Connecting structure of assembly type laminated slabs

Abstract

The utility model relates to the technical field of building structures, and discloses an assembly type laminated slab connecting structure which comprises a laminated slab, a clamping groove is formed in the left side of the top of the laminated slab, a fixing plate is fixedly connected to the right side of the top of the laminated slab, and a clamping block is fixedly connected to the bottom of the fixing plate. And the clamping blocks are slidably connected with the clamping grooves, a plurality of sliding grooves are formed in the front side and the rear side of the bottom of the inner wall of each clamping groove, the inner walls of the sliding grooves are fixedly connected with sleeves, and the inner walls of the sleeves are slidably connected with sliding rods. According to the utility model, the clamping block is clamped into the clamping groove to drive a series of structures to act, so that the fastening rod is clamped into the clamping groove in the supporting plate, the nut is rotated to enable the fastening rod to drive the limiting piece to extrude the supporting plate, and the joint of the laminated plate is supported from the bottom; therefore, the problem that in the prior art, frame beams need to be arranged at the bottoms of the laminated slabs in advance and reinforced through supporting frames is solved, the operation process is simplified, and difficulty is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to building structure technical field especially relates to a connecting structure of assembly type laminated slab. BACKGROUND

[0002] Assembly type laminated slab is a kind of prefabricated concrete component widely used in building engineering, it is composed of prefabricated bottom plate and post-cast concrete layer, prefabricated bottom plate is pre-made in factory, is transported to construction site, and is combined with post-cast concrete layer to form complete floor structure, in order to ensure that assembly type laminated slab forms a whole in building structure, jointly bears load and transfers internal force, it must rely on reliable connecting structure to firmly connect each laminated slab together.

[0003] Through the retrieval, China patent publication No. CN209975737U discloses a kind of dry connection structure of assembly type frame beam and laminated slab, including frame beam, laminated slab, support frame, laminated slab is arranged transverse stress reinforcement and longitudinal stress reinforcement and pre-embedded prefabricated steel component, prefabricated steel component both sides rib is reserved connecting hole, top reserved bolt hole, longitudinal stress reinforcement passes through connecting hole and is fixed together with prefabricated steel component;Two edges of support frame are reserved bolt hole, two support frames are fixed in the both sides of frame beam by bolt connection, laminated slab is connected with support frame by bolt passing through the bolt hole reserved in the top of prefabricated steel component and is connected with frame beam, the utility model is directed to assembly type building, site operation is simple, can effectively solve the lapping of frame beam and laminated slab Construction difficulty and connection stability, under the premise of reasonable structure, make the entire connecting node have necessary bearing capacity and rigidity, and meet the construction safety requirements on site, speed up construction progress, but in actual use process, it needs to set up frame beam in advance in the bottom of two laminated slab, and needs to be reinforced from the bottom using support frame, operation is complex, and the operation difficulty is high. UTILITY MODEL CONTENTS

[0004] In order to make up for the above shortcomings, the utility model provides a kind of connecting structure of assembly type laminated slab, to improve the problems, such as needing to set up frame beam in advance in the bottom of two laminated slab in prior art, and needing to be reinforced from the bottom using support frame, operation is complex, and the operation difficulty is high.

[0005] In order to achieve the above object, the utility model discloses the following technical scheme: a connecting structure of fabricated composite slab, including the composite slab, the left side of the top of composite slab is equipped with the matching slot, the right side of the top of composite slab is fixedly connected with the fixed plate, the bottom of fixed plate is fixedly connected with the matching block, the matching block is connected with the matching slot slidingly, the inner wall bottom of matching slot is equipped with a plurality of sliding grooves, the inner wall of a plurality of sliding grooves is fixedly connected with the sleeve, the inner wall of a plurality of sleeves is slidingly connected with the sliding rod, the outer wall of a plurality of sliding rods is fixedly connected with a plurality of arc strips around, the bottom of composite slab is rotatably connected with a plurality of rotating sleeves, a plurality of rotating sleeves are slidingly connected with corresponding arc strips respectively, the outer wall of a plurality of rotating sleeves is fixedly connected with the support plate, the right side of the top of composite slab is slidingly connected with a plurality of fastening rods, the bottom of a plurality of fastening rods is fixedly connected with the limiting sheet, the top of a plurality of fastening rods is fixedly connected with the nut and is screwed through the composite slab, the outer wall left side of a plurality of support plates is equipped with the card slot, a plurality of card slots are engaged with corresponding fastening rods respectively, the top of composite slab is equipped with the installation groove on the left and right sides, and the inside of two installation grooves is provided with the lifting connection mechanism.

[0006] Through the above technical scheme: the matching block of the right side fixed plate bottom of a composite slab is slidingly connected with the matching slot of the left side of another composite slab, so that the preliminary positioning and connection of adjacent composite slabs are realized, laying a foundation for subsequent connection, the inner wall bottom of the matching slot is provided with the sliding groove, the sleeve and the sliding rod are slidingly matched in the sliding groove, when the matching block presses down the sliding rod, the sliding rod drives the arc strip on the outer wall to move down, the arc strip is slidingly connected with the rotating sleeve at the bottom of the composite slab, so that the rotating sleeve rotates counterclockwise by 90 degrees, and then drives the support plate fixed to the outer wall to rotate, the fastening rod is slidingly connected with the right side of the top of the composite slab, the limiting sheet is arranged at the bottom of the fastening rod, the nut is screwed at the top of the fastening rod, after the support plate rotates in place, the card slot of the support plate is engaged with the fastening rod, the nut is rotated, the fastening rod moves upward, the limiting sheet extrudes the support plate, so that the top of the support plate is attached to the bottom of the composite slab, the composite slab connection is stably supported from below, effectively preventing the bending deformation of the connection, and enhancing the stability and reliability of the composite slab connection.

[0007] As a further description of the above technical scheme:

[0008] The lifting connection mechanism includes two support blocks, the bottom of the two support blocks is slidingly connected to the inner wall left and right sides of the installation groove, the top of the two support blocks is provided with a lifting plate, the two support blocks are slidingly connected with the lifting plate, the bottom of the lifting plate is fixedly connected with the mounting plate on the left and right sides, a bidirectional threaded rod is rotatably connected between the two adjacent mounting plates of the two mounting plates, the two support blocks are threadedly connected with the bidirectional threaded rod, and the top of the lifting plate is fixedly connected with a lifting ring.

[0009] The support block is in sliding connection with the left and right sides of the inner wall of the mounting groove, which makes the support block conveniently enter and exit the mounting groove, and the top of the support block is in sliding connection with the lifting plate, so that the lifting plate is provided with support during lifting, and the position of the support block in the mounting groove can be flexibly adjusted under the action of the bidirectional threaded rod to meet different working conditions. The lifting plate is the key to connect the support block and the lifting ring, and the lifting force from the lifting ring is transmitted to the support block, and then acts on the superimposed plate. The sliding connection of the support block ensures the relative stability of the lifting plate when the position of the support block is adjusted, and ensures the smoothness of the lifting process. The mounting plate is fixed on the left and right sides of the bottom of the lifting plate to provide rotating support for the bidirectional threaded rod. The bidirectional threaded rod is in threaded connection with the two support blocks, and the bidirectional threaded rod is rotated to drive the two support blocks to move synchronously to the two sides or the middle by using the bidirectional threaded characteristic of the bidirectional threaded rod. When moving to the two sides, the support block is firmly clamped into the mounting groove to prevent the lifting from being pulled out. When moving to the middle, the lifting connecting mechanism is convenient to take out.

[0010] As a further description of the above technical scheme:

[0011] The top left end of the superimposed plate is fixedly connected with a limiting plate, the bottom of the limiting plate is provided with a limiting groove, and the two limiting plates are respectively clamped with the corresponding limiting grooves.

