阅读说明：本技术 一种全水域自行式智能充氧装置船坞系统 (Dock system of full-water-area self-propelled intelligent oxygenating device ) 是由 赵大贵 于 2021-09-06 设计创作，主要内容包括：本发明公开了一种全水域自行式智能充氧装置船坞系统,属于水产养殖设备技术领域,解决了现有技术中的船型充氧装置船坞停靠时定位容易有偏差,导致需要反复调整浪费时间和人力的问题,本发明包括浮筒支架和船体,浮筒支架上连接有多个支架固定件,浮筒支架上安装有至少一对浮筒,浮筒之间连接有浮筒连接板,浮筒连接板上安装有授电器,浮筒支架上还安装有限位开关导轨,浮筒支架的端部连接有入坞导向杆,入坞导向杆呈曲形,船体上安装有与入坞导向杆配合的船体导向架,船体导向架上安装有与限位开关导轨配合的限位开关,船体上还连接有锚定锁机构和受电器。本发明的船坞系统使充氧装置停靠时对位更加方便、精确,提升了工作效率。(The invention discloses a full-water-area self-propelled intelligent oxygenating device dock system, which belongs to the technical field of aquaculture equipment and solves the problems that in the prior art, a ship-shaped oxygenating device is easy to have deviation in positioning when a dock is parked, so that time and labor are wasted due to repeated adjustment. The dock system of the invention ensures that the oxygen charging device is more convenient and accurate in alignment when in parking, and improves the working efficiency.)

1. A full-water-area self-propelled intelligent oxygenation device dock system is characterized by comprising a buoy bracket (143) and a ship body (1), the buoy bracket (143) is connected with a plurality of bracket fixing pieces (144), the buoy bracket (143) is provided with at least one pair of buoys (142), the floating pontoon (142) connecting plate is connected between the floating pontoons (142), the power supply device (13) is arranged on the floating pontoon (142) connecting plate, the limit switch guide rail (172) is also arranged on the floating pontoon bracket (143), the end part of the floating pontoon bracket (143) is connected with the docking guide rod (141), the docking guide rod (141) is curved, a ship body (1) guide frame matched with the docking guide rod (141) is arranged on the ship body (1), and a limit switch (173) matched with the limit switch guide rail (172) is arranged on the guide frame of the ship body (1), and an anchoring lock mechanism (16) and a current collector (12) are further connected to the ship body (1).

2. The dock system of claim 1, wherein the electricity supplier (13) comprises an electricity supplying electrode insulating support (133), the electricity supplying electrode insulating support (133) is connected with a connecting plate of a buoy (142), an electricity supplying electrode (132) is mounted on the electricity supplying electrode insulating support (133), an electricity supplying electrode lead-in sleeve (131) is covered on the peripheries of the electricity supplying electrode insulating support (133) and the electricity supplying electrode (132), the electricity receiver (12) comprises an electricity receiving electrode lead-in rod (122) matched with the electricity supplying electrode lead-in sleeve (131), the electricity receiving electrode lead-in rod (122) is connected with the ship body (1), an electricity receiving electrode (121) is mounted in the electricity receiving electrode lead-in rod (122), and one end of the electricity receiving electrode (121) extends out of the electricity receiving electrode lead-in rod (122).

3. The dock system of claim 2, wherein the receiving electrode lead-in rod (122) is tapered, the feeding electrode lead-in sleeve (131) is composed of two parts, the contact part of the feeding electrode lead-in sleeve (131) and the receiving electrode lead-in rod (122) is flared, and the part of the feeding electrode lead-in sleeve (131) for accommodating the feeding electrode (132) is square.

4. The dock system of claim 2, wherein a power supply cable sheath is installed on the power supply electrode guide sleeve (131), a power supply cable is installed in the cable sheath, the cable is connected with a power supply electrode (132), the ship body (1) is connected with a wiring pile shield (125), a power receiving cable sheath is installed on the wiring pile shield (125), a power receiving cable is installed in the power receiving cable sheath, and the power receiving cable is connected with the power receiving electrode (121).

5. The dock system of claim 2, wherein an insulating sleeve is connected between the electrode receiving bar (122) and the electrode receiving bar (121), the insulating sleeve is formed by connecting a first insulating sleeve (123) and a second insulating sleeve (124), the first insulating sleeve (123) has a positioning slot, and the electrode receiving bar (121) has a positioning block engaged with the positioning slot.

