CN114110026A - Intelligent bearing running state monitoring equipment and detection method thereof - Google Patents
Intelligent bearing running state monitoring equipment and detection method thereof Download PDFInfo
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- CN114110026A CN114110026A CN202111387938.XA CN202111387938A CN114110026A CN 114110026 A CN114110026 A CN 114110026A CN 202111387938 A CN202111387938 A CN 202111387938A CN 114110026 A CN114110026 A CN 114110026A
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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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C41/00—Other accessories, e.g. devices integrated in the bearing not relating to the bearing function as such
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/04—Bearings
- G01M13/045—Acoustic or vibration analysis
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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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2233/00—Monitoring condition, e.g. temperature, load, vibration
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Abstract
The invention belongs to the technical field of bearing detection, and aims to solve the problems that the bearing needs to be lubricated manually and periodically in the use process of some equipment at present, the lubrication is troublesome, the lubrication condition of the bearing cannot be monitored in real time and lubricated automatically, and the temperature and the loosening condition of the bearing are difficult to monitor; the bearing temperature monitoring and lubricating system can monitor the temperature of the bearing in the running process, automatically cool the bearing, monitor the lubricating state of the bearing, automatically lubricate the bearing, find the loosening abnormality of the bearing in time, remind an operator to overhaul or replace the bearing in time, and has high intelligent degree and good monitoring effect.
Description
Technical Field
The invention relates to the technical field of bearing detection, in particular to intelligent bearing running state monitoring equipment and a detection method thereof.
Background
The main function of the bearing is to support the mechanical rotator, reduce the friction coefficient in the movement process and ensure the rotation precision of the mechanical rotator, the bearing can be divided into two categories of a rolling bearing and a sliding bearing according to the difference of the friction properties of moving elements, the rolling bearing generally consists of four parts, namely an outer ring, an inner ring, a rolling body and a retainer, and the rolling bearing is divided into two categories of a ball bearing and a roller bearing according to the shape of the rolling body;
at present, in the use process of some equipment, a bearing needs to be checked manually and periodically, and is lubricated by lubricating oil periodically according to the lubricating condition of the bearing, so as to ensure the normal use of the equipment, but the mode is troublesome, the lubricating condition of the bearing cannot be monitored in real time and lubricated automatically, the temperature and the loosening condition of the bearing are difficult to monitor, the bearing can be heated up due to heat accumulation in the use process, the service life of the bearing can be influenced if the bearing is not cooled down in time, the bearing can be loosened after long-time use, and the equipment can be failed if the bearing is not found out in time;
in view of the above technical drawbacks, a solution is proposed.
Disclosure of Invention
The invention aims to provide intelligent bearing running state monitoring equipment and a detection method thereof, whether the temperature, the lubrication state and the loosening state of a bearing are normal or not is judged through the analysis of a running analysis module, the temperature in the bearing running process can be monitored and the bearing can be automatically cooled, the service life of the bearing is favorably prolonged, the lubrication state of the bearing can be monitored and automatically lubricated, the lubricating operation of an operator is not required to be performed regularly and manually, time and labor are saved, the normal running of the bearing is ensured, the loosening abnormality of the bearing can be timely found, the operator is reminded to overhaul or replace the bearing in time, the intelligent degree is high, the monitoring effect is good, the problems that the bearing needs to be lubricated manually and regularly in the using process of some equipment at present, the bearing is troublesome, the lubrication state of the bearing cannot be monitored and automatically lubricated in real time are solved, and it is also difficult to monitor the temperature and the loosening condition of the bearing.
In order to achieve the purpose, the invention provides the following technical scheme:
an intelligent bearing running state monitoring device comprises a processor, a running monitoring module, a data receiving module, a running analysis module, a running feedback module, a control instruction module and an information display module, wherein the running monitoring module is used for monitoring the running state of a bearing, collecting bearing running data and sending the collected bearing running data to the data receiving module; the data receiving module is used for receiving the shaft carrying operation data and transmitting the bearing operation data to the operation analysis module in real time;
the operation analysis module is used for analyzing based on the bearing operation data, generating an abnormal signal or a normal signal of the bearing operation, and sending the abnormal signal and the normal signal to the processor through the operation feedback module; the processor sends a control signal to the control execution module and sends text information to the information display module after receiving the abnormal signal, and the processor sends the text information to the information display module after receiving the normal signal; the control execution module is used for carrying out heat dissipation and lubrication on the bearing or stopping the running of the bearing based on the received control signal, and the information display module is used for displaying the received text information.
Furthermore, the bearing operation data comprises bearing temperature, vibration frequency during bearing operation, noise intensity and the rotating speed of a bearing inner ring, the operation monitoring module comprises a temperature sensor, a rotating speed sensor, a vibration sensor and a noise detection sensor, the temperature sensor is used for collecting the temperature of the bearing, the rotating speed sensor is used for collecting the rotating speed during bearing operation, the vibration sensor is used for collecting the vibration frequency during bearing operation, and the noise detection sensor is used for collecting the noise intensity generated during bearing operation.
Further, the analysis is carried out based on the bearing operation data, an abnormal signal or a normal signal of the bearing operation is generated, and the abnormal signal and the normal signal are sent to the processor through the operation feedback module, wherein the specific processing process is as follows:
acquiring the real-time temperature of the bearing, marking the real-time temperature as Wq, judging that the temperature of the bearing is too high when the Wq is larger than or equal to Wqm, and sending an abnormal signal K1 to a processor by a signal feedback module; when Wq is less than Wqm, the bearing temperature is judged to be normal, and the signal feedback module sends a normal signal Y1 to the processor; wqm is a preset temperature threshold, Wqm is greater than zero;
obtaining the temperature rise rate through analysis and calculation, marking the temperature rise rate as Wsh, obtaining the vibration frequency and the noise intensity of the bearing during operation and the rotating speed of the bearing inner ring, and sequentially marking the vibration frequency, the noise intensity and the rotating speed as L, P, V;
analyzing by a loosening analysis formula based on the vibration frequency L, the noise intensity P and the rotating speed V of the inner ring of the bearing during the operation of the bearing to obtain a loosening coefficient HSD of the bearing;
when HSD is more than or equal to HSDm, the bearing is judged to be loosened abnormally, the signal feedback module sends an abnormal signal K2 to the processor, when HSD is less than HSDm, the bearing is judged to be loosened normally, and the signal feedback module sends a normal signal Y2 to the processor; HSDm is a preset loosening judgment threshold value, and the numerical value of HSDm is larger than zero;
analyzing by a lubrication analysis formula based on the temperature rise rate Wsh, the noise intensity P and the rotating speed V of the bearing inner ring to obtain the lubrication coefficient RHD of the bearing;
when the RHD is larger than or equal to the RHDM, the lubrication state of the bearing is judged to be poor, the signal feedback module sends an abnormal signal K3 to the processor, when the RHD is smaller than the RHDM, the lubrication state of the bearing is judged to be good, and the signal feedback module sends a normal signal Y3 to the processor; and RHDM is a preset lubrication state judgment threshold value, and the numerical value of RHDM is larger than zero.
