CN215054422U

CN215054422U - Prestressed concrete hollow floor structure

Info

Publication number: CN215054422U
Application number: CN202121819457.7U
Authority: CN
Inventors: 王嘉圣; 曲锋; 窦磊; 张亚龙; 程国宁
Original assignee: Cccc Infrastructure Maintenance Group Ningxia Engineering Co ltd
Current assignee: Cccc Infrastructure Maintenance Group Ningxia Engineering Co ltd
Priority date: 2021-08-05
Filing date: 2021-08-05
Publication date: 2021-12-07
Anticipated expiration: 2031-08-05

Abstract

The utility model discloses a hollow superstructure structure of prestressed concrete relates to prestressed concrete structure technical field. The utility model discloses a floor cover board and prestressing steel, floor cover board upper surface array have a plurality of hollow grooves, and the relative both sides wall in hollow groove runs through there is the perforation, and prestressing steel installs inside the perforation, and floor cover board left side wall fixedly connected with picture peg, floor cover board right side wall have seted up the board groove, and the picture peg clamps the cooperation with the board groove. The utility model discloses a set up set-square, board groove, picture peg, insert post, post groove, fixture block and draw-in groove, reserve certain inclined plane for hollow groove, increase the binding face of concrete, realized the light equipment between the multiunit floor board, promoted assembly efficiency effectively.

Description

Prestressed concrete hollow floor structure

Technical Field

The utility model belongs to the technical field of prestressed concrete structure, especially, relate to hollow superstructure structure of prestressed concrete.

Background

The prestressed concrete structure is characterized by that before the structural member is acted by external load, it is artificially pressurized, so that the produced prestressed state can be used for reducing or counteracting the tensile stress resulted from external load, i.e. the high compressive strength of concrete can be used for making up the deficiency of its tensile strength so as to attain the goal of delaying the concrete crack in the tensile region. The prestressed concrete structure is also called prestressed reinforced concrete structure because the prestressed stress is achieved by a method of tensioning the reinforcing steel bars.

Prestressed concrete structures, a structure which allows the concrete to be pre-stressed before the application of a load. The prestress is generated by a method of tensioning a high-strength steel bar or wire. The tensioning method comprises two methods: the pre-tensioning method is that the reinforcing steel bar is tensioned firstly, then the concrete is poured, and when the concrete reaches the specified strength, the two ends of the reinforcing steel bar are loosened; the post-tensioning method is that concrete is poured firstly, when the specified strength is reached, the steel bars passing through the reserved hole channels in the concrete are tensioned and anchored at two ends; the prestress can improve the tensile capacity of concrete when bearing load, prevent or delay the appearance of crack, and increase the rigidity of structure, save steel and cement.

The existing prestressed concrete hollow floor system does not have an assembly structure, a plurality of groups of floor cover plates are inconvenient to splice and assemble, the panels cannot be adsorbed in time at the first time after concrete pouring, and air bubbles are easily generated inside the floor system; therefore, the prestressed concrete hollow floor structure is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hollow superstructure structure of prestressed concrete solves the hollow superstructure of current prestressed concrete and does not possess assembly structure, inconvenient concatenation equipment between the multiunit floor slab, and the unable timely adsorption panel of very first time behind the concrete placement, the inside problem that easily produces the bubble.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a prestressed concrete hollow floor structure, including floor slab and prestressed reinforcement, floor slab upper surface array has a plurality of hollow grooves, the relative both sides wall of hollow groove runs through and has the perforation, prestressed reinforcement installs in the perforation inside, floor slab left side wall fixedly connected with picture peg, floor slab right side wall has seted up the board groove, picture peg and board groove clamp cooperation, and the hollow groove carries out concrete placement, and reinforced concrete structure is drawn and to have the crack, though do not influence safety, the perception is not good; firstly, applying tension to the steel bar, then pouring concrete, and loosening the steel bar when the strength meets the requirement, so that the steel bar retracts and is offset with the tension of the normal use load.

Further, a plurality of set squares of hollow tank bottom surface fixedly connected with, the set square reserves certain inclined plane for the hollow tank, increases the binding face of concrete, strengthens the adsorption efficiency of concrete, reduces the production in bubble and space to a certain extent simultaneously, strengthens the structural strength after the concrete placement effectively.

Furthermore, a plurality of inserting columns are fixedly connected to one side wall of the inserting plate, a plurality of column grooves are formed in one side wall of each plate groove, and the inserting columns are clamped and matched with the column grooves.

Furthermore, a spring groove is formed in one side wall of the inserting column, a memory spring is connected inside the spring groove, and one end of the memory spring is connected with a clamping block.

