CN111942300B

CN111942300B - Installing support, front beam and frame

Info

Publication number: CN111942300B
Application number: CN202010662709.3A
Authority: CN
Inventors: 李研研; 和仕超; 贺捷; 张雪娟; 强昆昆
Original assignee: Wuhan Lotus Cars Co Ltd
Current assignee: Wuhan Lotus Cars Co Ltd
Priority date: 2020-07-10
Filing date: 2020-07-10
Publication date: 2022-09-06
Anticipated expiration: 2040-07-10
Also published as: CN111942300A

Abstract

The invention relates to the technical field of automobile frames and discloses an installation support, a front cross beam and a frame. The mounting bracket comprises an upper plate, a lower plate and a side plate; one end of the side plate is connected with the upper plate, and the other end of the side plate is connected with the lower plate; the upper plate and the lower plate are positioned on the same side of the side plate and form a groove area with the side plate; a reinforcing rib is arranged in the groove area, one end of the reinforcing rib is connected with the upper plate, and the other end of the reinforcing rib is connected with the lower plate; the upper plate and the lower plate are provided with mounting holes for connecting with parts of the electrical system. The mounting bracket provided by the invention has the characteristics of light weight and low cost.

Description

Mounting bracket, front cross beam and frame

Technical Field

The invention relates to the technical field of automobile frames, in particular to an installation support, a front cross beam and a frame.

Background

Generally, all need the crossbeam assembly to provide the fixed point for electric system's spare part in the new forms of energy motorcycle type front cabin, common crossbeam assembly structure comprises crossbeam body and fixed bolster, and the both sides of crossbeam are located to the fixed bolster, and the crossbeam both ends are connected with the automobile body longeron, and the fixed bolster provides the installation fulcrum for electric system spare part in the automobile cabin.

At present, as the demand of electrical systems increases, the size and weight of the components thereof also increase, which requires a corresponding increase of the fixing bracket and guarantees a certain structural strength, in the prior art, the following two schemes are generally used: firstly, the material thickness of the fixed bracket is increased; secondly, the number of the fixed supports is increased to ensure the rigidity of the required fixed point; however, although the above two schemes can meet the fixing requirement of bearing parts to a certain extent, the weight needs to be correspondingly increased to ensure sufficient structural rigidity, the vehicle body mass is increased, and the vehicle body cost is increased.

Disclosure of Invention

The invention aims to solve the technical problems of large mass and high cost of the mounting bracket of the automobile front cross beam in the prior art.

In order to solve the technical problem, the application discloses a mounting bracket, which comprises an upper plate, a lower plate and a side plate;

one end of the side plate is connected with the upper plate, and the other end of the side plate is connected with the lower plate;

the upper plate and the lower plate are positioned on the same side of the side plate and form a groove area with the side plate;

a reinforcing rib is arranged in the groove area, one end of the reinforcing rib is connected with the upper plate, and the other end of the reinforcing rib is connected with the lower plate;

the upper plate and the lower plate are provided with mounting holes for connecting with parts of the electrical system.

Optionally, the reinforcing bar comprises a first reinforcing bar;

the first reinforcing rib is perpendicular to the upper plate, and the first reinforcing rib is close to the mounting hole.

Optionally, the upper plate is perpendicular to the side plate;

the lower plate comprises a connected bevel section and a parallel section;

the inclined surface section is close to the side plate, and an included angle between the inclined surface section and the side plate is an obtuse angle;

the parallel section is parallel to the upper plate.

Optionally, the reinforcing rib further comprises a second reinforcing rib;

a first included angle between one end of the second reinforcing rib and the upper plate is an obtuse angle;

the first included angle faces the side plate;

the other end of the second reinforcing rib is positioned at the joint of the inclined plane section and the parallel section.

Optionally, the reinforcing rib further comprises a third reinforcing rib;

one end of the third reinforcing rib is connected with one end of the second reinforcing rib, and the other end of the third reinforcing rib is positioned on the inclined plane section;

a second included angle between the other end of the third reinforcing rib and the inclined plane section is an obtuse angle;

the second included angle faces the side plate.

