CN102180343B - Device for detecting broken chains of swaying rack chain fall - Google Patents
Device for detecting broken chains of swaying rack chain fall Download PDFInfo
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- CN102180343B CN102180343B CN 201110047953 CN201110047953A CN102180343B CN 102180343 B CN102180343 B CN 102180343B CN 201110047953 CN201110047953 CN 201110047953 CN 201110047953 A CN201110047953 A CN 201110047953A CN 102180343 B CN102180343 B CN 102180343B
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Abstract
The invention discloses a method for detecting broken chains of a swaying rack. A swaying rack is provided with a plurality of chains, wherein the chains are connected with a drive motor; the drive motor is connected with one PLC (Programmable Logic Controller); the PLC controls the drive motor to drive the chains to move back and forth; a steel wire rope is arranged below the chains; one end of the steel wire rope is fixed, and the other end of the steel wire rope is connected with a steel plate capable of sliding up and down via one steering wheel; one side of the steel plate is provided with a proximity limit sensor corresponding to the steel plate; and the proximity limit sensor is connected with the PLC controller. According to the device, maintenance staff can be reminded of overhauling chains on the swaying rack in time so as to avoid the problems of pulling deformation, falling and destroy of a chain track in a broken chain, thereby effectively shortening chain overhauling time, saving manpower and materials, lowering production cost, improving overhauling efficiency and ensuring normal production.
Description
Technical field
The present invention relates to a kind of detecting device, particularly a kind of detecting device that comes off that disconnects for detection of chain on the traversing stand.
Background technology
The traversing stand of finishing of Baosteel company Thick Plate Plant is the visual plant of slab sheet material production and application, and it is mainly used to carry the sheet material of the different size under the fixed size scissors shearing.Traversing stand is provided with several chains, and sheet material is placed on the chain, and chain drives it by drive motor and moves to carry sheet material.In process of production, because the chain on the traversing stand is uninterrupted running every day, therefore damage in various degree, the phenomenon of distortion often appear in the key equipment-chain on the traversing stand, and the problem that the chain disconnection comes off inevitably can appear in long time running.
When the wherein chain on the traversing stand disconnects when coming off, because the number of chain is more, therefore the operating personnel of traversing stand operator's compartment can not find in time that fault exists.And the restoring repair work of per month twice periodical repair of service personnel is limited owing to floor time during the periodical repair; restorative overhauling project is more; the general production task that also can only guarantee the normal of traversing stand can not be comprehensively thoroughly, effectively detect, be found to chain and disconnect potential faults after coming off.Like this long-term accumulation can make not only that to disconnect the chain come off more and more, and the chain rail that disconnects in the chain that can fall breaking when the chain that comes off turns round with other chain pulls distortion, it is come off even damages.When traversing stand in a single day again during normal operation, because the chain that damages is more, and well damage, so just need to organize a large amount of human and material resources to carry out upkeep operation, the time that each maintenance is used is longer, thereby can the normal operation of producing be impacted.
Summary of the invention
For above-mentioned the deficiencies in the prior art, the technical problem to be solved in the present invention provides the traversing stand chain of a kind of energy Real-Time Monitoring and disconnects the monitoring device that comes off.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of detecting broken chains of swaying rack chain fall, described traversing stand is provided with several chains, described chain is connected with drive motor, described drive motor is connected with a PLC controller, described PLC controller is controlled described drive motor and is driven described chain and move around, it comprises a steel rope, described steel rope is positioned at the below of described several chains, one end of described steel rope is fixed, the other end of described steel rope is walked around one wheel flutter and be can slide up and down iron plate connection with one, one side of described iron plate is provided with one near limit sensors, and is described corresponding with described iron plate near limit sensors, describedly is connected with described PLC controller near limit sensors.
Preferably, an end of described steel rope is fixed on the body of wall by a fixed support.
Preferably, an end of described steel rope is connected with described fixed support by a turnbuckle.
Preferably, described wheel flutter is fixed on the body of wall by a turning rack.
Preferably, it also comprises several bracing frames, and support frame as described above is between described fixed support and described turning rack, and support frame as described above is provided with rotatable roller, and described steel rope is positioned on the described roller.
Preferably, described iron plate is positioned at a spacing action support, describedly is fixed on the described spacing action rack inner wall near limit sensors.
