WO2025086703A1 - Chassis production system and production method - Google Patents

Abstract

A chassis production system and a production method. The chassis production system comprises a first production line (1), a second production line (2), a third production line (3) and an assembly line (4); the first production line (1) is used for assembling a front compartment (10); the second production line (2) is used for assembling a rear compartment (20); the third production line (3) is used for assembling an energy compartment (30); the first production line (1), the second production line (2) and the third production line (3) are arranged in parallel; and the assembly line (4) installs the front compartment (10) and the rear compartment (20) at two ends of the energy compartment (30), respectively.

Description

A production system and production method for a chassis

CROSS-REFERENCE TO RELATED APPLICATIONS

This application claims priority to Chinese patent application 202311396740.7, filed on October 25, 2023, entitled “A production system and production method for a chassis”, the entire contents of which are incorporated herein by reference.

Technical Field

The present application relates to the technical field of vehicle production, and in particular to a production system and method for a chassis.

Background Art

Batteries have the advantages of high specific energy and high power density, and are widely used in various industries. With the rapid development of the battery industry, the technical solutions for using batteries as a power source for vehicles are becoming more and more mature.

With the continuous development of electric vehicle technology, the control of production costs has attracted more and more attention from technicians in this field.

Summary of the invention

In view of the above problems, the present application provides a chassis production system and production method, and the chassis production system is conducive to reducing production costs.

In a first aspect, some embodiments of the present application provide a chassis production system, which comprises a first production line, a second production line, a third production line and an assembly bus, wherein the first production line is used for assembling a front cabin, the second production line is used for assembling a rear cabin, and the third production line is used for assembling an energy cabin, and the first production line, the second production line and the third production line are arranged in parallel, and the assembly bus respectively installs the front cabin and the rear cabin at both ends of the energy cabin.

In the above scheme, since the first production line, the second production line and the third production line are arranged in parallel in the production system of the chassis and are used to assemble the front cabin, the rear cabin and the energy cabin respectively, not only the first production line, the second production line and the third production line will not affect each other, reducing the possibility of production suspension, but also the length of the assembly bus can be shortened, which is beneficial It helps to reduce the investment in production equipment and effectively lower the production cost of the chassis.

According to the chassis production system provided by some embodiments of the present application, the front cabin includes a front frame, a first electronically controlled drive unit, a first brake angle, a first shock absorber and a heat exchange module, and the first production line includes a first module, a second module, a third module and a fourth module. The first module is used to install the first electronically controlled drive unit on the front frame, the second module is used to install the first shock absorber on the front frame, the third module is used to connect the first brake angle with the first shock absorber, and the fourth module is used to install the heat exchange module on the front frame, so that the components constituting the front cabin can be assembled to form the front cabin through the action of multiple workstations of the first production line.

According to the chassis production system provided by some embodiments of the present application, the rear cabin includes a rear axle assembly, the rear axle assembly includes a first subframe, a second electronically controlled drive unit, a second brake angle and a second shock absorber, the second production line includes a fifth module, a sixth module and a seventh module, the fifth module is used to install the second electronically controlled drive unit on the first subframe, the sixth module is used to transmit and connect the second brake angle to the second electronically controlled drive unit, and the seventh module is used to install the second shock absorber on the second brake angle.

According to the chassis production system provided by some embodiments of the present application, the rear cabin also includes a rear frame, the rear axle assembly is connected to the rear frame, and the second production line also includes an eighth module, which is used to connect the first subframe and the second shock absorber to the rear frame.

Through the fifth module, the sixth module, the seventh module and the eighth module, the second production line can assemble the entire rear cabin of the multi-link independent suspension chassis.

According to the chassis production system provided by some embodiments of the present application, the rear cabin includes a rear axle assembly, the rear axle assembly includes a second subframe, a third brake angle and a third shock absorber, the second production line includes a ninth module and a tenth module, the ninth module is used to install the third shock absorber on the second subframe, and the tenth module is used to install the third brake angle on the second subframe.

According to the chassis production system provided in some embodiments of the present application, the rear cabin also includes a rear frame, the rear axle assembly is connected to the rear frame, and the second production line also includes an eleventh module, which is used to connect the second subframe and the third shock absorber to the rear frame.

Through the ninth module, the tenth module and the eleventh module, the second production line can assemble the entire rear cabin of the torsion beam non-independent suspension chassis.

