Detachable steel bar truss floor support plate system

Abstract

The utility model discloses a detachable steel bar truss floor support plate system, which relates to the technical field of building construction, and comprises a bottom die, a support, a steel bar truss and a bolt, the support is fixed on the bottom die, a first socket, a second socket and a bayonet are arranged on the support, the bayonet is arranged between the first socket and the second socket, and the bolt is inserted into the first socket and the second socket. The plug pin is sequentially inserted into the first inserting opening and the second inserting opening, a fixing area is formed between the plug pin and the clamping opening, and one end of the steel bar truss is fixed in the fixing area. The detachable steel bar truss floor support plate system provided by the utility model is convenient and fast to install, the construction site strength and the transportation cost are reduced, the production efficiency is improved, the structure is stable and firm, the template weight is reduced, and the construction is lighter and quicker.

Description

Technical Field

[0001] The utility model relates to the technical field of building construction, in particular to a detachable steel bar truss floor deck system for assembled buildings. Background Art

[0002] The steel truss floor deck is made by welding the upper and lower longitudinal steel bars (i.e., the upper and lower chords) with the bent small-diameter steel bars (i.e., the web bars) to form a small truss with a certain rigidity and load-bearing capacity, and then welding the small truss to the corrugated steel plate, and then pouring concrete. Existing steel truss floor decks (such as the steel truss floor deck with a detachable bottom formwork disclosed in CN202311630092.7) have problems such as bulky formwork, inconvenient installation, and the truss steel bars are not firmly fixed to the base, so they are easy to slip and fall off.

[0003] Therefore, it is necessary to develop a new detachable steel truss floor deck system to facilitate installation and ensure structural stability. Utility Model Content

[0004] In view of the above-mentioned shortcomings that currently exist, the utility model provides a detachable steel truss floor deck system, which is easy to install, reduces the construction site strength and transportation costs, improves production efficiency, has a stable and reliable structure, reduces the weight of the formwork, and makes construction more convenient and quick.

[0005] In order to achieve the above object, the embodiment of the utility model adopts the following technical solution:

[0006] A detachable steel bar truss floor deck system comprises a bottom form, a support, a steel bar truss and a latch, wherein the support is fixed on the bottom form, the support is provided with a first socket, a second socket and a bayonet, the bayonet is arranged between the first socket and the second socket, the latch is inserted into the first socket and the second socket in sequence, a fixed area is formed between the latch and the bayonet, and one end of the steel bar truss is fixed in the fixed area.

[0007] According to one aspect of the utility model, the support includes a connecting body and a fixed body, which are fixed. The fixed body includes a first plug plate, a second plug plate, and a card plate. The card plate is arranged between the first plug plate and the second plug plate. The first socket is arranged on the first plug plate, the second socket is arranged on the second plug plate, and the card port is arranged on the card plate.

[0008] According to one aspect of the utility model, a clamping protrusion is provided on the latch, and the clamping protrusion is provided on one side of the first socket or the second socket.

[0009] According to one aspect of the utility model, the bayonet is V-shaped, the latch and the connecting body are both plate-shaped, and the connecting body, the fixing body and the latch are all made of galvanized material.

[0010] According to one aspect of the utility model, the first plug board is provided with a first raised section and a first recessed section, which are staggered to form a first socket between them, and the second plug board is provided with a second raised section and a second recessed section, which are staggered to form a second socket between them.

[0011] According to one aspect of the utility model, the first convex section and the second convex section are arranged opposite to each other in the same plane, and the first concave section and the second concave section are arranged opposite to each other in the same plane.

[0012] According to one aspect of the utility model, it also includes a sealing rubber strip, and the sealing rubber strip is fixed to the bottom mold.

[0013] According to one aspect of the utility model, it also includes a plastic pad, which is fixed between the support and the bottom mold.

[0014] According to one aspect of the utility model, the bottom mold is plate-shaped, hollow, and made of aluminum alloy.

[0015] According to one aspect of the utility model, the steel bar truss includes an upper chord steel bar, a web bar, and a lower chord steel bar, which are fixed in sequence, and the lower chord steel bar is fixed in a fixed area.

