CN114045941A - Horn-shaped space curved surface node and manufacturing method thereof - Google Patents
Horn-shaped space curved surface node and manufacturing method thereof Download PDFInfo
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- CN114045941A CN114045941A CN202111352839.8A CN202111352839A CN114045941A CN 114045941 A CN114045941 A CN 114045941A CN 202111352839 A CN202111352839 A CN 202111352839A CN 114045941 A CN114045941 A CN 114045941A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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Abstract
The invention discloses a horn-shaped space curved surface node and a manufacturing method thereof. According to the horn-shaped space curved surface node, two end parts of the horn can be directly used as transverse force transmission components, and the horn-shaped space curved surface node is used as a high-efficiency stressed form and can easily achieve ingenious balance of buildings and structures. The trumpet-shaped space curved surface has smooth lines and various forms, meets the mechanical property requirement of the structure, and simultaneously also meets the aesthetic requirement and the visual effect of the building. Meanwhile, the corresponding manufacturing method provided by the invention ensures the manufacturing feasibility of the invention, and the manufacturing method is relatively mature, relatively low in cost and easy to produce.
Description
Technical Field
The invention relates to the field of building steel structures, in particular to a trumpet-shaped space curved surface node and a manufacturing method thereof.
Background
In the field of building steel structures, in order to pursue attractive and outstanding individuality, a plurality of novel and peculiar style buildings are designed, and in order to meet the requirement of structural safety, a plurality of complex structures and nodes are formed. In a plurality of steel structure complex nodes, the number of connecting nodes intersected with the frame rod pieces is large, force transmission is mainly used, and the appearance is secondary.
In order to embody the unification of buildings and structures, the applicant provides a horn-shaped space curved surface node and a manufacturing method thereof based on the bionic design of biological forms.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the horn-shaped space curved surface node and the manufacturing method thereof, the horn-shaped space curved surface node has the advantages of skillful and balanced structure, smooth lines and various forms, meets the mechanical property requirement of the structure and also meets the aesthetic requirement and visual effect of the building.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a tubaeform space curved surface node, includes two stay tubes that the symmetry set up, be connected with the connection structure that both ends are the loudspeaker form between the stay tube, connection structure comprises two horn mouth structures of symmetric distribution, be provided with the retaining member between two horn mouth structures.
One end of the horn mouth structure is connected with the supporting tube through a through welding seam, the middle part of the other end is tightly connected through a locking part to form a whole, and the horn mouth structure parts at the two ends can be directly used as a transverse force transmission component to be used as a high-efficiency stressed form to more easily achieve the ingenious balance of buildings and structures. The trumpet-shaped space curved surface has smooth lines and various forms, meets the mechanical property requirement of the structure, and simultaneously also meets the aesthetic requirement and the visual effect of the building.
Furthermore, the supporting tube adopts a supporting tube with two ends being straight sections and the middle position being an arc section, the bell mouth structure is a special-shaped curved surface structure, the two ports are in an elliptical shape, and the size between the two ports is gradually increased. The size of the small port is gradually increased to the large port, and the large port is communicated with the supporting tube to form an arc horn-shaped streamline structure.
Furthermore, a plurality of inner baffles are arranged inside the supporting tube, grouting holes are formed in the inner baffles, and a plurality of grouting holes are also formed in the inner side of the supporting tube. The inner partition plates are arranged inside the supporting pipe at intervals, play a role in supporting, increase strength and stability, and are arranged in the centers of the inner partition plates and grouting holes in the inner side of the supporting pipe, so that grouting requirements are met.
Further, the inside of horn mouth structure is provided with horizontal reinforcing plate, horizontal reinforcing plate with be provided with vertical strength board between the stay tube, the horn mouth structure is kept away from the one end of stay tube is provided with the shrouding.
