CN220080453U - Forming component connecting device of assembled composite floor slab - Google Patents
Forming component connecting device of assembled composite floor slab Download PDFInfo
- Publication number
- CN220080453U CN220080453U CN202321044544.9U CN202321044544U CN220080453U CN 220080453 U CN220080453 U CN 220080453U CN 202321044544 U CN202321044544 U CN 202321044544U CN 220080453 U CN220080453 U CN 220080453U
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- Prior art keywords
- composite floor
- square
- floor slab
- slab
- square groove
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Abstract
本实用新型提供了一种装配式叠合楼板的成型组件连接装置，包括第一叠合楼板、第二叠合楼板、第一正方形槽式连接件、第二正方形槽式连接件；叠合楼板的上表面均预埋固定有纵向延伸的桁架钢筋，叠合楼板在端部开设不穿透的正方形槽，正方形槽沿板长间隔预埋设置在预制层，叠合楼板底部受力钢筋在预制层不伸出板侧边；正方形槽与正方形槽式连接件匹配，使正方形槽式连接件嵌入叠合楼板，同时使正方形槽式连接件上的固定钢筋通过浇筑埋入叠合楼板。第一正方形槽式连接件面向接缝处的侧边设有快速扣紧装置。本实用新型减少了叠合楼板的施工工序，提高了拼装速度，降低了施工成本；增强了拼缝处的刚度，保证了良好的受力性能和抗震性能。
The utility model provides a forming component connection device for assembled laminated floor slabs, which includes a first laminated floor slab, a second laminated floor slab, a first square trough-type connector, and a second square trough-type connector; the laminated floor slab The upper surface of the slab is pre-embedded with longitudinally extending truss steel bars. The laminated floor slabs are provided with non-penetrating square grooves at the ends. The square grooves are embedded in the prefabricated layer at intervals along the length of the slab. The stress-bearing steel bars at the bottom of the laminated floor slabs are in the prefabricated The layer does not protrude from the side of the board; the square groove matches the square trough connector so that the square trough connector is embedded in the laminated floor slab, and at the same time, the fixed steel bars on the square trough connector are embedded in the laminated floor slab through pouring. A quick fastening device is provided on the side of the first square groove connecting piece facing the seam. The utility model reduces the construction procedures of the laminated floor slabs, increases the assembly speed, and reduces the construction cost; it enhances the stiffness of the joints and ensures good stress-bearing performance and seismic resistance.
Description
Technical Field
The utility model belongs to the technical field of assembly type buildings, and particularly relates to a connecting device for a forming assembly of an assembly type composite floor slab.
Background
With the rise of fabricated buildings, composite floor slabs are attracting more and more attention, and the problem of joint seams of composite floor slabs is also attracting more and more attention. People often adopt a close-spliced joint, and the mode has the advantages of low production cost, convenient field splicing and the like, but also has the defects of inconvenient construction, high joint cost, easy cracking and falling of a floor slab and the like; the method for processing the splice joint by using the reserved cast-in-situ belt is also available, so that the cost of the later-stage splice joint on site can be reduced, and the method has a better one-step forming effect; the defect is that excessive connecting steel bars are reserved on the side surface of the prefabricated layer, so that the mould cost of a factory can be increased, and the production efficiency of the factory can be reduced; and moreover, the steel bars are extended too much, so that the safety coefficient of the installation site is easily reduced, and the site installation efficiency is reduced.
How to balance various technical difficulties, a connecting device which can reduce the construction procedures of the construction of the composite floor slab, improve the assembly speed of the composite floor slab, reduce the construction cost, enhance the rigidity of the floor slab at the joint and ensure the good stress performance and the earthquake resistance of the floor slab at the joint is an pain point which needs to be solved in the development of the fabricated building.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, the present utility model aims to provide a connecting device for forming components of assembled composite floor slabs, which can effectively reduce the construction procedures of composite floor slab construction, improve the assembly speed of the composite floor slab, reduce the construction cost, enhance the rigidity of the floor slab at the joint, and ensure good stress performance and earthquake resistance of the floor slab at the joint.
In order to achieve the aim, the utility model provides the technical scheme that the forming component connecting device of the assembled composite floor slab comprises a first composite floor slab, a second composite floor slab, a first square groove type connecting piece and a second square groove type connecting piece; the upper surfaces of the first and second composite floor slabs are pre-buried and fixedly provided with truss steel bars extending longitudinally, the end parts of the first and second composite floor slabs are provided with square grooves which do not penetrate, the square grooves are pre-buried and arranged on the prefabricated layer at intervals along the length of the slab, and the stressed steel bars at the bottoms of the first and second composite floor slabs do not extend out of the side edges of the slab; the end parts of the first and second composite floor slabs are provided with non-penetrating square grooves which are respectively matched with the first and second square groove type connecting pieces, so that the first and second square groove type connecting pieces are respectively embedded into the first and second composite floor slabs, and a plurality of fixing reinforcing steel bars on the first and second square groove type connecting pieces are integrally embedded into the prefabricated composite floor slabs through pouring; the first square groove type connecting piece and the second square groove type connecting piece are internally provided with fixed steel bars, and the side edge of the first square groove type connecting piece facing the joint is provided with a quick fastening device.
Further, the second square groove type connecting piece comprises square channel steel with only an opening at the top, fixed steel bars, penetrating round holes, tie bolts, nuts and quick fastening devices at the side edges of the joints.
Further, the second square groove type connecting piece comprises square channel steel with only an opening at the top, fixed steel bars, penetrating round holes, tie bolts and nuts.
Further, the quick fastening means for the sides at the seam is a "￢" steel piece, the lateral width is the width of three sides, and the lateral length is the length of the square in the channel.
Further, the quick-fastening device at the seam side may be attached to the seam side of the first square channel connector by casting or welding or bolting.
Further, the fixed steel bars comprise longitudinal steel bars penetrating through two sides and transverse steel bars penetrating through one side only, the longitudinal steel bars and the transverse steel bars penetrate through round holes and are fixed in the channel steel in a welding mode, and the joint of the longitudinal steel bars and the transverse steel bars can be connected through binding or welding.
Further, the penetrating round hole comprises a penetrating round hole for butting the longitudinal steel bars and a penetrating round hole for butting the transverse steel bars, and the penetrating round hole for butting the tie bolts on the fastening device and the penetrating round hole for butting the tie bolts below the fastening device; the bottom of the penetrating round hole of the butt joint transverse steel bar is tangent to the upper plane of the precast slab, and the bottom of the penetrating round hole of the butt joint longitudinal steel bar is tangent to the top of the penetrating round hole of the butt joint transverse steel bar.
Further, the tie bolts include tie bolts on the fastening device and tie bolts below the fastening device, the tie bolts on the fastening device being longer than the widths of the three sides, the tie bolts below the fastening device being longer than the widths of the two sides.
The connecting device for the forming components of the assembled composite floor slab has at least the following beneficial technical effects:
1. the device can be simply assembled in factories, has simple and cheap materials, is easy to transport, has a quick fastening device, effectively reduces the construction procedures of the construction of the composite floor slab, improves the assembly speed of the composite floor slab, and reduces the construction cost.
2. The device provides more bolt interfaces, strong and stable fixing tension is formed at the joint, more fixing reinforcing steel bars are bound longitudinally and transversely, and the rigidity of the floor at the joint is enhanced along with the cast-in-situ column layer and the whole composite floor slab to ensure good stress performance and earthquake resistance of the floor at the joint.
Drawings
FIG. 1 is a cross-sectional view of a modular composite floor slab forming assembly connection apparatus of the present utility model;
FIG. 2 is a top view of a preferred embodiment of a modular floor slab forming assembly connection according to the present utility model;
FIG. 3 is a right side view of a preferred embodiment of a modular floor slab forming assembly connection according to the present utility model;
fig. 4 is a three-dimensional schematic view of a connecting device for forming assemblies of assembled composite floor slabs according to the present utility model.
In the figure: 1. transversely fixing the reinforcing steel bars; 2. fixing the steel bars longitudinally; 3. a fastening device; 4. a nut for fastening the tie bolt on the device; 5. a nut for fastening the tie bolt below the device; 6. a tie bolt on the fastening device; 7. a tie bolt under the fastening device; 8. bottom stress steel bars on the precast slabs; 9. truss steel bars; 10. the second composite floor slab; 11. a first composite floor slab; 12. post-pouring layer; 13. a square groove; 14. a first square groove-type connector; 15. the second square groove type connecting piece.
Detailed Description
The following examples of the present utility model are described in detail, and are given by way of illustration of the present utility model, but the scope of the present utility model is not limited to the following examples.
