阅读说明：本技术 一种无泵式海底采矿输送系统 (Pumpless type submarine mining conveying system ) 是由 黎宙 郑皓 李小艳 彭赛锋 程阳锐 彭建平 于 2021-02-26 设计创作，主要内容包括：本发明公开了一种无泵式海底采矿输送系统,包括水面船舶、水下储料仓和用于将水下储料仓中矿物输送至水面船舶的输送装置,输送装置包括绳缆和设于水面船舶上的驱动组件,绳缆的两端与驱动组件相连,绳缆的中部绕设在水下储料仓上,在水下储料仓和驱动组件之间形成由驱动组件驱动上下运行的两段升降运行段；各升降运行段上均安装有能由升降运行段带着在水面船舶和水下储料仓之间运动的提升仓,提升仓设有用于与水下储料仓对接以接收矿物的可开闭进料机构和用于将矿物排出的可开闭出料机构。本发明具有结构简单、成本低、工作可靠性和连续性好、布放回收及维护简便、对水面船舶的承载能力和性能要求低等优点。(The invention discloses a pumpless type submarine mining conveying system, which comprises a surface ship, an underwater storage bin and a conveying device, wherein the conveying device is used for conveying minerals in the underwater storage bin to the surface ship; each lifting operation section is provided with a lifting bin which can be driven by the lifting operation section to move between a water surface ship and an underwater storage bin, and the lifting bin is provided with an openable feeding mechanism which is butted with the underwater storage bin to receive minerals and an openable discharging mechanism which is used for discharging the minerals. The invention has the advantages of simple structure, low cost, good working reliability and continuity, simple and convenient distribution, recovery and maintenance, low requirements on the bearing capacity and performance of the water surface ship and the like.)

1. The utility model provides a no pump formula seafloor mining conveying system, includes surface vessel (1), storage silo (2) and is arranged in transporting the conveyor to surface vessel (1) with the mineral in storage silo (2) under water, its characterized in that: the conveying device comprises a rope (3) and a driving assembly (4) arranged on the water surface ship (1), two ends of the rope (3) are connected with the driving assembly (4), the middle of the rope (3) is wound on the underwater storage bin (2), two sections of lifting operation sections (31) which are driven by the driving assembly (4) to move up and down are formed between the underwater storage bin (2) and the driving assembly (4), each lifting operation section (31) is provided with a lifting bin (5) which can be driven by the lifting operation section (31) to move between the water surface ship (1) and the underwater storage bin (2), and the lifting bin (5) is provided with a openable feeding mechanism (51) which is in butt joint with the underwater storage bin (2) to receive minerals and an openable discharging mechanism (52) which is used for discharging the minerals.

2. The pumpless seafloor mining conveyor system of claim 1, wherein: the utility model discloses an underwater storage silo, including the cabin body (21) that has storage cavity (22), corresponding every lifting bin (5) on the cabin body (21) all be equipped with one with discharge opening (23) of storage cavity (22) intercommunication, each discharge opening (23) department is equipped with and is used for opening and closing the switching control subassembly of discharge opening (23), openable feed mechanism (51) are for opening at the switching control subassembly by the drive of switching control subassembly, close at the switching control subassembly when discharge opening (23) rely on the feed mechanism that the elastic component drive was closed during discharge opening (23).

3. The pumpless seafloor mining conveyor system of claim 2, wherein: the lifting bin (5) comprises a shell (53) with an inner cavity, the openable feeding mechanism (51) comprises a feeding port (511) arranged on the shell (53) and communicated with the inner cavity and a feeding control door (512) which is hinged on the shell (53) and can swing around a hinged shaft to open and close the feeding port (511), the feeding control door (512) is connected with an elastic component (513) which forces the feeding control door (512) to swing to a state of closing the feeding port (511) when the feeding control door (512) is not under the action of external force, the openable control component comprises a discharging control door (24) which is hinged on a cabin body (21) and can swing around a hinged axis to open and close the discharging port (23) and an opening and closing driving component (25) used for driving the discharging control door (24) to swing, and the feeding port (511) is connected with the discharging port (23) under the state that the lifting bin (5) is in butt joint with the underwater storage bin (2), and the discharge control door (24) forces the feeding control door (512) to swing against the action of the elastic component (513) to open the feeding hole (511) when the discharge opening (23) is opened by swinging.

4. The pumpless seafloor mining conveyor system of claim 3, wherein: storage cavity (22) include the main cavity body and with discharge opening (23) quantity unanimity and the chamber of unloading of one-to-one, each chamber of unloading is located the below of the main cavity body, each discharge opening (23) communicates with each other with the chamber of unloading that corresponds, and each chamber of unloading is equipped with the slope that is arranged in leading the main cavity body mineral to discharge opening (23) and leads the charge level.

5. The pumpless seafloor mining conveyor system of claim 4, wherein: the underwater storage bin (2) further comprises an inlet pipe (26), one end of the inlet pipe (26) is used as an ore inlet to be connected with an ore collecting vehicle, the other end of the inlet pipe (26) is communicated with the middle of the main cavity body as an ore outlet, and each discharging cavity is located around the main cavity body.

6. The pumpless seafloor mining conveyor system of claim 2, wherein: the openable and closable discharging mechanism (52) comprises a discharging port (521) arranged on the shell (53) and communicated with the inner cavity, and a discharging control door (522) which is hinged on the shell (53) and can swing around a hinge axis to open and close the discharging port (521), wherein the discharging control door (522) is connected with a swinging driving piece for driving the discharging control door (522) to swing.

7. The pumpless seafloor mining conveyor system of claim 6, wherein: the upper end and the lower end of the shell (53) are both conical, the feed inlet (511) is formed in the upper end of the shell (53), and the discharge outlet (521) is formed in the lower end of the shell (53).

8. The pumpless seafloor mining conveyor system of claim 2, wherein: the shell (53) is provided with a plurality of guide fins (54) which extend up and down, and the guide fins (54) are arranged around the shell (53) at intervals.

9. The pumpless seafloor mining conveyor system of claim 1, wherein: the underwater storage bin (2) is provided with positioning openings (27) corresponding to the lifting bins (5) for the lifting bins (5) to be inserted for positioning when the lifting bins (5) move downwards and are in butt joint with the underwater storage bin (2).

10. The pumpless seafloor mining conveyor system of any one of claims 1 to 9, wherein: the driving assembly (4) is a winch, two ends of the rope (3) are connected with a winding drum of the winch, and the winch drives any section of the lifting operation section (31) to move upwards and synchronously drives the other section of the lifting operation section (31) to move downwards.

Technical Field

The invention relates to the technical field of underwater mining equipment, in particular to a pumpless submarine mining conveying system.

Background

The current deep sea mining systems commonly used in various countries are: the sea surface mother ship is used as a supporting platform of the system, the ship is arranged and conveyed with a hard pipe till a position which is hundreds of meters away from the sea bottom, the tail end of the hard pipe is connected with an intermediate bin, and the intermediate bin is connected with a mine collection vehicle through a hose; the ore collecting car operates on the seabed, and collected ores are conveyed to a middle bin and then conveyed to the water surface through a pipeline system which is as long as several kilometers. The scheme can continuously convey ores through the pipeline, has high conveying efficiency, but puts high requirements on the performance and the bearing capacity of the ship due to the existence of the hard pipe pipeline with the length of thousands of meters; meanwhile, in the process of conveying ore particles, the pump is easy to damage an impeller, a guide vane and a flow passage component, long-term work is difficult to realize, and the replacement process is complicated and difficult; and the arrangement of the hard pipe is complex, the time consumption is long, and particularly under severe sea conditions, the ship pipeline system has great uncertainty.

