Adjustable support device for prefabricated floor with cleaning opening

By designing an adjustable support device for floor slabs with a cleaning port, the problems of unfixed spacing and slurry leakage of vertical poles are solved, and convenient connection of vertical poles and improvement of concrete forming quality is achieved.

CN119777580APending Publication Date: 2025-04-08ZHEJIANG YIJIAN CONSTR GROUP
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Patent Information

Application Number
CN202411769895.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-04
Publication Date
2025-04-08

AI Technical Summary

Technical Problem

During the splicing of prefabricated floor slabs, the distance between the poles under the cleaning port and the poles in the buckle-type support frame is not fixed, making it difficult to connect, and slurry leakage occurs inside the cleaning port.

Method used

An adjustable support device for floor slabs with a cleaning port is designed, including a buckle bracket, an adjustable connecting rod and a fixing mechanism. The adjustment of the vertical pole spacing is achieved through the cooperation of the sliding connecting rod and the limiting rod; the fixing mechanism includes a steel bar hook and a compression rod to avoid slurry leakage and increase the stability of the prefabricated floor slabs.

Benefits of technology

It realizes convenient connection between vertical poles, avoids slurry leakage, and improves the concrete forming quality and construction efficiency.

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Abstract

The present invention provides an adjustable support device for a prefabricated component floor with a cleaning port, comprising a buckle-type bracket for supporting and fixing a support formwork, the buckle-type bracket being connected to a support mechanism for supporting a splicing formwork; the support mechanism comprising a second vertical pole, the second vertical pole being connected to the buckle-type bracket through a connecting rod; a fixing mechanism for preventing leakage of slurry inside the cleaning port and increasing the stability between prefabricated floor slabs is installed at the bottom end of the splicing formwork, the fixing mechanism comprising a steel bar hook and a compression rod, the steel bar hook hooks the splicing steel bars between the prefabricated floor slabs; a slot is provided at the bottom end of the compression rod, a steel cable is wound inside the slot; a compression mechanism for providing support to the support plate and driving the steel cable to move is installed at the top end of the second vertical pole. The adjustable support device for a prefabricated component floor with a cleaning port provided by the present invention has the advantages of facilitating connection between vertical poles and preventing leakage of slurry inside the cleaning port.
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Description

Technical Field

[0001] The invention relates to the technical field of prefabricated floor slab construction, and in particular to an adjustable supporting device for a prefabricated component floor slab with a cleaning opening. Background Art

[0002] During the splicing of precast floor slabs, the steel bars between the precast floor slabs need to be overlapped, and then concrete is poured on the surface of the precast floor slabs to form a whole. During the installation of the precast floor slabs and the overlapping of the steel bars, it is easy for concrete blocks, sand and other garbage to fall into the post-cast strip between the two precast floor slabs, and because the steel bars between the precast floor slabs block the garbage, it is difficult to remove it. Therefore, a cleaning port is opened on the surface of the formwork just below the post-cast strip to clean the garbage inside the post-cast strip and improve the molding quality of the concrete.

[0003] After the garbage is cleaned up, the cleaning opening needs to be sealed with a template; the template under the prefabricated component floor needs to be temporarily supported by a disc-type support frame. In order to ensure the molding quality and safety of the post-pouring strip, an independent supporting pole is set up under the post-cleaning opening; according to the support frame erection specifications, the poles need to be connected, but because the position of the cleaning opening is set according to the position of the post-pouring strip, the spacing between the poles under the cleaning opening and the poles in the disc-type support frame is random and not fixed, while the length of the horizontal pull rod in the disc-type support frame is fixed, resulting in difficulty in connecting the poles under the cleaning opening and the poles in the disc-type support frame, which is inconvenient for workers to construct; and there is a gap between the sealing template in the cleaning opening and other templates, which is prone to leakage.

[0004] Therefore, it is necessary to provide a new prefabricated component floor adjustable support device with a cleaning port to solve the above problems. Summary of the invention

[0005] The technical problem solved by the invention is to provide an adjustable supporting device for a prefabricated component floor slab with a cleaning opening, which is convenient for connecting between vertical poles and prevents leakage of slurry inside the cleaning opening.

