Construction method of anti-seismic fabricated building steel structure

Abstract

The application relates to the technical field of building steel structure processing, in particular to an anti-seismic fabricated building steel structure construction method, which comprises the following steps: S1, adjusting the interval between a first vertical steel and a second vertical steel to be equal to the length of a first horizontal steel; S2, respectively screwing the two ends of the first horizontal steel with the top outer walls of the first vertical steel and the second vertical steel by using bolts, and respectively screwing the two ends of a second horizontal steel with the bottom outer walls of the first vertical steel and the second vertical steel by using bolts; S3, respectively installing two connecting steel pipes on the mounting blocks of the first horizontal steel and the second horizontal steel by using bolts, and installing a bearing steel block between the two connecting steel pipes; and S4, respectively rotating the two ends of two reinforcing assemblies to be corresponding to the end portions of the first vertical steel and the second vertical steel by using a driving assembly, and screwing the two ends of the two reinforcing assemblies with the outer walls of the first vertical steel and the second vertical steel by using bolts. The two reinforcing assemblies of the application support and reinforce the fabricated steel structure frame, and improve the stability of the steel structure frame.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of building steel structure processing, and particularly relates to a construction method of an anti-seismic assembled building steel structure. BACKGROUND

[0002] From the global earthquake disaster investigation, it can be found that more than 95% of human casualties are caused by building damage or collapse. Preventing the vibration of buildings and building anti-seismic buildings that can withstand strong earthquakes is the most direct and effective method to reduce earthquake disasters. Improving the anti-seismic performance of buildings is one of the main measures to improve the comprehensive defense capability of cities.

[0003] The existing assembled steel structure has poor anti-seismic capability, and the connecting nodes of the assembled steel structure are prone to fracture during an earthquake, causing the collapse of the entire steel structure. SUMMARY

[0004] The present application aims to provide a construction method of an anti-seismic assembled building steel structure to solve the problem that the connecting nodes of the assembled steel structure are prone to fracture during an earthquake, causing the collapse of the entire steel structure.

[0005] The technical scheme of the present application is as follows:

[0006] An anti-seismic assembled building steel structure comprises a first vertical steel, a second vertical steel, a first horizontal steel, a second horizontal steel and two connecting steel pipes, the first vertical steel and the second vertical steel are arranged at intervals, the two ends of the first horizontal steel are respectively screwed with the top outer walls of the first vertical steel and the second vertical steel, the two ends of the second horizontal steel are respectively screwed with the bottom outer walls of the first vertical steel and the second vertical steel, the first horizontal steel and the second horizontal steel are each provided with a mounting block, the two connecting steel pipes are respectively mounted on the mounting blocks of the first horizontal steel and the second horizontal steel, a bearing steel block is arranged between the two connecting steel pipes, two reinforcing assemblies are oppositely arranged on the bearing steel block, the two ends of the two reinforcing assemblies are respectively screwed with the outer walls of the first vertical steel and the second vertical steel, and the first horizontal steel and the second horizontal steel are provided with a driving assembly for driving the two reinforcing assemblies to rotate.

[0007] Further, the reinforcing assembly comprises a rotating shaft and a reinforcing steel, the rotating shaft is rotatably mounted on the outer wall of the bearing steel block, the reinforcing steel is mounted at the end of the rotating shaft, and the two ends of the reinforcing steel are respectively screwed with the outer walls of the first vertical steel and the second vertical steel.

[0008] Further, the driving assembly comprises a driving base, a driving shaft, a mounting base, a rotating shaft, a rotating handle, a driving wheel, a driven wheel, a belt and two driving members, the driving base is installed at the top of the second cross steel, the driving shaft is rotatably installed at the top end of the driving base, and the two ends of the driving shaft extend to the outside of the driving base respectively, the mounting base is arranged at the bottom of the first cross steel, the rotating shaft is rotatably installed at the bottom end of the mounting base, and one end of the rotating shaft extends to the outside of the mounting base, the rotating handle is installed at the end of the rotating shaft extending to the outside of the mounting base, the driving wheel is installed on the rotating shaft, the driven wheel is installed on the driving shaft, the belt is sleeved outside the driving wheel and the driven wheel, and the two driving members are symmetrically arranged at the ends of the driving shaft, and one end of each of the two driving members is connected with the rotating shaft in the two reinforcing assemblies.

[0009] Further, the driving member comprises a driving sprocket, a driven sprocket and a chain, the driving sprocket is installed at the end of the driving shaft, the driven sprocket is installed on the rotating shaft, and the chain is sleeved outside the driving sprocket and the driven sprocket.

[0010] Further, the top end of the bearing steel block is provided with an accommodating groove, the accommodating groove is provided with an oil storage cylinder, two oil injection assemblies are symmetrically arranged on the outer wall of the bearing steel block, one end of each of the two oil injection assemblies extends to the side of the driven sprocket in the two driving members, and the top of the bearing steel block is further provided with an oil extrusion assembly.

[0011] Further, the oil injection assembly comprises a conveying pipe, an oil injection nozzle and a one-way valve, the tail end of the conveying pipe is in communication with the inside of the oil storage cylinder, the head end of the conveying pipe extends to the side of the driven sprocket, the oil injection nozzle is installed at the head end of the conveying pipe and faces the driven sprocket, and the one-way valve is installed on the conveying pipe.

[0012] Further, the oil extrusion assembly comprises a U-shaped frame, a pressing column, a pressing handle, a piston and a connecting spring, the U-shaped frame is installed at the top of the bearing steel block, the pressing column is slidably installed on the U-shaped frame, the pressing handle is installed at the top of the pressing column, the piston is installed at the bottom of the pressing column, and the connecting spring is sleeved outside the pressing column and connected with the U-shaped frame and the pressing handle at the two ends respectively.

[0013] Further, the outer wall of the mounting base is provided with a limiting disc, a plurality of limiting holes are arranged at equal intervals on the limiting disc, a limiting bolt is arranged on the rotating handle, and the tail end of the limiting bolt is screwed with the corresponding limiting hole.

[0014] A construction method of a shock-resistant fabricated building steel structure, comprising the following steps,

[0015] S1, adjust the spacing between the first vertical steel and the second vertical steel to be equal to the length of the first cross steel;

[0016] S2, the two ends of the first horizontal steel are respectively screwed with the top end outer wall of the first vertical steel and the second vertical steel by using bolts, and the two ends of the second horizontal steel are respectively screwed with the bottom end outer wall of the first vertical steel and the second vertical steel by using bolts;

[0017] S3, two connecting steel pipes are respectively installed on the mounting blocks of the first horizontal steel and the second horizontal steel by using bolts, and then a bearing steel block is installed between the two connecting steel pipes;

[0018] S4, then the two reinforcing assemblies are rotated by using the driving assembly, the two ends of the two reinforcing assemblies are respectively rotated to correspond to the end portions of the first vertical steel and the second vertical steel, and then the two ends of the two reinforcing assemblies are screwed with the outer walls of the first vertical steel and the second vertical steel by using bolts.

[0019] The present application provides an anti-seismic fabricated building steel structure construction method by improving, compared with the prior art, has the following improvements and advantages:

[0020] Firstly, the two reinforcing assemblies are rotated by using the driving assembly, the two ends of the two reinforcing assemblies are respectively rotated to correspond to the end portions of the first vertical steel and the second vertical steel, and then the two ends of the two reinforcing assemblies are screwed with the outer walls of the first vertical steel and the second vertical steel by using bolts, the two reinforcing assemblies can support and reinforce the fabricated steel structure frame formed by the first vertical steel, the second vertical steel, the first horizontal steel and the second horizontal steel, improve the stability of the fabricated steel structure frame, ensure that the connection node of the fabricated steel structure will not be broken during the earthquake, avoid causing the collapse of the whole steel structure, improve the anti-seismic coefficient of the steel structure.

[0021] Secondly, the rotating handle is manually rotated, the rotating handle drives the rotating shaft and the driving wheel to rotate, the driving wheel drives the driven wheel and the driving shaft to rotate by using the belt, the driving shaft drives the two driving members to work, and the two driving members drive the rotating shafts in the two reinforcing assemblies to realize synchronous rotation.

