CN217631632U - Hollow interlayer composite material tower - Google Patents
Hollow interlayer composite material tower Download PDFInfo
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- CN217631632U CN217631632U CN202221607948.XU CN202221607948U CN217631632U CN 217631632 U CN217631632 U CN 217631632U CN 202221607948 U CN202221607948 U CN 202221607948U CN 217631632 U CN217631632 U CN 217631632U
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- steel pipe
- rib
- outer steel
- ribs
- stiffening rib
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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
- Y02E10/728—Onshore wind turbines
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Abstract
The utility model provides a cavity intermediate layer combined material shaft tower, including vertical outer steel pipe, be provided with the interior steel pipe of coaxial line in the outer steel pipe, it has the combined material layer to fill between outer steel pipe and the interior steel pipe, the lower extreme of outer steel pipe and interior steel pipe is provided with long stiffening rib along circumference, be provided with short stiffening rib on the outer steel pipe of adjacent long stiffening rib, the inner wall of outer steel pipe is provided with outer rib along circumference, the outer wall of interior steel pipe is provided with inner rib along circumference, inner rib and outer rib set up in turn, the lower extreme of outer steel pipe and interior steel pipe flushes, and link to each other with lower terminal plate, the lower extreme of long stiffening rib and short stiffening rib all links to each other with lower terminal plate. The utility model discloses a setting of long stiffening rib and short stiffening rib avoids the atress damage of lower end plate and inside and outside steel pipe junction, simultaneously through the cooperation of long stiffening rib, outer rib and inner rib, is favorable to strengthening combined material's intensity and combined stability of combined material and outer steel pipe and interior steel pipe.
Description
Technical Field
The utility model relates to a steel-pipe tower technical field especially indicates a cavity intermediate layer combined material shaft tower.
Background
The interlayer composite material electric pole in the prior art comprises a double-layer steel pipe structure consisting of an inner steel pipe and an outer steel pipe, and a composite material layer filled between the inner steel pipe and the outer steel pipe, wherein the composite material is poured concrete and the like, and can also be other light high-strength materials, so that the steel consumption is effectively saved through the cooperation of steel and concrete, and the strength requirement required by a pole tower is obtained simultaneously. However, after the steel pipe and the end plate (or flange) of the existing electric pole are welded and fixed, the connection is mainly reinforced through the short stiffening ribs, the joint of the end plate or the flange is easily damaged by stress, and the combination stability of the concrete and the double-layer steel pipe structure needs to be further improved.
SUMMERY OF THE UTILITY MODEL
The utility model provides a cavity intermediate layer combined material shaft tower through the cooperation of long stiffening rib and short stiffening rib, avoids the atress damage of lower end plate and inside and outside steel pipe junction, simultaneously through the cooperation of long stiffening rib, outer rib and inner rib, is favorable to strengthening combined material's intensity and combined stability of combined material and outer steel pipe and inner steel pipe.
The technical scheme of the utility model is realized like this: the utility model provides a cavity intermediate layer combined material shaft tower, including vertical outer steel pipe, be provided with the interior steel pipe of coaxial line in the outer steel pipe, it has the combined material layer to fill between outer steel pipe and the interior steel pipe, the lower extreme of outer steel pipe and interior steel pipe is provided with long stiffening rib along circumference, be provided with short stiffening rib on the outer steel pipe of adjacent long stiffening rib, the inner wall of outer steel pipe is provided with outer rib along circumference, the outer wall of interior steel pipe is provided with interior rib along circumference, interior rib and outer rib set up in turn, the lower extreme of outer steel pipe and interior steel pipe flushes, and link to each other with the lower terminal plate, the lower extreme of long stiffening rib and short stiffening rib all links to each other with the lower terminal plate.
Further, a cross plate is arranged at the upper end in the inner steel pipe.
Furthermore, the upper ends of the outer steel pipe and the inner steel pipe are circumferentially provided with inserting plates, one ends of the inserting plates are located in the inner steel pipe, and the other ends of the inserting plates radially extend to the outer side of the outer steel pipe.
Furthermore, one end of the long stiffening rib is connected with the outer wall of the inner steel pipe, and the other end of the long stiffening rib extends to the outer side of the outer steel pipe along the radial direction.
Further, one end of the long stiffening rib is positioned in the inner steel pipe, and the other end of the long stiffening rib extends to the outer side of the outer steel pipe along the radial direction.
Furthermore, the outer ribs are arranged along the radial direction of the outer steel pipe, one ends of the outer ribs are connected with the inner wall of the outer steel pipe, and the other ends of the outer ribs and the inner steel pipe are arranged at intervals.
Furthermore, the inner rib is arranged along the radial direction of the inner steel pipe, one end of the inner rib is connected with the outer wall of the inner steel pipe, and the other end of the inner rib is arranged at intervals with the outer steel pipe.
Furthermore, the upper ends of the outer steel pipe and the inner steel pipe are flush and connected with the upper end plate, and an exhaust hole and a grouting hole are formed in the upper end plate between the outer steel pipe and the inner steel pipe.
