CN210737838U

CN210737838U - U-shaped steel support and integrated lightweight wall expansion joint structure using same

Info

Publication number: CN210737838U
Application number: CN201921192353.0U
Authority: CN
Inventors: 唐方方; 胡永琴; 唐元元
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-26
Filing date: 2019-07-26
Publication date: 2020-06-12
Anticipated expiration: 2029-07-26

Abstract

The utility model provides a U-shaped steel support and an integrated lightweight wall expansion joint structure applied by the same, wherein the U-shaped steel support comprises a bottom plate and two side plates which are integrally connected, two sides of the bottom plate are bent and then extended to form the side plates, holes are arranged on the side plates, and a flexible buffer layer is arranged on the outer side surface of the bottom plate, which is far away from the side plates; and integration light weight wallboard expansion joint structure, include the U shaped steel support, the bottom plate that the U shaped steel supported is located the butt joint department of two adjacent wallboards, two of U shaped steel support the curb plate respectively with the edge part of one of them wallboard the reinforcing bar net, the bottom plate offsets or is connected with the reinforcing bar net edge of adjacent wallboard, be equipped with the box ornamental strip of elastic material in the leaf wall surface course outside the reinforcing bar net. The utility model discloses can improve the wallboard quality, the difficult fracture of wallboard junction, the efficient of expansion joint preparation can reduce workman intensity of labour, reduces the cost of labor.

Description

U-shaped steel support and integrated lightweight wall expansion joint structure using same

Technical Field

The utility model relates to an assembled building material especially relates to a U shaped steel supports and integration light wall body expansion joint structure of using thereof.

Background

The application of various novel wall material and wall board technologies is vigorously advocated by the nation, and the use of novel light composite wall boards is particularly advocated, however, because the hardened leaf wall materials of various novel composite light wall boards are all hydraulic brittle materials, the problem of shrinkage and cracking due to temperature difference changes exists, and because the expansion joints need to be arranged, the expansion joints are traditionally arranged by separating the leaf wall materials by grid strips, taking out the grid strips after the leaf walls are hardened, then the expansion joints are treated by gap-filling materials, but the steel mesh sandwich composite wallboard is provided with a board core in advance, so that the division strip separation process can not be implemented without a carrier, in addition, the traditional dividing strip process has the defects of low labor efficiency, high labor intensity of workers, high labor cost and the like, and is difficult to ensure the quality of the wallboard and the market demand.

SUMMERY OF THE UTILITY MODEL

The weak point to prior art, the utility model provides a U shaped steel supports shaped steel and supports and integration light wall body expansion joint structure who uses, it can improve the wallboard quality, and the wallboard junction is difficult for the fracture, and the efficient of expansion joint preparation can reduce workman intensity of labour, reduces the cost of labor.

In order to achieve the above purpose, the utility model provides a technical scheme is:

the first aspect provides a U shaped steel supports, including a body coupling's bottom plate and two curb plates, the both sides of bottom plate are bent the back and are extended and form the curb plate, be equipped with the hole on the curb plate the bottom plate deviate from the outside of curb plate is provided with flexible buffer layer on the surface.

The U-shaped steel support provided by the technical scheme can play a role in supporting and reinforcing the steel mesh sandwich wall plate, replaces a square steel pipe or a light steel keel frame of the existing steel mesh sandwich wall plate, and can play a role in supporting the connection of the two steel mesh sandwich wall plates; be equipped with the hole on the curb plate, can be used to wear to establish the steel wire and tie up U shaped steel support and reinforcing bar net to be connected on the one hand, accessible hole pours into when the other side concrete placement, and U shaped steel supports and is connected as a whole with the wallboard, prevents that wallboard and U shaped steel support separation fracture.

Furthermore, in order to enable the U-shaped steel support to have higher strength, the bottom plate is provided with a longitudinal groove to form a wavy plate, the groove extends along the length direction of the bottom plate, and the edge of the side plate forms a bent or curled flanging towards the direction of the bottom plate. The wave-shaped plate and the bent or curled side plate flanging can reinforce the bottom plate and the side plate.

In a second aspect, the utility model also provides an integration light wall body expansion joint structure, including two adjacent wallboards, the wallboard includes the slab core and is fixed in the reinforcing bar net of slab core both sides, and the both sides of reinforcing bar net are with slab core and reinforcing bar net connection and coated leaf wall, still include one as above U shaped steel support, the bottom plate that U shaped steel supported is located the butt joint department of two adjacent wallboards, two that U shaped steel supported the curb plate respectively with one of them wallboard the edge part of reinforcing bar net is connected, the reinforcing bar net edge of bottom plate and adjacent wallboard offsets or is connected.

The integrated lightweight wall expansion joint structure provided by the technical scheme has the advantages that the U-shaped steel support can be used for supporting the joint of two adjacent wallboards, the steel mesh sandwich wallboards can be frameless and lightweight, the material and the weight are reduced, the flexible buffer layer is arranged on the back face of the bottom plate supported by the U-shaped steel, the expansion joint between the two steel mesh sandwich wallboards is also used, the flexible buffer layer is provided with an elastic deformation base body and can bear extrusion and drawing extension, and when the wall hydraulic hardening brittle material is subjected to temperature difference change, the generated shrinkage stress is generated in the shrinkage joint, so that the problem of joint cracking between a beam and a wallboard, a column and a wallboard and the wallboard in a frame structure is solved.

Furthermore, in order to obtain a better expansion joint effect, the joints of the wall boards have better deformation capacity without cracking so as to improve the quality of the wall boards, the leaf wall surface layer outside the reinforcing mesh is provided with a grid decorative strip made of elastic materials, the grid decorative strip is arranged at a position corresponding to the flexible buffer layer, the cross section of the grid decorative strip is trapezoidal, the large bottom of the trapezoidal wide edge faces the board core, the small bottom of the trapezoidal narrow edge faces the outer side of the leaf wall, an outward groove is formed in the small bottom of the narrow edge of the grid decorative strip, and the groove extends along the length direction of the grid decorative strip.

The division ornamental strip that above-mentioned scheme provided is different with traditional division strip, and the difference lies in: firstly, the grid strips are embedded at the joints of the wall boards instead of the traditional grid strips which are only used as mould strips, and the surface layer is taken out after being hardened; secondly, set up to the cross section and be trapezoidal, trapezoidal broadside is big to be inwards the wallboard and the narrow limit facet is outside, be equipped with the recess on the outside facet and set up to the recess, trapezoidal broadside is big to be inwards, form wide end slot, the box ornamental strip is difficult for dropping in leaf wall surface course, the facet is provided with the recess, can regard as deformation space, together regard as deformation compensation effect with box strip elastic material deformation, can bear the bigger deformation volume of wallboard, and this kind of recess inwards caves in between the wallboard and forms a seam, play the box of wallboard, flexible and decorative effect.

Furthermore, in order to achieve the flame-retardant and waterproof effects, the grid decorative strip is made of flame-retardant elastic waterproof materials, the cross section of the grid decorative strip is in an isosceles trapezoid shape or a right trapezoid shape, the isosceles trapezoid grid strips are used for plane joints, and the right trapezoid grid strips are used for joints at right-angle internal corners.

Furthermore, in order to enable the grid decorative strip to have a good service life and not to be prone to cracking, the cross section of the groove is semicircular or U-shaped.

Furthermore, as a simple and convenient connection mode, steel wires penetrate through the two side plates of the U-shaped steel support, and the steel wires penetrate through the holes to be tied and connected with the reinforcing mesh.

Further, in order to make the wall panel light and flame retardant and have higher strength, the slab core is a flame retardant light filling plate, the connecting rod passes through the slab core and both ends of the connecting rod are connected with the reinforcing mesh, two sides of the slab core are clamped and positioned with the connecting rod through connecting clamping pieces, and the connecting clamping pieces keep intervals between the slab core and the reinforcing mesh.

To sum up, the beneficial effects of the utility model are that: the joints of the wallboards are supported by one piece of U-shaped steel, and the wallboards can adopt a metal-free frame structure, so that the materials are saved, the weight is reduced, the production cost is reduced, and the energy conservation and emission reduction are realized; the grid decorative strip does not need to be taken out, the manufacturing efficiency is high, the labor intensity of workers can be reduced, and the labor cost is reduced; the expansion joint has good deformation effect, the wallboard is not easy to crack, and the quality of the wallboard is improved.

Drawings

Fig. 1 is a schematic structural diagram of the U-shaped steel support of the present invention.

Fig. 2 is a left side view of fig. 1.

Fig. 3 is the schematic view of the integrated expansion joint structure of lightweight wall.

FIG. 4 is a cross-sectional view of a disposable separator strip.

FIG. 5 is a cross-sectional view of another disposable separator strip.

Detailed Description

As shown in fig. 1 and 2, a U-shaped steel support 1 includes a bottom plate 11 and two side plates 12 which are integrally connected, two sides of the bottom plate 11 are bent and extended to form the side plates 12, a flexible buffer layer 13 is arranged on the outer side surface of the bottom plate 11 which is far away from the side plates 12, and the flexible buffer layer 13 is an elastic waterproof adhesive tape which is painted or adhered and has a thickness of more than 3 mm. Be equipped with a row of hole 121 on the curb plate 12, can be used to wear to establish the steel wire and tie up U shaped steel support 1 and reinforcing bar net and be connected, accessible hole 121 pours into when the other side concrete pouring, and U shaped steel support 1 is connected as a whole with the wallboard, prevents that wallboard and U shaped steel support 1 separation fracture.

