Multi-parameter oil product sensor and detection system for rocker arm of coal mining machine

Abstract

The utility model discloses a coal mining machine rocker arm multi-parameter oil product sensor and a detection system. The multi-parameter oil product sensor for the rocker arm of the coal mining machine comprises a base, a plurality of oil product probes mounted at the lower part of the base, an upper cover mounted at the upper part of the base, a signal plate and a signal line, the upper cover and the base define a closed space, the signal plate is arranged in the closed space, the signal line penetrates into the closed space and is electrically connected with the signal plate, and the oil product probe is electrically connected with the signal plate. The multi-parameter oil product sensor for the rocker arm of the coal mining machine is small in size and easy to install in an oil path of the rocker arm; the detection system can realize real-time online data monitoring, can avoid shutdown oil taking and oil liquid detection, improves the efficiency and reduces the loss.

Description

Technical Field

[0001] The utility model relates to the technical field of oil sensors, in particular to a coal mining machine rocker arm multi-parameter oil sensor and a detection system. Background Art

[0002] With the development of science and technology in my country, mechanical equipment is increasingly developing towards heavy load, high speed, large size, automation, multi-function and high efficiency. The maintenance cost and downtime loss of equipment are increasing sharply. Therefore, the requirements for the reliability and economy of equipment operation are becoming increasingly stringent. This has led many companies to propose new measures that focus on prevention and rely on equipment status monitoring to improve the safety and reliability of equipment operation.

[0003] The existing oil detection data on the market is a single operation of manual oil extraction or the oil detection sensor device in the coal mining machine is large in size. The installation of conventional sensors is complicated and difficult, and it is not convenient to use.

[0004] Therefore, the existing technology has defects and needs to be improved. Utility Model Content

[0005] The technical problem to be solved by the utility model is to provide a coal mining machine rocker arm multi-parameter oil sensor and detection system, which can avoid stopping the machine to take oil for oil detection, improve detection efficiency and reduce losses.

[0006] The technical solution of the present utility model is as follows: A multi-parameter oil sensor for a rocker arm of a coal mining machine is provided, comprising: a base, a plurality of oil probes installed at the bottom of the base, an upper cover installed at the top of the base, a signal board, and a signal line; the upper cover and the base form a closed space, the signal board is arranged in the closed space, the signal line passes through the closed space and is electrically connected to the signal board, and the oil probe is electrically connected to the signal board. The oil probe is used to detect various parameters of the oil, the base is used for installation and fixation, the signal line is used to connect to the signal board and transmit detection data, and the signal board is used to process and send detection data. The upper cover is used to seal and protect the internal signal board.

[0007] Furthermore, the shearer rocker arm multi-parameter oil sensor further includes a temperature sensing probe installed at the lower portion of the base, the temperature sensing probe being electrically connected to the signal board, and the temperature sensing probe being used to obtain the temperature of the oil.

[0008] Furthermore, the shearer rocker arm multi-parameter oil quality sensor further includes a protective cover connected to the lower portion of the base, wherein the oil quality probe and the temperature sensing probe are disposed within the protective cover, and the protective cover is provided with an oil inlet hole. The protective cover is used to protect the detection area from oil impact.

[0009] Furthermore, the coal mining machine rocker arm multi-parameter oil sensor further includes: an explosion-proof joint installed on the upper cover, and the signal line passes through the explosion-proof joint to enter the enclosed space. The explosion-proof joint is used to seal the upper cover and fix the signal line.

[0010] Furthermore, a supporting groove is provided on the upper portion of the base, and the signal board is provided on the supporting groove. The supporting groove is used to install the signal board.

[0011] Furthermore, the shearer rocker arm multi-parameter oil quality sensor further includes an isolation plate mounted on the support groove. The isolation plate and the support groove define an isolation space, and the signal board is disposed within the isolation space. The isolation plate is used to protect the signal board and to ensure safe power supply to the oil quality probe and the temperature sensor.

[0012] Furthermore, the upper cover is connected to the base by threads. The protective cover is connected to the base by threads.

[0013] Furthermore, the oil quality probe includes at least one of an oil quality sensing probe and a moisture / density PPM value probe.

[0014] Furthermore, the utility model provides a detection system, including: several of the aforementioned coal mining machine rocker arm multi-parameter oil sensors, signal transmission lines, and a collection box, wherein the collection box is connected to the signal line of the coal mining machine rocker arm multi-parameter oil sensor through the signal transmission line, and the coal mining machine rocker arm multi-parameter oil sensor is installed in the high-speed straight-out cavity, coal wall three-axis cavity, straight tooth low-speed cavity, and planetary reduction cavity of the coal mining machine rocker arm.

