CN117005612A - Hollow internal mold screen plate, positioning pouring structure, positioning pouring method and application thereof - Google Patents

Hollow internal mold screen plate, positioning pouring structure, positioning pouring method and application thereof Download PDF

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Publication number
CN117005612A
CN117005612A CN202310987288.5A CN202310987288A CN117005612A CN 117005612 A CN117005612 A CN 117005612A CN 202310987288 A CN202310987288 A CN 202310987288A CN 117005612 A CN117005612 A CN 117005612A
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CN
China
Prior art keywords
pouring
positioning
sandwich
opposite
pieces
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Pending
Application number
CN202310987288.5A
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Chinese (zh)
Inventor
赵海燕
邹本宁
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Lagood Construction & Engineering Co ltd
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Lagood Construction & Engineering Co ltd
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Priority to CN202310987288.5A priority Critical patent/CN117005612A/en
Publication of CN117005612A publication Critical patent/CN117005612A/en
Pending legal-status Critical Current

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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
    • E04C2/284—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating
    • E04C2/288—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating composed of insulating material and concrete, stone or stone-like material
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
    • E04B1/78—Heat insulating elements
    • E04B1/80—Heat insulating elements slab-shaped
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/84—Walls made by casting, pouring, or tamping in situ
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/84—Walls made by casting, pouring, or tamping in situ
    • E04B2/86—Walls made by casting, pouring, or tamping in situ made in permanent forms
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/84—Walls made by casting, pouring, or tamping in situ
    • E04B2/86—Walls made by casting, pouring, or tamping in situ made in permanent forms
    • E04B2/8635—Walls made by casting, pouring, or tamping in situ made in permanent forms with ties attached to the inner faces of the forms
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
    • E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
    • E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
    • E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
    • E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
    • E04B5/36—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/44—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose
    • E04C2/46—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose specially adapted for making walls
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/44—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose
    • E04C2/50—Self-supporting slabs specially adapted for making floors ceilings, or roofs, e.g. able to be loaded
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
    • E04C5/02—Reinforcing elements of metal, e.g. with non-structural coatings of low bending resistance
    • E04C5/04—Mats
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Acoustics & Sound (AREA)
  • Mechanical Engineering (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)

Abstract

The invention provides a hollow internal mold screen plate, a positioning pouring structure, a positioning pouring method and application thereof, belonging to the field of building materials and construction. The sandwich structure comprises a sandwich structure net, wherein a first pouring space and a second pouring space are formed at two sides of the sandwich structure net; the positioning opposite-pull pieces penetrate through and are installed on the sandwich structural member, two ends of the positioning opposite-pull pieces extend to two sides of the sandwich structural member respectively, the first pouring space and the second pouring space are positioned by the extending lengths of the positioning opposite-pull pieces on two sides of the sandwich structural member, each positioning opposite-pull piece at least comprises a opposite-pull rod and two first positioning pieces, threads are arranged on the part or all of the opposite-pull rod, the two first positioning pieces are installed on the opposite-pull rod and located on two sides of the sandwich structural member in a threaded mode, and a clamping space of the sandwich structural member is formed between the two first positioning pieces.

Description

Hollow internal mold screen plate, positioning pouring structure, positioning pouring method and application thereof
Technical Field
The invention belongs to the field of building materials and construction, and particularly relates to a hollow internal mold screen plate, a positioning pouring structure, a positioning pouring method and application thereof.
Background
Under the development of large capital construction, the development direction of the building is gradually developed to the carbon energy-saving and environment-friendly direction. While fabricated or prefabricated building structures are slowly taking up the market. The structure is produced in batch in a factory, only pouring or assembling is needed on site, so that the efficiency is greatly improved, and the carbon emission is reduced.
The hollow metal net sandwich plate is a sandwich net plate which is widely applied to assembled walls. For example, a hollow metal mesh sandwich panel described in patent CN201410620789.0 (a kind of outer wall of a mesh panel with an insulation layer and a construction method) of well-fixed construction engineering (Shanghai) limited company, wherein the mesh panel is assembled by a plurality of meshes, and meshes on two sides of the insulation layer are staggered with hollow holes formed by the insulation layer; the two sides of the heat preservation layer are provided with the vertical keels, the screen plate is fixed on the vertical keels, and pouring is carried out after the screen plate and the heat preservation layer are all installed, so that the quality of the outer wall is guaranteed, the outer wall and the outer wall are subjected to heat preservation once-through construction, the construction method is simple, and the maintenance cost is avoided; after the cement mortar is smeared on the outer wall, the holes formed on the two sides of the heat insulation layer are staggered, so that the bearing capacity of the outer wall is improved, the heat insulation capacity of the outer wall is correspondingly improved, the cost is reduced, and the decoration construction of the inner surface and the outer surface of the outer wall is not influenced. However, the thickness of the screen plate is not well positioned in the forming process, and the positions of structural members such as the middle net plate and the like are determined by workers in the casting process, so that the construction is troublesome. The invention aims to provide a method and a structure capable of improving the screen plate and the application direction thereof.
Disclosure of Invention
The invention aims to provide a pouring structure which can solve the problem that the internal sandwich layer and the pouring thickness of the existing hollow metal mesh sandwich plate cannot be adjusted and positioned;
the invention aims to provide a pouring method which can solve the problem that the internal sandwich layer and the pouring thickness of the existing hollow metal mesh sandwich plate cannot be adjusted and positioned;
the invention aims to provide a hollow internal mold screen plate, which can solve the problem that the internal sandwich layer and the pouring thickness of the traditional hollow metal mesh sandwich plate cannot be adjusted and positioned;
it is a fourth object of the present invention to provide a floor or wall panel that is more economical and efficient to produce,
in order to solve the above-mentioned object, the present invention provides a positioning and pouring structure for a hollow inner mold screen, comprising:
the sandwich structure comprises a sandwich structure net, wherein a first pouring space and a second pouring space are formed on two sides of the sandwich structure net;
the positioning opposite-pulling pieces are arranged on the sandwich structural member in a penetrating mode, two ends of the positioning opposite-pulling pieces extend to two sides of the sandwich structural member respectively, and the first pouring space and the second pouring space are positioned by the extending lengths of the positioning opposite-pulling pieces on two sides of the sandwich structural member; the positioning opposite-pull piece at least comprises a pair of pull rods and two first positioning pieces, wherein part or all of the pair of pull rods are provided with threads, the two first positioning pieces are installed on the pair of pull rods in a threaded mode and located on two sides of the sandwich structural piece, and a clamping space of the sandwich structural piece is formed between the two first positioning pieces.
Preferably, the sandwich structure further comprises a structural frame, and the sandwich structure mesh is mounted on the structural frame.
Preferably, the sandwich structure net at least comprises two wave structure nets, and the two wave structure nets are respectively arranged at two sides of the structure frame.
Preferably, an insulation board is arranged between the two wave structure nets, and the positioning opposite-pulling piece is arranged on the insulation board in a penetrating way.
Preferably, the positioning opposite-pull piece further comprises two second positioning pieces, the two second positioning pieces are respectively arranged at two ends of the opposite-pull rod, and the out-of-plane ends of the second positioning pieces at two ends of the opposite-pull rod are flush.
