CN215211793U - Connection structure of coincide floor - Google Patents
Connection structure of coincide floor Download PDFInfo
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- CN215211793U CN215211793U CN202120926808.8U CN202120926808U CN215211793U CN 215211793 U CN215211793 U CN 215211793U CN 202120926808 U CN202120926808 U CN 202120926808U CN 215211793 U CN215211793 U CN 215211793U
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- retaining member
- slabs
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Abstract
The utility model discloses a connection structure of coincide floor, including at least two side by side distribution in same horizontal plane and the superimposed sheet that the connection of laminating in proper order, the prefabricated layer top surface of two adjacent superimposed sheets is provided with the pouring that is linked together and caves in. This connection structure of coincide floor is through offering the pouring that is linked together on the prefabricated layer of two adjacent superimposed sheets sunken for the concrete of pouring links adjacent superimposed sheet integratively, realizes common atress, thereby strengthens this connection structure of coincide floor's steadiness.
Description
Technical Field
The utility model belongs to the technical field of the superimposed sheet technique and specifically relates to a connection structure of coincide floor is related to.
Background
The laminated floor slab is an integral assembled floor slab formed by laminating precast slabs and cast-in-place concrete layers, has good integrity, smooth upper and lower surfaces of the slab, is convenient for finishing of a finish coat, and is suitable for high-rise buildings and large-bay buildings with higher integral rigidity requirements.
In order to reduce the cost of transportation, chinese utility model patent that publication number is CN210086611U discloses a prefabricated superimposed sheet, including long banding superimposed sheet body and the truss of setting on the superimposed sheet body, the truss includes connecting rod and a plurality of V type stirrup, the most advanced fixed connection of connecting rod and stirrup, the bottom of stirrup is pre-buried at the superimposed sheet originally internally, this internal many holding steel that still is provided with of superimposed sheet, many holding steel set up along this length direction of superimposed sheet and its both ends all stretch out the both ends of superimposed sheet body, this prefabricated superimposed sheet adopts truss and holding steel to replace the support billet in the common superimposed sheet, lighten the dead weight, thereby reduction in production cost, improve production efficiency and conveying efficiency.
When the composite floor slabs are used for construction, two adjacent composite floor slabs are two separated individuals, so that each composite floor slab is stressed independently, and the stability of the integral construction structure of the composite floor slabs is reduced; in addition, in the work progress, the clearance between the adjacent coincide floor is too big, when leading to concreting, and the concrete is easy to be followed the seepage in the clearance, reduces the efficiency of construction and increases the concrete volume to increase manufacturing cost.
Therefore, there is a need for an improved composite floor slab connection structure in the prior art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the defect that exists among the prior art, provide a connection structure of the coincide floor of firm and leak protection thick liquid of structure.
In order to realize the technical effects, the utility model adopts the technical scheme that: the utility model provides a connection structure of coincide floor, includes that at least two distribute side by side in same horizontal plane and laminate the superimposed sheet of connecting in proper order, the prefabricated layer top surface of two adjacent superimposed sheets is provided with the pouring that is linked together sunken.
Preferably, in order to increase the number of the pouring recesses for the purpose of enhancing the connection between the concrete and the two adjacent laminated slabs, the pouring recesses are provided in plurality and are distributed at intervals in the length direction of the prefabricated layer.
Preferably, in order to increase the contact area between the poured concrete and the laminated slab and to strengthen the connection between the concrete and the laminated slab, the pouring recess is in the shape of a strip.
Preferably, in order to strengthen the fixed shaping back of concrete, be located the connection between the sunken part of pouring and the prefabricated layer, be provided with spacing arch on the sunken lateral wall of pouring, spacing arch with there is the clearance in the sunken diapire of pouring.
Preferably, for the convenience of the location connection of two adjacent superimposed sheets, prevent that two superimposed sheets from taking place to slide on its length direction and squint or misplace, be provided with the setting element between two adjacent superimposed sheets, and its binding face all is provided with the location sunken, the both ends of setting element respectively with two the cooperation of pegging graft is sunken in the location of superimposed sheet.
