Multi-layer frame structure for building and construction method

Abstract

The invention discloses a building multi-layer frame structure and a construction method, and relates to the field of building frameworks, the building multi-layer frame structure comprises multiple groups of prefabricated frame columns, the multiple groups of prefabricated frame columns are stacked, wallboards are installed on the two sides of the prefabricated frame columns, and clamping grooves are formed in the edges of the top ends and the bottom ends of the prefabricated frame columns; limiting steel bars are installed in the clamping grooves, and the limiting steel bars and the prefabricated frame columns are horizontally arranged. In the mounting process, the prefabricated frame beam is limited up and down through the two sets of prefabricated frame columns, during construction, one set of prefabricated frame columns are fixed firstly, then fixing clamping blocks of the prefabricated frame beam are clamped in clamping grooves, limiting steel bars are inserted into connecting sleeves, and limiting of the prefabricated frame beam is achieved; then the second group of prefabricated frame columns are placed above the first group of prefabricated frame columns, and are aligned with holes in the top ends of the prefabricated frame beams through ground-selected clamping grooves and limiting steel bars.

Description

Technical Field

[0001] The present invention relates to the field of building frames, in particular to a multi-layer frame structure for buildings and a construction method. Background Art

[0002] Prefabricated construction is a construction method based on prefabricated components, using factory production and on-site assembly. Compared to traditional construction, prefabricated construction significantly shortens construction cycles and improves building quality and efficiency. In prefabricated construction, key building components such as walls, floor slabs, roofs, and columns are prefabricated in the factory and then transported to the construction site for rapid assembly. The key advantage of this method is that it effectively reduces on-site construction time. Because components are produced in a standardized factory environment, quality is better controlled. Prefabricated construction also offers environmental benefits. The production of prefabricated components effectively reduces on-site construction waste, and the materials used can be recycled multiple times, meeting the requirements of modern construction for sustainable development. Furthermore, prefabricated construction reduces reliance on labor and materials, conserves resources, and reduces energy consumption. With continuous technological advancements, prefabricated construction has gradually become a key development direction in modern construction. Especially in the context of accelerating urbanization, its advantages such as high efficiency, environmental protection, and energy saving have attracted increasing attention from the construction industry.

[0003] In the prior art, as disclosed in application number CN114164940A, the present application provides a low-rise, multi-story, support-free, assembled ultra-high performance concrete frame structure, comprising: a prefabricated frame column, a cantilever beam provided on the side of the prefabricated frame column, and a steel bar extending from an end portion inside the cantilever beam and extending in a direction away from the end portion to form a first lap steel bar; A prefabricated frame beam, wherein the steel bars inside the prefabricated frame beam extend outward from the end portion and extend away from the end portion to form a second lap steel bar; A connecting support device, wherein the connecting support device is in the form of an inverted double T-shaped steel plate, and its two ends are detachably connected to the end of the cantilever beam and one end of the prefabricated frame beam, respectively, to form a casting trough with an open top; A temporary diagonal brace, both ends of which are detachably connected to the prefabricated frame column and one end of the connecting support device close to the prefabricated frame beam; The first lap steel bars and the second lap steel bars are both placed in a casting trough and overlapped, and ultra-high performance concrete is poured into the casting trough to connect the prefabricated frame columns and the prefabricated frame beams to form a whole.

[0004] The prefabricated panel structure of the prior art needs to be pre-positioned by protruding steel bars during use, and then mortar is injected into the sleeve to fix the prefabricated panel. In addition, when the partition is connected to the frame column, an additional supporting structure is required to pre-position the partition. However, the existing pre-fixing is only pre-limited by half of the steel bar structure, and the pre-fixing effect is poor. The partition is then fixed and limited by reinforced concrete, etc., but there will be additional structural obstructions during fixation, which will affect the grouting effect. Summary of the Invention

