CN218536330U

CN218536330U - Quick-change support and battery-replacing vehicle comprising same

Info

Publication number: CN218536330U
Application number: CN202222809237.7U
Authority: CN
Inventors: 张建平; 于新瑞; 王凯枫
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: 2023-02-28
Anticipated expiration: 2032-10-24
Also published as: CN116118462A; CN116001547A; CN116001549A; CN219007568U; CN218536329U; CN116160835A; CN218536331U; CN116118467A; CN218558555U; CN116118451A; CN116039355A; CN218558549U; CN116118458A; CN116252606A; CN218558544U; CN218805181U; CN218558553U; CN116409131A; CN218577490U; CN218558545U

Abstract

The utility model provides a quick change support reaches and trade electric vehicle including it for on installing the battery package and trade electric vehicle, the quick change support includes the support body at least, on the support body was fixed in the automobile body that trades electric vehicle, the support body had a plurality of battery accommodation areas that set up side by side along the length direction of automobile body and was used for a plurality of independent battery packages of fixed mounting, and every battery accommodation area is equipped with locking mechanism separately, locking mechanism is used for supplying every battery package independently to install in the battery accommodation area that corresponds with bolt locking mode. Set up a plurality of battery holding districts on the automobile body support, every battery holding district all can independently install one or more battery package, and the arrangement of battery package is comparatively nimble. Secondly, compare in a monoblock big battery package, adopt the design of small volume, miniwatt to reduce and trade the electric cost, made structural arrangement compact. The locking mechanism locked or unlocked in a bolt locking mode is used for being connected with the battery pack, so that the mounting and dismounting modes are simplified, and the quick-change efficiency is improved.

Description

Quick-change support and battery-changing vehicle comprising same

The present application claims priority from chinese patent application 202210837094.2, filed on 15/07/2022. The present application refers to the above-mentioned chinese patent application in its entirety.

Technical Field

The utility model relates to a car trades the electric field, in particular to electric vehicle's automobile body support and electric vehicle.

Background

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

The general replaceable battery pack is large and heavy, and the replacement difficulty is large. Particularly, for a large vehicle, such as a heavy truck, the vehicle body and the cargo carrying weight are heavy, so that the capacity requirement of the large vehicle on the battery pack is high, and the large vehicle can only run for hundreds of kilometers by using electric energy with enough large capacity. In addition, the reliability and compatibility of a general locking mechanism are poor, time and labor are wasted in disassembly, and the efficiency of replacing the battery pack is not high.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is that battery package weight is big, bulky among the prior art in order to overcome, and the whole degree of difficulty of changing is big, and locking mechanism reliability and compatible relatively poor defect provide a quick change support and contain its battery replacement vehicle.

The utility model discloses an above-mentioned technical problem is solved through following technical scheme:

the utility model provides a trade quick change support of electric vehicle for on installing trade electric vehicle with the battery package, quick change support includes the support body at least, the support body is fixed in trade on the automobile body of electric vehicle, the support body has a plurality of edges the battery accommodation area that the length direction of automobile body set up side by side is used for a plurality of independent battery packages of fixed mounting, and every battery accommodation area is equipped with locking mechanism respectively, locking mechanism is used for supplying every the battery package with bolt locking mode independently install in corresponding in the battery accommodation area.

In this scheme, set up a plurality of battery on the automobile body support and hold the district, every battery holds the district and all can independently installs one or more battery package to can install the battery package of different quantity on electric vehicle as required, with the different power consumption demands of adaptation electric vehicle, consequently the arrangement of battery package is comparatively nimble. Secondly, compare in a monoblock big battery package, the volume and the weight of the battery package in every battery accommodation area are less, and easy to assemble is favorable to the standardization of battery package to and be used for getting to put, transport the battery package trade the electric equipment and can adopt the design of small volume, miniwatt, thereby reduced and traded the electric cost. Furthermore, the plurality of battery packs are arranged along the length direction of the electric vehicle, the width direction space of the whole electric vehicle and part of the length direction space can be fully utilized, and the structural arrangement is compact. The locking mechanism which is locked or unlocked through the bolt locking mode is arranged on the support body to be connected with the battery pack, so that the battery pack can be quickly installed and detached with the support body through vertical direction movement, the installation and detachment mode is simplified, and the quick-change efficiency is improved.

Preferably, the locking mechanism comprises a bolt, and the bolt is used for matching with a nut on the battery pack and realizing locking and unlocking of the battery pack and the bracket body in a bolt locking manner; or the locking mechanism comprises a nut, and the nut is used for being matched with a bolt on the battery pack and realizing locking and unlocking of the battery pack and the support body in a bolt locking mode.

In this scheme, the bolt cooperatees with the nut to the connection stability of battery package has been guaranteed to simple locking mode, makes the battery package connect on the support body along vertical direction through bolt and nut, only needs rotatory certain number of turns can realize the dismouting of battery package, accords with the battery package more and trades the electric logic along vertical direction and trades the electricity, has realized the quick assembly disassembly of battery package. Meanwhile, the space utilization rate of the support body in the horizontal direction is improved.

Preferably, the bolt or the nut is connected to the quick-change bracket in a floating mode.

In this scheme, bolt or nut float and connect on the quick change support, can reduce and trade the electric vehicle and receive to turn to the distortion or the moment of torsion or the vibrations transmission to the battery package when jolting, and then make the battery package receive the moment of torsion or the influence of vibrations reduce.

Preferably, the structure of the bolt locking manner further comprises an anti-rotation retaining structure connected to the bolt and/or the nut to prevent relative rotational movement between the bolt and the nut.

In this scheme, prevent changeing stopping structure and avoided the battery package to be installed to the quick change support on the back, bolt and nut produce relative motion and unblock, and then guaranteed stability, the reliability of battery package and quick change leg joint.

Preferably, the bolt has a first end far away from the nut, and the anti-rotation and anti-backing structure is sleeved on the outer peripheral side of the first end.

In this scheme, adopt above-mentioned structural style, prevent changeing stopping structure cover and establish the one end of keeping away from the nut on the bolt, be convenient for rotate through the restriction bolt and make the bolt keep the locking state after with the nut locking, avoid bolt and nut to produce relative motion, make spatial layout reasonable simultaneously.

Preferably, the anti-rotation backstop structure comprises an inner gear ring and an outer gear ring, the inner gear ring is sleeved on the outer peripheral side of the outer gear ring, the first end is in key connection with the inner surface of the outer gear ring, and the outer gear ring has a first position and a second position;

when the outer gear ring is located at the first position, the inner peripheral surface of the inner gear ring is clamped with the outer peripheral surface of the outer gear ring;

when the outer gear ring is located at the second position, the outer gear ring is separated from the inner gear ring, and the outer gear ring is driven to drive the bolt to rotate so as to realize locking or unlocking with the nut.

