CN202683613U - Oil starvation alarming system of cold rolling mill roller system - Google Patents
Oil starvation alarming system of cold rolling mill roller system Download PDFInfo
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- CN202683613U CN202683613U CN 201220282041 CN201220282041U CN202683613U CN 202683613 U CN202683613 U CN 202683613U CN 201220282041 CN201220282041 CN 201220282041 CN 201220282041 U CN201220282041 U CN 201220282041U CN 202683613 U CN202683613 U CN 202683613U
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- rolling mill
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Abstract
An oil starvation alarming system of a cold rolling mill roller system comprises a machine body memorial arch and an oil inlet pipe, wherein a plurality of bearings are arranged on the machine body memorial arch; an oil inlet and an oil outlet are arranged on each bearing; one end of each oil inlet pipe is connected to each oil inlet; the other end of each oil inlet pipe is connected with an oil pump; the oil starvation alarming system also comprises a first flow detection device and an alarming device; the oil outlet is connected with the first flow detection device; the alarming device gives an alarm when the condition that the flow is lower than a set value is detected by the first flow detection device; and the first flow detection device is arranged at the oil outlet, the quantity of oil flowing through the bearing can be accurately measured, and the bearings can be prevented from being burnt out.
Description
Technical field
The utility model belongs to the cold-rolling mill technical field, and especially relating to a kind of cold-rolling mill roller is the oil starvation warning system.
Background technology
Cold-rolling mill bears heavy duty at work, so the bearing of roller must keep good lubricated and radiating condition, and this just needs to inject oil gas or fluid in bearing, guarantees the lubricity of bearing and simultaneously with the heat in the bearing running.If oil gas or fluid can not enter in the bearing of cold-rolling mill roller by scalar in accordance with regulations, can cause roller is burn-out of bearing, gently then loses more than ten ten thousand, heavyly then loses more than 20 ten thousand.
Therefore, people generally take at the oil gas of cold-rolling mill or fluid input flow detector to be installed, detect the amount of oil pump output oil gas or fluid, when in case the amount of oil pump output oil gas or fluid is lower than setting value, just give the alarm and remind operating personnel to operate the work that the reduction of speed control stick stops cold-rolling mill, or be directly passed to PLC, stop by PLC control cold-rolling mill.Referring to Fig. 1, disclose a kind of cold-rolling mill roller oil starvation warning system among Fig. 1, comprised cold-rolling mill memorial archway 1, be provided with a plurality of bearings 11 in the described memorial archway 1, be provided with oil-in 1a and oil-out 1b on the described bearing 11, oil inlet pipe 2 is received on the oil-in 1a after by a second amount detecting device 3.Fluid enters in the bearing 11 after flowing into oil-in 1a, the heat that lubricating bearings produces with bearing running simultaneously.Second amount detecting device 3 can detect the amount of the fluid of oil pump output, when the amount of the fluid of oil pump output is lower than when a certain amount of, just signals to PLC, quits work by PLC control cold-rolling mill reduction of speed.
Adopt after this precautionary measures, or the situation that burn-out of bearing can occur, its reason mainly be the second amount detecting device detect obtain the time oil pump output the amount of fluid, occurring in the situation of leaking, be less than the amount of oil pump output fluid during the amount of the fluid that bearing directly can utilize, reach standard even the second amount detecting device detects the flow that obtains, the amount of the fluid that bearing directly can utilize might not reach the scalar of regulation yet.In that bearing seal is tight or the oil connection connection is not in place, all can occur leaking, therefore be necessary to be improved.
Summary of the invention
The utility model is for deficiency of the prior art, and it is the oil starvation warning system that a kind of cold-rolling mill roller is provided, and can prevent effectively that back-up roll bearing from burning.
In order to solve the problems of the technologies described above, the utility model is solved by following technical proposals: cold-rolling mill roller is the oil starvation warning system, comprise body memorial archway and oil inlet pipe, be provided with a plurality of bearings on the described body memorial archway, be provided with oil-in and oil-out on the described bearing, oil inlet pipe one terminates on the oil-in, the oil inlet pipe other end links to each other with oil pump, also comprise first flow checkout gear and warning device, described oil-out is connected with described first flow checkout gear, be lower than when setting value when described first flow checkout gear detects flow, described warning device gives the alarm.The amount of the fluid that the first flow checkout gear records is consistent with the amount of the bearing fluid of flowing through, be the flow set of the required fluid of bearing the setting value of flow detector, as long as the flow value that flow detector detects sets value greater than this, just illustrate that the amount of the fluid of the bearing of flowing through can satisfy the demand of lubrication and cooling, bearing can not burn.The flow value that detects when flow detector sets value less than this, and warning device gives the alarm, and reminds the staff to operate the work that the reduction of speed control stick stops cold-rolling mill, and this danger of burn-out of bearing just can not occur.
In the technique scheme, preferably, described flow detector comprises a container with import and outlet, described container is provided with the float of interior magnet, be provided with a tongue tube on the lateral wall of described container, one end of described tongue tube links to each other with power supply, the other end of described tongue tube is divided into two-way, wherein one the tunnel links to each other with break contact one end of interlocking switch, another road links to each other with moving together contact one end of described interlocking switch, described warning device links to each other with the other end of described break contact, and described moving together contact links to each other with the controller of control cold-rolling mill work.Fluid enters from outlet from import and flows out, in the time of incipient, the amount of the fluid that flow out in the exit is less than the amount of the fluid of import department's inflow, fluid is piled up certain amount in container, form the fluid of certain depth, float floats thereupon, increase along with the fluid degree of depth, also increase gradually from the amount that exports the fluid that flows out, until the amount of the fluid that flow out in the exit will equal the amount of the fluid of import department's inflow, at this moment the amount of container inner fluid reaches balance, the flow value of indicating on the container this time should be the amount of the fluid of bearing normal operation needs, reduce if flow into the amount of container inner fluid, then the degree of depth of container inner fluid also can correspondingly reduce, until reach new balance.When the degree of depth of fluid reduces, float descends thereupon, and the magnet on the float can be responded to the tongue tube adhesive on the lateral wall, and power supply just communicates with interlocking switch like this, the warning device energising that links to each other with the interlocking switch break contact, give the alarm, until the staff is switched interlocking switch, at this moment moving together contact is closed, power supply is communicated with the controller of control cold-rolling mill work, controller is according to the signal of power supply, and control cold-rolling mill reduction of speed quits work, and prevents that bearing from burning out.
In the technique scheme, preferred, also comprise a time-delay relay, the coiler part of described time-delay relay all links to each other with the other end of described magnetic switch with switch sections, and described switch sections links to each other with the controller of control cold-rolling mill work.When the staff did not notice alarm, time-delay relay was after time-delay a period of time, and automatically with the switch sections adhesive, so that power supply is communicated with the controller of control cold-rolling mill work, control cold-rolling mill reduction of speed quits work, and prevents that bearing from burning out.
In the technique scheme, preferred, described first flow checkout gear has a plurality of, is separately positioned on the oil-out place of each described bearing.Any one bearing oil starvation all can be reported to the police in the interior a plurality of bearings of body memorial archway like this, can play the protective effect that anti-bearing burns out.
In the technique scheme, concrete a kind of warning device is alarm lamp.
In the technique scheme, preferred, the delay time that described time-delay relay is set is 3 to 7 seconds.
In the technique scheme, preferred, described oil-in place keeps arranging original second amount detecting device.Although original flow detector can not correctly reflect the amount by the fluid of bearing, it can reflect that the variation of amount of fluid of oil pump output is more timely than first flow checkout gear, therefore still is necessary to exist.
The beneficial effects of the utility model are: the amount of the fluid that the first flow checkout gear records is consistent with the amount of the back-up roll bearing fluid of flowing through, be the flow set of the required fluid of back-up roll bearing the setting value of first flow checkout gear, as long as the flow value that the first flow checkout gear detects sets value greater than this, just illustrate that the amount of the fluid of the bearing of flowing through can satisfy the demand of lubrication and cooling, bearing can not burn.The flow value that detects when the first flow checkout gear sets value less than this, and warning device gives the alarm, and reminds staff's reduction of speed to close cold-rolling mill, the danger of burn-out of bearing also can not occur.
Description of drawings
Fig. 1 is that existing cold-rolling mill roller is the schematic diagram of oil starvation warning system.
Fig. 2 is the schematic diagram of the embodiment of the invention.
Fig. 3 is circuit theory diagrams of the present invention.
Fig. 4 is the schematic diagram of first flow checkout gear.
The specific embodiment
Below in conjunction with accompanying drawing and the specific embodiment the present invention is described in further detail.
Referring to Fig. 2, cold-rolling mill roller is the oil starvation warning system, comprises body memorial archway 1, first flow checkout gear 4 and second amount detecting device 3, is provided with each one at each roller two ends of a plurality of bearing 11(on the described body memorial archway 1).Be provided with oil-in 1a and oil-out 1b on the described bearing 11, oil inlet pipe 2 one ends are divided into multistage, be connected on the oil-in 1a of each bearing 11, the oil-in 1a place of each bearing 11 is provided with second amount detecting device 3, and oil inlet pipe 2 other ends and oil pump (among the figure for looking out) link to each other.The oil-out 1b place of each bearing 11 is connected with a first flow checkout gear 4, and first flow checkout gear 4 links to each other with warning device 5.Be lower than when setting value when any one first flow checkout gear 4 detects flow, described warning device 5 gives the alarm.In the present embodiment, warning device 5 is alarm lamp, can certainly adopt loudspeaker to replace.
