EP1454870A2 - Moyen de suspension pour un crochet de levage - Google Patents

Moyen de suspension pour un crochet de levage Download PDF

Info

Publication number
EP1454870A2
EP1454870A2 EP04004899A EP04004899A EP1454870A2 EP 1454870 A2 EP1454870 A2 EP 1454870A2 EP 04004899 A EP04004899 A EP 04004899A EP 04004899 A EP04004899 A EP 04004899A EP 1454870 A2 EP1454870 A2 EP 1454870A2
Authority
EP
European Patent Office
Prior art keywords
suspension according
bearing
ring
load hook
receiving ring
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
EP04004899A
Other languages
German (de)
English (en)
Other versions
EP1454870B1 (fr
EP1454870A3 (fr
Inventor
Manfred Stöber
Klaus-Jürgen Winter
Karl Zacharias
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
Application filed by Demag Cranes and Components GmbH filed Critical Demag Cranes and Components GmbH
Publication of EP1454870A2 publication Critical patent/EP1454870A2/fr
Publication of EP1454870A3 publication Critical patent/EP1454870A3/fr
Application granted granted Critical
Publication of EP1454870B1 publication Critical patent/EP1454870B1/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
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
    • B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
    • B66C1/34—Crane hooks

Definitions

  • the invention relates to a suspension for load hook, in particular for Bottoms of cables, with one in a recess of a supporting body to a vertical axis rotatably mounted shaft, which, in one Through hole of a support member mounted over at least one Axial bearing supported on the support body.
  • Suspensions for load hooks are from practice in the most varied Embodiments known. From DIN 15 411 is a lower bottle with two Pulleys are known in which the load hook around a vertical and a horizontal Axis is rotatably mounted on a load hook suspension, below the the Cable pulleys bearing connecting body is arranged. Due to the use on the one hand the connecting body and on the other hand the separate load hook suspension This known construction has a relatively large height and also many components on.
  • a generic load hook suspension is known from German patent DE 196 02 931 C2 known.
  • the shaft of the load hook is in one Recess of the pulleys bearing connecting body of a lower bottle stored.
  • the inserted into the recess and the shaft of the load hook superimposed thrust bearing is tangentially extending screws in the recess held by the pulleys ago in Tangentialnuten the bearing cage be screwed.
  • This tangential screwing of the thrust bearing in the recess is the mounting of this known suspension very expensive and since it is an exact positioning of the bearing cage with the stored therein Loading hook in the recess of the connecting body requires because the Tangential screws only in one position fixing into the tangential grooves of the Bearing cage can be screwed.
  • the present invention seeks to provide a short-building and to create a simple suspension for a load hook.
  • the shaft of the load hook on a from the support element, the at least one thrust bearing and a ring surrounding the shaft Receiving ring existing bearing assembly is mounted in the support body, wherein the bearing arrangement, preferably the receiving ring, via a securing element, in particular a snap ring, is fixed in the support body.
  • the storage according to the invention allows the entire bearing arrangement to pre-assemble the insertion in the recess of the support body. About that In addition, it only needs to set the bearing assembly in the recess a fuse element, such as a snap ring. The assembly is thus easy and quick to carry out, especially since there is no special positioning requires the bearing assembly to the support body and / or the recess.
  • the securing element for Securing the bearing assembly on the one hand an undercut of the support body engages behind and on the other hand rests against a contact surface of the receiving ring.
  • the entire bearing assembly stored in this embodiment on the on Supporting body supporting securing element.
  • the Undercut for receiving the securing element as a circumferential annular groove formed in the support body.
  • the setting of the load hook shaft on the support element is carried out according to a preferred embodiment of the invention via a securing element, in particular a snap ring, the one hand in the mounted state Undercut at the free end of the shaft engages behind and on the other hand in one Deepening of the support element is arranged.
  • a securing element in particular a snap ring
  • the thrust bearing facing surface of the support element and / or the receiving ring as a plane contact surface for the particular as Axial needle bearing trained thrust bearing formed.
  • the support element forms even the upper bearing shell of the thrust bearing, reducing the number of components can be further reduced.
  • the Load hook in addition to the twistability about the vertical axis by one horizontal axis is pivotally mounted in the support body. Through this additional degree of freedom can be the handling and use significantly increase a load hook mounted according to the invention.
