Fabricated frame

Abstract

The present application relates to the technical fields of prefabricated building, in particular to a prefabricated frame, which comprises support columns, support beams and connecting seats, and the connecting seats are used to connect the support columns and the support beams. The support columns are provided with several connecting pieces, and the connecting pieces comprise first I-shaped steel and two connecting plates. The support beams are provided with several, and the two ends of the support beams are provided with grouting grooves. The third I-shaped steel is slidably arranged in the grouting grooves. The connecting pieces further comprise limiting plates, and the limiting plates are located between the two connecting plates and are arranged on the two sides of the third I-shaped steel. The limiting plates are fixedly connected to the third I-shaped steel through first bolts. The connecting plates further comprise baffle plates and rotating assemblies, and the baffle plates are connected to the first I-shaped steel. The rotating assemblies are connected to the limiting plates. The rotating assemblies comprise two intermeshing gears and rotating shafts connected to the gears. The limiting plates are connected to the rotating shafts, so that the hard collision between the limiting plates and the third I-shaped steel can be avoided, and the deformation of the limiting plates can be avoided, thereby avoiding the influence on the stability of the entire prefabricated frame.

Description

Technical Field

[0001] This invention relates to the field of prefabricated building technology, specifically to a prefabricated frame. Background Technology

[0002] In the field of modern prefabricated construction, prefabricated frames are a type of construction that uses prefabricated components as the core load-bearing parts. These components are typically manufactured in factories, transported to the construction site, and assembled. Concrete is poured at the joints to form rigid connections, achieving an efficient, environmentally friendly, and high-quality construction method. Components are prefabricated in the factory according to design standards, ensuring dimensional accuracy and strength consistency. Furthermore, pouring concrete at the joints reduces on-site work time and minimizes construction cost waste.

[0003] Currently, precast concrete beams and columns are typically assembled using a column-first, beam-later installation method. During beam hoisting, the beams usually need to be lifted to a specific position before being installed with the columns, which is quite difficult. This also increases the risk of collision with the columns; due to the beams' significant weight, a collision could cause column deformation. Furthermore, the beam-column joints are the weakest points in precast frames. Insufficient connection strength between beams and columns can easily lead to instability or deformation of the overall precast frame structure, resulting in uneven stiffness distribution and decreased stability, posing certain safety hazards. Summary of the Invention

[0004] This invention was made to solve the above-mentioned technical problems. Its purpose is to provide a prefabricated frame that enables rapid installation between beams and columns by providing connectors and connecting seats on beams and columns, and reduces collisions between beams and columns by using rotatable limiting plates.

[0005] To achieve the above objectives, the present invention provides a prefabricated frame, including several support columns, each including a connector, the connector comprising a first I-beam and two connecting plates; several support beams, each having grouting grooves at both ends; a connecting seat including positioning reinforcing bars, the positioning reinforcing bars passing through the connecting plates and connected to the support columns; wherein a third I-beam is slidably disposed within the grouting grooves; the connector further includes a limiting plate, the limiting plate being located between the two connecting plates and disposed on both sides of the third I-beam, the limiting plate being fixedly connected to the third I-beam by a first bolt; the connecting plate further includes a baffle and a rotating assembly, the baffle being connected to the first I-beam, the rotating assembly being connected to the limiting plate; the rotating assembly includes two meshing gears and a rotating shaft connected to the gears, the limiting plate being connected to the rotating shaft.

[0006] Preferably, a first elastic element is also provided in the grouting groove, and the two ends of the first elastic element are respectively connected to the third I-beam and the inner wall of the grouting groove.

[0007] Preferably, the sidewall of the grouting groove is provided with a sliding groove, and a limiting groove is also provided in the sliding groove. The sidewall of the third I-beam is also provided with a second elastic element and a ball. The two ends of the second elastic element are connected to the sidewall and the ball. The second elastic element is perpendicular to the first elastic element. The ball slides along the sliding groove. The second elastic element can extend to abut the ball against the limiting groove.

[0008] Preferably, the support beam further includes positioning elements and supporting reinforcing bars. The supporting reinforcing bars are fixedly installed on the positioning elements, which are located at both ends of the third I-beam. The positioning elements at both ends are fixedly connected by second bolts.

