Hydraulic lifting platform of LNG bunkering ship

Abstract

The application discloses a kind of LNG filling ship hydraulic lifting platform in the technical field of ship.The platform includes support seat, support seat is equipped with first filling platform, first filling platform is equipped with lifting assembly for driving its lifting, lifting assembly includes hydraulic cylinder articulated on support seat, the cylinder barrel of hydraulic cylinder is articulated support seat, the piston rod of hydraulic cylinder is articulated the middle part of first support, the lower end of first support is articulated with support seat, the upper end of first support is articulated first filling platform;One end of first filling platform is articulated with first support, the other end of first filling platform is articulated with second support, second support is equipped with second filling platform, the upper end of second support is articulated first filling platform, the lower end of second support is articulated support seat;The articulation point of second support articulated upper hinge seat is located above first filling platform;The articulation point of first support articulated lower hinge seat is located below first filling platform.The application has the advantages of reducing cost and optimizing space.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of ships, in particular to a LNG bunkering ship hydraulic lifting platform. BACKGROUND

[0002] At present, with the increasingly strict national discharge of ship pollutants, the types and quantities of merchant ships using LNG as fuel have increased significantly; bunkering is a key link in the LNG fuel supply chain on water and the first problem to be solved for promoting the use of LNG as a marine fuel; the connection between the bunkering party and the bunkered party is crucial during the bunkering process of LNG, which is super-cooled (-163℃ or so), and the bunkering hose cannot be randomly laid on the ship body to avoid low-temperature damage to the ship structure; for example, the prior art discloses a LNG fuel bunkering ship, application number CN 110877664 A, application publication date 2020.03.13, by arranging a bunkering platform on the ship body, the bunkering hose is laid on the bunkering platform, but since the heights of various merchant ships are different, the height of the bunkering platform arranged on the LNG bunkering ship is usually fixed, when the height difference between the LNG bunkering ship and the merchant ship bunkering station is too large, the required hose will be very long, which cannot be effectively fixed, resulting in huge loss of cold energy of LNG, and the abrasion of the hose will be intensified and even cause leakage, which has serious safety hazards, or the posture cannot be adjusted for connection of the hose, so that the bunkering fails;

[0003] In order to solve the above problems, the prior art uses a bunkering crane to adjust the position of the bunkering hose, for example, the prior art discloses a LNG auxiliary bunkering arm, application publication number CN 113845044 A, application publication date 2021.12.28, during bunkering, the bunkering hose is hoisted by the bunkering arm, so that the bunkering port of the bunkering hose is consistent with the height of the merchant ship, although the prior art solves the problem of height difference during bunkering, but a large bunkering arm is needed to assist during bunkering, which not only occupies space, but also increases cost. SUMMARY

[0004] The purpose of the present application is to provide a LNG bunkering ship hydraulic lifting platform which reduces cost and optimizes space.

[0005] In order to achieve the above-mentioned purpose of the present application, the LNG bunkering ship hydraulic lifting platform adopts the following technical solutions:

[0006] The hydraulic lifting platform of the LNG filling ship comprises a support base welded on one side of the ship body, the support base is provided with a first filling platform capable of being lifted, the first filling platform is provided with a lifting assembly for driving the first filling platform to lift, the lifting assembly comprises a hydraulic oil cylinder hinged to the support base, a cylinder barrel of the hydraulic oil cylinder is hinged to the support base, a piston rod of the hydraulic oil cylinder is hinged to the middle of a first support, a lower end of the first support is hinged to the support base, and an upper end of the first support is hinged to the first filling platform; one end of the first filling platform is hinged to the first support, the first filling platform is hinged to a second support at the other end, the second support is provided with a second filling platform arranged along the length direction of the second support, an upper end of the second support is hinged to the first filling platform, and a lower end of the second support is hinged to the support base; the first filling platform is provided with an upper hinge base hinged to the second support, and a hinge point of the second support hinged to the upper hinge base is located above the first filling platform; the first filling platform is provided with a lower hinge base hinged to the first support, and a hinge point of the first support hinged to the lower hinge base is located below the first filling platform; the support base is provided with a first hinge base hinged to the first support, the support base is provided with a second hinge base hinged to the second support, and the support base is provided with a third hinge base hinged to the cylinder barrel of the hydraulic oil cylinder; the hinge point of the first support hinged to the first hinge base is lower than the hinge point of the cylinder barrel of the hydraulic oil cylinder hinged to the third hinge base, and the hinge point of the cylinder barrel of the hydraulic oil cylinder hinged to the third hinge base is lower than the hinge point of the second support hinged to the second hinge base.

[0007] Preferably, one end of the first support hinged to the first filling platform is hinged to a ladder, one end of the ladder is hinged to the first filling platform, and the other end of the ladder is movably installed on one side of the ship body, the ship body is provided with a ladder sliding rail, and the ladder is provided with a sliding block matched with the ladder sliding rail to slide. By arranging the ladder, when the first filling platform is adjusted to a suitable height, personnel can climb to the first filling platform through the ladder to lay the filling hose. The ladder is hinged to the first filling platform, and the lifting of the first filling platform drives the ladder to slide along the ladder sliding rail.

[0008] Preferably, the first filling platform comprises a first platform surface, and the first platform surface is provided with a first handrail around the periphery.

[0009] Preferably, the first handrail is provided with a first tray for holding the filling hose, and the first tray is made of a low-temperature-resistant material. When the first filling platform is used to lay the filling hose, the first tray is arranged on the first handrail of the first filling platform, so that the filling hose is laid in contact with the first tray, and the first tray is made of a low-temperature-resistant material and can withstand the LNG fuel transported by the filling hose.

[0010] Preferably, the second filling platform comprises a second platform surface, and the second platform surface is provided with a second handrail around the periphery.

[0011] Preferably, the second rail is provided with a second tray for supporting the filling hose, and the second tray is made of a low-temperature-resistant material. When the filling hose is laid on the second filling platform, the second tray is arranged on the second rail of the second filling platform, so that the filling hose is laid in contact with the second tray, and the second tray is made of a low-temperature-resistant material and can withstand the LNG fuel delivered by the filling hose.

[0012] Compared with the prior art, the present application has the following advantages:

[0013] 1. The first filling platform is driven to ascend and descend by the lifting assembly, so that when the height of the first filling platform is substantially the same as the height of the merchant ship to be filled, the filling hose can be laid on the first filling platform to connect the filling port of the merchant ship for filling. The height difference of the filling port between the filling ship and the merchant ship is adjusted by the lifting assembly, so that the filling hose is more convenient to dock with the filling port of the merchant ship, which not only facilitates the docking of the filling hose, but also reduces the risk.

[0014] 2. The lifting assembly is driven by the hydraulic cylinder to extend and retract, and drives the first support to rotate around the hinge point of the first hinge base, so as to realize the lifting of the first filling platform. The lifting assembly has the advantages of simple structure, convenient operation, low cost and small space occupation.

[0015] 3. The second filling platform is arranged along the length direction of the second support, and when the hydraulic cylinder is fully extended, the second filling platform rotates around the second hinge point until the second filling platform is horizontally arranged on the support seat. At this time, the filling hose can be laid on the second filling platform, and the second filling platform provides more filling stations.

[0016] 4. When the hydraulic cylinder is fully extended, the lowest filling position of the LNG filling ship hydraulic lifting platform is formed. Since the hinge point of the upper hinge base of the second support is located above the first filling platform, and the hinge point of the lower hinge base of the first support is located below the first filling platform, a height difference is formed between the first filling platform and the second filling platform, and the second filling platform is higher than the first filling platform. The first filling platform or the second filling platform can be selected for filling, the height is finely adjusted, and the filling is more convenient. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 is a structural schematic view of the present application;

[0018] Fig. 2 is a schematic view of the hydraulic cylinder fully retracted;

[0019] Fig. 3 is a schematic view of the hydraulic cylinder fully extended.

[0020] Wherein, 1 hull, 2 filling hose, 3 first filling platform, 301 first rail, 302 first tray, 4 first support, 5 support seat, 6 merchant ship, 7 second filling platform, 701 second rail, 702 second tray, 8 second support, 9 upper hinge seat, 10 lower hinge seat, 11 ladder, 12 sliding block, 13 ladder slide rail, 14 first hinge seat, 15 third hinge seat, 16 second hinge seat, 17 hydraulic oil cylinder. DETAILED DESCRIPTION

[0021] The application is further illustrated below in conjunction with the specific embodiments, which should be understood as merely illustrating the application and not intended to limit the scope of the application. Various modifications of the application, which would be apparent to one of ordinary skill in the art after reading this description, are intended to be within the scope of the appended claims.

[0022] As Figs. 1-3As shown, a LNG filling ship hydraulic lifting platform, comprising a support seat 5 welded on one side of the ship body 1, the support seat 5 is provided with a first filling platform 3 capable of lifting, the first filling platform 3 is provided with a lifting assembly driving it to lift, the lifting assembly comprises a hydraulic oil cylinder 17 hinged on the support seat 5, the cylinder barrel of the hydraulic oil cylinder 17 is hinged on the support seat 5, the piston rod of the hydraulic oil cylinder 17 is hinged on the middle part of the first support 4, the lower end of the first support 4 is hinged on the support seat 5, and the upper end of the first support 4 is hinged on the first filling platform 3; one end of the first filling platform 3 is hinged on the first support 4, and the other end of the first filling platform 3 is hinged on the second support 8, the second support 8 is provided with a second filling platform 7 arranged along the length direction thereof, the upper end of the second support 8 is hinged on the first filling platform 3, and the lower end of the second support 8 is hinged on the support seat 5; the first filling platform 3 is provided with an upper hinge seat 9 hinged on the second support 8, and the hinge point of the second support 8 hinged on the upper hinge seat 9 is located above the first filling platform 3; the first filling platform 3 is provided with a lower hinge seat 10 hinged on the first support 4, and the hinge point of the first support 4 hinged on the lower hinge seat 10 is located below the first filling platform 3; the support seat 5 is provided with a first hinge seat 14 hinged on the first support 4, the support seat 5 is provided with a second hinge seat 16 hinged on the second support 8, and the support seat 5 is provided with a third hinge seat 15 hinged on the cylinder barrel of the hydraulic oil cylinder 17; the hinge point of the first support 4 hinged on the first hinge seat 14 is lower than the hinge point of the cylinder barrel of the hydraulic oil cylinder 17 hinged on the third hinge seat 15, and the hinge point of the cylinder barrel of the hydraulic oil cylinder 17 hinged on the third hinge seat 15 is lower than the hinge point of the second support 8 hinged on the second hinge seat 16; one end of the first support hinged on the first filling platform 3 is hinged on a ladder 11, one end of the ladder 11 is hinged on the first filling platform 3, and the other end of the ladder 11 is movably installed on one side of the ship body 1, the ship body 1 is provided with a ladder slide rail 13, and the ladder 11 is provided with a sliding block 12 sliding in cooperation with the ladder slide rail 13; the first filling platform 3 comprises a first platform surface, and the periphery of the first platform surface is provided with a first railing 301; the first railing 301 is provided with a first tray 302 supporting a filling hose 2, and the first tray 302 is made of a low-temperature-resistant material, such as an ultra-high molecular weight polyethylene plate; the second filling platform 7 comprises a second platform surface, and the periphery of the second platform surface is provided with a second railing 701; the second railing 701 is provided with a second tray 702 supporting the filling hose 2, and the second tray 702 is made of a low-temperature-resistant material, such as an ultra-high molecular weight polyethylene plate.

[0023] The specific working process and principle of the present application: when the hydraulic cylinder 17 extends, the first support 4 rotates with the hinge point of the first hinge 14 as the center, thereby driving the horizontal descent of the first filling platform 3, and through the descent of the first filling platform 3, the rotation of the second support 8 is driven, since the second filling platform 7 is arranged along the length direction of the second support 8, thereby driving the rotation of the second filling platform 7 with the hinge point of the second hinge 16 as the center, when the hydraulic cylinder 17 completely extends, the first filling platform 3 and the second filling platform 7 are both horizontally arranged on the support seat 5, at the same time, since the hinge point of the upper hinge 9 of the second support 8 is located above the first filling platform 3, and the hinge point of the lower hinge 10 of the first support 4 is located below the first filling platform 3, a height difference is formed between the first filling platform 3 and the second filling platform 7, at this time, the filling hose 2 can be laid on the first filling platform 3 or the second filling platform 7 according to the requirement; when the first filling platform 3 needs to be lifted, the hydraulic cylinder 17 is retracted, thereby driving the rotation of the first support 4, and driving the horizontal ascent of the first filling platform 3, and through the ascent of the first filling platform 3, the second filling platform 7 is rotated, until the hydraulic cylinder 17 is completely retracted, and the second filling platform 7 is vertically arranged on the support seat 5, at this time, the first filling platform 3 is the highest filling position; after the filling position is adjusted, the first tray 302 or the second tray 702 is installed, and the filling hose 2 is laid on the first tray 302 or the second tray 702, the filling hose 2 is connected with the filling port of the merchant ship 6, and the fuel can be delivered.

