CN204139332U - For the X-type gusset plate of box-type section surface net shell - Google Patents
For the X-type gusset plate of box-type section surface net shell Download PDFInfo
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- CN204139332U CN204139332U CN201420443960.0U CN201420443960U CN204139332U CN 204139332 U CN204139332 U CN 204139332U CN 201420443960 U CN201420443960 U CN 201420443960U CN 204139332 U CN204139332 U CN 204139332U
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Abstract
The utility model discloses a kind of X-type gusset plate for box-type section surface net shell, comprises, box-type section rod member, hexagon gusset plate and two four mid-side node plates; Hexagon gusset plate is welded as a whole with four mid-side node plates respectively, forms X-type gusset plate; The end of rod member is formed with the corner cut suitable with lattice section point board space angle, and corner cut is welded as a whole with X-type gusset plate respectively.Beneficial effect is: the centerline direction of X-type gusset plate intersection is consistent with the curved surface place normal that adjacent rod member is formed, and the layout of gusset plate is respectively the angular bisector direction of four box-girders; Be welded as the steel plate of X-shaped, the weldquality of its node point connection is controlled, and within realizing four and four of any different angles in surface net shell space, box type rod piece connects into entirety by X-shaped node.The connection of individual layer surface net shell Nodes box section girder steel and the space transition of angle, reach the power transmission effect of rigid joint, latticed shell structure surface modeling is smooth, meets architectural image requirement.
Description
Technical field
The utility model belongs to technical field of buildings, relates to a kind of X-type gusset plate for box-type section surface net shell a kind of Types of nodes realizing the irregular angle box-type section connection of any space curved surface moulding specifically.
Background technology
Latticed shell structure is that rod member is connected by node and the curved spatial frames formed.Latticed shell structure mainly bears monolithic film membrane internal force, advantages such as having space-load, lightweight, rigidity is large, anti-seismic performance is good, can be used as the roof system of the buildings such as sports palace, cinema, exhibition hall, Waiting Lounge, Stadium canopy, hangar.
The node of latticed shell structure should have following performance: 1) reliable join dependency structural member; 2) structure power transmission directly, clearly; 3) node has enough rigidity, ensures that rod member realizes being rigidly connected; 4) ensure that building surface modeling is complete, smooth-going.
Latticed shell structure is made up of rod member, especially single-layer latticed shell, must solve the node mode that rod member connects.The node type that in current engineering, latticed shell structure is conventional has: the combined joint etc. of welded spherical node, cast steel node, tubular joint, multiple pattern.Wherein welded spherical node is mainly used in the connection between round steel pipe, all the other nodes then can be used for pipe to pipe, square tube to square tube, pipe to the connection of square tube, gusset-type joint of putting more energy into also can be used for the connection of the rod member of steel pipe and other cross section types.
Welded spherical node welds glomerate connected node by two drop stamping steel hemisphere ribbings or not ribbing, and rod member is welded direct to the node that closed spherical shell is formed.Be mainly used in the connection between round steel pipe.When rod member size is larger, solder sphere diameter is large, affects architectural image.
The space nodes for complicated shape or stress condition that cast steel node manufactures with casting technique, can avoid Nodes to produce very large initial stress because of Rewelding.Cast steel node and steel pipe need field assembly to weld.The dimensional accuracy of each spherical cast steel joint directly has influence on the installation of the node that the steel pipe that is attached thereto is connected with other end, and the cumulative errors in installation process control very strict, and general node should not adopt.
The equal junction in rod member axle center of all directions that welded K-joint of steel tubular connects is to a bit, i.e. line of force junction, generally only have on the same axis two adjacent rod members the thickest through, all the other rod members are by after the processing of end intersection, directly be welded on the appearance of through rod member, non-penetrating rod member may be disconnected from each other at position of joints, also may partly overlap.Because the difference of the quantity of steel pipe of crossing, angle, size makes intersection come in every shape. and groove difficult treatment, in space structures, difficulty of construction is larger, constructively more complicated when rod member is more.
Summary of the invention
The technical problem that the utility model solves is, overcomes prior art defect, provides the X-type rigid joint plate that a kind of box type rod piece that can realize any different angles in surface net shell space reliably connects.
The technical scheme that the utility model adopts is: a kind of X-type gusset plate for box-type section surface net shell, comprises, the box-type section rod member of Spatial Lattice Shells, hexagon gusset plate and two four mid-side node plates; Described hexagon gusset plate is welded as a whole with four mid-side node plates respectively, forms X-type gusset plate; The end of box-type section rod member is formed with the corner cut suitable with lattice section point board space angle, and corner cut is welded as a whole with X-type gusset plate respectively.
The centerline direction of described X-type gusset plate intersection and adjacent box section bar part to form the normal at curved surface place consistent, the layout of X-type gusset plate is respectively the angular bisector direction of box-girder.
Described box-type section rod member is 2 to 4.
The beneficial effects of the utility model are: centerline direction box adjacent with the four section bar part of X-type gusset plate intersection to form the normal at curved surface place consistent, the layout of gusset plate is respectively the angular bisector direction of four box-girders; Become X-shaped by one block of hexagon steel plate with the four limit Plate Weldings of two pieces little, node point connection weldquality has controllability, and within realizing four and four of any different angles in surface net shell space, box type rod piece connects into entirety by X-shaped node.The connection of individual layer surface net shell Nodes box section girder steel and the space transition of angle, reach the power transmission effect of rigid joint, latticed shell structure surface modeling is smooth, meets architectural image requirement.
Accompanying drawing explanation
Fig. 1 is the arrangement mode schematic diagram of the utility model lattice section point junction plate;
Fig. 2 is node junction plate auxiliary positioning line schematic diagram;
Fig. 3 is node junction plate position line schematic diagram;
Fig. 4 is node junction plate central plane schematic diagram.
In figure:
1,2,3,4. box-type section rod member 5. hexagon gusset plate
6,7. four mid-side node plate 8. node normals
9,10,11,12. gusset plate position line 13,14,15,16. rod member center lines
17. gusset plate central point 18. auxiliary planes
19,20,21,22. boost line 23,24,25,26 secondary surfaces.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
The node type of attachment of traditional latticed shell structure has been carried out improvement optimal design by the utility model, adopts X-type rigid joint plate to realize the reliable connection of 4 box type rod pieces of any different angles in surface net shell space.Centerline direction box adjacent with the four section bar part of X-type gusset plate intersection to form the normal at curved surface place consistent, the layout of gusset plate is respectively the angular bisector direction of four box-girders.This mentality of designing both ensure that the security needs of engineering, it can be made again overall definitely stressed, decrease design, construction working, adopt this design scheme greatly can reduce construction costs, have a wide range of applications promotion prospect.
As shown in Figures 1 to 4, the utility model is a kind of X-type gusset plate for box-type section surface net shell, realizes comprising the following steps, and box-type section rod member 1,2,3,4 is put according to architectural image by A.; B. the center line 13,14,15,16 of four adjacent box section bar parts 1,2,3,4 is formed the curved surface requiring with architectural image to conform to, rod member center line 13,14,15,16 intersects at central point 17; By central point 17, make rod member center line 13,14,15,16 and form normal to a surface 8, make auxiliary plane 18 with normal 8 for Z axis by rod member center line intersection point 17,18 was the section of central point 17; C. rod member center line 13,14,15,16 is projected to auxiliary plane 18 and obtains boost line 19,20,21,22; D. gusset plate position line is determined; Wherein, the angular bisector of boost line 19,22 is gusset plate position line 9; The angular bisector of boost line 19,20 is gusset plate position line 10; The angular bisector of boost line 20,21 is gusset plate position line 11; The angular bisector of boost line 21,22 is gusset plate position line 12; E. secondary surface is determined; Wherein, the plane that gusset plate position line 9 and node normal 8 are formed is secondary surface 23; The plane that gusset plate position line 10 and node normal 8 are formed is secondary surface 24; The plane that gusset plate position line 11 and node normal 8 are formed is secondary surface 25; The plane that gusset plate position line 12 and node normal 8 are formed is secondary surface 26; Secondary surface 23 and secondary surface 25 are the central plane of hexagon gusset plate 5; Secondary surface 24 and 26 is respectively the central plane of four mid-side node plates 6 and 7; F. hexagon gusset plate 5 and four mid-side node plates 6,7 are cut out according to central plane; G. hexagon gusset plate 5 is welded as a whole with four mid-side node plates 6,7 respectively, and form lattice section point junction plate, X-type rigid joint plate can realize the reliable connection of 4 box type rod pieces of any different angles in curved surface single-layer lattice shell space.
Now be described for four box-type section rod members: the utility model is used for the X-type gusset plate of box-type section surface net shell, comprises, the box-type section rod member of Spatial Lattice Shells 1,2,3,4, hexagon gusset plate and two four mid-side node plates; Described hexagon gusset plate 5 is welded as a whole with four mid-side node plates 6,7 respectively, forms X-type gusset plate; The end of box-type section rod member 1,2,3,4 is formed with the corner cut suitable with lattice section point board space angle, corner cut is welded as a whole with X-type gusset plate respectively, X-type rigid joint plate can realize the reliable connection of 4 box type rod pieces of any different angles in surface net shell space, latticed shell structure surface modeling is smooth, meets architectural appearance requirement.