[0009] Preferably, the third I-beam further includes a U-shaped bolt, which passes through the connecting seat and the connecting plate in sequence.

[0010] Preferably, the connector further includes a wedge-shaped steel and a second I-beam, one end of the wedge-shaped steel is fixedly connected to the second I-beam, and the wedge-shaped steel is fixedly installed at both ends of the first I-beam.

[0011] Preferably, the diameter of the second I-beam is smaller than the diameter of the first I-beam.

[0012] Preferably, the connector further includes a fixing plate, which is fixedly connected to the first I-beam and the baffle. The fixing plate and the first I-beam form the slurry passage space. The first I-beam, the second I-beam, and the connecting plate are all provided with first slurry passage holes.

[0013] Preferably, the support beam further includes a first grouting hole and a first grout outlet hole, wherein the first grout outlet hole communicates with the first grouting hole and the first grout outlet hole.

[0014] Preferably, the support column further includes a positioning groove, a second grouting hole, and a second grout outlet hole. The positioning groove accommodates the connector. The connecting plate includes a support plate, and the support plate is provided with a second grout passage hole, which communicates with the positioning groove, the second grouting hole, and the second grout outlet hole.

[0015] Based on the above description and practice, the prefabricated frame of this invention includes support columns, support beams, and connecting seats. The connecting seats are used to connect the support columns and support beams. Several support columns are provided, each including a connector. The connector includes a first I-beam and two connecting plates. The first I-beam extends into the support column and is fixed thereto. The connecting plates are used to connect support columns in different directions. Several support beams are provided, each with a grouting groove at both ends. After the connection between the support beam and the support column is completed, concrete is poured into the grouting groove to complete the grouting of the entire prefabricated frame, strengthening its overall strength. The connecting seats include positioning reinforcing bars that pass through the connecting plates and connect to the support columns, further strengthening the connection between the connecting seats and support columns, reducing connection deviation between the connecting seats and support columns, and ensuring the connection and installation of the entire prefabricated frame. A third I-beam is slidably disposed within the grouting groove. The connecting seats also include limiting plates located between the two connecting plates and on both sides of the third I-beam. The limiting plates are fixedly connected to the third I-beam by first bolts, thereby fixing the third I-beam to the connecting seats. The connecting plate also includes a baffle and a rotating assembly. The baffle is connected to the first I-beam, and the rotating assembly is connected to the limiting plate. The rotating assembly includes two meshing gears and a rotating shaft connected to the gears. The limiting plate is connected to the rotating shaft. The limiting plate can be retracted under the drive of the rotating assembly. When the support beam connects with the support column and the connecting seat and collides, the limiting plate can be retracted downwards by the rotation between the gears under the force of the third I-beam, avoiding a hard collision between the limiting plate and the third I-beam that could deform it, thus preventing any impact on the stability of the entire prefabricated frame. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the prefabricated frame involved in one embodiment of the present invention.

[0017] Figure 2 This is a schematic diagram of the connectors and positioning grooves of the assembled frame involved in one embodiment of the present invention.

[0018] Figure 3 This is a grouting process diagram of a prefabricated frame according to one embodiment of the present invention.

[0019] Figure 4 This is a structural schematic diagram of the connector of the assembled frame involved in one embodiment of the present invention.

[0020] Figure 5 This is a schematic diagram of the structure of the limiting plate of the assembled frame involved in one embodiment of the present invention.

[0021] Figure 6 This is a schematic diagram of the structure of the limiting plate of the assembled frame involved in one embodiment of the present invention.

[0022] Figure 7 This is a schematic diagram of the limiting groove of the assembled frame in one embodiment of the present invention.

[0023] Figure 8 This is a schematic diagram of the structure of the ball bearing and the second elastic element of the assembled frame in one embodiment of the present invention.

[0024] Figure 9 This is a schematic diagram of the U-shaped bolt of the assembled frame according to one embodiment of the present invention.

