CN105270570A - Displacement type wharf ladder - Google Patents
Displacement type wharf ladder Download PDFInfo
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- CN105270570A CN105270570A CN201510082702.3A CN201510082702A CN105270570A CN 105270570 A CN105270570 A CN 105270570A CN 201510082702 A CN201510082702 A CN 201510082702A CN 105270570 A CN105270570 A CN 105270570A
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- Prior art keywords
- ladder
- displacement type
- pile
- hinged
- handle
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Abstract
The invention discloses a displacement type wharf ladder. The displacement type wharf ladder comprises an armrest, vertical railings, a connecting rod, a handle, a stake and a ladder, wherein the armrest, the ladder and the vertical railings are hinged to form a wharf ladder frame which is similar to a parallel four-connecting-rod mechanism; the armrest extending outwards in the direction of a hull is in lap joint with the handle; a clump weight is arranged at a cantilever end of the handle extending outwards along the armrest; the other end of the handle is hinged to the connecting rod which extends downward; the pendent connecting rods and the right vertical railings are adjacent to each other; the bottom end of the connecting rod is hinged to the ladder; the stake is fixedly connected to a shipside deck in a perpendicular manner; eye plates are respectively arranged at the top of the stake and a position, h away from the shipside deck, of the stake; one end, towards the hull, of the armrest in the wharf ladder frame and one end, towards the hull, of the ladder in the wharf ladder frame are hinged to the reserved eye plates on the stake; a structure of the wharf ladder frame capable of swinging up and down around the eye plates on the stake relative to the shipside deck is formed, and a swinging angle alpha ranges from -30 degrees to 30 degrees. According to the displacement type wharf ladder disclosed by the invention, the swinging angle is wide in scope, so that the requirement for steady erection of the wharf ladder under different working conditions can be met.
Description
Technical field
The present invention relates to a kind of ship deck machinery, specifically, the present invention relates to a kind of wharf ladder being arranged on gun wale, particularly a kind of displacement type wharf ladder.
Background technology
Kiloton boats and ships, naval vessel because of hull relatively large, drinking water is relatively dark, a gun wale and harbour segment distance apart when making harbour, and is usually discharged by ship and provides wharf ladder to step on disembark passage as staff for oneself.The wharf ladder of prior art is integral structure, is directly hinged and connected on ship side deck.This direct connection structural rigidity foot, good stability, on the quarter below deck 30
0in scope, reliable erection, can guarantee that staff steps on the current safety of disembark.However, there is limitation in actual use in prior art products, and namely or ship side deck equal with quay surface, ship side deck can normally use higher than during quay surface.Once shipful, ship side deck may lower than quay surface, this situation exceeds the wharf ladder erection scope of prior art, wharf ladder external part ladder rests on quayside, easily cause that to stretch to harbour one end roller down unsettled, and the ladder of wharf ladder directly directly contacts with quayside, because hull is with sea sloshing, dynamic wharf ladder is produced with static quayside junction rub, rub except generation noise, greatest problem causes the damage of wharf ladder and quayside, brings unnecessary dispute and economic loss thus.
Summary of the invention
The present invention, mainly for the little problem of prior art products variable range, proposes a kind of displacement type wharf ladder utilizing parallel four continuous lever mechanisms interlock principles to make, and this terraced structure is simple, it is reliable to connect, displacement processing ease, use safety and applied widely.
The present invention is achieved through the following technical solutions technical goal.
Displacement type wharf ladder, it comprises handrail, perpendicular railing, connecting rod, handle, pile and ladder.Described handrail and ladder are rod member, are hinged between the two by the contour and perpendicular railing of parallel spaced-apart, form the harbour ladder of likeness in form parallel four-bar linkage.Ladder overhanging end is provided with roller down, the handrail overlap joint handle overhanging towards hull direction, the handle suspended wall end overhanging along handrail is provided with clump weight, is hinged connecting rod in turning down at the handle other end, adjacent and the parallel spaced-apart of railing is erected on sagging connecting rod and the right, and connecting rod bottom and ladder are hinged.Its improvements are: described pile is vertically fixedly connected with on the quarter on deck, eye plate is respectively equipped with on pile top with at a distance of h=400 ~ 800mm place, ship side deck, handrail in harbour ladder and ladder reserved eye plate on hull one end and pile is hinged, form centered by the eye plate of harbour ladder on pile, relative ship side deck swings up and down structure.
In said structure, centered by the eye plate of harbour ladder on pile, relative ship side deck swings up and down, its pivot angle α=-30
0~ 30
0.Piles column bottom is provided with marks time, and marks time and is positioned at h1/2 place on ship side deck.Pile is provided with the locking bail of hand power screw structure, and this locking bail is used for when displacement type wharf ladder is collected spacing.
