CN211774640U - Built-in steel construction prestressing force laminating mosaic structure of concrete precast slab - Google Patents
Built-in steel construction prestressing force laminating mosaic structure of concrete precast slab Download PDFInfo
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- CN211774640U CN211774640U CN201921560753.2U CN201921560753U CN211774640U CN 211774640 U CN211774640 U CN 211774640U CN 201921560753 U CN201921560753 U CN 201921560753U CN 211774640 U CN211774640 U CN 211774640U
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Abstract
The utility model discloses a concrete precast slab embeds steel construction prestressing force laminating mosaic structure, including concrete base member and grout filling layer, concrete base member's inside is provided with the component reinforcing bar, and concrete base member's side is provided with the side steel sheet, the middle part of side steel sheet is provided with the interlock groove, and the inner wall in interlock groove is provided with the elasticity filling layer, the inside in interlock groove is provided with the laminating steel sheet, the outer end of laminating steel sheet is provided with the laminating inclined plane, and the side on laminating inclined plane is connected with the fastening bolt, the grout filling layer is located the outside of laminating steel sheet, and the outside of grout filling layer is provided with the interpolation steel sheet, the side of interpolation steel sheet is connected with the split bolt. This concrete precast slab embeds steel construction prestressing force laminating mosaic structure is provided with and carries out the fastening bolt and the split bolt that cooperate and use, cooperation interlock inclined plane and laminating inclined plane keep the laminating fastening of concatenation prefab, improve concatenation stability.
Description
Technical Field
The utility model relates to a relevant technical field of construction specifically is a built-in steel construction prestressing force laminating mosaic structure of concrete precast slab.
Background
In the existing building construction process, the concrete precast slab structure is increasingly used for building assembly and splicing so as to reduce the construction flow on the building site and improve the construction efficiency, the pre-formed concrete precast slab can be constructed only by carrying out a small amount of site splicing operation, and the operation is more convenient.
But current concrete precast slab is when splicing, it is direct to stretch out the reinforcing bar position to splice the department and pour the connection usually, the firm stable form of whole of splice department is relatively poor, when not convenient for keep closely laminating, mosaic structure's cast molding is also quite inconvenient, also be like an assembled shear force orthogonal wall profiled steel sheet perps linkage unit of chinese patent publication No. CN208347011U, splice structure fixed through splicing the stay bolt, but unidirectional bolted connection has certain limitation, take place certain not hard up easily, be not convenient for keep holistic fastening concatenation.
Aiming at the problems, the innovative design is carried out on the basis of the original concrete precast slab splicing structure.
Disclosure of Invention
An object of the utility model is to provide a concrete precast slab embeds steel construction prestressing force laminating mosaic structure to it is relatively poor to solve the fastness of proposing concrete precast slab mosaic structure seam crossing among the above-mentioned background art, is not convenient for keep the problem of holistic inseparable concatenation of laminating.
In order to achieve the above object, the utility model provides a following technical scheme: a prestressed fitting splicing structure of a built-in steel structure of a concrete precast slab comprises a concrete matrix and a grouting filling layer, wherein member steel bars are arranged inside the concrete matrix, and the side edge of the concrete matrix is provided with a side steel plate, the middle part of the side steel plate is provided with an occlusion groove, the inner wall of the occlusion groove is provided with an elastic filling layer, and the inner side of the elastic filling layer is provided with an occlusion inclined plane, the interior of the occlusion groove is provided with a fitting steel plate, the side end of the occlusion groove is provided with an occlusion end, and the inside of the occlusion end is provided with a connecting slot, the outer end of the attaching steel plate is provided with an attaching inclined plane, and the side end of the attaching inclined plane is connected with a fastening bolt, the grouting filling layer is positioned at the outer side of the attaching steel plate, and the outside of the grouting filling layer is provided with an inner inserting steel plate, the side surface of the inner inserting steel plate is provided with a limiting pressure groove, and the side surface of the inner inserting steel plate is connected with a split bolt.
Preferably, the member reinforcing bars are uniformly distributed in the concrete matrix, and the member reinforcing bars and the occlusion ends are connected with each other through the connecting slots.
Preferably, the occlusion groove and the side steel plate are of an integrated structure, and the occlusion groove and the occlusion end are mutually attached through an elastic filling layer and an occlusion inclined plane.
Preferably, the laminating steel plate, the occlusion end and the laminating inclined plane are of an integrated structure, and the laminating inclined plane is symmetrically distributed on the outer side of the central axis of the grouting filling layer.
Preferably, the fastening bolt runs through and sets up inside laminating inclined plane, and laminates through laminating inclined plane each other between the adjacent laminating steel sheet to the outer end width of laminating steel sheet is less than the width of interpolation steel sheet.