[0025] The attached figures are labeled as follows: 1. Support column; 2. Positioning groove; 3. Connecting seat; 4. Positioning reinforcement; 5. First nut; 6. Connecting piece; 7. First I-beam; 8. Wedge steel; 9. Second I-beam; 10. Connecting plate; 11. First positioning hole; 12. Second positioning hole; 13. First grout passage hole; 14. Fixing plate; 15. Support plate; 16. Second grout passage hole; 17. Support beam; 18. Grouting groove; 19. Third I-beam; 20. Limiting plate; 21. Fixing hole; 22. Second grouting hole; 23. Baffle; 24. Gear; 25. First bolt; 26. First elastic element; 27. First grouting hole; 28. First grout outlet hole; 29. ​​Ball bearing; 30. Second elastic element; 31. Slide groove; 32. Limiting groove; 33. Supporting reinforcement; 34. Positioning piece; 35. Insertion hole; 36. Second bolt; 37. U-bolt; 38. Second nut; 39. Second slurry outlet. Detailed Implementation

[0026] Exemplary embodiments will now be described more fully with reference to the accompanying drawings. However, these exemplary embodiments can be implemented in many forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be more thorough and complete, and will fully convey the concept of the exemplary embodiments to those skilled in the art. The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

[0027] Furthermore, the accompanying drawings are merely illustrative diagrams of the present invention and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and therefore repeated descriptions of them will be omitted. It should be noted that in this invention disclosure, the terms "comprising," "configured with," and "set in" are used to indicate an open-ended inclusion, meaning that additional elements / components / etc. may exist besides those listed; the terms "first," "second," etc., are used only as labels and are not intended to limit the number or order of objects; the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the invention.

[0028] Unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art will understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0029] This invention discloses a prefabricated frame; please refer to [the relevant documentation]. Figures 1 to 5The prefabricated frame includes support columns 1, support beams 17, and connecting seats 3. Connecting seats 3 connect the support columns 1 and support beams 17. Several support columns 1 are provided, including connectors 6. Each connector 6 includes a first I-beam 7 and two connecting plates 10. The first I-beam 7 extends into the support column 1 and is fixed thereto. The connecting plates 10 connect support columns 1 in different directions. Several support beams 17 are provided, each with grouting grooves 18 at both ends. After the connection between the support beams 17 and support columns 1 is completed, concrete is poured into the grouting grooves 18 to complete the grouting of the entire prefabricated frame, strengthening its overall strength. The connecting seats 3 include positioning reinforcing bars 4, which pass through the connecting plates 10 and connect to the support columns 1, further strengthening the connection between the connecting seats 3 and support columns 1, reducing connection deviation between the connecting seats 3 and support columns 1, and ensuring the connection and installation of the entire prefabricated frame. The grouting groove 18 includes a third I-beam 19 slidably mounted therein. The connecting member 6 also includes a limiting plate 20, which is located between the two connecting plates 10 and on both sides of the third I-beam 19. The limiting plate 20 is fixedly connected to the third I-beam 19 by a first bolt 25, thereby fixing the third I-beam 19 to the connecting member 6. The connecting plate 10 also includes a baffle 23 and a rotating assembly. The baffle 23 is connected to the first I-beam 7, and the rotating assembly is connected to the limiting plate 20. The rotating assembly includes two meshing gears 24 and a rotating shaft connected to the gears 24. The limiting plate 20 is connected to the rotating shaft. The limiting plate 20 can be retracted under the drive of the rotating assembly. When the support beam 17 connects with the support column 1 and the connecting seat 3 and collides, the limiting plate 20 can be retracted downwards towards the connecting plate 10 under the force of the third I-beam 19 through the rotation between the gears 24, so as to avoid the limiting plate 20 from collided hard with the third I-beam 19 and deformed, thereby avoiding affecting the stability of the entire prefabricated frame.

[0030] Furthermore, by rotatably configuring the limiting plate 20, during the hoisting of the third I-beam 19, rotating the limiting plate 20 on either side of the third I-beam 19 causes the end of the limiting plate 20 to deflect. Through the meshing of two gears 24, the limiting plate 20 on the other side will rotate to both sides, ensuring that both limiting plates 20 are rotated to below the connecting plate 10 and retracted. This ensures that the limiting plate 20 is not on the movement trajectory of the support beam 17, preventing the limiting plate 20 from colliding with the support beam 17 and deforming, thus affecting the stability of the entire prefabricated frame. When the support beam 17 reaches the designated position, the end of the third I-beam 19 is inserted between the two connecting plates 10 and abuts against the baffle 23. The limiting plate 20 is then rotated in the opposite direction, clamping the third I-beam 19 between the two limiting plates 20.