The sealing plate is arranged at the small port of the bell mouth structure and used for connecting and fixing the two bell mouth structures; the transverse reinforcing plate is arranged in the bell mouth structure and serves as a structural reinforcing plate to further reinforce the strength of the bell mouth structure, and serves as a grout blocking plate to prevent concrete from being poured into a gap between the transverse reinforcing plate and the sealing plate during grouting; the longitudinal stiffening plate extends out of the bell mouth structure and is welded and fixed with the supporting tube, so that the strength and the stability are improved.
Furthermore, a plurality of bolt holes are formed in the sealing plate, and the locking pieces are arranged between the horn mouth structures. The locking part adopts the bolt, carries out zonulae occludens with the shrouding of both sides through the bolt hole, realizes that the connection of both sides horn mouth structure is fixed.
The manufacturing method of the horn-shaped space curved surface node comprises the following specific steps,
1) the supporting tube is formed by hot bending, and then an internal clapboard is welded,
2) manufacturing a bell mouth structure by adopting a mode of slicing molding and then butting, and then pre-splicing the bell mouth structure and the supporting tube;
3) welding longitudinal stiffening plates, wherein the longitudinal stiffening plates are connected with the supporting tubes by welding seams;
4) assembling a bell mouth structure, connecting the bell mouth structure with the support pipe by adopting a welding seam, welding the welding seam in a mode that the liner is welded on one side, wherein the welding seam requires an arc shape to ensure the appearance requirement, and extending the longitudinal stiffening plate out of the oval bell mouth structure for welding;
5) assembling and welding a transverse reinforcing plate of the bell mouth structure, wherein the transverse reinforcing plate is used as a structural reinforcing plate to further reinforce the strength of the bell mouth structure and is also used as a grout blocking plate to prevent concrete from being poured into a gap between the transverse reinforcing plate and the sealing plate during grouting;
6) welding a sealing plate at the end part of the horn mouth structure, drilling a high-strength bolt hole on the sealing plate, positioning a cross axis according to the size of a hole center line, and then welding the sealing plate;
7) the appearance detects, carries out the end face to the shrouding and mills the processing after, guarantees the plane degree of shrouding, realizes its and the same position shrouding of offside complete connection.
The port size of the whole member is detected by adopting a ground sample, and the overall dimension is detected by adopting a laser scanner for molding. And finally, end face milling is carried out on the sealing plate, the flatness of the sealing plate is guaranteed, and the sealing plate is completely connected with the sealing plate at the same opposite side position.
Further, when the bell mouth structure in the step 2) is manufactured, the bell mouth structure is divided into four pieces, the four pieces are symmetrical pairwise into a piece I and a piece II, the piece I is an arc-shaped gradually-changed half ellipse, and the manufacturing process comprises steel plate blanking, ellipse forming, bending forming and forming correction; the second segment is an arc triangle, the second segment is manufactured by adopting a bending process, and the second segment is folded and butted after the second segment is manufactured.
Furthermore, the horn mouth structure is spliced with the supporting tube in advance, the intersecting opening is trimmed by simulating a splicing mode and combining lofting size, and blanking is performed through a flame cutting gun after cutting lines are drawn, so that the intersecting welding line is ensured to be strictly jointed, and the intersecting welding line is detached after being simulated and spliced in advance.
In summary, according to the horn-shaped space curved surface node, two end parts of the horn can be directly used as transverse force transmission components, and the horn-shaped space curved surface node is used as a high-efficiency force bearing form and can easily achieve ingenious balance between buildings and structures. The trumpet-shaped space curved surface has smooth lines and various forms, meets the mechanical property requirement of the structure, and simultaneously also meets the aesthetic requirement and the visual effect of the building. Meanwhile, the corresponding manufacturing method provided by the invention ensures the manufacturing feasibility of the invention, and the manufacturing method is relatively mature, relatively low in cost and easy to produce.
Drawings
FIG. 1 is a perspective view of the overall structure of the present invention;
FIG. 2 is a front view of the overall structure of the present invention;
FIG. 3 is a schematic view of the internal structure of the present invention;
FIG. 4 is a schematic view of a flare structure according to the present invention;
FIG. 5 is a fragmentary view of the bell mouth structure of the present invention;
FIG. 6 is a schematic view of the split horn-shaped structure of the present invention;
FIG. 7 is a front and side view of a single-sided structure of the present invention;
FIG. 8 is a schematic diagram of a groove form of a weld between a bell-mouth structure and a support tube in an embodiment of the invention;
FIG. 9 is a schematic view of the groove form of the weld at the longitudinal stiffener in the example.
Description of the labeling: 1. supporting a tube; 2. a bell mouth structure; 3. a connecting structure; 4. an inner partition plate; 7. closing the plate; 8. a transverse stiffener; 9. a longitudinal stiffening plate.
Detailed Description
A further description of the present invention is provided with reference to fig. 1 to 9 for a specific embodiment of a trumpet-shaped space curved surface node and a manufacturing method thereof.
The utility model provides a tubaeform space curved surface node, includes two stay tubes that the symmetry set up, be connected with between the stay tube that both ends are tubaeform connection structure 3, connection structure 3 comprises two horn mouth structures 2 of symmetric distribution, be provided with the retaining member between two horn mouth structures 2. As shown in fig. 1 and 2, the trumpet-shaped space curved surface node comprises a support tube 1 and a trumpet-shaped structure 2, and the outsides of the support tube 1 and the trumpet-shaped structure are connected through a penetration weld.
In this embodiment, preferably, the support tube 1 has two ends that are straight sections and a middle position that is an arc section, the bell-mouth structure is a special-shaped curved surface structure, the two ports are elliptical, and the size between the two ports increases in a gradual manner. The size of the small port is gradually increased to the large port, and the large port is penetrated with the supporting tube 1 to form an arc horn-shaped streamline structure.
In this embodiment, preferably, a plurality of inner partitions 4 are disposed inside the support tube 1, grouting holes are formed in the inner partitions 4, and a plurality of grouting holes are also formed in the inner side of the support tube 1. The inner partition plates 4 are arranged inside the supporting pipe at intervals, play a role in supporting, increase strength and stability, and are arranged in the centers of the inner partition plates and grouting holes in the inner side of the supporting pipe, so that grouting requirements are met. As shown in fig. 3, three inner baffles, namely an inner baffle 4, an inner baffle 5 and an inner baffle 6, are arranged in the middle of the support tube 1, and a grouting hole is formed in the center of the inner baffles. The supporting tube 1 is connected with the bell mouth structure 2 in a penetrating way, and 3 grouting holes are further formed in the supporting tube 1.
Preferably, in this embodiment, the inside of the bell-mouth structure 2 is provided with a transverse reinforcing plate 8, the transverse reinforcing plate 8 and a longitudinal stiffening plate 9 are arranged between the supporting tubes 1, and one end of the bell-mouth structure 2, which is far away from the supporting tubes 1, is provided with a sealing plate 7.
The closing plate 7 is arranged at the small port of the bell mouth structure 2 and is used for connecting and fixing the two bell mouth structures 2; the transverse reinforcing plate 8 is arranged in the bell mouth structure 2 and serves as a structural reinforcing plate to further reinforce the strength of the bell mouth structure 2, and serves as a grout blocking plate to prevent concrete from being poured into a gap 7 between the transverse reinforcing plate 8 and the sealing plate during grouting; the longitudinal stiffening plate 9 extends out of the bell mouth structure 2 and is welded and fixed with the support tube 1, so that the strength and the stability are improved.
Preferably, in this embodiment, a plurality of bolt holes are formed in the sealing plate 7, and are used for installing the locking member between the two bell mouth structures 2. The retaining member adopts the bolt, carries out zonulae occludens with the shrouding 7 of both sides through the bolt hole, realizes that the connection of both sides horn mouth structure 2 is fixed.
