CN202049231U - Hot rolling roller way plate blank inclination detector applicable to plate blank crane - Google Patents
Hot rolling roller way plate blank inclination detector applicable to plate blank crane Download PDFInfo
- Publication number
- CN202049231U CN202049231U CN2011200271039U CN201120027103U CN202049231U CN 202049231 U CN202049231 U CN 202049231U CN 2011200271039 U CN2011200271039 U CN 2011200271039U CN 201120027103 U CN201120027103 U CN 201120027103U CN 202049231 U CN202049231 U CN 202049231U
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- crane
- slab
- clamp
- distance measuring
- laser range
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Abstract
The utility model relates to a hot rolling roller way plate blank inclination detector applicable to a plate blank crane, which belongs to the field of measurement and comprises laser distance measuring sensors. The hot rolling roller way plate blank inclination detector is characterized in that the first laser distance measuring sensor and the second laser distance measuring are arranged in the work plane/work position of a crane clamp in the same direction, the laser ray distance measuring ends of the first laser distance measuring sensor and the second laser distance measuring sensor are arranged in a direction facing plate blanks carried/conveyed by a hot rolling roller way, the distance measuring signal output ends of the first laser distance measuring sensor and the second laser distance measuring sensor are respectively and correspondingly connected with the signal input end of a controller, and the signal output end of the controller is connected with a crane clamp lifting control system, a crane clamp work state warning system or a crane warning system. Whether the clamp of a plate blank warehouse crane can safely descend to the hoisting height or not is judged according to the detection results, the plate blanks are clamped, the collision condition between the clamp and the plate blanks can be greatly reduced when the plate blank warehouse crane adopts the automatic mode, and the safety and the reliability of the plate blank warehouse crane can be improved.
Description
Technical field
The utility model belongs to fields of measurement, relates in particular to a kind of device of the slab position being measured when being used for steel mill's slab crane operation.
Background technology
The removing of slab/when moving operation, adopt crane to carry out handling usually carried out in slab storehouse in the steel plant, and the suspender of used crane is generally clamp, as shown in Figure 1 (2 is slab among the figure, and 3 is clamp, and 4 is the chela on the clamp, and 9 is crane, and 10 is ground).
As seen from the figure, have certain width between the chela 4 that two are provided with in opposite directions on the clamp, this width is generally wide than the width of slab 2.When clamp gripping slab, need make suspender drop to certain height usually, can clamp two sides of slab 2 when making chela 4 closures, specifically see shown in Figure 2.
Roller-way is a kind of common device in the steel mill slab storehouse, is mainly used in transporting of slab.
The situation of slab " deflection " when transporting on roller-way, slab takes place through regular meeting, as shown in Figure 3 (1 is roller-way among the figure, and 2 is the slab on the roller-way, and 3 is clamp, and 4 is four clamps on the clamp).
In Fig. 3, if the angle excursion of slab is less, owing to have certain space between the left and right sides chela of crane clamp, therefore when the handling slab, can guarantee that slab falls in the gripping scope of clamp, when gripping, utilize the thrust of chela, with the position of slab folder just/clamp the back to promote.
If the angle excursion of slab is bigger, when the crane suspender is transferred according to slab position normal condition, the situation (as shown in Figure 3) that clamp and slab bump will take place, if it is big that the angle of slab deflection becomes, the situation that slab upper right corner chela to that indicated in the drawings and lower left corner chela and slab bump might take place, and cause the slab can't be normally by gripping.
When carrying out artificial handling, though can lean on crane operation worker naked eyes to judge,, utilize the swing of clamp by its operating experience, attempt realizing the gripping of slab.But under some critical conditions,, all be usually in suspender decline process often, when the collision situation of chela and slab has taken place, just can carry out manual intervention or processing because naked eyes are difficult to judgement.
And in Industry Control supermatic today, the crane existing trend that adopts unmanned operation and management in slab storehouse at first needs the problem considered so the security of its operation process and reliability are The whole control system.
