EP1955945B1 - Schiff mit einem elektrischem Motor - Google Patents

Schiff mit einem elektrischem Motor Download PDF

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Publication number
EP1955945B1
EP1955945B1 EP08100703A EP08100703A EP1955945B1 EP 1955945 B1 EP1955945 B1 EP 1955945B1 EP 08100703 A EP08100703 A EP 08100703A EP 08100703 A EP08100703 A EP 08100703A EP 1955945 B1 EP1955945 B1 EP 1955945B1
Authority
EP
European Patent Office
Prior art keywords
thrust bearing
motor
stator
hull
rotor
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.)
Ceased
Application number
EP08100703A
Other languages
English (en)
French (fr)
Other versions
EP1955945A1 (de
Inventor
Christophe Galmiche
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.)
Converteam Motors SA
Original Assignee
Converteam Motors SA
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 Converteam Motors SA filed Critical Converteam Motors SA
Publication of EP1955945A1 publication Critical patent/EP1955945A1/de
Application granted granted Critical
Publication of EP1955945B1 publication Critical patent/EP1955945B1/de
Ceased legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H23/00—Transmitting power from propulsion power plant to propulsive elements
    • B63H23/32—Other parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H21/00—Use of propulsion power plant or units on vessels
    • B63H21/12—Use of propulsion power plant or units on vessels the vessels being motor-driven
    • B63H21/17—Use of propulsion power plant or units on vessels the vessels being motor-driven by electric motor

