CN115419172A - Combined connection node of composite truss string lower chord and manufacturing method thereof - Google Patents
Combined connection node of composite truss string lower chord and manufacturing method thereof Download PDFInfo
- Publication number
- CN115419172A CN115419172A CN202211205537.2A CN202211205537A CN115419172A CN 115419172 A CN115419172 A CN 115419172A CN 202211205537 A CN202211205537 A CN 202211205537A CN 115419172 A CN115419172 A CN 115419172A
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- truss
- lower chord
- clamp base
- cable
- composite
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- 239000002131 composite material Substances 0.000 title claims abstract description 20
- 238000004519 manufacturing process Methods 0.000 title claims description 8
- 150000001875 compounds Chemical class 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 abstract description 8
- 238000009434 installation Methods 0.000 abstract description 8
- 239000010959 steel Substances 0.000 abstract description 8
- 238000010276 construction Methods 0.000 abstract description 4
- 238000005452 bending Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Images
Classifications
-
- 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
- E04B1/342—Structures covering a large free area, whether open-sided or not, e.g. hangars, halls
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Rod-Shaped Construction Members (AREA)
Abstract
The utility model provides a composite connection node of compound truss string last quarter, including the cable, mounting fixture, truss last quarter and truss web member, cable and mounting fixture detachable connections, truss last quarter fixed connection is on mounting fixture, the rotation of truss web member is installed on mounting fixture, with the cable, truss last quarter, the connection of truss web member is on mounting fixture, be convenient for connect large-span structure node, the stability of steel construction system has been guaranteed, safety, and the truss web member can rotate relatively, the truss web member can rotate according to the demand, prevent the assembly difficulty that arouses because dimensional error, be convenient for satisfy job site's installation demand, and the installation effectiveness is improved.
Description
Technical Field
The invention belongs to the technical field of steel structures, and particularly relates to a combined connecting node of a composite truss string lower chord and a manufacturing method thereof.
Background
In recent years, with the improvement of the level of architectural design and the development of manufacturing equipment, the theoretical and technical research on novel space structures has been developed. The composite truss string structure consists of a steel truss with high bending rigidity and a high-strength inhaul cable, has the advantages of large structural span, small self weight, simple and light shape and the like, and is suitable for various large-span steel structure roof structures; the connecting node of the composite truss string plays a very important role in the structure.
Application number 2016206726806 discloses a crossing node for a string truss stay bar and a double-stay rope, which comprises an adjustable splint assembly, wherein the stay bar is arranged above the adjustable splint assembly, and two stay ropes distributed at intervals are arranged in the adjustable splint assembly; the structure of above-mentioned node is fixed relatively, can't adjust this node according to the steel construction of job site.
Disclosure of Invention
In order to overcome the defects, the invention aims to provide the combined connecting node of the lower chord of the composite truss string and the manufacturing method thereof.
In order to solve the technical problems, the invention adopts the technical scheme that,
the utility model provides a combination connection node of compound truss string lower chord, includes cable, mounting fixture, truss lower chord and truss web member, cable and mounting fixture detachable connection, truss lower chord fixed connection is on mounting fixture, and the truss web member rotates to be installed on mounting fixture.
As a preferable scheme of the invention, the fixing clamp comprises a clamp base and a clamping plate, the clamping plate is detachably arranged on the clamp base, and the inhaul cable is arranged between the clamp base and the clamping plate.
As a preferable scheme of the invention, a lower chord groove is formed on the lower end face of the clamp base, and the lower chord of the truss is fixedly arranged in the lower chord groove.
As a preferred scheme of the invention, the two sides of the lower chord groove are formed with the cable groove, and the clamping plate is detachably arranged on the cable groove.
As a preferred scheme of the invention, the lower end surface of the clamp base is arranged in a plane, the inhaul cable groove and the lower chord groove are formed in the plane, and the upper end surface of the clamp base is arranged in an arc shape.
According to a preferable scheme of the invention, the clamping plate is bent and formed with a cable groove, bolt holes are formed in two sides of the cable groove, fixing bolts are installed in the bolt holes, and the clamping plate is fixedly installed on the clamp base through the fixing bolts.
As a preferable scheme of the invention, the clamp base is fixedly connected with a connecting lug plate, and the truss web members are rotatably arranged on the connecting lug plate.
