CA3059397C - Systeme de surveillance de jeu d`ecrou - Google Patents

Systeme de surveillance de jeu d`ecrou Download PDF

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Publication number
CA3059397C
CA3059397C CA3059397A CA3059397A CA3059397C CA 3059397 C CA3059397 C CA 3059397C CA 3059397 A CA3059397 A CA 3059397A CA 3059397 A CA3059397 A CA 3059397A CA 3059397 C CA3059397 C CA 3059397C
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CA
Canada
Prior art keywords
nut
traveler
sensor
gap
lifting
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.)
Active
Application number
CA3059397A
Other languages
English (en)
Other versions
CA3059397A1 (fr
Inventor
Mark Raymond Potter
Stephen Harold SCHUMACHER
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.)
Nabholz Construction Corp
Original Assignee
Nabholz Construction 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 Nabholz Construction Corp filed Critical Nabholz Construction Corp
Priority to CA3059397A priority Critical patent/CA3059397C/fr
Publication of CA3059397A1 publication Critical patent/CA3059397A1/fr
Application granted granted Critical
Publication of CA3059397C publication Critical patent/CA3059397C/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • F16H25/2015—Means specially adapted for stopping actuators in the end position; Position sensing means
    • 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
    • B66F17/00—Safety devices, e.g. for limiting or indicating lifting force
    • 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
    • B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
    • B66F7/10—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks
    • B66F7/12—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks by mechanical jacks
    • B66F7/14—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks by mechanical jacks screw operated
    • 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
    • B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
    • B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Structural Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control And Safety Of Cranes (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)

Abstract

Une colonne de levage peut fournir des performances optimisées grâce à un système despacement décrou qui mesure, de manière efficace et précise, un espacement décrou pendant des opérations de levage. Le système despacement décrou peut comporter un noyau rotatif sur lequel sont positionnés un écrou et un curseur. Lécrou peut être séparé du curseur par un espacement décrou qui est surveillé par au moins un capteur qui sétend en continu à travers lécrou pour accéder à lespacement décrou.
CA3059397A 2019-10-21 2019-10-21 Systeme de surveillance de jeu d`ecrou Active CA3059397C (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA3059397A CA3059397C (fr) 2019-10-21 2019-10-21 Systeme de surveillance de jeu d`ecrou

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA3059397A CA3059397C (fr) 2019-10-21 2019-10-21 Systeme de surveillance de jeu d`ecrou

Publications (2)

Publication Number Publication Date
CA3059397A1 CA3059397A1 (fr) 2021-04-21
CA3059397C true CA3059397C (fr) 2023-05-23

Family

ID=75584608

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3059397A Active CA3059397C (fr) 2019-10-21 2019-10-21 Systeme de surveillance de jeu d`ecrou

Country Status (1)

Country Link
CA (1) CA3059397C (fr)

Also Published As

Publication number Publication date
CA3059397A1 (fr) 2021-04-21

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