In the description of the present utility model, if terms indicating orientations such as "upper", "lower", "left", "right", "top", "bottom", "inner", "outer", etc. are used, the indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, only for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the indicated devices or elements must have a specific orientation, be configured and operated in the specific orientation, and thus are not to be construed as limiting the present utility model.
In addition, with respect to the orientation terms mentioned in this utility model, those skilled in the art will recognize generally the following:
transverse direction: refers to the width direction of the splice;
longitudinal direction: refers to the length direction of the splice.
As shown in fig. 2 to 4, in a preferred embodiment, the forming assembly connection device of the fabricated composite floor slab of the present utility model comprises a first composite floor slab 11, a second composite floor slab 10, a first square groove type connection piece 14 and a second square groove type connection piece 15; the upper surfaces of the first composite floor slab 11 and the second composite floor slab 10 are pre-buried and fixedly provided with truss steel bars 9 extending longitudinally, the end parts of the first composite floor slab 11 and the second composite floor slab 10 are provided with square grooves 13 which do not penetrate, the square grooves 13 are pre-buried and arranged on a prefabricated layer at intervals along the length of the slab, and the stress steel bars 8 at the bottoms of the first composite floor slab and the second composite floor slab do not extend out of the side edges of the slab; the non-penetrating square grooves 13 formed at the end parts of the first composite floor slab 11 and the second composite floor slab 10 are respectively matched with the first square groove type connecting piece 14 and the second square groove type connecting piece 15, so that the first square groove type connecting piece 14 and the second square groove type connecting piece 15 are respectively embedded into the first composite floor slab 11 and the second composite floor slab 10, and simultaneously, a plurality of fixing reinforcing steel bars 1 and 2 on the first square groove type connecting piece 14 and the second square groove type connecting piece 15 are embedded into the prefabricated composite floor slab to form a whole through pouring; the first square groove type connecting piece 14 and the second square groove type connecting piece 15 are internally provided with fixed steel bars 1 and 2, and the side edge of the first square groove type connecting piece 14 facing the joint is provided with a quick fastening device 3.
In one embodiment, as shown in fig. 2, when the utility model is processed and manufactured, a large number of rapid processing and manufacturing processes can be realized by adopting mature mechanical processing technologies such as cutting, punching, stamping casting and the like on a steel plate according to square channel steel and a fastening device 3, welding is carried out on joints between the plates after processing and molding, and reinforcing steel bars 1 and 2 are welded and fixed in the square channel steel. The tie bolts 6 and 7 may be common stud bolts in the market. The nuts 4 and 5 may be conventional nuts. In summary, the utility model has the advantages of wide material sources, simple processing and manufacturing and low comprehensive cost. In the assembly of the present utility model, the fastening device 3 of the first square groove type connecting member 14 is fastened to the seam side edge of the second square groove type connecting member 15, and then is fastened by the tie bolts 6 and 7 and the nuts 4 and 5.
As shown in fig. 3 to 4, in actual use, the connecting device 14 and 15 of the utility model can be fixed on one side of the laminated slab die at intervals according to design, namely, beside the position of the laminated slab joint, after concrete pouring is completed, and under the action of the fixed reinforcing steel bars 1 and 2, the connecting device 14 and 15 of the utility model is firmly embedded in the to-be-spliced part of the laminated slab. Thus completing the arrangement, installation of the connection means 14 and 15 of the present utility model.
When the composite floor slab is in hoisting construction, the first composite floor slab 11 on one side is firstly installed in place, then the second composite floor slab 10 is installed, two prefabricated floor slabs are transversely and closely aligned and spliced together, then the second square groove type connecting pieces 15 are firstly fixed on the square grooves of the second composite floor slab 10, the same number of the second square groove type connecting pieces 15 are placed according to the reserved square groove number, then the first square groove type connecting pieces 14 and the second square groove type connecting pieces 15 are combined according to the quick fastening device 3, the same number of the first square groove type connecting pieces 14 are placed according to the reserved square groove number, then the tie bolts 6 and 7 are installed through penetrating round holes, and finally the nuts 4 and 5 on the tie bolts are screwed by using electric spanners, so that the installation of the composite floor slabs on two adjacent sides is completed. And finally, pouring the concrete of the post-pouring layer 12, thereby completing the total construction process of the composite floor slab. The above process shows that the connecting device for the forming components of the assembled composite floor slab has the obvious advantages of simple construction process, effective reduction of construction procedures of composite floor slab construction, improvement of assembling speed of the composite floor slab, reduction of construction cost and the like.