The utility model has the advantages that:
the utility model, through the matching of the long stiffening ribs and the short stiffening ribs, on one hand, the strength of the lower ends of the outer steel pipe and the inner steel pipe is increased, and on the other hand, the connection strength of the lower end plate, the outer steel pipe and the inner steel pipe is also increased; in addition, the long stiffening ribs, the outer ribs and the inner ribs are embedded in the composite material layer, so that the strength of the composite material and the combination stability of the composite material, the outer steel pipe and the inner steel pipe are enhanced, and the stress damage of the joint of the end plate and the inner steel pipe and the stress damage of the joint of the end plate and the outer steel pipe are avoided; and the arrangement of the outer ribs and the inner ribs is also beneficial to enhancing the strength of the outer steel pipe and the inner steel pipe.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 isbase:Sub>A cross-sectional view A-A of FIG. 1;
FIG. 3 is a cross-sectional view taken along line B-B of FIG. 1;
FIG. 4 is a schematic structural diagram of a fourth interposer according to an embodiment;
FIG. 5 is a schematic structural view of three long stiffeners of the embodiment;
fig. 6 is a schematic structural view of the upper end plate.
The steel pipe comprises an outer steel pipe 1, an inner steel pipe 2, a lower end plate 3, long stiffening ribs 4, inner ribs 6, outer ribs 7, short stiffening ribs 8, cross plates 9, inserting plates 10, an upper end plate 11, exhaust holes 12 and grouting holes 13.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.
Example one
As shown in fig. 1-3, a hollow sandwich composite material tower comprises a vertical outer steel pipe 1, an inner steel pipe 2 with a coaxial line is arranged in the outer steel pipe 1, a composite material layer is filled between the outer steel pipe 1 and the inner steel pipe 2, the lower ends of the outer steel pipe 1 and the inner steel pipe 2 are flush and fixedly connected with a lower end plate 3 in a welding mode, the outer steel pipe 1 is rolled by two steel plates and connected through butt welding, and the inner steel pipe 2 is rolled by one steel plate and connected through butt welding.
The lower extreme of outer steel pipe 1 and interior steel pipe 2 is fixed with long stiffening rib 4 along circumference welded fastening, and the one end of long stiffening rib 4 links to each other with the outer wall welded fastening of interior steel pipe, and the other end radially extends to the outside of outer steel pipe 1, and the lower extreme of long stiffening rib 4 links to each other with lower end plate 3 welded fastening. Firstly welding the long stiffening ribs 4 with the lower end plate 3, then respectively welding the inner steel pipe 2 with the lower end plate 3 and the long stiffening ribs 4, respectively welding the outer steel pipe 1 with the lower end plate 3 and the long stiffening ribs 4, and finally pouring the composite material between the outer steel pipe and the inner steel pipe 2.
Short stiffening ribs 8 are welded and fixed on the outer steel pipe 1 of the adjacent long stiffening ribs 4, the short stiffening ribs 8 are fixed along the radial direction of the outer steel pipe 1, the short stiffening ribs 8 and the long stiffening ribs 4 are circumferentially and alternately and uniformly distributed, one end of each long stiffening rib 4 is connected with the outer wall of the inner steel pipe 2 in a butt welding mode, and the other end of each long stiffening rib extends to the outer side of the outer steel pipe 1 along the radial direction.
The inner wall of outer steel pipe 1 is fixed with outer rib 7 along circumference welded fastening, and the outer wall of interior steel pipe 2 is fixed with inner rib 6 along circumference welded fastening, and inner rib 6 and outer rib 7 interval 45 staggered arrangement, inner rib 6 is welded the full weld with the interior steel pipe 2 segmentation skip that corresponds along length direction, and outer rib 7 is welded the full weld with the outer steel pipe 1 segmentation skip that corresponds along length direction. The outer ribs 7 are arranged along the radial direction of the outer steel pipe 1, one end of each outer rib 7 is connected with the inner wall of the outer steel pipe 1 in a welding mode, and the other end of each outer rib 7 is arranged at intervals with the inner steel pipe 2. The inner rib 6 is arranged along the radial direction of the inner steel pipe 2, one end of the inner rib 6 is connected with the outer wall of the inner steel pipe 2 in a welding mode, and the other end of the inner rib is arranged at intervals with the outer steel pipe 1. The butt welding seams of the inner steel pipe 2 and the outer steel pipe 1, the inner rib 6, the outer rib 7 and the long stiffening rib 4 are arranged in a staggered mode.
Example two
This embodiment is substantially the same as the first embodiment, except that: as shown in fig. 1 and 2, a cross plate 9 is welded and fixed to an upper end of the inner steel pipe 2.
EXAMPLE III
This embodiment is substantially the same as the first or second embodiment, except that: as shown in fig. 5, one end of the long stiffening rib 4 is located in the inner steel pipe 2, the other end extends to the outer side of the outer steel pipe 1 along the radial direction, the lower end plate 3 is an annular flange, and the inner diameter of the annular flange is smaller than that of the inner steel pipe 2.
