CN115787830A - Connecting structure of super-large-span roof steel truss and construction method thereof - Google Patents
Connecting structure of super-large-span roof steel truss and construction method thereof Download PDFInfo
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- CN115787830A CN115787830A CN202211454433.5A CN202211454433A CN115787830A CN 115787830 A CN115787830 A CN 115787830A CN 202211454433 A CN202211454433 A CN 202211454433A CN 115787830 A CN115787830 A CN 115787830A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 109
- 239000010959 steel Substances 0.000 title claims abstract description 109
- 238000010276 construction Methods 0.000 title claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims description 51
- 230000003014 reinforcing effect Effects 0.000 claims description 24
- 230000008878 coupling Effects 0.000 claims description 13
- 238000010168 coupling process Methods 0.000 claims description 13
- 238000005859 coupling reaction Methods 0.000 claims description 13
- 230000009286 beneficial effect Effects 0.000 description 7
- 230000002787 reinforcement Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
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Abstract
The invention provides a connection structure of a super-large span roof steel truss and a construction method thereof, belonging to the technical field of truss construction.
Description
Technical Field
The invention belongs to the technical field of truss construction, and particularly relates to a connection structure of a super-large span roof steel truss and a construction method thereof.
Background
Steel trusses refer to trusses made of steel. The steel truss is used as a main bearing component in roof structures, crane beams, bridges, hydraulic gates and the like of industrial and civil buildings. Space steel trusses composed of three-face, four-face or multi-face plane trusses are commonly used for various tower frames, such as mast towers, television towers, power transmission line towers and the like.
The steel truss has the following disadvantages when connected: 1. the assembly degree is not enough 2, the transportation of the steel bar truss plates is troublesome, the floor slab is easy to damage 3, the total thickness of the floor slab is thicker 4, the site construction of the steel bar truss plates is difficult 5, the safety problem of the lap joint of the steel bar truss plates and the precast beams 6, the lateral connection problem of the steel bar truss plates, the beams and the laminated slab 7, the installation of the pipeline of the truss reinforced concrete laminated slab is difficult 8, and the opening of the truss reinforced concrete laminated slab is troublesome.
At present, when super large span house steel truss is under construction, need a plurality of steel trusses to connect, at the junction of steel truss, the unstable problem of buckling or toppling over and having increased the potential safety hazard that leads to of connection can appear.
Disclosure of Invention
In view of the above, the invention provides a connection structure of a super-large span roof steel truss and a construction method thereof, which can solve the problems that when a super-large span house steel truss is constructed, a plurality of steel trusses are required to be connected, and the potential safety hazard is increased due to bending or toppling caused by unstable connection at the connection position of the steel trusses.
The invention is realized by the following steps:
the invention provides a connection structure of a super-large span roof steel truss, which comprises a support steel column, wherein a fixing bottom plate is fixedly arranged on the support steel column, a fixing part is arranged on the fixing bottom plate, a short column is fixed on the top surface of the fixing bottom plate through a bolt mechanism, a connection lug is arranged at the bottom end of the short column, and a connection mechanism for stabilizing the connection position of the steel truss is fixed at the top end of the short column in a plugging and pulling manner.
The connecting structure of the super-large span roof steel truss provided by the invention has the following technical effects: through setting up the support steel column for PMKD can fix on supporting the steel column, through setting up coupling mechanism, can realize connecting the core reinforcement at steel truss connection and connect, produce the cracked problem of concatenation department when avoiding a plurality of steel trusses to splice, through setting up coupling mechanism, the installation is convenient with the dismantlement, can install according to actual need, saves the construction and takes up an area of the space, has guaranteed the stability of steel truss concatenation simultaneously.
On the basis of the technical scheme, the connection structure of the super-large span roof steel truss can be further improved as follows:
wherein, coupling mechanism includes fixed horizontal pole, fixed montant, dead lever and link to one side, still be provided with the anchor strut on the fixed horizontal pole, the bottom of fixed horizontal pole is provided with integrated into one piece's anchor strut, the top of fixed horizontal pole still is provided with the link, the link with through fixed montant and dead lever fixed connection to one side between the fixed horizontal pole, the dead lever to one side with fixed horizontal pole is triangle-shaped and sets up, the both ends of link still are provided with and are used for connecting the concatenation mechanism of steel truss.
The beneficial effect who adopts above-mentioned improvement scheme does: through setting up fixed montant and dead lever to one side for be connected between fixed horizontal pole and the link more stable, avoid buckling when connecting the steel truss, guarantee the stability of junction structure.
The supporting steel column is provided with an integrally formed reinforcing block, and the reinforcing block is of a triangular structure.
The beneficial effect who adopts above-mentioned improvement scheme does: through setting up the reinforcement piece for stronger to the support of fixed bottom plate, avoid collapsing and pressure loss.
