Assembled steel bar truss floor support plate
By designing the structure of right-angle steel and bracket components on the steel bar truss bearing plate, ensuring the firm connection and fixation of the steel bars, the problems of splicing offset and insufficient load bearing strength are solved, and higher bearing capacity and stability are achieved, and the Construction effect.
Patent Information
- Application Number
- CN202421070788.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-16
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2034-05-16
AI Technical Summary
The existing steel bar truss bearing plates are prone to offset during splicing, resulting in slurry leakage during pouring, and the overall load-bearing strength is poor, which is prone to welding and dewelding of steel bars when the bearing capacity is too large, affecting the construction effect.
A assembled steel bar truss bearing plate is designed to ensure the firm connection of the steel bars by welding right-angle steel and bracket components on the bottom plate, including L-shaped slots, bayonets, lower longitudinal bars, bubonic bars and transverse fixing bars. Fix, avoid offset and desoldering, and provide limit ribs and pin holes on the sides of the base plate for tight splicing.
It effectively improves the overall bearing capacity and use stability of the steel bar truss bearing plate, avoids the problems of steel bars falling off and splicing offset during pouring, and improves the construction effect.
Smart Images
Figure CN222275891U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of steel bar truss floor decking plates, in particular to an assembled steel bar truss floor decking plate. Background Art
[0002] The steel truss floor deck is a casting method for the load-bearing slabs of building floors. It is made by welding the upper and lower longitudinal steel bars with small-diameter steel bars that are bent to form a small truss with a certain rigidity and capable of bearing loads. The small truss is then welded to the corrugated steel plate and then made by pouring concrete.
[0003] A patent with announcement number CN 205530897 U discloses a steel truss floor decking plate, wherein the steel truss comprises a steel bottom plate and a plurality of steel frame bars welded to the bottom plate at intervals, wherein the steel frame bars have three parallel straight steel bars and two symmetrically arranged side steel bars; the three straight steel bars are a top steel bar and two bottom steel bars distributed at the vertices of an isosceles triangle, the top end of the longitudinal inclined portion is welded to the side wall of the top steel bar, and the bottom end of the longitudinal inclined portion is welded to the side wall of the bottom steel bar, and one end of the transverse inclined portion connected to the longitudinal inclined portion is welded to the side wall of the bottom steel bar. The structural strength of the floor decking plate of the utility model is stronger.
[0004] When the steel truss floor deck is used, two adjacent bottom plates need to be spliced together. Since the existing steel truss bottom plates are prone to offset and gaps at the joints, it is easy to leak slurry during pouring. In addition, since the overall bearing strength of the existing steel truss floor deck is poor, the steel bar welding points are prone to debonding when the force is large, resulting in poor use effect and affecting the construction effect. Therefore, an assembled steel truss floor deck is proposed to address the above problems. Utility Model Content
[0005] In order to make up for the deficiencies of the prior art and address the problems existing in the prior art, the utility model proposes an assembled steel bar truss floor deck.
[0006] The technical solution adopted by the utility model to solve its technical problems is: the utility model described in the utility model is an assembled steel truss floor deck, comprising a bottom plate; a right-angle steel is welded on the bottom plate, the right-angle steel is composed of a horizontal section and a vertical section, and the vertical section is provided with a bracket assembly, the bracket assembly comprises two L-shaped slots, and the two L-shaped slots are penetrated and opened on the side of the vertical section, and the openings of the two L-shaped slots are respectively provided with bayonet holes, four right-angle steels are longitudinally arranged and welded on the bottom plate, and the four right-angle steels are arranged in the same manner, lower longitudinal bars are continuously penetrated in the bayonet holes provided by the four right-angle steels, and the lower longitudinal bars are perpendicular to the right-angle steels, end transverse connecting bars are horizontally welded between the two ends of the two lower longitudinal bars, the inner sides of the two end transverse connecting bars are respectively vertically welded with end vertical connecting bars, and the tops of the two end vertical connecting bars are jointly welded with upper longitudinal bars, and two web bars are provided in a corrugated bending shape on both sides of the upper longitudinal bar and the inner sides of the two lower longitudinal bars, and the two web bars are symmetrically arranged The cam is provided with a plurality of fixing plates, each of which is provided with a plurality of fixing plates, and the fixing plates are provided with a plurality of fixing plates respectively. The fixing plates are provided with a plurality of fixing plates respectively. The fixing plates are provided with a plurality of fixing plates respectively. The fixing plates are provided with a plurality of fixing plates respectively. The fixing plates are provided with a plurality of fixing plates respectively. The fixing plates are provided with a plurality of fixing plates respectively. The fixing plates are provided with a plurality of fixing plates respectively. The fixing plates are provided with a plurality of fixing plates respectively. The fixing plates are provided with a plurality of fixing plates respectively.
[0007] Preferably, the four right-angle steels are parallel to each other, the right-angle steels are welded to the base plate through a horizontal section, the two L-shaped slots are opened in a mirror-like manner, the bayonet is located at the outermost side of the L-shaped slot, the bottom end of the end vertical connecting rib is welded to the base plate, and the end vertical connecting rib and the base plate are perpendicular to each other, so as to achieve the effect of improving the firmness of welding and improving the bearing capacity of the floor decking plate.
[0008] Preferably, the lower longitudinal ribs are parallel to each other, the end transverse connecting ribs and the end vertical connecting ribs are perpendicular to each other, and the two end transverse connecting ribs are located on the outside of the four right-angle steels, which cooperate to achieve the function of fixing the end transverse connecting ribs and ensure the stability of the bracket assembly.
[0009] Preferably, the upper longitudinal reinforcement is parallel to the lower longitudinal reinforcement and is located directly above the two lower longitudinal reinforcements. The transverse fixing reinforcement is perpendicular to the lower longitudinal reinforcement and cooperates to achieve the function of fixing the upper longitudinal reinforcement, thereby ensuring the normal use and casting of the floor deck.
[0010] Preferably, the additional fixing plate is cross-sectioned and arranged between four right-angle steels. The additional fixing plate is perpendicular to the right-angle steel and parallel to the lower longitudinal reinforcement. The additional fixing plate is welded to the bottom plate, thereby achieving the effect of improving the bearing capacity of the floor decking plate.
[0011] Preferably, limiting ribs are welded on the side of the base plate, and pin holes are evenly distributed between the limiting ribs and the side of the base plate, and lap plates are installed on the sides of the base plate opposite to the pin holes, and pin rods are evenly welded under the lap plates, and the pin rods can be penetrated and arranged in the pin holes, thereby achieving the effect of splicing. Compared with traditional steel truss floor decking, the splicing is tighter, and the displacement of adjacent steel truss floor decking plates can be effectively avoided to affect the pouring during the construction process.
[0012] The utility model is beneficial in that:
[0013] 1. The utility model sets the lower longitudinal reinforcement through the four right-angle steel slots, and welds the end transverse connecting bars at both ends of the lower longitudinal reinforcement to symmetrically fix the two lower longitudinal reinforcements in the two L-shaped slots, and the upper bends of the two adjacent web reinforcements are fixed above the upper longitudinal reinforcement by welding points, and then the transverse fixing bars are set through the through holes, and the transverse fixing bars are located in the lower bends, so as to achieve the effect of improving the firmness of the connection of the web reinforcements. The lower bend is set between the inclined plate and the lower longitudinal reinforcement to fix the web reinforcements to prevent the web reinforcements from falling off from the transverse fixing bars during the pouring process, thereby achieving the effect of improving the overall bearing capacity of the steel truss floor deck, and effectively avoiding the influence of steel bar de-welding on the pouring effect when the bearing capacity is too large. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.
[0015] Figure 1 is a schematic diagram of a first three-dimensional structure;
[0016] Figure 2 A schematic diagram of the main structure for connecting and fixing the bracket assembly;
[0017] Figure 3 It is an enlarged schematic diagram of area A of the main structure of the bracket assembly;
[0018] Figure 4 It is an enlarged schematic diagram of the support assembly structure;
[0019] Figure 5 It is an enlarged schematic diagram of the lower bending main structure;
[0020] Figure 6 This is an enlarged schematic diagram of the main structure of the right-angle steel component;
[0021] Figure 7 This is the main structural intention of the base plate component.
[0022] In the figure: 1, bottom plate; 2, right-angle steel; 201, horizontal section; 202, vertical section; 3, L-shaped slot; 301, bayonet; 4, lower longitudinal reinforcement; 5, end transverse connecting reinforcement; 6, end vertical connecting reinforcement; 7, upper longitudinal reinforcement; 8, web reinforcement; 801, upper bend; 802, lower bend; 9, additional fixing plate; 10, inclined plate; 11, through hole; 12, transverse fixing reinforcement; 13, welding point; 14, welding reinforcement; 15, limiting rib; 16, pin hole; 17, lap plate; 18, pin rod. DETAILED DESCRIPTION
[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0024] See also Figure 1-6As shown, an assembled steel truss floor deck includes a bottom plate 1; a right-angle steel 2 is welded on the bottom plate 1, and the right-angle steel 2 consists of a horizontal section 201 and a vertical section 202. A bracket assembly is arranged on the vertical section 202, and the bracket assembly includes two L-shaped slots 3, and the two L-shaped slots 3 are opened through the side of the vertical section 202, and the openings of the two L-shaped slots 3 are respectively provided with a bayonet 301, and four right-angle steels 2 are welded on the bottom plate 1 in a longitudinal arrangement, and the four right-angle steels 2 are arranged in a manner Similarly, the lower longitudinal ribs 4 are continuously penetrated in the bayonet 301 provided in the four right-angle steels 2, and the lower longitudinal ribs 4 are perpendicular to each other, and the end transverse connecting ribs 5 are horizontally welded between the two ends of the two lower longitudinal ribs 4, and the inner sides of the two end transverse connecting ribs 5 are respectively vertically welded with end vertical connecting ribs 6, and the tops of the two end vertical connecting ribs 6 are welded together with upper longitudinal ribs 7, and two web steel bars 8 are arranged in a corrugated shape on both sides of the upper longitudinal ribs 7 and the inner sides of the two lower longitudinal ribs 4, and the two web steel bars 8 Symmetrically arranged on both sides of the upper longitudinal reinforcement 7, the upper bending point of the web reinforcement 8 is the upper bending point 801, and the lower bending point is the lower bending point 802. A welding point 13 is arranged between the two adjacent upper bending points 801, and the welding point 13 is located above the upper longitudinal reinforcement 7. Two additional fixing plates 9 are respectively arranged directly below the two lower longitudinal reinforcements 4. The inner sides of the two additional fixing plates 9 are respectively inclined upwardly and inclined plates 10 are arranged, and the lower bending 802 is located between the inclined plate 10 and the lower longitudinal reinforcement 4. The side of the inclined plate 10 is evenly distributed through the opening A through hole 11 is provided, and transverse fixing ribs 12 are simultaneously penetrated in two opposite through holes 11, and the transverse fixing ribs 12 are located in the lower bend 802 and below the lower longitudinal rib 4. Three groups of bracket assemblies are evenly distributed on the vertical sections 202 of the four right-angle steels 2, and the internal components of the three groups of bracket assemblies are arranged the same, and the transverse fixing ribs 12 between adjacent bracket assemblies are arranged in a continuous manner, and welding ribs 14 are respectively welded at both ends of the transverse fixing ribs 12, and the welding ribs 14 are welded to the bottom plate 1.
[0025] During operation, due to the poor overall bearing strength of the existing steel truss floor deck, the steel bar welding is prone to de-welding when subjected to large forces, resulting in poor use effect and affecting the construction effect. In this method, the lower longitudinal reinforcement 4 is penetrated into the slots 301 set in the four right-angle steels 2, and the end transverse connecting reinforcements 5 are welded at both ends of the lower longitudinal reinforcement 4, thereby fixing the distance between the two lower longitudinal reinforcements 4, so as to achieve symmetrical fixing of the two lower longitudinal reinforcements 4 in the two L-shaped slots 3, and the upper longitudinal reinforcement 7 is fixed above the two lower longitudinal reinforcements 4 by welding the end vertical connecting reinforcements 6 to the bottom plate 1 and the end transverse connecting reinforcements 5 at the same time, and then the upper bends 801 of the two adjacent web reinforcements 8 are welded through the welding points 13. It is then fixed above the upper longitudinal reinforcement 7, and then penetrated through the through hole 11 by the transverse fixing rib 12, and the transverse fixing rib 12 is located in the lower bend 802, thereby achieving the effect of improving the connection firmness of the web reinforcement 8. The lower bend 802 is arranged between the inclined plate 10 and the lower longitudinal reinforcement 4, and the web reinforcement 8 is fixed to prevent the web reinforcement 8 from falling off from the transverse fixing rib 12 during the pouring process. Under the tension of the additional fixing plate 9, the inclined plate 10, the transverse fixing rib 12 and the web reinforcement 8, and the fixation of the right-angle steel 2 and the lower longitudinal reinforcement 4, the overall stability of the bracket assembly is improved, and the overall bearing capacity of the steel truss floor deck is improved, which effectively avoids the de-soldering of the steel bars affecting the pouring effect when the bearing capacity is too large.
[0026] See also Figure 1-4 As shown, the four right-angle steels 2 are parallel to each other, the right-angle steel 2 is welded to the bottom plate 1 through the horizontal section 201, the two L-shaped slots 3 are opened in a mirror image, the bayonet 301 is located at the outermost side of the L-shaped slot 3, the bottom end of the end vertical connecting rib 6 is welded to the bottom plate 1, and the end vertical connecting rib 6 and the bottom plate 1 are perpendicular to each other, the lower longitudinal ribs 4 are parallel to each other, the end transverse connecting ribs 5 and the end vertical connecting ribs 6 are perpendicular to each other, the two end transverse connecting ribs 5 are located on the outside of the four right-angle steels 2, the upper longitudinal rib 7 is parallel to the lower longitudinal rib 4, and is located directly above the two lower longitudinal ribs 4, the transverse fixing rib 12 and the lower longitudinal rib 4 are perpendicular to each other, the additional fixing plate 9 is cross-sectioned and arranged between the four right-angle steels 2, the additional fixing plate 9 is perpendicular to the right-angle steel 2, and is parallel to the lower longitudinal rib 4, and the additional fixing plate 9 is welded to the bottom plate 1.
[0027] During operation, in order to ensure the stability of the steel truss floor deck in this scheme and avoid the falling of steel bars during use affecting the construction progress, in this scheme, the two ends of the transverse fixing reinforcement 12 are welded and fixed to the base plate 1 through welding reinforcement 14, and the bottom end of the end vertical connecting reinforcement 6 is welded to the base plate 1, so as to improve the welding stability of the transverse fixing reinforcement 12 and the upper longitudinal reinforcement 7, thereby improving the stability of the steel truss floor deck and ensuring the normal progress of the pouring work.
[0028] See also Figure 7 As shown, a limiting rib 15 is welded on the side of the base plate 1, and pin holes 16 are evenly distributed between the limiting rib 15 and the side of the base plate 1. A lap plate 17 is installed on the side of the base plate 1 opposite to the pin hole 16, and pin rods 18 are evenly welded under the lap plate 17, and the pin rods 18 can be penetrated and set in the pin hole 16.
[0029] During operation, the two adjacent bottom plates of the steel truss floor decking need to be spliced together. Since the existing joints of the steel truss bottom plates are prone to offset and gaps, which leads to leakage during pouring, in this solution, the lap plates 17 of the two adjacent steel truss floor decking are overlapped above the pin holes 16 during splicing and installation, and the pin rods 18 are penetrated and set in the pin holes 16. At this time, the side edges of the lap plates 17 will fit with the limiting ribs 15, thereby achieving the effect of splicing. Compared with traditional steel truss floor decking, the splicing is tighter, and the displacement of adjacent steel truss floor decking can be effectively avoided to affect the pouring during the construction process.
[0030] Working principle: the lower longitudinal reinforcement 4 is penetrated and set in the slots 301 set in the four right-angle steels 2, and the end transverse connecting reinforcement 5 is welded at both ends of the lower longitudinal reinforcement 4, so as to fix the distance between the two lower longitudinal reinforcements 4, so as to achieve the symmetrical fixing of the two lower longitudinal reinforcements 4 in the two L-shaped slots 3, and the end vertical connecting reinforcement 6 is welded and fixed to the bottom plate 1 and the end transverse connecting reinforcement 5 at the same time, so as to fix the upper longitudinal reinforcement 7 above the two lower longitudinal reinforcements 4, and then the upper bends 801 of the two adjacent web reinforcements 8 are welded and fixed above the upper longitudinal reinforcement 7 through the welding points 13, and then the transverse fixing reinforcement 12 is penetrated and set in the through hole 1 1, and the transverse fixing ribs 12 are located in the lower bend 802, thereby achieving the effect of improving the connection firmness of the web reinforcement 8. The lower bend 802 is arranged between the inclined plate 10 and the lower longitudinal reinforcement 4 to fix the web reinforcement 8 to prevent the web reinforcement 8 from falling off from the transverse fixing ribs 12 during the pouring process. Under the tension of the additional fixing plate 9, the inclined plate 10, the transverse fixing ribs 12 and the web reinforcement 8, and the fixation of the right-angle steel 2 and the lower longitudinal reinforcement 4, the overall stability of the bracket assembly is improved, and the overall bearing capacity of the steel truss floor deck is improved, which effectively avoids the influence of steel bar de-welding on the pouring effect when the bearing capacity is too large.
[0031] By welding and fixing the two ends of the transverse fixing ribs 12 to the base plate 1 through welding ribs 14, and welding the bottom ends of the end vertical connecting ribs 6 to the base plate 1, the welding stability of the transverse fixing ribs 12 and the upper longitudinal ribs 7 is improved, thereby improving the stability of the steel truss floor deck and ensuring the normal progress of the pouring work.
[0032] During the splicing installation, the lap plates 17 of two adjacent steel truss floor decks are overlapped above the pin holes 16, and the pin rods 18 are penetrated and set in the pin holes 16. At this time, the sides of the lap plates 17 will fit with the limiting ribs 15, thereby achieving the splicing effect. Compared with traditional steel truss floor decks, the splicing is tighter, and the adjacent steel truss floor decks can be effectively prevented from deviating and affecting the pouring during the construction process.
[0033] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.
Claims
1. An assembled steel bar truss floor deck, characterized in that: The invention comprises a bottom plate (1); a right-angle steel (2) is welded on the bottom plate (1); the right-angle steel (2) is composed of a horizontal section (201) and a vertical section (202); a bracket assembly is arranged on the vertical section (202); the bracket assembly comprises two L-shaped card slots (3), and the two L-shaped card slots (3) are penetrated and opened on the side of the vertical section (202); a card slot (301) is respectively arranged in the opening of the two L-shaped card slots (3); four right-angle steels (2) are welded on the bottom plate (1) in a longitudinal arrangement; the four right-angle steels (2) are arranged in the same manner; the four right-angle steels (2 ) is provided with a lower longitudinal rib (4) continuously penetrating in the bayonet (301) provided therein, and the lower longitudinal rib (4) is perpendicular to the right-angle steel (2), an end transverse connecting rib (5) is horizontally welded between the two ends of the two lower longitudinal ribs (4), an end vertical connecting rib (6) is vertically welded to the inner sides of the two end transverse connecting ribs (5), an upper longitudinal rib (7) is welded to the top ends of the two end vertical connecting ribs (6), two web steel bars (8) are provided on both sides of the upper longitudinal rib (7) and on the inner sides of the two lower longitudinal ribs (4) in a corrugated bend shape, and the two web steel bars (8) are symmetrically arranged on the upper longitudinal rib (7). On both sides of the rib (7), the upper bending point of the web reinforcement (8) is an upper bending point (801), and the lower bending point is a lower bending point (802). A welding point (13) is arranged between two adjacent upper bending points (801), and the welding point (13) is located above the upper longitudinal rib (7). Two additional fixing plates (9) are respectively arranged directly below the two lower longitudinal ribs (4). Inclined plates (10) are respectively arranged on the inner sides of the two additional fixing plates (9) in an upwardly inclined manner. The lower bending point (802) is located between the inclined plate (10) and the lower longitudinal rib (4). The side of the inclined plate (10) is evenly distributed and penetrated. There are through holes (11), and two opposite through holes (11) are simultaneously penetrated by transverse fixing ribs (12), and the transverse fixing ribs (12) are located in the lower bend (802) and below the lower longitudinal ribs (4). Three groups of bracket assemblies are evenly distributed on the vertical sections (202) of the four right-angle steels (2), and the internal components of the three groups of bracket assemblies are arranged the same, and the transverse fixing ribs (12) between adjacent bracket assemblies are arranged in a continuous manner, and welding ribs (14) are respectively welded to the two ends of the transverse fixing ribs (12), and the welding ribs (14) are welded to the bottom plate (1).
2. The assembled steel bar truss floor deck according to claim 1, characterized in that: The four right-angle steels (2) are parallel to each other, the right-angle steels (2) are welded to the bottom plate (1) via a horizontal section (201), the two L-shaped slots (3) are opened in a mirror image, the slots (301) are located at the outermost sides of the L-shaped slots (3), the bottom ends of the end vertical connecting ribs (6) are welded to the bottom plate (1), and the end vertical connecting ribs (6) and the bottom plate (1) are perpendicular to each other.
3. The assembled steel bar truss floor deck according to claim 1 is characterized in that: The lower longitudinal ribs (4) are parallel to each other, the end transverse connecting ribs (5) and the end vertical connecting ribs (6) are perpendicular to each other, and the two end transverse connecting ribs (5) are located outside the four right-angle steels (2).
4. The assembled steel bar truss floor deck according to claim 1 is characterized in that: The upper longitudinal ribs (7) and the lower longitudinal ribs (4) are parallel to each other and are located directly above the two lower longitudinal ribs (4); the transverse fixing ribs (12) and the lower longitudinal ribs (4) are perpendicular to each other.
5. The assembled steel bar truss floor deck according to claim 1 is characterized in that: The additional fixing plates (9) are cross-sectioned and arranged between four right-angle steels (2); the additional fixing plates (9) are perpendicular to the right-angle steels (2) and parallel to the lower longitudinal ribs (4); and the additional fixing plates (9) are welded to the bottom plate (1).
6. The assembled steel bar truss floor deck according to claim 5, characterized in that: A limiting rib (15) is welded on the side of the bottom plate (1), and pin holes (16) are evenly distributed between the limiting rib (15) and the side of the bottom plate (1). A lap plate (17) is installed on the side of the bottom plate (1) opposite to the pin hole (16), and pin rods (18) are evenly welded under the lap plate (17), and the pin rods (18) can be penetrated and arranged in the pin hole (16).