阅读说明：本技术 电动汽车底盘与车身合车装置及合车方法 (Electric automobile chassis and automobile body combining device and combining method ) 是由 严星 万小飞 裴潇杨 杨建� 卢俊康 许宝强 于 2019-08-21 设计创作，主要内容包括：本发明提供一种电动汽车底盘与车身合车装置,包括底部框架和上部托盘,底部框架形成为长条状,用于支撑上部托盘,上部托盘包括位于中间的电池托盘、以及位于电池托盘两侧的前悬托盘和后悬托盘,电池托盘、前悬托盘和后悬托盘分别具有电池支撑部、前悬支撑部和后悬支撑部,电池支撑部、前悬支撑部和后悬支撑部分别用于支撑汽车动力电池、前悬架系统和后悬架系统,电池托盘、前悬托盘和后悬托盘均具有多个不同类型,多个电池托盘、前悬托盘和后悬托盘均具有不同结构的电池支撑部、前悬支撑部和后悬支撑部,以支撑不同车型的汽车动力电池、前悬架系统和后悬架系统。本发明还提供一种电动汽车底盘与车身合车方法。(The invention provides a device for combining an electric automobile chassis and an automobile body, which comprises a bottom frame and an upper tray, wherein the bottom frame is formed into a strip shape, the battery tray is used for supporting the upper portion tray, the upper portion tray is including being located middle battery tray, and be located the front overhang tray and the rear overhang tray of battery tray both sides, the battery tray, front overhang tray and rear overhang tray have the battery supporting part respectively, front overhang portion and rear overhang portion, the battery supporting part, front overhang portion and rear overhang portion are used for supporting automobile power battery respectively, front overhang system and rear overhang system, the battery tray, front overhang tray and rear overhang tray all have a plurality of different grade types, a plurality of battery trays, front overhang tray and rear overhang tray all have the battery supporting part of isostructure, front overhang portion and rear overhang portion, with the automobile power battery who supports different motorcycle types, front overhang system and rear overhang system. The invention further provides a method for combining the chassis and the body of the electric automobile.)

1. An electric vehicle chassis and vehicle body combination device, characterized by comprising a bottom frame (1) and an upper tray (2), wherein the bottom frame (1) is formed into a long strip shape and used for supporting the upper tray (2), the upper tray (2) comprises a battery tray (22) positioned in the middle and a front suspension tray (21) and a rear suspension tray (23) positioned at two sides of the battery tray (22), the front suspension tray (21) and the rear suspension tray (23) are respectively provided with a battery supporting part (221), a front suspension supporting part (211) and a rear suspension supporting part (231), the battery supporting part (221), the front suspension supporting part (211) and the rear suspension supporting part (231) are respectively used for supporting a power battery of a vehicle, a front suspension system and a rear suspension system, the battery tray (22), the front suspension tray (21) and the rear suspension tray (23) are respectively provided with a plurality of different types, the plurality of battery trays (22), the front suspension tray (21) and the rear suspension tray (23) are provided with the battery supporting part (221), the front suspension supporting part (211) and the rear suspension supporting part (231) with different structures so as to support the power battery, the front suspension system and the rear suspension system of the automobile of different automobile types.

2. The chassis and body combination apparatus according to claim 1, further comprising a storage area in which different types of the battery trays (22), the front suspension tray (21), and the rear suspension tray (23) corresponding to different vehicle types are stored, and a conveying section that conveys the battery trays (22), the front suspension tray (21), and the rear suspension tray (23) corresponding to a certain vehicle type in the storage area to the bottom frame (1).

3. The chassis and body combination device of the electric vehicle as claimed in claim 2, further comprising a controller and a reader/writer, wherein the battery tray (22), the front suspension tray (21) and the rear suspension tray (23) are respectively provided with an electronic tag classified according to different vehicle types, the reader/writer reads vehicle type information of the electronic tag and generates the vehicle type information to the controller, and the controller controls the conveying part to convey the battery tray (22), the front suspension tray (21) and the rear suspension tray (23) corresponding to the vehicle type information to the bottom frame (1) according to the received vehicle type information.

4. The chassis and body combination device of the electric vehicle as claimed in claim 1, characterized in that the device further comprises an intermediate layer (3) arranged between the bottom frame (1) and the upper tray (2), the intermediate layer (3) comprises a first intermediate layer (31) arranged at the lower part and connected with the bottom frame (1) and a second intermediate layer (32) arranged at the upper part and supporting the upper tray (2), a floating mechanism (33) is arranged between the first intermediate layer (31) and the second intermediate layer (32), and the floating mechanism (33) can adjust the floating amount of the second intermediate layer (32) in the horizontal plane.

5. The chassis and body combination device of the electric vehicle as claimed in claim 1, wherein the battery tray (22), the front suspension tray (21) and the rear suspension tray (23) are all provided with body positioning elements (4), and the body positioning elements (4) are used for positioning the battery tray (22), the front suspension tray (21) and the rear suspension tray (23) on the vehicle body.

6. A method for combining an electric automobile chassis with an automobile body, which is characterized by using the electric automobile chassis and automobile body combining device as claimed in claim 1, and comprises the following steps:

a. according to the information of the vehicle type of the vehicle body to be closed, a battery tray (22), a front suspension tray (21) and a rear suspension tray (23) corresponding to the information of the vehicle type are arranged on the bottom frame (1);

b. respectively mounting an automobile power battery, a front suspension system and a rear suspension system which are automobile chassis parts on the battery tray (22), the front suspension tray (21) and the rear suspension tray (23);

c. and moving the automobile chassis parts and the automobile body to a combining station, and combining the automobile chassis parts and the automobile body.

7. The method for combining the chassis and the body of the electric vehicle according to claim 6, wherein for the step a, the battery tray (22), the front suspension tray (21) and the rear suspension tray (23) corresponding to the vehicle type information in the storage area can be conveyed to the bottom frame (1) through a conveying part particularly in the storage area in which the battery trays (22), the front suspension tray (21) and the rear suspension tray (23) of different types corresponding to different vehicle types are stored.

8. The method for combining the chassis and the body of the electric vehicle as claimed in claim 7, wherein the device further comprises a controller and a reader/writer, the battery tray (22), the front suspension tray (21) and the rear suspension tray (23) are respectively provided with an electronic tag classified according to different vehicle types, the reader/writer reads vehicle type information of the electronic tags and generates the vehicle type information to the controller, and the controller controls the conveying part to convey the battery tray (22), the front suspension tray (21) and the rear suspension tray (23) corresponding to the vehicle type information to the bottom frame (1) according to the received vehicle type information.

9. The method for combining the chassis and the body of the electric vehicle as claimed in claim 6, characterized in that the battery tray (22), the front suspension tray (21) and the rear suspension tray (23) are positioned on the body of the vehicle by positioning members (4) before combining the chassis parts and the body of the vehicle.

Technical Field

The invention relates to the field of electric automobiles, in particular to a device and a method for combining an electric automobile chassis and an automobile body.

Background

The electric automobile closing process is an assembly process for combining main chassis parts such as a front suspension system, a power battery, a rear suspension system and the like with an automobile body in a final assembly workshop. The car combining process is one of the most complex and important processes of a final assembly workshop, and has higher requirements on the productivity, the flexibility degree, the plane arrangement, the assembly quality and the like of the whole production line. In order to meet the requirement of high endurance, the weight of the battery is generally heavier, and in addition, the appearance of the battery of each vehicle type has larger difference due to the difference of the technical route and the endurance mileage, so that the difficulty of the vehicle combination process is further increased.

For the electric automobile closing process, a common assembly mode is split type combination, and one mode is that a front suspension system and a rear suspension system are firstly assembled, and then a battery is lifted independently to combine the batteries; the other method is to lift the battery to assemble the battery, and then to assemble the front and rear suspension systems. These two kinds of split type attach together all need the manual work to assist, and assembly efficiency is low, and the assembly precision is poor, is difficult to the compatible platform motorcycle type of striding more than three kinds.

