Post-cast strip sealing device

Abstract

The utility model relates to the technical field of post-cast strip sealing devices, and discloses a post-cast strip sealing device which comprises a prefabricated plate, a steel bar is poured in the prefabricated plate, two ends of the steel bar extend out of the outer sides of the left end and the right end of the prefabricated plate, one end of the steel bar is fixedly connected with a fixing block, the fixing block is of a spherical structure, and a fixing groove is formed in the outer side of the fixing block. The other end of the steel bar is fixedly connected with a fixing rod, the fixing rod is made of elastic materials such as spring steel, the fixing rod is of an arc-shaped structure, and the arc-shaped fixing rod can form a mounting structure. According to the utility model, the fixing blocks are contacted with the openings of the fixing rods, and then the two prefabricated plates are pushed to move relatively, so that the fixing blocks extrude the fixing rods, and as the fixing blocks are spherical, when the fixing blocks are extruded, the two sides of the fixing rods are expanded outwards; and the fixing rods can rebound to be tightly attached to the inner side walls of the fixing grooves in the outer sides of the fixing blocks due to the elasticity of the fixing rods, so that quick splicing of the prefabricated slabs is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of post-cast strip sealing devices, in particular to a post-cast strip sealing device. Background Art

[0002] A post-cast strip is a concrete strip left at the corresponding positions of the foundation slab, wall, beam and basement top slab in accordance with design or construction specifications during construction to prevent harmful cracks that may be caused by uneven shrinkage or settlement of reinforced concrete structures.

[0003] When backfilling the basement with bare soil, it is necessary to use a sealing device to seal the post-cast strip to prevent garbage and soil from entering the post-cast strip when backfilling. When using a sealing device to seal the post-cast strip, multiple prefabricated panels are usually docked according to the length of the post-cast strip, and multiple steel bars extending from adjacent sides of the multiple prefabricated panels are overlapped and tied and fixed one by one with steel wire, and concrete is poured into the gap between two adjacent prefabricated panels. After the concrete is dry, the prefabricated panels after splicing are covered on the top of the post-cast strip to seal the post-cast strip.

[0004] Since workers need to use steel wire to bundle the overlapping steel bars between the two prefabricated panels one by one when splicing the prefabricated panels, the bundling process is time-consuming and inconvenient for quickly splicing the prefabricated panels. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a post-cast strip closing device, which aims to improve the problem in the prior art that when splicing prefabricated panels, workers need to use steel wire to bundle the overlapping steel bars between the two prefabricated panels one by one, which is time-consuming and inconvenient to quickly splice the prefabricated panels.

[0006] In order to achieve the above-mentioned purpose, the present invention adopts the following technical solutions: a post-casting strip sealing device, comprising:

[0007] precast panels;

[0008] The steel bars are cast inside the precast slab, and both ends of the steel bars extend outwards of both ends of the precast slab;

[0009] A fixing block is fixedly connected to one end of the steel bar, and a fixing groove is formed on the outer side of the fixing block;

[0010] A fixing rod is fixedly connected to the other end of the steel bar, and one end of the fixing rod is inserted into the fixing groove for connecting two adjacent prefabricated panels.

[0011] As a further description of the above technical solution:

[0012] The bottom end of the prefabricated plate is fixedly connected with a reinforcing rod.

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

[0014] Both ends of the prefabricated plate are fixedly connected with protrusions, and the protrusions are used to increase the roughness of the side walls of the prefabricated plate.

[0015] As a further description of the above technical solution:

[0016] A casting hole is provided at the top of the precast plate, and stirrups are fixedly connected to the inner side wall of the casting hole, and the stirrups are used to increase the strength of the side wall of the casting hole.

[0017] As a further description of the above technical solution:

[0018] A protrusion is fixedly connected to the bottom edge of the prefabricated plate, and a side wall of the protrusion is provided with convex patterns.

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

[0020] The edge of the side wall of the prefabricated panel is configured as an arc-shaped structure.

[0021] As a further description of the above technical solution:

[0022] The fixing block is configured as a spherical structure, the fixing rod is made of elastic material, and the fixing rod is configured as an arc structure.

[0023] As a further description of the above technical solution:

[0024] The fixing groove is configured as a cross-shaped structure.

[0025] As a further description of the above technical solution:

[0026] The edge of the side wall of the prefabricated plate is arranged as an arc-shaped structure.

[0027] The utility model has the following beneficial effects:

[0028] In the present invention, when two prefabricated panels are spliced ​​together, the fixing block will contact the opening of the fixing rod. As the two prefabricated panels move relative to each other, the fixing block will squeeze the fixing rod. Since the fixing block is a spherical fixing rod, when it is squeezed, the two sides of the fixing rod will expand outward. When the two prefabricated panels are completely close together, the fixing rod will rebound due to its own elastic force and fit tightly against the inner side wall of the fixing groove outside the fixing block, thereby realizing rapid splicing of the prefabricated panels. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 This is a three-dimensional diagram of the utility model laid horizontally;

[0030] Figure 2This is a schematic diagram of the structure of the utility model;

[0031] Figure 3 A three-dimensional diagram of the fixing rod and the fixing block of the utility model;

[0032] Figure 4 It is a cross-sectional view of the stirrup of the utility model;

[0033] Figure 5 This is a structural diagram of the utility model where the prefabricated board closes the side of the post-cast strip;

[0034] Figure 6 This is the overall structural diagram of the prefabricated panels and basement concrete of the utility model.

[0035] Legend:

[0036] 1. Precast slab; 2. Steel bar 1; 3. Fixing groove; 4. Reinforcement rod; 5. Fixing rod; 6. Counter-bump; 7. Steel bar 2; 8. Fixing block; 9. Stirrups; 10. Steel cap. DETAILED DESCRIPTION

[0037] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0038] Reference Figure 1-6 The utility model provides an embodiment: a post-cast strip closing device, including a prefabricated board 1, the edges of the front and rear side walls of the prefabricated board 1 are set as an arc-shaped structure. When the staff lays the waterproof membrane on the top of the basement, the waterproof membrane can be completely fitted with the edges and corners of the prefabricated board 1 without any gaps, thereby ensuring the construction quality of the waterproof membrane.

[0039] An anti-ridge 6 is cast on the upper side of the basement top plate at the edge of the post-cast strip, and protrusions are fixedly connected on the front and rear sides of the bottom of the precast panel 1. The side walls of the protrusions are provided with convex patterns. The roughness of the side walls of the protrusions is increased by the convex patterns. When foamed polyurethane is filled between the precast panel 1 and the anti-ridge 6, the protrusions at the bottom of the precast panel 1 can be adhered to the anti-ridge 6 more firmly. The left and right side walls of the precast panel 1 are fixedly connected with protrusions. Fixing the protrusions on the side walls of the precast panel 1 can increase the roughness of the side walls of the precast panel 1, so that when the staff pours fine stone concrete inside the gap between adjacent precast panels 1, the fine stone concrete can be more firmly bonded to the side walls of the precast panel 1.

[0040] Steel bars 2 are cast inside the prefabricated panel 1, and both ends of the steel bars 2 extend outward from the left and right ends of the prefabricated panel 1. One end of the steel bar 2 is fixedly connected to a fixed block 8, which is set to a spherical structure. A fixing groove 3 is opened on the outside of the fixed block 8, and the fixing groove 3 is set to an arc structure along the spherical surface of the fixed block 8, and the fixing groove 3 is a cross-cross design. The other end of the steel bar 2 is fixedly connected to a fixing rod 5, which is made of elastic material such as spring steel. The fixing rod 5 is set to an arc structure, and the arc-shaped fixing rod 5 is a "C"-shaped installation structure. When the two prefabricated panels 1 are spliced ​​together, the fixing block 8 will contact the opening of the fixing rod 5. As the two adjacent prefabricated panels 1 move relative to each other, the fixing block 8 will squeeze the fixing rod 5. Because the fixing block 8 is spherical, the two sides of the fixing rod 5 will gradually expand outward when squeezed and be inserted into the fixing groove outside the fixing block 8. When the two prefabricated panels 1 are completely close together, the fixing rod 5 is inserted into the horizontal groove of the fixing groove 3. At this time, the fixing rod 5 will rebound due to its own elastic force and fit tightly against the inner side wall of the horizontal groove of the fixing groove 3, thereby realizing quick connection of the prefabricated panels 1.

[0041] When fine stone concrete is poured into the gap between adjacent precast panels 1, part of the fine stone concrete will enter the vertical groove of the fixing groove 3, wrapping the fixing block 8 while the concrete is sunken into the fixing groove 3, thereby improving the connection strength between the concrete and the fixing block 8. After the concrete dries, the fixing rod 5 can be connected and fixed to the inner wall of the fixing groove 3, making the connection between the two precast panels 1 more secure.

[0042] When the fine stone concrete is poured into the gap between adjacent precast panels 1, the fine stone concrete will wrap the fixing block 8 and the fixing rod 5, thereby fixing the fixing rod 5. At this time, the fixing rod 5 will not be deformed by external force.

[0043] A plurality of reinforcing rods 4 are fixedly connected to the bottom end of the precast panel 1. The reinforcing rods 4 are made of threaded steel bars. When the precast panel 1 is placed on the top of the post-cast strip, the reinforcing rods 4 below the precast panel 1 will extend into the post-cast strip and contact the steel bars inside the post-cast strip. At this time, when concrete is poured into the post-cast strip through the pouring hole, the concrete inside the post-cast strip can wrap the reinforcing rods 4 at the bottom end of the precast panel 1 and the steel bars inside the post-cast strip. After the concrete is completely dry, the reinforcing rods 4 will be fixed to the concrete inside the post-cast strip, thereby strengthening the connection strength between the precast panel 1 and the post-cast strip.

