CN218558545U

CN218558545U - Quick-change support and battery-changing vehicle comprising same

Info

Publication number: CN218558545U
Application number: CN202222802961.7U
Authority: CN
Inventors: 张建平; 于新瑞; 刘猛
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: 2023-03-03
Anticipated expiration: 2032-10-24
Also published as: CN116118463A; CN116252606A; CN116039355A; CN218558554U; CN116118458A; CN218577491U; CN218558555U; CN218558549U; CN116118465A; CN116118456A; CN218558553U; CN219007568U; CN218558544U; CN116118467A; CN116118462A; CN218536329U; CN116001547A; CN218536331U; CN116160835A; CN116118451A

Abstract

The utility model provides a quick change support and contain its trade electric vehicle, the quick change support includes the support body, the support body has a plurality of battery package holding areas that set up side by side along the automobile body width direction that trades electric vehicle and is used for a plurality of independent battery packages of fixed mounting, and every battery package holding area is equipped with locking mechanism separately, locking mechanism is used for supplying every the battery package is installed in corresponding through bolt locking mode in the battery package holding area. The quick-change bracket in the utility model is provided with a plurality of battery packs through a plurality of battery pack accommodating areas, and each independent battery pack has smaller relative volume and weight, is convenient to install and is beneficial to the standardization of the battery pack; each independent battery pack can be matched with and provided with different numbers of battery packs according to the power consumption required by the battery replacing vehicle, and the compatibility is strong; the battery pack can be quickly installed and disassembled by moving in the vertical direction, so that the installation and disassembly modes are simplified, and the quick-change efficiency is improved.

Description

Quick-change support and battery-replacing vehicle comprising same

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

Technical Field

The utility model relates to a quick change support and contain its trade electric vehicle.

Background

The battery pack arrangement mode of the existing battery replacement vehicle is generally divided into a fixed type and a quick-change type, wherein the fixed type battery is generally fixed on the vehicle, and the vehicle is directly used as a charging object during charging. The quick-change battery pack is generally fixed to a bracket of the vehicle by means of a movable mounting. The battery pack of the power shortage can be removed and the battery pack of the full power can be mounted on the vehicle to individually perform the replacement or charging operation of the battery pack. And after the replaced battery pack is charged, the battery pack is installed on the vehicle again.

Wherein, for the battery package of quick change formula, holistic battery package is big and heavy, and the change degree of difficulty is big. 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 be supported to run for hundreds of kilometers by using electric energy with enough large capacity. In addition, in the process of dismounting the whole battery pack on the battery replacing vehicle, due to the fact that the whole battery pack is large in size and the number of corresponding locking mechanisms is large, the difficulty that all the locking mechanisms lock and unlock simultaneously is relatively high, and the bearing requirement and the precision requirement of the battery replacing equipment are high.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a quick change support and contain its trade electric vehicle in order to overcome among the prior art the great above-mentioned defect of the degree of difficulty when changing monoblock battery package.

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

the utility model provides a quick change support for trade electric vehicle, the quick change support includes the support body, the support body has a plurality of edges the battery package holding area that the automobile body width direction who trades electric vehicle set up side by side is used for a plurality of independent battery packages of fixed mounting, and every battery package holding area is equipped with locking mechanism separately, locking mechanism is used for supplying every the battery package is installed in corresponding through bolt locking mode in the battery package holding area.

In the scheme, the structure is adopted, the plurality of battery packs are respectively installed through the plurality of battery pack accommodating regions, on the one hand, the plurality of independent battery packs are adopted, and compared with a whole large battery pack in the traditional design, under the condition that the battery replacing vehicle needs the same capacity, the independent battery packs are smaller in relative volume and weight, so that the battery pack is convenient to install and beneficial to standardization of the battery packs; in the second aspect, compared with the transportation of a whole battery pack, each independent battery pack does not need large transportation equipment to transport the battery packs after being separated, and the requirements on power exchange equipment are reduced; in the third aspect, each independent battery pack can be matched with and provided with different quantities of battery packs according to the electricity consumption required by the battery replacing vehicle, and the compatibility is strong. In addition, the plurality of battery packs are arranged along the width direction of the vehicle body of the battery replacement vehicle, the structural arrangement is compact, the battery packs can be better arranged by utilizing the spaces between the vehicle body beams and the spaces on two sides of the vehicle body beams, the installation space is saved, and the locking mechanism is arranged in each battery pack accommodating area, so that each battery pack is conveniently fixed in the corresponding battery pack accommodating area, and the independent installation among the battery packs is realized; in the fourth aspect, a locking mechanism which is locked or unlocked through a bolt locking mode is arranged on the support body to connect 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 modes are 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, adopt above-mentioned structural style, realize the battery package and trade the bolt locking between the electric vehicle through the cooperation between bolt and the nut, the locking mode is simple and convenient, is favorable to improving locking efficiency.

Preferably, the bolt or the nut is floatingly connected to the bracket body.

In this scheme, adopt above-mentioned structural style, the connection of floating 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 support body when jolting, and then makes the support body receive the influence of moment of torsion or vibrations to 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, adopt above-mentioned structural style, prevent changeing stopping structure and avoided the battery package by the back on the quick change support is installed to the quick change support, bolt and nut produce relative motion and unblock, and then guaranteed stability, the reliability of battery package and quick change support connection.

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 retaining 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 is moved 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 bolt connected with the outer gear ring in a key mode is driven to rotate, the bolt and the 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 battery pack is convenient to achieve, and the battery pack is further rapidly disassembled and assembled.

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 that is close to the nut removed, the 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 a length direction and/or a width direction of a vehicle body of the battery replacement vehicle, a plurality of locking mechanisms arranged at intervals are respectively arranged on two sides of the battery pack accommodating area.

In the scheme, the locking mechanisms are positioned on at least two sides of the battery pack accommodating area, so that two sides of the battery pack can be connected with the battery pack accommodating area, and balance is improved; in addition, set up a plurality of locking points between battery package and support body, fix the battery package in the battery package accommodation area through a plurality of locking mechanism to improve reliability and stability of battery package locking in quick change support.

Preferably, a limiting mechanism is arranged between the quick-change bracket and the battery pack along the length direction and/or the width direction of the vehicle body of the battery replacement vehicle, and the limiting mechanism is used for limiting the degree of freedom of the battery pack in the battery pack accommodating area along the length direction and/or the width direction of the vehicle body of the battery replacement vehicle.

In this scheme, adopt above-mentioned structural style, realize through stop gear that the battery package is spacing at the width direction and/length direction of automobile body, reduce or avoid rocking of battery package, especially reduce rocking of battery package when trading electric vehicle driving in-process.

Preferably, the bracket body is a frame structure, the bracket body is provided with a plurality of first mounting beams arranged at intervals along the length direction of the vehicle body of the battery replacement vehicle and a plurality of second mounting beams arranged at intervals along the width direction of the vehicle body of the battery replacement vehicle, the first mounting beams and the second mounting beams are connected and enclosed to form the frame structure, and the battery pack accommodating area is formed in the area between two adjacent second mounting beams.

In this scheme, adopt above-mentioned structural style, first installation roof beam and second installation roof beam are connected and are enclosed and close formation frame construction, improve the intensity of support body. In addition, the space between two adjacent second mounting beams is used as a battery pack accommodating area, and the space layout is reasonable.

Preferably, two adjacent second mounting beams are respectively provided with the corresponding locking mechanism, and the locking mechanisms are located at the bottoms of the second mounting beams, so that the battery pack enters the battery pack accommodating area from the lower part of the bracket body along the height direction of the vehicle body of the battery replacement vehicle and is connected with the locking mechanisms in the bolt locking manner.

