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Annular prestressed concrete electric pole and production process thereof

A technology of concrete rods and concrete, applied in the direction of manufacturing tools, reinforced molding, ceramic molding machines, etc., can solve the problems of unfavorable transportation, loading and unloading and construction, complicated manufacturing process, high production cost, etc., and achieve simple structure, easy manufacturing, and weight reduction Effect

Inactive Publication Date: 2010-02-24
陈子成
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the electric pole produced by using the above-mentioned process and raw materials is not only complicated in manufacturing process, but also has a large weight of the entire pole body, which is not conducive to subsequent use such as transportation, loading and unloading, and construction, and the production cost is relatively high

Method used

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  • Annular prestressed concrete electric pole and production process thereof
  • Annular prestressed concrete electric pole and production process thereof
  • Annular prestressed concrete electric pole and production process thereof

Examples

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Embodiment Construction

[0037] see figure 1 , is a schematic cross-sectional structure diagram of an embodiment of the annular prestressed concrete electric pole of the present invention, including a concrete pole body 1 and a reinforcement cage embedded in the pole body 1, the concrete pole body 1 is in the shape of a pyramid, and its taper is 1:75 , The head of the concrete rod body is provided with an end cover 12, and the steel cage is composed of 11 equal-length main bars 2, outer spiral bars 3 and inner spiral bars 4 bound together. The main reinforcement 2 is made of high-strength steel wire with a strength of 1570MPa and a diameter of 3.6mm; figure 2 As shown, the internal spiral rib 4 is made of high-strength steel wire with a strength of 1570MPa, a diameter of 2.0mm, and a pitch of 20cm; image 3 The outer spiral reinforcement shown is made of cold-drawn steel wire with a strength of 650MPa, a diameter of 2.0mm, and a pitch of 10cm.

[0038] like Figure 4 As shown, the 11 main ribs 2 a...

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Abstract

The invention relates to an overhead line apparatus for power communication transmission, in particular to a concrete electric pole used for erecting a transmission line and a production process thereof. The electric pole comprises a concrete pole body and a steel reinforcement cage buried in the pole body. The concrete pole body is of a cone shape of which the conical degree of the concrete polebody is 1:75. The head of the concrete pole body is provided with an end cover. The steel reinforcement cage is formed by binding a plurality of main reinforcements, internally spiral reinforcements and externally spiral reinforcements which are equal in length. The main reinforcements are uniformly distributed in the annular side wall of the concrete pole body with the central line of the concrete pole body as an axis. The internally spiral reinforcements and externally spiral reinforcements are uniformly wound and distributed on the inner and outer sides of the main reinforcements with the central line of the concrete pole body as an axis as well. A concrete protective layer of the steel reinforcement cage in the concrete pole body is no less than 10mm.

Description

[technical field [0001] The invention relates to an overhead line equipment for power communication transmission, in particular to a concrete pole for erecting a power transmission line and a production process thereof. 【Background technique】 [0002] The structure of traditional prestressed concrete poles generally consists of main reinforcements of equal length, plus a number of non-prestressed reinforcements evenly arranged on vertically distributed erecting rings, and then external spiral reinforcement is wound outside the main reinforcements to form a reinforcement cage. Afterwards, after pouring the concrete again, it forms a kind of prestressed concrete electric pole and its production process disclosed in the patent literature as the Chinese patent application number 200710027089. Segmented structure; concrete grout is poured into the mold by the steel cage, and after centrifugal molding and steam curing, it is formed into reinforced concrete above C80 grade. Among ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04H12/12E04H12/16B28B21/66B28B21/68B28B11/24
Inventor 陈子成
Owner 陈子成
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