6. The dock system of claim 1, wherein the anchoring lock mechanism (16) comprises a protective shell (166), the protective shell (166) consists of an inner protective shell (166) cylinder and an outer protective shell (166) cylinder, a coil (165) is installed between the inner protective shell (166) cylinder and the outer protective shell (166) cylinder, an iron core (164) is further connected to the inner wall of the inner protective shell (166) cylinder in a sliding manner, a locking rod (163) arranged in the vertical direction is installed in the iron core (164), a compression spring (168) is connected to the upper portion of the iron core (164), the compression spring (168) is sleeved on the locking rod (163), the locking rod (163) penetrates through the inside of the iron core (164) and extends out of the inner protective shell (166) cylinder from the upper end and the lower end, and a U-shaped buckle (171) for inserting and locking is arranged below the locking rod (163), the U-shaped buckle (171) is connected with the connecting plate of the buoy (142).

7. The all-water-area self-propelled intelligent oxygenating device dock system according to claim 6, wherein the protecting shell (166) is connected with an anchoring lock base (161), the anchoring lock base (161) is connected with a ship hull (1), the coil (165) is electrically connected with a limit switch (173), the anchoring lock base (161) is respectively connected with an end cover (167) connecting plate and a cylinder connecting plate, the cylinder connecting plate is connected with an anchoring lock cylinder (162), the end cover (167) connecting plate is connected with a cylinder end cover (167), the cylinder end cover (167) is installed at the end part of the anchoring lock cylinder (162), and the protecting shell (166) is installed between the cylinder end cover (167) and the anchoring lock cylinder (162).

8. The full watershed self-propelled intelligent oxygenator dock system according to claim 6 wherein a manual pull ring is connected to the upper end of the lock bar (163).

Technical Field

The invention belongs to the technical field of aquaculture equipment, and particularly relates to a dock system of a full-water-area self-propelled intelligent oxygenating device.

Background

All oxygen consuming organisms do not leave oxygen for survival, growth and reproduction. The oxygen content in the air is high and stable, and about 21 percent of the oxygen is contained, so that the living things on the land have the threat of oxygen deficiency; the amount of dissolved oxygen in the water body is small and variable; generally, the saturated dissolved oxygen in fresh water is only 1/20 which is equivalent to the oxygen content in air, and is less in seawater, so that the dissolved oxygen in water becomes a limiting factor for the life phenomenon and life process of aquatic animals, and is one of the most important factors of people in aquaculture.

Dissolved oxygen content of an aquaculture environment directly affects the metabolic strength of the aquatic organisms, thereby affecting their growth. Various problems in cultivation are mostly related to the fact that dissolved oxygen does not meet the demand. Sufficient dissolved oxygen is a necessary condition for the survival of aquatic organisms, and the improvement of the dissolved oxygen can improve the living environment for the inhabitation of the aquatic organisms; the concentration of toxic substances such as ammonia nitrogen, nitrite nitrogen, hydrogen sulfide and the like is reduced. Hypoxia of aquatic organisms can lead to growth retardation and even death, and the resistance can be obviously reduced. Ensuring sufficient dissolved oxygen can lead aquatic organisms to be always in a good growth environment, ensuring vigorous metabolism and little disease occurrence, improving the growth speed and high bait utilization rate, and leading the aquaculture to have stable and high yield.

In the ship-shaped oxygenating device in the prior art, the dock system is easy to deviate in positioning when being parked, so that the parking position of the device is not accurate, the locking of an anchoring mechanism is influenced, the device needs to be withdrawn from the dock and be re-entered and butted, the use and operation experience is poor, the working efficiency of the device is influenced, most docks only have a parking function, and the device is single in function and not convenient enough.

Disclosure of Invention

The invention aims to:

in order to solve the problem that the positioning of the ship-shaped oxygenating device in the prior art is easy to deviate when a dock is parked, time and labor are wasted due to repeated adjustment, a full-water-area self-propelled intelligent oxygenating device dock system is provided.

