CN218431198U

CN218431198U - Heavy truck bottom battery replacement system

Info

Publication number: CN218431198U
Application number: CN202222654748.6U
Authority: CN
Inventors: 王伟; 梁雄俊; 梁虎; 李永昌; 朱霖; 赵伟
Original assignee: Guozhi New Energy Technology Shenzhen Co ltd; Shenzhen Jingzhi Machine Co Ltd
Current assignee: Guozhi New Energy Technology Shenzhen Co ltd; Shenzhen Jingzhi Machine Co Ltd
Priority date: 2022-10-09
Filing date: 2022-10-09
Publication date: 2023-02-03
Anticipated expiration: 2032-10-09

Abstract

The application relates to a heavy truck bottom battery replacement system. Heavy card bottom trades electric system includes: battery replacement trolley; and the lifting platform is used for bearing the battery replacing trolley to move relative to the vehicle so as to move the battery box borne by the battery replacing trolley to the vehicle or move the battery box of the vehicle to the battery replacing trolley. When the battery replacing trolley moves to the lifting platform, the heavy truck bottom battery replacing system moves relative to the vehicle by bearing the battery replacing trolley so as to move the battery box of the vehicle to the battery replacing trolley and move the battery box loaded by the battery replacing trolley to the vehicle, and thus the operation of replacing the battery box for the vehicle from the bottom of the vehicle is realized.

Description

Heavy truck bottom battery replacement system

Technical Field

The utility model relates to a trade electric field, especially a battery box handing-over equipment trades electric system with heavily block bottom.

Background

Along with the general popularization of the battery replacement mode, the battery replacement weight card is applied to large-scale market, and the characteristics of the cargo carrying space of the back-mounted battery replacement weight card, the influence on the vehicle power, the control performance and the like are gradually highlighted. At present, main current heavy truck manufacturers research wheel-side driving products, and design is proposed to eliminate a transmission shaft between main beams to provide enough space for a chassis to load a battery, so that the feasibility technical scheme research of chassis type battery replacement is developed. With the progress and development of the electric heavy truck technology, the development trend of the chassis type battery replacement system is increasingly urgent. The existing rear-mounted scheme has the following defects that firstly, in the aspect of design of the whole vehicle, the weight of the battery box is totally concentrated on a front shaft of the whole vehicle, and the load of the front shaft is increased. Secondly, from the aspect of freight transportation, the battery box of the existing scheme occupies the space of a container, and the transport capacity of the whole vehicle is influenced. And thirdly, from the aspect of energy consumption, because the battery box in the existing scheme is arranged behind the cab, the forward design of the low wind resistance coefficient of the cab is influenced, and the energy consumption of the whole vehicle is increased invisibly.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is desirable to provide a bottom battery replacement system for heavy trucks, which is used to replace the battery box for heavy trucks from the bottom.

Therefore, the present disclosure provides a heavy truck bottom battery replacement system, including:

battery changing trolley;

and the lifting platform is used for bearing the battery replacing trolley to move relative to the vehicle so as to move the battery box borne by the battery replacing trolley to the vehicle or move the battery box of the vehicle to the battery replacing trolley.

The heavy truck bottom battery replacement system further comprises a battery replacement area for parking a vehicle, and the lifting platform is located below the battery replacement area and used for moving below the vehicle in the vertical direction of the battery replacement trolley along the bearing capacity.

The heavy truck bottom battery replacement system further comprises a battery rack, the battery rack comprises one or more battery bins for storing the battery boxes, and the battery replacement trolley moves between the battery rack and the battery replacement area to carry the battery boxes.

According to heavy truck bottom trade electric system, still include:

the first transfer mechanism is used for moving the battery box along the vertical direction and transferring the battery box with the battery changing trolley;

and the second handover mechanism is used for moving the battery box along the horizontal direction and moving the battery box between the first handover mechanism and the battery compartment.

According to the heavy truck bottom battery replacement system, the battery rack comprises a plurality of battery bins which are stacked in the vertical direction.

According to the heavy truck bottom battery replacement system, the battery is erected on two sides of the first handover mechanism along the first direction, and the second handover mechanism moves the battery box along the first direction in the horizontal plane.

According to heavy truck bottom trade electric system, first handing-over mechanism includes:

a support pillar;

and the carrying piece is movably connected with the supporting column along the vertical direction and is used for moving the battery box along the vertical direction.

According to the heavy truck bottom battery replacement system, the carrying piece protrudes out of the supporting column in the horizontal direction and is used for supporting the battery box from the bottom of the battery box so as to move the battery box in the vertical direction.

According to heavy truck bottom trade electric system, the second handing-over mechanism includes:

the mobile supporting plate is used for bearing the battery box;

the telescopic component is connected with the movable supporting plate and the battery bin and is used for bearing the movable supporting plate to extend out or retract between the battery bin and the carrying piece.

The heavy truck bottom battery replacement system further comprises a track arranged between the carrying piece and the lifting platform, and the battery replacement trolley moves between the lifting platform and the carrying piece along the track.

Compared with the prior art, when the battery replacing trolley moves to the lifting platform, the heavy truck bottom battery replacing system moves relative to the vehicle by bearing the battery replacing trolley so as to move the battery box of the vehicle to the battery replacing trolley and move the battery box loaded by the battery replacing trolley to the vehicle, and the operation of replacing the battery box for the vehicle from the bottom of the vehicle is realized.

Drawings

In order to make the description of the embodiments more clear, the drawings needed for the description of the embodiments are briefly described below, it being obvious that the drawings in the description below are some examples of the disclosure, from which other drawings may be derived by a person skilled in the art without inventive effort.

Fig. 1 is a schematic structural diagram of a heavy truck bottom power swapping system.

Fig. 2 is a schematic structural view of the lifting platform.

Fig. 3 is a schematic structural diagram of the battery replacing trolley.

Fig. 4 is a schematic structural view of the battery case.

Fig. 5 is a schematic structural diagram of the first interface mechanism.

Fig. 6 is a schematic structural view of the battery rack and the second interface mechanism.

Fig. 7 is a schematic structural diagram of a battery box for connecting the battery replacing trolley and the vehicle.

Fig. 8 is a schematic structural view of a battery box connected between the battery changing trolley and the first connecting mechanism.

Fig. 9 is a schematic structural diagram of the first and second delivery mechanisms for delivering and receiving the battery boxes.

Description of the main elements

The following detailed description will further illustrate the disclosure in conjunction with the above-described figures.

Detailed Description

In order that the above objects, features and advantages of the present disclosure can be more clearly understood, a detailed description of the present disclosure will be given below with reference to the accompanying drawings and detailed description. In addition, the embodiments and features of the embodiments of the present application may be combined with each other without conflict. In the following description, numerous specific details are set forth to provide a thorough understanding of the present disclosure, and the described embodiments are merely a subset of the embodiments of the present disclosure, rather than a complete embodiment. All other embodiments, which can be derived by one of ordinary skill in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present disclosure.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs. The terminology used in the description herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure.

In various embodiments, for convenience in description and not limitation of the disclosure, the term "coupled" as used in the specification and claims of the present disclosure is not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships are changed accordingly.

Fig. 1 is a schematic structural diagram of a heavy truck bottom battery replacement system. As shown in fig. 1, the heavy truck bottom replacement system is used for replacing the battery box 30 for the heavy truck, i.e. removing the dead battery box 30 from the lower part of the vehicle, and installing the fully charged battery box 30 on the vehicle from the bottom of the vehicle. Specifically, the heavy truck bottom battery replacement system comprises a lifting platform 20, a battery replacement trolley 40, a first handover mechanism 50, a battery frame 60 and a second handover mechanism. The lifting platform 20 is used for lifting the load battery replacing trolley 40, the battery replacing trolley 40 is used for handing over and carrying the battery box 30, the first handover mechanism 50 is used for handing over the battery box 30 between the battery replacing trolley 40 and the second handover mechanism, the second handover mechanism is used for handing over the battery box 30 between the first handover mechanism 50 and the battery rack 60, and the battery rack 60 is used for storing the battery box 30 and charging the battery box 30 in the storage process.