In this scheme, adopt above-mentioned structural style, the battery package realizes the connection of battery package and locking mechanism from bottom to top motion's in-process, and the battery package only needs the displacement of vertical direction, need not additionally to carry out all around to the battery package and removes, can realize the locking of battery package, the operation of being convenient for.

Preferably, the quick-change bracket further comprises a connecting piece, and the connecting piece is fixed on the bracket body and is used for being connected with a vehicle body of the electric vehicle.

In this scheme, adopt above-mentioned structural style, fix the support body on trading electric vehicle through the connecting piece, the connection effect is stable.

Preferably, the vehicle body comprises two vehicle beams extending along the length direction of the vehicle body, and the connecting piece is provided with a first connecting beam extending along the width direction of the vehicle body and bridging between the two vehicle beams.

In this scheme, adopt above-mentioned structural style, first tie beam bridge joint is between two car roof beams to realize the connection of connecting piece and automobile body, the connection effect is stable. In addition, the first connecting beam extends along the width direction of the vehicle body, and materials are saved.

Preferably, the bracket body is arranged below the vehicle beams, the first connecting beam is bridged at the tops of the two vehicle beams, and the connecting piece is further provided with a connecting block which is fixed on the bracket body and extends upwards from the bracket body to the first connecting beam;

or the support body is arranged above the vehicle beams, the first connecting beam is bridged at the bottoms of the two vehicle beams, and the connecting piece is further provided with a connecting block which is fixed on the support body and extends downwards from the support body to the first connecting beam.

In this scheme, adopt above-mentioned structural style, realize being connected between first connecting beam and the support body through the connecting block, make full use of roof beam top or the space of below can avoid occuping other spaces, are favorable to improving the spatial layout rationality, especially to the space utilization of roof beam below, can be with more leaving in the space above the roof beam for loading the goods.

Preferably, the number of the connecting blocks is two, and the two connecting blocks are respectively abutted against the side walls of the two vehicle beams.

In this scheme, adopt above-mentioned structural style, the connecting block sets up with the lateral wall butt of car roof beam, improves the stability that connecting block and car roof beam are connected.

Preferably, the bracket body is arranged below the vehicle beams, the first connecting beam is bridged at the bottoms of the two vehicle beams, the first connecting beam is positioned between the vehicle beams and the bracket body, the upper end of the first connecting beam is connected to the bottom of the vehicle beam, and the lower end of the first connecting beam is connected to the bracket body;

or the support body is arranged above the vehicle beams, the first connecting beam is bridged at the tops of the two vehicle beams, the first connecting beam is positioned between the vehicle beams and the support body, the lower end of the first connecting beam is connected to the tops of the vehicle beams, and the upper end of the first connecting beam is connected to the support body.

In this scheme, adopt above-mentioned structural style, the both ends of first tie-beam are connected respectively in car roof beam and support body, and the installation of being convenient for is favorable to improving assembly efficiency, and simple structure, the processing of being convenient for.

Preferably, the number of the first connecting beams is at least two, and the first connecting beams are respectively arranged corresponding to the first mounting beams.

In this scheme, adopt above-mentioned structural style, realize being connected between support body and the car roof beam through two at least first tie beams, effectively improve the stability of connecting, avoid trading the in-process of traveling of electric vehicle, the support body drops from the car roof beam. In addition, the extending direction of the first connecting beam is the same as the extending direction of the first mounting beam, so that the mounting stability of the first connecting beam is improved, and the compactness of the whole quick-change bracket is improved.

Preferably, the vehicle body comprises two vehicle beams extending along the length direction of the vehicle body;

the support body is arranged below the vehicle beam and is connected with the side wall of the vehicle beam through a first connecting piece extending upwards from the support body; or the support body is arranged above the vehicle beam and is connected with the side wall of the vehicle beam through a first connecting piece extending downwards from the support body.

In the scheme, the first connecting piece is connected with the side wall of the vehicle beam to fix the support body and the vehicle beam by adopting the structural form, so that the assembly efficiency is improved; and, first connecting piece is installed in the lateral wall of car roof beam to avoid taking up car roof beam height space, make support body below or top have bigger space, be favorable to the installation of battery package or the loading of goods, thereby improve the spatial layout rationality.

Preferably, the number of the first connecting pieces is multiple, a second connecting beam is arranged between the multiple first connecting pieces, and the second connecting beam is connected to the side walls of the two car beams.

In this scheme, adopt above-mentioned structural style, realize the fixed of car roof beam and support body through a plurality of first connecting pieces, improve the stability of being connected between car roof beam and the support body. In addition, a second connecting beam is connected between the first connecting pieces, and the strength of the connecting pieces is improved.

Preferably, the first connecting member is connected with the bracket body through a reinforcing beam, the reinforcing beam 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, adopt above-mentioned structural style, strengthen the connection between first connecting piece and the support body through the stiffening beam, reduce or avoid first connecting piece to break away from the support body.

Preferably, each battery pack accommodating area is provided with an electrical connector for electrically connecting with the battery pack in the battery pack accommodating area.

In this scheme, through set up electric connector in every battery package holds the district, each battery package of being convenient for realizes trading the independent power supply of electric vehicle to satisfy the branch case demand.

Preferably, an electrical connector mounting plate is arranged on the first mounting beam or the second mounting beam forming the battery pack accommodating area, and the electrical connector mounting plate extends from the first mounting beam or the second mounting beam to the inside of the battery pack accommodating area for mounting the electrical connector.

In the scheme, by adopting the structural form, the electric connector mounting plate for mounting the electric connector is arranged on the first mounting beam or the second mounting beam, and the spatial layout is reasonable; in addition, the electric connector mounting plate extends towards the inside of the battery pack accommodating area, so that the electric connector can be arranged in the battery pack accommodating area, the battery pack enters the battery pack accommodating area to realize the locking process, the battery pack is butted with the electric connector in the battery pack accommodating area, and the installation is convenient and fast.

Preferably, the electric connector mounting panel includes installation department and connecting portion, the installation department orientation battery package accommodation area and its at least one end are connected with connecting portion, connecting portion certainly the tip downwardly extending of installation department and with first installation roof beam or the second installation roof beam links to each other.

In this scheme, adopt above-mentioned structural style, constitute the electric connector mounting panel through interconnect's installation department and connecting portion, strengthen the intensity of electric connector mounting panel. In addition, connecting portion extend downwards and connect in first installation roof beam or second installation roof beam from the tip of installation department, reserve installation space for the battery package, avoid electric connector mounting panel and battery package to take place the contact and interfere.

Preferably, the electrical connector is disposed on the mounting portion, and the mounting portion is further provided with the locking mechanism, and the locking mechanism is disposed on one side or two sides of the electrical connector.

In this scheme, adopt above-mentioned structural style, further add locking mechanical system on the installation department to increase the joint strength of battery package and support body.

Preferably, the quick-change bracket further comprises a shielding portion detachably connected with the bracket body, and the shielding portion is disposed above the bracket body and covers at least the electrical connector.

In this scheme, adopt above-mentioned structural style, realize electric connector's waterproof rain-proof dustproof through occlusion part to avoid electric connector's damage.

Preferably, the bracket body comprises a plurality of bracket split bodies, each bracket split body can form the battery pack accommodating area, and the bracket split bodies are independently mounted on the body of the battery replacement vehicle or mounted on the body of the battery replacement vehicle after being integrally mounted.

In this scheme, adopt above-mentioned structural style, can increase or reduce the quantity of support components of a whole that can function independently according to actual need, the flexibility ratio is high.

The utility model also provides a trade electric vehicle, trade electric vehicle include a plurality of battery package and as above the quick change support, every the battery package is fixed in correspond on the quick change support in the battery package holds the district.

In the scheme, the structure is adopted, the plurality of battery packs are respectively installed through the plurality of battery pack accommodating regions, on the one hand, the plurality of independent battery packs are adopted, and compared with a whole large battery pack in the traditional design, under the condition that the battery replacing vehicle needs the same capacity, the independent battery packs are smaller in relative volume and weight, so that the battery pack is convenient to install and beneficial to standardization of the battery packs; in the second aspect, compared with the transportation of the whole battery pack, the independent battery packs do not need to adopt large transportation equipment to transport the battery packs after being separated into boxes, so that the requirement on power exchange equipment is reduced; in the third aspect, each independent battery pack can be matched with and provided with different quantities of battery packs according to the electricity consumption required by the battery replacing vehicle, and the compatibility is strong. In addition, the plurality of battery packs are arranged along the width direction of the vehicle body of the battery replacing vehicle, the structure arrangement is compact, the battery packs can be better arranged by utilizing the space between the vehicle body beams and the space on two sides of the vehicle body beams, the installation space is saved, and the locking mechanism is arranged in each battery pack accommodating area, so that each battery pack is convenient to be respectively fixed in the corresponding battery pack accommodating area, and the independent installation among the battery packs is realized.

Preferably, the battery replacement vehicle is an electric truck.

In this scheme, adopt above-mentioned structural style, as the large-scale electric truck who trades electric vehicle, because the capacity demand to the battery package is higher, with the battery package after the case setting, conveniently change the battery package, it is laborsaving when changing the battery package.

The utility model discloses an actively advance the effect and lie in:

the utility model provides a quick change support receives the district through a plurality of batteries and installs a plurality of battery package respectively, and on the one hand, adopt a plurality of independent battery package, compare a whole big battery package in traditional design, under the condition that trades the electric vehicle and need same capacity, each independent battery package relative volume and weight are littleer, easy to assemble, are favorable to the standardization of battery package; in the second aspect, compared with the transportation of the whole battery pack, the independent battery packs do not need to adopt large transportation equipment to transport the battery packs after being separated into boxes, so that the requirement on power exchange equipment is reduced; in the third aspect, the independent battery packs can be matched with different numbers of battery packs according to the electricity consumption required by the battery replacing vehicle, and the compatibility is strong. In addition, the plurality of battery packs are arranged along the width direction of the vehicle body of the battery replacement vehicle, the structural arrangement is compact, the battery packs can be better arranged by utilizing the spaces between the vehicle body beams and the spaces on two sides of the vehicle body beams, the installation space is saved, and the locking mechanism is arranged in each battery pack accommodating area, so that each battery pack is conveniently fixed in the corresponding battery pack accommodating area, and the independent installation among the battery packs is realized; in the fourth aspect, a locking mechanism which is locked or unlocked through a bolt locking mode is arranged on the support body to connect the battery pack, so that the battery pack can be quickly installed and disassembled with the support body through vertical movement, the installation and disassembly modes are simplified, and the quick-change efficiency is improved.

Drawings

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

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

Fig. 3 is a schematic structural view of another angle of the quick-change holder according to embodiment 1 of the present invention.

Fig. 4 is a schematic structural diagram of an electric vehicle according to embodiment 1 of the present invention.

Fig. 5 is an installation schematic diagram of the quick-change bracket according to embodiment 1 of the present invention.

Fig. 6 is a schematic structural view of a battery pack according to embodiment 1 of the present invention.

Fig. 7 is a schematic structural view of a quick-change bracket according to embodiment 2 of the present invention.

Fig. 8 is an assembly schematic diagram of the quick-change holder and the battery pack according to embodiment 2 of the present invention.

Fig. 9 is a schematic structural view of a battery replacement vehicle according to embodiment 2 of the present invention.

Fig. 10 is an installation schematic diagram of a quick-change bracket according to embodiment 2 of the present invention.

Fig. 11 is a schematic structural view of a quick-change holder according to embodiment 3 of the present invention.

Fig. 12 is an assembly diagram of a quick-change holder and a battery pack according to embodiment 3 of the present invention.

Fig. 13 is a schematic structural view of a battery replacement vehicle according to embodiment 3 of the present invention.

Fig. 14 is an installation diagram of a quick-change bracket according to embodiment 3 of the present invention.

Fig. 15 is an assembly diagram of the bolt according to embodiment 1 of the present invention.

Fig. 16 is a schematic structural view of an anti-rotation retaining structure according to embodiment 1 of the present invention.

Description of reference numerals:

quick-change bracket 1

Bracket body 11

First mounting beam 111

Second mounting beam 112

Battery pack receiving region 113

Locking mechanism 114

Limiting mechanism 116

First limit part 1161

Connecting piece 12

First connection beam 121

Connecting block 122

First connecting member 123

Second connecting beam 124

Stiffening Beam 125

First stiffening Beam 1251

Second stiffening Beam 1252

Electrical connector 13

Electrical connector mounting plate 14

Mounting part 141

Connecting part 142

Shielding part 15

Battery pack 2

Bolt 21

Extension 211

Anti-rotation retaining structure 22

Ring gear 221

Inner straight tooth 2211

Outer gear ring 222

External straight tooth 2221

Elastic member 223

Lock case 23

Battery replacement vehicle 3

Vehicle body 31

Vehicle beam 311

Detailed Description

The present invention will be more clearly and completely described below by way of examples and with reference to the accompanying drawings, but the present invention is not limited thereto.

Example 1

Referring to fig. 1 to 6, an embodiment of the present invention provides a quick-change bracket 1 for changing an electric vehicle 3. As shown in fig. 1, 2 and 4, the quick-change bracket 1 includes a bracket body 11, the bracket body 11 has a plurality of battery pack accommodating areas 113 arranged side by side along a width direction of a vehicle body 31 of the electric vehicle 3 for fixedly mounting a plurality of independent battery packs 2, and each battery pack accommodating area 113 is provided with a locking mechanism 114, and each battery pack accommodating area 114 is used for allowing each battery pack 2 to be independently mounted in the corresponding battery pack accommodating area 113 in a bolt locking manner. The plurality of battery packs 2 are respectively installed in the plurality of battery pack accommodating areas 113, and on the first hand, compared with a whole large battery pack in the traditional design, the plurality of independent battery packs 2 are adopted, so that the independent battery packs 2 are relatively smaller in size and weight under the condition that the battery replacing vehicle 3 needs the same capacity, the installation is convenient, and the standardization of the battery packs is facilitated; in the second aspect, compared with the transportation of the whole battery pack, each independent battery pack 2 does not need large transportation equipment to transport the battery packs after being separated into boxes, so that the requirement on power exchange equipment is reduced; in the third aspect, the independent battery packs 2 can be matched with different numbers of battery packs 2 according to the electricity consumption required by the battery replacing vehicle 3, and the compatibility is strong. In addition, the plurality of battery packs 2 are arranged along the width direction of the battery replacing vehicle 3, the structural arrangement is compact, the battery packs 2 can be arranged by better utilizing the space between the vehicle body beams and the space on two sides, the installation space is saved, and the locking mechanism 114 is arranged in each battery pack accommodating area 113, so that the battery packs 2 are conveniently fixed in the corresponding battery pack accommodating areas 113 respectively, and the independent installation of the battery packs 2 is realized; in the fourth aspect, the locking mechanism 114 locked or unlocked by the bolt is arranged on the bracket body 11 to connect the battery pack 2, so that the battery pack 2 can be quickly mounted and dismounted with the bracket body 11 by moving in the vertical direction, the mounting and dismounting modes are simplified, and the quick-change efficiency is improved.