As shown in fig. 4, the bell-mouth structure 2 is a special-shaped curved surface, two ports are elliptical, and gradually increase from a small port to a large port, the large port penetrates through the support tube 1, and the small port is connected with the opposite side structure through a bolt.
The integral manufacturing method of the node comprises the following steps:
1) the supporting tube 1 is large in diameter, small in wall thickness and small in bending radius, is manufactured by hot bending forming, and then an inner partition plate 5 is assembled at first, and after welding is completed, an inner partition plate 4 and an inner partition plate 6 are assembled respectively;
2) with horn mouth structure 2 and stay tube 1 piece together in advance, the junction part is the looks transversal between the two, and this looks transversal can't be offered in the unloading stage, and the mode of piecing together in advance through the simulation now combines lofting size to maintain, draws the line of cut and carries out the unloading through the flame burning torch to guarantee the tight silk seam closing of looks through welding seam. Temporarily dismantling after simulating pre-splicing;
3) welding longitudinal stiffening plates 9, wherein the longitudinal stiffening plates 9 are connected with the supporting tube 1 by adopting a K-shaped groove welding seam;
4) assembling the bell mouth structure 2, connecting the bell mouth structure 2 with the support tube by adopting a welding seam, wherein the welding seam is formed by welding a liner on one side, as shown in figure 8, the welding seam is required to be in an arc shape to ensure the appearance requirement, the longitudinal stiffening plate 9 extends out of the bell mouth structure 2 and adopts a groove form shown in figure 9, the two sides of the thickness of the longitudinal stiffening plate 9 are sharpened and retracted by 3mm, and the longitudinal stiffening plate 9 is prevented from generating central cracks in the thickness direction of the plate;
5) assembling and welding the transverse reinforcing plate 8, wherein the transverse reinforcing plate 8 is used as a structural reinforcing plate to further reinforce the structural strength of the elliptical horn mouth, and is also used as a grout blocking plate to prevent concrete from being poured into a gap between the transverse reinforcing plate 8 and the sealing plate 7 during grouting;
6) installing and welding the sealing plate 7, drilling a high-strength bolt hole in the sealing plate 7, positioning a cross axis according to the size of a hole center line, and then welding the sealing plate 7;
7) the port size of whole root component adopts the land sample to detect, and overall dimension adopts laser scanner to carry out the shaping and detects, carries out the face milling processing to shrouding 7 at last, guarantees the plane degree of shrouding, realizes its and the complete connection of the same position shrouding of offside.
In this embodiment, preferably, the bell mouth structure 2 is formed in a piece by piece and then butted, and the specific manufacturing method is as follows:
1) the bell mouth structure 2 is divided into 4 pieces, 2 pieces are divided into a first piece 21, and 2 pieces are divided into a second piece 22, as shown in fig. 5;
2) the shape of the first segment 21 is an arc-shaped gradually-changed half ellipse, and the manufacturing process thought is as follows: blanking a steel plate, carrying out oval forming, bending forming and shaping correction; FIG. 6 is an ellipse forming diagram, in which the curvature of the ellipse is changed continuously from a section A-A to a section B-B, and the ellipse is formed by bending or molding, and after the ellipse is formed, a sample placing mold is used for bending, and the bending is performed by cold bending or hot bending according to the thickness of the plate. After the first segment 21 is formed into an oval shape and is bent on the fetal membrane, the opening size is deformed, the shaping correction is performed on a liquid device through the lofting size, and the precision is detected.
3) The second segment 22 is an arc triangle and is manufactured by adopting a bending process.
4) And folding the first split sheet 21 and the second split sheet 22 on the assembly platform, adjusting the misalignment amount between the split sheets in the folding process, wherein the misalignment amount is required to be not more than 2mm, and detecting the whole folded piece according to the lofting size.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (8)
1. The utility model provides a loudspeaker form space curved surface node which characterized in that: including two stay tubes that the symmetry set up, be connected with the connection structure that both ends are loudspeaker form between the stay tube, connection structure comprises two horn mouth structures of symmetric distribution, be provided with the retaining member between two horn mouth structures.
