CN201785938U - Chord-inserted type plate gusset aluminium alloy truss - Google Patents
Chord-inserted type plate gusset aluminium alloy truss Download PDFInfo
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- CN201785938U CN201785938U CN2010205373782U CN201020537378U CN201785938U CN 201785938 U CN201785938 U CN 201785938U CN 2010205373782 U CN2010205373782 U CN 2010205373782U CN 201020537378 U CN201020537378 U CN 201020537378U CN 201785938 U CN201785938 U CN 201785938U
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Abstract
A chord-inserted type plate gusset aluminium alloy truss includes a gusset plate, and a web member and a chord member of the aluminium alloy truss, which are connected with the gusset plate, the gusset plate is provided with two grooves, wherein one groove allows the chord member to be inserted and connected and the other groove allows the web member to be inserted and connected. The chord member is connected with the gusset plate by a bolt or a rivet and the web member is connected with the gusset plate by the bolt or the rivet, accordingly, the gusset plate is respectively connected with the aluminium alloy member in horizontal, vertical and oblique directions and an aluminium alloy truss system with reasonable bearing, reliable structure and convenience in design and construction is obtained. The aluminium alloy truss with a simple structure is reliable in connection and convenient for construction.
Description
Technical field
The utility model relates to a kind of truss (truss), is civil engineering, housing project, bridge engineering building field a kind of structural system commonly used.
Background technology
Truss (truss) claims trussed construction (Truss structure) again, refers to girder truss, is a kind of girder structure of latticeization, and trussed construction is usually used in the public buildings such as factory building, exhibition hall, sports palace and bridge of large span.We have steel truss, reinforced concrete truss, prestressed concrete truss, timber truss, steel and wooden composite roof truss, steel and concrete composite roof truss by frequent being seen truss.Truss has triangular truss, parallel chord truss, polygonal truss, parallel chord truss by the profile branch, arch truss and Vierendeel truss.When selecting truss form, should take all factors into consideration purposes, material, support pattern and the execution conditions of truss, satisfying under the prerequisite of instructions for use, make every effort to make and install the used material and the amount of labour for minimum.Traditional truss made from steel, its node is pad or riveting point mostly, steel grid structure has bolt sphere node and solder sphere node, intensity generally is not affected, if but when adopting aluminium alloys to make truss, the aluminium alloys welding is not easy, however aluminium alloys trussed construction as far as we know, and the node that connects rod member also all is the welded joint processing method of imitative steel truss structure.For the aluminium alloys trussed construction, there is following point in welded joint:
(1) solder technology of aluminium alloys requires height, and difficulty is big.
(2) there is the defective that the heat affected zone strength of materials reduces in welding aluminum alloy.
(3) be not easy to the batch production processing, be not easy to site operation.
In order to solve the problem that the aluminium alloys truss exists, someone has carried out some researchs, as Chinese patent, title: aluminium alloy structure frame connecting structure, application (patent) number: CN200720169866.0, application (patent right) people, Zhu Guizhou, address: 1 unit 501, No. 7 building of No. 15 ocean landscape, DeShengMen West Street, Haidian District, BeiJing City, invention (design) people: Zhu Guizhou, summary: a kind ofly be used to build exhibition, the aluminium alloy structure frame connecting structure in fields such as commercial bazaar sale and meeting stage, it comprises: connector, connect steel disc, the multidiameter of the ladder hole of truss termination is run through in the truss termination, the butt end of multidiameter has external screw thread, the aperture that the thin end of multidiameter stretches out in the ladder hole of truss termination is fixedlyed connected with one handle, is arranged with spring on the thin end of multidiameter, and the two ends of spring are holding the aperture sidewall of the ladder hole of the butt end sidewall of multidiameter and truss termination respectively; Rod member; Four rod members and two truss terminations connect into a truss by screw; Six connectors are by connecting the node that steel disc and pin are connected to form structural frame, and the truss termination of truss is relative with the connector of node and be connected by multidiameter.
The Wu Baoling of Beijing Municipal Engineering Research Academy, Beijing Highways Department, Fang Ping, Zhang Aijiang are at " calculating of certain all aluminium alloy pedestrian overcrossing and load analysis " [municipal technology .2009,27 (2) .-112-115] by certain all aluminium alloy structure pedestrian overcrossing is carried out the simplification and the supposition of mechanical model and fringe conditions, set up FEM (finite element) model and it is carried out mechanical calculation and theory analysis; After comparing with experimental data, checking computations and test verification conclusion are proposed and under serviceability limit state homogeneous temperature field to the conclusions such as influence of such bridge.And carried out simple discussion with regard to bridge selection reasonability and structure applicability.According to the analysis to design drawing and bridge entity structure, the Path of Force Transfer of this overline bridge master bridge truss structure is for walking the horizontal purlin of guidance tape sheet one vertical main truss sheet one bearing in the literary composition.Overline bridge is formed rod member and is all interconnected with bolt by gusset plate, and node is by affixed design.Node test shows that also Deformation Member is out of shape much larger than node, in the process of the test, and rod member and the basic no change of gusset plate angle in the plane.Therefore.Calculate the time and press affixed consideration.Because two secondary bridges of thing of overline bridge and the elevator that connects with main bridging, step ladder etc. all have separately independently supporting system, all disconnect with the shrinkage joint with main bridge junction.So do not consider of the influence of secondary bridge when setting up model, think that main bridge is an independent structures to main bridge.
Above-mentioned disclosed aluminum alloy junction framework is mainly used in exhibition, meeting stage, its structure can not be used for large-scale civil engineering, housing project, bridge engineering, simultaneous weak point is that structure is complicated, propose the truss termination as document 1 and need multidiameter, multidiameter need be established external screw thread and spring, the joint will connect steel disc, and making is all very difficult with construction, has so just increased manufacturing cost.Document 2 is mentioned by gusset plate and being interconnected with bolt, but the structure of gusset plate is unexposed.
Summary of the invention
The purpose of this utility model provides a kind of aluminium alloys truss that connects reliable, simple in structure, making and easy construction.
In order to realize the purpose of this utility model, the inventor analyzes trussed construction is stressed, designs and tested multiple truss node, has finally determined to plant rod-type compaction point aluminium alloys truss, and try out roof structure in certain building, stood the test of strong wind and heavy rain over the past half year.
The technical solution of the utility model is as follows:
Plant rod-type compaction point aluminium alloys truss and comprise gusset and the truss diagonal web member that is attached thereto, perpendicular web member and chord member, diagonal web member and perpendicular web member general designation web member.Be characterized in: have the twice groove on the gusset, wherein a groove is implanted for chord member and is connected, and is called the chord member groove; A groove is implanted for web member and is connected in addition, is called the web member groove.Chord member is fastening with gusset by bolt or rivet (bolt), and web member is also fastening with gusset by bolt or rivet (bolt).
The twice groove chord member groove of described gusset (1) is parallel or not parallel with the web member groove, that is to say, the any orientation angle of rod member intersects at the truss web of a node and its orientation angle of chord member and determines, no matter but all can be implanted in the respective grooves easily and in addition fastening by the truss design scheme.After rod member and gusset were fastening, the groove internal pore was filled up with inserts.
Above-described gusset is the metal sheet of homogeneous thickness, or the thin stamped plate in thick one side, one side, when on one side the thin stamped plate in thick one side mainly is the sports palace of considering to build large-scale building member, bridge, airport, can alleviates construction weight and save the part material.Described metal sheet or stamped plate be the enough non-metal boards of aluminium alloy plate, steel plate, ferroalloy plate, copper alloy plate or intensity for example: aluminium-plastic panel, plastics etc. because whole trussed construction is an aluminium alloys, so the preferred aluminium alloy plate of gusset.
Above-described bolt or rivet are stainless steel bolt or rivet or aluminium alloys bolt or rivet, and web member and chord member can be fixed with some bolts or rivet.
Described inserts adopts plastics, plank, foam or other inserts to fill up, polystyrene foam for example, and phenol formaldehyde foam PLASTIC LAMINATED, high temperature foam sponge etc. are mainly filled the tankful internal pore and get final product.
The rod-type compaction point aluminium alloys truss of planting described in the utility model can be directly by foundation support, perhaps with other member supportings such as pillar or beams.The member of supporting can be steel work, reinforced concrete structure, aluminium alloy structure or other combination construction.
The utility model compared with prior art, its outstanding substantive distinguishing features and obvious improvement is:
1, aluminium alloys truss of the present utility model is made of gusset, web member and chord member, adopts and to plant bar type structure, that is: chord member inserts in the chord member groove of gusset, and fastening with bolt or rivet and gusset; Web member is implanted in the web member groove of gusset, also fastening with bolt or rivet and gusset, make gusset all connect the aluminium alloys rod member in horizontal, vertical, oblique several directions, obtain stressed rationally, reliable in structure is convenient to the aluminium alloys truss system that designs, makes and construct.
2, aluminum alloy materials light weight (be steel 1/3rd), high-strength (six is that the physical and mechanical property of aluminium is near the Q235 of construction steel), efficiency of preservation height (be steel 4～6 times), good moldability (being that other metal is not comparable) is the environment protection architecture metal that can regenerate.
