On-line monitoring device for quality of lubricating oil of heading machine in coal industry

Abstract

The utility model discloses a coal heading machine lubricating oil quality on-line monitoring device which comprises a flow dividing pipe, one side of the flow dividing pipe is connected with a backflow pipe, the other end of the flow dividing pipe is provided with an installation plate through a first connecting flange, and a sensor is fixedly installed on the installation plate. The sensor comprises an outer shell, a circuit board is fixedly installed in the outer shell, the circuit board comprises a control module, the control module is electrically connected with a PID module, the PID module is electrically connected with a voltage regulating module, the control module is electrically connected with a data processing module, and the data processing module is electrically connected with a power supply module. The system has the advantages that lubricating oil is obtained in a shunting mode, all data information of the lubricating oil is obtained by detecting the shunted lubricating oil, PID control is carried out on power supply of the system, the safety of power supply is improved, and the like.

Description

Technical Field

[0001] The utility model relates to the technical field of tunneling machines, in particular to an online monitoring device for the quality of lubricating oil of a coal tunneling machine. Background Art

[0002] According to the working object, tunnel boring machines are divided into tunnel boring machines. Tunnel boring machines are a kind of comprehensive equipment that uses machinery to crush rocks, remove mucking and support to perform continuous operations. According to the cutting process of the tunnel boring machine on the working surface, it is divided into full-section tunnel boring machines and partial-section tunnel boring machines; according to the working mode, it is divided into open-type tunnel boring machines and shield-type tunnel boring machines. The former is well-known for its large-diameter full-section rock tunnel boring machine, which is a complete set of tunneling equipment integrating excavation, support and mucking. It is called the "aircraft carrier" of engineering machinery and the "king of tunnel boring machines."

[0003] Lubricating oil is a liquid or semi-solid lubricant used in various types of automobiles and mechanical equipment to reduce friction and protect machinery and processed parts. It mainly plays the roles of lubrication, auxiliary cooling, rust prevention, cleaning, sealing and buffering.

[0004] When a tunnel boring machine is in use, the gears or other equipment inside the tunnel boring machine are lubricated with lubricating oil to maintain the stability of the tunnel boring machine. When the lubricating oil is in use, the quality of the lubricating oil is easily affected over a long period of time and needs to be tested to obtain the quality information of the lubricating oil in real time.

[0005] However, existing monitoring sensors are directly inserted into mechanical equipment when in use, which can easily cause collisions between the sensors and the machinery, resulting in damage to the equipment. In addition, the system's power supply process cannot maintain stable power supply, which can easily cause problems such as unstable power supply and damage to the sensors. Utility Model Content

[0006] The purpose of the utility model is to provide an online monitoring device for the quality of lubricating oil of a coal mining machine, which has the advantages of obtaining lubricating oil by diversion, obtaining various data information of the lubricating oil by detecting the diverted lubricating oil, and performing PID control on the power supply of the system to improve the safety of power supply, so as to solve the problems raised in the above-mentioned background technology.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] An online monitoring device for lubricating oil quality of a coal mining machine comprises a shunt pipe, one side of the shunt pipe is connected to a return pipe, the other end of the shunt pipe is mounted with a mounting plate through a first connecting flange, and a sensor is fixedly mounted on the mounting plate;

[0009] The sensor includes an outer shell, a circuit board is fixedly installed inside the outer shell, the circuit board includes a control module, the control module is electrically connected to a PID module, the PID module is electrically connected to a voltage regulating module, the control module is electrically connected to a data processing module, and the data processing module is electrically connected to the sensor.

[0010] Preferably, a second connecting flange is fixedly provided at the other end of the diversion pipe, and a third connecting flange is fixedly provided at the end of the return pipe.

[0011] Preferably, threaded holes are provided on the second connecting flange and the third connecting flange, and second rubber pads are fittedly connected to the second connecting flange and the third connecting flange.

[0012] Preferably, a first rubber pad is provided between the first connecting flange and the mounting plate, and the first connecting flange and the mounting plate are fixedly connected by fixing bolts.

[0013] Preferably, a threaded connection portion is fixedly provided at the bottom of the outer shell, the threaded connection portion passes through the mounting plate, an anti-slip nut is threadedly connected to the threaded connection portion, and the anti-slip nut is located on the inner side of the mounting plate.

[0014] Preferably, a rotating nut is fixedly provided on the upper portion of the outer shell, the rotating nut is located outside the mounting plate, and a third rubber pad is provided between the rotating nut and the mounting plate.

