CN107640295A - The Multifunctional rinsing boat that topside installation hydraulic pressure mozzle propeller promotes - Google Patents
The Multifunctional rinsing boat that topside installation hydraulic pressure mozzle propeller promotes Download PDFInfo
- Publication number
- CN107640295A CN107640295A CN201610580508.2A CN201610580508A CN107640295A CN 107640295 A CN107640295 A CN 107640295A CN 201610580508 A CN201610580508 A CN 201610580508A CN 107640295 A CN107640295 A CN 107640295A
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- propeller
- mozzle
- hydraulic pressure
- boat
- hinged
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- 238000009434 installation Methods 0.000 title claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 230000005540 biological transmission Effects 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 abstract description 11
- 238000007667 floating Methods 0.000 abstract description 10
- 238000004804 winding Methods 0.000 abstract description 6
- 230000001141 propulsive effect Effects 0.000 abstract description 5
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000010908 decantation Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 241000195493 Cryptophyta Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
Classifications
-
- 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
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
- Y02A20/204—Keeping clear the surface of open water from oil spills
Landscapes
- Cleaning Or Clearing Of The Surface Of Open Water (AREA)
Abstract
The present invention relates to a kind of environmental protection boat on water surface oceangoing ship, the Multifunctional rinsing boat that more particularly to topside installation hydraulic pressure mozzle propeller promotes, including hull, one fixed support is respectively installed at the both sides ship side of hull, each on each fixed support to be hinged one group of hydraulic pressure mozzle propeller and hydraulic jack is stretched on a top, the expansion link that hydraulic jack is stretched on top is hinged with hydraulic pressure mozzle propeller.Hydraulic pressure mozzle propeller is arranged at the topside of midship two, and floating debris cleaning boat reaches original position in river channel and turned around, and hydraulic pressure mozzle propeller propulsive efficiency height is higher than paddle wheel by 50% or so, adds the speed of a ship or plane.Hydraulic pressure mozzle propeller is not easy, by river bed fishing net, rope, debris, pasture and water winding, even if winding, to rise mozzle propeller as long as starting hydraulic cylinder and can be cleared up, convenient and simple.
Description
Technical field
The present invention relates to a kind of environmental protection boat on water surface oceangoing ship, more particularly to a kind of Multifunctional rinsing boat.
Background technology
River course reservoir is the important carrier of water ecological environment, except to meet it is basic drain off floodwater in addition to demand, or people
Living environment important component.As the improvement of people's living standards, house refuse is also more and more, due to groups of people
Environmental consciousness is not strong, and a big chunk rubbish is abandoned in river course reservoir, causes to float a large amount of rubbish on the water surface, seriously polluted；
On the other hand, because sanitary sewage and industrial wastewater largely discharge, the serious nutrition accumulation of river, the water surface is caused to occur largely
Planktonic algae, such as cleaning not in time, also will appear from seriously breaking the significant problem of local area ecological balance.
At present, China's river reservoir for floating object processing except it is a small amount of using artificial salvage in addition to, mainly using floating debris cleaning boat
Salvaged.The work site of floating debris cleaning boat is mainly the river course of river channel or rubbish in blocks, using propeller as propulsion system,
Fishing net, pasture and water in river course etc. are easily wrapped on propeller, it is necessary to drag disembarkation to sling stern in ship and cleared up, time-consuming to take
Power, influence normally to produce.And in actual use, after propeller winding fishing net rope, crewman is attempted with reversing, the side of ahead running
Method gets rid of fishing net rope, as a result but causes stern tube shaft to bend, and propeller comes off, and tries to be clever only to end up with a blunder on the contrary.Paddlewheel propulsion system can
Overcome this shortcoming of propeller propulsion system, but paddlewheel propulsion system is but very low there is propulsive efficiency, causes floating debris cleaning boat
The speed of a ship or plane is slow, decantation time length.
The content of the invention
The present invention is to overcome the above insufficient, there is provided a kind of topside installation hydraulic pressure mozzle propeller promotes multi-functional clear
Float ship, the cleaning ship as propulsion system, is not easy by river bed fishing net, rope, pasture and water, debris using hydraulic pressure mozzle propeller
It can wind, even if winding, be cleared up as long as mozzle propeller is risen；And hydraulic pressure mozzle propeller must push away
Enter that efficiency is higher than paddlewheel propulsion system by 50% or so, add the speed of a ship or plane of floating debris cleaning boat, reduce the decantation time, saving fuel oil consumption, section
About production cost.
To reach above-mentioned purpose, technical scheme is as follows：
The Multifunctional rinsing boat that topside installation hydraulic pressure mozzle propeller promotes, including hull, at the both sides ship side of the hull
One fixed support is respectively installed, it is each on each fixed support to be hinged one group of hydraulic pressure mozzle propeller and a top is stretched
Hydraulic jack, the expansion link that hydraulic jack is stretched on the top are hinged with the hydraulic pressure mozzle propeller；The hydraulic pressure mozzle spiral shell
Rotation oar is mainly made up of propeller, mozzle, upper gear box, column, lower transmission case and hydraulic motor, and the column is connected to institute
State between upper gear box and the lower transmission case, the hydraulic motor is connected with the upper gear box, the propeller with it is described
Lower transmission case connects, and the flow-directing shroud is located at the periphery of the propeller, and the delivery port of the mozzle is taper, described to lead
The receipts mouth of a river of flow tube has taper flooding angle；The hydraulic pressure mozzle propeller is located at institute with the support bracket fastened hinged support
State on upper gear box；The hydraulic pressure mozzle propeller also is located at institute with the hinged support for pushing up the expansion link for stretching hydraulic jack
State on upper gear box.
It is further, between the taper of the mozzle delivery port is 12 ° to 18 °.
It is further that the taper of the mozzle delivery port is 14 °.
It is further, between the angle of the taper flooding angle is 20 ° to 25 °.
It is further that the angle of the taper flooding angle is 23 °.
It is further that one piece of water squeezing plate is provided with above the mozzle, one end of the water squeezing plate is stretched described
The front of the delivery port of mozzle.
It is further the electro-hydraulic remote control system for being mounted with to manipulate propulsion plant in the driver's cabin at the hull stem
Unite, have on the guidance panel of driver's cabin and control electric knob, the electric knob of the control is to starting the hydraulic motor action
Electromagnetic liquid is moved to be operated to proportioning valve, the propeller is carried out fast microrunning, is shut down and rotating.
It is further to be sequentially provided with collection device, holding bay and unloading on stem to the deck of ship stern of the hull
Cabin, mainly the collection rake by conveyer belt assembly and positioned at the conveyer belt assembly front end and cutting wheel form the collection device；
A movable support frame is installed with the stem deck of the hull, the rear end of the conveyer belt assembly is hinged on the activity branch
On support, the both sides of the conveyer belt assembly are each provided with a hoist cylinder, and the cylinder body of the hoist cylinder is hinged on described
On the stem deck of hull, the expansion link of the hoist cylinder is hinged on the conveyer belt assembly.
It is further that the both sides of the discharge compartment are respectively arranged a lifting oil cylinder, the cylinder body hinge of the lifting oil cylinder
It is connected on the ship after-deck of the hull, the expansion link of the lifting oil cylinder is hinged on the discharge compartment.
Compared with prior art, the Multifunctional rinsing that topside installation hydraulic pressure mozzle propeller provided by the invention promotes
Ship, its advantage are：
1. hydraulic pressure mozzle propeller propulsive efficiency height is higher than paddle wheel by 50% or so (referring to shipmate type with power ship), boat is added
Speed, reduce the decantation time, saved fuel consumption, saved production cost；
2. hydraulic pressure mozzle propeller is arranged at the topside of midship two, floating debris cleaning boat reaches original position in river channel and turned around, and protects
Production safety is demonstrate,proved；
3. hydraulic pressure mozzle propeller is not easy to be wound by river bed fishing net, rope, debris, pasture and water, even if winding, as long as starting hydraulic pressure
Cylinder rises mozzle propeller and can cleared up, convenient and simple；
4. hydraulic pressure mozzle propeller uses electrichydraulic control remote control, it is that can reach to make ship only to need a people to be manipulated in driver's cabin
Oceangoing ship advances, stopped, retreating, turning, turning around and fast function at a slow speed, and collection system is opened in the people's control button of driver's cabin one
Close, so that it may reach navigation, collection, the function of unloading.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, make required in being described below to embodiment
Accompanying drawing is briefly described.
Fig. 1 is that the topside disclosed in the embodiment of the present invention installs the Multifunctional rinsing boat that hydraulic pressure mozzle propeller promotes
Front view；
Fig. 2 is the vertical view for the Multifunctional rinsing boat that the topside installation hydraulic pressure mozzle propeller disclosed in the embodiment of the present invention promotes
Figure；
Fig. 3 is the side view for the Multifunctional rinsing boat that the topside installation hydraulic pressure mozzle propeller disclosed in the embodiment of the present invention promotes
Figure；
Figure 4 and 5 are the side view of the hydraulic pressure mozzle propeller disclosed in the embodiment of the present invention；
Fig. 6 is the sectional view of the mozzle disclosed in the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes.
