CN110762376A - Pressure-maintaining progressive lubricating system and control method thereof - Google Patents
Pressure-maintaining progressive lubricating system and control method thereof Download PDFInfo
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- CN110762376A CN110762376A CN201911091489.7A CN201911091489A CN110762376A CN 110762376 A CN110762376 A CN 110762376A CN 201911091489 A CN201911091489 A CN 201911091489A CN 110762376 A CN110762376 A CN 110762376A
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- oil
- oil supply
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- electric cabinet
- pressure
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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
- F16N7/00—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated
- F16N7/38—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated with a separate pump; Central lubrication systems
- F16N7/385—Central lubrication systems
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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
- F16N25/00—Distributing equipment with or without proportioning devices
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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
- F16N27/00—Proportioning devices
- F16N27/02—Gating equipment
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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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- 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
- F16N39/00—Arrangements for conditioning of lubricants in the lubricating system
- F16N39/06—Arrangements for conditioning of lubricants in the lubricating system by filtration
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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
- F16N2230/00—Signal processing
- F16N2230/02—Microprocessor; Microcomputer
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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
- F16N2260/00—Fail safe
- F16N2260/02—Indicating
- F16N2260/04—Oil level
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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
- F16N2270/00—Controlling
- F16N2270/20—Amount of lubricant
- F16N2270/30—Amount of lubricant intermittent
-
- 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
- F16N2280/00—Valves
- F16N2280/02—Valves electromagnetically operated
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention relates to the technical field of mechanical lubrication systems, in particular to a pressure-maintaining progressive lubrication system and a control method thereof, and the technical scheme is as follows: the automatic oil distribution system comprises an electric cabinet, a thin oil station, a main oil supply device and a final-stage distributor, wherein the electric cabinet is connected with the thin oil station and the main oil supply device, the main oil supply device is connected with a plurality of final-stage distributors, the electric cabinet is used for controlling the thin oil station to supply oil to the main oil supply device, and the electric cabinet is also used for controlling the main oil supply device to distribute oil to the final-stage distributors. The invention adopts the arrangement of partition lubrication on the control of the lubrication system, and can quickly find out the fault point when the fault occurs; the working processes of lubrication and oil supply are separated, and the condition that the whole system cannot work due to the fact that one link fails is avoided.
Description
Technical Field
The invention relates to the technical field of mechanical lubrication systems, in particular to a pressure-maintaining progressive lubrication system and a control method thereof.
Background
The existing single-line progressive lubricating system generally adopts a main distributor to distribute oil output by a pump station to a plurality of secondary distributors, and then the secondary distributors distribute the oil to more tertiary distributors, and the tertiary distributors input the oil into operating equipment to complete lubrication, but in the using process, many problems can occur, such as: when the distributor is selected, the oil supply amount is already set, and the oil supply amount can not be adjusted again in the use process, so that leakage waste caused by excessive oil supply or abrasion of running equipment caused by insufficient oil supply is easy to occur; the oil pump body of the oil supply pump is easy to damage due to large workload; the service life of a pipeline is not long easily caused by large pressure fluctuation change of an oil supply system; when the distributor is blocked, the blocking point is difficult to determine, and the maintenance is difficult; a block of distributor blockage results in the whole system being inoperable; the control system adopts a relay control method, and faults such as inflexible control or unreliable control often occur.
Disclosure of Invention
Therefore, it is necessary to provide a pressure-maintaining progressive lubrication system and a control method thereof, aiming at the problems that the conventional progressive lubrication system has a distributor blocked, which causes the whole system to be inoperable and the fault point is difficult to find.
A pressure-maintaining progressive lubricating system comprises an electric cabinet, a thin oil station, a main oil supply device and a final-stage distributor, wherein the electric cabinet is connected with the thin oil station and the main oil supply device, the main oil supply device is connected with a plurality of final-stage distributors, the electric cabinet is used for controlling the thin oil station to supply oil to the main oil supply device, the electric cabinet is also used for controlling the main oil supply device to distribute oil to the final-stage distributors, and the electric cabinet respectively controls the main oil supply devices to realize zone control.
In one embodiment, the electric control box is a PLC controller for writing a PLC design program to control the lubrication system.
In one embodiment, the thin oil station comprises an oil tank, an oil supply pump, a filter, an accumulator and a pressure controller, wherein the oil supply pump is used for pumping oil from the oil tank, the filter is used for filtering the oil pumped by the oil supply pump, the accumulator is used for conveying the oil to a system oil circuit when the oil supply pump stops working, and the pressure controller is used for controlling the oil pressure of the system oil circuit.
In one embodiment, the main oil supply device comprises a solenoid valve, a proximity switch, a throttle valve and a main distributor, wherein one end of the solenoid valve is connected with the electric cabinet, the other end of the solenoid valve is connected with the throttle valve, the other end of the throttle valve is connected with the main distributor, the main distributor is connected with a plurality of final-stage distributors, the proximity switch is further connected with the main distributor, the proximity switch is connected with the electric cabinet, and the proximity switch is used for feeding back the working condition of the main distributor to the electric cabinet to control the solenoid valve to supply oil.
In one embodiment, a proximity switch is arranged between the thin oil station and the main oil supply device, the proximity switch is connected with the electric cabinet, and the proximity switch is used for feeding back working conditions of the thin oil station and the main oil supply device to the electric cabinet, so that the electric cabinet controls the thin oil station to supply oil to the main oil supply device.
In one embodiment, the final distributor is connected to the respective lubricating points of the respective operating device.
A method of controlling a dwell progressive lubrication system including an electric cabinet, a lube station, a main oil feed, and a final stage dispenser, the method comprising:
setting values of high oil supply pressure and low oil supply pressure for the pressure controller based on the electric control box, and starting an oil supply pump;
setting on-off interval time and counting times of electromagnetic valves of each main oil supply device based on an electric cabinet to form partition setting;
when oil enters the main distributor, the main distributor starts to work, and the oil is input to the final distributor and is conveyed to a lubricating point of the operating equipment by the final distributor.
According to the pressure-maintaining progressive lubricating system and the control method thereof, the working processes of the thin oil station and the main oil feeding devices are separated, the oil supply of the lubricating system and the working process of oil distribution are also separated, the electric cabinet is used for controlling the main oil feeding devices to independently work, the main oil feeder is used for controlling the final-stage distributors, when a fault occurs, the fault can be quickly found, and the work of other main oil feeding devices cannot be influenced.
In one embodiment, after the starting the oil supply pump, the method further includes:
oil enters a system pipeline and an energy accumulator;
when the oil pressure reaches the oil supply high pressure value, the oil supply pump stops working, and the energy accumulator supplements the oil supply amount;
when the oil pressure is reduced to the value of low oil supply pressure, the oil supply pump starts to work.
Drawings
FIG. 1 is a schematic view of the pressure-maintaining progressive lubrication system of the present embodiment;
fig. 2 is a schematic diagram of a control method of the pressure-maintaining progressive lubrication system in the present embodiment.
In the figure: 1. a thin oil station; 2. an electric cabinet; 3. a main oil supply device; 4. a final distributor; 5. an accumulator; 6. a pressure controller; 7. an electromagnetic valve; 8. a proximity switch; 9. a throttle valve; 10. an oil supply pump; 11. a filter; 12. an oil tank; 13. a main distributor.
Detailed Description
In one embodiment, as shown in fig. 1, a pressure-maintaining progressive lubricating system includes an electric cabinet 2, a thin oil station 1, a main oil supply device 3 and a final-stage distributor 4, the electric cabinet 2 is connected with the thin oil station 1 and the main oil supply device 3, the main oil supply device 3 is connected with a plurality of final-stage distributors 4, the electric cabinet 2 is used for controlling the thin oil station 1 to supply oil to the main oil supply device 3, the electric cabinet 2 is also used for controlling the main oil supply device 3 to distribute oil to the final-stage distributors 4, and the electric cabinet 2 respectively controls the plurality of main oil supply devices 3 to realize zone control.
The thin oil station 1 and the main oil supply device 3 work separately, and can be quickly removed when a fault occurs, and the electric control box 2 is convenient to control the two systems.
The oil supply of the lubricating system is arranged in a grading mode in a partitioning mode, oil is controlled by the electric cabinet 2 and passes through the main oil supply device 3 firstly and then reaches the final distributor 4, the oil can be found out and maintained quickly when a fault occurs, and the oil supply system is arranged in a grading mode in a partitioning mode so that the oil supply system cannot be damaged everywhere due to the fact that one part is damaged when the system fails.
In one embodiment, as shown in fig. 1, the electric control box 2 is a PLC controller for writing a PLC design program to control the lubrication system.
The PLC controller has the advantages of strong universality, convenient use, wide application range, high reliability and strong anti-interference capability.
In one embodiment, as shown in fig. 1, the thin oil station 1 includes an oil tank 12, an oil supply pump 10, a filter 11, an accumulator 5, and a pressure controller 6, wherein the oil supply pump 10 is configured to pump oil from the oil tank 12, the filter 11 is configured to filter the oil pumped by the oil supply pump 10, the accumulator 5 is configured to deliver oil to a system oil path when the oil supply pump 10 stops operating, and the pressure controller 6 is configured to control a system oil path oil pressure.
The PLC program sets the values of high pressure and low pressure of oil supply to the pressure controller 6 arranged on the system pipeline, the common range pressure of the oil supply pump 10 and the main distributor 13 is not exceeded when the high pressure of the oil supply is set, the working pressure of the main distributor 13 is greater when the low pressure of the oil supply is set, but the oil pressure of the system is ensured to be kept between the lowest pressure and the highest pressure and is changed slowly.
The method for storing oil and supplementing oil through the energy accumulator 5 and controlling the pressure of the oil through the pressure controller 6 effectively prevents the defects that the oil supply pump 10 is easy to cause faults when working frequently, the pressure of the oil in a system pipeline fluctuates greatly and the like.
An oil return cavity and an oil supply cavity are arranged in the oil tank 12, the oil return cavity is used for controlling oil liquid of an oil return pipeline of the system to flow back to an oil station or controlling the oil liquid to enter the oil supply cavity after passing through a magnetic filter when new oil is additionally supplied to the system, the new oil is sucked out by a filter pump, passes through a double-cylinder filter and then enters the oil supply cavity, the new oil is sucked out by an oil supply pump 10, passes through a filter 11 and then enters an oil supply system to enter the main oil supply device 3, and high and low oil level alarm indication signals are further arranged in the.
In one embodiment, as shown in fig. 1, the main oil supply device 3 includes a solenoid valve 7, a proximity switch 8, a throttle valve 9 and a main distributor 13, the solenoid valve 7 is connected to the electric cabinet 2 at one end and connected to the throttle valve 9 at the other end, the main distributor 13 is connected to the throttle valve 9 at the other end, a plurality of final distributors 4 are connected to the main distributor 13, the proximity switch 8 is further connected to the main distributor 13, the proximity switch 8 is connected to the electric cabinet 2, and the proximity switch 8 is used for feeding back the operation of the main distributor 13 to the electric cabinet 2, so that the electric cabinet 2 controls the supply of oil to the solenoid valve 7.
The control system also avoids premature failure of the main distributor 13 by adjusting the throttle 9 provided on the main oil feed 3 at too fast a frequency of action.
The control system sets an oil supply counting program for the proximity switch 8 arranged on the main distributor 13, and when the counting value reaches the set value, the PLC program controls the electromagnetic valve 7 to automatically cut off the oil supply
In one embodiment, as shown in fig. 1, a proximity switch 8 is disposed between the thin oil station 1 and the main oil supply device 3, the proximity switch 8 is connected to the electric cabinet 2, and the proximity switch 8 is used for feeding back the working conditions of the thin oil station 1 and the main oil supply device 3 to the electric cabinet 2 to control the thin oil station 1 to supply oil to the main oil supply device 3.
The working information of the thin oil station 1 and the main oil supply device 3 is fed back to the electric cabinet 2 by the proximity switch 8, and the electric cabinet 2 can control the thin oil station 1 and the main oil supply device 3 according to the information of the proximity switch 8, so that the oil pressure of an oil way of the lubricating system is protected to be stable.
In one embodiment, as shown in fig. 1, the final distributor 4 is connected to the lubricating points of the respective operating devices.
In one embodiment, as illustrated in fig. 2, a control method of a pressure-maintaining progressive lubrication system, which includes an electric cabinet 2, a thin oil station 1, a main oil feeder 3, and a final distributor 4, includes:
step 101: setting values of high oil supply pressure and low oil supply pressure for the pressure controller 6 based on the electric control box 2, and starting the oil supply pump 10;
step 102: setting on-off interval time and counting times for the electromagnetic valves 7 of the main oil feeding devices 3 based on the electric cabinet 2 to form partition setting;
step 103: when oil enters the main distributor 13, the main distributor 13 is activated, feeding oil to the final distributor 4, which is transported by the final distributor 4 to the lubrication points of the operating equipment.
