阅读说明：本技术 一种基于螺旋网的混凝土预制模板 (Concrete prefabricated formwork based on spiral net ) 是由 王洋 于 2021-03-21 设计创作，主要内容包括：本发明涉及一种混凝土预制模板材料,包括由插芯的螺旋网片围绕形成的模板主体,模板主体通过加固件进行加固；所述插芯的螺旋网片由螺旋线圈、连接线和芯丝构成,螺旋线圈相互平行,相邻两个螺旋线圈之间的环相互交叠设置,在交叠处形成通孔,在该通孔中设贯穿连接线,未交叠部分的螺旋线圈中贯穿若干根芯丝。所述的混凝土预制模板具有轻质、高模、无泄漏等特点,同时由于螺旋网具有可弯曲的特点,也使得螺旋网模板材料可加工成如直线型、弧形以及圆形等多种形状的模板。此外,所述的预制模板还包括位于模板外侧的加固构件,所述的加固构件能够在混凝土浇筑过程中保持模板的形状不会发生变化,从而获得良好的浇筑效果。(The invention relates to a concrete prefabricated formwork material, which comprises a formwork main body formed by surrounding a spiral net piece of an insert core, wherein the formwork main body is reinforced through a reinforcing piece; the spiral net piece of lock pin comprises spiral coil, connecting wire and core silk, and spiral coil is parallel to each other, and the ring mutual overlap setting between two adjacent spiral coils forms the through-hole in the overlap department, establishes the through-connection line in this through-hole, runs through a plurality of core silks in the spiral coil of non-overlapping part. The concrete prefabricated formwork has the characteristics of light weight, high formwork, no leakage and the like, and simultaneously, the spiral net formwork material can be processed into formworks in various shapes such as a linear type, an arc shape, a circular shape and the like due to the characteristic that the spiral net is bendable. In addition, the prefabricated formwork further comprises a reinforcing member positioned on the outer side of the formwork, and the reinforcing member can keep the shape of the formwork unchanged in the concrete pouring process, so that a good pouring effect is obtained.)

1. The utility model provides a precast concrete template based on spiral net which characterized in that: the formwork comprises a formwork main body formed by surrounding a spiral net piece (1) of an inserting core, wherein the formwork main body is reinforced through a reinforcing piece;

the spiral net piece (1) of lock pin comprises spiral coils (11), connecting wires (12) and core wires (13), wherein the spiral coils (11) are parallel to each other, the rings between two adjacent spiral coils (11) are overlapped with each other, a through hole is formed at the overlapped part, the through hole is internally provided with a through connecting wire (12), and the spiral coils (11) at the non-overlapped part are internally provided with a plurality of core wires (13).

2. The screw net-based concrete prefabricated form according to claim 1, characterized in that: the diameter of the spiral coil (11) is 0.68 mm.

3. The screw net-based concrete prefabricated form according to claim 1, characterized in that: the number of the core wires (13) in each spiral coil (11) is 4.

4. The screw net-based concrete prefabricated form according to claim 1, characterized in that: the edge of the spiral net piece (1) is a spiral net edge sealing area (2).

5. The screw net-based concrete prefabricated form according to claim 4, characterized in that: the edge sealing width of the spiral net edge sealing area (2) is more than or equal to 3 cm.

6. The screw net-based concrete prefabricated form according to claim 1, characterized in that: the coil size of the spiral coil (11) is 4.5 × 2.5 mm, 5.4 × 3.4 mm, 6.8 × 3.8 mm, or 8.5 × 4.5 mm.

7. The screw net-based concrete prefabricated form according to claim 1, characterized in that: the core wire (13) is one or more of polyester, polyamide and polyethylene.

8. The screw net-based concrete prefabricated form according to claim 1, characterized in that: the formwork body further comprises a bottom plate made of the spiral net piece (1) of the inserting core.

9. The screw net-based concrete prefabricated form according to claim 8, characterized in that: the side part of the template main body and the bottom plate can be connected through a convex block and a groove.

10. The screw net-based concrete prefabricated form according to claim 1, characterized in that: the interior surface of the template body has a coating.

Technical Field

The invention belongs to the technical field of building templates, and particularly relates to a concrete prefabricated template based on a spiral net.

Background

The existing concrete prefabricated formwork is a formwork which is formed by installing a prefabricated slab made of concrete or reinforced concrete on the surface of a structure and is used for pouring without dismantling. The existing template has high cost, and the stressed steel bar is easy to corrode in the construction process, so that the bearing capacity is deteriorated, the construction effect is influenced, cracks are generated, and the like. The spiral net is mostly made of polyester, polyamide, polyethylene and other high polymer materials, has the characteristics of light weight, high modulus and the like, and is widely applied to the industrial fields of filtration, papermaking, desulfurization and denitrification of power plants and the like. The spiral net subjected to the inserting core has strong blocking performance on cement mortar, and in addition, the spiral net has higher tensile strength and compressive strength, so that the spiral net has the potential of becoming a concrete prefabricated template material.

Disclosure of Invention

The invention provides a concrete prefabricated template based on a spiral net by taking a core inserting spiral net as a main body material, realizes light weight and high modulus, and can be conveniently processed into various shapes.

In order to achieve the purpose, the invention adopts the following technical scheme: the concrete prefabricated formwork based on the spiral net comprises a formwork main body formed by surrounding a spiral net piece of the inserting core, wherein the formwork main body is reinforced through a reinforcing piece;

the spiral net piece of lock pin comprises spiral coil, connecting wire and core silk, and spiral coil is parallel to each other, and the ring mutual overlap setting between two adjacent spiral coils forms the through-hole in the overlap department, establishes the through-connection line in this through-hole, runs through a plurality of core silks in the spiral coil of non-overlapping part.

Further, the wire diameter of the spiral coil is 0.68 mm.

Further, the number of core wires in each spiral coil was 4.

Further, the edge of the spiral net piece is a spiral net edge sealing area.

Further, the edge sealing width of the edge sealing area of the spiral net is more than or equal to 3 cm.

Further, the coil size of the spiral coil is 4.5 × 2.5 mm, 5.4 × 3.4 mm, 6.8 × 3.8 mm, or 8.5 × 4.5 mm.

Further, the core wire is one or more of polyester, polyamide and polyethylene.

Further, the formwork main body further comprises a bottom plate made of the spiral net piece of the inserting core.

Further, the side part of the template main body and the bottom plate can be connected through a bump and a groove.

The interior surface of the template body has a coating.

Compared with the prior art, the invention has the following beneficial effects:

the invention takes a light spiral net material with higher modulus as the main material of the template, the template material can meet the requirement of concrete pouring with different shapes in the building engineering, and in addition, the stability of the template in the pouring process can be ensured through the reinforcing member at the outer side of the template, and the template is not deformed.

Drawings

Fig. 1 is a schematic plan view of a part of a spiral net.

Fig. 2 is a side view of a partial view of a spiral net.

FIG. 3 is a schematic view of a square template.

FIG. 4 is a schematic view of a circular template.

Description of reference numerals: 1-spiral net sheet; 2-sealing the edge of the area by a spiral net; 3-reinforcing plates; 4-reinforcing rods; 11-a helical coil; 12-a connecting line; 13-core filament.

Detailed Description

For the purpose of illustrating the technical content, the constructional features, the achieved objects and the effects of the invention in detail, reference will be made to the following detailed description of the embodiments in conjunction with the accompanying drawings.

In the present invention, it is to be understood that the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The terms "upper", "lower", "inner", "outer", "front", "rear", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience in describing the present invention, and do not imply or indicate that the device or member referred to must have a particular orientation or be constructed or operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example 1:

as shown in fig. 3, the concrete prefabricated formwork based on the spiral net in the embodiment includes a square formwork surrounded by four spiral net pieces 1, the edge of each spiral net piece 1 is a spiral net edge sealing area 2, a reinforcing plate 3 is arranged outside the side edge and/or the side surface of the square formwork surrounded by the spiral net pieces 1, a reinforcing rod 4 is connected to the reinforcing plate 3, and the reinforcing plate 3 and the spiral net pieces 1 are connected with each other through binding wires. As shown in fig. 1 and fig. 2, the spiral mesh sheet 1 is composed of spiral coils 11, connecting wires 12 and core wires 13, the spiral coils 11 are parallel to each other, the loops between two adjacent spiral coils 11 are overlapped with each other, a through hole is formed at the overlapped part, the through hole is provided with the connecting wires 12, in this embodiment, the core wires 13 are also included in a plurality of core wires 13 penetrating through the spiral coils 11 which are not overlapped, and the core wires 13 can improve the barrier property of the spiral mesh material to substances; in this embodiment, the barrier properties of the spiral net to concrete are mainly improved.

In this embodiment, the diameter of the spiral coil 11 is 0.68mm, and the number of core wires 13 in each spiral coil 11 is 4.

When the prefabricated formwork is used for pouring concrete, the spiral net piece 1 is placed according to pouring requirements, and then is reinforced through the reinforcing plate 3 and the reinforcing rods 4, and then the concrete can be poured normally. After the concrete is formed, the reinforcing plate 3 and the reinforcing rod 4 can be removed firstly, and then the spiral net pieces 1 are removed piece by piece.

Example 2:

as shown in fig. 4, the concrete prefabricated formwork based on the spiral net in this embodiment includes a circular formwork formed by fixedly connecting and surrounding the spiral net pieces 1 end to end, and since the spiral net pieces 1 have good flexibility, this operation process is easier to be implemented compared with a wooden formwork or a metal formwork or other formwork. The edge of the spiral net piece 1 is a spiral net edge sealing area 2, after the spiral net piece 1 is fixedly connected end to end, reinforcing plates 3 are installed at four quadrant points of the circular template, circular reinforcing rods 4 are arranged on the outer side of the circular template for further reinforcing, and more reinforcing plates 3 or reinforcing rods 4 can be arranged according to needs. The reinforcing plate 3 and the spiral net piece 1 are connected with each other through binding wires.

The structure of the spiral mesh sheet 1 in this embodiment is the same as that in embodiment 1, that is, the spiral mesh sheet 1 is composed of spiral coils 11, connecting wires 12 and core wires 13, the spiral coils 11 are parallel to each other, the loops between two adjacent spiral coils 11 are overlapped with each other, a through hole is formed at the overlapped part, the through hole is provided with the through connecting wires 12, in this embodiment, the spiral mesh sheet further comprises a plurality of core wires 13 penetrating through the spiral coils 11 which are not overlapped, and the core wires 13 can improve the barrier property of the spiral mesh material to substances; in this embodiment, the barrier properties of the spiral net to concrete are mainly improved.

After the template is installed, pouring can be carried out according to the building requirements. In addition, a circular template with a smaller diameter can be fixed in the fixed circular template, and the reinforcing plate and the reinforcing rod of the template are positioned on the inner side of the circular template, so that annular pouring can be realized.

In other embodiments, the interior surface of the prefabricated form is coated to allow the cured concrete pour to be easily peeled from the form.

In this embodiment, the diameter of the spiral coil 11 is 0.68mm, and the number of core wires 13 in each spiral coil 11 is 4.

The spiral net in the above embodiments can be replaced by other high-strength high-modulus textile with a blocking effect on concrete substances, such as a woven heavy net.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes or modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.