The present invention compared with prior art, has following good effect:
1, like the harbour ladder of parallel four continuous lever mechanisms, structure is simple, making is easy;
2, the harbour ladder deformation being hinged structure is easy, adds by pile frame height harbour ladder, significantly strengthens displacement scope, reliably can set up under various working condition in tolerance band;
3, seemingly the harbour ladder of parallel four continuous lever mechanisms, under the power-assisted of clump weight, manipulates laborsaving, quick;
4, like the harbour ladder easy-to-collection of parallel four continuous lever mechanisms, during collection, mechanicalness locking is done, good reliability with locking bail.
Accompanying drawing explanation
Fig. 1 is structure schematic front view of the present invention, and the displacement type wharf ladder in figure is in level erection.
Fig. 2 is the schematic diagram of the wharf ladder of displacement type shown in Fig. 1 under another kind of limiting condition condition, and namely ship side deck is higher than quay surface, and the displacement type wharf ladder in figure presents-30
0tilting erection.
Fig. 3 is the schematic diagram under another limiting condition condition of the wharf ladder of displacement type shown in Fig. 1, and namely ship side deck is far below quay surface, and the displacement type wharf ladder in figure is 30
0tilting erection.
Fig. 4 is the schematic diagram that the wharf ladder of displacement type shown in Fig. 1 is in collection situation.
Detailed description of the invention
Below with reference to the accompanying drawings and in conjunction with the embodiments, the invention will be further described.
Displacement type wharf ladder shown in Fig. 1 is the embodiment of supporting 8 kiloton bulge carriers, and it comprises handrail 1, perpendicular railing 2, connecting rod 3, handle 4, pile 5 and ladder 6.Described handrail 1 and ladder 6 are rod member, and handrail 1 is positioned on ladder 6, are hinged between the two by the contour and perpendicular railing 2 of parallel spaced-apart, form the harbour ladder like parallel four-bar linkage.Ladder 6 overhanging end is provided with roller 6.1 down, and roller 6.1 effect improves the contact with quay surface 8.Handrail 1 is towards one end overlap joint handle 4 in hull direction, and handle 4 cantilever end overhanging along handrail 1 is provided with clump weight 4.1, and the clump weight 4.1 added plays balance and power-assisted effect in the structure, is conducive to alleviating manipulation force, improves erection efficiency.Be hinged connecting rod 3 in turning down at handle 4 other end, railing 2 adjacent and parallel period is erected on sagging connecting rod 3 and the right, and connecting rod 3 bottom and ladder 6 are hinged formation link gear.The present invention is vertical fixing pile 5 on deck 7 on the quarter, is respectively equipped with eye plate, h=500mm in the present embodiment on pile 5 top with at a distance of the h place on ship side deck 7.Handrail 1 in harbour ladder and ladder 6 reserved eye plate on hull one end and pile 5 is hinged, and form centered by the eye plate of harbour ladder on pile 5, swing up and down structure relative to ship side deck 7, this swings up and down pivot angle α=-30 of structure
0~ 30
0various working condition can be met completely in this angular range under, on the quarter 7 to quay surface, deck 8 sets up displacement type wharf ladder reposefully, guarantee that the ladder 6 of displacement type wharf ladder does not rest on quay surface 8 or quayside, even if hull rocks with stormy waves, barrel shift is only made in displacement type wharf ladder and quay surface 8, does not mutually produce destructive contact.Displacement type wharf ladder shown in Fig. 1 is in level erection, this situation pivot angle α=0
0, be convenient to personnel most and pass through.The embodiment that displacement type wharf ladder shown in Fig. 2 sets up under another kind of limiting condition condition, namely ship side deck 7 is higher than quay surface 8, and displacement type wharf ladder is in-30
0tilting erection, descending structure makes roller 6.1 can move with ladder 6 and rolls, the embodiment of setting up under another limiting condition condition of the displacement type wharf ladder shown in Fig. 3, namely ship side deck 7 is far below quay surface 8, the present invention increases the setting height(from bottom) of harbour ladder by pile 5, with the harbour ladder adopted like parallel four-bar linkage, although displacement type wharf ladder is with 30
0during tilting erection, quay surface 8 does not contact with ladder 6, and both are contacted by roller 6.1, and destructive contact does not occur thus.Because harbour ladder is high by pile 5 frame, pass through, be provided with and mark time 5.2 bottom pile 5 for the ease of personnel, marking time 5.2 is positioned at h1/2 place on ship side deck 7, i.e. 250mm place.During boats and ships departure, displacement type wharf ladder must be recovered on ship side deck 7 and collect, the present invention utilizes the harbour ladder seemingly folding principle of parallel four-bar linkage, and bar handle 4 makes harbour ladder be folded into shape as shown in Figure 4.In order to reliable collection, the present invention adopts locking bail 5.1 lock-bit of hand power screw structure, and this kind of mechanical type lock-bit is reliable, safety.
Claims (4)
1. a displacement type wharf ladder, it comprises handrail (1), perpendicular railing (2), connecting rod (3), handle (4), pile (5) and ladder (6); Described handrail (1) and ladder (6) are rod member, are hinged between the two by the contour and perpendicular railing (2) of parallel spaced-apart, form the harbour ladder of likeness in form parallel four-bar linkage; Ladder (6) overhanging end is provided with roller (6.1) down, the handrail (1) overlap joint handle (4) overhanging towards hull direction, handle (4) the suspended wall end overhanging along handrail (1) is provided with clump weight (4.1), connecting rod (3) is hinged in turning down at handle (4) other end, adjacent and the parallel spaced-apart of railing (2) is erected on sagging connecting rod (3) and the right, and connecting rod (3) bottom and ladder (6) are hinged; It is characterized in that: described pile (5) is vertically fixedly connected with on the quarter on deck (7), eye plate is respectively equipped with on pile (5) top with at a distance of ship side deck (7) h=400 ~ 800mm place, handrail (1) in harbour ladder and ladder (6) are hinged towards hull one end and the upper reserved eye plate of pile (5), form centered by the eye plate of harbour ladder on pile (5), relative ship side deck (7) swings up and down structure.
2. displacement type wharf ladder according to claim 1, is characterized in that: centered by the eye plate of harbour ladder on pile (5), relative ship side deck swings up and down, its pivot angle α=-30
0~ 30
0.
3. displacement type wharf ladder according to claim 1, is characterized in that: described pile (5) bottom is provided with mark time (5.2), and mark time (5.2) are positioned at h1/2 place on ship side deck (7).
4. displacement type wharf ladder according to claim 1, is characterized in that: described pile (5) is provided with the locking bail (5.1) of hand power screw structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510082702.3A CN105270570A (en) | 2015-02-16 | 2015-02-16 | Displacement type wharf ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510082702.3A CN105270570A (en) | 2015-02-16 | 2015-02-16 | Displacement type wharf ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105270570A true CN105270570A (en) | 2016-01-27 |
Family
ID=55140569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510082702.3A Pending CN105270570A (en) | 2015-02-16 | 2015-02-16 | Displacement type wharf ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105270570A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4864957A (en) * | 1988-11-21 | 1989-09-12 | Diversified Technologies, Inc. | Apparatus and method for launch and recovery of watercraft onto and from the deck of a host vessel |
| CN2748376Y (en) * | 2004-08-20 | 2005-12-28 | 姜堰市船舶舾装件有限公司 | Lying movable storage device for accommodation ladder |
| CN200981634Y (en) * | 2006-12-08 | 2007-11-28 | 姜堰市船舶舾装件有限公司 | Accommodation ladder winding and unwinding device |
| CN200981633Y (en) * | 2006-12-08 | 2007-11-28 | 姜堰市船舶舾装件有限公司 | Wharf ladder shifting device |
| CN201376653Y (en) * | 2009-04-21 | 2010-01-06 | 姜堰市船舶舾装件有限公司 | Remote overhanging type overturning gangway ladder |
| CN202175172U (en) * | 2011-04-28 | 2012-03-28 | 姜堰市船舶舾装件有限公司 | Gangway ladder accommodation device |
| CN204452829U (en) * | 2015-02-16 | 2015-07-08 | 江苏姜堰船舶舾装件有限公司 | Displacement type wharf ladder |
-
2015
- 2015-02-16 CN CN201510082702.3A patent/CN105270570A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4864957A (en) * | 1988-11-21 | 1989-09-12 | Diversified Technologies, Inc. | Apparatus and method for launch and recovery of watercraft onto and from the deck of a host vessel |
| CN2748376Y (en) * | 2004-08-20 | 2005-12-28 | 姜堰市船舶舾装件有限公司 | Lying movable storage device for accommodation ladder |
| CN200981634Y (en) * | 2006-12-08 | 2007-11-28 | 姜堰市船舶舾装件有限公司 | Accommodation ladder winding and unwinding device |
| CN200981633Y (en) * | 2006-12-08 | 2007-11-28 | 姜堰市船舶舾装件有限公司 | Wharf ladder shifting device |
| CN201376653Y (en) * | 2009-04-21 | 2010-01-06 | 姜堰市船舶舾装件有限公司 | Remote overhanging type overturning gangway ladder |
| CN202175172U (en) * | 2011-04-28 | 2012-03-28 | 姜堰市船舶舾装件有限公司 | Gangway ladder accommodation device |
| CN204452829U (en) * | 2015-02-16 | 2015-07-08 | 江苏姜堰船舶舾装件有限公司 | Displacement type wharf ladder |
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Application publication date: 20160127 |
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| WD01 | Invention patent application deemed withdrawn after publication |