CN101306700B - Manufacture method of bottom side beam for semi-trailer and bottom side beam made by the method - Google Patents
Manufacture method of bottom side beam for semi-trailer and bottom side beam made by the method Download PDFInfo
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- CN101306700B CN101306700B CN2007100744967A CN200710074496A CN101306700B CN 101306700 B CN101306700 B CN 101306700B CN 2007100744967 A CN2007100744967 A CN 2007100744967A CN 200710074496 A CN200710074496 A CN 200710074496A CN 101306700 B CN101306700 B CN 101306700B
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Abstract
The invention relates to a method for manufacturing a semi-trailer bottom side beam and the bottom side beam which is manufactured by using the method. The bottom side beam comprises a front end part beam and a back end part beam; the back end part beam comprises a main section; the cross sections of the front end part beam and the back end part beam respectively comprise an upper wing plate, a lower wing plate and a web plate with the corresponding shapes; the height from the lower surface of the front end lower wing plate to the upper surface of the front end upper wing plate is less than the height from the lower surface of the back end lower wing plate of the main section of the back end part beam to the upper surface of the back end upper wing plate; and the upper wing plates at the butt ends of the front end part beam and the back end part beam are leveled and mutually butted, welded and connected. The method comprises the steps that the front end part beam and the back end part beam are respectively rolled or squeezed, the upper wing plates at the butt ends of the front end part beam and the back end part beam are leveled for butting, welding and connecting the butt part structures, and a transition strengthening structure which is arranged on the lower side of the connecting part of the front end part beam and the back end part beam is constituted. The manufacturing method can reduce the cutting amount of removing materials, the welding workload and the welding deformation during the manufacture of the bottom side beam, lower the production cost and improve the production efficiency and the material utilization rate.
Description
Technical field
The present invention relates to a kind of superimposed trailer method for manufacturing parts, also relate to the superimposed trailer part that uses this method to make, more particularly, the bottom side beams that relates to a kind of superimposed trailer bottom side beams manufacture method and use this method to make.
Background technology
Superimposed trailer is the landlocked long main transportation means apart from the dried food and nuts transportation of a class, as closed-type semitrailer, container semi-trailer etc.Superimposed trailer includes on overall structure provides towing the head and being used for the cargo-carrying body structure of power, as shown in Figure 1, with the closed-type semitrailer is example, its vehicle body is that carriage body structure comprises the bottom side beams 10 that is positioned at the envelope two bottom sides, in order to reduce the center of envelope, be convenient to again and being connected of towing the head, bottom side beams generally is made into " gooseneck shape ", promptly wants high with the bottom surface of the bonded assembly leading section that tows the head than bottom surface, end thereafter.The tradition manufacturing of this bottom side beams is to adopt the leading section material to remove method: as shown in Figure 2, earlier produce unjointed beam 11 by the method for roller or extruding, then a part 110 cuttings of front end are removed, as shown in Figure 3, again remaining 111 part bendings are fitted on the main body of beam and binding face welded and form leading section 12, obtain the bottom side beams 10 of " gooseneck shape ".
There is following shortcoming in existing superimposed trailer bottom side beams manufacturing process:
1, owing to the leading section longer dimension of bottom side beams, the cutting work capacity is big when removing material, and the welding job amount after cutting is finished is also very big, causes production efficiency low, the productive costs height;
2, bigger welding job amount makes bottom side beams produce welding deformation, and it is overproof that welding deformation takes place easily, need proofread and correct processing, further reduces production efficiency, causes productive costs to improve;
3, the material of Qu Chuing is not easy to utilize, and waste material has also improved the material cost that bottom side beams is produced.
Although there is above-mentioned defective in existing superimposed trailer bottom side beams manufacture method, for many years, superimposed trailer manufacturing enterprise still continues to use traditional bottom side beams manufacture method production bottom side beams for a long time, and the above-mentioned defective of superimposed trailer bottom side beams manufacturing is not resolved for a long time.
Summary of the invention
One of the technical problem to be solved in the present invention is: a kind of superimposed trailer bottom side beams manufacture method is provided, reduces the removal material cutting work capacity in the bottom side beams manufacturing, improve the production efficiency of bottom side beams, reduce the productive costs of bottom side beams.
