Slurry leakage prevention device for laminated slab cast-in-place slab strip
By setting up a self-pull reinforcement system of cross-pull steel bars and pulling screws on the laminated plate, the slurry leakage problem in the position of the cast-in-place plate belt of the laminated plate is solved, high-quality construction and improvement of appearance, while saving materials and labor.
Patent Information
- Application Number
- CN202422370061.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-27
- Publication Date
- 2025-07-11
- Estimated Expiration
- 2034-09-27
AI Technical Summary
During the construction of the cast-in-place plate belt of the laminated plate, no independent support is installed at the joints or the formwork is not supported in place, the aluminum alloy template is uneven, and the lifting positioning of the laminated plate is inaccurate, resulting in the inability to closely combine the laminated plate and the aluminum template, which is prone to leakage quality problems, affecting the construction quality and appearance.
A cast-in-place plate plate with leak-proof slurry device is designed. By setting up a horizontal steel bar and a pull-out screw on the stacked plate, combining the sleeve and sponge glue strip on the aluminum formwork, a self-pull reinforcement system is formed to ensure that the aluminum formwork and the stacked plate are closely fitted to prevent slurry leakage.
Effectively prevent slurry leakage at the laminated plate belt, ensure construction quality and appearance, save mortar and labor, and the pulling screw can be turned around and used, with a wide range of applications.
Smart Images
Figure CN223088897U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of prefabricated buildings, and particularly relates to a slurry leakage prevention device for cast-in-place slab bands of laminated plates. Background Technique
[0002] The installation of laminated plates in prefabricated buildings is one of the relatively advanced technologies in current building structures. During the construction process using the laminated plate installation technology, the work efficiency is improved, the material consumption is reduced, and the environmental pollution is decreased.
[0003] However, during the construction process at the position of the cast-in-place slab band of the laminated plate, due to reasons such as no independent support or insufficient formwork support at the joint, uneven aluminum formwork, inaccurate hoisting and positioning of the laminated plate, and warping of the laminated plate itself, the laminated plate and the aluminum formwork cannot be closely combined, which easily leads to quality problems such as slurry leakage at the position of the cast-in-place slab band of the laminated plate, and the construction quality and formed appearance of the laminated plate are poor. Therefore, we have designed a slurry leakage prevention device for the cast-in-place slab band of the laminated plate. The aluminum formwork is closely attached to the laminated plate, which can effectively prevent the common quality problem of slurry leakage at the slab band of the laminated plate, ensure the construction quality and appearance of the laminated plate, and basically do not need to be polished and repaired later, saving mortar and labor at the same time. At the same time, the tension bolts in the slurry leakage prevention device can be disassembled and recycled for use, with a wider application range. Content of the Utility Model
[0004] The purpose of the utility model is to provide a slurry leakage prevention device for the cast-in-place slab band of the laminated plate, which has the advantages that the aluminum formwork is closely attached to the laminated plate, can effectively prevent the common quality problem of slurry leakage at the slab band of the laminated plate, ensure the construction quality and appearance of the laminated plate, basically do not need to be polished and repaired later, save mortar and labor at the same time, and the tension bolts in the slurry leakage prevention device can be disassembled and recycled for use, with a wider application range, and solves the problems that due to reasons such as no independent support or insufficient formwork support at the joint, uneven aluminum formwork, inaccurate hoisting and positioning of the laminated plate, and warping of the laminated plate itself, the laminated plate and the aluminum formwork cannot be closely combined, which easily leads to quality problems such as slurry leakage at the position of the cast-in-place slab band of the laminated plate, and the construction quality and formed appearance of the laminated plate are poor.
[0005] The technical solution of the present utility model to solve the above technical problems is as follows: A slurry leakage prevention device for the cast-in-place slab belt of a laminated slab, which includes horizontal reinforcing bars arranged at the cast-in-place slab holes on the laminated slab body. The number of the horizontal reinforcing bars is two, and the horizontal reinforcing bars are placed above the laminated slab body. A nut one extending into the inner cavity of the cast-in-place slab hole is welded to the middle part below the horizontal reinforcing bars. A tension rod is threadedly connected to the inner cavity of the nut one. The bottom of the tension rod passes through the bottom of the laminated slab body. An aluminum formwork body located below the cast-in-place slab hole is arranged at the bottom of the laminated slab body. Two sleeve bodies sleeved on the surface of the tension rod are installed above the aluminum formwork body. The top of the sleeve body abuts against the bottom of the nut one. The bottom of the tension rod passes through the bottom of the aluminum formwork body. A steel backing plate and a nut two are sleeved on the bottom of the surface of the tension rod. The steel backing plate abuts against the inner wall of the aluminum formwork body.
[0006] For the slurry leakage prevention device for the cast-in-place slab belt of a laminated slab as described above in the present utility model, further: A sponge rubber strip is bonded to the top of the aluminum formwork body, and the top of the sponge rubber strip is bonded to the bottom of the laminated slab body.
[0007] For the slurry leakage prevention device for the cast-in-place slab belt of a laminated slab as described above in the present utility model, further: Slots for inserting the sleeve bodies are opened at the top of the aluminum formwork body.
[0008] For the slurry leakage prevention device for the cast-in-place slab belt of a laminated slab as described above in the present utility model, further: Two through holes for the tension rod to pass through are opened at the top of the aluminum formwork body.
[0009] For the slurry leakage prevention device for the cast-in-place slab belt of a laminated slab as described above in the present utility model, further: The gap between the two through holes is less than 2m, and the size of the through hole is larger than the outer diameter of the tension rod.
[0010] For the slurry leakage prevention device for the cast-in-place slab belt of a laminated slab as described above in the present utility model, further: The sleeve body is a PVC pipe, and the inner diameter of the sleeve body is larger than the outer diameter of the tension rod.
[0011] The beneficial effects of the present utility model are:
[0012] 1. In the present utility model, a nut one is welded on the horizontal reinforcing bar. The tension rod is inserted into the nut one and tightened. Then, the horizontal reinforcing bar is placed on the top of the composite slab body. The inner cavity of the upper slot of the aluminum formwork body is inserted with the sleeve body. Next, the aluminum formwork body is lifted so that the sleeve body is sleeved on the surface of the tension rod. The steel backing plate and the nut two are sleeved on the tension rod to form a self-tensioning reinforcement system, which increases the stiffness of the formwork, offsets the impact load generated during the concrete pouring process, avoids the deformation of the formwork, makes the composite slab and the aluminum alloy formwork fit tightly, prevents leakage of mortar. At the same time, the tension rod can be disassembled and used for turnover, so that the aluminum formwork and the composite slab can be tightly fitted, effectively preventing the common quality problem of mortar leakage at the slab strip of the composite slab, ensuring the construction quality and appearance of the composite slab. Basically, there is no need for grinding and repairing in the later stage, saving mortar and labor at the same time. At the same time, the tension rod in the mortar leakage prevention device can be disassembled and used for turnover, with a wider application range, solving the problems that due to the reasons such as no independent support or improper formwork support at the joint, the aluminum alloy formwork is uneven, the hoisting and positioning of the composite slab is inaccurate, and the composite slab itself is warped, the composite slab and the aluminum formwork cannot be tightly combined, easily leading to quality problems such as mortar leakage at the cast-in-place slab strip position of the composite slab, and the construction quality and forming appearance of the composite slab are poor.
[0013] 2. Through the setting of the sponge rubber strip in the present utility model, the sealing between the aluminum formwork body and the composite slab body can be realized, improving the sealing effect between the aluminum formwork body and the composite slab body and enhancing the impermeability.
[0014] 3. Through the setting of the slot, when the sleeve body is inserted into the inner cavity of the slot, the sleeve body can be limited, preventing the sleeve body from shaking randomly. Moreover, after the sleeve body is inserted into the slot, the contact position between the sleeve body and the aluminum formwork body can be sealed, improving the impermeability effect at the contact position between the sleeve body and the aluminum formwork body. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Through the detailed description in combination with the following drawings, the above and / or other advantages of the present utility model will become clearer and easier to understand. These drawings are only schematic and do not limit the present utility model, where:
[0016] Figure 1 is a schematic structural diagram of an embodiment of the present utility model;
[0017] Figure 2 is a three-dimensional split schematic diagram of an embodiment of the present utility model;
[0018] Figure 3 is an embodiment of the present utility model Figure 2 is an enlarged schematic diagram of point A in
[0019] In the drawings, the list of components represented by each reference numeral is as follows:
[0020] 1. Composite slab body, 2. Cast-in-place slab hole, 3. Horizontal cantilever steel bar, 4. Nut 1, 5. Tie rod, 6. Sleeve body, 7. Aluminum formwork body, 8. Steel backing plate, 9. Nut 2, 10. Sponge rubber strip, 11. Slot, 12. Perforation. Detailed implementation manner
[0021] In the following, embodiments of the slurry leakage prevention device for the cast-in-place slab belt of the composite slab of the present invention will be described with reference to the accompanying drawings.
[0022] The embodiments described herein are specific specific implementation manners of the present invention for explaining the concept of the present invention, and are all explanatory and exemplary, and should not be construed as limiting the implementation manner of the present invention and the scope of the present invention. Except for the embodiments described herein, those skilled in the art can also adopt other obvious technical solutions based on the content disclosed in the claims and the specification of the present application. These technical solutions include technical solutions that make any obvious substitutions and modifications to the embodiments described herein.
[0023] The drawings in this specification are schematic diagrams to assist in explaining the concept of the present invention, and schematically show the shapes of various parts and their mutual relationships. Please note that in order to clearly show the structures of the components in the embodiments of the present invention, the drawings are not drawn in the same proportion. The same reference numerals are used to represent the same parts.
[0024] Figures 1-3The slurry leakage prevention device for the cast-in-place slab belt of the laminated slab is shown, which includes horizontal reinforcing bars 3 arranged at the cast-in-place slab hole 2 on the laminated slab body 1. The number of the horizontal reinforcing bars 3 is two, and the horizontal reinforcing bars 3 are placed above the laminated slab body 1. A nut 4 extending into the inner cavity of the cast-in-place slab hole 2 is welded in the middle below the horizontal reinforcing bars 3. A tie rod 5 is threadedly connected in the inner cavity of the nut 4. The diameter of the horizontal reinforcing bars 3 is 20 mm, and the specification of the tie rod 5 is of M14 model. The bottom of the tie rod 5 passes through the bottom of the laminated slab body 1. An aluminum formwork body 7 located below the cast-in-place slab hole 2 is arranged at the bottom of the laminated slab body 1. A sponge rubber strip 10 is bonded to the top of the aluminum formwork body 7. The top of the sponge rubber strip 10 is bonded to the bottom of the laminated slab body 1. Through the arrangement of the sponge rubber strip 10, the sealing between the aluminum formwork body 7 and the laminated slab body 1 can be carried out, the sealing effect between the aluminum formwork body 7 and the laminated slab body 1 is improved, and the impermeability is improved. Two sleeve bodies 6 sleeved on the surface of the tie rod 5 are installed above the aluminum formwork body 7. The sleeve body 6 is a PVC pipe. The inner diameter of the sleeve body 6 is larger than the outer diameter of the tie rod 5. A slot 11 for inserting the sleeve body 6 is opened at the top of the aluminum formwork body 7. Through the arrangement of the slot 11, when the sleeve body 6 is inserted into the inner cavity of the slot 11, the sleeve body 6 can be limited, so that the sleeve body 6 will not shake randomly. Moreover, after the sleeve body 6 is inserted into the slot 11, the contact position between the sleeve body 6 and the aluminum formwork body 7 can be sealed, and the impermeability effect at the contact position between the sleeve body 6 and the aluminum formwork body 7 is improved. Two through holes 12 for the tie rod 5 to pass through are opened at the top of the aluminum formwork body 7. The gap between the two through holes 12 is less than 2 m. The size of the through hole 12 is larger than the outer diameter of the tie rod 5. The top of the sleeve body 6 abuts against the bottom of the nut 4. The bottom of the tie rod 5 passes through the bottom of the aluminum formwork body 7. A steel backing plate 8 and a nut 2 9 are sleeved on the bottom of the surface of the tie rod 5. The steel backing plate 8 abuts against the inner wall of the aluminum formwork body 7.
[0025] The slurry leakage prevention device for the cast-in-place slab belt of the laminated slab has a simple structure and is convenient to install. When using the slurry leakage prevention device for the cast-in-place slab belt of the laminated slab, it is basically not necessary to carry out grinding and repair in the later stage, which saves mortar and labor at the same time, and has good economic benefits. At the same time, it solves the common quality problem of slurry leakage in the cast-in-place slab belt of the laminated slab, reduces the construction waste on the floor, has good on-site civilized construction, conforms to the concept of green construction, and has good social benefits.
[0026] Working principle: When this new type of product is in use, weld a first nut - 4 on the horizontal cantilever steel bar 3, insert the tension rod 5 into the first nut - 4 and tighten it. Then place the horizontal cantilever steel bar 3 on the top of the composite slab body 1. Insert the casing body 6 into the inner cavity of the slot 11 above the aluminum formwork body 7. Then lift the aluminum formwork body 7 so that the casing body 6 sleeves on the surface of the tension rod 5. The tension rod 5 passes through the perforation 12 on the aluminum formwork body 7 until it reaches the bottom of the aluminum formwork body 7, and then sleeve the steel backing plate 8 and the second nut 9 on the tension rod 5, and tighten the second nut 9 to form a self - tensioning reinforcement system. Pre - bond a sponge rubber strip 10 above the aluminum formwork body 7 so that the sponge rubber strip 10 fits against the lower part of the composite slab body 1.
