CN102849197A - Pump injecting propeller and ship comprising same - Google Patents

Pump injecting propeller and ship comprising same Download PDF

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Publication number
CN102849197A
CN102849197A CN2012100503961A CN201210050396A CN102849197A CN 102849197 A CN102849197 A CN 102849197A CN 2012100503961 A CN2012100503961 A CN 2012100503961A CN 201210050396 A CN201210050396 A CN 201210050396A CN 102849197 A CN102849197 A CN 102849197A
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China
Prior art keywords
pump
vortex
cylindrical shell
circular cylindrical
mandrel
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CN2012100503961A
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Chinese (zh)
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CN102849197B (en
Inventor
刘滨军
冯鹏宇
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F9/00Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/06Floating substructures as supports
    • E02F9/062Advancing equipment, e.g. spuds for floating dredgers
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F3/00Dredgers; Soil-shifting machines
    • E02F3/04Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/06Dredgers; Soil-shifting machines mechanically-driven with digging screws
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F3/00Dredgers; Soil-shifting machines
    • E02F3/04Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/88Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
    • E02F3/8833Floating installations
    • E02F3/8841Floating installations wherein at least a part of the soil-shifting equipment is mounted on a ladder or boom
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D3/00Axial-flow pumps
    • F04D3/02Axial-flow pumps of screw type
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D7/00Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts
    • F04D7/02Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type
    • F04D7/04Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being viscous or non-homogenous

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Screw Conveyors (AREA)
  • Ship Loading And Unloading (AREA)

Abstract

The invention relates to a pump injecting propeller. The pump injecting propeller comprises a drum vortex mechanism and a support device, wherein the support device is suitable for supporting and connecting the drum vortex mechanism to a ship hull cabin; the drum vortex mechanism comprises a vortex worm, a cylindrical shell and a driving device; the vortex worm is provided with a central spindle and a vortex impeller which is fixedly arranged on the outer surface of the central spindle; the cylindrical shell is arranged around the vortex worm and provided with a first end and a second end in the axial direction of the central spindle; the driving device is used for driving the cylindrical shell and the vortex worm to rotate; the tail-end edge of the vortex impeller and the inner wall of the cylindrical shell are fixedly connected so as to form a screw conveying space among the inner wall, the outer surface of the central spindle and the vortex impeller; the volume of the screw conveying space is gradually reduced in the direction from the first end to the second end; and water flows from the first end into the screw conveying space and from the second end into the screw conveying space so as to provide pushing force from the second end to the first end. The invention also relates to a ship comprising the propeller.

Description

Pump-jet propulsor and comprise its boats and ships
Technical field
The boats and ships that the present invention relates to pump-jet propulsor and comprise this pump-jet propulsor.
Background technology
Two and two above paddles are installed at a paddle shaft by existing pump-jet propulsor system.Alternatively, blade can be installed in the shrinkage type water conservancy diversion urceolus.Thereby utilize diesel engine, electro-motor or HM Hydraulic Motor the rotation of drives impeller axle to drive the blade rotation and propulsive force is provided.
Summary of the invention
The present invention proposes a kind of new pump-jet propulsor.
According to an aspect of the present invention, proposed a kind of pump-jet propulsor, having comprised:
The drum vortex machine structure, have vortex worm screw and circular cylindrical shell, described vortex worm screw has mandrel and is fixedly installed on vortex impeller on the outside face of mandrel, described circular cylindrical shell arranges and has along first end and second end of the axial direction of mandrel around the vortex worm screw, and the terminal edge of its mesoscale eddies impeller and the inwall of described circular cylindrical shell engage regularly with formation helical feed space between the outside face of described inwall, described mandrel and vortex impeller;
Actuating device drives the rotation of described circular cylindrical shell and described vortex worm screw; With
Bracing or strutting arrangement is suitable for the hull rudder stock of described drum vortex machine structure support and connection to boats and ships,
Wherein, on the direction from described first end to described the second end, the volume of the conveying space in described helical feed space diminishes gradually, and current flow into described helical feed space, flow out described helical feed space with the thrust on providing from described the second end to described first end direction from described the second end from described first end.
Alternatively, the pitch by reducing the vortex impeller and/or realize the diminishing gradually of conveying space volume in helical feed space by the diameter that on the direction from first end to the second end, increases gradually mandrel.Perhaps in the constant situation of the diameter of keeping mandrel, realize the diminishing gradually of conveying space volume in helical feed space by the radial dimension that on the direction from first end to the second end, reduces gradually the vortex impeller.
Alternatively, described pump-jet propulsor also comprises maintenance housing and two bearing sets that arrange around circular cylindrical shell, and described two bearing sets are arranged between the outside face of the inside face that keeps housing and described circular cylindrical shell rotatably to support described circular cylindrical shell with respect to described maintenance housing.Described actuating device comprises: vane motor, and described HM Hydraulic Motor has inner barrel; Outer cylinder body around the inner barrel layout; Radially be arranged on a plurality of blades between inner barrel and the outer cylinder body, form spatial accommodation between the inwall of outer cylinder body, the outer wall of inner barrel and the adjacent blades, thereby the hydraulic oil drive vane that is injected into spatial accommodation flows out described spatial accommodation after driving the inner barrel rotation, described inner barrel is fixedly installed around the outside face of described circular cylindrical shell, and rotatablely moving of inner barrel drives described circular cylindrical shell rotation.
Further, described pump-jet propulsor also comprises the water-proff packing member between the outside face that is arranged on the inside face that keeps housing and described circular cylindrical shell, and described containment member seals described two bearing sets.
Perhaps, further, described bracing or strutting arrangement comprises pivot shaft, and an end of described pivot shaft is fixedly attached to described maintenance housing, the other end is connected to the hull rudder stock.Further, the other end of described pivot shaft is positioned at the hull rudder stock, and described bracing or strutting arrangement also comprises the steering motor that is arranged in the hull rudder stock, and described steering motor drives described pivot shaft and rotates, advantageously, described pivot shaft can rotate in the angular range of 0 degree-360 degree.Advantageously, be provided with speed reduction gearing between the other end of the output shaft of described steering motor and described pivot shaft.
Alternatively, described mandrel itself can consist of described bracing or strutting arrangement.
Alternatively, above-mentioned actuating device can comprise the CD-ROM drive motor that is positioned at described hull rudder stock; The end of the first end of the close circular cylindrical shell of described mandrel is positioned at described hull rudder stock; The output shaft mechanical connection of the end of described mandrel and described CD-ROM drive motor.At this moment, advantageously, the end of described mandrel is as the output shaft of described CD-ROM drive motor.Further, described pump-jet propulsor also comprises the maintenance housing that arranges around circular cylindrical shell, and described bracing or strutting arrangement is suitable for described maintenance housing is fixedly attached to the hull rudder stock; Two bearing sets, described two bearing sets are arranged between the outside face of the inside face that keeps housing and described circular cylindrical shell rotatably to support described circular cylindrical shell with respect to described maintenance housing.Advantageously, described pump-jet propulsor also comprises the water-proff packing member between the outside face that is arranged on the inside face that keeps housing and described circular cylindrical shell, and described containment member seals described two bearing sets.Equally, described mandrel itself can consist of described bracing or strutting arrangement.
In above pump-jet propulsor, alternatively, with the first end of circular cylindrical shell down and the second end mode up of circular cylindrical shell is vertically placed in the situation of drum vortex machine structure, the vortex impeller comprises perpendicular to the end face cross section of described axial direction: camber line on recessed first, camber line starts from the end of vortex impeller on described first, terminates in point on first on the outside face of mandrel; First time camber line, described first time camber line starts from the end of vortex impeller, terminate in first time point on the outside face of mandrel, the above first time point of described axial direction described first the point below, wherein said first time camber line comprises: first paragraph vortex pump camber line starts from the end of vortex impeller and center of curvature above first time camber line; With the second segment vortex pump camber line that first paragraph vortex pump camber line smoothly joins, terminate in described first time point, and the center of curvature of second segment vortex pump camber line is below first time camber line.
