BS 4531:1986
Current
The latest, up-to-date edition.
Specification for portable and mobile troughed belt conveyors
Hardcopy , PDF
English
30-05-1986
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Foreword
Committees responsible
Specification
1 Scope
2 Definitions
3 Belting
4 Take-up devices
5 Pulleys (including motorized pulleys)
6 Idlers
7 Power units
8 Skirt plates
9 Luffing gear
10 Lubrication
11 Walkways and access stairways
12 Radial conveyors
13 Belt cleaning
Appendix
A Nominal cross-sectional area of load stream and
nominal belt carrying capacity
Tables
1 Minimum belt edge clearance
2 Minimum pulley face length
3 Minimum pulley diameter in relation to belt
construction
4 Nominal diameters of idler rollers
5 Surcharge angle
6 Values of terms related to surcharge angle 2 and
troughing angle A
Figures
1 Typical portable troughed belt conveyor
2 Typical mobile troughed belt conveyor with fixed
discharge height
3 Typical mobile troughed belt conveyor with
adjustable discharge height
4 Typical crowned pulley profile
5 Load stream areas with two- and three-roll idlers
Dimensional requirements for belting and pulleys for portable and mobile troughed belt conveyors together with requirements for ancillary items. A formula for calculating the belt carrying capacity is given as an appendix.
| Committee |
MHE/9
|
| DevelopmentNote |
Supersedes 84/72596 DC and BS 4531(1969) (08/2005) Reviewed and confirmed by BSI, August 2012. (07/2012)
|
| DocumentType |
Standard
|
| Pages |
16
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
This British Standard specifies requirements for portable and mobile troughed belt conveyors, in particular for their belting, pulleys and power units, together with requirements for ancillary items. Requirements for belting only apply to belts with a smooth or patterned surface.
NOTE 1 Equations for calculating the belt carrying capacity are given in Appendix A.
NOTE 2 The titles of the publications referred to in this standard are listed on the inside back cover.
| BS 5395-3:1985 | Stairs, ladders and walkways Code of practice for the design of industrial type stairs, permanent ladders and walkways |
| ISO 251:2012 | Conveyor belts with textile carcass — Widths and lengths |
| BS 5514-1:1977 | Reciprocating internal combustion engines: performance. Specification for standard reference conditions and declarations of power, fuel consumption and lubricating oil consumption |
| BS 490-1:1985 | Specification for conveyor and elevator belting. Specification for rubber and plastics conveyor belting of textile construction for general use |
| ISO 1536:1975 | Continuous mechanical handling equipment for loose bulk materials — Troughed belt conveyors (other than portable conveyors) — Belt pulleys |
| BS 5395-1:1977 | Stairs, ladders and walkways Code of practice for the design of straight stairs |
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