CN116409130A

CN116409130A - Vehicle for replacing electric vehicle

Info

Publication number: CN116409130A
Application number: CN202211305925.8A
Authority: CN
Inventors: 张建平; 于新瑞; 凌春雷; 宋志强
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: 2023-07-11
Also published as: CN219096473U; CN116409133A; CN219007570U; CN116118464A; CN218558550U; CN218536327U; CN218805183U; CN219133830U; CN218558551U; CN218558543U; CN116252609A; CN218558552U; CN219007569U; CN116118468A; CN116118459A; CN218805180U; CN218577488U; CN116160836A; CN116118460A; CN115991087A

Abstract

The invention provides a battery-powered vehicle, comprising: a vehicle body; the quick-change bracket is connected to the beam of the vehicle body; the quick-change bracket forms a plurality of battery pack accommodating areas along the length direction of the vehicle body, and each accommodating area is independently provided with a locking mechanism; the battery packs are provided with locking pieces, the locking pieces are detachably connected with the locking mechanisms in a T-shaped rotary locking mode, the battery packs are connected to the corresponding battery pack accommodating areas through the locking pieces respectively, and the battery packs are arranged in parallel along the length direction of the vehicle body. The position of the quick-change bracket relative to the vehicle beam can be adjusted according to the internal layout of the vehicle and the structure of the battery, so that the arrangement among the battery packs is flexible. In addition, the battery pack is divided into boxes, so that compared with the whole battery pack in transportation, large-scale transportation equipment is not required to be adopted for transporting the battery packs after the boxes are divided, and the equipment material cost is reduced.

Description

Vehicle for replacing electric vehicle

The present application claims priority from chinese patent application 2022108370919, whose application date is 2022, 7, 15. The present application refers to the entirety of the above-mentioned chinese patent application.

Technical Field

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

Background

The existing battery pack mounting mode of the electric automobile is generally divided into fixed mounting and replaceable mounting, wherein the battery pack which is fixedly mounted is generally fixed on the automobile; the replaceable safety-rotating battery pack generally adopts a movable mounting mode, and the battery pack can be taken down at any time to be replaced or charged, and is mounted on the vehicle body after the replacement or charging is finished.

The existing electric heavy truck or light truck is provided with a battery pack which is arranged above a truck body, the battery pack is required to be disassembled and assembled from the upper part of the truck to realize power exchange during power exchange, the cost of the sling is high, the occupied space is large, the land cost and the equipment cost for building a station are increased, the weight of the battery pack is large, shaking is easy to occur in the hoisting process, the hoisting reliability is affected, and potential safety hazards exist.

Disclosure of Invention

The technical problem to be solved by the invention is to overcome the defects in the prior art and provide a power conversion vehicle.

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

a battery-powered vehicle comprising:

a vehicle body;

the quick-change bracket is connected to the beam of the vehicle body; the quick-change bracket forms a plurality of battery pack accommodating areas along the length direction of the vehicle body, and each accommodating area is independently provided with a locking mechanism;

The battery packs are provided with locking pieces, the locking pieces are detachably connected with the locking mechanisms in a T-shaped rotary locking mode, the battery packs are connected to the corresponding battery pack accommodating areas through the locking pieces respectively, and the battery packs are arranged in parallel along the length direction of the vehicle body.

In this scheme, can be according to the inside overall arrangement of trading the electric vehicle and the structure of battery, the position of adjustment quick change support for the roof beam to the electric vehicle of trading of adaptation different models, consequently the arrangement between the battery package is comparatively nimble. The battery pack accommodating areas are used for accommodating a plurality of battery packs, and the battery packs are divided into boxes, so that the battery packs can be conveniently replaced, and labor is saved when the battery packs are replaced; after the battery packs are placed in the boxes, different quantities of battery packs can be matched and installed according to the electricity consumption required by the battery change vehicle, so that the compatibility is high; in addition, the battery pack is divided into boxes, so that compared with the whole battery pack in transportation, large-scale transportation equipment is not required to be adopted for transporting the battery packs after the boxes are divided, and the equipment material cost is reduced. In addition, through setting up locking mechanism at every battery package accommodation area, each battery package of being convenient for is fixed respectively in corresponding battery package accommodation area through the locking piece to independent installation between each battery package is in order to satisfy the branch case demand. The locking piece is detachably connected with the locking mechanism in a T-shaped rotary locking mode, so that the battery pack can be conveniently disassembled and assembled, and the disassembly and assembly efficiency of the battery pack is improved.

Preferably, the locking mechanism comprises a lock seat, the locking piece comprises a T-shaped lock rod, the T-shaped lock rod comprises a shaft body, and the locking mechanism further comprises at least one hanging part extending outwards from one end of the shaft body, and the locking piece is rotationally locked at the locking position of the lock seat through the hanging part.

In this aspect, the hooking portion rotates to lock the hooking portion at the locking position of the lock base even if the locking member is locked on the lock base. The relative positions of the shaft body and the hanging part of the T-shaped lock rod are arranged, so that the rotation of the hanging part is conveniently limited through the lock seat, and the locking of the T-shaped lock rod on the lock seat is realized.

Preferably, the locking piece comprises two hanging parts, and the two hanging parts respectively extend from one end of the shaft body in opposite directions; or alternatively, the first and second heat exchangers may be,

the locking piece comprises three hanging parts, wherein the three hanging parts extend from one end of the shaft body in different directions respectively, and included angles are formed between the three hanging parts.

In this scheme, when setting up the quantity of hitching part to be two, be convenient for prevent automatic unblock through the rotation that the restriction hitching part was hung after the locking. The two hanging parts extend in opposite directions, so that the locking is reliable after the locking and the stress is balanced. When the number of the hanging parts is three, included angles are formed between the three hanging parts, so that the automatic unlocking can be prevented by limiting the rotation of the hanging parts after the locking, and the locking is reliable and the stress is balanced.

Preferably, the locking piece further comprises a locking part, the locking part is arranged at the other end of the shaft body, and the locking part is used for limiting the rotation of the hanging part relative to the lock seat when the hanging part is positioned at the locking position of the lock seat.

In this scheme, locking portion can avoid the rotation of locking position T type locking lever relative lock seat, guarantees the reliability of locking piece and locking mechanism locking, and then guarantees the reliability of battery package and quick change support connection.

Preferably, the locking part is matched with one of ratchet, pawl, expanding bead, clamping and meshing to limit the rotation of the hanging part relative to the lock seat.

Preferably, the locking piece further comprises a base, and the T-shaped lock rod is arranged in the base and can lift or rotate along the vertical direction relative to the base; and/or the number of the groups of groups,

the T-shaped lock rod is further provided with a driving part, and the driving part is used for driving the hooking part to lift or rotate along the vertical direction under the action of an external driving mechanism.

In this scheme, the motion direction of T type locking lever has been restrained to the base. When the battery pack moves along the vertical direction to be installed or dismounted, the T-shaped lock rod is lifted along the vertical direction, so that the process of moving the battery pack is conveniently combined with the vertical locking process of the locking mechanism and the locking piece, and the locking efficiency is improved. Meanwhile, the T-shaped lock rod is lifted along the vertical direction, so that interference with parts in the horizontal direction during movement of the T-shaped lock rod can be avoided, and the structure is compact.

Preferably, the lock seat has a connection channel extending along a vertical direction, and a clamping portion adjacent to the connection channel, wherein the connection channel is used for enabling the hanging portion to move upwards along the vertical direction to a position corresponding to the clamping portion, and the hanging portion is locked on the clamping portion through rotation.

In the scheme, the hanging part moves upwards in the connecting channel until the hanging part moves to the position corresponding to the clamping part, and then the hanging part is locked on the clamping part in a rotating way, so that the locking of the T-shaped lock rod on the lock seat is realized, and the structure is simple, reliable and convenient to realize. The hanging part moves upwards along the vertical direction, so that the process of moving the battery pack is conveniently combined with the vertical locking process of the T-shaped lock rod and the lock seat when the battery pack is detached, and the locking efficiency is improved.

Preferably, the clamping part is further provided with a guide surface, and the guide surface is obliquely upwards or downwards arranged from the connecting channel; and/or the number of the groups of groups,

the connecting channel is matched with the shape of the hanging part.

