EP1366225B1 - Ensemble d'entrainement pour un metier a tisser et un mecanisme de formation de la foule - Google Patents

Ensemble d'entrainement pour un metier a tisser et un mecanisme de formation de la foule Download PDF

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Publication number
EP1366225B1
EP1366225B1 EP01270643A EP01270643A EP1366225B1 EP 1366225 B1 EP1366225 B1 EP 1366225B1 EP 01270643 A EP01270643 A EP 01270643A EP 01270643 A EP01270643 A EP 01270643A EP 1366225 B1 EP1366225 B1 EP 1366225B1
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EP
European Patent Office
Prior art keywords
drive
drive shaft
arrangement according
shedding machine
partial
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 - Lifetime
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EP01270643A
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German (de)
English (en)
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EP1366225A2 (fr
Inventor
Valentin Krumm
Dietmar Von Zwehl
Michael Lehmann
Dieter Mayer
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Lindauer Dornier GmbH
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Lindauer Dornier GmbH
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Publication date
Application filed by Lindauer Dornier GmbH filed Critical Lindauer Dornier GmbH
Priority to EP04021755A priority Critical patent/EP1486596A3/fr
Publication of EP1366225A2 publication Critical patent/EP1366225A2/fr
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Publication of EP1366225B1 publication Critical patent/EP1366225B1/fr
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    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C3/00—Jacquards
    • D03C3/24—Features common to jacquards of different types
    • D03C3/32—Jacquard driving mechanisms
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C1/00—Dobbies
    • D03C1/14—Features common to dobbies of different types
    • D03C1/146—Independent drive motor
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C13/00—Shedding mechanisms not otherwise provided for
    • D03C13/02—Shedding mechanisms not otherwise provided for with independent drive motors
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D51/00—Driving, starting, or stopping arrangements; Automatic stop motions
    • D03D51/02—General arrangements of driving mechanism

Definitions

  • the invention relates to a drive arrangement for a loom and Shedding machine with means for compensation of speed fluctuations of the Drive of the weaving and shedding machine.
  • a drive which acts via transmission elements on a main drive shaft, which is provided with a switching gear.
  • the shift gear is in a first position both with a gear at least for driving the sley of a loom and with a gear at least for the drive of shedding means in engagement and wherein the shift gear is in a second position with only one of the two gears engaged.
  • a drive for a weaving machine is known, the drive is arranged coaxially to the main drive shaft and connected directly to this.
  • the main drive shaft of the weaving machine is displaceable in a direction by a hydraulic or pneumatic adjustment system in such a way that the drive takes place only on the shed forming device.
  • the main drive shaft through the engine field is so displaced in the other direction that the drive for the batten, possibly for the gripper and the shedding device is effective; ie this position of the main drive shaft is the position for the current weaving operation.
  • a drive arrangement for a weaving machine is already known from EP 0 893 525 A1, which drive arrangement comprises a weaving machine with a drive motor as the main motor or auxiliary motor, a shedding machine with a drive motor as a secondary motor or main motor and a control device.
  • the control device is designed to follow a control strategy in order to operate the auxiliary drive with respect to the main drive with synchronous or leading or lagging angular position.
  • EP 0 893 525 A1 does not disclose how, with such a drive arrangement, fluctuations in the rotational speed of the drive of the shedding and weaving machine, relative to the main shaft of the weaving machine and the drive shaft of the shedding machine, can be largely compensated.
  • a method for driving a weaving machine is also known, according to which the weaving machine main shaft is rotated by means of at least one electromotive drive connected coaxially to the main shaft.
  • the electromotive drive is connected to a power supply and is in operative connection with a control unit.
  • the drive is actuated by the control unit, preferably by sinusoidal control signals generated in the control unit, such that the main shaft is accelerated or decelerated during a corresponding revolution by the variable speed electric motor drive.
  • the electromotive drive is a DC drive, which is operated so that this temporarily works as a DC motor and temporarily as a DC generator. In the case that the drive operates as a DC motor, it is supplied with energy from the power distribution network and in the case that the drive operates as a DC generator, the electrical energy generated by the drive is fed back into the power grid.
  • the object of the invention is, in a drive arrangement, which the separate operation of weaving machine and shedding machine allowed the Drehz inchesschwankungen the Drive from both the weaving and the shedding machine, based on the Drive shaft of each machine to compensate as much as possible and the startup phase of weaving and shedding machine so that the from the supply network removed energy as well as the drive power to be installed as small as possible is held.
  • running operation He designates the operation of a machine or a machine system from completed Ramp up to the initiation of the resettlement. Is the ongoing operation of Web and / or shed machine with tissue, it is Web rehearsal; of the The term “weaving operation” is thus encompassed by the term “running operation”.
  • the drive shaft of the shedding machine is provided with additional acting on this drive shaft flywheels, which are designed in the simplest case as connected to the drive shaft rotationally symmetric body homogeneous density, so that they largely compensate for the speed fluctuations of the drive of the shedding machine, based on the drive shaft, ie greatly reduce the quotient of the maximum and minimum instantaneous moment of inertia.
  • These additional momentum masses acting on the drive shaft cause, according to the angular momentum conservation law, a much lower natural rotational speed oscillation on the drive shaft of the shedding machine.
  • the required acceleration and braking torques for driving the shedding machine can be reduced; Therefore, and due to the aforementioned degrees of freedom in the movement during operation, the behavior of the drive motor of the shedding machine must not be dynamically optimized, but can be designed to optimize consumption. Relieved from the shedding machine, on the other hand, in addition favored by the so lighter construction of corresponding gear stages of the loom - the drive on the main shaft of the weaving machine can now be made smaller. The acceleration torque required in particular for the starting process is reduced.
  • the main drive shaft is provided with additional, to provide them on their momentum masses, which in the simplest case as rotationally symmetric bodies are made of homogeneous density, so that they are the Speed fluctuations of the drive of the loom, based on the Main drive shaft, compensate as much as possible, i. the quotient of maximum and Reduce the minimum instantaneous value of the mass moment of inertia.
  • these additional masses increase the required acceleration torque but the same positive effects on the drive design as the Shedding machine.
  • the breakdown of the additional masses reduces to both Sides of the loom main shaft the occurrence of the torsion of the Main drive shaft caused vibrations and their associated top mentioned disadvantages.
  • a suitable drive for standstill operation of the shedding machine is assigned such that its stator or rotor is positively and preferably coaxially or via transmission to the main drive shaft of the loom, while conversely its rotor or stator form-fitting and preferably coaxial or via transmission with the Drive shaft of the shedding machine is connected. Furthermore, a possibility of stalling or locking the main drive shaft of the loom is given in such a way that the drive shaft of the shedding machine remains free to move.
  • the shedding machine of the drive described above For the first run-up of the shedding machine of the drive described above is energized while the main drive shaft of the loom remains braked. Thus, the force effect between stator and rotor of the drive, ie the torque, the run-up of the shedding machine.
  • the shedding machine is preferably accelerated to a speed above that required for weaving operation speed, since it is withdrawn for the subsequent start of the weaving machine part of their kinetic energy again.
  • the stalling or locking of its main drive shaft is released; at the same time the drive of the shedding machine is energized so that - in the case of three-phase motors - the torque-generating rotating field depending on the engine type either one, starting from the speed of the shedding machine, rapidly decreasing or from the outset to very small values or 0Hz set frequency.
  • the frequency of the rotating field is defined by the speed difference between the stator and the rotor. That is, the rotating field is in the case of synchronization at a frequency 0Hz strives to reduce the speed frequency between the stator and rotor to 0rads -1 or to hold at 0rads -1 .
  • the loom is subjected to a torque which tends to synchronize it in terms of speed on the shedding machine.
  • the weaving machine directly associated drive may be present, which supports the startup of the loom and this is tuned accordingly control technology with the drive of the shedding machine.
  • this drive primarily compensates for the losses (by friction, pre-fabric etc.) of the (web) process by appropriate energy supply, while the drive of the shedding machine primarily acts as a non-contact coupling between loom and shedding machine, ie their position-synchronous operation ensures.
  • the braking process is correspondingly reversed to the starting process.
  • Tissues with strongly changing weave per repeat can cause very different load moments from one cycle to the other depending on the warp thread (one cycle is a full turn of the weaving machine main shaft from reed fence to reed fence).
  • one cycle is a full turn of the weaving machine main shaft from reed fence to reed fence.
  • a speed difference between cycles of different binding is allowed.
  • the weaving machine must - in order to synchronize to the shedding machine in the critical machine angle range - follow this speed fluctuation mutatis mutandis, whereby differences in the kinetic energy of the reed in the critical machine angle range are possible.
  • the shift of the shed to influence the weft stop can be used advantageously also for tissue that require, usually weft thread, changing operating speeds.
  • the shift of the shed can be achieved in that between the stator and rotor of the drive of the shedding machine torque is achieved by appropriate energization that has no synchronizing, ie coupling but a repulsive effect to form a differential speed.
  • the main drive shaft 1.8 of a weaving machine is moved by a drive motor 1, which consists of stator 1.2, rotor 1.3 and the integrated brake 1.1, the latter normally only fulfilling the function of a holding brake for machine downtime.
  • Rotor and main drive shaft are firmly coupled together via the coupling 1.4.
  • the gears 1.6 and 1.9 are also fixedly mounted, which in turn are in engagement with the gears 1.7 and 1.10 respectively.
  • 1.6 and 1.7 as well as 1.9 and 1.10 thus represent the left and the right side of the transmission of a loom.
  • Also firmly mounted on the main drive shaft 1.8 are the additional flywheels 1.5 and 1.11, which serve primarily to compensate for the speed fluctuations of the drive of the loom.
  • FIG. 2 operated the drive shaft 2.8 of a symbolically illustrated shedding machine.
  • This drive motor consists of stator 2.2 and rotor 2.3 as well as the integrated brake 2.1, whereby the latter normally only fulfills the function of a holding brake for the machine standstill.
  • the rotor 2.3 and the drive shaft 2.8 are firmly coupled together via the coupling 2.4.
  • the gear 2.6 is also fixedly mounted, which in turn is in engagement with the gear 2.7. 2.6 and 2.7 thus represent the transmission of the shedding machine.
  • the additional flywheel 2.5 is also firmly mounted on the drive shaft 2.8, which primarily serves to compensate for the speed fluctuations of the drive of the shedding machine.
  • the symbol M means that the brakes 1.1 and 2.1. a shutdown of the respective machine against “mass”, ie with respect to machine frame or soil cause.
  • FIG. 1 and 2 except 1.1, 1.3, 1.4, 1.8 and 2.8 all components of the embodiments are shown in section.
  • Figure 3 shows a flywheel 4.4, which can be coupled or decoupled relative to the shaft 4.1 by means of a non-contact coupling consisting of the parts 4.2 and 4.3.
  • a motor can be controlled or regulated using a suitable actuator (eg inverter) acting between 4.2 and 4.3 torque.
  • a suitable actuator eg inverter
  • the motor 4 consisting of 4.2 and 4.3 is energized in a preferably braked machine (and thus braked shaft 4.1, see holding brake 4.5) so that an acceleration of the flywheel 4.4 to a target speed ⁇ 41 by means of its electrically generated torque. Then the brake 4.5 of the machine is opened and motor 4 energized so that its electrically generated torque seeks to reduce the differential speed between flywheel 4.4 and shaft 4.1 to Orads -1 .
  • flywheel 4.4 and shaft 4.1 rotate synchronously with ⁇ 42 - where without further measures ⁇ 42 ⁇ 41 applies.
  • Motor 4 now works as a non-contact clutch. The shutdown occurs in reverse to the startup. That is, first, motor 4 is energized so that its electrically generated torque seeks a differential speed between 4.4 and 4.1 such that 4.1 is braked by the action of this torque to a standstill. In low-loss machines while reversing the speed of the flywheel is increased again.
  • FIG 4 an arrangement is shown, which first comprises a weaving machine drive 5, consisting of the stator 5.1 and the rotor 5.2, which is connected via the clutch 5.3 fixed to the main drive shaft 5.7 of a loom.
  • the gears are further 5.5 and 5.8 firmly mounted, which in turn are with the gears 5.6 and 5.9 engaged. 5.5 and 5.6 or 5.8 and 5.9 thus represent the left and the right transmission side of the loom.
  • the additional flywheel 5.4 which primarily serves to compensate for the speed fluctuations of the drive of the loom.
  • the main drive shaft via the coupling 5.10 is firmly connected to a shaft 5.11, which in turn carries a function of electrically acting as a rotor or stator of a motor component 5.12 in a fixed connection. Accordingly, the component 5.13 then acts as a stator or rotor, so that 5.12 and 5.13 together result in a motor 5A.
  • This motor is suitable for standstill operation and is operated in conjunction with a corresponding actuator such that the torque and / or the mechanical angular velocity between the stator and rotor can be controlled or regulated.
  • the flywheel 5.14 and a gear 5.15 are fixedly mounted, wherein the gear 5.15 in turn is in mesh with the gear 5.16. 5.15 and 5.16 form a gear stage of the shedding machine; the gear 5.16 is firmly mounted on the drive shaft 5.17 of the shedding machine.
  • a brake 5.18 normally fulfills the function of a holding brake for the shaft 5.11 and thus for 5.7 and 5.2;
  • the brake 5.19 normally fulfills the function of a holding brake for 5.17.
  • the symbol M has the same meaning as in FIG. 1. It should be noted that the components 5.11 and 5.12 can constructively and functionally merge into one component, ie just like the rotor 5.2 via 5.3, the rotor or stator of the motor 5A shown in 5.12 and 5.13 is then directly connected to the main drive shaft via 5.10 5.7 coupled.
  • the motor consisting of 5.12 and 5.13 which is assigned as the drive of the shedding machine, is energized, while the brake 5.19 opens.
  • the motor consisting of 5.12 and 5.13 is energized in such a way that a torque difference of "0rads -1 between the rotor and the stator is aimed at via the torque generated by it
  • the torque-generating rotating field depending on the engine type, either has a rapidly decreasing frequency or is set to very low values or 0 Hz from the speed of the shedding machine Weaving machine runs high, and this startup process - synchronized accordingly - is supported by the motor 5 formed from 5.1 and 5.2.
  • the motor formed from 5.12 and 5.13 strives for a differential angular velocity of 0rads -1 between the rotor and stator and thus strives to act as a non-contact coupling between weaving and shedding machine, takes place parallel to the acceleration of the loom, a speed reduction, ie a delay of shedding machine. So that both machines meet at the desired operating speed ⁇ Betr , the above-mentioned preferably initial acceleration of the shedding machine was carried out to a speed ⁇ FBM > ⁇ Betr .
  • the ratio of acceleration of the loom and delay of the shedding machine is largely determined by the ratio of the mass moments of inertia of the two machines;
  • the startup process and the ratio ⁇ FBM : ⁇ Betr can be influenced within wide limits. Can or should ⁇ FBM be no greater than the subsequent operating speed ⁇ Betr , so from the start of the loom to compensate for the speed reduction of the shedding machine described above the system (Web + shedding machine incl. Drives and additional masses) a corresponding additional energy must be supplied.
  • the control or regulation of the engine is carried out so that has been returned to the coupling operation with reaching the desired new phase.