3, trussed construction is stressed clear, and is rational in infrastructure, saves material, and span is changeable, is widely used in building engineering fields such as stadiums, industrial premises, bridge engineering.Research and analyse proof, trussed construction is a kind of desirable carrier structure system that aluminum alloy materials is applied to construction work.Planting the truss compaction point of rod-type, avoided the defective of welding aluminum alloy, is the innovation and the breakthrough of aluminium alloys trussed construction, will make the use of aluminium alloy structure and popularization become possibility.
4, plant rod-type compaction point aluminium alloys truss, its all rod members and compaction point all are to have made full use of the aluminium alloys good moldability, characteristic easy to process, extruding or punching press are made, rod member, compaction point can standardize, standardization, can realize factory mass production, then on-site consolidation.Making is all very convenient with construction, and quality is also guaranteed.
5, plant rod-type compaction point aluminium alloys truss and make things convenient for computer program to carry out internal force analysis and structure design, go out operation drawing and installation drawing up to CAD.
6, plant the node processing difficult problem that the rod-type compaction point has solved the aluminium alloys truss, make designing program of aluminium alloys trussed construction again simultaneously, batch production is made in rod member and node standardization, the construction assembly unitization.Better improved workmanship.
Description of drawings
Fig. 1 is the overall structure enforcement figure that plants rod-type compaction point aluminium alloys truss.
Fig. 2 structural representation that to be gusset be connected with chord member with diagonal web member, perpendicular web member.
Fig. 3 is that the A of Fig. 2 is to view.
Fig. 4 is the real schematic diagram of the structure of embodiment 1 (warehouse triangular truss).
Fig. 5 is the real schematic diagram of the structure of embodiment 2 (factory building is striden parallel chord truss for 24 meters).
Parts sequence number and title among the figure: 1, gusset; 2, bolt or rivet; 3, diagonal web member; 4, perpendicular web member; 5, chord member
Below in conjunction with accompanying drawing the utility model is further described:
See that from Fig. 1 all rod members of truss and node are all made of aluminum alloy materials, the truss of making can be used for the public buildings such as factory building, exhibition center, gymnasium and bridge of large span.
From Fig. 2 and Fig. 3, see, have the twice groove on the aluminum alloy materials gusset 1, implant for the rod member of aluminium alloy truss. Diagonal web member 3, perpendicular web member 4 and chord member 5 usefulness stainless steels or aluminium alloy bolt 2 are fastening with rod member and gusset 1. Truss member section size and length dimension, the diameter of the thickness of compaction point and stainless steel or aluminium alloy bolt etc. carry out Internal Force of Truss analysis and structural design decision by the professional designer.
See that from Fig. 3 gusset 1 is the thin stamped plate in thick one side, one side, one side chord member 5 usefulness bolts or rivet 2 and 1 thick being connected of profiled metal gusset, one side thin being connected with diagonal web member 3, perpendicular web member 4 with bolt or rivet 2.
Below be embodiment of the present utility model:
Embodiment one: coastal certain the raw material silo triangular truss in south, span 24m, rise 2.8m (see figure 4).
Scheme 1: the former steel pipe welded truss that is designed to Q235B, every Pin steel using amount is 713kg, by 5000 yuan per ton, every truss structure cost is 3565 yuan.
Scheme 2: use 6 line aluminium alloy material manufacturings instead, plant rod-type compaction point aluminium alloys truss, every Pin materials 269kg, by 22000 yuan per ton, 5918 yuan of every Pin costs.
Embodiment two: certain factory building is striden parallel chord truss for 24 meters, rise 2.80m (see figure 5).
Scheme 1:Q235B shaped steel welded truss, every Pin steel using amount is 879kg, by 5000 yuan per ton, every Pin cost is 4395 yuan.
Scheme 2: use six line aluminium alloy material manufacturings instead, plant rod-type compaction point aluminium alloys truss, every Pin materials 300kg, by 22000 yuan per ton, 6600 yuan of every Pin costs.
Find out from above embodiment, though the every Pin cost of aluminium alloys truss than steel truss height, yet its every Pin weight only is about 30% of steel truss.Alleviated the deadweight of building greatly, to the pillar and the basic economical with materials of lattice, it is very favourable to reduce construction costs, has also further improved the anti-seismic performance of structure simultaneously.
Aluminum alloy materials anti-corrosive properties, durability are that other metals such as steel are incomparable.Detection was done by relevant department, and the thickness that aluminium loses because of corrosion every year is 0.5 micron, and through 50 microns of losses after the atmospheric corrosion in 100 years, promptly 0.05mm is inappreciable.Aluminum alloy materials almost need not safeguard all the life, the engineering that is that a life of a hundred years.Above-mentioned example calculates steel truss (by 25 year service life) 175.8 yuan of costs every year on average by annual cost, and also will drop into a no small maintenance cost every year.And aluminium alloys trussed construction (by 60 year service life) 110 yuan of costs every year on average need not drop into maintenance cost again, and overall economic efficiency also is fairly obvious.