In the scheme, the guide surface on the clamping part has a certain angle with the horizontal plane, so that the clamping part and the hanging part form inclined plane self-locking after locking, and the locking is reliable.

Preferably, the number of the battery packs is at least two; the locking pieces are arranged in the edge area of each battery pack to be independently locked or unlocked at the bottom of the battery-powered vehicle.

In the scheme, a single large battery pack is split into a plurality of battery packs, so that the weight of each battery pack is small, and the load of the battery replacement device during battery disassembly and assembly is reduced; the locking member is located at the edge, i.e., locks the battery pack from the edge, so that the locking stability is good.

Preferably, the locking member is further provided at a middle region of each of the battery packs.

In this scheme, the locking piece in middle region locks the battery package with the locking piece that is located the marginal region jointly, has further improved the locking stability of battery package, disperses the load of battery package, avoids the battery package to warp.

Preferably, when the number of the locking members in the middle area is plural, the plurality of locking members are distributed along the length direction or the width direction of the body.

In this scheme, the reliability of locking has been strengthened to a plurality of locking pieces, and a plurality of locking pieces distribute the setting, can make the load equipartition of battery package, avoid the load to concentrate.

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

in this scheme, the direction of height setting along of locking spare is convenient for the battery package to dismantle with the mode of straight up and down in the bottom, is favorable to improving the efficiency of changing electricity.

Preferably, the locking member located in the middle region is disposed through the battery pack.

In this scheme, run through the locking piece in the battery package more practice thrift the space for the structure is comparatively compact.

Preferably, the quick-change bracket is fixedly arranged on a beam of the battery-change vehicle, the quick-change bracket forms a plurality of battery pack accommodating areas which are arranged in parallel along the width direction of a body of the battery-change vehicle, and each battery pack accommodating area is internally provided with a plurality of locking mechanisms independently, so that the battery packs in the battery pack accommodating areas are locked and unlocked relative to the quick-change bracket in a T-shaped rotary locking mode.

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

In this scheme, locking mechanism is located marginal area for locking piece is easier with locking mechanism's counterpoint, is favorable to improving locking stability.

Preferably, the locking mechanism is further disposed in a middle region of the battery pack accommodating region.

In this scheme, the locking mechanism in middle region locks the battery package with the locking mechanism that is located the marginal region jointly, has further improved the locking stability of battery package.

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

In this scheme, a plurality of locking mechanism have strengthened the reliability of locking, and a plurality of locking mechanism distribution sets up, can make the load equipartition of battery package, avoids the load to concentrate.

Preferably, the quick-change bracket comprises a bracket body, wherein the bracket body is of a frame structure, the bracket body comprises a plurality of first supporting beams which are arranged at intervals along the length direction of the vehicle body and a plurality of second supporting beams which extend along the length direction of the vehicle body, the second supporting beams are respectively connected to two ends of the first supporting beams, the first supporting beams and the second supporting beams are connected and enclosed to form the frame structure, and a space between two adjacent first supporting beams along the length direction of the vehicle body forms the battery pack accommodating area; the locking mechanism is arranged at the side part or the bottom of the first supporting beam.

In this scheme, can be according to the inside overall arrangement of trading the electric vehicle, and the structure or the battery package quantity of battery package, the position of adjustment support body for the roof beam to the electric vehicle trades of different models of adaptation, consequently the arrangement between the battery package is comparatively nimble, and has reduced the whole processing degree of difficulty of quick change support.

Preferably, the locking member is located at or below the middle of the battery pack in the height direction of the battery pack.

In this scheme, adopt above-mentioned structural style, realize being connected with locking mechanism through the locking piece that is located battery package middle part or middle part below the region, the tie point is located battery package middle part or middle part below the region, reduces the battery package and needs unsettled region that sets up, and locking stability is high.

Preferably, the battery pack is located at the bottom of the vehicle beam or the battery pack is higher than the lower surface of the vehicle beam along the height direction of the vehicle body.

In this scheme, adopt above-mentioned structural style, set up the installation space of battery package in the roof beam bottom, make full use of the space of roof beam below, be favorable to improving space layout rationality. The battery pack part is higher than the lower surface of the vehicle beam, so that the space utilization rate is effectively improved, the ground clearance of the lower surface of the battery pack is increased, and the battery pack bottom is convenient for the battery replacement equipment to enter and exit.

Preferably, the quick-change bracket comprises two groups of sub-brackets arranged at intervals along the length direction of the vehicle body, at least one side of each sub-bracket forms the battery pack accommodating area, each sub-bracket comprises a plurality of segmented beams arranged at intervals along the length direction of the vehicle body, each segmented beam is connected with the corresponding vehicle beam, and the corresponding segmented beams are provided with the corresponding locking mechanism.

In this scheme, can increase or reduce the quantity of segmentation roof beam according to actual need, the flexibility ratio is high, also is convenient for improve the stability of battery package installation.

Preferably, the quick-change bracket comprises a plurality of independent bracket bodies, wherein the independent bracket bodies are distributed along the length direction of the vehicle body, and each bracket body forms a battery pack accommodating area; the locking mechanism is arranged at the side part or the bottom of the bracket body.

Preferably, along the length direction of the body, a plurality of locking mechanisms are oppositely arranged in the battery pack accommodating area of the bracket body.

Preferably, along the length direction of the vehicle body, one side of the battery pack accommodating area is provided with at least two locking mechanisms, and at least two locking mechanisms are arranged at intervals along the width direction of the vehicle body.

Preferably, the quick-change bracket comprises a first connecting beam extending along the length direction of the vehicle body and a second connecting beam extending along the direction perpendicular to the ground of the vehicle body, and the quick-change bracket is connected with the side part of the vehicle beam through the first connecting beam and the second connecting beam.

Preferably, the quick-change bracket comprises a plurality of first reinforcing ribs and a plurality of second reinforcing ribs, wherein the first reinforcing ribs are arranged between the first connecting beam and the bracket body at intervals, and the second reinforcing ribs are arranged between the first connecting beam and the second connecting beam at intervals.

Preferably, the quick-change bracket further comprises a connector assembly, the connector assembly comprises a vehicle end connector and mounting pieces, each of the battery pack accommodating areas is provided with the mounting pieces respectively, the mounting pieces are connected to the quick-change bracket, and the vehicle end connector is arranged on the mounting pieces.

In this scheme, adopt above-mentioned structural style, through set up the car end connector in every battery package holds the district, each battery package of being convenient for realizes independently supplying power to electric vehicle to satisfy the branch case demand. The car end connector is connected to the quick-change bracket through the mounting piece, the connection is stable and reliable, the mounting piece can be mounted by utilizing an idle area in the battery pack accommodating area, mounting interference with the locking mechanism can be avoided, a mounting space can be reserved for the car end connector, other space occupation is avoided, and the space layout rationality is improved.

Preferably, the mounting member includes a support beam and a support plate connected to the quick-change bracket through the support beam, the vehicle-end connector is provided on the support plate,

or alternatively, the first and second heat exchangers may be,

the mounting piece comprises a mounting plate, the mounting plate is connected to the quick-change bracket, and the vehicle end connector is arranged on the mounting plate.

In this scheme, adopt above-mentioned structural style for the backup pad of installation car end connector passes through a supporting beam to be fixed on quick change support, compares in the length through increasing the backup pad for the both ends of backup pad can direct mount in quick change support, save material's use. The support plate of the installation car end connector is directly connected to the quick-change bracket, so that the assembly efficiency is improved, and the processing of parts is also facilitated.

Preferably, the number of the vehicle beams is two, the two vehicle beams are symmetrically distributed along the central axis of the length direction of the vehicle body, and the mounting piece is positioned between the two vehicle beams.

In this scheme, the installed part is located between the roof beam, that is to say that the electric connector is installed between the roof beam, compares with installing the electric connector in the both sides of quick change support to make load balance, more firm, and the security is higher, the effectual inner space who utilizes the trading electric vehicle.

