CN210117801U - Truss connection node, truss structure and roof - Google Patents
Truss connection node, truss structure and roof Download PDFInfo
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- CN210117801U CN210117801U CN201920592511.5U CN201920592511U CN210117801U CN 210117801 U CN210117801 U CN 210117801U CN 201920592511 U CN201920592511 U CN 201920592511U CN 210117801 U CN210117801 U CN 210117801U
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Abstract
The utility model relates to a steel construction technical field, the utility model provides a truss connection node, truss structure and roof, truss connection node includes structure post and picture peg, the picture peg runs through in the structure post, the picture peg includes interior portion and extension, be provided with the tie-beam on the extension, be provided with grafting portion on the tie-beam, the tie-beam passes through grafting portion and extension butt joint, the transmission of power between tie-beam and the structure post is realized with the welding seam of structure post through picture peg and tie-beam, it is direct to pass power, the bearing capacity is big, high strength, the pipe diameter or the wall thickness that need to strengthen the junction pipe wall because of passing through node strength is not enough mutually has been solved, change the cost that cast steel node etc. caused even into to increase, the troublesome scheduling problem of preparation, compare conventional welded scheme mutually simultaneously, can reduce the welding degree of difficulty, the. The truss structure with the truss connecting node and the roof with the truss structure also have the beneficial effects.
Description
Technical Field
The utility model relates to a steel construction technical field especially relates to a truss connection node, truss structure and roof.
Background
In a roof steel structure, a truss connecting node is an important structure stressed and borne, the connection reliability of the node is an important measure for ensuring the stability of the steel structure, an upper chord member and a lower chord member are usually installed in a penetration welding mode, but for the chord member with a large span, the strength of the penetration node is difficult to meet the requirement. In this case, to increase the bearing capacity at this location, the pipe diameter or wall thickness of the pipe wall at the connection location is generally increased, and cast steel nodes may be used instead. The former causes the increase of a section interface and the stress concentration of a connection position, so that the welding difficulty is high and the construction time is long; the latter has higher cost and long production period, thereby causing the increase of the construction cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a truss connection node that intensity is high, be convenient for construction to a truss structure who has this truss connection node is provided, and the room lid that has this truss structure.
In one aspect of the embodiment of the utility model, a truss connection node is provided, including structure post and picture peg, the picture peg runs through the structure post, the picture peg includes built-in portion and overhang, the built-in portion is located inside the structure post, the overhang stretches out from the outer wall surface of structure post; the structure column is characterized in that the extension portion is provided with a connecting beam, the connecting beam is provided with a splicing portion, the connecting beam is in butt joint with the extension portion through the splicing portion, the edge of the splicing portion is fixedly connected with the joint of the extension portion, and the end portion of the connecting beam is fixedly connected with the outer surface of the structure column.
As an improvement of the technical scheme, the edge of the inner part is attached to the inner wall of the structural column.
As a further improvement of the technical scheme, the inner part and the outward extending part are of an integral structure, and the inserting plate is bent along a vertical axis on the inner part.
As a further improvement of the above technical solution, the overhang includes a first overhang and a second overhang, the first overhang and the second overhang are respectively located at two sides of the inner portion, the first overhang includes a pair of side edges parallel to each other and an outer edge connecting the side edges, and the side edges form a set included angle α with the vertical axis as an acute angle.
As a further improvement of the technical scheme, the structural column comprises a main column body and a bracket beam connected to the outer side of the main column body, and the inserting plate penetrates through the bracket beam.
As a further improvement of the above technical solution, the bracket beam is of a box-shaped structure, the web plates on both sides of the bracket beam are respectively provided with an insert plate opening hole for the overhang portion to pass through, and the overhang portion of the insert plate extends out of the outer surface of the bracket beam from the insert plate opening hole.
As a further improvement of the technical scheme, inner baffles are respectively arranged on two sides of the inserting plate in the bracket beam, and two side edges of each inner baffle are respectively fixedly connected with the inner wall of a beam web of the bracket beam.
