Steel structure frame connecting structure

Abstract

The utility model provides a steel structure frame connecting structure, which belongs to the technical field of building construction and comprises a low-temperature end steel member, a normal-temperature end steel member and a glass fiber reinforced plastic block, and the glass fiber reinforced plastic block is used for connecting the low-temperature end steel member with the normal-temperature end steel member. According to the steel structure frame connecting structure provided by the utility model, the low-temperature end steel member working in a low-temperature environment is connected with the normal-temperature end steel member working in a normal-temperature environment by using the glass fiber reinforced plastic block, so that the cold energy at the cold end is prevented from being dissipated in a steel structure direct connection mode, and the effective connection of the cold steel member and the hot steel member is realized; it can be guaranteed that the low-temperature-end steel component normally works at the low temperature, and the strength and temperature of the normal-temperature-end steel component are not obviously affected. The low-temperature end steel member can transmit force to the normal-temperature end steel member through the glass fiber reinforced plastic block, and the pressure bearing capacity of the steel structure frame connecting structure is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of building construction, and more specifically relates to a steel structure frame connection structure. Background Art

[0002] Steel structure is one of the more common structural forms in modern construction projects. Commonly used steel structures are generally connected by bolts or welding. However, the commonly used connection method cannot prevent the steel structure in contact with the cold end from transferring cold to the steel structure at the normal temperature end. Especially when the cold end is in a low temperature state, the formation of a cold bridge may cause the steel structure at the normal temperature end to become brittle due to the cold, which seriously affects the reliability of the steel structure and leads to safety and quality accidents. Utility Model Content

[0003] The purpose of the utility model is to provide a steel structure frame connection structure, aiming to solve the above technical problems existing in the prior art.

[0004] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: to provide a steel structure frame connection structure, including:

[0005] Low temperature end steel components;

[0006] Steel components at room temperature;

[0007] The glass fiber reinforced plastic block is used to connect the low-temperature end steel component with the normal-temperature end steel component.

[0008] Preferably, the glass fiber reinforced plastic block is detachably connected to the low-temperature end steel component and the normal-temperature end steel component.

[0009] Preferably, the fiberglass block comprises:

[0010] The first glass fiber reinforced plastic block is detachably connected to the low-temperature end steel component and the normal-temperature end steel component;

[0011] The second glass fiber reinforced plastic block is detachably connected to the low-temperature end steel component and the normal-temperature end steel component.

[0012] Preferably, the low-temperature end steel member is connected to the second fiberglass block by means of a clamp.

[0013] Preferably, the normal temperature end steel member is connected to the second fiberglass block by bolts and / or clamps.

[0014] Preferably, the thickness of the FRP block is 80 mm, and at 22° C., the average compressive strength of the FRP is 397 MPa, the allowable compressive strength is 264 MPa, the shear strength is 40 MPa, and the allowable shear strength is 26.6 MPa.

[0015] Preferably, a T-shaped slot is provided on the second fiberglass block, a first connector adapted to the T-shaped slot is provided on the low-temperature end steel component, and a second connector adapted to the T-shaped slot is provided on the normal-temperature end steel component.

[0016] Preferably, a buffer structure is provided on the inner wall of the T-shaped groove.

[0017] The beneficial effect of a steel structure frame connection structure provided by the utility model is that: compared with the prior art, the steel structure frame connection structure of the utility model uses a glass fiber reinforced plastic block to connect the low-temperature end steel component working in a low-temperature environment with the normal-temperature end steel component working in a normal-temperature environment, thereby preventing the cold end cold from being lost through the direct connection of the steel structure, and realizing the effective connection of the cold and hot steel components, which can ensure that the low-temperature end steel component works normally at low temperatures without significantly affecting the strength and temperature of the normal-temperature end steel component. The low-temperature end steel component can also transmit force to the normal-temperature end steel component through the glass fiber reinforced plastic block, thereby improving the pressure-bearing capacity of the steel structure frame connection structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 A structural schematic diagram of a steel structure frame connection structure provided by an embodiment of the utility model;

[0020] Figure 2 A schematic structural diagram of a second glass fiber reinforced plastic block used in a steel structure frame connection structure provided in an embodiment of the utility model.