Preferably, the battery replacing vehicle further comprises a first limiting mechanism, wherein the first limiting mechanism is installed on the quick-change bracket and is used for being matched with a positioning hole at the top of the battery pack so as to position the battery pack.

In this scheme, adopt above-mentioned structural style, realize the location between battery package and the quick change support through first stop gear and locating hole cooperation to play the guide effect when the battery package is installed to the quick change support, in order to improve the installation accuracy that the battery package got into the battery package and holds in the district, improve the installation effectiveness of battery package. Meanwhile, after the battery pack is mounted on the quick-change bracket, the first limiting mechanism and the positioning hole which are matched with each other can limit the battery pack, so that the battery pack is prevented from shaking in the running process of the vehicle.

Preferably, the battery-powered vehicle further includes a second limiting mechanism disposed at opposite ends along a length direction of the vehicle body and opposite ends along a width direction of the vehicle body.

In this scheme, second stop gear can realize the location of two degrees of freedom on the horizontal direction to the battery package at the length of automobile body and the opposite both ends of width direction respectively, realizes the stability of location.

Preferably, the second limiting mechanism comprises a limiting seat and a limiting piece, wherein one limiting seat and one limiting piece are arranged on the battery pack, the other limiting seat is arranged on the bracket body, and an elastic piece is arranged on the limiting seat and is contacted with the elastic piece to position the battery pack.

In this scheme, because the space that quick change support and battery package contacted in the horizontal direction is limited, consequently advance extrusion location's mode through locating part and elastic sheet and can improve space utilization, also can realize the location effect that is preferred in the horizontal direction simultaneously.

Preferably, the end of the elastic piece is inclined to form a guiding inclined plane.

In this scheme, the tip slope setting of elastic piece forms the direction inclined plane, and the direction inclined plane makes the elastic piece have better elasticity and better guidance quality to make things convenient for the elastic component to fix a position the installation for quick change support, also further restrict the elastic piece and move for quick change support.

Preferably, the quick-change bracket further comprises a protection plate, and the protection plate covers the top of the battery pack.

In this scheme, adopt above-mentioned structural style, the top of battery package is covered and is had the protection shield, reduces debris such as dust, rainwater and gets into battery package accommodation area to avoid causing the influence to the performance of battery package.

Preferably, a buffer pad is arranged on one side of the protection plate facing the top of the battery pack, and/or an avoidance part is arranged on one side of the protection plate facing the top of the battery pack.

In this scheme, set up the blotter and can prevent that the battery package from scraping the battery package surface when removing, play the effect of protection battery package, also can reduce the rocking of battery package. In addition, the vehicle end connector can be arranged on the protective plate, a gap is formed between the battery pack and the protective plate in the area outside the junction of the vehicle end connector, and the buffer pad is arranged to compensate the gap, so that uniform load distribution is ensured. In addition, set up in the protection plate and dodge the portion, be convenient for walk the line, also can dodge the interior car end connector of installation of portion, spatial layout is reasonable, avoids taking place the contact interference between car end connector and the protection plate.

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

The invention has the positive progress effects that:

according to the battery changing vehicle, the position of the quick-change bracket relative to the vehicle beam can be adjusted according to the internal layout of the battery changing vehicle and the structure of the battery so as to adapt to the battery changing vehicles of different types, and therefore the arrangement among the battery packs is flexible. The battery pack accommodating areas are used for accommodating a plurality of battery packs, the battery packs are divided into boxes, the volume and the weight of each battery pack are smaller, the battery packs are convenient to replace, labor is saved when the battery packs are replaced, and meanwhile the requirement on battery replacement equipment is reduced; after the battery packs are placed in the boxes, different quantities of battery packs can be matched and installed according to the electricity consumption required by the battery change vehicle, so that the compatibility is high; in addition, the battery pack is divided into boxes, so that compared with the whole battery pack in transportation, large-scale transportation equipment is not required to be adopted for transporting the battery packs after the boxes are divided, and the equipment material cost is reduced. In addition, through setting up locking mechanism at every battery package accommodation area, each battery package of being convenient for is fixed respectively in corresponding battery package accommodation area through the locking piece to independent installation between each battery package is in order to satisfy the branch case demand. The locking piece is detachably connected with the locking mechanism in a T-shaped rotary locking mode, so that the battery pack can be conveniently disassembled and assembled, and the disassembly and assembly efficiency of the battery pack is improved.

Drawings

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

Fig. 2 is an enlarged schematic view of fig. 1 at a.

Fig. 3 is an enlarged partial schematic view of a battery-powered vehicle according to embodiment 1 of the present invention.

Fig. 4 is a schematic structural diagram of a quick-change bracket according to embodiment 1 of the present invention.

Fig. 5 is a schematic structural view of a battery pack according to embodiment 1 of the present invention.

Fig. 6 is a schematic perspective view of a second limiting mechanism according to embodiment 1 of the present invention.

Fig. 7 is an exploded view of the lock assembly of embodiment 1 of the present invention.

Fig. 8 is a schematic structural view of the locking assembly in the locked state according to embodiment 1 of the present invention.

Fig. 9 is a schematic structural view of the locking assembly in an unlocked state according to embodiment 1 of the present invention.

Fig. 10 is a schematic diagram of another view of the locking assembly of embodiment 1 of the present invention in the locked state.

Fig. 11 is a top view of the locking assembly of embodiment 1 of the present invention in a locked state.

Fig. 12 is a perspective view of the lock member of embodiment 1 of the present invention.

Fig. 13 is an exploded view of a locking assembly of another locking member according to embodiment 1 of the present invention.

Fig. 14 is a schematic partial structure of a quick-change bracket according to embodiment 1 of the present invention.

Fig. 15 is another partial structure diagram of the quick-change bracket according to embodiment 1 of the present invention.

Fig. 16 is a schematic perspective view of a battery-powered vehicle according to embodiment 2 of the present invention.

Fig. 17 is a schematic perspective view of a battery-powered vehicle according to embodiment 3 of the present invention.

Description of the reference numerals

Vehicle 100 for replacing electric vehicle

Body 1

Vehicle beam 11

Quick change stand 2

Bracket body 21

First support beam 201

Second support beam 202

First connecting beam 203

Second connecting beam 204

First stiffener 205

Second stiffener 206

Transfer frame 3

Beam 31

Longitudinal beam 32

Battery pack 4

Adapter bracket 41

Locking mechanism 5

Lock seat 531

Connection channel 532

Clamping portion 533

Locking member 6

T-shaped lock rod 621

Shaft body 6211

Hitching section 6212

Base 622

Anti-loose portion 63

Connector assembly 7

Vehicle end connector 71

Mounting member 72

Support beam 720

Support plate 721

Locating pin 8

Guide surface 81

Spacing seat 91

Limiting member 92

Elastic sheet 93

Guide slope 930

Locking assembly 10

Detailed Description

The present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which preferred embodiments are shown.

Example 1

As shown in fig. 1 to 15, the present embodiment provides a replacement vehicle 100, and the replacement vehicle 100 is an electric truck.

Specifically, the electric truck includes: the vehicle body 1, the quick-change bracket 2 and the plurality of battery packs 4, wherein the quick-change bracket 2 is connected to a beam 11 of the vehicle body 1; the quick-change bracket 2 forms a plurality of battery pack accommodating areas along the length direction of the vehicle body 1, and each accommodating area is independently provided with a locking mechanism 5; the battery packs 4 are provided with locking pieces 6, the locking pieces 6 and the locking mechanisms 5 are detachably connected in a T-shaped rotary locking mode, the battery packs 4 are connected to corresponding battery pack accommodating areas through the locking pieces 6 respectively, and the battery packs 4 are arranged in parallel along the length direction of the vehicle body 1.

