32results about How to "Improve resupply efficiency" patented technology

The invention provides a material box storing and sorting system and a storing and distributing integrated system and relates to the technical field of intelligent sorting. The material box storing and sorting system comprises a material box storing module, a batch order sorting module, an order box collecting and caching module, an order box distributing module and a storage management module, wherein the material box storing module is used for storing material boxes; material boxes are used for storing goods; the batch order sorting module is used for the parallel sorting of batch orders soas to sort goods in the material boxes to order boxes; batch orders comprise a plurality of user orders; the order box collecting and caching module is used for caching and transferring the order boxes; and the order box distributing module is used for receiving the order boxes cached and transferred by the order box collecting and caching module and distributing according to information of the user orders to complete the goods sorting of the batch orders. According to the system provided by the invention, the parallel sorting of the batch orders and the collecting and the caching of the orderboxes are adopted, so that the sorting efficiency of the batch orders is increased.

The invention provides a constant tension highline maritime adaptive control and supply system and supply method. The system comprises a constant tension highline maritime supply subsystem and a constant tension highline maritime adaptive control subsystem; the constant tension highline maritime adaptive control subsystem is used for driving and controlling an outer index winch (3), an inner index winch (4), a highline winch (5) and a wave compensation device (6), so that a crane device (7) moves between a supply ship and a receiving ship. The system and the method have the advantages: (1) a highline adopts constant tension adaptive control, so that manual intervention s not needed in the supply process, vibration of goods on cableways is reduced and the supply efficiency is improved; and (2) wave compensation is performed on the highline by adopting a wave compensation technology, so that tension constant double closed-loop control of the highline is kept, relative movements of the two ships are compensated, safe and stable hoisting and landing of goods when the ships swing are ensured, and mutual collision between the goods and the decks of the working ship is prevented.

The invention provides a mechanical adsorbing device for improving ship abreast supply stability. The mechanical adsorbing device for improving the ship abreast supply stability mainly comprises vacuum suckers (1), a hydraulic buffering mechanism (2) and a mechanical arm (3), wherein during working, the mechanical adsorbing device provides restraining forces, buffering forces and pushing forces for two ships at supplying work and can exert the abreast supply process of the two ships to be smoothly finished. According to the invention, by using the double-face suckers to adsorb and fix ship bodies, the supply is stable; due to adoption of the hydraulic buffering mechanism between the suckers, the ship abreast buffering and pushing forces can be provided so that the ship abreast supply stability and safety are improved; and through adoption of a folding type mechanical arm design, the device is easy to mount and operate and deck spaces are saved.

The invention provides a goods collection caching system and a feed box storage and sorting system, and relates to the technical field of intelligent sorting. The goods collection caching system comprises at least one modular caching unit; the modular caching unit comprises at least one group of order box storage and taking goods shelves, at least one lifting machine, at least one shuttle vehicle and a power platform; the order box storage and taking goods shelves are intensive multilayer shuttle vehicle goods shelves; each layer of good shelf comprises a plurality of goods allocations; one group of order box storage and taking goods shelves are in parallel to each other to form one roadway, and the shuttle vehicle runs in the roadway; the input end of the goods collection caching system is connected with a batch order sorting module of the storage and sorting system, and the output end of a goods collection caching module is connected with an order box allocation module of the storage and sorting system; the goods collection caching system is used for randomly receiving and caching order boxes corresponding to a plurality of batches of orders and outputting the order boxes corresponding to the same batch of orders in a centralized mode as required. According to the goods collection caching system and the feed box storage and sorting system, which are provided by the invention, finishing efficiency of the orders of a user can be improved.

The invention discloses a central stochastic system applied to a medical clinical test, belonging to the field of computer data processing. The system comprises a test management unit, a testee grouping unit and a trial medicine distribution unit. The competitive grouping of testees is realized, so the grouping process of the medical clinical test can be acknowledged and controlled in time and the period of the medical clinical test is ensured. In addition, every time a testee is visited, medicines are distributed to the testee according to the process of the test and a required medicine dose, thereby reducing the medicine waste and saving the cost. Furthermore, the trial medicines can be periodically produced and led in according to the stock conditions of various research centers and the requirement conditions along with the practical process of the test, thereby greatly reducing the waste of overdue medicines, greatly improving the efficiency of the medicine replenishment and replenishing the medicines more promptly.

