CN220318800U - Cast steel node with through main pipe - Google Patents
Cast steel node with through main pipe Download PDFInfo
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- CN220318800U CN220318800U CN202321430826.2U CN202321430826U CN220318800U CN 220318800 U CN220318800 U CN 220318800U CN 202321430826 U CN202321430826 U CN 202321430826U CN 220318800 U CN220318800 U CN 220318800U
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- 229910001208 Crucible steel Inorganic materials 0.000 title claims abstract description 32
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
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Abstract
The utility model provides a cast steel node with a through main pipe, which can meet the design requirement of a large-span curved surface, further improve the bearing capacity of the cast steel node and reduce the node stress, wherein the cast steel node comprises a hollow sphere, a first main pipe, a seventh main pipe and a plurality of branch pipes, a hollow cavity is arranged in the hollow sphere, and the hollow cavity consists of 1 spherical cavity and 4 sector cavities distributed in an annular array based on the spherical centers of the spherical cavities; the diameter of the hollow sphere is 450mm, the diameter of the spherical cavity is 250mm, the diameter of the fan-shaped cavity is 370mm, and the interval of each fan-shaped cavity is 40mm; the first main pipe and the seventh main pipe are oppositely provided with a first main pipe and a seventh main pipe which are overlapped on the basis of the spherical center and pass through the spherical center, and the upper parts of the first main pipe and the seventh main pipe are respectively provided with a first lifting lug and a second lifting lug; a first cylindrical cavity with the inclination of 4 degrees is arranged in the first main pipe, and a seventh cylindrical cavity with the inclination of 4 degrees is arranged in the seventh main pipe; the branch pipes are arranged at the upper part and the lower part of the hollow sphere which is divided by the first main pipe and the seventh main pipe in a dispersing way.
Description
Technical Field
The utility model relates to the field of cast steel nodes, in particular to a cast steel node with a through main pipe.
Background
The cast steel node is a core structure for the intersection part of multiple rods in a large-span truss structure, is generally a cast steel part formed by integral casting, and has the characteristics of attractive appearance, smoothness, reasonable stress and the like. Cast steel joints are now not available in the construction of railway stations, high-speed rail stations, airports, stadiums, large buildings.
Original cast steel node, it has a person in charge and many branch pipes are constituteed, but because the complex space structure that the rack truss combines increases, single person in charge's mode no longer accords with the design demand of large-span curved surface.
Disclosure of Invention
The utility model aims to provide a cast steel node with a through main pipe, which can meet the design requirement of a large-span curved surface, further improve the bearing capacity of the cast steel node and reduce the node stress.
Embodiments of the present utility model are implemented as follows:
the cast steel node comprises a hollow sphere, a first main pipe, a seventh main pipe and a plurality of branch pipes, wherein a hollow cavity is arranged in the hollow sphere, and the hollow cavity is formed by 1 spherical cavity and 4 fan-shaped cavities distributed in an annular array based on the spherical centers of the spherical cavities; the diameter of the hollow sphere is 450mm, the diameter of the spherical cavity is 250mm, the diameter of the fan-shaped cavity is 370mm, and the interval of each fan-shaped cavity is 40mm; the first main pipe and the seventh main pipe are oppositely provided with a first main pipe and a seventh main pipe which are overlapped on the basis of the spherical center and pass through the spherical center, and the upper parts of the first main pipe and the seventh main pipe are respectively provided with a first lifting lug and a second lifting lug; a first cylindrical cavity with the inclination of 4 degrees is arranged in the first main pipe, and a seventh cylindrical cavity with the inclination of 4 degrees is arranged in the seventh main pipe; the branch pipes are arranged at the upper part and the lower part of the hollow sphere which is divided by the first main pipe and the seventh main pipe in a dispersing way.
In a preferred embodiment of the present utility model, the upper portion of the hollow sphere is provided with 4 branch pipes, namely, a second branch pipe, a third branch pipe, a fifth branch pipe and a tenth branch pipe, the axis projections of the second branch pipe and the third branch pipe are coincident, the axis projection included angle of the fifth branch pipe and the seventh main pipe is 7 degrees, and the axis projection included angle of the tenth branch pipe and the seventh main pipe is 90 degrees.
In a preferred embodiment of the utility model, round hole surfaces of the first lifting lug and the second lifting lug are taken as front views, and an included angle between axes of the second branch pipe and the third branch pipe is 29 degrees; the included angle of the axes of the fifth branch pipe and the seventh main pipe is 45 degrees, and the included angle of the axes of the tenth branch pipe and the seventh main pipe is 109 degrees.
