EP3247668B1 - Elektrische kurbel für eine winde - Google Patents

Elektrische kurbel für eine winde Download PDF

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Publication number
EP3247668B1
EP3247668B1 EP16703579.9A EP16703579A EP3247668B1 EP 3247668 B1 EP3247668 B1 EP 3247668B1 EP 16703579 A EP16703579 A EP 16703579A EP 3247668 B1 EP3247668 B1 EP 3247668B1
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EP
European Patent Office
Prior art keywords
crank
main body
handle
winch
control member
Prior art date
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Active
Application number
EP16703579.9A
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English (en)
French (fr)
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EP3247668B8 (de
EP3247668A1 (de
Inventor
Bruno RABU
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.)
Chrysadev
Original Assignee
Chrysadev
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Filing date
Publication date
Application filed by Chrysadev filed Critical Chrysadev
Priority to EP20176335.6A priority Critical patent/EP3718949A1/de
Publication of EP3247668A1 publication Critical patent/EP3247668A1/de
Application granted granted Critical
Publication of EP3247668B1 publication Critical patent/EP3247668B1/de
Publication of EP3247668B8 publication Critical patent/EP3247668B8/de
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/60—Rope, cable, or chain winding mechanisms; Capstans adapted for special purposes
    • B66D1/74—Capstans
    • B66D1/7463—Accessories
    • B66D1/7468—Handles
    • B66D1/7478—Powered handles
    • 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
    • B66D1/7463—Accessories
    • B66D1/7468—Handles
    • B66D1/7473—Handles with locking means

