Monitoring system for bearing test

Abstract

The utility model provides a monitoring system for a bearing test. The monitoring system comprises a bearing test bed, a sensor module, a data acquisition module, a server and a monitoring terminal, the sensor module comprises a plurality of sensors, and the sensors are arranged on the bearing test bench; the data acquisition module is electrically connected with the plurality of sensors, the server is used for receiving and storing monitoring data and is electrically connected with the data acquisition module, and the monitoring terminal is used for displaying the acquired data and is in network connection with the server. According to the utility model, the data of the sensor is acquired through the data acquisition module and is transmitted and stored to the server, and the acquired data is displayed through the monitoring terminal, so that the acquired data is transmitted, stored and visually displayed, and a tester can process the data in time and judge the abrasion, fatigue and deformation of the bearing. Collected data can also provide data support for subsequent bearing performance, service life and prediction of the bearing.

Description

Technical Field

[0001] The utility model relates to the technical field of bearing load loading experimental devices, in particular to a monitoring system for bearing tests. Background Art

[0002] As the core component of the tunnel boring machine, the main bearing's load-bearing performance and service life directly determine the operating status and service life of the tunnel boring machine. However, domestic main bearings lack experience and technology in many aspects such as raw material selection, research and development manufacturing process, and testing and inspection, and the risk of direct engineering application is huge. Therefore, a main bearing working condition simulation test bench is usually used to apply a thousand-ton comprehensive load to the main bearing to conduct a main bearing working condition simulation test study to verify the main bearing's load-bearing performance and service life. Therefore, during the test process, real-time monitoring of the operating status of the bearing and data collection are very important. At this stage, there is no mature and effective method to monitor large-scale bearing test benches and bearing operating conditions.

[0003] In summary, there is an urgent need for a monitoring system for bearing testing to solve the problems existing in the prior art. Utility Model Content

[0004] The utility model aims to provide a monitoring system for bearing testing, and the specific technical scheme is as follows:

[0005] A monitoring system for bearing testing, comprising a bearing test bench, a sensor module, a data acquisition module, a server and a monitoring terminal;

[0006] The sensor module includes a plurality of sensors, which are arranged on the bearing test bench; the data acquisition module is electrically connected to the plurality of sensors respectively, the server is used to receive and store monitoring data and is electrically connected to the data acquisition module, and the monitoring terminal is used to display the collected data and is connected to the server network.

[0007] Preferably, the bearing test bench comprises a base, a test bearing mounting frame, a companion test bearing mounting frame, a connecting flange, a companion test bearing, a test bearing, a driving member 1, a driving member 2 and a driving member 3; the test bearing mounting frame and the companion test bearing mounting frame are both arranged on the base and have the same central axis, the test bearing mounting frame is fixedly arranged with the outer ring of the test bearing, the companion test bearing mounting frame is fixedly arranged with the outer ring of the companion test bearing, and the inner ring of the companion test bearing is connected with the inner ring of the test bearing via a connecting flange; the driving member 1 is arranged on the test bearing mounting frame and its output end is connected to the internal gear of the test bearing by transmission; the driving member 2 is arranged on the companion test bearing mounting frame and its output end is connected to the internal gear of the companion test bearing by transmission; the driving member 3 is arranged between the test bearing mounting frame and the companion test bearing mounting frame.

[0008] Preferably, the driving component includes a driving motor and a driving motor reducer, the driving motor and the driving motor reducer are both arranged on a test bearing mounting frame, the output end of the driving motor is connected to the driving motor reducer, and the output end of the driving motor reducer is connected to the internal gear transmission of the test bearing.

[0009] Preferably, the second driving component includes a damping motor and a damping motor reducer, the damping motor and the damping motor reducer are both arranged on the test bearing mounting frame, the output end of the damping motor is connected to the damping motor reducer, and the output end of the damping motor reducer is connected to the internal gear transmission of the test bearing.