According to the chassis production system provided in some embodiments of the present application, the energy cabin includes an energy cabin frame, an electric The third production line includes a twelfth module and a thirteenth module. The twelfth module is used to install the electrical components on the energy cabin frame, and the thirteenth module is used to install the batteries on the energy cabin frame, so as to assemble and form an energy cabin with electrical components and batteries.

According to the chassis production system provided by some embodiments of the present application, the energy cabin frame includes a first box body and a bracket connected to each other, and the twelfth module is used to install the electrical components in the first box body to protect the electrical components.

According to the chassis production system provided by some embodiments of the present application, the energy cabin frame also includes a second box body connected to the bracket, and the thirteenth module is used to install the battery in the second box body to protect the battery.

According to the chassis production system provided by some embodiments of the present application, a battery lock is provided on the inner wall of the second box body, and the thirteenth module connects the battery to the battery lock, so that the battery can be easily connected to or detached from the second box body, making it easy to replace the battery.

According to the chassis production system provided by some embodiments of the present application, the assembly bus includes a fourteenth module, which is used to connect the rear cabin to the end of the energy cabin close to the first box body, and to connect the front cabin to the end of the energy cabin opposite to the rear cabin.

In a second aspect, some embodiments of the present application provide a method for producing a chassis, which comprises: assembling to form a front cabin; assembling to form a rear cabin; assembling to form an energy cabin; and installing the front cabin and the rear cabin at both ends of the energy cabin, respectively.

The technical solution provided by the embodiments of the present disclosure brings at least the following beneficial effects:

The present application provides a production system for a chassis, the production system for the chassis includes a first production line, a second production line, a third production line and an assembly bus, the first production line is used to assemble the front cabin, the second production line is used to assemble the rear cabin, the third production line is used to assemble the energy cabin, the first production line, the second production line and the third production line are arranged in parallel, and the assembly bus installs the front cabin and the rear cabin at both ends of the energy cabin respectively. In the above scheme, since the first production line, the second production line and the third production line arranged in parallel in the production system of the chassis are used to assemble the front cabin, the rear cabin and the energy cabin respectively, not only the first production line, the second production line and the third production line will not affect each other, reducing the possibility of suspension of production, but also the length of the assembly bus can be shortened, which is conducive to reducing the investment in production equipment and effectively reducing the production cost of the chassis.

The above description is only an overview of the technical solution of this application. The present invention can be implemented according to the contents of the specification, and in order to make the above and other purposes, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are listed below.

BRIEF DESCRIPTION OF THE DRAWINGS

Various other advantages and benefits will become apparent to those of ordinary skill in the art by reading the detailed description of the preferred embodiments below. The accompanying drawings are only for the purpose of illustrating the preferred embodiments and are not to be considered as limiting the present application. Also, the same reference symbols are used throughout the accompanying drawings to represent the same components. In the accompanying drawings:

FIG1 is a schematic diagram of the structure of a chassis production system provided in some embodiments of the present application;

FIG2 is a schematic structural diagram of a front frame provided with a first suspension device installed in some embodiments of the present application;

FIG3 is a schematic structural diagram of a front frame provided with a first suspension device and a connecting plate provided in some embodiments of the present application;

FIG4 is a schematic structural diagram of a front frame provided with a first suspension device, a first electronically controlled drive unit and a connecting plate provided in some embodiments of the present application;

FIG5 is a schematic structural diagram of a front frame with a first driving half-axle installed provided in some embodiments of the present application;

FIG6 is a schematic structural diagram of a front frame with a first shock absorber installed provided in some embodiments of the present application;

FIG7 is a schematic structural diagram of a front frame provided with a first brake angle provided in some embodiments of the present application;

FIG8 is a schematic structural diagram of a front cabin provided in some embodiments of the present application;

FIG9 is a schematic structural diagram of a first sub-frame equipped with a second electronically controlled drive unit provided in some embodiments of the present application;

FIG10 is a schematic structural diagram of a first sub-frame provided with a second electronically controlled drive unit and a second drive half-shaft installed thereon, provided in some embodiments of the present application;

FIG11 is a schematic structural diagram of a first sub-frame equipped with a second brake angle provided in some embodiments of the present application;

FIG12 is a schematic structural diagram of a first sub-frame provided with a first coil spring installed thereon in some embodiments of the present application;

FIG13 is a schematic diagram of the structure of a rear cabin provided in some embodiments of the present application;

FIG. 14 is a schematic diagram of the structure of an energy cabin frame with electrical components installed provided in some embodiments of the present application. picture;

FIG15 is a schematic diagram of the structure of an energy cabin frame provided by some embodiments of the present application, on which a low-voltage wiring harness for battery replacement, a high-voltage wiring harness for battery replacement, and a battery lock are installed;

FIG16 is a schematic structural diagram of an energy cabin frame with batteries installed provided in some embodiments of the present application;

FIG17 is a schematic diagram of the structure of a chassis provided in some embodiments of the present application;

FIG. 18 is a flow chart of a method for producing a chassis provided in some embodiments of the present application.