[0012] Through the above technical scheme: the superimposed plate is provided with the limiting groove on the bottom of the limiting plate, which can effectively prevent the adjacent superimposed plates from moving in the front and rear directions, and guarantee the stability of the connected structure.

[0013] As a further description of the above technical scheme:

[0014] The outer wall of the superimposed plate is provided with a plurality of mounting holes on the front and rear sides, and the inner walls of the mounting holes are fixedly connected with threaded sleeves.

[0015] Through the above technical scheme: the threaded sleeve is arranged on the inner wall of the mounting hole of the superimposed plate, which facilitates the connection and fixation of the superimposed plate and other devices outside by means of various connecting pieces.

[0016] As a further description of the above technical scheme:

[0017] The top left end of the superimposed plate is fixedly connected with a limiting plate, the bottom of the limiting plate is provided with a limiting groove, and the two limiting plates are respectively clamped with the corresponding limiting grooves.

[0018] Through the above technical scheme: the superimposed plate is provided with the limiting groove on the bottom of the limiting plate, which can effectively prevent the adjacent superimposed plates from moving in the front and rear directions, and guarantee the stability of the connected structure.

[0019] As a further description of the above technical scheme:

[0020] The bottom of each of the plurality of nuts is fixedly connected with a gasket, and each of the plurality of fastening rods penetrates through the corresponding gasket.

[0021] Through the technical scheme, when the nut is rotated, the gasket increases the contact area between the nut and the top of the laminated slab, disperses the pressure, avoids damage to the surface of the laminated slab caused by tightening the nut, and further enhances the stability of the connecting structure.

[0022] Further to the technical scheme, the laminated slab is provided with a sign plate on the top rear side thereof, and the surface of the sign plate is waterproof treated.

[0023] The surface of the sign plate is waterproof treated, can effectively resist moisture erosion, and the sign plate is used for marking the model of the laminated slab, facilitating quick identification by construction personnel.

[0024] Further to the technical scheme, the laminated slab is provided with a sign plate on the top rear side thereof, and the surface of the sign plate is waterproof treated.

[0025] Further to the technical scheme, the laminated slab is provided with a sign plate on the top rear side thereof, and the surface of the sign plate is waterproof treated.

[0026] The right ends of the plurality of bidirectional threaded rods penetrate through the corresponding mounting plates, and the right ends of the two bidirectional threaded rods are fixedly connected with rotating handles.

[0027] Through the technical scheme, the rotating handle is additionally arranged, the operation convenience of the bidirectional threaded rod is significantly optimized, and an operator can easily realize rotation control of the bidirectional threaded rod by means of the rotating handle.

[0028] The utility model has the advantages of the following beneficial effects:

[0029] 1. In the utility model, a series of structural actions are driven by the clamping block clamped into the clamping groove, the clamping groove on the supporting plate is clamped into the fastening rod, the fastening rod is driven by the rotating nut to extrude the limiting piece against the supporting plate, the laminated slab connecting part is supported from the bottom, thereby improving the problem that a frame beam needs to be arranged in advance at the bottom of the laminated slab and a supporting frame needs to be used for reinforcement in the prior art, simplifying the operation process, reducing the operation difficulty, and improving the construction efficiency.

[0030] 2. In the utility model, when the laminated slab is installed, the supporting block is placed into the mounting groove, the bidirectional threaded rod is rotated to be clamped tightly, the lifting connecting mechanism is stably connected with the laminated slab, and the laminated slab can be safely lifted through the lifting ring. When the laminated slab is disassembled, the bidirectional threaded rod is reversely rotated to make the supporting block exit, the convenient operation of lifting and disassembling the laminated slab is realized, the problems of unstable connection and inconvenient disassembly that may exist in the traditional lifting mode are solved, the lifting efficiency and safety are improved, and the overall construction efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0031] Figure 1 A perspective view of a connecting structure of a fabricated laminated slab is provided in the utility model;

[0032] Figure 2A partial structure split drawing of the connecting structure of the fabricated composite slab is provided in the utility model.

[0033] Figure 3 A fastening rod schematic view of the connecting structure of the fabricated composite slab is provided in the utility model.

[0034] Figure 4 A limiting groove schematic view of the connecting structure of the fabricated composite slab is provided in the utility model.

[0035] Figure 5 A hoisting connecting mechanism schematic view of the connecting structure of the fabricated composite slab is provided in the utility model.

[0036] Figure 6 A composite slab sectional view of the connecting structure of the fabricated composite slab is provided in the utility model.

[0037] Legend:

[0038] 1, composite slab; 2, hoisting connecting mechanism; 201, support block; 202, hoisting plate; 203, mounting plate; 204, two-way threaded rod; 205, lifting ring; 3, clamping groove; 4, fixed plate; 5, clamping block; 6, sliding groove; 7, sleeve; 8, sliding rod; 9, arc-shaped strip; 10, rotating sleeve; 11, support plate; 12, fastening rod; 13, limiting piece; 14, nut; 15, clamping groove; 16, mounting groove; 17, drainage groove; 18, mounting hole; 19, threaded sleeve; 20, limiting plate; 21, limiting groove; 22, gasket; 23, signboard; 24, rotating handle. Specific implementation

[0039] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0040] Reference Figure 1 , Figure 2 and Figure 3The utility model provides a kind of connecting structure of fabricated composite board of an embodiment: a kind of connecting structure of fabricated composite board, including composite board 1, as the main component of entire connecting structure, provide installation foundation for subsequent each connection and hoisting component, the top left side of composite board 1 is equipped with the engagement slot 3, for with the engagement block 5 of another composite board 1 cooperation, realize the initial positioning connection of two composite boards 1, the top right side of composite board 1 is fixedly connected with fixed plate 4, play the role of supporting and fixed engagement block 5, ensure the stability of engagement block 5 in the process of connection, the bottom of fixed plate 4 is fixedly connected with engagement block 5, engagement block 5 can be inserted into engagement slot 3, so that two adjacent composite boards 1 realize initial butt joint, engagement block 5 and engagement slot 3 slidingly connect, it is convenient for engagement block 5 accurately and enter engagement slot 3, and play certain guiding effect in the process of connection, the inner wall bottom of engagement slot 3 is equipped with multiple sliding grooves 6, the inner wall of multiple sliding grooves 6 is fixedly connected with sleeve 7, guide the movement of sliding rod 8, and play certain supporting effect to sliding rod 8, the inner wall of multiple sleeve 7 is slidingly connected with sliding rod 8, sliding rod 8 slides in sleeve 7, the outer wall of multiple sliding rod 8 is fixedly connected with multiple arc strips 9, arc strip 9 and rotating sleeve 10 slidingly connect, drive rotating sleeve 10 to rotate by the movement of itself, the bottom of composite board 1 is rotatably connected with multiple rotating sleeves 10, rotating sleeve 10 can rotate around the connecting point with the bottom of composite board 1, convert the linear motion of arc strip 9 into the rotation of itself, multiple rotating sleeves 10 are slidingly connected with corresponding arc strip 9 respectively, this sliding connection mode makes arc strip 9 effectively drive rotating sleeve 10 to rotate, the outer wall of multiple rotating sleeves 10 is fixedly connected with support plate 11, rotate along with the rotation of rotating sleeve 10, finally play the supporting effect to the junction of composite board 1, the top right side of composite board 1 is slidingly connected with multiple fastening rods 12, slide on the top of composite board 1, cooperate with the clamping groove 15 on support plate 11, further fix the connection of composite board 1, the bottom of multiple fastening rods 12 is fixedly connected with limit sheet 13, prevent fastening rod 12 from being taken out from the top of composite board 1, and exert pressure on support plate 11 in the fastening process, the top of multiple fastening rods 12 is penetrated through composite board 1 and is fixedly connected with nut 14, by rotating nut 14, the position of fastening rod 12 can be adjusted, to realize the fastening of support plate 11, the outer wall left side of multiple support plates 11 is equipped with clamping groove 15, clamping groove 15 is engaged with fastening rod 12, so that support plate 11 and fastening rod 12 form stable connection, enhance the stability of the junction of composite board 1, the top end front and back side of composite board 1 is equipped with installation groove 16, installation groove 16 is used for installing hoisting connecting mechanism 2, provides installation space for hoisting connecting mechanism 2, the inside of two installation grooves 16 is provided with hoisting connecting mechanism 2, hoisting connecting mechanism 2 is used for realizing the hoisting operation of composite board 1, the transportation and installation of composite board 1 are convenient;