When adopting unmanned control crane to carry out the automatic lifting job of roller-way slab, if the situation of roller-way slab deflection takes place, will cause crane can't the gripping slab, the lifting job situation of being forced to interrupt; When serious, also can cause major accidents such as clamp damage.
So, in actual production process, press for a cover automatic checkout system, to guarantee that slab storehouse crane before handling roller-way slab, can detect the deflection of slab, judging whether can be safely, gripping roller-way slab reliably.
The utility model content
Technical problem to be solved in the utility model provides a kind of hot roll road slab deflection pick-up unit that is applicable to the slab crane, it is according to the result who is detected, whether the clamp of judging slab storehouse crane can drop to sling height safely, the gripping slab, the security and the reliability of slab storehouse crane can be improved, especially when slab storehouse crane adopts automatic control mode, clamp and slab case of collision can be significantly reduced.
The technical solution of the utility model provides a kind of hot roll road slab deflection pick-up unit that is applicable to the slab crane, comprises laser range sensor, it is characterized in that:
In the working face/working position of crane clamp, first and second laser range sensors are set in the same way;
The laser beam of described first and second laser range sensors range finding end is towards by the slab setting of hot rolling roller-way carrying/transmission;
The distance measuring signal output terminal of described first and second laser range sensors is with the signal input part corresponding connection respectively of controller;
The signal output part of described controller is connected with crane clamp lift control system, crane clamp duty warning system or crane warning system.
Wherein, described first and second laser range sensors flatly are arranged on the working face/working position of crane clamp chela.
Concrete, described first and second laser range sensors, be arranged on the corresponding crane car body in crane clamp chela working face/working position on, on the hot rolling roller-way frame or with the corresponding fixed component in chela working face/working position on.
Further, the laser beam that described first and second laser range sensors are sent intersects in the horizontal direction with the axis of hot rolling roller-way or the transmission/traffic direction of slab.
Further, the laser beam that described first and second laser range sensors are sent, the angle that intersects in the horizontal direction with the transmission/traffic direction of the axis of hot rolling roller-way or slab is identical.
Further, the angle that intersects in the horizontal direction of the transmission/traffic direction of the axis of described laser beam and hot rolling roller-way or slab becomes 90 degree.
In addition, adopt wired or wireless signal transmission form to be connected between the signal input part of the distance measuring signal output terminal of described first and second laser range sensors and controller.
Concrete, adopt the signal transmission form of RS232, RS422 or Ethernet to be connected between the distance measuring signal output terminal of described first and second laser range sensors and the signal input part of controller.
Its described controller is single-chip microcomputer, PLC, built-in industrial control machine or PC.
The I/O port of described controller is respectively with the corresponding connection of distance measuring signal output terminal of first and second laser range sensors; The I/O port of described controller is connected with the decline interlock circuit in the crane clamp lift control system, alerting signal start-up circuit or the crane warning system fault demonstration/indicating circuit in the crane clamp duty warning system.
Compared with the prior art, the utility model has the advantages that:
1. adopt 2 laser range sensors and 1 controller.Utilize the triangle rule, can detect the roller-way slab because the degree that a kind of equivalence that deflection caused is amplified;
2. according to the result who is detected, whether the clamp of judging slab storehouse crane can drop to sling height gripping slab safely, the security and the reliability of hot rolling slab storehouse crane can be improved greatly, especially when slab storehouse crane adopts automatic control mode, clamp and slab case of collision can be significantly reduced.
3. transfer when the phenomenon of clamp collision slab takes place when clamp, controller provides a warning information, can send to the overhead crane control system or inform the crane operation worker by various forms with the form of pilot lamp, the whole detection device no-movable part, integral working is stable, measurement result is reliable, and on-the-spot adaptability is good;
4. when slab storehouse crane adopts automatic control mode, can significantly reduce the generation of clamp and slab collision situation, help improving the security of production work efficiency and crane automatic job.
Description of drawings
Fig. 1 is the synoptic diagram that slab storehouse crane carries out the slab handling;
Fig. 2 is that the crane chela is intended the closed synoptic diagram that clamps slab;
Fig. 3 is the situation of the slab generation deflection that storage transmits, moves on roller-way;
Fig. 4 constitutes synoptic diagram for the utility model;
Fig. 5 is a detection principle schematic of the present utility model.
Among the figure, 1 is roller-way, 2 is the slab on the roller-way, and 3 is clamp, and 4 is the chela on the clamp, 5-1,5-2 are first, second laser range sensor, 6 is controller, and 7-1,7-2 are the signal interface channel between first, second laser range sensor and the controller, the laser ranging ray that 8-1,8-2 send for first, second laser range sensor, 9 is crane, and 10 is ground.
Embodiment
Below in conjunction with accompanying drawing the utility model is described further.
Among Fig. 4, the technical program is in the working face/working position of crane clamp, be provided with first and second laser range sensor 5-1 and the 5-2 in the same way, the laser beam range finding end of first and second laser range sensors, towards by the slab 2 of hot rolling roller-way 1 carrying/transmission, the distance measuring signal output terminal of first and second laser range sensors, through signal interface channel 7-1, the 7-2 between first, second laser range sensor and the controller, with the signal input part corresponding connection respectively of controller 6.
The signal output part of described controller is connected (not shown) with crane clamp lift control system, crane clamp duty warning system or crane warning system.
Wherein, first and second laser range sensors flatly are arranged on the working face/working position of crane clamp chela.
Concrete, first and second laser range sensors, be arranged on the corresponding crane car body in crane clamp chela working face/working position on, on the hot rolling roller-way frame or with the corresponding fixed component in chela working face/working position on (not shown).
Further, laser beam 8-1,8-2 that first and second laser range sensors are sent, (press corresponding relation shown in this figure with the axis of hot rolling roller-way, should be axis perpendicular to page base, not shown, down with) or the transmission/traffic direction of slab (axis of hot rolling roller-way is identical, down with) with intersect in the horizontal direction.
Further, laser beam 8-1,8-2 that first and second laser range sensors are sent, the angle that intersects in the horizontal direction with the transmission/traffic direction of the axis of hot rolling roller-way or slab is identical.
Further, the angle that the axis of laser beam and hot rolling roller-way or the transmission/traffic direction of slab intersect in the horizontal direction becomes 90 degree, with corresponding relation shown in this figure, promptly the axis of laser beam and hot rolling roller-way or the transmission/traffic direction of slab intersect vertically in the horizontal direction.
In addition, between the distance measuring signal output terminal of first and second laser range sensors and the signal input part of controller, adopt wired or wireless signal transmission form, connect via signal interface channel 7-1,7-2 are corresponding respectively.
Concrete, can adopt the signal transmission form of RS232, RS422 or Ethernet to be connected between the distance measuring signal output terminal of first and second laser range sensors and the signal input part of controller.
Its controller is single-chip microcomputer, PLC, built-in industrial control machine or PC.
The I/O port of controller is respectively with the corresponding connection of distance measuring signal output terminal of first and second laser range sensors; The I/O port of described controller is connected with the decline interlock circuit in the crane clamp lift control system, alerting signal start-up circuit or the crane warning system fault demonstration/indicating circuit in the crane clamp duty warning system.
Because laser range sensor, single-chip microcomputer, PLC, built-in industrial control machine or the signal transmission form of PC and RS232, RS422 or Ethernet, the decline interlock circuit in the crane clamp lift control system are prior art, so its principle of work and the concrete mode of connection no longer repeat at this.
This Device Testing principle as shown in Figure 5.
Slab among the figure on the 2 expression roller-ways is provided with 2 laser range sensors altogether, and 5-1,5-2 represent first, second laser range sensor.The angle that the axis of 2 laser beams that laser range sensor sent and hot rolling roller-way or the transmission/traffic direction of slab intersect in the horizontal direction becomes 90 degree.