[0006] In order to solve the above technical problems, the adjustable support device of the prefabricated component floor with a cleaning port provided by the present invention comprises: a disc-shaped bracket for supporting and fixing the support formwork, the disc-shaped bracket is connected to a support mechanism for supporting the splicing formwork; the support mechanism comprises a second vertical rod, the second vertical rod is connected to the disc-shaped bracket through a connecting rod, the interior of the connecting rod is slidably connected to a sliding rod, a surface of the sliding rod is provided with a plurality of mounting holes, a limiting rod is threadedly connected to the connecting rod and passes through the mounting holes; a fixing mechanism for preventing slurry leakage inside the cleaning port and increasing the stability between the prefabricated floor slabs is installed at the bottom end of the splicing formwork, the The fixing mechanism includes a steel bar hook and a compression rod, the steel bar hook hooks the spliced ​​steel bars between the prefabricated floor slabs, and the bottom end of the steel bar hook is fixedly connected to the connecting tube, the compression rod is threadedly connected to the connecting tube and the screw sleeve, and the connecting tube contacts the top surface of the splicing template; the screw sleeve contacts the bottom surface of the support plate; the inside of the support plate is engaged with a U-shaped rubber pad, and the support plate and the rubber pad contact the bottom surface of the splicing template; the bottom end of the compression rod is provided with a slot, and a steel cable is wound inside the slot; the top end of the second vertical pole is installed with a compression mechanism for providing support to the support plate and driving the steel cable to move.

[0007] Preferably, the prefabricated floor slabs are laid on the surface of the supporting formwork, and adjacent prefabricated floor slabs are connected by the spliced ​​steel bars; the surface of the supporting formwork is provided with the cleaning opening, and the cleaning opening is located between two prefabricated floor slabs.

[0008] Preferably, the interior of the cleaning port engages with the splicing template, the surface cross-sectional area of ​​the cleaning port is equal to the surface cross-sectional area of ​​the splicing template, and the surface cross-sectional area of ​​the splicing template is smaller than the surface cross-sectional area of ​​the support plate, and the edge of the splicing template is located inside the rubber pad.

[0009] Preferably, the surfaces of the splicing template and the support plate are provided with interconnected connecting holes, and the compression rod passes through the connecting hole and enters the interior of the connecting tube; the diameter of the connecting hole is smaller than the diameter of the connecting tube and the screw sleeve.

[0010] Preferably, the surface of the connecting tube is fixedly connected to a fixing sleeve, a funnel-shaped rubber sleeve is engaged inside the fixing sleeve, and the rubber sleeve contacts the surface of the splicing template.

[0011] Preferably, the disc-buckle bracket includes a first vertical pole and a horizontal pole, and the surfaces of the first vertical pole and the second vertical pole are fixedly connected to multiple connecting plates, and buckle joints are installed at both ends of the horizontal pole, both ends of the oblique pole, and one end of the connecting rod. The surface of the connecting plate is provided with a plurality of grooves for docking with the buckle joints, and trapezoidal pins on the side walls pass through the grooves to fix the connecting plate and the buckle joint together.

[0012] Preferably, the compression mechanism includes a mounting rod, the top end of the second vertical rod is fixedly connected to the mounting rod, the top end of the mounting rod is fixedly connected to a box body, the interior of the box body is rotatably connected to a first gear and a second gear that are meshed with each other, the diameter of the first gear is larger than the diameter of the second gear, and the first gear and the second gear are perpendicular to each other; the interior of the first gear is threadedly connected to a screw rod, the top end of the screw rod is fixedly connected to a connecting plate, and the connecting plate and the compression rod are staggered; the side walls of the connecting plate are symmetrically fixedly connected to a compression plate, and the compression plate contacts the bottom surface of the support plate.

[0013] Preferably, the interior of the installation rod having a hexagonal column shape is slidably connected to the screw rod and the hexagonal block, and the bottom end of the screw rod is fixedly connected to the hexagonal block.

