Concrete pouring pile air bubble eliminator

Abstract

The invention discloses a cast-in-place concrete pile bubble eliminator. An upper-layer stirring device and a bottom-layer stirring device can perform same-direction or reverse-direction rotation under the driving of a middle-layer transmission structure and adjust the extending length of a stirring column according to the pile hole diameter to enable the cast-in-place concrete pile bubble eliminator to be suitable for casting piles different in pile diameter, the bubble eliminator can ascend or descend along with a casting pipe and is convenient to use, and the casting pipe is directly and fixedly connected with a motor fixing rack arranged in the middle-layer transmission structure so that all connecting rods can play a motor protection role without direct connection between the connecting rods and the motor. An annular groove formed in the bottom of a side support plate is mutually clamped with a lower plate side groove formed in a lower rotating plate, so that the side support plate can limit the lower rotating plate in the vertical direction, sealing floating rings are arranged at the connected horizontal portions of the two plates to form three seals, mortar and water are effectively prevented from permeating into a middle cavity of a transmission support, and normal operation of the motor is ensured.

Description

technical field [0001] The invention relates to the technical field of civil engineering, in particular to an air bubble eliminator for concrete pouring piles. Background technique [0002] The cast-in-situ concrete pile is a kind of pile formed by directly forming a hole on the spot pile position, and then pouring concrete in the hole or placing a steel cage and then pouring concrete. The characteristic is that the pile diameter can be selected according to the needs, and piles with a diameter much larger than that of prefabricated piles can be built. Compared with the hammering method in sinking piles, the construction noise and vibration are much smaller, and it can be applied to various foundations. There are generally two types of existing concrete cast-in-place piles: immersed tube cast-in-place piles and bored cast-in-place piles. Among them, immersed tube cast-in-place piles use hammering pile sinking equipment to sink tubes and pull out tubes to form piles, which ar...

AI Technical Summary

Problems solved by technology

However, the concrete pouring piles that adopt the drilling process also have their defects: the quality of the concrete pouring has a great influence on the bearing capacity of the piles. If air bubbles appear in the pouring process, honeycombs will be formed on the pile body, and these honeycombs will seriously reduce the bearing capacity of the piles. carrying capacity

However, in the existing technology, the concrete with a relatively large slump is only used to form a pile by its own weight, and the pile body is not compacted by techniques such as vibration and mixing. This is because the vibration and mixing of concrete pouring piles have objective difficulties. First of all, the pile length of cast-in-situ piles is generally more than ten meters to tens of meters, and the vibrating rod cannot reach such a deep depth at all. If the condition is inside, it is difficult to vibrate and the effect is not good

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