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A two-half engineering tensioning system with screw teeth

A tensioning and screw thread technology, applied in bridge form, processing of building materials, erection/assembly of bridges, etc., can solve problems such as inability to provide reaction force points, inability to tension construction, etc., to facilitate reuse, improve construction quality, Easy to install effect

Active Publication Date: 2018-07-27
LIUZHOU OVM ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The object of the present invention is to provide a two-half engineering tensioning system with threads, which can be adapted to a threaded connecting rod formed by a connecting rod with threads at both ends and a sleeve with threads in the middle. The connecting rod-sleeve anchoring system of the teeth, the tensioning mode of the anchoring system is achieved through the knob of the sleeve; to solve the problem that the effective The reaction force point, resulting in the problem that the construction cannot be tensioned

Method used

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  • A two-half engineering tensioning system with screw teeth
  • A two-half engineering tensioning system with screw teeth
  • A two-half engineering tensioning system with screw teeth

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0061] A two-half engineering tensioning system with screw teeth in the anchor holes on the upper tension pole beam 51 and the lower tension pole beam 52 with screw teeth.

[0062] Such as figure 1 As shown, the two-half engineering tensioning system with screw teeth includes an upper part of the reaction force device, a lower part of the reaction force device and a tension rod 6 connecting the upper part of the reaction force device and the lower part of the reaction force device and installed in the adjustment The hoop 9 on the sleeve 10, the upper part of the reaction force device includes the upper tension nut 1a, the jack 2, the tension support foot 3, the tension temporary anchor nut 1b, the temporary anchor pad I41 and the upper tension pole beam 51, the lower part of the reaction force device includes a lower tension pole beam 52, a lower tension nut 1c and a temporary anchor pad II 42;

[0063] Such as Figure 4-1~Figure 4-2 As shown, the anchor holes on the upper t...

Embodiment 2

[0066] An engineering tensioning system in which the anchor holes on the upper tension pole beam 51 and the lower tension pole beam 52 are two halves without screw teeth and with screw teeth.

[0067] Such as figure 1 As shown, the two-half engineering tensioning system with screw teeth includes an upper part of the reaction force device, a lower part of the reaction force device and a tension rod 6 connecting the upper part of the reaction force device and the lower part of the reaction force device and installed in the adjustment The hoop 9 on the sleeve 10, the upper part of the reaction force device includes the upper tension nut 1a, the jack 2, the tension support foot 3, the tension temporary anchor nut 1b, the temporary anchor pad I41 and the upper tension pole beam 51, the lower part of the reaction force device includes a lower tension pole beam 52, a lower tension nut 1c and a temporary anchor pad II 42;

[0068] Such as Figure 5-1~Figure 5-2 As shown, the anchor ...

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Abstract

The invention provides a two-half type engineering tensioning system with screw teeth. The two-half type engineering tensioning system comprises an upper part counterforce device composed of an upper tensioning nut, a jack, a tensioning arm brace and an upper tensioning shoulder pole beam, a lower part counterforce device composed of a lower tensioning shoulder pole beam and a lower tensioning nut, a tensioning rod connected onto the upper part counterforce device and the lower part counterforce device, and a hoop mounted on an adjusting sleeve; the upper tensioning shoulder pole beam and the lower tensioning shoulder pole beam are of a two-half type and can be fitted and separated; an anchoring hole is formed in the middle of each piece of the shoulder pole beam in horizontal and vertical directions in a penetrating manner; the anchoring holes are matched with a structure needing to be tensioned; the anchoring holes are provided with the screw teeth or have no screw teeth and are matched with half nuts mounted on the anchoring holes; and at a working state, a distance S between the upper part counterforce device and the lower part counterforce device mounted on a connecting rod-sleeve anchoring system with the screw teeth is reduced through the tensioning of the jack, so that the aim of tensioning is realized. The tensioning system provides an effective counterforce point for a tensioning manner of the connecting rod-sleeve anchoring system with the screw teeth and the problem that the system cannot tension and construct is solved.

Description

technical field [0001] The invention relates to an engineering tensioning system, which is not only suitable for the tensioning of the suspenders of suspension bridges, but also applicable to all tensioning engineering systems that require the prestressed tendons or sling bodies to be able to rotate, move and stretch during construction. Background technique [0002] In recent years, with the continuous innovation of the anchoring form of prestressed structures, in the tensioning of suspension bridge suspenders and other tensioning engineering systems that require prestressed tendons or slings to be able to rotate, move and expand in a wide range during the construction process Among them, people have designed a very novel and beautiful new anchoring method. This anchoring method is different from the previous pressure-bearing anchoring method. It is composed of a connecting rod with screw teeth at both ends and a sleeve with screw teeth in the middle. The connecting rod-sle...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E01D21/00E01D11/02E04G21/12
CPCE01D11/02E01D21/00E04G21/121
Inventor 余丹韦福堂方建回甘科黄家珍沈阳斌方业珍冼卓裴明
Owner LIUZHOU OVM ENG
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