Supporting pile tensioning device

A tensioning device and supporting pile technology, applied in the direction of strengthening and forming, can solve the problems of poor reliability, many parts, and the overall structure of the tensioning device is not compact enough, so as to achieve a compact and reasonable overall structure, avoid interference, and operate simple effect

Active Publication Date: 2013-12-18
俞晓东
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Problems solved by technology

[0003] Although this type of tensioning device is suitable for tensioning the above-mentioned hollow square piles, round piles and tubular piles, for reinforced concrete piles of special shapes, such as H-shaped support piles, U-shaped support piles, and V-shaped support piles Pile and other irregular support piles, because this type of support piles are solid piles and the prestressed tendons in the pile are arranged in the sa

Method used

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Embodiment Construction

[0019] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0020] As shown in the figure, a supporting pile tensioning device includes a tensioning drive mechanism 01 and a locking mechanism 02 for locking the prestressed tendons at the rear end of the pile formwork 1. In this embodiment: the prestressed tendons Adopt prestressed steel bar, also can adopt other types of prestressed tendons certainly, as prestressed steel strand etc.; For the tension of other irregular solid support piles, such as U-shaped support piles, V-shaped support piles and other irregular solid support piles.

[0021] The support pile tensioning device also includes a pre-tensioning mechanism 03 for pre-tensioning the front end of the pile formwork 1, and the pre-tensioning mechanism 03 includes a connecting plate 31, a front anchoring plate 32, a connecting front anchoring plate 32 and a connecting plate 31 a plurality of connecting rods 33....

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Abstract

The invention discloses a supporting pile tensioning device. The supporting pile tensioning device comprises a tensioning drive mechanism (01), a locking mechanism (02) and a pretensioning mechanism (03), wherein the locking mechanism (02) is used for locking prestressed tendons at the rear ends of pile molds (1), and the pretensioning mechanism (03) is used for pretensioning prestressed tendons at the front ends of the pile molds (1); the pretensioning mechanism (03) comprises a connecting plate (31), a front anchor plate (32) and a plurality of connecting rods (33) which are used for connecting the front anchor plate (32) and the connecting plate (31), a drive output rod (14) of the tensioning drive mechanism (01) is connected with the connecting plate (31), and the prestressed tendons at the front ends of the pile molds (1) are anchored on the front anchor plate (32). The supporting pile tensioning device can be used for tensioning solid supporting piles and is compact and reasonable in overall structure and reliable in tensioning.

Description

technical field [0001] The invention relates to the technical field of tensioning of prestressed tendons in piles, in particular to a tensioning device for supporting piles. Background technique [0002] At present, the more common reinforced concrete piles are divided into square piles, round piles and tubular piles. When tensioning, because the pile body is generally hollow, the tensioning device is used to anchor the hollow anchorage of the prestressed tendons in the pile body. The plate can be directly installed on the end plate of the pipe formwork, and at this time, the hollow pile body also provides an installation space for the drive output rod of the tensioning machine that provides the driving force of the tension, avoiding the use of the anchor plate for anchoring the prestressed tendons The interference of the anchors with the installation space of the drive output rod ensures that the drive output rod is located in the center of the pile body. [0003] Although...

Claims

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Application Information

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IPC IPC(8): B28B21/60
Inventor 俞晓东张赵杰
Owner 俞晓东
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