DE3787486D1 - Method of controlling a cable crane - automatic machine and hydraulic control. - Google Patents

Method of controlling a cable crane - automatic machine and hydraulic control.

Info

Publication number
DE3787486D1
DE3787486D1 DE87105231T DE3787486T DE3787486D1 DE 3787486 D1 DE3787486 D1 DE 3787486D1 DE 87105231 T DE87105231 T DE 87105231T DE 3787486 T DE3787486 T DE 3787486T DE 3787486 D1 DE3787486 D1 DE 3787486D1
Authority
DE
Germany
Prior art keywords
valves
cable crane
automatic cable
lead
clearing
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 - Fee Related
Application number
DE87105231T
Other languages
German (de)
Inventor
Jakob Mairhofer
Josef Werlberger
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of DE3787486D1 publication Critical patent/DE3787486D1/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • B66C13/00—Other constructional features or details
    • B66C13/18—Control systems or devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C21/00—Cable cranes, i.e. comprising hoisting devices running on aerial cable-ways

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Control And Safety Of Cranes (AREA)
  • Jib Cranes (AREA)
  • Load-Engaging Elements For Cranes (AREA)

Abstract

In known automatic cable cranes it is considered to be a disadvantage that, from the safety point of view, vibratory movements of the load pendulum, which can lead to inadvertent clearing of the automatic cable crane, could not be eased by constructional measures. On the other hand, the hydraulic valve layout is made in such a way that sudden displacements of the valves are normally necessary and two-way valves are used as slide or shuttle valves. The leakage losses which are consequently present, in particular in the zero position, can cause dangerous operating states. To avoid these disadvantages, the invention proposes to design the requisite main valves as separate individual valves with dead-time actuation and, in addition, to provide a delay time or a delay displacement so that undesirable vibratory movements of the load pendulum cannot lead to clearing of the automatic cable crane. <IMAGE>
DE87105231T 1986-04-08 1987-04-08 Method of controlling a cable crane - automatic machine and hydraulic control. Expired - Fee Related DE3787486D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0091386A AT389863B (en) 1986-04-08 1986-04-08 HYDRAULIC CONTROL FOR ROPE-CRANE MACHINES

Publications (1)

Publication Number Publication Date
DE3787486D1 true DE3787486D1 (en) 1993-10-28

Family

ID=3502718

Family Applications (1)

Application Number Title Priority Date Filing Date
DE87105231T Expired - Fee Related DE3787486D1 (en) 1986-04-08 1987-04-08 Method of controlling a cable crane - automatic machine and hydraulic control.

Country Status (3)

Country Link
EP (1) EP0241023B1 (en)
AT (2) AT389863B (en)
DE (1) DE3787486D1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112897356B (en) * 2021-01-21 2022-06-17 赣州建工集团有限公司 Hoisting accessory is used in construction of prefabricated building house

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2025575A (en) * 1934-04-11 1935-12-24 Gen Electric Control system
AT177159B (en) * 1950-06-21 1954-01-11 Jakob Wyssen Transport device for vertically moving loads and moving them along a suspension cable
US3058601A (en) * 1960-03-09 1962-10-16 Wyssen Jakob Transportation system
CH379086A (en) * 1960-03-09 1964-06-30 Wyssen Jakob Transport device for moving loads vertically and moving them along a wire rope
US3776390A (en) * 1971-06-17 1973-12-04 N Junes Skyline logging carriage
AT328505B (en) * 1972-05-23 1976-03-25 Koller Josef AUTOMATIC CONTROL OF CABLE CARRIAGE
AT379994B (en) * 1983-03-09 1986-03-25 Nesler Johann DEVICE FOR ACTUATING A HYDRAULIC CONTROL VALVE
AT378943B (en) * 1983-03-09 1985-10-25 Nesler Johann AUTHORIZED CONTROL OF CRANEWAY VEHICLES FOR LOAD TRANSPORT

Also Published As

Publication number Publication date
ATA91386A (en) 1989-07-15
ATE94851T1 (en) 1993-10-15
EP0241023A2 (en) 1987-10-14
AT389863B (en) 1990-02-12
EP0241023A3 (en) 1990-05-30
EP0241023B1 (en) 1993-09-22

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee