CN213954992U - Ship bank connecting device, ship bank connecting assembly and feeding and discharging system - Google Patents
Ship bank connecting device, ship bank connecting assembly and feeding and discharging system Download PDFInfo
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- CN213954992U CN213954992U CN202022094993.7U CN202022094993U CN213954992U CN 213954992 U CN213954992 U CN 213954992U CN 202022094993 U CN202022094993 U CN 202022094993U CN 213954992 U CN213954992 U CN 213954992U
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Abstract
The utility model provides a ship shore connection device, a ship shore connection assembly and a feeding and discharging system, relating to the technical field of ships; the ship shore connection device is formed by splicing two sections of pipe bodies, sequentially sleeving a heat insulation layer and a shell outside the pipe bodies, and fastening the heat insulation layer and the pipe bodies by adopting a fixing structure; the heat exchange between the ship shore connecting device and the outside is obviously reduced by arranging the heat insulation layer, the shell and the splicing fixed structure, so that the ship shore connecting device is convenient to disassemble, assemble and maintain; the ship bank coupling assembling includes the first installing support of being connected with ship bank connecting device, with external connection's second installing support, two installing supports adopt and connect along the slot hole of vertical direction, through the shrinkage surplus that the slot hole cooperation effectively compensated ship bank connecting device use and should expend with heat and contract with cold and arouse, do not influence ship bank connecting device's installation simultaneously and stabilize, are favorable to ship bank connecting device's maintenance.
Description
Technical Field
The utility model relates to a boats and ships technical field, concretely relates to ship bank connecting device, ship bank coupling assembling and business turn over material system.
Background
In response to the trend of green shipping energy development, the world has been directing vision toward a variety of energy research, particularly LNG. The LNG fuel power ship conforms to the national strategy of energy structure adjustment, conforms to the increasingly high environmental protection requirements in China and the world and has the cost advantage, and is currently the key item of the warfare of the ship industry in China. Although there is uncertainty about the economic efficiency of LNG as a marine fuel in recent years, its role in reducing emissions of carbon dioxide, nitrogen oxides, particulate matter, and the like is not questionable. The LNG power ship filling mode comprises 6 modes of ship-ship, offshore floating facility-ship, tanker-ship, shore-ship, wharf ship-ship, integral tank replacement and the like. When the LNG power ship is filled for the first time, the LNG fuel tank and a system need to be dried, precooled, replaced and filled, and the pipeline needs to be purged and degenerated, wherein the precooling is used for checking and testing whether the performance of the low-temperature equipment and the low-temperature pipeline at low temperature meets the design requirements, and liquid nitrogen precooling and natural gas precooling are generally adopted.
At present, a special feeding and discharging system for precooling and filling of an LNG power ship in the market mainly adopts a large-diameter metal pipeline to transmit low-temperature liquid during engineering application. In order to facilitate precooling of a low-temperature assembly on a ship, the length of a metal pipeline is generally more than 10 meters, and in the prior art, the metal pipeline is generally only a pipe body, so that the heat exchange between the inside and the outside of the pipe body is rapid, and the stable transmission of low-temperature liquid is not facilitated; and the mounting structure of current metal pipeline mainly is applicable to normal atmospheric temperature environment, does not consider the expend with heat and contract with cold influence of transmission medium temperature to metal pipeline, and is relatively poor to boats and ships precooling filling transmission cryogenic liquids's application scene practicality, and connecting portion are not hard up easily, can't compromise body shrinkage allowance and remove portable dismouting, have very big potential safety hazard.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a ship bank connecting device, ship bank coupling assembling and business turn over material system are applicable to the application scene of propagating the precooling to remember transmission cryogenic liquids, can compromise the portable dismouting of removal of compensation body shrinkage surplus and ship bank connecting device in the use simultaneously.
To achieve the above objective, the present invention provides the following technical solutions: a ship shore connection device comprises a first pipe body, a second pipe body, a first heat preservation layer, a second heat preservation layer, a first fixing structure, a first shell and a second shell;
the first pipe body and the second pipe body are coaxially arranged along the vertical direction, the end parts of the first pipe body and the second pipe body, which are close to each other, are hermetically connected, and the first pipe body and the second pipe body are arranged into a central symmetrical structure along the axis of the connecting surface of the first pipe body and the second pipe body;
the first heat-preservation layer is sleeved on the outer wall of the first pipe body and completely covers the outer wall surface of the first pipe body; the second heat-insulating layer is sleeved on the outer wall of the second pipe body and completely coats the outer wall surface of the second pipe body;
the first fixing structures comprise a plurality of fixing structures which are arranged on the first pipe body and the second pipe body at intervals along the vertical direction and are used for fixedly connecting the first heat-insulating layer and the first pipe body, and the second heat-insulating layer and the second pipe body;
the first shell is sleeved on the outer wall of the first heat-preservation layer, and completely covers the outer wall surface of the first heat-preservation layer; the second shell is sleeved on the outer wall of the second heat-insulating layer, and the outer wall surface of the second heat-insulating layer is completely coated by the second shell.
Further, first fixed knot constructs to set up to the clamp structure, the clamp structure includes first clamp, the second clamp that the cooperation was used to and be used for fastening the fastening device of first clamp and second clamp, the clamp structure hoop is established at first heat preservation and second heat preservation outer wall.
Furthermore, first heat preservation and second heat preservation all set up to the red pine wood heat insulation layer, the thickness of red pine wood heat insulation layer is not less than 80 mm.
Furthermore, the outer wall of the first heat-insulating layer and the outer wall of the second heat-insulating layer are at least respectively provided with a pair of clamp structures which are parallel and correspondingly arranged.
Further, the first pipe body and the second pipe body are connected through flanges, and a heat insulation sealing layer is further arranged at the flange connection position of the first pipe body and the second pipe body.
The utility model further provides a ship shore connection component, which comprises a first mounting bracket, a second fixing structure and the ship shore connection device;
the first mounting brackets comprise a plurality of first mounting brackets which are mounted on the ship shore connecting device at intervals; the end part, far away from the first pipe body, of the first mounting bracket mounted on the first pipe body extends to the outer side of the first shell, and the end part is provided with a first mounting surface extending along the vertical direction;
the second mounting brackets are arranged on the outer sides of the ship shore connecting devices, and the number of the second mounting brackets corresponds to that of the first mounting brackets; the end part, close to the ship-shore connecting device, of the second mounting bracket is provided with a second mounting surface extending in the vertical direction, the second mounting surface is parallel to the first mounting surface, and the second mounting surface and the first mounting surface are fastened and connected through a second fixing structure.
Furthermore, a plurality of mounting holes are uniformly formed in the first mounting surface, a plurality of long holes corresponding to the mounting holes are formed in the second mounting surface, and the mounting holes and the long holes are fixed through bolts.
Further, the device also comprises a third mounting bracket; the third installing support sets up in ship bank connecting device bottom, and the third installing support is close to ship bank connecting device's end connection in ship bank connecting device for support in ship bank connecting device along vertical direction.
Further, the first mounting bracket is arranged on the hoop structure and connected to the outer side wall of the hoop structure; the second mounting bracket is a splicing structure consisting of a main rod and two angle steels symmetrically attached to the end part of one side of the main rod, and a side surface of the V-shaped surfaces of the two angle steels and the end surface of the main rod corresponding to the mounting angle steel form a second mounting surface; two groups of long holes are symmetrically arranged on two planes of the second mounting surface formed by the two angle steels along the vertical direction.
The utility model also discloses a business turn over material system that adopts above-mentioned ship bank coupling assembling to carry out the transmission of cryogenic liquids.
According to the technical scheme provided by the utility model, ship bank connecting device, ship bank coupling assembling and business turn over material system that technical scheme provided have obtained following beneficial effect:
the utility model discloses a ship bank connecting device, ship bank connecting assembly and feeding and discharging system, wherein, ship bank connecting device adopts two sections of pipe body concatenation, and the outside of pipe body is sheathed with heat preservation and casing in proper order, and adopts fixed knot structure to fasten heat preservation and pipe body; through setting up heat preservation, casing and the fixed structure of concatenation showing and reducing ship bank connecting device and external heat exchange, the dismouting of the ship bank connecting device of being convenient for is overhauld. The ship bank coupling assembling includes the first installing support of being connected with ship bank connecting device, with external connection's second installing support, two installing supports adopt and connect along the slot hole of vertical direction, through the shrinkage surplus that the slot hole cooperation effectively compensated ship bank connecting device use and should expend with heat and contract with cold and arouse, do not influence ship bank connecting device's installation simultaneously and stabilize, are favorable to ship bank connecting device's maintenance. Adopt above-mentioned ship bank connecting device or ship bank coupling assembling's business turn over material system, because ship bank connecting device's heat preservation effect and installation stability improve, the low temperature liquid transmission of device when using is stable, is showing the reduction by the easy not hard up installation hidden danger that causes of ship bank connecting device.
