WO2010127954A1 - Palan à double chaîne - Google Patents

Palan à double chaîne Download PDF

Info

Publication number
WO2010127954A1
WO2010127954A1 PCT/EP2010/055476 EP2010055476W WO2010127954A1 WO 2010127954 A1 WO2010127954 A1 WO 2010127954A1 EP 2010055476 W EP2010055476 W EP 2010055476W WO 2010127954 A1 WO2010127954 A1 WO 2010127954A1
Authority
WO
WIPO (PCT)
Prior art keywords
drive sprocket
chain
chain hoist
coupling element
transmission
Prior art date
Application number
PCT/EP2010/055476
Other languages
German (de)
English (en)
Inventor
Oliver Moll
Klaus Nerger
Original Assignee
Demag Cranes & Components 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 Demag Cranes & Components Gmbh filed Critical Demag Cranes & Components Gmbh
Publication of WO2010127954A1 publication Critical patent/WO2010127954A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D3/00—Portable or mobile lifting or hauling appliances
    • B66D3/18—Power-operated hoists

Definitions

  • the invention relates to a double chain hoist with an electric motor acting on a transmission with an output shaft on which a first drive sprocket is arranged in engagement with a first chain which is drivingly connected via a transmission element to a second drive sprocket in engagement with a second chain. wherein the first chain and the second chain for raising and lowering bulky goods are synchronously driven.
  • the double chain hoist is mainly used for lifting and lowering of long or bulky goods.
  • the double chain hoist has two chains, which run horizontally spaced apart from Umlenkkettenzumn to stabilize the goods to be lifted and lowered.
  • the double chain hoist consists in the usual way of an electric motor, which acts via a gear on a Doppelantriebskettenrad.
  • the Doppelantriebskettenrad is mounted on a common output shaft of the transmission and drives parallel to the two chains.
  • a storage container for the currently unused sections of the two chains is present.
  • the two chains are thus guided starting from the common storage container via the Doppelantriebskettenrad and the Umlenkkettenizan to the long or bulky Good, which is suspended via a respective load-receiving means at the ends of the chains.
  • the double drive sprocket and the Umlenkkettenganrn of which run the first and the second chain in the direction of the goods, depending on the structure of the double chain further deflecting wheels are arranged.
  • German patent application DE 35 11 656 A1 shows a double chain hoist in a different construction. The main difference is that no
  • Doppelantriebskettenrad is used, but the first chain of a first drive sprocket and the second chain is driven by a second drive sprocket.
  • the first drive sprocket is drivingly connected via an electric motor to a transmission, which is associated with a first storage container for the first chain.
  • a transmission which is associated with a first storage container for the first chain.
  • the first chain passed over the first drive sprocket to a Umlenkkettenrad, from which the chain runs to the Good and is attached via a first load-receiving means thereto.
  • the second drive sprocket is arranged, which is drivingly connected via a roller chain with the Umlenkkettenrad.
  • additional gears are mounted coaxially next to the second drive sprocket and the Umlenkkettenrad, which are in engagement with the roller chain.
  • German Utility Model DE 1 824 826 U1 is a multiple chain hoist with four chains and four drive sprockets, which are arranged in the corners of an imaginary quadrilateral and in a horizontal plane.
  • the first drive sprocket is driven by a geared electric motor.
  • the second, third and fourth drive sprockets are each drivingly connected to the first drive sprocket via first, second and third transmission shafts and, if necessary, via associated sprockets.
  • the present invention has for its object to provide a double chain hoist, which is characterized by a simple construction using standard components.
  • the assembly of the double chain hoist is further facilitated by the fact that the first coupling element is accessible from the outside for the coupling of the transmission shaft.
  • the standard Einzelkettenyak a cover which is provided with an opening through which the first coupling element is accessible.
  • the drive shaft of the Einzelkettenzugmoduls is connected to a second coupling element and the transmission shaft connected to a second end to the second coupling element.
  • first coupling element and the second coupling element are each designed as a sleeve with an internal toothing.
  • the transmission shaft and the output shaft are each provided with an external toothing, which is designed to match the internal toothing of the first and second coupling element.
  • a simple design of the double chain hoist is favored by the fact that the first axis of rotation of the first drive sprocket, the second axis of rotation of the second drive sprocket and the third axis of rotation of the transmission shaft are aligned coaxially with each other.
  • the first drive sprocket is associated with a first memory for the first chain and the second drive sprocket, a second memory for the second chain.
  • first drive sprocket and the second drive sprocket are horizontally spaced apart and fixed at the same height on a common connection frame.
  • the standard single-chain hoist and the single-chain hoist module are connected to one another at a distance desired by a customer via the connecting frame.
  • the connection frame serves as a torque arm in the
  • the Einzelkettenzugmodul is constructed, since it is provided that the second drive sprocket is mounted via the drive shaft in a second housing which is fixed to the connection frame.
  • a single-chain hoist or standard single-chain hoist is understood to mean a hoist with a single chain and a single drive sprocket.
  • a double chain hoist on two chains which are driven in parallel via a first drive sprocket and a second drive sprocket, which are mounted on a common output shaft of the transmission of the double chain hoist.
  • the two chains then run away from separate Umlenkketten impartn the double chain hoist and are stored in separate chain memories.
  • the chains are driven synchronously, so that bulky loads can be lifted and lowered safely without tilting them by the lifting or lowering movement.
  • FIG. 1 shows a view of a double chain hoist according to the invention
  • Figure 2 is a side view of Figure 1 and Figure 3 is a partial view of Figure 1 partly in section.
  • FIG. 1 shows a view of a double chain hoist 1 according to the invention, which is essentially constructed from a standard single-chain hoist 2 and a single-chain hoist module 3.
  • the standard single-chain hoist 2 has an electric motor 2a which acts via a gear 2b on a first drive sprocket 2d concealed by a housing 2c (see FIG. 3).
  • a first chain 2e is driven via the first drive sprocket 2d, at the lower end of which a first load hook 2f is fastened.
  • a first storage 2g is suspended on the housing 2c for the part of the first chain 2e which is not in use.
  • a cover 2h is arranged at the electric motor 2a opposite end of the housing 2c.
  • This cover 2h is cuboid and pot-shaped and can thus form an installation space for electrical and electronic components of the standard single chain 2 and seal this installation space tight against external influences such as moisture and dust against the housing 2c.
  • a control switch 4 for the electric motor 2a is provided, which is suspended in a conventional manner via a control line 4a to the housing 2c.
  • the standard single-chain hoist 2 is a component of the double-chain hoist 1 according to the invention and is connected to the single-chain hoist module 3 via a connecting frame 5.
  • the connecting frame 5 has seen in plan view a rectangular shape with two parallel and spaced apart longitudinal beams, the ends of which are interconnected via two parallel and spaced-apart cross member.
  • the connection frame 5 is used to set a desired distance from the customer between the standard single chain 2 and the Einzelkettenzugmodul 3.
  • the connection frame 5 has the task as a torque arm in the
  • standard single-chain hoist 2 is fastened at a first end 5a of the connecting frame 5 via first suspension lugs 2i arranged on the housing 2c of the standard single-chain hoist 2.
  • first suspension lugs 2i arranged on the housing 2c of the standard single-chain hoist 2.
  • the Einzelkettenzugmodul 3 attached via corresponding second suspension tabs 3f.
  • the Einzelkettenkarmodul 3 consists essentially of a second housing 3a, in which the second drive sprocket 3b (see Figure 3) is mounted.
  • the second housing 3a is block-shaped or parallelepiped-shaped.
  • the second drive sprocket 3b is engaged with a second chain 3c which runs in the direction of the load to be lifted and lowered by the second drive sprocket 3b.
  • a second load hook 3d is attached to one of the two ends of the second chain 3c.
  • the part of the second chain 3c that is not currently in use is stored in a second memory 3e suspended on the second housing 3a in the area of the second drive sprocket 3b.
  • a second suspension tab 3f is arranged, via which on the one hand the Einzelkettenzugmodul 3 is connected to the connecting frame 5 and on the other hand, the double chain 1 is suspended from a second chassis 6b.
  • the standard single-chain hoist 2 and the single-chain hoist module 3 are drivingly connected to one another via a transmission shaft 8.
  • the second drive sprocket 3b of the Einzelkettenzugmoduls 3 is thus driven directly by the electric motor 2a of the standard single-chain hoist 2 without an additional translation.
  • a load to be lifted by the double chain hoist 1 and suspended from the first and second chains 2e, 3c can thus be lifted and lowered synchronously without this load being tilted during the lifting and lowering movement.
  • the first and second drive sprockets 2d, 3b are the same size and also the first and second chains 2e, 3c are of the same type.
  • FIG. 2 shows a side view of Figure 1, from which it can be seen essentially that the rail 7 has an I-shaped cross-section and the first and second chassis 6a, 6b roll with their wheels not shown on the lower flange of the rail 7. Also, one of the two chassis 6a, 6b have their own drive motor 6c.
  • the first chassis 6a and the second chassis 6b consist essentially of two suspension halves 6d and 6e, which engage around the rail 7 in a U-shaped manner from below.
  • the first suspension half 6d and the second suspension half 6e are connected at their lower end via a crossbeam 6f, which has a full-round cross-section.
  • a second suspension lug 5d is suspended in the middle of the rail 7 and thus below the rail 7, which is connected to the Einzelkettenzugmodul 3.
  • a corresponding first suspension lug 5c can be found in the region of the first chassis 6a (see FIG. 1).
  • This first suspension lug 5c is correspondingly connected to the standard single-chain hoist 2. Also, there is the cross-beam 6f to find, with the first hanging loop 5c is suspended on the first chassis 6a.
  • FIG. 3 shows a partial view of Figure 1 partially in section.
  • the gearbox 2b arranged in the first housing 2c has an output shaft 2j.
  • the drive shaft 2j carries, at an end facing the electric motor 2a, the first drive sprocket 2d, with which the first chain 2e engages.
  • the output shaft 2j is provided with external teeth 2k.
  • the external toothing 2k serves to receive a first coupling element 9a.
  • the first coupling element 9a is formed as a sleeve and has inside a matching to the external teeth 2k internal toothing 9c. It also shows that
  • this separating element 9d which is preferably designed as a pin, in particular as a clamping pin, the internal toothing 9c is divided into two areas.
  • the Transmission shaft 8 is inserted, which also has at its first end 8a an external toothing 8b, which is suitable for the internal toothing 9c of the first coupling element 9a.
  • the output shaft 2j and the transmission shaft 8 rotatably and positively connected to each other.
  • the cover 2h of the standard single-chain hoist 2 has an opening 10, around which the first one is arranged completely within the installation space 1 1 closed by the cover 2h
  • the first coupling element 9a is sealed by a seal 14, in particular an axial sealing ring, against the inside of the cover 2h.
  • the seal 14 rotates with the first coupling element 9a.
  • the designated as a standard single chain 2 chain hoist deviates from the design of a single chain only to the effect that the output shaft 2j was extended in the direction of the installation space 11, was provided with the external teeth 2k and then a first coupling element 9a with internal teeth 9c was attached. Furthermore, the opening 10 is provided in the cover 2h. The entire remaining chain hoist corresponds to the standard design.
  • the transmission shaft 8 serves to drive the standard single chain 2 to connect with the Einzelkettenzugmodul 3.
  • the opposite the standard single chain 2 second end 8c also a
  • This drive shaft 3g protrudes at least with its external toothing 3h out of the second housing 3a of the Einzelkettenzugmoduls 3 out.
  • the drive shaft 3g is mounted in the usual way via ball bearings in the second housing 3a.
  • the second drive sprocket is on the drive shaft 3h 3b, which engages with the second chain 3c.
  • the standard single chain 2 has in a conventional manner on its upper side in the region of its first housing 2c four arranged in the corners of an imaginary quadrangle first suspension lugs 2i, each having a central bore.
  • first suspension lugs 2i each having a central bore.
  • FIG. 3 are shown by the sectional view, only the two rear first suspension tabs 2i, the holes are aligned with each other. Through the central holes of the two rear first
  • Hanger 2i is a first pin 12a and through the central holes of the two front not shown first suspension tabs, a second unillustrated bolt is pushed through.
  • a first connection bracket 13a is attached on the left and a second connection bracket 13b is attached with two holes on the right and secured on the first and second bolts 12a via a securing ring.
  • These first and second connection brackets 13a and 13b are then bolted to the connection frame 5.
  • the first bolt 12a and the second bolt serve to receive the first suspension lug 5c between the two first suspension lugs 2i and to fix them to the standard single-chain hoist 2.
  • the suspension eye 5c has at its lower end a rectangular crosspiece 5e arranged at right angles to the suspension eye 5c, in the opposite end regions of which in each case a bore for receiving the first bolt 12a and the second bolt are arranged.
  • the Einzelkettenzugmodul 3 is fastened in a comparable manner to the connecting frame 5.
  • a third connecting bracket 13c and a fourth connecting bracket 13d are provided here, which are connected to one another by a third bolt 12b, a fourth bolt (not shown), the second suspension eyelet 5d with their transverse web 5f.
  • the distance a (see FIG. 1) can be freely selected by appropriately selecting the length of the connecting frame 5 and the transmission shaft 8 in predetermined regions. Also one Subsequent change of the distance a in the course of a reconstruction of the double chain hoist 1 is possible.
  • FIG. 3 shows that the first rotation axis of the output shaft 2j, the second rotation axis of the transmission shaft 8, and the drive shaft 3g are coaxially aligned with each other.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)

Abstract

L'invention concerne un palan à double chaîne, doté d'un moteur électrique agissant sur une transmission pourvue d'un arbre de sortie sur lequel est disposé un premier pignon à chaîne d'entraînement en prise avec une première chaîne et relié, par un élément de transmission, à un second pignon à chaîne d'entraînement en prise avec une seconde chaîne, la première chaîne et la seconde chaîne étant actionnée de manière synchrone pour soulever et abaisser des produits volumineux. L'objet de la présente invention est d'obtenir un palan à double chaîne qui se caractérise par un montage simple avec utilisation de pièces standard, l'invention prévoit que le moteur électrique (2a), la transmission (2b) et le premier pignon à chaîne d'entraînement (2d) sont des composants d'un palan à chaîne unique standard (2), l'arbre de sortie (2j) de la transmission (2b) est relié à un premier élément de couplage (9a), l'élément de transmission est conçu comme arbre de transmission (8) et cet arbre de transmission (8) est relié par une première extrémité (8a) au premier élément de couplage (9a).
PCT/EP2010/055476 2009-05-02 2010-04-23 Palan à double chaîne WO2010127954A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009019816.4 2009-05-02
DE102009019816A DE102009019816A1 (de) 2009-05-02 2009-05-02 Doppelkettenzug

Publications (1)

Publication Number Publication Date
WO2010127954A1 true WO2010127954A1 (fr) 2010-11-11

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ID=42288769

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2010/055476 WO2010127954A1 (fr) 2009-05-02 2010-04-23 Palan à double chaîne

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DE (1) DE102009019816A1 (fr)
WO (1) WO2010127954A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110294413A (zh) * 2019-07-30 2019-10-01 苏州必艾姆起重设备有限公司 一种超低净空式双链条同步起升电动环链葫芦起升装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010062774A1 (de) * 2010-12-09 2012-02-16 Pilz & Blasek GbR (Vertretungsberechtigter Gesellschafter Herr Jörg Blasek, Schulstr. 66, 27726 Worpswede) Winde, insbesondere Seildurchlaufwinde

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1824826U (de) 1958-11-05 1961-01-12 Vogt Werke K G Elektrozug.
EP0189525A2 (fr) * 1985-01-31 1986-08-06 MANNESMANN Aktiengesellschaft Treuil
JPS61197396A (ja) * 1985-02-28 1986-09-01 株式会社　キト− ２箇所吊り電動チエ−ンブロツク
DE3511655A1 (de) * 1985-03-29 1986-10-02 Georg 8200 Rosenheim Uttscheid Vorrichtung zum gleichmaessigen heben und senken einer langgestreckten last
DE3511656A1 (de) 1985-03-29 1986-10-02 Georg 8200 Rosenheim Uttscheid Einrichtung zum gleichmaessigen heben und senken einer langgestreckten last
CN2454412Y (zh) * 2000-12-25 2001-10-17 任淑娟 移动式双吊点环链葫芦启闭机
DE102004021708B4 (de) 2004-04-30 2008-07-10 R. Stahl Fördertechnik GmbH Vereinfachte Katze mit niedriger Bauhöhe
DE102007039030A1 (de) * 2007-08-17 2009-02-26 Hoffmann Fördertechnik GmbH Wurzen Elektrokettenzug mit großer Hubhöhe und hoher Hubgeschwindigkeit

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4104985A1 (de) * 1991-02-19 1992-08-20 Stahl R Foerdertech Gmbh Schwingarmer elektrokettenzug

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1824826U (de) 1958-11-05 1961-01-12 Vogt Werke K G Elektrozug.
EP0189525A2 (fr) * 1985-01-31 1986-08-06 MANNESMANN Aktiengesellschaft Treuil
JPS61197396A (ja) * 1985-02-28 1986-09-01 株式会社　キト− ２箇所吊り電動チエ−ンブロツク
DE3511655A1 (de) * 1985-03-29 1986-10-02 Georg 8200 Rosenheim Uttscheid Vorrichtung zum gleichmaessigen heben und senken einer langgestreckten last
DE3511656A1 (de) 1985-03-29 1986-10-02 Georg 8200 Rosenheim Uttscheid Einrichtung zum gleichmaessigen heben und senken einer langgestreckten last
CN2454412Y (zh) * 2000-12-25 2001-10-17 任淑娟 移动式双吊点环链葫芦启闭机
DE102004021708B4 (de) 2004-04-30 2008-07-10 R. Stahl Fördertechnik GmbH Vereinfachte Katze mit niedriger Bauhöhe
DE102007039030A1 (de) * 2007-08-17 2009-02-26 Hoffmann Fördertechnik GmbH Wurzen Elektrokettenzug mit großer Hubhöhe und hoher Hubgeschwindigkeit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110294413A (zh) * 2019-07-30 2019-10-01 苏州必艾姆起重设备有限公司 一种超低净空式双链条同步起升电动环链葫芦起升装置

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