Disclosure of utility model
The utility model solves the problem of providing the wallboard, realizes the form removal-free, simultaneously eliminates the gap between the prefabricated wallboard and the cast-in-place concrete, and has wider application range.
In order to solve the above problems, the present utility model provides a wallboard, comprising: the chain framework comprises a plurality of chain shafts and reinforcing steel bar nets fixed on the chain shafts, wherein the end parts of the chain shafts are provided with two pairs of grooves, the reinforcing steel bar nets are fixed in the grooves, and the grooves extend along the axial direction of the chain shafts; the cement-based template is at least connected with one end of the chain shaft, the cement-based template is positioned on the surface of the reinforcing mesh, and a plurality of raised reinforcing columns are arranged on the surface of the cement-based template, which faces the reinforcing mesh.
Optionally, the method further comprises: the first connecting piece is connected with the cement-based template and the chain shaft, and the first connecting piece is detachably connected with the end part of the chain shaft.
Optionally, an inner wall of the end of the lock shaft has threads.
Optionally, the method further comprises: and the second connecting piece is connected with the end part of the chain shaft and is detachably connected with the end part of the chain shaft.
Optionally, the chain shaft has a tubular structure.
Optionally, the surface of the steel bar column is provided with a plurality of prismatic protruding blocks.
Optionally, the two pairs of grooves include a first pair of grooves and a second pair of grooves, the first pair of grooves includes a first sub-groove and a second sub-groove, the first sub-groove and the second sub-groove are symmetrically distributed along an axial direction of the lock chain shaft, the second pair of grooves includes a third sub-groove and a fourth sub-groove, the third sub-groove and the fourth sub-groove are symmetrically distributed along the axial direction of the lock chain shaft, and the first sub-groove and the second sub-groove are distributed at intervals between the third sub-groove and one of the fourth sub-grooves.
Optionally, the reinforcing mesh comprises a plurality of first reinforcing bars and a plurality of second reinforcing bars which are connected with each other, wherein the first reinforcing bars are fixed in the first pair of grooves, and the second reinforcing bars are fixed in the second pair of grooves.
Alternatively, when the number of the cement-based templates is two, two cement-based templates are respectively connected to opposite ends of the chain shaft.
Optionally, the steel bar mesh reinforcing device further comprises a composite plate connected with the other end of the chain shaft, wherein the composite plate is positioned on the surface of the steel bar mesh and is detachably connected with the end part of the chain shaft.
Optionally, the composite board comprises an outer layer board and a functional board connected with the outer layer board, and the functional board is located between the reinforcing mesh and the outer layer board.
Optionally, the functional board comprises a heat insulation board and an insulating board; the outer laminate comprises a polycarbonate sheet.
Optionally, the multifunctional chain comprises a third connecting piece which is positioned in the outer layer plate and the functional plate, one end of the third connecting piece protrudes out of the surface of the functional plate, and the third connecting piece is detachably connected with the end part of the chain shaft.
Optionally, the concrete layer is further included, and the concrete layer fills the hollow layer between the cement-based template and the reinforcing mesh and the hollow layer between the adjacent reinforcing meshes.
Optionally, the concrete layer is further included, and the concrete layer fills up the hollow layer between the cement-based template and the reinforcing steel bar net, the hollow layer between adjacent reinforcing steel bar nets and the hollow layer between the reinforcing steel bar net and the composite board.
Optionally, the cross-sectional shape of the chain shaft perpendicular to the axial direction of the chain shaft includes a hollow circle, an outer octagonal inner hollow circle, and an outer square rounded inner hollow circle.
Compared with the prior art, the technical scheme of the utility model has the following advantages:
According to the technical scheme of the wallboard, two pairs of grooves are formed in the end part of the chain shaft, the reinforcing steel bar net is fixed in the grooves, the grooves extend along the axial direction of the chain shaft and are symmetrically distributed, at least one end of the chain shaft is connected with a cement-based template, the cement-based template is positioned on the surface of the reinforcing steel bar net, the surface of the cement-based template, facing the reinforcing steel bar net, is provided with a plurality of raised reinforcing steel bar columns, on one hand, the grooves are utilized to realize quick fixation between the reinforcing steel bar net and the chain shaft, and the traditional requirement that a penetrating reinforcing steel bar is penetrated into the chain shaft to realize fixation of the reinforcing steel bar net and the chain shaft is avoided, so that the production efficiency is improved; on the other hand, in the subsequent concrete pouring process, due to the plurality of reinforced columns protruding from the surface of the cement-based template, the biting force between the concrete and the cement-based template is enhanced, the template is not required to be removed additionally, the production efficiency is greatly improved, meanwhile, the difference of thermal expansion coefficient and cold contraction coefficient of the cast-in-situ concrete is avoided, the gap between the cast-in-situ concrete and the wallboard is eliminated, and the concrete pouring device has a wider application range.
Further, the concrete pouring device further comprises a first connecting piece for connecting the cement-based plate and the chain shaft, wherein the first connecting piece is detachably connected with the end part of the chain shaft, and the cement-based plate and the chain shaft are effectively fixed by the first connecting piece, so that concrete can be directly poured between the cement-based plate and the reinforcing mesh on site; meanwhile, the first connecting piece can be directly used as a dry hanging piece without being disassembled after concrete is poured, so that the quality of the dry hanging is improved; and because of the existence of the first connecting piece, the reinforcing mesh can be tightly propped in the groove by using the first connecting piece, so that the problem of mutual displacement between the reinforcing mesh and the chain shaft is solved.
Further, still include with the end connection's of chain axle second connecting piece, between follow-up reinforcing bar net and the in-process second connecting piece of pouring concrete between reinforcing bar net and the cement-based template can play the effect of location, can effectively and accurately predict the height of pouring concrete, promote pouring efficiency to the second connecting piece tightly locks the reinforcing bar net in the recess, has guaranteed the stability of being connected between reinforcing bar net and the chain axle, avoids appearing phenomena such as scattering in the in-process of follow-up transport.
Further, still include the composite sheet of being connected with the other end of chain axle, the composite sheet is located the surface of bar mat, composite sheet and cement base template are located the both ends of chain axle respectively, the wall body of this kind of structure is used as the outer wall, follow-up pouring concrete between composite sheet, bar mat and cement base template, be the pouring together of whole wall body, not have in advance pouring concrete in the wall body, this just can not appear the scene pouring concrete and the wall body between the coefficient difference that causes gap scheduling problem because of expend with heat and contract with cold, great promotion the quality of the wall body that finally forms has wider application scope.
Detailed Description
At present, some wallboards are usually prefabricated in factories and then are transported to the site for concrete casting.
The inventor finds through analysis that, on one hand, the traditional prefabricated wallboard needs to be disassembled in the manufacturing process, and on the other hand, after part of concrete is poured on the traditional prefabricated wallboard, a gap is reserved for the follow-up site to be poured together with the concrete, so that the problem that the expansion coefficient and contraction coefficient of the site poured concrete are inconsistent with those of the prefabricated wallboard exists, gaps exist between the site poured concrete and the prefabricated wallboard, the quality of a finally formed wall body is affected, and the quality of a building is greatly reduced.
The inventor finds through research that on one hand, the reinforcing mesh and the chain shaft are fixed by utilizing the groove, so that the traditional need of penetrating a penetrating reinforcing steel into the chain shaft is avoided, the connection work of the reinforcing mesh and the chain shaft is realized, and the production efficiency is improved; on the other hand, in the subsequent concrete pouring process, as the reinforced columns are arranged on the surface of the cement-based template, the biting force between the concrete and the cement-based template is enhanced, the template is not required to be removed additionally, the production efficiency is greatly improved, meanwhile, the difference of thermal expansion and contraction coefficients of the cast-in-situ concrete is avoided, the gap between the cast-in-situ concrete and the wallboard is eliminated, and the concrete pouring device has a wider application range.
The inventor also finds that the cement-based plate and the chain shaft are fixedly connected by the first connecting piece, and the cement-based plate and the chain shaft are effectively fixed by the first connecting piece, so that concrete can be directly poured between the cement-based plate and the reinforcing steel bar net on site, and the disassembly-free template is realized; meanwhile, the first connecting piece can be directly used as a dry hanging piece without being detached between the poured concrete, and the quality of the dry hanging is improved.
The inventor also finds through the research that the other end of the chain shaft is connected with the composite board, the composite board is positioned on the surface of the reinforcing mesh, the composite board and the cement-based template are respectively positioned at the two ends of the chain shaft, the wall body with the structure is used as an outer wall, the whole wall board is cast together in the subsequent process of casting concrete among the composite board, the reinforcing mesh and the cement-based template, and the concrete is not cast in advance in the wall body, so that the problems of gaps and the like caused by different coefficients of thermal expansion and contraction between the cast-in-situ concrete and the prefabricated wall body are avoided, the quality of the finally formed wall body is greatly improved, and the wall body has a wider application range.
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model briefly described above will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
First, referring to fig. 1-2, a chain shaft 100 includes opposite ends.
In this embodiment, the lock chain shaft 100 includes opposite first and second ends 100a, 100b.
The end of the lock chain shaft 100 has two pairs of grooves that provide space for the subsequent fixation of the mesh reinforcement.
In this embodiment, the first end 100a and the second end 100b have two pairs of grooves, respectively.
In this embodiment, the grooves include a first sub-groove 101a, a second sub-groove 101b, a third sub-groove 102a and a fourth sub-groove 102b, where the first sub-groove 101a and the second sub-groove 101b form a first pair of grooves 101, the third sub-groove 102a and the fourth sub-groove 102b form a second pair of grooves 102, the first sub-groove 101a and the second sub-groove 101b are symmetrically distributed along the axial direction of the lock chain shaft 100, the third sub-groove 102a and the fourth sub-groove 102b are symmetrically distributed along the axial direction of the lock chain shaft 100, and one of the third sub-groove 102a and the fourth sub-groove 102b is spaced between the first sub-groove 101a and the second sub-groove 101 b.
It should be noted that, the plane where the first sub-groove 101a and the second sub-groove 101b are located is perpendicular to the plane where the third sub-groove 102a and the fourth sub-groove 102b are located, so that the mesh reinforcement is formed by welding a plurality of first reinforcing bars arranged along a first direction and a plurality of second reinforcing bars arranged along a second direction, generally, the first reinforcing bars and the second reinforcing bars are vertically arranged and welded, and the plane where the first pair of grooves 101 is located is perpendicular to the plane where the second pair of grooves 102 is located, so that the mesh reinforcement is placed in two pairs of grooves, the first reinforcing bars can be fixed in the first pair of grooves 101, and the second reinforcing bars can be fixed in the second pair of grooves 102, so as to avoid the mesh reinforcement from falling off the chain shaft 100 due to unbalanced stress.
In the present embodiment, the first pair of grooves 101 and the second pair of grooves 102 are different in size.
In this embodiment, the first sub-groove 101a and the second sub-groove 101b have the same size, and the third sub-groove 102a and the fourth sub-groove 102b have the same size.
In other embodiments, the first sub-groove 101a, the second sub-groove 101b, the third sub-groove 102a, and the fourth sub-groove 102b may be different in size.
In this embodiment, the groove has a "U" shape.
In other embodiments, the grooves may also be in a "V" configuration, an arcuate configuration, and the like.
In this embodiment, the depth of the groove is greater than the diameter of the rebar in the rebar grid.
In this embodiment, the inner wall of the end of the lock shaft has threads for subsequent detachable connection with a connector.
In other embodiments, a pair of the grooves may also be provided on only one end of the lock chain shaft 100.
In this embodiment, the lock chain shaft 100 has a tubular structure, i.e., the middle is hollow.
In other embodiments, the lock chain shaft 100 may also have a solid cylindrical structure.
In this embodiment, the cross-sectional shape of the lock chain shaft 100 perpendicular to the axial direction of the lock chain shaft 100 is a hollow circle (a plan view corresponding to a broken line).
In other embodiments, referring to fig. 3, the cross-sectional shape of the lock chain shaft 100 perpendicular to the axial direction of the lock chain shaft 100 is an outer octagonal hollow circular shape (a top view corresponding to a broken line).
In another embodiment, please refer to fig. 4, the cross-sectional shape of the lock chain shaft 100 perpendicular to the axial direction of the lock chain shaft 100 is a hollow circle (a top view corresponding to a broken line) in a bullnose.
In this embodiment, the material of the lock chain shaft 100 is a steel material for construction.
In this embodiment, please refer to fig. 6, further comprising: a second connector 103 connected to an end of the chain shaft 100.
In this embodiment, the second connecting piece 103 is a bolt or a stud, and the shape of the second connecting piece 103 is specifically selected according to actual needs.
In this embodiment, the second connection member 103 is screwed with the end of the lock chain shaft 100.
In other embodiments, the second connection member 103 may be engaged with an end of the lock chain shaft 100, etc.
Referring to fig. 5-6, a chain frame 104, wherein the chain frame 104 includes a plurality of the chain shafts 100 and a reinforcing mesh 105 fixed to the chain shafts 100.
In this embodiment, the reinforcing mesh 105 includes a plurality of first reinforcing bars 105a arranged along a first direction and a plurality of second reinforcing bars 105b arranged along a second direction, and the reinforcing mesh 105 is formed by welding and fixing the plurality of first reinforcing bars 105a and the plurality of second reinforcing bars 105 b.
In this embodiment, the first direction is perpendicular to the second direction.
In this embodiment, due to the existence of the groove, the chain shaft 100 connects two reinforcing steel bar nets 105, and only the first reinforcing steel bar 105a and the second reinforcing steel bar 105b in the reinforcing steel bar nets 105 are directly placed in the groove, so that the conventional method that one first reinforcing steel bar 105a or one second reinforcing steel bar 105b penetrates into the chain shaft 100 to fix the chain shaft 100 is replaced, the labor cost is greatly saved, and the production efficiency is improved.
In this embodiment, the first reinforcing bar 105a is located in the first pair of grooves 101, and the second reinforcing bar 105b is located in the second pair of grooves 102.
Referring to fig. 7 and 8, a wall panel 107 includes a chain frame 104 and a cementitious template 108.
In this embodiment, the chain framework 104 includes the chain shaft 100 and the reinforcing mesh 105 fixed on the chain shaft 100, and by using two pairs of grooves on the end of the chain shaft 100, the reinforcing mesh 105 is placed in the grooves to achieve rapid fixation of the reinforcing mesh 105 and the chain shaft 100; at least one end of the lock chain shaft 100 is connected with a cement-based template 108, specifically, one end of the lock chain shaft 100 is connected with the cement-based template 108, the cement-based template 108 is positioned on the surface of the reinforcing mesh, and the surface of the cement-based template 108 facing the reinforcing mesh 105 is provided with a plurality of reinforcing columns 106.
In this embodiment, the wall plate 107 is used as a floor support plate.
In this embodiment, the reinforcement columns 106 are buried in the cement-based template 108, and the reinforcement columns 106 are integrally formed with the cement-based template 108.
In this embodiment, after the reinforcing mesh 105 is fixed to both ends of the chain shaft 100, a hollow layer is provided between adjacent reinforcing meshes 105.
In this embodiment, the cement-based formwork device further includes a first connecting member 109, the first connecting member 109 fixedly connects the cement-based formwork 108 with the chain shaft 100, and the first connecting member 109 is detachably connected with an end portion of the chain shaft.
In this embodiment, the first connecting piece 109 is a bolt or a stud, and the shape of the first connecting piece 109 is specifically selected according to actual needs.
In this embodiment, the surface of the steel bar column 106 has a plurality of prismatic protrusions, so that in the process of casting concrete between the cement-based form 108 and the reinforcing mesh 105 to form the concrete layer 110, the prismatic protrusions can increase friction between the steel bar column 106 and the concrete layer 110, and the formed concrete layer 110 can be tightly "bitten" by the steel bar column 106, thereby increasing the connection strength between the cement-based form 108 and the concrete layer 110.
In this embodiment, a hollow layer exists between the cement-based formwork 108 and the reinforcing mesh 105, a hollow layer exists between adjacent reinforcing meshes 105, and concrete is poured into the hollow layer to form a concrete layer 110 (refer to fig. 9).
In the embodiment, the whole wall plate 107 is cast together, and no concrete is cast in the wall plate 107 in advance, so that the problem that the difference of expansion coefficient and contraction coefficient exists between the cast concrete and the concrete of the wall plate 107 at present is avoided, and the existence of gaps in the wall body formed finally is avoided; and simultaneously, the concrete layer 110 is tightly locked by the steel bar columns 106, so that the biting force between the cement-based template 108 and the concrete layer 110 is improved, the anti-folding and anti-stretching capabilities of the finally formed wall are enhanced, and the strength of the finally formed wall is enhanced.
