CN101037171B - Lifting electro-magnet for lifting circular-section long material - Google Patents
Lifting electro-magnet for lifting circular-section long material Download PDFInfo
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- CN101037171B CN101037171B CN200710048917A CN200710048917A CN101037171B CN 101037171 B CN101037171 B CN 101037171B CN 200710048917 A CN200710048917 A CN 200710048917A CN 200710048917 A CN200710048917 A CN 200710048917A CN 101037171 B CN101037171 B CN 101037171B
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- flexible metal
- magnetic pole
- lifting
- metal band
- long material
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Abstract
The invention discloses a hoisting electromagnet, especially a hoisting electromagnet for hoisting a long product with a circular section. The hoisting electromagnet is U-shaped or E-shaped, at leastone vertical cavity is arranged in each magnetic pole along the length direction, each cavity is provided with a guide post capable of moving upward and downward in the cavity; a magnetoconductive flexible metal tape is arranged on the bottom of each magnetic pole along the length direction, two ends of the flexible metal tape fixedly connect with two ends of the magnetic pole bottom along the length direction respectively, the central upsides of the segments of the flexible metal tape fixedly connect with bottoms of corresponding guide posts respectively according to length ratio, two ends ofthe magnetic pole bottom along the length direction are fixedly connected by a short flexible metal tape respectively, the upper end of the short flexible metal tape is fixed and the lower end of theshort flexible metal tape droops freely. The invention can hoist steel pipe safely and reliably, and has a simple structure.
Description
Technical field
The present invention relates to a kind of lifting electromagnet, especially relate to a kind of lifting electromagnet of handling circular-section long material, as the lifting electromagnet of handling steel pipe, circle base and pole.
Background technology
Steel pipe's production enterprise is that single steel pipe or many steel pipes generally all adopt the steel rope pocket to hang the back handling to the handling of steel pipe, and work efficiency is low; Idol has the handling of the lifting electromagnet of employing, and the field structure of used lifting electromagnet generally has two kinds, and a kind of is the lifting electromagnet of band detachable pole, and another kind is a lifting electromagnet of not being with detachable pole.Its magnetic pole end face of lifting electromagnet with detachable pole is not a plurality of circle-arc tooths, to the steel pipe of a certain specification envelope preferably, thereby the increase steel pipe contacts with magnetic pole, help lifting electromagnet lifting steel pipe, but can not envelope for the steel pipe of other specification, at this moment steel pipe can only be that a line contacts with magnetic pole, be difficult to normal lifting steel pipe, sometimes steel pipe occurs and fall phenomenon in handling, and this lifting electromagnet needs very big a.t., energy consumption is very big; And the electromagnet of band detachable pole at work, and detachable pole contacts with the line of magnetic pole to a certain degree having increased steel pipe, helps lifting electromagnet lifting steel pipe, yet, detachable pole is limited to the area of contact that improves steel pipe and magnetic pole, simultaneously, because detachable pole structure relative complex, strengthened the weight of electromagnet, sometimes the detachable pole that has can occur stuck, can not move up and down, and causes work unreliable, same this lifting electromagnet also needs very big a.t., and energy consumption is also very big.Utilize these lifting electromagnet handling circle bases, the such circular-section long material of pole, also have same problem.Thereby, it is generally acknowledged that lifting electromagnet should not be used for circular-section long materials such as handling steel pipe, circle base and pole.
Summary of the invention
In order to solve the deficiency in the above-mentioned technology, the purpose of this invention is to provide the lifting electromagnet of a kind of reliable operation and handling circular-section long material simple in structure.
In order to solve the problems of the technologies described above, lifting electro-magnet for lifting circular-section long material of the present invention for " U " shape or " E " electromagnet, comprises magnetic pole, yoke, excitation coil; Has a vertical cavity on the length direction of each magnetic pole at least, this cavity runs through the bottom of magnetic pole, a guidepost is housed in each cavity, the vertical section of guidepost is a T-shape, a baffle plate with holes is equipped with in the bottom of each cavity, guidepost one end stretches out from the hole of baffle plate, and guidepost can move up and down in cavity, and the length that guidepost stretches out the magnetic pole bottom equals by 4/5 of handling maximum specification circular-section long material radius; The flexible metal band that one magnetic conduction is arranged on the bottom lengths direction of each magnetic pole, the two ends of this flexible metal band are connected with the two ends of magnetic pole bottom lengths direction respectively, the central upside of flexible metal band is connected with cooresponding each guidepost bottom respectively by length ratio, the length of flexible metal band greater than every minimum gauge circular-section long material semicircle arc length of described lifting electro-magnet for lifting circular-section long material institute energy handling close 4/5; Magnetic pole bottom lengths direction two ends also are fixed with a short flexible metal band respectively, and short flexible metal strip length is greater than the radius of maximum specification circular-section long material, and the two ends of this weak point flexible metal band are fixed, and central authorities are free sagging.
The bottom surface of each magnetic pole is the plane, or the bottom surface of each magnetic pole length direction a groove is arranged; The height of groove equals the thickness of flexible metal band, and width is greater than the width of flexible metal band, and the axis of cavity (3) is vertical and crossing with the line of centers of groove (9), and uniform along the length direction of magnetic pole.
Owing to adopted the flexible metal band, guidepost tangles the flexible metal band structure, the flexible metal band can keep being connected and contacting on the one hand with magnetic pole under the effect of guidepost, can contact with circular-section long material well again on the other hand, at magnetic pole and flexible metal band with after circular-section long material contacts, the circular surfaces that the excitation coil excitation makes flexible metal band and circular-section long material is envelope well, increased contacting of magnetic pole and circular-section long material, increased magnetic force to circular-section long material, improved the handling ability, thereby handling circular-section long material reliably.For the circular-section long material of different size, the flexible metal band under the excitation effect can both with circular-section long material envelope well, so the present invention satisfies the needs of handling different size circular-section long material.And because of under same a.t. condition, handling ability of the present invention increases, so required energy consumption is lower.And the present invention also has characteristic of simple structure.
Description of drawings
Be described in further detail below in conjunction with accompanying drawing and embodiments of the present invention:
Fig. 1 is the scheme drawing of lifting electro-magnet for lifting circular-section long material of the present invention.
Fig. 2 is the A-A generalized section of " E " shape electromagnet for lifting electro-magnet for lifting circular-section long material of the present invention.
Fig. 3 implements scheme drawing for lifting electro-magnet for lifting circular-section long material of the present invention.
The specific embodiment
From Fig. 1, as can be known shown in Figure 2, lifting electro-magnet for lifting circular-section long material of the present invention is " U " shape or " E " electromagnet, preferred " E " electromagnet of the present invention, the long 1800mm of each magnetic pole 8, the bottom surface both can be the plane, also a groove 9 can be arranged at the length direction of bottom surface, the preferred magnetic pole 8 bottom surface length directions of the present invention have a groove 9, groove 9 is trapezoidal, highly be 10mm, going up wide is 32mm, wide down is 40mm, uniform 20 vertical cavitys 3 on the line of centers of groove 9, this cavity 3 runs through the bottom of magnetic pole 8, the guidepost 2 that in the cavity 3 vertical section to be housed be T-shape, each cavity 3 is packed into behind the guidepost 2, adorn a baffle plate 4 with holes in its bottom, guidepost 2 lower ends are stretched out from the hole of baffle plate 4, and can in cavity 3, move up and down, the length that guidepost 2 stretches out magnetic pole 8 bottoms is 110mm, the bottom lengths direction of each magnetic pole 8 is installed the flexible metal band 1 of a long 2800mm magnetic conduction, this flexible metal band 1 is made up of 3 ф 10mm steel ropes that are woven in a plane, and the two ends of flexible metal band 1 are connected with strap clamp with the two ends of magnetic pole 8 bottom lengths directions respectively, flexible metal band 1 is divided into 21 sections, the upside at every section two ends is connected with cooresponding two guidepost 2 bottoms respectively, the two ends of magnetic pole 8 length directions also are fixed with the short flexible metal band 5 that a sagging length is 150mm with strap clamp respectively, one end of this weak point flexible metal band 5 is fixed on the next door of outermost guidepost 2 with strap clamp, and the other end is fixed on the termination of magnetic pole 8, and it is free sagging that central authorities are.
By shown in Figure 3, to establish by the minimum gauge steel pipe 7 of handling and be ф 159mm, maximum specification steel pipe 7 is ф 273mm, the steel pipe 7 of 11 minimum gauge of multipotency handling of the present invention then, the steel pipe 7 of 6 maximum specification of handling; Owing on each magnetic pole 8 20 guideposts 2 are arranged, and flexible metal band 1 is divided into 21 sections, the steel pipe 7 of just in time corresponding 11 minimum gauge, distance between per two adjacent guideposts 2 is attached thereto the length of the one section flexible metal band 1 that connects for a short time simultaneously, the flexible metal bands 1 that two adjacent guideposts 2 link to each other are that outstanding to connect shape sagging, its length is 133mm, when electromagnet contacts with steel pipe 7, there are 10 guideposts 2 to be pushed up back magnetic pole 8 by steel pipe 7, all the other 10 guideposts 2 lay respectively between 11 steel pipes, so after the excitation coil excitation, flexible metal band 1 is every steel pipe of envelope 7 well, and outermost two steel pipe 7 outsides have significantly been increased the magnetic conduction face by short flexible metal band 5 envelopes, increased the magnetic force to steel pipe 7, the handling steel pipe 7 reliably.Steel pipe 7 for other bigger specification, between per two steel pipes 7, have two guideposts 2 at least, be that each root steel pipe 7 both sides has three guideposts 2 at least, in like manner, after the excitation coil excitation, every steel pipe 7 is all by flexible metal band 1 and short flexible metal band 5 envelope well, thereby also handling steel pipe 7 reliably.
The lifting electromagnet of a steel pipe of handling, each magnetic pole 8 has only a guidepost 2.
Handling circle base of the present invention and bar are identical with the embodiment of handling steel pipe.
During withdraw from use,, injury-free with protection flexible metal band 1 and short flexible metal band 5 with the back-up block 6 on the stent support lifting electro-magnet for lifting circular-section long material.
Claims (4)
1. a lifting electro-magnet for lifting circular-section long material for " U " shape or " E " shape electromagnet, comprises magnetic pole, yoke, excitation coil; It is characterized in that: have a vertical cavity (3) on the length direction of described each magnetic pole (8) at least, this cavity (3) runs through the bottom of magnetic pole (8), a guidepost (2) is housed in each cavity (3), the vertical section of guidepost (2) is a T-shape, a baffle plate (4) with holes is equipped with in the bottom of each cavity (3), guidepost (2) one ends stretch out from the hole of baffle plate (4), guidepost (2) can move up and down in cavity (3), and the length that described guidepost (2) stretches out magnetic pole (8) bottom equals by 4/5 of handling maximum specification circular-section long material (7) radius; The flexible metal band (1) that one magnetic conduction is arranged on the bottom lengths direction of each magnetic pole (8), the two ends of this flexible metal band (1) are connected with the two ends of magnetic pole (8) bottom lengths direction respectively, the central upside of flexible metal band (1) is connected with cooresponding each guidepost (2) bottom respectively by length ratio, the length of described flexible metal band (1) greater than every minimum gauge circular-section long material (7) the semicircle arc length of described lifting electro-magnet for lifting circular-section long material institute energy handling close 4/5; Magnetic pole (8) length direction two ends also are fixed with a short flexible metal band (5) respectively, and described short flexible metal band (5) length is greater than the radius of maximum specification circular-section long material (7), and the two ends of this weak point flexible metal band (5) are fixed, and central authorities are free sagging.
2. according to the described lifting electro-magnet for lifting circular-section long material of claim 1, it is characterized in that: described cavity (3) is uniform along the length direction of magnetic pole (8).
3. according to the described lifting electro-magnet for lifting circular-section long material of claim 1, it is characterized in that: the bottom surface of described each magnetic pole (8) is the plane.
4. according to the described lifting electro-magnet for lifting circular-section long material of claim 1, it is characterized in that: the bottom surface of each magnetic pole (8) length direction a groove (9) is arranged, the height of described groove (9) equals the thickness of flexible metal band (1), width is greater than the width of flexible metal band (1), and the axis of described cavity (3) is vertical and crossing with the line of centers of groove (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710048917A CN101037171B (en) | 2007-04-20 | 2007-04-20 | Lifting electro-magnet for lifting circular-section long material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710048917A CN101037171B (en) | 2007-04-20 | 2007-04-20 | Lifting electro-magnet for lifting circular-section long material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101037171A CN101037171A (en) | 2007-09-19 |
| CN101037171B true CN101037171B (en) | 2010-05-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200710048917A Expired - Fee Related CN101037171B (en) | 2007-04-20 | 2007-04-20 | Lifting electro-magnet for lifting circular-section long material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101037171B (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 |
| CN201016078Y (en) * | 2007-03-01 | 2008-02-06 | 杨祖成 | Circular section long material hoisting electromagnet |
-
2007
- 2007-04-20 CN CN200710048917A patent/CN101037171B/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 |
| CN201016078Y (en) * | 2007-03-01 | 2008-02-06 | 杨祖成 | Circular section long material hoisting electromagnet |
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| Publication number | Publication date |
|---|---|
| CN101037171A (en) | 2007-09-19 |
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Granted publication date: 20100519 Termination date: 20120420 |