CN107054598A

CN107054598A - The method of recoverable propeller, Swimming boat and the propeller for withdrawing and ejecting recoverable propeller

Info

Publication number: CN107054598A
Application number: CN201611028593.8A
Authority: CN
Inventors: 卡尔·埃米尔·阿维德·拉姆斯特; 伊尔卡·埃里克·维尔曼
Original assignee: Rolls Royce PLC
Current assignee: Rolls Royce PLC
Priority date: 2015-11-20
Filing date: 2016-11-18
Publication date: 2017-08-18
Also published as: CA2949013A1; RU2016145257A; US20170144739A1; WO2017085356A1; KR20170059404A; EP3170736A1

Abstract

The invention discloses a kind of recoverable propeller for Swimming boat, wherein this recoverable propeller includes propeller and lowering or hoisting gear.Lowering or hoisting gear is configured to make propeller vertically move between retrieving position and ejected position.In retrieving position, propeller is substantially inside the bottom well of Swimming boat, and in ejected position, and propeller is substantially in the outside of bottom well.Recoverable propeller includes infiltration protective element, and it is configured to be positioned inside the well of bottom and be configured to above propeller as propeller is vertically moved.In ejected position, infiltration protective element is configured to substantially prevent that dissipate ice is drifted about by the protective element that seeps water inside the well of bottom, and when propeller is moved to ejected position from retrieving position, infiltration protective element is configured to ice releasing bottom well.

Description

Recoverable propeller, Swimming boat and the spiral shell for withdrawing and ejecting recoverable propeller Revolve the method for oar

Technical field

Recoverable propeller is set to can be used for Swimming boat, such as in ship, offshore vessel, fishing boat, naval ship, luxurious In passenger steamer, oil tanker, towboat, ferryboat or similar application.

Background technology

Recoverable propeller is often used as the auxiliary propulsion for Swimming boat.For example, in naval ship, it is recoverable to push away Enter device and may be used to provide extra-push model or the so-called feature that takes home.

Recoverable propeller enables propeller to be recovered in the bottom well of the hull of Swimming boat.When propeller is not in use And when being retracted, reduce the dragging of Swimming boat.In addition, recoverable propeller can be received when Swimming boat enters shallow water Return.

Under ice condition, when the propeller of recoverable propeller is located in its extreme lower position, there is scattered ice with due to ice The impossible this mode of withdrawal of obstruction lifting operation and propeller fills the risk of bottom well.

The content of the invention

According to first aspect, there is provided for the recoverable propeller for Swimming boat.Recoverable propeller includes propeller With lowering or hoisting gear.Lowering or hoisting gear is configured to make propeller move along vertical direction between retrieving position and ejected position. In retrieving position, propeller is substantially inside the bottom well of Swimming boat, and in ejected position, propeller is substantially in Di Jing Outside.In addition, recoverable propeller includes infiltration protective element, it is configured to be positioned above propeller inside the well of bottom simultaneously And be configured to as propeller is vertically moved.In ejected position, infiltration protective element is configured to substantially prevent that dissipating ice wears The inside of infiltration protective element well on earth is crossed, and when propeller is moved to ejected position from retrieving position, seep water protective element Part is configured to ice releasing bottom well.Thus, infiltration protective element prevents the obstruction and ice by dissipating the lowering or hoisting gear that ice is caused It may be frozen in inside the well of bottom." substantially in the inside of bottom well " means when propeller is in its retrieving position, propeller Greater part in the inside of bottom well rather than the outside of bottom well." substantially in the outside of bottom well " means when propeller is located at it When in ejected position, the major part of propeller is in the outside of bottom well or propeller fully in outside." substantially prevent from dissipating Ice drifts about inside the well of bottom " mean to allow the only fraction of ice or substantially ice cube passes over or through infiltration protective element Into bottom well.

According to second aspect, there is provided the recoverable propeller for Swimming boat.Recoverable propeller include propeller with Lowering or hoisting gear.Lowering or hoisting gear is configured to make propeller move along vertical direction between retrieving position and ejected position.Receiving During return is put, the inside of the bottom well of propeller substantially Swimming boat, and in ejected position, propeller is substantially in bottom well It is outside.In addition, recoverable propeller include infiltration protective element, its be configured to be positioned above propeller inside the well of bottom and It is configured to as propeller is vertically moved.In ejected position, infiltration protective element is configured to substantially cover the water of bottom well Side opening, and when propeller is moved to ejected position from retrieving position, infiltration protective element is configured to ice releasing bottom well. Thus, infiltration protective element prevents scattered ice to be drifted about by the protective element that seeps water inside the well of bottom and prevents what is caused by dissipating ice Lowering or hoisting gear is blocked.

According to the third aspect, there is provided the recoverable propeller for Swimming boat.Recoverable propeller include propeller with Lowering or hoisting gear.Lowering or hoisting gear is configured to make propeller move along vertical direction between retrieving position and ejected position.Receiving During return is put, propeller is substantially inside the bottom well of Swimming boat, and in ejected position, and propeller is substantially in bottom well It is outside.In addition, recoverable propeller includes infiltration protective element, it is configured to position above propeller inside the well of bottom and structure Make as propeller is vertically moved.In ejected position, infiltration protective element is configured to anti-stagnant ice and passes through the protective element that seeps water Part enters bottom well.Thus, infiltration protective element is prevented by dissipating blocking for the lowering or hoisting gear that ice is caused.

According to fourth aspect, there is provided the recoverable propeller for Swimming boat.Recoverable propeller includes mobile support Structure, propeller and lowering or hoisting gear below moving support structure.Lowering or hoisting gear is configured to make propeller support with mobile Structure is moved along vertical direction between retrieving position and ejected position.In retrieving position, propeller is substantially in swimming Inside the bottom well of ship, and in ejected position, propeller is substantially in the outside of bottom well.In addition, recoverable propeller includes Seep water protective element, and it is configured to be positioned inside the well of bottom and be configured to spiral shell between propeller and moving support structure Rotation oar is vertically moved.In ejected position, infiltration protective element is configured to substantially prevent that dissipating ice passes through the protective element that seeps water Drifted about inside the well of bottom, and when propeller is moved to ejected position from retrieving position, infiltration protective element is configured to ice Release bottom well.Thus, infiltration protective element is prevented by dissipating blocking for the lowering or hoisting gear that ice is caused.

In one embodiment, in ejected position, infiltration protective element is located at the lower end of bottom well.In an embodiment party In formula, in ejected position, infiltration protective element is adjacent to the lower end of bottom well.Have the technical effect that infiltration protective element prevents scattered ice Or ice cube enters bottom well by the protective element that seeps water." neighbouring lower end " can represent to seep water protective element towards bottom well spacing from The position of water side opening about 200mm maximum distance apart.

In one embodiment, in ejected position, infiltration protective element substantially covers the water side opening of bottom well. In one embodiment, in ejected position, ice is prevented to enter in the well of bottom in the subregion of water side opening, the part Region is at least the 95% of the region of the water side opening of bottom well.Have the technical effect that the possibility area of infiltration protective element limitation opening Domain so that without or allow only the fraction of ice or substantially ice cube pass over or through infiltration protective element enter bottom well. " substantially covering water side opening " can represent, together with the structure of lowering or hoisting gear, and infiltration protective element covers the face of water side opening Long-pending at least about 95%.

