WO2002030727A1 - Work cart for temporary cableway and a method for use of such work cart - Google Patents
Work cart for temporary cableway and a method for use of such work cart Download PDFInfo
- Publication number
- WO2002030727A1 WO2002030727A1 PCT/NO2001/000414 NO0100414W WO0230727A1 WO 2002030727 A1 WO2002030727 A1 WO 2002030727A1 NO 0100414 W NO0100414 W NO 0100414W WO 0230727 A1 WO0230727 A1 WO 0230727A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- track
- cable
- vehicle
- cables
- wheel
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
- B61B7/00—Rope railway systems with suspended flexible tracks
- B61B7/02—Rope railway systems with suspended flexible tracks with separate haulage cables
Definitions
- This invention relates to a vehicle to be mounted on a cable line comprising at least two cables, and a system comprising this, and a method for application of such a vehicle on a track line.
- Prior Art It is known to apply hanging scaffolding, suspended from wires and which may be moved vertically along walls, used for installation, painting and maintenance works.
- the known scaffolding may, however, neither be used under overhanging projections, nor along the underside of bridges and the underside of platform decks.
- Vehicle with a trolley running on a track cable such as for example a guy line or of mountain lift type having gondolas on a rail cable with a separate pull wire, is also known. It is further known to provide the rail cables for the gondolas with intermediate supports, consisting of cable supports mounted on poles in order to reduce the free lengths, thereby reducing sagging of the track cables.
- intermediate supports consisting of cable supports mounted on poles in order to reduce the free lengths, thereby reducing sagging of the track cables.
- the object of the present invention is to provide a more simple solution which is independent of scaffolding, and providing a system which permits work to be performed on the underside of or between large structures.
- the invention relates to a vehicle to be installed on a track line, and a cable vehicle system for movement of such vehicle, as further defined in the enclosed claims.
- Figure 1 is an illustration in perspective of a vehicle according to the invention, suspended from temporary track cables which are installed on the underside of e.g. a deck on an oil platform.
- Figure 2 is a side view of the vehicle suspended from an inclined track cable.
- Figure 3 is an end view in perspective of the vehicle, seen along the its platform deck and seen along the track cables.
- Figure 4a, b and c show various side views of a vehicle according to alternative embodiments of the invention.
- Figure 5 illustrates a separately installed safety equipment comprising safety wires and corresponding safety harness, as safety against dropping, functioning independent of the present invention.
- Figure 6 illustrates a cradle compensating for support of the vehicle on inclined track cables.
- Figure 7 illustrates a wheel support or a trolley running with its wheels on the track cables.
- Figure 8a, b and c shows a wheel support passing over a wire support which is fixed by an intermediate anchorage. The arrow shows the direction of motion.
- Figure 9a and b show alternative embodiments of the wheel support .
- Figure 10 shows a view and a partly section of an intermediate anchorage, seen in direction of the wire .
- Figure 10b is a perspective view of a track cable system suspended from the underside of horizontal surface under a structure or a construction , with associated safety lines and access route.
- the overhanging structure or construction is for the sake of clarity not shown.
- Figure 11 is a perspective view of an operator operating a driving means according to a preferred embodiment of the invention.
- Figure 12 is a perspective view of a vehicle and its wire pulling system according to a preferred embodiment of the invention. For the sake of clarity, both the overhanging structure and the track cables are not shown.
- Figure 13 is a top view of the vehicle according to a preferred embodiment of the invention.
- Figure 14 is a top view of a vehicle equipped with an alternative driving means according to the invention.
- Figure 15a, b, c and d illustrate different alternative embodiments of the invention of working platforms assembled with different width, orientation and having varying heights.
- Figure 16a, b and c illustrate a method for sidewise transfer of the vehicle according to the invention.
- Figure 1 illustrates a cable vehicle 1 suspended from a track line system comprising at least two cables 2 via a support comprising two wheel supports.
- Figure 2 is a side view of a vehicle according to a preferred embodiment of the invention where each of the wheel supports 3 are fixed directly or indirectly on poles or columns 14 which preferably are arranged at the corners of the working platform 16 on the vehicle.
- the poles 14 are equipped with struts 15 in order to provide a secure and stable connection between the working platform 16 and the poles 14.
- the struts 15 may be fixed directly to the poles 14 or on horizontal brazings fixed to the poles 14 by means of scaffolding couplings, extending between the platform and the wheel support .
- the vehicle 1 may be ajusted to a situation where the two parallel extending cables 2 are inclined. This is achieved according to a preferred embodiment by allowing each of the wheel supports 2 to be pivotally arranged on a horizontal axis 9 of a centre bolt in a cradle 21 close to the middle 21 of an upper girder 20 which is mounted in the direction of the wires 2 on the poles 14, on both sides of the platform.
