GB/T 26885-2025Grain and oil machinery - Sweep augers (English PDF)

1 Scope

This document specifies the working principle, model and basic parameters, technical requirements, inspection rules, marking, packaging, and transportation of spiral cleaning machines.

Storage requirements are specified, product categories are provided, and corresponding test methods are described.

This document applies to the design, manufacture, and inspection of spiral cleaning machines for removing residual materials from flat-bottomed cylindrical silos after gravity flow of grain and oil materials.

2 Normative references

The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are listed below.

For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies.

This document.

GB/T 191 Packaging and Storage Graphic Symbols

GB 2894 Safety Colors and Safety Signs

GB/T 3768 Acoustic sound pressure method for determining the sound power level and sound energy level of a noise source using a simplified measurement method based on the envelope above the reflecting surface.

Easy Method

GB/T 5226.1 Electrical Safety of Machinery - Electrical Equipment of Machinery - Part 1.General Technical Conditions

GB/T 5491 Sampling and Divided Sampling Methods for the Inspection of Grains and Oils

GB/T 5494 Grain and Oil Inspection. Inspection of Impurities and Defective Grains in Grains and Oilseeds

GB/T 9286 Paints and varnishes - Cross-cut test

GB/T 13306 Nameplates

GB 17440 Safety Specification for Dust Explosion Prevention in Grain Processing and Storage Systems

GB/T 24854 General Technical Requirements for Packaging of Grain and Oil Machinery Products

GB/T 24855 General Technical Requirements for the Assembly of Grain and Oil Machinery

GB/T 24856 General Technical Requirements for Castings of Grain and Oil Machinery

GB/T 24857 General Technical Conditions for Plate Parts and Plate-Shaped Steel Components of Grain and Oil Machinery

GB/T 25218 General Technical Requirements for Coating of Grain and Oil Machinery Products

GB/T 26632 Grain and Oil Terminology - Grain and Oil Storage Equipment and Facilities

GB/T 36139 Method for Compiling Product Model Numbers for Grain and Oil Machinery

GB 50209-2010 Code for Acceptance of Construction Quality of Building Ground Engineering

LS/T 3501.6 General Technical Requirements for Welded Components of Grain and Oil Processing Machinery

3 Terms and Definitions

The terms and definitions defined in GB/T 26632 apply to this document.

4 Working Principle

The spiral rotation transports the grain and oil materials inside the silo to the central discharge port, while the spiral cleaning machine rotates in a circular motion around the central discharge port. […]