The technical scheme adopted by the invention is as follows:

the utility model provides a full waters self-propelled intelligence oxygenating device dock system, includes flotation pontoon support and hull, be connected with a plurality of support mountings on the flotation pontoon support, install an at least pair of flotation pontoon on the flotation pontoon support, be connected with the flotation pontoon connecting plate between the flotation pontoon, install the power supply on the flotation pontoon connecting plate, still install the limit switch guide rail on the flotation pontoon support, the end connection of flotation pontoon support has the guide bar that docks, the guide bar that docks is curved shape, install on the hull with docking guide bar complex hull leading truck, install on the hull leading truck with limit switch guide rail complex limit switch, still be connected with anchoring mechanism and power receiver on the hull.

Furthermore, the electricity supplying device comprises an electrode supplying insulating support, the electrode supplying insulating support is connected with the buoy connecting plate, an electricity supplying electrode is mounted on the electrode supplying insulating support, an electrode supplying leading-in sleeve is covered on the peripheries of the electrode supplying insulating support and the electricity supplying electrode, the electricity receiving device comprises an electrode receiving leading-in rod matched with the electrode supplying leading-in sleeve, the electrode receiving leading-in rod is connected with the ship body, a power receiving electrode is mounted in the electrode receiving leading-in rod, and one end of the power receiving electrode extends out of the electrode receiving leading-in rod.

Furthermore, the receiving electrode lead-in rod is conical, the feeding electrode lead-in sleeve is composed of two parts, the part of the feeding electrode lead-in sleeve, which is in contact with the receiving electrode lead-in rod, is horn-shaped, and the part of the feeding electrode lead-in sleeve, which is used for accommodating the feeding electrode, is square.

Furthermore, a power supply cable sheath is installed on the power supply electrode leading-in sleeve, a power supply cable is installed in the cable sheath, the cable is connected with the power supply electrode, the ship body is connected with a wiring pile shield, a power receiving cable sheath is installed on the wiring pile shield, a power receiving cable is installed in the power receiving cable sheath, and the power receiving cable is connected with the power receiving electrode.

Furthermore, an insulating sleeve is connected between the receiving electrode lead-in rod and the receiving electrode, the insulating sleeve is formed by connecting a first insulating sleeve and a second insulating sleeve, a positioning groove is formed in the first insulating sleeve, and a positioning block matched with the positioning groove is connected to the receiving electrode.

Further, anchoring lock mechanism includes the protecting crust, the protecting crust comprises inlayer protecting crust barrel and outer protecting crust barrel, installs the coil between inlayer protecting crust barrel and the outer protecting crust barrel, it has the iron core still to sliding connection on the inner wall of inlayer protecting crust barrel, install the lock stick that sets up along vertical direction in the iron core, the top of iron core is connected with compression spring, compression spring overlaps on locating the lock stick, the lock stick passes the inside and upper and lower both ends of iron core and all stretches out inlayer protecting crust barrel, and the below of lock stick is provided with and is used for inserting the U-shaped of locking and detains, the U-shaped is detained and is connected with the flotation pontoon connecting plate.

Further, the protective shell is connected with an anchoring lock base, the anchoring lock base is connected with the ship body, the coil is electrically connected with the limit switch, the anchoring lock base is respectively connected with an end cover connecting plate and a cylinder connecting plate, the cylinder connecting plate is connected with an anchoring lock cylinder body, the end cover connecting plate is connected with a cylinder end cover, the cylinder end cover is installed at the end part of the anchoring lock cylinder body, and the protective shell is installed between the cylinder end cover and the anchoring lock cylinder body.

Furthermore, the upper end of the lock rod is connected with a manual pull ring.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:

1. according to the dock system of the oxygenation device, the docking guide rod is arranged to be matched with the ship body guide frame, so that a ship body can be quickly and accurately positioned and parked under the guide effect of the docking guide rod as long as the ship body is parked into the dock, and meanwhile, the anchoring lock mechanism is used for locking, so that the dock system is more convenient to operate, the situation that the docking position is deviated and needs to be quitted from the dock and enter the dock again is avoided, the time is saved, and the working efficiency is improved; the dock system also has a power supply function, and the automatic charging of the device is realized through the matching of the power supply and the power receiver during the berthing, so that the dock system is more convenient compared with manual connection charging.

2. The invention adopts a system structure that the current receiver connected with the ship body is inserted into the current provider connected with the dock to supply power, so that the oxygen charging device starts the power supply system to charge when detecting that the solar energy does not have working condition for insufficient charging of the storage battery, the two electrodes are connected to supply power, and the storage battery is charged, thereby realizing automatic charging.