In one embodiment, infiltration protective element includes at least one perforated plate.Have the technical effect that when propeller is received When returning or ejecting, it is allowed to which water passes through the hole in perforated plate, thus reducing the resistance of water and reducing makes propeller along perpendicular Nogata is to mobile required power.

In one embodiment, infiltration protective element includes at least one removable plate part.In an embodiment In, infiltration protective element includes at least two removable plate parts.Have the technical effect that the assembling of recoverable propeller and can receive The maintenance for returning propeller is easier, because at least one in plate part can be removed, and can check dismountable plate portion Point, the part of recoverable propeller inside Di Jing and bottom well.

In one embodiment, infiltration protective element includes net.Have the technical effect that when propeller is withdrawn or is ejected, permit Xu Shui passes through net, and thus reducing the resistance of water and reducing makes propeller move required power along vertical direction.

In one embodiment, infiltration protective element includes the combination of perforated plate and net.Have the technical effect that when net is installed When in the large hole of perforated plate, without the need for smaller hole, hence improve manufacturability, and net only allow in addition it is very small Ice cube through infiltration protective element.In addition, when the protective element that seeps water includes most of plate rather than net, with being manufactured completely by net Infiltration protective element compare, the rigidity of this structure can be improved.

In one embodiment, infiltration protective element includes the combination of tubular construction and net.Have the technical effect that when by hollow When pipe is made, compared with metallic plate, the structure of this water infiltration protective element can be lighter.

In one embodiment, infiltration protective element includes supporting construction and the combination of net.Have the technical effect that support knot Structure improves the rigidity of infiltration protective element.

In one embodiment, lowering or hoisting gear includes the fixed support structure with induction element and introduction hole.In addition, Lowering or hoisting gear includes being configured to the non-pivoted pipe by introduction hole, wherein, the lower end of non-pivoted pipe is configured to connect to propeller, Propeller is slidingly coupled to induction element and propeller is vertically moved.In addition, lowering or hoisting gear bag Actuator devices are included, it is configured to be connected between non-pivoted pipe and bottom well so that when propeller is moved to retrieving position, caused Dynamic device device is configured to substantially lift propeller inside well on earth in induction element internal slide by making non-pivoted pipe, and And correspondingly when propeller is moved to ejected position, actuator devices are configured to by making non-pivoted pipe inside induction element Propeller is substantially reduced to outside the well of bottom by slip.In one embodiment, induction element is bearing.In an embodiment party In formula, non-pivoted pipe is guiding bar.Have the technical effect that recoverable propeller can be arranged on appropriate position by fixed support structure The place of putting and can be controlled by reliable fashion pass through lowering or hoisting gear lifted or reduction propeller.

In one embodiment, lowering or hoisting gear includes at least two hydraulic cylinders.In one embodiment, actuator is filled Put including at least two hydraulic cylinders.In one embodiment, each hydraulic cylinder include piston, this piston be it is hollow, with Hydraulic fluid connection line is allowed to be connected at least two hydraulic cylinders so as to the position being arranged into inside the bottom well that water can not be contacted. Have the technical effect that, because hydraulic cylinder shares the load of propeller, therefore the liter of propeller can be reliably achieved by hydraulic cylinder Drop, thus balance lifting operation.In addition, hydraulic cylinder normally performs reliable rectilinear movement, under the conditions of difficult circumstances.

In one embodiment, lowering or hoisting gear includes manual lifting mechanism.

In one embodiment, lowering or hoisting gear includes the moving support structure fixed to non-pivoted pipe, wherein, each liquid The piston of cylinder pressure is all configured to be connected to non-pivoted pipe, and the cylinder shell structure of each hydraulic cylinder via moving support structure Make to be connected to bottom well.Technique effect can be by being connected to the piston of moving support structure stably moving propeller, and And the cylinder shell of each hydraulic cylinder can be fixed to bottom well in position, so that the motive force of piston can be reliable.

In one embodiment, recoverable propeller includes at least one retainer, and it is configured to make propeller to bullet The mobile stopping of out position.In one embodiment, at least one retainer is in fixed support structure and moving support structure Between be connected to fixed support structure.Have the technical effect that propeller can be stopped at smoothly in ejected position, and retainer Prevent moving support structure from being strongly collided with against fixed support structure.

In one embodiment, infiltration protective element is configured to prevent the stifled of the lowering or hoisting gear for freezing to cause by dissipating ice Plug.Having the technical effect that can also be such that propeller is moved along vertical direction in the situation of ice.

In one embodiment, propeller is configured to pivotable 360 degree of the vertical axis around recoverable propeller. In one embodiment, recoverable propeller is azimuth thruster.The pivotable feature of azimuth thruster has the technical effect that it So that rudder for ship is non-essential and provides more preferable operation to recoverable propeller compared with rudder for ship system with fixed propeller Property.

According to the 5th aspect, there is provided the side of the propeller for withdrawing and ejecting the recoverable propeller for Swimming boat Method, wherein being withdrawn by below step with ejecting propeller：

Infiltration protective element is connected to recoverable propeller inside the bottom well of Swimming boat, above propeller；

- when propeller is in ejected position, prevent from dissipating ice through infiltration protective element on earth by the protective element that seeps water The inside of well；

- when propeller is moved to ejected position from retrieving position, ice is released into bottom well.

According to the 6th aspect there is provided Swimming boat, it includes bottom well, recoverable propeller and power supply group, the power supply group For supply electric power so that the propeller of recoverable propeller is moved along vertical direction.Recoverable propeller include propeller, The lowering or hoisting gear for making propeller be moved along vertical direction between retrieving position and ejected position is configured to, wherein, withdrawing In position, propeller is substantially inside the well of bottom, and in ejected position, and propeller is substantially outside the well of bottom.In addition, can Withdrawing propeller includes infiltration protective element, and it is positioned inside the well of bottom above propeller and is configured to as propeller is perpendicular It is directly mobile.In ejected position, infiltration protective element is configured to substantially prevent from dissipating ice by the protective element that seeps water in Di Jing Inside drift, and when recoverable propeller is moved to ejected position from retrieving position, infiltration protective element is configured to ice Release bottom well.

According to the 7th aspect there is provided Swimming boat, it include bottom well, the recoverable propeller according to first aspect and Power supply group, the power supply group is used for supply electric power so that the propeller of recoverable propeller is moved along vertical direction.

In an embodiment of Swimming boat, the vertical axis that propeller is configured to surround recoverable propeller is pivotable 360 degree.In an embodiment of Swimming boat, recoverable propeller is azimuth thruster.The pivotable spy of azimuth thruster That levies has the technical effect that it so that rudder for ship is non-essential, and is provided with fixed propeller compared with rudder for ship system to Swimming boat More preferable operability.

Propeller described herein has multiple advantages.Infiltration protective element allows to transport in ice or in extremely cold condition. When propeller is in ejected position, by substantially preventing from dissipating ice by the protective element that seeps water into bottom well, seep water protective element The structure of part can prevent blocking for the movement of recoverable propeller.This can also prevent by ice block that lowering or hoisting gear causes can The undesirable of propeller is withdrawn to close down.Infiltration protective element can also stop many other type of object in water, such as sink Other waste materials of the structure of wood and the recoverable propeller that may be damaged inside the well of bottom.

The simple and firm construction of recoverable propeller also provides high operating reliability under ice condition.Can The mechanism for withdrawing propeller is simple, and this can bring the saving of maintenance cost.This construction be it is firm and can will greatly Ice cube releases bottom well.In an embodiment of recoverable propeller, hydraulic pressure provides to be lifted reliably and safely The size of power required for propeller.In the hydraulic pressure solution of lowering or hoisting gear, the hydraulic pressure with appropriate valve can be assembled System ensures the system of lowering or hoisting gear to resist possible overload or event of failure.Because propeller is weighed very much, therefore hydraulic pressure The installation that valve provides propeller to ejected position declines.

