Fabricated anti-seismic steel structure

By introducing buffer connections and locking mechanisms into prefabricated seismic-resistant steel structures, the problem of steel structure collisions during transportation is solved, achieving stable connections and maintaining seismic performance during transportation.

CN121590871APending Publication Date: 2026-03-03JIANGNAN UNIV
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Patent Information

Application Number
CN202411165471.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-08-23
Publication Date
2026-03-03

AI Technical Summary

Technical Problem

Existing prefabricated earthquake-resistant steel structures are prone to collisions during transportation due to bumps and sudden braking, which affects subsequent installation and use.

Method used

The system employs a buffer connection mechanism and a locking mechanism, including a U-shaped connecting seat, a buffer connector, a locking mechanism, a buffer guide, and a secondary positioning mechanism, to ensure the stable connection of the main steel structure during transportation and prevent collisions.

Benefits of technology

During transportation, prevent collision damage between steel structures, maintain seismic resistance, and ensure the stability and safety of subsequent installation and use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of steel structure buildings, in particular to an assembly type anti-seismic steel structure which comprises a steel structure body, the steel structure body comprises a first steel plate and a second steel plate, and the assembly type anti-seismic steel structure further comprises a first connecting base and a second connecting base, the first connecting seat and the second connecting seat are positioned at two ends between the first steel plate and the second steel plate; a buffer connection mechanism; according to the assembly type anti-seismic steel structure, it can be guaranteed that the steel structure body has the anti-seismic effect, meanwhile, the multiple assembly type anti-seismic steel structures are stably connected through the clamping mechanisms before the assembly type anti-seismic steel structures are transported, and therefore the assembly type anti-seismic steel structures can be integrally and relatively fixed to a transport vehicle in the transportation process; and the assembly type anti-seismic steel structures are prevented from being damaged due to mutual collision caused by factors such as vehicle bumping and sudden braking, and then the anti-seismic effect and subsequent installation and use of the assembly type anti-seismic steel structures are guaranteed.
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Description

Technical Field

[0001] This invention relates to the field of steel structure building technology, specifically to a prefabricated earthquake-resistant steel structure. Background Technology

[0002] Prefabricated seismic-resistant steel structures are buildings in which steel structural components are prefabricated in a factory and then assembled on the construction site using methods such as welding, bolts, or rivets. This construction method not only has the advantages of prefabricated buildings, such as fast construction speed and controllable quality, but also makes full use of the excellent seismic performance of steel structures.

[0003] After processing, existing prefabricated seismic-resistant steel structures are transported to the construction site by transport vehicles. During transportation, because the prefabricated seismic-resistant steel structures are stacked, multiple structures are stacked together. During transportation, due to vehicle bumps, sudden braking, and other reasons, the relative displacement between the prefabricated seismic-resistant steel structures is caused, resulting in collisions and deformation between them, which affects the subsequent installation and use of the prefabricated seismic-resistant steel structures. Summary of the Invention

[0004] The purpose of this invention is to provide a prefabricated earthquake-resistant steel structure to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a prefabricated earthquake-resistant steel structure, comprising a steel structure main body, wherein the steel structure main body includes a first steel plate and a second steel plate, and further comprising:

[0006] The first connecting seat and the second connecting seat are both U-shaped and are located at both ends between the first steel plate and the second steel plate.

[0007] A buffer connection mechanism is provided, which is connected to a first connecting seat and a second connecting seat respectively, and is installed between a first steel plate and a second steel plate.

[0008] The locking mechanism is disposed on the first connecting seat and the second connecting seat, and the locking mechanism is used to connect two adjacent steel structure bodies during transportation to avoid collision damage to adjacent steel structure bodies and their components.

[0009] The buffer connection mechanism includes two support seats that are fixedly connected to the first steel plate. A support shaft is fixedly installed at each of the two support seats, and a first connecting rod is rotatably connected to both ends of the support shaft.

[0010] The ends of the two first connecting rods away from the support shaft are rotatably connected to each other by a rotating shaft, and the two rotating shafts are respectively fixedly installed on the first connecting seat and the second connecting seat;

[0011] A connector is provided between the rotating shaft and the second steel plate;

[0012] Buffer and shock-absorbing components are installed at both ends between the first connecting seat and the second connecting seat. Through the buffer connection mechanism, the first steel plate and the second steel plate are buffered together.