[0014] Preferably, the bottom end of the hexagonal block is fixedly connected to the steel cable, and one end of the steel cable extends out from the bottom end side wall of the mounting rod.

[0015] Compared with the related art, the prefabricated component floor adjustable support device with a cleaning port provided by the present invention has the following beneficial effects: The present invention provides an adjustable support device for a prefabricated component floor slab with a cleaning port. When the garbage inside the post-casting strip is cleaned, the screw sleeve is rotated to the bottom end of the compression rod, and then the compression rod is rotated through the connection hole into the interior of the connection tube. The support plate and the splicing template are located between the screw sleeve and the connection tube. The splicing template is aligned with the cleaning port, and the steel bar hook is hooked onto the splicing steel bar through the cleaning port. The screw sleeve is rotated upward, and the screw sleeve moves upward along the side wall of the compression rod, pushing the support plate and the splicing template to move upward. The splicing template enters the interior of the cleaning port, and the support plate is pressed against the splicing template. The screw sleeve touches the surface of the template, and continues to rotate the screw sleeve upward, so that the screw sleeve pulls the compression rod, the connecting tube and the steel bar hook downward, so that the screw sleeve quickly and preliminarily fixes the support plate and the splicing template on the surface of the template to prevent the splicing template from falling; the second vertical rod is installed under the support plate, and when the second vertical rod is connected to the disc-type bracket, the connecting rod is slid to make the connecting rod move on the side wall of the sliding rod, and the spacing between the two connecting rods is changed, so that the two connecting rods are connected to the second vertical rod and the disc-type bracket respectively, thereby connecting the second vertical rod to the disc-type bracket. together; when the second vertical pole is installed, rotate the compression mechanism, and when the distance between the compression mechanism and the compression plate is 20 to 40 mm, pass one end of the steel cable through the card slot and wrap it around the side wall of the compression rod, continue to rotate the compression mechanism, the compression mechanism moves upward and gradually squeezes the support plate, so that the support plate and the rubber sheet move upward to squeeze the template and the splicing template, at this time, the compression mechanism drives the steel cable and the compression rod to move downward, the compression rod pulls the connecting tube and the steel bar hook downward, the connecting tube moves downward to squeeze the splicing template, so that the splicing template moves downward, at this time, the support The plate moves upward, and the splicing formwork and the supporting plate squeeze the rubber pad against each other, thereby increasing the sealing between the splicing formwork and the supporting plate and the stability of the splicing formwork inside the cleaning port, avoiding leakage of slurry inside the cleaning port, and improving the pouring effect of concrete; and the connecting tube pulls the steel bar hook and the splicing steel bar downward, so that the precast floor slab is tightly attached to the surface of the formwork, and the precast floor slab is connected with the second vertical pole and the disc-type bracket through the fixing mechanism and the supporting mechanism, thereby increasing the stability of the precast floor slab, avoiding displacement of the precast floor slab during the concrete pouring process, and further improving the pouring quality of concrete. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A structural schematic diagram of a preferred embodiment of the prefabricated component floor slab adjustable support device with a cleaning port provided by the present invention; Figure 2 for Figure 1 An enlarged schematic diagram of the structure at A shown; Figure 3 for Figure 2 The schematic diagram of the internal structure of the mounting rod shown; Figure 4 for Figure 2 An enlarged schematic diagram of the structure at B shown; Figure 5 for Figure 4 The schematic diagram of the structure of the splicing template, support plate and compression rod shown; Figure 6 for Figure 2 A top view of the mounting rod structure shown; Figure 7 for Figure 1 The schematic diagram of the structure of the first upright pole and the second upright pole shown; Figure 8 for Figure 7 A top view of the disc-type bracket and supporting mechanism structure is shown.

