CN219343698U

CN219343698U - High corrosion resistant steel bar truss floor support plate

Info

Publication number: CN219343698U
Application number: CN202223508260.9U
Authority: CN
Inventors: 季陈玲; 丁迎春
Original assignee: Nanjing Yaofeng New Material Technology Co ltd
Current assignee: Nanjing Yaofeng New Material Technology Co ltd
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-07-14
Anticipated expiration: 2032-12-28

Abstract

The utility model discloses a high corrosion resistance steel bar truss floor support plate, which relates to the technical field of assembled buildings and comprises a steel bar truss, wherein the steel bar truss comprises an upper chord steel bar, a web member steel bar and a lower chord steel bar, the upper chord steel bar is positioned at the top of the web member steel bar, the lower chord steel bar is positioned at the bottom of the web member steel bar, the upper chord steel bar and the lower chord steel bar are both bundled with the web member steel bar through binding wires, and the outer sides of the lower chord steel bar are clamped with connecting pieces.

Description

High corrosion resistant steel bar truss floor support plate

Technical Field

The utility model relates to the technical field of assembled buildings, in particular to a high corrosion resistance steel bar truss floor support plate.

Background

The steel bar truss floor support plate is characterized in that steel bars are used as upper chords, lower chords and web members, trusses formed by means of resistance spot welding or binding wire bundling are called steel bar trusses, and the steel bar trusses and a bottom plate are fixedly connected to form an integral combined bearing plate which is called a steel bar truss floor support plate.

For example, chinese patent literature of publication No. CN209099608U discloses a corrosion-resistant steel bar truss floor support plate, which describes that "including the floor support plate body, the floor support plate body includes the steel sheet layer, the surface of steel sheet layer is provided with rust-resistant alloy coating, rust-resistant alloy coating's surface is provided with first rust-resistant paint layer, the top fixedly connected with steel bar truss body of floor support plate body", the cooperation of this utility model through setting up floor support plate body, steel sheet layer, rust-resistant alloy coating, first rust-resistant paint layer, steel bar truss body and strengthening rib is used, the problem that current steel bar truss floor support plate life is shorter has been solved, this steel bar truss floor support plate possesses long service life's advantage.

The following drawbacks or problems remain in connection with the prior art: the existing steel bar trusses are fixedly connected with the floor support plates in a direct contact mode by adopting a spot welding mode, and the method has the defects that concrete is poured on the floor support plates, after the floor support plates are removed, the bottom connecting parts of the steel bar trusses are easily exposed in the air, the protection of the concrete on the steel bars is lacking, the steel bar trusses are easily corroded by moisture in the outside air, and the service life of the precast slabs is easily shortened.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a high corrosion resistance steel bar truss floor support plate.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a high corrosion resistant steel bar truss building carrier plate, includes the steel bar truss, the steel bar truss includes string bar, web member reinforcing bar, lower chord reinforcing bar, it is located the top of web member reinforcing bar to go up the chord bar, the lower chord reinforcing bar is located the bottom of web member reinforcing bar, it ties up through the binding with the web member reinforcing bar to go up chord bar, lower chord reinforcing bar, the outside joint connecting piece of lower chord reinforcing bar, the lower thread groove has been seted up to the bottom of connecting piece, the connecting piece has set screw through lower thread groove threaded connection, the building carrier plate has been placed to the bottom of connecting piece, connecting piece and building carrier plate pass through set screw fixed connection.

Preferably, the top of the connecting piece is provided with a groove, the two sides of the connecting piece, which are positioned on the groove, are provided with inner clamping grooves, and the lower chord steel bars are positioned at the inner clamping grooves.

Preferably, the outer wall of the fixing screw is sleeved with a sealing gasket, and the sealing gasket is positioned below the floor support plate and is contacted with the outer wall of the floor support plate.

Preferably, the upper thread groove is all offered to connecting piece upper surface both sides, it has vertical strengthening rib to go up thread groove internal thread connection, the outer wall of vertical strengthening rib is fixed to have cup jointed the spacing ring, the top of vertical strengthening rib passes through the binding with last string reinforcing bar and ties up, the both sides of vertical strengthening rib extension last string reinforcing bar are crisscross to be arranged.

Preferably, the connecting piece is made of aluminum alloy materials, the floor support plate is made of steel materials, a sealing layer is sprayed on the outer wall of the floor support plate, and a protection layer is sprayed on the outer wall of the sealing layer.

Preferably, the sealing layer adopts epoxy resin antirust paint with the thickness of 0.1-1.5mm, and the protective layer adopts ZS-711 inorganic anticorrosive paint with the thickness of 0.5-2.0mm.

