CN201809024U - Electric permanent-magnet lifting appliance for lifting multi-layer steel plates - Google Patents
Electric permanent-magnet lifting appliance for lifting multi-layer steel plates Download PDFInfo
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- CN201809024U CN201809024U CN2010202270801U CN201020227080U CN201809024U CN 201809024 U CN201809024 U CN 201809024U CN 2010202270801 U CN2010202270801 U CN 2010202270801U CN 201020227080 U CN201020227080 U CN 201020227080U CN 201809024 U CN201809024 U CN 201809024U
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- lifting
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- steel plates
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- excitation coil
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Abstract
The utility model relates to an electric permanent-magnet lifting appliance for lifting multi-layer steel plates. The electric permanent-magnet lifting appliance comprises a lifting device, lifting modules and a control part; a plurality of lifting modules are evenly distributed along the length direction of a hanging beam; the adsorption surface of each lifting module adopts the design of a plurality of strip-shaped magnetic poles; two forms of permanent-magnet materials and an excitation coil are installed inside each group of the magnetic poles respectively; the magnetic pole of an auxiliary magnet is changed by being magnetized through the excitation coil; the magnetic force of a main magnet and the auxiliary magnet is superposed for absorbing the steel plates after the auxiliary magnet is positively magnetized; the magnetic force of the main magnet and the auxiliary magnet is mutually neutralized for releasing the steel plates after the auxiliary magnet is negatively magnetized; the control part is used for controlling the magnetizing current and the direction of the lifting modules, so as to fulfill the functions of pre-magnetization, holomagnetization, selection of plate thickness and absorption of steel plates and achieve the purpose of lifting multi-layer steel plates with different thicknesses; and the lifting appliance is hung on a lifting hook of a hoisting apparatus via hoisting chains, so as to realize the safe lifting of the steel plates under the powered-off state. The utility model has the advantages of convenience of use, security and reliability, durability of the lifting modules, high adaptability, no maintenance, low maintenance cost and high-efficiency and energy conservation during the lifting operation of the lifting appliance.
Description
Technical field
The utility model relates to a kind of suspender, is specially the suspender of alternative lifting multilayer steel plates in steel handling process.
Background technology
Steel generally all use special hanger to carry out handling, and the steel special hanger is divided into two kinds of mechanical type and magnetic-types.Because the mechanical type suspender needs the special messenger to link up with in the handling process and unloads hook, labor strength is big, operating efficiency is low, and dangerous, and linking up with and unload the hook operation simultaneously will have certain space, thereby has taken the stacking place of steel.Given this, the steel suspender develops to the magnetic-type direction gradually, and the magnetic-type suspender is divided into permanent magnet hanger, Electromagnetic slings for lifting loads and electric permanent magnet hanger by principle.Permanent magnet hanger only is fit to the occasion of little hoisting capacity, manually then can't operate during big elevating capacity.In use there is big potential safety hazard in Electromagnetic slings for lifting loads, because the suction of Electromagnetic slings for lifting loads is to keep by energising, in case unexpected the power failure, steel plate will be from falling down in the air, prevent sudden power though be equipped with battery guarantor magnetic system in addition, but in case inner field system breaks down, accident can take place too.Angle is considered from being perfectly safe, make the electricity consumption permanent magnet hanger will be more reliable, the forward energising excites magnetic field externally to show magnetic force before the lifting steel, keep magnetic force by permanent-magnet material self after the magnetic excitation, suspender does not consume any electric energy in the handling process, oppositely switch on during unloading again and eliminate the magnetic force of suspender, suspender magnetizes or demagnetizes only needs capacitor pulse discharge forward or backwards once.Existing electric permanent magnet hanger lifting module mostly is magnetic pole set oblong design, evenly is fixed on the hanging beam side, adopts single in short-term electric current to magnetize, can only lifting individual layer steel plate, and function singleness, operating efficiency is not high.
