CN210122816U - Be used for assembled coincide floor bottom plate board seam template reinforcing apparatus - Google Patents

Abstract

The utility model provides a formwork reinforcement device for the bottom plate seam of an assembled laminated floor, comprising a bottom plate, a plate seam is arranged at the end of the adjacent horizontally arranged bottom plate, and a formwork is arranged at the bottom of the plate seam. The width of the template is greater than the width of the board seam; the reinforcement device further includes a support assembly, a limit bolt assembly and a clamping assembly, the support assembly is used to support the template, and the limit bolt assembly is arranged to pass through the The board slot, the template and the support assembly can move within the board slot; the clamping assembly is used to fix the limit bolt assembly to limit the left and right movement of the template. The reinforcement device proposed by the utility model solves the problem that the reinforcement device of the bottom plate joint formwork in the prior art cannot guarantee the integrity and connection firmness between the bottom plate and the post-cast concrete, and has the advantages of convenient construction, high work efficiency, and safety and controllability. It is suitable for the reinforcement method between the seams of the bottom plate under various working conditions.

Description

A kind of formwork reinforcement device for prefabricated laminated floor bottom slab joints

technical field

The utility model belongs to the field of prefabricated laminated floor structures, in particular to a formwork reinforcement device used for the bottom plate joints of prefabricated laminated floor slabs.

Background technique

The prefabricated laminated floor slab is a trend in the modern construction industry. It not only has high construction efficiency, but also has less on-site pollution and stable component quality, making it easier to realize mechanized construction. Concrete laminated floor has the advantages of both prefabrication and cast-in-place floor, so it is not only a good floor for high-rise and earthquake-resistant buildings, but also convenient for the majority of prefabricated component factories in our country. It is a kind of floor slab that is industrially produced in small and medium-sized cities, and has a very good market value. In the field of prefabricated composite structure buildings, the concrete composite floor slab is a part of the composite structure, which means that the floor slab is divided into two parts along the thickness direction. layer.

During the construction process, there is often a distance between the prefabricated floor slab joints, and the base plate is a part of the superimposed floor slab. In the construction stage, the post-cast concrete must first fill the gap between the floor slabs and then continue pouring on the upper part of the base plate. Therefore, when the concrete is poured after the concrete, it is necessary to set up the concrete formwork in advance between the joints of the bottom plate, and at the same time, set the supporting feet under the concrete formwork to support the load of the concrete and the formwork after pouring, so that the joints between the concrete and the bottom plate can be supported. An integral laminated floor member is formed between them.

The existing bottom plate joint formwork reinforcement is to lay a support foot on the ground and fix it together with the formwork. Due to the different heights between the ground and the bottom plate, the installation of the support foot is also very different, and the construction is very inconvenient; at the same time, the support The tripod requires the cooperation of many people, the workload is large, and the work efficiency is low; in addition, due to the limitation of the height between the ground and the bottom plate, it is impossible to adjust the fixing of the support frame and the formwork in time, safely and quickly, and because the support frame and the formwork support The lift-type fixing method cannot guarantee the integrity and connection firmness between the bottom plate and the post-cast concrete. These problems all seriously affect the overall construction progress, project quality and production cost.

SUMMARY OF THE INVENTION

Aiming at the problems existing in the above-mentioned prior art, the purpose of the utility model is to provide a formwork reinforcement device for the bottom plate joints of the prefabricated laminated floor slabs, so as to solve the problem that the bottom plate joint formwork reinforcement device in the prior art cannot guarantee the bottom plate and the post-cast concrete. issues of integrity and connection firmness.

