CN220725377U - Steel-wood combined roof truss structure - Google Patents
Steel-wood combined roof truss structure Download PDFInfo
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- CN220725377U CN220725377U CN202322224606.0U CN202322224606U CN220725377U CN 220725377 U CN220725377 U CN 220725377U CN 202322224606 U CN202322224606 U CN 202322224606U CN 220725377 U CN220725377 U CN 220725377U
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- 239000002023 wood Substances 0.000 title claims abstract description 108
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 117
- 239000010959 steel Substances 0.000 claims abstract description 117
- 239000002131 composite material Substances 0.000 claims description 16
- 210000001503 joint Anatomy 0.000 claims description 16
- 238000003466 welding Methods 0.000 abstract description 8
- 239000000463 material Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of building structures, and discloses a steel-wood combined roof truss structure, which comprises a steel structure frame and wood purlines, wherein the steel structure frame comprises upright posts, longitudinal beams and cross beams; the beam, the beam and the column are connected through beam-column joints, the beam and the column are welded and fixed at the beam-column joints, the beam and the column are welded and fixed, and the beam is positioned at the lower side of the beam; the wood purline is connected with the longitudinal beam through purline nodes at the roof and the ridge, steel inserting sheets are preset on the longitudinal beam at the purline nodes, inserting holes are preset on the wood purline, bolt holes are preset on the steel inserting sheets and the wood purline, and the steel inserting sheets are connected with the wood purline through bolts in opposite pulling mode. The longitudinal beams and the cross beams of the roof truss structure are arranged in a high error opening manner in the vertical direction, so that the welding seams of the longitudinal beams and the cross beams are prevented from being concentrated on the upright posts, and the stress concentration of the steel structure frame is reduced; the wood purlines, the longitudinal beams and the cross beams can be prefabricated and assembled, so that the workload of the site is reduced, and the working hours are saved.
Description
Technical Field
The utility model relates to the technical field of building structures, in particular to a steel-wood combined roof truss structure.
Background
When the old building is renovated and the new building and the old building are joined and matched, in order to ensure the uniformity of appearance effect, the effect that a wooden roof forms a wooden space is adopted. Because the space span of building is great, roofing uses wood structure material performance restriction and roofing wooden material impression, and main part frame can adopt steel structure frame, and the roofing of collocation steel wood combination reaches the design effect.
The steel structure, the wood structure and other materials can be used for effectively reducing the weight of the materials and improving the overall earthquake resistance of the building, and particularly, the steel-wood combined structure can fully utilize the material properties of high strength, light dead weight, good overall rigidity, strong deformability and the like of the rigid structure, and simultaneously, the characteristics of good compression resistance, earthquake resistance and the like of the wood structure are utilized.
In the steel-wood connection node of the existing steel-wood structure roof truss, steel beams and steel columns are welded and connected, wooden purlines and the steel beams are generally connected together in a mortise-tenon structure, steel nails and other modes, construction amount of site workers is large, quality of finished products is difficult to control, welding seams of the steel beams and the steel columns are concentrated, stress concentration phenomenon is easy to occur, and stability of the roof truss structure is affected.
Disclosure of Invention
The purpose of the utility model is that: the steel-wood combined roof truss structure solves the problems that in the prior art, the steel-wood roof truss is easy to generate stress concentration, the connection workload of purlines and steel beams is large, and the quality is difficult to control.
In order to achieve the above object, the present utility model provides a steel-wood combined roof truss structure, comprising a steel structure frame and wood purlines arranged on the steel structure frame, wherein the steel structure frame comprises upright posts, longitudinal beams perpendicular to the wood purlines and transverse beams parallel to the wood purlines;
the longitudinal beam, the cross beam and the upright post are connected through beam-column joints, the longitudinal beam and the upright post are welded and fixed at the beam-column joints, the cross beam and the upright post are welded and fixed, and the longitudinal beam is positioned at the lower side of the cross beam;
the wood purline with roof and ridge department are connected through the purlin node department predetermine the steel inserted sheet on the longeron, predetermine on the wood purline confession steel inserted sheet male jack, the steel inserted sheet with predetermine the bolt hole on the wood purline, the steel inserted sheet with the wood purline passes through the bolt and draws to be connected.
