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EP1505032B2 - Palan à chaîne - Google Patents

Palan à chaîne Download PDF

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Publication number
EP1505032B2
EP1505032B2 EP04016876A EP04016876A EP1505032B2 EP 1505032 B2 EP1505032 B2 EP 1505032B2 EP 04016876 A EP04016876 A EP 04016876A EP 04016876 A EP04016876 A EP 04016876A EP 1505032 B2 EP1505032 B2 EP 1505032B2
Authority
EP
European Patent Office
Prior art keywords
chain
sprocket
hoist
guide
structural unit
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 - Lifetime
Application number
EP04016876A
Other languages
German (de)
English (en)
Other versions
EP1505032B1 (fr
EP1505032A2 (fr
EP1505032A3 (fr
Inventor
Oliver Moll
Jürgen Heun
Ralf Eising
Udo Gersemsky
Bernhard Norpoth
Thilo Walloschek
Erik Appel
Klaus Wissing
Torsten Sattler
Hansjürgen LINDE
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.)
Demag Cranes and Components GmbH
Original Assignee
Demag Cranes and 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=33547107&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1505032(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Demag Cranes and Components GmbH filed Critical Demag Cranes and Components GmbH
Publication of EP1505032A2 publication Critical patent/EP1505032A2/fr
Publication of EP1505032A3 publication Critical patent/EP1505032A3/fr
Application granted granted Critical
Publication of EP1505032B1 publication Critical patent/EP1505032B1/fr
Publication of EP1505032B2 publication Critical patent/EP1505032B2/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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
    • B66D3/26—Other details, e.g. housings