[0015] Preferably, a detection head is fixedly connected to the end of the threaded connection portion, and the detection head is electrically connected to a circuit board inside the outer shell.

[0016] Preferably, the control module is electrically connected to an auxiliary module, the auxiliary module includes a memory and a clock crystal oscillator circuit, and the data processing module is electrically connected to a communication module, and the communication module is communicatively connected to the terminal module.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] When the utility model is in use, the lubricating oil of the tunnel boring machine is diverted and led out through the diverter pipe, and a mounting plate is installed at one end of the diverter pipe, and a sensor is installed on the mounting plate, so that the sensor can detect the lubricating oil, obtain various data information of the lubricating oil, and reflux the lubricating oil through the reflux pipe to realize the reflux of the lubricating oil and realize the detection of fresh lubricating oil;

[0019] And through PID control, the system is powered to maintain voltage stability, preventing voltage instability and damage to the sensor when the system is running. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 It is a structural side view of the utility model;

[0022] Figure 2 It is a top view of the structure of the utility model;

[0023] Figure 3 It is a left side schematic diagram of the mounting plate and sensor of the utility model;

[0024] Figure 4 It is a right side schematic diagram of the mounting plate and sensor of the utility model;

[0025] Figure 5 It is a schematic diagram of the system structure of the utility model.

[0026] In the figure: 1. shunt pipe; 2. return pipe; 3. second connecting flange; 4. third connecting flange; 5. first connecting flange; 6. second rubber pad; 7. mounting plate; 8. outer shell; 9. rotating nut; 10. third rubber pad; 11. threaded connection; 12. anti-drop nut; 13. detection head; 14. first rubber pad; 15. fixing bolt. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] See also Figure 1-5 , the utility model provides a technical solution:

[0029] An online monitoring device for lubricating oil quality of a coal mining machine comprises a shunt pipe 1, one side of the shunt pipe 1 is connected to a return pipe 2, the other end of the shunt pipe 1 is mounted with a mounting plate 7 through a first connecting flange 5, and a sensor is fixedly mounted on the mounting plate 7;

[0030] The sensor includes an outer shell 8, a circuit board is fixedly installed inside the outer shell 8, the circuit board includes a control module, the control module is electrically connected to a PID module, the PID module is electrically connected to a voltage regulating module, the control module is electrically connected to a data processing module, and the data processing module is electrically connected to the sensor.

[0031] In this embodiment, preferably, a second connecting flange 3 is fixedly provided at the other end of the diversion pipe 1, and a third connecting flange 4 is fixedly provided at the end of the return pipe 2. The setting of the second connecting flange 3 and the third connecting flange 4 facilitates the connection of the diversion pipe 1 and the return pipe 2 to the tunneling machine equipment.

[0032] In this embodiment, preferably, threaded holes are provided on the second connecting flange 3 and the third connecting flange 4, and a second rubber pad 6 is fitted and connected to the second connecting flange 3 and the third connecting flange 4. The setting of the second rubber pad 6 facilitates maintaining the connection sealing between the second connecting flange 3 and the third connecting flange 4 to prevent leakage of lubricating oil.

[0033] In this embodiment, preferably, a first rubber pad 14 is provided between the first connecting flange 5 and the mounting plate 7, and the first connecting flange 5 and the mounting plate 7 are fixedly connected by fixing bolts 15. The setting of the first rubber pad 14 facilitates maintaining the connection between the first connecting flange 5 and the mounting plate 7 and improves the sealing performance, and the fixing bolts 15 facilitate fixed connection between the first connecting flange 5 and the mounting plate 7.

[0034] In this embodiment, preferably, a threaded connection portion 11 is fixedly provided at the bottom of the outer shell 8, and the threaded connection portion 11 passes through the mounting plate 7. An anti-detachment nut 12 is threadedly connected to the threaded connection portion 11, and the anti-detachment nut 12 is located on the inner side of the mounting plate 7. The setting of the threaded connection portion 11 facilitates the installation of the sensor on the mounting plate 7, and the setting of the anti-detachment nut 12 facilitates the maintenance of the stability of the connection to prevent it from falling off or loosening.

[0035] In this embodiment, preferably, a rotating nut 9 is fixedly provided on the upper portion of the outer shell 8, and the rotating nut 9 is located on the outer side of the mounting plate 7. A third rubber pad 10 is provided between the rotating nut 9 and the mounting plate 7. The setting of the rotating nut 9 facilitates maintaining the connectivity of the outer shell 8, so that the sensor can maintain a stable connection, and the third rubber pad 10 maintains sealing to prevent leakage of lubricating oil.

