CN101096261B - Crane electromagnet for hoisting wire coils - Google Patents
Crane electromagnet for hoisting wire coils Download PDFInfo
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- CN101096261B CN101096261B CN2007100491516A CN200710049151A CN101096261B CN 101096261 B CN101096261 B CN 101096261B CN 2007100491516 A CN2007100491516 A CN 2007100491516A CN 200710049151 A CN200710049151 A CN 200710049151A CN 101096261 B CN101096261 B CN 101096261B
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Abstract
The invention discloses a lifting electromagnet, especially a lifting electromagnet handing high-line coil. The lifting electromagnet with U shape comprises a magnetizing coil or multiple magnetizing coils and corresponding iron core. The iron coil is magnetic yoke of electromagnet with U-shape. Two ends of iron core are fixed with two support plates respectively. Multiple soft magnetic poles are fixed at the bottom of support plate. The upper end of soft magnetic pole is fixed and the lower end is drooped freely. The length of soft magnetic pole is larger than the distance from the bottom face of support plate to the corresponding position of handing coil. Support plates of every U-shape electromagnets with the same polarity are connected by connecting plates. Guide circuit between soft magnetic poles at two sides is coil and magnetic line direction is on the peripheral direction of coil. The magnetic pole of invention is contacted with the external surface of coil well and can hand coil safely and stably. The invention is provided with simple structure, low energy consumption, light weight and convenient maintenance.
Description
Technical field
The present invention relates to a kind of lifting electromagnet, especially relate to a kind of lifting electromagnet of handling dish circle.
Background technology
Extensively adopt and make high-speed rod and produce unit along with China's metallurgy industry, production efficiency is greatly improved, and in order to improve the high drum circle of handling efficient, adopts lifting electromagnet in a large number.The high drum circle of handling at present is general to adopt several electromagnet connection to hang, adopt several the high drum circles of electromagnet combined lifting to need to increase crossbeam on the one hand, strengthened the driving load, on the other hand, this electromagnet is the outside face of adaptation dish circle, its magnetic pole mostly is circular arc, not only from great, and contact not well with dish circle outside face, the lifting ability is also less, the a.t. of in fact this electromagnet is very big, guarantees handling by redundant a.t..Chinese patent (patent No. ZL200520051305.1) discloses a kind of " the whole lifting electromagnet of the high drum circle of handling ", this patent has solved partly the problems referred to above, but since the direction of magnetic line of force along the dish circular shaft to, the air gap between dish circle and the circle will be passed in magnetic field when work, thereby potential drop is bigger, power consumption is bigger, and structure is complicated, the inconvenience maintenance.
Summary of the invention
In order to solve the deficiency in the above-mentioned technology, the purpose of this invention is to provide a kind of magnetic pole and contact well the handling crane electromagnet for hoisting wire coils that reliable operation and energy consumption are low with dish circle outside face.
In order to solve the problems of the technologies described above, crane electromagnet for hoisting wire coils of the present invention be " U " shape electromagnet, comprise one or more excitation coils and cooresponding iron core, each excitation coil and cooresponding iron core are formed little " U " shape electromagnet; Iron core is the yoke of " U " shape electromagnet, the two ends of iron core are connected with two supporting plates respectively, and the bottom surface of supporting plate is fixed with many flexible magnetic poles, and the upper end of flexible magnetic pole is fixed, the lower end freedom is sagging, and the length of flexible magnetic pole arrives by the distance of handling dish circle corresponding position greater than the supporting plate bottom surface; Distance between two outermost flexible magnetic poles of supporting plate is less than the dish circle diameter; The same polarity supporting plate of each little " U " shape electromagnet links to each other by connecting panel; The length direction of supporting plate and dish circular shaft line in the same way, the conducting between the flexible magnetic pole in both sides is the dish circle, the magnetic line of force direction is circumferential along dish.
As a kind of improvement of the present invention, crane electromagnet for hoisting wire coils is " U " shape electromagnet, comprises one or more excitation coils and cooresponding iron core; Iron core is the yoke of " U " shape electromagnet, and two supporting plates link to each other with the two ends of each iron core respectively, and each iron core is identical with the polarity of same supporting plate connecting place; The bottom surface of supporting plate is fixed with many flexible magnetic poles, and the upper end of flexible magnetic pole is fixed, and the lower end freedom is sagging, and the length of flexible magnetic pole arrives by the distance of handling dish circle corresponding position greater than the supporting plate bottom surface; Distance between two outermost flexible magnetic poles of supporting plate is less than the dish circle diameter; The length direction of supporting plate and dish circular shaft line in the same way, the conducting between the flexible magnetic pole in both sides is the dish circle, the magnetic line of force direction is circumferential along dish.