[0022] Thirdly, a certain amount of lubricating oil is stored in the oil storage cylinder, and then the lubricating oil in the oil storage cylinder is extruded by using the oil extrusion assembly, the lubricating oil in the oil storage cylinder is extruded into the two oil injection assemblies, and the two oil injection assemblies respectively inject the lubricating oil therein onto the driven sprocket in the two driving members, thereby realizing the lubrication of the driven sprocket, the chain and the driving sprocket in turn, and ensuring the stability of the work. BRIEF DESCRIPTION OF DRAWINGS

[0023] The present application will be further explained below in conjunction with the drawings and examples:

[0024] Figure 1 is a schematic diagram of the three-dimensional structure of the present application Figure One ;

[0025] Figure 2is a partial perspective view of the present application Figure One ;

[0026] Figure 3 is a partial perspective view of the present application Figure Two ;

[0027] Figure 4 is a partial perspective view of the present application Figure Three ;

[0028] Figure 5 is a partial side view of the present application

[0029] Figure 6 is a partial perspective view of the present application Figure Four ;

[0030] Figure 7 is Figure 6 an enlarged view of A in FIG. 7

[0031] Figure 8 is a partial perspective view of the present application Figure Five .

[0032] BRIEF DESCRIPTION OF DRAWINGS

[0033] First vertical steel 1, second vertical steel 2, first horizontal steel 21, second horizontal steel 22, connecting steel pipe 3, mounting block 4, bearing steel block 41, reinforcing assembly 5, rotating shaft 51, reinforcing steel 52, driving assembly 6, driving seat 61, driving shaft 62, mounting seat 63, limiting disc 631, limiting hole 632, rotating shaft 64, rotating handle 65, limiting bolt 651, driving wheel 66, driven wheel 67, belt 68, driving part 69, driving sprocket 691, driven sprocket 692, chain 693, containing groove 7, oil storage cylinder 71, oil injection assembly 8, conveying pipe 81, oil injection nozzle 82, one-way valve 83, oil extrusion assembly 9, U-shaped frame 91, pressing column 92, pressing handle 93, piston 94, connecting spring 95. DETAILED DESCRIPTION

[0034] The present application will be described in detail below, and the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0035] The present application provides an anti-seismic fabricated building steel structure by improvement, such as Figures 1-8As shown, it comprises a first vertical steel 1, a second vertical steel 2, a first horizontal steel 21, a second horizontal steel 22 and two connecting steel pipes 3, the first vertical steel 1 and the second vertical steel 2 are arranged at intervals, the two ends of the first horizontal steel 21 are respectively screwed with the top end outer wall of the first vertical steel 1 and the second vertical steel 2, the two ends of the second horizontal steel 22 are respectively screwed with the bottom end outer wall of the first vertical steel 1 and the second vertical steel 2, the first horizontal steel 21 and the second horizontal steel 22 are both provided with a mounting block 4, two connecting steel pipes 3 are mounted on the mounting block 4 of the first horizontal steel 21 and the second horizontal steel 22 respectively, a bearing steel block 41 is arranged between the two connecting steel pipes 3, two reinforcing assemblies 5 are arranged on the bearing steel block 41 in opposition, the two ends of the two reinforcing assemblies 5 are respectively screwed with the outer wall of the first vertical steel 1 and the second vertical steel 2, and the first horizontal steel 21 and the second horizontal steel 22 are provided with a driving assembly 6 for driving the rotation of the two reinforcing assemblies 5; by using the driving assembly 6 to drive the rotation of the two reinforcing assemblies 5, the two ends of the two reinforcing assemblies 5 are respectively rotated to correspond to the end portions of the first vertical steel 1 and the second vertical steel 2, and then the two ends of the two reinforcing assemblies 5 are screwed with the outer wall of the first vertical steel 1 and the second vertical steel 2 by using bolts, the two reinforcing assemblies 5 can support and reinforce the fabricated steel structure frame formed by the first vertical steel 1, the second vertical steel 2, the first horizontal steel 21 and the second horizontal steel 22, improve the stability of the fabricated steel structure frame, ensure that the connecting nodes of the fabricated steel structure will not be broken during an earthquake, avoid causing the collapse of the entire steel structure, and improve the seismic coefficient of the steel structure.

[0036] Specifically, the reinforcing assembly 5 comprises a rotating shaft 51 and a reinforcing steel 52, the rotating shaft 51 is rotatably installed on the outer wall of the bearing steel block 41, the reinforcing steel 52 is installed at the end of the rotating shaft 51, and the two ends of the reinforcing steel 52 are respectively screwed with the outer wall of the first vertical steel 1 and the second vertical steel 2; by driving the rotating shaft 51 to rotate by the driving assembly 6, the rotating shaft 51 drives the reinforcing steel 52 to rotate, which facilitates the rotation of the two ends of the reinforcing steel 52 to correspond to the end portions of the first vertical steel 1 and the second vertical steel 2, and then facilitates the screwing of the two ends of the reinforcing steel 52 with the outer wall of the first vertical steel 1 and the second vertical steel 2 by using bolts, and the reinforcing steel 52 supports and reinforces the fabricated steel structure frame formed by the first vertical steel 1, the second vertical steel 2, the first horizontal steel 21 and the second horizontal steel 22, ensuring that the connecting nodes of the fabricated steel structure will not be broken during an earthquake.

