts above automobile body longeron 30.

As shown in fig. 4 and 8, in this embodiment, the top of the battery pack 60 is provided with the battery end electrical connector 12, the interface of the battery end electrical connector 12 is disposed downward, the corresponding position of the bracket body 2 is provided with the vehicle end electrical connector 13, and the interface of the vehicle end electrical connector 13 is disposed upward, so as to realize that the battery end electrical connector 12 and the vehicle end electrical connector 13 are connected in a plugging manner in the vertical direction, and the battery pack 60 is connected in a vertical manner, and meanwhile, the battery pack 60 is connected in an electrical manner without a complex mechanical structure, so that the electrical connection is more reliable, and the electricity conversion efficiency is improved.

In addition, this structure can replace the phenomenon of loose connection and bad contact caused by shaking generated when the electric connector is arranged along the horizontal direction during the starting or sudden braking of the electric vehicle 100.

Further, the floating structure can be arranged on the battery end electric connector 12 and/or the vehicle end electric connector 13, so that smooth connection is ensured, the influence of shaking of a part of battery pack on electric connection can be counteracted, the condition that the interface of the battery end electric connector 12 of the battery pack 60 is disconnected with the interface of the vehicle end electric connector 13 due to jolt of the vehicle 100 during running is avoided, the power supply efficiency of the battery pack 60 and the use experience of the vehicle 100 are improved, the elastic piece can be a spring, the interface channel can be a rubber-wrapped adapter, which is in the prior art, and redundant description is omitted.

In this embodiment, the electric vehicle 100 is an electric truck, particularly a heavy truck or a light truck, and because the battery pack of the electric truck is large and heavy, the electric truck is more complicated and complex when connected with the body rail 30 of the electric truck, so that the required power exchanging space is larger in the power exchanging process, and the torque of the electric truck is larger when the electric truck twists itself due to loading of goods, that is, the influence on the battery pack 60 is larger. Therefore, the battery pack 60 is hung vertically to reduce the power exchanging steps, simplify the power exchanging mode to improve the power exchanging efficiency, and effectively improve the connection stability of the battery pack 60 through the quick-change bracket 20. Of course, the present invention can be applied to a vehicle type of a passenger car such as a car.

The locking mechanism 40 in the present embodiment is not limited to the locking mechanism 40 with the lock base 41 mentioned in the above embodiments, but may be any other locking mechanism capable of achieving vertical (straight up and down) hooking of the battery pack 60 to the battery exchange vehicle 100, such as a T-shaped rotating locking mechanism, a bead-expanding locking mechanism, a hook-type locking mechanism, or the like.

Example 2

As shown in fig. 6 and 7, the overall structure of the electric vehicle of the present embodiment is basically the same as that of embodiment 1, except that the adaptor bracket 1 of the present embodiment is detachably connected to the bracket body 2.

Specifically, the changeover frame 1 is a rectangular enclosure frame formed by splicing plates, adjacent plates are connected in the vertical direction through connecting pieces to form the rectangular enclosure frame, the enclosure frame is connected to the edge of the bracket body 2, the connecting pieces can be screws, threaded holes and mounting holes are formed in the corresponding plates, a mortise and tenon structure can be selected, the plates are connected and form the enclosure frame, the changeover frame is matched with the bracket body 2 to form a containing area 3, the battery pack 60 is limited along the X direction and the Y direction of the longitudinal beam 30 through the enclosure frame, the changeover frame 1 can be detachably connected, the processing precision can be conveniently improved when the plates are correspondingly and independently processed, the precision of the independent plates is improved, the precision of the enclosure frame is improved, that is to say, the precision of the changeover frame 1 is correspondingly improved, and the changeover frame can be more smoothly connected with the battery pack 60 in a hanging mode. The end part, close to the battery pack 60, on the plate is provided with the locking mechanism 40, so that the battery pack 60 and the quick-change bracket 20 are smoothly hung, the connection stability after the hanging is guaranteed, the battery pack 60 is limited through the switching frame 1, the battery pack 60 is limited by additionally arranging a limiting piece, the cost of the battery-powered vehicle 100 is reduced, and the battery-powered vehicle has certain economical efficiency.

Example 3

As shown in fig. 9, the overall structure of the battery-powered vehicle 100 of the present embodiment is basically the same as that of embodiment 1, except that the locking member 50 of the present embodiment is disposed corresponding to the top surface of the battery pack 60 with respect to the adapter bracket 1 such that the locking position is located on the top surface of the battery pack 60.

In this embodiment, when the locking member 50 is disposed on the top surface of the battery pack 60, the locking member 50 may be disposed in a groove formed on the top surface of the battery pack 60 and engaged with a nut extending into the groove of the locking mechanism 40, so that the battery pack 60 is connected to the adapter frame 1 in a bolt locking manner, for example, the locking member 50 is vertically disposed at a position where the top edge of the battery pack 60 extends inward by a predetermined distance, and the locking position of the locking mechanism 40 and the locking member 50 is located on the top surface of the battery pack 60, so that the width of the battery pack 60 is not increased due to the locking member 50, the lateral space of the battery pack 60 is released, and the size of the quick-change bracket 20 is also reduced, that is, the manufacturing cost of the vehicle 100 is reduced, and the size control of the quick-change bracket 20 and the battery pack 60 is facilitated. In addition, the distance between the locking members 50 is smaller due to the above structure, so that the positioning accuracy of the quick-change bracket 20 is improved when the quick-change bracket 20 is processed, the connection accuracy of the battery pack 60 is easier to ensure, the smooth connection of the battery pack 60 is more facilitated, and the power conversion efficiency is improved. In other alternative embodiments, the locking member 50 may be positioned above the top surface of the battery pack 60 and engaged with the locking mechanism 40.

The plurality of locking mechanisms 40 are connected to both sides of the quick-change bracket 20 in the X direction, and the locking mechanisms 40 can be provided in the longitudinal direction of the vehicle body side member 30, so that the locking is more reliable.

In this embodiment, the width of the bracket body 2 is smaller than the width of the battery pack 60, and the bracket body 2 limits the width direction (i.e., the Y direction) of the battery pack 60 through the switching frame 1 and the locking mechanism 40 connected to the switching frame 1, so that the size of the switching frame 1 is reduced, and under the condition of ensuring the stability of the connection of the battery pack 60, the material is saved, and the hooking is smoother.

In addition, in this embodiment, the adapter bracket 1 is detachably connected to the bracket body 2, so that the processing steps and processing cost of the bracket body 2 can be simplified, the processing difficulty of the bracket body 2 is reduced, and the locking piece 50 is connected to the bracket body 2 through the adapter bracket 1, so as to increase the contact area between the locking piece 50 and the bracket body 2, improve the reliability and safety of the connection between the locking piece 50 and the bracket body 2, and the corresponding lock seat 41 is arranged in the groove of the battery pack 60, and the battery pack 60 is connected to the adapter bracket 1 in a bolt locking manner by matching the locking piece 50 and the lock seat 41, so that the installation time of the battery pack 60 is saved, and the operation cost of installing or dismantling the battery pack 60 is reduced.

Example 4

The overall structure of the electric vehicle of the present embodiment is basically the same as that of embodiment 1, except for the difference.

Specifically, the quick-change bracket 20 is formed with a plurality of accommodating areas 3 with downward openings, each accommodating area 3 is internally provided with a plurality of locking mechanisms 40, the accommodating areas 3 are used for vertically accommodating the battery packs 60, and the locking and unlocking of the battery packs 60 in the accommodating areas 3 relative to the quick-change bracket 20 are realized by the locking manner of bolts.

The plurality of lock mechanisms 40 are provided in the edge region of the accommodation region 3 in the vehicle body longitudinal direction and/or the width direction of the electric vehicle 100.

The locking mechanism 40 is disposed in an edge area of the accommodating area 3 along a vehicle body length direction, when the locking mechanism 40 is connected with the battery pack 60 in a hanging mode, the accommodating area 3 accommodates the battery pack 60 and limits the battery pack 60 in the direction through the locking mechanism 40 disposed along the vehicle body length direction, and similarly, the locking mechanism 40 is disposed in the edge area of the accommodating area 3 along the vehicle body width direction so as to limit the position of the battery pack 60 in the direction when the battery pack 60 is connected with the battery pack, and the connection stability of the battery pack is improved while a limiting piece is omitted.

Further, the quick-change bracket 20 in this embodiment is formed by fixedly connecting a plurality of cross beams and a plurality of longitudinal beams on the same plane, the cross beams and the longitudinal beams enclose a rectangular frame, the rectangular frame is supported by the staggered arrangement of the shorter cross beams and the longitudinal beams in the rectangular frame, and the stability of the quick-change bracket 20 is improved. The locking mechanisms 40 are fixedly arranged on any side surface of the cross beam or the longitudinal beam, and can be the inner side of a rectangular frame, the side part of the shorter cross beam or the longitudinal beam, or the side part of the joint of the shorter cross beam and the longitudinal beam. By providing the locking mechanism 40 along the side of the cross beam or the longitudinal beam, the end of the locking mechanism 40 that is used to cooperate with the locking member 50 is arranged vertically, so that the locking direction of the bolt locking mode is consistent with the height direction of the electric vehicle 100, and more consistent with the electric switching logic.

