EP0687316A1 - Procede et dispositif d"alignement en parallele d'un chariot de transport - Google Patents

Procede et dispositif d"alignement en parallele d'un chariot de transport

Info

Publication number
EP0687316A1
EP0687316A1 EP94909040A EP94909040A EP0687316A1 EP 0687316 A1 EP0687316 A1 EP 0687316A1 EP 94909040 A EP94909040 A EP 94909040A EP 94909040 A EP94909040 A EP 94909040A EP 0687316 A1 EP0687316 A1 EP 0687316A1
Authority
EP
European Patent Office
Prior art keywords
wheels
chassis
distance
machine
driven
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
EP94909040A
Other languages
German (de)
English (en)
Other versions
EP0687316B1 (fr
Inventor
Helmut Graser
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.)
GENKINGER HEBE- und FOERDERTECHNIK GmbH
GENKINGER HEBE FOERDERTECH
Original Assignee
GENKINGER HEBE- und FOERDERTECHNIK GmbH
GENKINGER HEBE FOERDERTECH
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 GENKINGER HEBE- und FOERDERTECHNIK GmbH, GENKINGER HEBE FOERDERTECH filed Critical GENKINGER HEBE- und FOERDERTECHNIK GmbH
Publication of EP0687316A1 publication Critical patent/EP0687316A1/fr
Application granted granted Critical
Publication of EP0687316B1 publication Critical patent/EP0687316B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02H—WARPING, BEAMING OR LEASING
    • D02H13/00—Details of machines of the preceding groups
    • D02H13/38—Storage racks for beams
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03J—AUXILIARY WEAVING APPARATUS; WEAVERS' TOOLS; SHUTTLES
    • D03J1/00—Auxiliary apparatus combined with or associated with looms
    • D03J1/001—Cloth or warp beam replacement
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S414/00—Material or article handling
    • Y10S414/124—Roll handlers