The reference numerals in the specific implementation manner are as follows:

1. First production line; 11. First module; 12. Second module; 13. Third module; 14. Fourth module;

2. Second production line; 21. Fifth module; 22. Sixth module; 23. Seventh module; 24. Eighth module; 25. Ninth module; 26. Tenth module; 27. Eleventh module;

3. The third production line; 31. The twelfth module; 32. The thirteenth module;

4. Assemble the bus; 41. Module 14;

10. front cabin; 101. front frame; 102. first electronically controlled drive unit; 103. first brake angle; 104. first shock absorber; 105. heat exchange module; 106. first suspension device; 107. connecting plate; 108. first drive axle shaft;

20, rear cabin; 201, rear axle assembly; 2011, first subframe; 2012, second electronically controlled drive unit; 2013, second brake angle; 2014, second shock absorber; 2015, second drive axle shaft; 2016, first coil spring; 202, rear frame;

30. Energy cabin; 301. Energy cabin frame; 3011. First box; 3012. Bracket; 3013. Second box; 302. Electrical components; 303. Battery; 304. Low-voltage wiring harness for battery replacement; 305. High-voltage wiring harness for battery replacement; 306. High-voltage connecting wiring harness; 307. Low-voltage connecting wiring harness; 308. Battery lock.

DETAILED DESCRIPTION

The following embodiments of the technical solution of the present application are described in detail in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present application, and are therefore only used as examples, and cannot be used to limit the scope of protection of the present application.

It should be noted that, unless otherwise specified, the technical terms or scientific terms used in the embodiments of the present application should have the common meanings understood by technicians in the field to which the embodiments of the present application belong.

In the description of the embodiments of the present application, the orientations or positional relationships indicated by technical terms such as "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", and "circumferential" are based on the orientations or positional relationships shown in the accompanying drawings and are only for the convenience of describing the embodiments of the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the embodiments of the present application.

In addition, the technical terms "first", "second", etc. are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. In the description of the embodiments of the present application, the meaning of "multiple" is more than two, unless otherwise clearly and specifically defined.

In the description of the embodiments of the present application, unless otherwise clearly specified and limited, technical terms such as "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

In the description of the embodiments of the present application, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

As people pay more and more attention to environmental protection, electric vehicles using batteries as the power source of the vehicle are more and more widely used. With the continuous development of electric vehicle technology, the control of production costs has attracted more and more attention from technicians in this field.

In the related art, the production system of electric vehicles is usually arranged in a relatively long and narrow linear manner, with a large number of workstations arranged in sequence on an assembly bus. This not only makes the production system occupy a large space, but also makes the investment in production equipment large. In addition, the multiple workstations arranged in a long and narrow linear manner are prone to problems in a certain workstation, which may cause the entire production system to stop, resulting in high production and operation costs for the electric vehicle production system.

In order to reduce production costs, some embodiments of the present application provide a chassis production system, the chassis production system includes a first production line, a second production line, a third production line and an assembly bus, the first production line is used to assemble the front cabin, the second production line is used to assemble the rear cabin, the third production line is used to assemble the energy cabin, the first production line, the second production line and the third production line are arranged in parallel, and the assembly bus installs the front cabin and the rear cabin at the two ends of the energy cabin respectively. In the above scheme, since the first production line, the second production line and the third production line arranged in parallel in the chassis production system are used to assemble the front cabin, the rear cabin and the energy cabin respectively, not only the first production line, the second production line and the third production line will not affect each other, reducing the possibility of production suspension, but also the length of the assembly bus can be shortened, which is conducive to reducing the investment in production equipment and effectively reducing the production cost of the chassis.

The chassis production system disclosed in the embodiment of the present application can be used for, but not limited to, producing chassis for electric vehicles, and can also be used for producing fuel vehicles and gas vehicles.

The technical solutions of the chassis production system and production method provided in the specific implementation manner of the present application are further explained below.

