EP0194479A2 - Mécanisme à manivelle pour treuils, particulièrement pour crics à crémaillère d'un dispositif pour lever ou déposer des articles transportables sous forme de boîte, p. ex. des conteneurs - Google Patents

Mécanisme à manivelle pour treuils, particulièrement pour crics à crémaillère d'un dispositif pour lever ou déposer des articles transportables sous forme de boîte, p. ex. des conteneurs Download PDF

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Publication number
EP0194479A2
EP0194479A2 EP86102144A EP86102144A EP0194479A2 EP 0194479 A2 EP0194479 A2 EP 0194479A2 EP 86102144 A EP86102144 A EP 86102144A EP 86102144 A EP86102144 A EP 86102144A EP 0194479 A2 EP0194479 A2 EP 0194479A2
Authority
EP
European Patent Office
Prior art keywords
crankcase
hand crank
drive according
crank drive
rack
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.)
Withdrawn
Application number
EP86102144A
Other languages
German (de)
English (en)
Inventor
Reinhold Riedl
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.)
Haacon Hebetechnik GmbH
Original Assignee
Haacon Hebetechnik GmbH
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 Haacon Hebetechnik GmbH filed Critical Haacon Hebetechnik GmbH
Publication of EP0194479A2 publication Critical patent/EP0194479A2/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
    • B66F3/02—Devices, e.g. jacks, adapted for uninterrupted lifting of loads with racks actuated by pinions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D90/00—Component parts, details or accessories for large containers
    • B65D90/12—Supports
    • B65D90/14—Legs, e.g. detachable
    • B65D90/143—Detachable individual legs

