阅读说明：本技术 一种钢绞线墩头 (Steel strand pier head ) 是由 尤加东 丁涛 陈福顺 韩冰 于 2020-08-30 设计创作，主要内容包括：本发明提供了一种钢绞线墩头,包括锚板,所说的锚板中部垂直方向设有中丝,在中丝周侧设有若干个圆周排列的边丝,边丝包裹并紧固中丝,中丝上端设有弧状的第一弧形头,边丝上端设有第二弧形头,所述第二弧形头绕第一弧形头顺时针旋转排列,本发明能够通过中丝和边丝对第一弧形头和第二弧形头进行支撑,固定第一弧形头和第二弧形头,第一弧形头和第二弧形头对工作部件进行卡位,中丝、边丝、第一弧形头和第二弧形头紧密的配合使用,第一弧形头和第二弧形头受拉力作用,加强墩头的受力强度,延长使用寿命,实现整束钢绞线的镦头,同时也增加了一种钢绞线连接的新途径。(The invention provides a steel strand pier head, which comprises an anchor plate, wherein a middle wire is arranged in the middle of the anchor plate in the vertical direction, a plurality of edge wires which are arranged circumferentially are arranged on the periphery of the middle wire, the edge wires wrap and fasten the middle wire, the upper end of the middle wire is provided with an arc-shaped first arc-shaped head, the upper end of the edge wire is provided with a second arc-shaped head, the first arc-shaped head and the second arc-shaped head can be supported by the middle wire and the side wire, the first arc-shaped head and the second arc-shaped head are fixed, the first arc-shaped head and the second arc-shaped head clamp a working part, the middle wire, the side wire, the first arc-shaped head and the second arc-shaped head are used in a tight fit mode, the first arc-shaped head and the second arc-shaped head are under the action of tension, the stress strength of a pier head is enhanced, the service life is prolonged, the upset head of the whole bundle of steel strands is realized, and meanwhile, a new way for connecting the steel strands is added.)

1. The utility model provides a steel strand wires pier nose, includes anchor slab, its characterized in that: the middle of the anchor plate is provided with a middle wire in the vertical direction, a plurality of edge wires which are arranged circumferentially are arranged on the periphery of the middle wire, the edge wires wrap and fasten the middle wire, the upper end of the middle wire is provided with an arc-shaped first arc-shaped head, the upper end of each edge wire is provided with a second arc-shaped head, and the second arc-shaped heads are arranged around the first arc-shaped heads in a clockwise rotating mode.

2. The steel strand pier head of claim 1, wherein: the edge wire and the middle wire are obliquely arranged, and the edge wire rotates and inclines along the clockwise direction.

3. The steel strand pier head of claim 2, wherein: the included angle between the middle wire and the side wire is 50-60 degrees.

4. The steel strand pier head of claim 1, wherein: the second arc-shaped head is arranged around the central filament in a hemispherical shape at a helix angle of 60-80 degrees.

5. The steel strand pier head of claim 4, wherein: the end parts of the second arc-shaped head and the first arc-shaped head are both positioned on the same spherical surface.

Technical Field

The invention relates to the technical field of steel strands, in particular to a steel strand pier head.

Background

The heading is that the end of the steel bar is thickened by using pressure, cold heading and hot heading are commonly used, and the existing high-strength steel bar heading only has a single wire and does not have the heading of a whole bundle of steel strands.

Disclosure of Invention

The invention aims to solve the technical problems of improving the strength of a pier head and prolonging the service life, and provides a steel strand pier head to solve the problems.

The object of the invention is achieved in the following way:

a steel strand pier head comprises an anchor plate, wherein a middle wire is arranged in the middle of the anchor plate in the vertical direction, a plurality of edge wires which are arranged circumferentially are arranged on the periphery of the middle wire, the middle wire is wrapped and fastened by the edge wires, a first arc-shaped head is arranged at the upper end of the middle wire, a second arc-shaped head is arranged at the upper end of the edge wire, and the second arc-shaped head is arranged around the first arc-shaped head in a clockwise rotating mode.

The edge wire and the middle wire are obliquely arranged, and the edge wire rotates and inclines along the clockwise direction.

The included angle between the middle wire and the side wire is 50-60 degrees.

The second arc-shaped head is arranged around the central filament in a hemispherical shape at a helix angle of 60-80 degrees.

The end parts of the second arc-shaped head and the first arc-shaped head are both positioned on the same spherical surface.

Compared with the prior art, the steel strand connection device has the advantages that the first arc-shaped head and the second arc-shaped head can be supported through the middle wire and the side wire, the first arc-shaped head and the second arc-shaped head are fixed, the first arc-shaped head and the second arc-shaped head clamp a working part, the middle wire, the side wire, the first arc-shaped head and the second arc-shaped head are used in a closely matched mode, the first arc-shaped head and the second arc-shaped head are under the action of tension, the stress strength of a pier head is enhanced, the service life is prolonged, the upset head of the whole bundle of steel strands is achieved, and meanwhile, a new way for connecting the steel strands is added.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a top view of fig. 1.

Fig. 3 is a schematic view of the installation of the middle wire and the side wire.

Fig. 4 is a schematic view of the first and second arcuate heads.

The anchor plate comprises an anchor plate 1, a middle wire 2, a first arc-shaped head 3, a side wire 4 and a second arc-shaped head 5.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

As shown in the attached drawings 1 to 4, the steel strand pier head comprises an anchor plate 1, wherein a middle wire 2 is arranged in the middle of the anchor plate 1 in the vertical direction, a plurality of side wires 4 which are arranged circumferentially are arranged on the periphery of the middle wire 2, the side wires 4 wrap and fasten the middle wire 2, an arc-shaped first arc-shaped head 3 is arranged at the upper end of the middle wire 2, a second arc-shaped head 5 is arranged at the upper end of the side wire 4, the second arc-shaped head 5 is arranged around the first arc-shaped head 3 in a clockwise rotating mode, the middle wire 2 and the first arc-shaped head 3 are integrated, the side wires 4 and the second arc-shaped head 5 are integrated, the middle wire 2 and the side wires 4 are mainly used for fixing the first arc-shaped head 3 and the second arc-shaped head 5, and the peripheries of the first arc-shaped head 3 and the second arc-shaped head 5 form a hemispherical mushroom-shaped upset head around.

The side wires 4 and the middle wires 2 are obliquely arranged, the side wires 4 rotate and incline in the clockwise direction, the side wires 4 are spirally arranged and are tightly attached to each other, the side wires incline around the middle wires 2 in a rotating state, the middle wires 2 are surrounded by clusters, and gaps are not reserved.

The included angle between the middle wire 2 and the side wires 4 is 50-60 degrees, as shown in figure 1, six side wires 4 are arranged, the side wires 4 are tightly rotated around the middle wire 2 and are obliquely arranged, and the included angle is 50-60 degrees, so that the middle wire 2 is ensured to be wrapped.

The second arc-shaped head 5 is arranged around the central filament 2 in a hemispherical shape at a helix angle of 60-80 degrees, the second arc-shaped head 5 is arranged at the helix angle, and the first arc-shaped head 3 and the second arc-shaped head form a sphere, namely a mushroom head shape.

The ends of the second arc-shaped head 5 and the first arc-shaped head 3 are positioned on the same spherical surface, so that the first arc-shaped head 3 and the second arc-shaped head 5 are ensured to be spherical.

The middle wires 2 are closely arranged, the side wires 4 fill the middle space and increase the strength of the middle wires, the middle wires 2 and the side wires 4 are prestressed steel strands, the prestressed steel strands are stranded steel cables formed by 2, 3, 7 or 19 high-strength steel wires, and are subjected to stress relief treatment (stabilization treatment), so that the prestressed concrete or similar purposes are realized.

The prestressed steel strand has the main characteristics of high strength, good relaxation performance and straightening performance when unfolded. Common tensile strength grades are 1860 mpa, and also strength grades such as 1720, 1770, 1960, 2000, 2100 mpa. The yield strength of this steel is also high.

Grade 2000 steel strand upset DTM 15.

The working process of the invention is as follows: when using, with well silk 2 and 4 fixed arrangement on anchor slab 1 of limit silk, fixed mode is the welding, and well silk 2 and 4 pass the work hole of limit silk, then carry out the operation through the pier nose machine centering silk 2 and 4 upper ends of limit silk, form first arc head 3 and second arc head 5, form hemispherical with first arc head 3 and second arc head 5.

According to the invention, the first arc-shaped head 3 and the second arc-shaped head 5 can be supported by the middle wire 2 and the side wire 4, the first arc-shaped head 3 and the second arc-shaped head 5 are fixed, the first arc-shaped head 3 and the second arc-shaped head 5 clamp the working part, the middle wire 2, the side wire 4, the first arc-shaped head 3 and the second arc-shaped head 5 are tightly matched for use, the first arc-shaped head 3 and the second arc-shaped head 5 are under the action of tension, the stress strength of the pier head is enhanced, and the service life is prolonged.

The invention can realize the heading of the whole bundle of steel strands through the cold heading of the steel strand heading device, and simultaneously increases a new way for connecting the steel strands.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and it should be understood by those skilled in the art that various modifications and variations can be made without inventive efforts by those skilled in the art based on the technical solution of the present invention.