BD rolling mill speed reducer monitoring device

Abstract

The utility model relates to a BD rolling mill speed reducer monitoring device, which comprises a temperature vibration transmitter, a current sensor, a rotating speed sensor, a sound sensor, a thermal infrared imager, a monitoring analysis device, a server and a terminal, and is characterized in that the temperature vibration transmitter, the sound sensor and the thermal infrared imager are arranged in the vertical, horizontal and axial directions of each input shaft and each output shaft of a speed reducer; the rotating speed sensor is arranged beside a rolling mill motor driving output shaft, the current sensor is connected in series in a speed reducer power supply loop, the sensors are all connected to the monitoring and analyzing device, the monitoring and analyzing device is connected with the server, and the server is connected with the terminal. According to the utility model, the vibration and temperature trend of the BD rolling mill speed reducer can be monitored in real time under different working conditions, the fault condition of the speed reducer under different loads can be monitored in real time, the fault can be monitored in real time, the accurate prediction alarm can be realized, the platform operation interface operator can be notified in advance, the maintenance can be carried out in advance, and the overhaul after accidents can be avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of steel rolling, in particular to a BD rolling mill reducer monitoring device. Background Art

[0002] As a metal rolling mill equipment, BD rolling mill is mainly used to roll metal billets into the required shape and size. BD rolling mill realizes plastic deformation of metal materials through the rotation of rollers and the gradual rolling of metal billets, thereby obtaining the required plates, strips and other products. BD rolling mill reducer is the core component of metal rolling mill equipment, which is used to reduce the output speed of the drive motor and provide sufficient torque to drive the rollers of the rolling mill. Due to long-term use, the gears in the BD rolling mill reducer may be worn, reduce the transmission efficiency, and even cause equipment failure. Temperature fluctuations may cause thermal expansion and contraction of equipment materials, increase the mechanical stress of the equipment, and affect the life of the equipment.

[0003] Traditional vibration and temperature monitoring collects data for analysis at regular intervals without distinguishing between working conditions and loads. This can easily lead to the collection of a large amount of invalid data and the inability to conduct targeted analysis of the health status of the equipment under different loads. In the event of an actual abnormality in the equipment, the collected data cannot be encrypted in a targeted manner, leading to the easy loss of valuable analysis data. Summary of the invention

[0004] The utility model provides a BD rolling mill reducer monitoring device, which can realize real-time monitoring of the vibration and temperature trends of the BD rolling mill reducer under different working conditions, and judge the operation of the reducer under different loads through the coordinated use of temperature vibration transmitters, sound sensors and infrared thermal imagers, so as to monitor the reducer fault conditions, and the fault monitoring is accurate and displayed in real time on the terminal.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A BD rolling mill reducer monitoring device, comprising a temperature vibration transmitter, a current sensor, a speed sensor, a sound sensor, an infrared thermal imager, a monitoring and analysis device, a server and a terminal, wherein the temperature vibration transmitter, the sound sensor and the infrared thermal imager are arranged in the vertical, horizontal and axial directions of each input shaft and output shaft of the reducer, the speed sensor is arranged beside the rolling mill motor drive output shaft, the current sensor is arranged in the reducer, the current sensor is connected in series in the reducer power supply circuit, the temperature vibration transmitter, the current sensor, the speed sensor, the sound sensor and the infrared thermal imager are connected to the monitoring and analysis device, the monitoring and analysis device is connected to the server through a communication cable, and the server is connected to the terminal;

[0007] The monitoring and analysis device includes a power module, a CPU, a sensor acquisition module IEPE, an analog input module and a resistance temperature detector RTD. The power module supplies power to the CPU, the sensor acquisition module IEPE, the analog input module and the resistance temperature detector RTD. The temperature signal line and the infrared thermal imager signal line of the temperature and vibration transmitter are connected to the input interface of the resistance temperature detector RTD. The vibration signal line, the speed sensor and the sound sensor signal line of the temperature and vibration transmitter are connected to the input interface of the sensor acquisition module IEPE. The current sensor is connected to the input interface of the analog input module.

[0008] Furthermore, it also includes a block and a triangular bracket, the block is arranged on the rolling mill motor drive output shaft, the speed sensor is arranged on the triangular bracket, the speed sensor is arranged at a height consistent with the height of the central axis of the rolling mill motor drive output shaft, and the speed sensor and the block are used in matching manner.

