CN210976256U

CN210976256U - Steel bar truss hollow floor slab

Info

Publication number: CN210976256U
Application number: CN201921731960.XU
Authority: CN
Inventors: 董书梅; 杜轩宇; 刘静锋; 叶浩
Original assignee: Jiangsu Haogang Construction Technology Co ltd
Current assignee: Jiangsu Haogang Construction Technology Co ltd
Priority date: 2019-10-16
Filing date: 2019-10-16
Publication date: 2020-07-10
Anticipated expiration: 2029-10-16

Abstract

The utility model discloses a steel bar truss hollow floor belongs to building material technical field. A steel bar truss hollow floor slab comprises a steel bar truss body, wherein a bottom plate connecting piece is clamped at the bottom of the steel bar truss body, and a supporting bottom plate is arranged at the bottom of the bottom plate connecting piece; the utility model discloses a hollow filling tube, the steel bar truss body, the bottom plate connecting piece, the cooperation of supporting baseplate and flange screw is used, because all components are prefabricated formula, be convenient for mat formation it fast, the constructor adds in the middle of each truss and establishes hollow filling tube and fixed whole of forming after the completion of mating formation, can bear the weight of concrete dead weight and construction load at the in-process of construction, the surface keeps unanimous about having pour concrete back floor, make this floor under the condition that does not influence self rigidity, self weight reduces greatly, the reinforcing bar quantity and the concrete quantity of use have been reduced, use cost is reduced.

Description

Steel bar truss hollow floor slab

Technical Field

The utility model relates to a building material technical field especially relates to a steel bar truss hollow floor.

Background

The existing steel bar truss floor bearing plate and floor slab are composed of the steel bar truss floor bearing plate, on-site additional steel bars, concrete and the like. Along with building service function demand's continuous improvement, the parallel when designing the floor adds the load and changes because of the actual conditions according to the use to lead to the structure dead weight to increase, in order effectively to alleviate the floor dead weight, adopt the mode of hollow floor more.

The conventional hollow floor slab is improved in the aspect of a template by combining the traditional concrete construction technology, and has the defects of complex structure, complex construction and the like.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art and improving in the aspect of the template, there is the complicated, the loaded down with trivial details problem of construction of structure, and the hollow floor of a steel bar truss who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a steel bar truss hollow floor, includes the steel bar truss body, the bottom joint of steel bar truss body has the bottom plate connecting piece, the bottom of bottom plate connecting piece is provided with supporting baseplate, the inside grafting of supporting baseplate has the flange screw, the one end of flange screw run through supporting baseplate's inside and with bottom plate connecting piece threaded connection, the quantity of steel bar truss body is a plurality of, and a plurality of the steel bar truss body all is provided with hollow filling pipe between two liang.

Preferably, additional steel bars are arranged inside the steel bar truss body, and a cavity is formed inside the hollow filling pipe.

Preferably, a concrete precast layer is arranged at the top of the supporting bottom plate, and the steel bar truss body is arranged inside the concrete precast layer.

Preferably, the number of the supporting base plates is a plurality, and a plurality of the supporting base plates are all inserted with the base plate reinforcing rods.

Preferably, the inside of the supporting bottom plate is provided with a circulation groove, and two sides of the circulation groove are provided with drain holes.

Preferably, the number of the circulation grooves is several, and the several circulation grooves are arranged in the support bottom plate in a rectangular array.

Compared with the prior art, the utility model provides a steel bar truss hollow floor possesses following beneficial effect:

1. the utility model discloses, through hollow filling tube, the steel bar truss body, the bottom plate connecting piece, the cooperation of supporting baseplate and flange screw is used, because all components are prefabricated formula, be convenient for mat formation it fast, it adds in the middle of each truss to establish hollow filling tube and fixed whole of forming to mat formation completion back constructor, can bear the weight of concrete dead and construction load at the in-process of construction, the surface keeps unanimous about having pour concrete back floor, make this floor under the condition that does not influence self rigidity, self weight reduces greatly, the reinforcing bar quantity and the concrete quantity of use have been reduced, use cost is reduced.

2. The utility model discloses, through the bottom plate connecting piece, supporting baseplate, the cooperation of flange screw and bottom plate anchor strut is used, after concrete placement shaping, constructor is through twisting out bottom plate anchor strut and flange screw, thereby can dismantle bottom plate connecting piece and supporting baseplate respectively, the constructor of being convenient for can carry out reuse to it, through the runner duct, wash port and supporting baseplate's setting, can increase the mobility of concrete bottom air, accelerate concrete shaping's speed, constructor is at the in-process of concreting simultaneously, rainwater accessible wash port discharges.

The device does not relate to the part and all is the same with prior art or can adopt prior art to realize, the utility model discloses can bear the weight of concrete dead weight and construction load at the in-process of construction, pour concrete back floor upper and lower surface keep unanimous for this floor is under the condition that does not influence self rigidity, and self weight reduces greatly, has reduced reinforcing bar quantity and concrete volume, has reduced use cost.

Drawings

Fig. 1 is a schematic view of the front cross-sectional structure of the present invention;

FIG. 2 is a schematic view of the front view cross-section structure of the concrete precast layer of the present invention;

FIG. 3 is a schematic view of the three-dimensional structure of the supporting bottom plate of the present invention;

fig. 4 is a schematic view of the three-dimensional structure of the bottom plate connecting piece of the present invention.

