CN113386880B - Front suspension mounting structure - Google Patents
Front suspension mounting structure Download PDFInfo
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- CN113386880B CN113386880B CN202110725028.1A CN202110725028A CN113386880B CN 113386880 B CN113386880 B CN 113386880B CN 202110725028 A CN202110725028 A CN 202110725028A CN 113386880 B CN113386880 B CN 113386880B
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- wall plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D65/00—Designing, manufacturing, e.g. assembling, facilitating disassembly, or structurally modifying motor vehicles or trailers, not otherwise provided for
- B62D65/02—Joining sub-units or components to, or positioning sub-units or components with respect to, body shell or other sub-units or components
- B62D65/12—Joining sub-units or components to, or positioning sub-units or components with respect to, body shell or other sub-units or components the sub-units or components being suspensions, brakes or wheel units
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/02—Side panels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/08—Front or rear portions
- B62D25/16—Mud-guards or wings; Wheel cover panels
- B62D25/163—Mounting devices
Abstract
The invention discloses a front suspension mounting structure, which comprises a front side plate, a front wheel cover assembly, a front suspension assembly, a front baffle plate assembly, a front dash plate assembly and an extension reinforcing plate, wherein the front side plate, the front wheel cover assembly and the front suspension assembly are longitudinally arranged on the left side and the right side of a vehicle body; the front wheel cover assembly is respectively fixed with the front side plate and the front cabin upper edge beam; the upper end of the front wall plate assembly is fixed with the front partition plate assembly, the lower end of the front wall plate assembly is fixed with the central channel, the extension reinforcing plate is arranged below the front wall plate assembly and is enclosed with the front wall plate assembly and the front wall plate assembly to form a first closed cavity, and the left end and the right end of the extension reinforcing plate are fixed with the front suspension assemblies on the left side and the right side respectively. The front suspension mounting structure is simple in structure, improves NVH performance, improves riding comfort of passengers, avoids stress concentration problem, and improves durability and reliability of a vehicle body.
Description
Technical Field
The invention relates to the technical field of automobile manufacturing, in particular to a front suspension mounting structure.
Background
During the running process of the vehicle, the front suspension repeatedly impacts the front wheel cover of the vehicle body, and the vehicle body mounting structure has enough strength to bear the suspension load.
The prior art front suspension mounting point structure is shown in fig. 1 to 5, and is one of the positions where high stress mainly exists, and is also a weak position of the dynamic stiffness of a suspension hard point, so that a series of problems such as vehicle body cracking, high road noise and the like are easy to occur. The prior art front suspension mounting structures are as follows and have problems, respectively:
1. the lower ends of the wheel covers are connected only by the front longitudinal beam 1 ', and the upper ends of the wheel covers are connected by the front cabin upper side beam 2 ' and the front clapboard mounting plate 3 ', so that the rigidity and NVH (noise, vibration and harshness) performance of a front suspension mounting point are poor;
2. the problem of frequent cracking of the vehicle body when the repeated load impact of the front suspension is borne due to poor vehicle body connectivity;
3. the reinforcing plates on the front wall 5 'are scattered and are more in number, the main reinforcing plates only comprise a brake reinforcing plate 4', the rigidity of the front wall is poor, and the front suspension impact load is transmitted to a vehicle body mounting point and a front wall area to cause vibration and noise in the vehicle.
Disclosure of Invention
The present invention has been made to solve the problems of the prior art, and an object of the present invention is to provide a front suspension mounting structure that has a simple structure, improves NVH performance, improves passenger riding comfort, avoids stress concentration problems, and improves durability and reliability of a vehicle body.