[0015] The rocker arm multi-parameter oil sensor consists of an oil sensor probe, a protective cover, a base, an upper cover, and an explosion-proof joint. This coal mining machine rocker arm multi-parameter oil sensor is used to detect various data from the oil in the oil circuit of the coal mining machine rocker arm gear cavity. The coal mining machine rocker arm gear cavity is divided into a motor cavity, a high-speed direct-out cavity, a coal wall three-axis cavity, a straight-tooth low-speed cavity, a planetary reduction cavity, etc. The gears inside each gear cavity of the coal mining machine are arranged with a hydraulic system. Therefore, without affecting the operation of the internal gears of the coal mining machine, a multi-parameter oil sensor is installed in the hydraulic system of the rocker arm gear cavity (the multi-parameter oil sensor is small and easy to install). Because the rocker arm is composed of multiple gear cavities, the multi-parameter oil sensor can be installed individually in the hydraulic oil circuit of each gear cavity to detect various parameters such as trace moisture, kinematic viscosity, temperature, density, PPM value, and dielectric constant of the oil in each cavity. In addition, the sensor connection lines are arranged inside the rocker arm housing and connected to the external collection box. The collection box transmits the detection data of each sensor to the cloud and display terminal through 4G / network cable connection. The data situation analysis provides a basis for the daily maintenance of the coal mining machine rocker arm transmission system and protection under emergency conditions.

[0016] The utility model installs multiple multifunctional oil sensors (trace moisture, kinematic viscosity, temperature, density, PPM value, dielectric constant) inside the rocker arm or the traction part of the coal mining machine oil monitoring system and the ultra-high mining height coal mining machine oil monitoring system. Multiple (multi-point installation) multifunctional oil sensors are respectively connected to the input end of the collection box for communication, and the output end of the collection box is connected to the control room display terminal or the cloud. After using multiple sensors to collect data, process and calculate the data of each gear oil tank and hydraulic oil tank, the temperature, kinematic viscosity, oil quality and other parameters are determined. By monitoring the lubricating oil at the locations where the coal mining machine is prone to failure, the real-time monitoring and protection function of the gear and hydraulic system is realized, the hydraulic system failure is prevented, and the coal mining production efficiency is improved.

[0017] By adopting the above scheme, the utility model provides a coal mining machine rocker arm multi-parameter oil sensor and detection system. The designed coal mining machine rocker arm multi-parameter oil sensor is small in size and easy to install in the rocker arm oil circuit; the detection system can realize real-time online monitoring data, avoid stopping the machine for oil and liquid detection, improve efficiency and reduce losses. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a structural diagram of an embodiment of a coal mining machine rocker arm multi-parameter oil sensor of the present utility model;

[0019] Figure 2 for Figure 1 a cross-sectional view of an embodiment;

[0020] Figure 3 This is a structural diagram of the detection system when it is used. DETAILED DESCRIPTION

[0021] The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

[0022] See also Figure 1-Figure 3 This embodiment provides a detection system, including: a number of coal mining machine rocker arm multi-parameter oil product sensors 10, a signal transmission line 11, and a collection box 12. The collection box 12 is connected to the signal line 17 of the coal mining machine rocker arm multi-parameter oil product sensor 10 through the signal transmission line 11. The coal mining machine rocker arm multi-parameter oil product sensor 10 is installed in the high-speed straight-out cavity, coal wall three-axis cavity, straight tooth low-speed cavity, and planetary reduction cavity of the coal mining machine rocker arm.

[0023] In this embodiment, the multi-parameter oil quality sensor 10 for the coal mining machine rocker arm includes a base 13, several oil quality probes mounted on the lower portion of the base 13, an upper cover 15 mounted on the upper portion of the base 13, a signal board 16, and a signal line 17. The upper cover 15 and the base 13 enclose a closed space, the signal board 16 is disposed within the closed space, the signal line 17 penetrates the closed space and is electrically connected to the signal board 16, and the oil quality probes are electrically connected to the signal board 16. The oil quality probes are used to detect various parameters of the oil, the base 13 is used for mounting and fixing, the signal line 17 is used to connect to the signal board 16 and transmit detection data, and the signal board 16 is used to process and send detection data. The upper cover 15 is used to seal and protect the internal signal board 16.