The beneficial effects of the utility model are as follows:

1. according to the utility model, due to the action of the connecting piece, the bottom of the connecting piece is exposed outside, but the concrete can completely wrap the steel bar truss, so that the bottom connecting part of the steel bar truss is prevented from being directly exposed in the air, the steel bar truss is prevented from being corroded by moisture in the outside air, and the service life of the precast slab is prolonged.

2. According to the utility model, the sealing layer and the protective layer are sprayed on the outer surface of the floor support plate, so that the rust resistance effect of the floor support plate can be improved, the service life of the floor support plate is prolonged, and the floor support plate can be reused.

Drawings

Fig. 1 is a front view of a high corrosion resistance steel bar truss floor deck of the present utility model.

Fig. 2 is a schematic structural view of the high corrosion resistance steel bar truss floor support plate of the present utility model.

Fig. 3 is a front view of a connector for a high corrosion resistance steel bar truss floor deck of the present utility model.

Fig. 4 is a schematic structural view of a connecting piece of the high corrosion resistance steel bar truss floor support plate of the present utility model.

Fig. 5 is a top view of the connector of the high corrosion resistant steel bar truss floor deck of the present utility model.

Fig. 6 is a bottom view of the connector of the high corrosion resistant steel bar truss floor deck of the present utility model.

Fig. 7 is a schematic structural view of a vertical stiffener of the high corrosion resistant steel bar truss floor deck of the present utility model.

Fig. 8 is a schematic structural view of a floor support plate of the high corrosion resistant steel bar truss floor support plate of the present utility model.

Reference numerals in the drawings: 1. steel bar truss; 101. winding a steel bar; 102. web member reinforcement; 103. lower chord steel bars; 2. a connecting piece; 201. a groove; 202. an inner clamping groove; 203. a thread groove is formed; 204. a lower thread groove; 3. floor support plate; 301. a sealing layer; 302. a protective layer; 4. a fixing screw; 5. vertical reinforcing ribs; 6. a sealing gasket; 7. and a limiting ring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

As shown in fig. 1 to 8:

the utility model provides a high corrosion resistant steel bar truss building carrier plate, including steel bar truss 1, steel bar truss 1 includes last chord steel bar 101, web member bar 102, lower chord steel bar 103, go up chord steel bar 101 and be located web member bar 102's top, lower chord steel bar 103 is located web member bar 102's bottom, go up chord steel bar 101, lower chord steel bar 103 all and web member bar 102 tie up through the binding, lower thread groove 204 has been seted up to lower chord steel bar 103's outside joint connection piece 2, lower thread groove 204 has been seted up to connection piece 2's bottom, connection piece 2 has set screw 4 through lower thread groove 204 threaded connection, building carrier plate 3 has been placed to connection piece 2's bottom, connection piece 2 passes through set screw 4 fixed connection with building carrier plate 3, recess 201 has been seted up at connection piece 2's both sides that are located recess 201, lower chord steel bar 103 is located interior draw-in groove 202 department.

In the above technical scheme, the upper chord steel bars 101 and the lower chord steel bars 103 are all tied up with the web member steel bars 102 through binding wires, the lower chord steel bars 103 are connected with the connecting pieces 2 through the inner clamping grooves 202, the whole steel bar truss 1 is supported by the connecting pieces 2, the connecting pieces 2 are connected with the floor support plate 3 through the fixing screws 4, after the concrete poured on the upper surface of the floor support plate 3 is solidified, the floor support plate 3 can be detached from the connecting pieces 2 by loosening the fixing screws 4, and due to the effect of the connecting pieces 2, the bottoms of the connecting pieces 2 are exposed outside, but the concrete can completely wrap the steel bar truss 1, the bottom connecting parts of the steel bar truss 1 are prevented from being directly exposed in the air, the steel bar truss 1 is prevented from being corroded by moisture in the outside air, and the service life of the precast slab is prolonged.

As shown in fig. 2, the outer wall of the fixing screw 4 is sleeved with a sealing gasket 6, and the sealing gasket 6 is positioned below the floor support plate 3 and is in contact with the outer wall of the floor support plate 3.

In the above technical scheme, through the design of sealing gasket 6, avoid building carrier plate 3 upper surface to stack the concrete and flow out through the through-hole of set screw 4 department.