Referring to Fig. 3 and 4, described first flow checkout gear 4 comprises a container 4a with import 41 and outlet 42, is provided with the float 43 of interior magnet in the described container 4a, is provided with tongue tube 44 on the lateral wall of described container 4a.One end of described tongue tube 44 links to each other with power supply 45, the other end of described tongue tube 44 is divided into two-way, wherein one the tunnel links to each other with break contact 461 1 ends of interlocking switch 46, another road links to each other with moving together contact 462 1 ends of described interlocking switch 46, described warning device 5 links to each other with the other end of described break contact 461, and described moving together contact 462 links to each other with the controller of control cold-rolling mill work.Comprise that also a delay time is 5 seconds time-delay relay 6, the coiler part 61 of time-delay relay 6 all links to each other with the other end of tongue tube 44 with switch sections 62, and switch sections 62 links to each other with the controller of control cold-rolling mill work.
Claims (7)
1. cold-rolling mill roller is the oil starvation warning system, comprise body memorial archway (1) and oil inlet pipe (2), be provided with a plurality of bearings (11) on the described body memorial archway (1), be provided with oil-in (1a) and oil-out (1b) on the described bearing (11), described oil inlet pipe (2) terminates on the oil-in (1a), described oil inlet pipe (2) other end links to each other with oil pump, it is characterized in that: also comprise first flow checkout gear (4) and warning device (5), described oil-out (1b) is connected with described first flow checkout gear (4), be lower than when setting value when described first flow checkout gear (4) detects flow, described warning device (5) gives the alarm.
2. cold-rolling mill roller according to claim 1 is the oil starvation warning system, it is characterized in that: described first flow checkout gear (4) comprises a container (4a) with import (41) and outlet (42), be provided with the float (43) of interior magnet in the described container (4a), be provided with tongue tube (44) on the sidewall of described container (4a), one end of described tongue tube (44) links to each other with power supply (45), the other end of described tongue tube (44) is divided into two-way, wherein one the tunnel links to each other with break contact (461) one ends of interlocking switch (46), another road links to each other with moving together contact (462) one ends of described interlocking switch (46), described warning device (5) links to each other with the other end of described break contact (461), and described moving together contact (462) links to each other with the controller of control cold-rolling mill work.
3. cold-rolling mill roller according to claim 2 is the oil starvation warning system, it is characterized in that: also comprise a time-delay relay (6), the coiler part (61) of described time-delay relay (6) all links to each other with the other end of described tongue tube (44) with switch sections (62), and described switch sections (62) links to each other with the controller of control cold-rolling mill work.
4. cold-rolling mill roller according to claim 2 is the oil starvation warning system, it is characterized in that: described first flow checkout gear (4) has a plurality of, and the oil-out (1b) that is separately positioned on each described bearing (11) is located.
5. cold-rolling mill roller according to claim 2 is the oil starvation warning system, it is characterized in that: described warning device (5) is alarm lamp.
6. cold-rolling mill roller according to claim 3 is the oil starvation warning system, it is characterized in that: the delay time that described time-delay relay (6) is set is 3 to 7 seconds.
7. cold-rolling mill roller according to claim 1 is the oil starvation warning system, it is characterized in that: the oil-in (1a) of each described bearing (11) locates to be provided with second amount detecting device (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220282041 CN202683613U (en) | 2012-06-15 | 2012-06-15 | Oil starvation alarming system of cold rolling mill roller system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220282041 CN202683613U (en) | 2012-06-15 | 2012-06-15 | Oil starvation alarming system of cold rolling mill roller system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202683613U true CN202683613U (en) | 2013-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220282041 Expired - Fee Related CN202683613U (en) | 2012-06-15 | 2012-06-15 | Oil starvation alarming system of cold rolling mill roller system |
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| CN (1) | CN202683613U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102699036A (en) * | 2012-06-15 | 2012-10-03 | 宁波盈展精密薄板有限公司 | Oil starvation alarm system of roller system of cold rolling mill |
-
2012
- 2012-06-15 CN CN 201220282041 patent/CN202683613U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102699036A (en) * | 2012-06-15 | 2012-10-03 | 宁波盈展精密薄板有限公司 | Oil starvation alarm system of roller system of cold rolling mill |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130123 Termination date: 20140615 |
|
| EXPY | Termination of patent right or utility model |