  • the motor 5, which is formed from 5.1 and 5.2, is to be controlled or regulated accordingly.
  • the braking process is reversed to the starting process.
  • the weaving machine is braked to standstill by appropriate energization of the motors 5,5A formed from 5.1 and 5.2 or 5.12 and 5.13; When the machine reaches standstill, the brake 5.18 engages.
  • the speed of the shedding machine increases again (in a corresponding reversal to the starting procedure described above). From standstill of the weaving machine, the shedding machine, starting from this speed, is then braked down via the motor formed from 5.12 and 5.13.
  • the motors and the actuators associated with them must either convert the energy delivered by the working machines into waste heat via braking resistors or permit regenerative operation, ie regenerative braking, ie preferably feed back into an electrical supply network and / or capacitors and / or other types of energy storage.
  • regenerative braking ie preferably feed back into an electrical supply network and / or capacitors and / or other types of energy storage.
  • FIG. 5 shows an arrangement which differs substantially from that in FIG. 4 in that the motor formed in FIGS. 4 to 5.12 and 5.13 is divided into two motors 6, 6A.
  • the one motor 6, formed from 6.2 and 6.3, is located to the left of the left gear of the loom.
  • This left transmission is hereby represented by the gear wheel 6.8 fixedly mounted on the main drive shaft 6.7 of the weaving machine and the gear wheel 6.9 in turn engaged with this gear wheel.
  • the other motor 6A formed from 6.14 and 6.15, is arranged to the right of the right gear of the loom.
  • This right transmission is hereby represented by the gear 6.10 fixedly mounted on the main drive shaft 6.7 of the weaving machine, as well as the gear 6.11, which is in turn engaged with this gear.
  • the main drive shaft / drive shaft of weaving and / or shedding machine can generally also be used directly as a rotor or stator; the clutches 6.6 and 6.12 would then be omitted, as well as 1.4, 2.4, 5.3 and 5.10 can then be omitted in the preceding figures.
  • the flywheel mass 6.5 is firmly connected with 6.2, the flywheel 6.16 with 6.14.
  • the arrangement according to FIG. 5 is particularly advantageous if the drive of the shed forming machine can take place from two points. In this case, this drive is advantageous from the left and from the right to the drive shaft 6.19.
  • FIG. 6 shows an arrangement which can preferably also be operated in the manner last described for FIG. It consists of the main drive shaft 8.1 of a loom on which the gears 8.2 and 8.4 are firmly mounted, which in turn are in engagement with the gears 8.3 and 8.5. 8.2 and 8.3 or 8.4 and 8.5 thus represent the left or the right side of the transmission of the loom. Furthermore, 8.1 is connected via the clutch 8.6 fixed to the shaft 8.7, which in turn carries two functionally separated from each other to be considered components 8.8 and 8.11 in a fixed connection. Component 8.8 electrically acts as a rotor or stator of an engine. Accordingly, the component 8.9 then acts as a stator or rotor so that 8.8 and 8.9 together form a motor 8B.
  • the component 8.9 in turn is firmly connected to the flywheel 8.10.
  • Component 8.11 also functions electrically as a rotor or stator of an engine. Accordingly, the component 8.12 then acts as a stator or rotor, so that 8.11 and 8.12 together form a motor 8.
  • the component 8.16 which electrically acts as a rotor or stator of an engine. Accordingly, the component 8.17 then acts as a stator or rotor, so that 8.16 and 8.17 together form a motor 8A.
  • the component 8.17 in turn is firmly connected to the flywheel 8.18. Further firmly connected with 8.12 is the gear 8.13, which in turn is in engagement with the gear 8.14.
  • a brake 8.19 normally fulfills the function of a holding brake for the shaft 8.7 and thus for 8.1;
  • the brake 8.20 normally fulfills the function of a holding brake for 8.12 and thus for 8.13 to 8.15.
  • the brake 8.20 can be designed so that it also acts as a holding brake for 8.17 and 8.18.
  • the symbol M has the same meaning as in FIG. 1. It should be noted that on the one hand the components 8.8 8.7 and on the other hand the components 8.11 and 8.7 can constructively and functionally merge together so that the rotor or stator of the motor 8B is coupled via 8.6 directly to the main drive shaft 8.1 and on the other hand directly to the Rotor or stator of the motor 8 is coupled or forms with this even a manufacturing unit. For the starting process of the arrangement according to FIG. 6, there are several possibilities. Thus, in principle, according to the principle explained with reference to FIG.
  • the flywheel 8.10 and / or motor 8A the flywheel 8.18 can be accelerated to a required speed via motor 8B in order subsequently to transfer its kinetic energy to start the loom (in the case of 8.10 ) or to start the shedding machine (in the case of 8.18).
  • the following starting procedure is described: First, a simultaneous run-up of 8.10 (via motor 8B) on the one hand and - with opening of the brake 8.20 - the shedding machine together with flywheel 8.18 (via motor 8) on the other hand, ie motor 8A acts as a non-contact coupling.
  • the direction of rotation of 8.10 is opposite to that of shedding machine and flywheel 8.18.
  • the brake 8.19 is opened and the motor 8B energized so that he is anxious to reduce the difference in rotational speeds between 8.7 and 8.10 to 0rads -1 as explained in Figure 3. In this way, 8.7 and thus the main drive shaft of the loom is accelerated.