The technical scheme adopted by the invention is as follows:
the invention discloses a front suspension mounting structure, which comprises a front side plate, a front wheel cover assembly, a front suspension assembly, a front baffle plate assembly, a front dash plate assembly and an extension reinforcing plate, wherein the front side plate, the front wheel cover assembly and the front suspension assembly are longitudinally arranged on the left side and the right side of a vehicle body; the front wheel cover assembly is arranged on the inner side of the front side plate and is respectively fixed with the front side plate and the front cabin upper edge beam, and the lower end of the front wheel cover assembly is fixed with the front girder; the front suspension assembly is embedded into the front wheel cover assembly and fixed with the front wheel cover assembly; the end part of the front clapboard assembly is respectively fixed with the front cabin upper edge beam and the front wheel cover assembly, the front clapboard assembly comprises a front clapboard upper plate, a front clapboard lower plate and a front clapboard supporting plate, the rear end of the front clapboard upper plate is connected with the front clapboard lower plate, and the front clapboard supporting plate is clamped between the front clapboard lower plate and the front clapboard upper plate at intervals along the length direction of the front clapboard lower plate; the front wall plate assembly is arranged below the front partition plate assembly, the upper end of the front wall plate assembly is fixed with the front partition plate assembly, the lower end of the front wall plate assembly is fixed with the central channel, and the left end and the right end of the front wall plate assembly are respectively fixed with the front side plates on the left side and the right side; the extension reinforcing plate is arranged below the front partition plate assembly and is surrounded with the front partition plate assembly and the front partition plate assembly to form a first closed cavity, and the left end and the right end of the extension reinforcing plate are fixed with the front suspension assemblies on the left side and the right side respectively.
Preferably, the preceding suspension assembly is including hanging the body and hanging the mounting panel, hang the periphery of mounting panel with front wheel casing assembly is fixed, the top of hanging the body is worn to locate the centre of hanging the mounting panel, extend about the reinforcing plate both ends respectively with the left and right sides hang the mounting panel fixed.
Preferably, the front suspension assembly further comprises a suspension support plate, the top end of the suspension support plate is fixed to the front partition plate assembly, and the lower end of the suspension support plate is fixed to the suspension mounting plate.
Preferably, the front suspension assembly further comprises a suspension reinforcing plate, the suspension reinforcing plate is arranged above the suspension mounting plate, and the suspension reinforcing plate, the front partition plate assembly and the suspension mounting plate are sequentially fixed from top to bottom.
Preferably, the suspension reinforcing plate is provided with at least three fixing points at the mounting point of the suspension body in an equal interval ring, and screws sequentially penetrate through the suspension mounting plate, the front partition plate assembly and the fixing points from bottom to top.
Preferably, the front coaming assembly comprises a coaming body, the upper end of the coaming body is fixed with the front baffle assembly, the lower end of the coaming body is fixed with the central channel, and the left end and the right end of the coaming body are respectively fixed with the front side plates on the left side and the right side.
Preferably, the front wall plate assembly further comprises a wall plate cross beam, the wall plate cross beam is fixed with the wall plate body and encloses to form a second cavity, and the left end and the right end of the wall plate cross beam are fixed with the front girders on the left side and the right side.
Preferably, the front wall plate assembly further comprises a wall plate longitudinal beam, the upper end of the wall plate longitudinal beam is fixed with the wall plate body and the extension reinforcing plate, the lower end of the wall plate longitudinal beam is fixed with the wall plate cross beam and the wall plate body, and the wall plate longitudinal beam and the wall plate body are surrounded to form a third cavity.
Preferably, the front wall plate assembly further comprises a wall plate supporting beam, one end of the wall plate supporting beam is fixed to the front side plate, the other end of the wall plate supporting beam is fixed to the wall plate cross beam and the front girder, and the wall plate supporting beam and the wall plate body are surrounded to form a fourth cavity.
Preferably, the front wheel casing assembly comprises a wheel casing outer plate, the outer side surface of the wheel casing outer plate is fixed with the front cabin roof side beam and the front side plate, the inner side surface of the wheel casing outer plate is fixed with the front suspension assembly, and the top side surface of the wheel casing outer plate is fixed with the front partition plate assembly.
Compared with the prior art, the front suspension mounting structure has the advantages that: simple structure, improvement NVH performance, promotion passenger take the travelling comfort, avoid stress concentration's problem, improvement automobile body endurance reliability.
Drawings
FIG. 1 is an interior view of a front suspension mounting structure of the prior art.
