CN210309972U

CN210309972U - Shore-based wireless charging device for electric ship

Info

Publication number: CN210309972U
Application number: CN201920989225.2U
Authority: CN
Inventors: 高洁; 王凤琴; 尚雨欣; 黄西; 游钐栗; 汤子轩
Original assignee: Nantong Institute of Technology
Current assignee: Nantong Institute of Technology
Priority date: 2019-06-27
Filing date: 2019-06-27
Publication date: 2020-04-14
Anticipated expiration: 2029-06-27

Abstract

The utility model discloses a bank base wireless charging device to electric ship, which comprises an outer shell, the solid fixed ring of inner wall fixedly connected with of shell, gu fixed ring's inner wall fixedly connected with electric energy transmitting device, the last fixed surface of shell is connected with the motor, the bottom fixedly connected with pivot of output shaft on the motor, the surface that is close to the top in the pivot runs through the top of shell and rotates with the shell to be connected, the bottom fixedly connected with flabellum of pivot. The utility model discloses, use through the cooperation between the above-mentioned structure, solved in the in-service use process because the electric energy emitter on bank carries out wireless actuation and when carrying out power transmission with the electric energy receiving arrangement on the ship, can produce a large amount of heats, easily make power transmission efficiency reduce, also make the life of equipment reduce easily simultaneously, and traditional wind-force heat dissipation blows the air that has steam in the bank side area to equipment in easily, also easily makes equipment break down, brings inconvenient problem for the use.

Description

Shore-based wireless charging device for electric ship

Technical Field

The utility model relates to a power equipment technical field specifically is a bank base wireless charging device to electric ship.

Background

In the prior art, a ship shore power technology is a power supply technology used when a ship is in shore. At present, large ships, particularly oil tankers and container ships, usually use fuel products (mostly heavy oil and diesel oil) to generate electricity when in port, so as to meet the electricity demand of the ships. Fuel oil products such as heavy oil and diesel oil generate a large amount of sulfides and nitrogen oxides in the combustion process, cause serious pollution to the surrounding environment, and can be spread to areas hundreds of kilometers away through the weather effect after pollution. Moreover, many port areas at home and abroad are concentrated in urban areas, and the contradiction between the pollution generated when ships arrive at ports and dock and the environmental protection of central urban areas is more and more prominent. The prior practical wharf shore power supply technology for ships in port is an important means for reducing pollutant emission during the process of ship in port; however, the conventional port and wharf shore power supply devices are all wired transmission, the connection process is relatively complicated compared with wireless charging, and certain dangerousness is also provided when the connection is performed, so that a shore-based wireless charging device for an electric ship is provided, for example, a wharf power supply device based on a wireless charging technology disclosed in chinese patent CN208094272U comprises a power supply device and a power receiving device; the power supply device comprises a solar cell panel, a super capacitor, an electric energy emitting device, a camera and a first infrared sensor; the solar cell panel, the super capacitor and the electric energy emitting device are electrically connected in sequence; the first infrared sensor and the camera are arranged on the top surface of the electric energy transmitting device; the power receiving device comprises a second infrared sensor and a power receiving device, and the second infrared sensor is arranged on the top surface of the power receiving device; the wharf power supply device based on the wireless charging technology adopts a wireless mode to carry out a ship shore-based power supply mode, so that the tedious process and potential danger of manual wire plugging are reduced; the solar energy is adopted for power supply, and the municipal power grid is not required to be connected, so that the solar energy-saving water heater is safe, environment-friendly and pollution-free; in addition, the power supply device and the power receiving device are reasonably configured to ensure that the application and popularization of the power supply device and the power receiving device have universality; however, in the actual use process, when the shore electric energy transmitting device and the ship electric energy receiving device are in wireless attraction and perform electric power transmission, a large amount of heat can be generated, the electric power transmission efficiency is easily reduced, meanwhile, the service life of the equipment is also easily reduced, the traditional wind power heat dissipation easily blows air with water vapor on the shore side into the equipment, the equipment is also easily broken down, and inconvenience is brought to use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bank base wireless charging device to electric ship improves traditional device, has solved the problem among the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a bank base wireless charging device to electric ship, includes the shell, the solid fixed ring of inner wall fixedly connected with of shell, gu fixed ring's inner wall fixedly connected with electric energy transmitting device.

The last fixed surface of shell is connected with the motor, the bottom fixedly connected with pivot of output shaft on the motor, the surface that is close to the top in the pivot runs through the top of shell and rotates with the shell to be connected, the bottom fixedly connected with flabellum of pivot, the louvre has been seted up to the side that is close to the top on the shell, be equipped with the inclined plane cylinder in the shell, the through-hole has been seted up to the cylindrical centre of a circle department of inclined plane, the inner wall of through-hole and the fixed surface of pivot are connected, the cylindrical lower surface sliding connection in inclined plane has the dry pivot.

Preferably, the drainage drying rotating shaft comprises a first shell, the bottom of the first shell is fixedly connected with the bottom of the inner wall of the shell, a first rod is inserted into the top of the first shell in a penetrating manner, the top of the first rod is connected with the lower surface of the inclined plane cylinder in a sliding manner, the bottom of the first rod penetrates through a fixing ring and is fixedly connected with a piston, the lower surface of the piston is fixedly connected with a first pressure spring, the bottom of the first pressure spring is fixedly connected with the bottom of the inner wall of the first shell, the left side of the shell is provided with a through hole and is fixedly connected with an air inlet pipe through the through hole, the inner wall of the air inlet pipe is fixedly connected with a first check valve, the right end of the first check valve penetrates through the left side of the first shell and is fixedly connected with the first shell, the right side of the first check valve is fixedly connected with a second shell, the joint surface of the first check, the bottom fixedly connected with elevating gear of two inner walls of shell, elevating gear's the sealed piece of top fixedly connected with, the sealed hole with sealed piece block is seted up to the upper surface of shell two, the top swing joint of sealed piece has pole two, the top of pole two run through solid fixed ring and with the cylindrical lower surface swing joint in inclined plane.

Preferably, the surface of the motor is fixedly connected with a protective cover, and the bottom of the protective cover is fixedly connected with the upper surface of the shell.

Preferably, the number of the heat dissipation holes on the side surface of the shell is not less than four, and the adjacent heat dissipation holes are arranged at equal intervals.

Preferably, the tops of the first rod and the second rod are both arc-shaped surfaces.

Preferably, the inner wall of the air inlet pipe close to the left side is fixedly connected with a first filter screen.

Preferably, the left end of the air inlet pipe is fixedly connected with an elbow pipe.

Preferably, the drying device comprises a second filter screen, the surface of the second filter screen is fixedly connected with the inner wall of the second shell, and a drying agent is fixedly connected to the surface of the second filter screen.

Preferably, the sealing block is a truncated cone-shaped sealing block, and one end of the sealing block with a relatively smaller caliber faces upwards.

Preferably, the lifting device comprises a sleeve, the bottom of the sleeve is fixedly connected with the bottom of the inner wall of the second shell, the inner wall of the sleeve is movably connected with a second pressure spring, the bottom of the second pressure spring is fixedly connected with the bottom of the inner wall of the second shell, a transmission rod is fixedly connected with the top of the second pressure spring, and the top of the transmission rod is fixedly connected with the lower surface of the sealing block.

Compared with the prior art, the beneficial effects of the utility model are as follows:

firstly, the utility model plays a role in supporting and protecting the outside through the shell; the electric energy transmitting device is fixed in the shell through the fixing ring; the motor is powered by an external power supply, the rotating shaft drives the fan blades to rotate continuously, air at the bottom in the shell is pumped out continuously upwards, and finally the air flows out through the heat dissipation holes, and the heat is taken away by the flowing air; the inclined plane cylinder rotates coaxially with the rotating shaft;

