EP0169968B1 - Guidage du câble - Google Patents

Guidage du câble Download PDF

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Publication number
EP0169968B1
EP0169968B1 EP85103136A EP85103136A EP0169968B1 EP 0169968 B1 EP0169968 B1 EP 0169968B1 EP 85103136 A EP85103136 A EP 85103136A EP 85103136 A EP85103136 A EP 85103136A EP 0169968 B1 EP0169968 B1 EP 0169968B1
Authority
EP
European Patent Office
Prior art keywords
guide
rope
segment
roller
slot
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
Application number
EP85103136A
Other languages
German (de)
English (en)
Other versions
EP0169968A1 (fr
EP0169968B2 (fr
Inventor
Karl-Ernst Kaufmann
Josef-Paul Saeftel
Harald Dipl.-Ing. Bitsch
Otto Dr.-Ing. Oldewurtel
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.)
Vodafone GmbH
Original Assignee
Mannesmann AG
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=6238204&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0169968(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Mannesmann AG filed Critical Mannesmann AG
Priority to AT85103136T priority Critical patent/ATE31184T1/de
Publication of EP0169968A1 publication Critical patent/EP0169968A1/fr
Publication of EP0169968B1 publication Critical patent/EP0169968B1/fr
Application granted granted Critical
Publication of EP0169968B2 publication Critical patent/EP0169968B2/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
    • B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/28—Other constructional details
    • B66D1/36—Guiding, or otherwise ensuring winding in an orderly manner, of ropes, cables, or chains
    • B66D1/38—Guiding, or otherwise ensuring winding in an orderly manner, of ropes, cables, or chains by means of guides movable relative to drum or barrel

Definitions

  • the edge of the connecting strap has sharp edges on the side of the slot, which limit an inclined pull of the rope or, if the possible inclined pull is exceeded, can damage or be damaged by the rope.
  • Another disadvantage is that the ring halves made of steel must be provided with grease for sliding in the cable grooves.
  • the object of the invention is therefore to provide an inexpensive, light and therefore easy-to-assemble rope guide, which is low-maintenance and lubricant-free and also allows extraordinarily large rope deflections without damage to parts, the overall length being short despite the rope being held securely on the drum.
  • This object is achieved on the basis of the cable guide according to DE-C 23 16 930 in that the cable guide is made of plastic and has a guide segment and a holding segment with a cable retainer covering at least one cable winding section and that a guide bracket forming the slot is attached to the guide segment and that at least one roller is pressed onto the cable by a spring on the guide segment above the slot.
  • the length of the rope guide extends only over about 5 turns of rope, so that the length of the rope drum for a given hook path can be shorter than the rope guide according to DE-C 23 16 930 by one rope turn.
  • the spring-loaded roller presses the rope into the rope groove. Even when the rope is pushed into the rope inlet, it does not slide under the roller along the rope groove under normal operating conditions, since the frictional resistance between the rope and the rope groove is very large compared to the resistance between the rope and the roller. Should it nevertheless be pushed up, the cable hold-down device and the guide bracket prevent the cable from being pushed further or jumping out of the cable grooves. Together with the cable hold-down device and the guide bracket, the roller covers almost the entire circumference of the cable drum.
  • the plastic is preferably polyamide with a filled addition of MoS2. With sufficient strength, polyamide 6.6 with the addition of molybdenum disulphide has an elasticity that also allows larger deformations without damage and requires no lubrication due to the MoS2 addition, so that no lubricant residues can fall off the crane and cause damage, e.g. B. in food, clothing, etc.
  • the weight of the plastic cable guide is only about 10 to 15% of the previously customary steel cable guide and is therefore much easier to assemble. This is particularly important for subsequent changes and repairs on a crane bridge.
  • the plastic can be used in a temperature range from -40 to + 100 ° C.
  • the guide segment and the holding segment have overlapping ends with bores for connecting bolts.
  • the surfaces of the guide bracket and the guide segment that form the cable inlet have lead-in bevels that allow an inclined pull angle of the cable of ⁇ 4 ° without contact.
  • a reinforcement angle made of steel can be fastened to the guide bracket on the side opposite the slot, which prevents excessive bending of the plastic guide bracket.
  • the cable deflection can be up to ⁇ 10 °. It then lies against the run-in slope and slides without damaging parts. With this strong deflection, the guide segment is pressed into the cable grooves.
  • the guide segment and the guide bracket can have recessed chambers delimited on the surfaces facing away from one another, which, in addition to the advantage of saving material and weight, contribute to increasing the elasticity of these parts.
  • a bearing pin for two roller blocks is attached to the guide segment, which have rollers that can be pressed onto the cable by a spring at the end opposite the bearing pin and are mounted on axes in the U-shaped rollers while leaving a gap.
  • This space allows the rollers to be moved in the roller stands and the rollers automatically adapt to any tolerances in the groove pitch and rope position and also have a compensating effect in the event of excessive cable pull.
  • the roller stands have facing each other, Supported edges with spring guides for a helical compression spring, which presses the rope over the rollers into the rope grooves.
  • the rollers of the bearing pins, the roller blocks, the axles and the spring are made of steel.
  • the rollers are hardened and have roller bearings on the axles so that they have little resistance to rotation when winding and unwinding the rope.
  • the plastic spring clip is axially displaceable on a rail of the cable winch with a plastic guide claw and is prevented from rotating when the cable drum rotates.
  • the guide claw merges into a lower inlet limiter which, together with an upper inlet limiter, forms the connection from the guide bracket to the guide segment.
  • a screw runs through the connection.
  • the selected material - plastic filled with MoS2 - allows the rope guide to be used in the extreme temperature range.
  • the shape in particular the design of the cable slot and the axial displaceability of the rollers pressing the cable into the cable grooves, as well as the arrangement of the cable hold-down device on the counter-segment, are designed in such a way that excessive stress and wear on the components does not occur, even with an unusual inclined pull, so that no faults in Operating sequence occurs on a cable winch equipped with this short plastic cable guide.
  • a rope 1 indicated by a dash-dotted line is passed through a slot 3 of a guide bracket 4 when wound onto a rope drum 2, which is provided with a reinforcement angle 5 and is connected to a guide segment 6.
  • This is connected to a holding segment 7 by means of two bolts 10 guided through overlapping ends 11 and, like the guide segment 6 with a thread profile 8, is guided on the cable grooves of the cable drum 2.
  • the holding segment 7 has a cable hold-down device 9, which on the side of the cable drum 2 opposite the slot 3 covers two turns of the cable 1, as can be seen in FIG. 4.
  • This Fig. also shows that the reinforcement angle 5 in the end position of the rope guide protrudes with a dashed rope clip 26 of the rope drum 2 with its leg 5a and thus reduces the effective width, thus achieving a particularly small approach dimension for rope attachment.
  • the rope 1 is guided above the slot 3 provided with run-in slopes 22 with rollers 12 arranged on the guide segment 6 into the rope grooves.
  • a bearing bolt 13 fastened in the guide segment 6 carries two roller blocks 14 with axes 16 for the rollers 12. These are pressed by a spring 17 onto the incoming rope 1, the spring 17 being supported on the opposite supporting edges 15 of the roller blocks 14. Pins protruding from the supporting edges 15 form guides for the helical spring 17.
  • the guide segment 6 can be used for left-handed and right-handed rope drums; the roller blocks 14 for the rollers 12 then only have to be implemented.
  • the entire cable guide moves to the left or right in accordance with the direction of rotation and the gradient of the cable grooves because of the thread profile 8 protruding there.
  • a co-rotation of the cable guide is prevented by a guide claw 19 connected to the guide bracket, which includes a not shown rail of the winch and slides along it.
  • the guide claw 19 merges into a lower run-in slope 23 which, together with an upper run-in slope 24, forms the connection to the guide segment which can be produced by means of screws 25.
  • the guide bracket 4 and the guide segment 6 have, in order to save material and to increase the elasticity, recess chambers 20 on the side opposite the slot 3, which are separated from one another by webs 21.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Guides For Winding Or Rewinding, Or Guides For Filamentary Materials (AREA)
  • Pulleys (AREA)
  • Threshing Machine Elements (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Ropes Or Cables (AREA)

Claims (14)

1. Guidage de câble pour un câble susceptible d'être enroulé sur un tambour de câble et qui passe à travers une lumière (3) du guidage de câble, ce guidage de câble, muni d'un support (9) du câble vers le bas, venant en prise avec un profil de filetage dans les gorges de câble du tambour de câble (2), et étant entraîné axialement lors de la rotation du tambour de câble, tandis qu'il est protégé contre un entraînement en rotation par une patte de guidage (15) venant en prise sur un rail d'un treuil, guidage de câble caractérisé en ce qu'il est réalisé en matière plastique et comporte un segment de guidage (6) et un segment de maintien (7) avec un support (9) du câble vers le bas recouvrant au moins une partie de l'enroulement du câble, tandis que sur le segment de guidage (6) est fixé un étrier de guidage (4) constituant la lumière (3) et que sur le segment de guidage (6) au-dessus de la lumière (3) est monté au moins un galet (12) pressé contre le câble (1) par un ressort (17).
2. Guidage de câble selon la revendication 1, caractérisé en ce que le galet (12), le support (9) du câble vers le bas et l'étrier de guidage (4) entourent approximativement la périphérie du tambour de câble.
3. Guidage de câble selon la revendication 1, caractérisé en ce que la matière plastique est un polyamide avec une addition de MoS2.
4. Guidage de câble selon la revendication 1, caractérisé en ce que le segment de guidage (6) et le segment de maintien (7) comportent des extrémités (11) se recouvrant et des perçages pour des boulons de jonction (10).
5. Guidage de câble selon la revendication 1, caractérisé en ce que le segment de guidage (6) et l'étrier de guidage (4) comportent sur les deux côtés de la lumière (3) des chanfreins d'entrée (22) allant en s'évasant vers le côté externe du guidage de câble.
6. Guidage de câble selon la revendication 1, caractérisé en ce que l'étrier de guidage (4) comporte sur son côté opposé à la lumière (3), une cornière de renforcement (5) en acier avec une aile (5a) s'éloignant de la fente (3) sur le côté externe de l'étrier de guidage (4).
7. Guidage de câble selon la revendication 1. caractérisé en ce que le segment de guidage (6) et l'étrier de guidage (4) comportent sur leurs surfaces opposées l'une à l'autre, des chambres évidées (20) délimitées par des bords (21).
8. Guidage de câble selon une ou plusieurs des précédentes revendications, caractérisé en ce que, sur le segment de guidage de câble (6) est fixé un axe de palier (13) pour deux supports de galets (14) qui, à leurs extrémités opposées à l'axe de palier (13) comportent des galets (12) pressés contre le câble (1) par le ressort (17).
9. Guidage de câble selon la revendication 8, caractérisé en ce que les galets (12) sont montés sur des axes (16) dans les supports de galets (14) en forme de U, et qu'entre les galets (12) et les parois des supports de galets (14) sont ménagés des espaces intermédiaires (18).
10. Guidage de câble selon la revendication 8, caractérisé en ce que les supports de galets (14) comportent des bords d'appui (15) tournés l'un vers l'autre, et munis de bords d'appui (15) munis de guidage de ressorts pour le ressort hélicoïdal de pression (17) prenant appui sur eux.
11. Guidage de câble selon la revendication 8, caractérisé en ce que les galets (12), l'axe de palier (13), les supports de galets (14), les axes (16) ainsi que le ressort (17) sont en acier.
12. Guidage de câble selon la revendication 11, caractérisé en ce que les galets (12) sont trempés et sont montés sur les axes (16) par des paliers à rouleaux.
13. Guidage de câble selon une ou plusieurs des précédentes revendications, caractérisé en ce que l'étrier de guidage en matière plastique (4) est guidé par une patte de guidage (19) en matière plastique contre un rail d'un treuil à câble de façon à pouvoir être déplacée axialement.
14. Guidage de câble selon la revendication 1, caractérisé en ce que la patte de guidage (19) se prolonge par un limiteur inférieur d'entrée (23), qui en conjonction avec un limiteur supérieur d'entrée (24) constitue une liaison entre l'étrier de guidage (4) et le segment de guidage (6) à travers laquelle passe une vis (25).
EP85103136A 1984-06-13 1985-03-19 Guidage du câble Expired - Lifetime EP0169968B2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT85103136T ATE31184T1 (de) 1984-06-13 1985-03-19 Seilfuehrung.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19843421843 DE3421843A1 (de) 1984-06-13 1984-06-13 Seilfuehrung
DE3421843 1984-06-13

Publications (3)

Publication Number Publication Date
EP0169968A1 EP0169968A1 (fr) 1986-02-05
EP0169968B1 true EP0169968B1 (fr) 1987-12-02
EP0169968B2 EP0169968B2 (fr) 1992-11-11

Family

ID=6238204

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85103136A Expired - Lifetime EP0169968B2 (fr) 1984-06-13 1985-03-19 Guidage du câble

Country Status (4)

Country Link
US (1) US4634078A (fr)
EP (1) EP0169968B2 (fr)
AT (1) ATE31184T1 (fr)
DE (2) DE3421843A1 (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3724024A1 (de) * 1987-07-21 1989-02-02 Abus Kg Seilfuehrung fuer trommeln
DE3921058A1 (de) * 1989-06-23 1991-01-10 Mannesmann Ag Seilfuehrung
CA2074307C (fr) * 1991-07-29 1995-12-12 Leslie J. Sell Guide de cable
US5482219A (en) * 1993-11-01 1996-01-09 Tcholakov; Stoil M. Rope guide for wire air or electric hoists
US7104492B1 (en) 2003-03-25 2006-09-12 Deco Power Lift, Inc. Cable winder guide
DE102005046900A1 (de) * 2005-09-30 2007-04-05 Demag Cranes & Components Gmbh Seilführung einer Seilwinde, insbesondere einer Seilhubwinde
SG154361A1 (en) * 2008-01-30 2009-08-28 Seow Tiong Bin A hoist
USD753137S1 (en) * 2014-04-06 2016-04-05 Hsien-Wen Chang Display screen with transitional graphical user interface
JP6265846B2 (ja) * 2014-06-25 2018-01-24 株式会社キトー ロープガイド機構およびロープホイスト
JP6321473B2 (ja) * 2014-07-04 2018-05-09 株式会社キトー ロープガイド機構およびロープホイスト
FI126373B (fi) * 2014-10-20 2016-10-31 Konecranes Global Oy Nosturin köysitelan köydenohjain
CN109095373A (zh) * 2018-11-08 2018-12-28 南京禄口起重机械有限公司 电动葫芦导绳器
WO2020153088A1 (fr) * 2019-01-22 2020-07-30 株式会社キトー Mécanisme de guidage de câble et palan à câble

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1250992B (fr) *
US1782358A (en) * 1926-12-30 1930-11-18 Demag Ag Winch drum
US1973446A (en) * 1934-01-23 1934-09-11 Brer A E Resenquist Cable guiding device
CH220559A (de) * 1941-10-02 1942-04-15 Brun & Cie Aufzugwinde mit gerillter Seiltrommel und selbsttätiger Seilführung.
GB641821A (en) * 1947-11-18 1950-08-23 Felco Hoists Ltd Improvements in or relating to winding mechanism for hoists, lifts, cranes and the like
DE800244C (de) * 1948-10-10 1950-10-25 Bamag Meguin Akt Ges Seilandrueckrolle fuer Seiltrommeln zur Verhinderung von Seilverwicklungen bei Schlaffseilbildung
FR1128691A (fr) * 1955-07-06 1957-01-09 Comp Generale Electricite Palan comportant un dispositif permettant d'éviter au câble de levage de foisonner sur le tambour dudit palan
FR1162020A (fr) * 1956-12-07 1958-09-08 Verlinde Soc Guide-câble avec enrouleur sur un tambour rainuré
US3226090A (en) * 1963-06-18 1965-12-28 Aircraft Armaments Inc Materials handling arrangement
DE1756614A1 (de) * 1968-06-15 1970-04-09 Demag Zug Gmbh Aus wenigstens zwei Segmenten zusammengesetzter Gewindering einer Seilfuehrung fuer gekapselte Windentrommeln
DE2316930B1 (de) * 1973-04-04 1974-08-15 Swf Sueddeutsche Winden- Und Foerderanlagen-Fabrik Von Bechtolsheim & Stein Kg, 8000 Muenchen Der Trommel einer Seilwinde zugeordneter Seilwickler
SU595249A2 (ru) * 1976-06-21 1978-02-28 Предприятие П/Я А-7255 Канатоукладчик
GB1546711A (en) * 1976-07-20 1979-05-31 Tcholakov S Rope guide and a hoist comprising the guide
GB2061861B (en) * 1979-10-25 1983-05-05 Aabacas Eng Co Ltd Rope guides for hoists

Also Published As

Publication number Publication date
DE3561106D1 (en) 1988-01-14
DE3421843C2 (fr) 1990-10-04
EP0169968A1 (fr) 1986-02-05
EP0169968B2 (fr) 1992-11-11
DE3421843A1 (de) 1985-12-19
US4634078A (en) 1987-01-06
ATE31184T1 (de) 1987-12-15

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