CN101939214B

CN101939214B - Load ramp for loading and unloading of cargo on ships comprising an inner and an outer ramp part

Info

Publication number: CN101939214B
Application number: CN200980104182.4A
Authority: CN
Inventors: 汤米·约翰松; 乔纳斯·努德斯特伦
Original assignee: Cargotec Sweden AB
Current assignee: McGregor Sweden
Priority date: 2008-02-19
Filing date: 2009-02-18
Publication date: 2013-05-22
Anticipated expiration: 2029-02-18
Also published as: CN101939214A; JP2011512288A; SE0800376L; SE535396C2; JP5259740B2; WO2009105021A1; KR101585993B1; KR20100114524A

Abstract

Load ramp for loading and unloading of cargo on ships and comprising an inner ramp part (8), which is pivotally connected to the ship (2) at a load opening, and an outer ramp part (9) pivotally connected to inner ramp part around a pivoting axis (12) for folding against the inner ramp part from an unfolded loading position to a set aside position of the load ramp. The outer ramp part is adjustable between different angle positions relative the inner ramp part, whereby one of the ramp parts comprises a section which partly overlaps above the other ramp part. Power means are arranged a distance from the pivoting axis for adjusting the angle position of the outer ramp part relative the inner ramp part by adjusting the position of support legs. These are arranged on each side of the load ramp and exposed to compression forces in loading position. A power transmission mechanism (40) cooperates with the power means (61, 62) to transform the compression load of the support legs (37) to tensile load in the power transmission mechanism (47) and power means (48, 49).

Description

The stowing ramp that comprises internal ramp part and outer ramp part that is used for the loading and unloading of Cargo On Deck

Technical field

The present invention relates to a kind of stowing ramp for ship as described in the preamble according to claims 1.

Background technology

The large-scale stowing ramp that is used for ship is divided at least two ramp parts usually, and described two ramp parts are hinged and can be folded relative to each other, and can turn up to against the lay-down position of ship opening and fully or partly as loading door.The example of this stowing ramp is described and is shown in Sweden open source literature SE 342010.Main capstan winch and ramp part capstan winch are disclosed in the disclosure document, described main capstan winch be arranged to control whole stowing ramp against the expanded position of harbour and against the large hunting motion between the folding position of loading opening, described ramp part capstan winch is put in order to make during the expansion of stowing ramp outside the part of outer ramp.The limited angular adjustment that the hydraulic power unit of hydraulic actuating cylinder form is arranged for outer ramp part with respect to the internal ramp part---its be attached on ship be used for regulate for the different harbour height that is for example caused by morning and evening tides---, described hydraulic power unit are born from stowing ramp weight and also from the larger compressive force of vehicular traffic.These compressive forces may reach the value that makes engine installation be subject to larger pressure.

Summary of the invention

The objective of the invention is to create a kind of stowing ramp for ship, wherein be provided for the engine installation of the angular adjustment between the part of ramp, thereby make the risk minimization of overload.

Above-mentioned purpose realizes by the stowing ramp with feature of claims 1 according to the present invention.

Description of drawings

The below will describe the present invention in further detail in embodiment and with reference to accompanying drawing, wherein:

Fig. 1 and 2 is respectively lateral plan and the birds-eye view according to stowing ramp of the present invention in diverse location,

Fig. 3 and 4 is respectively the lateral plan that is attached to the part on ship and the birds-eye view of stowing ramp,

Fig. 5 and 6 is respectively lateral plan and the birds-eye view of the part of stowing ramp, and it shows the structure of regulating mechanism, and described regulating mechanism is used for regulating according to the internal ramp part of stowing ramp of the present invention and the position, angle between the part of outer ramp.

The specific embodiment

Fig. 1 and 2 shows according to stowing ramp 1 of the present invention, and described stowing ramp 1 is connected in ship 2, shows the part of ship 2, for example the stern 3 of ship.The ramp usually can be connected in ship such as fore or another part of a side wherein, ship can also be provided with more than one stowing ramp to be used for optional the loading and the unloading route.Stowing ramp 1 is connected on ship around the axle 4 of the approximate horizontal mode with pivotable, described axle 4 is positioned to relevant to loading opening 5 on ship, and described stowing ramp 1 is hinged so that " loaded " position and folding position---wherein said the loading opening is partially or even wholly closed---Transforms that is launching around this axle.Thereby can also can swing towards harbour 7 to side-pivoting around roughly vertical pivotal axis 6 according to the stowing ramp 1 of preferred implementation, its memory plane 8 in Fig. 1 with two optional levels and thus with two optional stowing ramp position display.

