CN115303113A

CN115303113A - Stable-structure type battery replacement station

Info

Publication number: CN115303113A
Application number: CN202111474094.2A
Authority: CN
Inventors: 张建平; 朱明厚; 吉毅; 胡海龙; 廖海博
Original assignee: Aulton New Energy Automotive Technology Co Ltd
Current assignee: Aulton New Energy Automotive Technology Co Ltd
Priority date: 2021-12-02
Filing date: 2021-12-02
Publication date: 2022-11-08
Also published as: WO2023098789A1

Abstract

The invention provides a structurally stable battery replacement station which comprises a battery rack and battery transfer equipment, wherein the battery rack is provided with a plurality of battery bin positions for storing battery packs, the battery transfer equipment is used for transferring batteries between the battery bin positions, the battery transfer equipment is positioned between the battery rack and the corresponding battery replacement station side wall, the battery transfer equipment is provided with an installation part for installing a transfer main body part, and the installation part is fixed with a frame and/or the battery rack of the battery replacement station into an integral structure. Adopt above-mentioned structure setting, through with battery transfer equipment with trade power station frame or battery frame fixed structure as an organic whole, the impact that makes battery transfer equipment operation produce can transmit and disperse, promotes operating stability and reliability for the structural strength demand of installation department self descends, can simplify the structure and the material thickness of installation department, realizes purpose such as reduce cost, subtracts the weight. And the installation part, the battery rack and the power station frame can be mutually reinforced, so that the structure of the power station is more stable.

Description

Stable-structure type battery replacement station

Technical Field

The invention relates to the technical field of vehicle battery replacement, in particular to a battery replacement station with a stable structure.

Background

When replacing batteries of an existing electric vehicle, it is generally necessary to take out and transport a battery with a low power from the electric vehicle to a battery rack, and take out and transport a battery with a full power from the battery rack to the electric vehicle, and a component for taking and placing the battery relative to the battery rack is a battery transfer device. The batteries are usually stored on the battery rack in a stacking manner, so that when the batteries are taken out or placed in the battery transporting equipment, the battery transporting equipment needs to move in the horizontal direction or the vertical direction so as to correspond to different battery bins; specifically, matching with different battery positions is realized by configuring a battery taking and placing mechanism in the battery transferring equipment to move in a lifting mode. Based on this structure, because the battery is got and is put the portable setting of mechanism, but also need to load and remove behind the battery, consequently, the steadiness requirement to the body that bears of battery transfer apparatus is very high, need avoid producing among the motion process to rock, impact and noise etc. and lead to the cost of battery transfer apparatus partially. Moreover, with different movement modes, the structure and cost of the bearing body can be changed.

Disclosure of Invention

The invention aims to overcome the defects of battery transfer equipment in the prior art, and provides a stable-structure battery replacement station, aiming at realizing more stable, reliable and low-cost battery transfer of the battery transfer equipment.

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

the utility model provides a power station is traded to firm formula of structure, it is in including having a plurality of battery framves that are used for depositing the battery position in storehouse of battery and being used for carrying out the battery transportation equipment that the battery transported between the battery position in storehouse, battery transportation equipment is located battery frame with correspond trade between the power station lateral wall, battery transportation equipment has the installation department that is used for the installation to transport the main part, the installation department with trade the frame of power station and/or battery frame is fixed as a body structure.

Adopt above-mentioned structure setting, through with battery transportation equipment with trade power station frame or the fixed structure as an organic whole of battery frame, the impact that makes battery transportation equipment operation produce can transmit and disperse, promotes battery transportation equipment operating stability and reliability. In addition, the power station or the battery rack is used for sharing part of load from the mounting part, so that the structural strength requirement of the mounting part is reduced, the structure and the material thickness of the mounting part can be simplified, and the purposes of reducing cost, weight and the like are achieved.

Simultaneously, through will trading installation department, battery stand and the power station frame body coupling in the power station, can strengthen each other between installation department, battery stand and the power station frame three, make the structural strength and the steadiness of battery stand and power station frame all obtain promoting, trade the structure of power station more firm.

Preferably, the mounting portion includes a support frame having four columns, and the bottom and the top surface of the support frame are respectively and fixedly connected with the bottom and the top of the power exchanging station.

Adopt above-mentioned structural style can strengthen the battery transportation equipment and trade the stability of being connected of power station for the impact that the battery transportation equipment operation produced can transmit and disperse, realizes improving the purpose of stability and the reliability of operation. Meanwhile, the power exchange station can help the supporting frame to share a part of load, so that the structural strength requirement of the supporting frame is reduced, the structure and the material thickness of the supporting frame can be simplified, and the purposes of reducing cost, reducing weight and the like are achieved.

Preferably, the top of the supporting frame is fixed to the top of the power exchanging station through a top surface connecting unit to form an integral structure;

and/or the bottom of the supporting frame is fixed into an integral structure with the bottom of the power exchanging station through a bottom surface connecting unit.

This battery transfer equipment is connected with trading the power station through top surface linkage unit and bottom surface linkage unit with its braced frame's top and bottom, makes braced frame and the top and the bottom formation body structure that trade the power station, further strengthens battery transfer equipment and trades the stability of being connected of power station for the impact that battery transfer equipment operation produced can transmit and disperse, promotes operating stability and reliability. Meanwhile, the power station can help the supporting frame to share a part of load, so that the structural strength requirement of the supporting frame is reduced, the structure and the material thickness of the supporting frame can be simplified, and the purposes of reducing cost, lightening weight and the like are achieved.

Meanwhile, the battery transfer equipment is arranged at the position of the battery replacing station, indirect connection of the top of the battery replacing station relative to the bottom of the battery replacing station is achieved through the supporting frame, and the structural stability of the top of the battery replacing station is improved.

Preferably, the bottom surface connecting unit includes a connecting base, the connecting base covers the bottom surface of the battery replacement station, a first mounting hole is formed in the connecting base, the connecting base is connected with the bottom surface of the battery replacement station through the first mounting hole, and the four upright posts of the supporting frame are all fixed on the surface of the connecting base.

Through the structure, the connection strength of the support frame between the stand columns located at the end angle positions of the battery taking and placing units can be improved, so that the load borne by each stand column can be effectively transmitted to the bottom surface of the battery changing station, the strength of the whole structure is improved, and the cost is effectively reduced.

Preferably, the top surface connection unit has a second mounting hole for connecting a top frame of the power exchanging station, and a position of the second mounting hole in a height direction is adjustable.

Through the structure, after the battery transfer equipment is placed in place in the battery replacing station relatively, the height position of the second mounting hole is adjusted, the top surface connecting unit and the top surface frame of the battery replacing station are convenient to align and connect, and the connecting difficulty is reduced.

