CN102635198B - Combined elliptical section component and processing method thereof - Google Patents
Combined elliptical section component and processing method thereof Download PDFInfo
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- CN102635198B CN102635198B CN201210100737.1A CN201210100737A CN102635198B CN 102635198 B CN102635198 B CN 102635198B CN 201210100737 A CN201210100737 A CN 201210100737A CN 102635198 B CN102635198 B CN 102635198B
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Abstract
The invention relates to a steel structural component, in particular to a combined elliptical section component and a processing method thereof, which are applicable to the fields of modeling steel structures and large-span steel structure. The combined elliptical section component comprises a bottom support and a web plate, a connector is disposed on the upper portion of the web plate, the lower portion of the web plate is disposed in the bottom support, the bottom support is fixed with the web plate via a splicing mechanism, the splicing mechanism comprises transverse reinforcing plates, the transverse reinforcing plates which are perpendicular to the web plate are respectively inserted into the two ends of the bottom of the web plate, side walls of the bottoms of the transverse reinforcing plates cling to the inner wall of the bottom support in a matched manner, and the bottom support, the transverse reinforcing plates and the web plate are packaged via close plates. The combined elliptical section component and the processing method thereof have the advantages that the structure is simple, a supporting performance is fine, stress is reasonable, cost is reduced, and construction is convenient and flexible.
Description
Technical field
The present invention relates to a kind of steel structure member, relate in particular to a kind of combination elliptic cross-section member and processing method thereof, be applicable to moulding class steel work and degree of hesitating field of steel structure greatly.
Background technology
The steel building field of currently available technology is fast-developing, the stressed complexity of structural system, and Mechanical Builds is ever-changing, is constantly applied to the form of structure such as laced of battened compression member, space truss, to adapt to the multi-direction force request of member.For traditional symmetrical section and uniform section form member, when the stressed large or multiple directions discontinuity of structure single direction, can make integrated member cross section strengthen, strengthened steel using amount and dead load, be unfavorable for stability and the safety of structure, and ductility is poor.
Summary of the invention
The present invention solves the deficiencies in the prior art, provides a kind of simple in structure, and is more conducive to combination elliptic cross-section member and the processing method thereof of the multi-direction reasonable distribution of force of large-scale steel structure.
Above-mentioned technical problem of the present invention is mainly solved by following technical proposals:
A kind of combination elliptic cross-section member, comprise bottom bracing and web, the top of described web is provided with connector, the bottom of described web is located in bottom bracing, described bottom bracing and web fix by assembled mechanism, described assembled mechanism comprises horizontal stiffener, the two ends of described web bottom are plugged with respectively the horizontal stiffener of perpendicular distribution, the laminating that matches of the bottom sidewall of described horizontal stiffener and the inwall of bottom bracing, described bottom bracing, laterally encapsulates by shrouding with web between stiffener mutually;
Laterally stiffener guarantees the accuracy of oval cross section, the accuracy in cross section while being convenient to member docking.This structure is applicable to moulding class building and multi-direction stressed inconsistent long span building system, compare with existing lattice column, space truss, not only modern design, nature attractive in appearance, and can be according to structure feature, semiellipse part major and minor axis to bottom bracing, and semiellipse coverage scale adjusts, reasonable distribution structure stress, at utmost to have reduced steel using amount, and reduce member dead weight and shared locus.Be applicable to the multiple component forms such as steel column, girder steel, truss.
Or, described assembled mechanism comprises longitudinal stiffener and upper horizontal stiffener, described web bottom be provided with the upper longitudinal stiffener equating with bottom bracing upper width, the laminating that matches of the bottom sidewall of described upper longitudinal stiffener and the inside of bottom bracing, the two ends of described web bottom are respectively equipped with perpendicular horizontal stiffener, described upper horizontal stiffener is pegged graft into upper longitudinal stiffener and is extended to top, described upper horizontal stiffener and the perpendicular distribution of upper longitudinal stiffener, between described upper horizontal stiffener, web seals by upper support member mutually with on bottom bracing, described upper support member is mutually mated and is formed an integral body with bottom bracing.