[0036] In this embodiment, preferably, a detection head 13 is fixedly connected to the end of the threaded connection part 11, and the detection head 13 is electrically connected to the circuit board inside the outer shell 8. The detection head 13 is used to detect the lubricating oil and transmit the detection data information to the circuit board.

[0037] In this embodiment, preferably, the control module is electrically connected to an auxiliary module, the auxiliary module includes a memory and a clock crystal oscillator circuit, the data processing module is electrically connected to a communication module, the communication module is communicatively connected to the terminal module, and the setting of the auxiliary module facilitates improving the operability of the system, the data information is stored in the memory, and the clock crystal oscillator circuit facilitates output of control waves to the system to maintain stable operation of the system, and the communication module is used to realize remote transmission of data information to facilitate remote monitoring.

[0038] Working principle: When in use, the shunt pipe 1 and the return pipe 2 are connected to the tunnel boring machine through the second connecting flange 3 and the third connecting flange 4, so as to lead out the lubricating oil inside the tunnel boring machine and transport the lubricating oil back, and one end of the shunt pipe 1 is connected to the mounting plate 7 through the first connecting flange 5, and various data information of the lubricating oil is collected through the sensor on the mounting plate 7;

[0039] The collected data information is processed by the data processing module, and the data information is converted into digital form, filtered and gain amplified. Then the control module transmits it to the terminal module through the communication module, which is convenient for remote observation and control adjustment. When supplying power, the voltage regulating module steps down the voltage to 5V, and then adjusts the feedback through the PID module. That is, the PID module collects the voltage of the control module, and then compares it with the set threshold after gain, integration and differentiation processing, and then reversely controls and adjusts the voltage regulating module to maintain voltage stability and improve system safety.

[0040] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An online monitoring device for lubricating oil quality of a coal mining machine, comprising a shunt pipe (1), characterized in that: One side of the shunt pipe (1) is connected to a return pipe (2), and the other end of the shunt pipe (1) is mounted with a mounting plate (7) via a first connecting flange (5), and a sensor is fixedly mounted on the mounting plate (7); The sensor comprises an outer shell (8), a circuit board is fixedly installed inside the outer shell (8), the circuit board comprises a control module, the control module is electrically connected to a PID module, the PID module is electrically connected to a voltage regulating module, the control module is electrically connected to a data processing module, and the data processing module is electrically connected to the sensor.

2. The on-line monitoring device for lubricating oil quality of a coal mining machine according to claim 1 is characterized by: A second connecting flange (3) is fixedly provided at the other end of the diversion pipe (1), and a third connecting flange (4) is fixedly provided at the end of the return pipe (2).

3. The on-line monitoring device for lubricating oil quality of a coal mining machine according to claim 2 is characterized by: The second connecting flange (3) and the third connecting flange (4) are both provided with threaded holes, and the second connecting flange (3) and the third connecting flange (4) are fitted with a second rubber pad (6).

4. The on-line monitoring device for lubricating oil quality of a coal mining machine according to claim 1 is characterized by: A first rubber pad (14) is provided between the first connecting flange (5) and the mounting plate (7), and the first connecting flange (5) and the mounting plate (7) are fixedly connected via fixing bolts (15).

5. The on-line monitoring device for lubricating oil quality of a coal mining machine according to claim 1 is characterized by: A threaded connection portion (11) is fixedly provided at the bottom of the outer shell (8), the threaded connection portion (11) passes through the mounting plate (7), an anti-slip nut (12) is threadedly connected to the threaded connection portion (11), and the anti-slip nut (12) is located on the inner side of the mounting plate (7).

6. The on-line monitoring device for lubricating oil quality of a coal mining machine according to claim 5, characterized in that: A rotating nut (9) is fixedly provided on the upper part of the outer shell (8), the rotating nut (9) is located outside the mounting plate (7), and a third rubber pad (10) is provided between the rotating nut (9) and the mounting plate (7).

7. The on-line monitoring device for lubricating oil quality of a coal mining machine according to claim 6 is characterized by: A detection head (13) is fixedly connected to the end of the threaded connection portion (11), and the detection head (13) is electrically connected to a circuit board inside the outer shell (8).

8. The on-line monitoring device for lubricating oil quality of a coal mining machine according to claim 7, characterized in that: The control module is electrically connected to an auxiliary module, wherein the auxiliary module includes a memory and a clock crystal oscillator circuit; the data processing module is electrically connected to a communication module, and the communication module is communicatively connected to the terminal module.

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