CN217672238U

CN217672238U - Chassis type battery replacing equipment

Info

Publication number: CN217672238U
Application number: CN202220775076.1U
Authority: CN
Inventors: ***; 王凯枫; 凌春雷; 祝明
Original assignee: Aulton New Energy Automotive Technology Co Ltd; Shanghai Dianba New Energy Technology Co Ltd
Current assignee: Aulton New Energy Automotive Technology Co Ltd; Shanghai Dianba New Energy Technology Co Ltd
Priority date: 2022-04-02
Filing date: 2022-04-02
Publication date: 2022-10-28
Anticipated expiration: 2032-04-02

Abstract

The utility model discloses a chassis formula trade electric equipment for trade the electric vehicle and trade the electricity, trade electric equipment and include: the first module, the second module and the third module are detachably connected in sequence along a first direction; a traveling driving mechanism and a traveling mechanism are arranged in the first module and the third module; the second module is internally provided with a battery replacing device and a lifting mechanism, and the battery replacing device is arranged on the lifting mechanism; at least one of the first module or the third module is internally provided with a lifting driving mechanism. Through dividing into independent each module in proper order, the independent processing and the spare part installation debugging of each module that can be better realize, also be convenient for staff's equipment and integration. And the battery replacement equipment can enter from the bottom of the truck to replace the battery of the vehicle so as to improve the safety of battery replacement and ensure the stability during battery replacement. Meanwhile, the disassembly and the repair of workers are facilitated, the flexibility and the universality of the application of the battery replacement equipment are enhanced, and the applicability of the battery replacement equipment is higher.

Description

Chassis type battery replacing equipment

Technical Field

The utility model relates to a trade electric equipment of chassis formula.

Background

With the development and popularization of new energy vehicles, the battery pack quick-change technology is rapidly developed. In the prior art, as the battery of the passenger vehicle is generally placed at the bottom of the vehicle, the battery replacement of the passenger vehicle is realized by the battery carried by the battery replacement trolley and driven into the bottom of the vehicle. However, for large vehicles, such as heavy trucks, the weight of the vehicle body and the cargo is large, which results in a large capacity requirement of the battery pack, and a large capacity of electric energy is required to support the large vehicle for hundreds of kilometers. Therefore, in the prior art, a large vehicle of a new energy series fixes a large battery container on a girder of the vehicle in a top-hung manner, and the battery container is arranged close to a cab, which causes great potential safety hazards to a driver and the vehicle in the driving process and the top-hung electricity replacement process; further, if a battery fails, the driver is directly injured. In addition, the requirement of a top-hanging mode on the site of the power exchanging station is very high, the power exchanging station needs to have a large enough area to execute hoisting equipment to transfer batteries, store batteries and the like, and the station building cost is very high.

Therefore, for a large-sized vehicle, a power exchange mode which is safer, more reliable and easier to popularize is urgently needed, for example, power exchange is carried out on a heavy truck from the bottom of the vehicle. However, the current battery replacing trolley structure used by the passenger car is difficult to adapt to a heavy truck for replacing the battery, so that designers are required to research and develop battery replacing equipment of batteries with larger volume and heavier weight, which are adapted to the heavy truck.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to change the not enough defect of security of electricity in order to overcome among the prior art heavy truck, provide a chassis's the equipment of changing electricity.

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

a chassis type battery replacement device for replacing a battery of a battery replacement vehicle, the battery replacement device comprising: the first module, the second module and the third module are detachably connected in sequence along a first direction; a traveling driving mechanism and a traveling mechanism are arranged in the first module and the third module, the traveling driving mechanism is used for providing power for the traveling mechanism, and the traveling mechanism is used for driving the battery replacing equipment to run along the first direction; the second module is internally provided with a battery replacing device and a lifting mechanism, the battery replacing device is arranged on the lifting mechanism, and the lifting mechanism is used for driving the battery replacing device to lift; and a lifting driving mechanism is arranged in at least one of the first module or the third module and is used for driving the lifting mechanism to lift.

In this scheme, a chassis type trades electric equipment is provided, can get into from the bottom of heavy truck and trade the electric to the vehicle in order to improve the security of trading the electric. This trade electrical equipment, through being divided into independent first module in proper order, second module and third module, independent processing and the spare part installation and debugging of realization each module that can be better, and the installation that corresponds trades each function mechanism's installation relatively independent in the electrical equipment on the module that corresponds, the staff of being convenient for can assemble and integrate, shorten production cycle, staff's dismantlement and repair have been convenient simultaneously, the flexibility and the extensive of trading electrical equipment application have been strengthened, make the suitability of trading electrical equipment stronger. Meanwhile, the first module and the third module are respectively provided with a traveling mechanism and a traveling driving mechanism, so that the bearing capacity of the battery replacement equipment is improved; and the lifting mechanism is adopted to drive the power exchanging device to lift in the height direction, so that the power exchanging device meets the position of the battery on the automobile chassis with different heights, the tightness of the power exchanging equipment attached to the battery during battery replacement is improved, the problems that the power exchanging fails due to the fact that a gap exists between the power exchanging equipment and the battery are solved, and the power exchanging efficiency is further improved.

Preferably, the traveling drive mechanism is disposed on a side wall of the first module and the third module extending along the first direction, and the traveling mechanism includes: the walking synchronous shafts respectively penetrate through two opposite side walls of the first module and the third module, and the two opposite side walls extend along the first direction; the walking transmission assembly is respectively connected with the walking driving mechanism and the walking synchronous shaft so that the walking driving mechanism provides power for the walking synchronous shaft through the walking transmission assembly; and the travelling wheels are arranged at two ends of the travelling synchronous shaft and are positioned at the outer side of the side wall and far away from the second module.

In this scheme, through setting up walking synchronizing shaft and walking transmission assembly, guaranteed that running gear drives and trades the stability that the electric equipment operation removed, walking drive mechanism realizes trading the steady operation of electric equipment when saving space resources through providing power to walking synchronizing shaft and walking transmission assembly. The traveling wheels ensure the running synchronism of the traveling mechanism and improve the running reliability and stability of the battery replacement equipment. Meanwhile, the walking transmission assembly is arranged between the walking driving mechanism and the walking synchronizing shaft, so that the running synchronism of the walking driving mechanism and the walking synchronizing shaft is ensured, the walking wheels are arranged at two ends of the walking synchronizing shaft, the running speed ratio of the walking wheels can be changed by regulating and controlling the running of the shaft of the walking driving mechanism, and the running consistency of the battery replacement equipment is ensured.

Preferably, the battery replacement equipment further includes a lifting synchronization shaft, the lifting driving mechanism is disposed on a side wall of the first module or the third module extending along the first direction, the lifting synchronization shaft respectively penetrates through two opposite side walls of the first module or the third module extending along the first direction, two ends of the lifting synchronization shaft extending out of the side walls are respectively connected with the outer sides of the side walls and the lifting transmission mechanism close to the second module, and the lifting synchronization shaft is further connected with the lifting driving mechanism to be driven by the lifting driving mechanism.

In the scheme, the lifting synchronous shaft is arranged in the battery replacing equipment, and the lifting synchronous shaft is adopted to realize the driving connection of the lifting driving mechanism to the lifting mechanism, so that the moving stability of the lifting mechanism is ensured. Meanwhile, the lifting synchronous shaft can be connected with different lifting mechanisms, so that synchronous operation of the different lifting mechanisms is realized, the lifting consistency of the battery replacing device is ensured, and the lifting stability of the battery replacing device is further ensured.

