CN219604659U - Hollow precast slab of steel truss - Google Patents

Abstract

The utility model provides a steel truss hollow precast slab, and relates to the technical field of civil construction engineering. This hollow prefabricated plate of steel truss, including lower prefabricated plate and last prefabricated plate, go up the prefabricated plate and from left to right has set gradually a plurality of steel trusses down between the prefabricated plate, a plurality of equal fixedly connected with in the steel truss outside a plurality of support pieces that are used for supporting, support piece fixed connection is in going up between prefabricated plate and the lower prefabricated plate, this hollow prefabricated plate of steel truss, the spliced pole outside fixedly connected with in support piece three support steel, is the triangular pyramid through three support steel, through the characteristic of triangle-shaped support, guarantees support piece's supporting stability. And the lower part of the connecting column is provided with supporting steel, and the connecting rod is fixedly connected between the supporting column and the three supporting steel to form a small triangle shape, so that the supporting property of the connecting column is enhanced, and the member has high rigidity and strong durability.

Description

Hollow precast slab of steel truss

Technical Field

The utility model relates to a prefabricated plate, in particular to a steel truss hollow prefabricated plate, and belongs to the technical field of civil construction engineering.

Background

Prefabricated panels are floors commonly used in construction, i.e. modules or panels to be used in engineering. Because the prefabricated concrete member is produced and processed in a prefabrication factory, the prefabricated concrete member is directly transported to a construction site for installation, and the prefabricated concrete member has the advantages of centralized production and low cost.

So the patent number is now disclosed: CN108532808A is a steel truss hollow precast slab. According to the utility model, a plurality of steel trusses are arranged on a prefabricated bottom plate in parallel, light filling bodies are arranged between adjacent steel trusses, and gaps are arranged between the adjacent light filling bodies; the steel truss comprises a steel skeleton, a straight steel bar I, a straight steel bar II, a plurality of inverted V-shaped steel bars I, a plurality of inverted V-shaped steel bars II, a plurality of horizontal V-shaped steel bars I and a plurality of horizontal V-shaped steel bars II; a plurality of inverted V-shaped steel bars I are arranged between the steel skeleton and the straight steel bars I at intervals, and a plurality of inverted V-shaped steel bars II are arranged between the steel skeleton and the straight steel bars II at intervals; the lower ends of adjacent inverted V-shaped steel bars I are connected through horizontal V-shaped steel bars I; the lower ends of adjacent inverted V-shaped steel bars II are connected through horizontal V-shaped steel bars II. The light filling body is used for forming a hollow structure when the fabricated building laminated slab is prepared, has the advantages of light dead weight, high rigidity of components, high durability and convenient construction, and is suitable for large span, large load and various environmental categories.

The scheme has a plurality of benefits, when the support in the scheme mainly supports the middle part of the plate, but the support strength of the two ends of the plate is insufficient, and when the plate is used, the plate is easy to break or dent.

Disclosure of Invention

(one) solving the technical problems

The utility model aims to solve the problems and provide a steel truss hollow precast slab which solves the problems that the supporting strength of two ends of a slab is insufficient, and the slab is easy to break or dent when being used in the prior art. Problems.

(II) technical scheme

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the steel truss hollow precast slab comprises a lower precast slab and an upper precast slab, wherein a plurality of steel trusses are sequentially arranged between the upper precast slab and the lower precast slab from left to right, a plurality of supporting pieces used for supporting are fixedly connected to the outer sides of the steel trusses, the supporting pieces are fixedly connected between the upper precast slab and the lower precast slab, and fasteners are fixedly connected to two ends of two adjacent steel trusses;

the fastener comprises a first side plate, a second side plate and a third side plate, wherein the first side plate, the second side plate and the third side plate are sequentially fixed end to end and are in triangular support, the connection part of the first side plate and the second side plate is fixedly connected with a lower precast plate, and the connection part of the first side plate, the second side plate and the third side plate is respectively fixedly connected with two steel trusses.

Preferably, the support piece comprises a connecting column, the connecting column is fixedly connected with the bottom of the upper precast slab, three support steels are fixedly connected to the outer side of the connecting column, and the three support steels are fixedly connected with the lower precast slab.

Preferably, the support piece further comprises a support column, the support column is arranged at the bottom of the connecting column and fixedly connected with the lower precast slab, three connecting rods are fixedly connected to the outer side of the support column and fixedly connected with three support steels respectively, and the support effect of the support steels is enhanced through the connecting rods to form local reinforcement.

Preferably, three of the support steels are combined to be arranged in a triangular pyramid.

Preferably, a plurality of supporting steel bars are arranged between the adjacent steel trusses, a plurality of vertical steel bars are fixedly connected to the outer sides of the supporting steel bars, and two ends of the vertical steel bars are fixedly connected with the upper precast slab and the lower precast slab respectively.

Preferably, a plurality of equal fixedly connected with of supporting bar both ends is fixed the reinforcing bar, fixed reinforcing bar sets up inside the fastener, the junction fixed connection of third curb plate and first curb plate, second curb plate respectively is favorable to strengthening the whole supportability of fastener at the both ends of fixed reinforcing bar.

Preferably, the steel bar net is arranged inside the lower prefabricated plate and comprises a plurality of longitudinal steel bars and a plurality of transverse steel bars, the longitudinal steel bars are uniformly distributed transversely along the lower prefabricated plate, the transverse steel bars are uniformly distributed longitudinally along the lower prefabricated plate, and the longitudinal steel bars and the transverse steel bars are arranged in a staggered mode.

The utility model provides a steel truss hollow precast slab, which has the following beneficial effects:

1. this hollow prefabricated plate of steel truss, the spliced pole outside fixedly connected with three support steel in support piece is the triangular pyramid through three support steel, through the characteristic that triangle-shaped supported, guarantees support piece's supporting stability. And the lower part of the connecting column is provided with supporting steel, and the connecting rod is fixedly connected between the supporting column and the three supporting steel to form a small triangle shape, so that the supporting property of the connecting column is enhanced, and the member has high rigidity and strong durability.

2. This hollow prefabricated plate of steel truss, in the perpendicular reinforcing bar of supporting reinforcement outside fixedly connected with, support prefabricated plate and lower prefabricated plate through perpendicular reinforcing bar to at the equal fixedly connected with fixed reinforcing bar in supporting reinforcement both ends, set up inside the fastener through fixed reinforcing bar, make the one end and the third curb plate other end of fixed reinforcing bar fixed with first curb plate and second curb plate junction, strengthen the stability of fastener, and strengthen the compactness of supporting reinforcement and fastener.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a view of a steel truss of the utility model;

FIG. 3 is a schematic view of the support structure of the present utility model;

FIG. 4 is a schematic view of the structure of the fastener of the present utility model.

In the figure: 1. an upper precast slab; 2. a lower prefabricated plate; 3. a steel truss; 4. a support; 401. a connecting column; 402. supporting steel; 403. a support column; 404. a connecting rod; 5. a fastener; 501. a first side plate; 502. a second side plate; 503. a third side plate; 6. supporting the steel bar; 7. vertical steel bars; 8. fixing the reinforcing steel bars; 9. a reinforcing mesh; 901. longitudinal steel bars; 902. transverse steel bars.

Detailed Description

The embodiment of the utility model provides a steel truss hollow precast slab.

Referring to fig. 1, 2, 3 and 4, the prefabricated slab comprises a lower prefabricated slab 2 and an upper prefabricated slab 1, a plurality of steel trusses 3 are sequentially arranged between the upper prefabricated slab 1 and the lower prefabricated slab 2 from left to right, a plurality of supporting pieces 4 for supporting are fixedly connected to the outer sides of the steel trusses 3, the supporting pieces 4 are fixedly connected between the upper prefabricated slab 1 and the lower prefabricated slab 2, and fasteners 5 are fixedly connected to two ends of two adjacent steel trusses 3;

the fastener 5 comprises a first side plate 501, a second side plate 502 and a third side plate 503, the first side plate 501, the second side plate 502 and the third side plate 503 are sequentially fixed end to end and are supported in a triangle shape, the connection position of the first side plate 501 and the second side plate 502 is fixedly connected with the lower prefabricated plate 2, and the connection position of the first side plate 501, the second side plate 502 and the third side plate 503 is respectively fixedly connected with the two steel trusses 3.

Specifically, the fasteners 5 are fixedly connected between two ends of two adjacent steel trusses 3, and the first side plate 501, the second side plate 502 and the third side plate 503 are connected end to end, so that stability between the adjacent steel trusses 3 is ensured, and the strength of two ends of the two upper precast slabs 1 and the two ends of the lower precast slab 2 are enhanced.

Referring to fig. 1, 2, 3 and 4 again, the supporting member 4 includes a connecting column 401, the connecting column 401 is fixedly connected with the bottom of the upper prefabricated slab 1, three supporting steels 402 are fixedly connected with the outer side of the connecting column 401, and the three supporting steels 402 are fixedly connected with the lower prefabricated slab 2. The support piece 4 further comprises a support column 403, the support column 403 is arranged at the bottom of the connecting column 401 and is fixedly connected with the lower precast slab 2, three connecting rods 404 are fixedly connected to the outer side of the support column 403, the three connecting rods 404 are fixedly connected with the three support steels 402 respectively, and the support effect of the support steels 402 is enhanced through the connecting rods 404, so that local reinforcement is formed. The three support steels 402 are combined to be arranged in a triangular pyramid.

Specifically, through being provided with a plurality of steel trusses 3 between last prefabricated plate 1 and lower prefabricated plate 2, be provided with support piece 4 in a plurality of steel trusses 3 outsides, through supporting last prefabricated plate 1 and lower prefabricated plate 2, the spliced pole 401 outside fixedly connected with three support steel 402 in support piece 4 is the triangular pyramid through three support steel 402, through the characteristic that triangle-shaped supported, guarantees the support stability of support piece 4. And the lower part of the connecting column 401 is provided with supporting steel 402, and the connecting rod 404 fixedly connected between the supporting columns 403 and the three supporting steel 402 is used for forming a small triangle shape, so that the supporting property of the connecting column is enhanced, and the member has high rigidity and strong durability.

