CN-115648911-B - Method for assembling running module

CN115648911BCN 115648911 BCN115648911 BCN 115648911BCN-115648911-B

Abstract

The application provides an assembling method of a traveling module, which belongs to the field of vehicle assembling and comprises the steps of installing a longitudinal beam on a flexible section assembly of a vehicle body, installing an anti-collision beam assembly on the longitudinal beam, installing a motor suspension on the longitudinal beam, installing a rear suspension beam device below the longitudinal beam in an inclined manner, wherein the motor suspension and the rear suspension beam device are arranged at intervals along the X direction, respectively connecting the motor assembly with the motor suspension and the rear suspension beam device, installing a suspension system on the longitudinal beam and connected with the rear suspension beam device, penetrating through a through hole in the middle of the longitudinal beam through which a driving shaft assembly passes, respectively connecting two ends of the driving shaft assembly with the motor assembly and the suspension system, and installing a wheel assembly on the suspension system. The technical problems that in the prior art, an upper control arm assembly, a lower control arm assembly and a strut assembly of a suspension system are required to be installed on a subframe and a turret structure, so that the number of parts is large, the assembly dimension is long, the installation tolerance is large and the cost is increased are solved.

Inventors

WANG LEI
GAO HAILONG
Mei teng

Assignees

阿尔特汽车技术股份有限公司

Dates

Publication Date: 20260505
Application Date: 20221107

Claims (16)

