EP0050073A1 - Elektromotorisch betriebene Winde mit Klemmrillen-Treibscheibe zum Betätigen eines Zug- oder Hubkabels mit losem Ende - Google Patents

Elektromotorisch betriebene Winde mit Klemmrillen-Treibscheibe zum Betätigen eines Zug- oder Hubkabels mit losem Ende Download PDF

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Publication number
EP0050073A1
EP0050073A1 EP81401518A EP81401518A EP0050073A1 EP 0050073 A1 EP0050073 A1 EP 0050073A1 EP 81401518 A EP81401518 A EP 81401518A EP 81401518 A EP81401518 A EP 81401518A EP 0050073 A1 EP0050073 A1 EP 0050073A1
Authority
EP
European Patent Office
Prior art keywords
pulley
shaft
motor
winch
strand
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.)
Withdrawn
Application number
EP81401518A
Other languages
English (en)
French (fr)
Inventor
André Desplats
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.)
Tractel SAS
Original Assignee
Tractel SAS
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 Tractel SAS filed Critical Tractel SAS
Publication of EP0050073A1 publication Critical patent/EP0050073A1/de
Withdrawn legal-status Critical Current

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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
    • B66D1/7415—Friction drives, e.g. pulleys, having a cable winding angle of less than 360 degrees

Definitions

  • the object of the invention is to propose a winch with an electric motor with a pulley with wedging groove for actuating a pulling or lifting cable with free strand, this winch being designed to be of such a compact construction and also simple as possible while having perfect operational safety and allowing a very high reduction ratio between the fast shaft of the motor and the pulley with wedging groove, obtained with a very small bulk in the axial direction.
  • the desired result is essentially obtained by the direct association of the wedging groove pulley with a single-stage reducer operating according to the known principle known as the Ferguson paradox, that is to say d '' a reducer c Q taking, around a sun gear with external teeth fixed to the output shaft of the motor, a cage of planetary gears which mesh both with the solar teeth and with the two internal teeth of a fixed crown and a movable receiving crown, this movable receiving crown being, in accordance with the invention, integral with the blocking groove pulley mounted with the reduction gear inside the casing of the device at one end of the electric motor .
  • the Ferguson paradox that is to say d '' a reducer c Q taking, around a sun gear with external teeth fixed to the output shaft of the motor, a cage of planetary gears which mesh both with the solar teeth and with the two internal teeth of a fixed crown and a movable receiving crown, this movable receiving crown being, in accordance with the invention, integral with the blocking groove pulley mounted with the
  • the blocking groove pulley rotates on an inner bearing of the casing between the motor and the reduction gear and the face of this pulley adjacent to the reduction gear carries the receiving crown with internal teeth actuated by the reduction gear, which ensures that the device a remarkable balancing.
  • the invention also provides, on the end of the fast shaft of the motor passing through the reduction gear, the mounting of a brake constituted by a friction disc interposed between two braking washers while a freewheel device, interposed between the friction disc and the motor shaft make it integral with the friction disc for a single direction of rotation.
  • This freewheel device advantageously consists of a simple helical spring with contiguous turns applied against the shaft, while one end of this spring is fixed to the friction disc.
  • the housing of the wedge groove pulley on one side of which the motor is directly mounted has upward a carrying handle secured to a device suspension member while, downwards, this casing has an opening for the passage of the free strand and the stretched strand of the lifting or traction cable wound over a large fraction of the periphery of the blocking groove of the pulley.
  • the motor is associated with a terminal box provided with a cover which can be used as a support base for placing it conveniently.
  • the terminal box can contain the starting capacitor and its relay as well as the up and down limit switches and their control mechanism while not requiring a minimum of wiring for the motor connection.
  • the electric motor 1 the rotor of which is indicated at 2 and the stator at 3, is mounted directly on one face of the casing 4 of the apparatus, an annular part 5 of which is crossed by the motor output arhre 6.
  • the face of the casing opposite the motor has around the annular part 5 a housing 7 for receiving the wedging pulley 8 mounted on a bearing 9 around this part 5.
  • This pulley has a V-shaped groove, indicated at 10, in which is engaged the lifting or traction cable 11 (figure 2).
  • the part of the casing 4 located around the housing 7 has a downward opening 12 traversed by the two strands of cable comprising the stretched strand 13 coupled to the load (not shown) and the free strand or soft strand 14.
  • the pulley 8 with wedging groove is associated with an epicycloidal reducer of the type using Ferguson's paradox, that is to say comprising a cage of planetary gears which mesh with both an external toothing of a solar crown carried by the fast shaft and with two internal toothing with very little different numbers of teeth provided on a fixed crown and on a receiving crown integral with the pulley 8.
  • the solar crown, indicated at 21, thus meshes with two wheels planetary 22 whose axes 23 are carried by a rotating cage 24.
  • Each of these planetary meshes both with the internal toothing of a fixed crown 25 carried by a casing tip 26 and with the internal toothing of a receiving crown 27 secured to the pulley 8.
  • the toothed crowns 25-27 are coaxial and both mesh with the same planetary wheels 22, their primitive circles and their numbers of teeth are slightly different and, according to Ferguson's paradox, the meshing is made possible by a different cutting of the teeth of the crowns 25-27 and by an appropriate cutting of the planetary wheels 22.
  • the numbers of teeth N1, N2, N3, N4 of the teeth 21, 22, 25, 27 can be respectively 8, 22, 56, 54 and then the reduction ratio, that is to say the ratio of the angular speed of the sun wheel 21 to the angular speed of the teeth 27 is equal to N4 (N3 + N1) / N1 (N4-N3), i.e.
  • the jamming pulley 8 is housed between the electric motor and the reduction gear, which ensures good balancing of the device.
  • the large reduction ratio (216), obtained by the reduction gear indicated above, makes this reduction gear hardly reversible, which is very suitable for an apparatus intended for lifting loads, and it allows the use of a simple brake. , since subject to a very low torque. As a result of this reduction ratio, the load applied to the cable cannot cause the winch to deflect when the engine is stopped in the direction of increasing the load. On the other hand, if the engine is stopped during a descent, there is a low risk of a slow continuation of the movement under the action of the load. To avoid this risk with certainty, a brake is applied to the motor shaft 6, which acts only in one direction of rotation.
  • the shaft 6 has at its end a cylindrical part 31 on which is wound a helical spring 32 with contiguous turns, one end of which is fixed to a friction disc 33 inserted between two braking washers 34 resiliently tightened in part. and other of this friction disc.
  • the spring 32 is mounted in such a way that, when the shaft 6 rotates in the direction corresponding to the rise in the load, it tends to unwind the turns of the spring by loosening the grip of this spring on the shaft, so that the friction disc 33 is not driven by the shaft.
  • the shaft 6 rotates in the direction of descent, it increases the tightening of the turns of the spring on the shaft, so that the brake disc driven by the shaft is braked by the washers between which it is tight.
  • the casing 4 is advantageously extended upwards by two parallel cheeks 35 on which is mounted a carrying handle 36 comprising a mooring pin 37 which crosses the cheeks 35 while being immobilized therein by a pin elastic 38.
  • a lower terminal box opposite the carrying handle that is to say oriented downwards.
  • This box which can receive the starting capacitor and its relay as well as the up and down limit switches, is closed by a special cover 50 designed to be used as a support base for conveniently placing the device. very stable when this device is not suspended by slinging by means of pin 37.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Retarders (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Pulleys (AREA)
  • Braking Arrangements (AREA)
EP81401518A 1980-10-09 1981-10-02 Elektromotorisch betriebene Winde mit Klemmrillen-Treibscheibe zum Betätigen eines Zug- oder Hubkabels mit losem Ende Withdrawn EP0050073A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8021593 1980-10-09
FR8021593A FR2491902B1 (fr) 1980-10-09 1980-10-09 Treuil a moteur electrique avec poulie a gorge de coincement pour l'actionnement d'un cable de traction ou de levage a brin libre

Publications (1)

Publication Number Publication Date
EP0050073A1 true EP0050073A1 (de) 1982-04-21

Family

ID=9246711

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81401518A Withdrawn EP0050073A1 (de) 1980-10-09 1981-10-02 Elektromotorisch betriebene Winde mit Klemmrillen-Treibscheibe zum Betätigen eines Zug- oder Hubkabels mit losem Ende

Country Status (6)

Country Link
US (1) US4434973A (de)
EP (1) EP0050073A1 (de)
JP (2) JPS5790394A (de)
CA (1) CA1163623A (de)
ES (1) ES8207091A1 (de)
FR (1) FR2491902B1 (de)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3728494C1 (de) * 1987-08-26 1988-12-08 Habegger Maschf Tragbare Seilzugmaschine
EP0363800A1 (de) * 1988-10-13 1990-04-18 Power Climber Inc. Hebevorrichtung
FR2646661A1 (fr) * 1989-05-05 1990-11-09 Maxwell Marine Ltd Treuil pour manipulation d'ancre
EP0677480A1 (de) * 1994-03-24 1995-10-18 Gebrueder Roeck Ohg - Snc D. Simon Roeck Kompaktes Durchlaufseilzuggerät
DE19851708A1 (de) * 1998-10-30 2000-05-11 Mannesmann Ag Windwerk mit einem Gehäuse
US6241215B1 (en) 1998-10-30 2001-06-05 Mannesmann Ag Portable winch

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4884783A (en) * 1988-02-12 1989-12-05 Thorn, Inc. Hoist with oil cooled brake
US6371248B1 (en) * 1998-12-14 2002-04-16 Inventio Ag Drive unit for elevators
SE532850C2 (sv) * 2007-11-09 2010-04-20 Selden Mast Ab Anordning för linvinsch på segelbåt
US9908757B2 (en) 2010-03-08 2018-03-06 Wizard Products, Llc Gas powered self contained portable winch
US8434742B2 (en) * 2010-03-08 2013-05-07 Wizard Products, Llc Gas powered self contained portable winch
CN103466484A (zh) * 2013-09-24 2013-12-25 常熟市永固起重设备安装工程有限公司 齿轮式电动吊台
CN109516394B (zh) * 2018-09-30 2020-09-01 武汉船用机械有限责任公司 绞车及绞车的安装方法
SE543179C2 (en) * 2019-04-09 2020-10-20 Actsafe Systems AB A portable power-driven system
TWI717270B (zh) * 2020-04-30 2021-01-21 徐瑞峯 電動捲揚機之結構

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1329107A (en) * 1919-06-14 1920-01-27 James P O'bryan Hoisting device
US1347785A (en) * 1920-07-27 Electric hoist
DE348303C (de) * 1922-02-06 Carl Gensel Dipl Ing Elektrisch betriebener Flaschenzug
DE486843C (de) * 1922-09-13 1929-11-27 Carl Bomnueter Dipl Ing Elektrisch betriebener Flaschenzug
DE495477C (de) * 1928-03-21 1930-04-07 Demag Akt Ges Elektrozug mit Treibscheiben
GB731009A (en) * 1952-10-11 1955-06-01 Albert Vinson Speed-reducing device for winches chain lifts and the like
GB2041867A (en) * 1979-02-13 1980-09-17 Sky Safety Eng Pte Ltd Drive Mechanism

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1513449A (fr) * 1966-12-28 1968-02-13 Pomagalski Jean Sa Perfectionnements aux treuils

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1347785A (en) * 1920-07-27 Electric hoist
DE348303C (de) * 1922-02-06 Carl Gensel Dipl Ing Elektrisch betriebener Flaschenzug
US1329107A (en) * 1919-06-14 1920-01-27 James P O'bryan Hoisting device
DE486843C (de) * 1922-09-13 1929-11-27 Carl Bomnueter Dipl Ing Elektrisch betriebener Flaschenzug
DE495477C (de) * 1928-03-21 1930-04-07 Demag Akt Ges Elektrozug mit Treibscheiben
GB731009A (en) * 1952-10-11 1955-06-01 Albert Vinson Speed-reducing device for winches chain lifts and the like
GB2041867A (en) * 1979-02-13 1980-09-17 Sky Safety Eng Pte Ltd Drive Mechanism

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3728494C1 (de) * 1987-08-26 1988-12-08 Habegger Maschf Tragbare Seilzugmaschine
EP0363800A1 (de) * 1988-10-13 1990-04-18 Power Climber Inc. Hebevorrichtung
FR2646661A1 (fr) * 1989-05-05 1990-11-09 Maxwell Marine Ltd Treuil pour manipulation d'ancre
EP0677480A1 (de) * 1994-03-24 1995-10-18 Gebrueder Roeck Ohg - Snc D. Simon Roeck Kompaktes Durchlaufseilzuggerät
DE19851708A1 (de) * 1998-10-30 2000-05-11 Mannesmann Ag Windwerk mit einem Gehäuse
DE19851708C2 (de) * 1998-10-30 2000-08-17 Mannesmann Ag Windwerk mit einem Gehäuse
US6241215B1 (en) 1998-10-30 2001-06-05 Mannesmann Ag Portable winch

Also Published As

Publication number Publication date
JPS5790394A (en) 1982-06-05
FR2491902A1 (fr) 1982-04-16
CA1163623A (en) 1984-03-13
ES506126A0 (es) 1982-09-01
JPH0264586U (de) 1990-05-15
FR2491902B1 (fr) 1985-12-06
JPH0237825Y2 (de) 1990-10-12
US4434973A (en) 1984-03-06
ES8207091A1 (es) 1982-09-01

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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AK Designated contracting states

Designated state(s): CH DE GB IT NL SE

ITCL It: translation for ep claims filed

Representative=s name: DR. ING. A. RACHELI & C.

TCNL Nl: translation of patent claims filed
DET De: translation of patent claims
17P Request for examination filed

Effective date: 19820915

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18D Application deemed to be withdrawn

Effective date: 19840410

RIN1 Information on inventor provided before grant (corrected)

Inventor name: DESPLATS, ANDRE