CN207063267U - For making the connection component of superimposed sheet - Google Patents

Abstract

The utility model discloses a connecting assembly for making a laminated plate. The connecting assembly includes a supporting plate and a plurality of hanging molds. The two prefabricated panels are abutted; the upper end of the screw rod is fixed on the tensile member, and the lower end is pierced with a supporting plate; the locking member is sleeved on the lower end of the screw rod, and the locking member is threadedly connected with the screw rod; the first sleeve, It is sleeved on the screw rod and located above the supporting plate. When concrete is poured in the strip space, the first casing is embedded in the poured concrete. Since the screw rod is arranged in the first sleeve and can be pulled out freely from the first sleeve, the solidified concrete will not restrict the extraction of the screw rod, so that the screw rod can be pulled out from the first sleeve when the connection assembly is disassembled Only the first casing is left in the concrete, which avoids the waste of materials caused by the inability of the screw to be pulled out from the concrete.

Description

Connection components for making laminated panels

technical field

The utility model relates to the technical field of building construction, in particular to a connection assembly for making laminated panels.

Background technique

Concrete composite slab is an assembled integral structure composed of prefabricated prestressed concrete floor (or called prefabricated slab) and cast-in-place concrete layer (cast-in-place slab), which has good integrity and earthquake resistance. The concrete laminated slab saves the formwork in the construction, speeds up the construction progress, and thus reduces the engineering cost.

At present, the technological process of making concrete laminated slabs at the construction site is as follows: laying prefabricated slabs on the construction site, pouring concrete on the prefabricated slabs, and forming cast-in-place slabs after the cast-in-place concrete solidifies.

In the process of laying prefabricated slabs, due to the mismatch between the size of the construction site and the size of the prefabricated slabs, there will be a large gap between the last two prefabricated slabs laid, and it is necessary to fill the gaps with concrete when pouring concrete.

In order to make the concrete fill the space, in the prior art, the steel bars are used to hang the bottom form on the prefabricated slab with steel bars, but after the concrete is poured, the steel bars cannot be removed, which is more wasteful.

Utility model content

Aiming at the defects existing in the prior art, the embodiment of the utility model provides a connecting assembly for making laminated boards.

In order to solve the problems of the technologies described above, the technical solution adopted by the embodiments of the utility model is:

A connection assembly for making laminated panels, which is used to be installed on two prefabricated panels formed with strip-shaped gaps, the connection assembly includes a supporting plate and a plurality of The hanging form, the supporting plate is used to abut against the bottoms of the two prefabricated slabs to block the strip-shaped space, each of the hanging forms includes:

Tensile members, which are used to abut against the upper parts of the two prefabricated panels;

The upper end of the screw is fixed on the tensile member, and the lower end is used to pass through the supporting plate;

A locking piece, which is sleeved on the lower end of the screw and located below the supporting plate, the locking piece is threadedly connected with the screw, and the locking piece is screwed so that the supporting plate is tightly against on said prefabricated slab;

The first casing is sleeved on the screw rod and located above the supporting plate. When concrete is poured in the strip-shaped space, the first casing is embedded in the poured concrete.

Preferably, two push rods are formed on the tensile member, and the tensile member abuts against the upper parts of the two prefabricated panels respectively through the two push rods, and the two push rods are sleeved There are second casings, so that when the concrete is poured on the prefabricated slab to form a cast-in-place slab, two of the second casings are embedded in the cast-in-place slab.

Preferably, the tensile member is rod-shaped, and the two push rods are arranged at both ends of the tensile member and are perpendicular to the tensile member.

Preferably, the connection assembly further includes two pads, the two pads are arranged below the pallet in parallel, and are respectively opposite to the two prefabricated panels; each of the hanging forms also includes Connecting piece; the overlapping piece is used to overlap on the two pads and is located under the padding strip, the screw rod passes through the overlapping piece, and the locking piece is located at the overlapping Below the part, the locking part is screwed so as to push the supporting plate against the prefabricated slab through the overlapping part.

Preferably, the bridging member is formed by folding a steel bar in half, and the lower end of the screw passes through the gap between two sections formed by folding the steel bar in half.

Preferably, the locking member includes a main body portion provided with a threaded hole and stopper portions disposed on two opposite sides of the main body portion.