As a preferable scheme of the invention, the truss web member comprises a connecting plate and a web plate pipe, wherein a chamfer is formed on the web plate pipe, the web plate pipe is fixedly connected with the connecting plate through the chamfer, and the connecting plate is rotatably arranged on the connecting lug plate through a pin shaft.
As a preferred scheme of the invention, two groups of connecting lug plates are symmetrically connected to the clamp base, and the two groups of connecting lug plates are arranged in an inclined manner.
The manufacturing method of the combined connecting node of the lower chord of the composite truss string comprises the following steps,
firstly, prefabricating parts of the connection node;
step two, fixedly connecting the lower chord of the truss to the clamp base;
step three, installing the inhaul cable on the clamp base through the clamping cover plate;
and step four, rotatably mounting the truss web members on the connecting lug plates.
The invention has the advantages that (1) the stay cable, the truss lower chord and the truss web member are connected on the fixing clamp, thereby being convenient for connecting the nodes of the large-span structure and ensuring the stability and the safety of a steel structure system.
(2) The truss web member can rotate relative to the fixing clamp, can rotate according to the demand, prevents because the assembly difficulty that dimensional error arouses, is convenient for satisfy job site's installation demand, improves the installation effectiveness.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is an expanded schematic view of the present invention.
Reference numerals: the cable type steel truss structure comprises a cable 1, a fixing clamp 2, a clamp base 2-1, a clamping plate 2-2, a lower chord groove 2-3, a cable groove 2-4, a bolt hole 2-5, a fixing bolt 2-6, a connecting lug plate 2-7, a cable groove 2-8, a truss lower chord 3, a truss web member 4, a connecting plate 4-1, a web plate pipe 4-2, a chamfer 4-3 and a pin shaft 4-4.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
The utility model provides a combination connection node of compound truss string truss last quarter, including cable 1, mounting fixture 2, truss last quarter 3 and truss web member 4, cable 1 and mounting fixture 2 detachable connections, truss last quarter 3 fixed connection is on mounting fixture 2, truss web member 4 rotates and installs on mounting fixture 2, with cable 1, truss last quarter 3, truss web member 4 connects on mounting fixture 2, be convenient for connect large-span structure node, the stability of steel construction system has been guaranteed, safety, and truss web member 4 can rotate relatively, truss web member can rotate according to the demand, prevent the assembly difficulty that arouses because dimensional error, be convenient for satisfy the installation demand of job site, improve the installation effectiveness.
The fixing clamp 2 comprises a clamp base 2-1 and a clamping plate 2-2, the clamping plate 2-2 is detachably mounted on the clamp base 2-1, the inhaul cable 1 is mounted between the clamp base 2-1 and the clamping plate 2-2, the inhaul cable 1 is fixed on the clamp base 2-1 through the detachable clamping plate 2-2, the mounting positions of the fixing clamp 2 and the inhaul cable 1 can be adjusted according to actual requirements, and the influence of size errors on the link node is further reduced.
In some embodiments, in order to ensure the connection stability of the cable 1 and the fixing clamp 2, a cushion layer for increasing friction is arranged between the clamp base 2-1 and the clamping plate 2-2 to prevent the cable 1 and the fixing clamp 2 from sliding relatively after installation, preferably, a fixing nut is connected to the cable 1 and is abutted against the fixing clamp 2, so as to further prevent the cable 1 and the fixing clamp 2 from sliding relatively.
In order to facilitate the positioning welding of the truss lower chord 3, a lower chord groove 2-3 is formed on the lower end face of the clamp base 2-1, and the truss lower chord 3 is fixedly welded in the lower chord groove 2-3 through fusion welding.
In order to ensure the stress stability of the fixing clamp 2, cable grooves 2-4 are formed on two sides of a lower chord groove 2-3, a clamping plate 2-2 is detachably arranged on the cable grooves 2-4, and the cable 1 is fixed through the symmetrically arranged cable grooves 2-4, so that the fixing clamp 2 and the truss lower chord 3 are prevented from being twisted relatively, the two sides of the fixing clamp 2 are subjected to relatively balanced tension, and the stability of the clamp 2 is ensured.
