Green building anti-seismic buffering type fabricated building steel structure

Abstract

The invention discloses a green building anti-seismic buffer type fabricated building steel structure, and relates to the field of building structures, the green building anti-seismic buffer type fabricated building steel structure comprises a frame body, two sets of butt joint blocks are arranged above the frame body, a butt joint groove is formed in the lower portion of the frame body, and a concave-convex matching structure is formed between the butt joint groove and the butt joint blocks; the butt-joint groove and the butt-joint block are fixed through an installation part after being connected in an inserted mode, butt-joint buffering mechanisms are arranged on the upper side and the lower side of the frame body and used for absorbing and buffering deformation of the frame body, an up-down sliding structure is formed between the butt-joint block and the frame body, and a first spring is fixed to the lower portion of the butt-joint block. According to the anti-seismic buffer type fabricated building steel structure for the green building, the buffer plates are matched with the buffer springs, and the movable butt joint blocks enable the splicing gaps of the frame bodies to deform within a certain range, so that when the frame bodies deform or are vibrated, the acting force of the frame bodies can be absorbed to a certain degree, and the splicing positions are prevented from being damaged.

Description

Technical Field

[0001] The invention relates to the technical field of building structures, and in particular to a green building earthquake-resistant buffer-type assembled building steel structure. Background Art

[0002] Steel structure green buildings have the advantages of short construction period, recyclability, and light structural weight. They can be used to build some temporary components or support buildings. When steel structures are in use, they are generally spliced ​​and combined through assembly.

[0003] Prior art 1 (publication number CN114182812A, Chinese patent published on March 15, 2022) An assembled building steel structure is provided with a bottom steel plate, the upper end surface of the bottom steel plate is clamped and installed with a side steel plate, and a top steel plate is provided on the top of the side steel plate; including: a guide shaft is fixed to one end of the reinforcing plate, a fixed cavity is opened in the side steel plate outside the cam, and a sound insulation board is movably installed inside the fixed cavity, and sound-absorbing cotton is pasted on the side of the sound insulation board; a movable rod is movably arranged below the cam, and a first spring is wound around the outside of the movable rod; a fixing groove is opened at the position where the bottom steel plate contacts the side steel plate, and a connecting cavity is opened inside the bottom steel plate. Different steel materials are connected by snapping together, which can not only improve the convenience of disassembly and assembly, but also improve the stability after assembly, avoid loosening, and the steel structure as a whole has a good sound absorption function; Prior art 2 (publication number CN214738708U, Chinese patent published on November 16, 2021) A steel structure of an assembled building, including two steel materials, and two fixing mechanisms for fixing the two steel materials are provided at one end of the two steel materials close to each other, the fixing mechanism includes a plug plate fixedly connected to the steel material at the right end, and the side wall of the steel material at the left end is provided with a slot, the plug plate extends into the slot, and the side wall of the plug plate is provided with a placement slot, the inner bottom of the placement slot is elastically connected to a first magnet through a spring, the inner wall of the slot is provided with a first fixing slot, and the side wall of the steel material at the left end is provided with two fastening mechanisms for fastening the two first magnets. This technology can fix two steel materials without turning bolts, which is convenient for manual operation; After the current steel structure is assembled, its connection nodes are rigid structures, which are easily deformed and damaged when subjected to vibration. The thermal expansion and contraction of the structure itself can also easily cause damage to the joints. In addition, steel structures are generally assembled as a whole. When the steel structure in a local position needs to be replaced, many components need to be dismantled, and subsequent replacement and maintenance are more cumbersome. Summary of the invention

[0004] The purpose of the present invention is to provide a green building seismic buffer type prefabricated building steel structure to solve the problem raised in the above background technology that the steel structures currently on the market are easily damaged at the joints due to the thermal expansion and contraction of the structure itself, and the steel structures are generally assembled as a whole, and many components need to be dismantled when the steel structures in local positions need to be replaced.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a green building earthquake-resistant buffer type assembled building steel structure, including a frame, two groups of docking blocks are arranged on the top of the frame, and a docking groove is opened at the bottom of the frame, a concave-convex matching structure is formed between the docking groove and the docking block, the docking groove and the docking block are plugged and connected and fixed by a mounting piece, docking buffer mechanisms are arranged on the upper and lower sides of the frame to absorb and buffer the deformation of the frame, an up and down sliding structure is formed between the docking block and the frame, and a first spring is fixed at the bottom of the docking block, and a mounting member is arranged on the inner side of the frame The mounting shell and the frame body are detachably connected, and an upper support is arranged on the upper part of the mounting shell, and a lower support is arranged below the mounting shell, and the lower support is sleeved and located on the outside of the upper support, and a driving plate is connected to the lower end of the upper support and the lower end of the lower support, and a threaded rod passes through the middle of the driving plate, and the threaded rod is rotatably mounted inside the mounting shell, and the thread directions of the threaded rod are symmetrically arranged up and down, and a rotation control mechanism is connected to the outside of the threaded rod, and the rotation control mechanism controls the upper support and the lower support to be retracted into the mounting shell, and the mounting shell and the frame body are connected to each other.

[0006] To further optimize the technical solution, the docking buffer mechanism includes a buffer plate and a buffer spring, the buffer plate is arranged on the upper and lower sides of the frame, and the buffer plate is connected to the frame through the buffer spring.

[0007] To further optimize the technical solution, a shock-absorbing and sound-absorbing layer is provided on the outer side of the mounting shell, and the shock-absorbing and sound-absorbing layer is in contact with the inner surface of the frame.

[0008] To further optimize the technical solution, the rotation control mechanism includes a first bevel gear, a second bevel gear and a control head; A first bevel gear is fixed to the middle of the threaded rod; A second bevel gear is arranged between the rear side of the first bevel gear and meshed with the first bevel gear; The control head is fixed on the rear side of the second bevel gear, and a rotation connection is formed between the control head and the mounting shell.

[0009] To further optimize the technical solution, a movement control mechanism is provided below the docking block, and an extrusion control mechanism is provided inside the docking groove to provide control for the connection between the docking block and the docking groove.

[0010] To further optimize the technical solution, the mobile control mechanism includes a first connecting rope, a control shaft and a driving mechanism; A first connecting rope is fixed below the docking block; A control shaft is rotatably mounted inside the frame, and the lower end of the first connecting rope is wound around the surface of the control shaft; The driving mechanism is arranged outside the control shaft to drive the rotation of the control shaft.

[0011] To further optimize the technical solution, the extrusion control mechanism includes an ejection block, a second spring and a second connecting rope; A push-out block is arranged inside the docking groove and between the docking grooves to form an up-and-down sliding structure; A second spring is fixed above the ejection block to provide a downward thrust for the ejection block; The second connecting rope is fixed on the top of the pushing block, and the top of the second connecting rope is wound around the surface of the control shaft.

[0012] Further optimizing the technical solution, the driving mechanism includes a driving disk, a first slider, a third spring and a contact transmission mechanism; A drive plate, arranged on the inner side of the control shaft; A first sliding block is fixed on the outer side of the driving disk, and a left-right sliding structure is formed between the first sliding block and the control shaft; A third spring, arranged inside the control shaft, provides thrust for the first slider; The contact transmission mechanism is connected to the driving disc to control the rotation of the driving disc.

[0013] To further optimize the technical solution, a connecting groove is provided on the outer side of the driving disk, and the inner side of the connecting groove is designed as an open structure, and the driving disk and the inner wall of the connecting groove are connected to provide a limiting effect for the control shaft.

[0014] Further optimizing the technical solution, the contact transmission mechanism includes a transmission shaft, a third bevel gear, a transmission head, a second slider, a fourth spring, an extrusion block, a fifth spring, and a fixed block; A transmission shaft, rotatably mounted inside the mounting shell; A third bevel gear is fixed to the inner end of the transmission shaft, and the third bevel gear is meshed with the first bevel gear; The transmission head is arranged on the outside of the transmission shaft, and the transmission head is inserted into the connection groove and contacts the driving disc; A second sliding block is fixed to the inner end of the transmission head, and a left-right sliding structure is formed between the second sliding block and the transmission shaft; A fourth spring is arranged inside the transmission shaft, and the fourth spring is connected to the second slider to provide a pulling force for the second slider; The extrusion block is arranged on the inner side of the transmission head, and the end of the extrusion block is designed in an inclined structure, and an up-and-down sliding structure is formed between the extrusion block and the mounting shell; A fifth spring, arranged at the outer end of the extrusion block to provide thrust for the extrusion block; The fixed block is fixed on the outer side of the driving plate, and the driving plate pulls the extruding block to move through the fixed block.

