CN107917331A - Bearing lubrication system prior-warning device and emergency method - Google Patents
Bearing lubrication system prior-warning device and emergency method Download PDFInfo
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- CN107917331A CN107917331A CN201610876381.9A CN201610876381A CN107917331A CN 107917331 A CN107917331 A CN 107917331A CN 201610876381 A CN201610876381 A CN 201610876381A CN 107917331 A CN107917331 A CN 107917331A
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- oil
- bearing
- pipe
- warning device
- bearing block
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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
- 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
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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
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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
- F16N2210/00—Applications
- F16N2210/14—Bearings
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Abstract
The present invention relates to a kind of bearing lubrication system prior-warning device, it is characterized in that, the prior-warning device includes bearing block, bearing, oil level adjusting mechanism, bypass cooling body, flow sensor and temperature sensor, it is characterized in that, the oil level adjusting mechanism is installed on one side of roll bearing of rolling mill seat, the oil outlet of bearing block is connected by flexible tubing with the lower part oil inlet mouth of pipe of oil level adjusting mechanism, the fuel-displaced mouth of pipe in top of oil level adjusting mechanism is connected to oil return line by flexible tubing, and temperature sensor is provided with the bearing block.
Description
Technical field
The present invention relates to a kind of bearing lubrication system prior-warning device and emergency processing method, belongs to metallurgical cold rolling technology neck
Domain.
Background technology
Referring to Fig. 1, the Large Roller kind equipment such as milling train is widely used on modern metallurgical rolling mill production line, particularly milling train
Backing roll 1 largely equip, there are usage quantity is more, high-speed cruising, big load, continuously runs, the spy such as field working conditions are severe for it
Point.This installed in 2 inner bearing of back-up chock, 3 lubrication also to proposing requirements at the higher level, and roll bearing of rolling mill 3 is general at present
All over the thin oil lubricant cooling system using subregion centralization, it mainly rolls some of region by a Ge Zong lubrication statioies 6
Machine back-up roll bearing 3 carries out centralized lubrication.This centralized lubricating system generally include fuel tank 6-1, oil pump 6-2, heat exchanger 6-3,
Oil outlet pipe 6-4, oil return line 6-5 are formed.Oil outlet pipe 6-4 and oil return line 6-5 respectively with the oil inlet 4 on bearing block and
Oil outlet 5 is connected.There are following defect for existing centralized lubrication cooling system：1st, when different degrees of oil leak or stifled occurs in oil pipe line
During plug, roll bearing of rolling mill will be because that can not obtain effective lubrication, and bearing temperature will constantly raise deterioration, bearing is burnt
Damage.2nd, because the operating mode of this deterioration can not be detected in time and be alarmed, equipment fault expansion, production line stop be frequently can lead to.
3rd, when pump, heat exchanger failure occurs in hydraulic station, existing situation production line must shut down processing, influence producing line and normally produce.
Retrieve 201502854 U bearing oil cut-off protection devices of publication CN.The displosure technology skill to be solved
Art problem has similar part with this technology, but it is mainly produced by the improvement in bearing body structure and using rotor rotation
Raw pumping principle reach ought have a power failure suddenly or the lubricating oil of lubricating station fault can not injection bearing technical problem.The disclosure skill
The described device of art is entirely different with this technology in structure, while the disclosure technology application environment and operating mode and this technology are complete
It is complete different.
Retrieve the safety protection device of 104456034 A Diagnosing System for Oil Pump lubrication thin oil systems of publication CN.The public affairs
It is similar with this technology to open the technology technical issues that need to address, there are significantly different with this technology for it：1st, public technology only solves
Be that lubrication thin oil system the technical problem that accident interrupts fuel feeding occurs, and this technology not only solves hydraulic station accident, thin oil breaks
For problem, while it can also solve the problems, such as the different degrees of blocking of oil pipe, leakage.2nd, public technology is by setting the side of emergency oil tank
Method solves the problems, such as failure of oil feed, and the technological means gathered with this technology is entirely different.3rd, just because of above-mentioned difference, both institutes
Attainable technique effect is also entirely different.