- a means 8 for adjusting the height or the platform 16 is shown by means of a chain hoist 8 arranged between each of the upper girders 20 or an ear on the lower edge of the cradle 21 and the platform 16.
- the operator may in addition compensate for difference in height between the two cables 2, so that the vehicle may be kept in a horizontal position.
- Different embodiments of the means 8 for adjusting the height will be described below, referring to Figures 4a, b and c.
- the platform 16 may be of a type as disclosed on Figure 3, for instance comprising a plate braced by means of a truss work in order to give the operator 4, for instance a maintenance operator, a stable and secure work station.
- the platform 16 comprises a plate, e.g. with the dimensions 1500 mm x 800 mm, and welded in a between the bottom and the top of a rectangular frame with corresponding outer dimensions and a height of 350 mm, so that the rectangular frame constitute a skirting around the entire platform.
- the platform is hinged at the lower
- the means 6 for moving the vehicle comprises two crank winches which are connected with separate pull wires or lines 7, fixes at separate points of connection, in order to pull the vehicle 1 forward.
- Figure 14 shows the vehicle connected to a separate pull wire 7 and the driving means 6 may be a winch on the vehicle, for example an air driven winch.
- the driving means may be a remotely operated means, pulling the vehicle by means of a pull wire 7 from the point of suspension.
- a corresponding driving means may of course be arranged behind the vehicle in order to make it possible to drive the vehicle both ways.
- the wheel support 3 may be equipped with motors for moving the vehicle along the cables . In such case the vehicle must be provided with a power supply (not shown) .
- crank winches 6 there are, due to stability requirements of the vehicle, arranged two crank winches 6, each connected to a separate pull wire or pull rope/line 7, running in parallel with the track cables 2 of the construction which comprises an end fixture for the guidance wire 2 and running twice around the drum of the crank winch and running back along the track cables 2 and are fixed to the end of the wheel support 3 as further shown on Figure 7.
- the other end of the pull wire 7 extends to the corresponding winch drum at the opposite fixture for the track cable 2 and back via a yoke 24 on the platform 16 and under the platform 16, back to the crank winch 6.
- the crank winch 6 is according to the preferred embodiments of the invention movably arranged by means of a horizontally arranged pivoted support structure 6' , pivotally arranged on the shaft of the cradle 9 and, shown ⁇ ⁇ CO to H H
- Figure shows in addition a longitudinally extending cable for the safety system, also shown on Figure 1.
- the ends of the cables may preferably be fixed at areas equipped with separate access nets with a separate safety cable 5', scaffolding or a safe haven where the operators may enter or leave the platform in a safe manner, and to connect or disconnect the personal safety means onto or from the safety wires 5.
- Figure 10 shows an embodiment of an intermediate anchorage 10.
- the intermediate anchorage comprises a cable support 11, fixed to the cable in any known manner.
- the main part of the intermediate anchorage is given a ark shaped form, enabling the track guides to be kept in a position straight below the point of anchorage 13 and with the track cable on the upper side of the cable support 11, so that the wheels 12 on the wheel support 3 may roll unaffected over the cable support.
- a horizontal shaft 18 is fitted in a reinforced horizontal casing at the lower end of the main part of the intermediate anchorage. The shaft 18 runs through the casing and the bow shaped main part 19, and supports a ball bearing 17 and further the cable support 11, so that the entire wheel support 3 with its side plates 3A and 3B may pass over the cable support 11 and the cable 2.
- the ball bearing may be substituted by a roller bearing or slide bearing.
- the ball bearing is designed to support the wheel support 3 and relieve the cable 2 when the wheel support 3 passes over the intermediate anchorage 10.
- the wheel support comprises two substantially horizontal side plates 3A and 3B, where one side plate 3B is equipped with a straight or substantially straight lower edge 23, intended to run over the ball bearing 17.
- the side plate 3B is intended to run over the ball bearing 17. I such way the ball bearing 17 relieves the cable 2 and the wheels 12 when passing. Thus, unnecessary bending of the cable 2 over the cable support 11 is avoided.
- Ball bearing inner ball bearing
- Roller bearing, slide bearing mounted on the shaft 18 in order to support the outer wheel support plate 3B.
- 8 Horizontal shaft on which the ball bearing 17 is mounted 9 Main support of the intermediate anchorage 10 with the wire support 11 at its upper end and the horizontal shaft 18, arranged below the track cable/wire 2.
- Upper girder intended to support the wheel support 3 on a cradle 21 with shaft 9 and to support the poles/columns 14.
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Handcart (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
- Flexible Shafts (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2002211106A AU2002211106A1 (en) | 2000-10-11 | 2001-10-11 | Work cart for temporary cableway and a method for use of such work cart |
GB0305807A GB2383023B (en) | 2000-10-11 | 2001-10-11 | Work cart for temporary cableway and a method for use of such work cart |
US10/381,892 US20040050286A1 (en) | 2000-10-11 | 2001-10-11 | Work cart for temporary cableway and a method for use of such work cart |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NO20005122A NO318380B1 (en) | 2000-10-11 | 2000-10-11 | Cable car and casing system as well as method for using cable car |
NO20005122 | 2000-10-11 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2002030727A1 true WO2002030727A1 (en) | 2002-04-18 |
WO2002030727A8 WO2002030727A8 (en) | 2003-06-26 |
Family
ID=19911675
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/NO2001/000414 WO2002030727A1 (en) | 2000-10-11 | 2001-10-11 | Work cart for temporary cableway and a method for use of such work cart |
Country Status (5)
Country | Link |
---|---|
US (1) | US20040050286A1 (en) |
AU (1) | AU2002211106A1 (en) |
GB (1) | GB2383023B (en) |
NO (1) | NO318380B1 (en) |
WO (1) | WO2002030727A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ITUA20161871A1 (en) * | 2016-03-21 | 2017-09-21 | New Mascherpa S R L | Strainer for maintenance of a high voltage power line isolator and relative mounting method |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8353222B2 (en) * | 2010-06-09 | 2013-01-15 | Alliant Techsystems Inc. | Force measuring device and related methods |
JP6448296B2 (en) * | 2014-10-19 | 2019-01-09 | 上田技研産業株式会社 | Rail construction trolley and rail construction method using the same |
US10065660B2 (en) * | 2016-07-07 | 2018-09-04 | Andrew W. Mosher | Dual cable zipline trolley transfer system |
CN109501814B (en) * | 2018-11-15 | 2024-06-04 | 浙江大学山东工业技术研究院 | Tunnel inspection robot |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4473011A (en) * | 1981-03-14 | 1984-09-25 | Phb Weserhutte Ag | Circulating aerial ropeway and car therefor |
EP0692418A1 (en) * | 1994-07-14 | 1996-01-17 | HOELZL COSTRUZIONE FUNIVIE s.r.l. | Driving system for cableway installations of the type including carrying cables and hauling cables |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4163480A (en) * | 1978-02-21 | 1979-08-07 | Highland Stanley E | Line travelling skips |
FR2572698B1 (en) * | 1984-11-02 | 1988-05-13 | Creissels Denis | MULTICABLE CABLE CAR OR CABLE CAR |
US5224426A (en) * | 1991-11-13 | 1993-07-06 | Cablecam Systems Ltd. | Aerial cableway and method for filming subjects in motion |
-
2000
- 2000-10-11 NO NO20005122A patent/NO318380B1/en not_active IP Right Cessation
-
2001
- 2001-10-11 AU AU2002211106A patent/AU2002211106A1/en not_active Abandoned
- 2001-10-11 GB GB0305807A patent/GB2383023B/en not_active Expired - Fee Related
- 2001-10-11 US US10/381,892 patent/US20040050286A1/en not_active Abandoned
- 2001-10-11 WO PCT/NO2001/000414 patent/WO2002030727A1/en active Application Filing
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4473011A (en) * | 1981-03-14 | 1984-09-25 | Phb Weserhutte Ag | Circulating aerial ropeway and car therefor |
EP0692418A1 (en) * | 1994-07-14 | 1996-01-17 | HOELZL COSTRUZIONE FUNIVIE s.r.l. | Driving system for cableway installations of the type including carrying cables and hauling cables |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ITUA20161871A1 (en) * | 2016-03-21 | 2017-09-21 | New Mascherpa S R L | Strainer for maintenance of a high voltage power line isolator and relative mounting method |
Also Published As
Publication number | Publication date |
---|---|
NO20005122L (en) | 2002-04-12 |
GB2383023B (en) | 2004-06-02 |
WO2002030727A8 (en) | 2003-06-26 |
AU2002211106A1 (en) | 2002-04-22 |
GB0305807D0 (en) | 2003-04-16 |
GB2383023A (en) | 2003-06-18 |
US20040050286A1 (en) | 2004-03-18 |
NO318380B1 (en) | 2005-03-14 |
NO20005122D0 (en) | 2000-10-11 |
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