In the figure: 1. a steel bar truss body; 2. a base plate connector; 3. a support base plate; 4. a flange screw; 5. a hollow fill tube; 6. adding a steel bar; 7. pre-pouring a concrete layer; 8. a circulation tank; 9. a drain hole; 10. a bottom plate reinforcing rod.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to 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. 1-4, a steel bar truss hollow floor slab comprises a steel bar truss body 1, a bottom plate connecting piece 2 is clamped at the bottom of the steel bar truss body 1, a supporting bottom plate 3 is arranged at the bottom of the bottom plate connecting piece 2, the steel bar truss body 1 can be fixed at the top of the supporting bottom plate 3 through the arrangement of the bottom plate connecting piece 2, a flange screw 4 is inserted into the supporting bottom plate 3, one end of the flange screw 4 penetrates through the inside of the supporting bottom plate 3 and is in threaded connection with the bottom plate connecting piece 2, a constructor can disassemble the bottom plate connecting piece 2 after screwing out the flange screw 4, the constructor can conveniently recycle the steel bar truss body, the number of the steel bar truss bodies 1 is multiple, hollow filling pipes 5 are arranged between every two steel bar truss bodies 1, additional steel bars 6 are arranged in the steel bar truss body 1, and the additional steel bars 6, The hollow filling pipe 5, the flange screw 4, the steel bar truss body 1, the bottom plate connecting piece 2 and the supporting bottom plate 3 are all prefabricated, which is convenient for construction personnel to quickly pave the hollow filling pipe 5, the construction personnel adds the hollow filling pipe 5 in the middle of each truss after paving and fixes the truss to form a whole, the hollow filling pipe 5 can bear the dead weight of concrete and construction load in the construction process, a cavity is arranged in the hollow filling pipe 5, the top of the supporting bottom plate 3 is provided with a concrete precast layer 7, the upper surface and the lower surface of the floor slab are kept consistent after pouring the concrete, the floor slab has greatly reduced self weight under the condition of not influencing self rigidity due to the hollow inside of the hollow filling pipe 5, the using amount of the steel bar and the using amount of the concrete are reduced, the use cost is reduced, the steel bar truss body 1 is arranged in the concrete precast layer 7, the number of the supporting bottom plates 3 is a plurality, and the inside of a plurality of supporting baseplate 3 is all pegged graft and has been had bottom plate stiffener 10, and circulation groove 8 has been seted up to the inside of supporting baseplate 3, and wash port 9 has all been seted up to the both sides of circulation groove 8, and the quantity of circulation groove 8 is a plurality of, and a plurality of circulation groove 8 is seted up in the inside of supporting baseplate 3 with the form of rectangle array.

In the utility model, through the cooperation of the hollow filling pipe 5, the steel bar truss body 1, the bottom plate connecting piece 2, the supporting bottom plate 3 and the flange screw 4, as all the components are prefabricated, the rapid pavement of the components is convenient, after the pavement is finished, the constructor adds the hollow filling pipe 5 in the middle of each truss and fixes the truss to form a whole, the self weight and the construction load can be borne in the construction process, the upper and lower surfaces of the floor after the concrete is poured are kept consistent, the self weight of the floor is greatly reduced under the condition that the self rigidity of the floor is not influenced, the steel bar usage and the concrete usage are reduced, the use cost is reduced, through the cooperation of the bottom plate connecting piece 2, the supporting bottom plate 3, the flange screw 4 and the bottom plate reinforcing rod 10, after the concrete is poured and formed, the constructor twists out the bottom plate rod 10 and the flange screw 4, thereby can dismantle bottom plate connecting piece 2 and supporting baseplate 3 respectively, the constructor of being convenient for can carry out reuse to it, through circulation groove 8, wash port 9 and supporting baseplate 3's setting, can increase the mobility of concrete bottom air for the fashioned speed of concrete, constructor is pouring the in-process of concrete simultaneously, and rainwater accessible wash port discharges.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a steel bar truss hollow floor, includes steel bar truss body (1), its characterized in that, the bottom joint of steel bar truss body (1) has bottom plate connecting piece (2), the bottom of bottom plate connecting piece (2) is provided with supporting baseplate (3), the inside of supporting baseplate (3) is pegged graft and is had flange screw (4), the one end of flange screw (4) run through the inside of supporting baseplate (3) and with bottom plate connecting piece (2) threaded connection, the quantity of steel bar truss body (1) is a plurality of, and a plurality of steel bar truss body (1) all is provided with hollow filling tube (5) between two liang.

2. The steel bar truss hollow floor as claimed in claim 1, wherein the steel bar truss body (1) is provided with additional steel bars (6) inside, and the hollow filling pipe (5) is provided with a cavity inside.

3. A steel bar truss hollow floor as claimed in claim 1, wherein the top of the support floor (3) is provided with a precast concrete layer (7), and the steel bar truss body (1) is arranged inside the precast concrete layer (7).

4. The steel bar truss hollow floor as claimed in claim 1, wherein the number of the support bottom plates (3) is several, and a bottom plate reinforcing rod (10) is inserted into the inside of each of the several support bottom plates (3).

5. The hollow floor slab with the steel bar trusses as claimed in claim 1, wherein the supporting bottom plate (3) is internally provided with a circulation groove (8), and both sides of the circulation groove (8) are provided with drainage holes (9).

6. A hollow floor slab with steel bar trusses according to claim 5, wherein the number of said flow grooves (8) is several, and several of said flow grooves (8) are opened in the form of rectangular array in the inside of the supporting bottom plate (3).