Preferably, the lift actuator extends in the first direction from the first module to the second module and cooperates with the lift mechanism in the second module such that the lift actuator provides power to the lift mechanism through the lift synchronizing shaft and the lift actuator.

In the scheme, the driving force output of the lifting driving mechanism is realized by arranging the lifting transmission mechanism, so that the moving stability of the lifting mechanism is ensured. The lifting driving mechanism provides power for the lifting synchronous shaft and the lifting transmission mechanism, so that space resources are saved, and meanwhile, the stable operation of the battery replacement equipment is realized.

Preferably, a braking resistor is arranged on the first module or the third module, and the braking resistor is at least arranged on the outer side wall of one side of the first module or the third module extending along the first direction along the horizontal direction and is electrically connected with the motor of the walking driving mechanism or the motor of the lifting driving mechanism.

In the scheme, the braking resistor is arranged on the battery replacement equipment and is respectively connected with the motors of the lifting driving mechanism and the walking driving mechanism, so that mechanical energy generated during braking of the motors is consumed in an electric energy mode through the braking resistor, and the safety of the motors is improved. Meanwhile, the brake resistor is arranged on the surface of the outer side of the third module or the first module, so that heat dissipation of the brake resistor in the braking process is facilitated, and compared with the brake resistor arranged inside the module, the situation that cables and the like in the module are burnt due to heat dissipation of the brake resistor is avoided, the heat dissipation efficiency is improved, and meanwhile, the safety of the battery replacing equipment is guaranteed.

Preferably, when the lifting driving mechanism is arranged on the first module, the braking resistor is arranged on the outer side wall of the third module.

In the scheme, the brake resistor and the lifting driving mechanism are respectively arranged on different modules, so that the space of each module is reasonably utilized, and the structure of each module is more compact.

Preferably, when the lifting driving mechanism is disposed on the first module, the lifting driving mechanism and the traveling driving mechanism are respectively disposed on two opposite side walls of the first module extending along the first direction.

In the scheme, the lifting driving mechanism and the walking driving mechanism are respectively arranged on two opposite side walls of the first module extending along the first direction, so that the interference on the normal operation of other parts in the first module is avoided, and the space resources in the first module are saved.

Preferably, the first module further comprises first stoppers, the first stoppers are respectively disposed on two outer sidewalls of the first module extending along the first direction along the height direction, and are located between the traveling wheel and the lifting transmission mechanism to protect the lifting transmission mechanism; and/or, the third module still includes the second dog, the second dog along direction of height set up in the third module is followed on two lateral walls that the first direction extends, and be located the walking wheel with protect between the braking resistance.

In this scheme, through setting up first dog and/or second dog, when avoiding the walking wheel to take place the accident, break away from and trade electrical equipment, and disturb the normal operating who lifts drive mechanism and/or brake resistance.

Preferably, the lower end of the first block is not lower than the lower end point of the travelling wheel and not higher than the lower edge of the first module so as to provide support for the first module before or when being assembled; and/or the lower end of the second block is not lower than the lower end point of the travelling wheel and not higher than the lower edge of the third module so as to provide support for the third module before or when being assembled.

In the scheme, the first stop block and/or the second stop block are arranged, so that the first module and/or the third module are temporarily supported before or during assembly of the first module and/or the third module and the second module, and the abrasion caused by contact between the bottom surfaces of the first module and the third module and the ground is avoided.

Preferably, the battery replacing device comprises a battery replacing module and a supporting frame, the battery replacing module is arranged on the supporting frame, and the supporting frame is connected with the lifting mechanisms arranged on two opposite inner side walls of the second module extending along the first direction.

In this scheme, braced frame provides place the platform for the battery change module to braced frame is connected with lifting mechanism, can drive the vertical lift of battery change module, through changing the battery module setting at braced frame's middle zone, makes the atress of battery change module in the change battery process more stable. Meanwhile, the supporting frame is arranged to bear the battery replacement module, so that the battery replacement module with a complex structure can be conveniently integrated and installed.

Preferably, the lifting mechanism has a rotating shaft extending to the outside of two opposite side walls of the second module extending along the first direction, the rotating shaft is connected to a lifting transmission mechanism, and the lifting transmission mechanism is located outside the second module and is powered by the lifting driving mechanism so as to drive the lifting mechanism to move around the rotating shaft.

In this scheme, with lifting mechanism through setting up the lift operation that lifting mechanism was realized to the pivot, can realize trading on electric device goes up and down to different heights, satisfy the vehicle chassis of co-altitude, the commonality of reinforcing use.

Preferably, the battery replacement module comprises a base and a positioning mechanism and an unlocking mechanism arranged on the base, wherein the base can move horizontally relative to the support frame along a second direction perpendicular to the first direction to drive the positioning mechanism to move so as to be positioned with the vehicle and/or the battery, so that the unlocking mechanism can perform operation to lock and unlock the battery on and from the vehicle.

In this scheme, through setting up positioning mechanism and release mechanism, guarantee that the battery realizes the accurate location of battery and vehicle chassis at the in-process of changing, avoid having the battery installation failure that the error leads to because of the location.

Preferably, the base comprises a first layer plate and a second layer plate which are arranged in a staggered mode in the horizontal direction, the first layer plate and the second layer plate are fixed on the supporting frame through a moving mechanism respectively and can move along the second direction relative to the supporting frame respectively, at least two first positioning columns are arranged on the first layer plate to be positioned with a battery on a vehicle, and at least two second positioning columns are arranged on the second layer plate to be positioned with the vehicle.

In this scheme, through making first plywood and second plywood dislocation arrangement in the horizontal direction for the high drop between first plywood and the second plywood can further reduce, does not have high drop even, thereby realizes reducing the purpose that whole battery changed module height, makes the height of trading electrical equipment further compressed, trades the minimum high demand of electricity in order to satisfy heavily blocking. Simultaneously, be equipped with the reference column respectively on first plywood and second plywood and carry out the location that corresponds with vehicle and battery respectively for trade the electric installation and can pinpoint the battery, thereby can effectively carry out battery dismantlement and installation.

Preferably, the distance between the first positioning column and the second positioning column along the second direction is not less than half of the length of the battery.

In this scheme, adopt this kind of structural style, can improve the precision of battery and vehicle location and the reliability of connecting, avoid first reference column and second reference column to gather the distance too closely and lead to losing the function of location and connection.

Preferably, the second layer plate has an extending portion along the second direction, and the second positioning pillar is disposed at an edge of the extending portion of the second layer plate.

In this scheme, adopt this kind of structural style, further reinforcing the precision that battery and vehicle chassis are connected, improve the in-process that the battery was changed, the goodness of fit of battery and vehicle bottom has ensured the fastening nature of battery connection on the vehicle, only sets up the extension with the second plywood simultaneously for the whole size that trades other regions of electrical equipment need not to increase, with the saving cost.

Preferably, the base still includes battery tray, battery tray set up in the top of first floor, and with first floor is floated and is connected, first floor passes through battery tray bears the battery, be equipped with on the battery tray and supply unlocking mechanism and/or the hole of dodging that first locating column stretches out.

In the scheme, the structure is arranged, so that the contact area between the battery tray and the battery is increased in the battery replacing process of the battery replacing device, the stress concentration condition is avoided, and the structural damage of the battery replacing device caused by hard collision between the battery replacing device and the battery can be reduced or avoided.

Preferably, the battery tray comprises at least two tray units, each tray unit is arranged in a split mode, and each tray unit is connected with the first layer plate in a floating mode.

In this scheme, this structure setting realizes the multiple spot independent contact between battery tray and the battery to improve battery tray and to the stability of bearing of battery, avoid battery tray to produce wholly rocking under great external force impact, and then guarantee to trade the battery equipment area battery and march the in-process, the stability of battery.

Preferably, the tray unit is two, and two interval settings the tray unit is followed respectively the second direction is located the both sides of second module, two the tray unit outside is formed with the mechanism that stretches out that can supply battery transfer device's the mechanism that stretches into and holds the district.

In this scheme, through the tray unit that relative interval set up, under the condition that does not reduce bearing capacity, reduce the whole area of battery tray, be favorable to reduce cost, and the installation space of other equipment is provided between the tray unit, make and trade the whole compacter of electrical equipment, reasonable operable space is provided in the tray unit outside simultaneously, make outside hacking machine can stretch into the region between two tray units through stretching out its two mechanisms, realize that the hacking machine trades the battery of electrical equipment relatively and get and put the operation.

Preferably, the second module comprises a walking guide mechanism, the walking guide mechanism is arranged at the bottom of the second module, and the walking guide mechanism is positioned on the inner side of the lifting transmission mechanism and is arranged in a staggered manner with walking wheels of the walking mechanism along the first direction.

In this scheme, at the in-process that trades the battery equipment and remove, the first direction accuracy that trades the battery equipment needs to be guaranteed, so be equipped with walking guiding mechanism in the bottom of box body structure, so when trading the battery equipment subaerial removal, only need guarantee walking guiding mechanism and trade the track of battery equipment below and cooperate for walking guiding mechanism can move on the track of regulation good route. The walking guide mechanism and the walking wheels are arranged in a staggered mode in the first direction, so that the tracks matched with the walking guide mechanism cannot influence the normal operation of the walking wheels.

Preferably, the walking guide mechanism includes: the grooved wheel can be matched with a ground track so that the battery replacing equipment can walk along the track; the elastic piece is compressible along the vertical direction, the grooved wheel is arranged at the lower end of the elastic piece in a rolling mode, and the upper end of the elastic piece is connected to the second module.

In the scheme, the rolling mechanism of the walking guide mechanism is set as the grooved wheel, so that the rolling positioning performance of the relative guide rail is improved, meanwhile, the grooved wheel is connected with the second module through the elastic piece, the grooved wheel is ensured to be always in effective contact with the track, and even when the track is slightly uneven, stable guide can be ensured.

Preferably, the second module includes a positioning recognition mechanism, the second module is provided with a mounting bracket at one side along the first direction, the mounting bracket extends outwards from a side wall of the second module and does not interfere with the lifting transmission mechanism, and the positioning recognition mechanism is mounted on the mounting bracket.

In the scheme, the accurate positioning of the battery replacing equipment relative to the vehicle and the battery needs to be ensured in the battery replacing process of the battery replacing equipment, so that a positioning identification mechanism is arranged on the battery replacing equipment, and when the battery replacing equipment moves to the bottom of the automobile chassis, the current vehicle position can be judged through image information transmitted by the positioning identification mechanism, so that a battery replacing module on the battery replacing equipment is further adjusted to the optimal position, and the accuracy of the battery replacing equipment in the assembling and disassembling process is ensured.

Preferably, the first module and/or the third module are respectively provided with an anti-collision mechanism, and the anti-collision mechanism is located on a side wall of the first module away from the second module along the first direction and/or on a side wall of the third module away from the second module along the first direction.

In this scheme, set up anticollision institution at the both ends of box body structure along trading electrical equipment first direction for the protection trades electrical equipment and avoids near object collision, at the in-process that trades electrical equipment and removes, there may be other objects around it, and trade electrical equipment operation speed very fast, so when not avoiding touching other objects and damage, so be equipped with anticollision institution on the surface on trading electrical equipment's first direction, can be intact when having guaranteed to trade electrical equipment and remove.

The utility model discloses an actively advance the effect and lie in: this trade electrical equipment is through dividing into independent first module, second module and third module in proper order, independent processing and the spare part installation and debugging of realization each module that can be better, and the installation that corresponds trades each function mechanism's installation relatively independent in the electrical equipment on the module that corresponds, the staff of being convenient for can assemble and integrate, shorten production cycle, staff's dismantlement and repair and match have been made things convenient for simultaneously, the flexibility and the extensive of trading electrical equipment application have been strengthened, make the suitability of trading electrical equipment stronger. Meanwhile, the lifting mechanism is adopted to drive the power exchanging device to lift in the height direction, the power exchanging device is enabled to meet the position of batteries on automobile chassis with different heights, the batteries can enter from the bottom of a heavy truck to be exchanged, the lifting mechanism drives the power exchanging device to lift to the position suitable for disassembling and assembling the batteries to disassemble and assemble the batteries on the vehicle, the safety of the battery exchanging is improved, the stability of the battery exchanging is also guaranteed, the problems that the battery exchanging fails due to the existence of gaps between the power exchanging equipment and the batteries are avoided, and the battery exchanging efficiency is further improved.

Drawings

Fig. 1 is a schematic view of an overall structure of a battery replacement device according to a preferred embodiment of the present invention.

Fig. 2 is a schematic view of the overall structure of another view angle of the battery swapping device according to the preferred embodiment of the present invention.

Fig. 3 is a partially enlarged view of fig. 2A.

Fig. 4 is a schematic structural diagram of a first module in a battery swapping device.

Fig. 5 is a schematic structural diagram of a second module in the battery swapping device.

FIG. 6 is a schematic structural view of a second modular cassette mechanism and a lift mechanism.

Fig. 7 is a partial enlarged view of fig. 6B.

FIG. 8 is a schematic structural diagram of a support frame in a battery swapping device

Fig. 9 is a schematic structural diagram of a first layer plate and a battery tray in the battery replacement device.

Fig. 10 is a schematic structural diagram of a first layer plate in the battery replacement device.

Fig. 11 is a schematic structural diagram of a second plate in the battery replacement device.

Fig. 12 is a schematic structural diagram of a third module in the battery swapping device.

Fig. 13 is a schematic structural diagram of a travel guide mechanism in the battery replacement device.

Fig. 14 is a bottom view of the battery replacement device according to the preferred embodiment of the present invention.

Fig. 15 is a partial enlarged view of fig. 14C.

Description of reference numerals:

battery replacement device 100

First module 200

Traveling drive mechanism 21

Running gear 22

Walking synchronizing shaft 221

Walking drive assembly 222

Traveling first gear 2221

Second traveling gear 2222

Road wheel 223

Lifting drive mechanism 23

Lifting synchronizing shaft 24

Lifting transmission assembly 25

Lifting the first gear 251

Lifting the secondary gear 252

Second module 300

Battery replacement device 31

Battery replacement module 311

First floor 3111

First positioning post 31111

Second laminate 3112

Second positioning post 31121

Battery tray 3113

Avoiding hole 31131

Tray unit 31132

Support frame 312

Moving mechanism 313

Slide rail 314

Slider 315

Coil spring 316

Lifting mechanism 32

Lifting arm 321

Rotating shaft 322

Travel guide mechanism 33

Grooved wheel 331

Elastic member 332

Positioning recognition mechanism 34

Third module 400

First stopper 41

Brake resistor 42

Anticollision mechanism 43

Lifting transmission mechanism 500

First cooperating mechanism 51

Second cooperating mechanism 52

Lifting gear 53

Chain 54

First direction X

Second direction Y

Detailed Description

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

As shown in fig. 1 to 15, the present invention provides a battery replacing apparatus 100, wherein the battery replacing apparatus 100 is used for replacing a battery of an electric vehicle, especially a heavy truck, so as to detach the battery from the bottom of the electric vehicle or install the battery at the bottom of the electric vehicle. As shown in fig. 1, the battery swapping apparatus 100 includes a first module 200, a second module 300, and a third module 400 sequentially arranged along a first direction X (i.e., a traveling direction of the battery swapping apparatus 100), and the three modules are connected by a positioning pin and a screw.

As shown in fig. 2 to 4, a traveling driving mechanism 21 and a traveling mechanism 22 are respectively disposed in the first module 200 and the third module 400, in each module, the traveling driving mechanism 21 is connected with the traveling mechanism 22, and the traveling driving mechanism 21 is configured to provide power to the traveling mechanism 22, so that the traveling mechanism 22 drives the power exchanging device 100 to move in a reciprocating manner along the first direction X.

The second module 300 is internally provided with a battery replacing device 31 and a lifting mechanism 32, wherein the battery replacing device 31 is used for replacing a battery of an electric vehicle, the battery replacing device 31 is arranged on the lifting mechanism 32, the lifting mechanism 32 is arranged on the second module 300, and the lifting mechanism 32 drives the battery replacing device 31 to lift so as to complete a battery replacing task of the battery replacing device 31.

At least one of the first module 200 or the third module 400 is provided with a lifting driving mechanism 23, the lifting driving mechanism 23 is connected with the lifting mechanism 32, the lifting driving mechanism 23 is used for providing power for the lifting mechanism 32, and the lifting mechanism drives the battery replacing device 31 to move in the height direction, so that the battery replacing device 100 can be matched with the height of a vehicle chassis to replace a battery.

In this scheme, a chassis type trades electric equipment is provided, can get into from the bottom of heavy truck and trade the electric to the vehicle in order to improve the security of trading the electric. This trade electric equipment 100 is through being divided into independent first module 200 in proper order, second module 300 and third module 400, the independent processing and the spare part installation debugging of realization each module that can be better, and the installation that corresponds trades electric equipment 100 in the installation that corresponds on the module that corresponds is relatively independent each function mechanism's installation, the staff of being convenient for assembles each module simultaneously in the place of difference, debugging and integration, shorten production cycle, staff's dismantlement and repair have been made things convenient for simultaneously, the flexibility and the universality of trading electric equipment 100 application have been strengthened, make the suitability of trading electric equipment 100 stronger.

Meanwhile, the first module 200 and the third module 400 are respectively provided with the traveling mechanism 22 and the traveling driving mechanism 21, which is beneficial to improving the bearing capacity of the battery replacement device 100; and the lifting mechanism 32 is adopted to drive the battery replacing device 31 to lift in the height direction, so that the battery replacing device 31 meets the position of the battery on the automobile chassis with different heights, the tightness of the battery replacing device 100 attached to the battery during battery replacement is improved, the problems that the battery replacing fails due to the gap between the battery replacing device 100 and the battery are solved, and the battery replacing efficiency is further improved.

In this embodiment, each module is a box structure with an open top and closed sides and bottom (as shown in fig. 6, it is the box structure of the second module 300). Each module adopts the structure, so that the structure is simple, other parts can be conveniently accommodated, and the space structure is saved. The box body structure is formed by combining plate-shaped parts, the plate-shaped parts are smaller in size and convenient to machine and form, smaller and more universal machine tool machining can be used, the size of the machined parts is reduced, machining difficulty and cost are reduced, and production and manufacturing of the battery replacement equipment 100 with larger size become possible. In other embodiments, each module may also be configured as a box structure with an open top and a closed periphery.

After the required components are installed in the respective modules, the first module 200, the second module 300, and the third module 400 are butt-positioned and connected by the positioning pins. The positioning pins are adopted to butt joint and position the modules, the connection precision of the modules is guaranteed while the connection of the modules is enhanced, so that when the modules are assembled, the positioning connection is realized only by the positioning pins, the operation of workers is facilitated, and the modules are convenient to maintain accurate in position in the repeated disassembly process.

As shown in fig. 2 to 4, in the present embodiment, the travel driving mechanism 21 is provided in the first module 200 and the third module 400 on one side wall extending in the first direction X.

The traveling mechanism 22 includes a traveling synchronizing shaft 221, a traveling transmission assembly 222 and traveling wheels 223, and two traveling wheels 223 are disposed in the first module 200 and the third module 400. The walking driving mechanism 21 is connected with the walking synchronizing shaft 221 through the walking transmission assembly 222, so that the stability of the walking mechanism 22 driving the battery replacing device 100 to move is ensured, and the walking driving mechanism 21 provides power to the walking synchronizing shaft 221 and the walking transmission assembly 222, so that the stable operation of the battery replacing device 100 is realized while space resources are saved. The two walking wheels 223 are arranged at two ends of the walking synchronizing shaft 221, are located on the outer side surface of the side wall of the corresponding module, and are relatively far away from the second module 300, the walking wheels 223 ensure the running synchronism of the walking mechanism 22, and the running reliability and stability of the battery replacing device 100 are improved. Meanwhile, the walking transmission assembly 222 is arranged between the walking driving mechanism 21 and the walking synchronizing shaft 221, so that the running synchronism of the walking driving mechanism 21 and the walking synchronizing shaft 221 is ensured, and the two walking wheels 223 are arranged at the two ends of the walking synchronizing shaft 221, so that the running speed ratio of the walking wheels 223 can be changed by regulating and controlling the rotating speed of the output shaft of the walking driving mechanism 21, and the running consistency of the walking wheels 223 at the two sides is ensured.

Specifically, the traveling transmission assembly 222 includes a traveling first gear 2221 and a traveling second gear 2222, the traveling first gear 2221 is provided on the shaft of the traveling drive mechanism 21, the traveling second gear 2222 is provided on the traveling synchronizing shaft 221, and the traveling first gear 2221 and the traveling second gear 2222 are engaged with each other. By adopting the structure, the running synchronization of the running synchronization shaft 221 and the running of the running driving component is ensured through the precision of gear meshing transmission, the running speed ratio of the running mechanism 22 can be changed by regulating and controlling the running of the shaft of the running driving mechanism 21, and further, the running stability of the running mechanism 22 is also ensured through the meshing of the gears.

Specifically, in this embodiment, the walking wheels 223 are rubber-coated wheels, and the rubber-coated wheels can increase the friction force between the walking wheels and the ground, and also increase the gripping force of the rubber-coated wheels on the ground, and meanwhile, the walking wheels 223 can be always kept in contact with the ground, so that the reliability of the operation of the battery replacement device 100 is improved. Of course, in other embodiments, the configuration of the road wheels 223 may be selected and arranged as desired.