The lower end surface of the clamp base 2-1 is arranged in a plane, the inhaul cable groove 2-4 and the lower chord groove 2-3 are formed in the plane, so that the clamp base 2-1 can be conveniently processed, and the clamping plate 2-2 and the truss lower chord 3 can be conveniently fixed on the lower end surface of the clamp base 2-1; the upper end surface of the clamp base 2-1 is arranged in an arc shape, so that the connecting lug plates 2-7 are ensured to be relatively vertically arranged on the clamp base 2-1, and the connection stability of the connecting lug plates 2-7 is improved.
In order to prevent the clamping plate 2-2 from interfering with the inhaul cable, an inhaul cable groove 2-8 is formed in the clamping plate 2-2 in a bending mode, bolt holes 2-5 are formed in the two sides of the inhaul cable groove 2-8, fixing bolts 2-6 are installed in the bolt holes 2-5, and the clamping plate 2-2 is fixedly installed on the clamp base 2-1 through the fixing bolts 2-6.
In order to install the truss web members 4 conveniently, the clamp base 2-1 is fixedly connected with connecting lug plates 2-7, and the truss web members 4 are rotatably installed on the connecting lug plates 2-7 through pin shafts 4-4.
In this embodiment, in order to ensure the connection stability of the truss web members 4, the connection lug plates 2 to 7 are arranged in pairs, and the truss web members 4 are installed between the adjacent connection lug plates 2 to 7.
The truss web member 4 comprises a connecting plate 4-1 and a web plate pipe 4-2, a chamfer surface 4-3 is formed on the web plate pipe 4-2, the web plate pipe 4-2 is fixedly connected with the connecting plate 4-1 through the chamfer surface 4-3, the connecting area between the connecting plate 4-1 and the web plate pipe 4-2 is increased through the arrangement of the chamfer surface 4-3, the integral strength of the truss web member 4 is improved, and the connecting plate 4-1 is rotatably arranged between adjacent connecting lug plates 2-7 through a pin shaft 4-4.
Two groups of connecting lug plates 2-7 are symmetrically connected to the clamp base 2-1, and the two groups of connecting lug plates 2-7 are arranged in an inclined mode, so that after the adjacent truss web members 4 rotate by the same angle, the included angle between the adjacent truss web members 4 changes, and different construction and installation requirements can be met conveniently.
The manufacturing method of the combined connecting node of the lower chord of the composite truss string comprises the following steps,
firstly, prefabricating parts of the connection node;
step two, fixedly connecting the truss lower chord 3 to the clamp base 2-1;
step three, installing the inhaul cable 1 on the clamp base 2-1 through the clamping cover plate;
and step four, rotatably mounting the truss web members 4 on the connecting lug plates 2-7.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention; thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Although the terms corresponding to the reference numerals in the figures are used more herein, the possibility of using other terms is not excluded; these terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (10)
1. The utility model provides a combination connection node of compound truss string last quarter, its characterized in that includes cable (1), mounting fixture (2), truss last quarter (3) and truss web member (4), cable (1) and mounting fixture (2) detachable connections, truss last quarter (3) fixed connection on mounting fixture (2), truss web member (4) rotate to be installed on mounting fixture (2).
2. A combined connecting node of a composite truss string lower chord according to claim 1, characterized in that the fixing clamp (2) comprises a clamp base (2-1) and a clamping plate (2-2), the clamping plate (2-2) is detachably mounted on the clamp base (2-1), and the pulling cable (1) is mounted between the clamp base (2-1) and the clamping plate (2-2).
3. A composite connection node of a composite truss string lower chord according to claim 2, characterized in that the lower end surface of the clamp base (2-1) is formed with a lower chord groove (2-3), and the truss lower chord (3) is fixedly arranged in the lower chord groove (2-3).
4. A combined connecting node of a composite truss string lower chord according to claim 3, characterized in that the two sides of the lower chord groove (2-3) are formed with cable grooves (2-4), and the clamping plates (2-2) are detachably mounted on the cable grooves (2-4).
5. A combined connection node of a composite truss string lower chord according to claim 4, characterized in that the lower end surface of the clamp base (2-1) is arranged in a plane, the guy cable groove (2-4) and the lower chord groove (2-3) are formed in the plane, and the upper end surface of the clamp base (2-1) is arranged in an arc shape.
6. A combined connecting node of a composite truss string lower chord according to claim 2, characterized in that the clamping plate (2-2) is bent to form a guy cable groove (2-8), bolt holes (2-5) are formed on two sides of the guy cable groove (2-8), fixing bolts (2-6) are installed in the bolt holes (2-5), and the clamping plate (2-2) is fixedly installed on the clamp base (2-1) through the fixing bolts (2-6).
