CN113323267B - Spatial bidirectional open-web truss structure system - Google Patents
Spatial bidirectional open-web truss structure system Download PDFInfo
- Publication number
- CN113323267B CN113323267B CN202110415588.7A CN202110415588A CN113323267B CN 113323267 B CN113323267 B CN 113323267B CN 202110415588 A CN202110415588 A CN 202110415588A CN 113323267 B CN113323267 B CN 113323267B
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- straight
- bar
- rod
- truss structure
- lower chord
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
- E04C3/08—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with apertured web, e.g. with a web consisting of bar-like components; Honeycomb girders
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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
- E04B7/00—Roofs; Roof construction with regard to insulation
- E04B7/02—Roofs; Roof construction with regard to insulation with plane sloping surfaces, e.g. saddle roofs
- E04B7/022—Roofs; Roof construction with regard to insulation with plane sloping surfaces, e.g. saddle roofs consisting of a plurality of parallel similar trusses or portal frames
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage; Sky-lights
- E04D13/04—Roof drainage; Drainage fittings in flat roofs, balconies or the like
- E04D13/0404—Drainage on the roof surface
Abstract
The application relates to a two-way empty stomach truss structure system in space belongs to the truss structure field, and it includes: the lower chords are arranged in parallel; a plurality of straight web members connected to the lower chords at both sides; the upper chord parallel to the lower chord is arranged on the plurality of straight web members in a penetrating mode, a first splicing piece is arranged at the joint of the lower chord and the straight web members, and a second splicing piece is arranged at the joint of the upper chord and the straight web members. The application provides a two-way vierendeel truss structure system in space, can splice the two-way vierendeel truss of formula and carry out preliminary overlap joint to the truss structure of roof, and the last roof truss after to the concatenation carries out unified welding again to effectively improve the efficiency of buildding of roof truss.
Description
Technical Field
The application relates to the field of truss structures, in particular to a spatial bidirectional open web truss structure system.
Background
In the construction of a roof, a truss structure is often used as a supporting framework for the whole roof. In modern buildings, the lighting capacity of the roof is also a factor that must be considered in the construction of the roof. Therefore, at present, the roof usually adopts a hollow truss, so as to avoid the influence of the diagonal rods in the truss on the lighting of the roof.
However, in the construction process of the existing roof, due to the large span of the trusses and the lack of the auxiliary fixing device, the trusses need to be welded while being lapped in the construction process of the roof trusses, so that the construction efficiency of the trusses is influenced, and inconvenience is brought to the construction of the roof.
Disclosure of Invention
In order to improve the building efficiency of the roof truss, the application provides a spatial bidirectional open-web truss structure system, the two-way open-web truss which can be spliced carries out preliminary lap joint on the truss structure of the roof, and finally, the spliced roof truss is uniformly welded, so that the building efficiency of the roof truss is effectively improved.
The application provides a spatial bidirectional open-web truss structure system, which adopts the following technical scheme:
a spatial bi-directional open web truss structure system comprising: the lower chords are arranged in parallel; a plurality of straight web members connected to the lower chords on both sides; the upper chord members parallel to the lower chord members penetrate through the plurality of straight web members, first splicing members are arranged at the joints of the lower chord members and the straight web members, and second splicing members are arranged at the joints of the upper chord members and the straight web members.
By adopting the technical scheme, the first splicing piece and the second splicing piece can assist in positioning the relative positions of the upper chord member, the lower chord member and the straight web member, so that the whole truss can be spliced before welding, and the construction efficiency of the truss is effectively improved.
Preferably, the straight web members comprise a first straight rod and a second straight rod, the first straight rod and the second straight rod are respectively arranged on the lower chords on two sides, one ends, far away from the lower chords, of the first straight rod and one ends, far away from the lower chords, of the second straight rod are attached in a staggered mode, and the upper chords penetrate through one ends, far away from the lower chords, of the first straight rod and one ends, far away from the lower chords, of the second straight rod.
Through adopting above-mentioned technical scheme, first straight-bar, second straight-bar and lower chord can constitute triangular structure to improve the holistic structural stability of truss.
