EP2458091B1 - Dameuse avec un treuil à câble - Google Patents

Dameuse avec un treuil à câble Download PDF

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Publication number
EP2458091B1
EP2458091B1 EP11190365.4A EP11190365A EP2458091B1 EP 2458091 B1 EP2458091 B1 EP 2458091B1 EP 11190365 A EP11190365 A EP 11190365A EP 2458091 B1 EP2458091 B1 EP 2458091B1
Authority
EP
European Patent Office
Prior art keywords
reel
winch
cable
capstan
gear mechanism
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
EP11190365.4A
Other languages
German (de)
English (en)
Other versions
EP2458091A2 (fr
EP2458091A3 (fr
Inventor
Stephan Mayer
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.)
Kassbohrer Gelandefahrzeug AG
Original Assignee
Kassbohrer Gelandefahrzeug 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.)
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Publication date
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Publication of EP2458091A3 publication Critical patent/EP2458091A3/fr
Application granted granted Critical
Publication of EP2458091B1 publication Critical patent/EP2458091B1/fr
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
    • E01H4/00—Working on surfaces of snow or ice in order to make them suitable for traffic or sporting purposes, e.g. by compacting snow
    • E01H4/02—Working on surfaces of snow or ice in order to make them suitable for traffic or sporting purposes, e.g. by compacting snow for sporting purposes, e.g. preparation of ski trails; Construction of artificial surfacings for snow or ice sports ; Trails specially adapted for on-the-snow vehicles, e.g. devices adapted for ski-trails
    • 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
    • B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/28—Other constructional details
    • B66D1/40—Control devices
    • B66D1/48—Control devices automatic
    • B66D1/50—Control devices automatic for maintaining predetermined rope, cable, or chain tension, e.g. in ropes or cables for towing craft, in chains for anchors; Warping or mooring winch-cable tension control
    • B66D1/505—Control devices automatic for maintaining predetermined rope, cable, or chain tension, e.g. in ropes or cables for towing craft, in chains for anchors; Warping or mooring winch-cable tension control 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
    • B66D1/60—Rope, cable, or chain winding mechanisms; Capstans adapted for special purposes
    • B66D1/74—Capstans
    • B66D1/7405—Capstans having two or more drums providing tractive force
    • B66D1/741—Capstans having two or more drums providing tractive force and having rope storing means

Definitions

  • the invention relates to a snowcat with a winch assembly comprising a rotatable winch arm and a reel on which a winch cable is held up and unwound.
  • a snowcat for the processing of snow terrain is generally known, cf. EP1 331 198 A1 and US 5,765,782 A.
  • snow groomers are equipped with a winch assembly located behind a cab.
  • the winch assembly has a winch leading winch arm which is rotatably supported relative to the vehicle.
  • the winch assembly comprises a reel on which the winch rope is held up and unwound.
  • a cable end in the extension direction of the winch rope is fastened to a stationary point above the steep slope to be worked.
  • the cable winch arrangement is provided with a winch drive, which supports a chain drive of the snow groomer during winching operation and thus permits tillage even on steep terrain.
  • the object of the invention is to provide a snowcat as well as a winch assembly of the type mentioned, allow the extended use of the snow groomer.
  • the winch cable winch assembly has a maximum cable pull force of more than 40,000 N, in particular in the range between 41,000 N and 50,000 N.
  • a particularly advantageous embodiment has a tensile force of 45 kN, which is referred to in the jargon as a tensile force of 4.5 t.
  • the high maximum traction enables surface treatment in particularly steep terrain, where the weight of the snow groomer is more important than on flat terrain.
  • the underlying object of the invention solved in that the reel drive is designed to be controllable, that means are provided for detecting a rope layer of the winch rope on the reel, and that means for controlling the reel drive taking into account the rope layer of the winch rope on the reel are provided such that a rope tension of the winch rope in Area between reel and Spillgetriebe is at least largely kept constant.
  • the substantially constant bias allows a particularly accurate and uniform winding or unwinding of the winch cable from the reel. This also large cable lengths can be wound on the reel or deducted from this, without any miswinding or damage of the winch rope occur.
  • the cable winch assembly with a reel associated with a capstan spool, which has two parallel axes of rotation mounted on spill shafts Spillkopfikien and a drive for the Spillgetriebe associated, parallel to the axes of rotation drive shaft which drives the spill shaft by means of a gear transmission
  • the spill shafts means Rolling bearings are mounted in a spill housing, it is provided that the rolling bearings are provided on their facing the open portions of a Spillgetriebegephases sides with dustproof or pollution-proof seals. Suitable seals are in particular labyrinth or channel seals. This prevents the rolling bearings from getting dirty and having to be replaced prematurely.
  • each Spillkopfiser six Spill heads on which the winch cable is deflected.
  • Known capstan for snow groomers have seven or more spill heads per Spillkopftician.
  • the reduced number of only six Spillköpfen reduces the number of necessary bending changes for the winch rope, whereby a reduced stress of the winch rope is given.
  • all spill heads have a usable diameter of between 300 and 330 mm.
  • This usable Diameter is increased compared to known Spillgropfen.
  • the increased usable diameter inevitably leads to a larger radius for a deflection of the winch rope and consequently to a smaller curvature or bending of the winch rope.
  • the stress of the winch rope is reduced in a winch operation of the snowcat. Due to the increased diameter corresponding occurring, higher loads on the capstan are compensated by the design of the components of the capstan, in particular of gear pairs of the capstan, with higher collateral.
  • a snowcat 1 after Fig. 1 is intended for the processing of snow terrain.
  • the snowcat 1 is provided in a basically known manner with a drive formed by a chain drive. Front side, a plow blade is attached. On the rear side, the snowcat 1 is equipped with a rear tiller.
  • the snowcat 1 has behind a cab on a functional platform on which a winch assembly 2 is attached.
  • the winch assembly 2 has one in the illustration Fig. 1 over the cab forward projecting winch arm 3, which serves to guide the rope.
  • the winch assembly 2 also has an in Fig. 1 merely indicated reel 6 on which the winch rope is held up and unwound.
  • the reel 6 is an in Fig.
  • the cable winch assembly 2 has a stationary support frame, are accommodated in the reel and spill gearing.
  • the winch arm is rotatably supported in this embodiment relative to the stationary support frame about a rotational axis extending in the vehicle vertical direction.
  • the winch assembly 2 has a winch rope W, which has a usable rope length of 1400 m in the illustrated preferred embodiment.
  • the actual rope length of the winch rope W is slightly larger than the usable rope length.
  • the usable rope length is the rope length to which the winch rope W is fully extended and stretched state extends between the front in the extension direction cable end and a front end of the winch arm 3, where the winch rope W leaves the winch arm 3.
  • the cable winch arrangement 2 is a drive drum winch arrangement which comprises a reel 6 mounted in a stationary manner in the carrier frame 4 and a spinner gear 7 located upstream of the reel 6.
  • the spill gear 7 has two spaced apart with parallel axes of rotation Spillkopfiseren 11, 12, which are each formed by six adjacent Spillköpfe 11a.
  • Each spill head is a pulley, wherein the six spill heads 11a are coaxially flanged together in a manner not shown and form a compact, one-piece functional unit, namely the Spillkopfmaschine 11, 12. All spill heads of the two Spillkopftechniken 11, 12 are designed identically and have a usable diameter of 310 mm.
  • the usable diameter is measured in the area of a bottom of each groove-shaped annular groove of each spud head 11a.
  • the two Spillkopfritten 11, 12 have in the region of their axes of rotation at a distance from each other, which is 350 mm.
  • the two Spillkopfritten 11, 12 are by means of a gear transmission, as in the Fig. 4 and 6 with the reference numeral 9, 10, 18 indicated, jointly drivable.
  • a controllable hydraulic motor 8 is provided, which is connected to a vehicle-side hydraulic control.
  • Fig. 6 On a driven by the hydraulic motor 8 drive shaft sits in accordance Fig. 6 opposite to the hydraulic motor 8 a not described in detail and in Fig. 6 indicated brake 15.
  • the representation in the Fig. 2 to 4 is only functional. In the presentation according to Fig. 5 For reasons of clarity, the brake 15 is omitted.
  • the spill gearing 7, which comprises the toothed gearing and the spill head units 11, 12 and corresponding spill shafts serving to mount the spill head units 11, 12, is accommodated within a spill gearing housing 13, 14.
  • the unspecified spill shafts ( Fig. 6 ) of the two Spillkopfikien 11, 12 are rotatably supported by means of rolling bearings 16 in the Spillgetriebegephase 13, 14.
  • the bearings 16 are each assigned a channel seal 17 on their sides facing the spill head units 11, 12, which seals the housing sections of the spill gear housing 13, 14 open to the respective spill head unit 11, 12. Instead of channel seals 17 and labyrinth seals can be provided.
  • the channel seals 17 or corresponding labyrinth seals seal corresponding gaps between Spillkopfiki 11, 12 and housing walls of Spillgetriebegephaseuses 13, 14 so pollution-free and dust-free that no dirt can get into the rolling bearings 16.
  • the gear drive and the corresponding shafts are stored wet running.
  • By the described seals by means of the channel seals 17 or labyrinth seals for the capstan 7 a lifetime of more than 5000 hours of operation and an oil change cycle is achieved after every about 600 hours of operation.
  • the six spill heads 11a on the two spill head units 11, 12 lead to corresponding cable deflections of the winch rope W in the area of the spill gear 7 of a total of two times six bending changes. These are based on the Fig. 4 and 5 recognizable.
  • the reel 6 is assigned a cable winding arm 19 ( Fig. 5 ), which exactly guides the winch cable W for cable windings distributed in parallel, over the entire width of the reel 6, in different, uniform winding layers.
  • each winding layer of the winch rope W on the reel 6 fifty rope windings, which are also referred to as cable turns.
  • each Cable winding or cable winding corresponds to a 360 ° wrap of the winch rope W on the cylinder surface of the reel 6.
  • a rotation axis of the reel 6 is associated with a sensor S for detecting the revolutions of the reel 6, which is designed as an absolute encoder in the form of a rotary encoder.
  • This sensor S comprises angles of rotation and revolutions of the reel 6. Since the number of rope windings in each winding layer of the winch rope W on the reel 6 by a rope thickness and a corresponding, usable for rope windings width of the reel 6 is predetermined, the sensor S can detect as soon as a winding layer of the winch rope W on the reel 6 is completed and the winding or settlement of the next winding layer begins.
  • This information determined by the sensor S uses an electronic control unit St, which evaluates the determined information and drives a drive M.
  • a control of the drive M by a suitable increase or reduction of the revolutions of the reel 6 is dependent on the distance of the respective winding layer to the axis of rotation of the reel 6.
  • the corresponding control of the drive M takes into account that further outwardly located winding layers a greater radial distance from the axis of rotation of the reel. 6 have as more inner winding layers.
  • the speed of the drive M acting on the reel 6 must be Depending on the winding or unwinding state of the winch rope W are adjusted accordingly. Since the rope speed of the winch rope W relatively easy from the rotational speed of the reel 6 and the distance of the currently withdrawn or wound winding layer can be calculated to the axis of rotation of the reel 6, via the control unit St with the detection of the current winding position by counting the revolutions of the reel 6 in unwinding or winding also allows the assignment to corresponding desired data stored in a memory of the control unit St. A corresponding comparison between actual values and setpoints leads to the corresponding control of the drive M.
  • the drive M is designed as a hydraulic drive, which is controlled pressure-dependent.
  • the drive M is designed as a hydraulic adjusting motor.
  • the control of the reel drive is therefore carried out in the following steps:
  • the sensor S counts the number of revolutions that the reel 6 performs in both directions of rotation.
  • the first reel is filled up. Further rotation of the reel 6 in the same direction of rotation leads to a filling of the cable windings of the second winding layer. After another fifty turns, the third wrap is started and so on.
  • monitoring of the cable winding arm 19 can be provided in order to ensure that the cable winding arm 19 actually distributes the individual cable windings over the entire width of the reel 6.
  • set values are stored at which reel speed for each reel a constant rope tension range between 1500 and 3000 N - measured in the range of the winch W between reel 6 and spill gearing 7 - results.
  • a comparison with the setpoint inevitably leads to a desired speed for the reel drive M, which in the Target data is assigned a correspondingly appropriate hydraulic pressure.
  • This is set by appropriate control by means of the control unit St and adapted at a respective winding or unwinding the reel 6 respectively. By the pressure control, the desired speed change of the reel 6 is dependent on the detected winding position.
  • the cable winch arrangement described achieves a maximum traction force of 45 kN.
  • 40 kN can be achieved for a driving speed of up to 8 km / h and 25 kN at a speed of 16.5 km / h.
  • the cable pull forces of 25 kN or 40 kN can also be achieved up to higher speed ranges.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Flexible Shafts (AREA)
  • Electric Cable Installation (AREA)
  • Tires In General (AREA)
  • Storing, Repeated Paying-Out, And Re-Storing Of Elongated Articles (AREA)

Claims (5)

  1. Dameuse chenillée (1) avec un agencement de treuil à câble (2), comprenant un bras de treuil (3) rotatif ainsi qu'un enrouleur (6), sur ledit enrouleur un câble de treuil (W) est retenu pour enrouler et dérouler, ainsi qu'avec une transmission de cabestan (7) par le biais de laquelle, lors de l'opération du treuil, le câble de treuil (W) est enlevé de l'enrouleur (6) ou amené à l'enrouleur (6), ainsi qu'avec un entraînement de l'enrouleur (M) et avec un entraînement (8) pour la transmission de cabestan (7),
    caractérisée en ce que
    une longueur de câble utilisable pour une opération du treuil de la dameuse est supérieure à 1200 m, et en ce que l'entraînement de l'enrouleur (M) est conçu de façon à être contrôlable, des moyens (S) pour détecter une position de câble du câble de treuil (W) sur l'enrouleur (6) étant prévus, et en ce que des moyens (St) pour contrôler l'entraînement de l'enrouleur (M) en considérant la position de câble du câble de treuil (W) sur l'enrouleur (6) sont prévus de manière à ce qu'une tension de câble du câble de treuil (W) entre enrouleur (6) et transmission de cabestan (7) est maintenue à un niveau constant dans une plage entre 1.500 N et 3.000 N, les moyens (S) pour détecter une position de câble du câble de treuil sur l'enrouleur (6) comprenant un codeur rotatif (S) attribué à un axe de rotation de l'enrouleur (6).
  2. Dameuse chenillée selon la revendication 1, caractérisée en ce que le câble de treuil (W) de l'agencement de treuil à câble (2) présente une force de traction de câble maximale de plus de 40 kN, en particulier dans la plage de 41 à 50 kN.
  3. Dameuse chenillée selon la revendication 1 ou 2, avec une transmission de cabestan (7) attribuée à un enrouleur (6), la transmission comprenant deux unités de tête de cabestan (11, 12) montées sur des arbres de cabestan autour des axes de rotation parallèles l'un à l'autre ainsi qu'un arbre d'entraînement parallèle aux axes de rotation attribué à un entraînement (8) pour la transmission de cabestan (7), l'arbre d'entraînement entraînant les arbres de cabestan par le biais d'un engrenage par roue dentée (9, 10, 18), les arbres de cabestan étant montés dans un boîtier de transmission de cabestan (13, 14) par le biais de paliers à rouleau (16),
    caractérisée en ce que
    les paliers à rouleau (16) sont fournis, sur les côtés orientés vers les sections ouvertes d'un boîtier de transmission de cabestan (13, 14), de joints d'étanchéité étanches à la poussière et étanches à la salissure, en particulier de joints d'étanchéité du conduit ou de joints labyrinthe.
  4. Dameuse chenillée selon la revendication 3, caractérisée en ce que chaque unité de tête de cabestan est constituée de six têtes de cabestan (11a) autour desquels le câble de treuil (W) est détourné.
  5. Dameuse chenillée selon la revendication 4, caractérisée en ce que toutes les têtes de cabestan (11a) présentent un diamètre utilisable dans la plage entre 300 et 330 mm.
EP11190365.4A 2010-11-25 2011-11-23 Dameuse avec un treuil à câble Active EP2458091B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102010061982A DE102010061982A1 (de) 2010-11-25 2010-11-25 Pistenraupe mit einer Seilwindenanordnung

Publications (3)

Publication Number Publication Date
EP2458091A2 EP2458091A2 (fr) 2012-05-30
EP2458091A3 EP2458091A3 (fr) 2014-03-05
EP2458091B1 true EP2458091B1 (fr) 2017-08-23

Family

ID=45318827

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11190365.4A Active EP2458091B1 (fr) 2010-11-25 2011-11-23 Dameuse avec un treuil à câble

Country Status (2)

Country Link
EP (1) EP2458091B1 (fr)
DE (1) DE102010061982A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114537060A (zh) * 2020-11-24 2022-05-27 普瑞诺斯股份公司 用于准备滑雪道的履带式车辆和控制履带式车辆的绞盘的方法
DE102023122683A1 (de) * 2023-08-24 2025-02-27 Kässbohrer Geländefahrzeug Aktiengesellschaft Pistenraupe mit wenigstens einem Arbeitsgerät

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0719726A1 (fr) * 1994-12-28 1996-07-03 MDP Meccanica del Piave S.p.A. Dispositif de sécurité pour véhicule à treuil de manoeuvre
DE10203763A1 (de) * 2002-01-25 2003-08-14 Kaessbohrer Gelaendefahrzeug Windeneinheit für ein Pistenfahrzeug
CA2441650C (fr) * 2002-10-08 2008-12-02 Bombardier Recreational Products Enrouleur de cable pour vehicule a damer les pistes de ski
IT1394923B1 (it) * 2009-02-18 2012-07-27 Rolic Invest Sarl Veicolo battipista comprendente un gruppo verricello di ausilio alla movimentazione del veicolo battipista lungo pendii ripidi e metodo di azionamento del gruppo verricello

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP2458091A2 (fr) 2012-05-30
DE102010061982A1 (de) 2012-05-31
EP2458091A3 (fr) 2014-03-05

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