In order to facilitate the illustration of the various components of the heavy truck underfloor battery replacement system, a vehicle is represented by a vehicle beam 10 in fig. 1, and a battery box 30 is attached to the vehicle beam 10 and fixed to the vehicle.

Fig. 2 is a schematic structural view of the lifting platform 20. As shown in fig. 2, the lifting platform 20 is used for carrying the battery replacing trolley 40 to move relative to the vehicle, so as to move the battery box 30 carried by the battery replacing trolley 40 to the vehicle, or move the battery box 30 of the vehicle to the battery replacing trolley 40. In this embodiment, the heavy truck bottom battery replacement system further includes a battery replacement region for parking a vehicle, and the lifting platform 20 is located below the battery replacement region and is configured to move along a vertical direction of the battery replacement trolley 40 below the vehicle. Specifically, the lifting platform 20 includes a lifting platform 21 and a scissor fork 22. The lifting platform 21 is substantially in a flat plate structure and is used for loading the battery replacing trolley 40. The scissors 22 are disposed below the elevating platform 20 and connected to the elevating platform 21 for supporting the elevating platform 20 to ascend or descend.

In a normal state, the scissor fork 22 is in a folded state, and the lifting platform 21 is approximately flush with the ground, so that the battery replacing trolley 40 can be conveniently driven into the lifting platform 21 from the ground or driven out of the lifting platform 21; when the battery replacing trolley 40 needs to be connected with the battery box 30 of the vehicle, the scissor fork 22 is opened to push the lifting platform 21 to ascend, and the load battery replacing trolley 40 approaches the vehicle from the bottom of the vehicle to realize the effect of the battery box 30 of the vehicle.

Fig. 3 is a schematic structural diagram of the battery replacement trolley 40. As shown in fig. 1 and 3, the bottom of the battery replacing trolley 40 is provided with a plurality of travelling wheels 42 which can move back and forth between the battery rack 60 and the battery replacing area along a preset route to carry the battery box 30. In the present embodiment, a rail 41 is further provided between the battery rack 60 and the battery replacement region, and the traveling wheels 42 of the battery replacement cart 40 roll along the rail 41 to realize the traveling action of the battery replacement cart 40. The top of the trolley 40 is used to load the battery box 30, and its shape and structure substantially correspond to the battery box 30. In addition, the battery replacing trolley 40 is also used for transferring the battery box 30 with the vehicle. In the present application, "passing battery box 30" refers to the transfer of battery box 30, including moving battery box 30 from swap cart 40 to the vehicle, and moving battery box 30 of the vehicle to swap cart 40. In the battery replacement process, the battery replacement trolley 40 is abutted against the battery box 30 of the vehicle in an idle state, so that the battery box 30 of the vehicle is unlocked and falls into the battery replacement trolley 40 under the action of self weight, and the battery box 30 is moved from the vehicle to the battery replacement trolley 40; when the battery replacing trolley 40 is in a load state of the load battery box 30, the battery replacing trolley 40 loads the battery box 30 to be close to the vehicle until the battery box 30 contacts with a locking mechanism of the vehicle to be connected to the vehicle, so that the battery box 30 is moved from the battery replacing trolley 40 to the vehicle. The person skilled in the art understands that the unlocking and locking of the battery box 30 are conventional, the unlocking or locking can be realized by the conventional locking component under the abutting action, but the locking connection or the unlocking action of the battery box 30 can also be realized by screwing in or screwing out, which is not limited in the present application.