[0024] In this embodiment, the shearer rocker arm multi-parameter oil sensor 10 further includes a temperature sensing probe 18 mounted on the lower portion of the base 13, the temperature sensing probe 18 being electrically connected to the signal board 16. The temperature sensing probe 18 is used to obtain the temperature of the oil.

[0025] In this embodiment, the shearer rocker arm multi-parameter oil quality sensor 10 further includes a protective cover 19 connected to the lower portion of the base 13. The oil quality probe and temperature sensor 18 are disposed within the protective cover 19. The protective cover 19 is provided with an oil inlet 20. The protective cover 19 is used to protect the detection area from oil impact.

[0026] In this embodiment, the shearer rocker arm multi-parameter oil sensor 10 further includes an explosion-proof connector 21 mounted on the upper cover 15 , through which the signal line 17 enters the enclosed space. The explosion-proof connector 21 is used to seal the upper cover 15 and secure the signal line 17 .

[0027] In this embodiment, a supporting groove 22 is provided on the upper portion of the base 13 , and the signal board 16 is disposed on the supporting groove 22 . The supporting groove 22 is used to install the signal board 16 .

[0028] In this embodiment, the shearer rocker arm multi-parameter oil quality sensor 10 further includes an isolation plate 23 mounted on the support groove 22. The isolation plate 23 and the support groove 22 define an isolation space within which the signal board 16 is disposed. The isolation plate 23 protects the signal board 16 and ensures safe power supply to the oil quality probe and the temperature sensor 18.

[0029] In this embodiment, the upper cover 15 is connected to the base 13 by threads. The protective cover 19 is connected to the base 13 by threads.

[0030] In this embodiment, the oil quality probe includes: an oil quality sensing probe 24 and a moisture / density PPM value probe 25 .

[0031] To sum up, the utility model provides a coal mining machine rocker arm multi-parameter oil sensor and detection system. The designed coal mining machine rocker arm multi-parameter oil sensor is small in size and easy to install in the rocker arm oil circuit; the detection system can realize real-time online monitoring data, avoid shutdown for oil and liquid detection, improve efficiency and reduce losses.

[0032] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A coal mining machine rocker arm multi-parameter oil sensor, characterized in that: include: A base, a plurality of oil probes installed at the lower part of the base, an upper cover installed at the upper part of the base, a signal board, and a signal line; the upper cover and the base form a closed space, the signal board is arranged in the closed space, the signal line penetrates into the closed space and is electrically connected to the signal board, and the oil probe is electrically connected to the signal board.

2. A coal mining machine rocker arm multi-parameter oil sensor according to claim 1, characterized in that: Also includes: A temperature sensing probe is installed at the lower part of the base, and the temperature sensing probe is electrically connected to the signal board.

3. A coal mining machine rocker arm multi-parameter oil sensor according to claim 1, characterized in that: Also includes: A protective cover is connected to the lower part of the base, the oil product probe and the temperature sensing probe are arranged in the protective cover, and the protective cover is provided with an oil inlet hole.

4. A coal mining machine rocker arm multi-parameter oil sensor according to claim 1, characterized in that: Also includes: An explosion-proof connector is installed on the upper cover, and the signal line penetrates into the closed space by penetrating the explosion-proof connector.

5. A coal mining machine rocker arm multi-parameter oil sensor according to claim 1, characterized in that: A supporting groove is arranged on the upper part of the base, and the signal board is arranged on the supporting groove.

6. A coal mining machine rocker arm multi-parameter oil sensor according to claim 5, characterized in that: Also includes: An isolation plate is installed on the supporting groove, the isolation plate and the supporting groove enclose an isolation space, and the signal plate is arranged in the isolation space.

7. A coal mining machine rocker arm multi-parameter oil sensor according to claim 1, characterized in that: The upper cover is connected to the base by threads.

8. A coal mining machine rocker arm multi-parameter oil sensor according to claim 3, characterized in that: The protective cover is connected to the base by threading.

9. A coal mining machine rocker arm multi-parameter oil sensor according to claim 1, characterized in that: The oil product probe comprises: at least one of an oil product sensing probe and a moisture / density PPM value probe.

10. A detection system, characterized in that: include: A coal mining machine rocker arm multi-parameter oil sensor as described in any one of claims 1-9, a signal transmission line, and a collection box, wherein the collection box is connected to the signal line of the coal mining machine rocker arm multi-parameter oil sensor through the signal transmission line, and the coal mining machine rocker arm multi-parameter oil sensor is installed in the high-speed straight-out cavity, coal wall three-axis cavity, straight-tooth low-speed cavity, and planetary reduction cavity of the coal mining machine rocker arm.

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