The position of the quick-change bracket 2 relative to the vehicle beam 11 can be adjusted according to the internal layout of the replacement vehicle 100 and the structure of the battery to adapt to the replacement vehicles 100 of different models, so that the arrangement between the battery packs 4 is flexible. The battery pack 4 is placed in a plurality of battery pack accommodating areas, the battery packs 4 are respectively arranged and fixed on the body 1 of the battery exchange vehicle 100 in parallel along the length direction of the body 1 through quick-change brackets 2, the battery packs 4 are divided into boxes, the volume and the weight of a single battery pack are smaller, the battery packs 4 are convenient to replace, the labor is saved when the battery packs 4 are replaced, and meanwhile, the requirement on battery exchange equipment is reduced; after the battery packs 4 are placed in boxes, different quantities of battery packs 4 can be matched and installed according to the power consumption required by the electric vehicle 100, so that the compatibility is strong; in addition, the battery packs 4 are arranged in the case, compared with the whole battery packs 4, the large-scale conveying equipment is not needed to be adopted for conveying the battery packs 4 after the case separation, and the equipment material cost is reduced. Each battery pack is independently locked on the body of the battery replacement vehicle in a T-shaped lock rod locking mode, the disassembly and the assembly are not affected, and the disassembly and the assembly flexibility are higher; each battery pack is connected to the vehicle body of the battery replacement vehicle along the vertical direction, so that the battery packs can be conveniently disassembled and assembled, and the disassembly and assembly efficiency of the battery packs is improved.

The electric vehicle in this embodiment is an electric truck, and the electric truck requires larger power and total energy in operation, so that a battery with larger volume needs to be adapted.

As an alternative embodiment, the plurality of battery packs 4 are arranged in parallel along the width direction of the vehicle body 1, so that the space at the bottom of the vehicle beam 11 and on both sides of the vehicle beam 11 can be effectively utilized, and the space utilization rate is high. The battery pack accommodation area includes a plurality of sub-accommodation areas that set up side by side along the width direction of automobile body 1, and every sub-accommodation area all is provided with locking mechanism, therefore, every sub-accommodation area all can independently install the battery pack, and that is, every battery pack accommodation area all can install a plurality of small-size battery packs, like this, has further reduced the volume and the weight of single battery pack, has reduced the requirement to the electric installation of changing to reduce the electric cost of changing. For example, in the embodiment shown in fig. 1, each battery accommodating area may be divided into three sub-accommodating areas along the width direction of the body 1, and one small battery pack is provided in each sub-accommodating area, so that nine independent battery packs may be simultaneously mounted to the quick-change bracket 2. The number of sub-receiving areas in the respective battery pack receiving areas on the same quick-change bracket 2 may be different, for example, the battery pack receiving area located at the forefront of the body 1 may have three sub-receiving areas, and the battery pack receiving area in the middle may have only two sub-receiving areas. On the premise of meeting the requirement of battery pack installation, the number and arrangement modes of the sub-accommodation areas can be adjusted arbitrarily by a person skilled in the art.

In addition, the battery packs are divided into boxes in the length direction (X direction) of the vehicle, and compared with the boxes in the width direction (Y direction) of the vehicle, the boxes in the X direction are not easy to generate unbalanced load in the power exchange process, and the unbalanced load of the vehicle can not be caused under the condition that only part of the battery packs are mounted on the power exchange vehicle, so that the battery packs are more flexible in use mode and better in applicability; in addition, the X-direction box separation is convenient for unlocking operation of an unlocking mechanism on the battery replacing equipment along gaps among a plurality of battery packs, and the battery replacing equipment cannot interfere with the battery packs in the process of reciprocating to the bottom of the vehicle from the side surface of the vehicle.

The number of the battery packs 4 is at least two, so that a single large battery pack is split into a plurality of battery packs, and therefore the weight of each battery pack 4 is small, and the load of the battery replacing device when the battery is disassembled is reduced. A plurality of locking members 6 are provided in the edge region of each battery pack 4 to be independently locked or unlocked at the bottom of the battery change vehicle 100, and the battery packs 4 are locked from the edges, so that the locking stability is good. In the present embodiment, as shown in fig. 1, the number of the battery packs 4 is three.

In this embodiment, as shown in fig. 5, the locking member 6 is mounted on the battery pack 4 through the adapting bracket 41, wherein the adapting bracket 41 is separately arranged and corresponds to the locking member 6 one by one, the adapting bracket 41 is L-shaped, one end of the adapting bracket 41 is fixedly arranged on the battery pack 4, and the other end of the adapting bracket protrudes out of the battery pack 4 for mounting the locking member 6. Of course, the adapting bracket 41 may be an integral bracket, that is, the integral adapting bracket 41 is fixedly arranged on the battery pack 4, and the locking member 6 is mounted on the adapting bracket 41. In other embodiments, the locking member 6 is mounted directly to the side wall of the battery pack 4 or the locking member 6 is mounted to the flange of the battery pack 4.

Preferably, a locking member 6 is also provided in the middle region of each battery pack 4. The plurality of locking pieces 6 are located in the middle area, and the plurality of locking pieces 6 are distributed along the length direction or the width direction of the vehicle body 1. The locking piece 6 in the middle area and the locking piece 6 in the edge area jointly lock the battery pack 4, so that the locking stability of the battery pack 4 is further improved, the load of the battery pack 4 is dispersed, and the battery pack is prevented from deforming.

The locking piece 6 located in the middle area is locked at the bottom of the electric vehicle 100 along the height direction of the electric vehicle 100, so that the battery pack 4 is dismounted in a straight up-down mode at the bottom of the electric vehicle 100, and the electric device can be used for dismounting the battery pack 4 in the process of lifting the battery pack 4, so that the action is simpler, and the electric efficiency is improved.

In some embodiments, the locking member 6 in the middle region may be disposed through the battery pack 4, which may save more space and make the structure compact.

The quick-change bracket is fixedly arranged on the beam 11 of the battery-change vehicle 100, the quick-change bracket 2 forms a plurality of battery pack accommodating areas which are arranged in parallel along the width direction of the body 1 of the battery-change vehicle 100, and a plurality of locking mechanisms 5 are independently arranged in each battery pack accommodating area so as to realize locking and unlocking of the battery pack 4 in the battery pack accommodating area relative to the quick-change bracket 2 in a T-shaped rotary locking mode.

The plurality of locking mechanisms 5 are provided in an edge region of the battery pack accommodating region in the width direction of the body 1 of the battery-powered vehicle 100. The locking mechanism 5 is located in the edge area, so that the alignment of the locking piece 6 and the locking mechanism 5 is easier, and the locking stability is improved.

The locking mechanism 5 is also provided in the middle region of the battery pack accommodation region. The locking mechanism 5 in the middle area and the locking mechanism 5 in the edge area jointly lock the battery pack, so that the locking stability of the battery pack is further improved. Specifically, in the present embodiment, a plurality of locking mechanisms 5 are provided on the first support beam 201.

When the plurality of locking mechanisms 5 are provided in the intermediate region, the plurality of locking mechanisms 5 may be provided in a distributed manner along the longitudinal direction of the vehicle body 1 or may be provided in a distributed manner along the width direction, which is not limited in this application. The reliability of locking has been strengthened to a plurality of locking mechanism 5, and a plurality of locking mechanism 5 distribution sets up, can make the load equipartition of battery package, avoids the load to concentrate.

In some other embodiments, the locking mechanism 5 may be provided in an edge region of the battery pack accommodating region along the longitudinal direction of the body 1 of the electric vehicle 100, for example, a plurality of locking mechanisms 5 may be provided on the second support beam 202.

Specifically, the quick-change bracket 2 includes a bracket body 21, the bracket body 21 is a frame structure, the bracket body 21 includes a plurality of first support beams 201 arranged at intervals along the length direction of the vehicle body 1 and a plurality of second support beams 202 extending along the length direction of the vehicle body 1, the second support beams 202 are respectively connected to two ends of the first support beams 201, the first support beams 201 and the second support beams 202 are connected and enclosed to form a frame structure, and a battery pack accommodating area is formed along the space between two adjacent first support beams 201 along the length direction of the vehicle body 1; the locking mechanism 5 is provided on a side portion of the first support beam 201.

The position of the bracket body 21 relative to the vehicle beam 11 can be adjusted according to the internal layout of the vehicle 100 and the structure of the battery packs 4 or the number of the battery packs 4 so as to adapt to the vehicle 100 with different models, so that the arrangement between the battery packs 4 is flexible, the overall processing difficulty of the quick-change bracket 2 is reduced, and in addition, the bracket body 21 adopts a frame structure, so that the structural strength is high and the weight is reduced.

In this embodiment, along the height direction of the battery pack 4, the locking member 6 is located in the middle or lower middle area of the battery pack 4, the locking member 6 located in the middle or lower middle area of the battery pack 4 is connected with the locking mechanism 5, the connection point is located in the middle or lower middle area of the battery pack 4, the area where the battery pack 4 needs to be suspended is reduced, and the locking stability is high. In other alternative embodiments, the locking member 6 may also be located in an area above the middle of the battery pack 4, such as the locking member 51 being located at the top of the battery pack 5. The present invention is not particularly limited, and may be adapted according to actual needs as long as the locking member 6 can be coupled to the corresponding battery pack receiving area.

Secondly, along the direction of height of the body 1, the battery pack 4 is located at the bottom of the vehicle beam 11, and the installation space of the battery pack 4 is arranged at the bottom of the vehicle beam 11, so that the space below the vehicle beam 11 is fully utilized, and the rationality of the space layout is improved. Or, the part of the battery pack 4 is higher than the lower surface of Che Liang 11, so that the space utilization rate is effectively improved, the ground clearance of the lower surface of the battery pack 4 is increased, and the battery replacement equipment can conveniently enter and exit the bottom of the battery pack 4. In other alternative embodiments, the battery pack 4 may also be partially raised above the upper surface of Che Liang, e.g., one or more portions of the battery pack 4 may protrude upward, up to Yu Cheliang a, to fully utilize the space above. As long as the battery pack 4 can not interfere with other components, the shape and position of the battery pack 4 are not particularly limited here.

Along the length direction of the vehicle body 1, the locking mechanism 5 is distributed on at least one side of the battery pack accommodating area, and the side wall of the battery pack 4 is provided with a locking piece 6 matched with the locking mechanism 5. The locking mechanism 5 is located at least one side of the battery pack accommodation area, and accordingly, the locking member 6 is located on the side wall of the battery pack 4, and the space layout is reasonable, so that the connection between the locking member 6 and the locking mechanism 5 is realized in the process that the battery pack 4 enters the battery pack accommodation area. Preferably, the locking mechanism 5 is distributed on both sides of the battery pack accommodating area along the length direction of the vehicle body 1. The locking mechanism 5 is located the both sides of battery package holding area, and the lock point is located the both sides of battery package 4 for battery package 4 both sides all can be realized holding the district with the battery package and be connected, in order to improve the equilibrium.

In other embodiments, as an alternative means, the locking mechanism 5 is distributed on at least one side of the battery pack accommodating area along the width direction of the vehicle body 1, and the side wall of the battery pack 4 is provided with a locking piece 6 that cooperates with the locking mechanism 5. Preferably, the locking mechanism 5 is distributed on both sides of the battery pack accommodating area in the width direction of the vehicle body 1. Or, along the length direction of the vehicle body 1, the locking mechanism 5 is distributed on at least one side of the battery pack accommodating area, and the side wall of the battery pack 4 is provided with a locking piece 6 matched with the locking mechanism 5; along the width direction of the vehicle body 1, the locking mechanism 5 is distributed on at least one side of the battery pack accommodating area, and the side wall of the battery pack 4 is provided with a locking piece 6 matched with the locking mechanism 5. Preferably, locking mechanism 5 distributes in the side all around of battery package holding area, and locking piece 6 of the lateral wall all around of battery package 4 are all fixed in the battery package holding area through locking mechanism 5, and the locking effect is stable, further prevents dropping of battery package 4.

Along the width direction of the body 1, at least one side of the battery pack accommodating area is provided with at least two locking mechanisms 5, and at least two locking mechanisms 5 are arranged at intervals along the length direction of the body 1. At one side of the battery pack accommodation area, a plurality of locking points are arranged between the battery pack 4 and the battery pack accommodation area, and the battery pack 4 is fixed in the battery pack accommodation area through a plurality of locking mechanisms 5, so that the reliability and stability of the battery pack 4 locked in the quick-change bracket 2 are improved. Preferably, at least two locking mechanisms 5 are provided on both sides of the battery pack accommodating area in the width direction of the vehicle body 1.

In other embodiments, as an alternative means, at least two locking mechanisms 5 are provided on one side of the battery pack accommodating area in the longitudinal direction of the vehicle body 1, and at least two locking mechanisms 5 are provided at intervals in the width direction of the vehicle body 1. Preferably, at least two locking mechanisms 5 are provided on both sides of the battery pack accommodating area in the longitudinal direction of the vehicle body 1. Or, at least one side of the battery pack accommodating area is provided with at least two locking mechanisms 5 along the width direction of the vehicle body 1, and the at least two locking mechanisms 5 are arranged at intervals along the length direction of the vehicle body 1; along the length direction of the body 1, one side of the battery pack accommodation area is provided with at least two locking mechanisms 5, and at least two locking mechanisms 5 are arranged at intervals along the width direction of the body 1. Preferably, at least two locking mechanisms 5 are provided on both sides of the battery pack accommodating area in the width direction of the vehicle body 1; along the length direction of the vehicle body 1, both sides of the battery pack accommodating area are also provided with at least two locking mechanisms 5.

In the present embodiment, the quick-change bracket 2 includes a first connecting beam 203 extending in the longitudinal direction of the vehicle body 1, and a second connecting beam 204 extending in the direction perpendicular to the ground along the vehicle body 1, and the quick-change bracket 2 is connected to the side portion of the vehicle beam 11 through the first connecting beam 203 and the second connecting beam 204.

The first connection beam 203 is installed at the side of the vehicle beam 11 so that the installation space is larger and the installation and the removal are facilitated. The quick-change bracket 2 can be fixed in the vertical direction through the second connecting beam 204 on the basis that the first connecting beam 203 can be fixed in the horizontal direction, so that the quick-change bracket 2 is more firmly fixed relative to the vehicle beam 11.

In the present embodiment, the quick-change bracket 2 includes a plurality of first reinforcing ribs 205 and a plurality of second reinforcing ribs 206, the plurality of first reinforcing ribs 205 being disposed between the first connection beam 203 and the bracket body 21 at intervals, and the plurality of second reinforcing ribs 206 being disposed between the first connection beam 203 and the second connection beam 204 at intervals. The second connection beam 204, the bracket body 21 and the first reinforcing ribs 205 form a firm structure, and the connection reliability of the bracket of the battery pack 4 is ensured. The first connection beam 203, the vehicle beam 11 and the second reinforcing ribs 206 form a firm structure, and the connection reliability of the bracket of the battery pack 4 is ensured.

In this embodiment, the quick-change bracket 2 further includes a connector assembly 7, and as shown in fig. 14, the connector assembly 7 includes a mounting vehicle-end connector 71 and a mounting member 72, the mounting member 72 is provided in each battery pack accommodating area, the mounting member 72 is connected to the quick-change bracket 2, and the vehicle-end connector 71 is provided on the mounting member 72. The mounting member 72 includes a support beam 720 and a support plate 721, the support plate 721 is connected to the quick-change bracket 2 through the support beam 720, and the vehicle-end connector 71 is provided on the support plate 721. By providing the vehicle end connector 71 in each battery pack accommodation area, the battery packs 4 are facilitated to realize independent power supply to the battery-powered vehicle 100, thereby meeting the case division requirement. The car end connector 71 is connected to the quick-change bracket 2 through the mounting piece 72, the connection is stable and reliable, and the mounting piece 72 can be mounted by utilizing an idle area in a battery pack accommodating area, so that mounting interference with a locking mechanism can be avoided, a mounting space can be reserved for the car end connector 71, other space occupation is avoided, and the improvement of space layout rationality is facilitated.

In other alternative embodiments, the mounting member 72 includes a mounting plate that is coupled to the quick-change bracket 2, and the vehicle end connector 71 is disposed on the mounting plate. In the present embodiment, the vehicle-end connector 71 includes a liquid-cooled connector and an electrical connector, which are sequentially arranged on the mounting plate. Specifically, the vehicle-end electrical connector on the quick-change bracket 2 is connected with the circuit control unit of the battery-changing vehicle 100, so that the battery pack 4 is electrically connected with the battery-changing vehicle 100, and the battery pack 4 can supply power to the battery-changing vehicle 100. The liquid cooling connector is connected with the cooling system of the electric vehicle 100, and the cooling liquid can flow into the battery pack 4 through the battery end water connector and the vehicle end water connector to cool or insulate the battery pack 4, so that the temperature of the battery pack 4 is always kept within a normal range, and the normal power supply of the battery pack 4 is ensured.