Figure 2 a cross-sectional view a-a of a prior art front suspension mounting structure of figure 1.
Fig. 3 is a cross-sectional view B-B of fig. 1 illustrating a front suspension mounting configuration according to the prior art.
FIG. 4 is an exterior view of a front suspension mounting structure of the prior art.
Fig. 5 is an enlarged view of C in fig. 4 of a prior art front suspension mounting structure.
Fig. 6 is a cross-sectional view E-E of prior art front suspension mounting structure in fig. 5.
FIG. 7 is an exterior view of a front suspension mounting structure of the present invention.
FIG. 8 is an interior view of a front suspension mounting structure of the present invention.
Fig. 9 a cross-sectional view G-G of a front suspension mounting structure of the present invention in fig. 8.
Fig. 10 a front suspension mounting structure according to the invention is shown in cross-section I-I in fig. 8.
Fig. 11 is an exploded view of a front suspension mounting structure of the present invention.
Fig. 12 is a cross-sectional view H-H of a front suspension mounting structure of the present invention in fig. 8.
FIG. 13 is an enlarged view of a front suspension assembly of the front suspension mounting arrangement of the present invention.
Fig. 14 is a cross-sectional view of J-J of fig. 13 of a front suspension mounting structure of the present invention.
Figure 15 a front suspension mounting structure of the invention is shown in cross-section F-F in figure 7.
Description of the figures
1', front longitudinal beam; 2', an upper edge beam of the front cabin; 3', a front clapboard installing plate; 4', a brake reinforcing plate; 5', a front wall plate;
1. a front side plate;
2. a front wheel cover assembly; 21. a wheel house outer plate; 22. a wheel house inner plate;
3. a front suspension assembly; 31. a suspension body; 311. a post locator assembly; 312. a shock strut assembly; 32. suspending the mounting plate; 321. a hinge mounting plate; 33. suspending the support plate; 34. suspending a reinforcing plate; 341. a fixed point;
4. a front bulkhead assembly; 41. a front baffle upper plate; 42. a front bulkhead lower plate; 43. a front baffle support plate;
5. a dash panel assembly; 51. a coaming body; 52. a coaming cross beam; 53. a coaming longitudinal beam; 54. a coaming support beam; 55. a brake reinforcing plate; 56. a mute steel plate;
6. an extension reinforcing plate;
7. a front deck roof side rail; 8. a front girder; 9. a central channel;
100. a first cavity; 200. a second cavity; 300. a third cavity; 400. a fourth cavity; 500. a fifth cavity; 600. and a sixth cavity.
Detailed Description
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "inner", "outer", "vertical", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The present invention is explained by taking a front suspension mounting structure located on the left side of an automobile body as an example. The coaming cross beam 52 is arranged at the front side, the coaming longitudinal beam 53 is arranged at the rear side, the front clapboard assembly 4 is arranged at the upper side, the coaming cross beam 52 is arranged at the lower side, the front side plate 1 is arranged at the outer side, the front wheel cover assembly 2 is arranged at the inner side, and the directions of 'front', 'rear', 'left', 'right', 'upper', 'lower', 'inner' and 'outer' are determined according to the directions, the longitudinal direction is the length direction of the automobile, and the transverse direction is the width direction of the automobile.
A front suspension mounting structure of the present invention will be described in further detail with reference to fig. 7 to 15 of the drawings.
