CN111963661B - Automatic circulation cooling system for lubricating oil of speed reducer - Google Patents
Automatic circulation cooling system for lubricating oil of speed reducer Download PDFInfo
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- CN111963661B CN111963661B CN202010729908.1A CN202010729908A CN111963661B CN 111963661 B CN111963661 B CN 111963661B CN 202010729908 A CN202010729908 A CN 202010729908A CN 111963661 B CN111963661 B CN 111963661B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0402—Cleaning of lubricants, e.g. filters or magnets
- F16H57/0404—Lubricant filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0405—Monitoring quality of lubricant or hydraulic fluids
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0412—Cooling or heating; Control of temperature
- F16H57/0413—Controlled cooling or heating of lubricant; Temperature control therefor
Abstract
The invention discloses an automatic circulation cooling system for speed reducer lubricating oil, which comprises: the system comprises a filtering device connected with an oil outlet of a speed reducer, a cooling device connected with the filtering device, a main oil tank connected with the cooling device, an oil suction pump connected with the main oil tank, a temperature monitoring device connected with the oil suction pump, a preparation loop connected with the temperature monitoring device and an oil inlet of the speed reducer; the temperature monitoring device is connected with the oil inlet of the speed reducer through a first regulating valve, and is connected with the preparation loop through a second regulating valve, and the preparation loop is connected with the oil inlet of the speed reducer. The system can improve the lubricating performance of lubricating oil, quantitatively replace equipment in an oil station and prolong the service life of the speed reducer.
Description
Technical Field
The invention relates to the technical field of speed reducers, in particular to an automatic circulation cooling system for lubricating oil of a speed reducer.
Background
The speed reducer is a common functional component used in each equipment and is directly related to whether the equipment can work normally or not, and further the whole production is influenced; and whether the lubrication of the speed reducer is good or not has important influence on the working state and the service life of the speed reducer. Most speed reducers are in closed transmission, gears and bearings are usually lubricated by thin oil, and the closed speed reducer realizes the lubrication of the thin oil mainly in two modes: internal circulation of thin oil and external circulation of thin oil.
The thin oil internal circulation is to bring lubricating oil from an oil pool to a bearing by means of rotation of a gear to form automatic lubrication, but the oil temperature is increased, the service life of the speed reducer is shortened, and the effect of using the internal circulation of some large-scale speed reducers is not ideal, so that external circulation is needed. The external circulation of thin oil uses the oil pump to gear and bearing oil spout, so not only plays lubricated effect, but also has the refrigerated effect, and externally add the oil station, derive lubricating oil to the oil station, the oil station is handled lubricating oil (filtration, cooling etc.), input lubricating oil to each lubrication point again, but to the processing of lubricating oil in the oil station can not real-time supervision lubricating oil's cooling temperature, impurity filtering's effect, lubricating oil temperature after appearing cooling easily can not reach the standard, and then can not accurately grasp lubricating oil's lubricating performance, reduce the life-span of speed reducer.
Secondly, the maintenance method for the internal equipment of the oil station mainly comprises empirical judgment, offline detection and periodic replacement, and the phenomena that the equipment is not replaced during replacement and is not replaced during replacement easily occur, so that waste of manpower and material resources and unnecessary halt are caused.
Therefore, the problem to be solved by the technical personnel in the field is how to improve the lubricating performance of the lubricating oil, quantitatively replace the equipment in the oil station and prolong the service life of the speed reducer.
Disclosure of Invention
In view of the above problems, the present invention aims to solve the problems that the cooling temperature of the lubricating oil and the impurity filtering effect cannot be monitored in real time, the lubricating performance of the lubricating oil cannot be accurately grasped, resources are wasted due to the fact that the equipment in the oil station is easily replaced, and the service life of the speed reducer is shortened.
The embodiment of the invention provides an automatic circulation cooling system for speed reducer lubricating oil, which comprises: the system comprises a filtering device connected with an oil outlet of a speed reducer, a cooling device connected with the filtering device, a main oil tank connected with the cooling device, an oil suction pump connected with the main oil tank, a temperature monitoring device connected with the oil suction pump, a preparation loop connected with the temperature monitoring device and an oil inlet of the speed reducer;
the temperature monitoring device is connected with the oil inlet of the speed reducer through a first regulating valve, is connected with the preparation loop through a second regulating valve, is connected with the oil inlet of the speed reducer and is used for acquiring a temperature value of lubricating oil and comparing the temperature value of the lubricating oil with a preset temperature value, when the temperature value of the lubricating oil is smaller than the preset temperature value, the first regulating valve is opened, the second regulating valve is closed, and the lubricating oil is input to the oil inlet of the speed reducer; and when the temperature value of the lubricating oil is greater than the preset temperature value, closing the first regulating valve, opening the second regulating valve, and inputting the lubricating oil to the oil inlet of the speed reducer through the preparation loop.