Optionally, the reinforcing rib further comprises a fourth reinforcing rib;

the fourth reinforcing rib is vertical to the upper plate;

one end of the fourth reinforcing bead is located at the parallel section.

Optionally, the mounting hole is connected to the electrical system component by screwing or riveting.

The application also discloses a front cross beam, which comprises a cross beam body and the mounting bracket;

the mounting bracket includes a first end and a second end;

the first end is close to one end of the side plate;

the second end is opposite to the first end;

the beam body is connected with the second end.

Optionally, the beam body is connected to the second end by blind rivets.

The present application further discloses in another aspect a vehicle frame including the front cross member described above.

Adopt above-mentioned technical scheme, the installing support that this application provided has following beneficial effect:

1) through the groove structure that curb plate, upper plate and hypoplastron formed, improved the installation intensity and the modal performance requirement of installing support.

2) The reinforcing ribs connected with the upper plate and the lower plate are arranged in the groove area, so that the mounting strength of the mounting point is further improved, the mounting point is easy to form through an extrusion forming process in the forming and processing process, the forming process has the advantage of simplicity, the rigidity required by the mounting point is easy to adjust by changing the positions of the reinforcing ribs, the performance requirement is guaranteed to the maximum degree, the weight and the cost are reduced, and the manufacturing process is optimized.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a perspective view of a mounting bracket of the present application;

FIG. 2 is a cross-sectional view of an alternative mounting bracket of the present application;

FIG. 3 is a cross-sectional view of another alternative mounting bracket of the present application;

FIG. 4 is a partial cross-sectional view of a front cross member of the present application.

The following is a supplementary description of the drawings:

1, upper plate; 2-lower plate; 21-a bevel section; 22-parallel segments; 3-side plates; 4-mounting holes; 5-reinforcing ribs; 51-a first reinforcing bead; 52-a second reinforcing rib; 53-a third reinforcing rib; 54-a fourth reinforcing rib; 6-positioning holes; 7-beam body.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. 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 application.

Reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic may be included in at least one implementation of the present application. In the description of the present application, it is to be understood that the terms "upper", "lower", "top", "bottom", and the like, are used in an orientation or positional relationship based on that shown in the figures, which is for convenience in describing the present application and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus, are not to be construed as limiting the present application. 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 one or more of that feature. Moreover, the terms "first," "second," and the like are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

As shown in fig. 1, fig. 1 is a perspective view of the mounting bracket of the present application. The application discloses a mounting bracket, which comprises an upper plate 1, a lower plate 2 and a side plate 3; one end of the side plate 3 is connected with the upper plate 1, and the other end of the side plate 3 is connected with the lower plate 2; this upper plate 1 is located the homonymy of this curb plate 3 with this hypoplastron 2, and forms the recess region with this curb plate 3, has improved the installation intensity and the modal performance requirement of installing support, and mainly strengthens the modal performance of installing support through increasing the material thickness or the quantity of support frame among the prior art, has with high costs and the big shortcoming of quality.

Be equipped with strengthening rib 5 in this recess region, and the one end of this strengthening rib 5 is connected with this upper plate 1, the other end of this strengthening rib 5 is connected with this hypoplastron 2, this strengthening rib 5 has further improved the installation intensity of mounting point, and in the shaping course of working, easily through the extrusion moulding technology shaping, the advantage that has the simple forming process, and also easily adjust the required rigidity of mounting point through the position that changes strengthening rib 5, in the required time of maximum assurance performance, weight, cost reduction, and manufacturing process nature obtains optimizing.

The upper plate 1 and the lower plate 2 are provided with mounting holes 4 for connection with electrical system components.

In an optional implementation mode, the mounting bracket is made of aluminum alloy and is formed by extrusion, and the forming cost of the extrusion die is reduced compared with that of a sheet metal die.