Referring to fig. 7 to 15, a front suspension mounting structure of the present invention includes a front side plate 1, a front wheel house assembly 2, a front suspension assembly 3, a front bulkhead assembly 4, a front bulkhead assembly 5, and an extension reinforcement plate 6, which are longitudinally disposed on the left and right sides of a vehicle body, and are transversely disposed on the front side of the vehicle body; the front wheel cover assembly 2 is arranged on the inner side of the front side plate 1 and is respectively fixed with the front side plate 1 and the front cabin upper side beam 7, and the lower end of the front wheel cover assembly 2 is fixed with the front girder 8; the front suspension assembly 3 is embedded into the front wheel cover assembly 2 and fixed with the front wheel cover assembly 2; the end part of the front clapboard assembly 4 is respectively fixed with the front cabin upper edge beam 7 and the front wheel cover assembly 2; the front wall assembly 5 is arranged below the front partition assembly 4, the upper end of the front wall assembly 5 is fixed with the front partition assembly 4, the lower end of the front wall assembly 5 is fixed with the central channel 9, and the left end and the right end of the front wall assembly 5 are respectively fixed with the front side plates 1 on the left side and the right side; the extension reinforcing plate 6 is arranged below the front partition plate assembly 4, and is enclosed with the front partition plate assembly 4 and the front partition plate assembly 5 to form a first closed cavity, and the left end and the right end of the extension reinforcing plate 6 are respectively fixed with the front suspension assemblies 3 on the left side and the right side.
Thus, the front side plate 1, the front wheel house assembly 2 and the front suspension assembly 3 are symmetrically disposed on the left and right sides of the vehicle in the longitudinal direction of the vehicle, the dash panel assembly 4, the dash panel assembly 5 and the extension reinforcement panel 6 are disposed in the width direction of the vehicle, wherein the dash panel assembly 5 is disposed in the height direction of the vehicle, the dash panel assembly 4 is disposed above the dash panel assembly 5 and both are welded together, the extension reinforcement panel 6 is disposed in front of the dash panel assembly 5, the upper end of the extension reinforcement panel 6 is welded together with the dash panel assembly 4, the lower end of the extension reinforcement panel 6 is welded together with the dash panel assembly 5, the extension reinforcement panel 6, the dash panel assembly 4 and the dash panel assembly 5 enclose the first closed cavity 100, and the left and right ends of the extension reinforcement panel 6 are welded together with the front suspension assemblies 3 on the left and right sides, the front suspension assembly 3 is embedded in the front wheel house assembly 2, so that the first cavity 100 extends from the front wheel house assembly 2 on the left side to the front wheel house assembly 2 on the right side, and the rigidity of the suspension mounting point of the front wheel house assembly 2 is improved. The front clapboard assembly 4 and the front suspension assembly 3 are provided with overlapping parts, and the front clapboard assembly and the front suspension assembly are welded and fixed at the overlapping parts, so that the force transmission path of a suspension mounting point is increased.
When in welding, the front wheel cover assembly 2 and the front girder 8 are welded, then the extension reinforcing plate 6 is assembled, and then the front dash plate assembly 5 and the front dash plate assembly 4 are assembled, so that the resistance electric welding connection of the extension reinforcing plate 6 and the front wheel cover assembly 2, the front dash plate assembly 4 and the front dash plate assembly 5 is realized through the structure and the assembly mode.
Further, the front partition assembly 4 includes a front partition upper plate 41, a front partition lower plate 42 and a front partition support plate 43, the rear end of the front partition upper plate 41 is welded and fixed to the front partition lower plate 42, the front partition lower plate 42 forms a structure with a vertical cross section in a shape like a letter "V", the front partition support plate 43 is clamped between the front partition lower plate 42 and the front partition upper plate 41 at intervals along the length direction of the front partition lower plate 42 to support the front partition lower plate 42 and the front partition upper plate 41, the front partition support plate 43 located at the front suspension assembly 3 is welded to the front suspension assembly 3 at the same time, and further rigidity improvement and strength enhancement of suspension mounting points are further performed.
Compared with the prior art, the front suspension mounting structure has the advantages that: simple structure, improvement NVH performance, promotion passenger take the travelling comfort, avoid stress concentration's problem, improvement automobile body endurance reliability.
Referring to fig. 7 to 15, a front suspension mounting structure of the present invention may further include: preceding suspension assembly 3 is including hanging body 31 and suspension mounting panel 32, suspension mounting panel 32 the periphery with front wheel casing assembly 2 is fixed, hang the top of body 31 and wear to locate suspension mounting panel 32's centre, extend about reinforcing plate 6 both ends respectively with the left and right sides suspension mounting panel 32 is fixed.