Some embodiments of the present application provide a chassis production system, as shown in Figure 1, the chassis production system includes a first production line 1, a second production line 2, a third production line 3 and an assembly bus 4, the first production line 1 is used to assemble the front cabin 10, the second production line 2 is used to assemble the rear cabin 20; the third production line 3 is used to assemble the energy cabin 30, the first production line 1, the second production line 2 and the third production line 3 are arranged in parallel; the assembly bus 4 installs the front cabin 10 and the rear cabin 20 at the two ends of the energy cabin 30 respectively.

The chassis of an electric vehicle generally includes three parts: a front cabin 10, an energy cabin 30, and a rear cabin 20. The energy cabin 30 includes a battery 303, which can provide power for the electric vehicle. The front cabin 10 and the rear cabin 20 are respectively installed at both ends of the energy cabin 30. The front cabin 10 may be installed at the front end of the energy cabin 30 in the vehicle's forward direction, and the rear cabin 20 may be installed at the rear end of the energy cabin 30 in the vehicle's forward direction.

The first production line 1 may be one or more interconnected assembly lines in the production system of the chassis, which are used to assemble the front cabin 10. The first production line 1 may include a plurality of workstations, which are arranged in sequence, and the components constituting the front cabin 10 may be transferred between the plurality of workstations and assembled simultaneously to finally form the front cabin 10 in an integral structure.

Exemplarily, the first production line 1 may include at least one of a belt assembly line, a plate chain line, a double-speed chain, a plug-in line, a mesh belt line, a suspension line and a roller assembly line. The various components that make up the front cabin 10 can be transferred between multiple workstations in the first production line 1 and assembled into the front cabin 10.

The second production line 2 may be one or more interconnected assembly lines in the production system of the chassis. For assembling the rear cabin 20. The second production line 2 may include a plurality of workstations, which are arranged in sequence, and the components constituting the rear cabin 20 may be transferred between the plurality of workstations and assembled simultaneously to finally form the rear cabin 20 in an integral structure.

Exemplarily, the second production line 2 may include at least one of a belt assembly line, a plate chain line, a double-speed chain, a plug-in line, a mesh belt line, a suspension line and a roller assembly line. The various components that make up the rear cabin 20 can be transferred between multiple workstations in the second production line 2 and assembled into the rear cabin 20.

The third production line 3 may be one or more interconnected assembly lines in the production system of the chassis, which are used to assemble the energy cabin 30. The third production line 3 may include a plurality of workstations, which are arranged in sequence, and the components constituting the rear cabin 20 may be transferred between the plurality of workstations and assembled simultaneously to finally form the energy cabin 30 with an integral structure.

Exemplarily, the third production line 3 may include at least one of a belt assembly line, a plate chain line, a double-speed chain, a plug-in line, a mesh belt line, a suspension line and a drum assembly line. The components that make up the energy cabin 30 can be transferred between multiple workstations in the second production line 2 and assembled into an energy cabin 30.

The first production line 1, the second production line 2 and the third production line 3 are arranged in parallel, which means that the first production line 1, the second production line 2 and the third production line 3 are arranged independently of each other, and the operation of the three does not affect each other, which means that if a production line is stopped due to a problem, it will not affect the production of other production lines, which greatly reduces the possibility of the chassis production system being shut down.

The assembly bus 4 may be one or more interconnected assembly lines in the production system of the chassis, which are used to assemble the chassis as a whole. The assembly bus 4 may include a plurality of workstations, which are arranged in sequence, and the front cabin 10, the rear cabin 20 and the energy cabin 30 may be transferred between the plurality of workstations and assembled simultaneously to finally form the chassis as a whole.

Exemplarily, the assembly bus 4 may include at least one of a belt assembly line, a plate chain line, a double-speed chain, a plug-in line, a mesh belt line, a suspension line and a roller assembly line. The front cabin 10, the rear cabin 20 and the energy cabin 30 can be transferred between multiple workstations in the assembly bus 4 and assembled into a chassis as a whole.

In the above structure, the front cabin 10, the rear cabin 20 and the energy cabin 30 in the chassis are assembled by the first production line 1, the second production line 2 and the third production line 3 respectively, and the assembly bus 4 assembles the front cabin 10, the rear cabin 20 and the energy cabin 30, so that the length and the number of workstations of the assembly bus 4 are reduced. Since the workstations in the first production line 1 are used to assemble the front cabin 10, the workstations in the second production line 2 are used to assemble the rear cabin 20, and the workstations in the third production line 3 are used to assemble the energy cabin 30, the workstations in the first production line 1, the second production line 2 and the third production line 3 are used to assemble the energy cabin 30. The workstation areas in the production line 3 are all smaller than those in the assembly bus 4. The reduction in the length of the assembly bus 4 and the number of workstations is conducive to reducing the investment in production equipment and can reduce the production cost of the chassis.