Furthermore, a clamping groove is formed in one surface of the column groove, and the clamping block is clamped and matched with the clamping groove.

Furthermore, a plurality of pressure grooves are formed in the upper surface of the floor slab and connected with the clamping grooves.

Furthermore, a plurality of buffer springs are connected to the inner surface of the pressure groove, one end of each buffer spring is connected with a pressure plate, a pressure post is fixedly connected to the inner surface of each pressure plate, the position of each pressure post is matched with the corresponding clamping groove, when the floor plates need to be assembled, the inserting plate is clamped into the plate groove of another floor plate, the inserting post is inserted into the corresponding column groove, the clamping block is extruded by the column groove and is pressed into the spring groove, when the position of the spring groove is matched with the clamping groove, the memory spring ejects the clamping block, and the clamping block is clamped into the clamping groove, so that a plurality of groups of floor plates are fixed, the structure is stable after the fixing, the easy assembly of the plurality of groups of floor plates is realized, and the assembly efficiency is effectively improved; if need dismantle, press the clamp plate, the clamp plate drives the compression leg and extrudees the fixture block, and the fixture block is pushed into the spring groove to dismantlement that can relax.

The utility model discloses following beneficial effect has:

the utility model discloses a set up the set-square, reserve certain inclined plane for the hollow groove, increase the binding face of concrete, the adsorption efficiency of reinforcing concrete, reduce the production in bubble and space to a certain extent simultaneously, the structural strength after effectively strengthening the concrete placement; through setting up board groove, picture peg, inserting post, post groove, fixture block and draw-in groove, realized the light equipment between the multiunit floor board, promoted assembly efficiency effectively.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is an isometric schematic view of a prestressed concrete hollow floor structure;

FIG. 2 is a schematic top view of a prestressed concrete hollow floor structure;

FIG. 3 is a schematic view of the cross-sectional structure A-A of FIG. 2;

FIG. 4 is a partial enlarged view of portion B of FIG. 3;

FIG. 5 is an enlarged view of a portion C of FIG. 3;

fig. 6 is a right side perspective view of a prestressed concrete hollow floor structure.

In the drawings, the components represented by the respective reference numerals are listed below: 1. a floor slab; 2. inserting plates; 3. a plate groove; 4. a hollow groove; 5. perforating; 6. pre-stressing the steel bars; 7. inserting a column; 8. a column groove; 9. a spring slot; 10. a memory spring; 11. a clamping block; 12. pressing a groove; 13. a card slot; 14. a buffer spring; 15. pressing a plate; 16. pressing the column; 17. a triangular plate.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "middle", "outer", "inner", and the like, indicate positional or positional relationships, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Referring to fig. 1-6, the utility model relates to a prestressed concrete hollow floor structure, including floor slab 1 and prestressed reinforcement 6, floor slab 1 upper surface array has a plurality of hollow grooves 4, hollow groove 4 relative both sides wall runs through and has been perforated 5, prestressed reinforcement 6 is installed in perforation 5, floor slab 1 left side wall fixedly connected with picture peg 2, floor slab 1 right side wall has seted up plate slot 3, picture peg 2 clamps with plate slot 3 and cooperates, hollow groove 4 carries out concrete placement, reinforced concrete structure has the crack, although do not influence safety, the perception is not good; firstly, applying tension to the steel bar, then pouring concrete, and loosening the steel bar when the strength meets the requirement, so that the steel bar retracts and is offset with the tension of the normal use load; a plurality of set squares 17 of hollow groove 4 bottom surface fixedly connected with, set square 17 reserves certain inclined plane for hollow groove 4, increases the binding face of concrete, strengthens the adsorption efficiency of concrete, reduces the production in bubble and space to a certain extent simultaneously, strengthens the structural strength after the concrete placement effectively.

