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BS 1761:1951

Withdrawn
Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

Specification for single bucket excavators of the crawler-mounted friction-driven type
Available format(s)

Hardcopy , PDF

Withdrawn date

09-24-2012

Language(s)

English

Published date

09-05-1951

Publisher

British Standards Institution

Cooperating organizations
Foreword
Specification
1. Scope
2. Definitions
3. Information to be supplied with inquiry or order
4. Information to be supplied by the manufacturer
5. Compliance with statutory requirements
6. Power unit
7. Service conditions
8. Materials
9. Factor of safety
10. 'Front end' equipment
11. Standard jib length
12. Crawler bearing length
13. Face shovel working range
14. Forward stability
15. Backward stability
16. Lifting capacity and load indicator
17. Slewing
18. Structure
19. Struts, including jibs
20. Working stress in finished precision bolts and set
     screws used in the excavator structure and machinery
21. Working stresses in rivets used in the structure
22. Rotating rollers
23. Mats
24. Splices
25. Welding
26. Travelling on a gradient
27. Steering
28. Controls
29. Guarding
30. Travelling and slewing
31. Rotating and fixed shafts and axles
32. Keys, keyways and splines
33. Gearing and pawls
34. Driving clutches and brakes
35. Wire ropes
36. Rope drums
37. Rope pulleys
38. Pulley and drum grooves
39. Angle of lead
40. Lifting hooks
41. Shackles
42. Lubrication
43. Electrical cables for power circuits
44. Instruction book
45. Driver's cab
46. Testing
47. Painting
48. Identification
Figures
1-7. Types of equipment
8-10. Diagrams illustrating stability formulae
11. Face shovel: dimensions and working ranges
12. Dragline: dimensions and working ranges
13. Drag shovel: dimensions and working ranges
14. Skimmer: dimensions and working ranges
15. Grabbing crane: dimensions and working ranges
16. Lifting crane: dimensions and working ranges
17. Pile driver: dimensions and working ranges
Appendices
A. Information recommended to be supplied with
     inquiry or order
B. Information to be supplied by manufacturer
C. Acts, regulations and orders affecting excavators
     in the United Kingdom
D. Maximum permissible stresses in fastenings
E. List of British standards applicable to materials
     to be used in the manufacture of excavators
F. Design of struts
G. Capacity rating of buckets
Charts
1. Values of maximum permissible axial stresses, Fa
2. Values of Fbc
3. Values of K for steel complying with BS 15 and
     Grade 15 steel tubes complying with BS 1775*
4. Values of K for steel complying with BS 548
5. Values of K for steel complying with BS 968 and
     Grade 20 steel tubes complying with BS 1775*
* BS 1775 'Steel tubes for mechanical, structural and
   general engineering purposes.'

Excavators up to 2½ cubic yards bucket capacity, mounted on tracks, all motions friction-driven. Defines and illustrates face shovels, drag lines, drag shovels, skimmers, grabbing cranes, cranes and pile drivers. Data on safety factors, ability, controls, power units, electrical equipment, testing.

Committee
MHE/3
DevelopmentNote
Inactive for the new design. (10/2007)
DocumentType
Standard
Pages
52
PublisherName
British Standards Institution
Status
Withdrawn

BS 327:1964 Specification for power-driven derrick cranes
BS 2799:1974 Specification for power-driven tower cranes for building and engineering construction
BS 466:1984 Specification for power driven overhead travelling cranes, semi-goliath and goliath cranes for general use
BS CP3010(1972) : 1972 CODE OF PRACTICE FOR SAFE USE OF CRANES (MOBILE CRANES, TOWER CRANES AND DERRICK CRANES)
BS 357:1958 Specification for power-driven travelling jib cranes (rail-mounted low carriage type)
BS 7333:1990 Specification for slewing jib cranes

BS 1400:1948 Schedule of copper alloy ingots and copper and copper alloy castings
BS 46-1:1958 Keys and keyways and taper pins Specification. Keys and keyways
BS 1486-1:1959 Lubricating nipples Lubricating nipples and adaptors for use on machinery and vehicles
BS 15:1961 Mild steel for general structural purposes.
BS 545:1982 Specification for bevel gears (machine cut)
BS 649(1958) : LATEST THE PERFORMANCE OF RECIPROCATING COMPRESSION IGNITION (DIESEL) ENGINES, UTILIZING LIQUID FUEL ONLY, FOR GENERAL PURPOSES
BS 46-2(1929) : LATEST KEYS AND KEYWAYS AND TAPER PINS - SPLINES AND SERRATIONS
BS 482(1958) : LATEST WROUGHT IRON AND MILD STEEL HOOKS FOR CRANES, SLINGS, BLOCKS AND GENERAL ENGINEERING PURPOSES (EXCLUDING BUILDING OPERATIONS)
BS 591(1935) : LATEST WROUGHT IRON AND MILD STEEL HOOKS OF THE `C' OR LIVERPOOL TYPE
BS 1775(1964) : LATEST STEEL TUBES FOR MECHANICAL, STRUCTURAL AND GENERAL ENGINEERING PURPOSES
BS 1083:1965 Specification for precision hexagon bolts, screws and nuts (B.S.W. & B.S.F. threads)
BS 310:1972 Specification for blackheart malleable iron castings
BS 938(1962) : LATEST GENERAL REQUIREMENTS FOR THE METAL-ARC WELDING OF STRUCTURAL STEEL TUBES TO BS1775
BS 1116(1956) : LATEST FLEXIBLE TRAILING CABLES FOR QUARRIES AND METALLIFEROUS MINES
BS 1856(1964) : LATEST GENERAL REQUIREMENTS FOR THE METAL-ARC WELDING OF MILD STEEL
BS 302:1968 Specification for wire ropes for cranes, excavators and general engineering purposes
BS 970(1972) : LATEST
BS 693(1960) : LATEST GENERAL REQUIREMENTS FOR OXY-ACETYLENE WELDING OF MILD STEEL
BS 721-1:1963 Specification for worm gearing Imperial units
BS 721-2:1983 Specification for worm gearing Metric units
BS 168(1936) : LATEST INDUSTRIAL ELECTRIC MOTORS AND GENERATORS
BS 980(1950) : LATEST STEEL TUBES FOR AUTOMOBILE PURPOSES
BS 825(1949) : LATEST MILD STEEL SHACKLES
BS 621(1957) : LATEST STEEL WIRE ROPES FOR CRANES, EXCAVATORS AND GENERAL ENGINEERING PURPOSES
BS 32(1952) : LATEST STEEL BARS FOR THE PRODUCTION OF MACHINED PARTS
BS 765(1961) : LATEST INTERNAL COMBUSTION ENGINES, SPARK IGNITION TYPE
BS 548:1934 High tensile structural steel for bridges, etc., and general building construction
BS 46-3:1951 Keys and keyways and taper pins Specification for solid and split taper pins for general engineering purposes

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Hardcopy - English
PDF - English
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