CN216516390U

CN216516390U - Exempt from to tear open steel bar truss building carrier plate

Info

Publication number: CN216516390U
Application number: CN202121594253.8U
Authority: CN
Inventors: 陈永德
Original assignee: Zhe Jiang Zhongyi Building Materials Technology Co ltd
Current assignee: Zhe Jiang Zhongyi Building Materials Technology Co ltd
Priority date: 2021-04-16
Filing date: 2021-07-13
Publication date: 2022-05-13
Anticipated expiration: 2031-07-13
Also published as: CN115217254A

Abstract

The invention relates to the technical field of steel bar truss floor bearing plates, in particular to a disassembly-free steel bar truss floor bearing plate. The non-dismantling steel bar truss floor support plate comprises a template, wherein the template comprises a bottom plate and a metal connecting plate fixed on the bottom plate (1), the connecting plate comprises a connecting part exposed out of the upper side face of the bottom plate and an anchoring part positioned in the bottom plate, the anchoring part is inserted into the bottom plate when the bottom plate is not hardened and is fixed with the bottom plate after the bottom plate is hardened, and the connecting part is welded with a plurality of steel bar trusses parallel to each other. Connecting plate and bottom plate are connected through the anchor assembly that is located the bottom plate inside, have overcome the current technical problem who connects both existence and the technical bias that exists through the fastener for both firm in connection, durability are good, and the reinforcement body of bottom plate can be regarded as to anchor portion itself, increases performance such as toughness, intensity of bottom plate self, and can not punch in addition and destroy the structure of bottom plate.

Description

Exempt from to tear open steel bar truss floor carrier plate

Technical Field

The invention relates to the technical field of steel bar truss floor bearing plates, in particular to a disassembly-free steel bar truss floor bearing plate.

Background

The preparation form that building panel was commonly used in present building field generally has two kinds, and one is prefabricated floor, and another kind is cast in situ concrete floor. The prefabricated floor slab is manufactured, maintained and solidified by a mould in a prefabricated site of a factory or a construction site. And then the prefabricated floor slab is installed in a field hoisting mode, although the manufacturing cost of the prefabricated floor slab is reduced, the prefabricated floor slab is high in installation cost, is not effectively connected with a wall body, is easy to loosen and fall off, is poor in anti-seismic performance, and has a splicing gap which is easy to leak water. Cast in situ concrete floor is now commonly used for steel bar truss building carrier plate, combines steel bar truss and building carrier plate to reduce bearing structure. Current steel bar truss and building carrier plate's combination mode includes non-detachable and assembled, non-detachable steel bar truss building carrier plate is through steel bar truss's web member reinforcing bar and die mould galvanized sheet welded connection, pour the concrete back, the galvanized sheet is permanent stays on the floor board, although this type of building carrier plate use cost is low, nevertheless because the tinned sheet can't demolish and easy deformation when pouring the concrete, make the whitewash fitment of floor bottom more difficult, time also rusted easily for a long time, the decoration industry part drops easily. To this problem, the assembled steel bar truss floor carrier plate passes through the fastener through wood board such as bamboo plywood as the die block board and can dismantle with steel bar truss and connect the assembly, and after cast in situ concrete solidifies, demolish die block board used repeatedly, the floor is level and smooth, avoided the difficult problem of floor panel assembly whitewash, but demolish the die block board also consuming time hard, and the bamboo plywood damages easily under the on-the-spot adverse circumstances of building moreover, and use cost is high.

Therefore, there is a need in the art for a non-dismantling floor deck that solves the above problems. To this end, chinese patent publication No. CN111535488A entitled "prefabricated steel bar truss non-dismantling floor support plate and cast-in-place non-supporting truss floor slab" discloses a non-dismantling floor support plate, which includes a prefabricated cement fiberboard, a steel plate member is fixed on the upper surface of the cement fiberboard by self-tapping screws, a plurality of steel bar support members are uniformly welded on the upper surface of the steel plate member along the length direction thereof, the steel bar support members are welded with lower steel bars, the lower steel bars are welded with spaced upper steel bars thereon, and then the upper or lower steel bars are welded with the steel bar truss. This kind of exempt from to tear open floor carrier plate welding is very much, and not on same aspect, and it is more complicated to make, and the reinforcing bar quantity is big simultaneously, and unit area's plate weight is big, the installation of being not convenient for. In addition, the cement limiting plate and the steel plate component are connected through the fastener, punching and installation are time-consuming and labor-consuming, stress concentration is easy to occur at the joint of the fastener and the cement fiberboard, cracking of the cement fiberboard is caused, and even the cement fiberboard falls off when concrete is poured.

Chinese patent publication No. CN111663696A, entitled "a formwork-free self-supporting prefabricated ribbed beam concrete hollow composite slab", discloses a composite slab, which comprises prefabricated cement fiber boards, a connecting board connected with the prefabricated cement fiber boards through self-tapping screws, the connecting board connected with the prefabricated ribbed boards, and a hollow body arranged between the two prefabricated ribbed boards. Although the floor bearing plate solves the problems that the prefabricated rib plates and the connecting plates distributed at intervals need to be provided with negative poles when being welded, the welding process is complex and is not suitable for automatic (high automatic cost) production, the connecting plates are connected with the prefabricated cement fiber plates through self-tapping screws, and the thickness and the rigidity of the laminated plate are large, so that the laminated plate is large in thickness and high in cost and is not easy to assemble and loose and fall easily, and the prefabricated cement fiber plates are connected through the self-tapping screws and are also concentrated in stress and easy to damage.

Above-mentioned exempt from to tear open building carrier plate all exists, the welding process of steel bar truss and connecting plate (steel sheet component) is complicated, the processing cost is high, and the cement board only can be through cooperation and connecting plate (steel sheet component) fixed connection through self tapping screw or through-hole and fastener after the sclerosis, should connect the processing consuming time hard, stability and durability can't be guaranteed, fastener and cement fiberboard junction produce stress concentration easily simultaneously, cause the fracture of cement fiberboard, the risk that drops appears when pouring concrete even.

Disclosure of Invention

Aiming at least one technical problem in the prior art, the invention provides the disassembly-free steel bar truss floor bearing plate, the floor bearing plate not only has light weight and can be paved by two workers, but also has convenient assembly and simple process, and the floor bearing plate is stably connected with a steel bar truss and is durable without the risk of falling off.

The invention provides a disassembly-free steel bar truss floor bearing plate which comprises a template, wherein the template comprises a bottom plate and a metal connecting plate fixed on the bottom plate, the connecting plate comprises a connecting part exposed out of the upper side face of the bottom plate and an anchoring part positioned in the bottom plate, the anchoring part is inserted into the bottom plate when the bottom plate is not hardened and is fixed with the bottom plate after the bottom plate is hardened, and the connecting part is connected with a plurality of parallel steel bar trusses in a welding mode. The template is connected with the bottom plate and the connecting plate through the anchoring part positioned in the bottom plate, so that the technical problems and technical prejudices existing in the prior art that the bottom plate and the connecting plate are connected through the fastening part are overcome, the bottom plate and the connecting plate are firmly connected and have good durability, the anchoring part can be used as a reinforcing body of the bottom plate, the performances such as toughness and strength of the bottom plate are improved, and the structure of the bottom plate cannot be damaged by additionally punching. The connecting plate is integrally connected and conductive, and is welded and connected with the steel bar truss in the same welding layer, so that the welding is convenient, the welding process is simple, and the welding device is suitable for automatic welding equipment.

Furthermore, the connecting plates are a plurality of strips which are parallel at intervals and penetrate through the length direction of the bottom plate or are integral plates covered on the upper side of the bottom plate.

The connecting plate is interrupted to be divided into a plurality of parallel with steel bar truss can, and the connecting plate sets up more in a flexible way, can utilize section bars such as C shaped steel to increase the structural strength of bottom plate on length direction, it is also convenient with steel bar truss's welding simultaneously. When the connecting plate is a thin plate and covers the bottom plate comprehensively and continuously, the bottom plate is paved and pressed into a whole, the process is simple, the toughness of the bottom plate can be enhanced through the connecting plate, and the connecting plate is firm in connection.

Furthermore, the anchoring part is a part of the connecting plate turned towards the direction of the bottom plate or a part bent and extended towards the bottom plate, and is integrally formed with the connecting plate.

The plate-shaped anchoring part formed by downwards turning the connecting plate is structurally formed into a wing plate of the connecting plate, so that the whole bending resistance is greatly improved, the structural strength of the template is obviously enhanced, and the bending or stamping processing cost of the metal plate is low and the efficiency is high.

Further, a plurality of holes are distributed on the anchoring part.

The hole structure is arranged on the anchoring part, the connection between the connecting plate and the bottom plate is tighter, the bottom plate can flow into the hole structure before hardening, the connection strength is increased, and the gap possibly existing between the connecting plate and the bottom plate can be reduced.

Furthermore, anchor holes are uniformly distributed in the connecting plate, and the periphery of each anchor hole is provided with the anchor part formed by downwards turning the connecting plate.