Two of the technical problem to be solved in the present invention is: a kind of superimposed trailer bottom side beams is provided, and this bottom side beams is used said method manufacturing, overcomes that existing bottom side beams production efficiency is low, welding deformation big, defect of high cost.
The present invention solves the technical scheme that one of its technical matters adopts: construct a kind of superimposed trailer bottom side beams manufacture method, described superimposed trailer bottom side beams comprises interconnective leading section beam 20 and rearward end beam 21, this rearward end beam comprises principal piece, the cross-sectional plane of this leading section beam comprises front end upper flange 200, front end lower wing plate 201 and preceding end web, and the cross-sectional plane of this rearward end beam comprises rear end upper flange 210, rear end lower wing plate 211 and back end web; The shape of the shape of this front end upper flange, this front end lower wing plate and preceding end web and the described rear end upper flange of this rearward end beam and this leading section beam butt end, this rear end lower wing plate and back end web is corresponding; This front end lower wing plate lower surface to the height of this front end upper flange upper surface less than the rear end lower wing plate lower surface of this rearward end beam principal piece height to this rear end upper flange upper surface; It is characterized in that, concordant mutual butt joint is welded to connect described leading section beam with the upper flange of rearward end beam butt end, described method comprises: roller or squeeze out described leading section beam and rearward end beam respectively is welded to connect the concordant butt joint of upper flange of this leading section beam and rearward end beam butt end the butted part structure and constructs this leading section beam and the downside transition additional strengthening of rearward end beam junction; Described leading section beam comprises the middle transverse slat 202 of the front end between described front end upper flange and front end lower wing plate, and described rearward end beam comprises the middle transverse slat 212 in the rear end between described rear end upper flange and rear end lower wing plate; In the middle of this front end upper flange, front end in the middle of the height of the shape of transverse slat and this web 203 between the two and this front end upper flange upper surface transverse slat lower surface to this front end and this rear end upper flange, the rear end shape of transverse slat and this web 213 between the two and this rear end upper flange upper surface height of transverse slat lower surface to this rear end corresponding; In the middle of this front end lower wing plate, front end in the middle of the shape of transverse slat and this web 204 between the two and this rear end lower wing plate, the rear end shape of transverse slat and this web 214 between the two corresponding, the height of this front end lower wing plate lower surface transverse slat upper surface to this front end is less than the height of the rear end lower wing plate lower surface of this rearward end beam principal piece transverse slat upper surface to this rear end.
In superimposed trailer bottom side beams manufacture method of the present invention, the downside transition additional strengthening of described leading section beam of described structure and rearward end beam junction is realized according to following steps:
At gap between the transverse slat in the middle of the rear end lower wing plate of the butt end of described rearward end beam and the rear end, web material is removed in concordant this rear end lower wing plate upper surface cutting, keeps rear end lower wing plate material; Form horizontal sides 215 and angled transition limit 216 on the web of removing material area, this horizontal sides to the height of the middle transverse slat upper surface in this rear end adds that the bottom-to-top-height of this rear end lower wing plate thickness and described front end lower wing plate lower surface are corresponding to the height of the middle transverse slat upper surface of described front end;
With on folding horizontal sides that is fitted in described web of this rear end lower wing plate and the angled transition limit and be welded to connect the butted part structure.
In superimposed trailer bottom side beams manufacture method of the present invention, the downside transition additional strengthening of described leading section beam of described structure and rearward end beam junction is realized according to following steps:
At the downside welding L of described leading section beam and rearward end beam junction type connecting panel, weld with the downside of this leading section beam and the end applying of this rearward end beam respectively in the outside, both sides of this L type connecting panel;
Gusset is strengthened in inner underside welding at this L type connecting panel.
In superimposed trailer bottom side beams manufacture method of the present invention, the lower end at L type connecting panel and described rearward end beam end connection side increases horizontal flanging, and this horizontal flanging and this rearward end beam downside are fitted and be welded to connect.
In superimposed trailer bottom side beams manufacture method of the present invention, comprise the step that the welding deformation of welding connection structure is corrected.