[0017] Numbers in the figure: 1. Prefabricated floor, 11. Spliced ​​steel bars, 2. Support formwork, 21. Spliced ​​formwork, 22. Cleaning port, 3. Disc-type bracket, 31. First vertical pole, 32. Horizontal pole, 33. Diagonal pole, 34. Connecting plate, 35. Pin, 36. Buckle joint, 4. Support mechanism, 41. Second vertical pole, 42. Connecting rod, 43. Sliding rod, 44. Limiting rod, 45. Mounting hole, 5. Fixing mechanism, 51. Rebar hook, 52, steel cable, 53, connecting tube, 54, fixing sleeve, 55, rubber sleeve, 56, connecting hole, 57, screw sleeve, 58, compression rod, 59, slot, 510, support plate, 511, rubber pad, 6, compression mechanism, 61, mounting rod, 62, box body, 63, crank, 64, screw, 65, compression plate, 66, first gear, 67, second gear, 68, hexagonal block, 69, connecting plate. DETAILED DESCRIPTION

[0018] The present invention will be further described below in conjunction with the accompanying drawings and implementation modes.

[0019] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 and Figure 8 , Figure 1 A structural schematic diagram of a preferred embodiment of the prefabricated component floor slab adjustable support device with a cleaning port provided by the present invention; Figure 2 for Figure 1 An enlarged schematic diagram of the structure at A shown; Figure 3for Figure 2 The schematic diagram of the internal structure of the mounting rod shown; Figure 4 for Figure 2 An enlarged schematic diagram of the structure at B shown; Figure 5 for Figure 4 The schematic diagram of the structure of the splicing template, support plate and compression rod shown; Figure 6 for Figure 2 A top view of the mounting rod structure shown; Figure 7 for Figure 1 The schematic diagram of the structure of the first upright pole and the second upright pole shown; Figure 8 for Figure 7 The disc-type bracket and supporting mechanism structure are shown in the top view. The prefabricated component floor slab adjustable supporting device with a cleaning port includes: a disc-type bracket 3 for supporting and fixing the supporting formwork 2, the disc-type bracket 3 includes a first vertical rod 31 and a horizontal rod 32, the surfaces of the first vertical rod 31 and the second vertical rod 41 are fixedly connected with a plurality of connecting plates 34, both ends of the horizontal rod 32, both ends of the oblique rod 33, and one end of the connecting rod 42 are installed with buckle joints 36, the surface of the connecting plate 34 is provided with a plurality of grooves for docking with the buckle joints 36, and the side wall has a trapezoidal pin 35 that penetrates the groove to connect the connecting plate 34. 4 is fixed together with the buckle joint 36; in the process of assembling the disc-type bracket 3, when the horizontal rod 32 is installed between the first vertical rods 31, the horizontal rod 32 is moved, and the buckle joint 36 at one end of the horizontal rod 32 is docked with the connecting plate 34 on the side wall of the first vertical rod 31, so that the grooves on the surfaces of the two are aligned, and the trapezoidal pin 35 is driven into the groove to fix the horizontal rod 32 on the side wall of the first vertical rod 31. Similarly, the oblique rod 33 is installed on the side wall of the first vertical rod 31, thereby gradually completing the assembly of the disc-type bracket 3.

[0020] The disc-type bracket 3 is connected to a support mechanism 4 for supporting the splicing template 21; the support mechanism 4 includes a second vertical rod 41, the second vertical rod 41 is connected to the disc-type bracket 3 through a connecting rod 42, the interior of the connecting rod 42 is slidably connected to a slide rod 43, a surface of the slide rod 43 is provided with a plurality of mounting holes 45, a limit rod 44 is threadedly connected to the connecting rod 42 and penetrates the mounting holes 45; in the process of installing the second vertical rod 41, the connecting rod 42 is installed between the first vertical rod 31 and the second vertical rod 41, and the connecting rod 42 is connected to the connecting rod 43. The sliding rod 43 is slid inside the connecting rod 42 to change the distance between the two connecting rods 42 so that the buckle joint 36 at one end of the connecting rod 42 is aligned with the connecting plate 34 on the side walls of the first vertical rod 31 and the second vertical rod 41 respectively, and the connecting rod 42 is fixed to one side of the connecting plate 34 using the latch 35. The limiting rod 44 is rotated so that the limiting rod 44 squeezes the sliding rod 43 or passes through the mounting hole 45 to fix the connecting rod 42, thereby completing the connection between the first vertical rod 31 and the second vertical rod 41.

[0021] The bottom end of the splicing formwork 21 is installed with a fixing mechanism 5 for preventing leakage of slurry inside the cleaning port 22 and increasing the stability between the precast floor slabs 1. The fixing mechanism 5 includes a steel bar hook 51 and a compression rod 58. The steel bar hook 51 hooks the splicing steel bars 11 between the precast floor slabs 1, and the bottom end of the steel bar hook 51 is fixedly connected to a connecting tube 53. The compression rod 58 is threadedly connected to the connecting tube 53 and the screw sleeve 57, and the connecting tube 53 contacts the top surface of the splicing formwork 21; the screw sleeve 57 contacts the bottom surface of the support plate 510; the inner part of the support plate 510 is engaged with a back-shaped rubber pad 511, and the support plate 510 and the rubber pad 511 contact the bottom surface of the splicing formwork 21; the bottom end of the compression rod 58 is provided with a slot 59, and the inside of the slot 59 is wound with a steel cable 52; when the garbage inside the post-casting strip is cleaned up, the screw sleeve 57 is rotated to the bottom end of the compression rod 58, and then the compression rod 58 ... The compression rod 58 passes through the connection hole 56 and rotates into the interior of the connection tube 53. The support plate 510 and the splicing template 21 are located between the screw sleeve 57 and the connection tube 53. The splicing template 21 is aligned with the cleaning port 22, and the steel bar hook 51 is hooked onto the splicing steel bar 11 through the cleaning port 22. The screw sleeve 57 is rotated upward, and the screw sleeve 57 moves upward along the side wall of the compression rod 58, pushing the support plate 510 and the splicing template 54 to move upward. The splicing template 21 enters the interior of the cleaning port 22, and the support plate 510 contacts the surface of the template 2. The screw sleeve 57 is continuously rotated upward, so that the screw sleeve 57 pulls the compression rod 58, the connection tube 53 and the steel bar hook 51 downward, so that the screw sleeve 57 quickly and preliminarily fixes the support plate 510 and the splicing template 21 on the surface of the template 2 to prevent the splicing template 21 from falling off. The top of the second vertical rod 41 is installed with a compression mechanism 6 for providing support to the support plate 510 and driving the movement of the steel cable 52. The compression mechanism 6 includes a mounting rod 61, the top of the second vertical rod 41 is fixedly connected to the mounting rod 61, the top of the mounting rod 61 is fixedly connected to a box body 62, the inside of the box body 62 is rotatably connected to a first gear 66 and a second gear 67 that are meshed with each other, and the first gear 66 and the second gear 67 are perpendicular to each other; the inside of the first gear 66 is threadedly connected to the screw rod 64, the top of the screw rod 64 is fixedly connected to a connecting plate 69, and the connecting plate 69 is staggered with the compression rod 58; the side wall of the connecting plate 69 is symmetrically fixed A compression plate 65 is connected, and the compression plate 65 contacts the bottom surface of the support plate 510; in order to facilitate the rotation of the crank 63, the crank 63 drives the second gear 67 and the first gear 66 to rotate, and by utilizing the principle of spiral transmission, the first gear 66 drives the screw rod 64 and the compression plate 65 to move upward, so that the compression plate 65 can squeeze the support plate 510 upward, and the diameter of the first gear 66 is larger than the diameter of the second gear 67, so that it is more labor-saving when the second gear 67 drives the first gear 66 to rotate.

[0022] The screw rod 64 and the hexagonal block 68 are slidably connected inside the mounting rod 61 which is hexagonally shaped inside, and the bottom end of the screw rod 64 is fixedly connected to the hexagonal block 68. In order to facilitate the hexagonal block 68 to move up and down inside the mounting rod 61 when the screw rod 64 moves, the hexagonal block 68 can only move up and down inside the mounting rod 61, thereby preventing the screw rod 64 from rotating inside the mounting rod 61.

[0023] The bottom end of the hexagonal block 68 is fixedly connected to the steel cable 52 , and one end of the steel cable 52 extends from the bottom side wall of the mounting rod 61 . When the hexagonal block 68 moves upward, the hexagonal block 68 drives the steel cable 52 to move downward to pull the compression rod 58 .