Definitions

  • the invention relates to a method and a device for parallel straightening a transport carriage for warp or fabric trees that can be positioned in front of a weaving machine, the chassis of which has two longitudinally spaced, steerable and optionally motor-driven wheels.
  • Warp beam transport trolleys of this type are mainly used to change warp beam on weaving machines.
  • the full warp beam must be picked up from the floor or a storage frame, transported to the weaving machine and positioned in front of it and hung in a warp beam bearing on the machine frame.
  • the transport trolley is usually aligned and parallelized by the operator by repeated transverse and longitudinal movement of the chassis according to the eye with respect to the weaving machine. This process is cumbersome and, depending on the skill of the operator, is quite time-consuming. In the event of incorrect positioning, there are repeated stresses in the bearing area of the weaving machine and the support arms as well as in the area of the projecting tube ends of the warp beams, which leads to unnecessary wear or damage.
  • Goods wagon trolleys of this type are mainly used for the change of fabric on weaving machines.
  • a goods transport trolley has the task of lifting a fully wound goods tree out of a weaving machine, severing the fabric web, winding the free end of the fabric web on an empty goods tree and inserting the empty goods tree with the wound fabric web into the weaving machine.
  • the goods tree transport trolley is positioned in the goods passage in front of the weaving machine in question. The positioning in the longitudinal direction can be done very precisely.
  • the parallel position to the weaving machine on the other hand, is associated with difficulties. If the parallelism is inaccurate, there is a risk that undesired wrinkling will occur when the new goods tree is rolled up and then inserted. In order to prevent this, the goods tree transport trolley must be aligned parallel to the weaving machine.
  • the invention is based on the object of developing a method and a device with which a parallel direction of the transport carriage to the weaving machine is possible with simple means.
  • the transport carriage is positioned in the warp or goods aisle relative to the weaving machine in the longitudinal direction and aligned with at least one of its steerable wheels in the transverse direction of the weaving machine; Then the transverse distances to two opposing machine-fixed reference surfaces are measured in a contact-free manner from two positions arranged at a longitudinal distance from one another with the formation of distance signals and converted into a drive and / or steering movement of the wheels with the transport carriage parallelized.
  • the two motor-driven wheels oriented in the transverse direction for parallel alignment are driven in opposite directions in accordance with the distance signals or a difference signal formed from the distance signals until the trolley is aligned in parallel. If the chassis has sufficient lateral guidance, the trolley can then be moved in the transverse direction of the weaving machine without any further measuring process.
  • the two motor-driven wheels aligned in the transverse direction can be driven in parallel in the same direction at different speeds for parallel straightening in accordance with the distance signals or a difference signal formed from the distance signals, or stopped individually.
  • the transverse distances between the positions fixed to the chassis and the reference surfaces fixed to the machine can be measured and according to their mutual deviation or a deviation from predetermined target values are converted into control signals for actuating drive units of the transport vehicle or the weaving machine and / or a display device. Due to the distance measurement, the travel coordinates of the transport carriage relative to the weaving machine are known during the entire transverse travel, so that these measures meet the requirements for an automatic warp and fabric change.
  • energy beams in particular ultrasound or light beams, are used for non-contact distance measurement from the position fixed to the chassis and reflected on the machine-fixed reference surface.
  • the device for carrying out the method according to the invention has two distance sensors which are arranged at a longitudinal distance from one another and can be aligned on reflection surfaces of the weaving machine and one with. display and / or evaluation circuit connected to the distance sensors for displaying the difference between the measured distance values and / or for controlling drive and / or steering units of the wheels.
  • the two motor-driven wheels oriented in the transverse direction can expediently be driven in opposite directions via the evaluation circuit in accordance with distance signals that can be picked up at the distance sensors or between the difference signals formed between them.
  • the motor-driven wheels can be used for this Purpose can also be driven in the same direction in the transverse direction with different speeds according to the distance signals or the differential signals.
  • a further advantageous embodiment of the invention provides a handling mechanism that can be controlled via the distance signals of the distance sensors, chassis and / or machine-fixed, for inserting or lifting out the warp or goods tree and for controlling the drive wheels.
  • the handling mechanism can have a lifting device fixed to the chassis for a warp or goods tree or a machine-fixed and / or chassis-fixed gripping and coupling device for detecting and releasing the warp and goods tree.
  • the invention can also be used to align transport trolleys in front of knitting machines, Raschel machines or clippers.
  • FIG. 1 shows a diagram of a first exemplary embodiment of a warp beam transport carriage in the positioning position in front of a weaving machine
  • FIG. 2 shows a diagram of a warp beam transport trolley in parallel alignment in front of a weaving machine
  • 3 shows a diagram of a Kettbaum transport carriage in parallel transverse travel in front of a weaving machine
  • FIG. 4 shows a block diagram of a device for parallel alignment of a transport carriage.
  • the warp beam transport carriages 10 shown schematically in the drawing have an elongated chassis 16, which has two steerable and motor-driven wheels 12, and a lifting device 18 for a warp beam 20.
  • two support rollers 24, which are pivotably arranged on cross arms 22 and are designed as steering rollers, are additionally provided, while in the exemplary embodiments according to FIGS. 2 and 3 on the chassis 16 an additional, aligned in the longitudinal direction of travel, In the cross-travel direction folding wheel 26 and two in the cross-travel direction lowerable to the floor (only shown in Fig. 3) support rollers 28 are provided.
  • the wheels 12 are pivoted in the longitudinal or transverse direction of travel via a control drawbar 30 or a steering wheel.
  • the actuation of the drive motors 48 of the drive wheels 12 takes place via actuation members, not shown, which are arranged on the control drawbar 30.
  • the transport carriage 10 is equipped with two distance sensors 40 which are arranged at a distance from one another and are preferably designed as an ultrasound distance measuring device, the scanning beam of which is reflected back to the sensor 40 at an opposite machine-fixed reference surface 42.
  • the output signals of the distance sensors 40 are evaluated in a preferably microprocessor-based evaluation circuit 44 to form differential and path signals and converted into control signals for the drive controls 46 of the drive motors 48 assigned to the wheels 12 (FIG. 4).
  • the parallel alignment with respect to the weaving machine can take place in that the wheels 12 are driven in opposite directions so that the chassis 16 rotates about the pivot point 50 into the parallel position without a longitudinal offset.
  • the impeller 26 is also rotated about the pivot point 50.
  • the transverse travel to the weaving machine can be carried out by driving the wheels 12 in the same direction.
  • the parallel alignment can also take place in the course of transverse travel if the wheels 12 are in accordance with the requirements of the distance signals measured with the distance sensors 40 are driven in the same direction but at different speeds.
  • the distance signals are evaluated in the evaluation circuit 44, if necessary with the support of a microprocessor.
  • the drive energy can be metered by the operator via a control element (not shown) on the control drawbar 30, the distance sensors 40 and the evaluation circuit 44 constantly ensuring the parallel alignment by correspondingly controlling the drive motors 48.
  • a distance coordinate is defined by the distance sensors 40 in the course of the transverse movement, on the basis of which path-dependent manipulations can also be carried out within the transport carriage 10 or on the weaving machine 32.
  • this makes it possible to raise and lower the warp beam depending on the distance. Furthermore, a distance-dependent stopping of the transverse travel movement or an automatic switchover to slow travel is possible. Finally, other movements, such as opening the bearings, uncoupling the drives, and even fully automatic manipulation when inserting and removing the warp beam can be carried out.
  • infrared sensors or laser sensors can also be used for non-contact distance measurement.
  • the invention relates to a method and a device for parallel straightening a position in front of a weaving machine 32.
  • Transportable trolley 10 for warp or goods trees the self-propelled chassis 16 of which has two motor-driven and steerable wheels 12 arranged at a longitudinal distance from one another.
  • the trolley 10 is first positioned in the warp or goods aisle relative to the weaving machine 32 in the longitudinal direction and aligned with its wheels 12 in the transverse direction of travel. Then the transverse distances to two opposite, machine-fixed reflection surfaces 42 are measured in a contactless manner from two chassis sensors fixed in the longitudinal distance from one another and compared with one another to form a difference signal.
  • the difference signal can be optically displayed as a steering or drive instruction for a steering operation and / or can be converted as a control signal into a driving and / or steering movement of the wheels 12 with the trolley 10 parallelized.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)
  • Auxiliary Weaving Apparatuses, Weavers' Tools, And Shuttles (AREA)
  • Knitting Machines (AREA)