The aluminium alloy structure engineering is attractive in appearance beautiful, has improved the grade of building greatly, has improved people and has lived and working environment.
The node structure of aluminium alloys truss is to solve the key technology that the aluminium alloys truss designs, makes, constructs and applies, the purpose of this utility model is exactly the loading characteristic of characteristics such as, good looking appearance high-strength according to the material light weight of aluminium alloys, not perishable and good moldability and trussed construction, create a kind of aluminium alloys truss node of giving full play to these two characteristics, it is stressed reasonable to obtain, reliable in structure, be convenient to the aluminium alloys truss system that designs, make and construct, apply aluminium alloy structure for field of civil engineering and create conditions.
Claims (5)
1. plant rod-type compaction point aluminium alloys truss, comprise gusset and the aluminium alloys truss web and the chord member that are attached thereto, it is characterized in that: gusset has the twice groove on (1), and wherein a groove is implanted for chord member (5) and connected, and is called the chord member groove; A groove is implanted for web member (3), (4) and is connected in addition, is called the web member groove; Chord member (5) is connected with gusset (1) by bolt or rivet (2), and web member (3), (4) also are connected with gusset (1) by bolt or rivet (2).
2. the rod-type compaction point aluminium alloys truss of planting according to claim 1, it is characterized in that: the twice groove chord member groove of described gusset (1) is parallel or not parallel with the web member groove, no matter and how its orientation angle of rod member that intersects at this node can both be implanted in the respective grooves easily and be fixed, after rod member and gusset were fastening, the groove internal pore was filled up with inserts.
3. the rod-type compaction point aluminium alloys truss of planting according to claim 1, it is characterized in that: described gusset (1) is the metal sheet of homogeneous thickness, or the thin stamped plate in thick one side, one side; Described metal sheet is aluminium alloy plate, steel plate, ferroalloy plate, copper alloy plate or the enough non-metal boards of intensity.
4. the rod-type compaction point aluminium alloys truss of planting according to claim 1 is characterized in that: bolt or rivet are stainless steel bolt or rivet or aluminium alloys bolt or rivet, and web member and chord member are fixed with some bolts or rivet and gusset.
5. the rod-type compaction point aluminium alloys truss of planting according to claim 1, it is characterized in that: the described rod-type compaction point aluminium alloys truss of planting is directly by foundation support, perhaps with other member supportings such as pillar or beams, the member of supporting is steel work, reinforced concrete structure, aluminium alloy structure or other combination construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205373782U CN201785938U (en) | 2010-09-21 | 2010-09-21 | Chord-inserted type plate gusset aluminium alloy truss |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205373782U CN201785938U (en) | 2010-09-21 | 2010-09-21 | Chord-inserted type plate gusset aluminium alloy truss |
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| Publication Number | Publication Date |
|---|---|
| CN201785938U true CN201785938U (en) | 2011-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010205373782U Expired - Fee Related CN201785938U (en) | 2010-09-21 | 2010-09-21 | Chord-inserted type plate gusset aluminium alloy truss |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101949170A (en) * | 2010-09-21 | 2011-01-19 | 林娟 | Member-insertion type aluminum-alloy truss structure with plate gussets |
| WO2012037773A1 (en) * | 2010-09-21 | 2012-03-29 | Lin Juan | Aluminum alloy linkage rod system structure having structural nodes |
| CN103590318A (en) * | 2013-11-22 | 2014-02-19 | 龙口丛林中德车体***工程有限公司 | Aluminum alloy reinforcing structure for escalator hanging carrying portion of overhead bridge |
-
2010
- 2010-09-21 CN CN2010205373782U patent/CN201785938U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101949170A (en) * | 2010-09-21 | 2011-01-19 | 林娟 | Member-insertion type aluminum-alloy truss structure with plate gussets |
| WO2012037773A1 (en) * | 2010-09-21 | 2012-03-29 | Lin Juan | Aluminum alloy linkage rod system structure having structural nodes |
| CN103590318A (en) * | 2013-11-22 | 2014-02-19 | 龙口丛林中德车体***工程有限公司 | Aluminum alloy reinforcing structure for escalator hanging carrying portion of overhead bridge |
| CN103590318B (en) * | 2013-11-22 | 2015-09-02 | 龙口丛林中德车体***工程有限公司 | A kind of reinforcement structure of the unsettled lift-launch position of aluminium alloys overline bridge elevator |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110406 Termination date: 20160921 |
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| CF01 | Termination of patent right due to non-payment of annual fee |