The plate through the anchor hole periphery turns over the anchor portion that forms downwards and can save material, reduces the processing cost, requires lightly and the big requirement of intensity to the building carrier plate, and the sheet metal is chooseed for use to connecting plate and bottom plate, connects closely, if connecting plate thickness is 0.5mm, when bottom plate thickness is 8 mm.

Further, the anchoring part is fan-shaped and has sharp corners, the edge part is saw-toothed, and the sharp corners are inserted into the bottom plate. The anchoring part can be conveniently inserted into the slab of the bottom plate, and the contact area is increased, so that the connection between the connecting plate and the bottom plate is firmer.

Furthermore, the anchoring part is a convex column formed by welding and connecting anchoring steel bars on the lower side of the connecting plate or stamping the connecting plate downwards, and the anchoring part is bent to form an anchoring foot.

The anchoring part formed by welding the anchoring reinforcing steel bars has high strength and is suitable for large-scale prefabricated bottom plate structures; and the convex column formed by stamping is more suitable for the connection of the thin connecting plate and the thin bottom plate, the connection is tight, if the thickness of the connecting plate is 0.5mm, and the thickness of the bottom plate is 8mm, the groove formed by stamping is more tightly combined with cast-in-place concrete, and the cast floor slab has no layering condition. The anchoring foot can be used for firmly grabbing the bottom plate, so that the anchoring part is connected with the bottom plate more firmly.

Furthermore, the connecting plate is a contour plate, and the bottom plate is a cement plate, a cement fiberboard, a heat insulation plate or a decorative plate.

The contour plate can increase the holistic structural strength of building carrier plate, and cement slab, cement fiberboard, heated board or decorative board use thinly, and as an organic whole with the floor behind concreting, and is very convenient to the fitment of floor in the room, need not the fitment even.

Furthermore, the thickness of the connecting plate is 0.3-1mm, the connecting part is 0-5mm higher than the upper side face of the bottom plate, the distance between the anchoring parts and the lower side face of the bottom plate is 0.5-5mm, and the anchoring parts are uniformly distributed and are more than or equal to 100 per square meter.

The connecting plate is 0.3-1mm thick, the template is lighter and thinner, materials are saved, the plasticity of the metal sheet in the range is stronger, processes such as stamping and profiling are convenient, the connecting part and the bottom plate are connected into a whole and exposed on the floor slab and are convenient to be connected with the steel bar truss, the distance between the anchoring part and the lower side surface of the bottom plate is 0.5-5mm, the bottom plate can grip the anchoring part more firmly, the anchoring part can be protected from being influenced by the environment, and the anchoring part is uniformly distributed. When anchor portion every square meter is greater than or equal to 100, bottom plate and connecting plate can have stronger joint strength, and anchor portion can set up littleer, and the connecting plate can increase the bulk strength of bottom plate like this, can guarantee joint strength again, avoids having the possibility that the bottom plate drops, and small and dense connecting portion manufacturing cost is also comparatively economical simultaneously.

Furthermore, the truss is a steel bar truss and comprises an upper chord steel bar, a lower chord steel bar and a web member steel bar connecting the upper chord steel bar and the lower chord steel bar, and the web member steel bar is welded with the connecting plate.

The web member reinforcing bar is connected with the connecting plate, can be through the interval of the structure of web member reinforcing bar control and adjustment bottom chord reinforcing bar and connecting plate for the bottom chord reinforcing bar can reach the best effect of being wrapped up in the gripping by the concrete, can effectively utilize the bottom chord reinforcing bar, and the web member reinforcing bar has a plurality of tie points with the connecting plate contact moreover, and web member reinforcing bar rigidity is less, and elasticity has greatly avoided the destruction of impact to the solder joint, makes steel bar truss and connecting plate connect more stably.

Furthermore, the web member steel bars and the lower chord steel bars are connected and then turned outwards to form connecting feet, and the connecting feet are connected with the connecting parts in a welding mode.

The connecting foot makes welded connection's area of contact great, and joint strength is higher, and the active area is big, avoids the atress to concentrate, and the connecting foot is also left welded connection's space for connecting the instrument to turning up. The parallel arrangement of the connecting pins and the connecting parts is more suitable for the welding process of resistance spot welding.

Furthermore, the connecting pins are uniformly distributed on two sides of the steel bar truss at intervals, the connecting pins are basically parallel to the connecting parts and are welded and connected through resistance spot welding, and two ends of the steel bar truss respectively protrude out of the bottom plate and are used for being supported on a building.