In azimuth thruster, propeller pivots 360 ° around vertical axis so that unit is under conditions of ice There is provided to propeller and promote, turn to and positioning.Needed to develop the design of recoverable propeller according to market, it is possible thereby to This design of adjustment propeller is suitable for a variety of application types.Simple and solid construction provide high operating reliability together with It is simple to safeguard.

In one embodiment, the structure of recoverable propeller makes it possible to by removing infiltration protective element at least A part checks recoverable propeller.This is characterized in favourable, because it causes recoverable propeller to safeguard that easily this can To provide cost savings.

Recoverable propeller does not have can be in any part outside the well of bottom, thus except spiral in addition to propeller Beyond oar, the part outside the well of bottom can not over time be damaged or worn out and may need by new portion Replace.For example, space and increasing of the external structure requirement on the outside of bottom well for limiting ice cube below the hull of Swimming boat Plus hull drift and for hit be sensitive.These external structures have against at the bottom of the water body of such as rock Underwater obstacle collision risk.These external structures, which can reduce ship or ship, needs the minimum depth of safe navigation. In addition, the external structure of these types may collect substantial amounts of waste material or other barriers from the water of process and may need Periodic cleaning.

Embodiment described herein can be used in any combinations with being bonded to each other.Embodiment kind several or At least two can be combined together to form another embodiment.Method or apparatus can include above-described embodiment party At least one in formula.

It should be understood that unless they are clearly set fourth as excluding alternative, otherwise appointing in embodiment above or modification One can be applied to the corresponding aspect that they are related to individually or in combination.

Brief description of the drawings

The accompanying drawing for being included to provide the part for further understanding and constituting this specification shows multiple embodiment party Formula, and help explain together with explanation the principle of embodiment.In the accompanying drawings：

Figure 1A is the side view of the embodiment for the recoverable propeller being in ejected position；

Figure 1B is the front view of the embodiment for the recoverable propeller being in ejected position；

Fig. 2 is the view of the embodiment of infiltration protective element；

Fig. 3 A are the viewgraph of cross-section V-V of the embodiment of Figure 1A recoverable propeller；

Fig. 3 B are the viewgraph of cross-section VI-VI of the embodiment of Fig. 3 A recoverable propeller, wherein recoverable propeller In ejected position.

Fig. 3 C are the viewgraph of cross-section of the embodiment of Fig. 3 B recoverable propeller, are received wherein recoverable propeller is in During return is put；

Fig. 4 A are the views of the embodiment for the recoverable propeller being in ejected position；And

Fig. 4 B are such as from the embodiment of the following recoverable propeller in ejected position obliquely seen.

Fig. 4 C are the simplification profiles of the embodiment of the recoverable propeller for Fig. 4 A being in ejected position.

Fig. 4 D are the detail views of Fig. 4 A recoverable propeller.

Fig. 4 E are another detail views of Fig. 4 A recoverable propeller.

Fig. 5 is the viewgraph of cross-section IV-IV of the embodiment of Figure 1A recoverable propeller；

Fig. 6 is the viewgraph of cross-section VII-VII of the embodiment of Figure 1A recoverable propeller；

Fig. 7 A are the part sectioned views of the embodiment for the recoverable propeller being in ejected position；

Fig. 7 B are the part sectioned views of the embodiment of the recoverable propeller for Fig. 7 A being in retrieving position；

Fig. 8 is another view of infiltration protective element；

Fig. 9 is another view of infiltration protective element；

Figure 10 is another view of infiltration protective element；And

Figure 11 is another view of infiltration protective element.

Embodiment

Embodiment is reference will now be made in detail to now, the example is shown in the drawings.

Recoverable propeller is that the one kind that can substantially be recovered to inside the hull of Swimming boat of propeller of propeller is pushed away Enter device.In one embodiment, recoverable propeller may be adapted to by the horizontal drive of automatic drive shaft disconnecting system or Person is suitable to vertical driving.In one embodiment, pressing on the bridge of Swimming boat can for example be passed through by remote control system Button activates the lifting of propeller.In one embodiment, the engagement for the drive shaft connector of recoverable propeller can be with It is automatic.

Figure 1A is the side view of the embodiment for the recoverable propeller being in ejected position.Figure 1B is in ejection position The front view of the embodiment of recoverable propeller in putting.Recoverable propeller includes propeller 3, and the propeller is included in Lower gear 301 inside lower gear housing 302.As well known for the technical staff in the art, spiral is not described in detail here The detailed operation of oar 3.

Recoverable propeller includes being configured to along vertical direction moving propeller 3 between retrieving position and ejected position Lowering or hoisting gear 4.Retrieving position is described in more detail referring for example to Fig. 3 C below.In ejected position, propeller 3 is basic On in the outside of bottom well 5, such as shown in Figures 1 A and 1 B 1 fully in the outside of bottom well 5.Bottom well 5 is positioned at Swimming boat The bottom of 2 hull 6.

Infiltration protective element 7 is connected to recoverable propeller in propeller 3 and its top of lower gear housing 302.In Figure 1A In Figure 1B embodiment, infiltration protective element 7 includes at least one perforated plate.Infiltration protective element in Figure 1A and Figure 1B Part 7 as two parts of the first perforated plate 71 and the second perforated plate 72 by forming.When propeller 3 is vertically moved, perforation Plate 71,72 is lifted with declining by propeller 3.In ejected position, infiltration protective element 7 is adjacent to the lower end 9 of bottom well 5.For example, In ejected position, infiltration protective element 7 can in the maximum distance apart towards the about 200mm of inner distance lower end 9 of bottom well 5 or Person is exactly in the height of lower end 9.When recoverable propeller be located at ejected position in when, perforated plate 71,72 adjacent to lower end 9, Dissipating ice in this case can not be drifted about by the protective element 7 that seeps water inside bottom well 5.Thus when propeller 3 is located at ejected position When middle, infiltration protective element 7 substantially prevent ice and be entered by the protective element 7 that seeps water in bottom well 5.This can pass through perforated plate 71st, the position of 72 structure and perforated plate 71,72 in recoverable propeller is realized.

Fig. 2 is the explanation of the embodiment of infiltration protective element 7.Fig. 2 shows the infiltration protective element 7 from top.Fig. 2 Show that the region A1 of the water side opening 8 of bottom well 5 major part is substantially covered by infiltration perforated plate 7.Infiltration protective element 7 exists Mid-split is into the part as perforated plate 71,72.Perforated plate 71,72 can be made of metal.First perforated plate 71 includes the One opening 25a and the second perforated plate 72 include the second opening 25b, are designed as the actuator devices slot milling of lowering or hoisting gear, This makes the rectilinear movement feed force that actuator devices are recoverable propeller.Because be open 25a, 25b shape, perforated plate 71, 72 surface is similar with like shell shaped.Actuator devices can include such as cylinder body and need structure for installing cylinder body or Support.Illustrate cylinder body referring to Fig. 3 B, Fig. 3 C, Fig. 4 A and Fig. 4 B.

