Fabricated building steel structure

Abstract

The invention discloses a fabricated building steel structure, and belongs to the field of steel structure buildings. The fabricated building steel structure comprises stand columns, cross beams, a mounting frame and a roof, the cross beams are fixedly connected between every two adjacent stand columns, the mounting frame is fixed to the tops of the multiple stand columns, the roof is fixed to the top of the mounting frame, the bottoms of the stand columns are fixedly connected with connecting bases, and the fabricated building steel structure further comprises a supporting assembly; the supporting assembly is arranged between the upper cross beam and the lower cross beam and used for improving the stability of the whole framework. According to the ventilation device, the interior of a steel structure building can be rapidly ventilated through the air draft blades additionally arranged in the hollow ring, ventilation airflow is filtered through the filtering cloth bag, the cleanliness of the ventilation airflow is ensured, the filtering cloth bag can be wetted and cleaned in cooperation with clean water flow collected in the water collecting tank, and the ventilation effect is improved. The heat dissipation and dust removal effects are effectively improved, stored rainwater is utilized, and more energy conservation and environmental protection are achieved.

Description

Technical Field

[0001] The present invention relates to the technical field of steel structure buildings, and in particular to an assembled building steel structure. Background Art

[0002] In the process of building construction, in order to improve the construction efficiency of the building, people usually use steel structure prefabricated parts to assemble to form a skeleton, and then lay building materials on the skeleton to form a building. Steel structure houses are structures made of steel materials and are one of the main types of building structures. The structure is mainly composed of beams, steel columns, steel trusses and other components made of steel sections and steel plates. The components or parts are usually connected by welds, bolts or rivets. Because of its light weight and simple construction, it is widely used in large factories, venues, super high-rise buildings and other fields.

[0003] At present, the existing steel structure buildings have poor heat dissipation and lack ventilation structures. The air inside the house cannot be circulated, resulting in excessively high temperatures inside the house, reducing the comfort level inside the steel structure buildings. In addition, the connection between the beams and columns is not stable enough. During long-term use, the connection is prone to loosening under the action of wind, gravity and other loads, reducing the overall stability of the steel structure building and posing certain safety hazards. Therefore, an assembled steel structure is proposed. Summary of the invention

[0004] The purpose of the present invention is to solve the problems that the existing steel structure buildings have poor heat dissipation and lack of ventilation structure, which reduces the comfort level in the steel structure buildings; and the connection parts are prone to loosening under the action of various load forces, which reduces the overall stability of the steel structure buildings and poses certain safety hazards. An assembled building steel structure is proposed.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] An assembled building steel structure includes columns, beams, a mounting frame and a roof, wherein the beams are fixedly connected between two adjacent columns, the mounting frame is fixed to the tops of a plurality of columns, the roof is fixed to the top of the mounting frame, the bottoms of the columns are fixedly connected to connecting seats, and a support assembly is also included, wherein the support assembly is arranged between two upper and lower beams, and the support assembly is used to improve the stability of the overall structure.

[0007] In order to improve the overall stability of the steel structure, preferably, the support assembly includes a hollow ring, which is located between the upper and lower cross beams. Support rods are fixedly connected to the outer wall of the hollow ring around the four groups of support rods. The four groups of support rods are symmetrically arranged along the center of the hollow ring, and the end of the support rod away from the hollow ring is fixedly connected to the upper and lower cross beams.

[0008] In order to reduce the impact of water flow, preferably, a buffer eaves is fixedly connected to the bottom of the sloped surface of the roof, a water collecting trough is opened in the buffer eaves, and a plurality of groups of water collecting holes are opened at equal intervals on the top of the side of the buffer eaves close to the roof, and the bottom end of the water collecting hole is connected to the inner cavity of the water collecting trough, and a dust filter is fixedly connected to the surface of the buffer eaves, and the dust filter covers the top of the input end of the water collecting hole.

[0009] In order to improve the ventilation effect, preferably, a rotating shaft is rotatably connected inside the hollow ring, an exhaust blade is fixedly connected to the end of the rotating shaft, a driving motor is fixedly connected to the top of the hollow ring, and the output shaft of the driving motor is connected to the rotating shaft through a pulley group.