  • This ramping of the loom is supported by a simultaneous energization of motor 8 such that its electrically generated torque causes rotation of the components 8.11 and 8.12, and thus of weaving and shedding machine against each other. Ie 8.11 and 8.12 "repel each other".
  • the accelerations effective for weaving machines and for shedding machines are in inverse proportion to their mass moments of inertia (with otherwise lossless and force-free system).
  • the motor 8A acts as a non-contact coupling, then the self-moment of inertia of the shedding machine adds up to that of 8.18. As a result, the so sluggish shedding machine is nachbeuggt only slightly (at operating speed), while at the same time a fast startup of the loom is supported. During operation, the motor 8 compensates the power losses of weaving and shedding machine by an electrically generated torque, which maintains the opposing movements of weaving and shedding machine.
  • the electrically generated torques of the motor 8A and / or 8B can be controlled or regulated accordingly or secondly, one of the motors (8A, 8B) can be de-energized.
  • the ratio of accelerations from weaving to shedding machine
  • the motor (8A and / or 8B) which has been operated differently in the meantime, has returned to clutch operation.
  • motor 8 is energized so that he strives with the torque generated by him a differential speed between 8.11 or the shaft 8.1 of the weaving machine on the one hand and 8.12 on the other hand of Orads -1 , ie 8.11 and 8.12 "attract" each other.
  • the motors 8A and 8B are energized so that they support the braking operation of the weaving machine (motor 8B) or the shedding machine (motor 8A) with their respectively generated torque.
  • the motors 8A and 8B now act exactly like the motor 5A in FIG. 4, when the latter, previously acting as a clutch during operation, stops the loom.
  • speed increase of the shedding machine so increases here - at low-loss machines - when stopping the loom, the speed of 8.10 and when stopping the shedding machine, the speed of 8.18.
  • At standstill of the loom brake falls 8.19, at standstill of the shedding machine brake falls 8.20.
  • After stopping the weaving machine or the shedding machine can 8.10 or 8.18 course expire or slowly shut down via 8A or 8B with correspondingly low recovery power.
  • the motors and the actuators associated with them must either convert the energy delivered by the working machines into waste heat via braking resistors or permit regenerative operation, ie regenerative braking, ie preferably feed back into an electrical supply network and / or capacitors and / or other types of energy storage.
  • regenerative braking ie preferably feed back into an electrical supply network and / or capacitors and / or other types of energy storage.
  • the brake 8.19 is still to be noted that although it is a holding brake, but it must have such a large holding torque that it stops the component 8.7 and all thus positively connected components against during startup and the Wiederstillsetz process of 8.9 and 8.10 and, depending on the mode of operation, from 8.12 to 8.16 or from 8.12 to 8.18 acting acceleration or deceleration moments.
  • the assignment of weaving and shedding machine to the drive system can also be exactly the opposite, ie 8.1 is the drive shaft of the shedding machine, while 8.15 is the main drive shaft of the loom.
  • the components 8.2. to 8.5 would then be correspondingly associated with 8.15, while the gear means of the shedding machine would be associated with 8.1.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)
  • Warping, Beaming, Or Leasing (AREA)

Claims (39)

  1. Dispositif d'entraínement pour un métier mécanique et une mécanique d'armure avec des moyens destinés à compenser des fluctuations de régime de l'entraínement du métier mécanique et de la mécanique d'armure, d'après quoi
    a) le métier mécanique dispose d'un entraínement par moteur électrique relié directement ou en intercalant des moyens d'engrenage à son arbre moteur principal, d'après quoi
    b) la mécanique d'armure dispose d'un entraínement par moteur électrique relié directement ou en intercalant des moyens d'engrenage à son arbre moteur, d'après quoi
    c) au moins le métier mécanique dispose de moyens destinés au freinage de l'arbre moteur principal, d'après quoi
    d) un dispositif de commande est relié à l'entraínement du métier mécanique et à l'entraínement de la mécanique d'armure de manière à transmettre des signaux, d'après quoi
