CN111157241A - State monitoring and early warning and lubricant automatic compensation device applied to rolling bearing - Google Patents
State monitoring and early warning and lubricant automatic compensation device applied to rolling bearing Download PDFInfo
- Publication number
- CN111157241A CN111157241A CN202010088446.XA CN202010088446A CN111157241A CN 111157241 A CN111157241 A CN 111157241A CN 202010088446 A CN202010088446 A CN 202010088446A CN 111157241 A CN111157241 A CN 111157241A
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- temperature
- controller
- vibration
- bearing
- early warning
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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
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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
- F16N—LUBRICATING
- F16N29/00—Special means in lubricating arrangements or systems providing for the indication or detection of undesired conditions; Use of devices responsive to conditions in lubricating arrangements or systems
- F16N29/02—Special means in lubricating arrangements or systems providing for the indication or detection of undesired conditions; Use of devices responsive to conditions in lubricating arrangements or systems for influencing the supply of lubricant
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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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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/24—Reminder alarms, e.g. anti-loss alarms
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/08—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using communication transmission lines
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B31/00—Predictive alarm systems characterised by extrapolation or other computation using updated historic data
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Computing Systems (AREA)
- Mechanical Engineering (AREA)
Abstract
The invention relates to the technical field of lubricating systems, in particular to a state monitoring early warning and lubricant automatic compensation device applied to a rolling bearing, which can continuously monitor the environment temperature, the bearing temperature and the bearing vibration state, then carry out analysis and judgment, and if the result caused by the lack of lubricant is analyzed, the system forcibly carries out grease supplement on a bearing seat; and if the result caused by the lack of the potential non-lubricant is analyzed, carrying out abnormal state early warning on the equipment display, sending early warning information to a user control center and a handheld terminal, and reminding the point inspection personnel to further judge or carry out preventive maintenance.
Description
Technical Field
The invention relates to the technical field of lubricating systems, in particular to a state monitoring and early warning and lubricant automatic compensation device applied to a rolling bearing.
Background
In the existing lubricating system, the lubricating system is used for conveying fresh grease stored in a grease barrel into a bearing seat through a pipeline under the driving of an oil pump. So that the bearing seat can obtain fresh grease. In the existing lubrication system, the grease is replenished by setting the time and amount of replenishment of grease through experience accumulated manually for a long period of time or through a preset time period.
The defects of the single-point greasing device which extrudes the oil bag through the spring are found in the using process: (1) after the oil bag is filled for many times, the oil bag is easy to leak, and a grease filling device and the oil bag need to be purchased from a manufacturer, so that the use cost is increased; (2) the special battery is used for providing the electric energy consumption of the whole system, and the special battery is disposable and needs to be purchased from a manufacturer, so that the use cost is increased; (3) the user is provided with choices through several different time periods preset by the controller, the requirements of special occasions cannot be met, the period is fixed, and the requirements of different periods cannot be met; (4) the motor rotates, is decelerated by the gear box, drives the piston to reciprocate by the worm gear, realizes the actions of oil absorption and oil pressing, has low power and low oil outlet pressure, and is directly arranged on a lubricating point with low back pressure;
the defects of the single-point grease feeder with the piston pushed by nitrogen in the using process are found as follows: (1) the lubricating system can be applied to field use only by replenishing grease in a lubricant reservoir in advance through a conventional tool (a grease gun), and the seal part of the piston is easy to leak after the reservoir is filled for many times, so that the reservoir needs to be purchased from a manufacturer, and the use cost is increased; (2) the lubricating system is provided for the consumption of electric energy of the nitrogen generator through a special battery, the nitrogen generator and the battery are disposable and need to be purchased from manufacturers, so that the use cost is increased; (3) the lubricating system is provided for a user to select through several different time periods preset by a controller, can not adapt to the requirements of special occasions, has fixed period and can not meet the requirements of different periods; (4) the piston of the lubricating system works by driving the nitrogen generation unit to generate high-pressure nitrogen through the battery, the generated nitrogen is filled in the upper part of the lubricant container, when the upper pressure is continuously increased, the piston is pushed to move downwards to realize the action of pressing oil, the oil outlet pressure is low, and the piston must be directly arranged on a lubricating point with low back pressure.