[0010] In order to improve the cleanliness of the ventilation airflow, preferably, a ventilation box is fixedly connected to the side wall of the input end of the hollow ring, the ventilation box is connected to the inner cavity of the hollow ring, and an air inlet pipe is fixed and connected to the side wall of the ventilation box, and a dust filter plate is fixedly connected inside the ventilation box.

[0011] Furthermore, a filter groove and a water storage groove are respectively provided in the dust filter plate, a filter bag is fixedly connected in the filter groove, a plurality of groups of drip holes are provided at equal intervals between the water storage groove and the filter groove, and the output end of the drip hole is located directly above the filter bag.

[0012] Furthermore, a water pipe is fixedly connected to the top of the ventilation box, the other end of the water pipe is connected to the inner cavity of the water collecting tank, and the output end of the water pipe is connected to the top of the inner cavity of the water storage tank, and a sewage pipe is fixedly connected to the side wall of the ventilation box, and the sewage pipe is connected to the inner cavity of the ventilation box close to the air inlet pipe.

[0013] In order to facilitate water supply to the water storage tank, preferably, the side wall of the buffer eaves is fixedly connected with a water injection pipe, the top end of the water injection pipe is connected to the inner cavity of the water collecting tank, the bottom end of the water injection pipe is connected to the existing water supply equipment, and a one-way valve is arranged in the water injection pipe.

[0014] In order to improve the connection stability, preferably, a clean water pipe is fixedly connected to the side wall of the ventilation box, and the clean water pipe is connected to the inner cavity of the ventilation box close to the hollow ring. Expansion grooves are provided in the connecting pieces at both ends of the crossbeam, and resistance plates are slidably connected on both sides of the inner cavity of the expansion groove. The other end of the clean water pipe is connected to the cavity formed between the resistance plates on both sides, and the cavity is filled with water-swellable polymer.

[0015] Preferably, a plurality of groups of overhead poles are fixedly connected to the top of the inner wall of the roof at equal intervals, and both ends of the overhead poles are fixedly connected to the top of the installation frame.

[0016] Compared with the prior art, the present invention provides a prefabricated building steel structure, which has the following beneficial effects:

[0017] 1. The prefabricated steel structure can quickly ventilate the steel structure building by installing exhaust blades in the hollow ring, and use filter bags to filter the ventilation airflow to ensure the cleanliness of the ventilation airflow. In addition, the clean water collected in the sump can moisten and clean the filter bags, effectively improving the heat dissipation and dust removal effects, and utilizing the stored rainwater, which is more energy-saving and environmentally friendly.

[0018] 2. The prefabricated steel structure allows the clean water obtained after filtering rainwater to flow into the expansion tank along the clean water pipe, so that the water-swellable polymer expands in the cavity and solidifies into a hard state, so that the resistance plates on both sides expand outward to form a state of close fit with the inner wall of the groove of the column, effectively improving the fixing effect of the beam, ensuring the stability of the steel structure building, and improving the overall safety of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall structure of an assembled building steel structure proposed by the present invention;

[0020] Figure 2 A schematic diagram of a partial cross-sectional structure of an assembled building steel structure proposed by the present invention;

[0021] Figure 3 The present invention proposes an assembled building steel structure Figure 2 A schematic diagram of the enlarged structure of the middle A area;

[0022] Figure 4 The present invention proposes an assembled building steel structure Figure 2 Schematic diagram of the enlarged structure of the middle B area;

[0023] Figure 5 The present invention proposes an assembled building steel structure Figure 2 Schematic diagram of the enlarged structure of the middle C area;

[0024] Figure 6 This is a schematic diagram of the enlarged structure of a hollow ring of an assembled building steel structure proposed by the present invention;

[0025] Figure 7 A schematic diagram of the internal structure of a ventilation box of an assembled building steel structure proposed by the present invention;

[0026] Figure 8 This is a schematic diagram of the internal structure of the beam connection end of an assembled building steel structure proposed by the present invention.

[0027] In the figure: 1. column; 2. crossbeam; 21. expansion tank; 22. resistance plate; 3. installation frame; 4. roof; 41. overhead pole; 5. connecting seat; 6. hollow ring; 61. support rod; 62. rotating shaft; 63. exhaust blade; 64. driving motor; 65. pulley assembly; 66. ventilation box; 661. sewage pipe; 662. water purification pipe; 67. dust filter plate; 671. filter tank; 672. water storage tank; 673. filter bag; 674. drip hole; 68. air inlet pipe; 7. buffer eaves; 71. water collection tank; 72. water collection hole; 73. dust filter net; 74. water guide pipe; 8. water injection pipe. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0029] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0030] Example:

[0031] Reference Figure 1-Figure 8 A prefabricated building steel structure includes a column 1, a beam 2, a mounting frame 3 and a roof 4, the beam 2 is fixedly connected between two adjacent columns 1, the mounting frame 3 is fixed on the top of multiple columns 1, the roof 4 is fixed on the top of the mounting frame 3, and multiple groups of overhead rods 41 are fixedly connected to the top of the inner wall of the roof 4 at equal intervals. Both ends of the overhead rod 41 are fixedly connected to the top of the mounting frame 3, and the bottom of the column 1 is fixedly connected with a connecting seat 5. It also includes a support assembly, which is arranged between the upper and lower beams 2. The support assembly is used to improve the stability of the overall structure.

[0032] Reference Figure 1 The supporting assembly includes a hollow ring 6, which is located between the upper and lower beams 2. Support rods 61 are fixedly connected around the outer wall of the hollow ring 6. Four groups of support rods 61 are symmetrically arranged along the center of the hollow ring 6, and one end of the support rod 61 away from the hollow ring 6 is fixedly connected to the upper and lower beams 2.

[0033] Through the arrangement of the above structure, the support rod 61 at the bottom can also be fixedly connected to the ground, so as to form a more stable support structure, which ensures the installation stability of the column 1 and can effectively prevent the loosening of the beam 2, thereby improving the stability of the entire steel structure building.

[0034] Reference Figure 1-Figure 3 A buffer eave 7 is fixedly connected to the bottom of the sloped surface of the roof 4, and the end of the buffer eave 7 is slightly tilted upward to dissipate the energy of rainwater. A water collecting trough 71 is provided in the buffer eave 7, and a plurality of groups of water collecting holes 72 are evenly spaced at the top of the side of the buffer eave 7 close to the roof 4. The bottom end of the water collecting hole 72 is connected to the inner cavity of the water collecting trough 71, and a dust filter net 73 is fixedly connected to the surface of the buffer eave 7, and the dust filter net 73 covers the top of the input end of the water collecting hole 72.

[0035] Through the arrangement of the above structure, when it rains, rainwater will slide to both sides along the roof 4, and finally fall to the ground after the buffer eaves 7 rotates to buffer and unload the force, so as to dissipate the energy of rainwater and reduce the possibility of water dripping through the stone, thereby ensuring the strength of the ground around the steel structure building and improving the stability of the structure; at the same time, when the rainwater slides to the buffer eaves 7, it will pass through the dust filter 73 and drip along the water collection hole 72 into the water collection trough 71, so as to realize the filtration and collection of rainwater for subsequent reuse of rainwater, thereby achieving energy saving effect and improving the cleanliness of the collected water flow.

[0036] Reference Figure 2 , Figure 4 A rotating shaft 62 is rotatably connected inside the hollow ring 6, an exhaust blade 63 is fixedly connected to the end of the rotating shaft 62, a driving motor 64 is fixedly connected to the top of the hollow ring 6, and the output shaft of the driving motor 64 is connected to the rotating shaft 62 through a pulley set 65.

[0037] Through the setting of the above structure, the driving motor 64 is turned on, and the transmission effect of the pulley group 65 is utilized to drive the rotating shaft 62 and the exhaust blade 63 to rotate in the hollow ring 6, thereby attracting the external airflow to move quickly along the air inlet pipe 68, the ventilation box 66, the dust filter plate 67 and the hollow ring 6 into the structural building, thereby achieving ventilation and heat dissipation effects.

[0038] In addition, if the ventilation demand is large, exhaust blades 63 can be installed in each hollow ring 6; and if the ventilation demand is small, the number of exhaust blades 63 installed can be adjusted according to demand.

