CN114802613A - Gas turbine driven full-electric water jet propulsion self-discharging type stone-casting reef-building ship with inclined tipping bucket - Google Patents
Gas turbine driven full-electric water jet propulsion self-discharging type stone-casting reef-building ship with inclined tipping bucket Download PDFInfo
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- CN114802613A CN114802613A CN202210450848.9A CN202210450848A CN114802613A CN 114802613 A CN114802613 A CN 114802613A CN 202210450848 A CN202210450848 A CN 202210450848A CN 114802613 A CN114802613 A CN 114802613A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B27/00—Arrangement of ship-based loading or unloading equipment for cargo or passengers
- B63B27/19—Other loading or unloading equipment involving an intermittent action, not provided in groups B63B27/04 - B63B27/18
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H11/00—Marine propulsion by water jets
- B63H11/02—Marine propulsion by water jets the propulsive medium being ambient water
- B63H11/04—Marine propulsion by water jets the propulsive medium being ambient water by means of pumps
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H21/00—Use of propulsion power plant or units on vessels
- B63H21/20—Use of propulsion power plant or units on vessels the vessels being powered by combinations of different types of propulsion units
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/10—Placing gravel or light material under water inasmuch as not provided for elsewhere
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H21/00—Use of propulsion power plant or units on vessels
- B63H21/20—Use of propulsion power plant or units on vessels the vessels being powered by combinations of different types of propulsion units
- B63H2021/202—Use of propulsion power plant or units on vessels the vessels being powered by combinations of different types of propulsion units of hybrid electric type
- B63H2021/207—Use of propulsion power plant or units on vessels the vessels being powered by combinations of different types of propulsion units of hybrid electric type the second power unit being a gas turbine
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
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Abstract
The invention aims to provide a gas turbine driven full-electric water spray propulsion self-discharging stone casting reef building ship with an inclined tipping bucket, which comprises an outer ship body, wherein the tipping bucket is installed through a tipping bucket shaft and realizes the relative rotation of the outer ship body, two sides of a tail plate are provided with guide rods, an iron chain is arranged between the guide rods and a winch, a steering engine is arranged in a cab, a spray head of a spray pump propeller extends out of the rear end of the outer ship body, and a propulsion motor is connected with the spray pump propeller through a motor-pump coupling. The electric propulsion system adopted by the reef building ship solves the problem of the arrangement position of the gas turbine; the jet pump propeller can improve the propelling efficiency and can also sail in shallow water; the work load of the hydraulic oil cylinder can be reduced by the inclined design of the tipping bucket and the design of the tail plate; the rotation of tailboard can be controlled to the hoist engine, prevents that the tailboard from opening suddenly and producing impact load, improves the reliability of boats and ships.
Description
Technical Field
The invention relates to a ship, in particular to a reef building ship.
Background
In recent years, the highway network of the quanto-octada has promoted the rise of the express industry, so that fresh and live seafood is no longer a luxury product for inland areas, and the demand of seafood is increasing. Over-fishing and environmental pollution accelerate the exhaustion of marine resources.
Offshore reef construction has also been vigorously developed in recent years as an important form of marine ranch. The offshore reef building can rapidly provide habitat and food resources for marine organisms, can rapidly output a large amount of high-quality seafood to the market, can also restore the natural environment and increase the diversity of the offshore organisms.
Disclosure of Invention
The invention aims to provide a gas turbine driven full-electric water jet propulsion self-discharging type stone-throwing reef-building ship with an inclined tipping bucket, which overcomes the defects that the existing reef-building ship is single in type and cannot be suitable for various sea condition requirements and the like.
The purpose of the invention is realized as follows:
the invention relates to a gas turbine driven full-electric water jet propulsion self-discharging type stone-casting reef-building ship with an inclined tipping bucket, which is characterized in that: the ship comprises an outer ship body, wherein a tipping bucket, a tail plate, a winch, a jet pump propeller, a propulsion motor, a cab, a gas turbine, a generator, a hydraulic oil tank, a hydraulic oil cylinder, a hydraulic oil pump motor and a booster oil flow direction control valve are arranged on the outer ship body, the tipping bucket is installed through a tipping bucket shaft and realizes relative rotation to the outer ship body, guide bars are arranged on two sides of the tail plate, an iron chain is arranged between each guide bar and the winch, a steering engine is arranged in the cab, a nozzle of the jet pump propeller extends out from the rear end of the outer ship body, the propulsion motor is connected with the jet pump propeller through a motor-pump coupling, power is transmitted between the propulsion motor and the generator through a cable, the gas turbine-generator coupling is connected between the gas turbine and the generator and transmits power through the steering engine, electric energy is transmitted between the hydraulic oil pump motor and the generator through the cable, and power is transmitted between the hydraulic oil pump motor and the hydraulic oil pump shaft through a belt, the hydraulic oil pump pumps low-pressure hydraulic oil from the hydraulic oil tank through the hydraulic oil inlet pipe, and high-pressure oil generated by pressurization of the hydraulic oil pump flows into the steering engine and the pressurized oil flow direction control valve through the hydraulic oil outlet pipe; the pressure-increasing oil flow direction control valve is connected with the hydraulic oil cylinder through a hydraulic oil outlet pipe and is connected with a hydraulic oil tank through a hydraulic oil return pipe; hydraulic oil is conveyed between the steering engine and the jet pump propeller through a hydraulic oil outlet pipe, hydraulic oil is conveyed between the jet pump propeller and a hydraulic oil tank through a hydraulic oil return pipe, and electric power is transmitted between the winch and the generator through a cable.
The present invention may further comprise:
1. an arc-shaped guide groove is processed on the tipping bucket, the guide rod slides in the guide groove, and the guide rod is driven to move by the winding and unwinding iron chain rotated by the winding engine, so that the opening and closing of the tail plate are controlled.
2. The hydraulic cylinder's both sides set up the hydraulic cylinder support, and hydraulic cylinder forms the revolute pair with the hydraulic cylinder support, and the tipping bucket below sets up the tipping bucket below support, sets up the hole in the tipping bucket below support, and the hydraulic cylinder round pin is connected to the hydraulic cylinder top, and the hydraulic cylinder round pin passes the hole formation simple beam of tipping bucket below support, and when hydraulic cylinder supported, the hydraulic cylinder round pin transmitted the lifting power to the tipping bucket, drove the tipping bucket and rotate.
3. The pressurizing oil flow direction control valve comprises a pressurizing oil flow direction control valve shell, a valve cover is fixed at the lower end of the pressurizing oil flow direction control valve shell, a pressure relief control rod and a pressurizing control rod are arranged in the pressurizing oil flow direction control valve shell, a slide valve is arranged between the pressure relief control rod and the pressurizing oil flow direction control valve shell, a pressure relief rod maintaining spring is sleeved on the pressure relief control rod, a pressurizing rod maintaining spring is sleeved on the pressurizing control rod, the pressurizing oil flow direction control valve shell and the slide valve are supported by an upper maintaining spring, the slide valve and the valve cover are supported by a lower maintaining spring, a hydraulic oil inlet channel and a pressurizing oil channel are arranged on the pressurizing oil flow direction control valve shell where the pressurizing control rod is located, an oil inlet groove, a pressure relief groove and a pressurizing groove are arranged on the slide valve where the pressurizing control rod is located, the hydraulic oil inlet channel is matched with the oil inlet groove, the pressurizing oil channel is respectively matched with the pressure relief groove, and a hydraulic oil return channel is arranged on the pressurizing control valve shell where the pressure relief control rod is located, an oil return groove is formed in a slide valve where the pressure relief control rod is located, and a hydraulic oil return channel is matched with the oil return groove.
4. High-pressure oil flowing out of a hydraulic oil pump enters a hydraulic oil outlet pipe, the hydraulic oil outlet pipe is communicated with a hydraulic oil inlet channel, a hydraulic oil return channel is communicated with the hydraulic oil return pipe, hydraulic oil entering and exiting a pressurization oil channel is communicated with a hydraulic oil cylinder through the transmission of the hydraulic oil outlet pipe, when the upper and lower stress of a slide valve is balanced, the hydraulic oil cylinder does not extend at the moment, the pressurization oil flows to a hydraulic oil inlet channel on a control valve shell and is communicated with an oil inlet groove, the pressurization groove is opposite to the side wall of the slide valve, the hydraulic oil cannot flow out of the pressurization groove, the hydraulic oil return channel is communicated with an oil return groove, and the hydraulic oil passes through the hydraulic oil inlet channel, the oil inlet groove, a hole in the side wall of a pressurization control rod, a central oil channel of the slide valve, a hole in the side wall of a pressure release control rod, the oil return groove and the hydraulic oil return channel to enter an oil return pipeline; when the pressurization control rod pushes upwards, the upper maintaining spring and the pressure relief rod maintain the compression of the spring, the lower part of the oil inlet groove is communicated with the hydraulic oil inlet path, the pressurization groove is communicated with the pressurization oil duct, the hydraulic oil return path is blocked by the side wall of the slide valve, no hydraulic oil flows, and high-pressure oil from the hydraulic oil pump only can flow through the hydraulic oil inlet path, the oil inlet groove, the hole in the side wall of the pressurization control rod, the pressurization oil duct and the pressurization groove in sequence and finally enters the hydraulic oil cylinder to support the hydraulic oil cylinder; when the pressure relief control rod is pressed downwards to the lowest point, the pressure increasing rod maintains the compression of the spring and the lower maintaining spring, the hydraulic oil inlet path is blocked by the slide valve, the oil inlet groove is not communicated with the hydraulic oil inlet path, and pressurized oil from the hydraulic oil pump cannot enter the pressurized oil flowing into the control valve; the pressure boosting oil duct is communicated with the pressure relief groove, the hydraulic oil return duct is communicated with the oil return groove, the oil pressure in the hydraulic oil cylinder is larger than the oil pressure in the hydraulic oil tank, under the action of pressure difference, the hydraulic oil in the hydraulic oil cylinder sequentially returns to the hydraulic oil tank through the hydraulic oil outlet pipe, the pressure boosting oil duct, the pressure relief groove, the hole in the side wall of the pressure boosting control rod, the hole in the center of the slide valve, the hole in the side wall of the pressure relief control rod, the oil return groove, the hydraulic oil return duct and the hydraulic oil return pipe, and the hydraulic oil cylinder also falls down.
5. When the reef building ship body is loaded at a wharf, the gas turbine is started, and power is transmitted to the generator through the gas turbine-generator coupling to generate power. The motor for the hydraulic oil pump is not electrified, the propelling motor is not electrified, the jet pump propeller does not work, the tipping bucket is at the lowest point, the foremost end of the tipping bucket is erected on a deck of the outer hull, high-pressure oil does not exist in the hydraulic oil cylinder, the tail plate of the tipping bucket is folded and located at the highest point, the winch is electrified, the iron chain is tightened to maintain the state of the tail plate, and the tail plate is prevented from being rapidly opened under the action of the obliquely downward gravity component of the reef to generate an impact load.
6. After charging is finished, the gas turbine drives the generator to generate electricity, the motor for the hydraulic oil pump, the propulsion motor and the winch are all connected with electricity to work, the motor for the hydraulic oil pump drives the hydraulic oil pump to work through a belt, the hydraulic oil pump extracts low-pressure oil from the hydraulic oil tank to carry out pressurization, and part of generated high-pressure oil returns to the hydraulic oil tank through a hydraulic oil outlet pipe, a steering engine, a jet pump propeller and a hydraulic oil return pipe to control the propulsion direction; the other part of high-pressure oil enters the pressurized oil flow direction control valve, enters the hydraulic oil return pipe and flows back to the hydraulic oil tank through the hydraulic oil inlet path, the oil inlet groove on the side wall of the slide valve, the hole on the central plate of the slide valve, the oil return groove and the hydraulic oil return channel, at the moment, the hydraulic oil cylinder is still kept in the original state, the winch is electrified, the iron chain is tightened, and the state that the tail plate is at the highest point is maintained.
