CN101058389B - Lifting electromagnet for steel pipe - Google Patents
Lifting electromagnet for steel pipe Download PDFInfo
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- CN101058389B CN101058389B CN2007100491944A CN200710049194A CN101058389B CN 101058389 B CN101058389 B CN 101058389B CN 2007100491944 A CN2007100491944 A CN 2007100491944A CN 200710049194 A CN200710049194 A CN 200710049194A CN 101058389 B CN101058389 B CN 101058389B
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- steel pipe
- flexible magnetic
- supporting plate
- magnetic pole
- iron core
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Abstract
The invention relates to a trolley steel tube bundling hoisting electromagnet. The hoisting electromagnet comprises one or more actuating coil and corresponding iron core, each actuating coil and the corresponding iron core forming into a small U shape electromagnet, with the iron core being the magnetic yoke with both ends fixed to two supporting plates, whose bottom fixed with several flexible magnets, whose top end being fixed, bottom dripping loosely, flexible magnet pole sticking out the said support face, with length equal or bigger than hoisting max. steel tube radius, distance betweenthe outmost flexible magnetic poles of two support plates less than the min. steel tube bundle, with the surface coated with a layer of diamagnetic material. It can trolley the steel tube bundle withreliability, high working efficiency and low energy consumption.
Description
Technical field
The present invention relates to a kind of lifting electromagnet, especially relate to the lifting electromagnet for steel pipe that a kind of handling breaks into bundle.
Background technology
At present, after the bundled steel pipe bundle handling of steel pipe's production enterprise air exercise all adopts the steel rope pocket to hang, hook pocket with travelling crane hook again and hang the steel rope handling, pocket is hung steel rope carries whole steel pipe bundle in handling weight, pocket is hung reconciliation extension steel rope and has been taken the plenty of time in the handling process, and operation is very inconvenient, and work efficiency is very low.In order to raise the efficiency and handled easily, naturally will consider and adopt lifting electromagnet handling steel pipe bundle, yet, existing lifting electromagnet all runs into same problem when the handling steel pipe is tied, be exactly that potential drop is very big because magnetic pole is very bad with contacting of steel pipe bundle, steel pipe bundle diameter is generally bigger in addition, and lifting electromagnet can only make several steel pipes of upper epidermis of steel pipe bundle be subjected to the effect of magnetic force, and all the other steel pipes are hung by tying up the steel band pocket entirely, ties up very easy fracture of steel band during lifting.Thereby, it is generally acknowledged that lifting electromagnet is not suitable for handling steel pipe bundle.
Summary of the invention
In order to solve the deficiency in the above-mentioned technology, the objective of the invention is to overcome this technology prejudice, provide a kind of handling of reliable operation to break into the lifting electromagnet for steel pipe of bundle.
In order to solve the problems of the technologies described above, lifting electromagnet for steel pipe of the present invention 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; The length of flexible magnetic pole arrives by the distance of handling minimum gauge steel pipe bundle corresponding position greater than the supporting plate bottom surface, two outermost flexible magnetic poles of supporting plate stretch out the lifting electromagnet for steel pipe bearing surface partly, its length is greater than by the radius of handling maximum specification steel pipe bundle, and the distance between two outermost flexible magnetic poles of supporting plate is less than the diameter of minimum gauge steel pipe bundle; Each supporting plate bottom width direction has the flexible magnetic pole of a row at least; When supporting plate bottom width direction had more than the flexible magnetic pole of a row, last, the middle part outside face of outermost flexible magnetic pole were surrounded by one deck diamagnetic material; When supporting plate bottom width direction had only the flexible magnetic pole of a row, then partly last, the middle part outside face of flexible magnetic pole were surrounded by one deck diamagnetic material.
The lower end of the outermost flexible magnetic pole of each supporting plate links to each other by flexible strand mutually, each root of the flexible magnetic pole of outermost is contacted with steel pipe bundle outside face as curtain, and can touch steel pipe bundle middle level and part lower floor outside face.