The technical effects produced by the technical scheme of the invention are from one or more of the following combinations:
the positioning opposite-pulling piece is arranged on the opposite-penetrating mode of the sandwich structural member, so that the thickness positioning of concrete layers on two sides of the sandwich structural member is realized by extending the lengths of the two ends of the opposite-pulling piece, the position of the sandwich structural member in the structure after integral pouring molding is adjusted, the construction difficulty of site workers is reduced, the construction machine is suitable for standardized construction and installation, and the construction progress and flexibility can be improved; and the prefabricated production can be realized by combining factory prefabrication, so that the cost is reduced and the efficiency is improved.
The sandwich structure can set up the heated board according to the demand, realizes the heat preservation function.
The second locating pieces at two ends of the locating rod can realize heat insulation through injection molding materials, and the problem of a cold-hot bridge after concrete pouring molding is solved.
The sandwich structure net is a lightweight structure, but can greatly improve the strength of the concrete structure.
In order to solve the two purposes, the invention provides a positioning and pouring method for a hollow internal mold screen plate, which is characterized by comprising the following steps:
s1: prefabricating a sandwich structure, wherein the sandwich structure at least comprises a sandwich structure net, the sandwich structure net is arranged at least according to the required size of a hollow internal mold net plate, and two sides of the sandwich structure net are defined as a first pouring space and a second pouring space;
s2: installing a plurality of positioning opposite-pulling pieces, penetrating and installing the positioning opposite-pulling pieces at intervals on the sandwich structural member, and respectively extending two ends of the positioning opposite-pulling pieces to two sides of the sandwich structural member; the positioning opposite-pull piece at least comprises a pair of pull rods and two first positioning pieces, wherein part or all of the pair of pull rods are provided with threads, and the two first positioning pieces are arranged on the pair of pull rods in a threaded manner and positioned on two sides of the sandwich structural member;
s3: the structure positioning adjustment is carried out, the extension lengths of the two ends of the pair of pull rods on the two sides of the sandwich structural member are adjusted to position the thickness of the first pouring space and the thickness of the second pouring space, the positions of the two first positioning pieces on the pair of pull rods are adjusted to clamp and position the sandwich structural member, and a hollow internal mold screen plate positioning pouring structure is formed after the adjustment is completed;
S4: and pouring concrete, pouring the concrete in the first pouring space and the second pouring space, and filling and forming.
Preferably, in step S4, the casting concrete is formed by casting in a horizontal direction; pouring a first concrete layer on a pouring platform, wherein the pouring thickness of the first concrete layer is not greater than the thickness of the first pouring space, when the first concrete layer is not coagulated, the hollow inner mould screen positioning pouring structure is horizontally placed on the first concrete layer, one end of the pair of pull rods is supported on the pouring platform, and the first concrete layer is positioned in the first pouring space; and then pouring a second pouring space and vibrating until pouring and filling the hollow inner mould screen plate positioning pouring structure.
Preferably, in step S4, the casting concrete is cast by disassembling the formwork after being vertical; and erecting the two sides of the hollow inner mold screen plate positioning pouring structure, and then dismantling the pouring templates, wherein the positioning opposite-pull piece supports are positioned between the rear dismantling pouring templates, pouring concrete between the rear dismantling pouring templates and vibrating and tamping the hollow inner mold screen plate positioning pouring structure.
Preferably, in step S4, the casting concrete is formed by casting a vertical disassembly-free formwork; the two sides of the hollow inner mould screen plate positioning pouring structure are supported by a disassembly-free pouring template, the positioning counter-pulling piece further comprises two second positioning pieces, the second positioning pieces are respectively arranged at two ends of the counter-pulling rod, a drawknot slot hole is formed in the disassembly-free pouring template, the two ends of the counter-pulling rod penetrate through the disassembly-free pouring templates at two sides of the hollow inner mould screen plate positioning pouring structure, and the second positioning pieces are embedded in the drawknot slot hole and are drawed at the ends of the counter-pulling rod, and concrete is poured between the disassembly-free pouring templates and the hollow inner mould screen plate positioning pouring structure is filled by vibration.
Preferably, in step S4, the casting concrete is formed by vertical guniting; and performing guniting molding in the first pouring space and the second pouring space on two sides of the hollow inner die screen positioning pouring structure, wherein the outer side surface of the guniting molding is flush with two ends of the opposite pull rod.
Preferably, in step S4, the positioning opposite pull member further includes two second positioning members, and the two second positioning members are respectively disposed at two ends of the opposite pull rod, and the outer side surface of the guniting molding is flush with the second positioning members.
Preferably, in step S4, a first structural rib and a second structural rib are respectively disposed in the first casting space and the second casting space, and the first structural rib and the second structural rib are fixedly mounted on the pair of tie rods.
Preferably, in step S1, the sandwich structure further comprises a structural frame, and the sandwich structure mesh is mounted on the structural frame; the sandwich structure net is implemented to at least comprise two wave structure nets, and the two wave structure nets are respectively arranged at two sides of the structure frame; and an insulation board is arranged between the two wave structure nets, and the positioning opposite-pull piece is arranged on the insulation board in a penetrating way.
Preferably, in step S1, the sandwich structure further includes a structural keel, and the structural keel is mounted on the structural frame; and the opposite pulling piece is arranged on the structural keel and/or the sandwich structure net in a penetrating way.
The technical effects produced by the technical scheme of the invention are from one or more of the following combinations:
according to the method, high-efficiency pouring molding is realized through two main steps of prefabricating and pouring molding, positioning opposite-pull pieces are arranged on opposite-pull pieces of a sandwich structural member, the thickness positioning of concrete layers on two sides of the sandwich structural member is realized by extending the lengths of the two ends of the opposite-pull pieces in the opposite-pull directions, meanwhile, the position of the sandwich structural member in a structure after integral pouring molding is adjusted, the construction difficulty of site workers is reduced, the method is suitable for standardized construction and installation, and the construction progress and flexibility can be improved; and the prefabricated production can be realized by combining factory prefabrication, so that the cost is reduced and the efficiency is improved.
On one hand, the positioning pouring structure of the hollow inner mould net plate can be prefabricated in batches in a factory, and then the pouring structure is formed in situ, so that the method is economical and colleges and has low construction and operation difficulty for workers; on the other hand, the prefabricated and directly installed on site can be prefabricated in a whole factory, and the labor cost of on-site pouring can be saved.
Through horizontal pouring or vertical pouring molding, the method can also be used for factory pre-pouring molding or cast-in-place molding, and the whole process method has strong adaptability and more options, and can adapt to the installation requirements of all concrete slab structures such as wallboards, floors and the like.
The sandwich structure can set up the heated board according to the demand, realizes the heat preservation function.
The second locating pieces at two ends of the locating rod can realize heat insulation through injection molding materials, and the problem of a cold-hot bridge after concrete pouring molding is solved.
The sandwich structure net is a lightweight structure, but can greatly improve the strength of the concrete structure, and is preferably a wavy metal net.
Through the guniting shaping, the second setting element or to the out-of-plane one side of pull rod tip can be regarded as the reference surface of guniting shaping face, replaces the effect of ash cake in the effect, and is simple and convenient, belongs to the location and to the multi-purpose of one thing of pull rod.
The two ends of the opposite pull rod extend into the first pouring space and the second pouring space, the first structural rib in the first concrete layer and the second structural rib in the second concrete layer can be bound on the opposite pull rod, the installation is convenient, and when the distance between the opposite pull rods is properly set, short transverse ribs (the structural ribs generally comprise longitudinal ribs and transverse ribs) of the first structural rib and the second structural rib can be omitted; and because the opposite pull rod is fixed in position, when the first structural rib is bound or welded and the like to be fixed on the opposite pull rod, stirrups can be omitted.
In order to solve the above three purposes, the invention provides a hollow inner mold screen plate, which is characterized in that the hollow inner mold screen plate is cast and molded by the positioning and casting method.
The technical effects produced by the technical scheme of the invention are from one or more of the following combinations:
the positioning opposite-pulling piece is arranged on the opposite-penetrating mode of the sandwich structural member, so that the thickness positioning of concrete layers on two sides of the sandwich structural member is realized by extending the lengths of the two ends of the opposite-pulling piece, the position of the sandwich structural member in the structure after integral pouring molding is adjusted, the construction difficulty of site workers is reduced, the construction machine is suitable for standardized construction and installation, and the construction progress and flexibility can be improved; and the prefabricated production can be realized by combining factory prefabrication, so that the cost is reduced and the efficiency is improved.
The sandwich structure can set up the heated board according to the demand, realizes the heat preservation function.
The second locating pieces at two ends of the locating rod can realize heat insulation through injection molding materials, and the problem of a cold-hot bridge after concrete pouring molding is solved.
The sandwich structure net is a lightweight structure, but can greatly improve the strength of the concrete structure.
In order to solve the fourth object, the invention provides an application of the hollow internal mold screen plate, which is characterized in that the hollow internal mold screen plate is applied to an external wall board, an internal wall board or a floor slab.
The technical effects produced by the technical scheme of the invention are from one or more of the following combinations:
when the heat-insulating plate is applied, the hollow internal mold screen plate can be applied to an external wall, when the heat-insulating plate is not applied, the hollow internal mold screen plate can be applied to an internal wall, or can be applied to a floor slab; regardless of application, the hollow internal mold screen plate has excellent structural strength and controllable and adjustable pouring thickness, and the steps of molding construction and the like are simple and convenient, so that the expenditure of a manual end can be greatly saved.
Drawings
FIG. 1 shows a top view of a first structure of the hollow inner mold screen positioning casting structure of the invention.
FIG. 2 shows a schematic representation of a first casting of a hollow inner mold screen of the present invention.
FIG. 3 shows a second casting schematic of the hollow inner mold screen of the present invention.
FIG. 4 shows a third casting schematic of the hollow inner mold screen of the present invention.
FIG. 5 shows a top view of a second structure of the hollow inner mold screen positioning casting structure of the present invention.
FIG. 6 shows a fourth casting schematic of the hollow inner mold screen of the present invention.
Fig. 7 shows a first structural perspective view of the hollow inner mold screen positioning casting structure of the present invention.
FIG. 8 is a perspective view showing a second structure of the hollow inner mold screen positioning casting structure of the present invention.
Fig. 9 shows a position diagram of the structural frame 9 in the hollow inner mould net plate positioning pouring structure of the invention.
FIG. 10 is a flow chart showing the steps of the method for positioning and pouring the hollow inner mold screen plate.
Detailed Description
The following description is presented to enable one skilled in the art to make and use the invention and to incorporate it into the context of a particular application. Various modifications, as well as various uses in different applications will be readily apparent to persons skilled in the art, and the generic principles defined herein may be applied to a wide range of embodiments. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
In the following detailed description, numerous specific details are set forth in order to provide a more thorough understanding of the invention. It will be apparent, however, to one skilled in the art that the invention may be practiced without limitation to these specific details. In other instances, well-known structures and devices are shown in block diagram form, rather than in detail, in order to avoid obscuring the present invention.
The reader is directed to all documents and documents filed concurrently with this specification and open to public inspection with this specification, and the contents of all such documents and documents are incorporated herein by reference. All the features disclosed in this specification (including any accompanying claims, abstract and drawings) may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise. Thus, unless expressly stated otherwise, each feature disclosed is one example only of a generic set of equivalent or similar features.
Note that where used, the designations left, right, front, back, top, bottom, forward, reverse, clockwise, and counterclockwise are used for convenience only and do not imply any particular orientation of securement. In fact, they are used to reflect the relative position and/or orientation between the various parts of the object. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; may be a mechanical connection; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Note that, where used, further, preferably, further and more preferably, the brief description of another embodiment is made on the basis of the foregoing embodiment, and further, preferably, further or more preferably, the combination of the contents of the rear band with the foregoing embodiment is made as a complete construction of another embodiment. A further embodiment is composed of several further, preferably, still further or preferably arrangements of the strips after the same embodiment, which may be combined arbitrarily.
The invention is described in detail below with reference to the drawings and the specific embodiments. It is noted that the aspects described below in connection with the drawings and the specific embodiments are merely exemplary and should not be construed as limiting the scope of the invention in any way.
Example 1:
referring to fig. 1 to 9, the present embodiment provides a positioning pouring structure for a hollow inner mold mesh plate, which comprises a sandwich structure 1 and a plurality of positioning counter-pulling members 2. Wherein, the sandwich structure 1 at least comprises a sandwich structure net, and a first pouring space 31 and a second pouring space 32 are formed on two sides of the sandwich structure net; the positioning counter-pulling pieces 2 are installed on the sandwich structure 1 in a penetrating mode, two ends of the positioning counter-pulling pieces extend to two sides of the sandwich structure 1 respectively, and the first pouring space 31 and the second pouring space 32 are positioned by the extending lengths of the positioning counter-pulling pieces 2 on two sides of the sandwich structure 1. Further, each positioning pair pull member 2 at least comprises a pair pull rod 21 and two first positioning members 22, wherein part or all of the pair pull rod 21 is provided with threads, the two first positioning members 22 are arranged on the pair pull rod 21 in a threaded manner and are positioned on two sides of the sandwich structure member 1, and a clamping space of the sandwich structure member 1 is formed between the two first positioning members 22.
It should be noted that "the first positioning member 22 on the tie rod 21 is partially or entirely provided with threads" is interpreted as that the position of the first positioning member 22 on the tie rod 21 is adjusted by threads, but in actual operation, the adjustment range does not have to reach the full length, so that the thread arrangement is only required in the adjustment region, but in the preparation of an actual member, the threads may be provided by full length. Preferably, the first positioning member 22 is a nut or a T-nut.
In this embodiment, the end product is a concrete slab (which may be a concrete wall panel or a floor slab), and when the span is large, the strength of the sandwich structure 1 is enhanced. In a preferred embodiment of the present embodiment, the sandwich structure 1 further comprises a structural frame 9, and the sandwich structure mesh is mounted on the structural frame 9. Preferably, the structural frame 9 is a square tube frame, and the material thereof is FRP material or metal material.
Further, when used as a wall panel, the sandwich structure 1 is installed between the beams of the storey, and the sandwich structure 1 further comprises a structural keel 7, the structural keel 7 being mounted on a structural frame 9. Correspondingly, the counter-pulling rod 21 can be selectively penetrated through the sandwich structure net, the structure keel 7 or the structure frame 9.
The sandwich structure net is used as an internal structure reinforcing piece of the concrete integral pouring forming structure, and at least comprises two rows of wave structure nets which are respectively arranged at two sides of the structure frame 9. Preferably, the wave structure net is a wave steel wire net, and the aperture of the wave structure net can be implemented by taking the spraying process as an implementation standard.
Furthermore, wave crest and trough of wave steel wire net alternate shaping, and its crest and trough department still can pre-buried pipeline, conveniently follow-up water and electricity wiring, remove the step that the grooving was walked to the concrete slab shaping of later stage needs from.
Further, referring to fig. 5 and 6, when the concrete slab is used as a wall body, particularly an outer wall, after the concrete slab is cast in the embodiment, a heat insulation board 5 is disposed between two wave structure nets, and the positioning counter pull member 2 is installed on the heat insulation board 5 in a penetrating manner. The sandwich heat-insulating wall body is formed and can be suitable for heat insulation of the outer wall. Referring to fig. 8 and 9, fig. 8 is a schematic view of the position of the insulation board 5 when the structural frame 9 is not provided; fig. 9 is a schematic view of the position of the heat insulation board 5 when the structural frame 9 is installed, and at this time, the heat insulation board 5 is embedded in the structural frame 9, and the structural frame 9 is implemented as a square pipe frame as described above, and the material thereof is FRP material or metal material.
Referring to fig. 8 and 9, a hollow insulation layer is formed between two rows of wave structure nets in fig. 8, and an insulation board 5 is arranged in the hollow insulation layer; in fig. 9, a structural frame 9 is provided in the hollow insulation layer, and the insulation board 5 is embedded in the structural frame 9.
In order to facilitate the thickness positioning of the first casting space 31 and the second casting space 32 when casting concrete layers, the formwork supporting requirement is also facilitated. Each positioning opposite-pull member 2 further comprises at least two second positioning members 23, wherein the two second positioning members 23 are respectively arranged at two ends of the opposite-pull rod 21, and the out-of-plane ends of the second positioning members 23 at the two ends of the opposite-pull rod 21 are flush. Preferably, the second positioning member 23 is a T-shaped nut, and is made of injection molding material, so that the metal butt-draw rod 21 can be wrapped to prevent the cold-hot bridge problem.
The hollow internal mold screen plate positioning pouring structure has various pouring modes, and can be used for horizontally pouring on a pouring platform, supporting a mold and pouring and spraying slurry.
In the formwork pouring, the embodiment further comprises a pouring template, and the pouring template can be a rear disassembly pouring template 4a or a disassembly-free pouring template 4b.
Referring to fig. 1 and 2, when the post-dismantling pouring die plate 4a is adopted, the two sides support the die and prop against the end part of the positioning counter-pulling piece 2 (namely, the second positioning piece 23), the thickness of the first pouring space 31 and the second pouring space 32 can be adjusted through the relative positions of the first positioning piece 22 and the pull rod 21, after the adjustment is completed, the two sides of the post-dismantling pouring die plate 4a support diagonal braces, and then pouring, vibrating and compacting are carried out.
Referring to fig. 1 and 3, when the disassembly-free pouring template 4b is adopted, two side templates are supported, a pair of pull through holes are formed in the disassembly-free pouring template 4b, after the pair of pull rods 21 are penetrated through the pair of pull through holes of the two side templates, the two side templates are positioned and tied by the second positioning piece 23, and then pouring, vibrating and packing are carried out.
Referring to fig. 1 and 4, it is also possible to directly cast the outer end of the casting surface flush with the second positioning member 23, and the second positioning member 23 is implemented as a "gray cake".
It should be noted that the structural form of the positioning pull member 2 in this embodiment is not limited only, and the above-mentioned example is intended to express a form thereof, and the positioning pull member 21 is not necessarily implemented as a threaded rod, nor as a straight rod.
The beneficial effects of this embodiment are:
the positioning opposite-pulling piece 2 is arranged on the opposite-penetrating mode of the sandwich structural member 1, so that the thickness positioning of concrete layers at two sides of the sandwich structural member 1 is realized by extending the lengths of the two ends of the opposite-pulling piece, meanwhile, the position of the sandwich structural member 1 in the structure after integral pouring molding is adjusted, the construction difficulty of site workers is reduced, the construction machine is suitable for standardized construction and installation, and the construction progress and flexibility can be improved; and the prefabricated production can be realized by combining factory prefabrication, so that the cost is reduced and the efficiency is improved.
The sandwich structure 1 can be provided with a heat insulation board 5 according to the requirement, so as to realize the heat insulation function.
The second locating pieces 23 at the two ends of the locating rod can realize heat insulation through injection molding materials, and the problem of a cold-hot bridge after concrete pouring molding is solved.
The sandwich structure net is a lightweight structure, but can greatly improve the strength of the concrete structure.
Example 2:
referring to fig. 1 to 9 in combination with fig. 10, the present embodiment provides a positioning and pouring method for a hollow inner mold screen, which includes the following steps:
S1: the prefabricated sandwich structure 1, the prefabricated sandwich structure 1 comprises at least a sandwich structure net, the sandwich structure net is arranged according to the required size of the hollow internal mould net plate, and two sides of the sandwich structure net are defined as a first pouring space 31 and a second pouring space 32.
Specifically, in this embodiment, the end product is a concrete slab (which may be a concrete wall panel or a floor slab), and when the span is large, the strength of the sandwich structure 1 is enhanced. In a preferred embodiment of the present embodiment, the sandwich structure 1 further comprises a structural frame 9 of fig. 9, and the sandwich structure mesh is mounted on the structural frame 9. Preferably, the structural frame 9 is a square tube frame, and the material thereof is FRP material or metal material.
Further, when used as a wall panel, the sandwich structure 1 is installed between the beams of the storey, and the sandwich structure 1 further comprises a structural keel 7, the structural keel 7 being mounted on a structural frame 9. Correspondingly, the counter-pulling rod 21 can be selectively penetrated through the sandwich structure net, the structure keel 7 or the structure frame 9.
The sandwich structure net is used as an internal structure reinforcing piece of the concrete integral pouring forming structure, and at least comprises two rows of wave structure nets which are respectively arranged at two sides of the structure frame 9. Preferably, the wave structure net is a wave steel wire net, and the aperture of the wave structure net can be implemented by taking the spraying process as an implementation standard.
Furthermore, wave crest and trough of wave steel wire net alternate shaping, and its crest and trough department still can pre-buried pipeline, conveniently follow-up water and electricity wiring, remove the step that the grooving was walked to the concrete slab shaping of later stage needs from.
Further, referring to fig. 5 and 6, when the concrete slab is used as a wall body, particularly an outer wall, after the concrete slab is cast in the embodiment, a heat insulation board 5 is disposed between two wave structure nets, and the positioning counter pull member 2 is installed on the heat insulation board 5 in a penetrating manner. The sandwich heat-insulating wall body is formed and can be suitable for heat insulation of the outer wall.
Referring to fig. 8 and 9, a hollow insulation layer is formed between two rows of wave structure nets in fig. 8, and an insulation board 5 is arranged in the hollow insulation layer; the hollow insulation layer of fig. 9 is provided with a structural frame 9, and the insulation board 5 is embedded in the structural frame 9.
S2: installing a plurality of positioning opposite-pulling pieces 2, penetrating and installing the positioning opposite-pulling pieces 2 at intervals on the sandwich structural member 1, and respectively extending two ends of the positioning opposite-pulling pieces to two sides of the sandwich structural member 1; the positioning opposite-pull member 2 at least comprises a pair of pull rods 21 and two first positioning members 22, wherein part or all of the pair of pull rods 21 are provided with threads, and the two first positioning members 22 are arranged on the pair of pull rods 21 in a threaded manner and positioned on two sides of the sandwich structure member 1.
Specifically, each positioning opposite-pull member 2 at least comprises a opposite-pull rod 21 and two first positioning members 22, wherein part or all of the opposite-pull rod 21 is provided with threads, the two first positioning members 22 are arranged on the opposite-pull rod 21 and positioned on two sides of the sandwich structure member 1 in a threaded manner, and a clamping space of the sandwich structure member 1 is formed between the two first positioning members 22.
It should be noted that "the first positioning member 22 on the tie rod 21 is partially or entirely provided with threads" is interpreted as that the position of the first positioning member 22 on the tie rod 21 is adjusted by threads, but in actual operation, the adjustment range does not have to reach the full length, so that the thread arrangement is only required in the adjustment region, but in the preparation of an actual member, the threads may be provided by full length. Preferably, the first positioning member 22 is a nut or a T-nut.
In order to facilitate the thickness positioning of the first casting space 31 and the second casting space 32 when casting concrete layers, the formwork supporting requirement is also facilitated. Each positioning opposite-pull member 2 further comprises at least two second positioning members 23, wherein the two second positioning members 23 are respectively arranged at two ends of the opposite-pull rod 21, and the out-of-plane ends of the second positioning members 23 at the two ends of the opposite-pull rod 21 are flush. Preferably, the second positioning member 23 is a T-shaped nut, and is made of injection molding material, so that the metal butt-draw rod 21 can be wrapped to prevent the cold-hot bridge problem.
S3: the structure positioning adjustment is carried out, the extension lengths of the two ends of the opposite pull rod 21 on the two sides of the sandwich structure 1 are adjusted to position the thickness of the first pouring space 31 and the thickness of the second pouring space 32, the positions of the two first positioning pieces 22 on the opposite pull rod 21 are adjusted to clamp and position the sandwich structure 1, and a hollow inner die screen plate positioning pouring structure is formed after the adjustment is completed.
Specifically, according to the construction requirement, the position of the first positioning member 22 on the opposite pull rod 21 is integrally adjusted, so that the thickness of the first casting space 31 and the second casting space 32 is determined, and the position of the sandwich structure 1 in the integral casting layer is further determined. Because the adjusting mode is screw thread adjusting, the adjusting precision and the adjusting convenience are high, and the adjusting method is also convenient.
S4: and pouring concrete, and pouring concrete in the first pouring space 31 and the second pouring space 32 and filling and forming.
Specifically, in this step, the pouring structure in S3 is integrally poured into a plate, and the pouring modes thereof are as follows:
in this step, please combine fig. 1 to 4, the casting concrete is cast in a horizontal direction; pouring a first concrete layer 31a on a pouring platform, wherein the pouring thickness of the first concrete layer 31a is not larger than the thickness of a first pouring space 31, when the first concrete layer 31a is not coagulated, horizontally placing a hollow inner mould screen positioning pouring structure on the first concrete layer 31a, supporting one end of a pull rod 21 (actually a second positioning piece 23) on the pouring platform or a pouring template (which can be a rear-dismantling pouring template 4a or a dismantling-free pouring template 4 b), and positioning the first concrete layer 31a in the first pouring space 31; and then pouring the second pouring space 32 and vibrating until pouring the positioning pouring structure of the filled hollow inner mould screen plate.
Or in this step, please refer to fig. 1-4 in combination with fig. 7 and 8, the casting concrete is formed by vertical post-disassembly formwork casting. The two sides of the hollow inner mold screen plate positioning pouring structure are supported and arranged with rear disassembly pouring templates 4a, positioning counter-pulling pieces 2 are supported between the rear disassembly pouring templates 4a, concrete is poured between the rear disassembly pouring templates 4a, and the hollow inner mold screen plate positioning pouring structure is tamped.
Or in the step, the casting concrete is formed by casting the vertical disassembly-free formwork. The two sides of the hollow inner die net plate positioning pouring structure are supported with the disassembly-free pouring templates 4b, the positioning counter-pulling piece 2 further comprises two second positioning pieces 23, the two second positioning pieces 23 are respectively arranged at two ends of the counter-pulling rod 21, tie slots are formed in the disassembly-free pouring templates 4b, the disassembly-free pouring templates 4b at two sides of the hollow inner die net plate positioning pouring structure are penetrated at two ends of the counter-pulling rod 21, the second positioning pieces 23 are embedded in the tie slots and tied at the ends of the counter-pulling rod 21, and then pouring, vibrating and filling are carried out.
Or in the step, pouring concrete is vertical guniting molding. And (3) performing guniting forming in a first pouring space 31 and a second pouring space 32 on two sides of the hollow inner mould screen positioning pouring structure, wherein the outer side surface of the guniting forming is flush with two ends of the opposite pull rod 21. The second positioning piece 23 serves as a gunite poured ash cake, and the procedure of 'beating ash cake' is omitted. Specifically, the two second positioning members 23 are respectively arranged at two ends of the opposite pull rod 21, and the outer side surface of the guniting molding is flush with the second positioning members 23.
Further, in this step, the first and second structural ribs 6a and 6b (only the expression is given in fig. 3) are respectively disposed in the first and second placement spaces 31 and 32, and the first and second structural ribs 6a and 6b are fixedly attached to the counter rod 21. Specifically, in the prior art, the first structural rib 6a or the second structural rib 6b includes a transverse rib, a longitudinal rib and a stirrup, so as to form a reinforcement cage, and the reinforcement cage is poured as a structural member in concrete. In this embodiment, the positioning counter-pulling pieces 2 are uniformly spaced, which can eliminate the transverse rib structure. In addition, the opposite pull rod 21 of the opposite pull piece 2 is in a fixed state after being positioned by the first positioning piece 22, the longitudinal ribs of the first structural rib 6a or the second structural rib 6b are directly bound or welded on the opposite pull rod 21, and the integral fixation can be completed by omitting stirrups, so that the cost and time are greatly saved, the construction steps are simplified, and the on-site labor cost expenditure is reduced.
The beneficial effects of this embodiment are:
the method realizes high-efficiency pouring molding through two main steps of prefabrication and pouring molding, and positions the opposite-pull piece 2 in the opposite-pull mode of the sandwich structural member 1 so as to realize the thickness positioning of concrete layers at two sides of the sandwich structural member 1 by extending the lengths of the two ends of the opposite-pull piece, and simultaneously, the position of the sandwich structural member 1 in the structure after the integral pouring molding is adjusted, the construction difficulty of site workers is reduced, the method is suitable for standardized construction and installation, and the construction progress and flexibility can be improved; and the prefabricated production can be realized by combining factory prefabrication, so that the cost is reduced and the efficiency is improved.
On one hand, the positioning pouring structure of the hollow inner mould net plate can be prefabricated in batches in a factory, and then the pouring structure is formed in situ, so that the method is economical and colleges and has low construction and operation difficulty for workers; on the other hand, the prefabricated and directly installed on site can be prefabricated in a whole factory, and the labor cost of on-site pouring can be saved.
Through horizontal pouring or vertical pouring molding, the method can also be used for factory pre-pouring molding or cast-in-place molding, and the whole process method has strong adaptability and more options, and can adapt to the installation requirements of all concrete slab structures such as wallboards, floors and the like.
The sandwich structure 1 can be provided with a heat insulation board 5 according to the requirement, so as to realize the heat insulation function.
The second locating pieces 23 at the two ends of the locating rod can realize heat insulation through injection molding materials, and the problem of a cold-hot bridge after concrete pouring molding is solved.
The sandwich structure net is a lightweight structure, but can greatly improve the strength of the concrete structure, and is preferably a wavy metal net.
Through the guniting shaping, the out-of-plane side of second setting element 23 or opposite pull rod 21 tip can be regarded as the reference surface of guniting shaping face, replaces the effect of ash cake in the effect, and is simple and convenient, belongs to the one thing of location opposite pull member 2 and uses.
The two ends of the counter-pull rod 21 extend into the first pouring space 31 and the second pouring space 32, and the first structural rib 6a in the first concrete layer 31a and the second structural rib 6b in the second concrete layer 32a can be bound on the counter-pull rod 21, so that the mounting is convenient, and when the distance between the counter-pull rods 21 is properly set, the short transverse ribs (the structural ribs generally comprise longitudinal ribs and transverse ribs) of the first structural rib 6a and the second structural rib 6b can be omitted; furthermore, because the opposite pull rod 21 is fixed in position, the stirrup can be omitted when the first structural rib 6a is bound or welded and the like to be fixed on the opposite pull rod 21.
Example 3:
referring to fig. 1 to 9 in combination with fig. 10, the present embodiment provides a hollow inner mold screen, which is cast by a positioning casting method of the hollow inner mold screen.
The pouring method comprises the following steps:
s1: the prefabricated sandwich structure 1, the prefabricated sandwich structure 1 comprises at least a sandwich structure net, the sandwich structure net is arranged according to the required size of the hollow internal mould net plate, and two sides of the sandwich structure net are defined as a first pouring space 31 and a second pouring space 32.
Specifically, in this embodiment, the end product is a concrete slab (which may be a concrete wall panel or a floor slab), and when the span is large, the strength of the sandwich structure 1 is enhanced. In a preferred implementation of this embodiment, the sandwich structure 1 further comprises a structural frame 9 in fig. 9, and the sandwich structure web is mounted on the structural frame 9. Preferably, the structural frame 9 is a square tube frame, and the material thereof is FRP material or metal material.
Further, when used as a wall panel, the sandwich structure 1 is installed between the beams of the storey, and the sandwich structure 1 further comprises a structural keel 7, the structural keel 7 being mounted on a structural frame 9. Correspondingly, the counter-pulling rod 21 can be selectively penetrated through the sandwich structure net, the structure keel 7 or the structure frame 9.
The sandwich structure net is used as an internal structure reinforcing piece of the concrete integral pouring forming structure, and at least comprises two rows of wave structure nets which are respectively arranged at two sides of the structure frame 9. Preferably, the wave structure net is a wave steel wire net, and the aperture of the wave structure net can be implemented by taking the spraying process as an implementation standard.
Furthermore, wave crest and trough of wave steel wire net alternate shaping, and its crest and trough department still can pre-buried pipeline, conveniently follow-up water and electricity wiring, remove the step that the grooving was walked to the concrete slab shaping of later stage needs from.
Further, referring to fig. 5 and 6, when the concrete slab is used as a wall body, particularly an outer wall, after the concrete slab is cast in the embodiment, a heat insulation board 5 is disposed between two wave structure nets, and the positioning counter pull member 2 is installed on the heat insulation board 5 in a penetrating manner. The sandwich heat-insulating wall body is formed and can be suitable for heat insulation of the outer wall.
Referring to fig. 8 and 9, a hollow insulation layer is formed between two rows of wave structure nets in fig. 8, and an insulation board 5 is arranged in the hollow insulation layer; in fig. 9, a structural frame 9 is provided in the hollow insulation layer, and the insulation board 5 is embedded in the structural frame 9.
S2: installing a plurality of positioning opposite-pulling pieces 2, penetrating and installing the positioning opposite-pulling pieces 2 at intervals on the sandwich structural member 1, and respectively extending two ends of the positioning opposite-pulling pieces to two sides of the sandwich structural member 1; the positioning opposite-pull member 2 at least comprises a pair of pull rods 21 and two first positioning members 22, wherein part or all of the pair of pull rods 21 are provided with threads, and the two first positioning members 22 are arranged on the pair of pull rods 21 in a threaded manner and positioned on two sides of the sandwich structure member 1.
Specifically, each positioning opposite-pull member 2 at least comprises a opposite-pull rod 21 and two first positioning members 22, wherein part or all of the opposite-pull rod 21 is provided with threads, the two first positioning members 22 are arranged on the opposite-pull rod 21 and positioned on two sides of the sandwich structure member 1 in a threaded manner, and a clamping space of the sandwich structure member 1 is formed between the two first positioning members 22.
It should be noted that "the first positioning member 22 on the tie rod 21 is partially or entirely provided with threads" is interpreted as that the position of the first positioning member 22 on the tie rod 21 is adjusted by threads, but in actual operation, the adjustment range does not have to reach the full length, so that the thread arrangement is only required in the adjustment region, but in the preparation of an actual member, the threads may be provided by full length. Preferably, the first positioning member 22 is a nut or a T-nut.
In order to facilitate the thickness positioning of the first casting space 31 and the second casting space 32 when casting concrete layers, the formwork supporting requirement is also facilitated. Each positioning opposite-pull member 2 further comprises at least two second positioning members 23, wherein the two second positioning members 23 are respectively arranged at two ends of the opposite-pull rod 21, and the out-of-plane ends of the second positioning members 23 at the two ends of the opposite-pull rod 21 are flush. Preferably, the second positioning member 23 is a T-shaped nut, and is made of injection molding material, so that the metal butt-draw rod 21 can be wrapped to prevent the cold-hot bridge problem.
