Combined steel column

Abstract

The utility model discloses a combined steel column, and belongs to the technical field of building structures. The combined steel column comprises first connecting steel and further comprises second connecting steel, the first connecting steel and the second connecting steel are both fixedly connected with connecting plates, the connecting plates are in an L shape, and the two sets of connecting plates are connected in a staggered mode through a first connecting mechanism; the first connecting steel is fixedly connected with the third connecting steel through the second connecting mechanism, and the plane where the second connecting mechanism is located is perpendicular to the plane where the first connecting mechanism is located; the two sets of connecting plates and the two sets of fixing plates are arranged in a staggered mode to form the X shape, shearing force exerted on the four sets of connecting steel can be effectively dispersed, local stress concentration is reduced, and therefore the shearing strength of the combined steel column structure is improved, deformation caused by load changes is reduced, and the bearing effect of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to building structure technical field especially relates to a combined steel column. BACKGROUND

[0002] With the high -speed development of economy, the city is also in the synchronous development, and the building is higher and higher, these high -rise buildings are important components of city space utilization, however, with the increase of height, the bearing capacity and safety of building structure requirement also increase along with it, in low -rise building, reinforced concrete column because its good strength and stability, as the main bearing structure, but the stress environment and load condition in high -rise building have remarkable difference with low -rise building.

[0003] In high -rise building, mainly the underground part stress is relatively small, lead to the reinforced concrete column in low -rise building already can not satisfy the requirement of bearing structure in high -rise building, therefore urgently need to design a combined steel column for replacing or adding to the reinforced concrete column in traditional low -rise building. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at solving the problem that the reinforced concrete column in traditional low -rise building in the prior art already can not satisfy the requirement of high -rise building, and provides a combined steel column.

[0005] In order to achieve the above -mentioned purpose, the utility model adopts the following technical scheme:

[0006] A combined steel column, including first connecting steel, further include: second connecting steel, wherein, the first connecting steel and second connecting steel all are fixedly connected with connecting plate, and connecting plate is L shape, and two groups connecting plate are staggered and connected through first connecting mechanism;Third connecting steel, wherein, the first connecting steel is fixedly connected with third connecting steel through second connecting mechanism, and the plane of second connecting mechanism and first connecting mechanism is perpendicular.

[0007] In order to facilitate the first connecting steel and second connecting steel fixedly connected, preferably, the first connecting mechanism includes first limiting plate and second limiting plate, the connecting plate is provided with two groups, and symmetrically arranged on the first connecting steel and second connecting steel, the both ends of first limiting plate and second limiting plate are staggered and arranged on two groups of connecting plate respectively.

[0008] In order to facilitate the pre -installation of connecting plate, further, two groups of connecting plate are fixedly connected through extension plate.

[0009] In order to facilitate the first connecting steel and the second connecting steel and the third connecting steel are fixedly connected, preferably, the second connecting mechanism comprises a first fixed plate and a second fixed plate, both ends of the first fixed plate are fixedly connected on the first connecting steel and the third connecting steel through locking bolts respectively, both ends of the second fixed plate are fixedly connected on the first connecting steel and the third connecting steel through locking bolts respectively, and the first fixed plate and the second fixed plate are staggered.

[0010] Preferably, the two groups of extension plates are symmetrically arranged on the connecting plate.

[0011] In order to facilitate the first connecting steel and the third connecting steel are pre-connected, preferably, the first connecting steel and the third connecting steel are both provided with through holes, and the through holes are fixedly connected with pre-assembly plates through locking bolts.

[0012] Further, the pre-assembly plates are symmetrically arranged in two groups.

[0013] In order to facilitate the fixed plate to be connected to the connecting steel, preferably, the cross section of the connecting steel is H-shaped, and the first fixed plate and the second fixed plate are arranged on the inner wall of the connecting steel respectively.

[0014] Compared with the prior art, the utility model provides a combined steel column with the following beneficial effects:

[0015] 1、 the combined steel column, through two groups of connecting plates and two groups of fixed plates staggered arrangement form X shape, can effectively disperse the shear force applied on four groups of connecting steels, reduce local stress concentration, thereby increase the shear strength of the combined steel column structure, reduce the deformation caused by load change, improve the bearing effect of the device;

[0016] 2、 the combined steel column, through four groups of connecting steels can form a combined steel column after being connected, and four groups of connecting steels can form a containing cavity, steel bars or stirrup frames can be placed in the containing cavity according to the need, and then the steel bars or stirrup frames are welded or fixed with four groups of connecting steels, improving the practicability of the device.

[0017] The parts not involved in the device are the same as or can be realized by the prior art, the two groups of connecting plates and the two groups of fixed plates in the utility model are staggered to form X shape, which can effectively disperse the shear force applied on four groups of connecting steels, reduce local stress concentration, thereby increase the shear strength of the combined steel column structure, reduce the deformation caused by load change, improve the bearing effect of the device. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The utility model provides a kind of combined steel column axial measurement structure schematic Figure 1 ;

[0019] Figure 2 The utility model provides a structure diagram of combined steel column axial measurement Figure 2

[0020] Figure 3 The utility model provides a schematic view of a first connecting mechanism of a combined steel column

[0021] Figure 4 The utility model provides a schematic view of a second connecting mechanism of a combined steel column.

[0022] In the figure: 1, first connecting steel; 2, second connecting steel; 3, third connecting steel; 4, first fixed plate; 5, second fixed plate; 6, preloading plate; 7, connecting plate; 8, first limiting plate; 9, second limiting plate; 10, extension plate. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0024] In the description of the utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0025] Embodiment

[0026] With reference to Figures 1-4 A combined steel column, comprising a first connecting steel 1, further comprising: a second connecting steel 2, wherein the first connecting steel 1 and the second connecting steel 2 are both fixedly connected with a connecting plate 7, and the connecting plate 7 is L-shaped, and two groups of connecting plates 7 are connected by a first connecting mechanism; a third connecting steel 3, wherein the first connecting steel 1 is fixedly connected with the third connecting steel 3 by a second connecting mechanism, and the plane of the second connecting mechanism and the first connecting mechanism is perpendicular.

[0027] The cross sections of the above-mentioned first connecting steel 1, second connecting steel 2 and third connecting steel 3 are all H-shaped, which are economic section efficient profiles with more optimized cross section area distribution and more reasonable strength-weight ratio in the prior art, and Figure 1 As shown in the figure, four groups of connecting steels are arranged and are distributed at equal intervals in a circle, and the combined steel column is formed by the mutual connection of the four groups of connecting steels, and mounting holes are further formed in the connecting steels.

[0028] ​In order to improve the stability of the combined steel column connection, the first connecting mechanism comprises a first limiting plate 8 and a second limiting plate 9, and the connecting plate 7 is provided with two groups and is symmetrically arranged on the first connecting steel 1 and the second connecting steel 2, and the two ends of the first limiting plate 8 and the second limiting plate 9 are staggered and arranged on the two groups of connecting plates 7.

[0029] Referring to Figure 3 The upper end of the first limiting plate 8 is fixedly connected to the bottom of the connecting plate 7 above the first connecting steel 1 by a locking bolt, and the connecting plate 7 is pre-fixedly connected to the first connecting steel 1 by a locking bolt, and then the position is welded and fixed according to the connection requirement, and the lower end of the first limiting plate 8 is fixedly connected to the top of the connecting plate 7 below the second connecting steel 2 by a locking bolt.

[0030] The upper end of the second limiting plate 9 is fixedly connected to the bottom of the connecting plate 7 above the second connecting steel 2 by a locking bolt, and the connecting plate 7 is pre-fixedly connected to the second connecting steel 2 by a locking bolt, and then the position is welded and fixed according to the connection requirement, and the lower end of the second limiting plate 9 is fixedly connected to the top of the connecting plate 7 below the first connecting steel 1 by a locking bolt.

[0031] In addition, the two groups of connecting plates 7 are fixedly connected through the extension plate 10, and the extension plate 10 is symmetrically provided with two groups, and the two groups of extension plates 10 are distributed on the connecting plate 7.

[0032] The two ends of the extension plate 10 are fixedly connected to the two groups of connecting plates 7 by locking bolts, for pre-connecting the two groups of connecting plates 7.

[0033] In order to improve the stability of the combined steel column connection, the first connecting mechanism comprises a first limiting plate 8 and a second limiting plate 9, and the connecting plate 7 is provided with two groups and is symmetrically arranged on the first connecting steel 1 and the second connecting steel 2, and the two ends of the first limiting plate 8 and the second limiting plate 9 are staggered and arranged on the two groups of connecting plates 7.

[0034] Referring to Figure 4 The upper end of the first limiting plate 8 is fixedly connected to the bottom of the connecting plate 7 above the first connecting steel 1 by a locking bolt, and the connecting plate 7 is pre-fixedly connected to the first connecting steel 1 by a locking bolt, and then the position is welded and fixed according to the connection requirement, and the lower end of the first limiting plate 8 is fixedly connected to the top of the connecting plate 7 below the second connecting steel 2 by a locking bolt.

[0035] The upper end of the second limiting plate 9 is fixedly connected to the bottom of the connecting plate 7 above the second connecting steel 2 by a locking bolt, and the connecting plate 7 is pre-fixedly connected to the second connecting steel 2 by a locking bolt, and then the position is welded and fixed according to the connection requirement, and the lower end of the second limiting plate 9 is fixedly connected to the top of the connecting plate 7 below the first connecting steel 1 by a locking bolt.

[0036] The upper end of the first fixed plate 4 and the lower end of the second fixed plate 5 are arranged on the third connecting steel 3 and are in the same plane, and the lower end of the first fixed plate 4 and the upper end of the second fixed plate 5 are arranged on the first connecting steel 1 and are in the same plane, and the two groups of fixed plates directly form an X shape, cooperate with the two groups of connecting plates 7, and can improve the connection stability of the combined steel column.

[0037] And, by the two groups of connecting plates 7 and the two groups of fixed plates being staggered to form an X shape, the shear force applied on the four groups of connecting steels can be effectively dispersed, the local stress concentration is reduced, the shear strength of the combined steel column structure is increased, the deformation caused by load change is reduced, and the load bearing effect of the device is improved.

[0038] The four groups of connecting steels can form a combined steel column after being connected, and a containing cavity can be formed between the four groups of connecting steels, steel bars or stirrup frames can be placed in the containing cavity according to needs, and then the steel bars or stirrup frames are welded or fixed with the four groups of connecting steels, thereby improving the practicability of the device.

[0039] The cross section of the connecting steel is H-shaped, and the first fixed plate 4 and the second fixed plate 5 are arranged on the inner wall of the connecting steel.

[0040] In addition, a through hole is formed in the first connecting steel 1 and the third connecting steel 3, and a pre-assembly plate 6 is connected to the through hole by a locking bolt, for pre-connecting the first connecting steel 1 and the third connecting steel 3.

[0041] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A composite steel column comprising a first connecting steel (1), characterized in that, Also include: Second connecting steel (2), Wherein, the first connecting steel (1) and second connecting steel (2) are both fixedly connected with connecting plate (7), and the connecting plate (7) is L-shaped, and two groups of connecting plate (7) are connected by first connecting mechanism; Third connecting steel (3), Wherein, the first connecting steel (1) is fixedly connected with third connecting steel (3) through second connecting mechanism, and the plane of second connecting mechanism and first connecting mechanism is perpendicular.

2. A composite steel column according to claim 1, wherein The first connecting mechanism includes first limiting plate (8) and second limiting plate (9), the connecting plate (7) is provided with two groups, and is symmetrically arranged on the first connecting steel (1) and the second connecting steel (2), and the two ends of the first limiting plate (8) and the second limiting plate (9) are respectively staggered on the two groups of connecting plate (7).

3. A composite steel column according to claim 2, wherein Two groups of connecting plate (7) are fixedly connected by extension plate (10).

4. A composite steel column according to claim 3, wherein The second connecting mechanism includes first fixed plate (4) and second fixed plate (5), the two ends of the first fixed plate (4) are respectively fixedly connected on the first connecting steel (1) and the third connecting steel (3) through locking bolt, the two ends of the second fixed plate (5) are respectively fixedly connected on the first connecting steel (1) and the third connecting steel (3) through locking bolt, and the first fixed plate (4) and the second fixed plate (5) are staggered.

5. A composite steel column according to claim 3, wherein The extension plate (10) is symmetrically provided with two groups, and the two groups of extension plate (10) are distributed on the connecting plate (7).

6. A composite steel column according to claim 1, wherein The first connecting steel (1) and the third connecting steel (3) are both provided with through hole, and the through hole is fixedly connected with preloading plate (6) through locking bolt.

7. A composite steel column according to claim 6, wherein The preloading plate (6) is symmetrically provided with two groups.

8. A composite steel column according to claim 4, wherein The cross section of the connecting steel is H-shaped, and the first fixed plate (4) and the second fixed plate (5) are respectively arranged on the inner wall of the connecting steel.

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