[0005] Based on this, the purpose of the present invention is to provide a multi-story frame structure for construction and a construction method to solve the technical problems.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solution: a multi-story frame structure for a building, comprising a plurality of groups of prefabricated frame columns, the plurality of groups of prefabricated frame columns being stacked, wall panels being installed on both sides of the prefabricated frame columns, engaging grooves being provided at the top and bottom edge positions of the prefabricated frame columns, limiting steel bars being installed inside the engaging grooves, and the limiting steel bars being arranged horizontally with the prefabricated frame columns, a prefabricated frame beam being installed between two adjacent groups of prefabricated frame columns, a protruding cement block being provided at the top of the prefabricated frame beam, and a guide rod being connected to the top of the protruding cement block, The top of the prefabricated frame beam is located on both sides of the protruding cement block and a support platform is provided. The end of the prefabricated frame beam is connected to a fixed block, and a plurality of connecting sleeves are installed inside the fixed block. The prefabricated frame beam is installed inside the clamping groove, and the limiting steel bar is inserted into the connecting sleeve during installation. The side of the connecting sleeve is connected to the lower injection port and the upper discharge port, and the lower injection port and the upper discharge port extend to the outside of the fixed block. The top of the prefabricated frame beam is connected to the floor slab, and the bottom end of the floor slab is provided with a clamping mechanism that matches the support platform.

[0007] By adopting the above technical solution, when installing the prefabricated frame beam, the limiting steel bars can be inserted into the connecting sleeve to initially limit the prefabricated frame beam, and then the inside of the connecting sleeve is grouted to complete the fixation of the prefabricated frame beam. During the installation of the floor slab, the floor slab is limited by the prefabricated frame beam.

[0008] The present invention is further configured such that two groups of floor slabs are symmetrically installed on the top of a group of prefabricated frame beams, a connecting plate groove is provided at the bottom end of the floor slab, the floor slab is fitted with the support platform through the connecting plate groove, a locking mortise and tenon is provided at the edge of the floor slab, and two adjacent groups of floor slabs located on the prefabricated frame beam are locked and connected to each other through the locking mortise and tenon, a locking sleeve is provided inside the locking mortise and tenon, and the locking sleeve is aligned with the guide rod.

[0009] Preferably, the floor slabs can be conveniently fastened together and limited by the mortise and tenon joints between the floor slabs, mortar is injected under the mortise and tenon joints, and the floor slabs are fixed and limited by the mortise and tenon joints.

[0010] The present invention is further configured such that a fixing ring is provided at both the top and bottom ends of the locking sleeve, an arc groove is provided inside the locking sleeve, and the edge angle of the arc groove is an angular structure, and the inner wall of the locking sleeve is provided with multiple groups of corrugated grooves.

[0011] Preferably, the locking sleeve is fixed to the opening on the locking mortise and tenon, and then the arc groove is used to increase the contact area between the mortar and the locking sleeve after grouting, thereby improving the connection firmness.

[0012] The present invention is further configured such that a fixing bolt is connected to the top end of the floor slab, and a grouting sleeve is connected to the bottom end of the wall panel. When the wall panel is connected to the floor slab, the fixing bolt is inserted into the grouting sleeve, and a grouting pipe is also provided on the outside of the grouting sleeve.

[0013] Preferably, the wall panels and floor panels can be conveniently connected.

[0014] The present invention is further configured such that a plurality of groups of reinforcing steel bars are installed inside the prefabricated frame beam, and the ends of the guide rods extend into the interior of the prefabricated frame beam.

[0015] Preferably, the strength of the prefabricated frame beams can be improved.

[0016] The present invention is further configured such that a plurality of guide grooves are provided on the top of the support platform, and the guide grooves penetrate and cut through the protruding cement blocks, thereby cutting the protruding cement blocks into a plurality of structures.

[0017] As a preferred embodiment, it is convenient for the mortar to flow to the connecting plate groove and above the supporting platform during grouting, thereby increasing the connection effect.

[0018] The present invention is further configured such that guide ridges are provided inside the connecting sleeve, and there are three groups of guide ridges in total, the three groups of guide ridges are evenly distributed on the inner wall of the connecting sleeve, and when the limiting steel bars enter the inside of the connecting sleeve, the guide ridges do not hinder the movement of the limiting steel bars.

[0019] As a preference, the limiting steel bars can be conveniently limited by the guide edges, and during use, the contact area with the mortar can be increased by the guide edges.

[0020] A multi-story frame structure for construction and a construction method thereof, wherein the process comprises the following steps: Step 1: First, install the prefabricated frame column on the ground, then install wall panels on both sides of the prefabricated frame column, and fix the bottom wall panels by grouting, etc., then hoist the prefabricated frame beam to the outer engaging groove of the prefabricated frame column, and slowly move the prefabricated frame beam downward; Step 2: Align the prefabricated frame beam with the limiting steel bar through the connecting sleeve opened at the bottom, insert the connecting sleeve into the outside of the limiting steel bar, and fix the clamping block in the clamping groove to perform preliminary positioning of the prefabricated frame beam; Step 3: Lift the upper prefabricated frame column and move it above the prefabricated frame beam, aligning the engaging groove at the bottom of the prefabricated frame column with the fixed block at the top of the prefabricated frame beam. At this time, align the limiting steel bar at the bottom of the prefabricated frame column with the top opening of the connecting sleeve. Slowly lower the prefabricated frame column so that the limiting steel bar is inserted into the top of the connecting sleeve to complete the fixed installation of the prefabricated frame beam. Step 4: Then, mortar needs to be poured into the connecting sleeve. At this time, align the grouting equipment from the lower injection port and inject the mortar into the connecting sleeve. At this time, the mortar is filled in the connecting sleeve, and the limiting steel bars of the lower prefabricated frame column are connected to the limiting steel bars of the upper prefabricated frame column. When the mortar is discharged from the upper discharge port, the upper discharge port and the lower injection port are sealed with a rubber plug; Step 5: Install the floor slab. Hoist and move the floor slab onto the prefabricated frame beam. At this time, align the connecting plate groove with the prefabricated frame beam, align the locking sleeve in the locking mortise and tenon with the guide rod, slowly lower the floor slab, insert the guide rod into the locking sleeve, and fit the connecting plate groove with the support platform. At this time, the bottom end of the floor slab fits with the top end of the wall panel on the bottom floor, thus achieving the initial fixation of the floor slab. Step 6: Install the second set of floor slabs in a symmetrical position with the first set of floor slabs. The two sets of floor slabs are connected by mortise and tenon joints. After the installation of the two sets of floor slabs is completed, grouting is performed in each set of snap-fit ​​sleeves through grouting equipment to fill the bottom of the snap-fit ​​mortise and tenon joints, thereby limiting and fixing the two sets of floor slabs.

[0021] In summary, the present invention mainly has the following beneficial effects: The present invention sets prefabricated frame columns and prefabricated frame beams. During the installation process, the prefabricated frame beams are limited by two groups of prefabricated frame columns. During construction, one group of prefabricated frame columns is first fixed, and then the fixed blocks of the prefabricated frame beams are engaged in the engaging grooves, and the limiting steel bars are inserted into the connecting sleeves to achieve the limiting of the prefabricated frame beams. Then, the second group of prefabricated frame columns is placed above the prefabricated frame columns of the first group, and the engaging grooves and the limiting steel bars are aligned with the openings at the top of the prefabricated frame beams through the selected engaging grooves and the limiting steel bars, so that the prefabricated frame beams are also limited from above, thereby improving the stability of the prefabricated frame beams. Then, slurry is injected into the connecting sleeves from below to further fix the prefabricated frame beams.