3. The shapes of the receiving electrode lead-in rod and the electrode lead-in sleeve can be matched with each other, so that the operation of the ship body in butt joint is facilitated, and the damage to a power supply system mechanism in inaccurate butt joint can be reduced.

4. The cable is covered by the cable sheath, the connection pile shield and other structures arranged outside the cable, so that the connection position of the cable is thoroughly isolated from the outside, accidents such as short circuit, electric shock and the like caused by the fact that the cable is wetted on the water surface are prevented, and the safety of the system is improved.

5. The insulating sleeve is divided into two parts to position the power receiving electrode, and the positioning block on the power receiving electrode is embedded into the positioning groove of the first insulating sleeve, so that the power receiving electrode is fixed by the insulating sleeve in the horizontal direction, and the power supply effect is prevented from being influenced by the problems of poor contact and the like caused by sliding of the power receiving electrode.

6. The invention adopts the electromagnet principle, when the coil is electrified, the electromagnetic force generated pushes the iron core upwards to drive the lock rod to move upwards to open, when the ship body is in place, the coil is powered off, the iron core drives the lock rod to fall into the U-shaped buckle of the dock downwards under the action of the compression spring and the gravity to lock the ship body in the dock, so that the ship body is locked in the dock, the locking effect is better under the double actions of the gravity and the compression spring, and even if the ship body shakes under the influence of water surface fluctuation and wind power, the anchoring lock mechanism can also stably lock the ship body, so that the ship body is prevented from being anchorly to influence the aquaculture efficiency, and the economic benefit of aquaculture is improved.

7. The limit switch is matched with the limit switch guide rail, the limit switch is in contact with the guide rail before the ship body enters the dock, the coil is electrified, when the ship body moves in place, the limit switch is separated from the guide rail, the coil is powered off, the lock rod falls into the U-shaped buckle to be locked, the whole process is automatic, and the locking is convenient, rapid and reliable.

8. The anchoring lock base and other support parts have firm structures, provide stable and reliable support for the mechanism, are provided with the manual pull ring on the lock rod, can be manually operated and are more flexible, and meanwhile, the U-shaped buckle part and the ship body move on the water surface together by arranging the buoy, so that the influence on the anchoring lock mechanism is further reduced.

Drawings

FIG. 1 is a block diagram of a dock system of the present invention;

FIG. 2 is a diagram of the construction of the electricity provider of the present invention;

FIG. 3 is a diagram of the current collector structure of the present invention;

fig. 4 is a structural view of the anchoring lock mechanism of the present invention.

The labels in the figure are:

1, a ship body;

12-current collector, 121-current collector, 122-current collector lead-in rod, 123-first insulating sleeve, 124-second insulating sleeve, 125-terminal post shield;

13-electricity supplying device, 131-electrode introducing sleeve, 132-electricity supplying electrode and 133-electrode insulating support;

141-docking guide bar, 142-float, 143-float support, 144-support fixture;

16-anchor lock mechanism, 161-anchor lock base, 162-anchor lock cylinder, 163-lock rod, 164-iron core, 165-coil, 166-protective shell, 167-end cap, 168-compression spring;

171-U-shaped buckle, 172-limit switch guide rail, 173-limit switch;

18-hull lead-in frame.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example 1

The utility model provides a full basin self-propelled intelligence oxygenating device dock system, including flotation pontoon support 143 and hull 1, be connected with a plurality of support mountings 144 on the flotation pontoon support 143, install at least a pair of flotation pontoon 142 on the flotation pontoon support 143, be connected with flotation pontoon 142 connecting plate between the flotation pontoon 142, install the power donator 13 on the flotation pontoon 142 connecting plate, still install limit switch guide rail 172 on the flotation pontoon support 143, the end connection of flotation pontoon support 143 has the guide bar 141 that docks, the guide bar 141 that docks is bent shape, install on the hull 1 with the guide bar 141 complex hull 1 leading truck that docks, install the limit switch 173 with limit switch guide rail 172 complex on the hull 1 leading truck, still be connected with anchoring lock mechanism 16 and receiver 12 on the hull 1.

The docking guide rod 141 of the invention is matched with the guide frame of the ship body 1, so that the ship body 1 can be quickly and accurately positioned and parked under the guide action of the docking guide rod 141 as long as being parked in a dock, and meanwhile, the anchoring lock mechanism 16 is used for locking, so that the situation that the docking position has deviation and needs to be withdrawn from the dock and re-entered is avoided.

Example 2

In addition to embodiment 1, the power supply unit 13 includes a power supply electrode insulating support 133, the power supply electrode insulating support 133 is connected to a connecting plate of the float 142, the power supply electrode 132 is mounted on the power supply electrode insulating support 133, a power supply electrode lead-in sleeve 131 is provided around the power supply electrode insulating support 133 and the power supply electrode 132, the power receiving unit 12 includes a power receiving electrode lead-in rod 122 engaged with the power supply electrode lead-in sleeve 131, the power receiving electrode lead-in rod 122 is connected to the hull 1, the power receiving electrode 121 is mounted in the power receiving electrode lead-in rod 122, and one end of the power receiving electrode 121 extends out of the power receiving electrode lead-in rod 122. The system structure that inserts the current receiver 12 that is connected with the hull 1 into the power receiver 13 that is connected with the dock to supply power makes the oxygenating device start this power supply system to charge when detecting that solar energy is not enough to the storage battery to charge, is put through the power supply by two electrodes, charges to storage battery to realize automatic charging, this system because as long as the oxygenating device stops in the dock just can connect and charge, has guaranteed that the hull 1 of oxygenating device has sufficient electric energy at any time at the course of the work.

Preferably, the receiving electrode lead-in rod 122 is tapered, the feeding electrode lead-in sheath 131 is composed of two parts, a part of the feeding electrode lead-in sheath 131 contacting with the receiving electrode lead-in rod 122 is horn-shaped, and a part of the feeding electrode lead-in sheath 131 for accommodating the feeding electrode 132 is square.

Preferably, a power supply cable sheath is installed on the power supply electrode lead-in sleeve 131, a power supply cable is installed in the cable sheath, the cable is connected with the power supply electrode 132, the hull 1 is connected with the patch pile shield 125, a power receiving cable sheath is installed on the patch pile shield 125, a power receiving cable is installed in the power receiving cable sheath, and the power receiving cable is connected with the power receiving electrode 121. The shapes of the receiving electrode lead-in rod 122 and the electrode lead-in sleeve 131 can be matched with each other, so that the operation of the ship body 1 in butt joint is facilitated, and the damage to a power supply system mechanism in inaccurate butt joint can be reduced.

Preferably, an insulating sleeve is connected between the receiving electrode lead-in rod 122 and the receiving electrode 121, the insulating sleeve is formed by connecting a first insulating sleeve 123 and a second insulating sleeve 124, a positioning groove is formed in the first insulating sleeve 123, and a positioning block matched with the positioning groove is connected to the receiving electrode 121. The cable sheath and the wiring pile shield 125 are arranged to wrap the cable, so that the connection position of the cable is completely isolated from the outside, and accidents such as short circuit and electric shock caused by the fact that the cable is stained with water on the water surface are prevented.

Example 3

On the basis of embodiment 1, the anchoring lock mechanism 16 includes a protective shell 166, the protective shell 166 is composed of an inner protective shell 166 cylinder and an outer protective shell 166 cylinder, a coil 165 is installed between the inner protective shell 166 cylinder and the outer protective shell 166 cylinder, an iron core 164 is further connected to the inner wall of the inner protective shell 166 cylinder in a sliding manner, a lock rod 163 arranged in the vertical direction is installed in the iron core 164, a compression spring 168 is connected to the upper portion of the iron core 164, the compression spring 168 is sleeved on the lock rod 163, the lock rod 163 penetrates through the inside of the iron core 164, the upper end and the lower end of the lock rod 163 extend out of the inner protective shell 166 cylinder, a U-shaped buckle 171 used for inserting and locking is arranged below the lock rod 163, and the U-shaped buckle 171 is connected with a connecting plate of the buoy 142.

The mechanism adopts an electromagnet principle, when the coil 165 is electrified, the electromagnetic force generated pushes the iron core 164 upwards to drive the lock rod 163 to move upwards to be opened, when the ship body 1 is in place, the coil 165 is powered off, the iron core 164 drives the lock rod 163 to fall into the U-shaped buckle 171 of the dock downwards under the action of the compression spring 168 and the gravity to lock the ship body 1 in the dock, under the double actions of the gravity and the compression spring 168, the locking effect is better, even if the ship body 1 shakes under the influence of water surface fluctuation and wind power, the anchoring lock mechanism 16 can also stably lock the ship body 1, and therefore the ship body 1 is prevented from being anchoraged.

