CN215211898U - Bending continuous-row three-dimensional steel bar truss - Google Patents
Bending continuous-row three-dimensional steel bar truss Download PDFInfo
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- CN215211898U CN215211898U CN202023318457.7U CN202023318457U CN215211898U CN 215211898 U CN215211898 U CN 215211898U CN 202023318457 U CN202023318457 U CN 202023318457U CN 215211898 U CN215211898 U CN 215211898U
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 351
- 239000010959 steel Substances 0.000 title claims abstract description 351
- 238000005452 bending Methods 0.000 title abstract description 17
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 96
- 238000003466 welding Methods 0.000 claims description 13
- 230000003014 reinforcing effect Effects 0.000 claims description 12
- 230000005484 gravity Effects 0.000 claims description 9
- 239000004568 cement Substances 0.000 claims description 6
- 239000011094 fiberboard Substances 0.000 claims description 6
- 239000002131 composite material Substances 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims 1
- 229910052782 aluminium Inorganic materials 0.000 claims 1
- 238000010079 rubber tapping Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 11
- 238000000465 moulding Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 14
- 239000000945 filler Substances 0.000 description 9
- 238000010276 construction Methods 0.000 description 4
- 238000009435 building construction Methods 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000007847 structural defect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
Bent row three-dimensional steel bar truss even, this truss includes: the steel bar comprises web member steel bars, upper chord steel bars and lower chord steel bars; the web member steel bars are distributed on the upper chord steel bars and the lower chord steel bars in parallel at intervals and are arranged in a transversely-longitudinally staggered manner with the upper chord steel bars and the lower chord steel bars; the lower chord steel bars are distributed in parallel at intervals, every two lower chord steel bars are in a group, an upper chord steel bar is arranged between every two lower chord steel bars, and web members between the two lower chord steel bars and the upper chord steel bar are bent to form a three-dimensional independent truss unit, so that the upper chord steel bar is arranged at the highest point of the independent truss unit, the lower chord steel bars are arranged at two ends of the bottom of the independent truss unit, and the web members are arranged at two sides of the independent truss unit; meanwhile, the non-bent web member steel bars are used for connecting two adjacent independent truss units which are arranged in parallel in the direction of the web member steel bars to form the continuous row three-dimensional truss. The truss is simple in structure and good in integrity, can be obtained by bending and molding welded steel bar meshes, and is convenient to process.
Description
Technical Field
The invention belongs to the field of steel bar trusses for buildings, and particularly relates to a bent row three-dimensional steel bar truss.
Background
In the building construction process, the traditional construction mode of pouring concrete on site is adopted, so that the defects of high labor demand, high building construction cost, long construction period and the like are easily caused. In recent years, a building model of prefabricated housing is gradually formed according to national policy requirements and green development requirements of buildings.
In the construction of prefabricated houses, steel bar truss composite slabs and steel bar truss floor decks have been widely used. The steel bar truss composite slab and the steel bar truss floor bearing plate are both composed of bottom concrete, a template and a plurality of rows of independent steel bar trusses arranged on the slab, and then the steel bar truss floor slab is formed by pouring concrete on the steel bar truss floor bearing plate.
The existing steel bar truss is formed by welding an upper chord steel bar 2, two lower chord steel bars 3 and a web member steel bar 4 connected between the upper chord steel bar and the lower chord steel bar, the end surface of the existing steel bar truss is in an independent triangular shape (see figure 1), the web member steel bar is bent by bending equipment during manufacturing, and then the web member steel bar is welded with the upper chord steel bar and the lower chord steel bar, although synchronous operation can be achieved in the processing and welding process, single truss and single frame stepping processing is needed, a large amount of time is spent, time and labor are wasted, and the production efficiency is low. Moreover, due to the structural defects of the existing truss processing equipment, the diameter of the inlet wire of the lower chord steel bar is limited, and the maximum diameter is 12 mm; meanwhile, the bending height of the web member steel bars is limited, so that the height of the steel bar truss can only be within a specified range and cannot be adjusted randomly. In addition, when adopting above-mentioned steel bar truss preparation steel bar truss building carrier plate, need pass through modes such as bolt or other connecting pieces with the independent steel bar truss of one row after the welding and fix on the template, lead to steel bar truss building carrier plate production efficiency low, the wholeness is poor, greatly reduced machining efficiency.
Disclosure of Invention
The invention aims to provide a bent continuous-row three-dimensional steel bar truss, which solves the technical problems that the diameter of a lower chord steel bar is limited, the height of the truss is not adjustable when the traditional steel bar truss for a building is manufactured, a plurality of independent steel bar trusses are required to be installed one by one in a row in the using process, the installation process is complicated, the production efficiency is low, and the integrity is poor.
In order to achieve the purpose, the invention adopts the following technical scheme:
a bent row three-dimensional steel bar truss comprises: a plurality of web member reinforcing steel bars, and upper chord reinforcing steel bars and lower chord reinforcing steel bars which are vertically arranged on the plurality of web member reinforcing steel bars; the steel bar net is characterized in that a plurality of web member steel bars are distributed on the upper chord steel bar and the lower chord steel bar at intervals and are arranged in a staggered mode with the upper chord steel bar and the lower chord steel bar, and a plane steel bar net piece is manufactured by welding staggered points;
the lower chord steel bars are distributed in parallel at intervals, every two lower chord steel bars are in a group, the upper chord steel bar is arranged between every two lower chord steel bars, web members between the two lower chord steel bars and the upper chord steel bar are bent to form a three-dimensional independent truss unit, the upper chord steel bar is arranged at the highest point of the independent truss unit and used for supporting, the lower chord steel bars are arranged at two ends of the bottom of the independent truss unit and used for bearing the gravity borne by the whole truss, and the web members are arranged at two sides of the independent truss unit and used for connecting the upper chord steel bar with the lower chord steel bar; meanwhile, the unflexed web member steel bars are used for connecting two adjacent independent truss units arranged in parallel in the direction of the web member steel bars to form a flexed continuous-row three-dimensional truss.
A bent row three-dimensional steel bar truss comprises: a plurality of web member reinforcing steel bars, steel strips arranged on the plurality of web member reinforcing steel bars and lower chord reinforcing steel bars; a plurality of web member reinforcing steel bars are distributed on the steel belt and the lower chord reinforcing steel bar at intervals, are arranged in a staggered manner with the steel belt and the lower chord reinforcing steel bar, and are welded at staggered points to prepare a planar reinforcing mesh sheet;
the lower chord steel bars are parallel and distributed at intervals, every two lower chord steel bars are in a group, a steel belt is arranged between every two lower chord steel bars, the steel belt is bent to form an upper chord steel bar, web member steel bars between the two lower chord steel bars and the upper chord steel bar are bent to form a three-dimensional independent truss unit, the upper chord steel bar is arranged at the highest point of the independent truss unit and used for supporting, the lower chord steel bars are arranged at two ends of the bottom of the independent truss unit and used for bearing the gravity borne by the whole truss, and the web member steel bars are arranged at two sides of the independent truss unit and used for connecting the upper chord steel bars with the lower chord steel bars; meanwhile, the unflexed web member steel bars are used for connecting two adjacent independent truss units arranged in parallel in the direction of the web member steel bars to form a flexed continuous-row three-dimensional truss; and the upper chord steel is provided with a steel channel which is opened upwards or downwards.
Preferably, a plurality of the web member steel bars are distributed on the upper chord steel bar and the lower chord steel bar in parallel at intervals and are arranged in a transversely-longitudinally staggered manner with the upper chord steel bar and the lower chord steel bar; or the plurality of web member reinforcing steel bars comprise first web member reinforcing steel bars and second web member reinforcing steel bars, and the first web member reinforcing steel bars are distributed on the upper chord reinforcing steel bars and the lower chord reinforcing steel bars in parallel at intervals and form a certain included angle with the upper chord reinforcing steel bars and the lower chord reinforcing steel bars; the second web member reinforcing steel bars are distributed on the upper chord reinforcing steel bars and the lower chord reinforcing steel bars in parallel at intervals and form a certain included angle with the upper chord reinforcing steel bars and the lower chord reinforcing steel bars, the first web member reinforcing steel bars and the second web member reinforcing steel bars are arranged in a crossed mode, and the planar reinforcing mesh is manufactured by welding staggered points.
Preferably, the end of the independent truss unit is triangular, trapezoidal or door opening-shaped, and when the end of the independent truss unit is triangular, an upper chord steel bar is arranged between two lower chord steel bars; when the end part of the independent truss unit is in a trapezoid shape or a portal shape, two upper chord steel bars are arranged between the two lower chord steel bars, and the distance between the two upper chord steel bars is smaller than or equal to the distance between the two lower chord steel bars.
As a further preferable mode of the present invention, the independent truss units are arranged perpendicular to a horizontal plane in which the lower chord steel bar is located or arranged at a certain included angle with the horizontal plane in which the lower chord steel bar is located, when the independent truss units are arranged at a certain included angle with the horizontal plane in which the lower chord steel bar is located, every two independent truss units along the direction of the lower chord steel bar are divided into a group, two independent truss units in each group of independent truss units are both inclined inward, and the vertexes thereof are butted and depend on each other.
As a further preferred aspect of the present invention, hollow or light-weight filler bodies are provided between the individual truss units distributed in the direction of the lower chord reinforcing bar, the hollow or light-weight filler bodies being provided on the web member reinforcing bar which is not bent, the hollow filler bodies being tubular or box-shaped.
As a further preferable mode of the present invention, the steel bar truss is installed on a cement fiberboard or a decorative board having a certain strength by means of bolts or connecting latches, or is combined with concrete to form a row-connected steel bar truss composite slab, and an insulating layer, a sound insulating layer, a ventilation layer or a waterproof layer is further disposed at the bottom of the steel bar truss, i.e., between the steel bar truss and the cement fiberboard.
The invention has the advantages and positive effects that:
(1) the invention provides a brand new thought, wherein a row of independent steel bar trusses used in the existing building are pre-manufactured into an integral continuous-row truss before construction, and the truss is directly installed on a template in the actual use process, so that the problems of complex installation process, time and labor waste and the like of the existing steel bar trusses in a row are effectively solved, and the working efficiency can be greatly improved by using the truss.
(2) The bent continuous-row three-dimensional steel bar truss provided by the invention is simple in structure and has all the advantages of the existing steel bar truss; meanwhile, the truss can be obtained by mechanically bending and forming after a plane reinforcing bar net piece is welded by utilizing the plane position relation between the upper and lower chord reinforcing bars and the web member reinforcing bar, the production efficiency is high, the processing is convenient, the integrity is good, and the processing problem that the existing reinforcing bar truss is long in manufacturing period and cannot adopt large-diameter reinforcing bars is effectively solved.
(3) When the steel bar truss is obtained by bending and molding the planar steel bar mesh, the diameter of the lower chord steel bar can be randomly selected and is not limited, and the height of the truss can be randomly adjusted during molding, so that the steel bar truss meets the requirements of buildings.
Drawings
Fig. 1 is a schematic view of an overall structure of a conventional steel bar truss;
fig. 2 is a schematic view of the overall structure of a first steel bar truss according to the present invention;
fig. 3 is a schematic view of the first steel bar truss according to the present invention after being unfolded (steel bar mesh);
fig. 4 is a front view of a first steel bar truss according to the present invention;
FIG. 5 is a schematic view of the overall structure of a first steel bar truss provided with a hollow filling body according to the present invention;
fig. 6 is a cross-sectional view of a first steel bar truss provided with a hollow filling body according to the present invention;
FIG. 7 is a schematic view of a second steel truss according to the present invention with trapezoidal end portions after being unfolded (steel mesh sheet);
FIG. 8 is a front view of a second type of steel truss of the present invention having trapezoidal end configurations;
FIG. 9 is a front view of a second steel truss of the present invention having portal-shaped ends;
fig. 10 is a top view of a third steel truss according to the present invention;
fig. 11 is a side view of a third steel truss according to the present invention;
fig. 12 is a schematic view of the overall structure of a fourth steel bar truss according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present application, it is to be noted that the terms "inside", "below", and the like refer to orientations or positional relationships based on orientations or positional relationships shown in the drawings or orientations or positional relationships that are conventionally arranged when products of the application are used, and are used only for convenience in describing the application and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the application. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the present application, it is also to be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; they may be mechanically coupled, directly coupled, indirectly coupled through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
Embodiment 1 a bent continuous-row three-dimensional steel bar truss
Referring to fig. 2 to 6, the present invention provides a bent row three-dimensional steel bar truss, including: a plurality of web member reinforcing steel bars 3, and upper chord reinforcing steel bars 1 and lower chord reinforcing steel bars 2 arranged on the plurality of web member reinforcing steel bars; a plurality of web member reinforcing steel bars 3 are distributed on the upper chord reinforcing steel bar 1 and the lower chord reinforcing steel bar 2 in parallel at intervals, are arranged in a transversely and longitudinally staggered mode with the upper chord reinforcing steel bar 1 and the lower chord reinforcing steel bar 2, and are welded at staggered points to obtain a plane reinforcing steel bar mesh;
the lower chord steel bars 2 are distributed in parallel at intervals, every two lower chord steel bars 2 are in a group, an upper chord steel bar 1 is arranged between every two lower chord steel bars 2, web members between the two lower chord steel bars 2 and the upper chord steel bar 1 are bent to form a three-dimensional independent truss unit 4 with a triangular end part, so that the upper chord steel bar 1 is arranged at the highest point of the independent truss unit 4 and used for supporting, the lower chord steel bars 2 are arranged at two ends of the bottom of the independent truss unit 4 and used for bearing the gravity borne by the whole truss, and the web members 3 are arranged at two sides of the independent truss unit 4 and used for connecting the upper chord steel bar 1 with the lower chord steel bars 2; meanwhile, the non-bent web member steel bars 3 are used for connecting two parallel independent truss units 4 adjacent to each other in the web member steel bar direction (transversely) to form a bent continuous-row three-dimensional truss.
Further, hollow fillers 5 or light fillers are arranged between the independent truss units 4 distributed in parallel along the direction (longitudinal direction) of the lower chord steel bar, the hollow fillers 5 or the light fillers are arranged on the web member steel bar 3, and the hollow fillers are tubular or box-shaped, and polygonal hollow fillers can also be adopted.
The steel bar truss is installed on a cement fiberboard 6 or a decorative board with certain strength through bolts or connecting lock catches, or is combined with concrete to prepare a row-by-row steel bar truss composite slab, and a heat insulation layer 7, a sound insulation layer, a ventilation layer or a waterproof layer can be further arranged at the bottom of the steel bar truss, namely between the steel bar truss and the cement fiberboard 6.
The upper chord steel bar can be replaced by upper chord section steel, and when the upper chord section steel is adopted, the specific scheme is as follows:
a bent row three-dimensional steel bar truss comprises: a plurality of web member reinforcing steel bars, steel strips arranged on the plurality of web member reinforcing steel bars and lower chord reinforcing steel bars; a plurality of web member reinforcing steel bars are distributed on the steel belt and the lower chord reinforcing steel bar at intervals, are arranged in a staggered manner with the steel belt and the lower chord reinforcing steel bar, and are welded at staggered points to prepare a planar reinforcing mesh sheet;
the lower chord steel bars are parallel and distributed at intervals, every two lower chord steel bars are in a group, a steel belt is arranged between every two lower chord steel bars, the steel belt is bent to form an upper chord steel bar, web member steel bars between the two lower chord steel bars and the upper chord steel bar are bent to form a three-dimensional independent truss unit, the upper chord steel bar is arranged at the highest point of the independent truss unit and used for supporting, the lower chord steel bars are arranged at two ends of the bottom of the independent truss unit and used for bearing the gravity borne by the whole truss, and the web member steel bars are arranged at two sides of the independent truss unit and used for connecting the upper chord steel bars with the lower chord steel bars; meanwhile, the unflexed web member steel bars are used for connecting two adjacent independent truss units arranged in parallel in the direction of the web member steel bars to form a flexed continuous-row three-dimensional truss; the steel groove with the upward or downward opening is processed on the upper chord section steel, so that the strength of the whole steel bar truss can be increased, and concrete pouring cannot be influenced.
Referring to fig. 7 to 9, the bending row three-dimensional steel bar truss provided by the invention is different from embodiment 1 in that: two upper chord steel bars 1 are arranged between every two lower chord steel bars 2, web members between the two lower chord steel bars 2 and the two upper chord steel bars 1 are bent to form a three-dimensional independent truss unit 4 with the end part in a trapezoid or portal shape, and when the end part of the independent truss unit 4 is in the trapezoid shape, the distance between the two upper chord steel bars 1 is smaller than the distance between the two lower chord steel bars 2; when the end part of the independent truss unit 4 is in a portal shape, the distance between the two upper chord steel bars 1 is equal to the distance between the two lower chord steel bars 2, so that the two upper chord steel bars 1 are arranged at two ends of the highest point of the independent truss unit 4 and are used for supporting, the two lower chord steel bars 2 are arranged at two ends of the bottom of the independent truss unit 4 and are used for bearing the gravity borne by the whole truss, and the web member steel bars 3 are arranged at two sides of the independent truss unit 4 and are used for connecting the upper chord steel bars 1 with the lower chord steel bars 2; meanwhile, the non-bent web member steel bars are used for connecting two transversely adjacent independent truss units 4 which are arranged in parallel to form the bent continuous-row three-dimensional truss.
Of course, the end of the independent truss unit 4 processed by the invention can be made into other shapes, and in the actual manufacturing process, the end is preferably made into a triangle for the convenience of manufacture.
EXAMPLE 3 third bending row three-dimensional steel bar truss
Referring to fig. 10, fig. 11 differs from embodiment 1 in that: in the embodiment 1, the independent truss units 4 are arranged perpendicular to the horizontal plane where the lower chord steel bars 2 are located, in the embodiment, the independent truss units 4 and the horizontal plane where the lower chord steel bars 2 are located form a certain included angle, every two independent truss units 4 along the direction of the lower chord steel bars 2 are divided into one group, the two independent truss units 4 in each group of independent truss units are both inclined inwards, and the vertexes are butted and depend on each other, so that the stress condition of the whole truss can be increased.
Example 4 fourth bending row three-dimensional steel bar truss
Referring to fig. 12, the invention provides a bent continuous-row three-dimensional steel bar truss, including: a plurality of web member reinforcing steel bars, and an upper chord reinforcing steel bar 1 and a lower chord reinforcing steel bar 2 which are arranged on the plurality of web member reinforcing steel bars; the plurality of web member reinforcing steel bars comprise first web member reinforcing steel bars 3 and second web member reinforcing steel bars 4, wherein the first web member reinforcing steel bars 3 are distributed on the upper chord reinforcing steel bars 1 and the lower chord reinforcing steel bars 2 in parallel at intervals and form a certain included angle with the upper chord reinforcing steel bars 1 and the lower chord reinforcing steel bars 2; the second web member reinforcing steel bars 4 are parallel to the upper chord reinforcing steel bars 1 and the lower chord reinforcing steel bars 2 at intervals, a certain included angle is formed between the second web member reinforcing steel bars and the upper chord reinforcing steel bars 1 and the lower chord reinforcing steel bars 2, the first web member reinforcing steel bars 3 and the second web member reinforcing steel bars 4 are arranged in a crossed mode, and a plane reinforcing steel bar net piece is manufactured by welding crossed points;
the diameter of the lower chord steel bar 2 is larger than that of the upper chord steel bar 1, and the diameter of the lower chord steel bar is controlled to be 10-15 mm; the lower chord steel bars 2 are distributed in parallel at intervals, every two lower chord steel bars 2 form a group, an upper chord steel bar 1 is arranged between every two lower chord steel bars 2, the web member steel bars between the two lower chord steel bars 2 and the upper chord steel bar 1 are bent to form a three-dimensional independent truss unit 5 with a triangular end part, so that the upper chord steel bar 1 is arranged at the highest point of the independent truss unit 5, used for supporting, the lower chord steel bars 2 are arranged at the two ends of the bottom of the independent truss unit 5 and used for bearing the gravity borne by the whole truss, the first web member steel bars 3 and the second web member steel bars 4 are arranged at the two sides of the independent truss unit 5, the connecting structure is used for connecting the upper chord steel bar 1 with the lower chord steel bar 2, and meanwhile, the non-bent web member steel bars are used for connecting two adjacent independent truss units 5 which are arranged in parallel in the direction of the web member steel bars to form a bent continuous-row three-dimensional truss.
The invention provides a bent continuous-row three-dimensional steel bar truss which can be realized by two methods according to the field requirements: the other method is that an upper chord steel bar, a lower chord steel bar and a web member steel bar are welded into a plane steel bar mesh, and then bending is carried out to prepare the continuous row three-dimensional steel bar truss: the other method is to bend and form the web member steel bars according to the end shape of the independent truss unit, then spot-weld the upper chord steel bars, the lower chord steel bars and the web member steel bars into the bent continuous-row three-dimensional steel bar truss, and the method for manufacturing the bent continuous-row three-dimensional steel bar truss by adopting the first method is described in detail below, and specifically comprises the following steps:
(1) determining the number of upper chord steel bars and lower chord steel bars according to the shape of the end part of an independent truss unit in a pre-designed steel bar truss, wherein every two lower chord steel bars form a group, and if the shape of the end part of the independent truss unit is triangular, an upper chord steel bar needs to be arranged between the two lower chord steel bars; if the end part of the independent truss unit is in a trapezoid shape or a door opening shape, two upper chord steel bars need to be arranged between the two lower chord steel bars, and the distance between the two upper chord steel bars is smaller than or equal to the distance between the two lower chord steel bars;
(2) the upper chord steel bars and the lower chord steel bars are distributed in parallel at intervals according to the mode of the step (1), and then a plurality of web member steel bars are distributed on the upper chord steel bars and the lower chord steel bars in parallel at intervals so as to be arranged in a transversely-longitudinally staggered mode with the upper chord steel bars and the lower chord steel bars; or, the first web member steel bars are distributed on the upper chord steel bars and the lower chord steel bars in parallel at intervals to form a certain included angle with the upper chord steel bars and the lower chord steel bars, then the second web member steel bars are distributed on the upper chord steel bars and the lower chord steel bars in parallel at intervals to form a certain included angle with the upper chord steel bars and the lower chord steel bars, and the first web member steel bars and the second web member steel bars are arranged in a crossed mode;
(3) spot welding the reinforcing steel bars distributed in the step (2) in sequence to form a planar reinforcing steel bar mesh;
(4) bending the web member reinforcing steel bars on the planar reinforcing steel bar net piece by adopting a bending device according to a pre-designed shape, so that the web member reinforcing steel bars between the two lower chord reinforcing steel bars and the upper chord reinforcing steel bars are processed into a three-dimensional independent truss unit; the upper chord steel bars are arranged at the highest point of the independent truss unit and used for playing a supporting role, the lower chord steel bars are arranged at two ends of the bottom of the independent truss unit and used for bearing the gravity borne by the whole truss, and the web member steel bars are arranged at two sides of the independent truss unit and used for connecting the upper chord steel bars with the lower chord steel bars; meanwhile, the non-bent web member steel bars are used for connecting two adjacent independent truss units arranged in parallel in the direction of the web member steel bars to form a bent continuous-row three-dimensional truss.
The method for manufacturing the bent continuous-row three-dimensional steel bar truss in the second mode specifically comprises the following steps:
(1) firstly, respectively bending each parallel web member reinforcing steel bar by adopting a bending device, and respectively bending the web member reinforcing steel bars into three-dimensional independent truss units distributed at intervals;
(2) the upper chord steel bars and the lower chord steel bars are simultaneously conveyed along the direction vertical to the web member steel bars through the steel bar conveying device, so that the lower chord steel bars are inserted at two ends of the bottom of the independent truss unit, and the upper chord steel bars are inserted at the highest point of the independent truss unit;
(3) directly welding the upper chord steel bar, the lower chord steel bar and the web member steel bar together by using a spot welding machine to manufacture a bent continuous-row three-dimensional steel bar truss; or dividing every two independent truss units along the direction of the lower chord steel bar into a group, wherein the two independent truss units in each group of independent truss units are inclined inwards, butting the vertexes and depending on each other, and then welding the upper chord steel bar, the lower chord steel bar and the web member steel bar together by using a spot welding machine to manufacture the bent continuous-row three-dimensional steel bar truss.
Claims (7)
1. A bent row three-dimensional steel bar truss comprises: a plurality of web member reinforcing steel bars, and upper chord reinforcing steel bars and lower chord reinforcing steel bars which are arranged on the plurality of web member reinforcing steel bars; the steel bar net is characterized in that a plurality of web member steel bars are distributed on the upper chord steel bar and the lower chord steel bar at intervals and are arranged in a staggered mode with the upper chord steel bar and the lower chord steel bar, and a plane steel bar net piece is manufactured by welding staggered points;
the lower chord steel bars are distributed in parallel at intervals, every two lower chord steel bars are in a group, the upper chord steel bar is arranged between every two lower chord steel bars, web members between the two lower chord steel bars and the upper chord steel bar are bent to form a three-dimensional independent truss unit, the upper chord steel bar is arranged at the highest point of the independent truss unit and used for supporting, the lower chord steel bars are arranged at two ends of the bottom of the independent truss unit and used for bearing the gravity borne by the whole truss, and the web members are arranged at two sides of the independent truss unit and used for connecting the upper chord steel bar with the lower chord steel bar; meanwhile, the unflexed web member steel bars are used for connecting two adjacent independent truss units arranged in parallel in the direction of the web member steel bars to form a flexed continuous-row three-dimensional truss.
2. The bent row three-dimensional steel bar truss according to claim 1, wherein the end of each independent truss unit is triangular, trapezoidal or door-opening-shaped, and when the end of each independent truss unit is triangular, an upper chord steel bar is arranged between two lower chord steel bars; when the end part of the independent truss unit is in a trapezoid shape or a portal shape, two upper chord steel bars are arranged between the two lower chord steel bars, and the distance between the two upper chord steel bars is smaller than or equal to the distance between the two lower chord steel bars.
3. The bent row three-dimensional steel bar truss according to claim 1, wherein the independent truss units are arranged perpendicular to or at an angle with respect to the horizontal plane of the lower chord steel bar, when the independent truss units are arranged at an angle with respect to the horizontal plane of the lower chord steel bar, every two independent truss units along the direction of the lower chord steel bar are divided into a group, two independent truss units in each group of independent truss units are inclined inwards, and the vertexes of the independent truss units are butted and leaned against each other.
4. The bent row three-dimensional steel bar truss according to claim 1, wherein hollow filling bodies or light filling bodies are arranged between the independent truss units distributed along the direction of the lower chord steel bars, the hollow filling bodies or the light filling bodies are arranged on the non-bent web member steel bars, and the hollow filling bodies are tubular or box-shaped.
5. A bent row three-dimensional steel bar truss is characterized by comprising: a plurality of web member reinforcing steel bars, steel strips arranged on the plurality of web member reinforcing steel bars and lower chord reinforcing steel bars; a plurality of web member reinforcing steel bars are distributed on the steel belt and the lower chord reinforcing steel bar at intervals, are arranged in a staggered manner with the steel belt and the lower chord reinforcing steel bar, and are welded at staggered points to prepare a planar reinforcing mesh sheet;
the lower chord steel bars are parallel and distributed at intervals, every two lower chord steel bars are in a group, a steel belt is arranged between every two lower chord steel bars, the steel belt is bent to form an upper chord steel bar, web member steel bars between the two lower chord steel bars and the upper chord steel bar are bent to form a three-dimensional independent truss unit, the upper chord steel bar is arranged at the highest point of the independent truss unit and used for supporting, the lower chord steel bars are arranged at two ends of the bottom of the independent truss unit and used for bearing the gravity borne by the whole truss, and the web member steel bars are arranged at two sides of the independent truss unit and used for connecting the upper chord steel bars with the lower chord steel bars; meanwhile, the unflexed web member steel bars are used for connecting two adjacent independent truss units arranged in parallel in the direction of the web member steel bars to form a flexed continuous-row three-dimensional truss.
6. The curved continuous-row three-dimensional steel bar truss according to claim 1 or 5, wherein a plurality of web members are arranged on the upper chord steel bar and the lower chord steel bar in parallel at intervals and are arranged transversely and longitudinally in a staggered manner; or the plurality of web member reinforcing steel bars comprise first web member reinforcing steel bars and second web member reinforcing steel bars, and the first web member reinforcing steel bars are distributed on the upper chord reinforcing steel bars and the lower chord reinforcing steel bars in parallel at intervals and form a certain included angle with the upper chord reinforcing steel bars and the lower chord reinforcing steel bars; the second web member reinforcing steel bars are distributed on the upper chord reinforcing steel bars and the lower chord reinforcing steel bars in parallel at intervals and form a certain included angle with the upper chord reinforcing steel bars and the lower chord reinforcing steel bars, the first web member reinforcing steel bars and the second web member reinforcing steel bars are arranged in a crossed mode, and the planar reinforcing mesh is manufactured by welding staggered points.
7. The bent continuous-row three-dimensional steel bar truss according to claim 1 or 5, wherein the steel bar truss is mounted on a cement fiberboard or a decorative board with certain strength through self-tapping screws, aluminum rivets or connecting lock catches, or is combined with concrete to form a continuous-row steel bar truss composite board, and an insulating layer, a sound insulating layer, a breathable layer or a waterproof layer is further arranged at the bottom of the steel bar truss, namely between the steel bar truss and the cement fiberboard.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202023318457.7U CN215211898U (en) | 2020-12-31 | 2020-12-31 | Bending continuous-row three-dimensional steel bar truss |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202023318457.7U CN215211898U (en) | 2020-12-31 | 2020-12-31 | Bending continuous-row three-dimensional steel bar truss |
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| CN215211898U true CN215211898U (en) | 2021-12-17 |
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Effective date of registration: 20231010 Address after: 132000 group 2, Yuanda village, Huanxi Township, Chuanying District, Jilin City, Jilin Province Patentee after: Jilin Ruineng Building Materials Technology Co.,Ltd. Address before: 132000 no.4-2-34 Jilin Street, Chuanying District, Jilin City, Jilin Province Patentee before: Wang Yong |