Stowing ramp 1 is relatively long, and because actual cause is divided into two ramp parts: be connected to an internal ramp part 8 on ship; And an outer ramp part 9, described outer ramp part 9 advantageously comprises support tabs 11 on the outer end 10 of harbour 7 at it.Described two

ramp parts

8,9 interconnect by the mode of hinge 12 with pivotable, and described hinge 12 is positioned at a distance of 13 inboards, outer end of internal ramp part 8, and are positioned at inner end 14 places of outer ramp part 9.The advantage of stowing ramp 1 separately is only to need less power upwards to swing folding stowing ramp, and its can be stored in the mode that folds fully in the storage location of ship opening 5 and can be above this projection, the different diff-H between another advantage is that described two

ramp parts

8,9 can be adjusted to and relative to each other have angle in order to adapt to harbour and the connection of stowing ramp to ship---in other words and the lower edge of pivotal axis 4 or loading opening 5---.Supporting tabs 11 can be by pivotal axis 15 with respect to outer ramp part 9 pivotable, in order to can adapt to the memory plane of harbour.

Two

ramp parts

8,9 comprise respectively girder construction, and described girder construction has the

curb girder section

16,17,18,19 and the crossbeam 20 (shown in Fig. 4) that extends of isolated longitudinal extension between these curb girder sections.It support to be used for each

ramp part

8,9 running

region

21,22, and described running region is made of strong board in order to support anticipated load, and this load is comprised of certain vehicle usually.Support tabs 11 and also comprise short running region 23, described short running region 23 comprises a plurality of less support tabs 24 to greatest extent, and described support tabs 24 can adapt to the unfairness of the memory plane 7 of harbour 6.

Do as a whole descending motion and lifter motion for stowing ramp, winch mechanism 25 is set, described winch mechanism extends between anchor portion 26 and removable end 27, described anchor portion 26 is being positioned at above loading opening 5 on ship 2, and described removable end 27 is positioned at 28 places, outer end of the interior stowing ramp 8 of stowing ramp 1.Described winch mechanism is provided with two capstan winches in fact doubly, on every side of stowing ramp one.For outer ramp part 9 towards with descending motion away from internal ramp part 8, decline capstan winch 29 is set, described decline capstan winch 29 extends between the outer end 28 of internal ramp part and the position that---is axle 12---away from the pivotable center, for example is positioned to the curb girder section 18 of ramp part outward, 19 center.

Fig. 3 and 4 shows the larger scale map of internal ramp part 8, and its girder construction more specifically is shown, and this girder construction comprises

curb girder section

16,17 and crossbeam 20.For the sake of simplicity, this structure is shown as short run, but it is like that quite long in fact as illustrated in fig. 1 and 2.Girder construction comprises upper beam section 30 and the underbeam section 31 at 28 places, outer end that are positioned at internal ramp part 8 on both sides, have the beam 33,34,35,36 of two extensions in space 32 in the middle of described upper beam section and underbeam section comprise respectively.These beam sections have formed the guiding that presses down element of supporting leg 37 shapes, and the element that presses down of described supporting leg 37 shapes connects movably with respect to internal ramp part 8 on each side of the outer end 28 of internal ramp part 8.These supporting legs 37 are connected respectively to for transmitting from the mechanism of the power of engine installation or be connected to control apparatus, and described control apparatus is in order to move adjusting position by the length displacement transverse to the running region of internal ramp part 8.Thus, the position, angle of outer ramp part 9 can be regulated with respect to internal ramp part 8, and this will be explained in more detail below.

