CN105023293A - Round and square pipe transition joint and three-dimensional modeling method thereof - Google Patents
Round and square pipe transition joint and three-dimensional modeling method thereof Download PDFInfo
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- CN105023293A CN105023293A CN201510400252.8A CN201510400252A CN105023293A CN 105023293 A CN105023293 A CN 105023293A CN 201510400252 A CN201510400252 A CN 201510400252A CN 105023293 A CN105023293 A CN 105023293A
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- circle
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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
- E04B1/58—Connections for building structures in general of bar-shaped building elements
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
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Abstract
The invention provides a round and square pipe transition joint and a three-dimensional modeling method thereof. The method comprises the following steps: establishing a plane rectangular coordinate system, drawing an inner circle and an outer circle with an origin being the center of the circle, wherein the two circles form a circle ring; meanwhile, drawing a square interface in the coordinate system, making an auxiliary regular octagon in the bottom-surface circle, arranging four end points of the regular octagon to the coordinate axis, and connecting the end point of the inscribed circle on the Y axis of the rectangular coordinate system and an angle point of the inscribed square; removing the bottom-surface circle and the connection line, and drawing an inclined column body in the same coordinate system with the bottom-surface circle being the cross section and the connection line being a bus; taking the cross section as the section cutting plane of the column body and obtaining a curved surface, of which the bottom portion is 1/8 arc; and moving the curved surface to the same position of the bottom-surface circle, obtaining other curved surfaces with the same method, forming a plane isosceles triangle plate and two inclined curved surface plates, and finally, forming round and square pipe transition joints. The structure formed through the method above can uniformly bear external force, is reliable to transmit force, is good in connection bearing performance, and reduces stress concentration.
Description
Technical field
The invention belongs to long strands field, particularly relating to a kind of for building the round square tube transition node and three-dimensional modeling method thereof that Steel-concrete Composite pipe is connected with square tube component.
Background technology
Along with the development of national economy, more and more larger large space such as stadiums, recreation and shopping square, conference and exhibition center, airport, high ferro station, Super High and extra space buildings need to build.This type of construction style is generally Long-Span Steel Space Structures, usually all has the features such as span is large, moulding is unique, complex structure, often becomes a regional landmark.For meeting architectural image requirement, simultaneously in order to obtain better Social benefit and economic benefit, various connected node forms supporting with it are also widely used in each building field.
Node is the core of steel construction, and the increasingly sophisticated application that is various and hybrid structure of large cantilever space structure profile causes joint form to be also tending towards diversified and complicated.The basis of initial plate node and ball node has been developed again tubular joint, the cast steel node and some mixed nodes etc. of the direct junction of tube and tube.Pipe and pipe intersection common practices are tubular joint or ball node, have and apply in domestic Other Engineering.For the consideration of the aspect such as attractive in appearance, square tube has started to be applied in large cantilever space structure in structural design, and the type of attachment of square tube and pipe is domestic there is no very ripe specification and technique can be used for reference.
Follow the principle of " strong node, weak component " in structural design, the design of node of spatial mesh structure is the safe and reliable important guarantee of structural design.Only have by reliable connected node, the design idea of structural engineer could be realized, obtain the structure of safe enough.How many connected nodes are accomplished rational connection, all become a problem being badly in need of improving to ensure that its structure stress is reasonable, easy to process, in-site installation is convenient, construction is fast, reduce the workload etc. of Site Welding.
The square tube of circle disclosed in prior art transition node, this transition node is made up of four transition faces, transition face is provided with two crossing flex point separatrix, and separatrix and side sealing wire and upper sealing wire form two right triangular shape, and transition face intermediate cam shape face is cambered surface.Though this kind of method has certain effect to improving power transmission, but in actual applications, blank size especially cambered plate size is difficult to determine, rolling difficulty, and its suitable dimensions is less than normal, when scantling is comparatively large or component is partially thick, the stressed and rolling requirements that transition connects can not be met.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of three-dimensional modeling method justifying square tube transition node, by the round square tube transition node that the method is made, not only there is uniform force, carry steadily reliably, be suitable for the wide performance of range of nodes, and the change in size of architectural design can be coordinated to require to determine the operation of rolling, the stress that rolling causes can be reduced simultaneously and concentrate and cracking phenomena.