In a preferred embodiment of the utility model, the side surfaces of the first lifting lug and the second lifting lug are taken as side views, and the axial included angle of the second branch pipe and the third branch pipe is 53 degrees; the included angle between the axes of the fifth branch pipe and the seventh main pipe is 73 degrees; the included angle of the axes of the tenth branch pipe and the seventh main pipe is 39 degrees.
In a preferred embodiment of the utility model, the lower part of the hollow sphere is provided with 4 branch pipes, namely a fourth branch pipe, a sixth branch pipe, an eighth branch pipe and a ninth branch pipe, the axial projections of the fourth branch pipe and the eighth branch pipe are overlapped, the axial projections of the sixth branch pipe and the third branch pipe are overlapped, the axial projection included angle of the fourth branch pipe and the sixth branch pipe is 29 degrees, and the axial projections of the ninth branch pipe and the tenth branch pipe are overlapped.
In a preferred embodiment of the present utility model, in front view, the projection angle of the axes of the sixth branch pipe and the seventh main pipe is 77 °, the projection angle of the axes of the sixth branch pipe and the eighth branch pipe is 11 °, the projection angle of the axes of the eighth branch pipe and the fourth branch pipe is 12 °, and the projection angle of the axes of the fourth branch pipe and the ninth branch pipe is 23 °.
In a preferred embodiment of the utility model, the projection angles of the axes of the first main pipe and the fourth branch pipe are 45 degrees in a side view projection; the projection included angle of the axes of the fourth branch pipe and the sixth branch pipe is 5 degrees; the axis projection included angle of the sixth branch pipe and the eighth branch pipe is 25 degrees; the projection included angle of the axes of the eighth branch pipe and the ninth branch pipe is 71 degrees.
The embodiment of the utility model has the beneficial effects that: the cast steel joint is provided with the hollow sphere, two through main pipes with axes passing through the sphere center are arranged on two sides of the hollow sphere, and then the upper spherical surface and the lower spherical surface which are taken as the boundary of the two main pipes are distributed with the plurality of branch pipes in a dispersed manner, so that the cast steel joint can meet the design of a large-span curved surface, can play a role of middle support, and has high strength and relatively light weight.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic top view of a cast steel node according to an embodiment of the present utility model;
FIG. 2 is a schematic view of a front structure of a cast steel node according to an embodiment of the present utility model;
FIG. 3 is a schematic side view of a cast steel node according to an embodiment of the present utility model;
icon: a hollow sphere 0; a first main pipe 1; a second branch pipe 2; a third branch pipe 3; a fourth branch pipe 4; a fifth branch pipe 5; a sixth branch pipe 6; a seventh main pipe 7; an eighth branch pipe 8; and a ninth branch pipe 9.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal," "vertical," "overhang," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
First embodiment
Referring to fig. 1-3, the present embodiment provides a cast steel node with a through main pipe, the cast steel node includes a hollow sphere 0, a first main pipe 1, a seventh main pipe 7 and a plurality of branch pipes, the hollow sphere 0 is used as a connection point, the connection between the pipes is smooth, and the strain of the node is reduced; 2 opposite first main pipes 1 and seventh main pipes 7 are arranged on the hollow sphere 0, the inner cylindrical cavity of the hollow sphere is communicated with the spherical cavity, and when in welding, connecting columns are plugged into the hollow sphere from the cylindrical cavity and then welded, so that the stability of cast steel joints is improved; a plurality of branch pipes are provided at the upper and lower parts of the main pipe 1 and the seventh main pipe 7, which correspond to the curved surface support, and can satisfy the upper and lower welding support of the curved surface.
Specifically, a hollow cavity is arranged in the hollow sphere 0, and the hollow cavity is formed by 1 spherical cavity and 4 sector cavities distributed in an annular array based on the spherical center of the spherical cavity; the diameter of the hollow sphere 0 is 450mm, the diameter of the spherical cavity is 250mm, the diameter of the fan-shaped cavity is 370mm, and the interval of each fan-shaped cavity is 40mm.
The first main pipe 1 and the seventh main pipe 7 are oppositely provided with the first main pipe 1 and the seventh main pipe 7 which are overlapped in axis and pass through the sphere center based on the sphere center, and the upper parts of the first main pipe 1 and the seventh main pipe 7 are respectively provided with a first lifting lug and a second lifting lug; a first cylindrical cavity with a gradient of 4 degrees is arranged in the first main pipe 1, a seventh cylindrical cavity with a gradient of 4 degrees is arranged in the seventh main pipe 7, the diameter of the first/seventh main pipe 7 is 219mm, and the maximum diameter of the first/seventh cylindrical cavity is 155mm.
The branch pipes are provided in a dispersed manner in the upper and lower portions of the hollow sphere 0 defined by the first main pipe 1 and the seventh main pipe 7.
Specifically, 4 branch pipes, namely a second branch pipe, a third branch pipe, a fifth branch pipe and a tenth branch pipe, are arranged at the upper part of the hollow sphere 0, the axis projection of the second branch pipe 2 and the axis projection of the third branch pipe 3 are overlapped, the included angle of the axis projection of the fifth branch pipe and the axis projection of the seventh main pipe 7 is 7 degrees, and the included angle of the axis projection of the tenth branch pipe and the axis projection of the seventh main pipe 7 is 90 degrees.
Taking the round hole surfaces of the first lifting lug and the second lifting lug as front views, wherein the axial included angle of the second branch pipe 2 and the third branch pipe 3 is 29 degrees; the axis angle of the fifth branch pipe 5 and the seventh main pipe 7 is 45 degrees, and the axis angle of the tenth branch pipe 10 and the seventh main pipe 7 is 109 degrees.
Taking the side surfaces of the first lifting lug 001 and the second lifting lug 002 as side views, and forming an included angle of 53 degrees between the axes of the second branch pipe 2 and the third branch pipe 3; the axial included angle between the fifth branch pipe 5 and the seventh main pipe 7 is 73 degrees; the axis angle of the tenth branch pipe 10 and the seventh main pipe 7 is 39 °.
The diameter of the second/third/fifth branch pipe 5 is 114mm, a round bottom cylindrical groove with the inclination of 2 DEG is arranged in the second/third/fifth branch pipe 5, and the maximum diameter of the round bottom cylindrical groove is 64mm; the diameter of the tenth branch pipe 10 is 159mm, a round bottom cylindrical groove with inclination of 2 degrees is arranged in the tenth branch pipe 10, and the maximum diameter of the round bottom cylindrical groove is 109mm;
the lower part of the hollow sphere 0 is provided with 4 branch pipes, namely a fourth branch pipe 4, a sixth branch pipe 6, an eighth branch pipe 8 and a ninth branch pipe 9, the axis projections of the fourth branch pipe 8 and the eighth branch pipe 8 are overlapped, the axis projections of the sixth branch pipe 6 and the third branch pipe 3 are overlapped, the included angle of the axis projections of the fourth branch pipe 6 and the sixth branch pipe 6 is 29 degrees, and the axis projections of the ninth branch pipe 9 and the tenth branch pipe 10 are overlapped.
In front view, the included angle of axis projection of the sixth branch pipe 6 and the seventh main pipe 7 is 77 °, the included angle of axis projection of the sixth branch pipe 6 and the eighth branch pipe 8 is 11 °, the included angle of axis projection of the eighth branch pipe 8 and the fourth branch pipe 4 is 12 °, and the included angle of axis projection of the fourth branch pipe 4 and the ninth branch pipe 9 is 23 °.
The projection angle of the axes of the first main pipe 1 and the fourth branch pipe 4 is 45 degrees in side view projection; the projection included angle of the axes of the fourth branch pipe 4 and the sixth branch pipe 6 is 5 degrees; the included angle of the axis projection of the sixth branch pipe 6 and the eighth branch pipe 8 is 25 degrees; the projection angles of the axes of the eighth branch pipe 8 and the ninth branch pipe 9 are 71 degrees.
The maximum diameter of the fourth branch pipe 4 is 219mm, a round bottom cylindrical groove with the inclination of 2 degrees is arranged in the fourth branch pipe 4, and the maximum diameter of the round bottom cylindrical groove is 155mm; the maximum diameter of the sixth/ninth branch pipe 9 is 114mm, and a round-bottom cylindrical groove with the inclination of 2 degrees is arranged in the sixth/ninth branch pipe 9, and the maximum diameter of the round-bottom cylindrical groove is 64mm; the maximum diameter of the eighth branch pipe 8 is 180mm, and a round bottom cylindrical groove with a slope of 2 degrees is arranged in the eighth branch pipe 8, and the maximum diameter of the round bottom cylindrical groove is 116mm.
The distance from the end face of the fourth/sixth/eighth branch pipe to the sphere center is 995mm; the other main/branch pipe is 620mm from the center of sphere.
In summary, the hollow sphere 0 is arranged at the cast steel node, two through main pipes with axes passing through the sphere center are arranged at two sides of the hollow sphere 0, and then a plurality of branch pipes are distributed on the upper spherical surface and the lower spherical surface which are defined by the two main pipes in a dispersed manner, so that the cast steel node can meet the design of a large-span curved surface, can play a role in middle support, and has high strength and relatively light weight.
