EP1716065A1 - Bloc galet de roulement - Google Patents

Bloc galet de roulement

Info

Publication number
EP1716065A1
EP1716065A1 EP05707269A EP05707269A EP1716065A1 EP 1716065 A1 EP1716065 A1 EP 1716065A1 EP 05707269 A EP05707269 A EP 05707269A EP 05707269 A EP05707269 A EP 05707269A EP 1716065 A1 EP1716065 A1 EP 1716065A1
Authority
EP
European Patent Office
Prior art keywords
impeller
block according
recesses
sliding
housing
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
EP05707269A
Other languages
German (de)
English (en)
Other versions
EP1716065B1 (fr
Inventor
Gregor Jansen
Thomas Düllmann
Rainer Woyck
Jörg Lindemaier
Winfried Gievers
Hermann Osthoff
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=34673239&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1716065(A1) "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 EP1716065A1 publication Critical patent/EP1716065A1/fr
Application granted granted Critical
Publication of EP1716065B1 publication Critical patent/EP1716065B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
    • B66C9/08—Runners; Runner bearings

Definitions

  • the invention relates to an impeller block with a housing with at least one load-bearing connection surface and with rotary bearing seats for sliding and / or rolling bearings for mounting an impeller, the sliding and / or rolling bearings being removed from the housing for dismantling the impeller and the impeller can be removed to an approximately transverse side.
  • the impeller blocks known from DE 31 34 750 C2 are formed from two welded together or otherwise connected halves of the bearing housing and have pressed-in rotary bearing seat surfaces for bearings in which the hub of the impeller is supported.
  • stop shoulders for the bearings facing the hub adjoin the pivot bearing seating surfaces and the impeller extends with its hub to above the bearings and is supported directly on the housing, and the hub also has ring grooves on its outer rings on both sides for the end faces of the bearings adjacent snap rings and a receiving opening with an internal toothing for an external toothing of a drive shaft.
  • the impeller block has a housing in which rotary bearing seats for slide and / or roller bearings are provided for receiving an impeller which protrudes at least on one side, the housing being disassembled on one side by removing a removable cover for removing the impeller is so that the housing no longer has to be detached from the supporting structure to change the impeller.
  • a large number of parts must be loosened or attached to this impeller for assembly or disassembly.
  • an impeller block is known from DE 195 40 217 C1. It provides for the use of so-called ring bodies, which are used to hold the bearings in the housing walls of the impeller block. After inserting the impeller with its hub, they are pushed onto the hub and its bearings from the outside and fixed in the housing. With these wheels as well, assembly or disassembly involves loosening or fastening a large number of parts. In particular, the ring bodies must be removed and aligned.
  • an impeller block is additionally known in a further embodiment, which is essentially characterized in that the bearings for the impeller are used directly in seat surfaces which are provided in recesses in the housing wall.
  • the bearings are removed from the side of the recesses after loosening a locking ring.
  • the surrounding seat for the bearing In order to be able to remove the impeller from the housing, the surrounding seat for the bearing must be opened.
  • a plate closing the side of the housing is removed.
  • webs projecting into the housing are additionally arranged, which in the assembled state of the plate form part of the seating surface for the bearings. These webs are removed from the housing with the plate. Now the impeller with its hub ends protruding on both sides can come out of the side of the housing be removed. The hub ends pass through the space previously closed by the webs.
  • an easily detachably mounted bearing of wheels for cranes is known.
  • the impeller has stub ends emerging on both sides, on each of which an encapsulated bearing is arranged.
  • the bearings can be moved on the stub shaft between stops to a limited extent.
  • two strong flat holding pieces are arranged on the outer sides of the carrier plates, which, in the installed state of the impeller, have disc-shaped depressions aligned concentrically with the shaft ends of the impeller.
  • slits pointing downward are arranged in the carrier plates and the holding plates, the width of which is slightly larger than the diameter of the shaft stub.
  • the stub shafts can then be inserted into the slots from below when the encapsulated bearings are moved outwards.
  • the encapsulated bearings are then positively pushed onto the stub shafts in the direction of the respective holding plates until they engage in a form-fitting manner in the disk-shaped recess.
  • the encapsulated bearings are then screwed to the retaining plates and carrier plates.
  • the present invention is therefore based on the object of facilitating the assembly or disassembly or replacement of the impeller in an impeller block.