1. A method for assembling a traveling module is characterized by comprising a vehicle body flexible section assembly, a longitudinal beam, an anti-collision beam assembly, a motor suspension, a rear suspension beam device, a motor assembly, a suspension system, a driving shaft assembly and a wheel assembly, wherein a through hole is formed in the middle of the longitudinal beam, and the method comprises the following steps: Mounting the longitudinal beam on the vehicle body flexible section assembly; Mounting the anti-collision beam assembly on the longitudinal beam; Mounting the motor suspension on the longitudinal beam; The rear suspension cross beam device is arranged below the joint of the longitudinal beam and the vehicle body flexible section assembly, wherein the motor suspension and the rear suspension cross beam device are arranged at intervals along the X direction, and the X direction is a straight line where the vehicle head direction is; connecting the motor assembly to the motor mount and the rear mount cross beam device, respectively; mounting a suspension system on said stringers and connecting to said rear suspension cross member means; The driving shaft assembly passes through the middle through hole of the longitudinal beam, and two ends of the driving shaft assembly are respectively connected with the motor assembly and the suspension system; mounting the wheel assembly on the suspension system; the rear suspension beam device comprises a transverse stabilizer bar assembly, a steering gear assembly and a suspension rear beam assembly, wherein the rear suspension beam device is arranged below the joint of the longitudinal beam and the vehicle body flexible section assembly and comprises: The transverse stabilizer bar assembly is arranged on one side of the longitudinal beam through hole and is connected with the suspended rear cross beam assembly; mounting the diverter assembly on top of the suspended rear cross beam assembly; mounting the suspended rear cross beam assembly below the joint of the longitudinal beam and the vehicle body flexible section assembly; Connect the motor assembly respectively in motor suspension and back suspension beam means includes: The motor assembly is respectively connected with the motor suspension and the suspension rear cross beam assembly; the suspension system comprises a braking angle assembly, an upper control arm assembly, a lower control arm assembly and a strut assembly, wherein the suspension system is arranged on the longitudinal beam and connected with the rear suspension cross beam device, and the suspension system comprises: The sliding column assembly is arranged on the longitudinal beam and is connected with the lower control arm assembly; mounting the upper control arm assembly on the longitudinal beam and connecting the upper control arm assembly with the brake angle assembly; And connecting the lower control arm assembly with the longitudinal beam, the braking angle assembly and the transverse stabilizer bar assembly.
2. The method of assembling a travel module according to claim 1, wherein the number of the longitudinal members is two, the vehicle body flexible section assembly includes two torsion box assemblies and a mounting cross member integrally formed, the two torsion box assemblies are respectively connected to two opposite side walls at both ends of the mounting cross member, the torsion box assemblies are provided with first grooves, the two torsion box assemblies are arranged at intervals along a Y direction, and the Y direction is a vehicle body width direction, and the method comprises the steps of mounting the longitudinal members on the vehicle body flexible section assembly: and the longitudinal beams are arranged on the torsion box assembly by utilizing the first grooves, wherein the longitudinal beams correspond to the torsion box assembly one by one.
3. The method of assembling a travel module of claim 1, wherein the number of stringers is two, the impact beam assembly includes two crash boxes and an impact beam, the crash boxes are provided with second grooves, and wherein mounting the impact beam assembly on the stringers comprises: mounting the anti-collision beam to the two energy absorption boxes by utilizing the second grooves; and installing the energy absorption boxes on the longitudinal beams, wherein the energy absorption boxes are in one-to-one correspondence with the longitudinal beams.
4. The method of assembling a travel module of claim 1, wherein the stringers are two in number, the motor mount comprises a first mount and a second mount, wherein mounting the motor mount on the stringers comprises: mounting the first suspension on an inner wall of one of the stringers; And the second suspension is arranged on the inner wall of the other longitudinal beam, wherein the first suspension and the second suspension are correspondingly arranged.
5. The method of assembling a travel module of claim 1 wherein the brake angle assembly includes a knuckle assembly, a brake disc fender, a hub bearing assembly, a brake disc, and a brake caliper assembly, wherein mounting the upper control arm assembly on the rail and in connection with the brake angle assembly includes: Mounting the brake disc splash guard inboard of the hub bearing assembly; connecting the hub bearing assembly with the knuckle assembly to attach the knuckle assembly to the brake disc splash guard; mounting the brake disc on a flange of the hub bearing assembly; mounting the brake caliper assembly on the knuckle assembly; installing the upper control arm assembly on the longitudinal beam and connecting the upper control arm assembly with the knuckle assembly; mounting the wheel assembly on the suspension system, comprising: the wheel assembly is mounted outboard of a brake disc on the hub-bearing assembly.
6. The method according to claim 5, wherein the knuckle assembly includes a knuckle body, an upper ball stud assembly, and a lower ball stud assembly, a first through hole is provided in a middle portion of the knuckle body, a second through hole and a third through hole are provided at a top portion and a bottom portion of the knuckle body, respectively, wherein a fourth through hole and a fifth through hole are provided at a side portion of the second through hole and the third through hole so as to protrude, and wherein the hub bearing assembly is connected to the knuckle assembly to attach the knuckle assembly to the brake disc fender, and the method includes: Pressing the upper ball pin assembly into the second through hole from top to bottom, wherein the bottom of the upper ball pin assembly does not protrude out of the second through hole; Pressing the lower ball pin assembly into the third through hole from top to bottom, wherein the bottom of the lower ball pin assembly does not protrude out of the third through hole; The corresponding bolts respectively pass through the fourth through hole and the fifth through hole and are connected with the corresponding nuts so as to respectively tighten the upper ball pin assembly and the steering knuckle body and the lower ball pin assembly and the steering knuckle body; Connecting the hub bearing assembly with an external mounting surface of the knuckle body to enable the external mounting surface of the knuckle body to be attached to the brake disc splash guard; Mounting the upper control arm assembly on the longitudinal beam and in connection with the knuckle assembly, comprising: The upper control arm assembly is mounted on the longitudinal beam and connected to the knuckle body by the upper ball stud assembly.