S3: the structure positioning adjustment is carried out, the extension lengths of the two ends of the opposite pull rod 21 on the two sides of the sandwich structure 1 are adjusted to position the thickness of the first pouring space 31 and the thickness of the second pouring space 32, the positions of the two first positioning pieces 22 on the opposite pull rod 21 are adjusted to clamp and position the sandwich structure 1, and a hollow inner die screen plate positioning pouring structure is formed after the adjustment is completed.
Specifically, according to the construction requirement, the position of the first positioning member 22 on the opposite pull rod 21 is integrally adjusted, so that the thickness of the first casting space 31 and the second casting space 32 is determined, and the position of the sandwich structure 1 in the integral casting layer is further determined. Because the adjusting mode is screw thread adjusting, the adjusting precision and the adjusting convenience are high, and the adjusting method is also convenient.
S4: and pouring concrete, and pouring concrete in the first pouring space 31 and the second pouring space 32 and filling and forming.
Specifically, in this step, the pouring structure in S3 is integrally poured into a plate, and the pouring modes thereof are as follows:
in this step, please combine fig. 1 to 4, the casting concrete is cast in a horizontal direction; pouring a first concrete layer 31a on a pouring platform, wherein the pouring thickness of the first concrete layer 31a is not larger than the thickness of a first pouring space 31, when the first concrete layer 31a is not coagulated, horizontally placing a hollow inner mould screen positioning pouring structure on the first concrete layer 31a, supporting one end of a pull rod 21 (actually a second positioning piece 23) on the pouring platform or a pouring template (which can be a rear-dismantling pouring template 4a or a dismantling-free pouring template 4 b), and positioning the first concrete layer 31a in the first pouring space 31; and then pouring the second pouring space 32 and vibrating until pouring the positioning pouring structure of the filled hollow inner mould screen plate.
Or in this step, please refer to fig. 1-4 in combination with fig. 7 and 8, the casting concrete is formed by vertical post-disassembly formwork casting. The two sides of the hollow inner mold screen plate positioning pouring structure are supported and arranged with rear disassembly pouring templates 4a, positioning counter-pulling pieces 2 are supported between the rear disassembly pouring templates 4a, concrete is poured between the rear disassembly pouring templates 4a, and the hollow inner mold screen plate positioning pouring structure is tamped.
Or in the step, the casting concrete is formed by casting the vertical disassembly-free formwork. The two sides of the hollow inner die net plate positioning pouring structure are supported with the disassembly-free pouring templates 4b, the positioning counter-pulling piece 2 further comprises two second positioning pieces 23, the two second positioning pieces 23 are respectively arranged at two ends of the counter-pulling rod 21, tie slots are formed in the disassembly-free pouring templates 4b, the disassembly-free pouring templates 4b at two sides of the hollow inner die net plate positioning pouring structure are penetrated at two ends of the counter-pulling rod 21, the second positioning pieces 23 are embedded in the tie slots and tied at the ends of the counter-pulling rod 21, and then pouring, vibrating and filling are carried out.
Or in the step, pouring concrete is vertical guniting molding. And (3) performing guniting forming in a first pouring space 31 and a second pouring space 32 on two sides of the hollow inner mould screen positioning pouring structure, wherein the outer side surface of the guniting forming is flush with two ends of the opposite pull rod 21. The second positioning piece 23 serves as a gunite poured ash cake, and the procedure of 'beating ash cake' is omitted. Specifically, the two second positioning members 23 are respectively arranged at two ends of the opposite pull rod 21, and the outer side surface of the guniting molding is flush with the second positioning members 23.
Further, in this step, the first and second structural ribs 6a and 6b (only the expression is given in fig. 3) are respectively disposed in the first and second placement spaces 31 and 32, and the first and second structural ribs 6a and 6b are fixedly attached to the counter rod 21. Specifically, in the prior art, the first structural rib 6a or the second structural rib 6b includes a transverse rib, a longitudinal rib and a stirrup, so as to form a reinforcement cage, and the reinforcement cage is poured as a structural member in concrete. In this embodiment, the positioning counter-pulling pieces 2 are uniformly spaced, which can eliminate the transverse rib structure. In addition, the opposite pull rod 21 of the opposite pull piece 2 is in a fixed state after being positioned by the first positioning piece 22, the longitudinal ribs of the first structural rib 6a or the second structural rib 6b are directly bound or welded on the opposite pull rod 21, and the integral fixation can be completed by omitting stirrups, so that the cost and time are greatly saved, the construction steps are simplified, and the on-site labor cost expenditure is reduced.
The beneficial effects of this embodiment are:
the positioning opposite-pulling piece 2 is arranged on the opposite-penetrating mode of the sandwich structural member 1, so that the thickness positioning of concrete layers at two sides of the sandwich structural member 1 is realized by extending the lengths of the two ends of the opposite-pulling piece, meanwhile, the position of the sandwich structural member 1 in the structure after integral pouring molding is adjusted, the construction difficulty of site workers is reduced, the construction machine is suitable for standardized construction and installation, and the construction progress and flexibility can be improved; and the prefabricated production can be realized by combining factory prefabrication, so that the cost is reduced and the efficiency is improved.
The sandwich structure 1 can be provided with a heat insulation board 5 according to the requirement, so as to realize the heat insulation function.
The second locating pieces 23 at the two ends of the locating rod can realize heat insulation through injection molding materials, and the problem of a cold-hot bridge after concrete pouring molding is solved.
The sandwich structure net is a lightweight structure, but can greatly improve the strength of the concrete structure.
Example 4:
the embodiment provides application of a hollow internal mold screen plate, which is applied to an external wall board, an internal wall board or a floor slab. It is, of course, not necessarily limited to application only to exterior wall panels, interior wall panels or floors. The application of the structure can be realized by single or combined expression of any of the technical schemes.
The beneficial effects of this embodiment are:
when the heat-insulating plate 5 is applied, the hollow internal mold screen plate can be applied to an external wall, when the heat-insulating plate 5 is not applied, the hollow internal mold screen plate can be applied to an internal wall, or can be applied to a floor slab; regardless of application, the hollow internal mold screen plate has excellent structural strength and controllable and adjustable pouring thickness, and the steps of molding construction and the like are simple and convenient, so that the expenditure of a manual end can be greatly saved.
Further, while the invention has been described in detail with reference to the embodiments thereof, those skilled in the art will appreciate that various modifications can be made to the invention in light of the above description. Accordingly, certain details of the illustrated embodiments are not to be taken as limiting the invention, which is defined by the appended claims.

Claims (16)

1. Hollow centre form otter board location pouring structure, its characterized in that includes:
the sandwich structure comprises a sandwich structure net, wherein a first pouring space and a second pouring space are formed on two sides of the sandwich structure net;
the positioning opposite-pulling pieces are arranged on the sandwich structural member in a penetrating mode, two ends of the positioning opposite-pulling pieces extend to two sides of the sandwich structural member respectively, and the first pouring space and the second pouring space are positioned by the extending lengths of the positioning opposite-pulling pieces on two sides of the sandwich structural member; the positioning opposite-pull piece at least comprises a pair of pull rods and two first positioning pieces, wherein part or all of the pair of pull rods are provided with threads, the two first positioning pieces are installed on the pair of pull rods in a threaded mode and located on two sides of the sandwich structural piece, and a clamping space of the sandwich structural piece is formed between the two first positioning pieces.