Definitions

  • the shaft line is equipped with a thrust bearing.
  • the latter comprises a rotor connected to the shaft line and a stator rigidly connected to the hull of the ship, the rotor being in axial abutment against the stator by means of sliding elements with a low coefficient of friction.
  • the thrust bearing constitutes an essential element of the propulsion. It is bonded to the hull of the ship, for example by bolting or welding a stator base to the hull.
  • the same shaft line is driven by the electric propulsion motor.
  • the stator of the engine is also linked to the hull of the ship by bolting for the recovery of efforts resulting from the rotation of the engine.
  • the object of the invention is to propose a ship whose space available in the hull is increased, while having a propulsion motor and a thrust bearing.
  • the ship of the figure 1 is a surface vessel comprising a hull 12 having a bottom or carling 14 and a rear end 16.
  • the vessel 10 is a submarine.
  • a mobile saffron 18 is disposed at the rear of the hull.
  • a shaft line 20 extends inside the shell, along the bottom 14. It extends outside the hull in front of the rudder 18 by a propellant propeller 22.
  • the shaft line 20 is carried by support bearings 24 arranged regularly along its length and secured to the bottom 14.
  • the shaft line 20 is connected to an electric propulsion motor 26 and a thrust bearing 28, both secured simultaneously in rotation and axially at the bottom 14 of the hull 12.
  • the electric motor 26 and the thrust bearing 28 are arranged in the beating of the ship, that is to say in the main part of the body of the ship and not in an outgrowth mobile disposed behind or below the hull as a propulsive nacelle commonly referred to as POD.
  • the electric propulsion motor 26 has a rotor 30 secured to the rest of the shaft line 20, for example by a flange 32.
  • the rotor 30 is rotatably mounted relative to a stator 34 constituting the fixed carcass of the engine.
  • the rotor 30 and the stator 34 comprise windings 30A, 34A capable of creating rotating fields and causing rotation of the rotor.
  • the thrust bearing 28 comprises a rotor 40 consisting of a ring forming a stop collar rigidly connected axially to the shaft line 20 and rotatable therewith. It comprises a stator 42 forming a housing including the rotor 40.
  • the rotors 30 and 40 of the electric motor 26 and the thrust bearing 28 respectively have a shaft 43 of common rotation constituted by the shaft of the electric propulsion motor.
  • the rotors are thus monobloc and formed in the same metal block without flange or any other means of connection between the motor and the thrust bearing.
  • the rotor 40 is attached to the shaft 43 by hooping, thus also forming a common rotating shaft.
  • the stator 42 comprises two parallel flanks 44A, 44B crossed by the shaft 43 and between which the rotor 40 is rotatably mounted.
  • the two flanks 44A, 44B are connected to each other rigidly by a base 45.
  • flanks 44A, 44B On their facing faces, the flanks 44A, 44B have sliding bearing pads 46 formed of steel rollers for example in portions of ring or cylindrical distributed around the axis of the shaft 43.
  • Each roller is covered on its face opposite the rotor 40 of a layer of antifriction material such as PTFE or lead or tin antifriction metal forming a sliding layer.
  • the stator 34 of the electric propulsion motor and the stator 42 of the thrust bearing are carried and rigidly connected by a same frame 50 of connection to the hull.
  • This chassis forms a common rigid connection structure of the stators 34 and 42.
  • the stator 34 of the electric motor has at its periphery a flange 52 connecting the frame 50.
  • the connection being provided by screwing or bolting the flange on the chassis with the aid of connecting elements 54.
  • the base 45 of the thrust bearing has a connecting flange 56 which is for example screwed or bolted to the chassis 50 by connecting elements 58.
  • Radial guide bearings are arranged on the shaft line on either side of the electric propulsion motor 26. These bearings are generally formed by plain bearing bearings, but may also be for example ball bearings or bearings. rolls.
  • a first radial bearing 60 is for example disposed between the flange 32 and the rotor of the electric motor. This bearing is generally supported directly by the frame 50.
  • a second and only radial bearing 62 is disposed between the rotor 30 of the electric motor and the rotor 40 of the thrust bearing.
  • This bearing 62 provides a common radial guide for the rotors 30 and 40. It is preferably interposed between one of the flanks 44B of the thrust bearing and the shaft 43. In a variant, it is arranged between one of the flanks 44A and the end of the shaft 43, or it is carried directly by the frame 50 being interposed between the stator 34 of the electric motor and the thrust bearing 28 when it does not have a radial bearing.
  • the thrust bearing is also disposed between the flange 32 and the rotor of the electric motor.
  • the bottom or carlinguage 14 of the ship has axial stops 66 constituted for example of wedges welded to the belly between which is based the frame 50 of the electric motor along its opposite axial ends.
  • wedges 68 of opposite shapes are interposed between the frame 50 and the stops 66 to provide an axial safety support, the propeller thrust 22 being transmitted from the thrust bearing 28 integrated to the electric propulsion motor 26 to the frame 50 of the electric motor, and chassis 50 of the electric motor to the carling 14.
  • the frame 50 rests on resin blocks 70 interposed between the carling 14 of the ship and the frame 50.
  • the thrust bearing 28 is disposed, relative to the electric propulsion motor 26, opposite the propeller 22.
  • the shaft 43 in its section noted 43A through the electric motor 26, has a section greater than that of its section 43B passing through the thrust bearing 28, as shown in FIG. figure 2 .
  • the thrust bearing opposite the propeller no torque has to be transmitted from the rotor 30 to the thrust bearing, while a torque must be transmitted from the rotor 30 to the thrust bearing. 'propeller.
  • the electric propulsion motor 26 with the frame 50 having a weight and a laying surface much greater than the weight and the bearing surface of the bearing-abutment 28, the motor assembly 26 and bearing-abutment 28 integrated can be maintained on the shell by the resin blocks 70 thus facilitating the attachment of the thrust bearing while it must be normally secured by screwing or welding to the hull when it is independent of the engine.
  • the pads 46 of the abutment bearing 28 made of PTFE or equivalent allow, by the same insulating nature of this PTFE material, an electrical insulation of the thrust bearing 28 while allowing a solid mechanical fastening of uninsulated steel of the casing 45, the thrust bearing 28 the motor, the electrical insulation of the thrust bearing being achieved by the PTFE pads or equivalent.
  • This arrangement of the thrust bearing incorporated in the electric propulsion motor where the engine torque is not exercised makes it possible to reduce the diameter of the shaft section 43B to be compared with the shaft section 43A which must transmit the torque. engine, this to offer opportunities for downsizing and the cost of propeller shaft thrust bearing when integrated into the electric propulsion motor.
  • FIG. 3 On the figure 3 is shown an alternative embodiment of a module incorporating the electric propulsion motor and the thrust bearing.
  • the thrust bearing is noted 128 and the rotor of the motor 130.
  • the carcass noted 134 of the engine comprises a frame 136 constituting a support cradle for the rotor of the motor and for the entire thrust bearing.
  • This frame comprises a lower plate 137 and two end walls 138.
  • the wall 138 visible on the figure 3 defines a notch 140 for the passage of the rotor 130 when it is necessary for maintenance reasons to disassemble and move the rotor out of the electric motor.
  • the thrust bearing 128 constitutes a casing connected to the casing 134 of the motor and more specifically to the frame 136 at the level of an end wall 138.
  • the thrust bearing 128 comprises a stator 152 connected to the motor chassis by an intermediate support 154.
  • the rotor of the thrust bearing is not shown but is arranged with respect to the stator as on the figure 2 .
  • the support 154 has a generally U-shaped shape delimiting two struts 155 between which is fixed the stop-stop.
  • the support 154 comprises flanges 156 connecting to the frame 136 by bolts or screws 158.
  • the shape and the structure of the support 154 are adapted to avoid undesirable vibratory problems, among other things by adjusting the stiffness of support 154 especially in the axial direction where the propeller thrust is exerted.
  • the support 154 has connecting flanges of the stator 152 of the abutment bearing by means of bolts or screws 160.
  • the bolts 160 for connecting the stator 152 of the thrust bearing to the support are arranged at the end. end of the legs in the same plane containing the axis of rotation of the rotor of the thrust bearing, as shown in FIG. figure 3 .
  • this removable and removable support 154 is to facilitate the passage of the rotor 130 in the event of maintenance, but also to easily allow to change the support 154 by another modified support since dismountable if vibration problems occur during operation of the ship. Change a removable support 154 is faster and less expensive than modifying the structure of the ship's body which supports the thrust bearing when it is not integrated with the electric propulsion motor.
  • the support 154 is removed and it is integral with the stator 152 of the thrust bearing.
  • the stator 152 of the thrust bearing has a section greater than that of the rotor 130 of the electric propulsion motor and, more specifically, the stator 152 of the thrust bearing has a shape complementary to the notch 140, which allows the passage of the rotor during disassembly operation for maintenance.
  • the chassis of the engine has struts 175 integrally provided to provide bearing-stop support for the connection of the stator-bearing abutment at the top of these legs in a horizontal plane preferably containing the axis of the abutment-abutment .
  • the struts 175 are also optimized to avoid any undesirable vibration problems.
  • the support legs 175 interposed between the stop-stop of the figure 4 and the motor chassis are removable allowing their easy replacement in case of unsuitability due to undesirable vibration problems in operation.
  • Changing the dismantable support legs 175 is faster and less expensive than changing the structure of the ship's bellyboat that supports the thrust bearing when it is not integrated with the electric propulsion motor.
  • the chassis 136 of the electric propulsion motor is connected to the hull of the ship by any appropriate means and forms the common structure of connection of the stators of the engine and the thrust bearing.
  • the struts 155, 175 are dimensioned to avoid the harmful vibration phenomena in operation of the ship.
  • the stiffness of these struts is defined to avoid any resonance of the propulsive shaft line especially in the longitudinal direction.
  • the stiffness of the attachment of the stop-stop can be for example defined by adjustment of the thicknesses of the sheets constituting the chassis (strut) but also by adjustment of the height of the stator attachment to the stop-stop (height of the leg of strength).
  • the struts are removable. These can be easily replaced in case the vibratory behavior of the shaft line is unsatisfactory, which is faster and less expensive than changing the cockling of the ship that supports the thrust bearing when it is not integrated with the electric propulsion motor.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Motor Or Generator Frames (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Claims (11)

