CN205531009U - Concatenation formula large -span steel truss - Google Patents
Concatenation formula large -span steel truss Download PDFInfo
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- CN205531009U CN205531009U CN201620055104.7U CN201620055104U CN205531009U CN 205531009 U CN205531009 U CN 205531009U CN 201620055104 U CN201620055104 U CN 201620055104U CN 205531009 U CN205531009 U CN 205531009U
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- lower edge
- joint
- wind
- limit
- steel truss
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Abstract
The utility model discloses a concatenation formula large -span steel truss, it is winded up in, by interior last quarter, limit last quarter, cross festival, edge string, web member and the cardboard is constituteed. The limit last quarter is located both ends, and interior last quarter is located wherein, splices into the last quarter through the joint between the component. The edge string is located both ends to wind up in, and is located wherein, splices to become to wind up through the joint between the component. The same and parallel relative last quarter of length, settle the cross festival between winding up, overhanging joint of cross festival respectively with last quarter, the butt joint of winding up. Concatenation between the above component adopts the cardboard to connect with the welding, and the strength of joint is high, and is safe secure. Be the parts before the concatenation formula large -span steel truss installation, single small, the light in weight of component, the tower crane of convenient to use job site outfit is executed and is hung, has accomplished to install in the engineering this type of component obstacle that does not rise.
Description
Technical field
This utility model relates to the hardware of a kind of frame structure, and specifically, this utility model relates to a kind of steel truss, the spliced large span steel truss of the conventional tower crane vertical lifting that a kind of job site easy to use is equipped with.
Background technology
Building is big because of construction area, and the steel roof truss span being positioned at top layer is big, Heavy Weight.Some buildings are considered natural lighting in engineering design and alleviate the factor of top layer deadweight, frequently with steel truss as top layer room beam.Understanding steel truss from metal structure and belong to a kind of lightweight construction part, however the conduct oneself with dignity steel truss of still tuple ten tons, such as 38 meters of spans of every door frame longspan steel truss girder is conducted oneself with dignity 37 tons.70 meters of termination maximum crane capacities of the tower crane of building engineering construction situ configuration only about 3.5 tons, it is not possible to carry integrally-built large span steel truss.If the lifting of large-scale lifting appliance please be used specialized company, large span steel truss volume because being hung is big, Heavy Weight, attainable sling height is the most limited, generally height can accomplish safe lifting within 50 meters, surpass 50 meters of lifting difficulty to increase therewith, and safety is remarkably decreased, hoisting cost the most significantly strengthens.At present, in engineering vertical lifting large span steel truss surpass hundred meters almost without precedent.Along with the development of society, the building that city is built and the superelevation of some foundation engineerings such as special industry, national defence construction, extra huge building get more and more., building industry is restricted by vertical lifting equipment crane capacity deficiency for a long time, is difficult to undertake the construction of this type of engineering at leisure.
Utility model content
This utility model is big mainly for integrally-built large span steel truss volume, the problem of Heavy Weight, vertical lifting inconvenience, a kind of spliced longspan steel truss girder is proposed, the steel truss of this structure uses tears zero manufacture open, and dispersion lifting, in object mounting position sequential concatenation molding.This utility model segmentation is reasonable, it is convenient to lift by crane, splicing is easy, connect reliable, construction safety, and the tower crane that job site can be utilized to be equipped with completely is executed and hung, and has accomplished that large span steel truss installation is not limited by building height.
This utility model is achieved through the following technical solutions technical goal.
Spliced large span steel truss, it is winded up by limit lower edge, interior lower edge, crossed joint, limit, web member, in wind up and clamp forms.Described interior lower edge and interior winding up are prone position K font hardware, and each part overhanging end is equipped with the joint of outer connection.It thes improvement is that: described limit lower edge is positioned at two ends, and the 2～5 interior lower edges saving coaxial sequential concatenation are located therein, and are spliced into lower edge by sideways, outwardly extending joint between component.Winding up and be positioned at two ends in described limit, winding up in the 2～5 coaxial sequential concatenation of joint is located therein, and is spliced into by sideways, outwardly extending joint and winds up between component.Length is identical and parallel relative lower edge, wind up between laterally crossed joint is equidistantly installed, the corresponding joints that the overhanging joint of crossed joint splices lower edge respectively, winds up, between two crossed joints, be provided with the web member being vertically arranged, the web member upper and lower side joint of direct rod shape respectively with wind up and lower edge docks.