[0027] To sum up: For this anti - leakage mortar device of the cast - in - place slab belt of the composite slab, by welding a first nut - 4 on the horizontal cantilever steel bar 3, inserting the tension rod 5 into the first nut - 4 and tightening it, then placing the horizontal cantilever steel bar 3 on the top of the composite slab body 1, inserting the casing body 6 into the inner cavity of the slot 11 above the aluminum formwork body 7, then lifting the aluminum formwork body 7 so that the casing body 6 sleeves on the surface of the tension rod 5, and sleeving the steel backing plate 8 and the second nut 9 on the tension rod 5 to form a self - tensioning reinforcement system, it increases the stiffness of the formwork, offsets the impact load generated during the concrete pouring process, avoids the deformation of the formwork, makes the composite slab and the aluminum alloy formwork fit tightly, prevents leakage of mortar. At the same time, the tension rod is detachable for turnover use, that is, it can achieve the tight fit between the aluminum formwork and the composite slab, effectively prevent the common quality problem of leakage of mortar at the slab belt of the composite slab, ensure the construction quality and appearance of the composite slab, and basically do not need to be polished and repaired later, saving mortar and labor at the same time. At the same time, the tension rod in this anti - leakage mortar device can be disassembled and used for turnover, with a wider application range, solving the problems that due to the lack of independent support or improper formwork support at the joint, the aluminum alloy formwork is uneven, the hoisting and positioning of the composite slab is inaccurate, and the composite slab itself has warping, etc., which will cause the composite slab and the aluminum formwork to not fit tightly, easily lead to quality problems such as leakage of mortar at the cast - in - place slab belt position of the composite slab, and the poor construction quality and formed appearance of the composite slab.
[0028] The disclosed technical features are not limited to the combinations with other disclosed features. Those skilled in the art can also make other combinations among the technical features according to the purpose of the utility model, subject to achieving the purpose of the utility model.
Claims
1. A slurry leakage prevention device for the cast-in-place slab belt of a laminated slab, characterized in that, It includes horizontal reinforcing bars (3) arranged at the cast-in-place slab hole (2) on the laminated slab body (1). The number of the horizontal reinforcing bars (3) is two. The horizontal reinforcing bars (3) are placed above the laminated slab body (1). A nut one (4) extending into the inner cavity of the cast-in-place slab hole (2) is welded in the middle below the horizontal reinforcing bars (3). A tie rod (5) is threadedly connected in the inner cavity of the nut one (4). The bottom of the tie rod (5) passes through the bottom of the laminated slab body (1). An aluminum formwork body (7) located below the cast-in-place slab hole (2) is arranged at the bottom of the laminated slab body (1). Two sleeve bodies (6) sleeved on the surface of the tie rod (5) are installed above the aluminum formwork body (7). The top of the sleeve body (6) abuts against the bottom of the nut one (4). The bottom of the tie rod (5) passes through the bottom of the aluminum formwork body (7). A steel backing plate (8) and a nut two (9) are sleeved on the bottom of the surface of the tie rod (5). The steel backing plate (8) abuts against the inner wall of the aluminum formwork body (7).
2. The anti-leakage slurry device for the cast-in-place slab band of the laminated slab according to claim 1, characterized in that, A sponge rubber strip (10) is bonded to the top of the aluminum formwork body (7). The top of the sponge rubber strip (10) is bonded to the bottom of the laminated slab body (1).
3. The anti-leakage grout device for the cast-in-place slab belt of the laminated slab according to claim 2, wherein, A slot (11) for inserting the sleeve body (6) is formed in the top of the aluminum formwork body (7).
4. A slurry leakage prevention device for the cast-in-place slab strip of a laminated slab, characterized in that Two through holes (12) for the tie rod (5) to pass through are formed in the top of the aluminum formwork body (7).
5. The anti-leakage grout device for the cast-in-place slab belt of the laminated slab according to claim 4, characterized in that The gap between the two through holes (12) is less than 2m, and the size of the through hole (12) is larger than the outer diameter of the tie rod (5).
6. The anti-leakage slurry device for the cast-in-place slab belt of the laminated slab according to claim 5, characterized in that, The sleeve body (6) is a PVC pipe, and the inner diameter of the sleeve body (6) is larger than the outer diameter of the tie rod (5).