[0039] Reference Figure 2-Figure 7, wherein a ventilation box 66 is fixedly connected to the side wall of the input end of the hollow ring 6, the ventilation box 66 is connected to the inner cavity of the hollow ring 6, and an air inlet pipe 68 is fixedly connected to the side wall of the ventilation box 66, and a dust filter plate 67 is fixedly connected in the ventilation box 66; a filter groove 671 and a water storage groove 672 are respectively provided in the dust filter plate 67, a filter bag 673 is fixedly connected in the filter groove 671, and a plurality of groups of drip holes 67 are evenly spaced between the water storage groove 672 and the filter groove 671 4, and the output end of the drip hole 674 is located just above the filter bag 673; the top of the ventilation box 66 is fixedly connected to the water pipe 74, the other end of the water pipe 74 is connected to the inner cavity of the water collecting tank 71, a solenoid valve is provided in the water pipe 74, and the output end of the water pipe 74 is connected to the top of the inner cavity of the water storage tank 672, and a sewage pipe 661 is fixedly connected to the side wall of the ventilation box 66, and the sewage pipe 661 is connected to the inner cavity of the ventilation box 66 near the side of the air inlet pipe 68.

[0040] Through the arrangement of the above-mentioned structure, when the airflow passes through the dust filter plate 67, it will be filtered by the filter bag 673 arranged inside it, so as to achieve the dust removal effect. At the same time, the solenoid valve in the water pipe 74 can be opened, so that the stored clean rainwater flows along the water pipe 74 to the water storage tank 672, and then drips from the drip hole 674 to the top of the filter bag 673, so as to moisten the filter bag 673 from top to bottom. First, the filter bag 673 can be cleaned, and the filtering effect of the filter bag 673 is improved. By moistening the filter bag 673, the dust in the airflow can be better captured, and the airflow can be cooled at the same time, which effectively improves the heat dissipation and dust removal effect, making the environment in the steel structure building more comfortable, and utilizing the stored rainwater, which is more energy-saving and environmentally friendly.

[0041] In addition, on rainy days, the solenoid valve in the water pipe 74 can be directly opened to clean the filter bag 673, ensuring the use effect of the filter bag 673, and the water flow entering the ventilation box 66 for flushing and dust removal can eventually be discharged through the drain pipe 661 to ensure the cleanliness of the ventilation box 66 and the dust removal effect; and when draining water, the water flows from the side away from the drain pipe 661 to the drain pipe 661, and the water flow on the side of the ventilation box 66 close to the hollow ring 6 passes through the filter bag 673, so its cleanliness is higher. At this time, with the opening of the drain pipe 661, the water flow with higher cleanliness will flow to the input end of the drain pipe 661, thereby realizing backwashing of the filter bag 673, ensuring the cleanliness of the filter bag 673, and improving the filtering effect of the filter bag 673.

[0042] Reference Figure 1 Among them, the side wall of the buffer eaves 7 is fixedly connected with a water injection pipe 8, the top end of the water injection pipe 8 is connected to the inner cavity of the water collecting tank 71, the bottom end of the water injection pipe 8 is connected to the existing water supply equipment, and a one-way valve is arranged in the water injection pipe 8.

[0043] It should be noted that the one-way valve in the water injection pipe 8 can only allow the existing water supply equipment to transport water into the water collection tank 71 .

[0044] Through the arrangement of the above-mentioned structure, when no rainwater is collected in the water collecting tank 71 and ventilation and heat dissipation are required, the existing water supply equipment can be used to transport water into the water collecting tank 71, so as to smoothly moisten and clean the filter bag 673. This allows the device to collect rainwater and save energy, and it can also be filled with water according to one's own needs, thereby improving the convenience of use.

[0045] Reference Figure 7 , Figure 8 A clean water pipe 662 is fixedly connected to the side wall of the ventilation box 66, and the clean water pipe 662 is connected to the inner cavity of the ventilation box 66 close to the side of the hollow ring 6. Expansion grooves 21 are opened in the connecting parts at both ends of the crossbeam 2, and resistance plates 22 are slidably connected on both sides of the inner cavity of the expansion groove 21. The other end of the clean water pipe 662 is connected to the cavity formed between the resistance plates 22 on both sides, and the cavity is filled with water-swellable polymer.