In the scheme, the inner gear ring plays roles in connection and limiting by adopting the structural form; the outer gear ring moves to the second position to be separated from the inner gear ring, the outer gear ring located at the second position can rotate freely, the outer gear ring is driven to drive a bolt connected with a key of the outer gear ring to rotate, the bolt and a nut are locked or unlocked, after the locking or unlocking operation is completed, the outer gear ring returns to the first position from the second position, the outer gear ring and the inner gear ring are clamped at the moment, the position of the outer gear ring is fixed, the bolt cannot rotate, the structure is simple and reliable, the realization is convenient, and the quick disassembly and assembly of the battery pack are further realized.

Preferably, the anti-rotation retaining structure further includes an elastic member sleeved on the outer peripheral side of the first end, two ends of the elastic member respectively abut against the extending portion of the outer wall of the bolt and the outer gear ring, and the elastic member is configured to apply an acting force to the outer gear ring to enable the outer gear ring to return from the second position to the first position.

In this scheme, adopt above-mentioned structural style, when outer ring gear to the direction removal that is close to the nut, elastic component pressurized produces compression displacement, and after accomplishing the locking or the unblock of bolt and nut through outer ring gear, under the elastic force effect of elastic component, outer ring gear resets to the primary importance and realizes the joint with the ring gear, the automated control of being convenient for, and the reliability is high.

Preferably, along the length direction and/or the width direction of the vehicle body, a plurality of bolts or nuts arranged at intervals are respectively arranged on two sides of each battery accommodating area, and the bolts or the nuts are used for the battery pack to enter along the height direction of the vehicle body and to be locked in a bolt locking manner.

In the scheme, the bolt and the nut are arranged in the battery accommodating area and can be reliably connected with the battery pack; the bolts and the nuts are positioned on two sides of the battery accommodating area, namely, locking is carried out on two sides of the battery pack, so that loads borne by locking mechanisms on two sides are balanced, and the battery pack is ensured to be stably locked; in addition, through setting up a plurality of locking mechanism, share load and realize multiple insurance for the locking is comparatively reliable.

Preferably, the support body is frame construction, the support body includes a plurality of edges the first supporting beam that automobile body length direction interval set up and a plurality of edges the second supporting beam that automobile body width direction interval set up, first supporting beam with the second supporting beam is connected and is enclosed and close formation frame construction, follows adjacent two on the automobile body length direction the space between the first supporting beam forms battery holding area.

In this scheme, a first supporting beam and a second supporting beam cross arrangement for the structure is firm, and like this, frame construction can realize subtracting the weight under the prerequisite that satisfies support body structural strength rigidity requirement. The first supporting beam divides the support body into a plurality of battery holding areas, and the battery pack can be locked and positioned by means of the first supporting beam and the second supporting beam.

Preferably, the first support beam or the second support beam is provided with the bolt or the nut, and the bolt or the nut is located on the bottom wall of the first support beam or the second support beam, so that the battery pack enters the battery accommodating area from the lower part of the bracket body along the height direction of the vehicle body and is connected with the bolt or the nut.

In this scheme, at the installation of battery package and dismantlement in-process, only need make the battery package produce the displacement of vertical direction, need not additionally to carry out the front and back left and right sides removal to the battery package, can realize the locking of battery package, the operation of being convenient for also is favorable to simplifying the structure of trading electrical equipment.

Preferably, each battery accommodation area is provided with a connecting plate for connecting the first supporting beam and the second supporting beam, the connecting plate is provided with the bolt or the nut, and the bolt or the nut is located on two sides of the connecting plate along the length direction and/or the width direction of the vehicle body, so that the battery pack enters the battery accommodation area from the lower portion of the bracket body along the height direction of the vehicle body and is connected with the bolt or the nut.

In this scheme, be provided with the connecting plate between first supporting beam and the second supporting beam in the battery holds the district, can prevent that the upper surface of battery package from receiving the harm because of the debris that drop, can improve the intensity and the stability of support body simultaneously to be convenient for install the heavier battery package of quality. In addition, in the process of installing and disassembling the battery pack, the battery pack only needs to be displaced in the vertical direction, the battery pack does not need to be additionally moved front, back, left and right, the locking of the battery pack can be realized, the operation is convenient, and the structure of the battery replacing equipment is also favorably simplified.

Preferably, the quick-change support further comprises a switching frame, and the switching frame is respectively connected with the support body and a girder of the vehicle body so as to fix the support body on the girder of the vehicle body.

In this scheme, fix the automobile body support on the automobile body girder through setting up the switching frame for simple to operate and connect stably.

Preferably, the adapter rack at least comprises an adapter plate extending along the vertical direction; the support body is arranged below a girder of the vehicle body and is connected with the side wall of the girder of the vehicle body through the adapter plate extending upwards from the support body; or the support body is arranged above a girder of the vehicle body, and the support body is connected with the side wall of the girder of the vehicle body through the adapter plate extending downwards from the support body.

In this scheme, the keysets can be connected in the lateral part of automobile body girder, compares in the installation of automobile body girder bottom, and automobile body girder's lateral part installation space is great, the assembly operation of being convenient for. Under the condition that the support body is positioned below the vehicle body crossbeam, the support body can be directly installed below the vehicle body, so that the transformation of the existing electric vehicle is facilitated; under the condition that the support body is located the top of automobile body girder, the automobile body girder provides the support for the support body for the fixed comparatively firm of support body.

Preferably, along the length direction of the vehicle body, the length of the adapter plate is not less than that of the bracket body.

In this scheme, the length of keysets is longer than the length of support body or both are the same, guarantees that the support body can reliably be connected to the automobile body girder on, improves the joint strength between support body and the automobile body girder.

Preferably, the adapter plate is connected with the bracket body through a reinforcing assembly, the reinforcing assembly comprises a first reinforcing beam and/or a second reinforcing beam, the first reinforcing beam is obliquely arranged relative to the bracket body, and the second reinforcing beam is arranged on the bracket body in parallel.

In this scheme, install the support body at the lateral part of girder through strengthening the subassembly, installation space is big, and is convenient, can only be provided with first stiffening beam in the reinforcement subassembly, also can only be provided with the second stiffening beam, can also set up these two kinds of stiffening beams simultaneously, further improves the intensity of support body. The first reinforcing beam and the second reinforcing beam can be in the form of beams and also can be in the form of plates, and the specific shape or form of the beam is not limited on the premise that the actual requirement is met.

Preferably, the quick-change bracket comprises two adapter frames, and two adapter plates are connected to the inner sides of the girders of the two vehicle bodies, or two adapter plates are connected to the outer sides of the girders of the two vehicle bodies.

Under the condition that the adapter plates are positioned at the outer side part, the mounting space is large, and the vehicle body bracket is convenient to mount on a vehicle body crossbeam; under the condition that the adapter plate is located on the inner side portion, the adapter plate is surrounded by the vehicle body girder, and the connecting structure is relatively closed and safe, so that the adapter plate is reliably connected with the vehicle body girder.