In order to make the U-shaped steel support 1 have higher strength, the bottom plate 11 is provided with a longitudinal groove to form a wave-shaped plate, the groove extends along the length direction of the bottom plate 11, the edge of the side plate 12 is bent towards the direction of the bottom plate 11 to form a flange 122, and the flange 122 of the wave-shaped plate and the side plate can reinforce the bottom plate 11 and the side plate 12. This kind of U shaped steel supports 1 can play the support reinforcing action to steel mesh sandwich wallboard, replaces the steel square pipe or the light gauge steel frame of current steel mesh sandwich wallboard to can play the supporting role to playing the connection of two steel mesh sandwich wallboards, owing to set up flexible buffer layer 13 on the bottom plate 11 back that U shaped steel supported 1, play the effect at the expansion joint again between two steel mesh sandwich wallboards.

As shown in fig. 1 to 4, an integrated lightweight wall expansion joint structure includes two adjacent wall panels, each wall panel includes a slab core 2 and a reinforcing mesh 3 fixed on two sides of the slab core 2, the slab core 2 is a flame-retardant lightweight filling board, a connecting rod 7 passes through the slab core 2, two ends of the connecting rod 7 are connected with the reinforcing mesh 3, two sides of the slab core 2 are clamped and positioned with the connecting rod 7 through a connecting clamp 8, and the connecting clamp 8 keeps an interval between the slab core and the reinforcing mesh 3 (this is a prior art, and is not described herein). The two sides of the steel bar net 3 are leaf walls 4 which connect and cover the plate core 2 and the steel bar net 3, and the steel bar net also comprises a U-shaped steel support 1 as described above, the length of the U-shaped steel support 1 is basically the same as that of the wall plate, the bottom plate 11 of the U-shaped steel support 1 is located at the butt joint of two adjacent wall plates, the two side plates 12 of the U-shaped steel support 1 are respectively connected with the edge part of the steel bar net 3 of one wall plate, and the bottom plate 11 is abutted against or connected with the edge part of the steel bar net 3 of the adjacent wall plate. In order to obtain a better expansion joint effect and enable the joints of the wall boards to have better deformation capacity without cracking so as to improve the quality of the wall boards, the surface layer of the leaf wall 4 outside the reinforcing mesh 3 is provided with a grid decorative strip 5 made of elastic materials, and the grid decorative strip 5 is arranged at a position corresponding to the flexible buffer layer 13.

As shown in fig. 3 and 4, the cross section of the dividing decorative strip 5 is trapezoidal, the large bottom of the wide side of the trapezoid faces the board core 2, the small bottom of the narrow side of the trapezoid faces the outer side of the leaf wall 4, an outward groove 51 is formed in the small bottom of the narrow side of the dividing decorative strip 5, the cross section of the groove 51 is semicircular, and the groove 51 extends along the length direction of the dividing decorative strip 5. In this embodiment, in order to achieve flame retardant and waterproof effects, the grid decorative strip 5 is made of a flame retardant elastic waterproof material, in this embodiment, flame retardant rubber is used, and the cross section of the grid decorative strip is in an isosceles trapezoid shape. As a simple and convenient connection mode, the steel wires 6 are threaded through the two side plates 12 of the U-shaped steel support 1, and the steel wires 6 are connected with the reinforcing mesh 3 in a binding manner through the holes 121.

As shown in fig. 5, the cross section of the lattice decorative strip 5 is a right-angled trapezoid, and the right-angled trapezoid lattice decorative strip 5 is used as an embodiment of a seam at the right-angled female corner.

The manufacturing method of the integrated lightweight wall expansion joint structure comprises the following steps: (1) inserting one U-shaped steel support 1 into the edge part of two reinforcing meshes 3 connected with the plate core in a direction that the opening faces the plate core, and connecting two side plates 12 of the U-shaped steel support 1 with the two reinforcing meshes 3, wherein in the embodiment, the U-shaped steel support 1 is fixedly bound with the reinforcing meshes 3 through steel wires 6, the steel wires 6 penetrate through holes 121 formed in the two side plates 12 to be bound and connected with the reinforcing meshes 3, and then, a bottom plate 11 of the U-shaped steel support 1 is abutted against an adjacent wall plate, so that a flexible buffer layer 13 on the bottom plate 11 is positioned at the connecting part of the two wall plates; (2) pouring concrete into the reinforcing mesh 3 on two sides of two adjacent wall boards, wherein the concrete can be poured through the meshes 121 of the reinforcing mesh 3 and the holes 121 of the side plates 12 of the U-shaped steel support 1, so that the concrete connects the slab core with the reinforcing mesh 3 and wraps the reinforcing mesh 3 to form a leaf wall bottom layer 41, and the U-shaped steel support 1 is also connected with the wall boards into a whole; (3) after the leaf wall bottom layer 41 is hardened, the division decorative strips 5 are respectively stuck on the leaf wall bottom layers 41 on the two sides of the joint of the two wallboards, the division decorative strips 5 are parallel to the flexible buffer layer 13 and correspond to the flexible buffer layer 13 in position, the wide-edge large bottoms of the division decorative strips 5 are attached to the leaf wall bottom layer 41, and cement paste is brushed on the two side faces of the division decorative strips 5; (4) after cement paste on two side faces of the division decoration strips 5 is hardened, the division decoration strips 5 are used as divisions to spray or smear the leaf wall surface layers 42 on the leaf wall bottom layers 41, and the leaf wall surface layers 42 are smoothed. The grid decorative strips 5 are made of elastic materials and serve as frame molds of the leaf wall surface layers 42, the strength is not enough, cement paste is brushed on the two side faces of the grid decorative strips, and the grid decorative strips 5 can serve as the frame molds for separating the leaf wall surface layers 42 after the cement paste is hardened.

The manufacturing method is simple, convenient and easy to implement, good in operability and high in production efficiency. The dividing decorative strip 5 is embedded in the joint of the wallboard and does not need to be taken out, the production process is simple, the groove 51 on the dividing strip can be used as a deformation space and can be used as a deformation compensation effect together with the deformation of the elastic material of the dividing strip, and the groove 51 is inwards recessed between the wallboards to form a seam, so that the dividing, stretching and decorating effects of the wallboard are achieved.

The above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.

Claims

1. The utility model provides a U shaped steel supports which characterized in that: the flexible buffer layer is arranged on the surface of the outer side of the side plate.

2. The U-steel support of claim 1, wherein: the bottom plate is provided with a longitudinal groove to form a wavy plate, the groove extends along the length direction of the bottom plate, and the edge of the side plate forms a bent or curled flanging towards the direction of the bottom plate.

3. The utility model provides an integration light wall body expansion joint structure, includes two adjacent wallboards, the wallboard includes the slab core and is fixed in the reinforcing bar net of slab core both sides, and the both sides of reinforcing bar net are the leaf wall that connects slab core and reinforcing bar net and cladding, its characterized in that: the steel bar support comprises a U-shaped steel support according to claim 1, wherein a bottom plate of the U-shaped steel support is positioned at the butt joint of two adjacent wall plates, two side plates of the U-shaped steel support are respectively connected with the edge part of the steel mesh of one wall plate, and the bottom plate is abutted against or connected with the edge part of the steel mesh of the adjacent wall plate.

4. The integrated lightweight wall expansion joint structure as claimed in claim 3, wherein: the leaf wall surface layer on the outer side of the reinforcing mesh is provided with a grid decoration strip made of elastic materials, the grid decoration strip is arranged at a position corresponding to the flexible buffer layer, the cross section of the grid decoration strip is trapezoidal, the large bottom of a trapezoidal wide edge faces the plate core, the small bottom of a trapezoidal narrow edge faces the outer side of the leaf wall, an outward groove is formed in the small bottom of the narrow edge of the grid decoration strip, and the groove extends along the length direction of the grid decoration strip.

5. The integrated lightweight wall expansion joint structure as claimed in claim 4, wherein: the grid decorative strip is made of flame-retardant elastic waterproof materials, and the cross section of the grid decorative strip is in an isosceles trapezoid shape or a right-angle trapezoid shape.

6. The integrated lightweight wall expansion joint structure as claimed in claim 5, wherein: the cross section of the groove is semicircular or U-shaped.

7. The integrated lightweight wall expansion joint structure as claimed in any one of claims 3 to 6, wherein: and steel wires penetrate through the two side plates of the U-shaped steel support and are connected with the reinforcing mesh in a bundling manner.

8. The integrated lightweight wall expansion joint structure as claimed in any one of claims 3 to 6, wherein: the plate core is a flame-retardant light filling plate, the connecting rod penetrates through the plate core, the two ends of the connecting rod are connected with the reinforcing mesh, the two sides of the plate core are clamped and positioned with the connecting rod through connecting clamping pieces, and the connecting clamping pieces enable the plate core and the reinforcing mesh to keep an interval.