CN219011477U - Steel truss reducing butt joint conversion structure - Google Patents
Steel truss reducing butt joint conversion structure Download PDFInfo
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- CN219011477U CN219011477U CN202223403024.0U CN202223403024U CN219011477U CN 219011477 U CN219011477 U CN 219011477U CN 202223403024 U CN202223403024 U CN 202223403024U CN 219011477 U CN219011477 U CN 219011477U
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- truss
- flange frame
- conversion structure
- joint conversion
- steel
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The utility model relates to a steel truss reducing butt joint conversion structure which comprises a first truss, a second truss, a flange frame A, a flange frame B and a supporting cylinder, wherein the first truss comprises a plurality of first chord tubes, the second truss comprises a plurality of second chord tubes, the flange frame B and the flange frame A are respectively welded and fixedly connected to the upper end and the lower end of the supporting cylinder, the surfaces of the flange frame B and the flange frame A are also welded and fixedly connected with positioning sleeves, and the positioning sleeves are respectively sleeved in the first chord tubes and the second chord tubes. The positioning sleeve has the positioning and guiding functions, ensures the alignment precision between the two unit trusses to a certain extent, has a simple structure, does not need to use fasteners such as bolts during assembly, is convenient to assemble and operate, and ensures that a connecting structure between the first truss and the second truss has proper gaps and flexibility, can block and weaken the transmission of dynamic load and ensures the overall stability of the assembled trusses.
Description
Technical Field
The utility model belongs to the technical field of truss structures, and particularly relates to a steel truss reducing butt joint conversion structure.
Background
The truss is a structure formed by connecting bars at both ends with hinges. The truss is a plane or space structure which is composed of straight rods and is generally provided with triangular units, and truss rod members are mainly subjected to axial tension or compression, so that the strength of materials can be fully utilized, the material can be saved compared with a solid web beam when the span is large, the dead weight is lightened, the rigidity is increased, the truss can be applied to various supporting structures, and a plurality of unit trusses are generally adopted for assembling the truss with large span or large elevation.
For example, publication No.: patent document CN202481964U discloses a truss arm butt joint structure, which connects adjacent first truss arm sections and second truss arm sections, wherein an end face of the first truss arm section and an end face of the second truss arm section are in butt joint to form a contact surface, and the truss arm butt joint structure comprises a first connecting piece and a second connecting piece; one end of the first connecting piece is hinged and fixed on one end of the first truss arm section adjacent to the second truss arm section and on the non-contact surface; one end of the second connecting piece is hinged and fixed on one end of the second truss arm section adjacent to the first truss arm section and on the non-contact surface; the other end of the first connecting piece is hinged with the other end of the second connecting piece. The technical scheme provided by the patent document can be applied to butt joint connection between two unit trusses with the same cross section size and shape, however, the engineering can meet the situation that two unit trusses with the same cross section shape but different sizes are in butt joint, and the above-mentioned patent technology cannot be applied, so that development of a steel truss reducing butt joint conversion joint is urgently needed, and assembly connection between each unit truss is more flexible and convenient.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a steel truss reducing butt joint conversion structure.
The utility model provides a steel truss reducing butt joint conversion structure which comprises a first truss, a second truss, a flange frame A, a flange frame B and a supporting cylinder, wherein the first truss comprises a plurality of first chord tubes, the second truss comprises a plurality of second chord tubes, the flange frame B and the flange frame A are respectively welded and fixedly connected to the upper end and the lower end of the supporting cylinder, the surfaces of the flange frame B and the flange frame A are also welded and fixedly connected with positioning sleeves, and the positioning sleeves are respectively sleeved in the first chord tubes and the second chord tubes.
And a backing plate is fixedly connected between the flange frame B and the positioning sleeve and between the flange frame A and the positioning sleeve.
The thickness of the backing plate is not less than 16mm.
The surface of the supporting cylinder is also fixedly connected with reinforcing rib plates in a welding way, and the edges of the reinforcing rib plates are respectively fixedly connected with the flange frame A and the flange frame B in a welding way.
The number of the reinforcing rib plates is multiple, and the reinforcing rib plates are uniformly arranged around the supporting cylinder in an array mode.
The flange frame A is a rectangular frame prepared by welding I-steel.
The flange frame B is a rectangular frame prepared by welding I-steel.
The positioning sleeve can be replaced by a seamless steel pipe.
The first truss further comprises first web members, and the first web members are fixedly connected between two adjacent first chord tubes in a welding mode.
The second truss further comprises second web members, and the second web members are fixedly connected between two adjacent second chord tubes in a welding mode.
The utility model has the beneficial effects that: by adopting the technical scheme of the utility model, the positioning sleeve is directly inserted into the first string tube and the second string tube, the positioning sleeve has the functions of positioning and guiding, and the alignment precision between the two unit trusses is ensured to a certain extent.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
In the figure: the device comprises a first truss, a second truss, a 3-flange frame A, a 4-flange frame B, a 5-supporting cylinder, a 6-first string pipe, a 7-second string pipe, an 8-positioning sleeve, a 9-backing plate, a 10-reinforcing rib plate, a 11-first web member and a 12-second web member.