In some embodiments, the front cabin 10 includes a front frame 101, a first electronically controlled drive unit 102, a first brake corner 103, a first shock absorber 104 and a heat exchange module 105, and the first production line 1 includes a first module 11, a second module 12, a third module 13 and a fourth module 14. The first module 11 is used to install the first electronically controlled drive unit 102 on the front frame 101, the second module 12 is used to install the first shock absorber 104 on the front frame 101, the third module 13 is used to install the first brake corner 103 on the first shock absorber 104, and the fourth module 14 is used to install the heat exchange module 105 on the front frame 101.

The first module 11 may include one or more workstations, which are used to install the first electronically controlled drive unit 102 on the front frame 101. In some embodiments, the first module 11 includes a plurality of workstations, and through the workstations in the first module 11, as shown in FIGS. 2 to 4 , the first module 11 may first install the first suspension device 106 on the front frame 101, then install the connecting plate 107 on the front frame 101, and then connect the first electronically controlled drive unit 102 to the first suspension device 106 and the connecting plate 107, thereby achieving the installation of the first electronically controlled drive unit 102 on the front frame 101.

Exemplarily, through the workstation in the first module 11 , the first module 11 can also install a steering gear on the front frame 101 .

The second module 12 may include one or more workstations, which are used to install the first shock absorber 104 on the front frame 101. In some embodiments, the second module 12 includes a plurality of workstations, and through the workstations in the second module 12, as shown in FIG. 5 and FIG. 6, the second module 12 may first connect the first drive axle 108 to the output end of the first electronically controlled drive unit 102, and then connect one end of the first shock absorber 104 to the front frame 101, and the other end of the first shock absorber 104 extends to the end of the first drive axle 108, so as to achieve the installation of the first shock absorber 104 on the front frame 101.

The third module 13 may include one or more workstations for installing the first brake angle 103 on the front frame 101. In some embodiments, through the workstations in the third module 13, the third module 13 may install the first brake angle 103 on the end of the drive half shaft, and simultaneously connect the other end of the first shock absorber 104 to the first brake angle 103, thereby achieving the installation of the first brake angle 103 on the front frame 101 (as shown in FIG. 7 ).

The fourth module 14 may include one or more stations for installing the heat exchange module 105 on the front frame 101 (as shown in FIG8 ). In some embodiments, the heat exchange module 105 may include a compressor and a cooling module, and the fourth module 14 includes a plurality of stations. Through the stations in the fourth module 14 , the fourth module 14 may first install the compressor on the front frame 101 and then install the cooling module on the front frame 101 .

Exemplarily, the front cabin 10 also includes a first connecting rod assembly, which is connected to the fourth module 14 through the station in the fourth module. Block 14 can mount the first link assembly on the front frame 101 .

The components constituting the front cabin 10 can be assembled to form the front cabin 10 through the actions of a plurality of workstations of the first production line 1 .

In some embodiments, the rear cabin 20 includes a rear axle assembly 201, the rear axle assembly 201 includes a first subframe 2011, a second electronically controlled drive unit 2012, a second brake angle 2013 and a second shock absorber 2014, the second production line 2 includes a fifth module 21, a sixth module 22 and a seventh module 23, the fifth module 21 is used to install the second electronically controlled drive unit 2012 on the first subframe 2011; the sixth module 22 is used to transmission connect the second brake angle 2013 to the second electronically controlled drive unit 2012; the seventh module 23 is used to install the second shock absorber 2014 on the second brake angle 2013.

The fifth module 21 may include one or more workstations for mounting the second electronically controlled drive unit 2012 on the first sub-frame 2011. Through the workstations in the fifth module 21, the fifth module 21 may connect the second electronically controlled drive unit 2012 to the first sub-frame 2011 (as shown in FIG. 9 ).

In some embodiments, the fifth module 21 can also be connected to the second drive half shaft 2015 (as shown in FIG. 10 ) at the output end of the second electric-controlled drive unit 2012 so that the second electric-controlled drive unit 2012 can output power to the outside.

The sixth module 22 may include at least one workstation for installing the second brake angle 2013 on the first sub-frame 2011. In some embodiments, through the workstation in the sixth module 22, the sixth module 22 may connect the second brake angle 2013 to the end of the second drive axle 2015 away from the second electronically controlled drive unit 2012, so as to achieve the installation of the second brake angle 2013 on the first sub-frame 2011 (as shown in FIG. 11 ).