Preferably, the inner inserted steel plates are positioned at the inner side and the outer side of the side steel plates, and the adjacent inner inserted steel plates are connected with each other through split bolts.
Compared with the prior art, the beneficial effects of the utility model are that: the concrete precast slab is internally provided with a steel structure prestress jointing structure;
1. the structure is provided with the fastening bolt and the split bolt which are matched for use, in the using process of the structure, the fastening bolt and the split bolt are fastened in two directions, so that the fastening connection of external inserted steel plates is kept while the attaching inclined planes are kept attached and fastened conveniently, the firm connection of the whole structure of the device is facilitated, the multi-directional shock absorption frame structure connection is provided, and the sealing stability of the joint of the prefabricated member is kept;
2. be provided with the interlock inclined plane and the laminating inclined plane that make the concatenation prefab keep laminating fastening, in the use of this structure, through the elasticity laminating of interlock inclined plane department, with laminating inclined plane department fastening bolt and the two-way centre gripping fastening of split bolt, can effectively ensure the prestressing force laminating fastening of laminating steel sheet department, be convenient for keep closely laminating the concatenation when grout filling layer seam is pour.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is an enlarged schematic view of a portion of FIG. 1 according to the present invention;
FIG. 3 is a schematic view of the top-down structure of the present invention;
FIG. 4 is a schematic view of the structure of the bite groove and the fitting steel plate of the present invention;
fig. 5 is a schematic front structural view of the present invention.
In the figure: 1. a concrete matrix; 2. component steel bars; 3. side steel plates; 4. an occlusion groove; 5. an elastic filling layer; 6. an occlusion slope; 7. attaching a steel plate; 8. an engaging end; 9. connecting the slots; 10. attaching an inclined plane; 11. fastening a bolt; 12. grouting a filling layer; 13. inserting a steel plate; 14. limiting and pressing the groove; 15. and (4) oppositely pulling the bolts.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a prestressed fitting splicing structure of a concrete precast slab built-in steel structure comprises a concrete base body 1, component steel bars 2, side steel plates 3, an occlusion groove 4, an elastic filling layer 5, an occlusion inclined plane 6, a fitting steel plate 7, an occlusion end 8, a connecting slot 9, a fitting inclined plane 10, a fastening bolt 11, a grouting filling layer 12, an inserted steel plate 13, a limiting pressure groove 14 and a split bolt 15, wherein the component steel bars 2 are arranged inside the concrete base body 1, the side steel plates 3 are arranged on the side edge of the concrete base body 1, the occlusion groove 4 is arranged in the middle of each side steel plate 3, the elastic filling layer 5 is arranged on the inner wall of each occlusion groove 4, the occlusion inclined plane 6 is arranged on the inner side of each elastic filling layer 5, the fitting steel plates 7 are arranged inside the occlusion grooves 4, the occlusion end 8 is arranged on the side end of each occlusion groove 4, and the connecting slot 9 is arranged inside each occlusion, the outer end of laminating steel sheet 7 is provided with laminating inclined plane 10, and the side on laminating inclined plane 10 is connected with fastening bolt 11, and grout filling layer 12 is located the outside of laminating steel sheet 7, and the outside of grout filling layer 12 is provided with interpolation steel sheet 13, and the side surface of interpolation steel sheet 13 is provided with spacing indent 14, and the side of interpolation steel sheet 13 is connected with split bolt 15.
The component reinforcing steel bars 2 are uniformly distributed in the concrete matrix 1, and the component reinforcing steel bars 2 are connected with the occlusion ends 8 through the connecting slots 9, so that the integral framework of the structure is convenient to connect and support.
Laminating steel sheet 7, interlock end 8 and laminating inclined plane 10 are the integral structure, and laminating inclined plane 10 is at the axis outside symmetric distribution of grout filling layer 12, make things convenient for the holistic structural symmetry of grout filling layer 12 department to fix.
Fastening bolt 11 runs through and sets up inside laminating inclined plane 10, and laminates each other through laminating inclined plane 10 between the adjacent laminating steel sheet 7 to the outer end width of laminating steel sheet 7 is less than the width of interpolation steel sheet 13, makes things convenient for the tight spacing connection of subsides of laminating inclined plane 10 department.
The inner inserted steel plates 13 are positioned at the inner side and the outer side of the side steel plates 3, and the adjacent inner inserted steel plates 13 are connected with each other through the split bolts 15, so that the closed fastening of the joints of the prefabricated parts is kept conveniently.