[0015] Compared with the prior art, the present invention has the following beneficial effects: (1) The buffer plate, the buffer spring and the movable docking block enable the joint gap of the frame to deform within a certain range, so that when the frame is deformed or vibrated, its force can be absorbed to a certain extent to avoid damage to the joint.

[0016] (2) The use noise of the frame can be reduced by arranging the mounting shell on the inner side of the frame in cooperation with the shock-absorbing and sound-absorbing layer. The mounting shell is provided with an upper support member and a lower support member for supporting the adjacent frame. The frame and the mounting shell can be separated later so that the frame can be replaced separately.

[0017] (3) By controlling the movement of the upper support member and the lower support member, the upper support member and the lower support member can be extended outward to connect with the mounting shell on the adjacent frame to provide support therefor. At the same time, when the upper support member and the lower support member are moved, the docking block can be put into the frame body and the docking block in the docking groove can be squeezed out, so that the frame can be disassembled separately.

[0018] (4) The transmission head can be connected to the connecting groove by telescopic movement. After the transmission head and the connecting groove are connected, the mounting shell and the frame body can be connected. After the upper support member and the lower support member are extended, the transmission head can be detached from the connection with the connecting groove, which is convenient for disassembly of the frame body.

[0019] (5) The driving disk is moved so that it can be connected to the connecting groove, thereby providing a limiting force for the control shaft through friction, so that it can maintain its own stability and facilitate the subsequent reinstallation of the frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention; Figure 2 This is a schematic diagram of the structure of the frame of the present invention when viewed from above; Figure 3 It is a schematic diagram of the top view of the frame structure of the present invention; Figure 4 It is a schematic diagram of the three-dimensional structure of the shock-absorbing and sound-absorbing layer of the present invention; Figure 5 This is a schematic diagram of the upper support member extending structure of the present invention; Figure 6 It is a schematic diagram of the three-dimensional structure of the frame of the present invention; Figure 7 This is a schematic diagram of the main cross-sectional structure of the frame of the present invention; Figure 8 For the present invention Figure 7 The enlarged structural diagram at a in the middle; Fig. 9 This is a schematic diagram of the main cross-sectional structure of the control shaft of the present invention; Fig.10 It is a schematic diagram of the side section structure of the docking block of the present invention; Fig.11 It is a schematic diagram of the side section structure of the installation shell of the present invention.

[0021] In the figure: 1, frame; 2, docking block; 3, docking groove; 4, mounting member; 5, buffer plate; 6, buffer spring; 7, mounting shell; 8, shock-absorbing and sound-absorbing layer; 9, upper support member; 10, lower support member; 11, driving plate; 12, threaded rod; 13, first bevel gear; 14, second bevel gear; 15, control head; 16, first spring; 17, first connecting rope; 18, control shaft; 19, ejection block; 20, second spring; 21, second connecting rope; 22, driving disk; 23, first slider; 24, third spring; 25, transmission shaft; 26, third bevel gear; 27, transmission head; 28, connecting groove; 29, second slider; 30, fourth spring; 31, extrusion block; 32, fifth spring; 33, fixing block. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0023] See also Figure 1-Figure 11 , the present invention provides the following technical solutions: a green building seismic buffer type assembled building steel structure, including a frame 1; Embodiment 1: The present invention provides the following technical solution, which discloses that two groups of docking blocks 2 are arranged on the upper side of the frame 1, and a docking groove 3 is opened at the lower side of the frame 1, a concave-convex matching structure is formed between the docking groove 3 and the docking block 2, and the docking groove 3 and the docking block 2 are fixed by the mounting member 4 after being plugged in and connected, and docking buffer mechanisms are arranged on the upper and lower sides of the frame 1 to absorb and buffer the deformation of the frame 1, an up and down sliding structure is formed between the docking block 2 and the frame 1, and a first spring 16 is fixed at the lower side of the docking block 2, a mounting shell 7 is arranged on the inner side of the frame 1, and a detachable connection is formed between the mounting shell 7 and the frame 1, An upper support member 9 is provided on the upper part of the mounting shell 7, and a lower support member 10 is provided below the mounting shell 7, and the lower support member 10 is sleeved and located on the outer side of the upper support member 9, and the lower ends of the upper support member 9 and the lower ends of the lower support member 10 are connected to a driving plate 11, and a threaded rod 12 passes through the middle of the driving plate 11, and the threaded rod 12 is rotatably installed inside the mounting shell 7, the thread direction of the threaded rod 12 is symmetrically arranged up and down, and a rotation control mechanism is connected to the outer side of the threaded rod 12, and the rotation control mechanism controls the upper support member 9 and the lower support member 10 to be retracted into the mounting shell 7, and the mounting shell 7 and the frame 1 are connected to each other.