Disclosure of Invention

The invention aims to provide a device and a method for combining an electric automobile chassis and an automobile body, which can improve the combining assembly efficiency of the electric automobile chassis and the automobile body and improve the automation and flexibility of a production line.

The invention provides a device for combining an electric automobile chassis and an automobile body, which comprises a bottom frame and an upper tray, wherein the bottom frame is formed into a strip shape, the battery tray is used for supporting the upper portion tray, the upper portion tray is including being located middle battery tray, and be located the front overhang tray and the rear overhang tray of battery tray both sides, the battery tray, front overhang tray and rear overhang tray have the battery supporting part respectively, front overhang portion and rear overhang portion, the battery supporting part, front overhang portion and rear overhang portion are used for supporting automobile power battery respectively, front overhang system and rear overhang system, the battery tray, front overhang tray and rear overhang tray all have a plurality of different grade types, a plurality of battery trays, front overhang tray and rear overhang tray all have the battery supporting part of isostructure, front overhang portion and rear overhang portion, with the automobile power battery who supports different motorcycle types, front overhang system and rear overhang system.

Further, the device also comprises a storage area and a conveying part, wherein different types of battery trays, front suspension trays and rear suspension trays corresponding to different vehicle types are stored in the storage area, and the conveying part can convey the battery trays, the front suspension trays and the rear suspension trays corresponding to a certain vehicle type in the storage area to the bottom frame.

The device further comprises a controller and a reader-writer, wherein electronic tags classified according to different vehicle types are arranged on the battery tray, the front suspension tray and the rear suspension tray, the reader-writer reads vehicle type information of the electronic tags and sends the vehicle type information to the controller, and the controller controls the conveying part to convey the battery tray, the front suspension tray and the rear suspension tray corresponding to the vehicle type information to the bottom frame according to the received vehicle type information.

Furthermore, the device also comprises an intermediate layer arranged between the bottom frame and the upper tray, the intermediate layer comprises a first intermediate layer positioned at the lower part and connected with the bottom frame and a second intermediate layer positioned at the upper part and supporting the upper tray, a floating mechanism is arranged between the first intermediate layer and the second intermediate layer, and the floating amount of the second intermediate layer in a horizontal plane can be adjusted by the floating mechanism.

Furthermore, vehicle body positioning parts are arranged on the battery tray, the front suspension tray and the rear suspension tray and are used for positioning the battery tray, the front suspension tray and the rear suspension tray on a vehicle body.

The invention also provides a method for combining the chassis and the body of the electric automobile, which uses the device for combining the chassis and the body of the electric automobile and comprises the following steps:

a. according to the information of the vehicle type of the vehicle body to be closed, a battery tray, a front suspension tray and a rear suspension tray corresponding to the information of the vehicle type are arranged on the bottom frame;

b. respectively mounting an automobile power battery, a front suspension system and a rear suspension system which are used as automobile chassis parts on a battery tray, a front suspension tray and a rear suspension tray;

c. and moving the automobile chassis parts and the automobile body to an assembling station, and assembling the automobile chassis parts and the automobile body.

Further, with regard to the step a, specifically, in the storage area in which the battery tray, the front suspension tray, and the rear suspension tray corresponding to the vehicle type information are stored, the battery tray, the front suspension tray, and the rear suspension tray corresponding to the vehicle type information in the storage area may be conveyed to the bottom frame by the conveying section.

The device further comprises a controller and a reader-writer, wherein electronic tags classified according to different vehicle types are arranged on the battery tray, the front suspension tray and the rear suspension tray, the reader-writer reads vehicle type information of the electronic tags and sends the vehicle type information to the controller, and the controller controls the conveying part to convey the battery tray, the front suspension tray and the rear suspension tray corresponding to the vehicle type information to the bottom frame according to the received vehicle type information.

Furthermore, before the automobile chassis parts and the automobile body are assembled, the battery tray, the front suspension tray and the rear suspension tray are positioned on the automobile body through positioning pieces.

