Intelligent lubrication system and method for an industrial gear box

Abstract

The application discloses an intelligent lubricating system of an industrial gear box, which comprises a nozzle arranged on the industrial gear box, a gear meshing temperature detecting device, an oil return port, a control module and an oil supply module; the spraying direction of the nozzle is towards the gear meshing position in the industrial gear box; the gear meshing temperature detecting device is used for monitoring the temperature of the gear meshing position in the industrial gear box in real time; the nozzle is communicated with the oil outlet of the oil supply module; the oil return port is communicated with the oil return of the oil supply module; flow meters are arranged at the oil outlet and the oil return of the oil supply module respectively; and the control module is in communication connection with the industrial gear box, the gear meshing temperature detecting device and the oil supply module. The lubricating system of the application can realize real-time detection of the lubricating condition in the industrial gear box by arranging the nozzle directly spraying to the gear meshing position on the industrial gear box and arranging the corresponding detecting module, and can dynamically adjust the lubricating parameters according to the detection data, so that effective lubrication is ensured and abnormal wear of the industrial gear box is avoided.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of industrial gear box, in particular to an intelligent lubrication system and method of industrial gear box, which can be applied to general gear transmission equipment. BACKGROUND

[0002] During the operation of the industrial gear box of the gear transmission equipment, the repeated meshing of the gears will cause the repeated friction of the meshing tooth surface. In order to protect the tooth surface of the gear, a lubrication system is usually arranged to lubricate the gear so as to reduce the wear of the gear and cool the gear. In the prior art, a certain amount of lubricating oil is added into the gear box of the equipment, and the lubricating oil in the gear box is brought up and splashed to other parts by the high-speed rotation of the gear to lubricate the meshing area of the gear. During the use of the industrial gear box, the lubricating oil in the industrial gear box needs to be checked and replaced regularly, which is labor-intensive for the maintenance workers, and the lubrication condition in the gear box cannot be monitored in real time, so that abnormal damage of the equipment during operation is likely to occur.

[0003] Therefore, how to monitor the lubrication condition of the industrial gear box in real time and adjust the lubrication parameters more in real time is a problem to be solved by those skilled in the art. SUMMARY

[0004] In order to solve the above problems, the present application provides a lubrication system and method for industrial gear box, which sets a nozzle directly spraying to the gear meshing position on the industrial gear box, sets a corresponding detection module to detect the lubrication condition in the industrial gear box in real time, and dynamically adjusts the lubrication parameters according to the detection data, so as to ensure effective lubrication and avoid abnormal wear of the industrial gear box.

[0005] The technical scheme of the present application is as follows:

[0006] An intelligent lubrication system of industrial gear box, comprising a nozzle, a gear meshing temperature detection device and an oil return port and a control module and an oil supply module arranged on the industrial gear box; the spraying direction of the nozzle is towards the gear meshing position in the industrial gear box, the gear meshing temperature detection device is used to monitor the temperature of the gear meshing position in the industrial gear box in real time, the nozzle is in communication with the oil outlet of the oil supply module, the oil return port is in communication with the oil return of the oil supply module, and flow meters are arranged at the oil outlet and the oil return of the oil supply module respectively; the control module is in communication connection with the industrial gear box, the gear meshing temperature detection device and the oil supply module.

[0007] The intelligent lubrication system of industrial gear box as described above, the oil outlet of the oil supply module is provided with a filter device and a power device, a medium detection module is arranged behind the filter device of the oil supply module, and the medium detection module is in communication connection with the control module.

[0008] The intelligent lubrication system of the industrial gear box as described above, the oil supply module is provided with an oil temperature detection module, a heating module and a cooling module, and the oil temperature detection module, the heating module and the cooling module are in communication connection with the control module.

[0009] The intelligent lubrication system of the industrial gear box as described above, the oil supply module is provided with a liquid level detection module, and the liquid level detection module is in communication connection with the control module.

[0010] The intelligent lubrication system of the industrial gear box as described above, the nozzle can swing along the gear thickness direction.

