Ribbed floor steel bar positioning and reinforcing device

Abstract

The utility model discloses a kind of dense rib floor steel bar positioning reinforcing devices, more specifically in steel bar positioning reinforcing technical field, including bottom plate, the bottom plate upper end is equipped with support assembly, the support assembly is double-layer structure, is composed of top layer and bottom layer, its top layer and bottom plate inside are equipped with driving assembly, two the driving assembly outside are equipped with lifting assembly, two the lifting assembly is respectively placed in the top layer and bottom layer of support assembly, the bottom plate inner chamber and the support assembly inner chamber are equipped with driving assembly.The utility model can realize the height of adjusting steel bar by the driving assembly and lifting assembly of design, by rotating first knob and making threaded rod rotate, and then make sliding shell slide, and then adjust the height of steel bar, realize flexible adjustment in certain range, adapt different project design parameter, avoid the drawbacks that traditional fixed height support needs custom processing.

Description

Technical Field

[0001] This utility model relates to the field of building construction, and in particular to a device for positioning and reinforcing steel bars in ribbed floor slabs. Background Technology

[0002] Ribbed floor slabs are widely used in commercial buildings, industrial plants, and large-span public buildings due to their advantages such as light weight, high rigidity, large span, material saving, and high space utilization. Their structure consists of ribbed beams and a slab panel. The reinforcing steel is mainly distributed in the main reinforcement bars and stirrups of the ribbed beams and the bottom reinforcing steel mesh. The accuracy of the steel bar positioning directly affects the floor slab's load-bearing capacity, durability, and construction quality.

[0003] Existing rebar positioning and reinforcement devices typically have fixed support heights, making them difficult to adjust flexibly within a certain range. They cannot adapt to the design parameters of different projects and require custom manufacturing. Furthermore, they struggle to ensure precise alignment with the rebar positioning holes in precast formwork, easily leading to on-site cutting of the formwork or rebar, resulting in waste. Additionally, after formwork installation, if local elevation errors or spacing deviations are found during rebar tying, existing devices cannot resolve these issues through on-site fine-tuning, often requiring demolition and reconstruction, impacting construction efficiency. Therefore, we propose a rebar positioning and reinforcement device for ribbed slabs to address these problems. Utility Model Content

[0004] The purpose of this utility model is to provide a positioning and reinforcement device for ribbed floor slab reinforcement, so as to solve the above-mentioned problems in the prior art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a ribbed floor slab reinforcement positioning and strengthening device, comprising: a base plate, a support assembly installed on the upper end of the base plate, the support assembly having a double-layer structure consisting of a top layer and a bottom layer, a drive assembly provided inside both the top layer and the base plate, a lifting assembly provided outside both drive assemblies, the two lifting assemblies being respectively placed inside the top layer and the bottom layer of the support assembly, and a drive assembly installed in both the inner cavity of the base plate and the inner cavity of the support assembly.

[0006] In a preferred embodiment, the support assembly includes four support frames, all of which are mounted on the upper part of the base plate. The vertical portions of the four support frames are provided with mounting shells to divide the support frames into upper and lower sections, which are used to fix the reinforcing bars in the top and bottom layers of the support assembly respectively. The middle part of the base plate and the top of the mounting shells respectively have a first cavity and a second cavity.

[0007] In a preferred embodiment, the drive assembly includes a plurality of pulleys, with the lower pulleys and the upper pulleys respectively installed in a first cavity and a second cavity, and two pulleys on the same vertical plane corresponding to each other. A belt is installed on the outer surface of the pulleys on the same horizontal plane. A threaded rod is installed at the top center of the pulleys arranged in a rectangular pattern. A first knob is installed at the top center of two pulleys arranged in a separate row via a shaft.

[0008] In a preferred embodiment, the lifting assembly includes two sliding shells, with the upper and lower sliding shells respectively mounted on the outer surfaces of several threaded rods located on the same layer, and a second knob mounted on the right end of each of the two sliding shells.

[0009] In a preferred embodiment, clamps are provided on both the left and right sides of the arcuate portion of the inner wall of the two sliding shells. A double-axis threaded rod and a guide rod are provided at the top and bottom of the two clamps, respectively. The two double-axis threaded rods and the clamps are located in pairs in the inner cavities of the two sliding shells. One end of the two double-axis threaded rods extends through the sliding shell and connects to the second knob on the same side.

[0010] In a preferred embodiment, the tops of a plurality of threaded rods located at the bottom layer are mounted on the bottom of the mounting housing, and the lower and upper ends of a plurality of threaded rods located at the top are respectively mounted on the upper part of the bottom layer of the mounting housing and the lower part of the top layer of the mounting housing.

[0011] In a preferred embodiment, the left and right ends of the two biaxial threaded rods are respectively installed in the inner cavities of two sliding shells located on the same layer.

[0012] Compared with the prior art, this utility model has the following features and beneficial effects: This device, through its designed drive and lifting components, allows for the adjustment of the rebar height. Rotating the first knob causes the threaded rod to rotate, which in turn causes the sliding shell to slide, thus adjusting the rebar height. This allows for flexible adjustment within a certain range, adapting to the design parameters of different projects. It avoids the drawbacks of traditional fixed-height supports that require custom processing. Furthermore, real-time fine-tuning through height adjustment ensures precise alignment with the rebar positioning holes in the precast formwork, avoiding losses from on-site cutting of the formwork or rebar. Moreover, after the formwork is installed, if local elevation errors are found, or if spacing deviations are discovered during rebar tying, the rebar height can be fine-tuned on-site using the lifting device, avoiding demolition and reconstruction. Attached Figure Description

[0013] The present invention will now be described in further detail with reference to the accompanying drawings.

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram of the overall structure of this utility model from another perspective; Figure 3 This is a partial cross-sectional view of the structure of this utility model; Figure 4 This is a partial structural cross-sectional view of the present invention from another perspective; Figure 5 For the present utility model Figure 3 Enlarged diagram of point A in the middle.

[0015] Reference numerals: In the figure: 1-base plate, 2-support assembly, 3-drive assembly, 4-lifting assembly, 21-support frame, 22-mounting housing, 31-pulley, 32-belt, 33-threaded rod, 34-first knob, 41-sliding housing, 42-second knob, 421-dual-axis threaded rod, 422-guide rod, 423-clamp. Detailed Implementation

[0016] The technical solutions in the embodiments of this utility model will be clearly and completely described below. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0017] Example 1: See the examples. Figures 1 to 5 As shown, the present invention discloses a ribbed slab rebar positioning and reinforcement device, comprising a base plate 1, on which a support assembly 2 is installed. The support assembly 2 is a double-layer structure consisting of a top layer and a bottom layer. The support assembly 2 includes four support frames 21, all of which are installed on the top of the base plate 1. The vertical parts of the four support frames 21 are provided with mounting shells 22 to separate the support frames 21 vertically and vertically for fixing the rebars in the top layer and bottom layer of the support assembly 2 respectively. The middle part of the base plate 1 and the top of the mounting shell 22 respectively have a first cavity and a second cavity.

[0018] Both the top layer and the bottom plate 1 of the support assembly 2 are equipped with drive assemblies 3. The drive assembly 3 includes several pulleys 31. Several pulleys 31 located at the bottom and several pulleys 31 located at the top are respectively installed in the first cavity and the second cavity. Two pulleys 31 located on the same vertical plane correspond to each other. Several pulleys 31 located on the same horizontal plane have belts 32 installed on their outer surfaces. Several pulleys 31 distributed in a rectangular shape have threaded rods 33 installed at their top centers. Two pulleys 31 arranged in a separate row have first knobs 34 installed at their top centers through shafts. Several threaded rods 33 located at the bottom layer are installed at the bottom of the mounting shell 22. Several threaded rods 33 located at the top layer have their lower and upper ends installed at the upper part of the bottom layer and the lower part of the top layer of the mounting shell 22, respectively.

[0019] Both drive components 3 are equipped with lifting components 4 on their exteriors. The two lifting components 4 are respectively installed in the top and bottom layers of the support component 2. The lifting component 4 includes two sliding shells 41. The upper sliding shell 41 and the lower sliding shell 41 are respectively installed on the outer surface of several threaded rods 33 located on the same layer. A second knob 42 is installed on the right end of each of the two sliding shells 41.

[0020] The two sliding shells 41 have clamps 423 on both sides of the arc-shaped portion of the inner wall of the cavity. The top and bottom of the two clamps 423 are respectively provided with a double-axis threaded rod 421 and a guide rod 422. The two double-axis threaded rods 421 and the clamps 423 are located in pairs in the inner cavity of the two sliding shells 41. One end of the two double-axis threaded rods 421 extends through the sliding shell 41 and connects to the second knob 42 on the same side. The left and right ends of the two double-axis threaded rods 421 are respectively installed in the inner cavity of the two sliding shells 41 located on the same layer.

[0021] In the implementation of this utility model, the operator first passes the steel bar through the lifting assembly 4, and then the operator rotates the lifting assembly 4 to make the lifting assembly 4 clamp the steel bar, thereby achieving the effect of reinforcing the steel bar. Meanwhile, before tightening the reinforcing bars, if the heights of the reinforcing bars are not the same, the operator can rotate the drive component 3 to make the lifting component 4 slide, thereby adjusting the height of the reinforcing bars and aligning them. This achieves active alignment of the reinforcing bars. At the same time, by adjusting the height of the reinforcing bars, the device can be adapted to most scenarios, avoiding the problem of increasing costs caused by replacing different devices for reinforcement in different scenarios.

[0022] Simultaneously, the operator first passes the reinforcing bar through the guide rod 422. Then, the operator rotates the second knob 42 to rotate the double-axis threaded rod 421, causing the guide rod 422 to slide on the guide of the clamp 423. This brings the guide rods 422 closer together and clamps the reinforcing bar, thereby achieving the effect of reinforcing the reinforcing bar. At the same time, the clamped reinforcing bar will be taut, thus achieving the positioning effect. After the binding is completed, the operator rotates the second knob 42 to make the clamp 423 leave the reinforcing bar and limit the contact with the reinforcing bar. The operator then slides the device to another location to perform the binding operation. Moreover, the binding needs to be performed behind the fixed part of the device.

[0023] Before tightening the reinforcing bars, if the heights of the reinforcing bars are not the same, the operator can rotate the first knob 34 to rotate the pulley 31, belt 32, and threaded rod 33, which in turn causes the sliding shell 41 to slide, thereby causing the reinforcing bars to slide as well. This adjusts the height of the reinforcing bars, aligns them, and achieves active alignment. Furthermore, by adjusting the height of the reinforcing bars, this device can be suitable for most scenarios, avoiding the need to replace different devices for reinforcement in different scenarios, which would increase costs. Meanwhile, except for the pulley 31 and belt 32, the entire device is made of high-strength plastic. During use, the device can only clamp one end of the rebar first, and then tie the clamped end of the rebar. After that, the operator can turn the second knob 42 to release the clamp 423 from the rebar and release the limit on the rebar, and then slide the device to the other end of the rebar to clamp and tie it. This allows one person to operate the device, and the operation can be repeated.

[0024] Example 2: Installation steps of this utility model: Step 1: The operator first passes the steel bar through the guide rod 422. Then, the operator rotates the second knob 42 to rotate the double-axis threaded rod 421, allowing the guide rod 422 to slide on the guide of the clamp 423. This causes the guide rods 422 to move closer together and clamp the steel bar, thereby achieving the effect of reinforcing the steel bar. At the same time, the clamped steel bar will be taut and straight, thus achieving the positioning effect. Step 2: Before tightening the reinforcing bars, if the heights of the reinforcing bars are not the same, the operator rotates the first knob 34 to rotate the pulley 31, belt 32 and threaded rod 33, which in turn causes the sliding shell 41 to slide, which in turn causes the reinforcing bars to slide, thereby adjusting the height of the reinforcing bars and aligning the heights of the reinforcing bars, thus achieving active alignment of the reinforcing bars. Step 3: Furthermore, by adjusting the height of the reinforcing bars, the device can be adapted to most scenarios, avoiding the problem of increasing costs caused by replacing different devices for reinforcement in different scenarios. Step 4: In addition to the pulley 31 and belt 32, the entire device is made of high-strength plastic. During use, the device can only clamp one end of the steel bar first, and then tie the clamped end of the steel bar. After that, the operator slides the device to the other end of the steel bar to clamp and tie it. This operation is repeated.

[0025] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A device for positioning and reinforcing steel bars in ribbed floor slabs, characterized in that: Includes a base plate (1), on the upper end of which a support assembly (2) is installed. The support assembly (2) has a double-layer structure, consisting of a top layer and a bottom layer. Both the top layer and the interior of the base plate (1) are provided with drive assemblies (3). Both drive assemblies (3) are provided with lifting assemblies (4) on their exteriors. The two lifting assemblies (4) are respectively placed in the top layer and the bottom layer of the support assembly (2). Both the interior cavity of the base plate (1) and the interior cavity of the support assembly (2) are provided with drive assemblies (3). The support assembly (2) includes four support frames (21), all of which are installed on the upper end of the base plate (1). The vertical parts of the four support frames (21) are provided with mounting shells (22) to separate the support frames (21) vertically and vertically for fixing the reinforcing bars in the top and bottom layers of the support assembly (2). The middle part of the base plate (1) and the top of the mounting shells (22) have a first cavity and a second cavity, respectively. The drive assembly (3) includes several pulleys (31). Several pulleys (31) located at the bottom and several pulleys (31) located at the top are respectively installed in the first cavity and the second cavity. Two pulleys (31) located on the same vertical plane correspond to each other. A belt (32) is installed on the outer surface of several pulleys (31) located on the same horizontal plane. A threaded rod (33) is installed at the top center of several pulleys (31) that are distributed in a rectangular shape. A first knob (34) is installed at the top center of two pulleys (31) that are arranged in a separate row through a shaft. The lifting assembly (4) includes two sliding shells (41). The upper sliding shell (41) and the lower sliding shell (41) are respectively installed on the outer surface of a plurality of threaded rods (33) located on the same layer. A second knob (42) is installed on the right end of each of the two sliding shells (41).

2. The ribbed slab reinforcement positioning and strengthening device according to claim 1, characterized in that: The two sliding shells (41) have clamps (423) on both sides of the arc-shaped portion of the inner cavity sidewall. The top and bottom of the two clamps (423) are respectively provided with a double-axis threaded rod (421) and a guide rod (422). The two double-axis threaded rods (421) and clamps (423) are located in pairs in the inner cavity of the two sliding shells (41). One end of the two double-axis threaded rods (421) extends through the sliding shell (41) and connects to the second knob (42) on the same side.

3. The ribbed slab reinforcement positioning and strengthening device according to claim 2, characterized in that: The top of several threaded rods (33) located at the bottom layer are mounted on the bottom of the mounting shell (22), and the lower and upper ends of several threaded rods (33) located at the top layer are respectively mounted on the upper part of the bottom layer of the mounting shell (22) and the lower part of the top layer of the mounting shell (22).

4. The ribbed slab reinforcement positioning and strengthening device according to claim 3, characterized in that: The left and right ends of the two said biaxial threaded rods (421) are respectively installed in the inner cavities of the two said sliding shells (41) located on the same layer.

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