Tide automatically compensating boarding ladder
By designing an automatic tidal compensation boarding ladder with a hinged ladder body and roller structure, the problems of inconvenience and safety hazards caused by tidal changes in boarding and disembarking have been solved, and automatic adjustment and safety assurance have been achieved during tidal changes.
Patent Information
- Application Number
- CN202423176223.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-23
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-12-23
AI Technical Summary
The existing boarding ladders cannot automatically adjust when the tide changes, causing inconvenience for people to board and disembark and posing safety hazards.
Design an automatic tidal compensation boarding ladder comprising multiple articulated ladder bodies and roller structures. The ladder bodies achieve automatic adjustment during tidal changes through articulation and roller structures. The ladder bodies are equipped with a drainage and anti-slip base plate and a continuous handrail mechanism to ensure personnel safety.
It enables automatic adjustment of the ladder during tidal changes, ensuring smooth boarding and disembarking of personnel, reducing safety hazards, and improving safety in the event of strong winds and waves.
Smart Images
Figure CN223607723U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a kind of tide automatic compensation boarding ladder, belong to boarding ladder structure technical field. TECHNICAL BACKGROUND
[0002] After small rescue ship (work ship) wharf is parked relative fixed ship (pontoon), personnel on small rescue ship moves to wharf by pontoon.Due to the effect of sea tide, ship (pontoon) is 1-2 meters higher than wharf face in high tide, and 1-2 meters lower than wharf face in low tide, so that boarding wharf must be assisted by ladder, if ladder is straight ladder, one end is tilted very high in high tide or low tide, not only inconvenient to go up and down, but also there is great security risk under the surge of sea wave.
[0003] Therefore, it is urgent to appear a tide automatic compensation boarding ladder that can solve the above technical problems. CONTENT OF UTILITY MODEL
[0004] The utility model aims at solving the deficiencies of the prior art, and provides a tide automatic compensation boarding ladder, which can enable personnel to stably go up and down the ship and reduce security risks.
[0005] The tide automatic compensation boarding ladder of the utility model has the speciality that it comprises first ladder body 1, second ladder body 2, third ladder body 3 and fourth ladder body 4, wherein the first ladder body 1 is fixed on wharf ground, the fourth ladder body 4 is installed with rollers 6 on the lower surface and is placed on pontoon 5, the four ladder bodies are all provided with bottom plates 12 with drainage and anti-skid functions, the first ladder body 1 and the second ladder body 2 are hingedly connected through first hinge pieces 9, the second ladder body 2 and the third ladder body 3 are hingedly connected through second hinge pieces 10, the third ladder body 3 and the fourth ladder body 4 are hingedly connected through third hinge pieces 11, one side of the four ladder bodies is all installed with handrails 7, adjacent handrails 7 are connected through chains 8, and the handrails 7 and the chains 8 jointly form a coherent handrail structure.
[0006] Preferably, the first ladder body 1 is fixed on wharf ground through a plurality of bolts;
[0007] Preferably, the bottom plate 12 comprises a steel structure frame 13, the steel structure frame 13 is embedded with footboards 14, and the entire footboard 14 is uniformly distributed with first drainage holes 15 penetrating up and down;
[0008] Preferably, a plurality of anti-skid plates 16 are installed on the upper surface of the footboard 14, the anti-skid plates 16 are higher than the upper surface of the footboard 14, the anti-skid plates 16 are installed across the width direction of the footboard 14, the anti-skid plates 16 are uniformly distributed with second drainage holes 17, and the second drainage holes 17 are penetrated with the first drainage holes 15;
[0009] Preferably, the pier 5 is provided with a steel plate protection layer 18 at the position where the fourth ladder body 4 is placed, and the roller mechanism 17 slides on the steel plate protection layer 18 to protect the surface of the pier 5.
[0010] Preferably, the chain 8 is installed at the upper position of the adjacent handrail column 7 at both ends, so as to facilitate grasping, and the chain 8 is detachably installed on the handrail column 7 through a snap ring.
[0011] Preferably, the first hinge 9 comprises at least two first hinge assemblies, the first hinge assembly comprises a first connecting plate 19 fixed to the first ladder body 1, two second connecting plates 20 fixed to the second ladder body 2, and the first connecting plate 19 is located between the two second connecting plates 20, and the first connecting plate 19 and the second connecting plate 20 are inserted into the first rotating shaft 21 to form the first hinge 9.
