CN102190019B - Gooseneck type semitrailer longitudinal beam and semitrailer - Google Patents
Gooseneck type semitrailer longitudinal beam and semitrailer Download PDFInfo
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- CN102190019B CN102190019B CN 201010131772 CN201010131772A CN102190019B CN 102190019 B CN102190019 B CN 102190019B CN 201010131772 CN201010131772 CN 201010131772 CN 201010131772 A CN201010131772 A CN 201010131772A CN 102190019 B CN102190019 B CN 102190019B
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- wing plate
- gooseneck
- lower wing
- type semitrailer
- longeron
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- 244000261422 Lysimachia clethroides Species 0.000 title claims abstract description 23
- 238000003466 welding Methods 0.000 claims description 9
- 230000007704 transition Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 12
- 238000000034 method Methods 0.000 description 4
- 238000005728 strengthening Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 241000826860 Trapezium Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
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Abstract
The invention discloses a gooseneck type semitrailer longitudinal beam and a semitrailer. The gooseneck type semitrailer longitudinal beam comprises a neck beam arranged at the gooseneck, a front top beam extending forwards from the gooseneck and a rear bottom beam extending backwards from the gooseneck; the front top beam is fixedly connected above the neck beam and comprises a front web plate, a front upper wing plate and a front lower wing plate, wherein the front upper wing plate and the front lower wing plate are mutually parallel; the rear bottom beam is fixedly connected to the rear end of the neck beam and comprises a rear web plate, a rear upper wing plate and a rear lower wing plate; the neck beam comprises a middle web plate and a middle lower wing plate fixedly connected below the middle web plate; the middle lower wing plate extends to a certain distance forwards on the lower bottom surface of the front lower wing plate and fixedly connected to the lower bottom surface of the front lower wing plate; and the middle lower wing plate extends on the lower bottom surface of the rear lower wing plate and is fixedly connected to the lower bottom surface of the rear lower wing plate. The gooseneck type semitrailer longitudinal beam disclosed by the invention has the advantages of high material utilization ratio and good reliability and passability.
Description
Technical field
The present invention relates to a kind of transportation device and parts thereof, relate in particular to the Gooseneck-type semitrailer longeron and have the superimposed trailer of this Gooseneck-type semitrailer longeron.
Background technology
Superimposed trailer is a kind of important transportation means, and present superimposed trailer more and more requires its carrying surface to reduce, to improve whole vehicle stability and safety; So except our common low flat bed semi trailer is to adopt the gooseneck type girder work, increasing superimposed trailer is also adopting the gooseneck type girder work; Practice test through is for many years found; On the one hand, the longeron of Gooseneck-type semitrailer the reliability at its gooseneck place a little less than, it has not only born moment of flexure; In the process of vehicle ', also born the moment of torsion and the impulsive force of complex road condition, be easy to damage; On the other hand, the longeron web at gooseneck place is complex-shaped, and stock utilization is low; Last point is that the shape in cross section directly influences the effect that articulates with tractor truck, influences the crossing ability of car load.
Specifically, gooseneck type longeron of the prior art mainly contains two sectional type and two kinds of versions of integral type, and is as shown in figures 1 and 3 respectively.
Shown in Fig. 1, Fig. 2 A-Fig. 2 E, the Gooseneck-type semitrailer longeron spare of two sectional type comprises preceding upper flange 11, leading web 12, preceding lower wing plate 13, back upper flange 14, trailing web 15, back lower wing plate 16.Can be found out that by Fig. 1, Fig. 2 A-Fig. 2 E two sections Gooseneck-type semitrailer longerons have 6 major parts to be formed, and is divided into forward and backward two sections, all parts all are to form a complete superimposed trailer longeron through the mode of welding.
Shown in Fig. 3, Fig. 4 A-Fig. 4 E, all-in-one-piece Gooseneck-type semitrailer longeron spare comprises upper flange 21, web 22, preceding lower wing plate 23 and back lower wing plate 24.Can be found out that by Fig. 3 and Fig. 4 A-Fig. 4 E whole Gooseneck-type semitrailer longeron has 4 major parts to be formed, all parts all are to form a complete superimposed trailer longeron through the mode of welding.In the above structure, preceding lower wing plate 23 can also synthesize parts with back lower wing plate 24, and then the longeron of this structure has only three parts to form in this way, i.e. upper flange 21, web 22, lower wing plate.