The above-mentioned technical purpose of the present utility model is achieved through the following technical solutions:

A formwork reinforcement device for prefabricated laminated floor slab bottom slab seam, comprising a base plate, a slab slot is arranged at the end of the adjacent horizontally arranged bottom slab, and a formwork is arranged at the bottom of the slab slot, and the width of the formwork is larger than that of all the slabs. the width of the board seam; the reinforcement device further includes a support assembly, a limit bolt assembly and a clamping assembly, the support assembly is used to support the template, and the limit bolt assembly is arranged to pass through the board seam in sequence, The template and the support assembly can move in the plate slot; the clamping assembly is used to fix the limit bolt assembly to limit the left and right movement of the template.

Further, the limiting bolt assembly includes several bolts arranged in parallel, the bolts include a bolt frame and a bolt body, the bolt frame is integrally connected with one end of the bolt body, and the other end of the bolt body is provided with a bolt body. External thread; the bolt includes at least one of the bolt body.

Further, the support assembly includes a first support assembly and a second support assembly, the first support assembly and the second support assembly are sequentially arranged on the side of the template away from the bottom plate, and the first support assembly The first support assembly is arranged in parallel with the template, and the first support assembly is perpendicular to the second support assembly.

Further, the first support assembly and the template are fixedly connected by fasteners, and the first support assembly and the second support assembly are movably connected.

Further, both the first support assembly and the second support assembly are rigid support assemblies.

Further, the first support assembly is a wooden block support assembly composed of several parallel wooden blocks.

Further, the second support assembly is a steel pipe support assembly composed of several groups of double-row steel pipes arranged in parallel.

Further, the clamping assembly includes a clamping seat and a nut, the clamping seat is matched with the second support assembly; the nut is matched with the bolt body.

Further, the reinforcement device further includes a sealing assembly, the sealing assembly is symmetrically arranged on both sides of the board seam, and is placed between the bottom plate and the template.

Further, the sealing component is a sponge strip.

The technical scheme has the following advantages and beneficial effects:

A kind of reinforcement device with limit fixing is proposed. The limit bolt assembly composed of several bolts arranged side by side is horizontally framed on the end face of the adjacent bottom plate and successively penetrates the plate seam between the adjacent bottom plates and the template at the bottom of the plate seam. and double-layer support components, which can be moved in the plate joints; the limit bolt components are fixed by the clamping components to limit the left and right movement of the formwork, so as to avoid the influence between the bottom plate and the post-cast concrete due to the weak fixation of the formwork during the subsequent concrete pouring. At the same time, it can prevent the formwork from breaking down due to the gravity of the concrete; after pouring, the stop bolt assembly is surrounded by the concrete and solidifies with the concrete, which further increases the firmness of the connection between the bottom plate and the concrete; after pouring, it only needs to be disassembled The disassembly of the template can be completed by the clamping component and the supporting component. At the same time, the template, the supporting component and the clamping component can be used repeatedly for many times, which is convenient for construction, easy to operate, and has high safety. It is suitable for the bottom plate under various working conditions. Reinforcement method between board seams.

Description of drawings

FIG. 1 is a schematic diagram of the matching structure of a formwork reinforcement device for an assembled laminated floor slab base plate seam formwork according to an embodiment of the present invention;

Fig. 2 is the sectional structure schematic diagram of A-A of an embodiment of the present utility model;

3 is a front view of a card holder according to an embodiment of the present invention;

4 is a top view of a card holder according to an embodiment of the present invention;

5 is a schematic structural diagram of a reinforcement device after pouring concrete according to an embodiment of the present invention;

6 is a schematic structural diagram of the disassembly and assembly of the reinforcement device according to an embodiment of the present invention;

Fig. 7 is the sectional structure schematic diagram of A-A of the second embodiment of the present utility model;

8 is a schematic structural diagram of the reinforcement device after pouring concrete according to the second embodiment of the present invention;

FIG. 9 is a schematic structural diagram of the disassembly and assembly of the reinforcing device according to the second embodiment of the present invention.

In the picture:

1. Bolt 101, Bolt frame 102, Bolt body

2. Bottom plate 3. Plate seam 4. Sealing components

5. Template 6. Wooden square 7. Fasteners

8. Steel pipe 9. Card holder 901, Card slot

902, threaded hole 10, nut 11, concrete

Detailed ways

Below in conjunction with embodiment and accompanying drawing, the utility model is further described:

Example 1:

A formwork reinforcement device for prefabricated laminated floor slab bottom plate joints, as shown in Figure 1-2, comprising a bottom plate 2, the adjacent bottom plates 2 are arranged horizontally, and there is a plate gap 3 between the ends of the adjacent bottom plates 2 , a template 5 is arranged at the bottom of the board slot 3, and the width of the template 5 is greater than the width of the board slot 3. In this embodiment, the width of the board slot 3 between the adjacent bottom plates 2 is 300mm, and the width of the template 5 is selected to be 500mm , it can meet the blocking of the plate seam 3 by the template 5 and the blocking of the post-cast concrete 11 in the plate seam 3 . The reinforcement device further includes a limiting support assembly, a position bolt assembly and a clamping assembly. The support assembly is used to support the formwork 5; Internal movement; the clamping component is used to fix the limit bolt component to limit the left and right movement of the template 5.

Further, the limiting bolt assembly includes a plurality of bolts 1 arranged in parallel, and the bolts 1 are rigid parts, which can be prepared by profiles, and have high strength and good toughness. The bolt 1 includes a bolt frame 101 and a bolt body 102. The bolt frame 101 is vertically erected on the upper part of the plate slot 3, and the width of the bolt frame 101 is greater than the width of the plate seam 3. The bolt frame 101 can be a round profile, a square profile or Other profiles are not limited in this embodiment. The bolt frame 101 and one end of the bolt body 102 are welded and fixed integrally connected, and the other end of the bolt body 102 is provided with an external thread, which sequentially penetrates the plate seam 3, the template 5 and the support assembly, and is detachably connected to the clamping assembly. The bolt 1 includes at least one bolt body 102. In this embodiment, since the width of the plate seam 3 is only 300 mm, only the bolt 1 with one bolt body 102 needs to be selected, wherein the bolt frame 101 is round Shaped rebar, with a length of 500mm, spans the adjacent bottom plate 2, and is symmetrically erected on the upper part of the plate seam 3, the diameter of the bolt frame 101 is 12mm; the bolt body 102 is a screw rod, its diameter is 12mm, and the bolt body 102 One end of the bolt is welded to the middle of the bolt frame 101 and the bolt body 102 is welded to the bolt frame 101 vertically, as shown in the bolt 1 in FIG. 2 . Preferably, the entire outer ring of the bolt body 102 is provided with external threads. This structure is easy to make it penetrate the template 5 and the support assembly, which can not only increase the fixed friction between the bolt 1 and the template 5, but also facilitate the connection between the bolt 1 and the template 5. The bolts 1 arranged side by side can further increase the reinforcement of the formwork 5 to prevent it from moving left and right; at the same time, it can also increase the contact friction with the post-cast concrete 11 when it solidifies, so as to improve the Stability between pouring concrete 11.

Further, the support assembly includes a first support assembly and a second support assembly, the first support assembly and the second support assembly are sequentially arranged on the side of the template 5 away from the bottom plate 2, the first support assembly is arranged in parallel with the template 5, and the first support The assembly and the second support assembly are vertically crossed, and both the first support assembly and the second support assembly are rigid support assemblies. The setting of the rigid support components can improve the support force for the formwork 5 and the post-cast concrete 11 , and prevent the formwork 5 from being deformed by the weight and pressure of the concrete 11 and affecting the superimposed solidification effect of the bottom plate 2 and the concrete 11 . Preferably, the first support assembly is a wooden support assembly composed of several parallel wooden blocks 6, and is a steel pipe support assembly composed of several groups of double-row steel pipes 8 arranged in parallel. The wooden support assembly is vertically arranged with the steel pipe support assembly, and The wooden square support assembly and the steel pipe support assembly are movably connected.