Definitions

  • the present invention relates to the technical field of nautical equipment and more particularly accessories used on sailboats. It relates more specifically to an electric winch handle.
  • a sailing boat comprises one or more devices called “winches” which are winches around which a rope is wound / unrolled for the purpose in particular of tapping sheets or hoisting a sail.
  • winches winches around which a rope is wound / unrolled for the purpose in particular of tapping sheets or hoisting a sail.
  • cranks for operating these winches and in particular motorized cranks offering the operator the possibility of carrying out a maneuver either manually or in a motorized manner.
  • the operator, passionate about sailing, can also use these cranks to finish the maneuver manually and thus experience the associated sensations.
  • cranks can have certain drawbacks. Indeed, during frequent sheet plank maneuvers, halyard hauling, or even windlass maneuvering, during a manual maneuver, the operator causes the crank to rotate by pulling and pushing with his two hands on the handle gripping so as to have the maximum force. He often finds himself, arriving at the end of his effort, in an uncomfortable position for which the stress on the muscles of the body is maximum.
  • a motorized crank comprising an electric motor accompanied by a mechanical reducer, and a grip handle. It is notably described the presence of a push button mounted on the fixed shaft of the handle. This button, located on the handle, activates the motor.
  • the control of the direction of rotation of the crank is located at a distance from the handle, in this case on the casing. The operator must therefore release a hand from the handle to activate this control, thus losing time, precision, and imposing a greater effort on the operator.
  • This crank also includes a detachable ratchet anti-return system, located at the opposite end of the grip handle, which serves to facilitate its manual use.
  • the yachtsman who wishes to complete the maneuver manually must first choose the direction of rotation of the detachable ratchet non-return system which is not located on the handle, but at the end of the opposite crank of the handle.
  • the yachtsman cannot carry out a complete maneuver while keeping these two hands on the grip handle of the crank.
  • he releases one of his two hands from the handle to actuate the direction of rotation of the disengageable pawl.
  • the maneuver cannot therefore be carried out continuously, which constitutes a significant drawback in practice.
  • One of the objectives of the invention is to facilitate the angular repositioning of the crank during frequent sail maneuvers by introducing a control member accessible directly on the grip handle and allowing the actuation of the brake system by keeping both hands on the grip handle.
  • the winch handle is characterized in that a brake system is mounted on the output shaft of the engine.
  • the brake system can act directly on the engine when switching from a manual mode to a motorized mode and vice versa.
  • the grip handle comprises a control member capable of generating control orders for the electronic circuit for the actuation of the brake system.
  • This electronic circuit advantageously comprises a microprocessor on an electronic card, and is located in the main body of the crank by being supplied with energy by a battery.
  • Such a crank also comprises a transmission device comprising a first portion integral with the grip handle which is connected to the control member, and a second portion, in turn, integral with the main body, electrically connected to the electronic circuit, allowing the transmission orders generated by the control member, including during the rotation of the handle relative to the main body.
  • the transmission device allows the transmission of the instruction, generated by the pressure exerted on the control member, to the electronic circuit integrated in the main body of the crank, even if the handle turns on itself in relation to this crank.
  • the transmission device can be produced in different ways, and can be either a rotating collector with friction contacts, or a device of magnetically coupled coils without contact, or even a radio communication system.
  • the transmission device is a rotary collector
  • the position and the state of the various control members, whether they are dry contacts or potentiometers, are transmitted through the rotary collector directly to the electronic card which manages the actuating the brake system and the engine.
  • the transmission device When the transmission device operates without contact, for example when it uses a pair of magnetically coupled coils, the physical quantities corresponding to the state of the control members are transmitted by electromagnetic induction.
  • the transmission of these signals requires energy to allow the shaping of these signals, and the magnetic coupling of these coils also makes it possible to transmit electrical energy, from the main body which contains the battery which constitutes the source of electrical energy. of the crank.
  • a second microprocessor is present on a secondary electronic card which is located within the grip handle. This microprocessor is connected to the control members to detect their positions, and it ensures the coding and the emission of the set point generated by the actuation of a control member towards the main electronic card present in the main body, through the rotary transmission device operating by induction.
  • This transmission can be done by injecting a modulated current into the coil integral with the rotating handle. As this coil is magnetically coupled with the coil integral with the main body, this modulated current is detected and decoded by the main card.
  • the main card via the generation of an alternating voltage, and its modulation, preferably in a distant frequency band, allows energy to be transmitted from the main body to the secondary electronic card located in the handle. gripping.
  • the communication between the secondary card and the main card is completely wireless.
