CN210478817U - Groove-shaped cross beam of commercial vehicle - Google Patents
Groove-shaped cross beam of commercial vehicle Download PDFInfo
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- CN210478817U CN210478817U CN201921150770.9U CN201921150770U CN210478817U CN 210478817 U CN210478817 U CN 210478817U CN 201921150770 U CN201921150770 U CN 201921150770U CN 210478817 U CN210478817 U CN 210478817U
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Abstract
A groove-shaped cross beam of a commercial vehicle relates to a frame component transversely arranged on the vehicle, and is a groove-shaped structure enclosed by an upper wing surface (1), a lower wing surface (3) and a ventral surface (2), the lower airfoil surface (3) consists of two flat airfoil surfaces (31) and a circular arch airfoil surface (32), the circular arch-shaped airfoil surface (32) is respectively tangent with the two flat airfoil surfaces (31), one side of the upper airfoil surface (1) parallel to the ventral surface (2) is an upper airfoil surface outer edge (11), the middle section of the outer edge (11) of the upper wing surface is bent towards the ventral surface (2), the length and the width of the upper wing surface (1) and the lower wing surface (3) are consistent, the ventral surface (2) consists of two flat ventral surfaces (22) and a circular arch ventral surface (21), the flat ventral surface (22) is positioned at two ends of the ventral surface (2), and two ends of the upper airfoil surface (1) and the lower airfoil surface (3) are provided with connecting plate mounting holes (4). The cross beam has better middle and rear axle trafficability characteristic, light weight and convenient assembly.
Description
Technical Field
The utility model relates to a frame member of transverse arrangement of vehicle, concretely relates to commercial car cell type crossbeam.
Background
The commercial vehicle frame is used as a base body of the whole vehicle and a main stressed part is a carrier for connecting other assemblies and parts, and is required to bear various devices, various loads from the inside and the outside of the vehicle and complex impact loads caused by concave-convex roads in the using process. Chinese patent grant publication no: CN 202071887U, authorized announcement date: 12/14/2011, patent name: the patent refers to the field of 'stamping integral cross-members for heavy-duty vehicles'. When the cross beam is used for a compact chassis, the cross beam is limited, and when the cross beam is arranged behind a hydraulic retarding part, the ventral surface of the cross beam extrudes a transmission shaft rotating space, so that the assembly is difficult; in some heavy-duty vehicle types, too many accessories on the bridge are too close to the ventral surface of the cross beam, the gap is too small, and when the cross beam of the special vehicle is arranged behind the power takeoff, the gap between the special vehicle and the accessories is too small.
Disclosure of Invention
The utility model aims at overcoming current crossbeam and extrudeing other spare parts in assembling process, it is little with other annex clearances, be unfavorable for the problem of assembly, provide a commercial car cell type crossbeam, the ventral surface leaves sufficient space, improves the flexibility that the crossbeam was arranged, and the crossbeam has better well rear axle trafficability characteristic, light in weight.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
a groove-shaped cross beam of a commercial vehicle is of a groove-shaped structure enclosed by an upper wing surface, a lower wing surface and a ventral surface, wherein the lower wing surface consists of two flat wing surfaces and a circular arch wing surface, the two ends of the lower wing surface are flat wing surfaces, the circular arch wing surface is positioned between the two flat wing surfaces, the circular arch-shaped wing surface is arched towards the upper wing surface, the circular arch-shaped wing surface is respectively connected with the two flat wing surfaces in a tangent way, one side of the upper wing surface parallel to the ventral surface is an outer edge of the upper wing surface, the middle section of the outer edge of the upper wing surface is bent towards the ventral surface, the length and width of the upper airfoil surface and the lower airfoil surface are consistent, the ventral surface consists of two flat ventral surfaces and a circular arch ventral surface, the two ends of the ventral surface are flat ventral surfaces, the circular arch ventral surface is positioned between the two flat ventral surfaces and arched towards the groove, the circular arch ventral surfaces are respectively tangent with the two flat ventral surfaces, and connecting plate mounting holes are formed in the two ends of the upper wing surface and the lower wing surface.
And the ventral surface is provided with lightening holes.
The upper wing surface is provided with an installation threading hole, and the installation threading hole is positioned between the installation holes of the connecting plates at the two ends of the upper wing surface.
The ratio of the distance from the vertex of the circular arch airfoil to the lower airfoil to the height of the cross beam is 3: 10-4: 10.
the ratio of the distance from the vertex of the dome-shaped ventral surface to the maximum width of the upper airfoil surface is 2: 10-3: 10.
the two end angles of the upper airfoil surface and the lower airfoil surface are chamfer angles.
The flat ventral surface is provided with a connecting hole.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the lower wing surface of the utility model consists of two flat wing surfaces and a circular arch wing surface, so that the beam has enough bending rigidity and torsional rigidity, and a sufficient gap is left for the upper jump of the middle and rear axle, thereby having better trafficability; the circular arch wing surfaces are respectively in tangent connection with the two flat wing surfaces, so that stress concentration is avoided, and the circular arch wing surfaces are not easy to break; the side, parallel to the ventral surface, of the upper airfoil surface is an outer edge of the upper airfoil surface, the middle section of the outer edge is bent towards the ventral surface, and an eagle wing structure with two wide ends and a narrow middle is adopted, so that the two ends of the cross beam are reliably connected with the connecting plate and uniformly stressed, the weight of the cross beam is reduced and the cost is reduced under the condition of meeting the requirement of stress; the ventral surface constitute by two flat ventral surfaces and dome ventral surface, the both ends of ventral surface are flat ventral surface, dome ventral surface be located between two flat ventral surfaces, have sufficient space of dodging for the chassis annex, guarantee that the crossbeam has furthest's chassis and arranges the space, improve the flexibility that the crossbeam was arranged, do benefit to frame crossbeam modularization and arrange, improved the crossbeam commonality.
2. The utility model discloses in be equipped with the lightening hole on the ventral surface, alleviate the weight of crossbeam.
3. The utility model discloses in it is provided with the installation through wires hole to go up the flank, reserves the hole of installing support class for electric, braking system.
4. The utility model discloses in the summit of dome-shaped airfoil is 3 to the distance of lower airfoil and the high ratio of crossbeam: 10-4: 10, the assembly of the whole vehicle is facilitated, the safety clearance under the rebound limit of bridges of different models is met, the stress concentration is avoided, and the safety factor requirement of the whole vehicle is met.
5. The utility model discloses in the distance of summit to the ventral surface of dome shape ventral surface and the biggest wide ratio of last airfoil are 2: 10-3: 10, under the condition of ensuring that the cross beam has the maximum chassis arrangement space, the weight of the whole cross beam can be reduced by about 5 percent.
6. The utility model discloses in last airfoil and lower airfoil both ends angle for the chamfer structure, get rid of the edge closed angle, improve stress concentration, weight reduction.
7. The utility model discloses in the flat ventral surface on be equipped with the connecting hole, both can be used for the connection of crossbeam back to back, can be used for again braking and arranging of electric support, do benefit to the pencil on truck chassis and arrange.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a top view of the present invention;
fig. 3 is a bottom view of the present invention;
fig. 4 is a left side view of the present invention;
FIG. 5 is a single cross-beam assembly using the present invention;
FIG. 6 is a view of a dual beam assembly using the present invention;
in the figure: the wing comprises an upper wing surface 1, a ventral surface 2, a lower wing surface 3, a connecting plate mounting hole 4, a connecting hole 5, a lightening hole 6, a mounting threading hole 7, an outer edge 11 of the upper wing surface, a circular arch ventral surface 21, a flat ventral surface 22, a flat wing surface 31 and a circular arch wing surface 32.
Detailed Description
The present invention will be described in further detail with reference to the following description and embodiments in conjunction with the accompanying drawings.
