WO1982003841A1 - Dispositif de transport - Google Patents

Dispositif de transport Download PDF

Info

Publication number
WO1982003841A1
WO1982003841A1 PCT/NL1982/000013 NL8200013W WO8203841A1 WO 1982003841 A1 WO1982003841 A1 WO 1982003841A1 NL 8200013 W NL8200013 W NL 8200013W WO 8203841 A1 WO8203841 A1 WO 8203841A1
Authority
WO
WIPO (PCT)
Prior art keywords
slide
guide
base plate
cylinder
racterized
Prior art date
Application number
PCT/NL1982/000013
Other languages
English (en)
Inventor
M G Ltd T
Original Assignee
Stoof Pieter Maria
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 Stoof Pieter Maria filed Critical Stoof Pieter Maria
Priority to AU83937/82A priority Critical patent/AU8393782A/en
Publication of WO1982003841A1 publication Critical patent/WO1982003841A1/fr
Priority to DK577482A priority patent/DK577482A/da

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G7/00—Devices for assisting manual moving or tilting heavy loads
    • B65G7/02—Devices adapted to be interposed between loads and the ground or floor, e.g. crowbars with means for assisting conveyance of loads

Definitions

  • the invention relates to a transport device for heavy loads mainly comprising one or more parallel guides along each of which one or more load carrying slides are dis ⁇ placeable.
  • a transport device for heavy loads mainly comprising one or more parallel guides along each of which one or more load carrying slides are dis ⁇ placeable.
  • the invention has for its object to provide a transport device by which larger level differences than hitherto can be bridged so that the load to be transported can be retained in the same horizontal or sloping plane in any transport position.
  • the transport de ⁇ vice comprises hydraulic lifting means for obtaining a load displacement vertical to the guide.
  • the lifting means are preferably formed by one or more rams or worm conveyors.
  • the load remains sufficiently supported in the area of a lower part of the substrate so that it is now possible to displace loads of particularly large width and length within the range of permissible deformation of the loads.
  • the transport device can be adapted to non-uniform dis ⁇ tribution, for example, a deck with machines or suchlike wor ⁇ king units at different places.
  • a slide consists of a base plate with stif ⁇ fening constructions it is preferred, in order to limit the height, to a ram reaching to- near the base plate on which the stiffening construction is formed by box-shaped bodies on both sides of the ram and a tie member arranged between them at a distance from the base plate.
  • the ram- is pivoted near the base plate to the slide so that the slide can move through an angle with respect to the load to be carried.
  • the slide is preferably equipped with tracking members pressed against the inner side along the side of the guide.
  • the tracking members are preferably pivotally driven by pressure cylinders in the horizontal plane, said cylinders of consecutive slides being connected parallel to one another so that the lateral pressure of the loads with respect to the guide is absorbed by all slides.
  • Fig. 1 a perspective view of a transport system embodying the invention on a shipyard for a heavy load to be carried to pontoons at the shipyard,
  • Fig. 2 a perspective view of part of the guide with a slide displaceable theron
  • Fig. 3 a plan view of a guide with a number of slides provided with tracking members
  • Fig. 4 a perspective view of a further embodi ⁇ ment of a slide.
  • Fig. 5 a hydraulic feed diagram for the rams of each slide
  • the transport system shown in Fig 1. comprises six guides 1, which may be of any design.
  • a number of slides 2 are arranged one after the other, the in ⁇ tervals between and the number of slides being adaptable to the construction and the weight of the load to be carried and to the stability of the substrate.
  • the transport system shown extends from a shipyard 3 to pontoons 4 floating on the water. Between, the pontoon 4 and the bank of the- shipyard 3- are arranged bridge parts 5, which are pivotally connected with the pontoon and the shipyard respectively.
  • Fig. 1 represents a load to be transported formed by the deck 6 of a drilling platform, on which deck are built a number of machines such as drilling derricks, cranes as well as lodgings for the crew.
  • the completed deck with its superstructure is shifted from the yard to the pon ⁇ toons 4 by means of the transport device embodying the inven ⁇ tion, after whgich the lower structure of the drilling plat ⁇ form indicated in Fig. 1 by the. broken line 7 can be arraged beneath the deck and secured thereto.
  • this load handling lies outside the scope of the invention.
  • the transport device is distinguished in that level differences can be readily overcome by means of the slides 2, which will be explained more fully hereinbelow. It will be obvious that level differences due to 'tide variations of the advancement of the heavy loads on the yard to the pon ⁇ toons have to be neutralised. This is enabled by the ram pro ⁇ vided in each slide matching the distance variation between the guide 1 and the load. The supporting pressure of each slide is maintained.