A plurality of inserting columns 7 are fixedly connected to one side wall of the inserting plate 2, a plurality of column grooves 8 are formed in one side wall of the plate groove 3, and the inserting columns 7 are matched with the column grooves 8 in a clamping mode; a spring groove 9 is formed in one side wall of the inserting column 7, a memory spring 10 is connected inside the spring groove 9, and one end of the memory spring 10 is connected with a clamping block 11; a clamping groove 13 is formed in one surface of the column groove 8, and the clamping block 11 is clamped and matched with the clamping groove 13; the upper surface of the floor slab 1 is provided with a plurality of pressure grooves 12, and the pressure grooves 12 are connected with the clamping grooves 13; the inner surface of the pressure groove 12 is connected with a plurality of buffer springs 14, one end of each buffer spring 14 is connected with a pressure plate 15, the inner surface of each pressure plate 15 is fixedly connected with a pressure column 16, the position of each pressure column 16 is matched with the corresponding clamping groove 13, when the floor plate 1 needs to be assembled, the inserting plate 2 is clamped into the plate groove 3 of another floor plate 1, the inserting column 7 is inserted into the column groove 8, the fixture blocks 11 are extruded by the column grooves 8 and are pressed into the spring grooves 9, when the positions of the spring grooves 9 and the clamping grooves 13 are aligned, the memory springs 10 eject the fixture blocks 11, and the fixture blocks 11 are clamped into the clamping grooves 13, so that the multiple groups of floor plates 1 are fixed, the fixed structure is stable, the easy assembly among the multiple groups of floor plates 1 is realized, and the assembly efficiency is effectively improved; if the disassembly is needed, the pressing plate 15 is pressed, the pressing plate 15 drives the pressing column 16 to extrude the fixture block 11, and the fixture block 11 is pushed into the spring groove 9, so that the disassembly can be easily carried out.

The embodiment shown in fig. 1 to 6 is a method for using a prestressed concrete hollow floor structure, which comprises the following steps: when the hollow groove 4 is concreted, the reinforced concrete structure is pulled to have cracks, and although the safety is not influenced, the appearance is not good; firstly, applying tension to the steel bar, then pouring concrete, and loosening the steel bar when the strength meets the requirement, so that the steel bar retracts and is offset with the tension of the normal use load; the triangular plate 17 reserves a certain inclined plane for the hollow groove 4, increases the binding surface of concrete, enhances the adsorption capacity of the concrete, reduces the generation of bubbles and gaps to a certain extent, and effectively enhances the structural strength after the concrete is poured; when the floor boards 1 need to be assembled, the inserting plate 2 is clamped into the plate groove 3 of another floor board 1, the inserting column 7 is inserted into the column groove 8, the clamping block 11 is extruded by the column groove 8 and is pressed into the spring groove 9, when the position of the spring groove 9 is aligned with the clamping groove 13, the memory spring 10 ejects the clamping block 11, and the clamping block 11 is clamped into the clamping groove 13, so that a plurality of groups of floor boards 1 are fixed, the structure is stable after the fixing, the easy assembly among the groups of floor boards 1 is realized, and the assembly efficiency is effectively improved; if the disassembly is needed, the pressing plate 15 is pressed, the pressing plate 15 drives the pressing column 16 to extrude the fixture block 11, and the fixture block 11 is pushed into the spring groove 9, so that the disassembly can be easily carried out.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. Hollow superstructure structure of prestressed concrete, including floor board (1) and prestressing steel (6), its characterized in that: floor board (1) upper surface array has a plurality of hollow groove (4), hollow groove (4) relative both sides wall runs through and has perforate (5), install in perforation (5) inside prestressed reinforcement (6), floor board (1) left side wall fixedly connected with picture peg (2), board groove (3) have been seted up to floor board (1) right side wall, picture peg (2) clamp the cooperation with board groove (3).

2. The prestressed concrete hollow floor structure according to claim 1, wherein a plurality of triangular plates (17) are fixedly connected to the bottom surface of the hollow groove (4).

3. The prestressed concrete hollow floor structure according to claim 1, wherein a plurality of insert columns (7) are fixedly connected to one side wall of the insert plate (2), a plurality of column grooves (8) are formed in one side wall of the plate groove (3), and the insert columns (7) are in clamping fit with the column grooves (8).

4. The prestressed concrete hollow floor structure according to claim 3, wherein a spring groove (9) is formed in one side wall of the insert column (7), a memory spring (10) is connected inside the spring groove (9), and a clamping block (11) is connected to one end of the memory spring (10).

5. The prestressed concrete hollow floor structure according to claim 4, wherein a clamping groove (13) is formed in one surface of the column groove (8), and the clamping block (11) is in clamping fit with the clamping groove (13).

6. The prestressed concrete hollow floor structure according to claim 5, wherein the upper surface of said floor slab (1) is provided with a plurality of press grooves (12), said press grooves (12) being connected with said clamping grooves (13).

7. The prestressed concrete hollow floor structure according to claim 6, wherein a plurality of buffer springs (14) are connected to the inner surface of the press groove (12), one end of each buffer spring (14) is connected with a press plate (15), press columns (16) are fixedly connected to the inner surface of each press plate (15), and the positions of the press columns (16) are matched with the clamping grooves (13).