[0024] When in use, the frame 1 is spliced ​​by connecting the docking blocks 2 and the docking grooves 3 of adjacent frame bodies 1. After the docking blocks 2 are inserted into the docking grooves 3, they are fixed by the mounting parts 4. The mounting parts 4 can adopt tension screws. Later, when in use, the splicing gap between the frames 1 is adjusted by the buffer mechanism to avoid damage to the splicing parts of the frames 1.

[0025] Embodiment 2: On the basis of embodiment 1, a docking buffer mechanism is disclosed, which includes a buffer plate 5 and a buffer spring 6. The buffer plate 5 is arranged on the upper and lower sides of the frame 1, and the buffer plate 5 is connected to the frame 1 through the buffer spring 6. A shock-absorbing and sound-absorbing layer 8 is arranged on the outer side of the mounting shell 7, and the shock-absorbing and sound-absorbing layer 8 is in contact with the inner surface of the frame 1. The rotation control mechanism includes a first bevel gear 13, a second bevel gear 14 and a control head 15. The first bevel gear 13 is fixed at the middle part of the threaded rod 12, and the second bevel gear 14 is arranged at the rear side of the first bevel gear 13 and is meshed with the first bevel gear 13 to form a meshing connection. The control head 15 is fixed at the rear side of the second bevel gear 14, and a rotational connection is formed between the control head 15 and the mounting shell 7.

[0026] When the frame 1 is vibrated or deformed, the deformation of the buffer spring 6 provides buffer protection for it. The shock-absorbing and sound-absorbing layer 8 on the outside of the frame mounting shell 7 can also absorb the vibration on the frame 1. When it is necessary to replace or disassemble a part of the frame 1, the upper support member 9 and the lower support member 10 can be controlled to extend to provide temporary support for the adjacent frame 1. When the upper support member 9 and the lower support member 10 are controlled to extend, the mounting member 4 can be removed online, and then the threaded rod 12 is driven to rotate by rotating the control head 15, thereby driving the drive plate 11 to rotate.

[0027] Embodiment 3: On the basis of embodiment 2, a mobile control mechanism is provided below the docking block 2, and an extrusion control mechanism is provided inside the docking groove 3 to provide control for the connection between the docking block 2 and the docking groove 3. The mobile control mechanism includes a first connecting rope 17, a control shaft 18 and a driving mechanism. The first connecting rope 17 is fixed below the docking block 2, and the control shaft 18 is rotatably installed inside the frame 1, and the lower end of the first connecting rope 17 is wound around the surface of the control shaft 18. The driving mechanism is arranged on the outside of the control shaft 18 to drive the rotation of the control shaft 18. The extrusion control mechanism includes an ejection block 19, a second spring 20 and a second connecting rope 21. The ejection block 19 is arranged inside the docking groove 3 and An up-and-down sliding structure is formed between the docking grooves 3, a second spring 20 is fixed above the ejection block 19 to provide a downward thrust for the ejection block 19, a second connecting rope 21 is fixed above the ejection block 19, and the upper part of the second connecting rope 21 is wound around the surface of the control shaft 18, a driving mechanism comprises a driving disk 22, a first slider 23, a third spring 24 and a contact transmission mechanism, the driving disk 22 is arranged on the inner side of the control shaft 18, the first slider 23 is fixed on the outer side of the driving disk 22, and a left-and-right sliding structure is formed between the first slider 23 and the control shaft 18, the third spring 24 is arranged inside the control shaft 18 to provide a thrust for the first slider 23, the contact transmission mechanism, and the driving disk 22 are connected to the control shaft 18. The rotation of the driving disk 22 is controlled. A connecting groove 28 is provided on the outer side of the driving disk 22, and the inner side of the connecting groove 28 is designed in an open structure. The inner wall of the driving disk 22 and the connecting groove 28 is connected to provide a limiting effect for the control shaft 18. The contact transmission mechanism includes a transmission shaft 25, a third bevel gear 26, a transmission head 27, a second slider 29, a fourth spring 30, an extrusion block 31, a fifth spring 32, and a fixing block 33. The transmission shaft 25 is rotatably mounted inside the mounting shell 7. The third bevel gear 26 is fixed to the inner end of the transmission shaft 25, and the third bevel gear 26 and the first bevel gear 13 are meshed and connected. The transmission head 27 is arranged on the outer side of the transmission shaft 25, and the transmission head 27 is inserted into the connecting groove 2 8 is in contact with the driving disk 22, the second slider 29 is fixed at the inner end of the transmission head 27, and the second slider 29 and the transmission shaft 25 form a left-right sliding structure, the fourth spring 30 is arranged inside the transmission shaft 25, and the fourth spring 30 and the second slider 29 are connected to provide a pulling force for the second slider 29, the extrusion block 31 is arranged on the inner side of the transmission head 27, and the end of the extrusion block 31 is designed with an inclined structure, and an up-and-down sliding structure is formed between the extrusion block 31 and the mounting shell 7, the fifth spring 32 is arranged at the outer end of the extrusion block 31 to provide a thrust for the extrusion block 31, the fixed block 33 is fixed on the outer side of the driving plate 11, and the driving plate 11 pulls the extrusion block 31 to move through the fixed block 33.

[0028] When the threaded rod 12 rotates, the threaded rod 12 will drive the transmission shaft 25 to rotate through the meshing between the first bevel gear 13 and the third bevel gear 26. The transmission shaft 25 drives the driving disk 22 to rotate through the transmission head 27, so that the driving disk 22 drives the control shaft 18 to rotate. When the control shaft 18 rotates, it will reel in the first connecting rope 17, pull the docking block 2 to move downward, and unwind the second connecting rope 21 at the same time. At this time, the second spring 20 pushes the ejection block 19 to squeeze the docking block 2 out of the docking groove 3. At the same time, as the driving plate 11 continues to move, the fixed block 33 will drive the extrusion block 31 to move, releasing the extrusion block 31. The transmission head 27 is squeezed, and the fourth spring 30 pulls the transmission head 27 to move, releasing the connection between the transmission head 27 and the connecting groove 28. At the same time, the driving disk 22 is connected to the connecting groove 28 under the action of the third spring 24, providing a limit for the rotation of the control shaft 18. At this time, the upper support member 9 and the lower support member 10 complete the support, and the transmission head 27 will also release the connection with the connecting groove 28. At this time, the frame 1 can be disassembled, and the new frame 1 can be installed later to retract the upper support member 9 and the lower support member 10. The docking block 2 in the frame 1 will also extend again, and cooperate with the mounting member 4 to complete the connection.

[0029] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0030] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A green building seismic buffer type assembled building steel structure, comprising a frame (1); Features: Two groups of docking blocks (2) are arranged above the frame (1), and a docking groove (3) is provided below the frame (1); a concave-convex matching structure is formed between the docking groove (3) and the docking block (2); the docking groove (3) and the docking block (2) are fixed by a mounting member (4) after being plugged in and connected; docking buffer mechanisms are arranged on both the upper and lower sides of the frame (1) to absorb and buffer deformation of the frame (1); an up-and-down sliding structure is formed between the docking block (2) and the frame (1), and a first spring (16) is fixed below the docking block (2); a mounting shell (7) is arranged on the inner side of the frame (1), and a detachable connection is formed between the mounting shell (7) and the frame (1); and the mounting shell (7) is arranged on the inner side of the frame (1); An upper support member (9) is provided at the upper part, a lower support member (10) is provided below the mounting shell (7), and the lower support member (10) is sleeved and located outside the upper support member (9), the lower ends of the upper support member (9) and the lower ends of the lower support member (10) are both connected to a drive plate (11), a threaded rod (12) passes through the middle of the drive plate (11), and the threaded rod (12) is rotatably mounted inside the mounting shell (7), the thread direction of the threaded rod (12) is symmetrically arranged up and down, and a rotation control mechanism is connected to the outer side of the threaded rod (12), and the rotation control mechanism controls the upper support member (9) and the lower support member (10) to be received into the mounting shell (7), and the mounting shell (7) and the frame (1) are connected to each other.

2. A green building seismic buffer type assembled building steel structure according to claim 1, characterized in that: The docking buffer mechanism comprises a buffer plate (5) and a buffer spring (6); the buffer plate (5) is arranged on the upper and lower sides of the frame body (1), and the buffer plate (5) is connected to the frame body (1) via the buffer spring (6).