In this embodiment, the second connecting member 103 is located at an end of the lock shaft 100 on a side remote from the cement-based template 108, and the second connecting member 103 is detachably connected to the end of the lock shaft.
In this embodiment, the second connecting piece 103 plays a role in positioning and indicating in the process of casting concrete, so that the height of the cast concrete can be effectively and accurately predicted, and the casting efficiency is improved.
In this embodiment, after the concrete layer 110 is formed, the first connector 109 is removed or not removed, and if not removed, the first connector 109 may be used as a dry hanger, so as to improve the quality of the dry hanger.
In another embodiment, referring to fig. 10-11, a wall panel 111 includes a chain framework 104 and two cement-based templates 108.
In this embodiment, the chain frame 104 includes a plurality of chain shafts 100 and a reinforcing mesh 105 fixed on the chain shafts 100, the end portions of the chain shafts 100 have two pairs of grooves, and the reinforcing mesh 105 is fixed in the two pairs of grooves, and the grooves extend along the axial direction of the chain shafts 100.
Specifically, the number of the cement-based templates 108 is two, the cement-based templates 108 are respectively connected with opposite ends of the chain shaft 100, and specifically, the first connectors 109 are respectively used to fix the cement-based templates 108 and the chain shaft 100.
In this embodiment, the wall panel 111 is used as an inner wall.
In this embodiment, a hollow layer is provided between the cement-based formwork 108 and the reinforcing mesh 105 and between adjacent reinforcing meshes 105, concrete is poured into the hollow layer to form a concrete layer 110 (refer to fig. 11), and the concrete layer 110 and the cement-based formwork 108 are tightly meshed together due to the existence of the reinforcing columns 106, so that the strength of the formed final wall body and the corresponding fracture resistance and tensile resistance are enhanced; and the wallboard 111 can be directly transported to the site for use without removing the form, thereby simplifying the manufacturing process of the wallboard 111.
In yet another embodiment, referring to fig. 12-13, a wall panel 112 includes a chain frame 104, a cementitious template 108, and a composite panel 113.
In this embodiment, the wall panel 112 is used as an exterior wall.
In this embodiment, the composite plate 113 is located on the surface of the reinforcing mesh 105, and the composite plate 113 is detachably connected to the groove.
In this embodiment, the composite plate 113 includes an outer plate 113a and a functional plate 113b connected to the outer plate 113a, the functional plate 113b being located between the mesh reinforcement 105 and the outer plate 113 a.
Specifically, the functional board 113b is a thermal insulation board, and the outer board 113a is a polycarbonate board (PC board).
In other embodiments, the functional board 113b may also employ an insulating board, or the like.
In this embodiment, the composite panel 113 is also prefabricated at the factory and then shipped to the site for use.
In this embodiment, the outer plate 113a and the functional plate 113b further include a third connecting member 113c, wherein one end of the third connecting member 113c protrudes from the surface of the functional plate 113b, and the third connecting member 113c is detachably connected to the end of the lock chain shaft 100.
In this embodiment, the end of the third connecting member 113c has a thread, and the third connecting member 113c is screwed with the end of the lock shaft.
In this embodiment, a hollow layer is provided between the composite board 113 and the reinforcing mesh 105, the hollow layer is also provided between the cement-based form 108 and the reinforcing mesh 105, the hollow layer is also provided between adjacent reinforcing meshes 105, concrete is poured into the hollow layer to form a concrete layer 110 (refer to fig. 13), and due to the existence of the reinforcing columns 106, the concrete layer 110 and the cement-based form 108 are tightly meshed together, so that the strength, the bending resistance and the tensile capacity of the formed wallboard 112 are enhanced; and the wall plate 112 can be directly transported to the site for use without removing the form, simplifying the manufacturing process of the wall plate 112.
In this embodiment, in the process of pouring concrete between the composite board 113, the reinforcing mesh 105 and the cement-based formwork 108, the whole wallboard 112 is poured together, and no concrete is poured in advance in the wallboard 112, so that the problems of gaps and the like caused by different coefficients of expansion and contraction between the on-site poured concrete and the wallboard 112 are avoided, the quality of the finally formed wall is greatly improved, and the method has a wider application range.
Although the present utility model is disclosed above, the present utility model is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the utility model, and the scope of the utility model should be assessed accordingly to that of the appended claims.