Can know from above accompanying drawing; Position (position that b, c are ordered) at B1-B1, B2-B2, C1-C1, C2-C2 section; And this position is exactly the point that Gooseneck-type semitrailer longeron normal off splits; Being the position that influences superimposed trailer web material degree of utilization, also is after influencing superimposed trailer and tractor truck and articulating, the position at tail swing angle behind the tractor truck longeron.And just there is variable section structure herein in the Gooseneck-type semitrailer longeron of above two kinds of structures, the material use rate variance.And the Gooseneck-type semitrailer longeron of above two kinds of structures big, the intensity of diff-H herein is difficult to strengthen.In c point position; This place requires bending resistance, antitorque, impact resistance than higher; The Gooseneck-type semitrailer longeron of above two kinds of structures of prior art just exists the thickness of slab or the material that want to strengthen with regard to changing whole web to reach the local purpose of strengthening herein; Obviously caused too many waste, if local group plate can cause the weakness of stress concentration, complex process again.
Summary of the invention
The object of the invention is for providing a kind of Gooseneck-type semitrailer longeron; With a little less than the Gooseneck-type semitrailer longeron gooseneck place reliability that solves prior art and fragile, stock utilization is low, the technical matters of crossing ability difference, improves stock utilization, reliability and crossing ability.
Another object of the present invention is that a kind of superimposed trailer with Gooseneck-type semitrailer longeron of the present invention is provided; With a little less than the Gooseneck-type semitrailer longeron gooseneck place reliability of the superimposed trailer that solves prior art and fragile, stock utilization is low, the technical matters of crossing ability difference, improves stock utilization, reliability and crossing ability.
For realizing above-mentioned purpose, technical scheme of the present invention is following:
A kind of Gooseneck-type semitrailer longeron, the preceding upper beam that comprises neck beam that the gooseneck place is provided with, extends forward from gooseneck, the back underbeam that extends back from gooseneck;
Put the beams in place before said, be fixedly connected on said neck beam top, comprise leading web and the preceding upper flange and the preceding lower wing plate that are parallel to each other;
Said back underbeam is fixedly connected on said neck beam rear end, comprises trailing web, back upper flange and back lower wing plate;
Said neck beam comprises the middle lower wing plate that median ventral plate is captiveed joint with the median ventral plate below; Lower wing plate extends certain distance forward in said on the lower wing plate bottom surface said before, and be fixedly connected on said before the lower wing plate bottom surface, said in lower wing plate extend on the lower wing plate bottom surface of said back and be fixedly connected on said after the lower wing plate bottom surface.
Superimposed trailer of the present invention has Gooseneck-type semitrailer longeron of the present invention.
Beneficial effect of the present invention is that the present invention has reliability than prior art and crossing ability is good, the high advantage of stock utilization, specifically have following some:
Gooseneck-type semitrailer longeron of the present invention, leading web belongs to the plate that does not have variable section, and the degree of utilization of material is high, and blanking is convenient; And the Gooseneck-type semitrailer longeron of prior art is variable section structure, the material use rate variance.
Gooseneck-type semitrailer longeron of the present invention; The diff-H of a, 2 positions of b only is the thickness of slab of middle lower wing plate; Drop is very little, and after superimposed trailer and tractor truck articulated, b point position had been left the enough pivot angle spaces of tractor truck for; And lower wing plate has preceding lower wing plate and two parts of middle lower wing plate here, has strengthened intensity and anti-twisting property here; And Gooseneck-type semitrailer longeron of the prior art, but big, the intensity of diff-H is difficult to strengthen herein.
Gooseneck-type semitrailer longeron of the present invention can reach the local purpose of strengthening through thickness of slab or the material that changes median ventral plate, has not only guaranteed reliability but also practiced thrift cost;
Description of drawings
Fig. 1: for the master of the two sectional type Gooseneck-type semitrailer longeron of prior art looks scheme drawing.
Fig. 2 A-Fig. 2 E: be the enlarged diagram in A1-A1, B1-B1, C1-C1, D1-D1, E1-E1 cross section among Fig. 1.
Fig. 3: for the master of the integral type Gooseneck-type semitrailer longeron of prior art looks scheme drawing.
Fig. 4 A-Fig. 4 E: be the enlarged diagram in A2-A2, B2-B2, C2-C2, D2-D2, E2-E2 cross section among Fig. 3.
Fig. 5: for the master of Gooseneck-type semitrailer longeron of the present invention looks scheme drawing.
Fig. 6: be the schematic top plan view of Gooseneck-type semitrailer longeron of the present invention.
Fig. 7 A-Fig. 7 E: be the enlarged diagram in A-A, B-B, C-C, D-D, E-E cross section among Fig. 5.
The specific embodiment
The exemplary embodiments that embodies characteristic of the present invention and advantage will be described in detail in following explanation.Be understood that the present invention can have various variations on various embodiment, its neither departing from the scope of the present invention, and explanation wherein and to be shown in be the usefulness of being used as explanation in essence, but not in order to restriction the present invention.
The superimposed trailer of the embodiment of the invention, the Gooseneck-type semitrailer longeron with embodiment of the invention.Superimposed trailer of the present invention, preferably preceding platform is higher than the superimposed trailer of rear platform, for example low flat bed semi trailer.Following mask body is introduced the Gooseneck-type semitrailer longeron of the preferred embodiment of the present invention.
As shown in Figure 5, the Gooseneck-type semitrailer longeron of the embodiment of the invention, the preceding upper beam that comprises neck beam that the gooseneck place is provided with, extends forward from gooseneck, the back underbeam that extends back from gooseneck; The concrete introduction as follows:
Wherein, preceding upper beam is fixedly connected on neck beam top, comprise leading web 2, preceding upper flange 1 and preceding lower wing plate 3, and preceding upper flange 1 is parallel to each other with preceding lower wing plate 3;
Back underbeam is fixedly connected on neck beam rear end, comprises trailing web 7, back upper flange 6 and back lower wing plate 8;
The neck beam comprises the middle lower wing plate 4 that weld median ventral plate 5 and median ventral plate below; In lower wing plate 4 on preceding lower wing plate 3 bottom surfaces, extend certain distance forward, and lower wing plate 3 bottom surfaces before being welded in, said in lower wing plate 4 horizontal-extending certain distance and be welded in said back lower wing plate 8 bottom surfaces on lower wing plate 8 bottom surfaces of said back.Usually, as shown in Figure 5, the position that a is ordered among the figure is the position that towing pin is set, and this towing pin is connected in towing plate, and the front end of middle lower wing plate 4 extends to the position near this towing plate, and keeps certain distance with this towing plate.
Therefore, Gooseneck-type semitrailer longeron of the present invention, it can be referred to as the Gooseneck-type semitrailer longeron of " syllogic ".
As shown in Figure 5, median ventral plate 5 is trapezoidal, and is right-angled trapezium, adapts therewith, and middle lower wing plate 4 is " Z " template.This trapezoidal forward terminal is positioned at the b point, and the space between some a and the some b provides the rear fitting radius of superimposed trailer, because preceding upper flange 1 is parallel to each other with preceding lower wing plate 3, therefore Gooseneck-type semitrailer longeron of the present invention has bigger rear fitting radius.But Gooseneck-type semitrailer longeron of the present invention, the longitudinal cross-section of its median ventral plate is not limited to trapezoidal, and it is parallel with the base for example also to can be top margin, and left side is the smooth curve transition, the shape that right edge is vertical with top margin.
As shown in Figure 5, the Gooseneck-type semitrailer longeron of the embodiment of the invention, said preceding upper beam rear end is concordant with the rear end of said neck beam, and the height of trailing web 7 is less than the height of median ventral plate 5.But the present invention is not as limit, and the height of trailing web 7 can be more than or equal to the height of median ventral plate 5.When the height of trailing web 7 equaled the height of median ventral plate 5, preceding upper beam rear end also may extend to the position of underbeam top, back, and with preceding lower wing plate 3 rear ends and back upper flange 7 front end weld togethers.
Shown in Fig. 5 and Fig. 7 A-Fig. 7 E, said before upper flange 1 rear end have vertically downward first extension that extends, the said first extension lower end is fixedly connected on back lower wing plate 8, back upper flange 6, trailing web 7 vertical weldings are connected to said first extension.Back lower wing plate 8 also has horizontally extending forward second extension; Like this, when making the Gooseneck-type semitrailer longeron of the embodiment of the invention, put the beams in place before can welding earlier; Back upper flange 6, trailing web 7 vertical weldings with the back underbeam are connected to said first extension again; Weld back lower wing plate 8 then, so by just having formed the space that median ventral plate 5 is set between preceding lower wing plate terminal (level), first extension (vertical), second extension (level), according to the requirement of intensity; After choosing median ventral plate 5, median ventral plate 5 is welded in this space; At last middle lower wing plate 4 is welded in place and gets final product.