The foregoing describes in detail preferred embodiments of the present utility model. It should be understood that numerous modifications and variations can be made in accordance with the concepts of the utility model without requiring creative effort by one of ordinary skill in the art. Therefore, all technical solutions which can be obtained by logic analysis, reasoning or limited experiments based on the prior art by a person skilled in the art according to the inventive concept shall be within the scope of protection defined by the claims.
Claims (8)
1. The device is characterized by comprising a first composite floor slab, a second composite floor slab, a first square groove type connecting piece and a second square groove type connecting piece; the upper surfaces of the first and second composite floor slabs are pre-buried and fixedly provided with truss steel bars extending longitudinally, the end parts of the first and second composite floor slabs are provided with square grooves which do not penetrate, the square grooves are pre-buried and arranged on the prefabricated layer at intervals along the length of the slab, and the stressed steel bars at the bottoms of the first and second composite floor slabs do not extend out of the side edges of the slab; the end parts of the first and second composite floor slabs are provided with non-penetrating square grooves which are respectively matched with the first and second square groove type connecting pieces, so that the first and second square groove type connecting pieces are respectively embedded into the first and second composite floor slabs, and a plurality of fixing reinforcing steel bars on the first and second square groove type connecting pieces are integrally embedded into the prefabricated composite floor slabs through pouring; the first square groove type connecting piece and the second square groove type connecting piece are internally provided with fixed steel bars, and the side edge of the first square groove type connecting piece facing the joint is provided with a quick fastening device.
2. A modular composite floor profiled element connection as claimed in claim 1, wherein the first square channel connector comprises square channel steel with only an open top, a fixed bar, a through hole, a tie bolt, a nut and a quick fastening means at the side of the joint.
3. A modular composite floor profiled element connection as claimed in claim 1, wherein the second square channel connector comprises square channel steel with only an open top, fixing bars, through holes, tie bolts and nuts.
4. A modular composite floor profiled element connection as claimed in claim 2, wherein the snap fastening means for the side edges at the joints is a "￢" steel member, the transverse width being the width of three side edges and the transverse length being the length of a square in the channel.
5. A modular composite floor profiled element connection as claimed in claim 4, wherein the quick-fastening means at the seam side is adapted to be connected to the first square channel type connection at the seam side by casting or welding or bolting.
6. A modular composite floor slab forming assembly connecting device as claimed in claim 1 wherein the fixed bars include longitudinal bars extending through both sides and transverse bars extending through only one side, the longitudinal bars and transverse bars being fixed in the channel steel by welding through the through holes, the junctions of the longitudinal bars and transverse bars being connectable by stitching or welding.
7. A modular composite floor slab forming assembly connection device as claimed in claim 2, wherein the through-hole comprises a longitudinal bar butt-joint through-hole, a transverse bar butt-joint through-hole, a tie bolt butt-joint fastening device tie-bolt through hole, and a tie bolt under the butt-joint fastening device through hole; the bottom of the penetrating round hole of the butt joint transverse steel bar is tangent to the upper plane of the precast slab, and the bottom of the penetrating round hole of the butt joint longitudinal steel bar is tangent to the top of the penetrating round hole of the butt joint transverse steel bar.
8. A modular composite floor slab forming assembly connection as claimed in claim 2, wherein the tie bolts comprise tie bolts on the fastening means and tie bolts below the fastening means, the tie bolts on the fastening means being longer than the width of the three sides and the tie bolts below the fastening means being longer than the width of the two sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321044544.9U CN220080453U (en) | 2023-05-04 | 2023-05-04 | Forming component connecting device of assembled composite floor slab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321044544.9U CN220080453U (en) | 2023-05-04 | 2023-05-04 | Forming component connecting device of assembled composite floor slab |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220080453U true CN220080453U (en) | 2023-11-24 |
Family
ID=88825613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321044544.9U Expired - Fee Related CN220080453U (en) | 2023-05-04 | 2023-05-04 | Forming component connecting device of assembled composite floor slab |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220080453U (en) |
-
2023
- 2023-05-04 CN CN202321044544.9U patent/CN220080453U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20231124 |