CN-121995797-A - Pile foundation pile casing follow-up system of self-adaptation topography

CN121995797ACN 121995797 ACN121995797 ACN 121995797ACN-121995797-A

Abstract

The invention discloses a pile foundation pile casing follow-up system of self-adaptive terrain, which relates to the field of pile foundation construction and comprises a multi-source information sensing module, a central intelligent control module, a three-dimensional posture adjusting module and a man-machine interaction and remote monitoring module, wherein the multi-source information sensing module is used for collecting environment information, posture information and system state information inside and outside a pile casing in real time, the output end of the multi-source information sensing module is in communication connection with the input end of the central intelligent control module, the central intelligent control module is used for processing sensing information, making intelligent decisions and generating control instructions, the output end of the central intelligent control module is respectively connected with the three-dimensional posture adjusting module and the input end of the pressure and vibration adjusting module, the three-dimensional posture adjusting module is used for executing instructions of the central intelligent control module, carrying out accurate adjustment on the posture of the pile casing, and the pressure and vibration adjusting module is used for adjusting the downward force of the pile casing and applying high-frequency vibration according to the instructions so as to reduce follow-up resistance. The invention has the advantages of high-precision pile forming, strong self-adaptive capacity, high construction efficiency, good safety and digital management.

Inventors

Long Binghui
LIU WENTAO
TANG ZUWEN
LIU WEI
CHEN LIANG
CHEN YUTING

Assignees

中交路桥华南工程有限公司

Dates

Publication Date: 20260508
Application Date: 20251210

Claims (10)

1. Pile foundation pile casing follow-up system of self-adaptation topography, its characterized in that includes: The multisource information sensing module is used for collecting environment information, attitude information and system state information of the inside and the outside of the casing in real time, and the output end of the multisource information sensing module is in communication connection with the input end of the central intelligent control module; the central intelligent control module is used for processing the perception information, making intelligent decisions and generating control instructions, and the output ends of the central intelligent control module are respectively connected with the input ends of the three-dimensional posture adjustment module and the pressure and vibration regulation and control module; the three-dimensional posture adjustment module is used for executing the instruction of the central intelligent control module and accurately adjusting the three-dimensional space of the posture of the pile casing; the pressure and vibration regulation and control module is used for regulating the lowering force of the protective cylinder and applying high-frequency vibration according to the instruction so as to reduce follow-up resistance; the man-machine interaction and remote monitoring module is used for providing parameter setting, state display, data recording and remote access functions and is in bidirectional communication connection with the central intelligent control module; and the energy and power distribution module is used for providing stable and manageable power for each electric and hydraulic unit of the system.
2. The pile foundation casing follow-up system of claim 1, wherein the multi-source information sensing module specifically comprises a topography geological sensing unit, a gesture monitoring unit, a pressure monitoring unit and a depth and position positioning unit.
3. The pile foundation casing follow-up system of claim 2, wherein the topography sensing unit comprises a laser radar and ultrasonic sensor array mounted to the bottom and outer side walls of the casing for scanning and constructing a three-dimensional model of formations in front of and surrounding the casing; The attitude monitoring unit comprises high-precision inertial measurement units arranged at the top and the middle of the pile casing and is used for monitoring the three-dimensional inclination angle, azimuth angle, acceleration and angular velocity of the pile casing in real time; the pressure monitoring unit comprises a distributed optical fiber pressure sensor and a soil pressure box, and is arranged on the edge foot and the outer side wall of the protective barrel and used for measuring circumferential soil pressure, side friction resistance and end resistance of the protective barrel at different depths; the depth and position positioning unit comprises a GNSS receiver and a laser ranging sensor and is used for acquiring absolute geographic coordinates and the running depth of the casing.
4. The pile casing follow-up system of claim 1, wherein the central intelligent control module comprises a data processing unit, an intelligent decision unit and an instruction distribution unit, wherein: The data processing unit receives the original data from the multi-source information sensing module, performs data optimization by adopting a Kalman filtering and sensor fusion algorithm, and generates accurate real-time state information of the casing; Expert systems based on fuzzy logic or machine learning models are embedded in the intelligent decision unit, the real-time state is compared with preset ideal construction parameters, and when deviation or risk is detected, a built-in algorithm library is called to calculate a set of comprehensive correction schemes comprising posture adjustment, pressure regulation and vibration control in real time; The instruction distribution unit converts the correction scheme into a specific and executable control instruction and accurately transmits the specific and executable control instruction to the three-dimensional posture adjustment module and the pressure and vibration regulation and control module.
5. The pile foundation casing follow-up system of claim 4, wherein the intelligent decision unit employs a layered decision mechanism: The first layer is a high-speed reaction layer based on rules and is used for processing sudden and urgent deviation; the second layer is an optimization decision layer based on a model and is used for processing complex and gradual working conditions.
6. The pile foundation casing follow-up system of claim 1, wherein the three-dimensional attitude adjustment module comprises an actuator and a drive mechanism; The actuating mechanism is composed of at least four groups of high-precision electrohydraulic servo hydraulic cylinders, the four groups of hydraulic cylinders are arranged between a guide frame at the top of the pile casing and a fixed platform or a drilling machine chassis in a crisscross symmetrical manner, and each group of hydraulic cylinders can independently perform telescopic control; the driving mechanism comprises a servo motor, a hydraulic pump station, a servo valve and a precise displacement sensor; the servo valve receives a current signal from the central intelligent control module, controls the flow and pressure of the hydraulic cylinder, and further controls the expansion speed and the strength of the push rod; And the displacement sensor feeds back the stroke position of the hydraulic cylinder in real time to form secondary closed-loop control.
7. The pile foundation casing follow-up system of claim 1, wherein the pressure and vibration control module comprises a pressure control unit and a high frequency vibration unit; the pressure regulating unit is integrated in the main hoisting winch; The high-frequency vibration unit is a double-shaft eccentric block hydraulic vibration hammer and is arranged at the top of the pile casing, and the exciting force and frequency of the high-frequency vibration unit are controlled by the central intelligent control module through a servo valve.
8. The pile foundation casing follow-up system of claim 1, wherein the man-machine interaction and remote monitoring module comprises a local interaction terminal, a remote monitoring platform and a data management unit; The local interaction terminal is an industrial touch screen man-machine interface arranged in the operation room; The remote monitoring platform encrypts and transmits system data to the cloud server through a 4G/5G industrial router, and an authorized user remotely monitors the states of a plurality of pile foundation construction points in real time through a Web browser or a mobile APP, and performs remote diagnosis and parameter preset; The data management unit automatically marks all sensor data, control instructions and operation events with time stamps to form a structured electronic construction log.
9. The pile foundation casing following system of claim 1, wherein the energy and power distribution module is an intelligent power station, which adopts a variable-frequency diesel generator set or a lithium battery pack as a primary power source and is provided with an intelligent multi-path hydraulic pump station and a power self-adaptive distributor.
10. The pile casing follow-up system of claim 1, wherein the logic comprises the steps of: s1, inputting target parameters of the construction through a man-machine interaction module; s2, starting the system, and continuously collecting and uploading data by the multi-source information sensing module; s3, the data processing unit of the central intelligent control module performs fusion processing on the data to obtain the accurate state of the casing; S4, the intelligent decision unit compares the current state with the target parameter to judge whether intervention is needed, if not, the intelligent decision unit circularly executes S2-S4, and if so, S5 is executed; S5, the intelligent decision unit generates a comprehensive correction instruction and issues the comprehensive correction instruction to the execution module; S6, executing instructions by the three-dimensional posture adjustment module and the pressure and vibration regulation module, correcting the pile casing posture and overcoming the resistance; s7, the perception module collects effect data after instruction execution and feeds the effect data back to the central control module to form a closed loop; S8, repeating the steps S3-S7 until the pile casing reaches the design elevation, and stopping the system.

Description

Pile foundation pile casing follow-up system of self-adaptation topography Technical Field The invention relates to the field of pile foundation construction, in particular to a pile foundation pile casing follow-up system adaptive to terrain. Background In pile foundation construction of bridge, high-rise building and other engineering, the pile casing is important to position, protect hole wall, prevent collapse and isolate underground water. When the pile casing is constructed in complex terrains (such as slopes, uneven hard and soft stratum and underwater environment), the traditional pile casing lowering method has the obvious defects that firstly, the perpendicularity of the pile casing is difficult to ensure depending on manual operation and experience, pile position deviation is caused, pile forming quality is affected, secondly, when geological conditions are suddenly changed, the pile casing is easy to be blocked, inclined and even deformed, construction efficiency is low, potential safety hazards are high, thirdly, the traditional mechanical equipment lacks intelligent regulation capability, cannot respond to stratum feedback in real time, and the degree of automation is low. Therefore, an intelligent system capable of sensing the change of the external environment in real time and automatically adjusting the lowering posture and strength to ensure that the protection barrel always follows in the optimal state is urgently needed. Therefore, the invention provides a pile foundation pile casing follow-up system which is self-adaptive to terrain. Disclosure of Invention The invention aims to solve the defects in the prior art, and provides a pile foundation casing follow-up system with a self-adaption terrain. In order to achieve the above purpose, the present invention adopts the following technical scheme: a pile foundation casing follow-up system of adaptive terrain, comprising: The multisource information sensing module is used for collecting environment information, attitude information and system state information of the inside and the outside of the casing in real time, and the output end of the multisource information sensing module is in communication connection with the input end of the central intelligent control module; the central intelligent control module is used for processing the perception information, making intelligent decisions and generating control instructions, and the output ends of the central intelligent control module are respectively connected with the input ends of the three-dimensional posture adjustment module and the pressure and vibration regulation and control module; the three-dimensional posture adjustment module is used for executing the instruction of the central intelligent control module and accurately adjusting the three-dimensional space of the posture of the pile casing; the pressure and vibration regulation and control module is used for regulating the lowering force of the protective cylinder and applying high-frequency vibration according to the instruction so as to reduce follow-up resistance; the man-machine interaction and remote monitoring module is used for providing parameter setting, state display, data recording and remote access functions and is in bidirectional communication connection with the central intelligent control module; and the energy and power distribution module is used for providing stable and manageable power for each electric and hydraulic unit of the system. Preferably, the multi-source information sensing module specifically comprises a terrain and geological sensing unit, a gesture monitoring unit, a pressure monitoring unit and a depth and position positioning unit. Preferably, the terrain geological sensing unit comprises a laser radar and ultrasonic sensor array which are arranged at the bottom and the outer side wall of the casing and are used for scanning and constructing a three-dimensional model of stratum in front of and around the casing; The attitude monitoring unit comprises high-precision inertial measurement units arranged at the top and the middle of the pile casing and is used for monitoring the three-dimensional inclination angle, azimuth angle, acceleration and angular velocity of the pile casing in real time; the pressure monitoring unit comprises a distributed optical fiber pressure sensor and a soil pressure box, and is arranged on the edge foot and the outer side wall of the protective barrel and used for measuring circumferential soil pressure, side friction resistance and end resistance of the protective barrel at different depths; the depth and position positioning unit comprises a GNSS receiver and a laser ranging sensor and is used for acquiring absolute geographic coordinates and the running depth of the casing. Preferably, the central intelligent control module comprises a data processing unit, an intelligent decision unit and an instruction distribution unit, wherein: The data processing unit rece