CN212176065U - High-strength stiffening bell-shaped steel structure node - Google Patents
High-strength stiffening bell-shaped steel structure node Download PDFInfo
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- CN212176065U CN212176065U CN202020416465.6U CN202020416465U CN212176065U CN 212176065 U CN212176065 U CN 212176065U CN 202020416465 U CN202020416465 U CN 202020416465U CN 212176065 U CN212176065 U CN 212176065U
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Abstract
The utility model provides a bell-shaped steel construction node of high strength stiffening, includes bell-shaped shell, stiffening plate and bracket, and bell-shaped shell includes the hemisphere shell at top and the cylinder shell of bottom, and the stiffening plate corresponds the bracket position and sets up, including welding horizontal stiffening plate and the vertical stiffening plate as an organic whole, and the bottom of horizontal stiffening plate and vertical stiffening plate mills flatly and with embedded bottom plate top tight, and the internal face and the welded fastening of top hug closely hemisphere shell. And a reinforcing short plate is vertically welded between the adjacent longitudinal reinforcing plates for reinforcement. The special bell-shaped structure of the main body shell of the utility model forms a natural groove with the butt-jointed bracket without additionally forming a groove, and the whole bearing area of the node is increased in a form of transition from a spherical shape to a cylindrical shape, so that the stress point is not easy to slide; the stress surface is formed according to the position layout of the outer bracket, the inner stiffening ribs with pertinence are built, the node weight is light, the arrangement mode of the stiffening plates is flexible and efficient, and multiple stiffening is formed.
Description
Technical Field
The utility model relates to a steel construction node technical field, concretely relates to bell-shaped steel construction node of high strength stiffening is applicable to the bell-shaped steel construction node of high strength stiffening that diversified corbel and bearing capacity are all connected with.
Background
With the continuous development of the construction industry, steel structures are exhibiting a unique and stylish appearance. By combining with the prior engineering practice, the node treatment is easy to find and determines the life cycle of the steel structure building to a certain extent. Prior to structural analysis, sufficient thinking and definition of the form of the node is required. According to different force transmission characteristics, the nodes are divided into rigid connection, hinged connection and semi-rigid connection. Therefore, various general node forms are available, but for some buildings with special architectural styles, such as a span spherical node stadium, the general node often has inapplicability in overall style, connection form and stress. For this reason, to the spherical node stadium class project of large-span, the utility model provides a be applicable to diversified bell-shaped steel construction node of high strength stiffening who all is connected with bracket and bearing capacity great.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a bell-shaped steel construction node of high strength stiffening solves present general type node and all has the technical problem of inappropriateness in whole style, connection form and atress, guarantees the harmonious nature of whole architectural style, realizes the force balance of many corbels structure to and the position of total bearing capacity is firm, is applicable to and diversely all is connected with the great node of corbel and bearing capacity.
In order to achieve the technical purpose, the utility model adopts the following technical scheme:
the utility model provides a bell-shaped steel construction node of high strength stiffening, its characterized in that: comprises a bell-shaped shell, a stiffening plate arranged inside the bell-shaped shell and corbels arranged outside the bell-shaped shell;
the bell-shaped shell comprises a hemispherical shell at the top and a cylindrical shell at the bottom, the top of the cylindrical shell and the bottom opening of the hemispherical shell have the same size and are connected into a whole, and an embedded bottom plate is arranged at the bottom of the cylindrical shell;
the stiffening plates are arranged corresponding to the bracket positions and are a series of welded and connected plane plates, each plane plate comprises a transverse stiffening plate and a longitudinal stiffening plate, the transverse stiffening plates and the longitudinal stiffening plates are welded into a whole, the bottom plates are milled flat and tightly propped against the embedded bottom plate, and the tops of the bottom plates are tightly attached to the inner wall surface of the hemispherical shell and are welded and fixed.
The longitudinal stiffening plates are arranged corresponding to the corbels on the front and rear longitudinal sections of the bell-shaped shell and comprise 2-4 longitudinal stiffening plates which are symmetrically and parallelly arranged, and at least two longitudinal stiffening plates are in butt joint with the corbels for bearing force.
Furthermore, the longitudinal stiffening plate is of a bilateral symmetry structure and consists of a rectangular part at the bottom and a fan-shaped part at the top, the bottom of the longitudinal stiffening plate is milled flat and is tightly propped against the embedded bottom plate, and the rest edges are tightly attached to the inner wall surface of the bell-shaped shell and are welded and fixed; and a reinforcing short plate is vertically welded between the adjacent longitudinal reinforcing plates for reinforcement. The internal stiffening form of the node has pertinence, a stiffening steel plate is erected on the stress surface corresponding to the external bracket, and other positions without the bracket are only erected with a stiffening short plate, so that the using amount of an internal steel structure is reduced, and the self counterweight is lightened.
Furthermore, the transverse stiffening plates are arranged corresponding to the corbels on the left and right longitudinal sections of the bell-shaped shell and comprise 2-4 transverse stiffening plates which are symmetrically arranged in parallel, and at least two transverse stiffening plates are in butt joint with the corbels for bearing force.
Furthermore, the transverse stiffening plate is arranged between the longitudinal stiffening plate on the outermost side and the inner wall surface of the bell-shaped shell, consists of a rectangular part at the bottom and a fan-shaped part at the top, is milled flat and tightly propped against the embedded bottom plate, is vertically welded and fixed to the inner side edge close to the longitudinal stiffening plate, and is welded and fixed to the inner wall surface of the bell-shaped shell by the rest edges.
Furthermore, embedded bottom plate is from taking the plug welding hole, and its edge sets up the groove and the welding of cylinder shell inner wall of being convenient for weld, and the support column is connected to the bottom.
Furthermore, the bracket is box-shaped, square-tube or round-tube, the special bell-shaped structure of the shell of the section main body forms a natural groove with the butted bracket, and no additional groove is needed. And the shape of the pipe column is excessive from the spherical shape, so that the stress area of the bearing end is gradually increased.
Compared with the prior art, the utility model has the following beneficial effects;
1. the bell-shaped shell of the utility model forms a natural groove with the butt-joint bracket by the special bell-shaped appearance, optimizes the whole process and eliminates the links of forming partial grooves;
2. the bell-shaped shell of the utility model is in a transition form from spherical to cylindrical, which increases the whole bearing area of the node and ensures that the bearing point is not easy to slide;
3. the utility model discloses the inside stiffening plate of node corresponds outside bracket stress surface, and more has pertinence, and under the circumstances of guaranteeing bulk strength, for alleviateing the whole weight of this node, its inner space is not filled completely to inside stiffening plate, only relies on each stiffening plate inter-action of system.
4. The utility model discloses having add embedded bottom plate from taking plug weld hole, from the bell node position of inside firm, increased the steadiness of bell node and node lower part member connection, compared and only having added one quality safety line of defence by the welding of bell shell.
Drawings
The present invention will now be described with reference to the accompanying drawings, in which:
fig. 1 is a schematic view of the overall structure of a high-strength stiffening bell-shaped node according to the present invention;
FIG. 2 is an elevation view of the internal structure of a high strength stiffening bell-shaped node according to the present invention;
FIG. 3 is a side view of the internal structure of a high strength stiffening bell-shaped node in accordance with the present invention;
FIG. 4 is a top view of the internal structure of a high strength stiffening bell-shaped node according to the present invention;
reference numerals: 1-hemispherical shell, 2-cylindrical shell, 3-bracket, 4-transverse stiffening plate, 5-longitudinal stiffening plate, 6-reinforcing short plate, 7-embedded bottom plate and 8-plug welding hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments, of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in figure 1, the high-strength stiffening bell-shaped steel structure node which is suitable for being connected with corbels in multiple directions and has large bearing capacity comprises a corbel 3, a bell-shaped shell and stiffening plates. The bracket 3 comprises a box type bracket, a square tube and a round tube, a natural groove is formed between the bell-shaped shell and the butt bracket, the whole process is optimized, and partial groove opening links are omitted; bracket 3 not only limits to the horizontal arrangement, can also be in the vertical arrangement in bell-shaped node upper end, also can the tilting arrange, and inclination depends on bracket quantity, first selects to arrange with 45 degrees contained angles, and when exceeding a certain quantity, spatial position's restriction shows, overlaps each other between the bracket, for this reason sets up the through mouth on inferior bracket, guarantees the reliability of load. During which special attention is paid to quality control of the concealed welds. In order to ensure the welding strength, groove welding is used, and the thickness of welding materials, namely the height of a welding seam, is ensured. The welding positions are arranged symmetrically according to the position of the internal stiffening plate and the overall appearance.
The bell-shaped shell comprises a hemispherical shell 1 at the top and a cylindrical shell 2 at the bottom, the top of the cylindrical shell 2 and the bottom opening of the hemispherical shell 1 are the same in size and are connected into a whole, an embedded bottom plate 7 is arranged at the bottom of the cylindrical shell 2, and the embedded bottom plate is provided with a plug welding hole; the hemispherical shell 1 and the cylindrical shell 2 are formed by seamless welding; the molding of bell-shaped node shell does not use sand mould one-time molding, has avoided the fracture problem that the quality of pouring brought.
As shown in fig. 2 to 4, the stiffening plates correspond to the stress points of the outer bracket 3, and the stiffening plates are roughly divided into three types and interact with each other; in this embodiment, the stiffening plates inside the bell-shaped nodes are arranged in a staggered manner, the smaller transverse stiffening plates 4 are arranged transversely, the smaller transverse stiffening plates are arranged between the longitudinal stiffening plate arranged on the outermost side and the inner wall surface of the bell-shaped shell and consist of rectangular parts at the bottom and fan-shaped parts at the top, the bottom of each transverse stiffening plate is milled flat and is abutted against the embedded bottom plate, the inner side close to the longitudinal stiffening plate is welded and fixed with the longitudinal stiffening plate in a vertical manner, and the rest edges of each transverse stiffening plate are abutted against the inner wall surface of the bell-shaped shell and are welded and fixed. The larger longitudinal stiffening plates 5 are longitudinally arranged, are of a bilateral symmetry structure, consist of rectangular parts at the bottom and fan-shaped parts at the top, are milled flat and tightly propped against the embedded bottom plate, and the rest edges are tightly attached to the inner wall surface of the bell-shaped shell and are welded and fixed; the reinforcing short plates are perpendicularly welded between the adjacent longitudinal stiffening plates for reinforcing, and the longitudinal stiffening plates 5 are three in total, tightly connected with the transverse stiffening plates 4 and the inner side of the bell-shaped shell in a propping mode and welded and located at the position closer to the center of the bell-shaped node. And secondly, arranging a small-size short reinforcing plate 6 between the three longitudinal stiffening plates 5 at the lower part, and tightly pushing the embedded bottom plate 7 and the longitudinal stiffening plates 5. All the inner steel plates are welded and fastened.
The embedded bottom plate 7 at the lower part of the bell-shaped node is provided with a plug welding hole, and the side end of the embedded bottom plate is provided with a cut 50-degree groove. Mainly used for connecting the components outside the bell-shaped node. The upper end part is polished to be flat, rust and bulges do not exist, the stiffening plate is completely propped, the size of the stiffening plate is just the same as the inner diameter of the bell-shaped node, and the stiffening plate belongs to an embedded structure. The lower surface of the embedded bottom plate is flush with the lower surface of the bell-shaped shell to stabilize the stress surface.
The specific use method is as follows:
firstly, determining the size of a bell-shaped shell of a bell-shaped node according to the overall architectural style, and assembling and welding;
step two, determining the number of the brackets 3 to be butted and the butted positions, and if the number of the brackets 3 is large and the crossed and overlapped condition occurs, forming intersecting openings on secondary brackets and paying more attention to the subsequent welding of hidden welding seams;
step three, determining the size of the internal stiffening plate (the position of the reserved embedded bottom plate) according to the position of the bracket 3 determined in the step two, wherein the position of the internal stiffening plate corresponds to the stress surface of the bracket; after the position is determined, the stiffening plate and the bell-shaped shell are welded firmly;
welding the prepared corbel on the determined position of the bell-shaped shell in advance;
step five, the prepared embedded bottom plate is tightly propped against the stiffening plate and welded at the lower part of the bell-shaped node, and the bottom plane of the embedded bottom plate is ensured to be flush with the bottom plane of the bell-shaped shell;
and step six, completing welding of the high-strength stiffening bell-shaped node, and starting welding and hoisting operation with other members.
