CN109131564B - Aluminum alloy automobile chassis hard spot system and automobile - Google Patents
Aluminum alloy automobile chassis hard spot system and automobile Download PDFInfo
- Publication number
- CN109131564B CN109131564B CN201810985616.7A CN201810985616A CN109131564B CN 109131564 B CN109131564 B CN 109131564B CN 201810985616 A CN201810985616 A CN 201810985616A CN 109131564 B CN109131564 B CN 109131564B
- Authority
- CN
- China
- Prior art keywords
- support
- plate
- longitudinal beam
- cross arm
- mortise
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention provides an aluminum alloy automobile chassis hard spot system and an automobile, and belongs to the technical field of automobiles. The device comprises a frame, a front plate spring front support, a front plate spring rear support, a rear plate spring front support, a rear plate spring rear support, a motor hard point support and a steering hard point support. The frame comprises a left longitudinal beam, a right longitudinal beam, a first combined cross arm, a second combined cross arm, a third combined cross arm and a fourth combined cross arm, wherein the four cross arms are sequentially connected in a mortise-tenon manner from front to back and are fixed on the left longitudinal beam and the right longitudinal beam. The front support of the front leaf spring is connected with the first combined cross arm. And the rear support of the front plate spring is connected with the second combined cross arm. The front support of the rear plate spring is connected with the third combined cross arm. And the rear seat of the rear plate spring is connected with the fourth combined cross arm. The motor hard point support is fixed between the left longitudinal beam and the right longitudinal beam. The motor hard point support is fixed on the left longitudinal beam or the right longitudinal beam. The hard spot system of the aluminum alloy automobile chassis realizes light weight and has good hard spot rigidity and strength.
Description
Technical Field
The invention relates to the technical field of automobiles, in particular to an aluminum alloy automobile chassis hard spot system and an automobile.
Background
One of the important difficulties in the development of all aluminum alloy automobiles is the design of a hard spot system. The hard spot structure of the steel structure automobile can be directly welded on the longitudinal beam and the automobile body structure by adopting steel. For the aluminum alloy frame, the hard spot structure can not be simply welded on a longitudinal beam or other structures, the characteristics of the aluminum alloy frame structure must be exerted, and the aluminum alloy hard spot structure design is innovatively developed.
At present, no mature hard spot structure design exists, and the development and the application of the all-aluminum alloy frame are seriously hindered.
Disclosure of Invention
The invention aims to provide an aluminum alloy automobile chassis hard spot system, which focuses on developing an aluminum alloy plate spring hard spot structure, a motor hard spot structure and a steering engine hard spot structure which have strong bearing capacity, safety, reliability and convenience in manufacturing so as to promote the development of an all-aluminum alloy automobile frame.
The invention aims to provide an automobile, which aims to solve the problems that the existing semi-light automobile is heavy in weight and the hard point structure of aluminum alloy is unsafe.
The invention is realized by the following steps:
based on the first purpose, the invention provides an aluminum alloy automobile chassis hard spot system which is characterized by comprising a frame, a front plate spring front support, a front plate spring rear support, a rear plate spring front support, a rear plate spring rear support, a motor hard spot support and a steering hard spot support; the frame comprises a left longitudinal beam, a right longitudinal beam, a first combined cross arm, a second combined cross arm, a third combined cross arm and a fourth combined cross arm, wherein the first combined cross arm, the second combined cross arm, the third combined cross arm and the fourth combined cross arm are sequentially in mortise-tenon connection from front to back and are fixed on the left longitudinal beam and the right longitudinal beam; the front support of the front plate spring is connected with the first combined cross arm; the front plate spring rear support is connected to the second combined cross arm, and the front plate spring front support and the front plate spring rear support are used for mounting a front plate spring; the front support of the rear plate spring is connected with the third combined cross arm; the rear plate spring rear support is connected to the fourth combined cross arm, and the rear plate spring front support and the rear plate spring rear support are used for mounting a rear plate spring; the motor hard point support is fixed between the left longitudinal beam and the right longitudinal beam; the steering hard point support is fixed on the left longitudinal beam or the right longitudinal beam.
In one embodiment of the invention, the left side rail comprises a first upper beam portion, a first middle beam portion and a first lower beam portion, the first upper beam portion, the first lower beam portion being connected by the first middle beam portion and forming an "Contraband" shape;
the right side rail includes a second upper beam portion, a second middle beam portion, and a second lower beam portion connected by the second middle beam portion and forming an "Contraband" shape.
In one embodiment of the invention, the motor hard spot support comprises a first bracket and a second bracket;
the first upper beam portion, the first middle beam portion and the first lower beam portion together define a first accommodating groove, and the first bracket is fixed in the first accommodating groove;
the second upper beam portion, the second middle beam portion and the second lower beam portion jointly define a second accommodating groove, the second accommodating groove is opposite to the first accommodating groove, and the second support is fixed in the second accommodating groove.
In an embodiment of the invention, the first support comprises a first vertical plate, a second vertical plate and a first transverse plate, the first vertical plate and the second vertical plate are both fixed in the first accommodating groove, a first clamping groove is formed in the first vertical plate, a second clamping groove is formed in the second vertical plate, and the first transverse plate is clamped in the first clamping groove and the second clamping groove at the same time;
the second support comprises a third vertical plate, a fourth vertical plate and a second transverse plate, the third vertical plate and the fourth vertical plate are fixed in the second accommodating groove, a third clamping groove is formed in the third vertical plate, a fourth clamping groove is formed in the fourth vertical plate, and the second transverse plate is clamped in the third clamping groove and the fourth clamping groove at the same time;
the first transverse plate and the second transverse plate are used for mounting a motor.
