GB1171637A - Sheave arrangements for Limiting Load Moments of Jib Cranes - Google Patents

Sheave arrangements for Limiting Load Moments of Jib Cranes

Info

Publication number
GB1171637A
GB1171637A GB5161866D GB5161866D GB1171637A GB 1171637 A GB1171637 A GB 1171637A GB 5161866 D GB5161866 D GB 5161866D GB 5161866 D GB5161866 D GB 5161866D GB 1171637 A GB1171637 A GB 1171637A
Authority
GB
United Kingdom
Prior art keywords
jib
cam
sheave
pin
outer ring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB5161866D
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bialskie Zaklady Urzadzen Tech
Original Assignee
Bialskie Zaklady Urzadzen Tech
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from PL111667A external-priority patent/PL52445B1/pl
Application filed by Bialskie Zaklady Urzadzen Tech filed Critical Bialskie Zaklady Urzadzen Tech
Publication of GB1171637A publication Critical patent/GB1171637A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D3/00—Portable or mobile lifting or hauling appliances
    • B66D3/04—Pulley blocks or like devices in which force is applied to a rope, cable, or chain which passes over one or more pulleys, e.g. to obtain mechanical advantage
    • B66D3/06—Pulley blocks or like devices in which force is applied to a rope, cable, or chain which passes over one or more pulleys, e.g. to obtain mechanical advantage with more than one pulley
    • B66D3/08—Arrangements of sheaves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/88—Safety gear
    • B66C23/90—Devices for indicating or limiting lifting moment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D3/00—Portable or mobile lifting or hauling appliances
    • B66D3/04—Pulley blocks or like devices in which force is applied to a rope, cable, or chain which passes over one or more pulleys, e.g. to obtain mechanical advantage
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D2700/00—Capstans, winches or hoists
    • B66D2700/02—Hoists or accessories for hoists
    • B66D2700/026—Pulleys, sheaves, pulley blocks or their mounting
    • B66D2700/028—Pulley blocks with multiple sheaves

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jib Cranes (AREA)
GB5161866D 1965-11-18 1966-11-17 Sheave arrangements for Limiting Load Moments of Jib Cranes Expired GB1171637A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL111667A PL52445B1 (enrdf_load_stackoverflow) 1965-11-18

Publications (1)

Publication Number Publication Date
GB1171637A true GB1171637A (en) 1969-11-26

Family

ID=19948544

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5161866D Expired GB1171637A (en) 1965-11-18 1966-11-17 Sheave arrangements for Limiting Load Moments of Jib Cranes

Country Status (6)

Country Link
CH (1) CH455200A (enrdf_load_stackoverflow)
DE (1) DE1456426B2 (enrdf_load_stackoverflow)
FR (1) FR1500669A (enrdf_load_stackoverflow)
GB (1) GB1171637A (enrdf_load_stackoverflow)
NL (1) NL6616284A (enrdf_load_stackoverflow)
SE (1) SE339742B (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2096667B1 (enrdf_load_stackoverflow) * 1970-05-14 1973-11-16 Haulotte Georges

Also Published As

Publication number Publication date
SE339742B (enrdf_load_stackoverflow) 1971-10-18
NL6616284A (enrdf_load_stackoverflow) 1967-05-19
DE1456426A1 (de) 1969-10-09
CH455200A (de) 1968-04-30
DE1456426B2 (de) 1970-11-26
FR1500669A (fr) 1967-11-03

Similar Documents

Publication Publication Date Title
GB1311767A (en) Tower cranes with counterbalancing arm
ES354932A1 (es) Perfeccionamientos en las gruas.
GB1084005A (en) Improvements in or relating to hoisting tackle
GB1070250A (en) Improvements in and relating to crane units
GB1360950A (en) Safety hook
GB1101890A (en) Improvements in or relating to tower cranes
GB1171637A (en) Sheave arrangements for Limiting Load Moments of Jib Cranes
GB1221510A (en) Telescopic jib for a crane
GB1174697A (en) Counterweight Attaching Means for Cranes
GB1470128A (en) Apparatus for detecting overloads of cranes
GB1196554A (en) Improvements in or relating to Mobile Cranes
ES421588A1 (es) Dispositivo de subordinacion de los movimientos de los a- guilones de una primera y al menos una segunda grua.
GB1061307A (en) Improved hoisting crane
GB1345362A (en) Detecting deformations in structures
GB1172534A (en) Improvements in and relating to Rotary Clothes Hoists
GB1432574A (en) Derrick or crane closure device for a syphon bottle
NL6609663A (enrdf_load_stackoverflow)
GB1113740A (en) A non-slewing luffing crane
GB1104157A (en) Improvements relating to cranes
GB385601A (en) Improvements in jib cranes, derricks and the like
GB1393358A (en) Rotary tower cranes
GB1101788A (en) A jib crane
GB1030103A (en) Improvements in or relating to maximum safe load indicators for cranes
GB998806A (en) A bucket opening mechanism for bucket cranes
GB1044880A (en) Ship's derricks

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees