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Semicircular planar rolling type trash rack

A trash rack and semi-circular technology, which is applied in the field of semi-circular plane rolling trash racks, can solve the problems of poor economy and large investment in metal structures, and achieve strong integrity, good water connectivity, and increased water-passing cross-section. Effect

Pending Publication Date: 2018-05-15
CHINA POWER CONSRTUCTION GRP GUIYANG SURVEY & DESIGN INST CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The object of the present invention is to provide a semi-circular planar rolling trash rack to solve the technical problem that a plurality of trash rack civil construction and metal structures need to be set up in the prior art, which requires a large investment and poor economic efficiency, so as to overcome the existing lack of technology

Method used

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  • Semicircular planar rolling type trash rack
  • Semicircular planar rolling type trash rack
  • Semicircular planar rolling type trash rack

Examples

Experimental program
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Effect test

Embodiment

[0037] The semi-circular planar rolling trash rack of the present invention is composed of an upper trash rack 2, a middle trash rack 3 and a lower trash rack 4 connected sequentially from top to bottom; multiple middle trash racks 3 can be used according to the height of the orifice . The sections are connected by bolts and pin shafts. Each section of the trash rack is composed of a frame 6 and a semicircular grid body 7 . The frame 6 of the middle section trash rack 3 is provided with two side posts 8, and the side post 8 is provided with a roller 9, a locking plate 10, a limit block 15 and a connecting hole 11; The friction force when the small trash rack is opened and closed; the locking plate 10 is used to lock the position of the trash rack; the limit block 15 is used to prevent the trash rack from shaking left and right when the trash rack is opened and closed; the two side columns pass through the upper beam 12 and the lower beam 13 connections. A central column 14 ...

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Abstract

The invention discloses a semicircular planar rolling type trash rack. The semicircular planar rolling type trash rack comprises an upper trash rack section (2), a middle trash rack section (3) and alower trash rack section (4) which are connected into an integer through bolts (1) from top to bottom, wherein each trash rack section is composed of a frame (6) capable of rolling up and down in a trash rack slot (5) and a semicircular grid body (7) used for blocking dirt; and each semicircular grid body is connected with an upstream surface of the corresponding frame. The semicircular planar rolling type trash rack can increase an open area by about 1.6 times, so that quantities of trash racks and grid piers are reduced, and therefore, civil engineering and metal structure investment is reduced to a greater extent. A roller bearing can be adopted to reduce opening-closing capacity of the trash rack; and in a large-orifice trash rack, opening-closing capacity is effectively reduced, so that investment is reduced.

Description

technical field [0001] The invention relates to a semicircular plane rolling trash rack, which belongs to the technical field of metal structures of water conservancy and hydropower projects. Background technique [0002] Trash rack is a kind of trash control facility commonly used in water conservancy and hydropower projects. It is usually installed at the water inlet of the power station. Vibration is strong and easy to damage. In order to solve this problem, the existing technology generally adopts the method of installing a porous trash rack inlet at each water inlet, setting a fan trash rack at each trash rack inlet, and taking water through multiple trash rack inlets. Increase the cross-section of water to reduce the flow rate through the grid. This type usually uses a mobile cleaning machine to clean the dirt and lift the grid for maintenance. The number of installations is large, the number of grid piers is also large, the investment in civil engineering and metal s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02B5/08
CPCE02B5/085
Inventor 王兴恩
Owner CHINA POWER CONSRTUCTION GRP GUIYANG SURVEY & DESIGN INST CO LTD
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