Large-span assembly type steel structure convenient to disassemble

Abstract

The utility model discloses a large-span assembly type steel structure convenient to disassemble, which comprises a support frame, the support frame comprises two support units which are oppositely and symmetrically arranged, each support unit comprises a stand column and an overhanging support beam, the stand columns are fixedly arranged on the ground, and the overhanging support beams are fixedly arranged at the tops of the stand columns; the transverse bearing rod is fixedly mounted on a flange plate on the upper side of the cantilever supporting beam; a first connecting block is arranged at one end of the inclined strut reinforcing rod, a second connecting block is arranged at the other opposite end of the inclined strut reinforcing rod, the first connecting block is detachably installed on the reinforcing plate, the first connecting block is pivoted to the end of the inclined strut reinforcing rod, the second connecting block is pivoted to the end of the inclined strut reinforcing rod, and the second connecting block is bonded to the bottom face of the transverse bearing rod. Compared with the prior art, the steel structure is supported by the detachable diagonal bars, high-altitude welding operation is not needed, and reutilization is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of steel structure engineering, in particular to a large-span assembled steel structure which is easy to disassemble. Background Art

[0002] The large-span steel structure is assembled with light and efficient steel and light and efficient heat-insulating enclosure materials, and has the characteristics of light weight, short construction period, convenient installation, good seismic performance, etc. For example, Chinese patent CN202123104632.7 discloses a high-stability large-span steel structure, including a structural top plate, a support base, a support column, a support connecting rod, an upper crossbeam, a lower crossbeam, an upper support sheet, a support connecting rod, a lower support sheet, a first shock-absorbing assembly and a second shock-absorbing assembly, wherein the bottom end of the support column is arranged on the support base, one end of the structural top plate is arranged on the top of the support column, an upper support plate and a lower support plate are arranged in sequence from top to bottom below the structural top plate, the upper support sheet is arranged below the upper support plate, the lower support sheet is arranged below the lower support plate, the upper crossbeam is arranged on the upper support plate, the lower crossbeam is arranged on the lower support plate, the support connecting rod is arranged away from the structural top plate, the first shock-absorbing assembly is arranged between two groups of upper crossbeams and lower crossbeams, and the second shock-absorbing assembly is arranged on the side wall of the support column.

[0003] In existing steel structure projects, a transverse support rod is usually set at the top, such as the support connecting rod in Chinese patent CN202123104632.7, which is used to support the color steel plate and other plates on the top of the steel structure building. In order to prevent the deformation of the transverse support rod, it can usually be reinforced by diagonal bracing, but the diagonal bracing reinforcement rod is usually welded, which is high-altitude operation and dangerous, and low construction efficiency and cannot be reused. Utility Model Content

[0004] The utility model aims to provide a large-span assembled steel structure which is easy to disassemble, adopts a detachable diagonal brace to support the steel structure, does not require high-altitude welding operations, and is easy to reuse.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solution: a large-span assembled steel structure that is easy to disassemble, comprising:

[0006] A support frame, comprising two support units arranged symmetrically facing each other, the support units comprising columns and cantilever support beams, the columns are fixedly mounted on the ground, the cantilever support beams are fixedly mounted on the tops of the columns, the cross-section of the cantilever support beams is in an "I" shape, the end of the cantilever support beam of one support unit is fixedly mounted on the end of the cantilever support beam of another support unit through a connecting plate, and the cantilever support beams are provided with a plurality of reinforcement plates arranged along their length direction, and the plurality of reinforcement plates are arranged equidistantly;

[0007] A transverse support rod, which is fixedly mounted on the flange plate on the upper side of the cantilever support beam;

[0008] The diagonal brace reinforcement rod has a first connecting block at one end and a second connecting block at the other opposite end. The first connecting block is detachably mounted on the reinforcement plate. The first connecting block is pivotally connected to the end of the diagonal brace reinforcement rod. The second connecting block is pivotally connected to the end of the diagonal brace reinforcement rod. The second connecting block is bonded to the bottom surface of the transverse supporting rod.

[0009] As a further description of the above technical solution:

[0010] The reinforcement plate comprises reinforcement plate units which are symmetrically arranged on both sides of the web of the cantilever support beam, one side of the reinforcement plate unit is fixedly mounted on the flange plate of the cantilever support beam, and a gap is arranged between the two reinforcement plate units.

[0011] As a further description of the above technical solution:

[0012] The width of the first connecting block is equal to the distance between two adjacent reinforcing plates.

[0013] As a further description of the above technical solution:

[0014] A connecting bolt is arranged at the end of the first connecting block, and a rod body of the connecting bolt passes through the notch and is threadedly connected to the end surface of the first connecting block.

[0015] As a further description of the above technical solution:

[0016] A guide slope is arranged on the end surface of the reinforcing plate unit.

[0017] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0018] 1. In the utility model, the reinforcement plate, on the one hand, makes the cantilever support beam highly resistant to deformation, and on the other hand, the diagonal brace reinforcement rod can be detachably installed by using the reinforcement plate, which is convenient for installing the diagonal brace reinforcement rod without high-altitude welding operation, and the diagonal brace reinforcement rod can be reused.

[0019] 2. In the present invention, the width of the first connection block is equal to the distance between two adjacent reinforcement plates, which facilitates positioning of the first connection block using the reinforcement plates, simplifies installation of the first connection block, and improves installation stability of the first connection block.

[0020] 3. In the utility model, the first connecting block utilizes the notch on the reinforcing plate to realize the installation and locking of the connecting bolts. The connecting bolts can be fixed to the first connecting block in advance. After the first connecting block is inserted between two adjacent reinforcing plates, the connecting bolts can be locked, which further simplifies the installation of the diagonal bracing reinforcement rod, reduces the time of high-altitude operations, and improves safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0022] Figure 1 The figure is a schematic diagram of a large-span assembled steel structure that is easy to disassemble.

[0023] Figure 2 for Figure 1 A partial enlarged view of point A in the middle.

[0024] Figure 3 The diagram is a schematic diagram of the installation of diagonal brace reinforcement rods in a large-span assembled steel structure that is easy to disassemble.

[0025] Legend:

[0026] 1. Support unit; 11. Column; 12. Cantilever support beam; 13. Reinforcement plate; 131. Reinforcement plate unit; 1311. Guide slope; 2. Horizontal supporting rod; 3. Diagonal bracing reinforcement rod; 31. First connecting block; 311. Connecting bolt; 32. Second connecting block; 9. Connecting plate. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] See also Figure 1-3 The utility model provides a technical solution: a large-span assembled steel structure that is easy to disassemble, comprising:

[0029] A support frame, comprising two support units 1 arranged symmetrically facing each other, the support unit 1 comprising a column 11 and a cantilever support beam 12, the column 11 is fixedly installed on the ground, the cantilever support beam 12 is fixedly installed on the top of the column 11, the cross section of the cantilever support beam 12 is in an "I" shape, the end of the cantilever support beam 12 of one support unit 1 is fixedly installed on the end of the cantilever support beam 12 of the other support unit 1 through a connecting plate 9, and the cantilever support beam 12 is provided with a plurality of reinforcement plates 13 arranged along its own length direction, and the plurality of reinforcement plates 13 are arranged equidistantly;

[0030] A transverse support rod 2, which is fixedly mounted on the flange plate on the upper side of the cantilever support beam 12;

[0031] The diagonal brace reinforcement rod 3 has a first connecting block 31 at one end and a second connecting block 32 at the other opposite end. The first connecting block 31 is detachably mounted on the reinforcement plate 13. The first connecting block 31 is pivoted to the end of the diagonal brace reinforcement rod 3. The second connecting block 32 is pivoted to the end of the diagonal brace reinforcement rod 3. The second connecting block 32 is bonded to the bottom surface of the transverse supporting rod 2.

[0032] The reinforcement plate 13 includes reinforcement plate units 131 symmetrically arranged on both sides of the web of the cantilever support beam 12 . One side of the reinforcement plate unit 131 is fixedly mounted on the flange plate of the cantilever support beam 12 , and a gap is provided between the two reinforcement plate units 131 .

[0033] The width of the first connection block 31 is equal to the distance between two adjacent reinforcement plates 13 , which facilitates positioning of the first connection block 31 using the reinforcement plates 13 , simplifies installation of the first connection block 31 , and improves installation stability of the first connection block 31 .