[0031] Understandably, fixing holes 21 are also provided on the limiting plate 20 and the third I-beam 19. The third I-beam 19 is fixed to the limiting plates 20 on both sides by the first bolt 25, so that the support beam 17 is vertically fixed. The stability of the support beam 17 is improved by the support of the end of the third I-beam 19 by the connecting plate 10.

[0032] Understandably, to facilitate the connection between the support beam 17 and the support column 1, a first elastic element 26 is also provided in the grouting groove 18. The two ends of the first elastic element 26 are respectively connected to the third I-beam 19 and the inner wall of the grouting groove 18. When installing the support beam 17, the third I-beam 19 is first pushed into the grouting groove 18, compressing the first elastic element 26. When the support beam 17 reaches the designated position, the first elastic element 26 restores its deformation, causing the third I-beam 19 to abut against the two connecting plates 10 and generating a certain tensile force on the third I-beam 19 to prevent it from slipping out of the grouting groove 18.

[0033] In some embodiments, to further ensure that the third I-beam 19 can be stably installed between the two connecting plates 10 without shifting when the support beam 17 is installed with the support column 1, in some embodiments, the side wall of the grouting groove 18 is provided with a sliding groove 31, and a limiting groove 32 is also provided in the sliding groove 31. The side wall of the third I-beam 19 is also provided with a second elastic member 30 and a ball bearing 29. The two ends of the second elastic member 30 are connected to the side wall and the ball bearing 29. The second elastic member 30 is perpendicular to the first elastic member 26. The ball bearing 29 slides along the sliding groove 31, and the second elastic member 30 can extend to abut the ball bearing 29 against the limiting groove 32. When the support beam 17 is installed, the third I-beam 19 is pushed into the grouting groove 18, the first elastic member 26 is compressed, and the ball bearing 29 will slide along the sliding groove 31, reducing the friction between the third I-beam 19 and the inner wall of the grouting groove 18. When the ball bearing 29 near the end of the third I-beam 19 moves into the corresponding limiting groove 32, the ball bearing 29 will be pushed into the limiting groove 32 by the elastic force of the second elastic element 30. The limiting groove 32 will limit the ball bearing 29 to prevent the third I-beam 19 from moving out of the grouting groove 18. When the support beam 17 reaches the designated position, the third I-beam 19 is pulled outward. The ball bearing 29 in the limiting groove 32 will retract under the action of the first elastic element 26. At the same time, the first elastic element 26 will be stretched and reset, providing tension to the third I-beam 19 to prevent it from slipping out of the grouting groove 18, and inserting the end of the third I-beam 19 between the two connecting plates 10.

[0034] To ensure the support beam 17 is stably fixed to the connecting plate 10 in the lateral direction, thus guaranteeing the stability of the support beam 17 installation, in some embodiments, the support beam 17 further includes a positioning member 34 and a supporting reinforcing bar 33. The supporting reinforcing bar 33 is fixedly installed on the positioning member 34, which is located at both ends of the third I-beam 19. The positioning members 34 at both ends are fixedly connected by second bolts 36. One end of the supporting reinforcing bar 33 is fixedly installed inside the support beam 17, ensuring that the positioning member 34 can be stably positioned on the third I-beam 19. It is understood that the positioning member 34 and the third I-beam 19 are also provided with several insertion holes 35. After aligning the insertion holes 35 on the positioning member 34 and the third I-beam 19, the third I-beam 19 and the positioning member 34 are laterally fixed using the second bolts 36, thereby achieving lateral fixation of the support beam 17.

[0035] Understandably, in order to stably connect the third I-beam 19 to the connecting plate 10 and the connecting member 6, in some embodiments, the third I-beam 19 also includes a U-shaped bolt 37, which passes through the connecting seat 3 and the connecting plate 10 in sequence. The third I-beam 19, the connecting plate 10, and the connecting seat 3 are all provided with second positioning holes 12. The U-shaped bolt 37 is located at both ends of the third I-beam 19. Both ends of the U-shaped bolt 37 are inserted into the second positioning holes 12 on the connecting seat 3, the connecting plate 10, and the third I-beam 19 in sequence, and then the U-shaped bolt 37 is fixed to the third I-beam 19 by the second nut 38. This further reinforces the connecting member 6, the connecting plate 10, and the third I-beam 19, improving the overall stability of the prefabricated frame.