Two technical schemes that adopted that the present invention solves its technical matters are: construct a kind of superimposed trailer bottom side beams, comprise leading section beam 20 and rearward end beam 21, described leading section beam is the cross-sectional plane uniform beam, and described rearward end beam comprises principal piece and is positioned at uniform cross section section of docking welded ends and variable section section with this leading section beam;
The cross-sectional plane of this leading section beam comprises front end upper flange 200, front end lower wing plate 201 and preceding end web, and the cross-sectional plane of this rearward end beam comprises rear end upper flange 210, rear end lower wing plate 211 and back end web; This front end upper flange, front end lower wing plate and before the shape of end web and this front end upper flange upper surface to the rear end upper flange of the height of this front end lower wing plate lower surface and the uniform cross section section of this rearward end beam, rear end lower wing plate and afterwards the rear end upper flange upper surface of the shape of end web and these sections is corresponding to the height of the rear end lower wing plate lower surface of these sections;
This front end lower wing plate lower surface to the height of this front end upper flange upper surface less than the rear end lower wing plate lower surface of this rearward end beam principal piece height to the rear end upper flange upper surface of this rearward end beam principal piece;
The rear end lower wing plate lower surface of this rearward end beam variable section section small end to the height of the rear end upper flange upper surface of this rearward end beam variable section section small end equals the height of the rear end lower wing plate lower surface of this rearward end beam uniform cross section section to the rear end upper flange upper surface of this rearward end beam uniform cross section section;
The rear end lower wing plate lower surface of this rearward end beam variable section Duan Daduan to the height of the rear end upper flange upper surface of this rearward end beam variable section Duan Daduan equals the height of the rear end lower wing plate lower surface of this rearward end beam principal piece to the rear end upper flange upper surface of this rearward end beam principal piece;
It is characterized in that: the concordant butt joint welding of the uniform cross section section upper flange of this leading section beam and this rearward end beam butted part structure, the lower wing plate of this rearward end beam uniform cross section section is welded to connect with the back end web, and the lower wing plate of this rearward end beam variable section section is welded to connect with the back end web.
In superimposed trailer bottom side beams of the present invention, described leading section beam comprises the middle transverse slat 202 of the front end between described front end upper flange and front end lower wing plate, transverse slat 212 in the middle of the rear end of described rearward end beam between described rear end upper flange and rear end lower wing plate;
In the middle of this front end upper flange, front end in the middle of the height of the shape of transverse slat and this web 203 between the two and this front end upper flange upper surface transverse slat lower surface to this front end and this rear end upper flange, the rear end shape of transverse slat and this web 213 between the two and this rear end upper flange upper surface height of transverse slat lower surface to this rear end corresponding; The shape of the shape of transverse slat and this web 204 between the two and this rear end lower wing plate, the middle transverse slat in this rear end and this web 214 between the two is corresponding in the middle of this front end lower wing plate, the front end;
The height of this front end lower wing plate lower surface transverse slat upper surface to this front end is less than the height of the rear end lower wing plate lower surface of this rearward end beam principal piece transverse slat upper surface to this rear end;
This front end lower wing plate lower surface height of transverse slat upper surface to this front end is corresponding to the height of this centre, rear end transverse slat upper surface with the rear end lower wing plate lower surface of this rearward end beam uniform cross section section;
The rear end lower wing plate lower surface of this rearward end beam variable section section small end to the height of the middle transverse slat upper surface in this rear end equals the height of the rear end lower wing plate lower surface of this rearward end beam uniform cross section section to the middle transverse slat upper surface in this rear end;
The rear end lower wing plate lower surface of this rearward end beam variable section Duan Daduan to the height of the middle transverse slat upper surface in this rear end equals the height of the rear end lower wing plate lower surface of this rearward end beam principal piece to the middle transverse slat upper surface in this rear end.
The bottom side beams of implementing superimposed trailer bottom side beams manufacture method of the present invention and using this method to make, compared with the prior art, its beneficial effect is:
1, reduces to remove in the bottom side beams manufacturing cutting quantity of material greatly, reduced welding job amount and welding deformation amount, improved the production efficiency of bottom side beams, reduced the productive costs of bottom side beams;
2, improved the degree of utilization of material.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is existing general box type semi-trailer box structural representation.
Fig. 2 is that existing bottom side beams is made scheme drawing.
Fig. 3 is that existing bottom side beams is made scheme drawing.
Fig. 4 is the diagram of circuit of superimposed trailer bottom side beams manufacture method embodiment one of the present invention.
Fig. 5 is the structural representation of superimposed trailer bottom side beams embodiment one of the present invention.
Fig. 6 is the structural representation of superimposed trailer bottom side beams embodiment two of the present invention.
Fig. 7 is the structural representation of superimposed trailer bottom side beams embodiment three of the present invention.
Fig. 8 is a superimposed trailer bottom side beams leading section structural representation of the present invention.
Fig. 9 is an A-A section-drawing among Fig. 8.
Figure 10 is a superimposed trailer bottom side beams of the present invention rear end thick embryonic knob structure scheme drawing.
Figure 11 is a B-B section-drawing among Figure 10.
Figure 12 is the structural representation behind the superimposed trailer bottom side beams rearward end welding fabrication of the present invention.
Figure 13 is a C-C section-drawing among Figure 12.
The specific embodiment
Superimposed trailer bottom side beams manufacture method of the present invention is used to make following superimposed trailer bottom side beams:
To shown in Figure 13, this superimposed trailer bottom side beams comprises leading section beam 20, rearward end beam 21 and is positioned at this leading section beam 20 and the downside transition additional strengthening of rearward end beam 21 junctions that rearward end beam 21 comprises principal piece as Fig. 5.Leading section beam 20 cross-sectional planes comprise front end upper flange 200, front end lower wing plate 201, the middle transverse slat 202 of front end, front end epiplastron 203 and front end bottom web 204, and the cross-sectional plane of rearward end beam 21 comprises rear end upper flange 210, rear end lower wing plate 211, the middle transverse slat 212 in rear end, rear end epiplastron 213 and rear end bottom web 214.The requirement that the shape of front end upper flange 200, the middle transverse slat 202 of front end and this front end epiplastron 203 between the two is identical with the shape of rear end upper flange 210, the middle transverse slat 212 in rear end and this rear end epiplastron 213 between the two or the satisfied butt joint that adapts is welded to connect; Front end upper flange 200 upper surfaces to the height of middle transverse slat 202 lower surfaces of front end equates or adapts to satisfy the requirement that butt joint is welded to connect with the height of rear end upper flange 210 upper surfaces middle transverse slat 212 lower surfaces to the rear end.The requirement that the shape of front end lower wing plate 201, the middle transverse slat 202 of front end and this front end bottom web 204 between the two is identical with the shape of rear end lower wing plate 211, the middle transverse slat 212 in rear end and this rear end bottom web 214 between the two or the satisfied butt joint that adapts is welded to connect; The height L of front end lower wing plate 201 lower surfaces transverse slat 202 upper surfaces to the front end is less than the height H of rear end lower wing plate 211 lower surfaces of rearward end beam 21 principal pieces transverse slat 212 upper surfaces to the rear end.The concordant mutual butt joint with the upper flange of rearward end beam 21 of leading section beam 20 is welded to connect.
Except above-mentioned as Fig. 5 to the superimposed trailer bottom side beams shown in Figure 13, comprise that also leading section beam 20 and rearward end beam 21 are not provided with the superimposed trailer bottom side beams of middle transverse slat (202,212), promptly the cross-sectional plane of the leading section beam 20 of superimposed trailer bottom side beams, rearward end beam 21 is made up of upper flange, web and lower wing plate.
Superimposed trailer bottom side beams manufacture method embodiment one of the present invention
As shown in Figure 4, superimposed trailer bottom side beams manufacture method of the present invention is:
Roller or squeeze out the thick embryo and the leading section beam 20 of the rearward end beam 21 of superimposed trailer bottom side beams respectively;
As shown in figure 10, at gap between the transverse slat 212 in the middle of the rear end lower wing plate 211 of the butt end of the thick embryo of rearward end beam 21 and the rear end, web material is removed in lower wing plate 211 upper surfaces cutting in the concordant rear end of breach, keeps rear end lower wing plate 211 materials.Form horizontal sides 215 and angled transition limit 216 on the web of material area removing, the bottom-to-top-height that this horizontal sides 215 height of transverse slat 212 upper surfaces to the rear end adds rear end lower wing plate 211 thickness and the front end lower wing plate 201 lower surfaces height L of transverse slat 202 upper surfaces to the front end equates or the satisfied requirement that is welded to connect of docking that adapts;
With on folding horizontal sides 215 that is fitted in rear end bottom web 214 of the rear end lower wing plate that keeps 211 and the angled transition limit 216 and be welded to connect the downside transition additional strengthening that obtains leading section beam 20 and rearward end beam 21 junctions;
The concordant butt joint of butt end upper flange of leading section beam 20 and rearward end beam 21 is welded to connect the butted part structure, obtains superimposed trailer bottom side beams as shown in Figure 7.
When making the superimposed trailer bottom side beams that middle transverse slat is not set, superimposed trailer bottom side beams manufacture method of the present invention and said method are basic identical, difference only is: gap between the rear end lower wing plate of the butt end of the thick embryo of rearward end beam 21 and rear end upper flange, web material is removed in the lower wing plate upper surface cutting of the concordant rear end of breach, keeps rear end lower wing plate material.Form horizontal sides and angled transition limit on the web of removing material area, this horizontal sides to the height of rear end upper flange upper surface adds that the bottom-to-top-height of rear end lower wing plate thickness equates or adapt to satisfy the requirement that butt joint is welded to connect with the height L of front end lower wing plate lower surface to front end upper flange upper surface.
Superimposed trailer bottom side beams manufacture method embodiment two of the present invention
The superimposed trailer bottom side beams manufacture method of present embodiment is:
Roller or squeeze out the prismatic rearward end beam 21 and the leading section beam 20 of superimposed trailer bottom side beams respectively;
As shown in Figure 5, concordant butt joint is welded to connect the butted part structure with rearward end beam 21 upper flanges with leading section beam 20;
At the downside welding L of leading section beam 20 and rearward end beam 21 junctions type connecting panel 24, weld with the downside of leading section beam 20 and the end applying of rearward end beam 21 respectively in the outside, both sides of this L type connecting panel 24;
Superimposed trailer bottom side beams manufacture method embodiment three of the present invention
The superimposed trailer bottom side beams manufacture method of present embodiment is:
Roller or squeeze out the prismatic rearward end beam 21 and the leading section beam 20 of superimposed trailer bottom side beams respectively;
As shown in Figure 6, concordant butt joint is welded to connect the butted part structure with rearward end beam 21 upper flanges with leading section beam 20;
Downside in leading section beam 20 and rearward end beam 21 junctions is welded to connect plate 25, this connecting panel 25 is made of lower end, one side band flanging 255 of L template, weld with the downside of leading section beam 20 and the end applying of rearward end beam 21 respectively in the outside, L type both sides of this connecting panel 25, the downside applying welding of flanging 255 and rearward end beam 21;
In above-mentioned superimposed trailer bottom side beams manufacture method, when welded structure out-of-size scope occurring, after welding is finished, increase the step that the welding deformation of welding connection structure is corrected.
Superimposed trailer bottom side beams of the present invention adopts above-mentioned superimposed trailer bottom side beams manufacture method embodiment one to make.As shown in Figure 7, this superimposed trailer bottom side beams comprises leading section beam 20 and rearward end beam 21, and leading section beam 20 is the cross-sectional plane uniform beam, and rearward end beam 21 comprises principal piece and is positioned at uniform cross section section of docking welded ends and variable section section with leading section beam 20.
As shown in Figure 9, the cross-sectional plane of leading section beam 20 comprises front end upper flange 200, front end lower wing plate 201, the middle transverse slat 202 of front end, front end epiplastron 203 and front end bottom web 204; Shown in Figure 11,13, the cross-sectional plane of rearward end beam 21 comprises rear end upper flange 210, rear end lower wing plate 211, the middle transverse slat 212 in rear end, rear end epiplastron 213 and rear end bottom web 214.The requirement that the shape of front end upper flange 200, the middle transverse slat 202 of front end and this front end epiplastron 203 between the two is identical with the shape of rear end upper flange 210, the middle transverse slat 212 in rear end and this rear end epiplastron 213 between the two or the satisfied butt joint that adapts is welded to connect, front end upper flange 200 upper surfaces to the height of middle transverse slat 202 lower surfaces of front end and the height of rear end upper flange 210 upper surfaces middle transverse slat 212 lower surfaces to the rear end equates or the satisfied requirement that is welded to connect of docking that adapts.The requirement that the shape of front end lower wing plate 201, the middle transverse slat 202 of front end and this front end bottom web 204 between the two is identical with the shape of rear end lower wing plate 211, the middle transverse slat 212 in rear end and this rear end bottom web 214 between the two or the satisfied butt joint that adapts is welded to connect.
Shown in Fig. 9,11, the height L of front end lower wing plate 201 lower surfaces transverse slat 202 upper surfaces to the front end is less than the height H of rear end lower wing plate 211 lower surfaces of rearward end beam 21 principal pieces transverse slat 212 upper surfaces to the rear end.
Front end lower wing plate 201 lower surfaces to the height of middle transverse slat 202 upper surfaces of front end equates (being L) or adapts to satisfy the requirement that butt joint is welded to connect with the height of rear end lower wing plate 211 lower surfaces middle transverse slat 212 upper surfaces to the rear end of the uniform cross section section of rearward end beam 21.
The height of rear end lower wing plate 211 lower surfaces of rearward end beam 21 variable section section small ends middle transverse slat 212 upper surfaces to the rear end equals the height of rear end lower wing plate 211 lower surfaces middle transverse slat 212 upper surfaces to the rear end of rearward end beam 21 uniform cross section sections.
The height of rear end lower wing plate 211 lower surfaces of rearward end beam 21 variable section Duan Daduan middle transverse slat 212 upper surfaces to the rear end equals the height of rear end lower wing plate 211 lower surfaces middle transverse slat 212 upper surfaces to the rear end of rearward end beam 21 principal pieces.
The concordant butt joint welding of the uniform cross section section upper flange of leading section beam 20 and rearward end beam 21 butted part structure, the lower wing plate 211 and the rear end bottom web 214 of rearward end beam 21 uniform cross section sections are welded to connect, and the lower wing plate 211 and the rear end bottom web 214 of rearward end beam 21 variable section sections are welded to connect.
In addition, superimposed trailer bottom side beams of the present invention also comprises the superimposed trailer bottom side beams that middle transverse slat (202,212) is not set, and promptly the cross-sectional plane of the leading section beam 20 of superimposed trailer bottom side beams, rearward end beam 21 is made up of upper flange, web and lower wing plate.
When the centre transverse slat was not set, superimposed trailer bottom side beams structure of the present invention was:
Front end upper flange, front end lower wing plate and before the shape of end web and this front end upper flange upper surface height to the shape of the height of this front end lower wing plate lower surface and rear end upper flange, rear end lower wing plate and the back end web of rearward end beam uniform cross section section and rear end upper flange upper surface to rear end lower wing plate lower surface equate (being L) or adapt the satisfied requirement that is welded to connect of docking.
Front end lower wing plate lower surface to the height of front end upper flange upper surface less than the rear end lower wing plate lower surface of rearward end beam principal piece height to rear end upper flange upper surface.
The rear end lower wing plate lower surface of rearward end beam variable section section small end to the height of rear end upper flange upper surface equals the height of the rear end lower wing plate lower surface of rearward end beam uniform cross section section to rear end upper flange upper surface.
The rear end lower wing plate lower surface of rearward end beam variable section Duan Daduan to the height of rear end upper flange upper surface equals the height of the rear end lower wing plate lower surface of rearward end beam principal piece to rear end upper flange upper surface.
Claims (7)
1. superimposed trailer bottom side beams manufacture method, described superimposed trailer bottom side beams comprises interconnective leading section beam (20) and rearward end beam (21), this rearward end beam comprises principal piece, the cross-sectional plane of this leading section beam comprises front end upper flange (200), front end lower wing plate (201) and preceding end web, and the cross-sectional plane of this rearward end beam comprises rear end upper flange (210), rear end lower wing plate (211) and back end web; The shape of the shape of this front end upper flange, this front end lower wing plate and preceding end web and the described rear end upper flange of this rearward end beam and this leading section beam butt end, this rear end lower wing plate and back end web is corresponding; This front end lower wing plate lower surface to the height of this front end upper flange upper surface less than the rear end lower wing plate lower surface of this rearward end beam principal piece height to this rear end upper flange upper surface; It is characterized in that, concordant mutual butt joint is welded to connect described leading section beam with the upper flange of rearward end beam butt end, described method comprises: roller or squeeze out described leading section beam and rearward end beam respectively is welded to connect the concordant butt joint of upper flange of this leading section beam and rearward end beam butt end the butted part structure and constructs this leading section beam and the downside transition additional strengthening of rearward end beam junction;
Described leading section beam comprises the middle transverse slat (202) of the front end between described front end upper flange and front end lower wing plate, and described rearward end beam comprises the middle transverse slat (212) in the rear end between described rear end upper flange and rear end lower wing plate; In the middle of this front end upper flange, front end in the middle of the height of the shape of transverse slat and this web (203) between the two and this front end upper flange upper surface transverse slat lower surface to this front end and this rear end upper flange, the rear end shape and this rear end upper flange upper surface of transverse slat and this web (213) between the two corresponding to the height of the middle transverse slat lower surface in this rear end; In the middle of this front end lower wing plate, front end in the middle of the shape of transverse slat and this web (204) between the two and this rear end lower wing plate, the rear end shape of transverse slat and this web (214) between the two corresponding, the height of this front end lower wing plate lower surface transverse slat upper surface to this front end is less than the height of the rear end lower wing plate lower surface of this rearward end beam principal piece transverse slat upper surface to this rear end.
2. superimposed trailer bottom side beams manufacture method as claimed in claim 1 is characterized in that, the downside transition additional strengthening of described leading section beam of described structure and rearward end beam junction is realized according to following steps:
At gap between the transverse slat in the middle of the rear end lower wing plate of the butt end of described rearward end beam and the rear end, web material is removed in concordant this rear end lower wing plate upper surface cutting, keeps rear end lower wing plate material; Form horizontal sides (215) and angled transition limit (216) on the web of removing material area, this horizontal sides to the height of the middle transverse slat upper surface in this rear end adds that the bottom-to-top-height of this rear end lower wing plate thickness and described front end lower wing plate lower surface are corresponding to the height of the middle transverse slat upper surface of described front end;
With on folding horizontal sides that is fitted in described web of this rear end lower wing plate and the angled transition limit and be welded to connect the butted part structure.
3. superimposed trailer bottom side beams manufacture method as claimed in claim 1 is characterized in that: the downside transition additional strengthening of described leading section beam of described structure and rearward end beam junction is realized according to following steps:
At the downside welding L of described leading section beam and rearward end beam junction type connecting panel, weld with the downside of this leading section beam and the end applying of this rearward end beam respectively in the outside, both sides of this L type connecting panel;
Gusset is strengthened in inner underside welding at this L type connecting panel.
4. superimposed trailer bottom side beams manufacture method as claimed in claim 3 is characterized in that: the lower end at L type connecting panel and described rearward end beam end connection side, increase horizontal flanging, and this horizontal flanging and this rearward end beam downside are fitted and are welded to connect.
5. as the described superimposed trailer bottom side beams of one of claim 1 to 4 manufacture method, it is characterized in that: comprise the step that the welding deformation of welding connection structure is corrected.
6. a superimposed trailer bottom side beams comprises leading section beam (20) and rearward end beam (21), and described leading section beam is the cross-sectional plane uniform beam, and described rearward end beam comprises principal piece and is positioned at uniform cross section section of docking welded ends and variable section section with this leading section beam;
The cross-sectional plane of this leading section beam comprises front end upper flange (200), front end lower wing plate (201) and preceding end web, and the cross-sectional plane of this rearward end beam comprises rear end upper flange (210), rear end lower wing plate (211) and back end web; This front end upper flange, front end lower wing plate and before the shape of end web and this front end upper flange upper surface to the rear end upper flange of the height of this front end lower wing plate lower surface and the uniform cross section section of this rearward end beam, rear end lower wing plate and afterwards the rear end upper flange upper surface of the shape of end web and these sections is corresponding to the height of the rear end lower wing plate lower surface of these sections;
This front end lower wing plate lower surface to the height of this front end upper flange upper surface less than the rear end lower wing plate lower surface of this rearward end beam principal piece height to the rear end upper flange upper surface of this rearward end beam principal piece;
The rear end lower wing plate lower surface of this rearward end beam variable section section small end to the height of the rear end upper flange upper surface of this rearward end beam variable section section small end equals the height of the rear end lower wing plate lower surface of this rearward end beam uniform cross section section to the rear end upper flange upper surface of this rearward end beam uniform cross section section;
The rear end lower wing plate lower surface of this rearward end beam variable section Duan Daduan to the height of the rear end upper flange upper surface of this rearward end beam variable section Duan Daduan equals the height of the rear end lower wing plate lower surface of this rearward end beam principal piece to the rear end upper flange upper surface of this rearward end beam principal piece;
It is characterized in that: the concordant butt joint welding of the uniform cross section section upper flange of this leading section beam and this rearward end beam butted part structure, the lower wing plate of this rearward end beam uniform cross section section is welded to connect with the back end web, and the lower wing plate of this rearward end beam variable section section is welded to connect with the back end web.
7. superimposed trailer bottom side beams as claimed in claim 6, it is characterized in that: described leading section beam comprises the middle transverse slat (202) of the front end between described front end upper flange and front end lower wing plate, transverse slat (212) in the middle of the rear end of described rearward end beam between described rear end upper flange and rear end lower wing plate;
In the middle of this front end upper flange, front end in the middle of the height of the shape of transverse slat and this web (203) between the two and this front end upper flange upper surface transverse slat lower surface to this front end and this rear end upper flange, the rear end shape and this rear end upper flange upper surface of transverse slat and this web (213) between the two corresponding to the height of the middle transverse slat lower surface in this rear end; The shape of the shape of transverse slat and this web (204) between the two and this rear end lower wing plate, the middle transverse slat in this rear end and this web (214) between the two is corresponding in the middle of this front end lower wing plate, the front end;
The height of this front end lower wing plate lower surface transverse slat upper surface to this front end is less than the height of the rear end lower wing plate lower surface of this rearward end beam principal piece transverse slat upper surface to this rear end;
This front end lower wing plate lower surface height of transverse slat upper surface to this front end is corresponding to the height of this centre, rear end transverse slat upper surface with the rear end lower wing plate lower surface of this rearward end beam uniform cross section section;
The rear end lower wing plate lower surface of this rearward end beam variable section section small end to the height of the middle transverse slat upper surface in this rear end equals the height of the rear end lower wing plate lower surface of this rearward end beam uniform cross section section to the middle transverse slat upper surface in this rear end;
The rear end lower wing plate lower surface of this rearward end beam variable section Duan Daduan to the height of the middle transverse slat upper surface in this rear end equals the height of the rear end lower wing plate lower surface of this rearward end beam principal piece to the middle transverse slat upper surface in this rear end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100744967A CN101306700B (en) | 2007-05-17 | 2007-05-17 | Manufacture method of bottom side beam for semi-trailer and bottom side beam made by the method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100744967A CN101306700B (en) | 2007-05-17 | 2007-05-17 | Manufacture method of bottom side beam for semi-trailer and bottom side beam made by the method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101306700A CN101306700A (en) | 2008-11-19 |
| CN101306700B true CN101306700B (en) | 2010-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007100744967A Expired - Fee Related CN101306700B (en) | 2007-05-17 | 2007-05-17 | Manufacture method of bottom side beam for semi-trailer and bottom side beam made by the method |
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| Country | Link |
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| CN (1) | CN101306700B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102059513B (en) * | 2010-11-23 | 2012-04-11 | 南车南京浦镇车辆有限公司 | Process for manufacturing integral chassis towing beam for railway passenger vehicle |
| CN103129622A (en) * | 2011-11-25 | 2013-06-05 | 中集车辆（集团）有限公司 | Trailer longitudinal-beam web plate and preparation method thereof |
| CN103192189B (en) * | 2013-04-12 | 2015-05-27 | 深圳中集专用车有限公司 | Semitrailer girder structure and welding process thereof |
| CN109367626A (en) * | 2018-09-08 | 2019-02-22 | 石家庄金多利专用汽车有限公司 | A kind of semitrailer girder structure and its welding procedure |
-
2007
- 2007-05-17 CN CN2007100744967A patent/CN101306700B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101306700A (en) | 2008-11-19 |
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Effective date of registration: 20161221 Address after: Harbour Road Shekou Industrial District of Shenzhen City, Guangdong province 518067 No. 2 CIMC R & D Center Patentee after: CIMC Vehicle (Group) Co., Ltd. Address before: Harbour Road Shekou Industrial District of Shenzhen City, Guangdong province 518067 No. 2 CIMC Research Center Building Patentee before: Chinese International Shipping Container (Group) Co Ltd Patentee before: Guangdong Xinhui CIMC Special Transport Equipments Co., Ltd. |
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Granted publication date: 20100818 Termination date: 20170517 |