Preferably, each battery accommodating area is provided with a vehicle-end electric connector facing the battery pack for electrically connecting with the battery pack in the battery accommodating area, and the vehicle-end electric connector is arranged on the connecting plate.

In this scheme, every battery holding district sets up car end electric connector independently so that the battery package in every battery holding district is connected with the quick change support electricity separately and is realized trading the power supply of vehicle to improve the flexibility of battery package installation quantity and mounted position. Meanwhile, the vehicle-end electric connector is arranged on the connecting plate and can be conveniently installed.

Preferably, the connecting plate is further provided with third supporting beams, the third supporting beams are arranged on two sides of the vehicle-end electric connector along the length direction or the width direction of the vehicle body, two ends of each third supporting beam are respectively connected with the first supporting beam or the second supporting beam, and the third supporting beams are provided with positioning mechanisms for positioning the battery packs.

In this scheme, a third supporting beam further plays the reinforcing role for the support body, and positioning mechanism sets up and makes positioning mechanism's height not need very long can realize guiding the battery package installation to target in place at a third supporting beam. Meanwhile, the third supporting beams are positioned on two sides of the vehicle-end electric connector, so that the distance between the positioning mechanisms is larger, and the accurate connection between the battery-end electric connector and the vehicle-end electric connector is facilitated.

Preferably, the bracket body includes bracket split bodies, each of the bracket split bodies includes a plurality of sub-regions arranged side by side along a length direction of the vehicle body, the sub-regions are at least part of the battery accommodating region, and the bracket split bodies are independently mounted on a vehicle body of the battery replacement vehicle or mounted on the vehicle body of the battery replacement vehicle after the bracket split bodies are integrally mounted.

In this scheme, the structure of support components of a whole that can function independently, the volume is also less, consequently arranges more in a flexible way, the electric vehicle of the different models of easy adaptation.

Preferably, the bracket body includes two independent bracket components of a whole that can function independently, two bracket components of a whole that can function independently are located the outside portion of the girder of automobile body respectively, and are located respectively on two bracket components of a whole that can function independently the subregion that corresponds forms jointly the battery holds the district, and the subregion that corresponds all is equipped with the bolt or the nut is in order to connect jointly the battery package.

In this scheme, the support components of a whole that can function independently sets up in the girder outside of automobile body, and installation space is great, easy to operate during the installation, and two automobile body girder inboards need not to set up the support components of a whole that can function independently for the support body that two support components of a whole that can function independently formed is under having sufficient intensity, and weight is lighter, and the space occupies for a short time.

Preferably, the bracket is separated into a single body and is located on the inner side of a girder of the vehicle body, and the bolts or the nuts are arranged in the sub-regions to connect the battery pack.

In this scheme, the support components of a whole that can function independently sets up the inboard at the automobile body girder, and the support components of a whole that can function independently can be fixed with two automobile body girders simultaneously, and connection structure is more reliable, and the automobile body girder can its certain guard action to the support components of a whole that can function independently, and the support body only sets up the automobile body girder inboard for the space in the automobile body girder outside can be reserved for battery package or other automobile body parts, in order to improve space utilization.

A battery replacing vehicle comprises the quick-change bracket.

In this scheme, through using above-mentioned automobile body support, can install the battery package of different quantity as required on electric vehicle, compare in a monoblock big battery package, the volume and the weight of the battery package in every battery holding area are less for get put, transport the battery package trade the design that can adopt little volume, miniwatt to the electricity cost is traded in having reduced. In addition, a plurality of battery packs are arranged along the length direction of the vehicle body, so that the distribution of the battery packs is basically bilaterally symmetrical no matter how many battery packs are arranged, and the gravity load of the vehicle body from the battery packs is also bilaterally symmetrical, so that the load of the electric vehicle can be prevented from inclining leftwards or rightwards, and the smooth running and the service life of the electric vehicle are facilitated. Moreover, the arrangement can fully utilize the width direction space of the whole electric vehicle and part of the length direction space, so that the structural arrangement is compact. The locking mechanism which is locked or unlocked through the bolt locking mode is arranged on the support body to be connected with the battery pack, so that the battery pack can be quickly installed and detached with the support body through vertical movement, the installation and detachment mode is simplified, and the quick-change efficiency is improved.

Preferably, the battery replacement vehicle is an electric truck.

In this scheme, electric truck required power and total energy are all great in the operation, consequently need the great volume battery of adaptation, through using above-mentioned automobile body support, can be with on the battery package adaptation electric truck of small volume to reduce and trade the electric cost.

The utility model discloses an actively advance the effect and lie in: the utility model discloses an automobile body support holds the district through setting up a plurality of batteries that can independently install the battery package to can install the small-size battery package of different quantity as required on electric vehicle, correspondingly, be used for getting, put, transport the battery package trade the battery equipment and can adopt the design of small volume, miniwatt, thereby reduced and trade the electric cost. In addition, the battery pack is fixed on the vehicle body support through the support body, so that the position of the support body relative to a vehicle body girder can be adjusted according to the internal layout of the electric vehicle and the structure of the battery pack to adapt to electric vehicles of different models, and the arrangement of the battery pack is flexible. The utility model discloses an electric vehicle through using above-mentioned automobile body support, can reduce and trade the electric cost, in addition, because the length direction of a plurality of battery package along the automobile body arranges, consequently, no matter how many battery packages set up, the distribution of battery package is bilateral symmetry basically, and the gravity load that the automobile body received and come from the battery package also is bilateral symmetry, can prevent like this that electric vehicle load from the left incline or the right incline, is favorable to electric vehicle's steady operation and life. The locking mechanism which is locked or unlocked through the bolt locking mode is arranged on the support body to be connected with the battery pack, so that the battery pack can be quickly installed and detached with the support body through vertical movement, the installation and detachment mode is simplified, and the quick-change efficiency is improved.

Drawings

Fig. 1 is a schematic structural view of an electric vehicle according to embodiment 1 of the present invention.

Fig. 2 is a schematic structural view of a vehicle body support provided with a battery pack according to embodiment 1 of the present invention.

Fig. 3 is a schematic structural view of a vehicle body mount according to embodiment 1 of the present invention.

Fig. 4 is a schematic structural view of a vehicle body bracket with a battery pack according to another embodiment of the present invention.

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

Fig. 6 is a schematic structural view of an anti-rotation retaining structure according to embodiment 1 of the present invention.

Fig. 7 is a schematic structural view of an electric vehicle according to embodiment 2 of the present invention.

Fig. 8 is a schematic structural view of a vehicle body support with a battery pack according to embodiment 2 of the present invention.

Fig. 9 is a schematic structural view of a vehicle body mount according to embodiment 3 of the present invention.