The parallel arrangement of connecting the foot makes things convenient for the automatic welding of connecting the foot, and resistance spot welding is fit for the automatic welding with metal connecting plate on this patent stereoplasm bottom plate simultaneously, and welding efficiency is high, and the solder joint is stable, few defect.

The supporting pieces are fixedly connected with the formworks, extend out of the side edges of the formworks and can be in contact with the adjacent formworks.

Set up support piece in the top of floor carrier plate, can avoid or reduce the dislocation of cement fiberboard concatenation gap. Support piece's use also can increase the horizontal joint strength of building carrier plate simultaneously for building carrier plate on the entrance to a cave connects into a whole, increases the holistic stability of building carrier plate. And concrete placement accomplishes the back, through the setting of support piece and the nature of floor carrier plate itself for cement fiberboard combines inseparabler with cast in situ concrete, fuses together even.

Furthermore, support piece is sheet metal piece, welds in connecting plate limit portion top, support piece stretches out connecting plate limit portion and can offset with the connecting plate upper surface of adjacent building carrier plate, or support piece offsets or welded connection, and the support piece of template both sides is crisscross stretches out the side of corresponding template.

Set up support piece at the limit portion of template, can support each other or welded connection through support piece and adjacent building carrier plate to the position that has the splice joint dislocation, reduce the splice joint dislocation, and support piece can be through welding modes such as resistance spot welding and sheet metal welded connection, and this welding can be accomplished in the mill, the mechanized operation of being convenient for.

Although steel bar truss and connecting plate welded fastening mode are the same basically with the welded fastening mode of current steel bar truss floor carrier plate, but with the cement fiberboard of matter hard through setting up metal connecting piece and steel bar truss welded fastening, the quick form that reaches is joined in marriage, is the fixed mode that current cement fiberboard has not tried, broken cement fiberboard and steel bar truss can only pass through the screw, the technical bias that fastener etc. are connected, mechanized assembly application has been improved greatly to this patent, and higher assembly efficiency and assembly stability have.

Drawings

FIG. 1 is a top view of a template structure;

FIG. 2 is a sectional view taken along line A-A of FIG. 1;

FIG. 3 is a schematic top view of a steel bar truss floor deck with no need of dismantling;

FIG. 4 is a cross-sectional view taken along line B-B of FIG. 3;

FIG. 5 is a schematic top view of another non-dismantling steel bar truss floor deck;

FIG. 6 is a cross-sectional view taken along line D-D of FIG. 5;

FIG. 7 is a top view of another template structure;

FIG. 8 is a cross-sectional view taken along line C-C of FIG. 7;

FIG. 9 is a cross-sectional view in the direction C-C of the alternate template structure of FIG. 7;

fig. 10 is a schematic top view of another non-dismantling steel bar truss floor deck;

fig. 11 is a schematic cross-sectional view illustrating a non-dismantling steel bar truss deck shown in fig. 10;

FIG. 12 is a schematic view of a connection plate;

fig. 13 is a schematic view of another connecting plate structure.

The labels in the figures are:

10-template, 1-bottom plate, 2-connecting plate (originally connecting piece), 21-connecting part, 22-anchoring part, 221-anchoring foot, 23-hole, 24-anchoring hole, 31-steel bar truss, 311-upper chord steel bar, 312-web member steel bar, 3121-connecting foot, 313-lower chord steel bar, 314-support rib, 322-wing plate and 5-supporting piece.

Detailed Description

For a further understanding of the invention, reference should be made to the following detailed description taken in conjunction with the accompanying drawings and examples. It is to be understood that the examples are illustrative of the invention and not limiting.

As shown in fig. 3, 5 and 10, the invention provides a disassembly-free steel bar truss floor deck, which comprises a formwork 10, wherein the formwork 10 comprises a bottom plate 1 and a connecting plate 2, and the formwork 10 is connected with a steel bar truss 31 in a welding manner. The bottom plate 1 can be a cement plate, a cement fiber plate, a heat insulation plate or a decorative plate, is fluid or easy to deform before forming, and is hardened and formed as a building material after maintenance. Of course, wood panels formed by powder processing are included. The cement fiber board is also called fiber cement board, and is a building material made of siliceous and calcareous materials as main raw materials and plant fibers, and is the prior art. It can be a cement fiber board disclosed in Chinese patent publication No. CN111320426A, a high-toughness wear-resistant cement fiber board disclosed in publication No. CN109704692A, a novel coated cement fiber board disclosed in CN103480554A, and the like.

As shown in fig. 1 and 7, the connecting plate 2 and the cement fiberboard are connected and fixed at the time of or after the manufacture of the cement fiberboard, and the connector 2 and the cement fiberboard are fixedly connected in various modes of cement fiberboard molding including integral casting, pressing, fitting and fixing. At least one part of the connecting plate 2 is sunk in the cement fiber board so that the connecting plate 2 and the cement fiber board are fixedly connected. The connecting plate 2 has a connecting portion 21 exposed on one side of the cement fiberboard. With connecting plate 2 and cement fiberboard through pre-buried anchor, should fix the manufacturing process who forms in cement fiberboard, such fixed very firm and stable even meet abominable environment, also can not destroyed for the holistic thickness of building support template reduces, rigidity is big, and stability, durability are stronger. Simultaneously, through the surface that exposes connecting portion 21 cement fiberboard, can be so that with welded connection such as steel bar truss, section bar very convenient, be convenient for make steel bar truss building carrier plate.

In the prior art, a cement fiberboard manufacturing method is disclosed, for example, in publication No. CN 109704692A. The connecting plate 2 and the cement fiberboard can be integrally pressed and formed, and the connecting plate 2 is made of metal. The connecting piece 2 and the cement fiber board are formed by pressing, have compact texture and high rigidity, and can be used as a permanent structure of a floor panel. The connecting plate 2 is parallel to one surface of the cement fiberboard, and as shown in fig. 1, the connecting plate 2 is an integral plate and covers one side of the bottom plate 1 completely. Thus, one side of the template 10 is covered with the metal connecting plate 1, one side is exposed to form the bottom plate 1, one side of the metal connecting plate and the cast-in-place concrete structure are covered, and the other side of the metal connecting plate is the bottom surface of the floor slab. Therefore, the floor bottom surface is very convenient to finish, and even does not need to be finished again. The connecting plates 2, as shown in fig. 5, are arranged on the formwork 10 at intervals of 4, and the arrangement can reduce the deflection deformation of the formwork 10 in the length direction. Of course, as shown in fig. 9, in an embodiment of the connection plate 2, the connection plate 2 is a profiled plate or a special plate, and the plate at the connection position with the steel bar truss is only set by a profiled protrusion or thickening, so that not only can the material of the connection plate 2 be saved, but also the welding process requirements can be reduced when the anchoring part 22 and the web member steel bar 312 are set, and simultaneously the overall rigidity of the laid floor deck can be cooperatively enhanced with the steel bar truss, and the deformation can be reduced.

As shown in fig. 2, 8-9,11-12, the connection plate 2 comprises an anchoring portion 22 extending in the opposite direction to the connection portion 21 and located inside the cement fiberboard. The anchoring portion 22 may be a portion of the connecting plate 2 that is punched and turned toward the bottom plate 1, or may be a portion that is bent and extended toward the bottom plate 1, and is integrally formed with the connecting plate 2. In some embodiments, the anchoring portion 22 may be a welding-connected anchoring bar on the lower side of the connection plate 2 or a protruding pillar on the lower side of the connection plate 2. When the connecting plate is punched downwards, a convex column is formed, and the anchoring part can be formed without forming a through hole by punching.

The anchor 22 is most simply formed by mechanical stamping to form a stamped edge that is folded down and forms a stamped recess or anchor hole 24. The plate around the anchoring hole 24 is folded downwards to form the anchoring part 22, so that the material can be saved, and the processing cost can be reduced. The anchoring portion 22 is fan-shaped with sharp corners, the edges are saw-toothed, and the sharp corners are inserted into the base plate 1. The pointed shape of the anchor portion 22 makes it easier for the anchor portion 22 to be inserted into the blank of the base plate, and the saw-toothed structure further makes it easier for the anchor portion 22 to be inserted, while also increasing the contact area with the base plate and increasing the firmness of the connection. Of course, in another embodiment, the through hole is formed by punching, and by additionally providing the anchor part 22, such as a cylindrical barrel with an outward flanged end, etc., the insertion into the anchor hole 24 can make the connection strength between the connecting plate 2 and the bottom plate 1 greater, and of course, the structure and shape of the anchor part 22 are more flexible, the laying of the connecting plate is more convenient, and the problem of the connection strength between the anchor part and the connecting plate can be solved.

When the anchor portion 22 has a plate-like structure, it can serve as a wing plate on both sides of the connector 2, thereby structurally increasing the bending resistance of the connector. The anchor portion 22 is constructed in a plate-like manner so that the flow of the base material can be reduced by providing a plurality of holes 23 uniformly distributed.