Example four
This embodiment is substantially the same as the first or third embodiment, except that: as shown in fig. 4, an insert plate 10 is welded and fixed to the upper ends of the outer steel pipe 1 and the inner steel pipe 2 along the circumferential direction, one end of the insert plate 10 is located in the inner steel pipe 2, and the other end extends to the outer side of the outer steel pipe 1 along the radial direction. The inserting plate 10 should be welded with the upper end plate first, and the inserting plate 10 is inserted into the reserved clamping grooves of the inner and outer steel pipes and is finally welded with the inner and outer steel pipes.
EXAMPLE five
This embodiment is substantially the same as the first to fourth embodiments, except that: as shown in fig. 4 and 6, the upper ends of the outer steel pipe 1 and the inner steel pipe 2 are flush and fixedly connected with the upper end plate 11 by welding, the upper end plate 11 between the outer steel pipe 1 and the inner steel pipe 2 is provided with an exhaust hole 12 and a grouting hole 13, and a composite material is poured between the outer steel pipe 1 and the inner steel pipe 2 through the grouting hole 13.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a cavity intermediate layer combined material shaft tower, includes vertical outer steel pipe, is provided with the interior steel pipe of coaxial line in the outer steel pipe, its characterized in that: the composite material layer is filled between the outer steel pipe and the inner steel pipe, the lower ends of the outer steel pipe and the inner steel pipe are provided with long stiffening ribs along the circumferential direction, the outer steel pipe adjacent to the long stiffening ribs is provided with short stiffening ribs, the inner wall of the outer steel pipe is provided with outer ribs along the circumferential direction, the outer wall of the inner steel pipe is provided with inner ribs along the circumferential direction, the inner ribs and the outer ribs are alternately arranged, the lower ends of the outer steel pipe and the inner steel pipe are flushed and are connected with the lower end plate, and the lower ends of the long stiffening ribs and the short stiffening ribs are connected with the lower end plate.
2. The hollow sandwich composite tower as claimed in claim 1, wherein: the upper end in the inner steel pipe is provided with a cross plate.
3. The hollow sandwich composite tower as claimed in claim 1, wherein: the upper ends of the outer steel pipe and the inner steel pipe are circumferentially provided with inserting plates, one ends of the inserting plates are located in the inner steel pipe, and the other ends of the inserting plates radially extend to the outer side of the outer steel pipe.
4. A hollow sandwich composite tower according to any one of claims 1 to 3, wherein: one end of the long stiffening rib is connected with the outer wall of the inner steel pipe, and the other end of the long stiffening rib extends to the outer side of the outer steel pipe along the radial direction.
5. A hollow sandwich composite tower according to any one of claims 1 to 3, wherein: one end of the long stiffening rib is positioned in the inner steel pipe, and the other end of the long stiffening rib extends to the outer side of the outer steel pipe along the radial direction.
6. The hollow sandwich composite tower as claimed in claim 1, wherein: the outer rib is arranged along the radial direction of the outer steel pipe, one end of the outer rib is connected with the inner wall of the outer steel pipe, and the other end of the outer rib is arranged at an interval with the inner steel pipe.
7. The hollow sandwich composite tower as claimed in claim 1, wherein: the inner rib is arranged along the radial direction of the inner steel pipe, one end of the inner rib is connected with the outer wall of the inner steel pipe, and the other end of the inner rib is arranged at an interval with the outer steel pipe.
8. A hollow sandwich composite tower according to any one of claims 1 to 3, wherein: the upper ends of the outer steel pipe and the inner steel pipe are flush and connected with the upper end plate, and an exhaust hole and a grouting hole are formed in the upper end plate between the outer steel pipe and the inner steel pipe.
9. The hollow sandwich composite tower as claimed in claim 1, wherein: the lower ends of the outer steel pipe and the inner steel pipe are flush and connected with the lower end plate, and the lower ends of the long stiffening ribs and the short stiffening ribs are connected with the lower end plate in a welding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221607948.XU CN217631632U (en) | 2022-06-23 | 2022-06-23 | Hollow interlayer composite material tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221607948.XU CN217631632U (en) | 2022-06-23 | 2022-06-23 | Hollow interlayer composite material tower |
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| Publication Number | Publication Date |
|---|---|
| CN217631632U true CN217631632U (en) | 2022-10-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221607948.XU Active CN217631632U (en) | 2022-06-23 | 2022-06-23 | Hollow interlayer composite material tower |
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| CN (1) | CN217631632U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115110829A (en) * | 2022-06-23 | 2022-09-27 | 河南鼎力杆塔股份有限公司 | Hollow interlayer light high-strength composite material tower and connecting method thereof |
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2022
- 2022-06-23 CN CN202221607948.XU patent/CN217631632U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115110829A (en) * | 2022-06-23 | 2022-09-27 | 河南鼎力杆塔股份有限公司 | Hollow interlayer light high-strength composite material tower and connecting method thereof |
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