CN213920589U

CN213920589U - Cross beam reinforced inverted-V-shaped torsion beam

Info

Publication number: CN213920589U
Application number: CN202022783786.2U
Authority: CN
Inventors: 韦友; 韦鹏; 陈衍标; 韦世科; 马果
Original assignee: Liuzhou Wuling Automobile Industry Co Ltd; Guangxi Automobile Group Co Ltd
Current assignee: Liuzhou Wuling Automobile Industry Co Ltd; Liuzhou Wuling Motors Co Ltd; Guangxi Automobile Group Co Ltd
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2021-08-10
Anticipated expiration: 2030-11-26

Abstract

The utility model provides a few style of calligraphy torsion beam that crossbeam was strengthened, include: the device comprises a cross beam and two longitudinal arms which are symmetrically arranged at two ends of the cross beam, wherein two ends of the cross beam are respectively and fixedly connected with the two longitudinal arms, two lining sleeves are symmetrically arranged at the upper ends of the two longitudinal arms, and two shaft neck mounting brackets, two shock absorber mounting brackets and two spring mounting discs are symmetrically arranged at the lower ends of the two longitudinal arms; two ends of the cross beam are also provided with two reinforcing plates which are symmetrically arranged, one end of each reinforcing plate is fixedly connected with the longitudinal arm, and the other end of each reinforcing plate is fixedly connected with the cross beam; the utility model provides a few style of calligraphy twist beam that crossbeam was strengthened has kept the biography power and the transfer moment approach of side, unloads power through the arch elasticity of self to combine end welding seam release dispersion stress, guaranteed the structural strength and the torsional rigidity performance of a few style of calligraphy twist beam effectively, its simple structure, formability are good, good process, welding matching are good, alleviate weight and reduce cost effectively.

Description

Cross beam reinforced inverted-V-shaped torsion beam

Technical Field

The utility model belongs to the technical field of the vehicle, concretely relates to how many style of calligraphy torsion beam of crossbeam enhancement.

Background

The torsion beam is used as a chassis rear suspension, is used for connecting a vehicle body and a tire, plays a role in guiding, can bear the force and the moment of an elastic element, a shock absorber and a buffer block, and has the function of a transverse stabilizer bar. The torsion beam suspension works on the principle that non-independently suspended wheels are mounted at two ends of a torsion beam. When the wheels on one side jump up and down, the torsion beam can jump around the axes of the two bushings, so that the wheels on the other side are driven to jump correspondingly, and the inclination or the swing of the whole vehicle body is reduced. Because the stabilizer has certain torsional rigidity, the stabilizer can play the same role as the transverse stabilizer bar, can increase the roll rigidity of the vehicle and improve the roll stability of the vehicle. According to the structural shape classification of the cross beam, the current torsion beam mainly comprises six structures of a V-shaped open beam, a U-shaped open beam, a V-shaped closed cross beam type torsion beam, a C-shaped open beam, a V-shaped closed cross beam type torsion beam and a U-shaped closed cross beam type torsion beam. Of the six structures, the combined contributions of performance, cost, process and light weight of the n-shaped opening beam are optimal, and the n-shaped opening beam is widely applied to the upper steam market.

The cross section of the beam of the inverted V-shaped torsion beam is inverted V-shaped, and the torsional rigidity contribution coefficient of the beam is large. However, in order to match performance and light weight, the thickness of the beam is usually selected to be thinner (the torsional rigidity is reduced at the moment, and the weight reduction effect of the beam is obvious at the moment), and meanwhile, the torsional rigidity of the inverted-V-shaped torsion beam is improved by adding a beam reinforcing plate with smaller weight in the inverted-V-shaped beam; therefore, the total weight of the torsion beam in the shape of the Chinese character 'ji' is reduced on the premise that the torsional rigidity is not changed. In the existing torsion beam shaped like a Chinese character 'ji' in the market, a cross beam reinforcing plate is of a structure with two side surface turned faces, a large molded surface at the bottom of a part is provided with a convex rib or a slotted convex hull, and the problems of complicated part structure, larger stamping forming difficulty, high technological requirement, difficult welding matching, large weight and higher cost exist.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a few style of calligraphy twist beam that crossbeam was strengthened aims at increasing the less crossbeam reinforcing plate of weight through the inside of few style of calligraphy crossbeams to improve several style of calligraphy twist beam's torsional rigidity.

For realizing above-mentioned technical purpose, reach above-mentioned technological effect, the utility model discloses a following technical scheme realizes:

the utility model provides a few style of calligraphy torsion beam that crossbeam was strengthened, include:

the device comprises a cross beam and two longitudinal arms which are symmetrically arranged at two ends of the cross beam, wherein two ends of the cross beam are respectively and fixedly connected with the two longitudinal arms, two lining sleeves are symmetrically arranged at the upper ends of the two longitudinal arms, and two shaft neck mounting brackets, two shock absorber mounting brackets and two spring mounting discs are symmetrically arranged at the lower ends of the two longitudinal arms;

two symmetrically arranged reinforcing plates are further arranged at two ends of the cross beam, one end of each reinforcing plate is fixedly connected with the longitudinal arm, and the other end of each reinforcing plate is fixedly connected with the cross beam.

As the utility model discloses a further improvement, the cross-section of crossbeam is nearly style of calligraphy structure, the both sides of reinforcing plate are cut edge and crossbeam overlap joint, the end of reinforcing plate is equipped with U type welding seam, the reinforcing plate passes through the U type welding seam and the crossbeam welded fastening of end department.

As a further improvement of the present invention, the outer surface of the reinforcing plate is divided into two sections, one section of the outer surface is a smooth surface, the other section of the outer surface is an arched elastic curved surface, and the included angle theta between the arched elastic curved surface and the smooth surface is 148 degrees +/-15 degrees.