Definitions

  • the invention relates to a chain hoist with a sprocket for the positive transmission of the lifting force on the chain and arranged in the region of the sprocket chain guide for guiding the chain, in particular round link chain on the sprocket, the chain guide, the sprocket and the chain combined to form a unit are that the assembly is mounted in total at a mounting on the chain hoist and the assembly is solved in total during disassembly of the chain hoist.
  • chain hoists of the type described above are known. These chain hoists have a chain guide for trouble-free circulation of the chain around the sprocket, which ensures that the chain links do not get caught or jammed. To reduce the wear of the chain, it is lubricated over the entire length.
  • the chain, the chain guide and the sprocket are still subject to natural wear, which makes it necessary to replace the worn chain, the chain guide and the sprocket from time to time depending on the intensity of use of the chain hoist and depending on the size of the manipulated loads. Also can be disturbed by lengths of the chain links due to permanent material expansions over time of the positive circulation of the chain to the sprocket, so that the sprocket is more worn. As part of regular maintenance intervals, all wearing parts are therefore checked and, if necessary, replaced.
  • an electric chain hoist which consists essentially of a housed in a transmission housing gearbox, which is driven on the input side by an electric motor.
  • the transmission On the output side, the transmission has an output shaft on which a sprocket rotatably arranged for a round link chain rotation.
  • the sprocket is surrounded by a chain guide, which contains on both sides of the sprocket rectilinear chain guide tracks, between which an ejector is arranged.
  • the chain guide is designed as a housing and consists of two identical housing halves, which are assembled along a parting line. Furthermore, the housing halves are attached to an end wall of the transmission housing.
  • the housing halves are held together by two transverse screws, which are screwed from opposite sides in extensions. Accordingly, the housing halves are brought separately to the sprocket to the end wall and only then bolted there in this position.
  • the sprocket, the chain and the chain guide thus form a structural unit only in the operating state of the chain hoist.
  • the German utility model DE 92 02 881 U1 corresponds to the preamble of claim 1.
  • the present invention is based on the object to provide a chain hoist, which has an improved life of wearing parts, such as chain, sprocket and chain guide.
  • a chain hoist with a sprocket for the positive transmission of the lifting force on the chain and arranged in the range of the chain wheel chain guide for guiding the chain, in particular round link chain on the sprocket wherein the chain guide, the sprocket and chain combined to form a unit are that the assembly is mounted on a total of assembly on the chain hoist and the assembly is achieved in total disassembly of the chain hoist, improved life of wearing parts such as chain, sprocket and chain guide while simplified assembly and disassembly of these wearing parts achieved in that the chain guide floating on the sprocket and with the sprocket in it Engaged chain is stored.
  • Dismantling of individual parts of the chain set is eliminated as well as the removal of the complete pulley. Rather, the assembly is assembled and dismantled. A worn assembly is replaced only by a new prefabricated unit.
  • the inventive set formation and handling of the wear parts as a unit simplify the assembly and disassembly considerably and help to save costs, both during production and during maintenance and repair work.
  • the sprocket, the chain guide and the chain are coordinated so that they wear approximately evenly and thus are to be replaced at about the same time.
  • the screwing the chain guide with the housing of the chain hoist allows the floating attachment to the sprocket and the chain, a favorable orientation of the chain guide the sprocket and the chain, so that the wear behavior is favored. Obligations from the chain drive are no longer transmitted to the housing, but caught within the chain guide.
  • the chain guide in the direction of rotation of the sprocket seen against the chain hoist, in particular its gear housing, secured against rotation. As a result, the floating bearing of the chain guide is not repealed
  • the assembly is additionally supplemented by a Entflechterblech with holes for carrying out the Lastrums and the empty strand of the chain and end pieces at the ends of the chain.
  • at least one buffer and the chain can be added to the chain set in the region of the end piece and the hook harness, which are pushed onto the chain and attached thereto.
  • FIG. 1 is an interchangeable and referred to as chain set assembly 1 of the invention shown in a schematic overview simplified.
  • 2 with a chain guide for a chain 3 is referred to, with its housing 2a, the chain 3, a round link chain, surrounds and leads.
  • a sprocket is recognizable, which is arranged on an output shaft 16 of a transmission of the chain hoist and chain bags and grooves on the circumference of the sprocket 4, the lifting force of the chain hoist 7 transmits positively to the chain 2.
  • an end piece 5 is fixed, which in the chain memory 10, not shown here (see FIG. 2 ) enters.
  • the end piece 5 consists of two halves which engage around at least partially form-fitting several adjacent chain links and are detachably or permanently connected to each other. As attachment types caulking or riveting are used.
  • a hook harness 6 is arranged at the opposite end of the chain 3.
  • an unillustrated end piece 5 is fixed, which is positively enclosed by the halves of the hook harness 6.
  • the chain guide 2 consists of a longitudinally split housing 2a, which is made of plastic. The shell-shaped halves of the housing 2a are screwed together at 9. Before screwing the sprocket 4 and the chain 3 are inserted in one half of the housing 2a.
  • FIG. 1 It can be seen that a common in chain hoists Entflechterblech 20, with corresponding but not shown holes for the implementation of the load strand and the slack side of the chain 3 belongs to the unit 1.
  • This Entflechterblech 20 has the task to perform the Lasttrum and the backbone of the chain 3 at entry and exit in or from the sprocket 4 and to prevent entanglement of Lasttrum and Leertrum.
  • This debarker sheet 20 is screwed in the course of assembly of the unit 1 from below to the housing 22 of the transmission 12.
  • the chain hoist 7 represents a total. Visible this is suspended by means of the suspension 13 at a fixed point, not shown. With 11, a motor of the chain hoist 7 is designated at 12 whose transmission is indicated, the housing 22 can be seen.
  • the chain memory 10 is suspended below the chain hoist 7, in particular below the sprocket 4, for receiving the slack side of the chain 3. Laterally, the chain hoist 7, in particular the area of the chain set 1 and an adjacent installation space 21, is closed by a cover 14.
  • This cover 14 is detachably connected to the chain hoist 7 and can be removed for assembly or disassembly of the assembly.
  • the cover 14 is shown broken on its front to represent the mounting position of the interchangeable unit 1 can.
  • FIG. 3 shows an enlarged detail of FIG. 2 from the field of interchangeable assembly 1.
  • the assembly 1 consists essentially - as already to the FIG. 1 described - from the chain guide 2, the chain 3, the sprocket 4 - this can come the hook harness 5, the end pieces 6, the buffer 8 and the Entflechterblech 20.
  • the assembly 1, in particular its chain guide 2 and the sprocket 4 located therein and the associated portion of the chain 3 from the side into the open and adjacent to the drive shaft 16 mounting space 21 is inserted.
  • the housing 22 is slotted and thus open at the bottom, so that the load and the slack side and the Entflechterblech 20 can be moved into their installed position.
  • the sprocket 4 is pushed together with the chain guide 4 and the chain 3 on the shaft 16 of the transmission 12 and secured with a locking ring 18 on the shaft.
  • a arranged on the chain guide housing 2a pin 17 engages the housing of the chain hoist 7 and secures the assembly 1 against rotation on the shaft 16.
  • a ball bearing can be seen, with which the shaft 16 is mounted in the gear housing.
  • the front side of the shaft 16 is closed by a cover 19 which is latchingly inserted in an opening of the chain guide housing 2a.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
  • Load-Engaging Elements For Cranes (AREA)

Claims (4)

  1. Palan à chaîne comportant un pignon à chaîne (4) pour transmettre la force de levage à la chaîne (3) par complémentarité de formes et un guide de chaîne (2) qui est disposé dans la région du pignon à chaîne (4) pour guider la chaîne (3), notamment une chaîne à maillons ronds, sur le pignon à chaîne (3), le guide de chaîne (2), le pignon à chaîne (4) et la chaîne (3) étant rassemblés pour former une unité de construction (1) de telle sorte que l'unité de construction (1) est fixée d'un seul bloc au palan à chaîne (7) lors d'un montage et que l'unité de construction (1) est détachée d'un seul bloc du palan à chaîne (7) lors d'un démontage, caractérisé en ce que le guide de chaîne (2) est monté de façon flottante sur le pignon à chaîne (4) et sur la chaîne (3) en engagement avec le pignon à chaîne (4).
  2. Palan à chaîne selon la revendication 1, caractérisé en ce que le guide de chaîne (2) est bloqué en rotation, par référence à la direction de rotation du pignon à chaîne (4), par rapport au palan à chaîne (7), notamment au boîtier de réducteur à engrenages (22) de celui-ci, au moyen d'une goupille (17).
  3. Palan à chaîne selon la revendication 1 ou 2, caractérisé en ce que l'unité de construction (1) comporte en plus une tôle anti-emmêlement (20) dotée de perçages pour le passage du brin en charge et du brin à vide de la chaîne (3), une pièce d'extrémité (5) disposée à une extrémité de la chaîne (3) et un crochet porte-charge (6) disposé à l'autre extrémité de la chaîne (3).
  4. Palan à chaîne (4) selon la revendication 3, caractérisé en ce qu'au moins un amortisseur (8) est enfilé sur la chaîne (3) et fixé à celle-ci respectivement dans la région de la pièce d'extrémité (5) et dans la région du crochet porte-charge (6), et les amortisseurs (8) font également partie de l'unité de construction (1).
EP04016876A 2003-08-01 2004-07-16 Palan à chaîne Expired - Lifetime EP1505032B2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10335984A DE10335984B4 (de) 2003-08-01 2003-08-01 Kettenzug
DE10335984 2003-08-01

Publications (4)

Publication Number Publication Date
EP1505032A2 EP1505032A2 (fr) 2005-02-09
EP1505032A3 EP1505032A3 (fr) 2006-05-17
EP1505032B1 EP1505032B1 (fr) 2008-05-21
EP1505032B2 true EP1505032B2 (fr) 2011-05-04

Family

ID=33547107

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04016876A Expired - Lifetime EP1505032B2 (fr) 2003-08-01 2004-07-16 Palan à chaîne

Country Status (4)

Country Link
US (1) US20050043132A1 (fr)
EP (1) EP1505032B2 (fr)
CN (1) CN1579921A (fr)
DE (2) DE10335984B4 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007065267A1 (fr) 2005-12-08 2007-06-14 Canimex Inc. Guide-chaine et mecanisme d'entrainement associe
DE102010047704A1 (de) 2010-10-06 2012-04-12 Demag Cranes & Components Gmbh Hebezeug mit einem Zahnriemen als Tragmittel
DE102015102140A1 (de) 2015-02-13 2016-08-18 Terex MHPS IP Management GmbH Anordnung aus einem elektrischen Antriebsmotor, einem Getriebe und einem Drehgeber, insbesondere für einen Seilzug
CN104709494B (zh) * 2015-03-18 2017-02-01 浙江双友物流器械股份有限公司 链条式拉紧器
US11548769B2 (en) 2018-07-30 2023-01-10 Toyota Motor Engineering & Manufacturing North America, Inc. Chain link adapter

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3596879A (en) † 1968-10-22 1971-08-03 Aluminum Products Inc Chain hoist
DE9202881U1 (de) † 1992-03-05 1992-07-09 Yale Industrial Products GmbH, 5620 Velbert Bausatz für ein Hebezeug
DE10019044A1 (de) † 2000-04-18 2001-11-08 Kasimir Sowka Führungseinrichtung für einen Kettenzug

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1670734A (en) * 1924-10-01 1928-05-22 Manning Maxwell & Moore Inc Electric hoist
JPS5227808Y2 (fr) * 1973-05-14 1977-06-24
GB8516149D0 (en) * 1985-06-26 1985-07-31 Hogg J P C Lifting tackle
DE3710332C1 (de) * 1987-03-28 1988-07-21 Stahl R Foerdertech Gmbh Elektrozug
DE3710331A1 (de) * 1987-03-28 1988-10-13 Stahl R Foerdertech Gmbh Elektrokettenzug
JPH0776078B2 (ja) * 1991-10-31 1995-08-16 象印チエンブロック株式会社 レバー形牽引機
US5318483A (en) * 1993-05-14 1994-06-07 American Longwall Face Conveyors, Inc. Sprocket with asymmetrical teeth for mining conveyors
DE19530891C2 (de) * 1995-08-14 1999-11-18 Mannesmann Ag Hebezeug, das mit einem Zugmittel betrieben ist
DE19849693C2 (de) * 1998-10-28 2001-02-22 Stahl R Foerdertech Gmbh Kettenzug mit Aufhängung am Kettennussgehäuse
DE19849995A1 (de) * 1998-10-30 2000-05-11 Stahl R Foerdertech Gmbh Hebezeug für Einschienenhängekatze mit niedriger Bauhöhe

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3596879A (en) † 1968-10-22 1971-08-03 Aluminum Products Inc Chain hoist
DE9202881U1 (de) † 1992-03-05 1992-07-09 Yale Industrial Products GmbH, 5620 Velbert Bausatz für ein Hebezeug
DE10019044A1 (de) † 2000-04-18 2001-11-08 Kasimir Sowka Führungseinrichtung für einen Kettenzug

Also Published As

Publication number Publication date
DE502004007204D1 (de) 2008-07-03
EP1505032B1 (fr) 2008-05-21
EP1505032A2 (fr) 2005-02-09
DE10335984B4 (de) 2005-09-22
EP1505032A3 (fr) 2006-05-17
DE10335984A1 (de) 2005-03-10
US20050043132A1 (en) 2005-02-24
CN1579921A (zh) 2005-02-16

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