CN104002828A - Wagon arc side wall assembly production process - Google Patents
Wagon arc side wall assembly production process Download PDFInfo
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- CN104002828A CN104002828A CN201410239318.5A CN201410239318A CN104002828A CN 104002828 A CN104002828 A CN 104002828A CN 201410239318 A CN201410239318 A CN 201410239318A CN 104002828 A CN104002828 A CN 104002828A
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Abstract
The invention relates to a wagon arc side wall assembly production process. The wagon arc side wall assembly comprises a first side wall plate, a second side wall plate and a third side wall plate which are cambered and welded successively from the top to the bottom. An upper side beam assembly is welded and fixed on a top end plate wall of the first side wall plate. A side wall stiffening beam assembly is welded and fixed longitudinally at the first side wall plate and second side wall plate side wall welding position. A lower side beam assembly is welded and fixed longitudinally at the second side wall plate and third side wall plate welding position. A lower side beam reinforcing beam assembly is welded and fixed longitudinally below the lower side beam assembly. According to the production process, by the side wall plate longitudinal splicing design mode and different-thickness design, spliced welded joints are hidden, the spliced welded joint length is reduced effectively, the joint groove machining amount and the welding material consumption are reduced, the production efficiency is improved, and costs are saved; the side wall flatness is controlled effectively, and the appearance is attractive; the process is simplified, the production difficulty and the labor intensity are reduced, the tooling equipment investment is simple, and the efficiency is improved effectively.
Description
Technical field
The present invention relates to the manufacturing process that a kind of circular arc side wall forms, especially relate to the manufacturing process that a kind of railway truck circular arc side wall forms.
Background technology
Along with social development, newly-increased, the enlarging of global rail facility, the railway transportation demand of mineral resources is significantly enhanced.At present; the railway truck of bearing mineral resources transportation mainly be take open-top car, hopper car as main; wherein hopper car mostly adopts circular arc sidewall structure; mainly by circular arc framed side wallboard, top chord, bottom side rail and strength beam etc., formed; be convenient to increase vehicle body volume; and design the automatic unloading that opening structure at the bottom of control formula is realized particle or block bulk freight, become one of principal mode railway truck of transportation mineral resources.
Circular arc sidewall structure is because of vehicle technology parameter difference, its side wall can design different radian forms, the length of its side wall is generally greater than 6m, is subject to the supplied materials dimensional restriction of plate and for the consideration of stock utilization, nearly all hopper car circular arc framed side wallboard has all adopted the splicing construction of polylith plate.At present rail way hopper wagon circular arc framed side wallboard adopts that multi-sheets is horizontally-spliced to be formed more, need to be through operations such as round as a ball, circular arc splicings, the planeness of its splicing regions is difficult to guarantee, manufacture difficulty is large, Fabrication procedure is complicated, and frock has high input, and production efficiency is lower, and horizontally-spliced weld seam is important outward appearance weld seam, and its moulding situation also directly affects the outward appearance of car load.
At present, the circular arc framed side wallboard of railway hopper car circular arc sidewall structure all adopts horizontally-spliced mode, and every framed side wallboard is spliced by polylith plate, and its main manufacturing process is as follows:
1, side wall process conditions blanking: carry out the blanking of side wall process conditions according to the width scale of sheet material coiled strip, every side wall at least needs 5 side wall process conditions to splice, Vehicle length determines the quantity of the required side wall process conditions of splicing.
2, side wall process conditions is round as a ball: adopt spheronizator to framed side wallboard process conditions rolling circular arc.
3, the assembled and welding of circular arc in framed side wallboard: the side wall process conditions of the good circular arc of rolling is winched to the assembled position of foetus of interior circular arc framed side wallboard successively and be grouping, clearance control 0～2mm, the amount of grinding one's teeth≤0.5mm, assemble that qualified to position solid welding fixed, and at two ends, (receipts) arc plate is drawn in assembling, adopts MAG semiautomatic welding or automatic welding process to complete successively interior circular arc splicing welding joint.
4, framed side wallboard external arc splicing welding joint welding: utilize special hanger and overhead traveling crane etc. to form and winch to the assembled position of foetus of external arc framed side wallboard and carry out dropping place clamping completing interior circular arc end wall panel assembled and welding, adopt milling tools to the splicing welding joint reverse side back chipping of polishing, adopt MAG semiautomatic welding or automatic welding process to weld successively outer arc splicing welding joint.Complete hanging on curb girder after welding and assemble, assemble and carry out tack welding after qualified and fix.