  1. Wasserfahrzeug (10) mit:
    - einem Rumpf (12),
    - einem Wellenstrang (20), der sich in einer Schraube (22) fortsetzt,
    - einem elektrischen Antriebsmotor (26), der im Rumpf (12) an einer Längsversteifung (14) angeordnet ist und den Wellenstrang (20) antreiben kann, wobei der Motor einen Ständer (34), der fest mit dem Rumpf (12) verbunden ist, und einen Anker (30) umfasst, der mit dem Wellenstrang (20) in Eingriff ist,
    - einem Drucklager (28), das einen Ständer (42; 152), der fest mit dem Rumpf (12) verbunden ist, und einen Anker (40) umfasst, der am Weilenstrang (20) angeordnet ist, um eine Übertragung der Axialbeanspruchung der Schraube (22) und des Wellenstrangs (20) auf den Rumpf (12) sicherzustellen, dadurch gekennzeichnet, dass es umfasst:
    - eine gemeinsame Struktur (50; 136) des elektrischen Antriebsmotors (26) zur starren Verbindung der Ständer (34; 42; 152) des Motors (26) und des Drucklagers (28),
    - Einrichtungen (66, 68, 70) zur mechanischen Verbindung der gemeinsamen Verbindungsstruktur (50) mit dem Rumpf (12).
  2. Wasserfahrzeug nach Anspruch 1, dadurch gekennzeichnet, dass die Struktur ein Rahmen (50) ist, an dem die Ständer (34, 42; 152) des Motors (26) und des Drucklagers (28) entlang der Achse des Wellenstrangs (20) befestigt sind.
  3. Wasserfahrzeug nach Anspruch 1, dadurch gekennzeichnet, dass der Ständer (34) des Motors (26) ein Außengestell (134) umfasst, das zwei Endwände (138) aufweist, die entlang der Achse des Wellenstrangs (20) entgegengesetzt sind, und dass der Ständer (152) des Drucklagers entlang einer Endwand (138) am Gestell (134) befestigt ist, wobei das Gestell (136) die gemeinsame Verbindungsstruktur mit den beiden Ständern (34, 42) bildet.
  4. Wasserfahrzeug nach Anspruch 3, dadurch gekennzeichnet, dass der Ständer (42) des Drucklagers ein fest mit dem Gestell des Motors verbundenes, zumindest teilweise in einer entlang der Achse des Wellenstrangs vorgesehenen Ausnehmung (140) befindliches, abnehmbares Gehäuse darstellt, und dass die Ausnehmung (140) einen Querschnitt hat, der größer ist als derjenige des Ankers des Motors.
  5. Wasserfahrzeug nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Motor (26) am Wellenstrang (20) zwischen der Schraube (22) und dem Drucklager (28) angeordnet ist, und dass der Durchmesser der Drehwelle (43) des Motors (26) und des Drucklagers (28) auf der Seite des Drucklagers (28) in Bezug auf den Motor (26) kleiner ist als derjenige der Weile (43) auf der Seite der Schraube (22).
  6. Wasserfahrzeug nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Ständer (42) des Drucklagers (28) durch Befestigungsmittel (160) mit dem Ständer (34) des Motors (26) verbunden ist, die auf beiden Seiten der Achse des Wellenstrangs (20), im Wesentlichen in derselben Ebene angeordnet sind, die die Achse der Welle (43) der Anker (30, 40) enthält.
  7. Wasserfahrzeug nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Verbindungsstruktur (50) durch mindestens einen zwischen der Verbindungsstruktur (50) und dem Rumpf (12) eingesetzten Harzkeil (70) mit dem Rumpf (12) verbunden ist, und dass ein axialer Auflageanschlag (66) für die Verbindungsstruktur am Rumpf (12) vorgesehen ist.
  8. Wasserfahrzeug nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass es ein einziges radiales Führungslager (62) für den Wellenstrang (20) zwischen dem Anker (30) des Motors und dem Anker (40) des Drucklagers umfasst.
  9. Wasserfahrzeug nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Drucklager (28) Druckstücke (46) umfasst, die den Anker (40) des Drucklagers des Ständers (42) elektrisch vom Drucklager isolieren, und die Verbindungseinrichtungen (56, 58) des Drucklagers (28) mit der gemeinsamen Struktur (50; 136) kein elektrisches Isolationsmaterial aufweisen.
  10. Wasserfahrzeug nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Anker (30, 40) des Motors (26) und des Drucklagers (28) eine gemeinsame Weile (43) umfassen, die keinen Zwischenverbindungsflansch aufweist, der zwischen den beiden Ankern (30, 40) angeordnet ist.
  11. Wasserfahrzeug nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Ständer (42) des Motors ein Gerüst (136) und abnehmbare Schubabstützungen (155, 175) umfasst, die zwischen dem Gerüst (136) des Motors und dem Ständer (152) des Drucklagers (128) angeordnet sind, um das Drucklager (128) abzustützen.
EP08100703A 2007-01-23 2008-01-21 Schiff mit einem elektrischem Motor Ceased EP1955945B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0700460A FR2911577B1 (fr) 2007-01-23 2007-01-23 Navire a moteur electrique.