Description of the reference numerals

Battery pack 10

Vehicle body support 20

Girder 30

Locking mechanism 91

Bolt 92

Extension part 921

Anti-rotation retaining structure 93

Annular gear 931

Internal spur 9311

External gear ring 932

External straight teeth 9321

Elastic member 933

Lock case 94

Locking member 95

Positioning mechanism 50

Support body 1

First support beam 11

Second supporting beam 12

Third support beam 14

Battery receiving region 2

Adapter rack 3

Adapter plate 31

Reinforcing component 32

First reinforcing beam 321

Second reinforcement beam 322

Vehicle end electric connector 4

Positioning pin 5

Support split 6

Sub-region 7

Connecting plate 8

Detailed Description

The present invention will be more clearly and completely described below with reference to the accompanying drawings.

Example 1

Referring to fig. 1 to 3, the present embodiment provides an electric vehicle including a vehicle body and a vehicle body bracket 20 mounted on the vehicle body, and a plurality of battery packs 10 are each mounted on the electric vehicle through the vehicle body bracket 20.

In the present embodiment, the vehicle body support 20 on the vehicle body includes a support body 1, the support body 1 is fixed on the vehicle body of the battery replacement vehicle, the support body 1 has a plurality of battery accommodating areas 2 arranged side by side along the length direction of the vehicle body for fixedly mounting a plurality of independent battery packs 10, and each battery accommodating area 2 is respectively provided with a locking mechanism 91, and the locking mechanism 91 is used for allowing each battery pack 10 to be independently mounted in the corresponding battery accommodating area 2 in a bolt locking manner. Set up the locking mechanism through bolt locking mode locking or unblock in order to connect battery package 10 on support body 1 for battery package 10 removes the quick installation and the dismantlement that can realize battery package 10 and support body 1 through vertical direction, thereby has simplified installation and dismantlement mode, has improved quick change efficiency.

Specifically, the vehicle body has two side members 30, and the vehicle body bracket 20 is fixed to the two side members 30 to achieve mounting on the vehicle body. The vehicle body support 20 comprises a support body 1, the support body 1 is fixed on a vehicle body of an electric vehicle, the support body 1 is provided with three battery accommodating areas 2 which are arranged side by side along the length direction of the vehicle body, and each battery accommodating area 2 can be used for fixedly mounting an independent battery pack 10. Therefore, different numbers of battery packs can be mounted on the battery replacing vehicle according to needs to adapt to different power requirements of the battery replacing vehicle, and the arrangement of the battery packs is flexible. Secondly, compare in a big battery package of monoblock, the volume and the weight of the battery package in every battery accommodation area are less, and easy to assemble is favorable to the standardization of battery package to and be used for getting, put, transport the design that the trade electric equipment of battery package can adopt small-size, miniwatt, thereby reduced and traded the electric cost. Moreover, the plurality of battery packs are arranged along the length direction of the battery replacing vehicle, so that the width direction space and part of the length direction space of the whole battery replacing vehicle can be fully utilized, and the structural arrangement is compact.

As shown in fig. 2, in the present embodiment, each battery housing section 2 is provided with a connecting plate 8 connecting the first support beam 11 and the second support beam 12 in addition to the first support beam 11 and the second support beam 12, and each connecting plate 8 may be sized to correspond to each battery housing section 2 such that a single connecting plate 8 covers the entire battery housing section 2; alternatively, each connecting plate 8 may have a size smaller than each battery receiving region 2 so that the plurality of connecting plates 8 are connected to each other to cover the entire battery receiving region; alternatively, each connecting plate 8 may have a size smaller than that of each battery receiving region 2, a plurality of connecting plates 8 may be connected to the first support beam 11 and/or the second support beam 12, respectively, and a plurality of connecting plates 8 may cover a portion of the battery receiving region 2. Through setting up connecting plate 8, can prevent that the upper surface of battery package 10 from receiving the harm because of the debris that drop, can improve the intensity and the stability of support body 1 simultaneously to battery package 10 that the installation quality is heavier.

In the present embodiment, the locking mechanisms 91 are provided on the connecting plate 8, the locking mechanisms 91 are provided on both sides of the connecting plate 8 along the length direction and the width direction of the vehicle body, the connecting plate 8 has a relatively large area, the locking mechanisms 91 are easily provided, and the battery pack 10 is easily connected to the locking mechanisms 91.

As shown in fig. 4, in another embodiment, the bracket body 1 may be a frame structure, and the bracket body 1 includes a plurality of first support beams 11 spaced apart in the vehicle body length direction and a plurality of second support beams 12 spaced apart in the vehicle body width direction. The first support beam 11 and the second support beam 12 are connected and enclosed to form a frame structure, and a space between two adjacent first support beams 11 in the length direction of the vehicle body forms the battery accommodating area 2. The first support beam 11 and the second support beam 12 are arranged to cross each other, so that the structure is stable. In this embodiment, the first supporting beam 11 divides the rack body 1 into a plurality of battery accommodation areas 2, and the locking mechanism 91 in each battery accommodation area 2 may be disposed on the bottom wall of the first supporting beam 11 or the second supporting beam 12, so as to realize that the battery pack 10 enters the battery accommodation area 2 from the lower side of the rack body along the height direction of the vehicle body and is connected with the locking mechanism 91 in a bolt locking manner. Further, a locking piece 24 corresponding to the locking mechanism 91 is arranged on the battery pack 10, and the locking piece 24 and the locking mechanism 91 are matched together to realize a bolt locking mode. That is, the lock 24 is connected to the lock mechanism 91 during the bottom-up movement of the lock 24 in the rotational direction. The locking piece 24 only needs to rotate a certain number of turns, and the battery pack 10 only needs the displacement of vertical direction, can realize the locking of battery pack 10, the operation of being convenient for.

When the bracket body 1 is a frame structure, an electrical connector mounting plate may be provided on the first support beam 11 or the second support beam 12 for mounting the vehicle-end electrical connector 4. The electrical connector mounting plate is disposed over the first support beam 11 or the second support beam 12 and faces the battery receiving area 2, or at least one end of the electrical connector mounting plate is connected to the first support beam 11 or the second support beam 12 and extends toward the inside of the battery receiving area 2. The electric connector mounting plate for mounting the vehicle-end electric connector 4 is arranged on the first support beam 11 or the second support beam 12, and the spatial layout is reasonable; in addition, the electric connector mounting panel strides towards battery accommodation area 2 and establishes for car end electric connector 4 can be located battery accommodation area 2 top, and the in-process that battery package 10 got into battery accommodation area 2 and realized the locking, and the butt joint is realized with car end electric connector 4 that is located battery accommodation area 2 to battery package 10, and it is convenient to install.

