EP2900588A1 - A suspendable vehicle - Google Patents

A suspendable vehicle

Info

Publication number
EP2900588A1
EP2900588A1 EP13771231.1A EP13771231A EP2900588A1 EP 2900588 A1 EP2900588 A1 EP 2900588A1 EP 13771231 A EP13771231 A EP 13771231A EP 2900588 A1 EP2900588 A1 EP 2900588A1
Authority
EP
European Patent Office
Prior art keywords
car
cage
vehicle
winches
suspendable
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Withdrawn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
EP13771231.1A
Other languages
German (de)
French (fr)
Inventor
Jan Zwagerman
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.)
J Zwagerman International BV
Original Assignee
J Zwagerman International BV
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 J Zwagerman International BV filed Critical J Zwagerman International BV
Publication of EP2900588A1 publication Critical patent/EP2900588A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
    • 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
    • B66F17/006—Safety devices, e.g. for limiting or indicating lifting force for working platforms
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
    • E04G3/28—Mobile scaffolds; Scaffolds with mobile platforms
    • E04G3/30—Mobile scaffolds; Scaffolds with mobile platforms suspended by flexible supporting elements, e.g. cables
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
    • E04G3/28—Mobile scaffolds; Scaffolds with mobile platforms
    • E04G3/30—Mobile scaffolds; Scaffolds with mobile platforms suspended by flexible supporting elements, e.g. cables
    • E04G3/32—Hoisting devices; Safety devices
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
    • E04G3/28—Mobile scaffolds; Scaffolds with mobile platforms
    • E04G2003/286—Mobile scaffolds; Scaffolds with mobile platforms mobile vertically

Definitions

  • the invention relates to a suspendable vehicle comprising a car or cage suitable for carrying one or more persons and provided with attaching means for attaching the vehicle to a hoist or aerial runway.
  • suspendable vehicles are known to a person of skill in the art and are known from practice. They include, for example, cages for use in construction work that may be suspended from hoists such as cranes, lifts (also known as elevators) . They are also applied for transport of people with cable cars, ski lifts, etc.
  • car or cage is used loosely to refer to any container, enclosed or open, that is suitable for carrying one or more persons.
  • Attaching means are any means that make it possible for the car or cage to be suspended.
  • the attaching means may be, for example, one or more hooks or shackles.
  • more complicated attaching means may be preferable.
  • suspendable vehicles in an emergency such as in the event of failure of a mechanism for moving the car or cage, persons being carried in the suspendable vehicle are unable to exit therefrom until the mechanism is repaired or until additional equipment has been brought for their rescue.
  • EP-1 149 749 teaches a rescue system for a cable car having separate rescue tracks on each side of a main track of the cable car.
  • a rescue car is movable along one of the rescue tracks and has a control platform suspended from the concerning rescue track by a pendent support.
  • the rescue car has a rescue cabin suspended from the control platform by adjustable winches mounted on the control platform. This enables rescue personnel on the control platform to operate the winches for positioning the rescue cabin alongside a stranded cable car to transfer the stranded passengers via a drop down bridge.
  • a disadvantage of this known system is that it requires considerable investments for the rescue tracks on each side of the main track and the control platforms and rescue cars suspended from the rescue tracks; persons being stuck in the stranded cable car are una- ble to exit the car without outside help; and it requires the help of specialized rescue personnel on the control platform suspended from the rescue track to have the stranded persons rescued.
  • the invention in a first aspect, relates to a suspendable vehicle comprising a car or cage suitable for carrying one or more persons, and provided with attaching means for attaching the vehicle to a hoist or aerial runway wherein the car or cage comprises an upper portion and a lower portion wherein the upper and lower portions are separable and are arranged such that the lower portion may be lowered from the upper portion, wherein the lower portion of the car or cage is provided with one or more backup winches attached by means of one or more cables and/or chains to the upper portion.
  • the term "backup" is used since it is in addition to any winch that is involved in the normal operation of the suspendable vehicle.
  • the upper portion is a part of the car or cage such as a frame or part of a frame thereof from which the lower part may be lowered.
  • the lower portion comprises at least a base of the car or cage upon which the one or more persons are being carried.
  • the car or cage comprising an upper portion and a lower portion wherein the upper and lower portions are separable and are arranged such that the lower portion may be lowered from the upper portion by using the one or more backup winches that are provided in the lower portion are that the rescue operation can be performed by the persons themselves that are actually being carried in the car or cage.
  • the persons being carried in the car or cage do not require external help in the event of breakdown of the mechanism for moving the car or cage.
  • the winch' or winches that are mounted on the lower portion of the car or cage is/are embodied as a spool provided with a hand crank such that the cable or chain can be reeled onto or off of the spool.
  • a spool with a hand crank is an effective and reliable means for lowering and/or raising the car or cage in a controlled way.
  • the winches are powered by the main powerline of the suspendable vehicle.
  • the one or more backup winches are (a) manual winches, or (b) battery-powered winches. Such are advantageous in the event of a power failure.
  • the one or more backup winches preferably comprise one or more ratchet mechanisms for preventing uncontrolled descend of the car or cage.
  • the suspendable vehicle further comprises locking means for reversibly locking the upper and lower portions to each other, arranged so as to be actuable by person (s) being carried in the car or cage.
  • the locking means are preferably configured such that the lower portion must first be raised towards the upper portion before said locking means may be actuated. Such prevents accidental or unintentional separation of the upper and lower portions .
  • -figure 1 shows an isometric schematic view of an exemplary embodiment of a suspendable vehicle according to the invention.
  • FIG. 1 provides a clear view of a typical man rid- ing bucket 1 as is used in the construction industry.
  • This vehicle 1 is suspendable and comprises a cage 2 suitable for car rying several persons.
  • the cage is in the conventional way pro vided with attaching means for attaching the vehicle to a crane; since this is entirely known for the skilled person, this is not further shown in the drawing.
  • the cage 2 comprises an upper portion 4 and a lower portion 5 wherein the upper and lower portions 4, 5 are separable and are arranged such that the lower portion 5 may be lowered from the upper portion 4.
  • the upper portion 4 is for instance embodied as a rectangular construction . that in normal use forms a roof over the lower portion 5.
  • the lower portion 5 is embodied as an open cage and platform.
  • Figure 2 shows that two manual backup winches 6 are provided on the sides of the lower portion 5 of the cage attached by means of cables 9 to the upper portion 4.
  • the manual backup winches 6 comprise a ratchet mechanism 7 for preventing uncontrolled descend .
  • the suspendable vehicle 1 further comprises locking means 8 for reversibly locking the upper and lower portions 4, 5 to each other, arranged so as to be actuable by person (s) be ing carried in the car or cage.
  • the locking means 8 are prefer ably configured such that the lower portion 5 must first be raised towards the upper portion 4 before said locking means may be actuated.
  • the locking means may be embodied as interlocking brackets that are secured together using removable bolts. The bolt can only be removed when the lower portion 5 has been raised by a small distance of about a cm towards the upper portion 4. This is achieved using the winch.
  • a manual winch 6 as used in this preferred embodiment is particularly advantageous since even in the event of a loss of power, persons being carried in the suspendable vehicle 1 may on their own motion descend to the ground.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Civil Engineering (AREA)
  • Load-Engaging Elements For Cranes (AREA)

Abstract

A suspendable vehicle (1) comprising a car or cage (2) suitable for carrying one or more persons, provided with attaching means (3) for attaching the vehicle to a hoist or aerial runway, wherein the car or cage (2) comprises an upper portion (4) and a lower portion (5) and the upper and lower portions (4, 5) are separable and are arranged such that the lower portion (5) may be lowered from the upper portion (4), wherein one or more backup winches (6) are pro- vided on the lower portion (5) of the car or cage (2) and at- tached by means of one or more cables and/or chains (9) to the upper portion (4).

Description

A suspendable vehicle
The invention relates to a suspendable vehicle comprising a car or cage suitable for carrying one or more persons and provided with attaching means for attaching the vehicle to a hoist or aerial runway.
Many examples of such suspendable vehicles are known to a person of skill in the art and are known from practice. They include, for example, cages for use in construction work that may be suspended from hoists such as cranes, lifts (also known as elevators) . They are also applied for transport of people with cable cars, ski lifts, etc.
The term "car or cage" is used loosely to refer to any container, enclosed or open, that is suitable for carrying one or more persons.
Attaching means are any means that make it possible for the car or cage to be suspended. In simple embodiments of the invention, the attaching means may be, for example, one or more hooks or shackles. In other embodiments such as with a cable car, more complicated attaching means may be preferable.
A disadvantage of such suspendable vehicles is that in an emergency such as in the event of failure of a mechanism for moving the car or cage, persons being carried in the suspendable vehicle are unable to exit therefrom until the mechanism is repaired or until additional equipment has been brought for their rescue.
EP-1 149 749 teaches a rescue system for a cable car having separate rescue tracks on each side of a main track of the cable car. A rescue car is movable along one of the rescue tracks and has a control platform suspended from the concerning rescue track by a pendent support. The rescue car has a rescue cabin suspended from the control platform by adjustable winches mounted on the control platform. This enables rescue personnel on the control platform to operate the winches for positioning the rescue cabin alongside a stranded cable car to transfer the stranded passengers via a drop down bridge. A disadvantage of this known system is that it requires considerable investments for the rescue tracks on each side of the main track and the control platforms and rescue cars suspended from the rescue tracks; persons being stuck in the stranded cable car are una- ble to exit the car without outside help; and it requires the help of specialized rescue personnel on the control platform suspended from the rescue track to have the stranded persons rescued.
It is an object of the present invention to provide a suspendable vehicle that overcomes one or more problems of the suspendable vehicles of the prior art.
In a first aspect, the invention relates to a suspendable vehicle comprising a car or cage suitable for carrying one or more persons, and provided with attaching means for attaching the vehicle to a hoist or aerial runway wherein the car or cage comprises an upper portion and a lower portion wherein the upper and lower portions are separable and are arranged such that the lower portion may be lowered from the upper portion, wherein the lower portion of the car or cage is provided with one or more backup winches attached by means of one or more cables and/or chains to the upper portion. The term "backup" is used since it is in addition to any winch that is involved in the normal operation of the suspendable vehicle. The upper portion is a part of the car or cage such as a frame or part of a frame thereof from which the lower part may be lowered. The lower portion comprises at least a base of the car or cage upon which the one or more persons are being carried.
Advantages of the car or cage comprising an upper portion and a lower portion wherein the upper and lower portions are separable and are arranged such that the lower portion may be lowered from the upper portion by using the one or more backup winches that are provided in the lower portion are that the rescue operation can be performed by the persons themselves that are actually being carried in the car or cage. Thus the persons being carried in the car or cage do not require external help in the event of breakdown of the mechanism for moving the car or cage. In the event of an emergency such as outlined above persons being carried in the car or cage can return to the ground on their own motion and without having to rely on the mechanism used for moving the car or cage, and without the need to resort to the use of additional cranes or other equip¬ ment to rescue the people that are caught in the malfunctioning hoist or runway of the car or cage. Also the investments required for the suspendable vehicle system of the invention re- mains at a restricted level by avoiding the additional rescue tracks on each side of the main track and the control platforms and rescue cars suspended from the rescue tracks that are required in the prior art .
In its simplest embodiment, the winch' or winches that are mounted on the lower portion of the car or cage is/are embodied as a spool provided with a hand crank such that the cable or chain can be reeled onto or off of the spool. Such a spool with a hand crank is an effective and reliable means for lowering and/or raising the car or cage in a controlled way.
It is possible that the winches are powered by the main powerline of the suspendable vehicle. Preferably however the one or more backup winches are (a) manual winches, or (b) battery-powered winches. Such are advantageous in the event of a power failure.
Furthermore, the one or more backup winches preferably comprise one or more ratchet mechanisms for preventing uncontrolled descend of the car or cage.
In a further preferred embodiment, the suspendable vehicle further comprises locking means for reversibly locking the upper and lower portions to each other, arranged so as to be actuable by person (s) being carried in the car or cage.
The locking means are preferably configured such that the lower portion must first be raised towards the upper portion before said locking means may be actuated. Such prevents accidental or unintentional separation of the upper and lower portions .
The invention will hereafter be further elucidated with reference to the drawing of Figures 1, 2 and 3. The drawing is provided as an example only and should not be considered limiting of the invention.
In the drawing:
-figure 1 shows an isometric schematic view of an exemplary embodiment of a suspendable vehicle according to the invention; and
-figures 2 and 3 show front- and side-views respectively of the suspendable vehicle shown in figure 1.
Whenever in the figures the same reference numerals are applied, these numerals refer to the same parts.
Figure 1 provides a clear view of a typical man rid- ing bucket 1 as is used in the construction industry. This vehicle 1 is suspendable and comprises a cage 2 suitable for car rying several persons. The cage is in the conventional way pro vided with attaching means for attaching the vehicle to a crane; since this is entirely known for the skilled person, this is not further shown in the drawing.
As is shown in figures 2 and 3 the cage 2 comprises an upper portion 4 and a lower portion 5 wherein the upper and lower portions 4, 5 are separable and are arranged such that the lower portion 5 may be lowered from the upper portion 4. The upper portion 4 is for instance embodied as a rectangular construction . that in normal use forms a roof over the lower portion 5. The lower portion 5 is embodied as an open cage and platform.
Figure 2 shows that two manual backup winches 6 are provided on the sides of the lower portion 5 of the cage attached by means of cables 9 to the upper portion 4. Of course the number of winches can be varied. The manual backup winches 6 comprise a ratchet mechanism 7 for preventing uncontrolled descend .
The suspendable vehicle 1 further comprises locking means 8 for reversibly locking the upper and lower portions 4, 5 to each other, arranged so as to be actuable by person (s) be ing carried in the car or cage. The locking means 8 are prefer ably configured such that the lower portion 5 must first be raised towards the upper portion 4 before said locking means may be actuated. The locking means may be embodied as interlocking brackets that are secured together using removable bolts. The bolt can only be removed when the lower portion 5 has been raised by a small distance of about a cm towards the upper portion 4. This is achieved using the winch. A manual winch 6 as used in this preferred embodiment is particularly advantageous since even in the event of a loss of power, persons being carried in the suspendable vehicle 1 may on their own motion descend to the ground.

Claims

1. A suspendable vehicle (1) comprising a car or cage (2) suitable for carrying one or more persons, provided with attaching means (3) for attaching the vehicle to a hoist or aerial runway, wherein the car or cage (2) comprises an upper portion (4) and a lower portion (5) and the upper and lower portions (4, 5) are separable and are arranged such that the lower portion (5) may be lowered from the upper portion (4), characterised in that one or more backup winches (6) are provided on the lower portion (5) of the car or cage (2) and attached by means of one or more cables and/or chains (9) to the upper portion (4).
2. A suspendable vehicle (1) according to claim 1, characterised in that the one or more backup winches (6) are arranged so as to be controllable by persons being carried in the car or cage (2) .
3. A suspendable vehicle (1) according to claim 1 or 2, characterised in that the one or more backup winches (6) are (a) manual winches, or (b) battery-powered winches.
4. A suspendable vehicle (1) according to one or more of claims 1-3, characterised in that the one or more backup winches (6) comprise one or more ratchet mechanisms (7) for preventing uncontrolled descend.
5. A suspendable vehicle (1) according to one or more of the preceding claims characterised in that the suspendable vehicle (1) further comprises locking means (8) for reversibly locking the upper and lower portions (4, 5) to each other, arranged so as to be actuable by person (s) being carried in the car or cage (2 ) .
6. A suspendable vehicle (1) according to claim 5, characterised in that the locking means (8) are configured such that the lower portion (5) must first be raised towards the upper portion (4) before said locking means (8) may be actuated.
EP13771231.1A 2012-09-27 2013-09-23 A suspendable vehicle Withdrawn EP2900588A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL2009524A NL2009524C2 (en) 2012-09-27 2012-09-27 A suspendable vehicle.
PCT/NL2013/050681 WO2014051424A1 (en) 2012-09-27 2013-09-23 A suspendable vehicle

Publications (1)

Publication Number Publication Date
EP2900588A1 true EP2900588A1 (en) 2015-08-05

Family

ID=47360254

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13771231.1A Withdrawn EP2900588A1 (en) 2012-09-27 2013-09-23 A suspendable vehicle

Country Status (3)

Country Link
EP (1) EP2900588A1 (en)
NL (1) NL2009524C2 (en)
WO (1) WO2014051424A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2552222A (en) * 2016-07-15 2018-01-17 Apollo Cradles Ltd Mobile suspended platform apparatus

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108487623A (en) * 2018-03-30 2018-09-04 王宏伟 A kind of building safety device cage
CN109336021B (en) * 2018-10-10 2020-05-05 温州益蓉机械有限公司 Automatic lifting rope hanging device capable of being locked instantly by utilizing rapid friction heat generation
CN109356373B (en) * 2018-10-30 2021-03-26 安徽明诚建设项目管理有限公司 Snapping protection device for hanging basket transmission of constructional engineering equipment
CN111779288B (en) * 2020-07-16 2021-10-26 安徽滁鑫市政工程有限公司 Hanging flower basket is used in building engineering construction
CN113027109A (en) * 2021-03-25 2021-06-25 安徽建筑大学城市建设学院 Hanging basket lifting device for building exterior wall reconstruction
CN113585706A (en) * 2021-08-09 2021-11-02 沛县汉之源文化旅游建设开发有限公司 Novel basket for multi-use architecture construction

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Publication number Priority date Publication date Assignee Title
US1655562A (en) * 1926-12-31 1928-01-10 Powers Michael Scaffold hanger
BE572531A (en) * 1957-10-31
EP1149749A1 (en) * 2000-04-28 2001-10-31 High Technology Investments B.V. Rescue cabin and emergency rope railway
US20080087497A1 (en) * 2006-10-13 2008-04-17 Sky Climber Access Solutions, Llc Suspended work platform with an integrated rescue system and a method for rescuing a worker

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2014051424A1 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2552222A (en) * 2016-07-15 2018-01-17 Apollo Cradles Ltd Mobile suspended platform apparatus
GB2552222B (en) * 2016-07-15 2019-09-18 Apollo Cradles Ltd Mobile suspended platform apparatus

Also Published As

Publication number Publication date
WO2014051424A1 (en) 2014-04-03
NL2009524C2 (en) 2014-03-31

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