CN204107991U - Hot Line water cooling section strip position monitoring tracking means - Google Patents
Hot Line water cooling section strip position monitoring tracking means Download PDFInfo
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- CN204107991U CN204107991U CN201420496764.XU CN201420496764U CN204107991U CN 204107991 U CN204107991 U CN 204107991U CN 201420496764 U CN201420496764 U CN 201420496764U CN 204107991 U CN204107991 U CN 204107991U
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- cylinder
- bottom plug
- water cooling
- cooling section
- tracking means
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Abstract
Hot Line water cooling section strip position monitoring tracking means, comprise, cylinder, upper and lower opening, inner wall lower sets catching step, and cylinder lower sides is offered and osculum; Upper cover, bottom is located in cylinder upper port, and it axially establishes central through hole; Bottom plug, cylinder, top is located in cylinder lower port, and bottom plug axially establishes central through hole, and upper surface coordinates with catching step under cylinder inner wall; Proximity switch, inserts in cylinder from cylinder lower end, passes bottom plug through bottom plug central through hole; Strip position testing calibration signal is accurately provided, makes control system can perform predetermined cooling strategy more accurately.
Description
Technical field
The utility model relates to equipment of hot rolling, particularly Hot Line water cooling section strip position monitoring tracking means.
Background technology
The method that the existing strip position for Hot Line water cooling section is detected has:
1. go out steel plate position at the appointed time by roller-way rotating speed indirect calculation.But, in actual production, because roller table surface cooling water has certain lubrication, particularly Wide and Thick Slab, because weight is excessive, is easy to skid on cooling roller bed after losing the forward thrust of rolling mill roll, cause between the speed of advancement of hot rolled plate and roller table speed and there is deviation, its hysteresis is sometimes large, sometimes little, is difficult to quantitative calculating.
2. infrared measurement of temperature, has position detecting function concurrently, but it can only measure the steel plate of higher temperature, and comparatively large by the influence of moisture of current and evaporation, before being arranged on water-cooled entrance and after outlet section, is difficult to use in water cooling section more.
3. laser, optical-mechanical system, effective, measures accurately, but expensive, and cost is high; And use through reality, find that they are very easily disturbed by steam.
4. electric position sensor.Because the devices such as water cooling section roller-way, nozzle, steel plate are all metalworks, be therefore difficult to directly use electric position sensor to monitor the current location of steel plate.
5. the ray type checkout gear such as gamma-rays, although this device can accurately detect, it is very large to the harm of human body, if there is the replacement scheme accurately measuring rolled piece position, or as far as possible need not be as well.
Summary of the invention
The purpose of this utility model is to provide a kind of water cooling section strip position monitoring tracking means, not only be not subject to the interference of water smoke and steam fog completely, and Inspection and maintenance is convenient, and according to the process length arbitrary decision of water cooling section, quantity can be installed, as auxiliary monitoring tracking means, to provide strip position testing calibration signal accurately, making control system can perform predetermined cooling strategy more accurately, being specially adapted to because conducting oneself with dignity excessive and easy Wide and Thick Slab of skidding on cooling roller bed.
For achieving the above object, the technical solution of the utility model is:
A kind of water cooling section strip position monitoring tracking means, it comprises, cylinder, upper and lower opening, and its inner wall lower sets catching step, and cylinder lower sides offers the osculum with inner space; Upper cover, its underpart is located in cylinder upper port, and upper cover axially establishes a central through hole; Bottom plug, cylinder, its top is arranged in cylinder lower port, and bottom plug axially establishes a central through hole, and bottom plug upper surface coordinates with catching step under cylinder inner wall; Proximity switch, inserts in cylinder from described cylinder lower end, passes bottom plug through bottom plug central through hole; Compress Spring, is sheathed in cylinder, passes the proximity switch upper end of bottom plug, Compress Spring lower end abutment bottom plug upper surface; Inductor, cylindrical shape, its upper portion side wall circumference establishes step, and described Compress Spring upper end is against this step surface, and inductor bottom is arranged in Compress Spring top, and inductor establishes central through hole; Staking punch, comprises the top board of cylinder and upper end thereof, and cylinder lower sides establishes step; This cylinder bottom is stretched in inductor central through hole through described upper cover central through hole, and corresponding with proximity switch upper end, cylinder lower sides step is against inductor upper surface; The limit travel that staking punch is upper and lower is formed between described top board and upper cover upper end.
Further, described inductor upper side axially establishes rhone.
Again, described inductor bottom surface radial direction establishes rhone.
Described cylinder is threaded with bottom plug.