L1 is the distance between the detected and slab of first laser range sensor, and L2 is the distance between the detected and slab of second laser range sensor, and L12 is two distances between the laser range sensor.
Detected distance L 1 and the L2 with the roller-way slab of first laser range sensor and second laser range sensor sends to controller 6 by communication link.
Communication link can be RS232, RS422, Ethernet etc., and controller can be systems such as PLC or single-chip microcomputer.
Controller according to the triangle rule, can get behind the detection data L1 and L2 that obtain the first laser range sensor 5-1 and the second laser range sensor 5-2:
Thus, can get:
In the formula, L
bBe the length of slab, W
bWidth for slab.
Thus, controller can be tried to achieve the influence degree d=d1+d2 of slab deflection to a kind of virtual amplification that slab caused, shown in the dotted line among Fig. 5.Promptly owing to the slab deflection, the equivalent width of slab is by W
bBe amplified to d=d1+d2.
The controller meter in view of the above, the maximum open size of calculating behind this slab equivalent width with the suspender clamp compares.
If the equivalent width of slab is less than the opening size of clamp, controller judges that then clamp can transfer the gripping slab safely;
If the equivalent width of slab is greater than the opening size of clamp, controller is then judged the phenomenon that clamp collision slab will take place when clamp is transferred, controller will be exported an alarm/control signal, and this signal can be sent into decline interlock circuit, the alerting signal start-up circuit in the crane clamp duty warning system or the crane warning system fault demonstration/indicating circuit in the crane clamp lift control system.
But the information of gripping slab can send to the overhead crane control system or inform the crane operation worker with the form of pilot lamp by various forms, no longer describes in detail here.
Because the utility model utilizes the triangle rule, can detect the roller-way slab because the degree that a kind of equivalence that deflection caused is amplified, according to the result who is detected, whether the clamp of judging slab storehouse crane can drop to sling height safely, the gripping slab, the security and the reliability of hot rolling slab storehouse crane can be improved greatly, especially when slab storehouse crane adopts automatic control mode, clamp and slab case of collision can be significantly reduced.
The utility model can be widely used in the job safety control field of the slab crane that adopts the clamp-type suspender.
Claims (10)
1. a hot roll road slab deflection pick-up unit that is applicable to the slab crane comprises laser range sensor, it is characterized in that:
In the working face/working position of crane clamp, first and second laser range sensors are set in the same way;
The laser beam of described first and second laser range sensors range finding end is towards by the slab setting of hot rolling roller-way carrying/transmission;
The distance measuring signal output terminal of described first and second laser range sensors is with the signal input part corresponding connection respectively of controller;
The signal output part of described controller is connected with crane clamp lift control system, crane clamp duty warning system or crane warning system.
2. according to the described hot roll road slab deflection pick-up unit that is applicable to the slab crane of claim 1, it is characterized in that described first and second laser range sensors, flatly be arranged on the working face/working position of crane clamp chela.
3. according to the described hot roll road slab deflection pick-up unit that is applicable to the slab crane of claim 2, it is characterized in that described first and second laser range sensors, be arranged on the corresponding crane car body in crane clamp chela working face/working position on, on the hot rolling roller-way frame or with the corresponding fixed component in chela working face/working position on.
4. according to the described hot roll road slab deflection pick-up unit that is applicable to the slab crane of claim 1, it is characterized in that the laser beam that described first and second laser range sensors are sent, intersect in the horizontal direction with the axis of hot rolling roller-way or the transmission/traffic direction of slab.
5. according to the described hot roll road slab deflection pick-up unit that is applicable to the slab crane of claim 4, it is characterized in that the laser beam that described first and second laser range sensors are sent, the angle that intersects in the horizontal direction with the transmission/traffic direction of the axis of hot rolling roller-way or slab is identical.
6. according to the described hot roll road slab deflection pick-up unit that is applicable to the slab crane of claim 5, it is characterized in that the angle that the transmission/traffic direction of the axis of described laser beam and hot rolling roller-way or slab intersects in the horizontal direction becomes 90 degree.