In an embodiment of the invention, the first bracket further includes a first supporting vertical plate, the first supporting vertical plate is fixed in the first accommodating groove, the first supporting vertical plate is located between the first vertical plate and the second vertical plate, the first supporting vertical plate is provided with a first clamping groove, the first transverse plate is provided with a second clamping groove, the first transverse plate is clamped in the first clamping groove, and the first supporting vertical plate is clamped in the second clamping groove;
the second support still includes the second and supports the riser, the second supports the riser and is fixed in the second holding tank, the second support riser be located between the third riser and the fourth riser, be equipped with the third chucking groove on the second support riser, be equipped with the fourth chucking groove on the second diaphragm, the second diaphragm card in the third chucking groove, the second support riser card in the fourth chucking groove. .
In one embodiment of the invention, the first combined cross arm comprises a plurality of first supporting cross beams which are in mortise and tenon connection and fixed on the left longitudinal beam and the right longitudinal beam, a first mortise hole is formed in the front support of the front plate spring, and the first supporting cross beams are inserted into the first mortise hole;
the second combined cross arm comprises a plurality of second supporting cross beams which are in mortise and tenon connection and fixed on the left longitudinal beam and the right longitudinal beam, a second mortise hole is formed in the rear support of the front plate spring, and the second supporting cross beams are inserted into the second mortise hole;
the third combined cross arm comprises a third supporting cross beam which is connected with the left longitudinal beam and the right longitudinal beam in a mortise-tenon manner and is fixed on the left longitudinal beam and the right longitudinal beam, a third mortise hole is formed in the front support of the rear plate spring, and the third supporting cross beam is inserted into the third mortise hole;
the fourth combined cross arm comprises a fourth supporting cross beam which is connected with the left longitudinal beam and the right longitudinal beam in a mortise-tenon mode and fixed on the left longitudinal beam and the right longitudinal beam, a fourth mortise hole is formed in the rear support of the rear plate spring, and the fourth supporting cross beam is inserted into the fourth mortise hole.
In an embodiment of the invention, the first combined cross arm further comprises a first rib plate, the first supporting cross beam is provided with a first mortise, and the first rib plate is simultaneously clamped in the first mortises of two adjacent first supporting cross beams;
the second combined cross arm also comprises a second rib plate, a second mortise is arranged on the second supporting cross beam, and the second rib plate is clamped in the second mortises of two adjacent second supporting cross beams simultaneously;
the third combined cross arm also comprises a third rib plate, a third mortise is arranged on the third supporting cross beam, and the third rib plate is simultaneously clamped in the third mortises on two adjacent third supporting cross beams;
the fourth combined cross arm further comprises a fourth rib plate, a fourth mortise is formed in the fourth supporting cross beam, and the fourth rib plate is clamped in the fourth mortises of the two adjacent fourth supporting cross beams simultaneously.
In one embodiment of the invention, the steering hard point support comprises a first inclined plate, a second inclined plate and a mounting vertical plate;
the first inclined plate and the second inclined plate are in mortise and tenon connection and are fixed on the left longitudinal beam or the right longitudinal beam;
the first inclined plate and the second inclined plate are in mortise and tenon connection and are fixed on the mounting vertical plate;
the mounting vertical plate is used for mounting a steering engine.
In one embodiment of the invention, the frame, the front plate spring front support, the front plate spring rear support, the rear plate spring front support, the motor hard point support and the steering hard point support are all made of aluminum alloy materials.
Based on the second purpose, the invention provides an automobile, which comprises the aluminum alloy automobile chassis hard spot system.
The beneficial effects of the invention include:
1. the invention provides an aluminum alloy automobile chassis hard spot system for the first time, namely 4 supports for fixing hard spots of a plate spring, a motor hard spot support and a steering engine hard spot support. All hard point structures are made of aluminum alloy, so that the weight is reduced, the consistency with an aluminum alloy frame material is ensured, and the corrosion and the connection difficulty are avoided.
2. The hard spot system is organically integrated into the frame structure and is reasonably stressed. The plate spring support and the combined cross arm of the frame form an integral structure, so that the stress of hard points is dispersed and transmitted to the frame structure, the load of a single supporting cross beam is reduced, and the integral rigidity of the frame is improved; the motor hard point support is clamped into the accommodating groove on the inner side of the longitudinal beam, and the stress of the motor hard point is also dispersedly transferred to the longitudinal beam, so that a centralized force transfer path is avoided, and the structural reliability is improved; the steering hard point support is connected to the longitudinal beam in a mortise and tenon mode and fixed, and firmness of the steering hard point support is guaranteed.
3. The hard spot system has simple manufacturing process and low cost. Parts of various hard point structures are plates, and the processing is simple and the cost is low.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic structural diagram of an aluminum alloy automobile chassis hard spot system provided in embodiment 1 of the present invention;
FIG. 2 is a cross-sectional view of the left side rail shown in FIG. 1;
FIG. 3 is a schematic structural view of the right side rail shown in FIG. 1;
FIG. 4 is a schematic view of the connection of the first cross member shown in FIG. 1 to the front support of the front leaf spring;
FIG. 5 is a schematic structural view of the front leaf spring front support shown in FIG. 4;
FIG. 6 is a schematic view of the connection of the second combination beam shown in FIG. 1 to the rear support of the front leaf spring;
FIG. 7 is a schematic structural view of the rear mount of the front leaf spring shown in FIG. 6;
FIG. 8 is a schematic view of the connection of the third cross member shown in FIG. 1 to the front support of the rear leaf spring;
FIG. 9 is a schematic structural view of the rear leaf spring front mount shown in FIG. 8;
FIG. 10 is a schematic view of the connection of the fourth composite beam shown in FIG. 1 to the rear support of the rear leaf spring;
FIG. 11 is a schematic structural view of the rear mount of the rear leaf spring shown in FIG. 10;
FIG. 12 is a schematic view of the connection of the hard spot support of the motor shown in FIG. 1 to the left and right longitudinal beams;
FIG. 13 is a schematic structural view of the first bracket shown in FIG. 12;
FIG. 14 is a schematic view showing the connection between the steering hard spot support and the left side rail shown in FIG. 1
Fig. 15 is a schematic view of the connection of the front leaf spring with the front leaf spring support and the rear leaf spring support according to embodiment 1 of the present invention.
Icon: 200-aluminum alloy automobile chassis hard spot system; 10-left stringer; 11-a first upper beam portion; 12-a first mid-beam section; 13-a first lower beam portion; 14-a first accommodating groove; 20-right stringer; 21-a second upper beam portion; 22-a second mid-beam section; 23-a second lower beam section; 24-a second receiving groove; 30-a first composite cross arm; 31-first rib plate; 32-a first support beam; 321-a first mortise; 40-a second combined cross arm; 41-second rib plate; 42-a second support beam; 421-a second tongue-and-groove; 50-a third combined cross arm; 51-third rib plate; 52-a third support beam; 521-a third tongue and groove; 60-a fourth combination cross arm; 61-fourth rib plate; 62-a fourth support beam; 621-fourth mortise; 70-front plate spring front support; 71-a first mortise hole; 72-a first seating hole; 80-front plate spring rear support; 81-second mortise hole; 82-a second seat bore; 90-front support of rear plate spring; 91-third mortise hole; 92-a third seat hole; 100-rear plate spring rear support; 101-a fourth mortise; 102-a fourth seat bore; 110-motor hard point support; 111-a first scaffold; 1111-a first riser; 1112-a second riser; 1113-a first transverse plate; 1114 — a first support riser; 1115-a first card slot; 1116-a second card slot; 1117-first clamping groove; 1118-a second clamping groove; 112-a second bracket; 1121-third riser; 1122-fourth riser; 1123-a second transverse plate; 1124-a second supporting riser; 120-steering hard point support; 1201-a first swash plate; 1202-a second swash plate; 1203-installing a vertical plate; 130-front leaf spring; 1301-a connecting rod; 140-rear leaf spring.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present invention, it should be noted that the indication of the orientation or the positional relationship is based on the orientation or the positional relationship shown in the drawings, or the orientation or the positional relationship which is usually placed when the product of the present invention is used, or the orientation or the positional relationship which is usually understood by those skilled in the art, or the orientation or the positional relationship which is usually placed when the product of the present invention is used, and is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the indicated device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, cannot be understood as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
As shown in fig. 1, the present embodiment provides an aluminum alloy automobile chassis hard spot system 200, which includes a frame, a front plate spring front support 70, a front plate spring rear support 80, a rear plate spring front support 90, a rear plate spring rear support 100, a motor hard spot support 110 and a steering hard spot support 120, wherein the front plate spring front support 70, the front plate spring rear support 80, the rear plate spring front support 90, the rear plate spring rear support 100, the motor hard spot support 110 and the steering hard spot support 120 are all fixed on the frame.
The frame comprises a left longitudinal beam 10, a right longitudinal beam 20, a first combined cross arm 30, a second combined cross arm 40, a third combined cross arm 50 and a fourth combined cross arm 60, wherein the first combined cross arm 30, the second combined cross arm 40, the third combined cross arm 50 and the fourth combined cross arm 60 are all made of aluminum alloy materials. The first combined cross arm 30, the second combined cross arm 40, the third combined cross arm 50 and the fourth combined cross arm 60 are sequentially connected to the left longitudinal beam 10 and the right longitudinal beam 20 in a mortise-tenon mode from front to back, and the first combined cross arm 30, the second combined cross arm 40, the third combined cross arm 50 and the fourth combined cross arm 60 are welded to the left longitudinal beam 10 and the right longitudinal beam 20.
As shown in fig. 2, the left side member 10 includes a first upper beam portion 11, a first middle beam portion 12, and a first lower beam portion 13, the first upper beam portion 11, the first middle beam portion 12, and the first lower beam portion 13 are all hollow structures, reinforcing ribs are provided inside the three, the first upper beam portion 11 and the first lower beam portion 13 are connected by the first middle beam portion 12 and form an "Contraband" shape, and the first upper beam portion 11, the first middle beam portion 12, and the first lower beam portion 13 define a first accommodating groove 14. The left longitudinal beam 10 of this structure has excellent bending and torsion resistance.
As shown in fig. 3, the right side member 20 includes a second upper beam portion 21, a second middle beam portion 22 and a second lower beam portion 23, the second upper beam portion 21, the second middle beam portion 22 and the second lower beam portion 23 are all hollow structures, reinforcing ribs are arranged inside the second upper beam portion 21, the second middle beam portion 22 and the second lower beam portion 23, the second upper beam portion 21 and the second lower beam portion 23 are connected through the second middle beam portion 22 to form an "Contraband" shape, and the second upper beam portion 21, the second middle beam portion 22 and the second lower beam portion 23 define a second receiving groove 24. The right longitudinal beam 20 with the structure has good bending resistance and torsion resistance
The left longitudinal beam 10 and the right longitudinal beam 20 are symmetrically arranged, and the first accommodating groove 14 of the left longitudinal beam 10 is opposite to the second accommodating groove 24 of the right longitudinal beam 20.