    e) le dispositif de commande dispose de moyens de réglage en vue d'actionner au choix le premier entraínement ci-dessus à chaque fois en fonction de l'autre entraínement ci-dessus à chaque fois, caractérisé en ce que les moyens de compensation se composent d'au moins une masse centrifuge partielle (1.5, 1.11 ; 5.4, 5.14 ; 6.5, 6.16 ; 8.10, 8.18) entrant en action sur l'arbre moteur principal (1.8 ; 5.7 ; 6.7 ; 8.1) du métier mécanique et d'au moins une masse centrifuge partielle (2.5 ; 5.14 ; 6.5 ; 6.16 ; 8.10, 8.18) entrant en action sur l'arbre moteur (2.8 ; 5.17 ; 6.19 ; 8.15) de la mécanique d'armure ou en ce que des moyens d'engrenage sont prévus qui font entrer en action le moment d'inertie d'au moins une masse centrifuge de l'arbre moteur principal du métier mécanique co-rotative avec un entraínement par moteur électrique (5, 5A ; 6, 6A ; 8, 8A ;8B) sur l'arbre moteur (5.17 ; 6.19 ; 8.15) de la mécanique d'armure,
    en ce que l'entraínement du métier mécanique se compose de plusieurs entraínements partiels par moteur électrique (5A ; 6, 6A ; 8, 8A, 8B) agissant sur l'arbre moteur principal (5.7 ; 6.7 ; 8.1),
    en ce que l'entraínement de la mécanique d'armure est au moins un des entraínements partiels par moteur électrique (5A ; 6, 6A ; 8, 8A, 8B) agissant sur l'arbre moteur principal (5.7 ; 6.7 ; 8.1) qui est pour le moins en liaison active avec l'arbre moteur de la mécanique d'armure via les moyens d'engrenage, ainsi que dans le cas de (8B), via l'entraínement (8) agissant sous forme d'accouplement sans contact,
    en ce que les moyens destinés au freinage sont de préférence des premiers moyens de freinage intégrés dans les entraínements partiels qui arrêtent le métier mécanique et la mécanique d'armure,
    en ce que des deuxièmes moyens de freinage (1.1 ; 4.5 ; 5.18 ; 6.18 ; 8.19) sont en outre affectés à l'arbre moteur principal du métier mécanique, et
    en ce que des troisièmes moyens de freinage (2.1 ; 5.19 ; 6.22 ; 8.20) sont affectés à l'arbre moteur de la mécanique d'armure, et
    en ce que tous les entraínements partiels par moteur électrique (1 ; 2, 5, 5A ; 6, 6A ; 8, 8A, 8B) sont reliés au dispositif de réglage de manière à transmettre des signaux.
  2. Dispositif d'entraínement selon la revendication 1, caractérisé en ce que la masse centrifuge partielle (1.5 ; 1.11) est disposée à chaque fois côté extrémité de l'arbre moteur principal (1.8) du métier mécanique et la masse centrifuge partielle (2.5) est disposée côté extrémité de l'entraínement partiel (2) affecté à l'arbre moteur (2.8) de la mécanique d'armure.
  3. Dispositif d'entraínement selon la revendication 1, caractérisé en ce que les masses centrifuges partielles (1.5 ; 1.11 ; 5.4, 5.14 ; 6.5, 6.16) agissent sur l'arbre moteur principal (1.8 ; 5.7 ; 6.7) sous forme de corps à symétrie de révolution de densité homogène et à répartition de masse uniforme.
  4. Dispositif d'entraínement selon la revendication 1, caractérisé en ce que les masses centrifuges partielles (8.10 ; 8.18) agissent sur l'arbre moteur principal (8.1) sous forme de corps à symétrie de révolution de densité homogène et à répartition de masse inégale.
  5. Dispositif d'entraínement selon la revendication 1, caractérisé en ce que le moment d'inertie d'au moins une des masses centrifuges partielles (5.14 ; 6.5 ; 6.16 ; 8.10 ; 8.18) affectées de manière co-rotative à l'arbre moteur principal (5.7 ; 6.7 ; 8.1) est transmissible à l'arbre moteur (5.17 ; 6.19 ; 8.15) de la mécanique d'armure via les moyens d'engrenage (5.15, 5.16 ; 6.4, 6.20 ; 6.17, 6.21 ; 8.13, 8.14).
  6. Dispositif d'entraínement selon la revendication 5, caractérisé en ce que les moyens d'engrenage se composent d'une roue dentée (5.15 ; 6.4 ; 6.17 ; 8.13) reliée à un premier composant rotatif (5.13 ; 6.2 ; 6.14 ; 8.11) de l'entraínement partiel par moteur électrique (5A, 6, 6A, 8) et d'une roue dentée (5.16 ; 6.20 ; 6.21 ; 8.14) reliée de manière fixe en rotation à l'arbre moteur (5.17 ; 6.19 ; 8.15) de la mécanique d'armure, les deux roues dentées (5.15, 5.16 ; 6.4, 6.20 ; 6.17, 6.21 ; 8.13, 8.14) étant en prise en permanence.
  7. Dispositif d'entraínement selon la revendication 5, caractérisé en ce que les moyens d'engrenage disposent d'une transmission à changement progressif ou par paliers.
  8. Dispositif d'entraínement selon la revendication 1, caractérisé en ce que le deuxième et le troisième freins (1.1 ; 2.1 ; 5.18 ; 5.19 ; 6.18 ; 6.22 ; 8.19 ; 8.20) affectés respectivement à l'arbre moteur principal (1.8 ; 5.7 ; 6.7 ; 8.1) du métier mécanique et à l'arbre moteur (2.8 ; 5.17 ; 6.19 ; 8.15) de la mécanique d'armure sont un frein de retenue agencé de manière fixe à la machine.
  9. Dispositif d'entraínement selon la revendication 1, caractérisé en ce que les premiers moyens de freinage sont eux-mêmes les entraínements partiels par moteur électrique qui ont un fonctionnement générateur lors du processus de freinage.
  10. Dispositif d'entraínement selon la revendication 1, caractérisé en ce que les masses centrifuges partielles entrant en action peuvent être découplées des arbres au moins en cas de freinage.