[0024] The precast floor slabs 1 are laid on the surface of the supporting formwork 2, and adjacent precast floor slabs 1 are connected by the splicing steel bars 11; the surface of the supporting formwork 2 is provided with the cleaning port 22, and the cleaning port 22 is located between the two precast floor slabs 1, in order to facilitate the discharge of garbage between the two precast floor slabs 1 through the cleaning port 22 and improve the concrete pouring effect.

[0025] The interior of the cleaning port 22 is engaged with the splicing template 21, and the surface cross-sectional area of ​​the cleaning port 22 is equal to the surface cross-sectional area of ​​the splicing template 21, and the surface cross-sectional area of ​​the splicing template 21 is smaller than the surface cross-sectional area of ​​the support plate 510. In order to facilitate the support plate 510 and the splicing template 21 to close the cleaning port 22, the edge of the splicing template 21 is located inside the rubber pad 511, so that the rubber pad 511 increases the sealing between the splicing template 21 and the template 2 to prevent leakage of slurry.

[0026] The surfaces of the splicing template 21 and the support plate 510 are provided with interconnected connecting holes 56, and the compression rod 58 passes through the connecting hole 56 and enters the interior of the connecting tube 53, in order to facilitate the compression rod 68 to pass through the splicing template 21 and the support plate 510; the diameter of the connecting hole 56 is smaller than the diameter of the connecting tube 53 and the screw sleeve 57, in order to facilitate the connecting tube 53 and the screw sleeve 57 to enter the interior of the connecting hole 56.

[0027] The surface of the connecting tube 53 is fixedly connected to a fixing sleeve 54, and a funnel-shaped rubber sleeve 55 is engaged inside the fixing sleeve 54, and the rubber sleeve 55 contacts the surface of the splicing formwork 21. When the connecting tube 53 moves toward the surface of the splicing formwork 21, the connecting tube 53 presses the rubber pad 55 downward through the fixing sleeve 54, so that the rubber pad 55 is tightly attached to the connection between the connecting tube 53 and the splicing formwork 21, thereby preventing concrete from entering the connecting tube 53 and the interior of the connecting hole 56.

