CN215406548U

CN215406548U - Safe type steel construction connected node component

Info

Publication number: CN215406548U
Application number: CN202121163101.2U
Authority: CN
Inventors: 雷红
Original assignee: Jilin Hongming Construction Group Co ltd
Current assignee: Jilin Hongming Construction Group Co ltd
Priority date: 2021-05-27
Filing date: 2021-05-27
Publication date: 2022-01-04
Anticipated expiration: 2031-05-27

Abstract

The utility model relates to the technical field of building construction structural facilities, in particular to a safe steel structure connecting node member, and solves the technical problem that a node member which is convenient to set, high in safety and firmness and capable of reflecting the functionality of a plastic hinge is lacked in the prior art. The first node connecting structure is used for fixedly connecting a first side flange of the cross beam with the longitudinal beam; the second node connecting structure is used for fixedly connecting a second side flange of the cross beam with the longitudinal beam, a safety structure is constructed on the second node connecting structure, and the safety structure is used for enabling the second side flange to form a plastic hinge at the position where the safety structure is formed. The technical scheme has the advantages of simple structure, convenient processing and construction, stable structure and high reliability.

Description

Safe type steel construction connected node component

Technical Field

The utility model relates to the technical field of building construction structural facilities, in particular to a safe steel structure connecting node member.

Background

In the test failure stage of the construction of the concrete flexural steel structure, as the beam column or the transverse beam and the longitudinal beam are stressed and the plastic strain is increased while the stress is kept unchanged, the bending moment of the section of the joint steel structure is also increased along with the reduction of the height of the compression zone of the joint interface, and the curvature of the section is increased under the condition that the bending moment is basically kept unchanged, namely plastic hinge.

The plastic hinge is that when one structural member is stressed, the fiber of a certain point opposite to the surface is yielded but not damaged, the point is considered as the plastic hinge, so that one structural member is changed into two structural members and one plastic hinge, the structural members on two sides of the plastic hinge can rotate slightly, and the rotation process of the plastic hinge is the process of internal force redistribution. Its effect is to exhibit "ductility" which is to consume a portion of the energy after the onset of flexural failure of the structure until the complete failure, thereby retarding the structural failure to the desired extent. And the prior art lacks a node component which is convenient to set, and has high safety and firmness, so as to embody the functionality of the plastic hinge. For ease of understanding, reference is made to fig. 3, which shows a cross beam and a longitudinal beam each having two flanges 1 and a web 2.

SUMMERY OF THE UTILITY MODEL

The utility model provides a safe steel structure connecting node member, which aims to solve the technical problem that a node member which is convenient to arrange, high in safety and firmness is lacked in the prior art so as to embody the functionality of a plastic hinge.

In order to solve the technical problems, the technical scheme of the utility model is as follows:

the utility model provides a safe type steel construction connected node component, includes crossbeam and longeron that has flange and web respectively, includes:

the first node connecting structure is used for fixedly connecting a first side flange of the cross beam with the longitudinal beam;

and the second node connecting structure is used for fixedly connecting a second side flange of the cross beam with the longitudinal beam, a safety structure is constructed on the second node connecting structure, and the safety structure is used for enabling the second side flange to form a plastic hinge at the position where the safety structure is formed.

Specifically, a fixing plate is arranged between a flange and a web of the longitudinal beam;

the fixing plate is perpendicular to the flange and the web of the longitudinal beam respectively.

Specifically, the first surface of the first side flange of the cross beam is attached to the second surface of the fixing plate, and the first surface and the second surface are fixedly connected.

Specifically, the first node connection structure includes:

the first reinforcing plate is fixed on one side, facing the web, of the first side flange of the cross beam;

and the second reinforcing plate is fixed on the fixing plate and is fixedly connected with the first reinforcing plate.

Specifically, the safety structure is in a concave shape with an opening facing a first direction when viewed in a sectional direction.

Specifically, the safety structure includes:

the first groove wall is connected with the second side flange of the cross beam;

the second groove wall, a bottom wall and the first groove wall form a concave groove.

Specifically, the second node connecting structure further comprises a connecting plate, and one end of the connecting plate is fixedly connected with the second groove wall.

Specifically, the lower surface of the connecting plate is attached to the upper surface of the fixing plate, and the connecting plate and the fixing plate are fixedly connected.