The seventh module 23 may include one or more workstations for installing the second shock absorber 2014 on the first sub-frame 2011. In some embodiments, the seventh module 23 may include multiple workstations, through which the seventh module 23 may first connect one end of the second shock absorber 2014 to the second brake angle 2013, and then install the first coil spring 2016 on the first sub-frame 2011 (as shown in FIG. 12 ).

Exemplarily, the rear compartment 20 further includes a second connecting rod assembly, and the seventh module 23 can install the second connecting rod assembly on the first sub-frame 2011 through the workstation in the seventh module 23 .

In some embodiments, the rear cabin 20 also includes a rear frame 202, the rear axle assembly 201 is connected to the rear frame 202, and the second production line 2 also includes an eighth module 24, which is used to connect the first subframe 2011 and the second shock absorber 2014 to the rear frame 202.

The eighth module 24 may include at least one workstation for mounting the rear axle assembly 201 on the rear frame 202 to form the rear compartment 20. In some embodiments, the eighth module 24 may connect the other end of the second shock absorber 2014 to the rear frame 202 and connect the first subframe 2011 to the rear frame 202 through the workstation in the eighth module 24. The first coil spring 2016 is clamped between the rear frame 202 and the first sub-frame 2011 (as shown in FIG. 13 ).

Through the fifth module 21 , the sixth module 22 , the seventh module 23 and the eighth module 24 , the second production line 2 can assemble the entire rear cabin 20 of the multi-link independent suspension chassis.

In some embodiments, the chassis production system can also be used to assemble a rear cabin 20 of a torsion beam non-independent suspension chassis, and the assembly process is not shown. The rear cabin 20 includes a rear axle assembly 201, and the rear axle assembly 201 includes a second subframe, a third brake angle, and a third shock absorber. The second production line 2 includes a ninth module 25 and a tenth module 26. The ninth module 25 is used to install the third shock absorber on the second subframe, and the tenth module 26 is used to install the third brake angle on the second subframe.

The ninth module 25 may include at least one station for installing the third shock absorber on the second sub-frame. Through the stations in the ninth module 25, the ninth module 25 may connect one end of the third shock absorber to the second sub-frame to achieve the installation of the third shock absorber on the second sub-frame.

The tenth module 26 may include one or more workstations for installing the third brake angle on the second sub-frame. In some embodiments, the tenth module 26 includes a plurality of workstations, and through the workstations in the tenth module 26, the tenth module 26 may first install the third brake angle at both ends of the second sub-frame respectively to achieve the installation of the third brake angle on the second sub-frame, and then install the second coil spring on the second sub-frame.

In some embodiments, the rear cabin 20 further includes a rear frame 202 , the rear axle assembly 201 is connected to the rear frame 202 , and the second production line 2 further includes an eleventh module 27 , which is used to connect the second subframe and the third shock absorber to the rear frame 202 .

The eleventh module 27 may include at least one workstation for mounting the rear axle assembly 201 on the rear frame 202 to form the rear cabin 20. In some embodiments, through the workstation in the eleventh module 27, the eleventh module 27 may connect the other end of the third shock absorber to the rear frame 202, and connect the second sub-frame to the rear frame 202, so that the second coil spring is clamped between the rear frame 202 and the first sub-frame 2011.

Through the ninth module 25, the tenth module 26 and the eleventh module 27, the second production line 2 can assemble the entire rear cabin 20 of the torsion beam non-independent suspension chassis.

In some embodiments, the energy cabin 30 includes an energy cabin frame 301, electrical components 302 and batteries 303, and the third production line 3 includes a twelfth module 31 and a thirteenth module 32. The twelfth module 31 is used to install the electrical components 302 on the energy cabin frame 301, and the thirteenth module 32 is used to install the batteries 303 on the energy cabin frame 301.

The twelfth module 31 may include one or more stations for installing the electrical components 302 in the energy cabin. On the frame 301. In some embodiments, through the workstation in the twelfth module 31, the twelfth module 31 can install the electrical component 302 on the energy cabin frame 301.

The thirteenth module 32 may include one or more stations for installing the battery 303 on the energy cabin frame 301. In some embodiments, the thirteenth module 32 may install the battery 303 on the energy cabin frame 301 through the stations in the thirteenth module 32.

In some embodiments, as shown in FIG. 14 , the energy cabin frame 301 includes a first box body 3011 and a bracket 3012 that are interconnected, and the twelfth module 31 is used to install the electrical component 302 in the first box body 3011 .

The first box body 3011 and the bracket 3012 can be different structural parts connected to each other in the energy cabin frame 301, wherein the bracket 3012 is the main frame structure in the energy cabin frame 301, which is used to support the energy cabin frame 301 and transfer the load; the first box body 3011 can be a box structure for accommodating electrical components 302.

In some embodiments, the twelfth module 31 may include multiple workstations. Through the workstations of the twelfth module 31, the twelfth module 31 can first install the electrical component 302 in the cavity in the first box body 3011, and then cover the cover of the first box body 3011 to protect the electrical component 302 in the first box body 3011.

Exemplarily, the twelfth module 31 can also perform air tightness detection on the first box body 3011 , which is helpful to improve the air tightness of the first box body 3011 , thereby helping to improve the reliability of the first box body 3011 .

Exemplarily, the electrical components 302 may include an on-board charger, a current converter, a vehicle motion domain control center, and the like.

In some embodiments, as shown in Figure 15, the energy cabin 30 may also include a battery replacement low-voltage wiring harness 304 and a battery replacement high-voltage wiring harness 305, and the twelfth module 31 may also install the battery replacement low-voltage wiring harness 304 and the battery replacement high-voltage wiring harness 305 on the energy cabin frame 301, so as to facilitate the battery 303 to communicate with the electrical components 302 through the battery replacement low-voltage wiring harness 304 and the battery replacement high-voltage wiring harness 305 and output power to the outside.

In some embodiments, the energy cabin frame 301 also includes a second box 3013 connected to the bracket 3012 , and the thirteenth module 32 is used to install the battery 303 in the second box 3013 .

The second box 3013 may be a box structure in the energy cabin frame 301 that is connected to the bracket 3012 , and may be used to accommodate the battery 303 .

Through the working position of the thirteenth module 32, the thirteenth module 32 can install the battery 303 in the cavity in the second box body 3013 to realize the connection of the battery 303 on the energy cabin frame 301 (as shown in Figure 16), and at the same time protect the battery 303 in the second box body 3013.

In some embodiments, a battery lock 308 is provided on the inner wall of the second box 3013. The battery 303 is connected to the battery lock 308 .

The battery lock 308 may be a lock for fixing the battery 303, and the battery 303 can be easily disconnected or reconnected. By arranging the battery lock 308 on the inner wall of the second box 3013, the battery 303 can be easily connected to or disconnected from the second box 3013, so that the battery 303 is easy to replace.

In some embodiments, the thirteenth module 32 may include multiple workstations. Through the workstations of the thirteenth module 32, the thirteenth module 32 can first install the battery lock 308 on the inner wall of the second box body 3013, and then lock the battery 303 on the battery lock 308 to fix the battery 303 in the second box body 3013.

In some embodiments, the assembly bus 4 includes a fourteenth module 41, which is used to connect the rear cabin 20 to the end of the energy cabin 30 close to the first box body 3011, and connect the front cabin 10 to the end of the energy cabin 30 opposite to the rear cabin 20.

The fourteenth module 41 may include one or more workstations for connecting the front cabin 10 and the rear cabin 20 to the opposite ends of the energy cabin 30 to form the chassis of the vehicle. In some embodiments, the fourteenth module 41 may include a plurality of workstations, and through the workstations in the fourteenth module 41, the fourteenth module 41 may connect the front cabin 10 and the rear cabin 20 to the opposite ends of the energy cabin 30, respectively (as shown in FIG. 17 ).

Among them, the fourteenth module 41 can first connect the rear cabin 20 to the end of the energy cabin 30 close to the first box body 3011, and then connect the front cabin 10 to the end of the energy cabin 30 opposite to the rear cabin 20, so that the rear cabin 20 and the front cabin 10 are respectively connected to the two ends of the energy cabin 30 in the forward direction of the vehicle.

In some embodiments, the chassis may also include a high-voltage connection harness 306 and a low-voltage connection harness 307. The fourteenth module 41 may also set a high-voltage connection harness 306 and a low-voltage connection harness 307 on the chassis. The high-voltage connection harness 306 can electrically connect the first electric control drive unit 102, the second electric control drive unit 2012 and the battery 303, and the low-voltage connection harness 307 can electrically connect the electrical component 302, the first electric control drive unit 102 and the second electric control drive unit 2012 to realize drive control of the chassis.

Some embodiments of the present application also provide a method for producing a chassis, as shown in FIG18 , the method for producing a chassis includes:

S10, assembling to form the front cabin 10.