secondly, when the utility model is used, the inclined plane cylinder can coaxially rotate along with the inclined plane cylinder, when the flange surface on the lower surface of the inclined plane cylinder is contacted with the top of the first rod, the first rod and the piston can be pressed to the bottommost part after overcoming the elasticity of the first pressure spring, and when the concave edge surface on the inclined plane cylinder is contacted with the top of the first rod, the piston can drive the first rod to the highest part under the elasticity of the first pressure spring, and the reciprocating is carried out in such a way, so that the piston can be reciprocated and lifted in the first shell; when the piston rises, negative pressure is generated in the space below the piston, so that the outside air can be improved, the air inlet pipe and the one-way valve I enter the bottom space of the shell I, then when the piston moves downwards, the air in the bottom space of the shell I is pressed down, the air is compressed and then enters the shell II through the one-way valve II, the outside air can be continuously accumulated in the shell II through continuous operation of the operation, the air in the shell II is dried through the drying device, and the air in the shell II is in a high-pressure state; the principle is the same as that of the first rod, and the second rod and the sealing block realize reciprocating lifting of the sealing block under the cooperation of the lifting device; when the side of sealed piece and the inner wall contact in sealed hole, can be with sealed operation in the shell two, and after sealed piece descends and the sealed contact in sealed hole breaks away from, high-pressure gas in the shell two can spout to the shell through sealed hole, and air temperature is lower this moment, and the steam in the air also significantly reduces can with the heat absorption in the shell and flow to the external world through the heat dissipation hole, has prolonged the life of equipment.

Three, the utility model discloses a cooperation between the above-mentioned structure is used, has solved in the in-service use process because the electric energy transmitting device on bank and the electric energy receiving device on the ship carry out wireless actuation and when carrying out power transmission, can produce a large amount of heats, easily makes power transmission efficiency reduce, also makes the life of equipment reduce easily simultaneously, and traditional wind-force heat dissipation blows the air that has steam in the bank side area to equipment in easily, also easily makes equipment break down, the problem of inconvenience is brought for the use.

Drawings

FIG. 1 is a front sectional view of the structure of the present invention;

fig. 2 is a front sectional view of the sleeve of the present invention;

fig. 3 is a left side view of the second filter screen of the present invention.

In the figure: 1-shell, 2-fixed ring, 3-electric energy emission device, 4-motor, 5-rotating shaft, 6-fan blade, 7-heat dissipation hole, 8-inclined cylinder, 9-drainage drying rotating shaft, 10-shell I, 11-rod I, 12-piston, 13-pressure spring I, 14-air inlet pipe, 15-one-way valve I, 16-shell II, 17-one-way valve II, 18-drying device, 181-filter screen II, 19-lifting device, 191-sleeve, 192-pressure spring II, 193-transmission rod, 20-sealing block, 21-sealing hole, 22-rod II, 23-protective cover, 24-filter screen I and 25-bent pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: a shore-based wireless charging device for an electric ship comprises a shell 1, wherein the shell 1 plays a role in supporting and protecting the outside, and a through hole is formed in the front side of the shell 1 and used for inserting a power receiving device on the ship; the inner wall of the shell 1 is fixedly connected with a fixing ring 2, and the electric energy emitting device 3 is fixed in the shell 1 through the fixing ring 2; the inner wall of the fixing ring 2 is fixedly connected with an electric energy transmitting device 3, a power supply, a super capacitor and the electric energy transmitting device 3 are electrically connected through a conducting wire in sequence, and the electric energy transmitting device 3 can transmit power to a power receiving device on a ship within a specified output distance; the power transmitting device 3 is fully disclosed in the references mentioned in the background art and will not be described in detail here.