7. After the hydraulic oil reaches a rock throwing sea area, the propelling motor stops working, the winch slowly releases the iron chain, the unconstrained tail plate is opened under the self gravity and the downward load of the reef, the tail plate stops moving until the guide rod slides to the lowest point of the guide groove, at the moment, the tail plate and the bottom plate of the turning 2 are in the same straight line, the reef slides into the sea from the rear part of the turning bucket under the self gravity action, for a small amount of reefs remained in the turning bucket, the boosting control rod is pushed upwards, the upper maintaining spring and the pressure relief rod maintain the compression of the spring, the lower part of the oil inlet groove is communicated with the hydraulic oil inlet channel, the boosting groove is communicated with the boosting oil duct, the hydraulic oil return channel is blocked by the side wall of the slide valve, no hydraulic oil circulates, the high-pressure oil from the hydraulic oil pump can only sequentially flow through the hydraulic oil inlet channel, the holes on the side wall of the boosting control rod, the boosting oil channel and the boosting oil tank, and finally enters the hydraulic oil cylinder and the hydraulic oil cylinder extends under the action of the hydraulic oil, the tipping bucket turns over after rising, the inclination angle increases, the reef rolls off; after the ship is unloaded, the pressure relief control rod is pressed down to the lowest point, the pressure increasing rod maintains the compression of the spring and the lower maintaining spring, the hydraulic oil inlet path is blocked by the slide valve, the oil inlet groove is not communicated with the hydraulic oil inlet path, and pressurized oil from the hydraulic oil pump cannot enter the pressurized oil to flow into the control valve; the hydraulic oil in the hydraulic oil cylinder sequentially flows through the hydraulic oil outlet pipe, the boosting oil duct, the pressure relief groove, a hole in the side wall of the boosting control rod, a hole in the center of the slide valve, a hole in the side wall of the pressure relief control rod, the oil return groove, the hydraulic oil return channel and the hydraulic oil return pipe to return to the hydraulic oil tank under the action of downward gravity of the tipping bucket, the hydraulic oil cylinder also shrinks and falls, the tipping bucket returns to the position, the boosting oil flows to the control valve to return to the advanced state, after the tipping bucket returns to the position, the iron chain is tightened and wound upwards by the winch, the guide rod is pulled by the iron chain to move upwards along the guide groove, the tail plate also rotates upwards, the movement is stopped after the tail plate reaches the upper dead point of the guide groove, and the winch is locked to prevent the tail plate from being opened due to the loosening of the iron chain.
The invention has the advantages that:
(1) the reef building ship adopts an electric propulsion system, power is transmitted by a cable, and the arrangement of a power generation unit of a gas turbine is not limited by position;
(2) the jet pump propeller has higher propelling efficiency and can sail in shallow water, so that the performance of the ship adapting to various sea conditions is improved;
(3) the tipping bucket bottom plate is obliquely designed, so that a part of reefs can automatically slide down when the tail plate is opened, and the working load of the hydraulic oil cylinder is reduced;
(4) the switch of the tipping bucket tail plate is controlled by a winch, so that the tail plate can be prevented from bearing huge impact load when opened.
Drawings
FIG. 1 is a top view of the present invention;
FIG. 2 is a connection diagram of the electrical and hydraulic equipment of the present invention;
FIG. 3 is a diagram of the arrangement of the devices in the cabin and on the deck of the present invention;
FIG. 4 is a schematic view of a hydraulic cylinder fixing mode;
FIG. 5 is a schematic view of pressurized oil flow to the control valve assembly.
Detailed Description
The invention will now be described in more detail by way of example with reference to the accompanying drawings in which:
referring to fig. 1 to 5, the gas turbine-driven full electric water jet propulsion self-discharging type stone-casting reef-building ship with the inclined tipping bucket comprises: the device comprises an outer hull 1, a tipping bucket 2, an iron chain 3, a tail plate 4, a winch 5, a guide rod 6, a spray pump propeller 7, a cab 8, a steering engine 9, a tipping bucket shaft 10 and a deck 11. The tipping bucket 2 is arranged in the space in the middle of the outer ship body 1, and the tipping bucket shaft 10 is fixed on two sides of the tipping bucket 2, so that the tipping bucket 2 can rotate relative to the outer ship body 1. One end of the iron chain 3 is fixed on the guide rod 6, the other end of the iron chain is wound on the winch 5, the guide rod 6 is fixed on two sides of the upper part of the tail plate 4, and when the winch 5 rotates, the lifting of the tail plate 4 can be realized. Two winches 5 are respectively fixed on the decks 11 at the rear ends of both sides of the outer hull 1. The nozzle of the jet pump propeller 7 extends from the rear end of the outer hull 1 and is used for spraying water backwards during propulsion. Cab 8 and steering wheel 9 are all fixed on the deck at outer hull 1 front end, and steering wheel 9 is arranged in cab 8.
Referring to fig. 2, the gas turbine driven full electric water jet propelled self-discharging stone-throwing reef building ship electric and hydraulic equipment with the inclined tipping bucket comprises: the device comprises a jet pump propeller 7, a propelling motor 12, a cable 13, a winch 5, a hydraulic oil return pipe 14, a motor-pump coupling 15, a hydraulic oil cylinder 16, a hydraulic oil inlet pipe 17, a hydraulic oil tank 18, a supercharged oil flow control valve 19, a hydraulic oil outlet pipe 20, a steering engine 9, a hydraulic oil pump 21, a belt 22, a hydraulic oil pump motor 23, a gas turbine 24, a gas turbine-generator coupling 25 and a generator 26. A motor-pump coupling 15 is connected between the jet pump propeller 7 and the propeller motor 12 shafting, and power is transmitted by the motor-pump coupling 15. The power is transmitted between the propulsion motor 12 and the generator 26 through the cable 13, and the gas turbine-generator coupling 25 is connected between the shafting of the gas turbine 24 and the generator 26 and is used for transmitting the power. Electric energy is transmitted between a motor 23 for a hydraulic oil pump and a generator 26 through a cable 13, the motor 23 for the hydraulic oil pump and a hydraulic oil pump 21 are connected through a belt 22 to transmit power, the hydraulic oil pump 21 pumps low-pressure hydraulic oil from a hydraulic oil tank 18 through a hydraulic oil inlet pipe 17, and high-pressure oil generated by pressurization of the hydraulic oil pump 21 flows into a steering engine 9 and a pressurized oil flow direction control valve 19 through a hydraulic oil outlet pipe 20; the pressurized oil flow direction control valve 19 is also connected with the hydraulic oil cylinder 16 through a hydraulic oil outlet pipe 20 and connected with a hydraulic oil tank 18 through a hydraulic oil return pipe 14; hydraulic oil is conveyed between the steering engine 9 and the jet pump propeller 7 through a hydraulic oil outlet pipe 20, and hydraulic oil is conveyed between the jet pump propeller 7 and the hydraulic oil tank 18 through a hydraulic oil return pipe 14. The cable 13 is used for transmitting power between the winch 5 and the generator 26.
