Method for measuring the size variation of a rotary oil seal

Abstract

The application discloses a kind of rotating oil seal size change measurement methods, it is related to oil seal measurement field, specifically includes the following steps: flexible electronic skin sensor is installed in oil seal lip inside;Oil seal is installed into test equipment, equipment calibration and sensor calibration are carried out;Test and data acquisition are carried out: the data in the detection process of oil seal is collected by flexible electronic skin sensor;The data collected by flexible electronic skin sensor is classified and analyzed and processed;The rotating oil seal size change measurement method, by the bendable effect of flexible electronic skin sensor, it is adhered to the inner surface of oil seal, avoid the need to open a large number of holes to shaft when measuring by traditional sensor, it is favorable to continuous monitoring in the process of oil seal test, improve the accuracy of monitoring data, provide reliability data support for oil seal performance and service life, also improve reliability data support for the structure design, material selection, theoretical mechanism research of oil seal.

Description

TECHNICAL FIELD

[0001] The present application relates to oil seal measurement technology, and in particular to a rotating oil seal size change measurement method. BACKGROUND

[0002] Oil seals are generally used to seal grease mechanical components, which isolate the parts that need to be lubricated in the transmission part from the output part, so as not to let the lubricating oil leak. During the design process of the oil seal, the structure and material need to be selected, and after the oil seal is completed, the performance of the oil seal needs to be tested, thereby providing data support for the design of the structure and the selection of the material in the design process of the oil seal.

[0003] The existing test method is generally to test the performance of the oil seal in use through a traditional sensor such as a load sensor, but it needs to open multiple holes in the sealed shaft to place the sensor, which causes irreversible damage to the test fixture, and the heavy wires and pipelines hinder the multifunctional integration of the sensor, which is not conducive to continuous monitoring in the oil seal test process. SUMMARY

[0004] The purpose of the present application is to provide a rotating oil seal size change measurement method to solve the above problems in the prior art.

[0005] In order to achieve the above purpose, the present application provides the following technical scheme: a rotating oil seal size change measurement method, specifically comprising the following steps:

[0006] S1, sensor installation; install a flexible electronic skin sensor in the inner side of the oil seal lip;

[0007] S2, zeroing processing: install the oil seal into the test equipment, and calibrate the equipment and the sensor;

[0008] S3, test and data acquisition: collect the data in the oil seal detection process through the flexible electronic skin sensor;

[0009] S4, data classification processing: classify and analyze the data collected by the flexible electronic skin sensor;

[0010] S5, size change analysis; generate a bar chart on the display device for the collected data after classification and analysis.

[0011] Further, the flexible electronic skin sensor includes a skin-like mechanical perception system for capturing various stimuli in the surrounding airflow, an immune detector for monitoring sudden impact, a neural-like coding system for high-fidelity data transmission, and a brain-like machine learning algorithm for analyzing and judging data.

[0012] Further, the zeroing processing includes calibrating the oil seal test equipment, calibrating the sensor, and initializing the data collected by the flexible electronic skin sensor.

[0013] Further, the test process includes centering the sealed cavity with the shaft, the sealed cavity material is organic glass, the cavity is connected to a glass tube for removing air from the cavity, and the test drive system uses a stepper motor to drive the rotation of the shaft.

[0014] Further, the data collected by the flexible electronic skin sensor includes real-time pressure data and temperature data.

[0015] Further, the data classification processing includes statistically processing the pressure data collected by the flexible electronic skin sensor and generating a bar chart in combination with the collection time, for monitoring the change of the pressure change data over time in the test process.

[0016] Further, the data classification processing includes statistically processing the temperature data collected by the flexible electronic skin sensor and generating a bar chart in combination with the collection time, for monitoring the change of the temperature change data over time in the test process.

[0017] Compared with the prior art, the rotating oil seal size change measurement method provided by the application has the following beneficial effects:

[0018] 1. The rotating oil seal size change measurement method, through the bendable effect of the flexible electronic skin sensor, the flexible electronic skin sensor is attached to the inner surface of the oil seal, avoiding the need to open multiple holes in the shaft when measuring with traditional sensors, reducing the damage to the test fixture, and avoiding the obstruction of heavy wires and pipes to the multifunctional integration of the sensor, which is conducive to continuous monitoring during the oil seal test process, improves the accuracy of the monitoring data, provides reliable data support for the performance and service life of the oil seal, and also improves the reliability of the data support for the structural design, material selection, and theoretical mechanism research of the oil seal.

[0019] 2. The rotating oil seal size change measurement method, through the flexible electronic skin sensor, the pressure and temperature changes during the oil seal test process are data collected, and through the class-brain machine learning algorithm, the collected data are analyzed, judged and effective data are extracted, the data classification processing is effectively carried out, the accuracy in the data collection process is improved, and the flexible electronic skin sensor is directly built-in in the oil seal, which is conducive to the efficiency and reliability of the sensor data collection, and provides accurate data support for the oil seal design personnel.

[0020] 3. The rotating oil seal size change measurement method analyzes the structural change law of the oil seal during use through the oil seal test results, and further analyzes the size change law and the corresponding relationship between the change law and the oil seal index, so as to analyze the performance and quality of the oil seal according to different time nodes. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments described in the present application, and other drawings can also be obtained by those skilled in the art according to these drawings.

[0022] Figure 1 The oil seal size change measurement method provided by the embodiment of the present application is shown in the step block diagram. DETAILED DESCRIPTION

[0023] In order to make those skilled in the art better understand the technical solutions of the present application, the present application will be further described in detail with reference to the drawings.

[0024] Embodiment one:

[0025] Please refer to Figure 1 A rotating oil seal size change measurement method, specifically comprising the following steps:

[0026] S1, sensor installation; the flexible electronic skin sensor is installed in the inner side of the oil seal lip;

[0027] S2, zeroing processing: the oil seal is installed into the test equipment, and the equipment calibration and sensor calibration are performed;

[0028] S3, test and data acquisition: the data in the oil seal detection process are collected by the flexible electronic skin sensor;

[0029] S4, data classification processing: the data collected by the flexible electronic skin sensor are classified and analyzed;

[0030] S5, size change analysis; the collected data after classification analysis are generated into a bar chart on the display equipment;

[0031] The flexible electronic skin sensor includes a skin-like mechanical sensing system for capturing various stimuli in the surrounding airflow, an immune detector for monitoring sudden impact, a neural-like coding system for high-fidelity data transmission, a brain-like machine learning algorithm for analyzing and judging data, and the like. The flexible electronic skin sensor is used to collect data on pressure and temperature changes during the oil seal test process, and the brain-like machine learning algorithm is used to analyze and extract effective data from the collected data. Then, the effective data is classified and processed, which includes calibrating the oil seal test equipment, calibrating the sensor, initializing the data collected by the flexible electronic skin sensor, and the like. The test process includes aligning the sealed cavity and the shaft, and the sealed cavity material is organic glass, which facilitates observation of the internal working condition of the oil seal and the sealed cavity during the experiment. The cavity is connected to a glass tube, which is used to remove air from the cavity. The test drive system uses a stepper motor to drive the rotation of the shaft. The flexible electronic skin sensor collects real-time pressure and temperature data. The data classification process includes statistical analysis of the pressure data collected by the flexible electronic skin sensor, and the generation of a bar chart based on the collection time, which is used to monitor the change in pressure data over time during the test process. The data classification process includes statistical analysis of the temperature data collected by the flexible electronic skin sensor, and the generation of a bar chart based on the collection time, which is used to monitor the change in temperature data over time during the test process. By analyzing the oil seal test results, the structural changes during the use of the oil seal are obtained, and the size change law and the corresponding relationship between the change law and the oil seal indicators are analyzed. The performance and quality of the oil seal are analyzed at different time nodes.

[0032] The flexible electronic skin sensor can be bent to fit the inner surface of the oil seal, avoiding the need for a large number of holes in the shaft during traditional sensor measurement, reducing the damage to the test fixture, and avoiding the obstruction of heavy wires and pipes to the multifunctional integration of the sensor, which is conducive to continuous monitoring during the oil seal test process, improves the accuracy of the monitoring data, and provides reliable data support for the performance and service life of the oil seal. At the same time, it also provides reliable data support for the structural design, material selection, and theoretical mechanism research of the oil seal.

[0033] The above only describes certain exemplary embodiments of the present application by way of illustration, and it is obvious that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present application. Therefore, the above figures and descriptions are illustrative in nature and should not be construed as limiting the scope of the claims of the present application.

Claims

1. A method of measuring the dimensional change of a rotary oil seal, characterized by, Specifically comprising the following steps: S1, sensor installation; install the flexible electronic skin sensor in the inner side of the oil seal lip; S2, zeroing processing: install the oil seal into the test equipment, calibrate the equipment and the sensor; S3, test and data acquisition: collect the data in the oil seal detection process through the flexible electronic skin sensor; S4, data classification processing: classify and analyze the data collected by the flexible electronic skin sensor; S5, size change analysis; generate a bar chart of the collected data after classification analysis on the display equipment; The flexible electronic skin sensor includes a skin-like mechanical perception system for capturing various stimuli in the surrounding airflow, an immune detector for monitoring sudden impact, a neural-like coding system for high-fidelity data transmission, and a brain-like machine learning algorithm for analyzing and judging data; The zeroing processing includes calibrating the oil seal test equipment, calibrating the sensor, and initializing the data collected by the flexible electronic skin sensor; The flexible electronic skin sensor collects data including real-time pressure data and temperature data; The test process includes aligning the sealed cavity and the shaft, the sealed cavity material is organic glass, the cavity is connected with a glass tube for removing air in the cavity, and a stepping motor is used to drive the rotation of the shaft; The data classification processing includes counting the pressure data collected by the flexible electronic skin sensor, and generating a bar chart combined with the collection time, which is used to monitor the change of pressure change data to time in the test process; The data classification processing includes counting the temperature data collected by the flexible electronic skin sensor, and generating a bar chart combined with the collection time, which is used to monitor the change of temperature change data to time in the test process.

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