CN213477217U - Novel connecting structure of corner framework column top node - Google Patents
Novel connecting structure of corner framework column top node Download PDFInfo
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- CN213477217U CN213477217U CN202022279103.XU CN202022279103U CN213477217U CN 213477217 U CN213477217 U CN 213477217U CN 202022279103 U CN202022279103 U CN 202022279103U CN 213477217 U CN213477217 U CN 213477217U
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Abstract
The utility model provides a novel connecting structure of a corner framework column top node, which acts on the top of a herringbone column framework and between two lattice type steel pipe crossbeams; the top of the herringbone column framework is provided with a steel plate support, two steel pipes at the bottom of the lattice type steel pipe cross beam are respectively provided with a steel cross beam base, and the steel cross beam bases are fixed on the steel plate support, so that the lattice type steel pipe cross beam is connected with the herringbone column framework; the two lattice type steel pipe cross beams are fixed on the herringbone column framework through the steel cross beam base, and the two lattice type steel pipe cross beams are adjacent to each other and are arranged at a vertical angle of 90 degrees; the utility model provides the high security of transformer substation's herringbone post framework.
Description
Technical Field
The utility model relates to a power equipment technical field, especially a novel connection structure of corner framework post top node.
Background
Two adjacent incoming and outgoing lines in the direction vertical to 90 degrees exist in the 500kV transformer substation, steel cross beams for hanging the lines need to be arranged in the direction vertical to 90 degrees, and the steel cross beams need to be crossed on a column top support of a corner herringbone frame; different voltage class wire safe distances are different, and 500kV framework large-span lattice formula steel crossbeam is more than 28m ~39m, and this makes suitable roof beam cross-section width size not less than 1.8m, causes the framework capital support width too big, and the beam load passes the eccentricity of framework post also very big, to the adverse effect of people's style of calligraphy framework post and capital structure atress, causes the waste of material, and is not pleasing to the eye.
The structural joint design of the prior art is a steel pipe herringbone column structural frame and a steel pipe cross beam, the rigid connection research is carried out at the joint, the cross section of the steel pipe cross beam is much smaller than that of a lattice type steel cross beam, a flange is reserved at a column top joint, the end of the steel pipe cross beam is provided with the flange, and the steel pipe cross beam is connected by adopting a high-strength bolt, so that the steel pipe herringbone column structural frame is small and exquisite, but has large steel consumption and is uneconomic.
Disclosure of Invention
In order to overcome the problems, the utility model aims to provide a novel connecting structure of corner framework post top node reduces the influence of steel crossbeam eccentricity to the word post, improves safe and reliable degree.
The utility model discloses a following scheme realizes: a novel connecting structure of a corner framework column top node acts on the top of a herringbone column framework and between two lattice type steel pipe cross beams; the top of the herringbone column framework is provided with a steel plate support, two steel pipes at the bottom of the lattice type steel pipe cross beam are respectively provided with a steel cross beam base, and the steel cross beam bases are fixed on the steel plate support, so that the lattice type steel pipe cross beam is connected with the herringbone column framework; the two steel lattice type pipe cross beams are fixed on the herringbone column framework through the steel cross beam base, and the two steel lattice type pipe cross beams are adjacent to each other to be arranged at a vertical angle of 90 degrees.
Furthermore, the steel beam base comprises a connecting bottom plate, a head plate and a first supporting plate are arranged at the front end and the rear end of the connecting bottom plate respectively, a second supporting plate is arranged on the connecting bottom plate and located between the head plate and the first supporting plate, a groove body is formed in the first supporting plate, the steel pipes of the lattice type steel pipe beam are erected on the groove body of the first supporting plate and the second supporting plate, and the tail portions of the steel pipes are fixed on the head plate.
Further, a plurality of connecting bolt holes are reserved in the steel plate support, screw holes are formed in the connecting base plate, and the steel plate support and the connecting base plate penetrate through the connecting bolt holes and the screw holes through bolts to be fixed.
Furthermore, the width of the cross section of one end of the lattice type steel pipe beam, which is close to the steel plate support, is gradually reduced.
Furthermore, a plurality of vertical rib plates are welded between the bottom of the steel plate support and the column body of the herringbone column framework, and horizontal stiffening plates are arranged at the lower ends of the plurality of vertical rib plates.