Preferably, the push rod is fixedly connected to the tensile member by welding, and the screw rod is fixedly connected to the tensile member by welding.

The utility model also discloses a method for making a laminated board, which includes the following steps:

S10: laying prefabricated panels on the building;

S20: the above-mentioned connection assembly for making the laminated board is installed on two prefabricated boards formed with strip-shaped gaps, wherein the S20 step includes:

S21: setting the supporting plate on the lower part of the two prefabricated plates to block the strip-shaped space;

S22: Make the tension member fixedly connected with the screw rod and the ejector rod be arranged along the extending direction of the strip-shaped space;

S23: set the first sleeve on the screw, and make the lower end of the screw pass through the supporting plate, so that the locking member is sleeved on the lower end of the screw, and respectively set the second sleeve on the two push rods;

S24: Tighten the locking part, so that the supporting plate is pressed against the two prefabricated plates;

S30: pouring concrete in the strip space and the prefabricated slab, and curing the poured concrete to form a cast-in-place slab;

S40: Unscrewing the locking member from the lower end of the screw rod, and lifting the tension member, so that the screw rod is disengaged from the first sleeve, and the ejector rod is disengaged from the second sleeve.

Preferably, after step S40, step S50 is also included:

Smooth the upper surface of the cast-in-place slab with concrete whose grade is higher than that of the cast-in-place slab.

Preferably, the following steps are also included between step 40 and step 50: if the first sleeve protrudes from the upper surface of the cast-in-place slab, cut off the protruding part; if the second sleeve protrudes from the cast-in-place slab On the upper panel, cut off the protruding part.

Compared with the prior art, the beneficial effect of the connection assembly for making laminated panels provided by the embodiment of the utility model is: when the concrete is solidified, the first casing is buried in the concrete, and since the screw rod is arranged in the first set tube and can be freely pulled out from the first sleeve, so the solidified concrete will not restrict the extraction of the screw, so that when the connection assembly is disassembled, the screw can be pulled out from the first sleeve, leaving only the first set The tube is in the concrete, which avoids the waste of material caused by the screw being unable to be pulled out from the concrete.

Description of drawings

Fig. 1 is a schematic diagram of the structure of the connection assembly used to make the laminated slab installed on the prefabricated slab provided by the embodiment of the present invention, wherein the prefabricated slab has not yet poured concrete.

Fig. 2 is a view along the direction A of Fig. 1 .

Fig. 3 is a view taken along direction B of Fig. 1 .

Fig. 4 is a structural schematic diagram of a locking member in a connecting assembly for making a laminated board provided by an embodiment of the present invention.

Fig. 5 is a schematic diagram of the structure of the connection assembly used to make the laminated slab installed on the prefabricated slab provided by the embodiment of the present invention, wherein the prefabricated slab is poured with concrete.

In the picture:

10-Tension member; 20-Screw; 30-Pallet; 40-Locking part; 41-Main part; 42-Stop part; 50-Pad; The first sleeve; 90-the second sleeve; 100-prefabricated board; 200-strip space; 300-cast-in-place board.

Detailed ways

In order to enable those skilled in the art to better understand the technical solution of the utility model, the utility model will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

As shown in FIG. 1 to FIG. 3 , an embodiment of the present invention discloses a connection assembly, which is used to be installed on two prefabricated panels 100 formed with a strip-shaped gap 200 . The connection assembly specifically includes a pallet 30 and a plurality of hanging forms. Supporting plate 30 is elongated, and its width is greater than the width of strip-shaped space 200, and supporting plate 30 can be made by plank, composite board, iron plate, and supporting plate 30 is arranged on the below of two prefabricated plates 100 and with strip-shaped space The shelves 200 block the strip-shaped space 200 relative to each other, and the two sides of the supporting plate 30 in the width direction abut against the two prefabricated slabs 100 respectively. A plurality of hanging forms are arranged along the direction in which the strip-shaped space 200 extends, and each hanging form includes a tensile member 10, a screw 20, a locking member 40 and a first sleeve 80; the tensile member 10 is arranged on two prefabricated panels 100 Above, the tensile member 10 is used to directly or indirectly abut two prefabricated panels 100; the upper end of the screw 20 is fixed on the tensile member 10, and the lower end of the screw 20 passes through the supporting plate 30; 40 sets of locking members Located at the lower end of the screw rod 20 and below the supporting plate 30, the locking member 40 is screwed to the screw rod 20, and the locking member 40 is pushed upward against the supporting plate 30 by rotating the locking member 40 to adjust the tension between the supporting plate 30 and the supporting plate 30. The distance between the parts 10, so that the tensile parts 10 and the supporting plate 30 are pressed against the prefabricated plate 100 respectively; the first sleeve 80 is sleeved on the screw 20 and is located above the supporting plate 30, the first sleeve 80 A large gap is formed between the inner hole wall and the screw rod 20, so that the screw rod 20 can freely pass through the first sleeve 80 or be freely pulled out from the first sleeve 80, and the length of the first sleeve 80 It should be satisfied that after the concrete is poured in the strip space 200, the upper end of the first sleeve 80 is higher than the upper surface of the poured concrete, so that after the concrete is poured, the concrete will not enter the inner hole wall of the first sleeve 80 and In the gap formed by the screw 20 , the screw 20 can still be pulled out freely from the first sleeve 80 .