Of course, a plurality of locking mechanisms 40 may also be provided in the middle region of the receiving area 3. That is, the locking mechanism 40 is located at the side portion of the junction between the shorter cross beam and the longitudinal beam in the rectangular frame, when the locking mechanism 40 located in the middle area is plural, the plural locking mechanisms 40 are distributed and arranged along the length direction or the width direction of the vehicle body, and the locking mechanism 40 or the locking member 50 is arranged at the edge of the battery pack 60 in the same way, and the locking mechanism 40 is arranged in the middle area of the accommodating area 3 along the length direction or the width direction of the vehicle body, so that the middle area of the battery pack 60 can be limited along the length direction or the width direction of the vehicle body after being connected with the quick-change bracket 20, thereby improving the positioning precision of the battery pack 60 and the stability of the battery pack 60 after being connected.

While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the principles and spirit of the invention, but such changes and modifications fall within the scope of the invention.

Claims

1. A battery-powered vehicle, comprising:

The vehicle body is provided with a plurality of wheels,

a quick-change bracket connected with the vehicle body,

2. The battery powered vehicle of claim 1, wherein the bolt-locking arrangement includes the locking member and the locking mechanism; the locking piece comprises a bolt, the locking mechanism comprises a nut, or the locking piece comprises a nut, and the locking mechanism comprises a bolt; the bolt and the nut are detachably connected to independently lock the battery pack on the quick-change bracket.

3. The battery exchange vehicle of claim 2, wherein the bolt is disposed on the battery pack and the nut is disposed on the quick-change bracket; or the nut is arranged on the battery pack, and the bolt is arranged on the quick-change bracket.

4. A battery exchange vehicle according to claim 3 wherein the bolt or nut is provided at a central location of the battery pack and the bolt or nut extends through the battery pack.

5. A battery exchange vehicle according to claim 3, wherein the bolt or nut is floatingly connected to the battery pack; alternatively, the bolt or the nut is connected to the quick-change bracket in a floating manner.

6. The battery powered vehicle of claim 2, wherein the locking member or the locking mechanism further comprises a fixed base to which the nut is floatingly connected.

7. The battery exchange vehicle of claim 2, wherein the bolt includes a threaded portion and a connecting portion, the threaded portion being threaded and adapted to threadably connect with the nut.

8. The battery powered vehicle of claim 7, wherein the locking mechanism or the locking member further comprises a lock housing, and the bolt is disposed in the lock housing and is vertically liftable or rotatable with respect to the lock housing.

9. The battery powered vehicle of claim 7, wherein the bolt-lock arrangement further comprises an anti-rotation stop arrangement coupled to the bolt and/or nut to prevent relative rotational movement between the bolt and the nut.

10. The battery powered vehicle of claim 9, wherein the anti-rotation stop structure comprises a first anti-rotation member and a second anti-rotation member;

11. The battery-powered vehicle of claim 10, wherein the first anti-rotation member is an inner ring gear, the second anti-rotation member is an outer ring gear, and the inner ring gear is sleeved on the outer peripheral side of the outer ring gear; when the second rotation preventing piece is positioned at the first position, gear teeth of the inner gear ring are clamped with gear teeth of the outer gear ring.

12. The battery changing vehicle according to claim 11, wherein the first rotation preventing member further includes an inner flange extending radially inward of the ring gear from an inner peripheral wall of the ring gear; when the second rotation preventing member is located at the first position, one end, away from the bolt, of the second rotation preventing member is abutted against the inner flange.

13. The battery exchange vehicle as claimed in claim 10, wherein the connection portion of the bolt extends into the second rotation preventing member, one of an outer peripheral wall of the connection portion and an inner peripheral wall of the second rotation preventing member is provided with a circumferentially distributed vertical groove, and the other is provided with a circumferentially distributed protrusion matched with the vertical groove.

14. The battery exchange vehicle of claim 10, wherein the locking member further comprises a lock housing, the bolt being disposed in the lock housing and being vertically liftable or rotatable relative to the lock housing;

the anti-rotation and anti-return structure further comprises an elastic piece;

15. The battery exchange vehicle according to any one of claims 1 to 14, wherein a plurality of the locking pieces are provided in at least an edge region of the battery pack, and a plurality of the locking pieces are provided in an edge region of the battery pack in a vehicle body length direction and/or a width direction of the battery exchange vehicle to lock or unlock the battery pack to a bottom of the battery exchange vehicle.