As illustrated in Figures 5 and 6, supporting leg comprises the foot 39 that is positioned at its 38 places, bottom, described foot 39 is arranged to withstand in separable mode the beam section 40 of outer ramp part 9, withstands in this example the curb girder section 18 that is positioned at its both sides of outer ramp part, the end face of 19 beam section.Stability in order to ensure supporting leg 37, described supporting leg 37 is connected respectively to connecting rod 41 at its downside, and described connecting rod 41 section 42 places in its back-end connects with respect to the mode of outer ramp part 9 with pivotable---in this example around the axle 12 between two

ramp parts

8,9---.The leading section 43 of each connecting rod 41 is connected to the foot 39 of respective leg 37, and described foot 39 carries out hinged by pivotal axis 44 at the supporting leg place so that the rotation of control link, and wherein, being connected between connecting rod 41 and foot is replaceable for being rigidly connected.In addition, foot 39 is advantageously formed as the U-shaped under shed, thereby partly around beam section 40.Allow foot 39 and mating surfaces between the beam section to slide to a certain extent during adjusting motion, and the described mating surfaces of permission break away from and is in contact with one another during the hunting motion of the outer ramp part 9 when outer ramp part 9 folds against internal ramp part 8 fully.

In order to regulate outer ramp part 9 with respect to the position, angle of internal ramp part 8, as mentioned above, be provided with engine installation or control apparatus 48,49, described control apparatus 48,49 is arranged to regulate supporting leg 37 by Power train 47 and is in diverse location, thereby outer ramp part 9 is pressed to required degree being positioned on the position of pivotal axis certain distance.In this example, described control apparatus 48,49 quantity are two and are the linear regulation device type, that is, though motor for as rotation in utilizing two rotary electric motors 61,62 example, described control apparatus 48,49 still produces the linear force motion.Power train 47 has the worm gear 64,65 that is driven by described motor, the wherein threaded not dwang 50 of each described worm-gear driven, 51 for each motor.Each worm gear 64,65 directly or be anchored on the Outboard Sections 28 of internal ramp part 8 via pivot brackets 52,53 by its electro-motor, described pivot brackets 52,53 has the pivotal axis of level substantially in order to control less pivoting action.Allow bar 50,51 bottom to be projected in space 32 between beam in each

curb girder section

16,17 of internal ramp part 8.Described thread rod 50,51 is fastened to the either side of shared both arms torque arm 56 by hinge 54,55 in non-rotatable mode in upper end, described both arms torque arm 56 has central pivotal axis 57, and torque arm 56 is anchored on the top part of supporting leg 37 by described central pivotal axis 57.

Because worm gear has formed fixedly reference point with respect to internal ramp part 8, so worm gear 64,65 startup mean thread rod 50,51 generally linear motion downward or upward and the corresponding motion of translation of supporting leg 37.Downward moves through supporting leg against the beam section 40 in outer ramp 9 and the pressure of generation increase, causes like this changing it with respect to the position, angle of internal ramp part 8, and the capstan winch 29 that descends simultaneously unloads and allow this adjusting motion.Two pulleys 58 of decline capstan winch, 59 are shown in Fig. 5 and 6, and an outer end that is positioned at internal ramp part 8 is located, and another pulley is positioned at a distance apart from its pivotal axis 12 on outer ramp part 9.Unshowned cable drives capstan winch around the electricity that described two wheels are set to ring-type and extend to the stern place that is positioned at ship, thereby comes in known manner the length of regulating ring, makes thus outer ramp part 9 partially folded or launch with respect to internal ramp.Be used for the hunting motion in the pulley 60 of internal ramp part and consequent whole ramp also shown in Fig. 5 and 6.

In the complete expanded position of ramp part 9, will take supine part to withstand the final position of the ventricumbent part of internal ramp part 8 outside, thereby make control apparatus 48,49 complete discharges.When for example because the larger gap on the height between the loading plane of the loading plane of ship and harbour and needs external ramps part 9 when carrying out angular adjustment, start control apparatus and make worm gear 64,65 nut element rotation and apply tensile force on bar 50,51, this tensile force is transformed into the compressive force of supporting leg 37 by torque arm 56, it presses down outer ramp part until obtain required angle position by foot 39.Advantageously, the operator can see by unshowned angular transducer and indicating device the position, angle that reaches.By starting in the opposite direction control apparatus---be motor and worm gear contrarotation, bar moves up and supporting leg 37 rises, and this means that outer ramp part 9 can reduce it with respect to the position, angle of internal ramp part.By the pivotal arrangements of torque arm 56, avoided the pressure that causes due to inhomogeneous load, this inhomogeneous load is for example because the little difference in governing speed causes.