Technique scheme has following beneficial effect: this detecting broken chains of swaying rack chain fall in use, when the chain appearance disconnection of steel rope top comes off, the chain that comes off is pressed on the steel rope, under the Action of Gravity Field of chain that comes off, steel rope pulling iron plate upward sliding, make the iron plate disengaging near the detection range of limit sensors, send near limit sensors and to feed back signal to the PLC controller, PLC controller control drive motor quits work, service personnel just can in time overhaul the chain on the traversing stand like this, thereby the chain rail of avoiding disconnecting in the chain occurs being pullled distortion, come off, the damage problem, effectively the time of shortening chains maintenance, save manpower, material resources reduce production costs, improve overhaul efficiency, guarantee the normal operation of producing.
Above-mentioned explanation only is the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of specification sheets, below with preferred embodiment of the present invention and cooperate accompanying drawing to be described in detail as follows.The specific embodiment of the present invention is provided in detail by following examples and accompanying drawing thereof.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention.
The specific embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present invention is described in detail.
As shown in Figure 1, traversing stand is provided with several chains 1 side by side, and chain 1 is connected with the drive motor (not shown), and drive motor is connected with PLC controller 12, PLC controller 12 can be controlled the drive motor rotating, thereby realizes moving around of chain 1.This traversing stand is placed on sheet material on the chain 1 in use, and under the drive of drive motor, chain just can be realized the conveying to sheet material like this.
This detecting broken chains of swaying rack chain fall comprises a steel rope 6, and an end of steel rope 6 is connected with a fixed support 2 by a turnbuckle 3, and fixed support 2 is fixed on the body of wall, and turnbuckle 3 can be used to regulate the tensile force of steel rope 6.The other end of steel rope 6 is walked around wheel flutter 7 and is connected with iron plate 9, and wheel flutter 7 is rotatable, and wheel flutter 7 is fixed on the opposite side body of wall by turning rack 8, and turning rack 8 is relative with fixed support 2.
Between fixed support 2 and turning rack 8, also be provided with several bracing frames 4, bracing frame 4 fixes on the ground, bracing frame 4 is provided with rotatable roller 5, steel rope 6 is positioned on the roller 5, bracing frame 4 can support steel rope 6, and the number of bracing frame 4 can be regulated according to the broadband of fixed support 2.Iron plate 9 is positioned at a spacing action support 11, and the inwall of spacing action support 11 is provided with one near limit sensors 10, is connected with PLC controller 12 near limit sensors 10.Be positioned at a side of iron plate 9 near limit sensors 10, corresponding with iron plate 9 near limit sensors 10, the induction range when iron plate 9 breaks away near limit sensors 10 feeds back signal to PLC controller 12 near limit sensors 10 with generation.
Above-mentioned fixed support 2, bracing frame 4, turning rack 8 and spacing action support 11 are welded by angle steel and iron plate.According to the length of chain 1, the lower of chain 1 can arrange a plurality of these detecting broken chains of swaying rack chain falls simultaneously.
As shown in Figure 1, this detecting broken chains of swaying rack chain fall in use, when one in several chains 1 of steel rope 6 tops appearance disconnection comes off, the chain 1 that comes off is pressed on the steel rope 6, under the Action of Gravity Field of chain 1 that comes off, steel rope 6 pulling iron plates 9 upward slidings, wheel flutter 8 and roller 5 are all rotatable, can make things convenient for like this pulling of 6 pairs of iron plates 9 of steel rope, when the detection range that breaks away under the pulling force effect of iron plate 9 at steel rope 6 near limit sensors 10, send near limit sensors 10 and to feed back signal to PLC controller 12, PLC controller 12 control drive motor quit work, chain 1 stops mobile, so just can remind service personnel in time chain 1 row on the traversing stand to be overhauled.Thereby can avoid in time to find fault the chain problem that its chain rail is pullled distortion, come off, damages in moving process of disconnection being occurred owing to service personnel, the time of effective shortening chains maintenance, save human and material resources, reduce production costs, improve overhaul efficiency, guarantee the normal operation of production, also can effectively reduce the safety misadventure incidence in the maintenance process simultaneously.
