A steel bar truss floor support plate convenient to assemble

Abstract

The utility model provides a kind of steel bar truss floor support plate convenient to assemble, comprising: bottom plate, the first through-hole is opened on the bottom plate;Steel bar truss, the steel bar truss includes two lower chord steel bars;Connecting plate, the locating groove corresponding with lower chord steel bar is equipped on the lower end surface of the connecting plate, the lower chord steel bar is located in the inboard of locating groove, and nut is fixed on the upper end surface of the connecting plate;Connecting bolt, the connecting bolt is penetrated first through-hole and is connected with nut by screw thread.The utility model has beneficial effect: steel bar truss is placed on bottom plate, the locating groove of connecting plate is aligned lower chord steel bar, then tightens connecting bolt, connecting plate is pressed down lower chord steel bar and the upper end surface of bottom plate, after concrete is poured and is shaped, only needs to loosen connecting bolt to complete the disassembly of bottom plate, and the working efficiency is improved in the process of assembly and disassembly.

Description

Technical Field

[0001] This utility model belongs to the field of building construction technology, and in particular relates to a steel truss floor deck that is easy to assemble. Background Technology

[0002] Steel truss floor decks are commonly used in concrete pouring. They meet the requirements of rapid construction of the main steel structure, can be installed quickly in a short time, and bear the poured concrete. After the concrete is formed, the steel truss is located in the concrete, and the bottom plate is located at the bottom of the concrete. However, the following problems exist in the current use of steel truss floor decks: First, the steel truss and the bottom plate are fixed by welding, which makes the installation and subsequent disassembly process complicated and leads to low work efficiency. Second, the gaps between adjacent steel truss floor decks are not sealed tightly, which can easily cause concrete leakage. Utility Model Content

[0003] In view of this, the present invention aims to provide a steel truss floor deck that is easy to assemble, in order to solve at least one of the above-mentioned technical problems.

[0004] To achieve the above objectives, the technical solution of this utility model is implemented as follows:

[0005] A steel truss floor deck that is easy to assemble, comprising:

[0006] A base plate, wherein a first through hole is formed in the base plate;

[0007] A steel truss, the steel truss comprising two bottom chord steel bars;

[0008] A connecting plate is provided with a positioning groove on its lower end surface that corresponds to the lower chord reinforcement bar. The lower chord reinforcement bar is located inside the positioning groove. A nut is fixed on the upper end surface of the connecting plate.

[0009] A connecting bolt, which passes through the first through hole and is threadedly connected to a nut.

[0010] Furthermore, the steel truss also includes horizontal bars, and the two ends of the two lower chord bars are respectively fixedly connected by two horizontal bars;

[0011] The steel truss also includes support bars and top chord bars. The upper end of the support bar is fixedly connected to the top chord bar, and the support bar is fixedly connected to the horizontal bars. The lower end of the support bar protrudes from the lower end face of the bottom chord bar, and the lower end face of the support bar contacts the upper end face of the base plate.

[0012] The steel truss also includes web reinforcement bars, which are wavy, and the upper chord reinforcement bars are fixedly connected to the two lower chord reinforcement bars through two web reinforcement bars.

[0013] Furthermore, the lower end of the web reinforcement is horizontally arranged, and a rib is provided between the lower end of the web reinforcement and the bottom plate.

[0014] Furthermore, the number of connecting plates is two, namely a first connecting plate and a second connecting plate, and the number of positioning slots is two, namely a first positioning slot and a second positioning slot. The first connecting plate is provided with a first positioning slot, and the second connecting plate is provided with a second positioning slot. The first connecting plate is movably connected to the second connecting plate, and a nut is fixedly provided on the second connecting plate.

[0015] Furthermore, the first connecting plate has a first positioning groove at one end and a strip-shaped through hole at the other end;

[0016] The second connecting plate has a second positioning groove at one end and a second through hole at the other end. The nut is positioned corresponding to the second through hole. The bolt passes through the first through hole, the strip-shaped through hole, and the second through hole in sequence and is then threadedly connected to the nut.

[0017] The end of the second connecting plate near the second through hole is bent downward to form a sliding column, which is installed inside the strip-shaped through hole.

[0018] Furthermore, a baffle is fixed at the bottom of the sliding column, the width of the baffle is greater than the width of the strip-shaped through hole, and the distance between the baffle and the second connecting plate matches the thickness of the second connecting plate.

[0019] Furthermore, the thickness of the sliding column is less than the width of the strip-shaped through hole.

[0020] Furthermore, both the first positioning groove and the second positioning groove are inverted V-shaped structures.

[0021] Furthermore, one end of the base plate is fixedly provided with a mounting boss, and the other end is provided with a mounting groove that matches the mounting boss. A positioning post is fixedly provided at the bottom end of the mounting groove, and a positioning hole that matches the positioning post is provided on the mounting boss. The positioning post is located inside the positioning hole.

[0022] Furthermore, a sealing groove is provided at the bottom end of the positioning groove near the mounting plate, which is set along the length of the positioning groove. A sealing gasket is provided inside the sealing groove. The sealing gasket is a cylindrical structure, and the diameter of the cylindrical structure is greater than the depth of the sealing groove.

[0023] Compared with the prior art, the steel truss floor decking of this utility model, which is easy to assemble, has the following advantages:

[0024] (1) The steel truss floor deck of this utility model is easy to assemble. The steel truss is placed on the base plate, the positioning groove of the connecting plate is aligned with the lower chord steel bar, and then the connecting bolts are tightened. The connecting plate presses down to press the lower chord steel bar and the upper end face of the base plate. After the concrete is poured and formed, the base plate can be disassembled by simply loosening the connecting bolts. The assembly and disassembly process is convenient and improves work efficiency.

[0025] (2) The steel truss floor decking of this utility model is easy to assemble. When the floor decking is installed, the mounting boss of the bottom plate of the floor decking is located in the mounting groove of the bottom plate of the adjacent floor decking. The positioning column is inserted into the inside of the positioning hole. The positioning column plays the role of limiting the adjacent bottom plate. At the same time, the mounting boss presses the sealing gasket and deforms, which improves the sealing effect. Attached Figure Description

[0026] The accompanying drawings, which form part of this utility model, are used to provide a further understanding of the utility model. The illustrative embodiments of the utility model and their descriptions are used to explain the utility model and do not constitute an undue limitation of the utility model. In the drawings:

[0027] Figure 1 This is a schematic diagram of the three-dimensional structure of the floor decking described in an embodiment of the present utility model;

[0028] Figure 2 As described in the embodiments of this utility model Figure 1 Schematic diagram of the structure at point A in the middle;

[0029] Figure 3 As described in the embodiments of this utility model Figure 1 Schematic diagram of the structure at point B;

[0030] Figure 4 As described in the embodiments of this utility model Figure 1 Schematic diagram of the structure at point C;

[0031] Figure 5 This is a schematic cross-sectional view of the positioning post in an embodiment of the present invention.

[0032] Figure 6 This is a three-dimensional structural diagram of the connecting component described in an embodiment of the present utility model;

[0033] Figure 7 This is a three-dimensional structural diagram of the first connecting plate according to an embodiment of the present utility model;

[0034] Figure 8 This is a three-dimensional structural diagram of the second connecting plate according to an embodiment of the present utility model;

[0035] Figure 9 This is a cross-sectional structural diagram of the first-state connection component according to an embodiment of the present utility model;

[0036] Figure 10 This is a cross-sectional structural diagram of the second-state connection component according to an embodiment of the present invention.

[0037] Explanation of reference numerals in the attached figures:

[0038] 1. Base plate; 2. Steel truss; 3. Connecting components; 4. Sealing gasket; 101. Mounting boss; 102. Positioning hole; 103. Mounting groove; 104. Sealing groove; 105. Positioning column; 201. Lower chord reinforcement; 202. Web reinforcement; 203. Upper chord reinforcement; 204. Horizontal reinforcement; 205. Support reinforcement; 301. First connecting plate; 302. Second connecting plate; 303. Connecting bolt; 304. Nut; 30101. First positioning groove; 30102. Strip-shaped through hole; 30201. Second positioning groove; 30202. Second through hole; 30203. Sliding column; 30204. Baffle. Detailed Implementation

[0039] It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0040] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0041] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0042] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0043] like Figures 1 to 9 As shown, a steel truss floor deck that is easy to assemble includes: a base plate 1 with a first through hole; a steel truss 2, which includes two lower chord steel bars 201; the steel truss 2 is detachably connected to the base plate 1 via a connecting assembly 3, the steel truss 2 includes a connecting plate and a connecting bolt 303, the connecting plate has a positioning groove on its lower end surface corresponding to the lower chord steel bar 201, the lower chord steel bar 201 is located inside the positioning groove, and a nut 304 is fixed on the upper end surface of the connecting plate; the connecting bolt 303 passes through the first through hole and is threadedly connected to the nut 304.

[0044] The steel truss 2 also includes horizontal bars 204, with the two ends of the two lower chord bars 201 fixedly connected by the two horizontal bars 204 respectively. The steel truss 2 also includes support bars 205 and upper chord bars 203. The upper end of the support bar 205 is fixedly connected to the upper chord bar 203, and the support bar 205 is fixedly connected to the horizontal bars 204. The lower end of the support bar 205 protrudes from the lower end face of the lower chord bar 201, and the lower end face of the support bar 205 contacts the upper end face of the base plate 1. The steel truss 2 also includes web bars 202, which are wavy. The upper chord bars 203 are fixedly connected to the two lower chord bars 201 by the two web bars 202 respectively. The lower end of the web bars 202 is horizontally positioned, and a rib (not marked in the figure) is provided between the lower end of the web bars 202 and the base plate 1. The rib serves to support the web bars 202, making the structure of the steel truss 2 more stable.

[0045] In some embodiments, such as Figures 6 to 9As shown, there are two connecting plates, namely a first connecting plate 301 and a second connecting plate 302, and two positioning slots, namely a first positioning slot 30101 and a second positioning slot 30201. The first connecting plate 301 is provided with a first positioning slot 30101, and the second connecting plate 302 is provided with a second positioning slot 30201. The first connecting plate 301 is movably connected to the second connecting plate 302, and a nut 304 is fixed on the second connecting plate 302. The first connecting plate 301 has a first positioning groove 30101 at one end and a strip-shaped through hole 30102 at the other end; the second connecting plate 302 has a second positioning groove 30201 at one end and a second through hole 30202 at the other end; the nut 304 is positioned corresponding to the second through hole 30202; the bolt passes through the first through hole, the strip-shaped through hole 30102, and the second through hole 30202 in one go and is threadedly connected to the nut 304; the end of the second connecting plate 302 near the second through hole 30202 is bent downward to form a sliding post 30203, and the sliding post 30203 is installed inside the strip-shaped through hole 30102. A baffle 30204 is fixedly installed at the bottom of the sliding column 30203. The width of the baffle 30204 is greater than the width of the strip-shaped through hole 30102. The distance between the baffle 30204 and the second connecting plate 302 matches the thickness of the second connecting plate 302. The baffle 30204 prevents the sliding column 30203 from disengaging from the strip-shaped through hole 30102. Under the cooperative action of the sliding column 30203 and the baffle 30204, when tightening the bolts, the first connecting plate 301 and the second connecting plate 302 move downward to press the lower chord steel bar 201. The sliding column 30203 also prevents the first connecting plate 301 and the second connecting plate 302 from rotating relative to each other. The length of the first connecting plate 301 and the second connecting plate 302 after installation is adjustable, suitable for different types of steel trusses 2. When the second connecting plate 302 and the first connecting plate 301 are installed, the sliding column 30203 and the baffle 30204 are set along the length direction of the strip-shaped through hole 30102. After insertion, the second connecting plate 302 is rotated so that the first connecting plate 301 and the second connecting plate 302 are set in parallel.

[0046] The thickness of the sliding column 30203 is less than the width of the strip-shaped through hole 30102. Both the first positioning groove 30101 and the second positioning groove 30201 are inverted V-shaped structures. The inverted V-shaped positioning grooves are suitable for steel bars of different diameters, thus improving their applicability.

[0047] In other embodiments, such as Figure 10As shown, there are two connecting plates, namely a first connecting plate 301 and a second connecting plate 302, and two positioning slots, namely a first positioning slot 30101 and a second positioning slot 30201. The first connecting plate 301 is provided with a first positioning slot 30101, and the second connecting plate 302 is provided with a second positioning slot 30201. The first connecting plate 301 is movably connected to the second connecting plate 302, and a nut 304 is fixed on the second connecting plate 302. The first connecting plate 301 has a first positioning groove 30101 at one end and a strip-shaped through hole 30102 at the other end. The end of the strip-shaped through hole 30102 away from the first positioning groove 30101 has an opening. The second connecting plate 302 has a second positioning groove 30201 at one end and a second through hole 30202 at the other end. The nut 304 is positioned corresponding to the second through hole 30202. The bolt passes through the first through hole, the strip-shaped through hole 30102, and the second through hole 30202 in sequence and is threadedly connected to the nut 304. Two sliding pillars 30203 are fixed on the second connecting plate 302. The second through hole 30202 is located between the two sliding pillars 30203. The sliding pillars 30203 are installed inside the strip-shaped through hole 30102. A baffle 30204 is fixed to the bottom end of the sliding column 30203. The width of the baffle 30204 is greater than the width of the strip-shaped through hole 30102, and the distance between the baffle 30204 and the second connecting plate 302 matches the thickness of the second connecting plate 302. The thickness of the sliding column 30203 is less than the width of the strip-shaped through hole 30102. Both the first positioning groove 30101 and the second positioning groove 30201 are inverted V-shaped structures. The baffle 30204 prevents the sliding column 30203 from disengaging from the strip-shaped through hole 30102. Under the combined action of the sliding column 30203 and the baffle 30204, when tightening the bolts, the first connecting plate 301 and the second connecting plate 302 move downwards to press the lower chord steel bar 201. The sliding column 30203 also prevents the first connecting plate 301 and the second connecting plate 302 from rotating relative to each other. The length of the first connecting plate 301 and the second connecting plate 302 after installation is adjustable, suitable for different types of steel trusses 2.

[0048] In other embodiments, there is one connecting plate, and the connecting plate has two positioning slots corresponding to two lower chord reinforcing bars 201 respectively.

[0049] One end of the base plate 1 is fixed with a mounting boss 101, and the other end is opened with a mounting groove 103 that matches the mounting boss 101. A positioning post 105 is fixed at the bottom end of the mounting groove 103. A positioning hole 102 that matches the positioning post 105 is opened on the mounting boss 101. The positioning post 105 is located inside the positioning hole 102.

[0050] A sealing groove 104 is provided at the bottom end of the positioning groove near the mounting plate, which is set along the length of the positioning groove. A sealing gasket 4 is provided inside the sealing groove 104. The sealing gasket 4 is a cylindrical structure, and the diameter of the cylindrical structure is greater than the depth of the sealing groove 104.

[0051] During the installation of the floor decking, the mounting boss 101 of the bottom plate 1 of the floor decking is located in the mounting groove of the bottom plate 1 of the adjacent floor decking. The positioning post 105 is inserted into the inside of the positioning hole 102. The positioning post 105 plays the role of limiting the adjacent bottom plate 1. At the same time, the mounting boss 101 presses the sealing gasket 4 to deform, which improves the sealing effect between the bottom plates 1 of the adjacent steel truss 2 floor decking.

[0052] Work process:

[0053] When implementing this solution, the steel truss 2 is placed on the base plate 1, the positioning groove of the connecting plate is aligned with the lower chord steel bar 201, and then the connecting bolts 303 are tightened. The connecting plate presses down to press the lower chord steel bar 201 against the upper end face of the base plate 1. After the concrete is poured and formed, the base plate 1 can be disassembled simply by loosening the connecting bolts 303. The assembly and disassembly process is convenient and improves work efficiency.

[0054] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model, and they should all be covered within the scope of the claims and specification of this utility model.

[0055] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A steel truss floor deck that is easy to assemble, characterized in that, include: A base plate (1) having a first through hole; A steel truss (2), the steel truss (2) comprising two lower chord steel bars (201); A connecting plate is provided with a positioning groove on the lower end surface of the connecting plate corresponding to the lower chord steel bar (201), the lower chord steel bar (201) is located inside the positioning groove, and a nut (304) is fixed on the upper end surface of the connecting plate. A connecting bolt (303) is threaded through the first through hole and connected to a nut (304).

2. The easily assembled steel truss (2) floor decking according to claim 1, characterized in that: The steel truss (2) also includes horizontal bars (204), and the two ends of the two lower chord bars (201) are fixedly connected by the two horizontal bars (204); The steel truss (2) also includes a support bar (205) and an upper chord bar (203). The upper end of the support bar (205) is fixedly connected to the upper chord bar (203). The support bar (205) is fixedly connected to the horizontal bar (204). The lower end of the support bar (205) protrudes from the lower end face of the lower chord bar (201). The lower end face of the support bar (205) is in contact with the upper end face of the base plate (1). The steel truss (2) also includes web reinforcement bars (202), which are wavy. The upper chord reinforcement bars (203) are fixedly connected to the two lower chord reinforcement bars (201) through the two web reinforcement bars (202).

3. The easily assembled steel truss (2) floor decking according to claim 2, characterized in that: The lower end of the web reinforcement (202) is horizontally arranged, and a rib is provided between the lower end of the web reinforcement (202) and the bottom plate (1).

4. The easily assembled steel truss (2) floor decking according to claim 1, characterized in that: The number of connecting plates is two, namely a first connecting plate (301) and a second connecting plate (302), and the number of positioning grooves is two, namely a first positioning groove (30101) and a second positioning groove (30201). The first connecting plate (301) is provided with a first positioning groove (30101), and the second connecting plate (302) is provided with a second positioning groove (30201). The first connecting plate (301) is movably connected to the second connecting plate (302), and a nut (304) is fixed on the second connecting plate (302).

5. A steel truss (2) floor decking that is easy to assemble according to claim 4, characterized in that: The first connecting plate (301) has a first positioning groove (30101) at one end and a strip-shaped through hole (30102) at the other end; The second connecting plate (302) has a second positioning groove (30201) at one end and a second through hole (30202) at the other end. The nut (304) is positioned corresponding to the second through hole (30202). The bolt passes through the first through hole, the strip through hole (30102), and the second through hole (30202) in one go and is then threadedly connected to the nut (304). The second connecting plate (302) is bent downward at one end near the second through hole (30202) to form a sliding column (30203), which is installed on the inside of the strip-shaped through hole (30102).

6. A steel truss (2) floor decking that is easy to assemble according to claim 5, characterized in that: A baffle (30204) is fixed at the bottom of the sliding column (30203). The width of the baffle (30204) is greater than the width of the strip-shaped through hole (30102). The distance between the baffle (30204) and the second connecting plate (302) matches the thickness of the second connecting plate (302).

7. A steel truss (2) floor decking that is easy to assemble according to claim 6, characterized in that: The thickness of the sliding column (30203) is less than the width of the strip-shaped through hole (30102).

8. A steel truss (2) floor decking that is easy to assemble according to claim 5, characterized in that: Both the first positioning groove (30101) and the second positioning groove (30201) are inverted V-shaped structures.

9. A steel truss (2) floor decking that is easy to assemble according to claim 1, characterized in that: The base plate (1) has a mounting boss (101) fixed at one end and a mounting groove (103) matching the mounting boss (101) at the other end. A positioning post (105) is fixed at the bottom of the mounting groove (103). A positioning hole (102) matching the positioning post (105) is opened on the mounting boss (101). The positioning post (105) is located inside the positioning hole (102).

10. A steel truss (2) floor decking that is easy to assemble according to claim 7, characterized in that: A sealing groove (104) is provided at the bottom end of the positioning groove near the mounting plate, which is set along the length of the positioning groove. A sealing gasket (4) is provided inside the sealing groove (104). The sealing gasket (4) is a cylindrical structure, and the diameter of the cylindrical structure is greater than the depth of the sealing groove (104).

Images