[0041] Specifically, the clamping block 5 at the bottom of the right side fixed plate 4 on the top of one laminated slab 1 is in sliding connection with the clamping groove 3 on the left side of the top of another laminated slab 1, which preliminarily positions and connects the adjacent laminated slab 1, lays a foundation for subsequent connection operation, the sleeve 7 in the sliding groove 6 on the inner wall of the bottom of the clamping groove 3 is in sliding cooperation with the sliding rod 8, when the clamping block 5 presses down the sliding rod 8, the sliding rod 8 drives the arc-shaped strip 9 on the outer wall to move downward, the arc-shaped strip 9 is in sliding connection with the rotating sleeve 10 at the bottom of the laminated slab 1, which makes the rotating sleeve 10 rotate counterclockwise by 90 degrees, and further drives the support plate 11 fixed on the outer wall of the rotating sleeve 10 to rotate, the fastening rod 12 on the top right side of the laminated slab 1 has the limiting piece 13 at the bottom and the threaded nut 14 at the top, after the support plate 11 is rotated into place, the clamping groove 15 on the support plate 11 is in clamping cooperation with the fastening rod 12, the threaded nut 14 is rotated, the fastening rod 12 moves upward, the limiting piece 13 presses the support plate 11, and the top of the support plate 11 is attached to the bottom of the laminated slab 1, which stably supports the laminated slab 1 at the connection from below and prevents the laminated slab 1 from being bent and deformed.

[0042] With reference to Figure 1 , Figure 5 and Figure 6 , the lifting connection mechanism 2 includes two support blocks 201, the bottom of the two support blocks 201 is in sliding connection with the inner wall of the left and right sides of the mounting groove 16, which is a direct connection component of the lifting connection mechanism 2 and the laminated slab 1 and bears the basic function of transmitting the lifting force, the top of the two support blocks 201 is provided with a lifting plate 202, the two support blocks 201 are in sliding connection with the lifting plate 202, which facilitates the assembly and disassembly of the lifting connection mechanism 2 and the laminated slab 1, the bottom of the lifting plate 202 is fixedly connected with the mounting plate 203 on the left and right sides, which provides a mounting and rotating support point for the bidirectional threaded rod 204, the bidirectional threaded rod 204 is rotatably connected between the two adjacent mounting plates 203, the two support blocks 201 are in threaded connection with the bidirectional threaded rod 204, by using the bidirectional threaded characteristic, the two support blocks 201 are driven to move synchronously to the two sides or the middle, so as to realize the adjustment of the position of the support block 201 in the mounting groove 16, the top of the lifting plate 202 is fixedly connected with the lifting ring 205, which provides a direct connection position for the lifting equipment, the lifting equipment is connected with the lifting ring 205 through a lifting hook, and the lifting operation of the laminated slab 1 is realized;

