CN214884753U

CN214884753U - Steel bar truss assembly and steel bar truss floor support plate

Info

Publication number: CN214884753U
Application number: CN202121015501.9U
Authority: CN
Inventors: 孙刚; 陶红斌; 张赞; 王保强
Original assignee: Duowei Union Group Co Ltd
Current assignee: Duowei Union Group Co Ltd
Priority date: 2021-05-12
Filing date: 2021-05-12
Publication date: 2021-11-26
Anticipated expiration: 2031-05-12

Abstract

The embodiment of the utility model provides a steel bar truss subassembly and steel bar truss building carrier plate, wherein, the steel bar truss subassembly, include: the steel bar truss comprises a steel bar truss and connecting components, wherein a plurality of connecting components are arranged at intervals on each lower chord steel bar of the steel bar truss along the axial direction of the lower chord steel bar; wherein, coupling assembling includes: a connecting piece and a locking component; the connecting piece is provided with a first surface and a second surface which are arranged in a reverse manner, and is provided with a mounting hole which penetrates through the first surface and the second surface; the connecting piece is connected with the lower chord steel bar; the locking assembly comprises a clamping column and a positioning gasket; the periphery of the clamping column is provided with a clamping block, the clamping column is partially penetrated in the mounting hole, and the clamping block is abutted against the first surface; a connecting hole is formed in one end, penetrating through the mounting hole, of the clamping column along the axial direction; the positioning gasket is sleeved on the clamping column and is abutted against the second surface. The connecting assembly can be connected to the steel bar truss in advance, so that the construction of the steel bar truss assembly is facilitated, and meanwhile, the storage and the transportation of the steel bar truss assembly cannot be influenced.

Description

Steel bar truss assembly and steel bar truss floor support plate

Technical Field

The embodiment of the utility model provides a relate to building technical field, especially relate to a steel bar truss subassembly and steel bar truss building carrier plate.

Background

With the continuous development of the building industry, the detachable steel bar truss floor deck is gradually applied to various buildings, such as residential buildings. Detachable steel bar truss building carrier plate has accelerated the construction progress, has reduced the construction and has used interim support, can realize quick installation, template reuse.

Among the prior art, the steel bar truss of detachable steel bar truss building carrier plate passes through coupling assembling with the die block and is connected, passes through the screw connection between coupling assembling and the die block. However, the existing connecting pieces are mostly made of plastic materials, when concrete is poured on the bottom die, the steel bar truss and the bottom die plate can slide due to the impact force and the gravity action of the concrete, so that the deformation of the bottom die plate is increased, and the flatness of the bottom of the floor slab is affected.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned problem, provided the embodiment of the utility model to a coupling assembling and steel bar truss building carrier plate of solving above-mentioned problem are provided.

An embodiment of the utility model provides a steel bar truss subassembly, include:

the steel bar truss comprises an upper chord steel bar, two lower chord steel bars positioned on two sides below the upper chord steel bar and web member steel bars, wherein two ends of the web member steel bars are fixedly connected with the upper chord steel bar and the lower chord steel bar respectively;

the connecting assemblies are arranged along the axial direction of the lower chord steel bars, and a plurality of connecting assemblies are arranged at intervals on each lower chord steel bar; wherein the content of the first and second substances,

the connecting assembly includes: a connecting piece and a locking component;

the connecting piece is provided with a first surface and a second surface which are arranged in an opposite way, and is provided with a mounting hole which penetrates through the first surface and the second surface; the connecting piece is connected with the lower chord steel bar;

the locking assembly comprises a clamping column and a positioning gasket; the periphery of the clamping column is provided with a clamping block, the clamping column is partially arranged in the mounting hole in a penetrating mode, and the clamping block is abutted to the first face; a connecting hole is formed in one end, penetrating through the mounting hole, of the clamping column along the axial direction; the positioning gasket is sleeved on the clamping column and is abutted against the second surface.

Optionally, the connecting member is made of a metal material, and the steel bar truss and the connecting member are welded and fixed.

Optionally, the diameter of the spacer tapers from an end towards the second face to an end away from the second face.

Optionally, a connecting bump is arranged on the outer wall of the positioning gasket; or

The outer wall of the positioning gasket is provided with a convex-concave structure.

Optionally, the positioning gasket is connected with the clamping column in an interference fit manner or in a threaded manner.

Optionally, the number of the clamping blocks is multiple, and the multiple clamping blocks are arranged at intervals along the circumferential direction of the clamping column; or

The clamping block is of an annular structure and is annularly arranged on the clamping column along the circumferential direction of the clamping column; or

The joint piece is circular structure, sets up the joint post is kept away from on the terminal surface of first face.

Optionally, one end of the clamping block, which is far away from the clamping column, is provided with an avoiding inclined plane.

Optionally, the clamping block and the clamping column are of an integrally formed structure.