The evenly densely covered many flexible magnetic poles of each supporting plate bottom surface length direction of the present invention; Each supporting plate bottom width direction has the flexible magnetic pole of a row at least.The long-pending sums of core section all on the sectional area of all flexible magnetic poles that each supporting plate bottom surface is connected and the supporting plate equate; Flexible magnetic pole is in the magnetic saturation state.Effect and application force that this structure makes the dish circle all be subjected to magnetic force along the every place of its axis direction equate, thereby guarantee that safe lifting is reliable.
Be the protection solenoid housing, supporting plate has a stay bearing plate near the solenoid housing place, and the bottom surface of stay bearing plate is a little less than the bottom surface of solenoid housing.
As another kind of improvement the of the present invention, crane electromagnet for hoisting wire coils is " E " shape electromagnet, comprises one or more excitation coils and cooresponding iron core; Each excitation coil and cooresponding iron core are connected in the middle part of yoke plate bottom width direction, the magnetic direction of each excitation coil is identical, cored lower surface and internal magnetic pole be connected, internal magnetic pole is a rigid body, the area of its lower surface less than cored cross-sectional area sum; The both sides of yoke plate bottom width direction are fixed with many flexible magnetic poles along its length respectively, and the upper end of flexible magnetic pole is fixed, and the lower end freedom is sagging, and flexible magnetic pole evenly gathers along the yoke plate length direction; The length of flexible magnetic pole arrives by the distance of handling dish circle corresponding position greater than the yoke plate bottom surface; The width of the flexible magnetic pole of outermost both sides is less than the dish circle diameter on the yoke plate width; Yoke plate length direction and dish circular shaft line in the same way, the conducting between flexible magnetic pole of every side and the internal magnetic pole is the dish circle, the magnetic line of force direction is circumferential along dish.
The sectional area of all flexible magnetic poles that any side bottom surface of yoke plate Width is connected equals half of the long-pending sum of all core sections; Flexible magnetic pole is in the magnetic saturation state.In fact the outer magnetic pole of flexible magnetism very this " E " shape electromagnet.In like manner, effect and application force that this structure makes the dish circle all be subjected to magnetic force along the every place of its axis direction equate, thereby guarantee the reliable and stable of handling.
Flexible magnetism of the present invention is the metallic cable of magnetic conduction very.
No matter the present invention is " U " shape or " E " shape crane electromagnet for hoisting wire coils, owing to adopted flexible magnetic pole, after the bottom of crane electromagnet for hoisting wire coils of the present invention contacts with dish is round, the every place of dish circular shaft line direction all has flexible magnetic pole to contact, because flexible magnetic pole length arrives by the distance of handling minimum gauge dish circle corresponding position greater than its bearing, so every flexible magnetic pole can both coil the circle outside face by fine envelope, has guaranteed good contact of magnetic pole and dish circle; Fundamentally solved the problem of bad contact, made handling dish circle safe and reliable; And because the magnetic line of force direction is circumferential along dish, avoided the air gap of magnetic field between passing the dish circle and enclosing, magnetic resistance greatly reduces, under same a.t. condition, handling ability of the present invention significantly increases, and required energy consumption is lower, and the present invention also has characteristics in light weight, easy to maintenance.
Description of drawings
Be described in further detail below in conjunction with accompanying drawing and embodiments of the present invention:
Fig. 1 is the crane electromagnet for hoisting wire coils structural representation of the present invention that a plurality of little " U " shape electromagnet links to each other with connecting panel.
Fig. 2 is crane electromagnet for hoisting wire coils of the present invention " U " the shape structural representation after improving.
Fig. 3 is that scheme drawing is looked on the left side of Fig. 1, Fig. 2.
Fig. 4 is the A-A generalized section.
Fig. 5 is crane electromagnet for hoisting wire coils of the present invention " E " the shape structural representation after improving.
Fig. 6 looks scheme drawing for the left side of Fig. 5.
Fig. 7 is the B-B generalized section.
Fig. 8 is unkitted the crane electromagnet for hoisting wire coils structural representation of the present invention of flexible magnetic pole for Fig. 5.
Fig. 9 is that " U " shape crane electromagnet for hoisting wire coils handling of the present invention dish circle is implemented scheme drawing.
Figure 10 is that " E " shape crane electromagnet for hoisting wire coils handling of the present invention dish circle is implemented scheme drawing.
The specific embodiment
From Fig. 1, Fig. 3, Fig. 4, as can be known shown in Figure 9, crane electromagnet for hoisting wire coils of the present invention is " U " shape electromagnet, comprises 3 little " U " shape electromagnet; Iron core 2 is the yoke of " U " shape electromagnet, excitation coil housing 6 is arranged on the iron core 2, and the Circular Plate of excitation coil housing 6 is a diamagnetic material, after excitation coil 5 is packed excitation coil housing 6 into, end plate is sealed in welding, again with the two ends of iron core 2 respectively with two supporting plates 3 by being weldingly connected; The lower surface of each supporting plate 2 is fixed with the upper end of 200 * 3 flexible magnetic poles 1 that wire clips will evenly gather, the lower end freedom is sagging, the sectional area of all flexible magnetic poles 1 that every side is connected equates with three iron cores, 2 sectional area sums on the supporting plate 3, flexible magnetic pole 1 is the old steel rope of Φ 10mm, and the length of flexible magnetic pole 1 arrives by the distance of handling dish circle 9 corresponding positions greater than supporting plate 3 bottom surfaces; Distance between two supporting plate 3 outermost flexible magnetic poles 1 is less than the diameter of dish circle 9; The sectional area of all flexible magnetic poles 1 that each supporting plate 3 bottom surface is connected equates with three iron cores, 1 sectional area sum on the supporting plate 3; Flexible magnetic pole 1 is in the magnetic saturation state; Form little " U " shape electromagnet; Same polarity supporting plate 3 with each little " U " shape electromagnet links to each other by connecting panel 8 then, and connecting panel 8 is connected with supporting plate 3 usefulness bolts 7, constitutes big " U " shape electromagnet; The length direction of supporting plate 3 and dish circular shaft line in the same way, the conducting between the flexible magnetic pole 1 in both sides is the dish circle, the magnetic line of force direction is circumferential along dish.Hanger 4 is distributed on symmetric position above the electromagnet, avoids connecting seam and is weldingly connected with supporting plate 3 upper surfaces.When crane electromagnet for hoisting wire coils of the present invention with contacted by handling dish circle 9 after, every flexible magnetic pole 1 contacts with dish circle 9, after the energising excitation, magnetic line of force enters dish circle 9 and circumferentially forms closed magnetic path along it through flexible magnetic pole 1, the dish circle 9 of slinging under the effect of magnetic force.The present invention does not connect stay bearing plate.
From Fig. 2, Fig. 3, Fig. 4, as can be known shown in Figure 9, as a kind of improvement of invention, crane electromagnet for hoisting wire coils is " U " shape electromagnet, comprises 3 excitation coils 5 and cooresponding iron core 2; Iron core 2 is the yoke of " U " shape electromagnet, and pack into the embodiment of excitation coil housing 6 of excitation coil 5 is identical with Fig. 1; Two supporting plates 3 link to each other with the two ends of 3 iron cores 2 respectively, and each iron core 2 is identical with the polarity of same supporting plate 3 connecting places; All the other with embodiment little except that being connected " U " the shape electromagnet of Fig. 1 basic identical.
From Fig. 5-Fig. 8, as can be known shown in Figure 10, as the another kind improvement of invention, crane electromagnet for hoisting wire coils is " E " shape electromagnet, comprises 3 excitation coils 5 and cooresponding iron core 2; Equably three iron cores 2 that are welded on the excitation coil housing 6 are connected in the bottom surface of yoke plate 10 with bolt at the middle part of yoke plate 10 bottom width directions, excitation coil 5 is packed into behind the excitation coil housing 6, welded end plate, this end plate is a diamagnetic material, the magnetic direction of each excitation coil 5 is identical, cored 2 lower surface and internal magnetic pole 11 usefulness bolts be connected, internal magnetic pole 11 is a rigid body, the area of its lower surface is less than the cross-sectional area sum of three iron cores 2; The upper end of 200 * 3 flexible magnetic poles 1 that will evenly gather with wire clips respectively along its length in the both sides of yoke plate 10 bottom width directions is fixed, and the lower end freedom is sagging; Flexible magnetic pole 1 is the steel rope of Φ 10mm, and the sectional area of all flexible magnetic poles 1 that every side bottom surface of yoke plate 10 is connected equals half of three iron cores, 2 sectional area sums; Flexible magnetic pole 1 is in the magnetic saturation state; The length of flexible magnetic pole 1 arrives by the distance of handling dish circle 9 corresponding positions greater than yoke plate 10 bottom surfaces; Distance on yoke plate 10 width between the flexible magnetic pole (1) of outermost both sides is less than the diameter of dish circle 9; The length direction of yoke plate 10 and dish circular shaft line in the same way, the flexible magnetic pole 1 of every side is the dish circle with conducting between the internal magnetic pole 11, the magnetic line of force direction is circumferential along coiling.Hanger 4 uniform electro-magnet magnetic yoke plate 10 upper surface symmetric positions are weldingly connected with yoke plate 10 upper surfaces.
This paper utilizes flexible magnetic pole handling dish circle to do abundant description to crane electromagnet for hoisting wire coils of the present invention; under the invention spirit and scope situation that does not deviate from this paper proposition; can do some modifications and improvement to the present invention; this is conspicuous to a people with ordinary skill level, but all falls into protection domain of the present invention.
Claims (8)
1. crane electromagnet for hoisting wire coils, be " U " shape electromagnet, it is characterized in that: described crane electromagnet for hoisting wire coils comprises one or more excitation coils (5) and cooresponding iron core (2), and each excitation coil (5) and cooresponding iron core (2) are formed little " U " shape electromagnet; Described iron core (2) is the yoke of " U " shape electromagnet, the two ends of iron core (2) are connected with two supporting plates (3) respectively, the bottom surface of supporting plate (3) is fixed with many flexible magnetic poles (1), the upper end of flexible magnetic pole (1) is fixed, the lower end freedom is sagging, and the length of described flexible magnetic pole (1) arrives by the distance of handling dish circle (9) corresponding position greater than supporting plate (3) bottom surface; Distance between the outermost flexible magnetic poles of two supporting plates (3) (1) is less than the diameter of dish circle (9); The same polarity supporting plate (3) of each little " U " shape electromagnet links to each other by connecting panel (8); The length direction of supporting plate (3) and dish circular shaft line in the same way, the conducting between the flexible magnetic poles in both sides (1) is the dish circle, the magnetic line of force direction is circumferential along dish.
2. a crane electromagnet for hoisting wire coils is " U " shape electromagnet, and it is characterized in that: described crane electromagnet for hoisting wire coils comprises one or more excitation coils (5) and cooresponding iron core (2); Described iron core (2) is the yoke of " U " shape electromagnet, and two supporting plates (3) link to each other with the two ends of each iron core (2) respectively, and each iron core (2) is identical with the polarity of same supporting plate (3) connecting place; The bottom surface of supporting plate (3) is fixed with many flexible magnetic poles (1), and the upper end of flexible magnetic pole (1) is fixed, and the lower end freedom is sagging, and the length of described flexible magnetic pole (1) arrives by the distance of handling dish circle (9) corresponding position greater than supporting plate (3) bottom surface; Distance between the outermost flexible magnetic poles of two supporting plates (3) (1) is less than the diameter of dish circle (9); The length direction of supporting plate (3) and dish circular shaft line in the same way, the conducting between the flexible magnetic poles in both sides (1) is the dish circle, the magnetic line of force direction is circumferential along dish.
3. according to claim 1 or 2 described crane electromagnet for hoisting wire coils, it is characterized in that: the evenly densely covered many flexible magnetic poles (1) of described each supporting plate (3) bottom surface length direction; Described each supporting plate (3) bottom width direction has row's flexible magnetic pole (1) at least.
4. according to claim 1 or 2 described crane electromagnet for hoisting wire coils, it is characterized in that: described supporting plate (3) has been located a stay bearing plate near solenoid housing (6), and the bottom surface of stay bearing plate is a little less than the bottom surface of solenoid housing (6).
5. according to claim 1 or 2 described crane electromagnet for hoisting wire coils, it is characterized in that: the sectional area of all flexible magnetic poles (1) that described each supporting plate (3) bottom surface is connected is gone up all iron core (1) sectional area sums with supporting plate (3) and is equated; Flexible magnetic pole (1) is in the magnetic saturation state.
6. a crane electromagnet for hoisting wire coils is " E " shape electromagnet, and it is characterized in that: described crane electromagnet for hoisting wire coils comprises one or more excitation coils (5) and cooresponding iron core (2); Each excitation coil (5) and cooresponding iron core (2) are connected in the middle part of yoke plate (10) bottom width direction, the magnetic direction of each excitation coil (5) is identical, the lower surface and the internal magnetic pole (11) of cored (2) be connected, internal magnetic pole (11) is a rigid body, the area of its lower surface less than the cross-sectional area sum of cored (2); The both sides of yoke plate (10) bottom width direction are fixed with many flexible magnetic poles (1) along its length respectively, and the upper end of flexible magnetic pole (1) is fixed, and the lower end freedom is sagging, and flexible magnetic pole (1) evenly gathers along yoke plate (10) length direction; The length of described flexible magnetic pole (1) arrives by the distance of handling dish circle (9) corresponding position greater than yoke plate (10) bottom surface; The width of the flexible magnetic pole (1) of outermost both sides is less than the diameter of dish circle (9) on yoke plate (10) width; Yoke plate (10) length direction and dish circular shaft line in the same way, the flexible magnetic pole (1) of every side is the dish circle with conducting between the internal magnetic pole (11), the magnetic line of force direction is circumferential along coiling.
7. according to the described crane electromagnet for hoisting wire coils of claim 6, it is characterized in that: the sectional area of all flexible magnetic poles (1) that any side bottom surface of described yoke plate (10) Width is connected equal half of cored (2) sectional area sum; Flexible magnetic pole (1) is in the magnetic saturation state.
8. according to claim 1 or 2 or 6 described crane electromagnet for hoisting wire coils, it is characterized in that: described flexible magnetic pole (1) is the metallic cable of magnetic conduction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100491516A CN101096261B (en) | 2007-05-23 | 2007-05-23 | Crane electromagnet for hoisting wire coils |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100491516A CN101096261B (en) | 2007-05-23 | 2007-05-23 | Crane electromagnet for hoisting wire coils |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101096261A CN101096261A (en) | 2008-01-02 |
| CN101096261B true CN101096261B (en) | 2011-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007100491516A Expired - Fee Related CN101096261B (en) | 2007-05-23 | 2007-05-23 | Crane electromagnet for hoisting wire coils |
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| CN (1) | CN101096261B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2335940Y (en) * | 1998-06-02 | 1999-09-01 | 潘大鸿 | Steel sheet take-up heavy electromagnet for vertical crane and horizontal crane |
| CN1282706A (en) * | 1999-08-03 | 2001-02-07 | 成都东方雷神标准电器有限公司 | Hoisting DC electromagnetic absorption plate used both virtically and horizontally |
| CN2419192Y (en) * | 2000-04-25 | 2001-02-14 | 大连星光电磁铁厂 | D.C electromagnet for elevating vertical or horizontal steel coils and sectional steel |
| CN201125120Y (en) * | 2007-05-21 | 2008-10-01 | 杨祖成 | High wire coil round hoisting electromagnet |
| JP4173690B2 (en) * | 2001-06-05 | 2008-10-29 | ゴス インターナショナル モンタテール ソシエテ アノニム | For water for dampening unit of offset press |
-
2007
- 2007-05-23 CN CN2007100491516A patent/CN101096261B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2335940Y (en) * | 1998-06-02 | 1999-09-01 | 潘大鸿 | Steel sheet take-up heavy electromagnet for vertical crane and horizontal crane |
| CN1282706A (en) * | 1999-08-03 | 2001-02-07 | 成都东方雷神标准电器有限公司 | Hoisting DC electromagnetic absorption plate used both virtically and horizontally |
| CN2419192Y (en) * | 2000-04-25 | 2001-02-14 | 大连星光电磁铁厂 | D.C electromagnet for elevating vertical or horizontal steel coils and sectional steel |
| JP4173690B2 (en) * | 2001-06-05 | 2008-10-29 | ゴス インターナショナル モンタテール ソシエテ アノニム | For water for dampening unit of offset press |
| CN201125120Y (en) * | 2007-05-21 | 2008-10-01 | 杨祖成 | High wire coil round hoisting electromagnet |
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| Publication number | Publication date |
|---|---|
| CN101096261A (en) | 2008-01-02 |
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Granted publication date: 20110810 Termination date: 20120523 |