[0037] Specifically, the driving assembly 6 comprises a driving base 61, a driving shaft 62, a mounting base 63, a rotating shaft 64, a rotating handle 65, a driving wheel 66, a driven wheel 67, a belt 68 and two driving members 69, the driving base 61 is installed at the top of the second cross steel 22, the driving shaft 62 is rotatably installed at the top end of the driving base 61, and the two ends of the driving shaft 62 extend to the outside of the driving base 61 respectively, the mounting base 63 is arranged at the bottom of the first cross steel 21, the rotating shaft 64 is rotatably installed at the bottom end of the mounting base 63, and one end of the rotating shaft 64 extends to the outside of the mounting base 63, the rotating handle 65 is installed at the end of the rotating shaft 64 extending to the outside of the mounting base 63, the driving wheel 66 is installed on the rotating shaft 64, the driven wheel 67 is installed on the driving shaft 62, the belt 68 is sleeved outside the driving wheel 66 and the driven wheel 67, and the two driving members 69 are symmetrically arranged at the ends of the driving shaft 62 and one end of each of the two driving members 69 is connected with the rotating shaft 51 in the two reinforcing assemblies 5; the rotating handle 65 is manually rotated to drive the rotating shaft 64 and the driving wheel 66 to rotate, the driving wheel 66 drives the driven wheel 67 and the driving shaft 62 to rotate by means of the belt 68, the driving shaft 62 drives the two driving members 69 to work, and the two driving members 69 drive the rotating shaft 51 in the two reinforcing assemblies 5 to rotate synchronously.

[0038] Specifically, the driving member 69 comprises a driving sprocket 691, a driven sprocket 692 and a chain 693, the driving sprocket 691 is installed at the end of the driving shaft 62, the driven sprocket 692 is installed on the rotating shaft 51, and the chain 693 is sleeved outside the driving sprocket 691 and the driven sprocket 692; the driving sprocket 691 is driven to rotate by the driving shaft 62, the driving sprocket 691 drives the driven sprocket 692 to rotate by means of the chain 693, and finally the driven sprocket 692 drives the rotating shaft 51 to rotate, thereby facilitating the rotating shaft 51 to drive the reinforcing steel 52 to rotate.

[0039] Specifically, the top end of the bearing steel block 41 is provided with an accommodating groove 7, the accommodating groove 7 is provided with an oil storage cylinder 71, two oil injection assemblies 8 are symmetrically arranged on the outer wall of the bearing steel block 41, one end of each of the two oil injection assemblies 8 extends to the side of the driven sprocket 692 in the two driving members 69, and the top of the bearing steel block 41 is further provided with an oil extrusion assembly 9; a certain amount of lubricating oil is stored in the oil storage cylinder 71, and then the oil extrusion assembly 9 is used to extrude the lubricating oil in the oil storage cylinder 71, the lubricating oil in the oil storage cylinder 71 is extruded into the two oil injection assemblies 8, the two oil injection assemblies 8 respectively inject the lubricating oil therein onto the driven sprocket 692 in the two driving members 69, thereby realizing the lubrication of the driven sprocket 692, the chain 693 and the driving sprocket 691 in turn, and ensuring the stability of the work.

[0040] Specifically, the oil injection assembly 8 comprises a delivery pipe 81, an oil injection nozzle 82 and a one-way valve 83, the tail end of the delivery pipe 81 is connected with the inside of the oil storage cylinder 71, the head end of the delivery pipe 81 extends to the side of the driven sprocket 692, the oil injection nozzle 82 is installed at the head end of the delivery pipe 81 and is arranged towards the driven sprocket 692, and the one-way valve 83 is installed on the delivery pipe 81; the lubricating oil in the oil storage cylinder 71 is extruded into the delivery pipe 81 through the oil extrusion assembly 9, then the lubricating oil in the delivery pipe 81 flows to the oil injection nozzle 82 under the action of the one-way valve 83, the lubricating oil in the oil injection nozzle 82 is sprayed onto the driven sprocket 692, and the driven sprocket 692, the chain 693 and the driving sprocket 691 are sequentially lubricated.