Last, middle part appearance bread one deck diamagnetic material of flexible magnetic pole have guaranteed that the flexible magnetic pole of this part is only at the bottom magnetic conduction.Flexible magnetism of the present invention is magnetic conduction flexible metal rope very.
In order to protect solenoid housing, each supporting plate has a stay bearing plate near the solenoid housing place, and the bottom surface of stay bearing plate is lower than the bottom surface of solenoid housing.
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.Two outermost flexible magnetic pole magnetic conductions of supporting plate have been guaranteed.
The present invention adopts flexible magnetic pole, make flexible magnetic pole envelope by handling steel pipe bundle outside face by the excitation coil excitation, make magnetic line of force pass the upper, middle and lower part steel pipe of steel pipe bundle, tie up only pocket extension underclad portion steel pipe of steel band, thereby lifting the time is tied up steel band and phenomenon of rupture can not occurred, satisfy the requirement of handling steel pipe bundle, handling steel pipe bundle has solved the technical matters that existing lifting electromagnet is not suitable for handling steel pipe bundle safely and reliably.Adopt handling steel pipe bundle of the present invention to increase work efficiency, and safe and reliable.
Description of drawings
Be described in further detail below in conjunction with accompanying drawing and embodiments of the present invention:
Fig. 1 is the structural representation of lifting electromagnet for steel pipe of the present invention.
Fig. 2 looks scheme drawing for the left side of Fig. 1.
Fig. 3 is the A-A cross-sectional schematic.
Fig. 4 is the enforcement scheme drawing of lifting electromagnet for steel pipe handling steel pipe bundle of the present invention.
The specific embodiment
From Fig. 1-as can be known shown in Figure 4, lifting electromagnet for steel pipe of the present invention is " U " shape electromagnet, comprises 3 excitation coils 5 and cooresponding iron core 2; Iron core 2 is the yoke of " U " shape electromagnet, excitation coil housing 6 is arranged on the iron core 2, 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, each iron core 2 is identical with the polarity of same supporting plate 3 connecting places; The lower surface of each supporting plate 2 is fixed with the upper end of 200 * 6 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 each supporting plate 3 bottom surface is connected equates with three iron cores, 2 sectional area sums on the supporting plate 3, flexible magnetic pole 1 is the steel rope of Φ 10mm, and flexible magnetic pole 1 is in the magnetic saturation state; The length of flexible magnetic pole 1 greater than supporting plate 3 bottom surfaces to the distance of being tied 9 corresponding positions by handling minimum gauge steel pipe, two supporting plate 3 outermost flexible magnetic poles 1 stretch out the lifting electromagnet for steel pipe bearing surface partly, its length is greater than the radius of being tied 9 by handling maximum specification steel pipe, distance between two supporting plate 3 outermost flexible magnetic poles 1 is less than the diameter of minimum gauge steel pipe bundle 9, and the lower end of each supporting plate 3 outermost flexible magnetic pole 1 links to each other by flexible strand 10 mutually; Last, the middle part outside face of two supporting plate 3 outermost flexible magnetic poles 1 are surrounded by one deck diamagnetic material, as non-magnetic stainless steel strip; Each supporting plate 3 has a stay bearing plate 4 near solenoid housing 6 places, and the bottom surface of stay bearing plate 4 is lower than the bottom surface of solenoid housing 6, and two ends of two stay bearing plates 4 are welded the plate 7 of a diamagnetic material respectively.Hanger 8 is distributed on that symmetric position and supporting plate 3 upper surfaces are weldingly connected above the electromagnet.When lifting electromagnet for steel pipe of the present invention with contacted by handling steel pipe bundle 9 after, flexible magnetic pole 1 contacts with the outside face of steel pipe bundle 9, the outside face that flexible magnetic pole 1 and steel pipe are tied 9 upper semi-circles and part lower half circle after the energising excitation is envelope mutually, contact very good, the going up of steel pipe bundle 9, in and underclad portion steel pipe magnetic conduction, magnetic line of force passes the upper, middle and lower part steel pipe, makes its effect that is subjected to magnetic force, thereby slings steel pipe bundle 9.
The present invention is not only applicable to the steel pipe bundle that handling breaks into bundle, also is applicable to other long material of handling bundling.
This paper utilizes flexible magnetic pole handling steel pipe bundle to do abundant description to lifting electromagnet for steel pipe of the present invention; do not deviating under its invention real situation; 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 (5)
1. a lifting electromagnet for steel pipe is " U " shape electromagnet; It is characterized in that: described lifting electromagnet for steel pipe 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; The length of described flexible magnetic pole (1) arrives by the distance of handling minimum gauge steel pipe bundle (9) corresponding position greater than supporting plate (3) bottom surface, the outermost flexible magnetic poles of two supporting plates (3) (1) stretch out described lifting electromagnet for steel pipe bearing surface partly, its length is greater than being tied the radius of (9) by handling maximum specification steel pipe, and the distance between the outermost flexible magnetic poles of two supporting plates (3) (1) is less than the diameter of minimum gauge steel pipe bundle (9); Described each supporting plate (3) bottom width direction has row's flexible magnetic pole (1) at least; When described supporting plate (3) bottom width direction had more than a flexible magnetic pole of row (1), last, the middle part outside face of outermost flexible magnetic pole (1) were surrounded by one deck diamagnetic material; When described supporting plate (3) bottom width direction had only a flexible magnetic pole of row (1), then partly last, the middle part outside face of flexible magnetic pole (1) were surrounded by one deck diamagnetic material.
2. according to the described lifting electromagnet for steel pipe of claim 1, it is characterized in that: the lower end of the outermost flexible magnetic pole of described each supporting plate (3) (1) links to each other by flexible strand (10) mutually.
3. according to the described lifting electromagnet for steel pipe of claim 1, it is characterized in that: described each supporting plate (3) has been located a stay bearing plate (4) near solenoid housing (6), and the bottom surface of stay bearing plate (4) is lower than the bottom surface of solenoid housing (6).
4. according to the described lifting electromagnet for steel pipe of claim 1, 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.
5. according to the described lifting electromagnet for steel pipe of claim 1, it is characterized in that: described flexible magnetic pole (1) is magnetic conduction flexible metal rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100491944A CN101058389B (en) | 2007-05-29 | 2007-05-29 | Lifting electromagnet for steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100491944A CN101058389B (en) | 2007-05-29 | 2007-05-29 | Lifting electromagnet for steel pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101058389A CN101058389A (en) | 2007-10-24 |
| CN101058389B true CN101058389B (en) | 2011-12-14 |
Family
ID=38864717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007100491944A Expired - Fee Related CN101058389B (en) | 2007-05-29 | 2007-05-29 | Lifting electromagnet for steel pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101058389B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2147223Y (en) * | 1992-11-26 | 1993-11-24 | 营口市起重电磁铁厂 | Quick lifting dc electric magnetic iron |
| CN201056459Y (en) * | 2007-06-01 | 2008-05-07 | 杨祖成 | Steel pipe bundle hoisting electromagnet |
-
2007
- 2007-05-29 CN CN2007100491944A patent/CN101058389B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2147223Y (en) * | 1992-11-26 | 1993-11-24 | 营口市起重电磁铁厂 | Quick lifting dc electric magnetic iron |
| CN201056459Y (en) * | 2007-06-01 | 2008-05-07 | 杨祖成 | Steel pipe bundle hoisting electromagnet |
Non-Patent Citations (3)
| Title |
|---|
| JP特开平10-297867A 1998.11.10 |
| JP特开平10-316354A 1998.12.02 |
| JP特开平9-77450A 1997.03.25 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101058389A (en) | 2007-10-24 |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20111214 Termination date: 20120529 |