The upper surface of the shell 1 is fixedly connected with a motor 4, the motor 4 is powered by an external power supply, the surface of the motor 4 is fixedly connected with a protective cover 23, the bottom of the protective cover 23 is fixedly connected with the upper surface of the shell 1, the motor 4 is hermetically protected by the arrangement of the protective cover 23, the bottom of an output shaft on the motor 4 is fixedly connected with a rotating shaft 5, the rotating shaft 5 is a transmission part, the surface, close to the top, of the rotating shaft 5 penetrates through the top of the shell 1 and is rotatably connected with the shell 1, the bottom of the rotating shaft 5 is fixedly connected with a fan blade 6, the rotating shaft 5 drives the fan blade 6 to rotate continuously, air at the bottom in the shell 1 is continuously drawn upwards, finally, the air flows out through a heat dissipation hole; the side surface of the shell 1 close to the top is provided with heat dissipation holes 7, an inclined surface cylinder 8 is arranged in the shell 1, the inclined surface cylinder 8 is obtained by obliquely splitting a cylinder, the inclined surface of the inclined surface cylinder faces downwards, a through hole is formed in the circle center of the inclined surface cylinder 8, the inclined surface cylinder 8 coaxially rotates along with the rotating shaft 5, the inner wall of the through hole is fixedly connected with the surface of the rotating shaft 5, the lower surface of the inclined surface cylinder 8 is slidably connected with a drainage drying rotating shaft 9, the drainage drying rotating shaft 9 comprises a shell I10, the bottom of the shell I10 is fixedly connected with the bottom of the inner wall of the shell 1, a rod I11 is inserted into the top of the shell I10 in a penetrating manner, the number of the heat dissipation holes 7 on the side surface of the shell 1 is not less than four, the adjacent heat dissipation holes 7 are arranged at equal intervals, the number of the heat dissipation holes 7 not less, the bottom of the first rod 11 penetrates through the fixing ring 2 and is fixedly connected with the piston 12, the lower surface of the piston 12 is fixedly connected with a first pressure spring 13, the bottom of the first pressure spring 13 is fixedly connected with the bottom of the inner wall of the first shell 10, the left side of the shell 1 is provided with a through hole and is fixedly connected with an air inlet pipe 14 through the through hole, a first filter screen 24 is fixedly connected to the inner wall of the air inlet pipe 14 close to the left side, and sucked air is filtered through the first filter screen 24, so that the suction of dust and impurities is reduced; the left end of the air inlet pipe 14 is fixedly connected with the bent pipe 25, and due to the arrangement of the bent pipe 25, rainwater can be prevented from flowing into the air inlet pipe 14 when the air inlet pipe is used in rainy days, so that the air inlet pipe is safer to use; the inner wall fixedly connected with check valve 15 of intake pipe 14, the right-hand member of check valve 15 runs through the left side of shell 10 and with shell 10 fixed connection, the right side fixedly connected with shell two 16 of check valve 15, through-hole and through-hole fixedly connected with check valve two 17 have all been seted up to the looks interface of check valve one 15 and shell two 16, the inner wall fixedly connected with drying device 18 of shell two 16, drying device 18 includes filter screen two 181, the surface of filter screen two 181 and the inner wall fixed connection of shell two 16, the fixed surface of filter screen two 181 is connected with the drier, through the setting of filter screen two 181 and above-mentioned drier, can absorb the moisture in the high-pressure air in shell two 16, the drier refers to the material that can detach moisture in the moist material, often divide into two types: chemical desiccants, such as calcium sulfate and calcium chloride, dry by combining with water to form hydrates; physical drying agents such as silica gel and activated alumina, etc., are dried by physically adsorbing water; the bottom of the inner wall of the second shell 16 is fixedly connected with a lifting device 19, the lifting device 19 comprises a sleeve 191, the bottom of the sleeve 191 is fixedly connected with the bottom of the inner wall of the second shell 16, the inner wall of the sleeve 191 is movably connected with a second pressure spring 192, the bottom of the second pressure spring 192 is fixedly connected with the bottom of the inner wall of the second shell 16, the top of the second pressure spring 192 is fixedly connected with a transmission rod 193, the top of the transmission rod 193 is fixedly connected with the lower surface of the sealing block 20, and stable lifting of the sealing block 20 is achieved through matching of the sleeve 191, the second pressure spring 192 and the transmission; the top of the lifting device 19 is fixedly connected with a sealing block 20, the upper surface of the second shell 16 is provided with a sealing hole 21 clamped with the sealing block 20, the sealing block 20 is a truncated cone-shaped sealing block, one end of the sealing block 20 with a relatively smaller caliber faces upwards, sealing is completed after the sealing block 20 moves upwards and is clamped with the sealing hole 21, and high-pressure gas in the second shell 16 can be sprayed out through a separated gap after the sealing block 20 moves downwards and is separated from the inner wall of the sealing hole 21; the top of the sealing block 20 is movably connected with a second rod 22, the tops of the first rod 11 and the second rod 22 are arc-shaped surfaces, and the first rod 11 and the second rod 22 can slide relative to the inclined-plane cylinder 8 more smoothly through the arrangement of the arc-shaped surfaces on the first rod 11 and the second rod 22; the top of the second rod 22 penetrates through the fixing ring 2 and is movably connected with the lower surface of the inclined plane cylinder 8, the inclined plane cylinder 8 can coaxially rotate along with the inclined plane cylinder 8 in use, when a flange surface on the lower surface of the inclined plane cylinder 8 is contacted with the top of the first rod 11, the first rod 11 and the piston 12 are pressed to the bottommost part after overcoming the elastic force of the first pressure spring 13, and when a flange surface on the lower surface of the inclined plane cylinder 8 is contacted with the top of the first rod 11, the piston 12 can drive the first rod 11 to be pushed to the highest part under the elastic force of the first pressure spring 13, and the reciprocating is carried out in such a way that the piston 12 can be lifted and lowered in a reciprocating manner; when the piston 12 rises, negative pressure is generated in the space below the piston 12, so that outside air can be fed into the bottom space of the first shell 10 through the air inlet pipe 14 and the first check valve 15, then when the piston 12 moves downwards, the air in the bottom space of the first shell 10 is pressed downwards, the air is compressed and then enters the second shell 16 through the second check valve 17, the outside air is continuously accumulated in the second shell 16 through continuous operation of the operation, the air in the second shell 16 is dried through the drying device 18, and the air in the second shell 16 is in a high-pressure state; the principle is the same as that of the first rod 11, the second rod 22 and the sealing block 20 realize reciprocating lifting of the sealing block 20 under the cooperation of the lifting device 19; when the side of sealed piece 20 and the inner wall contact of sealed hole 21, can seal the operation in the two 16 shells, and after sealed piece 20 descends and sealed contact with sealed hole 21 breaks away from the back, high-pressure gas in the two 16 shells can spout to the shell 1 through sealed hole 21, and air temperature is lower this moment, and the steam in the air also significantly reduces and can be with the heat absorption in the shell 1 and flow to the external world through louvre 7, has prolonged the life of equipment.