The Multifunctional rinsing boat promoted referring to the topside installation hydraulic pressure mozzle propeller 3 shown in Fig. 1,2 and 3, including ship
Body 1, is respectively provided with a fixed support 2 at the both sides ship side of hull 1, each on each fixed support 2 to be hinged one group of hydraulic pressure and lead
Hydraulic jack 4 is stretched on flow tube propeller 3 and a top, and the expansion link of hydraulic jack 4 is stretched on top and hydraulic pressure mozzle propeller 3 is hinged.
Referring to Figure 4 and 5, hydraulic pressure mozzle propeller 3 is mainly by propeller 3a, mozzle 3b, upper gear box 3c, column 3d, underdrive
Case 3e and hydraulic motor 3f compositions, column are connected between upper gear box and lower transmission case, and hydraulic motor is connected with upper gear box,
Propeller is connected with lower transmission case, and flow-directing shroud is located at the periphery of propeller；One piece of water squeezing plate 5 is provided with above mozzle,
One end of water squeezing plate is stretched to be fixed on column or lower transmission case in the front of the delivery port of mozzle, the other end of water squeezing plate,
The current that water squeezing plate releases propeller do not flow up, and play a part of increasing thrust.Hydraulic pressure mozzle propeller 3 is with fixing
The hinged support 3x of support 2 is located on upper gear box；Hydraulic pressure mozzle propeller 3 stretches the hinge of the expansion link of hydraulic jack 4 with top
Fulcrum 3y is met also to be located on upper gear box.
The electro-hydraulic remote control system of manipulation propulsion plant is mounted with driver's cabin 1a at the stem of hull 1, driver's cabin
Have on guidance panel and control electric knob, the electric knob of the control is moved to ratio to the electromagnetic liquid for starting hydraulic motor action
Valve is operated, and propeller is carried out fast microrunning, is shut down and rotating.
Referring to Fig. 6, mozzle is accelerating type mozzle, and the delivery port 3b1 of mozzle is taper, taper be 12 ° to 18 ° it
Between, according to calculating and testing, taper is preferably 14 °；Delivery port is taper, and when ship advances, inflow increases, and increases the speed of a ship or plane.Lead
The receipts mouth of a river 3b2 of flow tube is that taper flooding angle is horn-like, and when ship advances, inflow increases, and increases the speed of a ship or plane, taper flooding angle
Between angle is 20 ° to 25 °, according to calculating and testing, angle elects 23 ° as.
The propulsive units of floating debris cleaning boat is the foregoing described, the working portion of floating debris cleaning boat is described below in conjunction with Fig. 1.
Collection device 6, holding bay 7 and discharge compartment 8, collection device are sequentially provided with the stem of hull 1 to the deck of ship stern
Mainly the collection rake 6a and cutting wheel 6b by conveyer belt assembly and positioned at conveyer belt assembly front end is formed；The stem deck of hull 1
On be installed with a movable support frame 6c, the rear end of conveyer belt assembly is hinged on movable support frame, the both sides of conveyer belt assembly
A hoist cylinder 6d is each provided with, the cylinder body of hoist cylinder is hinged on the stem deck of hull 1, the expansion link of hoist cylinder
It is hinged on conveyer belt assembly.
Ship stern 3m is stretched out in discharge compartment rear end, and the both sides of discharge compartment are respectively arranged a lifting oil cylinder 8a, the cylinder of lifting oil cylinder
Body is hinged on the ship after-deck of hull 1, and the expansion link of lifting oil cylinder is hinged on discharge compartment.In unloading, lifting oil cylinder handle unloads
Cargo hold top reaches certain altitude, and alignment harbour, automobile are unloaded.
Compared with prior art, the Multifunctional rinsing that topside installation hydraulic pressure mozzle propeller 3 provided by the invention promotes
Ship, its advantage are：
1. the propulsive efficiency height of hydraulic pressure mozzle propeller 3 is higher than paddle wheel by 50% or so (referring to shipmate type with power ship), boat is added
Speed, reduce the decantation time, saved fuel consumption, saved production cost；
2. hydraulic pressure mozzle propeller 3 is arranged at two topsides of the middle part of hull 1, floating debris cleaning boat reaches original position in river channel and turned around,
It ensure that production safety；
3. hydraulic pressure mozzle propeller 3 is not easy to be wound by river bed fishing net, rope, debris, pasture and water, even if winding, as long as starting liquid
Cylinder pressure rises mozzle propeller and can cleared up, convenient and simple；
4. hydraulic pressure mozzle propeller 3 uses electrichydraulic control remote control, it is that can reach to make only to need a people to be manipulated in driver's cabin
Ship advances, stopped, retreating, turning, turning around and fast function at a slow speed, and collection system is opened in the people's control button of driver's cabin one
Close, so that it may reach navigation, collection, the function of unloading.