Summary of the invention
The purpose of this utility model is at above-mentioned present situation, aims 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, that the life-span is long, maintenance cost is low, operation is energy-efficient that is perfectly safe.
The implementation of the utility model purpose is, the electric permanent magnet hanger of lifting multilayer steel plates, lifting appliance is in the some lifting modules of the balanced layout of the length direction of hanging beam, a plurality of lifting modules are suspended on the hanging beam by hanging balanced layout of chain, hanging beam is suspended on by the hanging beam suspended chain on the suspension hook of weight-lifting equipment, and the suspender electric cabinet of control part is fixed in plane on the 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, fixing excitation coil and the secondary magnet with main magnet equivalent amount with abutment shaft in installation cavity bottom;
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, switch S 2 corresponding different breadth steel plate liftings are selected, switch S 3 corresponding lifting steel plate thickness are selected, the switch S 4 corresponding lifting steel plate numbers of plies are selected, and premagnetization button SB1, full magnetic button SB2, demagnetization button SB3 and safety switch SB4 meet excitation coil L1～L3 by triggering thyristor SCR1～SCR12.
The utility model is realized local control by control part, and premagnetization, full magnetic, demagnetization, the also remote-controlled realization of safety switch function are used for remote servicing.The utility model has following advantage:
1, the lifting modular design of Cai Yonging is an elongated strip shaped, and aspect ratio becomes many multiples, and adsorption plane becomes flat bar, and magnetic force can penetrate multilayer steel plates, and energy lifting multilayer steel plates improves operating efficiency;
2, magnetize with momentary impulse and replaced traditional electromagnet constant magnetic field to magnetize, dependable performance, multi selector switch control is adopted in economize on electricity, selects the multilayer steel plates lifting of different area, thickness, and comformability is strong.
3, suspended chain hangs a plurality of well-distributed lifting modules, can balanced each suspension centre stressed, and comply with the camber of sheet distortion automatically, easy for operation;
4, adopt capacitor pulse electric current forward discharge premagnetization before the lifting, lift by crane liftoff after the big electric current of the capacitor pulse full magnetic of switching on once more, need not energising in the lifting and keep magnetic force, lifting is perfectly safe reliably, after hanging down, the release of demagnetizing of thyristor control capacitance back discharge;
5, lifting module is main magnet, secondary magnet, excitation coil totally enclosed solid shaped bodies standardized designs, the unified specification standard; Magnetize and the current"on"time of demagnetizing very short, and do not have the temperature rise phenomenon, the lifting module is durable in use, the life-span is long, maintenance cost is low.
Description of drawings
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 the lifting module magnetizes, demagnetized state figure;
Fig. 4 is the permanent magnet hanger lifting of lifting electricity and discharges control principle figure;
Fig. 5 is the utility model one example, seven lifting module subregion lifting combination control scheme drawings.
The specific embodiment
The utility model is made up of lifting appliance, lifting module and control part.
The utility model is described in detail in detail with reference to the accompanying drawings.
With reference to Fig. 1 a, 1b, in a plurality of lifting modules 2 of the balanced layout of the length direction of hanging beam 1, lifting module 2 is suspended on hanging beam 1 by hanging chain 5 balanced layouts, the suspender electric cabinet 3 that is used for being electrically connected with control part is fixed in plane on the hanging beam 1, hanging beam 1 is suspended on the suspension hook 6 of weight-lifting equipment, by the 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, fix main magnet 9 on the installation cavity, installation cavity is down fixed three groups of excitation coil 11 and secondary magnets 12 with main magnet equivalent amount with abutment shaft 13 is coaxial.The back lifting module that magnetizes 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 after excitation coil 11 forwards magnetize, the magnetic polarity direction of main magnet 8, secondary magnet 11 is identical, externally the magnetic strength response is strengthened, and is three groups of strips at depth direction, every group of closed magnetic line of force of a plurality of N, S, magnetic line of force penetrates steel plate 7 through outer magnetic pole 8, internal magnetic pole 10, is magnetic absorption; When secondary magnet 12 after excitation coil 11 oppositely magnetizes, the magnetic polarity direction of main magnet 9, secondary magnet 12 is opposite, inner forms three groups, every group of inner closed magnetic line of force of a plurality of N, S, externally magnetic line of force is offset, and no magnetic line of force penetrates steel plate, steel plate is not magnetic, can not adsorbs steel plate.
With reference to Fig. 4, control module U1 is made up of PLC controller commonly used, finishes the electric current that magnetizes and calculates and detect, magnetize and the control of demagnetizing, 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 control, zone select switch S2 selects the lifting module combinations of different breadth steel plates, the corresponding lifting steel plate of thickness of slab select switch S3 thickness 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 trigger thyristor SCR1～SCR12 by control module U1 control and meet excitation coil L1, L2, L3.
During the 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, charges to capacitor C 1 by the KM1 closure.When KM1 was closed, the discharge loop of SCR1～SCR4 control was open circuited, and when voltage detecting transformer J1 detected C1 and reaches premagnetization voltage, KM1 disconnected, and charging finishes.Control module U1 control thyristor SCR1 and SCR4 conducting.The C1 discharge produces direct impulse magnetic field secondary magnet 12 is magnetized in excitation coil L1, the lifting module produces magnetic force, finishes 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 of SCR1～SCR4 control is open circuited, and capacitor C 1 is charged again.When voltage detecting transformer J1 detected C1 and reaches full magnetoelectricity and press, KM1 disconnected.Control module U1 control thyristor SCR1 and SCR4 conducting.Capacitor C 1 is discharged once more, produces stronger direct impulse magnetic field in excitation coil L1 secondary magnet 12 is magnetized, and it is attached to finish full magnetic.
During the 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, charges to capacitor C 1 by the KM1 closure.When KM1 was closed, the discharge loop of SCR1～SCR4 control was open circuited, and voltage detecting transformer J1 detects C1 and reaches when demagnetizing voltage, and KM1 disconnects, and charging finishes.Control module U1 control thyristor SCR2 and SCR3 conducting, the C1 discharge produces reverse impulse magnetic field in excitation coil L1, secondary magnet 12 FR, the external magnetic force of lifting module disappears, and discharges steel plate.
S1 is a select switch, when selecting local control, by local control panel control, when selecting remote control control, is controlled by remote controller." premagnetization " arranged on the remote controller, " full magnetic ", " demagnetization ", " safety " button, operating mode is identical with local control, no longer sets forth.
With reference to Fig. 5, be example with seven lifting modules, in conjunction with Fig. 4 the utility model is described.Corresponding lifting A district 18 is 3. 4. 5. three blocks of lifting module combinations absorption steel plates signal, L1 represent middle 3. 4. 5. all excitation coils in three lifting modules connect.Corresponding lifting B district 19 is 2. 3. 4. 5. 6. five blocks of lifting module absorption steel plates signal, and L2 represents 2. piece and 6. all excitation coil series connection of piece.Corresponding lifting C district 20 is 1. 2. 3. 4. 5. 6. 7. piece lifting module absorption steel plate signal, and L3 represents 1. piece and 7. all excitation coil series connection of piece.Zone select switch S2 selects A district, B district, three the regional lifting combinations in C district, with the different breadth steel plates of corresponding lifting.When for example select switch S2 selects B district's lifting to magnetize, control module U1 control KM1 and KM2 closure, capacitor C 1 and C2 charging, after KM1 and KM2 disconnect, control module U1 control C1, C2 discharge, corresponding 3. 4. all series excitation coil L1 of 5. lifting module and corresponding 2. all series excitation coil L2 of 6. lifting module magnetize, the five lifting modules in B district are adsorbed corresponding breadth steel plate.Select the A district 18 of other corresponding breadth, C district 20 is similar with B district 19 situations.
Below only be 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 the some lifting modules of the balanced layout of the length direction of hanging beam, a plurality of lifting modules are suspended on the hanging beam by hanging balanced layout of chain, hanging beam is suspended on the suspension hook of weight-lifting equipment by the hanging beam suspended chain, and the suspender electric cabinet that is used for being electrically connected with control part is fixed in plane on the 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, fixing excitation coil and the secondary magnet with main magnet equivalent amount with abutment shaft in installation cavity bottom;
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, switch S 2 corresponding different breadth steel plate liftings are selected, switch S 3 corresponding lifting steel plate thickness are selected, the switch S 4 corresponding lifting steel plate numbers of plies are selected, and premagnetization button SB1, full magnetic button SB2, demagnetization button SB3 and safety switch SB4 meet excitation coil L1～L3 by triggering thyristor SCR1～SCR12.
2. lifting multilayer steel plates electricity permanent magnet hanger according to claim 1 is characterized in that main magnet (9) is an alnico magnet for neodymium iron boron magnetic body, secondary magnet (12).
3. lifting multilayer steel plates electricity permanent magnet hanger according to claim 1 is characterized in that not interior on the same group excitation coil (11) and secondary magnet (12) are cylindrical same axle mounting, and abutment shaft (13) is passed in the centre.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202270801U CN201809024U (en) | 2010-06-17 | 2010-06-17 | Electric permanent-magnet lifting appliance for lifting multi-layer steel plates |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202270801U CN201809024U (en) | 2010-06-17 | 2010-06-17 | Electric permanent-magnet lifting appliance for lifting multi-layer steel plates |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201809024U true CN201809024U (en) | 2011-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202270801U Expired - Fee Related CN201809024U (en) | 2010-06-17 | 2010-06-17 | Electric permanent-magnet lifting appliance for lifting multi-layer steel plates |
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| CN (1) | CN201809024U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101891105A (en) * | 2010-06-17 | 2010-11-24 | 武汉港迪机电工程有限公司 | Electric permanent-magnetic lifting appliance for lifting multilayer steel plates |
| CN103663090A (en) * | 2013-12-18 | 2014-03-26 | 无锡市新华起重工具有限公司 | Steel plate lifting appliance provided with electro-permanent magnets |
| CN111532957A (en) * | 2020-04-30 | 2020-08-14 | 湖南中科电气股份有限公司 | Electromagnetic lifting appliance and control method thereof |
| CN114104937A (en) * | 2021-11-30 | 2022-03-01 | 广东韶钢松山股份有限公司 | Magnetic disk hanging beam supporting structure and magnetic disk hoisting equipment |
-
2010
- 2010-06-17 CN CN2010202270801U patent/CN201809024U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101891105A (en) * | 2010-06-17 | 2010-11-24 | 武汉港迪机电工程有限公司 | Electric permanent-magnetic lifting appliance for lifting multilayer steel plates |
| CN101891105B (en) * | 2010-06-17 | 2014-01-15 | 武汉港迪电气有限公司 | Electric permanent-magnetic lifting appliance for lifting multilayer steel plates |
| CN103663090A (en) * | 2013-12-18 | 2014-03-26 | 无锡市新华起重工具有限公司 | Steel plate lifting appliance provided with electro-permanent magnets |
| CN111532957A (en) * | 2020-04-30 | 2020-08-14 | 湖南中科电气股份有限公司 | Electromagnetic lifting appliance and control method thereof |
| 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 |
| CN114104937A (en) * | 2021-11-30 | 2022-03-01 | 广东韶钢松山股份有限公司 | Magnetic disk hanging beam supporting structure and magnetic disk hoisting equipment |
| CN114104937B (en) * | 2021-11-30 | 2023-12-01 | 广东韶钢松山股份有限公司 | Disk hanging beam supporting structure and disk hanging device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110427 Termination date: 20120617 |