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Nodular cast iron and steel fiber well grate

A technology of ductile iron and steel fiber, which is applied to waterway systems, drainage structures, water supply devices, etc., and can solve problems such as insufficient strength of well grates, potential safety hazards for vehicles and pedestrians, and damage

Inactive Publication Date: 2015-03-25
韩子辉
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the loss of cast iron well grates used on urban streets and highways is very common. The strength of other materials is not strong enough, and the damage is very serious, which brings great safety hazards to vehicles and pedestrians, and the situation of being injured and disabled happens sometimes

Method used

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  • Nodular cast iron and steel fiber well grate
  • Nodular cast iron and steel fiber well grate
  • Nodular cast iron and steel fiber well grate

Examples

Experimental program
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Effect test

preparation example Construction

[0015] Preparation steps of the present invention

[0016] 1. First add 10-20kg of cement, 10-30kg of sand, and 10-35kg of crushed stone into the mixer;

[0017] 2. After stirring the dry material evenly, add 0.5-3kg of steel fiber and stir again;

[0018] 3. After stirring evenly, add 2-4kg of water and stir for 5-10 minutes to obtain steel fiber concrete material;

[0019] 4. Put the mold on the vibration table at the upper end of the vibrating machine, put the cast ductile iron integrated well grate skeleton into the mold, and fill the steel fiber concrete material into the mold equipped with the ductile iron integrated well grate skeleton In the middle, the vibrating plate is vibrated for 1-3 minutes. After forming, the pattern is printed, artificially polished, and demoulded.

[0020] The invention has the characteristics of high overall strength, large bearing capacity, good stability and anti-fatigue performance, reliable use, long service life and low price. Its appe...

specific Embodiment approach

[0022] Figure 1-5 The ductile iron integrated well grate framework shown in , is composed of a frame, horizontal ribs and vertical ribs. The frame 1 is provided with horizontally arranged horizontal ribs 4 and vertically arranged vertical ribs 6. The height at the center of the bottom ends of the horizontal ribs and vertical ribs It is higher than the height of the edge of the frame, extending downwards from the edge of the frame, protruding and intersecting each other in the frame. The upper and lower ends of the type well grate frame are filled with steel fiber concrete, and the steel fiber concrete and the ductile iron integrated well grate frame are combined and solidified into one. The lower end surface of the shaft is provided with a downwardly protruding convex bottom 7 made of steel fiber concrete. The steel fiber concrete convex bottom matches the horizontal ribs 4 and vertical ribs 6 of the ductile iron integrated well grate skeleton, and is wrapped in a ductile iro...

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Abstract

The invention discloses a nodular cast iron and steel fiber well grate which is manufactured by combined processing of an integrated nodular cast iron well grate skeleton and steel fiber reinforced concrete. A cohesive force is very high after pouring is conducted on the steel fiber reinforced concrete and the integrated nodular cast iron well grate skeleton; the integrated nodular cast iron well grate skeleton is arranged in a steel fiber reinforced concrete well grate, and wrapped with the steel fiber reinforced concrete; the edge of a well mouth of the well grate is wrapped with an integrated nodular cast iron well grate skeleton frame; and the overall strength of the well grate is ensured effectively. The nodular cast iron and steel fiber well grate has the characteristics of high overall strength, high bearing capacity, good stability and fatigue resistance, reliability in use, long life, low price and the like; an appearance of the nodular cast iron and steel fiber well grate is similar to a cement product; the nodular cast iron and steel fiber well grate has no recycling value after being recovered; and therefore, theft is not required to be worried, and the nodular cast iron and steel fiber well grate is an ideal updating product that eliminates a city trap and renews the well grates made of other materials.

Description

technical field [0001] The invention relates to a well grate, specifically a well grate prepared by combining a nodular cast iron integrated well grate skeleton and steel fiber concrete. Background technique [0002] At present, the loss of cast iron well grates used on urban streets and highways is very common. The strength of other materials is not strong enough, and the damage is very serious, which brings great safety hazards to vehicles and pedestrians, and the situation of being injured and disabled happens sometimes. Contents of the invention [0003] Therefore, people have a great demand for anti-theft well grates with high bearing pressure. So far, no relevant reports about the present invention have been found. Type well grate framework and the anti-theft well grate that steel fiber concrete prepares, thereby completed the present invention. [0004] The object of the present invention is to provide a kind of anti-theft well grate with large bearing capacity pr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E03F5/06C04B28/00C04B14/48
Inventor 韩子辉
Owner 韩子辉