CN204279662U - Automobile bodies longitudinal beam of underframe - Google Patents
Automobile bodies longitudinal beam of underframe Download PDFInfo
- Publication number
- CN204279662U CN204279662U CN201420723181.6U CN201420723181U CN204279662U CN 204279662 U CN204279662 U CN 204279662U CN 201420723181 U CN201420723181 U CN 201420723181U CN 204279662 U CN204279662 U CN 204279662U
- Authority
- CN
- China
- Prior art keywords
- underframe
- longitudinal beam
- long limit
- oblong
- automobile bodies
- Prior art date
- 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.)
- Expired - Fee Related
Links
- 238000005096 rolling process Methods 0.000 claims abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 238000000034 method Methods 0.000 description 6
- 238000005452 bending Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- Body Structure For Vehicles (AREA)
Abstract
The utility model discloses a kind of automobile bodies longitudinal beam of underframe, relate to field of automobile; The cross sectional shape of longeron is the oblong by rolling drawing, this rectangular wherein long limit exceeds described oblong and stretches out to the horizontal direction outside described rectangular cross-sectional, exceeds hold adjacent described its termination of oblong minor face and this long limit to be welded and fixed with this long limit.The utility model can solve that the productive costs existed in current automobile bodies longitudinal beam of underframe manufacturing process is high, production efficiency is low and longeron intensity is not high, the problem of appearance poor.
Description
Technical field
The utility model relates to field of automobile, especially a kind of for the manufacture of automobile bodies longitudinal beam of underframe.
Background technology
Automobile bodies underframe as shown in Figure 1 is generally welded by longeron 2, edge sealing crossbeam 1, crossbeam 3, tumble a crossbeam and tipping pitman 5, wherein longeron 2 is that whole underframe carries the maximum main force's beam of carriage weight, its length is usually between 5.6 meters ~ 9.6 meters, cross sectional dimensions designing requirement is that 160mm × 90mm × 10mm(is high × wide × thick), highest point is 200 mm apart from bottom surface, and the height to width ratio of cross-sectional plane is more than 1.8; At present, the technique manufacturing this carriage chassis longeron is generally adopt to distinguish bending " Z " shape and " 7 " shape by after two block plate blankings by flanging machine, make-up is welded mutually again, main weld is upper and lower two roads, as shown in Figure 2, the automobile bodies longitudinal beam of underframe that this fabrication process goes out exists: 1, manufacturing cost is high, and production efficiency is low; Because want blanking secondary bending and forming again, and welding two road weld seams, the operating personal time is also longer; 2, add through secondary bending the carriage chassis longeron that two road weld seam manufacture technics go out, overall appearance is poor, longeron straightness accuracy is difficult to reach requirement, and because longeron weld seam is longer, welding deformation is also difficult to avoid; 3, because the carriage chassis longeron of this explained hereafter need weld two road weld seams, cause longeron intensity not high.
Summary of the invention
The purpose of this utility model is to provide a kind of automobile bodies longitudinal beam of underframe, and it can solve, and the productive costs existed in current automobile bodies longitudinal beam of underframe manufacturing process is high, production efficiency is low and longeron intensity is not high, the problem of appearance poor.
In order to solve the problem, the technical solution adopted in the utility model is:
This automobile bodies longitudinal beam of underframe, the cross sectional shape of longeron is the oblong by rolling drawing, this rectangular wherein long limit exceeds described oblong and stretches out to the horizontal direction outside described rectangular cross-sectional, exceeds hold adjacent described its termination of oblong minor face and this long limit to be welded and fixed with this long limit.。
In above technical scheme, further scheme is: the height to width ratio of the rectangular cross-sectional of described longeron is 1.5 ~ 2.
Owing to have employed technique scheme, the utility model compared with prior art has following beneficial effect:
1, the utility model adopts the rolling drawing forming technology of domestic initiation, the longitudinal beam of underframe of changing over can only first make two bending parts again assembly welding become the technique of longitudinal beam of underframe, the longeron intensity raising 20% that the existing technique of longitudinal beam of underframe intensity ratio made obtains;
2, adopt the utility model, greatly can save rolled steel dosage, use the longitudinal beam of underframe of two 6 meters long to calculate by every platform lorry compartment, every platform reduces material cost 72 kilograms, and by steel 3.5 yuan of/kilogram of calculating, every platform reduces material cost 72 × 3.5=252 unit/platform; And weld seam 12 meters can be reduced, reduce welding wire cost and about 50 yuan of welder's expense, cost-saving 300 yuan altogether, every chassis;
3, adopt the utility model, fusion length greatly reduces, and longeron deflection greatly reduces, and under longitudinal beam of underframe and bottom plate of dump truck, flat board is fitted more, and whole automobile bodies longitudinal beam of underframe is more attractive in appearance, and presentation quality improves greatly.
Accompanying drawing explanation
Fig. 1 automobile bodies longitudinal beam of underframe birds-eye view.
Fig. 2 prior art A-A place cutaway view.
Fig. 3 the utility model A-A place cutaway view.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is further described: as shown in Figure 1, Figure 3
This automobile bodies longitudinal beam of underframe, the cross sectional shape of longeron 2 is the oblong made by rolling drawing technique, the long limit, left side of this rectangular cross-sectional exceeds rectangular cross-sectional and stretches out to left side horizontal direction outside rectangular cross-sectional, exceeding with this long limit holds adjacent its termination of rectangular minor face and this long limit to be welded and fixed, and the height to width ratio of rectangular cross-sectional is 1.5 ~ 2.
Claims (2)
1. an automobile bodies longitudinal beam of underframe, it is characterized in that: the cross sectional shape of longeron (2) is the oblong by rolling drawing, this rectangular wherein long limit exceeds described oblong and stretches out to the horizontal direction outside described rectangular cross-sectional, exceeds hold adjacent described its termination of oblong minor face and this long limit to be welded and fixed with this long limit.
2. automobile bodies longitudinal beam of underframe according to claim 1, is characterized in that: the height to width ratio of the rectangular cross-sectional of described longeron (2) is 1.5 ~ 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420723181.6U CN204279662U (en) | 2014-11-27 | 2014-11-27 | Automobile bodies longitudinal beam of underframe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420723181.6U CN204279662U (en) | 2014-11-27 | 2014-11-27 | Automobile bodies longitudinal beam of underframe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204279662U true CN204279662U (en) | 2015-04-22 |
Family
ID=52862849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420723181.6U Expired - Fee Related CN204279662U (en) | 2014-11-27 | 2014-11-27 | Automobile bodies longitudinal beam of underframe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204279662U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104401404A (en) * | 2014-11-27 | 2015-03-11 | 刘权 | Automobile carriage chassis longitudinal beam |
-
2014
- 2014-11-27 CN CN201420723181.6U patent/CN204279662U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104401404A (en) * | 2014-11-27 | 2015-03-11 | 刘权 | Automobile carriage chassis longitudinal beam |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150422 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |