FR2664253A1 - Cric a vis actionne electriquement. - Google Patents

Cric a vis actionne electriquement. Download PDF

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Publication number
FR2664253A1
FR2664253A1 FR9107737A FR9107737A FR2664253A1 FR 2664253 A1 FR2664253 A1 FR 2664253A1 FR 9107737 A FR9107737 A FR 9107737A FR 9107737 A FR9107737 A FR 9107737A FR 2664253 A1 FR2664253 A1 FR 2664253A1
Authority
FR
France
Prior art keywords
sap
uap
sla
lnb
servo
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
FR9107737A
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English (en)
Other versions
FR2664253B3 (fr
Inventor
Dae-Soo Byun
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.)
B and L Corp
Original Assignee
B and L Corp
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 B and L Corp filed Critical B and L Corp
Publication of FR2664253A1 publication Critical patent/FR2664253A1/fr
Application granted granted Critical
Publication of FR2664253B3 publication Critical patent/FR2664253B3/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S9/00—Ground-engaging vehicle fittings for supporting, lifting, or manoeuvring the vehicle, wholly or in part, e.g. built-in jacks
    • B60S9/02—Ground-engaging vehicle fittings for supporting, lifting, or manoeuvring the vehicle, wholly or in part, e.g. built-in jacks for only lifting or supporting
    • B60S9/04—Ground-engaging vehicle fittings for supporting, lifting, or manoeuvring the vehicle, wholly or in part, e.g. built-in jacks for only lifting or supporting mechanically
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
    • F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
    • F16H25/20—Screw mechanisms
    • F16H25/2021—Screw mechanisms with means for avoiding overloading
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
    • B66F3/08—Devices, e.g. jacks, adapted for uninterrupted lifting of loads screw operated
    • B66F3/20—Devices, e.g. jacks, adapted for uninterrupted lifting of loads screw operated actuated through multiple or change-speed gearings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
    • B66F3/44—Devices, e.g. jacks, adapted for uninterrupted lifting of loads with self-contained electric driving motors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
    • F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
    • F16H25/20—Screw mechanisms
    • F16H25/2056—Telescopic screws with at least three screw members in coaxial arrangement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
    • F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
    • F16H25/20—Screw mechanisms
    • F16H2025/2062—Arrangements for driving the actuator
    • F16H2025/2081—Parallel arrangement of drive motor to screw axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
    • F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
    • F16H25/20—Screw mechanisms
    • F16H2025/2062—Arrangements for driving the actuator
    • F16H2025/2087—Arrangements for driving the actuator using planetary gears

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Structural Engineering (AREA)
  • Retarders (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)

Abstract

L'invention concerne un cric à vis actionné électriquement qui comporte une base de support (7), un carter (4), un corps de cric (1), un organe de levage (2) logé dans ce dernier, un servomoteur (3) renfermé dans le carter, un train d'engrenages réducteurs comprenant des premiers et seconds jeux d'engrenages planétaires et un cylindre formant roue dentée solaire, pour transmettre une puissance d'entraînement du servomoteur à l'organe de levage, et un dispositif de sécurité muni d'un disque d'embrayage (31), d'un ressort d'embrayage (32) et d'un manchon (33). Un axe à tête carrée (16) destiné à être actionné manuellement est également prévu. Cette conception permet d'augmenter la puissance d'entraînement du servomoteur et d'éviter une défaillance brusque de celui-ci et du mécanisme de transmission de puissance en cas de surcharge du cric.

Description

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FR9107737A 1990-06-28 1991-06-24 Cric a vis actionne electriquement. Expired - Fee Related FR2664253B3 (fr)

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EP0594378A1 (fr) * 1992-10-21 1994-04-27 Stryker Corporation Elévateur à vis pour lit d'hôpital

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JPH10244881A (ja) * 1997-03-05 1998-09-14 Suzuki Motor Corp ボックス用リッド構造
US6241214B1 (en) * 1998-09-18 2001-06-05 Elephant Chain Block Co., Ltd. Structure supporting apparatus
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KR100401418B1 (ko) * 2001-05-18 2003-10-22 제갈희 자동차 승강용 전동잭
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Also Published As

Publication number Publication date
GB9114015D0 (en) 1991-08-14
KR920000635U (ko) 1992-01-27
US5118082A (en) 1992-06-02
FR2664253B3 (fr) 1992-12-18
CA2043808A1 (fr) 1991-12-29
GB2245539B (en) 1994-04-06
JPH0614189U (ja) 1994-02-22
GB2245539A (en) 1992-01-08
KR920005683Y1 (ko) 1992-08-20
DE9108015U1 (fr) 1991-12-19
JPH0646937Y2 (ja) 1994-11-30

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