One block of hexagon steel plate becomes X-shaped with the four limit Plate Weldings of two pieces little, centerline direction box adjacent with the four section bar part of X-type gusset plate intersection to form the normal at curved surface place consistent, the layout of gusset plate is respectively the angular bisector direction of four box-girders.Four box type rod pieces realizing any different angles in surface net shell space connect into entirety by X-shaped node, ensure that the safety of engineering, and it can be made overall definitely stressed.The space transition of the connection of latticed shell structure curved surface and angle, moulding is smooth, reach the power transmission effect of rigid joint, meet architectural appearance requirement, node point connection weldquality has controllability, the requirement of structure stress can be met, solve the direction in space sex chromosome mosaicism of complex-curved middle box-girder simultaneously, factory process and site operation convenient and simple.This X-shaped node can make it overall definitely stressed, decreases design, construction working, and adopts this design scheme greatly can reduce construction costs, have a wide range of applications promotion prospect.
Lattice section point is compared with traditional welding ball node type of attachment, and especially the power transmission form that rod member connects can be specified in box-type section rod node junction, reduces node size simultaneously, ensures architectural image demand, can not have an impact to architectural appearance; Compared with traditional cast steel node type of attachment, require to reduce to factory's preprocessing node size control accuracy, reduce Construction of Steel Structure difficulty, reduce connected node cost simultaneously; Compared with conventional steel tubular joint, greatly reduce rod member Site Welding engineering quantity, reduce rod member welding difficulty, reduce the welding for steel structure stress that construction produces, effectively can control weldquality simultaneously, ensure workmanship.
It is worthy of note; protection domain of the present utility model is not limited to above-mentioned instantiation mode; as; in single-layer latticed shell, box section bar part can be two or three irregular angle rod members; its principle is identical with content disclosed in the present application, and therefore, the application is not repeating this; as long as those of ordinary skill in the art are without the need to through creative work, the embodiment that can associate all belongs to protection domain of the present utility model.
Claims (3)
1. for an X-type gusset plate for box-type section surface net shell, it is characterized in that, comprise, the box-type section rod member of Spatial Lattice Shells, hexagon gusset plate and two four mid-side node plates; Described hexagon gusset plate is welded as a whole with four mid-side node plates respectively, forms X-type gusset plate; The end of box-type section rod member is formed with the corner cut suitable with lattice section point board space angle, and corner cut is welded as a whole with X-type gusset plate respectively.
2. a kind of X-type gusset plate for box-type section surface net shell according to claim 1, it is characterized in that, the centerline direction of described X-type gusset plate intersection and adjacent box section bar part to form the normal at curved surface place consistent, the layout of X-type gusset plate is respectively the angular bisector direction of box-girder.
3. a kind of X-type gusset plate for box-type section surface net shell according to claim 1, it is characterized in that, described box-type section rod member is 2 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420443960.0U CN204139332U (en) | 2014-08-07 | 2014-08-07 | For the X-type gusset plate of box-type section surface net shell |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420443960.0U CN204139332U (en) | 2014-08-07 | 2014-08-07 | For the X-type gusset plate of box-type section surface net shell |
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| CN204139332U true CN204139332U (en) | 2015-02-04 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104131621A (en) * | 2014-08-07 | 2014-11-05 | 铁道第三勘察设计院集团有限公司 | X-shaped node plate for box-shaped cross section curve surface reticulated shell |
| CN104775527A (en) * | 2015-04-16 | 2015-07-15 | 国家电网公司 | X-shaped intersecting material connecting node structure of steel pipe |
| CN110552427A (en) * | 2019-06-28 | 2019-12-10 | 中冶(上海)钢结构科技有限公司 | Low-cost single-layer latticed shell space hyperbolic modeling implementation method |
-
2014
- 2014-08-07 CN CN201420443960.0U patent/CN204139332U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104131621A (en) * | 2014-08-07 | 2014-11-05 | 铁道第三勘察设计院集团有限公司 | X-shaped node plate for box-shaped cross section curve surface reticulated shell |
| CN104775527A (en) * | 2015-04-16 | 2015-07-15 | 国家电网公司 | X-shaped intersecting material connecting node structure of steel pipe |
| CN104775527B (en) * | 2015-04-16 | 2018-03-02 | 国家电网公司 | A kind of steel pipe " X " type intersects material connecting joint structure |
| CN110552427A (en) * | 2019-06-28 | 2019-12-10 | 中冶(上海)钢结构科技有限公司 | Low-cost single-layer latticed shell space hyperbolic modeling implementation method |
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Address after: 300142 Hebei District, Zhongshan Road, No. 10, Co-patentee after: BEIJING BRANCH, ARUP CONSULTING (SHANGHAI) CO., LTD. Patentee after: China Railway Design Group Limited Address before: 300142 Hebei District, Zhongshan Road, No. 10, Co-patentee before: BEIJING BRANCH, ARUP CONSULTING (SHANGHAI) CO., LTD. Patentee before: China Railway Third Survey and Design Institute Group Ltd. |