This description describes examples of embodiments of the utility model and is not intended to illustrate and describe all possible forms of the utility model. It should be understood that the embodiments in the specification may be embodied in many alternate forms. The figures are not necessarily to scale; some features may be exaggerated or minimized to show details of particular components. Specific structural and functional details disclosed are not to be interpreted as limiting, but merely as a representative basis for teaching one skilled in the art to variously employ the present utility model. Those skilled in the art will appreciate that a plurality of features illustrated and described with reference to any one drawing may be combined with features illustrated in one or more other drawings to form embodiments not explicitly illustrated or described. The illustrated combination of features provides representative embodiments for typical applications. However, various combinations and modifications of the features consistent with the teachings of the present utility model may be used in particular applications or implementations as desired.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (7)
1. A cast steel node having a through-going main pipe, the cast steel node comprising:
the hollow sphere is internally provided with a hollow cavity, and the hollow cavity comprises 1 spherical cavity and 4 fan-shaped cavities distributed in an annular array based on the spherical center of the spherical cavity; the diameter of the hollow sphere is 450mm, the diameter of the spherical cavity is 250mm, the diameter of the fan-shaped cavity is 370mm, and the interval of each fan-shaped cavity is 40mm;
the first main pipe and the seventh main pipe are oppositely arranged based on the spherical centers, the axes of the first main pipe and the seventh main pipe are overlapped and pass through the spherical centers, and the upper parts of the first main pipe and the seventh main pipe are respectively provided with a first lifting lug and a second lifting lug; a first cylindrical cavity with the inclination of 4 degrees is arranged in the first main pipe, and a seventh cylindrical cavity with the inclination of 4 degrees is arranged in the seventh main pipe;
and branch pipes which are arranged at the upper part and the lower part of the hollow sphere which are divided by the first main pipe and the seventh main pipe in a dispersing way.
2. Cast steel node with through main pipe according to claim 1, characterized in that the upper part of the hollow sphere is provided with 4 branch pipes, respectively a second, a third, a fifth and a tenth branch pipe, the second and third branch pipe axis projections coincide, the fifth and seventh main pipe axis projection angle is 7 °, the tenth branch pipe axis projection angle is 90 °.
3. The cast steel node with through main pipe according to claim 2, wherein the included angle of the axes of the second branch pipe and the third branch pipe is 29 °; the included angle of the axes of the fifth branch pipe and the seventh main pipe is 45 degrees, and the included angle of the axes of the tenth branch pipe and the seventh main pipe is 109 degrees.
4. A cast steel node with a through main pipe according to claim 3, characterized in that the included angle of the axes of the second and third branch pipes is 53 °; the included angle between the axes of the fifth branch pipe and the seventh main pipe is 73 degrees; the axis included angle of the tenth branch pipe and the seventh main pipe is 39 degrees.
5. Cast steel node with a through main pipe according to claim 1, characterized in that the lower part of the hollow sphere is provided with 4 branches, a fourth, a sixth, an eighth and a ninth branch, respectively, the axis projections of the fourth and eighth branch coincide, the axis projections of the sixth branch and the third branch coincide, the axis projections of the fourth and sixth branch have an included angle of 29 °, and the axis projections of the ninth branch and the tenth branch coincide.
6. The cast steel node with through main pipe according to claim 5, wherein the projection angle of the axes of the sixth and seventh main pipes is 77 °, the projection angle of the axes of the sixth and eighth branch pipes is 11 °, the projection angle of the axes of the eighth and fourth branch pipes is 12 °, and the projection angle of the axes of the fourth and ninth branch pipes is 23 °.
7. The cast steel node with through main pipe according to claim 6, wherein the projected angle of the axes of the first main pipe and the fourth branch pipe is 45 °; the axis projection included angle of the fourth branch pipe and the sixth branch pipe is 5 degrees; the axis projection included angle of the sixth branch pipe and the eighth branch pipe is 25 degrees; and the projection included angle of the axes of the eighth branch pipe and the ninth branch pipe is 71 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321430826.2U CN220318800U (en) | 2023-06-06 | 2023-06-06 | Cast steel node with through main pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321430826.2U CN220318800U (en) | 2023-06-06 | 2023-06-06 | Cast steel node with through main pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220318800U true CN220318800U (en) | 2024-01-09 |
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ID=89421196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321430826.2U Active CN220318800U (en) | 2023-06-06 | 2023-06-06 | Cast steel node with through main pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220318800U (en) |
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2023
- 2023-06-06 CN CN202321430826.2U patent/CN220318800U/en active Active
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