In summary, the electric vehicle chassis and vehicle body combining device comprises a bottom frame and an upper tray, wherein the upper tray comprises a battery tray, a front suspension tray and a rear suspension tray, the battery tray, the front suspension tray and the rear suspension tray are of different types, and the battery tray, the front suspension tray and the rear suspension tray are respectively provided with a battery supporting part, a front suspension supporting part and a rear suspension supporting part which are of different structures so as to support the automobile power batteries, the front suspension system and the rear suspension system of different vehicle types.

Drawings

FIG. 1 is an exploded perspective view of a device for combining a chassis and a body of an electric vehicle according to an embodiment of the present invention

FIG. 2 is a perspective assembly view of a device for combining a chassis and a body of an electric vehicle according to an embodiment of the invention

FIG. 3 is a structural layout diagram of the garage and the transportation portion of the electric vehicle chassis and vehicle body combination device according to an embodiment of the invention

FIG. 4 is a schematic view of the mounting of automotive power cells, front suspension systems and rear suspension systems to a battery tray, front suspension tray and rear suspension tray in accordance with one embodiment of the present invention

FIG. 5 is a schematic view of a lift according to an embodiment of the present invention before the vehicle chassis parts and the vehicle body are assembled together in a low position

FIG. 6 is a schematic view of a lifting machine according to an embodiment of the present invention after the chassis parts and the body of the automobile are assembled together in a high position

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

As shown in fig. 1 and 2, the chassis and body combination device for an electric vehicle according to an embodiment of the present invention includes a bottom frame 1 and an upper tray 2. The bottom frame 1 is formed in an elongated shape for supporting the upper tray 2. The upper tray 2 includes a battery tray 22 in the middle, and a front suspension tray 21 and a rear suspension tray 23 on both sides of the battery tray 22. The battery tray 22, the front suspension tray 21, and the rear suspension tray 23 have a battery support part 221, a front suspension support part 211, and a rear suspension support part 231, respectively. The battery support portion 221, the front suspension portion 211, and the rear suspension portion 231 are used to support the power battery, the front suspension system, and the rear suspension system of the vehicle, respectively. The structures of the battery support portion 221, the front suspension support portion 211, and the rear suspension support portion 231 are not limited as long as they can perform corresponding supporting functions, and the battery support portion 221, the front suspension support portion 211, and the rear suspension support portion 231 may be, for example, a support block, a positioning pin, a bracket, or the like.

The battery tray 22, the front suspension tray 21 and the rear suspension tray 23 are all of a plurality of different types, and the plurality of battery trays 22, the front suspension tray 21 and the rear suspension tray 23 are all provided with battery supporting parts 221, front suspension supporting parts 211 and rear suspension supporting parts 231 of different structures so as to support automobile power batteries, front suspension systems and rear suspension systems of different automobile types. The change in the structure of the battery supporting part 221, the front suspension supporting part 211, and the rear suspension supporting part 231 may be achieved by the change in the number and/or positions of the supporting blocks, the positioning pins, and the brackets. Different types of battery trays 22, front suspension trays 21, and rear suspension trays 23 corresponding to the vehicle types may be mounted on the bottom chassis 1 according to the vehicle types. As shown in fig. 3, the apparatus may further include a reservoir 5 and a conveying section 6. The storage 5 stores therein different types of battery trays 22, front suspension trays 21, and rear suspension trays 23 corresponding to different vehicle models. After the closing of the vehicle is completed, the conveying part 6 conveys the battery tray 22, the front suspension tray 21 and the rear suspension tray 23 on the bottom frame 1 into the storage area 5 respectively, and then conveys the battery tray 22, the front suspension tray 21 and the rear suspension tray 23 corresponding to the vehicle type information in the storage area onto the bottom frame 1 according to the vehicle type information of the vehicle body to be closed.

Further, the device also comprises a controller and a reader-writer. And electronic tags classified according to different vehicle types are arranged on the battery tray 22, the front suspension tray 21 and the rear suspension tray 23. The reader/writer reads the vehicle type information of the electronic tag and generates the vehicle type information to the controller, and the controller controls the conveying section 6 to convey the battery tray 22, the front suspension tray 21, and the rear suspension tray 23 corresponding to the vehicle type information in the storage area onto the bottom frame 1 according to the received vehicle type information.

