EP2266857A1 - Transportkarren der auf einer rohrförmigen Oberfläche zirkuliert - Google Patents

Transportkarren der auf einer rohrförmigen Oberfläche zirkuliert Download PDF

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Publication number
EP2266857A1
EP2266857A1 EP10166849A EP10166849A EP2266857A1 EP 2266857 A1 EP2266857 A1 EP 2266857A1 EP 10166849 A EP10166849 A EP 10166849A EP 10166849 A EP10166849 A EP 10166849A EP 2266857 A1 EP2266857 A1 EP 2266857A1
Authority
EP
European Patent Office
Prior art keywords
frame
transport trolley
trolley according
undercarriage
tubular surface
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Withdrawn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
EP10166849A
Other languages
English (en)
French (fr)
Inventor
Alain Bouvier
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.)
Prezioso Linjebygg SAS
Original Assignee
Prezioso Technilor 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
Application filed by Prezioso Technilor SAS filed Critical Prezioso Technilor SAS
Publication of EP2266857A1 publication Critical patent/EP2266857A1/de
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
    • B61B13/00—Other railway systems
    • B61B13/10—Tunnel systems
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63G—MERRY-GO-ROUNDS; SWINGS; ROCKING-HORSES; CHUTES; SWITCHBACKS; SIMILAR DEVICES FOR PUBLIC AMUSEMENT
    • A63G21/00—Chutes; Helter-skelters
    • A63G21/02—Chutes; Helter-skelters without rails
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63G—MERRY-GO-ROUNDS; SWINGS; ROCKING-HORSES; CHUTES; SWITCHBACKS; SIMILAR DEVICES FOR PUBLIC AMUSEMENT
    • A63G7/00—Up-and-down hill tracks; Switchbacks

Definitions

  • the present invention relates to a carriage for transporting in particular persons on a tubular surface.
  • the object of the invention relates more specifically to a passenger transport trolley, adapted to circulate inside or even outside a gallery, pipe or pipe in order to perform various operations such as inspection, control, repair, construction, maintenance, etc.
  • the object of the invention finds a particularly advantageous but non-limiting application for the inspection of pipes or pipes with a relatively large inclination.
  • a transport carriage comprising a chassis having a front undercarriage and a rear undercarriage each provided with rolling members such as wheels.
  • the undercarriages are pivotally mounted relative to the chassis so that the normal of the contact face between the rolling member and the tubular bearing surface is directed perpendicularly to the axis of rotation of the running gear.
  • Such a carriage is able to progress inside or outside a tubular surface.
  • the present invention therefore aims to overcome the drawbacks of the state of the art by providing a transport carriage including people, designed to move safely on a tubular surface.
  • Another object of the invention is to provide a passenger transport trolley designed to move safely on a tubular surface having a steep gradient.
  • each half-undercarriage is provided with at least one magnet arranged to delimit an air gap with the ferromagnetic tubular surface so as to form a magnetic circuit allowing the carriage to be magnetically fixed to the tubular surface.
  • each rolling member comprises a running track mounted between return wheels.
  • the transport carriage comprises, for each half-undercarriage, a spacing system of the rolling member relative to the tubular surface in order to eliminate the magnetic attachment.
  • each spacer system comprises a lever pivotally mounted and extended by a link provided with a wheel.
  • each half-frame is equipped with a seat for receiving a person.
  • each receiving seat is pivotally mounted relative to the half-frame.
  • the front and rear half-frames each comprise two longitudinal members extending parallel to one another and connected at one of their ends by a cross member, the front and rear half-frames being mounted so that the sleepers are placed close to allow the mounting of the pivot connection between the two sleepers.
  • the front half-frame includes footrests for the feet of a person, mounted at the free ends of the side members.
  • the transport trolley is motorized and comprises a drive unit controlled by a control station.
  • the object of the invention relates to a trolley 1 adapted to move on a tubular running surface 2 forming e.g. a gallery, a pipe or a pipeline.
  • the transport carriage 1 is intended to be moved inside a gallery, pipe or pipe which has a declivity forming an angle ⁇ of the order of 45 ° relative to the horizontal.
  • the transport carriage 1 moves on a concave tubular surface.
  • the transport carriage 1 can be made to move on a surface convex tubular 2 as clearly appears in the Fig. 5 .
  • the transport carriage 1 progresses on the outside of the pipe, pipe or gallery.
  • the transport carriage 1 thus normally progresses in a direction of displacement D which is substantially parallel to a generatrix of the tubular duct.
  • the transport carriage 1 comprises a front half-frame 4 assembled to a rear half-frame 5 via a pivot link 6.
  • the front and rear half-frames 4 and 5 are thus mounted one behind the other to present a longitudinal axis of symmetry X which is oriented parallel to the direction of displacement D of the transport carriage 1.
  • the pivot connection 6 is formed by means of an axis 7 carried by a half-frame, for example the half front chassis 4 and pivotally mounted inside a bearing 8 carried by the other half-frame ie the rear half-frame 5.
  • the axis 7 of the pivot link 6 extends in a parallel direction and preferably, coincides with the longitudinal axis X of the carriage.
  • the two chassis 4.5 may therefore extend in a common plane or in two planes angularly offset between them, as will be explained in the following description.
  • each half-frame 4,5 comprises two longitudinal members 9 extending parallel to each other and connected by one of their ends by a cross member 10.
  • each half-frame 4.5 thus has a general U shape.
  • the half-frames 4,5 are mounted head-to-tail so that the cross members 10 of the two half-frames are close to each other to allow the pivot connection 6 to be mounted together.
  • the beams 9 of the front half-frame 4 are oriented towards the front of the transport carriage 1 while the side members 9 belonging to the rear half-frame 5 are directed towards the rear of the transport carriage 1.
  • the two half-frame 4,5 comprise a seat 12 for receiving a person.
  • each seat 12 is pivotally mounted in a horizontal direction relative to the half-frame that supports it.
  • each seat 12 is mounted freely in rotation about a rod 14 extending transversely with respect to the longitudinal members 9. This rod 14 is carried at each of its ends, by pillars 15 fixed to the longitudinal members 9.
  • Each seat 12 can thus pivot about an axis transverse to the direction of movement of the conveying carriage 1 so as to adapt to the angle of inclination of the tubular surface of displacement 2 to allow people to maintain a sitting posture stable.
  • the seat 12 may be equipped with a locking system in a specific position of tilting, implemented in particular in the context of a displacement along a constant slope.
  • a seat 12 is fixed on the rear half-frame 5 so that the seated person can rest the feet at the cross member 10 of the rear half-frame 5.
  • a seat 12 is fixed on the half-frame 5 front frame 4 so that the person sitting on this seat can put his feet at substantially the end of the side members 9 belonging to the front half-frame 4.
  • footrests 16 are mounted at the end of these side members 9 forming part of this front half-frame 4.
  • the length of the side members 9 of the front half-frame 4 is adjustable to suit the size of the person transported.
  • the longitudinal members 9 of the front half-frame 4 comprise a telescopic end portion with respect to the other fixed part of the longitudinal members 9.
  • the transport carriage 1 also comprises 20G front left and 20D front right half-wheels mounted on the front half-frame 4 and a left-rear half-undercarriage 21G and a right-rear half-undercarriage 21D mounted on the rear half-chassis 5.
  • the half-undercarriages 20D, 20G, 21D and 21G are pivotally mounted relative to the half-frame 4,5 along pivot axes 22 directed parallel to the longitudinal axis X of the carriage.
  • the left-hand half-undercarriage 20G and the right-hand suspension 20D are arranged substantially symmetrically with respect to the longitudinal axis X of the carriage.
  • the left-rear 21G and right- 21D half-running gears are arranged symmetrically with respect to the longitudinal axis X of the transport trolley 1.
  • the front half-treads 20D and 20G are mounted substantially at the rear of the front half-frame 4, while the rear half-undercarriages 21D and 21G are also mounted at the rear of the rear half-chassis 5.
  • Each half-undercarriage 20G, 20D, 21G , 21D comprises a support 24 having an axle or an arm 25 pivotally mounted about the axis 22 in a bearing supported by a half-frame 4,5.
  • the half-undercarriages 20G, 20D, 21G and 21D each comprise at least one rolling member 26.
  • the rolling members 26 are mounted to allow the carriage to move along the axis of displacement D parallel to the longitudinal axis X of the cart.
  • each rolling member 26 is a crawler whose axis of rotation is oriented parallel to the arm 25, that is to say perpendicularly to the longitudinal axis X.
  • each crawler 26 is mounted between unrepresented return wheels mounted on the support 24.
  • these tracks 26 each comprise a tread made of any suitable materials.
  • the rolling members 26 are mounted so that the normal of the contact face between the rolling member and the tubular surface 2 is directed perpendicularly to the axis of rotation of the running member.
  • the arms 25 of the rolling members 26 of a front or rear half-undercarriage extend in a transverse plane T perpendicular to the longitudinal axis X. The rolling members 26 are thus capable of pivoting in this transverse plane T according to the radius of curvature of the tubular surface 2.
  • each half-undercarriage comprises a running member comprising a crawler.
  • each half-undercarriage can be equipped with one or more rolling members such as wheels or tracks.
  • the transport carriage 1 is equipped with a motorization unit enabling the transport carriage 1 to be moved .
  • the motorisation unit comprises at least one and in the illustrated example, four motors 28 per pneumatic example or electrical, each associated with a rolling member 26.
  • each motor 28 rotates a return wheel associated with the crawler.
  • These motors 28 are controlled by a control station not shown, but known per se.
  • the control station is piloted by one and / or the other of the persons seated on the trolley, with the help of a manual control or by the feet to allow movements of advance, of recoil, on the left and to the right of the cart.
  • the articulation 6 between the front half-frame 4 and the rear half-frame 5 allows an angular offset between the front half-frame 4 and the rear half-frame 5 making it possible to compensate for the differences that may occur when the carriage transport 1 runs parallel to a generatrix of the tubular surface 2.
  • This arrangement makes it possible to obtain a permanent contact of the rolling members 26 with the tubular surface 2 and to prevent the transport carriage 1 from overturning .
  • each half-frame 4,5 is provided with a roll bar 29 rising above the half-frame 4,5 to protect people.
  • each half-undercarriage 20D, 20G, 21D, 21G is provided with at least one and in the illustrated example, four magnets 31 arranged to delimit an air gap with the tubular surface 2 which, according to this variant, has a character ferromagnetic so as to together form a magnetic circuit.
  • the magnets 31 are mounted so as to allow the transport carriage 1 to be magnetically fixed to the tubular surface 2.
  • the magnets 31 are mounted in a housing provided in the support 24. For example, two magnets 31 are mounted end to end on each side of each caterpillar 26.
  • the transport carriage 1 comprises for each half-undercarriage 20G, 20D, 21G, 21D, a spacer system 32 of the rolling member 26 relative to the tubular surface 2 in order to remove the magnetic attachment relative to the displacement surface 2.
  • each spacer system 32 comprises a lever 33 pivotally mounted about an axis 35 carried by the support 24.
  • Each lever 33 is extended to the axis 35 by a link 36 provided with a wheel 38 intended to occupy a retracted position and a rolling position.
  • the lever 33 is lowered to allow the wheel 38 to be raised and consequently retracted relative to the rolling members 26.
  • the motorized transport carriage 1 according to the invention can safely transport people inside or outside a tubular conduit may have a steep slope. It should be noted that the transport trolley 1 according to the invention can of course be used in combination with all rope-type safety systems installed at the entrance to the pipe. The motorized trolley 1 is of course adapted to carry different materials.

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Handcart (AREA)
EP10166849A 2009-06-23 2010-06-22 Transportkarren der auf einer rohrförmigen Oberfläche zirkuliert Withdrawn EP2266857A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0954271A FR2946941B1 (fr) 2009-06-23 2009-06-23 Chariot de transport circulant sur une surface tubulaire.

Publications (1)

Publication Number Publication Date
EP2266857A1 true EP2266857A1 (de) 2010-12-29

Family

ID=41606659

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10166849A Withdrawn EP2266857A1 (de) 2009-06-23 2010-06-22 Transportkarren der auf einer rohrförmigen Oberfläche zirkuliert

Country Status (2)

Country Link
EP (1) EP2266857A1 (de)
FR (1) FR2946941B1 (de)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1580876A1 (de) * 1966-04-13 1972-03-09 Standard Elek K Lorenz Ag Fahrzeug fuer eine gleislose Rohrbahn
EP0526900A1 (de) * 1991-08-06 1993-02-10 Osaka Gas Co., Ltd. Fahrzeug zur Verwendung in Rohren
US5595121A (en) * 1994-04-15 1997-01-21 The Walt Disney Company Amusement ride and self-propelled vehicle therefor
EP1056634A1 (de) 1998-02-25 2000-12-06 Machinefabriek Brabant D. van Opstal B.V. Transportsystem

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1580876A1 (de) * 1966-04-13 1972-03-09 Standard Elek K Lorenz Ag Fahrzeug fuer eine gleislose Rohrbahn
EP0526900A1 (de) * 1991-08-06 1993-02-10 Osaka Gas Co., Ltd. Fahrzeug zur Verwendung in Rohren
US5595121A (en) * 1994-04-15 1997-01-21 The Walt Disney Company Amusement ride and self-propelled vehicle therefor
EP1056634A1 (de) 1998-02-25 2000-12-06 Machinefabriek Brabant D. van Opstal B.V. Transportsystem
EP1056634B1 (de) * 1998-02-25 2003-05-07 Machinefabriek Brabant D. van Opstal B.V. Transportsystem

Also Published As

Publication number Publication date
FR2946941A1 (fr) 2010-12-24
FR2946941B1 (fr) 2011-07-15

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