In one embodiment, further comprising: a control device;
the control device is wirelessly connected with the filtering device, the cooling device, the main oil tank, the temperature monitoring device and the preparation loop, and is used for monitoring the working states and related parameters of the filtering device, the cooling device, the main oil tank and the temperature monitoring device, generating a control instruction according to the lubricating oil temperature value acquired by the temperature monitoring device, and transmitting the control instruction to the preparation loop so as to control the output quantity of the lubricating oil in the preparation loop.
In one embodiment, the control device is further configured to predict an aging trend of the filtering device according to the operating state of the filtering device, and generate the replacement information according to the aging trend.
In one embodiment, the preparation loop comprises: a prepared oil tank and an output control valve;
the output control valve is connected with the oil outlet of the preparation oil tank and the control device and used for receiving the control command and correspondingly adjusting the output quantity of the lubricating oil in the preparation oil tank according to the control command.
In one embodiment, the filtration device comprises: a coarse filter and a fine filter;
the coarse filter is connected with the oil outlet of the speed reducer and the fine filter and is used for performing coarse filtration on the lubricating oil and conveying the lubricating oil after the coarse filtration to the fine filter;
the fine filter is connected with the coarse filter and the cooling device and used for finely filtering the lubricating oil after the coarse filter and transmitting the lubricating oil after the fine filter to the cooling device.
In one embodiment, the filter device further comprises: a quality detection module;
the quality detection module is connected with the oil outlet of the speed reducer, the coarse filter and the fine filter and used for obtaining a quality parameter value of the lubricating oil, comparing the quality parameter value of the lubricating oil with a first quality threshold value, comparing the quality parameter value of the lubricating oil with a second quality threshold value when the quality parameter value of the lubricating oil does not accord with the first quality threshold value, and transmitting the lubricating oil to the coarse filter and the fine filter if the quality parameter value of the lubricating oil does not accord with the second quality threshold value, so that the lubricating oil is filtered by the coarse filter and the fine filter;
and when the quality parameter value of the lubricating oil meets the second quality threshold value, transmitting the lubricating oil to the coarse filter, and performing coarse filtration on the lubricating oil by the coarse filter.
In one embodiment, the quality detection module includes: the device comprises an impurity detection unit, a moisture detection unit, a viscosity detection unit and a control unit;
the impurity detection unit is connected with the oil outlet of the speed reducer and the control unit and is used for acquiring particle pollution parameter values of the lubricating oil and transmitting the particle pollution parameter values to the control unit;
the moisture detection unit is connected with the oil outlet of the speed reducer and the control unit and is used for acquiring a moisture content parameter value of the lubricating oil and transmitting the moisture content parameter value to the control unit;
the viscosity detection unit is connected with the oil outlet of the speed reducer and the control unit and is used for acquiring the viscosity parameter value of the lubricating oil and transmitting the viscosity parameter value to the control unit;
the control unit is connected with the impurity detection unit, the moisture detection unit, the viscosity detection unit, the coarse filter and the fine filter, and is used for comparing the particle pollution parameter value, the moisture content parameter value and the viscosity parameter value with the first quality threshold value and the second quality threshold value respectively, and controlling the lubricating oil to be transmitted to the coarse filter and/or the fine filter according to a comparison result.
In one embodiment, the filter device further comprises: a filtration monitoring module;
the filtering monitoring module is connected with the coarse filter, the fine filter and the control device, and is used for monitoring the working state of the coarse filter and the fine filter and transmitting the working state to the control device.
In one embodiment, further comprising: a pressure sensor;
the pressure sensor is connected with the main oil tank and the oil suction pump and used for acquiring the pressure value of the main oil tank and controlling the working state of the oil suction pump according to the pressure value.
In one embodiment, the reducer oil outlet is located at the bottom of the reducer, and the reducer oil inlet is located at the upper part of the reducer.