[0043] Specifically, the support block 201 is slidably connected to the left and right inner walls of the mounting groove 16, can be conveniently put into or taken out of the mounting groove 16, and is slidably connected to the lifting plate 202 at the top, not only providing support for the lifting plate 202 during lifting, but also adjusting the position in the mounting groove 16 under the action of the bidirectional threaded rod 204 to adapt to different working conditions. The lifting plate 202 is a key component connecting the support block 201 and the lifting ring 205, and the lifting plate 202 transmits the lifting force from the lifting ring 205 to the support block 201, and then acts on the composite board 1. The sliding connection between the lifting plate 202 and the support block 201 enables the lifting plate 202 to remain relatively stable when the position of the support block 201 is adjusted, ensuring a smooth lifting process. The mounting plate 203 is fixed to the left and right sides of the bottom of the lifting plate 202, providing rotational support for the bidirectional threaded rod 204. The bidirectional threaded rod 204 is threadedly connected to the two support blocks 201. When the bidirectional threaded rod 204 is rotated, the two support blocks 201 will move synchronously to the sides or the middle due to the bidirectional threaded feature. When moving to the sides, the support blocks 201 can be securely clamped inside the mounting groove 16 to prevent falling out during lifting. When moving to the middle, it is convenient to take out the lifting connecting mechanism 2 from the mounting groove 16.

[0044] Referring to Figure 1 , Figure 2 and Figure 4 , a plurality of drainage grooves 17 are formed on the left and right sides of the top of the composite board 1 for guiding the accumulated water on the surface of the composite board 1 to drain. The spacing between the plurality of drainage grooves 17 is equal, allowing the accumulated water to be more evenly distributed to each drainage groove 17, improving the drainage efficiency. A plurality of mounting holes 18 are formed on the front and back sides of the outer wall of the composite board 1. The inner walls of the plurality of mounting holes 18 are fixedly connected with threaded sleeves 19. The threaded sleeves 19 facilitate tight connection with other threaded components through connecting members such as bolts, enhancing the stability of the connection. Limiting plates 20 are fixedly connected to the front and back sides of the left end of the top of the composite board 1. Limiting grooves 21 are formed on the front and back sides of the bottom of the fixed plate 4. The two limiting plates 20 are respectively engaged with the corresponding limiting grooves 21. The limiting grooves 21 correspond to the limiting plates 20, and the two are engaged together, further ensuring the positional accuracy and stability in the front-back direction when connecting adjacent composite boards 1.

[0045] Specifically, the drainage grooves 17 equally spaced on the left and right sides of the top of the composite board 1 can quickly drain the accumulated water on the composite board 1, avoiding the erosion of the accumulated water on the board. The threaded sleeves 19 in the mounting holes 18 facilitate the secure connection and fixation of the composite board 1 with other external devices through connecting members. The engagement structure of the limiting plates 20 and the limiting grooves 21 can effectively prevent displacement of two adjacent composite boards 1 in the front-back direction, ensuring the stability of the connected composite boards 1.

[0046] Referring to Figure 1 , Figure 4 and Figure 6The bottoms of the plurality of nuts 14 are fixedly connected with gaskets 22, which increase the contact area between the nuts 14 and the surface of the laminated slab 1, and the plurality of fastening rods 12 all penetrate through the corresponding gaskets 22; the top rear side of the laminated slab 1 is fixedly connected with a signboard 23, which is used for marking the relevant information of the laminated slab 1, the surface of the signboard 23 is waterproof treated to prevent moisture from eroding the signboard 23, and the right ends of the plurality of bidirectional threaded rods 204 all penetrate through the corresponding mounting plates 203, so that the bidirectional threaded rods 204 can stably rotate under the support of the mounting plates 203, realizing the adjustment of the position of the support block 201; the right ends of the two bidirectional threaded rods 204 are fixedly connected with a rotating handle 24, which provides an easy force applying component for the operator;

[0047] Specifically, when the nut 14 is rotated, the gasket 22 increases the contact area between the nut 14 and the top of the laminated slab 1, disperses the pressure of the nut 14 on the surface of the laminated slab 1, prevents damage to the surface of the laminated slab 1 during the tightening of the nut 14, and enhances the stability of the connection; the surface of the signboard 23 is waterproof treated, and the signboard 23 can mark the model of the laminated slab 1; the rotating handle 24 facilitates the operator to rotate the bidirectional threaded rod 204.