Abstract

Un procédé et un dispositif servent à aligner en parallèle un chariot de transport (10) d'ensouples de tissage ou d'enroulement, positionnable devant un métier à tisser (32). Le châssis automobile (16) du chariot de transport (10) comprend deux roues motrices dirigeables (12), mutuellement espacées dans le sens longitudinal et entraînées par un moteur. Afin d'aligner en parallèle le chariot de transport (10), celui-ci est positionné dans la trajectoire d'amenée de l'ensouple de tissage ou d'enroulement par rapport au métier à tisser (32) premièrement dans le sens longitudinal, puis ses roues motrices (12) sont orientées transversalement au sens d'avancement du chariot. L'écartement transversal entre deux capteurs d'écartement (40) longitudinalement espacés et fixés à demeure sur le châssis, d'une part, et deux surfaces de réflexion (42) opposées fixées à demeure sur le métier, d'autre part, est alors mesuré sans contact et un signal de différence est généré par comparaison entre les deux écartements. Ce signal de différence peut être optiquement affiché comme une indication de direction ou d'entraînement et/ou peut être converti en un signal de commande de l'entraînement et/ou de la direction des roues motrices (12) afin d'aligner en parallèle le chariot de transport (10).
EP94909040A 1993-03-03 1994-02-24 Procede et dispositif d"alignement en parallele d'un chariot de transport Expired - Lifetime EP0687316B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4306493A DE4306493A1 (de) 1993-03-03 1993-03-03 Verfahren und Vorrichtung zum Parallelrichten eines Transportwagens
DE4306493 1993-03-03
PCT/EP1994/000527 WO1994020659A2 (fr) 1993-03-03 1994-02-24 Procede et dispositif d'alignement en parallele d'un chariot de transport

Publications (2)

Publication Number Publication Date
EP0687316A1 true EP0687316A1 (fr) 1995-12-20
EP0687316B1 EP0687316B1 (fr) 1997-07-09

Family

ID=6481747

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94909040A Expired - Lifetime EP0687316B1 (fr) 1993-03-03 1994-02-24 Procede et dispositif d"alignement en parallele d'un chariot de transport

Country Status (6)

Country Link
US (1) US5826624A (fr)
EP (1) EP0687316B1 (fr)
JP (1) JPH08507834A (fr)
BR (1) BR9405882A (fr)
DE (2) DE4306493A1 (fr)
WO (1) WO1994020659A2 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000073561A1 (fr) * 1999-05-28 2000-12-07 Lindauer Dornier Gesellschaft Mbh Changement rapide de machines de formation de la foule sur metiers a tisser a ratiere, et dispositif de changement rapide
JP4429465B2 (ja) * 1999-12-07 2010-03-10 パナソニック株式会社 部品供給部一括交換用カート
BE1015479A3 (nl) * 2003-04-23 2005-04-05 Wiele Michel Van De Nv Symmetrische beetmeting.
DE10329224B3 (de) * 2003-06-28 2005-10-13 Wolf Kloss Ausrichtvorrichtung für ein optisches Gerät
DE102007051802B4 (de) * 2007-10-30 2012-12-20 Airbus Operations Gmbh Aufenthaltsmodul mit einer Notausstiegsluke für ein Flugzeug
US8985274B2 (en) * 2012-08-13 2015-03-24 Sam Carbis Asset Management, Llc Flatbed loading system with self-aligning platforms
BE1022813A9 (nl) * 2015-03-12 2016-10-04 Wiele Michel Van De Nv Regeling van de onderlinge positie van de breedtestukken van een weefselgeleidingsinrichting

Family Cites Families (16)

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Publication number Priority date Publication date Assignee Title
JPH0792696B2 (ja) * 1984-01-09 1995-10-09 大福機工株式会社 横行自走台車利用の搬送装置
US4606381A (en) * 1984-02-16 1986-08-19 Tsudakoma Kogyo Kabushiki Kaisha Method and apparatus for automatically exchanging cloth rollers in a loom
JPS61259307A (ja) * 1985-04-10 1986-11-17 Murata Mach Ltd 無人搬送車
DE8527486U1 (de) * 1985-09-26 1986-02-06 Hubtex Maschinenbau GmbH, 6400 Fulda Kettbaumhub- und -transportwagen
DE3717258A1 (de) * 1987-05-22 1988-12-01 Gebald Gregor Vorrichtung zum wechseln des kettbaums und verfahren zum betrieb der vorrichtung
EP0296115B1 (fr) * 1987-06-16 1992-12-09 GebràœDer Sulzer Aktiengesellschaft Dispositif de transport pour le tissage
US4843373A (en) * 1987-12-10 1989-06-27 Rite-Hite Corporation Loading dock signal and control system
DE68919785T2 (de) * 1988-09-22 1995-07-06 Tsudakoma Ind Co Ltd Automatischer Auswechsler von Bäumen für Webmaschinen in einer Weberei.
US5031666A (en) * 1989-02-15 1991-07-16 Sulzer Brothers Limited Cloth beam changer with resilient transmission link on gripping arm
JP2536784B2 (ja) * 1989-05-24 1996-09-18 津田駒工業株式会社 経糸用ビ―ムの受渡し装置
JP2881889B2 (ja) * 1990-01-11 1999-04-12 富士電機株式会社 無人搬送車の移載位置決め装置
SU1724753A1 (ru) * 1990-04-13 1992-04-07 Московский Текстильный Институт Им.А.Н.Косыгина Устройство дл транспортировки и установки наво на текстильную машину
JPH0450346A (ja) * 1990-06-13 1992-02-19 Toyota Autom Loom Works Ltd 織機における製織条件調整設定装置
BE1004499A3 (nl) * 1990-06-19 1992-12-01 Picanol Nv Werkwijze en inrichting voor het vervangen van een doekboom bij weefmachines.
US5265649A (en) * 1991-07-10 1993-11-30 Kabushiki Kaisha Toyoda Jidoshokki Seisakusho Cloth roll exchange apparatus for a loom
DE4128969A1 (de) * 1991-08-31 1993-03-04 Genkinger Hebe Foerdertech Verfahren und vorrichtung zum parallelrichten eines warenbaumwechslers

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9420659A2 *

Also Published As

Publication number Publication date
US5826624A (en) 1998-10-27
DE59403314D1 (de) 1997-08-14
EP0687316B1 (fr) 1997-07-09
DE4306493A1 (de) 1994-09-08
BR9405882A (pt) 1995-12-26
JPH08507834A (ja) 1996-08-20
WO1994020659A3 (fr) 1994-10-13
WO1994020659A2 (fr) 1994-09-15

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