The technical scheme provided by the embodiment of the invention has the beneficial effects that at least:
according to the automatic circulation cooling system for the lubricating oil of the speed reducer, provided by the embodiment of the invention, the temperature of the lubricating oil is monitored in real time through the temperature monitoring device, and if the temperature of the lubricating oil does not reach the preset standard, the lubricating oil in the preparation loop and the treated lubricating oil are mixed in proportion according to the obtained temperature value, so that the temperature of the lubricating oil reaches the preset standard, and the service life of the speed reducer is prolonged. And moreover, the control device is arranged, the working state and the related parameters of the lubricating oil treatment device can be monitored in real time, and the aging trend is generated according to the related parameters, so that a user can quantitatively replace the aging device according to the aging trend, the manpower and material resources are saved, and the management and maintenance level is improved.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic view of an automatic circulation cooling system for speed reducer lubricating oil according to an embodiment of the present invention;
fig. 2 is a block diagram of an automatic circulation cooling system for speed reducer lubricating oil according to an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
Referring to fig. 1-2, an embodiment of the present invention provides an automatic circulation cooling system for a reducer lubricating oil, including: the system comprises a filtering device 2 connected with an oil outlet 1 of the speed reducer, a cooling device 3 connected with the filtering device 2, a main oil tank 4 connected with the cooling device 3, an oil suction pump 5 connected with the main oil tank 4, a temperature monitoring device 6 connected with the oil suction pump 5, a preparation loop 7 connected with the temperature monitoring device 6 and an oil inlet 8 of the speed reducer;
the temperature monitoring device 6 is connected with the speed reducer oil inlet 8 through a first regulating valve 9, is connected with the preparation loop 7 through a second regulating valve 10, and the preparation loop 7 is connected with the speed reducer oil inlet 8 and is used for acquiring a temperature value of lubricating oil and comparing the temperature value of the lubricating oil with a preset temperature value; when the temperature value of the lubricating oil is greater than the preset temperature value, the first regulating valve 9 is closed, the second regulating valve 10 is opened, and the lubricating oil is input to the speed reducer oil inlet 8 through the preparation loop 7.
Specifically, the devices are connected through oil pipes, and the temperature detection device is arranged on the oil pipes between the first regulating valve 9 and the oil suction pump 5 and between the second regulating valve 10 and the oil suction pump.
Specifically, the reducer oil outlet 1 is located at the bottom of the reducer, and the reducer oil inlet 8 is located at the upper part of the reducer.
Further, the horizontal positions of the filter device 2, the cooling device 3, and the main oil tank 4 are lower than the horizontal position of the speed reducer, and the horizontal position of the preliminary circuit 7 is higher than the horizontal position of the speed reducer.
Further, the process of self-circulation cooling of the reducer lubricating oil is as follows: the oil-saving type oil-saving device has the advantages that lubricating oil is transmitted to the filtering device 2 through the oil outlet 1 of the speed reducer to be subjected to impurity filtering, the filtered lubricating oil is transmitted to the cooling device 3 to be cooled, the cooled lubricating oil is transmitted to the main oil tank 4 to be stored, and the lubricating oil in the main oil tank 4 extracted by the oil suction pump 5 is transmitted to the oil inlet 8 of the speed reducer through the first adjusting valve 9 or the second adjusting valve 10 and the preparation loop 7.
In this embodiment, the temperature of the lubricating oil is monitored in real time through the temperature monitoring device, and if the temperature of the lubricating oil does not reach the preset standard, the lubricating oil in the preparation loop and the treated lubricating oil are mixed in proportion according to the obtained temperature value, so that the temperature of the lubricating oil reaches the preset standard, and the service life of the speed reducer is prolonged.
In one embodiment, further comprising: a control device 11;
the control device 11 is wirelessly connected to the filtering device 2, the cooling device 3, the main oil tank 4, the temperature monitoring device 6, and the preparation loop 7, and is configured to monitor operating states and related parameters of the filtering device 2, the cooling device 3, the main oil tank 4, and the temperature monitoring device 6, generate a control command according to the lubricating oil temperature value obtained by the temperature monitoring device 6, and transmit the control command to the preparation loop 7, so as to control an output amount of the lubricating oil in the preparation loop 7.
Specifically, the control device 11 dynamically adjusts the output amount of the lubricating oil in the preparation circuit 7 according to the lubricating oil temperature value, so as to further cool the temperature of the lubricating oil, so that the lubricating oil temperature value is lower than the preset temperature value.
Further, a liquid level sensor is arranged in the main oil tank 4 and used for sensing the oil amount value of the lubricating oil in the main oil tank 4 and transmitting the oil amount value of the lubricating oil to the control device 11, the control device 11 judges the oil amount value of the lubricating oil and the preset oil amount value, and when the oil amount value of the lubricating oil is smaller than the preset oil amount value, a control instruction is output to the preparation loop 7 to control the output amount of the lubricating oil in the preparation loop 7.
Or, a liquid level sensor, an extraction pump and a preparation oil tank are arranged in the main oil tank 4, when the liquid level sensor in the oil tank senses that the oil quantity value in the oil tank is lower than the preset oil quantity value, the extraction pump is started to extract lubricating oil for supplying until the oil quantity value in the oil tank is equal to or greater than the preset oil quantity value, and the extraction pump is closed.
Specifically, the control device 11 is further configured to predict an aging trend of the filtering device 2 according to the operating state of the filtering device 2, and generate replacement information according to the aging trend.
Further, the control device 11 generates an aging tendency according to the use period and the aging degree of the filter device 2, and replaces the filter device 2 according to the aging tendency.
In this embodiment, the temperature value of lubricating oil is further adjusted through control device, has prolonged the life cycle of lubricating oil to through the operating condition and the relevant parameter of control device real-time supervision lubricating oil processing apparatus, and generate the ageing trend according to its relevant parameter, make the user carry out quantitative change to the device that ages according to the ageing trend, saved manpower and material resources, improved the management and maintenance level.
In one embodiment, the preparation loop 7 comprises: a reserve tank 12 and an output control valve 13;
the output control valve 13 is connected to the oil outlet of the reserve oil tank 12 and the control device 11, and is configured to receive the control command and correspondingly adjust the output amount of the lubricating oil in the reserve oil tank 12 according to the control command.
Furthermore, the preparation circuit 7 is also used for processing the lubricating oil output by the speed reducer instead of the self-circulation circuit when the self-circulation circuit fails.
The operation of the preparation circuit 7 is described in detail below by way of example:
example 1:
the temperature monitoring device 6 detects that the temperature of the lubricating oil is 15 ℃ and the preset temperature value is 5 ℃, and the temperature value of the lubricating oil is higher than the preset temperature value, the first regulating valve 9 is closed, and the second regulating valve 10 is opened;
transmit the temperature value and the oil mass value of lubricating oil for controlling means 11, controlling means 11 generates control command according to the temperature value: the existing lubricating oil and the lubricating oil of the preparation loop 7 are mixed in a ratio of 1:3, and the instruction is transmitted to the preparation loop 7;
the auxiliary circuit 7 adjusts the output control valve 13 in accordance with the transmission command to control the amount of lubricant output from the auxiliary circuit 7.
In one embodiment, the filter device 2 comprises: a coarse filter 14, a fine filter 15;
the coarse filter 14 is connected with the reducer oil outlet 1 and the fine filter 15, and is configured to perform coarse filtration on the lubricating oil, and convey the lubricating oil after the coarse filtration to the fine filter 15.
Specifically, the coarse filter 14 may use a stainless steel wire screen to filter solid particles in the lubricant.
The fine filter 15 is connected with the coarse filter 14 and the cooling device 3, and is used for performing fine filtration on the lubricating oil after the coarse filtration and transmitting the lubricating oil after the fine filtration to the cooling device 3.
Specifically, the fine filter 15 may adopt a novel intercepting filter element to further filter impurities (fine particles and moisture) in the lubricating oil.
In one embodiment, the filtering device 2 further includes: a quality detection module 16;
the quality detection module 16 is connected to the reducer oil outlet 1, the coarse filter 14 and the fine filter 15, and configured to obtain a quality parameter value of the lubricating oil, compare the quality parameter value of the lubricating oil with a first quality threshold, compare the quality parameter value of the lubricating oil with a second quality threshold when the quality parameter value of the lubricating oil does not meet the first quality threshold (a range of the first quality threshold is smaller than a range of the second quality threshold), transmit the lubricating oil to the coarse filter 14 and the fine filter 15 if the quality parameter value of the lubricating oil does not meet the second quality threshold, and filter the lubricating oil by the coarse filter 14 and the fine filter 15;
when the quality parameter value of the lubricant meets the second quality threshold value, the lubricant is transmitted to the coarse filter 14, and the lubricant is subjected to coarse filtration by the coarse filter 14.