[0021] In the figure: 1, low temperature end steel member; 2, normal temperature end steel member; 3, first glass fiber reinforced plastic block; 4, second glass fiber reinforced plastic block; 41, T-shaped groove. DETAILED DESCRIPTION

[0022] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0023] Please also read Figure 1 and Figure 2Now, a steel structure frame connection structure provided by the utility model is described. The steel structure frame connection structure comprises: a low temperature end steel component 1, a normal temperature end steel component 2 and a glass fiber reinforced plastic block, wherein the glass fiber reinforced plastic block is used to connect the low temperature end steel component 1 with the normal temperature end steel component 2.

[0024] The utility model provides a steel structure frame connection structure. Compared with the prior art, the low-temperature end steel component 1 working in a low-temperature environment is connected with the normal-temperature end steel component 2 working in a normal-temperature environment by using a glass fiber reinforced plastic block, which prevents the cold end cold from being lost through the direct connection of the steel structure, realizes the effective connection of the cold and hot steel components, and can ensure that the low-temperature end steel component 1 works normally at low temperatures (110K-150K) without significantly affecting the strength and temperature of the normal-temperature end steel component 2. The low-temperature end steel component 1 can also transmit force to the normal-temperature end steel component 2 through the glass fiber reinforced plastic block, thereby improving the pressure-bearing capacity of the steel structure frame connection structure.

[0025] In this embodiment, the two ends of the low temperature end steel member 1 are connected to the normal temperature end steel member 2 through glass fiber reinforced plastic blocks, thereby realizing a reliable connection between the cold and hot steel members. It is ensured that the low temperature end steel member 1 can transfer the force to the normal temperature end steel member 2 when subjected to force, and the steel structure 1 can withstand greater force in a low temperature environment.

[0026] As a specific implementation of the present invention, please refer to Figure 1 and Figure 2 The glass fiber reinforced plastic block is detachably connected to the low temperature end steel member 1 and the normal temperature end steel member 2, which is convenient for installation and disassembly of the steel structure frame connection structure.

[0027] In this embodiment, the glass fiber reinforced plastic block includes: a first glass fiber reinforced plastic block 3 and a second glass fiber reinforced plastic block 4. The first glass fiber reinforced plastic block 3 is detachably connected to the low temperature end steel component 1 and the normal temperature end steel component 2. The second glass fiber reinforced plastic block 4 is detachably connected to the low temperature end steel component 1 and the normal temperature end steel component 2. The number of the first glass fiber reinforced plastic blocks 3 is several, and the number of the second glass fiber reinforced plastic blocks 4 is several.

[0028] In this embodiment, the low temperature end steel member 1 is connected to the second glass fiber reinforced plastic block 4 by means of a clamp. The inner surface of the low temperature end steel member 1 is in contact with the low temperature environment, and the inner and outer surfaces are heated inconsistently, which may cause deformation. By connecting to the second glass fiber reinforced plastic block 4 by means of a clamp, the deformation can be better released while ensuring the stress, and the deformation caused by temperature can be better adapted.

[0029] The low temperature end steel member 1 can be connected to the first glass fiber reinforced plastic block 3 by bolts; the low temperature end steel member 1 can be connected to the first glass fiber reinforced plastic block 3 by clamps. The low temperature end steel member 1 can be connected to the first glass fiber reinforced plastic block 3 by clamps and bolts.

[0030] In this embodiment, the normal temperature end steel member 2 is connected to the second glass fiber reinforced plastic block 4 by means of bolts and / or clamps.

[0031] Specifically, a T-slot 41 is provided on the second FRP block 4, a first connector adapted to the T-slot 41 is provided on the low-temperature end steel member 1, and a second connector adapted to the T-slot 41 is provided on the normal-temperature end steel member 2. During installation, the first connector and the second connector are respectively connected to the T-slot to achieve connection between the second FRP block 4 and the low-temperature end steel member 1 and between the second FRP block 4 and the normal-temperature end steel member 2. The connection between the T-slot 41, the first connector, and the second connector is in the form of a clamp.