7. according to the described hot roll road slab deflection pick-up unit that is applicable to the slab crane of claim 1, adopt wired or wireless signal transmission form to be connected between the distance measuring signal output terminal that it is characterized in that described first and second laser range sensors and the signal input part of controller.
8. according to the described hot roll road slab deflection pick-up unit that is applicable to the slab crane of claim 7, adopt the signal transmission form of RS232, RS422 or Ethernet to be connected between the distance measuring signal output terminal that it is characterized in that described first and second laser range sensors and the signal input part of controller.
9. according to the described hot roll road slab deflection pick-up unit that is applicable to the slab crane of claim 1, it is characterized in that described controller is single-chip microcomputer, PLC, built-in industrial control machine or PC.
10. according to the described hot roll road slab deflection pick-up unit that is applicable to the slab crane of claim 1, it is characterized in that the I/O port of described controller, respectively with the corresponding connection of distance measuring signal output terminal of first and second laser range sensors; The I/O port of described controller is connected with the decline interlock circuit in the crane clamp lift control system, alerting signal start-up circuit or the crane warning system fault demonstration/indicating circuit in the crane clamp duty warning system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200271039U CN202049231U (en) | 2011-01-27 | 2011-01-27 | Hot rolling roller way plate blank inclination detector applicable to plate blank crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200271039U CN202049231U (en) | 2011-01-27 | 2011-01-27 | Hot rolling roller way plate blank inclination detector applicable to plate blank crane |
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| Publication Number | Publication Date |
|---|---|
| CN202049231U true CN202049231U (en) | 2011-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200271039U Expired - Fee Related CN202049231U (en) | 2011-01-27 | 2011-01-27 | Hot rolling roller way plate blank inclination detector applicable to plate blank crane |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103808256A (en) * | 2012-11-15 | 2014-05-21 | 中国科学院沈阳自动化研究所 | Non-contact type object planar motion measuring device and implementation method thereof |
| CN104925562A (en) * | 2015-06-23 | 2015-09-23 | 长兴联丰纺织有限公司 | Novel cloth tidying machine |
| CN105388904A (en) * | 2015-12-18 | 2016-03-09 | 武汉钢铁(集团)公司 | Vertical-type loop dolly horizontal monitoring device |
| CN105584825A (en) * | 2015-12-19 | 2016-05-18 | 太原重工股份有限公司 | Automatic blank feeding equipment and control method thereof |
| CN108927411A (en) * | 2017-05-27 | 2018-12-04 | 中国二十冶集团有限公司 | Milling train installation control net puts the method set |
| CN112394678A (en) * | 2019-08-13 | 2021-02-23 | 宝山钢铁股份有限公司 | Control method for detecting cutting deviation of plate blank |
-
2011
- 2011-01-27 CN CN2011200271039U patent/CN202049231U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103808256A (en) * | 2012-11-15 | 2014-05-21 | 中国科学院沈阳自动化研究所 | Non-contact type object planar motion measuring device and implementation method thereof |
| CN103808256B (en) * | 2012-11-15 | 2016-12-21 | 中国科学院沈阳自动化研究所 | A kind of non-contact object measurement of in-plane motion device and implementation method |
| CN104925562A (en) * | 2015-06-23 | 2015-09-23 | 长兴联丰纺织有限公司 | Novel cloth tidying machine |
| CN105388904A (en) * | 2015-12-18 | 2016-03-09 | 武汉钢铁(集团)公司 | Vertical-type loop dolly horizontal monitoring device |
| CN105584825A (en) * | 2015-12-19 | 2016-05-18 | 太原重工股份有限公司 | Automatic blank feeding equipment and control method thereof |
| CN108927411A (en) * | 2017-05-27 | 2018-12-04 | 中国二十冶集团有限公司 | Milling train installation control net puts the method set |
| CN112394678A (en) * | 2019-08-13 | 2021-02-23 | 宝山钢铁股份有限公司 | Control method for detecting cutting deviation of plate blank |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111123 Termination date: 20200127 |