CN108518576A - A kind of heavy loading machinery equipment lubricating system oil cut-off protection device and guard method - Google Patents
A kind of heavy loading machinery equipment lubricating system oil cut-off protection device and guard method Download PDFInfo
- Publication number
- CN108518576A CN108518576A CN201810490914.9A CN201810490914A CN108518576A CN 108518576 A CN108518576 A CN 108518576A CN 201810490914 A CN201810490914 A CN 201810490914A CN 108518576 A CN108518576 A CN 108518576A
- Authority
- CN
- China
- Prior art keywords
- oil
- flowmeter
- machinery equipment
- heavy loading
- loading machinery
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000001050 lubricating effect Effects 0.000 title claims abstract description 21
- 239000010729 system oil Substances 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 title claims abstract description 12
- 239000003921 oil Substances 0.000 claims abstract description 71
- 239000010687 lubricating oil Substances 0.000 claims abstract description 9
- 238000005461 lubrication Methods 0.000 claims description 16
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000000446 fuel Substances 0.000 abstract description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000002828 fuel tank Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 235000003642 hunger Nutrition 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000037351 starvation Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
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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
-
- 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
- F16N29/04—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 enabling a warning to be given; enabling moving parts to be stopped
-
- 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
- F16P—SAFETY DEVICES IN GENERAL; SAFETY DEVICES FOR PRESSES
- F16P7/00—Emergency devices preventing damage to a machine or apparatus
- F16P7/02—Emergency devices preventing damage to a machine or apparatus by causing the machine to stop on the occurrence of dangerous conditions therein
-
- 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
- F16N2210/00—Applications
- F16N2210/14—Bearings
-
- 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
-
- 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
- F16N2260/05—Oil flow
-
- 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
- F16N2260/12—Indicating using warning lamps
-
- 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
- F16N2260/14—Indicating using sound
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Auxiliary Devices For Machine Tools (AREA)
Abstract
The invention discloses a kind of heavy loading machinery equipment lubricating system oil cut-off protection device and guard methods, belong to mine mechanism field.The device includes oil pump, which connects pressure controller by oil pipe, and pressure controller is connected by oil pipe via first flowmeter and second flowmeter and the first bearing and second bearing of heavy loading machinery equipment respectively；Pressure controller, first flowmeter and second flowmeter are electrically connected by conducting wire with PLC controller respectively, and PLC controller is electrically connected programable display, audible-visual annunciator and relay by conducting wire respectively.The device is used as the whether normal foundation of lubricating oil fuel feeding by spinner flowmeter flow; and protection act in oil mass exception alarm and is carried out by PLC control program; the generation of bearing shell accident is caused so as to avoid heavy loading machinery equipment bearing oil-break; on the basis of effective guarantee heavy loading machinery equipment operational safety performance; the automatization level for improving its control system reduces production run cost.
Description
Technical field
The invention belongs to mine mechanism field, specifically a kind of heavy loading machinery equipment lubricating system oil cut-off protection device
And the method using system progress oil cutting-off protection.
Background technology
Lubricating oil is the important cooling and lubricating medium of large-scale heavy duty mechanical equipment, most important to the safe operation of equipment.
By ore dressing capital equipment --- for ball mill：Oil storage pool can not be arranged in the lubricating place of the forward and backward bearing of ball mill, can only use
The lubrication oil circulation lubrication of oil pump supply.Lubrication station system is the equipment " heart ", and the size of flow of lubrication directly reflects
The working condition of petrol station.In general, lubrication station is followed by 1 high-pressure fuel supply system, 1 low-pressure oil supply system and 1 low pressure
Ring cooling system forms.Its operation principle is to drive oil pump to be transported to the fluid in fuel tank by pipe-line system using motor
Then bearing flows back to fuel tank by oil return line, filter, to realize the purpose of lubrication, cooling.In design ball mill lubrication
When system, oil pump and the circuit system of control operating carry out electric interlock by pressure transmitter in lubrication station, i.e., when pressure becomes
Ball mill shuts down when sending the pressure of device less than setting pressure, but often appearance is a kind of existing in this way in practical work process
As：When oil pump works normally, since oil feed line blocking or control valve malfunction, oil mass reduction or oil-free in bearing shell, but it is aobvious
The oil pressure shown will not only reduce to be risen instead；Or there is some bearing oil starvation and the excessive feelings of another bearing flow
Condition, but from pressure gauge show from the point of view of oil pressure it is normal, lubricating system run well.Therefore, in this kind of lubricating system monitoring process
Loss of vital data situation can cause ball grinder bush burning damage accident, and then lead to stop work and production and entire production system product matter
The unusual fluctuations of amount.
Invention content
The problem of the purpose of the present invention is to solve above-mentioned prior arts provides a kind of safe and reliable, succinct
Effectively, the heavy loading machinery equipment lubricating system oil cut-off protection device automatically controlled can be achieved.
It is another object of the invention to provide a kind of methods carrying out oil cutting-off protection using above system.
The purpose of the present invention is what is be achieved through the following technical solutions：A kind of heavy loading machinery equipment lubricating system oil cutting-off protection
Device, including oil pump, the oil pump connect pressure controller by oil pipe, and pressure controller is respectively by oil pipe via first flow
Meter and second flowmeter and the first bearing and second bearing of heavy loading machinery equipment connect；Pressure controller, first flowmeter and
Second flowmeter is electrically connected by conducting wire with PLC controller respectively, and PLC controller is electrically connected programmable display by conducting wire respectively
Device, audible-visual annunciator and relay.
Wherein, above-mentioned first flowmeter and second flowmeter are spinner flowmeter, simple in structure, the pressure loss is small,
Convenient for accurately measuring the oil stream flow flowed through from bottom to top in capwise oil pipe of the present invention.
Oil pump includes the first oil pump and the second oil pump, and the first oil pump and the second oil pump pass through oil pipe and pressure controller respectively
It is connected, the first oil pump and the second oil pump is spare each other and pressure compensation.
The present invention using above system carry out heavy loading machinery equipment lubricating system oil cutting-off protection method be：According to heavily loaded machine
Tool equipment operation parameter request and lubricating oil station oil mass circulatory condition, heavy loading machinery equipment is set separately by programable display
The warning value and lower limiting value of first bearing and second bearing flow of lubrication work out the flow of lubrication control journey of PLC controller
Sequence：On the basis of oil pump oil pressure meets service condition, when flow of lubrication is less than warning value, PLC controller exports oil mass
Guard against alarm signal, audible-visual annunciator interruption alarm；If flow is less than lower limiting value, PLC controller is defeated by what is be provided with
Go out lubricating oil oil-break alarm signal, and cutoff command, audible-visual annunciator long time of alarm are sent out to relay, relay passes through control
Engine makes heavy loading machinery equipment execute parking operation.
The oil cut-off protection device of the present invention, which is used as by spinner flowmeter flow in heavy loading machinery equipment operation process, to be lubricated
The whether normal final foundation of oily fuel feeding, and by PLC control program in heavy loading machinery equipment operation process when oil mass exception
It alarms and carries out protection act, it is ensured that heavy loading machinery equipment lubricating system protects safety and stability reliable, to avoid heavy-duty machinery
Equipment bearing oil-break causes the generation of bearing shell burnout failure, on the basis of effective guarantee heavy loading machinery equipment operational safety performance
On, the automatization level of its control system is improved, production run cost is reduced.The lubricating system oil cutting-off protection dress of the present invention
Set has the relevant parameters such as pumped (conveying) medium pressure or flow the large-scale heavy duty mechanical equipment lubricating oil that definite value requires suitable for all
In the control of oil cutting-off protection.
Description of the drawings
Fig. 1 is the structural schematic diagram of ball mill lubricating system oil cut-off protection device in embodiment of the present invention；
Fig. 2 is the schematic diagram of ball mill lubricating system oil cutting-off protection method of the present invention；
Reference numeral：1, the first oil pump；2, the second oil pump；3, pressure controller；4, first flowmeter；5, second flowmeter；6、
PLC controller；7, programable display；8, audible-visual annunciator；8, oil pipe；10, conducting wire；11 first bearings；12, second bearing；
13, relay.
Specific implementation mode
Below by taking ball mill as an example, in conjunction with attached drawing to the present invention heavy loading machinery equipment lubricating system oil cut-off protection device and
Guard method is described in further detail.
As shown in Figs. 1-2, a kind of ball mill lubricating system oil cut-off protection device, including it is spare each other and pressure compensated
One oil pump 1 and the second oil pump 2, the first oil pump 1 and the second oil pump 2 are connected by oil pipe 8 with pressure controller 3 respectively, pressure
Controller 3 is respectively by oil pipe 8 via the first bearing 11 and the second axis of first flowmeter 4 and second flowmeter 5 and ball mill
Hold 12 connections；Pressure controller 3, first flowmeter 4 and second flowmeter 5 are electrically connected by conducting wire 10 and PLC controller 6 respectively
It connects, PLC controller 6 is electrically connected programable display 7, audible-visual annunciator 8 and relay 13 by conducting wire 10 respectively；Above-mentioned first
Flowmeter 4 and second flowmeter 5 are spinner flowmeter.
In use, according to the requirement of ball mill operating parameters and lubricating oil station oil mass circulatory condition, pass through programable display 7
The warning value of ball mill or so bearing oil flow is set as 3500 mL/h, lower limiting value is 2800 mL/h；First oil pump 1 or
Second oil pump, 2 normal operation detects oil pressure, if P ＜ 0.1MP, after PLC controller 6 receives the signal by pressure controller 3
Cutoff command is sent out, ball mill shuts down；If when P >=0.1MP, ball mill runs well.When first flowmeter 4 or second
When the flow value of gauge 5 is greater than or equal to warning value, ball mill runs well；When the stream of first flowmeter 4 or second flowmeter 5
When magnitude is less than warning value, PLC controller 6 exports oil mass and guards against alarm signal, and the alarm of 8 discontinuity of audible-visual annunciator may be programmed
Display 7 flickers display alarm information：It is " left（It is right）Bearing lubrication oil stream amount is relatively low, please adjust！”；When first flowmeter 4 or the
When the flow value of two flowmeters 5 is less than lower limiting value, PLC controller 6 exports lubricating oil oil-break alarm signal, and sends out relay 13
Go out cutoff command, 8 long time of alarm of audible-visual annunciator, relay 13 makes ball mill execute parking operation by controlling engine, can
Programming display 7 flickers display alarm information：It is " left（It is right）Bearing lubrication oil stream amount is less than lower limiting value, has stopped！”.
Claims (4)
1. a kind of heavy loading machinery equipment lubricating system oil cut-off protection device, including oil pump, it is characterised in that：The oil pump passes through oil
Pipe connects pressure controller, and pressure controller is set via first flowmeter and second flowmeter with heavy-duty machinery by oil pipe respectively
Standby first bearing is connected with second bearing；The pressure controller, first flowmeter and second flowmeter pass through conducting wire respectively
It is electrically connected with PLC controller, PLC controller is electrically connected programable display, audible-visual annunciator and relay by conducting wire respectively.
2. a kind of heavy loading machinery equipment lubricating system oil cut-off protection device as described in claim 1, it is characterised in that：Described
Flow meters and second flowmeter are spinner flowmeter.
3. a kind of heavy loading machinery equipment lubricating system oil cut-off protection device as claimed in claim 1 or 2, it is characterised in that：Institute
It includes the first oil pump and the second oil pump to state oil pump, and the first oil pump and the second oil pump are connected by oil pipe with pressure controller respectively
It connects.