Further, the device also comprises an intermediate layer 3 arranged between the bottom frame 1 and the upper tray 2. The middle layer 3 includes a first middle layer 31 positioned at a lower portion and connected with the base frame 1, and a second middle layer 32 positioned at an upper portion and supporting the upper tray 2. A floating mechanism 33 is arranged between the first middle layer 31 and the second middle layer 32, and the floating mechanism 33 can adjust the floating amount of the second middle layer 32 in the horizontal plane. In the present embodiment, the floating mechanism 33 may be, for example, a universal ball bearing. When the electric automobile chassis and the automobile body are combined, if the chassis parts and the automobile body cannot be completely matched, the floating mechanism 33 can enable the chassis parts on the device to generate a certain floating amount in a horizontal plane, so that the precision error during combination is compensated.

The first intermediate layer 31 is welded to the bottom frame 1. The second intermediate layer 32 and the upper tray 2 may be fixedly connected by fixing members 7, such as positioning pins. A support block 8 may also be provided on the second intermediate layer 32 for supporting the upper tray 2.

Further, the battery tray 22, the front suspension tray 21 and the rear suspension tray 23 are all provided with a vehicle body positioning part 4, and the vehicle body positioning part 4 is used for positioning the battery tray 22, the front suspension tray 21 and the rear suspension tray 23 on a vehicle body, so that the positioning of the upper tray 2 and the vehicle body is realized, and the correct position of the chassis part and the vehicle body when the chassis part and the vehicle body are combined is indirectly ensured. In the present embodiment, the vehicle body positioning member 4 is a positioning pin.

The invention also provides a method for combining the chassis and the body of the electric automobile, which uses the device for combining the chassis and the body of the electric automobile and comprises the following steps:

after the last vehicle closing process is finished, reading electronic tags which are classified according to different vehicle types on the battery tray 22, the front suspension tray 21 and the rear suspension tray 23 through a reader-writer;

according to the information of the vehicle type of the vehicle body to be combined, a battery tray 22, a front suspension tray 21 and a rear suspension tray 23 corresponding to the information of the vehicle type are arranged on the bottom frame 1, the read information of the vehicle type on the electronic tag can be generated to a controller through a reader-writer, the controller judges whether the received information of the vehicle type is consistent with the information of the vehicle type in the last combining process, if not, the controller controls a conveying part to convey the battery tray 22, the front suspension tray 21 and the rear suspension tray 23 corresponding to the information of the vehicle type in a storage area to the bottom frame 1, wherein the storage area stores different types of battery trays 22, the front suspension tray 21 and the rear suspension tray 23 corresponding to different vehicle types, and if so, the battery tray 22, the front suspension tray 21 and the rear suspension tray 23 on the bottom frame 1 are kept unchanged;

as shown in fig. 4, an automotive power battery 1a, a front suspension system 2a and a rear suspension system 3a as automotive chassis parts are mounted on a battery tray 22, a front suspension tray 21 and a rear suspension tray 23, respectively;

as shown in fig. 5, the automobile chassis parts are moved to the attaching position by the chain bed 4a and the base frame 1 is placed above the lifter 5a in the low position state, the vehicle body 7a is moved to the attaching position by the chassis hanger 6a, and the battery tray 22, the front suspension tray 21 and the rear suspension tray 23 are positioned to the vehicle body by the positioning member 4;

as shown in fig. 6, the lifter 5a is lifted and positioned in a high position, and the vehicle chassis components, i.e., the power battery 1a, the front suspension system 2a, and the rear suspension system 3a, are integrated with the vehicle body 7 a.

In conclusion, the electric vehicle chassis and vehicle body combining device comprises the bottom frame 1 and the upper tray 2, the upper tray 2 comprises the battery tray 22, the front suspension tray 21 and the rear suspension tray 23, the battery tray, the front suspension tray and the rear suspension tray are all of a plurality of different types, and the battery trays, the front suspension tray and the rear suspension tray are all provided with the battery supporting parts, the front suspension supporting parts and the rear suspension supporting parts which are of different structures so as to support the automobile power batteries, the front suspension systems and the rear suspension systems of different vehicle types.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.