CN217601816U - Prefabricated floor connection structure - Google Patents
Prefabricated floor connection structure Download PDFInfo
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- CN217601816U CN217601816U CN202220707195.3U CN202220707195U CN217601816U CN 217601816 U CN217601816 U CN 217601816U CN 202220707195 U CN202220707195 U CN 202220707195U CN 217601816 U CN217601816 U CN 217601816U
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- prefabricated floor
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Abstract
The utility model discloses a prefabricated floor slab connecting structure, including the left side prefabricated floor slab and the right side prefabricated floor slab that dock each other, the tip of the prefabricated floor slab of left side to the right side prefabricated floor slab is provided with horizontal through groove and operation hand hole, and the one end and the piece of horizontal through groove communicate, and the other end communicates with operation hand hole, and horizontal through groove and operation hand hole all open up; correspondingly, the end part of the right prefabricated floor slab facing the left prefabricated floor slab is also provided with a horizontal through groove and an operating hand hole; the left prefabricated floor slab and the right prefabricated floor slab are connected through the screw rod, the screw rod penetrates through the horizontal through groove of the left prefabricated floor slab and the right prefabricated floor slab, and two ends of the screw rod are respectively arranged in the operating handle holes of the left prefabricated floor slab and the right prefabricated floor slab. The utility model discloses a prefabricated floor connection structure has reduced the construction degree of difficulty, shortens construction cycle, is favorable to realizing the installation of full assembly, has that required input construction equipment is few, the construction is quick, the cost is low, characteristics such as investment province.
Description
Technical Field
The utility model relates to a prefabricated floor connection structure belongs to assembly type structure technical field.
Background
Compared with a cast-in-place floor slab and a composite floor slab, the fully prefabricated floor slab can achieve higher assembly rate and higher construction efficiency. However, the splicing connection of adjacent fully prefabricated floor slabs is crucial to the strength and reliability of the whole floor slab.
Patent document 1 (publication No. CN 110761463A) discloses a fully prefabricated assembled floor slab, where the splicing end portions of adjacent fully prefabricated floor slabs all have a communication hole and an open slot, and after a connecting member passes through the communication hole, both ends are respectively located in the open slots of two fully prefabricated floor slabs, and then the connecting member is fixed by a nut. The connecting mode can obviously improve the bending rigidity and the bearing capacity of the fully-prefabricated spliced floor slabs, and simultaneously can cooperate with the vertical deformation of the fully-prefabricated spliced floor slabs on the two sides of the spliced seam, thereby avoiding the influence of cracking of decoration and finishing on use attractiveness caused by inconsistent deflection of the two floor slabs.
However, the problems of the fully prefabricated assembled floor slab are as follows: when two full precast floor slabs are hoisted in place, the connecting pieces are difficult to smoothly penetrate through the communication holes due to the long communication holes, and the installation of the connecting pieces becomes very difficult. Only when two full precast floor slabs are hoisted in place on the upper part, for example, when the two full precast floor slabs are all in a hoisting state, the screw rods can be smoothly installed. This makes the construction efficiency low, and construction cost is higher.
SUMMERY OF THE UTILITY MODEL
In order to simplify the concatenation connection technology of prefabricated floor, improve the efficiency of construction, the utility model provides a prefabricated floor connection structure, concrete technical scheme is as follows.
The prefabricated floor slab connecting structure comprises a left prefabricated floor slab and a right prefabricated floor slab which are mutually butted, and a splicing seam is arranged between the left prefabricated floor slab and the right prefabricated floor slab,
a horizontal through groove and an operating hand hole are formed in the end part, facing the right prefabricated floor, of the left prefabricated floor, the extending direction of the horizontal through groove is perpendicular to the extending direction of the splicing seams, one end of the horizontal through groove is communicated with the splicing seams, the other end of the horizontal through groove is communicated with the operating hand hole, and the horizontal through groove and the operating hand hole are both upwards opened; correspondingly, the end part of the right prefabricated floor slab facing the left prefabricated floor slab is also provided with a horizontal through groove and an operating hand hole;
the left precast floor slab and the right precast floor slab are connected through a screw, the screw penetrates through the horizontal through groove of the left precast floor slab and the horizontal through groove of the right precast floor slab, and two ends of the screw are respectively fixed in the operating hand hole of the left precast floor slab and the operating hand hole of the right precast floor slab;
and fillers are filled in the horizontal through groove, the operation hand hole and the abutted seam.