[0010] Preferably, the sensor includes a wire displacement sensor, a temperature sensor, a strain sensor, an eddy current displacement sensor, a vibration sensor, an oil particle size sensor and a noise sensor; the temperature sensor is provided on the end face of the test bearing, the end face of the companion test bearing, the oil outlet of the test bearing gear oil pumping pipeline, the drive motor, the drive motor reducer housing, the damping motor and the damping motor reducer housing; a vibration sensor is provided on the end face of the test bearing and the end face of the companion test bearing; the eddy current displacement sensor is arranged between the test bearing and the test bearing mounting frame; a strain sensor is provided on the connecting flange, the end face of the test bearing and the end face of the companion test bearing; a wire displacement sensor is provided between the test bearing mounting frame and the companion test bearing mounting frame and between the two ends of the connecting flange; the oil particle size sensor is arranged in the test bearing gear oil pumping pipeline; a noise sensor is provided on the outer ring of the test bearing and the outer ring of the companion test bearing.

[0011] Preferably, one end of the driving member 3 is arranged on the test bearing mounting frame and the output end thereof is connected to the companion test bearing mounting frame.

[0012] Preferably, the driving member three is an oil cylinder or a pneumatic cylinder.

[0013] Preferably, the network connection includes a wireless network connection and / or a wired network connection.

[0014] Preferably, it also includes a plurality of cameras, which are arranged around the bearing test bench and are electrically connected to the server.

[0015] The application of the technical solution of the utility model has the following beneficial effects:

[0016] (1) The utility model collects sensor data through the data acquisition module, transmits and stores it to the server, and displays the collected data through the monitoring terminal, thereby realizing the transmission, storage and visual display of the collected data, so that the test personnel can process the data in time and realize the judgment of bearing wear, fatigue and deformation. The collected data can also provide data support for the subsequent bearing load performance and service life and prediction.

[0017] (2) The utility model can accurately collect the data (such as temperature, strain, displacement, etc.) by setting various sensors at specific positions of the bearing test bench. By observing the data, the operating status of the bearing can be manually judged. When an emergency occurs, the experiment can be stopped in time to reduce losses.

[0018] (3) In the present invention, the server and the monitoring terminal are connected via a wireless network and / or a wired network, which can ensure real-time data transmission.

[0019] In addition to the above-described purposes, features and advantages, the present invention has other purposes, features and advantages. The present invention will be further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The drawings constituting a part of this application are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0021] Figure 1 This is a structural block diagram of a monitoring system for bearing testing in preferred embodiment 1 of the present invention;

[0022] Figure 2 It is a side view of the specific installation position of each sensor on the bearing test bench in the preferred embodiment 1 of the present invention;

[0023] Among them, 1-test bearing mounting frame, 2-wire displacement sensor, 3-accompanying test bearing mounting frame, 4-temperature sensor, 5-connecting flange, 6-strain sensor, 7-eddy current displacement sensor, 8-vibration sensor, 9-oil particle size sensor, 10-accompanying test bearing, 11-test bearing, 12-noise sensor, 13-driving part three. DETAILED DESCRIPTION

[0024] In order to facilitate the understanding of the present invention, the present invention will be described in more detail below, and preferred embodiments of the present invention are provided. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present invention more thorough and comprehensive.

[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention.

[0026] Embodiment 1:

[0027] See also Figure 1 , a monitoring system for bearing test, including a bearing test bench, a sensor module, a data acquisition module (iPotest-100 produced by Wuhan Puchuang Company), a server (model PowerEdge R740) and a monitoring terminal (built based on LabView);

[0028] The sensor module includes a plurality of sensors, which are arranged on the bearing test bench; the data acquisition module is electrically connected to the plurality of sensors respectively, the server is used to receive and store monitoring data and is electrically connected to the data acquisition module, and the monitoring terminal is used to display the collected data and is connected to the server network.

