Template inner supporting device of metal protective fence foundation

Abstract

The utility model discloses a template inner support device of a metal protective fence foundation, which comprises a foundation inner support and a foundation template which are arranged in a foundation trench, the foundation inner support is of a cuboid frame structure, the foundation template is arranged along the circumferential direction of the outer side of the foundation inner support and clings to the outer side of the foundation inner support, and the foundation template is arranged on the foundation inner support. The foundation templates comprise two first foundation templates which are oppositely arranged and two second foundation templates which are oppositely arranged, and the first foundation templates and the second foundation templates are connected and fixed through buckle devices. The utility model has the advantages that the structure is simple, and the use is convenient; the foundation size of the protective fence stand column can be rapidly controlled, the appearance quality is effectively guaranteed, and the installation position of the protective fence stand column can be conveniently positioned.

Description

Technical Field

[0001] The utility model relates to the technical field of protective fences, in particular to a template inner support device for a metal protective fence foundation. Background Art

[0002] With the rapid development of my country's railway technology, ensuring the safe operation of railway lines is one of the important issues facing railway construction. Protective fences are an important form of railway safety protection. Currently, most of the protective fences used are concrete protective fences, which mainly include columns, upper sills, lower sills, fences and column caps. The installation steps of concrete protective fences include: leveling the site at the foot of the roadbed, laying out the lines and leveling, counting the number of different types of columns, excavating the foundation pit, placing the columns, positioning the columns, pouring the column foundation concrete, installing the lower sill, fences, upper sills, column caps, tightening the column caps, bolting concrete filling, ground gap processing, top anti-throwing nets, and bottom encryption net installation.

[0003] During the entire installation process of concrete protective fences, how to ensure the accurate installation of concrete protective fence posts is a difficult control point in the construction of railway concrete protective fences. Accurate installation of protective fence posts not only ensures the smooth installation of the upper sill, lower sill, fence pieces and column caps of the protective fence, but also ensures the construction quality and linear beauty. However, in the prior art, the installation process of protective fences usually involves manually excavating foundation pits, fixing the posts with stones or concrete blocks, and directly filling the foundation pit with concrete. Fixing the posts with stones or concrete blocks has the problem of difficulty in linear control and easy displacement. In addition, the size of the foundation pit excavation is often difficult to control, and the posts are difficult to reinforce, and displacement often occurs, which seriously affects the construction quality.

[0004] Therefore, there is a need for a formwork internal support device for a metal protective fence foundation that can solve the above-mentioned problems. Summary of the invention

[0005] The purpose of the utility model is to provide a formwork internal support device for the foundation of a metal protective fence based on the above-mentioned deficiencies of the prior art. The foundation internal support and the foundation formwork are arranged in the base groove, which can quickly control the foundation size of the protective fence, effectively ensure the appearance quality, and facilitate the positioning of the installation position of the protective fence column.

[0006] The purpose of this utility model is achieved by the following technical solutions:

[0007] A template internal support device for a metal protective fence foundation, comprising a foundation internal support and a foundation template installed in a base groove, wherein the foundation internal support is a rectangular frame structure, and the foundation template is arranged along the circumferential direction of the outer side of the foundation internal support and is tightly attached to the outer side of the foundation internal support, and the foundation template comprises two oppositely arranged first foundation templates and two oppositely arranged second foundation templates, and the first foundation template and the second foundation template are connected and fixed by a snap-fit ​​device.

[0008] The snap-fit ​​device includes a connecting plate and a clamping member, one end of the connecting plate is rotatably connected to the first basic template, and the other end is provided with a clamping groove that cooperates with the clamping member. The clamping member includes a fixed block fixed to the second basic template and a rotating block rotatably connected to the fixed block. The connecting plate is clamped on the first basic template and the second basic template by rotating the rotating block.

[0009] The width of the connecting plate is equal to the width of the fixing block.

[0010] A protrusion is respectively arranged on both sides of the first basic template, and a groove matching with the protrusion is respectively arranged on both sides of the second basic template.

[0011] The utility model has the advantages of simple structure and convenient use; the basic size of the protective fence posts can be quickly controlled, the appearance quality is effectively guaranteed, and the installation position of the protective fence posts can be easily located. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a three-dimensional schematic diagram of the template inner support device of the utility model;

[0013] Figure 2 for Figure 1 A magnified view of middle;

[0014] Figure 3 It is a three-dimensional schematic diagram of the basic inner support of the utility model. DETAILED DESCRIPTION

[0015] The following is a further detailed description of the features of the present invention and other related features through embodiments in conjunction with the accompanying drawings to facilitate understanding by technicians in the same industry:

[0016] like Figures 1 to 3 As shown, the marks in the figure represent respectively:

[0017] Foundation inner support 1, first foundation template 2, second foundation template 3, groove 4, protrusion 5, connecting plate 6, slot 7, fixing block 8, rotating block 9.

[0018] Example: Figures 1 to 3As shown, this embodiment relates to a formwork internal support device for a metal protective fence foundation, which mainly includes a foundation internal support 1 and a foundation formwork installed in a base groove. The foundation internal support 1 is a rectangular parallelepiped frame structure, and the foundation internal support 1 is specifically made of angle steel welding. The foundation formwork is arranged along the circumferential direction of the outer side of the foundation internal support 1 and is closely attached to the outer side of the foundation internal support 1, and the end of the foundation formwork is flush with the end of the foundation internal support 1. The foundation formwork specifically uses bamboo plywood. The overall structure of the foundation internal support 1 is used to ensure the reliability of the installation of the foundation formwork.

[0019] like Figures 1 to 3 As shown, the basic template includes two first basic templates 2 and two second basic templates 3, each of which is provided with a protrusion 5 on both sides of the first basic template 2, and each of which is provided with a groove 4 on both sides of the second basic template 3. The size and shape of the protrusion 5 correspond to the size and shape of the groove 4, respectively. Through the cooperation between the groove 4 and the protrusion 5, the two first basic templates 2 and the two second basic templates 3 are enclosed in a rectangular shape. In this embodiment, the protrusion 5 and the groove 4 are both square strips, and of course, they can also be other shapes such as trapezoids and semicircles.

[0020] like Figures 1 to 3 As shown, the first basic template 2 and the second basic template 3 are connected and fixed by a snap-fit ​​device. The snap-fit ​​device includes a connecting plate 6 and a snap-fit ​​member. One end of the connecting plate 6 is rotatably connected to the first basic template 2, and the other end is provided with a snap-fitting slot 7 that matches the snap-fit ​​member. The snap-fit ​​member includes a fixed block 8 fixed to the second basic template 3 and a rotating block 9 rotatably connected to the fixed block 8, and the width of the connecting plate 6 is equal to the width of the fixed block 8 (equal to the depth of the snap-fitting slot 7). When the first basic template 2 and the second basic template 3 are connected and fixed, the connecting plate 6 is rotated, and the snap-fitting slot 7 of the connecting plate 6 passes through the rotating block 9 and the fixed block 8 of the snap-fit ​​member in sequence. When the connecting plate 6 is tightly attached to the first basic template 2 and the second basic template 3, the rotating block 9 is rotated 90 degrees, and the rotating block 9 is tightly attached to the connecting plate 6, so that the connecting plate 6 is clamped on the first basic template 2 and the second basic template 3.

[0021] like Figures 1 to 3 As shown, this embodiment also has the following construction method:

[0022] Making foundation internal support 1: Use 4# angle steel, 4cm wide, 4mm thick, and weld it into external dimensions of 600mm long, 600mm wide, and 700mm high. After processing, check that the dimensional error meets the requirements and prepare to put it into use.

[0023] Foundation layout and excavation: Use a total station to measure and lay out the foundation of each protective fence to ensure its correct position and beautiful lines. Use a 95-type wheel excavator to excavate the foundation, manually adjust its size, put in the foundation inner support 1, and determine its top surface elevation.

[0024] Installation of foundation formwork: Place the prepared foundation inner support 1 into the foundation trench after excavation, fix its position, and then use bamboo plywood to fit closely against the foundation inner support 1 to install and reinforce the foundation formwork.

[0025] Column installation and concrete pouring: Install and fix the column at the center of the foundation inner support 1. After checking that its verticality meets the requirements, remove the foundation inner support 1, recycle it, and start pouring concrete.

[0026] The beneficial technical effects of this embodiment are: simple structure and easy use; the basic dimensions of the protective fence posts can be quickly controlled, the appearance quality is effectively guaranteed, and it is easy to locate the installation position of the protective fence posts.

[0027] Although the above embodiments have described the concepts and embodiments of the purpose of the utility model in detail with reference to the accompanying drawings, ordinary technicians in this field can recognize that various improvements and modifications can still be made to the utility model without departing from the scope of the claims, so they are not described one by one here.

Claims

1. A formwork internal support device for a metal protective fence foundation, characterized in that: It includes a foundation inner support and a foundation template installed in a base groove, wherein the foundation inner support is a rectangular frame structure, the foundation template is arranged along the circumferential direction of the outer side of the foundation inner support and is tightly attached to the outer side of the foundation inner support, and the foundation template includes two oppositely arranged first foundation templates and two oppositely arranged second foundation templates, and the first foundation template and the second foundation template are connected and fixed by a snap-fit ​​device.

2. A formwork internal support device for a metal protective fence foundation as claimed in claim 1, characterized in that: The snap-fit ​​device includes a connecting plate and a clamping member, one end of the connecting plate is rotatably connected to the first basic template, and the other end is provided with a clamping groove that cooperates with the clamping member. The clamping member includes a fixed block fixed to the second basic template and a rotating block rotatably connected to the fixed block. The connecting plate is clamped on the first basic template and the second basic template by rotating the rotating block.

3. The formwork internal support device of the metal protective fence foundation according to claim 2, characterized in that: The width of the connecting plate is equal to the width of the fixing block.

4. The formwork inner support device of the metal protective fence foundation according to claim 1, characterized in that: A protrusion is respectively arranged on both sides of the first basic template, and a groove matching with the protrusion is respectively arranged on both sides of the second basic template.

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