By adopting the technical scheme, the horizontal through groove for accommodating the screw rod is opened upwards, so that the screw rod is installed after the prefabricated floor slabs at the left side and the right side are hoisted in place, and the construction efficiency is improved.
Furthermore, the end part of the left precast floor slab close to the seam and the end part of the right precast floor slab close to the seam are both provided with a hidden beam, and the extending direction of the hidden beam is parallel to the seam; the hidden beam comprises a hidden beam longitudinal steel bar and a hidden beam stirrup; the horizontal through groove penetrates through the hidden beam. Through setting up the hidden beam, be favorable to increasing the tip intensity of precast floor slab, further improved the connection reliability of adjacent precast floor slab.
Further, one end or two ends of the screw rod are fastened in corresponding operating handle holes through fasteners. The fastener comprises a nut or a nut and a gasket. One end of the screw has a bolt head and only the other end needs to be provided with a fastener, and if neither end has a bolt head, then both ends need to be provided with fasteners.
Further, the filler is fine aggregate concrete or cement-based slurry.
Based on the same invention concept, the utility model also relates to a precast floor slab connection structure, which comprises a left precast floor slab and a right precast floor slab which are mutually butted, and a splicing seam is arranged between the left precast floor slab and the right precast floor slab,
a horizontal through groove and an operating hand hole are formed in the end part, facing the right prefabricated floor, of the left prefabricated floor, the extending direction of the horizontal through groove is perpendicular to the extending direction of the splicing seams, one end of the horizontal through groove is communicated with the splicing seams, the other end of the horizontal through groove is communicated with the operating hand hole, and the horizontal through groove and the operating hand hole are both upwards opened;
the end part of the right precast floor slab facing the left precast floor slab is provided with a horizontal through hole and an operating hand hole; the extending direction of the horizontal through hole is perpendicular to the extending direction of the splicing seams, one end of the horizontal through hole is communicated with the splicing seams, the other end of the horizontal through hole is communicated with an operating hand hole of the right prefabricated floor slab, and the operating hand hole of the right prefabricated floor slab is opened upwards;
the left precast floor slab and the right precast floor slab are connected through a screw, the screw penetrates through the horizontal through groove of the left precast floor slab and the horizontal through hole of the right precast floor slab, and two ends of the screw are respectively fixed in the operating hand hole of the left precast floor slab and the operating hand hole of the right precast floor slab;
and fillers are filled in the horizontal through grooves, the operating hand holes and the abutted seams.
By adopting the technical scheme, the horizontal through groove for accommodating the screw rod is opened upwards, so that the screw rod is installed after the prefabricated floor slabs at the left side and the right side are hoisted in place, and the construction efficiency is improved.
Furthermore, one end of the horizontal through hole, which is close to the splicing seam, is a horn opening. The horn opening is more favorable for the screw to penetrate into the horizontal through hole.
Furthermore, the end part of the left precast floor slab close to the seam and the end part of the right precast floor slab close to the seam are both provided with a hidden beam, and the extending direction of the hidden beam is parallel to the seam; the hidden beam comprises a hidden beam longitudinal steel bar and a hidden beam stirrup; the horizontal through groove penetrates through the hidden beam of the left prefabricated floor slab, and the horizontal through hole penetrates through the hidden beam of the right prefabricated floor slab. Through setting up the hidden beam, be favorable to increasing the tip intensity of precast floor slab, further improved the connection reliability of adjacent precast floor slab.