[0013] The connector includes two fixed seats mounted on the second steel plate, a fixed shaft fixedly installed between the two fixed seats, and two second connecting rods rotatably connected to the outside of the fixed shaft, the two second connecting rods being rotatably sleeved on the outside of the rotating shaft.

[0014] The buffer and shock-absorbing component includes hinged supports installed at one end of the first connecting seat and the second connecting seat respectively. A sliding rod and a sliding sleeve are respectively hinged on the two hinged supports by a pin. One end of the sliding rod is slidably connected inside the sliding sleeve, and a limit plate is fixedly installed at the end of the sliding rod inside the sliding sleeve.

[0015] The sliding sleeve is equipped with a buffer spring inside, and the two ends of the buffer spring are fixedly connected to the sliding sleeve and the limiting plate respectively. Through the buffer and shock-absorbing components, the first connecting seat and the second connecting seat are connected.

[0016] The engaging mechanism includes a first support sleeve and a second support sleeve respectively disposed at the top and bottom of the first connecting seat and the second connecting seat, and buffer guides are provided on the first steel plate and the second steel plate at positions corresponding to the first support sleeve and the second support sleeve.

[0017] The first support sleeve is equipped with a support spring, and one end of the support spring is fixedly connected to a first connecting rod. The first connecting rod slides through the first support sleeve, and one end of the first connecting rod located outside the first support sleeve is fixedly connected to the first connecting seat.

[0018] A snap-fit ​​component is installed on the side of the first connector away from the second connector;

[0019] The second support sleeve is equipped with a clamping component, and both clamping components are connected to the second connecting seat. Through the provided clamping mechanism, the adjacent prefabricated seismic steel structures are clamped and connected before transportation.

[0020] The buffer guide includes two guide blocks respectively installed on the outside of the first support sleeve and the second support sleeve. A fixed frame slides through the outside of the two guide blocks, and multiple fixed frames are fixedly connected to the adjacent first steel plate and second steel plate respectively.

[0021] A guide rod slides through the guide block, and a fixing block for supporting the guide rod is installed on the fixing frame. A positioning spring is installed on one of the fixing blocks. The positioning spring is sleeved on the outside of the guide rod, and one end of the positioning spring is fixedly connected to the guide block. Through the provided buffer guide, the first support sleeve and the second support sleeve are buffered and connected.

[0022] The second connecting seat has a snap-fit ​​groove inside, and the side of the second connecting seat away from the first connecting seat has an opening that communicates with the snap-fit ​​groove. The snap-fit ​​end of the clamping member is located at the snap-fit ​​groove. The snap-fit ​​groove provided at the second connecting seat enables the snap-fit ​​end of the snap-fit ​​member to be snapped.

[0023] The clamping component includes a first connecting spring installed inside the second support sleeve. One end of the first connecting spring is fixedly connected to a second connecting rod. One end of the second connecting rod is located at the snap-fit ​​groove, and the end of the second connecting rod located inside the snap-fit ​​groove is fixedly connected to a snap-fit ​​block. The second connecting rod is slidably connected to the second support sleeve and the second connecting seat.

[0024] A secondary positioning mechanism is provided between the second connecting rod and the second support sleeve, and the second support sleeve has two sliding ports corresponding to the position of the secondary positioning mechanism. Through the provided clamping parts, the connection between the clamping parts is realized.

[0025] The secondary positioning mechanism includes a toggle plate fixedly sleeved on the outside of the second connecting rod. Two toggle rods are fixedly installed on the outside of the toggle plate and slide through the sliding opening. A second connecting spring is fixedly connected to the toggle plate and sleeved on the outside of the second connecting rod. One end of the second connecting spring is fixedly connected to a positioning plate, and the positioning plate is fixedly connected to the second connecting rod. Through the provided secondary positioning mechanism, the second connecting rod can be positioned in a secondary manner.