Preferably, the first splicing element comprises: first positioning holes formed in two ends of the lower chord; and the positioning rods are arranged on two side walls of one side of the first straight rod and the second straight rod, which are far away from the upper chord and are matched with the positioning holes.
Through adopting above-mentioned technical scheme, the locating lever can insert first locating hole to cooperate the lower chord at straight web member and both ends, thereby carry out assistance-localization real-time to the position of straight web member and lower chord before the welding.
Preferably, a rubber pad is attached to the contact end of the positioning rod and the first positioning hole.
Through adopting above-mentioned technical scheme, the rubber pad can reduce the whole impact between lower chord and the locating lever when receiving the impact of truss to noise when reducing the whole use of truss.
Preferably, the second splicing element comprises: and the through holes penetrate through the side, away from the lower chord, of the first straight rod and the second straight rod, and are matched with the upper chord.
Through adopting above-mentioned technical scheme, the upper chord can wear to establish in the through-hole to the position to first straight-bar and second straight-bar is fixed a position.
Preferably, a sleeve block is arranged at the joint of the first straight rod, the second straight rod and the lower chord, the block diameter of the sleeve block is larger than the rod diameter of the first straight rod and the second straight rod, and the positioning rods are arranged at two ends of the sleeve block.
Through adopting above-mentioned technical scheme, the nest block can be consolidated straight web member and the junction of lower chord member to improve the holistic structural stability of truss.
Preferably, a connecting rod is sleeved between two ends of the lower chord on two sides, second positioning holes matched with the lower chord are formed in two ends of the connecting rod, and the two connecting rods are located on two sides of the straight web member respectively.
Through adopting above-mentioned technical scheme, the connecting rod can overlap on the lower chord through the second locating hole to further fix the lower chord of both sides.
Preferably, one end of the connecting rod is attached to the first straight rod or the second straight rod, a patch is arranged at the non-attachment end of the connecting rod, and the patch is attached to the second straight rod or the first straight rod.
Through adopting above-mentioned technical scheme, the filling up piece can make the both ends of connecting rod laminate with first straight-bar and second straight-bar simultaneously to be convenient for the connecting rod and weld mutually with first straight-bar and second straight-bar, and then go on further fixedly to the first straight-bar of tip and second straight-bar position.
Preferably, a preformed groove is annularly arranged at the opening of the through hole.
Through adopting above-mentioned technical scheme, the weld length of the weldable of upper chord member and straight web member junction when the reservation groove can increase the welding to improve the welding stability of straight web member and upper chord member.
Preferably, the outer walls of the first straight rod and the second straight rod are provided with water drainage grooves, the water drainage grooves extend along the side wall of the first straight rod and the second straight rod in the length direction, and one end, far away from the first straight rod or the second straight rod, of each water drainage groove extends along the outer wall of the sleeve block.
Through adopting above-mentioned technical scheme, the drain tank can arrange the rainwater to nest block department through the drain tank when external rainfall to reduce the rainwater of directly drippage from first straight-bar or second straight-bar department, improve the humidity resistance in house.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the lower chord can be spliced on two sides of the first straight rod or the second straight rod through the matching of the first positioning hole and the positioning rod, and meanwhile, the rubber pad on the positioning rod can reduce the vibration between the straight web member and the lower chord, so that the noise generated in the use process of the whole truss is reduced;
2. the upper chord can penetrate through the through holes formed in one ends of the first straight rod and the second straight rod, so that the positions of the first straight rod and the second straight rod are fixed, meanwhile, the length of the weldable weld joints of the upper chord, the first straight rod and the second straight rod can be increased through the reserved grooves on the peripheral sides of the through holes, and the structural stability of the connecting position of the upper chord and the straight web rod is further improved;
3. through the drainage channel on first straight-bar, second straight-bar and the nest block, when can making external rainwater drip on first straight-bar and second straight-bar, can follow drainage channel and flow to nest block department down, make the rainwater drip from the bottom of nest block to discharge the rainwater truss, with the direct condition of dripping in first straight-bar or second straight-bar department of rainwater that reduces, and then reduce the roof and make moist the condition of mildening and rot because of the rainwater.