The first combined cross arm 30 comprises a first rib plate 31 and a plurality of first supporting cross beams 32 which are in mortise and tenon connection with the left longitudinal beam 10 and the right longitudinal beam 20.
In this embodiment, as shown in fig. 4, the number of the first supporting beams 32 is four, the four first supporting beams 32 are located at four corners of the quadrangle, and the first supporting beams 32 penetrate through the mortise holes on the left longitudinal beam 10 and the right longitudinal beam 20 at the same time, so that the mortise and tenon connection between the first supporting beams 32 and the left longitudinal beam 10 and between the first supporting beams 32 and the left longitudinal beam 20 are achieved, and the first supporting beams 32 are fixed with the left longitudinal beam 10 and the right longitudinal beam. The cross section of the first supporting beam 32 is rectangular, the four peripheral walls of the first supporting beam 32 are all provided with first mortises 321, and the first mortises 321 are rectangular grooves. The first rib plates 31 are simultaneously clamped in the first mortises 321 of two adjacent first supporting beams 32. Of course, the first rib plates 31 may be disposed between all two adjacent first support beams 32, or the first rib plates 31 may be disposed between part of two adjacent first support beams 32. In the embodiment, the first rib plate 31 is one, and the first rib plate 31 is positioned at the side part of the first combined cross arm 30. The first rib plate 31 is arranged between the two first supporting cross beams 32 to form a shear wall, so that the bending resistance of the first combined cross arm 30 is improved.
In this embodiment, the front plate spring front support 70 is made of aluminum alloy. As shown in fig. 5, the front plate spring front support 70 is provided with four first mortise holes 71, the first mortise holes 71 are rectangular, and the first mortise holes 71 correspond to the first support beams 32 one by one, that is, the number of the first mortise holes 71 is four. Further, the front leaf spring front support 70 is provided with a first support hole 72. As shown in fig. 4, in the present embodiment, there are two front leaf spring front supports 70, the front leaf spring front supports 70 are fixed to the first combination cross arm 30, the four first support cross beams 32 are respectively inserted into the four first mortise holes 71 on the front leaf spring front supports 70, the front leaf spring front supports 70 are fixed to the first support cross beams 32 by welding, so that the front leaf spring front supports 70 and the first combination cross arm 30 form an integral structure, and the front leaf spring front supports 70 can reinforce the first combination cross arm 30.
The second combined cross arm 40 comprises a second rib plate 41 and a plurality of second supporting cross beams 42 which are in mortise and tenon connection with the left longitudinal beam 10 and the right longitudinal beam 20.
In this embodiment, as shown in fig. 6, the number of the second supporting beams 42 is four, the four second supporting beams 42 are located at four quadrilateral corners, the second supporting beams 42 simultaneously penetrate through the mortise holes on the left longitudinal beam 10 and the right longitudinal beam 20, so that the mortise and tenon connection between the second supporting beams 42 and the left longitudinal beam 10 and the mortise and tenon connection between the second supporting beams 42 and the right longitudinal beam 20 are realized, and the second supporting beams 42 are fixed with the left longitudinal beam 10 and the right longitudinal beam 20 in a welding manner. The cross section of the second supporting beam 42 is rectangular, the four peripheral walls of the second supporting beam 42 are all provided with second mortise 421, and the second mortise 421 is a rectangular groove. The second rib plate 41 is simultaneously clamped in the second mortise 421 of two adjacent second supporting beams 42. Of course, the second rib plates 41 may be disposed between all two adjacent second supporting beams 42, or the second rib plates 41 may be disposed between part of two adjacent second supporting beams 42. In this embodiment, there are three second rib plates 41, the three second rib plates 41 are respectively located at two sides and one top of the second combined cross arm 40, and two adjacent second rib plates 41 are perpendicular to each other. The second rib plates 41 are arranged between the two second supporting cross beams 42 to form a shear wall, so that the bending resistance of the second combined cross arm 40 is improved.
In this embodiment, the front plate spring rear support 80 is made of aluminum alloy. As shown in fig. 7, the front plate spring rear support 80 is provided with second mortise holes 81, the second mortise holes 81 are rectangular, and the second mortise holes 81 correspond to the second supporting beams 42 one to one, that is, four second mortise holes 81 are provided. In addition, a second seat hole 82 is provided in the front leaf spring rear seat 80. As shown in fig. 6, in the present embodiment, there is one front leaf spring rear support 80, the front leaf spring rear support 80 is fixed to the second combination cross arm 40, the four second support cross beams 42 are respectively inserted into the four second mortise holes 81 on the front leaf spring rear support 80, the front leaf spring rear support 80 is fixed to the second support cross beams 42 by welding, so that the front leaf spring rear support 80 and the second combination cross arm 40 form an integral structure, and the front leaf spring rear support 80 can reinforce the second combination cross arm 40.
The third combined cross arm 50 comprises a third rib plate 51 and a plurality of third supporting cross beams 52 which are in mortise and tenon connection with the left longitudinal beam 10 and the right longitudinal beam 20.
