EP4001202B1 - Treuil avec un enrouleur électro-hydraulique pour enrouler un câble métallique - Google Patents

Treuil avec un enrouleur électro-hydraulique pour enrouler un câble métallique

Info

Publication number
EP4001202B1
EP4001202B1 EP21206869.6A EP21206869A EP4001202B1 EP 4001202 B1 EP4001202 B1 EP 4001202B1 EP 21206869 A EP21206869 A EP 21206869A EP 4001202 B1 EP4001202 B1 EP 4001202B1
Authority
EP
European Patent Office
Prior art keywords
drum
holder
winder
rope
controller
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.)
Active
Application number
EP21206869.6A
Other languages
German (de)
English (en)
Other versions
EP4001202A1 (fr
Inventor
Franc Pisek
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.)
Pisek Vitli Krpan doo
Original Assignee
Pisek Vitli Krpan doo
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 Pisek Vitli Krpan doo filed Critical Pisek Vitli Krpan doo
Publication of EP4001202A1 publication Critical patent/EP4001202A1/fr
Application granted granted Critical
Publication of EP4001202B1 publication Critical patent/EP4001202B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B66D1/40—Control devices
    • B66D1/48—Control devices automatic
    • B66D1/485—Control devices automatic electrical
    • 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
    • B66D1/26—Rope, cable, or chain winding mechanisms; Capstans having several drums or barrels
    • 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D2700/00—Capstans, winches or hoists
    • B66D2700/01—Winches, capstans or pivots
    • B66D2700/0183—Details, e.g. winch drums, cooling, bearings, mounting, base structures, cable guiding or attachment of the cable to the drum
    • B66D2700/0191—Cable guiding during winding or paying out

Definitions

  • the present invention belongs to the field of forestry winches, more precisely to the field of constructional details of forestry winches, which are related to winding of a rope onto a drum.
  • the present invention relates to a winch comprising an electro-hydraulic winder for winding a wire rope and a winch with said winder.
  • the technical problem which is solved by the present invention, is construction of a system that will enable even winding of the wire or the pulling rope on the drum.
  • Mechanical assemblies that track the winding action and ensure approximately even winding are known, however, also these assemblies face deviations, as during tilting of the winch the weight of the winder affects the quality of rope winding.
  • the disadvantage of mechanical winders are large dimensions consequently leading to challenging installation or reduced compactness of the construction.
  • Patent US2662703 describes an automatic mechanism for leading rope during winding, said mechanism comprising mechanical components.
  • This solution differs from the present invention in its design.
  • Patent US2424380 discloses a winch with a guide or a rope winder, wherein the guide is slidably installed on a drive shaft, so as to allow rotation of the drum during rope winding, while the guide travels back and forth in parallel to the drum, thus guiding the rope which is being wound on the drum.
  • This solution prevents entanglement of the rope and prevents clustering of the rope (several layers of rope on one end of the drum, while the other parts of the drum have no or few rope layers).
  • a disadvantage of this solution is that it is not resistant to side loads.
  • the invention differs from the solution described in US2424380 in the mechanical components.
  • Document CN101700859 describes a winch with an automatic rope winder, winch comprises a steel wire rope pulley, a rope releaser sliding block and a winch roller which are sequentially connected by a steel wire rope.
  • the steel wire rope pulley is placed on a disc rope releaser through a positioning shaft; the rope releaser sliding block is arranged on parallel slideways which are parallel vertically, and a rope release jack and a rope release positioning block are sequentially connected and arranged at one end of the rope releaser sliding block; the rope release jack is communicated with an electric hydraulic pump.
  • This winder differs from the present invention in its construction.
  • a winder for uniform winding of a wire rope onto a drum said winder comprising a mechanical assembly of the winder and an electrohydraulic assembly.
  • the mechanical assembly is directly connected to the drum, onto which wire rope is wound, and comprises a cross spindle with a nut and a drive assembly for translation of torque from the drum to the cross spindle.
  • Left and right movement of the nut imitates the path and speed of movement of the wire rope during winding on the drum.
  • a rotational angle sensor is attached to the nut, wherein the sensor is connected to a controller of the winch and measures deviation of the winder with regards to the nut.
  • the controller corrects the pathway of the winder based on the measured deviations (angles) in order to harmonize movement of the nut and a holder for cylinders and consequently the wire rope.
  • the present invention does not have the mechanical assembly, thus having a simpler construction.
  • the utility model CN202766182 discloses a crane winch according to the preamble of claim 1.
  • an electric hydraulic control rope blocking device which comprises a rope blocking mechanism, a rope blocking hydraulic mechanism, a single-ring absolute encoder, a multiple-ring absolute encoder and a controller.
  • the rope blocking mechanism further comprises a swinging rod, a rope blocking roller, a guide rail rod, a guide rod and a rope blocking roller support.
  • the rope blocking hydraulic mechanism comprises a proportional electromagnetic valve of the oil cylinder of the rope blocking roller and the oil cylinder of the rope blocking roller.
  • the multi-ring absolute encoder is arranged on a rolling cylinder of a winding, and the controller is arranged in an operational chamber of a crane.
  • the electric hydraulic control rope blocking device can effectively avoid line disordering phenomenon, reduces friction among steel wire ropes on the winding, achieves systematic intelligent control due to the fact that an electric hydraulic control system is adopted, improves control precision of a system, and enables a winding mechanism to operate stably.
  • This solution tracks drum rotation in a different manner as the present invention.
  • Document CN104355253 relates to a rope arranging device and a rope arranging method for the steel wire rope of a winch.
  • the rope arranging device for the steel wire rope of the winch comprises an oscillating bar driving mechanism, a steel wire rope adjusting mechanism and a support mechanism, wherein the oscillating bar driving mechanism comprises an oscillating bar, is connected with the steel wire rope adjusting mechanism, and can drive the steel wire rope adjusting mechanism to move to adjust the position of the steel wire rope adjusting mechanism; the steel wire rope adjusting mechanism adjusts the rope winding starting position of the steel wire rope of the winch according to the position of the steel wire rope adjusting mechanism.
  • the oscillating bar is utilized to drive the steel wire rope adjusting mechanism to adjust the position of the steel wire rope adjusting mechanism, so that the rope winding starting position of the steel wire rope is further adjusted, the winch is prevented from rope disordering phenomena such as rope jumping, rope climbing, intersection and sinking caused by tightening, the boom retraction efficiency of a cargo boom is increased, potential safety hazards such as boom impact caused by rope disordering and rope jumping are eliminated, and the working safety is improved.
  • This document is silent about determination of drum rotation.
  • the utility model CN202358865 provides a cable arranging device comprising two end plates which are used for fixing the cable arranging device on a boat body, wherein two polish rods which are parallel with each other and a guide screw are connected between the two end plates, and a slide support is slidably arranged on the two polish rods; and the slide support is in threaded connection with the guide screw, and is in power connection with the guide screw through a cable arranging motor; so that the slide support can be controlled to slide between the two end plates back and forth, and therefore, a cable can be arranged to another side from one side of a winding drum of a cable storing winch.
  • a cable arranging pulley is arranged on the slide support, the cable arranging pulley is in pivot joint on a pulley support, one end of the pulley support is in pivot joint with the slide support, and a cable arranging hydraulic cylinder is further connected between the pulley support and the slide support.
  • the cable arranging device is used for driving the cable arranging hydraulic cylinder to be telescopic, so that the deflection angel of the pulley support and the cable arranging slide wheel can be controlled, and the cable can be guaranteed to be neatly and orderly arranged. This document is silent about determination of drum rotation.
  • the essence of the electric-hydraulic winder for uniform winding of the wire rope onto a drum of a winch is in that the winder comprises:
  • the drum has attached rings with suitably distributed grooves, preferably evenly (uniformly) or unevenly distributed grooves along the circumference.
  • grooves may be made, cut or milled, directly in the side of the drum.
  • the inductive sensor which is preferably mounted on the housing of the winch in a fixed manner.
  • the controller can calculate the rotation speed of the drum and consequently the speed of movement of the wire rope left and/or right with regards to the pipe of the drum (on which the wire rope is wound).
  • the controller knows the current position of the wire rope on the drum.
  • the direction of drum rotation is known to the controller on the basis of signal caused by the user selecting either activation of pulling or opening of the brake.
  • the preferred option for movement of the holder with redirecting cylinders is the hydraulic cylinder, as winches are usually equipped with a hydraulic system and because forces for movement are large. However, it is also possible to achieve movement with a linear electromotor, but this solution is expensive. In addition, a strong electricity source is needed and further optimization of the winder and winch construction would be necessary.
  • the preferred embodiment of the winder with the angle sensor and forks on the holder of redirecting cylinders can also be replaced with a linear measuring rod or any other element that is suitable to measure or detect the position of the holder with redirecting cylinders.
  • a suitable crankshaft mechanism could be used, said crankshaft mechanism being arranged to move the rope as it is wound along the width of the drum.
  • the controller is arranged to sense:
  • the winch with the winder according to the invention may be any suitable winch, provided with one or two drums, wherein the winder enables optimal winding of the rope in even layers, thus significantly decreasing the possibility of rope damage.
  • the winder is mounted on the winch in any known manner from the side where the wire rope exits or runs towards the drum.
  • Figure 1 shows a drum B provided with rings B1 with evenly distributed grooves B2 along the circumference of the drum or the grooves are made directly on the side of the drum. Said grooves are counted by the inductive sensor 2, which is preferably mounted on the housing of the winch in a fixed manner.
  • Figure 2 depicts the winder for uniform winding of the wire rope onto the drum according to a possible embodiment for a double-drum winch, said winder comprising:
  • the holder 5 with redirecting cylinders 5a has transverse redirecting cylinders 5a for leading the wire rope as shown in figure 2 .
  • FIG. 3 A schematic view of control of the winder according to the invention is shown in figure 3 , wherein the controller based on the calculated position of the wire rope on the drum (tracking data from both sensors) opens the electrohydraulic valve and tracks the angle with the angle sensor 1a.
  • the hydraulic oil causes movement of the cylinder of the winder 5c and thus movement of repositioning cylinders 5 into a suitable direction and with a suitable speed, until the angle sensor reaches a neutral position.
  • a minimum angle of the rope running between the cylinders 5a on the holder with redirecting cylinders 5 and the rope on the drum is thus achieved, which consequently leads to proper winding of the wire rope onto the drum.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Winding Filamentary Materials (AREA)
  • Tension Adjustment In Filamentary Materials (AREA)

Claims (7)

  1. Treuil avec un enrouleur électro-hydraulique pour enrouler un câble métallique sur le tambour du treuil, ledit enrouleur comprenant :
    - un support d'enrouleur,
    - un support (5) doté de cylindres de réorientation (5a) conçus pour diriger le câble vers le tambour, où ledit support des cylindres de réorientation est installé de façon mobile sur le support d'enrouleur ou est couplé avec ledit support (1) d'enrouleur de façon mobile,
    - un vérin hydraulique bidirectionnel (5c) ou un électromoteur linéaire, qui est d'un côté monté sur le support (5) doté de cylindres de réorientation (5a), et de l'autre côté sur le support de l'enrouleur,
    - un contrôleur, qui est de préférence un contrôleur du treuil, ledit contrôleur étant connecté à :
    ∘ un capteur inductif (1) ou tout autre capteur, mécanisme ou commutateur approprié, monté sur le tambour, où ledit capteur est conçu pour détecter la vitesse de rotation du tambour,
    ∘ un capteur d'angle rotatif (1a) installé sur le support de l'enrouleur, ou une tige de mesure linéaire, une échelle de mesure ou tout autre élément conçu pour mesurer l'angle entre le support (5) doté de cylindres de réorientation (5a) et le support de l'enrouleur, pour l'ajustement de la vitesse et de la direction du mouvement du vérin hydraulique (5c),
    ∘ une vanne appropriée, de préférence une vanne proportionnelle à trois voies contrôlée électriquement, conçue pour contrôler le vérin hydraulique (5c), qui est conçu pour déplacer le support (5) doté de cylindres de réorientation (5a) pour le cas où le contrôleur détecte le besoin de corriger la trajectoire de mouvement du support doté de cylindres de réorientation, sur la base des valeurs mesurées par les capteurs,
    caractérisé par le fait que le capteur inductif (1) ou tout autre capteur, mécanisme ou commutateur approprié, monté sur le tambour, est conçu pour détecter la vitesse de rotation du tambour (3) en détectant les rainures (2) sur le tambour (3), ledit tambour (3) étant pourvu d'anneaux fixes avec des rainures (2) réparties de façon appropriée, de préférence uniforme, et présentes sur la circonférence du tambour (3).
  2. Le treuil selon la revendication 1, caractérisé par le fait que le contrôleur détecte :
    - la vitesse de rotation du tambour en comptant le mouvement des rainures (2) sur le tambour (3),
    - la direction de rotation du tambour (3), de préférence en détectant l'enroulement ou le déroulement activé du câble,
    - l'angle entre le support (5) doté de cylindres de réorientation (5a) et le support de l'enrouleur,
    où, sur la base des valeurs mesurées, le contrôleur est conçu pour effectuer une correction appropriée de la trajectoire de mouvement du support doté de cylindres de réorientation par le biais de la vanne appropriée, afin d'obtenir le mouvement synchronisé des cylindres de réorientation par rapport à la direction et à la vitesse des rotations du tambour, assurant ainsi l'enroulement adéquat du câble.
  3. Treuil selon l'une quelconque des revendications précédentes, caractérisé par le fait que le contrôleur est conçu pour détecter un décalage entre la rotation du tambour (3) et le mouvement du support (5) doté de cylindres de réorientation (5a), où sur la base du décalage détecté, le contrôleur est conçu pour ajuster le vérin hydraulique (5c) avec la vanne hydraulique, où dans le cas où il est déterminé que le support (5) doté de cylindres de réorientation (5a) est en retard par rapport au câble du tambour (3), la vitesse de mouvement des cylindres de réorientation (5a) doit être augmentée en augmentant la vitesse du débit d'huile pénétrant dans le vérin (5c) en ouvrant la vanne hydraulique.
  4. Treuil selon la revendication précédente, caractérisé par le fait que ledit capteur inductif (1) compte lesdites rainures (2), ledit capteur inductif étant de préférence monté sur le boîtier du treuil de manière fixe, où sur la base de la fréquence détectée des mouvements des rainures (2), le contrôleur calcule la vitesse de rotation du tambour (3) et par conséquent la vitesse de mouvement du câble métallique sur le fût du tambour à gauche ou à droite, respectivement.
  5. Treuil selon l'une quelconque des revendications précédentes, caractérisé par le fait qu'une direction de rotation du tambour (3) est déterminée par le contrôleur sur la base du signal causé par l'utilisateur en raison de l'activation de la traction ou par l'ouverture du frein.
  6. Treuil selon l'une quelconque des revendications précédentes, caractérisé par le fait que les paramètres d'écart et d'ouverture de la vanne peuvent être définis et modifiés sur le contrôleur, afin d'obtenir un enroulement optimal du câble.
  7. Treuil selon les revendications précédentes, caractérisé par le fait que le treuil a deux tambours.
EP21206869.6A 2020-11-11 2021-11-08 Treuil avec un enrouleur électro-hydraulique pour enrouler un câble métallique Active EP4001202B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SI202000205A SI26104A (sl) 2020-11-11 2020-11-11 Elektro-hidravlični navijalec žične vrvi in vitel z omenjenim navijalcem

Publications (2)

Publication Number Publication Date
EP4001202A1 EP4001202A1 (fr) 2022-05-25
EP4001202B1 true EP4001202B1 (fr) 2026-01-07

Family

ID=79024662

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21206869.6A Active EP4001202B1 (fr) 2020-11-11 2021-11-08 Treuil avec un enrouleur électro-hydraulique pour enrouler un câble métallique

Country Status (2)

Country Link
EP (1) EP4001202B1 (fr)
SI (1) SI26104A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118343636B (zh) * 2024-04-26 2025-09-30 中国铁建重工集团股份有限公司 一种基于卷扬缓冲机构的驱动系统

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2424380A (en) 1944-11-20 1947-07-22 Jaeger Machine Co Spooling mechanism for cable winches
US2662703A (en) 1949-12-08 1953-12-15 Howard D Brown Automatic winch rope winder
NL7306302A (fr) * 1972-05-09 1973-11-13
JPS5682793A (en) * 1979-12-07 1981-07-06 Hitachi Construction Machinery Controller for winch
CN101700859B (zh) 2009-11-20 2012-05-30 兖州煤业股份有限公司 多功能绞车自动上绳机
CN202358865U (zh) * 2011-12-01 2012-08-01 射阳远洋船舶辅机有限公司 排缆装置
CN202766182U (zh) * 2012-08-15 2013-03-06 大连理工大学 电液控制的挡绳装置
CN203903872U (zh) * 2014-06-25 2014-10-29 宝鸡石油机械有限责任公司 直线电机驱动的自动排绳器
CN104355253B (zh) * 2014-10-29 2018-02-16 徐州重型机械有限公司 一种卷扬钢丝绳的排绳装置及排绳方法
CN106477472B (zh) * 2016-12-16 2019-08-06 三一汽车制造有限公司 卷扬装置和提升机
SI25917A (sl) * 2019-11-06 2021-05-31 PIŠEK - VITLI KRPAN, d.o.o. Elektro-hidravlični navijalec žične vrvi na bobnu vitla in vitel z omenjenim navijalcem
CN211594863U (zh) * 2020-01-18 2020-09-29 中国水利水电第五工程局有限公司 一种简易钢绞线收线装置

Also Published As

Publication number Publication date
SI26104A (sl) 2022-05-31
EP4001202A1 (fr) 2022-05-25

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