Retrieve a kind of gear-box thin oil lubricant alarm control units of publication CN103968052 A.The technology is
Pressure sensor is installed at gear-box oil inlet, by gathering oil inlet thin oil loine pressure state indirect detection gear-box
Lubricating status, the output alarm signal when detected pressure value is not inconsistent with setting value.The disclosure technology technical issues that need to address
Similar to this technology, there are significantly different with this technology for it：1st, the displosure technology by the method for solution come indirect detection tooth case
Thin oil system operating condition, there are error for its detection accuracy.2nd, public technology can only export alarm stopping signal, can not meet an urgent need
Operating scheme.3rd, the operating condition of gear can not be directly monitored, it is limited to gear real protection effect.
The content of the invention
The present invention is exactly to be directed to technical problem existing in the prior art, there is provided a kind of bearing lubrication system prior-warning device,
The technical solution is compact-sized, simple, mainly solves existing cold rolling mill back-up roll bearing and is deposited under existing centralized lubricating system
Insufficient lubrication risk technical problem.
To achieve these goals, technical scheme is as follows, a kind of bearing lubrication system prior-warning device, its feature
It is, the prior-warning device includes bearing block, bearing, oil level adjusting mechanism, bypass cooling body, flow sensor and temperature
Sensor, it is characterised in that the oil level adjusting mechanism is installed on one side of roll bearing of rolling mill seat, the oil outlet of bearing block
It is connected by flexible tubing with the lower part oil inlet mouth of pipe of oil level adjusting mechanism, the fuel-displaced mouth of pipe in top of oil level adjusting mechanism passes through
Flexible tubing is connected to oil return line, and temperature sensor is provided with the bearing block.
As a modification of the present invention, the oil level adjusting mechanism include base, fixed cylinder, the oil inlet mouth of pipe, retracting cylinder,
Transverse arm, the fuel-displaced mouth of pipe, sealing ring, grating sensor (PH1), servomotor, screw and position sensor (S1), the bottom
Seat is installed on one side of roll bearing of rolling mill seat, and fixed cylinder is installed on by bolt in the side plate U-type groove of base, and its underpart leads to
Cross oil pipe to connect and draw the oil inlet mouth of pipe, retracting cylinder is sleeved in the cavity of fixed cylinder, and its upper part is sealed by transverse arm and by pipe
The fuel-displaced mouth of pipe is drawn in road connection, and servomotor is installed on the top end transverse member of base, and is connected by screw with retracting cylinder, is passed through
The rotation of servomotor can control upper and lower in fixed cylinder of retracting cylinder to vertically move；The fixed cylinder is two and passes through spiral shell
Bolt is symmetrically mounted on the inside of base biside plate, and two fixed cylinder lower parts are connected by oil pipe and draw the oil inlet mouth of pipe.The transverse arm
Middle part is connected by screw with servomotor.
As a modification of the present invention, the retracting cylinder is set in fixed cylinder inner wall for two, and stretch drum outer wall
On be provided with 2 ring type seals, to achieve the purpose that and fixed cylinder inner wall sealing.Two retracting cylinder tops are closed by transverse arm
Connection, top is connected by oil pipe and draws the fuel-displaced mouth of pipe.
As a modification of the present invention, grating sensor (PH1) is installed, the bottom of on the top oil pipe of the retracting cylinder
The position sensor (S1) of detection retracting cylinder real time position is installed on the top end transverse member of seat.
As a modification of the present invention, the base of the oil level adjusting mechanism is door type structure, is set on its biside plate
There are strip bolt mounting holes, servomotor and position sensor are installed on end carriage thereon.
As a modification of the present invention, the bypass cooling body is made of emergency pump, cooler, valve, wherein emergent
Pump is realized be connected with rolling mill bearing oil inlet and oil outlet respectively by valve and cooler.
As a modification of the present invention, the emergency pump uses plunger pump；Wherein on cooler outer circulation inlet pipeline
It is provided with electric control valve.Cooler outer circulation water can use fire water or condensed water according to backing roll operating condition.
