Steel bar truss building bearing plate

Abstract

A steel bar truss building bearing plate comprises a bottom die, a plurality of steel bar truss assemblies and a supporting structure arranged between the bottom die and the steel bar truss assemblies. Each steel bar truss assembly comprises a support vertical rib, a support horizontal rib perpendicularly and fixedly connected with the support vertical rib, a truss upper chord fixedly arranged on the top of the support vertical rib, two truss lower chords fixedly arranged on the support horizontal rib, and web member steel bars fixedly connected between the truss upper chord and the truss lower chords on the corresponding side. A positioning reinforcing sleeve is arranged between the support vertical rib and the support horizontal rib, the positioning reinforcing sleeve comprises a vertical sleeve which is vertically arranged and a horizontal sleeve which is vertically and fixedly arranged on the inner side of the vertical sleeve, the support vertical rib is matched with an inner cavity of the vertical sleeve, and the support horizontal rib is matched with an inner cavity of the horizontal sleeve.

Description

Technical Field

[0001] The present application relates to the technical field of building construction, and in particular to a steel bar truss floor bearing plate. Background Art

[0002] With the continuous development of construction technology in the construction industry, traditional wooden formwork construction technology has gradually been eliminated. This technology requires a lot of material waste and manual construction of formwork frames. At the same time, the quality of steel bar binding in on-site operations is difficult to guarantee. PC composite floor slabs can replace traditional wooden formwork construction and are widely used in construction. However, PC composite floor slabs are thick and costly. Technical personnel in this field have developed steel truss floor decks to replace them. During the iterative process, the current steel truss floor decks also have certain technical problems.

[0003] The current steel truss usually includes an upper chord steel bar, two web steel bars and two lower chord steel bars, a support vertical bar and a support horizontal bar; one end of the web steel bar is connected to the upper chord steel bar, and the other end of the web steel bar is connected to the lower chord steel bar, while the upper chord steel bar is fixed to the top of the support vertical bar, and the lower chord steel bar is fixed to the support horizontal bar. The support vertical bar and the support horizontal bar are welded and fixed at the intersection, that is, the structure of the steel truss in a detachable steel truss floor deck and a combined cast-in-place floor construction method disclosed in publication number CN117090334A.

[0004] During the construction of the above structure, the vertical reinforcement of the support bears the support reaction force during the construction stage. The current method is to increase the diameter of the vertical reinforcement of the support to enhance its strength. This method increases the cost. Although the strength of the vertical reinforcement of the support is high, the weld connection between the vertical reinforcement of the support and the horizontal reinforcement of the support is not stable enough. Therefore, simply increasing the diameter of the vertical reinforcement of the support cannot fundamentally solve the above problem.

[0005] In view of this, technical personnel in this field need to improve the current steel truss floor deck to solve the above technical problems. Utility Model Content

[0006] The main purpose of the present application is to provide a steel truss floor bearing plate, which can solve the problem of structural instability caused by the support vertical reinforcement receiving the support reaction force during the construction process.

[0007] In order to achieve the above-mentioned objectives, in the first aspect, the present application provides a steel truss floor bearing plate, including a bottom formwork, several groups of steel truss assemblies and a supporting structure arranged between the bottom formwork and the steel truss assemblies, each group of the steel truss assemblies includes support vertical bars, support horizontal bars vertically fixedly connected to the support vertical bars, a truss upper chord fixedly arranged on the top of the support vertical bars, two truss lower chords fixedly arranged on the support horizontal bars, and web bars fixedly connected between the truss upper chord and the truss lower chord on the corresponding side, a positioning reinforcement sleeve is arranged between the support vertical bars and the support horizontal bars, the positioning reinforcement sleeve includes a vertically arranged vertical sleeve and a horizontal sleeve vertically fixedly arranged on the inner side of the vertical sleeve, the support vertical bars are adapted to the inner cavity of the vertical sleeve, and the support horizontal bars are adapted to the inner cavity of the horizontal sleeve.

[0008] As a further improvement, the upper chord of the truss and the vertical ribs of the support, the lower chord of the truss and the horizontal ribs of the support, the horizontal sleeve and the horizontal ribs of the support, and the vertical sleeve and the vertical ribs of the support are all welded and fixed.

[0009] A further improvement is that the height of the steel truss assembly is ≤100mm, the diameter of the support vertical reinforcement is ≥12mm, the diameter of the support horizontal reinforcement is ≥10mm, the height of the steel truss assembly is >100mm, the diameter of the support vertical reinforcement is ≥14mm, and the diameter of the support horizontal reinforcement is ≥12mm.

[0010] As a further improvement, upper connecting steel bars are fixedly connected between the upper chords of the trusses between adjacent steel bar truss assemblies, and lower connecting steel bars are fixedly connected between the lower chords of the trusses.

[0011] A further improvement is that the diameter of the upper connecting steel bar and the lower connecting steel bar is ≥10 mm, and the length is ≥300 mm.

[0012] A further improvement is that the horizontal sleeve and the vertical sleeve are formed in one piece.

[0013] A further improvement is that the lower end of the vertical sleeve abuts against the bottom mold.

[0014] A further improvement is that the support structure includes support columns equidistantly fixed on the bottom form, the support columns are Y-shaped, and the bottom of the web reinforcement is located at the top of the support columns.

[0015] The utility model provides a steel truss floor bearing plate, which has the beneficial effect compared with the prior art, by adding a positioning reinforcement sleeve, which adopts a combination of an integrally formed vertical sleeve and a horizontal sleeve, and adds support vertical reinforcements and support horizontal reinforcements, which are respectively welded and fixed to the positioning reinforcement sleeve, thereby improving the connection strength between the two. In addition, after the bottom surface of the vertical sleeve contacts the bottom mold, the support reaction force during the construction process will not be directly applied to the support vertical reinforcement, thereby increasing the stability of the structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings constituting a part of this application are used to provide a further understanding of this application, so that other features, purposes and advantages of this application become more obvious. The schematic embodiment drawings and their descriptions of this application are used to explain this application and do not constitute an improper limitation on this application. In the drawings:

[0017] Figure 1 It is the main view of the steel bar truss assembly;

[0018] Figure 2 It is a schematic diagram of the installation of the steel bar truss assembly and the bottom formwork;

[0019] Figure 3 is a side view of the steel truss assembly;

[0020] Figure 4 It is a stereogram of the positioning reinforcement sleeve;

[0021] Figure 5 It is a top view of the positioning reinforcement sleeve.

[0022] Among them: 1. Bottom formwork; 2. Support column; 3. Support vertical reinforcement; 4. Support horizontal reinforcement; 5. Vertical sleeve; 6. Horizontal sleeve; 7. Truss upper chord; 8. Truss lower chord; 9. Web member reinforcement; 10. Upper connecting reinforcement; 11. Lower connecting reinforcement. DETAILED DESCRIPTION

[0023] In order to enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work should fall within the scope of protection of the present application.

[0024] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequential order. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present application described here. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device comprising a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0025] In the present application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.

[0026] In addition, some of the above terms may be used to express other meanings in addition to indicating orientation or positional relationship. For example, the term "on" may also be used to express a certain dependency or connection relationship in some cases. For those of ordinary skill in the art, the specific meanings of these terms in this application can be understood according to specific circumstances.

[0027] In addition, the term "plurality" shall mean two or more.

[0028] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0029] like Figure 1-Figure 5As shown, a steel bar truss floor bearing plate includes a bottom formwork 1, several groups of steel bar truss assemblies and a supporting structure arranged between the bottom formwork 1 and the steel bar truss assemblies, each group of the steel bar truss assemblies includes support vertical bars 3, support horizontal bars 4 vertically fixedly connected to the support vertical bars 3, a truss upper chord 7 fixedly arranged on the top of the support vertical bars 3, two truss lower chords 8 fixedly arranged on the support horizontal bars 4, and a web bar 9 fixedly connected between the truss upper chord 7 and the truss lower chord 8 on the corresponding side. A positioning reinforcement sleeve is arranged between the support vertical bars 3 and the support horizontal bars 4, and the positioning reinforcement sleeve includes a vertically arranged vertical sleeve 5 and a horizontal sleeve 6 vertically fixedly arranged on the inner side of the vertical sleeve 5, the support vertical bars 3 are adapted to the inner cavity of the vertical sleeve 5, and the support horizontal bars 4 are adapted to the inner cavity of the horizontal sleeve 6.

[0030] Preferably, the horizontal sleeve 6 is formed integrally with the vertical sleeve 5. The support vertical ribs 3 and the support horizontal ribs 4 are welded to the positioning reinforcement sleeves respectively, replacing the original welding of the support vertical ribs 3 directly to the support horizontal ribs 4, increasing the number of welding points and making the connection more stable.

[0031] Specifically, during construction, the support vertical reinforcement 3 is first inserted into the vertical sleeve 5, and then the support horizontal reinforcement 4 is inserted into the horizontal sleeve 6 and then welded and fixed in sequence. Since the lower end of the vertical sleeve 5 is in conflict with the bottom mold 1, it not only ensures the accuracy of the position of the support vertical reinforcement 3 after installation, but also the support reaction force during the construction process will not directly act on the support vertical reinforcement 3. In addition, the positioning reinforcement tube improves the connection strength between the support horizontal reinforcement 4 and the support vertical reinforcement 3, which plays a good role in positioning and reinforcement.

[0032] In order to facilitate construction, the upper chord 7 of the truss and the vertical reinforcement 3 of the support, the lower chord 8 of the truss and the horizontal reinforcement 4 of the support, the horizontal sleeve 6 and the horizontal reinforcement 4 of the support, and the vertical sleeve 5 and the vertical reinforcement 3 of the support are all welded and fixed.

[0033] In order to ensure the overall strength of the steel truss, the height of the steel truss assembly is ≤100mm, the diameter of the support vertical reinforcement 3 is ≥12mm, the diameter of the support horizontal reinforcement 4 is ≥10mm, the height of the steel truss assembly is >100mm, the diameter of the support vertical reinforcement 3 is ≥14mm, and the diameter of the support horizontal reinforcement 4 is ≥12mm.

[0034] In order to further improve the overall strength, upper connecting steel bars 10 are fixedly connected between the upper chords 7 of the trusses between adjacent steel truss assemblies, and lower connecting steel bars 11 are fixedly connected between the lower chords 8 of the trusses. The diameters of the upper connecting steel bars 10 and the lower connecting steel bars 11 are ≥10mm, and the lengths are ≥300mm.

[0035] In order to ensure stability, the support structure includes support columns 2 equidistantly fixedly arranged on the bottom mold 1 , the support columns 2 are Y-shaped, and the bottom of the web reinforcement 9 is located at the top of the support column 2 .

[0036] The above description is only the preferred embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A steel truss floor bearing plate, comprising a bottom form, a plurality of groups of steel truss assemblies and a supporting structure arranged between the bottom form and the steel truss assemblies, each group of the steel truss assemblies comprising support vertical bars, support horizontal bars vertically fixedly connected to the support vertical bars, a truss upper chord fixedly arranged on the top of the support vertical bars, two truss lower chords fixedly arranged on the support horizontal bars, and a web bar fixedly connected between the truss upper chord and the truss lower chord on the corresponding side, characterized in that: A positioning reinforcement sleeve is arranged between the vertical ribs of the support and the horizontal ribs of the support, and the positioning reinforcement sleeve includes a vertically arranged vertical sleeve and a horizontal sleeve vertically fixedly arranged on the inner side of the vertical sleeve. The vertical ribs of the support are adapted to the inner cavity of the vertical sleeve, and the horizontal ribs of the support are adapted to the inner cavity of the horizontal sleeve.

2. A steel bar truss floor bearing plate as claimed in claim 1, characterized in that: The upper chord of the truss and the vertical ribs of the support, the lower chord of the truss and the horizontal ribs of the support, the horizontal sleeve and the horizontal ribs of the support, and the vertical sleeve and the vertical ribs of the support are all welded and fixed.

3. A steel bar truss floor bearing plate as claimed in claim 1, characterized in that: The height of the steel truss assembly is ≤100mm, the diameter of the support vertical reinforcement is ≥12mm, the diameter of the support horizontal reinforcement is ≥10mm, the height of the steel truss assembly is >100mm, the diameter of the support vertical reinforcement is ≥14mm, and the diameter of the support horizontal reinforcement is ≥12mm.

4. A steel bar truss floor bearing plate as claimed in claim 1, characterized in that: Upper connecting steel bars are fixedly connected between the upper chords of the trusses between adjacent steel bar truss assemblies, and lower connecting steel bars are fixedly connected between the lower chords of the trusses.

5. A steel bar truss floor bearing plate as claimed in claim 4, characterized in that: The diameter of the upper connecting steel bar and the lower connecting steel bar is ≥10mm, and the length is ≥300mm.

6. The steel bar truss floor bearing plate according to claim 1, characterized in that: The horizontal sleeve and the vertical sleeve are formed in one piece.

7. The steel bar truss floor bearing plate according to claim 1, characterized in that: The lower end of the vertical sleeve is in conflict with the bottom mold.

8. The steel bar truss floor bearing plate according to claim 1, characterized in that: The support structure comprises support columns which are fixedly arranged on the bottom form at equal distances, the support columns are Y-shaped, and the bottom of the web reinforcement is located at the top of the support columns.

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