[0011] An intelligent lubrication method of an industrial gear box, a nozzle is arranged on the industrial gear box, the spraying direction of the nozzle is towards the gear meshing position in the industrial gear box, an oil supply module is arranged to supply oil to the nozzle, a gear meshing position temperature detection device is arranged in the industrial gear box to monitor the temperature of the gear meshing position in the industrial gear box in real time, the relationship between the temperature of the gear meshing position and the oil supply amount and the oil supply frequency of the oil supply module is set in the control module, the oil supply amount and the oil supply frequency of the oil supply module are dynamically adjusted according to the real-time temperature of the gear meshing position fed back by the gear meshing position temperature detection device, flow meters are arranged at the oil outlet and the oil return of the oil supply module, and the control module judges whether the lubrication passage is smooth according to the information fed back by the two flow meters, and the lubrication passage is judged to be abnormal when the difference between the values of the two flow meters exceeds a preset target value.

[0012] The intelligent lubrication method of the industrial gear box as described above, a filter device and a power device are arranged at the oil outlet of the oil supply module, the lubricating oil at the oil outlet of the oil supply module is filtered through the filter device, and the lubricating oil in the oil supply module is provided with oil outlet power through the power device, a medium detection module is arranged behind the filter device of the oil supply module, the medium detection module feeds back the quality of the lubricating oil in the oil supply module to the control module, and the lubricating oil is judged to be abnormal in quality when the quality of the lubricating oil fed back to the control module by the medium detection module exceeds a preset allowable value range.

[0013] The intelligent lubrication method of the industrial gear box as described above, an oil temperature detection module, a heating module and a cooling module are arranged on the oil supply module, the temperature of the lubricating oil in the oil supply module is detected through the oil temperature detection module and the detection value is fed back to the control module, the control module sends an instruction to the heating module or the cooling module to heat or cool the lubricating oil in the oil supply module when the detection value exceeds a preset allowable value range, and the detection value is adjusted into the preset allowable value range.

[0014] The intelligent lubrication method of the industrial gear box as described above, a liquid level detection module is arranged on the oil supply module, and the liquid level is judged to be abnormal when the liquid level value detected by the liquid level detection module exceeds the allowable value range set by the control module.

[0015] The intelligent lubrication method of the industrial gear box as described above, the nozzle is arranged in a form capable of swinging along the gear thickness direction, and the lubricating oil can be sprayed in the gear thickness direction through the back-and-forth swinging of the nozzle.

[0016] The present application has the advantages of:

[0017] The intelligent lubrication system and the lubrication method provided by the present application can ensure effective lubrication and avoid abnormal wear of the industrial gear box by arranging a nozzle for directly spraying lubricating oil to the gear meshing position of the industrial gear box, arranging a corresponding detection module to detect the lubrication condition of the industrial gear box in real time, and dynamically adjusting the lubrication parameters based on the detection data. BRIEF DESCRIPTION OF DRAWINGS

[0018] The solutions and advantages of the present application will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments in conjunction with the accompanying drawings. The drawings are provided for purposes of illustrating the preferred embodiments and are not considered to be limiting on the present application.

[0019] In the drawings:

[0020] Figure 1 The present application provides an intelligent lubrication system for an industrial gear box.

[0021] The components represented by the reference numerals in the drawings are:

[0022] 1, industrial gear box, 1a, nozzle, 1b, gear meshing position temperature detection device, 1c, oil return port, 2, control module, 3, oil supply module, 3a, filter device, 3b, power device, 3c, medium detection module, 3d, oil temperature detection module, 3e, liquid level detection module, 3f, heating module, 3g, cooling module, 4, flow meter. DETAILED DESCRIPTION

[0023] The exemplary embodiments of the present disclosure will be described in greater detail below with reference to the accompanying drawings. It should be noted that these embodiments are provided so that the present disclosure can be more thoroughly understood, and the scope of the present disclosure can be completely conveyed to those skilled in the art, and the present disclosure can be implemented in various forms, and should not be limited by the embodiments set forth herein.

[0024] It should be understood that when referring to an element being "connected" or "coupled" to another element, the element can be directly connected or coupled to the other element, or there can be an intermediate element. Other terms used to describe the relationship between elements should be interpreted in the same manner (e.g., "between", "adjacent", etc.). The orientation "left and right", "front and back", etc. mentioned in the present application are only used to express the relative positional relationship, and are not bound by any specific direction reference in actual application.

[0025] Referring toFigure 1 The intelligent lubrication system of the industrial gear box comprises a nozzle 1a, a gear meshing temperature detection device 1b and an oil return port 1c arranged on the industrial gear box 1, and a control module 2 and an oil supply module 3.