As an alternative embodiment, the battery accommodating section 2 includes a plurality of sub-accommodating sections arranged side by side in the width direction of the vehicle body, and the first supporting beam 11 or the second supporting beam 12 or the connecting plate 8 in each sub-accommodating section is provided with a locking mechanism, so that each sub-accommodating section can be independently provided with a battery pack, that is, each battery accommodating section 2 can be provided with a plurality of small-sized battery packs, thereby further reducing the volume and weight of a single battery pack, reducing the requirement for a power exchanging device, and reducing the power exchanging cost. For example, in the embodiment shown in fig. 1, each battery receiving area can be divided into three sub-receiving areas along the transverse direction of the vehicle body, and each sub-receiving area is provided with a small battery pack, so that the vehicle body bracket can simultaneously mount nine independent battery packs. The number of sub-receiving areas in the respective battery receiving areas 2 on the same body support can be different, for example, the battery receiving area at the forefront of the body can have three sub-receiving areas, and the battery receiving area in the middle can have only two receiving areas. On the premise of satisfying the installation of the battery pack, the number and the arrangement mode of the sub-containing areas can be adjusted at will by a person skilled in the art.

Referring to the embodiment shown in fig. 2 and 3, each battery housing section 2 is provided with a plurality of locking mechanisms 91 along the length direction of the vehicle body, and the locking mechanisms 91 allow the locking pieces 24 of the battery packs 10 to enter and lock in the height direction of the vehicle body. Specifically, the lock mechanism 91 is mounted only on the link plate 8. The locking mechanism 91 is arranged in the battery accommodating area 2 and can be reliably connected with the battery pack 10; the locking mechanism 91 is positioned at the edge part of the connecting plate 8, and correspondingly, the locking piece 24 is positioned at the edge part of the battery pack 10, so that the load borne by the locking mechanism 91 is balanced, and the battery pack 10 is ensured to be stably locked; in addition, by arranging the plurality of locking mechanisms 91, load is shared, multiple insurance is realized, and locking is reliable.

As shown in fig. 5 and 6, the locking mechanism 91 in this embodiment includes a nut, and correspondingly, the locking member 95 includes a bolt 92, so that the nut can be used to cooperate with the bolt on the battery pack 10 to achieve locking and unlocking of the battery pack 10 and the bracket body 1 through a bolt locking manner. The locking of the bolts between the battery pack 10 and the battery replacement vehicle is realized through the matching between the bolts 92 and the nuts, the locking mode is simple and convenient, and the locking efficiency is favorably improved. The nut may be directly disposed on the bracket body 1, such as welded on the bracket body 1, or connected to the bracket through another adapter mechanism, such as connected to the bracket body 1 through a mounting seat.

In another embodiment, when the locking mechanism 91 is disposed on the first support beam 11 or the second support beam 12, and the first support beam 11 or the second support beam 12 has a sufficient thickness, the locking mechanism 91 may be integrally disposed with the first support beam 11 or the second support beam 12, specifically, a threaded hole is opened on the bottom wall of the first support beam 11 or the second support beam 12 to be cooperatively connected with the bolt 92.

In order to reduce the torque or vibration transmitted to the battery pack 10 when the battery replacement vehicle is subjected to steering distortion or bumping, and avoid the damage caused by the torque on the connection between the locking mechanism and the locking member, in this embodiment, the nut may be floatingly connected to the bracket body 1, for example, a plurality of springs may be arranged at intervals along the circumferential direction of the nut, and the other end of each spring is connected to the bracket body 1.

Further, the nut and the bolt are disposed at corresponding positions, in one embodiment, the nut is disposed on the bottom wall of the first support beam or the second support beam, and correspondingly, the bolt 92 is disposed on the peripheral side of the battery pack 101 so as to be engaged with the nut. In another embodiment, a nut is disposed on the connecting plate, correspondingly, the bolt 92 is disposed at a middle position of the battery pack 101, and the bolt 92 penetrates through the battery pack 10 or a working hole is disposed on the battery pack 10, so that a special tool can enter the working hole to apply a force to the bolt to lock or unlock the nut.

The locking piece 95 further comprises an anti-rotation retaining structure 93, and the anti-rotation retaining structure 93 is connected to the bolt 92 to prevent relative rotation between the bolt 92 and the nut, so that after the battery pack is mounted on the quick-change support, the bolt 92 and the nut are relatively fixed and then move relatively to unlock the quick-change support, and stability and reliability of connection between the battery pack 10 and the support body 1 are guaranteed. In another embodiment, an anti-rotation backstop structure 93 is attached to the nut to prevent relative rotational movement between the bolt 92 and the nut, or alternatively, an anti-rotation backstop structure 93 is attached to both the bolt 92 and the nut.

As shown in fig. 6, the bolt 92 has a first end distal to the nut and a second end facing the nut, the nut having internal threads, and the corresponding second end of the bolt having external threads to mate with the nut. The first end of bolt links to each other with the battery package, and prevents that rotation stopping structure 93 covers locates the periphery side of first end, is convenient for rotate through the restriction bolt and makes the bolt keep the locking state after with the nut locking, avoids bolt and nut to produce relative motion, makes spatial layout reasonable simultaneously.

The anti-rotation retaining structure 93 comprises an inner gear ring 9392 and an outer gear ring 932, the inner gear ring 9392 is sleeved on the outer peripheral side of the outer gear ring 932, a first end of a bolt is connected with an inner surface key of the outer gear ring 932, and the outer gear ring 932 has a first position and a second position; when the outer gear ring 932 is positioned at the first position, the inner circumferential surface of the inner gear ring 9392 is clamped with the outer circumferential surface of the outer gear ring 932; when the external gear ring 932 is located at the second position, the external gear ring 932 is disengaged from the internal gear ring 9392, and the external gear ring 932 is driven to drive the bolt 92 to rotate so as to realize locking or unlocking with the nut. The inner gear ring 9392 plays a role in connection and limitation relative to the outer gear ring 932; the outer gear ring 932 is driven to move to the second position to be separated from the inner gear ring 9392, the outer gear ring 932 positioned at the second position can rotate freely, the bolt 92 connected with the outer gear ring 932 in a key mode is driven to rotate, the bolt 92 and the nut are locked or unlocked, after the locking or unlocking operation is completed, the outer gear ring 932 is driven to the first position from the second position, the outer gear ring 932 is connected with the inner gear ring 9392 in a clamped mode at the moment, the position of the outer gear ring 932 is fixed, the bolt 92 cannot rotate, the structure is simple, reliable and convenient to achieve, and the battery pack 10 is further rapidly disassembled and assembled.

The anti-rotation and anti-retreat structure 93 further comprises an elastic piece 933 sleeved on the outer periphery of the first end, two ends of the elastic piece 933 are respectively abutted to the extending part 921 of the outer wall of the bolt 92 and the outer gear ring 932, and the elastic piece 933 is used for applying acting force to the outer gear ring 932 to enable the outer gear ring 932 to be reset to the first position from the second position. When the outer gear ring 932 moves towards the direction close to the nut, the elastic piece 933 is pressed to generate compression displacement, and after the locking or unlocking of the bolt 92 and the nut is completed through the outer gear ring 932, under the elastic force action of the elastic piece 933, the outer gear ring 932 resets to the first position and is clamped with the inner gear ring 9392, so that the automatic control is facilitated, and the reliability is high. The elastic member 933 is a spring.