Referring to fig. 1, 2, 3 and 4 again, a plurality of supporting bars 6 are disposed between the adjacent steel trusses 3, a plurality of vertical bars 7 are fixedly connected to the outer sides of the supporting bars 6, and two ends of the vertical bars 7 are fixedly connected to the upper prefabricated plate 1 and the lower prefabricated plate 2 respectively. The fixed reinforcing bars 8 are fixedly connected to the two ends of the supporting reinforcing bars 6, the fixed reinforcing bars 8 are arranged inside the fastening pieces 5, the two ends of the fixed reinforcing bars 8 are fixedly connected to the connecting parts of the third side plate 503, the first side plate 501 and the second side plate 502 respectively, and the whole supportability of the fastening pieces 5 is enhanced.

The inside reinforcing bar net 9 that is provided with of prefabricated plate 2 down, reinforcing bar net 9 include a plurality of vertical reinforcing bars 901 and a plurality of horizontal reinforcing bars 902, and vertical reinforcing bars 901 is along the horizontal evenly distributed of prefabricated plate 2 down, and horizontal reinforcing bars 902 are along the vertical evenly distributed of prefabricated plate 2 down, and vertical reinforcing bars 901 and horizontal reinforcing bars 902 are crisscross to be set up.

Specifically, be provided with supporting bar 6 simultaneously between two adjacent steel trusses 3, the perpendicular reinforcing bar 7 of fixedly connected with in the supporting bar 6 outside supports precast slab 1 and lower precast slab 2 through perpendicular reinforcing bar 7, and all fixedly connected with fixed bar 8 at supporting bar 6 both ends, set up inside fastener 5 through fixed bar 8, make the one end and the third curb plate 503 other end of fixed bar 8 fixed with first curb plate 501 and second curb plate 502 junction, strengthen the stability of fastener 5, and strengthen the compactness of supporting bar 6 and fastener 5.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (7)

1. The utility model provides a hollow prefabricated plate of steel truss, includes prefabricated plate (2) and last prefabricated plate (1), its characterized in that down: a plurality of steel trusses (3) are sequentially arranged between the upper precast slab (1) and the lower precast slab (2) from left to right, a plurality of supporting pieces (4) used for supporting are fixedly connected to the outer sides of the steel trusses (3), the supporting pieces (4) are fixedly connected between the upper precast slab (1) and the lower precast slab (2), and fasteners (5) are fixedly connected to two ends of each two adjacent steel trusses (3);

fastener (5) are including first curb plate (501), second curb plate (502) and third curb plate (503), first curb plate (501), second curb plate (502) and third curb plate (503) are fixed in proper order from beginning to end, are triangle-shaped and support, first curb plate (501) and second curb plate (502) junction and lower prefabricated plate (2) fixed connection, the junction of first curb plate (501), second curb plate (502) and third curb plate (503) respectively with two steel truss (3) fixed connection.

2. A steel truss hollow precast slab as recited in claim 1, wherein: the support piece (4) comprises a connecting column (401), the connecting column (401) is fixedly connected with the bottom of the upper precast slab (1), three support steels (402) are fixedly connected to the outer side of the connecting column (401), and the three support steels (402) are fixedly connected with the lower precast slab (2).

3. A steel truss hollow precast slab as recited in claim 2, wherein: the support piece (4) further comprises a support column (403), the support column (403) is arranged at the bottom of the connecting column (401) and is fixedly connected with the lower prefabricated plate (2), three connecting rods (404) are fixedly connected to the outer side of the support column (403), and the three connecting rods (404) are fixedly connected with three support steels (402) respectively.

4. A steel truss hollow precast slab as recited in claim 3, wherein: three of the support steels (402) are combined to be arranged in a triangular pyramid.

5. A steel truss hollow precast slab as recited in claim 1, wherein: a plurality of supporting steel bars (6) are arranged between the adjacent steel trusses (3), a plurality of vertical steel bars (7) are fixedly connected to the outer sides of the supporting steel bars (6), and two ends of each vertical steel bar (7) are fixedly connected with the upper precast slab (1) and the lower precast slab (2) respectively.

6. A steel truss hollow precast slab as recited in claim 5, wherein: a plurality of all fixedly connected with fixed steel bar (8) at supporting bar (6) both ends, fixed steel bar (8) set up inside fastener (5), the junction fixed connection of third curb plate (503) and first curb plate (501), second curb plate (502) are respectively to the both ends of fixed steel bar (8).

7. A steel truss hollow precast slab as recited in claim 1, wherein: the steel bar net (9) is arranged inside the lower prefabricated plate (2), the steel bar net (9) comprises a plurality of longitudinal steel bars (901) and a plurality of transverse steel bars (902), the longitudinal steel bars (901) are uniformly distributed transversely along the lower prefabricated plate (2), the transverse steel bars (902) are uniformly distributed longitudinally along the lower prefabricated plate (2), and the longitudinal steel bars (901) and the transverse steel bars (902) are arranged in a staggered mode.