[0032] In this embodiment, the normal temperature end steel member 2 can be connected to the first glass fiber reinforced plastic block 3 by bolts; the normal temperature end steel member 2 can be connected to the first glass fiber reinforced plastic block 3 by clamps. The normal temperature end steel member 2 can be connected to the first glass fiber reinforced plastic block 3 by clamps and bolts.

[0033] In this embodiment, the thickness of the FRP block is 80 mm, and at 22° C., the average compressive strength of the FRP is 397 MPa, the allowable compressive strength is 264 MPa, the shear strength is 40 MPa, and the allowable shear strength is 26.6 MPa.

[0034] In this embodiment, a buffer structure is provided on the inner wall of the T-shaped groove. The buffer structure is an elastic rubber block with a heat transfer function. The setting of the buffer structure improves the tightness of the connection relationship with the second glass fiber reinforced plastic block 4. And when the low-temperature end steel component 1 is deformed, it is ensured that the second glass fiber reinforced plastic block 4 can still be tightly connected with the low-temperature end steel component 1.

[0035] The low-temperature end steel member 1 is connected to the first glass fiber reinforced plastic block 3 by bolts and to the second glass fiber reinforced plastic block 4 by a clamp or a hoop in a low-temperature (110K-150K) environment.

[0036] The steel member 2 at the room temperature end is connected to the first FRP block 3 and the second FRP block 4 by bolts in a room temperature environment. The thickness of the FRP block is 80mm. At 22℃, the average compressive strength of the FRP is 397MPa, the allowable compressive strength is 264MPa, the shear strength is 40MPa, and the allowable shear strength is 26.6MPa, which can meet the strength requirements of the steel structure. The thermal conductivity of FRP is about 0.4W / (m·K), which is about 5‰ of that of steel materials. Under the same temperature difference and length conditions, the cold transfer between steel structures can be significantly reduced.

[0037] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A steel structure frame connection structure, characterized in that: include: Low temperature end steel member (1); Steel member at room temperature (2); The glass fiber reinforced plastic block is used to connect the low-temperature end steel component (1) with the normal-temperature end steel component (2).

2. A steel structure frame connection structure as claimed in claim 1, characterized in that: The glass fiber reinforced plastic block is detachably connected to the low-temperature end steel component (1) and the normal-temperature end steel component (2).

3. A steel structure frame connection structure as claimed in claim 1, characterized in that: The glass fiber reinforced plastic block comprises: The first glass fiber reinforced plastic block (3) is detachably connected to the low-temperature end steel component (1) and the normal-temperature end steel component (2); The second glass fiber reinforced plastic block (4) is detachably connected to the low-temperature end steel component (1) and the normal-temperature end steel component (2).

4. A steel structure frame connection structure as claimed in claim 3, characterized in that: The low-temperature end steel component (1) is connected to the second glass fiber reinforced plastic block (4) by means of a clamp.

5. A steel structure frame connection structure as claimed in claim 4, characterized in that: The normal temperature end steel component (2) is connected to the second glass fiber reinforced plastic block (4) by means of bolts and / or clamps.

6. A steel structure frame connection structure as claimed in claim 1, characterized in that: The thickness of the FRP block is 80 mm. At 22° C., the average compressive strength of the FRP is 397 MPa, the allowable compressive strength is 264 MPa, the shear strength is 40 MPa, and the allowable shear strength is 26.6 MPa.

7. A steel structure frame connection structure as claimed in claim 5, characterized in that: The second glass fiber reinforced plastic block (4) is provided with a T-shaped groove (41), the low-temperature end steel component (1) is provided with a first connector adapted to the T-shaped groove (41), and the normal-temperature end steel component (2) is provided with a second connector adapted to the T-shaped groove (41).

8. A steel structure frame connection structure as claimed in claim 7, characterized in that: A buffer structure is arranged on the inner wall of the T-shaped groove.

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