The invention discloses a hydrogen storage device for a hydrogen kinetic energy unmanned aerial vehicle. A rectangular box body is included, a gas cylinder storage mechanism is arranged at one end ofthe rectangular box body, a gas cylinder moving mechanism is arranged at the other end of the rectangular box body, and an inflation fixing mechanism is arranged at the middle position of the rectangular box body. The hydrogen storage device for the hydrogen kinetic energy unmanned aerial vehicle has the advantages that the safety hidden danger when hydrogen cylinders are supplied can be reduced while the supply efficiency is improved, the hydrogen cylinders can be orderly placed under the action of the gas cylinder storage mechanism, the storage effect is realized, the use is convenient, theleakage during the inflation can be effectively prevented under the action of the inflation fixing mechanism, the stability of the device is improved, and the device can serve as a small-sized mobilesupply station.

The invention discloses a flower seedling cultivation device used for a garden landscape. The device comprises a valve, water storage barrels, supporting frames, supporting sleeve rods, flowerpots andwater absorption ropes; the valve is arranged on a communication pipeline which is located between a nutrient solution funnel and nutrient solution supply pipes; supporting handles are arranged at the left and right sides of each flowerpot, and when one flowerpot is inserted into the corresponding water storage barrel, the flowerpot is supported and placed at the top of the corresponding water storage barrel through the supporting handles; and the bottom board of each flowerpot is provided with a through hole, and the corresponding water absorption rope passes through the through hole and isplaced into the soil in the flowerpot. According to the invention, the flower seedling cultivation device used for the garden landscape is provided with water adding pipes, water enters the interior of an annular water pipe through a water inlet pipe, the water is guided to the interiors of the six water adding pipes through the annular water pipe, and the water is ejected by the water through holes in the water adding pipes for performing water adding operation on the water storage barrels, the water adding pipes can perform one-time water replenishment on all the water storage barrels at thesame time, and therefore the efficiency of water replenishment operation is effectively improved.

The invention discloses a pure electric taxi electric energy supply management method. The method comprises the following steps that a cloud control management center collects operation information ofa battery swap station and a charging station; a taxi sends a power supply request to the cloud control management center; the cloud control management center finds out an optimal charging station and an optimal battery swap station, compares the optimal charging station with the optimal battery swap station to obtain an optimal power compensation station in the network, and recommends the optimal power compensation station to the pure electric taxi; and the pure electric taxi makes an appointment to the cloud control management center to confirm the selected optimal power supply station. According to the invention, a hybrid charging management method is adopted to adapt to an environment in which two charging modes coexist. By selecting the optimal power supply station point, the load can be balanced in the power supply network, the waiting time of power supply is reduced, the electric energy supply efficiency is improved, and the travel delay of the pure electric taxi is effectivelyreduced.

The invention relates to the technical field of ship equipment, and particularly to a ship oil storage tank capable of quickly filtering oil. The ship oil storage tank comprises a tank body, mountinggrooves are formed in the front end and the rear end of the tank body, the bottoms of the mounting grooves are fixedly mounted on a ship body through bolts, an oil injection cavity and an oil storagecavity are formed in the tank body from top to bottom, and an oil filter is fixedly mounted between the oil injection cavity and the oil storage cavity through bolts. The beneficial effects are that:oil filtering equipment is integrated in the oil tank. Oil liquid stored inside can be directly and quickly filtered; the oil tank can be directly replaced; therefore, the supply efficiency of the ship is improved; the oil tank is convenient to overhaul and maintain, the interior of the oil tank can be overhauled and maintained only by opening the closing plate and the closing plug, and the temperature of oil in the oil tank can be stabilized through matching of the temperature control circulating device and an external circulating liquid supply device in the using process, so that the oil ismaintained within a proper working temperature, and normal work of external oil equipment is guaranteed.

The application discloses a self-service replenishment system for mobile equipment. The self-service replenishment system for the mobile equipment comprises an acquisition module, a driving module, areplenishing module and a control module; the acquisition module is used for acquiring a replenishment parameter of the mobile equipment; the driving module is used for judging whether a position to be replenished exists in the mobile equipment according to the replenishment parameter, if so, controlling the mobile equipment to move to a replenishing position corresponding to the position to be replenished; the replenishing module is used for executing a replenishing operation; and the control module is used for controlling a replenishing switch to switch on after an in-place signal of the mobile equipment is detected so that the replenishing module corresponding to the replenishing position executes the replenishing operation on the position to be replenished after a replenishing allowingsignal is received, and is also used for controlling the replenishing switch to switch off after a replenishing stopping signal is received so that the replenishing module stops the replenishing operation. According to the self-service replenishment system for the mobile equipment, automatic replenishment of the mobile equipment can be realized without manual assistance; the automation degree ishigh; and the replenishing efficiency is high. The application also comprises a self-service replenishment method for the mobile equipment which has the beneficial effects above.

