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BR9905748A - Polia com freio de emergência automático. - Google Patents

Polia com freio de emergência automático.

Info

Publication number
BR9905748A
BR9905748A BR9905748-4A BR9905748A BR9905748A BR 9905748 A BR9905748 A BR 9905748A BR 9905748 A BR9905748 A BR 9905748A BR 9905748 A BR9905748 A BR 9905748A
Authority
BR
Brazil
Prior art keywords
cable
leg
pulley
pull
emergency brake
Prior art date
Application number
BR9905748-4A
Other languages
English (en)
Inventor
Giovanni Ravaglia
Angelo Olani
Original Assignee
Tornomeccanica S R L
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 Tornomeccanica S R L filed Critical Tornomeccanica S R L
Publication of BR9905748A publication Critical patent/BR9905748A/pt

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D5/00—Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads
    • B66D5/02—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes
    • B66D5/16—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes for action on ropes or cables
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B1/00—Devices for lowering persons from buildings or the like
    • A62B1/06—Devices for lowering persons from buildings or the like by making use of rope-lowering devices

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Emergency Lowering Means (AREA)
  • Braking Arrangements (AREA)

Abstract

POLIA COM FREIO DE EMERGêNCIA AUTOMáTICO Uma polia com freio de emergência automático constituída de um disco (1) que guia o cabo (3) tendo uma perna de tração (7) e uma de carga (8), apoiado rotativamente por uma forquilha adequada (5), esta polia sendo provida com um eixo balancim de parede dupla (9), as paredes externas do qual são montadas sobre a forquilha (5) por meio de pinos articulados transversos (10) descentrados com respeito ao semi eixo (4) do disco acima (1) na direção da perna de tração (7) do cabo. O eixo balancim acima (9) tem o formato de um triângulo de ângulos retos, sua hipotenusa sendo localizada obliquamente na parte superior, seu ângulo agudo menor (<244>) localizado na parte inferior em direção à perna de carga (8) do cabo onde um contrapeso regulável (12) é colocado, enquanto o ângulo agudo maior (<225>) é localizado na extremidade superior da perna de tração (7) do cabo onde um pino transverso (13) é provido com uma cunha de agarre (14) para soltar ou travar o cabo (3) no canal (2) do disco de polia (1) e finalmente o ângulo reto (y) na parte inferior em direção à perna de tração (7) do cabo caracterizando um moitão (11) sobre o qual o cabo de tração (7) desliza provocando a liberação do cabo (3) quando puxado, enquanto o contrapeso (12) travará o cabo (3) quando a perna de tração (7) do cabo não está sendo tracionada.
BR9905748-4A 1999-05-28 1999-11-26 Polia com freio de emergência automático. BR9905748A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1999GE000057A IT1309146B1 (it) 1999-05-28 1999-05-28 Carrucola con freno automatico di sicurezza

Publications (1)

Publication Number Publication Date
BR9905748A true BR9905748A (pt) 2001-01-16

Family

ID=11355322

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9905748-4A BR9905748A (pt) 1999-05-28 1999-11-26 Polia com freio de emergência automático.

Country Status (6)

Country Link
US (1) US6267702B1 (pt)
AR (1) AR021270A1 (pt)
AU (1) AU763598B2 (pt)
BR (1) BR9905748A (pt)
CA (1) CA2290165C (pt)
IT (1) IT1309146B1 (pt)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050221961A1 (en) * 2004-03-08 2005-10-06 John Forcillo Exercise bicycle stability tracking system
DE102006009332B4 (de) 2006-03-01 2011-01-13 Suco Robert Scheuffele Gmbh & Co. Kg Abseilvorrichtung
CN112794227B (zh) * 2021-01-19 2022-09-09 辽宁通达建材实业有限公司 一种滑轮式按摩床钢丝绳
CN115892107B (zh) * 2022-11-02 2025-08-08 中车株洲电力机车有限公司 齿轨车驱动系统的制动结构及齿轨车

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3881361A (en) * 1973-07-13 1975-05-06 E Strohm Newell Rope pulley hoist with improved holding means
US3915268A (en) * 1974-12-16 1975-10-28 Warner Electric Brake & Clutch Clutch-brake unit
FR2318353A1 (fr) * 1975-07-18 1977-02-11 Amiot Expl Procedes Felix Perfectionnements aux tendeurs de chaines
DE2943441A1 (de) * 1979-10-26 1981-04-30 Repa Feinstanzwerk Gmbh, 7071 Alfdorf Gurtband-bremsvorrichtung fuer sicherheitsgurtsysteme
DE3039693A1 (de) * 1980-10-21 1982-04-29 Gunnar 7770 Überlingen Larsson Verfahren und vorrichtung zum herstellen von waermetauscherelementen, wie heizkoerpersegmenten, kuehlschlangen etc.
US4538703A (en) * 1982-09-30 1985-09-03 Research & Trading Corporation Climbing aid and safety descent system
US5052523A (en) * 1991-02-14 1991-10-01 Otis Elevator Company Elevator car-mounted govenor system
SE503356C2 (sv) * 1994-09-02 1996-05-28 Electrolux Ab Startapparat för förbränningsmotor

Also Published As

Publication number Publication date
ITGE990057A0 (it) 1999-05-28
CA2290165C (en) 2006-03-14
US6267702B1 (en) 2001-07-31
AU763598B2 (en) 2003-07-24
IT1309146B1 (it) 2002-01-16
AU6065999A (en) 2000-11-30
CA2290165A1 (en) 2000-11-28
ITGE990057A1 (it) 2000-11-28
AR021270A1 (es) 2002-07-03

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Legal Events

Date Code Title Description
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B11D Dismissal acc. art. 38, par 2 of ipl - failure to pay fee after grant in time