Described upper cover lateral surface has the groove being convenient to screw up with a wrench or unscrew.
Described upper cover top is pyramidal structure.
Described proximity switch is fixed on described bottom plug by nut and pad.
Because workpiece front end has warpage upwards or upwards usually, therefore proximity switch directly can not be installed to the position close to roll surface height.For this reason, carry out by staking punch the cooling water flow that perception upwards impacts, when staking punch is fallen by water impact, proximity switch senses metal, sends and has current, rolled piece not to arrive signal to PLC; When rolled piece arrives this position, when being blinded by upjet, Compress Spring by staking punch jack-up, away from proximity switch, proximity switch induction less than, send non-water flow, rolled piece and arrived signal to PLC.
Such PLC control system just can rolled piece (strip) positional information in time in update the system, accurately to perform predetermined cooling strategy.
The beneficial effects of the utility model:
The utility model is that the water cooling section of hot rolling (or Wide and Thick Slab) production line provides one strip (rolled piece) position monitoring tracking means very accurately and reliably, this apparatus structure is simple and easy to realize, not only be not subject to the interference of water smoke and steam fog completely, and Inspection and maintenance is convenient, and according to the process length arbitrary decision of water cooling section, quantity can be installed, cost is extremely cheap compared with the systems such as grating, compare human body with various ray trace device to have no to endanger, therefore can as auxiliary monitoring tracking means, to provide strip position testing calibration signal accurately, make control system can perform predetermined cooling strategy more accurately.
Accompanying drawing explanation
Fig. 1 is the stereogram of the utility model embodiment.
Fig. 2 is the sectional view of the utility model embodiment.
Fig. 3 is the stereogram of inductor in the utility model embodiment.
Fig. 4 is the stereogram of upper cover in the utility model embodiment.
Fig. 5 is the stereogram of staking punch in the utility model embodiment.
Fig. 6 is the using state schematic diagram of the utility model embodiment.
Detailed description of the invention
See Fig. 1 ~ Fig. 6, water cooling section strip position monitoring tracking means of the present utility model, it comprises, cylinder 1, upper and lower opening, and its inner wall lower sets catching step 11, and cylinder 1 lower sides offers the osculum 12 with inner space; Upper cover 2, its underpart is located in cylinder upper port, and upper cover axially establishes a central through hole 21; Bottom plug 3, cylinder, its top is arranged in cylinder 1 lower port, and bottom plug 3 axially establishes a central through hole 31, and bottom plug 3 upper surface coordinates with catching step under cylinder inner wall; Proximity switch 4, inserts in cylinder 1 from described cylinder 1 lower end, passes bottom plug 3 through bottom plug 3 central through hole 31; Compress Spring 5, is sheathed in cylinder 1, passes proximity switch 4 upper end of bottom plug 3, Compress Spring 5 lower end abutment bottom plug 3 upper surface; Inductor 6, cylindrical shape, its upper portion side wall circumference establishes step 61, and described Compress Spring 5 upper end is against this step 61 step surface, and inductor 6 bottom is arranged in Compress Spring 5 top, and inductor 6 establishes central through hole 62; Staking punch 7, comprises the top board 72 of cylinder 71 and upper end thereof, and cylinder 71 lower sides establishes step 711; This cylinder 71 bottom is stretched in inductor 6 central through hole 62 through described upper cover 2 central through hole 21, and corresponding with proximity switch 4 upper end, cylinder 71 lower sides step 711 is against inductor 6 upper surface; The limit travel H that staking punch is upper and lower is formed between described top board 72 and upper cover 2 upper end.
In the present embodiment, described inductor 6 upper side axially establishes rhone 63, and inductor 6 bottom surface radial direction establishes rhone 63 '.
Described cylinder 1 is threaded with bottom plug 3.Described upper cover 2 lateral surface has the groove 22 being convenient to screw up with a wrench or unscrew, and upper cover 2 top is pyramidal structure.
Described proximity switch 4 is fixed on described bottom plug 3 by nut 8 and pad 9.
The quantity of this monitoring tracking means that will install is determined according to water cooling section length.
Below the roll surface this device A being arranged on cooling roller bed 100, and do not affect the position of existing lower water spout; And note staking punch just to certain nozzle (or jet pipe) 200 of top;
By the signal of each proximity switch access PLC; When rolled piece 300 (hot rolled plate, Wide and Thick Slab) does not put in place, because top cooling water flow continues to hit on staking punch, what therefore proximity switch passed to PLC control system is all the time " 1 " signal (have current, rolled piece do not arrive); When rolled piece arrives this setting position, because steel plate has blocked top current, staking punch is by Compress Spring jack-up, and away from proximity switch, therefore proximity switch provides " 0 " signal (non-water flow, rolled piece arrive).
