CN112324038A - Assembled steel bar truss building carrier plate - Google Patents
Assembled steel bar truss building carrier plate Download PDFInfo
- Publication number
- CN112324038A CN112324038A CN202011337721.3A CN202011337721A CN112324038A CN 112324038 A CN112324038 A CN 112324038A CN 202011337721 A CN202011337721 A CN 202011337721A CN 112324038 A CN112324038 A CN 112324038A
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- bar truss
- steel bar
- connecting piece
- assembly
- type steel
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/17—Floor structures partly formed in situ
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
- E04C5/06—Reinforcing elements of metal, e.g. with non-structural coatings of high bending resistance, i.e. of essentially three-dimensional extent, e.g. lattice girders
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention belongs to the technical field of building construction floor bearing plates, and discloses an assembly type steel bar truss floor bearing plate which comprises a bottom template and a steel bar truss, wherein a connecting assembly is detachably arranged on the bottom template, and the steel bar truss is welded on the connecting assembly. Compared with the prior art, the connecting assembly is arranged on the bottom template, the problems that the steel bar truss is easy to weld through and the like in the direct welding of the steel bar truss and the bottom template are solved by the welding mode of the steel bar truss and the connecting assembly, the bond stress of the bottom template to concrete is improved, and the integral strength of the floor support plate is improved.
Description
Technical Field
The invention relates to the technical field of building construction floor bearing plates, in particular to an assembly type steel bar truss floor bearing plate.
Background
The steel bar truss floor bearing plate is a building product which welds stressed steel bars in a floor slab into a steel bar truss and fixedly connects the steel bar truss with a bottom die to form the integration of the bottom die and the stressed steel bars. During construction, the steel bar truss floor bearing plate is fixed between the two bearing beams and is directly poured by concrete, the bottom die bears the gravity of the concrete, and the steel bar truss provides unsupported rigidity for the bottom die. Compare with the traditional building carrier plate that supports the concrete through bottom formwork, the construction progress has been accelerated to steel bar truss building carrier plate formula, has strengthened the supporting effect.
The welded steel bar truss floor bearing plate commonly used in the prior art is characterized in that a steel bar truss is directly welded on a 0.5 galvanized bottom template, and the template is thin, so that welding current is large, the bottom template is easily welded through, and slurry (concrete) leaks when rust or pouring is caused in the later period. The detachable steel bar truss floor carrier plate of design is designed to the mode of improvement, and the manual work field equipment during the construction is assembled second connecting piece and die block earlier, assembles second connecting piece and steel bar truss again, and twice is assembled respectively not only wastes time and energy, and is inefficient moreover.
Disclosure of Invention
The invention aims to provide an assembly type steel bar truss floor bearing plate to solve the problem of low assembly efficiency of a detachable steel bar truss floor bearing plate.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an assembled steel bar truss building carrier plate, includes die block board and steel bar truss, detachably set up coupling assembling on the die block board, the steel bar truss welds and is in on the coupling assembling.
Optionally, the connection assembly comprises:
a plurality of cross beams are arranged on the bottom formwork at intervals along the long axis direction of each steel bar truss, and the steel bar trusses are welded on the cross beams;
the first connecting pieces are arranged in a plurality, and two ends of each cross beam are respectively provided with one first connecting piece; the first connecting piece is provided with a positioning groove;
the second connecting piece, the second connecting piece is equipped with a plurality ofly, every the second connecting piece includes head and pole portion, the head diameter is greater than pole portion diameter, pole portion can wear to establish in proper order through-hole on the die block board with first connecting piece in the constant head tank in order to incite somebody to action the crossbeam is fixed in on the die block board.
Optionally, the first connecting piece and the cross beam are integrally formed.
Optionally, the positioning groove of the first connecting piece is provided with an internal threaded hole, the rod part of the second connecting piece is provided with an external thread, and the first connecting piece is in threaded connection with the second connecting piece.
Optionally, first connecting piece have first card protruding in the constant head tank, the second connecting piece the periphery wall of pole portion has the second card protruding, one in first card protruding and the second card protruding is the elastic component, first connecting piece with joint between the second connecting piece.
Optionally, the first clamping protrusion is an annular protrusion structure around the inner side wall of the positioning groove of the first connecting piece, and the second clamping protrusion is an annular protrusion structure around the outer side wall of the second connecting piece.
Optionally, a pressing sleeve is arranged outside the second clamping protrusion, and the pressing sleeve is sleeved on the second connecting piece and can compress the second clamping protrusion inwards towards the central position of the second connecting piece.
Optionally, a wrench is arranged on the second connecting member, the wrench includes a holding end and a connecting end, the connecting end is rotatably connected to the end of the second connecting member, one end of the pressing sheet sleeve is connected to the wrench, and the connecting position is located between the holding end and the connecting end.
Optionally, the outer peripheral wall of the cross beam is provided with a plurality of crescent ribs arranged at intervals.
Optionally, the cross section of the cross beam is a rectangular, triangular or circular hollow structure.
The invention has the beneficial effects that:
according to the assembly type steel bar truss floor bearing plate, the connecting assembly is arranged on the bottom template, the problems that the steel bar truss is easy to weld through and the like due to the fact that the steel bar truss is directly welded with the bottom template are solved through the mode that the steel bar truss is welded with the connecting assembly, the bond strength of the bottom template to concrete is improved, and therefore the overall strength of the floor bearing plate is improved.
Drawings
FIG. 1 is a first structural schematic diagram of an assembled steel bar truss floor deck according to the present invention;
FIG. 2 is a front view of the cross-beam and first connector of FIG. 1;
FIG. 3 is a top view of the cross-beam and first connector of FIG. 1;
FIG. 4 is a schematic view of the second connector of FIG. 1;
FIG. 5 is a second structural schematic view of an assembled steel bar truss floor deck according to the present invention;
FIG. 6 is a front view of the cross-beam and first connector of FIG. 5;
FIG. 7 is a top view of the cross-beam and first connector of FIG. 5;
fig. 8 is a structural view of the second connector of fig. 5.
In the figure:
1. a bottom template; 2. a steel bar truss; 3. a connecting assembly; 31. a cross beam; 311. a crescent rib; 32. a first connecting member; 321. a first snap projection; 33. a second connecting member; 331. a head portion; 332. a rod portion; 333. a second snap projection; 34. pressing the sheet sleeve; 35. a wrench; 351. a holding end; 352. and a connecting end.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
The structure of a welded steel bar truss floor deck according to the present invention will be described in detail with reference to fig. 1 to 8.
As shown in fig. 1 and 5, the embodiment of the invention provides a welded steel bar truss floor deck, which comprises a bottom formwork 1 and a steel bar truss 2, wherein a connecting assembly 3 is detachably arranged on the bottom formwork 1, and the steel bar truss 2 is welded on the connecting assembly 3.
Present to detachable steel bar truss building carrier plate among the prior art, this embodiment sets up coupling assembling 3 on die block board 1, through steel bar truss 2 and 3 welded modes of coupling assembling, has avoided the easy welding that 2 directness of steel bar truss and 1 welding of die block board exist to wear the scheduling problem, has improved the bond stress of die block board 1 to the concrete to the realization is to building carrier plate bulk strength's improvement. Moreover, steel bar truss 2 welds in advance on coupling assembling 3, when site operation, with coupling assembling 3 with die block board 1 be connected can, both conveniently transport and can carry out fast assembly at the job site, when having improved the packaging efficiency, coupling assembling 3 has also greatly increased the joint strength between steel bar truss 12 and the die block board 1, effectively prevents the problem such as deswielding or leaking the thick liquid among the concrete placement process.
As shown in fig. 2, 4, 6 and 8, the connecting assembly 3 includes a plurality of cross beams 31, a first connecting member 32 and a second connecting member 33, wherein the plurality of cross beams 31 are provided on the bottom form 1 at intervals along the long axis direction of each steel bar truss 2, and the steel bar trusses 2 are welded to the cross beams 31; a plurality of first connecting pieces 32 are arranged, two ends of each beam 31 are respectively provided with one first connecting piece 32, and each first connecting piece 32 is provided with a positioning groove; the number of the second connecting pieces 33 is multiple, each second connecting piece 33 comprises a head portion 331 and a rod portion 332, the diameter of the head portion 331 is larger than that of the rod portion 332, and the rod portions 332 can sequentially penetrate through the through holes in the bottom formwork 1 and the positioning grooves of the first connecting pieces 32 to fix the cross beam 31 on the bottom formwork 1.
In the embodiment, a plurality of cross beams 31 are arranged along the long axis direction of each steel bar truss 2, the cross beams are distributed on the bottom formwork 1 in a plurality of rows and columns, two steel bars on the same cross section of each steel bar truss 2 are fixedly welded on each cross beam 31, it can be understood that the length of each cross beam 31 is larger than the bottom distance between the two steel bars on the same cross section, and the first connecting pieces 32 and the second connecting pieces 33 on the cross beams 31 are connected with the bottom formwork 1 on two sides of the steel bar truss 2. And pre-drilling through holes on the bottom template 1 according to the layout of the steel bar truss 2, wherein the inner diameter of each through hole is not less than that of the first connecting piece 32. The first connecting member 32 is a cylindrical member, and the top of the cylindrical member may be sealed or closed. In this embodiment, the lateral wall of first connecting piece 32 and the end connection of crossbeam 31, the top of first connecting piece 32 flushes with crossbeam 31, first connecting piece 32 highly is higher than the external diameter of crossbeam 31, when first connecting piece 32 is connected with die block board 1, be equipped with the clearance between crossbeam 31 and the die block board 1, crossbeam 31 locates the below of steel bar truss 2 middle and lower chord reinforcing bar, the web member reinforcing bar welds with crossbeam 31, increase steel bar truss 2's bearing capacity and intensity, simultaneously, because there is not direct welding point between steel bar truss 2 and the die block board 1, the technical problem of sheet welding existence has been avoided, construction convenience, high efficiency. When the rod 332 of the second connecting member 33 is fixed by passing through the first connecting member 32, the end surface of the head 331 is stopped against the bottom form 1, so as to realize fixed connection.
Alternatively, the first connecting member 32 is integrally formed with the cross member 31. The distance between the first connecting pieces 32 on each cross beam 31 and the through holes on the bottom template 1 are designed and calculated in advance, so that the connecting position is high in precision and convenient to disassemble and assemble. First connecting piece 32 and crossbeam 31 adopt integrated into one piece prefab, and bulk strength is big, does benefit to and saves the equipment time, improves the efficiency of construction.
In one embodiment, the positioning groove of the first connecting member 32 has an internally threaded hole, the rod portion 332 of the second connecting member 33 has an external thread, and the first connecting member 32 and the second connecting member 33 are connected by a screw thread. As shown in fig. 3 and 4, the second connecting member 33 may be a bolt member, a screw member, or the like, and is screwed with the first connecting member 32 after being threaded through the through hole of the bottom form 1. The through hole 1 can be a threaded hole matched with the second connecting piece 33, and can also be a through hole with a smooth inner wall, the diameter of the through hole is between the diameter of the head 331 and the diameter of the rod 332 of the second connecting piece 33, the limiting effect is achieved, and the bottom template 1 is clamped and fixed after the first connecting piece 32 is connected with the second connecting piece 33.
In another embodiment, the inner sidewall of the positioning groove of the first connector 32 has a first locking protrusion 321, the outer sidewall of the rod portion 332 of the second connector 33 has a second locking protrusion 333, one of the first locking protrusion 321 and the second locking protrusion 333 is an elastic member, and the first connector 32 is locked with the second connector 33. As shown in fig. 7 and 8, the second locking protrusion 333 on the rod portion 332 is an elastic member, and the second locking protrusion 333 can be compressed toward the center of the rod portion 332 so as to be locked on the first locking protrusion 321 to realize locking. The adoption of the elastic piece not only accelerates the installation, but also facilitates the disassembly, because the disassembly and assembly efficiency can be improved.
Alternatively, the first catching protrusion 321 is an annular protrusion structure around an inner sidewall of the positioning groove of the first connector 32, and the second catching protrusion 333 is an annular protrusion structure around an outer sidewall of the second connector 33. The annular bulge structure is beneficial to installation, and positioning and alignment are not needed during installation, so that the installation is convenient and fast. After the second locking protrusion 333 is locked and positioned with the first locking protrusion 321, the side surface of the head 331 of the second connector 33 facing the rod 332 is just abutted against the bottom template 1, so that locking and positioning are realized. The first clamping projection 321 is as close as possible to the opening of the first connecting piece 32 facing the bottom template 1, and the first clamping projection 321 and the second clamping projection 333 are both arc-shaped bosses, so that clamping and positioning can be performed quickly, and the dismounting efficiency can be improved.
Optionally, a pressing sleeve 34 is disposed outside the second locking protrusion 333, and the pressing sleeve 34 is sleeved on the second connector 33 and can compress the second locking protrusion 333 inward toward the center of the second connector 33. Specifically, the tablet sleeve 34 is sleeved on the rod portion 332, the tablet sleeve 34 is a thin cylindrical sleeve, an annular protrusion is also arranged at a position corresponding to the second locking protrusion 333, and when the tablet sleeve 34 is compressed toward the center of the rod portion 332, the second locking protrusion 333 is also compressed to deform so as to be locked on the first locking protrusion 321. The press sheet sleeve 34 is made of elastic metal sheet for facilitating compression deformation.
Optionally, a wrench 35 is disposed on the second connecting member 33, the wrench 35 includes a gripping end 351 and a connecting end 352, the connecting end 352 is rotatably connected to the end of the second connecting member 33, and one end of the tablet housing 34 is connected to the wrench 35 at a connecting position between the gripping end 351 and the connecting end 352. As shown in fig. 8, the connecting end 352 may directly abut against a side surface of the head 331, or may be rotatably connected, for example, in a pin connection manner, when the holding end 351 is lifted toward a side away from the rod portion 332, the connecting end 352 rotates, and further may drive the pressure plate sleeve 34 to stretch and compress the second locking protrusion 333 toward the center of the rod portion 332, so as to facilitate smooth locking or unlocking of the second locking protrusion 333 with the first locking protrusion 321. It is understood that, in order to facilitate the connection of one end of the pressing sheet sleeve 34 to the wrench 35, the open end of the pressing sheet sleeve 34 extends from one side of the head 331 to the other side, and extends from the side of the head 331, or an annular opening may be provided at the head 331 for the extension of the pressing sheet sleeve 34, which may be selected according to the actual process and is not specifically described herein.
Alternatively, the peripheral wall of the cross member 31 is provided with a plurality of crescent ribs 311 disposed at intervals. As shown in fig. 2 and 3, as well as fig. 6 and 7, the crescent rib 311 is a reinforcing structure protruding from the outer peripheral wall of the cross beam 31, and the crescent ribs 331 are bent toward the same side and spaced apart from each other in the longitudinal direction of the cross beam 31, so that at least one row of crescent ribs 331 can be disposed in the outer axial ratio of the longitudinal direction. Specifically, the crescent rib 321 can be formed by welding a bent steel bar on the cross beam 31, and the crescent rib 321 can increase the strength of the cross beam 31 and can also improve the bond strength between the cross beam 31 and concrete during concrete pouring.
Alternatively, the cross-section of the cross beam 31 is a hollow structure with a rectangular, triangular or circular shape. Hollow structure is favorable to reducing the total weight of steel bar truss floor board, does benefit to and transports and dismouting.
In conclusion, according to the assembly type steel bar truss floor support plate provided by the invention, the through holes are drilled in the bottom template 1 in advance, and the detachable connecting assembly 3 is arranged, so that the bottom template 1 is connected with the connecting assembly 3 in a quick and detachable manner, the connecting assembly 3 is welded with the steel bar truss 2, the steel bar truss 2 is prevented from being directly welded with the bottom template 1, the integral strength of the floor support plate is increased, the connecting assembly 3 is in threaded connection or clamped connection with the bottom template 1, the assembly and disassembly are convenient, and the assembly and disassembly efficiency of the assembly type steel bar truss floor support plate is improved.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, adaptations and substitutions will occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The utility model provides an assembled steel bar truss building carrier plate, includes die block board and steel bar truss, its characterized in that, set up coupling assembling on the die block board detachablely, the steel bar truss welds on the coupling assembling.
2. The assembly-type steel-bar truss floor deck of claim 1, wherein the connecting assembly comprises:
a plurality of cross beams are arranged on the bottom formwork at intervals along the long axis direction of each steel bar truss, and the steel bar trusses are welded on the cross beams;
the first connecting pieces are arranged in a plurality, and two ends of each cross beam are respectively provided with one first connecting piece; the first connecting piece is provided with a positioning groove;
the second connecting piece, the second connecting piece is equipped with a plurality ofly, every the second connecting piece includes head and pole portion, the head diameter is greater than pole portion diameter, pole portion can wear to establish in proper order through-hole on the die block board with first connecting piece in the constant head tank in order to incite somebody to action the crossbeam is fixed in on the die block board.
3. The assembly-type steel-bar truss floor deck as defined in claim 2, wherein said first connecting member is integrally formed with said cross member.
4. The assembly-type steel bar truss floor deck according to claim 2, wherein the positioning groove of the first connecting member has an internal thread, the rod portion of the second connecting member has an external thread, and the first connecting member and the second connecting member are in threaded connection.
5. The assembly type steel bar truss floor support plate according to claim 2, wherein a first clamping protrusion is arranged in the positioning groove of the first connecting piece, a second clamping protrusion is arranged on the outer side wall of the rod part of the second connecting piece, one of the first clamping protrusion and the second clamping protrusion is an elastic piece, and the first connecting piece and the second connecting piece are clamped.
6. The assembly-type steel bar truss floor deck according to claim 5, wherein the first locking protrusion is an annular protrusion structure around the inner side wall of the positioning groove of the first connector, and the second locking protrusion is an annular protrusion structure around the outer side wall of the second connector.
7. The assembly type steel bar truss floor deck according to claim 6, wherein a pressing sheet sleeve is arranged on the outer side of the second clamping protrusion, and the pressing sheet sleeve is arranged on the second connecting piece and can compress the second clamping protrusion inwards towards the central position of the second connecting piece.
8. The assembly-type steel bar truss floor deck according to claim 7, wherein a wrench is provided on the second connecting member, the wrench comprises a holding end and a connecting end, the connecting end is rotatably connected to the end of the second connecting member, one end of the pressing sheet sleeve is connected to the wrench and the connecting position is between the holding end and the connecting end.
9. The assembly-type steel-bar truss floor deck as defined in claim 2, wherein the outer peripheral wall of said cross-member is provided with a plurality of spaced-apart crescent-shaped ribs.
10. The assembly-type steel-bar truss floor deck as claimed in claim 2, wherein the cross-section of the cross-beam is a hollow structure of rectangular, triangular or circular shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011337721.3A CN112324038A (en) | 2020-11-25 | 2020-11-25 | Assembled steel bar truss building carrier plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011337721.3A CN112324038A (en) | 2020-11-25 | 2020-11-25 | Assembled steel bar truss building carrier plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112324038A true CN112324038A (en) | 2021-02-05 |
Family
ID=74308784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011337721.3A Pending CN112324038A (en) | 2020-11-25 | 2020-11-25 | Assembled steel bar truss building carrier plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112324038A (en) |
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2020
- 2020-11-25 CN CN202011337721.3A patent/CN112324038A/en active Pending
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Address after: 311232 Building 5, 2826 Xiaoqing Avenue, hongken farm, Xiaoshan Economic and Technological Development Zone, Hangzhou City, Zhejiang Province Applicant after: Handebang building materials Co.,Ltd. Address before: 311232 Building 5, 2826 Xiaoqing Avenue, hongken farm, Xiaoshan Economic and Technological Development Zone, Hangzhou City, Zhejiang Province Applicant before: ZHEJIANG HEADERBOARD BUILDING MATERIALS Co.,Ltd. |