CN219316005U

CN219316005U - Steel construction with antidetonation function

Info

Publication number: CN219316005U
Application number: CN202320336169.9U
Authority: CN
Inventors: 刘正; 吴明
Original assignee: Henan Zhenghong Steel Structure Engineering Co ltd
Current assignee: Henan Zhenghong Steel Structure Engineering Co ltd
Priority date: 2023-02-28
Filing date: 2023-02-28
Publication date: 2023-07-07
Anticipated expiration: 2033-02-28

Abstract

The utility model discloses a steel structure with an anti-seismic function, which comprises two oppositely arranged steel columns and a supporting steel beam arranged at the top and connected with the two steel columns, wherein the bottoms of the two steel columns are also connected with a bottom beam, two symmetrically arranged diagonal support rods are arranged on the bottom beam, the tops of the two diagonal support rods are connected with connectors, friction dampers I are respectively arranged at the two sides of the connectors, lugs are arranged at the inner sides of the tops of the steel columns and the supporting steel beam, one end of each friction damper I is arranged on each lug, and a soft steel damper is connected between each supporting steel beam and each connector. The steel column consists of the upper structural column and the lower structural column, and the shock resistance of the steel structure is effectively improved while the stability of the steel structure is ensured by arranging the arc-shaped steel plate and the friction damper II between the upper structural column and the lower structural column and by arranging the inclined support rod, the connecting body and the friction damper I and by arranging the soft steel damper.

Description

Steel construction with antidetonation function

Technical Field

The utility model relates to the technical field of steel structures, in particular to a steel structure with an anti-seismic function.

Background

The earthquake disasters frequently occur, the earthquake resistance of the building faces the examination, the house with the concrete structure has good compression performance, but no tensile force, the earthquake is temporary, the house is extremely easy to collapse as a whole under the condition of earthquake wave cyclic load, and the steel structure has good ductility, and can absorb and consume the energy input by the earthquake through deformation, so that the building has higher earthquake resistance and lightens earthquake resistance.

In a chinese patent of publication No. CN216516110U, a steel construction for building construction with outstanding shock resistance is provided, which comprises a base, support column and crossbeam, the mounting groove has been seted up to the inner chamber of base, the bottom fixedly connected with attenuator of mounting groove inner chamber, the surface cover of attenuator has damping spring, the top fixedly connected with fly leaf of attenuator, the top and the support column fixed connection of fly leaf, utilize fly leaf, the attenuator, damping spring, the setting of slider and spout, constitute buffer gear, reduce vibrations.

The prior art has the defect that the shock-resistant effect achieved by the buffer mechanism is too single, and the buffer mechanism can only resist longitudinal stress, and the triangular structure formed by the cross beam, the support column and the support rod can ensure the stability of the steel structure, but still has a large improvement space in the aspect of shock resistance.

For this purpose, a steel structure with anti-seismic function is proposed.

Disclosure of Invention

The utility model aims to provide a steel structure with an anti-seismic function, so as to solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a steel construction with antidetonation function, includes two relative steel columns that set up, and sets up in the top, connects the support girder steel of two steel columns, two the steel column bottom still is connected with the flounder, install two bracing pieces that the symmetry set up on the flounder, two the top of bracing piece is connected with the connector, friction damper I is installed respectively to the both sides of connector, steel column and support girder steel top inboard are provided with the ear seat, friction damper I's one end is installed on the ear seat, be connected with mild steel damper between support girder steel and the connector.

Preferably, the steel column comprises an upper structural column and a lower structural column, an arc-shaped steel plate is arranged between the upper structural column and the lower structural column, fixing parts which are attached to the upper structural column and the lower structural column in an indication mode are extended towards two ends of the arc-shaped steel plate, and fasteners are arranged on the fixing parts so as to respectively connect two ends of the arc-shaped steel plate with the upper structural column and the lower structural column.

Preferably, two arc-shaped steel plates are arranged, the two arc-shaped steel plates are respectively arranged on the front side and the rear side of the steel column, and the middle parts of the two arc-shaped steel plates are respectively bent towards opposite sides.

Preferably, the upper structural column and the lower structural column are arranged into an I-shaped structure, supporting pieces are respectively arranged in the spaces on two sides of the I-shaped upper structural column and the I-shaped lower structural column, and a friction damper II is connected between the two supporting pieces.

Preferably, two rib plates are arranged at the joint of the steel column and the bottom beam, the two rib plates are welded at the corners of the steel column and the bottom beam, the bottom ends of the two diagonal bracing rods are respectively arranged between the two rib plates, and the top ends of the diagonal bracing rods incline to the central line of the supporting steel beam.

Compared with the prior art, the utility model has the beneficial effects that:

the steel column consists of the upper structural column and the lower structural column, and the shock resistance of the steel structure is effectively improved while the stability of the steel structure is ensured by arranging the arc-shaped steel plate and the friction damper II between the upper structural column and the lower structural column and by arranging the inclined support rod, the connecting body and the friction damper I and by arranging the soft steel damper.

Drawings

FIG. 1 is a schematic elevational view of the present utility model;

FIG. 2 is a schematic view of a partial perspective structure of a steel column according to the present utility model;

FIG. 3 is a schematic side sectional view of the present utility model;

FIG. 4 is a schematic top view of the present utility model;

fig. 5 is an enlarged schematic view of the structure of fig. 2 a according to the present utility model.

In the figure: 1. a steel column; 101. an upper structural column; 102. a lower structural column; 2. supporting the steel girder; 3. a bottom beam; 4. a diagonal support bar; 5. a connecting body; 6. a friction damper I; 7. an ear seat; 8. a soft steel damper; 9. arc-shaped steel plates; 91. a fixing part; 10. a fastener; 11. a support; 12. a friction damper II; 13. rib plates.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected or detachably connected; may be a mechanical connection; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

The utility model provides a steel structure with an anti-seismic function, which is shown in fig. 1-5, and comprises two oppositely arranged steel columns 1 and a support steel beam 2 arranged at the top and connected with the two steel columns 1, wherein the steel columns 1 are vertically arranged, the bottom is fixed on a supporting surface or a mounting surface through a connecting structure, the support steel beam 2 horizontally extends, and the bottom is fixed on the steel columns 1.

The steel column 1 comprises an upper structural column 101 and a lower structural column 102, the upper structural column 101 and the lower structural column 102 are arranged into an I-shaped structure, supporting pieces 11 are respectively arranged in the spaces on two sides of the I-shaped upper structural column 101 and the lower structural column 102, and a friction damper II 12 is connected between the two supporting pieces 11.

As shown in fig. 2, the i-shaped upper structural column 101 and the i-shaped lower structural column 102 comprise two parallel first plates and a second plate arranged between the two first plates and perpendicular to the two first plates, the supporting members 11 are horizontally arranged, one side surface of each supporting member is welded on the second plate, the other two side surfaces of each supporting member are welded on the first plates, the two supporting members 11 are connected by the friction damper ii 12, two friction dampers ii 12 arranged on one steel column 1 are symmetrically distributed on two sides of the second plate, and the upper structural column 101 and the lower structural column 102 are vertically connected through the arrangement of the two friction dampers ii 12, so that the connection stability is ensured, and meanwhile, the longitudinal external force applied to part of the steel column 1 is absorbed.

In addition, still be provided with arc steel sheet 9 between last structural column 101 and the lower structural column 102, arc steel sheet 9 extends to both ends has with last structural column 101 and lower structural column 102 post show the fixed part 91 of laminating, be provided with fastener 10 on the fixed part 91 to be connected with last structural column 101 and lower structural column 102 respectively with arc steel sheet 9 both ends, arc steel sheet 9 is provided with two, two arc steel sheet 9 set up respectively in the front side and the rear side of steel column 1 to two arc steel sheet 9 middle parts are crooked towards opposite one side respectively.

Specifically, the fixing portions 91 of the two arc-shaped steel plates 9 are connected with the first plates of the upper structural columns 101 and the lower structural columns 102, so as to play a role of auxiliary support and buffering, and it should be noted that, in order to further ensure the connection strength between the upper structural columns 101 and the lower structural columns 102, the arc-shaped steel plates 9 should have a high thickness, and specific values are determined according to practical situations.

The bottom of the two steel columns 1 is also connected with a bottom beam 3, two inclined support rods 4 which are symmetrically arranged are arranged on the bottom beam 3, the two inclined support rods 4 which are symmetrically arranged form a V-shaped structure, two rib plates 13 are arranged at the joint of the steel columns 1 and the bottom beam 3, the two rib plates 13 are welded at the corners of the steel columns 1 and the bottom beam 3, the bottom ends of the two inclined support rods 4 are respectively arranged between the two rib plates 13, and the top ends of the two inclined support rods incline towards the central line of the supporting steel beam 2.

The top of two diagonal bracing rods 4 is connected with connector 5, specifically can adopt welding or fixed connection's mode, in some embodiments of the utility model, connector 5 should set up to cube structure, and its each side is smooth plane, and friction damper I6 is installed respectively to both sides of connector 5, and steel column 1 and support girder steel 2 top inboard are provided with ear seat 7, and friction damper I6's one end is installed on ear seat 7, is connected with mild steel damper 8 between support girder steel 2 and the connector 5.

The specific structures of the friction damper I6 and the friction damper II 12 are the same, the barrel type friction damper in the prior art is adopted, the barrel type friction damper consists of a cylindrical steel barrel, a friction cushion block, an inner wedge block, an outer wedge block, a butterfly spring and a piston rod, when external force acts on the piston rod to enable the piston rod to slide, the butterfly spring converts axial pressure along the piston rod into normal pressure perpendicular to the barrel wall surface through the wedge block, friction force is generated through sliding friction of the friction wedge block to dissipate energy, and the content of the part belongs to common knowledge, and the barrel type friction damper can be understood and implemented according to the prior art by a person skilled in the art, and is not repeated.

In the prior art, the soft steel damper 8 is supported by the upper connecting plate, the lower connecting plate and specially made low yield stress steel, and when earthquake or wind vibration occurs, the soft steel is subjected to plastic yield hysteresis deformation to dissipate energy input into a steel structure, so that the purpose of shock absorption is achieved.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A steel construction with antidetonation function, its characterized in that: including two steel columns that set up relatively, and set up in the top, connect the support girder steel of two steel columns, two the steel column bottom still is connected with the flounder, install two diagonal bracing bars that the symmetry set up on the flounder, two diagonal bracing bars's top is connected with the connector, friction damper I is installed respectively to the both sides of connector, steel column and support girder steel top inboard are provided with the ear seat, friction damper I's one end is installed on the ear seat, be connected with soft steel damper between support girder steel and the connector.

2. A steel structure with anti-seismic function according to claim 1, characterized in that: the steel column comprises an upper structural column and a lower structural column, an arc-shaped steel plate is arranged between the upper structural column and the lower structural column, fixing parts which are attached to the upper structural column and the lower structural column in an indication mode are extended towards two ends of the arc-shaped steel plate, and fasteners are arranged on the fixing parts to connect two ends of the arc-shaped steel plate with the upper structural column and the lower structural column respectively.

3. A steel structure with anti-seismic function according to claim 2, characterized in that: the two arc-shaped steel plates are respectively arranged on the front side and the rear side of the steel column, and the middle parts of the two arc-shaped steel plates are respectively bent towards the opposite sides.

4. A steel structure with anti-seismic function according to claim 2, characterized in that: the upper structural column and the lower structural column are arranged to be of an I-shaped structure, supporting pieces are respectively arranged in the spaces on two sides of the I-shaped upper structural column and the lower structural column, and a friction damper II is connected between the supporting pieces.

5. A steel structure with anti-seismic function according to claim 1, characterized in that: the steel column is provided with two rib plates with the junction of floorpan, two the rib plates weld in steel column and floorpan corner, two the diagonal bracing bottom is installed respectively between two rib plates, and the top is inclined to support girder steel central line position.