Referring to fig. 3, the gas turbine-driven full electric water jet propulsion self-discharging type rock-throwing reef-building cabin and deck device with the inclined tipping bucket of the invention comprises: the device comprises a tipping bucket 2, an iron chain 3, a winch 5, a guide groove 27, a tail plate 4, a tipping bucket shaft 10, a jet pump propeller 7, a motor-pump coupling 15, a gas turbine 24, a propulsion motor 16, a generator 26, a cab 8, a steering engine 9, a deck 11, a hydraulic oil cylinder support 28, a hydraulic oil cylinder 16, an outer hull 1, a hydraulic oil tank 18, a hydraulic oil pump 21, a belt 22 and a motor 23 for the hydraulic oil pump. The guide groove 27 is a circular groove formed in the vessel 2, and the guide rod 6 slides in the guide groove 27. The guide rod 6 is driven to move by the winding machine 5 rotating the retractable iron chain 3, so that the tail plate 4 is controlled to be opened and closed, the winding machine 5 is arranged at the tail part of the outer ship body 1, and the rotating shaft direction of the winding machine is the same as that of the tipping bucket shaft 10. The gas turbine 24 and the generator 26 are coaxially fixed in the cabin at the front end of the outer hull 1, and the propulsion motor 12 and the jet pump propeller 7 are connected by a motor-pump coupling 15 and coaxially fixed in the cabins at the rear ends of both sides of the outer hull 1. The water outlet of the jet pump propeller 7 extends out of the outer hull 1 from a steel plate at the rear part, the water inlet is fixed on a bottom plate of the ship, and the contact part of the water inlet and the water outlet and the outer hull 1 is sealed. The hydraulic oil pump 21, the motor 23 for the hydraulic oil pump and the hydraulic oil tank 18 are also fixed at the bottom of the cabin of the outer hull 1, and the hydraulic oil pump 21 and the motor 23 for the hydraulic oil pump transmit power by a belt 22. The upper end of the hydraulic oil cylinder 16 rotates relative to the tipping bucket 2 through a ring at the top, and two sides of the hydraulic oil cylinder establish a rotating pair with the hydraulic oil cylinder bracket 28. The hydraulic oil cylinder bracket 28 is fixed below the deck 11, is vertically arranged with the deck 11 and is positioned below the steel plate at the foremost end of the tipping bucket 2.
Referring to fig. 4, the invention discloses a gas turbine driven full electric water jet propelled self-discharging stone-throwing reef building boat with a tilting tipping bucket, which comprises components related to the fixation of a hydraulic oil cylinder 16: the hydraulic cylinder pin 51, the dump box 2, the outer hull 1, the hydraulic cylinder 16, the hydraulic cylinder bracket 28, the hydraulic cylinder rotating shaft 30, the rotating shaft assembling nut 32, the fixing sleeve 29 and the rotating shaft adjusting screw 31. The hydraulic ram supports 28 are vertical and fixed below the deck 11 of the outer hull 1. The hydraulic cylinder pin 51 penetrates through the holes of the supports below the left and right tipping buckets 2 to form a simple supporting beam, the ring at the top of the hydraulic cylinder 16 is arranged in the middle of the hydraulic cylinder pin 51, and when the hydraulic cylinder 16 is supported, the hydraulic cylinder pin 51 transmits lifting force to the tipping buckets 2 to drive the tipping buckets 2 to rotate. The hydraulic oil cylinder rotating shaft 30 penetrates through a hole in the side face of the hydraulic oil cylinder support 28 and is screwed into the rotating shaft assembly nut 32, the rotating shaft assembly nut 32 is fixed on the left side and the right side of the hydraulic oil cylinder 16, so that the hydraulic oil cylinder 16 can rotate around the shaft, and the hydraulic oil cylinder 16 can be always perpendicular to the tipping bucket 2 by the aid of a rotating pair of the hydraulic oil cylinder rotating shaft 30 and a rotating pair of a top ring of the hydraulic oil cylinder 16, so that the hydraulic oil cylinder 16 cannot be broken. The part of the hydraulic oil cylinder rotating shaft 30 extending out of the hydraulic oil cylinder bracket 28 is sleeved with a fixed sleeve 29 to prevent the hydraulic oil cylinder 16 from shifting left and right; the rotating shaft adjusting screw 31 passes through a hole at the bottom of the fixing sleeve 29 and is screwed into a bolt hole at the top of the hydraulic oil cylinder rotating shaft 30, so that the fixing sleeve 29 is prevented from falling to cause the fixing sleeve to be incapable of restraining the hydraulic oil cylinder 16 from moving left and right.
Referring to fig. 5, the specific structure of the pressurized oil flow direction control valve 19 of the gas turbine-driven full-electric water jet propulsion self-discharging stone-throwing reef building ship with the inclined tipping bucket of the present invention includes: pressurized oil flows to a control valve housing 33, an upper maintaining spring 34, a pressure relief rod maintaining spring 35, a pressure relief control rod 36, a hydraulic oil inlet passage 37, an oil inlet groove 38, a pressurization control rod 39, a slide valve 40, an oil return groove 41, a hydraulic oil return passage 42, a pressure relief groove 43, a pressurization oil passage 44, a pressurization groove 45, a lower maintaining spring 46, a pressurization rod maintaining spring 47, a sealing washer 48, a valve cover pressing screw 49 and a valve cover 50. The pressurized oil flows between the control valve shell 33 and the slide valve 40 and is supported by an upper maintaining spring 34, a lower maintaining spring 46 is supported between the slide valve 40 and the valve cover 50, and the two springs are used for preventing the slide valve 40 from freely moving and changing the flow direction of the pressurized oil; the pressurized oil flows between the control valve housing 33 and the pressure release control rod 36 and is supported by a pressure release rod maintaining spring 35, the pressurized control rod 39 and the valve cover 50 are supported by a pressure increase rod maintaining spring 47, and the two springs have the functions of preventing the pressurized control rod 39 and the pressure release control rod 36 from moving and influencing the flow stability of the hydraulic oil. The pressure release lever 36 and the pressure boost lever 39 are used to push the slide valve 40 to slide up and down, so that the oil groove of the slide valve 40 is communicated with the different oil passages of the pressurized oil flowing to the control valve housing 33, thereby changing the flow direction of the hydraulic oil.
The high-pressure oil flowing out of the hydraulic oil pump 21 enters the hydraulic oil outlet pipe 20, the hydraulic oil outlet pipe 20 connected with the pressurized oil flowing to the control valve 19 is communicated with the hydraulic oil inlet path 37, the hydraulic oil return path 42 is communicated with the hydraulic oil return pipe 14, and the hydraulic oil flowing in and out of the pressurized oil path 44 is communicated with the hydraulic oil cylinder 16 through the transmission of the hydraulic oil outlet pipe 20. When the upper and lower stress of the slide valve 40 is balanced, at the moment, the hydraulic oil cylinder 16 does not need to extend, pressurized oil flows to the hydraulic oil inlet path 37 and the oil inlet groove 38 on the control valve shell 33, the pressurizing groove 45 is opposite to the side wall of the slide valve 40, the hydraulic oil cannot flow out of the pressurizing groove 45, the hydraulic oil return channel 42 is communicated with the oil return channel 41, and the hydraulic oil sequentially passes through the hydraulic oil inlet path 37, the oil inlet groove 38, the hole in the side wall of the pressurizing control rod 39, the central oil passage of the slide valve 40, the hole in the side wall of the pressure release control rod 36, the oil return channel 41 and the hydraulic oil return channel 42 and enters an oil return pipeline; when the pressurization control rod 39 is pushed upward, the upper maintaining spring 34 and the pressure relief rod maintaining spring 35 are compressed, the lower part of the oil inlet groove 38 is communicated with the hydraulic oil inlet path 37, the pressurization groove 45 is communicated with the pressurization oil passage 44, the hydraulic oil return path 42 is blocked by the side wall of the slide valve 40, no hydraulic oil flows, and high-pressure oil from the hydraulic oil pump 24 only can flow through the hydraulic oil inlet path 37, the oil inlet groove 38, the hole in the side wall of the pressurization control rod 39, the pressurization oil passage 44 and the pressurization groove 45 in sequence and finally enters the hydraulic oil cylinder 16 to be extended and supported. When the pressure release control rod 36 is pressed down to the lowest point, the pressure increasing rod maintaining spring 47 and the lower maintaining spring 46 are compressed, the hydraulic oil inlet path 37 is blocked by the slide valve 40, the oil inlet groove 38 is not communicated with the hydraulic oil inlet path 37, and high-pressure oil from the hydraulic oil pump 21 cannot enter the pressure increasing oil and flow into the control valve 19; the pressure-increasing oil passage 44 communicates with the pressure-releasing groove 43, the hydraulic oil return passage 42 communicates with the oil return groove 41, and the oil pressure in the hydraulic cylinder 16 is greater than the oil pressure in the hydraulic oil tank 18. Under the action of the pressure difference, the hydraulic oil in the hydraulic oil cylinder 16 returns to the hydraulic oil tank 18 through the hydraulic oil outlet pipe 20, the pressurizing oil passage 44, the pressure relief groove 43, the hole in the side wall of the pressurizing control rod 39, the hole in the center of the slide valve 40, the hole in the side wall of the pressure relief control rod 36, the oil return groove 41, the hydraulic oil return passage 42 and the hydraulic oil return pipe 14 in sequence, and the hydraulic oil cylinder 16 also falls.
The working process of the gas turbine driven full-electric water jet propulsion self-discharging type stone-casting reef-building ship with the inclined tipping bucket comprises the following steps:
a gas turbine drive full electric water jet propulsion self-discharging formula stone-throwing reef-building ship tipping bucket 2 with slope tipping bucket adopts the slope structure, can reduce hydraulic cylinder 16's load greatly, has improved the life of boats and ships.
When the reef building ship is loaded at the wharf, the state of the ship is as follows: the gas turbine 24 is started and power is transmitted to the generator 26 via the gas turbine-generator coupling 25 to generate electricity. The hydraulic oil pump motor 23 is not energized, and therefore, the components of the respective hydraulic systems do not operate. The propulsion motor 12 is also not energized and the jet pump propeller 7 is not operated, so that the ship cannot advance. The dump body 2 is at the lowest point, the foremost end of the dump body is connected with the deck 11 of the outer hull 1, and high-pressure oil is not contained in the hydraulic oil cylinder 16, so that the dump body does not extend. The tail board 4 of the tipping bucket 2 is retracted and positioned at the highest point. The winch 5 is electrified, the iron chain 3 is tightened to maintain the state of the tail plate 4, and the tail plate 4 is prevented from being rapidly opened under the action of the downward gravity component of the reef in the inclined direction to generate impact load.
After the charging is finished, the gas turbine 24 continues to drive the generator 26 to generate power, and the hydraulic oil pump motor 23, the propulsion motor 12 and the winch 5 are all powered on to work. A motor 23 for a hydraulic oil pump drives a hydraulic oil pump 21 to work through a belt 22, the hydraulic oil pump 21 pumps low-pressure oil from the hydraulic oil tank 18 for pressurization, and part of the generated high-pressure oil returns to the hydraulic oil tank 18 through a hydraulic oil outlet pipe 20, a steering engine 9, a jet pump propeller 7 and a hydraulic oil return pipe 14 to control the propelling direction of the ship; the other part of the high-pressure oil enters the pressurized oil and flows to the control valve 19, passes through the hydraulic oil inlet path 37, the oil inlet groove 38 on the side wall of the slide valve 40, the hole on the central plate of the slide valve 40, the oil return groove 41 and the hydraulic oil return channel 42, enters the hydraulic oil return pipe 14 and flows back to the hydraulic oil tank 18, and at the moment, the hydraulic oil cylinder 16 is still kept. The winch 5 is still electrified, the iron chain 3 is tightened, and the tail plate 4 is kept at the highest point.
And after the ship reaches the stone throwing sea area, the ship stops advancing. The propulsion motor 12 stops working, the iron chain 3 is slowly released by the winch 5, the tail plate 4 which is out of restraint is slowly opened under the self gravity and the downward load of the reef, the tail plate 4 stops moving when the guide rod 6 slides to the lowest point of the guide groove 27, at the moment, the tail plate 4 and the bottom plate of the tipping bucket 2 are in the same straight line, and the reef slides into the sea from the rear part of the tipping bucket 2 under the self gravity. For a small amount of reefs possibly remaining in the dump bucket 2, the pressurization control rod 39 is pushed upwards, the upper maintaining spring 34 and the pressure relief rod maintaining spring 35 are compressed, the lower part of the oil inlet groove 38 is communicated with the hydraulic oil inlet path 37, the pressurization groove 45 is communicated with the pressurization oil duct 44, the hydraulic oil return channel 42 is blocked by the side wall of the slide valve 40, no hydraulic oil circulates, high-pressure oil from the hydraulic oil pump 21 only can sequentially flow through the hydraulic oil inlet path 37, the oil inlet groove 38, holes in the side wall of the pressurization control rod 39, the pressurization oil duct 44 and the pressurization groove 45, and finally enters the hydraulic oil cylinder 16, the hydraulic oil cylinder 5 extends and supports under the action of the hydraulic oil, the dump bucket 2 turns over after rising, the inclination angle is increased, and the reefs roll down. After the ship is unloaded, the pressure relief control rod 36 is pressed down to the lowest point, the pressure increasing rod maintaining spring 47 and the lower maintaining spring 46 are compressed, at the moment, the hydraulic oil inlet path 37 is blocked by the slide valve 40, the oil inlet groove 48 is not communicated with the hydraulic oil inlet path 37, and pressurized oil from the hydraulic oil pump 21 cannot enter the pressurized oil to flow into the control valve 19; the pressure-increasing oil passage 44 communicates with the pressure-releasing groove 43, the hydraulic oil return passage 42 communicates with the oil return groove 41, and the oil pressure in the hydraulic cylinder 16 is greater than the oil pressure in the hydraulic oil tank 18. Under the action of the downward gravity of the dump truck 2, the hydraulic oil in the hydraulic oil cylinder 16 returns to the hydraulic oil tank 18 through the hydraulic oil outlet pipe 20, the pressurizing oil passage 44, the pressure relief groove 43, the hole in the side wall of the pressurizing control rod 39, the hole in the center of the slide valve 40, the hole in the side wall of the pressure relief control rod 36, the oil return groove 41, the hydraulic oil return passage 42 and the hydraulic oil return pipe 14 in sequence, the hydraulic oil cylinder 16 also contracts and falls, the dump truck 2 returns, and the pressurized oil flows to the control valve 19 and returns to the state during the propulsion of the ship. After the tipping bucket 2 returns, the windlass 5 tightens the iron chain 3 and winds upwards, the iron chain 3 pulls the guide rod 6 to move upwards along the guide groove 27, the tail plate 4 also rotates upwards, the movement is stopped after the top dead center of the guide groove 27 is reached, the windlass 5 is also locked, and the tail plate 4 is prevented from being opened due to the fact that the iron chain 3 is loosened.
After stone throwing work is finished, the propulsion motor 12 is electrified again, and the jet pump propeller 7 is driven by the motor-pump coupler 15 to work to propel the ship to move back to the wharf for loading.
Claims (8)
1. The utility model provides a gas turbine drive full electric force water jet propulsion self-discharging formula stone throwing reef building ship with slope tipping bucket, characterized by: the ship comprises an outer ship body, wherein a tipping bucket, a tail plate, a winch, a jet pump propeller, a propulsion motor, a cab, a gas turbine, a generator, a hydraulic oil tank, a hydraulic oil cylinder, a hydraulic oil pump motor and a booster oil flow direction control valve are arranged on the outer ship body, the tipping bucket is installed through a tipping bucket shaft and realizes relative rotation to the outer ship body, guide bars are arranged on two sides of the tail plate, an iron chain is arranged between each guide bar and the winch, a steering engine is arranged in the cab, a nozzle of the jet pump propeller extends out from the rear end of the outer ship body, the propulsion motor is connected with the jet pump propeller through a motor-pump coupling, power is transmitted between the propulsion motor and the generator through a cable, the gas turbine-generator coupling is connected between the gas turbine and the generator and transmits power through the steering engine, electric energy is transmitted between the hydraulic oil pump motor and the generator through the cable, and power is transmitted between the hydraulic oil pump motor and the hydraulic oil pump shaft through a belt, the hydraulic oil pump pumps low-pressure hydraulic oil from the hydraulic oil tank through the hydraulic oil inlet pipe, and high-pressure oil generated by pressurization of the hydraulic oil pump flows into the steering engine and the pressurized oil flow direction control valve through the hydraulic oil outlet pipe; the pressure-increasing oil flow direction control valve is connected with the hydraulic oil cylinder through a hydraulic oil outlet pipe and is connected with a hydraulic oil tank through a hydraulic oil return pipe; hydraulic oil is conveyed between the steering engine and the jet pump propeller through a hydraulic oil outlet pipe, hydraulic oil is conveyed between the jet pump propeller and a hydraulic oil tank through a hydraulic oil return pipe, and electric power is transmitted between the winch and the generator through a cable.
2. The gas turbine-driven full-electric water jet propulsion self-discharging stone-throwing reef building boat with the inclined tipping bucket according to claim 1, which is characterized in that: an arc-shaped guide groove is processed on the tipping bucket, the guide rod slides in the guide groove, and the guide rod is driven to move by the winding and unwinding iron chain rotated by the winding engine, so that the opening and closing of the tail plate are controlled.
3. The gas turbine-driven full-electric water jet propulsion self-discharging stone-throwing reef building boat with the inclined tipping bucket according to claim 1, which is characterized in that: the hydraulic cylinder's both sides set up the hydraulic cylinder support, and hydraulic cylinder forms the revolute pair with the hydraulic cylinder support, and the tipping bucket below sets up the tipping bucket below support, sets up the hole in the tipping bucket below support, and the hydraulic cylinder round pin is connected to the hydraulic cylinder top, and the hydraulic cylinder round pin passes the hole formation simple beam of tipping bucket below support, and when hydraulic cylinder supported, the hydraulic cylinder round pin transmitted the lifting power to the tipping bucket, drove the tipping bucket and rotate.
4. The gas turbine-driven full-electric water jet propulsion self-discharging stone-throwing reef building boat with the inclined tipping bucket according to claim 1, which is characterized in that: the pressurizing oil flow direction control valve comprises a pressurizing oil flow direction control valve shell, a valve cover is fixed at the lower end of the pressurizing oil flow direction control valve shell, a pressure relief control rod and a pressurizing control rod are arranged in the pressurizing oil flow direction control valve shell, a slide valve is arranged between the pressure relief control rod and the pressurizing oil flow direction control valve shell, a pressure relief rod maintaining spring is sleeved on the pressure relief control rod, the pressurizing control rod is sleeved with a pressurizing rod maintaining spring, the pressurizing oil flow direction control valve shell and the slide valve are supported by an upper maintaining spring, the slide valve and the valve cover are supported by a lower maintaining spring, a hydraulic oil inlet passage and a pressurizing oil passage are arranged on the pressurizing oil flow direction control valve shell where the pressurizing control rod is located, an oil inlet groove, a pressure relief groove and a pressurizing groove are arranged on the slide valve where the pressurizing control rod is located, the hydraulic oil inlet passage is matched with the oil inlet groove, the pressurizing oil passage is respectively matched with the pressure relief groove and the pressurizing groove, and a hydraulic oil return passage is arranged on the pressurizing oil flow direction control valve shell where the pressure relief control rod is located, an oil return groove is formed in a slide valve where the pressure relief control rod is located, and a hydraulic oil return channel is matched with the oil return groove.
5. The gas turbine driven full-electric water jet propulsion self-discharging stone-throwing reef building boat with the inclined tipping bucket according to claim 4, which is characterized in that: high-pressure oil flowing out of a hydraulic oil pump enters a hydraulic oil outlet pipe, the hydraulic oil outlet pipe is communicated with a hydraulic oil inlet channel, a hydraulic oil return channel is communicated with the hydraulic oil return pipe, hydraulic oil entering and exiting a pressurization oil channel is communicated with a hydraulic oil cylinder through the transmission of the hydraulic oil outlet pipe, when the upper and lower stress of a slide valve is balanced, the hydraulic oil cylinder does not extend at the moment, the pressurization oil flows to a hydraulic oil inlet channel on a control valve shell and is communicated with an oil inlet groove, the pressurization groove is opposite to the side wall of the slide valve, the hydraulic oil cannot flow out of the pressurization groove, the hydraulic oil return channel is communicated with an oil return groove, and the hydraulic oil passes through the hydraulic oil inlet channel, the oil inlet groove, a hole in the side wall of a pressurization control rod, a central oil channel of the slide valve, a hole in the side wall of a pressure release control rod, the oil return groove and the hydraulic oil return channel to enter an oil return pipeline; when the pressurization control rod pushes upwards, the upper maintaining spring and the pressure relief rod maintain the compression of the spring, the lower part of the oil inlet groove is communicated with the hydraulic oil inlet path, the pressurization groove is communicated with the pressurization oil duct, the hydraulic oil return path is blocked by the side wall of the slide valve, no hydraulic oil flows, and high-pressure oil from the hydraulic oil pump only can flow through the hydraulic oil inlet path, the oil inlet groove, the hole in the side wall of the pressurization control rod, the pressurization oil duct and the pressurization groove in sequence and finally enters the hydraulic oil cylinder to support the hydraulic oil cylinder; when the pressure relief control rod is pressed downwards to the lowest point, the pressure increasing rod maintains the compression of the spring and the lower maintaining spring, the hydraulic oil inlet channel is blocked by the slide valve, the oil inlet groove is not communicated with the hydraulic oil inlet channel, and the pressurized oil from the hydraulic oil pump cannot enter the pressurized oil flowing control valve; the pressure boosting oil duct is communicated with the pressure relief groove, the hydraulic oil return duct is communicated with the oil return groove, the oil pressure in the hydraulic oil cylinder is larger than that in the hydraulic oil tank, under the action of pressure difference, hydraulic oil in the hydraulic oil cylinder sequentially flows through the hydraulic oil outlet pipe, the pressure boosting oil duct, the pressure relief groove, a hole in the side wall of the pressure boosting control rod, a hole in the center of the slide valve, a hole in the side wall of the pressure relief control rod, the oil return groove, the hydraulic oil return duct and the hydraulic oil return pipe to return to the hydraulic oil tank, and the hydraulic oil cylinder also falls down.
6. The gas turbine-driven full-electric water jet propulsion self-unloading stone-throwing reef building boat with the inclined tipping buckets as claimed in claim 4, which is characterized in that: when the reef building ship body is loaded at a wharf, the gas turbine is started, and power is transmitted to the generator through the gas turbine-generator coupling to generate power. The motor for the hydraulic oil pump is not electrified, the propelling motor is not electrified, the jet pump propeller does not work, the tipping bucket is at the lowest point, the foremost end of the tipping bucket is erected on a deck of the outer hull, high-pressure oil does not exist in the hydraulic oil cylinder, the tail plate of the tipping bucket is folded and located at the highest point, the winch is electrified, the iron chain is tightened to maintain the state of the tail plate, and the tail plate is prevented from being rapidly opened under the action of the obliquely downward gravity component of the reef to generate an impact load.
7. The gas turbine driven full-electric water jet propulsion self-discharging stone-throwing reef building boat with the inclined tipping bucket according to claim 4, which is characterized in that: after charging is finished, the gas turbine drives the generator to generate electricity, the motor for the hydraulic oil pump, the propulsion motor and the winch are all connected with electricity to work, the motor for the hydraulic oil pump drives the hydraulic oil pump to work through a belt, the hydraulic oil pump extracts low-pressure oil from the hydraulic oil tank to carry out pressurization, and part of generated high-pressure oil returns to the hydraulic oil tank through a hydraulic oil outlet pipe, a steering engine, a jet pump propeller and a hydraulic oil return pipe to control the propulsion direction; the other part of high-pressure oil enters the pressurized oil flow direction control valve, enters the hydraulic oil return pipe and flows back to the hydraulic oil tank through the hydraulic oil inlet path, the oil inlet groove on the side wall of the slide valve, the hole on the central plate of the slide valve, the oil return groove and the hydraulic oil return channel, at the moment, the hydraulic oil cylinder is still kept in the original state, the winch is electrified, the iron chain is tightened, and the state that the tail plate is at the highest point is maintained.
8. The gas turbine driven full-electric water jet propulsion self-discharging stone-throwing reef building boat with the inclined tipping bucket according to claim 4, which is characterized in that: after the hydraulic oil reaches a rock throwing sea area, the propelling motor stops working, the winch slowly releases the iron chain, the unconstrained tail plate is opened under the self gravity and the downward load of the reef, the tail plate stops moving until the guide rod slides to the lowest point of the guide groove, at the moment, the tail plate and the bottom plate of the turning 2 are in the same straight line, the reef slides into the sea from the rear part of the turning bucket under the self gravity action, for a small amount of reefs remained in the turning bucket, the boosting control rod is pushed upwards, the upper maintaining spring and the pressure relief rod maintain the compression of the spring, the lower part of the oil inlet groove is communicated with the hydraulic oil inlet channel, the boosting groove is communicated with the boosting oil duct, the hydraulic oil return channel is blocked by the side wall of the slide valve, no hydraulic oil circulates, the high-pressure oil from the hydraulic oil pump can only sequentially flow through the hydraulic oil inlet channel, the holes on the side wall of the boosting control rod, the boosting oil channel and the boosting oil tank, and finally enters the hydraulic oil cylinder and the hydraulic oil cylinder extends under the action of the hydraulic oil, the tipping bucket turns over after rising, the inclination angle increases, the reef rolls off; after the ship is unloaded, the pressure relief control rod is pressed down to the lowest point, the pressure increasing rod maintains the compression of the spring and the lower maintaining spring, the hydraulic oil inlet path is blocked by the slide valve, the oil inlet groove is not communicated with the hydraulic oil inlet path, and pressurized oil from the hydraulic oil pump cannot enter the pressurized oil to flow into the control valve; the hydraulic oil in the hydraulic oil cylinder sequentially flows through the hydraulic oil outlet pipe, the boosting oil duct, the pressure relief groove, a hole in the side wall of the boosting control rod, a hole in the center of the slide valve, a hole in the side wall of the pressure relief control rod, the oil return groove, the hydraulic oil return channel and the hydraulic oil return pipe to return to the hydraulic oil tank under the action of downward gravity of the tipping bucket, the hydraulic oil cylinder also shrinks and falls, the tipping bucket returns to the position, the boosting oil flows to the control valve to return to the advanced state, after the tipping bucket returns to the position, the iron chain is tightened and wound upwards by the winch, the guide rod is pulled by the iron chain to move upwards along the guide groove, the tail plate also rotates upwards, the movement is stopped after the tail plate reaches the upper dead point of the guide groove, and the winch is locked to prevent the tail plate from being opened due to the loosening of the iron chain.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1596206A (en) * | 2002-07-10 | 2005-03-16 | 西门子公司 | Electric energy supply system for a ship, in particular a navy ship that can be operated with a low ir signature |
| US20100151752A1 (en) * | 2008-12-11 | 2010-06-17 | Yamaha Hatsudoki Kabushiki Kaisha | Water jet propulsion watercraft |
| KR20150027781A (en) * | 2015-02-17 | 2015-03-12 | 현대중공업 주식회사 | Dual fuel system having supplying fuel in lpg carrier |
| CN108313221A (en) * | 2018-04-18 | 2018-07-24 | 秦皇岛市海洋牧场增养殖有限公司 | Large-scale boat self-unloading artificial fishing bank stone dumper certainly |
| CN207997960U (en) * | 2018-03-26 | 2018-10-23 | 兰州交通航养航务有限责任公司 | A kind of self-tipping type stone dumper |
| CN115042948A (en) * | 2022-07-11 | 2022-09-13 | 中国船舶工业集团公司第七0八研究所 | Multi-tube electric water-jet propeller |
-
2022
- 2022-04-26 CN CN202210450848.9A patent/CN114802613B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1596206A (en) * | 2002-07-10 | 2005-03-16 | 西门子公司 | Electric energy supply system for a ship, in particular a navy ship that can be operated with a low ir signature |
| US20100151752A1 (en) * | 2008-12-11 | 2010-06-17 | Yamaha Hatsudoki Kabushiki Kaisha | Water jet propulsion watercraft |
| KR20150027781A (en) * | 2015-02-17 | 2015-03-12 | 현대중공업 주식회사 | Dual fuel system having supplying fuel in lpg carrier |
| CN207997960U (en) * | 2018-03-26 | 2018-10-23 | 兰州交通航养航务有限责任公司 | A kind of self-tipping type stone dumper |
| CN108313221A (en) * | 2018-04-18 | 2018-07-24 | 秦皇岛市海洋牧场增养殖有限公司 | Large-scale boat self-unloading artificial fishing bank stone dumper certainly |
| CN115042948A (en) * | 2022-07-11 | 2022-09-13 | 中国船舶工业集团公司第七0八研究所 | Multi-tube electric water-jet propeller |
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| CN114802613B (en) | 2023-04-28 |
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