And a supporting block is further arranged at the joint of the short column and the connecting mechanism, and a slot is formed in the supporting block.
The beneficial effect who adopts above-mentioned improvement scheme does: through setting up the supporting shoe for the short column is more stable to coupling mechanism's support, guarantees overall structure's intensity, guarantees the stability of steel truss junction.
Furthermore, the splicing mechanism comprises splicing plates arranged at two ends of the connecting frame, and bolts used for fixing the steel truss are arranged on the splicing plates.
The beneficial effect who adopts above-mentioned improvement scheme does: through setting up splicing mechanism for the steel truss is when splicing with coupling mechanism, and the mounting means is simple firm, the concatenation of being convenient for, labour saving and time saving.
Furthermore, a C-shaped reinforcing member is further arranged between the fixing member and the reinforcing rod, and two ends of the C-shaped reinforcing member are respectively welded on the fixing member and the reinforcing rod.
The beneficial effect who adopts above-mentioned improvement scheme does: through setting up C shape reinforcement for the support effect to fixed horizontal pole is better, guarantees that the stable in structure of junction avoids the junction to collapse and buckles.
Furthermore, a fixing steel rope is further arranged between the inclined fixing rod and the connecting mechanism.
The beneficial effect who adopts above-mentioned improvement scheme does: through setting up fixed steel cable for the structure between dead lever and the coupling mechanism is more stable, guarantees to use.
The bolt mechanism comprises a screw hole arranged on the connecting lug and a bolt matched with the screw hole.
The second aspect of the invention provides a construction method of a connection structure of a super-large span roof steel truss, wherein the construction method of the connection structure of the super-large span roof steel truss comprises the following steps:
s1: burying a plurality of supporting steel columns below the ground for fixing;
s2: fixing the fixed bottom plate on the support steel column in a bolt mode;
s3: fixing the short column on the fixed bottom plate in a bolt mode;
s4: inserting the connecting mechanism on the top surface of the short column for fixing;
s5: and splicing the steel trusses at two ends of the connecting mechanism.
On the basis of the technical scheme, the construction method of the connection structure of the super-large span roof steel truss can be further improved as follows:
further, the specific operation of S5 is: and the connecting mechanism is arranged at the joint of each steel truss, and the number of the connecting mechanisms is matched with the splicing number of the steel trusses.
Compared with the prior art, the connecting structure of the super-large span roof steel truss and the construction method thereof provided by the invention have the beneficial effects that: through setting up the support steel column for PMKD can fix on supporting the steel column, through setting up coupling mechanism, can realize connecting the core reinforcement at steel truss connection and connect, produce the cracked problem of concatenation department when avoiding a plurality of steel trusses to splice, through setting up coupling mechanism, the installation is convenient with the dismantlement, can install according to actual need, saves the construction and takes up an area of the space, has guaranteed the stability of steel truss concatenation simultaneously.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor.
FIG. 1 is a schematic diagram of a splicing structure of a super-large span roof steel truss;
FIG. 2 is a schematic diagram of a connection structure of a super-large span roof steel truss;
FIG. 3 is a top view of a connection structure of a super-large span roof steel truss;
FIG. 4 is a schematic view of a connecting mechanism of a connecting structure of a super-large span roof steel truss;
FIG. 5 is an enlarged view taken at A in FIG. 1;
FIG. 6 is a flow chart of a construction method of a connection structure of a super-large span roof steel truss;
in the drawings, the reference numbers indicate the following list of parts:
1. supporting the steel column; 10. a short column; 1001. connecting lugs; 101. a supporting block; 11. a reinforcing block; 2. fixing the bottom plate; 21. a fixing member; 3. a connecting mechanism; 3011. inserting a block; 31. fixing the cross bar; 311. a reinforcing rod; 32. fixing the vertical rod; 33. an oblique fixing rod; 34. a connecting frame; 341. splicing plates; 4. a C-shaped reinforcement; 5. the steel rope is fixed.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
As shown in fig. 1 to 4, a first aspect of the present invention provides a first embodiment of a connection structure for a super-large span roof steel truss, in this embodiment, the connection structure includes a support steel column 1, a fixing bottom plate 2 is fixedly disposed on the support steel column 1, a fixing member 21 is disposed on the fixing bottom plate 2, a short column 10 is fixed on a top surface of the fixing bottom plate 2 through a bolt mechanism, a connection lug 1001 is disposed at a bottom end of the short column 10, and a connection mechanism 3 for stabilizing a connection portion of the steel truss is fixed at a top end of the short column 10 in a plug-in manner.