Further, the specific process of obtaining the temperature rise rate through analytical calculation is as follows:
acquiring the temperature of the bearing when the bearing is started as an initial temperature, and marking the temperature as Wc, wherein the temperature rise value of the bearing is (Wq-Wc);
acquiring the time during starting as an initial time point and marking as tq, acquiring the time during detection as a detection time point and marking as ti, wherein the running time of the bearing is (ti-tq);
by temperature rise rate analysis formula
And (4) performing calculation analysis to obtain the temperature rise rate Wsh when the bearing operates.
Further, after receiving the abnormal signal, the processor sends a control signal to the control execution module, and sends text information to the information display module, the control execution module performs heat dissipation and lubrication on the bearing based on the received control signal, after receiving the normal signal, the processor sends the text information to the information display module, and the information display module displays the received text information, and the specific process is as follows:
when the processor receives the abnormal signal K1, the processor sends a control signal of 'heat dissipation and cooling' to the control execution module, sends text information of 'abnormal bearing temperature' to the information display module, performs heat dissipation and cooling on the bearing through the control execution module, and the information display module displays the text information of 'abnormal bearing temperature';
when the processor receives the normal signal Y1, the processor does not send a control signal, and sends text information of bearing temperature normality to the information display module, and the information display module displays the text information of bearing temperature normality without heat dissipation and temperature reduction;
when the processor receives the abnormal signal K2, the processor sends a control signal of 'stopping running' to the control execution module, and sends text information of 'abnormal bearing loosening and needing to be overhauled' to the information display module, the control execution module controls the bearing to stop running, and the information display module displays the text information of 'abnormal bearing loosening';
when the processor receives the normal signal Y2, the processor does not send a control signal, and sends text information of 'bearing loosening is normal' to the information display module, and the information display module displays the text information of 'bearing loosening is normal without maintenance';
after the processor receives the abnormal signal K3, the processor sends a control signal of 'lubricating the bearing' to the control execution module, sends text information of 'poor bearing lubrication state' to the information display module, lubricates the bearing through the control execution module, and the information display module displays the text information of 'poor bearing lubrication state';
when the processor receives the normal signal Y3, the processor does not send out a control signal and sends text information of 'good bearing lubrication state' to the information display module, and the information display module displays the text information of 'good bearing lubrication state and no lubrication operation needed'.
Further, the bearing is installed on a bearing seat, an arc-shaped heat conducting plate is arranged at the joint of the bearing seat and the bearing outer ring, an arc-shaped heat radiating plate is arranged on one side of the arc-shaped heat conducting plate, which is back to the bearing, heat radiating fins are arranged on the arc-shaped heat radiating plate, a heat radiating groove is formed in the bearing seat, and the arc-shaped heat radiating plate and the heat radiating fins are positioned in the heat radiating groove;
an annular cooling cavity is arranged in an outer ring of the bearing, first sealing sockets communicated with the annular cooling cavity are formed in the upper end and the lower end of the bearing, a liquid outlet assembly is correspondingly arranged at the upper part of the bearing seat, and a liquid inlet assembly is correspondingly arranged at the bottom of the bearing seat; an oil outlet cavity and an oil penetration hole are formed in the outer ring of the bearing, the oil outlet cavity conveys lubricating oil through the oil conveying assembly, and balls in the bearing are lubricated through the oil penetration hole.
Furthermore, the structure of the liquid inlet assembly is the same as that of the liquid outlet assembly, the liquid outlet assembly comprises a second insertion pipe, a movable block, a connecting rod, a second sealing plug, an electromagnet, an iron block and an extrusion mechanism, a connecting cavity is formed in the bearing seat, the movable block is slidably arranged in the connecting cavity, the iron block and the extrusion mechanism are installed on one surface, away from the bearing, of the movable block, the electromagnet corresponding to the iron block is arranged in the connecting cavity, the second insertion pipe is installed on one side, facing the bearing, of the movable block through the connecting rod, the second sealing plug is installed on the second insertion pipe and plugged into the first sealing socket, and the second insertion pipe is inserted into the annular cooling cavity;
install feed liquor pipe and drain pipe on the bearing frame, the one end of drain pipe and the chamber of being connected of play liquid subassembly intercommunication, the other end and the cooler bin intercommunication of drain pipe, the one end of feed liquor pipe and the chamber of being connected of feed liquor subassembly intercommunication, the other end and the cooler bin intercommunication of feed liquor pipe, and install miniature liquid pump on the feed liquor pipe.
Furthermore, the extrusion mechanism comprises a fixed cylinder, a movable cylinder, a fixed rod, a second spring, a connecting block, a guide groove and a guide rod, the fixed cylinder is fixedly arranged in the connecting cavity, the movable cylinder is vertically arranged and inserted into the fixed cylinder, the second spring is arranged in the movable cylinder, the fixed rod is fixedly arranged in the fixed cylinder, the fixed rod extends into the movable cylinder and is connected with the connecting block, and one side of the connecting block, which is back to the fixed rod, is connected with the second spring; the outer peripheral face of the movable cylinder is provided with a guide rod, a guide groove is vertically formed in the fixed cylinder, and the guide rod is connected with the fixed cylinder in a sliding mode through the guide groove.
Further, the oil conveying assembly comprises an oil storage cavity, an oil conveying pipe and a first insertion pipe, the oil storage cavity is arranged in the bearing seat, one end of the oil conveying pipe is communicated with the oil storage cavity, a limiting groove is formed in the other end of the oil conveying pipe, a valve is arranged on the oil conveying pipe, a first sealing plug and a limiting piston are mounted on the outer peripheral surface of the first insertion pipe, the limiting piston is located in the limiting groove, a first spring is arranged in the limiting groove, and the first spring is connected with the limiting piston; and a second sealing socket communicated with the oil outlet cavity is formed in the bearing seat, the first sealing plug is plugged into the second sealing socket, and the first insertion pipe is inserted into the oil outlet cavity.
Furthermore, the invention also provides a detection method of the intelligent bearing running state monitoring equipment, which comprises the following steps:
the method comprises the following steps that firstly, an operation monitoring module collects operation data of a bearing and sends the operation data of the bearing 1 to an operation analysis module through a data receiving module;
step two, the operation analysis module obtains real-time temperature Wq and a temperature threshold Wqm of the bearing, when Wq is less than Wqm, the temperature of the bearing is judged to be normal, the signal feedback module sends a normal signal Y1 to the processor, extra cooling processing is not needed at the moment, when Wq is more than or equal to Wqm, the temperature of the bearing is judged to be too high, the signal feedback module sends an abnormal signal K1 to the processor, the processor sends a control instruction through the control execution module to cool the bearing in a heat dissipation mode, and the heat dissipation cooling operation is as follows:
the liquid inlet pipe conveys cooling liquid to the liquid inlet assembly, the liquid inlet assembly conveys the cooling liquid into the annular cooling cavity, the cooling liquid in the annular cooling cavity absorbs heat generated by the bearing to cool the bearing, the cooling liquid absorbing heat enters the liquid outlet assembly, and the liquid outlet assembly outputs the cooling liquid through the liquid outlet pipe, so that efficient heat dissipation of the bearing is realized;
thirdly, the operation analysis module performs calculation and analysis based on the acquired data to obtain a lubrication coefficient RHD of the bearing and obtain a lubrication coefficient threshold RHDM, when the RHD is smaller than the RHDM, the lubrication state of the bearing is judged to be good, the signal feedback module sends a normal signal Y3 to the processor, the lubrication operation is not needed at the moment, when the RHD is larger than or equal to the RHDM, the lubrication state of the bearing is judged to be poor, the signal feedback module sends an abnormal signal K3 to the processor, the processor sends a control instruction through the control execution module to lubricate the bearing, and the lubrication operation is specifically as follows;
opening a valve on an oil delivery pipe, enabling lubricating oil in an oil storage cavity to enter an oil outlet cavity through the oil delivery pipe and a first insertion pipe, and enabling the lubricating oil in the oil outlet cavity to permeate into a bearing through an oil seepage hole to realize automatic lubrication of the inner side of the bearing;
and fourthly, calculating and analyzing by the operation analysis module based on the acquired data to obtain a loosening coefficient HSD of the bearing, acquiring a loosening coefficient threshold HSDm, judging that the bearing is normally loosened when the HSD is less than the HSDm, sending a judgment signal Y2 to the processor by the signal feedback module, not stopping the bearing, judging that the bearing is abnormally loosened when the HSD is more than or equal to the HSDm, sending an abnormal signal K2 to the processor by the signal feedback module, sending a control instruction by the processor through the control execution module to stop the operation of the bearing, and reminding an operator of overhauling or replacing the bearing in time.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the real-time temperature Wq and the temperature threshold Wqm of the bearing are obtained through the operation analysis module, whether the temperature of the bearing is normal or not is judged, the signal feedback module sends a normal temperature signal or an abnormal temperature signal to the processor, and when the processor receives the abnormal temperature signal, the control execution module is controlled to send a control instruction to carry out heat dissipation and cooling on the bearing, so that the temperature in the bearing operation process can be monitored, the heat dissipation and cooling on the bearing can be automatically carried out, and the service life of the bearing can be prolonged;
2. according to the invention, the lubricating coefficient of the bearing is obtained through calculation and analysis of the operation analysis module, the lubricating state of the bearing is judged, the signal feedback module sends a normal lubricating signal or an abnormal lubricating signal to the processor, and when the processor receives the abnormal lubricating signal, the control execution module sends a control instruction to lubricate the bearing, so that the lubricating state of the bearing can be monitored and lubricated automatically, an operator does not need to perform lubricating operation on the bearing regularly and manually, time and labor are saved, and the normal operation of the bearing is ensured;
3. according to the invention, the looseness coefficient of the bearing is obtained through calculation and analysis of the operation analysis module, the looseness condition of the bearing is judged, the signal feedback module sends a normal looseness signal or an abnormal looseness signal to the processor, the processor sends a control instruction through the control execution module to stop the operation of the bearing and remind an operator to overhaul or replace the bearing in time, so that the abnormity of the bearing can be found in time, the intelligent degree is high, and the monitoring effect is good;
4. according to the invention, the arc-shaped heat conducting plate conducts heat generated by the bearing to the arc-shaped heat dissipation plate, and the arc-shaped heat dissipation plate dissipates the heat through the heat dissipation fins, so that the heat dissipation performance of the bearing is obviously improved, and the service life of the bearing is prolonged.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings;
FIG. 1 is a block diagram of the system of the present invention;
FIG. 2 is a schematic view of the connection of the bearing and bearing housing of the present invention;
FIG. 3 is a schematic view of the structure of the bearing of the present invention;
FIG. 4 is a schematic view of the liquid outlet assembly shown in FIG. 2;
FIG. 5 is a schematic view showing the connection of the cooling tank, the liquid inlet pipe and the liquid outlet pipe according to the present invention;
FIG. 6 is a schematic structural view of the pressing mechanism of FIG. 4;
FIG. 7 is a left side schematic view of a bearing and bearing mount of the present invention;
FIG. 8 is an enlarged view of portion A of FIG. 7;
fig. 9 is a schematic view of the connection of an oil delivery tube and a first cannula according to the present invention.