Preferably, in order to reinforce the connection between two adjacent laminated slabs, reduce the gap between the two laminated slabs and prevent slurry leakage, a locking assembly is arranged between one steel bar truss of one laminated slab and one steel bar truss of the other laminated slab in the two adjacent laminated slabs; locking Assembly includes two retaining members and sets up in two connecting piece between the retaining member, two the retaining member is along two steel bar truss's distribution direction relative slip sets up, the connecting piece is connected with two the retaining member is fixed in two respectively fixed unit on the steel bar truss.
Preferably, in order to lock two retaining members on the steel bar truss of two superimposed sheets, fixed unit includes the swivel nut, swivel nut screw-thread fit have with connecting piece fixed connection's screw rod, at least one retaining member with connecting piece sliding fit, the retaining member set up in between swivel nut and another retaining member.
Preferably, in order to conveniently drive the threaded sleeve to rotate, the outer edge of the threaded sleeve is provided with an operation protrusion.
Preferably, in order to reinforce the connection between the locking member and the steel bar truss, the locking members are provided with locking openings, and the locking openings of the locking members are opposite.
Preferably, in order to increase the number of the locking assemblies and reinforce the connection between the two laminated plates, the locking assemblies are arranged in a plurality and are distributed at intervals along the length direction of the prefabricated layer.
To sum up, the utility model discloses the connection structure of coincide floor is sunken through the pouring of seting up being linked together on the prefabricated layer of two adjacent superimposed sheets for the concrete of pouring links adjacent superimposed sheet as an organic whole, realizes common atress, thereby strengthens this coincide floor connection structure's steadiness.
Drawings
FIG. 1 is a schematic structural view of example 1;
FIG. 2 is a schematic structural view of example 2;
FIG. 3 is an exploded schematic view of FIG. 2;
FIG. 4 is an enlarged view of portion A of FIG. 3;
FIG. 5 is a schematic structural view of example 3;
FIG. 6 is a schematic structural view of a locking assembly of embodiment 3;
in the figure: 1. the composite slab comprises a laminated slab, a prefabricated layer 1a, a steel bar truss 1b, stressed steel bars 1c, a pouring recess 1-1, a limiting protrusion 1-2, a positioning recess 1-3, a positioning piece 2, a locking assembly 3, a locking piece 3a, a locking opening 3a-1, a connecting piece 3b, a threaded sleeve 3c, a screw rod 3d, an operating protrusion 3e and a sliding ring 3f.
Detailed Description
The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Example 1
As shown in fig. 1, the connection structure of the composite floor slab of embodiment 1 includes two composite slabs 1 that are distributed side by side on the same horizontal plane and are jointed, the bottom of the composite slab 1 is a prefabricated layer 1a, a plurality of stressed steel bars 1c that are consistent with the length direction of the prefabricated layer 1a are distributed side by side in the prefabricated layer 1a along the width direction of the prefabricated layer, the stressed steel bars 1c penetrate through the prefabricated layer 1a, the composite slab 1 further includes two steel bar trusses 1b that are distributed side by side and are consistent with the prefabricated layer 1a in the length direction, the lower chord steel bars of the steel bar trusses 1b and the lower portions of the two chord steel bars are embedded in the prefabricated layer 1a, and the upper portions of the chord steel bars and the upper chord steel bars are located above the prefabricated layer 1 a; a plurality of long-strip-shaped pouring recesses 1-1 are distributed on two sides of the top surface of the prefabricated layer 1a along the length direction of the prefabricated layer, the pouring recesses 1-1 extend to the binding surface of the prefabricated layer, and after the two laminated slabs 1 are spliced, the pouring recesses 1-1 on the prefabricated layer 1a are communicated.
In the composite floor slab connection structure of the embodiment, after the two composite slabs 1 are attached to each other, the casting depressions 1-1 on the prefabricated layers 1a in the two composite slabs 1 are communicated in a one-to-one correspondence manner, so that when concrete is poured, the concrete is filled into the casting depressions 1-1 on the two composite slabs 1 which are communicated, after the concrete is cured and molded, the two spliced composite slabs 1 are connected into a whole by the concrete, so that the common stress of the two composite slabs 1 is realized, and the stability of the connection structure is enhanced.