  • the advancement of the slide in the guide 1 is performed by means of pressure cylinders 9, which are located at the brid ⁇ ge portions 5 at the moment illustrated in fig. 1.
  • the pres ⁇ sure cylinders 9 bear on the one hand on the guide 1 and on the other hand on the hindmost slide. After the slide has been advanced over a given distance, the pressure cylinder 9 itself can be displaced so that the cycle of operation can ⁇ restart. All cylinders 9 are fed from a central pump 10 of the yard.
  • Fig. 2 shows an embodiment of a slide in ac- cordance with the invention.
  • This slide comprises a base plate 11, which i slightly curved upwards at both ends.
  • To the base plate 11 are welded two hollow bodies 12 of triangular shape, a tie member 13 being welded between the peaks of the bodies 12 in the form of a closing plate.
  • the base plate 11 can freely travel in the guide 1, which is essentially constructed in the form of a channel-shaped gut ⁇ ter open at the top side.
  • the bottom of the gutter is covered with preferably removable plates of teflon 1a reducing the friction between the base plate 11 of the slide and the bot ⁇ tom of the open gutter 1. At least three teflon plates are each time required for displacing the base plate 11.
  • the cylinder 14 embodying the invention which is pivotally connected below at 15 with the slide.
  • the cylinder is provided with a plate 16, which is pressed against the bottom side of the load.
  • the cylinder Owing to the pivotal connection between the cylinder 14 and the sl ' ide 2 and to a slot-like recess 17 in .the tie member 13 the cylinder can perform a given angular turn with respect to the longitudinal direction of the slide so that small unevennesses in the rail can be overcome by the swing of the slide with respect to the load. In a transverse.direction the cylinder 14 comes into contact with the side of the slot-like recess 17 so that transverse forces can be transferred through the cylinder wall to the slide.
  • Each slide 2 is provided at the front and at the rear with two pivotal arms- 18 adapted to pivot about the axis 19 in a horizontal plane.
  • the end of each arm 18 is pro vided with a guide wheel 20 rolling along the inner side of the channel-shaped guide. Between the pivotal arms is
  • IJU E arranged a pressure cylinder 21 , which moves the two arms outwardly.
  • the outward movement of each pivotal arm is limi ⁇ ted by a stop- rim 22 positioned so that, when the slide moves in the middle of the guide 1, the rollers 20 do not touch the inner wall of the gutter-shaped rail. However as soon as the slide moves out of the middle, the rollers will exert pressure on the pivotal arms 18, which thus tend to move inwardly, which is counteracted by the cylinder 21. In this way a tracking system is obtained, which has minimal frictional resistance.
  • each cylinder 21 is connected parallel to the further tracking cylinders in the guide 1.
  • each circle represents a cylinder.
  • three feeding groups can be distinguished, in which different pressures may pre ⁇ vail, which depends on the magnitude of weight above the pressure group concerned.
  • the pattern of a pre-ssure group may be fully adapted to the requirements.
  • the circles 30 symbolize the pressure force of each group, the locations of which clearly show that a stable support of the load L is obtained owing to the three-point support.
  • the circle Z indicates the centre of gravity of the load, which has to stay inside the triangular support formed by the circles 30.
  • the cylinders of a group can be fed by means of flexible conduits 31 (see also fig. 1).
  • Fig. 4 shows an alternative embodiment of the slide 2, which is suitable for heavier lateral forces.
  • the slide comprises a base plate 11 on which two hollow bodies 12 of triangular shape are arranged. Between the hollow bodies 12 are arranged two cylinders 14 fastened by bolts 40 to the base plate 11.
  • Each hollow body has two vertical guide bars 41, along which' a tie member for med by a stool 42 can move up and down.
  • the cylinder 14 exerts pressure on the underside of the stool 42, which is provided at the top with a pressure plate 43, which can transfer a moment produced by a transverse load by means of a hinge 44.
  • the pressure plate 43 bears on the underside of the load.
  • the transverse loads are absorbed in this case by the guides 41 and directly transferred to the base plate 11.
  • the embodiment shown in fig. 4 is extremely suitable for a rapid exchange of the cylinder 14 for matching.the operational con ⁇ ditions or for carrying out repairs.
  • the tracking members may be formed by a cylinder transversely fastened to the slide and having two piston rods protuding along the inner side of the channel-section guide.

