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Hanging floating type trash holding device

A floating and trash rack technology, applied in the field of metal structures of water conservancy and hydropower projects, can solve the problem of easy jamming of trash racks, and achieve the effects of less investment, convenient installation, maintenance, and convenient cleaning and maintenance.

Active Publication Date: 2018-03-06
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

The device has the characteristics of self-floating, and is suspended and fixed by steel wire ropes. It does not need to set trash rack slots, which can solve the problem that the existing trash racks are easy to jam during operation.

Method used

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  • Hanging floating type trash holding device
  • Hanging floating type trash holding device
  • Hanging floating type trash holding device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0035] Suspension floating type trash arresting device of the present invention, as Figure 1-6 As shown, it consists of a group of trash-blocking units suspended on the hinge seats 05 on both sides of the forebay 01 of the non-pressure diversion hydropower station or the outlet of the grit chamber through the steel wire rope 04, and the trash-stopping unit is fixed on the hinges on both sides of the outlet end through the steel wire On the seat 05, the upper part of the trash blocking unit is a floating assembly 10, and the floating assembly 10 includes a cuboid frame 11, which is welded by angle steel. Plastic foam 12 is placed in the cavity of cuboid frame 11, and plastic foam 12 is sealed by angle steel or round steel 10 welded on cuboid frame 11 around, to prevent plastic foam 12 from protruding from around cuboid frame 11. The lower part of the rectangular parallelepiped frame 11 is sealed by the supporting angle steel 21 on the top of the trash rack assembly 20 to preve...

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Abstract

The invention discloses a hanging floating type trash holding device. The hanging floating type trash holding device comprises a group of trash holding units which are hung on hinged supports on the two sides of the outlet end of a non-pressure diversion type power station forebay or a desilting basin through a steel wire rope, and the trash holding units are composed of floating assemblies and trash rack assemblies; the trash rack assemblies comprise ladder-shaped frames which are formed through welding supporting angle steel, vertical ribs and transverse ribs and are used for fixing verticalgrid rods; one group of the vertical grid rods parallelly arranged at equal intervals are welded on the ladder-shaped frames; the floating assemblies comprise cuboid frames; plastic foam is arrangedin cavities of the cuboid frames; one group of U-shaped bolts are arranged on the floating assemblies; and after the steel wire rope penetrates through the group of U-shaped bolts, the back end is connected with the hinged supports on the two sides of the outlet end of the non-pressure diversion type power station forebay or the desilting basin. According to the hanging floating type trash holdingdevice, grooves do not need to be formed in a trash rack pier, jamming is avoided during operation, bearing load of the trash holding units is relatively small, self weight is relatively light, investment is relatively small, and mounting, decontamination, overhauling and maintenance are relatively convenient.

Description

technical field [0001] The invention relates to a suspended and floating trash-stopping device, 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 hydropower projects. It consists of two parts: grid leaves and grid slots. According to the connection mode of grid leaves and grid slots, there are generally two types: fixed type and movable type. Trash racks are used for water diversion channels with less dirt and easy maintenance, such as trash racks at the inlet and outlet of the upper and lower reservoirs of pumped storage power stations, etc. The movable trash rack can be adapted to various types of Water conservancy and hydropower projects, therefore, have a wide range of applications. [0003] For the movable trash rack, it is usually necessary to set the fixed limit of the trash rack slot, and use the opening and closing equip...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02B15/06E02B5/08
CPCE02B5/085E02B15/06Y02E10/20
Inventor 王兴恩王勇谭守林
Owner CHINA POWER CONSRTUCTION GRP GUIYANG SURVEY & DESIGN INST CO LTD
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