[0046] Through the arrangement of the above-mentioned structure, when the water flows into the ventilation box 66, the water flow in the inner cavity of the ventilation box 66 on the side close to the hollow ring 6 is filtered by the filter bag 673, and its cleanliness is relatively high. At this time, the clean water will flow into the expansion tank 21 along the clean water pipe 662, and react quickly with the water-swellable polymer in the expansion tank 21, so that the water-swellable polymer expands in the cavity and solidifies into a hard state, and the expansion effect will cause the resistance plates 22 on both sides to expand outward, so as to fit tightly against the inner wall of the groove of the column 1, effectively improving the fixing effect of the beam 2, ensuring the stability of the steel structure building, and improving the safety of the use of the steel structure building.

[0047] Reference Figure 1-Figure 8 In the present invention, when in use, first, according to the dimensions of the installation drawing, multiple columns 1 are fixed on the leveled ground, and the connecting seat 5 is effectively fixedly connected to the ground, and then the beam 2 is hoisted and inserted into two adjacent columns 1 from the top in sequence, and the two are fixed by bolts; when all the beams 2 and columns 1 are installed, the installation frame 3 is hoisted to the top of multiple groups of columns 1, and the two are fixed, and then the roof 4 is hoisted to the top of the installation frame 3, and the two are fixed, so as to form an integral steel structure building, and then multiple groups of support rods 61 are respectively installed and fixed between the beams 2, and finally the decorative layer is installed on the outer surface of the steel structure building to form a complete steel structure building.

[0048] During the use of the steel structure building, if it rains, rainwater will slide to both sides along the roof 4, and finally fall to the ground after the buffer eaves 7 swings and buffers the force, thereby dissipating the energy of the rainwater and reducing the possibility of water dripping through the stone, ensuring the strength of the ground around the steel structure building and improving the stability of the structure; at the same time, when the rainwater slides to the buffer eaves 7, it will pass through the dust filter 73 and drip along the water collection hole 72 into the water collection trough 71, thereby filtering and collecting the rainwater for subsequent reuse of the rainwater, achieving energy-saving effects while also improving the cleanliness of the collected water flow. When ventilation and heat dissipation are required in the steel structure building, the driving motor 64 is turned on, and the transmission effect of the pulley group 65 is used to drive the rotating shaft 62 and the exhaust blade 63 to rotate in the hollow ring 6, so as to attract the external air flow to move quickly along the air inlet pipe 68, the ventilation box 66, the dust filter plate 67 and the hollow ring 6 into the structure building, so as to achieve the ventilation and heat dissipation effect, and when the air flow passes through the dust filter plate 67, it will be filtered by the filter bag 673 arranged inside it, so as to achieve the dust removal effect, and at the same time, the electric motor in the water pipe 74 can be turned on. The magnetic valve allows the stored clean rainwater to flow along the water pipe 74 to the water storage tank 672, and then drips from the drip hole 674 to the top of the filter bag 673, thereby wetting the filter bag 673 from top to bottom. First, the filter bag 673 can be cleaned, and the filtering effect of the filter bag 673 is improved. By wetting the filter bag 673, the dust in the airflow can be well captured, and the airflow can be cooled, which effectively improves the heat dissipation and dust removal effect, and the stored rainwater is utilized, which is more energy-saving and environmentally friendly. In addition, the sewage pipe 661 can be opened to discharge the sewage accumulated in the ventilation box 66, and the water flow near the side of the hollow ring 6 passes through the filter bag 673, so its cleanliness is higher. With the opening of the sewage pipe 661, the water flow with higher cleanliness will flow to the input end of the sewage pipe 661, thereby realizing the backwashing of the filter bag 673, ensuring the cleanliness of the filter bag 673, and improving the filtering effect of the filter bag 673.

