Manufacturing method of glass fiber reinforced plastic cover plate used for power cable tunnel
A power cable and fiberglass technology, which is applied in the field of cover plate preparation, can solve the problem that the weight of the glass steel plate cannot meet the requirements, and achieve the effects of good insulation performance, weight reduction, and rigidity
Inactive Publication Date: 2015-06-17
SHANGHAI MUNICIPAL ELECTRIC POWER CO +2
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Problems solved by technology
[0006] The applicant has chosen FRP for trial use among many materials, but to achieve the strength of the steel plate, the thickness of the FRP must be increased, and the weight of the increased FRP cannot meet the requirements
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[0022] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0023] figure 1 Among them, the technical solution of the present invention provides a method for preparing a glass fiber reinforced plastic cover plate for a power cable tunnel, including adopting a conventional glass fiber reinforced plastic production process to produce a glass steel plate, and the invention points are:
[0024] Between at least two layers of FRP 1 and 2, a layer of aluminum alloy honeycomb panel 3 is arranged;
[0025] The grid size of the aluminum alloy honeycomb panel in the length and width direction is 20mm, and the grid size in the thickness direction is 5mm;
[0026] The thickness of the glass fiber reinforced plastic layer and the thickness of the aluminum alloy honeycomb panel each account for 50%, the glass fiber reinforced plastic is in the outer layer, and the honeycomb panel is in the inner layer;
[0027] The aluminum...
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The invention provides a manufacturing method of a glass fiber reinforced plastic cover plate used for a power cable tunnel and belongs to the field of mechanical components. The method includes the steps that a glass fiber reinforced plastic plate is produced through a conventional glass fiber reinforced plastic production technology, and a layer of aluminum alloy cellular board is arranged between at least two layers of glass fiber reinforced plastic; the meshing size of the aluminum alloy cellular board is 20 mm in the direction of length and width, and the meshing size of the aluminum alloy cellular board is 5 mm in the direction of thickness; the thickness of the glass fiber reinforced plastic layers and the thickness of the aluminum alloy cellular board each account for 50%, glass fiber reinforced plastic is arranged on the outer layer, and the aluminum alloy cellular board is arranged on the inner layer; the load bearing strength of the cover plate used for the power cable tunnel is improved through an aluminum alloy enhancement layer, the special requirement of the cover plate used for the power cable tunnel is met through the low weight, the good insulation performance and the excellent corrosion resistance of the glass fiber reinforced plastic, and the requirements in actual work can be totally met.
Description
technical field [0001] The invention belongs to the field of mechanical components, and in particular relates to the preparation of a cover plate for a power cable tunnel. Background technique [0002] In the construction of the power tunnel, it is necessary to install the cable support in the tunnel with a height of 2 meters, and the construction frame needs to be installed during the construction, so the cover plate needs to be set. [0003] Said cover plate usually has the characteristics of large width and long length, and a single cover plate usually has an area of 2×3 meters or more. [0004] Originally adopt steel plate to do described panel, although it has satisfied the requirement of strength, because the weight of its single cover plate is too heavy, it is inconvenient to transport, place and overhaul. [0005] In actual work, it is urgent to use a material with the same strength as the steel plate but lighter in weight to replace the existing steel plate to ma...
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IPC IPC(8): E04G5/08B32B15/08B32B15/14B32B3/12
Inventor 蔡翊清张宇贲飞孙浩秦岭张刚强庞仲豪蒋晓东俞来意邹文中舒义
Owner SHANGHAI MUNICIPAL ELECTRIC POWER CO