CN115593517A - Front longitudinal beam structure integrating auxiliary frame function and front engine room assembly - Google Patents
Front longitudinal beam structure integrating auxiliary frame function and front engine room assembly Download PDFInfo
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- CN115593517A CN115593517A CN202211303542.7A CN202211303542A CN115593517A CN 115593517 A CN115593517 A CN 115593517A CN 202211303542 A CN202211303542 A CN 202211303542A CN 115593517 A CN115593517 A CN 115593517A
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- longitudinal beam
- mounting point
- swing arm
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/02—Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/11—Understructures, i.e. chassis frame on which a vehicle body may be mounted with resilient means for suspension, e.g. of wheels or engine; sub-frames for mounting engine or suspensions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/15—Understructures, i.e. chassis frame on which a vehicle body may be mounted having impact absorbing means, e.g. a frame designed to permanently or temporarily change shape or dimension upon impact with another body
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- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention provides a front longitudinal beam structure integrating the function of an auxiliary frame and a front engine room assembly, wherein the front longitudinal beam structure is symmetrically arranged along the X0 axis of a coordinate system of a whole vehicle, and the front longitudinal beam structure comprises the following components: a longitudinal beam and a torsion box; the longitudinal beam is a square body, one end of the longitudinal beam is connected with the torque box, and the Y is provided with reinforcing ribs towards the inner side and the outer side; the front longitudinal beam structure is provided with a front suspension upper swing arm mounting point, a front suspension lower swing arm mounting point, a front shock absorber mounting point and a power assembly mounting point; the mounting point of the upper swing arm of the front suspension is arranged at the top of the outer side of the front longitudinal beam structure, the mounting point of the lower swing arm of the front suspension is arranged at the bottom of the longitudinal beam, the mounting point of the front shock absorber is arranged at the X negative direction adjacent part of the mounting point of the upper swing arm of the front suspension, and the mounting point of the power assembly is arranged at the inner side of the longitudinal beam. Through the front longitudinal beam structure and the front engine room assembly provided by the invention, the structural strength of the front longitudinal beam is improved, the mounting points of the original auxiliary frame can be integrated, the number of parts is reduced, and the weight and the manufacturing cost of the whole vehicle are reduced.
Description
Technical Field
The invention relates to the field of automobile design and manufacture, in particular to a front longitudinal beam structure integrating auxiliary frame functions and a front engine room assembly.
Background
With the progress of the times, automobiles have become important vehicles in daily life. In the component parts of the automobile, the subframe can be regarded as a framework of the axle and is a component part of the axle. The auxiliary frame is not a complete frame, but only supports the axle and the suspension, so that the axle and the suspension are connected with the 'front frame' through the auxiliary frame, and the auxiliary frame has the functions of isolating vibration and noise and reducing the direct entering of the auxiliary frame into a carriage. The suspension of a conventional vehicle body without subframe is directly connected to the steel sheet of the vehicle body. The suspension rocker mechanisms of the axles are therefore all separate parts, not assemblies. After the subframe is formed, the suspension may be assembled to the subframe to form a front subframe assembly, which is then mounted to the vehicle body. The front engine room frame structure is an important component of the vehicle body frame, and plays roles of absorbing energy, transmitting energy, providing sufficient rigidity for the vehicle body frame and the like in collision while bearing parts in various fields in the front engine room. In the conventional art, the front subframe and the front nacelle frame structure are independent from each other and are bolted together. The front auxiliary frame mainly bears the mounting functions of a front suspension system, a power assembly and a steering system and provides performance assistance for the vehicle body, and functionally, the front auxiliary frame and the front cabin frame structure are mutually independent, so that structural redundancy is high, and the weight and the manufacturing cost of the whole vehicle are high. Through the integrated to the front longitudinal of mounting structure with former sub vehicle frame, can cancel arranging of sub vehicle frame, in order to simplify preceding cabin structure, but along with the mounting structure of former sub vehicle frame of front longitudinal increase, the improvement of front longitudinal integration degree, make the intensity demand greatly increased of front longitudinal, current front longitudinal structural design is not enough to bear former sub vehicle frame mounting point simultaneously and arranges, need to develop the integrated front longitudinal structure of a high strength urgent, in order to satisfy the intensity demand behind the integrated sub vehicle frame mounting structure of front longitudinal.
The present invention has been made in view of the above problems.
Disclosure of Invention
The invention provides a front longitudinal beam structure integrating auxiliary frame functions and an automobile, and aims to solve the problems that in the prior art, a front auxiliary frame structure and a front cabin structure are independent to each other, so that structural redundancy is caused, the weight of the whole automobile is large, and the manufacturing cost is high.