[0049] 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 according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An assembled building steel structure, comprising columns (1), beams (2), a mounting frame (3) and a roof (4), characterized in that: The cross beam (2) is fixedly connected between two adjacent columns (1), the installation frame (3) is fixed on the top of a plurality of columns (1), the roof (4) is fixed on the top of the installation frame (3), the bottoms of the columns (1) are fixedly connected with connecting seats (5), and a support assembly is also included. The support assembly is arranged between the upper and lower cross beams (2), and is used to improve the stability of the overall structure.

2. The assembled steel structure according to claim 1, characterized in that: The support assembly comprises a hollow ring (6), the hollow ring (6) is located between the upper and lower cross beams (2), the outer wall of the hollow ring (6) is fixedly connected with support rods (61) around the periphery, four groups of the support rods (61) are symmetrically arranged along the center of the hollow ring (6), and one end of the support rod (61) away from the hollow ring (6) is fixedly connected to the upper and lower cross beams (2).

3. The assembled steel structure according to claim 2, characterized in that: A buffer eave (7) is fixedly connected to the bottom of the slope surface of the roof (4), a water collecting trough (71) is provided in the buffer eave (7), a plurality of groups of water collecting holes (72) are evenly spaced at the top of one side of the buffer eave (7) close to the roof (4), the bottom ends of the water collecting holes (72) are connected to the inner cavity of the water collecting trough (71), a dust filter (73) is fixedly connected to the surface of the buffer eave (7), and the dust filter (73) covers the top of the input end of the water collecting hole (72).

4. The assembled building steel structure according to claim 3, characterized in that: A rotating shaft (62) is rotatably connected inside the hollow ring (6), an exhaust blade (63) is fixedly connected to the end of the rotating shaft (62), a driving motor (64) is fixedly connected to the top of the hollow ring (6), and an output shaft of the driving motor (64) is transmission-connected to the rotating shaft (62) via a pulley set (65).

5. The assembled steel building structure according to claim 4, characterized in that: A ventilation box (66) is fixedly connected to the side wall of the input end of the hollow ring (6), the ventilation box (66) is communicated with the inner cavity of the hollow ring (6), and an air inlet pipe (68) is fixedly connected to the side wall of the ventilation box (66), and a dust filter plate (67) is fixedly connected inside the ventilation box (66).

6. The assembled steel structure according to claim 5, characterized in that: The dust filter plate (67) is provided with a filter groove (671) and a water storage groove (672), respectively; a filter bag (673) is fixedly connected to the filter groove (671); a plurality of groups of drip holes (674) are provided at equal intervals between the water storage groove (672) and the filter groove (671), and the output end of the drip hole (674) is located directly above the filter bag (673).

7. The assembled steel structure according to claim 6, characterized in that: The top of the ventilation box (66) is fixedly connected to a water pipe (74), the other end of the water pipe (74) is connected to the inner cavity of the water collecting tank (71), and the output end of the water pipe (74) is connected to the top of the inner cavity of the water storage tank (672). A sewage pipe (661) is fixedly connected to the side wall of the ventilation box (66), and the sewage pipe (661) is connected to the inner cavity of the ventilation box (66) close to the air inlet pipe (68).

8. The assembled steel building structure according to claim 3, characterized in that: A water injection pipe (8) is fixedly connected to the side wall of the buffer eaves (7), the top end of the water injection pipe (8) is connected to the inner cavity of the water collecting tank (71), the bottom end of the water injection pipe (8) is connected to the existing water supply equipment, and a one-way valve is arranged in the water injection pipe (8).

9. The assembled steel building structure according to claim 5, characterized in that: A clean water pipe (662) is fixedly connected to the side wall of the ventilation box (66), and the clean water pipe (662) is connected to the inner cavity of the ventilation box (66) close to the hollow ring (6). Expansion grooves (21) are provided in the connecting pieces at both ends of the crossbeam (2), and both sides of the inner cavity of the expansion groove (21) are slidably connected with resistance plates (22). The other end of the clean water pipe (662) is connected to the cavity formed between the resistance plates (22) on both sides, and the cavity is filled with a water-swellable polymer.

10. The assembled steel building structure according to claim 1, characterized in that: A plurality of groups of overhead poles (41) are fixedly connected at equal intervals to the top of the inner wall of the roof (4), and both ends of the overhead poles (41) are fixedly connected to the top of the installation frame (3).

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