The pouring recess 1-1 is in a strip shape and is provided with a plurality of recesses, so that the contact area between poured concrete and the two laminated slabs 1 is increased, and the stability of the connecting structure of the two laminated slabs 1 is strengthened.
In this embodiment, the number of the stacked slabs 1 may be other numbers, and it is only necessary to ensure that the stacked slabs 1 are sequentially attached and connected and the pouring recesses 1-1 communicating with each other are formed in the adjacent stacked slabs 1.
Example 2
As shown in fig. 2 to 4, the connection structure of the composite floor slab of embodiment 2 is based on embodiment 1, and is different in that the joint surfaces of the two composite slabs 1 are respectively provided with positioning recesses 1 to 3, the positioning recesses 1 to 3 are positioning holes, a positioning member 2 is arranged between the two composite slabs 1, the positioning member 2 is a positioning shaft, two ends of the positioning member 2 are respectively in insertion fit with the positioning recesses 1 to 3 of the two composite slabs 1, and after the two composite slabs 1 are spliced, the positioning member 2 is accommodated in a cavity surrounded by the positioning recesses 1 to 3 of the two composite slabs 1; the side wall of the pouring recess 1-1 is provided with a limiting bulge 1-2, and a gap exists between the limiting bulge 1-2 and the bottom wall of the positioning recess 1-3.
Compared with the embodiment 1, the embodiment avoids the situations of deviation or sliding in the length direction of the two laminated slabs 1 after the two laminated slabs 1 are attached through the positioning piece 2 and the positioning depressions 1-3, so that the two laminated slabs 1 are aligned and spliced all the time; in addition, the side wall of the pouring recess 1-1 is provided with the limiting protrusion 1-2 with a gap with the bottom wall, when concrete is poured, part of the concrete enters the lower part of the limiting protrusion 1-2 in the pouring recess 1-1, and after the concrete is solidified and formed, the concrete cannot be separated from the pouring recess 1-1, so that the connection between the concrete and the prefabricated layer 1 is reinforced, and the stability of the connection structure is ensured.
Example 3
As shown in fig. 5 and 6, the connection structure of the composite floor slab of embodiment 3 is based on embodiment 2, and is different in that a locking assembly 3 is provided between two composite slabs 1, the locking assembly 3 includes two locking members 3a and a connecting member 3b provided between the two locking members 3a, the two locking members 3a are horizontally distributed and slidably provided in a direction perpendicular to a length direction of the composite slabs 1, the locking members 3a are locking hooks having locking openings 3a-1, the locking openings 3a-1 of the two locking members 3a are oppositely provided, the connecting member 3b is a connecting rod, one end of the connecting member 3 is fixedly connected to one of the locking members 3a, the other end thereof is slidably fitted with a sliding ring 3f fixedly connected to the other locking member 3a, and a fixing unit is connected to the fixing unit, the fixing unit is used for fixing the two locking members 3a to steel bar trusses 1b on the two composite slabs 1 respectively, the fixing unit comprises a screw rod 3d fixedly connected with the connecting piece 3b, a threaded sleeve 3c is in threaded fit with the screw rod 3d, an operation protrusion 3e is arranged on the outer edge of the threaded sleeve 3c, and the threaded sleeve 3c is abutted to a locking piece 3a which is arranged in a sliding mode in a locking state. The number of the locking assemblies 3 is four, and the four locking assemblies are distributed at equal intervals along the length direction of the laminated slab 1.
