JPS57113323A - Recorder for load condition of crane - Google Patents

Recorder for load condition of crane

Info

Publication number
JPS57113323A
JPS57113323A JP18832880A JP18832880A JPS57113323A JP S57113323 A JPS57113323 A JP S57113323A JP 18832880 A JP18832880 A JP 18832880A JP 18832880 A JP18832880 A JP 18832880A JP S57113323 A JPS57113323 A JP S57113323A
Authority
JP
Japan
Prior art keywords
condition
crane
boom
analogue
time
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.)
Pending
Application number
JP18832880A
Other languages
Japanese (ja)
Inventor
Hiroshi Ito
Eiji Kitatani
Jun Fujioka
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.)
Kobe Steel Ltd
Original Assignee
Kobe Steel Ltd
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 Kobe Steel Ltd filed Critical Kobe Steel Ltd
Priority to JP18832880A priority Critical patent/JPS57113323A/en
Publication of JPS57113323A publication Critical patent/JPS57113323A/en
Pending legal-status Critical Current

Links

Classifications

    • 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

Abstract

PURPOSE:To manage a working condition and to improve stability of a crane working, by indicating in an digital manner a load condition at an operating time of a crane and recording a displacement with the passage of time of the load condition. CONSTITUTION:After each analogue detecting signal, fetched by a boom derricking angle detector 6, a boom length detector 7, and a boom undulating hydraulic cylinder pressure detector 8 at an operating time of a crane, is transferred to an overload protecting device 9 and is converted into a digital signal, it is operated according to a program previously set, and a boom undulating angle theta, a boom length L, and each condition of a hanging load are monitor- displayed in the overload protecting device 9. An analogue signal of each condition is introduced to an analogue recorder 10 wherein a displacement with the passage of time of each condition is recorded.
JP18832880A 1980-12-29 1980-12-29 Recorder for load condition of crane Pending JPS57113323A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18832880A JPS57113323A (en) 1980-12-29 1980-12-29 Recorder for load condition of crane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18832880A JPS57113323A (en) 1980-12-29 1980-12-29 Recorder for load condition of crane

Publications (1)

Publication Number Publication Date
JPS57113323A true JPS57113323A (en) 1982-07-14

Family

ID=16221678

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18832880A Pending JPS57113323A (en) 1980-12-29 1980-12-29 Recorder for load condition of crane

Country Status (1)

Country Link
JP (1) JPS57113323A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5970919A (en) * 1982-10-14 1984-04-21 Caterpillar Mitsubishi Ltd Apparatus for calculating measuring error of loading weight due to oscillation
JPS606828A (en) * 1983-03-23 1985-01-14 Hitachi Constr Mach Co Ltd Display device for loading weight of hydraulic shovel
JPS60102436A (en) * 1984-06-23 1985-06-06 Hitachi Constr Mach Co Ltd Loading weight displayer for oil-pressure shovel
JPS60141930A (en) * 1983-12-28 1985-07-27 Hitachi Constr Mach Co Ltd Loading weight display device for hydraulic shovel

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4827857B1 (en) * 1970-10-05 1973-08-27

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4827857B1 (en) * 1970-10-05 1973-08-27

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5970919A (en) * 1982-10-14 1984-04-21 Caterpillar Mitsubishi Ltd Apparatus for calculating measuring error of loading weight due to oscillation
JPH049243B2 (en) * 1982-10-14 1992-02-19
JPS606828A (en) * 1983-03-23 1985-01-14 Hitachi Constr Mach Co Ltd Display device for loading weight of hydraulic shovel
JPS60141930A (en) * 1983-12-28 1985-07-27 Hitachi Constr Mach Co Ltd Loading weight display device for hydraulic shovel
JPH0441289B2 (en) * 1983-12-28 1992-07-07 Hitachi Construction Machinery
JPS60102436A (en) * 1984-06-23 1985-06-06 Hitachi Constr Mach Co Ltd Loading weight displayer for oil-pressure shovel
JPH0444930B2 (en) * 1984-06-23 1992-07-23 Hitachi Construction Machinery

Similar Documents

Publication Publication Date Title
GB1402602A (en) Crane having a safety device
GB1362110A (en) Safety device for crane
JPS57113323A (en) Recorder for load condition of crane
BE883244A (en) BOOM HYDRAULIC EXCAVATOR FOR LARGE RANGE AND LARGE LIFT
GB1463811A (en) Crane load indicating arrangement
JPS5427174A (en) Buffer system for bucket elevator
JPS5389159A (en) Device for monitoring safety limit of crame with telescopic boom
JPS5389158A (en) Device for monitoring safety limit of crane with boom
JPS537069A (en) Device for driving bucket of crane
JPS51124251A (en) Device for detecting hoisting load of crane or the like
JPS5339601A (en) Device for detecting and indicating load force upon hydraulic excavator
JPS5396156A (en) Method of operating horizontal luffing crane
FR2391148A1 (en) Slewing jib crane - has weight position on tailweight jib controlled by computer to counteract tipping moment
JPS537062A (en) Lifting crane for installing reinforcement beam blocks of large suspension bridge
JPS52152056A (en) Long size object hoisting cranes parallel operation method
JPS53107051A (en) Device for controlling truck-mounted crane
JPS5427175A (en) Buffer system for bucket elevator
JPS5299555A (en) Method and apparatus for controlling moment limiter of boom for multip le point support crane
SU578259A1 (en) Method of guiding ropes from a load to jib crane
JPS5428994A (en) Hoisting rope type control rod for the reactor
JPS5243250A (en) Safety device for crane
JPS5375661A (en) Hook retracting apparatus for articulated crane
GB968398A (en) A multi-purpose machine adapted to be used as a bucket crane
JPS5213245A (en) Retractile hydraulic boom for portable crane
JPS5227155A (en) Operating boom for opening and closing bottom cover of bucket in crane