Disclosure of Invention

The invention aims to solve the technical problem of overcoming the defects in the prior art and provides a pumpless type submarine mining conveying system which is simple in structure, low in cost, good in working reliability and continuity, simple and convenient to distribute, recover and maintain and low in requirements on the bearing capacity and performance of a water surface ship.

In order to solve the technical problems, the invention adopts the following technical scheme:

a pumpless submarine mining conveying system comprises a surface ship, an underwater storage bin and a conveying device used for conveying minerals in the underwater storage bin to the surface ship, wherein the conveying device comprises a rope and a driving assembly arranged on the surface ship, two ends of the rope are connected with the driving assembly, the middle of the rope is wound on the underwater storage bin, and two lifting operation sections driven by the driving assembly to move up and down are formed between the underwater storage bin and the driving assembly; each lifting operation section is provided with a lifting bin which can be driven by the lifting operation section to move between the water surface ship and the underwater storage bin, and the lifting bin is provided with an openable feeding mechanism which is butted with the underwater storage bin to receive minerals and an openable discharging mechanism which is used for discharging the minerals.

As a further improvement of the above technical solution:

the storage silo is including the cabin body that has the storage cavity under water, correspond every promotion storehouse on the cabin body all be equipped with one with the discharge opening of storage cavity intercommunication, each discharge opening department is equipped with and is used for opening and closing the switching control subassembly of discharge opening, but switching feed mechanism is for opening at the switching control subassembly by the switching control subassembly drive open, close at the switching control subassembly during the discharge opening rely on the feed mechanism that the elastic component drive was closed during the discharge opening.

The lifting bin comprises a shell with an inner cavity, the openable feeding mechanism comprises a feeding hole and a feeding control door, the feeding hole is arranged on the shell and communicated with the inner cavity, the feeding control door is hinged on the shell and can swing around a hinge shaft to open and close the feeding hole, the feeding control door is connected with an elastic component which forces the feeding control door to swing to a state of closing the feeding hole when the feeding control door is not under the action of external force, the opening and closing control assembly comprises a discharge control door and an opening and closing driving piece, the discharge control door is hinged on the cabin body and can swing around a hinge axis to open and close the discharge opening, the opening and closing driving piece is used for driving the discharge control door to swing, the material inlet is connected with the material outlet under the state that the lifting bin is in butt joint with the underwater storage bin, and the material outlet is opened through swinging of the material outlet control door, so that the material inlet control door is forced to swing to open the material inlet under the action of the elastic component.

Promote the storehouse including the casing that has the inner chamber, but switching feed mechanism including locate on the casing and with the feed inlet and the articulated installation that communicate of inner chamber on the casing and can be around the articulated shaft swing in order to open and close the feeding control door of feed inlet, but switching feed mechanism is still including being used for controlling the wobbling feeding control subassembly of feeding control door.

The underwater storage bin comprises a bin body with a storage cavity, each bin body is provided with a discharge opening corresponding to each lifting bin, the discharge openings are communicated with the storage cavity, each discharge opening is provided with an opening and closing control assembly for opening and closing the discharge opening, and each opening and closing control assembly comprises a discharge control door and an opening and closing driving piece, the discharge control door is hinged to the bin body and can swing around a hinge axis to open and close the discharge opening, and the opening and closing driving piece is used for driving the discharge control door to swing; the feeding control door of the openable feeding mechanism swings towards the inner cavity of the shell when opening the feeding hole, and the discharging control door of the openable control assembly swings towards the outside of the cabin body when opening the discharging hole; the feeding control assembly comprises an elastic component and an unloading control door driven by a switching driving piece, the elastic component is connected with the feeding control door and forces the feeding control door to be in a state of closing a feeding port when the feeding control door is not under the action of external force, the feeding port is connected with a discharging port in a state of butting a lifting bin and an underwater storage bin, and the unloading control door forces the feeding control door to overcome the action swing of the elastic component to open the feeding port when swinging towards the outside of the cabin.

The storage cavity includes the main cavity body and with the unloading chamber of discharge opening quantity unanimity and one-to-one, each unloading chamber is located the below of the main cavity body, each discharge opening communicates with each other with the chamber of unloading that corresponds, and each unloading chamber is equipped with the slope that is arranged in leading the main cavity body mineral to the discharge opening and leads the charge level.

The underwater storage bin further comprises an inlet pipe, one end of the inlet pipe is used as an ore inlet to be connected with an ore collecting vehicle, the other end of the inlet pipe is communicated with the middle of the main cavity body as an ore outlet, and each unloading cavity is located around the main cavity body.

But switching discharge mechanism including locate on the casing and with the discharge gate and the articulated installation that communicate of inner chamber on the casing and can swing around articulated axis in order to open and close the ejection of compact control door of discharge gate, ejection of compact control door is connected with and is used for ordering about ejection of compact control door wobbling swing driving piece.

The upper end and the lower extreme of casing all are the toper, the feed inlet sets up the upper end at the casing, the discharge gate sets up the lower extreme at the casing.

The shell is provided with a plurality of guide fins which extend up and down and are arranged, and the guide fins surround the periphery of the shell at intervals.

The underwater storage bin is provided with positioning openings corresponding to the lifting bins, and the positioning openings are used for inserting the lifting bins to be positioned when the lifting bins move downwards and are in butt joint with the underwater storage bin.

The driving assembly is a winch, two ends of the rope are connected with a winding drum of the winch, and the winch drives any one section of lifting operation section to move upwards and synchronously drives the other section of lifting operation section to move downwards.

Compared with the prior art, the invention has the advantages that:

the pumpless submarine mining conveying system provided by the invention adopts the cable driven by the driving assembly to drive the two lifting bins to move up and down, so that the lifting bins move between the surface ship and the underwater storage bin, the openable and closable feeding mechanism is controlled to receive minerals in the underwater storage bin when the lifting bins move to the underwater storage bin and are butted with the underwater storage bin, and the openable and closable discharging mechanism is controlled to discharge the minerals to the surface ship when the lifting bins contain the minerals to move to the surface ship, so that the minerals in the underwater storage bin are conveyed to the surface ship. Its major structure of transporting and transporting mineral only is the rope, drive assembly and promotion storehouse, compare in prior art have simple structure, with low costs, operational reliability and continuity are good, lay and retrieve and maintain simple and convenient advantage, but greatly reduced is to the bearing capacity and the performance requirement of surface of water boats and ships, simultaneously, its transportation safety is high and the ability reinforce of anti-risk, can solve the deep sea mineral long distance's under the adverse circumstances material transport problem, can not produce the problem that causes the environmental disturbance because the bottom sea water is carried to the sea.

Drawings

Fig. 1 is a front view of a pumpless seafloor mining conveyor system.

Fig. 2 is a partial enlarged structural schematic diagram of the conveying device when a lifting bin is butted with an underwater storage bin.

Fig. 3 is a schematic view of a partially enlarged structure of the conveying device when two lifting bins are not butted with an underwater storage bin.

Fig. 4 is a schematic diagram of the structure of the lifting bin.

Fig. 5 is a partial enlarged structural schematic diagram of the butt joint of the lifting bin and the underwater storage bin.

Fig. 6 is an enlarged schematic view of a portion a in fig. 5.

Illustration of the drawings:

1. a surface vessel; 2. an underwater storage bin; 21. a cabin body; 22. a material storage cavity; 23. a discharge opening; 24. a discharge control door; 25. an opening and closing drive member; 26. a feed pipe; 27. positioning the opening; 3. a rope; 31. a lifting operation section; 4. a drive assembly; 5. lifting the bin; 51. the feeding mechanism can be opened and closed; 511. a feed inlet; 512. a feed control gate; 513. an elastic member; 52. the discharging mechanism can be opened and closed; 521. a discharge port; 522. a discharge control gate; 53. a housing; 54. and a guide fin.