In this embodiment, the electric connector and the liquid cooling connector are mounted on the top of the quick-change bracket 2, compared with the conventional art that the battery end electric connector is mounted on the side wall of the battery pack 4, the space of the battery side portion occupied by the battery end electric connector can be avoided, so that the side portion of the battery pack 4 can have more space to mount other structures.

In the present embodiment, the number of the vehicle beams 11 is two, the two vehicle beams 11 are symmetrically distributed along the central axis of the longitudinal direction of the vehicle body 1, and the mounting piece 72 is located between the two vehicle beams 11.

The mounting members 72 are located between the vehicle beams 11, that is, the electrical connectors are mounted between the vehicle beams 11, and make the load balanced, more stable, and safer, effectively utilizing the inner space of the replacement vehicle 100, as compared to mounting the connector assembly 7 on both sides of the quick-change bracket 2.

In this embodiment, the battery replacing vehicle 100 further includes a first limiting mechanism mounted on the quick-change bracket 2 for cooperating with a positioning hole at the top of the battery pack 4 to position the battery pack 4. The quick-change bracket 2 is also provided with a guide mechanism, so that the space utilization rate of the vehicle 100 is effectively improved, and the positioning accuracy of the vehicle with the battery pack 4 is improved. The positioning between the battery pack 4 and the quick-change bracket 2 is realized through the cooperation of the first limiting mechanism and the positioning hole, so that a guiding effect is realized when the battery pack 4 is installed in the quick-change bracket 2, the installation accuracy of the battery pack 4 in the accommodating area of the battery pack 4 is improved, and the installation efficiency of the battery pack 4 is improved. Meanwhile, after the battery pack 4 is mounted on the quick-change bracket 2, the first limiting mechanism and the positioning hole which are matched with each other can limit the battery pack 4, so that the battery pack 4 is prevented from shaking in the running process of the vehicle.

Specifically, referring to fig. 15, the first limiting mechanism is a positioning pin 8, the end of the positioning pin 8 near the battery pack 4 has a guiding surface 81 with a gradually decreasing diameter, and by the guiding surface 81 with a gradually decreasing diameter of the end of the limiting mechanism, a certain offset error can be allowed to more easily insert the limiting mechanism into the positioning hole of the battery pack 4, and even if there is a small error in the horizontal direction, accurate alignment of the battery pack 4 can be achieved. Preferably, the positioning pins 8 may be disposed at both sides of the support plate 721.

It should be noted that, in other alternative embodiments, the cross sections of the positioning pin 8 and the positioning hole may be non-circular, for example, diamond pins may be used, where the diamond pins are easier to orient than circular pins, but lack a certain degree of freedom, and may be adapted according to the actual needs, and are not limited in this regard.

In the present embodiment, the electric vehicle 100 further includes second stopper mechanisms provided at opposite ends in the longitudinal direction of the vehicle body 1 and opposite ends in the width direction of the vehicle body 1. The second limiting mechanism can position two degrees of freedom of the battery pack 4 in the horizontal direction at two opposite ends of the length and width directions of the vehicle body 1 respectively, and positioning stability is achieved.

Specifically, as shown in fig. 6, the second limiting mechanism includes a limiting seat 91 and a limiting member 92, one of the limiting seat 91 and the limiting member 92 is disposed on the battery pack 4, the other is disposed on the bracket body 21, and an elastic sheet 93 is disposed on the limiting seat 91, and contacts with the elastic sheet 93 through the limiting member 92 to position the battery pack 4. The elastic piece 93 is used for preventing the rigid collision between the battery pack 4 and the quick-change bracket 2, realizes elastic buffering, and through the cooperation of the elastic piece 93 and the limiting piece, limits the displacement of the battery pack 4 in the battery pack accommodation area, prevents the damage of the battery pack 4. Because the space that quick change support 2 and battery package 4 contacted in the horizontal direction is limited, consequently carry out extrusion location's mode through locating part 92 and elastic piece 93 and can improve space utilization, also can realize the location effect that is preferred in the horizontal direction simultaneously.

The quantity of elastic piece 93 and spacing seat 91 is the same and all is a plurality of, and the quantity one-to-one setting of elastic piece 93 and spacing seat 91, elastic piece 93 all connect on quick change support 2's inside wall, and spacing component all connects on the lateral wall of battery package 4. The elastic piece 93 is used for preventing the rigid collision between the battery package 4 and the quick-change bracket 2, realizes elastic buffering, and through the cooperation of the limiting seat 91 and the elastic piece 93, restricts the movement of the battery package 4 relative to the quick-change bracket 2, prevents the battery package 4 from damaging.

In other alternative embodiments, the limiting seats 91 may be connected to the inner side walls of the quick-change bracket 2, and the elastic pieces 93 may be connected to the outer side walls of the battery pack 4. Alternatively, the inner side wall of the quick-change bracket 2 may be connected with a part of the elastic piece 93 and a part of the stopper 91, and the outer side wall of the battery pack 4 may be connected with a corresponding part of the stopper 91 and a corresponding part of the elastic piece 93.

In the present embodiment, the end portions of the elastic pieces 93 are disposed obliquely to form a guide slope 930. The guide slope 930 is formed to be bent toward the inner side wall of the quick change bracket 2 of the change vehicle 100 such that the guide slope 930 is for engagement with the inner side wall of the quick change bracket 2. In other alternative embodiments, the guiding inclined surface 930 may be formed into a hook shape, which hooks the lower surface of the inner side wall of the quick-change bracket 2, and the guiding inclined surface 930 allows the elastic piece 93 to have better elasticity and better guiding property, so that the elastic piece 93 is convenient to be installed and positioned relative to the quick-change bracket 2, and also helps to further limit the movement of the elastic piece 93 relative to the quick-change bracket 2.

In the present embodiment, the structure of the T-shaped rotation lock mode for detachable connection of the battery pack 12 and the quick-change holder 11 is specifically shown in fig. 7 to 12.

In this embodiment, a preferable structure of a T-type rotation locking manner is provided, as shown in fig. 7 to 13; the locking assembly 10 of the present embodiment includes the locking member 6 and the locking mechanism 5 applied to the above-described T-shaped rotary locking manner, and the T-shaped rotary locking of the battery pack and the battery change vehicle is achieved by the mutual cooperation of the locking member 6 and the locking mechanism 5, when one of the locking member 6 or the locking mechanism 5 is provided on the battery pack, the other of the locking member 6 or the locking mechanism 5 is provided on the battery change vehicle.

As shown in fig. 7, the locking member 6 includes a T-shaped locking bar 621, the T-shaped locking bar 621 includes a shaft body 6211, and further includes at least one hooking portion 6212 extending outwardly from one end of the shaft body 6211, and the locking member 6 is rotatably locked at the locking position of the lock holder 531 by the hooking portion 6212.

As shown in fig. 7, the locking member 6 includes two hooking portions 6212, and the two hooking portions 6212 extend in opposite directions from one end of the shaft body 6211, respectively. In other embodiments, the number of the hanging parts may be different from that of the present embodiment, as shown in fig. 13, the locking member 6 may also include three hanging parts 6212, where the three hanging parts 6212 extend from one end of the shaft body 6211 in different directions, and an included angle is formed between the three hanging parts 6212. In other embodiments, the hooking portion 6212 may not be provided, so long as the locking member can be turned to be detachably locked in cooperation with the locking mechanism, for example, an inner hexagonal hole may be formed in an end portion of the shaft body 6211, and a tool may be used to cooperate with the inner hexagonal hole to turn the hooking portion 6212.

