CN211107892U - Amphibious L NG tank container reloading ship - Google Patents

Abstract

The utility model provides an amphibious L NG tank container reloading ship, including the hull, be equipped with hoisting accessory on the hull, be equipped with first ballast tank in the one end of hull, the bottom of first ballast tank is equipped with the inclined plane that contacts with the slope lane, still be equipped with the pump chamber that is used for adjusting first ballast tank internal load, the one end that is close to first ballast tank at the hull is equipped with the driving springboard, pull the hull to slope lane suitable position during the use, increase the load to first ballast tank internal water injection through the pump chamber, make the bottom and the slope lane contact of first ballast tank, tie the splayed cable of stern and shoreside, the vehicle transports L tank container to the hull from the bank on, hoist L tank NG tank container from the vehicle on to the deck of hull, realize L tank container's reloading, the utility model overcomes the water level lift change, realized only needing to occupy less tank line resource, can accomplish from land to the reloading of L tank container on water, and operating speed NG tank container is fast, and safe efficiency is high.

Description

Amphibious L NG tank container reloading ship

Technical Field

The utility model relates to a marine L NG energy reloading field, especially an amphibious L NG tank container reloading ship.

Background

L NG is short for liquefied Natural Gas (L iquefield Natural Gas, L NG for short), the main component is methane, which is recognized as the cleanest fossil energy on the earth, colorless, tasteless, nontoxic and noncorrosive, numerous inland river vessels in China and huge water transport potential, the L NG fuel-powered ship in the prior art adopts a fixed storage tank, the fixed storage tank depends on a filling station on the shore or a filling pontoon on the shore to fill the fixed storage tank, for example, a mobile filling-liquid ship recorded in the Chinese patent document CN106428445A adopts a filling mode to supply fuel, the filling station construction faces the difficulty in site selection, the investment is huge, the approval period is long, so that the filling quantity of L stations put into use at the current stage is increased slowly, the filling requirement of a L NG fuel-powered ship which is not met in the water transport industry at the current stage can not be developed quickly, the 3874 NG fuel-powered ship is a main obstacle that the development cannot be realized quickly, L NG is imported from the overseas a large resource, the rich transportation market at the current, the large-period is realized by adopting a large-period of importing and a large-scale tank-based container exchange ship, the large-tank-based container-storage ship is not adopted in a large-tank-exchange-based container-storage-based container-exchange-based container-exchange-based container-based transportation mode, the large-based container-exchange-based.

The river is greatly influenced by withered and flood water, particularly in the Yangtze river and three gorges reservoir area, the water level fall can reach more than 30 meters, a bank-based reloading station needs to be built, the construction investment is very large because the water level change of the large fall is adapted, the examination and approval of a bank line are difficult, then a bank-based filling station needs to build piles, columns and a bank wall in the river, flood safety is seriously influenced, the examination and approval of the bank-based filling station relate to departments such as fire control, flood control, national soil and residential construction, for example, a Jinghang canal bank station needs to be built in a dam, so flood control evaluation is difficult to pass, the bank line resource is 'difficult to be required', the land of the bank line station cannot 'take pictures and hang up', a channel does not require standards, and the like, and the bank-based reloading station is difficult to be built again, so that an economic and applicable container is developed, and the amphibious L tank type reloading ship which occupies very few bank line resources can actively contribute to the development of the Yangtze river and the high-quality protection of the high-river.

Chinese patent document CN202990001U amphibious river channel operation platform, comprising a hull with a supporting platform, a propulsion device mounted at the tail of the hull, crawler belt transmission devices arranged at two sides of the bottom of the hull, the crawler belt transmission devices being driven by a motor arranged on the supporting platform; the front side of the ship body is provided with a connecting device, the front part of the supporting platform is provided with a hoisting device, and the hoisting device and the connecting device are connected by a steel cable; the supporting platform is provided with a generator assembly. Through the setting of crawler drive and traditional draw gear on water's cooperation use, can realize carrying out the operation under two kinds of environment on water and the no water beach, and can climb over the small-angle slope, can come in and go out silt ground by oneself in the lower river course of some river banks, through connecting device's setting, can install operating means such as desilting device and rubbish cleaning device on the connecting device according to the operation needs. However, the structure is complicated and is not favorable for production.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that an amphibious L NG tank container reloading ship is provided, can reduce the occuping of the line resource of opposite bank, and the reloading operation is convenient, and can overcome the influence that the water level goes up and down to change.

