Clamping type steel bar truss floor support plate

By using a snap-fit ​​steel truss floor slab, the steel truss and bottom formwork can be detachably connected using connecting and rotating components. This solves the problems of complex operation and inconvenient transportation in existing technologies, and improves construction efficiency and on-site operation convenience.

CN223446464UActive Publication Date: 2025-10-17ZHEJIANG QUZHOU NANYI BUILDING MATERIALS TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202422744335.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-12
Publication Date
2025-10-17
Estimated Expiration
2034-11-12

AI Technical Summary

Technical Problem

The existing prefabricated steel truss floor decking requires manual breaking of welds after concrete pouring, which is complicated, labor-intensive, and not conducive to on-site transportation.

Method used

The design employs a snap-fit ​​structure, enabling detachable connection between the steel truss and the bottom formwork through connecting and rotating components. This reduces the amount of welding required. Fixed bolts and wing nuts facilitate the removal of the bottom formwork, while bidirectional screws drive the snap-fit ​​plate to slide and fix the steel reinforcement, simplifying the assembly and disassembly process.

Benefits of technology

It improved construction efficiency, simplified the assembly and dismantling process of the bottom formwork, facilitated on-site transportation, and reduced labor intensity.

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Abstract

The utility model relates to the technical field of steel bar truss floor bearing plates, and discloses a clamping type steel bar truss floor bearing plate which comprises a bottom formwork, the upper portion of the bottom formwork is connected with a plurality of bases through connecting assemblies, the upper portion of each base is connected with two clamping plates in a sliding mode, the lower portions of the clamping plates are fixedly connected with sliding blocks, and the sliding blocks are fixedly connected with the bottom formwork. A sliding groove is formed in the base, the sliding block slides in the sliding groove through a rotating assembly, a lower chord steel bar is movably connected to the interior of the buckle plate, a transverse steel bar is fixedly connected to the end of the lower chord steel bar, and a plurality of abdomen steel bars are fixedly connected to the middle of the lower chord steel bar. The lower portion of the middle of the belly steel bar is fixedly connected with an upper chord steel bar. According to the utility model, the bottom template and the steel bar base are connected through the fixing bolts, so that the bottom template is convenient to dismantle, the construction efficiency is improved, and the steel bar truss can be convenient to dismantle and transfer in the construction process through the sliding buckle plate.
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Description

TECHNICAL FIELD

[0001] The utility model relates to steel bar truss floor support plate technical field especially relates to a steel bar truss floor support plate of clamping type. BACKGROUND

[0002] Steel bar truss floor support plate is by steel bar truss assembly and bottom die steel sheet composition, has fixed structure and assembly structure two, wherein fixed structure is steel bar truss assembly and bottom die steel sheet welding into whole, does not need to disassemble after using, assembly structure is by steel bar truss assembly and bottom die steel sheet movable connection and become, need to disassemble bottom die steel sheet after using, can carry out secondary use, has certain environmental protection effect.

[0003] However, the existing assembly type steel bar truss floor support plate is mostly welded, after pouring concrete, the welding point between the steel bar truss and the aluminum formwork needs to be manually destroyed, the galvanized formwork supporting the concrete is taken down, the operation is complex, the labor intensity is large, and the floor support plate after welding is not conducive to on-site transfer, for this technical problem, the present application provides a steel bar truss floor support plate of clamping type. UTILITY MODEL CONTENT

[0004] The utility model discloses a steel bar truss floor support plate of clamping type, which is convenient for assembling the steel bar truss and the bottom die plate, convenient for on-site transportation and transfer, and easy to disassemble the bottom die plate after pouring concrete, thereby improving the efficiency of on-site construction.