In the welding method, the transverse and longitudinal stiffening plates and the reinforcing short plates are fillet-welded, the stiffening plates and the inner wall of the bell-shaped shell are also fillet-welded, the bottom embedded bottom plate 7 cannot be welded with the upper stiffening plate due to position limitation, only the connecting surface is milled flat and then is abutted against the bottom embedded bottom plate, and the periphery of the embedded bottom plate 7 is welded with a groove at the lower end part of the bell-shaped shell.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
Claims (7)
1. The utility model provides a bell-shaped steel construction node of high strength stiffening, its characterized in that: comprises a bell-shaped shell, a stiffening plate arranged inside the bell-shaped shell and corbels (3) arranged outside the bell-shaped shell;
the bell-shaped shell comprises a hemispherical shell (1) at the top and a cylindrical shell (2) at the bottom, the top of the cylindrical shell (2) and the bottom opening of the hemispherical shell (1) are the same in size and are connected into a whole, and an embedded bottom plate (7) is arranged at the bottom of the cylindrical shell (2);
the stiffening plate is arranged corresponding to the position of the bracket (3) and is a series of plane plates connected in a welded mode, the plane plates comprise transverse stiffening plates (4) and longitudinal stiffening plates (5), the transverse stiffening plates (4) and the longitudinal stiffening plates (5) are welded into a whole, and the outer side faces are tightly attached to the inner wall face of the hemispherical shell (1) and are fixed in a welded mode.
2. A high strength stiffened bell shaped steel structural node as defined in claim 1 wherein: the longitudinal stiffening plates (5) are arranged corresponding to the corbels (3) on the front and rear longitudinal sections of the bell-shaped shell and comprise 2-4 longitudinal stiffening plates which are symmetrically arranged in parallel, wherein at least two longitudinal stiffening plates (5) are in butt joint with the corbels (3) for bearing force.
3. A high strength stiffened bell shaped steel structural node as defined in claim 1 wherein: the longitudinal stiffening plates (5) are of a bilateral symmetry structure and are composed of rectangular parts at the bottom and fan-shaped parts at the top, the bottoms of the longitudinal stiffening plates are milled flat and tightly propped against the embedded bottom plate (7), and the rest edges of the longitudinal stiffening plates are tightly attached to the inner wall surface of the bell-shaped shell and are welded and fixed; and a reinforcing short plate (6) is vertically welded between the adjacent longitudinal stiffening plates (5) for reinforcement.
4. A high strength stiffened bell shaped steel structural node as defined in claim 1 wherein: the horizontal stiffening plates (4) are arranged corresponding to the corbels (3) on the left and right longitudinal sections of the bell-shaped shell and comprise 2-4 symmetrical and parallel stiffening plates, wherein at least two horizontal stiffening plates (4) are in butt joint with the corbels (3) for bearing force.
5. A high strength stiffened bell shaped steel structural node as defined in claim 1 wherein: the transverse stiffening plate (4) is arranged between the longitudinal stiffening plate (5) on the outermost side and the inner wall surface of the bell-shaped shell and consists of a rectangular part at the bottom and a fan-shaped part at the top, the bottom of the transverse stiffening plate is milled flat and is tightly propped against the embedded bottom plate (7), the inner side close to the longitudinal stiffening plate (5) is vertically welded and fixed with the longitudinal stiffening plate, and the rest edges are tightly attached to the inner wall surface of the bell-shaped shell and are welded and fixed.
6. A high strength stiffened bell shaped steel structural node as defined in claim 1 wherein: the embedded bottom plate (7) is provided with a plug welding hole (8), a groove convenient for welding is arranged at the edge of the embedded bottom plate and is welded with the inner wall of the cylindrical shell (2), and the bottom of the embedded bottom plate is connected with a supporting column.
7. A high strength stiffened bell shaped steel structural node as defined in any one of claims 1 to 6 wherein: the bracket (3) is box-shaped, square or round.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020416465.6U CN212176065U (en) | 2020-03-27 | 2020-03-27 | High-strength stiffening bell-shaped steel structure node |
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| CN202020416465.6U CN212176065U (en) | 2020-03-27 | 2020-03-27 | High-strength stiffening bell-shaped steel structure node |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113622513A (en) * | 2021-08-11 | 2021-11-09 | 中国建筑第八工程局有限公司 | Inverted-gyro-shaped truss connecting system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113622513A (en) * | 2021-08-11 | 2021-11-09 | 中国建筑第八工程局有限公司 | Inverted-gyro-shaped truss connecting system |
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