Referring to fig. 1, a commercial vehicle trough-shaped cross beam is a trough-shaped structure enclosed by an upper wing surface 1, a lower wing surface 3 and a ventral surface 2, wherein the lower wing surface 3 is composed of two flat wing surfaces 31 and a circular arch wing surface 32, two ends of the lower wing surface 3 are the flat wing surfaces 32, the circular arch wing surface 32 is located between the two flat wing surfaces 31, the circular arch wing surface 32 arches towards the upper wing surface 1, the circular arch wing surface 32 is respectively connected with the two flat wing surfaces 31 in a tangent manner, one side of the upper wing surface 1 parallel to the ventral surface 2 is an upper wing surface outer edge 11, the middle section of the upper wing surface outer edge 11 bends towards the ventral surface 2, the upper wing surface 1 and the lower wing surface 3 have the same length and width, the ventral surface 2 is composed of two flat ventral surfaces 22 and a circular arch ventral surface 21, two ends of the ventral surface 2 are the flat ventral surfaces 22, the circular arch ventral surface 21 is located between the two flat ventral surfaces 22, and the circular arch ventral surface 21 arche, the circular arch ventral surfaces 21 are respectively tangent with the two flat ventral surfaces 22, and two ends of the upper airfoil surface 1 and the lower airfoil surface 3 are provided with connecting plate mounting holes 4.
The ventral surface 2 is provided with lightening holes 6, the two end corners of the upper airfoil surface 1 and the lower airfoil surface 3 are in a chamfer structure, and the flat ventral surface 22 is provided with connecting holes 5.
Referring to fig. 2, the upper wing surface is provided with a mounting threading hole 7, and the mounting threading hole 7 is located between the connecting plate mounting holes 4 at the two ends of the upper wing surface 1.
Referring to fig. 2 and 3, the upper airfoil surface 1 and the lower airfoil surface 3 have the same length and width, and the outer edge middle section of the lower airfoil surface 3 is bent towards the ventral surface 2 in the bottom view.
Referring to fig. 4, the ratio of the distance from the apex of the dome-shaped airfoil 32 to the lower airfoil 3 to the height of the beam is 3: 10-4: 10, the ratio of the distance from the apex of the dome-shaped ventral surface 21 to the ventral surface 2 to the maximum width of the upper airfoil surface 1 is 2: 10-3: 10.
referring to fig. 5, the single beam assembly composed of the beam and the two beam connecting plates can be used for different positions of the frame, reduces the variety of the beam assembly, improves the utilization rate of the beam, and accords with the modular design concept. (ii) a
Referring to fig. 6, the single beam assembly is composed of two beams and two beam connecting plates, the two beams are fixedly connected through the beam connecting plates and the bolts on the ventral surfaces of the two channel beams by penetrating through the connecting holes 5, so that the connection is firmer, and the oval space formed in the ventral surfaces of the two channel beams can drain rainwater and reduce corrosion; and a wiring space is reserved for the penetration of the wiring harness, so that the wiring harness moving flexibility is greatly improved.
Example 1
Referring to fig. 1, a commercial vehicle trough-shaped cross beam is a trough-shaped structure enclosed by an upper wing surface 1, a lower wing surface 3 and a ventral surface 2, wherein the lower wing surface 3 is composed of two flat wing surfaces 31 and a circular arch wing surface 32, two ends of the lower wing surface 3 are the flat wing surfaces 32, the circular arch wing surface 32 is located between the two flat wing surfaces 31, the circular arch wing surface 32 arches towards the upper wing surface 1, the circular arch wing surface 32 is respectively connected with the two flat wing surfaces 31 in a tangent manner, one side of the upper wing surface 1 parallel to the ventral surface 2 is an upper wing surface outer edge 11, the middle section of the upper wing surface outer edge 11 bends towards the ventral surface 2, the upper wing surface 1 and the lower wing surface 3 have the same length and width, the ventral surface 2 is composed of two flat ventral surfaces 22 and a circular arch ventral surface 21, two ends of the ventral surface 2 are the flat ventral surfaces 22, the circular arch ventral surface 21 is located between the two flat ventral surfaces 22, and the circular arch ventral surface 21 arche, the circular arch ventral surfaces 21 are respectively tangent with the two flat ventral surfaces 22, and two ends of the upper airfoil surface 1 and the lower airfoil surface 3 are provided with connecting plate mounting holes 4.
The ventral surface 2 is provided with lightening holes 6, the two end corners of the upper airfoil surface 1 and the lower airfoil surface 3 are in a chamfer structure, and the flat ventral surface 22 is provided with connecting holes 5.
Referring to fig. 2, the upper wing surface is provided with a mounting threading hole 7, and the mounting threading hole 7 is located between the connecting plate mounting holes 4 at the two ends of the upper wing surface 1.
Referring to fig. 2 and 3, the upper airfoil surface 1 and the lower airfoil surface 3 have the same length and width, and the outer edge middle section of the lower airfoil surface 3 is bent towards the ventral surface 2 in the bottom view.
Referring to fig. 4, the ratio of the distance from the apex of the dome-shaped airfoil 32 to the lower airfoil 3 to the height of the beam is 3: 10, the ratio of the distance from the apex of the dome-shaped ventral surface 21 to the ventral surface 2 to the maximum width of the upper airfoil surface 1 is 2: 10.
example 2
Referring to fig. 1, a commercial vehicle trough-shaped cross beam is a trough-shaped structure enclosed by an upper wing surface 1, a lower wing surface 3 and a ventral surface 2, wherein the lower wing surface 3 is composed of two flat wing surfaces 31 and a circular arch wing surface 32, two ends of the lower wing surface 3 are the flat wing surfaces 32, the circular arch wing surface 32 is located between the two flat wing surfaces 31, the circular arch wing surface 32 arches towards the upper wing surface 1, the circular arch wing surface 32 is respectively connected with the two flat wing surfaces 31 in a tangent manner, one side of the upper wing surface 1 parallel to the ventral surface 2 is an upper wing surface outer edge 11, the middle section of the upper wing surface outer edge 11 bends towards the ventral surface 2, the upper wing surface 1 and the lower wing surface 3 have the same length and width, the ventral surface 2 is composed of two flat ventral surfaces 22 and a circular arch ventral surface 21, two ends of the ventral surface 2 are the flat ventral surfaces 22, the circular arch ventral surface 21 is located between the two flat ventral surfaces 22, and the circular arch ventral surface 21 arche, the circular arch ventral surfaces 21 are respectively tangent with the two flat ventral surfaces 22, and two ends of the upper airfoil surface 1 and the lower airfoil surface 3 are provided with connecting plate mounting holes 4.
The ventral surface 2 is provided with lightening holes 6, the two end corners of the upper airfoil surface 1 and the lower airfoil surface 3 are in a chamfer structure, and the flat ventral surface 22 is provided with connecting holes 5.
Referring to fig. 2, the upper wing surface is provided with a mounting threading hole 7, and the mounting threading hole 7 is located between the connecting plate mounting holes 4 at the two ends of the upper wing surface 1.
Referring to fig. 2 and 3, the upper airfoil surface 1 and the lower airfoil surface 3 have the same length and width, and the outer edge middle section of the lower airfoil surface 3 is bent towards the ventral surface 2 in the bottom view.
With reference to fig. 4, the ratio of the distance from the apex of the dome-shaped airfoil 32 to the lower airfoil 3 to the height of the beam is 4: 10, the ratio of the distance from the apex of the dome-shaped ventral surface 21 to the ventral surface 2 to the maximum width of the upper airfoil surface 1 is 3: 10.
example 3
Referring to fig. 1, a commercial vehicle trough-shaped cross beam is a trough-shaped structure enclosed by an upper wing surface 1, a lower wing surface 3 and a ventral surface 2, wherein the lower wing surface 3 is composed of two flat wing surfaces 31 and a circular arch wing surface 32, two ends of the lower wing surface 3 are the flat wing surfaces 32, the circular arch wing surface 32 is located between the two flat wing surfaces 31, the circular arch wing surface 32 arches towards the upper wing surface 1, the circular arch wing surface 32 is respectively connected with the two flat wing surfaces 31 in a tangent manner, one side of the upper wing surface 1 parallel to the ventral surface 2 is an upper wing surface outer edge 11, the middle section of the upper wing surface outer edge 11 bends towards the ventral surface 2, the upper wing surface 1 and the lower wing surface 3 have the same length and width, the ventral surface 2 is composed of two flat ventral surfaces 22 and a circular arch ventral surface 21, two ends of the ventral surface 2 are the flat ventral surfaces 22, the circular arch ventral surface 21 is located between the two flat ventral surfaces 22, and the circular arch ventral surface 21 arche, the circular arch ventral surfaces 21 are respectively tangent with the two flat ventral surfaces 22, and two ends of the upper airfoil surface 1 and the lower airfoil surface 3 are provided with connecting plate mounting holes 4.
The ventral surface 2 is provided with lightening holes 6, the two end corners of the upper airfoil surface 1 and the lower airfoil surface 3 are in a chamfer structure, and the flat ventral surface 22 is provided with connecting holes 5.