Preferably, the beam-column joint comprises a first joint at which the ends of the longitudinal beam are welded to the sides of the upright, the bottom of the transverse beam being welded to the top of the upright, the transverse beam spanning the upper side of the longitudinal beam.
Preferably, the beam column node comprises a second node, a longitudinal node plate and a transverse node plate are arranged on the upright post at the second node, the two groups of end parts of the longitudinal beams are in butt joint with the longitudinal node plate, the transverse node plate is positioned on the upper side of the longitudinal node plate, the two groups of transverse node plates are arranged at the two ends of the longitudinal node plate at intervals, and the two groups of end parts of the transverse beams are welded with the two groups of transverse node plates in a one-to-one correspondence manner.
Preferably, the beam-column joint comprises a third joint at which the upright is formed with a through-opening through which the stringer is arranged, the cross beam straddling the upper side of the stringer.
Preferably, the purlin node comprises a fourth node, the steel inserting sheet is arranged at the top of the longitudinal beam at the fourth node, the jack is arranged at the bottom of the wood purlin, and the wood purlin is supported and arranged on the upper side of the longitudinal beam.
Preferably, the purlin node includes the fifth node both sides portion of fifth node department longeron all is provided with the steel inserted sheet, the tip of wood purlin is provided with the jack, two sets of wood purlin with two sets of steel inserted sheet one-to-one grafting.
Preferably, the wooden purlines are connected with the longitudinal beams at the gutter through gutter nodes, two groups of steel plates which are arranged at intervals are arranged at the tops of the longitudinal beams at the gutter nodes, an accommodating groove for accommodating the wooden purlines is formed between the two groups of steel plates, the two groups of the wooden purlines are in butt joint in the accommodating groove, bolt holes are prefabricated in the steel plates, the steel plates are connected with the wooden purlines in a opposite-pulling mode through bolts, and opposite openings are formed in the tops of the two groups of the wooden purlines to install drainage ditches.
Preferably, a steel cable is further connected between the cross beams, and extends along a direction perpendicular to the longitudinal beams.
Preferably, diagonal braces are further connected between the steel cables and the cross beams, and the two groups of diagonal braces are arranged symmetrically by taking the longitudinal beams as axes.
Compared with the prior art, the steel-wood combined roof truss structure has the beneficial effects that: the longitudinal beam, the cross beam and the upright posts of the roof truss structure are connected through beam-column joints, and the longitudinal beam is positioned at the lower side of the cross beam, so that high-error opening arrangement is formed between the longitudinal beam and the cross beam in the vertical direction, the welding seams of the longitudinal beam and the cross beam are prevented from being concentrated on the upright posts, and the stress concentration of the steel structure frame is reduced; the wood purlines are mutually perpendicular to the longitudinal beams and are mutually parallel to the cross beams, and a plurality of wood purlines can be continuously arranged with the cross beams, so that the space arrangement is flexible; the wood purline is connected with the longitudinal beam through the steel inserting sheets, inserting holes and bolts in opposite pulling mode, the wood purline, the longitudinal beam and the cross beam can adopt prefabricated assembly structures, inserting holes in the wood purline and bolt holes in the steel inserting sheets are prefabricated and formed, the wood purline and the longitudinal beam can be manufactured in factories, connection quality of the roof truss structure is improved, on-site workload is reduced, and working hours are saved.
Drawings
FIG. 1 is a schematic structural view of a steel-wood composite roof truss structure of the present utility model;
FIG. 2 is another schematic view of the steel-wood composite roof truss structure of the present utility model;
FIG. 3 is a schematic view of the steel-wood composite roof truss structure of the present utility model after assembly of the steel cables;
FIG. 4 is a schematic view of a first node of the steel wood composite roof truss structure of FIG. 1;
FIG. 5 is a schematic view of a second node of the steel wood composite roof truss structure of FIG. 1;
FIG. 6 is a schematic view of a third node of the steel wood composite roof truss structure of FIG. 2;
FIG. 7 is a schematic plan view of the third node of FIG. 6;
FIG. 8 is a schematic view of a fourth node of the steel wood composite roof truss structure of FIG. 2;
FIG. 9 is a schematic cross-sectional view of the fourth node of FIG. 8 along line a-a;
FIG. 10 is a schematic view of a fifth node of the steel wood composite roof truss structure of FIG. 2 at a ridge;
FIG. 11 is a schematic cross-sectional view of the fifth node of FIG. 10 along line b-b;
FIG. 12 is a schematic view of a fifth node of the steel wood composite roof truss structure of FIG. 2 at a roof;
FIG. 13 is a schematic cross-sectional view of the fifth node of FIG. 12 along line c-c;
FIG. 14 is a schematic cross-sectional view of the fifth node of FIG. 12 along line d-d;
FIG. 15 is a schematic illustration of the construction of the gutter node of the steel-wood composite roof truss structure of FIG. 1;
FIG. 16 is a schematic view of the gutter node of FIG. 15 taken along line e-e;
FIG. 17 is a schematic view of the gutter node of FIG. 15 taken along line f-f.
In the figure, 1, upright posts, 2, longitudinal beams, 3, cross beams, 4, wood purlines, 5, steel inserting sheets, 6, bolts, 7, longitudinal node plates, 8, transverse node plates, 9, steel ropes, 10, diagonal braces, 11, steel plates, A, first nodes, B, second nodes, C, third nodes, D, fourth nodes, E, fifth nodes, F and gutter nodes.
Detailed Description
The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.
According to the preferred embodiment of the steel-wood combined roof truss structure, as shown in fig. 1 to 17, the steel-wood combined roof truss structure comprises a steel structure frame and wood purlines 4, wherein the wood purlines 4 are arranged on the steel structure frame, the steel structure frame is the foundation of the roof truss structure, the structural advantage of steel materials is utilized to greatly enhance the integral strength of the structure, the integral performance and the bearing performance of the roof beam are effectively improved, the complementary synergistic effect of the two materials is realized, and a flexible large-span space is formed.
The steel construction frame includes stand 1, longeron 2 and crossbeam 3, and stand 1 vertical support is on ground basis, and longeron 2 and crossbeam 3 are arranged at the top of stand 1 and are formed roofing bearing structure, and longeron 2 and wooden purlin 4 mutually perpendicular, crossbeam 3 and wooden purlin 4 are parallel to each other, in this embodiment, according to the basic direction of room roofing north south, then longeron 2 is the east-west direction extension, and crossbeam 3 is the north-south direction extension.
The mutual connection of the longitudinal beam 2, the cross beam 3 and the upright 1 is connected through beam-column joints, namely beam-column joints are formed at the top end of the upright 1 and at the position where the cross beam 3 and the longitudinal beam 2 are staggered. And a longitudinal beam 2 is welded and fixed with the upright column 1 at a beam column joint, a transverse beam 3 is welded and fixed with the upright column 1, and the longitudinal beam 2 is positioned at the lower side of the transverse beam 3. The longitudinal beam 2 is positioned at the lower side of the cross beam 3, so that high-error opening arrangement is formed between the longitudinal beam 2 and the cross beam 3 in the vertical direction, the welding seams of the longitudinal beam 2 and the cross beam 3 are prevented from being concentrated on the upright post 1, and the stress concentration of the steel structure frame is reduced.
The wood purlines 4 are connected with the longitudinal beams 2 at the roof and ridge positions through purline nodes, a plurality of wood purlines 4 at the roof and ridge positions are positioned between two adjacent cross beams 3, and the wood purlines 4 are positioned on the upper sides of the longitudinal beams 2 or the wood purlines 4 are in butt joint with the longitudinal beams 2. Steel inserting pieces 5 are preset on the longitudinal beams 2 at the joints of the purlines, inserting holes are preset on the wood purlines 4, and the inserting holes are used for inserting the steel inserting pieces 5 so that the longitudinal beams 2 are connected with the wood purlines 4.