Specifically, inner straight teeth 93921 distributed circumferentially are arranged on the inner peripheral side of the inner gear ring 9392, outer straight teeth 9392 distributed circumferentially are arranged on the outer peripheral side of the outer gear ring 932, and when the outer gear ring 932 is located at the first position, the inner gear ring 9392 and the outer gear ring 932 are engaged with each other through the inner straight teeth 93921 and the outer straight teeth 9392 to achieve clamping. The locking member further comprises a lock case 94, and the bolt 92, the elastic member 933, the inner gear ring 9392 and the outer gear ring 932 are sequentially accommodated in the lock case 94, wherein the part of the external thread of the bolt 92 in threaded connection with the nut extends out of the lock case 94, the extending part 921 is positioned in the lock case 94, and the lock case 94 protects the internal parts and limits the internal parts.

When unlocking, the outer gear ring 932 is pushed along the axial direction of the bolt 92 to move towards the direction close to the nut so as to be separated from the inner gear ring 9392, so that the outer straight teeth 9392 of the outer gear ring 932 are separated from the engagement of the inner straight teeth 93921 of the inner gear ring 9392, the outer gear ring 932 moves from the first position to the second position, and the bolt 92 is driven to rotate relative to the nut by rotating the outer gear ring 932 until the bolt 92 is separated from the nut, so that the battery pack 10 and the bracket body 1 are unlocked. When the external gear ring 932 is located at the second position, the elastic member 933 is pressed to deform, and after the unlocking of the battery pack 10 and the bracket body 1 is completed, the pushing force of the external gear ring 932 is removed, and the elastic member 933 can restore to deform to push the external gear ring 932 to return to the first position. During locking, the outer gear ring 932 is pushed along the axial direction of the bolt 92 to move towards the direction close to the nut so as to be separated from the inner gear ring 9392, the outer gear ring 932 is moved from the first position to the second position, the bolt 92 is driven to rotate relative to the nut by rotating the outer gear ring 932 until the locking torque of the bolt 92 and the nut is met, and the bolt 92 and the nut are locked. Similarly, when the external gear ring 932 is located at the second position, the elastic member 933 is pressed to deform, and after the battery pack 10 and the bracket body 1 are unlocked, the pushing force of the external gear ring 932 is removed, and the elastic member 933 can restore to deform to push the external gear ring 932 to return to the first position, so that the external gear ring 932 is engaged with the internal gear ring 9392 to limit the rotation of the bolt 92, and the locking and anti-loosening function is completed.

Of course, in other embodiments, the nut 91 may be provided on the battery pack and the bolt 92 may be provided on the bracket body 1.

In order to reduce the transmission of torque or vibration to the battery pack 10 when the battery replacement vehicle is subjected to steering distortion or bumping, and to prevent the connection between the locking mechanism and the locking member from being damaged due to the torque, the bolt 92 may be floatingly connected to the bracket body 1.

In another embodiment, the mounting positions of the positioning pins and the positioning holes can be interchanged, that is, the positioning holes are arranged on the second support beam 12, the positioning pins are arranged on the battery pack 10, and the guiding and the alignment of the battery pack 10 and the body bracket 20 during the mounting process are realized through the cooperation of the positioning holes and the positioning pins.

Of course, in other embodiments, the positioning mechanism 50 may be any other mechanism that can achieve the same positioning function.

The body bracket 20 further includes adapter brackets 3, and the adapter brackets 3 respectively connect the bracket body 1 and the girder 30 of the body to fix the bracket body 1 to the girder 30 of the body. The vehicle body support is fixed on the vehicle body girder through the switching frame, so that the installation is convenient and the connection is stable. In other embodiments, the body bracket 20 is also directly connected to the body member 30 (e.g., by bolts), thereby further improving the degree of connection between the bracket body 1 and the body member 30 and simplifying the structure.

Referring to fig. 3 and 4, in the present embodiment, the adaptor bracket 3 includes at least an adaptor plate 31 extending in a vertical direction, and for efficient space utilization and assembly convenience, the adaptor plate 31 may be connected to a side portion of the vehicle body girder 30, the bracket body 1 is disposed below the vehicle body girder 30, and the bracket body 1 is connected to a side wall of the vehicle body girder 30 through the adaptor plate 31 extending upward from the bracket body 1. Under the condition that the support body 1 is located below the vehicle body girder 30, the support body 1 can be directly installed below the vehicle body, so that the transformation of the existing electric vehicle is facilitated.

In some embodiments, the bracket body 1 is disposed above a girder 30 of a vehicle body, and the bracket body 1 is connected to a sidewall of the girder 30 of the vehicle body by an adapter plate 31 extending downward from the bracket body 1. Under the condition that the bracket body 1 is positioned above the vehicle body girder 30, the vehicle body girder 30 provides support for the bracket body 1, so that the bracket body 1 is firmly fixed.

Along the length direction of the vehicle body, the length of the adapter plate 31 is not less than that of the support body 1, the length of the adapter plate 31 is longer than that of the support body 1 or the length of the adapter plate and the length of the support body 1 are the same, the support body 1 can be reliably connected to the vehicle body girder 30, and the connection strength between the support body 1 and the vehicle body girder 30 is improved.

The adapter plate 31 is connected with the bracket body 1 through the reinforcing component 32, the reinforcing component 32 comprises a first reinforcing beam 321 and a second reinforcing beam 322, the first reinforcing beam 321 is obliquely arranged relative to the bracket body 1 and connected between the adapter plate 31 and the bracket body 1, and the second reinforcing beam 322 is arranged on the bracket body 1 in parallel and connected with the adapter plate 31 and the bracket body 1 respectively. The bracket body 1 is arranged on the side part of the girder 30 through the reinforcing assembly 32, so that the mounting space is large, convenience is realized, the two reinforcing beams can be arranged simultaneously, and the strength of the bracket body 1 is further improved. The first reinforcing beam 321 and the second reinforcing beam 322 may be in the form of beams, plates, pipes, profiles, and the like, and the specific shape or form of the "beam" is not limited in the present disclosure on the premise of meeting the actual requirement. For example, referring to fig. 1 to 4, the first reinforcing beam 321 is a triangular plate, and the second reinforcing beam 322 is a rectangular plate.

In the present embodiment, a plurality of first reinforcing beams 321 are provided at intervals in the longitudinal direction of the vehicle body. The position of the first reinforcing beam 321 may correspond to the position of the first support beam 11, for example, a first reinforcing beam 321 is respectively disposed on two sides of the first support beam 11 along the length direction of the vehicle body.

It is understood that in some embodiments, only the first reinforcing beam 321 or only the second reinforcing beam 322 may be provided in the reinforcing assembly 32, and both of them may serve to reinforce the connection reliability between the body bracket 20 and the body bracket 20.

In the present embodiment, the adapter frames 3 are connected to the outer sides of both the side members 30, and in the case where the adapter plates 31 are located at the outer side portions, the installation space is large, facilitating the installation of the body frame 20 on the body side member 30.