Like this, hang the embedding of mounting panel 32 the top of front wheel casing assembly 2, hang the periphery of mounting panel 32 with 2 welded fastening of front wheel casing assembly, the central point department that hangs mounting panel 32 sets up hangs the mounting point, hang body 31 and include the pillar locator assembly 311 on upper portion and the shock strut assembly 312 of lower part, pillar locator assembly 311 passes hang mounting point and both welded fastening, the shock strut passes pillar locator assembly 311 and both detachable fixed, and then will hang body 31 and be fixed in hang on the mounting panel 32.
Referring to fig. 7 to 15, a front suspension mounting structure of the present invention may further include: the front suspension assembly 3 further comprises a suspension support plate 33, the top end of the suspension support plate 33 is fixed with the front partition assembly 4, and the lower end of the suspension support plate 33 is fixed with the suspension mounting plate 32.
Thus, the top end of the suspension support plate 33 and the front partition assembly 4 have an overlapping portion, the two are welded and fixed at the corresponding position of the overlapping portion, the lower end of the suspension support plate 33 and the suspension mounting plate 32 have an overlapping portion, the two are welded and fixed at the corresponding position of the overlapping portion, the suspension support plate 33 extends from the partition assembly to the suspension mounting plate 32 in an inclined manner, the suspension support plate 33, the partition assembly and the suspension mounting plate 32 are surrounded to form a closed cavity structure, and the support rigidity is added to the suspension body 31 at the inner side of the suspension body 31.
Specifically, the upper end of the suspension support plate 33 is fixed to the dash lower plate 42.
Referring to fig. 7 to 15, a front suspension mounting structure of the present invention may further include: preceding suspension assembly 3 still includes hangs reinforcing plate 34, hang reinforcing plate 34 set up in hang the top of mounting panel 32, hang reinforcing plate 34 preceding baffle assembly 4 with hang the mounting panel 32 three from top to bottom and fix in proper order.
In this way, the dash lower panel 42 of the dash assembly 4 is sandwiched between the suspension mounting panel 32 and the suspension reinforcement panel 34, so that the force applied by the suspension body 31 to the suspension mounting panel 32 can be transmitted to the dash assembly 4 through the suspension reinforcement panel 34, increasing the force transmission path of the suspension mounting point.
Referring to fig. 7 to 15, a front suspension mounting structure of the present invention may further include: the suspension reinforcing plate 34 is provided with at least three fixing points 341 at the mounting point of the suspension body 31 in an equally spaced ring, and screws sequentially penetrate through the suspension mounting plate 32, the front partition assembly 4 and the fixing points 341 from bottom to top.
In this way, the at least three fixing points 341 increase the force application area of the suspension body 31 to the front bulkhead lower plate 42 and the suspension reinforcing plate 34 through the suspension mounting plate 32, so that the force transmission load distribution is more uniform, the rigidity of the front suspension mounting point is improved, and the problem that the single-point fixing point 341 is easy to crack due to stress concentration in the prior art is solved.
Referring to fig. 7 to 15, a front suspension mounting structure of the present invention may further include: the front coaming assembly 5 comprises a coaming body 51, the upper end of the coaming body 51 is fixed with the front baffle assembly 4, the lower end of the coaming body 51 is fixed with the central channel 9, and the left end and the right end of the coaming body 51 are respectively fixed with the front side plates 1 on the left side and the right side.
In this way, the left and right sides of the surrounding plate body 51 are respectively fixed with the front side plate 1 on the left and right sides, the top of the surrounding plate body 51 is fixed with the front clapboard lower plate 42, and the bottom end of the surrounding plate is fixed with the central channel 9, so that the surrounding plate is completely blocked between the passenger compartment and the engine compartment, the noise transmitted from the engine compartment to the passenger compartment is reduced, and the better riding comfort is provided for passengers.
Referring to fig. 7 to 15, a front suspension mounting structure of the present invention may further include: the front wall plate assembly 5 further comprises a wall plate cross beam 52, the wall plate cross beam 52 is fixed with the wall plate body 51 and encloses to form a second cavity 200, and the left end and the right end of the wall plate cross beam 52 are fixed with the front girders 8 on the left side and the right side.
