A multi-sensor shield machine main drive bearing online status detection system

Abstract

The present invention relates to a multi-sensor online status detection system for the main drive bearing of a shield machine. The system comprises a temperature and pressure integrated sensor, an ultrasonic ranging sensor, a signal conversion module, a data processing module, a data storage module, a status display module, and a big data monitoring platform. The temperature and pressure integrated sensor is used to detect the real-time status of the temperature and pressure of the main drive bearing. The ultrasonic ranging sensor is used to analyze and detect the internal clearance of the main drive bearing. The signal conversion module is used to process and convert the collected signals. The data processing module includes a fault diagnosis and analysis function for identifying abnormal signals. The data storage module is used to store analyzed data. The status display module includes a fault alarm function for alarming fault signals. The big data monitoring platform integrates the entire system module and enables remote monitoring. The present invention solves the problems of existing main drive bearing motion parameters that cannot be monitored in real time and the lack of relevant monitoring components.

Description

Technical Field

[0001] The present invention relates to the technical field of shield machine detection, in particular to a multi-sensor shield machine main drive bearing online state detection system. Background Art

[0002] With the rapid development of my country's infrastructure industry, shield machines are widely used in highway, water conservancy, subway, and railway projects. It is estimated that by 2022, the total length of tunnels in my country's subway, highway, and railway sectors will exceed 10,000 kilometers, of which medium- and extra-long tunnels will account for approximately two-thirds. As a critical component in the operation of the entire equipment, the main drive bearings of shield machines require frequent inspection, maintenance, and regular oil sampling and analysis to ensure reliable operation.

[0003] Current clearance measurement methods typically involve placing the bearing horizontally before installation, placing the inner or outer ring horizontally on a horizontal spacer, placing a dial indicator on the outer or inner ring, lifting the outer or inner ring, and observing the movement of the dial indicator to determine the axial clearance. Furthermore, given the current inability to effectively monitor the sealing grease in shield machine bearing structures, there is an urgent need to develop a system that can monitor and analyze the operating status of the shield machine's main bearings in real time, enabling dynamic monitoring of the main bearing structure. Summary of the Invention

[0004] The purpose of the present invention is to provide a multi-sensor shield machine main drive bearing online status detection system, which solves the problems that the existing main drive bearing motion parameters cannot be monitored in real time and lacks relevant monitoring components.

[0005] The above-mentioned object of the present invention is achieved through the following technical solutions:

[0006] A multi-sensor shield machine main drive bearing online status detection system includes a main drive bearing, and also includes a temperature and pressure integrated sensor, an ultrasonic ranging sensor, a signal conversion module, a data processing module, a data storage module, a status display module and a big data monitoring platform. The temperature and pressure integrated sensor, the ultrasonic ranging sensor, the signal conversion module, the data processing module, the data storage module, the status display module and the big data monitoring platform are communicatively connected. The temperature and pressure integrated sensor is used to detect the real-time operating status of the temperature and pressure of the main drive bearing, the ultrasonic ranging sensor is used to analyze and detect the dynamic internal clearance of the main drive bearing, the signal conversion module is used to process and convert the signals collected by the temperature and pressure integrated sensor and the ultrasonic ranging sensor, the data processing module includes a fault diagnosis and analysis function for realizing the identification of abnormal signals, the data storage module is used to realize the storage of analyzed data, the status display module includes a fault alarm function for alarming fault signals, and the big data monitoring platform is used to realize the integration of the entire system modules and realize remote monitoring.

[0007] Preferably, the temperature and pressure integrated sensor is fixedly arranged on the end cover of the main drive bearing, and a threaded hole with an M6 port and a thread depth of 8 mm is opened on the end cover of the main drive bearing, and the temperature and pressure integrated sensor is threadedly connected to the end cover of the main drive bearing.

[0008] Preferably, a fixing bracket is welded on the outer shell of the main drive bearing, the ultrasonic ranging sensor is fixedly connected to the fixing bracket and the ultrasonic ranging sensor is attached to the outer shell of the main drive bearing.

[0009] Preferably, four ultrasonic sensors are evenly distributed on the outer shell of the main drive bearing.

[0010] In summary, the beneficial technical effects of the present invention are:

[0011] The use of non-contact signal acquisition methods enables real-time parameter acquisition, resolving the current predicament of being unable to monitor in real time. Furthermore, the use of integrated temperature and pressure sensors improves the sensitivity of signal acquisition, while the use of multi-sensor parallel detection enhances the accuracy of detection data and the reliability of parameter acquisition, while also enabling distance measurement. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a principle structure diagram of the present invention;

[0013] Figure 2 This is a schematic diagram of the installation positions of the temperature and pressure integrated sensor and the ultrasonic ranging sensor.

[0014] In the figure, 1. Temperature and pressure integrated sensor; 2. Ultrasonic ranging sensor; 21. Fixed bracket; 3. Signal conversion module; 4. Data processing module; 5. Data storage module; 6. Status display module; 7. Big data monitoring platform; 8. Main drive bearing. DETAILED DESCRIPTION

[0015] The present invention will be further described in detail below with reference to the accompanying drawings.

