Trench steel cover board component

Abstract

The invention discloses a trench steel cover plate component, which comprises a corner protector and a cover plate which is arranged on the corner protector and is characterized in that: the corner protector is a sunk corner protector; the sinking height of the corner protector is equivalent to the thickness of the cover plate; the corner protector is a group of angle irons which are respectively fixed on the trench surface and the subsidence surface; the cover plate comprises two supports which are arranged on the corner protector, two ribbon strips which are connected with the supports, and a top plate which is fixed on the supports and the ribbon strips; the top plate is provided with a key hole the lower part of which is provided with a collection box; a drainage hole is arranged on the collection box; and the collection box is movably connected with the top plate or a bottom plate or a side plate of the collection plate is detachably connected with other parts at the bottom of the collection box. The trench steel cover plate component can guarantee that the cover plate is parallel to the ground, has good bending rigidity, flexural capacity and surface evenness, and has low steel amount. Moreover, the cover plate is convenient to open and reset, and dust and small sundries falling from the key hole can be collected.

Description

technical field [0001] The invention relates to a structure, in particular to a trench steel cover plate assembly. Background technique [0002] In industrial buildings, trench steel cover plates are widely used in large quantities, and the steel cover plates are generally manufactured by the construction unit according to the drawings provided by the design unit. Except for individual calculations and designs by the design unit, it is mainly based on the national building standard design drawings. It is directly selected from the collection "Trench and Cover Plate" (02J331), such as figure 1 , 2, where A steel cover, B corner piece, C anchor bar, D trench side wall. After many years of extensive use, it was found that there are many problems and deficiencies in the steel cover plate of the national standard map: the corner guards are flush with the top surface of the floor, and the cover plate should be higher than the floor and the thickness of the roof plate, which is ea...

AI Technical Summary

Problems solved by technology

After many years of extensive use, it was found that there are many problems and deficiencies in the steel cover plate of the national standard map: the corner guards are flush with the top surface of the floor, and the cover plate should be higher than the floor and the thickness of the roof plate, which is easy to trip and fall. Personnel; the flatness of the top plate is insufficient, and the bottom surface of the support area is not in sufficient contact with the corner protectors, resulting in the cover plate tilting, and when the staff walks on it, there will be "gudong, gudong" noises, which will also make people feel unsafe; The flatness of the top plate of a single cover plate is insufficient, and the elevation difference of the top surface of the roof plate between the cover plates is large, resulting in a sense of undulation of "one foot deep and one foot shallow" when the staff walks on it; the cover plate is in contact with the top plate of the cover plate The edges are uneven, resulting in too large gaps between the cover plates, and dust and small debris on the floor are easy to fall into the ditch; It is easy to be scratched and injured; the 22mm diameter round hole set on the top plate cannot be used together with the special tool for opening the cover plate, which brings inconvenience to the staff when opening and resetting the cover plate; the cover plate is manufactured by the construction unit, and the manufacturing level between the construction units ( Including the professional quality of technicians, manufacturing equipment, etc.) are uneven, resulting in large differences in the quality of the cover; in addition, the manufacture of the cover cannot be specialized, large-scale and commercialized, making the difference between a single cover too large Large, unsatisfactory in use and appearance

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