As a further improvement of the above technical solution, two side edges of each inner partition board respectively correspond to the two side edges of the insert board of the connecting beam.
As a further improvement of the technical scheme, a vertical stiffening plate is arranged inside the main column body, and one side edge of the vertical stiffening plate corresponds to the joint of the bracket beam and the outer side of the main column body and is fixedly connected with the inner wall of the main column body.
The embodiment of the utility model provides a on the other hand provides a truss structure, including first upper chord, second upper chord and foretell truss connection node, first upper chord with the terminal surface of second upper chord respectively with the terminal surface rigid coupling of tie-beam.
The embodiment of the utility model provides an on the other hand still provides a roof, including foretell truss structure.
The technical scheme at least has the following advantages or beneficial effects:
the truss connecting node comprises a structural column and an inserting plate, the inserting plate penetrates through the structural column, the inserting plate comprises an internal part and an external extension part, the internal part is positioned in the structural column, and the external extension part extends out of the surface of the outer wall of the structural column; be provided with the tie-beam on the extension portion, be provided with grafting portion on the tie-beam, the tie-beam passes through grafting portion and extension portion butt joint, the border of grafting portion and the junction rigid coupling of extension portion, the tip of tie-beam and the surface rigid coupling of structure post, the transmission of power between tie-beam and the structure post is realized through the welding seam of picture peg and tie-beam and structure post, it is direct to pass power, the bearing capacity is big, high strength, solved because of passing through the not enough pipe diameter or the wall thickness that need strengthen the junction pipe wall of node intensity mutually, change the cost that cast steel node etc. caused even into and increase, the troublesome scheduling problem of preparation, compare conventional looks through welded scheme simultaneously, can reduce the welding degree of difficulty, be convenient for site operation. The truss structure with the truss connecting node and the roof with the truss structure also have the beneficial effects.
Drawings
In order to more clearly illustrate the technical solution in the embodiments of the present invention, the following will briefly explain the drawings required to be used in the description of the embodiments:
FIG. 1 is a schematic structural view of one embodiment of a truss attachment node;
FIG. 2 is a schematic cross-sectional view taken along line 1a-1a in FIG. 1;
FIG. 3 is a schematic cross-sectional view taken along line 1b-1b in FIG. 1;
FIG. 4 is a schematic cross-sectional view taken along line 1c-1c of FIG. 1;
FIG. 5 is a schematic partial cross-sectional view of an embodiment at an interposer;
figure 6 is a schematic view of one embodiment of a board.
Detailed Description
The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. In addition, all the connection/connection relations referred to in the patent do not mean that the components are directly connected, but mean that a better connection structure can be formed by adding or reducing connection auxiliary components according to specific implementation conditions. The upper, lower, left, right and other directions of the present invention are only described with respect to the mutual position relationship of the components of the present invention in the drawings. The utility model provides an each technical feature can the interactive combination under the prerequisite of conflict each other.
FIG. 1 is a schematic structural view of one embodiment of a truss attachment node; FIG. 2 is a schematic cross-sectional view taken along line 1a-1a in FIG. 1; FIG. 3 is a schematic cross-sectional view taken along line 1b-1b in FIG. 1; fig. 4 is a schematic sectional view of fig. 1c-1c, and referring to fig. 1 to 4, the truss structure provided by an embodiment of the present invention includes a plurality of chords and truss connection nodes 200, and ends of the chords are connected to the truss connection nodes 200. Of course, the truss connection node 200 may also be used to connect members such as cantilever beams.
Referring to fig. 5, in order to facilitate the observation of the edges of the insert plates 240, the insert plates 240 have been filled with dotted lines, and the edges of the built-in portions 242 of the insert plates 240 abut against the inner walls of the structural columns 220, thereby achieving the force transmission between the insert plates 240 and the structural columns 220 and contributing to the strength at the truss connection nodes.
Referring to fig. 4 and 6, the built-in portion 242 and the extended portion 244 of the insert plate 240 may be provided as an integral structure, blanking is performed during processing, reliability of connection of the insert plate 240 to the structural column 220 may be improved, the insert plate 240 may be bent along a vertical axis on the built-in portion 242 to form a special-shaped bent plate, which may be adapted to installation of a chord having a set lateral angle, the specific bending angle may be set according to a lateral angle required by the chord, in a specific implementation, the insert plate 240 may be extended from outer wall surfaces of both sides of the structural column 220 to form extended portions on both sides of the structural column 220, the extended portion 244 may include a first extended portion 2442 and a second extended portion 2444, the first extended portion 2442 and the second extended portion 2444 may be respectively located on both sides of the built-in portion 242, the first extended portion 2442 may include a pair of side edges parallel to each other and an outer edge connecting side edge, the side edges may form an acute angle α with the vertical axis, such that after installation of the insert plate 240, a central line of the first extended portion may be inclined upward with respect to the vertical direction, and the horizontal direction of the truss may be difficult to form a connection of a truss, and may be suitable for reducing the strength of a connection of a truss, which may cause a connection of a truss, and may be difficult to be easily caused by a horizontal connection of a truss, and may be difficult to be easily caused by a horizontal connection of a truss, such as a horizontal connection of a truss bar, which may be difficult to be easily welded connection of a truss bar, and a connection of a truss bar, which may be difficult to be easily welded connection of a truss bar, such as a connection of a truss bar, and a connection bar.
At the truss connection node 200, the reserved length D of the connection beams 260 and 260' is greater than the length D of the overhanging portion 244 of the insertion plate 240, and D can be set to be greater than or equal to 200+ 0.5-1.0D.
Referring to fig. 2 to 4, the structural column 220 includes a main column body 222 and leg beams 224 connected to the outer sides of both sides of the main column body 222, the leg beams 224 are used for connecting the chords and transferring loads from the chords, the insert plate 240 penetrates through the leg beams 224, so that the structural column is suitable for installation of two chords having a larger distance between the chords than the main column body 222, the leg beams 224 can be configured as a box-shaped structure, insert plate openings 2242 for the extension portions 244 to pass through are respectively formed in two side beam webs 2244 of the leg beams 224, the extension portions 244 of the insert plate 240 respectively extend out of the outer surfaces of the leg beams 224 from the insert plate openings 2242, and the insert plate 240 and the insert plate openings 2242 can be welded and fixed. The edges of the built-in parts 242 of the insertion plates 240 abut against the inner wall of the bracket beam 224, so that the force transmission of the insertion plates 240 and the bracket beam 224 is realized, and the strength of the connection nodes of the truss is enhanced. During construction, the web 2244 of one side of the bracket beam 224 and the upper and lower box boards are assembled, the insert plate 240 is installed and fixed, and then the web 2244 of the other side is sealed and the insert plate 240 and the web 2244 of the side beam are welded and fixed.
The two side edges of each inner partition 2246 respectively correspond to the two side edges of the connecting beams 260 and 260 ' located on the insert plate 240, as shown in fig. 4, in this embodiment, the upper chord of the cross frame structure is a tubular structure, the chord connected to the left side of the bracket beam 224 is the upper chord of the main truss, the chord connected to the right side is the upper chord of the truss (or the upper chord of the cantilever beam or the cantilever beam, etc.), the pipe diameter of the chord connected to the left side is greater than the pipe diameter of the chord connected to the right side for different load-bearing connections, so that the connecting beams 260 and 260 ' of the corresponding pipe diameters are disposed on both sides to connect with the corresponding upper chords, and the two sides of the inner partition 2246 respectively correspond to the joints between the connecting beams 260 and 260 ' and the bracket beam 224, so that the inner partition 2246 is disposed in an inclined manner in the view direction shown in fig. 4, which can enhance the load-bearing capacity of the joints between the connecting beams 260 and 224. In specific implementation, the inner partition 2246 may be disposed in other arrangement structures according to different sizes of the connected chords, for example, the inner partition 2246 may be disposed in parallel or perpendicular to the beam webs 2244 on both sides of the bracket beam 224, so as to achieve the purpose of reinforcing the load.
The vertical stiffener 226 is disposed inside the main column 222 to enhance tensile, compressive and torsional properties of the joint between the main column 222 and the corbel beam 224, as shown in fig. 4, one side edge of the vertical stiffener 226 corresponds to the joint between the corbel beam 224 and the outer side of the main column 222, and is fixedly connected to the inner wall of the main column 222. In this embodiment, box-shaped corbel beams 224 are symmetrically connected to both sides of the main column 222, vertical stiffening plates 226 are respectively and correspondingly arranged at the joints between the beam webs 2244 on both sides of the corbel beam 224 inside the main column 222 and the main column 222, and the four vertical stiffening plates 226 are parallel to each other and respectively welded and fixed to the inner side walls of the main column 222, so that the bearing capacity is respectively enhanced for the web positions of the corbel beams 224. The stiffener plates 226 may be provided to be the same thickness as the spar webs 2244.
The end of the main column 222 is provided with a pouring opening 2221 and a ventilation hole 2223, so that concrete can be poured through the pouring opening 2221 during construction, and the ventilation hole 2223 can ensure air circulation, thereby facilitating the discharge of air in the main column 222 during pouring, ensuring smooth pouring, and preventing the formation of air holes.
In the embodiment of the present invention, the bracket beam 224 is further provided with an end haunch 2248 (fig. 2 and 3), which can enhance the strength of the bottom of the connection between the bracket beam 224 and the main column 222, so as to improve the bending resistance and the shearing resistance.
Referring to fig. 1 to 4, in combination with the above embodiment, the embodiment of the present invention further provides a truss structure, which includes a first top chord 100, a second top chord 300 and the truss connection node 200, wherein the end surfaces of the first top chord 100 and the second top chord 300 are respectively fixedly connected to the end surfaces of the connection beams 260 at two ends of the structural column 220 of the truss connection node 200. The truss connection node 200 is a prefabricated part, and the first upper chord member 100 and the second upper chord member 300 can be directly welded to the connecting beam 260 on a construction site respectively, so that the construction difficulty can be reduced, the construction period can be shortened, and the construction cost can be reduced.
The joint of the truss can also be provided with lower chord connecting beams 280 and 280 ' for connecting the lower chords (or cantilever beams and the like) 400 and 400 ' of the truss, the lower chord connecting beams 280 and 280 ' can be directly butted with fractures of the lower chords and the cantilever beams for welding and fixing during construction, the lower chord connecting beams 280 and 280 ' at the position can be arranged in a mode of intersecting welding, and an inner partition 282 can also be arranged inside the main column 220 corresponding to the connecting position of the lower chords 400 and 400 ' and the main column 220, so that the connecting strength at the position is enhanced.
The truss connecting node can also be provided with web member connecting beams 290 and 290 ' for fixing the cantilever truss web members 500 and 500 ', the upper web member 500 of the main truss, the cantilever truss web member 600, the truss web member 700 and the fracture can be directly butted and welded and fixed during construction, and the web member connecting beams 290 and 290 ' can be arranged in a penetration welding mode.
The embodiment of the utility model provides a room lid is still provided, it includes foretell truss structure, the multiplicable steel column of above-mentioned truss connection node 200 and truss connection reliability, reduce the welding degree of difficulty that former scheme runs through the welding mutually, improved the regional node intensity of this node, connecting beam 260, 260' on the bracket roof beam are reserved through this truss connection node, the butt weld of on-the-spot welding truss chord member pipe that only needs, greatly reduced the construction degree of difficulty, reduced the engineering time and assurance welding quality that can be better. The construction cost is reduced, the construction period is shortened, and the problems of cost increase, manufacturing trouble and the like caused by insufficient strength of intersecting joints and even the use of cast steel joints are solved.
The above description is only for the preferred embodiment of the present invention, but the present invention is not limited to the above embodiment, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and these equivalent modifications or substitutions are included in the scope defined by the claims of the present application.
Claims (11)
1. Truss connection node, its characterized in that: the plug board penetrates through the structural column, the plug board comprises an internal part and an external extension part, the internal part is positioned in the structural column, and the external extension part extends out of the surface of the outer wall of the structural column; the structure column is characterized in that the extension portion is provided with a connecting beam, the connecting beam is provided with a splicing portion, the connecting beam is in butt joint with the extension portion through the splicing portion, the edge of the splicing portion is fixedly connected with the joint of the extension portion, and the end portion of the connecting beam is fixedly connected with the outer surface of the structure column.
2. The truss connection node of claim 1, wherein: the edge of the interior part is attached to the inner wall of the structural column.
3. The truss connection node of claim 2, wherein: the inner portion and the outer extension portion are of an integral structure, and the inserting plate is bent along a vertical axis on the inner portion.
4. The truss connection node of claim 3 wherein said overhang includes a first overhang and a second overhang, said first overhang and said second overhang being on either side of said inner portion, said first overhang including a pair of side edges parallel to each other and an overhang connecting said side edges, said side edges being at an acute angle at a set angle α to said vertical axis.
5. The truss connection node of any one of claims 1-4, wherein: the structure post includes main cylinder and connect in the bracket roof beam in the main cylinder outside, the picture peg run through in the bracket roof beam.
6. The truss connection node of claim 5, wherein: the bracket beam is of a box-shaped structure, insertion plate openings for the outward extension parts to penetrate through are formed in beam webs on two sides of the bracket beam respectively, and the outward extension parts of the insertion plates extend out of the outer surface of the bracket beam from the insertion plate openings respectively.
7. The truss connection node of claim 6, wherein: inner baffles are respectively arranged on two sides of the inserting plate in the bracket beam, and two side edges of each inner baffle are respectively fixedly connected with the inner wall of a beam web of the bracket beam.
8. The truss connection node of claim 7, wherein: and the edges of the two sides of each inner partition plate respectively correspond to the positions of the edges of the two sides of the inserting plate, where the connecting beams are positioned.
9. The truss connection node of claim 5, wherein: the main column body is internally provided with a vertical stiffening plate, one side edge of the vertical stiffening plate corresponds to the joint of the bracket beam and the outer side of the main column body, and is fixedly connected with the inner wall of the main column body.
10. Truss structure, its characterized in that: the truss connection node comprises a first upper chord, a second upper chord and the truss connection node of any one of claims 1 to 9, wherein the end surfaces of the first upper chord and the second upper chord are fixedly connected with the end surface of the connection beam respectively.
11. Roof, its characterized in that: comprising the truss structure of claim 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920592511.5U CN210117801U (en) | 2019-04-26 | 2019-04-26 | Truss connection node, truss structure and roof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920592511.5U CN210117801U (en) | 2019-04-26 | 2019-04-26 | Truss connection node, truss structure and roof |
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| Publication Number | Publication Date |
|---|---|
| CN210117801U true CN210117801U (en) | 2020-02-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920592511.5U Active CN210117801U (en) | 2019-04-26 | 2019-04-26 | Truss connection node, truss structure and roof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110005058A (en) * | 2019-04-26 | 2019-07-12 | 中建钢构有限公司 | Truss connecting node, truss structure and roof system |
| CN115538814A (en) * | 2022-12-01 | 2022-12-30 | 北京市第三建筑工程有限公司 | Large-area stress welding construction method for building transformation |
-
2019
- 2019-04-26 CN CN201920592511.5U patent/CN210117801U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110005058A (en) * | 2019-04-26 | 2019-07-12 | 中建钢构有限公司 | Truss connecting node, truss structure and roof system |
| CN115538814A (en) * | 2022-12-01 | 2022-12-30 | 北京市第三建筑工程有限公司 | Large-area stress welding construction method for building transformation |
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