[0041] Specifically, the oil extrusion assembly 9 comprises a U-shaped frame 91, a pressing column 92, a pressing handle 93, a piston 94 and a connecting spring 95, the U-shaped frame 91 is installed on the top of the bearing steel block 41, the pressing column 92 is slidingly installed on the U-shaped frame 91, the pressing handle 93 is installed on the top of the pressing column 92, the piston 94 is installed on the bottom of the pressing column 92, and the connecting spring 95 is sleeved on the outside of the pressing column 92 and connected with the U-shaped frame 91 and the pressing handle 93 at two ends; the pressing handle 93 is pressed downwards manually, the pressing handle 93 drives the piston 94 to move downwards by the pressing column 92, the piston 94 moves downwards into the oil storage cylinder 71, the piston 94 continues to move downwards in the oil storage cylinder 71 to extrude the lubricating oil into the delivery pipe 81, and when the lubricating oil injection is completed, the pressing of the pressing handle 93 is cancelled manually, and the piston 94 is driven to move upwards and reset in the process of releasing the elastic force of the connecting spring 95.

[0042] Specifically, the outer wall of the mounting seat 63 is provided with a limiting disc 631, a plurality of limiting holes 632 are arranged at equal intervals on the limiting disc 631, the rotating handle 65 is provided with a limiting bolt 651, and the tail end of the limiting bolt 651 is screwed with the corresponding limiting hole 632.

[0043] The application also provides a construction method of the anti-seismic fabricated building steel structure.

[0044] S1, the interval between the first vertical steel 1 and the second vertical steel 2 is adjusted to be equal to the length of the first horizontal steel 21.

[0045] S2, the two ends of the first horizontal steel 21 are screwed with the top outer wall of the first vertical steel 1 and the second vertical steel 2 by bolts respectively, and the two ends of the second horizontal steel 22 are screwed with the bottom outer wall of the first vertical steel 1 and the second vertical steel 2 by bolts respectively.

[0046] S3, the two connecting steel pipes 3 are respectively installed on the mounting blocks 4 of the first and second horizontal steels 21 and 22 by using bolts, and then the bearing steel blocks 41 are installed between the two connecting steel pipes 3;

[0047] S4, then the two reinforcing assemblies 5 are rotated by using the driving assembly 6, the two ends of the two reinforcing assemblies 5 are respectively rotated to correspond to the end portions of the first and second vertical steels 1 and 2, and then the two ends of the two reinforcing assemblies 5 are screwed with the outer walls of the first and second vertical steels 1 and 2 by using bolts.

[0048] The above description of disclosed embodiments enables those skilled in the art to carry out or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to these embodiments shown herein, but will accord with the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A seismic pre-fabricated building steel structure, characterized by: The utility model provides a kind of steel pipe connection structure, including first vertical steel (1), second vertical steel (2), first horizontal steel (21), second horizontal steel (22) and two connecting steel pipes (3), first vertical steel (1) and second vertical steel (2) are interval arrangement, the both ends of first horizontal steel (21) are respectively connected with the top outer wall of first vertical steel (1) and second vertical steel (2) with screw, the both ends of second horizontal steel (22) are respectively connected with the bottom outer wall of first vertical steel (1) and second vertical steel (2) with screw, mounting block (4) is all equipped on first horizontal steel (21) and second horizontal steel (22), two connecting steel pipes (3) are respectively mounted on the mounting block (4) of first horizontal steel (21) and second horizontal steel (22), load steel block (41) is equipped between two connecting steel pipes (3), two reinforcing assemblies (5) are oppositely provided on load steel block (41), the both ends of two reinforcing assemblies (5) are respectively connected with the outer wall of first vertical steel (1) and second vertical steel (2) with screw, driving assembly (6) for rotating two reinforcing assemblies (5) is equipped on first horizontal steel (21) and second horizontal steel (22);Driving assembly (6) includes driving seat (61), drive shaft (62), mounting seat (63), rotating shaft (64), rotating handle (65), driving wheel (66), driven wheel (67), belt (68) and two driving parts (69), driving seat (61) is installed on the top of second horizontal steel (22), drive shaft (62) is rotatably installed on the top of driving seat (61), and the both ends of drive shaft (62) extend to the outside of driving seat (61) respectively, mounting seat (63) is arranged at the bottom of first horizontal steel (21), rotating shaft (64) is rotatably installed on the bottom of mounting seat (63), and one end of rotating shaft (64) extends to the outside of mounting seat (63), rotating handle (65) is installed on the one end of rotating shaft (64) extending to the outside of mounting seat (63), driving wheel (66) is installed on rotating shaft (64), driven wheel (67) is installed on drive shaft (62), belt (68) is sleeved on the outside of driving wheel (66) and driven wheel (67), two driving parts (69) are symmetrically arranged on the end of drive shaft (62), and one end of two driving parts (69) is connected with the rotating shaft (51) in two reinforcing assemblies (5) respectively;Driving part (69) includes driving sprocket (691), driven sprocket (692) and chain (693), driving sprocket (691) is installed on the end of drive shaft (62), driven sprocket (692) is installed on rotating shaft (51), chain (693) is sleeved on the outside of driving sprocket (691) and driven sprocket (692).