7. The method of assembling a travel module of claim 6 wherein passing the drive axle assembly through the stringer mid-section through-hole and connecting both ends thereof to the motor assembly and the suspension system comprises; the drive shaft assembly is passed through the first through hole and connected to the hub bearing assembly.
8. The method of assembling a traveling module according to claim 7, wherein the upper control arm assembly has a delta-fork shape, a first outer mounting hole having a Z-direction is disposed at an outer end thereof, the Z-direction is a direction perpendicular to the ground, and a first front mounting point and a first rear mounting point having an X-direction are disposed at both inner ends thereof, respectively, wherein the upper control arm assembly is mounted on the side member and connected to the knuckle body through the upper ball pin assembly, and comprises: Connecting the upper control arm assembly with the knuckle assembly through the upper ball stud assembly using the first outer mounting hole; the upper control arm assembly is connected to the stringers using the first front mounting point and the first rear mounting point.
9. The method of assembling a travel module of claim 7 wherein said lower control arm assembly is also in the form of a triangular fork having an outer end with a second outer mounting hole in the Z-direction and two prongs at each of the opposite inner ends with a second inner front mounting point and a second rear mounting point in the X-direction, respectively, wherein said lower control arm assembly is mounted on said stringers and connected to said knuckle body by said lower ball stud assembly, comprising: connecting the lower control arm assembly with the knuckle body using the second outer mounting hole; and the lower control arm assembly is connected with the longitudinal beam by utilizing the second inner front mounting point and the second rear mounting point and adopting an eccentric bolt and eccentric gasket adjusting mechanism.
10. The method of assembling a travel module of claim 1, wherein the top and bottom of the strut assembly are provided with an upper shackle and a lower shackle, respectively, wherein the strut assembly is mounted on the stringers and connected to the lower control arm assembly, comprising: Connecting the strut assembly with the longitudinal beam by using the upper lifting lug; and connecting the sliding column assembly with the lower control arm assembly by utilizing the lower lifting lug.
11. The method of assembling a travel module of claim 10, wherein a sixth through hole is provided in a middle portion of the lower control arm assembly, and a mounting plate extending toward a bottom is provided in the sixth through hole, wherein connecting the strut assembly with the lower control arm assembly using the lower lifting lug comprises: passing the lower lifting lug through the sixth through hole; and connecting the lower lifting lug with the mounting plate.
12. The method of assembling a travel module of claim 1, the stabilizer bar assembly comprising a connecting rod assembly, a stabilizer bar body, a bushing, and a clip; Wherein, with the stabilizer bar assembly is laid the one side of longeron via hole, and with suspension rear cross beam assembly is connected, includes: Sleeving the bushing on the stabilizer bar body; Clamping the bushing and the stabilizer bar body by the clamp and connecting the clamp to the suspended rear cross beam assembly, wherein the bushing is in interference fit with the clamp; connecting the lower control arm assembly with the longitudinal beam, the brake angle assembly and the stabilizer bar assembly, comprising: connecting the lower control arm assembly with the longitudinal beam and the brake angle assembly; and connecting the connecting rod assembly with the stabilizer bar body and the lower control arm assembly.
13. The method of assembling a travel module of claim 12, wherein the connecting rod assembly includes an upper ball head, a lower bushing, and a rod member, wherein the stabilizer bar body is provided with an X-directional seventh through hole at both ends thereof, wherein connecting the connecting rod assembly with the stabilizer bar body and the lower control arm assembly includes: The upper ball head is connected with the lower bushing by the rod, wherein the upper ball head is positioned at the top end of the rod, and the lower bushing is positioned at the bottom end of the rod; Connecting the upper ball head to the end of the stabilizer bar body by using a seventh through hole; The lower bushing is connected to the lower control arm assembly.
14. The method of assembling a travel module of claim 13, wherein the side of the lower control arm assembly is provided with a protruding first threaded hole, wherein connecting the lower bushing to the lower control arm assembly comprises: and the lower bushing is installed on the lower control arm assembly by utilizing the first threaded hole and is connected with the lower control arm assembly.
15. The method of assembling a travel module of claim 6, wherein the steering assembly includes a rack, a steering body, and a track rod assembly, wherein mounting the steering assembly on top of the suspended rear cross-beam assembly includes: mounting the diverter body on top of the suspended rear cross beam assembly; The rack is arranged in the steering gear body, and two ends of the rack are respectively connected with the tie rod assembly, wherein the tie rod assembly extends along the Z direction; the tie rod assembly is coupled to the knuckle body.
16. The method of assembling a travel module of claim 15, wherein the rear and front ends of the knuckle body are further provided with vertical and lateral mounting holes, respectively, and wherein connecting the tie rod assembly to the knuckle body comprises: connecting the knuckle body with the tie rod assembly outer ball head by utilizing the vertical mounting hole; Mounting the brake caliper assembly on the knuckle assembly, comprising: The brake caliper assembly is connected to the knuckle body with the transverse mounting hole.