Specifically, the recess groove is disposed adjacent to the fixing plate.

Specifically, the method further comprises the following steps:

the rib plates are respectively arranged on two sides of the web plate of the beam and are connected with the web plate of the beam through high-strength bolts;

the end parts of the rib plates are fixed on the web plates of the longitudinal beams through welding.

The utility model has the following beneficial effects:

the first node connecting structure, the second node connecting structure and the rib plates are used as reinforcing parts of the whole node member, and the stabilizing effect is achieved. The safety structure is provided with a sunken groove, the sunken groove is provided with a first groove wall, a second groove wall and a bottom wall, and the bottom wall is used as a micro-rotation point under load to realize the function of plastic hinge. The technical scheme has the advantages of simple structure, convenient processing and construction, stable structure and high reliability.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a concave trough of the present invention;

fig. 3 is a schematic view of a flange and a web in the prior art.

The reference numerals in the figures denote:

the structure comprises a cross beam 10, a longitudinal beam 20, a first node connecting structure 100, a second node connecting structure 200, a safety structure 300, a rib plate 400, a fixing plate 21, a first reinforcing plate 211, a second reinforcing plate 212, a first groove wall 201, a second groove wall 202, a connecting plate 210 and a concave groove 204.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without any creative effort belong to the protection scope of the present invention; for convenience of description, in the present application, "left side" is "first end", "right side" is "second end", "upper side" is "first end", and "lower side" is "second end" in the current view, so that the description is for the purpose of clearly expressing the technical solution, and should not be construed as an improper limitation to the technical solution of the present application.

The purpose of this technical scheme is to provide one kind and to set up convenient, and security, the high node component of fastness to embody the functionality of plastic hinge. For ease of understanding, reference is made to fig. 3, which shows a cross beam and a longitudinal beam each having two flanges 1 and a web 2. The ductility stated in the technical scheme is realized by arranging a safety structure 300 capable of realizing a plastic hinge function, so that when a simulation test or a load is applied, the plastic hinge effect is realized by the micro-rotation effect formed by the safety structure 300, and energy is consumed to delay the damage of the finishing structure, so that the node member provided by the technical scheme is shown in the figure, and particularly is a safe steel structure connecting node member.

In detail, it comprises a cross beam 10 and a longitudinal beam 20 having flanges and a web, respectively, and further comprises: the first node connecting structure 100 is used for fixedly connecting a first side flange of the cross beam 10 with the longitudinal beam 20, and plays a role in stabilizing and reinforcing the structure; in addition, the second node connecting structure 200 is used for fixedly connecting the second side flange of the cross beam 10 with the longitudinal beam 20, the safety structure 300 is constructed on the second node connecting structure 200, and the safety structure 300 is used for enabling the second side flange to form a plastic hinge at the position where the safety structure 300 is constructed and formed, so that the node position area from the first node connecting structure 100 is stable, the second node connecting structure 200 is used for assisting in fixing, and micro-rotation under load is realized through the safety structure 300; therefore, the technical scheme can embody the ductility of the plastic hinge on the integral member, has simple structure and convenient processing and manufacturing, and can be applied to the improvement of the existing building and the arrangement of the node positions of the common building.

Referring to fig. 1, a fixing plate 21 is disposed between the flange and the web of the longitudinal beam 20 to match the first node connecting structure 100 and/or the second node connecting structure 200, and the fixing plate 21 is perpendicular to the flange and the web of the longitudinal beam 20, respectively, so as to reduce the construction difficulty.

Referring to fig. 1, the first surface of the first side flange of the cross beam 10 is attached to the second surface of the fixing plate 21, and the two are fixedly connected.

In one embodiment, referring to fig. 1, the first node connecting structure 100 includes:

a first reinforcing plate 211 fixed to a side of the first side flange of the cross member 10 facing the web; and a second reinforcing plate 212, wherein the second reinforcing plate 212 is fixed on the fixing plate 21 and is fixedly connected with the first reinforcing plate 211.

In one embodiment, referring to fig. 1, the safety structure 300 is in a concave shape with an opening facing a first direction when viewed in a cross-sectional direction, such that the concave shape can be used as a micro-rotation point under a load, more specifically:

the security structure 300 includes:

a first tank wall 201 connected to the second side flange 2 of the beam 10;

a second slot wall 202, which forms a recessed slot 204 with a bottom wall 203 and the first slot wall 201;

thus, referring to fig. 1 and 2, when the concave groove 204 is under load, it can slightly rotate in both the upper and lower directions, and such slight rotation can be understood as the deformation of the concave groove 204 under load.

Referring to fig. 1, the second node connecting structure 200 further includes a connecting plate 210, and one end of the connecting plate 210 is fixedly connected to the second slot wall 202.

Referring to fig. 1, the lower surface of the connecting plate 210 is attached to the upper surface of the fixing plate 21, and the two are fixedly connected.

In one embodiment, referring to FIG. 1, the recessed groove 204 is disposed adjacent to the fixed plate 21, closer to the arrangement of the prior art rotating node type and dog bone type nodes.

Please refer to fig. 1, which further includes: the rib plates 400 are respectively arranged on two sides of the web plate of the cross beam 10, and the rib plates are connected with the web plate of the cross beam 10 through high-strength bolts; the end of the rib 400 is fixed to the web of the longitudinal beam 20 by welding.

To sum up, in the present application, the first node connecting structure 100, the second node connecting structure 200, and the rib plate 400 serve as reinforcing components of the whole node member, and play a role in stabilization. The safety structure 300 is provided as a recessed groove 204, the recessed groove 204 is configured with a first groove wall 201, a second groove wall 202 and a bottom wall 203, and the bottom wall 203 is used as a micro-rotation point under load to realize a plastic hinge function. The technical scheme has the advantages of simple structure, convenient processing and construction, stable structure and high reliability.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the utility model.

Claims

1. Safe type steel construction connected node component, including crossbeam (10) and longeron (20) that have flange and web respectively, its characterized in that includes:

a first node connecting structure (100) for fixedly connecting a first side flange of a cross beam (10) with the longitudinal beam (20);

a second node connecting structure (200) for fixedly connecting a second side flange of a cross beam (10) with the longitudinal beam (20), wherein a safety structure (300) is constructed on the second node connecting structure (200), and the safety structure (300) is used for enabling the second side flange to form a plastic hinge at the position where the safety structure (300) is constructed and formed.

2. The safety type steel structure connecting node member according to claim 1, wherein a fixing plate (21) is arranged between the flange and the web of the longitudinal beam (20);

the fixing plate (21) is perpendicular to the flange and the web of the longitudinal beam (20).

3. The safety steel structural connection node member according to claim 2, wherein the first surface of the first side flange of the cross beam (10) is attached to the second surface of the fixing plate (21) and is fixedly connected with the first surface.

4. The safety steel structural connection node member according to claim 3, wherein the first node connection structure (100) comprises:

a first reinforcing plate (211) fixed on one side of the first side flange of the cross beam (10) facing the web;

the second reinforcing plate (212) is fixed on the fixing plate (21) and fixedly connected with the first reinforcing plate (211).

5. The safety steel structural connecting joint member according to claim 2, wherein the safety structure (300) has a concave shape with an opening facing the first direction as viewed in a sectional view.

6. The safety steel structural connection node member according to claim 5, wherein the safety structure (300) comprises:

a first tank wall (201) connecting the second side flange of the cross beam (10);

the second groove wall (202), together with a bottom wall (203) and the first groove wall (201), forms a recess (204).

7. The safety steel structural connection node member of claim 6, wherein the second node connection structure (200) further comprises a connection plate (210), and one end of the connection plate (210) is fixedly connected with the second groove wall (202).

8. The safety type steel structure connecting node member as claimed in claim 7, wherein the lower surface of the connecting plate (210) is attached to the upper surface of the fixing plate (21) and fixedly connected thereto.

9. The safety steel structural connecting joint member according to claim 8, wherein the recess groove (204) is disposed adjacent to the fixing plate (21).

10. The safety type steel structure connecting node member of any one of claims 2 to 9, further comprising:

the two sides of the web plate of the cross beam (10) are respectively provided with the rib plates (400), and the rib plates are connected with the web plate of the cross beam (10) through high-strength bolts;

the end part of the rib plate (400) is fixed on the web plate of the longitudinal beam (20) through welding.