Disclosure of Invention
In order to solve the technical problems, the invention provides a bearing vibration monitoring device which can continuously monitor the environmental temperature, the bearing temperature and the bearing vibration state, then carry out analysis and judgment, and if the potential result caused by lack of lubricant is analyzed, the system forcibly carries out grease supplement on a bearing seat; and if the result caused by the lack of the potential non-lubricant is analyzed, carrying out abnormal state early warning on an equipment display, sending early warning information to a user control center and a handheld terminal, and reminding a point inspection worker to further judge or preventively overhaul the state monitoring early warning and lubricant automatic compensation device applied to the rolling bearing.
The invention discloses a state monitoring early warning and lubricant automatic compensation device applied to a rolling bearing, which comprises a bearing seat, a controller, an oil storage barrel, a grease pipeline, a magnetic mounting seat, a vibration temperature integrated sensor and a signal wire, wherein the oil storage barrel is arranged on the controller, the controller is used for carrying out grease lubrication on the bearing seat through the grease pipeline, the vibration temperature integrated sensor is arranged on the bearing seat through the magnetic mounting seat, and the controller is used for transmitting signals with the vibration temperature integrated sensor through the signal wire.
The invention is applied to the state monitoring early warning and lubricant automatic compensating gear of the rolling bearing, the temperature signal of the temperature integral sensor of the vibration adopts the two-wire system to output, can measure the temperature interval, its acceleration signal adopts the two-wire system to output, can measure the vibration acceleration interval and do; the temperature signal of the vibration temperature integrated sensor adopts a Pt100-A grade platinum resistor, and 0-100 omega can be output; the acceleration signal is made of piezoelectric ceramic material and can output 0-5V.
The invention relates to a state monitoring and early warning and lubricant automatic compensation device applied to a rolling bearing.
The state monitoring early warning and lubricant automatic compensation device applied to the rolling bearing can adopt a wireless networking mode to carry out cooperative operation, and the wireless networking mode is a star networking mode.
The invention has the beneficial effects that: (1) the analysis of the running temperature and vibration of the bearing is utilized to realize the grease supplement of the bearing, and the timing supply mode is changed into the on-demand supply mode; (2) the system power supply adopts a standard battery cell, can be repeatedly used and is easy to purchase; (3) the self-contained bearing state monitoring function is realized, which is equivalent to that a user obtains a set of bearing state monitoring system while using a set of lubricating system; (4) the requirement on the aspect of manpower is reduced, inspection personnel can watch the running state of each bearing on the site without carrying professional instruments, and meanwhile, when the inspection personnel are not on the site, the inspection personnel can also watch the running state of each bearing at any time through a user control center and a handheld terminal.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic diagram of a cross section of the controller and swirl pot;
fig. 3 is a schematic diagram of a wireless networking mode state;
in the drawings, the reference numbers: 1. a bearing seat; 2. a controller; 3. an oil storage barrel; 4. a grease pipeline; 5. a magnetic mount; 6. a vibration temperature integrated sensor; 7. and a signal line.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
The oil storage barrel 3 is mounted on the controller 2, the controller 2 conducts greasing and lubrication on the bearing seat 1 through the grease pipeline 4, the vibration temperature integrated sensor 6 is mounted on the bearing seat 1 through the magnetic mounting seat 5, and the controller 2 transmits signals with the vibration temperature integrated sensor 6 through the signal line 7;
the temperature signal of the vibration temperature integrated sensor 6 is output by adopting a two-wire system, the temperature range can be measured from minus 40 ℃ to plus 80 ℃, the acceleration signal is output by adopting the two-wire system, and the measurable vibration acceleration range is plus or minus 50 g; the temperature signal of the vibration temperature integrated sensor 6 adopts a Pt100-A grade platinum resistor, and 0-100 omega can be output; the acceleration signal is made of piezoelectric ceramic material and can output 0-5V;
the controller 2 is provided with a group of acceleration temperature sensor input contacts, and a liquid crystal display is arranged on the controller 2 and can display the current acceleration value a unit g and the current temperature value T unit;