The protective element 7 that seeps water includes multiple holes 23, and the size and quantity in hole are determined according to the size of recoverable propeller.Bottom The size of well 5 influences the size and quantity in hole 23 with the water in bottom well 5.The size in hole is with quantity also to being withdrawn when propeller 3 When the power that needs there is influence, and there is influence on the ejection speed of propeller 3.The purpose in hole 23 is when propeller is withdrawn Water is allowed to pass through hole 23.When propeller is withdrawn, a small amount of water is also pushed through between infiltration protective element 7 and bottom well 5 Gap 30.

When propeller 3 is in ejected position, basically by actuator devices covering opening 25a, 25b, such as cylinder body With the structure or support for needing to be used to install cylinder body.When withdrawing with ejection propeller, cylinder body is in the inside of opening 25a, 25b. When propeller 3 is located in ejected position, a cylinder body and its mounting portion are fitted in inside each opening 25a, 25b.Due to The protective element 7 that seeped water in ejected position substantially covers water side opening 8, therefore prevents the ice cube more than maximum hole 32 to pass through Infiltration protective element 7 enters bottom well 5 and the ice cube more than maximum hole 32 is forced to rest on the lower section of infiltration protective element 7. The diameter D2 of infiltration protective element 7 can be so big so that the region A1 of the infiltration covering water of protective element 7 side opening 8 is at least 95%.

Show that the attachment of infiltration protective element 7 connects by the dotted line around the introducing opening 26 for the protective element 7 that seeps water The hole pattern of mouth 31.Attachment interface 31 is used for the support that the protective element 7 that seeps water is connected to the structure of recoverable propeller.Because Perforated plate 71,72 is detachable, therefore because one or two in perforated plate 71,72 can be torn open in maintenance or inspection Remove, they improve the maintenance of recoverable propeller.Because the installation of heavy infiltration protective element 7 can be entered with two stages OK, thus infiltration protective element 7 installation be also easier.

Fig. 3 A are the viewgraph of cross-section V-V of the embodiment of Figure 1A recoverable propeller.Fig. 3 A are shown from top can Withdraw propeller and the otch VI-VI shown in figure 3b position.Fig. 3 B are the embodiment party of Fig. 3 A recoverable propeller The viewgraph of cross-section VI-VI of formula, wherein recoverable propeller is in ejected position.Fig. 3 C are Fig. 3 B recoverable propellers The viewgraph of cross-section of embodiment, wherein recoverable propeller is in retrieving position.

Fig. 3 B and Fig. 3 C show that infiltration protective element 7 substantially prevent scattered when propeller 3 is located in ejected position Ice oozes by inside of the protective element 7 by bottom well 5 of seeping water, and when propeller 3 is moved to ejected position from retrieving position Ice is released bottom well 5 by water protective element 7.

The structure of recoverable propeller makes it possible to use recoverable propeller under ice condition.Infiltration protective element 7 is protected River bottom protection well 5 away from ice, thus, it is possible to not disturb in ice or prevent recovery operation in the case of withdraw propeller 3.This solution Scattered ice is prevented for good and all to accumulate in the vertically movable such a mode for blocking propeller 3 inside bottom well 5.In the situation of ice Under, when propeller 3 is located in ejected position, there is the risk that scattered ice for good and all fills bottom well 5, thus received because ice blocks / lifting operation is returned, the withdrawal of propeller 3 is impossible.

Lowering or hoisting gear 4 includes fixed support structure 11, and fixed support structure is for example, at least partially positioned inside bottom well 5 And including induction element 12.In addition, lowering or hoisting gear 4 includes being used to propeller 3 being slidably connected to induction element 12 Non-pivoted pipe 13 and the actuator devices 17 being connected between non-pivoted pipe 13 and bottom well 5.Non-pivoted pipe 13 is supported through fixed Introduction hole in structure 11.The introduction hole 35 is shown in figure 4b.Non-pivoted pipe 13 is connected to propeller 3 so that propeller 3 Can vertically it move.When propeller 3 is moved to retrieving position, actuator devices 17 are by making non-pivoted pipe 13 in guiding element The internal slide of part 12 and propeller 3 is substantially lifted inside well 5 on earth.Correspondingly, when propeller 3 is moved to ejected position When, actuator devices 17 are configured to by making non-pivoted pipe 13 substantially drop propeller 3 in the internal slide of induction element 12 It is low outside the well of bottom.

Actuator devices 17 for example can be two hydraulic cylinders 14a, 14b.Because hydraulic cylinder 14a, 14b share propeller 3 Load, the lifting of propeller 3 can be reliably achieved by hydraulic cylinder 14a, 14b, thus balance lifting operate.Due to spiral Oar 3 is weighed very much, and hydraulic cylinder 14a, 14b allow to stably to keep propeller 3 and be connected to the part of propeller 3 so that can In the course of normal operation for withdrawing propeller, the possibility of the obstruction without the lifting operation caused by heavy load.In Fig. 3 B With first hydraulic cylinder 14a is shown in Fig. 3 C and second hydraulic cylinder can be positioned on first hydraulic cylinder 14a opposite side.This Show hydraulic cylinder 14a, 14b on mutual position in fig. ib outside.As shown in Figure 1B, each hydraulic cylinder 14a, 14b All include cylinder shell 16a, 16b and piston 19a, 19b.As shown in Fig. 3 B and Fig. 3 C, piston 16a, 16b can be hollow 's.

Lowering or hoisting gear 4 includes the moving support structure 15 fixed to non-pivoted pipe 13.Moving support structure 15 can be such as It is welded to non-pivoted pipe 13 or non-pivoted pipe 13 is removably attached to by the annex of screw or similar type.Each hydraulic pressure Cylinder 14a, 14b piston 19a, 19b are connected to non-pivoted pipe 13 via moving support structure 15.Each piston 14a, 14b The fixation flange 36 for being used to being connected to piston 14a, 14b into moving support structure 15 can be included.In moving support structure 15 There is piston 19a, a 19b on both sides and manipulated with allowing to carry out stable and reliable lifting.Cylinder shell 16a, 16b are attached Well 5 and thus holding fixation on earth.

Swimming boat, which can include power supply group 20, to be used to supply energy to make propeller 3 move along vertical direction.Power supply Group 20 is used to supply hydraulic fluid to hydraulic cylinder 14a, 14b.Two hydraulic fluid connection lines may be needed, by power supply group 20 are connected to hydraulic cylinder 14a, 14b, or can use a main hydraulic connection, its entrance in hydraulic cylinder 14a, 14b It is divided into two hydraulic fluid connection lines near 40a, 40b.One hydraulic fluid connection line 54 can be arranged for each cylinder Body 14a, 14b.It show in phantom in figure 3b and be connected internally to the first of first hydraulic cylinder 14a via the hollow of piston 19a The hydraulic fluid connection line 54 of room 21 inside cylinder shell 16a.Hydraulic fluid connection line 54 may be coupled to construction and exist Entrance 40a, 40b in moving support structure 15.One entrance 40a, 40b may be arranged to be used in hydraulic cylinder 14a, 14b It is each.Entrance 40a, 40b are arranged into piston 14a, 14b inside by moving support structure 15.Entrance 40a, 40b can lead to Cross appropriate be connected and arrive hydraulic fluid connection line 54.Entrance 40a, 40b be used for supply hydraulic fluid to hydraulic cylinder 14a, Inside 14b.

