EP0145627A1 - Lastenaufzug mit Doppelrichtungsantrieb für die bewegliche Ausstattung - Google Patents

Lastenaufzug mit Doppelrichtungsantrieb für die bewegliche Ausstattung Download PDF

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Publication number
EP0145627A1
EP0145627A1 EP84440044A EP84440044A EP0145627A1 EP 0145627 A1 EP0145627 A1 EP 0145627A1 EP 84440044 A EP84440044 A EP 84440044A EP 84440044 A EP84440044 A EP 84440044A EP 0145627 A1 EP0145627 A1 EP 0145627A1
Authority
EP
European Patent Office
Prior art keywords
cable
mast
assembly
winch
driven
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.)
Granted
Application number
EP84440044A
Other languages
English (en)
French (fr)
Other versions
EP0145627B1 (de
Inventor
Alain Sudermann
Raymond Gruss
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.)
Georges Haemmerlin SA
Original Assignee
Georges Haemmerlin 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 Georges Haemmerlin SA filed Critical Georges Haemmerlin SA
Priority to AT84440044T priority Critical patent/ATE25228T1/de
Publication of EP0145627A1 publication Critical patent/EP0145627A1/de
Application granted granted Critical
Publication of EP0145627B1 publication Critical patent/EP0145627B1/de
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B9/00—Kinds or types of lifts in, or associated with, buildings or other structures
    • B66B9/16—Mobile or transportable lifts specially adapted to be shifted from one part of a building or other structure to another part or to another building or structure
    • B66B9/187—Mobile or transportable lifts specially adapted to be shifted from one part of a building or other structure to another part or to another building or structure with a liftway specially adapted for temporary connection to a building or other structure

Definitions

  • the present invention relates to the field of construction site equipment, in particular the construction of lifting devices, in particular material lifts, and has for its object such a material lift provided with a two-way traction drive for the mobile equipment.
  • the existing material lifts are generally constituted by a vertical or oblique guide mast used to move a mobile unit or carriage from the ground to a place of use.
  • the training of this crew or trolley is ensured by means of a winch and a cable and pulley assembly.
  • the mast may be provided with a device called a knee lifter, which makes it possible to vary the slope of the trajectory of the carriage.
  • this slope may not exceed an angle of 30 ° from the horizontal.
  • the carriages of these material lifts known are necessarily equipped with parachute devices used to block the carriage on the mast in the absence of tension of the lifting cable, in particular in the event of the latter breaking.
  • parachute devices used to block the carriage on the mast in the absence of tension of the lifting cable, in particular in the event of the latter breaking.
  • the present invention aims to overcome these drawbacks.
  • a material hoist essentially constituted by a guide mast provided with one or more knee pads, by a mobile unit or carriage guided on the mast and driven in displacement by a drive assembly connected to the equipment by means of a cable, characterized in that the mast is provided at its terminal end with a cross member advantageously provided with a floating pulley under the action of springs, in that said mast is provided at its other end of a cross member of the same type, in that the lifting cable is arranged in a loop passing through the pulleys of said cross members, and the ends of which are connected to the movable assembly, which comprises two attachment points, said cable being driven by a winch arranged at any point of the mast, and which may be of the wedge-grip type or of the double winding drum type.
  • the hoist essentially consisting of a mast 1 for guiding a mobile assembly 3 or trolley, provided with one ( Figure 1) or several knee pads 2 ( Figure 2), and by a drive assembly 4 for the movement of the mobile assembly 3 by means of a cable 8, is characterized in that each end of the mast 1 is provided a cross 5, which is provided with a deflection pulley 6, in that the lifting cable 8 is arranged in a loop, the ends of which are connected to the moving element 3 ( Figure 3 ), and is driven by a winch 7 of the wedge-grip type.
  • This winch 7 is arranged at any point of the mast 1; in this case at the foot of said m g t 1.
  • the knee pads 2 allow a subdivision of the mast 1 into several sections arranged between them at various angles.
  • the crosspieces arranged at the ends of the mast are fitted with sliding pulleys in their support against the action of return springs. Thanks to this embodiment, the variations in the developed length of the loop formed by the cable 8 can easily be compensated.
  • the mobile assembly 3 is advantageously provided with a cable magazine 11 allowing storage of a superfluous flow of cable in a given configuration of the material lift, this cable can be used in the event of an extension of the length of the mast 1.
  • the cable drive 8 by the drive assembly 4 can be carried out by means of a winch 7 of the wedge-grip type (FIG. 4), which drives the cable 8 under the effect of friction forces in one direction of rotation or another.
  • FIG. 5 represents an alternative embodiment of the winch, in which the latter consists of two drums 12 each winding a strand of the cable 8 in opposite directions.
  • the cable 8 pulls the mobile assembly 3 at its point of attachment 9, and when crossing a toggle joint 2, during which the length of the loop formed by the cable 8 decreases, the pulley 6 located under the moving assembly 3 moves in its support against the action of the return springs in order to compensate for this temporary shortening, the opposite pulley completely compressing the springs under the effect of the cable tension due to the load contained in the moving element 3.
  • the return springs return said pulley 6 to its starting position.
  • the strand of the cable 8 fixed at point 10 serves to retain the equipment. ge 3 and control its speed by matching it to that of the drive assembly 4.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Transportation (AREA)
  • Automation & Control Theory (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Jib Cranes (AREA)
  • Valve Device For Special Equipments (AREA)
  • Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Types And Forms Of Lifts (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
EP84440044A 1983-11-04 1984-11-02 Lastenaufzug mit Doppelrichtungsantrieb für die bewegliche Ausstattung Expired EP0145627B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84440044T ATE25228T1 (de) 1983-11-04 1984-11-02 Lastenaufzug mit doppelrichtungsantrieb fuer die bewegliche ausstattung.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8317688 1983-11-04
FR8317688A FR2554430B1 (fr) 1983-11-04 1983-11-04 Monte-materiaux a entrainement a double sens de traction pour l'equipage mobile

Publications (2)

Publication Number Publication Date
EP0145627A1 true EP0145627A1 (de) 1985-06-19
EP0145627B1 EP0145627B1 (de) 1987-01-28

Family

ID=9293861

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84440044A Expired EP0145627B1 (de) 1983-11-04 1984-11-02 Lastenaufzug mit Doppelrichtungsantrieb für die bewegliche Ausstattung

Country Status (4)

Country Link
EP (1) EP0145627B1 (de)
AT (1) ATE25228T1 (de)
DE (1) DE3462241D1 (de)
FR (1) FR2554430B1 (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0291700A1 (de) * 1987-05-22 1988-11-23 Albert Böcker GmbH & Co. KG Geknickter Lastenaufzug mit Doppelrichtungsantrieb für die seilgezogenen Schlitten
WO1992019518A1 (en) * 1991-05-02 1992-11-12 Percus Ab A transporter or hoist arrangement
US8083725B2 (en) 2007-07-13 2011-12-27 The Procter & Gamble Company Disposable absorbent articles with improved garment fastening
WO2012173548A1 (en) * 2011-06-14 2012-12-20 Falegren Christer Scaffolding system for roofs

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1235636A (fr) * 1959-07-08 1960-07-08 Chantiers Et Ateliers De Const Système pour la commande de déplacement du chariot d'une grue
FR1249797A (fr) * 1960-03-04 1961-03-22 Monte-charges pour tuiles ou autres matériaux utilisés en construction
FR1453470A (fr) * 1965-08-11 1966-06-03 Grue distributrice
DE2053499A1 (de) * 1970-10-30 1972-05-04 Peter H Dachdeckeraufzug
DE2101256A1 (de) * 1971-01-13 1972-08-03 Peter H Förderwagen für Dachdeckeraufzug

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1235636A (fr) * 1959-07-08 1960-07-08 Chantiers Et Ateliers De Const Système pour la commande de déplacement du chariot d'une grue
FR1249797A (fr) * 1960-03-04 1961-03-22 Monte-charges pour tuiles ou autres matériaux utilisés en construction
FR1453470A (fr) * 1965-08-11 1966-06-03 Grue distributrice
DE2053499A1 (de) * 1970-10-30 1972-05-04 Peter H Dachdeckeraufzug
DE2101256A1 (de) * 1971-01-13 1972-08-03 Peter H Förderwagen für Dachdeckeraufzug

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0291700A1 (de) * 1987-05-22 1988-11-23 Albert Böcker GmbH & Co. KG Geknickter Lastenaufzug mit Doppelrichtungsantrieb für die seilgezogenen Schlitten
WO1992019518A1 (en) * 1991-05-02 1992-11-12 Percus Ab A transporter or hoist arrangement
US8083725B2 (en) 2007-07-13 2011-12-27 The Procter & Gamble Company Disposable absorbent articles with improved garment fastening
WO2012173548A1 (en) * 2011-06-14 2012-12-20 Falegren Christer Scaffolding system for roofs

Also Published As

Publication number Publication date
FR2554430A1 (fr) 1985-05-10
DE3462241D1 (en) 1987-03-05
EP0145627B1 (de) 1987-01-28
FR2554430B1 (fr) 1986-01-17
ATE25228T1 (de) 1987-02-15

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