Quick assembling and locking structure of laminated slab

Abstract

The application discloses a kind of quick assembly lock structures of laminated slab, including mutually spliced first laminated slab and second laminated slab, the top four corners of the first laminated slab and second laminated slab are fixed with hook for handling, the right side inside of the first laminated slab is slidably provided with positioning plate, the left and right sides of the first laminated slab and second laminated slab are integrally provided with docking air cushion, a group of matching holes for the movement of positioning plate are excavated in the center of the face of docking air cushion, the end of the first laminated slab away from positioning plate is also provided with docking groove;Avoiding water accumulation in the top position of the first laminated slab and second laminated slab.The quick assembly lock structure of laminated slab, combined with embedded wedge, is wedged by rotating threaded bolt, and then the gas inside the first laminated slab and second laminated slab can be conveniently delivered to the inside of docking air cushion, and then the precise lamination of two sets of docking air cushion can be realized, so as to form physical seal, prevent high-rise building roof rainwater penetration.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of laminated slab, in particular to a laminated slab quick assembling and locking structure. BACKGROUND

[0002] The laminated slab is a kind of building formwork combining prefabrication and cast-in-situ concrete. The connecting part of the laminated slab is welded by a keel steel bar truss. When the concrete is poured, the connecting part of the laminated slab is integrated with the steel bar and the concrete, playing a more adhesive and more firm role. The prefabricated prestressed thin slab (5-8 cm thick) is combined with the upper cast-in-situ concrete layer to become a whole to work together. When the laminated slab is butt-jointed and installed, the laminated slab can be used when laying on the top floor of a high-rise building. In the later period, a thermal insulation layer and a protective layer also need to be laid on the top of the laminated slab, which needs to be assisted by a quick assembling and locking structure.

[0003] The existing laminated slab is not convenient for quick assembly during use, which causes certain disadvantages in the installation process. In order to solve the above problems, reference can be made to the existing technology (Chinese patent with application number CN202222792465.8 and application date of October 24, 2022) to disclose a kind of assembled construction's assembled laminated slab, the assembled laminated slab is composed of a group of middle plates, two groups of side plates and two groups of connecting plates, each component can be replaced separately, and quick splicing can be completed, time and physical strength are saved;After splicing, the outside is neat;The middle plate is connected to the fourth slot on the two sides, the first insert plate is connected to the fifth slot, the width of the first insert plate is less than the width of the second insert plate, so that the first insert plate does not shake after clamping;And reference can be made to the existing technology (Chinese patent with application number CN202221727123.1 and application date of July 6, 2022) to disclose a kind of new assembled construction's assembled laminated slab, the upper laminated slab is installed above the lower laminated slab, and the upper convex column and the upper interference groove are sleeved, the lower convex column and the upper interference groove are sleeved, the locking steel bar is inserted into the through slot and extends into the inside of the upper convex column, so that the upper laminated slab is fixedly installed above the lower laminated slab, the locking screw is rotated, the locking steel bar is locked, the locking steel bar is prevented from moving out, the tightness between the lower laminated slab and the upper laminated slab is enhanced, in the later pouring construction, the joint will not appear leakage, even the phenomenon of honeycomb surface, the quality is improved;Finally, reference can be made to the existing technology (Chinese patent with application number CN202122359562.3 and application date of September 28, 2021) to disclose a kind of laminated slab assembly structure, the second laminated slab can be clamped in the inside of the fixed hole through the clamping of the clamping block, the first laminated slab and the second laminated slab are conveniently buckled, the stability of the laminated slab during assembly is maintained, one end of the positioning rod can be inserted into the inside of the fixed plate, the positioning rod can be automatically clamped in the inside of the fixed plate by the action force of the reset spring, the first laminated slab and the second laminated slab are conveniently assembled and fixed, and multiple laminated slabs are conveniently assembled, the working efficiency of workers is greatly improved, and installation and disassembly are facilitated.

[0004] Although the above-mentioned laminated slab assembly structure can solve the purpose of quick assembly during use, there are still other problems in the working process. In high-rise construction, laminated slabs can be used as flat plates for high-rise top floors, and two groups of laminated slabs are connected and installed, there will be a certain gap between the two groups of laminated slabs, which can cause leakage in the later stage, and the work of connection needs to ensure that the top surface has a certain slope. The existing laminated slab cannot solve the above problems well.

[0005] Therefore, a quick assembly and locking structure of a composite slab is provided to solve the above problems. SUMMARY

[0006] The purpose of the present application is to provide a quick assembly and locking structure of a composite slab to solve the above problems in the background art. Currently, when building high-rise buildings, composite slabs can be used as flat plates for the top floor of the high-rise building. When two groups of composite slabs are connected and installed, there will be a certain gap between the two groups of composite slabs, which can cause leakage in the later stage. In addition, the work of connecting the two groups of composite slabs also needs to ensure that the top surface has a certain slope.

[0007] To achieve the above purpose, the present application provides the following technical solution: a quick assembly and locking structure of a composite slab, comprising a first composite slab and a second composite slab that are connected to each other, wherein the top corners of the first composite slab and the second composite slab are fixed with hooks for handling.

[0008] Preferably, the positioning mechanism comprises a rotating threaded bolt arranged on the top of the first composite slab, and the bottom outside of the rotating threaded bolt is threadedly connected to the inside of the embedded wedge. The outside of the embedded wedge is slidingly arranged in the inside of the first composite slab, and the bottom of the embedded wedge extends into the inside of the connecting groove. The bottom of the embedded wedge is on the same vertical line as the embedded hole. By extruding the embedded hole with the embedded wedge, the positioning plate moves into the inside of the connecting groove, thereby achieving tight connection between the first composite slab and the second composite slab.

[0009] Preferably, the embedded wedge is square in shape, and the bottom surface of the embedded wedge is inclined. The movement of the embedded wedge enables the sealing mechanism inside the first composite slab and the second composite slab to operate.

[0010] Preferably, the sealing mechanism comprises a first piston strip embedded in the wedge block and extending into the first laminated board, the outer side of the first piston strip is fitted in the sealing groove in the first laminated board, one side of the first piston strip is connected between the guide and the inner wall of the sealing groove, the end of the sealing groove away from the first piston strip is also connected with the first gas pipe, and the outer end of the first gas pipe is connected with the right abutting air cushion.

[0011] Preferably, the sealing mechanism further comprises a second piston strip fitted in the positioning plate and extending into the abutting groove, the other end of the second piston strip is connected between the connecting springs and the inner wall of the abutting groove, the inner side of the abutting groove is also connected with the second gas pipe at one end, and the other end of the second gas pipe is connected with the left abutting air cushion.

[0012] Preferably, the outer wall of the second piston strip is fitted in the inner wall of the abutting groove, and the left and right abutting air cushions are made of elastic rubber.

[0013] Preferably, the guide is in the shape of a frame, the inner wall of the guide is fitted in the outer wall of the first piston strip, the first piston strip and the inner wall of the sealing groove form a sliding structure through the guide, and the sealing groove and the abutting groove are filled with krypton.

[0014] Preferably, the lifting mechanism comprises a third gas pipe connected with the inner side of the middle part of the abutting groove, the other end of the third gas pipe is bifurcated and connected with the middle part of a plurality of lifting pieces, and the upper and lower ends of the lifting pieces are fixed in the sliding accommodating grooves in the inner wall of the first laminated board.

[0015] Preferably, the lifting mechanism comprises a vertical pipe and a longitudinal rod, the inner side of the vertical pipe is slidably provided with the longitudinal rod, and the bottom of the longitudinal rod is further fixed with a fitting pad, and the bottom of the fitting pad is connected between the inner wall of the vertical pipe and the cooperating spring.

[0016] Preferably, the third gas pipe is internally provided with a bidirectional check valve, and the spring pressure of the bidirectional check valve is greater than the elastic force of the abutting air cushion.

[0017] Compared with the prior art, the beneficial effects of the present application are: the rapid assembly and locking structure of the laminated slab uses the third gas conveying pipe to conduct gas pressure to the lifting piece through the lifting mechanism, and through the elastic cooperation of the vertical pipe and the longitudinal rod, the center of the top surface of the laminated slab is slightly lifted to form a drainage slope (the radian is about 2°), which effectively avoids water accumulation on the roof of high-rise buildings; at the same time, the sealing mechanism drives the joint gap of the inflatable sealing plate through the piston strip filled with krypton gas and the gas conveying pipeline, and combines with the wedge screw locking structure, which significantly improves the waterproof performance and structural stability of the laminated slab after assembly, especially suitable for efficient installation and anti-seepage of prefabricated concrete floor, and the specific content is shown as follows:

[0018] (1), through the setting of the hook, the first laminated slab and the second laminated slab can be quickly handled, which is convenient for positioning and installation work in the later stage, especially suitable for continuous installation of multiple laminated slabs in high-rise construction.

[0019] (2), combined with the embedded wedge, the gas in the first laminated slab and the second laminated slab can be conveniently conveyed to the inside of the joint inflatable pad, and then the two groups of joint inflatable pads can be precisely attached, so as to form a physical seal and prevent rainwater on the roof of high-rise buildings from penetrating.

[0020] (3), the vertical pipe of the lifting piece is provided with a longitudinal rod and a matching spring, and by adjusting the extension length of the longitudinal rod, the slope of the top surface of the laminated slab can be accurately controlled, avoiding the error of manual slope finding in traditional construction, especially suitable for high-rise roof water accumulation prevention scene. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a front view structure schematic diagram of the present application;

[0022] Figure 2 It is an enlarged structure schematic diagram of A in the present application Figure 1

[0023] Figure 3 It is a first laminated slab bottom view structure schematic diagram of the present application;

[0024] Figure 4 It is an embedded wedge front view cross-sectional structure schematic diagram of the present application;

[0025] Figure 5 It is a positioning plate top view cross-sectional structure schematic diagram of the present application;

[0026] Figure 6 It is a first laminated slab front view cross-sectional structure schematic diagram of the present application;

[0027] Figure 7 It is an enlarged structure schematic diagram of B in the present application Figure 5

[0028] Figure 8 ​​It is a first laminated board local main view structure schematic diagram of the present application.

[0029] Figure 9 It is a lifting piece main view section structure schematic diagram of the present application.

[0030] In the figure: 1, first laminated board; 2, second laminated board; 3, hook; 4, positioning plate; 5, matching hole; 6, butt joint groove; 7, butt joint air cushion; 8, rotating threaded bolt; 9, embedded wedge; 10, embedded hole; 11, first piston strip; 12, sealing groove; 13, guide; 14, first gas pipe; 15, second piston strip; 16, connecting spring; 17, second gas pipe; 18, third gas pipe; 19, lifting piece; 1901, vertical pipe; 1902, longitudinal rod; 1903, fit pad; 1904, matching spring; 20, containing groove. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work are within the scope of protection of the present application.

[0032] Please refer to Figures 1-9 The present application provides the following technical solutions: a laminated board rapid assembly locking structure.

[0033] Embodiment one: in order to solve the problem of leakage in the later stage when using laminated board as the flat plate of high-rise top floor during high-rise building, a certain gap exists between two groups of laminated boards during butt joint installation, and the problem of leakage in the later stage can be solved, which can be referred to the attached Figure 1 -attached Figure 8, including each other spliced first laminated slab 1 and second laminated slab 2, the top four corners of first laminated slab 1 and second laminated slab 2 are fixed with hooks 3 for handling; the right side of first laminated slab 1 is slidably provided with a positioning plate 4, and the left and right sides of first laminated slab 1 and second laminated slab 2 are both provided with a docking air cushion 7, a group of matching holes 5 for the movement of the positioning plate 4 are excavated in the center of the face of the docking air cushion 7, and a docking groove 6 is also provided at the end of first laminated slab 1 away from the positioning plate 4; a positioning mechanism is also provided at the top of first laminated slab 1 near the top of the docking groove 6, which realizes seamless connection between first laminated slab 1 and second laminated slab 2; the positioning mechanism includes a rotating threaded bolt 8 rotatably arranged at the top of first laminated slab 1, and the bottom outside of the rotating threaded bolt 8 is threadedly connected to the inside of an embedded wedge 9, the outside of the embedded wedge 9 is slidably arranged in the inside of first laminated slab 1, the bottom of the embedded wedge 9 extends into the inside of the docking groove 6, the bottom of the embedded wedge 9 is on the same vertical line as the embedded hole 10, and the embedded wedge 9 extrudes the embedded hole 10, so that the positioning plate 4 moves into the inside of the docking groove 6, thereby realizing tight splicing between first laminated slab 1 and second laminated slab 2; the embedded wedge 9 is square in shape, and the bottom surface of the embedded wedge 9 is inclined; the movement of the embedded wedge 9 realizes the operation of the sealing mechanism in first laminated slab 1 and second laminated slab 2; the sealing mechanism includes a first piston strip 11 at one end of the embedded wedge 9 extending into the inside of first laminated slab 1, the outside of the first piston strip 11 is fitted in a sealing groove 12 provided in the inside of first laminated slab 1, one side of the first piston strip 11 is connected between the guide 13 and the inner wall of the sealing groove 12, and the end of the sealing groove 12 away from the first piston strip 11 is also communicated with a first gas pipe 14, and the outer end of the first gas pipe 14 is connected with the right docking air cushion 7; the sealing mechanism also includes a second piston strip 15 fitted at one end of the positioning plate 4 extending into the inside of the docking groove 6, the other end of the second piston strip 15 is connected between the inner wall of the docking groove 6 and a plurality of connecting springs 16, one end of the inside of the docking groove 6 is also communicated with a second gas pipe 17, and the other end of the second gas pipe 17 is connected with the left docking air cushion 7; the outer wall of the second piston strip 15 is fitted in the inner wall of the docking groove 6, and the left and right docking air cushions 7 are both made of elastic rubber; the guide 13 is frame-shaped, and the inner wall of the guide 13 is fitted on the outer wall of the first piston strip 11; the first piston strip 11 and the inner wall of the sealing groove 12 form a sliding structure through the guide 13; and the inside of the sealing groove 12 and the docking groove 6 is filled with krypton.

[0034] When the first laminated slab 1 and the second laminated slab 2 are positioned and installed, first, the first laminated slab 1 and the second laminated slab 2 can be hoisted by hooks 3 using a crane, when the first laminated slab 1 and the second laminated slab 2 are hoisted to the designated position, it is necessary to ensure that the positioning plate 4 provided on one side of the first laminated slab 1 is in the same position as the butt joint groove 6 opened on one side of the second laminated slab 2, then move the first laminated slab 1 or the second laminated slab 2 transversely, so that the positioning plate 4 is embedded in the inside of the butt joint groove 6, and also need two mutually close butt joint air cushions 7 to be attached, at this time, the purpose of positioning the first laminated slab 1 and the second laminated slab 2 is achieved, then when the positioning plate 4 moves to a certain position, by rotating the threaded bolt 8 using a wrench, the threaded embedded wedge 9 driven by the threaded bolt 8 can be lowered in the inside of the first laminated slab 1, the embedded wedge 9 is provided with a bevel on one side, so that the embedded wedge 9 drives the positioning plate 4 to move, when the positioning plate 4 moves to the right, the positioning plate 4 also drives the first piston strip 11 to slide in the inside of the sealing groove 12, and the first piston strip 11 is stably guided and moved by the guide 13, at this time, the gas in the inside of the sealing groove 12 is transported to the inside of the butt joint air cushion 7 through the first gas pipe 14 during the movement of the first piston strip 11, so that the butt joint air cushion 7 expands, in addition, after the positioning plate 4 is embedded in the inside of the butt joint groove 6, the second piston strip 15 in the inside of the butt joint groove 6 also moves, causing the second piston strip 15 to move through the connecting spring 16, causing the gas in the inside of the second piston strip 15 to be stably transported through the second gas pipe 17, because the pressure of the double check valve in the third gas pipe 18 is greater than the elastic force of the butt joint air cushion 7, at this time, the gas is preferentially transported to the inside of the butt joint air cushion 7, so that the butt joint air cushion 7 expands, when the left and right groups of butt joint air cushions 7 are inflated, the butt joint position of the first laminated slab 1 and the second laminated slab 2 can be fully filled, and the position is closed to avoid damage due to human trampling in the later period, through the above setting, the phenomenon of water seepage at the connection can be avoided.