5, assembling bottom side rail and other play the accessory of strengthening side wall rigidity, load-carrying capacity: the side wall that upper operation is completed forms the assembling such as the accessory that the winches to bottom side rail position of foetus, carrying out left-hand thread falls into the circular arc position of foetus and positions clamping, assemble successively bottom side rail and other and play the accessory of strengthening side wall rigidity, load-carrying capacity, assemble and carry out tack welding after qualified and fix, and weld zone weld seam.
There is following shortcoming in above-mentioned prior art:
Railway hopper car is designed circular arc sidewall structure at present, is subject to raw MAT'L dimensional restriction, and its circular arc framed side wallboard mainly adopts horizontally-spliced mode, and every side wall has at least 5 side wall process conditions and is spliced, and its technical disadvantages is as follows:
1) circular arc side wall consists of the important stressed load bearing component of railway hopper car, strained condition is generally more even longitudinally for it, but the strained condition of its transverse lower portion is complicated more than the strained condition on horizontal top, bottom carrying is much larger than top, and conventional circular arc framed side wallboard adopts horizontally-spliced mode, and the design thickness of slab of monoblock framed side wallboard is consistent, cannot realize the equal strength design of the different thicknesss of slab in framed side wallboard upper and lower part, be unfavorable for alleviating dead weight of vehicle, cause waste of material, cost increases.
2) horizontally-spliced mode is difficult to realize the equal strength design of the different thicknesss of slab in framed side wallboard upper and lower part, and for guaranteeing load-carrying capacity and rigidity, the general design of thickness of slab of monoblock framed side wallboard is greater than 4mm, and load-carrying is larger, and design thickness of slab can increase thereupon.Design and manufacture technology generally needs first round as a ball rear splicing, and the special circular arc splicing position of foetus need to be set, and the side wall assembling position of foetus also needs to arrange profiling circular arc, and operation and frock more complicated drop into also greatlyr, and are unfavorable for suppressing the welding anti-distortion of top chord, bottom side rail.If cancel round as a ball operation, framed side wallboard is taked the process program that carries out circular arc profiling assembling after flat plate splicing, is generally not easy to the preparation of side wall circular arc, is difficult to meet the requirement of car load assembling.
3) by every circular arc side wall, at least by 5 side wall process conditions, splice calculation, horizontally-spliced scheme has 4 splicing welding joints at least, and along with the increase of vehicle design length, splicing welding joint can be more, and weld time is long, and work capacity is large.
While adopting automatic welding, if adopt an automatic welding device, whole splicing need to repeatedly be adjusted position of weld just can complete the welding of all splicing welding joints, is difficult to realize once adjust the process program having welded; If adopt many automatic welding devices to realize welding simultaneously, manually drop into, equipment investment is huge, manufacturing cost is high.
While adopting semiautomatic welding or manual welding, operating personnel need to weld on arc surface, have larger potential safety hazard, and efficiency is lower, and welding quality is difficult to effectively be guaranteed.
4) the horizontally-spliced weld seam quantity of circular arc framed side wallboard is more, and it is larger that the group of polylith arc plate is controlled difficulty to gap, unfitness of butt joint, and all horizontally-spliced weld seams are side wall outward appearance weld seam, and the quality of appearance of weld directly affects the attractive in appearance of car load.
5) horizontally-spliced weld seam overall length is generally longer, for guaranteeing outward appearance joining quality, need to prepare groove, groove processing capacity and wlding consumption are larger, for guaranteeing joining quality, every weld seam two ends also need to be equipped with draws (receipts) arc plate, drawing (receipts) arc plate needs special blanking, and is processed into the slope type consistent with joints, and the auxiliary input needing is relatively large.