[0009] Furthermore, the terminal includes a display terminal and a mobile terminal. The display terminal is connected to the server via Ethernet, and the mobile terminal is wirelessly connected to the server. The display terminal displays process parameters, waveforms of collected data, and historical data curves.

[0010] Furthermore, it also includes a switch and a host computer, the CPU is connected to the host computer, the host computer is connected to the switch via a network cable, and the switch is connected to the server via an optical fiber.

[0011] Furthermore, the server includes an edge server and an automatic diagnosis server, the CPU is connected to the edge server via Ethernet, the edge server is connected to a switch via Ethernet, and the switch is connected to the automatic diagnosis server via optical fiber.

[0012] Furthermore, the number of the temperature and vibration transmitters, sound sensors and infrared thermal imagers matches.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1) Realize real-time monitoring of the vibration and temperature trends of the BD rolling mill reducer under different working conditions;

[0015] 2) Through the coordinated use of temperature and vibration transmitters, sound sensors and infrared thermal imagers, the data can be mutually verified to determine the operation of the reducer under different loads, thereby monitoring the reducer fault conditions;

[0016] 3) Real-time monitoring of faults and accurate prediction of alarms can notify platform operation interface operators in advance and conduct maintenance in advance to avoid major repairs after accidents. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1It is a structural schematic diagram of the utility model.

[0018] Figure 2 It is a schematic diagram of the structure of the monitoring and analyzing device of the utility model.

[0019] Figure 3 It is a schematic diagram of the installation position of the rotation speed sensor described in the utility model.

[0020] In the figure: 1. Rolling mill motor drive output shaft 2. Block 3. Speed ​​sensor 4. Triangle bracket DETAILED DESCRIPTION

[0021] The specific implementation of the utility model is further described below in conjunction with the accompanying drawings:

[0022] See Figure 1 , is a schematic diagram of the structure of the utility model. The utility model is a BD rolling mill reducer monitoring device, including a temperature vibration transmitter, a current sensor, a speed sensor 3, a sound sensor, an infrared thermal imager, a monitoring and analysis device, a monitoring and analysis device, a server, a switch, a host computer, a terminal, a block 2 and a triangular bracket 4, the temperature vibration transmitter, the sound sensor, and the infrared thermal imager are all arranged in the vertical, horizontal and axial directions of each input shaft and output shaft of the reducer, the speed sensor 3 is arranged beside the rolling mill motor drive output shaft 1, the temperature vibration transmitter, the current sensor, the speed sensor 3, the sound sensor and the infrared thermal imager are connected to the monitoring and analysis device, the current sensor is arranged in the reducer, the current sensor is connected in series in the reducer power supply circuit, the monitoring and analysis device is connected to the server through a communication cable, the server is connected to the terminal, the terminal includes a display terminal and a mobile terminal, the server includes an edge server and an automatic diagnosis server, the CPU is connected to the edge server through Ethernet, the display terminal is connected to the edge server, the edge server and the host computer are connected to the switch through a network cable, the switch is connected to the automatic diagnosis server through an optical fiber, and the automatic diagnosis server is connected to the mobile terminal through wireless;

[0023] See Figure 2The monitoring and analysis device includes a power module, a CPU, a sensor acquisition module IEPE, an analog input module and a resistance temperature detector RTD. The power module supplies power to the CPU, the sensor acquisition module IEPE, the analog input module and the resistance temperature detector RTD. The temperature signal lines A, B and C of the six temperature vibration transmitters and the six infrared thermal imagers in the vertical, horizontal and axial directions of each input shaft and output shaft of the reducer are respectively connected to the input interfaces 1~12A, 1~12B and 1~12C of the resistance temperature detector RTD. The vibration signal lines of the six temperature vibration transmitters and the sound signal lines of the six sound sensors are evenly divided into two parts and respectively connected to the input interfaces C1+~C6+ and C1-~C6- of the two sensor acquisition modules IEPE. The current sensor is connected to the input interfaces C1+ and C1- of the analog input module. The speed signal line of the speed sensor 3 is connected to the input interfaces C7+ and C7- of the sensor acquisition module IEPE.

[0024] See Figure 3 The stopper 2 is arranged on the rolling mill motor drive output shaft 1, the speed sensor 3 is arranged on the triangular bracket 4, the speed sensor 3 is arranged at a height consistent with the central axis height of the rolling mill motor drive output shaft 1, and the speed sensor 3 and the stopper 2 are matched for use.