7. A composite connection node of a composite truss string lower chord according to claim 2, characterized in that the clamp base (2-1) is fixedly connected with a connection ear plate (2-7), and the truss web members (4) are rotatably mounted on the connection ear plate (2-7).
8. A combined connecting node of a composite truss string lower chord according to claim 7, characterized in that the truss web member (4) comprises a connecting plate (4-1) and a web pipe (4-2), the web pipe (4-2) is formed with a chamfer (4-3), the web pipe (4-2) is fixedly connected with the connecting plate (4-1) through the chamfer (4-3), and the connecting plate (4-1) is rotatably mounted on the connecting ear plate (2-7) through a pin shaft (4-4).
9. A combined connecting node of a composite truss string lower chord according to claim 7, characterized in that two groups of connecting ear plates (2-7) are symmetrically connected to the clamp base (2-1), and the two groups of connecting ear plates (2-7) are mutually obliquely arranged.
10. A method for manufacturing a combined connecting node of a composite truss-string lower chord according to any one of the claims 1-9, which comprises the following steps,
firstly, prefabricating parts of the connection node;
step two, fixedly connecting the truss lower chord (3) to the clamp base (2-1);
step three, installing the inhaul cable (1) on the clamp base (2-1) through the clamping cover plate;
fourthly, the truss web members (4) are rotatably arranged on the connecting lug plates (2-7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211205537.2A CN115419172A (en) | 2022-09-30 | 2022-09-30 | Combined connection node of composite truss string lower chord and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211205537.2A CN115419172A (en) | 2022-09-30 | 2022-09-30 | Combined connection node of composite truss string lower chord and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115419172A true CN115419172A (en) | 2022-12-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211205537.2A Withdrawn CN115419172A (en) | 2022-09-30 | 2022-09-30 | Combined connection node of composite truss string lower chord and manufacturing method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN115419172A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4247218A (en) * | 1978-02-17 | 1981-01-27 | Jeannin Jean Louis | Joint for three-dimensional framed structures |
| CN203096946U (en) * | 2013-01-23 | 2013-07-31 | 北京工业大学 | Angle-adjustable continuous cable intersecting node |
| CN106088360A (en) * | 2016-07-08 | 2016-11-09 | 中国航空规划设计研究总院有限公司 | A kind of large span two-tube lower edge of list truss structure connects node and truss structure |
| CN205839996U (en) * | 2016-06-30 | 2016-12-28 | 浙江东南网架股份有限公司 | For truss string strut and double drag-line crossover nodes |
| CN110158834A (en) * | 2019-05-07 | 2019-08-23 | 天津大学 | The centripetal double rustling sounds in lower part for beam-string structure support joint system |
| CN217711126U (en) * | 2022-03-29 | 2022-11-01 | 广东省建筑设计研究院有限公司 | Tension-compression double-control external double-cable clamp node |
-
2022
- 2022-09-30 CN CN202211205537.2A patent/CN115419172A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4247218A (en) * | 1978-02-17 | 1981-01-27 | Jeannin Jean Louis | Joint for three-dimensional framed structures |
| CN203096946U (en) * | 2013-01-23 | 2013-07-31 | 北京工业大学 | Angle-adjustable continuous cable intersecting node |
| CN205839996U (en) * | 2016-06-30 | 2016-12-28 | 浙江东南网架股份有限公司 | For truss string strut and double drag-line crossover nodes |
| CN106088360A (en) * | 2016-07-08 | 2016-11-09 | 中国航空规划设计研究总院有限公司 | A kind of large span two-tube lower edge of list truss structure connects node and truss structure |
| CN110158834A (en) * | 2019-05-07 | 2019-08-23 | 天津大学 | The centripetal double rustling sounds in lower part for beam-string structure support joint system |
| CN217711126U (en) * | 2022-03-29 | 2022-11-01 | 广东省建筑设计研究院有限公司 | Tension-compression double-control external double-cable clamp node |
Non-Patent Citations (1)
| Title |
|---|
| 陈峰;范玉峰;张军辉;李键;: "中国西部国际博览城新型大跨度预应力梭形桁架施工技术", 钢结构, no. 07 * |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20221202 |
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| WW01 | Invention patent application withdrawn after publication |