Another aspect of the present invention also relates to boats and ships.These boats and ships can comprise the pump-jet propulsor that at least one is above-mentioned.
Be provided with the fluid passage in the hull rudder stock according to boats and ships of the present invention, one end of this fluid passage communicates with water body, the other end is from the afterbody opening of hull towards hull, and the part of the close described opening in described fluid passage is level, and described drum vortex machine structure is fixed in the horizontal component of described fluid passage.
Can comprise two above-mentioned pump-jet propulsors according to boats and ships of the present invention, wherein said two pump-jet propulsors be arranged side by side and the axial direction of two mandrels parallel to each other.Advantageously, the actuating device of two pump-jet propulsors is suitable for separately control.
Can be provided with two fluid passages in the hull rudder stock according to boats and ships of the present invention, one end of each fluid passage communicates with water body, the other end is from the afterbody opening of hull towards hull, and the part of the close described opening in described fluid passage is level, and described two drum vortex machine structures are separately fixed in the horizontal component of described two fluid passages.
With reference to accompanying drawing description made for the present invention, other purpose of the present invention and advantage will be apparent, and can help that the present invention is had comprehensive understanding by hereinafter.
Description of drawings
Fig. 1 is the structural representation of pump-jet propulsor according to an embodiment of the invention;
Fig. 2 is the vane motor schematic diagram of actuating device according to an embodiment of the invention, wherein Fig. 2 a is the semisectional view of HM Hydraulic Motor, the circular cylindrical shell rotation of fluid motor-driven drum vortex machine structure, the vortex worm screw is not shown among Fig. 2 a, and Fig. 2 b is the partial enlarged view of the blade of HM Hydraulic Motor;
Fig. 3 is according to an embodiment of the invention being arranged between the outside face of the inside face that keeps housing and described circular cylindrical shell rotatably to support the schematic diagram of the bearing set of described circular cylindrical shell with respect to described maintenance housing;
Fig. 4 is the schematic diagram of the bracing or strutting arrangement of pump-jet propulsor according to an embodiment of the invention, and wherein this bracing or strutting arrangement provides turning function for described pump-jet propulsor;
Fig. 5 is the schematic diagram of pump-jet propulsor according to an embodiment of the invention, wherein directly provides rotary power to the mandrel of drum vortex machine structure by the CD-ROM drive motor that is arranged in the boats and ships rudder stock;
Fig. 6 is the structural representation that drum vortex machine structure according to an embodiment of the invention is installed in hull rudder stock inside, and wherein Fig. 6 a shows the situation that a drum vortex machine structure is installed, and Fig. 6 b shows the situation that two drum vortex machine structures are installed; And
Fig. 7 is the schematic diagram of drum vortex machine structure according to an embodiment of the invention;
Fig. 8 has schematically shown according to an embodiment of the invention vortex impeller, and wherein Fig. 8 a shows the block diagram of vortex impeller, and Fig. 8 b shows the end face cross section that the edge of vortex impeller is parallel to the longitudinal axis of mandrel;
Fig. 9 shows the according to an embodiment of the invention work area of vortex impeller.
The specific embodiment
Although fully describe the present invention with reference to the accompanying drawing that contains preferred embodiment of the present invention, before this describes, should be appreciated that those of ordinary skill in the art can revise invention described herein, obtains technique effect of the present invention simultaneously.Therefore, must understand above description to those of ordinary skill in the art and Yan Weiyi discloses widely, and its content does not lie in restriction exemplary embodiment described in the invention.
Below with reference to Fig. 1 pump-jet propulsor according to an embodiment of the invention is described.Fig. 1 is the structural representation of pump-jet propulsor according to an embodiment of the invention.