Specifically, the locking member 6 further includes a locking portion 63, where the locking portion 63 is provided at the other end of the shaft body 6211, and is configured to limit rotation of the hooking portion 6212 relative to the lock seat 531 when the hooking portion 6212 is located at the locking position of the lock seat 531. In this embodiment, the locking portion 63 is a nut, and is engaged with the shaft body 6211 to realize locking. The locking portion can also limit the rotation of the hanging portion 6212 relative to the lock seat 531 by one of a ratchet, a pawl, a bead and a clamping manner.

In this embodiment, when the locking is performed, the shaft body 6211 of the T-shaped lock rod 621 is inserted into the connection channel 532, and the hooking portion 6212 is located at the locking position of the lock base by rotating the hooking portion 6212, at this time, the protrusion on the shaft body 6211 is matched with the groove in the connection channel 532, and then the locking portion 63 is screwed on the end, far from the hooking portion 6212, of the shaft body 6211, so as to achieve locking of the locking member and the locking mechanism.

As shown in fig. 7 to 13, the locking member 6 further includes a base 622, and a t-shaped lock lever 621 is provided in the base 622 and is vertically movable or rotatable with respect to the base 622.

In this embodiment, the T-shaped lock bar 621 is further provided with a driving portion (not shown in the drawings) for driving the hooking portion 6212 to lift or rotate in the vertical direction under the action of an external driving mechanism.

As shown in fig. 7, the lock base 531 has a connection channel 532 extending in a vertical direction, and a catch 533 provided adjacent to the connection channel 532, the connection channel 532 being used for the hanging portion 6212 to move upward in the vertical direction to a position corresponding to the catch 533, the hanging portion 6212 being locked on the catch 533 by rotation.

Preferably, the catch 533 is further provided with a locking guide surface disposed obliquely upward or downward from the connection channel 532. At the same time, the connecting channel 532 matches the shape of the hooking portion 6212.

Further, the lock base 531 includes an outer base and an inner clamping base, the inner clamping base is in threaded connection with the outer base, and the lock groove is formed on the inner clamping base.

Of course, the specific structural form of the T-shaped rotation locking manner is not limited to this structural form in the present embodiment, and may be other structural forms, and is not limited specifically.

According to the long and wide dimensions of the battery pack 4, a locking mechanism is arranged on the quick-change bracket 2, and a locking piece is arranged on the long side wall of the battery pack 4. Each battery accommodating area and each battery pack 4 are correspondingly provided with a plurality of sets of locking mechanisms and locking pieces which are arranged in one-to-one correspondence, the plurality of locking mechanisms are arranged on inner side walls of two sides of the battery accommodating area along the length direction interval of the body 1 of the battery replacing vehicle 100, and the plurality of locking pieces are arranged on side walls of two sides of the battery pack 4 at intervals, so that the battery pack 4 is supported from two sides of the battery pack 4. The locking piece and the locking mechanism are matched along the vertical direction (Z direction) to realize that the battery pack 4 is detachably connected to the quick-change bracket 2, so that the connection stability of the battery pack 4 and the quick-change bracket 2 is guaranteed, and meanwhile, the process of vertically lifting the battery pack 4 is combined with the vertical locking process, so that the locking efficiency is improved. In this embodiment, the locking member is mounted on the long side wall of the battery pack 4, because the long side wall of the battery pack 4 has more space for mounting the locking member, so that a larger number of locking members can be mounted, and the connection stability between the battery pack 4 and the quick-change bracket 2 is further improved.

The locking member in this embodiment is mounted on the upper portion of the long side wall of the battery pack 4, so that the lifting stroke of the battery pack 4 in the mounting process can be shortened, and interference between the battery pack 4 and other structures on the electric vehicle 100 can be avoided. In other alternative embodiments, the locking member may be disposed at a middle lower portion of the long side wall of the battery pack 4, so that the connection point between the battery pack 4 and the quick-change bracket 2 moves downward, thereby improving the stability of the battery pack 4 after being locked on the quick-change bracket 2.

In this embodiment, the quick-change holder 2 further includes a protection plate, which covers the top of the battery pack 4. The protection shield is equipped with the blotter towards one side at battery package 4 top, and the top of battery package 4 is covered with the protection shield, reduces debris such as dust, rainwater and gets into the battery package and holds the district to avoid causing the influence to the performance of battery package 4. The cushion pad can prevent the battery pack from scraping the surface of the battery pack when the battery pack moves, so that the battery pack is protected, and shaking of the battery pack can be reduced.

In other alternative embodiments, the side of the protection plate facing the top of the battery pack 4 is provided with a relief portion, which can be penetrated by a battery pack line to be connected to the vehicle body 1. The vehicle end connector can be arranged on the protective plate, a gap is arranged between the battery pack 4 and the protective plate in the area outside the junction of the vehicle end connector, and the buffer cushion is arranged to compensate the gap, so that the load distribution is ensured to be uniform. In addition, set up in the protection plate and dodge the portion, be convenient for walk the line, also can dodge the interior car end connector of installation of portion, spatial layout is reasonable, avoids taking place the contact interference between car end connector and the protection plate.

The number of the protection plates is plural, and a protection plate is correspondingly arranged at the top of each battery pack 4. On the one hand, the number of the protection plates can be adjusted according to the internal layout of the electric vehicle 100 and the number of the battery packs 4 to adapt to electric vehicles 100 with different models, and on the other hand, when the number of the battery packs 4 is small, the weight of the whole structure can be reduced.

Example 2

As shown in fig. 16, this embodiment discloses another replacement vehicle 100, which is different from embodiment 1 in that the replacement vehicle 100 includes a switch frame 3, the switch frame 3 is located above a vehicle beam 11, and a quick-change bracket 2 is connected to the vehicle beam 11 through the switch frame 3. The connection of the battery pack 4 is made more stable by adding an additional adapter frame 3.

Specifically, the adapter frame 3 includes two relatively parallel longitudinal beams 32 and a plurality of relatively parallel cross beams 31, both ends of the two cross beams 31 are respectively connected with the two longitudinal beams 32, the longitudinal beams 32 extend along the length direction of the vehicle body 1, and the cross beams 31 extend along the width direction of the vehicle body 1.

The rectangular frame formed by the plurality of cross beams 31 and the longitudinal beams 32 not only ensures that the structure of the transfer frame 3 is firm and unexpected, but also ensures that the quick-change bracket 2 is more firm when being connected with the transfer frame 3, and the stability of the connection between the battery pack 4 and the quick-change bracket 2 is increased.

Example 3

As shown in fig. 17, the present embodiment discloses another vehicle 100, which is different from embodiment 1 in that the quick-change bracket 2 includes three independent bracket bodies 21, the three independent bracket bodies 21 being distributed along the length direction of the vehicle body 1, each bracket body 21 forming a battery pack accommodating area; the locking mechanism 5 is provided at a side portion of the bracket body. Each of the independent bracket bodies 21 adopts a frame structure, has high structural strength and is favorable for weight reduction, and specifically, similarly to embodiment 1, each of the bracket bodies 21 has two first support beams 201 disposed at intervals along the length direction of the vehicle body 1 and two second support beams 202 extending along the length direction of the vehicle body 1, and the first support beams 201 and the second support beams 202 are surrounded into a rectangular frame structure. The number of the bracket bodies 21 and the positions of the bracket bodies relative to the vehicle beam 11 can be adjusted according to the internal layout of the battery pack 4 and the internal layout of the battery replacement vehicle 100 so as to adapt to different types of battery replacement vehicles 100, and compared with the arrangement of the integrally processed quick-change bracket 2, the battery replacement vehicle is more flexible.

In other alternative embodiments, a different number of independent bracket bodies 21 may be provided according to actual needs, which is not particularly limited herein.

Example 4

The present embodiment discloses another replacement vehicle 100, which is different from embodiment 1 in that: the quick-change bracket 2 in this embodiment includes two sets of sub-brackets that set up along the length direction interval of automobile body 1, and at least one side of sub-brackets forms the battery package and holds the district, and the sub-bracket includes a plurality of segmentation roof beams that set up along the length direction interval of automobile body 1, and the segmentation roof beam is connected in automobile beam 11, is provided with locking mechanism 5 on the at least lateral wall of segmentation roof beam. The number of the sectional beams can be increased or reduced according to actual needs, the flexibility is high, and the stability of the installation of the battery pack 4 is improved conveniently.