The working principle is as follows: when the shore-based wireless charging device for the electric ship is used, the inclined plane cylinder 8 can coaxially rotate along with the inclined plane cylinder 8, after a flange surface on the lower surface of the inclined plane cylinder 8 is contacted with the top of the rod I11, the rod I11 and the piston 12 are pressed to the bottommost part after overcoming the elastic force of the pressure spring I13, and after a concave edge surface on the inclined plane cylinder 8 is contacted with the top of the rod I11, the piston 12 can drive the rod I11 to be pushed to the highest part under the elastic force of the pressure spring I13, and the reciprocating operation is carried out, so that the piston 12 can be reciprocated and lifted in the shell I10; when the piston 12 rises, negative pressure is generated in the space below the piston 12, so that outside air can be fed into the bottom space of the first shell 10 through the air inlet pipe 14 and the first check valve 15, then when the piston 12 moves downwards, the air in the bottom space of the first shell 10 is pressed downwards, the air is compressed and then enters the second shell 16 through the second check valve 17, the outside air is continuously accumulated in the second shell 16 through continuous operation of the operation, the air in the second shell 16 is dried through the drying device 18, and the air in the second shell 16 is in a high-pressure state; the principle is the same as that of the first rod 11, the second rod 22 and the sealing block 20 realize reciprocating lifting of the sealing block 20 under the cooperation of the lifting device 19; when the side surface of the sealing block 20 is in contact with the inner wall of the sealing hole 21, the sealing operation is carried out in the second shell 16, and after the sealing block 20 descends and is separated from the sealing contact of the sealing hole 21, high-pressure gas in the second shell 16 is sprayed into the shell 1 through the sealing hole 21, at the moment, the air temperature is lower, and the water vapor in the air is greatly reduced, so that the heat in the shell 1 can be absorbed and flows to the outside through the heat dissipation holes 7, and the service life of the equipment is prolonged; through the cooperation between the above-mentioned structure is used, when having solved in the in-service use because the electric energy transmitting device on bank carries out wireless actuation with the on-board electric energy receiving device and carries out power transmission, can produce a large amount of heats, easily make power transmission efficiency reduce, also make the life of equipment reduce easily simultaneously, and traditional wind-force heat dissipation blows the air that has steam on the bank side to equipment in easily, also easily makes equipment break down, brings inconvenient problem for the use.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a bank base wireless charging device to electric ship which characterized in that: the device comprises a shell (1), wherein a fixing ring (2) is fixedly connected to the inner wall of the shell (1), and an electric energy emitting device (3) is fixedly connected to the inner wall of the fixing ring (2);

the last fixed surface of shell (1) is connected with motor (4), the bottom fixedly connected with pivot (5) of output shaft is gone up in motor (4), the surface that is close to the top on pivot (5) runs through the top of shell (1) and rotates with shell (1) and is connected, the bottom fixedly connected with flabellum (6) of pivot (5), louvre (7) have been seted up to the side that is close to the top on shell (1), be equipped with inclined plane cylinder (8) in shell (1), the through-hole has been seted up to the centre of a circle department of inclined plane cylinder (8), the inner wall of through-hole and the fixed surface of pivot (5) are connected, the lower surface sliding connection of inclined plane cylinder (8) has drainage drying pivot (9).