[0029] The bearing test bench includes a base, a test bearing mounting frame 1, a companion test bearing mounting frame 3, a connecting flange 5, a companion test bearing 10, a test bearing 11, a driving member 1, a driving member 2 and a driving member 3 13; the test bearing mounting frame 1 and the companion test bearing mounting frame 3 are both arranged on the base and have the same central axis, the test bearing mounting frame 1 is fixedly arranged with the outer ring of the test bearing, the companion test bearing mounting frame 3 is fixedly arranged with the outer ring of the companion test bearing, and the inner ring of the companion test bearing is connected with the inner ring of the test bearing through a connecting flange 5; the driving member 1 is arranged on the test bearing mounting frame 1 and its output end is connected to the internal gear of the test bearing by transmission; the driving member 2 is arranged on the companion test bearing mounting frame 3 and its output end is connected to the internal gear of the companion test bearing by transmission; the driving member 3 is arranged between the test bearing mounting frame 1 and the companion test bearing mounting frame 3.

[0030] The driving component 1 includes a driving motor and a driving motor reducer, and the driving motor and the driving motor reducer are both arranged on the test bearing mounting frame 1. The output end of the driving motor is connected to the driving motor reducer, and the output end of the driving motor reducer is connected to the internal gear transmission of the test bearing.

[0031] The second driving component includes a damping motor and a damping motor reducer, both of which are arranged on the test bearing mounting frame 3, the output end of the damping motor is connected to the damping motor reducer, and the output end of the damping motor reducer is connected to the internal gear transmission of the test bearing.

[0032] One end of the driving member 3 is arranged on the test bearing mounting frame 1 and the output end thereof is connected to the companion test bearing mounting frame 3 .

[0033] The sensors include a wire displacement sensor 2, a temperature sensor 4, a strain sensor 6, an eddy current displacement sensor 7, a vibration sensor 8, an oil particle size sensor 9 and a noise sensor 12; temperature sensors are provided on the end face of the test bearing (specifically, 4 temperature sensors are evenly arranged on the end face of the outer ring of the test bearing), the end face of the companion test bearing (specifically, 4 temperature sensors are evenly arranged on the end face of the outer ring of the companion test bearing), the oil outlet of the test bearing gear oil pumping pipeline, the drive motor, the drive motor reducer housing, the damping motor and the damping motor reducer housing. A vibration sensor 8 is provided on the end face of the test bearing and the end face of the companion test bearing; the eddy current displacement sensor 7 is arranged between the test bearing and the test bearing mounting frame 1; a strain sensor 6 is provided on the connecting flange 5, the end face of the test bearing and the end face of the companion test bearing; a wire displacement sensor 2 is provided between the test bearing mounting frame 1 and the companion test bearing mounting frame 3 and between the two ends of the connecting flange 5; the oil particle size sensor 9 is arranged in the test bearing gear oil pumping pipeline; a noise sensor 12 is provided on the outer ring of the test bearing and the outer ring of the companion test bearing.

[0034] In this embodiment, the model of the wire displacement sensor is WDS-3000-P96-CR-TTL, the model of the temperature sensor is WZPT-201-170 or WZPT-201-125, the model of the strain sensor is BE120-5AA-P100, the model of the eddy current displacement sensor is DT3005-U6-M-C1+PC5 / 5-M12, the model of the vibration sensor is 334A-50, the model of the oil particle size sensor is FK3800-8MM, and the noise sensor is MPA231.

[0035] In this embodiment, the driving member three is a cylinder.

[0036] In this embodiment, the network connection includes a wireless network connection.

[0037] In this embodiment, multiple cameras are also included. Two hemispherical cameras with a wide viewing angle are set up around the test bench to completely cover the ground of the test area and the entire test bench. A total of four gun-type cameras are set up in the local pressure area and bearing area of ​​the test bench to monitor them in real time, and each camera is electrically connected to the server to transfer and store the video files in the server for subsequent review.

[0038] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A monitoring system for bearing testing, characterized in that: It includes bearing test bench, sensor module, data acquisition module, server and monitoring terminal; The sensor module includes a plurality of sensors, which are arranged on the bearing test bench; the data acquisition module is electrically connected to the plurality of sensors respectively, the server is used to receive and store monitoring data and is electrically connected to the data acquisition module, and the monitoring terminal is used to display the collected data and is connected to the server network.

2. The monitoring system according to claim 1, characterized in that: The bearing test bench comprises a base, a test bearing mounting frame (1), a companion test bearing mounting frame (3), a connecting flange (5), a companion test bearing (10), a test bearing (11), a first driving member, a second driving member and a third driving member (13); the test bearing mounting frame (1) and the companion test bearing mounting frame (3) are both arranged on the base and have the same central axis; the test bearing mounting frame (1) is fixedly arranged with the outer ring of the test bearing; the companion test bearing mounting frame (3) is fixedly arranged with the outer ring of the companion test bearing; the inner ring of the companion test bearing is connected with the inner ring of the test bearing via a connecting flange (5); the first driving member is arranged on the test bearing mounting frame (1) and its output end is connected to the internal gear of the test bearing by transmission; the second driving member is arranged on the companion test bearing mounting frame (3) and its output end is connected to the internal gear of the companion test bearing by transmission; the third driving member is arranged between the test bearing mounting frame (1) and the companion test bearing mounting frame (3).

3. The monitoring system according to claim 2, characterized in that: The driving component 1 comprises a driving motor and a driving motor reducer, wherein the driving motor and the driving motor reducer are both arranged on a test bearing mounting frame (1), the output end of the driving motor is connected to the driving motor reducer, and the output end of the driving motor reducer is transmission-connected to the internal gear of the test bearing.

4. The monitoring system according to claim 3, characterized in that: The second driving component comprises a damping motor and a damping motor reducer, wherein the damping motor and the damping motor reducer are both arranged on a test bearing mounting frame (3), the output end of the damping motor is connected to the damping motor reducer, and the output end of the damping motor reducer is transmission-connected to the internal gear of the test bearing.

5. The monitoring system according to claim 4, characterized in that: The sensors include a wire displacement sensor (2), a temperature sensor (4), a strain sensor (6), an eddy current displacement sensor (7), a vibration sensor (8), an oil particle size sensor (9) and a noise sensor (12); the temperature sensor (4) is provided on the end face of the test bearing, the end face of the companion test bearing, the oil outlet of the test bearing gear oil pumping pipeline, the drive motor, the drive motor reducer housing, the damping motor and the damping motor reducer housing; the vibration sensor (8) is provided on the end face of the test bearing and the end face of the companion test bearing 8); the eddy current displacement sensor (7) is arranged between the test bearing and the test bearing mounting frame (1); strain sensors (6) are arranged on the connecting flange (5), the end face of the test bearing and the end face of the companion test bearing; wire displacement sensors (2) are arranged between the test bearing mounting frame (1) and the companion test bearing mounting frame (3) and between the two ends of the connecting flange (5); the oil particle size sensor (9) is arranged in the test bearing gear oil pumping pipeline; noise sensors (12) are arranged on the outer ring of the test bearing and the outer ring of the companion test bearing.

6. The monitoring system according to claim 2, characterized in that: One end of the driving member 3 is arranged on the test bearing mounting frame (1) and the output end thereof is connected to the companion test bearing mounting frame (3).

7. The monitoring system according to claim 6, characterized in that: The driving member three is an oil cylinder or an air cylinder.

8. The monitoring system according to claim 1, characterized in that: The network connection includes a wireless network connection and / or a wired network connection.

9. The monitoring system according to claim 1, characterized in that: The device also includes a plurality of cameras, which are arranged around the bearing test bench and are electrically connected to the server.

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