In some cases, the quick-change bracket 2 in embodiment 4 can be regarded as a structure in which the second support beam 202 is omitted from the quick-change bracket in embodiment 1, and in this case, the first support beam 201 in this modification of embodiment 1 can be regarded as a segmented beam.

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:

a vehicle body;

2. The battery powered vehicle of claim 1, wherein the locking member comprises a T-shaped locking lever comprising a shaft body, and further comprising at least one hooking portion extending outwardly from one end of the shaft body, the locking mechanism comprising a lock seat, the locking member being rotationally locked in a locked position of the lock seat by the hooking portion.

3. The battery exchange vehicle according to claim 2, wherein the locking member includes two hitching sections extending in opposite directions from one end of the shaft body, respectively;

Or, the locking piece comprises three hanging parts, the three hanging parts respectively extend from one end of the shaft body along different directions, and included angles are formed between the three hanging parts.

4. The battery exchange vehicle of claim 2, wherein the locking member further comprises a locking portion provided at the other end of the shaft body, the locking portion being configured to restrict rotation of the hooking portion relative to the lock base when the hooking portion is located at the locked position of the lock base.

5. The battery-powered vehicle of claim 4, wherein the anti-loosening portion is configured to limit rotation of the hooking portion relative to the lock base by one of a ratchet pawl, a bead, a snap fit, and a mesh.

6. The battery exchange vehicle of claim 2, wherein the locking member further comprises a base, the T-shaped lock rod is arranged in the base and can be lifted or rotated vertically relative to the base,

and/or the T-shaped lock rod is also provided with a driving part, and the driving part is used for driving the hanging part to lift or rotate along the vertical direction under the action of an external driving mechanism.

7. The battery-powered vehicle according to claim 2, wherein the lock base has a connection passage extending in a vertical direction, and a catching portion provided adjacent to the connection passage, the connection passage being for the hanging portion to move upward in the vertical direction to a position corresponding to the catching portion, the hanging portion being locked to the catching portion by rotation.

8. The battery exchange vehicle according to claim 7, wherein the holding portion is further provided with a guide surface that is provided obliquely upward or downward from the connection passage;

and/or, the connecting channel is matched with the shape of the hanging part.

9. The battery-powered vehicle of claim 1, wherein the number of battery packs is at least two; the locking pieces are arranged in the edge area of each battery pack to be independently locked or unlocked at the bottom of the battery-powered vehicle.

10. The battery-powered vehicle of claim 9, wherein the locking member is further disposed in a middle region of each of the battery packs.

11. The battery-powered vehicle according to claim 10, wherein when the plurality of locking pieces are located in the intermediate region, the plurality of locking pieces are distributed along a length direction or a width direction of the vehicle body;

and/or the locking piece positioned in the middle area is hung at the bottom of the battery-changing vehicle along the height direction of the battery-changing vehicle.

12. The battery-powered vehicle of claim 11, wherein the locking member located in the intermediate region extends through the battery pack.

13. The battery exchange vehicle according to claim 1, wherein the plurality of locking mechanisms are provided in an edge region of the battery pack accommodating region in a longitudinal direction and/or a width direction of a body of the battery exchange vehicle.

14. The battery exchange vehicle of claim 13, wherein the locking mechanism is further disposed in a middle region of the battery pack receiving area.

15. The battery powered vehicle of claim 14, wherein when there are a plurality of locking mechanisms located in the intermediate region, the plurality of locking mechanisms are disposed in a distributed manner along a length direction or a width direction of the vehicle body.

16. The battery-changing vehicle according to claim 1, wherein the quick-change bracket comprises a bracket body, the bracket body is of a frame structure, the bracket body comprises a plurality of first supporting beams arranged at intervals along the length direction of the vehicle body and a plurality of second supporting beams extending along the length direction of the vehicle body, the second supporting beams are respectively connected to two ends of the first supporting beams, the first supporting beams and the second supporting beams are connected and enclosed to form the frame structure, and a space between two adjacent first supporting beams along the length direction of the vehicle body forms the battery pack accommodating area; the locking mechanism is arranged at the side part or the bottom of the first supporting beam.

17. The battery changing vehicle according to claim 1, wherein the locking member is located at or below a middle portion of the battery pack in a height direction of the battery pack.

18. The battery exchange vehicle according to claim 1, wherein the battery pack is located at the bottom of the vehicle beam or the battery pack portion is higher than the lower surface of the vehicle beam in the height direction of the vehicle body.

19. The battery exchange vehicle of claim 1, wherein the quick-change bracket comprises two sets of sub-brackets spaced apart along the length of the body, at least one side of the sub-brackets defining the battery pack receiving area, the sub-brackets comprising a plurality of segmented beams spaced apart along the length of the body, the segmented beams being connected to the vehicle beams, the segmented beams having the locking mechanism disposed thereon.

20. The battery exchange vehicle of claim 1, wherein said quick-change bracket includes a plurality of individual bracket bodies, said plurality of individual bracket bodies being distributed along a length of said body, each of said bracket bodies defining a battery pack receiving area; the locking mechanism is arranged at the side part or the bottom of the bracket body.

21. The battery exchange vehicle of claim 16 or 20, wherein a plurality of the locking mechanisms are oppositely disposed in the battery pack receiving area of the bracket body along the length direction of the vehicle body.

22. The battery powered vehicle of claim 21, wherein at least two of the locking mechanisms are provided on one side of the battery pack receiving area along the length direction of the vehicle body, the at least two locking mechanisms being disposed at intervals along the width direction of the vehicle body.

23. The battery exchange vehicle according to claim 1, wherein the quick-change bracket includes a first connecting beam extending in a longitudinal direction of the vehicle body, and a second connecting beam extending in a direction perpendicular to the ground along the vehicle body, and the quick-change bracket is connected to a side portion of the vehicle beam through the first connecting beam and the second connecting beam.

24. The battery exchange vehicle of claim 23, wherein the quick-change bracket includes a plurality of first reinforcing ribs and a plurality of second reinforcing ribs, the plurality of first reinforcing ribs being disposed in spaced relation between the first connecting beam and the bracket body, the plurality of second reinforcing ribs being disposed in spaced relation between the first connecting beam and the second connecting beam.

25. The battery exchange vehicle of claim 1, wherein the quick-change bracket further comprises a connector assembly including a vehicle end connector and a mounting member, the mounting member being disposed in each of the battery pack receiving areas, the mounting member being connected to the quick-change bracket, the vehicle end connector being disposed on the mounting member.

26. The battery powered vehicle of claim 25, wherein said mounting member includes a support beam and a support plate, said support plate being connected to said quick change bracket by said support beam, said vehicle end connector being disposed on said support plate,

or alternatively, the first and second heat exchangers may be,

27. The battery exchange vehicle of claim 25, wherein the number of said vehicle beams is two, two of said vehicle beams being symmetrically disposed along a central axis of said body in a length direction of said vehicle body, said mounting member being located between two of said vehicle beams.

28. The battery exchange vehicle of claim 1, further comprising a first stop mechanism mounted on the quick-change bracket for mating with a locating hole in the top of the battery pack to locate the battery pack.

29. The battery-powered vehicle according to claim 1, further comprising second stopper mechanisms provided at opposite ends in a longitudinal direction of the vehicle body and opposite ends in a width direction of the vehicle body.

30. The battery-powered vehicle of claim 29, wherein the second spacing mechanism comprises a spacing seat and a spacing member, one of the spacing seat and the spacing member is disposed on the battery pack, the other is disposed on the bracket body, and an elastic sheet is disposed on the spacing seat, and the spacing member contacts the elastic sheet to position the battery pack.

31. The electric vehicle for replacement of claim 30, the end parts of the elastic sheets are obliquely arranged to form a guide inclined plane.

32. The battery exchange vehicle of claim 1, wherein the quick-change bracket further comprises a protective plate that covers the top of the battery pack.

33. The battery exchange vehicle of claim 32, wherein a bumper pad is provided on a side of the protective plate facing the top of the battery pack, and/or an avoidance portion is provided on a side of the protective plate facing the top of the battery pack.

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