Self-expanded body anti-floating anchor rod

An anti-floating bolt and self-expanding technology, which is applied in construction, infrastructure engineering, protection devices, etc., can solve the problems of the mechanical parameters of the rock and soil body, the shape of the hole is not standardized, etc., and achieve simple structure, convenient operation, and anti-floating good effect

Pending Publication Date: 2019-07-12
CHINA JINGYE ENG TECH CO LTD
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0003] In order to improve the bearing capacity of the anti-floating anchor, the volume of the anchor hole is usually expanded in the anchorage section, and the commonly used high-pressure water scouring rock and soil or blasting methods form holes with irregular shapes or reduce the mechanical parameters of the rock and soil body

Method used

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  • Self-expanded body anti-floating anchor rod
  • Self-expanded body anti-floating anchor rod
  • Self-expanded body anti-floating anchor rod

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Embodiment Construction

[0024] The present invention will be further described in conjunction with the accompanying drawings and specific embodiments.

[0025] see Figure 5 to Figure 7 , the invention discloses a self-expanding anti-floating anchor rod, which is a pressure-bearing self-expanding body anchor rod, including a main rod 1, an expanding body anchoring mechanism 3 and a driving member 4, and the expanding body anchoring The mechanism 3 is arranged on the main rod 1, and the driving part 4 is set on the expanding body anchoring mechanism 3, and the driving part 4 drives the expanding body anchoring mechanism 3 to expand in the radial direction and move axially along the main rod 1 to perform hole reaming.

[0026] see Figure 5 with Image 6 , the expansion body anchoring mechanism 3 comprises upper nut 31 and lower nut 32, and upper nut 31 hinges some upper reaming arms 33, and lower nut 32 hinges some lower reaming arms 34, and upper reaming arm 33 and lower reaming arm 34 one by one ...

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Abstract

The invention discloses a self-expanded body anti-floating anchor rod, and relates to the technical field of construction engineering. The self-expanded body anti-floating anchor rod is a pressure-bearing type self-expanded body anchor rod and includes a main rod, an expanded body anchoring mechanism and a driving piece, wherein the expanded body anchoring mechanism is arranged on the main rod, the driving piece sleeves the expanded body anchoring mechanism, and the driving piece drives the expanded body anchoring mechanism to expand in the radial direction and to move along the main rod in the axial direction so as to perform hole expanding movements. According to the self-expanded body anti-floating anchor rod, the driving piece drives the expanded body anchoring mechanism to expand in the radial direction and to move along the main rod in the axial direction to perform the hole expanding movements, thus a hole diameter of a deep hole is widened, hole expanding positioning is accurate, and the shape is fixed; and the self-expanded body anti-floating anchor rod is simple in structure, convenient to operate and good in anti-floating effect.

Description

technical field [0001] The invention relates to the technical field of construction engineering, in particular to a self-expanding anti-floating anchor rod. Background technique [0002] With the increasing development of the national economy, large-scale implementation of urban construction. In order to fully develop and utilize the underground space, the use of buried underground structures as garages and other functions is gradually increasing. With the emergence of high-rise and super high-rise buildings, the foundation is buried deeper and deeper. For the case of underground structures with large building area, deep foundation and relatively few building floors, when the groundwater level is high, the self-weight of the building structure is not enough to resist the buoyancy of groundwater. Therefore, it is necessary to use anti-floating anchor rods to resist the buoyancy brought by groundwater to buildings. [0003] In order to improve the bearing capacity of the ant...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D5/80E02D31/12
CPCE02D5/801E02D5/803E02D31/12E02D2600/30
Inventor 林振德陈云彬黄清祥陈建勋王浩
Owner CHINA JINGYE ENG TECH CO LTD
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