FR2336342A2 - Lifting gear overload safety device - has automatic clamping jaws for auxiliary cable and tilting supports to operate motor cut out - Google Patents

Lifting gear overload safety device - has automatic clamping jaws for auxiliary cable and tilting supports to operate motor cut out

Info

Publication number
FR2336342A2
FR2336342A2 FR7539657A FR7539657A FR2336342A2 FR 2336342 A2 FR2336342 A2 FR 2336342A2 FR 7539657 A FR7539657 A FR 7539657A FR 7539657 A FR7539657 A FR 7539657A FR 2336342 A2 FR2336342 A2 FR 2336342A2
Authority
FR
France
Prior art keywords
safety device
clamping jaws
lifting gear
cut out
auxiliary cable
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.)
Granted
Application number
FR7539657A
Other languages
French (fr)
Other versions
FR2336342B2 (en
Inventor
Francois Batreau
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
Priority to DD194161A priority Critical patent/DD125197A5/xx
Application filed by Tractel SAS filed Critical Tractel SAS
Priority to FR7539657A priority patent/FR2336342A2/en
Priority to CH968876A priority patent/CH595279A5/xx
Priority to US05/708,820 priority patent/US4106753A/en
Priority to IL50130A priority patent/IL50130A/en
Priority to LU75484A priority patent/LU75484A1/xx
Priority to AU16319/76A priority patent/AU500902B2/en
Priority to MX165684A priority patent/MX143245A/en
Priority to SE7608503A priority patent/SE406902B/en
Priority to BR7604950A priority patent/BR7604950A/en
Priority to IT25833/76A priority patent/IT1062559B/en
Priority to CA258,064A priority patent/CA1038138A/en
Priority to DE19762634116 priority patent/DE2634116A1/en
Priority to ES450287A priority patent/ES450287A1/en
Priority to AR264128A priority patent/AR211133A1/en
Priority to CS764998A priority patent/CS201035B2/en
Priority to BG7633892A priority patent/BG29277A3/en
Priority to GB31889/76A priority patent/GB1536050A/en
Priority to JP51091237A priority patent/JPS6017753B2/en
Publication of FR2336342A2 publication Critical patent/FR2336342A2/en
Application granted granted Critical
Publication of FR2336342B2 publication Critical patent/FR2336342B2/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
    • B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
    • B66B5/18—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces
    • B66B5/24—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces by acting on guide ropes or cables
    • 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
    • B66D1/54—Safety gear
    • 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

Abstract

The overload protection device is for lifting gear, with a block (1) mounted on the lifting hook and housing a set of automatically clamping jaws for an auxiliary cable passing through it. The jaws (8, 9) are mounted on two swinging arms (10, 11) suspended from supports (2) designed to tilt, on breakage of the cable, about a pivot point (01) on the block, and to operate a switch (15) to shut off the motor. A slot in the casing and a resilient buffer associated with the leverage system enables the safety device to operate in accordance with loads above and below a predetermined level and bring about a slower braking action.
FR7539657A 1975-07-30 1975-12-24 Lifting gear overload safety device - has automatic clamping jaws for auxiliary cable and tilting supports to operate motor cut out Granted FR2336342A2 (en)

Priority Applications (19)

Application Number Priority Date Filing Date Title
DD194161A DD125197A5 (en) 1975-07-30 1974-07-30
FR7539657A FR2336342A2 (en) 1975-12-24 1975-12-24 Lifting gear overload safety device - has automatic clamping jaws for auxiliary cable and tilting supports to operate motor cut out
CH968876A CH595279A5 (en) 1975-07-30 1976-07-26
US05/708,820 US4106753A (en) 1975-07-30 1976-07-26 Automatic anti-fall device for power-driven lifting machinery
IL50130A IL50130A (en) 1975-07-30 1976-07-26 Automatic anti-fall device for power-driven lifting machinery
AU16319/76A AU500902B2 (en) 1975-07-30 1976-07-28 Automatic anti-fall device
MX165684A MX143245A (en) 1975-07-30 1976-07-28 IMPROVEMENTS IN SAFETY DEVICE FOR MOTORIZED LIFTING FACILITIES IN WHICH THE LOAD IS AUTOMATICALLY TRANSFERRED IN CASE OF FALL TO A SOUTH CABLE
SE7608503A SE406902B (en) 1975-07-30 1976-07-28 AUTOMATIC DEVICE TO PREVENT FALLS IN MOTOR POWER LIFTS
LU75484A LU75484A1 (en) 1975-07-30 1976-07-28
CA258,064A CA1038138A (en) 1975-07-30 1976-07-29 Automatic antifall device for power-driven lifting machinery
BR7604950A BR7604950A (en) 1975-07-30 1976-07-29 AUTOMATIC FALL PROOF DEVICE FOR MOTORIZED LIFTING INSTALLATION
DE19762634116 DE2634116A1 (en) 1975-07-30 1976-07-29 AUTOMATIC LIFTING DEVICE FOR MOTOR OPERATED HOISTING EQUIPMENT
ES450287A ES450287A1 (en) 1975-07-30 1976-07-29 Automatic anti-fall device for power-driven lifting machinery
AR264128A AR211133A1 (en) 1975-07-30 1976-07-29 AUTOMATIC BRAKE DEVICE FOR MOTOR LIFTING INSTALLATION.
CS764998A CS201035B2 (en) 1975-07-30 1976-07-29 Automatic device against the fall for the motorized lifting device
IT25833/76A IT1062559B (en) 1975-07-30 1976-07-29 AUTOMATIC ANTI-FALL DEVICE FOR MOTORIZED LIFTING SYSTEM
BG7633892A BG29277A3 (en) 1975-07-30 1976-07-30 Automatic protektive device for motor lifting equopments
GB31889/76A GB1536050A (en) 1975-07-30 1976-07-30 Automatic anti-fall devices for power-driven lifting machinery
JP51091237A JPS6017753B2 (en) 1975-07-30 1976-07-30 Automatic fall protection device for power-driven elevators

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7539657A FR2336342A2 (en) 1975-12-24 1975-12-24 Lifting gear overload safety device - has automatic clamping jaws for auxiliary cable and tilting supports to operate motor cut out

Publications (2)

Publication Number Publication Date
FR2336342A2 true FR2336342A2 (en) 1977-07-22
FR2336342B2 FR2336342B2 (en) 1979-03-09

Family

ID=9164138

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7539657A Granted FR2336342A2 (en) 1975-07-30 1975-12-24 Lifting gear overload safety device - has automatic clamping jaws for auxiliary cable and tilting supports to operate motor cut out

Country Status (1)

Country Link
FR (1) FR2336342A2 (en)

Also Published As

Publication number Publication date
FR2336342B2 (en) 1979-03-09

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