[0035] Example two: in order to solve the problem that the top surface needs to have a certain slope during butt joint, please refer to the attached Figure 1 , attached Figure 5 , attached Figure 8 and attached Figure 9, the interior of the first laminated board 1 and the second laminated board 2 can adopt fiber reinforced composite material. The interior center positions of the first laminated board 1 and the second laminated board 2 are provided with lifting mechanisms, which realize slight lifting of the top center of the first laminated board 1 and the second laminated board 2, so as to avoid accumulation of water on the top positions of the first laminated board 1 and the second laminated board 2; the lifting mechanism comprises a third gas conveying pipe 18 connected to the inner middle positions of the butt joint grooves 6, the other end positions of the third gas conveying pipe 18 are bifurcatedly connected to the middle positions of a plurality of groups of lifting pieces 19, the upper and lower end positions of the lifting pieces 19 are fixed in the sliding accommodating grooves 20 provided in the inner walls of the first laminated board 1; the lifting piece 19 comprises a vertical pipe 1901 and a longitudinal rod 1902, the inner side of the vertical pipe 1901 is slidingly provided with the longitudinal rod 1902, and the bottom position of the longitudinal rod 1902 is further fixed with a matching pad 1903, the bottom of the matching pad 1903 is connected between the inner wall of the vertical pipe 1901 and the matching spring 1904; the third gas conveying pipe 18 is internally provided with a bidirectional check valve, and the elastic pressure of the bidirectional check valve is greater than the elastic force of the butt joint air cushion 7.

[0036] When the gas is conveyed into the interior of the butt joint air cushion 7, the pressure is continuously increased, so that the check valve is in an open state, at this time, the gas is conveyed through the third gas conveying pipe 18, so that the gas is conveyed into the interior of the lifting piece 19, when the gas is filled into the interior of the vertical pipe 1901 and the longitudinal rod 1902, the longitudinal rod 1902 will move through the matching pad 1903, so that the matching pad 1903 will drive the matching spring 1904 to deform, and then the top of the longitudinal rod 1902 can be abutted against the inner top surface of the first laminated board 1, at this time, the top center of the first laminated board 1 can be slightly raised, so that a certain camber (the range of the camber is about 2°, which can ensure that the water flow avoids accumulation on the top surface, and can be discharged through the roof drain) of the top of the first laminated board 1 can be realized, so as to prevent the top of the first laminated board 1 from having a certain water accumulation phenomenon, in addition, through the arrangement of the krypton gas, firstly, through its own characteristics, the problem of the lifting camber being increased due to thermal expansion and contraction phenomenon is avoided, in addition, the krypton gas has good heat preservation performance, so as to avoid heat transfer.

[0037] Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or equivalently replace part of the technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A quick assembly and locking structure of laminated slabs, comprising a first laminated slab (1) and a second laminated slab (2) which are assembled to each other, and hooks (3) for handling are fixed to the top corners of the first laminated slab (1) and the second laminated slab (2); characterized in that, The right side of the first laminated plate (1) is internally slidably provided with a positioning plate (4), the left and right sides of the first laminated plate (1) and the second laminated plate (2) are both externally provided with a docking air cushion (7), the center of the face of the docking air cushion (7) is excavated with a set of matching holes (5) for the movement of the positioning plate (4), and the end of the first laminated plate (1) away from the positioning plate (4) is also provided with a docking groove (6); The top of the first laminated plate (1) is also provided with a positioning mechanism near the top of the docking groove (6), and the positioning mechanism is arranged to realize seamless connection between the first laminated plate (1) and the second laminated plate (2). The center of the inside of the first laminated plate (1) and the second laminated plate (2) is provided with a lifting mechanism, which realizes the slight lifting of the center of the face of the first laminated plate (1) and the second laminated plate (2), so as to avoid the accumulation of water on the top of the first laminated plate (1) and the second laminated plate (2). The sealing mechanism further comprises a second piston strip (15) attached to one end of the docking groove (6) into which the positioning plate (4) extends, the other end of the second piston strip (15) is connected between the inner wall of the docking groove (6) through a plurality of groups of connecting springs (16), and one end of the inner side of the docking groove (6) is also communicated with a second gas conveying pipe (17), the other end of the second gas conveying pipe (17) is connected with the left docking air cushion (7); The outer wall of the second piston strip (15) is attached to the inner wall of the docking groove (6), and the left and right docking air cushions (7) are both made of elastic rubber material; The positioning mechanism comprises a rotating threaded bolt (8) rotatably arranged on the top of the first laminated plate (1), and the bottom outer side of the rotating threaded bolt (8) is threadedly connected in the inside of an embedded wedge (9), the outside of the embedded wedge (9) is slidably arranged in the inside of the first laminated plate (1), the bottom of the embedded wedge (9) extends into the inside of the docking groove (6), the bottom of the embedded wedge (9) is on the same vertical line with the embedded hole (10), the embedded wedge (9) is extruded on the embedded hole (10), so that the positioning plate (4) moves into the inside of the docking groove (6), thereby realizing the close splicing between the first laminated plate (1) and the second laminated plate (2).

2. The quick assembly and locking structure of a laminated slab according to claim 1, wherein The embedded wedge (9) is square in shape, and the bottom surface of the embedded wedge (9) is inclined in shape, and the movement of the embedded wedge (9) realizes the operation of the sealing mechanism in the first laminated plate (1) and the second laminated plate (2). The embedded wedge (9) is square in shape, and the bottom surface of the embedded wedge (9) is inclined in shape, and the movement of the embedded wedge (9) realizes the operation of the sealing mechanism in the first laminated plate (1) and the second laminated plate (2).

3. The quick assembly and locking structure of a laminated board according to claim 2, wherein The sealing mechanism comprises a first piston strip (11) embedded in the wedge block (9) and extending into one end of the first laminated board (1), the outer side of the first piston strip (11) is attached to the sealing groove (12) in the first laminated board (1), one side of the first piston strip (11) is connected to the inner wall of the sealing groove (12) through a guide (13), and the end of the sealing groove (12) away from the first piston strip (11) is also connected with a first gas pipe (14), and the outer end of the first gas pipe (14) is connected with the right abutting air cushion (7).

4. The quick assembly and locking structure of a laminated board according to claim 3, wherein The guide (13) is in the shape of a frame, the inner wall of the guide (13) is attached to the outer wall of the first piston strip (11), the first piston strip (11) and the inner wall of the sealing groove (12) form a sliding structure through the guide (13), and the sealing groove (12) and the abutting groove (6) are filled with krypton.

5. The quick assembly and locking structure of a laminated board according to claim 1, wherein The lifting mechanism comprises a third gas pipe (18) connected to the inner side of the abutting groove (6), the other end of the third gas pipe (18) is bifurcated and connected to the middle of a plurality of lifting pieces (19), and the upper and lower ends of the lifting piece (19) are fixed in the sliding accommodating groove (20) in the inner wall of the first laminated board (1).

6. The quick assembly locking structure of a laminated board according to claim 5, wherein The lifting piece (19) comprises a vertical pipe (1901) and a longitudinal rod (1902), the inner side of the vertical pipe (1901) is slidably provided with the longitudinal rod (1902), the bottom of the longitudinal rod (1902) is further fixed with a matching pad (1903), and the bottom of the matching pad (1903) is connected to the inner wall of the vertical pipe (1901) through a matching spring (1904).

7. The quick assembly locking structure of a laminated board according to claim 5, wherein The third gas pipe (18) is internally provided with a bidirectional check valve, and the spring pressure of the bidirectional check valve is greater than the elastic force of the abutting air cushion (7).

Images