[0044] A casting hole is opened at the top of the precast panel 1 after splicing, and a plurality of stirrups 9 are fixedly connected to the inner wall of the casting hole. Figure 1 and Figure 4 As shown, the stirrups 9 on the inner wall of the casting hole can increase the strength of the concrete near the casting hole and prevent the concrete near the casting hole of the precast slab 1 from cracking due to load stress.

[0045] A steel cap 10 is inserted into the outside of the casting hole. Figure 6 As shown, sleeved steel cap 10 on the outside of the pouring hole can prevent backfill soil from entering the post-casting strip from the pouring hole when backfilling. When concrete needs to be poured into the post-casting strip, the steel cap 10 can be removed from the outside of the pouring hole, and the steel funnel can be sleeved on the outside of the pouring hole. Concrete is then injected into the pouring hole through the steel funnel, so that the concrete can flow into the post-casting strip to seal the post-casting strip.

[0046] When the post-cast strip needs to be closed, multiple prefabricated panels 1 are butted together according to the length of the post-cast strip, so that the fixing rod 5 extends into the fixing groove 3, and the fixing rod 5 uses its own elastic force to rebound and adhere to the inner wall of the fixing groove 3, so as to realize the rapid splicing of the prefabricated panels 1, and pour fine stone concrete between the spliced ​​prefabricated panels 1 to fill the gaps between the prefabricated panels 1. When the fine stone concrete is poured into the gaps between the prefabricated panels 1, the fixing blocks 8 and the fixing rods 5 between the prefabricated panels 1 can be fixed. Wrap it, and the fixing rod 5 can be completely fixed after being wrapped by the fine stone concrete. At this time, the fixing rod 5 will not be deformed by external force. When the precast panel 1 needs to be placed on the top of the post-cast strip, first brush waterproof paint on both sides of the anti-ridge 6 at the top of the post-cast strip, and place the protrusions at the bottom end of the precast panel 1 on the outside of the anti-ridge 6 at the top of the post-cast strip, and fill the gap between the anti-ridge 6 and the protrusion with foamed polyurethane to seal the gap between the anti-ridge 6 and the protrusion of the precast panel 1.

[0047] like Figure 5 As shown, when sealing the edges of the two ends of the post-cast strip, two adjacent prefabricated panels 1 are placed at the edges of the two ends of the post-cast strip in a mutually perpendicular manner, and the fixing rod 5 is inserted into the vertical groove of the fixing groove 3, as shown in FIG. Figure 5 As shown, the exposed steel bars on one side of the adjacent two precast panels 1 are supported by formwork respectively, and then fine stone sand concrete is poured on the exposed steel bars of the precast panels 1. When pouring the fine stone sand concrete, the concrete will enter the horizontal part of the fixing groove 3, wrapping the fixing block 8, and at the same time, the concrete will sink into the inside of the fixing groove 3 to improve the connection strength between the concrete and the fixing block 8.

[0048] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A post-casting strip sealing device, characterized in that: include Prefabricated panels (1); The steel bars (2) are cast inside the prefabricated plate (1), and both ends of the steel bars (2) extend outside both ends of the prefabricated plate (1); A fixing block (8) is fixedly connected to one end of the steel bar (2), and a fixing groove (3) is provided on the outer side of the fixing block (8); A fixing rod (5) is fixedly connected to the other end of the steel bar (2), and one end of the fixing rod (5) is inserted into the fixing groove (3) for connecting two adjacent prefabricated panels (1).

2. A post-cast strip sealing device according to claim 1, characterized in that: A reinforcing rod (4) is fixedly connected to the bottom end of the prefabricated plate (1).

3. The post-cast strip sealing device according to claim 1, characterized in that: Both ends of the prefabricated plate (1) are fixedly connected with protrusions, and the protrusions are used to increase the roughness of the side wall of the prefabricated plate (1).

4. The post-cast strip sealing device according to claim 1, characterized in that: A casting hole is provided at the top of the prefabricated plate (1), and stirrups (9) are fixedly connected to the inner side wall of the casting hole. The stirrups (9) are used to increase the strength of the side wall of the casting hole.

5. The post-cast strip sealing device according to claim 1, characterized in that: A protrusion is fixedly connected to the bottom edge of the prefabricated plate (1), and a convex pattern is provided on the side wall of the protrusion.

6. The post-cast strip sealing device according to claim 1, characterized in that: The side wall edge of the prefabricated panel (1) is configured as an arc-shaped structure.

7. The post-cast strip sealing device according to claim 1, characterized in that: The fixing block (8) is configured as a spherical structure, the fixing rod (5) is made of elastic material, and the fixing rod (5) is configured as an arc structure.

8. The post-cast strip sealing device according to claim 1, characterized in that: The fixing groove (3) is configured as a cross-shaped structure.

9. The post-cast strip sealing device according to claim 1, characterized in that: The edge of the side wall of the prefabricated plate (1) is arranged as an arc-shaped structure.

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