As further improvement project, between each component connector of steel truss, one layer of clamp connected with high-strength bolt is respectively put in two sides, stitching portion, and clamp periphery is integrally welded with the joint plane of splicing.
As further improvement project, described limit lower edge is identical with beam string structure on limit, length is equal, installation site is contrary, and interior lower edge is also the component that structure is identical, length is equal, installation site is contrary with interior winding up.
As further improvement project, wind up limit for length 6～10 meters for described limit lower edge and limit, interior lower edge and interior limit for length 6～12 meters of winding up.
This utility model compared with prior art, has the positive effect that:
1, spliced large span steel truss is loose mail before installing, and single component volume is little, lightweight, it is simple to the tower crane using job site to be equipped with is executed and hung, and has accomplished that installing this class A of geometric unitA in engineering does not raise the obstacle of installation；
2, splicing construction is simple, and the splicing between component adds on the basis of high-strength bolt connects and is welded, and in work progress, splicing is convenient, it is reliable to connect, structural strength foot, safety are the most secure, is fully achieved integrally-built steel truss load bearing stength；
3, construction complementary conditions low, workmen and lifting appliance are not specially required, thus construct convenient, work efficiency is high, good economy performance.
Accompanying drawing explanation
Fig. 1 is this utility model structural plan schematic diagram.
Fig. 2 is lower edge structural plan, the limit schematic diagram in Fig. 1.
Fig. 3 is the interior lower edge structural plan schematic diagram in Fig. 1.
Fig. 4 is the crossed joint structural plan schematic diagram in Fig. 1.
Fig. 5 is to wind up structural plan schematic diagram in the limit in Fig. 1.
Wind up in Fig. 6 Fig. 1 structural plan schematic diagram.
Fig. 7 is the web member structural plan schematic diagram in Fig. 1.
Fig. 8 is the card board connecting structure floor map in Fig. 1.
Detailed description of the invention
Below according to accompanying drawing and in conjunction with the embodiments, the utility model is described in further detail.
Embodiment illustrated in fig. 1 is mounted in the spliced large span steel truss of 94.1 meters high Factory Building top layers, and its span 38 meters, every Pin weighs 37 tons.Because of original design be integrally-built rectangle truss, the small product size made is big, Heavy Weight, can not realize vertical lifting with the conventional lifting appliance of outfit at the construction field (site).In order to overcome difficulty large-scale, that super-heavy component winches to the installation of high plant top layer, abandon large span steel truss whole structural scheme, use a kind of spliced large span steel truss.The steel truss of this structure is loose mail in a pre-installation, so single component volume is little, lightweight, it is simple to the tower crane using job site to be equipped with is executed and hung.The scheme that this kind breaks the whole up into parts thoroughly overcomes the obstacle that large span steel truss high level is installed, and easily realizes high-quality, efficient, the purpose of safety installation.
Spliced large span steel truss, it is winded up 4 by interior lower edge 1, limit lower edge 2, crossed joint 3, limit, web member 5, in wind up 6 and clamp 7 form.Segmented design and the interior lower edge 1 of manufacture and interior winding up 6 are K font hardware, and each part overhanging end is equipped with the joint of outer connection.Because of the present embodiment span 38 meters, isometric lower edge and all employing merogenesis manufactures of winding up, wherein limit lower edge 2 winds up with limit, and 4 structures are identical, length is equal, installation site is contrary, and interior lower edge 16 is also the component that structure is identical, length is equal, installation site is contrary with interior winding up.In the present embodiment limit lower edge 2 and limit wind up 4 length be all 6 meters, interior lower edge 1 and interior wind up 6 length be all 6.5 meters.Described limit lower edge 2 is positioned at two ends, and the interior lower edge 1 that the 4 coaxial orders of joint are connected is located therein, and is spliced into lower edge by sideways, outwardly extending joint between component.Winding up and 4 be positioned at two ends in described limit, winding up in the 4 coaxial orders of joint are the most consecutive 6 is located therein, and is spliced into by sideways, outwardly extending joint and winds up between component.Parallel relative lower edge, wind up between laterally equidistantly dispose crossed joint 3, the overhanging joint of the crossed joint 3 that is vertically arranged respectively with lower edge, wind up and dock, between two crossed joints 3, be provided with the web member 5 being vertically arranged, the web member 5 upper and lower side joint of direct rod shape respectively with wind up and lower edge docks.In order to strengthen the connection between each component further, guarantee the intensity of spliced large span steel truss, spy respectively puts two sides, junction between each component joints one layer of clamp 7 connected with high-strength bolt, and clamp 7 periphery is integrally welded with the joint plane of splicing.