Preferably, the protective shell 166 is connected with an anchoring lock base 161, the anchoring lock base 161 is connected with the hull 1, the coil 165 is electrically connected with the limit switch 173, the anchoring lock base 161 is respectively connected with an end cover 167 connecting plate and a cylinder connecting plate, the cylinder connecting plate is connected with an anchoring lock cylinder 162, the end cover 167 connecting plate is connected with a cylinder end cover 167, the cylinder end cover 167 is installed at the end of the anchoring lock cylinder 162, and the protective shell 166 is installed between the cylinder end cover 167 and the anchoring lock cylinder 162.

Preferably, a manual pull ring is connected to the upper end of the lock bar 163.

Limit switch 173 and limit switch guide rail 172 cooperate, before hull 1 got into the dock, limit switch 173 contacted with the guide rail, and coil 165 circular telegram, when hull 1 moved in place, limit switch 173 separated with the guide rail, and coil 165 outage, lock stick 163 fell into and locks in the U-shaped knot 171, and full automation realizes. The anchor lock base 161 and other support components provide stable and reliable support for the mechanism, and the lock bar 163 is provided with a manual pull ring for manual operation, and the float 142 is provided so that the U-shaped buckle 171 portion can move on the water surface together with the hull 1.

The working principle and the flow of the invention are as follows:

in the process that the ship body 1 approaches the dock, the guide frame of the ship body 1 is used for righting the position of the ship body 1 under the guiding effect of the docking guide rod 141 to position the ship body 1, the limit switch 173 installed on the dock is electrified after touching the limit switch guide rail 172 before the ship body 1 is about to be completely stopped, so that the anchoring lock is started to be opened, and the limit switch 173 is powered off to be restored and locked after the limit switch 173 slides out of the limit switch guide rail 172. Thereby preventing the hull 1 from being pulled out of the dock by itself.

Anchoring lock mechanism 16 employs the electromagnet principle and is configured as shown in fig. 4. The mechanism is powered by a limit switch 173, which energizes a coil 165 to generate electromagnetic force that pushes the plunger 164, and the lock bar 163 secured thereto, upward. When the hull 1 is fully in position, the limit switch 173 is reset, de-energizing the coil 165. The iron core 164 losing the electromagnetic force and the locking bar 163 fixed thereto push the locking bar 163 downward by the compression spring 168 to be inserted into the U-shaped buckle 171, thereby completing the locking of the hull 1.

When the oxygenation running program is started, the control box automatically switches on the power supply of the anchoring lock at first, and pushes the lock rod 163 to move upwards, so that the locking of the anchoring lock is released. And then the control box automatically starts the propulsion system to operate. After the hull 1 is taken out of the dock, the anchoring lock device is restored to the state to be locked.

The main structure of the dock is a buoy 142, and the buoy 142 is sleeved on a buoy bracket 143 and synchronously changes up and down along a vertical bracket thereof when the water level changes, so that the buoy keeps a uniform relative height with the ship body 1. The float supports 143 are mounted on the foundation member on the shore floor of the culture pond.

The power supply system can be used as a standby charging device of a solar charging panel, and also can be directly used as a power supply device of an oxygenating device, when the solar power received by a solar panel is detected to be incapable of meeting the rated requirement of a storage battery pack of the oxygenating device, a control box in a ship body 1 of the oxygenating device starts the power supply device of the system to charge, namely the ship body 1 is moored in a dock, the control box is communicated with a power supply device 13 to supply power, and is connected with a power receiver 12 through an electrode to charge the storage battery pack;

when the electricity supplier 13 is connected to the electricity receiver 12, the electricity receiver 12 is installed on the front deck of the ship body 1, enters the dock with the ship body 1, is inserted into the dock under the guidance of the trumpet-shaped electrode guide sleeve 131, and is connected to the electricity supplying electrode 132 to be charged.

The invention can also set the storage battery pack as a movable portable storage battery, so that the storage battery pack can be taken away for charging under the condition that the former two charging modes are invalid.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.