Preferably, two upright posts in the supporting frame, which are close to the side wall of the battery replacement station, are fixedly connected with the battery rack through a first connecting unit;

and/or two upright posts arranged in the support frame and close to the battery rack are fixedly connected with a side frame of the battery replacement station through a second connecting unit.

Through the structure, the installation part, the battery frame and the side frame of the battery replacement station are fixed into an integral structure, and the battery frame and the side frame of the battery replacement station can help the supporting frame to share a part of load, so that the structural strength requirement of the supporting frame is further reduced, and the purposes of simplifying the structure of the supporting frame and simplifying the material thickness are further achieved.

Preferably, the column comprises: the steel member extends along the vertical direction, the cross section of the steel member is U-shaped, and one side of a U-shaped notch of the steel member faces the first connecting unit or the second connecting unit; the two ends of the connecting plate are respectively in lap joint with the two ends of the U-shaped steel member, and the outer surface of the connecting plate is used for supplying the first connecting unit or the second connecting unit for connection.

Through the structure arrangement, the upright post of the supporting frame can save materials and achieve the purposes of cost reduction and weight reduction on the basis of meeting the structural strength for connecting the first connecting unit.

Preferably, the mounting portion comprises a support frame having four uprights; the transfer body portion comprises: the battery taking and placing unit is arranged among the four upright posts and can move in a lifting way; the battery taking and placing device comprises a plurality of transmission units for driving the battery taking and placing units to move up and down and a driving unit for providing power for the transmission units.

Through the structure, the battery taking and placing unit is relatively fixed and supported by the four stand columns of the supporting frame, stability and balance are improved, power is further provided for the transmission unit through the driving unit, the battery taking and placing unit is driven to achieve lifting, and then the battery taking and placing unit is driven to achieve lifting.

Preferably, the transmission units are disposed corresponding to the columns, each transmission unit includes a rack fixed on the corresponding column, and a gear disposed at a predetermined position of the battery pick-and-place unit and engaged with the rack, and the driving unit drives the gear to rotate to drive the battery pick-and-place unit to realize lifting movement.

The transmission unit drives the battery taking and placing unit to move up and down in a gear and rack mode, the characteristics of stable transmission and high transmission efficiency of the gear and the rack are effectively combined with the working scene of the battery transferring equipment, the gear and rack transmission unit can keep the battery pack taking and placing process of the battery taking and placing unit stable and safe, and the battery pack taking and placing efficiency is improved; and make the structure of battery transfer equipment compacter, practice thrift occupation of land space, further reduce equipment cost.

Preferably, the number of the transmission units is four, the transmission units are respectively arranged at the end angle positions of two sides of the battery taking and placing unit, and each driving unit comprises two driving assemblies which are respectively arranged at two sides of the battery taking and placing unit.

By adopting the structure, the battery taking and placing unit is driven to lift and move by the two transmission units on the same side through the driving component, so that the overall structure of the battery transfer equipment is further simplified, and the equipment cost is reduced.

Preferably, each driving assembly includes a driving motor, a synchronizing shaft respectively connected to the gears of the transmission units at two ends, a driving wheel and a driven wheel respectively sleeved on the output shaft of the driving motor and the synchronizing shaft, and a synchronous belt driven between the driving wheel and the driven wheel.

By adopting the structure, one side of the battery taking and placing unit can simultaneously control two groups of gear rack transmission units to work only by adopting one driving motor through the synchronizing shaft, so that the gear on one side of the battery taking and placing unit can synchronously and uniformly move up and down along the supporting part, and meanwhile, the structure can simplify the overall structure of the transmission units, thereby achieving the beneficial technical effects of reducing the occupied space and reducing the manufacturing cost. In addition, the belt transmission mode is adopted between the driving motor and the synchronizing shaft, so that the precision requirements of manufacturing and mounting of the driving assembly can be effectively reduced, the manufacturing cost is favorably reduced, and the dismounting and the maintenance of operators are facilitated.

Preferably, the transfer body further comprises: the anti-falling mechanism has a first state and a second state, and is clamped with the synchronizing shaft to limit the battery taking and placing unit in the first state; and in the second state, the anti-falling mechanism is far away from the synchronizing shaft, and the synchronizing shaft rotates normally.

By arranging the anti-falling mechanism, when the transmission unit normally operates, the anti-falling mechanism is kept away from a synchronizing shaft of the transmission unit, so that the transmission unit is prevented from being influenced to drive the battery taking and placing unit to lift; when special conditions occur, the anti-falling mechanism limits the rotation of the synchronizing shaft in a clamping mode with the synchronizing shaft, so that the position of the battery taking and placing unit is limited, the anti-falling purpose is realized, and the operation safety of equipment is ensured.

Preferably, the transmission unit further includes an anti-gear-falling assembly, the anti-gear-falling assembly includes a plurality of back wheel sets, and the back wheel sets are respectively arranged in one-to-one correspondence to the transmission units and fixed at preset positions of the battery taking and placing units so as to position the gear in each of the transmission units relative to the rack.

Through set up anticreep tooth subassembly in the drive unit, set up the back of the body wheelset in the position department that corresponds each rack and pinion drive unit, realize the injecing to the relative rack position of gear, improve rack and pinion drive unit's transmission effect and operating stability.

The positive progress effects of the invention are as follows:

through fixing battery transfer equipment and power station frame or battery frame as an organic whole structure, the impact that makes battery transfer equipment operation produce can transmit and disperse, promotes battery transfer equipment operating stability and reliability. In addition, the power station or the battery rack is used for sharing part of load from the mounting part, so that the structural strength requirement of the mounting part is reduced, the structure and the material thickness of the mounting part can be simplified, and the purposes of reducing cost, weight and the like are achieved.

Drawings

Fig. 1 is a schematic structural diagram (i) of a power swapping station according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram (two) of the swapping station according to an embodiment of the present invention.

Fig. 3 is a schematic partial structure diagram of a power swapping station according to an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a battery transportation device according to an embodiment of the present invention.

Fig. 5 is a schematic diagram (one) illustrating a connection relationship between a side portion of a battery transfer apparatus and a battery replacement station according to an embodiment of the present invention.

Fig. 6 is a schematic diagram (two) illustrating a connection relationship between a side portion of a battery transfer device and a battery replacement station according to an embodiment of the present invention.

Fig. 7 is a schematic diagram (iii) illustrating a connection relationship between a side portion of the battery transfer apparatus and the battery replacement station according to an embodiment of the present invention.

Fig. 8 is a schematic diagram (a) illustrating a connection relationship between a side portion of a battery transfer apparatus and a battery rack according to an embodiment of the present invention.

Fig. 9 is a schematic diagram (two) illustrating a connection relationship between a side portion of a battery transfer apparatus and a battery rack according to an embodiment of the present invention.