Fig. 4 is a schematic structural view of the battery case 30. As shown in fig. 4, the battery case 30 includes a battery pack 31, a case 32, and a connection interface 33. The case 32 is a generally frame-like structure for supporting other components of the battery case 30. The battery packs 31 are used for storing energy, and in the present embodiment, the number of the battery packs 31 is two, and the battery packs are provided at both end portions of the case 32. The connection interface 33 is provided on the case 32 and connects the battery pack 31 for docking the vehicle or the battery holder 60, and realizes electrical connection of the battery pack 31 with the outside, or electrical connection and water connection.

Fig. 5 is a schematic structural diagram of the first interface mechanism 50. As shown in fig. 5, the first transfer mechanism 50 is used for transferring the battery box 30 to the battery changing cart 40 and transferring the battery box 30 to the second transfer mechanism. As used herein, the term "transfer battery box 30" is similar to the above description, and refers to the transfer of the battery box 30 between the first transfer mechanism 50 and the swap trolley 40, and the second transfer. Specifically, the first transfer mechanism 50 is used for moving the battery box 30 in the vertical direction and transferring the battery box 30 with the battery replacing trolley 40, and includes a support column 51 and a carrying member 52. In the present embodiment, the number of the support columns 51 is four, extends in the vertical direction, and is set up near the battery rack 60. At least one carrier 52 is provided per support column 51. The carrier 52 protrudes from the support column 51 in the horizontal direction, and is used for lifting the battery box 30 from the bottom of the battery box 30 to move the battery box 30 in the vertical direction. In some embodiments, the carrier 52 can be telescopically connected to the supporting column 51 in a horizontal direction, and in other embodiments, a plurality of carriers 52 facing different directions can be provided on the supporting column 51 as required for docking other components. The carrier 52 may be driven by a linear motor, a ball screw, a chain-sprocket, etc. to move the carrier 52 along the length direction of the support columns 51, and the carriers 52 of the plurality of support columns 51 move in synchronization, and the common load cell carrier 60 moves along the length direction of the support columns 51.

When the battery box 30 is connected with the battery replacing trolley 40, the battery replacing trolley 40 moves to the vicinity of the supporting column 51, and the height of the carrier 52 is lower than the bottom surface of the battery box 30. Then, the carrying pieces 52 of the plurality of supporting columns 51 synchronously ascend, and the load battery box 30 ascends to be separated from the battery replacing trolley 40; or, the battery replacing trolley 40 moves to the supporting column 51 in an idle state, the carrying element 52 carries the battery box 30 and descends until the bottom surface of the battery box 30 falls on the battery replacing trolley 40, the carrying element 52 continues to descend for a certain distance, and after the battery box 30 carried by the battery replacing trolley 40 moves away, the handover operation with the battery replacing trolley 40 is completed.

Fig. 6 is a schematic structural view of the battery holder 60 and the second interface mechanism. As shown in fig. 6, the battery rack 60 includes one or more battery compartments 61 for storing the battery box 30. The battery rack 60 is disposed on two sides of the first transfer mechanism 50 along a first direction, in this embodiment, the first direction is perpendicular to the moving direction of the battery changing trolley 40. As an example, the battery rack 60 is disposed on each of two sides of the support column 51 of the first interface mechanism 50, and the battery box 30 may be stored in a plurality of battery compartments 61 stacked in the vertical direction. Each battery compartment 61 is further provided with a charging box 62 for docking the connection interface 33 of the battery box 30, charging the battery box 30, and monitoring the state of the battery box 30, as an example, when accommodating the battery box 30. In some embodiments, the charging box 62 may be fixedly connected to the battery compartment 61, and in other embodiments, the charging box 62 may also be connected to the battery compartment 61 through a telescopic structure for extending out of the connection interface 33 of the docking battery box 30 for charging.