[0022] The present invention also sets up prefabricated frame beams and floor slabs. When the floor slabs are installed, they are limited and engaged with each other through the mortise and tenon joints on the side. Then, the space above the prefabricated frame beams is grouted through the engaging sleeve. The mortar flows to the bottom of the floor slab through the guide groove, so that the floor slab is connected to the prefabricated frame beams through the mortar, so that the mortar can also fix the floor slab from below, thereby improving the connection effect. After the mortar is fixed, it can further fully contact the mortar through the guide rod, thereby improving the connection effect between the floor slab and the mortar. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of the present invention; Figure 2 This is a schematic structural diagram of the connection between the prefabricated frame columns and the prefabricated frame beams of the present invention; Figure 3 This is a structural diagram of a cross-section of a prefabricated frame beam of the present invention; Figure 4 It is a structural schematic diagram of the connecting sleeve of the present invention; Figure 5 This is a schematic diagram of the structure of the prefabricated frame beams and floor slabs fixed to the present invention; Figure 6 For the present invention Figure 5 Schematic diagram of the local enlarged structure at A in the middle; Figure 7 This is a schematic structural diagram of the prefabricated frame beam of the present invention; Figure 8 This is a schematic diagram of the structure of the floor slab of the present invention when viewed from above; Figure 9 It is a structural schematic diagram of the clamping sleeve of the present invention.

[0024] Description of reference numerals: 1. Prefabricated frame column; 101. Snap-fit ​​groove; 102. Limiting steel bar; 103. Metal edge; 2. Floor slab; 201. Snap-fit ​​mortise and tenon; 202. Snap-fit ​​sleeve; 2021. Fixing ring; 2022. Arc groove; 2023. Corrugated groove; 203. Fixing bolt; 204. Connecting plate groove; 3. Prefabricated frame beam; 301. Reinforcement steel bar; 302. Protruding cement block; 303. Guide rod; 304. Support platform; 3041. Guide groove; 305. Fixing block; 306. Connecting sleeve; 3061. Lower injection port; 3062. Upper discharge port; 3063. Guide edge; 4. Wall panel; 401. Grouting sleeve. DETAILED DESCRIPTION

[0025] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be understood as limiting the present invention.

[0026] The following describes an embodiment of the present invention based on its overall structure.

[0027] See also Figures 1 to 3 A multi-story frame structure for a building includes multiple groups of prefabricated frame columns 1, which are stacked. Wall panels 4 are installed on both sides of the prefabricated frame columns 1. The top and bottom edges of the prefabricated frame columns 1 are both provided with engaging grooves 101. Limiting steel bars 102 are installed inside the engaging grooves 101, and the limiting steel bars 102 are arranged horizontally with the prefabricated frame columns 1.

[0028] See also Figures 1 to 7A prefabricated frame beam 3 is installed between two adjacent prefabricated frame columns 1. A protruding cement block 302 is provided at the top of the prefabricated frame beam 3. A guide rod 303 is connected to the top of the protruding cement block 302. A support platform 304 is provided on both sides of the top of the prefabricated frame beam 3 at the protruding cement block 302. A plurality of guide grooves 3041 are provided at the top of the support platform 304. The guide grooves 3041 penetrate and cut through the protruding cement block 302, cutting the protruding cement block 302 into multiple groups of structures. A fixed block 305 is connected to the end of the prefabricated frame beam 3. A plurality of connecting sleeves 306 are installed inside the fixed block 305. The prefabricated frame beam 3 It is installed inside the snap-fit ​​groove 101, and the limiting steel bar 102 is inserted into the connecting sleeve 306 during installation. The side of the connecting sleeve 306 is connected with the lower injection port 3061 and the upper discharge port 3062, and the lower injection port 3061 and the upper discharge port 3062 extend to the outside of the fixed block 305. The top of the prefabricated frame beam 3 is connected with the floor slab 2. Two groups of floor slabs 2 are symmetrically installed on the top of a group of prefabricated frame beams 3. A connecting plate groove 204 is provided at the bottom end of the floor slab 2. The floor slab 2 is fitted with the supporting platform 304 through the connecting plate groove 204. The edge of the floor slab 2 is provided with a snap-fit ​​mortise and tenon 201, which is located between two adjacent groups of floor slabs 2 on the prefabricated frame beam 3. The mortise and tenon 201 are connected to each other by snapping together. A snap sleeve 202 is provided inside the snap mortise and tenon 201. The snap sleeve 202 is aligned with the guide rod 303. A fixing ring 2021 is provided at the top and bottom of the snap sleeve 202. An arc groove 2022 is provided inside the snap sleeve 202, and the edge of the arc groove 2022 is an angular structure. The inner wall of the snap sleeve 202 is provided with multiple groups of corrugated grooves 2023. When installing, align the snap sleeve 202 in the snap mortise and tenon 201 with the guide rod 303, slowly lower the floor slab 2, insert the guide rod 303 into the snap sleeve 202, and connect the plate groove 2023. 4 fits with the supporting platform 304, and at this time, the bottom end of the floor slab 2 fits with the top end of the wall panel 4 of the bottom layer, so as to achieve the preliminary fixation of the floor slab 2, and then the second group of floor slabs 2 is installed in the symmetrical position of the group of floor slabs 2. The two groups of floor slabs 2 are connected by the mortise and tenon 201. After the installation of the two groups of floor slabs 2 is completed, the grouting equipment is used to grout each group of the engaging sleeves 202, so that the mortar is filled under the mortise and tenon 201, and the mortar is guided by multiple groups of guide grooves 3041 to flow to the bottom of the connecting plate groove 204, thereby increasing the connection area between the connecting plate groove 204 and the prefabricated frame beam 3, thereby limiting and fixing the two groups of floor slabs 2.