In particular, when the value of the quality parameter of the lubricating oil meets the first quality threshold, the lubricating oil is directly delivered to the cooling device 3.
Further, the quality value of the parameter of the lubricating oil comprises: particle contamination parameter value, moisture content parameter value, and viscosity parameter value.
In one embodiment, the quality detection module 16 includes: an impurity detection unit 17, a moisture detection unit 18, a viscosity detection unit 19, and a control unit 20;
the impurity detection unit 17 is connected with the oil outlet 1 of the speed reducer and the control unit 20, and is used for acquiring a particle pollution parameter value of the lubricating oil and transmitting the particle pollution parameter value to the control unit 20;
specifically, the impurity detection unit 17 may measure various particulate matters in a unit volume of the oil sample by using a laser counter according to a universal light shielding principle in the world, calibrate the lubricating oil according to ISO4406 and NAS2 universal modes, and input the calibrated lubricating oil to the control unit 20.
The moisture detection unit 18 is connected with the oil outlet 1 of the speed reducer and the control unit 20, and is used for acquiring a moisture content parameter value of the lubricating oil and transmitting the moisture content parameter value to the control unit 20;
specifically, the moisture detection unit 18 may detect a moisture content parameter value in the lubricating oil in real time by using a capacitance principle.
The viscosity detection unit 19 is connected with the oil outlet 1 of the speed reducer and the control unit 20, and is used for acquiring a viscosity parameter value of the lubricating oil and transmitting the viscosity parameter value to the control unit 20;
specifically, the viscosity detection unit 19 may adopt a viscosity sensor to detect the oil condition in real time.
The control unit 20 is connected to the impurity detection unit 17, the moisture detection unit 18, the viscosity detection unit 19, the coarse filter 14 and the fine filter 15, and configured to compare the particle contamination parameter value, the moisture content parameter value, and the viscosity parameter value with the first quality threshold and the second quality threshold, respectively, and control the lubricating oil to be transmitted to the coarse filter 14 and/or the fine filter 15 according to a comparison result.
Specifically, the first and second mass thresholds include a particle contamination threshold, a moisture content threshold, and the viscosity threshold.
The working process of the quality detection module 16 is specifically described below by way of example:
example 2:
taking the particle contamination parameter value as an example, the operation of the quality detection module 16 is as follows
Presetting a first particle pollution threshold value to be 10-20 mu m and a second particle pollution threshold value to be 30-40 mu m;
the impurity detection unit 17 detects the lubricating oil at the oil outlet of the speed reducer, detects that the particle pollution parameter value of the lubricating oil is 50 microns, and transmits the particle pollution parameter value of the lubricating oil to the control unit 20;
the control unit 20 compares the particle contamination parameter value 50 μm of the lubricating oil with the first particle contamination threshold value of 10-20 μm, and if the particle contamination parameter value of the lubricating oil does not meet the first particle contamination threshold value, compares the particle contamination parameter value of the lubricating oil with the second particle contamination threshold value of 30-40 μm, and if the particle contamination parameter value of the lubricating oil does not meet the second particle contamination threshold value;
the lubricating oil is sequentially transferred to the coarse filter 14 and the fine filter 15 for impurity filtering.
In one embodiment, the filtering device 2 further includes: a filtration monitoring module 21;
the filtering monitoring module 21 is connected to the coarse filter 14, the fine filter 15 and the control device 11, and is used for monitoring the working state of the coarse filter 14 and the fine filter 15, and transmitting the working state to the control device 11.
Specifically, the filter detection device collects loss values of filter screens of the coarse filter 14 and the fine filter 15 in the working process, records the working time of the filter screens, transmits the working time of the loss values to the control device 11, and the control device 11 generates an aging trend and replaces the filter screens of the coarse filter 14 and the fine filter 15 according to the aging trend.
In one embodiment, further comprising: a pressure sensor 22;
the pressure sensor 22 is connected to the main oil tank 4 and the oil suction pump 5, and is configured to obtain a pressure value of the main oil tank 4 and control a working state of the oil suction pump 5 according to the pressure value.
Specifically, the pressure sensor 22 compares the pressure value of the main oil tank 4 with a preset pressure value (set according to the pressure value triggering the oil suction pump 5 to be turned on), when the pressure value of the main oil tank 4 is greater than or equal to the preset pressure value, the oil suction pump 5 is turned on, and when the pressure value of the main oil tank 4 is less than the preset pressure value, the oil suction pump 5 is turned off.