The present invention realizes like this, a kind of circle square tube transition node, comprise the compoboard that four structures are identical, each compoboard includes the skew surface plate of a plane isosceles triangle plate and two arc surfaceds, described triangular plate is positioned at the centre position of described compoboard, and described two skew surface plates lay respectively at the both sides of described triangular plate; Described skew surface plate does the rolling of mill train line by the bus of the inclination cylinder along bottom surface being circle and forms.
Further, described triangular plate comprises the first base and two first sides, and described two first sides are crossing with described first base respectively to be connected, and described two first sides are intersected, and described first base and first side are planar structure.
Further, described skew surface plate comprises the second base, second side and the 3rd side, described second side and described 3rd side is crossing with described second base respectively connects, described second base and described second side are arc surface structure, described 3rd side is planar structure, described second side is welded together by side sealing wire with the corresponding second side of one of them skew surface plate of another adjacent sets plywood, and described 3rd side then overlaps with described first side.
Further, described four compoboards are connected respectively by four side sealing wires, and described four the first bases form one for the square aperture with square tubes soldering, the circular open of described four the second bases formation one for welding with pipe.
Present invention also offers a kind of three-dimensional modeling method justifying square tube transition node, comprise the steps:
Step 1: set up plane right-angle coordinate OXY, and inner circle (r=1330mm) and cylindrical (R=1400mm) is drawn using initial point as the center of circle, and two round-formed annulus, in described coordinate system, draw square interface simultaneously, described square interface is moved to design height (Z=4000mm), and auxiliary octagon is done in the circle of bottom surface, wherein four end points of described octagon are arranged in described coordinate axis, connect terminal A in the Y-axis in inscribed circle and rectangular coordinate system and interiorly connect foursquare angle point B line;
Step 2: shift out the bottom surface circle in step 1 and AB line, and in the same coordinate system, with described bottom surface annulus for cross section, AB line is bus, draws inclination cylinder;
Step 3: make cylinder cutting plane with cross section OAB and cross section OBC, obtain the curved surface ABC that bottom is 1/8th circular arcs, wherein C point is a described octagonal angle point;
Step 4: the same position described curved surface ABC being moved into the end circle in step 3, and draw other curved surface in the same way, form a plane isoceles triangle plate and two skew surface plates, the final model forming circle square tube transition node three-dimensional picture.
The present invention compared with prior art, beneficial effect is: the three-dimensional modeling method of the round square tube transition node that embodiment of the present invention provides, by the combinatorial surface of compoboard being arranged to plane isosceles triangle plate and the skew surface plate of arc surfaced, thus while making compoboard directly can assemble use after setting-out, ensure the uniform force of transition node, power transmission is reliable, connects load-carrying properties good; In addition, the change in size of architectural design can be coordinated to require to determine the operation of rolling, be adapted to the transition node design of various sizes, there is general significance of application; And the combinatorial surface adopting plane trigonometry plate and oblique cambered plate to form more easily, accurately can determine blank size, and the stress that rolling causes can be greatly reduced concentrate and cracking phenomena; Described circle side node component is processed by sheet material, does not need to adopt the technique such as forged steel pieces or steel-casting to process, and while effectively reducing the expense of circle side's node, can also be applicable to the design of heavy in section, greatly circle side's node of thickness of slab.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of the round square tube transition node that the embodiment of the present invention provides.
Fig. 2 is the schematic diagram of choosing node bus of round square tube transition node when three-dimensional modeling in Fig. 1.
Fig. 3 is the bus schematic diagram that the round square tube transition node in Fig. 1 determines when three-dimensional modeling.
Fig. 4 is the oblique circular cylinder schematic diagram according to choosing bus and making.
Fig. 5 is the schematic diagram of two cutting planes of oblique circular cylinder in Fig. 4.
Fig. 6 is the schematic diagram of the oblique cambered plate cut from the oblique circular cylinder Fig. 4
Fig. 7 is the schematic diagram of round square tube transition node when combining in Fig. 1.
Fig. 8 is the schematic diagram that the round square tube transition node in Fig. 1 has combined.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Refer to shown in Fig. 1 to Fig. 7, a kind of three-dimensional modeling method justifying square tube transition node that embodiment of the present invention provides, comprise the steps:
Step 1: set up plane right-angle coordinate, and inner circle (r=1330mm) and the round-formed annulus of cylindrical (R=1400mm) two is drawn using initial point as the center of circle, in described coordinate system, draw square interface simultaneously, described square interface is moved to design height (Z=4000mm), and auxiliary octagon is done in the circle of bottom surface, wherein four end points of described octagon are arranged in described coordinate axis, connect terminal A in inscribed circle and Y-axis and interiorly connect foursquare angle point B line (Fig. 1 is shown);
Step 2: shift out the bottom surface circle in Fig. 1 and AB line, and in the same coordinate system, with described bottom surface annulus for cross section, AB line is bus, draws inclination cylinder (shown in Fig. 2);
Step 3: make cylinder cutting plane with cross section OAB and cross section OBC, obtains the curved surface ABC that bottom is 1/8th circular arcs, and wherein C point is a described octagonal angle point (shown in Fig. 3);
Step 4: the same position described curved surface ABC in Fig. 4 being moved into the end circle in Fig. 2, draw other 7 curved surfaces in the same way, on four direction, combinatorial surface is respectively a plane isoceles triangle plate and two skew surface plates (shown in Fig. 4 and Fig. 5), the final model (shown in Fig. 6 and Fig. 7) forming three-dimensional picture.
Refer to shown in Fig. 8, the round square tube transition node made by described three-dimensional modeling method is for the pipe in connecting building steel construction and square tube component, and described round square tube transition node is welded by the compoboard 100 that four structures are identical.Each compoboard 100 comprises a triangular plate 1 and two skew surface plates 2, and described triangular plate 1 is positioned at the centre position of described compoboard 100, and described two skew surface plates 2 lay respectively at the both sides of described triangular plate 1.
Described triangular plate 1 is isosceles triangle, and its surface is plane, directly can assemble use after setting-out.Described triangular plate 1 comprises the first base 10 and two first sides 11.Described two first sides 11 are crossing with described first base 10 respectively to be connected, and described two first sides 11 are intersected, and described first base 10 and first side 11 are planar structure.
The tilt column system that described skew surface plate 2 is circle by virtual bottom surface becomes, and its surface is globoidal structure.Described skew surface plate 2 comprises the second base 20, second side 21 and the 3rd side 22, described second side 21 and described 3rd side 22 are crossing with described second base 20 respectively to be connected, described second base 20 and described second side 21 are arc surface structure, and described 3rd side 22 is planar structure.Described second side 21 is welded together by side sealing wire 4 with the corresponding second side 21 of one of them skew surface plate 2 of another compoboard 100, and described 3rd side 22 overlaps with described first side 11.
When assembling described round square tube transition node, by skew surface plate 2 second side 21 of described four compoboard 100 correspondences is welded together by described side sealing wire 4, thus the square aperture (non-label) that formation one upper end is formed by described four the first bases 10, and the circular open (non-label) that a lower end is formed by described four the second bases 20.Described square aperture is used for and square tubes soldering, and described circular open is used for welding with pipe.