Description

Method for assembling running module Technical Field The application relates to the field of vehicle assembly, in particular to an assembly method of a driving module. Background The new energy automobile is an automobile which adopts unconventional automobile fuel as a power source (or adopts conventional automobile fuel and a novel automobile-mounted power device) and integrates the advanced technology in the aspects of power control and driving of the automobile, and the formed technical principle is advanced, and the automobile has a new technology and a new structure. The corresponding driving module is particularly important for vehicles as a module for guaranteeing the stability and safety of the driving module in the driving process. In order to realize that the driving module is installed on a new energy automobile, in the prior art, an upper control arm assembly, a lower control arm assembly and a sliding column assembly are often required to be installed on a subframe and a turret structure, and are required to be installed and matched by using separate tools, and finally the subframe and a longitudinal beam of a vehicle body are connected to realize the installation of the driving module. But in the prior art, the upper control arm assembly, the lower control arm assembly and the sliding column all need to be installed on the auxiliary frame and the turret structure, so that the number of parts is large, the assembly size chain is increased, the installation tolerance is large, and the required auxiliary tools are large in number, so that the assembly is complex and the consumption cost is high. Based on this, the present application has been made. Disclosure of Invention The application provides an assembly method of a traveling module, which solves the technical problems of complex assembly and high consumption cost caused by the fact that in the prior art, an upper control arm assembly, a lower control arm assembly and a sliding column are all required to be installed on an auxiliary frame and a turret structure, and the assembly method has the advantages of large number of parts, long assembly size, large installation tolerance and more types and numbers of required auxiliary tools. The application provides an assembly method of a traveling module, which comprises a vehicle body flexible section assembly, a longitudinal beam, an anti-collision beam assembly, a motor suspension, a rear suspension beam device, a motor assembly, a suspension system, a driving shaft assembly and a wheel assembly, wherein a through hole is formed in the middle of the longitudinal beam; the assembly method comprises the steps of installing a longitudinal beam on a vehicle body flexible section assembly, installing an anti-collision beam assembly on the longitudinal beam, installing a motor suspension on the longitudinal beam, installing a rear suspension beam device below a joint of the longitudinal beam and the vehicle body flexible section assembly, wherein the motor suspension and the rear suspension beam device are arranged at intervals along the X direction, respectively connecting the motor assembly with the motor suspension and the rear suspension beam device, installing a suspension system on the longitudinal beam and connected with the rear suspension beam device, penetrating a driving shaft assembly through a longitudinal beam through hole, respectively connecting two ends of the driving shaft assembly with the motor assembly and the suspension system, and installing a wheel assembly on the suspension system. The number of the longitudinal beams is two, the vehicle body flexible section assembly comprises two torsion box assemblies and an installation cross beam, the two torsion box assemblies are respectively connected to two opposite side walls at two ends of the installation cross beam, first grooves are formed in the torsion box assemblies, the two torsion box assemblies are arranged at intervals along the Y direction, the longitudinal beams are installed on the vehicle body flexible section assembly, the longitudinal beams are installed on the torsion box assemblies through the first grooves, and the longitudinal beams correspond to the torsion box assemblies one by one. Optionally, the number of the longitudinal beams is two, the anti-collision beam assembly comprises two energy absorption boxes and anti-collision beams, the energy absorption boxes are provided with second grooves, the anti-collision beam assembly is arranged on the longitudinal beams, the anti-collision beam assembly comprises the steps of arranging the anti-collision beams on the two energy absorption boxes through the second grooves, and arranging the energy absorption boxes on the longitudinal beams, wherein the energy absorption boxes are in one-to-one correspondence with the longitudinal beams. The number of the longitudinal beams is two, the motor suspension comprises a first suspension and a second suspension, the motor sus