By above-mentioned Power train, described mechanism and control apparatus are subject to pure extension power, because the compressive force in supporting leg 37 is converted into tensile force, thereby have reduced the risk that ruptures.

The example that the invention is not restricted to illustrate with describe, but can change within the scope of the appended claims.For example, can arrange on each side in ramp and surpass a pair of electric adjusting device and Power train, for example on each side two pairs.Usually, control apparatus can be made of hydraulic actuating cylinder, and it also will bear tensile force by above-mentioned layout.These all be present in hinge 54 in torque arm, 55 with pivot brackets 52,53 between during attached this be connected.

Single cover control apparatus can also only be set on each side of internal ramp part, and wherein torque arm end has the pivotal axis with respect to the internal ramp partial fixing.This can implement together with electric adjusting device and hydraulic actuating cylinder.

Claims

1. one kind is used for the stowing ramp (1) that ship (2) is gone up the loading and unloading of goods and comprised internal ramp part (8) and outer ramp part (9), the mode that described internal ramp part (8) is sentenced pivotable in loading opening (5) is connected in described ship (2), described outer ramp part (9) is connected to internal ramp part (8) around pivotal axis (12) in the mode of pivotable in order to fold into lay-down position and be resisted against described internal ramp part (8) and regulate between the position, different angle of described outer ramp part (9) with respect to described internal ramp part (8) from the " loaded " position of the expansion of described stowing ramp, wherein, described ramp part (8, 9) one in is included in another ramp part (8, 9) the overlapping section of upper section, and engine installation (48, 49) be arranged to apart from described pivotal axis (12) certain distance, be used for regulating described outer ramp part (9) with respect to the position, angle of described internal ramp part (8) by the position of regulating supporting leg (37), described supporting leg (37) is arranged on each side of stowing ramp and is compressed power in " loaded " position, it is characterized in that, at least Power train (47) is arranged to and described engine installation (48, 49) synergy, in order to the clamp load in described supporting leg (37) is transformed into described Power train (47) and engine installation (48, 49) tensile load in.

2. stowing ramp as claimed in claim 1, it is characterized in that, described engine installation (48,49) be attached to the leading section (28) of described internal ramp part (8), described leading section (28) is overlapping at described outer ramp part (9) upper section, described supporting leg (37) comprises the torque arm (56) that is arranged in the end that deviates from described outer ramp part (9) and is included in described Power train (47), and, described engine installation (48,49) in described torque arm (56) and be positioned between the support that described internal ramp part (8) locates attached to bear the tensile force in described torque arm (56).

3. stowing ramp as claimed in claim 2, it is characterized in that, described engine installation is included as the control apparatus of at least one rotary electric motor (61,62) form on each side of stowing ramp, wherein said Power train (47) comprises the have thread rod worm gear (64,65) of (50,51), and described thread rod (50,51) is attached to described torque arm (56).

4. stowing ramp as claimed in claim 3, it is characterized in that, described engine installation comprises that on each side of stowing ramp two or more electro-motors (61,62) and described engine installation comprise two or more bars (50,51) that are connected in the both sides of described torque arm (56) in the mode of pivotable.

5. stowing ramp as claimed in claim 3, is characterized in that, described engine installation (48,49) is arranged to be parallel to substantially the running region (21) of described internal ramp part (8).

6. stowing ramp as claimed in claim 5, it is characterized in that, described bar (50,51) is substantially transverse to described running region (21) orientation, and is arranged in the " loaded " position that each supporting leg (37) withstands described outer ramp part (9) and applies tensile force by described torque arm (56) on described supporting leg (37).

7. stowing ramp as claimed in claim 4, it is characterized in that, described electro-motor (61,62), described thread rod (50,51) and described worm gear (64,65) quantity on each side of stowing ramp (1) is two, described torque arm (56) is connected in the mode of pivotable the described supporting leg (37) that belongs to it, and described bar (50,51) be connected in the either side of described torque arm (56) in mode that can pivotable in their one of them end, and described worm gear (64,65) be attached to described internal ramp part (8).