The present position values of control system correction rolled piece thus, is convenient to perform predetermined cooling strategy, cold accurately to control.
Water cooling section after hot rolling (Wide and Thick Slab) is rolled, after rolled piece afterbody leaves milling train, loses the lasting thrust of roll, due to the self-lubricating function of cooling water, rolled piece very likely skids on roller-way, cause the velocity lag that moves ahead of rolled piece in roller table speed, particularly conduct oneself with dignity larger Wide and Thick Slab, its hysteresis is difficult to accurate Calculation and tracking.At the cooled region of steam transpiration, general position detecting device is difficult to play effectiveness, and the system such as grating, laser is not only expensive, is easily disturbed by steam, and high to the requirement of environment, is difficult to use; Although the devices such as gamma-rays are available, large to the harm of human body.Although therefore the utility model form is simple, accurately and reliably, signal stabilization, and environmental protection, cost are low, easy maintenance, are suitable as very much the monitoring tracking means of hot-rolling water cooling section strip position, are particularly useful for Wide and Thick Slab and produce line.
Claims (7)
1. Hot Line water cooling section strip position monitoring tracking means, is characterized in that, comprise,
Cylinder, upper and lower opening, its inner wall lower sets catching step, and cylinder lower sides offers the osculum with inner space;
Upper cover, its underpart is located in cylinder upper port, and upper cover axially establishes a central through hole;
Bottom plug, cylinder, its top is arranged in cylinder lower port, and bottom plug axially establishes a central through hole, and bottom plug upper surface coordinates with catching step under cylinder inner wall;
Proximity switch, inserts in cylinder from described cylinder lower end, passes bottom plug through bottom plug central through hole;
Compress Spring, is sheathed in cylinder, passes the proximity switch upper end of bottom plug, Compress Spring lower end abutment bottom plug upper surface;
Inductor, cylindrical shape, its upper portion side wall circumference establishes step, and described Compress Spring upper end is against this step surface, and inductor bottom is arranged in Compress Spring top, and inductor establishes central through hole;
Staking punch, comprises the top board of cylinder and upper end thereof, and cylinder lower sides establishes step; This cylinder bottom is stretched in inductor central through hole through described upper cover central through hole, and corresponding with proximity switch upper end, cylinder lower sides step is against inductor upper surface; The limit travel that staking punch is upper and lower is formed between described top board and upper cover upper end.
2. Hot Line water cooling section strip position monitoring tracking means as claimed in claim 1, is characterized in that, described inductor upper side axially establishes rhone.
3., as the Hot Line water cooling section strip position monitoring tracking means of claim 1 or 2, it is characterized in that, described inductor bottom surface radial direction establishes rhone.
4., as the Hot Line water cooling section strip position monitoring tracking means of claim 1 or 2, it is characterized in that, described cylinder is threaded with bottom plug.
5. Hot Line water cooling section strip position monitoring tracking means as claimed in claim 1, it is characterized in that, described upper cover lateral surface has the groove being convenient to screw up with a wrench or unscrew.
6., as the Hot Line water cooling section strip position monitoring tracking means of claim 1 or 5, it is characterized in that, described upper cover top is pyramidal structure.
7. Hot Line water cooling section strip position monitoring tracking means as claimed in claim 1, it is characterized in that, described proximity switch is fixed on described bottom plug by nut and pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420496764.XU CN204107991U (en) | 2014-08-29 | 2014-08-29 | Hot Line water cooling section strip position monitoring tracking means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420496764.XU CN204107991U (en) | 2014-08-29 | 2014-08-29 | Hot Line water cooling section strip position monitoring tracking means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204107991U true CN204107991U (en) | 2015-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420496764.XU Expired - Fee Related CN204107991U (en) | 2014-08-29 | 2014-08-29 | Hot Line water cooling section strip position monitoring tracking means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204107991U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110090868A (en) * | 2018-01-31 | 2019-08-06 | 宝山钢铁股份有限公司 | A kind of slab position detecting device and method for detecting position applied to hot rolling producing line |
-
2014
- 2014-08-29 CN CN201420496764.XU patent/CN204107991U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110090868A (en) * | 2018-01-31 | 2019-08-06 | 宝山钢铁股份有限公司 | A kind of slab position detecting device and method for detecting position applied to hot rolling producing line |
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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: 20150121 Termination date: 20210829 |
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| CF01 | Termination of patent right due to non-payment of annual fee |