The round square tube transition node made by three-dimensional modeling method that embodiment of the present invention provides, by the combinatorial surface of compoboard being arranged to plane isosceles triangle plate and the skew surface plate of arc surfaced, thus while making compoboard directly can assemble use after setting-out, ensure the uniform force of transition node, power transmission is reliable, connects load-carrying properties good; In addition, the change in size of architectural design can be coordinated to require to determine the operation of rolling, be adapted to the transition node design of various sizes, there is general significance of application; And the combinatorial surface adopting plane trigonometry plate and oblique cambered plate to form more easily, accurately can determine blank size, and the stress that rolling causes can be greatly reduced concentrate and cracking phenomena; Described circle side node component is processed by sheet material, does not need to adopt the technique such as forged steel pieces or steel-casting to process, and while effectively reducing the expense of circle side's node, can also be applicable to the design of heavy in section, greatly circle side's node of thickness of slab.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1. a round square tube transition node, comprise the compoboard that four structures are identical, each compoboard includes the skew surface plate of a plane isosceles triangle plate and two arc surfaceds, described triangular plate is positioned at the centre position of described compoboard, and described two skew surface plates lay respectively at the both sides of described triangular plate; Described skew surface plate does the rolling of mill train line by the bus of the inclination cylinder along bottom surface being circle and forms.
2. circle square tube transition node as claimed in claim 1, it is characterized in that, described triangular plate comprises the first base and two first sides, described two first sides are crossing with described first base respectively to be connected, described two first sides are intersected, and described first base and first side are planar structure.
3. circle square tube transition node as claimed in claim 2, it is characterized in that, described skew surface plate comprises the second base, second side and the 3rd side, described second side and described 3rd side is crossing with described second base respectively connects, described second base and described second side are arc surface structure, described 3rd side is planar structure, described second side is welded together by side sealing wire with the corresponding second side of one of them skew surface plate of another adjacent sets plywood, and described 3rd side then overlaps with described first side.
4. circle square tube transition node as claimed in claim 3, it is characterized in that, described four compoboards are connected respectively by four side sealing wires, and described four the first bases form one for the square aperture with square tubes soldering, the circular open of described four the second bases formation one for welding with pipe.
5. justify a three-dimensional modeling method for square tube transition node, comprise the steps:
Step 1: set up plane right-angle coordinate OXY, and inner circle (r=1330mm) and cylindrical (R=1400mm) is drawn using initial point as the center of circle, and two round-formed annulus, in described coordinate system, draw square interface simultaneously, described square interface is moved to design height (Z=4000mm), and auxiliary octagon is done in the circle of bottom surface, wherein four end points of described octagon are arranged in described coordinate axis, connect terminal A in the Y-axis in inscribed circle and rectangular coordinate system and interiorly connect foursquare angle point B line;
Step 2: shift out the bottom surface circle in step 1 and AB line, and in the same coordinate system, with described bottom surface annulus for cross section, AB line is bus, draws inclination cylinder;
Step 3: make cylinder cutting plane with cross section OAB and cross section OBC, obtain the curved surface ABC that bottom is 1/8th circular arcs, wherein C point is a described octagonal angle point;
