Reinforcing mesh in-mold positioning tool

Abstract

The utility model belongs to the field of concrete prefabricated part manufacturing, and particularly relates to a reinforcing mesh in-mold positioning tool which comprises a plurality of first positioning columns and second positioning columns, limiting pieces are arranged on the first positioning columns and the second positioning columns and comprise positioning rods and limiting rods, and the positioning rods and the limiting rods are perpendicular to each other. The positioning rod is fixedly arranged on the side wall of the first positioning column or the second positioning column, and the bottom of the limiting rod abuts against the bottom wall of the mold. The two ends of each first positioning column abut against the inner wall of the mold, the two ends of each second positioning column abut against the two first positioning columns respectively, and the first positioning columns and the positioning columns define the inner contour of the mold.

Description

Technical Field

[0001] The utility model belongs to the field of concrete prefabricated parts production, and in particular relates to a steel mesh mold insertion positioning tool. Background Art

[0002] In the process of making reinforced concrete prefabricated parts, strict compliance with construction specifications is crucial to ensure the mechanical properties and durability of the structure. Among them, the specifications require that the distance from the outer edge of the steel bar to the concrete surface (i.e. the thickness of the protective layer) should not be less than the nominal diameter of the steel bar. This regulation is intended to prevent premature corrosion of the steel bar, ensure the effective wrapping and protection of the concrete on the steel bar, and maintain the stability of the electrochemical environment.

[0003] The production of prefabricated parts mainly adopts molds to spread concrete and form them. A steel mesh that matches the mold cavity is pre-made to ensure the structural strength of the prefabricated parts after the concrete is spread. The production process requires positioning the steel mesh in the mold to prevent the steel mesh from shifting during concrete pouring and vibration, thereby ensuring the thickness of the concrete protective layer. Utility Model Content

[0004] Based on the problems mentioned in the above background technology, the utility model provides a tool for positioning a steel mesh into a mold.

[0005] The technical solution adopted by the utility model is as follows: a steel mesh mold positioning tool, including a plurality of first positioning columns and a second positioning column, each of which is provided with a limiting member, the limiting member includes a positioning rod and a limiting rod which are perpendicularly arranged to each other, the positioning rod is fixedly arranged on the side wall of the first positioning column or the second positioning column, and the bottom of the limiting rod abuts against the bottom wall of the mold; the two ends of the first positioning column abut against the inner wall of the mold, and the two ends of the second positioning column abut against the two first positioning columns respectively, and the first positioning column and the positioning column enclose the inner contour of the mold.

[0006] Furthermore, both the first positioning column and the second positioning column are hollow structures.

[0007] Furthermore, both ends of the first positioning column are provided with a rotating shaft, and a force-bearing roller is rotatably connected to the rotating shaft.

[0008] Furthermore, the force-bearing roller abuts against the inner wall of the mold.

[0009] Furthermore, a pull ring is provided on the top of the first positioning column.

[0010] Furthermore, each of the first positioning column and the second positioning column is provided with at least two limiting members close to the end.

[0011] Beneficial effects of the utility model:

[0012] 1. The inner contour of the mold is enclosed by the arrangement of the first positioning column and the second positioning column, and the first positioning column abuts against the inner wall outside the upper cavity of the mold, and the second positioning column abuts against the first positioning column. The overall contour structure is stable. The first positioning column and the second positioning column are both provided with a positioning rod and a limiting rod. The positioning rod and the limiting rod are arranged vertically. The positioning rod defines the position of the limiting rod and extends the force arm between the positioning column and the limiting rod, thereby reducing the shaking of the limiting rod during the concrete spreading process and ensuring the stability of the positioning.

[0013] At this time, the limit rod fits tightly against the inner wall of the mold, limiting the constant distance between the outer periphery of the steel mesh and the inner wall of the mold. That is, the diameter of the limit rod is directly equal to the required thickness of the protective layer of the steel mesh, making the limit rod itself a scale for accurately controlling the thickness of the protective layer, eliminating the positioning deviation caused by the pad size error and human operation in the traditional method.

[0014] 2. The contact between the force-bearing roller and the inner wall of the mold makes the removal and installation of the first positioning column smoother, reducing the wear on the inner wall of the mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The present invention can be further described by the non-limiting embodiments given in the accompanying drawings;

[0016] Figure 1 This is a schematic diagram of the utility model being installed on a mold;

[0017] Figure 2 It is a schematic diagram of the utility model and the mold explosion;

[0018] Figure 3 This is a schematic diagram of the side wall of the first positioning column of the utility model;

[0019] The attached drawings are marked as follows:

[0020] The first positioning column 1 , the rotating shaft 11 , the force-bearing roller 12 , the pull ring 13 , the second positioning column 2 , the positioning rod 3 , the limiting rod 4 , and the mold 5 . DETAILED DESCRIPTION

[0021] like Figure 1 to Figure 3 As shown, a steel mesh mold positioning tool includes a plurality of first positioning columns 1 and second positioning columns 2, and the first positioning columns 1 and the second positioning columns 2 are both provided with limiting members, and the limiting members include positioning rods 3 and limiting rods 4 which are vertically arranged, and the positioning rods 3 are fixedly arranged on the side walls of the first positioning columns 1 or the second positioning columns 2, and the bottom of the limiting rods 4 abuts against the bottom wall of the mold 5; the two ends of the first positioning column 1 abut against the inner wall of the mold 5, and the two ends of the second positioning column 2 abut against the two first positioning columns 1 respectively, and the first positioning column 1 and the positioning columns enclose the inner contour of the mold 5.

[0022] By adopting the above technical solution, the inner contour of the mold 5 is enclosed by setting the first positioning column 1 and the second positioning column 2, and the first positioning column 1 abuts against the inner wall outside the upper cavity of the mold 5, and the second positioning column 2 abuts against the first positioning column 1, and the overall contour structure is stable. The first positioning column 1 and the second positioning column 2 are both provided with a positioning rod 3 and a limiting rod 4, and the positioning rod 3 is vertically arranged with the limiting rod 4. The positioning rod 3 limits the position of the limiting rod 4 and extends the force arm between the positioning column and the limiting rod, thereby reducing the shaking of the limiting rod during the concrete spreading process and ensuring the stability of the positioning;

[0023] At this time, the limiting rod 4 fits tightly against the inner wall of the mold 5, limiting the constant distance between the outer periphery of the steel mesh and the inner wall of the mold 5, that is, the diameter of the limiting rod 4 is directly equal to the required thickness of the protective layer of the steel mesh, so that the limiting rod 4 itself becomes a scale for accurately controlling the thickness of the protective layer, eliminating the positioning deviation caused by the pad size error and human operation in the traditional method.

[0024] As a preferred solution, both the first positioning column 1 and the second positioning column 2 are hollow structures, which are lighter and easier to remove and install.

[0025] As a preferred solution, both ends of the first positioning column 1 are provided with a rotating shaft 11 , and a force-bearing roller 12 is rotatably connected to the rotating shaft 11 ; the force-bearing roller 12 abuts against the inner wall of the mold 5 .

[0026] The force-bearing roller 12 is in line contact with the inner wall of the mold 5 , so that the removal and installation of the first positioning column 1 are smoother and the wear on the inner wall of the mold 5 is reduced.

[0027] As a preferred solution, a pull ring 13 is provided on the top of the first positioning column 1. The provision of the pull ring 13 facilitates the removal of the integral positioning tool.

[0028] As a preferred solution, at least two stoppers are provided near the ends of each of the first positioning column 1 and the second positioning column 2. The provision of at least two stoppers ensures a good stopper effect on the periphery of the steel mesh, and ensures that the steel mesh will not be displaced due to the spreading of concrete.

[0029] When used specifically: a cement pad is provided at the bottom of the mold 5, and the steel mesh can be directly placed on the cement pad.

[0030] The above is a detailed introduction to the utility model. The mold is used to produce railway laying prefabricated parts, and the description of the specific embodiment is only used to help understand the method and core idea of ​​the utility model. It should be pointed out that for ordinary technicians in this technical field, without departing from the principle of the utility model, the utility model can also be improved and modified, and these improvements and modifications also fall within the scope of protection of the claims of the utility model.

Claims

1. A steel mesh mold positioning tool, characterized by: include A plurality of first positioning columns (1) and second positioning columns (2), each of which is provided with a limiting member, wherein the limiting member comprises a positioning rod (3) and a limiting rod (4) which are arranged perpendicular to each other, the positioning rod (3) being fixedly arranged on the side wall of the first positioning column (1) or the second positioning column (2), and the bottom of the limiting rod (4) abuts against the bottom wall of the mold (5); the two ends of the first positioning column (1) abut against the inner wall of the mold (5), and the two ends of the second positioning column (2) abut against the two first positioning columns (1) respectively, and the first positioning column (1) and the positioning columns enclose the inner contour of the mold (5).

2. A steel mesh mold positioning tool according to claim 1, characterized in that: The first positioning column (1) and the second positioning column (2) are both hollow structures.

3. A steel mesh mold positioning tool according to claim 2, characterized in that: Both ends of the first positioning column (1) are provided with a rotating shaft (11), and a force-bearing roller (12) is rotatably connected to the rotating shaft (11).

4. A steel mesh mold positioning tool according to claim 3, characterized in that: The force-bearing roller (12) abuts against the inner wall of the mold (5).

5. A steel mesh mold positioning tool according to claim 1, characterized in that: A pull ring (13) is provided on the top of the first positioning column (1).

6. A steel mesh mold positioning tool according to claim 1, characterized in that: Each of the first positioning column (1) and the second positioning column (2) is provided with at least two stoppers close to the ends.

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