This utility model uses connection scheme design and the large span steel truss manufactured, merogenesis splicing construction is simple, joints between component adds and is welded on the basis of high-strength bolt connects, in work progress, splicing is convenient, it is reliable to connect, structural strength is big, safety is secure, is fully achieved integrally-built steel truss load bearing stength.
Claims (4)
1. a spliced large span steel truss, it is winded up (4) by interior lower edge (1), limit lower edge (2), crossed joint (3), limit, web member (5), in wind up (6) and clamp (7) forms；Described interior lower edge (1) and interior wind up (6) are prone position K font hardware, and each part overhanging end is equipped with the joint of outer connection；It is characterized in that: described limit lower edge (2) is positioned at two ends, the 2～5 interior lower edges (1) saving coaxial sequential concatenation are located therein, and are spliced into lower edge by sideways, outwardly extending joint between component；Described limit wind up (4) be positioned at two ends, 2～5 save in coaxial sequential concatenation wind up (6) is located therein, and is spliced into by sideways, outwardly extending joint and winds up between component；Length is identical and parallel relative lower edge, wind up between laterally crossed joint (3) is equidistantly installed, the corresponding joints that the overhanging joint of crossed joint (3) splices lower edge respectively, winds up, between two crossed joints (3), be provided with the web member (5) being vertically arranged, web member (5) the upper and lower side joint of direct rod shape respectively with wind up and lower edge docks.
Spliced large span steel truss the most according to claim 1, it is characterised in that: between each component connector of steel truss, one layer of clamp (7) connected with high-strength bolt is respectively put in two sides, stitching portion, and clamp (7) periphery is integrally welded with the joint plane of splicing.
Spliced large span steel truss the most according to claim 1, it is characterized in that: winding up with limit in described limit lower edge (2), (4) structure is identical, length is equal, installation site is contrary, interior lower edge (1) wind up with interior (6) be also the component that structure is identical, length is equal, installation site is contrary.
4. according to the spliced large span steel truss described in claim 1 or 3, it is characterised in that: wind up (4) limit for length 6～10 meters for described limit lower edge (2) and limit, interior lower edge (1) and interior (6) limit for length 6～12 meters of winding up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620055104.7U CN205531009U (en) | 2016-01-21 | 2016-01-21 | Concatenation formula large -span steel truss |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620055104.7U CN205531009U (en) | 2016-01-21 | 2016-01-21 | Concatenation formula large -span steel truss |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205531009U true CN205531009U (en) | 2016-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620055104.7U Expired - Fee Related CN205531009U (en) | 2016-01-21 | 2016-01-21 | Concatenation formula large -span steel truss |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205531009U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105544862A (en) * | 2016-01-21 | 2016-05-04 | 正太集团有限公司 | Splitting-type large-span steel truss |
| CN109458303A (en) * | 2018-12-27 | 2019-03-12 | 新疆金风科技股份有限公司 | Pylon and wind power generating set |
-
2016
- 2016-01-21 CN CN201620055104.7U patent/CN205531009U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105544862A (en) * | 2016-01-21 | 2016-05-04 | 正太集团有限公司 | Splitting-type large-span steel truss |
| CN109458303A (en) * | 2018-12-27 | 2019-03-12 | 新疆金风科技股份有限公司 | Pylon and wind power generating set |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160831 Termination date: 20200121 |