the state monitoring early warning and lubricant automatic compensation device applied to the rolling bearing can adopt a wireless networking mode to carry out cooperative operation, and the wireless networking mode is a star networking mode;
a temperature sensor is arranged on the circuit board and used for monitoring the room temperature T and participating in the calculation of temperature rise delta T;
the temperature rise calculation method comprises the following steps: Δ T ═ T-T;
the working process of the temperature sensor comprises the following steps: when the delta T is more than or equal to 40 ℃ or the T is more than or equal to 75 ℃, the controller forcibly starts the oil pump to supply oil for 120 seconds, then the oil pump stops and enables the LED lamp to continuously flicker at 1S intervals, and when the delta T is less than 40 ℃ or the T is less than 75 ℃, the controller enables the LED lamp to be turned off;
the working process of the vibration sensor comprises the following steps: measuring method and technical conditions according to vibration acceleration of the rolling bearing;
GB/T32333-2015 is used for setting an upper limit value Z3 of the vibration sensor, and when the field vibration sensor monitors that the vibration acceleration value of the equipment is lower than the upper limit value Z3 of the vibration sensor, the LED lamp is enabled to continuously flicker at 1S intervals;
the wireless networking mode is star networking, and one wireless gateway can simultaneously transmit and receive data with a plurality of wireless modules;
the LoRa wireless module is a low-frequency half-duplex LoRa module supporting a concentrator communication protocol, and the working frequency band is as follows: 398 to 525 Mhz. The serial port is used for data receiving and sending, so that the cost threshold of wireless application is reduced, and in the invention, the module is built in the controller;
the LoRa wireless gateway is a LoRa private protocol concentrator and realizes the function of converting RS232/485 to LoRa; low power consumption, 2000 m long distance data transmission; ethernet, 4G, Wi-Fi supported; the support node actively reports, wakes up polling, server issues and other work modes; the invention supports MQTT/Socket protocol, and the wireless gateway is generally arranged on the equipment site or beside a user control center according to different space distances, as shown in figure 3;
the user control center can be a PC, and the user handheld terminal can be a user mobile phone.
One of the possible work flows of the overall device is as follows: the vibration and temperature integrated sensor detects the vibration condition and the temperature condition of the bearing seat, the vibration condition of the bearing seat is intensified and the temperature rises under the condition of grease in the bearing seat, when the delta T is more than or equal to 40 ℃ or the T is more than or equal to 75 ℃, the controller forcibly starts the oil pump to supply oil for 120 seconds and then stops, the LED lamp continuously flickers at 1S intervals and controls the oil storage barrel to carry out grease lubrication on the bearing seat through a grease pipeline, and when the delta T is less than 40 ℃ or the T is less than 75 ℃, the controller extinguishes the LED lamp and stops grease addition; as shown in fig. 1-2; wherein vibration temperature integration sensor, controller and oil storage bucket all can purchase through the mature product in market to install according to actual conditions, and need not the technical staff in this field and pay creative work.
The invention has the following effects:
1. in the prior art, the grease automatic compensation device can only convey lubricating grease to the bearing at regular time and quantity, and the running state of the bearing needs to be monitored by field inspection personnel by using a special instrument. The invention utilizes the analysis of the bearing operating temperature and vibration to realize the bearing grease supplement, and changes the timing supply mode into the supply according to the requirement;
2. in the prior art, the grease automatic compensation device mostly comprises different quantities of disposable parts, thereby increasing the use cost of users virtually. The system power supply of the invention adopts a standard 18650 lithium iron phosphate core, can be repeatedly used and is easy to purchase; the system can be filled with grease by adopting a manual grease gun;
3. the grease automatic compensation device in the prior art does not monitor the bearing state, and the grease automatic compensation device has a bearing state monitoring function, so that a user obtains a set of bearing state monitoring system while using a set of lubricating system;
4. the invention has less requirements on the manual aspect, and the patrol personnel can watch the running state of each bearing on site without carrying a professional instrument, and can also watch the running state of each bearing on site through the user control center and the handheld terminal at any time when the patrol personnel is not on site.
The key points of the technology of the invention are as follows:
1. the vibration temperature integrated sensor is used for controlling whether the lubricating system is filled with oil or not;
2. the integrated circuit in the controller can analyze the current temperature rise, the equipment temperature and the equipment vibration to display the current bearing state and carry out fault early warning, and preventive maintenance is carried out before the equipment is not deteriorated, so that the influence on production is avoided, and the cost is reduced.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (4)
1. The utility model provides a be applied to state monitoring early warning and emollient automatic compensation device of antifriction bearing, a serial communication port, including bearing frame (1), controller (2), oil storage bucket (3), grease pipeline (4), magnetism mount pad (5), vibration temperature integration sensor (6) and signal line (7), install on controller (2) oil storage bucket (3), controller (2) are lubricated through grease pipeline (4) currying to bearing frame (1), install on bearing frame (1) vibration temperature integration sensor (6) through magnetism mount pad (5), controller (2) are through signal line (7) and vibration temperature integration sensor (6) transmission signal.
2. The condition monitoring, warning and lubricant automatic compensating device for rolling bearing according to claim 1, wherein the temperature signal of the vibration temperature integrated sensor (6) is outputted in two-wire system, which can measure the temperature range (-40 ℃ to +80 ℃), the acceleration signal is outputted in two-wire system, which can measure the vibration acceleration range (± 50 g); the temperature signal of the vibration temperature integrated sensor (6) adopts a Pt100-A grade platinum resistor, and 0-100 omega can be output; the acceleration signal is made of piezoelectric ceramic material and can output 0-5V.
3. A condition monitoring, warning and lubricant automatic compensating device for rolling bearing according to claim 1, characterized in that the controller (2) is provided with a set of acceleration temperature sensor input contacts, the controller (2) is provided with a liquid crystal display, and the liquid crystal display can display the current acceleration value a (unit g) and the temperature value T (unit ℃).
4. The device as claimed in claim 1, wherein the device can be operated in a wireless networking mode, and the wireless networking mode is a star networking mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010088446.XA CN111157241A (en) | 2020-02-12 | 2020-02-12 | State monitoring and early warning and lubricant automatic compensation device applied to rolling bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010088446.XA CN111157241A (en) | 2020-02-12 | 2020-02-12 | State monitoring and early warning and lubricant automatic compensation device applied to rolling bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111157241A true CN111157241A (en) | 2020-05-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010088446.XA Pending CN111157241A (en) | 2020-02-12 | 2020-02-12 | State monitoring and early warning and lubricant automatic compensation device applied to rolling bearing |
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| CN (1) | CN111157241A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112145946A (en) * | 2020-11-25 | 2020-12-29 | 江苏嘉轩智能工业科技股份有限公司 | Automatic grease filling system and method for roller |
| CN113757537A (en) * | 2020-06-04 | 2021-12-07 | 上海梅山钢铁股份有限公司 | Intelligent lubrication system for unmanned vehicle and control method thereof |
-
2020
- 2020-02-12 CN CN202010088446.XA patent/CN111157241A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113757537A (en) * | 2020-06-04 | 2021-12-07 | 上海梅山钢铁股份有限公司 | Intelligent lubrication system for unmanned vehicle and control method thereof |
| CN112145946A (en) * | 2020-11-25 | 2020-12-29 | 江苏嘉轩智能工业科技股份有限公司 | Automatic grease filling system and method for roller |
| CN112145946B (en) * | 2020-11-25 | 2021-03-30 | 江苏嘉轩智能工业科技股份有限公司 | Automatic grease filling system and method for roller |
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