As shown in fig. 1 and 3, a plurality of locking mechanisms 114 are provided at intervals on both sides of the battery pack accommodating area 113 along the longitudinal direction of the vehicle body 31 of the battery replacement vehicle 3. The locking mechanisms 114 are positioned at two sides of the battery pack accommodating area 113, that is, the locking points are positioned at two sides of the battery pack 2, so that two sides of the battery pack 2 can be connected with the battery pack accommodating area 113, and the balance is improved; in addition, a plurality of locking points are arranged between the battery pack 2 and the bracket body 11, and the battery pack 2 is fixed in the battery pack accommodating area 113 through a plurality of locking mechanisms 114, so that the reliability and the stability of locking the battery pack 2 in the quick-change bracket 1 are improved. In other embodiments, as an alternative means, a plurality of locking mechanisms 114 arranged at intervals are respectively arranged on two sides of the battery pack accommodating area 113 along the width direction of the vehicle body 31 of the battery replacement vehicle 3. Alternatively, a plurality of locking mechanisms 114 arranged at intervals are respectively arranged on two sides of the battery pack accommodating area 113 along the length direction of the vehicle body 31 of the battery replacement vehicle 3; along trading automobile body 31 width direction of electric vehicle 3, the both sides of battery package holding area 113 also are equipped with the locking mechanical system 114 that a plurality of intervals set up respectively, and the battery package 2 all is fixed in the battery package holding area 113 through locking mechanical system 114 all around, and the locking effect is stable, further prevents dropping of battery package 2.

As shown in fig. 3 and 6, a limiting mechanism 116 is disposed between the quick-change bracket 1 and the battery pack 2 along the length direction of the vehicle body 31 of the battery replacing vehicle 3, and the limiting mechanism 116 is used for limiting the degree of freedom of the battery pack 2 in the battery pack accommodating area 113 along the width direction of the vehicle body 31 of the battery replacing vehicle 3. The limiting mechanism 116 is used for limiting the battery pack 2 in the width direction of the vehicle body 31, so that the shaking of the battery pack 2 is reduced or avoided, and particularly the shaking of the battery pack 2 is reduced in the running process of the battery replacing vehicle. Specifically, the limiting mechanism 116 includes a first limiting portion 1161 and a second limiting portion (not shown in the figure) that are matched with each other, the bracket body 11 is provided with a first protruding block as the first limiting portion 1161, the side wall of the battery pack 2 is provided with a second protruding block as the second limiting portion, and the first limiting portion 1161 is abutted against the second limiting portion, so that the limiting of the battery pack 2 is realized.

In other embodiments, as an alternative means, a limiting mechanism 116 is arranged between the quick-change bracket 1 and the battery pack 2 along the width direction of the vehicle body 31 of the battery replacement vehicle 3, the limiting mechanism 116 is used for limiting the degree of freedom of the battery pack 2 in the battery pack accommodating area 113 along the length direction of the vehicle body 31 of the battery replacement vehicle 3, and the limiting of the battery pack 2 in the length direction of the vehicle body 31 is realized through the limiting mechanism 116, so that the shaking of the battery pack 2 is reduced or avoided. Or, a limiting mechanism 116 is arranged between the quick-change bracket 1 and the battery pack 2 along the length direction of the vehicle body 31 of the battery replacement vehicle 3, and the limiting mechanism 116 is used for limiting the degree of freedom of the battery pack 2 in the battery pack accommodating area 113 along the width direction of the vehicle body 31 of the battery replacement vehicle 3; a limiting mechanism 116 is arranged between the quick-change bracket 1 and the battery pack 2 along the width direction of the vehicle body 31 of the battery replacement vehicle 3, and the limiting mechanism 116 is used for limiting the degree of freedom of the battery pack 2 in the battery pack accommodating area 113 along the length direction of the vehicle body 31 of the battery replacement vehicle 3. Realize battery package 2 spacing at the length direction and the width direction of automobile body 31 through stop gear 116, effectively avoid rocking of battery package 2, improve the stability of battery package 2 installation.

As shown in fig. 1 and fig. 2, the bracket body 11 is a frame structure, the bracket body 11 has a plurality of first mounting beams 111 spaced along a length direction of the vehicle body 31 of the battery replacement vehicle 3 and a plurality of second mounting beams 112 spaced along a width direction of the vehicle body 31 of the battery replacement vehicle 3, the first mounting beams 111 and the second mounting beams 112 are connected to form a frame structure, and a battery pack accommodating area 113 is formed in an area between two adjacent second mounting beams 112. The first mounting beam 111 and the second mounting beam 112 are connected and enclosed to form a frame structure, so that the strength of the bracket body 11 is improved. In addition, the space between two adjacent second mounting beams 112 is used as the battery pack accommodating area 113, and the space layout is reasonable.

Specifically, the number of the first mounting beams 111 is two, the number of the second mounting beams 112 is four, and each of the second mounting beams 112 is connected between the two first mounting beams 111 to form three battery pack receiving areas 113, and the battery pack receiving area 113 located in the middle is disposed opposite to the vehicle body 31.

As shown in fig. 3 and fig. 6, two adjacent second mounting beams 112 forming the same battery pack accommodating area 113 are respectively provided with corresponding locking mechanisms 114, in this embodiment, the second mounting beams 112 are hollow, and the locking mechanisms 114 are located at the bottom of the second mounting beams 112, so that the battery pack 2 enters the battery pack accommodating area 113 from below the bracket body 11 along the height direction of the vehicle body 31 of the battery exchanging vehicle 3 and is connected with the locking mechanisms 114. In the motion process of battery package 2 from bottom to top, realize being connected of battery package 2 and locking mechanism 114, battery package 2 only needs the displacement of vertical direction, need not additionally to carry out all around removal to battery package 2, can realize the locking of battery package 2, the operation of being convenient for.

The embodiment discloses a structure corresponding to a bolt locking manner, and particularly as shown in fig. 15 to 16, the structure of the bolt locking manner is used for detachably connecting a battery pack and a quick-change bracket.

In the present embodiment, the locking mechanism 114 includes a nut (not shown in the drawings) for cooperating with the bolt 21 on the battery pack 2 and locking and unlocking the battery pack 2 and the bracket body 11 by means of bolt locking. Realize battery package 2 and trade the bolt locking between the electric vehicle 3 through the cooperation between nut and the bolt 21, the locking mode is simple and convenient, is favorable to improving locking efficiency. In other embodiments, the bracket body 11 is directly provided with a threaded hole matched with the bolt.

The nut is directly disposed on the bracket body 11 (for example, welded), or the nut is disposed on the bracket body 11 through another adapter, for example, the nut is fixed on the bracket body 11 through a mounting seat.

As shown in fig. 6, the side wall of the battery pack 2 is provided with a protruding plate extending in a direction away from the battery pack 2, a connection seat is mounted on the upper surface of the protruding plate, and a bolt 21 passes through the connection seat to be mounted on the battery pack 2. Alternatively, the bolt 21 may be directly mounted on the extension plate.

The nut is connected to the support body 11 in a floating mode, and the floating connection can reduce the transmission of torque or vibration to the support body 11 when the battery replacing vehicle 3 is subjected to steering distortion or jolt, so that the influence of the torque or the vibration on the support body 11 is reduced.