Landscapes

  • Chain Conveyers (AREA)
  • Bearings For Parts Moving Linearly (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Refuse Collection And Transfer (AREA)

Abstract

Dispositif de transport pour des charges elevees (6) comprenant principalement un ou plusieurs guides paralleles en forme de U (1) le long de chacun desquels se deplace une ou plusieurs glissieres (2) transportant la charge, ces glissieres (2) comprenant une plaque de base (11), un belier hydraulique (14) fixe de maniere pivotante (15) sur la plaque de base sur laquelle des corps en forme de boites (12) sont disposes de chaque cote du belier hydraulique, un organe d'entretoisement (13) etant dispose entre ces corps a une certaine distance de la plaque de base (11), ces glissieres (2) comprenant en outre des organes de maintien de la voie (18, 19, 20, 21) s'appuyant contre le cote interieur des guides en forme de U (1).
PCT/NL1982/000013 1981-04-29 1982-04-29 Dispositif de transport WO1982003841A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU83937/82A AU8393782A (en) 1981-04-29 1982-04-29 Transport device
DK577482A DK577482A (da) 1981-04-29 1982-12-29 Transportorgan

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8102135810429 1981-04-29
NL8102135A NL8102135A (nl) 1981-04-29 1981-04-29 Transportinrichting.

Publications (1)

Publication Number Publication Date
WO1982003841A1 true WO1982003841A1 (fr) 1982-11-11

Family

ID=19837425

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/NL1982/000013 WO1982003841A1 (fr) 1981-04-29 1982-04-29 Dispositif de transport

Country Status (4)

Country Link
EP (1) EP0077369A1 (fr)
NL (1) NL8102135A (fr)
NO (1) NO824383L (fr)
WO (1) WO1982003841A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5183376A (en) * 1988-06-16 1993-02-02 Aralt Per T Arrangement for loading and unloading of heavy packages
GB2325212A (en) * 1997-05-07 1998-11-18 Humberside Lifting Services Li Lifting apparatus and a lifting method

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EE05827B1 (et) * 2018-05-29 2020-10-15 Lasse Ojanen Tõsteseadmekomplekt ja selle kasutamine

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB302552A (en) * 1928-06-13 1928-12-20 Otto Krell Improvements in hangars of airships
GB1016785A (en) * 1962-10-09 1966-01-12 Hydraulik Leipzig Veb Improvements in slip gear for ships
FR2154343A1 (fr) * 1971-09-30 1973-05-11 Kayaba Industry Co Ltd
FR2215367A1 (fr) * 1973-01-26 1974-08-23 Mitsubishi Heavy Ind Ltd
DE2447892A1 (de) * 1973-10-16 1975-04-17 Skoda Np Schritt-bewegungseinrichtung zum transport schwerer lasten
US3918366A (en) * 1974-07-15 1975-11-11 Greer Hydraulics Inc Ship section transfer assembly
FR2286740A1 (fr) * 1974-10-04 1976-04-30 Anderson Ind Ab Paul Installation de transport pour charges lourdes
GB1547927A (en) * 1977-07-27 1979-07-04 Redpath Dorman Long Ltd Apparatus and method for moving heaviy objects

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB302552A (en) * 1928-06-13 1928-12-20 Otto Krell Improvements in hangars of airships
GB1016785A (en) * 1962-10-09 1966-01-12 Hydraulik Leipzig Veb Improvements in slip gear for ships
FR2154343A1 (fr) * 1971-09-30 1973-05-11 Kayaba Industry Co Ltd
FR2215367A1 (fr) * 1973-01-26 1974-08-23 Mitsubishi Heavy Ind Ltd
DE2447892A1 (de) * 1973-10-16 1975-04-17 Skoda Np Schritt-bewegungseinrichtung zum transport schwerer lasten
US3918366A (en) * 1974-07-15 1975-11-11 Greer Hydraulics Inc Ship section transfer assembly
FR2286740A1 (fr) * 1974-10-04 1976-04-30 Anderson Ind Ab Paul Installation de transport pour charges lourdes
GB1547927A (en) * 1977-07-27 1979-07-04 Redpath Dorman Long Ltd Apparatus and method for moving heaviy objects

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5183376A (en) * 1988-06-16 1993-02-02 Aralt Per T Arrangement for loading and unloading of heavy packages
GB2325212A (en) * 1997-05-07 1998-11-18 Humberside Lifting Services Li Lifting apparatus and a lifting method
GB2325212B (en) * 1997-05-07 2001-04-11 Humberside Lifting Services Lt Improvements in or relating to a lifting apparatus and a method of lifting

Also Published As

Publication number Publication date
NO824383L (no) 1982-12-27
EP0077369A1 (fr) 1983-04-27
NL8102135A (nl) 1982-11-16

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