Further, one end or two ends of the screw rod are fastened in corresponding operating handle holes through fasteners. The fastener comprises a nut or a nut and a gasket. One end of the threaded rod only needs to be provided with a fastener if it has a bolt head, and both ends need to be provided with fasteners if they do not have bolt heads.
Further, the filler is fine aggregate concrete or cement-based slurry.
The utility model discloses a prefabricated floor connection structure has reduced the construction degree of difficulty, shortens construction cycle, is favorable to realizing the installation of full assembly, has that required input construction equipment is few, the construction is quick, the cost is low, characteristics such as investment province.
Drawings
Fig. 1 is a schematic view (overhead view) of a precast floor slab joint structure according to embodiment 1 of the present invention;
fig. 2 is a schematic cross-sectional view of a precast floor slab connection structure according to embodiment 1 of the present invention;
FIG. 3 is a schematic cross-sectional view of 1-1 of FIG. 1;
FIG. 4 is a schematic cross-sectional view of 2-2 of FIG. 1;
fig. 5 is a schematic sectional view of a prefabricated floor slab connection structure according to embodiment 2 of the present invention.
In the figure: the prefabricated floor slab comprises a left prefabricated floor slab 1, a right prefabricated floor slab 2, a seam 3, a horizontal through groove 4, an operating hand hole 5, a horizontal through hole 6, a horn opening 6.1, a screw 7, a filler 8, a hidden beam 9, a hidden beam longitudinal steel bar 9.1 and a hidden beam stirrup 9.2.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example 1
Referring to fig. 1-4, a prefabricated floor slab connection structure comprises a left prefabricated floor slab 1 and a right prefabricated floor slab 2 which are mutually butted, wherein a splicing seam 3 is arranged between the left prefabricated floor slab 1 and the right prefabricated floor slab 2;
the end part, facing the right prefabricated floor slab 2, of the left prefabricated floor slab 1 is provided with a horizontal through groove 4 and an operating hand hole 5, the extending direction of the horizontal through groove 4 is perpendicular to the extending direction of the splicing seams 3, one end of the horizontal through groove 4 is communicated with the splicing seams 3, the other end of the horizontal through groove 4 is communicated with the operating hand hole 5, and the horizontal through groove 4 and the operating hand hole 5 are both upwards opened;
the end part of the right prefabricated floor slab 2 facing the left prefabricated floor slab 1 is provided with a horizontal through hole 6 and an operating hand hole 5; the extending direction of the horizontal through hole 6 is perpendicular to the extending direction of the splicing seams 3, one end of the horizontal through hole 6 is communicated with the splicing seams 3, the other end of the horizontal through hole 6 is communicated with an operating hand hole 5 of the prefabricated floor slab 2 on the right side, and the operating hand hole 5 of the prefabricated floor slab 2 on the right side is opened upwards;
the left prefabricated floor slab 1 and the right prefabricated floor slab 2 are connected through a screw 7, the screw 7 penetrates through a horizontal through groove 4 of the left prefabricated floor slab 1 and a horizontal through hole 6 of the right prefabricated floor slab 2, and two ends of the screw 7 are respectively fixed in an operating hand hole 5 of the left prefabricated floor slab 1 and an operating hand hole 5 of the right prefabricated floor slab 2; one or both ends of the screw 7 are fastened in the corresponding hand hole 5 by a fastener. The fastener comprises a nut or a nut and a gasket. One end of the screw 7 only needs to be provided with a fastener if it has a bolt head, and both ends need to be provided with fasteners if there is no bolt head at both ends.
All the horizontal through grooves 4, the operation hand holes 5 and the abutted seams 3 are filled with fillers 8, and the fillers 8 are fine aggregate concrete or cement-based slurry.
Preferably, one end of the horizontal through hole 6 close to the seam 3 is a trumpet opening 6.1. The trumpet opening 6.1 facilitates the penetration of the screw 7 into the horizontal through hole 6.