[0048] Working principle: first, accurately align the clamping block 5 on the right side of a laminated slab 1 with the clamping groove 3 on the left side of the top of another laminated slab 1, then move downward, so that the clamping block 5 smoothly enters the clamping groove 3; in this process, the downward movement of the clamping block 5 will extrude the sliding rod 8 in the sliding groove 6 on the inner wall bottom of the clamping groove 3, prompting the sliding rod 8 to move downward; since the outer wall of the sliding rod 8 is fixedly connected with a plurality of arc strips 9, and the rotating sleeve 10 is slidingly connected with the arc strips 9, and the rotating sleeve 10 is rotationally connected with the bottom of the laminated slab 1, when the sliding rod 8 drives the arc strips 9 to move downward, the arc strips 9 will interact with the rotating sleeve 10, causing the rotating sleeve 10 to rotate counterclockwise by ninety degrees around the connection point with the bottom of the laminated slab 1; the support plate 11 fixedly connected with the outer wall of the rotating sleeve 10 will also rotate counterclockwise by ninety degrees along with the rotation of the rotating sleeve 10; at this time, the clamping groove 15 on the support plate 11 on the left side of the laminated slab 1 is just clamped into the fastening rod 12 slidingly connected with the right side of the top of the laminated slab 1; then, rotate the nut 14; since the nut 14 is threadedly connected with the fastening rod 12, as the nut 14 rotates, the fastening rod 12 will move upward, and the limiting piece 13 fixedly connected with the bottom of the fastening rod 12 will also move upward and extrude the support plate 11, finally causing the top of the support plate 11 to tightly adhere to the bottom of the laminated slab 1; in this way, strong support is provided to the connection between the two laminated slabs 1 from the bottom, effectively preventing the connection between the two laminated slabs 1 from being bent and deformed due to bearing load;

[0049] And when the need to hoist the operation of the laminated slab 1, first, the two supporting blocks 201 of the lifting plate 202 bottom are respectively aligned with the left and right sides of the inner wall of the installation slot 16, and slowly put into it, this step is the foundation for the subsequent connection and lifting, ensure that the lifting connection mechanism 2 and the laminated slab 1 preliminary docking, then, rotate the two-way threaded rod 204, because the two-way threaded rod 204 and the two supporting blocks 201 are threaded connection, and the two mounting plates 203 are fixed on the left and right sides of the bottom of the lifting plate 202, when the two-way threaded rod 204 rotates, it will make the two supporting blocks 201 move to both sides along the thread direction of the two-way threaded rod 204, with the supporting block 201 moving to both sides, they gradually insert into the inside of the installation slot 16, at this time, the supporting block 201 and the inner wall of the installation slot 16 are closely matched, forming a stable connection structure, effectively preventing the supporting block 201 from coming out of the installation slot 16, ensuring the safety and stability of the lifting process, after the fixing of the supporting block 201, the hook of the lifting device is accurately hung on the lifting ring 205 fixedly connected on the top of the lifting plate 202, at this time, the lifting device can stably lift the laminated slab 1 through the connection of the lifting ring 205, the lifting plate 202 and the supporting block 201, and hoist it to the designated installation position, when the laminated slab 1 is installed in place, in order to facilitate the lifting and carrying work of the next laminated slab 1 of the lifting connection mechanism 2, it needs to be disassembled from the laminated slab 1 which has been installed, at this time, the two-way threaded rod 204 is reversed again, contrary to the previous, the reverse rotation of the two-way threaded rod 204 will make the two supporting blocks 201 approach each other along the thread direction, gradually exit from the inside of the installation slot 16, in this way, the lifting connection mechanism 2 can be easily separated from the laminated slab 1, so as to quickly perform the lifting operation of other laminated slab 1.

[0050] Finally, it should be pointed out that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing embodiments of the present application are described in detail, for those skilled in the art, it still can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included in the protection scope of the present application.

