Full-pile casing construction device

Abstract

Construction equipment using a total guard barrel construction method. The equipment comprises: soil excavation equipment (1) and a rubbing-pipe drilling machine (2). A power source of the rubbing-pipe drilling machine (2) is a power component for the soil excavation equipment (1). The rubbing-pipe drilling machine (2) is installed on the body of the soil excavation equipment through an interface base (21). A chassis (22) of the rubbing-pipe drilling machine (2) is provided with a pressing platform (221). The interface base (21) comprises a pressing block. When the rubbing-pipe drilling machine (2) presses a guard barrel, the chassis (22) is raised and integrally rotates with respect to the interface base (21). After rotation by a predetermined angle, the pressing block and the pressing platform (221) are held against the chassis (22) to limit further movement of the chassis (22). The interface base (21) and the soil excavation equipment (1) are fixedly connected and therefore cannot rotate, and the weight of the soil excavation equipment (1) suppresses further raise of the chassis (22). The soil excavation equipment replaces the counterweight of the rubbing-pipe drilling machine (2), thereby reducing the construction cost.

Description

technical field [0001] The invention relates to the field of construction machinery, in particular to a construction device of the full-casing construction method. Background technique [0002] The construction process of modern construction projects generally begins with pile foundation construction, so foundation pile construction is particularly important. Among many foundation piling construction methods, full-casing construction is an important construction method that is widely used. Full-casing construction means that by connecting multiple casing sections of a certain length together, the entire pile depth is pressed into the entire range or pressed into a stable ground, so as to cooperate with manual, punching grab, rotary excavation, impact Methods such as drilling take soil and form hole, and the construction method that casing is pulled out after hole forming is finished. Due to the supporting and sealing effect of the casing on the ground, problems such as pil...

AI Technical Summary

Problems solved by technology

[0011] The full-rotary drilling rig uses the oil cylinder to press down and pull out the casing, and uses the motor to drive the rotation of the casing to cut the formation. However, it cannot drill and take soil at the same time. The construction efficiency is low, and the fully rotary drilling rig and the drilling and soil extraction equipment need to be powered separately during the construction process, which makes the construction cost higher;

[0012] The impact hammer is only suitable for field operations due to its noise, and it only has the ability to press down the casing, not to pull out the casing

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