As shown in fig. 2 to 4, the swapping device 100 includes a lifting synchronization shaft 24 and a lifting transmission mechanism 500, wherein the lifting synchronization shaft 24 penetrates through two opposite side walls of the first module 200 or the third module 400 extending along the first direction X, and two ends of the extending side walls are connected to the lifting transmission mechanism 500 outside the side walls and near the second module 300. In the present embodiment, the lift driving mechanism 23 and the lift synchronizing shaft 24 are provided in the first module 200. The lift synchronizing shaft 24 is arranged in the battery replacement equipment 100, and the lift driving mechanism 23 is used for realizing the driving connection of the lift driving mechanism 23 to the lift mechanism 32, so that the moving stability of the lift mechanism 32 is ensured. Meanwhile, one end of the lifting transmission mechanism 500 is connected with the lifting synchronous shaft 24, and the other end is connected with the lifting mechanism 32, and is arranged outside the side wall of the battery replacing device 100 and extends from the first module 200 to the second module 300 along the first direction X, so that the driving force output of the lifting driving mechanism 23 is realized by arranging the lifting transmission mechanism 500, and the moving stability of the lifting mechanism 32 is ensured. The lifting driving mechanism 23 provides power to the lifting synchronous shaft 24 and the lifting transmission mechanism 500, so that the stable operation of the battery replacement device 100 is realized while space resources are saved.

Specifically, the battery replacement device 100 further comprises a lifting transmission assembly 25, a shaft of the lifting driving motor is connected with one end of the lifting transmission assembly 25, and the other end of the lifting transmission assembly 25 is connected with the lifting synchronization shaft 24. A lifting transmission component 25 is arranged between the lifting driving mechanism 23 and the lifting synchronous shaft 24, so that the operation synchronism of the lifting driving mechanism 23 and the lifting synchronous shaft 24 is ensured.

Further, the lifting transmission assembly 25 includes a lifting first gear 251 and a lifting second gear 252, the lifting first gear 251 is disposed on the shaft of the lifting driving mechanism 23, the lifting second gear 252 is disposed on the lifting synchronizing shaft 24, and the lifting first gear 251 and the lifting second gear 252 are engaged. By adopting the structure, the synchronism of the operation of the lifting synchronous shaft 24 and the lifting driving mechanism 23 is ensured through the precision of gear meshing transmission, the operation speed ratio of the lifting mechanism 32 can be changed by regulating and controlling the operation of the shaft of the lifting driving mechanism 23, and further, the meshing of the gears also ensures the operation stability of the lifting mechanism 32.

As shown in fig. 2 to 5, the lifting transmission mechanism 500 includes a first cooperating mechanism 51, one end of the first cooperating mechanism 51 is connected to the lifting synchronization shaft 24, the other end of the first cooperating mechanism 51 is connected to the lifting mechanism 32, and the first cooperating mechanism 51 is configured to drive the lifting mechanism 32 to lift by power provided by the lifting synchronization shaft 24, so as to achieve stability of operation of the lifting mechanism 32, increase a path for transmitting the lifting driving mechanism 23 to the lifting mechanism 32, reduce a moment for driving the lifting mechanism 32 to lift, and prolong service lives of the lifting driving mechanism 23 and the lifting mechanism 32.

As shown in fig. 6-7, the lifting mechanism 32 includes a lifting arm 321 and a rotating shaft 322, one end of the lifting arm 321 is sleeved on the rotating shaft 322, the other end of the lifting arm 321 is connected to the battery replacing device 31, the rotating shaft 322 extends from the inside of the second module 300 to the outside of two opposite side walls of the second module 300 extending along the first direction X, and the first cooperating mechanism 51 drives the lifting mechanism 32 to move along with the rotating shaft 322, so as to implement the lifting operation of the lifting mechanism 32, so that the battery replacing device 31 can be lifted to a position suitable for the battery assembly and disassembly to disassemble the battery on the vehicle. Furthermore, the battery replacing device 31 can be further lifted to different heights, so that automobile chassis with different heights can be met, and the universality of use is enhanced.

Specifically, the first cooperating mechanism 51 includes two cooperating gears and a chain 54, the chain 54 is wrapped on the outer surfaces of the two cooperating gears for driving the two cooperating gears to rotate synchronously, one of the cooperating gears is coaxially connected with the lifting synchronizing shaft 24, and the other cooperating gear is coaxially connected with the rotating shaft 322, so as to ensure the consistency of the operation of the first cooperating mechanism 51 with the lifting mechanism 32 and the lifting driving mechanism 23, and the two cooperating gears are respectively connected with the lifting mechanism 32 and the lifting synchronizing shaft 24, so as to ensure the synchronization of the transmission between the mechanisms.

The number of the lifting mechanisms 32 is plural, and plural lifting mechanisms 32 are provided inside the box structure of the second module 300. The plurality of lifting mechanisms 32 are lifted synchronously, so that the lifting stability of the power conversion device 31 is ensured. Meanwhile, the lifting mechanism 32 is arranged inside the box body structure of the second module 300, the structure is compact, space resources are saved, meanwhile, the connecting surface of the lifting mechanism 32 and the battery replacing device 31 is increased, and the lifting stability and reliability of the battery replacing device 31 are further enhanced.

As shown in fig. 2 to 5, the lifting transmission mechanism 500 includes a second cooperation mechanism 52, the second cooperation mechanism 52 is disposed on a side surface of the box structure of the second module 300 along the moving direction of the battery swapping device 100, and the second cooperation mechanism 52 is configured to drive the plurality of lifting mechanisms 32 to lift synchronously, so that the operation consistency of the plurality of lifting mechanisms 32 is realized, and the stability of the lifting of the battery swapping device 31 is further ensured. The second cooperating mechanism 52 is disposed on the outer surface of the box structure of the second module 300, and the second cooperating mechanism 52 is disposed separately from the lifting mechanism 32, so as to ensure that the second cooperating mechanism 52 does not interfere with the operation of the lifting mechanism 32, and ensure that the mechanisms operate synchronously.

Specifically, the second cooperating mechanism 52 also includes two cooperating gears and a chain 54, the chain 54 is wrapped around the outer surfaces of the two cooperating gears for driving the two cooperating gears to rotate synchronously, the two cooperating gears are coaxially connected to the rotating shaft 322, and one of the rotating shaft 322 is engaged with the first cooperating mechanism 51. Therefore, the second cooperating mechanism 52 and the first cooperating mechanism 51 operate synchronously, the consistency and the synchronism of each lifting mechanism 32 are ensured, and the power exchanging device 31 is more stable in the lifting process.

As shown in fig. 2, the braking resistor 42 is disposed on the first module 200 or the third module 400, and the braking resistor 42 is disposed at least on an outer side wall of one side of the first module 200 or the third module 400 extending along the first direction X along the horizontal direction and is electrically connected to the motor of the walking driving mechanism 21 or the motor of the lifting driving mechanism 23. The braking resistor 42 is provided for the purpose of: mechanical energy generated during braking of the motor is consumed in the form of electric energy through the brake resistor, so that the safety of the motor is improved. Meanwhile, the brake resistor 42 is mounted on the outer side surface of the third module 400 or the first module 200, so that heat dissipation of the brake resistor 42 in the braking process is facilitated, and compared with the case that the brake resistor 42 is arranged inside the module, the situation that cables and the like in the module are burnt due to heat dissipation of the brake resistor 42 is avoided, the heat dissipation efficiency is improved, and meanwhile, the safety of the battery replacing device 100 is guaranteed.