[0012] Preferably, the second hinge 10 and the third hinge 11 are the same in structure, and each comprises at least two second hinge assemblies, the second hinge assembly is V-shaped, so that the third ladder body 3 is in two states: one is in the same horizontal plane as the second ladder body 2, and the other is that the third ladder body 3 is downwardly flipped with the second hinge assembly as the axis, the second hinge assembly is V-shaped, and the fourth ladder body 4 can be in the same horizontal plane as the third ladder body 3, and the fourth ladder body 4 can be downwardly flipped with the second hinge assembly as the axis.
[0013] Preferably, the second hinge assembly comprises two hinge arms 22 arranged in a V shape, and the two hinge arms 22 are inserted into the second rotating shaft 23 at the bottom to form the second hinge 10.
[0014] The tide automatic compensation boarding ladder has the advantages that the structure design is reasonable, and the beneficial effects are as follows.
[0015] 1. The four ladder bodies that are hingedly connected to each other can enable personnel on the pier to smoothly move to the wharf whether the pier is in a high tide position or a low tide position.
[0016] 2. The bottom plate with the drainage and anti-skid functions can quickly drain the seawater on the ladder body, improve the friction coefficient, prevent personnel from slipping, further improve the anti-skid coefficient through the anti-skid plate, and further improve the safety of the passing personnel in the case of strong wind and large waves.
[0017] 3. The handrail column and the chain jointly constitute a coherent handrail mechanism without interruption, and the passing personnel can first grasp the handrail column or the chain regardless of the position of the ladder body, so as to prevent falling due to unstable center of gravity during the fluctuation of the pier and further improve the safety coefficient.
[0018] 4. The first hinge piece and the second hinge piece are designed ingeniously, so that the four ladder bodies can be automatically adjusted to the appropriate angle position when the pontoon is at high tide level or low tide level, and personnel can pass conveniently.
[0019] In conclusion, the tide automatic compensation boarding ladder has the advantages of ingenious structure, stable personnel boarding and unboarding, reduced safety hazards, and universality and promotion prospect. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 The utility model discloses a tide automatic compensation boarding ladder structure schematic diagram.
[0021] Figure 2 The utility model discloses a tide automatic compensation boarding ladder structure schematic diagram.
[0022] Figure 3 The utility model discloses a tide automatic compensation boarding ladder structure schematic diagram.
[0023] Figure 4 The utility model discloses a tide automatic compensation boarding ladder structure schematic diagram.
[0024] Figure 5 The utility model discloses a tide automatic compensation boarding ladder structure schematic diagram.
[0025] Figure 6 The utility model discloses a tide automatic compensation boarding ladder structure schematic diagram.
[0026] Figure 7 The utility model discloses a tide automatic compensation boarding ladder structure schematic diagram. DETAILED DESCRIPTION
[0027] The utility model discloses a tide automatic compensation boarding ladder structure schematic diagram.
[0028] The utility model discloses a tide automatic compensation boarding ladder structure schematic diagram. Figures 1-7 , including first ladder body 1, second ladder body 2, third ladder body 3, fourth ladder body 4, wherein, first ladder body 1 is fixed on the wharf ground, and the fourth ladder body 4 lower surface installs the gyro wheel 6 and is supported on the pontoon 5, and four ladder bodies are equipped with the bottom plate 12 with the drainage and the antiskid function, and first ladder body 1 is hinged with second ladder body 2 through first hinge piece 9, and second ladder body 2 is hinged with third ladder body 3 through second hinge piece 10, and third ladder body 3 is hinged with fourth ladder body 4 through third hinge piece 11, and one side of four ladder bodies is installed with the handrail 7, and the adjacent handrail 7 is connected through chain 8, and the length of chain 8 can be appropriately lengthened, thereby preventing that the tide difference is too large and cannot be adjusted. The handrail 7 and the chain 8 jointly constitute a coherent handrail structure.
[0029] The first ladder body 1 is fixed on the wharf ground by at least six stainless steel long bolts.
[0030] The bottom plate 12 of the embodiment comprises a steel structure frame 13, in which a footboard 14 is embedded, and the entire footboard 14 is uniformly provided with first drain holes 15 penetrating up and down. A plurality of spaced anti-skid plates 16 are mounted on the upper surface of the footboard 14, the anti-skid plates 16 are higher than the upper surface of the footboard 14, the anti-skid plates 16 are installed across the width direction of the footboard 14, and the anti-skid plates 16 are uniformly provided with second drain holes 17 penetrating the first drain holes 15. The bottom plate 12 with the functions of draining and anti-skid can quickly drain the seawater on the ladder body, improve the friction coefficient, prevent people from slipping, further improve the anti-skid coefficient through the anti-skid plates 16, and further improve the safety of the passing people in the case of strong wind and heavy waves.
[0031] The steel plate protection layer 18 is installed at the position where the fourth ladder body 4 is placed on the pontoon 5, and the roller mechanism 17 slides on the steel plate protection layer 18 to protect the surface of the pontoon 5.