[0025] Working principle: The temperature and vibration transmitter and infrared thermal imager monitor the temperature and vibration of the reducer in the vertical, horizontal and axial directions of each input shaft and output shaft. The current sensor monitors the real-time operating current of the reducer, collects the current waveform of the reducer, and transmits the data to the PLC for processing. Based on the speed, bite and polishing steel, roll gap and other process data of the on-site speed sensor 3, the collected data is monitored in real time and triggered based on the BD rolling mill process data. The data processed in the CPU is transmitted to the edge server for analysis, and the temperature, vibration and reducer current thresholds are set to filter out invalid data. The temperature and vibration transmitter and infrared thermal imager verify the temperature data with each other, and the temperature and vibration transmitter and sound sensor verify the temperature data with each other. Mutually verify the vibration data. As the rolling mill motor drives the output shaft 1 to rotate, the block 2 generates a high-level signal with the speed sensor 3 through the Hall effect, so that the speed sensor 3 obtains the speed. Therefore, the abnormal status data is quickly and accurately captured through the temperature vibration transmitter, current sensor, speed sensor 3, sound sensor, infrared thermal imager and monitoring and analysis device, and the real-time data curve, alarm and diagnosis results are displayed on the display terminal and mobile terminal to make fault warnings in advance, reminding the operator to carry out maintenance in advance to avoid major accidents. The water-cooling pipe arranged in the housing of the temperature vibration transmitter circulates and cools the temperature vibration transmitter to ensure that the temperature vibration transmitter is not affected by the external environment and to ensure accurate measurement.

[0026] The above embodiments are implemented based on the technical solution of the utility model, and detailed implementation methods and specific operation processes are given, but the protection scope of the utility model is not limited to the above embodiments. The methods used in the above embodiments are conventional methods unless otherwise specified.

Claims

1. A BD rolling mill reducer monitoring device, characterized in that: It includes a temperature vibration transmitter, a current sensor, a speed sensor, a sound sensor, an infrared thermal imager, a monitoring and analysis device, a server and a terminal. The temperature vibration transmitter, the sound sensor and the infrared thermal imager are all arranged in the vertical, horizontal and axial directions of each input shaft and output shaft of the reducer. The speed sensor is arranged beside the output shaft driven by the rolling mill motor. The current sensor is arranged in the reducer. The current sensor is connected in series in the power supply circuit of the reducer. The temperature vibration transmitter, the current sensor, the speed sensor, the sound sensor and the infrared thermal imager are connected to the monitoring and analysis device. The monitoring and analysis device is connected to the server through a communication cable, and the server is connected to the terminal. The monitoring and analysis device includes a power module, a CPU, a sensor acquisition module IEPE, an analog input module and a resistance temperature detector RTD. The power module supplies power to the CPU, the sensor acquisition module IEPE, the analog input module and the resistance temperature detector RTD. The temperature signal line and the infrared thermal imager signal line of the temperature and vibration transmitter are connected to the input interface of the resistance temperature detector RTD. The vibration signal line, the speed sensor and the sound sensor signal line of the temperature and vibration transmitter are connected to the input interface of the sensor acquisition module IEPE. The current sensor is connected to the input interface of the analog input module.

2. A BD rolling mill reducer monitoring device according to claim 1, characterized in that: It also includes a block and a triangular bracket, wherein the block is arranged on the rolling mill motor drive output shaft, the speed sensor is arranged on the triangular bracket, the speed sensor is arranged at a height consistent with the height of the central axis of the rolling mill motor drive output shaft, and the speed sensor and the block are used in matching manner.

3. A BD rolling mill reducer monitoring device according to claim 1, characterized in that: The terminal includes a display terminal and a mobile terminal. The display terminal is connected to the server via Ethernet, and the mobile terminal is wirelessly connected to the server. The display terminal displays process parameters, waveforms of collected data, and historical data curves.

4. A BD rolling mill reducer monitoring device according to claim 1, characterized in that: It also includes a switch and a host computer, wherein the host computer is connected to the switch via a network cable, and the switch is connected to the server via an optical fiber.

5. A BD rolling mill reducer monitoring device according to claim 3, characterized in that: The server comprises an edge server and an automatic diagnosis server, the CPU is connected to the edge server via Ethernet, the edge server is connected to a switch via Ethernet, and the switch is connected to the automatic diagnosis server via optical fiber.

6. A BD rolling mill reducer monitoring device according to claim 1, characterized in that: The quantities of the temperature and vibration transmitters, sound sensors and infrared thermal imagers are matched.

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