CN217680904U - Bending-resistant and pulling-resistant multi-point type supporting insulation connection node of large steel pipe structure - Google Patents
Bending-resistant and pulling-resistant multi-point type supporting insulation connection node of large steel pipe structure Download PDFInfo
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- CN217680904U CN217680904U CN202220479408.1U CN202220479408U CN217680904U CN 217680904 U CN217680904 U CN 217680904U CN 202220479408 U CN202220479408 U CN 202220479408U CN 217680904 U CN217680904 U CN 217680904U
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Abstract
The utility model relates to a large-scale steel tubular construction bending resistance pulls out multipoint mode supporting insulation connected node, including corresponding annular upper flange (3) and lower flange (4) of fixing on last steel tubular construction (1) and lower steel tubular construction (2) respectively, upper flange (3) and lower flange (4) between arrange a plurality of insulators (5) along the hoop and form a plurality of supporting points, every supporting point department is fixed and exert the power of prestretching through insulating screw rod (6) the fastening that runs through upper flange (3), insulator (5) and lower flange (4) in proper order, insulator (5) bear pressure between upper flange (3) and lower flange (4), insulating screw rod (6) bear the pulling force between upper flange (3) and lower flange (4). Compared with the prior art, the utility model discloses avoided the processing and the purchase degree of difficulty of jumbo size insulator, had better resistance to compression, resistance to plucking, bending resistance.
Description
Technical Field
The utility model belongs to the technical field of the insulating connection technique among the structural engineering and specifically relates to a large-scale steel tubular construction bending resistance to plucking multipoint mode supporting insulation connected node is related to.
Background
At present, steel structures such as medium wave towers need to be in insulated connection with understructures or foundations due to electrical performance requirements. What adopt at present is mostly the connected mode who sets up insulator and crab-bolt at steel tubular structure center. The connection meets the requirements of electrical performance and the stress requirement of a steel structure connection node.
At present, the compression resistance is very high due to the adoption of the porcelain insulator, but the tensile resistance is only 10 percent of the compression resistance, and the connection node cannot bear the pulling force. In addition, because the anchor bolts are all arranged at the center of the steel pipe structure in the existing connection mode, the connection nodes have no bending resistance.
Along with the continuous improvement of the requirements of the structure height and the structure modeling, the section size of a steel structure member is larger or a node of pulling force and bending moment needs to be borne, the existing connection technology brings great challenges to the manufacturing and processing of the insulator and the requirement of the construction period, in order to meet the stress requirement, a large insulator is needed, and manufacturers capable of firing large insulators are few, and the period is long.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a large-scale steel pipe structure bending resistance to plucking multipoint mode supporting insulation connected node in order to overcome the defect that above-mentioned prior art exists to avoid large-scale insulator's use, broken up the whole into parts and adopt a plurality of small-size insulators, reduced the insulator and fired the degree of difficulty, shortened construction cycle, reduced the cost.
The purpose of the utility model can be realized through the following technical scheme:
a bending-resistant and pulling-resistant multi-point type supporting insulation connection node of a large steel pipe structure comprises an annular upper flange and an annular lower flange which are respectively fixed on an upper steel pipe structure and a lower steel pipe structure correspondingly, a plurality of insulators are arranged between the upper flange and the lower flange along the annular direction to form a plurality of supporting points, each supporting point is fastened and fixed through an insulation screw which sequentially penetrates through the upper flange, the insulators and the lower flange and exerts pretension force, the insulators bear the pressure between the upper flange and the lower flange, and the insulation screws bear the tension force between the upper flange and the lower flange.
Preferably, the insulators are uniformly distributed in the circumferential direction.
Preferably, the projections of the central points of the insulators are located on the same circumference.
Preferably, one or more insulating screws penetrate through each insulator, and two ends of each insulating screw are fixedly connected with the two flanges correspondingly.
Preferably, the insulating screw rod include the polymer insulator spindle, polymer insulator spindle both ends set up the metal linkage segment respectively, the polymer insulator spindle run through in the insulator along the axial, the metal linkage segment at both ends correspond to wear out last flange and lower flange fasten.
Preferably, the insulator is axially provided with a hole for the polymer insulating rod to pass through.
Preferably, one end of the metal connecting sections at the two ends is an enlarged head anchoring end, the other end of the metal connecting sections is a threaded end, one end of the insulating screw rod is fixed with any one of the upper flange and the lower flange through the enlarged head anchoring end, and the other end of the insulating screw rod is fixedly connected with the other flange through a nut and a thick gasket.
Preferably, the metal connecting sections at the two ends are threaded ends, and the two ends of the insulating screw are respectively and correspondingly fixedly connected with the two flanges through nuts and thick gaskets.
Preferably, a waterproof cover is arranged outside the connecting node.
Preferably, the cross-sectional shape of the insulator includes a circle and a rectangle.
Compared with the prior art, the utility model has the advantages of as follows:
(1) The utility model changes the insulator from the prior art insulator arranged at the center of the steel pipe structure to the annular arrangement at the periphery to form a multi-point supporting structure, and adopts the small insulator to replace the large insulator of the large steel pipe structure, thereby reducing the firing difficulty of the insulator, shortening the construction period and reducing the construction cost;
(2) The insulator bears pressure, and the insulating screw bears tension, so that the defect of poor tensile capability of the insulator in the prior art is avoided;
(3) The main body part of the insulating screw rod of the utility model is a high molecular insulating rod, the high molecular material has good resistance to pulling and bending, the defects that the connecting node in the prior art can only resist pressure, has poor resistance to pulling and cannot resist bending are overcome, and the resistance to compression, pulling and bending of the insulating connecting node is realized;
(4) The utility model discloses set up the buckler and avoid rainwater etc. to the adverse effect of connected node electrical performance.
Drawings
Fig. 1 is a schematic view of the whole structure of a bending-resistant and pulling-resistant multi-point type supporting insulated connection node of a large steel pipe structure of the present invention;
FIG. 2 is a top view of FIG. 1;
fig. 3 is a schematic structural view of the insulator;
FIG. 4 is a schematic view of the structure of an insulating screw rod;
in the figure, 1 is an upper steel pipe structure, 2 is a lower steel pipe structure, 3 is an upper flange, 4 is a lower flange, 5 is an insulator, 6 is an insulating screw rod, 7 is a nut, 8 is a thick gasket, 9 is a waterproof cover, 5.1 is a hole, 6.1 is a high-molecular insulating rod, 6.2 is a metal connecting section, 6.3 is an expanded head anchoring end, and 6.4 is a threaded end.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments. Note that the following description of the embodiments is merely an example in nature, and the present invention is not intended to limit the application or use thereof, and the present invention is not limited to the following embodiments.
As shown in fig. 1 and fig. 2, the present embodiment provides a bending-resistant and pulling-resistant multi-point supporting insulated connection node for a large steel pipe structure, which includes an annular upper flange 3 and an annular lower flange 4 respectively fixed on an upper steel pipe structure 1 and a lower steel pipe structure 2, wherein a plurality of insulators 5 are arranged between the upper flange 3 and the lower flange 4 along an annular direction to form a plurality of supporting points, the insulators 5 are uniformly distributed along the annular direction, and the central point projections of the insulators 5 are located on the same circumference.
Each supporting point is fastened and fixed through an insulating screw 6 which sequentially penetrates through the upper flange 3, the insulator 5 and the lower flange 4, pretension is applied, the insulator 5 bears the pressure between the upper flange 3 and the lower flange 4, and the insulating screw 6 bears the tension between the upper flange 3 and the lower flange 4.
As shown in fig. 4, the insulating screw 6 includes a polymer insulating rod 6.1, two ends of the polymer insulating rod 6.1 are respectively provided with a metal connecting section 6.2, the polymer insulating rod 6.1 axially penetrates through the insulator 5, and the metal connecting sections 6.2 at the two ends correspondingly penetrate through the upper flange 3 and the lower flange 4 for fastening. In this embodiment, one end of the metal connecting sections 6.2 at the two ends is an enlarged head anchoring end 6.3, the other end is a threaded end 6.4, one end of the insulating screw 6 is fixed with any one of the upper flange 3 and the lower flange 4 through the enlarged head anchoring end 6.3, and the other end of the insulating screw 6 fixedly connects the threaded end 6.4 with the other flange through the nut 7 and the thick gasket 8. As another embodiment, the metal connecting sections 6.2 at both ends are threaded ends 6.4, and both ends of the insulating screw 6 respectively and correspondingly fixedly connect the threaded ends 6.4 with the two flanges through nuts 7 and thick gaskets 8.
As shown in fig. 3, the insulator 5 is axially provided with a hole 5.1 for passing the polymer insulating rod 6.1. The cross-sectional shape of the insulator 5 comprises a circle, a rectangle and other shapes, and the insulator 5 can be made of ceramics or other insulating materials. In this embodiment, as shown in fig. 4, an insulator 5 having a rectangular cross section is used.
In another preferred embodiment, one or more insulating screws 6 are respectively inserted into each insulator 5, and both ends of each insulating screw 6 are respectively and fixedly connected with the two flanges.
In addition, the outside of the connecting node is provided with a waterproof cover, so that adverse effects of rainwater and the like on the electrical performance of the connecting node are avoided.
The utility model discloses large-scale steel tubular construction bending resistance to plucking multipoint formula supporting insulation connection node's construction includes following step:
a. respectively manufacturing an upper steel pipe structure 1, a lower steel pipe structure 2, an insulator 5, an insulating screw 6 made of high polymer materials, a thick gasket 7, a nut 8 and a waterproof cover 9 according to design requirements;
b. welding an upper flange 3 on the upper steel pipe structure 1, and welding a lower flange 4 on the lower steel pipe structure 2;
c. hoisting the upper steel pipe structure 1, and arranging and installing insulators 5 between the upper flange 3 and the lower flange 4;
d. sequentially penetrating an insulating screw 6 through a lower flange 4, an insulator 5 and an upper flange 3;
e. mounting a thick gasket 7 and a nut 8, and performing prestress tensioning on the insulating screw 6;
f. screwing the nut 8;
g. the waterproof cover 9 is installed.
The utility model relates to a large-scale steel pipe structure bending-resistant pulling-resistant multi-point type supporting insulation connection node can be widely used in structures such as medium wave launching towers adopting large-diameter steel pipes, thereby avoiding the use of large-scale insulators, reducing the firing difficulty of the insulators, shortening the construction period and lowering the manufacturing cost by adopting a plurality of small-scale insulators in a way of breaking the whole into parts; the insulators are annularly distributed on the periphery, the high-molecular insulating screw rods are adopted in the insulators, the characteristic that insulating connection can only be used as hinged connection and the resistance to pulling is poor is changed, a multi-point type supporting insulating connection node capable of resisting pressure, bending and pulling is formed, and due to the adoption of the plurality of insulators, the bearing capacity is reduced slightly in the insulator replacement process, and the construction safety is improved.
The above embodiments are merely examples and do not limit the scope of the present invention. These embodiments may be implemented in other various manners, and various omissions, substitutions, and changes may be made without departing from the technical spirit of the present invention.
Claims (10)
1. The bending-resistant and pulling-resistant multi-point type supporting insulation connection node of the large-scale steel pipe structure is characterized by comprising an annular upper flange (3) and an annular lower flange (4) which are respectively and correspondingly fixed on an upper steel pipe structure (1) and a lower steel pipe structure (2), wherein a plurality of insulators (5) are arranged between the upper flange (3) and the lower flange (4) along the annular direction to form a plurality of supporting points, each supporting point is fastened and fixed through an insulation screw (6) which sequentially penetrates through the upper flange (3), the insulators (5) and the lower flange (4) and exerts pretension force, the insulators (5) bear the pressure between the upper flange (3) and the lower flange (4), and the insulation screw (6) bear the tension force between the upper flange (3) and the lower flange (4).
2. The bending-resistant and pulling-resistant multi-point supporting insulation connection node for the large-scale steel pipe structure according to claim 1, wherein the insulators (5) are uniformly distributed in the circumferential direction.
3. The bending-resistant and pulling-resistant multi-point supporting insulation connection node for the large-scale steel pipe structure according to claim 1, wherein the projections of the center points of the insulators (5) are located on the same circumference.
4. The bending-resistant and pulling-resistant multi-point supporting insulation connection node of a large steel pipe structure according to claim 1, wherein one or more insulation screws (6) respectively penetrate through each insulator (5), and two ends of each insulation screw (6) are respectively and correspondingly fixedly connected with the two flanges.
5. The bending-resistant and pulling-resistant multi-point supporting insulation connection node of a large steel pipe structure according to claim 1, wherein the insulation screw (6) comprises a polymer insulation rod (6.1), metal connection sections (6.2) are respectively arranged at two ends of the polymer insulation rod (6.1), the polymer insulation rod (6.1) axially penetrates through the insulator (5), and the metal connection sections (6.2) at the two ends correspondingly penetrate through the upper flange (3) and the lower flange (4) for fastening.
6. The bending-resistant and pulling-resistant multi-point supporting insulation connection node of a large steel pipe structure according to claim 5, wherein the insulator (5) is axially provided with a hole (5.1) for a polymer insulation rod (6.1) to penetrate through.
7. The bending-resistant and pulling-resistant multi-point supporting insulation connection node of a large steel pipe structure according to claim 5, wherein one end of the metal connection sections (6.2) at the two ends is an enlarged head anchoring end (6.3), the other end of the metal connection sections is a threaded end (6.4), one end of the insulation screw (6) is fixed with any one of the upper flange (3) and the lower flange (4) through the enlarged head anchoring end (6.3), and the other end of the insulation screw (6) fixedly connects the threaded end (6.4) with the other flange through a nut (7) and a thick gasket (8).
8. The bending-resistant and pulling-resistant multi-point supporting insulation connection node of a large steel pipe structure according to claim 5, wherein the metal connection sections (6.2) at both ends are both threaded ends (6.4), and both ends of the insulation screw (6) are respectively and correspondingly fixedly connected with the threaded ends (6.4) and the two flanges through nuts (7) and thick gaskets (8).
9. The multi-point supporting-insulating connection node for bending and pulling resistance of a large steel pipe structure according to claim 1, wherein a waterproof cover is arranged outside the connection node.
10. The multi-point supporting-insulating connection node for bending and pulling resistance of a large steel pipe structure according to claim 1, wherein the cross-sectional shape of the insulator (5) comprises a circle and a rectangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220479408.1U CN217680904U (en) | 2022-03-07 | 2022-03-07 | Bending-resistant and pulling-resistant multi-point type supporting insulation connection node of large steel pipe structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220479408.1U CN217680904U (en) | 2022-03-07 | 2022-03-07 | Bending-resistant and pulling-resistant multi-point type supporting insulation connection node of large steel pipe structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217680904U true CN217680904U (en) | 2022-10-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220479408.1U Active CN217680904U (en) | 2022-03-07 | 2022-03-07 | Bending-resistant and pulling-resistant multi-point type supporting insulation connection node of large steel pipe structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217680904U (en) |
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2022
- 2022-03-07 CN CN202220479408.1U patent/CN217680904U/en active Active
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