Repair and maintenance crates
Purpose
Crates are used to change shaft conductors and perform other repair and maintenance operations in mine shafts, coming under various areas and institutions, including gas and dust hazardous shafts. Counterweights are designed specifically for macroclimate regions in accordance with category U and standard GOST 15150-69.
Description
Crates are divided into following categories:
1. Purpose:
- conductor replacement– П;
- repair– Р;
- inspections – С.
2. Lifting type (hanging):
- mounted to winder – М;
- mounted to lifting gear – К.
3. Performance:
- one-section -1;
- 2-section – 2;
- 3--section – 3;
- 4--section – 4;
- 5--section - 5.