CN210216729U - Node device for rigidly connecting assembled truss steel beam and steel column - Google Patents
Node device for rigidly connecting assembled truss steel beam and steel column Download PDFInfo
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- CN210216729U CN210216729U CN201920944532.9U CN201920944532U CN210216729U CN 210216729 U CN210216729 U CN 210216729U CN 201920944532 U CN201920944532 U CN 201920944532U CN 210216729 U CN210216729 U CN 210216729U
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Abstract
The utility model discloses an assembled truss girder steel and steel column rigid connection node means belongs to steel construction assembly type building technical field, it includes horizontal truss girder steel, the lateral wall at truss girder steel both ends department is connected with the tip reinforcement respectively, the terminal surface at truss girder steel both ends department is connected with the longitudinal part of the angle steel of L type bending respectively, the transverse part of angle steel passes through bolted connection with the top end plate at longitudinal box steel column top and the bottom end plate of bottom respectively, it can avoid the beam column rigid connection node of prior art to exist because the concatenation of post component is owing to self length is not enough, thereby avoid resulting in the influence to the structure atress performance, avoid the welding heat influence that prior art steel frame structure connected node leads to through welded connection simultaneously, in order to simplify the technology, be convenient for the assembly type construction; the assembly type construction of multi-story and high-rise steel frames is convenient to realize; and the inside pipeline and water and electricity circuit can be laid at truss girder steel, can effectually utilize the building space.
Description
Technical Field
The utility model belongs to the technical field of steel construction assembly type structure, especially, relate to an assembly type truss girder steel and steel column rigid connection node means.
Background
At present, steel structures are recognized as green and environment-friendly building products due to the fact that the steel structures accord with the policy of sustainable development, and steel structure buildings are rapidly developed along with the development of economy and the enhancement of comprehensive strength. Meanwhile, the assembly type construction method is advocated all the time, and the technical difficulty of the assembly type steel structure building is mainly concentrated on the beam-column connecting nodes; in the steel structure, the traditional beam-column rigid connection node has three connection structure forms: (1) the upper flange and the lower flange are connected by a full penetration weld joint, and the webs are connected by high-strength bolts, namely, bolted welding and mixed connection; (2) the flange and the web are all connected by welding seams, namely all-welded connection; (3) the upper flange, the lower flange and the web are connected by high-strength bolts, namely full bolts. For the first two connection structure forms, the upper flange and the lower flange of the beam are in full penetration connection, installation and welding are needed in construction, the construction progress is long, and the quality of a welding seam is difficult to guarantee due to high-altitude operation, so that the third full-bolt connection more meets the requirements of an assembly type construction process. However, because the assembled steel frame is usually assembled on the site by transporting the prefabricated members, the length of the column member in the multi-story and high-rise steel frame is not always sufficient due to the limitations of the manufacturing process, the transportation capacity and the construction cost, and the assembling is needed, so that stress concentration occurs due to the assembling, and weak parts are generated, thereby affecting the stress performance of the structure. The utility model discloses a chinese utility model patent document with publication number CN205531008U discloses an assembly type structure truss node, be responsible for, the branch pipe including the rectangle, the rectangle is responsible for the pipe wall bilateral symmetry and is set up first connection wing, the rectangle is responsible for the outer symmetrical cover and is established the U-shaped sleeve pipe, vacuole formation between U-shaped sleeve pipe and the rectangle is responsible for, set up on the U-shaped sleeve pipe and be connected the wing with first connection wing matched with second, all be equipped with the bolt hole on first connection wing, the second connection wing, set up the bolt in the bolt hole, one side and branch union coupling that the second connection wing was kept away from to the U-shaped sleeve pipe, at least one set up grouting hole and grout outlet on the U-shaped sleeve pipe, grouting hole, grout outlet and cavity intercommunication, pack the mortar in the cavity. Although the safety can be improved, the method is also limited by the manufacturing process, the transportation capacity and the construction cost, and is inconvenient to apply to multi-story and high-rise steel frames.
SUMMERY OF THE UTILITY MODEL
The utility model provides an assembled truss girder steel and steel column rigid connection node means aims at avoiding the concatenation that the beam column rigid connection node of prior art exists because of self length is not enough goes on to avoid leading to the influence to structural stress performance, avoid the welding heat influence that prior art steel frame structure connected node leads to through welded connection simultaneously, with the simplified process, the assembled construction of being convenient for.
In order to achieve the above object, the utility model adopts the following technical scheme:
the utility model provides an assembled truss girder steel and steel column rigid connection node means, assembled truss girder steel includes horizontal truss girder steel with steel column rigid connection node means, and the lateral wall of truss girder steel both ends department is connected with the tip reinforcement respectively, and the upper portion and the lower part of the terminal surface of truss girder steel both ends department are connected with the longitudinal part of the angle steel that a L type was buckled respectively, and the longitudinal part direction of the angle steel of upper portion and lower part is relative, and the transverse part of angle steel passes through bolted connection with the top end plate at fore-and-aft box steel column top and the bottom end plate of bottom respectively.
The utility model discloses an assembled truss girder steel and steel column rigid connection node device, make the connected node of truss girder steel its steel frame structure only use the bolt connection that intensity meets the requirements under the prerequisite that satisfies node mechanical properties, and avoid appearing the concatenation that box steel column component goes on because self length is not enough, thereby can simplify the construction process, be convenient for the realization of many, high-rise steel frame assembly type construction; and the inside pipeline and water and electricity circuit can be laid at truss girder steel, can effectually utilize the building space.
The utility model discloses can reach following beneficial effect:
the assembled truss steel beam and steel column rigid connection node device can realize rigid connection of the steel beam and the steel column, can avoid splicing of beam column rigid connection nodes in the prior art due to insufficient length of column members, thereby avoiding influence on the stress performance of the structure, and simultaneously avoiding welding heat influence caused by welding connection of steel frame structure connection nodes in the prior art, so as to simplify the process and facilitate assembly construction; the assembly type construction of multi-story and high-rise steel frames is convenient to realize; and the inside pipeline and water and electricity circuit can be laid at truss girder steel, can effectually utilize the building space.
Drawings
The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:
fig. 1 is the utility model discloses an assembled truss girder steel and steel column rigid connection node means's structure elevation.
Fig. 2 is the utility model discloses an assembled truss girder steel and steel column rigid connection node means's structural plan view.
Fig. 3 is the utility model discloses an assembled truss girder steel and steel column rigid connection node means's user state elevation.
Fig. 4 is the utility model discloses an assembled truss girder steel and steel column rigid connection node device's user state side view.
Fig. 5 is the utility model discloses an assembled truss girder steel and steel column rigid connection node device's user state top view.
In the figure, 1 is a truss steel beam, 2 is an end reinforcement, 3 is an angle steel, 301 is a bolt hole, 4 is a box-shaped steel column, 401 is a top end plate, 402 is a bottom end plate, 403 is a bolt, and 404 is a bolt hole.
Detailed Description
To make the purpose, technical solution and advantages of the present invention clearer, the following will combine the embodiments of the present invention and the corresponding drawings to clearly and completely describe the technical solution of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The technical solutions provided by the embodiments of the present invention are described in detail below with reference to the accompanying drawings.
Examples
The assembled rigid connection node device for the truss steel beam and the steel column comprises a transverse truss steel beam 1, see fig. 2, side walls at two ends of the truss steel beam 1 are respectively connected with an end reinforcing part 2, see fig. 3, the upper part and the lower part of the end surface at two ends of the truss steel beam 1 are respectively connected with the longitudinal part of an L-shaped bent angle steel 3, the longitudinal parts of the upper part and the lower part of the angle steel 3 are opposite in direction, see fig. 4 and 5, and the transverse parts of the angle steel 3 are respectively connected with a top end plate 401 at the top and a bottom end plate 402 at the bottom of a longitudinal box-shaped steel column 4 through bolts 403.
In the fabricated rigid connection node device for the truss steel beam and the steel column according to the embodiment, the end portion of the truss steel beam 1 is welded with the end portion reinforcement 2 and the angle steel 3, preferably, the strength grade of the end portion reinforcement 2 and the strength grade of the angle steel 3 are the same as that of the truss steel beam 1, wherein the size of the angle steel 2 and the specification of the end portion reinforcement 2 are matched with that of the truss steel beam 1, so as to effectively transfer the internal force at the end portion of the truss steel beam 1. The transverse part of the angle steel 3 is provided with bolt holes 301, the top end plate 401 at the top of the box-shaped steel column 4 and the bottom end plate 402 at the bottom are respectively provided with screw holes 404 matched with the bolt holes 301, the truss steel beam 1 and the box-shaped steel column 4 extend into the bolt holes 301 and the screw holes 404 through bolts 403 meeting the strength requirement to be connected, and the sizes of the top end plate 401 at the top of the box-shaped steel column 4 and the bottom end plate 402 at the bottom are determined according to the sectional size of the angle steel 3 and the number and the interval of the bolt holes 301 on the transverse part of the angle. According to the assembled rigid connection node device for the truss steel beam and the steel column, through finite element program loading analysis, the whole deformation and the maximum stress of the structure are all arranged at the end part of the truss steel beam 1 instead of the angle steel 3, so that when the structure is designed, only the truss steel beam 1 meeting the strength requirement needs to be selected, and the strength and stability of the assembled rigid connection node device for the truss steel beam and the steel column can meet the requirement.
In this embodiment, the end reinforcement 2 may be a channel steel. To facilitate the mounting of the end stiffener 2.
In this embodiment, the side walls at the two ends of the truss steel beam 1 are connected to the channel steel by welding. So as to facilitate the connection of the channel steel.
In this embodiment, the end surfaces at the two ends of the truss steel beam 1 are respectively connected to the longitudinal portions of the L-shaped bent angle steels 3 by welding. So as to facilitate the connection of the angle steel 3.
In this embodiment, the transverse portion of the angle steel 3 is connected to the top end plate 401 at the top and the bottom end plate 402 at the bottom of the longitudinal box-shaped steel column 4 through at least two bolts 403; and the bolts 403 are all evenly distributed. So as to facilitate the connection of the angle steel 3 and the box-type steel column 4.
Further, the top end plate 401 and the bottom end plate 402 are regular polygonal plates. To facilitate the machining of the top endplate 401 and the bottom endplate 402.
Further, the top end plate 401 and the bottom end plate 402 are square plates. To facilitate the machining and attachment of the top endplate 401 and the bottom endplate 402.
The present embodiment may further provide chamfers at four corners of the top end plate 401 and the bottom end plate 402. To facilitate the mounting of the top endplate 401 and the bottom endplate 402.
In this embodiment, the top and bottom of the box-type steel column 4 are connected to the centers of the top end plate 401 and the bottom end plate 402 by welding. So as to improve the overall balance stability of the box-type steel column 4.
The top and the bottom of the box-shaped steel column 4 are respectively connected with the centers of the top end plate 401 and the bottom end plate 402 by welding, so that the top end plate 401 and the bottom end plate 402 can be conveniently installed. An inclined stiffening beam may be provided on the truss steel beam 1 to improve the strength of the truss steel beam 1. The number of the reinforcing beams may be two or more to further improve the strength of the truss steel beam 1. The reinforcing beams may be symmetrically distributed about a longitudinal center line of the girder 1 to uniformly improve the strength and balance of the girder 1. The stiffening beam can be connected with the main structure of the truss steel beam 1 through welding so as to facilitate the installation of the stiffening beam. The end of the L-shaped bent angle iron 3 can be provided with a chamfer angle to facilitate the installation and use of the angle iron 3.
When the fabricated truss steel beam and steel column rigid connection node device of the embodiment is used for a steel frame, the installation method may be as follows: firstly, the transverse parts of the angle steels 3 at the lower flange of the truss steel beam 1 connected with the box-type steel column 4 are connected with the bottom end plate 402 of the upper box-type steel column 4 through bolts 403 with the strength meeting the requirement, then the upper box-type steel column 4 is hoisted, and then the transverse parts of the angle steels 3 at the upper flange of the truss steel beam 1, which are connected with the top end plate 401 of the upper box-type steel column 4 through the bolts 403, are connected with the top end plate 401 of the lower box-type steel column 4 through the bolts 403 with the strength meeting the requirement.
The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (9)
1. The utility model provides an assembled truss girder steel and steel column rigid connection node means, assembled truss girder steel and steel column rigid connection node means includes horizontal truss girder steel (1), a serial communication port, the lateral wall of truss girder steel (1) both ends department is connected with tip reinforcement (2) respectively, the upper portion and the lower part of the terminal surface of truss girder steel (1) both ends department are connected with the longitudinal part of an L type angle steel (3) of buckling respectively, the longitudinal part direction of angle steel (3) of upper portion and lower part is relative, the horizontal part of angle steel (3) passes through bolt (403) with top end plate (401) at vertical box steel column (4) top and bottom end plate (402) of bottom respectively and is connected.
2. The fabricated truss steel beam and steel column rigid connection node arrangement of claim 1, wherein the end stiffeners (2) are channel steels.
3. The fabricated truss steel beam and steel column rigid connection node device of claim 2, wherein the side walls at both ends of the truss steel beam (1) are connected with the channel steel by welding.
4. The fabricated truss steel beam and steel column rigid connection node device as claimed in claim 1, wherein the end faces at both ends of the truss steel beam (1) are respectively connected with the longitudinal parts of the L-shaped bent angle steel (3) by welding.
5. The fabricated truss steel beam and steel column rigid connection node device as claimed in claim 1, wherein the transverse portions of the angle steel (3) are respectively connected with the top end plate (401) at the top and the bottom end plate (402) at the bottom of the longitudinal box-type steel column (4) through at least two bolts (403); and the bolts (403) are uniformly distributed.
6. The fabricated truss steel beam and steel column rigid connection node apparatus of claim 1, wherein the top end plate (401) and the bottom end plate (402) are regular polygonal plates.
7. The fabricated truss steel beam and steel column rigid connection node apparatus of claim 6, wherein the top end plate (401) and the bottom end plate (402) are square plates.
8. The fabricated truss steel beam and steel column rigid connection node apparatus of claim 7, wherein four corners of the top end plate (401) and the bottom end plate (402) are provided with chamfers.
9. The fabricated truss steel beam and steel column rigid connection node device of claim 6, wherein the top and bottom of the box-type steel column (4) are connected with the center of the top end plate (401) and the bottom end plate (402) by welding, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920944532.9U CN210216729U (en) | 2019-06-21 | 2019-06-21 | Node device for rigidly connecting assembled truss steel beam and steel column |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920944532.9U CN210216729U (en) | 2019-06-21 | 2019-06-21 | Node device for rigidly connecting assembled truss steel beam and steel column |
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| CN210216729U true CN210216729U (en) | 2020-03-31 |
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| CN201920944532.9U Active CN210216729U (en) | 2019-06-21 | 2019-06-21 | Node device for rigidly connecting assembled truss steel beam and steel column |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112049253A (en) * | 2020-09-14 | 2020-12-08 | 北京中外建建筑设计有限公司 | Truss body and concrete structure connecting node, truss and method |
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2019
- 2019-06-21 CN CN201920944532.9U patent/CN210216729U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112049253A (en) * | 2020-09-14 | 2020-12-08 | 北京中外建建筑设计有限公司 | Truss body and concrete structure connecting node, truss and method |
| CN112049253B (en) * | 2020-09-14 | 2021-07-30 | 北京中外建建筑设计有限公司 | Truss body and concrete structure connecting node, truss and method |
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