The invention relates to a fire cover of a gas burner. The fire cover of the gas burner comprises an annular first fire cover body, wherein the first fire cover body comprises an annular top surface,and an inner ring wall and an outer ring wall extending vertically or inclinedly downwards from the inner side edge and the outer side edge of the annular top surface; a first gas mixing cavity is formed among the annular top surface, the inner ring wall and the outer ring wall; main fire holes are formed in the outer ring wall at intervals in the circumferential direction; and in the annular topsurface, the outer ring surface of the outer ring wall, and the outer ring surface of the inner ring wall, the outer ring surface of the outer ring wall is in a circular arc shape at least. The invention further relates to a high-efficiency burner applying the fire cover. Compared with the prior art, according to the fire cover and the high-efficiency burner applying the fire cover provided by theinvention, by utilizing a wall attachment effect, air tightly wraps the outer ring surface of the outer ring wall, so that a supply path of secondary air is shortened, and the secondary air can be more efficiently supplemented. Therefore, on the basis of an existing ejection system, through improving the fire cover, the secondary air supply efficiency can be effectively improved, so that the burning efficiency of the gas burner is improved.

The invention provides a retail terminal cost control data warehouse-oriented data organization method, which comprises the following steps: S1, loading data of a database of a retail management system of a retail terminal to a cost accounting processing module by utilizing a selling price accounting method, and carrying out accounting processing on the data by the cost accounting processing module; s2, performing data warehouse-oriented data extraction, data conversion and data loading on the data of the cost accounting processing module; s3, establishing a multi-dimensional data model of commodity selling cost control according to the commodity selling cost control requirement of the retail terminal, the multi-dimensional data model comprising commodity selling data, commodity inventory data, commodity payment success data, commodity payment failure data, commodity cost data, commodity profit data, commodity selling high-low sorting data, commodity increase and decrease suggestion data, commodity loss data and equipment maintenance cycle data. According to the invention, a multi-dimensional data warehouse is efficiently organized, and data decision support is provided for commodity selling cost control and early warning.

The invention relates to the field of electric element welding auxiliary equipment, in particular to an electric soldering iron with a conveying mechanism. The electric soldering iron comprises an electric soldering iron body, wherein the electric soldering iron body consists of a handle, an electric heating wire pipe and a soldering iron rod, a spring switch is arranged on the handle, a ratchet conveyer is arranged at the joint of the handle and the soldering iron rod, the ratchet conveyer comprises a conveying pipe, a conveying ratchet and a casing, the conveying ratchet arranged in the casing is an internal engagement ratchet comprising a ratchet pawl and an outer ring, the rotating center of the ratchet pawl is connected to the handle through a coiled spring, conveying teeth inclining towards one end of the soldering iron rod are arranged on the edge of the outer ring, an arc-shaped half-pipe is arranged on the upper surface of the casing, a tin wire threading channel is formed between the outer ring and the arc-shaped half-pipe, the conveying pipe is concentric with the arc-shaped half-pipe and extends to the end part of the soldering iron rod, and the spring switch is connected with the ratchet pawl through a pull rod. The electric soldering iron has the benefits that the conveying purpose can be achieved as long as the spring switch is pushed, and tin can be replenished only through right-hand operation.

The invention discloses a helicopter portable externally-hung shelter cargo transportation device and method. Ground personnel can load cargoes into an externally-hung shelter in advance, and when transportation is needed, the externally-hung shelter can be hung on a helicopter within a short time; in a transportation process, if the helicopter cannot continue to be transported and fly, a load canbe thrown to ensure the safety of the helicopter; and after the helicopter is transported to a destination, the externally-hung shelter is directly thrown in a landing or hovering state, and the operation can be completed instantly. In a military field, replenishment efficiency can be improved, helicopter exposure time is greatly shortened, and the helicopter safety is ensured. In a civil field,transportation efficiency can be greatly improved, and transportation economy is improved. The externally-hung shelter is a standardized portable cabin body and can be repeatedly used.

The invention discloses a series-parallel type ship side leaning supply device. When supply work is conducted, the moving posture of the device and the moving posture of a receiving ship can be kept consistent all the time, possibly-happening collision can be reduced to the maximum degree, the placing positions of supply goods and materials are more accurate, meanwhile, video and laser devices areadopted, so that in the operation process, the distance is more accurate, observation is conducted in time to deal with an emergency, and safety is improved.

The invention provides a constant tension highline maritime adaptive control and supply system and supply method. The system comprises a constant tension highline maritime supply subsystem and a constant tension highline maritime adaptive control subsystem; the constant tension highline maritime adaptive control subsystem is used for driving and controlling an outer index winch (3), an inner index winch (4), a highline winch (5) and a wave compensation device (6), so that a crane device (7) moves between a supply ship and a receiving ship. The system and the method have the advantages: (1) a highline adopts constant tension adaptive control, so that manual intervention s not needed in the supply process, vibration of goods on cableways is reduced and the supply efficiency is improved; and (2) wave compensation is performed on the highline by adopting a wave compensation technology, so that tension constant double closed-loop control of the highline is kept, relative movements of the two ships are compensated, safe and stable hoisting and landing of goods when the ships swing are ensured, and mutual collision between the goods and the decks of the working ship is prevented.

The invention relates to the technical field of agricultural machinery, in particular to an unmanned aerial vehicle supply system which comprises a movable supply platform. The unmanned aerial vehicle positioning correction mechanism is arranged on the mobile supply platform and is used for positioning the unmanned aerial vehicle; the pesticide filling mechanism is arranged on the movable supply platform, located on one side of the unmanned aerial vehicle positioning and correcting mechanism and used for filling pesticide for the unmanned aerial vehicle; the unmanned aerial vehicle battery charging module is arranged on the mobile supply platform and is used for charging a battery to be replaced; and the manipulator assembly is arranged on the mobile supply platform and is used for replacing the charged battery in the unmanned aerial vehicle battery charging module into the unmanned aerial vehicle. According to the unmanned aerial vehicle supply system, unmanned automatic supply of pesticides and batteries can be achieved, the movable supply mode of the unmanned aerial vehicle supply system can adapt to the more complex and larger-range operation environment, the supply efficiency is higher, and the supply system is more flexible.

The invention discloses a bead embroidery supplementing device capable of intelligently supplementing beads and a bead embroidery machine, the device comprises a charging tray rotating during working and a blanking funnel arranged above the charging tray, the bottom of the blanking funnel is provided with a blanking device, the blanking device is provided with a blanking port located in the charging tray, and the blanking port is provided with a feeding port located in the charging tray. A blanking valve capable of turning over up and down to open and close the blanking port is hinged to the blanking device and is controlled to be opened and closed intermittently by a blanking valve intermittent control mechanism; the discharging valve intermittent control mechanism comprises a discharging buckle hinged to the discharging device, a spring arranged between the discharging buckle and the discharging valve and an intermittent driver for driving the discharging buckle to swing intermittently. The automatic bead feeding device realizes automatic bead feeding, keeps a proper amount of beads in the charging tray all the time, improves the feeding efficiency, reduces the labor intensity, and also ensures the bead stringing success rate.

The invention discloses an unmanned aerial vehicle automatic replenishment station and an unmanned aerial vehicle intelligent dust falling system applied thereof. The unmanned aerial vehicle automatic replenishment station comprises a replenishment unit used for conducting automatic replenishment on an unmanned aerial vehicle, a ground general control unit used for controlling and deploying the unmanned aerial vehicle and all devices in the unmanned aerial vehicle automatic replenishment station, a parking apron which is used for parking the unmanned aerial vehicle, and a power supply unit which is used for supplying power to all electric devices. The unmanned aerial vehicle intelligent dust falling system comprises the unmanned aerial vehicle automatic replenishment station and at least one unmanned aerial vehicle module matching the unmanned aerial vehicle automatic replenishment station to work. And each unmanned aerial vehicle module is internally provided with a dust suppressant spraying assembly, an information acquisition assembly and a vehicle body control assembly. The unmanned aerial vehicle intelligent dust falling system is high in intelligent degree, good in use simplicity and convenience, low in dust suppression cost and capable of accurately and efficiently performing dust suppression treatment on a construction site. The unmanned aerial vehicle intelligent dust falling system is suitable for being used for treating construction dust on a building construction site.