A variety of modifications to these embodiments will be apparent for those skilled in the art, herein
Defined General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Cause
This, the present invention is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein and new
The consistent most wide scope of clever feature.
Claims (9)
1. the Multifunctional rinsing boat that topside installation hydraulic pressure mozzle propeller promotes, it is characterised in that including hull, the hull
Both sides ship side at a fixed support is respectively installed, it is each on each fixed support to be hinged one group of hydraulic pressure mozzle spiral
Hydraulic jack is stretched on oar and a top, and the expansion link that hydraulic jack is stretched on the top is hinged with the hydraulic pressure mozzle propeller；It is described
Hydraulic pressure mozzle propeller is mainly made up of propeller, mozzle, upper gear box, column, lower transmission case and hydraulic motor, described
Column is connected between the upper gear box and the lower transmission case, and the hydraulic motor is connected with the upper gear box, described
Propeller is connected with the lower transmission case, and the flow-directing shroud is located at the periphery of the propeller, the delivery port of the mozzle
For taper, the receipts mouth of a river of the mozzle has taper flooding angle；The hydraulic pressure mozzle propeller with it is described support bracket fastened
Hinged support is located on the upper gear box；The hydraulic pressure mozzle propeller and the hinge for pushing up the expansion link for stretching hydraulic jack
Fulcrum is connect also to be located on the upper gear box.
2. the Multifunctional rinsing boat that topside installation hydraulic pressure mozzle propeller according to claim 1 promotes, its feature exist
Between the taper of, the mozzle delivery port is 12 ° to 18 °.
3. the Multifunctional rinsing boat that topside installation hydraulic pressure mozzle propeller according to claim 2 promotes, its feature exist
In the taper of the mozzle delivery port is 14 °.
4. the Multifunctional rinsing boat that the topside installation hydraulic pressure mozzle propeller according to Claims 2 or 3 promotes, its feature
It is, between the angle of the taper flooding angle is 20 ° to 25 °.
5. the Multifunctional rinsing boat that topside installation hydraulic pressure mozzle propeller according to claim 4 promotes, its feature exist
In the angle of the taper flooding angle is 23 °.
6. the Multifunctional rinsing boat that the topside installation hydraulic pressure mozzle propeller according to claim 1 or 3 or 4 promotes, its
It is characterised by, one piece of water squeezing plate is provided with above the mozzle, and going out in the mozzle is stretched in one end of the water squeezing plate
The front at the mouth of a river.
7. the Multifunctional rinsing boat that topside installation hydraulic pressure mozzle propeller according to claim 6 promotes, its feature exist
In, be mounted with the driver's cabin at the hull stem manipulate propulsion plant electro-hydraulic remote control system, the operation of driver's cabin
Have on panel and control electric knob, the electric knob of the control is moved to ratio to the electromagnetic liquid for starting the hydraulic motor action
Valve is operated, and the propeller is carried out fast microrunning, is shut down and rotating.
8. the Multifunctional rinsing boat that the topside installation hydraulic pressure mozzle propeller according to claim 1 or 7 promotes, its feature
It is, collection device, holding bay and discharge compartment, the collection device is sequentially provided with stem to the deck of ship stern of the hull
Mainly the collection rake by conveyer belt assembly and positioned at the conveyer belt assembly front end and cutting wheel form；The stem first of the hull
A movable support frame is installed with plate, the rear end of the conveyer belt assembly is hinged on the movable support frame, the conveying
Both sides with assembly are each provided with a hoist cylinder, and the cylinder body of the hoist cylinder is hinged on the stem deck of the hull
On, the expansion link of the hoist cylinder is hinged on the conveyer belt assembly.
9. the Multifunctional rinsing boat that topside installation hydraulic pressure mozzle propeller according to claim 8 promotes, its feature exist
In the both sides of the discharge compartment are respectively arranged a lifting oil cylinder, and the cylinder body of the lifting oil cylinder is hinged on the ship of the hull
On after-deck, the expansion link of the lifting oil cylinder is hinged on the discharge compartment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610580508.2A CN107640295A (en) | 2016-07-22 | 2016-07-22 | The Multifunctional rinsing boat that topside installation hydraulic pressure mozzle propeller promotes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610580508.2A CN107640295A (en) | 2016-07-22 | 2016-07-22 | The Multifunctional rinsing boat that topside installation hydraulic pressure mozzle propeller promotes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107640295A true CN107640295A (en) | 2018-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610580508.2A Pending CN107640295A (en) | 2016-07-22 | 2016-07-22 | The Multifunctional rinsing boat that topside installation hydraulic pressure mozzle propeller promotes |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108515958A (en) * | 2018-03-31 | 2018-09-11 | 上海析易船舶技术有限公司 | Paddlewheel propulsion aircushion vehicle |
| CN108909999A (en) * | 2018-08-03 | 2018-11-30 | 苏州飞驰环保科技股份有限公司 | A kind of propeller set directly driven using hydraulic motor |
| CN110588912A (en) * | 2019-09-27 | 2019-12-20 | 唐旭明 | Ship body auxiliary mechanism for reducing ship body draft |
| CN111268049A (en) * | 2020-04-14 | 2020-06-12 | 义乌哒林船舶有限公司 | Auxiliary ship shore-approaching device |
| CN114604405A (en) * | 2022-02-24 | 2022-06-10 | 中国人民解放军海军工程大学 | Retracting and releasing device of shaftless auxiliary propeller |
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| CN2346691Y (en) * | 1998-10-28 | 1999-11-03 | 张桂强 | Double-rudder, four-propeller boat |
| CN103661899A (en) * | 2013-11-29 | 2014-03-26 | 张家港市飞驰机械制造有限公司 | Fast reversing device of twin-screw ship |
| CN104309774A (en) * | 2014-09-25 | 2015-01-28 | 张家港市海丰水面环保机械有限公司 | Full-automatic floating object cleaning boat for large objects of moso bamboos and trees |
| CN104354839A (en) * | 2014-10-10 | 2015-02-18 | 张家港市恒源水利环保机械研究所 | All-rotation hydraulic drive type multifunctional cleaning ship |
| CN105398558A (en) * | 2015-11-06 | 2016-03-16 | 中国船舶重工集团公司第七○二研究所 | Variable ducted propeller |
| CN205872394U (en) * | 2016-07-22 | 2017-01-11 | 张家港市海丰水面环保机械有限公司 | Propulsive multi -functional clear cleaning float -garbage ship of side of a ship side -mounting hydraulic pressure honeycomb duct screw |
-
2016
- 2016-07-22 CN CN201610580508.2A patent/CN107640295A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2346691Y (en) * | 1998-10-28 | 1999-11-03 | 张桂强 | Double-rudder, four-propeller boat |
| CN103661899A (en) * | 2013-11-29 | 2014-03-26 | 张家港市飞驰机械制造有限公司 | Fast reversing device of twin-screw ship |
| CN104309774A (en) * | 2014-09-25 | 2015-01-28 | 张家港市海丰水面环保机械有限公司 | Full-automatic floating object cleaning boat for large objects of moso bamboos and trees |
| CN104354839A (en) * | 2014-10-10 | 2015-02-18 | 张家港市恒源水利环保机械研究所 | All-rotation hydraulic drive type multifunctional cleaning ship |
| CN105398558A (en) * | 2015-11-06 | 2016-03-16 | 中国船舶重工集团公司第七○二研究所 | Variable ducted propeller |
| CN205872394U (en) * | 2016-07-22 | 2017-01-11 | 张家港市海丰水面环保机械有限公司 | Propulsive multi -functional clear cleaning float -garbage ship of side of a ship side -mounting hydraulic pressure honeycomb duct screw |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108515958A (en) * | 2018-03-31 | 2018-09-11 | 上海析易船舶技术有限公司 | Paddlewheel propulsion aircushion vehicle |
| CN108909999A (en) * | 2018-08-03 | 2018-11-30 | 苏州飞驰环保科技股份有限公司 | A kind of propeller set directly driven using hydraulic motor |
| CN110588912A (en) * | 2019-09-27 | 2019-12-20 | 唐旭明 | Ship body auxiliary mechanism for reducing ship body draft |
| CN111268049A (en) * | 2020-04-14 | 2020-06-12 | 义乌哒林船舶有限公司 | Auxiliary ship shore-approaching device |
| CN114604405A (en) * | 2022-02-24 | 2022-06-10 | 中国人民解放军海军工程大学 | Retracting and releasing device of shaftless auxiliary propeller |
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