The anchoring portion 22 includes anchoring legs 221 bent to the left side or/and bent to the right side in the longitudinal direction of the connection plate 2. The connecting part 21 is 1-5mm higher than the upper side of the cement fiberboard, and the anchoring foot 221 is 1-5mm away from the lower side of the cement fiberboard 1. Anchoring portion 22 can be connected, riveting etc. with connecting plate 2 welded connection, fastener, certainly also can be integrated into one piece spare, for connecting plate 2 punching press position etc. downwards, anchoring portion 22's effect is the area of contact or the coefficient of friction who increases connecting piece 2 and cement fiberboard for connecting piece 2 and cement fiberboard is connected more firmly, sets up the anchor foot 221 of bending and can increase the area with the anchor of cement fiberboard looks.

In order to increase the flowability of the blank when the cement fiberboard blank is pressed and avoid the problems of compaction, cavities and the like, a plurality of holes 23 are distributed on the connecting part and/or the anchoring part, and the arrangement of the through holes reduces the influence on the structural strength as much as possible. Generally, the thickness of the connecting plate is 0.3-1mm, the thickness of the cement fiberboard is 5-15 mm, and the preferable thickness is 6-8 mm. The width of the floor deck is 1100 mm-1300 mm, the length is 2200-. Every two connecting plates with the interval of 100-80mm are combined, the interval between every two combined plates is 150-100mm, or the connecting plates are integrally paved and fully cover the bottom plate, and the connecting plates can be partially paved or not paved without edges, and belong to the normal process requirement.

As shown in fig. 3-6 and 10-11, the connection between the bottom plate 1 and the steel bar truss 31 is realized by welding the steel bar truss 31 and the connecting plate 2. The steel bar truss 31 can be replaced by other trusses such as an H-shaped section, a channel steel and the like. Each steel bar truss 31 comprises an upper chord steel bar 311, a web member steel bar 312 and two lower chord steel bars 313, and the lower chord steel bars 313 or the web member steel bars 312 are welded with the connecting part 21. The web member reinforcing steel bars 312 and the lower chord reinforcing steel bars 313 are connected, extended and turned outwards to form connecting feet 3121, and the connecting feet 3121 are welded with the connecting part 21. The connecting area is increased due to the arrangement of the connecting feet 3121, stress concentration is avoided, and the connecting feet turn outwards to leave a welding connection space for welding equipment. The connecting feet 3121 are evenly distributed at intervals on both sides of the steel bar truss 31, and the connecting feet 3121 are basically parallel to the connecting part 21 and are welded and connected by resistance spot welding.

The multi-welding-point rapid welding can be realized through resistance spot welding, the welding is firm, the automation can be realized, and the labor cost is low.

The connecting feet 3121 are evenly distributed at intervals on both sides of the steel bar truss 31, the connecting feet 3121 are basically parallel to the connecting part 21 and are welded and connected by spot welding, and both ends of the steel bar truss 31 respectively protrude out of the bottom plate 1 for supporting on a building.

The utility model provides an in exempting from to tear open steel bar truss building carrier plate, connect bottom plate 1 and steel bar truss 31 through the welded connection mode, the cement fiberboard that the matter that will have the metal top layer is hard is through with steel bar truss welded connection, the quick form that reaches is joined in marriage, be the fixed mode that current cement fiberboard has not tried, broken cement fiberboard and steel bar truss can only pass through the screw, the technique that fastener etc. are connected after punching on the cement fiberboard partially, mechanized assembly is used greatly to this patent, and have higher assembly efficiency and structural stability. Under the condition that the cement fiberboard does not need to be processed by punching and the like, the arrangement shape, the performance, the required thickness and the like of the cement fiberboard can be selected more flexibly, and the processing cost can be reduced while the material cost is reduced.

For some thinner non-dismantling steel bar truss floor bearing plates, in order to avoid the problems of dislocation of splicing positions or insecure connection and the like, the supporting pieces 5 are distributed at intervals in the length direction of the floor bearing plates, and the supporting pieces 5 are fixedly connected with the template and extend out of one side of the template. Furthermore, support piece 5 is sheet metal piece, welds in 2 limit portion tops on the connecting plate, support piece 5 stretches out connecting plate limit portion and can offset with the connecting plate upper surface of adjacent building carrier plate, or support piece offsets, or welded connection. The connecting plate 2 can be pre-welded with a thick metal plate through resistance spot welding, and the floor support plate can be connected through manual welding when being laid. Support piece welded connection sets up, and is more convenient, nimble, even as an organic whole with adjacent building carrier plate, not only can be so that reduce dislocation from top to bottom but also can reduce the gap between the adjacent building carrier plate.

For the support of the adjacent edges when the truss floor deck is spliced, the following scheme can be implemented for the support piece structure: the floor support plate comprises grooves and bosses which are alternately distributed at intervals in the length direction of two side edges of the floor support plate, and the structures of the bosses and the grooves are matched; the floor support plate structure comprises slots distributed at intervals in the length direction of two side edges of a floor support plate, and pin pieces, wherein one part of each pin piece is inserted into the slot and fixed, and the other part of each pin piece is exposed to be matched with the slot of the other floor support plate.

This patent is exempted from to tear open formula steel bar truss building carrier plate when the installation uses, as shown in fig. 3-6, tip at steel bar truss sets up support muscle 314, apply steel structure building at steel bar truss building carrier plate, steel bar truss's tip stretches out the bottom plate, support muscle overlap joint welded connection on steel structure roof beam, and when exempting from to tear open formula steel bar truss building carrier plate and applying concrete structure in, steel bar truss's tip and the tip parallel and level of bottom plate can, support muscle 314 on the support piece bottom plate, the bottom plate is taken on the template of wall body or roof beam or on the wall body or the roof beam of sclerosis.

In the construction of floor slabs, steel bar truss floor decks are commonly used, and the steel bar truss floor deck without dismantling is further described by taking the steel bar truss floor deck as an example.

The invention also provides a template manufacturing method, which comprises the following steps:

a method for manufacturing a template comprises the following steps of 1, manufacturing a blank of a bottom plate: uniformly stirring cement, cellulose and water and paving the mixture into a plate blank;

step 2, laying a connecting plate: punching or welding a connecting plate to form an anchoring part, then paving the connecting plate on the surface of the plate blank, leading the connecting part of the connecting plate to face the same side of the plate blank, sinking the anchoring part into the plate blank, pressing and fixing the plate blank and the connecting plate, and pressing into a plate with the required density and thickness of the bottom plate;

step 3, forming: after pressing, the plate is placed, so that the plate blank is solidified and hardened into the plate;

step 4, assembling: and (3) cutting the formed plate into the required size, or paving the plate blank in a mould with the required size in the step 1 to form the plate blank with the required size.

The invention also provides a manufacturing method of the disassembly-free steel bar truss floor support plate, which comprises the following steps:

a manufacturing method of a disassembly-free steel bar truss floor bearing plate comprises the following steps of 1, manufacturing a blank of a bottom plate: uniformly stirring cement, cellulose and water and paving the mixture into a plate blank;

step 2, laying a connecting plate: laying a connecting plate in the surface of the plate blank, wherein the connecting plate is provided with an anchoring part and a connecting part, the connecting part faces the same side of the plate blank, the anchoring part is sunk into the plate blank, the plate blank and the connecting plate are pressed and fixed, and a plate with the density and the thickness required by the bottom plate is pressed;

step 4, assembling: cutting the formed plate into a required size, paving a steel bar truss on one side of a connecting plate in parallel, and welding and fixing the steel bar truss and the connecting plate;

the plate material of the step 5 is cut into the required size and can also be finished in the step 1, namely, the plate blank is laid in a mould with a certain size to form a plate blank with the required size; and (3) when the connecting plate is fixed in the step (2), the connecting part is exposed out of the surface of the plate blank, or the connecting part is buried in the plate blank, and the upper surface part of the plate formed in the step (3) is partially removed through machining so that the connecting part is exposed.

The connecting plate can wholly bury in the bottom plate, exposes connecting portion through machining, can reduce the connecting plate like this and receive uneven deformation when being connected with the slab, skids or the connecting plate is torn the scheduling problem, has also avoided the connection problem between connecting plate and the cast in situ concrete simultaneously.

The connecting plate is connected with the bottom plate when the bottom plate is a plate blank, so that after the bottom plate is solidified, the connection between the bottom plate and the connecting plate is very firm and even integrated, the process of connecting through fasteners such as screws is avoided, the possibility of damaging the bottom plate is reduced, and the processing and assembling cost is low. The technical prejudice that the cement fiberboard and the steel bar truss can only be connected through screws, fasteners and the like in the prior art is broken through the welding and fixing mode of the steel bar truss and the connecting plate, the application of mechanical assembly is greatly improved, and the steel bar truss and the connecting plate have higher assembly efficiency and assembly stability.

The setting directions of longitudinal and transverse are two directions which are vertical to each other on a horizontal plane, and when a direction extending on the horizontal plane is defined as longitudinal, the corresponding directions which are arranged on the horizontal plane and the longitudinal are defined as transverse; the terms "upper" and "lower" as used herein refer to "above" and "below" of a laid product according to an embodiment of the present invention.