Claims

1. A connecting structure of fabricated composite slab, comprising a composite slab (1), characterized in that: The top left side of the laminated slab (1) is provided with a clamping groove (3), and the top right side of the laminated slab (1) is fixedly connected with a fixed plate (4), and the bottom of the fixed plate (4) is fixedly connected with a clamping block (5), and the clamping block (5) is slidably connected with the clamping groove (3), and the inner wall bottom of the clamping groove (3) is provided with a plurality of sliding grooves (6) on the front and back sides, and the inner wall of the plurality of sliding grooves (6) is fixedly connected with a sleeve (7), and the inner wall of the plurality of sleeves (7) is slidably connected with a sliding rod (8), and the outer wall of the plurality of sliding rods (8) is fixedly connected with a plurality of arc-shaped strips (9) around, and the bottom of the laminated slab (1) is rotatably connected with a plurality of rotating sleeves (10), and the plurality of rotating sleeves (10) are respectively slidably connected with the corresponding arc-shaped strips (9), and the outer wall of the plurality of rotating sleeves (10) is fixedly connected with a support plate (11), and the top right side of the laminated slab (1) is slidably connected with a plurality of fastening rods (12), and the bottom of the plurality of fastening rods (12) is fixedly connected with a limiting piece (13), and the top of the plurality of fastening rods (12) penetrates the laminated slab (1) and is threadedly connected with a nut (14), and the outer wall left side of the plurality of support plates (11) is provided with a clamping groove (15), and the plurality of clamping grooves (15) are respectively clamped with the corresponding fastening rods (12), and the top front and back sides of the laminated slab (1) are provided with mounting grooves (16), and the inside of the two mounting grooves (16) is provided with a lifting connecting mechanism (2).

2. The connecting structure of the fabricated composite slab according to claim 1, characterized in that: The lifting connecting mechanism (2) comprises two supporting blocks (201), and the bottom of the two supporting blocks (201) is slidably connected with the inner wall left and right sides of the mounting groove (16), and the top of the two supporting blocks (201) is provided with a lifting plate (202), and the two supporting blocks (201) are slidably connected with the lifting plate (202), and the bottom left and right sides of the lifting plate (202) are fixedly connected with a mounting plate (203), and the two mounting plates (203) are rotatably connected with a two-way threaded rod (204) between the adjacent two mounting plates (203), and the two supporting blocks (201) are threadedly connected with the two-way threaded rod (204), and the top of the lifting plate (202) is fixedly connected with a lifting ring (205).

3. The connecting structure of the fabricated composite slab according to claim 1, characterized in that: The top left and right sides of the laminated slab (1) are provided with a plurality of drainage grooves (17), and the spacing between the plurality of drainage grooves (17) is equal.

4. The connecting structure of the fabricated composite slab according to claim 1, characterized in that: The front and back sides of the outer wall of the laminated slab (1) are provided with a plurality of mounting holes (18), and the inner wall of the plurality of mounting holes (18) is fixedly connected with a threaded sleeve (19).

5. The connecting structure of the fabricated composite slab according to claim 1, characterized in that: The top left end of the laminated slab (1) is fixedly connected with a limiting plate (20), and the bottom of the fixed plate (4) is provided with a limiting groove (21) on the front and back sides, and the two limiting plates (20) are respectively clamped with the corresponding limiting grooves (21).

6. The connecting structure of the assembled laminated slab according to claim 1, characterized in that: The bottom of the plurality of nuts (14) is fixedly connected with a gasket (22), and the plurality of fastening rods (12) penetrates the corresponding gasket (22).

7. The connecting structure of the fabricated composite slab according to claim 1, characterized in that: The top rear side of the laminated slab (1) is fixedly connected with a signboard (23), and the surface of the signboard (23) is waterproof treated.

8. The connecting structure of the fabricated composite slab according to claim 2, characterized in that: Right ends of multiple bidirectional threaded rods (204) all penetrate through corresponding mounting plates (203), and right ends of two bidirectional threaded rods (204) are all fixedly connected with rotating handles (24).

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