Referring to Fig. 1, pump-jet propulsor 100 comprises:
Drum vortex machine structure 10, have vortex worm screw 11 and circular cylindrical shell 12, described vortex worm screw 11 has mandrel 111 and is fixedly installed on vortex impeller 112 on the outside face of mandrel 111, described circular cylindrical shell 12 arranges and has along first end 121 and second end 122 of the axial direction of mandrel 111 around vortex worm screw 11, and the terminal edge of its mesoscale eddies impeller 112 and the inwall 123 of described circular cylindrical shell 12 engage regularly with formation helical feed space 13 between the outside face of described inwall 123, described mandrel 111 and vortex impeller 112;
Actuating device 20 drives described circular cylindrical shell 12 and 11 rotations of described vortex worm screw; With
Bracing or strutting arrangement 30 is suitable for the hull rudder stock 201 of described drum vortex machine structure 10 support and connection to boats and ships,
Wherein, from described first end 121 on the direction of described the second end 122, be among Fig. 1 on from left to right the direction, the volume of the conveying space in described helical feed space 13 diminishes gradually, and current flow into described helical feed space 13, flow out described helical feed space 13 with the thrust on providing from described the second end 122 to described first end 121 directions from described the second end 122 from described first end 121.In the situation that the hull straight ahead, the direction from the second end 122 to first end 121 is corresponding to the direction from the stern to the fore of hull.
Can use interference fit or welding etc. that the end of vortex impeller 112 is fixed on the inwall of circular cylindrical shell 12.
On mandrel 111, the spiral of vortex impeller 112 is for example more than 360 * 5, and lead angle is in the scope that 90 degree+10 degree are spent to 180 degree-20.The variation of blade profile for example as shown in Figure 8.
In addition, the volume compression ratio in above-mentioned helical feed space 13 for example is 1: 078.
Utilize the helical feed space 13 of convergence, fluid can be carried out volume compression and radially accelerate and obtain energy at impeller in the space of High Rotation Speed.In the present invention, can reduce the generation of surge, stall and/or cavitation erosion.
Diminishing gradually of pitch that can be by reducing vortex impeller 112 and/or the conveying space volume by realizing helical feed space 13 at the diameter that on the direction of first end 121 to second ends 122, increases gradually mandrel 111, as shown in fig. 1.
Also can adopt the diameter of mandrel 111 to remain unchanged, the internal diameter of circular cylindrical shell 12 is then diminishing (namely on the direction of first end 121 to second ends 122 gradually, the radial dimension of vortex impeller 112 is diminishing on the direction of first end 121 to second ends 122 gradually), as shown in Figure 7.In Fig. 7, circular cylindrical shell 12 is the shape of convergent, for the ease of fixing of bearing set 50, can arrange between the outside face of circular cylindrical shell 12 and bearing set 50 and circular cylindrical shell 12 and bearing set 50 fixing inclined ring 91 respectively, the inside face of this inclined ring 91 cooperates with the outside face of circular cylindrical shell 12 and the longitudinal axis of outside face and mandrel 111 extends in parallel.
The actuating device 20 of pump-jet propulsor 100 is described below with reference to Fig. 1-3.Fig. 2 is the vane motor schematic diagram of actuating device according to an embodiment of the invention, wherein Fig. 2 a is the semisectional view of HM Hydraulic Motor, the circular cylindrical shell rotation of fluid motor-driven drum vortex machine structure, the vortex worm screw is not shown among Fig. 2 a, and Fig. 2 b is the partial enlarged view of the blade of HM Hydraulic Motor; Fig. 3 is according to an embodiment of the invention being arranged between the outside face of the inside face that keeps housing and described circular cylindrical shell rotatably to support the schematic diagram of the bearing set of described circular cylindrical shell with respect to described maintenance housing.
Described pump-jet propulsor 100 also comprises maintenance housing 40 and a bearing set 50 that arranges around circular cylindrical shell 12, and described two bearing sets 50 are arranged between the outside face of the inside face that keeps housing 40 and described circular cylindrical shell 12 rotatably to support described circular cylindrical shell 12 with respect to described maintenance housing 40.Described actuating device 20 comprises: vane motor 21, and described HM Hydraulic Motor has inner barrel 211; Outer cylinder body 212 around inner barrel 211 layouts; Radially be arranged on a plurality of blades 213 between inner barrel 211 and the outer cylinder body 212, form spatial accommodation 214 between the outer wall of the inwall of outer cylinder body 212, inner barrel 211 and the adjacent blades 213, thereby the hydraulic oil drive vane 213 that is injected into spatial accommodation flows out described spatial accommodation 214 after driving inner barrel 211 rotations, described inner barrel 211 is fixedly installed around the outside face of described circular cylindrical shell 12, and rotatablely moving of inner barrel 211 drives described circular cylindrical shell 12 rotations.
Shown in exemplary among Fig. 2, the inwall of outer cylinder body 212 forms oval cavity, and inner barrel 211 is circular, one end of blade 213 is arranged in the mounting hole on the outer wall of inner barrel 211, and under the effect of the spring in mounting hole 215 by the pushing of the inwall of cylindrical shell 212 outward, thereby the other end of blade 213 is against the inwall of described outer cylinder body 212.Form independently cavity 214 between the inwall of the outer wall of adjacent blades 213 and inner barrel 211 and outer cylinder body 212.Hydraulic oil enters the cavity that indicates A 214 among Fig. 2 a by entrance 216, and flows out by exporting 217 cavitys that indicate B 214 from Fig. 2 a.In Fig. 2 a, for the zone that indicates A, the blade 213 that is positioned in the counterclockwise direction the front side is larger than the compression area of the blade 213 that is positioned at rear side with the compression area of hydraulic oil, thereby there is difference of pressure in the pressure that hydraulic oil acts on these two blades, under the effect of this difference of pressure, blade 213 is driven by conter clockwise, also rotates counterclockwise thereby drive inner barrel 211, when inner barrel 211 rotated counterclockwise, inner barrel 211 circular cylindrical shells 12 fixed thereon also rotated counterclockwise.When hydraulic oil moved to the cavity 214 that indicates B from the cavity 214 that indicates A, it flowed out cavitys 214 and enters and return oil circuit from exporting 217, via turning back to entrance 216 after the pressurization of the force (forcing) pump in the oil circuit.In the process of inner barrel 211 rotation, blade 213 periodically moves back and forth in the mounting hole on the outer wall of inner barrel 211 under the combined action of the squeese pressure of the inwall of the elasticity squeese pressure of spring 215 and outer cylinder body 212.
In the situation of the position transposing of the entrance 216 in Fig. 2 a and outlet 217, inner barrel 211 can clickwise.
It should be noted that above only is an exemplary description to HM Hydraulic Motor.For the present invention, as long as can use the HM Hydraulic Motor of any known type so that circular cylindrical shell 12 rotates, this is all within protection scope of the present invention.
As shown in Figure 3, bearing set 50 is mainly for respect to keeping rotatably stationary cylinder housing 12 of housing 40, and improves the stability that circular cylindrical shell 12 rotates.A bearing set 50 can comprise tilting bearing 51 and thrust baring 52, be fixed by bearing seat 53 and two bearing cap shims 54, seal ring 55 is installed in the bearing cap shim 54, and tightening screw 56 will keep housing 40 and circular cylindrical shell 12 to be respectively fixed on the corresponding site of bearing.The bearing set equally, here also only is exemplary.
As shown in fig. 1, described pump-jet propulsor 100 also comprises the water-proff packing member 60 between the outside face that is arranged on the inside face that keeps housing 40 and described circular cylindrical shell 12, and described containment member 60 seals described two bearing sets 50.In the situation that containment member 60 has been installed, also can not use simultaneously above-mentioned seal ring 55.
An example of bracing or strutting arrangement 30 is described below with reference to Fig. 4.Fig. 4 is the schematic diagram of the bracing or strutting arrangement of pump-jet propulsor according to an embodiment of the invention, and wherein this bracing or strutting arrangement provides turning function for described pump-jet propulsor.
Described bracing or strutting arrangement 30 comprises pivot shaft 31, and an end of described pivot shaft 31 is fixedly attached to described maintenance housing 40, the other end is connected to hull rudder stock 201, will keep thus housing 40 to be fixed on the hull rudder stock 201.Alternatively, as above mentioned, this bracing or strutting arrangement 30 can be for providing turning function for described pump-jet propulsor 100.Particularly, the other end of described pivot shaft 31 is positioned at hull rudder stock 201, and described bracing or strutting arrangement 30 also comprises the steering motor 32 that is arranged in the hull rudder stock 201, and described steering motor 32 drives described pivot shaft 31 and rotates.Advantageously, pivot shaft 31 can rotate in the angular range of 0 degree-360 degree.Advantageously, be provided with speed reduction gearing between the other end of the output shaft of described steering motor 32 and described pivot shaft 31, as shown in FIG., speed reduction gearing can be exemplarily be the big gear wheel 34 on the miniature gears 33 on the output shaft that is arranged on steering motor and the other end that is arranged on pivot shaft 31 that is engaged with.In order to keep pivot shaft 31 stabilized rotations, bearing 35 can be set.For anti-sealing is leaked in the rudder stock, can between the hole on the plate of the cabin of pivot shaft 31 and rudder stock, sealing arrangement be set.
Bracing or strutting arrangement 30 shown in Fig. 1,4 has utilized pivot shaft 31, and still, bracing or strutting arrangement also can adopt other form.For example, an end of mandrel 111 directly can be extended in the hull rudder stock, rotatably maintenance or support pump-jet propulsor 100 are own by rotatably keeping mandrel 111.
Thereby the example of using fluid motor-driven circular cylindrical shell 12 to drive the rotation of vortex worm screw has been shown among Fig. 1,2.But, can also use other type of drive, for example, thereby actuating device 20 directly rotation mandrel 111 drive the rotation of vortex worm screws.
Fig. 5 is the schematic diagram of pump-jet propulsor according to an embodiment of the invention, wherein directly provides rotary power to the mandrel 111 of drum vortex machine structure by the CD-ROM drive motor that is arranged in the boats and ships rudder stock 201.Actuating device 20 comprises the CD-ROM drive motor 61 that is positioned at described hull rudder stock 201; The end of the first end 121 of the close circular cylindrical shell 12 of described mandrel 111 is positioned at described hull rudder stock 201; The output shaft mechanical connection of the end of described mandrel 111 and described CD-ROM drive motor 61.As shown in Figure 5, the end of described mandrel 111 is as the output shaft of described CD-ROM drive motor 61.Although do not illustrate, the mechanical connection between the described end of the output shaft of CD-ROM drive motor 61 and mandrel 111 also can adopt alternate manner, such as using speed reduction gearing, coupler etc.
Referring to Fig. 5, described pump-jet propulsor 100 also comprises: around the maintenance housing 40 that circular cylindrical shell 12 arranges, the bracing or strutting arrangement 30 of cashing as pipe link will keep housing 40 to be fixedly attached to hull rudder stock 201; Two bearing sets 50, described two bearing sets are arranged between the outside face of the inside face that keeps housing 40 and described circular cylindrical shell 12 rotatably to support described circular cylindrical shell 12 with respect to described maintenance housing 40.Bearing set 50 can adopt structure described above.Similarly, described pump-jet propulsor 100 also comprises the water-proff packing member 60 between the outside face that is arranged on the inside face that keeps housing 40 and described circular cylindrical shell 12, and described containment member seals described two bearing sets.
Also can not use to keep housing 40, at this moment, can use the mandrel 111 that extends in the hull rudder stock directly as bracing or strutting arrangement.
As shown in Figure 8, with the first end 121 of circular cylindrical shell 12 down and the second end 122 mode up of circular cylindrical shell 12 is vertically placed in the situation of drum vortex machine structure, vortex impeller 112 comprises perpendicular to the end face cross section of described axial direction: camber line BD on recessed first, camber line BD starts from the terminal B of vortex impeller 112 on first, terminates on first on the outside face of mandrel 111 and puts D; First time camber line BE, first time camber line BE starts from the terminal B of vortex impeller, terminate in first time some E on the outside face of mandrel 111, at first time some E on the described axial direction below the first point D, wherein first time camber line BE comprises: first paragraph drum vortex machine camber line BF starts from the terminal B of vortex impeller and center of curvature above first time camber line BE; Near smoothly join with the first paragraph drum vortex machine camber line BF second segment drum vortex machine camber line FE at (at F point place or the F point) terminate in described first time some E, and the center of curvature of second segment drum vortex machine camber line FE is below first time camber line BE.
Same frequently out of phase between fluid in the cavity in helical feed space 13 and the cavity of rotation, its phase difference ratio of slip K is: be 0.8-0.9 in 360 ° of the first two, be 0.9-0.95 at rear three 360 °, the velocity triangle of per two points has vertically and radially vortex shape directional acceleration generation, form the wind spout effect, 111 one-tenth a of the velocity triangle in blade back-pressure district and mandrel, b, c operating area (seeing accompanying drawing 9).Reach vortex impeller 112 roots (impeller is near 1/3 place of mandrel 9) on mandrel 9 outer walls and form operating area a, operating area b is formed on the top of circular cylindrical shell 12 inwalls and vortex impeller 112 (impeller is near 1/3 place of housing), forms operating area c between operating area a, the b.After the stack, direction vector deflection so that hydraulic loss reduces to minimum, by adjusting trizonal spiral angle, curvature, when identical power and flow, can improve propulsive force.
According to another aspect of the invention, the present invention also relates to a kind of boats and ships, it comprises any above-mentioned pump-jet propulsor 100.
Referring to Fig. 6, Fig. 6 is the structural representation that drum vortex machine structure according to an embodiment of the invention is installed in hull rudder stock inside, wherein Fig. 6 a shows the situation that a drum vortex machine structure is installed, and Fig. 6 b shows the situation that two drum vortex machine structures are installed.
As shown in Fig. 6 a, be provided with fluid passage 70 in the hull rudder stock 201 of described boats and ships, one end of this fluid passage 70 communicates with water body as water inlet 71, the other end from hull towards the afterbody opening of hull as water outlet 72, and the part of described fluid passage 70 close described openings is level, and described drum vortex machine structure 10 is fixed in the horizontal component of described fluid passage 70.
As shown in Fig. 6 b, boats and ships can comprise two pump-jet propulsors 100, wherein two pump-jet propulsors 100 be arranged side by side and the axial direction of two mandrels 111 parallel to each other.Advantageously, the actuating device of two pump-jet propulsors is suitable for separately control, so, can realize turning to of hull by the load of accessory drive respectively.
Equally referring to Fig. 6 b, be provided with two fluid passages 70 in the hull rudder stock of described boats and ships, one end of each fluid passage communicates with water body as water inlet 71, the other end from hull towards the afterbody opening of hull as water outlet 72, and the part of the close described opening in described fluid passage is level, and described two drum vortex machine structures 10 are separately fixed in the horizontal component of described two fluid passages.
It should be noted that the mode of arranging two pump-jet propulsors 100 is not limited to shown in Fig. 6 b, for example, can arrange two pump-jet propulsors shown in Fig. 5.
It is also to be noted that, the boats and ships here also comprise the amphibious transportation device that can travel on land.
Although illustrated and described embodiments of the invention, for the ordinary skill in the art, be appreciated that without departing from the principles and spirit of the present invention and can change these embodiment, scope of the present invention is limited by claims and equivalent thereof.