Further, the pressure sensor 22 also transmits the pressure value of the main oil tank 4 to the control device 11, the control device 11 judges the magnitude of the pressure value and the maximum pressure value of the main oil tank 4, and when the pressure value of the main oil tank 4 is close to the maximum pressure value, alarm information is sent.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (6)
1. The utility model provides a speed reducer lubricating oil automatic cycle cooling system which characterized in that includes: the system comprises a filtering device connected with an oil outlet of a speed reducer, a cooling device connected with the filtering device, a main oil tank connected with the cooling device, an oil suction pump connected with the main oil tank, a temperature monitoring device connected with the oil suction pump, a preparation loop connected with the temperature monitoring device and an oil inlet of the speed reducer;
the temperature monitoring device is connected with the oil inlet of the speed reducer through a first regulating valve, is connected with the preparation loop through a second regulating valve, is connected with the oil inlet of the speed reducer, and is used for acquiring a temperature value of lubricating oil, comparing the temperature value of the lubricating oil with a preset temperature value, opening the first regulating valve, closing the second regulating valve and inputting the lubricating oil to the oil inlet of the speed reducer when the temperature value of the lubricating oil is smaller than the preset temperature value; when the temperature value of the lubricating oil is greater than the preset temperature value, closing the first regulating valve, opening the second regulating valve, and inputting the lubricating oil to the oil inlet of the speed reducer through the preparation loop;
further comprising: a control device; the control device is wirelessly connected with the filtering device, the cooling device, the main oil tank, the temperature monitoring device and the preparation loop, and is used for monitoring the working states and relevant parameters of the filtering device, the cooling device, the main oil tank and the temperature monitoring device, generating a control instruction according to the lubricating oil temperature value acquired by the temperature monitoring device, and transmitting the control instruction to the preparation loop so as to control the output quantity of the lubricating oil in the preparation loop; the control device dynamically adjusts the output quantity of the lubricating oil in the preparation loop according to the lubricating oil temperature value so as to further cool the temperature of the lubricating oil, and the lubricating oil temperature value is lower than a preset temperature value;
the filter device includes: a quality detection module; the quality detection module is connected with the oil outlet of the speed reducer, the coarse filter and the fine filter and used for obtaining a quality parameter value of the lubricating oil, comparing the quality parameter value of the lubricating oil with a first quality threshold value, comparing the quality parameter value of the lubricating oil with a second quality threshold value when the quality parameter value of the lubricating oil does not accord with the first quality threshold value, and transmitting the lubricating oil to the coarse filter and the fine filter if the quality parameter value of the lubricating oil does not accord with the second quality threshold value, so that the lubricating oil is filtered by the coarse filter and the fine filter;
when the quality parameter value of the lubricating oil meets the second quality threshold value, the lubricating oil is transmitted to the coarse filter, and the coarse filter performs coarse filtration on the lubricating oil; when the quality parameter value of the lubricating oil meets the first quality threshold value, directly transmitting the lubricating oil to the cooling device;
the quality detection module comprises: the device comprises an impurity detection unit, a moisture detection unit, a viscosity detection unit and a control unit;
the impurity detection unit is connected with the oil outlet of the speed reducer and the control unit and is used for acquiring particle pollution parameter values of the lubricating oil and transmitting the particle pollution parameter values to the control unit;
the moisture detection unit is connected with the oil outlet of the speed reducer and the control unit and is used for acquiring a moisture content parameter value of the lubricating oil and transmitting the moisture content parameter value to the control unit;
the viscosity detection unit is connected with the oil outlet of the speed reducer and the control unit and is used for acquiring the viscosity parameter value of the lubricating oil and transmitting the viscosity parameter value to the control unit;
the control unit is connected with the impurity detection unit, the moisture detection unit, the viscosity detection unit, the coarse filter and the fine filter, and is used for comparing the particle pollution parameter value, the moisture content parameter value and the viscosity parameter value with the first quality threshold value and the second quality threshold value respectively, and controlling the lubricating oil to be transmitted to the coarse filter and/or the fine filter according to a comparison result;
the preparation loop comprises: a prepared oil tank and an output control valve;
the output control valve is connected with an oil outlet of the preparation oil tank and the control device and used for receiving the control instruction and correspondingly adjusting the output quantity of the lubricating oil in the preparation oil tank according to the control instruction; when the temperature monitoring device detects that the temperature value of the lubricating oil is greater than the preset temperature value, the first regulating valve is closed, the second regulating valve is opened, the temperature value and the oil quantity value of the lubricating oil are transmitted to the control device, the control device generates a control instruction according to the temperature value of the lubricating oil, the lubricating oil and the lubricating oil in the preparation loop are mixed in a preset proportion, the control instruction is transmitted to the preparation loop, and the preparation loop adjusts the output control valve according to the control instruction to control the output quantity of the lubricating oil in the preparation loop.
2. The automatic circulation cooling system for lubricating oil of the speed reducer according to claim 1, wherein the control device is further configured to predict an aging trend of the filtering device according to the working state of the filtering device, and generate replacement information according to the aging trend.
3. The automatic circulation cooling system for lubricating oil of the speed reducer as claimed in claim 1, wherein the filtering device comprises: the coarse filter and the fine filter;
the coarse filter is connected with the oil outlet of the speed reducer and the fine filter and is used for performing coarse filtration on the lubricating oil and conveying the lubricating oil after the coarse filtration to the fine filter;
the fine filter is connected with the coarse filter and the cooling device and used for finely filtering the lubricating oil after the coarse filter and transmitting the lubricating oil after the fine filter to the cooling device.
4. The automatic circulation cooling system for lubricating oil of the speed reducer as claimed in claim 3, wherein the filtering device further comprises: a filtration monitoring module;
the filtering monitoring module is connected with the coarse filter, the fine filter and the control device, and is used for monitoring the working state of the coarse filter and the fine filter and transmitting the working state to the control device.
5. The automatic circulation cooling system for lubricating oil of the speed reducer as recited in claim 1, further comprising: a pressure sensor;
the pressure sensor is connected with the main oil tank and the oil suction pump and used for acquiring the pressure value of the main oil tank and controlling the working state of the oil suction pump according to the pressure value.
6. The automatic circulation cooling system for lubricating oil of the speed reducer as claimed in claim 1, wherein the speed reducer oil outlet is located at the bottom of the speed reducer, and the speed reducer oil inlet is located at the upper part of the speed reducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010729908.1A CN111963661B (en) | 2020-07-27 | 2020-07-27 | Automatic circulation cooling system for lubricating oil of speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010729908.1A CN111963661B (en) | 2020-07-27 | 2020-07-27 | Automatic circulation cooling system for lubricating oil of speed reducer |
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| CN201575285U (en) * | 2009-12-10 | 2010-09-08 | 天津钢管集团股份有限公司 | Thin oil lubricating system for large-sized speed reducer |
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| CN110594569A (en) * | 2019-08-08 | 2019-12-20 | 武汉钢铁有限公司 | Monitoring control device for roller lubricating system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3942836B2 (en) * | 2001-03-09 | 2007-07-11 | ジヤトコ株式会社 | Hydraulic oil cooling device for automatic transmission for vehicle |
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| WO2003074903A2 (en) * | 2002-03-01 | 2003-09-12 | Flender Graffenstaden | Gear mechanism with controlled device for generating a rarefied atmosphere |
| CN201575285U (en) * | 2009-12-10 | 2010-09-08 | 天津钢管集团股份有限公司 | Thin oil lubricating system for large-sized speed reducer |
| CN202381963U (en) * | 2011-11-11 | 2012-08-15 | 甘肃酒钢集团宏兴钢铁股份有限公司 | Lubrication bypass circulatory system for rolling mill |
| CN106801780A (en) * | 2015-11-26 | 2017-06-06 | 湖南崇德工业科技有限公司 | A kind of self-lubricating bearing lubricants capacity on-line checking, alarm and control system |
| CN207229724U (en) * | 2017-09-15 | 2018-04-13 | 上海上电漕泾发电有限公司 | A kind of circulation cooling lubrication device of air preheater gear reducer |
| CN109915438A (en) * | 2019-04-02 | 2019-06-21 | 山东航天电子技术研究所 | A kind of oil tank of excavating machine filling hydraulic oil oil filtering system and method |
| CN110594569A (en) * | 2019-08-08 | 2019-12-20 | 武汉钢铁有限公司 | Monitoring control device for roller lubricating system |
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| CN111963661A (en) | 2020-11-20 |
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