In some other embodiments, the adapter frame 3 can be connected to the inside of two girders 30, for example, only one adapter frame 3 can be provided, and the adapter frame 3 is located between two girders 30 and is connected to both girders 30. As an alternative embodiment, the body bracket 20 includes two adapter frames 3, and both adapter plates 31 are connected to inner side portions of the two body girders 30. The adapter frame 3 is surrounded by the body frame 30, and the connecting structure is relatively closed and safe, so that the connection between the adapter frame 3 and the body frame 30 is relatively reliable.

In each battery receiving region 2, a vehicle-end electrical connector 4 facing the battery pack 10 is provided on the connecting plate 8 for electrical connection with the battery pack 10 located in the battery receiving region 2. The connecting plate 8 provides a mounting surface for the vehicle-end electrical connector 4, and the vehicle-end electrical connector 4 can be electrically connected with the battery-end electrical connector of the battery pack 10. The adapter plate 31 extends in the vertical direction, and is convex compared with the bracket body 1, so that a mounting space is provided for the vehicle-end electric connector 4 arranged on the connecting plate 8, and meanwhile, the second support beam 12 clamped in the middle of the adapter plate 31 can be strengthened.

Further, in addition to the above-described locking mechanism 91, the battery housing section 2 may be provided with a positioning mechanism 50 for positioning with the battery pack 10 along the length direction or the width direction of the vehicle body. In other embodiments, the positioning mechanism 50 may be provided in both the longitudinal direction and the width direction of the vehicle body.

The connecting plate 8 is further provided with a third supporting beam 14, the third supporting beam 14 is arranged on two sides of the vehicle-end electric connector along the length direction of the vehicle body, two ends of the third supporting beam 14 are respectively connected with the adjacent first supporting beams 11, and the third supporting beam 14 further plays a role in reinforcing the support body 1. Further, a positioning mechanism 50 for positioning with the battery pack 10 may be provided on the third support beam 14. The positioning mechanism 50 may be a positioning pin 5, and the positioning pin 5 may be fittingly inserted into the positioning hole of the battery pack 10, thereby achieving positioning of the battery pack 10 and the vehicle body bracket 20. The positioning mechanism 50 can guide the battery pack 10 when the battery pack 10 is mounted on the bracket body 1, so as to avoid mounting failure of the battery pack 10 due to inaccurate alignment as much as possible, thereby improving the mounting efficiency of the battery pack 10.

The electric vehicle of the embodiment can install different numbers of battery packs 10 on the electric vehicle as required by applying the vehicle body bracket 20, compared with a whole large battery pack 10, the size and weight of the battery pack 10 in each battery accommodation area 2 are smaller, and the battery replacing equipment for taking, placing and transporting the battery packs 10 can adopt a small-size and low-power design, so that the battery replacing cost is reduced.

The electric vehicle of the embodiment is preferably an electric truck, the electric truck needs a large power and total energy during operation, so that a large-volume battery needs to be adapted, and a small volume can be adapted to the electric truck by applying the body bracket 20, so that the battery replacement cost is reduced.

Example 2

Fig. 7 to 8 show embodiment 2 of the present invention, which is substantially the same as embodiment 1, except that the bracket body 1 of the present invention includes a plurality of bracket sub-bodies 6, each bracket sub-body 6 has a plurality of sub-regions 7 arranged side by side along the length direction of the vehicle body, the sub-regions 7 are a part of the battery accommodation region 2, and the bracket sub-bodies 6 are independently mounted on the vehicle body of the electric vehicle or mounted on the vehicle body of the electric vehicle after the plurality of bracket sub-bodies 6 are integrally mounted. The support split 6 is independent in structure and small in size, so that the arrangement is more flexible, and the support split is easily adapted to electric vehicles of different models.

Similarly to embodiment 1, the bracket division body 6 is also a frame structure, and includes a plurality of first support beams 11 arranged at intervals along the length direction of the vehicle body and two second support beams 12 arranged at intervals along the width direction of the vehicle body, the plurality of first support beams 11 are connected between the two second support beams 12 to form a frame structure in an enclosing manner, and the space between the two adjacent first support beams 11 along the length direction of the vehicle body forms the sub-region 7. Referring to fig. 8 and 9, a connecting plate 8 for mounting the vehicle-end electrical connector 4 is further provided between the two second supporting beams 12 of one of the bracket sub-bodies 6. In the present embodiment, the connecting plate 8 is provided with a third supporting beam 14, and two third supporting beams 14 are arranged in each subregion at intervals along the length direction of the vehicle body, that is, the third supporting beams 14 extend along the width direction of the vehicle body, so as to further reinforce the frame structure. Accordingly, the positioning pins 5 are provided on the third support beam 14 so that two positioning pins 5 are positioned for each battery pack 10 to guide the mounting of the battery pack to the bracket split body. The size of the connecting plate 8 may be the same as the battery receiving area 2 of the bracket division 6 so that a single connecting plate 8 covers the entire battery receiving area 2; alternatively, a plurality of connecting plates 8 may be connected to the first support beam 11 and/or the second support beam 12 and/or the third support beam 14, respectively, and the plurality of connecting plates 8 may cover a portion of the battery housing section 2.

In this embodiment, the bracket body 1 includes two independent bracket sub-bodies 6, the two bracket sub-bodies 6 are respectively located at the outer side portions of the girder 30 of the vehicle body, and corresponding sub-regions respectively located on the two bracket sub-bodies 6 jointly form the battery accommodating region 2, and the corresponding second support beams 12 are both provided with locking mechanisms 91 to jointly connect the battery packs 10. The support split bodies 6 are arranged on the outer sides of the girders 30 of the vehicle body, so that the mounting space is large, the operation is easy during mounting, and the inner sides of the two vehicle body girders are not required to be provided with the support split bodies, so that the support body formed by the two support split bodies has enough strength, light weight and small occupied space.

The adapter frame 3 is arranged between the bracket split body 6 and the girder 30, the adapter frame 3 of the embodiment is similar to that of the embodiment 1, the adapter frame 3 has an adapter plate 31, the adapter plate 31 is connected with the bracket body 1 through a reinforcing assembly 32, and the reinforcing assembly 32 includes a first reinforcing beam 321 extending obliquely, specifically, the first reinforcing beam 321 is a triangular plate.

Example 3

As shown in fig. 9, the present embodiment is similar to embodiment 2, except that the body frame 20 includes a frame division body 6, the frame division body 6 is a single body and is located at an inner side portion of the side member 30 of the body, and a locking mechanism 91 is provided in each sub-region to connect the battery pack 10. The support components of a whole that can function independently 6 set up the inboard at automobile body girder 30, support components of a whole that can function independently 6 can be fixed with two automobile body girders 30 simultaneously, and connection structure is more reliable, and automobile body girder 30 can its certain guard action to support components of a whole that can function independently 6, and the support body only sets up automobile body girder inboard for the space in the automobile body girder outside can be reserved for battery package or other automobile body parts, in order to improve space utilization.