The welding of middle for ease lower wing plate 4, as shown in Figure 6, the width of middle lower wing plate 4 is greater than the width of preceding lower wing plate 3, also greater than the width of back lower wing plate 8.And the width of lower wing plate 8 after the width of lower wing plate 3 equals usually.But the width of back of the present invention lower wing plate is not limited thereto, and also can be the width of lower wing plate before being less than or equal to, just less than the time be that proof strength need increase thickness, and the weakness when equaling is to be unfavorable for welding process.In the two ends of lower wing plate 4 be general triangular, and this leg-of-mutton drift angle is arc transition, and the two ends of lower wing plate 4 are provided with a plurality of circular holes that are used to weld in said.
Gooseneck-type semitrailer longeron of the present invention, all parts are all formed the superimposed trailer longeron of a completion through the mode of welding.
For the preceence of the present invention's " syllogic " Gooseneck-type semitrailer longeron is described, the present invention is compared with the prior art longeron of two kinds of versions in addition commonly used, can know:
The Gooseneck-type semitrailer longeron of the embodiment of the invention, leading web 2 belongs to the plate that does not have variable section, and the degree of utilization of material is high, and blanking is convenient; And just there is variable section structure herein in two kinds of Gooseneck-type semitrailer longerons of prior art, the material use rate variance.
The Gooseneck-type semitrailer longeron of the embodiment of the invention, the diff-H of a, 2 positions of b only is the thickness of slab of middle lower wing plate 4, drop is very little; After superimposed trailer and tractor truck articulate; B point position has been left the enough pivot angle spaces of tractor truck for, and lower wing plate has preceding lower wing plate 3 and 4 two parts of middle lower wing plate here, has strengthened intensity and anti-twisting property here; If also out of reach requirement of intensity, the thickness of slab of lower wing plate 4 or material reach the local purpose of strengthening in can also adjusting; And just there is the result that diff-H is big, intensity is difficult to strengthen herein in two kinds of Gooseneck-type semitrailer longerons of prior art.
The Gooseneck-type semitrailer longeron of the embodiment of the invention; Three sections Gooseneck-type semitrailer longeron median ventral plates 5 (c point position); This place requires bending resistance, antitorque, impact resistance than higher; Can reach the local purpose of strengthening through thickness of slab or the material that changes median ventral plate 5, not only guarantee reliability but also practiced thrift cost; And two kinds of Gooseneck-type semitrailer longerons of prior art; Just exist herein and want to strengthen just must changing the thickness of slab of whole web or the purpose that material reaches local reinforcement; Obviously caused too many waste, if local group plate can cause the weakness of stress concentration, complex process again.
Those skilled in the art should recognize change and the retouching of under the situation that does not break away from appended scope of the present invention that claim disclosed of the present invention and spirit, being done, and all belong within the protection domain of claim of the present invention.
Claims (10)
1. a Gooseneck-type semitrailer longeron is characterized in that, the preceding upper beam that this Gooseneck-type semitrailer longeron comprises neck beam that the gooseneck place is provided with, extend forward from gooseneck, the back underbeam that extends back from gooseneck;
Put the beams in place before said, be fixedly connected on said neck beam top, comprise leading web and the preceding upper flange and the preceding lower wing plate that are parallel to each other;
Said back underbeam is fixedly connected on said neck beam rear end, comprises trailing web, back upper flange and back lower wing plate; The height of the said back upper flange of said back underbeam is lower than the height of said preceding said preceding upper flange of putting the beams in place;
Said neck beam comprises the middle lower wing plate that median ventral plate is captiveed joint with the median ventral plate below; In said lower wing plate said before on the lower wing plate bottom surface level extend certain distance forward, and be fixedly connected on said before the lower wing plate bottom surface, said in lower wing plate said back lower wing plate bottom surface horizontal-extending and be fixedly connected on said after the lower wing plate bottom surface.
2. Gooseneck-type semitrailer longeron as claimed in claim 1 is characterized in that, the longitudinal cross-section of said median ventral plate is trapezoidal.
3. Gooseneck-type semitrailer longeron as claimed in claim 2 is characterized in that, said preceding upper beam rear end is concordant with the rear end of said neck beam, and the height of said trailing web is less than the height of said median ventral plate.
4. Gooseneck-type semitrailer longeron as claimed in claim 3; It is characterized in that; The upper flange rear end has first extension that extends vertically downward before said; The said first extension lower end is fixedly connected on said back lower wing plate, and said back upper flange, the equal vertical fixing of trailing web are connected in said first extension.