In an alternative embodiment, as shown in FIG. 2, FIG. 2 is a cross-sectional view of an alternative mounting bracket of the present application. The reinforcing ribs 5 include first reinforcing ribs 51; the first reinforcing rib 51 is perpendicular to the upper plate 1, and the first reinforcing rib 51 is close to the mounting hole 4, so that the strength of the mounting point at the mounting hole 4 is improved.

In an alternative embodiment, as can be seen from fig. 2, the upper plate 1 is perpendicular to the side plate 3; the lower plate 2 comprises a connected slope section 21 and a parallel section 22; the inclined section 21 is close to the side plate 3, and the included angle between the inclined section and the side plate 3 is an obtuse angle; the parallel section 22 is parallel to the upper plate 1.

In an alternative embodiment, the reinforcing bar 5 further comprises a second reinforcing bar 52; a first included angle between one end of the second reinforcing rib 52 and the upper plate 1 is an obtuse angle; the first included angle faces the side plate 3; the other end of the second reinforcing rib 52 is located at the junction of the inclined section 21 and the parallel section 22.

In an alternative embodiment, as shown in FIG. 3, FIG. 3 is a cross-sectional view of another alternative mounting bracket of the present application. The reinforcing ribs 5 further include third reinforcing ribs 53; one end of the third reinforcing rib 53 is connected to one end of the second reinforcing rib 52, and the other end of the third reinforcing rib 53 is located at the inclined surface section 21; and a second included angle between the other end of the third reinforcing rib 53 and the inclined plane section 21 is an obtuse angle; the second included angle faces the side plate 3 and has the effect of enhancing the connection strength of the mounting bracket.

In an alternative embodiment, as can be seen in fig. 3, the reinforcing bar 5 further comprises a fourth reinforcing bar 54; the fourth reinforcing rib 54 is perpendicular to the upper plate 1; one end of the fourth reinforcing bead 54 is positioned at the parallel section 22. It should be understood that the second, third and fourth reinforcing

ribs

52, 53 and 54 can be designed according to the actual requirement, i.e. the strength requirement of the mounting bracket, but if more than one mounting hole 4 is provided on the upper plate 1 or the lower plate 2, it is preferable to provide the reinforcing rib 5 at a position close to the mounting hole 4, so as to improve the mounting strength at the mounting hole 4.

In an alternative embodiment, the mounting hole 4 is connected to the electrical system component by screwing or riveting.

As shown in fig. 4, fig. 4 is a partial cross-sectional view of the front cross member of the present application. The application also discloses a front cross beam, which comprises a cross beam body 7 and the mounting bracket;

the mounting bracket includes a first end and a second end; the first end is the end close to the side plate 3; the second end is opposite to the first end; the beam body 7 is connected to the second end.

In an optional embodiment, the beam body 7 and the second end are connected by blind rivets, so that welding is not needed, and the cost is low.

In an alternative embodiment, the upper plate 1 is provided with positioning holes 6 to facilitate accurate mounting of the mounting bracket to the beam body 7.

To better illustrate the beneficial effects of the mounting bracket provided by the present application, the following description will be given by way of specific examples.

Example 1

As can be seen in fig. 1, the present application provides a mounting bracket comprising an upper plate 1, a lower plate 2 and side plates 3; one end of the side plate 3 is connected with the upper plate 1, and the other end of the side plate 3 is connected with the lower plate 2; the upper plate 1 and the lower plate 2 are located on the same side of the side plate 3, and form a groove area with the side plate 3.

The groove area is provided with a reinforcing rib 5, one end of the reinforcing rib 5 is connected with the upper plate 1, the other end of the reinforcing rib 5 is connected with the lower plate 2, the upper plate 1 and the lower plate 2 are provided with mounting holes 4 for connecting with parts of an electrical system, the reinforcing rib 5 further improves the mounting strength of a mounting point,

the mounting bracket is made of aluminum alloy and is formed by extrusion, and the extrusion mold is lower in cost than a metal plate mold, so that the forming cost is reduced.