3. The green building seismic buffer type assembled building steel structure according to claim 1 is characterized by: A shock-absorbing and sound-absorbing layer (8) is provided on the outer side of the installation shell (7), and the shock-absorbing and sound-absorbing layer (8) is in contact with the inner surface of the frame (1).

4. The green building seismic buffer type prefabricated building steel structure according to claim 1 is characterized by: The rotation control mechanism comprises a first bevel gear (13), a second bevel gear (14) and a control head (15); A first bevel gear (13) is fixed to the middle of the threaded rod (12); A second bevel gear (14) is arranged on the rear side of the first bevel gear (13) and is meshedly connected with the first bevel gear (13); The control head (15) is fixed on the rear side of the second bevel gear (14), and a rotation connection is formed between the control head (15) and the mounting shell (7).

5. The green building seismic buffer type prefabricated building steel structure according to claim 4 is characterized by: A movement control mechanism is provided below the docking block (2), and an extrusion control mechanism is provided inside the docking groove (3) to provide control for the connection between the docking block (2) and the docking groove (3).

6. The green building seismic buffer type prefabricated building steel structure according to claim 5 is characterized by: The movement control mechanism comprises a first connecting rope (17), a control shaft (18) and a driving mechanism; A first connecting rope (17) fixed below the docking block (2); A control shaft (18) is rotatably mounted inside the frame (1), and the lower end of the first connecting rope (17) is wound around the surface of the control shaft (18); The driving mechanism is arranged outside the control shaft (18) and drives the rotation of the control shaft (18).

7. A green building seismic buffer type prefabricated building steel structure according to claim 6, characterized in that: The extrusion control mechanism comprises an ejection block (19), a second spring (20) and a second connecting rope (21); A push-out block (19) is arranged inside the docking groove (3) and between the docking grooves (3) to form an up-and-down sliding structure; A second spring (20) is fixed above the ejection block (19) to provide a downward thrust for the ejection block (19); The second connecting rope (21) is fixed above the pushing block (19), and the upper part of the second connecting rope (21) is wound around the surface of the control shaft (18).

8. The green building seismic buffer type prefabricated building steel structure according to claim 7 is characterized by: The driving mechanism comprises a driving disk (22), a first slider (23), a third spring (24) and a contact transmission mechanism; A drive plate (22) disposed on the inner side of the control shaft (18); A first sliding block (23) is fixed on the outer side of the driving disk (22), and a left-right sliding structure is formed between the first sliding block (23) and the control shaft (18); A third spring (24) is arranged inside the control shaft (18) to provide a thrust for the first slider (23); The contact transmission mechanism is connected to the driving disk (22) to control the rotation of the driving disk (22).

9. The green building seismic buffer type prefabricated building steel structure according to claim 8, characterized in that: The outer side of the driving disc (22) is provided with a connecting groove (28), and the inner side of the connecting groove (28) is designed as an open structure. The driving disc (22) and the inner wall of the connecting groove (28) are connected to provide a limiting effect for the control shaft (18).

10. A green building seismic buffer type assembled building steel structure according to claim 9, characterized in that: The contact transmission mechanism comprises a transmission shaft (25), a third bevel gear (26), a transmission head (27), a second slider (29), a fourth spring (30), an extrusion block (31), a fifth spring (32), and a fixing block (33); A transmission shaft (25) is rotatably mounted inside the mounting housing (7); A third bevel gear (26) is fixed to the inner end of the transmission shaft (25), and the third bevel gear (26) and the first bevel gear (13) are meshedly connected; A transmission head (27) is arranged on the outside of the transmission shaft (25), and the transmission head (27) is inserted into the connection groove (28) and contacts the driving disc (22); A second sliding block (29) is fixed to the inner end of the transmission head (27), and a left-right sliding structure is formed between the second sliding block (29) and the transmission shaft (25); A fourth spring (30) is disposed inside the transmission shaft (25), and the fourth spring (30) is connected to the second slider (29) to provide a pulling force for the second slider (29); An extrusion block (31) is arranged on the inner side of the transmission head (27), and the end of the extrusion block (31) is designed to be inclined, and an up-and-down sliding structure is formed between the extrusion block (31) and the mounting shell (7); A fifth spring (32) is arranged at the outer end of the extrusion block (31) to provide a thrust for the extrusion block (31); The fixing block (33) is fixed on the outer side of the driving plate (11), and the driving plate (11) pulls the squeezing block (31) to move via the fixing block (33).

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