CN111845944A - Frame cross beam assembly - Google Patents
Frame cross beam assembly Download PDFInfo
- Publication number
- CN111845944A CN111845944A CN202010900867.8A CN202010900867A CN111845944A CN 111845944 A CN111845944 A CN 111845944A CN 202010900867 A CN202010900867 A CN 202010900867A CN 111845944 A CN111845944 A CN 111845944A
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- CN
- China
- Prior art keywords
- wing plate
- plate
- connecting portion
- frame
- fixedly connected
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- 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.)
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/15—Understructures, i.e. chassis frame on which a vehicle body may be mounted having impact absorbing means, e.g. a frame designed to permanently or temporarily change shape or dimension upon impact with another body
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D27/00—Connections between superstructure or understructure sub-units
- B62D27/02—Connections between superstructure or understructure sub-units rigid
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Rod-Shaped Construction Members (AREA)
Abstract
A frame beam assembly comprises a beam body, wherein the beam body is a channel beam and comprises an upper wing plate, a lower wing plate and a web plate positioned between the upper wing plate and the lower wing plate; the outer sides of the four end parts of the upper wing plate and the lower wing plate are fixedly connected with main connecting plates, and the two main connecting plates positioned at the same end of the upper wing plate and the lower wing plate are arranged in a mirror symmetry mode; the outer sides of the two end parts of the web plate are fixedly connected with auxiliary connecting plates; the main connecting plate and the auxiliary connecting plate are respectively provided with a plurality of first mounting holes and second mounting holes which are used for being connected with a longitudinal beam of the frame. The invention can improve the stress transfer effect of the frame cross beam, balance the stress transfer, reduce the stress concentration, improve the integral rigidity and reduce the cracking risk of the whole frame.
Description
Technical Field
The invention relates to the technical field of automobile parts, in particular to a frame cross beam assembly.
Background
The frame is a more critical part in the whole automobile, and the frame is used as a bearing body of each part of the automobile, bears the weight of each part, and bears the impact, the distortion, the inertia force and the like in the driving process. The beam assembly of the frame is a key part of the frame, and provides mounting points for other main parts on the basis of ensuring the rigidity of the frame.
The existing beam assembly needs to bear large bending stress, the connecting pieces with L-shaped structures are adopted for stress transmission, the rigidity of the bending parts is poor, deformation is easily generated in the stress process, stress concentration is caused, and the whole frame has cracking risk; meanwhile, the connecting pieces are positioned on two sides of the longitudinal beam, so that the stress intensity of the middle part of the longitudinal beam is greater than that of the two sides, uneven stress transmission is caused, and the whole stress balance of the longitudinal beam is influenced.
Therefore, there is a need for a cross-frame beam assembly that can balance transmitted stresses, reduce stress concentrations, and prevent deformation.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the frame cross beam assembly can improve the stress transfer effect of the frame cross beam, balance stress transfer, reduce stress concentration, improve overall rigidity and reduce the cracking risk of the whole frame.
In order to solve the technical problems, the technical scheme of the invention is as follows:
a frame beam assembly comprises a beam body, wherein the beam body is a channel beam and comprises an upper wing plate, a lower wing plate and a web plate positioned between the upper wing plate and the lower wing plate;
the outer sides of the four end parts of the upper wing plate and the lower wing plate are fixedly connected with main connecting plates, and the two main connecting plates positioned at the same end of the upper wing plate and the lower wing plate are arranged in a mirror symmetry mode;
the outer sides of the two end parts of the web plate are fixedly connected with auxiliary connecting plates;
the main connecting plate and the auxiliary connecting plate are respectively provided with a plurality of first mounting holes and second mounting holes which are used for being connected with a longitudinal beam of the frame.
Preferably, the main connecting plate comprises a cross beam connecting part and a longitudinal beam connecting part which are arranged vertically to each other;
the beam connecting part is of a trapezoidal structure which gradually narrows from one end close to the longitudinal beam connecting part to one end far away from the longitudinal beam connecting part, and a plurality of first lightening holes are formed in the beam connecting part and the longitudinal beam connecting part;
the diagonal draw bars are arranged at right-angle joints of two ends of the longitudinal beam connecting portion and the transverse beam connecting portion, and are perpendicular to the transverse beam connecting portion and the longitudinal beam connecting portion at the same time.
Preferably, the outer edge of the beam connecting part is vertically bent and extended to form a first extending part and a second extending part respectively, and the first extending part and the second extending part are fixedly connected with the diagonal draw bars respectively.
Preferably, the beam connecting part is provided with a third mounting hole connected with the beam body, and the inner side surface of the beam connecting part is provided with a beam limiting device;
the crossbeam stop device is T-shaped structure, and the crossbeam stop device is arranged around the outer side of the third mounting hole.
Preferably, a plurality of reinforcing blocks which are parallel to the diagonal draw bars are arranged between the inner side surface of the cross beam connecting part and the inner side surface of the longitudinal beam connecting part.
Preferably, the auxiliary connecting plate comprises a first connecting part fixedly connected with the web, a second connecting part fixedly connected with the longitudinal beam, and a third connecting part obliquely arranged between the first connecting part and the second connecting part;
and the first connecting part is provided with a plurality of fourth mounting holes.
Preferably, a plurality of second lightening holes are formed in the web plate.
After the technical scheme is adopted, the invention has the beneficial effects that:
according to the invention, the main connecting plate and the auxiliary connecting plate are arranged and are fixedly connected with the longitudinal beam at the same time, so that the stress of the longitudinal beam can be uniformly transferred, and the stress concentration is reduced; according to the invention, the main connecting plate comprises the beam connecting part and the longitudinal beam connecting part, the diagonal ribs are arranged at the right-angle connecting parts of the two ends of the longitudinal beam connecting part and the beam connecting part, and the diagonal ribs, the longitudinal beam connecting part and the beam connecting part form a dustpan-type structure together, so that the rigidity is greatly improved, and the rigidity of the whole frame is obviously improved.
According to the invention, the outer edge of the cross beam connecting part is vertically bent and extended to form the first extending part and the second extending part respectively, the first extending part and the second extending part are fixedly connected with the diagonal draw bars respectively, and the stress transmitted by the diagonal draw bars can be transmitted to the cross beam body by the first extending part and the second extending part in time, so that the rigidity strength of the cross beam connecting part is enhanced, and the rigidity is further improved.
According to the invention, the beam limiting device is arranged on the inner side surface of the beam connecting part, and can limit the beam body when the main connecting plate is installed on the beam body, so that the longitudinal and transverse positions of the beam body are limited, the installation hole in the beam body is aligned with the third installation hole in the main connecting plate, the installation by personnel is facilitated, and the installation efficiency is improved.
According to the invention, the plurality of reinforcing blocks which are parallel to the diagonal draw bars are arranged between the inner side surface of the cross beam connecting part and the inner side surface of the longitudinal beam connecting part, and the arrangement of the reinforcing blocks further improves the rigidity strength of the bending part of the cross beam connecting part and the longitudinal beam connecting part to prevent deformation.
In conclusion, the frame cross beam assembly provided by the invention can improve the stress transfer effect of the frame cross beam, balance stress transfer, reduce stress concentration, improve overall rigidity and reduce the cracking risk of the whole frame; meanwhile, the assembling speed of the main connecting plate and the cross beam can be increased, the assembling is convenient, the assembling efficiency is improved, the dislocation probability is reduced, and time and labor are saved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of the structure of FIG. 1 assembled to a stringer;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is an exploded view of FIG. 3;
FIG. 5 is a schematic structural view of the main connection plate of FIG. 1;
FIG. 6 is a schematic structural view of the beam of FIG. 1;
FIG. 7 is a schematic structural view of the sub-link plate of FIG. 1;
in the figure:
the transverse beam comprises a transverse beam body 1, an upper wing plate 11, a lower wing plate 12, a web plate 13, a second lightening hole 14, a main connecting plate 2, a transverse beam connecting part 21, a longitudinal beam connecting part 22, a first lightening hole 23, a diagonal rib 24, a first extending part 25, a second extending part 26, a transverse beam limiting device 27, a reinforcing block 28, an auxiliary connecting plate 3, a first connecting part 31, a second connecting part 32, a third connecting part 33, a first mounting hole 41, a second mounting hole 42, a third mounting hole 43, a fourth mounting hole 44 and a longitudinal beam 5.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1, 2, 4 and 6, the present invention includes a beam body 1, the beam body 1 is a channel beam, the beam body 1 includes an upper wing plate 11, a lower wing plate 12 and a web plate 13 located between the upper wing plate 11 and the lower wing plate 12, and the web plate 13 is provided with a plurality of second lightening holes 14.