When the connection assembly of the above structure is installed at the strip space 200 of the two prefabricated slabs 100 so that the supporting plate 30 blocks the strip space 200, the concrete is poured in the strip space 200, and when the concrete solidifies, the The connection of two prefabricated panels 100 is realized.

The utility model has the advantages that: after the concrete is solidified, the first casing 80 is buried in the concrete, since the screw 20 is arranged in the first casing 80 and can be pulled out freely from the first casing 80, therefore, The solidified concrete will not restrict the extraction of the screw rod 20, so that when the connection assembly is disassembled, the screw rod 20 can be pulled out from the first sleeve 80, leaving only the first sleeve 80 in the concrete, which avoids that the screw rod 20 cannot be removed from the concrete. Pull out and cause waste of material.

Just can finish the making of laminated slab in order to carry out one assembly and disassembly of above-mentioned connection assembly, that is, just can finish the pouring of strip space 200 and the pouring of cast-in-place slab 300 on prefabricated slab 100 by one assembly and disassembly of connection assembly, make The distance from the tension member 10 to the prefabricated slab 100 is greater than the thickness of the cast-in-place slab 300 to be poured. Specifically, as shown in FIG. 1 , two push rods 70 are arranged on the tensile member 10 , and the lower ends of the two push rods 70 respectively abut against the two prefabricated panels 100 on both sides of the strip-shaped space 200 , and The height of the push rod 70 needs to make the distance from the lowest part of the tension member 10 to the upper surface of the prefabricated slab 100 greater than the thickness of the cast-in-place slab 300, and the second sleeve 90 is sleeved on the two push rods 70 respectively. , the length of the first sleeve 80 and the second sleeve 90 should be such that when the cast-in-place slab 300 is poured, the upper ends of the first sleeve 80 and the second sleeve 90 should be higher than the upper surface of the cast-in-place slab 300 . In this way, as shown in Figure 5, when the first sleeve 80 and the second sleeve 90 are sleeved on the screw 20 and the ejector rod 70 respectively, and after the supporting plate 30 blocks the strip-shaped space 200, it will move toward the strip-shaped space. Concrete is poured in the stall 200, and after the concrete is filled with the strip gap 200, continue to pour concrete on all the prefabricated slabs 100 until the thickness of the poured concrete meets the thickness requirements of the cast-in-place slab 300. After the concrete is solidified, the prefabricated slab The concrete above 100 forms the cast-in-place slab 300 of the laminated slab. In this way, when the concrete is solidified, the first casing 80 and the second casing 90 are buried in the concrete, and the screw 20 and the ejector rod 70 are respectively penetrated in the first casing 80 and the second casing 90, and The first sleeve pipe 80 and the second sleeve pipe 90 are all higher than the poured concrete, therefore, the screw rod 20 and the push rod 70 are not restricted by the solidified concrete, and can be pulled out from the first sleeve pipe 80 and the second sleeve pipe 90 . In this embodiment, due to the provision of the push rod 70, the tensile member 10 is at least one cast-in-place slab 300 thicker than the prefabricated slab 100, so that the filling of the strip-shaped gap 200 and the cast-in-place slab are completed through one pouring. 300's of molding. In order to reduce the cost, the first sleeve 80 and the second sleeve 90 are made of plastic sleeves.

The tensile member 10 can have various structures, for example, the tensile member 10 is a plate-shaped structure. In order to save materials and the process of making the tension member 10, as shown in Figure 1 and Figure 2, the tension member 10 is a rod-shaped structure, for example, select a steel bar as the tension member 10, and select another two equal lengths The steel bar is used as the push rod 70, and the two push rods 70 are fixed on the two ends of the tension member 10 by welding, and the screw rod 20 is fixed on the middle part of the tension member 10 by welding, so that two push rods 70 and a screw rod 20 are welded The tension member 10 is in an inverted "mountain" shape.

In order to prevent the locking member 40 in the tightened state from directly acting on the supporting plate 30 and causing the supporting plate 30 to deform, in a preferred embodiment of the present invention, as shown in FIG. The lower part of the two prefabricated parts is provided with pad strips 50; the screw rod 20 passes through the supporting plate 30 and then passes through a lapping piece 60, the locking piece 40 is located under the lapping piece 60, and the two lapping pieces 60 The ends abut on the two pads 50 respectively. In this way, when the locking member 40 is tightened, the force exerted by the locking member 40 is transmitted to the spacer 50 through the bridge member 60, and then transmitted to the prefabricated panel 100 through the spacer 50, thereby preventing the force exerted by the locking member 40. The force is directly transmitted to the supporting plate 30 to deform the supporting plate 30. There are various structures of the locking member 40 and the bridge member 60. In this embodiment, as shown in FIG. As shown in Figure 3, the bridge member 60 is formed by folding a steel bar in half, and the lower end of the screw rod 20 passes through the gap between the two sections formed by folding the steel bar in half. The stop portion 42 on the locking member 40 can prevent the locking member 40 from protruding into the hole through which the screw rod 20 penetrates as a whole, resulting in failure to complete the tightening. The bridge member 60 in this embodiment is simple to manufacture and easy to use.

The utility model also discloses a method for making a laminated plate. Before implementing the above method, the above-mentioned connection assembly is prefabricated. Specifically, a first-grade steel bar with a diameter of 20 mm and a length of 500 mm is selected as the tension member 10. A screw rod 20 with a diameter of 20 mm and a length of 330 mm; two primary steel bars with a diameter of 20 mm and a length of 170 mm are used as the two push rods 70, and the upper ends of the screw rods 20 are welded to the middle part of the tension member 10. The upper end of a push rod 70 is welded on the two sections of the tension member 10, so that the outside of the welded tension member 10 forms an inverted "mountain" shape; a supporting plate 30 is cut; a locking member 40 is produced; a One plastic sleeve is used as the first sleeve 80, and two plastic sleeves are selected as the second sleeve 90; two pads 50 are prepared; and the lap joints 60 corresponding to the number of 10 tensile parts are prepared.

The manufacturing method of the laminated board of the present utility model specifically comprises the following steps:

S10: Tiling the prefabricated panels 100 sequentially on the building; if a strip-shaped gap is formed between two adjacent prefabricated panels 100, the following steps are implemented; if no strip-shaped gap is formed between two adjacent prefabricated panels, then Concrete is poured directly on the laid prefabricated slab 100 , and the cast-in-place slab 300 is formed after the poured concrete solidifies.

It should be noted that since the size of the construction site does not match the size of the prefabricated slab 100 in most cases, after the prefabricated slab 100 is laid, there will often be a strip-shaped gap between at least two prefabricated slabs 100 300, and a strip gap 300 is usually formed between the last two precast slabs 100 laid.

S20: above-mentioned connection assembly is installed on the two prefabricated boards 100 that are formed with strip space 200, and wherein, S20 step specifically comprises:

S21: set the supporting plate 30 on the lower part of the two prefabricated plates 100 to block the strip space 200; (

S22: arrange the tensile member 10 welded with the screw rod 20 and the push rod 70 along the extension direction of the strip-shaped space 200;

S23: Set the first sleeve 80 on the screw 20, set the second sleeve 90 on the two push rods 70 respectively, and make the lower end of the screw 20 pass through the supporting plate 30 and the bridge piece 60, so that the two The lower ends of the ejector rods 70 respectively abut against the upper surfaces of the two prefabricated panels 100 , so that the locking member 40 is sleeved on the lower ends of the screw rods 20 ;

S24: Place pad strips 50 respectively at the positions where the supporting plate 30 abuts with the two prefabricated panels 100, make the two ends of the lap joint 60 abut against the two pad strips 50 respectively, tighten the locking member 40, and make the lap joint The member 60 presses the supporting plate 30 through the spacer 50, so that both sides of the supporting plate 30 are pressed against the two prefabricated panels 100. Pressing against the prefabricated slabs 100 makes the pallet 30 abut against the two prefabricated slabs 100 .