  11. Dispositif d'entraínement selon la revendication 1, caractérisé en ce que les entraínements partiels réalisent à tout moment des mouvements relatifs contrôlables et réglables de manière précise et des couples de rotation contrôlables et réglables de manière précise entre la masse centrifuge respective et l'arbre associé.
  12. Dispositif d'entraínement selon la revendication 1, caractérisé en ce que les masses centrifuges co-rotatives disposent de moyens destinés à la modification de taille et/ou d'évolution de son moment d'inertie.
  13. Dispositif d'entraínement selon la revendication 1, caractérisé en ce que l'entrée en action d'au moins une des masses centrifuges co-rotatives sur l'arbre moteur principal du métier mécanique s'effectue en intercalant des moyens d'engrenage.
  14. Dispositif d'entraínement selon la revendication 13, caractérisé en ce que les moyens d'engrenage forment au moins un différentiel.
  15. Dispositif d'entraínement selon la revendication 14, caractérisé en ce que le différentiel comporte une fonction de transmission, laquelle provoque l'accouplement entre l'arbre moteur principal du métier mécanique et la masse centrifuge, la fonction de transmission impliquant ponctuellement et/ou par intervalles le déblocage de l'accouplement entre l'arbre moteur principal et la masse centrifuge en cas d'évolution périodique au cours de cette évolution.
  16. Dispositif d'entraínement selon la revendication 1, caractérisé en ce que l'affectation d'au moins une des masses centrifuges co-rotatives à l'arbre moteur de la mécanique d'armure s'effectue en intercalant des moyens d'engrenage.
  17. Dispositif d'entraínement selon la revendication 16, caractérisé en ce que les moyens d'engrenage forment au moins un différentiel.
  18. Dispositif d'entraínement selon la revendication 17, caractérisé en ce que le différentiel comporte une fonction de transmission, laquelle provoque l'accouplement entre l'arbre moteur de la mécanique d'armure et la masse centrifuge, la fonction de transmission impliquant ponctuellement et/ou par intervalles le déblocage de l'accouplement entre l'arbre moteur principal et la masse centrifuge en cas d'évolution périodique au cours de cette évolution.
  19. Dispositif d'entraínement selon l'une quelconque des revendications 14 ou 17, caractérisé en ce que grâce au différentiel au nombre minimum d'un, la(les) masse(s) centrifuge(s) co-rotative(s) compense(nt) intégralement les fluctuations de régime de l'entraínement en ce qui concerne l'arbre moteur principal du métier mécanique ou en ce qui concerne l'arbre moteur de la mécanique d'armure.
  20. Dispositif d'entraínement selon la revendication 12, caractérisé en ce que les moyens sont reliés au dispositif de commande de manière à transmettre des signaux, les moyens étant actionnés de préférence à l'intérieur de circuits de réglage.
  21. Dispositif d'entraínement selon la revendication 1, caractérisé en ce que l'arbre moteur principal du métier mécanique est le rotor ou le stator de l'entraínement partiel au nombre minimum d'un.
  22. Dispositif d'entraínement selon la revendication 1, caractérisé en ce que l'arbre moteur de la mécanique d'armure est le rotor ou le stator de l'entraínement partiel (5A).
  23. Dispositif d'entraínement selon la revendication 1, caractérisé en ce que les entraínements partiels comprennent deux composants tournant en sens opposé (5.12, 5.13 ; 6.2, 6.3 ; 6.14, 6.15 ; 8.8, 8.9 ; 8.11, 8.12 ; 8.16, 8.17), dont le premier composant (5.13 ; 6.2 ; 6.14 ; 8.12) est relié directement ou en intercalant des moyens d'engrenage (5.15, 5.16 ; 6.4, 6.20 ; 6.17, 6.21 ; 8.13, 8.14) à l'arbre moteur (5.17 ; 6.19 ; 8.15) de la mécanique d'armure et l'autre composant (5.12 ; 6.3 ; 6.15 ; 8.8 ; 8.11) est relié directement ou en intercalant des moyens d'accouplement (5.10 ; 6.6 ; 6.12 ; 8.6) à l'arbre moteur principal (5.7 ; 6.7 ; 8.1) du métier mécanique, le premier composant étant alternativement le stator et l'autre composant respectif étant alternativement le rotor d'un entraínement par moteur électrique (5A ; 6, 6A ; 8, 8A ;8B).
  24. Dispositif d'entraínement selon la revendication 23, caractérisé en ce que l'entraínement formé par les deux composants tournant en sens opposé remplit la fonction d'un moteur d'arrêt entre l'arbre moteur principal du métier mécanique et l'arbre moteur de la mécanique d'armure.
  25. Dispositif d'entraínement selon la revendication 23, caractérisé en ce que l'entraínement formé par les deux composants tournant en sens opposé remplit la fonction d'un accouplement sans contact, de préférence synchrone entre l'arbre moteur principal du métier mécanique et l'arbre moteur de la mécanique d'armure.
  26. Dispositif d'entraínement selon la revendication 23, caractérisé en ce que l'entraínement formé par les deux composants tournant en sens opposé est approprié aussi bien au fonctionnement moteur qu'au fonctionnement générateur.