The working principle is as follows: when the concrete precast slab built-in steel structure prestress jointing structure is used, as shown in fig. 1-3, a component steel bar 2 can be inserted into a connecting slot 9 of a side steel plate 3 in fig. 2 to be welded to form an integral frame structure, then, the concrete matrix 1 can be prefabricated by forming a corresponding mould, after the precast products are conveyed to a proper assembly position, the inner inserted steel plates 13 of adjacent precast products can be jointed with each other, the jointed inner inserted steel plates 13 are limited by a limiting pressure groove 14, and at the moment, a certain distance is reserved between the adjacent jointed steel plates 7, and further connection and fastening are needed;
according to fig. 1-5, the corresponding inner steel plates 13 may be fastened by using tie bolts 15, the attaching slopes 10 of the adjacent inner steel plates 13 in fig. 2 are drawn to further approach each other, and the engaging slopes 6 in fig. 4 are drawn to attach the elastic filling layer 5 for further elastic attachment, and then may be further fixed by passing through the adjacent inner steel plates 7 by fastening bolts 11 as shown in fig. 2, so as to maintain the close-fitting connection between the inner steel plates 13 and the outer steel plates 7, and then the grouting filling layer 12 between the inner steel plates 13 may be grouted to complete the assembly and fixation of the prefabricated member.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a built-in steel construction prestressing force laminating mosaic structure of concrete precast slab, includes concrete base member (1) and grout filling layer (12), its characterized in that: the concrete is characterized in that component steel bars (2) are arranged inside the concrete matrix (1), side steel plates (3) are arranged on the sides of the concrete matrix (1), occlusion grooves (4) are formed in the middle of the side steel plates (3), elastic filling layers (5) are arranged on the inner walls of the occlusion grooves (4), occlusion inclined planes (6) are arranged on the inner sides of the elastic filling layers (5), laminated steel plates (7) are arranged inside the occlusion grooves (4), occlusion ends (8) are arranged on the sides of the occlusion grooves (4), connecting slots (9) are arranged inside the occlusion ends (8), laminating inclined planes (10) are arranged on the outer ends of the laminated steel plates (7), fastening bolts (11) are connected to the sides of the laminating inclined planes (10), the filling layers (12) are located on the outer sides of the laminated steel plates (7), and inserted steel plates (13) are arranged on the outer sides of the grouting filling layers (12), the side surface of the inner inserting steel plate (13) is provided with a limiting pressure groove (14), and the side surface of the inner inserting steel plate (13) is connected with a split bolt (15).
2. The built-in steel structure prestress jointing structure of the concrete precast slab according to claim 1, wherein: the component reinforcing steel bars (2) are uniformly distributed in the concrete matrix (1), and the component reinforcing steel bars (2) and the occlusion ends (8) are connected with each other through connecting slots (9).
3. The built-in steel structure prestress jointing structure of the concrete precast slab according to claim 1, wherein: the occlusion groove (4) and the side steel plate (3) are of an integrated structure, and the occlusion groove (4) and the occlusion end (8) are mutually attached through an elastic filling layer (5) and an occlusion inclined plane (6).
4. The built-in steel structure prestress jointing structure of the concrete precast slab according to claim 1, wherein: laminating steel sheet (7), interlock end (8) and laminating inclined plane (10) are the integral structure, and laminating inclined plane (10) are in the axis outside symmetric distribution of grout filling layer (12).
5. The built-in steel structure prestress jointing structure of the concrete precast slab according to claim 1, wherein: fastening bolt (11) run through and set up in laminating inclined plane (10) inside, and laminate each other through laminating inclined plane (10) between adjacent laminating steel sheet (7) to the outer end width of laminating steel sheet (7) is less than the width of interpolation steel sheet (13).
6. The built-in steel structure prestress jointing structure of the concrete precast slab according to claim 1, wherein: the inner inserted steel plates (13) are positioned at the inner side and the outer side of the side steel plates (3), and the adjacent inner inserted steel plates (13) are connected with each other through split bolts (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921560753.2U CN211774640U (en) | 2019-09-19 | 2019-09-19 | Built-in steel construction prestressing force laminating mosaic structure of concrete precast slab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921560753.2U CN211774640U (en) | 2019-09-19 | 2019-09-19 | Built-in steel construction prestressing force laminating mosaic structure of concrete precast slab |
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| Publication Number | Publication Date |
|---|---|
| CN211774640U true CN211774640U (en) | 2020-10-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921560753.2U Active CN211774640U (en) | 2019-09-19 | 2019-09-19 | Built-in steel construction prestressing force laminating mosaic structure of concrete precast slab |
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| Country | Link |
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| CN (1) | CN211774640U (en) |
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2019
- 2019-09-19 CN CN201921560753.2U patent/CN211774640U/en active Active
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Effective date of registration: 20220513 Address after: 435599 intersection of Zhenxing 2nd Road and Fazhan 3rd road, dashengpo Industrial Park, Huangmei Town, Huangmei County, Huanggang City, Hubei Province Patentee after: Hubei Haokun starting point new material technology Co.,Ltd. Address before: No. 1198, Yangcheng 6th Road, Yangxin County, Binzhou City, Shandong 251800 Patentee before: He Weikang |
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