After the starting of the fuel supply pump 10, the method further includes:
oil enters a system pipeline and an energy accumulator 5;
when the oil pressure reaches the oil supply high pressure value, the oil supply pump 10 automatically stops working, and the energy accumulator 5 supplements the oil supply amount;
the oil pressure drops to the oil supply low pressure value and the oil supply pump 10 starts operating again.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that various modifications and adaptations thereof may occur to those skilled in the art without departing from the spirit and scope of the present invention.
Claims (8)
1. A pressurize progressive lubricating system, characterized in that: the electric cabinet is connected with the thin oil station and the main oil supply device, the main oil supply device is connected with a plurality of final-stage distributors, the electric cabinet is used for controlling the thin oil station to supply oil to the main oil supply device, the electric cabinet is also used for controlling the main oil supply device to distribute oil to the final-stage distributors, and the electric cabinet respectively controls the main oil supply devices to realize zone control.
2. The dwell progressive lubrication system of claim 1, wherein: the electric cabinet is a PLC controller and is used for writing in a PLC design program to control the lubricating system.
3. The dwell progressive lubrication system of claim 1, wherein: the thin oil station comprises an oil tank, an oil supply pump, a filter, an energy accumulator and a pressure controller, wherein the oil supply pump is used for pumping oil from the oil tank, the filter is used for filtering the oil pumped by the oil supply pump, the energy accumulator is used for conveying the oil to a system oil way when the oil supply pump stops working, and the pressure controller is used for controlling the oil pressure of the system oil way.
4. The dwell progressive lubrication system of claim 1, wherein: the main oil supply device comprises an electromagnetic valve, a proximity switch, a throttling valve and a main distributor, one end of the electromagnetic valve is connected with the electric control box, the other end of the electromagnetic valve is connected with the throttling valve, the other end of the throttling valve is connected with the main distributor, the main distributor is connected with a plurality of final-stage distributors, the main distributor is also connected with the proximity switch, the proximity switch is connected with the electric control box, and the proximity switch is used for feeding back the working condition of the main distributor to the electric control box to control the electromagnetic valve to supply oil.
5. The dwell progressive lubrication system of claim 1, wherein: and a proximity switch is arranged between the thin oil station and the main oil supply device and is connected with the electric cabinet, and the proximity switch is used for feeding back the working conditions of the thin oil station and the main oil supply device to the electric cabinet so that the electric cabinet controls the thin oil station to supply oil to the main oil supply device.
6. The dwell progressive lubrication system of claim 1, wherein: the final distributor is connected to the lubricating points of the respective operating devices.
7. A method of controlling a dwell progressive lubrication system including an electric cabinet, a lube station, a main oil supply, and a final distributor, the method comprising:
setting values of high oil supply pressure and low oil supply pressure for the pressure controller based on the electric control box, and starting an oil supply pump;
setting on-off interval time and counting times of electromagnetic valves of each main oil supply device based on an electric cabinet to form partition setting;
when oil enters the main distributor, the main distributor starts to work, and the oil is input to the final distributor and is conveyed to a lubricating point of the operating equipment by the final distributor.
8. The method of claim 7, further comprising, after said activating the feed pump:
oil enters a system pipeline and an energy accumulator;
when the oil pressure reaches the oil supply high pressure value, the oil supply pump stops working, and the energy accumulator supplements the oil supply amount;
when the oil pressure is reduced to the value of low oil supply pressure, the oil supply pump starts to work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911091489.7A CN110762376A (en) | 2019-11-10 | 2019-11-10 | Pressure-maintaining progressive lubricating system and control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911091489.7A CN110762376A (en) | 2019-11-10 | 2019-11-10 | Pressure-maintaining progressive lubricating system and control method thereof |
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| CN110762376A true CN110762376A (en) | 2020-02-07 |
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| CN201911091489.7A Pending CN110762376A (en) | 2019-11-10 | 2019-11-10 | Pressure-maintaining progressive lubricating system and control method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114754280A (en) * | 2022-03-09 | 2022-07-15 | 河钢乐亭钢铁有限公司 | Method for monitoring operation implementation of lubricating system and preventing faults |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114754280A (en) * | 2022-03-09 | 2022-07-15 | 河钢乐亭钢铁有限公司 | Method for monitoring operation implementation of lubricating system and preventing faults |
| CN114754280B (en) * | 2022-03-09 | 2023-10-31 | 河钢乐亭钢铁有限公司 | Method for monitoring and preventing faults during operation of lubricating system |
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Application publication date: 20200207 |