[0026] The locking block has a locking groove at one end near the locking member, and the locking groove is L-shaped. The locking member includes a locking shell installed on the outside of the first connecting seat. A locking spring is installed inside the locking shell. A locking block is installed at one end of the locking spring, and the locking block slides through one side of the locking shell. The end of the locking block away from the locking shell is the locking end. When the first connecting seat is connected to the adjacent second connecting seat, one end of the locking block is locked into the locking groove inside the adjacent second connecting seat and locked into both locking grooves. Through the provided locking member, the locking function of the locking block is realized.

[0027] The present invention has at least the following beneficial effects:

[0028] 1. When in use, this invention, through the first connecting seat and the second connecting seat respectively provided on the first steel plate and the second steel plate, as well as the buffer connecting mechanism and the locking mechanism, can ensure that the main body of the steel structure has a seismic resistance function. Before the prefabricated seismic-resistant steel structure is transported, the locking mechanism can stably connect multiple prefabricated seismic-resistant steel structures to each other, so that the prefabricated seismic-resistant steel structure can be relatively fixed on the transport vehicle as a whole during the transportation process. This prevents the prefabricated seismic-resistant steel structures from colliding and being damaged by factors such as vehicle bumps and sudden braking, thereby ensuring the seismic resistance effect of the prefabricated seismic-resistant steel structure and its subsequent installation and use.

[0029] 2. The present invention, through its locking mechanism, effectively protects the components of the prefabricated earthquake-resistant steel structure during transportation. Attached Figure Description

[0030] Figure 1 This is a schematic diagram showing the connection status of multiple steel structure main bodies in this invention;

[0031] Figure 2 This is a front view of the connection status of multiple steel structure main bodies in this invention;

[0032] Figure 3 This is a side cross-sectional view of the first connecting seat and the second connecting seat in the connected state of the present invention;

[0033] Figure 4 For the present invention Figure 3 Enlarged structural diagram of region A in the middle;

[0034] Figure 5 This is a schematic diagram of the main steel structure of the present invention;

[0035] Figure 6 This is a schematic diagram of the structure of the first connecting rod and the second connecting rod of the present invention;

[0036] Figure 7This is a schematic diagram of the internal structure of the first support sleeve and the second support sleeve of the present invention;

[0037] Figure 8 For the present invention Figure 7 Schematic diagram of the enlarged structure of B;

[0038] Figure 9 This is a schematic diagram of the internal structure of the sliding sleeve of the present invention.

[0039] In the diagram: 1-Steel structure main body; 11-First steel plate; 12-Second steel plate; 2-First connecting seat; 3-Second connecting seat; 31-Snap-fit ​​groove; 4-Buffer connection mechanism; 41-Support seat; 42-Support shaft; 43-First connecting rod; 44-Rotation shaft; 45-Connector; 451-Fixed seat; 452-Fixed shaft; 453-Second connecting rod; 46-Buffer and shock-absorbing component; 461-Hinge support; 462-Slide rod; 463-Slide sleeve; 464-Buffer spring; 5-Snap-fit ​​mechanism; 51-First support sleeve; 52-Second support sleeve; 521-Sliding port; 53-Buffer guide; 531-Guide block; 532-Fixed frame; 533-Guide rod; 534-Fixed block; 535-Positioning spring; 54-Supporting spring; 55-First connecting rod; 56-Snap-fit ​​component; 561-Locking shell; 562-Locking spring; 563-Locking block; 6-Snap-fit ​​component; 61-First connecting spring; 62-Second connecting rod; 63-Snap-fit ​​block; 631-Locking groove; 7-Secondary positioning mechanism; 71-Actuating plate; 72-Actuating rod; 73-Second connecting spring; 74-Positioning plate; 8-Magnet. Detailed Implementation

[0040] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0041] Example 1

[0042] Please see Figures 1 to 9 A prefabricated seismic-resistant steel structure includes a steel structure main body 1, which includes a first steel plate 11 and a second steel plate 12, and also includes:

[0043] The first connecting seat 2 and the second connecting seat 3 are both U-shaped, and the first connecting seat 2 and the second connecting seat 3 are located at both ends between the first steel plate 11 and the second steel plate 12;

[0044] The buffer connecting mechanism 4 is connected to the first connecting seat 2 and the second connecting seat 3 respectively, and the buffer connecting mechanism 4 is installed between the first steel plate 11 and the second steel plate 12.

[0045] The locking mechanism 5 is disposed on the first connecting seat 2 and the second connecting seat 3, and the locking mechanism 5 is used to connect two adjacent steel structure bodies 1 during transportation to avoid collision damage to adjacent steel structure bodies 1 and their components.

[0046] The buffer connection mechanism 4 includes two support seats 41 that are fixedly connected to the first steel plate 11. A support shaft 42 is fixedly installed at each of the two support seats 41. A first connecting rod 43 is rotatably connected to both ends of the support shaft 42.

[0047] Two first connecting rods 43 are rotatably connected to each other at the ends away from the support shaft 42 by rotating shafts 44, and the two rotating shafts 44 are respectively fixedly installed on the first connecting seat 2 and the second connecting seat 3;

[0048] A connector 45 is connected between the rotating shaft 44 and the second steel plate 12. The connector 45 includes two fixed seats 451 installed on the second steel plate 12. A fixed shaft 452 is fixedly installed between the two fixed seats 451. Two second connecting rods 453 are rotatably connected to the outside of the fixed shaft 452. The two second connecting rods 453 are rotatably sleeved on the outside of the rotating shaft 44.

[0049] Buffer and shock-absorbing components 46 are installed at both ends between the first connecting seat 2 and the second connecting seat 3.

[0050] The buffer shock absorber 46 includes hinged supports 461 respectively installed on the first connecting seat 2 and the second connecting seat 3 at their respective ends close to each other. That is, the side of the first connecting seat 2 and the second connecting seat 3 close to each other is an open end. The two hinged supports 461 are respectively hinged to a sliding rod 462 and a sliding sleeve 463 by a pin. One end of the sliding rod 462 is slidably connected inside the sliding sleeve 463, and a limit plate 464 is fixedly installed on the end of the sliding rod 462 inside the sliding sleeve 463. The two sliding rods 462 and the sliding sleeve 463 are respectively located on both sides of the first connecting seat 2 and the second connecting seat 3.

[0051] The sliding sleeve 463 is equipped with a buffer spring 464 inside, and the two ends of the buffer spring 464 are fixedly connected to the sliding sleeve 463 and the limiting plate 464 respectively.

[0052] Specific implementation process: The first steel plate 11 and the second steel plate 12 are connected by two first connecting rods 43 and two second connecting rods 453. At the same time, in order to ensure the stability of the connection, the two sliding rods 462 located between the first connecting seat 2 and the second connecting seat 3 are respectively connected to the corresponding sliding sleeves 463 by buffer springs 464, so that the first connecting seat 2 and the second connecting seat 3 can be connected to each other.

[0053] The engaging mechanism 5 includes a first support sleeve 51 and a second support sleeve 52 respectively disposed at the top and bottom of the first connecting seat 2 and the second connecting seat 3. Buffer guides 53 are provided on the first steel plate 11 and the second steel plate 12 at positions corresponding to the first support sleeve 51 and the second support sleeve 52.

[0054] The buffer guide 53 includes two guide blocks 531 respectively installed on the outside of the first support sleeve 51 and the second support sleeve 52. A fixing frame 532 slides through the outside of the two guide blocks 531. The multiple fixing frames 532 are fixedly connected to the adjacent first steel plate 11 and second steel plate 12 respectively.

[0055] A guide rod 533 slides through the guide block 531, and a fixing block 534 for supporting the guide rod 533 is installed on the fixing frame 532. A positioning spring 535 is installed on one of the fixing blocks 534. The positioning spring 535 is sleeved on the outside of the guide rod 533, and one end of the positioning spring 535 is fixedly connected to the guide block 531.

[0056] A support spring 54 is installed inside the first support sleeve 51, and a first connecting rod 55 is fixedly connected to one end of the support spring 54. The first connecting rod 55 slides through the first support sleeve 51, and the end of the first connecting rod 55 located outside the first support sleeve 51 is fixedly connected to the first connecting seat 2.