In this way, the shroud cross beam 52 forms a transversely penetrating closed second cavity 200 in the lower portion of the shroud body 51, and the second cavity 200 extends from the left front girder 8 to the right front girder 8, so that the rigidity of the lower portion of the shroud body 51 is increased, and a force transmission path between the left front girder 8 and the right front girder 8 is increased.
Referring to fig. 7 to 15, a front suspension mounting structure of the present invention may further include: the front wall plate assembly 5 further comprises a wall plate longitudinal beam 53, the upper end of the wall plate longitudinal beam 53 is fixed with the wall plate body 51 and the extension reinforcing plate 6, the lower end of the wall plate longitudinal beam 53 is fixed with the wall plate cross beam 52 and the wall plate body 51, and the wall plate longitudinal beam 53 and the wall plate body 51 are enclosed to form a third cavity 300.
Thus, the cross section of the surrounding plate longitudinal beam 53 is in a shape like a Chinese character 'ji', the surrounding plate longitudinal beam 53 provides three faces of the third cavity 300, the surrounding plate body 51 provides one face of the third cavity 300, so as to form the closed third cavity 300, the upper end of the surrounding plate longitudinal beam 53, the surrounding plate body 51 and the extension reinforcing plate 6 are welded and fixed in a three-layer welding mode, the lower end of the surrounding plate longitudinal beam 53, the surrounding plate body 51 and the surrounding plate cross beam 52 are welded and fixed in a three-layer welding mode, the surrounding plate longitudinal beam 53 forms a closed force transmission path between the extension reinforcing plate 6 and the surrounding plate cross beam 52 along the vertical extension direction of the surrounding plate body 51, and further increases the rigidity and the strength of the surrounding plate body 51.
Furthermore, a brake reinforcing plate 55 is welded and fixed to the left portion of the surrounding plate body 51, a mute steel plate 56 is welded and fixed to the right portion of the surrounding plate body 51, the mute steel plate 56 is composed of metal base materials and high polymer damping resin, the left portion of the mute steel plate 56 is welded to the surrounding plate longitudinal beam 53, the upper end of the mute steel plate 56 is welded to the surrounding plate body 51 and the extension reinforcing plate 6 three-layer plate, the lower end of the mute steel plate 56 is welded to the surrounding plate body 51 and the surrounding plate cross beam 52 three-layer plate, the upper end of the brake reinforcing plate 55 is welded to the surrounding plate body 51 and the extension reinforcing plate 6 three-layer plate, and the lower end of the brake reinforcing plate 55 is welded to the surrounding plate body 51 and the surrounding plate cross beam 52 three-layer plate.
Referring to fig. 7 to 15, a front suspension mounting structure of the present invention may further include: the dash panel assembly 5 further comprises a dash panel support beam 54, one end of the dash panel support beam 54 is fixed to the front side panel 1, the other end of the dash panel support beam 54 is fixed to the dash panel cross beam 52 and the front side member 8, and the dash panel support beam 54 and the dash panel body 51 are enclosed to form a fourth cavity 400.
In this way, the cross section of the surrounding plate support beam 54 is in a zigzag structure, the surrounding plate support beam 54 provides three faces of the fourth cavity 400, the surrounding plate body 51 provides one face of the fourth cavity 400, the surrounding plate support beam 54 and the surrounding plate body 51 surround the fourth cavity 400 to form a closed structure, one end of the surrounding plate support beam 54 is fixed to the front side plate 1, and the surrounding plate support beam 54 extends downward from the front side plate 1 to a fixing position of the surrounding plate cross beam 52 and the front side frame 8 along the extending direction of the surrounding plate body 51, and has rigidity to both sides of the lower portion of the surrounding plate body 51.
Further, the coaming support beams 54 and the coaming cross beams 52 are made of a thermal forming material, so that the rigidity and the strength of the front suspension mounting points are further improved.