Detailed Description

The invention is described in further detail below with reference to the figures and specific examples.

As shown in fig. 1 to 4, the pumpless seafloor mining transportation system of the present embodiment includes a surface ship 1, an underwater storage bin 2, and a transportation device for transporting minerals in the underwater storage bin 2 to the surface ship 1, wherein the transportation device includes a cable 3 and a driving assembly 4 disposed on the surface ship 1, two ends of the cable 3 are connected to the driving assembly 4, the middle of the cable 3 is wound around the underwater storage bin 2, two sections of lifting operation sections 31 driven by the driving assembly 4 to move up and down are formed between the underwater storage bin 2 and the driving assembly 4, each lifting operation section 31 is provided with a lifting bin 5 which can be driven by the lifting operation section 31 to move between the surface ship 1 and the underwater storage bin 2, and the lifting bin 5 is provided with an openable feeding mechanism 51 which is butted with the underwater storage bin 2 to receive minerals and an openable discharging mechanism 52 which is used for discharging the minerals.

The pumpless submarine mining conveying system adopts the cable 3 driven by the driving component 4 to drive the two lifting bins 5 to move up and down, so that the lifting bins 5 move between the water surface ship 1 and the underwater storage bin 2, when the lifting bins 5 move to the underwater storage bin 2 and are butted with the underwater storage bin 2, the mineral in the underwater storage bin 2 can be received through the control openable and closable feeding mechanism 51, when the lifting bins 5 contain the mineral and move to the water surface ship 1, the mineral can be discharged onto the water surface ship 1 through the control openable and closable discharging mechanism 52, and therefore the mineral in the underwater storage bin 2 can be conveyed to the water surface ship 1. Its main structure of transporting and transporting mineral only is rope 3, drive assembly 4 and promotion storehouse 5, compare in prior art have simple structure, with low costs, operational reliability and continuity are good, lay and retrieve and maintain simple and convenient advantage, but greatly reduced is to the bearing capacity and the performance requirement of surface of water boats and ships 1, and simultaneously, its transportation safety is high and the ability reinforce of anti-risk, can solve the long distance material transport problem of deep sea mineral under the adverse circumstances, can not produce the problem that causes the environmental disturbance because the bottom sea water is carried to the sea.

In this embodiment, the underwater storage silo 2 includes a cabin body 21 having a storage cavity 22, a discharge opening 23 communicating with the storage cavity 22 is provided on the cabin body 21 corresponding to each lifting bin 5, an opening and closing control assembly for opening and closing the discharge opening 23 is provided at each discharge opening 23, and the openable feeding mechanism 51 is a feeding mechanism which is driven by the opening and closing control assembly to be opened when the opening and closing control assembly opens the discharge opening 23 and is driven to be closed by an elastic assembly when the opening and closing control assembly closes the discharge opening 23. This feed mechanism 51 can open and close need not set up solitary power driving piece, can save the cost, improve simple structure compactness, reduce the control degree of difficulty, and discharge opening 23 opens the in-process and can open and close feed mechanism 51 and be opened in step, and the mineral in the storage silo 2 under water can be timely, reliable, the entering that does not have the leakage promotes storehouse 5.

In the present embodiment, as shown in fig. 4 and 5, the lifting bin 5 includes a housing 53 having an inner cavity, the openable and closable feeding mechanism 51 includes a feeding port 511 provided on the housing 53 and communicating with the inner cavity, and a feeding control door 512 hingedly mounted on the housing 53 and capable of swinging about a hinge axis to open and close the feeding port 511, the feeding control door 512 is connected to an elastic member 513 for forcing the feeding control door 512 to swing to a state of closing the feeding port 511 when the feeding control door 512 is not subjected to an external force, the opening and closing control assembly includes a discharging control door 24 hingedly mounted on the tank body 21 and capable of swinging about a hinge axis to open and close the discharging port 23, and an opening and closing driving member 25 for driving the discharging control door 24 to swing, the feeding port 511 is connected to the discharging port 23 in a state where the lifting bin 5 is butted to the underwater storage bin 2, and the discharging control door 24 is forced to swing against the elastic member 513 when the discharging control door 24 swings to the outside of the tank body 21 to open ). That is, when the opening and closing driving member 25 drives the discharging control door 24 to swing to open the discharging opening 23, the discharging control door 512 is directly pushed by the discharging control door 24 swinging outwards to swing against the action of the elastic member 513 to synchronously open the feeding opening 511, so that the feeding opening 511 is synchronously opened during the discharging process of opening the discharging opening 23, and when the discharging control door 24 is driven by the opening and closing driving member 25 to swing to close the discharging opening 23, the elastic member 513 forces the feeding control door 512 to swing to a state of closing the feeding opening 511. The openable feeding mechanism 51 and the opening and closing control assembly have the advantages of simple structure, low cost, stable and reliable work and easy manufacture and maintenance.

Preferably, when the feeding control door 512 of the openable feeding mechanism 51 opens the feeding port 511, the openable feeding mechanism swings towards the inside of the inner cavity of the housing 53, when the discharging control door 24 of the openable control assembly opens the discharging port 23, the openable control assembly swings towards the outside of the cabin 21, when the discharging control door 24 swings towards the outside of the cabin 21 to open the discharging port 23, the openable control assembly directly drives the feeding control door 512 of the lifting bin 5 located at the outside of the cabin 21 to swing towards the inside of the inner cavity of the housing 53 to open the feeding port 511, so that the openable control assembly 25 is only used for synchronously controlling the discharging control door 24 and the feeding control door 512, and the integral structure compactness is ensured.

Preferably, the elastic component 513 is a torsion spring, and in other embodiments, the elastic component 513 may also be other elastic components capable of forcing the feeding control door 512 to be in a state of closing the feeding hole 511 when the feeding control door 512 is not subjected to an external force, such as a telescopic spring; preferably, the open/close driving member 25 is a telescopic cylinder, and other driving members such as a hydraulic motor, a telescopic cylinder, and an electric push rod that can drive the discharge control door 24 to swing may be used.

In this embodiment, storage cavity 22 includes the main cavity body and the unloading chamber unanimous and the one-to-one with discharge opening 23 quantity, and each unloading chamber is located the below of the main cavity body, and each discharge opening 23 communicates with each other with the unloading chamber that corresponds, and each unloading chamber is equipped with the slope that is arranged in leading the main cavity body mineral to discharge opening 23 and leads the charge level. This arrangement facilitates the entry of mineral in the storage chamber 22 into the lift bin 5.

In this embodiment, the underwater storage silo 2 further comprises a feeding pipe 26, one end of the feeding pipe 26 serves as an ore inlet and is used for being connected with an ore collecting vehicle, the other end of the feeding pipe 26 serves as an ore outlet and is communicated with the middle of the main cavity, and each discharging cavity is located around the main cavity. Minerals collected by the mineral collecting vehicle are conveyed to the middle part of the main cavity body through the feeding pipe 26, and then move around to enter each discharging cavity after entering the middle part of the main cavity body, so that the minerals can be discharged conveniently.

In this embodiment, the openable discharging mechanism 52 includes a discharging port 521 disposed on the housing 53 and communicated with the inner cavity, and a discharging control door 522 hinged to the housing 53 and capable of swinging around a hinge axis to open and close the discharging port 521, the discharging control door 522 is connected to a swinging driving member (not shown in the figure) for driving the discharging control door 522 to swing, preferably, the swinging driving member is a telescopic cylinder, and other driving members such as a hydraulic motor, a telescopic cylinder, and an electric push rod capable of driving the discharging control door 522 to swing may also be used. The swing driving member drives the discharging control door 522 to swing, so as to open and close the discharging port 521, and the openable discharging mechanism 52 has the advantages of simple structure, low cost and stable and reliable operation.

In this embodiment, as shown in fig. 4, the upper end and the lower end of the casing 53 are both tapered to reduce the water resistance of the lifting bin 5 during the up-and-down movement, the feeding port 511 is disposed at the upper end of the casing 53, and the discharging port 521 is disposed at the lower end of the casing 53 to facilitate the entry and discharge of minerals into and out of the lifting bin 5.

In this embodiment, as shown in fig. 4, the housing 53 is provided with a plurality of guide fins 54 extending up and down, and the plurality of guide fins 54 are arranged around the housing 53 at intervals, so as to facilitate direction control during the up-and-down movement of the lifting bin 5 and improve stability.

In this embodiment, it is preferable that the upper and lower ends of the housing 53 are respectively provided with a connection hanging ring to facilitate connection with the cable 3. The housing 53 is preferably a rectangular parallelepiped structure.

In this embodiment, as shown in fig. 5, the underwater storage bin 2 is provided with a positioning opening 27 corresponding to each lifting bin 5, through which the lifting bin 5 is inserted for positioning when the lifting bin 5 moves downwards and is in butt joint with the underwater storage bin 2. This promote storehouse 5 and can insert locating hole 27 and form the location during downstream, will promote the state that storehouse 5 location and storage silo 2 butt joint under water, guarantee stable, reliable, smooth receipt mineral, adopt locating hole 27 to carry out the locate mode simultaneously, allow again to promote 5 upstream in the storehouse, realize fixing a position and remove the location with the cooperation of the promotion storehouse 5 of up-and-down motion form, do not need any control mechanism, its simple structure, with low costs, easily control.

In this embodiment, the driving assembly 4 is a winch, two ends of the cable 3 are both connected to a winding drum of the winch, and the winch drives any one section of the lifting operation section 31 to move upwards and synchronously drives the other section of the lifting operation section 31 to move downwards. That is, the two ends of the cable 3 are respectively wound on the winding drum of the winch from the positive direction and the negative direction, when the winding drum rotates towards any direction, the lifting operation section 31 on one side moves upwards, the lifting operation section 31 on the other side moves downwards, and the operation directions of the two lifting operation sections 31 are always opposite, so that when one lifting bin 5 moves upwards, the other lifting bin 5 moves downwards. The driving assembly 4 is simple in structure, power required by material lifting can be greatly reduced, the stress of the winch is improved, and the lifting efficiency of the winch is improved.

In this embodiment, all be equipped with the fixed pulley on surface of water boats and ships 1 and the storage silo 2 under water, on the fixed pulley of cable 3 on surface of water boats and ships 1 and the storage silo 2 under water, promote the stability and the smoothness nature of operation. And the fixed pulleys on the surface ship 1 and the underwater storage bin 2 enable the two lifting operation sections 31 to be separated by a preset distance so as to ensure that the motions of the two lifting bins 5 are not interfered with each other. The ropes 3 are always kept in a tensioning state in the conveying process, and meanwhile, the phenomenon that the ropes 3 are wound is avoided by controlling the distance between the two ropes 3.

According to the pump-free submarine mining conveying system, after mineral collection of one area is completed, the underwater storage bin 2 can be lifted away from the seabed through the lifting winch, switching of mining areas is achieved by means of movement of the water surface ship 1, and meanwhile the mining collection vehicle is controlled to synchronously walk to the next mining area. When severe sea conditions are met, the rope 3 can be separated from the water surface ship 1 and arranged on the sea surface along with the buoy, the water surface ship 1 moves away from a large storm area to avoid storms, the rope is reconnected after the sea conditions are improved, and the collection and transportation operation is continued.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-described embodiments. Modifications and variations that may occur to those skilled in the art without departing from the spirit and scope of the invention are to be considered as within the scope of the invention.