[0024] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inner", "front", "central", "both ends" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as a limitation on the present application that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0025] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "arrangement", "connection", "fixing", "screw connection" and the like should be understood in a broad sense, for example, can be fixed connection, or can be detachable connection, or can be integrated; can be mechanical connection, or can be electrical connection; can be directly connected, or can be indirectly connected through an intermediate medium; can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise explicitly limited, the specific meaning of the above terms in the present application can be understood according to the specific circumstances by those skilled in the art.

[0026] The foregoing description has shown and described preferred embodiments of the application, but it will be understood that the application is not limited to the particular embodiments shown and described, as such will have many modifications, permutations, additions and subtractions and changes thereof, as will be apparent to those skilled in the art. It is therefore contemplated to cover in the appended claims all such changes and modifications that come within the scope of the application.

Claims

1. A hydraulic lifting platform for an LNG bunkering vessel, characterized in that: The system includes a support base welded to one side of the hull. The support base has a first refueling platform capable of being raised and lowered. The first refueling platform has a lifting assembly for driving its raising and lowering. The lifting assembly includes a hydraulic cylinder hinged to the support base. The cylinder barrel of the hydraulic cylinder is hinged to the support base, and the piston rod of the hydraulic cylinder is hinged to the middle of a first bracket. The lower end of the first bracket is hinged to the support base, and the upper end of the first bracket is hinged to the first refueling platform. One end of the first refueling platform is hinged to the first bracket, and the other end of the first refueling platform is hinged to a second bracket. The second bracket has a second refueling platform arranged along its length. The upper end of the second bracket is hinged to the first refueling platform, and the lower end of the second bracket is hinged to the support base. The first refueling platform has an upper hinge seat that hinges to the second bracket. The hinge point of the second bracket to the upper hinge seat is located above the first refueling platform. The first refueling platform has... The system includes a lower hinge seat for the first hinged support, with the hinge point of the first support hinged to the lower hinge seat located below the first refueling platform. When the hydraulic cylinder is fully extended, a height difference is formed between the first refueling platform and the second refueling platform. The support base is provided with a first hinge seat for the first hinged support, a second hinge seat for the second hinged support, and a third hinge seat for the hydraulic cylinder barrel. The hinge point of the first support hinged to the first hinge seat is lower than the hinge point of the hydraulic cylinder barrel hinged to the third hinge seat, and the hinge point of the hydraulic cylinder barrel hinged to the third hinge seat is lower than the hinge point of the second support hinged to the second hinge seat. One end of the first refueling platform is hinged to the first support and has a ladder. One end of the ladder is hinged to the first refueling platform, and the other end of the ladder is movably installed on one side of the hull. The hull is provided with a ladder slide rail, and the ladder is provided with a sliding block that slides in cooperation with the ladder slide rail.

2. The hydraulic lifting platform for an LNG bunkering vessel according to claim 1, characterized in that: The first refueling platform includes a first platform surface, and a first railing is provided around the first platform surface.

3. The hydraulic lifting platform for an LNG bunkering vessel according to claim 2, characterized in that: The first railing is equipped with a first tray to hold the refueling hose, and the first tray is made of a low-temperature resistant material.

4. The hydraulic lifting platform for an LNG bunkering vessel according to claim 1, characterized in that: The second refueling platform includes a second platform surface, and a second railing is provided around the second platform surface.

5. The hydraulic lifting platform for an LNG bunkering vessel according to claim 4, characterized in that: The second railing is equipped with a second tray to hold the filling hose, and the second tray is made of a low-temperature resistant material.

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