CN101891105B - Electric permanent-magnetic lifting appliance for lifting multilayer steel plates - Google Patents
Electric permanent-magnetic lifting appliance for lifting multilayer steel plates Download PDFInfo
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- CN101891105B CN101891105B CN201010201593.XA CN201010201593A CN101891105B CN 101891105 B CN101891105 B CN 101891105B CN 201010201593 A CN201010201593 A CN 201010201593A CN 101891105 B CN101891105 B CN 101891105B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 51
- 239000010959 steel Substances 0.000 title claims abstract description 51
- 239000000725 suspension Substances 0.000 claims abstract description 5
- 230000005284 excitation Effects 0.000 claims description 27
- 101100365087 Arabidopsis thaliana SCRA gene Proteins 0.000 claims description 11
- 101150105073 SCR1 gene Proteins 0.000 claims description 11
- 101100134054 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) NTG1 gene Proteins 0.000 claims description 11
- 239000003990 capacitor Substances 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 11
- 230000005347 demagnetization Effects 0.000 claims description 7
- 238000001179 sorption measurement Methods 0.000 claims description 4
- 208000002925 dental caries Diseases 0.000 claims description 3
- 229910000828 alnico Inorganic materials 0.000 claims description 2
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 claims 1
- 229910001172 neodymium magnet Inorganic materials 0.000 claims 1
- 238000010521 absorption reaction Methods 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 3
- 230000005415 magnetization Effects 0.000 abstract 5
- 230000005611 electricity Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 101000668165 Homo sapiens RNA-binding motif, single-stranded-interacting protein 1 Proteins 0.000 description 1
- 101000668170 Homo sapiens RNA-binding motif, single-stranded-interacting protein 2 Proteins 0.000 description 1
- 102100039692 RNA-binding motif, single-stranded-interacting protein 1 Human genes 0.000 description 1
- 102100039690 RNA-binding motif, single-stranded-interacting protein 2 Human genes 0.000 description 1
- -1 aluminium nickel cobalt Chemical compound 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Abstract
The invention relates to an electric permanent-magnetic lifting appliance for lifting multilayer steel plates, comprising a hoisting device, suction lifting modules and a control part, wherein the multiple suction lifting modules are arranged along the length direction of a lifting beam in a balanced manner, the absorption planes of the suction lifting modules are of multiple groups of magnetic poles designed in a long narrow strip shape, each group of magnetic poles are internally provided with two permanent magnet materials and magnet exciting coils, the magnet exciting coils are magnetized to change the magnetic pole of a secondary magnet, the magnetic force of the primary magnet and the secondary magnet are overlapped to absorb the steel plates by forward-direction magnetization, and the magnetic force of the primary magnet and the secondary magnet are counteracted to release the steel plates by reversed magnetization. The control part control the current intensity and direction of magnetization of the suction lifting modules, thus realizing the functions of pre-magnetization, full magnetization, plate thickness selection, absorbed amount of steel plates and lifting multiplayer steel plates with different thicknesses. The lifting appliance in the invention is suspended on a lifting hook of a lifter via a suspension chain, thus achieving safe lifting of the steel plates under a non-electrified state. The invention has convenient use, safety and reliability, durable suction lift module, strong adaptability, no required maintenance, low maintenance cost, efficient and energy-saving operation of the lifting appliance.
Description
Technical field
The present invention relates to a kind of suspender, be specially the suspender of alternative lifting multilayer steel plates in steel hoisting process.
Background technology
Steel are generally all used special hanger to carry out handling, and steel special hanger is divided into two kinds of mechanical type and magnetic-types.Because mechanical type suspender needs special messenger to link up with and unloads hook in handling process, labor strength is large, operating efficiency is low, and dangerous, and linking up with simultaneously and unload hook operation will have certain space, thereby has taken the stacking place of steel.Given this, steel suspender is gradually to magnetic-type future development, and magnetic-type suspender is divided into permanent magnet hanger, Electromagnetic slings for lifting loads and electric permanent magnet hanger by principle.Permanent magnet hanger is only suitable for the occasion of little hoisting capacity, during big elevating capacity, manually cannot operate.In use there is larger potential safety hazard in Electromagnetic slings for lifting loads, because the suction of Electromagnetic slings for lifting loads is to keep by energising, once during accidental power failure, steel plate will be from falling down in the air, though be equipped with in addition battery guarantor magnetic system, prevent unexpected power-off, once but inner field system breaks down, accident can occur too.From being perfectly safe, angle is considered, make the electricity consumption permanent magnet hanger will be more reliable, before lifting steel, forward energising excites magnetic field externally to show magnetic force, after magnetic excitation, by permanent-magnet material self, keep magnetic force, in handling process, suspender does not consume any electric energy, during unloading, oppositely switch on and eliminate the magnetic force of suspender again, suspender magnetizes or demagnetizes only needs capacitor pulse electric discharge forward or backwards once.Existing electric permanent magnet hanger lifting module mostly is magnetic pole group leader squared design, is evenly fixed on hanging beam side, adopts single electric current in short-term to magnetize, can only lifting individual layer steel plate, and function singleness, operating efficiency is not high.
Summary of the invention
The object of the invention is for above-mentioned present situation, aim to provide a kind of alternative lifting multilayer steel plates, the electric permanent magnet hanger of the lifting multilayer steel plates reliable, easy to use, durable in use, the life-span is long, maintenance cost is low, operation is energy-efficient that is perfectly safe.
The implementation of the object of the invention is, the electric permanent magnet hanger of lifting multilayer steel plates, lifting appliance is in the some lifting modules of the balanced layout of length direction of hanging beam, a plurality of lifting modules are suspended on hanging beam by hanging balanced layout of chain, hanging beam is suspended on by hanging beam suspended chain on the suspension hook of weight-lifting equipment, and the suspender electric cabinet of control part is fixed on plane on hanging beam;
There are hanger, connection box in the cover plate top of lifting module, outer magnetic pole, internal magnetic pole and cover plate are connected by tie bolt, outer magnetic pole and internal magnetic pole form a plurality of strip shape installation cavitys, main magnet is fixed on installation cavity top, installation cavity bottom excitation coil and secondary magnet with main magnet equivalent amount fixing with abutment shaft;
Control module U1 triggers thyristor SCR1～SCR12, capacitor C 1～C3 by AC voltage adjusting module T1, step-up transformer T2, rectifier D1, voltage detecting transformer J1, K switch M1～KM3 tap, the switch S 1 of control module U1 is selected this locality or remote control, the corresponding different breadth steel plate liftings of switch S 2 are selected, the corresponding lifting steel plate thickness of switch S 3 is selected, the corresponding lifting steel plate of switch S 4 number of plies is selected, and premagnetization button SB1, full magnetic button SB2, demagnetization button SB3 and safety switch SB4 meet excitation coil group L1～L3 by triggering thyristor SCR1～SCR12.
The present invention realizes local control by control part, and premagnetization, full magnetic, demagnetization, the also remote-controlled realization of safety switch function, for remote servicing.The present invention has following advantage:
1, the lifting modular design adopting is elongated strip shaped, and aspect ratio becomes many multiples, and adsorption plane becomes flat bar, and magnetic force energy penetrates multilayer steel plates, and energy lifting multilayer steel plates, improves operating efficiency;
2, with momentary impulse, magnetize and replaced traditional electromagnet constant magnetic field to magnetize, dependable performance, economize on electricity, adopts multi selector switch to control, and selects the multilayer steel plates lifting of different area, thickness, strong adaptability.
3, suspended chain hangs a plurality of well-distributed lifting modules, can balanced each suspension centre stressed, and automatically comply with camber of sheet distortion, easy for operation;
4, adopt capacitor pulse electric current forward electric discharge premagnetization before lifting, lift by crane liftoff after the full magnetic of the large current electrifying of capacitor pulse again, in lifting, without energising, keep magnetic force, lifting is perfectly safe reliably, hang lower after, thyristor control electric capacity back discharge demagnetization release;
5, lifting module is main magnet, secondary magnet, excitation coil totally enclosed solid shaped bodies standardized designs, unified specification standard; Magnetize and the current"on"time of demagnetizing very short, and without temperature rise phenomenon, lifting module is durable in use, the life-span is long, maintenance cost is low.
Accompanying drawing explanation
Fig. 1 a, 1b are lifting multilayer steel plates electricity permanent magnet hanger front view, lateral plan;
Fig. 2 a, 2b are lifting module front view, lateral plan;
Fig. 3 a, 3b are that lifting module magnetizes, demagnetized state figure;
Fig. 4 is lifting electricity permanent magnet hanger lifting and release control schematic diagram;
Fig. 5 is the present invention's one example, and schematic diagram is controlled in seven lifting module subregion lifting combinations.
The specific embodiment
The present invention is comprised of lifting appliance, lifting module and control part.
The present invention is described in detail in detail with reference to the accompanying drawings.
With reference to Fig. 1 a, 1b, a plurality of lifting modules 2 of the balanced layout of length direction at hanging beam 1, lifting module 2 is suspended on hanging beam 1 by hanging balanced layout of chain 5, for being fixed on plane on hanging beam 1 with the suspender electric cabinet 3 of control part electrical connection, hanging beam 1 is suspended on the suspension hook 6 of weight-lifting equipment, by weight-lifting equipment integral lifting by hanging beam suspended chain 4.
With reference to Fig. 2 a, 2b, there are hanger 14, connection box 17 in cover plate 15 tops of lifting module 2, two long strip type outer magnetic poles 8, two strip shape internal magnetic poles 10 are connected by tie bolt 16 with cover plate 15, outer magnetic pole 8 forms three installation cavitys with internal magnetic pole 10, on installation cavity, fix main magnet 9, under installation cavity, with abutment shaft 13, coaxially fix three groups of excitation coil 11 and secondary magnets 12 with main magnet equivalent amount.After magnetizing, lifting module 2 adsorption planes are three groups of elongated strips, every group of a plurality of magnetic line of forces penetrate steel plate.
With reference to Fig. 3 a, 3b, main magnet 9 magnetic polarities are constant, when secondary magnet 12 is after excitation coil 11 forwards magnetize, the magnetic polarity direction of main magnet 8, secondary magnet 11 is identical, externally magnetic strength response is strengthened, and at depth direction, is three groups of strips, every group of a plurality of N, the S closed magnetic line of force, magnetic line of force penetrates steel plate 7 through outer magnetic pole 8, internal magnetic pole 10, is magnetic absorption; When secondary magnet 12 is after excitation coil 11 oppositely magnetizes, the magnetic polarity opposite direction of main magnet 9, secondary magnet 12, three groups of inner formation, every group of inner closed magnetic line of force of a plurality of N, S, externally magnetic line of force is offset, and without magnetic line of force, penetrates steel plate, steel plate is not to magnetic, can not adsorbs steel plate.
With reference to Fig. 4, control module U1 forms by commonly using PLC controller, and the control that completes magnetize Current calculation and detection, magnetizes and demagnetize, lifting mode are selected to control.AC voltage regulator T1, step-up transformer T2, rectifier D1, voltage detecting transformer J1, K switch M1～KM3, capacitor C 1～C3, triggering thyristor SCR1～SCR12 is discharged and recharged by the required size of current control capacitance C1～C3 that magnetizes by control module U1, S1 selects this locality or remote control to control, region select switch S2 selects the lifting module combination of different breadth steel plates, the corresponding lifting steel plate thickness of thickness of slab select switch S3 is selected, the corresponding lifting steel plate of the number of plies select switch S4 number of plies is selected, premagnetization button SB1, full magnetic button SB2, demagnetization button SB3 and safety switch SB4 control triggering thyristor SCR1～SCR12 by control module U1 and meet series excitation coil L1, L2, L3.
During lifting steel plate, close switch Q1 connects general supply, presses premagnetization button SB1, and control module U1 adjusts AC voltage regulator T1 output voltage according to required current value, through step-up transformer T2 output, through rectifier D1 rectification, by KM1 closure, to capacitor C 1, charges.When KM1 is closed, the discharge loop that SCR1～SCR4 controls disconnects, and when voltage detecting transformer J1 detects C1 and reaches premagnetization voltage, KM1 disconnects, charging end.Control module U1 controls thyristor SCR1 and SCR4 conducting.C1 electric discharge produces direct impulse magnetic field secondary magnet 12 is magnetized in excitation coil L1, and lifting module produces magnetic force, completes premagnetization absorption.After lifting is just liftoff, press full magnetic button SB2, according to calculating required current value, readjust AC voltage regulator T1 output voltage, KM1 connects, and the discharge loop that SCR1～SCR4 controls disconnects, and capacitor C 1 is charged again.When voltage detecting transformer J1 detects C1 and reaches full magnetoelectricity and press, KM1 disconnects.Control module U1 controls thyristor SCR1 and SCR4 conducting.Capacitor C 1 is discharged again, produces stronger direct impulse magnetic field secondary magnet 12 is magnetized in excitation coil group L1, completes full magnetic attached.
During release steel plate, simultaneously by demagnetization button SB3 and safety switch SB4, control module U1 adjusts AC voltage adjusting module T1 output voltage according to required current value, through step-up transformer T2 output, through rectifier D1 rectification, by KM1 closure, to capacitor C 1, charges.When KM1 is closed, the discharge loop that SCR1～SCR4 controls disconnects, and voltage detecting transformer J1 detects C1 and reaches while demagnetizing voltage, and KM1 disconnects, and charging finishes.Control module U1 controls thyristor SCR2 and SCR3 conducting, and C1 electric discharge produces reverse impulse magnetic field in excitation coil group L1, secondary magnet 12 FR, and the external magnetic force of lifting module disappears, and discharges steel plate.
S1 is select switch, while selecting local control, by local control panel, is controlled, and while selecting remote control to control, by remote controller, is controlled.On remote controller, there is " premagnetization ", " full magnetic ", " demagnetization ", " safety " button, operating mode is identical with local control, no longer sets forth.
With reference to Fig. 5, seven the lifting modules of take are example, in conjunction with Fig. 4, the present invention are described.Corresponding lifting A district 18 is 3. 4. 5. three lifting module combine adsorption steel plates signals, and L1 represents 3. 4. 5. all excitation coil series combinations in three lifting modules of centre.Corresponding lifting B district 19 for 2. 3. 4. 5. 6. five blocks of lifting modules absorption steel plates illustrate, L2 represents the 2. 6. all excitation coil series combinations of piece of piece and the.Corresponding lifting C district 20 for 1. 2. 3. 4. 5. 6. 7. piece lifting module absorption steel plate illustrate, L3 represents the 1. 7. all excitation coil series combinations of piece of piece and the.Region select switch S2 selects A district, B district, San Ge region, C district lifting combination, with the different breadth steel plates of corresponding lifting.For example, when select switch S2 selects the lifting of B district to magnetize, control module U1 controls KM1 and KM2 is closed, capacitor C 1 and C2 charging, after KM1 and KM2 disconnect, control module U1 controls C1, C2 electric discharge, corresponding 3. 4. all series excitation coil assembly L1 of 5. lifting module and corresponding 2. all series excitation coil assembly L2 of 6. lifting module magnetize, five, B district lifting module is adsorbed corresponding breadth steel plate.Select 18， C district, A district 20Yu B district 19 situations of other corresponding breadth similar.
These are only the control principle of seven lifting modules, the mode of the lifting module of varying number is similar, no longer applies and states.
Claims (3)
1. the electric permanent magnet hanger of lifting multilayer steel plates, it is characterized in that lifting appliance is in 7 lifting modules of the balanced layout of length direction of hanging beam, 7 lifting modules of the 1st lifting module to the are arranged in order, 7 lifting modules are suspended on hanging beam by hanging balanced layout of chain, hanging beam is suspended on by hanging beam suspended chain on the suspension hook of weight-lifting equipment, for being fixed on plane on hanging beam with the suspender electric cabinet of control part electrical connection;
There are hanger, connection box in the cover plate top of lifting module, outer magnetic pole, internal magnetic pole and cover plate are connected by tie bolt, outer magnetic pole and internal magnetic pole form a plurality of strip shape installation cavitys, main magnet is fixed on installation cavity top, installation cavity bottom excitation coil and secondary magnet with main magnet equivalent amount fixing with abutment shaft
Control module U1 is by AC voltage adjusting module T1, step-up transformer T2, rectifier D1, voltage detecting transformer J1, K switch M1～KM3 tap triggers thyristor SCR1～SCR12, capacitor C 1～C3, the switch S 1 of control module U1 is selected this locality or remote control, the corresponding different breadth steel plate liftings of switch S 2 are selected, the corresponding lifting steel plate thickness of switch S 3 is selected, the corresponding lifting steel plate of switch S 4 number of plies is selected, premagnetization button SB1, full magnetic button SB2, demagnetization button SB3 and safety switch SB4 meet series excitation coil assembly L1～L3 by triggering thyristor SCR1～SCR12, wherein, the first series excitation coil assembly L1 represents the 3rd, 4, all excitation coil series connection in 5 lifting modules, the second series excitation coil assembly L2 represents all excitation coil series connection of the 2nd and the 6th lifting module, the 3rd series excitation coil assembly L3 represents all excitation coil series connection of the 1st and the 7th lifting module.
2. the electric permanent magnet hanger of lifting multilayer steel plates according to claim 1, is characterized in that main magnet is that neodymium iron boron magnetic body, secondary magnet are alnico magnet, and the adsorption plane of lifting module is many group elongated strip shaped.
3. the electric permanent magnet hanger of lifting multilayer steel plates according to claim 1, excitation coil and secondary magnet in it is characterized in that not are on the same group cylindrical coaxial installation, middle through abutment shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010201593.XA CN101891105B (en) | 2010-06-17 | 2010-06-17 | Electric permanent-magnetic lifting appliance for lifting multilayer steel plates |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010201593.XA CN101891105B (en) | 2010-06-17 | 2010-06-17 | Electric permanent-magnetic lifting appliance for lifting multilayer steel plates |
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| CN101891105A CN101891105A (en) | 2010-11-24 |
| CN101891105B true CN101891105B (en) | 2014-01-15 |
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| CN201010201593.XA Active CN101891105B (en) | 2010-06-17 | 2010-06-17 | Electric permanent-magnetic lifting appliance for lifting multilayer steel plates |
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102963808A (en) * | 2012-11-07 | 2013-03-13 | 浙江大唐起重机械制造有限公司 | Steel plate lifting device |
| CN103569585A (en) * | 2013-11-19 | 2014-02-12 | 江苏无锡建华机床附件集团有限公司 | Electric permanent magnetic chuck for conveyer belt |
| CN103754749B (en) * | 2013-12-23 | 2016-02-10 | 大连佳林设备制造有限公司 | Thin plate suspender |
| CN105197763A (en) * | 2015-10-16 | 2015-12-30 | 重庆宝汇建筑材料有限公司 | Steel plate lifting appliance |
| CN106653283B (en) * | 2016-11-08 | 2018-06-05 | 株洲悍威磁电科技有限公司 | A kind of control device and system of portable electric permanent magnet |
| CN109205450B (en) * | 2018-09-29 | 2023-05-26 | 株洲悍威磁电科技有限公司 | Electric control permanent magnet lifting appliance for Shan Zhangfang plate and single plate release control method |
| CN111532957B (en) * | 2020-04-30 | 2021-09-28 | 湖南中科电气股份有限公司 | Electromagnetic lifting appliance and control method thereof |
| CN112678663A (en) * | 2020-12-11 | 2021-04-20 | 渤海造船厂集团有限公司 | Flexible electromagnetic hoisting device |
| CN112843518B (en) * | 2021-01-04 | 2021-12-28 | 国网福建省电力有限公司泰宁县供电公司 | Prevent high safety protection apparatus that weighs down |
| CN113353775A (en) * | 2021-07-13 | 2021-09-07 | 山东鲁磁工业科技有限公司 | Intelligent electromagnet hoisting sling |
| CN114772453B (en) * | 2022-06-16 | 2022-09-13 | 山西路桥智慧交通信息科技有限公司 | Heavy pipeline hoisting mechanism for highway engineering construction |
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| CN2186737Y (en) * | 1994-04-21 | 1995-01-04 | 天津市机械工业管理局科技信息研究所 | Detatchable column type polar cap electrical permanent-magnet suction cup |
| CN201217599Y (en) * | 2008-04-30 | 2009-04-08 | 吴建华 | Permanent magnetic hoisting electromagnet |
| CN201809024U (en) * | 2010-06-17 | 2011-04-27 | 武汉港迪机电工程有限公司 | Electric permanent-magnet lifting appliance for lifting multi-layer steel plates |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050269827A1 (en) * | 2004-06-04 | 2005-12-08 | Heard Ian G | Apparatus for lifting of ferromagnetic metal sheets |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2186737Y (en) * | 1994-04-21 | 1995-01-04 | 天津市机械工业管理局科技信息研究所 | Detatchable column type polar cap electrical permanent-magnet suction cup |
| CN201217599Y (en) * | 2008-04-30 | 2009-04-08 | 吴建华 | Permanent magnetic hoisting electromagnet |
| CN201809024U (en) * | 2010-06-17 | 2011-04-27 | 武汉港迪机电工程有限公司 | Electric permanent-magnet lifting appliance for lifting multi-layer steel plates |
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Denomination of invention: Electric permanent-magnetic lifting appliance for lifting multilayer steel plates Effective date of registration: 20181019 Granted publication date: 20140115 Pledgee: Huaxia Bank Limited by Share Ltd Wuhan fruit lake sub branch Pledgor: Wuhan Guide Electric Co., Ltd. Registration number: 2018420000057 |
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Date of cancellation: 20210823 Granted publication date: 20140115 Pledgee: Huaxia Bank Limited by Share Ltd. Wuhan fruit lake sub branch Pledgor: WUHAN GUIDE ELECTRIC Co.,Ltd. Registration number: 2018420000057 |