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High-tension steel grating

A high-tensile, steel grid technology, applied in the field of grid-like grids, can solve the problems of no specific high-tensile steel, thin plate thickness, etc., to eliminate the reduction of plane retention strength, eliminate deformation problems, and avoid shedding effect

Active Publication Date: 2014-03-26
TAKARA KIZAI +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] However, this patent document 1 is only an example of the grid raw material, giving the inspiration of high-tensile steel, and does not specifically show the use of the characteristics of high-tensile steel, for example: the thickness of the plate can be reduced under the same strength , so as to obtain high-tensile steel grating with industrial value

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0044] Fig. 1 shows an embodiment of the high-tensile steel grating of the present invention, (a) is its front view (plan view), and (b) is an AA sectional view of (a). Fig. 2(a) is a sectional view of main parts showing the state of use of the high-tensile steel grating of Fig. 1 , and (b) is a BB sectional view of (a).

[0045] As shown in Figure 2(a), the high-tensile steel grid 5 is a so-called folded grid, which is used for the cover of the U-shaped ditch U of the road. In the state where the cross profile 2 does not protrude from the upper end surface of the load-bearing profile 1, the upper end side of the load-bearing profile 1 is connected by the cross profile 2 by resistance butt welding to form a lattice window W, and the ends of the load-bearing profile 1 are respectively connected by the end profile 3. both ends.

[0046] The high-tensile steel grating 5 includes the above-mentioned basic structure, especially the high-tensile steel plate is used as the raw mater...

Embodiment 2

[0065] Fig. 3 shows other embodiments of the high-tensile steel grating of the present invention, (a) is an external perspective view of its use state, (b) is a sectional view of its main part, and (c) is the C arrow direction of (b) view.

[0066] In FIG. 3( a ), the high-tensile steel grid 5A is shown as a cover of the road side ditch UA, and is installed on the grid receiving portion Ub. However, it can also be used for floors of other clean rooms or multi-storey car parks, etc., or for treads of steps.

[0067] Compared with the high-tensile steel grating 5 shown in Figures 1 and 2, its composition is different in that: the end profile 3A is supported by the grid receiving part Ub of the side ditch UA, and does not bear the load applied to the load-bearing profile 1, which is A flat profile made of general structural steel with a generally rectangular cross-section.

[0068] That is, the high-tensile steel grating 5A is characterized in that in the grating without hems, ...

Embodiment 3

[0073] Fig. 4 shows other embodiments of the high tensile steel grating of the present invention, (a) is its front view, (b) is its plan view, (c) is the DD sectional view of (b), (d) is its use The front view of the state, (e) is the side view of (d).

[0074] As shown in Figure 2(d) and (e), the high-tensile steel grid 5B is characterized in that it is used as a cover grid for the opening VA of the circular side groove V, and the load-bearing profiles except the two outer parts 1B The raw material of 1A and cross section 2A is high tensile steel. In addition, reference numeral 3B is an end profile.

[0075] That is, compared with the high-tensile grid 5 of FIG. 1, the difference lies in the aspect of the elongated opening WA for the circular side groove W in the longitudinally aligned state, and not only the load-bearing profile 1A, but also the cross profile 2A It is also a high-tensile steel with a rectangular cross-section, and a groove for inserting the cross section 2...

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Abstract

The invention specifically provides a grating with industrial value, which is made of high-tension steel, wherein an end sectional material uses a high-tension steel plate as a raw material, a vertical part, a bearing part and a supporting part are formed through the plasticity processing of the high-tension steel plate, wherein the vertical part is connected with both ends of a bearing sectional material; the bearing part is connected together with the lower end of the vertical part and used for bearing the lower sides of the two ends; and the supporting part vertically extends from the upper end of the vertical part in the opposite direction of the bearing part in a form of a right angle The bearing part and the supporting part can be used for bearing a load applied to the bearing sectional material.

Description

【Technical field】 [0001] The invention relates to the field of mechanical manufacturing, in particular to a grid-shaped grid used for covers or floors of road side ditches and the like. 【Background technique】 [0002] In the prior art, the structure of the grid used for the cover of asphalt road side ditches, etc. is to arrange the rectangular load-bearing profiles including "I"-shaped cross-sections in parallel in the upright state, and connect the upper ends of them by cross profiles to form a lattice window. . The two ends of the load-bearing profile are respectively connected by the end profile, and rainwater or sand on the road falls into the side ditch through the lattice window. [0003] Since people or vehicles often pass through the grille, in order to eliminate unevenness, the cross section bar is resistance butt welded in a state that does not protrude from the upper end surface of the load section bar relative to the load section bar. [0004] Therefore, in ord...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E03F5/06
Inventor 浅野宽荣
Owner TAKARA KIZAI
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