ISO 19426-7:2021 Structures for mine shafts —Part 7: Rope guides
标准简介
Structures for mine shafts —Part 7: Rope guides是国际标准化组织(International Organization for Standardization，简称ISO)发布的ISO标准，适用于全球范围。标准截图
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INTERNATIONAL STANDARD ISO 19426-7:2021
Structures for mine shafts —
Part 7: Rope guides
1 Scope
This document specifies the design loads and the design procedures for the design of rope guides and rubbing ropes used for guiding conveyances and preventing collisions in vertical mine shafts for permanent operations. It covers personnel and material hoisting, as well as rock hoisting installations. There are no fundamental limitations placed on the size of conveyances, the hoisting speeds, shaft layout configurations, or the shaft depth.
This document can be applicable to shaft sinking operations when kibbles run on the stage ropes.
There are many reasons, based on technical, timing, and cost factors, why rope guides are selected or not for a particular application, following careful assessment at feasibility stage of any project where rope guides are considered. This document provides some comments regarding the advantages and disadvantages of using rope guides compared to rigid guides, and specific design aspects for consideration when using rope guides. However, it is primarily intended to provide the technical information required to ensure good engineering of shafts where rope guided hoisting is the chosen solution.
This document does not cover matters of operational safety.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
ISO 194261‑ , Structures for mine shafts — Part 1: Vocabulary
ISO 194262‑ , Structures for mine shafts — Part 2: Headframe structures
ISO 194265‑ , Structures for mine shafts — Part 5: Shaft system structures
3 Terms a nd definiti ons
For the purposes of this document, the terms and definitions given in ISO 19426‑1 and the following apply.
ISO and IEC maintain terminological databases for use in standardization at the following addresses:
— ISO Online browsing platform: available at https://www.iso.org/obp
— IEC Electropedia: available at http://www.electropedia.org
3.1
cheeseweight
stack of weights, usually steel castings, suspended from the bottom of a rope guide forming a dead weight tensioning system
ISO 19426-7:2021
3.2
direct collision
event in which a conveyance strikes another conveyance or some other surface that is essentially transverse to the direction of travel of the conveyance
Note 1 to entry: See Figure 1 a).
3.3
oblique collision
event in which a conveyance strikes a shaft side wall or some other surface that is oriented essentially parallel with the direction of travel of the conveyance
Note 1 to entry: See Figure 1 b).
a) Direct collision
b) Oblique collision
Figure 1 — Schematic of possible collision types
3.4
design clearance
static clearance
nominal distance between different conveyances, or between conveyances and fixed objects, in the shaft, as shown on the design drawings
3.5
design location
intended location of elements of the rope guided hoisting installation, as shown on the design drawings
3.6
displacement multiplier
factor by which the predicted conveyance lateral displacement is multiplied to make statistical allowance for inaccuracies in simulation and aerodynamic coefficients and construction tolerances
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