Definitions

  • the invention relates to a hand crank drive for winches, in particular rack and pinion winches of a lifting or depositing device for transportable box-shaped objects, e.g. Large containers, the rack winches e.g. attached to a large container at the corners, their racks are provided on supports for the large container and the rack winches along each support can be raised and lowered by actuating corresponding hand crank drives.
  • transportable box-shaped objects is to be understood in the broadest sense and encompasses all objects which enable the winches to be fastened to their corners or outer edges, including platforms or pallets.
  • the term "large container” used below is therefore only exemplary used.
  • this lifting or lowering device For example, large containers are lifted off the loading area of a truck and placed on the floor or vice versa raised from the floor and placed on the loading area. Since height differences of approx. 1.70 - 1.80 m usually have to be overcome during these lifting and setting down operations, the operation of the hand crank drives near the two end positions of the rack and pinion winches becomes difficult. In the lower end position, a full turn of the hand cranks is often no longer possible, since you get caught on the ground with the crank handle.
  • the hand crank drives have been equipped with a ratchet mechanism that only allows a fraction of a full crank rotation.
  • this in turn means a loss of time in the manipulation of the respective large container.
  • the rack and pinion winches in the upper end position of the rack and pinion winches, on the other hand, turning the hand cranks becomes difficult.
  • the invention has for its object to facilitate the operation of the hand crank drives for rack and pinion winches of a lifting or lowering device of the type described, especially in the area of the two end positions of the rack and pinion jacks on their supports: At the same time, the lifting and lowering processes should be compared to the state the technology can be accelerated.
  • the advantage is achieved that the hand cranks in each height position of the rack winches on the supports in one for the Operator ergonomically favorable, ie user-friendly position can be brought.
  • the crankcase In the area of the upper and lower end positions of the rack and pinion winches on the supports, the crankcase is held on the respective winch housing at an incline downwards or upwards. Since a full rotation of the hand cranks is always possible even in the lowest setting positions of the rack and pinion jacks, the time required for lifting or setting down a large container from or on the floor is reduced.
  • the ergonomically optimal position of the operator also allows an overall higher average speed with less fatigue, which saves time.
  • the stick-shaped crankcases also advantageously allow the lifting heights to be lengthened compared to the prior art.
  • the handle-shaped crankcase can be easily weight-saving, so that it can be handled comfortably and pivoted into different positions.
  • the invention can be used particularly advantageously in rack winches for the above purposes, it can also be used in other winches, e.g. Spindle winches possible.
  • Hand cranks can thus advantageously be attached to both ends of the crankshaft, as a result of which a substantially improved manual power transmission to the crank mechanism is possible.
  • crank arms of the two hand cranks are laterally aligned with one another.
  • a chain, a V-belt or toothed belt, an articulated shaft or a cardanic drive can be provided as the force transmission means between the crankshaft and the drive shaft.
  • the simple strap versions are preferred because they also contribute to weight reduction.
  • crankcase and each winch housing are provided with coupling elements by means of which the crankcase can be pivotably attached to each winch housing in different working positions, the handling of the crankcase and its adjustment in different working positions will be further facilitated. In this case, the operator is relieved of the task of keeping the drive shaft in the crankcase coupled to the respective rack winch by manual force.
  • Another embodiment of the invention which is characterized by simplicity and lightweight construction, is characterized in that the coupling elements have a clutch disc attached to each winch housing with a. have a central opening for the passage of the drive shaft on the crankcase side and a clutch plate on the crankcase which engages behind the clutch disk and which can be guided behind it by at least one recess on the circumference of the clutch disk.
  • the cutout or the cutouts for the passage of the clutch plate are expediently arranged at the deepest and / or highest circumferential point of the clutch plate.
  • the locking means can simply have a locking bolt which is displaceably arranged on the crankcase and which can be snapped into corresponding openings in the winch housing or in parts attached to the winch housing.
  • the locking bolt is arranged so as to be radially displaceable and cushioned with respect to the clutch disc and the receiving openings for the locking bolt are formed on the circumference of the clutch disc and the radial extent by which the clutch plate engages behind the clutch disc is greater than that Depth of the receiving openings for the locking bolt meets the Clutch disc advantageously two functions at the same time.
  • a transmission and / or reduction can advantageously be installed in the drive train in the crankcase.
  • the ratio is used when the rack winch is to be moved up or down quickly along the support in the load-free state or even with a light load, while the reduction is used when lifting or lowering heavy loads to reduce the manual effort.
  • a particularly simple translation and / or reduction can be achieved in that the power transmission means drives at least one second drive shaft in the crankcase, which is mounted in the crankcase, offset slightly inward from the first drive shaft arranged at one end of the crankcase, and at a different speed than this is driven.
  • one or more overload protection devices e.g. be installed in the form of a slip clutch or a belt slip.
  • slip clutches are expediently provided in the area of the crankshaft or the drive shafts.
  • crankcase is provided with recessed grips, its handling is made easier.
  • the lifting or lowering device is described below by way of example only in connection with a large container 10, which e.g. can be a cabin, container or the like and has a rectangular plan.
  • the lifting or depositing device comprises in particular four cantilevers 11 which can be attached to the corners of the large container 10 and which carry rack winches 12.
  • the toothed racks 13 of these winches 12 are fastened to supports 14 and, when the toothed rack winches 12 are actuated by hand crank drives 17 to be described, the winch housings 15 can be raised or lowered along each support 14.
  • Two rack and pinion jacks 12 which are located opposite the long sides of the large container 10, are connected in terms of drive by a shaft 16, so that only two hand crank drives 17 have to be actuated in order to raise or lower the large container 10.
  • the large container 10 can, for example, be lifted from the bed of a truck and set down on the floor, or conversely raised from the floor and set down on the bed.
  • the large container 10 can also be carried by the lifting and depositing device at a certain distance above the floor.
  • the four supports 14 are provided with foot plates, not shown.
  • Each hand crank drive 17 has a stem-shaped, narrow crankcase 18, which in the embodiment according to FIGS. 4 and 5 or FIGS. 8 and 9 each consists of two halves 19 of the same type. These crankcase halves 19 are connected to one another by a plurality of screws 20.
  • a crankshaft 21 is supported in one end of the crankcase 18 and protrudes from the crankcase 18 with both ends.
  • Crank arms 22 are arranged on the ends of the crankshaft 21 in a rotationally fixed manner by means of pins 23.
  • the crank arms 22 are laterally aligned with one another and carry crank handles 24 at their free ends, which are preferably designed to be foldable.
  • a pulley 25 is fastened within the crankcase 18, over which an endless toothed belt 26 is guided.
  • the toothed belt 26 extends with its upper and lower run through cavities 27 and 28 in the gearbox 18 towards the other end, where it is guided around a further pulley 29.
  • the pulley 29 is fastened to a hollow shaft which forms a drive shaft 30 and is mounted in the other end of the crankcase 18.
  • the toothed belt 26 consequently forms the force transmission means between the crankshaft 21 and the drive shaft 30, which carries a square drive pin 31 at its free end (FIG. 5).
  • This square drive pin 31 can be inserted into a corresponding recess in a shaft 32 and thereby brought into a rotationally fixed connection with this shaft 32, which forms part of a respective winch gear 33 (FIG. 6).
  • a predetermined slip between the toothed belt 26 and the pulleys 25 and 29 is set in the embodiment of FIGS. 4 and 5.
  • a reduction ratio between the crankshaft 21 and the drive shaft 30 of 1: 0.7 is also preferably provided.
  • a different reduction ratio or a drive ratio of 1: 1 can also be set, which depends on the weights to be manipulated in each case.
  • the stroke length which the rack and pinion winches 12 travel along the supports 14 when loading or setting down the large container 10 is generally approximately 1.70-1.80 m.
  • the two crank boxes 18 can be positioned in correspondingly differently inclined working positions on the winch housings 15, as in Fig. 1 in full lines and is indicated in dash-dotted lines.
  • the crank boxes 18 also have a correspondingly predetermined length of, for example, 0.7 m.
  • the coupling elements comprise (FIGS. 6 and 7) a coupling disk 34 fastened to the winch housing 15, which has a central opening 35 through which the drive shaft 30 with its square drive pin 31 can be inserted.
  • the clutch disc 34 is thus arranged coaxially with respect to the pivot axis 36 of the crankcase 18. At its deepest circumferential point, it has a recess 37 for the passage of a coupling bracket 38, which is formed on a bearing part 39 fastened to the crankcase 18.
  • the coupling bracket 38 is arranged parallel to the longitudinal axis 40 of the crankcase 18, which intersects the pivot axis 36.
  • the arrangement is such that when the square drive pin 31 is inserted into the winch housing 15 for the purpose of establishing the drive connection to the respective winch gear 33, the coupling tab 38 through the recess 37 can be pushed through when the crankcase 18 is in a corresponding vertical, hanging position. If the crankcase 18 is then rotated upward about the pivot axis 36, the clutch plate 38 engages behind the clutch plate 34, as shown in FIGS. 6 and 7. In this way, the drive connection between the drive shaft 30 in the crankcase 18 and the shaft 32 of the respective winch gear 33 is secured.
  • the clutch disc 34 is provided on its circumference with two sets of three symmetrically opposite receiving openings 41 for a locking bolt 42.
  • the locking bolt 42 is mounted in the bearing part 39 fastened to the crankcase 18 in a radially displaceable manner with respect to the clutch disc 34.
  • a spring 44 engaging a ring or collar 43 on the locking bolt 42 always tries to press the locking bolt 42 according to FIGS. 6 and 7 to the left against the circumference of the clutch disc 34. If you pull the locking bolt 42 by hand against the pressure of the spring 44 to the right into its inactive position (according to FIGS.
  • crankcase 18 can turn the crankcase 18 about the pivot axis 36 in one of its (for example) three working positions (cf. 1) swivel.
  • the crankcase 18 is fixed to the winch housing 15.
  • the operator now has both hands free to turn the cranks in one direction or the other rotate.
  • the second set of three receiving openings 41 on the circumference of the clutch disc 34 advantageously enables them to be used in winches on both sides of the large container lo. 7 shows that the radial extent by which the coupling plate 38 engages behind the coupling plate 34 is greater than the depth of the receiving openings 41.
  • the coupling plate 38 in this exemplary embodiment is also wider than the receiving openings 41 for the locking bolt 42. This ensures that the function of the coupling tab 38 is not impaired by the receiving openings 41.
  • FIGS. 8 and 9 show a further embodiment of the invention, which has a second drive shaft 47 (FIG. 10) which can also carry square drive pins 31 a at both ends.
  • a pulley 45 which is in engagement with the toothed belt 26, is fastened on this second drive shaft 47, which is arranged slightly offset inward from the first drive shaft 30.
  • This second drive shaft 47 with the square drive pin 31 a is driven in comparison to the first drive shaft 30 when the hand crank drive is operated at a noticeably higher speed. It is always used when the supports 14, for example, quickly load-free or only under low load Approach the floor from below or vice versa. This is the so-called "overdrive" of the crank mechanism.
  • the transmission ratio is, for example, 1: 3.5 in a preferred exemplary embodiment.
  • the first drive shaft 30 with the square drive pin 31, on the other hand is driven at a ratio of 1: 0.7, as in the exemplary embodiment according to FIGS. 4 and 5, and is preferably used when correspondingly heavy loads are to be manipulated.
  • a slip clutch 46 is also provided as overload protection on both drive shafts 30, 47. Since these slip clutches are of the same construction, only one is described in connection with the drive shaft 47.
  • the square drive pin 31 a is attached to a sleeve 48 which is rotatably mounted in a bush 49, which is firmly installed in a corresponding hole in the crankcase half 19.
  • An annular collar 50 on the sleeve 48 in conjunction with an annular disk 51, secures the sleeve 48 against sliding out of the crankcase 18.
  • a transverse bore 52 is machined near the one end of the drive shaft 47, in which two are biased outwards by a spring 53
  • Coupling pieces 54 are radially displaceably mounted.
  • the coupling pieces 54 are held under normal operating conditions by the spring 53 with their projections 55 in corresponding recesses in the sleeve 48, whereby a rotationally fixed connection between the drive shaft 47 and its drive pin 31 a is made. If the rotational resistance on the drive pin 31 a exceeds a predetermined value,
  • the overload protection described above in the form of the slip clutch 46 is provided on both square drive pins 31 and 31 a. It can also be provided in the area of the crankshaft 21. A constructional simplification is achieved in the embodiment with two drive shafts.
  • the reference number 9 in FIGS. 4 and 5 denotes recessed grips on the crankcase 18 which facilitate its handling.
  • the crankcase 18 can also carry a wrench 8, by means of which e.g. the fastening screws or nuts for the arms 11 of the rack winches 12 can be tightened or loosened.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Structural Engineering (AREA)
  • Types And Forms Of Lifts (AREA)
  • Transmission Devices (AREA)
EP86102144A 1985-02-23 1986-02-19 Mécanisme à manivelle pour treuils, particulièrement pour crics à crémaillère d'un dispositif pour lever ou déposer des articles transportables sous forme de boîte, p. ex. des conteneurs Withdrawn EP0194479A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19853506422 DE3506422A1 (de) 1985-02-23 1985-02-23 Handkurbeltrieb fuer winden, insbesondere zahnstangenwinden einer hub- bzw. absetzvorrichtung fuer transportable kastenfoermige gegenstaende, z.b. grossbehaelter
DE3506422 1985-02-23

Publications (1)

Publication Number Publication Date
EP0194479A2 true EP0194479A2 (fr) 1986-09-17

Family

ID=6263399

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86102144A Withdrawn EP0194479A2 (fr) 1985-02-23 1986-02-19 Mécanisme à manivelle pour treuils, particulièrement pour crics à crémaillère d'un dispositif pour lever ou déposer des articles transportables sous forme de boîte, p. ex. des conteneurs

Country Status (4)

Country Link
US (1) US4706936A (fr)
EP (1) EP0194479A2 (fr)
CA (1) CA1243662A (fr)
DE (1) DE3506422A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2606004A1 (fr) * 1986-11-04 1988-05-06 Azzopardi Georges Systeme de manutention verticale et de remorquage de conteneurs normalises
EP1547965A1 (fr) * 2003-12-22 2005-06-29 Haacon Hebetechnik GmbH Dispositif de levage et de transport pour un conteneur

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10201008B4 (de) * 2002-01-11 2010-07-08 Mettler-Toledo Ag Wägesystem mit einem Hubsystem
US6871412B2 (en) * 2002-04-23 2005-03-29 Daniel Markeson Alignment tool and method for aligning large machinery
US20050050703A1 (en) * 2003-09-05 2005-03-10 Austun Kessler Method for routine pit-stop turnaround
US7407151B2 (en) * 2006-03-22 2008-08-05 Cequent Trailer Products, Inc. Integrated jack and winch assembly
DE202009006892U1 (de) * 2009-03-16 2009-09-03 Riedl, Reinhold, Dipl.-Ing. Höhenverstellbare Stütze für Sattelauflieger o.dgl.
DE202009007876U1 (de) 2009-06-04 2009-09-17 Rewald Gmbh Zahnstangengewinde mit einer zum Anheben von Lasten vorgesehenen, mechanisch angetriebenen Zahnstange
DE102009023922A1 (de) * 2009-06-04 2010-12-09 Rewald Gmbh Als Hebezeug ausgebildete Zahnstangenwinde und Verfahren zur Bereitstellung einer erforderlichen Arbeitsleistung zur Betätigung der Zahnstangenwinde
DE202015002812U1 (de) 2015-04-18 2015-06-16 Rewald Gmbh Betätigungseinrichtung für einen schwenkbar an einem Container angeordneten Containerdeckel

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2161136A (en) * 1937-05-12 1939-06-06 Conradson Prentice Attached jack for vehicles
US2499005A (en) * 1947-08-28 1950-02-28 Sellers Ira Ceiling board jack
DE1941463U (de) * 1966-04-13 1966-06-30 Alexander Dipl Ing Hahn Ausfahrbarer mast.
DE2209962C2 (de) * 1972-03-02 1973-12-20 Fa. Ferd. Braselmann, 5828 Ennepetal Hochuntersetztes Getriebe
US4137784A (en) * 1977-11-14 1979-02-06 Industrial Device Corporation Electromechanical equivalent of fluid powered cylinder
DE3226882C2 (de) * 1982-07-17 1986-01-30 Haacon Hebetechnik GmbH, 6982 Freudenberg Hub- bzw. Absetzvorrichtung für transportable Behälter, z.B. Kabinen, Container, o.dgl.
DE3012783C2 (de) * 1980-04-02 1982-03-18 Jean Walterscheid Gmbh, 5204 Lohmar Ausrückkupplung
DE8235609U1 (de) * 1982-12-18 1983-03-31 Haacon Hebetechnik GmbH, 6982 Freudenberg Hub- und absetzvorrichtung fuer transportable raumzellen, baubuden, grossbehaelter oder dergl.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2606004A1 (fr) * 1986-11-04 1988-05-06 Azzopardi Georges Systeme de manutention verticale et de remorquage de conteneurs normalises
EP1547965A1 (fr) * 2003-12-22 2005-06-29 Haacon Hebetechnik GmbH Dispositif de levage et de transport pour un conteneur

Also Published As

Publication number Publication date
DE3506422C2 (fr) 1987-12-17
DE3506422A1 (de) 1986-09-04
US4706936A (en) 1987-11-17
CA1243662A (fr) 1988-10-25

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