Support-truss structure supporting coal hopper

Abstract

The invention discloses a support-truss structure for supporting a coal bucket. The support-truss structure comprises frame beams, frame columns and an intra-column support, wherein the frame beams comprise a coal bucket supporting beam, a belt layer supporting beam and a middle beam, and the middle beam is arranged between the coal bucket supporting beam and the belt layer supporting beam; the frame columns and the frame beams are mutually vertically connected, the intra-column support is arranged between the coal bucket supporting beam and the middle beam and / or between the middle beam and the belt layer supporting beam, and the coal bucket supporting beam, the middle beam, the belt layer supporting beam and the intra-column support form the truss structure. The support-truss structure for supporting the coal bucket, which is disclosed by the invention, has the large vertical bearing force and also has enough horizontal rigidity so as to be completely capable of meeting the requirements of a structure system on resisting horizontal loads (such as earthquake and wind load).

Description

technical field [0001] The invention relates to a coal hopper support structure between coal bunkers in a coal-fired power plant, in particular to a support-truss structure for supporting a coal hopper. Background technique [0002] The coal hopper of the large-capacity power plant has a total weight of more than 1,000 tons when fully loaded, and is located at an elevation of about 35m between the coal bunkers of the main workshop. [0003] In the main factory building with traditional steel structure, the method of supporting the coal scuttle is to use large cross-section steel beams, and high-strength steel may be used to further increase the bearing capacity of the components. This single component with a large bearing capacity can bear the large load of the coal scuttle . For such a supporting structure with local heavy loads, the traditional method has many disadvantages, including: ① The structural system is unreasonable, and the huge beam end bending moment is direct...

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Problems solved by technology

For such a supporting structure with local heavy loads, the traditional method has many disadvantages, including: ①The structural system is unreasonable, and the huge beam end bending moment is directly transmitted to the column, which is very unfavorable to the local strength and overall stability of the column, resulting in The design is difficult, ②It is unfavorable for earthquake resistance, the beam stiffness is too large, even much greater than the column stiffness, forming a "strong beam and weak column", which completely does not meet the requirements of "strong columns are like beams" in the seismic conceptual design, resulting in uncoordinated structural systems, ③ The cost is high, the amount of steel used for large cross-section components is large, and the price of high-strength steel is high, which increases the cost of the main workshop

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