Step 4: the same position described curved surface ABC being moved into the end circle in step 3, and draw other curved surface in the same way, form a plane isoceles triangle plate and two skew surface plates, the final model forming circle square tube transition node three-dimensional picture.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510400252.8A CN105023293A (en) | 2015-07-09 | 2015-07-09 | Round and square pipe transition joint and three-dimensional modeling method thereof |
| PCT/CN2016/088765 WO2017005189A1 (en) | 2015-07-09 | 2016-07-06 | Transition node for circular and square tubes and 3d modeling method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510400252.8A CN105023293A (en) | 2015-07-09 | 2015-07-09 | Round and square pipe transition joint and three-dimensional modeling method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105023293A true CN105023293A (en) | 2015-11-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510400252.8A Pending CN105023293A (en) | 2015-07-09 | 2015-07-09 | Round and square pipe transition joint and three-dimensional modeling method thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105023293A (en) |
| WO (1) | WO2017005189A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017005189A1 (en) * | 2015-07-09 | 2017-01-12 | 中建钢构有限公司 | Transition node for circular and square tubes and 3d modeling method thereof |
| CN107355001A (en) * | 2017-07-25 | 2017-11-17 | 深圳市建筑设计研究总院有限公司 | Beam-to-column joint structure |
| CN112339930A (en) * | 2020-11-16 | 2021-02-09 | 江南造船(集团)有限责任公司 | Three-dimensional modeling and precision control method for ship stem steel casting |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11230444B2 (en) | 2019-09-24 | 2022-01-25 | GSI Brasil | Transition adapter for a material handling system |
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| US3527664A (en) * | 1968-07-01 | 1970-09-08 | Jesse R Hale | Membrane structural module having double ruled quadric surfaces |
| CN102172821A (en) * | 2011-03-21 | 2011-09-07 | 中国一冶集团有限公司 | Method for manufacturing adapting piece with round top and square bottom |
| CN201964069U (en) * | 2011-04-08 | 2011-09-07 | 浙江东南网架股份有限公司 | Transition node for round and square pipes |
| CN204385898U (en) * | 2014-11-13 | 2015-06-10 | 中建钢构有限公司 | A kind of circle side node component |
| CN204926191U (en) * | 2015-07-09 | 2015-12-30 | 中建钢构有限公司 | Circle side's pipe transition node |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2962138B2 (en) * | 1994-03-16 | 1999-10-12 | 日本鋼管株式会社 | Deformed column joint hardware |
| CN202812555U (en) * | 2012-08-01 | 2013-03-20 | 河南神州重型封头有限公司 | Butt joint with circular top and rectangular bottom |
| CN204358266U (en) * | 2014-12-18 | 2015-05-27 | 天津中际装备制造有限公司 | The hemispherical dome component of minor diameter round mouth |
| CN105155682A (en) * | 2015-07-09 | 2015-12-16 | 中建钢构有限公司 | Method for forming circular and square pipe transition joints |
| CN105023293A (en) * | 2015-07-09 | 2015-11-04 | 中建钢构有限公司 | Round and square pipe transition joint and three-dimensional modeling method thereof |
-
2015
- 2015-07-09 CN CN201510400252.8A patent/CN105023293A/en active Pending
-
2016
- 2016-07-06 WO PCT/CN2016/088765 patent/WO2017005189A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3527664A (en) * | 1968-07-01 | 1970-09-08 | Jesse R Hale | Membrane structural module having double ruled quadric surfaces |
| CN102172821A (en) * | 2011-03-21 | 2011-09-07 | 中国一冶集团有限公司 | Method for manufacturing adapting piece with round top and square bottom |
| CN201964069U (en) * | 2011-04-08 | 2011-09-07 | 浙江东南网架股份有限公司 | Transition node for round and square pipes |
| CN204385898U (en) * | 2014-11-13 | 2015-06-10 | 中建钢构有限公司 | A kind of circle side node component |
| CN204926191U (en) * | 2015-07-09 | 2015-12-30 | 中建钢构有限公司 | Circle side's pipe transition node |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017005189A1 (en) * | 2015-07-09 | 2017-01-12 | 中建钢构有限公司 | Transition node for circular and square tubes and 3d modeling method thereof |
| CN107355001A (en) * | 2017-07-25 | 2017-11-17 | 深圳市建筑设计研究总院有限公司 | Beam-to-column joint structure |
| CN112339930A (en) * | 2020-11-16 | 2021-02-09 | 江南造船(集团)有限责任公司 | Three-dimensional modeling and precision control method for ship stem steel casting |
| CN112339930B (en) * | 2020-11-16 | 2022-02-11 | 江南造船(集团)有限责任公司 | Three-dimensional modeling and precision control method for ship stem steel casting |
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| Publication number | Publication date |
|---|---|
| WO2017005189A1 (en) | 2017-01-12 |
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