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A kind of magnetic insulation pad and preparation method thereof

An insulating rubber pad and magnetic technology, applied in the field of installation and maintenance of cables or wires, can solve problems such as loss, movement, and overall movement of insulating rubber pads, and achieve the effects of easy installation and maintenance, fall prevention, and good wear resistance

Inactive Publication Date: 2017-11-10
陈炳宇
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

During equipment overhaul and maintenance operations, many parts and precision devices are often placed on the insulating rubber mat; these devices are often moved or lost due to various reasons when placed on the insulating rubber mat, and even the insulating rubber mat moves as a whole. Inspection and maintenance work brings inconvenience

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] A magnetic insulating rubber pad, comprising two upper and lower layers of rubber pads, the two layers of rubber pads are bonded by epoxy resin adhesive, one layer of rubber pads is a magnetic rubber pad, and the other layer of rubber pads is a plastic ethylene-propylene rubber pad, The magnetic rubber pad is prepared from magnetic micropowder and foamed polyurethane powder according to a weight ratio of 1:2. The magnetic micropowder is a mixture of alnico and samarium cobalt. The particle size of the magnetic micropowder is 5um. The particle size is 3um.

[0033] Its preparation method comprises the following steps:

[0034] (1) Making magnetic pads:

[0035] The magnetic material is made into magnetic powder by high energy ball milling method;

[0036] The foamed polyurethane is crushed into powder by high-energy ball milling;

[0037] Pour the magnetic micropowder and foaming polyurethane powder into the container, and use the air jet gun to introduce high-pressur...

Embodiment 2

[0042] A magnetic insulating rubber pad, comprising vinyl silicone rubber, magnetic rubber pad and plastic ethylene-propylene rubber rubber pad bonded by epoxy resin adhesive from bottom to top, the preparation method is as follows:

[0043] (1) Make a magnetic gasket:

[0044] The magnetic material is made into magnetic powder by ultrasonic waves, and the particle size of the magnetic powder is 0.5um;

[0045] The foamed polyurethane is crushed into powder by jet milling method, and the particle size is crushed to 2um;

[0046] Pour the magnetic micropowder and foaming polyurethane powder into the container according to the weight ratio of 1:4, and use a paint spray gun to pass 0.2-0.5Mpa high-pressure air into the container to make the magnetic micropowder and foaming polyurethane powder rise in the container, Then spray the atomized epoxy resin adhesive into the container to make the surface of the magnetic micro-powder and foamed polyurethane powder wet evenly by the adhe...

Embodiment 3

[0052] Present embodiment is identical with embodiment 1 structure and preparation method except following feature:

[0053] The magnetic rubber pad is prepared from magnetic micropowder and foamed polyurethane powder according to the weight ratio of 1:3, and the magnetic micropowder is ferrite permanent magnet, alnico, samarium cobalt or neodymium iron boron according to the weight ratio of 2:4:2 : 4 ratio mixing, the particle size of the magnetic powder is 4um, and the particle size of the foamed polyurethane powder is 2um.

[0054] The magnetic insulating rubber pad prepared by the present invention is odorless, tasteless, colorless, non-toxic, has outstanding strength, toughness and insulation, and its insulation performance is 12% higher than that of ordinary vinyl silicone rubber pads. There was no breakdown in the test, meeting the requirements of the HG2949-1999 "Electrical Insulation Rubber Sheet" standard. The flexibility is 26% higher than that of ordinary vinyl si...

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Abstract

The invention discloses a magnetic insulating rubber cushion and a preparation method thereof, and belongs to the field of special cable or wire installation and maintenance methods. The magnetic insulating rubber cushion and the preparation method solve the problems that an existing insulating rubber cushion has no magnetism and can not fix small parts. The magnetic insulating rubber cushion at least comprises an upper rubber cushion body and a lower rubber cushion body which are bonded through adhesives, wherein at least one of the rubber cushion bodies is a magnetic rubber cushion body, and each magnetic rubber cushion body is prepared from magnetic micropowder and foaming polycurethane powder according to the weight ratio of 1 to 2-4. The prepared magnetic insulating rubber cushion has certain magnetism, small tools such as iron screws can be attracted to the rubber cushion when the rubber cushion needs to be used for installation or overhaul devices, and especially during high-place operation, the small tools can be prevented from falling, and installation and overhaul can be more convenient.

Description

technical field [0001] The invention relates to the field of methods dedicated to installing and maintaining cables or wires, in particular to a magnetic insulating rubber pad and a preparation method thereof. Background technique [0002] At present, insulating rubber mats are often used in the repair and maintenance of equipment in industries such as electric power and machinery. During equipment overhaul and maintenance operations, many parts and precision devices are often placed on the insulating rubber mat; these devices are often moved or lost due to various reasons when placed on the insulating rubber mat, and even the insulating rubber mat moves as a whole. Inspection and maintenance work brings inconvenience. Contents of the invention [0003] In order to solve the above-mentioned problems, the present invention provides a magnetic insulating rubber pad and a preparation method thereof, which are used for absorbing and fixing components, and provide convenience ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L75/04C08K3/22C08K3/08B32B7/14B32B25/04
Inventor 陈炳宇
Owner 陈炳宇
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