The upper plate 1 is vertical to the side plate 3; the lower plate 2 comprises a connected slope section 21 and a parallel section 22; the inclined section 21 is close to the side plate 3, and an included angle between the inclined section and the side plate 3 is an obtuse angle; the parallel section 22 is parallel to the upper plate 1, which has an advantage of occupying space.

As can be seen from fig. 2, the reinforcing beads 5 include a first reinforcing bead 51, a second reinforcing bead 52, and a fourth reinforcing bead 54; the first reinforcing rib 51 is perpendicular to the upper plate 1, and the first reinforcing rib 51 is close to the mounting hole 4, so that the strength of the mounting point at the mounting hole 4 is improved; the reinforcing ribs 5 further include second reinforcing ribs 52; a first included angle between one end of the second reinforcing rib 52 and the upper plate 1 is an obtuse angle; the first included angle faces the side plate 3; the other end of the second reinforcing rib 52 is located at the connection part of the inclined plane section 21 and the parallel section 22; the reinforcing rib 5 further includes a fourth reinforcing rib 54; the fourth reinforcing ribs 54 are perpendicular to the upper plate 1; one end of the fourth reinforcing bead 54 is located at the parallel section 22.

The mounting bracket is formed by an extrusion forming process, and has the advantage of simple forming process.

The following will carry out the contrast experiment with the mounting bracket of application installing support structure, prior art panel beating form and support bracket form itself, explain this application installing support structure's beneficial effect, specifically as follows:

the distance between the mounting hole 4 and the beam body 7 is set to be 95 millimeters, through CAE simulation analysis, the material yield strength requirement of the mounting point accessory at the mounting hole 4 is about 500MPa, and aiming at the performance requirement, the structure of the application adopts a 6082-T6 material rate extrusion process, the structure is shown in figure 2, the thickness of the upper plate 1 is 2.0 millimeters, the thickness of the lower plate 2 is 1.8 millimeters, the thickness of the first reinforcing rib 51 is 1.5 millimeters, through CAE simulation calculation (the same boundary), the material thickness and the weight information of corresponding parts of the three structures are shown in the following table:

through the analysis, the same structural rigidity and modal target are guaranteed on the premise that the length of the support is the same, the weight of the aluminum extrusion support structure is reduced by about 40%, and meanwhile, the investment of a stamping die and welding equipment can be reduced.

The application also discloses a front cross beam, which comprises a cross beam body 7 and the mounting bracket;

Example 2

As can be seen in fig. 1 and 3, the present application provides a mounting bracket comprising an upper plate 1, a lower plate 2 and side plates 3; one end of the side plate 3 is connected with the upper plate 1, and the other end of the side plate 3 is connected with the lower plate 2; the upper plate 1 and the lower plate 2 are located on the same side of the side plate 3, and form a groove area with the side plate 3.

The reinforcing ribs 5 include a second reinforcing rib 52, a third reinforcing rib 53 and a fourth reinforcing rib 54; the reinforcing ribs 5 further include second reinforcing ribs 52; a first included angle between one end of the second reinforcing rib 52 and the upper plate 1 is an obtuse angle; the first included angle faces the side plate 3; the other end of the second reinforcing rib 52 is located at the junction of the inclined section 21 and the parallel section 22. The reinforcing ribs 5 further include third reinforcing ribs 53; one end of the third reinforcing rib 53 is connected to one end of the second reinforcing rib 52, and the other end of the third reinforcing rib 53 is located at the inclined surface section 21; and a second included angle between the other end of the third reinforcing rib 53 and the inclined plane section 21 is an obtuse angle; the second included angle faces the side plate 3 and has the effect of enhancing the connection strength of the mounting bracket. The reinforcing rib 5 further includes a fourth reinforcing rib 54; the fourth reinforcing ribs 54 are perpendicular to the upper plate 1; one end of the fourth reinforcing bead 54 is located at the parallel section 22. The mounting bracket is formed by an extrusion forming process, and has the advantage of simple forming process.