Drawings
Fig. 1 is a schematic structural diagram of a spatial bidirectional hollow truss system in an embodiment of the present application.
Fig. 2 is a schematic view of the structure of a lower chord in the embodiment of the present application.
Fig. 3 is a schematic view of a first straight bar structure in an embodiment of the present application.
Fig. 4 is a schematic view of a connecting rod structure in the embodiment of the present application.
Description of reference numerals: 1. an upper chord; 2. a straight web member; 21. a first straight rod; 22. a second straight rod; 23. a water discharge tank; 24. a through hole; 25. reserving a groove; 26. sleeving a block; 27. positioning a rod; 271. a rubber pad; 3. a lower chord; 4. a connecting rod; 41. a second positioning hole; 42. and (5) block supplementing.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses a spatial bidirectional open web truss structure system.
Referring to fig. 1, a spatial bidirectional open-web truss structure system comprises an upper chord 1, a straight web member 2 and a lower chord member 3,
wherein, first locating holes are symmetrically arranged on two end surfaces of the lower chord 3.
Meanwhile, the web member 2 includes a first straight bar 21 and a second straight bar 22, the overall shapes of the first straight bar 21 and the second straight bar 22 are cuboids, and the shapes and the structures of the first straight bar 21 and the second straight bar 22 are completely the same, so only the structure of the first straight bar 21 will be described below.
Through-hole 24 has been seted up to the one end of first straight-bar 21, and through-hole 24 and upper chord 1 looks adaptation encircle at the opening part of through-hole 24 and are equipped with a plurality of preformed grooves 25, and in this embodiment, the quantity of preformed grooves 25 is 4, and the equidistant ring of 4 preformed grooves 25 is established at the opening part of through-hole 24.
After the first straight rod 21 is matched with the upper chord 1, the length of the contact side between the upper chord 1 and the first straight rod 21 is prolonged by the reserved groove 25, so that the weldable welding seam between the first straight rod 21 and the upper chord 1 is prolonged, and the fixing effect of the first straight rod 21 and the upper chord 1 is improved.
In addition, a cylindrical sleeve block 26 is fixed at the other end of the first straight rod 21, the block diameter of the sleeve block 26 is larger than that of the first straight rod 21, positioning rods 27 are symmetrically fixed at two ends of the sleeve block 26, the positioning rods 27 are matched with the first positioning holes, and rubber pads 271 are attached to insertion ends of the positioning rods 27.
The two ends of the first straight rod 21 can be connected to the two lower chords 3 through the positioning rods 27, so that the positions of the first straight rod 21, the second straight rod 22 and the lower chords 3 are positioned in an auxiliary manner, and the joint of the first straight rod 21 and the lower chords 3 is further reinforced through the sleeve block 26. Meanwhile, because the rubber pad 271 is attached to the positioning rod 27, when the whole truss generates vibration, the noise generated by the whole truss can be reduced through the damping effect of the rubber pad 271, and the shock resistance of the roof is effectively improved.
In this embodiment, the number of the lower chords 3 is 8, and a group of 8 lower chords 34 are distributed in parallel, so that 3 first straight rods 21 and 3 second straight rods 22 are connected to the lower chords 3 on two sides, one ends of the first straight rods 21 and the second straight rods 22 away from the lower chords 3 are attached in a staggered manner, and the through holes 24 of the first straight rods 21 and the second straight rods 22 are aligned.
The upper chord 1 is simultaneously arranged on the 3 through holes 24 in a penetrating manner, so that the positions of the three groups of first straight rods 21 and second straight rods 22 are positioned, the first straight rods 21, the second straight rods 22 and the lower chord 3 form a triangular structure, and the overall structural stability of the truss is improved.
Meanwhile, in order to further improve the structural stability of the two side lower chords 3, the connecting rods 4 are symmetrically sleeved at the two ends of the two side lower chords 3. Specifically, the number of the connecting rods 4 is 4, and the second positioning holes 41 matched with the lower chords 3 are formed in the two ends of a single connecting rod 4, so that the connecting rods can be sleeved on the lower chords 3 on the two sides, and the lower chords 3 on the two sides are further positioned.
In order to further position the first straight bar 21 and the second straight bar 22 by the connecting rod 4, one end of the connecting rod 4 is attached to the first straight bar 21 or the second straight bar 22, and since the first straight bar 21 and the second straight bar are attached to each other in a staggered manner, a gap is left between the other end of the connecting rod 4 and the second straight bar 22 or the first straight bar 21.
In order to solve the problem, a patch 42 is fixed at the non-attaching end of the connecting rod 4, and the patch 42 is attached to the second straight rod 22 or the first straight rod 21, so that the two ends of the connecting rod 4 are integrally attached to the straight web member 2, and the structural stability of the link rod after the straight web member 2 is welded is further improved.
In addition, in order to improve the overall water diversion capability of the truss, the side walls of the first straight rod 21 and the second straight rod 22 are provided with water drainage grooves 23, the water drainage grooves 23 are positioned on the upper side surfaces of the first straight rod 21 or the second straight rod 22, and the water drainage grooves 23 extend along the length direction of the first straight rod 21 or the second straight rod 22 until the water drainage grooves 23 surround the outer wall of the sleeve block 26 for a circle.
When the outside rains, the rainwater falling on the first straight rod 21 and the second straight rod 22 flows into the drainage groove 23 and flows down along the drainage groove 23 under the action of gravity until the rainwater flows to the sleeve block 26 and drops from the bottom of the sleeve block 26, so that the rainwater is prevented from directly dropping below the truss from the first straight rod 21 or the second straight rod 22, and the condition that the roof is wet and moldy due to water accumulation is reduced.
The implementation principle of a spatial bidirectional open-web truss structure system in the embodiment of the application is as follows:
the worker respectively arranges 3 first straight bars 21 and 3 second straight bars 22 on two sides of the roof, and enables one sides of the first straight bars 21 and the second straight bars 22, which are provided with the drainage grooves 23, to face upwards, then connects the lower chords 3 at the first positioning holes at two ends of the first straight bars 21 and the second straight bars 22, and enables the lower chords 3 to be matched with the adjacent first straight bars 21 or the adjacent second straight bars 22, so that the lower chords 3 on two sides are sequentially spliced on the first straight bars 21 or the second straight bars 22.
When the first straight bar 21 and the second straight bar 22 at the two ends are spliced, the connecting rod 4 is sleeved on the two sides of the first straight bar 21 and the second straight bar 22 at the end parts, and the patch 42 is abutted against the first straight bar 21 or the second straight bar 22, so that the two ends of the connecting rod 4 are abutted against the first straight bar 21 and the second straight bar 22 at the same time.
Subsequently, the worker aligns the first straight bars 21 on both sides with the through holes 24 of the second straight bars 22, and after the three sets of the first straight bars 21 are aligned with the through holes 24 of the second straight bars 22, the upper chord 1 is inserted into the 3 through holes 24.
After the whole truss is built, welding joints of the rod pieces and gaps where the reserved grooves 25 are connected with the upper chord 1, and accordingly completing the whole construction of the truss.
The above are all preferred embodiments of the present application, and the present embodiment is only explained for the present application, and the protection scope of the present application is not limited by this, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (6)
1. A spatial bi-directional open web truss structure system comprising: the lower chords (3) are arranged in parallel; a plurality of straight web members (2) connected to the lower chords (3) at two sides; many wear to be equipped with on straight web member (2) with last chord member (1) that lower chord member (3) parallels, its characterized in that, lower chord member (3) with the junction of straight web member (2) is provided with first concatenation piece, last chord member (1) with the junction of straight web member (2) is provided with the second concatenation piece, straight web member (2) include first straight-bar (21) and second straight-bar (22), first straight-bar (21) with second straight-bar (22) set up respectively in both sides on lower chord member (3), first straight-bar (21) with second straight-bar (22) are kept away from the one end dislocation laminating of lower chord member (3), wherein, last chord member (1) wears to establish first straight-bar (21) with second straight-bar (22) are kept away from the one end of lower chord member (3), first concatenation piece includes: first positioning holes formed in two ends of the lower chord (3); and the positioning rods (27) are arranged on two side walls of one side, away from the upper chord (1), of the first straight rod (21) and the second straight rod (22) and are matched with the first positioning holes, connecting rods (4) are sleeved between two ends of the lower chord (3) on two sides, second positioning holes (41) matched with the lower chord (3) are formed in two ends of each connecting rod (4), the two connecting rods (4) are located on two sides of the straight web member (2) respectively, one end of each connecting rod (4) is attached to the first straight rod (21) or the second straight rod (22), a patch block (42) is arranged at the non-attachment end of each connecting rod (4), and the patch block (42) is attached to the second straight rod (22) or the first straight rod (21).