Publications (2)

Publication Number Publication Date
EP1955945A1 EP1955945A1 (de) 2008-08-13
EP1955945B1 true EP1955945B1 (de) 2012-02-01

Family

ID=38472995

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08100703A Ceased EP1955945B1 (de) 2007-01-23 2008-01-21 Schiff mit einem elektrischem Motor

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EP (1) EP1955945B1 (de)
KR (1) KR101442251B1 (de)
FR (1) FR2911577B1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106194914B (zh) * 2016-08-10 2018-08-31 台州市黄岩裕盛聚酯模具厂 一种固定设备且防超程的紧固组件
CN106194917A (zh) * 2016-08-10 2016-12-07 周海梅 一种固定设备且速度可调的紧固组件
CN106089871A (zh) * 2016-08-10 2016-11-09 周海梅 一种用于固定设备的新型紧固装置
CN106246654B (zh) * 2016-08-10 2018-12-04 泰州市海星环保设备安装有限公司 一种用于固定设备的紧固组件
CN106194915A (zh) * 2016-08-10 2016-12-07 周海梅 一种固定设备的紧固结构
CN106194913B (zh) * 2016-08-10 2018-09-28 泰州市美斯顿机械制造有限公司 一种用于固定设备的紧固装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB301374A (de) * 1927-11-28 1929-03-28 Fried. Krupp Germaniawerft Aktiengesellschaft
DE3628385A1 (de) * 1986-08-25 1988-03-10 Tacke Kg F Schiffsmaschinenanlage
DE19623914C2 (de) * 1995-10-04 1998-11-12 Flender A F & Co Schiffsantrieb mit einer Antriebsmaschine und direkt angetriebener Propellerwelle
JP3486405B2 (ja) * 2001-08-10 2004-01-13 三菱重工業株式会社 減揺装置

Also Published As

Publication number Publication date
FR2911577A1 (fr) 2008-07-25
EP1955945A1 (de) 2008-08-13
KR20080069552A (ko) 2008-07-28
KR101442251B1 (ko) 2014-09-23
FR2911577B1 (fr) 2009-04-24

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