Preferably, the end part of the left precast floor slab 1 close to the seam 3 and the end part of the right precast floor slab 2 close to the seam 3 are both provided with a hidden beam 9, and the extending direction of the hidden beam 9 is parallel to the seam 3; the hidden beam 9 comprises hidden beam longitudinal steel bars 9.1 and hidden beam stirrups 9.2; the horizontal through groove 4 penetrates through the hidden beam of the left precast floor slab 1, and the horizontal through hole 6 penetrates through the hidden beam 9 of the right precast floor slab 2. Through setting up the hidden beam, be favorable to increasing the tip intensity of precast floor slab, further improved the connection reliability of adjacent precast floor slab.
The construction method of the prefabricated floor slab connecting structure comprises the following steps: firstly, hoisting the left prefabricated floor slab 1 and the right prefabricated floor slab 2 in place, then inserting the screw 7 into the horizontal through hole 6 from the horizontal through groove 4 until the screw 7 is in a horizontal state and penetrates through the horizontal through groove 4 and the horizontal through hole 6, and then fixing the two ends of the screw 7 in the operating hand holes 5 of the left and right prefabricated floor slabs by utilizing the fasteners; and finally, filling the filler 8 in the horizontal through groove 4, the operation hand hole 5 and the abutted seam 3.
Example 2
As shown in fig. 5, embodiment 2 differs from embodiment 1 in that: right-hand prefabricated wall panel 2 and left-hand prefabricated wall panel 1 of example 2 are symmetrical about splice 3, i.e. horizontal through-holes 6 in right-hand prefabricated wall panel 2 of example 1 are replaced by horizontal through-slots 4. That is to say, right-hand prefabricated wall panel 2 and left-hand prefabricated wall panel 1 in example 2 are provided with the same horizontal through slots 4 and hand holes 5. The construction method of example 2 is the same as that of example 1.
The embodiments of the present invention have been described above with reference to the accompanying drawings, and features of the embodiments and examples of the present invention may be combined with each other without conflict. The present invention is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit and the scope of the present invention, which is encompassed by the present invention.
Claims (9)
1. The prefabricated floor slab connecting structure comprises a left prefabricated floor slab (1) and a right prefabricated floor slab (2) which are mutually butted, wherein a splicing seam (3) is arranged between the left prefabricated floor slab (1) and the right prefabricated floor slab (2),
a horizontal through groove (4) and an operating hand hole (5) are formed in the end portion, facing the right prefabricated floor slab (2), of the left prefabricated floor slab (1), the extending direction of the horizontal through groove (4) is perpendicular to the extending direction of the splicing seams (3), one end of the horizontal through groove (4) is communicated with the splicing seams (3), the other end of the horizontal through groove (4) is communicated with the operating hand hole (5), and the horizontal through groove (4) and the operating hand hole (5) are both upwards opened; correspondingly, the end part of the right prefabricated floor slab (2) facing the left prefabricated floor slab (1) is also provided with a horizontal through groove (4) and an operating hand hole (5);
the left prefabricated floor slab (1) and the right prefabricated floor slab (2) are connected through a screw (7), the screw (7) penetrates through a horizontal through groove (4) of the left prefabricated floor slab (1) and a horizontal through groove (4) of the right prefabricated floor slab (2), and two ends of the screw (7) are respectively fixed in an operating hand hole (5) of the left prefabricated floor slab (1) and an operating hand hole (5) of the right prefabricated floor slab (2);
and fillers (8) are filled in the horizontal through grooves (4), the operating hand holes (5) and the abutted seams (3).
2. The precast floor slab connection structure according to claim 1, wherein the end of the left precast floor slab (1) near the seam (3) and the end of the right precast floor slab (2) near the seam (3) both have a hidden beam (9), and the extension direction of the hidden beam (9) is parallel to the seam (3); the hidden beam (9) comprises hidden beam longitudinal steel bars (9.1) and hidden beam stirrups (9.2); the horizontal through groove (4) penetrates through the hidden beam (9).