4. carrying out the side of heavy loading machinery equipment lubricating system oil cutting-off protection using device as described in any one of claims 1-3
Method, it is characterised in that：According to the requirement of heavy loading machinery equipment operating parameters and lubricating oil station oil mass circulatory condition, by programmable aobvious
Show the warning value and lower limiting value of device setting heavy loading machinery equipment first bearing and second bearing flow of lubrication, establishment PLC controls
The flow of lubrication of device controls program：On the basis of oil pump oil pressure meets service condition, when flow of lubrication is less than warning value
When, PLC controller exports oil mass and guards against alarm signal, audible-visual annunciator interruption alarm；If flow is less than lower limiting value, PLC controls
Device processed exports lubricating oil oil-break alarm signal, and sends out cutoff command, audible-visual annunciator long time of alarm to relay, and relay leads to
Crossing control engine makes heavy loading machinery equipment execute parking operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810490914.9A CN108518576B (en) | 2018-05-21 | 2018-05-21 | Oil-break protection device and protection method for lubrication system of heavy-duty mechanical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810490914.9A CN108518576B (en) | 2018-05-21 | 2018-05-21 | Oil-break protection device and protection method for lubrication system of heavy-duty mechanical equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108518576A true CN108518576A (en) | 2018-09-11 |
| CN108518576B CN108518576B (en) | 2023-08-25 |
Family
ID=63426620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810490914.9A Active CN108518576B (en) | 2018-05-21 | 2018-05-21 | Oil-break protection device and protection method for lubrication system of heavy-duty mechanical equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108518576B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111188983A (en) * | 2020-03-25 | 2020-05-22 | 云南华联锌铟股份有限公司 | Safety interlocking device of air blower |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000042795A (en) * | 1998-07-30 | 2000-02-15 | Amada Co Ltd | Hydraulic press |
| CN201209531Y (en) * | 2008-04-25 | 2009-03-18 | 济南重工股份有限公司 | Electric control system for high and low voltage thin oil station |
| CN201496748U (en) * | 2009-08-26 | 2010-06-02 | 飞翼集团有限公司 | Intelligent control system of lubricating oil station |
| CN202012377U (en) * | 2011-04-06 | 2011-10-19 | 宁波宝虹信息技术有限公司 | Fault monitoring device for lubricating pipeline |
| CN102698862A (en) * | 2012-05-31 | 2012-10-03 | 中冶南方工程技术有限公司 | Lubricating protection control method for powder preparation intermediate-speed mill of blast furnace |
| CN203686083U (en) * | 2013-12-23 | 2014-07-02 | 西安睿通冶金科技有限公司 | Lubricating automatic protection system for pelletizer transmission system |
| CN203731068U (en) * | 2013-12-24 | 2014-07-23 | 济南重工股份有限公司 | Lubrication oil station with accurate oil supply state warning function |
| CN204083756U (en) * | 2014-09-10 | 2015-01-07 | 河北钢铁股份有限公司邯郸分公司 | A kind of disk feeder pressure lubrication detection alarm stopping device |
| CN208348922U (en) * | 2018-05-21 | 2019-01-08 | 金川集团股份有限公司 | A kind of heavy loading machinery equipment lubricating system oil cut-off protection device |
-
2018
- 2018-05-21 CN CN201810490914.9A patent/CN108518576B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000042795A (en) * | 1998-07-30 | 2000-02-15 | Amada Co Ltd | Hydraulic press |
| CN201209531Y (en) * | 2008-04-25 | 2009-03-18 | 济南重工股份有限公司 | Electric control system for high and low voltage thin oil station |
| CN201496748U (en) * | 2009-08-26 | 2010-06-02 | 飞翼集团有限公司 | Intelligent control system of lubricating oil station |
| CN202012377U (en) * | 2011-04-06 | 2011-10-19 | 宁波宝虹信息技术有限公司 | Fault monitoring device for lubricating pipeline |
| CN102698862A (en) * | 2012-05-31 | 2012-10-03 | 中冶南方工程技术有限公司 | Lubricating protection control method for powder preparation intermediate-speed mill of blast furnace |
| CN203686083U (en) * | 2013-12-23 | 2014-07-02 | 西安睿通冶金科技有限公司 | Lubricating automatic protection system for pelletizer transmission system |
| CN203731068U (en) * | 2013-12-24 | 2014-07-23 | 济南重工股份有限公司 | Lubrication oil station with accurate oil supply state warning function |
| CN204083756U (en) * | 2014-09-10 | 2015-01-07 | 河北钢铁股份有限公司邯郸分公司 | A kind of disk feeder pressure lubrication detection alarm stopping device |
| CN208348922U (en) * | 2018-05-21 | 2019-01-08 | 金川集团股份有限公司 | A kind of heavy loading machinery equipment lubricating system oil cut-off protection device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111188983A (en) * | 2020-03-25 | 2020-05-22 | 云南华联锌铟股份有限公司 | Safety interlocking device of air blower |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108518576B (en) | 2023-08-25 |
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| PB01 | Publication | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20240223 Address after: 737100 No. 2 Lanzhou Road, Beijing Road Street, Jinchuan District, Jinchang City, Gansu Province Patentee after: Jinchuan Group Nickel Cobalt Co.,Ltd. Country or region after: China Address before: 737103 No. 98, Jinchuan Road, Jinchang, Gansu Patentee before: JINCHUAN GROUP Co.,Ltd. Country or region before: China |
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