The outer sides of the four end parts of the upper wing plate 11 and the lower wing plate 12 are fixedly connected with main connecting plates 2, and the two main connecting plates 2 located at the same end of the upper wing plate 11 and the lower wing plate 13 are arranged in a mirror symmetry mode.
The outer sides of the two end parts of the web 13 are fixedly connected with auxiliary connecting plates 3.
The main connecting plate 2 and the auxiliary connecting plate 3 are respectively provided with a plurality of first mounting holes 41 and second mounting holes 42 which are used for being connected with longitudinal beams of a frame.
According to the invention, the main connecting plate 2 and the auxiliary connecting plate 3 are arranged, and the main connecting plate 2 and the auxiliary connecting plate 3 are simultaneously and fixedly connected with the longitudinal beam 5, so that the stress of the longitudinal beam 5 can be uniformly transferred, and the stress concentration is reduced.
As shown in fig. 3 and 5, the main link plate 2 includes a cross member link 21 and a side member link 22 that are provided perpendicular to each other.
The beam connecting portion 21 is a trapezoidal structure which gradually narrows from one end close to the longitudinal beam connecting portion 22 to one end far away from the longitudinal beam connecting portion 22, and a plurality of first lightening holes 23 are formed in the beam connecting portion 21 and the longitudinal beam connecting portion 22.
The right-angle joints of the two ends of the longitudinal beam connecting part 22 and the transverse beam connecting part 21 are provided with diagonal braces 24, and the diagonal braces 24 are perpendicular to the transverse beam connecting part 21 and the longitudinal beam connecting part 22 simultaneously.
In the invention, the diagonal draw bars 24, the longitudinal beam connecting parts 22 and the beam connecting parts 21 form a dustpan type structure together, so that the rigidity is greatly improved, and the rigidity of the whole frame is obviously improved.
As shown in fig. 5, the outer edge of the beam connecting portion 21 is vertically bent and extended to form a first extending portion 25 and a second extending portion 26, and the first extending portion 25 and the second extending portion 26 are fixedly connected to the stay bar 24. The first extension portion 25 and the second extension portion 26 can transmit the stress transmitted by the diagonal brace 24 to the beam body 1 in time, thereby enhancing the rigidity strength of the beam connecting portion 21 and further improving the rigidity.
The beam connecting portion 21 is provided with a third mounting hole 43 connected with the beam body 1, the inner side surface of the beam connecting portion 21 is provided with a beam limiting device 27, the beam limiting device 27 is of a T-shaped structure, and the beam limiting device 27 is arranged on the outer side of the third mounting hole 43 in a surrounding mode. The beam limiting device 27 is fixedly connected with the inner side surface of the beam connecting part 21, such as welded. When the main connecting plate 2 is installed on the beam body 1, the beam limiting device 27 can limit one end of the beam body 1, limit the longitudinal and transverse positions of the beam body 1, enable the mounting hole in the beam body 1 to be aligned with the third mounting hole 43 in the main connecting plate 2, facilitate installation of personnel and improve the installation efficiency.
A plurality of reinforcing blocks 28 which are parallel to the diagonal braces 24 are arranged between the inner side surface of the beam connecting part 21 and the inner side surface of the longitudinal beam connecting part 22. The provision of the reinforcing block 28 further improves the rigidity and strength of the bent portion between the beam connecting portion 21 and the side member connecting portion 22, thereby preventing deformation.
As shown in fig. 7, the auxiliary connecting plate 3 includes a first connecting portion 31 fixedly connected to the web 13, a second connecting portion 32 fixedly connected to the longitudinal beam 5, and a third connecting portion 33 obliquely disposed between the first connecting portion 31 and the second connecting portion 32, and the first connecting portion 31 is provided with a plurality of fourth mounting holes 44 for fixedly connecting to the web 13.