16. The battery-powered vehicle of claim 15, wherein a plurality of said locking members are further disposed in a central region of each of said battery packs.

17. The battery powered vehicle of claim 16, wherein when there are a plurality of said locking members located in said intermediate region, the plurality of locking members are disposed in a distributed manner along the length direction or the width direction of said vehicle body.

18. The battery exchange vehicle of claim 17, wherein the locking member located in the intermediate region is connected to a bottom portion of the battery exchange vehicle by being connected in a height direction of the battery exchange vehicle.

19. The battery exchange vehicle of any of claims 1-14, wherein a plurality of the locking members are disposed on a side surface of the battery pack or a plurality of the locking members are disposed on a top surface of the battery pack.

20. The battery exchange vehicle as claimed in claim 19, wherein the quick-change bracket is fixedly arranged on a beam of a vehicle body of the battery exchange vehicle, the quick-change bracket is formed with accommodating areas with downward openings, a plurality of locking mechanisms are arranged in each accommodating area, and locking and unlocking of the battery pack in the accommodating areas relative to the quick-change bracket are realized in a bolt locking manner.

21. The battery powered vehicle of claim 19, wherein the quick-change bracket comprises a bracket body coupled to the vehicle body, the plurality of locking mechanisms being coupled to the bracket body directly or via an adapter bracket extending downwardly from the bracket body, the adapter bracket being of unitary construction with the bracket body or the adapter bracket being removably coupled to the bracket body;

or, the quick-change bracket is formed by fixedly connecting a plurality of cross beams and a plurality of longitudinal beams, and a plurality of locking pieces are fixedly arranged on any side surface of the cross beams or the longitudinal beams, so that the locking direction of the bolt locking mode is consistent with the height direction of the battery-powered vehicle.

22. The battery exchange vehicle of claim 21, wherein the adapter bracket defines a receiving area for enclosing the battery pack, at least a portion of the battery being enclosed in the receiving area in a vertical direction.

23. The battery exchange vehicle of claim 21, wherein the locking member is disposed on a side of the battery pack, the locking member being spaced a predetermined distance from a top surface of the battery pack;

24. The battery exchange vehicle of claim 21, wherein a guide mechanism is disposed between the adapter frame and the battery pack, the guide mechanism including a guide block and a guide surface, the guide block being disposed on a side surface of the battery pack, the adapter frame being formed with the guide surface toward a side surface of the battery pack.

25. The battery changing vehicle according to claim 21, wherein a side surface of the battery pack is provided with a buffer mechanism corresponding to a bottom end of the adapter bracket, the buffer mechanism being disposed below the locking member, the buffer mechanism including a buffer member elastically deformable in a vertical direction.

26. The battery exchange vehicle of claim 21, wherein the bottom end of the adapter bracket is directed toward the top surface of the battery pack, and the adapter bracket is disposed in correspondence with the locking member disposed on the top surface of the battery pack.

27. The battery exchange vehicle of claim 19, wherein a plurality of the locking mechanisms are provided in an edge region of the battery pack accommodating region in a vehicle body length direction and/or a width direction of the battery exchange vehicle.

28. The battery powered vehicle of claim 27, wherein a plurality of said locking mechanisms are further disposed in a middle region of said battery pack receiving area.

29. The battery powered vehicle of claim 28, wherein when there are a plurality of locking mechanisms located in the intermediate region, the plurality of locking mechanisms are distributed along the length direction or the width direction of the vehicle body.

30. The battery powered vehicle of claim 21, wherein the battery pack has a boss extending upwardly from the side of the vehicle body and protruding from the bottom of the vehicle body, and the bracket body has a relief aperture or cavity that mates with the boss.

31. The battery exchange vehicle of claim 30, wherein the vehicle body includes two side-by-side and spaced apart vehicle beams, the bosses being formed on the outside of and/or between the two vehicle beams.

32. The battery exchange vehicle of claim 21, wherein the top of the battery pack is provided with a battery end electrical connector, the corresponding position of the bracket body is provided with a vehicle end electrical connector, and the battery end electrical connector is in plug connection with the vehicle end electrical connector in the vertical direction.

33. The battery-powered vehicle of claim 1, wherein the battery-powered vehicle is an electric truck.