As preferably, described bottom bracing is to be greater than, to be equal to or less than 1/2 semiellipse part, and described shrouding is located on the horizontal quadrantal points of bottom bracing, and described web is located on the vertical quadrantal points of bottom bracing, and described shrouding is located at respectively the both sides of web;
Or, described bottom bracing is 1/2 oval part, described upper support member is 2 1/4 oval parts, described upper support member is located at respectively the both sides of web, described upper longitudinal stiffener is located on the horizontal quadrantal points of bottom bracing, the outer wall of described upper horizontal stiffener and the inwall of bottom bracing fit, and described web is located on the vertical quadrantal points of bottom bracing.
As preferably, between described bottom bracing, shrouding, web, horizontal stiffener and connector, by weld layer, fix; Between described bottom bracing, web, upper longitudinal stiffener, upper horizontal stiffener and upper support member, by weld layer, fix; Described web is provided with jack hole, and described connector is pipe, rectangular tube, channel-section steel or steel plate.
As preferably, described jack hole is circular port, slotted eye or rectangular opening.
Combine a processing method for elliptic cross-section member, carry out according to the following steps:
(1), Design spreading: bottom bracing is carried out to setting-out, and the bottom bracing wall thickness central core of take launches as benchmark, puts in advance 20 ~ 30mm allowance simultaneously;
(2), cutting stock: adopt numerical control cutting machine to carry out steel plate cutting, during web blanking, the position, hole of jack hole on plate is cut out in the lump;
(3), be shaped and process: bottom bracing is assumed to be whole oval, adopt sub-elliptical to draw method, this hypothesis ellipse is divided into four arcs facing each other, coverage rate according to bottom bracing on hypothesis ellipse, on the steel plate by after expanded view cutting, mark circular arc line of demarcation, and on the circular arc of different-diameter, respectively mark its bisectrix, as bottom bracing shaping bending line, bending line spacing is 100 ~ 150mm; Steel plate bending adopts hydraulic press die forming, and patrix is T shape punch, adopts tommyhead bolt to fix with hydraulic press pressure head, and counterdie is parallel die, and lower baffle plate and hydraulic press platform adopt tommyhead bolt to fix; First carry out two terminal circle arc bending and forming, then carry out centre circular arc bending and forming, in pressing process, adopt 1:1 model to follow the tracks of and detect, with pressing with tune;
(4), correct: according to bottom bracing inwall size, set up semiellipse part and correct moulding bed, correct and adopt flame heating to coordinate jack to apply external force;
(5), assembly welding: adopt secondary assembling method to assemble, first carry out the little assembling of bottom bracing, web and connector, first form a T shaped sections; Carry out again general assembly, complete other part plate assembling;
Little assembly welding can adopt automatic submerged arc welding or CO
2gas shielded arc welding welds, and general assembly welding adopts CO
2gas shielded arc welding bottoming, semiautomatic submerged arc welding is filled and capping; During welding, should adopt balanced welding connection, CO
2gas shielded arc welding is answered even numbers welder same parameter, equidirectional, welding simultaneously, and welding should be carried out from the middle to both ends in employing.
1, meet the multi-direction force request of structure, can select different combining forms to carry out according to structure stress reasonably combined, guaranteeing under the prerequisite of structure stress, at utmost to reduce structural steel amount, than traditional structure, reduce steel using amount 25% ~ 40%, cost is down to minimum, and has alleviated dead load;
2. sectional dimension of members, can change adjustment (as the long and short axial adjustment of semiellipse part, the specification adjustment of composite member, the width adjustment of web etc.) according to structure stress requirement, and member is light and handy, flexible, is convenient to design and construction;
3. member section form is simple, is convenient to processing, only needs to adopt a set of pressing mold to carry out the hydroforming of semiellipse part, and other are welding equipment on moulding bed all, has effectively guaranteed machining accuracy, and can shorten the process-cycle 10% ~ 20%;
4. member welding joints is straight weld, can adopt CO
2gas shielded arc welding bottoming, submerged arc welding filling and capping, welding quality easily guarantees, welding efficiency raising 15% ~ 20%.
Can be fast, accurately, carry out easily design, blanking, shaping, the welding equipment of elliptic cross-section member, and very economical, raw material and processing cost only account for 35% of traditional latticed members.
Combine a processing method for elliptic cross-section member, carry out according to the following steps:
(1), Design spreading: the 1/4 oval part to 1/2 of bottom bracing oval part and upper support member carries out setting-out, first merged ellipse in aggregates, take this oval wall thickness central core launches as benchmark, then is divided into two 1/2 oval expanded views, puts in advance 20 ~ 30mm allowance simultaneously;
(2), cutting stock: adopt numerical control cutting machine to carry out steel plate cutting, during web blanking, the position, hole of jack hole on plate is cut out in the lump, oval part blanking is carried out blanking by 1/2 oval part expanded view, after to be formed, wherein a 1/2 oval part dissects into two 1/4 oval parts;
(3), be shaped and process: by two 1/2 oval parts, be assumed to be a whole ellipse, adopt sub-elliptical to draw method, this hypothesis ellipse is divided into four arcs facing each other, according to nearly plan circular arc arc length, on the steel plate by after expanded view cutting, mark circular arc line of demarcation, and respectively mark its bisectrix on the circular arc of different-diameter, as oval main body shaping bending line, bending line spacing is 100 ~ 150mm; Steel plate bending adopts hydraulic press die forming, and patrix is T shape punch, adopts tommyhead bolt to fix with hydraulic press pressure head, and counterdie is parallel die, and lower baffle plate and hydraulic press platform adopt tommyhead bolt to fix; First carry out two terminal circle arc bending and forming, then carry out centre circular arc bending and forming, in pressing process, adopt 1:1 model to follow the tracks of and detect, with pressing with tune;
(4), correct: according to oval part inwall size, set up oval part and correct moulding bed; Correct and adopt flame heating to coordinate jack to apply external force;
(5) 1/4 oval part processing: by correcting 1/2 qualified oval part, dissect processing by semiautomatic flame cutting machine, become two 1/4 oval parts; During cutting, oval part should be placed in and stablize under moulding bed, make itself and semi auto cutting machine guide rail parallel, and make its oval outer wall upward;
(5), assembly welding: adopt secondary assembling method to assemble, first carry out the little assembling of web, upper longitudinal stiffener and connector, first form an I-shaped cross-section; Carry out again general assembly, complete other part plate assembling;
Little assembly welding can adopt automatic submerged arc welding to weld, and general assembly welding, adopts CO
2gas shielded arc welding bottoming, semiautomatic submerged arc welding is filled and capping; During welding, should adopt balanced welding connection, CO
2gas shielded arc welding is answered even numbers welder same parameter, equidirectional, welding simultaneously, and welding should be carried out from the middle to both ends in employing.
As preferably, semiellipse part in step (5) is corrected moulding bed, comprise moulding bed platform, the right-hand member on described moulding bed platform top is provided with oval shaping frame, the left end on described moulding bed platform top is provided with connector shelf, the inner side of described ellipse shaping frame is provided with into v notch v, and the top of described connector shelf is provided with inner groovy.
As preferably, between described ellipse shaping frame and connector shelf, be provided with the middle shelf of two interruption-like distributions, the height of two middle shelves equates.
As preferably, oval part in step (5) is corrected moulding bed, comprise that moulding bed props up platform, the left end that described moulding bed props up platform top is provided with support post, the right side wall of described support post upper end is provided with positioning baffle, the right side of described support post is provided with end location-plate, and the two side ends of described end location-plate is respectively equipped with side location-plate.
As preferably, in described end location-plate, be provided with imploded arcs groove, the center line of the lateral wall of described upper positioning baffle and imploded arcs groove fits.
1, meet the multi-direction force request of structure, can select different combining forms to carry out according to structure stress reasonably combined, guarantee under the prerequisite of structure stress, than traditional latticed members, reduce steel using amount 15% ~ 30%, effectively reduce cost, and alleviated dead load;
2, sectional dimension of members, can change adjustment (as the long and short axial adjustment of oval part, the specification adjustment of composite member, the width adjustment of web etc.) according to structure stress requirement, and member is light and handy, flexible, is convenient to design and construction;
3. member section form is simple, is convenient to processing, only needs to adopt a set of pressing mold to carry out oval part hydroforming, and other are welding equipment on moulding bed all, has effectively guaranteed machining accuracy, and can shorten the process-cycle 10% ~ 20%;
4. member welding joints is straight weld, can adopt the bottoming of CO2 gas shielded arc welding, submerged arc welding filling and capping, and welding quality easily guarantees, welding efficiency raising 15% ~ 20%.