In conclusion, the frame cross beam assembly provided by the invention can improve the stress transfer effect of the frame cross beam, balance stress transfer, reduce stress concentration, improve overall rigidity and reduce the cracking risk of the whole frame; meanwhile, the assembling speed of the main connecting plate and the cross beam can be increased, the assembling is convenient, the assembling efficiency is improved, the dislocation probability is reduced, and time and labor are saved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. A frame beam assembly comprises a beam body, and is characterized in that the beam body is a channel beam, and comprises an upper wing plate, a lower wing plate and a web plate positioned between the upper wing plate and the lower wing plate;
the outer sides of the four end parts of the upper wing plate and the lower wing plate are fixedly connected with main connecting plates, and the two main connecting plates positioned at the same end of the upper wing plate and the lower wing plate are arranged in a mirror symmetry mode;
the outer sides of the two end parts of the web plate are fixedly connected with auxiliary connecting plates;
the main connecting plate and the auxiliary connecting plate are respectively provided with a plurality of first mounting holes and second mounting holes which are used for being connected with a longitudinal beam of the frame.
2. The cross-frame beam assembly of claim 1, wherein said main link plate includes a cross-member link portion and a side-member link portion disposed perpendicular to each other;
the beam connecting part is of a trapezoidal structure which gradually narrows from one end close to the longitudinal beam connecting part to one end far away from the longitudinal beam connecting part, and a plurality of first lightening holes are formed in the beam connecting part and the longitudinal beam connecting part;
the diagonal draw bars are arranged at right-angle joints of two ends of the longitudinal beam connecting portion and the transverse beam connecting portion, and are perpendicular to the transverse beam connecting portion and the longitudinal beam connecting portion at the same time.
3. The cross-member assembly according to claim 2, wherein the outer edge of the cross-member connecting portion is bent and extended vertically to form a first extending portion and a second extending portion, and the first extending portion and the second extending portion are respectively and fixedly connected to the stay bars.
4. The frame rail assembly of claim 2, wherein the rail connecting portion is provided with a third mounting hole connected to the rail body, and an inner side surface of the rail connecting portion is provided with a rail limiting device;
the crossbeam stop device is T-shaped structure, and the crossbeam stop device is arranged around the outer side of the third mounting hole.
5. The cross-car frame assembly of claim 2, wherein a plurality of reinforcing blocks are disposed between the inner side surfaces of the cross-car connecting portions and the inner side surfaces of the longitudinal-car connecting portions, and the reinforcing blocks are parallel to the diagonal braces.
6. The cross-frame beam assembly of claim 1, wherein the secondary connecting plate includes a first connecting portion fixedly connected to the web, a second connecting portion fixedly connected to the side rail, and a third connecting portion diagonally disposed between the first connecting portion and the second connecting portion;
and the first connecting part is provided with a plurality of fourth mounting holes.
7. The frame rail assembly of claim 1, wherein said web defines a plurality of second lightening holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010900867.8A CN111845944A (en) | 2020-09-01 | 2020-09-01 | Frame cross beam assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010900867.8A CN111845944A (en) | 2020-09-01 | 2020-09-01 | Frame cross beam assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111845944A true CN111845944A (en) | 2020-10-30 |
Family
ID=72967881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010900867.8A Withdrawn CN111845944A (en) | 2020-09-01 | 2020-09-01 | Frame cross beam assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111845944A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115556793A (en) * | 2022-09-19 | 2023-01-03 | 中车青岛四方机车车辆股份有限公司 | Under-vehicle equipment hanging structure and rail vehicle |
-
2020
- 2020-09-01 CN CN202010900867.8A patent/CN111845944A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115556793A (en) * | 2022-09-19 | 2023-01-03 | 中车青岛四方机车车辆股份有限公司 | Under-vehicle equipment hanging structure and rail vehicle |
| CN115556793B (en) * | 2022-09-19 | 2023-08-25 | 中车青岛四方机车车辆股份有限公司 | Under-car equipment hanging structure and railway vehicle |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20201030 |