GB1345362A - Detecting deformations in structures - Google Patents

Detecting deformations in structures

Info

Publication number
GB1345362A
GB1345362A GB2230771A GB2230771A GB1345362A GB 1345362 A GB1345362 A GB 1345362A GB 2230771 A GB2230771 A GB 2230771A GB 2230771 A GB2230771 A GB 2230771A GB 1345362 A GB1345362 A GB 1345362A
Authority
GB
United Kingdom
Prior art keywords
lever
turret
structures
safety
members
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
GB2230771A
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.)
PPM SA
Potain Poclain Materiel PPM SA
Original Assignee
PPM SA
Potain Poclain Materiel PPM SA
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
Application filed by PPM SA, Potain Poclain Materiel PPM SA filed Critical PPM SA
Publication of GB1345362A publication Critical patent/GB1345362A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01GWEIGHING
    • G01G19/00Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
    • G01G19/14Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for weighing suspended loads
    • G01G19/18Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for weighing suspended loads having electrical weight-sensitive devices
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L5/00Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
    • G01L5/0061Force sensors associated with industrial machines or actuators
    • G01L5/0071Specific indicating arrangements, e.g. of overload

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Jib Cranes (AREA)
  • Control Of Turbines (AREA)
  • Forklifts And Lifting Vehicles (AREA)
GB2230771A 1970-03-17 1971-04-19 Detecting deformations in structures Expired GB1345362A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7009516A FR2082475A5 (enExample) 1970-03-17 1970-03-17

Publications (1)

Publication Number Publication Date
GB1345362A true GB1345362A (en) 1974-01-30

Family

ID=9052392

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2230771A Expired GB1345362A (en) 1970-03-17 1971-04-19 Detecting deformations in structures

Country Status (5)

Country Link
US (1) US3737888A (enExample)
DE (1) DE2109229A1 (enExample)
ES (1) ES389108A1 (enExample)
FR (1) FR2082475A5 (enExample)
GB (1) GB1345362A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109883683A (zh) * 2019-04-04 2019-06-14 王小珍 一种起重机械金属结构应力应变测试演示系统

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3952879A (en) * 1975-02-14 1976-04-27 Fulton Industries, Inc. Overload control for lifting boom
US4236864A (en) * 1978-11-09 1980-12-02 Raymond Couture Safety control system for the boom of a crane
GB9715293D0 (en) * 1997-07-22 1997-09-24 Street Crane Company Limited Monitor and/or overload means
US7014054B2 (en) * 2002-07-01 2006-03-21 Jlg Industries, Inc. Overturning moment measurement system

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2091534A (en) * 1932-08-04 1937-08-31 Richard L Templin Deformation recording apparatus
US2812584A (en) * 1954-12-10 1957-11-12 Northrop Aircraft Inc Elongation indicating and controlling mechanism
SU116342A1 (ru) * 1958-05-20 1958-11-30 К.А. Шарыгин Ограничитель грузоподъемности подъемных кранов
US3123814A (en) * 1962-02-09 1964-03-03 Safe load indicating devices for cranes
GB973817A (en) * 1962-07-11 1964-10-28 Stothert & Pitt Ltd Automatic over moment regulator for cranes
US3199685A (en) * 1964-03-02 1965-08-10 Greater Iowa Corp Overload safety device for material handling mechanism

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109883683A (zh) * 2019-04-04 2019-06-14 王小珍 一种起重机械金属结构应力应变测试演示系统

Also Published As

Publication number Publication date
DE2109229A1 (de) 1971-10-07
FR2082475A5 (enExample) 1971-12-10
US3737888A (en) 1973-06-05
ES389108A1 (es) 1973-11-16

Similar Documents

Publication Publication Date Title
GB1311767A (en) Tower cranes with counterbalancing arm
GB1394974A (en) Bridge crane
GB1343803A (en) Hydraulic vehicle crane
GB1403199A (en) Overload switchoff device for hydraulic loading and unloading cranes
GB1345362A (en) Detecting deformations in structures
GB935985A (en) Improvements in or relating to vehicle-mounted luffing-arm lifting apparatus
ES421588A1 (es) Dispositivo de subordinacion de los movimientos de los a- guilones de una primera y al menos una segunda grua.
GB1119485A (en) Safe load indicators for jib cranes
FR2256101A1 (en) Telescopic jib crane overload protection system - compares jib angle derricking force with permissible maxima
ES432741A1 (es) Perfeccionamientos en seguros de par de vuelco para gruas de pluma telescopica hidraulica.
GB778833A (en) Improvements in and relating to portal cranes
GB1098565A (en) Mobile tower crane
GB980132A (en) Improvements in safe load indicating devices for cranes
GB1432574A (en) Derrick or crane closure device for a syphon bottle
GB1282847A (en) Improvements in or relating to tower cranes
GB1029850A (en) Improvements in hydraulically levelled platforms and load carriers
GB1313828A (en) Slewing jib crane
GB1470229A (en) Overhead crane with -c- shaped claws fitted lifting beam
GB1157286A (en) Improvements in and relating to Derricks for Hoisting Loads
GB1046886A (en) Extension handling device for mobile cranes
GB1310012A (en) Safe load indicating systems for extensible jib cranes and the like
GB930021A (en) Improved jib-crane
GB1479680A (en) Double slewing crane
SU111466A1 (ru) Предохранительное устройство, предотвращающее перегрузку стрелового крана
SU434056A1 (ru) Способ ограничения крайних рабочих положений маневровой стрелы крана

Legal Events

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