[0016] refer to Figure 1 and Figure 2 , which is a multi-sensor shield machine main drive bearing online status detection system disclosed in the present invention, including a main drive bearing 8, a temperature and pressure integrated sensor 1, an ultrasonic ranging sensor 2, a signal conversion module 3, a data processing module 4, a data storage module 5, a status display module 6 and a big data monitoring platform 7. The temperature and pressure integrated sensor 1, the ultrasonic ranging sensor 2, the signal conversion module 3, the data processing module 4, the data storage module 5, the status display module 6 and the big data monitoring platform 7 are communicatively connected.

[0017] The integrated temperature and pressure sensor 1 is fixedly mounted on the end cap of the main drive bearing 8. A threaded hole with an M6 port and an 8mm thread depth is provided on the end cap of the main drive bearing 8. The integrated temperature and pressure sensor 1 is threadedly connected to the end cap of the main drive bearing 8. The integrated temperature and pressure sensor 1 is used to detect the real-time operating status of the temperature and pressure of the sealing grease inside the main drive bearing 8. A fixing bracket 21 is welded to the outer shell of the main drive bearing 8. The ultrasonic ranging sensor 2 is fixedly connected to the fixing bracket 21 and affixed to the outer shell of the main drive bearing 8. Four ultrasonic sensors are provided, evenly distributed on the outer shell of the main drive bearing 8. The ultrasonic ranging sensors 2 are used to analyze and detect the dynamic internal clearance of the main drive bearing 8. The parallel combination of the temperature and pressure sensor and the ultrasonic sensor enables comprehensive analysis and detection of the motion status of the shield machine's main drive bearing 8, enabling remote real-time monitoring.

[0018] The signal conversion module 3 processes and converts the signals collected by the integrated temperature and pressure sensor 1 and the ultrasonic ranging sensor 2. The data processing module 4 includes fault diagnosis and analysis functions, enabling identification of abnormal signals. The data storage module 5 stores the analyzed data. The status display module 6 includes a fault alarm function, generating alarms for fault signals. The big data monitoring platform 7 integrates the entire system module and enables remote monitoring. During operation, the signal conversion module 3 receives the analog signals collected by the integrated temperature and pressure sensor 1 and the ultrasonic ranging sensor 2, performs digital-to-analog conversion and analysis, and achieves real-time conversion of dynamic data. The converted signals are then transmitted to the data processing module 4, which analyzes and processes the abnormal signals and screens for abnormal information. The data storage module 5 stores the analyzed data parameters and transmits them to the status display module 6, which generates a fault alarm when the fault parameters are met. This enables real-time analysis of the operating status of the entire main drive bearing 8. The integration of these modules into the big data monitoring platform 7 enables remote monitoring of the motion status of the shield machine's main drive bearing 8, ensuring the reliability of the main drive bearing 8 system.

[0019] Obviously, the above embodiments are merely examples for the purpose of clearly illustrating the present invention and are not intended to limit the manner in which the present invention is to be practiced. Those skilled in the art will readily appreciate that other variations or modifications based on the above description are possible. It is not necessary and impossible to enumerate all possible embodiments here. However, such obvious variations or modifications arising from the spirit of the present invention remain within the scope of protection of the present invention.

Claims

1. A multi-sensor shield machine main drive bearing online status detection system, comprising a main drive bearing (8), characterized in that: The system also includes a temperature and pressure integrated sensor (1), an ultrasonic distance sensor (2), a signal conversion module (3), a data processing module (4), a data storage module (5), a status display module (6) and a big data monitoring platform (7), wherein the temperature and pressure integrated sensor (1), the ultrasonic distance sensor (2), the signal conversion module (3), the data processing module (4), the data storage module (5), the status display module (6) and the big data monitoring platform (7) are connected to each other in a communication manner, wherein the temperature and pressure integrated sensor (1) is used for detecting the real-time operating status of the temperature and pressure of the main drive bearing (8), and the ultrasonic distance sensor (2) is used for detecting the internal clearance dynamic state of the main drive bearing (8). The signal conversion module (3) is used to process and convert the signals collected by the temperature and pressure integrated sensor (1) and the ultrasonic distance sensor (2). The data processing module (4) includes a fault diagnosis and analysis function for realizing the recognition of abnormal signals. The data storage module (5) is used to realize the storage of analysis data. The status display module (6) includes a fault alarm function for realizing the storage of analysis data. In order to alarm the fault signal, the big data monitoring platform (7) is used to realize the integration of the entire system module and realize remote monitoring; A fixing frame (21) is welded to the outer shell of the main drive bearing (8), the ultrasonic distance sensor (2) is fixedly connected to the fixing frame (21), and the ultrasonic distance sensor (2) is attached to the outer shell of the main drive bearing (8).

2. The multi-sensor shield machine main drive bearing online status detection system according to claim 1, characterized in that: The temperature and pressure integrated sensor (1) is fixedly mounted on the end cover of the main drive bearing (8). A threaded hole with an M6 port and a thread depth of 8 mm is provided on the end cover of the main drive bearing (8). The temperature and pressure integrated sensor (1) is connected to the main drive shaft. The end cover of the bearing (8) is threadedly connected.

3. The multi-sensor shield machine main drive bearing online status detection system according to claim 1, characterized in that: Four ultrasonic sensors are evenly distributed on the outer shell of the main drive bearing (8).

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