In order to solve the technical problem, the technical scheme adopted by the utility model is that the amphibious L NG tank type container reloading ship comprises a ship body, wherein a hoisting device is arranged on the ship body, a first ballast tank is arranged at one end of the ship body, the bottom of the first ballast tank is provided with an inclined plane which is contacted with a slope lane, and a pump cabin for adjusting the load in the first ballast tank is also arranged;

and a driving springboard is arranged at one end of the ship body close to the first ballast tank.

In the preferred scheme, a tail ballast tank is further arranged at one end, far away from the head ballast tank, of the ship body, and the pump tank is connected with the head ballast tank and the tail ballast tank respectively.

In a preferred embodiment, the width of the hull is sufficient for a 360 ° turn of the vehicle.

In a preferred scheme, the hoisting device has the structure that: the gantry is provided with a hoisting longitudinal beam, the hoisting longitudinal beam is provided with a hoisting cart which travels longitudinally, the hoisting cart is provided with a hoisting trolley which travels transversely, and the hoisting trolley is provided with a hoisting device for hoisting.

The hoisting longitudinal beam is provided with a cantilever section, and the cantilever section is positioned far away from the first ballast tank and extends out of the ship body.

In a preferable scheme, the length of the cantilever section extending out of the ship body is larger than or equal to the width of an L NG ship.

In a preferred scheme, the structure of the portal frame is as follows: two rear upright columns are arranged at the positions close to the first ballast tank, two front upright columns are arranged at the positions close to the tail ballast tank, the height of each front upright column is greater than that of each rear upright column, a hoisting longitudinal beam is arranged at the top of each rear upright column, and a cross beam is arranged between each front upright column and each rear upright column;

the front upright post is provided with a plurality of stay cables which are respectively connected with a cantilever section and a non-cantilever section of the hoisting longitudinal beam.

In the preferred scheme, a reinforced upright post is arranged between the front upright post and the rear upright post, and an inclined strut is arranged between the reinforced upright post and the front upright post or the rear upright post.

In the preferable scheme, the travelling crane springboard is hinged with a hull deck at one end of a hull where a first ballast tank is located, the fixed pulley block is hinged with the travelling crane springboard, the movable pulley block is hinged with the door frame, the hoisting device is fixedly installed on the hull, and the steel wire rope penetrates through the guide wheel to be connected with the fixed pulley block and the movable pulley block.

The method for replacing the amphibious L NG tank container ship comprises the following steps:

s1, dragging the ship body to a proper position of the slope lane, injecting water into the first ballast tank through the pump compartment to increase the load, and enabling the bottom of the first ballast tank to be in contact with the slope lane;

s2, tying a splayed cable at the stern and at the shore base, wherein one end of the splayed cable is connected with an electric stranded cable winch arranged at the tail of the ship body, and the other end of the splayed cable is connected with a ground bull on a slope lane;

s3, putting down the ramp;

the vehicle transports the L NG tank container to the hull from the shore, hoists the L NG tank container from the vehicle to the deck of the hull by a hoisting device, or hoists the container directly to the L NG ship, and unloads the L NG tank container on the L NG ship to the deck of the hull, or unloads the container directly to the vehicle;

the reloading of L NG tank containers is realized through the steps.

When the ship needs to move, the hoisting device is started, the travelling crane springboard is hoisted, the load water in the first ballast tank is pumped out through the pump tank, the load is added to the tail ballast tank by injecting water, the bottom of the first ballast tank leaves the slope lane, and meanwhile, the splayed cable of the stern and the shore base is gradually loosened;

and (5) dragging the ship body to a proper position of the slope lane, and repeating the steps S1 and S2 to complete the relocation of the ship body.