[0032] The chain 8 is installed at the upper position of the adjacent handrail 7 at both ends, so as to facilitate grasping, and the chain 8 is detachably installed on the handrail 7 through a snap ring at both ends. The handrail 7 and the chain 8 jointly constitute a continuous handrail mechanism without interruption, and the passing people can grasp the handrail 7 or the chain 8 at the first time regardless of the position of the ladder body, so as to prevent falling caused by unstable center of gravity during the rising and falling of the pontoon 5, and further improve the safety coefficient.
[0033] The first hinge 9 of the embodiment comprises at least two first hinge assemblies, each of which comprises a first connecting plate 19 fixed on the first ladder body 1 and two second connecting plates 20 fixed on the second ladder body 2, the first connecting plate 19 is located between the two second connecting plates 20, and the first connecting plate 19 and the second connecting plate 20 form the first hinge 9 after being inserted into a first rotating shaft 21. The second hinge 10 and the third hinge 11 have the same structure, each of which comprises at least two second hinge assemblies, the second hinge assemblies are V-shaped, so that the third ladder body 3 is in two states: one is in the same horizontal plane as the second ladder body 2, and the other is that the third ladder body 3 is flipped downward with the second hinge assembly as the axis. The second hinge assembly is V-shaped, which can also make the fourth ladder body 4 in the same horizontal plane as the third ladder body 3, and can also make the fourth ladder body 4 flip downward with the second hinge assembly as the axis. The second hinge assembly comprises two V-shaped hinge arms 22, and the two hinge arms 22 are inserted into a second rotating shaft 23 at the bottom to form the second hinge 10. The first hinge and the second hinge of the embodiment are designed ingeniously, which can automatically adjust the four ladder bodies to the appropriate angle position when the pontoon is in the high tide or low tide, so as to facilitate the passing.
Claims
1. A tide automatically compensating boarding ladder, characterized in that The utility model provides a kind of dock ladder, including first ladder, second ladder, third ladder, fourth ladder, wherein, first ladder is fixed on wharf ground, fourth ladder lower surface installs roller and is placed on pontoon, four ladders are equipped with bottom plate with drainage and antiskid function, first ladder and second ladder are hinged by first hinged element, second ladder and third ladder are hinged by second hinged element, third ladder and fourth ladder are hinged by third hinged element, one side of four ladders is equipped with handrail, adjacent handrails are connected by chain, handrail and chain jointly constitute a coherent handrail mechanism.
2. A tide compensating gangway according to claim 1, characterised in that The first ladder is fixed on the wharf ground by a plurality of bolts.
3. A tide compensating gangway as claimed in claim 1, wherein The bottom plate includes a steel structure frame, and a footboard is embedded in the steel structure frame.
4. A tide compensating gangway as claimed in claim 3, wherein A plurality of spaced-apart anti-skid plates are installed on the upper surface of the footboard, the anti-skid plates are higher than the upper surface of the footboard, the anti-skid plates are installed across the width direction of the footboard, and the anti-skid plates are uniformly distributed with second drainage holes.
5. A tide-automatically-compensated boarding ladder according to claim 1, characterized in that A steel plate protection layer is installed at the position where the pontoon places the fourth ladder, and the roller mechanism slides on the steel plate protection layer to protect the surface of the pontoon.
6. A tide-automatically-compensated boarding ladder according to claim 1, characterized in that The chain is installed at the upper position of the adjacent handrails at both ends, so as to facilitate grasping, and the chain is detachably installed on the handrails at both ends by a snap ring.
7. A tide-automatically-compensating boarding ladder according to claim 1, characterized in that The first hinged element includes at least two first hinged components, the first hinged component includes a first connecting plate fixed on the first ladder, two second connecting plates fixed on the second ladder, the first connecting plate is located between the two second connecting plates, and the first connecting plate and the second connecting plate form the first hinged element after inserting a first rotating shaft.
8. A tide-automatically-compensating boarding ladder according to claim 3, characterized in that The second hinged element and the third hinged element have the same structure and include at least two second hinged components, the second hinged component is V-shaped, so that the third ladder is in two states: one is in the same horizontal plane as the second ladder, and the other is to make the third ladder downwardly flip with the second hinged component as the axis, the second hinged component is V-shaped, which can also make the fourth ladder and the third ladder in the same horizontal plane, and can also make the fourth ladder downwardly flip with the second hinged component as the axis.
9. A tide automatically compensating boarding stairs according to claim 8, characterized in that The second hinged component includes two V-shaped hinged arms, and the two hinged arms are inserted with a second rotating shaft at the bottom to form the second hinged element.