[0005] To achieve the above object, the utility model provides the following technical scheme: a steel bar truss floor support plate of clamping type, comprising a bottom die plate, a plurality of bases are connected to the upper part of the bottom die plate through a connecting assembly, two buckle plates are slidingly connected to the upper part of the base, a sliding block is fixedly connected to the lower part of the buckle plate, a sliding groove is formed in the inside of the base, the sliding block slides in the sliding groove through a rotating assembly, a lower chord steel bar is movably connected to the inside of the buckle plate, a horizontal steel bar is fixedly connected to the end of the lower chord steel bar, a plurality of abdominal steel bars are fixedly connected to the middle part of the lower chord steel bar, and an upper chord steel bar is fixedly connected to the middle lower part of the abdominal steel bar.

[0006] Further, a plurality of positioning blocks are fixedly connected to the upper part of the bottom die plate, positioning grooves are formed in the lower part of the base, and the inner wall of the positioning groove is tightly attached to the outer wall of the positioning block.

[0007] Further, a clamping ball is movably connected to the inside of the positioning block, a groove is formed in the inside of the positioning groove, the outer wall of the clamping ball is embedded in the groove of the positioning groove, and a spring is installed in the inside of the clamping ball.

[0008] Further, the connecting assembly comprises a fixing bolt rotationally connected to the middle portion of the bottom template, the upper end of the fixing bolt is fixedly connected with a clamping tooth, the outer portion of the fixing bolt is threadedly connected with a wing nut, and the wing nut is located on the lower side of the bottom template.

[0009] Further, the connecting assembly further comprises a bolt slot opened in the middle lower portion of the base, and the interior of the bolt slot is fixedly connected with a limiting block.

[0010] Further, the rotating assembly comprises a bidirectional screw rod threadedly connected to the interior of the sliding block, the bidirectional screw rod is rotationally connected in the sliding groove of the base, and the left end of the bidirectional screw rod is fixedly connected with a hexagon nut.

[0011] Further, the lower left and right ends of the bottom template are fixedly connected with a plurality of fixing ears, and the outer portion of the fixing ear is slidably connected with a connecting clamp.

[0012] Further, the left and right ends of the bottom template are provided as L-shaped, and the adjacent two bottom templates can be clamped together.

[0013] The utility model has the advantages of the following beneficial effects:

[0014] 1. In the utility model, the bottom template and the steel reinforcement base are connected through the fixing bolt, the welding amount between the steel truss and the bottom template is reduced, after the concrete pouring is completed, the steel reinforcement base can be separated from the bottom template by rotating the fixing bolt, the bottom template is convenient to disassemble, the construction efficiency is improved, the bottom template and the bottom template can be fixed through the connecting clamp, the welding amount during the assembly of the bottom template is reduced, and the efficiency of the assembly and disassembly of the bottom template is greatly improved.

[0015] 2. In the utility model, the two clamping plates are driven to slide on the base through the bidirectional bolt rotation, the lower chord steel reinforcement is convenient to fix and loosen, the assembly and disassembly of the steel truss and the bottom template are facilitated, the transfer of the steel truss floor slab is facilitated, and the assembly efficiency of the steel truss floor slab during construction is improved. DRAWINGS

[0016] Figure 1 It is an overall schematic view of the clamping type steel truss floor slab;

[0017] Figure 2 It is a schematic view of the bottom template of the clamping type steel truss floor slab;

[0018] Figure 3 It is a sectional view of the base of the clamping type steel truss floor slab;

[0019] Figure 4The utility model provides a positioning block section view schematic drawing of steel bar truss floor support plate of clamping type.

[0020] Legend:

[0021] 1, bottom mould board; 2, base; 3, buckle plate; 4, lower chord steel bar; 5, transverse steel bar; 6, upper chord steel bar; 7, web steel bar; 8, fixed lug; 9, fixed bolt; 10, butterfly nut; 11, hexagon nut; 12, connecting card; 13, clamping tooth; 14, positioning block; 15, sliding block; 16, bidirectional screw rod; 17, bolt groove; 18, limiting block; 19, positioning groove; 20, clamping bead; 21, spring. Specific implementation

[0022] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0023] Reference Figures 1-3 The utility model provides an embodiment: a steel bar truss floor support plate of clamping type, including bottom mould board 1, the upper portion of bottom mould board 1 is installed with a plurality of bases 2, the upper portion of bottom mould board 1 is fixedly connected with a plurality of positioning blocks 14, referring to Figure 4 , the inside movable joint of positioning block 14 has clamping bead 20, the inside installation of clamping bead 20 has spring 21, the lower left and right ends of base 2 are all provided with positioning groove 19, the inside of positioning groove 19 is provided with recess, the outer wall of clamping bead 20 can be embedded in the recess in positioning groove 19, the middle portion of bottom mould board 1 is rotatably connected with fixed bolt 9, the upper end of fixed bolt 9 is fixedly connected with clamping tooth 13, the outside of fixed bolt 9 is threadedly connected with butterfly nut 10, butterfly nut 10 is located at the lower side of bottom mould board 1, the middle lower portion of base 2 is provided with bolt groove 17, the upper end of fixed bolt 9 is movably connected in bolt groove 17, the inside of bolt groove 17 is fixedly connected with limiting block 18, the upper portion of base 2 is slidably connected with two buckle plates 3, the inside movable joint of buckle plate 3 has lower chord steel bar 4, the end of lower chord steel bar 4 is fixedly connected with transverse steel bar 5, the middle portion of lower chord steel bar 4 is fixedly connected with a plurality of web steel bars 7, the middle lower portion of web steel bar 7 is fixedly connected with upper chord steel bar 6.

[0024] Specifically, during construction, the positioning groove 19 of the base 2 is clamped on the positioning block 14 on the bottom formwork 1, the clamping bead 20 on the positioning block 14 is clamped into the groove inside the positioning groove 19 under the action of the spring 21, then the fixing bolt 9 is inserted into the bolt groove 17 under the base 2, the fixing bolt 9 is rotated clockwise, the clamping teeth 13 on the upper end of the fixing bolt 9 are in contact with the limiting block 18, at this time, the fixing bolt 9 will not rotate, the wing nut 10 is rotated, until the base 2 is tightly fixed on the bottom formwork 1, then the steel bar truss is installed in the buckle plate 3, at this time, the steel bar truss floor slab construction is completed, and the concrete pouring can be carried out, when the concrete pouring is completed, and demolding is needed, only the wing nut 10 is reversely rotated, when the fixing bolt 9 is loosened, the fixing bolt 9 is extracted from the bolt groove 17 by counterclockwise rotation, and then the bottom formwork 1 and the base 2 are separated, so that the bottom formwork 1 is removed.

[0025] With reference to Figure 1 , the left and right ends of the bottom formwork 1 are provided in an L shape, facilitating the overlapping assembly of the two bottom formworks 1, and the left and right ends of the lower part of the bottom formwork 1 are fixedly connected with a plurality of fixing ears 8, and the outside of the fixing ear 8 is slidingly connected with a connecting clamp 12, when the two bottom formworks 1 are assembled together, the fixing ears 8 of the lower parts of the two bottom formworks 1 are fitted together, at this time, the connecting clamp 12 is sleeved into the fixing ear 8, and then the two bottom formworks 1 are combined together, which is convenient and fast, and greatly improves the assembly efficiency of the bottom formwork 1.

[0026] With reference to Figure 1 and Figure 3 , the lower part of the buckle plate 3 is fixedly connected with a sliding block 15, the inside of the sliding block 15 is threadedly connected with a bidirectional screw rod 16, the bidirectional screw rod 16 is rotatably connected in the sliding groove, and the end of the bidirectional screw rod 16 is fixedly connected with a hexagonal nut 11, when the lower chord steel bar 4 of the steel bar truss is clamped in the buckle plate 3, the hexagonal nut 11 is rotated, the hexagonal nut 11 drives the bidirectional screw rod 16 to rotate, thereby driving the sliding block 15 to slide towards each other, so that the buckle plate 3 clamps the lower chord steel bar 4 tightly, when the steel bar truss needs to be removed, the hexagonal nut 11 is reversely rotated, so that the two buckle plates 3 slide away from each other, and then the steel bar truss is taken out from the buckle plate 3.

[0027] Working principle: during construction, the bottom formwork 1 can be installed on the support first, then the base 2 is clamped on the bottom formwork 1 according to the position of the positioning block 14 on the bottom formwork 1, the fixing bolt 9 is inserted into the bolt groove 17 in the base 2, the fixing bolt 9 is rotated clockwise, the clamping teeth 13 on the upper part of the fixing bolt 9 is in contact with the limiting block 18 in the bolt groove 17, then the wing nut 10 is rotated, the wing nut 10 clamps the base 2 and the bottom formwork 1, then the hexagonal nut 11 on the base 2 is rotated, the clamping plate 3 is slid away, the lower chord steel bar 4 of the steel bar truss is clamped into the clamping plate 3, then the hexagonal nut 11 is rotated reversely, the clamping plate 3 clamps the lower chord steel bar 4, at this time, the whole floor support plate assembly is completed, after the concrete is poured, the wing nut 10 is rotated reversely, the fixing bolt 9 is loosened, the fixing bolt 9 is rotated counterclockwise by 90 degrees, then the fixing bolt 9 is pulled out from the base 2, the bottom formwork 1 is pried, then the bottom formwork 1 is separated from the concrete plate, which is convenient and fast, and the efficiency of the on-site construction formwork assembly and disassembly is improved.

[0028] Finally, it should be pointed out that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. that is made within the spirit and principles of the utility model, should be contained in the protection scope of the utility model.

Claims

1. A clip-on steel truss floor deck, characterized by: The invention comprises a bottom template (1), wherein the upper part of the bottom template (1) is connected to a plurality of bases (2) through a connecting assembly, the upper part of each base (2) is slidably connected to two snap plates (3), the lower part of the snap plates (3) is fixedly connected to a slider (15), a slide groove is provided inside the base (2), the slider (15) slides in the slide groove through a rotating assembly, the interior of the snap plates (3) is movably connected to a lower chord steel bar (4), the end of the lower chord steel bar (4) is fixedly connected to a transverse steel bar (5), and the middle part of the lower chord steel bar (4) is fixedly connected to a plurality of webs. The web reinforcement (7) is fixedly connected to the upper chord reinforcement (6) at the middle lower part of the web reinforcement (7), the connection assembly includes a fixing bolt (9) rotatably connected to the middle part of the bottom template (1), the upper end of the fixing bolt (9) is fixedly connected to a latch tooth (13), the external thread of the fixing bolt (9) is connected to a butterfly nut (10), and the butterfly nut (10) is located on the lower side of the bottom template (1), the connection assembly also includes a bolt groove (17) opened at the middle lower part of the base (2), and the interior of the bolt groove (17) is fixedly connected to a limit block (18).

2. The clip-on steel truss floor deck according to claim 1, characterized in that: The upper portion of the bottom template (1) is fixedly connected to a plurality of positioning blocks (14), and the left and right ends of the lower portion of the base (2) are both provided with positioning grooves (19), and the inner walls of the positioning grooves (19) are in close contact with the outer walls of the positioning blocks (14).

3. The clip-on steel bar truss floor deck according to claim 2, characterized in that: The positioning block (14) is movably connected with a card bead (20), the positioning groove (19) is provided with a groove, the outer wall of the card bead (20) is embedded in the groove of the positioning groove (19), and the card bead (20) is installed with a spring (21).

4. The clip-on steel bar truss floor deck according to claim 1, characterized in that: The rotating assembly includes a bidirectional screw (16) connected to the internal thread of the slider (15), the bidirectional screw (16) is rotatably connected in the sliding groove of the base (2), and the left end of the bidirectional screw (16) is fixedly connected to a hexagonal nut (11).

5. The clip-on steel bar truss floor deck according to claim 1, characterized in that: A plurality of fixing ears (8) are fixedly connected to both left and right ends of the lower portion of the bottom template (1), and a connecting card (12) is slidably connected to the outside of the fixing ears (8).

6. The clip-on steel bar truss floor deck according to claim 1, characterized in that: The left and right ends of the bottom template (1) are both arranged in an L shape, and two adjacent bottom templates (1) can be snap-connected together.