The wooden squares 6 in the wooden square supporting assembly are fixedly installed at the bottom of the formwork 5 at intervals, and are arranged in parallel with the formwork 5 . The wooden block 6 and the formwork 5 are fixedly connected by the fastener 7. The fastener 7 penetrates the wooden block 6 and is embedded and fixed in the formwork 5. The fastener 7 is an anchor bolt, and the arrangement of the wooden block 6 can be based on the actual installation situation on site. To set, that is, to ensure that the template 5 is provided with a uniform support force, and to avoid the position of the bolt body 102 in the bolt 1 . The wooden square 6 is fixedly connected with the formwork 5 . This structure not only facilitates the overall loading and unloading of the formwork 5 but also makes it easy to move the formwork 5 as a whole to adjust the fit between it and the board seam 3 ; at the same time, the wooden square 6 can provide a balanced support to the formwork 5 In order to improve the toughness variable of the formwork 5 during the post-cast concrete 11 process, it can prevent it from being deformed too much by the gravity of the concrete 11 during the post-cast concrete 11 process, thereby affecting the overall solidification of the bottom plate 2 and the post-cast concrete 11 .

The steel pipe support assembly includes several groups of double-row steel pipes 8, one side of each group of steel pipes 8 is in contact with the wooden square 6, and the other side of the steel pipe 8 is clamped in the clamp 9, and the length of the steel pipe 8 is greater than the overall width of the wooden square support assembly. The steel pipe support components arranged side by side in both directions are not easy to deform and have high strength, provide rigid supporting force to the formwork 5 through the wooden side 6, and are fixedly connected to the bolt 1 through the integral cooperation of the clamp 9 and the nut 10, so that the formwork 5 is close to the bottom plate 2. Fixed, the setting of the double-layer support assembly further increases the fixed connection between the formwork 5 and the bottom plate 2, which is convenient for the construction of the subsequent pouring of the concrete 11. At the same time, the support of multiple sets of steel pipe support components can further reduce the deformation of the formwork 5, improve the support and fixation of the formwork 5 and the wooden support components, and facilitate the integrity and firmness of the subsequent integrated solidification between the concrete 11 and the bottom plate 2.

Further, the clamping assembly includes a clamping base 9 and a nut 10. The clamping base 9 is shown in Figures 3-4. The clamping base 9 is provided with a clamping slot 901 on the left and right sides. The threaded hole 902, wherein the clamping groove 901 is matched with the steel pipe support assembly, the threaded hole 902 is matched with the bolt body 102 in the bolt 1, and the nut 10 is also matched with the bolt body 102. The bolt body 102 passes through the inner threaded hole 902 in the middle of the card seat 9, and is then fixed by the nut 10.

Under the actual working conditions, there is a gap between the bottom plate 2 and the template 5, and the thickness of the gap is about 1 to 2 mm. It is necessary to have sealing components 4 on both sides of the plate gap 3, that is, between the bottom plate 2 and the template 5. In order to prevent the concrete grout from flowing out from the gap between the bottom plate 2 and the formwork 5 during the pouring process. Preferably, the sealing component 4 adopts a sponge strip with a thickness of 5 mm, and the sponge strip is applied between the bottom plate 2 and the formwork 5. After the sponge strip is compressed, the gap can be closed, so as to avoid the overflow of the concrete 11 and reduce the waste of the concrete 11. .

In this embodiment, the number of the bolts 1 is the same as that of the clamps 9 and the nuts 10 , and the number of the steel pipes 8 is twice the number of the bolts 1 . When the bolt 1 passes through the template 5 and passes through the wooden support assembly, it avoids the wooden 6, and the wooden 6 is symmetrically arranged on both sides of the bolt body 102. This setting can also achieve the purpose of fixing the template 5, and can also be in good condition. Save the use of wooden square 6.