[0028] The working principle of the prefabricated component floor adjustable support device with a cleaning port provided by the present invention is as follows: after the garbage inside the post-casting strip is cleaned, the rubber sleeve 55 is first inserted into the interior of the fixing sleeve 54, the screw sleeve 57 is rotated to the bottom end of the compression rod 58, and then the compression rod 58 is rotated through the connecting hole 56 into the interior of the connecting tube 53, the support plate 510 and the splicing template 21 are located between the screw sleeve 57 and the connecting tube 53, the splicing template 21 is aligned with the cleaning port 22, and the steel bar hook 51 is hooked onto the splicing template 21 through the cleaning port 22. The steel bar 11, rotates the screw sleeve 57 upward, the screw sleeve 57 moves upward along the side wall of the compression rod 58, pushes the support plate 510 and the splicing template 54 to move upward, and the splicing template 21 enters the interior of the cleaning port 22, the support plate 510 contacts the surface of the template 2, and continues to rotate the screw sleeve 57 upward, so that the screw sleeve 57 pulls the compression rod 58, the connecting tube 53 and the steel bar hook 51 downward, so that the screw sleeve 57 quickly and preliminarily fixes the support plate 510 and the splicing template 21 on the surface of the template 2 to prevent the splicing template 21 from falling.The second vertical rod 41 is overlapped under the support plate 510, the connecting rod 42 is installed between the first vertical rod 31 and the second vertical rod 41, the sliding rod 43 is slid inside the connecting rod 42, the distance between the two connecting rods 42 is changed, and the buckle joint 36 at one end of the connecting rod 42 is aligned with the connecting plate 34 of the side wall of the first vertical rod 31 and the second vertical rod 41 respectively, the connecting rod 42 is fixed to one side of the connecting plate 34 using the latch 35, and the limiting rod 44 is rotated so that the limiting rod 44 is The positioning rod 44 squeezes the sliding rod 43 or penetrates the mounting hole 45 to fix the connecting rod 42, thereby completing the connection between the first vertical rod 31 and the second vertical rod 41. In the process of installing the second vertical rod 41 and the mounting rod 61, the connecting plate 69 and the compression rod 58 are staggered; the crank 63 is rotated, and the crank 63 drives the second gear 67 and the first gear 66 to rotate. Using the principle of screw transmission, the first gear 66 drives the screw rod 64 and the compression plate 65 to move upward. When When the distance between the compression plate 65 and the compression plate 510 is 20 to 40 mm, one end of the steel cable 52 is passed through the card slot 59 and wound around the side wall of the compression rod 58, and the crank 63 is continuously rotated to make the compression plate 65 move upward and gradually squeeze the support plate 510, so that the support plate 510 and the rubber sheet 511 move upward and squeeze the template 2 and the splicing template 21; and when the hexagonal block 68 moves upward, the hexagonal block 68 drives the steel cable 52 to move downward and pull the compression rod 58, and the The compression rod 58 pulls the connecting tube 53 and the steel bar hook 51 downward, and the connecting tube 53 moves downward to squeeze the splicing template 21, causing the splicing template 21 to move downward. At this time, the support plate 510 moves upward, and the splicing template 21 and the support plate 510 move relative to each other to squeeze the rubber pad 511, thereby increasing the sealing between the splicing template 21 and the support plate 510 and the stability of the splicing template 21 inside the cleaning port 22, avoiding leakage of slurry inside the cleaning port 22, and improving the concrete pouring effect.The connecting tube 53 pulls the steel bar hook 51 and the splicing steel bar 11 downward, so that the precast floor slab 21 is closely attached to the surface of the formwork 2, and the precast floor slab 1 is connected to the second vertical rod 41 and the disc-type bracket 3 through the fixing mechanism 5 and the supporting mechanism 6, so as to increase the stability of the precast floor slab 1, avoid displacement of the precast floor slab 1 during the pouring of concrete, and further improve the pouring quality of concrete. When the connecting tube 53 moves toward the surface of the splicing formwork 21, the connecting tube 53 squeezes the rubber pad 55 downward through the fixing sleeve 54, so that the rubber pad 55 is closely attached to the connection between the connecting tube 53 and the splicing formwork 21, and avoids concrete from entering the interior of the connecting tube 53 and the connecting hole 56. In the later process of demolding, the compression rod 58 is rotated to disengage the compression rod 58 from the interior of the connecting tube 53, so as to facilitate demolding without affecting the appearance of the concrete after solidification.

[0029] The above descriptions are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. An adjustable support device for a prefabricated floor with a cleaning port, characterized in that: include: A disc-shaped bracket (3) for supporting and fixing the support template (2), wherein the disc-shaped bracket (3) is connected to a support mechanism (4) for supporting the splicing template (21); The support mechanism (4) comprises a second vertical rod (41), the second vertical rod (41) being connected to the disc-type bracket (3) via a connecting rod (42), the interior of the connecting rod (42) being slidably connected to a sliding rod (43), a surface of the sliding rod (43) being provided with a plurality of mounting holes (45), and a limiting rod (44) being threadedly connected to the connecting rod (42) and penetrating the mounting holes (45); A fixing mechanism (5) is installed at the bottom end of the splicing template (21) for preventing slurry leakage inside the cleaning opening (22) and increasing the stability between the prefabricated floor slabs (1). The fixing mechanism (5) comprises a steel bar hook (51) and a compression rod (58). The steel bar hook (51) hooks the splicing steel bars (11) between the prefabricated floor slabs (1), and the bottom end of the steel bar hook (51) is fixedly connected to the connecting tube (53). The compression rod (58) is connected to the connecting tube (53) and the screw sleeve ( 57) are threadedly connected, and the connecting tube (53) contacts the top surface of the splicing template (21); the screw sleeve (57) contacts the bottom surface of the support plate (510); the inside of the support plate (510) is engaged with a U-shaped rubber pad (511), and the support plate (510) and the rubber pad (511) contact the bottom surface of the splicing template (21); the bottom end of the compression rod (58) is provided with a slot (59), and the inside of the slot (59) is wound with a steel cable (52); A compression mechanism (6) is installed at the top end of the second upright pole (41) for providing support to the support plate (510) and driving the steel cable (52) to move.

2. The adjustable support device for prefabricated floor slab with a cleaning port according to claim 1, characterized in that: The prefabricated floor slabs (1) are laid on the surface of the supporting formwork (2), and adjacent prefabricated floor slabs (1) are connected via the splicing steel bars (11); the surface of the supporting formwork (2) is provided with the cleaning opening (22), and the cleaning opening (22) is located between two prefabricated floor slabs (1).

3. The adjustable support device for prefabricated floor slab with a cleaning port according to claim 2, characterized in that: The cleaning port (22) is internally engaged with the splicing template (21); the surface cross-sectional area of ​​the cleaning port (22) is equal to the surface cross-sectional area of ​​the splicing template (21); the surface cross-sectional area of ​​the splicing template (21) is smaller than the surface cross-sectional area of ​​the support plate (510); and the edge of the splicing template (21) is located inside the rubber pad (511).

4. The adjustable support device for prefabricated floor slab with a cleaning port according to claim 3, characterized in that: The surfaces of the splicing template (21) and the support plate (510) are provided with interconnected connecting holes (56), and the compression rod (58) passes through the connecting hole (56) and enters the interior of the connecting tube (53); the diameter of the connecting hole (56) is smaller than the diameters of the connecting tube (53) and the screw sleeve (57).

5. The adjustable support device for prefabricated floor slab with a cleaning port according to claim 4, characterized in that: The surface of the connecting tube (53) is fixedly connected to a fixing sleeve (54), the interior of the fixing sleeve (54) is engaged with a funnel-shaped rubber sleeve (55), and the rubber sleeve (55) contacts the surface of the splicing template (21).

6. The adjustable support device for prefabricated floor slab with a cleaning port according to claim 1, characterized in that: The disc-and-buckle bracket (3) comprises a first vertical rod (31) and a horizontal rod (32); the surfaces of the first vertical rod (31) and the second vertical rod (41) are fixedly connected to a plurality of connecting discs (34); both ends of the horizontal rod (32), both ends of the oblique rod (33), and one end of the connecting rod (42) are equipped with buckle joints (36); the surface of the connecting disc (34) is provided with a plurality of grooves for docking with the buckle joint (36); a latch pin (35) with a trapezoidal side wall penetrates the groove to fix the connecting disc (34) and the buckle joint (36) together.

7. The adjustable support device for prefabricated floor slab with a cleaning port according to claim 1, characterized in that: The compression mechanism (6) comprises a mounting rod (61), the top end of the second vertical rod (41) is fixedly connected to the mounting rod (61), the top end of the mounting rod (61) is fixedly connected to a box body (62), the interior of the box body (62) is rotatably connected to a first gear (66) and a second gear (67) that mesh with each other, the diameter of the first gear (66) is larger than the diameter of the second gear (67), and the first gear (66) and the second gear (67) are perpendicular to each other; the interior of the first gear (66) is threadedly connected to a screw rod (64), the top end of the screw rod (64) is fixedly connected to a connecting plate (69), and the connecting plate (69) and the compression rod (58) are staggered; the side wall of the connecting plate (69) is symmetrically fixedly connected to a compression plate (65), and the compression plate (65) contacts the bottom surface of the support plate (510).

8. The adjustable support device for prefabricated floor slab with a cleaning opening according to claim 7, characterized in that: The interior of the installation rod (61) which is in the shape of a hexagonal column is slidably connected to the screw rod (64) and the hexagonal block (68), and the bottom end of the screw rod (64) is fixedly connected to the hexagonal block (68).

9. The adjustable support device for prefabricated floor slab with a cleaning opening according to claim 8, characterized in that: The bottom end of the hexagonal block (68) is fixedly connected to the steel cable (52), and one end of the steel cable (52) extends out from the bottom end side wall of the mounting rod (61).