  27. Dispositif d'entraínement selon la revendication 23, caractérisé en ce que l'entraínement formé par les deux composants tournant en sens opposé admet en marche un décalage de la position de phase entre l'arbre moteur principal du métier mécanique et l'arbre moteur de la mécanique d'armure.
  28. Dispositif d'entraínement selon la revendication 26, caractérisé en ce que l'entraínement peut disposer d'un actionnement générateur en cas de fonctionnement du frein du métier mécanique et de la mécanique d'armure.
  29. Dispositif d'entraínement selon la revendication 23, caractérisé en ce que les deux composants tournant en sens opposé forment au moins un entraínement partiel par moteur électrique (5A ; 6, 6A) disposé au niveau d'une première extrémité libre de l'arbre moteur principal (5.7 ; 6.7) du métier mécanique.
  30. Dispositif d'entraínement selon la revendication 29, caractérisé en ce qu'en outre, un autre entraínement partiel par moteur électrique (5) peut être accouplé à une seconde extrémité libre de l'arbre moteur principal (5.7 ; 6.7) du métier mécanique.
  31. Dispositif d'entraínement selon la revendication 30, caractérisé en ce que l'autre entraínement partiel (5) comporte un stator (5.1) et un rotor (5.2), le rotor (5.2) étant relié à l'arbre moteur principal (5.7 ; 6.7) via des moyens d'accouplement (5.3).
  32. Dispositif d'entraínement selon la revendication 29, caractérisé en ce que l'arbre moteur (5.17) de la mécanique d'armure est en liaison active avec l'entraínement partiel (5A) du métier mécanique via les moyens d'engrenage (5.15 ; 5.16).
  33. Dispositif d'entraínement selon la revendication 29, caractérisé en ce que l'arbre moteur (6.19) de la mécanique d'armure est en liaison active avec l'entraínement partiel (6) du métier mécanique via les moyens d'engrenage (6.4 ; 6.20).
  34. Dispositif d'entraínement selon la revendication 29, caractérisé en ce que l'arbre moteur (6.19) de la mécanique d'armure est en liaison active avec les entraínements partiels (6, 6A) du métier mécanique via les moyens d'engrenage (6.4 ; 6.20 ; 6.17 ; 6.21).
  35. Dispositif d'entraínement selon la revendication 23, caractérisé en ce qu'au moins deux premiers et deux seconds composants tournant en sens opposé forment plusieurs entraínements partiels par moteur électrique (8, 8A, 8B) disposés à une extrémité libre de l'arbre moteur principal (8.1) du métier mécanique.
  36. Dispositif d'entraínement selon la revendication 35, caractérisé en ce que l'entraínement partiel (8) se compose d'un composant (8.11) relié de manière fixe à l'arbre (8.7) et d'un composant (8.12), en ce que l'entraínement partiel (8A) se compose d'un composant (8.17) relié de manière fixe au composant (8.12) de l'entraínement partiel (8) et en ce que l'entraínement partiel (8B) se compose d'un autre composant (8.8) relié de manière fixe à l'arbre (8.7) et d'un composant (8.9) portant une seconde masse centrifuge (8.10).
  37. Dispositif d'entraínement selon la revendication 35, caractérisé en ce que l'entraínement partiel (8) est en liaison active avec l'arbre moteur (8.15) de la mécanique d'armure via les moyens d'engrenage (8.13, 8.14).
  38. Dispositif d'entraínement selon la revendication 35, caractérisé en ce que les composants (8.8, 8.9 ; 8.11, 8.12 ; 8.16, 8.17) font alternativement fonction de stator ou de rotor des entraínements partiels (8, 8A, 8B).
  39. Dispositif d'entraínement selon la revendication 23, caractérisé en ce que l'arbre moteur principal du métier mécanique est le rotor ou le stator de l'entraínement partiel au nombre minimum d'un.
EP01270643A 2000-12-12 2001-11-22 Ensemble d'entrainement pour un metier a tisser et un mecanisme de formation de la foule Expired - Lifetime EP1366225B1 (fr)

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DE10061717A DE10061717B4 (de) 2000-12-12 2000-12-12 Antriebsanordnung für eine Webmaschine und Fachbildemaschine
PCT/DE2001/004412 WO2002048438A2 (fr) 2000-12-12 2001-11-22 Ensemble d'entrainement pour un metier a tisser et un mecanisme de formation de la foule

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AT (1) ATE299539T1 (fr)
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DE10061717A1 (de) 2002-06-20
RU2250276C2 (ru) 2005-04-20
RU2003121235A (ru) 2005-01-10
EP1366225A2 (fr) 2003-12-03
JP2004514804A (ja) 2004-05-20
DE50106742D1 (de) 2005-08-18
DE10061717B4 (de) 2006-01-26
WO2002048438A3 (fr) 2003-09-25
CN1908269A (zh) 2007-02-07
EP1486596A2 (fr) 2004-12-15
CN1489652A (zh) 2004-04-14
EP1486596A3 (fr) 2005-05-18
US6962171B2 (en) 2005-11-08
JP3983670B2 (ja) 2007-09-26
CZ20031924A3 (cs) 2004-02-18
US20040025956A1 (en) 2004-02-12
ATE299539T1 (de) 2005-07-15
WO2002048438A2 (fr) 2002-06-20

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