In view of the above, the invention provides a front longitudinal beam structure integrating the function of an auxiliary frame, which integrates the mounting functions of the front auxiliary frame on a front suspension system, a power assembly and a steering system in the prior art into the front longitudinal beam structure, so that the number of parts of the whole vehicle is greatly reduced, and the weight and the manufacturing cost of the whole vehicle are reduced. In another aspect, the present invention provides a front cabin assembly, wherein the front longitudinal beam structure is arranged on the front cabin assembly, so that the front cabin assembly can meet the installation functions of a front suspension system, a power assembly and a steering system without arranging a sub-frame.
In a first aspect, the present application provides a front longitudinal beam structure of integrated sub vehicle frame function at first, along the X0 axisymmetric arrangement of whole car coordinate system, include:
a longitudinal beam and a torsion box;
the longitudinal beam is a square body, one end of the longitudinal beam is connected with the torsion box, and reinforcing ribs are arranged on the inner side and the outer side of the Y, so that the load resistance strength of the front longitudinal beam structure is improved;
the front longitudinal beam structure is provided with a front suspension upper swing arm mounting point, a front suspension lower swing arm mounting point, a front shock absorber mounting point and a power assembly mounting point;
the front suspension upper swing arm mounting point is arranged at the top of the outer side of the front longitudinal beam structure, the front suspension lower swing arm mounting point is arranged at the bottom of the longitudinal beam, the front shock absorber mounting point is arranged at the X negative direction adjacent part of the front suspension upper swing arm mounting point, and the power assembly mounting point is arranged at the inner side of the longitudinal beam.
In the optional scheme of the application, the longitudinal beam is made of an aluminum alloy material 6082-T6, the thickness of the longitudinal beam is not less than 3mm, the thickness of the side wall of the longitudinal beam is 4mm-7mm, the width of the reinforcing rib is 3mm-6mm, and the thickness of each mounting point of the longitudinal beam is larger than that of the longitudinal beam.
In the optional scheme of this application, in the longeron, the one end that links to each other with the torsion box is provided with first extension, and the bottom design of first extension has Z to the recess, supplies the steering structure of car to arrange, and the screw hole has been arranged to the lateral part of first extension to supply the torsion box to connect.
In this application optional scheme, among the torsion box, the outside of the one end that links to each other with the longeron is provided with first mounting hole, and wherein the inner wall of first mounting hole is provided with the screw hole for the swing arm installation on the front suspension of cooperation longeron in order to supply the car.
In this application optional scheme, the longeron is provided with horizontal muscle and indulges the muscle, horizontal muscle with indulge muscle cross distribution, the strengthening rib with horizontal muscle and indulge the muscle and overlap to strengthen the anti load strength of longeron jointly.
In this application optional scheme, the upper swing arm mounting point of front suspension includes swing arm mounting point and the upper swing arm mounting point of second on first, and the setting of swing arm mounting point is gone up at the vertical muscle of longeron in first, and the setting of swing arm mounting point is gone up at the first mounting hole of torsion box in the second.
In the optional scheme of this application, the longeron is provided with the transmission shaft via hole, arranges the Z of swing arm mounting point on first negatively for the transmission shaft that supplies the car passes, the installation of adaptation car transmission shaft.
In the optional scheme of this application, the both ends of longeron bottom are provided with second extension and third extension, and the extension of second extension and third extension is the same, and second extension and third extension are provided with the second mounting hole, and the swing arm mounting point is arranged at second extension and third extension under the front suspension.
In this application optional scheme, the inboard of longeron is provided with the fourth extension, and the fourth extension is triangle cyclic annular, and the triangle tip of fourth extension is provided with the third mounting hole, and the central point of fourth extension is provided with the fourth mounting hole, and the power assembly mounting point arranges in the fourth extension.
In the optional scheme of this application, the fourth extension position Z forward of longeron still is provided with first crossbeam tie point for connect the preceding entablature of car, and the second extension aligns with fourth extension Z to having arranged the second crossbeam tie point, is used for connecting the preceding bottom end rail of car, and the third crossbeam tie point has been arranged to the third extension for connect the rear suspension installation crossbeam of car.
In this application optional scheme, the outside top of longeron is provided with the fifth extension, and the fifth extension is the platelike body of symmetry, and the platelike body has arranged the fifth mounting hole, and preceding bumper shock absorber mounting point arranges in the fifth extension.
In this application optional scheme, a plurality of sixth mounting holes have been arranged to the longeron one end of keeping away from the torsion box for connect the preceding crashproof roof beam module of car.
In the second aspect of the application, still provide a preceding cabin assembly, include as above the front longitudinal structure, still include preceding entablature, preceding bounding wall crossbeam, preceding bottom end rail and rear suspension installation crossbeam, preceding entablature, preceding bounding wall crossbeam, preceding bottom end rail and rear suspension installation crossbeam are connected between symmetrical arrangement's front longitudinal structure.
The application also provides an automobile comprising the front engine room assembly.
In conclusion, the application provides a front longitudinal beam structure and front cabin assembly of integrated sub vehicle frame function, through design strengthening rib to the inboard and outside at longeron Y, in order to improve the anti load capacity of front longitudinal beam structure, swing arm mounting point on the front suspension is arranged to the front longitudinal beam structure, swing arm mounting point under the front suspension, front shock absorber mounting point and power assembly mounting point, to front longitudinal beam structure optimal design, make the intensity of front longitudinal beam structure can bear the arrangement of front suspension system, power assembly and a steering system's mounting point simultaneously, front cabin assembly height is integrated, no longer rely on front sub vehicle frame installation front suspension system, power assembly and steering system, the part quantity of whole car significantly reduces, whole car weight and manufacturing cost have been reduced.
Additional features and advantages of embodiments of the invention will be described in the detailed description which follows.
Description of the drawings:
in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural view of a prior art pre-cabin module provided by way of example in an embodiment of the present invention;
fig. 2 is a schematic view of an installation structure of a front side member structure provided by way of example in an embodiment of the invention;
FIG. 3 is a schematic structural diagram of a front longitudinal beam structure connecting chassis accessory exemplarily provided in the embodiment of the invention;
fig. 4a is a schematic arrangement diagram of reinforcing bars exemplarily provided in the embodiment of the present invention;
fig. 4b is a schematic arrangement diagram of reinforcing bars exemplarily provided in the embodiment of the present invention;
fig. 4c is a schematic arrangement diagram of reinforcing bars exemplarily provided in the embodiment of the present invention;
fig. 5 is an overall structural schematic view of a stringer exemplarily provided in the embodiment of the present invention;
FIG. 6 is a schematic view of a mounting structure of an exemplary chassis accessory provided in an embodiment of the present invention;
fig. 7 is a schematic overall structure diagram of a front nacelle assembly exemplarily provided in the embodiment of the present invention.
In the above figures, the list of parts represented by the various reference numerals is as follows:
100. a front longitudinal beam structure; 10. A longitudinal beam;
101. a swing arm mounting point on the front suspension; 102. A front suspension lower swing arm mounting point;
103. a front shock absorber mounting point; 104. A powertrain mounting point;
301. a front shock absorber; 302. A front suspension lower swing arm;
303. an upper swing arm of the front suspension; 304. A knuckle;
3011. a pin member; 11. A first extension portion;
111. a recess; 40. A threaded hole;
22. a first mounting hole; 21. Reinforcing ribs;
12. transverse ribs; 13. Longitudinal ribs;
1011. a first upper swing arm mounting point; 1012. A second upper swing arm mounting point;
23. a groove part; 14. A transmission shaft through hole;
15. a second extension portion; 16. A third extension portion;
151. a second mounting hole; 17. A fourth extension portion;
1041. a third mounting hole; 1042. A fourth mounting hole;
110. a first beam connection point; 120. A second beam connection point;
130. a third beam connection point; 18. A fifth extension portion;
181. a fifth mounting hole; 19. A sixth mounting hole;
1000. a front nacelle assembly; 1001. A front upper cross beam;
1002. a cowl cross member; 1003. A front lower cross beam;
1004. a beam is installed on the rear suspension; 20. A torque box;
105. and (5) reinforcing ribs.
The specific implementation mode is as follows:
in order to make the above and other features and advantages of the present invention more apparent, the present invention is further described below with reference to the accompanying drawings. It is understood that the specific embodiments described herein are for purposes of illustration only and are not intended to be limiting.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly specified otherwise.
It should be noted that the coordinate descriptions in the "X direction, Y direction, Z direction" and the like mentioned in the description of the present invention are explained with reference to the coordinate system of the entire vehicle, that is, the straight line where the direction of the vehicle head is located is the X direction, the axial direction of the front wheel is the Y direction, and the direction perpendicular to the ground is the Z direction, where the positive X direction is the vehicle tail direction, the negative X direction is the vehicle head direction, the direction perpendicular to the ground is the positive Z direction, and the direction perpendicular to the ground is the negative Z direction.
The general idea of this embodiment provides a front longitudinal beam structure 100 and front cabin assembly 1000 of integrated sub vehicle frame function promptly, through carrying out optimal design to front longitudinal beam structure 100, integrates the installation function of traditional front sub vehicle frame to front suspension system, power assembly and a steering system in front longitudinal beam structure 100, aims at solving prior art, and front sub vehicle frame structure and front cabin structure are independent each other, lead to the structure redundancy for the weight of whole car is great, makes the higher problem of cost.