Furthermore, a steel flange is welded at the head of the column body of the herringbone column framework and is positioned above the steel plate support, and the steel flange can be connected with a steel ground wire column.
The beneficial effects of the utility model reside in that: in order to reduce the size of a steel plate support at the top of a herringbone column framework column and enhance the stress performance of a node, a variable cross-section beam is arranged at a section of 0 m-6 m of a lattice type steel pipe cross beam close to the steel plate support, the cross-section width is changed from 1.8m to 1.1m, and the variable cross-section beam is connected with the steel plate support, so that the size of the steel plate support can be reduced to a great extent, a small node connection structure of a corner column top is formed, the influence of the eccentricity of the steel cross beam on the herringbone column is reduced, a stiffening rib plate is additionally arranged, the node is safe, reliable, small and attractive, in addition, a steel cross beam base is fixed on the steel plate support, the lattice type steel pipe cross beam is connected with the herringbone column framework, the integral.
Drawings
Fig. 1 is a top view of two steel pipe beams and a herringbone column framework connected together through the connection structure of the present invention.
Fig. 2 is a schematic view of two steel pipe beams and a herringbone column framework connected together through the connection structure of the present invention.
Fig. 3 is a cross-sectional view a-a of fig. 2.
Fig. 4 is a cross-sectional view B-B of fig. 2.
Fig. 5 is a top view of a steel plate carrier with steel flanges.
FIG. 6 is a schematic view of the connection between the steel beam base and the steel tube.
Fig. 7 is a cross-sectional view of C-C in fig. 6.
Fig. 8 is a cross-sectional view of D-D in fig. 6.
Fig. 9 is a cross-sectional view F-F of fig. 6.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
Referring to fig. 1 and 2, a novel connecting structure 100 for a corner frame column top node of the present invention acts between the top of a herringbone column frame 1 and two lattice steel pipe beams 2; the top of the herringbone column framework 1 is provided with a steel plate support 3, two steel pipes 21 at the bottom of the lattice type steel pipe crossbeam 2 are respectively provided with a steel crossbeam base 4, and the steel crossbeam bases 4 are fixed on the steel plate support 3, so that the lattice type steel pipe crossbeam 2 is connected with the herringbone column framework 1; therefore, the integral structure of the steel cross beam and the herringbone column framework is firmer, and the safety is improved. The two lattice type steel pipe cross beams 2 are fixed on the herringbone column framework 1 through the steel cross beam base 4, and the two lattice type steel pipe cross beams 2 are adjacent to each other to be arranged at a vertical angle of 90 degrees.
As shown in fig. 6, 7, 8, and 9, the steel beam base 4 includes a connection bottom plate 41, a head plate 42 and a first support plate 43 are respectively disposed at the front end and the rear end of the connection bottom plate 41, a second support plate 44 is disposed on the connection bottom plate 41, the second support plate 44 is located between the head plate 42 and the first support plate 43, a groove body 45 is disposed on the first support plate 43, the steel pipes 21 of the lattice steel pipe beam 2 are erected on the first support plate groove body 45 and the second support plate 44, and the tail portions of the steel pipes 21 are fixed on the head plate 42. Therefore, the integral structure of the steel cross beam and the herringbone column framework is firmer.
As shown in fig. 5, a plurality of connecting bolt holes 31 are reserved on the steel plate support 3, screw holes 46 are formed in the connecting base plate 41, and the steel plate support 3 and the connecting base plate 41 are fixed by passing through the connecting bolt holes 31 and the screw holes 46 through bolts.
The cross section width of one end of the lattice type steel pipe cross beam 2 close to the steel plate support 3 is gradually reduced, namely a variable cross section beam is arranged at a section of 0 m-6 m close to the steel plate support, and the cross section width is changed from 1.8m to 1.1 m. The size of the steel plate support at the top of the herringbone column framework column is reduced, the node stress performance is enhanced, the size of the steel plate support can be reduced to a great extent, a small node connecting structure of the corner column top is formed, and the influence of the eccentricity of the steel cross beam on the herringbone column is reduced.
Referring to fig. 3 and 4, a plurality of vertical stiffening rib plates 5 are welded between the bottom of the steel plate support 3 and the column body 11 of the herringbone column framework 1, and horizontal stiffening plates 6 are arranged at the lower ends of the plurality of vertical stiffening rib plates 5. The stiffening rib plates are additionally arranged, so that the node is safe, reliable, small and attractive.
The steel flange 7 is welded at the head of a column body 11 of the herringbone column framework and is positioned above the steel plate support, and the steel flange can be connected with the steel ground wire column 8.
In a word, firstly, the utility model discloses be close to the steel sheet support about 6 meters scope with large-span lattice steel pipe crossbeam and adopt gradual change cross section width, by 1800mm gradual change to 1100mm, can realize the cylinder top little node connection structure of herringbone post framework 1, secondly, set up the steel sheet support on the steel framework area end props the herringbone post, and reserve the connecting bolt hole of lattice steel pipe crossbeam at the steel sheet support, make it can adopt M24 bolted connection with the base of steel crossbeam, in addition, weld and add 8mm thick vertical strength floor wherein below the steel sheet support, the steel sheet of some vertical strength floor is simultaneously as column cap shear force board and bears the shear force, increase the steel sheet of 8mm thick horizontal strength board at a plurality of vertical strength floor lower extremes; the column top forms an integral steel support under the combined action of the plurality of vertical stiffening rib plates and the horizontal stiffening plates, and the integral steel support has enough safety to bear the load transmitted from the steel pipe beam base; these form a complete herringbone capital connection node with end struts.
The above is only the preferred embodiment of the present invention, and all the equivalent changes and modifications made according to the claims of the present invention should be covered by the present invention.
Claims (6)
1. A novel connecting structure of a corner framework column top node acts on the top of a herringbone column framework and between two lattice type steel pipe cross beams; the method is characterized in that: the top of the herringbone column framework is provided with a steel plate support, two steel pipes at the bottom of the lattice type steel pipe cross beam are respectively provided with a steel cross beam base, and the steel cross beam bases are fixed on the steel plate support, so that the lattice type steel pipe cross beam is connected with the herringbone column framework; the two lattice type steel pipe cross beams are fixed on the herringbone column framework through the steel cross beam base, and the two lattice type steel pipe cross beams are adjacent to each other to be arranged at a vertical angle of 90 degrees.
2. The novel connecting structure of a corner framework column top node according to claim 1, characterized in that: the steel beam base comprises a connecting bottom plate, a head sealing plate and a first supporting plate are arranged at the front end and the rear end of the connecting bottom plate respectively, a second supporting plate is arranged on the connecting bottom plate and located between the head sealing plate and the first supporting plate, a groove body is formed in the first supporting plate, steel pipes of the lattice type steel pipe beam are erected on the groove body of the first supporting plate and the second supporting plate, and the tail portions of the steel pipes are fixed on the head sealing plate.
3. The novel connecting structure of a corner framework column top node according to claim 2, characterized in that: the steel plate support is provided with a plurality of connecting bolt holes in a reserved mode, the connecting base plate is provided with screw holes, and the steel plate support and the connecting base plate penetrate through the connecting bolt holes and the screw holes through bolts to be fixed.
4. The novel connecting structure of a corner framework column top node according to claim 1, characterized in that: the cross section width of one end of the lattice type steel pipe beam close to the steel plate support is gradually reduced.
5. The novel connecting structure of a corner framework column top node according to claim 1, characterized in that: a plurality of vertical rib plates are welded between the bottom of the steel plate support and the column body of the herringbone column framework, and horizontal stiffening plates are arranged at the lower ends of the vertical rib plates.
6. The novel connecting structure of a corner framework column top node according to claim 1, characterized in that: the steel flange is welded at the head of the column body of the herringbone column framework and located above the steel plate support, and the steel flange can be connected with the steel ground wire column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022279103.XU CN213477217U (en) | 2020-10-14 | 2020-10-14 | Novel connecting structure of corner framework column top node |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022279103.XU CN213477217U (en) | 2020-10-14 | 2020-10-14 | Novel connecting structure of corner framework column top node |
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| Publication Number | Publication Date |
|---|---|
| CN213477217U true CN213477217U (en) | 2021-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022279103.XU Active CN213477217U (en) | 2020-10-14 | 2020-10-14 | Novel connecting structure of corner framework column top node |
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| CN (1) | CN213477217U (en) |
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- 2020-10-14 CN CN202022279103.XU patent/CN213477217U/en active Active
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