5. Gooseneck-type semitrailer longeron as claimed in claim 4 is characterized in that, said back lower wing plate has horizontally extending forward second extension.
6. Gooseneck-type semitrailer longeron as claimed in claim 1 is characterized in that, the width of said middle lower wing plate is greater than the width of lower wing plate before said, also greater than the said width of lower wing plate afterwards.
7. Gooseneck-type semitrailer longeron as claimed in claim 6 is characterized in that, said in the two ends of lower wing plate be general triangular, and this leg-of-mutton drift angle is arc transition, and the two ends of lower wing plate are provided with a plurality of circular holes that are used to weld in said.
8. Gooseneck-type semitrailer longeron as claimed in claim 4 is characterized in that, the said captive joint mode between each parts is welding.
9. a superimposed trailer has the Gooseneck-type semitrailer longeron, it is characterized in that, said Gooseneck-type semitrailer longeron is the arbitrary described Gooseneck-type semitrailer longeron of claim 1-8.
10. superimposed trailer as claimed in claim 9 is characterized in that, this superimposed trailer is the superimposed trailer that preceding platform is higher than rear platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010131772 CN102190019B (en) | 2010-03-16 | 2010-03-16 | Gooseneck type semitrailer longitudinal beam and semitrailer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010131772 CN102190019B (en) | 2010-03-16 | 2010-03-16 | Gooseneck type semitrailer longitudinal beam and semitrailer |
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| Publication Number | Publication Date |
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| CN102190019A CN102190019A (en) | 2011-09-21 |
| CN102190019B true CN102190019B (en) | 2012-12-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201010131772 Active CN102190019B (en) | 2010-03-16 | 2010-03-16 | Gooseneck type semitrailer longitudinal beam and semitrailer |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE537977C2 (en) * | 2012-11-27 | 2015-12-29 | Scania Cv Ab | Frame configuration for vehicles |
| CN104401414B (en) * | 2014-11-20 | 2016-08-24 | 安徽省蒙城县华威汽车改装有限公司 | A kind of casing of the semitrailer with high-low plate |
| CN104554445B (en) * | 2014-12-26 | 2017-02-22 | 辽宁忠旺特种车辆制造有限公司 | Small gooseneck type combined welded aluminum alloy longitudinal beam for semitrailer |
| CN105730510A (en) * | 2016-01-30 | 2016-07-06 | 安徽广通汽车制造股份有限公司 | Trailer frame |
| CN106864597A (en) * | 2017-03-31 | 2017-06-20 | 王文贵 | Semitrailer crossbeam and semitrailer |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5322314A (en) * | 1992-08-07 | 1994-06-21 | Rosby Corporation | Thin gooseneck assembly |
| CN2936842Y (en) * | 2006-07-19 | 2007-08-22 | 中国国际海运集装箱(集团)股份有限公司 | Gooseneck type low flat-bed semitailer |
| CN200964135Y (en) * | 2006-11-06 | 2007-10-24 | 中国国际海运集装箱(集团)股份有限公司 | Spare tyre fixing device for low bearing surface freight trailer |
| CN201012708Y (en) * | 2007-03-26 | 2008-01-30 | 中国国际海运集装箱(集团)股份有限公司 | Semi-trailer bottom side beam |
| CN101758861A (en) * | 2008-11-17 | 2010-06-30 | 靳未一 | Semi-trailer frame |
-
2010
- 2010-03-16 CN CN 201010131772 patent/CN102190019B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5322314A (en) * | 1992-08-07 | 1994-06-21 | Rosby Corporation | Thin gooseneck assembly |
| CN2936842Y (en) * | 2006-07-19 | 2007-08-22 | 中国国际海运集装箱(集团)股份有限公司 | Gooseneck type low flat-bed semitailer |
| CN200964135Y (en) * | 2006-11-06 | 2007-10-24 | 中国国际海运集装箱(集团)股份有限公司 | Spare tyre fixing device for low bearing surface freight trailer |
| CN201012708Y (en) * | 2007-03-26 | 2008-01-30 | 中国国际海运集装箱(集团)股份有限公司 | Semi-trailer bottom side beam |
| CN101758861A (en) * | 2008-11-17 | 2010-06-30 | 靳未一 | Semi-trailer frame |
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| CN102190019A (en) | 2011-09-21 |
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