  • pivot bearing seat surfaces are designed in such a way that they enclose the slide and / or roller bearings more than semicircularly and are narrow to the side with respect to the slide and / or roller bearings, it is possible to reduce the assembly effort , Furthermore, there is no additional fit per bearing side, so that a higher accuracy of the impeller alignment and a higher repeat accuracy when changing the impeller are achieved. As a result, lower slip forces occur and, as a result, less wear on the impeller.
  • the not completely enclosed recesses or bearings Due to the not completely enclosed recesses or bearings, it is possible to insert the impeller including the hub into the housing and then secure it by pushing on the bearings. For this purpose, it is advantageous if the not completely enclosed recesses have a constriction that is slightly larger than the diameter of the hub of the impeller.
  • the sliding and / or rolling bearings can also be made smaller than the not completely enclosed recesses and larger than the constriction.
  • the cutouts are open to the side in such a way that the impeller can be removed to the side after the sliding and / or rolling bearings have been removed laterally.
  • the side is preferably the downward side.
  • the cutouts can have a keyhole shape when viewed in section.
  • the cutouts of the impeller block advantageously have an approximately circular upper area for receiving the sliding and / or rolling bearings and a lower area, in particular an angle forming an open side, which adjoins the upper area at the constriction. This allows a good fixing of the bearings and high stability or good absorption of the forces and still a safe and easy assembly and fastening of the impeller.
  • the approximately circular upper area of the cutouts describes an average of approximately three-quarters of a circle.
  • connection surface can be provided on each side of the housing from which the impeller does not protrude.
  • it is a head connection surface which is arranged on the top of the housing.
  • Fig. 1 is an exploded perspective view of an impeller block according to the invention.
  • FIG. 1 shows an impeller block designated as a whole with 1 with a downwardly open, box-shaped, one-piece housing 2, on the top of which one Head connection surface 3A is provided, which is formed by two outer surfaces lying in each case, which extend over the width of the housing and are separated in the longitudinal direction by a lower region of the upper housing wall 2A.
  • the housing 2 also has longitudinal sides 2B and end faces 2C, which likewise have raised surfaces 3B and 3C.
  • the surface 3C is used for fastening roller guides and buffers.
  • the underside is labeled 3D or 8.
  • An impeller 6 is provided in the housing 2, which rotates with its hub 7 about the axis A and partially protrudes downward from the housing 2 toward the side 8. In the usual installation position, axis A is aligned horizontally.
  • the hub 7 is laterally supported in slide and / or roller bearings 5 which are inserted into the housing 2.
  • Rotary bearing seat surfaces 4 are provided in the two longitudinal sides 2B of the housing and are formed directly in the housing wall by the surfaces of the cutouts 9. They have an upper region 11 which is circular in section and a lower region 12 which forms an angle which is open towards the side 8 or underside 3D.
  • the recesses 9 are therefore not completely enclosed by the housing wall and have an approximately keyhole-shaped longitudinal section.
  • the hub 7 can therefore be inserted from below into the cutouts 9 or their upper, circular sections 11 in section.
  • the sliding and / or rolling bearings 5 are pushed laterally onto the hub 7 with their inner ring 5B and are introduced with their outer ring 5A into the recesses 9 or their upper regions 11, which are circular in section, and pressed there into the rotary bearing seats 4.
  • retaining rings 10 are applied to the ends of the hub 7, which engage in grooves 14 correspondingly provided in the ends of the hub 7 for securing.
  • the impeller 2 with its hub 7 is mounted together directly in the housing 2 without the use of annular bodies. On the one hand, this makes assembly easier. There are no additional parts such as fits per bearing side. Furthermore, the direct bearing allows a higher accuracy of the wheel alignment and also a higher repeat accuracy when changing the wheel. This results in lower slip forces and correspondingly less wear on the impeller.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mounting Of Bearings Or Others (AREA)
  • Rolling Contact Bearings (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
  • Vehicle Body Suspensions (AREA)
  • Hydraulic Control Valves For Brake Systems (AREA)
  • Portable Nailing Machines And Staplers (AREA)
EP05707269A 2004-02-19 2005-02-09 Bloc galet de roulement Active EP1716065B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004008552A DE102004008552B3 (de) 2004-02-19 2004-02-19 Laufradblock
PCT/EP2005/001272 WO2005090224A1 (fr) 2004-02-19 2005-02-09 Bloc galet de roulement

Publications (2)

Publication Number Publication Date
EP1716065A1 true EP1716065A1 (fr) 2006-11-02
EP1716065B1 EP1716065B1 (fr) 2008-03-26

Family

ID=34673239

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05707269A Active EP1716065B1 (fr) 2004-02-19 2005-02-09 Bloc galet de roulement

Country Status (11)

Country Link
US (1) US7766551B2 (fr)
EP (1) EP1716065B1 (fr)
JP (1) JP4856551B2 (fr)
CN (1) CN100460304C (fr)
AT (1) ATE390382T1 (fr)
CA (1) CA2556397A1 (fr)
DE (2) DE102004008552B3 (fr)
ES (1) ES2304688T3 (fr)
RU (1) RU2378183C2 (fr)
TW (1) TW200528383A (fr)
WO (1) WO2005090224A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR900700873A (ko) * 1988-04-13 1990-08-17 제리 지. 잉럼 오염물 검사 및 유체 판정 시스템 및 이의 검사방법
DE102011002044A1 (de) 2011-04-14 2012-10-18 Demag Cranes & Components Gmbh Anordnung und Verfahren zur Ausrichtung eines Laufradblocks
CN106949226A (zh) * 2017-04-11 2017-07-14 合肥恺文重工机械有限公司 一种drs欧式轮箱
AU2019264544A1 (en) * 2018-11-30 2020-06-18 Ciilock Engineering Pty Ltd A roller assembly and a roller carriage for the same
BR102019014721A2 (pt) * 2019-07-17 2021-01-26 Ruan Araujo Belizario caixa de mancal ajustável
DE102020129194B4 (de) 2020-11-05 2022-12-15 Konecranes Global Corporation Anordnung und Verfahren zum Ausrichten eines Laufradblocks an einem Fahrwerksträger, insbesondere Kran-Fahrwerksträger
DE102021105522A1 (de) 2021-03-08 2022-09-08 Konecranes Global Corporation Radsystem, insbesondere für einen Kran
DE102021128150A1 (de) 2021-10-28 2023-05-04 Konecranes Global Corporation Radblock, insbesondere für einen Laufkran

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2005949A1 (de) * 1970-02-10 1971-08-19 Brunnhuber Maschf Josef Laufradantrieb und Lagerung fur einen Kran
DE2818170A1 (de) * 1978-04-26 1979-11-08 Wolfgang Vogel Masch Und Appar Krankopftraeger
DE3134750C2 (de) * 1981-09-02 1983-11-17 Mannesmann AG, 4000 Düsseldorf "Laufradblock"
CN86205877U (zh) * 1986-08-05 1987-08-26 第二汽车制造厂 高温环境下使用的悬链吊架
DE3724636C2 (de) * 1987-07-23 1996-11-07 Mannesmann Ag Laufradlagerung
JPH0627438B2 (ja) * 1988-08-31 1994-04-13 コマニー株式会社 移動壁の吊設装置
FI93000C (fi) 1993-12-02 1995-02-10 Kone Oy Laitteisto ja menetelmä laakeripesän kiinnittämiseksi
JP3550213B2 (ja) * 1994-07-14 2004-08-04 株式会社大宇エレクトロニクス 真空掃除機の輪
FI101957B1 (fi) * 1994-07-15 1998-09-30 Kci Kone Cranes Int Oy Nosturi
DE19540217C1 (de) * 1995-10-18 1997-01-23 Mannesmann Ag Laufradblock mit einem Gehäuse
DE19540220C2 (de) * 1995-10-18 2001-04-12 Mannesmann Ag Laufradblock
US6929402B1 (en) * 2002-04-11 2005-08-16 Morgan Construction Company Journal bearing and thrust pad assembly

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2005090224A1 *

Also Published As

Publication number Publication date
TW200528383A (en) 2005-09-01
CA2556397A1 (fr) 2005-09-29
ATE390382T1 (de) 2008-04-15
RU2378183C2 (ru) 2010-01-10
US7766551B2 (en) 2010-08-03
DE102004008552B3 (de) 2005-07-14
RU2006129095A (ru) 2008-03-27
JP4856551B2 (ja) 2012-01-18
ES2304688T3 (es) 2008-10-16
CN1922095A (zh) 2007-02-28
EP1716065B1 (fr) 2008-03-26
CN100460304C (zh) 2009-02-11
DE502005003456D1 (de) 2008-05-08
JP2007523302A (ja) 2007-08-16
WO2005090224A1 (fr) 2005-09-29
US20070273226A1 (en) 2007-11-29

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