2. The hollow in-mold screen positioning casting structure as claimed in claim 1, wherein: the sandwich structure further comprises a structural frame to which the sandwich structure mesh is mounted.
3. The hollow in-mold screen positioning casting structure as claimed in claim 2, wherein: the sandwich structure net at least comprises two wave structure nets, and the two wave structure nets are respectively arranged at two sides of the structure frame.
4. A hollow inner mould net plate positioning casting structure as claimed in claim 3, wherein: and an insulation board is arranged between the two wave structure nets, and the positioning opposite-pull piece is arranged on the insulation board in a penetrating way.
5. The hollow in-mold screen positioning casting structure as claimed in claim 1, wherein: the positioning opposite-pull piece further comprises two second positioning pieces, the two second positioning pieces are respectively arranged at two ends of the opposite-pull rod, and the out-of-plane ends of the second positioning pieces at the two ends of the opposite-pull rod are flush.
6. The hollow internal mold screen plate positioning pouring method is characterized by comprising the following steps of:
s1: prefabricating a sandwich structure, wherein the sandwich structure at least comprises a sandwich structure net, the sandwich structure net is arranged at least according to the required size of a hollow internal mold net plate, and two sides of the sandwich structure net are defined as a first pouring space and a second pouring space;
s2: installing a plurality of positioning opposite-pulling pieces, penetrating and installing the positioning opposite-pulling pieces at intervals on the sandwich structural member, and respectively extending two ends of the positioning opposite-pulling pieces to two sides of the sandwich structural member; the positioning opposite-pull piece at least comprises a pair of pull rods and two first positioning pieces, wherein part or all of the pair of pull rods are provided with threads, and the two first positioning pieces are arranged on the pair of pull rods in a threaded manner and positioned on two sides of the sandwich structural member;
S3: the structure positioning adjustment is carried out, the extension lengths of the two ends of the pair of pull rods on the two sides of the sandwich structural member are adjusted to position the thickness of the first pouring space and the thickness of the second pouring space, the positions of the two first positioning pieces on the pair of pull rods are adjusted to clamp and position the sandwich structural member, and a hollow internal mold screen plate positioning pouring structure is formed after the adjustment is completed;
s4: and pouring concrete, pouring the concrete in the first pouring space and the second pouring space, and filling and forming.
7. The positioning and pouring method for the hollow inner mold screen plate according to claim 6, wherein: in the step S4, casting concrete is formed by casting in a horizontal direction; pouring a first concrete layer on a pouring platform, wherein the pouring thickness of the first concrete layer is not greater than the thickness of the first pouring space, when the first concrete layer is not coagulated, the hollow inner mould screen positioning pouring structure is horizontally placed on the first concrete layer, one end of the pair of pull rods is supported on the pouring platform, and the first concrete layer is positioned in the first pouring space; and then pouring a second pouring space and vibrating until pouring and filling the hollow inner mould screen plate positioning pouring structure.
8. The positioning and pouring method for the hollow inner mold screen plate according to claim 6, wherein: in the step S4, pouring concrete is vertical and then the formwork is detached for pouring and forming; and erecting the two sides of the hollow inner mold screen plate positioning pouring structure, and then dismantling the pouring templates, wherein the positioning opposite-pull piece supports are positioned between the rear dismantling pouring templates, pouring concrete between the rear dismantling pouring templates and vibrating and tamping the hollow inner mold screen plate positioning pouring structure.
9. The positioning and pouring method for the hollow inner mold screen plate according to claim 6, wherein: in the step S4, pouring concrete is vertical disassembly-free formwork pouring molding; the two sides of the hollow inner mould screen plate positioning pouring structure are supported by a disassembly-free pouring template, the positioning counter-pulling piece further comprises two second positioning pieces, the second positioning pieces are respectively arranged at two ends of the counter-pulling rod, a drawknot slot hole is formed in the disassembly-free pouring template, the two ends of the counter-pulling rod penetrate through the disassembly-free pouring templates at two sides of the hollow inner mould screen plate positioning pouring structure, and the second positioning pieces are embedded in the drawknot slot hole and are drawed at the ends of the counter-pulling rod, and concrete is poured between the disassembly-free pouring templates and the hollow inner mould screen plate positioning pouring structure is filled by vibration.
10. The positioning and pouring method for the hollow inner mold screen plate according to claim 6, wherein: in the step S4, pouring concrete is vertical guniting molding; and performing guniting molding in the first pouring space and the second pouring space on two sides of the hollow inner die screen positioning pouring structure, wherein the outer side surface of the guniting molding is flush with two ends of the opposite pull rod.
11. The hollow inner mold screen positioning pouring method as claimed in claim 10, wherein: in step S4, the positioning opposite pull member further includes two second positioning members, and the two second positioning members are respectively disposed at two ends of the opposite pull rod, and the outer side surface of the guniting molding is flush with the second positioning members.
12. The positioning and pouring method for the hollow inner mold screen plate according to any one of claims 6 to 11, wherein: in step S4, a first structural rib and a second structural rib are respectively arranged in the first casting space and the second casting space, and the first structural rib and the second structural rib are fixedly installed on the pair of tie rods.
13. The positioning and pouring method for the hollow inner mold screen plate according to any one of claims 6 to 11, wherein: in step S1, the sandwich structure further comprises a structural frame, the sandwich structure web being mounted on the structural frame; the sandwich structure net is implemented to at least comprise two wave structure nets, and the two wave structure nets are respectively arranged at two sides of the structure frame; and an insulation board is arranged between the two wave structure nets, and the positioning opposite-pull piece is arranged on the insulation board in a penetrating way.
14. The positioning and pouring method for the hollow inner mold screen plate according to any one of claims 6 to 11, wherein: in step S1, the sandwich structure further comprises a structural spine, the structural spine being mounted to the structural frame; and the opposite pulling piece is arranged on the structural keel and/or the sandwich structure net in a penetrating way.
15. Hollow interior mold screen plate, characterized in that it is cast by the hollow interior mold screen plate positioning casting method according to any one of claims 6 to 14.
16. Use of a hollow inner mould screen according to claim 15 for external wall panels, internal wall panels or floors.
CN202310987288.5A 2023-08-08 2023-08-08 Hollow internal mold screen plate, positioning pouring structure, positioning pouring method and application thereof Pending CN117005612A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310987288.5A CN117005612A (en) 2023-08-08 2023-08-08 Hollow internal mold screen plate, positioning pouring structure, positioning pouring method and application thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310987288.5A CN117005612A (en) 2023-08-08 2023-08-08 Hollow internal mold screen plate, positioning pouring structure, positioning pouring method and application thereof

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Publication Number Publication Date
CN117005612A true CN117005612A (en) 2023-11-07

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CN202310987288.5A Pending CN117005612A (en) 2023-08-08 2023-08-08 Hollow internal mold screen plate, positioning pouring structure, positioning pouring method and application thereof

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