Can be fast, accurately, carry out easily design, blanking, shaping, the welding equipment of elliptic cross-section member, and very economical, raw material and processing cost only account for 30% of traditional latticed members.
The invention provides a kind of combination elliptic cross-section member and processing method thereof, simple in structure, support performance is strong, and reasonable stress reduces costs, and easy construction is flexible.
Accompanying drawing explanation
Fig. 1 is the structural representation in the present invention;
Fig. 2 is the package assembly schematic diagram of Fig. 1;
Fig. 3 is the variation structural representation of member section in the present invention;
Fig. 4 is another structural representation in the present invention;
Fig. 5 is the structural representation of the assembling of Fig. 4;
Fig. 6 is the variation structural representation of the member section of another structure in the present invention;
Fig. 7 is the structural representation that in the present invention, semiellipse part is corrected moulding bed;
Fig. 8 is the structural representation that in the present invention, oval part is corrected moulding bed.
The specific embodiment
Below by embodiment, and by reference to the accompanying drawings, technical scheme of the present invention is described in further detail.
Embodiment 1: as Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, shown in Fig. 7 and Fig. 8, a kind of combination elliptic cross-section member, comprise bottom bracing 1 and web 2, the top of described web 2 is provided with connector 3, the bottom of described web 2 is located in bottom bracing 1, described bottom bracing 1 and web 2 fix by assembled mechanism, described assembled mechanism comprises horizontal stiffener 4, the two ends of described web 2 bottoms are plugged with respectively the horizontal stiffener 4 of perpendicular distribution, the laminating that matches of the bottom sidewall of described horizontal stiffener 4 and the inwall of bottom bracing 1, described bottom bracing 1, laterally 4 of stiffeners encapsulate by shrouding 5 mutually with web 2, or, described assembled mechanism comprises longitudinal stiffener 6 and upper horizontal stiffener 7, described web 2 bottoms be provided with the upper longitudinal stiffener 6 equating with bottom bracing 1 upper width, the laminating that matches of the bottom sidewall of described upper longitudinal stiffener 6 and the inside of bottom bracing 1, the two ends of described web 2 bottoms are respectively equipped with perpendicular horizontal stiffener 7, described upper horizontal stiffener 7 is pegged graft into upper longitudinal stiffener 6 and is extended to top, described upper horizontal stiffener 7 and the perpendicular distribution of upper longitudinal stiffener 6, 7 of described upper horizontal stiffeners, web 2 with on bottom bracing 1, seal mutually by upper support member 8, described upper support member 8 is mutually mated and is formed an integral body with bottom bracing 1.
Described bottom bracing 1 is for to be greater than, to be equal to or less than 1/2 semiellipse part, and described shrouding 5 is located on the horizontal quadrantal points of bottom bracing 1, and described web 2 is located on the vertical quadrantal points of bottom bracing 1, and described shrouding 5 is located at respectively the both sides of web 2; Or, described bottom bracing 1 is 1/2 oval part, described upper support member 8 is 2 1/4 oval parts, described upper support member 8 is located at respectively the both sides of web 2, described upper longitudinal stiffener 6 is located on the horizontal quadrantal points of bottom bracing 1, the outer wall of described upper horizontal stiffener 7 and the inwall of bottom bracing 1 fit, and described web 2 is located on the vertical quadrantal points of bottom bracing 1.
Described bottom bracing 1, shrouding 5, web 2, horizontal stiffener 4 and 3 of connectors fix by weld layer; Described bottom bracing 1, web 2, upper longitudinal stiffener 6, upper horizontal stiffener 7 and 8 of upper support members fix by weld layer; Described web 2 is provided with jack hole 9, and described connector 3 is pipe, rectangular tube, channel-section steel or steel plate.Described jack hole 9 is circular port, slotted eye or rectangular opening.
