Monitoring electrohydraulic control pile foundation enlarged base device

Abstract

The invention relates to a monitoring electrohydraulic control pile foundation enlarged base device comprises a rapid connecting flange, a hole pattern passing larger diameter electrohydraulic rotary joint, a mechanical type electrohydraulic rubber tube spool and an enlarged base bucket body, wherein the enlarged base bucket body is a collapse prevention enlarged base bucket body, and comprises an inner upright post connected with a drill rod on a rotating drilling machine as well as an upper collapse prevention retaining wall cylinder and a lower enlarged base earth getting bucket which are connected to the inner upright post; the lower enlarged base earth getting bucket comprises a front side wall, a rear side wall, a left bearizing shovel piece, a right bearizing shovel piece, a left bearizing shovel piece oil cylinder, a right bearizing shovel piece oil cylinder and a bottom cap which can be opened and closed; and the left bearizing shovel piece oil cylinder and the right bearizing shovel piece oil cylinder are internally provided with displacement sensors, and the displacement sensors are in signal connection with a rotating drilling machine display on the rotating drilling machine. The device is provided with the upper collapse prevention retaining wall cylinder, and has higher pore-forming breast wall performance. The device provided by the invention has the advantages that the structure is simple, the soil containing quantity is greatly improved, and the device also is additionally provided with a monitoring function.

Description

technical field [0001] The invention relates to a bottom-expanding device for bottom-expanding cast-in-place pile construction. Background technique [0002] There are some deficiencies in the traditional bottom expansion device, which are as follows: 1. During the construction operation, the bottom of the hole is easy to collapse when the soil is expanded, and the formability of the bottom of the hole is poor. At the same time, after the completion of the expansion operation, less soil or It is impossible to take soil, which will easily affect the construction efficiency; 2. The size and quality of the bottom expansion cannot be confirmed, which will affect the bearing capacity of the pile, resulting in construction companies cutting corners and materials, and the design institute dare not design, which directly affects the promotion and application of bottom expansion piles in my country . Contents of the invention [0003] The purpose of the present invention is to provi...

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Problems solved by technology

[0003] The purpose of the present invention is to provide a monitorable electro-hydraulic control pile foundation bottom expansion device, to solve the technical problems of poor bottom expansion effect of the traditional bottom expansion device, the size of the bottom expansion situation, and the quality cannot be confirmed

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