[0016] The advantages of the implementation of the utility model are as follows: during construction, the support is fixed on the bottom mold, and then the bottom of the steel truss is inserted into the bayonet, that is, into the fixed area, and then the pins are inserted into the first socket and the second socket in sequence, so that the bottom of the steel truss is locked and fixed in the fixed area between the pin and the bayonet, and then the concrete is covered on the steel truss, and finally the bottom mold is removed; in this way, the production process of this system can be adjusted to a factory automated support template combination, and the steel truss is placed and fixed with pins after the slab is laid on the construction site, which can effectively improve production efficiency, reduce the strength and difficulty of the construction site, and greatly reduce transportation costs; the pin-type installation method is more convenient and quick, and at the same time, it is more stable and reliable than the existing pull-tab support or buckle support fixing structure with slippage and falling off; this system is easy to disassemble and assemble, and meets the assembly rate requirements of prefabricated buildings. By setting a plastic pad, the utility model can also ensure that the metal part of the floor deck is not exposed after the demoulding is completed, that is, after the metal is removed from the mold, to prevent the metal from rusting after decoration and polluting the decoration appearance, and the structural design is more reasonable to ensure the construction quality. By setting up sealing rubber strips, this system can effectively ensure the seal between the templates and prevent the occurrence of exposed slurry. By setting the bayonet into a V shape, it is not only convenient to fix and position the truss reinforcement and install it, but also makes the structure more stable. By using galvanized materials for the supports and latches, the strength of this utility model is higher than that of the existing plastic supports and can better meet the process requirements. By using a hollow aluminum alloy special template for the bottom mold, this system can reduce the weight of the template while ensuring the strength of the template, making the construction lighter and faster. At the same time, the aluminum alloy material can increase the number of times the template is used. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0018] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0019] Figure 2 It is the front view of the utility model;

[0020] Figure 3 It is a left view of the utility model;

[0021] Figure 4 It is a top view of the utility model;

[0022] Figure 5 It is a bottom view of the utility model.

[0023] The names corresponding to the serial numbers in the figure are as follows:

[0024] 1. Bottom mold; 2. Support; 21. Connecting body; 22. Fixed body; 3. Steel truss; 31. Upper chord steel bar; 32. Web reinforcement; 33. Lower chord steel bar; 4. Latch; 41. Clamping protrusion; 5. First plug plate; 51. First protruding section; 52. First recessed section; 53. First socket; 6. Second plug plate; 61. Second protruding section; 62. Second recessed section; 63. Second socket; 7. Clamping plate; 71. Clamping socket; 8. Plastic pad; 9. Sealing rubber strip; 10. Self-tapping screw. DETAILED DESCRIPTION

[0025] 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, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in the field without making creative work are within the scope of protection of the utility model. In the description of the utility model, it should be noted that the orientation or position relationship indicated by the terms "top", "bottom", "one side", "the other side", "front", "back", "middle part", "inside", "top", "bottom" and the like is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the utility model.

[0026] Embodiment 1

[0027] like Figure 1-Figure 5As shown, a detachable steel bar truss floor deck system includes a group of bottom molds 1, a plurality of groups of supports 2, a plurality of groups of steel bar trusses 3, and a plurality of pins 4, wherein the supports 2 are fixed on the bottom mold 1. A group of supports 2 includes a connecting body 21 and a fixing body 22, which are integrally formed, or the two can be divided into two independent parts and then welded to form a whole; a plurality of fixing bodies 22 are evenly spaced and vertically fixed on the connecting body 21; in this embodiment, a group of supports 2 has two groups of fixing bodies 22 symmetrically fixed at both ends of the connecting body 21. A set of fixed bodies 22 includes a first plug plate 5, a second plug plate 6, and a clamping plate 7, which are integrally formed or can be divided into three independent parts for welding and assembly, and are in a concave shape as a whole; the first plug plate 5 and the second plug plate 6 are symmetrically arranged at the left and right ends of the clamping plate 7; the first plug plate 5 is provided with a first raised section 51 and a first recessed section 52, which are staggered front and back to form a first socket 53 between each other; the second plug plate 6 is provided with a second raised section 61 and a second recessed section 62, which are staggered front and back to form a second socket 63 between each other; the first raised section 51 and the second raised section 61 are in the same vertical plane, and are arranged opposite to each other; the first recessed section 52 and the second recessed section 62 are in the same vertical plane, and are arranged opposite to each other; the retaining hole 71 is arranged on the clamping plate 7. A latch 4 is provided on a set of fixed bodies 22; the latch 4 is inserted into the first socket 53 and the second socket 63 in sequence, and a fixed area is formed between the latch 4 and the bayonet 71, and the bottom end of the steel truss 3 is fixed in the fixed area. The steel truss 3 includes an upper chord steel bar 31, a web 32, and a lower chord steel bar 33, which are welded and fixed in sequence, and the web 32 is made of steel bars bent back and forth in a wavy shape; the number of lower chord steel bars 33 is adapted to the number of fixed bodies 22. In this embodiment, a set of steel trusses 3 includes an upper chord steel bar 31, two sets of web 32, and two lower chord steel bars 33. An upper chord steel bar 31 is welded to two lower chord steel bars 33 through two sets of web 32 to form a tripod shape; the lower chord steel bar 33 is inserted into the bayonet 71 and then locked by the latch, so as to be fixed in the fixed area.

[0028] In this embodiment, the latch 4 is plate-shaped and has a right-angle trapezoidal shape as a whole. A circular arc surface is provided at the bottom of the latch 4; when the lower chord steel bar 33 is inserted into the fixed area between the latch 4 and the bayonet 71, the circular arc surface is located at the upper side of the lower chord steel bar 33; in this way, the lower chord steel bar 33 can be fixed and locked more firmly, and the structural design is more reasonable. A clamping protrusion 41 is provided on the latch 4, which is pyramidal or hemispherical; when the latch 4 is inserted into the first socket 53 and the second socket 63 in turn, the clamping protrusion 41 is located on the side of the first socket 53 or the second socket 63, or on the side of the first protrusion section 51 or the second protrusion section 61; in this way, the latch 4 can be locked and the structural stability can be enhanced. This is a conventional technology and will not be described in detail.

[0029] In this embodiment, the slot 71 is V-shaped, so when the lower chord steel bar 33 is placed in the slot 71, it is convenient to fix and position the lower chord steel bar 33. At the same time, the V-shaped structure design cooperates with the pin 4 to make the structure more stable and make the lower chord steel bar 33 (or the entire steel bar truss 3) be fixed more firmly.

[0030] In this embodiment, the connection body 21 is plate-shaped and has threaded holes at both ends. Self-tapping screws 10 are used to pass through the bottom mold 1 and the threaded holes in sequence, thereby fixing the connection body 21 (or the entire support 2) on the bottom mold 1.

[0031] In practical applications, the steel truss 3 (upper chord steel bars 31, web bars 32, lower chord steel bars 33) is prior art and will not be described in detail.

[0032] The working principle or construction process of this embodiment is as follows: during construction, the support 2 is fixed on the bottom form 1, and then the lower chord steel bar 33 at the bottom of the steel truss 3 is inserted into the slot 71, that is, into the fixed area, and then the latch 4 is inserted into the first socket 53 and the second socket 63 in sequence, so that the lower chord steel bar 33 or the entire steel truss 3 is locked and fixed in the fixed area between the latch 4 and the slot 71, and then the steel truss 3 is covered with concrete, and finally the bottom form 1 is removed. Before covering with concrete, the steel truss 3 can be installed and fixed directly in the factory, and then transported to the construction site for the final process; the steel truss 3 can also be placed after the slab is laid on the construction site and then fixed with the latch 4; it can be flexibly adjusted and used to improve construction efficiency and reduce construction difficulty.

[0033] The beneficial effects of this embodiment are: the production process of this system can be adjusted to a factory automated support 2 template combination, and the steel truss 3 is placed after the planking is laid on the construction site and fixed with the latch 4, which can effectively improve production efficiency, reduce the intensity and difficulty of the construction site, and greatly reduce transportation costs; the latch-type installation method is more convenient and quick, and at the same time, it is more stable and reliable than the existing pull-tab support 2 or snap-on support 2 fixing structure that has the phenomenon of slippage and falling off; this system is easy to disassemble and assemble, and meets the assembly rate requirements of prefabricated buildings.

[0034] Embodiment 2

[0035] The difference between this embodiment and the first embodiment is that the detachable steel bar truss floor deck system further includes a plastic pad 8 , and the plastic pad 8 is fixed between the connecting body 21 and the bottom form 1 .

[0036] In this embodiment, a set of supports 2 is provided with a plastic pad 8 at both ends thereof; the plastic pad 8 is fixed to the bottom of the connecting body 21 by gluing or fasteners such as screws.

[0037] The beneficial effect of this embodiment is that by setting the plastic pad 8, the utility model can also ensure that the metal part of the floor decking is not exposed after the construction is completed, that is, after the demoulding is removed, so as to prevent the metal from rusting after decoration and polluting the decoration appearance. The structural design is more reasonable and the construction quality is guaranteed.

[0038] Embodiment 3

[0039] The difference between this embodiment and the first embodiment is that the support 2 (connecting body 21, fixing body 22) and the latch 4 are all made of galvanized material.

[0040] The beneficial effect of this embodiment is that by using galvanized material for the support 2 and the latch 4, the strength of the present invention is higher than that of the existing plastic support and can better meet the process requirements.

[0041] Embodiment 4

[0042] The difference between this embodiment and the first embodiment is that the bottom mold 1 is plate-shaped, hollow, and made of aluminum alloy.

[0043] In this embodiment, the bottom mold 1 is a special hollow aluminum alloy mold plate, which can be made of two upper and lower parallel plates that are welded together through a plurality of plates or pipes in the middle.

[0044] In this embodiment, the system further comprises sealing rubber strips 9 , which are fixed on both sides of the bottom mold 1 to ensure the sealing of the bottom mold 1 .

[0045] The beneficial effects of this embodiment are: the use of hollow aluminum alloy special formwork, through the hollow design, reduces the weight of the formwork while ensuring the strength of the formwork, making the construction lighter and faster, and the aluminum alloy material can increase the number of times the formwork is used; by setting the sealing rubber strip 9, the system can effectively ensure the sealing between the formworks, prevent the occurrence of slurry exposure, and ensure the construction quality.

[0046] Advantages of the utility model:

[0047] 1. Easy disassembly and assembly, reducing construction site intensity and transportation costs, and improving production efficiency;

[0048] 2. The structure is stable and reliable, and the strength is high to meet the process requirements;

[0049] 3. The weight of the formwork is reduced, making the construction easier and faster.

[0050] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any changes or substitutions that can be easily thought of by any technician familiar with the technical field within the technical scope disclosed in the utility model should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model shall be based on the protection scope of the claims.

Claims

1. A detachable steel bar truss floor deck system, comprising a bottom form (1), a support (2), a steel bar truss (3), and a latch (4), wherein the support (2) is fixed on the bottom form (1), and is characterized in that: The support (2) is provided with a first socket (53), a second socket (63), and a bayonet (71); the bayonet (71) is provided between the first socket (53) and the second socket (63); the latch (4) is inserted into the first socket (53) and the second socket (63) in sequence; a fixed area is formed between the latch (4) and the bayonet (71); and one end of the steel bar truss (3) is fixed in the fixed area.

2. The detachable steel truss floor deck system according to claim 1 is characterized in that: The support (2) comprises a connecting body (21) and a fixing body (22), the two being fixed, the fixing body (22) comprising a first plug board (5), a second plug board (6), and a clamping plate (7), the clamping plate (7) being arranged between the first plug board (5) and the second plug board (6), the first socket (53) being arranged on the first plug board (5), the second socket (63) being arranged on the second plug board (6), and the clamping port (71) being arranged on the clamping plate (7).

3. The detachable steel truss floor deck system according to claim 2 is characterized in that: The latch pin (4) is provided with a clamping protrusion (41), and the clamping protrusion (41) is arranged on one side of the first socket (53) or the second socket (63).

4. The detachable steel truss floor deck system according to claim 2, characterized in that: The bayonet (71) is V-shaped, the latch (4) and the connecting body (21) are both plate-shaped, and the connecting body (21), the fixing body (22) and the latch (4) are all made of galvanized material.

5. The detachable steel truss floor deck system according to claim 2 is characterized in that: The first plug plate (5) is provided with a first raised section (51) and a first recessed section (52), which are arranged alternately to form a first socket (53) therebetween, and the second plug plate (6) is provided with a second raised section (61) and a second recessed section (62), which are arranged alternately to form a second socket (63) therebetween.

6. The detachable steel truss floor deck system according to claim 5, characterized in that: The first convex section (51) and the second convex section (61) are arranged coplanarly and opposite to each other, and the first concave section (52) and the second concave section (62) are arranged coplanarly and opposite to each other.

7. The detachable steel truss floor deck system according to claim 1, characterized in that: It also comprises a sealing rubber strip (9), wherein the sealing rubber strip (9) is fixed to the bottom mold (1).

8. The detachable steel bar truss floor deck system according to claim 7, characterized in that: It also comprises a plastic pad (8), wherein the plastic pad (8) is fixed between the support (2) and the bottom mold (1).

9. The detachable steel truss floor deck system according to claim 1, characterized in that: The bottom mold (1) is plate-shaped, hollow, and made of aluminum alloy.

10. The detachable steel truss floor deck system according to claim 1, characterized in that: The steel bar truss (3) comprises an upper chord steel bar (31), a web bar (32), and a lower chord steel bar (33), which are fixed in sequence, and the lower chord steel bar (33) is fixed in a fixed area.

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