CN222202683U - Frame casting crossbeam - Google Patents
Frame casting crossbeam Download PDFInfo
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- CN222202683U CN222202683U CN202420833415.6U CN202420833415U CN222202683U CN 222202683 U CN222202683 U CN 222202683U CN 202420833415 U CN202420833415 U CN 202420833415U CN 222202683 U CN222202683 U CN 222202683U
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- 238000005266 casting Methods 0.000 title claims abstract description 34
- 239000013585 weight reducing agent Substances 0.000 claims description 3
- 239000003351 stiffener Substances 0.000 claims 1
- 230000003014 reinforcing effect Effects 0.000 description 18
- 238000004519 manufacturing process Methods 0.000 description 11
- 238000005452 bending Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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Abstract
The utility model discloses a frame casting cross beam, and relates to the technical field of frames. The frame casting cross beam comprises a cross beam main body with a cross section in a shape like a Chinese character 'ji' and two connecting flanges, wherein the cross beam main body comprises a first straight section, an inclined section and a second straight section, the inclined section and the second straight section are respectively provided with two, the first straight section and the second straight section are arranged in an up-down parallel mode, the first straight section is positioned between the two second straight sections, the two inclined sections are respectively connected between the first straight section and the corresponding second straight sections, and the two connecting flanges are respectively connected with the end parts of the two second straight sections. The cast cross beam of the frame reduces the number of parts, improves the strength and the rigidity, has the advantages of light weight and high strength, ensures the balance stability of the whole frame, improves the performance of the whole vehicle and reduces the cost.
Description
Technical Field
The utility model relates to the technical field of frames, in particular to a cast cross beam of a frame.
Background
The frame of a motor vehicle generally consists of longitudinal beams and transverse beams, wherein the transverse beams are used for ensuring the torsional rigidity of the frame and bearing longitudinal loads, and therefore, the structural strength and the rigidity of the transverse beams are very important for the stability of the whole vehicle structure.
The existing cross beam is generally formed by adopting a hot-rolled steel plate stamping part structure through rivet or bolt connection, and the bending resistance and torsion resistance of the hot-rolled steel plate are poor, so that the weight of the vehicle body under the heavy load condition is difficult to bear, the cross beam of the structure directly influences the balance stability of the whole vehicle frame, the performance of the whole vehicle is reduced, in addition, the number of parts of the cross beam of the structure is more and heavier, the assembly workload is larger, the production period is long, and the production cost is increased.
Disclosure of utility model
Aiming at the defects existing in the prior art, the utility model provides the frame casting cross beam, which reduces the number of parts, improves the strength and the rigidity, has the advantages of light weight and high strength, ensures the balance stability of the whole frame, improves the performance of the whole vehicle and reduces the cost.
In order to solve the technical problems, the utility model adopts the following technical scheme:
The frame casting cross beam comprises a cross beam main body with a cross section in a shape like a Chinese character 'ji' and two connecting flanges, wherein the cross beam main body comprises a first straight section, an inclined section and a second straight section, the inclined section and the second straight section are respectively provided with two, the first straight section and the second straight section are arranged in an up-down parallel mode, the first straight section is positioned between the two second straight sections, the two inclined sections are respectively connected between the first straight section and the corresponding second straight sections, and the two connecting flanges are respectively connected with the end parts of the two second straight sections.
The first straight section comprises a first straight section top plate, a first straight section side plate and a first straight section bottom plate, wherein the first straight section side plate and the first straight section bottom plate are both provided with two sections, the first straight section top plate and the first straight section bottom plate are arranged in an up-down parallel mode, the first straight section top plate is located between the two first straight section bottom plates, and the two first straight section side plates are respectively connected between the first straight section top plate and the corresponding first straight section bottom plate.
The inclined section comprises an inclined section top plate, inclined section side plates and inclined section bottom plates, wherein the inclined section side plates and the inclined section bottom plates are respectively provided with two inclined section top plates and the inclined section bottom plates are arranged in an up-down parallel mode, the inclined section top plate is located between the two inclined section bottom plates, the two inclined section side plates are respectively connected between the inclined section top plate and the corresponding inclined section bottom plates, the inclined section top plate is connected with the first straight section top plate in an aligned mode, the two inclined section side plates are respectively connected with the two first straight section side plates in an aligned mode, and the two inclined section bottom plates are respectively connected with the two first straight section bottom plates in an aligned mode.
The second straight section comprises a second straight section top plate, second straight section side plates and a second straight section bottom plate, wherein the second straight section side plates and the second straight section bottom plate are respectively provided with two, the second straight section top plate and the second straight section bottom plate are arranged in parallel up and down, the second straight section top plate is positioned between the two second straight section bottom plates, the two second straight section side plates are respectively connected between the second straight section top plate and the corresponding second straight section bottom plate, the second straight section top plate is connected with the inclined section top plate in an aligned manner, the two second straight section side plates are respectively connected with the two inclined section side plates in an aligned manner, and the two second straight section bottom plates are respectively connected with the two inclined section bottom plates in an aligned manner.
The height of the inclined section side plate increases gradually from one end close to the first straight section side plate to one end close to the second straight section side plate.
The width of the inclined section bottom plate increases gradually from one end close to the first straight section bottom plate to one end close to the second straight section bottom plate.
The width of the second straight section bottom plate increases gradually from one end close to the inclined section bottom plate to one end close to the connecting flange.
The connecting flange is also in a shape of a Chinese character 'ji', and comprises a flange upper plate, flange side plates and a flange lower plate, wherein the flange side plates and the flange lower plate are both arranged in two, the flange upper plate and the flange lower plate are arranged up and down, the flange upper plate is positioned between the two flange lower plates, the two flange side plates are respectively connected between the flange upper plate and the corresponding flange lower plate, the flange upper plate is vertically connected with the second straight section top plate, the two flange side plates are respectively vertically connected with the two second straight section side plates, and the two flange lower plates are respectively vertically connected with the two second straight section bottom plates.
Wherein, the inboard of crossbeam main part is provided with the weight-reducing structure.
Wherein, the inboard of crossbeam main part is provided with the strengthening rib structure.
By adopting the technical scheme, the utility model has the beneficial effects that:
1. The frame casting cross beam adopts an integrally formed casting structure, so that the number of parts and the assembly workload are greatly reduced, the lightweight production is realized, the production period is shortened, and the production cost is reduced;
2. The frame casting beam is formed by connecting the first straight section, the two inclined sections and the two second straight sections, wherein the first straight section and the second straight section are arranged in parallel up and down, the first straight section is positioned between the two second straight sections, and the two inclined sections are respectively connected between the first straight section and the corresponding second straight section, so that the whole beam body is arched, the bending strength of the middle part of the beam body is enhanced, and the torsion resistance transformation performance of the two ends of the beam body is enhanced, therefore, the structural strength and the rigidity of the whole frame casting beam are greatly improved, the balance stability of the whole frame is ensured, and the whole vehicle performance is improved;
3. The cross section of the main body of the frame casting cross beam is designed into a shape like a Chinese character 'ji', and a sand core is not required to be arranged during casting, and the casting cross beam is formed by means of die assembly of the upper die and the lower die, so that the casting process is simplified, and the production cost is further reduced.
In summary, the cast cross beam of the vehicle frame reduces the number of parts, improves the strength and the rigidity, has the advantages of light weight and high strength, and reduces the production cost.
Drawings
FIG. 1 is a side view of a cast cross member of a vehicle frame of the present utility model;
FIG. 2 is an isometric view of a cast cross member of the frame of the present utility model;
FIG. 3 is a schematic view of the other side of FIG. 2;
In the figure, 1, a first straight section; 11, a first straight section top plate, 12, a first straight section side plate, 13, a first straight section bottom plate, 2, an inclined section, 21, an inclined section top plate, 22, an inclined section side plate, 23, an inclined section bottom plate, 3, a second straight section, 31, a second straight section top plate, 32, a second straight section side plate, 33, a second straight section bottom plate, 4, a connecting flange, 41, a flange upper plate, 42, a flange side plate, 43, a flange lower plate, 44, a first mounting groove, 45, a second mounting groove, 46, a third mounting groove, 5, a weight reduction groove, 6, a first reinforcing rib structure, 7 and a second reinforcing rib structure.
Detailed Description
For the purpose of making apparent the objects, technical solutions and advantages of the present utility model, the present utility model will be further described in detail with reference to the accompanying drawings and examples, it being understood that the specific examples described herein are for the purpose of illustration only and are not intended to limit the present utility model.