[0057] A snap-fit ​​component 56 is installed on the side of the first connecting seat 2 away from the second connecting seat 3. The second connecting seat 3 has a snap-fit ​​groove 31 inside, and the side of the second connecting seat 3 away from the first connecting seat 2 has an opening that communicates with the snap-fit ​​groove 31. The snap-fit ​​end of the snap-fit ​​component 6 is located at the snap-fit ​​groove 31.

[0058] The second support sleeve 52 is provided with a clamping element 6, and both clamping elements 6 are connected to the second connecting seat 3.

[0059] The clamping component 6 includes a first connecting spring 61 installed inside the second support sleeve 52. One end of the first connecting spring 61 is fixedly connected to a second connecting rod 62. One end of the second connecting rod 62 is located at the snap-fit ​​groove 31, and the end of the second connecting rod 62 located inside the snap-fit ​​groove 31 is fixedly connected to a snap-fit ​​block 63. The second connecting rod 62 is slidably connected to the second support sleeve 52 and the second connecting seat 3.

[0060] A secondary positioning mechanism 7 is provided between the second connecting rod 62 and the second support sleeve 52, and the second support sleeve 52 is provided with two sliding ports 521 corresponding to the position of the secondary positioning mechanism 7.

[0061] The secondary positioning mechanism 7 includes a toggle plate 71 fixedly sleeved on the outside of the second connecting rod 62. Two toggle rods 72 are fixedly installed on the outside of the toggle plate 71. The two toggle rods 72 slide through the sliding opening 521. A second connecting spring 73 is fixedly connected to the toggle plate 71 and sleeved on the outside of the second connecting rod 62. One end of the second connecting spring 73 is fixedly connected to a positioning plate 74, and the positioning plate 74 is fixedly connected to the second connecting rod 62.

[0062] The snap-fit ​​block 63 has a locking groove 631 at one end near the snap-fit ​​member 56, and the locking groove 631 is L-shaped. The snap-fit ​​member 56 includes a locking shell 561 installed on the outside of the first connecting seat 2. A locking spring 562 is installed inside the locking shell 561. A locking block 563 is installed at one end of the locking spring 562, and the locking block 563 slides through one side of the locking shell 561. The end of the locking block 563 away from the locking shell 561 is the snap-fit ​​end. When the first connecting seat 2 is connected to the adjacent second connecting seat 3, one end of the locking block 563 snaps into the snap-fit ​​groove 31 inside the adjacent second connecting seat 3 and snaps into the two locking grooves 631. At this time, the locking spring 562 is in a stretched state, and the locking spring 562 generates a reverse elastic force, so that the locking block 563 and the two snap-fit ​​blocks 63 snap into each other.

[0063] Specific implementation process: Before transporting the prefabricated seismic-resistant steel structure, adjacent prefabricated seismic-resistant steel structures are brought close together, that is, the first connecting seat 2 and the second connecting seat 3 of adjacent prefabricated seismic-resistant steel structures are connected. During the connection, the locking block 563 at the adjacent first connecting seat 2 is inserted into the snap-fit ​​groove 31 inside the adjacent second connecting seat 3 through the opening at the adjacent second connecting seat 3. At the same time as insertion, the actuating plate 71 at the adjacent second connecting seat 3 is pulled, causing the actuating plate 71 to drive the second connecting rod 62. The end moves along the inside of the locking groove 31 until the locking end of the locking block 563 contacts the inner wall of the locking groove 31. At this time, the locking blocks 63 at the two second connecting rods 62 are locked together with the locking block 563 through the locking groove 631 on them. At the same time, under the connection action of the first connecting spring 61 between the second connecting rod 62 and the second support sleeve 52, it is ensured that the adjacent first connecting seat 2 is locked together with the two locking blocks 63 inside the locking groove 31 at the adjacent second connecting seat 3 through the locking block 563 on it.