The utility model has the advantages that:

the utility model provides a how nearly style of calligraphy torsion beam that crossbeam was strengthened catches and has kept the biography power and the transfer moment approach of side, has seized fatigue sensitivity simultaneously, unloads power through the arch elasticity of self to combine end welding seam release dispersion stress, guaranteed the structural strength and the torsional rigidity performance of nearly style of calligraphy torsion beam effectively, its simple structure, formability are good, good process, welding matching are good, alleviate weight and reduce cost effectively.

Drawings

Fig. 1 is a schematic three-dimensional structure diagram of a cross-shaped torsion beam according to the present invention;

fig. 2 is a front view of the inverted-v-shaped torsion beam according to the present invention;

FIG. 3 is a schematic view of the position of the U-shaped weld joint according to the present invention;

FIG. 4 is a schematic cross-sectional view taken along A-A of FIG. 2;

fig. 5 is a schematic cross-sectional view of a cross beam according to the present invention.

In the figure: 101-beam, 102-trailing arm, 103-reinforcing plate, 1031-smooth surface, 1032-arched elastic surface, 1033-U-shaped welding seam, 104-bushing pipe, 105-journal mounting bracket, 106-spring mounting disk and 107-shock absorber mounting bracket.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly apparent, the present invention is further described in detail by the following embodiments with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

The embodiment of the utility model provides a few style of calligraphy twist beam that crossbeam was strengthened, as shown in fig. 1 and fig. 2:

the cross beam 101 and the two trailing arms 102 are symmetrically arranged at two ends of the cross beam 101, the cross section of the cross beam 101 is of a structure like a Chinese character 'ji', two ends of the cross beam 101 are respectively and fixedly connected with the two trailing arms 102, two bushing pipes 104 are symmetrically arranged at the upper ends of the two trailing arms 102, and two journal mounting brackets 105, two shock absorber mounting brackets 107 and two spring mounting discs 106 are symmetrically arranged at the lower ends of the two trailing arms 102;

two ends of the cross beam 101 are further provided with two reinforcing plates 103 which are symmetrically arranged, the reinforcing plates 103 are used for improving the torsional rigidity of the torsion beam in the shape like the Chinese character 'ji', the arrangement of the reinforcing plates 103 realizes that the total weight of the torsion beam in the shape like the Chinese character 'ji' is reduced on the premise that the torsional rigidity is not changed, one end of each reinforcing plate 103 is fixedly connected with the longitudinal arm 102, and the fixed connection mode can be welding or bolt fixing; the other end of the reinforcing plate 103 is fixedly connected to the cross member 101.

In one embodiment, as shown in fig. 3 and 5, the cross section of the cross beam 101 is a structure shaped like a Chinese character 'ji', both sides of the reinforcing plate 103 are not turned over, both side cut edges of the reinforcing plate 103 are directly overlapped with the cross beam 101, a force transfer and moment transfer path of the side edges is reserved, the structure is more simplified, the forming difficulty of parts is greatly reduced, and the weight of the parts is reduced; the U-shaped welding seam 1033 is arranged at the end position of the reinforcing plate 103, the reinforcing plate 103 is fixedly welded with the cross beam 101 through the U-shaped welding seam 103 at the end position, the U-shaped welding seam 1033 can release and disperse stress, the influence of a notch coefficient on fatigue durability is effectively relieved, and the welding seam strength and the fatigue durability of the multi-shaped torsion beam are guaranteed.

In some embodiments, as shown in fig. 4, the outer surface of the stiffener plate 103 is divided into two sections, one section of the outer surface is a smooth surface 1031, the other section of the outer surface is an arched elastic curved surface 1032, and an included angle θ between the arched elastic curved surface 1032 and the smooth surface 1031 is 148 ° ± 15 °, so that within this angle range, an elastic force and moment transmission path is provided to the utmost by the arched elastic curved surface 1032, thereby effectively avoiding the direct transmission of force and reducing the stress at the end of the stiffener plate 103.

Reference in the specification to "some embodiments," "one embodiment," or "an embodiment," etc., means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment. Thus, the appearances of the phrases "in some embodiments," "in one embodiment," or "in an embodiment," or the like, in various places throughout this specification are not necessarily referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. Thus, a particular feature, structure, or characteristic illustrated or described in connection with one embodiment may be combined, in whole or in part, with a feature, structure, or characteristic of one or more other embodiments without limitation, as long as the combination is not logical or operational. Additionally, the various elements of the drawings of the present application are merely schematic illustrations and are not drawn to scale.

Having thus described several aspects of at least one embodiment of this invention, it is to be appreciated various alterations, modifications, and improvements will readily occur to those skilled in the art. Such alterations, modifications, and improvements are intended to be within the spirit and scope of the invention.

Claims

1. The utility model provides a few style of calligraphy twist beam of crossbeam reinforcing which characterized in that: the method comprises the following steps:

2. A beam reinforced inverted-v twist beam as defined in claim 1, wherein: the cross-section of crossbeam is the structure of nearly style of calligraphy, the both sides side cut and the crossbeam overlap joint of reinforcing plate, the end of reinforcing plate is equipped with U type welding seam, the reinforcing plate passes through the U type welding seam and crossbeam welded fastening of end department.

3. A beam-reinforced inverted-F torsion beam according to claim 1 or 2, wherein: the outer surface of the reinforcing plate is divided into two sections, one section of the outer surface is a smooth surface, the other section of the outer surface is an arched elastic curved surface, and the included angle theta between the arched elastic curved surface and the smooth surface is 148 degrees +/-15 degrees.