The second transfer mechanism moves the battery box 30 in the first direction in the horizontal plane, that is, moves the battery box 30 in the horizontal direction and moves the battery box 30 between the first transfer mechanism 50 and the battery chamber 61. Illustratively, the second interface mechanism includes a moving blade 70 and a telescoping member 71. The movable pallet 70 for carrying the battery cases 30, preferably, the width of the movable pallet 70 is smaller than the distance between the carriers 52 for supporting and lifting the battery cases 30 from the bottom of the battery cases 30; the telescopic member 71 connects the movable tray 70 and the battery chamber 61, and is used for carrying the movable tray 70 to extend or retract between the battery chamber 61 and the carrier 52. Those skilled in the art will appreciate that the retractable member 71 may be a linear motor, a slide-and-slide structure, or a ball screw structure to achieve the extension and retraction of the movable plate 70.

During the process of transferring the battery box 30 to the first transfer mechanism 50, the carrier 52 of the first transfer mechanism 50 lifts the battery box 30 to a height corresponding to the empty battery compartment 61, for example, a position where the bottom surface of the battery box 30 is slightly higher than the movable pallet 70. The telescopic member 71 carries the moving blade 70 to extend toward the battery box 30 to below the battery box 30, and then the carrier 52 moves down by a distance, and the battery box 30 is carried by the moving blade 70. Thus, when the retractable member 71 drives the movable supporting plate 70 to retract, the battery box 30 is brought back into the battery compartment 61, and the operation of moving the battery box 30 from the first delivery mechanism 50 to the battery compartment 61 is completed; similarly, when the carrier 52 moves to a height corresponding to the height of the battery box 30 in the battery compartment 61 (generally slightly lower than the bottom surface of the battery box 30), the movable supporting plate 70 is driven by the telescopic member 71 to extend toward the carrier 52, so as to move the battery box 30 above the carrier 52, and then the carrier 52 moves upward for a certain distance, so as to separate the battery box 30 from the movable supporting plate 70, and then the movable supporting plate 70 retracts into the battery compartment 61, thereby completing the operation of moving the battery box 30 to the first transfer mechanism 50.

The working process of the above-mentioned heavy truck bottom swapping system is described in detail below with reference to fig. 7 to 9. Similarly, the vehicle is represented by the vehicle body 10 in fig. 7 to 9, and the battery box 30 is attached to the vehicle body 10 to be fixed to the vehicle.

In the initial state, the battery holder 60 has an empty battery compartment 61, and also has a battery compartment 61 in which the battery box 30 is fully charged. In addition, the height of the lifting platform 21 of the lifting platform 20 corresponds to the rail 41, and the battery replacing trolley 40 can move from the rail 41 to the lifting platform 21. When the vehicle to be charged travels to the charging area, the lifting platform 20 is located at the bottom of the vehicle and corresponds to the position of the battery box 30.

Then, the battery replacement cart 40 performs an operation of transferring the dead battery box 30 to the vehicle. Specifically, fig. 7 is a schematic structural diagram of the battery replacing trolley 40 and the vehicle handover battery box 30, as shown in fig. 7, when the battery replacing trolley 40 in an idle state moves to the lower side of the vehicle along the rail 41 and is located on the lifting platform 20, the lifting platform 20 loads the battery replacing trolley 40 to ascend until the battery replacing trolley 40 docks with the battery box 30 of the vehicle, and unlocks the battery box 30 and falls onto the battery replacing trolley 40.

Then, the lifting platform 20 is lowered to the initial position, and the battery replacing trolley 40 loads the battery box 30 and moves along the rail 41 to the position of the first transfer mechanism 50. Fig. 8 is a schematic structural diagram of the battery box 30 transferred between the swapping trolley 40 and the first transfer mechanism 50, as shown in fig. 8, the swapping trolley 40 loads the battery box 30 and moves to between the supporting columns 51, and at this time, the carrying member 52 is located below the battery box 30.