The connection structure of this embodiment is that before pouring concrete, the locking member 3a fixedly connected with the connecting member 3b is clamped on the upper chord steel bar of one of the steel bar trusses 1b on the left-hand composite slab 1 in fig. 5, then the connecting member 3b is adjusted to a horizontal angle and perpendicular to the length direction of the composite slab 1a, so that the locking port 3a-1 of the other locking member 3a is aligned with the upper chord steel bar of one of the steel bar trusses 1b on the right-hand composite slab 1, the threaded sleeve 3c is moved to the left side along the length direction of the threaded rod 3d by rotating the operating protrusion 3e, the other locking member 3a is pushed to move under the sliding fit action of the connecting member 3f 3b, and finally the locking ports of the two locking members 3a are sleeved on the upper chord steel bars of the two steel bar trusses 1b, and the locking assemblies are sequentially operated, with two steel bar truss 1b locking connection, thereby press from both sides the prefabricated layer 1a on two superimposed sheets 1 of clamp, make two prefabricated layer 1a closely laminate, reduced the space between the two, prevent that two superimposed sheets 1 from taking place relative slip, thereby when having avoided the pouring concrete, the concrete leaks from the space between two prefabricated layers 1a, prevent the emergence of the condition such as hourglass thick liquid, the pouring quantity of concrete has been practiced thrift, and be favorable to improving the efficiency of construction, reduction in production cost.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides a connection structure of coincide floor, includes that at least two distribute side by side in same horizontal plane and laminate superimposed sheet (1) of connecting in proper order, its characterized in that:
the top surfaces of the prefabricated layers (1 a) of two adjacent laminated slabs (1) are provided with communicated pouring recesses (1-1); a plurality of pouring recesses (1-1) are arranged and distributed at intervals along the length direction of the prefabricated layer (1 a); the pouring recess (1-1) is strip-shaped.
2. A coupling structure of composite floor slabs according to claim 1, wherein: the side wall of the pouring recess (1-1) is provided with a limiting bulge (1-2), and a gap exists between the limiting bulge (1-2) and the bottom wall of the pouring recess (1-1).
3. A coupling structure of composite floor slabs according to claim 1, wherein: a positioning piece (2) is arranged between every two adjacent laminated slabs (1), positioning depressions (1-3) are formed in the binding surfaces of the two laminated slabs, and the two ends of the positioning piece (2) are respectively in plug-in fit with the positioning depressions (1-3) of the two laminated slabs (1).
4. A coupling structure of composite floor slabs according to claim 1, wherein: in two adjacent laminated slabs (1), a locking assembly (3) is arranged between one steel bar truss (1 b) of one laminated slab (1) and one steel bar truss (1 b) of the other laminated slab (1); locking Assembly (3) include two retaining member (3 a) and set up in two connecting piece (3 b) between retaining member (3 a), two retaining member (3 a) are followed two the distribution direction relative slip setting of steel bar truss (1 b), connecting piece (3 b) are connected with two retaining member (3 a) are fixed in two respectively fixed unit on steel bar truss (1 b).
5. The connection structure of composite floor slabs according to claim 4, wherein: the fixed unit includes swivel nut (3 c), swivel nut (3 c) screw-thread fit have with connecting piece (3 b) fixed connection's screw rod (3 d), at least one retaining member (3 a) with connecting piece (3 b) sliding fit, retaining member (3 a) set up in between swivel nut (3 c) and another retaining member (3 a).
6. The connection structure of composite floor slabs according to claim 5, wherein: the outer edge of the thread insert (3 c) is provided with an operation bulge (3 e).
7. The connection structure of composite floor slabs according to claim 4, wherein: two retaining members (3 a) are provided with locking ports (3 a-1) and the locking ports (3 a-1) are arranged oppositely.
8. The connection structure of composite floor slabs according to claim 4, wherein: the locking assemblies (3) are arranged in a plurality and distributed at intervals along the length direction of the prefabricated layer (1 a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120926808.8U CN215211793U (en) | 2021-04-30 | 2021-04-30 | Connection structure of coincide floor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120926808.8U CN215211793U (en) | 2021-04-30 | 2021-04-30 | Connection structure of coincide floor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215211793U true CN215211793U (en) | 2021-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120926808.8U Active CN215211793U (en) | 2021-04-30 | 2021-04-30 | Connection structure of coincide floor |
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|---|---|
| CN (1) | CN215211793U (en) |
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2021
- 2021-04-30 CN CN202120926808.8U patent/CN215211793U/en active Active
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