2. A shore-based wireless charging device for electric ships, according to claim 1, characterized in that: the drainage drying rotating shaft (9) comprises a first shell (10), the bottom of the first shell (10) is fixedly connected with the bottom of the inner wall of the shell (1), a first rod (11) is inserted into the top of the first shell (10) in a penetrating manner, the top of the first rod (11) is connected with the lower surface of the inclined plane cylinder (8) in a sliding manner, the bottom of the first rod (11) penetrates through the fixing ring (2) and is fixedly connected with the piston (12), the lower surface of the piston (12) is fixedly connected with a first pressure spring (13), the bottom of the first pressure spring (13) is fixedly connected with the bottom of the inner wall of the first shell (10), a through hole is formed in the left side of the shell (1) and is fixedly connected with an air inlet pipe (14) through the through hole, the inner wall of the air inlet pipe (14) is fixedly connected with a first check valve (15), and the right end of the first check valve (15) penetrates through, the right side fixedly connected with shell two (16) of check valve one (15), the through-hole has all been seted up and has been passed through hole fixedly connected with check valve two (17) to the looks interface of check valve one (15) and shell two (16), the inner wall fixedly connected with drying device (18) of shell two (16), the bottom fixedly connected with elevating gear (19) of shell two (16) inner wall, the top fixedly connected with seal block (20) of elevating gear (19), sealed hole (21) with seal block (20) block are seted up to the upper surface of shell two (16), the top swing joint of seal block (20) has pole two (22), the top of pole two (22) runs through solid fixed ring (2) and with the lower surface swing joint of inclined plane cylinder (8).

3. A shore-based wireless charging device for electric ships, according to claim 1, characterized in that: the surface fixed connection of motor (4) has safety cover (23), the bottom of safety cover (23) is connected with the upper surface fixed connection of shell (1).

4. A shore-based wireless charging device for electric ships, according to claim 1, characterized in that: the number of the heat dissipation holes (7) on the side face of the shell (1) is not less than four, and the adjacent heat dissipation holes (7) are arranged at equal intervals.

5. A shore-based wireless charging device for electric ships, according to claim 2, characterized in that: the tops of the first rod (11) and the second rod (22) are arc-shaped surfaces.

6. A shore-based wireless charging device for electric ships, according to claim 2, characterized in that: and a first filter screen (24) is fixedly connected to the inner wall of the air inlet pipe (14) close to the left side.

7. A shore-based wireless charging device for electric ships, according to claim 2, characterized in that: the left end of the air inlet pipe (14) is fixedly connected with a bent pipe (25).

8. A shore-based wireless charging device for electric ships, according to claim 2, characterized in that: the drying device (18) comprises a second filter screen (181), the surface of the second filter screen (181) is fixedly connected with the inner wall of the second shell (16), and a drying agent is fixedly connected with the surface of the second filter screen (181).

9. A shore-based wireless charging device for electric ships, according to claim 2, characterized in that: the sealing block (20) is a truncated cone-shaped sealing block, and one end, with a relatively smaller caliber, of the sealing block (20) faces upwards.

10. A shore-based wireless charging device for electric ships, according to claim 2, characterized in that: the lifting device (19) comprises a sleeve (191), the bottom of the sleeve (191) is fixedly connected with the bottom of the inner wall of the second shell (16), the inner wall of the sleeve (191) is movably connected with a second pressure spring (192), the bottom of the second pressure spring (192) is fixedly connected with the bottom of the inner wall of the second shell (16), the top of the second pressure spring (192) is fixedly connected with a transmission rod (193), and the top of the transmission rod (193) is fixedly connected with the lower surface of the sealing block (20).