In the present embodiment, the lift driving mechanism 23 is provided in the first module 200, and the braking resistor 42 is provided on the outer side wall of the third module 400. The brake resistor 42 and the lifting driving mechanism 23 are respectively arranged on different modules, so that the space of each module is reasonably utilized, and the structure of each module is more compact.

In the present embodiment, the lifting driving mechanism 23 is disposed in the first module 200, and the lifting driving mechanism 23 and the traveling driving mechanism 21 are respectively disposed on two opposite sidewalls of the first module 200 extending along the first direction X, so as to avoid interfering with normal operation of other components in the first module 200 and save space resources in the first module 200.

As shown in fig. 2, the first module 200 is further provided with first stoppers 41, the first stoppers 41 are respectively disposed on two outer sidewalls of the first module 200 extending along the first direction X along the height direction, and are located between the traveling wheels 223 and the lifting transmission mechanism 500 to protect the lifting transmission mechanism 500; and/or, the third module 400 further includes a second stopper (not shown in the figure), which is disposed on two outer sidewalls of the third module 400 extending along the first direction X in the height direction and is located between the travelling wheel 223 and the braking resistor 42 to protect the braking resistor 42. By arranging the first stop block 41 and/or the second stop block, the traveling wheels 223 are prevented from being separated from the battery replacement device 100 when accidents happen, and the normal operation of the lifting transmission mechanism 500 and/or the brake resistor 42 is prevented from being interfered.

Specifically, the lower end of the first block 41 is not lower than the lower end point of the walking wheels 223 and not higher than the lower edge of the first module 200 to provide support for the first module 200 before or when assembled; and/or the lower end of the second block is not lower than the lower end point of the road wheels 223 and not higher than the lower edge of the third module 400 to provide support for the third module 400 before or when assembled. This serves as a temporary support for the first module 200 and/or the third module 400 before or during the assembly of the first module 200 and/or the third module 400 with the second module 300, and prevents the bottom surfaces of the first module 200 and the third module 400 from being worn by contact with the ground.

As shown in fig. 5 to 11, the battery replacing device 31 includes a battery replacing module 311 and a supporting frame 312, the entire battery replacing module 311 is disposed on the supporting frame 312, and the supporting frame 312 is connected to the lifting mechanisms 32 disposed on the left and right inner side walls of the second module 300 along the first direction X (the disposition position of each lifting mechanism 32 in the second module 300 is shown in fig. 6). In this scheme, support frame 312 provides place the platform for battery replacement module 311 to support frame 312 is connected with lifting mechanism 32, can drive battery replacement module 311 and vertically goes up and down, and through changing the middle zone of module 311 setting at support frame 312 with the battery, makes the atress of battery replacement module 311 in the change battery process more stable. Meanwhile, a support frame 312 is provided to carry the battery exchange module 311, so as to facilitate the integrated installation of the battery exchange module 311 having a complicated structure.

The battery replacement module 311 disposed above the supporting frame 312 may specifically include a base, and a positioning mechanism and an unlocking mechanism disposed on the base, wherein the positioning mechanism acts on the battery or the electric vehicle to perform positioning, and positions the battery or the electric vehicle, so as to ensure the position accuracy of the vehicle relative to the battery replacement device 100 during the battery replacement process, and positions the battery or the electric vehicle relative to the battery, so as to ensure that the battery is effectively moved during the battery replacement process, thereby unlocking and locking the electric vehicle relative to the battery. The unlocking mechanism is used for unlocking the disassembled battery relative to the electric vehicle in the battery replacing process, so that the battery replacing device 100 can smoothly take the battery down from the vehicle, and meanwhile, the unlocking mechanism is used for locking the assembled battery relative to the electric vehicle in the battery replacing process, so that the battery cannot be separated from the electric vehicle in the normal operation of the electric vehicle.

The base can move horizontally relative to the support frame 312 along a second direction Y perpendicular to the first direction X (i.e., a direction perpendicular to the traveling direction of the battery replacing device 100), and drives the positioning mechanism to move, so that the positioning mechanism can be accurately positioned with the vehicle and the battery during the lifting process, and the unlocking mechanism can operate to lock or unlock the battery on or from the vehicle. Through setting up positioning mechanism and release mechanism, guarantee that the battery is at the in-process of changing, realize the accurate location of battery and vehicle chassis, avoid having the battery installation failure that the error leads to because of the location.

The base further includes a first layer plate 3111 and a second layer plate 3112 arranged to be displaced in a horizontal direction, and the first layer plate 3111 and the second layer plate 3112 are respectively fixed to the support frame 312 by a moving mechanism 313 so as to be respectively movable in the second direction Y with respect to the support frame 312.

Here, as shown in fig. 8, the respective moving mechanisms 313 are mounted on the support frame 312 at positions, in this embodiment, the moving mechanisms 313 are screw nut moving mechanisms 313 driven by motors, the first layer plate 3111 is moved in the second direction Y by the two sets of moving mechanisms 313 located on the outer side, and the second layer plate 3112 is moved in the second direction Y by the two sets of moving mechanisms 313 located on the inner side. In addition, for the stability of guaranteeing to remove, still be equipped with two sets of slide rails 314 on support frame 312, slider 315 on the slide rail 314 is connected with first plywood 3111 and second plywood 3112 respectively, realizes the location and the direction to first plywood 3111 and second plywood 3112.

At least two first positioning posts 31111 are provided on the first laminate 3111 for positioning with a battery on a vehicle, and at least two second positioning posts 31121 are provided on the second laminate 3112 for positioning with the vehicle. Thus, in the present embodiment, the positioning mechanism includes a first positioning post 31111 and a second positioning post 31121 for positioning with the battery and the vehicle, respectively.

Through making first plywood 3111 and second plywood 3112 dislocation arrangement in the horizontal direction for the height drop between first plywood 3111 and the second plywood 3112 can further reduce, does not have the height drop even, thereby realizes reducing the purpose of whole battery change module 311 height, makes the height of trading electric equipment 100 further compressed, in order to satisfy the minimum height demand of trading the electricity of heavily blocking. Simultaneously, be equipped with the reference column respectively on first plywood 3111 and second plywood 3112 and carry out the location that corresponds with vehicle and battery respectively for trade electric installation 31 can pinpoint the battery, thereby can effectively carry out battery dismantlement and installation.

In this embodiment, two first positioning posts 31111 located on both sides of the three first positioning posts 31111 also have a function of driving a link mechanism in the battery to unlock. Therefore, the first positioning post 31111 also serves as an unlocking mechanism. Of course, in other embodiments, a separate unlocking mechanism may be provided on the first layer 3111 or the second layer 3112 to unlock the battery.

Specifically, the distance between the first positioning post 31111 and the second positioning post 31121 in the second direction Y is not less than half of the battery length. Therefore, the positioning accuracy and the connection reliability of the battery and the vehicle can be improved, and the phenomenon that the positioning and connection functions are lost due to the fact that the first positioning column 31111 and the second positioning column 31121 are too close to each other is avoided.