The ship shore connection device of the utility model adopts the heat insulation layer of the Korean pine wood as the heat insulation layer, compared with the heat insulation material such as quartz cotton, etc., the heat insulation material can not be loosened, and simultaneously the friction between the ship shore connection device and the pipe body after installation is used for fixing the pipe body; korean pine wood heat insulation layer and body adopt the clamp structure fastening, and the clamp structure can provide the installation position of installing support when ship bank connecting device installs, the ship bank connecting device equipment and the dismouting of being convenient for.
The utility model discloses a business turn over material system adopts ship bank coupling assembling, and the business turn over material that carries out the precooling filling to each type number dual fuel power boats and ships is berthed at different docks uses, can adapt to the expend with heat and contract with cold change of temperature to the pipeline all the time under the gas of different saturations, the liquid phase expend with heat and contract with cold effect and change, keeps dual fuel power boats and ships at the business turn over material in-process stability that lasts.
It should be understood that all combinations of the foregoing concepts and additional concepts described in greater detail below can be considered as part of the inventive subject matter of the present disclosure unless such concepts are mutually inconsistent.
The foregoing and other aspects, embodiments and features of the present teachings can be more fully understood from the following description taken in conjunction with the accompanying drawings. Additional aspects of the present invention, such as features and/or advantages of exemplary embodiments, will be apparent from the description which follows, or may be learned by practice of the specific embodiments in accordance with the teachings of the present invention.
Drawings
The drawings are not intended to be drawn to scale. In the drawings, each identical or nearly identical component that is illustrated in various figures may be represented by a like numeral. For purposes of clarity, not every component may be labeled in every drawing. Embodiments of various aspects of the present invention will now be described, by way of example, with reference to the accompanying drawings, in which:
FIG. 1 is a structural diagram of the ship shore connection device of the present invention;
FIG. 2 is a structural diagram of the ship shore connection assembly of the present invention;
FIG. 3 is a view taken along line A-A of FIG. 2;
fig. 4 is a sectional view taken along the direction B-B in fig. 2.
In the figure, the specific meaning of each mark is:
the heat insulation structure comprises a first pipe body 1, a second pipe body 2, a first heat insulation layer 3, a second heat insulation layer 4, a first fixing structure 5, a first shell 6, a second shell 7, a first mounting bracket 8, a second mounting bracket 9, a main rod 9.1, angle steel 9.2 and a third mounting bracket 10.
Detailed Description
In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined below to clearly and completely describe the technical solution of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention. Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs.
The use of "first," "second," and similar terms in the description and in the claims does not indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Similarly, the singular forms "a," "an," or "the" do not denote a limitation of quantity, but rather denote the presence of at least one, unless the context clearly dictates otherwise. The terms "comprises," "comprising," or the like, mean that the elements or items listed before "comprises" or "comprising" encompass the features, integers, steps, operations, elements, and/or components listed after "comprising" or "comprising," and do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. "upper", "lower", "left", "right", and the like are used only to indicate relative positional relationships, and when the absolute position of the object to be described is changed, the relative positional relationships may also be changed accordingly.
The ship shore connection device mounting structure based on the prior art is inconvenient to assemble and disassemble, the insulating layer adopted in low-temperature liquid transmission is mostly made of rock wool and other materials, the ship shore connection device cannot be fixedly supported, and meanwhile, the heat exchange with the outside is rapid, so that the ship shore connection device mounting structure is not suitable for an application scene of precooling and filling of a ship; the utility model aims at providing a ship bank connecting device, ship bank coupling assembling and business turn over material system, through improving ship bank connecting device's structure, can realize ship bank connecting device's the heat preservation of at utmost and insulate against heat, the stable transmission of cryogenic liquids compensates ship bank connecting device shrinkage allowance when can also reusing simultaneously, ensures ship bank connecting device mounting structure's stability.
The embodiments shown in the drawings are combined below to further specifically describe the ship shore connection device, the ship shore connection assembly and the feeding and discharging system of the present invention.
Referring to fig. 1, a ship-shore connection device includes a first pipe 1, a second pipe 2, a first heat insulating layer 3, a second heat insulating layer 4, a first fixing structure 5, a first housing 6, and a second housing 7; the first pipe body 1 and the second pipe body 2 are coaxially arranged along the vertical direction, the end parts, close to each other, of the first pipe body 1 and the second pipe body 2 are hermetically connected, and the first pipe body 1 and the second pipe body 2 are arranged into a central symmetrical structure along the axis of the connecting surface of the first pipe body and the second pipe body; that is, as shown in the figure, the first pipe 1 and the second pipe 2 are vertically installed, and both structures are the same.
The first heat-preservation layer 3 is sleeved on the outer wall of the first pipe body 1, and the first heat-preservation layer 3 completely covers the outer wall surface of the first pipe body 1; the second heat-insulating layer 4 is sleeved on the outer wall of the second pipe body 2, and the second heat-insulating layer 4 completely covers the outer wall surface of the second pipe body 2; in the prior art, the heat insulation layer adopted for realizing the heat insulation of the pipeline is mainly made of soft cotton such as rock wool, and when the heat insulation layer is applied to the installation of a ship shore connecting device, the rock wool material cannot support a pipe body and is easy to damage and fall off; therefore, the utility model discloses in, first heat preservation 3 and second heat preservation 4 all set up to the Korean pine wood heat insulation layer to the thickness of Korean pine wood heat insulation layer is not less than 80mm, and the Korean pine wood heat insulation layer can provide the supporting role for the body after laminating with the body outer wall body, and supplementary body installation is fixed.
In order to further enhance the connection effect of the heat insulation layer and the pipe body, the embodiment shown in the attached drawings is provided with a plurality of first fixing structures 5, wherein the first fixing structures 5 are arranged on the first pipe body 1 and the second pipe body 2 at intervals along the vertical direction and are used for fixedly connecting the first heat insulation layer 3 with the first pipe body 1, and the second heat insulation layer 4 with the second pipe body 2; referring to fig. 4, the heat-insulating layer and the pipe body are fastened by a hoop structure hooped outside the first heat-insulating layer 3 and the second heat-insulating layer 4. Specifically do, the clamp structure includes first clamp, the second clamp that the cooperation was used to and be used for fastening the fastening device of first clamp and second clamp, the clamp structure prevents that the Korean pine wood heat insulation layer from droing from the body. And in order to ensure the fastening effect of the clamp structure to the heat preservation layer and the pipe body, the outer wall of the first heat preservation layer 3 and the outer wall of the second heat preservation layer 4 are at least respectively provided with a pair of parallel clamp structures which are correspondingly arranged.
The first shell 6 is sleeved on the outer wall of the first heat-preservation layer 3, and the first shell 6 completely covers the outer wall surface of the first heat-preservation layer 3; the second shell 7 is sleeved on the outer wall of the second heat-insulating layer 4, and the second shell 7 completely covers the outer wall surface of the second heat-insulating layer 4. The first shell 6 and the second shell 7 are generally made of stainless steel sheets, and the shells are coated on the heat-insulating layer, so that the damage to the heat-insulating layer is effectively reduced. When the ship shore connection device is used, low-temperature liquid leakage is caused, and a heat insulation sealing layer is further arranged at the flange connection position of the first pipe body 1 and the second pipe body 2 to achieve a sealing effect. Meanwhile, at the flange joint, the heat-insulating layer and the shell are sequentially coated outside the joint, so that the heat loss at the joint is reduced.
As shown in fig. 2, the present invention further provides a ship-shore connection assembly, which includes a first mounting bracket 8, a second mounting bracket 9, a second fixing structure, and the ship-shore connection device; wherein, first installing support 8 includes a plurality of, and the interval is installed on ship bank connecting device, and the tip that first installing support 8 installed on first body 1 is kept away from first body 1 extends to the 6 outsides of first casing to the tip is provided with the first installation face that extends along vertical direction. The second mounting brackets 9 are arranged outside the ship-shore connecting device, the number of the second mounting brackets 9 corresponds to that of the first mounting brackets 8, the end parts, close to the ship-shore connecting device, of the second mounting brackets 9 are provided with second mounting surfaces extending along the vertical direction, the second mounting surfaces are parallel to the first mounting surfaces, and the second mounting surfaces and the first mounting surfaces are fixedly connected through a second fixing structure. One end of the second mounting bracket 9, which is far away from the ship-shore connecting device, is used for fixedly connecting other mounting structures, for example, when the ship-shore connecting assembly is used for precooling and filling ships, the second mounting bracket 9 is connected with the steel beam of the boarding ladder.
In order to realize the compensation of cold shrinkage allowance of the ship-shore connecting device, the problem is solved by adopting a long hole matched mode in the ship-shore connecting assembly. Specifically, evenly be provided with a plurality of mounting holes on first installation face, be provided with a plurality of slot holes that correspond to the mounting hole on the second installation face, adopt the bolt fastening between mounting hole and the slot hole, when the body appears the shrinkage surplus, the whole slot hole that and the bolt can be on the second installation face of ship bank connecting device removes, realizes the compensation to the compression surplus.
It is shown in combination with fig. 4, for the dismouting of first installing support 8, first installing support 8 sets up on the clamp structure, connects in clamp structure lateral wall, can realize dismantling the equipment of the ship bank coupling assembling of being convenient for with the integration of clamp structure. With reference to fig. 3 and 4, the second mounting bracket 9 is a splicing structure formed by a main rod 9.1 and two angle steels 9.2 symmetrically attached to one side end of the main rod 9.1, and a side surface of the two angle steels 9.2V-shaped surfaces and an end surface of the main rod 9.1 corresponding to the mounting angle steel 9.2 form a second mounting surface; two groups of long holes are symmetrically arranged on two planes of the second mounting surface formed by the two angle steels 9.2 along the vertical direction.
Above-mentioned structure only discloses a compound mode of ship bank coupling assembling, the utility model discloses do not prescribe a limit to the concrete structure of first installing support 8 and second installing support 9, can realize that second installing support 9 also should the other structures of compensating and recovering to body shrinkage surplus the utility model discloses an within range.
In addition, for further strengthening ship bank connecting device's installation stability among the ship bank coupling assembling, ship bank coupling assembling still includes third installing support 10, third installing support 10 sets up in ship bank connecting device bottom, third installing support 10 is close to ship bank connecting device's end connection in ship bank connecting device for support in ship bank connecting device along vertical direction, support ship bank connecting device along ship bank connecting device gravity direction promptly, prevent when the frictional force on heat preservation is not enough to support fixed ship bank connecting device, the body drops.
The utility model also discloses an adopt above-mentioned ship bank coupling assembling to carry out the business turn over material system of cryogenic liquids transmission, this business turn over material system can lean on the berth to the business turn over material use that each type of double fuel power boats and ships carried out the precooling filling at different docks, can be adapted to the expend with heat and contract with cold influence of temperature to the pipeline all the time under the gas of different saturations, liquid phase effect, keep the business turn over material in-process that lasts to connect stably, detect whether boats and ships cryogenic equipment performance is up to standard. Because ship bank coupling assembling installation reliable and stable is high, can stably transmit cryogenic liquids, compromise body shrinkage allowance and remove portable dismouting.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention. The present invention is intended to cover by those skilled in the art various modifications and adaptations of the invention without departing from the spirit and scope of the invention. Therefore, the protection scope of the present invention is subject to the claims.