3. Prefabricated floor slab connection structure according to claim 1, characterized in that one or both ends of said threaded rods (7) are fastened in the corresponding operating hand holes (5) by means of fasteners.
4. The precast floor slab connection structure according to claim 1, wherein the filler (8) is fine aggregate concrete or cement-based grout.
5. The prefabricated floor slab connecting structure comprises a left prefabricated floor slab (1) and a right prefabricated floor slab (2) which are mutually butted, wherein a splicing seam (3) is arranged between the left prefabricated floor slab (1) and the right prefabricated floor slab (2),
a horizontal through groove (4) and an operating hand hole (5) are formed in the end portion, facing the right prefabricated floor slab (2), of the left prefabricated floor slab (1), the extending direction of the horizontal through groove (4) is perpendicular to the extending direction of the splicing seams (3), one end of the horizontal through groove (4) is communicated with the splicing seams (3), the other end of the horizontal through groove (4) is communicated with the operating hand hole (5), and the horizontal through groove (4) and the operating hand hole (5) are both upwards opened;
the end part of the right prefabricated floor slab (2) facing the left prefabricated floor slab (1) is provided with a horizontal through hole (6) and an operating hand hole (5); the extending direction of the horizontal through hole (6) is perpendicular to the extending direction of the splicing seams (3), one end of the horizontal through hole (6) is communicated with the splicing seams (3), the other end of the horizontal through hole is communicated with an operating hand hole (5) of the right prefabricated floor slab (2), and the operating hand hole (5) of the right prefabricated floor slab (2) is upwards opened;
the left prefabricated floor slab (1) and the right prefabricated floor slab (2) are connected through a screw (7), the screw (7) penetrates through a horizontal through groove (4) of the left prefabricated floor slab (1) and a horizontal through hole (6) of the right prefabricated floor slab (2), and two ends of the screw (7) are respectively fixed in an operating hand hole (5) of the left prefabricated floor slab (1) and an operating hand hole (5) of the right prefabricated floor slab (2);
and fillers (8) are filled in the horizontal through grooves (4), the operating hand holes (5) and the abutted seams (3).
6. Prefabricated floor slab connection according to claim 5, characterised in that the end of the horizontal through hole (6) close to the patchwork (3) is a trumpet opening (6.1).
7. The precast floor slab connection structure according to claim 5, wherein the end of the left precast floor slab (1) near the seam (3) and the end of the right precast floor slab (2) near the seam (3) both have a hidden beam (9), and the extension direction of the hidden beam (9) is parallel to the seam (3); the hidden beam (9) comprises hidden beam longitudinal steel bars (9.1) and hidden beam stirrups (9.2); the horizontal through groove (4) penetrates through the hidden beam (9) of the left prefabricated floor slab (1), and the horizontal through hole (6) penetrates through the hidden beam (9) of the right prefabricated floor slab (2).
8. Prefabricated floor slab connection structure according to claim 5, characterized in that one or both ends of said threaded rods (7) are fastened in the corresponding operating hand holes (5) by means of fasteners.
9. Prefabricated floor slab connection structure according to claim 5, characterized in that said filler (8) is fine aggregate concrete or cement-based grout.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220707195.3U CN217601816U (en) | 2022-03-29 | 2022-03-29 | Prefabricated floor connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220707195.3U CN217601816U (en) | 2022-03-29 | 2022-03-29 | Prefabricated floor connection structure |
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| Publication Number | Publication Date |
|---|---|
| CN217601816U true CN217601816U (en) | 2022-10-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220707195.3U Active CN217601816U (en) | 2022-03-29 | 2022-03-29 | Prefabricated floor connection structure |
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| CN (1) | CN217601816U (en) |
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- 2022-03-29 CN CN202220707195.3U patent/CN217601816U/en active Active
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