Referring to fig. 2 to 7, in an embodiment of the present invention, a front longitudinal beam structure 100 integrated with a subframe function is symmetrically arranged along an X0 axis of a coordinate system of a whole vehicle, and includes:
the longitudinal beam 10 and the torsion box 20;
the longitudinal beam 10 is a square body, one end of the longitudinal beam 10 is connected with the torque box 20, and reinforcing ribs 105 are arranged on the inner side and the outer side of the longitudinal beam 10Y to improve the load resistance of the front longitudinal beam structure 100;
a front suspension upper swing arm mounting point 101, a front suspension lower swing arm mounting point 102, a front shock absorber mounting point 103 and a power assembly mounting point 104 are arranged on the front longitudinal beam structure 100 so as to mount a front suspension upper swing arm 303, a front suspension lower swing arm 302, a front shock absorber 301 and a power assembly;
wherein, a front suspension upper swing arm mounting point 101 is arranged at the top of the outer side of the front longitudinal beam structure 100, a front suspension lower swing arm mounting point 102 is arranged at the bottom of the longitudinal beam 10, a front shock absorber mounting point 103 is arranged at the adjacent part of the X direction of the front suspension upper swing arm mounting point 101,
the powertrain mounting point 104 is disposed on the inner side of the side member 10.
In one general concept of the present invention, the front longitudinal beam structure 100 is divided into two major components, namely a longitudinal beam 10 and a torque box 20, the longitudinal beam 10Y is provided with reinforcing ribs 105 on the inner side and the outer side to improve the load-resisting strength of the front longitudinal beam structure 100, wherein the longitudinal beam 10 is provided with a power assembly mounting point 104 to adapt to the mounting of the power assembly; the longitudinal beam 10 is provided with a front shock absorber mounting point 103 and a front suspension lower swing arm mounting point 102, the torsion box 20 and the longitudinal beam 10 are provided with a front suspension upper swing arm mounting point 101 so as to adapt to the mounting of a front shock absorber 301, a front suspension lower swing arm 302 and a front suspension upper swing arm 303 in an automobile front suspension system, and a steering knuckle 304 is connected between the front suspension lower swing arm 302 and the front suspension upper swing arm 303. Through the lateral wall design strengthening rib 105 to longeron 10, integrate traditional front auxiliary frame's function to front longitudinal structure 100 for front longitudinal structure 100 has the function of lug connection power assembly, front suspension system and steering structure simultaneously except connecting the crossbeam, and front longitudinal structure 100 intensity is strengthened, can satisfy the intensity demand of integrated sub vehicle frame, has reduced part quantity, thereby has reduced whole car weight and manufacturing cost.
Each structure is explained in detail below.
The utility model provides a front longitudinal beam structure 100 of integrated sub vehicle frame function, along the X0 axisymmetric arrangement of whole car coordinate system, includes: the longitudinal beam 10 is a square body, and one end of the longitudinal beam 10 is connected with the torsion box 20; a front suspension upper swing arm mounting point 101, a front suspension lower swing arm mounting point 102, a front shock absorber mounting point 103 and a power assembly mounting point 104 are arranged on the front longitudinal beam structure 100, so that a front suspension upper swing arm 303, a front suspension lower swing arm 302, a front shock absorber 301 and a power assembly are mounted; wherein, the upper swing arm 303 of the front suspension adopts two-point connection and is arranged at the top of the outer side of the front longitudinal beam structure 100; the front suspension lower swing arm 302 is connected by two points, and a mounting point 102 of the front suspension lower swing arm is arranged at the bottom of the longitudinal beam 10; the upper swing arm 303 of the front suspension is connected with the lower swing arm 302 of the front suspension through a steering joint, and the steering joint 304 is used for bearing the front load of the automobile, supporting and driving the front wheels to rotate around the main pin so as to steer the automobile. The front shock absorber mounting point 103 is arranged at the X-direction adjacent part of the front suspension upper swing arm mounting point 101, and is fixed by a pin 3011; the powertrain mounting point 104 is disposed on the inner side of the side member 10. Through the design of front longitudinal structure 100 for front longitudinal structure 100 is keeping traditional front longitudinal and is connecting the crossbeam in the function of undertaking the load, and front longitudinal structure 100 intensity is strengthened, can satisfy the intensity demand of integrated sub vehicle frame, and power assembly, front suspension system and the function that turns to the structure are connected to integrated traditional front sub vehicle frame, makes the part quantity greatly reduced of whole car, has reduced the manufacturing cost of car and the weight of whole car.
In the preferred scheme of the embodiment, the longitudinal beam 10 is made of an aluminum alloy material 6082-T6, the thickness of the longitudinal beam 10 is not less than 3mm, and the thickness of the side wall of the longitudinal beam 10 is 4mm-7mm; the reinforcing ribs 105 are arranged in a staggered mode, and the width of the reinforcing ribs is 3mm-6mm; the thickness of the longitudinal beam 10 is larger than that of the longitudinal beam 10 at the mounting point position.
It is to be noted that the aluminum alloy material 6082-T6 adopts the GB/T3190-1996 standard definition, has high strength and machinability, and can meet the strength requirement of the longitudinal beam 10. The longitudinal beam 10 is made of aluminum alloy 6082-T6 and the thickness of each part of the longitudinal beam 10 is designed, so that the load resistance strength of the longitudinal beam 10 is improved, and meanwhile, lightening holes can be added to non-mounting holes and non-stressed parts, so that the whole vehicle is light in weight.
Referring to fig. 4a to 4c, three arrangements of the reinforcing ribs 105 are illustrated, and the reinforcing ribs 105 may be arranged on the side walls of the longitudinal beam 10 in a rectangular shape, a rhombic shape, a regular triangular shape, a regular hexagonal shape, or the like.
Further, in the longitudinal beam 10, one end connected with the torque box 20 is provided with a first extension portion 11, a bottom portion of the first extension portion 11 is designed with a Z-direction concave portion 111 for arrangement of a steering structure of the automobile, and a side portion of the first extension portion 11 is arranged with a threaded hole 40 for connection of the torque box 20.
In an optional scheme of this embodiment, in the longitudinal beam 10, one end connected to the torque box 20 is provided with a first extension portion 11, and the first extension portion 11 is provided with four threaded holes 40 for screwing the torque box 20; the bottom of the first extension 11 is designed with a Z-directed recess 111, which can be arranged for a steering rod of a motor vehicle. By the design of the first extension 11, the connection problem between the longitudinal beam 10 and the torsion box 20 is solved.
Further, in the torque box 20, a first mounting hole 22 is provided on an outer side of an end connected to the longitudinal beam 10, wherein a threaded hole 40 is provided on an inner wall of the first mounting hole 22 for fitting the longitudinal beam 10 to mount the upper swing arm 303 of the front suspension of the automobile.
In an optional scheme of this embodiment, a first mounting hole 22 is formed in an outer side of one end, connected to the longitudinal beam 10, of the torque box 20, a threaded hole 40 is formed in an inner wall of the first mounting hole 22, the first mounting hole 22 is located in a Z direction of the first extension portion 11 after the longitudinal beam 10 is connected to the torque box 20, and is used for being matched with the longitudinal beam 10 to connect an upper swing arm of a front suspension of an automobile, wherein one end of the torque box 20 extends outward, and a plurality of crossed reinforcing ribs 21 can be further designed on a plate extending from the torque box 20 to further enhance the load resistance of the torque box 20, so that a floor structure of the automobile is protected.
Further, the longitudinal beam 10 is provided with a transverse rib 12 and a longitudinal rib 13, the transverse rib 12 and the longitudinal rib 13 are distributed in a crossed manner, and the reinforcing rib 105 is overlapped with the transverse rib 12 and the longitudinal rib 13 to jointly reinforce the load-resisting strength of the longitudinal beam 10.
In the optional scheme of this embodiment, horizontal muscle 12 and vertical muscle 13 have been arranged to longeron 10, and horizontal muscle 12 and vertical cross distribution of vertical muscle 13 make the inside of longeron 10 be honeycomb to strengthen longeron 10's anti-load strength, when the front anti-collision beam structure of car suffered the striking, dispersion load that can be better.
Further, the front suspension upper swing arm mounting point 101 includes a first upper swing arm mounting point 1011 and a second upper swing arm mounting point 1012, the first upper swing arm mounting point 1011 is disposed on the longitudinal rib 13 of the longitudinal beam 10, and the second upper swing arm mounting point 1012 is disposed on the first mounting hole 22 of the torque box 20.
In an optional scheme of this embodiment, the upper swing arm mounting point 101 of the front suspension is arranged in two points, and includes a first upper swing arm mounting point 1011 and a second upper swing arm mounting point 1012, the first upper swing arm mounting point 1011 is disposed on the longitudinal rib 13 of the longitudinal beam 10, that is, a threaded through hole is disposed on a side wall of the longitudinal rib 13, the second upper swing arm mounting point 1012 is disposed on the first mounting hole 22 of the torsion box 20, and a slot portion 23 may be further disposed on one side of the first mounting hole 22, where the threaded hole 40 is formed, so that the second upper swing arm mounting point 1012 can be conveniently operated when being connected with the upper swing arm 303 of the front suspension of the automobile.
Further, the longitudinal beam 10 is provided with a transmission shaft through hole 14, and the transmission shaft through hole is arranged in the negative Z direction of the first upper swing arm mounting point 1011 and is used for a transmission shaft of an automobile to penetrate through so as to be adapted to the installation of the transmission shaft of the automobile.
In the optional scheme of this embodiment, longeron 10 is provided with transmission shaft via hole 14, arranges in the Z negative direction of first upper swing arm mounting point 1011, for a square hole, and the size can be adjusted according to the demand of transmission shaft to the transmission shaft that supplies the car passes, the installation of adaptation car transmission shaft. Through the design of the transmission shaft through hole 14, the arrangement requirement of the transmission shaft of the automobile is met, and the adaptability of the front longitudinal beam structure 100 is improved.
Further, a second extension portion 15 and a third extension portion 16 are arranged at two ends of the bottom of the longitudinal beam 10, the extension degrees of the second extension portion 15 and the third extension portion 16 are the same, a second mounting hole 151 is arranged in the second extension portion 15 and the third extension portion 16, and the front suspension lower swing arm mounting point 102 is arranged in the second extension portion 15 and the third extension portion 16.
In an optional solution of this embodiment, a second extending portion 15 and a third extending portion 16 are disposed at two ends of the bottom of the longitudinal beam 10, the second extending portion 15 and the third extending portion 16 have the same extension degree in the negative Z direction, the second extending portion 15 and the third extending portion 16 are provided with a second mounting hole 151, the second mounting hole 151 is a through hole in the second extending portion 15 and the third extending portion 16, and the front suspension lower swing arm mounting point 102 is disposed at two points and is screwed with the second mounting hole 151 of the second extending portion 15 and the third extending portion 16 through a bolt. Through the design of the second extension portion 15 and the third extension portion 16, the connection problem of the lower swing arm of the front suspension in the front suspension system of the automobile is solved, so that the lower swing arm of the front suspension can be connected with the front longitudinal beam structure 100 through the second extension portion 15 and the third extension portion 16.
Further, a fourth extending portion 17 is disposed on the inner side of the longitudinal beam 10, the fourth extending portion 17 is in a triangular ring shape, a third mounting hole 1041 is disposed at a triangular end of the fourth extending portion 17, a fourth mounting hole 1042 is disposed at a center point of the fourth extending portion 17, and the powertrain mounting point 104 is disposed on the fourth extending portion 17.
In an optional scheme of this embodiment, a fourth extending portion 17 is disposed on the inner side of the longitudinal beam 10, and is disposed in the Z-direction of the second extending portion 15, the fourth extending portion 17 is in a triangular ring shape, third mounting holes 1041 are disposed at each corner of the triangular ring, a fourth mounting hole 1042 is disposed at a central point of the fourth extending portion 17, and the fourth mounting hole 1042 is disposed at a non-extended position of the triangular ring central longitudinal beam 10, and provides a mounting point for the power assembly through cooperation of the third mounting hole 1041 and the fourth mounting hole 1042. Through the design of the fourth extension part 17, the connection requirement on the front longitudinal beam structure 100 when the power assembly of the automobile is connected is met, and the functions of the front longitudinal beam structure 100 are further integrated.
Further, the fourth extension 17 of the longitudinal beam 10 is further provided with a first beam connection point 110 in the Z-direction for connecting with a front upper beam 1001 of the automobile, the second extension 15 is aligned with the fourth extension 17 in the Z-direction, a second beam connection point 120 is arranged for connecting with a front lower beam 1003 of the automobile, and the third extension 16 is arranged with a third beam connection point 130 for connecting with a rear suspension mounting beam 1004 of the automobile.
In an optional scheme of this embodiment, a first cross beam connection point 110 is further provided at a position Z of the fourth extending portion 17 of the longitudinal beam 10 in the forward direction, and a threaded hole 40 is provided for a plate extending to the inner side to connect with a front upper cross beam 1001 of the automobile; the second extension part 15 is aligned with the fourth extension part 17 in the Z direction, the second extension part 15 is provided with a second beam connecting point 120, the second extension part 15 can further extend towards the inner side, a plate is arranged at the further extending part, and a threaded hole 40 is formed in the further extending part to connect a front lower beam 1003 of the automobile; the third extension 16 is arranged with a third beam connection point 130, disposed on the side of the third extension 16 near the torsion box 20, for connecting to a rear suspension mounting beam 1004 of the vehicle. Through the structural design of the first beam connection point 110, the second beam connection point 120 and the third beam connection point 130, the connection requirements of a front lower beam 1003, a front lower beam 1003 and a rear suspension installation beam 1004 of an automobile are met, and the functions of the front cabin assembly 1000 are further simplified and integrated.
Further, a fifth extending portion 18 is arranged on the top of the outer side of the longitudinal beam 10, the fifth extending portion 18 is a symmetrical plate-shaped body, a fifth mounting hole 181 is arranged on the plate-shaped body, and a front shock absorber mounting point 103 is arranged on the fifth extending portion 18.
In an alternative solution of this embodiment, the top of the outer side of the longitudinal beam 10 is provided with a fifth extending portion 18, the fifth extending portion 18 is a symmetrical longitudinally arranged plate-shaped body, the plate-shaped body is provided with a fifth mounting hole 181, and the front shock absorber mounting point 103 is arranged on the fifth extending portion 18 and connected between the plate-shaped bodies through a pin 3011. The mounting problem of the front shock absorber 301 in the front suspension system of the automobile is solved by the design of the fifth extension 18.
Furthermore, a plurality of sixth mounting holes 19 are arranged at an end of the longitudinal beam 10 remote from the torsion box 20, and are used for connecting a front impact beam module of the automobile.
In an optional scheme of this embodiment, a plurality of sixth mounting holes 19 are arranged at one end of the longitudinal beam 10 away from the torque box 20, and may be connected with a front anti-collision beam module of an automobile through bolts, and the problem of connection of the front anti-collision beam module of the automobile is solved by the design of the sixth mounting holes 19.
The embodiment of the invention further provides a front cabin assembly 1000, which comprises the front longitudinal beam structure 100 as described above, and further comprises a front upper beam 1001, a front panel beam 1002, a front lower beam 1003 and a rear suspension mounting beam 1004, wherein the front upper beam 1001, the front panel beam 1002, the front lower beam 1003 and the rear suspension mounting beam 1004 are connected between the front longitudinal beam structures 100 which are symmetrically arranged.
In an alternative of this embodiment, the front nacelle assembly 1000 includes the front longitudinal beam structure 100, and further includes a front upper cross beam 1001, a front cowl cross beam 1002, a front lower cross beam 1003, and a rear suspension mounting cross beam 1004, the front upper cross beam 1001 is connected to the first cross beam connection point 110 inside the longitudinal beam 10, the front lower cross beam 1003 is connected to the second cross beam connection point 120 of the second extension 15 inside the longitudinal beam 10, the rear suspension mounting cross beam 1004 is connected to the third cross beam connection point 130 of the third extension 16 of the longitudinal beam 10, and the front cowl cross beam 1002 is connected between the symmetrically arranged torsion boxes 20. Through arranging front longitudinal beam structure 100 in preceding cabin assembly 1000 for the preceding cabin module of car no longer need arrange preceding sub vehicle frame, can satisfy and connect front suspension system, power assembly and the function that turns to the structure, and the design of preceding entablature 1001, preceding bounding wall crossbeam 1002, preceding bottom end rail 1003 and back suspension installation crossbeam 1004 makes preceding cabin assembly 1000 further highly integrated, with the more motorcycle types of adaptation.
Embodiments of the present invention also provide an automobile (not shown) including a front cabin assembly 1000 as described above.
It should be understood by those skilled in the art that, if the front longitudinal beam structure 100 and the front cabin assembly 1000 integrating the subframe function provided by the embodiment of the present invention are combined and replaced by combining, simply changing, mutually changing, etc. all or part of the sub-modules involved in the invention, such as the placement and moving positions of the components; or the products formed by the components are integrally arranged; or a detachable design; it is within the scope of the present invention to replace the corresponding components of the present invention with such a device/apparatus/system.
In the present invention, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being permanently connected, detachably connected, or integral; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
In summary, according to the front longitudinal beam structure 100 and the front cabin assembly 1000 integrating the subframe function provided by the application, the strength of the front longitudinal beam structure 100 is strengthened, and the strength requirement of an integrated subframe can be met, the reinforcing ribs 105 are designed on the inner side and the outer side of the Y of the longitudinal beam 10 to improve the load resistance of the front longitudinal beam structure 100, the front longitudinal beam structure 100 is provided with the front suspension upper swing arm mounting point 101, the front suspension lower swing arm mounting point 102, the front shock absorber mounting point 103 and the power assembly mounting point 104, the front longitudinal beam structure 100 is optimally designed, so that the strength of the front longitudinal beam structure 100 can simultaneously bear the arrangement of the mounting points of a front suspension system, a power assembly and a steering system, the front cabin assembly 1000 is highly integrated, the front sub-frame is not required to be used for installing the front suspension system, the power assembly and the steering system, the number of parts of the whole vehicle is greatly reduced, and the weight of the whole vehicle and the manufacturing cost are reduced.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (13)
1. The utility model provides a front longitudinal structure of integrated sub vehicle frame function, along the X0 axisymmetric of whole car coordinate system arranges which characterized in that includes:
a longitudinal beam and a torsion box;
the longitudinal beam is a square body, one end of the longitudinal beam is connected with the torque box, and reinforcing ribs are arranged on the inner side and the outer side of the Y, so that the load resistance strength of the front longitudinal beam structure is improved;
the front longitudinal beam structure is provided with a front suspension upper swing arm mounting point, a front suspension lower swing arm mounting point, a front shock absorber mounting point and a power assembly mounting point;
the front suspension upper swing arm mounting point is arranged at the top of the outer side of the front longitudinal beam structure, the front suspension lower swing arm mounting point is arranged at the bottom of the longitudinal beam, the front shock absorber mounting point is arranged at the X-direction adjacent part of the front suspension upper swing arm mounting point, and the power assembly mounting point is arranged at the inner side of the longitudinal beam.
2. The front longitudinal beam structure of claim 1, wherein the longitudinal beam is made of an aluminum alloy material 6082-T6, the thickness of the longitudinal beam is not less than 3mm, and the thickness of the side wall of the longitudinal beam is 4mm-7mm; the reinforcing ribs are arranged in a staggered mode, and the width of the reinforcing ribs is 3-6 mm; the thickness of each mounting point of the longitudinal beam is larger than that of the longitudinal beam.
3. The front longitudinal beam structure of claim 1, wherein a first extension portion is arranged at one end of the longitudinal beam connected with the torsion box, a Z-direction recess is designed at the bottom of the first extension portion and used for arranging a steering structure of an automobile, and a threaded hole is arranged at the side of the first extension portion and used for connecting the torsion box.
4. The front longitudinal beam structure of claim 1, wherein the torsion box is provided with a first mounting hole at the outer side of one end connected with the longitudinal beam, and the inner wall of the first mounting hole is provided with a threaded hole for matching with the longitudinal beam for installing a swing arm on a front suspension of an automobile.
5. The front side member structure of claim 4, wherein the longitudinal member is provided with a transverse rib and a longitudinal rib, the transverse rib and the longitudinal rib are distributed across each other, and the reinforcing rib overlaps with the transverse rib and the longitudinal rib to jointly reinforce the load resistance of the longitudinal member.
6. The front side member structure according to claim 5, wherein the front suspension upper swing arm mounting point includes a first upper swing arm mounting point provided at a longitudinal rib of the side member and a second upper swing arm mounting point provided at the first mounting hole of the torsion box.
7. The front longitudinal beam structure according to claim 6, wherein the longitudinal beam is provided with a transmission shaft through hole which is arranged in the Z direction of the first upper swing arm mounting point and is used for a transmission shaft of an automobile to pass through and adapt to the installation of the transmission shaft of the automobile.
8. The front longitudinal beam structure according to claim 1, wherein a second extension portion and a third extension portion are provided at both ends of the longitudinal beam bottom portion, the second extension portion and the third extension portion have the same extension degree, the second extension portion and the third extension portion are provided with second mounting holes, and the front suspension lower swing arm mounting points are disposed at the second extension portion and the third extension portion.
9. The front side member structure according to claim 8, wherein the inner side of the side member is provided with a fourth extension portion, the fourth extension portion has a triangular ring shape, a triangular end portion of the fourth extension portion is provided with a third mounting hole, a center point of the fourth extension portion is provided with a fourth mounting hole, and the powertrain mounting point is arranged in the fourth extension portion.
10. The front rail structure of claim 9, wherein the fourth extension position Z of the rail is further provided with a first beam attachment point for attaching to a front upper beam of the vehicle, the second extension Z-aligned with the fourth extension, a second beam attachment point arranged for attaching to a front lower beam of the vehicle, and a third beam attachment point arranged for attaching to a rear suspension mounting beam of the vehicle.
11. The front side member structure according to claim 1, wherein a fifth extension portion is provided at an outer top portion of the side member, the fifth extension portion is a symmetrical plate-like body, the plate-like body is provided with a fifth mounting hole, and the front shock absorber mounting point is provided at the fifth extension portion.
12. The front longitudinal beam structure according to claim 1, wherein a plurality of sixth mounting holes are arranged at one end of the longitudinal beam far away from the torsion box, and are used for connecting a front anti-collision beam module of an automobile.
13. A front nacelle assembly comprising a front side member structure according to any one of claims 1 to 12, and further comprising a front upper cross member, a front cowl cross member, a front lower cross member, and a rear suspension mounting cross member, wherein the front upper cross member, the front cowl cross member, the front lower cross member, and the rear suspension mounting cross member are connected between the front side member structure in a symmetrical arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211303542.7A CN115593517A (en) | 2022-10-24 | 2022-10-24 | Front longitudinal beam structure integrating auxiliary frame function and front engine room assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211303542.7A CN115593517A (en) | 2022-10-24 | 2022-10-24 | Front longitudinal beam structure integrating auxiliary frame function and front engine room assembly |
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| Publication Number | Publication Date |
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| CN115593517A true CN115593517A (en) | 2023-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211303542.7A Pending CN115593517A (en) | 2022-10-24 | 2022-10-24 | Front longitudinal beam structure integrating auxiliary frame function and front engine room assembly |
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| CN (1) | CN115593517A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116812006A (en) * | 2023-08-28 | 2023-09-29 | 宁德时代新能源科技股份有限公司 | Frame, chassis and vehicle |
-
2022
- 2022-10-24 CN CN202211303542.7A patent/CN115593517A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116812006A (en) * | 2023-08-28 | 2023-09-29 | 宁德时代新能源科技股份有限公司 | Frame, chassis and vehicle |
| CN116812006B (en) * | 2023-08-28 | 2023-11-21 | 宁德时代新能源科技股份有限公司 | Frame, chassis and vehicle |
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