[0029] In the above embodiment, please refer to Figures 1 to 3 The top of the floor slab 2 is connected to a fixing bolt 203, and the bottom end of the wall panel 4 is connected to a grouting sleeve 401. When the wall panel 4 is connected to the floor slab 2, the fixing bolt 203 is inserted into the grouting sleeve 401, and a grouting pipe is also opened on the outside of the grouting sleeve 401, so that the wall panel 4 can be fixed to the floor slab 2.

[0030] In the above embodiment, please refer to Figure 1 system Figure 3 A plurality of reinforcing steel bars 301 are installed inside the prefabricated frame beam 3, and the end of the guide rod 303 extends into the interior of the prefabricated frame beam 3, which can effectively increase the strength of the prefabricated frame beam 3 and improve the stability of the prefabricated frame beam 3.

[0031] In the above embodiment, please refer to Figure 4 , guide ribs 3063 are provided inside the connecting sleeve 306, and there are three groups of guide ribs 3063. The three groups of guide ribs 3063 are evenly distributed on the inner wall of the connecting sleeve 306, and when the limiting steel bar 102 enters the inside of the connecting sleeve 306, the guide ribs 3063 do not hinder the movement of the limiting steel bar 102. When the limiting steel bar 102 is inserted, the direction of the limiting steel bar 102 can be guided by the guide ribs 3063. During grouting, the contact area between the mortar and the connecting sleeve 306 is increased by the guide ribs 3063, thereby improving stability.

[0032] After the slats 102 are in place, the top slats 103 are fastened to the floor, and the top slats 104 are fastened to the floor, and the top slats 105 are fastened to the floor. After the mortar is filled in the connecting sleeve 306, the limiting steel bar 102 of the lower prefabricated frame column 1 is connected to the limiting steel bar 102 of the upper prefabricated frame column 1. When the mortar is discharged from the upper discharge port 3062, the upper discharge port 3062 and the lower discharge port 3061 are sealed by the rubber plug, and the next step is performed after the mortar solidifies. After the mortar solidifies, the floor slab 2 needs to be installed. The floor slab 2 is hoisted and moved to the prefabricated frame beam 3. At this time, the connecting plate groove 204 is aligned with the prefabricated frame beam 3, and the engaging sleeve 202 in the engaging mortise and tenon 201 is aligned with the guide rod 303. The floor slab 2 is slowly lowered, and the guide rod 303 is inserted into the engaging sleeve 202. The connecting plate groove 204 is fitted with the supporting platform 304. At this time, the bottom end of the floor slab 2 is fitted with the top end of the wall panel 4 of the bottom layer, realizing the preliminary fixation of the floor slab 2. Then the second set of floor slabs 2 is installed in the symmetrical position of the first set of floor slabs 2. The two sets The floor slabs 2 are connected by the engaging mortise and tenon 201. After the installation of the two sets of floor slabs 2 is completed, the grouting equipment is used to grout the inside of each set of engaging sleeves 202 so that the mortise and tenon 201 is filled with mortar, thereby limiting and fixing the two sets of floor slabs 2, and achieving the fixation of the floor slabs 2 and the prefabricated frame beams 3, which can effectively improve the installation efficiency of the floor slabs 2 and improve the firmness. The injected slurry will flow through the guide groove 3041 to the bottom of each set of connecting plate grooves 204, so that the mortar can further fix the floor slabs 2 and improve the fixing effect. Then install the wall panel 4 to the edge of the floor slab 2. At this time, the bottom end of the wall panel 4 is aligned with the fixing bolt 203 through the grouting sleeve 401 (the same as the current connecting sleeve, which belongs to the existing technology). Slowly lower the wall panel 4, and the grouting sleeve 401 is sleeved on the outside of the fixing bolt 203 to pre-fix the wall panel 4. Then, mortar is poured into the grouting sleeve 401 to fix the wall panel 4 of the second layer. Then, the prefabricated frame column 1, prefabricated frame beam 3, wall panel 4 and floor slab 2 are assembled in turn.

