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Sector yoke permanent magnet crane

A magnetic yoke and fan-shaped technology, which is applied in the direction of load hanging components, transportation and packaging, etc., can solve the problems of difficult manufacturing, high cost, and reduced weight-absorbing capacity of permanent magnet lifting

Inactive Publication Date: 2016-08-24
FUJIAN FUKUN SHUIJINGHUA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

ZL94104385·1 Disc Small Corner Permanent Magnet Crane, all its yoke irons are processed from a whole, larger A3 steel disc; such a large workpiece is complicated to process, difficult to manufacture, and high in cost
More importantly, at the center of the large yoke disc, the magnetic force lines of every two adjacent yoke irons form a circular loop, resulting in a short circuit of the magnetic force lines, see Figure 4 The magnetic force line circuit 26 composed of the magnetic force lines will generate a large amount of magnetic loss, which will seriously affect the weight-absorbing ratio of the permanent magnet crane, and greatly reduce the weight-absorbing capacity of the permanent magnet crane.

Method used

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  • Sector yoke permanent magnet crane
  • Sector yoke permanent magnet crane
  • Sector yoke permanent magnet crane

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] see figure 1 . figure 1 It is a schematic diagram of the main structure of the sector yoke iron permanent magnet suspension of the present invention. figure 1 Among them, 1 is the central shaft, 2 is the hexagonal nut of the central shaft, 3 is the small round cake in the center of the upper yoke disc, 4 is the thrust bearing, 5 is the hexagonal nut at the bottom of the central shaft 1, 7 is the upper cover of the shell, and 9 is The upper rare earth permanent magnet strip, 8 is the rare earth permanent magnet strip pressing plate, 15 is the small round cake in the center of the lower yoke disc, 9a is the lower rare earth permanent magnet strip, 14 is the non-ferromagnetic material filler, and 28 is the small round cake in the center of the lower yoke disc. The inner hexagonal positioning groove on the bottom surface of the round cake 15, the 13 is the outer casing made of non-ferromagnetic material (such as 306 stainless steel), the 12 is the suspension ring, the 2...

Embodiment 2

[0039] refer to figure 2 . On the basis of embodiment 1, figure 2 is a schematic diagram of the bottom surface of the lower magnetic yoke disc of the present invention, figure 2 Among them, 17 is a fan-shaped yoke iron connecting plate, and 18 is a connecting plate screw. The fan-shaped yoke iron connecting plate 17 is used to reinforce the two adjacent fan-shaped yoke irons. In order to ensure the stability between the adjacent two lower fan-shaped yoke irons 16a, a high-strength 306 stainless steel plate must be used, and the connecting plate screws 18 The connection is firm.

Embodiment 3

[0041] refer to image 3 . image 3 Expressed in is the installation schematic diagram of the upper and lower two yoke disc structures. image 3 The connection and assembly structures of the upper and lower yoke disc center small discs 3, 15 and their corresponding upper and lower fan-shaped yoke irons 16, 16a are given. image 3 Among them, 2 is the hexagonal nut of the central shaft, 30 is the flat head bolt (only one is drawn), 31 is the circular upper pressing plate of the upper yoke disc, 32 is the circular lower pressing plate of the upper yoke disc, and 33 is the lower The circular upper pressing plate of the yoke disc, 34 is the circular lower pressing plate of the lower yoke disc.

[0042] The small round cake 3 in the center of the upper yoke disk of the present invention and the upper fan-shaped yoke iron 16 are firmly integrated into one body, and the mode of welding cannot be adopted. Because the fan-shaped yoke iron is pure iron or a material with good ferroma...

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PUM

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Abstract

The invention discloses a fan-shaped magnet yoke permanent magnetic crane which belongs to the technical field of permanent magnet lifting equipment. The fan-shaped magnet yoke permanent magnetic crane structure comprises an upper magnetic yoke disk and a lower magnetic yoke disk which are installed on a central shaft (1) and can relatively rotate, the magnetic yoke disk comprises fan-shaped magnet yoke irons (16, 16a) and rare earth permanent magnetic bars (9, 9a), the center of the upper magnetic yoke disk and the lower magnetic yoke disk are respectively provided with coaxial magnetic yoke disk center small round cakes (3, 15) made of a non ferromagnetic material, a thrust bearing(4) is installed between the magnetic yoke disk center small round cakes (3, 15) of the upper magnetic yoke disk and the lower magnetic yoke disk, and the height of the lower rare earth permanent magnetic bar(9a) is less than the height of the upper rare earth permanent magnetic bar (9). The independent fan-shaped magnet yoke irons (16, 16a) are respectively in solid connection with the center small round cakes (3, 15) by circular press plates (31, 32, 33, 34) and a flat head bolt (30). The fan-shaped magnet yoke permanent magnetic crane eliminates the magnetic line short circuit, improves the permanent magnetic crane lifting ratio; and due to no residual magnetism after unloading, a very small iron magnetic material may not retained.

Description

technical field [0001] The invention relates to the technical field of permanent magnet heavy-absorbing hoisting and transporting ferromagnetic heavy objects, and relates to a permanent magnet hoisting sector magnetic yoke iron. Background technique [0002] Existing magnetic weight-absorbing equipment has two major categories of electromagnetic and permanent magnet. Electromagnetic weight-absorbing equipment mainly relies on energized excitation to achieve the purpose of absorbing heavy ferromagnetic objects. Once this kind of equipment leaves electricity, just can't work, and consumes a lot of power, the continuous rate of coil overheating and weight absorption is only about 30%, and its supporting equipment is complex and heavy, difficult to maintain, and the cost of the whole machine is also high. If there is a sudden power failure or electrical equipment failure during work, the electromagnet will lose its magnetism, and even cause accidents such as falling and damagin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B66C1/04
CPCB66C1/04
Inventor 关品三洪淑丽王锡富洪坤泉
Owner FUJIAN FUKUN SHUIJINGHUA