The emergency method of bearing lubrication system prior-warning device, it is characterised in that specific rate-determining steps are as follows：1）Oil level is real-time
Adjust：Under normal circumstances, the shrink cylinder of the oil level adjusting mechanism by bearing block is arranged on lowest order, by controlling servo
Motor makes grating sensor（PH1）The fuel-displaced mouth of pipe on detection retracting cylinder top is located at the 1/ of bearing block oil outlet and oil inlet spacing
4 height and positions；When flow sensor (F1) detect concentrate oil lubricating system flow into thin oil flow in bearing block with it is normal
Amount is not inconsistent and flow deviation Δ F be more than 5%, PLC will output alarm signal, while PLC can be according to the size control of flow deviation value
Servomotor on the adjusting mechanism of liquefaction position is rotated is promoted to setting height by the fuel-displaced mouth of pipe of retracting cylinder, so that abnormal conditions
Thin oil liquid level can maintain suitable position in step.Wherein, Δ F=（The actually detected flows of F normal operating flux value-F
Value）/ F normal operating flux values, the adjusting of retracting cylinder 7-4 highly pass through position sensor（S1）Detect this feedback；
2）Temperature is adjusted in real time：After concentrating the thin oil flow flowed into oil lubricating system in bearing block exception occur, first
Performing the real-time regulating step of above-mentioned oil level makes the flowline open height of retracting cylinder reach bearing block oil outlet and oil inlet spacing
4/5 height and position when, if this moment temperature sensing (T1) detection bearing temperature beyond normal range (NR) and temperature deviation Δ T it is big
In 3%, PLC will output alarm signal, while PL control close electrically operated valve（V1）, open electrically operated valve（V2）, open emergent
Pump carries out bearing emergent circulating cooling, and adjusts cooler outer circulation inlet regulating valve (V3) in real time according to bearing temperature rise situation
Opening degree maintains back-up roll bearing temperature in range of normal value.Wherein, Δ T=（T normal operating temperature values-F is actually detected
Temperature value）/ F normal operating flux values.
Relative to the prior art, the invention has the advantages that, 1）The Technical Design is ingenious, compact-sized；2）Should
Device can monitor the failure of pump and pipe of bearing block concentration oil lubricating system in real time by the flow sensor on pipeline
The abnormal conditions such as the different degrees of oil leak in road, blocking, and lubricating system abnormal alarm information is exported by PLC；3）The device temperature
Degree sensor monitors bearing operation real-world temperature in real time, can export bearing temperature anomaly warning message by PLC；4）Work as axis
After bearing concentrates oil lubricating system abnormal conditions occur, this technology, can be quickly through thin oil while warning message is exported
Oil level adjusting mechanism and bypass cooling body realize lubrication and the cooling to bearing；5）The technical solution uses thin oil oil level and temperature
The two close cycles adjustment control of degree, can reach the real-time monitoring of bearing temperature, auto-control, ensure back-up roll bearing in exterior thin oil
Reliability service under lubricating system abnormal conditions, avoids bearing damage and production line stop, and the apparatus structure is simple, installation side
Just, reliable in action, set of device can realize the lubrication protection to multiple important bearings at the same time.
Brief description of the drawings
Fig. 1, existing back-up chock oil lubricating system schematic diagram；
Device application schematic diagram described by Fig. 2, this technology；
Oil level adjusting mechanism structure diagram described by Fig. 3, this technology；
Method control block diagram described by Fig. 4, this technology；
Method control flow chart described by Fig. 5, this technology；
In figure：1- backing rolls, 2- bearing blocks, 3- bearings, 4- oil inlets, 5- oil outlets, 6- hydraulic stations, 6-1- fuel tanks, 6-2-
Oil pump, 6-3- heat exchangers, 6-4- oil outlet pipe, 6-5- oil return lines, 7- oil level adjusting mechanisms, 7-1- bases, 7-2- fixed cylinders,
The 7-3- oil inlet mouths of pipe, 7-4- retracting cylinders, 7-5- transverse arms, the fuel-displaced mouths of pipe of 7-6-, 7-7- sealing rings, 7-8- grating sensors (PH1),
7-9- servomotors, 7-10- screws, 7-11- position sensors (S1), 8- bypass cooling bodies, 8-1- emergency pumps, 8-2- coolings
Device, 8-3- motor-driven valves（V2）, 8-4- regulating valves (V3), 9- flow sensors（F1）, 10- motor-driven valves (V1), 11- temperature sensors
(T1), 12- flow sensors (F2).
Embodiment：
In order to deepen the understanding of the present invention, the present embodiment is described in detail below in conjunction with the accompanying drawings.
Embodiment 1：Referring to Fig. 2,3, a kind of bearing lubrication system prior-warning device, the prior-warning device includes bearing block 2, axis
Hold 4, oil level adjusting mechanism 7, bypass cooling body 8, flow sensor 12 and temperature sensor 11, the oil level adjusting mechanism
Installed in one side of roll bearing of rolling mill seat, the oil outlet of bearing block by the lower part of flexible tubing and oil level adjusting mechanism into
Oil pipe mouth is connected, and the fuel-displaced mouth of pipe in top of oil level adjusting mechanism is connected to oil return line, the bearing block by flexible tubing
On be provided with temperature sensor；The oil level adjusting mechanism 7 includes base 7-1, fixed cylinder 7-2,7-3- the oil inlet mouth of pipe, retracting cylinder
The fuel-displaced mouth of pipe of 7-4, transverse arm 7-5,7-6-, sealing ring 7-7, grating sensor 7-8 (PH1), servomotor 7-9, screw 7-10 with
And 7-11- position sensors (S1), the base 7-1 are installed on one side of roll bearing of rolling mill seat 2, fixed cylinder 7-2 passes through
In the side plate U-type groove of base 7-1, its underpart is connected and draws oil inlet mouth of pipe 7-3, retracting cylinder 7-4 bolt by oil pipe
It is sleeved in the cavity of fixed cylinder 7-2, its upper part is sealed by transverse arm 7-5 and draws fuel-displaced mouth of pipe 7-6, servo by pipeline connection
Motor 7-9 is connected on the top end transverse member of base 7-1 by screw 7-10 with retracting cylinder 7-4, passes through servomotor 7-
9 rotation can control upper and lower in fixed cylinder of retracting cylinder 7-4 to vertically move；The fixed cylinder is two and passes through bolt pair
Claim to be installed on the inside of base biside plate, two fixed cylinder lower parts are connected by oil pipe and draw the oil inlet mouth of pipe.Among the transverse arm
Position is connected by screw with servomotor.
Embodiment 2：Referring to Fig. 2,3, as a modification of the present invention, the retracting cylinder is set in fixation for two
Cylinder inner wall, is provided with 2 ring type seal 7-7 on retracting cylinder 7-4 outer walls, to reach the mesh with fixed cylinder 7-2 inner wall sealings
's.By transverse arm airtight connection, top is connected by oil pipe and draws the fuel-displaced mouth of pipe on two retracting cylinder tops.Remaining structure and excellent
Point is identical with embodiment 1
Embodiment 3：Referring to Fig. 2,3, as a modification of the present invention, light is installed on the top oil pipe of the retracting cylinder 7-4
Gate sensor (PH1) 7-8, is provided with the position sensor of detection retracting cylinder 7-4 real time positions on the top end transverse member of base 7-1
(S1)7-11.Remaining structure and advantage are identical with embodiment 1
Embodiment 4：Referring to Fig. 2,3, as a modification of the present invention, the base 7-1 of the oil level adjusting mechanism is gate knot
Structure, is provided with strip bolt mounting holes on its biside plate, is provided with servomotor and position sensor on end carriage thereon.Remaining
Structure and advantage are identical with embodiment 1
Embodiment 5：Referring to Fig. 2,3, as a modification of the present invention, bypass cooling body 8 is installed on bearing block 2 and oil level tune
Between saving mechanism 7, it is made of emergency pump 8-1, cooler 8-2, motor-driven valve (V2) 8-3.Emergency pump 8-1 passes through motor-driven valve 8-3（I）
It is connected respectively with the flow sensor (F2) 12 at 2 oil inlet 4 of bearing block and oil outlet 5 with cooler 8-2.Outside cooler 8-2
Circulation water inlet can use fire water or condensed water according to 1 operating condition of backing roll, and electric control valve is provided with its inlet pipeline
（V3）8-4.The emergency pump uses plunger pump；Wherein electric control valve is provided with cooler outer circulation inlet pipeline.Cooling
Device outer circulation water can use fire water or condensed water according to backing roll operating condition.Remaining structure and advantage and embodiment 1 are complete
It is identical.