[0033] Although an embodiment of the present invention has been shown and described, this specific embodiment is merely an explanation of the present invention and is not a limitation of the invention. The specific features, structures, materials or characteristics described may be combined in an appropriate manner in any one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions and variations to the embodiment without creative contribution as needed without departing from the principles and purpose of the present invention. However, as long as they are within the scope of the claims of the present invention, they are protected by patent law.

Claims

1. A multi-story frame structure for a building, comprising a plurality of groups of prefabricated frame columns (1), wherein the plurality of groups of prefabricated frame columns (1) are stacked, characterized in that: Wall panels (4) are installed on both sides of the prefabricated frame column (1), and the top and bottom edge positions of the prefabricated frame column (1) are both provided with a snap-fit ​​groove (101), and a limiting steel bar (102) is installed inside the snap-fit ​​groove (101), and the limiting steel bar (102) is arranged horizontally with the prefabricated frame column (1), and a prefabricated frame beam (3) is installed between two groups of adjacent prefabricated frame columns (1), and a protruding cement block (302) is provided on the top of the prefabricated frame beam (3), and a guide rod (303) is connected to the top of the protruding cement block (302), and a support platform (304) is provided on both sides of the top of the prefabricated frame beam (3) located on the protruding cement block (302). The end of the frame beam (3) is connected to a fixed block (305), and a plurality of connecting sleeves (306) are installed inside the fixed block (305). The prefabricated frame beam (3) is installed inside the engaging groove (101), and the limiting steel bar (102) is inserted into the connecting sleeve (306) during installation. The side of the connecting sleeve (306) is connected to a lower injection port (3061) and an upper discharge port (3062), and the lower injection port (3061) and the upper discharge port (3062) extend to the outside of the fixed block (305). The top end of the prefabricated frame beam (3) is connected to a floor slab (2), and the bottom end of the floor slab (2) is provided with an engaging mechanism that matches the support platform (304).

2. A multi-story frame structure for construction according to claim 1, characterized in that: Two groups of floor slabs (2) are symmetrically mounted on the top of a group of prefabricated frame beams (3), a connecting plate groove (204) is provided at the bottom of each floor slab (2), and the floor slabs (2) are fitted to the support platform (304) via the connecting plate groove (204), and a snap-fit ​​mortise and tenon (201) is provided at the edge of each floor slab (2), and two adjacent groups of floor slabs (2) on the prefabricated frame beams (3) are snap-fitted and connected to each other via the snap-fit ​​mortise and tenon (201), and a snap-fit ​​sleeve (202) is provided inside each snap-fit ​​mortise and tenon (201), and the snap-fit ​​sleeve (202) is aligned with the guide rod (303).