When assembling recoverable propeller, air may be trapped in hydraulic circuit.After start up, by air from hydraulic pressure It is probably important that loop, which is removed,.If the air being detained is not removed, it will be mixed with hydraulic fluid, because air is to press Contracting, this may cause failure.This exhaust fitting 53 that can be connected to room 21 by arrangement is prevented.Exhaust fitting 53 can For example to pass through plunger seal in course of normal operation.When the discharge for needing to realize air, plunger is removed or unclamped, So that air is removed from cylinder body 14a, 14b.Exhaust fitting 53 can be arranged in moving support structure 15, wherein exhaust connects Fitting is connected internally to room 21 via the hollow of piston 19a, 19b.Each hydraulic cylinder 14a, 14b may be connected to an exhaust Connector 53.Due to the peak that exhaust fitting 53 may be coupled in hydraulic cylinder 14a, 14b, therefore it can effectively remove Air.

Hydraulic fluid is pumped inside hydraulic cylinder 14a, 14b from power supply group 20.Hydraulic fluid is in first piston 19a internal pumps Send and be pumped into from it in room 21.Simultaneously, hydraulic fluid is supplied inside second piston 19b.When piston 19a, 19b ejection When, by making non-pivoted pipe 13 in the internal slide of induction element 12, piston 19a, 19b are up carried together with moving support structure 15 Rise propeller 3.Water inside bottom well 5 flows through the hole in infiltration protective element 7.Thus, allow to spiral shell by lifting force F Revolve the lifting of oar 3 and arrive retrieving position.The stroke L of recoverable propeller is shown in fig. 3 c.

In retrieving position, it is allowed to dissipate ice and enter bottom well 5.When pushing away propeller 3 and being moved to ejected position from retrieving position, Ice is pushed to outside bottom well 5 by infiltration protective element 7.In the embodiment of recoverable propeller in Fig. 3 B and Fig. 3 C, liquid Cylinder pressure body 14a, 14b are single-lift cylinder bodies.Propeller 3 passes through its own weight ejection/decline.Pass through the size of propeller 3, bottom The size of well 5, the quantity in hole 23 in perforated plate 71,72 and size and by valve whether be used to making from hydraulic cylinder 14a, The flow for the hydraulic fluid that 14b goes out throttles to determine to eject speed.

Finally, the movement of propeller 3 can be stopped by retainer 18.Recoverable propeller in Fig. 3 B and Fig. 3 B In embodiment, four retainers 18 with the upper surface 37 for being connected to fixed support structure 11.One retainer 18 is in figure It is sightless in 3B and Fig. 3 C, because the retainer is relative with the retainer 18 at the middle part positioned at fixed support structure 11.This A little retainers 18 are positioned between fixed support structure 11 and moving support structure 15, thus when propeller 3 is ejected into ejection position Make the mobile stopping of moving support structure 15 when putting.Propeller is intended to slowly move along vertical direction, thus avoid logical Crossing tends to continue after a stop that heavy load of its movement causes possible jolt or collide.Retainer 18 may, for example, be adjustable Pole, it has screw thread and can be screwed on the screw thread of fixed support structure 11.Screw thread adjustable lever is raised and lowered with Just correct stop position, such as startup stage in recoverable propeller are found.In the end of adjustable lever, it is understood that there may be Rubber, plastics or other types of elastic part.The height that adjustable lever is screwed determines the stop position of propeller 3.It is adjustable Pole can be made of metal.Another solution for retainer 18 can be that, using calibration length data buffers, it is wrapped Include gas spring and substitute adjustable lever (not shown).In this solution, it may be possible to the only cloth in fixed support structure 11 Put a larger buffer rather than four adjustable threaded rod (not shown).

The hydraulic fluid left from each hydraulic cylinder 14a, 14b inside can be limited by using hydraulic valve.According to can receive The size of pusher and propeller 3 is returned, hydraulic valve for example can be choke valve or balanced valve.The purpose of these above-mentioned valves is to ensure that Propeller 3 will not fallen in uncontrolled mode, be strongly collided with against retainer 18.Furthermore, it is possible to pass through hydraulic pressure valve regulation The amount of hydraulic cylinder 14a, 14b hydraulic fluid is supplied to from the pump in power supply group 20, to set correct lifting/withdrawal speed Degree.In a word, the purpose of hydraulic valve is control from the flow of hydraulic cylinder 14a, 14b outflow and may also be flowed into hydraulic cylinder Flow in 14a, 14b, hence improves reliability and the control of hydraulic system.

Hydraulic cylinder 14a, 14b can also be made to be equipped with integrated end buffer structure, when piston 19a, 19b are withdrawn, integrated end Buffer structure will smoothly slow down piston 19a, 19b speed.Another solution, which is used in inside cylinder shell, to be had Traditional double acting hydraulic cylinder of independent piston and the piston rod for being connected to independent piston substitutes single-lift hydraulic cylinder 14a, 14b. In this solution, double-acting cylinder body is used as single-lift cylinder body.In this solution, air must from piston rod side room, For example discharged by appropriate breather.

The position of hydraulic valve can be preferably in power supply group 20.By such a mode, hydraulic valve is protected against bottom well 5 Internal erosion case.Another solution be hydraulic valve is positioned at be connected to each hydraulic cylinder 14a, 14b entrance 40a, 40b manifold interior.Manifold may be needed to protect in this solution from corrosion.Can be with can be by using appropriate Connector is connected to hydraulic cylinder 14a, 14b with the manifold that pipeline is included within the hydraulic valve outside bottom well 5 and hydraulic fluid is connected Between power supply group 20 in circuit 54.

Another solution can be the mechanically actuated cylinder body (not shown) replacement liquid that arrangement is used to provide rectilinear movement Cylinder pressure 14a, 14b.These mechanically actuated cylinder bodies will have gear-box and motor, and in rotary moving (will not shown by gear-box Go out) it is converted into rectilinear movement.May need to be provided for motor and for other electric parts suitably protecting so as in ocean There is reliable operation in condition.

The propeller 3 of recoverable propeller in Fig. 3 C is in retrieving position.In retrieving position, propeller 3 is substantially In the inside of bottom well 5.In the embodiment of recoverable propeller, propeller can be for example approximately 85% in bottom well 5 Portion.Only a part 34 for the conical shell 33 of propeller 3 is in the outside of bottom well 5.

Another solution is fully to withdraw propeller 3 inside bottom well 5, thus allows to that propeller is completely eliminated The dragging of (not shown).In this solution, the stroke L of recoverable propeller may be needed with hydraulic cylinder 14a, 14b stroke Than longer in Fig. 3 B and Fig. 3 C, and this outer bottom well 5 may be deeper.

A kind of method for being used to withdrawing and ejecting the propeller 3 of the recoverable propeller for Swimming boat 2, can be in Fig. 3 B Performed with Fig. 3 C by following steps：

- the protective element 7 that will be seeped water inside the bottom well 5 of Swimming boat 2, above propeller 3 is connected to recoverable propeller；

- when propeller is in the ejected position according to Fig. 3 B, prevent that dissipate ice prevents through infiltration by the protective element 7 that seeps water The inside of the well 5 on earth of protection element 7；

- when propeller 3 is from when being moved to the ejected position according to Fig. 3 B according to Fig. 3 C retrieving position, protected by seeping water Ice is released bottom well 5 by element 7.

Fig. 4 A are the embodiments for the recoverable propeller being in ejected position.Fig. 4 B can from following obliquely show Withdraw propeller.Fig. 4 A and Fig. 4 B show that hydraulic cylinder 14a, a 14b pass through each opening 25a, 25b in perforated plate 71,72. Thus, first hydraulic cylinder 14a the first cylinder shell 16a passes through the first opening 25a and the second hydraulic pressure of the first perforated plate 71 Second opening 25bs of cylinder 14b the second cylinder shell 16b through the second perforated plate 72.First cylinder shell 16a is connected to first Connecting element 39a and the second cylinder shell 16b is connected to the second connecting element 39b.These connecting elements 39a, 39b is used for will Cylinder shell 16a, 16b lower end are connected to the inner surface of bottom well.Indeed, it is possible to be opened according to the design of connecting element 39a, 39b Mouth 25a, 25b shape.As seen by Fig. 3 C, Fig. 3 B and Fig. 4 B, hydraulic cylinder 14a, 14b housing 16a, 16b are through admittedly Determine supporting construction 11.Hydraulic cylinder 14a, 14b upper end can be fixed to fixed support structure 11 to improve hydraulic cylinder 14a, 14b Stability.

For example, non-pivoted pipe 13 can be rod tube, it is used as the guiding thick stick in the outer surface of rod tube with slidingsurface. Induction element 12 can include appropriate supporting and/or slidingsurface and the seal fitted in around rod tube.Induction element 12 for example can include mechanical sealing member, its enable rod tube outer surface in the internal slide of induction element 12.Fig. 4 B are shown Non-pivoted pipe 13 passes through the introduction hole 35 in fixed support structure 11.Induction element 12 is connected to drawing for fixed support structure 11 Enter around hole 35 and thus keep fixing.Moving support structure 15 is connected to the upper end of non-pivoted pipe 13.It can such as pass through Welding realizes the connection between the upper end of non-pivoted pipe 13 and moving support structure 15 by tight fit, so that they are firm Ground links together.Non-pivoted pipe 13 is fitted in inside induction element 12.When piston 19a, 19b with reciprocating manner move this During moving support structure 15, non-pivoted pipe 13 the inner vertical of induction element 12 it is mobile, thus withdraw or eject propeller 3. Fig. 4 A also show entrance 40a, 4b of each hydraulic cylinder 14a, 14b near the upper end that can be positioned at piston 19a, 19b position Put.

Recoverable propeller can include guiding bar 38a, 38b.One guiding bar 38a can be used for each hydraulic cylinder 14a, 14b.Guiding bar 38a, 38b purpose are the wall and/or top knot for the engine room inside that recoverable propeller is supported on to Swimming boat In structure.Show an example of wall and/or other attachment structures 41 to top by a dotted line in Figure 4 A.These guiding Bar 38a, 38b can be structured as passes through moving support structure 15 with the similar structure type of such as induction element 12.Each guiding bar 38a, 38b can be constructed in induction element 381a, 381b of moving support structure 15 inside.Each induction element 381a, 381b can include mechanical sealing member, so that guiding bar 38a, 38b outer surface can be in induction element 381a, 381b Slide in portion.It can be hollow tube to guide bar 38a, 38b, and it is attached to fixed support structure 11 from guiding bar 38a, 38b lower end In.

Guiding bar 38a, 38b upper end are attached to the wall and/or ceiling of cabin by other supporting constructions 41.Work as piston When 19a, 19b are moved back and forth, moving support structure 15 is slided up and down along guiding bar 38a, 38b.In the upper of guiding bar 38a, 38b At end, recoverable propeller can include the locking device 52 that recoverable propeller is locked to recoverable position.It may need This locking device 52 because there may be in hydraulic cylinder 14a, 14b or in hydraulic system internal leakage, thus such as The process of time, propeller 3 is by undesirably decline/ejection.This undesirable movement can be small, but from it is long-range come See, it may be on having undesirable influence, and especially when recoverable propeller is located in the operation of recoverable propeller When in its retrieving position being not used by for some time.

Recoverable propeller can include driving introduction passage 42.Driving force from engine or motor passes through the driving Introduction passage 42 is directed to lower gear 301.

Propeller 3 can surround 43 pivotable 360 degree of the vertical axis of recoverable propeller.Pass through the arrow 28 in Fig. 4 A Show that this is moved.Fig. 4 B show that recoverable propeller can include bearing 29, and it enables propeller 3 to surround its vertical axes Line 43 rotates.The lower end 24 that Fig. 4 B also show non-pivoted pipe 13 is connected to propeller 3.Show in figure 4b in non-pivoted pipe Second attachment interface 49 of the recoverable propeller between pivot tube 50 and propeller 3 inside 13.Pivot tube 50 is pivotly It is connected to bottom end bearing 29 so that propeller 3 can surround the pivot three-sixth turn of vertical axis 43 of recoverable propeller.It is recoverable 3rd attachment interface 51 of propeller can be between the support member 27 and non-pivoted pipe 13 of lowering or hoisting gear 4.For example referring to This 3rd attachment interface 51 is described in more detail in Fig. 4 C, Fig. 4 D and Fig. 6.

Fig. 4 C are the simplified cross-sectional views of the embodiment of the recoverable propeller for Fig. 4 A being in ejected position.Fig. 4 C show Go out non-pivoted pipe 13 in the outside of pivot tube 50 and thus serve as rod tube.Bearing 29 construct non-pivoted pipe 13 and pivot tube 50 it Between so that propeller 3 can be pivoted around vertical axis 43.By filling bearing is shown with two rectangles of netted hachure 29.Bearing 29 allows the pivot of the pivot tube 50 in the case where non-pivoted pipe 13 is not pivoted.Driving element (not shown) can be through The lower gear 301 of propeller 3 is directed to by the introduction passage 42 of pivot tube 50.Driving element be used for drive/rotating screw 3 with Realize the propulsion of recoverable propeller.

Fig. 4 D are the detail views of Fig. 4 A recoverable propeller.Fig. 4 D disclose how support member 27 is connect by the 3rd attachment Mouth 51 is connected to the lower end 24 of non-pivoted pipe 13.The 3rd attachment interface 51 is described in more detail referring for example to Fig. 6 below.Under Support member 27 is described in more detail referring for example to Fig. 5 in face.

Azimuth thruster is can to pivot the embodiment of the ocean propeller for any level angle (azimuth) so that Rudder for ship is not necessarily.Compared with fixed propeller and rudder for ship system, azimuth thruster is provided to Swimming boat and can preferably grasped Vertical property.

By making the propeller of azimuth thruster pivot 360 °, whole promotion energies may be used to manipulate Swimming boat.Can Withdraw propeller and may be adapted to different types of driving, such as diesel oil or electric drive.

Fig. 4 E are another detail views of Fig. 4 A recoverable propeller.Fig. 4 E are described for hydraulic cylinder 14a, 14b Entrance 40a, 40b an appropriate mount point.In addition, showing the position of exhaust fitting 53 in Fig. 4 E.Such as pass through figure What 4E saw, the hydraulic fluid from hydraulic fluid connection line 54 is directed to hydraulic cylinder 14a piston 19a's by entrance 40a It is internal.This is characterized in favourable, because the hydraulic connection 54 of such as hydraulic hose, pipe and/or accessory may be coupled to Moving support structure 15, so as to the water side opening part without any hydraulic pressure software, pipe and/or accessory to be arranged in well On.This feature can prevent from being connected to the corrosion of entrance 40a, 40 flexible pipe, pipe or accessory because this flexible pipe, pipe and/or Accessory can keep not contacting the water inside well.

Fig. 5 is the viewgraph of cross-section IV-IV of the embodiment of Figure 1A recoverable propeller.Fig. 5 is shown from recoverable The viewgraph of cross-section of the recoverable propeller at the top of propeller.The area A1 of the cross section of bottom well 5 is by marking A1 to indicate simultaneously And with diameter D1.The region A2 of the infiltration protective element 7 in the region including connecting element 39a, 39b is indicated simultaneously by indicating A2 And with diameter D2.Region A2 can be with the 95% of overlay area A1, or even 98-99%.Can be used to withdrawing as needed/ The gap 30 of ejection determines appropriate percentage suitably to work so that infiltration protective element 7 is appointed in movable along Inner surface at what position not with bottom well 5 is collided.Must be between the inner surface of bottom well 5 and the outward flange for the protective element 7 that seeps water Retain some gaps 30, to make infiltration protective element 7 reliably move.

Connecting element 39a, 39b can be welding support as shown in Figure 5.Welding support is soldered to the interior of bottom well 5 Surface.These welding are indicated by mark 22 in Figure 5.Welding is less sensitive to corroding, because they can be blanked.Separately A kind of attachment solution can be so that connecting element 39a, 39b to be connected to the appropriate spiral shell in bottom well 5 naturally using bolt Line.In this case, it is necessary to provide enough protections to prevent corrosion for the attachment of this bolt type.

Lowering or hoisting gear 4 can include support member 27.Support member 27 may, for example, be plate.The purpose of support member 27 is by cylinder body Housing 16a, 16b be connected to the outer surface for the lower end that non-pivoted pipe 13 is connected to each other and by cylinder shell 16a, 16b so as to Extra support is provided.Because propeller is weighed very much, therefore, this feature improves the stability in the bottom of lowering or hoisting gear 4.It is logical Cross support member 27, additionally it is possible to which the first perforated plate 71 and the second perforated plate 72 are joined together to form infiltration protective element 7.Ooze Water protective element 7 is connected to support member 27 from attachment interface 3.In figure 5, attachment interface 31 below support member 27 and by This only partially shows attachment interface 31 with dotted line.Support member 27 can be thick triangular shape plate.Each cylinder shell 16a, 16b All through the hole 44 being positioned near two of the summit like triangle in support member 27.Support member 27 is connected to non-pivot The lower end of tube 13 and thus as non-pivoted pipe 13 is moved.When infiltration protective element 7 is as propeller 3 is along vertical direction When mobile, cylinder shell 16a, 16b are used as supporting surface, enable outer surface of the support member 27 along cylinder shell 16a, 16b It is mobile.

Fig. 6 is the viewgraph of cross-section VII-VII of the embodiment of Figure 1A recoverable propeller.Fig. 6 shows that infiltration is anti- How protection element 7 is connected to the support of the structure in recoverable propeller.Support member 27 can be connected by the 3rd attachment interface 51 It is connected to the lower end 24 of non-pivoted pipe 13.In addition as seen from Fig. 4 D, the introducing opening 26 for the protective element 7 that seeps water can be than support The introducing opening 55 of part 27 has bigger diameter.This feature enables support member 27 for example to utilize the 3rd attachment by bolt Interface 51 is connected to the lower end 24 of non-pivoted pipe 13.Infiltration protective element 7 is connected to branch from attachment interface 31 in another aspect Support member 27.

Fig. 7 A are the part sectioned views of the embodiment for the recoverable propeller being in ejected position.Fig. 7 B are in receipts Return put in Fig. 7 A recoverable propeller embodiment part sectioned view.Recoverable propeller can include according to figure 7A and Fig. 7 B infiltration protective element 7a.The protective element 7a that seeps water includes the net 73a with appropriate mesh size.Netting 73a can be with It is partially fabricated by two：Off line 71a and online 72a.Net 71a, 72a can be designed as with curved shape.When net is got together When, this shape can bring greater strength for infiltration protective element 7a.Infiltration protective element 7a may be coupled to non-pivoted pipe 13 Lower end 24.The operation of recoverable propeller in accompanying drawing 7A and Fig. 7 B is similar simultaneously with the recoverable propeller in Fig. 1-Fig. 6 And it will not be described here.

Fig. 8 is infiltration protective element 7b another view.The protective element 7b that seeps water includes perforated plate 71b, 72b and net 73b combination.Each perforated plate 71b, 72b include three web frames.The protective element 7b that seeps water includes manufacture in perforated plate Several openings 23b in 71b, 72b.Net 73b is connected on the top of openings or internal, such as by welding or Screw or other appropriate annexes.In this solution, it may not be necessary to so much drilling, and thus in infiltration protective element Cost can be reduced in the fabrication stage of part 7.The infiltration protective element 7 that infiltration protective element 7b is similar in Fig. 1-Fig. 6 is connected To support member.

Fig. 9 is infiltration protective element 7c another view.The protective element 7c that seeps water includes the group of tubular construction 10 and net 73c Close.Tubular construction 10 can be manufactured by several tube portions.Infiltration protective element 7c framework can be curved by what is for example welded together Curved tube 101,102,103,104,105 is made.Framework can be welded together by pad 45 with introducing portion 46.Infiltration is anti- Protection element 7c structure can by the straight tube 106 that is connected between framework and introducing portion 46c, 107,108,109,110, 111 strengthen.Straight tube 106,107,108,109,110,111 can be connected in the hole 47 in the frame and in introducing portion 46c Portion.Straight tube 106,107,108,109,110,111 can also be welded to framework and introducing portion 46c.Non-pivoted pipe is arranged through Introducing portion 46c.Infiltration protective element 7c can be connected to the lower end of non-pivoted pipe by support member.Because pipe is hollow And the most of region for the protective element that seeps water is net 73c, therefore infiltration protective element 7c structure can make recoverable propulsion Device is lighter.

Figure 10 is infiltration protective element 7d another view.The protective element 7d that seeps water includes net 73d.Seep water protective element 7d includes supporting construction 48d and net 73d combination.Supporting construction 48d include support arm 111d, 112d, 113d, 114d, 115d, 116d, 117d, 118d and introducing portion 46d.Can by support arm 111d, 112d, 113d, 114d, 115d, 116d, 17d, 118d strengthens infiltration protective element 7d structure.Support arm 111d, 112d, 113d, 114d, 115d, 116d, 117d, 118d Such as by being welded to connect between net 73d outward flange 47d and introducing portion 46d.Support arm can for example be made up of metallic plate. They can also be the standard steel part of such as shape or beam.Non-pivoted pipe is arranged as by introducing part 46d.Infiltration Protective element 7d can be connected to the lower end of non-pivoted pipe by support member.

Figure 11 is infiltration protective element 7e another view.Infiltration protective element 7e is arranged in square shape bottom well 5e It is internal.Thus, infiltration protective element 7e is designed as square shape in addition.Infiltration protective element 7e in Figure 11 in Fig. 2 with oozing It is between water protective element 7 another difference is that infiltration protective element 7e perforated plate 71e is made up of single part.In addition, oozing Water protective element 7e is similar to the infiltration protective element 7 in Fig. 2.

Although infiltration protective element 7,7a, 7b, 7c, 7d, 7e are disclosed as substantially circular or square in embodiments Structure, but infiltration protective element can also be another type of shape, such as ellipse, triangle or according to bottom well system Any kind of shape made.The protective element that seeps water can be implemented with various shapes and quantity, the shape or quantity of hole or mesh It can change.

When propeller 3 is located in ejected position, infiltration protective element 7,7a, 7b, 7c, 7d, 7e substantially prevent scattered Ice drifts about inside bottom well 5,5e.This makes it possible to prevent or at least reduced because scattered ice obstruction moves linearly and may be very To the possibility for being frozen in bottom well 5,5e inside and blocking lowering or hoisting gear 4.Thereby, it is possible to be pushed away in ice condition using recoverable Enter device.

Although Figure 1A to Figure 11 describe will be used under ice condition have infiltration protective element 7,7a, 7b, 7c, 7d, 7e recoverable propeller, but polytype thing that infiltration protective element 7,7a, 7b, 7c, 7d, 7e may be adapted in stop water Body.For example, by the structure of recoverable propeller disclosed above, the knot of recoverable propeller may be damaged by resulting in confrontation Such as dead-wood of structure and the protection of other solid materials of other waste materials.

, can be in many ways to those skilled in the art it is readily apparent that with advances in technology Implement basic conception.This solution and embodiments thereof are thus not restricted to examples detailed above；Alternatively they can be wanted in right Change in the range of asking.

Embodiment described herein can be used in any combinations with being bonded to each other.Several in embodiment or At least two can be combined together to form another embodiment.Method or apparatus can include above-described embodiment party At least one in formula.

Claims

1. one kind is used for the recoverable propeller of Swimming boat (2), the recoverable propeller includes：

Propeller (3)；

Lowering or hoisting gear (4), the lowering or hoisting gear is configured to make the propeller (3) along vertical direction in retrieving position and ejection Moved between position, wherein, in the retrieving position, the propeller (3) is substantially in the bottom well of the Swimming boat (2) The inside of (5,5e), and in the ejected position, the propeller (3) is substantially in the outside of the bottom well (5,5e)； And

Seeped water protective element (7,7a, 7b, 7c, 7d, 7e), and the infiltration protective element is configured to above the propeller (3) It is positioned at the inside of the bottom well (5,5e) and is configured to as the propeller (3) is vertically moved, wherein, in the bullet In out position, the infiltration protective element (7,7a, 7b, 7c, 7d, 7e) is configured to substantially prevent that dissipate ice prevents through the infiltration Protection element (7,7a, 7b, 7c, 7d, 7e) arrives the inside of the bottom well (5,5e), and works as the propeller (3) from retrieving position When being moved to the ejected position, the infiltration protective element (7,7a, 7b, 7c, 7d, 7e) is configured to ice releasing the bottom well (5,5e).

2. recoverable propeller according to claim 1, wherein, in the ejected position, the infiltration protective element The lower end (9) of (7,7a, 7b, 7c, 7d, 7e) neighbouring described bottom well (5,5e).

3. recoverable propeller according to claim 1 or 2, wherein, in the ejected position, the infiltration protective element Part (7,7e) substantially covers the water side opening (8) of bottom well (5,5e).

4. recoverable propeller as claimed in one of claims 1-3, wherein, the infiltration protective element (7,7e) is included extremely A few perforated plate (71e, 71,72).

5. recoverable propeller as claimed in one of claims 1-3, wherein, the infiltration protective element (7a, 7b, 7c, 7d) include net (73a, 73b, 73c, 73d).

6. recoverable propeller as claimed in one of claims 1-5, wherein, the infiltration protective element (7d) includes perforation The combination of plate (71b, 72b) and net (73b).

7. recoverable propeller as claimed in one of claims 1-3, wherein, the infiltration protective element (7c) includes pipe knot The combination of structure (10) and net (73c).

8. recoverable propeller as claimed in one of claims 1-3, wherein, the infiltration protective element (7d) includes support Structure (48d) and the combination of net (73d).

9. the recoverable propeller according to any one of claim 1-8, wherein, the lowering or hoisting gear (4) includes：

Fixed support structure (11), the fixed support structure includes induction element (12) and introduction hole (35)；

Non-pivoted pipe (13), the non-pivoted pipe is configured to by the introduction hole (35), wherein, the non-pivoted pipe (13) Lower end (24) is configured to connect to the propeller (3), the propeller (3) is slidably attached to the induction element (12) and the propeller (3) is made vertically to move；And

Actuator devices (17), the actuator devices are configured to be connected to the non-pivoted pipe (13) and the bottom well (5,5e) Between so that when the propeller (3) is moved to the retrieving position, the actuator devices (17) are configured to by making Non-pivoted pipe (13) is stated substantially to lift the propeller (3) to the bottom well in the induction element (12) internal slide The inside of (5,5e), and correspondingly when the propeller (3) is moved to the ejected position, the actuator devices (17) It is configured to by making the non-pivoted pipe (13) substantially be reduced to the propeller (3) in induction element (12) internal slide The outside of the bottom well (5,5e).

10. the recoverable propeller according to any one of claim 1-9, wherein, the lowering or hoisting gear (4) is included at least Two hydraulic cylinders (14a, 14b).

11. recoverable propeller according to claim 9, wherein, the actuator devices (17) include at least two Individual hydraulic cylinder (14a, 14b).

12. the recoverable propeller according to claim 10 or 11, wherein, each hydraulic cylinder (14a, 14b) all includes living Plug, the piston be it is hollow with allow hydraulic fluid connection line (54) be connected at least two hydraulic cylinder (14a, 14b) so as to the position being arranged into inside the bottom well (5,5e) that water can not be contacted.

13. the recoverable propeller according to any one of claim 10-12, wherein, the lowering or hoisting gear (4) includes：

Moving support structure (15) fixed to the non-pivoted pipe (13), wherein, the piston of each hydraulic cylinder (14a, 14b) (19a, 19b) is all configured to be connected to the non-pivoted pipe (13), and the hydraulic pressure via the moving support structure (15) The cylinder shell (16a, 16b) of cylinder (14a, 14b) is configured to connect to the bottom well (5,5e).

14. the recoverable propeller according to any one of claim 1-13, including：

At least one retainer (18), at least one described retainer is configured to prevent the propeller (3) from being moved to the bullet Out position.

15. the recoverable propeller according to any one of claim 1-14, wherein, the infiltration protective element (7,7a, 7b, 7c, 7d, 7e) be configured to prevent by dissipate ice freeze cause the lowering or hoisting gear (4) to block.

16. according to any one of claim 1-15 recoverable propeller, wherein, the propeller (3) is configured to surround institute The vertical axis (43) for stating recoverable propeller being capable of pivot three-sixth turn.

17. the recoverable propeller according to any one of claim 1-16, wherein, the recoverable propeller is orientation Propeller.

18. one kind is used for the method for withdrawing and ejecting the propeller (3) for the recoverable propeller of Swimming boat (2), wherein, institute The method of stating includes：

- the Swimming boat (2) bottom well (5,5e) is internal, above the propeller (3) will infiltration protective element (7,7a, 7b, 7c, 7d, 7e) it is connected to the recoverable propeller；

- when the propeller is in ejected position, prevent from dissipating by the infiltration protective element (7,7a, 7b, 7c, 7d, 7e) Ice arrives the inside of the bottom well (5,5e) through the infiltration protective element (7,7a, 7b, 7c, 7d, 7e)；

- when the propeller (3) is moved to the ejected position from retrieving position, by the protective element that seeps water (7,7a, 7b, 7c, 7d, 7e) ice is released into the bottom well (5,5e).

19. a kind of Swimming boat (2), including：

Bottom well (5,5e)；

Recoverable propeller according to any one of claim 1 to 17；And

Power supply group (20), the power supply group is used to supply electric power make the propeller (3) of the recoverable propeller along perpendicular Nogata is to movement.