Combine a processing method for elliptic cross-section member, carry out according to the following steps:
(1), Design spreading: bottom bracing 1 is carried out to setting-out, and the bottom bracing 1 wall thickness central core of take launches as benchmark, puts in advance 20 ~ 30mm allowance simultaneously;
(2), cutting stock: adopt numerical control cutting machine to carry out steel plate cutting, during web 2 blanking, the position, hole of jack hole on plate 9 is cut out in the lump;
(3), be shaped and process: bottom bracing 1 is assumed to be whole oval, adopt sub-elliptical to draw method, this hypothesis ellipse is divided into four arcs facing each other, coverage rate according to bottom bracing 1 on hypothesis ellipse, on the steel plate by after expanded view cutting, mark circular arc line of demarcation, and on the circular arc of different-diameter, respectively mark its bisectrix, as bottom bracing 1 shaping bending line, bending line spacing is 100 ~ 150mm; Steel plate bending adopts hydraulic press die forming, and patrix is T shape punch, adopts tommyhead bolt to fix with hydraulic press pressure head, and counterdie is parallel die, and lower baffle plate and hydraulic press platform adopt tommyhead bolt to fix; First carry out two terminal circle arc bending and forming, then carry out centre circular arc bending and forming, in pressing process, adopt 1:1 model to follow the tracks of and detect, with pressing with tune;
(4), correct: according to bottom bracing 1 inwall size, set up semiellipse part and correct moulding bed, correct and adopt flame heating to coordinate jack to apply external force;
(5), assembly welding: adopt secondary assembling method to assemble, first carry out the little assembling of bottom bracing 1, web 2 and connector 3, first form a T shaped sections; Carry out again general assembly, complete other part plate assembling;
Little assembly welding can adopt automatic submerged arc welding or CO
2gas shielded arc welding welds, and general assembly welding adopts CO
2gas shielded arc welding bottoming, semiautomatic submerged arc welding is filled and capping; During welding, should adopt balanced welding connection, CO
2gas shielded arc welding is answered even numbers welder same parameter, equidirectional, welding simultaneously, and welding should be carried out from the middle to both ends in employing.
Semiellipse part in step (5) is corrected moulding bed, comprise moulding bed platform 10, the right-hand member on described moulding bed platform 10 tops is provided with oval shaping frame 11, the left end on described moulding bed platform 10 tops is provided with connector shelf 12, the inner side of described ellipse shaping frame 11 is provided with into v notch v 13, and the top of described connector shelf 12 is provided with inner groovy 14.The height that described ellipse shaping frame 11 and 12 of connector shelves are provided with 15, two middle shelves 15 of middle shelf of two interruption-like distributions equates.
Combine a processing method for elliptic cross-section member, carry out according to the following steps:
(1), Design spreading: the 1/4 oval part to 1/2 of bottom bracing 1 oval part and upper support member 8 carries out setting-out, first merged ellipse in aggregates, take this oval wall thickness central core launches as benchmark, then is divided into two 1/2 oval expanded views, puts in advance 20 ~ 30mm allowance simultaneously;
(2), cutting stock: adopt numerical control cutting machine to carry out steel plate cutting, during web 2 blanking, the position, hole of jack hole on plate 9 is cut out in the lump, oval part blanking is carried out blanking by 1/2 oval part expanded view, after to be formed, wherein a 1/2 oval part dissects into two 1/4 oval parts;
(3), be shaped and process: by two 1/2 oval parts, be assumed to be a whole ellipse, adopt sub-elliptical to draw method, this hypothesis ellipse is divided into four arcs facing each other, according to nearly plan circular arc arc length, on the steel plate by after expanded view cutting, mark circular arc line of demarcation, and respectively mark its bisectrix on the circular arc of different-diameter, as oval main body shaping bending line, bending line spacing is 100 ~ 150mm; Steel plate bending adopts hydraulic press die forming, and patrix is T shape punch, adopts tommyhead bolt to fix with hydraulic press pressure head, and counterdie is parallel die, and lower baffle plate and hydraulic press platform adopt tommyhead bolt to fix; First carry out two terminal circle arc bending and forming, then carry out centre circular arc bending and forming, in pressing process, adopt 1:1 model to follow the tracks of and detect, with pressing with tune;
(4), correct: according to oval part inwall size, set up oval part and correct moulding bed; Correct and adopt flame heating to coordinate jack to apply external force;
(5) 1/4 oval part processing: by correcting 1/2 qualified oval part, dissect processing by semiautomatic flame cutting machine, become two 1/4 oval parts; During cutting, oval part should be placed in and stablize under moulding bed, make itself and semi auto cutting machine guide rail parallel, and make its oval outer wall upward;
(5), assembly welding: adopt secondary assembling method to assemble, first carry out the little assembling of web 2, upper longitudinal stiffener 6 and connector 3, first form an I-shaped cross-section; Carry out again general assembly, complete other part plate assembling;
Little assembly welding can adopt automatic submerged arc welding to weld, and general assembly welding, adopts CO
2gas shielded arc welding bottoming, semiautomatic submerged arc welding is filled and capping; During welding, should adopt balanced welding connection, CO
2gas shielded arc welding is answered even numbers welder same parameter, equidirectional, welding simultaneously, and welding should be carried out from the middle to both ends in employing.