Claims (10)
1. A ship shore connection device is characterized by comprising a first pipe body, a second pipe body, a first heat insulation layer, a second heat insulation layer, a first fixing structure, a first shell and a second shell;
the first pipe body and the second pipe body are coaxially arranged along the vertical direction, the end parts of the first pipe body and the second pipe body, which are close to each other, are hermetically connected, and the first pipe body and the second pipe body are arranged into a central symmetrical structure along the axis of the connecting surface of the first pipe body and the second pipe body;
the first heat-preservation layer is sleeved on the outer wall of the first pipe body and completely covers the outer wall surface of the first pipe body; the second heat-insulating layer is sleeved on the outer wall of the second pipe body and completely coats the outer wall surface of the second pipe body;
the first fixing structures comprise a plurality of fixing structures which are arranged on the first pipe body and the second pipe body at intervals along the vertical direction and are used for fixedly connecting the first heat-insulating layer and the first pipe body, and the second heat-insulating layer and the second pipe body;
the first shell is sleeved on the outer wall of the first heat-preservation layer, and completely covers the outer wall surface of the first heat-preservation layer; the second shell is sleeved on the outer wall of the second heat-insulating layer, and the outer wall surface of the second heat-insulating layer is completely coated by the second shell.
2. The ship shore connection of claim 1 wherein said first fastening means is provided in the form of a clamp arrangement, said clamp arrangement including a first clamp, a second clamp, and a fastening means for fastening the first clamp to the second clamp, said clamp arrangement being fastened to the outer walls of the first and second insulating layers.
3. The ship shore connection of claim 1, wherein said first and second insulating layers are each provided as a red pine insulation layer having a thickness of not less than 80 mm.
4. The ship shore connection of claim 2 wherein said first and second insulating outer walls are each provided with at least one pair of parallel and correspondingly disposed clamp structures.
5. The ship shore connection of claim 1 wherein the first and second tubular bodies are flanged and a heat insulating seal is provided at the flanged connection of the first and second tubular bodies.
6. A shore connection assembly, comprising a first mounting bracket, a second mounting bracket and a second securing structure, and a shore connection apparatus according to any one of claims 1 to 5;
the first mounting brackets comprise a plurality of first mounting brackets which are mounted on the ship shore connecting device at intervals; the end part, far away from the first pipe body, of the first mounting bracket mounted on the first pipe body extends to the outer side of the first shell, and the end part is provided with a first mounting surface extending along the vertical direction;
the second mounting brackets are arranged on the outer sides of the ship shore connecting devices, and the number of the second mounting brackets corresponds to that of the first mounting brackets; the end part, close to the ship-shore connecting device, of the second mounting bracket is provided with a second mounting surface extending in the vertical direction, the second mounting surface is parallel to the first mounting surface, and the second mounting surface and the first mounting surface are fastened and connected through a second fixing structure.
7. The ship shore connection assembly of claim 6, wherein the first mounting surface is uniformly provided with a plurality of mounting holes, the second mounting surface is provided with a plurality of long holes corresponding to the mounting holes, and the mounting holes and the long holes are fixed by bolts.
8. The ship shore connection assembly of claim 6, further comprising a third mounting bracket; the third installing support sets up in ship bank connecting device bottom, and the third installing support is close to ship bank connecting device's end connection in ship bank connecting device for support in ship bank connecting device along vertical direction.
9. The ship shore connection assembly of claim 7 wherein said first mounting bracket is provided on a clip structure, attached to a clip structure outer side wall;
the second mounting bracket is a splicing structure consisting of a main rod and two angle steels symmetrically attached to the end part of one side of the main rod, and a side surface of the V-shaped surfaces of the two angle steels and the end surface of the main rod corresponding to the mounting angle steel form a second mounting surface; two groups of long holes are symmetrically arranged on two planes of the second mounting surface formed by the two angle steels along the vertical direction.
10. A feed and discharge system, characterized in that it employs the shore connection assembly of claim 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022094993.7U CN213954992U (en) | 2020-09-22 | 2020-09-22 | Ship bank connecting device, ship bank connecting assembly and feeding and discharging system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022094993.7U CN213954992U (en) | 2020-09-22 | 2020-09-22 | Ship bank connecting device, ship bank connecting assembly and feeding and discharging system |
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| CN213954992U true CN213954992U (en) | 2021-08-13 |
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| CN202022094993.7U Active CN213954992U (en) | 2020-09-22 | 2020-09-22 | Ship bank connecting device, ship bank connecting assembly and feeding and discharging system |
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