Optionally, the connecting piece includes a bottom plate and two side plates connected to two opposite sides of the bottom plate, and the bottom plate and the two side plates form a U-shaped groove structure;

the bottom plate is located one side in the U-shaped groove structure is first face, the mounting hole is arranged on the bottom plate.

Optionally, the included angle between the bottom plate and the side plate may be an acute angle, a right angle or an obtuse angle.

Optionally, one end of each of the two side plates, which is far away from the bottom plate, is provided with a folded edge.

Optionally, the included angle between the side plate and the folded edge may be an acute angle, a right angle or an obtuse angle.

Correspondingly, the embodiment of the utility model provides a steel bar truss building carrier plate is still provided, include:

a floor deck plate body;

the steel bar truss assembly comprises steel bar trusses and a connecting assembly; wherein the content of the first and second substances,

the steel bar truss comprises an upper chord steel bar, two lower chord steel bars positioned at two sides below the upper chord steel bar and web member steel bars of which two ends are fixedly connected with the upper chord steel bar and the lower chord steel bar respectively;

along the axial direction of the lower chord steel bars, a plurality of connecting assemblies are arranged at intervals on each lower chord steel bar;

the connecting assembly includes: a connecting piece and a locking component;

the locking assembly comprises a clamping column and a positioning gasket; the periphery of the clamping column is provided with a clamping block, the clamping column is partially arranged in the mounting hole in a penetrating mode, and the clamping block is abutted to the first face; one end of the clamping column penetrating through the mounting hole is provided with a connecting hole along the axial direction, and one end of a fastener can penetrate through the floor bearing plate body to be connected with the connecting hole; the positioning gasket is sleeved on the clamping column and is abutted against the second surface.

The embodiment of the utility model provides a technical scheme, steel bar truss and connecting piece can adopt the welded connection mode, have increased the building carrier plate of using this coupling assembling at the rigidity of construction stage to reduce the deformation of building carrier plate body at the construction stage, made this building carrier plate have the effect of the bottom of the plate roughness better. Meanwhile, the connecting assembly can be connected to the steel bar truss in advance, construction of the steel bar truss assembly is facilitated, and meanwhile storage and transportation of the steel bar truss assembly cannot be influenced. Coupling assembling can be used to connect the steel bar truss on the floor carrier plate body, and coupling assembling accessible fastener and floor carrier plate body are connected, can improve the height of connecting piece through the lock solid subassembly for the bottom that the connecting piece was got into in the concrete is changeed, makes the concrete change parcel coupling assembling, avoids the metal connecting piece directly to expose and leads to rustting. Simultaneously, live the fastener parcel through the lock solid subassembly, prevent that the fastener is wrapped up in to the concrete, reduce the dismantlement degree of difficulty of fastener, improve and dismantle efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic cross-sectional view of a steel bar truss assembly according to an embodiment of the present invention;

fig. 2 is a partial structural view of the steel bar truss assembly of fig. 1;

fig. 3 is a schematic cross-sectional view of another steel bar truss assembly according to an embodiment of the present invention;

fig. 4 is a schematic perspective view of a connection assembly in an embodiment of the present invention;

fig. 5 is a schematic cross-sectional structure diagram of a connection assembly according to an embodiment of the present invention;

fig. 6 is a schematic top view of a connecting assembly according to an embodiment of the present invention;

fig. 7 is a schematic perspective view of a locking assembly according to an embodiment of the present invention;

fig. 8 is a schematic plan view of the bottom of the locking assembly in the embodiment of the present invention;

fig. 9 is a schematic side view of a connecting assembly according to an embodiment of the present invention;

fig. 10 is a schematic side view of a cross-sectional structure of a connection assembly according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the scope protected by the embodiments of the present invention.

The inventor finds in practice the utility model discloses during the embodiment, in prior art, detachable steel bar truss building carrier plate is when using, takes place relative slip easily at the construction stage between steel bar truss and the die block board to increased the deflection of die block board, influenced the roughness at the bottom of the board.

The reason for this is that the connecting piece is an injection molding piece, and the steel bar truss and the injection molding piece are buckled, so that the steel bar truss and the bottom formwork slide relatively when concrete is poured.

To the above problem, the embodiment of the utility model provides a steel bar truss subassembly and steel bar truss building carrier plate can effectively avoid the bottom of the floor to warp too big emergence.

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the accompanying drawings and specific embodiments. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that, in the description of the present invention, the terms "first" and "second" are only used for convenience in describing different components or names, and are not to be construed as indicating or implying a sequential relationship, relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Example 1

Fig. 1 is the embodiment of the present invention provides a sectional structure diagram of a steel bar truss assembly, fig. 2 is a partial structure diagram of the steel bar truss assembly in fig. 1, and fig. 3 is the embodiment of the present invention provides a three-dimensional structure diagram of another steel bar truss assembly, as shown in fig. 1 to fig. 3.

An embodiment of the utility model provides a steel bar truss subassembly, include: steel truss 300 and connecting assembly 100.

The steel bar truss 300 comprises an upper chord steel bar 301, two lower chord steel bars 302 positioned at two sides below the upper chord steel bar 301, and web member steel bars 303 of which two ends are fixedly connected with the upper chord steel bar 301 and the lower chord steel bars 302 respectively.

Along the axial direction of the lower chord steel bars 302, a plurality of connecting assemblies 100 are arranged at intervals on each lower chord steel bar 302. Wherein, with reference to fig. 4 to 6 in conjunction with fig. 1 to 3, the connection assembly 100 includes: a connector 10 and a locking assembly. The connecting member 10 has a first surface and a second surface opposite to each other, and has a mounting hole 11 penetrating through the first surface and the second surface. The connector 10 is connected with the lower chord reinforcing steel bar 302. Taking the orientation in fig. 4 as an example, the first surface is the upward surface, and the second surface is the downward surface.

Referring to fig. 7 and 8, the locking assembly includes a snap-in post 20 and a positioning pad 30. Wherein, the circumference periphery of joint post 20 is equipped with joint piece 21, and in the mounting hole 11 was worn to locate by joint post 20 part, joint piece 21 and first face butt. The clamping column 20 is provided with a connecting hole 22 along the axial direction through one end of the mounting hole 11. The positioning pad 30 is sleeved on the clamping column 20 and is abutted against the second surface. After the locking assembly is connected with the connecting member 10, the clamping block 21 is limited on the first surface, and the positioning pad 30 is limited on the second surface, so that the locking assembly and the connecting member 10 are fixed. The hooking stem 20 is connected to the fastening member through the connecting hole 22 so as to wrap the fastening member and prevent the fastening member from being exposed.

The embodiment of the utility model provides a technical scheme, coupling assembling 100 can connect in advance on steel bar truss 300, make things convenient for the construction of steel bar truss subassembly, and, be equipped with a plurality of coupling assembling 100 on every lower chord reinforcing bar 302 respectively alone, make the space between two lower chord reinforcing bars 302 not blockked like this, a plurality of steel bar truss subassemblies are when depositing, in the space of two lower chord reinforcing bars 302 that the last chord reinforcing bar 301 of steel bar truss subassembly can stretch into another steel bar truss subassembly, realize range upon range of and deposit, shared space has been reduced. Correspondingly, in the transportation process, the occupied space of the carriage can be reduced, and the steel bar truss assembly is convenient to store and transport.

Meanwhile, the connecting assembly 100 can be used for connecting the steel bar truss 300 to the floor support plate body 200, the connecting assembly 100 can be connected with the floor support plate body 200 through fasteners, the height of the connecting piece 10 can be increased through the locking assembly, the concrete can enter the bottom of the connecting piece 10 more easily, the connecting assembly 100 can be wrapped by the concrete more easily, and the connecting strength is improved. Simultaneously, live the fastener parcel through the lock solid subassembly, prevent that the fastener is wrapped up in to the concrete, reduce the dismantlement degree of difficulty of fastener, improve and dismantle efficiency. And the steel bar truss 300 and the connecting assembly 100 can not slide, so that the steel bar truss 300 and the floor support plate body 200 form a whole, the relative sliding between the steel bar truss 300 and the floor support plate body 200 in the construction stage is reduced, the deformation of the floor support plate body 200 is reduced, and the flatness of the floor support plate body 200 is improved.

The embodiments of the present invention will be described in further detail with reference to the following detailed description.

In the embodiment of the present invention, the connecting member 10 includes but is not limited to a metal material, such as stainless steel, galvanized sheet, galvanized alloy sheet, etc. The lower chord 302 is connected to the connecting member 10 by welding, which can effectively prevent the steel bar truss 300 from sliding relative to the connecting member 100.

The locking assembly is made of, but not limited to, plastic materials and rubber materials, and is formed through an injection molding process, so that the locking assembly is not prone to rusting. In order to strengthen the connection stability between the clamping block 21 and the clamping column 20, the clamping block 21 and the clamping column 20 are of an integrally formed structure, so that the secondary connection between the clamping block 21 and the clamping column 20 is avoided, and the occurrence of the broken condition is reduced. Referring to fig. 1 and 4, the clip column 20 can penetrate through the mounting hole 11, one end of the clip column 20 penetrates through the second surface, the clip block 21 is limited on the first surface, and the positioning pad 30 is sleeved on the portion of the clip column 20 penetrating through the second surface and abutted against the second surface, so that the locking assembly and the connecting member 10 form a whole, i.e., the connecting assembly 100.

Referring to fig. 1 to 3, the connecting assembly 100 may be connected to the floor plate 200 by fasteners (the fasteners are not shown), which pass through the floor plate 200 from the side of the floor plate 200 and connect with the connecting holes 22 of the clamping posts 20, so as to fix the connecting assembly 100 to the floor plate 200. Fasteners include, but are not limited to, screws, self-tapping screws, and the like, including, but not limited to, full threads, half threads. The screw and the self-tapping screw are made of materials including, but not limited to, iron materials and stainless steel materials. The screw includes, but is not limited to, a hexagon socket screw, a cross screw, a straight screw, etc. Further, for the convenience of installation, through holes may be provided in a predetermined position of the floor support plate body 200 in advance, the through holes corresponding to the openings of the connection holes 22, and screws may be connected to the connection holes 22 through the through holes.

The embodiment of the utility model provides an in, fastener and connecting hole 22's connected mode includes the multiple, and a realizable mode is, connecting hole 22 be with fastener complex screw hole, the fastener can be the screw, the screw rod of screw can directly twist soon into connecting hole 22 in, realize connecting. Further, in order to improve the connection strength between the fastening piece and the clamping column 20, the depth of the connection hole 22 is greater than the length of the screw screwed into the connection hole 22, and when the fastening piece is connected with the clamping column 20 through the screw, the screw rod of the screw penetrates through the floor bearing plate body 200 and then extends into the connection hole 22 to be connected with the connection hole 22. If the depth of the screw rod extending into the connection hole 22 is insufficient, the length of the screw for connection is insufficient, so that the connection strength is insufficient. Or, in order to facilitate the use of the screw, the head of the screw is usually thinner than the body of the screw, if the head of the screw is connected with the connecting hole 22, the connecting strength provided by the head of the screw is smaller, if the depth of the connecting hole 22 is greater than the length of the screw screwed into the connecting hole 22, namely, after the screw extends into the connecting hole 22, the screw of the screw completely extends into the connecting hole 22, and the part of the connecting hole 22, which exceeds the screw, provides a containing space for the head of the screw, so that the screw is connected with the connecting hole 22 through the body of the screw, thereby improving the connecting strength.

Another way of connecting the fastener to the connection hole 22 is that the radial dimension of the connection hole 22 is slightly smaller than the radial dimension of the fastener, and the fastener and the connection hole 22 can be connected by interference fit. For example, the fastening member may be a tapping screw, and when the tapping screw is screwed into the connection hole 22, the tapping screw presses the connection hole 22, and the connection hole 22 wraps the tapping screw, thereby achieving connection.

The embodiment of the utility model provides an in, can make the second face place plane of connecting piece 10 be higher than floor support plate body 200 place plane through the lock solid subassembly, when coupling assembling 100 fixes on floor support plate body 200, connecting piece 10 and connecting plate body contactless can make the concrete get into the bottom of connecting piece 10 more easily, wrap up connecting piece 10 more easily promptly to reduce exposing of connecting piece 10. Simultaneously, can wrap up the fastener through the locking subassembly, can prevent like this that the fastener from being wrapped up by the concrete, it is easier when dismantling the fastener to improve and dismantle efficiency. After the concrete is solidified, the floor deck plate body 200 is removed, only the bottom of the locking assembly is exposed outside, and the locking assembly made of plastic materials or rubber materials is convenient to be connected with sealing filling mud.

The embodiment of the utility model provides an in, according to the demand of difference, can select the steel bar truss 300 of different specifications, the specification of the last chord reinforcing bar 301, the last chord reinforcing bar 302 and the web member reinforcing bar 303 of the steel bar truss 300 of different specifications also can be different, for example, the scope of the diameter of last chord reinforcing bar 302 can be according to the demand of difference, selects for use the size that the scope is different between 6-14 mm. The types of the upper chord reinforcements 301, the lower chord reinforcements 302 and the web member reinforcements 303 of the steel bar trusses 300 of different specifications may be different, and the types of the upper chord reinforcements 301, the lower chord reinforcements 302 and the web member reinforcements 303 of the same steel bar truss 300 may be different. For example, the rebar can be plain round rebar, ribbed rebar, and the like.

Be connected through coupling assembling 100 between steel bar truss 300 and the building carrier plate body 200, during the concreting, the concrete can wrap up coupling assembling 100, the bottom place plane of connecting piece 10 is higher than building carrier plate body 200 place plane, the bottom place plane of connecting piece 10 has the clearance between the plane of building carrier plate body 200 place plane, can make the concrete get into the bottom of connecting piece 10 more easily, make the concrete wrap up connecting piece 10 more easily, solidify into the building carrier plate when the concrete, when dismantling building carrier plate body 200 from the building carrier plate, in order to reduce the exposure of connecting piece 10 on the building carrier plate.

The embodiment of the utility model provides an in, floor support plate body 200 is including but not limited to for one in galvanized sheet, zinc-plated alloy board, decorative pattern steel sheet, bamboo plywood, plank sheathing, wood-plastic panel, the board of moulding plastics, aluminum alloy template, profiled sheet. Referring to fig. 3, when the floor deck plate 200 is a profiled steel plate, the profiled steel plate has spaced convex ribs and concave ribs, and the connecting assembly 100 is connected to the convex ribs. After the concrete is solidified on the contour plate, on the floor bearing plate after the floor bearing plate body 200 is removed, the position of the connecting piece 10 is an upward concave structure, and the concave structure can be filled with sealing filling mud, so that the bottom of the locking assembly is covered by the sealing filling mud, and the locking assembly is prevented from being exposed.