2. A space bidirectional open web truss structure system as claimed in claim 1, wherein the contact end of the positioning rod (27) and the first positioning hole is attached with a rubber pad (271).
3. The spatial bi-directional lattice truss structure system of claim 1, wherein the second splicing member comprises: and the through hole (24) penetrates through the side, away from the lower chord (3), of the first straight rod (21) and the second straight rod (22), wherein the through hole (24) is matched with the upper chord (1).
4. A spatial bidirectional open web truss structure system as claimed in claim 1, wherein a sleeve block (26) is provided at the connection between the first straight bar (21) and the second straight bar (22) and the lower chord (3), the block diameter of the sleeve block (26) is larger than the bar diameters of the first straight bar (21) and the second straight bar (22), and the positioning rods (27) are provided at both ends of the sleeve block (26).
5. A spatial bidirectional open web truss structure system as claimed in claim 3, wherein the opening of the through hole (24) is surrounded by a pre-groove (25).
6. The spatial bidirectional open web truss structure system according to claim 4, wherein the outer walls of the first straight bar (21) and the second straight bar (22) are provided with drainage grooves (23), the drainage grooves (23) extend along the side walls of the first straight bar (21) and the second straight bar (22) in the length direction, and one end of the drainage groove (23) far away from the first straight bar (21) or the second straight bar (22) extends along the outer wall of the sleeve block (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110415588.7A CN113323267B (en) | 2021-04-19 | 2021-04-19 | Spatial bidirectional open-web truss structure system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110415588.7A CN113323267B (en) | 2021-04-19 | 2021-04-19 | Spatial bidirectional open-web truss structure system |
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| Publication Number | Publication Date |
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| CN113323267A CN113323267A (en) | 2021-08-31 |
| CN113323267B true CN113323267B (en) | 2022-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110415588.7A Active CN113323267B (en) | 2021-04-19 | 2021-04-19 | Spatial bidirectional open-web truss structure system |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2286961A1 (en) * | 1999-04-30 | 2000-10-30 | Donald M. Linsley | Truss assembly |
| JP2005163413A (en) * | 2003-12-03 | 2005-06-23 | Toru Takeuchi | Truss structure |
| CN201730318U (en) * | 2010-05-19 | 2011-02-02 | 山东德建集团有限公司 | Space assembly type adjustable formwork supporting truss |
| CN107190851A (en) * | 2017-07-12 | 2017-09-22 | 湖南科鑫电力设计有限公司 | Acute angle steel and the triangle space steel construction including the acute angle steel |
| CN206859512U (en) * | 2017-04-13 | 2018-01-09 | 中建钢构江苏有限公司 | A kind of binode complexity inverted triangle main couple |
-
2021
- 2021-04-19 CN CN202110415588.7A patent/CN113323267B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2286961A1 (en) * | 1999-04-30 | 2000-10-30 | Donald M. Linsley | Truss assembly |
| JP2005163413A (en) * | 2003-12-03 | 2005-06-23 | Toru Takeuchi | Truss structure |
| CN201730318U (en) * | 2010-05-19 | 2011-02-02 | 山东德建集团有限公司 | Space assembly type adjustable formwork supporting truss |
| CN206859512U (en) * | 2017-04-13 | 2018-01-09 | 中建钢构江苏有限公司 | A kind of binode complexity inverted triangle main couple |
| CN107190851A (en) * | 2017-07-12 | 2017-09-22 | 湖南科鑫电力设计有限公司 | Acute angle steel and the triangle space steel construction including the acute angle steel |
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| CN113323267A (en) | 2021-08-31 |
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