Oval part in step (5) is corrected moulding bed, comprise that moulding bed props up platform 16, the left end that described moulding bed props up platform 16 tops is provided with support post 17, the right side wall of described support post 17 upper ends is provided with positioning baffle 18, the right side of described support post 17 is provided with end location-plate 19, and the two side ends of described end location-plate 19 is respectively equipped with side location-plate 20.In described end location-plate 19, be provided with imploded arcs groove 21, the lateral wall of described upper positioning baffle 18 and the center line of imploded arcs groove 21 fit.
Claims (10)
1. one kind is combined elliptic cross-section member, it is characterized in that: comprise bottom bracing (1) and web (2), the top of described web (2) is provided with connector (3), the bottom of described web (2) is located in bottom bracing (1), described bottom bracing (1) and web (2) fix by assembled mechanism, described assembled mechanism comprises horizontal stiffener (4), the two ends of described web (2) bottom are plugged with respectively the horizontal stiffener (4) of perpendicular distribution, the laminating that matches of the bottom sidewall of described horizontal stiffener (4) and the inwall of bottom bracing (1), described bottom bracing (1), laterally between stiffener (4), encapsulate mutually by shrouding (5) with web (2),
Or, described assembled mechanism comprises longitudinal stiffener (6) and upper horizontal stiffener (7), described web (2) bottom be provided with the upper longitudinal stiffener (6) equating with bottom bracing (1) upper width, the laminating that matches of the bottom sidewall of described upper longitudinal stiffener (6) and the inside of bottom bracing (1), the two ends of described web (2) bottom are respectively equipped with perpendicular horizontal stiffener (7), described upper horizontal stiffener (7) is pegged graft into upper longitudinal stiffener (6) and is extended to top, described upper horizontal stiffener (7) and the perpendicular distribution of upper longitudinal stiffener (6), between described upper horizontal stiffener (7), web (2) seals by upper support member (8) mutually with bottom bracing (1) is upper, described upper support member (8) is mutually mated and is formed an integral body with bottom bracing (1).
2. a kind of combination elliptic cross-section member according to claim 1, it is characterized in that: described bottom bracing (1) is for being greater than, being equal to or less than 1/2 semiellipse part, described shrouding (5) is located on the horizontal quadrantal points of bottom bracing (1), described web (2) is located on the vertical quadrantal points of bottom bracing (1), and described shrouding (5) is located at respectively the both sides of web (2);
Or, described bottom bracing (1) is 1/2 oval part, described upper support member (8) is 2 1/4 oval parts, described upper support member (8) is located at respectively the both sides of web (2), described upper longitudinal stiffener (6) is located on the horizontal quadrantal points of bottom bracing (1), the outer wall of described upper horizontal stiffener (7) and the inwall of bottom bracing (1) fit, and described web (2) is located on the vertical quadrantal points of bottom bracing (1).
3. a kind of combination elliptic cross-section member according to claim 1 and 2, is characterized in that: between described bottom bracing (1), shrouding (5), web (2), horizontal stiffener (4) and connector (3), by weld layer, fix; Between described bottom bracing (1), web (2), upper longitudinal stiffener (6), upper horizontal stiffener (7) and upper support member (8), by weld layer, fix; Described web (2) is provided with jack hole (9), and described connector (3) is pipe, rectangular tube, channel-section steel or steel plate.