The utility model provides a pair of amphibious L NG tank container reloading ship, through set up hoisting accessory on the hull, and adopt adjustment hull draft water level, overcome the scheme that the water level goes up and down to change, realized only needing to occupy less bank line resource, can accomplish from land to the reloading of the tank container of overwater L NG ship, and the operating speed is fast, and is safe efficient, the utility model discloses an adopt amphibious formula frame shape structure, obtain amphibious formula L NG tank container reloading stable operation platform with very low cost, conveniently realize L NG fuel supply through the mode of directly getting directly the method of unloading and changing L NG tank container, calculate according to the main line Shanghai to Luzhou total 2760KM of Yangtze, arrange that 15 amphibious formula L NG tank container reloading ship can solve the long main line L and annotate the difficult problem, can realize overwater, land multiple intermodal transportation to L NG fuel supply of fuel power, can also be carried out the tank container NG by L by overwater, the clean energy source is realized to the river basin industry "L tank clean on water".

Drawings

The invention will be further explained with reference to the following figures and examples:

fig. 1 is a schematic structural diagram of the L NG boat during reloading.

Fig. 2 is a schematic structural view of the amphibious L NG tank container when it is embarked during reloading.

Fig. 3 is a top view of the deck of the amphibious L NG tank container reloading ship of the utility model.

Fig. 4 is a plan view of the arrangement of the cabin in the present invention.

Fig. 5 is a side view of the middle door frame of the present invention.

In the figure, a ship body 1, a first ballast tank 2, a tail ballast tank 3, a pump cabin 4, a travelling ramp 5, a hoisting device 6, a movable pulley block 7, a steel wire rope 8, a fixed pulley block 9, a portal frame 10, a stay cable 11, a hoisting trolley 12, a cantilever section 13, an L NG ship 14, a hoisting cart 15, a rear upright post 16, a hoisting longitudinal beam 17, a cross beam 18, a front upright post 19, a reinforced upright post 20, an inclined strut 21, a slope lane 22, a hoisting device 23 and a guide wheel 24.

Detailed Description

Example 1:

as shown in fig. 2-5, an amphibious L NG tank container reloading ship comprises a ship body 1, wherein a hoisting device is arranged on the ship body 1, two first ballast tanks 2 are arranged at one end of the ship body 1, one first ballast tank 2 is arranged at each of two sides of the head of the ship body, inclined planes which are in contact with inclined lanes 22 are arranged at the bottoms of the first ballast tanks 2, preferably, the inclination of the inclined lanes 22 is 8 degrees, the inclined planes at the bottoms of the first ballast tanks 2 are correspondingly 8 degrees, wear-resistant materials such as rubber for wear resistance are arranged at the positions of the inclined planes, and a pump chamber 4 for adjusting the load in the first ballast tanks 2 is further arranged;

a driving springboard 5 is arranged at one end of the ship body 1 close to the first ballast tank 2, and preferably, the driving springboard 5 adopts a retractable structure. With this structure, the hull 1 can be easily switched between the floating state and the landing state by adjusting the load water in the first ballast tank 2.

The preferred scheme is as shown in figure 2, the end of the ship body 1 far away from the first ballast tank 2 is also provided with a tail ballast tank 3, and a pump cabin 4 is respectively connected with the first ballast tank 2 and the tail ballast tank 3. the structure can realize the quick switching between the floating state and the shoring state by adjusting the balance ballast, when the ship leans against the slope and leans against the shore, the first ballast tank 2 is filled with ballast, the ship is anchored on the slope lane 22 of the shore base by the gravity of the ballast, thereby greatly reducing the gravity center of the ship, improving the stability of the ship body, simultaneously mooring the splayed mooring rope and the ground cattle with the cable pile at the tail of the ship body and the shore base, and a jumping board resists the triangular fulcrum formed by the slope, the mooring method is safe and reliable, moreover, the mooring device is not needed, the construction cost is reduced, the energy waste of an anchor machine and the anchor ship is needed when the anchor device moors, the mooring method needs to be started, the safe mooring tank filling of the NG 14 and the container L, the floating ballast tank can be started again when the ship moves to the water tank, the bow part of the ship is started, the mooring rope, the floating ballast can be started conveniently, the water transfer process can be started, and the water transfer process can be carried out, the practical water transfer process of the ship can be carried out, the water transfer process can be carried out conveniently, the water transfer process of the ship body can be carried out, the ballast tank.

The preferred solution is as in fig. 3, the hull 1 is wide enough for the vehicle to make a 360 ° turn. With the structure, the ship body 1 has enough width, thereby being convenient for driving.