Referring to fig. 2, the upper wing surface is provided with a mounting threading hole 7, and the mounting threading hole 7 is located between the connecting plate mounting holes 4 at the two ends of the upper wing surface 1.
Referring to fig. 2 and 3, the upper airfoil surface 1 and the lower airfoil surface 3 have the same length and width, and the outer edge middle section of the lower airfoil surface 3 is bent towards the ventral surface 2 in the bottom view.
With reference to fig. 4, the ratio of the distance from the apex of the dome-shaped airfoil 32 to the lower airfoil 3 to the height of the beam is 7: 20, the ratio of the distance from the apex of the dome-shaped ventral surface 21 to the ventral surface 2 to the maximum width of the upper airfoil surface 1 is 23: 100.
Claims (7)
1. the utility model provides a commercial car cell type crossbeam, is last airfoil (1), and the cell type structure that lower airfoil (3) and ventral surface (2) enclose, lower airfoil (3) comprises two plano wing (31) and dome shape airfoil (32), the both ends of lower airfoil (3) are plano wing (31), dome shape airfoil (32) be located between two plano wing (31), dome shape airfoil (32) arch up its characterized in that towards last airfoil (1): the utility model discloses a wing structure, including last airfoil (1), last airfoil (2), ventral (11), last airfoil (2) be the outer border of last airfoil (11) on one side with the ventral (2) is parallel, go up the outer border of flank (11) middle section towards ventral (2) bending, the length and the width unanimity of last airfoil (1) and lower airfoil (3), ventral (2) constitute by two flat ventral (22) and dome ventral (21), the both ends of ventral (2) are flat ventral (22), dome ventral (21) be located between two flat ventral (22), dome ventral (21) arch up towards the inslot, dome ventral (21) are tangent with two flat ventral (22) respectively and are connected, the both ends of going up airfoil (1) and lower airfoil (3) are equipped with mounting hole (4).
2. A commercial vehicle channel beam as in claim 1 wherein: the ventral surface (2) is provided with lightening holes (6).
3. A commercial vehicle channel beam as in claim 1 wherein: the upper wing surface is provided with an installation threading hole (7), and the installation threading hole (7) is positioned between the connecting plate installation holes (4) at the two ends of the upper wing surface (1).
4. A commercial vehicle channel beam as in claim 1 wherein: the ratio of the distance from the top point of the circular arch airfoil (32) to the lower airfoil (3) to the height of the beam is 3: 10-4: 10.
5. a commercial vehicle channel beam as in claim 1 wherein: the ratio of the distance from the vertex of the dome-shaped ventral surface (21) to the ventral surface (2) to the maximum width of the upper airfoil surface (1) is 2: 10-3: 10.
6. a commercial vehicle channel beam as in claim 1 wherein: the two end angles of the upper airfoil surface (1) and the lower airfoil surface (3) are in chamfer structures.
7. A commercial vehicle channel beam as in claim 1 wherein: the flat ventral surface (22) is provided with a connecting hole (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921150770.9U CN210478817U (en) | 2019-07-22 | 2019-07-22 | Groove-shaped cross beam of commercial vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921150770.9U CN210478817U (en) | 2019-07-22 | 2019-07-22 | Groove-shaped cross beam of commercial vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN210478817U true CN210478817U (en) | 2020-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921150770.9U Active CN210478817U (en) | 2019-07-22 | 2019-07-22 | Groove-shaped cross beam of commercial vehicle |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113247095A (en) * | 2021-05-12 | 2021-08-13 | 东风商用车有限公司 | Commercial car frame crossbeam structure |
| CN115257928A (en) * | 2022-06-30 | 2022-11-01 | 东风商用车有限公司 | New forms of energy integrated form frame construction |
-
2019
- 2019-07-22 CN CN201921150770.9U patent/CN210478817U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113247095A (en) * | 2021-05-12 | 2021-08-13 | 东风商用车有限公司 | Commercial car frame crossbeam structure |
| CN115257928A (en) * | 2022-06-30 | 2022-11-01 | 东风商用车有限公司 | New forms of energy integrated form frame construction |
| CN115257928B (en) * | 2022-06-30 | 2023-05-30 | 东风商用车有限公司 | New energy integrated frame structure |
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