For example, with continued reference to fig. 3, the floor deck panel 200 is formed by pressing a sheet of profiled steel, including but not limited to galvanized sheet, cold rolled sheet, etc. Two adjacent profiled sheet accessible are located a plurality of fin and the mutual gomphosis overlap joint of a plurality of concave ribs of edge, and the fin and the concave rib that mutually gomphosis is in the same place can make two profiled sheet overlap joints reliable, and can effectively avoid leaking the thick liquid. The plurality of floor deck plates 200 are overlapped to form an integral structure, thereby improving continuous supporting force. The metal connecting piece is connected with profiled steel sheet, and metal connecting piece adopts welding mode to be connected with steel bar truss, therefore profiled steel sheet can participate in the atress at the construction stage, reduces the deformation of building carrier plate at the construction stage, improves the roughness effect of building carrier plate bottom. The part of the floor deck, which is sunken upwards, can be filled with elastic bonding mortar or wall mud materials or plugging materials with similar performance.

In order to further improve the rigidity of the profiled steel sheet, the profiled steel sheet is also provided with transverse ribbing so as to enhance the rigidity of the profiled steel sheet, reduce the deformation and improve the flatness effect of the floor support plate.

When adopting floor bearing plate body 200 to be profiled sheet, profiled sheet is as removable die block, and disposable can satisfy relevant technical specification requirement, still has the residual value about raw and other materials cost 40% after the profiled sheet is demolishd, for the removable die block of bamboo offset plate or the removable die block of aluminum alloy, profiled sheet has market competition economically. And the profiled steel sheet does not need to return to a factory to do a large amount of work such as cleaning, detection and secondary processing, so that the investment of production personnel is greatly reduced, the production procedures are reduced, the production efficiency is accelerated, and the production cost is reduced. Simultaneously, adopt profiled steel sheet as the die block, there is not horizontal overlap joint in the die block, profiled steel sheet arranges for leading to long, and steel bar truss 300 adopts welding mode to be connected with coupling assembling 100, therefore profiled steel sheet can participate in the atress at the construction stage, compares other types of removable truss plates and has better rigidity at the construction stage, has stronger ability of resisting construction load deformation, can improve the roughness effect of floor support plate bottom greatly.

Referring to fig. 9 and 10 in conjunction with fig. 5, in order to enhance the connection stability between the locking assembly and the concrete, in the embodiment of the present invention, it is realized that the diameter of the positioning washer 30 is gradually reduced from the end facing the second surface to the end away from the second surface. The positioning gasket 30 is in a circular truncated cone structure with a wide top and a narrow bottom, after concrete is poured, the positioning gasket 30 can be wrapped by the concrete along the positioning side wall, and based on the structure of the positioning gasket 30, the positioning gasket 30 can be firmly wrapped by the concrete, and the locking assembly is more stably connected with the concrete. Simultaneously, because the shape of locating spacer 30 is wide from top to bottom narrow, when using, locating spacer 30 passes through narrow end and the butt of floor deck plate body 200 to can effectively reduce the area of contact between locating spacer 30 and the floor deck plate body 200, when concreting, reduce the exposure part of locating spacer 30. After the concrete is set, the floor deck plate 200 is removed, and only the narrow end of the positioning spacer 30 is exposed to the outside, thereby reducing the influence on the appearance of the floor deck plate.

Further, in order to enhance the connection stability between the locking assembly and the concrete, a connection protrusion is disposed on the outer wall of the positioning pad 30. The connecting projections extend in the radial direction of the positioning washer 30, and when concrete is poured, the connecting projections can be coated by the concrete, so that the connection stability between the locking assembly and the concrete is further improved. Alternatively, the outer wall of the positioning pad 30 is provided with a convex-concave structure. When concrete is poured, the concrete can penetrate into the convex-concave structure, so that the area of the positioning gasket 30 coated by the concrete is increased, and the connection stability between the locking assembly and the concrete is further improved.

In the embodiment of the present invention, referring to fig. 10, the positioning pad 30 and the fastening column 20 are connected by interference fit or threaded connection. The snap post 20 includes, but is not limited to, a cylindrical and polygonal structure, the positioning pad 30 is an annular structure, and the shape of the inner ring matches with the circumferential shape of the snap post 20. The radial dimension of the clamping column 20 can be slightly larger than that of the inner ring of the positioning gasket 30, and the positioning column can be extruded into the inner ring of the positioning gasket 30, so that interference fit connection is realized. Or, the outer wall of the clamping column 20 is provided with an external thread, and the inner ring of the positioning gasket 30 is provided with an internal thread used in a matching way, so that the positioning gasket 30 and the clamping column 20 can be in threaded connection. Of course, the interference fit connection and the screw connection can be used in combination, so that the connection between the positioning washer 30 and the clamping column 20 is more stable.