Take 20 days periodical repair cycles of Baosteel company Thick Plate Plant as example: when not using this detecting broken chains of swaying rack chain fall, can disconnect 16 chains, damage 6 on rail of chain (17 meters of total lengths) in the periodical repair cycle, repair 10 disconnection chains and need to drop into 30 people * 12 hours, repair 6 damage chain rails and need to drop into 30 people * 12 hours, amount to 90 work day 300 yuan=27000 yuan of *.And after using this detecting broken chains of swaying rack chain fall, a traversing stand of periodical repair cycle only disconnects 4 on chain, chain does not have serious damage, comes off, is out of shape, weares and teares, the chain rail does not occur to be pullled distortion, comes off, damages phenomenon, repair very conveniently, each maintenance only needs time of lacking very much, and service expenditure is very low, this shows and adopt this detecting broken chains of swaying rack chain fall can effectively save human and material resources, improve the efficient of maintenance.
More than detecting broken chains of swaying rack chain fall that the embodiment of the invention is provided be described in detail; for one of ordinary skill in the art; thought according to the embodiment of the invention; all can change to some extent in specific embodiments and applications; therefore this description only is used in the embodiment of the invention is described; should not be construed as limitation of the present invention, all any changes of making according to design philosophy of the present invention are all within protection scope of the present invention.
Claims (6)
1. detecting broken chains of swaying rack chain fall, described traversing stand is provided with several chains, described chain is connected with drive motor, described drive motor is connected with a PLC controller, described PLC controller is controlled described drive motor and is driven described chain and move around, it is characterized in that: described detecting device also comprises a steel rope, described steel rope is positioned at the below of several chains, one end of described steel rope is fixed, the other end of described steel rope is walked around a wheel flutter and be can slide up and down iron plate connection with one, one side of described iron plate is provided with one near limit sensors, described corresponding with described iron plate near limit sensors, describedly be connected with described PLC controller near limit sensors.
2. detecting broken chains of swaying rack chain fall according to claim 1, it is characterized in that: an end of described steel rope is fixed on the body of wall by a fixed support.
3. detecting broken chains of swaying rack chain fall according to claim 2 is characterized in that: an end of described steel rope is connected with described fixed support by a turnbuckle.
4. detecting broken chains of swaying rack chain fall according to claim 2, it is characterized in that: described wheel flutter is fixed on the body of wall by a turning rack.
5. detecting broken chains of swaying rack chain fall according to claim 4, it is characterized in that: it also comprises several bracing frames, support frame as described above is between described fixed support and described turning rack, and support frame as described above is provided with rotatable roller, and described steel rope is positioned on the described roller.
6. detecting broken chains of swaying rack chain fall according to claim 1, it is characterized in that: described iron plate is positioned at a spacing action support, describedly is fixed on the described spacing action rack inner wall near limit sensors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110047953 CN102180343B (en) | 2011-02-28 | 2011-02-28 | Device for detecting broken chains of swaying rack chain fall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110047953 CN102180343B (en) | 2011-02-28 | 2011-02-28 | Device for detecting broken chains of swaying rack chain fall |
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| CN102180343A CN102180343A (en) | 2011-09-14 |
| CN102180343B true CN102180343B (en) | 2013-01-16 |
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| CN 201110047953 Active CN102180343B (en) | 2011-02-28 | 2011-02-28 | Device for detecting broken chains of swaying rack chain fall |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102530759A (en) * | 2012-01-09 | 2012-07-04 | 青岛港（集团）有限公司 | Releasing and dislocating preventing device for steel wires of drum of crane |
| CN106744117A (en) * | 2016-12-30 | 2017-05-31 | 天津市日博自动化物流装备有限公司 | A kind of chain breakage detection means for elevator cars |
| CN112124898A (en) * | 2020-09-23 | 2020-12-25 | 江西华欣机械制造有限公司 | Online monitoring system and method for conveyor |
| CN113501281B (en) * | 2021-07-30 | 2022-07-29 | 辽宁工程技术大学 | Adjustable automatic chain breaking mechanism of scraper conveyor and using method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201109640Y (en) * | 2007-11-25 | 2008-09-03 | 韩友礼 | Mining scraper conveyor chain-breaking detection protective equipment |
| CN201647614U (en) * | 2010-01-14 | 2010-11-24 | 宝山钢铁股份有限公司 | Device for preventing chain from falling off for steel coil conveying chain |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10192940A (en) * | 1997-01-07 | 1998-07-28 | Nippon Steel Corp | Long size material transfer device |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201109640Y (en) * | 2007-11-25 | 2008-09-03 | 韩友礼 | Mining scraper conveyor chain-breaking detection protective equipment |
| CN201647614U (en) * | 2010-01-14 | 2010-11-24 | 宝山钢铁股份有限公司 | Device for preventing chain from falling off for steel coil conveying chain |
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| CN102180343A (en) | 2011-09-14 |
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