Fig. 10 is a schematic diagram illustrating a connection relationship between the bottom of the battery transportation device and the power exchange station according to an embodiment of the present invention.

Fig. 11 is a schematic connection diagram of a bottom surface connection unit according to an embodiment of the invention.

Fig. 12 is a schematic structural diagram of a top surface connection unit according to an embodiment of the invention.

Fig. 13 is a schematic connection diagram of a top surface connection unit according to an embodiment of the invention.

Fig. 14 is a schematic view (one) of a state of the top surface of the supporting frame according to an embodiment of the present invention.

Fig. 15 is a schematic view (ii) illustrating a state of the top surface of the supporting frame according to the embodiment of the invention.

Fig. 16 is a schematic structural diagram of a pillar of a support frame according to an embodiment of the present invention.

Fig. 17 is a schematic structural diagram of a first connection unit according to an embodiment of the invention.

Fig. 18 is a schematic structural diagram of a battery transport apparatus according to an embodiment of the present invention (ii).

Fig. 19 is a schematic structural diagram of a transmission unit of the battery transfer apparatus according to an embodiment of the present invention.

FIG. 20 is a schematic view of the overall structure of the fall arrest mechanism according to one embodiment of the present invention.

FIG. 21 is a schematic view of the fall arrest mechanism of an embodiment of the present invention in a first configuration.

FIG. 22 is a schematic view of the fall arrest mechanism of an embodiment of the present invention in a second configuration.

FIG. 23 is a partial schematic view of the fall arrest mechanism according to one embodiment of the present invention.

Fig. 24 is a schematic structural view of the anti-derailment assembly according to an embodiment of the present invention.

Fig. 25 is a schematic diagram of a layout position of the back wheel relative to the rack according to an embodiment of the invention.

Description of the reference numerals:

battery replacement station 100

A first battery replacing module 101, a traffic lane 102 and a second battery replacing module 103

Bottom platform 104, top frame 105, frame upright 106

Battery transfer apparatus 10

Mounting part 1

Supporting frame 11

Column 111

Steel member 1111, connection plate 1112, fourth mounting hole 11121

Top surface 12, third mounting hole 13

Battery taking and placing unit 2

Top surface connecting unit 4

Horizontal connecting member 41, second mounting hole 411

Adjustment member 42

Transmission unit 5

Drive assembly 51, synchronizing shaft 512

A driving wheel 512a, a driven wheel 512b, and an engaging wheel 512c

A timing belt 513 and a driving motor 514

Gear 52

Rack 53

Anti-run gear assembly 54

Back wheel group 541

Back wheel 5411

Bottom surface connecting unit 6

Connecting base 61

Counterweight unit 7

Pulley block 71

First connection unit 81

A first mounting plate 811, a second mounting plate 812, a reinforcing plate 813

Second connecting unit 82

Hoisting part 9

Battery holder 20

Battery compartment 201

Anti-falling mechanism 23

Limiting rod 231

Engaging tooth 2311

Fixed seat 232

Elastic member 233

Detailed Description

The present invention will be more clearly and completely described in the following description of preferred embodiments, taken in conjunction with the accompanying drawings.

The invention provides a power exchanging station 100 with a stable structure, which is shown in fig. 1. In order to show the internal layout of the power swapping station 100, a part of the top plate at the top of the power swapping station 100 is hidden. In this embodiment, the battery swapping station 100 sequentially includes a first battery swapping module 101, a lane 102, and a second battery swapping module 103 from left to right. When a vehicle to be subjected to battery replacement enters and stops at a pending position in the traffic lane 102, the battery replacing trolley takes the battery down from the bottom of the vehicle and moves leftwards or rightwards to the first battery replacing module 101 or the second battery replacing module 103. The first battery replacing module 101 and the second battery replacing module 103 are respectively provided with a plurality of battery racks 20 for storing battery positions 201 of battery packs and a battery transferring device 10 for transferring batteries between the battery positions 201. Taking the example of the battery being transported to the second battery replacing module 103, a process of replacing the battery in the battery replacing station 100 by the battery replacing trolley is described: after the battery replacing trolley moves the battery to the second battery replacing module 103, the battery transferring device 10 takes the battery off the battery replacing trolley and places the battery on one of the battery positions 201 of the battery rack 20, so that the battery rack 20 charges the battery. Then, the battery transportation device 10 takes out another fully charged battery from another battery compartment 201 of the battery rack 20, transports the battery to the battery replacing trolley, and the battery replacing trolley transports the battery to the bottom of the vehicle in a horizontal moving manner and mounts the battery onto the vehicle, so as to achieve the purpose of replacing the battery.

Taking the second battery swapping module 103 of the battery swapping station 100 as an example, the second battery swapping module 103 is specifically arranged as shown in fig. 2 and 3, the battery rack 20 is arranged at a position close to one side of the lane 102, the battery compartments 201 on the battery rack 20 are sequentially stacked in the vertical direction, and the battery transportation device 10 is located between the battery rack 20 and the corresponding side wall of the battery swapping station 100, so that the space utilization rate of the battery swapping station 100 is improved.

The battery transfer apparatus 10 has a mounting portion 1 for mounting a transfer main body portion. The mounting portion 1 in this embodiment is respectively fixed to the frame of the battery replacement station 100 and the battery rack 20 as an integral structure, so that the impact generated by the movement of the battery transfer device 10 can be transmitted and dispersed to the frame of the battery replacement station 100 and the battery rack 20, so as to improve the operation stability and reliability of the battery transfer device 10, and the impact generated by the operation of the battery transfer device 10 is transmitted to various places of the battery replacement station 100, so that the noise generated by the battery replacement station 100 can be reduced. The side of the mounting part 1 facing the battery rack 20 is fixed with the battery rack 20 to form an integral structure, and the side facing away from the battery rack 20 is fixed with the frame of the battery changing station 100 to form an integral structure, so that the structural strength requirement of the mounting part 1 is reduced. In addition, depending on the power station 100 or the battery rack 20 to share a part of the load from the mounting portion 1, the structural strength requirement of the mounting portion 1 itself is reduced, the structure and the material thickness of the mounting portion 1 can be simplified, and the purposes of reducing cost, weight and the like are achieved. In addition, the installation part 1 in the battery replacing station 100 is integrally connected with the battery rack 20 and the framework of the battery replacing station 100, so that the installation part 1, the battery rack 20 and the framework of the battery replacing station 100 can be mutually reinforced, the structural strength and the stability of the battery rack 20 and the framework of the battery replacing station 100 are improved, and the structure of the battery replacing station 100 is more stable.

In the present embodiment, the mounting portion 1 includes a supporting frame 11, and the side of the supporting frame 11 is composed of four posts 111, so that the fixing of the two sides of the mounting portion 1 and the frames of the battery rack 20 and the battery replacement station 100 into an integrated structure is completed by connecting the corresponding posts 111 of the supporting frame 11.

The structural arrangement scheme in this embodiment in which the upright 111 of the support frame 11 and the frame of the power exchanging station 100 are fixed as an integral structure is shown in fig. 5 to 7: in the present embodiment, the mounting portion 1 is connected between the column 111 and the frame of the power station 100 by means of the second connecting unit 82. The second connecting unit 82 in this embodiment is specifically a rectangular tube extending in the horizontal direction, one side surface of the second connecting unit 82 facing the mounting portion 1, which is the rectangular tube, is connected to the two upright posts 111 of the supporting frame 11, and the other side is connected to the two frame upright posts 106 at two end corner positions of the power exchanging station 100, so that the mounting portion 1 and the power exchanging station 100 are integrally connected through the above structural arrangement.

In this embodiment, the frame column 106 of the power exchanging station 100 is only disposed at the corner position of the power exchanging station 100, so that the length of the second connecting unit 82 extending along the horizontal direction is long, and in other embodiments, if the frame column 106 of the power exchanging station 100 is disposed at another position, the second connecting unit 82 may also extend and be connected to the frame column 106.

The structural arrangement of the support frame 11 in this embodiment in which the upright 111 and the battery holder 20 are fixed as an integral structure is shown in fig. 8 and 9: in this embodiment, the first connecting unit 81 is an L-shaped adaptor, and is fixed to the battery rack 20 and the upright 111 of the supporting frame 11 through two mounting planes disposed at an angle of 90 degrees, respectively, so as to fasten the battery rack 20 to the upright 111.

The specific connection structure is shown in fig. 9, in this embodiment, the width of the battery rack 20 facing the supporting frame 11 is H ₁ Is smaller than the width H of the support frame 11 ₂ Thus, by being on both sidesThe first connecting units 81 are respectively installed on the upright posts 111 to connect the battery racks 20, and the width size difference between the battery racks 20 and the support frame 11 does not need to be considered by the corner connecting mode of the first connecting units 81, which is beneficial to the interconnection between the battery racks with different external dimensions and the battery transfer equipment.

It should be explicitly noted that the specific structure of the first connecting unit 81 and the second connecting unit 82 provided in this embodiment is only a preferred structural embodiment of the present invention, in other embodiments, the first connecting unit 81 and the second connecting unit 82 may also adopt other structures to implement the integral connection between the frame of the battery transportation device 10 relative to the battery swapping station 100 and the battery rack 20, for example, in other embodiments, the battery transportation device 10 may also implement the reliable connection relative to the frame column 106 of the battery swapping station 100 by installing a corner connecting structure similar to the first connecting unit 81 on the column 111 facing to the side of the battery swapping station 100.

In this embodiment, the battery transportation device 10 of the battery replacement station 100 is integrally connected to the battery rack 20 and the frame of the battery replacement station 100 through the side surfaces thereof, and the bottom surface and the top surface of the support frame 11 of the battery transportation device 10 are also fixedly connected to the bottom and the top of the battery replacement station 100, so as to further reinforce the support frame 11, thereby improving the stability and the reliability of the operation of the battery transportation device 10, and simplifying the structure and the material thickness of the support frame 11.

Meanwhile, the top of the battery replacing station 100 is indirectly connected with the bottom of the battery replacing station 100 through the supporting frame 11 of the battery transferring device 10, and the structural stability of the top of the battery replacing station 100 is improved.

The top surface 12 of the supporting frame 11 is fixed to the top of the power exchanging station 100 through the top surface connecting unit 4 to form an integral structure. The bottom of the supporting frame 11 is fixed to the ground of the power station 100 through the bottom connecting unit 6 to form an integral structure. By adopting the structure, the connection between the battery transfer equipment 10 and the battery replacing station 100 can be enhanced, the connection stability between the battery transfer equipment 10 and the battery replacing station 100 is further enhanced, the impact generated by the operation of the battery transfer equipment 10 can be transmitted and dispersed, and the purposes of improving the stability and the reliability of the operation are achieved. Meanwhile, the power exchanging station 100 can help the support frame 11 to share a part of load, so that the structural strength requirement of the support frame 11 is reduced, the structure and the material thickness of the support frame 11 can be simplified, and the purposes of reducing cost, lightening weight and the like are achieved.

As shown in fig. 10, two vertical posts 111 of the support frame 11 near the side wall of the battery replacing station 100 are fixedly connected to the battery rack 20 through the first connecting unit 81. Two upright posts 111 arranged near the battery rack 20 in the support frame 11 are fixedly connected with the side wall frame of the battery replacement station 100 through the second connection unit 82. Through the structure, the mounting part 1, the battery rack 20 and the side frame of the battery replacement station 100 are fixed to form an integral structure, the battery rack 20 and the side frame of the battery replacement station 100 can help the supporting frame 11 to share a part of load, the structural strength requirement of the supporting frame 11 is further reduced, and the purpose of simplifying the structure of the supporting frame 11 and the thickness of materials is further achieved.

In the present embodiment, a relatively better structural arrangement of the top surface connecting unit 4 and the bottom surface connecting unit 6 is also provided. As shown in fig. 11, in this embodiment, the bottom surface connecting unit 6 includes a connecting base 61, and the connecting base 61 is disposed on the bottom platform 104 of the power exchanging station 100 to contact the bottom surface of the power exchanging station 100 in a large area, so as to facilitate the transmission of the stress and improve the connection stability. In the present embodiment, the four upright posts 111 of the supporting frame 11 at the positions corresponding to the end corners of the battery transportation device 10 are all fastened to the upper surface of the connecting base 61 by a fixed connection, wherein the fixed connection may be implemented by a scheme existing in the prior art, such as welding, bolting, and the like.

A first mounting hole which is through up and down is formed in the surface of the connecting base 61, and the first mounting hole is used for a screw to penetrate through, so that the tail end of the screw is fixed in a threaded hole correspondingly formed in the bottom surface of the power exchanging station 100. Four upright posts 111 of the supporting frame 11 are all fixed on the surface of the connecting base 61, so that the connection strength of the supporting frame 11 between the upright posts 111 located at the end face of the battery transfer device 10 is improved, the load borne by each upright post 111 can be effectively transmitted to the bottom surface of the battery replacement station 100, and the overall stability of the battery replacement station 100 during operation is improved.

As shown in fig. 12 and 13, in the present embodiment, the top surface connection unit 4 includes a horizontal connection member 41 and an adjustment member 42.

The number of the horizontal connecting members 41 is at least two, the horizontal connecting members 41 are arranged in parallel between the horizontal connecting members 41 and at least distributed at two ends of the top surface 12 of the supporting frame 11, the two ends of each horizontal connecting member 41 are connected to the top frame 105 of the power exchanging station 100, and the top surface 12 of the supporting frame 11 is integrally connected with the power exchanging station 100.

For each horizontal connecting member 41, both ends thereof are provided with second mounting holes 411, and the horizontal connecting member 41 is fixed at the side surface of the top frame 105 at the top of the power exchanging station 100 by means of screws inserted into the second mounting holes 411. The position of the second mounting hole 411 in the height direction is adjustable, so that after the battery transfer device 10 is placed in place in the battery replacing station 100, the height position of the second mounting hole 411 is adjusted, so that the horizontal connecting pieces 41 can be conveniently connected with the top surface frame of the battery replacing station 100 correspondingly, and the connecting difficulty is reduced.

An adjusting member 42 is provided between the horizontal connecting member 41 and the top surface 12 of the support frame 11. The adjustment member 42 is used to achieve the connection of the horizontal connection member 41 with respect to the top surface 12 of the support frame 11, and the adjustment member 42 can adjust the interval between the horizontal connection member 41 and the top surface 12 of the support frame 11 in the vertical direction. Therefore, by arranging the adjusting member 42, the second mounting hole 411 connected with the battery replacing station 100 is formed at the top surface 12 of the supporting frame 11 in an upward expanding manner, so that the second mounting hole 411 can be arranged without considering the height of the supporting frame 11 to be adapted to the battery transporting equipment 10 with different heights, and the characteristic of high universality is achieved.

In addition, in the present embodiment, as shown in fig. 14 and 15, after the hoisting of the battery transfer apparatus 10 with respect to the power exchanging station 100 is completed, the top surface connection unit 4 is installed on the top of the battery transfer apparatus 10. Therefore, a third mounting hole 13 is provided on the top surface 12 of the support frame 11 of the battery handling device 10, and in the case where the top surface connection unit 4 is not mounted, the third mounting hole 13 is also reused as a structure for mounting the hanger 9. Through the structure, when the battery transfer equipment 10 is hoisted to enter the power station 100, the third mounting hole 13 for the adjusting piece 42 to mount is utilized to temporarily mount the hoisting piece 9, and the hoisting requirement is met. After the hoisting is finished, the hoisting piece 9 is detached and the adjusting piece 42 is installed, so that the third installation hole 13 has two functions at the same time.

In this embodiment, a preferable structural arrangement scheme of the upright column 111 is further provided to meet the requirements of installing the first connection unit 81 and the second connection unit 82 while meeting the requirements of reducing weight, cost and materials. As shown in fig. 16, the column 111 has the following specific structure: the vertical column 111 is formed of a steel member 1111 extending in the vertical direction and a plurality of attachment plates 1112 fixed to the steel member 1111. The cross section of the steel member 1111 is U-shaped, the connection plate 1112 is installed on the notch side of the U-shape of the steel member 1111, both sides of the connection plate 1112 in the length direction are fixed to both ends of the U-shape of the steel member 1111 by welding, a fourth installation hole 11121 for connecting the first connection unit 81 or the second connection unit 82 is formed on the surface of the connection plate 1112, and the fourth installation hole 11121 may be a threaded hole so as to be fixed by screwing. Through the structural arrangement of the upright column 111, on the basis of realizing the function of connecting the first connecting unit 81 or the second connecting unit 82, the upright column 111 can save the material of the upright column 111, and the purposes of cost reduction and weight reduction are achieved.

Corresponding to the specific implementation structure of the stand column 111 provided in this embodiment, the first connecting unit 81 and the second connecting unit 82 can implement reliable connection of the stand column 111 with respect to the side wall of the battery rack 20 or the battery changing station 100 by using the following structure, and at the same time, can also have the capability of adjusting the installation position along the horizontal or vertical direction, so as to improve the installation adaptability, here, taking the specific structure of the first connecting unit 81 as an example:

as shown in fig. 17, in the present embodiment, the first connecting unit 81 has a first mounting plate 811 and a second mounting plate 812 disposed at an angle of 90 ° with respect to each other. The first mounting plate 811 is used to connect with the support column of the battery holder 20, and the second mounting plate 812 is fixed to the fourth mounting hole 11121 of the connecting plate 1112 of the upright 111 by a screw. Wherein, be 90 contained angles between first mounting panel 811 and the second mounting panel 812 to in the braced frame 11 of connecting battery frame 20 and battery transfer equipment 10 respectively from different directions, thereby reserve sufficient installation space, make things convenient for constructor through fasteners such as different construction bolts, realize the fixed connection of the corresponding battery transfer equipment 10 of battery frame 20. As can be seen from fig. 17, on the surfaces of the first mounting plate 811 and the second mounting plate 812, there are provided a waist-shaped hole extending in different directions, a waist-shaped hole extending in the horizontal direction provided on the first mounting plate 811, and two waist-shaped holes extending in the vertical direction provided on the second mounting plate 812, respectively. Through the waist-shaped holes arranged along the horizontal direction or the vertical direction, the first connecting unit 81 has the capability of adjusting the installation position along the horizontal direction and the vertical direction, so that the structure to be connected is better attached, and the purpose of reliable connection is realized.

In addition, the first connecting unit 81 further includes reinforcing plates 813 connected to the first mounting plate 811 and the second mounting plate 812, respectively, and by providing the reinforcing plates 813, the position of the first mounting plate 811 with respect to the second mounting plate 812 is prevented from being deformed during long-term use.

As shown in fig. 18, the transferring main body includes a battery taking and placing unit 2 for taking and placing a battery relative to any battery compartment of the battery rack 20, the battery taking and placing unit 2 is disposed between four upright posts 111, and the battery taking and placing unit 2 is driven by the transmission unit 5 to move up and down on the upright posts 111 along a vertical direction. The above structure arrangement can rely on the four upright posts 111 of the supporting frame 11 to relatively fix and support the battery taking and placing unit 2, so as to improve the stability and balance. Further, the driving unit may provide power to the transmission unit 5, so that the transmission unit 5 drives the battery taking and placing unit 2 to move up and down. The types and the number of the driving units and the transmission units 5 can be selected as required, one group of driving units can be selected to drive a plurality of groups of transmission units 5 simultaneously, and a plurality of groups of driving assemblies 51 can be selected to drive a plurality of groups of transmission units 5 simultaneously, on the premise that the normal operation of the battery taking and placing unit 2 is ensured, and the purpose of battery taking and placing operation is achieved. In this embodiment, the number of the transmission units 5 is four, and the transmission units are respectively disposed at four corner positions of the battery taking and placing unit, each of the driving units includes two driving assemblies, the two driving assemblies are respectively disposed at the left and right sides of the battery taking and placing unit 2, and the driving assembly located at one side is respectively connected to the two transmission units 5 at the two ends of the same side, so as to provide power to the two transmission units 5, thereby realizing the lifting of the battery taking and placing unit 2 relative to the supporting frame 11.

In addition, as shown in fig. 4, in the present embodiment, the transfer main body further includes two counterweight units 7, the two counterweight units 7 are distributed on the left and right sides of the battery taking and placing unit 2 and connected to the battery taking and placing unit 2 through chains (not shown in the figure), and the chains change their transmission directions through pulley blocks 71, so that when the battery taking and placing unit 2 is lifted, the counterweight units 7 are synchronously lowered, and when the battery taking and placing unit 2 is lowered, the counterweight units 7 are synchronously raised, thereby achieving the purpose of counterweight.

As shown in fig. 19, in the present embodiment, the transmission units 5 are disposed corresponding to the upright posts 111, and each transmission unit 5 includes a rack 53 fixed on the corresponding upright post 111, and a gear 52 disposed at the battery taking and placing position and engaged with the rack 53, so that the driving unit drives the battery taking and placing unit 2 to move up and down by rotating the driving gear 52. The above manner can effectively combine the characteristics of stable transmission and high transmission efficiency of the gear 52 and the rack 53 with the working scene of the battery transfer equipment 10, so that the gear 52, the rack 53 and the transmission unit 5 can keep the battery pack taking and placing process of the battery taking and placing unit 2 stable and safe, the battery pack taking and placing efficiency is improved, the structure of the battery transfer equipment 10 is more compact, the occupied space is saved, and the equipment cost is further reduced.

The number of the transmission units 5 is four, and the four transmission units 5 respectively correspond to the end angle positions of two sides of the battery taking and placing unit 2 and are respectively arranged between the supporting frame 11 and the battery taking and placing unit 2. The gear 52 is provided on the battery pick-and-place unit 2, the rack 53 is provided on the support frame 11 in the vertical direction, and the gear 52 and the rack 53 are maintained in an engaged state. The two driving units include two driving assemblies 51, and the driving assemblies 51 are respectively disposed at two sides of the battery pick-and-place unit 2 to drive the transmission units 5 located at two ends of the same side of the battery pick-and-place unit 2 to synchronize 513 the battery pick-and-place unit 2 to move up and down. That is, when the driving assembly 51 moves, the driving assembly 51 drives the gear 52 to roll on the rack 53, so that the gear 52 mounted on the battery taking and placing unit 2 drives the battery taking and placing unit 2 to move up and down on the supporting frame 11, thereby further simplifying the overall structure of the battery transferring device and reducing the device cost.

As shown in fig. 20 to 21, for the driving assemblies 51 disposed at the left and right sides of the battery taking and placing unit 2, each driving assembly 51 includes a driving motor 514, a synchronizing shaft 512 and a timing belt 513, wherein the synchronizing shaft 512 is connected to the transmission units 5 at the two ends, the synchronizing shaft 512 includes a driving wheel 512a and a driven wheel 512b, the output shaft of the driving motor 514 is coaxially connected to the driving wheel 512a, the driving wheel 512a is connected to the driven wheel 512b through the timing belt 513, and the whole movement process of the transmission unit 5 is as follows: the rotation of the driving wheel 512a drives the rotation of the driven wheel 512b through the synchronous belt 513, so as to drive the rotation of the synchronous shaft 512, further drive the gears 52 of the two sets of transmission units 5 respectively connected to the two ends of the synchronous shaft 512, make the gears 52 move up and down on the corresponding racks 53, and finally achieve the purpose of making the battery taking and placing unit 2 move up and down and conveying the battery.

The type and number of the synchronous belts 513 can be selected as required, a transmission belt or a chain can be selected, and the synchronous belts can be arranged to run together in an upper layer or a single layer. In this embodiment, the chain is adopted to meet the requirement of meeting the operation requirement, so as to meet the requirement of transferring the battery with a high battery replacement power station 100.

The battery taking and placing unit 2 is disposed in the supporting frame 11, gear and rack transmission units are respectively disposed between four ends of the battery taking and placing unit 2 and the supporting frame 11, a synchronizing shaft 512 and a driving motor 514 are respectively disposed on two sides of the battery taking and placing unit 2, the synchronizing shaft 512 is fixedly connected to the gears 52 in the two sets of gear and rack transmission units on the same side of the battery taking and placing unit 2, so that the gears 52 at the two ends and the synchronizing shaft 512 rotate coaxially, the driving motor 514 is fixedly connected to the battery taking and placing unit 2, the driving motor 514 drives the synchronizing shaft 512 to rotate to drive the two gears 52 on one side of the battery taking and placing unit 2 to roll on the corresponding racks 53, so that the synchronizing shaft 512 drives one side of the battery taking and placing unit 2 to move up and down, that is, in this embodiment, by controlling the two driving motors 514 disposed on the battery taking and placing unit 2 respectively, it is possible to ensure that the four ends of the battery taking and placing unit 2 move up and down in the same horizontal plane.

Under the above-mentioned situation of this kind of structure setting, synchronizing shaft 512 makes one side of battery get unit 2 just adopt a driving motor 514 just can control two sets of rack and pinion drive units simultaneously and carry out work, make the gear 52 of battery get unit 2 one side can be synchronous along the supporting part along the vertical direction, lift the removal in unison, the overall structure of rack and pinion drive unit can be simplified to such structure simultaneously, thereby reach the beneficial technological effect that reduces occupation of land space, reduce manufacturing cost, adopt the belt driven mode between driving motor 514 and synchronizing shaft 512 can effectively reduce the precision requirement of manufacturing and installation of drive assembly 51 in addition, be favorable to reducing manufacturing cost, be convenient for operating personnel dismouting and maintenance.

The transfer body portion further includes a fall arrest mechanism 23, the fall arrest mechanism 23 being provided in the battery transfer device 10. The anti-falling mechanism 23 is provided to ensure the safety of the battery transportation device 10 and minimize the risk of accidents when the battery transportation device 10 cannot operate normally due to an emergency situation.

The anti-falling mechanism 23 is connected to the transmission unit 5, and in this embodiment, the anti-falling mechanism 23 is preferably connected to both ends of the synchronizing shaft 512. The fall preventing mechanism 23 has a first state and a second state, wherein the first state is a state when an emergency occurs in the transmission unit 5, for example, when the timing belt 513 breaks, the fall preventing mechanism 23 serves to ensure that the entire battery transport apparatus 10 is maintained in a safe condition (see fig. 22); the second state thereof is a state in which the entire battery handling apparatus 10 is kept away from the synchronizing shaft 512 in the normal operating state (see fig. 21).

The working principle of the fall protection mechanism 23 is as follows: when the transmission unit 5 normally operates, the anti-falling mechanism 23 is in the second state, and the anti-falling mechanism 23 is kept away from the synchronizing shaft 512 of the transmission unit 5 relatively, so that the anti-falling mechanism 23 is prevented from influencing the driving of the battery taking and placing unit 2 by the transmission unit 5; when a special condition occurs (i.e., when the timing belt 513 breaks), the anti-falling mechanism 23 limits the rotation of the timing shaft 512 by engaging with the timing shaft 512, so that the anti-falling mechanism 23 is switched from the second state to the first state, the position of the battery taking and placing unit 2 is limited, the battery taking and placing unit cannot lift greatly, the anti-falling purpose is achieved, and the taking and placing unit is ensured to be in a safe state under a normal working environment. The switching of the two states of the safety brake device 23, i.e. the different engagement states, together ensures the proper operation of the battery transport device 10.

The fall preventing mechanism 23 of the present embodiment has the following specific structure: as shown in fig. 23, the fall preventing mechanism 23 includes a limit lever 231, one end of the limit lever 231 is pivotally connected to a side position of the battery pick-and-place unit 2 and is located below the timing shaft 512, and the other end is positioned on the timing belt 513 by a roller, so that the position of the limit lever 231 is limited by the timing belt 513. In this embodiment, the structure for pivotally connecting the limiting rod 231 to the side of the battery taking and placing unit 2 is provided by a fixing seat 232 fixed to the frame of the battery taking and placing unit 2, and one end of the limiting rod 231 is movably connected to the fixing seat 232, so as to realize a moving manner that the other end of the limiting rod 231 swings in the direction indicated by the arrow in fig. 23 through a connection point with the fixing seat 232 as a base point, and by the swinging manner, the limiting rod 231 is switched between the first state and the second state. In such a movement mode, the movement path of the limiting rod 231 is simple, which is beneficial to improving the operation reliability of the anti-falling mechanism 23.

Specifically, the surface of one side of the limiting rod 231 facing the synchronizing shaft 512 is provided with a meshing tooth 2311 for clamping the synchronizing shaft 512, and when the synchronizing shaft 513 is in a normal running state, because the roller at the tail end of the limiting rod 231 contacts with the synchronizing shaft 513 for limiting, the distance between the meshing tooth 2311 on the limiting rod 231 and the synchronizing shaft 512 is far away, so that the normal rotation of the synchronizing shaft 512 is prevented from being influenced; when the synchronous belt 513 is in an abnormal operation state (for example, a fracture or the like), the synchronous belt 513 cannot limit the limiting rod 231 through the roller, so that the limiting rod 231 performs a turning motion in a direction close to the synchronous shaft 512, and the meshing teeth 2311 are engaged with the synchronous shaft 512 to prevent the synchronous shaft 512 from further rotating, thereby achieving the purpose of preventing falling.

In this embodiment, when the limiting rod 231 is switched from the second state to the first state along the direction indicated by the arrow in fig. 22, the engaging teeth 2311 on the limiting rod 231 are engaged with the engaging wheels 512c fixed on the surface of the synchronizing shaft 512, so as to realize the function of continuously rotating the synchronizing shaft 512, enhance the matching effect between the synchronizing shaft 512 and the limiting rod 231, and realize the anti-falling measure of the anti-falling mechanism 23. The clamping wheel 512c is arranged on the surface of the synchronizing shaft 512 to realize clamping relative to the limiting rod 231, so that the surface of the synchronizing shaft 512 can be prevented from being damaged due to meshing, and long-term operation of the synchronizing shaft 512 is facilitated.

As shown in fig. 21, the fall preventing mechanism 23 in this embodiment further includes an elastic member 233, one end of the elastic member 233 is connected to the limiting rod 231, and the other end of the elastic member 233 is fixedly connected to the battery taking and placing unit 2, and the elastic member 233 is used for applying a force to the limiting rod 231 to switch the limiting rod 231 to the first state. The elastic member 233 shown in fig. 15 is only used to illustrate a preferred arrangement position of the elastic member 233 and a connection relationship with the limiting rod 231, and all the elastic members 233 in the prior art can be specifically used to maintain the force applied to the limiting rod 231 to switch to the first state.

In this embodiment, the elastic member 233 is preferably a coil spring, an acting force is applied to the limiting rod 231 by setting the elastic member 233, no matter which state the anti-falling mechanism 23 is in, the acting force of the elastic member 233 makes the limiting rod 231 always in a high-position sprung state, after the synchronous belt 513 is accidentally broken, the acting force applied by the elastic member 233 makes the limiting rod 231 switch to the first state faster, and then the fastening to the synchronous shaft 512 is quickly realized, the anti-falling efficiency of the limiting rod 231 is enhanced, and the anti-falling reaction speed of the anti-falling mechanism 23 is fast.

Among them, the preferable setting range of the elastic member 233 is as follows: within the included angle between the limiting rod 231 and the battery taking and placing unit 2, the mounting position thereof may be set at any position of the included angle as required. In this embodiment, the elastic member 233 is disposed at the farthest position from the connection position of the limiting rod 231 and the fixing seat 232, that is, one end of the elastic member 233 is disposed at the farthest end of the limiting rod 231 away from the fixing seat 232, and the other end of the elastic member 233 is disposed at the battery taking and placing unit 2 at a corresponding distance from the fixing seat 232.

In addition, as shown in fig. 24 and fig. 25, the transmission unit 5 further includes an anti-gear-disengaging assembly 54, the anti-gear-disengaging assembly 54 includes a plurality of back wheel sets 541, and the back wheel sets 541 are respectively disposed in one-to-one correspondence with the rack-and-pinion transmission units and fixed on preset positions of the battery pick-and-place unit 2, so as to position the gear 52 in each set of rack-and-pinion transmission units relative to the rack 53.

In the rack-and-pinion transmission unit, the rack 53 is fixedly connected with the upright column 111 of the support frame 11, the gear 52 is coaxially and fixedly connected with the end of the synchronizing shaft 512, the driving motor 514 drives the synchronizing shaft 512 to rotate so as to enable the gear 52 to roll on the rack 53, in order to ensure that the gear 52 and the rack 53 always have good meshing effect in the rolling process of the gear 52 on the rack 53, the end of the synchronizing shaft 512 is further provided with an anti-disengaging assembly 54, the anti-disengaging assembly 54 is provided with a plurality of back wheel sets 541, each back wheel set 541 is respectively abutted against different wall surfaces on the rack 53 so as to enable the gear 52 to carry out constraint in different directions relative to the rack 53, and the anti-disengaging assembly 54 of the transmission unit 5 realizes the limitation of the position of the gear 52 relative to the rack 53 by arranging the back wheel sets 541 at the positions corresponding to the rack-and-pinion transmission units, thereby improving the transmission effect and the operation stability of the rack-pinion transmission unit.