The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the invention, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the invention.

Claims

1. The utility model provides a exempt from to tear open steel bar truss floor carrier plate, includes template (10), template (10) include bottom plate (1) and fix metal connecting plate (2) on bottom plate (1), its characterized in that, connecting plate (2) are including exposing connecting portion (21) of bottom plate (1) upper flank and the inside anchor portion (22) that is located bottom plate (1), insert in bottom plate (1) when bottom plate (1) is unhardened anchor portion (22) to it is fixed mutually with bottom plate (1) after bottom plate (1) sclerosis, connecting portion (21) and a plurality of parallel steel bar truss (31) welded connection.

2. The disassembly-free steel bar truss floor deck according to claim 1, wherein the connecting plates (2) are a plurality of strips which are parallel at intervals and penetrate through the length direction of the bottom plate or are integrated plates covering the upper side of the bottom plate (1).

3. The non-dismantling steel bar truss floor deck according to claim 2, wherein the anchoring part (22) is a part of the connecting plate (2) which is punched and turned towards the bottom plate (1) or a part which is bent and extended towards the bottom plate (1) and is integrally formed with the connecting plate (2).

4. The non-dismantling steel bar truss floor deck according to claim 3, wherein the anchoring portion (22) is distributed with a plurality of holes (23).

5. The non-dismantling steel bar truss floor deck according to any one of claims 1 to 4, wherein anchor holes (24) are uniformly distributed in the connecting plates (2), and the anchor parts (22) of the connecting plates (2) which are turned downwards are arranged on the peripheries of the anchor holes (24).

6. The demolition-free steel-bar truss floor deck according to claim 5, wherein the anchoring part (22) has a fan shape with a sharp corner, and the side part has a saw-tooth shape with the sharp corner inserted into the bottom plate (1).

7. The non-dismantling steel bar truss floor deck as claimed in any one of claims 1 to 2, wherein the anchoring part (22) is a welded connection anchoring steel bar on the lower side of the connecting plate (2) or a protruding column (222) protruding from the lower side of the connecting plate (2), and the anchoring part (22) is bent to form an anchoring foot (221).

8. The disassembly-free steel bar truss floor deck according to claim 1, wherein the connecting plate (2) is a contour plate, and the bottom plate (1) is a cement plate, a cement fiberboard, a heat insulation plate or a decorative plate.

9. The non-dismantling steel bar truss floor deck according to claim 1, wherein the thickness of the connecting plate is 0.3-1mm, the connecting portion (21) is 0-5mm higher than the upper side of the bottom plate (1), the distance between the anchoring portions (22) and the lower side of the formwork (10) is 0.5-5mm, and the number of the anchoring portions (22) is 100 or more per square meter.

10. The non-dismantling steel bar truss floor deck as claimed in any one of claims 1 to 4 and 8 to 9, wherein the truss is a steel bar truss (31) comprising an upper chord steel bar (311), a lower chord steel bar (313) and a web member steel bar (312) connecting the upper chord steel bar (311) and the lower chord steel bar (313), and the web member steel bar (312) is welded to the connecting plate (2).

11. The non-dismantling steel bar truss floor deck as claimed in claim 10, wherein the web member steel bars (312) are connected with the lower chord steel bars (313) and then turned outwards to form connecting feet (3121), and the connecting feet (3121) are welded to the connecting parts (21).

12. The non-dismantling steel bar truss floor deck according to claim 11, wherein the connecting feet (3121) are evenly spaced at both sides of the steel bar truss (31), the connecting feet (3121) are substantially parallel to the connecting portion (21) and are welded by spot welding, and both ends of the steel bar truss (31) are respectively protruded from the bottom plate (1) for supporting on a building.

13. The disassembly-free steel bar truss floor deck according to any one of claims 1-4 and 8, further comprising supporting members (5) spaced on both sides above the formworks (10), wherein the supporting members (5) are fixedly connected with the formworks (10) and extend out of the side edges of the formworks (10) to be capable of contacting with the adjacent formworks.

14. The disassembly-free steel bar truss floor deck according to claim 13, wherein the supporting members (5) are metal plates welded above the edges of the connecting plates (2), the supporting members (5) extend out of the edges of the connecting plates (2) and can abut against the upper surfaces of the connecting plates (2) of adjacent floor decks, or the supporting members abut against or are welded to the upper surfaces of the connecting plates, and the supporting members (5) on two sides of each formwork (10) extend out of the side edges of the corresponding formwork (10) in a staggered manner.