Operation principle：Referring to Fig. 2-Fig. 5, which gathers roll bearing of rolling mill lubricating pipe
Flow and bearing axle body temperature signal, then realized by PLC to thin oil oil level in back-up chock and the two close cycles of temperature
Adjust, to reach the real-time monitoring of bearing temperature, auto-control, ensure bearing under exterior oil lubricating system abnormal conditions
Reliability service, specific rate-determining steps are as follows：1）Oil level is adjusted in real time：Under normal circumstances, the oil level by bearing block is adjusted
The shrink cylinder of mechanism is arranged on lowest order, makes the flowline saliva prosposition on retracting cylinder top setting in bearing block oil outlet and oil inlet
1/4 height and position of mouth spacing, concentrates oil lubricating system to flow into the thin oil flow in bearing block when flow sensor detects
Be not inconsistent with normal amount and flow deviation Δ F be more than 5%, PLC will output alarm signal, while can be according to the big of flow deviation value
Servomotor on small control oil level adjusting mechanism is rotated is promoted to setting height by the fuel-displaced mouth of pipe of retracting cylinder, so that abnormal
Thin oil liquid level can maintain suitable position in situation step.Wherein, Δ F=（F normally sets the actually detected streams of flow value-F
Value）/ F normally sets flow value.
2）Temperature is adjusted in real time：After concentrating the thin oil flow flowed into oil lubricating system in bearing block exception occur,
The real-time regulating step of oil level, which is first carried out, makes the flowline open height of retracting cylinder reach bearing block oil outlet and oil inlet spacing
4/5 height and position when, if this moment temperature sensing (T1) detection bearing temperature beyond normal range (NR) and temperature deviation Δ T it is big
In 3%, PLC will output alarm signal, while PL control close electrically operated valve（V1）, open electrically operated valve（V2）, start emergent
Pump carries out bearing emergent circulating cooling.And cooler outer circulation inlet regulating valve (V3) is adjusted according to bearing temperature rise situation in real time
Opening degree maintains back-up roll bearing temperature in range of normal value.Wherein, Δ T=（T normal operating temperature values-F is actually detected
Temperature value）/ F normal operating flux values.
The present invention at least one in embodiment 2,3,4,5 technical characteristics can also be combined with embodiment 1 to be formed it is new
Embodiment.
It should be noted that above-described embodiment, is not used for limiting protection scope of the present invention, in above-mentioned technical proposal
On the basis of made equivalents or replacement each fall within the scope that the claims in the present invention are protected.
Claims (8)
1. a kind of bearing lubrication system prior-warning device, it is characterised in that the prior-warning device includes bearing block, bearing, oil level tune
Save mechanism, bypass cooling body, flow sensor and temperature sensor, it is characterised in that the oil level adjusting mechanism installation
In one side of back-up chock, lower part oil inlet mouth of pipe phase that the oil outlet of bearing block passes through flexible tubing and oil level adjusting mechanism
Connection, the fuel-displaced mouth of pipe in top of oil level adjusting mechanism are connected to oil return line by flexible tubing, are provided with the bearing block
Temperature sensor.
2. bearing lubrication system prior-warning device according to claim 1, it is characterised in that the oil level adjusting mechanism includes
Base, fixed cylinder, retracting cylinder, transverse arm, servomotor, screw and position sensor (S1), the floor installation is in milling train branch
One side of runner bearing block, fixed cylinder are installed on by bolt in the side plate U-type groove of base, and its underpart is connected and drawn by oil pipe
Go out the oil inlet mouth of pipe, retracting cylinder is sleeved in the cavity of fixed cylinder, and its upper part is sealed by transverse arm and drawn by pipeline connection fuel-displaced
The mouth of pipe, servomotor is installed on the top end transverse member of base, and is connected by screw with retracting cylinder, passes through the rotation of servomotor
Upper and lower in fixed cylinder of retracting cylinder can be controlled to vertically move.