S30: As shown in Figure 5, concrete is poured in the strip gap 200 and on the prefabricated slab 100, and the poured concrete is maintained, and the solidified concrete above the prefabricated slab 100 forms the cast-in-place slab 300 of the laminated slab.

S40: Unscrew the locking member 40 from the lower end of the screw rod 20, and lift the tension member 10, so that the screw rod 20 and the two push rods 70 are respectively pulled out from the first sleeve 80 and the second sleeve 90, and then The part of the first sleeve 80 and the second sleeve 90 protruding from the upper surface of the cast-in-place slab 300 is cut off.

S50: Smooth the upper surface of the cast-in-place slab 300 with concrete whose label is higher than that of the cast-in-place slab 300 .

The above embodiments are only exemplary embodiments of the utility model, and are not used to limit the utility model, and the protection scope of the utility model is defined by the claims. Those skilled in the art can make various modifications or equivalent replacements to the utility model within the spirit and protection scope of the utility model, and such modifications or equivalent replacements should also be deemed to fall within the protection scope of the utility model.

Claims (7)

1. a kind of connection component for being used to make superimposed sheet, for being installed in two prefabricated boards formed with strip neutral gear, its It is characterised by, the connection component includes supporting plate and hangs mould, the support along the multiple of strip neutral gear bearing of trend arrangement Plate is used to abut with the bottom of two prefabricated boards, to block the strip neutral gear, it is each described in hang mould and include：

Part is born, it is used to abut with the top of two prefabricated boards；

Screw rod, its upper end be fixed on it is described bear on part, its lower end wears the supporting plate；

Locking member, it is set in the lower end of the screw rod and positioned at the lower section of the supporting plate, the locking member and the screw rod spiral shell Line connects, and the locking member is by screwing so that the supporting plate is tight against on the prefabricated board；

First sleeve, it is set on the screw rod and positioned at the top of the supporting plate, when concreting is empty in the strip When in shelves, the first sleeve is embedded in poured concrete.

2. the connection component according to claim 1 for being used to make superimposed sheet, it is characterised in that described bear is formed on part There are two push rods, the part that bears is abutted by top of two push rods respectively with two prefabricated boards, described in two The second sleeve pipe is arranged with push rod, with when the concreting is when on the prefabricated board to form Bars In Poured Concrete Slab, described in two Second sleeve pipe is embedded in the Bars In Poured Concrete Slab.

3. the connection component according to claim 2 for being used to make superimposed sheet, it is characterised in that the part that bears is in bar Shape, two push rods be arranged at the both ends for bearing part and with described to bear part vertical.

4. the connection component according to claim 1 for being used to make superimposed sheet, in addition to two filler strips, two filler strips The lower section of the supporting plate is set in parallel in, and it is relative with two prefabricated boards respectively；Hanging mould described in each also includes bridge piece, The bridge piece is used to be overlapped on two filler strips and wears the overlap joint positioned at the lower section of the filler strip, the screw rod Part, the locking member are located at the lower section of the bridge piece, and the locking member is screwed to push against the supporting plate by the bridge piece Tight against the prefabricated board.

5. the connection component according to claim 4 for being used to make superimposed sheet, the bridge piece is by a reinforcing bar doubling shape The gap between two sections formed after wearing the reinforcing bar doubling into the lower end of, the screw rod.

6. the connection component according to claim 1 for being used to make superimposed sheet, the locking member include offering screwed hole Main part and be arranged at the stopper sections of the relative both sides of the main part.

Be used to making the connection component of superimposed sheet 7. according to claim 3, the push rod by welding manner with it is described Bear part to be fixedly connected, the screw rod is fixedly connected by welding manner with the part that bears.