3. A multi-story frame structure for construction according to claim 2, characterized in that: The top and bottom ends of the locking sleeve (202) are both provided with fixing rings (2021), the interior of the locking sleeve (202) is provided with an arc groove (2022), and the edge of the arc groove (2022) is an angular structure, and the inner wall of the locking sleeve (202) is provided with multiple groups of corrugated grooves (2023).

4. The multi-story frame structure for construction according to claim 1, wherein: The top end of the floor slab (2) is connected to a fixing bolt (203), and the bottom end of the wall panel (4) is connected to a grouting sleeve (401). When the wall panel (4) is connected to the floor slab (2), the fixing bolt (203) is inserted into the grouting sleeve (401), and a grouting pipe is also provided on the outside of the grouting sleeve (401).

5. The multi-story frame structure for construction according to claim 1, characterized in that: A plurality of groups of reinforcing steel bars (301) are installed inside the prefabricated frame beam (3), and the ends of the guide rods (303) extend into the interior of the prefabricated frame beam (3).

6. The multi-story frame structure for construction according to claim 1, characterized in that: The top of the support platform (304) is provided with a plurality of guide grooves (3041), and the guide grooves (3041) penetrate and cut the protruding cement block (302), thereby cutting the protruding cement block (302) into a plurality of structures.

7. The multi-story frame structure for construction according to claim 1, characterized in that: The connecting sleeve (306) is provided with guide ribs (3063) in its interior, and there are three groups of guide ribs (3063) in total. The three groups of guide ribs (3063) are evenly distributed on the inner wall of the connecting sleeve (306). When the limiting steel bar (102) enters the interior of the connecting sleeve (306), the guide ribs (3063) do not hinder the movement of the limiting steel bar (102).

8. A multi-story frame structure for construction and a construction method, characterized in that The process of using the multi-story frame structure for construction according to any one of claims 1 to 7 comprises the following steps: Step 1: First, install the prefabricated frame column on the ground, then install the wall panels on both sides of the prefabricated frame column, and fix the bottom wall panels by grouting, then hoist the prefabricated frame beam to the outer engaging groove of the prefabricated frame column, and slowly move the prefabricated frame beam downward; Step 2: Align the prefabricated frame beam with the limiting steel bar through the connecting sleeve opened at the bottom, insert the connecting sleeve into the outside of the limiting steel bar, and fix the clamping block in the clamping groove to perform preliminary positioning of the prefabricated frame beam; Step 3: Lift the upper prefabricated frame column and move it above the prefabricated frame beam, aligning the engaging groove at the bottom of the prefabricated frame column with the fixed block at the top of the prefabricated frame beam. At this time, align the limiting steel bar at the bottom of the prefabricated frame column with the top opening of the connecting sleeve. Slowly lower the prefabricated frame column so that the limiting steel bar is inserted into the top of the connecting sleeve to complete the fixed installation of the prefabricated frame beam. Step 4: Then, mortar needs to be poured into the connecting sleeve. At this time, align the grouting equipment from the lower injection port and inject the mortar into the connecting sleeve. At this time, the mortar is filled in the connecting sleeve, and the limiting steel bars of the lower prefabricated frame column are connected to the limiting steel bars of the upper prefabricated frame column. When the mortar is discharged from the upper discharge port, the upper discharge port and the lower injection port are sealed with a rubber plug; Step 5: Install the floor slab. Hoist and move the floor slab onto the prefabricated frame beam. At this time, align the connecting plate groove with the prefabricated frame beam, align the locking sleeve in the locking mortise and tenon with the guide rod, slowly lower the floor slab, insert the guide rod into the locking sleeve, and fit the connecting plate groove with the support platform. At this time, the bottom end of the floor slab fits with the top end of the wall panel on the bottom floor, thus achieving the initial fixation of the floor slab. Step 6: Install the second set of floor slabs in a symmetrical position with the first set of floor slabs. The two sets of floor slabs are connected by mortise and tenon joints. After the installation of the two sets of floor slabs is completed, grouting is performed in each set of snap-fit ​​sleeves through grouting equipment to fill the bottom of the snap-fit ​​mortise and tenon joints, thereby limiting and fixing the two sets of floor slabs.

Images