The structure of the bolt locking manner further includes a rotation-preventing retaining structure 22, and the rotation-preventing retaining structure 22 is connected to the bolt 21 to prevent relative rotational movement between the bolt 21 and the nut. The anti-rotation retaining structure 22 prevents the battery pack 2 from being mounted on the quick-change bracket 1, and the bolt 21 and the nut move relatively to unlock the quick-change bracket 1, so that the stability and reliability of the connection between the battery pack 2 and the quick-change bracket 1 are ensured. In other embodiments, anti-rotation backstop structure 22 may be provided on the nut, or anti-rotation backstop structure may be provided on both the nut and the bolt 21.

In the embodiment, the bolt 21 has a first end far away from the nut, and the rotation-preventing and retaining structure 22 is sleeved on the outer periphery of the first end. Prevent changeing retaining structure 22 cover and establish the one end of keeping away from the nut on bolt 21, be convenient for rotate through restriction bolt 21 and make bolt 21 keep the locking state after with the nut locking, avoid bolt 21 and nut to produce relative motion, make spatial layout reasonable simultaneously.

The anti-rotation retaining structure 22 comprises an inner gear ring 221 and an outer gear ring 222, wherein the inner gear ring 221 is sleeved on the outer peripheral side of the outer gear ring 222, the first end of the inner gear ring is connected with the inner surface key of the outer gear ring 222, and the outer gear ring 222 has a first position and a second position; when the outer gear ring 222 is located at the first position, the inner circumferential surface of the inner gear ring 221 is clamped with the outer circumferential surface of the outer gear ring 222; when the outer gear ring 222 is located at the second position, the outer gear ring 222 is disengaged from the inner gear ring 221, and the outer gear ring 222 is driven to rotate the bolt 21 to realize locking or unlocking with the nut. The inner gear ring 221 plays roles in connection and limiting; the outer gear ring 222 is moved to the second position to be separated from the inner gear ring 221, the outer gear ring 222 located at the second position can rotate freely, the bolt 21 connected with the outer gear ring 222 in a key mode is driven to rotate, the bolt 21 and the nut are locked or unlocked, after the locking or unlocking operation is completed, the outer gear ring 222 returns to the first position from the second position, the outer gear ring 222 is connected with the inner gear ring 221 in a clamping mode at the moment, the position of the outer gear ring 222 is fixed, the bolt 21 cannot rotate, the structure is simple, reliable and convenient to achieve, and quick dismounting and mounting of the battery pack 2 are further achieved.

The anti-rotation retaining structure 22 further includes an elastic member 223 sleeved on the outer periphery of the first end, two ends of the elastic member 223 respectively abut against the extension portion 211 of the outer wall of the bolt 21 and the outer gear ring 222, and the elastic member 223 is used for applying an acting force to the outer gear ring 222 to restore the outer gear ring 222 from the second position to the first position. When the outer gear ring 222 moves towards the direction close to the nut, the elastic member 223 is pressed to generate compression displacement, and after the locking or unlocking of the bolt 21 and the nut is completed through the outer gear ring 222, under the action of the elastic force of the elastic member 223, the outer gear ring 222 resets to the first position and is clamped with the inner gear ring 221, so that the automatic control is facilitated, and the reliability is high. Wherein, the elastic member 223 is a spring.

Specifically, inner straight teeth 2211 distributed circumferentially are arranged on the inner peripheral side of the inner gear ring 221, outer straight teeth 2221 distributed circumferentially are arranged on the outer peripheral side of the outer gear ring 222, and when the outer gear ring 222 is located at the first position, the inner gear ring 221 and the outer gear ring 222 are clamped through meshing of the inner straight teeth 2211 and the outer straight teeth 2221. The bolt locking mode structure further comprises a lock case 23, and the bolt 21, the elastic member 223, the inner gear ring 221 and the outer gear ring 222 are sequentially accommodated in the lock case 23, wherein a thread portion of the bolt 21 in threaded connection with a nut extends out of the lock case 23, the extending portion 211 is located inside the lock case 23, and the lock case 23 protects internal components and limits the internal components.

When unlocking, the outer gear ring 222 is pushed along the axial direction of the bolt 21 to move towards the direction close to the nut so as to be separated from the inner gear ring 221, so that the outer straight teeth 2221 of the outer gear ring 222 are separated from the meshing of the inner straight teeth 2211 of the inner gear ring 221, the outer gear ring 222 is moved from the first position to the second position, the bolt 21 is driven to rotate relative to the nut by rotating the outer gear ring 222 until the bolt 21 is separated from the nut, the battery pack 2 and the quick-change support 1 are unlocked, and the elastic piece 223 pushes the outer gear ring 222 to return to the first position. During locking, the outer gear ring 222 is pushed along the axial direction of the bolt 21 to move towards the direction close to the nut so as to be separated from the inner gear ring 221, and the outer gear ring 222 is rotated to drive the bolt 21 to rotate relative to the nut until the locking torque of the bolt 21 and the nut is met, so that the bolt 21 and the nut are locked; the elastic member 223 pushes the outer gear ring 222 to return to the first position, so that the outer gear ring 222 is engaged with the inner gear ring 221 to limit the rotation of the bolt 21, thereby completing the locking and anti-loosening function.

In addition, the bolts 21 may also be floatingly connected to the battery pack 2, and the floating connection can reduce the transmission of torque or vibration to the battery pack 2 when the battery replacement vehicle 3 is subjected to steering distortion or bumping, so that the influence of the torque or vibration on the battery pack 2 is reduced.

In another embodiment, the mounting positions of the bolt 21 and the nut may be interchanged, that is, the locking mechanism 114 includes the bolt 21, the bolt 21 is used to match with a nut (not shown) on the battery pack 2, and the locking and unlocking of the battery pack 2 and the bracket body 11 are realized by a bolt locking manner. The bolts 21 are connected to the bracket body 11 in a floating manner, so that the transmission of torque or vibration to the bracket body 11 when the battery replacing vehicle 3 is subjected to steering distortion or jolt can be reduced through the floating connection, and the influence of the torque or the vibration on the bracket body 11 is further reduced.

In addition, the nut can also be connected to the battery pack 2 in a floating manner, and the floating connection can reduce the transmission of torque or vibration to the battery pack 2 when the battery changing vehicle 3 is subjected to steering torsion or bumpiness, so that the influence of the torque or the vibration on the battery pack 2 is reduced.

Specifically, set up first bulge block as first spacing portion 1161 on the lateral wall of being close to battery package accommodation area 113 in first installation roof beam 111 and the second installation roof beam 112, set up on the lateral wall of battery package 2 with the second bulge block that first bulge block corresponds the setting is as the spacing portion of second, and the stop gear 116 of constituteing through first spacing portion 1161 and the spacing portion of second is compressed tightly between battery package 2 and support body 11, is favorable to improving the stability of battery package 2 when installing in battery package accommodation area 113. Preferably, the upper end of the second limiting part is provided with a guide surface, the guide surface gradually extends in a direction away from the battery pack 2 from top to bottom, and in the process that the battery pack 2 is mounted on the bracket body 11 from bottom to top, the guide surface firstly contacts the first limiting part 1161, so that the risk of hard collision between the battery pack 2 and the bracket body 11 can be reduced.

The quick-change bracket 1 further comprises a connecting piece 12, and the connecting piece 12 is fixed on the bracket body 11 and is used for being connected with a vehicle body 31 of the electric vehicle 3. The bracket body 11 is fixed on the battery replacing vehicle 3 through the connecting piece 12, and the connecting effect is stable.

The connecting member 12 may be a threaded fastener, such as a bolt, by which the bracket body 11 is directly fixed to the body 31 of the electric vehicle 3.