The installation process is as follows: first weld and make several bolts 1; then fix the wooden squares 6 on the template 5 through the fasteners 7; then apply the sealing components 4 on both sides of the adjacent bottom plate 2 close to the board seam 3; then Adjust the template 5 so that the template 5 blocks the plate seam 3; make each bolt 1 pass through the plate seam 3, the template 5, and the wooden support assembly in turn, and then take out two steel pipes 8, so that the two steel pipes 8 are clamped respectively. In the two card slots 901 in the card seat 9, the bolt 1 is then passed through the inner threaded hole 902 in the card seat 9 and screwed and fixed with the nut 102, that is, the fixed installation of the bolt 1 and the template 5 is completed. Install the above steps, and then install the bolt 1 and the steel pipe 8, the clamp 9 and the nut 10 in sequence. Each board seam 3 only needs one template 5 and a pair of sealing components 4, and cooperates with multiple sets of bolts 1, wooden squares 6, steel pipes 8, clamps 9 and nuts 10 to form a reinforcement device, so that the template 5 is fixed on the bottom plate. 2 at the bottom for easy post-pour concrete 11.

After the installation is completed, pour concrete grout again, so that the concrete grout fills the slab joint 3 and is higher than the bolt 1, so that the bolt frame 101 in the bolt 1 is completely embedded in the concrete 11. Specifically, the reinforcement device after the concrete 11 is poured. The structure is shown in Figure 5. After the concrete 11 is solidified, the integrated device of the nut 10, the clamp 9, the steel pipe 8, the wooden square 6 and the formwork 5 can be removed in turn, and the disassembly of the entire reinforcement device can be completed. For the protruding concrete 11 The bolt body 102 on the bottom plane can be removed by an angle grinder, so that the concrete 11 and the bottom plane of the bottom plate 2 are flat, and the remaining bolts 1 are wrapped by the concrete 11 and solidified together with the concrete 11, and finally the structure after disassembling and assembling the reinforcement device As shown in Figure 6.

Embodiment 2:

Compared with the first embodiment, the biggest difference in this embodiment is that according to the change of the width of the plate seam 3, the bolt 1 includes two bolt bodies 102 arranged side by side, both of which are vertically welded on the bolt frame 101, and the bolt bodies 102 are Passing through the plate seam 3 , the template 5 , the wooden support assembly and the steel pipe support assembly in sequence, each bolt 1 only needs two steel pipes 8 and two sets of fixing assemblies to complete the fixing of the two parallel bolt bodies 102 . Several bolt bodies 102 need to be set for the specific bolt 1, which is related to the width of the slab seam 3, the dimensions of the bolt frame 101 and the bolt body 102, and also related to the strength grade requirements of the laminated floor, which can be determined according to the specific situation. do request. Accordingly, the arrangement of the wooden squares 6 needs to be adjusted to avoid the position of the bolt body 102 . In this embodiment, the structure of the reinforcement device after concrete 11 is poured and the structure after the final disassembly and assembly of the reinforcement device are shown in Figures 5 and 6, respectively. It is the same as the first embodiment and will not be described in detail here.

The reinforcement device designed by the utility model is easy to install and disassemble, and except for the bolt 1 embedded in the concrete 11, all other components can be reused, and the utilization rate is high; It is also not limited by the working conditions to complete the disassembly and assembly work, with convenient construction and high work efficiency; the entire installation or disassembly process is safe and controllable, and the overall reinforcement work can be quickly adjusted; all bolts 1 span adjacent The bottom plate 2 is solidified with the concrete 11. This structure can further ensure the integrity and connection firmness between the bottom plate 2 and the post-cast concrete 11, which not only ensures the quality of the project, but also reduces the production cost.