[0064] Furthermore, during the snap-fitting process, the first steel plate 11 and the second steel plate 12 are connected to the adjacent second connecting seat 3 and first connecting seat 2 via the first connecting seat 2 and second connecting seat 3 on their respective surfaces. This keeps the first steel plate 11 and the second steel plate 12 in a relatively close position, thereby reducing the transportation space required for the prefabricated earthquake-resistant steel structure during transportation. At the same time, after the multiple prefabricated earthquake-resistant steel structures on each floor are snap-fitted together, the outer side of each prefabricated earthquake-resistant steel structure is then locked to the carriage via connecting ropes. This ensures the earthquake resistance performance of the prefabricated earthquake-resistant steel structure during transportation and also ensures the earthquake resistance performance of the prefabricated earthquake-resistant steel structure during use.

[0065] Meanwhile, when the prefabricated earthquake-resistant steel structure needs to be disassembled after transportation, the two actuating rods 72 on the outside of the second connecting seat 3 are pushed in opposite directions. The actuating rods 72 cause the locking block 63 at the second connecting rod 62 to disengage from the locking block 563 until the locking block 63 is completely disengaged from the locking block 563, thus achieving the function of separating the adjacent prefabricated earthquake-resistant steel structures.

[0066] Example 2

[0067] Please see Figure 4 Example 2 is a further supplement to Example 1. Specifically, the locking block 563 has a groove on one side near the two snap-fit ​​blocks 63, and a magnet 8 is installed inside the groove. The snap-fit ​​block 63 is made of iron.

[0068] Therefore, when the locking block 563 is connected to the snap-fit ​​block 63, the snap-fit ​​block 63 is more stably connected to the locking block 563 under the action of the magnet 8.

[0069] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0070] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A prefabricated seismic-resistant steel structure, comprising a steel structure main body (1), wherein the steel structure main body (1) comprises a first steel plate (11) and a second steel plate (12), characterized in that, It also includes: The first connecting seat (2) and the second connecting seat (3) are both U-shaped, and the first connecting seat (2) and the second connecting seat (3) are located at both ends between the first steel plate (11) and the second steel plate (12); A buffer connection mechanism (4) is connected to the first connecting seat (2) and the second connecting seat (3) respectively, and the buffer connection mechanism (4) is installed between the first steel plate (11) and the second steel plate (12); The engaging mechanism (5) is provided on the first connecting seat (2) and the second connecting seat (3), and the engaging mechanism (5) is used to connect two adjacent steel structure bodies (1) during transportation to avoid collision damage to adjacent steel structure bodies (1) and their components.

2. The prefabricated earthquake-resistant steel structure according to claim 1, characterized in that: The buffer connection mechanism (4) includes two support seats (41) fixedly connected to the first steel plate (11), and a support shaft (42) is fixedly installed at each of the two support seats (41). The two ends of the support shaft (42) are rotatably connected to a first connecting rod (43). The ends of the two first connecting rods (43) away from the support shaft (42) are rotatably connected to each other by a rotating shaft (44), and the two rotating shafts (44) are respectively fixedly installed on the first connecting seat (2) and the second connecting seat (3); A connector (45) is connected between the rotating shaft (44) and the second steel plate (12); Buffer and shock-absorbing components (46) are respectively installed at both ends between the first connecting seat (2) and the second connecting seat (3).

3. The prefabricated earthquake-resistant steel structure according to claim 2, characterized in that: The connector (45) includes two fixed seats (451) mounted on the second steel plate (12), and a fixed shaft (452) is fixedly installed between the two fixed seats (451). Two second connecting rods (453) are rotatably connected to the outside of the fixed shaft (452), and the two second connecting rods (453) are rotatably sleeved on the outside of the rotating shaft (44).

4. A prefabricated earthquake-resistant steel structure according to claim 2, characterized in that: The buffer shock absorber (46) includes hinge supports (461) respectively installed on the first connecting seat (2) and the second connecting seat (3) at one end close to each other. A slide rod (462) and a sliding sleeve (463) are respectively hinged on the two hinge supports (461) by a pin. One end of the slide rod (462) is slidably connected inside the sliding sleeve (463), and a limit plate (464) is fixedly installed on the end of the slide rod (462) inside the sliding sleeve (463). The sliding sleeve (463) is provided with a buffer spring (464) inside, and the two ends of the buffer spring (464) are fixedly connected to the sliding sleeve (463) and the limiting plate (464) respectively.

5. A prefabricated earthquake-resistant steel structure according to claim 1, characterized in that: The engaging mechanism (5) includes a first support sleeve (51) and a second support sleeve (52) respectively disposed at the top and bottom of the first connecting seat (2) and the second connecting seat (3). Buffer guides (53) are provided on the first steel plate (11) and the second steel plate (12) at positions corresponding to the first support sleeve (51) and the second support sleeve (52). The first support sleeve (51) is equipped with a support spring (54), and one end of the support spring (54) is fixedly connected to a first connecting rod (55). The first connecting rod (55) slides through the first support sleeve (51), and one end of the first connecting rod (55) located outside the first support sleeve (51) is fixedly connected to the first connecting seat (2). A snap-fit ​​component (56) is installed on the side of the first connector (2) away from the second connector (3); The second support sleeve (52) is provided with a clamping member (6), and both clamping members (6) are connected to the second connecting seat (3).

6. A prefabricated earthquake-resistant steel structure according to claim 5, characterized in that: The buffer guide (53) includes two guide blocks (531) respectively installed on the outside of the first support sleeve (51) and the second support sleeve (52). A fixed frame (532) slides through the outside of the two guide blocks (531), and multiple fixed frames (532) are fixedly connected to the adjacent first steel plate (11) and second steel plate (12). A guide rod (533) slides through the guide block (531), and a fixing block (534) for supporting the guide rod (533) is installed on the fixing frame (532). A positioning spring (535) is installed on one of the fixing blocks (534). The positioning spring (535) is sleeved on the outside of the guide rod (533), and one end of the positioning spring (535) is fixedly connected to the guide block (531).

7. A prefabricated seismic-resistant steel structure according to claim 5, characterized in that: The second connecting seat (3) has a snap-fit ​​groove (31) inside, and the side of the second connecting seat (3) away from the first connecting seat (2) has an opening that communicates with the snap-fit ​​groove (31). The snap-fit ​​end of the clamping member (6) is located at the snap-fit ​​groove (31).

8. A prefabricated seismic-resistant steel structure according to claim 5, characterized in that: The clamping component (6) includes a first connecting spring (61) installed inside the second support sleeve (52). One end of the first connecting spring (61) is fixedly connected to a second connecting rod (62). One end of the second connecting rod (62) is located at the snap-fit ​​groove (31), and the end of the second connecting rod (62) located inside the snap-fit ​​groove (31) is fixedly connected to a snap-fit ​​block (63). The second connecting rod (62) is slidably connected to the second support sleeve (52) and the second connecting seat (3). A secondary positioning mechanism (7) is provided between the second connecting rod (62) and the second support sleeve (52), and the second support sleeve (52) is provided with two sliding ports (521) corresponding to the position of the secondary positioning mechanism (7).

9. A prefabricated earthquake-resistant steel structure according to claim 8, characterized in that: The secondary positioning mechanism (7) includes a toggle plate (71) fixedly sleeved on the outside of the second connecting rod (62). Two toggle rods (72) are fixedly installed on the outside of the toggle plate (71). The two toggle rods (72) slide through the sliding opening (521). A second connecting spring (73) is fixedly connected to the toggle plate (71), and the second connecting spring (73) is sleeved on the outside of the second connecting rod (62). A positioning plate (74) is fixedly connected to one end of the second connecting spring (73), and the positioning plate (74) is fixedly connected to the second connecting rod (62).

10. A prefabricated earthquake-resistant steel structure according to claim 8, characterized in that: The snap-fit ​​block (63) has a locking groove (631) at one end near the snap-fit ​​member (56), and the locking groove (631) is L-shaped. The snap-fit ​​member (56) includes a locking shell (561) installed on the outside of the first connecting seat (2). A locking spring (562) is installed inside the locking shell (561). A locking block (563) is installed at one end of the locking spring (562), and the locking block (563) slides through one side of the locking shell (561). The end of the locking block (563) away from the locking shell (561) is the snap-fit ​​end. When the first connecting seat (2) is connected to the adjacent second connecting seat (3), one end of the locking block (563) is snapped into the snap-fit ​​groove (31) inside the adjacent second connecting seat (3) and snapped into the two locking grooves (631).