IT996985B - Dispositivo di sicurezza per gru - Google Patents

Dispositivo di sicurezza per gru

Info

Publication number
IT996985B
IT996985B IT7038873A IT7038873A IT996985B IT 996985 B IT996985 B IT 996985B IT 7038873 A IT7038873 A IT 7038873A IT 7038873 A IT7038873 A IT 7038873A IT 996985 B IT996985 B IT 996985B
Authority
IT
Italy
Prior art keywords
crane
safety device
safety
Prior art date
Application number
IT7038873A
Other languages
English (en)
Original Assignee
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 filed Critical Ppm Sa
Application granted granted Critical
Publication of IT996985B publication Critical patent/IT996985B/it

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
    • G01G19/14—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for weighing suspended loads
    • G01G19/18—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for weighing suspended loads having electrical weight-sensitive devices

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jib Cranes (AREA)
  • Control And Safety Of Cranes (AREA)
IT7038873A 1972-11-27 1973-11-16 Dispositivo di sicurezza per gru IT996985B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7242099A FR2207853B1 (it) 1972-11-27 1972-11-27

Publications (1)

Publication Number Publication Date
IT996985B true IT996985B (it) 1975-12-10

Family

ID=9107767

Family Applications (1)

Application Number Title Priority Date Filing Date
IT7038873A IT996985B (it) 1972-11-27 1973-11-16 Dispositivo di sicurezza per gru

Country Status (6)

Country Link
JP (1) JPS49134053A (it)
DE (1) DE2352725C2 (it)
ES (1) ES419960A1 (it)
FR (1) FR2207853B1 (it)
GB (1) GB1448748A (it)
IT (1) IT996985B (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2390366A1 (fr) * 1977-05-13 1978-12-08 Preux Roger Controleur d'etat de charge, notamment pour engin de levage

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1171828B (de) * 1954-03-31 1964-06-04 Siemens Ag Schaufelradbagger
GB1183190A (en) * 1967-08-15 1970-03-04 B & A Engineering Company Ltd Crane Radius Indicator or Crane Safe-Load Indicator Radius Compensating Device
US3618064A (en) * 1969-08-20 1971-11-02 Eaton Yale & Towne Crane computer
DE2101673C3 (de) * 1971-01-15 1974-02-07 Leo Gottwald Kg, 4000 Duesseldorf Vorrichtung zur Begrenzung des Lastmomentes bei Auslegerkranen
DE2108142A1 (de) * 1971-02-19 1972-08-31 Pietzsch Ludwig Überlastsicherung für Teleskopkrane

Also Published As

Publication number Publication date
ES419960A1 (es) 1976-04-16
FR2207853A1 (it) 1974-06-21
DE2352725C2 (de) 1983-09-01
JPS49134053A (it) 1974-12-24
DE2352725A1 (de) 1974-05-30
GB1448748A (en) 1976-09-08
FR2207853B1 (it) 1977-04-08

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