The invention provides a dismounting wharf crane, which comprises a base plate, a base, a rotary body and a suspension arm, wherein the base comprises a middle sleeve, a first support component, a second support component and a bearing; the bearing is arranged in the middle sleeve; the first support component and the second support component are fixedly connected to the middle sleeve; the rotary body comprises a rotary shaft and a rotary arm which is fixedly connected with the rotary shaft; the rotary arm can rotate with the rotation of the rotary shaft; the rotary shaft is inserted into the bearing of the middle sleeve of the base; the first end of the suspension arm is connected with the rotary body, and the second end of the suspension arm is provided with a chain block; the suspension arm rotates with the rotation of the rotary body; and a tensioning piece is arranged between the rotary body and the suspension arm and is tensioned and fixed by the chain block. By the technical scheme, the dismounting wharf crane has enough strength and a few machine parts, is corrosion-resisting, small in volume and light in weight, and can realize quick assembly and disassembly without auxiliary equipment.

The invention belongs to the technical field of laboratory indoor crop simulation cultivation based on the Internet of Things, and particularly relates to laboratory indoor crop simulation cultivation equipment and method based on the Aot Internet of Things. The laboratory indoor crop simulation cultivation equipment comprises an equipment box body, a cultivation cavity is formed in the equipment box body, an opening and closing door for opening and closing is formed in one side of the cultivation cavity, an opening is formed in the other side of the cultivation cavity, and a glass plate is embedded in the opening; a ventilation cavity is further formed in the equipment box body and located at the top of the cultivation cavity, a plurality of ventilation holes are formed in the top of the ventilation cavity, a first air channel is formed in the inner wall of the cultivation cavity, a plurality of cultivation assemblies communicated with a second air channel are arranged in the cultivation cavity, and the multiple cultivation assemblies are sequentially arranged at equal intervals. The device has the advantages that the device can directly supply nutrients to the roots of crops at the bottoms of the roots of the plants, and meanwhile, a fresh air system is used for assisting in sucking sandy soil, so that manual soil sampling is not needed, the convenience during operation is effectively improved, and simulation and research on ecological growth of the plants in a laboratory are effectively matched.

The invention relates to a space-saving inventory replenishment method and device for an unmanned intelligent retail terminal. The method comprises the following steps: monitoring the unmanned intelligent retail terminal; regularly adjusting the sales position of the to-be-sold article in the unmanned intelligent retail terminal and the stock position corresponding to the sales position; selecting a target article; searching an adjacent library adjacent to the target library; adjusting the storage capacity of the adjacent storage to the demand for storing the adjacent articles; generating supply demand information according to the inventory information of the to-be-sold article, and sending the supply demand information to the target distribution vehicle to perform inventory supply. The device comprises a plurality of warehouses arranged in an array, wherein each warehouse is internally provided with a main inventory unit and one or two adjacent inventory units adjacent to the main inventory unit; and an inventory capacity adjusting module which is arranged between the main inventory unit and the adjacent inventory unit. By adopting the inventory supply method and device, the inventory space utilization rate of the unmanned retail terminal can be improved.

The basic structure of an anchored mine type hidden maritime supply box is similar to that of an anchored mine. In the use process, a mine body containing supplies and a mine anchor are thrown into the sea and anchored after the depth is automatically determined, after a supply ship leaves, a receiving ship reaches the sea area where the supply box is thrown according to the position provided by the supply ship and sends a code sonar signal into the sea, sonar on the mine body receives a code, after the code passes the check, the mine body is controlled to be separated from a mine-mooring cable and floats to the sea surface, the receiving ship or a helicopter can lift the mine body, or after a top cabin door of the mine body is opened on the sea surface and the supplies are taken out, a sea valve at the bottom of the mine body is opened, and the mine body sinks to the bottom of the sea. By the utilization of the supply box, hidden safe maritime indirect supply can be achieved, and thesupply ship and the receiving ship do not need to get close to the supply box.

The present invention provides a data organization method for a retail terminal cost control data warehouse, including the steps: S1: using the price accounting method to load the data of the database of the retail management system of the retail terminal into the cost accounting processing module, and the cost accounting The processing module performs accounting processing on the data; S2: performs data warehouse-oriented data extraction, data conversion, and data loading on the data of the cost accounting processing module; S3: establishes a multi-dimensional cost control system for commodity sales according to the retail terminal commodity sales cost control requirements Data model, multi-dimensional data model includes: commodity sales data, commodity inventory data, commodity payment success data, commodity payment failure data, commodity cost data, commodity profit data, commodity sales ranking data, commodity increase and decrease suggestion data, commodity loss data and Equipment maintenance cycle data. The invention efficiently organizes a multi-dimensional data warehouse, and provides data decision support for commodity sales cost control and early warning.