In this embodiment, as shown in fig. 8, four third supporting beams 52 are provided, the four third supporting beams 52 are located at four quadrilateral corners, the third supporting beams 52 simultaneously penetrate through mortise holes on the left longitudinal beam 10 and the right longitudinal beam 20, so that the third supporting beams 52 are connected with the left longitudinal beam 10 and the right longitudinal beam 20 in a mortise-tenon manner, and the third supporting beams 52 are fixed with the left longitudinal beam 10 and the right longitudinal beam 20 in a welding manner. The cross section of the third supporting beam 52 is rectangular, the four peripheral walls of the third supporting beam 52 are all provided with third mortises 521, and the third mortises 521 are rectangular grooves. The third rib plate 51 is simultaneously clamped in the third mortise 521 on two adjacent third supporting beams 52. Of course, the second rib plates 41 may be disposed between all two adjacent third supporting beams 52, or the third rib plates 51 may be disposed between part of two adjacent third supporting beams 52. In this embodiment, there are three third rib plates 51, the three third rib plates 51 are respectively located at two sides and one top of the third combined cross arm 50, and two adjacent third rib plates 51 are perpendicular to each other. The third rib plate 51 is arranged between the two third supporting cross beams 52 to form a shear wall, so that the bending resistance of the third combined cross arm 50 is improved.
In this embodiment, the rear plate spring front support 90 is made of aluminum alloy. As shown in fig. 9, a third mortise 91 is provided on the rear leaf spring front support 90, the third mortise 91 is rectangular, and the third mortise 91 corresponds to the third supporting beams 52 one-to-one, that is, four third mortise 91 are provided. In addition, a third support hole 92 is provided in the rear leaf spring front support 90. As shown in fig. 8, in the present embodiment, there are two rear leaf spring front supports 90, the rear leaf spring front support 90 is fixed to the third combined cross arm 50, the four third support cross beams 52 are respectively inserted into the four third mortise holes 91 of the rear leaf spring front support 90, the rear leaf spring front support 90 is fixed to the third support cross beams 52 by welding, so that the rear leaf spring front support 90 and the third combined cross arm 50 form an integral structure, and the rear leaf spring front support 90 can reinforce the third combined cross arm 50.
The fourth combined cross arm 60 comprises a fourth rib plate 61 and a plurality of fourth supporting cross beams 62 which are in mortise and tenon connection with the left longitudinal beam 10 and the right longitudinal beam 20.
In this embodiment, as shown in fig. 10, four fourth supporting beams 62 are provided, the four fourth supporting beams 62 are located at four quadrilateral corners, the fourth supporting beams 62 simultaneously penetrate through mortise holes on the left longitudinal beam 10 and the right longitudinal beam 20, so that the fourth supporting beams 62 are connected with the left longitudinal beam 10 and the right longitudinal beam 20 in a mortise-tenon manner, and the fourth supporting beams 62 are fixed with the left longitudinal beam 10 and the right longitudinal beam 20 in a welding manner. The cross section of the fourth supporting beam 62 is rectangular, four peripheral walls of the fourth supporting beam 62 are all provided with fourth mortises 621, and the fourth mortises 621 are rectangular grooves. The fourth rib 61 is simultaneously clamped in the fourth mortises 621 of two adjacent fourth supporting beams 62. Of course, the fourth rib 61 may be provided between all two adjacent fourth supporting beams 62, or the fourth rib 61 may be provided between part of two adjacent fourth supporting beams 62. In this embodiment, there are three fourth rib plates 61, three fourth rib plates 61 are respectively located at two sides and one top of the fourth composite cross arm 60, and two adjacent fourth rib plates 61 are perpendicular to each other. The fourth rib plate 61 is arranged between the two first supporting cross beams 32 to form a shear wall, so that the bending resistance of the fourth combined cross arm 60 is improved.
In this embodiment, the rear plate spring rear support 100 is made of aluminum alloy. As shown in fig. 11, a fourth mortise 101 is provided on the rear plate spring support 100, the fourth mortise 101 is rectangular, and the fourth mortise 101 corresponds to the fourth supporting beams 62 one to one, that is, four fourth mortises 101 are provided. In addition, a fourth seat hole 102 is formed in the rear plate spring rear seat 100. As shown in fig. 10, in the present embodiment, there is one rear leaf spring rear support 100, the rear leaf spring rear support 100 is fixed to the fourth combination cross arm 60, the four fourth support cross beams 62 are respectively inserted into the four fourth mortise holes 101 on the rear leaf spring rear support 100, the rear leaf spring rear support 100 is fixed to the fourth support cross beams 62 by welding, so that the rear leaf spring rear support 100 and the fourth combination cross arm 60 form an integral structure, and the rear leaf spring rear support 100 can reinforce the first combination cross arm 30.
The motor hard spot support 110 is used to mount the motor. In this embodiment, the hard point support 110 of the motor is made of an aluminum alloy. The motor hard spot support 110 is made of aluminum alloy. The motor hard spot support 110 is fixed between the left longitudinal beam 10 and the right longitudinal beam 20. As shown in fig. 12, the front leaf spring mount includes a first bracket 111 and a second bracket 112, the first bracket 111 is fixedly mounted in the first receiving groove 14 of the left side member 10, and the second bracket 112 is fixedly mounted in the second receiving groove 24 of the left side member 10.