The first production line 1 in the chassis production system provided by the aforementioned technical solution may be used to perform step S10 so as to assemble and form the front cabin 10 .

S20 , assembling to form the rear cabin 20 .

The second production line 2 in the chassis production system provided by the aforementioned technical solution can perform steps S20 , so as to assemble and form the rear compartment 20 .

S30, assembling to form the energy cabin 30.

The third production line 3 in the chassis production system provided by the aforementioned technical solution may be used to perform step S30 so as to assemble and form the energy cabin 30 .

S40, installing the front cabin 10 and the rear cabin 20 at the two ends of the energy cabin 30 respectively.

The bus 4 may be assembled in the chassis production system provided by the aforementioned technical solution to execute step S40 so as to assemble the chassis.

In the chassis production method, step S10, step S20 and step S30 can be performed simultaneously without affecting each other. Even if a problem occurs in one step, other steps will not be affected, which reduces the possibility of production suspension during the chassis production process and is conducive to improving the continuity of chassis production.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them; although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application, and they should all be included in the scope of the claims and specification of the present application. In particular, as long as there is no structural conflict, the various technical features mentioned in the various embodiments can be combined in any way. The present application is not limited to the specific embodiments disclosed herein, but includes all technical solutions that fall within the scope of the claims.

Claims (12)

A chassis production system, comprising: The first production line is used to assemble the front cabin; The second production line is used to assemble the rear cabin; A third production line is used to assemble energy cabins, wherein the first production line, the second production line and the third production line are arranged in parallel; and Assemble the bus and install the front cabin and the rear cabin at the two ends of the energy cabin respectively. The chassis production system according to claim 1, wherein the front cabin includes a front frame, a first electronically controlled drive unit, a first brake angle, a first shock absorber and a heat exchange module, and the first production line includes: A first module, used for mounting the first electronically controlled drive unit on a front frame; A second module, used for mounting the first shock absorber on the front frame; a third module, for connecting the first brake angle with the first shock absorber; The fourth module is used to install the heat exchange module on the front frame. The production system of the chassis according to claim 1 or 2, wherein the rear compartment includes a rear axle assembly, the rear axle assembly includes a first subframe, a second electronically controlled drive unit, a second brake angle and a second shock absorber, and the second production line includes: A fifth module, used for installing the second electronically controlled drive unit on the first sub-frame; A sixth module, used for connecting the second brake angle transmission to the second electronically controlled drive unit; A seventh module is used to install the second shock absorber on the second brake corner. The chassis production system according to claim 3, wherein the rear cabin further comprises a rear frame, the rear axle assembly is connected to the rear frame, and the second production line further comprises: An eighth module is used to connect the first subframe and the second shock absorber to the rear frame. The production system of the chassis according to any one of claims 1 to 4, wherein the rear compartment includes a rear axle assembly, the rear axle assembly includes a second subframe, a third brake angle and a third shock absorber, and the second production line includes: A ninth module, used for installing the third shock absorber on the second sub-frame; A tenth module is used to install the third brake angle on the second subframe. The chassis production system according to claim 5, wherein the rear cabin further comprises a rear frame, the rear axle assembly is connected to the rear frame, and the second production line further comprises: An eleventh module is used to connect the second sub-frame and the third shock absorber to the rear frame. The chassis production system according to any one of claims 1 to 6, wherein the energy cabin comprises an energy cabin frame, electrical components and batteries, and the third production line comprises: A twelfth module is used to install the electrical components on the energy cabin frame; The thirteenth module is used to install the battery on the energy cabin frame. The chassis production system according to claim 7, wherein the energy cabin frame includes a first box body and a bracket connected to each other, and the twelfth module is used to install the electrical component in the first box body. The chassis production system according to claim 8, wherein the energy cabin frame also includes a second box connected to the bracket, and the thirteenth module is used to install the battery in the second box. The chassis production system according to claim 9, wherein a battery lock is provided on the inner wall of the second box body, and the thirteenth module connects the battery to the battery lock. The production system of a chassis according to any one of claims 8 to 10, wherein the assembly bus comprises: The fourteenth module is used to connect the rear cabin to the end of the energy cabin close to the first box body, and to connect the front cabin to the end of the energy cabin opposite to the rear cabin. A method for producing a chassis, comprising: Assemble to form the front cabin; Assemble to form the rear cabin; Assemble to form an energy cabin; The front cabin and the rear cabin are respectively installed at two ends of the energy cabin.