[0036] In some embodiments, the connector 6 further includes a wedge-shaped steel 8 and a second I-beam 9. One end of the wedge-shaped steel 8 is fixedly connected to the second I-beam 9, and the wedge-shaped steel 8 is fixedly installed at both ends of the first I-beam 7. The support column 1 is provided with corresponding positioning grooves 2 for accommodating the first I-beam 7, the second I-beam 9, and the wedge-shaped steel 8. After the support column 1 at the lower end is installed, the connector 6 is placed on the support column 1. When the connector 6 is inserted into the positioning groove 2 of the support column 1, the second I-beam 9 will first be inserted into the positioning groove 2. The diameter of the upper end of the positioning groove 2 matches the first I-beam 7. As the second I-beam 9 continues to be inserted, it will contact the inclined surface in the positioning groove 2 that matches the wedge-shaped steel 8. The second I-beam 9 will gradually straighten along the inclined surface and finally be inserted into the bottom of the positioning groove 2. At this time, the first I-beam 7, the wedge-shaped steel 8, and the second I-beam 9 are all in contact with the inner wall of the positioning groove 2, and the connector 6 is positioned. The same method is used when installing the support column 1 above the connecting plate 6.

[0037] In some embodiments, the connecting seat 3 is further provided with a first positioning hole 11 corresponding to the positioning steel bar 4. The positioning steel bar 4 on the connecting seat 3 passes through the corresponding first positioning hole 11 on the connecting plate 10 and is threadedly connected to the end of the positioning steel bar 4 by the first nut 5, thereby ensuring the stable fixation between the connecting seat 3 and the support column 1.

[0038] Furthermore, in some embodiments, the diameter of the second I-beam 9 is smaller than the diameter of the first I-beam 7, which allows the second I-beam 9 to have greater tolerance when inserted into the positioning groove 2, reducing the installation difficulty of the connector 6 and speeding up the installation efficiency.

[0039] To enhance the strength of the connection between the support beam 17 and the support column 1 after installation, grouting can be performed at their connection points. In some embodiments, the connector 6 further includes a fixing plate 14, which is fixedly connected to the first I-beam 7 and the baffle 23. The fixing plate 14 and the first I-beam 7 form a grout passage space. The first I-beam 7, the second I-beam 9, and the connecting plate 10 are all provided with first grout passage holes 13. Further, the support beam 17 also includes a first grouting hole 27 and a first grout outlet hole 28, with the first grout passage hole 13 communicating with the first grouting hole 27 and the first grout outlet hole 28. The first grouting hole 27 is located at the lower end of the support beam 17, and the first grout outlet 28 is located at the upper end of the support beam 17. During concrete pouring, concrete mortar is first injected into the support beam 17 through the first grouting hole 27. After the concrete mortar fills the space between the end of the third I-beam 19 and the inner wall of the grouting groove 18, the concrete mortar will flow out through the first grout outlet 28 at the upper end of the support beam 17. In order to completely fill the space between the grouting groove 18 and the third I-beam 19 where the first elastic element 26 is located with concrete mortar, the first grout outlet 28 is blocked after the concrete mortar flows out from the first grout outlet 28 at the upper end of the support beam 17, so as to prevent the concrete mortar from flowing out from the first grout outlet 28 before solidification, which would affect the reinforcement effect between the third I-beam 19 and the support beam 17.

[0040] Furthermore, in order to improve the connection strength between the support column 1 and the connecting plate 10 and ensure its vertical stability after the connection between the upper and lower support columns 1 and the connecting plate 10 is completed, in some embodiments, the support column 1 also includes a positioning groove 2, a second grouting hole 22, and a second grout outlet hole 39. The positioning groove 2 accommodates the connector 6. The connecting plate 10 includes a support plate 15, on which a second grout passage hole 16 is provided. The second grout passage hole 16 is connected to the positioning groove 2, the second grouting hole 22, and the second grout outlet hole 39. The prepared concrete mortar is injected through the second grouting hole 22 of the lower support column 1. The concrete mortar will pass through the first grout passage hole 13 on the second I-beam 9, first filling the upper positioning groove 2 of the lower support column 1, and then exiting from the second grout outlet hole on the lower support column 1. The concrete mortar flows out of hole 39, and then the second grout outlet hole 39 on the lower support column 1 is blocked. The concrete mortar will flow upward and pass through the connecting plate 10 and the first grout passage hole 13 on the first I-beam 7, gradually filling the space formed by the fixing plate 14 and the first I-beam 7. It will then flow out from the second grout outlet hole 39 at the lower end of the upper support column 1. Then, the second grout outlet holes 39 at the lower end of the upper support column 1 are blocked one by one, so that the concrete mortar fills the lower positioning groove 2 of the upper support column 1. Then, the second grouting hole 22 of the lower support column 1 is blocked. The positioning groove 2 of the upper and lower support columns 1 and the space in the connector 6 are filled with concrete mortar. After the concrete mortar solidifies, it forms a whole, which improves the stability between the upper and lower support columns 1 and the connector 6.

[0041] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the invention can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered in all respects as exemplary and non-limiting, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within the present invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A prefabricated frame, characterized in that, include: The support column is provided with several columns, including connectors, wherein the connectors include a first I-beam and two connecting plates; The support beam consists of several beams, with grouting grooves at both ends. A connecting seat includes a positioning steel bar, which passes through the connecting plate and is connected to the support column; The grouting groove contains a third I-beam that slides within it. The connector also includes a limiting plate located between the two connecting plates and on both sides of the third I-beam. The limiting plate is fixedly connected to the third I-beam by a first bolt. The connecting plate further includes a baffle and a rotating assembly, the baffle being connected to the first I-beam and the rotating assembly being connected to the limiting plate; The rotating assembly includes two meshing gears and a rotating shaft connected to the gears, and the limiting plate is connected to the rotating shaft; The grouting groove is also provided with a first elastic element, the two ends of which are respectively connected to the third I-beam and the inner wall of the grouting groove; The sidewall of the grouting groove is provided with a sliding groove, and a limiting groove is also provided in the sliding groove. The sidewall of the third I-beam is also provided with a second elastic element and a ball. The two ends of the second elastic element are connected to the sidewall and the ball. The second elastic element is perpendicular to the first elastic element. The ball slides along the sliding groove. The second elastic element can extend to abut the ball against the limiting groove. The support beam also includes positioning components and supporting reinforcing bars. The supporting reinforcing bars are fixedly installed on the positioning components. The positioning components are located at both ends of the third I-beam, and the positioning components at both ends are fixedly connected by second bolts. One end of the supporting steel bar is fixedly installed inside the supporting beam. The positioning member and the third I-beam are also provided with several insertion holes. After the insertion holes on the positioning member and the third I-beam are aligned, the third I-beam and the positioning member are laterally fixed by the second bolt.

2. The prefabricated frame as described in claim 1, characterized in that, The third I-beam also includes a U-shaped bolt, which passes through the connecting seat and the connecting plate in sequence.

3. The prefabricated frame as described in claim 1, characterized in that, The connector also includes a wedge-shaped steel and a second I-beam, one end of which is fixedly connected to the second I-beam, and the wedge-shaped steel is fixedly installed at both ends of the first I-beam.

4. The prefabricated frame as described in claim 3, characterized in that, The diameter of the second I-beam is smaller than the diameter of the first I-beam.

5. The prefabricated frame as described in claim 3, characterized in that, The connector also includes a fixing plate, which is fixedly connected to the first I-beam and the baffle. The fixing plate and the first I-beam form a grout passage space. The first I-beam, the second I-beam and the connecting plate are all provided with a first grout passage hole.

6. The prefabricated frame as described in claim 5, characterized in that, The support column further includes a positioning groove, a second grouting hole, and a second grout outlet hole. The positioning groove accommodates the connector. The connecting plate includes a support plate, and the support plate is provided with a second grout passage hole. The second grout passage hole communicates with the positioning groove, the second grouting hole, and the second grout outlet hole.

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