The installation bracket provided by the embodiment and the installation bracket provided by the embodiment 1 are subjected to CAE analysis, it should be noted that the size and thickness of the installation brackets with the two structures are the same, and the difference is only that the installation positions of the third reinforcing rib 53 in the embodiment and the first reinforcing rib 51 in the embodiment 1 are different, as a result, analysis shows that the local strength of the installation surface is mainly supported and reinforced by the rib in the vertical direction, that is, the first reinforcing rib 51 mainly supports and reinforces, and the structural strength of the installation bracket with the first reinforcing rib 51 is the best.

The application also discloses a front cross beam, which comprises a cross beam body 7 and the mounting bracket; the mounting bracket includes a first end and a second end; the first end is the end close to the side plate 3; the second end is opposite to the first end; the beam body 7 is connected to the second end. The beam body 7 is connected with the second end through the blind rivet, welding is not needed, and cost is low.

The above description is only exemplary of the present application and should not be taken as limiting, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. The mounting bracket is characterized by comprising an upper plate (1), a lower plate (2) and a side plate (3);

one end of the side plate (3) is connected with the upper plate (1), and the other end of the side plate (3) is connected with the lower plate (2);

the upper plate (1) and the lower plate (2) are positioned on the same side of the side plate (3), and a groove area is formed between the upper plate and the side plate (3);

a reinforcing rib (5) is arranged in the groove area, one end of the reinforcing rib (5) is connected with the upper plate (1), and the other end of the reinforcing rib (5) is connected with the lower plate (2);

the upper plate (1) and the lower plate (2) are provided with mounting holes (4) for connecting with parts of an electrical system;

the upper plate (1) is vertical to the side plate (3);

the lower plate (2) comprises a connected slope section (21) and a parallel section (22);

the inclined surface section (21) is close to the side plate (3), and an included angle between the inclined surface section and the side plate (3) is an obtuse angle;

the parallel section (22) is parallel to the upper plate (1).

2. The mounting bracket of claim 1, wherein: the reinforcing ribs (5) comprise first reinforcing ribs (51);

the first reinforcing rib (51) is perpendicular to the upper plate (1), and the first reinforcing rib (51) is close to the mounting hole (4).

3. The mounting bracket of claim 1, wherein: the reinforcing ribs (5) further comprise second reinforcing ribs (52);

a first included angle between one end of the second reinforcing rib (52) and the upper plate (1) is an obtuse angle;

the first included angle faces the side plate (3);

the other end of the second reinforcing rib (52) is positioned at the joint of the inclined plane section (21) and the parallel section (22).

4. The mounting bracket of claim 3, wherein: the reinforcing ribs (5) further comprise third reinforcing ribs (53);

one end of the third reinforcing rib (53) is connected with one end of the second reinforcing rib (52), and the other end of the third reinforcing rib (53) is positioned on the inclined plane section (21);

a second included angle between the other end of the third reinforcing rib (53) and the inclined plane section (21) is an obtuse angle;

the second included angle faces the side plate (3).

5. The mounting bracket of claim 1, wherein: the reinforcing ribs (5) further comprise fourth reinforcing ribs (54);

the fourth reinforcing rib (54) is vertical to the upper plate (1);

one end of the fourth reinforcing bead (54) is located at the parallel section (22).

6. The mounting bracket of claim 1, wherein: the mounting hole (4) and the electrical system spare and accessory parts are connected in a screw connection or riveting mode.

7. A front cross member, characterized by comprising a cross member body (7) and a mounting bracket according to any one of claims 1-6;

the mounting bracket includes a first end and a second end;

the first end is the end close to the side plate (3);

the second end is opposite the first end;

the beam body (7) is connected with the second end.

8. The front cross member of claim 7, wherein: the beam body (7) is connected with the second end in a self-plugging rivet connection mode.

9. A vehicle frame comprising the front cross member of claim 7.