The back wheel set 541 of the anti-disengagement assembly 54 is provided with the back wheel 5411 positioned on the back surface of the rack 53, and the two back wheels 5411 in the back wheel set 541 are used for respectively limiting the vertical direction and the horizontal direction of the gear 52 relative to the tooth surface of the rack 53, so that the gear 52 can be meshed with the tooth surface and cannot be disengaged from the vertical direction and the horizontal direction, the gear 52 can be stably meshed with the rack 53, and the transmission is more stable. The battery taking and placing unit 2 is interposed between the rack 53 in three directions by the gear 52 and the two back wheels 5411 of the back wheel set 541, so that stress on the gear 52 can be reduced and the gear 52 is not easily damaged. Compare back wheel 5411 of back of body wheelset 541 and spacing from other directions, change spacing from the opposite side of the relative rack 53 of gear 52 to spacing from the back and side respectively, also reduced the volume of battery transportation equipment 10, reduced occupation of land space, reduced the cost that trades power station 100.

As shown in fig. 25, two back wheels 5411 that limit the vertical and horizontal directions of the gear 52 with respect to the tooth surface of the rack 53 in a plane perpendicular to the axis of the rack 53 form one back wheel group 541. As shown in fig. 24, in the present embodiment, two back wheel sets 541 are respectively installed on the upper and lower sides of the contact position of the gear 52 and the rack 53, and the two back wheel sets 541 constitute an anti-disengagement assembly 54. That is, the disengagement preventing assembly 54 is provided with four back wheels 5411 corresponding to a set of transmission units 5 composed of the rack 53 of the pinion 52 so that the pinion 52 is kept engaged with the rack 53. When the gear 52 rolls upwards or downwards on the rack 53, the stress on the upper side and the lower side of the meshing position of the gear 52 and the rack 53 is balanced, which is beneficial to ensuring the stress distribution when the gear 52 is meshed with the rack 53 to be consistent all the time and improving the service life of the gear 52 and the rack 53. Meanwhile, compared with the battery taking and placing unit 2, the design enables the upper side and the lower side of the battery taking and placing unit 2 in the vertical direction to be supported by the back wheels 5411, so that the battery taking and placing unit 2 can run more stably in the lifting process, the running stability of the battery changing station 100 is ensured, and abnormal sound generated in the running process is reduced.

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

Claims

1. The utility model provides a power station is traded to firm formula of structure, trade the power station including have a plurality of battery framves that are used for depositing the battery position in storehouse of battery package and be used for carry out the battery transportation equipment that the battery transported between the battery position in storehouse, its characterized in that, battery transportation equipment is located battery frame with correspond trade between the power station lateral wall, battery transportation equipment has the installation department that is used for the installation to transport the main part, the installation department with trade the frame of power station and/or battery frame is fixed as a body structure.

2. The structurally stable power exchanging station as claimed in claim 1, wherein the mounting portion comprises a support frame having four uprights, and the bottom and top surfaces of the support frame are fixedly connected with the bottom and top of the power exchanging station, respectively.

3. The structurally stable power swapping station as claimed in claim 2, wherein the top of the support frame is fixed to the top of the power swapping station by a top surface connection unit to form an integral structure;

4. The structurally stable replacing station as claimed in claim 3, wherein the bottom connecting unit comprises a connecting base, the connecting base is disposed on the bottom of the replacing station in a covering manner, a first mounting hole is disposed on the connecting base, the connecting base is connected with the bottom of the replacing station through the first mounting hole, and the four upright posts of the supporting frame are fixed on the surface of the connecting base.

5. The structurally stable swapping station of claim 3, wherein the top surface connection unit has a second mounting hole for connecting a top frame of the swapping station, and the position of the second mounting hole in the height direction is adjustable.

6. The structurally stable battery replacement station as claimed in claim 2, wherein two of the upright posts in the support frame near the side wall of the battery replacement station are fixedly connected with the battery rack through a first connection unit;

and/or two upright posts in the supporting frame, which are close to the battery rack, are fixedly connected with the side frame of the battery replacement station through a second connecting unit.

7. The structurally sound power station of claim 6, wherein the column comprises:

the steel member extends along the vertical direction, the cross section of the steel member is U-shaped, and one side of a notch of the U-shaped of the steel member faces the first connecting unit or the second connecting unit;

the two ends of the connecting plate are respectively lapped at the two ends of the U-shaped steel member, and the outer surface of the connecting plate is used for connecting the first connecting unit or the second connecting unit.

8. The structurally sound power station of claim 2, wherein the mounting portion comprises a support frame having four uprights;

the transfer body portion comprises:

the battery taking and placing unit is arranged among the four upright posts and can move in a lifting way;

a plurality of transmission units for driving the battery taking and placing units to move up and down,

a drive unit for providing power to the transmission unit.

9. The structurally stable battery replacement station as claimed in claim 8, wherein the transmission units are disposed corresponding to the columns, each of the transmission units includes a rack fixed on the corresponding column, and a gear disposed at a predetermined position of the battery pick-and-place unit and engaged with the rack, and the driving unit drives the gear to rotate to drive the battery pick-and-place unit to achieve the lifting movement.

10. The structurally stable battery replacement station as claimed in claim 8, wherein the number of the transmission units is four, and the transmission units are respectively disposed at end corners of two sides of the battery pick-and-place unit, and the driving unit includes two driving assemblies respectively disposed at two sides of the battery pick-and-place unit.

11. The structurally-stabilized power conversion station as claimed in claim 10, wherein each of the driving assemblies comprises a driving motor, a synchronizing shaft respectively connecting the gears of the transmission units at the two ends, a driving wheel and a driven wheel respectively sleeved on the output shaft of the driving motor and the synchronizing shaft, and a synchronous belt driven between the driving wheel and the driven wheel.

12. The structurally-stabilized power exchange station as recited in claim 11, wherein the transfer body section further comprises: the anti-falling mechanism has a first state and a second state, and is clamped with the synchronizing shaft to limit the battery taking and placing unit in the first state; and in the second state, the anti-falling mechanism is far away from the synchronizing shaft, and the synchronizing shaft rotates normally.

13. The structurally stable battery replacement station as claimed in claim 9, wherein the transmission unit further comprises an anti-disengagement assembly, the anti-disengagement assembly comprises a plurality of back wheel sets, the back wheel sets are respectively arranged corresponding to the transmission units one by one and fixed at preset positions of the battery taking and placing unit, so as to position the gear of each transmission unit relative to the rack.