  • each of the main and secondary cards is connected or integrates a circuit code information intended to be transmitted and decodes the information supposed to be received.
  • An autonomous energy source can then be present at the level of the secondary card, inside the grip handle. This energy source can be renewable, because it is connected to an energy capture device, solar for example, or mechanical to take advantage of the movement of the grip handle relative to the main body.
  • the grip handle may include an additional control member capable of controlling the supply of the electric motor.
  • this crank also makes it possible to adjust the rotation speed of the electric motor, directly from the handle, in order to facilitate and improve the performance of frequent maneuvers.
  • the transmission device ensures the correct transmission of the instruction to the electronic circuit.
  • control means are positioned on the grip handle, with regard to the locations of the user's fingers when the latter grips the handle.
  • the boater when using the electric crank, the boater has direct and ergonomic access to the controls allowing a reduction in the time of the maneuver. Indeed, the boater does not need to let go of the handle with one hand to actuate a button at the opposite end of said crank during a maneuver which is thus done continuously.
  • the brake system can be arranged in different ways relative to the electric motor.
  • the brake system can be arranged on an output shaft located on one side of the electric motor, the mechanical reduction gear being connected to an output shaft of the motor emerging on the other side thereof.
  • the brake system can be arranged between the motor and the mechanical reducer
  • the output shaft of the electric motor can be arranged in various positions.
  • the motor output shaft is mounted horizontally, that is to say along the longitudinal axis of the main body of the electric crank.
  • the transmission mechanism then incorporates an angle transmission mechanism for transmitting the torque along a vertical axis.
  • the mechanical reducer can be directly mounted at the outlet of the electric motor.
  • the input shaft of the mechanical gearbox rotates at the speed of rotation of the output shaft of the electric motor.
  • the bevel gear is then interposed between the mechanical reducer and the coupling means of the winch, which are oriented vertically.
  • the mechanical reducer can also be mounted directly in line with the coupling means of the winch with the shafts of the mechanical reducer therefore oriented vertically.
  • the bevel gear is interposed between the motor and the gearbox to, in this case, connect the output shaft of the horizontally oriented electric motor with the input shaft of the mechanical gearbox. This angle gear also reduces the speed of rotation of the input shaft of the mechanical gearbox.
  • the output shaft of the motor is arranged vertically relative to the main body of the crank.
  • the motor, the brake system and the reduction gear are all mounted directly above the coupling means of the winch. This particular arrangement allows the reduction of the mass of the crank and concentrates the masses below the coupling means of the winch.
  • the crank may include a battery mounted on the main body directly above the coupling means.
  • the operator may also, if the battery is discharged, complete the maneuver manually, then recharge the battery, or immediately replace the empty battery with a full battery, the latter being removable.
  • the battery is recharged either on the boat from the internal internal or alternative electrical network when it exists, or later on the quay by connection to the public alternative network.
  • the battery is rechargeable wirelessly, in particular by induction.
  • the battery can be recharged as well on the boat, in particular when the handle is not used and is stored on a base provided for this purpose. This base then includes an induction coil connected to a device making it possible to generate the alternating voltage applied to this coil, from the source of electrical energy of the boat.
  • This recharging can also be carried out at the quay using an induction charging device.
  • the battery can be removable or not, that is to say separable or integral with the main body. It can be recharged by a wired connection to an energy source, or by placing near an energy source using induction phenomena.
  • the crank can also be used without battery thanks to the presence of waterproof connections.
  • the crank in the case where the battery is absent, for example because it is being recharged, the crank can operate in a traditional manner, that is to say without mechanical assistance.
  • the battery is mounted at the opposite end of the grip handle and extends prominently in the extension of the main body thus forming a second grip area. In this way, the operator carries the crank by these two gripping zones and thus improves the precision during coupling / uncoupling to the capstan of the winch.
  • the brake system is initially blocked at rest. Rest is defined as the state during which the control member relating to the speed of rotation is not actuated.
  • the brake system prevents the electric motor from rotating by mechanical friction, so that the crank can be used manually.
  • the brake system can comprise continuous and smooth friction surfaces allowing blocking, regardless of the position of the various elements of the transmission mechanism.
  • the crank comprises a control member ensuring the locking / unlocking of said crank in the winch drum.
  • the control member When the control member is activated, the user can then engage the means of coupling the crank with those of the winch. Once the crank is engaged in the winch, the user can then release the organ and the crank is then locked.
  • the invention relates to an electric winch handle 1 of simple and comfortable design for its user.
  • the electric winch handle 1 has a grip handle 2 located on one end of a main body 3 and coupling means 4 located at another end of the main body 3 allowing the connection of the handle 1 with the capstan a 100 winch .