The invention discloses a material supply vehicle, and relates to the technical field of material supply. The material supply vehicle is used for supplying materials to a device to be supplied and comprises a vehicle frame, a power mechanism and a supply mechanism. The power mechanism is in transmission connection with the frame and used for driving the frame to move; the supply mechanism comprises a supply box body and a supply assembly communicated with the supply box body, the supply box body is arranged on the frame and used for containing materials, and the supply assembly is movably arranged on the supply box body and can move relative to the supply box body so as to be in butt joint with the to-be-supplied device and supply the materials in the supply box body to the to-be-supplied device. The material supply truck can move to a supply-needing position to supply a to-be-supplied device, the to-be-supplied device does not need to repeatedly move to and fro a supply position and an operation position, the supply efficiency is high, the energy consumption is low, and the cost is low; and butt joint with the to-be-supplied device and material supply can be achieved through movement of the supply assembly relative to the supply box body, the beneficial effects of being high in automation degree and intelligent degree are achieved, and the supply efficiency can be fully improved.

The invention relates to a plant-protection unmanned aerial vehicle with the high feeding efficiency. The plant-protection unmanned aerial vehicle comprises a main body, a pesticide box and a sprayinghead, wherein the pesticide box is fixed at the bottom of the main body, the spraying head is arranged at the bottom of the pesticide box, pesticides are arranged in the pesticide box, and the spraying head is communicated with the pesticide box; a stirring mechanism is arranged in the pesticide box, feeding mechanisms are arranged on the two sides of the pesticide box, the stirring mechanism comprises a stirring assembly and two driving assemblies, the stirring assembly comprises a stirring motor, a transmission shaft, blades, two supporting rods and two scraping rods, the feeding mechanismscomprise stretchable assemblies and sealing assemblies, and each stretchable assembly comprises a water pump, a connecting pipe, a suction pipe, a stretchable pipe and two power units. According to the plant-protection unmanned aerial vehicle with the high feeding efficiency, through the stirring mechanism, a function of stirring the pesticides is achieved; not only that, the pesticide feeding efficiency is also improved through the feeding mechanisms.

The invention discloses a timing rotation accurate supplying device. The device comprises a supporting plate, a cylindrical shell, a motor, a rotating material pushing device, a material receiving plate and a motor controller, wherein the cylindrical shell is fixedly arranged on the upper surface of the supporting plate, and a material storage area and two material falling holes are formed in thearea, surrounded by the cylindrical shell, of the supporting plate in the circumferential direction; the motor is fixed on the lower surface of the supporting plate, and an output shaft of the motor penetrates through the supporting plate to extend into the cylindrical shell; the rotating material pushing device is rotationally arranged in a cavity surrounded by the cylinder shell and the supporting plate and comprises a fixing part and three rotating baffles, wherein the fixing part is in driving connection with the output shaft of the motor, and the three rotating baffles are central symmetrically fixed on the fixing part in the circumferential direction; the material receiving plate is obliquely arranged on the supporting plate in an angle adjustable mode, so that materials fall into the material storage area in the cylinder shell in sequence; and the motor controller is in circuit connection with the motor. According to the timing rotation accurate supplying device, timing quantitative distribution of solid materials in a short time is realized with a simplified device and a rapid and simple mode, so that the manpower investment is reduced, and the efficiency and the accuracy are improved.

The invention relates to a fuel oil supply ship, and the ship comprises a ship body shell; transverse bulkheads are arranged between the rear portion of the ship body shell and a ship body bow, a fuel oil tank is formed in the ship body shell between the transverse bulkheads, an oil conveying pipe is arranged in the ship body bow, one end of the oil conveying pipe is communicated with the fuel oil tank, and the other end of the oil conveying pipe penetrates out of the ship body bow. And directional fins are arranged on the rear part of the hull shell. The directional fin is of a bionic structure. The fuel oil supply ship sails underwater in the whole course, the navigational speed can be increased, and the concealment is improved; the geometric change of the ship profile is smaller, machining is easy, and fluid resistance is smaller; the directional fin is of a bionic structure, and better maneuverability can be achieved under the lower weight cost.