During the use, at first with support steel column 1 pre-buried subaerial, then fix PMKD 2 on support steel column 1 with the mode of bolt, then use the bolt to fix short column 10 on PMKD 2's top surface, peg graft fixedly with coupling mechanism 3 on the roof of short column 10, after the equipment is accomplished, the steel truss that will carry out the connection extends fixedly from coupling mechanism 3's both ends respectively, when continuing to carry out the steel truss connection, utilize coupling mechanism 3 to connect a plurality of steel trusses that need extend here.
Wherein, in above-mentioned technical scheme, coupling mechanism 3 includes fixed horizontal pole 31, fixed montant 32, dead lever 33 and link 34 to one side, still be provided with anchor strut 311 on the fixed horizontal pole 31, the bottom of fixed horizontal pole 31 is provided with integrated into one piece's anchor strut 311, the top of fixed horizontal pole 31 still is provided with link 34, through fixed montant 32 and dead lever 33 fixed connection between link 34 and the fixed horizontal pole 31, dead lever 33 is triangle-shaped with fixed horizontal pole 31 and sets up, the both ends of link 34 still are provided with the concatenation mechanism that is used for connecting the steel truss.
During the use, at first carry out fixed connection with link 34 and fixed horizontal pole 31, weld on fixed horizontal pole 31 through fixed montant 32, then also weld dead lever 33 on fixed horizontal pole 31 to realize the support of link 34 and fixed horizontal pole 31, then carry out zonulae occludens through concatenation mechanism and link 34 respectively with the steel truss that will connect for steel truss and link 34 form a whole.
In the above technical solution, the supporting steel column 1 is provided with the integrally formed reinforcing block 11, and the reinforcing block 11 is of a triangular structure.
When the steel column supporting device is used, the fixing bottom plate 2 is fixed on the supporting steel column 1, the fixing bottom plate 2 is in contact with the reinforcing blocks 11, and the reinforcing blocks 11 provide supporting force for the fixing bottom plate 2.
In the above technical solution, a supporting block 101 is further disposed at a joint of the short column 10 and the connecting mechanism 3, and a slot is formed in the supporting block 101.
When in use, the insertion block at the bottom of the connecting mechanism 3 is inserted into the supporting block 101 for fixing.
Further, in the above technical solution, the splicing mechanism includes splicing plates 341 disposed at two ends of the connecting frame 34, and bolts for fixing the steel truss are disposed on the splicing plates 341.
When the steel truss splicing structure is used, a steel truss to be spliced is connected with the splicing plates 341 and then fixed by using bolts.
Furthermore, in the above technical solution, a C-shaped reinforcing member 4 is further disposed between the fixing member 21 and the reinforcing rod 311, and two ends of the C-shaped reinforcing member 4 are respectively welded to the fixing member 21 and the reinforcing rod 311.
Further, in the above technical solution, a fixing steel rope 5 is further arranged between the oblique fixing rod 33 and the connecting mechanism 3.
In the above technical solution, the bolt mechanism includes a screw hole provided on the engaging lug 1001 and a bolt adapted to the screw hole.
As shown in fig. 5, a flow chart of a construction method of a connection structure of a super-large span roof steel truss according to a second aspect of the present invention is provided, where the construction method of the connection structure of the super-large span roof steel truss includes the following steps:
s1: burying a plurality of supporting steel columns 1 below the ground for fixing;
s2: fixing the fixed bottom plate 2 on the support steel column 1 in a bolt manner;
s3: fixing the short column 10 on the fixed bottom plate 2 in a bolt mode;
s4: inserting the connecting mechanism 3 on the top surface of the short column 10 for fixing;
s5: and splicing the steel trusses at two ends of the connecting mechanism 3.
Further, in the above technical solution, the specific operation of S5 is: the connecting mechanism 3 is arranged at the connecting position of each steel truss, and the number of the connecting mechanisms 3 is matched with the splicing number of the steel trusses.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a connection structure of super large-span roofing steel truss, its characterized in that has support steel column (1), support steel column (1) is gone up the fixed PMKD (2) that is provided with, last mounting (21) that is provided with of PMKD (2), the top surface of PMKD (2) is fixed with short column (10) through bolt mechanism, the bottom of short column (10) is provided with engaging lug (1001), short column (10) top is fixed with coupling mechanism (3) that are used for firm steel truss junction through the mode of plug.
2. The connecting structure of the ultra-large span roof steel truss according to claim 1, wherein the connecting mechanism (3) comprises a fixed cross rod (31), a fixed vertical rod (32), an oblique fixing rod (33) and a connecting frame (34), a reinforcing rod (311) is further arranged on the fixed cross rod (31), the bottom end of the fixed cross rod (31) is provided with the integrally formed reinforcing rod (311), the connecting frame (34) is further arranged above the fixed cross rod (31), the connecting frame (34) is fixedly connected with the fixed cross rod (31) through the fixed vertical rod (32) and the oblique fixing rod (33), the oblique fixing rod (33) is arranged in a triangular shape with the fixed cross rod (31), and splicing mechanisms for connecting the steel trusses are further arranged at two ends of the connecting frame (34).
3. The connection structure of the super-large span roof steel truss according to claim 1, wherein the supporting steel column (1) is provided with an integrally formed reinforcing block (11), and the reinforcing block (11) is of a triangular structure.
4. The connecting structure of the ultra-large span roof steel truss according to claim 1, wherein a supporting block (101) is further arranged at the joint of the short column (10) and the connecting mechanism (3), and a slot is formed in the supporting block (101).
5. The connecting structure of the super-large span roof steel truss according to claim 2, wherein the splicing mechanism comprises splicing plates (341) arranged at two ends of the connecting frame (34), and bolts for fixing the steel truss are arranged on the splicing plates (341).
6. The connection structure of the super-large span roof steel truss according to claim 2, wherein a C-shaped reinforcing member (4) is further disposed between the fixing member (21) and the reinforcing rod (311), and two ends of the C-shaped reinforcing member (4) are respectively welded to the fixing member (21) and the reinforcing rod (311).
7. The connecting structure of the super-large span roof steel truss according to claim 6, wherein a fixing steel rope (5) is further arranged between the inclined fixing rod (33) and the connecting mechanism (3).
8. The connecting structure of the super-large span roof steel truss according to claim 1, wherein the bolt mechanism comprises a screw hole arranged on the connecting lug (1001) and a bolt matched with the screw hole.
9. A construction method of a connection structure of a super-large span roof steel truss is characterized in that the construction method of the connection structure of the super-large span roof steel truss, which is disclosed by claim 6, comprises the following steps:
s1: burying a plurality of supporting steel columns (1) below the ground for fixing;
s2: fixing the fixed bottom plate (2) on the support steel column (1) in a bolt mode;
s3: fixing the short column (10) on the fixed bottom plate (2) in a bolt mode;
s4: inserting the connecting mechanism (3) on the top surface of the short column (10) for fixing;
s5: splicing the steel trusses at two ends of the connecting mechanism (3).
10. The construction method of the connection structure of the ultra-large span roof steel truss according to claim 9, wherein the specific operation of S5 is as follows: the connecting mechanism (3) is arranged at the connecting position of each steel truss, and the number of the connecting mechanisms (3) is matched with the splicing number of the steel trusses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211454433.5A CN115787830B (en) | 2022-11-21 | 2022-11-21 | Connection structure of ultra-large span roof steel truss and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211454433.5A CN115787830B (en) | 2022-11-21 | 2022-11-21 | Connection structure of ultra-large span roof steel truss and construction method thereof |
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| Publication Number | Publication Date |
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| CN115787830A true CN115787830A (en) | 2023-03-14 |
| CN115787830B CN115787830B (en) | 2024-07-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120739233A (en) * | 2025-09-01 | 2025-10-03 | 北京城建集团有限责任公司 | High adaptability connection structure suitable for large-span steel truss system concatenation |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111779173A (en) * | 2020-06-18 | 2020-10-16 | 中国十七冶集团有限公司 | Rapid installation method of high-rise steel structure truss roof |
| CN112627587A (en) * | 2020-12-17 | 2021-04-09 | 湖南金海钢结构有限公司 | Large-span building wavy line roof steel truss mounting structure |
| US20210214939A1 (en) * | 2018-06-11 | 2021-07-15 | China Construction First Division Group Construction & Development Co., Ltd. | Large-angle sloping roof steel structure and construction method thereof |
| CN215978665U (en) * | 2021-10-25 | 2022-03-08 | 万国数据服务有限公司 | Large-span and shock-resistant modularization IT computer lab |
-
2022
- 2022-11-21 CN CN202211454433.5A patent/CN115787830B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20210214939A1 (en) * | 2018-06-11 | 2021-07-15 | China Construction First Division Group Construction & Development Co., Ltd. | Large-angle sloping roof steel structure and construction method thereof |
| CN111779173A (en) * | 2020-06-18 | 2020-10-16 | 中国十七冶集团有限公司 | Rapid installation method of high-rise steel structure truss roof |
| CN112627587A (en) * | 2020-12-17 | 2021-04-09 | 湖南金海钢结构有限公司 | Large-span building wavy line roof steel truss mounting structure |
| CN215978665U (en) * | 2021-10-25 | 2022-03-08 | 万国数据服务有限公司 | Large-span and shock-resistant modularization IT computer lab |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120739233A (en) * | 2025-09-01 | 2025-10-03 | 北京城建集团有限责任公司 | High adaptability connection structure suitable for large-span steel truss system concatenation |
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