  • the grip 2 comprises three control members 21, 22, 23 located opposite the location of the operator's fingers when the latter grips the handle.
  • the control members 21, 22, 23 are push buttons or knobs which integrate potentiometers and / or switches.
  • the control member 21 allows the motor rotation speed 32 to be adjusted relative to the winch.
  • the control member 22 acts on the direction of rotation of the motor 32, the control member 23 enables the brake system 35 to be released.
  • the handle may include two control members.
  • a first control member which is a potentiometer at mid point, allows the speed and the direction of rotation of the motor to be adjusted.
  • Another control member enables the brake system to be released, in particular for an angular readjustment of the crank during frequent maneuvers.
  • control members have been shown in a configuration intended to facilitate understanding of the invention, but in practice, they can be positioned at other places on the handle of the crank to meet ergonomic objectives.
  • control members 21, 22, 23 are connected to wires 24 of electrical connection which pass through a hollow shaft 27 in order to be connected to a rotary collector 29.
  • the grip handle 2 is connected to the main body 3 of the crank by a hollow shaft 27 which emerges from the lower part 30 of the handle 2 and allows the hulls of the handle 2 to be coupled .
  • a spi joint 25 is mounted around of the hollow shaft 27 at the junction between the handle 2 and the main body 3 of the crank 1.
  • Bearings 26, 28 are mounted on the hollow shaft 27, below the oil seal 25, to allow rotation of the handle 2 relative to the main body 3 of the crank 1.
  • a rotary manifold 29 is also mounted at the lower end of the hollow shaft 27.
  • This rotating manifold 29 is composed of two parts.
  • the first part 291 is integral with the hollow shaft 27 and the second part 292 is integral with the main body 3 of the crank 1.
  • the wires 26 of electrical connection, emerging from the second portion 292 are directly connected to the electronic circuit 31 housed in the main body 3 of the crank 1.
  • the role of the rotating manifold 29 is to ensure good electrical transmission when at least one of the control members is requested by the operator.
  • the rotary collector 29 makes it possible to transfer the state of the control members, which are movable relative to the body of the crank, and thus prevent the son in turn from being wound on themselves and thus degrade and / or disconnect from the control members and / or the electronic circuit.
  • the handle 2 is equipped with an electronic card 124, which is connected on the one hand to the control members 121 122 123, and on the other hand to the coil 130 of the rotary transmission device 121, which itself comprises a second coil 131 magnetically coupled with the coil 130.
  • This coil 131 is fixed, and itself electrically connected to the electronic card 31 for managing the operation of the engine.
  • the coil 130 is integral with the rotating handle 2, and the relative movements of the two coils 130 131 allow the passage of signals and electrical energy from one coil to another.
  • the states of the various control members 121 122 123 are coded by the microprocessor 125 present on the card 124, the supply of which is ensured by a circuit 126.
  • This circuit 126 which can be a capacitor bank, or an accumulator rechargeable, is supplied with energy by the main battery 33, through alternating signals which are sent by the main card 31 to the coil 131.
  • the coupling of this coil 131 with the rotating coil 130 allows the delivery of electrical energy up to the accumulator circuit 126.
  • the microprocessor 125 generates signals, by injection of a modulated current which circulates in the coil 130, is thus transmitted by inductive coupling to the coil 131 and therefore to the microprocessor of the main electronic card 131 who is thus informed of the state of the various control members 121 122 123.
  • the main body 3 extends longitudinally from the grip handle 2 to the coupling means 4 of the winch.
  • the main mechanical and electrical elements that are the electronic circuit 31, the electric motor 32, the interchangeable battery 33, the mechanical reducer 34, the brake system 35 and the angle transmission mechanism 36.
  • the electric motor 32 is a low current electric motor, specifically a "brushless" motor with a power between 450-700 W, more preferably with a power close to 500 W. Depending on the needs, the electric motor could of course be a DC motor.
  • the control member 21 controls the speed of rotation of the electric motor 32 of the crank 1.
  • the battery 33 is easily detachable from the electric crank 1 by a standard slide-type branching system in power tools. So replacing a discharged battery is quick and easy.
  • the battery 33 is housed in a recess 37 of the main body 3 at the end of the grip handle 2 with a protruding part in the extension of said main body 3 so as to form a second grip area 38.
  • This second gripping area 38 is useful especially when the operator transports the crank 1 in order to engage it in the capstan 100 of the winch.
  • the presence of the push button 43 under the battery 33 has an ergonomic advantage for the user who benefits from easy access to the locking / unlocking system.
  • a ventilation system 39 is mounted on the output shaft of the motor 32.
  • this ventilation system 39 comprises in particular blades 391 and an opening 392 in which is fitted the output shaft of the motor 32.
  • the ventilation system 39 and more particularly the rotation of these blades 391, causes the heat to be evacuated by air circulation inside the volume of the main body 3.
  • the heat is evacuated to the outside through the main body 3 of the crank 1.
  • This system of ventilation 39 also allows the evacuation of the heat generated at the level of the electronic circuit 31. Due to the presence of a lubricating system 139 on the hollow shaft carrying the angle gear 36, and of the mechanical reducer 34, the circulation ventilation should be avoided in this area of crank 1 if possible .
  • the ventilation system is an electric fan which has the advantage of operating independently of the engine, since it is preferably controlled by the electronic circuit 31.
  • this type of fan allows on the one hand to guarantee circulation air within the main body, regardless of the engine speed. It also allows heat to be dissipated even after the engine has stopped, so as to continuously lower the temperature in the main body.
  • the crank can also include a thermal diffusion device installed in the circulation circuit, with the aim of improving the evacuation of heat within the main body.
  • This thermal diffusion device can be, depending on the applications, a set of fins or a plate made of a metallic material, typically aluminum molded onto the body of the crank, so as to dissipate the heat captured by the diffusion device towards the outside. in the ventilation flow.
  • Sealing means such as spinnaker, flat, O-ring seals, or the like, are provided at each of the mechanical and electrical connections.
  • the crank can also include an on / off switch, not shown in the figures, for the purpose of stopping or limiting current consumption when the crank is not used or does not operate in an electric assistance mode.
  • this switch is mechanically coupled with the locking / unlocking control member of the crank within the winch. In this way, when the user initiates a coupling or uncoupling operation of the crank on the winch, the control electronics are activated, then deactivated after a period of non-use.
  • a signaling device visual, diode type or other, can also be integrated in order to warn the operator of a possible rise in temperature too high in the main body of the crank, which could thus lead to its degradation.
  • the mechanical reducer 34 is located directly above the coupling means 4 of the crank 1.
  • a bevel gear 36 is then interposed between the electric motor 32 and the mechanical gear 34.
  • the gearbox d angle 36 makes it possible to deliver a higher torque value to mechanical reducer 34.
  • a bevel gear mechanism 36 in this case a bevel or spiral bevel gear 36, ensures cooperation between the output shaft of the motor 32 and the input shaft 341 of the mechanical reducer 34 located directly below the coupling means of the winch 100.
  • the bevel gear 36 comprises two pinions 361 and 3612.
  • the pinion 361 has a number of teeth, less than the pinion 3612 cooperating with the output shaft of the motor 32 , so as to increase the torque at the output of the bevel gear 36.
  • the input pinion 341 is mechanically coupled to the pinion 361 of the mechanical reducer 36.
  • a first bearing 362 is mounted between the pinion 361 and the main body 3. This first bearing 362 allows the rotational movement of the bevel gear 36.
  • a first self-lubricating ring 41 is mounted on the pinion 361 so as to favor the movement of the rotary shaft 40 within the bevel gear 36.
  • a second bearing 365 is present on the other side of the pinion 361, opposite the mechanical reducer 34. This second bearing 365 allows the shaft 341 to be guided in rotation relative to the mechanical reducer 34.
  • the mechanical reducer 34 is formed by an assembly of elements 341-351 forming a planetary gear train.
  • the mechanical reduction gear 34 comprises in particular a planetary input 341 guided by the bearing 365 and integral with the bevel gear 36.
  • This planetary input 341 passes through a mounting plate 342 , fixed relative to the input shaft of the mechanical reducer 34 and comprises a passage opening 3421.
  • the input plate 342 is integral with an external sun gear 343 which comprises a system of internal teeth cooperating with the first reduction level of the mechanical reducer 34.
  • the mechanical reducer 34 comprises a set of three reduction levels 344, 345, 346.
  • the first reduction level 344 includes a satellite carrier 3441 supporting three satellites 3442 on the face facing the mounting plate 342 . These three satellites 3442 mesh with the input sun gear 341.
  • the other face of the satellite carrier 344 includes a sun gear 3443 facing the second reduction level and intended to drive the satellites of the satellite carrier 345.
  • the second reduction level is produced so that the desired torque is supplied at the output of the third reduction level 346 and more particularly to the coupling means 4 of the crank 1.
  • the output shaft 3461 of the reduction level 346 constitutes the output shaft of the mechanical reducer 34 and therefore rotates at the reduced speed imposed by the three reduction levels 344, 345 and 346 and the bevel gear 36.
  • the output shaft 3461 crosses the output plate 347 which closes the mechanical reduction gear 34.
  • the mechanical junction between the output shaft 3461 and the coupling means 4 of the crank 1 is provided by the mechanical elements 349, 350 and 351.
  • a lock nut 349 is screwed onto the output shaft 3461 of the mechanical reducer 34 and blocks the inner ring of the bearing 348 on the planet carrier of the third reduction level 346.
  • a seal 351 makes it possible to seal at the connection between the output shaft and the rotary shaft 40.
  • a seal 350 seals between the shaft 3461 and the main body 3.
  • the output shaft 3461 has a serrated end 3462 complementary to an internal serration of the coupling means 4 of the crank 1.
  • a rotary shaft 40 extends all along the vertical part of the crank 1 and passes respectively through the bevel gear 36, the mechanical reduction gear 34 with hollow shaft as well as the coupling means 4 of the crank 1.
  • the first portion 401 of the rotary shaft 40 is a toothed wheel rotated by a push button 43 when the crank 1 is intended to be locked within the winch 100.
  • the locking mechanism of the crank 1 within the winch 100 is described below.
  • a first self-lubricating ring 41 is provided between the rotary shaft 40 and the upper part of the bevel gear mechanism 36 in order to facilitate the movement of the shaft 40 relative to the bevel gear 36.
  • a second self-lubricating ring 42 allows also to facilitate the movement of the rotary shaft 40 at the output of the third reduction level 346 which passes through the output plate 347 of the mechanical reduction gear 34.
  • the rotary shaft 40 has a first portion 401 at its upper end which allows the shaft 40 to be held within the mechanical reducer 34.
  • a second portion 402 located at the opposite end of the rotary shaft 40 makes it possible in particular to come to lock / block the crank 1 in the capstan of the winch 100.
  • the rotary shaft 40 in the initial position, does not allow the coupling means 4 of the crank to be engaged in the winch 100.
  • the portion 402, intended to come to lock the crank 1 in the winch 100 is oriented and held in position by a return spring 403, so that it prevents the insertion of the coupling means 4 from the crank 1 to the winch 100, as shown in the figure 5b .
  • a push button 43 is present opposite the portion 401.
  • the spring 431 is then compressed and the rack 432 secured to the push button 43 causes the rotation of the portion 401, therefore the 'rotary shaft 40.
  • the push button can be replaced by an electric switch controlling an electromagnet which will actuate the rack.
  • This movement causes a predetermined angle rotation, more preferably an angle of 22.5 °.
  • This rotational movement is allowed thanks to the hollow shaft of the mechanical reducer 34.
  • the portion 402 undergoes the same rotational movement at a fixed angle which makes it possible to adopt a position allowing the insertion of the coupling means 4 to the winch 100 .
  • This portion 402 is found, as shown in the figure 5a , in the so-called "open” position, that is to say aligned with the teeth of the coupling means 4 of the crank 1.
  • a security system preventing action on the push button as soon as the motor is controlled may be implemented for example by a blocking electromagnet. This security can also be achieved by an escape mechanism of the rack in the event of blockage of the part 401.
  • the mechanical reducer 70 is formed by an assembly of elements 51-57 forming a planetary gear train.
  • the mechanical reduction gear 70 in particular comprises an input sun gear 51 directly connected to the end of the output shaft of the motor 32.
  • This input sun gear 51 passes through a mounting plate 52 , fixed relative to the motor 32, and provided a passage opening 521 of the output shaft of the motor 32.
  • the mechanical reduction gear 70 comprises a system of three reduction levels 53, 54, 55.
  • the reduction level 53 includes a satellite carrier 532 supporting three satellites 531 on the face facing the mounting plate 52 . These three satellites 531 mesh with the sun gear 51.
  • the other face of the satellite carrier 532 comprises a sun gear 533 oriented with respect to the second reduction level and intended to drive the satellites 541 of the satellite carrier 542.
  • the two other reduction levels are produced so that the desired torque is supplied at the output of the mechanical reduction gear 70 and more particularly to the bevel gear mechanism 60.
  • the outer sun gear 56 comprises a system of complementary internal teeth with the satellites of the third level of reduction 55.
  • the planetary outer 56 is connected by a sleeve 57.
  • the sleeve 57 is a stationary output plate of the mechanical reducer 70 which on the one hand, allows the mechanical connection with the third reduction level 55 and on the other hand, blocks the rotation of the planetary outer 56 thanks to the lateral lugs 571.
  • the sleeve 57 is coupled to the pinion 59 input of the bevel gear mechanism 60.
  • the sleeve 57 and the pinion 59 are secured by pins 58 inserted in the openings 572.
  • the pinion output 601 of the bevel gear mechanism 60 is located directly above the coupling means 4 of the winch 100. The ratio of the number of teeth of the input gears 591 and output 601 thus provides the necessary torque and a reduced speed of rotation at the winch 100.
  • the mechanical reducer, the electric motor and the brake system are all mounted directly in line with the coupling means of the winch.
  • Such a configuration eliminates the presence of a bevel gear and in doing so, an overall reduction in the mass of the crank.
  • the entire mass is found directly above the coupling means of the winch.
  • the brake system comprises several interacting members 351-354 .
  • An electromagnet mechanism 355, comprising in particular a spring 3551, is coupled with a first movable flange 354 .
  • the brake system 35 also includes a brake lining 353 which has a central recess 3531 into which a drive nut 351 of complementary shape is inserted.
  • the drive nut 351 is directly integral with the motor output shaft and allows the brake lining 353 to rotate.
  • a second , fixed flange 352 is disposed on the other side of the brake lining 353 by relative to the first flange 354. At rest, when the electromagnet is deactivated, the spring 3551 is then relaxed and the first flange 354 is brought into contact with the brake lining 353.
  • the first flange 354 thus pushes the brake lining 353 on the second flange 354 by virtue of the latitude of movement imparted by the shape of the nut 351 relative to the central recess of the brake lining 353.
  • the fixed flanges 352 and mobile 354 cooperate and block the nut system 351 brake lining 353.
  • the brake system thus prevents the output shaft of the motor 32 from rotating.
  • the brake system 35 When the crank operates in motorized mode, the brake system 35 is "released". In this case, the electromagnet 355 is energized and the spring 3551 is then compressed. The first movable flange 354 is no longer in contact with the nut system 351 - brake lining 353. The brake lining 353 can thus rotate according to the speed of rotation of the output shaft of the electric motor 32. Of course, other system architectures can be considered.
  • crank according to the invention can operate in different modes.
  • crank 1 engages the crank 1 on the capstan of the winch 100.
  • the possible presence of a locking system allows the crank to remain integral with the winch during frequent maneuvers.

Claims (11)

  1. Elektrische Kurbel (1) für eine Winde, die enthält:
    • einen Hauptkörper (3) mit einem Elektromotor (32), gesteuert über einen Schaltkreis (31);
    • einen Handgriff (2), angeordnet an einem Ende des Hauptkörpers (3), der, bezogen auf diesen Hauptkörper (3), um sich selbst, schwingen kann;
    • Vorrichtungen (4) zum Ankoppeln an eine Winde (100), angeordnet am entgegengesetzten Ende des genannten Hauptkörpers (3);
    • ein Übertragungsmechanismus, angetrieben durch die Ausgabewelle dieses Motors (32), der die Rotation der Kopplungsvorrichtungen (4) ermöglicht; und
    • ein Getriebemotor (34) eingebaut zwischen der Ausgabewelle des Motors (32) und den Kopplungsvorrichtungen (4),
    dadurch gekennzeichnet, dass sie umfasst
    • ein Bremssystem (35) montiert an der Ausgabewelle des Motors (32), angetrieben über diesen elektronischen Stromkreis (31);
    • Ein Steuerorgan (23), vorgesehen auf dem Handgriff (2), das in der Lage ist, Steuerbefehle an den elektronischen Stromkreis (31) zu senden, zur Betätigung des genannten Bremssystems (35); und
    • eine Übertragungsvorrichtung (29) mit einem ersten Teilstück (291), fest verbunden mit dem Handgriff, verbunden mit diesem Steuerorgan (23) und ein zweites Teilstück, (292) fest verbunden mit dem Hauptkörper (2), elektrisch mit dem elektronischen Stromkreis (31) verbunden, über das die Übertragung der vom Steuerorgan während der Rotation des Handgriffs bezogen auf den Hauptkörper erzeugten Befehle übertragen werden können;
    • diese beiden Teilstücke (291, 292) sind kontaktfrei über magnetisch gekoppelte Spulen oder über ein Radiokommunikationssystem miteinander verbunden.
  2. Kurbel (1) nach Anspruch 1, dadurch gekennzeichnet, dass der genannte Handgriff (2) ein zusätzliches Steuerorgan (21) enthält, das in der Lage ist, die Stromversorgung dieses Motors (32) zu steuern.
  3. Kurbel (1) nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass diese Steuerorgane (21, 23) auf dem genannten Handgriff (2) angeordnet sind, gegenüber den Fingern des Benutzers, wenn dieser um den Handgriff greift.
  4. Kurbel (1) nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass sie eine Batterie (33) enthält, die auf diesem Hauptkörper senkrecht zu den Kopplungsvorrichtungen montiert ist.
  5. Kurbel (1) nach Anspruch 4, dadurch gekennzeichnet, dass diese Batterie (33) abnehmbar ist.
  6. Kurbel (1) nach einem der Ansprüche 4 und 5 dadurch gekennzeichnet, dass diese Batterie (33) im entgegengesetzten Teilstück dieses Handgriffs (2) untergebracht ist und einen hervorragenden Teil (38) in der Verlängerung dieses Hauptkörpers (3) enthält und so eine zweite Greifzone bildet.
  7. Kurbel (1) nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass das Bremssystem (35) ursprünglich in Ruhestellung blockiert ist.
  8. Kurbel (1) nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass sie eine Elektronikkarte (124), versehen mit einem Prozessor (125) enthält, mit der die Zustände des genannten Steuerorgans kodiert werden können.
  9. Kurbel nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass es sich bei der Übertragungsvorrichtung (29) um eine magnetisch gekoppelte Spulenvorrichtung (130,131) handelt, eine der Spulen (130) ist dabei fest mit dem Handgriff verbunden, die andere Spule (131) ist fest mit dem Hauptkörper verbunden.
  10. Kurbel nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass die Übertragungsvorrichtung (29) Radiokommunikationskreise enthält.
  11. Kurbel nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, dass sie ein Steuerorgan (43) enthält, das die Ver-/ Entriegelung dieser Kurbel innerhalb der Winde gewährleistet.
EP16703579.9A 2015-01-20 2016-01-15 Elektrische kurbel für eine winde Active EP3247668B8 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20176335.6A EP3718949A1 (de) 2015-01-20 2016-01-15 Elektrische kurbel für eine winde

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1550438A FR3031737B1 (fr) 2015-01-20 2015-01-20 Manivelle electrique de winch
PCT/FR2016/050081 WO2016116685A1 (fr) 2015-01-20 2016-01-15 Manivelle electrique de winch

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP20176335.6A Division-Into EP3718949A1 (de) 2015-01-20 2016-01-15 Elektrische kurbel für eine winde
EP20176335.6A Division EP3718949A1 (de) 2015-01-20 2016-01-15 Elektrische kurbel für eine winde

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EP3247668A1 EP3247668A1 (de) 2017-11-29
EP3247668B1 true EP3247668B1 (de) 2020-05-27
EP3247668B8 EP3247668B8 (de) 2020-08-05

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EP16703579.9A Active EP3247668B8 (de) 2015-01-20 2016-01-15 Elektrische kurbel für eine winde

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US (2) US10358324B2 (de)
EP (2) EP3718949A1 (de)
FR (1) FR3031737B1 (de)
WO (1) WO2016116685A1 (de)

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US11078058B2 (en) 2019-03-28 2021-08-03 Goodrich Corporation Overload clutch assembly for hoist
NO347051B1 (en) * 2021-09-13 2023-05-02 Proxdrive As Power assist system for winches

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Also Published As

Publication number Publication date
US20190292027A1 (en) 2019-09-26
WO2016116685A1 (fr) 2016-07-28
US20180016123A1 (en) 2018-01-18
US10858226B2 (en) 2020-12-08
EP3247668B8 (de) 2020-08-05
EP3247668A1 (de) 2017-11-29
FR3031737A1 (fr) 2016-07-22
EP3718949A1 (de) 2020-10-07
FR3031737B1 (fr) 2017-01-13
US10358324B2 (en) 2019-07-23

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