Although specific embodiments of the present invention have been described above, it will be understood by those skilled in the art that this is by way of example only, and that 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 spirit and the principles of the present invention, and these changes and modifications are all within the scope of the present invention.

Claims

1. The utility model provides a trade quick change support of electric vehicle for on installing trade electric vehicle with the battery package, its characterized in that, quick change support includes the support body at least, the support body is fixed in trade on the automobile body of electric vehicle, the support body has a plurality of edges the battery accommodation area that the length direction of automobile body set up side by side is used for a plurality of independent battery packages of fixed mounting, and every battery accommodation area is equipped with locking mechanism respectively, locking mechanism is used for supplying every battery package with bolt locking mode independently install in corresponding in the battery accommodation area.

2. The quick-change bracket according to claim 1, wherein the locking mechanism includes a bolt, the bolt is used for matching with a nut on the battery pack and realizing the locking and unlocking of the battery pack and the bracket body through the bolt locking manner;

or the locking mechanism comprises a nut, and the nut is used for being matched with a bolt on the battery pack and realizing locking and unlocking of the battery pack and the bracket body in a bolt locking mode.

3. The quick-change holder according to claim 2, characterized in that the bolt or nut is floatingly connected to the quick-change holder.

4. The quick-change holder according to claim 2, wherein the bolt-locking arrangement further comprises an anti-rotation backstop arrangement connected to the bolt and/or nut to prevent relative rotational movement between the bolt and the nut.

5. The quick-change holder according to claim 4, wherein the bolt has a first end remote from the nut, and the anti-rotation retaining structure is sleeved on an outer peripheral side of the first end.

6. The quick-change bracket according to claim 5, wherein the anti-rotation and anti-backing structure comprises an inner gear ring and an outer gear ring, the inner gear ring is sleeved on the outer peripheral side of the outer gear ring, the first end is in key connection with the inner surface of the outer gear ring, and the outer gear ring has a first position and a second position;

7. The quick-change holder according to claim 6, wherein the anti-rotation and anti-backing structure further comprises an elastic member sleeved on the outer periphery of the first end, two ends of the elastic member respectively abut against the extension of the outer wall of the bolt and the outer gear ring, and the elastic member is used for applying a force to the outer gear ring to restore the outer gear ring from the second position to the first position.

8. The quick-change support according to claim 2, characterized in that along the length direction and/or the width direction of the vehicle body, a plurality of bolts or nuts arranged at intervals are respectively arranged on two sides of each battery accommodating area, and the bolts or nuts are used for the battery pack to enter along the height direction of the vehicle body and to be locked in a bolt locking manner.

9. The quick-change bracket according to claim 2, wherein the bracket body is a frame structure, the bracket body includes a plurality of first supporting beams spaced along the length direction of the vehicle body and a plurality of second supporting beams spaced along the width direction of the vehicle body, the first supporting beams and the second supporting beams are connected to form the frame structure, and the space between two adjacent first supporting beams along the length direction of the vehicle body forms the battery accommodating area.

10. The quick-change bracket according to claim 9, characterized in that the first support beam or the second support beam is provided with the bolt or the nut, and the bolt or the nut is positioned on the bottom wall of the first support beam or the second support beam, so that the battery pack enters the battery accommodating area from below the bracket body along the height direction of the vehicle body and is connected with the bolt or the nut.

11. The quick-change bracket according to claim 9, characterized in that each battery receiving area is provided with a connecting plate for connecting the first support beam and the second support beam, the connecting plate is provided with the bolt or the nut, and the bolt or the nut is positioned on two sides of the connecting plate along the length direction and/or the width direction of the vehicle body, so that the battery pack enters the battery receiving area from below the bracket body along the height direction of the vehicle body and is connected with the bolt or the nut.

12. The quick-change bracket according to claim 9, further comprising adapter brackets that respectively connect the bracket body and the girders of the vehicle body to secure the bracket body to the girders of the vehicle body.

13. The quick-change holder according to claim 12, wherein the adapter rack comprises at least an adapter plate extending in a vertical direction;

the support body is arranged below a girder of the vehicle body and is connected with the side wall of the girder of the vehicle body through the adapter plate extending upwards from the support body; or the support body is arranged above a girder of the vehicle body and is connected with the side wall of the girder of the vehicle body through the adapter plate extending downwards from the support body.

14. The quick-change holder according to claim 13, wherein the adapter plate has a length no less than the length of the holder body along the length of the vehicle body.

15. The quick-change holder according to claim 13, characterized in that the adapter plate is connected to the holder body by a reinforcement assembly, which comprises a first reinforcement beam and/or a second reinforcement beam, the first reinforcement beam being arranged obliquely with respect to the holder body, and the second reinforcement beam being arranged parallel to the holder body.

16. The quick-change bracket according to claim 13, characterized in that it comprises two adapter brackets, both adapter plates being connected to the inner sides of the girders of both vehicle bodies or both adapter plates being connected to the outer sides of the girders of both vehicle bodies.

17. The quick-change holder according to claim 11, wherein a vehicle-end electrical connector facing the battery pack is provided in each battery receiving area for making electrical connection with the battery pack located in the battery receiving area, the vehicle-end electrical connector being provided on the connecting plate.

18. The quick-change bracket according to claim 17, wherein the connecting plate is further provided with third supporting beams, the third supporting beams are arranged on two sides of the vehicle-end electric connector along the length direction or the width direction of the vehicle body, two ends of each third supporting beam are respectively connected with the first supporting beam or the second supporting beam, and the third supporting beam is provided with a positioning mechanism for positioning the battery pack.

19. The quick-change bracket according to claim 9, wherein the bracket body comprises bracket sub-bodies, each bracket sub-body is provided with a plurality of sub-areas which are arranged side by side along the length direction of the vehicle body, the sub-areas are at least part of the battery accommodating area, and the bracket sub-bodies are independently mounted on the vehicle body of the electric-exchange vehicle or mounted on the vehicle body of the electric-exchange vehicle after the plurality of bracket sub-bodies are integrally mounted.

20. The quick-change support according to claim 19, wherein the support body comprises two independent support sub-bodies, the two support sub-bodies are respectively located at the outer side part of a girder of the vehicle body, the corresponding sub-regions respectively located on the two support sub-bodies jointly form the battery accommodating region, and the bolts or the nuts are arranged in the corresponding sub-regions to jointly connect the battery pack.

21. The quick-change bracket according to claim 20, wherein the bracket is separated into a single part and is positioned on the inner side of a girder of the vehicle body, and the bolt or the nut is arranged in each sub-area to connect the battery pack.

22. A replacement vehicle, characterized in that the replacement vehicle comprises a quick-change bracket according to any one of claims 1 to 21.

23. The battery replacement vehicle of claim 22, wherein the battery replacement vehicle is an electric truck.