As shown in fig. 13, the first bracket 111 includes a first vertical plate 1111, a second vertical plate 1112, a first transverse plate 1113, and a first supporting vertical plate 1114, the first vertical plate 1111, second riser 1112 and first support riser 1114 all are fixed in the first holding tank 14 of left longeron 10, first riser 1111, second riser 1112 and first support riser 1114 all weld in left longeron 10, one side of first riser 1111 towards second riser 1112 is equipped with first draw-in groove 1115, one side of second riser 1112 towards first riser 1111 is equipped with second draw-in groove 1116, first diaphragm 1113 blocks simultaneously in first draw-in groove 1115 and second draw-in groove 1116, first support riser 1114 is located between first riser 1111 and the second riser 1112, be equipped with first chucking groove 1117 on the first support riser 1114, be equipped with second chucking groove 1118 on the first diaphragm 1113, first diaphragm 1113 blocks in first chucking groove 1117, first support riser 1114 blocks in second chucking groove 1118. Wherein, be equipped with on the first diaphragm 1113 and be used for installing the motor screw. The first support 111 of this structure has good structural stability and extremely strong supporting capability.
The second support 112 includes the third riser 1121, the fourth riser 1122, second diaphragm 1123 and second support riser 1124, the third riser 1121, fourth riser 1122 and second support riser 1124 are all fixed in the second holding tank 24 of the right longeron 20, the third riser 1121, fourth riser 1122 and second support riser 1124 all weld in the right longeron 20, one side of the third riser 1121 facing the fourth riser 1122 is equipped with the third clamping groove, one side of the fourth riser 1122 facing the third riser 1121 is equipped with the fourth clamping groove, the second diaphragm 1123 blocks in the third clamping groove and the fourth clamping groove simultaneously, the second support riser 1124 is located between the third riser 1121 and the fourth riser 1122, be equipped with the third clamping groove on the second support riser 1124, be equipped with the fourth clamping groove on the second diaphragm 3, the second diaphragm 1123 blocks in the third clamping groove, the second support riser 1124 blocks in the fourth clamping groove. Wherein, a screw hole for installing a motor is arranged on the second transverse plate 1123. The second support 112 with such a structure has good structural stability and extremely strong supporting capability.
After the first bracket 111 and the second bracket 112 are respectively fixedly mounted on the left longitudinal beam 10 and the right longitudinal beam 20, the first transverse plate 1113 in the first bracket 111 and the second transverse plate 1123 in the second bracket 112 are located in the same plane, and the motor can be mounted on the first transverse plate 1113 and the second transverse plate 1123 through screws.
The steering hard spot support 120 is used to mount a steering gear. In this embodiment, the hard steering support 120 is made of aluminum alloy. The hard steering support 120 can be fixedly mounted on the left longitudinal beam 10, and it can also be fixedly mounted on the right longitudinal beam 20. In this embodiment, the steering hard point support 120 is fixedly mounted on the left longitudinal beam 10.
Specifically, as shown in fig. 14, the steering hard spot support 120 includes a first inclined plate 1201, a second inclined plate 1202 and a mounting vertical plate 1203, the first inclined plate 1201 and the second inclined plate 1202 are mortise-tenon connected to the left longitudinal beam 10, the first inclined plate 1201 and the second inclined plate 1202 are both vertically inserted into mortise holes on the left longitudinal beam 10, the first inclined plate 1201 and the second inclined plate 1202 are both welded to the left longitudinal beam 10, and the first inclined plate 1201 is parallel to the second inclined plate 1202; the first inclined plate 1201 and the second inclined plate 1202 are all in mortise-tenon connection with the installation vertical plate 1203, the first inclined plate 1201 and the second inclined plate 1202 are both vertically inserted into mortise holes in the installation vertical plate 1203, and the first inclined plate 1201 and the second inclined plate 1202 are both welded with the installation vertical plate 1203. Wherein, the mounting vertical plate 1203 is provided with a screw hole for mounting a steering gear. The steering hard point support 120 with the structure has the advantages of simple structure, convenience in installation and fixation, easiness in production and manufacturing and good structural stability.
In actual use, the front leaf spring front support 70 and the front leaf spring rear support 80 are used for mounting the front leaf spring 130; the rear leaf spring front support 90 and the rear leaf spring rear support 100 are used for mounting the rear leaf spring 140. Specifically, as shown in fig. 15, one end of the front leaf spring 130 is hinged to the front leaf spring front support 70, a hinge shaft pin between the front leaf spring 130 and the front leaf spring front support 70 is inserted into the first support holes 72 of the two front leaf spring front supports 70, the other end of the front leaf spring 130 is connected to a link 1301, one end of the link 1301 remote from the front leaf spring 130 is hinged to the front leaf spring rear support 80, and a hinge shaft between the link 1301 and the front leaf spring rear support 80 is inserted into the second support hole 82 in the front leaf spring rear support 80. Similarly, one end of the rear plate spring 140 is hinged to the rear plate spring front support 90, a hinge pin between the rear plate spring 140 and the rear plate spring front support 90 is inserted into the third support holes 92 of the two rear plate spring front supports 90, and the other end of the rear plate spring 140 is connected to a link rod, one end of the link rod remote from the rear plate spring 140 is hinged to the rear plate spring rear support 100, and a hinge shaft between the link rod and the rear plate spring rear support 100 is inserted into the fourth support hole 102 in the rear plate spring rear support 100.
In the aluminum alloy automobile chassis hard spot system 200 provided by the embodiment, all hard spot structures are made of aluminum alloy, so that the weight is reduced, the consistency with an aluminum alloy frame material is ensured, and the corrosion and the connection difficulty are avoided. Parts of each hard point structure are plates, and the processing is simple and the cost is low. Because the four combined cross arms in the frame are in mortise-tenon connection with the left longitudinal beam 10 and the right longitudinal beam 20, the light weight of the frame is realized, and the integral rigidity and strength of the frame are effectively improved. In addition, each plate spring support and each combined cross arm form an integral structure, so that the stress of hard points is dispersed and transmitted to the frame structure, the load of a single supporting cross beam is reduced, and the integral rigidity of the frame is improved; the motor hard point support 110 is clamped into the accommodating groove on the inner side of the longitudinal beam, and the stress of the motor hard point is also dispersedly transferred to the longitudinal beam, so that a centralized force transfer path is avoided, and the structural reliability is improved; the steering hard point support 120 is connected to the longitudinal beam in a mortise-tenon mode and fixed, and firmness of the steering hard point support 120 is guaranteed.
Example 2
The present embodiment provides an automobile including the aluminum alloy automobile chassis hard spot system 200 of embodiment 1 described above, and an automobile having the aluminum alloy automobile chassis hard spot system 200 of this structure can be reduced in weight by 20%.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. An aluminum alloy automotive chassis hard spot system, comprising:
the frame comprises a left longitudinal beam, a right longitudinal beam, a first combined cross arm, a second combined cross arm, a third combined cross arm and a fourth combined cross arm, wherein the first combined cross arm, the second combined cross arm, the third combined cross arm and the fourth combined cross arm are sequentially in mortise-tenon joint from front to back and are fixed on the left longitudinal beam and the right longitudinal beam;
a front leaf spring front support connected to the first compound cross arm;
the front plate spring rear support is connected to the second combined cross arm, and the front plate spring front support and the front plate spring rear support are used for mounting a front plate spring;
the front support of the rear plate spring is connected with the third combined cross arm;
the rear plate spring rear support is connected to the fourth combined cross arm, and the rear plate spring front support and the rear plate spring rear support are used for mounting a rear plate spring;
the motor hard point support is fixed between the left longitudinal beam and the right longitudinal beam;
the steering hard point support is fixed on the left longitudinal beam or the right longitudinal beam;
the left side rail comprises a first upper beam portion, a first middle beam portion and a first lower beam portion, the first upper beam portion and the first lower beam portion are connected through the first middle beam portion and form an 'Contraband' shape;
the right side rail comprises a second upper beam portion, a second middle beam portion and a second lower beam portion, the second upper beam portion and the second lower beam portion are connected through the second middle beam portion and form an Contraband shape;
the motor hard point support comprises a first support and a second support;
the first upper beam portion, the first middle beam portion and the first lower beam portion together define a first accommodating groove, and the first bracket is fixed in the first accommodating groove;
the second upper beam portion, the second middle beam portion and the second lower beam portion jointly define a second accommodating groove, the second accommodating groove is opposite to the first accommodating groove, and the second support is fixed in the second accommodating groove.
2. The aluminum alloy automobile chassis hard spot system according to claim 1, wherein the first bracket comprises a first vertical plate, a second vertical plate and a first transverse plate, the first vertical plate and the second vertical plate are both fixed in the first accommodating groove, a first clamping groove is formed in the first vertical plate, a second clamping groove is formed in the second vertical plate, and the first transverse plate is clamped in the first clamping groove and the second clamping groove at the same time;
the second support comprises a third vertical plate, a fourth vertical plate and a second transverse plate, the third vertical plate and the fourth vertical plate are fixed in the second accommodating groove, a third clamping groove is formed in the third vertical plate, a fourth clamping groove is formed in the fourth vertical plate, and the second transverse plate is clamped in the third clamping groove and the fourth clamping groove at the same time;
the first transverse plate and the second transverse plate are used for mounting a motor.
3. The aluminum alloy automobile chassis hard spot system according to claim 2, wherein the first support further comprises a first support vertical plate, the first support vertical plate is fixed in the first accommodating groove, the first support vertical plate is located between the first vertical plate and the second vertical plate, a first clamping groove is formed in the first support vertical plate, a second clamping groove is formed in the first transverse plate, the first transverse plate is clamped in the first clamping groove, and the first support vertical plate is clamped in the second clamping groove;
the second support still includes the second and supports the riser, the second supports the riser and is fixed in the second holding tank, the second support riser be located between the third riser and the fourth riser, be equipped with the third chucking groove on the second support riser, be equipped with the fourth chucking groove on the second diaphragm, the second diaphragm card in the third chucking groove, the second support riser card in the fourth chucking groove.
4. The aluminum alloy automobile chassis hard spot system as claimed in claim 1, wherein the first combined cross arm comprises a plurality of first supporting cross beams which are in mortise and tenon connection and fixed on the left longitudinal beam and the right longitudinal beam, a first mortise hole is formed on the front plate spring front support, and the first supporting cross beam is inserted into the first mortise hole;
the second combined cross arm comprises a plurality of second supporting cross beams which are in mortise and tenon connection and fixed on the left longitudinal beam and the right longitudinal beam, a second mortise hole is formed in the rear support of the front plate spring, and the second supporting cross beams are inserted into the second mortise hole;
the third combined cross arm comprises a plurality of third supporting cross beams which are in mortise and tenon connection and fixed on the left longitudinal beam and the right longitudinal beam, a third mortise hole is formed in the front support of the rear plate spring, and the third supporting cross beams are inserted into the third mortise hole;
the fourth combined cross arm comprises a fourth supporting cross beam which is connected with the left longitudinal beam and the right longitudinal beam in a mortise-tenon mode and fixed on the left longitudinal beam and the right longitudinal beam, a fourth mortise hole is formed in the rear support of the rear plate spring, and the fourth supporting cross beam is inserted into the fourth mortise hole.
