CN213329140U - Multi-sensor fusion pile pressing quality monitoring system for soft foundation precast pile - Google Patents

Abstract

The utility model discloses a pile pressing quality monitoring system for a soft foundation precast pile with multiple sensors integrated, wherein, an inclination angle sensor is arranged at the upper end of a pile hammer of a static pile pressing machine; the laser distance measuring sensor is arranged on the side edge of a pile hammer of the static pile pressing machine; the pressure sensor is arranged in a main hydraulic oil path of the static pile press; the incremental encoder is arranged on a cable for traction lifting of the static pile press; the RTK positioning sensor is arranged on a control chamber of the static pile pressing machine; the core processing module is arranged in a control chamber of the static pile press; the man-machine interaction equipment is arranged in a control chamber of the static pile pressing machine; the output ends of the tilt angle sensor, the laser ranging sensor, the pressure sensor, the incremental encoder and the RTK positioning sensor are electrically connected with the input end of the core processing module, the output end of the core processing module is electrically connected with the input end of the human-computer interaction device, and the core processing module is further connected with the cloud server.

Description

Multi-sensor fusion pile pressing quality monitoring system for soft foundation precast pile

Technical Field

The utility model belongs to the technical field of the automatic control early warning of production among the internet of things, especially, relate to a soft foundation precast pile pressing quality monitoring system that multisensor fuses.

Background

The common concrete precast piles in construction engineering include precast reinforced concrete square piles (solid square piles and hollow square bricks) and prestressed concrete tubular piles (PHC piles, PC piles and PTC piles), and pile sinking modes mainly include several modes such as hammering pile sinking, static pile pressing, water flushing pile sinking and the like according to different adopted equipment. Static pile pressing construction is more adopted in engineering construction in recent years due to the characteristics of convenience in checking pile body quality, high construction speed, low noise, no pollution discharge and the like. The prefabricated reinforced concrete pile is prefabricated in factory or construction site, and then transported to pile position, and through hammering, static pressure, vibration or water flushing, the pile is driven into soil to position.

In the actual pile driving engineering of static pile driving, because the engineering volume is big, construction speed is fast etc. factor, the supervision personnel can't carry out whole journey supervision, does not have reliable work progress yet and can trace back, causes to have a lot of bad construction phenomena to take place in the work progress to lead to construction quality not up to standard, including the pile body not enough, the circumstances such as pile driving force is not enough, pile position skew, pile body slope, finally influence the construction quality of precast pile.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a soft base precast pile quality monitoring system that multisensor fuses to concrete precast pile static force pile construction parameter monitoring is not comprehensive among the solution prior art, unable long-range real-time supervision, only monitors, and the uncontrolled does not have the early warning, and the interactive technical problem of feedback is not had to the system.

In order to achieve the above purpose, the technical solution of the utility model is that: the utility model provides a soft base precast pile pressure pile quality monitoring system that multisensor fuses for the monitoring of quiet power pile driver pile pressure construction, it includes: the system comprises a laser ranging sensor, a pressure sensor, an incremental encoder, a tilt angle sensor, an RTK positioning sensor, a man-machine interaction device, a core processing module and a cloud server; wherein

The laser ranging sensor is arranged on the side edge of a pile hammer of the static pile pressing machine;

the pressure sensor is arranged in a main hydraulic oil path of the static pile press;

the incremental encoder is arranged on a cable for traction lifting of the static pile press;

the inclination angle sensor is arranged at the upper end of a pile hammer of the static pile press;

the RTK positioning sensor is arranged on a control chamber of the static pile pressing machine;

the human-computer interaction equipment is arranged in a control chamber of the static pile pressing machine;

the core processing module is arranged in a control chamber of the static pile pressing machine;

the output ends of the tilt angle sensor, the laser ranging sensor, the pressure sensor, the incremental encoder and the RTK positioning sensor are electrically connected with the input end of the core processing module, and the output end of the core processing module is electrically connected with the input end of the human-computer interaction device;

the core processing module is further connected with the cloud server.

Further, the viewing angle of the laser ranging sensor is 90 ° vertically downward.

According to the technical scheme, the beneficial effects of the utility model are that: the utility model discloses a core processing module fuses many sensor data such as angular transducer, laser rangefinder sensor, pressure sensor, incremental encoder, RTK positioning sensor mutually, can the real-time recording quiet power pile driver's core construction parameters such as GPS coordinate, pile pressing force, pile pressing angle, pile pressing degree of depth to reach the high in the clouds server on all above-mentioned sensor data.

The utility model provides a and concrete precast pile pressing construction quality monitoring parameter is not comprehensive, and data master untimely, and man-machine interaction is poor, can't trace to the source, the untimely warning light technical problem that warns.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a system block diagram of a pile pressing quality monitoring system for a multi-sensor fused soft foundation precast pile of the utility model;

fig. 2 is the utility model discloses well multisensor fuses soft base precast pile quality monitoring system's installation schematic diagram.

Detailed Description

For the convenience of understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, and the description of the embodiments is not intended to limit the present invention.

Referring to fig. 1 and fig. 2, an embodiment of the utility model provides a multisensor fuses soft foundation precast pile quality monitoring system, include: the system comprises a laser ranging sensor 11, a pressure sensor 6, an incremental encoder 7, a tilt sensor 13, an RTK positioning sensor 4, a positioning antenna 5, a man-machine interaction device 2, a core processing module 3 and a cloud server;

specifically, the inclination angle sensor 13 is installed at the upper end of a pile hammer 12 of the static pile press; the laser distance measuring sensor 11 is arranged on the side edge of a pile hammer 12 of the static pile pressing machine; the pressure sensor 6 is arranged in a main hydraulic oil path of the static pile press 1; the incremental encoder 7 is arranged on a cable 8 which is pulled and lifted by the static pile press; the RTK positioning sensor 4 is installed in a control chamber of the static pile pressing machine, and the positioning antenna 5 is installed outside the control chamber of the static pile pressing machine; the core processing module 3 is arranged in a control chamber of the static pile pressing machine; the human-computer interaction equipment 2 is arranged in a control chamber of the static pile pressing machine; the output ends of the tilt angle sensor 13, the laser ranging sensor 11, the pressure sensor 6, the incremental encoder 7 and the RTK positioning sensor 4 are electrically connected with the input end of the core processing module 3, and the output end of the core processing module 3 is electrically connected with the input end of the human-computer interaction device 2; the core processing module 3 is connected with the cloud server.

In this embodiment, the laser distance measuring sensor 11 may be, but is not limited to, Shanghai Yingsboot-CCP-SZS-CGQ-WY-01; the pressure sensor 6 can adopt Beijing uniquely Xin Naoda technology HT-4H5, but is not limited to the technology; the incremental encoder 7 may employ ohm-E6B 2-CWZ6C, but is not limited thereto; the tilt sensor 13 can adopt Shanghai Yingsboot-PGT 05MEMS102-485, but is not limited to the above; the RTK positioning sensor 4 may employ watson i70 GNSS, but is not limited thereto; positioning antenna 5 may employ watson i70 GNSS, but is not limited thereto; the human-computer interaction device 2 can adopt a crown SG104-BGCM, but is not limited to the above; the core processing module 3 may employ a CJ-P8 recorder, but is not limited thereto.

The pile pressing quality monitoring system for the multi-sensor fused soft foundation precast pile comprises the following specific working steps: 1. and data acquisition, wherein the static pile press machine moves to a pre-designed pile position of the pile press, and the RTK positioning sensor automatically acquires GPS coordinate information of the current pile position and transmits the GPS coordinate information to the core processing module through an input signal line. The static pile press machine adjusts the precast pile away from the ground through the hoisting equipment on the pile press machine, adjusts the pose of the pile hammer and the precast pile to be vertical to the ground, detects the pile body posture of the pre-installed pile in real time through the inclination angle sensor arranged on the pile hammer of the static pile press machine, and the measured data is the inclination angle data of the pile body of the precast pile; irradiating downwards through a laser ranging sensor arranged on a pile hammer of a static pile pressing machine to obtain the height difference of the pile hammer relative to the ground at different moments, wherein the measured data are depth data of a prefabricated pile; acquiring pile pressing force data in a pile pressing process through a pressure sensor arranged in a main hydraulic oil circuit of a static pile pressing machine; calculating the up-and-down movement distance of a lifting cable rope through an incremental encoder arranged on the cable rope for pulling and lifting the static pile pressing machine to obtain the depth data of the precast pile pressing; pile position GPS coordinate information is acquired through an RTK positioning sensor arranged in a control room of the static pile press.

2. Data collection and transmission: 4 data indexes measured by 5 sensors in the step 1 are respectively a pile body inclination angle, a pile pressing depth, a pile pressing force and a pile position coordinate, are transmitted to a cloud server through a 4G wireless network through a cable and an integrated control gateway after data processing of a core processing module is carried out, and data interaction is carried out based on the Internet of things technology.

3. Cloud server data processing: through the existing Kalman filtering algorithm, the cloud server carries out filtering and noise reduction processing on all sensor data results, so that the real-time construction data with high readability are obtained.

4. And (3) data display: and the man-machine interaction equipment displays real-time construction data processed by the cloud server in real time, alarms abnormal data according to a comparison result, and informs a construction unit, an owner unit, a supervision unit and the like to realize the control of construction quality.

The display is that real-time construction data after filtering and noise reduction processing is displayed on the human-computer interaction equipment in the forms of data reports, curves, lists and the like, and a user can check the data at any time to monitor the whole process of pile pressing construction of the precast pile. The utility model discloses a concrete application way is many, and the above-mentioned is only the preferred embodiment of the utility model, should point out, to ordinary skilled person in this technical field, under the prerequisite that does not deviate from the utility model discloses the principle, can also make a plurality of improvements, and these improvements also should be regarded as the utility model discloses a scope of protection.

Claims (2)

1. The utility model provides a soft base precast pile pressure pile quality monitoring system that multisensor fuses for the monitoring of quiet power pile press machine pile construction, its characterized in that, it includes: the system comprises a laser ranging sensor, a pressure sensor, an incremental encoder, a tilt angle sensor, an RTK positioning sensor, a man-machine interaction device, a core processing module and a cloud server; wherein:

the laser ranging sensor is arranged on the side edge of a pile hammer of the static pile pressing machine;

the pressure sensor is arranged in a main hydraulic oil path of the static pile press;

the incremental encoder is arranged on a cable for traction lifting of the static pile press;

the inclination angle sensor is arranged at the upper end of a pile hammer of the static pile press;

the RTK positioning sensor is arranged on a control chamber of the static pile pressing machine;

the human-computer interaction equipment is arranged in a control chamber of the static pile pressing machine;

the core processing module is arranged in a control chamber of the static pile pressing machine;

the output ends of the tilt angle sensor, the laser ranging sensor, the pressure sensor, the incremental encoder and the RTK positioning sensor are electrically connected with the input end of the core processing module, and the output end of the core processing module is electrically connected with the input end of the human-computer interaction device;

the core processing module is further connected with the cloud server.

2. The system for monitoring pile pressing quality of the multi-sensor fusion soft foundation precast pile as claimed in claim 1, wherein the visual angle of the laser distance measuring sensor is 90 ° vertically downward.

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