[0034] The end of the first connection block 31 is provided with a connection bolt 311, and the rod body of the connection bolt 311 passes through the notch and is threadedly connected to the end surface of the first connection block 31. The first connection block 31 uses the notch on the reinforcement plate 13 to realize the installation and locking of the connection bolt 311. The connection bolt 311 can be fixed to the first connection block 31 in advance. After the first connection block 31 is inserted between two adjacent reinforcement plates 13, the connection bolt 311 can be locked, which further simplifies the installation of the diagonal brace reinforcement rod 3, reduces the time of high-altitude operation, and improves safety.

[0035] A guide slope 1311 is provided on the end surface of the reinforcement plate unit 131. The setting of the guide slope 1311 forms a guide when the rod body of the connecting bolt 311 is inserted into the gap between the two reinforcement plate units 131, which facilitates the installation of the first connecting block 31, further simplifies the installation of the diagonal bracing reinforcement rod 3, reduces the time of high-altitude operation, and improves safety.

[0036] Symmetrically arranged connecting plates 9 are provided on both sides of the cantilever support beam 12. The connecting plates 9 are fixed to the web of the cantilever support beam 12 by bolts, so as to lock the two support units 1 and improve the structural stability of the large-span assembled steel structure.

[0037] Working principle: The large-span prefabricated steel structure includes a number of support frames arranged in parallel and equidistantly. The support frames include two support units 1 arranged symmetrically facing each other. The support unit 1 includes a column 11 and a cantilever support beam 12. The column 11 is fixedly installed on the ground. The cantilever support beam 12 is used to install a transverse support rod 2. The transverse support rod 2 is used to support the top plate. The transverse support rod 2 can be fixed to the cantilever support beam 12 by an angle code. The cantilever support beam 12 is reinforced and supported by diagonal brace reinforcement rods 3 on both sides to prevent the transverse support rod 2 between the two support frames from lacking support and deforming. On the one hand, the reinforcement plate 13 makes the cantilever support beam 12 have strong deformation resistance. On the other hand, the diagonal brace reinforcement rod 3 can be detachably installed using the reinforcement plate 13, which is convenient for installing the diagonal brace reinforcement rod 3 without high-altitude welding operations. The diagonal brace reinforcement rod 3 can be reused.

[0038] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A large-span assembled steel structure that is easy to disassemble, characterized in that: include: A support frame, comprising two support units arranged symmetrically facing each other, the support units comprising columns and cantilever support beams, the columns being fixedly mounted on the ground, the cantilever support beams being fixedly mounted on the tops of the columns, the cross-section of the cantilever support beams being in an "I" shape, the cantilever support beam end of one support unit being fixedly mounted on the cantilever support beam end of another support unit through a connecting plate, the cantilever support beam being provided with a plurality of reinforcement plates arranged along its length direction, the plurality of reinforcement plates being arranged equidistantly; A transverse support rod fixedly mounted on the flange plate on the upper side of the cantilever support beam; The diagonal brace reinforcement rod has a first connecting block at one end and a second connecting block at the other opposite end. The first connecting block is detachably mounted on the reinforcement plate. The first connecting block is pivotally connected to the end of the diagonal brace reinforcement rod. The second connecting block is pivotally connected to the end of the diagonal brace reinforcement rod. The second connecting block is bonded to the bottom surface of the transverse supporting rod.

2. The large-span assembled steel structure that is easy to disassemble according to claim 1 is characterized in that: The reinforcing plate comprises reinforcing plate units symmetrically arranged on both sides of the web of the cantilever support beam, one side of the reinforcing plate unit is fixedly mounted on the flange plate of the cantilever support beam, and a gap is arranged between the two reinforcing plate units.

3. The large-span assembled steel structure that is easy to disassemble according to claim 2 is characterized in that: The width of the first connecting block is equal to the distance between two adjacent reinforcing plates.

4. The large-span assembled steel structure that is easy to disassemble according to claim 3 is characterized in that: A connecting bolt is disposed at the end of the first connecting block, and a rod of the connecting bolt passes through the notch and is threadedly connected to the end surface of the first connecting block.

5. The large-span assembled steel structure that is easy to disassemble according to claim 4 is characterized in that: A guiding slope is arranged on the end surface of the reinforcement plate unit.

6. The large-span assembled steel structure that is easy to disassemble according to claim 1 is characterized in that: The connecting plates are symmetrically arranged on both sides of the cantilever support beam.

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