3. bearing lubrication system prior-warning device according to claim 1, it is characterised in that set on the flexible drum outer wall
There are 2 ring type seals, to achieve the purpose that and fixed cylinder inner wall sealing.
4. the bearing lubrication system prior-warning device according to Claims 2 or 3, it is characterised in that the top of the retracting cylinder
Grating sensor (PH1) is installed, the position that detection retracting cylinder real time position is provided with the top end transverse member of base passes on oil pipe
Sensor (S1).
5. bearing lubrication system prior-warning device according to claim 4, it is characterised in that the bottom of the oil level adjusting mechanism
Seat is door type structure, is provided with strip bolt mounting holes on its biside plate, is provided with servomotor and position on end carriage thereon
Sensor.
6. bearing lubrication system prior-warning device according to claim 5, it is characterised in that the bypass cooling body is by answering
Anxious pump, cooler, valve composition, wherein emergency pump are realized and rolling mill bearing oil inlet and fuel-displaced respectively by valve and cooler
Mouth connection.
7. bearing lubrication system prior-warning device according to claim 6, it is characterised in that the emergency pump uses plunger
Pump, is wherein provided with electric control valve on cooler outer circulation inlet pipeline.
8. the emergency method of bearing lubrication system prior-warning device, it is characterised in that specific rate-determining steps are as follows：1）Oil level is adjusted in real time
Section：Under normal circumstances, the shrink cylinder of the oil level adjusting mechanism by bearing block is arranged on lowest order, by controlling servo electric
Machine makes grating sensor（PH1）The fuel-displaced mouth of pipe on detection retracting cylinder top is located at the 1/4 of bearing block oil outlet and oil inlet spacing
Height and position；Oil lubricating system is concentrated to flow into thin oil flow and normal amount in bearing block when flow sensor (F1) detects
Be not inconsistent and flow deviation Δ F be more than 5%, PLC will output alarm signal, while PLC can be controlled according to the size of flow deviation value
Servomotor on oil level adjusting mechanism is rotated is promoted to setting height by the fuel-displaced mouth of pipe of retracting cylinder, so that under abnormal conditions
Thin oil liquid level can maintain suitable position in bearing block；
Wherein, Δ F=（The actually detected flow values of F normal operating flux value-F）/ F normal operating flux values, the tune of retracting cylinder 7-4
Section height passes through position sensor（S1）Detect this feedback；
2）Temperature is adjusted in real time：After concentrating the thin oil flow flowed into oil lubricating system in bearing block exception occur, first
Performing the real-time regulating step of above-mentioned oil level makes the flowline open height of retracting cylinder reach bearing block oil outlet and oil inlet spacing
4/5 height and position when, if this moment temperature sensing (T1) detection bearing temperature beyond normal range (NR) and temperature deviation Δ T it is big
In 3%, PLC will output alarm signal, while PL control close electrically operated valve（V1）, open electrically operated valve（V2）, open emergent
Pump carries out bearing emergent circulating cooling, and adjusts cooler outer circulation inlet regulating valve (V3) in real time according to bearing temperature rise situation
Opening degree maintains back-up roll bearing temperature in range of normal value；
Wherein, Δ T=（T normal operating temperature value-F measured temperature values）/ F normal operating flux values.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610876381.9A CN107917331B (en) | 2016-10-09 | 2016-10-09 | Early warning device and emergency method for bearing lubrication system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610876381.9A CN107917331B (en) | 2016-10-09 | 2016-10-09 | Early warning device and emergency method for bearing lubrication system |
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| Publication Number | Publication Date |
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| CN107917331A true CN107917331A (en) | 2018-04-17 |
| CN107917331B CN107917331B (en) | 2020-02-21 |
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| CN201610876381.9A Active CN107917331B (en) | 2016-10-09 | 2016-10-09 | Early warning device and emergency method for bearing lubrication system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113237658A (en) * | 2021-04-21 | 2021-08-10 | 浙江工业大学 | Temperature fault monitoring and early warning method for stage motor bearing |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113237658A (en) * | 2021-04-21 | 2021-08-10 | 浙江工业大学 | Temperature fault monitoring and early warning method for stage motor bearing |
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| Publication number | Publication date |
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| CN107917331B (en) | 2020-02-21 |
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