Summary of the invention
Above-mentioned technical matters of the present invention is mainly solved by following technical proposals:
The manufacturing process that railway truck circular arc side wall forms, is characterized in that, comprises the following steps:
Step 1, longitudinal spliced the first framed side wallboard, the second framed side wallboard, the 3rd framed side wallboard on the horizontal position of foetus, first the first framed side wallboard, the second framed side wallboard, the 3rd framed side wallboard are winched to the assembling position of foetus, group is fixed adjusting laggard row tack welding, because splicing is docking or the overlap joint of beveling of the edge or square groove, so the first framed side wallboard, the second framed side wallboard, the 3rd framed side wallboard can be different thicknesss of slab, the thickness of slab of three the first framed side wallboards, the second framed side wallboard, the 3rd framed side wallboard can be between two different or three all different; Assemble qualified employing auxiliary mould and compress each framed side wallboard splicing welding joint place, make itself and the horizontal position of foetus closely connected, adopt MAG automatic process or semiautomatic welding technique to complete the front welding of splicing welding joint; Must not be from two ends to middle welding during welding;
Step 2, line assembling top chord forms, and side wall strength beam forms, and positions solid welding fixed under impaction state; During tack welding, should weld from the middle to both ends; This top chord forms and comprises the top chord that a cross section is U-shaped, two ends be fixed with top chord shrouding parallel with top chord cross section in top chord; Parallelly with top chord shrouding between two top chord shroudings be fixed with some top chord dividing plates; Side wall strength beam forms the side wall strength beam that comprises a hollow, and side wall strength beam two ends are welded with side wall strength beam shrouding side wall strength beam is sealed into a fully enclosed side wall strength beam;
Step 3, the side wall that step 2 is assembled partly winches to the assembling position of foetus, and line assembling bottom side rail forms, and this bottom side rail forms and comprises that a cross section is trapezoidal bottom side rail, a waist of bottom side rail is opening, and another waist is for sealing and be welded on the weld of the second framed side wallboard and the 3rd framed side wallboard; Bottom side rail two ends are welded with bottom side rail shrouding, and bottom side rail shrouding is comprised of two shroudings that be arranged in parallel; Between the shrouding that two be arranged in parallel, be provided with some dividing plates and bottom side rail stiffening plate; Bottom side rail stiffening plate comprises a stiffening plate, and stiffening plate both sides are arc; After forming, line assembling bottom side rail under impaction state, positions solid welding fixed; Prefabricated bottom side rail reversible deformation, completes bottom and framed side wallboard weld seam, welds after staying car load to assemble with framed side wallboard top weld seam again; Respectively prefabricated top chord forms, and weld seam relevant to framed side wallboard welded successively in the reversible deformation that side wall strength beam forms under impaction state; Must not be from two ends to middle welding during welding;
Step 4, the rear employing overhead traveling crane of completing steps 3 and special hanger make side wall form turn-over, adopt MAG automatic welding to weld successively the reverse side splicing welding joint of the first framed side wallboard, the second framed side wallboard, the 3rd framed side wallboard; Must not be from two ends to middle welding during welding; Welded the hand-held plasma cutting removal of rear employing splicing welding joint two ends and drawn/receive arc plate, and the cutting part of polishing is to seamlessly transitting;
Step 5, after completing steps 4, enter the added assembling procedure of car load, the body part that adopts added assembling tyre frock, fixture that framed side wallboard and headwall composition, dividing plate are formed is realized profiling laminating, prepares side wall circular arc, after pasting sternly, carry out tack welding and fix, realize car load assembling;
Step 6, for guaranteeing car load assembling quality, reduces car load assembling difficulty, and bottom side rail is strengthened forming, and strengthens after column is stayed the added welder's of turning over order of completing steps 5 assembling, welding; This bottom side rail strength beam forms and comprises a bottom side rail strength beam, bottom side rail strength beam comprises a splice after die mould, this splice is L shaped, this curb girder strength beam forms and comprises that two one end of one, two plate one of plate and one end of plate two that tilt to weld with bottom side rail strength beam wooden partition are welded and fixed; The other end of two plates one is welded with bottom side rail strength beam shrouding; It is that trapezoidal bottom side rail is strengthened stiffening plate that the side of two plates one is also welded with cross section, and it is parallel with plate one that bottom side rail is strengthened stiffening plate; Bottom side rail strength beam shrouding is parallel with the shrouding that bottom side rail forms; It is U-shaped or trapezoidal or triangle that side wall is strengthened column; According to above-mentioned bottom side rail strength beam composition structure and side wall, strengthen pillar construction assembles, welds after the added welder's of the turning over order at completing steps 5.
The manufacturing process forming at the railway truck circular arc side wall of above-mentioned a kind of longitudinal spliced and equal strength design, in step 1, the drawing/receive arc plate and can prepare in the lump when framed side wallboard blanking of splicing welding joint two ends.
Therefore, tool of the present invention has the following advantages: 1. a kind of longitudinal spliced railway truck circular arc sidewall structure designing with equal strength is provided, framed side wallboard adopts longitudinal spliced mode, longitudinal spliced weld seam is not more than 2, effectively reduce splicing welding joint length, reduce joint bevel processing capacity and wlding consumption, contribute to promote the rate that comes into force, cost-saving; 2. framed side wallboard is taked longitudinal spliced, can be according to carrying demand choose reasonable, realize and do not wait the longitudinal spliced of thickness of slab, by assemblies such as top chord, side wall strength beam and bottom side rails, realize framed side wallboard thickness of slab splicing and equicohesive design such as not, in the situation that reducing deadweight, minimizing material consumption, guarantee enough loading strengths and rigidity, make benefit extension; 3. outside framed side wallboard, longitudinal spliced weld seam can be arranged at the assembly belows such as side wall strength beam and lower side wall, effectively hiding, makes whole sidewall structure outside without appreciiable splicing welding joint, and side wall planeness is effectively controlled, appearance looks elegant; 4. longitudinal side wall connecting method can be realized and not wait thickness of slab longitudinal spliced, according to car body strained condition, can design upper side wallboard thickness of slab lower than lower side wallboard thickness of slab, side wall arc section is designed in framed side wallboard top, can make full use of compared with sheet member and hold yielding feature, its side wall radian car load assembling procedure by pinch device roll upper side wallboard laminating headwall, dividing plate circular arc is prepared, without the round as a ball operation of customized design framed side wallboard, horizontally-spliced weld seam can directly carry out assembled welding at platform, more easily realizes automatic welding and has once welded.Whole sidewall structure has fabulous anufacturability, and operation is simplified, and manufacture difficulty and labour intensity reduce, and tooling device drops into simple, and efficiency is effectively promoted; 5. longitudinally side wall connecting method can not wasted under the prerequisite of material, (receipts) arc plate that draws at splicing welding joint two ends is processed with framed side wallboard in the lump cutting stock and groove, welded and adopted hand-held plasma cutting to remove, without independent preparation, cost-saving, quality control is more reliable; 6. the side wall parts such as top chord composition, bottom side rail composition carry out assembly welding on the horizontal position of foetus, more easily carry out reversible deformation prefabricated, work simplification.
Accompanying drawing explanation
Accompanying drawing 1 is that the railway truck circular arc side wall of longitudinal spliced in the present invention and equal strength design forms structural front view.
Accompanying drawing 2 is that the railway truck circular arc side wall of longitudinal spliced in the present invention and equal strength design forms structure side view.
Accompanying drawing 3 is that in the present invention, framed side wallboard forms schematic diagram.
Accompanying drawing 4 is that in the present invention, top chord forms schematic three dimensional views.
Accompanying drawing 5 is that in the present invention, side wall strength beam forms schematic three dimensional views.
Accompanying drawing 6 is that in the present invention, bottom side rail forms schematic three dimensional views.
Accompanying drawing 7 is that in the present invention, bottom side rail strength beam forms schematic three dimensional views.
Accompanying drawing 8 is in the present invention, to strengthen column schematic three dimensional views.
Accompanying drawing 9 is reversible deformation compacting schematic diagrams in the present invention.
The specific embodiment
Below by embodiment, and by reference to the accompanying drawings, technical scheme of the present invention is described in further detail.In figure, top chord forms 1, circular arc framed side wallboard forms 2, side wall strength beam forms 3, side wall is strengthened column 4, bottom side rail forms 5, bottom side rail strength beam forms 6, the first framed side wallboard 7, longitudinal spliced weld seam 1, the second framed side wallboard 9, longitudinal spliced weld seam 2 10, the 3rd framed side wallboard 11, top chord shrouding 12, top chord 13, top chord dividing plate 14, side wall strength beam shrouding 15, side wall strength beam 16, bottom side rail shrouding 17, bottom side rail stiffening plate 18, bottom side rail dividing plate 19, bottom side rail 20, the first bottom side rail strength beam dividing plate 21, the second bottom side rail strength beam dividing plate 22, bottom side rail strength beam 23, bottom side rail strength beam shrouding 24, bottom side rail is strengthened stiffening plate 25.
Embodiment:
One, paper structure of the present invention:
The invention provides a kind of longitudinal spliced railway truck circular arc sidewall structure (Fig. 1, Fig. 2) designing with equal strength, its structure is: comprise Fig. 3 the first framed side wallboard, the second framed side wallboard, the 3rd framed side wallboard, Fig. 4 top chord forms, Fig. 5 side wall strength beam forms, Fig. 6 bottom side rail forms, Fig. 7 bottom side rail is strengthened forming, and Fig. 8 strengthens column etc.
Seaming position in wherein said Fig. 3 framed side wallboard structure can be adjusted according to actual, but splicing welding joint outside finally need be placed in the bottom that Fig. 5 side wall strength beam forms or Fig. 6 bottom side rail forms, to reach the object of hiding splicing welding joint.
The first framed side wallboard in wherein said Fig. 3 in framed side wallboard structure, the second framed side wallboard, the 3rd framed side wallboard are can be different thicknesss of slab, by designing monolateral or bilateral double V-groove joint geometry, carry out whole framed side wallboard of longitudinal spliced one-tenth, guarantee through welding, certainly can adopt form or the joint form of plate docking square groove, it should be noted that, can, according to actual sheet material size, only adopt two framed side wallboards to carry out longitudinal spliced.
In wherein said Fig. 3, the second framed side wallboard can be identical with the design thickness of slab of the 3rd framed side wallboard, can and order material size and manufacture with a material according to the height of rolling stock, do not splice.
Wherein said Fig. 4 top chord composition is placed in side wall top, with framed side wallboard by being welded to connect, play and strengthen the effect that loading strength and rigidity are put forward in sidewall structure increasing, its sectional dimension and shape can be definite flexibly according to design load bearing requirements, and structure is mainly formed by part 12 top chord shroudings, part 13 top chords, part 14 top chord dividing plate assembly weldings.
Wherein said Fig. 5 side wall strength beam composition is placed in side wall middle part, with framed side wallboard by being welded to connect, when playing reinforcement sidewall structure loading strength and stiffness, can effectively block the longitudinal spliced weld seam of design outward appearance, realize smoothly the not uniform thickness equal strength design of framed side wallboard, guarantee outward appearance build guality.Its sectional dimension and shape can be definite flexibly according to design load bearing requirements, and structure is mainly formed by part 15 side wall strength beam shroudings, part 16 side wall strength beam assembly weldings.
Wherein said Fig. 6 bottom side rail composition is placed in side wall bottom, with framed side wallboard by being welded to connect, when playing reinforcement sidewall structure loading strength and stiffness, can effectively block the longitudinal spliced weld seam of design outward appearance, realize smoothly the not uniform thickness equal strength design of framed side wallboard, guarantee outward appearance build guality.Its sectional dimension and shape also can be definite flexibly according to design load bearing requirements, and structure is mainly formed by part 17 bottom side rail shroudings, part 18 bottom side rail stiffening plates, part 19 bottom side rail dividing plates, part 20 bottom side rail assembly weldings.
Wherein said Fig. 7 bottom side rail strength beam forms with Fig. 3 framed side wallboard and Fig. 6 bottom side rail and forms by being welded to connect, play the effect of strengthening side wall overall construction intensity and rigidity, can consider whether must design according to the design load bearing requirements of railway, its sectional dimension and shape can be definite flexibly according to design load bearing requirements, and structure is mainly formed by assembly weldings such as part 21 first bottom side rail strength beam dividing plates, part 22 second bottom side rail strength beam dividing plates, part 23 bottom side rail strength beams, part 24 bottom side rail strength beam shroudings, part 25 bottom side rail strength beam stiffening plates.
Wherein said Fig. 8 side wall reinforcement column forms with Fig. 3 framed side wallboard and Fig. 6 bottom side rail and forms, Fig. 5 side wall strength beam forms by being welded to connect, play the effect of strengthening side wall overall construction intensity and rigidity, can consider whether must design according to the design load bearing requirements of railway, its sectional dimension and shape can be determined flexibly according to design load bearing requirements.
Two, next introduce and manufacture the manufacturing process that railway truck circular arc side wall longitudinal spliced and equal strength design forms.
By reference to the accompanying drawings, and the invention will be further described as example to take certain outlet ore hopper car, but do not limit the present invention.
Be that this ore hopper car side wall forms structure as shown in Figure 1 and Figure 2, side wall forms upper length and is of a size of 6298mm, side wall forms lower length and is of a size of 7970mm, mainly by Fig. 3 the first framed side wallboard 7, the second framed side wallboard 9, the 3rd framed side wallboard 11, Fig. 4 top chord forms, and Fig. 5 side wall strength beam forms, and Fig. 6 bottom side rail forms, Fig. 7 bottom side rail is strengthened forming, and Fig. 8 strengthens the assembly weldings such as column and forms.
Be illustrated in figure 3 and do not wait thickness of slab framed side wallboard structure, adopt longitudinal spliced mode by the first framed side wallboard 7, the second framed side wallboard 9 and the 3rd framed side wallboard 11 totally three framed side wallboard process conditions by the first longitudinal spliced weld seam, two weld seams of the second longitudinal spliced weld seam, be spliced, its joint geometry is as follows, and welding adopts automatic welding process.
Wherein the first framed side wallboard 7 is the T4003 corrosion-resistant steel of t3.5mm thickness of slab, and upper length is of a size of 6298mm, and lower length is of a size of 7126mm, for assurance through welding lower side is prepared one side double V-groove.The second framed side wallboard 9 is the T4003 corrosion-resistant steel of t5mm thickness of slab, upper length is of a size of 7126mm, lower length is of a size of 7970mm, for reducing welding stress, bottom and the 3rd framed side wallboard 11 splicing edges are designed to obtuse angle transition, and the 3rd framed side wallboard 11 is the T4003 corrosion-resistant steel of t5mm thickness of slab, and upper length is of a size of 4960mm, and prepare one side double V-groove at upper side edge, be convenient to splice with the second framed side wallboard 9 bottoms.
Figure 4 shows that top chord forms, and is mainly formed by part 12 top chord shroudings, part 13 top chords, part 14 top chord dividing plate assembly weldings.It is assembled in side wall upside, after the horizontal position of foetus and framed side wallboard assembling, welds, and prefabricated certain reversible deformation while welding with framed side wallboard, to control welding deformation amount.
Figure 5 shows that side wall strength beam forms, and is mainly formed by part 15 side wall strength beam shroudings, part 16 side wall strength beam assembly weldings.It is placed in side wall middle part, and the first longitudinal spliced weld seam is positioned at its underpart, after the horizontal position of foetus and framed side wallboard assembling, welds, and prefabricated certain reversible deformation during welding, to control welding deformation amount.
Figure 6 shows that bottom side rail forms, and is mainly formed by part 17 bottom side rail shroudings, part 18 bottom side rail stiffening plates, part 19 bottom side rail dividing plates, part 20 bottom side rail assembly weldings.It is placed in side wall bottom, and the second longitudinal spliced weld seam is positioned at its underpart, after the horizontal position of foetus and framed side wallboard assembling, welds, and prefabricated certain reversible deformation during welding, to control welding deformation amount.
Figure 7 shows that bottom side rail strength beam forms, mainly by being formed by assembly weldings such as part 21 bottom side rail strength beam dividing plates 1, part 22 bottom side rail strength beam dividing plates 2, part 23 bottom side rail strength beams, part 24 bottom side rail strength beam shroudings, part 25 bottom side rail strength beam stiffening plates.It forms by being welded to connect with Fig. 3 framed side wallboard and Fig. 6 bottom side rail as for bottom side rail bottom.
Figure 8 shows that side wall strengthens column, form with Fig. 3 framed side wallboard and Fig. 6 bottom side rail, Fig. 5 side wall strength beam forms by being welded to connect.
Can assemble according to the following steps, weld MRL ore hopper car circular arc sidewall structure:
A. assembly welding Fig. 4 top chord forms, and Fig. 5 side wall strength beam forms, and Fig. 6 bottom side rail forms, and Fig. 7 bottom side rail is strengthened forming.