  • This Pivotability about a horizontal axis is advantageously by two between the lower bearing shell of the thrust bearing and the receiving ring arranged cylindrical rollers achieved, which form the horizontal pivot axis, wherein the cylindrical rollers opposite each other on both sides of the shank of Load hooks are arranged in the bearing assembly.
  • the number of the formation of the bearing assembly according to the invention necessary components can be further reduced that the Cylindrical rollers between the receiving ring and a lower bearing shell of the Thrust bearing forming the shaft annularly surrounding pivot bearing ring are arranged.
  • the pivoting about the horizontal axis can be facilitated and also in the Verschwenkwinkel is limited, that on the one hand in a plane perpendicular to the Pivot axis between the mutually facing surfaces of the receiving ring and the pivot bearing ring is formed a gap and on the other hand the Side walls of the through hole of the receiving ring at least in the The pivoting plane of the load hook is conically widened in the direction of the load hook are formed.
  • the limitation of the pivoting angle is made possible by the fact that the facing surfaces of the receiving ring and the pivot bearing ring and / or the conical side walls of the through hole of the receiving ring form the pivoting angle of the load hook limiting stop surfaces.
  • the gap between the facing surfaces of the receiving ring and the pivot bearing ring is advantageously in radially outward pointing direction widening trained.
  • the handling of the load hook provided device facilitating at least one recessed grip formed in the support body.
  • a connecting body of a Bottom trained and provided with the at least one recessed grip Support body is easy and inexpensive to manufacture as a casting
  • a with Handholds provided with forged load hook as he from the state of Technology is known, represents a complex and expensive to manufacture special component.
  • FIG. 1 to Figure 5 show two embodiments of the Embodiment of the suspension of a load hook 1, which in a recess. 2 a supporting body 3 is mounted.
  • the supporting body 3 as two pulleys 4 a lower block 5 supporting Formed connecting body.
  • This fuse element 12 can, as in the figures, Figure 1 to Figure 5 represented, for example, be designed as a snap ring, the one Undercut 13, in particular an annular groove in the support body 3 engages behind.
  • FIG. 2 The sectional side view of Figure 2 it can be seen that the Facilitation of handling in the support body 3 recessed grips 17 are formed.
  • the Training the recessed grips 17 on the support body 3 is particularly advantageous because a provided with recessed grips 17 supporting body 3 simple and inexpensive than Casting is to be finished, while a forged grips 17 forged Load hook 1, as known from the prior art, a complex and represents expensive to be manufactured special component.
  • the pivot bearing ring 20 the bearing shells of the thrust bearing 8
  • the Thrust bearing 8 had its own storage cage.
  • FIGs 4 and 5 is a concrete embodiment of the Swivel bearing ring 20 and the receiving ring 10 can be seen by the The load hook 1, on the one hand, can easily be pivoted about the axis 18, on the other hand also the pivot angle can be limited.
  • side walls 10b are through-holes of the receiving ring 10 at least in the pivoting plane of the load hook 1 in the direction of the load hook. 1 is formed conically widened to the pivoting of the load hook 1 to enable.
  • the mutually facing contact surfaces 10a, 20a of the receiving ring 10 and the Swivel bearing ring 20 and / or the conical side walls 10b of the receiving ring 10 thus form the pivot angle of the load hook 1 limiting Stop surfaces.
  • Such trained suspensions for hooks 1 are on the one hand by their compact design with low height and wise on the other the advantage that the entire bearing assembly 6 outside the support body. 3 can be pre-assembled. For the actual assembly on the support body 3 is required Finally, only the onset of the shaft 9 of the load hook. 1 preassembled bearing assembly 6 in the recess 2 in the support body 3 and the Fixing the bearing assembly 6 via the securing element 12 on the support body Third

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Hooks, Suction Cups, And Attachment By Adhesive Means (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Rolling Contact Bearings (AREA)
  • Vehicle Body Suspensions (AREA)
  • Supports Or Holders For Household Use (AREA)
  • Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
EP04004899A 2003-03-06 2004-03-03 Moyen de suspension pour un crochet de levage Expired - Lifetime EP1454870B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10310087A DE10310087A1 (de) 2003-03-06 2003-03-06 Aufhängung für Lasthaken
DE10310087 2003-03-06

Publications (3)

Publication Number Publication Date
EP1454870A2 true EP1454870A2 (fr) 2004-09-08
EP1454870A3 EP1454870A3 (fr) 2004-10-06
EP1454870B1 EP1454870B1 (fr) 2011-01-19

Family

ID=32797877

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04004899A Expired - Lifetime EP1454870B1 (fr) 2003-03-06 2004-03-03 Moyen de suspension pour un crochet de levage

Country Status (6)

Country Link
US (1) US7219937B2 (fr)
EP (1) EP1454870B1 (fr)
CN (1) CN100402405C (fr)
AT (1) ATE495997T1 (fr)
DE (2) DE10310087A1 (fr)
ES (1) ES2358796T3 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7607707B2 (en) 2005-12-24 2009-10-27 Demag Cranes & Components Gmbh Load hook
US8608215B2 (en) 2009-04-11 2013-12-17 Demag Cranes & Components Gmbh Load-receiving means, in particular a hook block of a lifting gear
EP2706032A1 (fr) * 2012-09-11 2014-03-12 RIW-Maschinenbau GmbH Dispositif de réception de charge, en particulier moufle inférieure pour un appareil de levage

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2388227B1 (fr) * 2010-05-20 2015-01-21 Rotzler Gmbh + Co. Kg Crochet de grue doté d'un agencement du poids de crochet
DE102011054148B4 (de) * 2011-10-04 2015-10-22 Terex Mhps Gmbh Lastaufnahmemittel, insbesondere Lasthaken
CN102701094A (zh) * 2012-06-28 2012-10-03 河南省黄河防爆起重机有限公司 钢丝绳纽绕应力释放机构
US10280055B2 (en) * 2017-05-02 2019-05-07 William von Eberstein Ball joint lifting assembly and method
CN109437027B (zh) * 2018-12-19 2023-09-26 厦门厦工中铁重型机械有限公司 一种盾构机刀具吊装装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE882606C (de) 1951-05-12 1953-07-09 Heuer Hammer Schwerschmieden B Haken
DE19817011A1 (de) 1998-04-17 1999-10-28 Stahl R Foerdertech Gmbh Seilhakenanordnung
DE19602931C2 (de) 1996-01-18 2001-04-26 Mannesmann Ag Unterflasche

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE725114C (de) * 1939-09-27 1942-09-14 Maschb Act Ges Vorm Beck & Hen Lasthaken fuer Krane o. dgl.
FR920416A (fr) * 1945-09-28 1947-04-08 Dispositif d'attache de câble pour appareils de levage et autres applications
US2625005A (en) * 1947-06-12 1953-01-13 Keller Tool Co Hoist hook assembly
US2500459A (en) * 1948-05-24 1950-03-14 William S Hoover Work supporting attachment for hoists
US2823944A (en) * 1955-08-18 1958-02-18 Heppenstall Co Movable load supporting device
SE410214B (sv) * 1978-04-11 1979-10-01 Bergs Smide Ab K A Kullagerlekare
US4708382A (en) * 1987-01-20 1987-11-24 Cooper Industries Separable lifting hook
DD274806A1 (de) * 1988-08-12 1990-01-03 Freiberger Zellstoff Papier Hakentraverse fuer doppelhaken
CN2199971Y (zh) * 1993-02-09 1995-06-07 刘永德 刚性吊钩组
CN2176352Y (zh) * 1993-12-11 1994-09-07 张玉锦 新型封闭式吊钩装置
CN2218170Y (zh) * 1994-11-23 1996-01-24 钟宗勇 锤重吊钩头
CN2516519Y (zh) * 2002-01-17 2002-10-16 徐建 新型封闭式吊钩

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE882606C (de) 1951-05-12 1953-07-09 Heuer Hammer Schwerschmieden B Haken
DE19602931C2 (de) 1996-01-18 2001-04-26 Mannesmann Ag Unterflasche
DE19817011A1 (de) 1998-04-17 1999-10-28 Stahl R Foerdertech Gmbh Seilhakenanordnung

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7607707B2 (en) 2005-12-24 2009-10-27 Demag Cranes & Components Gmbh Load hook
US8608215B2 (en) 2009-04-11 2013-12-17 Demag Cranes & Components Gmbh Load-receiving means, in particular a hook block of a lifting gear
EP2706032A1 (fr) * 2012-09-11 2014-03-12 RIW-Maschinenbau GmbH Dispositif de réception de charge, en particulier moufle inférieure pour un appareil de levage

Also Published As

Publication number Publication date
ATE495997T1 (de) 2011-02-15
ES2358796T3 (es) 2011-05-13
EP1454870B1 (fr) 2011-01-19
US7219937B2 (en) 2007-05-22
DE10310087A1 (de) 2004-09-23
CN1530317A (zh) 2004-09-22
EP1454870A3 (fr) 2004-10-06
US20040189033A1 (en) 2004-09-30
CN100402405C (zh) 2008-07-16
DE502004012117D1 (de) 2011-03-03

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