Specifically, the second layer plate 3112 has an extending portion along the second direction Y, and the second positioning pillar 31121 is disposed on an edge of the extending portion of the second layer plate 3112. The further precision that has strengthened battery and vehicle chassis and connect improves the in-process that the battery was changed, and the goodness of fit of battery and vehicle bottom has ensured the fastening nature of battery connection on the vehicle, only sets up the extension with second plywood 3112 simultaneously for the whole size that trades other regions of electric equipment need not to increase, with the cost is practiced thrift.

Meanwhile, the base further includes a battery tray 3113, the battery tray 3113 is disposed above the first layer plate 3111 and is connected to the first layer plate 3111 in a floating manner, the first layer plate 3111 carries the battery through the battery tray 3113, and an avoiding hole 31131 for the unlocking mechanism and/or the first positioning post 31111 to extend out is disposed on the battery tray 3113, so that the battery tray 3113 has a certain degree of elastic freedom in a height direction relative to the first layer plate 3111, and in a battery replacement process of the battery replacement device 100, a contact area between the battery tray 3113 and the battery is increased, so as to avoid a stress concentration condition, and meanwhile, a structural damage of the battery replacement device caused by a hard collision between the battery replacement device and the battery can be reduced or avoided.

In this embodiment, the battery tray 3113 includes two tray units 31132, the two tray units 31132 are separately spaced apart from each other and relatively independent from each other, and the tray units 31132 are connected to the first layer plate 3111 in a floating manner. Realize the independent contact of multiple spot between battery tray 3113 and the battery to improve battery tray 3113 and to the stability that bears of battery, avoid battery tray 3113 to produce wholly rocking under great external force strikes, and then guarantee to trade electric equipment 100 and take the battery to march the in-process, the stability of battery. In this embodiment, there are two tray units 31132, and two tray units 31132 are respectively located on two sides of the second module 300 along the second direction X, and an extending mechanism accommodating area into which the extending mechanism of the battery transferring device can extend is formed outside the two tray units 31132 of the tray units 31132. Through the tray unit 31132 that relative interval set up, under the circumstances that does not reduce bearing capacity, reduce the whole area of battery tray 3113, be favorable to reduce cost, and the installation space of other equipment is provided between tray unit 31132, make trade the whole compacter of battery equipment, reasonable operating space is provided at tray unit 31132 simultaneously, make outside hacking machine can stretch into the region between two tray unit 31132 through stretching out its two mechanism, realize that the battery of hacking machine relative trade battery 100 is put and is put the operation. Tray unit 31132 in other embodiments, tray unit 31132 may be more than two, for example four.

In this embodiment, as shown in fig. 10, the floating connection of the tray unit 31132 to the first panel 3111 is achieved by a plurality of coil springs mounted to the first panel 3111, the coil springs 316 are positioned and mounted at the upper surface of the first panel 3111, and the tray unit 31132 and the battery are floatingly supported by bringing the upper ends of the coil springs 316 into contact with the corresponding tray unit 31132 of the battery tray 3113. In addition, in this embodiment, a limiting rod is disposed below the tray unit 31132, and the tray unit 31132 and the coil springs 316 are detachably connected through the limiting rod in each coil spring 316, so that installation and maintenance are facilitated. In other embodiments, the coil spring 316 may be fixed to the tray unit 31132 to ensure that the tray unit 31132 is not separated from the first deck 3111 under any circumstances, but such a structure is not conducive to replacing the tray unit 31132 alone and is not easy to maintain.

As shown in fig. 13 to 15, the second module 300 includes a walking guide mechanism 33, the walking guide mechanism 33 is disposed at the bottom of the second module 300, and the walking guide mechanism 33 is located inside the lifting transmission mechanism 500 and is disposed to be offset from the walking wheel 223 along the first direction X. In the scheme, in the moving process of the battery replacing device 100, the first direction X of the battery replacing device 100 needs to be ensured to be accurate, so the walking guide mechanism 33 is arranged at the bottom of the box structure, and when the battery replacing device 100 moves on the ground, only the walking guide mechanism 33 needs to be ensured to be matched with the track below the battery replacing device 100, so that the walking guide mechanism 33 can run on the track with a specified route. The walking guide mechanism 33 and the walking wheels 223 are arranged in a staggered mode in the first direction X, so that the track matched with the walking guide mechanism 33 cannot influence the normal operation of the walking wheels 223.

Specifically, the travel guide mechanism 33 includes a sheave 331 and an elastic member 332. The grooved wheel 331 can be matched with the ground track so that the battery replacing device 100 can walk along the track. The elastic member 332 is compressible in a vertical direction, the sheave 331 is rollably provided at a lower end of the elastic member 332, and an upper end of the elastic member 332 is connected to the second module 300. The rolling mechanism of the walking guide mechanism 33 is set as the grooved wheel 331, so that the rolling positioning performance relative to the guide rail is improved, meanwhile, the connection of the grooved wheel 331 relative to the second module 300 is realized through the elastic member 332, the grooved wheel 331 is ensured to be always in effective contact with the track, and even when the track is slightly uneven, stable guiding can be ensured. In this embodiment, the elastic member 332 is a compression spring.

As shown in fig. 1, the second module 300 includes a positioning recognition mechanism 34, a mounting bracket is disposed on one side of the second module 300 along the first direction X, the mounting bracket extends outward from a side wall of the second module 300, and does not interfere with the lifting transmission mechanism 500 outside the second module 300, and the positioning recognition mechanism 34 is mounted on the mounting bracket. The accuracy of the battery replacement device 100 installed on the automobile chassis is guaranteed, the positioning recognition mechanism 34 is arranged on the battery replacement device 100, when the battery replacement device 100 moves to the bottom of the automobile chassis, the current vehicle position can be judged through image information transmitted by the positioning recognition mechanism 34, and therefore a battery replacement module on the battery replacement device is further adjusted to the optimal position, and the accuracy of the battery replacement device 100 in the assembling and disassembling process is guaranteed. In the present embodiment, the positioning recognition mechanism 34 is a visual camera.

As shown in fig. 1-2, the first module 200 and/or the third module 400 are respectively provided with a collision avoidance mechanism 43, and the collision avoidance mechanism 43 is located on a side wall of the first module 200 away from the second module 300 along the first direction X and/or the third module 400 is located on a side wall of the second module 300 away from the first direction X. The anti-collision mechanism 43 is arranged to protect the battery replacing device 100 from collision of nearby objects, other objects may exist in front of and behind the battery replacing device 100 during movement of the battery replacing device 100, and the battery replacing device 100 is high in speed during operation, so that the battery replacing device is not damaged when touching other objects, and therefore the anti-collision mechanism 43 is arranged on the surface of the battery replacing device 100 in the first direction X, and the battery replacing device 100 is guaranteed to be intact during movement.

Specifically, the anti-collision mechanism 43 is made of silica gel, so that the contact area of the battery replacement device 100 when the battery replacement device collides with other objects during movement is increased, the stress of the battery replacement device 100 is reduced, and the damage to the battery replacement device 100 is avoided.

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 battery replacing equipment of chassis formula for trade the electric vehicle and trade the electricity, its characterized in that trades the battery equipment and includes:

the first module, the second module and the third module are detachably connected in sequence along a first direction;

a traveling driving mechanism and a traveling mechanism are arranged in the first module and the third module, the traveling driving mechanism is used for providing power for the traveling mechanism, and the traveling mechanism is used for driving the battery replacement equipment to run along the first direction;

the second module is internally provided with a battery replacing device and a lifting mechanism, the battery replacing device is arranged on the lifting mechanism, and the lifting mechanism is used for driving the battery replacing device to lift;

and a lifting driving mechanism is arranged in at least one of the first module or the third module and is used for driving the lifting mechanism to lift.

2. The chassis-type battery replacement device according to claim 1, wherein the traveling drive mechanism is disposed on a side wall of the first module and the third module extending in the first direction, and the traveling mechanism includes:

the walking synchronizing shafts respectively penetrate through two opposite side walls of the first module and the third module, and the two opposite side walls extend along the first direction;

the walking transmission assembly is respectively connected with the walking driving mechanism and the walking synchronous shaft, so that the walking driving mechanism provides power for the walking synchronous shaft through the walking transmission assembly;

and the travelling wheels are arranged at two ends of the travelling synchronous shaft and are positioned at the outer side of the side wall and far away from the second module.

3. The chassis type battery replacement device according to claim 2, further comprising a lifting synchronization shaft, wherein the lifting driving mechanism is disposed on a side wall of the first module or the third module extending along the first direction, the lifting synchronization shaft respectively penetrates two opposite side walls of the first module or the third module extending along the first direction, two ends of the lifting synchronization shaft extending out of the side walls are respectively connected to the outer sides of the side walls and the lifting transmission mechanism close to the second module, and the lifting synchronization shaft is further connected to the lifting driving mechanism to be driven by the lifting driving mechanism.

4. The chassis-type swapping device of claim 3, wherein the lifting transmission extends from the first module to the second module in the first direction and cooperates with the lifting mechanism in the second module such that the lifting drive mechanism provides power to the lifting mechanism through the lifting synchronization shaft and the lifting transmission.

5. The chassis type battery replacement device according to claim 3, wherein a brake resistor is disposed on the first module or the third module, and the brake resistor is disposed at least on an outer side wall of a side of the first module or the third module extending in the first direction along the horizontal direction and is electrically connected to the motor of the walking driving mechanism or the motor of the lifting driving mechanism.

6. The chassis-type power exchanging device as claimed in claim 5, wherein when the lifting driving mechanism is disposed on the first module, the braking resistor is disposed on an outer sidewall of the third module.

7. The chassis-type battery swapping device as claimed in claim 3, wherein when the lifting driving mechanism is disposed on the first module, the lifting driving mechanism and the traveling driving mechanism are respectively disposed on two opposite side walls of the first module extending along the first direction.

8. The chassis-type battery swapping device as claimed in claim 6, wherein the first module further comprises first stoppers, the first stoppers are respectively disposed on two outer sidewalls of the first module extending along the first direction along the height direction and located between the traveling wheel and the lifting transmission mechanism to protect the lifting transmission mechanism;

and/or, the third module still includes the second dog, the second dog along direction of height set up in the third module is followed on two lateral walls that the first direction extends, and be located the walking wheel with protect between the braking resistance.

9. The chassis type battery replacement device as claimed in claim 8, wherein the lower end of the first stopper is not lower than the lower end point of the travelling wheel and not higher than the lower edge of the first module to provide support for the first module before or when being assembled; and/or the lower end of the second block is not lower than the lower end point of the travelling wheel and not higher than the lower edge of the third module so as to provide support for the third module before or when the third module is assembled.

10. The chassis-type battery replacement device according to claim 1, wherein the battery replacement device includes a battery replacement module and a support frame, the battery replacement module is disposed on the support frame, and the support frame is connected to the lifting mechanisms disposed on two opposite inner side walls of the second module extending in the first direction.

11. The chassis-type swapping device of claim 10, wherein the lifting mechanism has a rotating shaft extending out of two opposite side walls of the second module extending along the first direction, the rotating shaft is connected to a lifting transmission mechanism, and the lifting transmission mechanism is located outside the second module and is powered by the lifting driving mechanism to drive the lifting mechanism to move around the rotating shaft.

12. The trolley type battery swapping apparatus as claimed in claim 10, wherein the battery replacement module comprises a base and a positioning mechanism and a unlocking mechanism disposed on the base, the base being horizontally movable relative to the support frame in a second direction perpendicular to the first direction to move the positioning mechanism for positioning with the vehicle and/or the battery so that the unlocking mechanism can perform operations to lock and unlock the battery on and off the vehicle.

13. The chassis-type battery swapping apparatus as claimed in claim 12, wherein the base comprises a first layer board and a second layer board which are arranged in a staggered manner in the horizontal direction, the first layer board and the second layer board are respectively fixed on the support frame through a moving mechanism so as to be respectively movable in the second direction relative to the support frame, at least two first positioning columns are arranged on the first layer board to be positioned with the battery on the vehicle, and at least two second positioning columns are arranged on the second layer board to be positioned with the vehicle.

14. The chassis-type battery replacement device as claimed in claim 13, wherein a distance between the first positioning column and the second positioning column in the second direction is not less than half of a length of the battery.

15. The chassis-type battery replacement device as claimed in claim 14, wherein the second plate has an extension portion along the second direction, and the second positioning column is disposed at an edge of the extension portion of the second plate.

16. The chassis-type battery replacement device according to claim 15, wherein the base further includes a battery tray, the battery tray is disposed above the first layer board and is in floating connection with the first layer board, the first layer board carries the battery through the battery tray, and an avoiding hole for the unlocking mechanism and/or the first positioning post to extend out is formed in the battery tray.

17. The chassis type battery replacement device according to claim 16, wherein the battery tray comprises at least two tray units, each tray unit is arranged separately, and each tray unit is connected with the first layer plate in a floating manner.

18. The chassis-type battery replacement device according to claim 17, wherein the number of the tray units is two, and the two tray units are respectively located at two sides of the second module along the second direction, and an extending mechanism accommodating area into which an extending mechanism of the battery transfer device extends is formed at an outer side of the two tray units.

19. The chassis type battery replacement device according to claim 11, wherein the second module comprises a walking guide mechanism, the walking guide mechanism is arranged at the bottom of the second module, and the walking guide mechanism is located inside the lifting transmission mechanism and is arranged in a staggered manner with a walking wheel of the walking mechanism along the first direction.

20. The chassis-type battery swapping device of claim 19, wherein the walking guide mechanism comprises: the grooved wheel can be matched with a ground track so that the battery replacing equipment can walk along the track;

the elastic piece is compressible along the vertical direction, the grooved wheel is arranged at the lower end of the elastic piece in a rolling mode, and the upper end of the elastic piece is connected to the second module.

21. The chassis-type charging apparatus as claimed in claim 11, wherein the second module includes a positioning recognition mechanism, the second module is provided with a mounting bracket at one side along the first direction, the mounting bracket extends outward from a side wall of the second module without interfering with the lifting transmission mechanism, and the positioning recognition mechanism is mounted on the mounting bracket.

22. The chassis-type battery replacement device as claimed in claim 2, wherein the first module and/or the third module are respectively provided with an anti-collision mechanism, and the anti-collision mechanism is located on a side wall of the first module away from the second module in the first direction and/or on a side wall of the third module away from the second module in the first direction.