As shown in fig. 1 to 3, the embodiment discloses a vehicle frame casting cross beam, which comprises a cross beam main body with a cross section in a shape like a Chinese character 'ji' and two connecting flanges 4, wherein the cross beam main body comprises a first straight section 1, an inclined section 2 and a second straight section 3, the inclined section 2 and the second straight section 3 are respectively provided with two, the first straight section 1 and the second straight section 3 are vertically arranged in parallel, the first straight section 1 is positioned between the two second straight sections 3, the two inclined sections 2 are respectively connected between the first straight section 1 and the corresponding second straight sections 3, and the two connecting flanges 4 are respectively connected at the end parts of the two second straight sections 3.
The frame casting beam in the embodiment is formed by connecting a first straight section 1, two inclined sections 2 and two second straight sections 3, wherein the first straight section 1 and the second straight sections 3 are arranged in an up-down parallel mode, the first straight section 1 is positioned between the two second straight sections 3, the two inclined sections 2 are respectively connected between the first straight sections 1 and the corresponding second straight sections 3, the whole beam body is arched, bending strength in the middle of the beam body is enhanced, anti-torsion transformation performance at two ends of the beam body is enhanced, therefore, structural strength and rigidity of the whole frame casting beam are greatly improved, balance stability of the whole frame is guaranteed, overall vehicle performance is improved, due to the adoption of an integrally formed casting structure, the number of parts and assembly workload are greatly reduced, light-weight production is realized, production period is shortened, production cost is reduced, and the section of the beam body is designed into a shape like a Chinese character 'ji', and during casting, sand cores are not required to be arranged, and casting technology is simplified, and production cost is further reduced.
The first straight section 1 in this embodiment includes a first straight section top plate 11, a first straight section side plate 12 and a first straight section bottom plate 13, the first straight section side plate 12 and the first straight section bottom plate 13 are both provided with two, the first straight section top plate 11 and the first straight section bottom plate 13 are arranged in parallel up and down, and the first straight section top plate 11 is located between the two first straight section bottom plates 13, and the two first straight section side plates 12 are respectively connected between the first straight section top plate 11 and the corresponding first straight section bottom plate 13. So arranged, the strength and rigidity of the first straight section 1 are ensured.
The inclined section 2 in this embodiment includes an inclined section top plate 21, an inclined section side plate 22 and an inclined section bottom plate 23, both of which are provided with two inclined section side plates 22 and 23, the inclined section top plate 21 and the inclined section bottom plate 23 are arranged in parallel up and down, and the inclined section top plate 21 is located between the two inclined section bottom plates 23, the two inclined section side plates 22 are respectively connected between the inclined section top plate 21 and the corresponding inclined section bottom plate 23, the inclined section top plate 21 is aligned with the first straight section top plate 11, the two inclined section side plates 22 are respectively aligned with the two first straight section side plates 12, and the two inclined section bottom plates 23 are respectively aligned with the two first straight section bottom plates 13. So arranged, the strength and rigidity of the inclined section 2 are ensured.
In this embodiment, the included angle a between the inclined section 2 and the horizontal line is 10-20 °, i.e. the inclined section 2 is inclined downward by 10-20 °, and in this embodiment, the preferred included angle a is 15 °.
To further secure the strength and rigidity of the inclined section 2, it is preferable in this embodiment that the height of the inclined section side plate 22 increases from the end near the first straight section side plate 12 to the end near the second straight section side plate 32.
To further secure the strength and rigidity of the inclined section 2, it is preferable in this embodiment that the width of the inclined section bottom plate 23 increases from the end near the first straight section bottom plate 13 to the end near the second straight section bottom plate 33.
The second straight section 3 in this embodiment includes a second straight section top plate 31, a second straight section side plate 32 and a second straight section bottom plate 33, two second straight section side plates 32 and two second straight section bottom plates 33 are respectively provided, the second straight section top plate 31 and the second straight section bottom plate 33 are arranged in parallel up and down, the second straight section top plate 31 is located between the two second straight section bottom plates 33, the two second straight section side plates 32 are respectively connected between the second straight section top plate 31 and the corresponding second straight section bottom plate 33, the second straight section top plate 31 is aligned and connected with the inclined section top plate 21, the two second straight section side plates 32 are respectively aligned and connected with the two inclined section side plates 22, and the two second straight section bottom plates 33 are respectively aligned and connected with the two inclined section bottom plates 23. So arranged, the strength and rigidity of the second straight section 3 are ensured.
To further secure the strength and rigidity of the second straight section 3, it is preferable in this embodiment that the width of the second straight section bottom plate 33 increases from the end near the inclined section bottom plate 23 to the end near the connecting flange 4.
In this embodiment, all corners of crossbeam main part all adopt the fillet, so set up, both avoided stress concentration, improved the flow condition of liquid and be convenient for drawing of patterns when casting again, simultaneously, the fillet still makes the crossbeam main part more pleasing to the eye.
In this embodiment, the wall thickness of crossbeam main part is even, and thickness scope is 8~10mm, and the specific preference is 8mm, so sets up, has improved material utilization.
In order to reduce the weight of the beam body, the present embodiment provides a weight reduction structure inside the beam body.
Specifically, the weight-reducing structure includes two weight-reducing grooves 5, and since the second straight section 3 is less stressed relative to the first straight section 1, the present embodiment provides two weight-reducing grooves 5 on the two second straight section top plates 31, respectively.
In order to further reduce the weight of the beam body, it is preferred in this embodiment that two weight-reducing channels 5 each extend to a respective inclined segment roof 21.
In this embodiment, the depth range of the weight-reducing groove 5 is 2-3 mm, and particularly preferably 2mm, and in practical application, the depth of the weight-reducing groove 5 may be set according to specific conditions, which is not limited in this embodiment.
In order to further improve the strength and rigidity of the beam body, the present embodiment provides a reinforcing rib structure on the inner side of the beam body.
The reinforcing rib structure in this embodiment includes a first reinforcing rib structure 6 and two second reinforcing rib structures 7, the two second reinforcing rib structures 7 are symmetrically arranged on both sides of the first reinforcing rib structure 6, the first reinforcing rib structure 6 is arranged between a first straight-section top plate 11 and two first straight-section side plates 12, the first reinforcing rib structure 6 is in an "X" shape, the height of the first reinforcing rib structure 6 increases gradually from the center portion thereof to the end portions close to the two first straight-section side plates 12, the second reinforcing rib structure 7 is arranged between an inclined-section top plate 21 and two inclined-section side plates 22, the second reinforcing rib structure 7 is in a "K" shape, and the height of the second reinforcing rib structure 7 increases gradually from the center portion thereof to the end portions close to the two inclined-section side plates 22.
In this embodiment, the thickness of the first reinforcing rib structure 6 and the second reinforcing rib structure 7 is uniform, the thickness range is 4-6 mm, and in order to ensure the material utilization rate, the thickness of both the first reinforcing rib structure and the second reinforcing rib structure is preferably 5mm.
The connecting flange 4 in this embodiment is also in a shape of a Chinese character 'ji', and comprises an upper flange plate 41, a side flange plate 42 and a lower flange plate 43, wherein the two side flange plates 42 and the two lower flange plates 43 are respectively arranged, the upper flange plate 41 and the lower flange plate 43 are arranged up and down, the upper flange plate 41 is positioned between the two lower flange plates 43, the two side flange plates 42 are respectively connected between the upper flange plate 41 and the corresponding lower flange plate 43, the upper flange plate 41 is vertically connected with the second straight top plate 31, the two side flange plates 42 are respectively vertically connected with the two second straight side plates 32, and the two lower flange plates 43 are respectively vertically connected with the two second straight bottom plates 33. By the arrangement, the material utilization rate is improved, and the attractive effect of the cast cross beam of the vehicle frame is ensured.
In the embodiment, one side of the connecting flange 4 far away from the second straight section 3 is used for being attached to a frame rail, one side of the connecting flange 4 near the second straight section 3 is provided with a mounting groove structure for preventing a bolt gasket from interfering with the connecting flange 4, the mounting groove structure comprises a first mounting groove 44 arranged on a flange upper plate 41, a second mounting groove 45 arranged on a flange side plate 42 and a third mounting groove 46 arranged on a flange lower plate 43, and flange holes of the connecting flange 4 are arranged in the first mounting groove 44, the second mounting groove 45 and the third mounting groove 46.
In this embodiment, the connection department between second straight section 3 and flange 4 also adopts the fillet, so set up, both avoided stress concentration, still improved the flow condition of liquid and be convenient for drawing of patterns when casting again, simultaneously, the fillet still makes frame casting crossbeam more pleasing to the eye.
The above is a preferred embodiment of the frame casting beam of the present utility model, and further embodiments are not described herein, so in summary, the frame casting beam of the present utility model reduces the number of parts, improves the strength, has the advantages of light weight and high strength, not only ensures the balance stability of the whole frame, improves the performance of the whole vehicle, but also reduces the cost.
The present utility model is not limited to the above-described specific embodiments, and various modifications made by those skilled in the art without inventive efforts from the above-described concept are within the scope of the present utility model.
Claims (10)
1. A cast cross beam of a vehicle frame is characterized by comprising a cross beam main body with a cross section in a shape like a Chinese character 'ji' and two connecting flanges,
The beam main body comprises a first straight section, an inclined section and a second straight section, wherein the inclined section and the second straight section are respectively provided with two sections, the first straight section and the second straight section are arranged in parallel up and down, the first straight section is positioned between the two second straight sections, the two inclined sections are respectively connected between the first straight section and the corresponding second straight section, and the two connecting flanges are respectively connected to the end parts of the two second straight sections.
2. The vehicle frame casting cross beam of claim 1, wherein the first straight section comprises a first straight section top plate, a first straight section side plate and a first straight section bottom plate, the first straight section side plate and the first straight section bottom plate are both provided with two, the first straight section top plate and the first straight section bottom plate are arranged in an up-down parallel manner, the first straight section top plate is located between the two first straight section bottom plates, and the two first straight section side plates are respectively connected between the first straight section top plate and the corresponding first straight section bottom plate.
3. The vehicle frame casting beam according to claim 2, wherein the inclined section comprises an inclined section top plate, inclined section side plates and inclined section bottom plates, the inclined section side plates and the inclined section bottom plates are arranged in parallel, the inclined section top plate and the inclined section bottom plates are arranged in an up-down direction, the inclined section top plate is arranged between the two inclined section bottom plates, the two inclined section side plates are respectively connected between the inclined section top plate and the corresponding inclined section bottom plates, the inclined section top plate is in aligned connection with the first straight section top plate, the two inclined section side plates are respectively in aligned connection with the two first straight section side plates, and the two inclined section bottom plates are respectively in aligned connection with the two first straight section bottom plates.
4. The frame casting beam according to claim 3, wherein the second straight section comprises a second straight section top plate, a second straight section side plate and a second straight section bottom plate, the second straight section side plate and the second straight section bottom plate are respectively provided with two, the second straight section top plate and the second straight section bottom plate are arranged in parallel up and down, the second straight section top plate is positioned between the two second straight section bottom plates, the two second straight section side plates are respectively connected between the second straight section top plate and the corresponding second straight section bottom plate, the second straight section top plate is respectively connected with the inclined section top plate in an aligned manner, the two second straight section side plates are respectively connected with the two inclined section side plates in an aligned manner, and the two second straight section bottom plates are respectively connected with the two inclined section bottom plates in an aligned manner.
5. The vehicle frame casting rail of claim 4 wherein the height of the angled section side plates increases from an end proximate the first straight section side plate to an end proximate the second straight section side plate.
6. The vehicle frame casting rail of claim 4 wherein the width of the sloped section floor increases from an end proximate the first straight section floor to an end proximate the second straight section floor.
7. The vehicle frame casting rail of claim 4 wherein the width of the second straight section floor increases from an end proximate the sloped section floor to an end proximate the attachment flange.
8. The frame casting beam according to claim 4, wherein the connecting flange is also in a shape of a Chinese character 'ji', and comprises a flange upper plate, a flange side plate and a flange lower plate, wherein the flange side plate and the flange lower plate are both arranged in an up-down manner, the flange upper plate is positioned between the two flange lower plates, the two flange side plates are respectively connected between the flange upper plate and the corresponding flange lower plates, the flange upper plate is vertically connected with the second straight section top plate, the two flange side plates are respectively vertically connected with the two second straight section side plates, and the two flange lower plates are respectively vertically connected with the two second straight section bottom plates.
9. The vehicle frame casting rail of claim 1, wherein the rail body is provided inboard with a weight reduction structure.
10. The vehicle frame casting rail of claim 1, wherein the rail body is provided with a stiffener structure on an inner side thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420833415.6U CN222202683U (en) | 2024-04-19 | 2024-04-19 | Frame casting crossbeam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420833415.6U CN222202683U (en) | 2024-04-19 | 2024-04-19 | Frame casting crossbeam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222202683U true CN222202683U (en) | 2024-12-20 |
Family
ID=93862308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420833415.6U Active CN222202683U (en) | 2024-04-19 | 2024-04-19 | Frame casting crossbeam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222202683U (en) |
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2024
- 2024-04-19 CN CN202420833415.6U patent/CN222202683U/en active Active
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