4. a kind of combination elliptic cross-section member according to claim 3, is characterized in that: described jack hole (9) is circular port, slotted eye or rectangular opening.
5. combine a processing method for elliptic cross-section member, it is characterized in that carrying out according to the following steps:
(1), Design spreading: bottom bracing (1) is carried out to setting-out, and bottom bracing (1) the wall thickness central core of take launches as benchmark, puts in advance 20 ~ 30mm allowance simultaneously;
(2), cutting stock: adopt numerical control cutting machine to carry out steel plate cutting, during web (2) blanking, the position, hole of jack hole on plate (9) is cut out in the lump;
(3), be shaped and process: bottom bracing (1) is assumed to be whole oval, adopt sub-elliptical to draw method, this hypothesis ellipse is divided into four arcs facing each other, coverage rate according to bottom bracing (1) on hypothesis ellipse, on the steel plate by after expanded view cutting, mark circular arc line of demarcation, and on the circular arc of different-diameter, respectively mark its bisectrix, as bottom bracing (1) shaping bending line, bending line spacing is 100 ~ 150mm; Steel plate bending adopts hydraulic press die forming, and patrix is T shape punch, adopts tommyhead bolt to fix with hydraulic press pressure head, and counterdie is parallel die, and lower baffle plate and hydraulic press platform adopt tommyhead bolt to fix; First carry out two terminal circle arc bending and forming, then carry out centre circular arc bending and forming, in pressing process, adopt 1:1 model to follow the tracks of and detect, with pressing with tune;
(4), correct: according to bottom bracing (1) inwall size, set up semiellipse part and correct moulding bed, correct and adopt flame heating to coordinate jack to apply external force;
(5), assembly welding: adopt secondary assembling method to assemble, first carry out the little assembling of bottom bracing (1), web (2) and connector (3), first form a T shaped sections; Carry out again general assembly, complete other part plate assembling;
Little assembly welding can adopt automatic submerged arc welding or CO
2gas shielded arc welding welds, and general assembly welding adopts CO
2gas shielded arc welding bottoming, semiautomatic submerged arc welding is filled and capping; During welding, should adopt balanced welding connection, CO
2gas shielded arc welding is answered even numbers welder same parameter, equidirectional, welding simultaneously, and welding should be carried out from the middle to both ends in employing.
6. combine a processing method for elliptic cross-section member, it is characterized in that carrying out according to the following steps:
(1), Design spreading: the 1/4 oval part to 1/2 oval part of bottom bracing (1) and upper support member (8) carries out setting-out, first merged ellipse in aggregates, take this oval wall thickness central core launches as benchmark, be divided into again two 1/2 oval expanded views, put in advance 20 ~ 30mm allowance simultaneously;
(2), cutting stock: adopt numerical control cutting machine to carry out steel plate cutting, during web (2) blanking, the position, hole of jack hole on plate (9) is cut out in the lump, oval part blanking is carried out blanking by 1/2 oval part expanded view, after to be formed, wherein a 1/2 oval part dissects into two 1/4 oval parts;
(3), be shaped and process: by two 1/2 oval parts, be assumed to be a whole ellipse, adopt sub-elliptical to draw method, this hypothesis ellipse is divided into four arcs facing each other, according to nearly plan circular arc arc length, on the steel plate by after expanded view cutting, mark circular arc line of demarcation, and respectively mark its bisectrix on the circular arc of different-diameter, as oval main body shaping bending line, bending line spacing is 100 ~ 150mm; Steel plate bending adopts hydraulic press die forming, and patrix is T shape punch, adopts tommyhead bolt to fix with hydraulic press pressure head, and counterdie is parallel die, and lower baffle plate and hydraulic press platform adopt tommyhead bolt to fix; First carry out two terminal circle arc bending and forming, then carry out centre circular arc bending and forming, in pressing process, adopt 1:1 model to follow the tracks of and detect, with pressing with tune;
(4), correct: according to oval part inwall size, set up oval part and correct moulding bed; Correct and adopt flame heating to coordinate jack to apply external force;
(5) 1/4 oval part processing: by correcting 1/2 qualified oval part, dissect processing by semiautomatic flame cutting machine, become two 1/4 oval parts; During cutting, oval part should be placed in and stablize under moulding bed, make itself and semi auto cutting machine guide rail parallel, and make its oval outer wall upward;
(5), assembly welding: adopt secondary assembling method to assemble, first carry out the little assembling of web (2), upper longitudinal stiffener (6) and connector (3), first form an I-shaped cross-section; Carry out again general assembly, complete other part plate assembling;
Little assembly welding can adopt automatic submerged arc welding to weld, and general assembly welding, adopts CO
2gas shielded arc welding bottoming, semiautomatic submerged arc welding is filled and capping; During welding, should adopt balanced welding connection, CO
2gas shielded arc welding is answered even numbers welder same parameter, equidirectional, welding simultaneously, and welding should be carried out from the middle to both ends in employing.