Referring to fig. 7 to 15, a front suspension mounting structure of the present invention may further include: the front wheel casing assembly 2 comprises a wheel casing outer plate 21, the outer side surface of the wheel casing outer plate 21 is fixed with the front cabin upper edge beam 7 and the front side plate 1, the inner side surface of the wheel casing outer plate 21 is fixed with the front suspension assembly 3, and the top side surface of the wheel casing outer plate 21 is fixed with the front partition plate assembly 4.
Specifically, the wheel house outer panel 21 connects the front cabin roof side rail 7 and the front side panel 1 to the outside, connects the suspension mounting plate 32 to the inside, and connects the front bulkhead lower panel 42 to the top, forming a plurality of force transmission paths, wherein the force applied to one path can be transmitted through other paths.
Further, the front wheel casing assembly 2 further comprises a wheel casing inner plate 22, the wheel casing inner plate 22 and the wheel casing outer plate 21 are welded and fixed to enclose a cylindrical structure, the suspension body 31 penetrates through the cylindrical structure, and the periphery of the suspension mounting plate 32 is welded and fixed to the wheel casing outer plate 21 and the wheel casing inner plate 22 at corresponding positions respectively.
Further, a hinge mounting plate 321 for mounting an engine hood is fixedly arranged on the suspension mounting plate 32, the top end of the hinge mounting plate 321 and the front cabin upper side beam 7 have a horizontal overlapping portion, the hinge mounting plate 321 and the front cabin upper side beam 7 are welded and fixed at a position corresponding to the overlapping portion of the hinge mounting plate 321 and the front bulkhead lower plate 42, the lower end of the hinge mounting plate 321 and the suspension reinforcing plate 34 and the front bulkhead lower plate 42 have an overlapping portion, and the three are fixed in a three-layer manner at a position corresponding to the overlapping portion, so that the hinge mounting plate 321, the front cabin upper side beam 7, the wheel cover outer plate 21 and the front bulkhead lower plate 42 enclose to form a closed fifth cavity 500, the suspension mounting plate 32, the wheel cover outer plate 21 and the front bulkhead lower plate 42 form a closed sixth cavity 600, and the three cavity structures of the fifth cavity 500, the sixth cavity 600 and the first cavity 100 ensure the robustness of the front suspension mounting point structure, High strength and high rigidity, so that the dynamic rigidity of the front suspension mounting point is improved by 30 percent.
The above description is only for the purpose of illustrating a few embodiments of the present invention, and should not be taken as limiting the scope of the present invention, in which equivalent changes, modifications, or scaling up or down, etc. made in accordance with the spirit of the present invention should be considered as falling within the scope of the present invention.
Claims (10)
1. A front suspension mounting structure, comprising:
the front wheel suspension assembly comprises front side plates (1), a front wheel cover assembly (2), a front suspension assembly (3), a front partition plate assembly (4), a front dash plate assembly (5) and an extension reinforcing plate (6), wherein the front side plates are longitudinally arranged on the left side and the right side of a vehicle body;
the front wheel cover assembly (2) is arranged on the inner side of the front side plate (1) and is respectively fixed with the front side plate (1) and the front cabin upper side beam (7), and the lower end of the front wheel cover assembly (2) is fixed with the front girder (8);
the front suspension assembly (3) is embedded into the front wheel cover assembly (2) and is fixed with the front wheel cover assembly (2);
the end part of the front clapboard assembly (4) is respectively fixed with the front cabin upper edge beam (7) and the front wheel cover assembly (2), the front clapboard assembly (4) comprises a front clapboard upper plate (41), a front clapboard lower plate (42) and a front clapboard supporting plate (43), the rear end of the front clapboard upper plate (41) is connected with the front clapboard lower plate (42), and the front clapboard supporting plate (43) is clamped between the front clapboard lower plate (42) and the front clapboard upper plate (41) at intervals along the length direction of the front clapboard lower plate (42);
the front wall assembly (5) is arranged below the front partition plate assembly (4), the upper end of the front wall assembly (5) is fixed with the front partition plate assembly (4), the lower end of the front wall assembly (5) is fixed with the central channel (9), and the left end and the right end of the front wall assembly (5) are respectively fixed with the front side plates (1) on the left side and the right side;
the extension reinforcing plate (6) is arranged below the front partition plate assembly (4), a closed first cavity (100) is formed by enclosing the front partition plate assembly (4) and the front partition plate assembly (5), and the left end and the right end of the extension reinforcing plate (6) are fixed with the front suspension assemblies (3) on the left side and the right side respectively.
2. A front suspension mounting structure as claimed in claim 1, wherein: preceding suspension assembly (3) are including hanging body (31) and suspension mounting panel (32), the periphery that hangs mounting panel (32) with front wheel cover assembly (2) are fixed, wear to locate at the top that hangs body (31) hang the centre of mounting panel (32), extend about reinforcing plate (6) both ends respectively with the left and right sides suspension mounting panel (32) are fixed.
3. A front suspension mounting structure as claimed in claim 2, wherein: preceding suspension assembly (3) still include and hang backup pad (33), hang the top of backup pad (33) with preceding baffle assembly (4) are fixed, hang the lower extreme of backup pad (33) with hang mounting panel (32) and fix.
4. A front suspension mounting structure as claimed in claim 2, wherein: preceding suspension assembly (3) still including hanging reinforcing plate (34), hang reinforcing plate (34) set up in hang the top of mounting panel (32), hang reinforcing plate (34) preceding baffle assembly (4) with it is fixed in proper order from top to bottom to hang mounting panel (32) three.
5. A front suspension mounting structure as claimed in claim 4, wherein: the suspension reinforcing plate (34) is provided with at least three fixing points (341) at the mounting point of the suspension body (31) in an equal-interval ring, and screws sequentially penetrate through the suspension mounting plate (32), the front partition plate assembly (4) and the fixing points (341) from bottom to top.
6. A front suspension mounting structure according to any one of claims 1-5, wherein: the front wall plate assembly (5) comprises a wall plate body (51), the upper end of the wall plate body (51) is fixed with the front partition plate assembly (4), the lower end of the wall plate body (51) is fixed with the central channel (9), and the left end and the right end of the wall plate body (51) are fixed with the front side plates (1) on the left side and the right side respectively.
7. A front suspension mounting structure as claimed in claim 6, wherein: the front wall plate assembly (5) further comprises a wall plate cross beam (52), the wall plate cross beam (52) is fixed with the wall plate body (51) and encloses to form a second cavity (200), and the left end and the right end of the wall plate cross beam (52) are fixed with the front girders (8) on the left side and the right side.
8. A front suspension mounting structure as claimed in claim 7, wherein: the front wall plate assembly (5) further comprises a wall plate longitudinal beam (53), the upper end of the wall plate longitudinal beam (53) is fixed with the wall plate body (51) and the extending reinforcing plate (6), the lower end of the wall plate longitudinal beam (53) is fixed with the wall plate cross beam (52) and the wall plate body (51), and the wall plate longitudinal beam (53) and the wall plate body (51) are enclosed to form a third cavity (300).
9. A front suspension mounting structure as claimed in claim 7, wherein: the front wall plate assembly (5) further comprises a wall plate supporting beam (54), one end of the wall plate supporting beam (54) is fixed with the front side plate (1), the other end of the wall plate supporting beam (54) is fixed with the wall plate cross beam (52) and the front girder (8), and the wall plate supporting beam (54) and the wall plate body (51) are enclosed to form a fourth cavity (400).
10. A front suspension mounting structure according to any one of claims 1-5, wherein: the front wheel casing assembly (2) comprises a wheel casing outer plate (21), the outer side face of the wheel casing outer plate (21) is fixed with the front cabin upper side beam (7) and the front side plate (1), the inner side face of the wheel casing outer plate (21) is fixed with the front suspension assembly (3), and the top side face of the wheel casing outer plate (21) is fixed with the front partition plate assembly (4).
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| CN202110725028.1A CN113386880B (en) | 2021-06-29 | 2021-06-29 | Front suspension mounting structure |
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| CN202110725028.1A CN113386880B (en) | 2021-06-29 | 2021-06-29 | Front suspension mounting structure |
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