B. the first framed side wallboard 7, the second framed side wallboard 9, the 3rd framed side wallboard 11 in framed side wallboard structure in spliced map 3 on the horizontal position of foetus, first the first framed side wallboard 7, the second framed side wallboard 9, the 3rd framed side wallboard 11 are winched to the assembling position of foetus, group is fixed adjusting laggard row tack welding, assemble qualified employing auxiliary mould and compress each framed side wallboard splicing welding joint place, make itself and the horizontal position of foetus closely connected, adopt MAG automatic process to complete the front welding of splicing welding joint.Must not to centre, weld from two ends.
C. assembly drawing 4 top chords of ruling form, and Fig. 5 side wall strength beam forms, and positions from the middle to both ends solid welding fixed under impaction state.
D. side wall step c being assembled partly winches to another assembling position of foetus, and line assembly drawing 6 bottom side rails form, and position solid welding fixed under impaction state.Prefabricated bottom side rail anti-deformation 50mm, completes bottom and framed side wallboard weld seam, welds after staying car load to assemble with framed side wallboard top weld seam again.Respectively prefabricated Fig. 4 top chord forms anti-deformation 40mm, and the anti-deformation 30mm that Fig. 5 side wall strength beam forms welds successively weld seam relevant to framed side wallboard under impaction state.
E. after completing steps d, adopt overhead traveling crane and special hanger to make side wall form reverse side, adopt automatic welding to weld successively the reverse side splicing welding joint of the first framed side wallboard 7, the second framed side wallboard 9, the 3rd framed side wallboard 11.Must not to centre, weld from two ends.Welded the hand-held plasma cutting removal of rear employing splicing welding joint two ends and drawn (receipts) arc plate, and the cutting part of polishing is to seamlessly transitting.
F. after completing steps d, enter the added assembling procedure of car load, adopt added assembling tyre frock, fixture to make the body parts such as framed side wallboard and headwall composition, dividing plate composition realize profiling laminating, prepare side wall circular arc, realize car load assembling.
G. for guaranteeing car load assembling quality, reduce car load assembling difficulty, Fig. 7 bottom side rail is strengthened forming, Fig. 8 strengthens column and stays the added welder's of turning over order of completing steps f and assemble, weld.
Adopt process program of the present invention with respect to the horizontally-spliced formula circular arc framed side wallboard manufacture technology scheme of routine, Main Economic Efficiency Comparison is as follows:
The comparison of the present invention and traditional scheme (single-piece side wall)
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various modifications or supplement or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although more used top chord to form 1 herein, circular arc framed side wallboard forms 2, side wall strength beam forms 3, side wall is strengthened column 4, bottom side rail forms 5, bottom side rail strength beam forms 6, the first framed side wallboard 7, longitudinal spliced weld seam 1, the second framed side wallboard 9, longitudinal spliced weld seam 2 10, the 3rd framed side wallboard 11, top chord shrouding 12, top chord 13, top chord dividing plate 14, side wall strength beam shrouding 15, side wall strength beam 16, bottom side rail shrouding 17, bottom side rail stiffening plate 18, bottom side rail dividing plate 19, bottom side rail 20, the first bottom side rail strength beam dividing plate 21, the second bottom side rail strength beam dividing plate 22, bottom side rail strength beam 23, bottom side rail strength beam shrouding 24, bottom side rail is strengthened stiffening plate 25 terms such as grade, but do not get rid of the possibility of using other term.Use these terms to be only used to describe more easily and explain essence of the present invention; They are construed to any additional restriction is all contrary with spirit of the present invention.
Claims (2)
1. the manufacturing process that railway truck circular arc side wall longitudinal spliced and equal strength design forms, is characterized in that, comprises the following steps:
Step 1, longitudinal spliced the first framed side wallboard, the second framed side wallboard, the 3rd framed side wallboard on the horizontal position of foetus, first the first framed side wallboard, the second framed side wallboard, the 3rd framed side wallboard are winched to the assembling position of foetus, group is fixed adjusting laggard row tack welding, because splicing is docking or the overlap joint of beveling of the edge or square groove, so the first framed side wallboard, the second framed side wallboard, the 3rd framed side wallboard can be different thicknesss of slab, the thickness of slab of three the first framed side wallboards, the second framed side wallboard, the 3rd framed side wallboard can be between two different or three all different; Assemble qualified employing auxiliary mould and compress each framed side wallboard splicing welding joint place, make itself and the horizontal position of foetus closely connected, adopt MAG automatic process or semiautomatic welding technique to complete the front welding of splicing welding joint; Must not be from two ends to middle welding during welding;
Step 2, line assembling top chord forms, and side wall strength beam forms, and positions solid welding fixed under impaction state; During tack welding, should weld from the middle to both ends; This top chord forms and comprises the top chord that a cross section is U-shaped, two ends be fixed with top chord shrouding parallel with top chord cross section in top chord; Parallelly with top chord shrouding between two top chord shroudings be fixed with some top chord dividing plates; Side wall strength beam forms the side wall strength beam that comprises a hollow, and side wall strength beam two ends are welded with side wall strength beam shrouding side wall strength beam is sealed into a fully enclosed side wall strength beam;
Step 3, the side wall that step 2 is assembled partly winches to the assembling position of foetus, and line assembling bottom side rail forms, and this bottom side rail forms and comprises that a cross section is trapezoidal bottom side rail, a waist of bottom side rail is opening, and another waist is for sealing and be welded on the weld of the second framed side wallboard and the 3rd framed side wallboard; Bottom side rail two ends are welded with bottom side rail shrouding, and bottom side rail shrouding is comprised of two shroudings that be arranged in parallel; Between the shrouding that two be arranged in parallel, be provided with some dividing plates and bottom side rail stiffening plate; Bottom side rail stiffening plate comprises a stiffening plate, and stiffening plate both sides are arc; After forming, line assembling bottom side rail under impaction state, positions solid welding fixed; Prefabricated bottom side rail reversible deformation, completes bottom and framed side wallboard weld seam, welds after staying car load to assemble with framed side wallboard top weld seam again; Respectively prefabricated top chord forms, and weld seam relevant to framed side wallboard welded successively in the reversible deformation that side wall strength beam forms under impaction state; Must not be from two ends to middle welding during welding;
Step 4, the rear employing overhead traveling crane of completing steps 3 and special hanger make side wall form turn-over, adopt MAG automatic welding to weld successively the reverse side splicing welding joint of the first framed side wallboard, the second framed side wallboard, the 3rd framed side wallboard; Must not be from two ends to middle welding during welding; Welded the hand-held plasma cutting removal of rear employing splicing welding joint two ends and drawn/receive arc plate, and the cutting part of polishing is to seamlessly transitting;
Step 5, after completing steps 4, enter the added assembling procedure of car load, the body part that adopts added assembling tyre frock, fixture that framed side wallboard and headwall composition, dividing plate are formed is realized profiling laminating, prepares side wall circular arc, after pasting sternly, carry out tack welding and fix, realize car load assembling;
Step 6, for guaranteeing car load assembling quality, reduces car load assembling difficulty, and bottom side rail is strengthened forming, and strengthens after column is stayed the added welder's of turning over order of completing steps 5 assembling, welding; This bottom side rail strength beam forms and comprises a bottom side rail strength beam, bottom side rail strength beam comprises a splice after die mould, this splice is L shaped, this curb girder strength beam forms and comprises that two one end of one, two plate one of plate and one end of plate two that tilt to weld with bottom side rail strength beam wooden partition are welded and fixed; The other end of two plates one is welded with bottom side rail strength beam shrouding; It is that trapezoidal bottom side rail is strengthened stiffening plate that the side of two plates one is also welded with cross section, and it is parallel with plate one that bottom side rail is strengthened stiffening plate; Bottom side rail strength beam shrouding is parallel with the shrouding that bottom side rail forms; It is U-shaped or trapezoidal or triangle that side wall is strengthened column; According to above-mentioned bottom side rail strength beam composition structure and side wall, strengthen pillar construction assembles, welds after the added welder's of the turning over order at completing steps 5.
2. the manufacturing process that the railway truck circular arc side wall of a kind of longitudinal spliced and equal strength design according to claim 1 forms, is characterized in that, in step 1, and the drawing/receive arc plate and can prepare in the lump when framed side wallboard blanking of splicing welding joint two ends.
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Effective date of registration: 20200509 Address after: Song Jia Qiao Zhuzhou Hetang District of Hunan Province in 412003 Patentee after: CRRC Zhuzhou Vehicle Co.,Ltd. Address before: 430212 new bridge area, Jiangxia Economic Development Zone, Wuhan, Hubei Patentee before: CRRC Yangtze Co.,Ltd. |