In the preferred scheme, the hoisting device has the structure that a hoisting longitudinal beam 17 is arranged on the portal frame 10, a hoisting cart 15 which travels longitudinally is arranged on the hoisting longitudinal beam 17, a hoisting trolley 12 which travels transversely is arranged on the hoisting cart 15, and a hoisting device 23 for hoisting is arranged on the hoisting trolley 12 and is used for hoisting L NG tank containers.

The hoisting longitudinal beam 17 is provided with a cantilever section 13 as shown in figures 1 and 2, the cantilever section 13 is positioned far away from the initial ballast tank 2 and extends out of the ship body 1, and the length of the cantilever section 13 extending out of the ship body 1 is more than or equal to the width of an L NG ship 14 in a preferred scheme as shown in figure 2, so that the hoisting trolley 12 can move back and forth above a deck of an amphibious L NG tank container reloading ship and above a L NG ship 14, and the L NG tank container reloading is realized.

In a preferred embodiment as shown in fig. 1, 2 and 5, the gantry 10 has a structure: two rear upright columns 16 are arranged at positions close to the first ballast tank 2, two front upright columns 19 are arranged at positions close to the tail ballast tank 3, the height of each front upright column 19 is greater than that of each rear upright column 16, a hoisting longitudinal beam 17 is arranged at the top of each rear upright column 16, a cross beam 18 is arranged between each front upright column 19 and each rear upright column 16, preferably, the cross beam between the rear upright columns 16 is in a C-shaped structure, and the C-shaped cross beam is welded and connected with the outer sides of the rear upright columns 16 to improve safety;

as shown in fig. 2, a plurality of stay cables 11 are arranged on the front upright post 19, and the stay cables 11 are respectively connected with the cantilever section 13 and the non-cantilever section of the hoisting longitudinal beam 17, so that the structure ensures reliable stress of the cantilever section 13.

In a preferred scheme, a reinforced upright post 20 is further arranged between the front upright post 19 and the rear upright post 16, and an inclined strut 21 is arranged between the reinforced upright post 20 and the front upright post 19 or the rear upright post 16. With this structure, the support strength of the front pillar 19 is enhanced.

The preferable scheme is as shown in fig. 2, the travelling crane springboard 5 is hinged with a hull deck at one end of the hull 1 where the first ballast tank 2 is located, the fixed pulley block 9 is hinged with the travelling crane springboard 5, the movable pulley block 7 is hinged with the portal 10, the hoisting device 23 is fixedly installed on the hull 1, and the steel wire rope 8 passes through the guide wheel 24 and is connected with the fixed pulley block 9 and the movable pulley block 7. The utility model discloses a 5 long 18m of driving springboard, wide 7.2m meter, the vehicle of being convenient for is from top to bottom.

Example 2:

on the basis of embodiment 1, as shown in fig. 1, the method for reloading the amphibious L NG tank container ship comprises the following steps:

s1, the ship body 1 is pulled to a proper position of the slope lane 22, water is filled into the first ballast tank 2 through the pump tank 4 to increase the load, and the bottom of the first ballast tank 2 is in contact with the slope lane 22; the water channel is towed by a tugboat, the position close to the land base is towed by a cable, one end of the cable is connected with an electric stranded cable winch arranged at the tail part of the ship body 1, the other end of the cable is connected with a ground ox on a slope lane 22, and the towing adjustment of the position of the ship body 1 is realized by tightening or loosening the cable through the electric stranded cable winch.

S2, tying a splayed cable of a stern and a shore base, wherein one end of the splayed cable is connected with an electric stranded cable winch arranged at the tail of the ship body 1, and the other end of the splayed cable is connected with a ground bracket on the slope lane 22;

s3, starting the winding device 6, loosening the steel wire rope 8, putting down the traveling springboard 5, and putting the traveling springboard 5 on the slope lane 22;

the vehicle transports the L NG tank container from shore to the hull 1, hoists the L NG tank container from the vehicle to the deck of the hull 1 or directly onto the L NG vessel 14 by the hoist, and unloads the L NG tank container on the L NG vessel 14 to the deck of the hull 1 or directly onto the vehicle;

the preferred scheme is as in figure 3 the utility model discloses a hull 1's deck is wider, is connected with the land-based through driving springboard 5, and the vehicle that ships L NG tank container can be convenient goes on, down the operation, can also be on the deck convenient turn around, in view of the above, can reach the splendid attire to saving and utilizing harbour bank line resource, only need a slope lane more than or equal to 8 to just can berth amphibious L NG tank container and change the shipment, L NG tank container can adopt the harbour safety handling of directly getting directly to adorn.

When the ship needs to move, the hoisting device 23 is started, the travelling springboard 5 is hoisted, the load water in the first ballast tank 2 is pumped out through the pump tank 4, and water is injected into the tail ballast tank 3 to increase the load, so that the bottom of the first ballast tank 2 leaves the slope lane 22, and the splayed cable of the stern and the shore base is gradually loosened;

the ship body 1 is pulled to the proper position of the slope lane 22 by the mode that the splayed cable is tightened or loosened by the electric stranding winch, and the steps S1 and S2 are repeated, namely the relocation of the ship body 1 is completed.

The above-mentioned embodiments are merely preferred embodiments of the present invention, and should not be considered as limitations of the present invention, and the protection scope of the present invention should be defined by the technical solutions described in the claims, and includes equivalent alternatives of technical features in the technical solutions described in the claims. Namely, equivalent alterations and modifications within the scope of the invention are also within the scope of the invention.

Claims (8)

1. An amphibious L NG tank container reloading ship comprises a ship body (1), wherein a hoisting device is arranged on the ship body (1), and is characterized in that a first ballast tank (2) is arranged at one end of the ship body (1), the bottom of the first ballast tank (2) is provided with an inclined plane which is in contact with a slope lane (22), and a pump cabin (4) for adjusting the load in the first ballast tank (2) is also arranged;

a driving springboard (5) is arranged at one end of the ship body (1) close to the first ballast tank (2).

2. An amphibious L NG tank container reloading ship according to claim 1, characterized in that a tail ballast tank (3) is further arranged at one end of the ship body (1) far away from the head ballast tank (2), and the pump tank (4) is respectively connected with the head ballast tank (2) and the tail ballast tank (3).

3. An amphibious L NG tank container reloading ship according to claim 1, characterized in that the width of the hull (1) is sufficient for the vehicle to make a 360 ° turn.

4. An amphibious L NG tank container reloading ship according to claim 1, wherein the lifting device is structurally characterized in that a lifting longitudinal beam (17) is arranged on a portal frame (10), a lifting cart (15) traveling along the longitudinal direction is arranged on the lifting longitudinal beam (17), a lifting trolley (12) traveling along the transverse direction is arranged on the lifting cart (15), and a hoisting device (23) for hoisting is arranged on the lifting trolley (12);

the hoisting longitudinal beam (17) is provided with a cantilever section (13), and the cantilever section (13) is positioned far away from the first ballast tank (2) and extends out of the ship body (1).

5. An amphibious L NG tank container reloading ship according to claim 4, characterized in that the length of the cantilever section (13) extending out of the hull (1) is greater than or equal to the width of the L NG ship (14).

6. An amphibious L NG tank container reloading ship according to claim 4, wherein the gantry (10) is structured such that two rear uprights (16) are provided at positions close to the primary ballast tank (2), two front uprights (19) are provided at positions close to the secondary ballast tank (3), the height of the front uprights (19) is greater than that of the rear uprights (16), a lifting longitudinal beam (17) is provided at the top of the rear uprights (16), and a cross beam (18) is provided between the front uprights (19) and the rear uprights (16);

the front upright post (19) is provided with a plurality of stay cables (11), and the stay cables (11) are respectively connected with a cantilever section (13) and a non-cantilever section of the hoisting longitudinal beam (17).

7. An amphibious L NG tank container reloading ship according to claim 6, characterized in that a reinforced upright post (20) is further arranged between the front upright post (19) and the rear upright post (16), and a diagonal brace (21) is arranged between the reinforced upright post (20) and the front upright post (19) or the rear upright post (16).

8. An amphibious L NG tank container reloading ship according to claim 4, wherein the travelling crane springboard (5) is hinged with a ship deck at one end of the ship body (1) where the first ballast tank (2) is located, the fixed pulley block (9) is hinged with the travelling crane springboard (5), the movable pulley block (7) is hinged with the portal (10), the hoisting device (23) is fixedly installed on the ship body (1), and the steel wire rope (8) passes through the guide wheel (24) and is connected with the fixed pulley block (9) and the movable pulley block (7).

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