[0026] The spraying direction of the nozzle 1a is towards the gear meshing position in the industrial gear box 1, and preferably, the nozzle 1a can swing along the gear thickness direction, for example, the nozzle 1a is arranged on a reciprocating swing mechanism, the nozzle 1a is driven to swing back and forth by the reciprocating swing mechanism, further, the frequency of the reciprocating swing mechanism can be controlled by the control module 2, and the swing frequency can be linked with other parameters of the intelligent lubrication system.

[0027] The gear meshing temperature detection device 1b is used to monitor the temperature of the gear meshing position in the industrial gear box 1 in real time, and the gear meshing temperature detection device 1b can adopt a temperature sensor or an infrared thermometer.

[0028] The nozzle 1a and the oil outlet of the oil supply module 3 are connected by a pipeline, and the oil return port 1c and the oil return of the oil supply module 3 are connected by a pipeline, and flow meters 4 are arranged on the pipelines at the oil outlet and the oil return of the oil supply module 3 respectively.

[0029] The control module 2 is in communication connection with the industrial gear box 1, the gear meshing temperature detection device 1b and the oil supply module 3.

[0030] In space, the oil supply module 3 is below the industrial gear box 1, and the oil in the industrial gear box 1 can return to the oil supply module 3 by gravity, the oil supply module 3 can be made into a separate hydraulic station and placed beside the industrial gear box 1 or other positions, or can be attached to the industrial gear box 1.

[0031] The intelligent lubrication method of the industrial gear box corresponding to the above intelligent lubrication system: a nozzle 1a is arranged on the industrial gear box 1, the spraying direction of the nozzle 1a is towards the gear meshing position in the industrial gear box 1, an oil supply module 3 is arranged to supply oil to the nozzle 1a, a gear meshing temperature detection device 1b is arranged in the industrial gear box 1 to monitor the temperature of the gear meshing position in the industrial gear box 1 in real time; the relationship between the temperature of the gear meshing position and the oil supply amount and frequency of the oil supply module 3 is set in the control module 2, the real-time temperature of the gear meshing position fed back by the gear meshing temperature detection device 1b is used to dynamically adjust the oil supply amount and frequency of the oil supply module 3; flow meters 4 are arranged at the oil outlet and the oil return of the oil supply module 3, and the control module 2 judges whether the lubrication passage is smooth according to the information fed back by the two flow meters 4, and when the difference between the values of the two flow meters 4 exceeds a preset target value, it is judged that the lubrication passage is abnormal.

[0032] Further, the nozzle 1a is arranged in a form capable of swinging along the gear thickness direction, and the lubricating oil can be sprayed in the gear thickness direction through the back-and-forth swinging of the nozzle 1a; the nozzle 1a is swung by the electrically-driven reciprocating mechanism, the swinging frequency of the electrically-driven reciprocating mechanism is preset in the control module 2 in correspondence with the temperature at the gear meshing position, and the control module 2 dynamically adjusts the swinging frequency of the electrically-driven reciprocating mechanism according to the real-time temperature at the gear meshing position fed back by the gear meshing position temperature detection device 1b.

[0033] Further, the oil outlet of the oil supply module 3 is provided with a filter device 3a and a power device 3b, specifically, the filter device 3a is a filter element, and the power device 3b is a pump; a medium detection module 3c is arranged behind the filter device 3a of the oil supply module 3, the medium detection module 3c is in communication connection with the control module 2, and the medium detection module 3c can be a lubricating oil medium detection sensor, which can convert the medium parameters of the lubricating oil into signals recognizable by the control module 2.

[0034] Further, the oil outlet of the oil supply module 3 is provided with a filter device 3a and a power device 3b, the lubricating oil at the oil outlet of the oil supply module 3 is filtered by the filter device 3a, and the lubricating oil in the oil supply module 3 is provided with oil outlet power by the power device 3b; a medium detection module 3c is arranged behind the filter device 3a of the oil supply module 3, the medium detection module 3c feeds back the quality of the lubricating oil in the oil supply module 3 to the control module 2, and the lubricating oil quality is judged to be abnormal when the lubricating oil quality fed back by the medium detection module 3c to the control module 2 exceeds the preset allowable value range.

[0035] Further, the oil supply module 3 is provided with an oil temperature detection module 3d, a heating module 3f and a cooling module 3g, which are in communication connection with the control module 2; specifically, the oil temperature detection module 3d is selected from a temperature sensor, the heating module 3f is selected from a resistance heating mode, and the cooling module 3g can not exclude air cooling and the like, but preferably adopts a cooling water cooling mode. The cooling water pipeline needs to be provided on the oil supply module 3, and a cooling water inlet, a cooling water return, a control on-off electromagnetic valve and a cooling water power device need to be provided outside the oil supply module 3. The control module 2 is in communication connection with the control on-off electromagnetic valve and the cooling water power device and controls the on-off of the control on-off electromagnetic valve and the opening and closing of the cooling water power device. More preferably, when it is necessary to more accurately control the cooling process, threshold control can be introduced. For example, when the oil tank temperature parameter value of the oil supply module 3 exceeds the target value, the oil tank temperature of the oil supply module 3 needs to be adjusted by starting the cooling module 3g. According to the cooling speed, the required cooling time is predicted. When the predicted cooling time exceeds the expected value, it indicates that the existing cooling speed cannot meet the cooling of the oil supply module 3, and the system needs to be stopped to ensure the cooling of the oil supply module 3 and the whole set of system. When the predicted cooling time has not exceeded the expected value, it indicates that the existing cooling speed can timely reduce the temperature of the oil supply module 3, and only the cooling module 3g needs to be started to adjust the oil tank temperature of the oil supply module 3. Due to the particularity of the liquid medium, in order to accurately predict the cooling time, a temperature-controllable intermediate buffer tank can be used as an intermediate container of the cooling water, and the temperature adjustment of the cooling water itself is realized by adjusting the water inlet and outlet amount between the electromagnetic control valve and the water source. In this way, the cooling time is easier to predict.

[0036] Further, the oil supply module 3 is provided with an oil temperature detection module 3d, a heating module 3f and a cooling module 3g, which are in communication connection with the control module 2; specifically, the oil temperature detection module 3d is selected from a temperature sensor, the heating module 3f is selected from a resistance heating mode, and the cooling module 3g can not exclude air cooling and the like, but preferably adopts a cooling water cooling mode. The cooling water pipeline needs to be provided on the oil supply module 3, and a cooling water inlet, a cooling water return, a control on-off electromagnetic valve and a cooling water power device need to be provided outside the oil supply module 3. The control module 2 is in communication connection with the control on-off electromagnetic valve and the cooling water power device and controls the on-off of the control on-off electromagnetic valve and the opening and closing of the cooling water power device. More preferably, when it is necessary to more accurately control the cooling process, threshold control can be introduced. For example, when the oil tank temperature parameter value of the oil supply module 3 exceeds the target value, the oil tank temperature of the oil supply module 3 needs to be adjusted by starting the cooling module 3g. According to the cooling speed, the required cooling time is predicted. When the predicted cooling time exceeds the expected value, it indicates that the existing cooling speed cannot meet the cooling of the oil supply module 3, and the system needs to be stopped to ensure the cooling of the oil supply module 3 and the whole set of system. When the predicted cooling time has not exceeded the expected value, it indicates that the existing cooling speed can timely reduce the temperature of the oil supply module 3, and only the cooling module 3g needs to be started to adjust the oil tank temperature of the oil supply module 3. Due to the particularity of the liquid medium, in order to accurately predict the cooling time, a temperature-controllable intermediate buffer tank can be used as an intermediate container of the cooling water, and the temperature adjustment of the cooling water itself is realized by adjusting the water inlet and outlet amount between the electromagnetic control valve and the water source. In this way, the cooling time is easier to predict.

[0037] Further, the oil supply module 3 is provided with a liquid level detection module 3e, which is in communication connection with the control module 2; specifically, the liquid level detection module 3e is a liquid level meter.

[0038] Further, the oil supply module 3 is provided with a liquid level detection module 3e, which is in communication connection with the control module 2; specifically, the liquid level detection module 3e is a liquid level meter.

[0039] The intelligent lubricating system and method of the industrial gear box can ensure effective lubrication and avoid abnormal wear of the industrial gear box by setting a nozzle directly spraying to the gear meshing position on the industrial gear box, setting a corresponding detection module to detect the lubricating condition of the industrial gear box in real time, and dynamically adjusting the lubricating parameters according to the detection data.

[0040] The above merely describes the preferred embodiments of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can easily think of changes or additions or replacements within the technical scope disclosed by the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A smart lubrication method for an industrial gearbox, characterized in that, A nozzle (1a) is installed on the industrial gearbox (1), and the spray direction of the nozzle (1a) is towards the gear meshing point inside the industrial gearbox (1). An oil supply module (3) is installed to supply oil to the nozzle (1a). A gear meshing point temperature detection device (1b) is installed inside the industrial gearbox (1) to monitor the temperature of the gear meshing point inside the industrial gearbox (1) in real time. The relationship between the temperature of the gear meshing point and the oil supply amount and oil supply frequency of the oil supply module (3) is set in the control module (2). The oil supply amount and oil supply frequency of the oil supply module (3) are dynamically adjusted according to the real-time temperature of the gear meshing point fed back by the gear meshing point temperature detection device (1b). Flow meters (4) are installed at the oil outlet and oil return point of the oil supply module (3). The control module (2) judges whether the lubrication path is smooth by the information fed back by the two flow meters (4). When the difference between the values ​​of the two flow meters (4) exceeds the preset target value, it is judged that the lubrication path is abnormal. The nozzle (1a) is set to swing along the thickness direction of the gear. The nozzle (1a) is driven to swing by the electric drive reciprocating mechanism. The relationship between the swing frequency of the electric drive reciprocating mechanism and the temperature at the gear meshing point is preset in the control module (2). The control module (2) obtains the real-time temperature at the gear meshing point fed back by the gear meshing point temperature detection device (1b) and dynamically adjusts the swing frequency of the electric drive reciprocating mechanism. An oil temperature detection module (3d), a heating module (3f), and a cooling module (3g) are set on the oil supply module (3). The oil temperature detection module (3d) detects the temperature of the lubricating oil in the oil supply module (3) and feeds back the detection value to the control module (2). When the detection value exceeds the preset allowable value range, the control module (2) sends a command to the heating module (3f) or the cooling module (3g) to heat or cool the lubricating oil in the oil supply module (3) until the detection value enters the preset allowable value range. The cooling module uses cooling water for cooling. Cooling water pipelines are installed in the oil supply module, and cooling water inlet, cooling water return, on / off control solenoid valves, and a cooling water power unit are installed outside the oil supply module. The control module communicates with the on / off control solenoid valves and the cooling water power unit to control the on / off of the solenoid valves and the opening and closing of the cooling water power unit. Threshold control is introduced. When the oil tank temperature parameter value of the oil supply module exceeds the target value, it is necessary to open the cooling module to adjust the oil tank temperature of the oil supply module. The required cooling time is predicted based on the cooling rate. When the predicted cooling time exceeds the expected value, the system is shut down to ensure the cooling of the oil supply module and even the entire system. When the predicted cooling time has not exceeded the expected value, only the cooling module is opened to adjust the oil tank temperature of the oil supply module. A temperature-controlled intermediate buffer tank is used as an intermediate container for cooling water. Combined with the electromagnetic control valve to regulate the inflow and outflow of water between the buffer tank and the water source, the temperature of the cooling water itself is regulated.

2. The intelligent lubrication method for an industrial gearbox according to claim 1, characterized in that, A filter device (3a) and a power device (3b) are provided at the oil outlet of the oil supply module (3). The filter device (3a) filters the lubricating oil at the oil outlet of the oil supply module (3), and the power device (3b) provides the power to supply the lubricating oil in the oil supply module (3). A medium detection module (3c) is provided after the filter device (3a) of the oil supply module (3). The medium detection module (3c) provides feedback to the control module (2) on the quality of the lubricating oil in the oil supply module (3). When the quality of the lubricating oil fed back to the control module (2) by the medium detection module (3c) exceeds the preset allowable value range, it is judged that the quality of the lubricating oil is abnormal.

3. The intelligent lubrication method for an industrial gearbox according to claim 1, characterized in that, A liquid level detection module (3e) is set on the oil supply module (3). When the liquid level value detected by the liquid level detection module (3e) exceeds the allowable value range set by the control module (2), it is judged as an abnormal liquid level.

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