The steel inserting sheet 5 and the wood purline 4 are provided with bolt holes in advance, and the steel inserting sheet 5 and the wood purline 4 are connected in opposite pulling mode through bolts 6. In this embodiment, there are two and interval arrangement bolt holes, and steel inserted sheet 5 is connected through paired bolt 6 pair-pull with wooden purlin 4, increases the connection stability between wooden purlin 4 and longeron 2. The longitudinal beam 2, the steel inserting sheet 5, the wood purline 4 and bolt holes on the wood purline can be prefabricated and assembled in a factory, so that the connection quality of the roof truss structure is improved, the field workload is reduced, and the working hours are saved. In addition, after the steel inserting sheet 5 is inserted into the wood purlin 4, the wood purlin 4 has the effect of shielding and hiding the steel inserting sheet 5, so that the lines of the wood purlin 4 are continuous, and the overall large-space effect atmosphere of the roof can be displayed.
The longitudinal beam 2, the cross beam 3 and the upright posts 1 of the steel-wood combined roof truss structure are connected through beam-column joints, and the longitudinal beam 2 is positioned at the lower side of the cross beam 3, so that high-error opening arrangement is formed between the longitudinal beam 2 and the cross beam 3 in the vertical direction, the welding seams of the longitudinal beam 2 and the cross beam 3 are prevented from being concentrated on the upright posts 1, and the stress concentration of the steel structure frame is reduced; the wood purlines 4 are mutually perpendicular to the longitudinal beams 2 and are mutually parallel to the cross beams 3, a plurality of wood purlines 4 can be continuously arranged with the cross beams 3, and the space arrangement is flexible; the wood purline 4 and the longitudinal beam 2 are connected through the steel inserting piece 5, the inserting holes and the bolts 6 in opposite pulling mode, the wood purline 4, the longitudinal beam 2 and the cross beam 3 can be of prefabricated assembly structures, the inserting holes in the wood purline 4 and the bolt holes in the steel inserting piece 5 are prefabricated and formed, the wood purline can be manufactured in a factory, the connection quality of a roof truss structure is improved, the on-site workload is reduced, and the working hours are saved.
Preferably, the beam-column joint comprises a first joint a where the end of the longitudinal beam 2 is welded to the side of the upright 1, the bottom of the cross beam 3 is welded to the top of the upright 1, and the cross beam 3 spans the upper side of the longitudinal beam 2.
As shown in fig. 4, when the wood purline 4 spans over the longitudinal beam 2, the cross beam 3 spans over the longitudinal beam 2, so that the cross beam 3 and the longitudinal beam 2 form a height difference, and the cross beam 3 is welded with the vertical column 1 and the longitudinal beam 2 is welded with the vertical column 1 to form a whole. In this embodiment, longeron 2 is I-steel section bar, and steel inserted sheet 5 welded fastening is on the panel at longeron 2 top, and wood purlin 4 and panel mutually perpendicular to wood purlin 4 slope arrangement is in the upside of longeron 2, and the central line of two bolt holes on the steel inserted sheet 5 keeps unanimous with the incline direction of wood purlin 4.
Preferably, the beam column node comprises a second node B, a longitudinal node plate 7 and a transverse node plate 8 are arranged on the upright column 1 at the second node B, the ends of the two groups of longitudinal beams 2 are in butt joint with the longitudinal node plate 7, the transverse node plate 8 is positioned on the upper side of the longitudinal node plate 7, the transverse node plates 8 are in two groups and are arranged at the two ends of the longitudinal node plate 7 at intervals, and the ends of the two groups of transverse beams 3 are welded with the two groups of transverse node plates 8 in a one-to-one correspondence manner.
As shown in fig. 5, in the ridge and gutter positions, two groups of longitudinal beams 2 and two groups of transverse beams 3 are butted above the upright posts 1 to form a second node B, at this time, longitudinal node plates 7 and transverse node plates 8 are arranged on the upright posts 1, and the two groups of longitudinal beams 2 are butted at the longitudinal node plates 7, so that stress concentration on the upright posts 1 is reduced; the two sides of the longitudinal gusset plates 7 are provided with the upward extending transverse gusset plates 8, so that the cross beam 3 can be positioned on the upper side of the longitudinal beam 2, and meanwhile, the welding seams of the cross beam 3 and the longitudinal beam 2 are arranged separately, so that stress concentration is reduced. In this embodiment, the upright 1 is an i-steel section, the web of the upright 1 forms a longitudinal gusset 7, and the panel of the upright 1 forms a transverse gusset 8.
When the upright 1 is positioned at the gutter position, a top web of the upright 1 is provided with a notch, the depth of the notch is 160mm, and the longitudinal beam 2 is arranged at the lower side of the notch so that the gutter can be placed on the longitudinal beam 2 in a penetrating manner.
Preferably, the beam-column joint comprises a third joint C, where the upright 1 is formed with a through-opening, through which the longitudinal beam 2 is arranged, and the transverse beam 3 straddles the upper side of the longitudinal beam 2.
As shown in fig. 6 and 7, for roofs of different sizes, the spans of the houses are different, and when the spans of the houses are 10 meters, i-steel profiles can be adopted as the upright posts 1; when the span of house is 12 meters, stand 1 adopts the combination type steel column, and the centre of combination type steel column has the interval to form the through-hole, and longeron 2 passes from the centre of through-hole to longeron 2 and combination type steel column welding, longeron 2 coherently arranges this moment, and crossbeam 3 coherently arranges in the upside of longeron 2, can reduce the gusset for steel construction frame's atress is reasonable. In this embodiment, the composite steel column is two spaced-apart h-steels.
Preferably, the purlin node includes a fourth node D, at which the top of the stringer 2 is provided with a steel insert 5, the bottom of the wooden purlin 4 is provided with an insertion hole, and the wooden purlin 4 is supportingly arranged on the upper side of the stringer 2.
As shown in fig. 8 and 9, a fourth node D is formed when the wooden purline 4 is supported on the longitudinal beam 2 on the roof, at this time, the wooden purline 4 is spliced on the upper side of the longitudinal beam 2, the wooden purline 4 is assembled with the steel inserting sheet 5 on the top of the longitudinal beam 2 through the jack on the bottom, the top surface of the longitudinal beam 2 has a supporting function on the wooden purline 4, the longitudinal beam 2 can support the weight of the wooden purline 4, the tensile force born by the wooden purline 4 is reduced, and the stress of the wooden purline 4 is regulated. In this embodiment, the size of the steel insert 5 is 200 mm/10 mm, the diameter of the bolt hole on the steel insert 5 is 18mm, and the diameter of the bolt 6 is 16mm.
Preferably, the purline node comprises a fifth node E, steel inserting sheets 5 are arranged on two side parts of the longitudinal beam 2 at the fifth node E, inserting holes are formed in the end parts of the wood purlines 4, and two groups of wood purlines 4 are inserted in one-to-one correspondence with the two groups of steel inserting sheets 5.
As shown in fig. 10 and 11, the fifth node E is formed when the wooden purline 4 is overlapped with the side member 2 at the ridge or the wooden purline 4 is connected with the side member 2 at the roof. In this embodiment, longeron 2 is I-steel section bar, and steel inserted sheet 5 welded fastening is on the web of longeron 2, and the both sides of web all weld steel inserted sheet 5, and two have all been seted up along the width direction of wooden purlin 4 to the bolt hole on every steel inserted sheet 5, and the laminating of the both ends of wooden purlin 4 is on the web of longeron 2, and the jack is seted up on the terminal surface of wooden purlin 4.
As shown in fig. 12 to 14, when the wooden purline 4 is overlapped with the longitudinal beam 2 at the ridge, an included angle is formed between the wooden purline 4 and the longitudinal beam 2, and the top of the wooden purline 4 is subjected to chamfering treatment so that the top surface of the wooden purline 4 is level with the top surface of the longitudinal beam 2; when the wood purline 4 is overlapped with the longitudinal beam 2 at the roof, the wood purline 4 is vertically butted with the longitudinal beam 2 in the same plane.
Preferably, the wooden purlines 4 are connected with the longitudinal beams 2 through gutter nodes F at gutter positions, two groups of steel plates which are arranged at intervals are arranged at the tops of the longitudinal beams 2 at the gutter nodes F, a containing groove for containing the wooden purlines 4 is formed between the two groups of steel plates 11, the two groups of wooden purlines 4 are butted in the containing groove, bolt holes are prefabricated in the steel plates 11, the steel plates 11 are connected with the wooden purlines 4 in a opposite mode through bolts 6, and opposite openings are formed in the tops of the two groups of wooden purlines 4 for installing a drainage gutter.
As shown in fig. 15 to 17, the gutter is used for placing a drainage ditch, and therefore, an opening is required to be formed in the top of the wooden purlin 4 for installing the drainage ditch, which results in a reduction in the thickness of the wooden purlin 4, and therefore, the wooden purlin 4 cannot be provided with an insertion hole and is connected with the longitudinal beam 2 through the steel insertion sheet 5. Set up steel sheet 11 on longeron 2 and form the holding tank, place wooden purlin 4 in the holding tank, steel sheet 11 and wooden purlin 4 are connected through four sets of bolts 6 to drawing, can guarantee the structural strength of wooden purlin 4.
Preferably, between the cross members 3, there are also connected steel cables 9, the cables 9 extending in a direction perpendicular to the stringers 2.
When the span of the house reaches 15, the steel cable 9 is arranged to be connected with the cross beams 3, so that the structural strength between the cross beams 3 can be increased, the integral stress capacity of the steel structure frame is optimized, and the safety coefficient is high.
Preferably, diagonal braces 10 are also connected between the steel cables 9 and the cross beam 3, and the diagonal braces 10 are arranged in two groups, and the two groups of diagonal braces 10 are symmetrically arranged by taking the longitudinal beam 2 as an axis.
As shown in fig. 3, the diagonal braces 10 are connected with the cross beam 3, the bottom ends of the diagonal braces 10 are located in the middle of the steel cable 9, the diagonal braces 10 increase the integrity between the steel cable 9 and the cross beam 3, and the two diagonal braces 10 are symmetrically arranged to optimize stress.
In summary, the embodiment of the utility model provides a steel-wood combined roof truss structure, wherein longitudinal beams, cross beams and upright posts of the roof truss structure are connected through beam-column joints, and the longitudinal beams are positioned at the lower side of the cross beams, so that high-error opening arrangement is formed between the longitudinal beams and the cross beams in the vertical direction, the welding seams of the longitudinal beams and the cross beams are prevented from being concentrated on the upright posts, and the stress concentration of a steel structure frame is reduced; the wood purlines are mutually perpendicular to the longitudinal beams and are mutually parallel to the cross beams, and a plurality of wood purlines can be continuously arranged with the cross beams, so that the space arrangement is flexible; the wood purline is connected with the longitudinal beam through the steel inserting sheets, inserting holes and bolts in opposite pulling mode, the wood purline, the longitudinal beam and the cross beam can adopt prefabricated assembly structures, inserting holes in the wood purline and bolt holes in the steel inserting sheets are prefabricated and formed, the wood purline and the longitudinal beam can be manufactured in factories, connection quality of the roof truss structure is improved, on-site workload is reduced, and working hours are saved.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present utility model, and these modifications and substitutions should also be considered as being within the scope of the present utility model.