Of course, in other embodiments, the bracket body 11 is welded directly to the body 31 of the electric vehicle 3 without providing a connection piece.

As shown in fig. 1, 4 and 5, the vehicle body 31 includes two vehicle beams 311 extending in a longitudinal direction thereof, and the connecting member 12 has a first connecting beam 121 extending in a width direction of the vehicle body 31, and the first connecting beam 121 bridges between the two vehicle beams 311. The first connecting beam 121 is bridged between the two vehicle beams 311 to realize the connection of the connecting piece 12 and the vehicle body 31, and the connecting effect is stable. In addition, the first connecting beam 121 extends in the width direction of the vehicle body 31, which saves material.

As shown in fig. 5, the bracket body 11 is disposed below the vehicle beams 311, the first connecting beam 121 spans the tops of the two vehicle beams 311, and the connecting member 12 further has a connecting block 122 fixed to the bracket body 11 and extending upward from the bracket body 11 to the first connecting beam 121. Realize being connected between first connecting beam 121 and the support body 11 through connecting block 122, make full use of car roof beam 311 below space can avoid taking other spaces to can leave the space above the car roof beam 311 for loading goods usefulness, be favorable to improving the space layout rationality.

In other embodiments, the bracket body 11 is disposed above the vehicle beams 311, the first connecting beam 121 bridges the bottom of the two vehicle beams 311, and the connecting member 12 further has a connecting block 122 fixed to the bracket body 11 and extending downward from the bracket body 11 to the first connecting beam 121. The space above the vehicle beam 311 is fully utilized, other spaces can be avoided being occupied, and the reasonability of the space layout is improved.

Preferably, the number of the connecting blocks 122 is two, and the two connecting blocks 122 abut against the side walls of the two vehicle beams 311 respectively. Connecting block 122 sets up with the lateral wall butt of car roof beam 311, improves the stability that connecting block 122 and car roof beam 311 are connected. Specifically, the two connecting blocks 122 are respectively connected to two ends of the first connecting beam 121, and when the two connecting blocks 122 abut against the outer side wall of the vehicle beam 311, the connecting blocks 122 and the first connecting beam 121 are shaped like a Chinese character 'ji', and are connected to the outer peripheral side of the vehicle beam 311, so that the connecting effect is stable, and the bracket body 11 is prevented from falling off from the vehicle beam 311. When the two connecting blocks 122 abut against the inner side wall of the car beam 311, that is, are located between the two car beams 311, the connecting blocks 122 and the first connecting beam 121 are in an i shape, so that the strength of the connecting member is enhanced.

The number of the first connection beams 121 is at least two, and the first connection beams 121 are respectively disposed corresponding to the first installation beams 111. The connection between the bracket body 11 and the vehicle beam 311 is realized through the at least two first connecting beams 121, so that the connection stability is effectively improved, and the bracket body 11 is prevented from falling off from the vehicle beam 311 in the driving process of the battery replacing vehicle 3. In addition, the extension direction of the first connecting beam 121 is the same as the extension direction of the first mounting beam 111, which improves the stability of the mounting of the first connecting beam 121 and the compactness of the entire quick-change bracket 1.

The connecting block 122 is connected with the bracket body 11 through a reinforcing plate, the reinforcing plate includes a first reinforcing plate and/or a reinforcing plate, wherein the first reinforcing plate is obliquely arranged relative to the bracket body 11, and the second reinforcing plate is arranged on the bracket body 11 in parallel.

As shown in fig. 1 and 2, each of the battery pack receiving regions 113 is provided with an electrical connector 13 for electrical connection with the battery pack 2 located in the battery pack receiving region 113. Through set up electric connector 13 in every battery package accommodation area 113, be convenient for each battery package 2 realize trading electric vehicle 3 independent power supply to satisfy the branch case demand.

The first mounting beam 111 or the second mounting beam 112 forming the battery pack receiving area 113 is provided with an electrical connector mounting plate 14, and the electrical connector mounting plate 14 extends from the first mounting beam 111 or the second mounting beam 112 to the inside of the battery pack receiving area 113 for mounting the electrical connector 13. In other words, the first mounting beam 111 is provided with the electrical connector mounting plate 14, and the electrical connector mounting plate 14 extends from the first mounting beam 111 to the inside of the battery pack accommodating area 113 for mounting the electrical connector 13; alternatively, the second mounting beam 112 is provided with an electrical connector mounting plate 14, and the electrical connector mounting plate 14 extends from the second mounting beam 112 to the inside of the battery pack accommodating area 113 for mounting the electrical connector 13. The electric connector mounting plate 14 for mounting the electric connector 13 is arranged on the first mounting beam 111 or the second mounting beam 112, and the space layout is reasonable; in addition, the electric connector mounting plate 14 extends towards the inside of the battery pack accommodating area 113, so that the electric connector 13 can be arranged in the battery pack accommodating area 113, and when the battery pack 2 enters the battery pack accommodating area 113 to realize locking, the battery pack 2 is butted with the electric connector 13 in the battery pack accommodating area 113, and the installation is convenient.

The electrical connector mounting plate 14 includes a mounting portion 141 facing the battery pack receiving region 113 and having at least one end connected to the connecting portion 142, and a connecting portion 142 extending downward from an end of the mounting portion 141 and connected to the first mounting beam 111 or the second mounting beam 112. The mounting portion 141 and the connecting portion 142, which are connected to each other, constitute the electrical connector mounting plate 14, and the strength of the electrical connector mounting plate 14 is increased. In addition, the connecting portion 142 extends downward from the end of the mounting portion 141 and reserves a mounting space for the battery pack 2 by being connected to the first mounting beam 111 or the second mounting beam 112, thereby preventing the electrical connector mounting plate 14 from contacting and interfering with the battery pack 2. Specifically, the electrical connector 13 is mounted on the lower end surface of the mounting portion 141. The battery package 2 gets into from bottom to top and exempts from the in-process that battery package accommodation area 113 realized the locking, and battery package 2 realizes the butt joint with the electric connector 13 that is located above that, and battery package 2 only needs the displacement of vertical direction, need not additionally to carry out the removal all around to battery package 2, and it is convenient to install.

In the present embodiment, two connection portions 142 are connected to both ends of the mounting portion 141, respectively, and the two connection portions 142 extend downward from the ends of the mounting portion 141 and are connected to the two first mounting beams 111 forming the battery pack receiving region 113, respectively. In another embodiment, two connection parts 142 extend downward from the ends of the mounting part 141 and are connected to two second mounting beams 112 forming the battery pack receiving region 113, respectively.

In other embodiments, the connection portion 142 is located only at one end of the mounting portion 141.

Preferably, a reinforcing part is connected between the mounting part 141 and the connecting part 142 to reinforce the strength of the electrical connector mounting plate 14, prevent the electrical connector mounting plate 14 from deforming, twisting and breaking during use, reduce or prevent the mounting position of the electrical connector 13 from changing, and avoid affecting the mating accuracy between the battery pack 2 and the electrical connector 13.

The lower end surface of the mounting portion 141 is further provided with a locking mechanism 114, and the locking mechanism 114 may be located at one side or both sides of the electrical connector 13. In the present embodiment, two locking mechanisms 114 are provided on the mounting portion 141, and are respectively provided at intervals in the width direction of the battery pack 2 and located on both sides of the electrical connector 13. In this embodiment, the locking mechanism 114 is further added to the mounting portion 141 to increase the connection strength between the battery pack 2 and the holder body 11, thereby improving the stability of the battery pack 2 mounted on the holder body 11.

In another embodiment, each of the battery pack receiving regions 113, except for the first mounting beam 111 and the second mounting beam 112, is provided with a connection plate connecting the first mounting beam 111 and the second mounting beam 112, and the size of each connection plate may be the same as that of each of the battery pack receiving regions 113, such that a single plate covers the entire battery pack receiving region 113; alternatively, each of the connection plates may have a size smaller than that of each of the battery pack receiving regions 113 so that the plurality of connection plates are connected to each other to cover the entire battery pack receiving region 113; alternatively, each of the connection plates may have a size smaller than that of each of the battery pack receiving regions 113, and a plurality of connection plates may be respectively connected to the first mounting beams 111 and/or the second mounting beams 112 to cover portions of the battery pack receiving regions 113. Through the arrangement of the connecting plate, the upper surface of the battery pack 2 can be prevented from being damaged by falling sundries, and meanwhile, the strength and the stability of the bracket body 11 can be improved, so that the battery pack 2 with heavier weight can be conveniently installed; in addition, the electrical connector 13 can be mounted on the connection board, which is advantageous for improving the rationality of the spatial layout.

As shown in fig. 5, the quick-change holder 1 further includes a shielding portion 15 detachably connected to the holder body 11, and the shielding portion 15 is disposed above the holder body 11. In this embodiment, the shielding portion 15 may cover the entire quick-change holder, so that both the electrical connector 13 and the battery pack 2 may be protected by the shielding portion 15. Specifically, the shielding portion 15 includes a case connected to the outer peripheral side of the bracket body 11, and an upper surface of the case is provided with an opening portion through which the connecting member 12 is projected to be connected to the vehicle beam 311.

In other embodiments, the shielding portion 15 may be provided to cover only the electrical connector 13. The shielding part 15 is arranged to realize the waterproof, rainproof and dustproof functions for the electric connector 13 and the battery pack 2 or only the electric connector 13, so as to avoid the damage of the electric connector 13 and the battery pack 2.

Example 2

Referring to fig. 7 to 10, an embodiment of the present invention provides a quick-change bracket 1. It differs from the scheme in example 1 in that: the bracket body 11 is arranged below the vehicle beams 311, the first connecting beam 121 is bridged at the bottoms of the two vehicle beams 311, the first connecting beam 121 is positioned between the vehicle beams 311 and the bracket body 11, the upper end of the first connecting beam 121 is connected to the bottom of the vehicle beams 311, and the lower end of the first connecting beam 121 is connected to the bracket body 11. The upper end and the lower extreme of first tie-beam 121 connect respectively in car roof beam 311 bottom and support body 11, and the installation of being convenient for is favorable to improving assembly efficiency, and simple structure, the processing of being convenient for.

In other embodiments, the bracket body 11 is disposed above the car beams 311, the first connecting beam 121 spans the tops of the two car beams 311, the first connecting beam 121 is located between the car beams 311 and the bracket body 11, the lower end of the first connecting beam 121 is connected to the tops of the car beams 311, and the upper end of the first connecting beam 121 is connected to the bracket body 11. The upper end and the lower extreme of first tie-beam 121 connect respectively in support body 11 and car roof beam 311 bottom, and the installation of being convenient for is favorable to improving assembly efficiency, and simple structure, the processing of being convenient for.

Example 3

Referring to fig. 11 to 14, an embodiment of the present invention provides a quick-change bracket 1. It differs from the scheme in example 1 in that: as shown in fig. 11, 12 and 13, the vehicle body 31 includes two vehicle beams 311 extending along the length direction thereof, the bracket body 11 is disposed below the vehicle beams 311, and the bracket body 11 is connected to the side walls of the vehicle beams 311 by first connecting members 123 extending upward from the bracket body 11. The first connecting piece 123 is connected with the side wall of the vehicle beam 311 to fix the bracket body 11 and the vehicle beam 311, so that the assembly efficiency is improved; and, the first connecting member 123 is mounted to the side wall of the vehicle beam 311 to avoid occupying the height space of the vehicle beam 311, so that the lower side or the upper side of the bracket body 11 has a larger space, which is beneficial to the mounting of the battery pack 2 or the loading of goods, thereby improving the rationality of the spatial layout.

In other embodiments, the vehicle body 31 includes two vehicle beams 311 extending along the length direction thereof, the bracket body 11 is disposed above the vehicle beams 311, and the bracket body 11 is connected to the side walls of the vehicle beams 311 by the first connecting members 123 extending downward from the bracket body 11.

The number of the first connecting members 123 is plural, the second connecting beam 124 is disposed between the plural first connecting members 123, and the second connecting beam 124 is connected to the side walls of the two vehicle beams 311. The fixing of the vehicle beam 311 and the bracket body 11 is realized through the plurality of first connecting pieces 123, and the stability of the connection between the vehicle beam 311 and the bracket body 11 is improved. In addition, the second connection beams 124 are connected between the plurality of first connection members 123, so that the strength of the connection member 12 is improved.

Specifically, a plurality of first connecting members 123 are provided at intervals along the longitudinal direction of the vehicle body 31 and are respectively mounted on the first mounting beams 111. The first connecting member 123 is connected to both outer side walls of the two vehicle rails 311 away from each other in the width direction of the vehicle body 31.

The first connector 123 is connected to the bracket body 11 through a reinforcement beam 125, and the reinforcement beam 125 includes a first reinforcement beam 1251 and/or a second reinforcement beam 1252, wherein the first reinforcement beam 1251 is disposed obliquely with respect to the bracket body 11, and the second reinforcement beam 1252 is disposed in parallel on the bracket body 11. The reinforcement beam 125 reinforces the connection between the first connector 123 and the bracket body 11, reducing or preventing the first connector 123 from being detached from the bracket body 11.

Example 4

The embodiment of the utility model provides a quick change support 1. It differs from the scheme in example 1 in that: the rack body 11 includes a plurality of rack sections, each of which may form the battery pack receiving area 113, and the rack sections are independently mounted on the body 31 of the battery replacement vehicle 3. The number of the split supports can be increased or reduced according to actual needs, and the flexibility is high.

In other embodiments, the plurality of bracket split bodies may be integrally mounted on the body of the battery replacement vehicle 3.

Example 5

The embodiment of the utility model provides a quick change support 1, it is roughly the same with the scheme of above embodiment, the main difference lies in: the battery pack accommodating section 113 includes a plurality of sub-accommodating sections arranged in parallel in the vehicle body length direction of the battery replacement vehicle 3, and the sub-accommodating sections are used for independently mounting the battery packs 2. In other words, the region of the holder body 11 for mounting the battery pack 2 is divided into a plurality of sub-regions along the longitudinal direction and the width direction of the battery replacement vehicle 3 to mount the battery packs 2 individually. A plurality of sub-accommodation areas are arranged in the battery pack accommodation area 113, so that the volume and the weight of each battery pack which is adapted to each sub-accommodation area can be further reduced, the installation is convenient, and the requirement on the power conversion equipment can be further reduced; in addition, the sub-accommodation area is arranged along the length direction of the vehicle body of the battery replacing vehicle 3, the space along the length direction of the vehicle body is fully utilized, the structural arrangement is compact, and the rationality of the spatial layout is improved.

Specifically, between two adjacent second mounting beams 112 forming the same battery pack accommodating area 113, a plurality of first mounting beams 111 are arranged along the length direction of the vehicle body of the battery replacement vehicle 3, and are divided into a plurality of sub accommodating areas.

Example 6

The embodiment of the utility model provides a trade electric vehicle 3, trade electric vehicle 3 include a plurality of battery package 2 and as above arbitrary embodiment quick change support 1, every battery package 2 is fixed in the battery package accommodation area 113 that corresponds on the quick change support 1. The plurality of battery packs 2 are respectively installed through the plurality of battery pack accommodating areas 113, and on the first hand, a plurality of independent battery packs 2 are adopted, so that compared with a whole large battery pack in the traditional design, under the condition that the battery replacing vehicle 3 needs the same capacity, the independent battery packs 2 are relatively smaller in size and weight, the installation is convenient, and the standardization of the battery packs is facilitated; in the second aspect, compared with the transportation of the whole battery pack, each independent battery pack 2 does not need large transportation equipment to transport the battery packs after being separated into boxes, so that the requirement on power exchange equipment is reduced; in the third aspect, each independent battery pack 2 can be matched with and provided with different numbers of battery packs 2 according to the electricity consumption required by the battery replacing vehicle 3, and the compatibility is strong. In addition, the plurality of battery packs 2 are arranged along the width direction of the vehicle body of the battery replacing vehicle 3, the structural arrangement is compact, the battery packs can be better arranged by utilizing the space between the vehicle body beams and the space on two sides, the installation space is saved, and the locking mechanism 114 is arranged in each battery pack accommodating area 113, so that each battery pack 2 is conveniently fixed in the corresponding battery pack accommodating area 113 respectively, and the independent installation among the battery packs 2 is realized.

In the present embodiment, the battery replacement vehicle 3 is an electric truck. As the electric truck of the large-scale battery replacement vehicle has higher capacity demand on the battery pack 2, the battery pack is convenient to replace after being arranged in a box-divided mode, and labor is saved during replacement of the battery pack.

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 can 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 quick-change support for trade electric vehicle, its characterized in that, quick-change support includes the support body, the support body has a plurality of edges trade battery package accommodation area that electric vehicle's automobile body width direction set up side by side is used for a plurality of independent battery packages of fixed mounting, and every battery package accommodation area is equipped with locking mechanism separately, locking mechanism is used for supplying every battery package passes through bolt locking mode and installs in corresponding in the battery package 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;

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

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 the nut for preventing 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 backstop structure includes an inner ring gear and an outer ring gear, the inner ring gear is sleeved on the outer peripheral side of the outer ring gear, the first end is in key connection with the inner surface of the outer ring gear, and the outer ring gear 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 includes an elastic member that is sleeved on the outer peripheral side of the first end, and both ends of the elastic member abut against the extension of the outer wall of the bolt and the outer ring gear, respectively, and the elastic member is configured to apply a force to the outer ring gear that resets the outer ring gear from the second position to the first position.

8. The quick-change bracket according to claim 1, wherein a plurality of the locking mechanisms are arranged at intervals on two sides of the battery pack accommodating area along the length direction and/or the width direction of the vehicle body of the electric vehicle.

9. The quick-change bracket according to claim 1, characterized in that a limiting mechanism is arranged between the quick-change bracket and the battery pack along the length direction and/or the width direction of the vehicle body of the battery replacement vehicle, and the limiting mechanism is used for limiting the degree of freedom of the battery pack in the accommodating area of the battery pack along the length direction and/or the width direction of the vehicle body of the battery replacement vehicle.

10. The quick-change bracket according to any one of claims 1 to 9, wherein the bracket body is a frame structure, the bracket body is provided with a plurality of first mounting beams arranged at intervals along the length direction of the vehicle body of the electric vehicle and a plurality of second mounting beams arranged at intervals along the width direction of the vehicle body of the electric vehicle, the first mounting beams and the second mounting beams are connected and enclosed to form the frame structure, and the region between two adjacent second mounting beams forms the battery pack accommodating area.

11. The quick-change bracket according to claim 10, wherein two adjacent second mounting beams are respectively provided with the corresponding locking mechanism, and the locking mechanisms are located at the bottom of the second mounting beams, so that the battery pack enters the battery pack accommodating area from below the bracket body along the height direction of the vehicle body of the electric-change vehicle and is connected with the locking mechanisms in a bolt locking manner.

12. The quick-change bracket according to claim 10, further comprising a connector fixed to the bracket body and adapted to connect with a body of the vehicle.

13. The quick-change holder according to claim 12, wherein the body includes two vehicle beams extending along the length thereof, the connecting member having a first connecting beam extending along the width of the body, the first connecting beam bridging between the two vehicle beams.

14. The quick-change holder according to claim 13, wherein the holder body is disposed below the vehicle beams, the first connecting beam spans the tops of the two vehicle beams, and the connecting member further has a connecting block fixed to the holder body and extending upward from the holder body to the first connecting beam;

15. The quick-change bracket according to claim 14, wherein the number of the connecting blocks is two, and the two connecting blocks abut against the side walls of the two vehicle beams respectively.

16. The quick-change bracket according to claim 13, wherein the bracket body is arranged below the vehicle beams, the first connecting beam bridges the bottoms of the two vehicle beams, the first connecting beam is positioned between the vehicle beams and the bracket body, the upper end of the first connecting beam is connected to the bottom of the vehicle beam, and the lower end of the first connecting beam is connected to the bracket body;

17. The quick-change holder according to claim 13, wherein the number of the first connecting beams is at least two, and the first connecting beams are respectively provided corresponding to the first mounting beams.

18. The quick-change holder according to claim 12, wherein the body includes two vehicle rails extending along the length thereof;

19. The quick-change holder according to claim 18, wherein a plurality of said first connectors are provided, and a second connecting beam is provided between a plurality of said first connectors, said second connecting beam being connected to the side walls of two of said vehicle rails.

20. The quick-change holder according to claim 18, characterized in that the first connecting part is connected to the holder body by means of a reinforcing beam, which comprises a first reinforcing beam and/or a second reinforcing beam, the first reinforcing beam being arranged obliquely with respect to the holder body, and the second reinforcing beam being arranged parallel to the holder body.

21. The quick-change holder according to claim 10, wherein each of the battery pack receiving areas is provided with an electrical connector for making electrical connection with the battery pack located in the battery pack receiving area.

22. The quick-change cradle according to claim 21, wherein an electrical connector mounting plate is provided on the first mounting beam or the second mounting beam forming the battery pack receiving area, the electrical connector mounting plate extending from the first mounting beam or the second mounting beam inwardly of the battery pack receiving area for mounting the electrical connector.

23. The quick-change cradle according to claim 22, wherein the electrical connector mounting plate includes a mounting portion facing the battery pack receiving area and having the connecting portion connected to at least one end thereof, and a connecting portion extending downwardly from an end of the mounting portion and connected to the first mounting beam or the second mounting beam.

24. The quick-change holder according to claim 23, wherein the electrical connector is provided on the mounting portion, and the mounting portion is further provided with the locking mechanism, the locking mechanism being located on one or both sides of the electrical connector.

25. The quick-change holder according to claim 21, further comprising a shield portion removably coupled to the holder body, the shield portion being disposed above the holder body and covering at least the electrical connector.

26. The quick-change bracket according to claim 1, wherein the bracket body includes a plurality of bracket segments, each of which can form the battery pack receiving area, and the bracket segments are independently mounted on a body of the vehicle or mounted on the body of the vehicle after being integrally mounted.

27. A vehicle for replacing batteries, comprising a plurality of battery packs and a quick-change bracket as claimed in any one of claims 1 to 26, wherein each battery pack is fixed in a corresponding battery pack receiving area of the quick-change bracket.

28. The hybrid electric vehicle of claim 27, wherein the hybrid electric vehicle is an electric truck.