5. The aluminum alloy automobile chassis hard spot system according to claim 4, wherein the first combined cross arm further comprises a first rib plate, a first mortise is formed in the first supporting cross beam, and the first rib plate is simultaneously clamped in the first mortises in two adjacent first supporting cross beams;
the second combined cross arm also comprises a second rib plate, a second mortise is arranged on the second supporting cross beam, and the second rib plate is clamped in the second mortises of two adjacent second supporting cross beams simultaneously;
the third combined cross arm also comprises a third rib plate, a third mortise is arranged on the third supporting cross beam, and the third rib plate is simultaneously clamped in the third mortises on two adjacent third supporting cross beams;
the fourth combined cross arm further comprises a fourth rib plate, a fourth mortise is formed in the fourth supporting cross beam, and the fourth rib plate is clamped in the fourth mortises of the two adjacent fourth supporting cross beams simultaneously.
6. The aluminum alloy automotive chassis hard spot system of claim 1, wherein the steering hard spot mount comprises a first sloping plate, a second sloping plate, and a mounting riser;
the first inclined plate and the second inclined plate are in mortise and tenon connection and are fixed on the left longitudinal beam or the right longitudinal beam;
the first inclined plate and the second inclined plate are in mortise and tenon connection and are fixed on the mounting vertical plate;
the mounting vertical plate is used for mounting a steering engine.
7. The aluminum alloy automobile chassis hard spot system as claimed in claim 1, wherein the frame, the front plate spring front support, the front plate spring rear support, the rear plate spring front support, the motor hard spot support and the steering hard spot support are all made of aluminum alloy.
8. An automobile comprising the aluminum alloy automobile chassis hard spot system of any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810985616.7A CN109131564B (en) | 2018-08-27 | 2018-08-27 | Aluminum alloy automobile chassis hard spot system and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810985616.7A CN109131564B (en) | 2018-08-27 | 2018-08-27 | Aluminum alloy automobile chassis hard spot system and automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109131564A CN109131564A (en) | 2019-01-04 |
| CN109131564B true CN109131564B (en) | 2021-01-15 |
Family
ID=64828377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810985616.7A Active CN109131564B (en) | 2018-08-27 | 2018-08-27 | Aluminum alloy automobile chassis hard spot system and automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109131564B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110341797B (en) * | 2019-07-24 | 2020-10-16 | 武汉智能控制工业技术研究院有限公司 | Combined cross beam and vehicle |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2578884A1 (en) * | 2006-02-17 | 2007-08-17 | Norco Industries, Inc. | Trailer and method of assembly |
| WO2013131070A2 (en) * | 2012-03-02 | 2013-09-06 | East Manufacturing Corporation | Platform trailer with reinforced neck |
| CN104494701B (en) * | 2014-12-31 | 2017-09-26 | 东莞中山大学研究院 | A kind of passenger-carrying chassis foundation structure of overall stress |
| CN204507005U (en) * | 2015-02-27 | 2015-07-29 | 湖南晟通天力汽车有限公司 | Aluminium pot car owner vehicle frame |
| CN105015621B (en) * | 2015-06-30 | 2017-08-08 | 东莞中山大学研究院 | A kind of low-floor electric motor coach lightweight chassis structure |
| CN206885156U (en) * | 2017-02-24 | 2018-01-16 | 深圳市沃特玛电池有限公司 | A kind of Novel frame structure |
| CN206938857U (en) * | 2017-06-23 | 2018-01-30 | 东风商用车有限公司 | A kind of commercial car frame assembly |
-
2018
- 2018-08-27 CN CN201810985616.7A patent/CN109131564B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN109131564A (en) | 2019-01-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2003252235A (en) | Connection structure of side member to cross member | |
| CN109131564B (en) | Aluminum alloy automobile chassis hard spot system and automobile | |
| CN107433970A (en) | steering column mounting structure | |
| CN209719726U (en) | Suspension crossbeam | |
| CN110588781A (en) | High-form multipurpose modular rear auxiliary frame | |
| CN215475354U (en) | Front beam connecting support and front beam assembly | |
| CN211592706U (en) | Frame and semitrailer | |
| CN214138693U (en) | Frame casting crossbeam and car | |
| CN211167091U (en) | Sub vehicle frame assembly and vehicle | |
| CN220483410U (en) | Connection structure of frame and automobile body and vehicle | |
| CN217455850U (en) | Mounting bracket of backup controller for vehicle | |
| CN109080512B (en) | Child seat fixing support assembly for vehicle | |
| CN210941958U (en) | Auxiliary frame and automobile | |
| CN113183739A (en) | Power battery support, power battery support assembly and vehicle | |
| CN216546367U (en) | Main and auxiliary frame connecting mechanism and frame assembly | |
| CN219277613U (en) | Frame assembly | |
| CN210941956U (en) | Connection structure of sub vehicle frame, sub vehicle frame and stabilizer bar | |
| CN217195318U (en) | Head structure and robot | |
| EP3293079B1 (en) | Auxiliary cross-member structure for supporting elements of a motor-vehicle front suspension | |
| CN219989330U (en) | Torsion bar support and vehicle | |
| CN220430283U (en) | Front subframe and vehicle | |
| CN221114102U (en) | Automobile auxiliary instrument board mounting bracket and automobile | |
| CN220035722U (en) | Beam column connecting piece and beam column connecting assembly | |
| CN220500429U (en) | Balance shaft bracket for vehicle | |
| CN217945492U (en) | Aircraft floor stiffening beam |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |