CN103365251A - Steel structure implementation method for streamline-shaped contour of locomotive - Google Patents
Steel structure implementation method for streamline-shaped contour of locomotive Download PDFInfo
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- CN103365251A CN103365251A CN2013102848326A CN201310284832A CN103365251A CN 103365251 A CN103365251 A CN 103365251A CN 2013102848326 A CN2013102848326 A CN 2013102848326A CN 201310284832 A CN201310284832 A CN 201310284832A CN 103365251 A CN103365251 A CN 103365251A
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Abstract
The invention discloses a steel structure implementation method for a streamline-shaped contour of a locomotive. The method comprises the following steps: cutting a generated locomotive streamline-shaped head three-dimensional model figure at a set interval to obtain an external shape curve of a locomotive streamline-shaped three-dimensional model; performing parallel space cutting on the external shape curve to obtain shape curves of the locomotive streamline-shaped head three-dimensional model in three axis directions, wherein the external shape of the locomotive streamline-shaped head three-dimensional model is formed by space lattices constituted by the shape curves; generating the three-dimensional model of a planar plate girder of a locomotive streamline-shaped head on the basis of the shape curves; cutting the planar plate girder by using numerical control cutting equipment according to the three-dimensional model of the planar plate girder; and performing assembly welding on the planar plate girder according to the actual position to form a steel structure of the streamline-shaped locomotive head. According to the steel structure implementation method, the economic cost of the steel structure design model of the three-dimensional curved surface locomotive head can be reduced.
Description
Technical field
The embodiment of the invention relates to the electric locomotive technical field, relates in particular to a kind of steel construction implementation method of locomotive streamlined contour.
Background technology
Along with the development of railway cause towards the high speed direction, locomotive has also proposed requirement to the locomotive profile when function aspects improves constantly.Streamlined locomotive profile not only visually gives eyeable sensation, and can greatly reduce air resistance.Along with the raising of train speed, the air resistance that train is subject to sharply strengthens, but locomotive at a high speed by the time, disturbance obviously strengthens to surrounding air, and static air pressure is changed rapidly, thereby affects the traffic safety of locomotive.Low energy consumption when realizing the express locomotive operation, safe, comfortable and reduce impact on surrounding air, increasing locomotive design is streamlined in recent years, to change the dynamic performance of express locomotive.
The keypoint part of streamlined locomotive profile is headstock, i.e. the cab part at driver and conductor place.Safety requirements according to locomotive design, cab will have enough strength and stiffness, come to harm the locomotive middle driver and conductor that crashes avoiding, so the locomotive cab material therefor is generally the high-quality steel, form a kind of box structure to satisfy such requirement by welding.Locomotive capitiform of the prior art is generally rectangle or approximate rectangle, utilize welded structure to realize easily, and streamlined locomotive profile mostly is three-dimension curved surface, uses traditional box structure beam can't realize; And if adopt three-dimensional curved beam, manufacturing cost will increase greatly.
Summary of the invention
The invention provides a kind of steel construction implementation method of locomotive streamlined contour, in order to solve defective of the prior art, reduce the financial cost of the Steel Structural Design model of three-dimension curved surface locomotive head dummy.
The embodiment of the invention provides a kind of steel construction implementation method of locomotive streamlined contour, and the steel construction implementation method of this locomotive streamlined contour comprises:
The streamlined capitiform three-dimensional model diagram of locomotive that generates is cut to set spacing, obtain the outer shape curve of the streamlined capitiform three-dimensional model of described locomotive;
Described outer shape curve is carried out the parallel distance cutting, obtain the streamlined capitiform three-dimensional model of described locomotive at the pattern curve of three axis directions, the space lattice that described pattern curve consists of forms the outer shape of the streamlined capitiform three-dimensional model of described locomotive;
Generate the three-dimensional model of the plane plate-girder of the streamlined capitiform of described locomotive as the basis take described pattern curve;
Utilize numerical control cutting equipment to cut out the plane plate-girder according to the three-dimensional model of described plane plate-girder;
Described plane plate-girder is grouping welding according to the residing position of reality, forms the steel construction of streamlined locomotive head dummy.
The steel construction implementation method of locomotive streamlined contour provided by the invention, the streamlined capitiform three-dimensional model diagram of locomotive that generates is carried out a series of processing, thereby generate the three-dimensional model of the plane plate-girder of the streamlined capitiform of locomotive, utilize numerical control cutting equipment to cut out the plane plate-girder according to the three-dimensional model of plane plate-girder, take the plane plate-girder as the basis, arrange on request at different directions by the plane plate-girder, form the space networks trellis, thereby form streamlined locomotive profile steel construction, realized realizing the three-dimension curved surface profile by two-dimentional beam, and satisfy locomotive intensity, rigidity requirement, and manufacture craft is feasible, cost have with respect to prior art and add significant reduction.
Description of drawings
The schematic flow sheet of the steel construction implementation method of a kind of locomotive streamlined contour that Fig. 1 provides for one embodiment of the invention.
Fig. 2 is the schematic diagram of the streamlined capitiform three-dimensional model diagram of locomotive that the embodiment of the invention was suitable for.
Fig. 3 is the shape line chart of the streamlined capitiform steel construction of locomotive that the embodiment of the invention was suitable for.
Fig. 4 is the schematic diagram of the plane plate-girder that the embodiment of the invention was suitable for.
Fig. 5 is the wiring layout of the plane plate-girder of the streamlined locomotive head formed steel construction that the embodiment of the invention was suitable for.
Embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention clearer, below in conjunction with the accompanying drawing in the embodiment of the invention, technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
The schematic flow sheet of the steel construction implementation method of a kind of locomotive streamlined contour that Fig. 1 provides for one embodiment of the invention; As shown in Figure 1, the steel construction implementation method of the locomotive streamlined contour in the embodiment of the invention specifically comprises the steps:
The steel construction implementation method of locomotive streamlined contour provided by the invention, the streamlined capitiform three-dimensional model diagram of locomotive that generates is carried out a series of processing, thereby generate the three-dimensional model of the plane plate-girder of the streamlined capitiform of locomotive, utilize numerical control cutting equipment to cut out the plane plate-girder according to the three-dimensional model of plane plate-girder, take the plane plate-girder as the basis, arrange on request at different directions by the plane plate-girder, form the space networks trellis, thereby form streamlined locomotive profile steel construction, realized realizing the three-dimension curved surface profile by two-dimentional beam, and satisfy locomotive intensity, rigidity requirement, and manufacture craft is feasible, cost have with respect to prior art and add significant reduction.
Further, above-mentioned embodiment illustrated in fig. 1 in, step 102 can also comprise: take three orthogonal coordinate surfaces of spatial coordinate axle as basal plane, described outer shape curve is carried out the parallel distance cutting.
Further, above-mentioned embodiment illustrated in fig. 1 in, the layout of plane plate-girder is take 150-300mm as the interval.
Further, above-mentioned embodiment illustrated in fig. 1 in, the contour curve of plane plate-girder is the Two Dimensional Free curve.
Further, above-mentioned embodiment illustrated in fig. 1 in, step 103 can also comprise: take described pattern curve as the basis, to set width and to set the three-dimensional model that thickness generates the plane plate-girder of the streamlined capitiform of described locomotive.
Further, above-mentioned embodiment illustrated in fig. 1 in, generate the streamlined capitiform three-dimensional model of described locomotive by 3D sculpting software.
In order to understand in more detail the described technical scheme of the embodiment of the invention, below in conjunction with Fig. 2～Fig. 5 the technical scheme of the embodiment of the invention is described in detail.Fig. 2 is the schematic diagram of the streamlined capitiform three-dimensional model diagram of locomotive that the embodiment of the invention was suitable for, Fig. 3 is the shape line chart of the streamlined capitiform steel construction of locomotive that the embodiment of the invention was suitable for, Fig. 4 is the schematic diagram of the plane plate-girder that the embodiment of the invention was suitable for, and Fig. 5 is the wiring layout of the plane plate-girder of the streamlined locomotive head formed steel construction that the embodiment of the invention was suitable for.
As shown in Figure 2, at first the applying three-dimensional modeling software carries out the three-dimensional model moulding to the locomotive streamlined contour, produces the streamlined head dummy three-dimensional model 21 of satisfactory locomotive.Further, 3D sculpting software is specifically as follows: any among PROE, CATIA, the IDEAS.
As shown in Figure 3, model is carried out the outside shape line extraction of different directions, generally be to carry out with the X-axis in the three-dimensional coordinate system, Y-axis, three directions of Z axis, form the net-shaped line chart of whole model, this net-shaped line chart is the outer shape of the streamlined capitiform three-dimensional model of locomotive.Particularly, can adopt relevant order to the streamlined head dummy three-dimensional model of locomotive by 3D sculpting software, to set spacing, the streamlined head dummy three-dimensional model cutting of locomotive is generated the outer shape curve of the streamlined head dummy three-dimensional model of locomotive, this cut surface must be the plane, can be with XY, YZ, three orthogonal coordinate surfaces of ZX are basal plane, carry out the parallel distance cutting, thereby obtain three-dimensional model in X-axis, Y-axis, the pattern curve of three directions of Z axis, the space lattice that these pattern curves consist of has just formed the outer shape 31 of the streamlined capitiform three-dimensional model of locomotive.
As shown in Figure 4, generate the three-dimensional model diagram of plane plate-girder as the basis take a certain shape line of outer shape.Because cut surface is the plane, so pattern curve is exactly the plane free curve, take pattern curve as the basis, compose with width and thickness, just generated the three-dimensional model 41 of plane plate-girder.
As shown in Figure 5, the three-dimensional model of plane plate-girder is generated CAD figure or dxf file, numerical control cutting equipment just can accurately cut out the plane plate-girder according to CAD figure or dxf file, and the plane plate-girder is grouping welding according to its actual residing position, has formed the steel construction 51 of streamlined locomotive head dummy.
The steel construction implementation method of locomotive streamlined contour provided by the invention, realize three-D space structure by two-dimentional beam, take the plane plate-girder as the basis, arrange on request at different directions by the plane plate-girder, form the space networks trellis, thereby realize streamlined locomotive profile steel construction, and satisfy locomotive intensity, rigidity requirement, and manufacture craft is feasible, and cost has with respect to prior art and adds significant reduction.Type patent of the present invention is applicable to railway locomotive, passenger vehicle or other field, the implementation method of streamlined contour steel construction.
It should be noted that at last: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment puts down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (6)
1. the steel construction implementation method of a locomotive streamlined contour is characterized in that, the steel construction implementation method of described locomotive streamlined contour comprises:
The streamlined capitiform three-dimensional model diagram of locomotive that generates is cut to set spacing, obtain the outer shape curve of the streamlined capitiform three-dimensional model of described locomotive;
Described outer shape curve is carried out the parallel distance cutting, obtain the streamlined capitiform three-dimensional model of described locomotive at the pattern curve of three axis directions, the space lattice that described pattern curve consists of forms the outer shape of the streamlined capitiform three-dimensional model of described locomotive;
Generate the three-dimensional model of the plane plate-girder of the streamlined capitiform of described locomotive as the basis take described pattern curve;
Utilize numerical control cutting equipment to cut out the plane plate-girder according to the three-dimensional model of described plane plate-girder;
Described plane plate-girder is grouping welding according to the residing position of reality, forms the steel construction of streamlined locomotive head dummy.
2. the steel construction implementation method of locomotive streamlined contour according to claim 1 is characterized in that, the described step that described outer shape curve is carried out parallel distance cutting comprises:
Take three orthogonal coordinate surfaces of spatial coordinate axle as basal plane, described outer shape curve is carried out the parallel distance cutting.
3. the steel construction implementation method of locomotive streamlined contour according to claim 1 is characterized in that, the layout of described plane plate-girder is take 150-300mm as the interval.
4. the steel construction implementation method of locomotive streamlined contour according to claim 1 is characterized in that, the contour curve of described plane plate-girder is the Two Dimensional Free curve.
5. the steel construction implementation method of arbitrary described locomotive streamlined contour is characterized in that according to claim 1～4, and the step of the three-dimensional model of the described plane plate-girder that generates the streamlined capitiform of described locomotive take described pattern curve as the basis comprises:
Take described pattern curve as the basis, to set width and to set the three-dimensional model that thickness generates the plane plate-girder of the streamlined capitiform of described locomotive.
6. the steel construction implementation method of locomotive streamlined contour according to claim 5 is characterized in that, generates the streamlined capitiform three-dimensional model of described locomotive by 3D sculpting software.
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| KR20020045936A (en) * | 2000-12-12 | 2002-06-20 | 정재문 | Auto application equipment and method |
| CN1634735A (en) * | 2003-12-26 | 2005-07-06 | 中南大学 | Design and process method for profile and structure of streamline locomotive |
| CN101181926A (en) * | 2007-09-07 | 2008-05-21 | 沪东中华造船(集团)有限公司 | Sectionalized assembling method for ship bow luff part |
| CN101347897A (en) * | 2008-08-23 | 2009-01-21 | 唐山轨道交通装备有限责任公司 | Method for molding hyperbolic streamlined bridge abutment moulding plate space surface |
| CN101794458A (en) * | 2010-04-19 | 2010-08-04 | 李楚雅 | Three-dimensional model curve cutting method |
| CN102019999A (en) * | 2010-12-10 | 2011-04-20 | 广州中船黄埔造船有限公司 | Horizontal general assembly method of curved surface sections of fore body |
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- 2013-07-08 CN CN2013102848326A patent/CN103365251A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020045936A (en) * | 2000-12-12 | 2002-06-20 | 정재문 | Auto application equipment and method |
| CN1634735A (en) * | 2003-12-26 | 2005-07-06 | 中南大学 | Design and process method for profile and structure of streamline locomotive |
| CN101181926A (en) * | 2007-09-07 | 2008-05-21 | 沪东中华造船(集团)有限公司 | Sectionalized assembling method for ship bow luff part |
| CN101347897A (en) * | 2008-08-23 | 2009-01-21 | 唐山轨道交通装备有限责任公司 | Method for molding hyperbolic streamlined bridge abutment moulding plate space surface |
| CN101794458A (en) * | 2010-04-19 | 2010-08-04 | 李楚雅 | Three-dimensional model curve cutting method |
| CN102019999A (en) * | 2010-12-10 | 2011-04-20 | 广州中船黄埔造船有限公司 | Horizontal general assembly method of curved surface sections of fore body |
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Application publication date: 20131023 |