In the embodiment of the present invention, the implementation manner of the joint block 21 includes multiple types, see fig. 4, fig. 6 to fig. 8, and one implementation manner is that the joint block 21 is multiple, and the plurality of joint blocks 21 are arranged along the circumferential interval of the joint column 20. The joint piece 21 extends along the radial direction of joint post 20, has increased the radial dimension of joint post 20 through joint piece 21 to when joint post 20 penetrates mounting hole 11, can be spacing in first face, and cooperation positioning pad 30 is with the centre gripping of joint post 20 on connecting piece 10.

Another way to realize the clamping block 21 is that the clamping block 21 is a ring-shaped structure, and is circumferentially disposed on the clamping column 20 along the circumferential direction of the clamping column 20. Annular joint piece 21 has increased the radial dimension of joint post 20 to when joint post 20 penetrated mounting hole 11, can be spacing on first face, and cooperation locating washer 30 is with the centre gripping of joint post 20 on connecting piece 10.

In another way of realizing the clamping block 21, the clamping block 21 is a circular structure and is disposed on the end surface of the clamping column 20 far away from the first surface. By the arrangement mode, the clamping blocks 21 and the clamping columns 20 form a structure similar to a nail, and the clamping columns 20 are clamped on the connecting piece 10 through the clamping blocks 21 matched with the positioning gaskets 30.

Further, referring to fig. 4 and 7, an avoiding inclined surface 23 is disposed at an end of the clamping block 21 away from the clamping column 20. By avoiding the inclined surface 23, the concrete can be easily coated on the clamping column 20 and the clamping block 21, so that the connection between the clamping column 20 and the concrete is more stable.

Further, in the embodiment of the present invention, in order to facilitate the setting modes of multiple differences, the mounting holes 11 are multiple, and the mounting holes 11 are arranged along the length direction of the connecting member 10 at intervals. At least a part of the mounting holes 11 are provided with locking components. Through setting up a plurality of mounting holes 11, can set up the lock solid subassembly in the position of difference according to the demand, for example, when required joint strength is higher, can set up the lock solid subassembly more on connecting piece 10, when required joint strength is lower, can set up the lock solid subassembly less on connecting piece 10, the mode of setting is nimble various, can satisfy different operating mode demands.

Further, when the lock assembly is not connected to a part of the mounting holes 11, the mounting holes 11 which are not provided with the lock assembly can be used as slurry leakage holes, the connecting assembly 100 is used in the process of pouring concrete, the concrete can enter the bottom of the connecting piece 10 through the slurry leakage holes (namely the mounting holes 11) in the connecting piece 10, after the concrete is solidified, the concrete on the upper side and the lower side of the connecting piece 10 form a whole through the slurry leakage holes, the connection strength between the concrete and the connecting piece 10 is improved, the generation of air bubbles in the concrete can be effectively reduced, and the pouring effect is improved.

Referring to fig. 4, in the embodiment of the present invention, the connecting member 10 may be implemented in a manner that the connecting member 10 includes a bottom plate 12 and two side plates 13 connected to two opposite sides of the bottom plate 12, and the bottom plate 12 and the two side plates 13 form a U-shaped groove structure. The one side that bottom plate 12 is located U type groove structure is first face, and mounting hole 11 sets up on bottom plate 12. The connecting member 10 may be connected to the steel bar truss 300 through an end of the side plate 13 away from the bottom plate 12, for example, the connecting member 10 may be made of a metal material, and the connecting member 10 may be welded to the steel bar truss 300 through an end of the side plate 13 away from the bottom plate 12. The two side plates 13 can support the steel bar truss 300 at multiple points, so that the position of the steel bar truss 300 is prevented from shifting, and the connection stability of the steel bar truss 300 is improved.

Further, the included angle between the bottom plate 12 and the side plate 13 may be an acute angle, a right angle, or an obtuse angle. Taking the right side plate 13 in fig. 9 as an example, the angle between the bottom plate 12 and the side plate 13 may be 45 degrees, 90 degrees, 100 degrees, etc. in the clockwise direction from the bottom plate 12 to the side plate 13. Of course, according to the demand of difference, the contained angle between bottom plate 12 and the curb plate 13 also can set up to other numbers of degrees, the embodiment of the utility model provides an in, do not specifically prescribe a limit to the contained angle scope between bottom plate 12 and the curb plate 13, arbitrary angle all can satisfy the demand.

Through setting up the contained angle between bottom plate 12 and the curb plate 13, can improve the stability of being connected between curb plate 13 and the steel bar truss 300, if can set up the angle of the contained angle between bottom plate 12 and the curb plate 13 to be a bit more than 90 degrees, the distance of contact point can the grow between two curb plates 13 and the steel bar truss 300 like this to make two curb plates 13 support steel bar truss 300 more stable.

Further, for the support intensity who improves curb plate 13, in the embodiment of the utility model provides an, the one end that bottom plate 12 was kept away from to two curb plates 13 all is equipped with hem 14. The folded edge 14 can be bent towards the outside of the groove of the U-shaped groove structure and can also be bent towards the inside of the groove of the U-shaped groove structure. The support strength of the side plate 13 can be improved by the folded edge 14, and the side plate 13 is prevented from being deformed by the gravity of the steel bar truss 300. Meanwhile, when the connecting member 10 is connected to the steel bar truss 300, the folded edge 14 may further increase a contact area between the connecting member 10 and the steel bar truss 300, so as to improve connection strength and stability.

The degree of buckling of hem 14 can be adjusted correspondingly according to the demand of difference, the embodiment of the utility model provides an in, contained angle between curb plate 13 and the hem 14 can be acute angle, right angle or obtuse angle. For example, the angle between the flap 14 and the side panel 13 may be 30 degrees, 45 degrees, 60 degrees, 90 degrees, 135 degrees, etc. Of course, according to the demand of difference, the contained angle between curb plate 13 and the hem 14 also can set up to other numbers of degrees, the embodiment of the utility model provides an in, do not specifically prescribe a limit to the contained angle scope between curb plate 13 and the hem 14, arbitrary angle all can satisfy the demand.

Further, in order to improve the strength of the folded edge 14, in the embodiment of the present invention, the connection between the side plate 13 and the folded edge 14 is a smooth arc structure. When the folded edge 14 is bent relative to the side plate 13, the folded edge can be smoothly bent, so that the length of the connecting position between the folded edge 14 and the steel bar truss 300 can be increased, the connecting area between the folded edge 14 and the steel bar truss 300 can be increased, the folded edge 14 can be prevented from being penetrated when welding operation is performed, and the connecting stability of welding spots can be improved.

The following describes how the connection assembly 100 provided by the embodiments of the present invention is used.

In the embodiment of the present invention, the using process of the connecting assembly 100 includes, but is not limited to, the following steps:

step S101: firstly, mounting a plurality of mounting and locking components on a connecting piece 10 to form a connecting component 100;

step S102: then, a plurality of connecting assemblies 100 are arranged on the lower chord steel bars 302 of the steel bar trusses 300 to form steel bar truss assemblies, and if the steel bar truss assemblies are welded, the lower chord steel bars 302 of the steel bar trusses 300 are welded and fixed on the connecting pieces 10, so that the steel bar trusses 300 and the connecting pieces 10 are prevented from sliding;

step S103: the connection between the connection assembly 100 and the floor deck plate 200 is accomplished by fasteners, including but not limited to screws, which pass through the floor deck plate 200 and extend into the connection holes 22 of the clamping posts 20 to connect the connection assembly 100 to the floor deck plate 200;

step S104: repeating the steps S101 to S103 to finish the manufacture of the steel bar truss floor bearing plate;

after making detachable steel bar truss building carrier plate, the mode of using detachable steel bar truss building carrier plate is as follows:

step S201: installing a plurality of steel bar truss floor bearing plates at preset positions, and pouring concrete on the floor bearing plate body 200 to enable the concrete to wrap the steel bar trusses 300 and the connecting assemblies 100;

step S202: after the concrete is solidified, a floor support plate is formed, the fastening piece for fixing is detached from the bottom of the floor support plate body 200, and the fastening piece is wrapped on the connecting assembly 100 through the clamping column 20 and is not contacted with the concrete, so that the fastening piece is very convenient to detach;

step S203: the floor deck plate 200 is removed from the floor deck with the bottom of the floor deck only exposed as the bottom of the locking assembly.

The embodiment of the utility model provides an in, coupling assembling 100 can connect in advance on steel bar truss 300, make things convenient for the construction of steel bar truss subassembly, and, be equipped with a plurality of coupling assembling 100 on every lower chord reinforcing bar 302 respectively alone, make the space between two lower chord reinforcing bars 302 not blockked like this, a plurality of steel bar truss subassemblies are when depositing, in the space of two lower chord reinforcing bars 302 that steel bar truss subassembly's last chord reinforcing bar 301 can stretch into another steel bar truss subassembly, realize range upon range of depositing, shared space has been reduced. Correspondingly, in the transportation process, the occupied space of the carriage can be reduced, and the steel bar truss assembly is convenient to store and transport.

Meanwhile, the connecting assembly 100 can be used for connecting the steel bar truss 300 to the floor support plate body 200, the connecting assembly 100 can be connected with the floor support plate body 200 through fasteners, the height of the connecting piece 10 can be increased through the locking assembly, the concrete can enter the bottom of the connecting piece 10 more easily, the connecting assembly 100 can be wrapped by the concrete more easily, and the connecting strength is improved. Simultaneously, live the fastener parcel through the lock solid subassembly, prevent that the fastener is wrapped up in to the concrete, reduce the dismantlement degree of difficulty of fastener, improve and dismantle efficiency. In addition, the steel bar truss 300 and the metal connecting piece 10 can be connected in a welding mode, and the rigidity of the floor deck applying the connecting assembly 100 in the construction stage is increased, so that the deformation of the floor deck plate body 200 in the construction stage is reduced, and the floor deck has a better effect of plate bottom flatness.

Example 2

On embodiment 1's basis, refer to fig. 1 to 3, correspondingly, the embodiment of the utility model provides a steel bar truss building carrier plate is still provided, include: a deck plate 200 and a plurality of steel truss assemblies. Wherein, the steel bar truss assembly can be realized by the steel bar truss assembly described in the embodiment 1.

Specifically, referring to fig. 1 to 3, the steel bar truss assembly includes a steel bar truss 300 and a connection assembly 100. The steel bar truss 300 comprises an upper chord steel bar 301, two lower chord steel bars 302 positioned at two sides below the upper chord steel bar 301, and web member steel bars 303 of which two ends are fixedly connected with the upper chord steel bar 301 and the lower chord steel bars 302 respectively. Along the axial direction of the lower chord steel bars 302, a plurality of connecting assemblies 100 are arranged at intervals on each lower chord steel bar 302. Wherein, with reference to fig. 4 to 6 in conjunction with fig. 1 to 3, the connection assembly 100 includes: a connector 10 and a locking assembly. The connecting member 10 has a first surface and a second surface opposite to each other, and has a mounting hole 11 penetrating through the first surface and the second surface. The connector 10 is connected with the lower chord reinforcing steel bar 302.

In the embodiment of the present invention, the connecting assembly 100 is arranged in such a way that the length direction of the connecting member 10 is the same as the width direction of the floor plate body 200, and the width direction of the connecting member 10 is the same as the length direction of the floor plate body 200.

In the embodiment of the present invention, the position of the connecting component 100 can be set according to different requirements. For example, the connectors 10 on different lower chord steel bars 302 may be arranged corresponding to each other or staggered. The connecting pieces 10 on different lower chord steel bars 302, and a part of the connecting pieces 10 can be correspondingly arranged, and in the arrangement mode, the positions of the connecting pieces 10 are relatively fixed, so that standardized construction is facilitated, and the construction efficiency can be improved. The connectors 10 on the lower chord steel bars 302 can be staggered with each other. Under this kind of mode of setting, along the width direction of floor support plate body 200, the quantity that is located the connecting piece 10 on same straight line has been reduced to the quantity that is located the fastener on same straight line has been reduced, thereby has reduced because of setting up more fastener on same straight line, and the cracked probability of floor support plate body 200 along width direction has improved the security.

Furthermore, at least a part of the connectors 10 on the lower chord steel bar 302 are correspondingly arranged, and at least a part of the connectors 10 are staggered. The corresponding position setting and the staggered position setting can be used in a hybrid mode, and therefore different setting requirements are met.

It should be noted that the technical features in embodiment 2 and the technical features in embodiment 1 may be mutually referred to, and are not described again.

The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the embodiments of the present invention, and not to limit the same; although the embodiments of the present invention have been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. A rebar truss assembly, comprising:

the connecting assembly includes: a connecting piece and a locking component;

2. The steel bar truss assembly as claimed in claim 1, wherein the connecting member is made of metal material, and the steel bar truss and the connecting member are welded and fixed.

3. A rebar truss assembly as claimed in claim 1 wherein the spacer tapers in diameter from an end toward the second face to an end away from the second face.

4. The steel bar truss assembly as claimed in claim 1, wherein the outer wall of the spacer is provided with a coupling projection; or

5. The steel bar truss assembly as claimed in claim 1, wherein the positioning spacer is connected with the clamping column by interference fit or screw thread.

6. The steel bar truss assembly as claimed in any one of claims 1 to 5, wherein the clamping blocks are a plurality of clamping blocks, and the plurality of clamping blocks are arranged at intervals along the circumferential direction of the clamping column; or

7. The steel bar truss assembly as claimed in claim 6, wherein an end of the clamping block remote from the clamping post is provided with an avoiding inclined surface.

8. The rebar truss assembly of claim 6, wherein the clamp blocks are of integrally formed construction with the clamp posts.

9. A steel bar truss assembly as claimed in any one of claims 1 to 5 wherein the connecting member includes a base plate and two side plates connected to opposite sides of the base plate, the base plate and the two side plates forming a U-shaped channel structure;

10. The rebar truss assembly of claim 9 wherein the included angle between the bottom plate and the side plates can be an acute angle, a right angle, or an obtuse angle.

11. A steel bar truss assembly as characterised in claim 9 wherein the ends of the side plates remote from the base plate are each provided with a hem.

12. A steel bar truss assembly as claimed in claim 11 wherein the angle between the side plates and the flanges may be acute, right or obtuse.

13. A steel bar truss floor deck, comprising:

a floor deck plate body;

the connecting assembly includes: a connecting piece and a locking component;