Claims (9)
1. The steel-wood combined roof truss structure is characterized by comprising a steel structure frame and wood purlines arranged on the steel structure frame, wherein the steel structure frame comprises upright posts, longitudinal beams perpendicular to the wood purlines and cross beams parallel to the wood purlines;
the longitudinal beam, the cross beam and the upright post are connected through beam-column joints, the longitudinal beam and the upright post are welded and fixed at the beam-column joints, the cross beam and the upright post are welded and fixed, and the longitudinal beam is positioned at the lower side of the cross beam;
the wood purline with roof and ridge department are connected through the purlin node department predetermine the steel inserted sheet on the longeron, predetermine on the wood purline confession steel inserted sheet male jack, the steel inserted sheet with predetermine the bolt hole on the wood purline, the steel inserted sheet with the wood purline passes through the bolt and draws to be connected.
2. The steel and wood composite roof truss structure of claim 1 wherein the beam-column nodes include a first node where the ends of the longitudinal beams are welded to the sides of the columns, the bottoms of the cross beams are welded to the tops of the columns, and the cross beams span the upper sides of the longitudinal beams.
3. The steel-wood combined roof truss structure according to claim 1, wherein the beam-column joint comprises a second joint, a longitudinal joint plate and a transverse joint plate are arranged on the upright post at the second joint, the ends of two groups of longitudinal beams are in butt joint with the longitudinal joint plate, the transverse joint plates are positioned on the upper side of the longitudinal joint plate, the transverse joint plates are arranged at two groups of two ends of the longitudinal joint plate at intervals, and the ends of two groups of transverse beams are welded with the two groups of transverse joint plates in a one-to-one correspondence manner.
4. The steel-wood composite roof truss structure of claim 1 wherein the beam-column node includes a third node where the column is formed with a through-opening through which the stringers are disposed, the cross-beams straddling the upper side of the stringers.
5. The steel-wood composite roof truss structure according to any one of claims 1-4, wherein the purlin node comprises a fourth node where the steel insert is provided at the top of the stringer, the bottom of the wood purlin is provided with the receptacle, and the wood purlin support is arranged on the upper side of the stringer.
6. The steel-wood combined roof truss structure according to any one of claims 1 to 4, wherein the purline nodes comprise a fifth node, the steel inserting sheets are arranged on two side parts of the longitudinal beam at the fifth node, the inserting holes are formed in the end parts of the wood purlines, and two groups of the wood purlines are inserted in one-to-one correspondence with the two groups of the steel inserting sheets.
7. The steel-wood composite roof truss structure according to any one of claims 1 to 4, wherein the wooden purlines and the stringers are connected at a gutter joint through gutter joints, two groups of steel plates are arranged at the tops of the stringers at the gutter joint at intervals, a containing groove for containing the wooden purlines is formed between the two groups of steel plates, the two groups of wooden purlines are butted in the containing groove, bolt holes are prefabricated in the steel plates, the steel plates and the wooden purlines are connected through bolt counter-pulling, and opposite openings are formed at the tops of the two groups of wooden purlines for installing a drainage gutter.
8. A steel and wood composite roof truss structure according to any of claims 1-4, wherein steel cables are further connected between said cross members, said cables extending in a direction perpendicular to said stringers.
9. The steel-wood combined roof truss structure according to claim 8, wherein diagonal braces are further connected between the steel cables and the cross beams, and the diagonal braces are arranged in two groups, and the two groups of diagonal braces are arranged symmetrically with the longitudinal beams as axes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322224606.0U CN220725377U (en) | 2023-08-18 | 2023-08-18 | Steel-wood combined roof truss structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322224606.0U CN220725377U (en) | 2023-08-18 | 2023-08-18 | Steel-wood combined roof truss structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220725377U true CN220725377U (en) | 2024-04-05 |
Family
ID=90484212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322224606.0U Active CN220725377U (en) | 2023-08-18 | 2023-08-18 | Steel-wood combined roof truss structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220725377U (en) |
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2023
- 2023-08-18 CN CN202322224606.0U patent/CN220725377U/en active Active
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