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WO2025073406A1 - Liaison de joint de tambour de câble pour un dispositif de levage - Google Patents

Liaison de joint de tambour de câble pour un dispositif de levage Download PDF

Info

Publication number
WO2025073406A1
WO2025073406A1 PCT/EP2024/073938 EP2024073938W WO2025073406A1 WO 2025073406 A1 WO2025073406 A1 WO 2025073406A1 EP 2024073938 W EP2024073938 W EP 2024073938W WO 2025073406 A1 WO2025073406 A1 WO 2025073406A1
Authority
WO
WIPO (PCT)
Prior art keywords
cable drum
joint part
side joint
coupling
gear
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
PCT/EP2024/073938
Other languages
German (de)
English (en)
Inventor
Rahim Gross
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.)
MAT Malmedie Antriebstechnik GmbH
Original Assignee
MAT Malmedie Antriebstechnik 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 MAT Malmedie Antriebstechnik GmbH filed Critical MAT Malmedie Antriebstechnik GmbH
Publication of WO2025073406A1 publication Critical patent/WO2025073406A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
    • F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
    • F16D3/20—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members
    • F16D3/22—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts
    • F16D3/221—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being located in sockets in one of the coupling parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/02—Driving gear
    • B66D1/14—Power transmissions between power sources and drums or barrels
    • B66D1/16—Power transmissions between power sources and drums or barrels the drums or barrels being freely rotatable, e.g. having a clutch activated independently of a brake
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
    • F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
    • F16D3/18—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts the coupling parts (1) having slidably-interengaging teeth
    • F16D3/185—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts the coupling parts (1) having slidably-interengaging teeth radial teeth connecting concentric inner and outer coupling parts

Definitions

  • rope drum joints are used in hoists, particularly in crane hoists, for transmitting specified radial forces and torques.
  • Rope drum joints of this type are disclosed, for example, in the published patent application DE 30 07 319 A1 and the patent application DE 10 2006 022 782 B3.
  • These rope drum joints are advantageously designed to compensate for misalignment during operation, i.e., an angular offset between the joint parts, even when large torques are to be transmitted, and also to provide a good distribution of the radial load and thus a long service life, whereby relevant safety specifications for Bending stress and radial peak loads must be observed.
  • the present invention is based on the technical problem of at least partially avoiding the described disadvantages of the prior art.
  • the cable drum joint connection is designed for use in a hoist in which a cable drum is connected to a gear of a drive via a cable drum joint connection, wherein the cable drum joint connection comprises a gear-side joint part comprising a first coupling section and a cable drum-side joint part comprising a second coupling section, and wherein in the installed position of the joint parts, first and second coupling sections are designed and arranged to provide an operative connection between the joint parts for transmitting radial forces and torques.
  • the cable drum joint connection according to the invention is characterized in that the gearbox-side joint part has a plurality of first coupling sections which are spaced apart or adjacent with respect to an axis and which can each be brought into an operative connection with one another by an associated relative change in the arrangement of the gearbox-side and the cable drum-side joint part.
  • the cable drum joint connection according to the invention is based on the idea of providing a plurality of identical first coupling sections on at least one joint part of the joint connection, in particular the joint part that represents the largest component of the cable drum joint connection, which can be brought into a respective operative connection with a second coupling section of the further joint part that is adapted thereto and acts in a particularly complementary manner, so that when wear occurs between the coupling sections of the joint parts that are in operative connection, another coupling section, in particular one that is functionally and structurally identical, can be selected on the said joint part and brought into operative connection with the coupling section of the other joint part.
  • first coupling sections can generally be produced by an associated relative arrangement change of the gear-side and the cable drum-side joint part, e.g. by a translatory and/or rotational movement of the a joint part relative to the other joint part.
  • This joint part comprising a plurality of similar coupling sections, does not have to be replaced when a predetermined level of wear occurs, but can instead be brought into a further operative connection between another of the first coupling sections and the second coupling section of the other joint part by a relative change in the arrangement of the gearbox-side joint part to the cable drum-side joint part.
  • the plurality of first coupling sections of the gear-side joint part which can be arranged consecutively or spaced apart on the gear-side joint part with respect to an axis, can be of identical design and each designed to cooperate with the second coupling section of the cable drum-side joint part to produce an identical operative connection with essentially identical torque and radial force transmission.
  • the gear-side joint part can have more than two axially spaced first coupling sections for reusing the gear-side joint part in the cable drum joint connection according to the invention.
  • the gear-side joint part can particularly expediently have exactly two axially adjacent or spaced first coupling sections, which can be arranged, for example, on opposite axial end sections of the gear-side joint part.
  • Such a design measure is particularly expedient when designing the gear-side joint part as a hub, wherein the two axially spaced or adjacent first coupling sections can be arranged on opposite axial end sections of the hub.
  • the transmission-side joint part is arranged in a plane perpendicular to the Axis is mirror-symmetrical.
  • the gear-side joint part is designed as a hub, so that when the first coupling section of the hub is changed to set an operative connection with the second coupling section of the housing receiving the hub, the hub is rotated through an angle of 180° with respect to an axis of rotation which is perpendicular to the axis of the hub, so that the other of the two first coupling sections can be brought into operative connection with the second coupling section of the coupling housing.
  • the said mirror-symmetrical plane can lie on the longitudinal center of the hub.
  • the two first coupling sections arranged axially adjacent or spaced apart on the joint part can be transferred into a mutual arrangement with the second coupling section of the second joint part by means of a simple translational movement.
  • the first coupling sections of the transmission-side joint part can be structurally identical, and the mirror symmetry described above can be absent.
  • the coupling sections assigned to one another and designed to form an operative connection can be designed and arranged to engage directly with one another in the installed position of the gear-side joint part and the cable drum-side joint part, so that no additional components are necessary at the coupling or force transmission point of the cable drum joint connection according to the invention.
  • force transmission elements in particular in the form of barrel rollers, are arranged between one of the first coupling sections of the gear-side joint part and the second coupling section of the cable drum-side joint part.
  • the first and second coupling sections can, for example, have semicircular toothings with a plurality of semicircular receptacles serving as bearing surfaces for the force transmission elements, in which the force transmission elements or the barrel rollers are inserted so as to be longitudinally displaceable.
  • the gearbox-side joint part designed as a hub can have a plurality of, in particular axially adjacent or axially spaced, semicircular toothings on its outer surface for designing the semicircular receptacles serving as bearing surfaces for the force transmission elements.
  • this embodiment of the cable drum joint connection according to the invention alignment errors between the joint parts can be compensated for even when large torques are to be transmitted, wherein it is easy to assemble and provides optimal distribution of the radial load through a large contact surface of the force transmission elements or barrel rollers, accompanied by a long service life of the cable drum joint connection according to the invention, which is moreover designed for reuse with regard to the gearbox-side joint part due to the possibility of using a plurality of first coupling sections for setting a respective operative connection between the two joint parts.
  • the coupling section of one of the joint parts can have a barrel circular toothing with barrel teeth formed integrally thereon, and the other joint part can have a barrel circular toothing receptacle formed complementarily thereto, so that in this embodiment of the cable drum joint connection designed according to the invention, the force transmission elements specified above can be dispensed with and at the same time the described advantages when using barrel rollers as force transmission elements can be provided.
  • a gearbox-side joint part designed as a hub with a plurality of first coupling sections, in particular two first coupling sections, can have a plurality of, in particular two axially spaced barrel circular toothings or a plurality of, in particular two axially spaced barrel circular toothing receptacles.
  • the gear-side joint part of the cable drum joint connection can be designed as a hub and the cable drum-side joint part as a housing receiving the hub.
  • the hub can expediently be designed as a hollow hub for receiving a transmission output shaft. Since when changing from one of the first coupling sections of the gear-side joint part to another first coupling section of the gear-side joint part for establishing an operative connection with the second Since it is usually advisable or necessary to loosen the transmission output shaft-hub connection in the coupling section of the joint part on the cable drum side, this connection should be designed to be as simple to produce and detachable as possible.
  • the hollow hub is formed with internal surface toothing to provide a shaft-hub connection in the form of a spline (plug-in spline) with the transmission output shaft formed with external surface toothing.
  • this spline can be formed, for example, as a spline with involute flanks, as a spline with wedge flanks or as a spline with notched flanks.
  • the present invention solves the above-mentioned technical problem by a method for the maintenance of a cable drum joint connection, which is designed according to one of claims 1 to 8, and in which the force transmission point or operative connection between one of the first coupling sections of the gear-side joint part and the second coupling section of the cable drum-side joint part has a predetermined wear, i.e. the operatively connected first and second coupling sections have wear in such a way that predetermined technical dimensional conditions no longer exist.
  • the method according to the invention comprises the steps:
  • force transmission elements in particular barrel rollers
  • the force transmission elements in particular barrel rollers
  • it can also be provided to replace not only the cable drum-side joint part, in particular not only the coupling housing, but also the force transmission elements, such as the barrel rollers.
  • Figure 1 a cable drum joint connection designed according to the invention in a perspective View
  • Figure 2 shows the cable drum joint connection according to the invention of Figure 1 in an exploded view.
  • a barrel coupling 1 is explained below, along with modifications, as is particularly suitable for crane hoists in which a cable drum is connected to a gear of a drive via the cable drum joint connection.
  • a hoist not shown in the figures, comprises a motor, preferably an electric motor, followed by a reduction gear, wherein a cable drum connected to the reduction gear is driven via the reduction gear.
  • the barrel coupling 1 according to the invention in Figure 1 has a coupling hub 2 with a hub receptacle 20 for receiving the transmission output shaft (not shown in the figure), wherein for the positive fixing of the shaft in the hub, keyways 21 can be provided for the partial reception of a shaft which is inserted in partial sections both into the hub and into the received shaft extending key.
  • the coupling housing 4 On the cable drum side, the coupling housing 4 has a connecting flange 40 which comprises a plurality of circumferentially spaced screw holes 41 for fastening to an associated connecting flange of the cable drum (not shown).
  • the barrel coupling 1 according to the invention has a coupling hub 2 which, in the described
  • the first coupling sections Kl.1, Kl.2 comprise circumferentially successive receiving recesses 22.1, 22.2 with external toothings 23.1, 23.2 delimiting them.
  • the latter has an individual second coupling section K2 which extends axially like the first coupling sections of the hub and which is designed and configured to interact with one of the two first coupling sections Kl . 1 , Kl . 2 of the coupling hub 2 .
  • the clutch housing 4 has circumferentially successive receiving troughs 42 on its inner surface, which are separated by associated internal toothings 43 of the clutch housing 4.
  • barrel rollers 6 are provided which are arranged on a pitch circle and are mounted in the rows of receiving troughs 22. 2 and 42.
  • the receiving troughs 22. 2 are formed on an external toothing 23. 2
  • the receiving troughs 42 are formed on the internal toothing 43.
  • some of the barrel rollers 6 have been removed in Figure 2.
  • the barrel coupling 1 is designed due to the described mirror symmetry in such a way that by rotating the coupling hub 2 about an axis of rotation which is perpendicular to the axis of the coupling 1 , the other first Coupling section K1 . 1 of the coupling hub 2 is arranged to set an operative connection with the second coupling section K2 of the coupling housing 4 via the described arrangement of the barrel rollers 6 in the arranged receiving recesses 22 . 1 , 42 .
  • An outer cover 9 can be provided on the gearbox side as a closure. When assembled, this outer cover rests against the gearbox-side end face of the clutch housing 4 and can be attached thereto by means of screw connections.
  • an O-ring (not shown) can be provided as a seal between the coupling hub 2 and the coupling housing 4.
  • the pressure ring 7 engages in a respective groove 24. 1 or 24. 2 of the coupling hub 2, depending on which of the two first coupling sections Kl. 1, Kl. 2 is operatively connected to the coupling housing 4.
  • the inventive design of the described barrel coupling 1 enables resource-saving maintenance of the barrel coupling 1, since at least the coupling hub 2 in the described embodiment can be used twice and, depending on wear, only the coupling housing 4 together with the barrel rollers 6 and, if necessary, the seals and the pressure ring 7 have to be replaced, so that at least the largest component of the barrel coupling 1 can be reused.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Storing, Repeated Paying-Out, And Re-Storing Of Elongated Articles (AREA)
  • Gears, Cams (AREA)

Abstract

L'invention concerne une liaison de joint de tambour de câble (1) pour un dispositif de levage dans lequel un tambour de câble est relié à une transmission d'un entraînement au moyen de la liaison de joint de tambour de câble (1), ayant une partie de joint côté transmission (2) comprenant une première partie d'accouplement (K1.1, K1.2) et une partie de joint côté tambour de câble (4) comprenant une seconde partie d'accouplement (K2). Lorsque les parties de joint (2, 4) sont dans la position installée, les première et seconde parties d'accouplement (K1.1, K1.2, K2) sont formées et agencées pour fournir une liaison efficace entre les parties de joint (2, 4) pour transférer des forces radiales et des couples. La partie de joint côté transmission (2) comporte une pluralité de parties d'accouplement (K1.1, K1.2) qui sont espacées par rapport à un axe et qui peuvent chacune être amenées dans une liaison efficace entre les première et seconde parties de joint (2, 4) au moyen d'un changement d'agencement relatif attribué de la partie de joint côté transmission et côté tambour de câble (2, 4) l'une par rapport à l'autre.
PCT/EP2024/073938 2023-10-04 2024-08-27 Liaison de joint de tambour de câble pour un dispositif de levage Pending WO2025073406A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102023126983.6A DE102023126983A1 (de) 2023-10-04 2023-10-04 Seiltrommelgelenkverbindung für ein Hubwerk
DE102023126983.6 2023-10-04

Publications (1)

Publication Number Publication Date
WO2025073406A1 true WO2025073406A1 (fr) 2025-04-10

Family

ID=92627353

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2024/073938 Pending WO2025073406A1 (fr) 2023-10-04 2024-08-27 Liaison de joint de tambour de câble pour un dispositif de levage

Country Status (2)

Country Link
DE (1) DE102023126983A1 (fr)
WO (1) WO2025073406A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3007319A1 (de) 1980-02-27 1981-09-03 Malmedie & Co Maschinenfabrik GmbH, 4000 Düsseldorf Tonnenkupplung
DE102006022782B3 (de) 2006-05-16 2007-11-22 M.A.T. Malmedie Antriebstechnik Gmbh Seiltrommelgelenkverbindung für ein Hubwerk
DE202017101823U1 (de) * 2017-03-29 2018-07-13 M.A.T. Malmedie Antriebstechnik Gmbh Tonnenkupplung, insbesondere für eine Seiltrommelgelenkverbindung eines Hubwerks
DE202021103703U1 (de) * 2021-07-09 2022-10-13 M.A.T. Malmedie Antriebstechnik Gmbh Tonnenkupplung für Seiltrommel-Gelenkverbindungen

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3007319A1 (de) 1980-02-27 1981-09-03 Malmedie & Co Maschinenfabrik GmbH, 4000 Düsseldorf Tonnenkupplung
DE102006022782B3 (de) 2006-05-16 2007-11-22 M.A.T. Malmedie Antriebstechnik Gmbh Seiltrommelgelenkverbindung für ein Hubwerk
DE202017101823U1 (de) * 2017-03-29 2018-07-13 M.A.T. Malmedie Antriebstechnik Gmbh Tonnenkupplung, insbesondere für eine Seiltrommelgelenkverbindung eines Hubwerks
DE202021103703U1 (de) * 2021-07-09 2022-10-13 M.A.T. Malmedie Antriebstechnik Gmbh Tonnenkupplung für Seiltrommel-Gelenkverbindungen

Also Published As

Publication number Publication date
DE102023126983A1 (de) 2025-04-10

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