Steel-plastic composite H-beam and production method thereof

A technology of steel-plastic composite and I-shaped beams, which is applied in the direction of slender components and building components, can solve the problems of easy oxidation and corrosion of the surface, poor surface finish and high cost, and achieve light weight, low production cost and high rigidity Effect

Inactive Publication Date: 2013-12-04
索秋明
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The existing I-beams are all steel beams, which have the advantages of high strength and good bearing capacity, but their disadvantages are high cost, heavy weight, easy oxidation and corrosion on the surface, and poor surface finish

Method used

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  • Steel-plastic composite H-beam and production method thereof
  • Steel-plastic composite H-beam and production method thereof

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Embodiment Construction

[0010] With reference to the accompanying drawings, the I-beam of the present invention comprises two parallel horizontal plates 1, between which two parallel horizontal plates are connected along the length direction of the horizontal plate with two mutually symmetrical with the center line of the horizontal plate. The parallel vertical boards 2, horizontal boards and vertical boards are all steel-plastic composite boards, and the steel-plastic composite boards are made of plastic and metal mesh compounded in the plastic.

[0011] The reference raw material ratio of the plastic material of the present invention is as follows:

[0012] 20-50 wt% of flame-retardant polypropylene, 40-70 wt% of polyethylene, 0.1-0.5 wt% of foaming agent, 0.1-0.5 wt% of lubricant, 0.1-0.3 wt% of flame retardant, and 5-10 wt% of wood powder.

[0013] Since the current plastic technology is very mature, the plastic material of the present invention is not limited to the above formula.

[0014] The ...

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Abstract

The invention relates to a steel-plastic composite H-beam and a production method thereof. The H-beam comprises two mutually parallel transverse plates, and is characterized in that two mutually parallel vertical plates symmetrical along a center line of the transverse plates are connected between the two mutually parallel transverse plates along the length direction of the transverse plates, and all the transverse plates and the vertical plates are steel-plastic composite plates which are composed of plastic and metal nets composited in the plastic. The production method includes using metal strips as supporting materials to be connected into a framework in the shape of the H-beam, using metal wires for knitting metal wire net surfaces of the transverse plates and the vertical plates of the H-beam on the framework in the shape of the H-beam, using a mold for injection molding and blowing compressed air into the mold for blow molding, and cooling the outside of the mold by water. The steel-plastic composite H-beam has the advantages of high mechanical strength, large rigidity, no deformation, long service life, low energy consumption, low production cost, good surface smoothness and capability of completely substituting for a steel H-beam to serve as a bearing component.

Description

technical field [0001] The invention relates to a steel-plastic composite I-beam and a manufacturing method thereof, belonging to the technical field of building materials. Background technique [0002] I-beam is a kind of building material with a wide range of uses. Its structure is composed of two parallel horizontal plates connected by vertical plates. Its cross section is I-shaped, so it is called I-beam. The existing I-beams are all steel beams, which have the advantages of high strength and good bearing capacity, but the disadvantages of high cost, heavy weight, easy oxidation and corrosion on the surface, and poor surface finish. Contents of the invention [0003] The object of the present invention is to provide a steel-plastic composite I-beam that is light in weight, low in cost, corrosion-resistant, and has a good surface finish, and can replace the steel I-beam and its manufacturing method. [0004] Technical solution of the present invention is as follows: ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16S3/00B29C49/04B29C49/20
Inventor 索秋明
Owner 索秋明
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