Detailed Description
The technical solution of the present utility model is further described below with reference to the accompanying drawings, but the scope of protection of the present utility model is not limited to the above;
the utility model provides a steel truss reducing butt joint conversion structure, which is shown in fig. 1, and comprises a first truss 1, a second truss 2, a flange frame A3, a flange frame B4 and a supporting cylinder 5, wherein the first truss 1 comprises a plurality of first chord tubes 6, the second truss 2 comprises a plurality of second chord tubes 7, the flange frame B4 and the flange frame A3 are respectively welded and fixedly connected to the upper end and the lower end of the supporting cylinder 5, the surfaces of the flange frame B4 and the flange frame A3 are also welded and fixedly connected with a positioning sleeve 8, and the positioning sleeve 8 is respectively sleeved in the first chord tubes 6 and the second chord tubes 7.
By adopting the technical scheme of the utility model, the positioning sleeve is directly inserted into the first string tube and the second string tube, the positioning sleeve has the functions of positioning and guiding, and the alignment precision between the two unit trusses is ensured to a certain extent.
Specifically, a backing plate 9 is fixedly connected between the flange frame B4 and the positioning sleeve 8 and between the flange frame A3 and the positioning sleeve 8. The thickness of the backing plate 9 is not less than 16mm. The backing plate 9 increases the rigidity and strength of the positioning sleeve 8 on the one hand, and on the other hand, the positioning sleeve 8 also has a limiting function for limiting the fit length between the positioning sleeve 8 and the first string tube 6 and the second string tube 7.
In addition, the surface of the supporting cylinder 5 is also fixedly connected with the reinforcing rib plate 10 in a welding way, and the edges of the reinforcing rib plate 10 are respectively fixedly connected with the flange frame A3 and the flange frame B4 in a welding way. The number of the reinforcing rib plates 10 is multiple, and the plurality of reinforcing rib plates 10 are uniformly arranged around the supporting cylinder 5 in an array manner. Thereby enhancing the structural strength and rigidity of the support cylinder 5.
Specifically, the flange frame A3 is a rectangular frame prepared by welding I-steel. The flange frame B4 is a rectangular frame prepared by welding I-steel. The positioning sleeve 8 can be replaced by a seamless steel tube. The first truss 1 further comprises first web members 11, and the first web members 11 are fixedly connected between two adjacent first chord tubes 6 in a welding way. The first web member 11 is a rectangular steel pipe or a round steel pipe. The second truss 2 further comprises second web members 12, and the second web members 12 are welded and fixedly connected between two adjacent second chord tubes 7. The second web member 12 is a rectangular steel tube or a round steel tube.
Claims (10)
1. The utility model provides a steel truss reducing butt joint conversion structure which characterized in that: including first truss (1), second truss (2), flange frame A (3), flange frame B (4) and supporting cylinder (5), first truss (1) include many first string pipe (6), second truss (2) include many second string pipe (7), flange frame B (4), flange frame A (3) respectively the welding link firmly in both ends about supporting cylinder (5), flange frame B (4), flange frame A (3) surface still link firmly with position sleeve (8) welding, position sleeve (8) overlap respectively in first string pipe (6), second string pipe (7).
2. The steel truss reducing butt-joint conversion structure according to claim 1, wherein: a backing plate (9) is fixedly connected between the flange frame B (4) and the positioning sleeve (8) and between the flange frame A (3) and the positioning sleeve (8).
3. The steel truss reducing butt-joint conversion structure according to claim 2, wherein: the thickness of the backing plate (9) is not less than 16mm.
4. The steel truss reducing butt-joint conversion structure according to claim 1, wherein: the surface of the supporting cylinder (5) is also fixedly connected with a reinforcing rib plate (10) in a welding way, and the edges of the reinforcing rib plate (10) are respectively fixedly connected with the flange frame A (3) and the flange frame B (4) in a welding way.
5. The steel truss reducing butt joint conversion structure according to claim 4, wherein: the number of the reinforcing rib plates (10) is multiple, and the plurality of reinforcing rib plates (10) are uniformly arranged around the supporting cylinder (5) in an array mode.
6. The steel truss reducing butt joint conversion structure according to claim 1 or 2 or 4, wherein: the flange frame A (3) is a rectangular frame prepared by welding I-steel.
7. The steel truss reducing butt joint conversion structure according to claim 1 or 2 or 4, wherein: the flange frame B (4) is a rectangular frame prepared by welding I-steel.
8. The steel truss reducing butt-joint conversion structure according to claim 1 or 2, wherein: the positioning sleeve (8) can be replaced by a seamless steel tube.
9. The steel truss reducing butt-joint conversion structure according to claim 1, wherein: the first truss (1) further comprises first web members (11), and the first web members (11) are fixedly connected between two adjacent first chord tubes (6) in a welding mode.
10. The steel truss reducing butt-joint conversion structure according to claim 1, wherein: the second truss (2) further comprises second web members (12), and the second web members (12) are fixedly connected between two adjacent second chord tubes (7) in a welding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223403024.0U CN219011477U (en) | 2022-12-19 | 2022-12-19 | Steel truss reducing butt joint conversion structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223403024.0U CN219011477U (en) | 2022-12-19 | 2022-12-19 | Steel truss reducing butt joint conversion structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219011477U true CN219011477U (en) | 2023-05-12 |
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ID=86238052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223403024.0U Active CN219011477U (en) | 2022-12-19 | 2022-12-19 | Steel truss reducing butt joint conversion structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219011477U (en) |
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2022
- 2022-12-19 CN CN202223403024.0U patent/CN219011477U/en active Active
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