As shown in fig. 3 to 7, upper thread grooves 203 are formed on two sides of the upper surface of the connecting piece 2, vertical reinforcing ribs 5 are connected with the inner threads of the upper thread grooves 203, limiting rings 7 are fixedly sleeved on the outer walls of the vertical reinforcing ribs 5, the top ends of the vertical reinforcing ribs 5 are tied with upper chord reinforcing bars 101 through binding wires, and the vertical reinforcing ribs 5 are staggered along two sides of the upper chord reinforcing bars 101.

In the above technical scheme, through the design of vertical strengthening rib 5, improved steel bar truss's stability, increase overall structure's bearing capacity simultaneously.

As shown in figure 8, the connecting piece 2 is made of aluminum alloy, the floor support plate 3 is made of steel, a sealing layer 301 is sprayed on the outer wall of the floor support plate 3, a protective layer 302 is sprayed on the outer wall of the sealing layer 301, the sealing layer 301 is made of epoxy resin type antirust paint, the thickness is 0.1-1.5mm, the protective layer 302 is made of ZS-711 inorganic anticorrosive paint, and the thickness is 0.5-2.0mm.

In the technical scheme, the connecting piece 2 is made of aluminum alloy, the sealing layer 301 is made of epoxy resin antirust paint, air can be effectively isolated, the defects of separation, falling or edge tilting and the like of the protective layer 302 and the floor support plate 3 are not easy to occur in the use of the floor support plate 3, the protective layer 302 is made of ZS-711 inorganic anticorrosive paint, the ZS-711 inorganic anticorrosive paint is acid-resistant and alkali-resistant for a long time, a substrate is protected in a heavy environment for a long time, the substrate can be firmly combined and painted with the surface of the substrate through chemical bonds and ionic bonds, the adhesive force is strong, the peeling and falling are avoided, the anti-abrasion and impact-resistant effects are realized, and when the surfaces of the sealing layer 301 and the protective layer 302 fail, the surface of the floor support plate 3 can be polished, and re-sprayed, so that the floor support plate 3 can be repeatedly used.

The present utility model is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present utility model and the inventive concept thereof, can be replaced or changed within the scope of the present utility model.

Claims

1. The utility model provides a high corrosion resistant steel bar truss building carrier plate, includes steel bar truss (1), its characterized in that, steel bar truss (1) is including last string reinforcing bar (101), web member reinforcing bar (102), lower string reinforcing bar (103), go up the top that string reinforcing bar (101) are located web member reinforcing bar (102), lower string reinforcing bar (103) are located the bottom of web member reinforcing bar (102), go up string reinforcing bar (101), lower string reinforcing bar (103) and all tie up through the binding with web member reinforcing bar (102), outside joint connecting piece (2) of lower string reinforcing bar (103), lower thread groove (204) have been seted up to the bottom of connecting piece (2), building carrier plate (3) have been placed through lower thread groove (204) threaded connection to the bottom of connecting piece (2), connecting piece (2) and building carrier plate (3) pass through fixing screw (4) fixed connection.

2. The high corrosion resistant steel bar truss floor support plate according to claim 1, wherein the top of the connecting piece (2) is provided with a groove (201), the connecting piece (2) is positioned at two sides of the groove (201) and provided with inner clamping grooves (202), and the lower chord steel bar (103) is positioned at the inner clamping grooves (202).

3. The high corrosion resistant steel bar truss floor support plate according to claim 1, wherein the outer wall of the fixing screw (4) is sleeved with a sealing gasket (6), and the sealing gasket (6) is located below the floor support plate (3) and is in contact with the outer wall of the floor support plate (3).

4. The high corrosion resistant steel bar truss floor support plate according to claim 1, wherein upper thread grooves (203) are formed in two sides of the upper surface of the connecting piece (2), vertical reinforcing ribs (5) are connected with inner threads of the upper thread grooves (203), limiting rings (7) are fixedly sleeved on the outer walls of the vertical reinforcing ribs (5), the top ends of the vertical reinforcing ribs (5) are tied with upper chord steel bars (101) through binding wires, and the vertical reinforcing ribs (5) are distributed in a staggered mode along two sides of the upper chord steel bars (101).

5. The high corrosion resistant steel bar truss floor support plate according to claim 1, wherein the connecting piece (2) is made of an aluminum alloy material, the floor support plate (3) is made of a steel material, a sealing layer (301) is sprayed on the outer wall of the floor support plate (3), and a protective layer (302) is sprayed on the outer wall of the sealing layer (301).

6. The high corrosion resistant steel bar truss floor support plate according to claim 5, wherein the sealing layer (301) is made of epoxy resin type antirust paint, the thickness is 0.1-1.5mm, and the protective layer (302) is made of ZS-711 inorganic anticorrosive paint, and the thickness is 0.5-2.0mm.