Reference numerals: 1. a bearing; 2. a bearing seat; 3. a liquid outlet assembly; 4. a liquid inlet component; 5. a liquid outlet pipe; 6. a liquid inlet pipe; 7. a cooling tank; 8. a micro liquid pump; 11. an annular cooling cavity; 12. a first sealed socket; 13. an oil outlet cavity; 14. an oil-bleeding hole; 15. a second sealed socket; 21. a heat sink; 22. an arc-shaped heat conducting plate; 23. an arc-shaped heat dissipation plate; 24. heat dissipation fins; 25. an oil storage chamber; 26. an oil delivery pipe; 261. a limiting groove; 27. a first cannula; 271. a limit piston; 272. a first spring; 28. a first sealing plug; 31. a connecting cavity; 32. a second cannula; 33. a movable block; 34. a connecting rod; 35. a second sealing plug; 36. an electromagnet; 37. an iron block; 38. an extrusion mechanism; 381. a fixed cylinder; 382. a movable barrel; 383. fixing the rod; 384. a second spring; 385. connecting blocks; 386. a guide groove; 387. a guide rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
as shown in fig. 1 to 9, the intelligent bearing operation state monitoring device provided by the present invention includes a processor, an operation monitoring module, a data receiving module, an operation analysis module, an operation feedback module, a control instruction module, and an information display module, wherein the operation monitoring module monitors the operation state of the bearing 1, collects the operation data of the bearing 1, and sends the collected operation data of the bearing 1 to the data receiving module, and the data receiving module transmits the operation data of the bearing 1 to the operation analysis module in real time; the operation monitoring module comprises a temperature sensor, a rotating speed sensor, a vibration sensor and a noise detection sensor, wherein the temperature sensor is used for acquiring the temperature of the bearing 1, the rotating speed sensor is used for acquiring the rotating speed of the bearing 1 in the operation process, the vibration sensor is used for acquiring the vibration frequency of the bearing 1 in the operation process, and the noise detection sensor is used for acquiring the noise intensity generated in the operation process of the bearing 1;
the operation analysis module is used for analyzing based on the operation data of the bearing 1, generating an abnormal signal or a normal signal of the operation of the bearing 1 and sending the abnormal signal and the normal signal to the processor through the operation feedback module; the processor sends a control signal to the control execution module and sends text information to the information display module after receiving the abnormal signal, and the processor sends the text information to the information display module after receiving the normal signal; the control execution module is used for carrying out heat dissipation and lubrication on the bearing 1 or stopping the operation of the bearing 1 based on the received control signal, and the information display module is used for displaying the received text information;
the bearing 1 is installed on the bearing seat 2, the joint of the bearing seat 2 and the outer ring of the bearing 1 is provided with the arc-shaped heat conducting plate 22, one side of the arc-shaped heat conducting plate 22, which is opposite to the bearing 1, is provided with the arc-shaped heat radiating plate 23, the arc-shaped heat radiating plate 23 is provided with the heat radiating fins 24, the bearing seat 2 is provided with the heat radiating grooves 21, the arc-shaped heat radiating plate 23 and the heat radiating fins 24 are positioned in the heat radiating grooves 21, in the operation process of the bearing, the arc-shaped heat conducting plate 22 conducts heat generated by the bearing 1 to the arc-shaped heat radiating plate 23, and the arc-shaped heat radiating plate 23 radiates the heat through the heat radiating fins 24, so that the heat radiating performance of the bearing 1 is obviously improved, and the service life of the bearing 1 is prolonged; an annular cooling cavity 11 is arranged in an outer ring of the bearing 1, first sealing sockets 12 communicated with the annular cooling cavity 11 are formed in the upper end and the lower end of the bearing 1, a liquid outlet assembly 3 is correspondingly arranged at the upper part of the bearing seat 2, and a liquid inlet assembly 4 is correspondingly arranged at the bottom of the bearing seat 2; an oil outlet cavity 13 and an oil seepage hole 14 are arranged in the outer ring of the bearing 1, the oil outlet cavity 13 conveys lubricating oil through an oil conveying assembly, and balls in the bearing 1 are lubricated through the oil seepage hole 14;
in a specific using process, the operation analysis module obtains the real-time temperature of the bearing 1, the real-time temperature is marked as Wq, when the Wq is larger than or equal to Wqm (Wqm is a preset temperature threshold value, and the numerical value of Wqm is larger than zero), the temperature of the bearing 1 is judged to be too high, and the signal feedback module sends an abnormal signal K1 to the processor; when Wq is less than Wqm, judging that the temperature of the bearing 1 is normal, and sending a normal signal Y1 to the processor by the signal feedback module; after the processor receives the abnormal signal K1, the processor sends a control signal of 'heat dissipation and cooling' to the control execution module, sends text information of 'abnormal temperature of the bearing 1' to the information display module, performs heat dissipation and cooling on the bearing 1 through the control execution module, and the information display module displays the text information of 'abnormal temperature of the bearing 1'; when the processor receives the normal signal Y1, the processor does not send a control signal, and sends text information of 'the bearing 1 is normal in temperature' to the information display module, and the information display module displays the text information of 'the bearing 1 is normal in temperature and does not need heat dissipation and cooling';
the temperature rise rate is obtained through analysis and calculation and is marked as Wsh, and the specific process of the temperature rise rate is as follows: acquiring the temperature of the bearing 1 during starting as an initial temperature, and marking as Wc, wherein the temperature rise value of the bearing 1 is (Wq-Wc); acquiring the time during starting as an initial time point and marking as tq, acquiring the time during detection as a detection time point and marking as ti, wherein the running time of the bearing 1 is (ti-tq); by temperature rise rate analysis formula
Calculating and analyzing to obtain the temperature rise rate Wsh when the bearing 1 runs, wherein the larger the value of Wsh is, the faster the temperature rise of the bearing 1 is represented, and otherwise, the temperature rise rate is obtainedRepresenting the slower the temperature rise of the bearing 1; acquiring the vibration frequency and the noise intensity of the bearing 1 in operation and the rotating speed of the inner ring of the bearing 1, and sequentially marking as L, P, V;
based on the vibration frequency L and the noise intensity P of the bearing 1 during operation and the rotating speed V of the inner ring of the bearing 1, and through a loosening analysis formula
Carrying out analysis to obtain a loosening coefficient HSD of the bearing 1; e1, e2 and e3 are preset weight coefficients, e1, e2 and e3 are all larger than zero, and e1 is larger than e2 and is larger than e 3; when HSD is more than or equal to HSDm (HSDm is a preset loosening judgment threshold value, and the numerical value of HSDm is more than zero), judging that the bearing 1 is loosened abnormally, sending an abnormal signal K2 to a processor by a signal feedback module, and when HSD is less than HSDm, judging that the bearing 1 is loosened normally, and sending a normal signal Y2 to the processor by the signal feedback module; the larger the numerical value of HSD is, the more the bearing 1 loosens, and on the contrary, the less the bearing 1 loosens; when the processor receives the abnormal signal K2, the processor sends a control signal of 'stop running' to the control execution module, and sends text information of 'abnormal loosening of the bearing 1 and need to be overhauled' to the information display module, the control execution module controls the bearing 1 to stop running, and the information display module displays the text information of 'abnormal loosening of the bearing 1'; when the processor receives the normal signal Y2, the processor does not send a control signal, and sends text information of 'the bearing 1 is loosened normally' to the information display module, and the information display module displays the text information of 'the bearing 1 is loosened normally without maintenance';
based on the temperature rise rate Wsh, the noise intensity P and the rotating speed V of the inner ring of the bearing 1 and through a lubrication analysis formula
Performing an analysis to obtain the lubrication coefficient RHD of the bearing 1; c1, c2 and c3 are preset weight coefficients, c1, c2 and c3 are all larger than zero, and c1 is larger than c2 and is larger than c 3; when RHD is larger than or equal to RHDm (RHDm is a preset lubricating state judgment threshold value, and the numerical value of RHDm is larger than zero), judging that the lubricating state of the bearing 1 is poor, and sending an abnormal signal by the signal feedback moduleK3, when RHD is less than RHDM, the bearing 1 is judged to be in good state, and the signal feedback module sends a normal signal Y3 to the processor; the larger the value of RHD, the worse the lubrication state of the bearing 1, otherwise, the better the lubrication state of the bearing 1; after the processor receives the abnormal signal K3, the processor sends a control signal of 'lubricating the bearing 1' to the control execution module, sends text information of 'poor lubricating state of the bearing 1' to the information display module, lubricates the bearing 1 through the control execution module, and the information display module displays the text information of 'poor lubricating state of the bearing 1'; when the processor receives the normal signal Y3, the processor does not send out a control signal and sends text information of 'good lubrication state of the bearing 1' to the information display module, and the information display module displays the text information of 'good lubrication state of the bearing 1 and no lubrication operation needed'.
Example two:
as shown in fig. 2 and fig. 4 to 5, the present embodiment is different from embodiment 1 in that the structure of the liquid inlet assembly 4 is the same as that of the liquid outlet assembly 3, and the liquid outlet assembly 3 includes a second insertion tube 32 and a movable block 33, a connection cavity 31 is formed in the bearing seat 2, the movable block 33 is slidably disposed in the connection cavity 31, an iron block 37 and an extrusion mechanism 38 are mounted on a surface of the movable block 33 away from the bearing 1, an electromagnet 36 corresponding to the iron block 37 is disposed in the connection cavity 31, a second insertion tube 32 is mounted on a side of the movable block 33 facing the bearing 1 through a connection rod 34, a second sealing plug 35 is mounted on the second insertion tube 32, the second sealing plug 35 is plugged into the first sealing socket 12, and the second insertion tube 32 is inserted into the annular cooling cavity 11; a liquid inlet pipe 6 and a liquid outlet pipe 5 are mounted on the bearing seat 2, one end of the liquid outlet pipe 5 is communicated with a connecting cavity 31 of the liquid outlet component 3, the other end of the liquid outlet pipe 5 is communicated with the cooling box 7, one end of the liquid inlet pipe 6 is communicated with the connecting cavity 31 of the liquid inlet component 4, the other end of the liquid inlet pipe 6 is communicated with the cooling box 7, and a micro liquid pump 8 is mounted on the liquid inlet pipe 6;
in a specific using process, after the processor receives a temperature abnormal signal, the execution control module controls the micro liquid pump 8 to start, the micro liquid pump 8 conveys cooling liquid into the liquid inlet pipe 6, the liquid inlet pipe 6 conveys the cooling liquid to the liquid inlet component 4, the second insertion pipe 32 in the liquid inlet component 4 conveys the cooling liquid into the annular cooling cavity 11, the cooling liquid in the annular cooling cavity 11 absorbs heat generated by the bearing 1 to cool the bearing, the heat-absorbed cooling liquid enters the liquid outlet component 3, the second insertion pipe 32 in the liquid outlet component 3 outputs the cooling liquid through the liquid outlet pipe 5, efficient heat dissipation of the bearing is achieved, the cooling box 7 cools backflow liquid, circulating heat dissipation is achieved, and cooling heat dissipation efficiency and cooling heat dissipation effects are remarkably improved;
before the bearing 1 is installed, the electromagnet 36 is electrified to generate magnetic attraction, the iron block 37 is attracted by attraction to drive the movable block 33 to move in the direction away from the bearing 1, the second insertion tube 32 completely enters the connection cavity 31, after the bearing 1 is installed, the electromagnet 36 is powered off to eliminate the magnetic attraction, the iron block 37 is not attracted any more, the extrusion mechanism 38 applies thrust to the movable block 33, the movable block 33 moves in the direction of the bearing 1, the second sealing plug 35 plugs the first sealing socket 12, one end of the second insertion tube 32 is inserted into the annular cooling cavity 11, the bearing 1 is convenient to install, and the bearing is beneficial to use.
Example three:
as shown in fig. 4 and fig. 6, the present embodiment is different from embodiments 1 and 2 in that the pressing mechanism 38 includes a fixed cylinder 381, the fixed cylinder 381 is fixedly installed in the connection cavity 31, a movable cylinder 382 is vertically arranged and inserted into the fixed cylinder 381, a second spring 384 is arranged in the movable cylinder 382, a fixed rod 383 is fixedly installed in the fixed cylinder 381, the fixed rod 383 extends into the movable cylinder 382 and is connected with a connection block 385, and a side of the connection block 385 opposite to the fixed rod 383 is connected with the second spring 384; the outer peripheral surface of the movable cylinder 382 is provided with a guide rod 387, a guide groove 386 is vertically arranged in the fixed cylinder 381, and the guide rod 387 is in sliding connection with the fixed cylinder 381 through the guide groove 386;
before installing bearing 1, because suction effect, thrust is exerted to a movable cylinder 382 to movable block 33 to make second spring 384 be compression state under the combined action of dead lever 383 and a movable cylinder 382, after the installation of bearing 1 was accomplished, because disappearance of magnetic attraction, second spring 384 resets and promotes a movable cylinder 382, thereby exert thrust to movable block 33, can make second sealing plug 35 tightly plug first sealed socket 12 after the installation was accomplished, effectively prevent that the coolant liquid from leaking out, the normal operating of heat dissipation cooling operation has been guaranteed.
Example four:
as shown in fig. 7-9, the difference between the present embodiment and embodiments 1, 2, and 3 is that the oil delivery assembly includes an oil delivery pipe 26 and a first insertion pipe 27, an oil storage cavity 25 is disposed in the bearing seat 2, lubricating oil is stored in the oil storage cavity 25, one end of the oil delivery pipe 26 is communicated with the oil storage cavity 25, a limiting groove 261 is disposed at the other end of the oil delivery pipe 26, a valve is disposed on the oil delivery pipe 26, the valve is used for controlling the output of the lubricating oil, a first sealing plug 28 and a limiting piston 271 are mounted on the outer circumferential surface of the first insertion pipe 27, the limiting piston 271 is disposed in the limiting groove 261, a first spring 272 is disposed in the limiting groove 261, and the first spring 272 is connected to the limiting piston 271; a second sealing socket 15 communicated with the oil outlet cavity 13 is formed in the bearing seat 2, a first sealing plug 28 is plugged into the second sealing socket 15, and a first insertion pipe 27 is inserted into the oil outlet cavity 13; an oil level gauge is arranged in the oil storage cavity 25 and used for detecting the condition of the internal oil level and controlling the single oil output;
in a specific using process, after the processor receives a lubricating abnormal signal, the control execution module controls the valve on the oil delivery pipe 26 to be opened, the lubricating oil in the oil storage cavity 25 enters the oil outlet cavity 13 through the oil delivery pipe 26 and the first insertion pipe 27, the lubricating oil in the oil outlet cavity 13 permeates into the bearing 1 through the oil seepage hole 14, automatic lubrication on the inner side of the bearing 1 is realized, the operation is simple, manual lubrication operation on the bearing 1 is not needed, and time and labor are saved; and, before the installation of bearing 1, to the effect of first intubate 27 application of force so that first spring 272 is in tensile state, after bearing 1 installation is accomplished, unclamp first intubate 27, first spring 272 resets and pulls spacing piston 271, and the one end of first intubate 27 inserts out in the oil pocket 13, and first sealing plug 28 tightly plugs second sealed socket 15, not only facilitates the installation, still helps avoiding lubricating oil to leak, has guaranteed the normal transport of lubricating oil.
The working principle of the invention is as follows: when the device is used, the operation monitoring module collects operation data of the bearing 1, the operation data of the bearing 1 is sent to the operation analysis module through the data receiving module, the operation analysis module obtains real-time temperature Wq and a temperature threshold Wqm of the bearing 1, when Wq is less than Wqm, the temperature of the bearing 1 is judged to be normal, the signal feedback module sends a normal signal Y1 to the processor, extra cooling processing is not needed at the moment, when Wq is more than or equal to Wqm, the temperature of the bearing 1 is judged to be too high, the signal feedback module sends an abnormal signal K1 to the processor, the processor sends a control instruction through the control execution module to cool the bearing in a heat dissipation mode, the temperature in the bearing operation process can be monitored, the bearing 1 is automatically cooled in a heat dissipation mode, and the service life of the bearing 1 is prolonged;
the operation analysis module carries out calculation and analysis to obtain a lubrication coefficient RHD of the bearing 1 and obtain a lubrication coefficient threshold value RHDM, when the RHD is smaller than the RHDM, the lubrication state of the bearing 1 is judged to be good, the signal feedback module sends a normal signal Y3 to the processor, lubrication operation is not needed at the moment, when the RHD is larger than or equal to the RHDM, the lubrication state of the bearing 1 is judged to be poor, the signal feedback module sends an abnormal signal K3 to the processor, the processor sends a control instruction through the control execution module to lubricate the bearing, the lubrication state of the bearing 1 can be monitored and lubricated automatically, an operator does not need to lubricate the bearing periodically and manually, time and labor are saved, and the normal operation of the bearing is ensured;
the operation analysis module carries out calculation and analysis to obtain a loosening coefficient HSD of the bearing 1, a loosening coefficient threshold HSDm is obtained, when the HSD is smaller than the HSDm, the bearing 1 is judged to be normally loosened, the signal feedback module sends a judgment signal Y2 to the processor, the bearing 1 does not need to stop running at the moment, when the HSD is larger than or equal to the HSDm, the bearing 1 is judged to be abnormally loosened, the signal feedback module sends an abnormal signal K2 to the processor, the processor sends a control instruction to stop running of the bearing 1 through the control execution module, an operator is reminded of timely overhauling or replacing, the loosening abnormality of the bearing 1 can be found in time, the intelligent degree is high, and the monitoring effect is good.
The formulas are obtained by acquiring a large amount of data and performing software simulation, and the coefficients in the formulas are set by the technicians in the field according to actual conditions; such as: formula (II)
Collecting multiple groups of sample data and setting a corresponding lubricating coefficient for each group of sample data by a person skilled in the art; substituting the set lubrication coefficient and the acquired sample data into formulas, forming a ternary linear equation set by any three formulas, screening the calculated coefficients and taking the mean value to obtain values of c1, c2 and c3 which are 1.208, 1.486 and 1.782 respectively; the magnitude of the coefficient is a specific value obtained by quantizing each parameter, so that the subsequent comparison is convenient, and regarding the magnitude of the coefficient, the proportional relation between the parameter and the quantized value is not influenced, for example, the lubricating coefficient is in direct proportion to the value of the temperature rising rate.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the invention as defined in the following claims.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (10)
1. An intelligent bearing running state monitoring device comprises a processor, a running monitoring module, a data receiving module, a running analysis module, a running feedback module, a control instruction module and an information display module, and is characterized in that the running monitoring module is used for monitoring the running state of a bearing (1), collecting the running data of the bearing (1) and sending the collected running data of the bearing (1) to the data receiving module; the data receiving module is used for receiving the operation data of the bearing (1) and transmitting the operation data of the bearing (1) to the operation analysis module in real time;
the operation analysis module is used for analyzing based on the operation data of the bearing (1), generating an abnormal signal or a normal signal of the operation of the bearing (1), and sending the abnormal signal and the normal signal to the processor through the operation feedback module; the processor sends a control signal to the control execution module and sends text information to the information display module after receiving the abnormal signal, and the processor sends the text information to the information display module after receiving the normal signal; the control execution module is used for carrying out heat dissipation and lubrication on the bearing (1) or stopping the operation of the bearing (1) based on the received control signal, and the information display module is used for displaying the received text information.
2. The intelligent bearing running state monitoring device according to claim 1, wherein the bearing (1) running data comprises bearing (1) temperature, vibration frequency and noise intensity of the bearing (1) in running and the rotating speed of an inner ring of the bearing (1), the running monitoring module comprises a temperature sensor, a rotating speed sensor, a vibration sensor and a noise detection sensor, the temperature sensor is used for collecting the temperature of the bearing (1), the rotating speed sensor is used for collecting the rotating speed of the bearing (1) in running, the vibration sensor is used for collecting the vibration frequency of the bearing (1) in running, and the noise detection sensor is used for collecting the noise intensity generated in the bearing (1) in running.
3. The intelligent bearing running state monitoring device according to claim 2, wherein the analysis is performed based on the running data of the bearing (1), an abnormal signal or a normal signal of the running of the bearing (1) is generated, and the abnormal signal and the normal signal are sent to the processor through the running feedback module, and the specific processing procedures are as follows:
acquiring the real-time temperature of the bearing (1), marking the real-time temperature as Wq, judging that the temperature of the bearing (1) is too high when the Wq is more than or equal to Wqm, and sending an abnormal signal K1 to a processor by a signal feedback module; when Wq is less than Wqm, the temperature of the bearing (1) is judged to be normal, and the signal feedback module sends a normal signal Y1 to the processor; wqm is a preset temperature threshold, Wqm is greater than zero;
obtaining the temperature rise rate through analysis and calculation, marking the temperature rise rate as Wsh, obtaining the vibration frequency and the noise intensity of the bearing 1 in operation and the rotating speed of the inner ring of the bearing (1), and sequentially marking the vibration frequency, the noise intensity and the rotating speed as L, P, V;
analyzing by a loosening analysis formula based on the vibration frequency L and the noise intensity P of the bearing (1) during operation and the rotating speed V of the inner ring of the bearing (1) to obtain a loosening coefficient HSD of the bearing (1);
when HSD is more than or equal to HSDm, the bearing (1) is judged to be loosened abnormally, the signal feedback module sends an abnormal signal K2 to the processor, when HSD is less than HSDm, the bearing (1) is judged to be loosened normally, and the signal feedback module sends a normal signal Y2 to the processor; HSDm is a preset loosening judgment threshold value, and the numerical value of HSDm is larger than zero;
analyzing by a lubrication analysis formula based on the temperature rise rate Wsh, the noise intensity P and the rotating speed V of the inner ring of the bearing (1) to obtain the lubrication coefficient RHD of the bearing (1);
when the RHD is larger than or equal to the RHDM, the lubrication state of the bearing (1) is judged to be poor, the signal feedback module sends an abnormal signal K3 to the processor, when the RHD is smaller than the RHDM, the state of the bearing (1) is judged to be good, and the signal feedback module sends a normal signal Y3 to the processor; and RHDM is a preset lubrication state judgment threshold value, and the numerical value of RHDM is larger than zero.
4. The intelligent bearing running state monitoring device according to claim 3, wherein the specific process of obtaining the temperature rise rate through analysis and calculation is as follows:
acquiring the temperature of the bearing (1) during starting as an initial temperature, and marking the temperature as Wc, wherein the temperature rise value of the bearing (1) is (Wq-Wc);
acquiring the time when starting as an initial time point and marking as tq, acquiring the time when detecting as a detection time point and marking as ti, and then the running time of the bearing (1) is (ti-tq);
by temperature rise rate analysis formula
And (5) performing calculation analysis to obtain the temperature rising rate Wsh of the bearing (1) during operation.
5. The intelligent bearing running state monitoring device according to claim 4, wherein the processor sends a control signal to the control execution module after receiving the abnormal signal, and sends text information to the information display module, the control execution module performs heat dissipation and lubrication on the bearing (1) based on the received control signal, the processor sends the text information to the information display module after receiving the normal signal, and the information display module displays the received text information, and the specific process is as follows:
after the processor receives the abnormal signal K1, a control signal of 'heat dissipation and temperature reduction' is sent to the control execution module, text information of 'abnormal temperature of the bearing (1') is sent to the information display module, the control execution module carries out heat dissipation and temperature reduction on the bearing (1), and the information display module displays the text information of 'abnormal temperature of the bearing (1');
when the processor receives the normal signal Y1, the processor does not send a control signal, and sends text information of bearing (1) with normal temperature to the information display module, and the information display module displays the text information of bearing (1) with normal temperature and without heat dissipation and temperature reduction;
when the processor receives the abnormal signal K2, the processor sends a control signal of 'stopping operation' to the control execution module, and sends text information of 'abnormal loosening of the bearing (1, needing to be overhauled' to the information display module, the control execution module controls the bearing (1) to stop operation, and the information display module displays the text information of 'abnormal loosening of the bearing (1');
when the processor receives the normal signal Y2, the processor does not send a control signal, and sends text information of 'the bearing (1) is loosened normally' to the information display module, and the information display module displays the text information of 'the bearing (1) is loosened normally without maintenance';
after the processor receives the abnormal signal K3, a control signal of 'lubricating the bearing (1') is sent to the control execution module, text information of 'poor lubricating state of the bearing (1') is sent to the information display module, the bearing (1) is lubricated by the control execution module, and the text information of 'poor lubricating state of the bearing (1') is displayed by the information display module;
when the processor receives the normal signal Y3, the processor does not send out a control signal and sends text information of ' good lubrication state of the bearing (1 ') to the information display module, and the information display module displays the text information of ' good lubrication state of the bearing (1 ') without lubrication operation '.
6. The intelligent bearing running state monitoring device according to claim 5, wherein the bearing (1) is mounted on a bearing seat (2), an arc-shaped heat conducting plate (22) is arranged at the joint of the bearing seat (2) and the outer ring of the bearing (1), an arc-shaped heat radiating plate (23) is arranged on one side of the arc-shaped heat conducting plate (22) opposite to the bearing (1), heat radiating fins (24) are arranged on the arc-shaped heat radiating plate (23), a heat radiating groove (21) is formed in the bearing seat (2), and the arc-shaped heat radiating plate (23) and the heat radiating fins (24) are positioned in the heat radiating groove (21);
an annular cooling cavity (11) is arranged in an outer ring of the bearing (1), first sealing sockets (12) communicated with the annular cooling cavity (11) are formed in the upper end and the lower end of the bearing (1), a liquid outlet assembly (3) is correspondingly arranged at the upper part of the bearing seat (2), and a liquid inlet assembly (4) is correspondingly arranged at the bottom of the bearing seat (2); an oil outlet cavity (13) and an oil seepage hole (14) are formed in the outer ring of the bearing (1), the oil outlet cavity (13) conveys lubricating oil through an oil conveying assembly, and balls in the bearing (1) are lubricated through the oil seepage hole (14).
7. The intelligent bearing running state monitoring device according to claim 6, wherein the liquid inlet assembly (4) has the same structure as the liquid outlet assembly (3), the liquid outlet assembly (3) comprises a second insertion pipe (32), a movable block (33), a connecting rod (34), a second sealing plug (35), an electromagnet (36), an iron block (37) and an extrusion mechanism (38), a connecting cavity (31) is formed in the bearing seat (2), the movable block (33) is slidably arranged in the connecting cavity (31), the iron block (37) and the extrusion mechanism (38) are arranged on the side, away from the bearing (1), of the movable block (33), the electromagnet (36) corresponding to the iron block (37) is arranged in the connecting cavity (31), and the second insertion pipe (32) is arranged on the side, facing the bearing (1), of the movable block (33) through the connecting rod (34), a second sealing plug (35) is arranged on the second insertion pipe (32), the second sealing plug (35) is plugged into the first sealing socket (12), and the second insertion pipe (32) is inserted into the annular cooling cavity (11); install feed liquor pipe (6) and drain pipe (5) on bearing frame (2), the one end of drain pipe (5) and the chamber (31) of being connected of play liquid subassembly (3) intercommunication, the other end and cooling box (7) intercommunication of drain pipe (5), the one end of feed liquor pipe (6) and chamber (31) of being connected of feed liquor subassembly (4) intercommunication, the other end and cooling box (7) intercommunication of feed liquor pipe (6), and install miniature liquid pump (8) on feed liquor pipe (6).
8. The intelligent bearing running state monitoring device as claimed in claim 7, wherein the squeezing mechanism (38) comprises a fixed cylinder (381), a movable cylinder (382), a fixed rod (383), a second spring (384), a connecting block (385), a guide groove (386) and a guide rod (387), the fixed cylinder (381) is fixedly installed in the connecting cavity (31), the movable cylinder (382) is vertically arranged and inserted into the fixed cylinder (381), the second spring (384) is arranged in the movable cylinder (382), the fixed rod (383) is fixedly installed in the fixed cylinder (381), the fixed rod (383) extends into the movable cylinder (382) and is connected with the connecting block (385), and one side of the connecting block (385), which faces away from the fixed rod (383), is connected with the second spring (384); the outer peripheral face of a movable cylinder (382) is provided with a guide rod (387), a guide groove (386) is vertically formed in a fixed cylinder (381), and the guide rod (387) is in sliding connection with the fixed cylinder (381) through the guide groove (386).
9. The intelligent bearing running state monitoring device according to claim 8, wherein the oil delivery assembly comprises an oil storage cavity (25), an oil delivery pipe (26) and a first insertion pipe (27), the oil storage cavity (25) is arranged in the bearing seat (2), one end of the oil delivery pipe (26) is communicated with the oil storage cavity (25), the other end of the oil delivery pipe (26) is provided with a limiting groove (261), the oil delivery pipe (26) is provided with a valve, the outer peripheral surface of the first insertion pipe (27) is provided with a first sealing plug (28) and a limiting piston (271), the limiting piston (271) is located in the limiting groove (261), a first spring (272) is arranged in the limiting groove (261), and the first spring (272) is connected with the limiting piston (271); a second sealing socket (15) communicated with the oil outlet cavity (13) is formed in the bearing seat (2), the first sealing plug (28) is plugged into the second sealing socket (15), and the first insertion pipe (27) is inserted into the oil outlet cavity (13).
10. A detection method of intelligent bearing running state monitoring equipment is characterized by comprising the following steps:
the method comprises the following steps that firstly, an operation monitoring module collects operation data of a bearing (1), and the operation data of the bearing (1) is sent to an operation analysis module through a data receiving module;
step two, the operation analysis module obtains the real-time temperature Wq and the temperature threshold Wqm of the bearing (1), when Wq is less than Wqm, the temperature of the bearing (1) is judged to be normal, the signal feedback module sends a normal signal Y1 to the processor, extra cooling processing is not needed at the moment, when Wq is more than or equal to Wqm, the temperature of the bearing (1) is judged to be too high, the signal feedback module sends an abnormal signal K1 to the processor, the processor sends a control instruction through the control execution module to cool the bearing in a heat dissipation mode, and the heat dissipation cooling operation is as follows:
the liquid inlet pipe (6) conveys cooling liquid to the liquid inlet assembly (4), the liquid inlet assembly (4) conveys the cooling liquid into the annular cooling cavity (11), the cooling liquid in the annular cooling cavity (11) absorbs heat generated by the bearing (1) to cool the bearing, the heat-absorbed cooling liquid enters the liquid outlet assembly (3), and the liquid outlet assembly (3) outputs the cooling liquid through the liquid outlet pipe (5) to realize efficient heat dissipation of the bearing;
thirdly, the operation analysis module performs calculation and analysis based on the acquired data to obtain a lubrication coefficient RHD of the bearing (1) and obtain a lubrication coefficient threshold RHDM, when the RHD is smaller than the RHDM, the lubrication state of the bearing (1) is judged to be good, the signal feedback module sends a normal signal Y3 to the processor, the lubrication operation is not needed at the moment, when the RHD is larger than or equal to the RHDM, the lubrication state of the bearing (1) is judged to be poor, the signal feedback module sends an abnormal signal K3 to the processor, the processor sends a control instruction through the control execution module to lubricate the bearing, and the lubrication operation is as follows specifically;
a valve on an oil delivery pipe (26) is opened, lubricating oil in an oil storage cavity (25) enters an oil outlet cavity (13) through the oil delivery pipe (26) and a first insertion pipe (27), and the lubricating oil in the oil outlet cavity (13) permeates into the bearing (1) through an oil permeating hole (14), so that the inner side of the bearing (1) is automatically lubricated;
and fourthly, calculating and analyzing by the operation analysis module based on the acquired data to obtain a loosening coefficient HSD of the bearing (1), acquiring a loosening coefficient threshold HSDm, judging that the bearing (1) is normally loosened when the HSD is smaller than the HSDm, sending a judgment signal Y2 to the processor by the signal feedback module, stopping the bearing (1) at the moment, judging that the bearing (1) is abnormally loosened when the HSD is larger than or equal to the HSDm, sending an abnormal signal K2 to the processor by the signal feedback module, sending a control instruction by the processor through the control execution module to stop the operation of the bearing (1), and reminding an operator of timely overhauling or replacing.
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| CN202111387938.XA CN114110026A (en) | 2021-11-22 | 2021-11-22 | Intelligent bearing running state monitoring equipment and detection method thereof |
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| CN202111387938.XA CN114110026A (en) | 2021-11-22 | 2021-11-22 | Intelligent bearing running state monitoring equipment and detection method thereof |
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| CN114110026A true CN114110026A (en) | 2022-03-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI833309B (en) * | 2022-06-24 | 2024-02-21 | 新加坡商鴻運科股份有限公司 | Disassembling detection device |
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| JP2009109267A (en) * | 2007-10-29 | 2009-05-21 | Nsk Ltd | Method and system for determining abnormality of rolling bearing |
| CN203879942U (en) * | 2014-06-09 | 2014-10-15 | 嘉善德诺轴承有限公司 | Self-radiating high-load bearing block |
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Application publication date: 20220301 |