2. The trumpet-shaped spatial curved surface node of claim 1, wherein: the supporting tube is a circular tube with two straight sections and an arc section at the middle position, the bell mouth structure is a special-shaped curved surface structure, two ports are in an elliptical shape, and the size between the two ports is increased in a gradual change mode.
3. The trumpet-shaped spatial curved surface node of claim 1, wherein: the inner side of the supporting tube is provided with a plurality of inner partition plates, the inner partition plates are provided with grouting holes, and the inner side of the supporting tube is also provided with a plurality of grouting holes.
4. The trumpet-shaped spatial curved surface node of claim 1, wherein: the horn mouth structure is characterized in that a transverse reinforcing plate is arranged inside the horn mouth structure, a longitudinal stiffening plate is arranged between the transverse reinforcing plate and the supporting tube, and a sealing plate is arranged at one end, far away from the supporting tube, of the horn mouth structure.
5. The trumpet-shaped spatial curved surface node of claim 4, wherein: a plurality of bolt holes are formed in the sealing plate and used for installing locking pieces between the horn mouth structures.
6. The method for manufacturing the trumpet-shaped space curved surface node as recited in any one of claims 1 to 5, wherein: comprises the following specific steps of,
1) the round tube is firstly formed by hot bending, then an internal baffle plate is welded,
2) manufacturing a bell mouth structure by adopting a mode of slicing molding and then butting, and then pre-splicing the bell mouth structure and the supporting tube;
3) welding longitudinal partition plates, wherein the longitudinal partition plates are connected with the supporting pipes through welding seams;
4) assembling a bell mouth structure, connecting the bell mouth structure with the supporting tube by adopting a welding seam, wherein the welding seam is formed by welding a single side of the liner, the welding seam requires an arc shape to ensure the appearance requirement, and the longitudinal partition plate extends out of the oval bell mouth structure and is welded;
5) assembling a transverse reinforcing plate of a bell mouth structure, and welding;
6) welding the sealing plates at the end parts of the elliptical horn mouth structures;
7) the appearance detects, carries out the end face to the shrouding and mills the processing after, guarantees the plane degree of shrouding, realizes its and the same position shrouding of offside complete connection.
7. The method for manufacturing the trumpet-shaped space curved surface node according to claim 6, wherein the method comprises the following steps: when the bell mouth structure in the step 2) is manufactured, the bell mouth structure is divided into four pieces, the four pieces are symmetrical pairwise into a piece I and a piece II, and the piece I is in the shape of an arc-shaped gradually-changed half ellipse; the second segment is an arc triangle, the second segment is manufactured by adopting a bending process, and the second segment is folded and butted after the second segment is manufactured.
8. The method for manufacturing the trumpet-shaped space curved surface node according to claim 7, wherein the method comprises the following steps: the horn mouth structure is spliced with the stay tube in advance, the intersecting opening is trimmed by simulating a pre-splicing mode and combining lofting size, and blanking is performed through a flame cutting gun after cutting lines are drawn, so that tight joint of intersecting welding lines is guaranteed, and the intersecting welding line is detached after simulating pre-splicing.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111352839.8A CN114045941B (en) | 2021-11-16 | 2021-11-16 | Horn-shaped space curved surface node and manufacturing method thereof |
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| CN202111352839.8A CN114045941B (en) | 2021-11-16 | 2021-11-16 | Horn-shaped space curved surface node and manufacturing method thereof |
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Cited By (2)
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| CN115075404A (en) * | 2022-02-23 | 2022-09-20 | 江苏沪宁钢机股份有限公司 | Multiple hyperbolic butterfly conversion connection node and manufacturing method thereof |
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| CN114045941B (en) | 2023-04-07 |
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