Positioning tool for controlling thickness of pier body steel bar protective layer

Abstract

The utility model relates to the technical field of bridge pier columns, and provides a positioning tool for controlling the thickness of a pier body reinforcing steel bar protective layer, which comprises a reinforcing steel bar ring and a vertical reinforcing steel bar, and the reinforcing steel bar ring and the vertical reinforcing steel bar are bundled to form a reinforcing steel bar cage; the first formwork and the second formwork are installed around the reinforcement cage, positioning assemblies are arranged at the upper end of the first formwork and the upper end of the second formwork and comprise clamping plates, and buckling grooves matched with the reinforcement rings are formed in the clamping plates; the positioning concrete base blocks are arranged at the bottoms of the first formwork and the second formwork, and the positioning concrete base blocks abut against the steel bar rings. According to the utility model, the distance between each part of the template and the reinforcement cage is consistent, so that the thickness of a protective layer after pouring is more uniform.

Description

Technical Field

[0001] The utility model relates to the technical field of bridge piers, and in particular to a positioning tool for controlling the thickness of a protective layer of steel bars of a pier body. Background Art

[0002] Concrete cover refers to the concrete layer between the outer edge of the outermost stress-bearing steel bars in reinforced concrete components and the concrete surface. It protects the steel bars in a closed environment and maintains the strength of the steel bars and the overall structural stability. Positioning the thickness of the steel bar cover of the bridge pier is a key construction step. Its purpose is to ensure that the steel bars have sufficient protection in the concrete structure, thereby improving the durability and safety of the structure. Positioning the thickness of the steel bar cover of the bridge pier is a key construction step. Its purpose is to ensure that the steel bars have sufficient protection in the concrete structure, thereby improving the durability and safety of the structure and playing a role in rust and corrosion prevention.

[0003] During the construction of bridge piers, the thickness of the protective layer will be affected by the steel cage. During the construction process, the steel cage may be pulled and concrete poured by the construction workers, causing the pier column steel bars to shift, resulting in inconsistent distances between the formwork and the pier column steel bars, and thus poor uniformity of the protective layer thickness. Utility Model Content

[0004] The utility model aims to provide a positioning tool for controlling the thickness of the protective layer of the pier body steel bars, so as to ensure that the thickness of the protective layer is highly uniform after the concrete is poured.

[0005] The embodiment of the utility model is realized through the following technical scheme: a positioning tool for controlling the thickness of the steel bar protective layer of the pier body, comprising a steel bar ring and vertical steel bars, and the steel bar ring and the vertical steel bars are bundled to form a steel bar cage; a first formwork and a second formwork installed around the steel bar cage, the upper ends of the first formwork and the second formwork are provided with a positioning component, the positioning component comprises a clamping plate, and the clamping plate is provided with a buckle groove matched with the steel bar ring; a positioning concrete base block, which is arranged at the bottom of the first formwork and the second formwork, and the positioning concrete base block is abutted against the steel bar ring.

[0006] Furthermore, the positioning assembly also includes a positioning column, which is vertically slidably connected to the rear end of the clamping plate; there are at least two positioning columns, and the buckle groove is a U-shaped structure.

[0007] Furthermore, it also includes a positioning ring, which is provided with radially arranged snap-in slots, through which the steel bar ring is snapped into place.

[0008] Furthermore, the positioning rings are provided in plurality and are evenly installed on the steel bar ring in the middle of the steel bar cage.

[0009] Furthermore, the first template is detachably connected to the second template; both ends of the first template are respectively provided with a first U-shaped locking opening, and both ends of the second template are respectively provided with a second U-shaped locking opening, and a U-shaped locking block is clamped between the first U-shaped locking opening and the second U-shaped locking opening.

[0010] The technical solution of the embodiments of the utility model has at least the following advantages and beneficial effects: the utility model realizes the vertical two-point positioning of the template by arranging a positioning concrete base block at the bottom of the template to contact the steel cage, and arranging a clamping plate at the upper end of the template to buckle with the steel cage, thereby ensuring the uniformity of the distance between each point of the template and the steel cage, which helps to obtain a steel protection layer with uniform thickness. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0012] Figure 1 A schematic diagram of the top view of the structure of the positioning tool for controlling the thickness of the protective layer of the pier reinforcement provided in the embodiment of the utility model;

[0013] Figure 2 It is a front view of the positioning tool for controlling the thickness of the protective layer of the pier reinforcement in the utility model;

[0014] Figure 3 It is a front view schematic diagram of the positioning assembly in the utility model;

[0015] Figure 4 It is a structural schematic diagram of the positioning ring in the utility model.

[0016] Icons: 1-rebar cage, 11-rebar ring, 12-vertical rebar, 2-first template, 21-first U-shaped lock, 3-second template, 31-second U-shaped lock, 4-positioning assembly, 41-clamp, 411-slot, 42-positioning column, 5-positioning concrete base block, 6-positioning ring, 61-clamp, 7-U-shaped lock block. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0018] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0020] Example

[0021] The following is further described in conjunction with specific embodiments. Figure 1-Figure 4 As shown, this embodiment is a positioning tool for controlling the thickness of the steel bar protective layer of the pier body, including a steel bar ring 11 and a vertical steel bar 12, and the steel bar ring 11 and the vertical steel bar 12 are bundled to form a steel bar cage 1; a first template 2 and a second template 3 are installed around the steel bar cage 1, and a positioning component 4 is provided at the upper end of the first template 2 and the second template 3. The positioning component 4 includes a clamping plate 41, and a buckle groove 411 adapted to the steel bar ring 11 is opened on the clamping plate 41; a positioning concrete base block 5 is arranged at the bottom of the first template 2 and the second template 3, and the positioning concrete base block 5 is abutted against the steel bar ring 11; specifically, when in use, the positioning concrete base block 5 is first placed around the bottom circumference of the steel bar cage 1, and then the first template 2 and the second template 3 are used. A template 2 and a second template 3 surround the steel cage 1, the lower ends of the first template 2 and the second template 3 are tightly attached to the positioning concrete block 5, and the upper end of the first template 2 is buckled with the steel ring 11 using the buckle groove 411 of the clamping plate 41, so that the positioning concrete block 5 and the clamping plate 41 can achieve upper and lower positioning, so that concrete is poured into the steel cage 1, the positioning concrete block 5 can be integrated with it, and the clamping plate 41 can be removed from the top; it should be noted that the positioning concrete block 5 is customized according to the required thickness of the protective layer, thereby ensuring the uniformity of the distance between each point of the first template 2 and the second template 3 and the steel cage 1, and the thickness of the obtained concrete protective layer is also more consistent.

[0022] Reference Figure 2 and Figure 3As shown, the positioning assembly 4 in this embodiment also includes a positioning column 42, which is vertically slidably connected to the tail end of the clamping plate 41; the positioning column 42 is provided with at least two, and the buckle groove 411 is a U-shaped structure; specifically, after the first template 2 and the second template 3 are vertically installed, the clamping plate 41 can be lifted and lowered along the positioning column 42, and the clamping plate 41 is lifted up and then moved down, so that the buckle groove 411 can fall and be clamped in the steel ring 11, and maintain the distance between the template and the steel cage 1.

[0023] Reference Figure 2 As shown, the present embodiment further includes a positioning ring 6, which is provided with a radially arranged bayonet 61, through which the steel bar ring 11 is inserted; specifically, the positioning ring 6 is made of a plastic material, which has a certain deformation ability, and the positioning ring 6 inserted into the steel bar ring 11 can abut against the middle of the first template 2 and the second template 3 to achieve multi-point positioning contact.

[0024] It should be noted that there are a plurality of positioning rings 6 which are evenly installed on the steel bar ring 11 in the middle of the steel bar cage 1 .

[0025] Reference Figure 1 and Figure 2 As shown, for the convenience of installation, the first template 2 and the second template 3 are detachably spliced ​​and connected; the first template 2 is respectively provided with a first U-shaped locking opening 21 at both ends, and the second template 3 is respectively provided with a second U-shaped locking opening 31 at both ends, and a U-shaped locking block 7 is stuck between the first U-shaped locking opening 21 and the second U-shaped locking opening 31; specifically, after the first template 2 and the second template 3 are pieced together to form a square grid, the first U-shaped locking opening 21 and the second U-shaped locking opening 31 are brought close to each other, and then the U-shaped locking blocks 7 are respectively placed in the four corners, so that the first template 2 and the second template 3 form a whole, which is not easy to be separated due to concrete pouring, and the thickness of the steel bar protective layer is more fully guaranteed.

[0026] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be subject to various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A positioning tool for controlling the thickness of the steel bar protective layer of the pier shaft, characterized in that: It comprises a steel bar ring (11) and vertical steel bars (12), and the steel bar ring (11) and the vertical steel bars (12) are bundled to form a steel bar cage (1); A first template (2) and a second template (3) are installed around the steel cage (1), and a positioning assembly (4) is provided at the upper ends of the first template (2) and the second template (3), and the positioning assembly (4) comprises a clamping plate (41), and a buckle groove (411) adapted to the steel ring (11) is provided on the clamping plate (41); A positioning concrete base block (5) is arranged at the bottom of the first formwork (2) and the second formwork (3), and the positioning concrete base block (5) is in contact with the steel bar ring (11).

2. The positioning tool for controlling the thickness of the protective layer of the pier reinforcement according to claim 1 is characterized in that: The positioning assembly (4) further comprises a positioning column (42), wherein the positioning column (42) is vertically slidably connected to the rear end of the clamping plate (41).

3. The positioning tool for controlling the thickness of the protective layer of the pier reinforcement according to claim 2 is characterized in that: At least two positioning columns (42) are provided.

4. The positioning tool for controlling the thickness of the pier shaft reinforcement protective layer according to claim 1 is characterized in that: The buckle groove (411) is a U-shaped structure.

5. The positioning tool for controlling the thickness of the protective layer of the pier reinforcement according to claim 1 is characterized in that: It also comprises a positioning ring (6), wherein the positioning ring (6) is provided with radially arranged snap-in openings (61), and the steel bar ring (11) is snapped in through the snap-in openings (61).

6. The positioning tool for controlling the thickness of the pier shaft reinforcement protective layer according to claim 5 is characterized in that: A plurality of positioning rings (6) are provided and are evenly mounted on the steel bar ring (11) in the middle of the steel bar cage (1).

7. The positioning tool for controlling the thickness of the protective layer of the pier reinforcement according to claim 1 is characterized in that: The first template (2) and the second template (3) are connected in a detachable manner.

8. The positioning tool for controlling the thickness of the pier shaft reinforcement protective layer according to claim 7 is characterized in that: The first template (2) is provided with a first U-shaped locking opening (21) at both ends, and the second template (3) is provided with a second U-shaped locking opening (31) at both ends, and a U-shaped locking block (7) is clamped between the first U-shaped locking opening (21) and the second U-shaped locking opening (31).

Images