7. a kind of processing method that combines elliptic cross-section member according to claim 5, it is characterized in that: the semiellipse part in step (5) is corrected moulding bed, comprise moulding bed platform (10), the right-hand member on described moulding bed platform (10) top is provided with oval shaping frame (11), the left end on described moulding bed platform (10) top is provided with connector shelf (12), the inner side of described ellipse shaping frame (11) is provided with into v notch v (13), and the top of described connector shelf (12) is provided with inner groovy (14).
8. a kind of processing method that combines elliptic cross-section member according to claim 7, it is characterized in that: between described ellipse shaping frame (11) and connector shelf (12), be provided with the middle shelf (15) of two interruption-like distributions, the height of two middle shelves (15) equates.
9. a kind of processing method that combines elliptic cross-section member according to claim 6, it is characterized in that: the oval part in step (5) is corrected moulding bed, comprise that moulding bed props up platform (16), the left end that described moulding bed props up platform (16) top is provided with support post (17), the right side wall of described support post (17) upper end is provided with positioning baffle (18), the right side of described support post (17) is provided with end location-plate (19), and the two side ends of described end location-plate (19) is respectively equipped with side location-plate (20).
10. a kind of processing method that combines elliptic cross-section member according to claim 9, it is characterized in that: in described end location-plate (19), be provided with imploded arcs groove (21), the lateral wall of described upper positioning baffle (18) and the center line of imploded arcs groove (21) fit.
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| CN104043945B (en) * | 2013-03-15 | 2018-04-06 | 菲斯达排放控制装置（苏州）有限公司 | Manufacture method for the hinge of industrial vehicle vehicle body |
| CN104295000A (en) * | 2014-08-27 | 2015-01-21 | 浙江精工钢结构集团有限公司 | Bidirectional bending ellipse structure of steel structure building and production method thereof |
| CN106475739B (en) * | 2015-08-26 | 2019-04-23 | 博世汽车柴油系统有限公司 | The nozzle member and its manufacturing method of fuel injector |
| CN106500949B (en) * | 2016-10-31 | 2019-01-29 | 武汉一冶钢结构有限责任公司 | A kind of wind-tunnel round corner section elliptical ring shell forming method |
| CN107914107A (en) * | 2017-11-30 | 2018-04-17 | 成都梓楠家具有限公司 | A kind of processing method of novel household articles for use |
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| WO2003100186A1 (en) * | 2002-05-29 | 2003-12-04 | Teräspeikko Oy | Method and means for manufacturing steel beam |
| CN101255757A (en) * | 2007-06-29 | 2008-09-03 | 浙江宝业建设集团有限公司 | Technique for preparing large cross section thin plate limosis steel pole |
| CN102162287A (en) * | 2011-04-08 | 2011-08-24 | 浙江东南网架股份有限公司 | Steel column with eccentric oval table and preparation method thereof |
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| WO2003100186A1 (en) * | 2002-05-29 | 2003-12-04 | Teräspeikko Oy | Method and means for manufacturing steel beam |
| CN101255757A (en) * | 2007-06-29 | 2008-09-03 | 浙江宝业建设集团有限公司 | Technique for preparing large cross section thin plate limosis steel pole |
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