Then, the carriage 52 is lifted up to lift up the battery box 30, so that the battery box 30 is separated from the battery changing cart 40. Then, the carriage 52 moves the battery box 30 to rise until the height of the battery box 30 corresponds to an empty battery compartment 61. The movable support plate 70 of the empty battery compartment 61 extends to the lower part of the battery box 30, then the carrying member 52 moves downwards for a certain distance, the battery box 30 is placed on the movable support plate 70, and the movable support plate 70 brings the battery box 30 back to the battery compartment 61 for storage.

Fig. 9 is a schematic structural diagram of the first delivery mechanism 50 and the second delivery mechanism delivering the battery box 30. As shown in fig. 9, the empty carrier 52 is moved to a height corresponding to the battery compartment 61 of a battery box 30 with full power stored therein, and after the movable pallet 70 is extended and the battery box 30 is loaded, the carrier 52 is moved upwardly a distance, the loaded battery box 30 is separated from the movable pallet 70, and the movable pallet 70 can be retracted into the battery compartment 61.

Then, the carrying element 52 loads the battery box 30 to move downwards until the battery box 30 falls onto the battery replacing trolley 40, the carrying element 52 continues to move downwards for a certain distance, the battery replacing trolley 40 loads the battery box 30 to return to the battery replacing area, and the battery box 30 is connected with the vehicle, so that the battery replacing operation is completed.

When the heavy truck bottom battery replacement system moves to the lifting platform 20, the battery box 30 of the vehicle is moved to the battery replacement trolley 40 by carrying the battery replacement trolley 40 to move relative to the vehicle, and the battery box 30 loaded by the battery replacement trolley 40 is moved to the vehicle, so that the operation of replacing the battery box 30 for the vehicle from the bottom of the vehicle is realized.

In several embodiments provided in the present disclosure, it will be apparent to those skilled in the art that the present disclosure is not limited to the details of the above-described exemplary embodiments, and can be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the disclosure being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Furthermore, it is obvious that the word "comprising" does not exclude other elements or steps, and the singular does not exclude the plural. The terms first, second, etc. are used to denote names, but not to denote any particular order.

Although the present disclosure has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the present disclosure.

Claims

1. The utility model provides a heavy truck bottom trades electric system which characterized in that includes:

battery changing trolley;

2. The heavy-duty card bottom swapping system of claim 1, further comprising a swapping area for parking a vehicle, wherein the lifting platform is located below the swapping area and is used for moving below the vehicle in a vertical direction along which the swapping trolley is supported.

3. The heavy-duty truck bottom swapping system of claim 2, further comprising a battery rack comprising one or more battery compartments for storing the battery boxes, the swapping cart moving between the battery rack and the swapping area to transport the battery boxes.

4. The heavy-duty card bottom swapping system of claim 3, further comprising:

the first handover mechanism is used for moving the battery box along the vertical direction and handing over the battery box with the battery changing trolley;

and the second handover mechanism is used for moving the battery box along the horizontal direction and moving the battery box between the first handover mechanism and the battery bin.

5. The heavy-duty truck bottom swapping system of claim 4, wherein the battery rack comprises a plurality of battery compartments arranged in a vertically stacked configuration.

6. The heavy-duty truck bottom swapping system of claim 5, wherein the batteries are mounted on both sides of the first interface mechanism along a first direction, and the second interface mechanism moves the battery box along the first direction in a horizontal plane.

7. The heavy truck bottom swapping system of claim 6, wherein the first interface mechanism comprises:

a support pillar;

8. The heavy-duty truck bottom swapping system of claim 7, wherein the carrier protrudes horizontally from the support column or rotates relative to the support column to extend or retract for lifting the battery box from the bottom of the battery box to move the battery box in a vertical direction.

9. The heavy truck bottom swapping system of claim 8, wherein the second interface mechanism comprises:

the mobile supporting plate is used for bearing the battery box;

10. The heavy-duty truck bottom swapping system of claim 9, further comprising a track disposed between the carrier and the lifting platform, the swapping cart moving along the track between the lifting platform and the carrier.