The technical scheme has the following advantages and beneficial effects:

A kind of reinforcement device with limit fixing is proposed. The limit bolt assembly composed of several bolts arranged side by side is horizontally framed on the end face of the adjacent bottom plate and successively penetrates the plate seam between the adjacent bottom plates and the template at the bottom of the plate seam. and double-layer support components, which can be moved in the plate joints; the limit bolt components are fixed by the clamping components to limit the left and right movement of the formwork, so as to avoid the influence between the bottom plate and the post-cast concrete due to the weak fixation of the formwork during the subsequent concrete pouring. At the same time, it can prevent the formwork from breaking down due to the gravity of the concrete; after pouring, the stop bolt assembly is surrounded by the concrete and solidifies with the concrete, which further increases the firmness of the connection between the bottom plate and the concrete; after pouring, it only needs to be disassembled The disassembly of the template can be completed by the clamping component and the supporting component. At the same time, the template, the supporting component and the clamping component can be used repeatedly for many times, which is convenient for construction, easy to operate, and has high safety. It is suitable for the bottom plate under various working conditions. Reinforcement method between board seams.

The embodiments of the present invention have been described in detail above, but the content is only a preferred embodiment of the present invention, and cannot be considered to limit the scope of implementation of the present invention. All equivalent changes and improvements made according to the scope of the application of the present utility model should still belong to the scope of the patent of the present utility model.

Claims (10)

1. A plate seam template reinforcing device for a bottom plate of an assembled composite floor slab comprises a bottom plate and is characterized in that plate seams are arranged at the end parts of the bottom plates which are horizontally arranged adjacently, templates are arranged at the bottoms of the plate seams, and the width of each template is larger than that of each plate seam; the reinforcing device further comprises a supporting component, a limiting bolt component and a clamping and fixing component, wherein the supporting component is used for supporting the template, and the limiting bolt component sequentially penetrates through the plate seam, the template and the supporting component and can move in the plate seam; the clamping and fixing component is used for fixing the limiting bolt component to limit the template to move left and right.

2. The reinforcement device for the plate seam templates of the assembled composite floor slab as claimed in claim 1, wherein the limiting bolt assembly comprises a plurality of bolts arranged in parallel, the bolts comprise a bolt frame and a bolt body, the bolt frame is integrally connected with one end of the bolt body, and the other end of the bolt body is provided with an external thread; the bolt piece comprises at least one bolt body.

3. The reinforcement device for the bottom plate seam template of the assembled composite floor slab as claimed in claim 2, wherein the support assembly comprises a first support assembly and a second support assembly, the first support assembly and the second support assembly are sequentially arranged on the side of the template away from the bottom plate, the first support assembly and the template are arranged in parallel, and the first support assembly and the second support assembly are arranged vertically.

4. The reinforcement device for the slab joint formwork of the assembled composite floor slab as claimed in claim 3, wherein the first supporting component is fixedly connected with the formwork through a fastener, and the first supporting component is movably connected with the second supporting component.

5. The reinforcement device for assembled composite floor slab seam formworks as claimed in claim 4, wherein the first support member and the second support member are both rigid support members.

6. The reinforcement device for the slab joint formwork of the assembled composite floor slab as claimed in claim 5, wherein the first support component is a batten support component formed by a plurality of battens arranged in parallel.

7. The reinforcement device for the slab joint formwork of the assembled composite floor slab as claimed in claim 5, wherein the second support component is a steel pipe support component formed by arranging a plurality of groups of double-row steel pipes in parallel.

8. The reinforcement device for the slab joint formwork of the assembled composite floor slab as claimed in claim 3, wherein the clamping component comprises a clamping seat and a nut, and the clamping seat is matched with the second support component; the nut is matched with the bolt body.

9. The reinforcement device for the slab joint formwork of the assembled composite floor slab as claimed in any one of claims 1 to 8, further comprising sealing components symmetrically arranged on two sides of the slab joint and arranged between the slab and the formwork.

10. The reinforcement device for the slab joint formwork of the assembled laminated floor slab as claimed in claim 9, wherein the sealing component is a sponge strip.

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