2. The anti-seismic fabricated building steel structure according to claim 1, characterized in that: Reinforcing assembly (5) includes rotating shaft (51) and reinforcing steel (52), rotating shaft (51) is rotatably installed on the outer wall of load steel block (41), reinforcing steel (52) is installed on the end of rotating shaft (51), and the both ends of reinforcing steel (52) are respectively connected with the outer wall of first vertical steel (1) and second vertical steel (2) with screw.

3. The anti-seismic fabricated building steel structure according to claim 1, characterized in that: The top end of the bearing steel block (41) is provided with an accommodating groove (7), the accommodating groove (7) is provided with an oil storage cylinder (71), the outer wall of the bearing steel block (41) is symmetrically provided with two oil injection assemblies (8), one end of the two oil injection assemblies (8) respectively extends to the side of the driven sprocket (692) in the two driving members (69), and the top of the bearing steel block (41) is also provided with an oil extrusion assembly (9).

4. The anti-seismic fabricated building steel structure according to claim 3, characterized in that: The oil injection assembly (8) comprises a conveying pipe (81), an oil injection nozzle (82) and a one-way valve (83), the tail end of the conveying pipe (81) is connected with the inside of the oil storage cylinder (71), the head end of the conveying pipe (81) extends to the side of the driven sprocket (692), the oil injection nozzle (82) is installed at the head end of the conveying pipe (81), and the oil injection nozzle (82) is arranged towards the driven sprocket (692), and the one-way valve (83) is installed on the conveying pipe (81).

5. The anti-seismic fabricated building steel structure according to claim 3, characterized in that: The oil extrusion assembly (9) comprises a U-shaped frame (91), a pressing column (92), a pressing handle (93), a piston (94) and a connecting spring (95), the U-shaped frame (91) is installed at the top of the bearing steel block (41), the pressing column (92) is slidingly installed on the U-shaped frame (91), the pressing handle (93) is installed at the top of the pressing column (92), the piston (94) is installed at the bottom of the pressing column (92), and the connecting spring (95) is sleeved on the outside of the pressing column (92), and the two ends of the connecting spring (95) are connected with the U-shaped frame (91) and the pressing handle (93) respectively.

6. The anti-seismic fabricated building steel structure according to claim 1, characterized in that: The outer wall of the mounting seat (63) is provided with a limiting disc (631), a plurality of limiting holes (632) are arranged at equal intervals on the limiting disc (631), a limiting bolt (651) is arranged on the rotating handle (65), and the tail end of the limiting bolt (651) is screwed with the corresponding limiting hole (632).

7. The construction method of a seismic assembled building steel structure according to claim 1, characterized in that, The method comprises the following steps: S1, adjusting the spacing between the first vertical steel (1) and the second vertical steel (2) to be equal to the length of the first horizontal steel (21); S2, using bolts to screw the two ends of the first horizontal steel (21) with the top outer wall of the first vertical steel (1) and the second vertical steel (2) respectively, and using bolts to screw the two ends of the second horizontal steel (22) with the bottom outer wall of the first vertical steel (1) and the second vertical steel (2) respectively; S3, using bolts to install the two connecting steel pipes (3) on the mounting blocks (4) of the first horizontal steel (21) and the second horizontal steel (22) respectively, and then installing the bearing steel block (41) between the two connecting steel pipes (3); S4, then using the driving assembly (6) to drive the two reinforcing assemblies (5) to rotate, rotating the two ends of the two reinforcing assemblies (5) to correspond to the ends of the first vertical steel (1) and the second vertical steel (2) respectively, and then using bolts to screw the two ends of the two reinforcing assemblies (5) with the outer walls of the first vertical steel (1) and the second vertical steel (2).

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