Claims (20)

1. pump-jet propulsor comprises:
The drum vortex machine structure, have vortex worm screw and circular cylindrical shell, described vortex worm screw has mandrel and is fixedly installed on vortex impeller on the outside face of mandrel, described circular cylindrical shell arranges and has along first end and second end of the axial direction of mandrel around the vortex worm screw, and the terminal edge of its mesoscale eddies impeller and the inwall of described circular cylindrical shell engage regularly with formation helical feed space between the outside face of described inwall, described mandrel and vortex impeller;
Actuating device drives the rotation of described circular cylindrical shell and described vortex worm screw; With
Bracing or strutting arrangement is suitable for the hull rudder stock of described drum vortex machine structure support and connection to boats and ships,
Wherein, on the direction from described first end to described the second end, the volume of the conveying space in described helical feed space diminishes gradually, and current flow into described helical feed space, flow out described helical feed space with the thrust on providing from described the second end to described first end direction from described the second end from described first end.
2. pump-jet propulsor according to claim 1, wherein:
Pitch by reducing the vortex impeller and/or realize the diminishing gradually of conveying space volume in helical feed space by the diameter that on the direction from first end to the second end, increases gradually mandrel; Perhaps
In the constant situation of the diameter of keeping mandrel, realize the diminishing gradually of conveying space volume in helical feed space by the radial dimension that on the direction from first end to the second end, reduces gradually the vortex impeller.
3. pump-jet propulsor according to claim 1, wherein:
Described pump-jet propulsor also comprises maintenance housing and two bearing sets that arrange around circular cylindrical shell, and described two bearing sets are arranged between the outside face of the inside face that keeps housing and described circular cylindrical shell rotatably to support described circular cylindrical shell with respect to described maintenance housing;
Described actuating device comprises: vane motor, and described HM Hydraulic Motor has inner barrel; Outer cylinder body around the inner barrel layout; Radially be arranged on a plurality of blades between inner barrel and the outer cylinder body, form spatial accommodation between the inwall of outer cylinder body, the outer wall of inner barrel and the adjacent blades, thereby the hydraulic oil drive vane that is injected into spatial accommodation flows out described spatial accommodation after driving the inner barrel rotation, described inner barrel is fixedly installed around the outside face of described circular cylindrical shell, and rotatablely moving of inner barrel drives described circular cylindrical shell rotation.
4. pump-jet propulsor according to claim 3, wherein:
Described pump-jet propulsor also comprises the water-proff packing member between the outside face that is arranged on the inside face that keeps housing and described circular cylindrical shell, and described containment member seals described two bearing sets.
5. pump-jet propulsor according to claim 3, wherein:
Described bracing or strutting arrangement comprises pivot shaft, and an end of described pivot shaft is fixedly attached to described maintenance housing, the other end is connected to the hull rudder stock.
6. pump-jet propulsor according to claim 5, wherein:
The other end of described pivot shaft is positioned at the hull rudder stock, and described bracing or strutting arrangement also comprises the steering motor that is arranged in the hull rudder stock, and described steering motor drives described pivot shaft and rotates.
7. pump-jet propulsor according to claim 6, wherein:
Described pivot shaft can rotate in the angular range of 0 degree-360 degree.
8. pump-jet propulsor according to claim 6, wherein:
Be provided with speed reduction gearing between the output shaft of described steering motor and the other end of described pivot shaft.
9. pump-jet propulsor according to claim 3, wherein:
Described mandrel itself consists of described bracing or strutting arrangement.
10. pump-jet propulsor according to claim 1, wherein:
Described actuating device comprises the CD-ROM drive motor that is positioned at described hull rudder stock;
The end of the first end of the close circular cylindrical shell of described mandrel is positioned at described hull rudder stock;
The output shaft mechanical connection of the end of described mandrel and described CD-ROM drive motor.
11. pump-jet propulsor according to claim 10, wherein:
The end of described mandrel is as the output shaft of described CD-ROM drive motor.
12. pump-jet propulsor according to claim 11, wherein:
Described pump-jet propulsor also comprises:
Around the maintenance housing that circular cylindrical shell arranges, described bracing or strutting arrangement is suitable for described maintenance housing is fixedly attached to the hull rudder stock;
Two bearing sets, described two bearing sets are arranged between the outside face of the inside face that keeps housing and described circular cylindrical shell rotatably to support described circular cylindrical shell with respect to described maintenance housing.
13. pump-jet propulsor according to claim 12, wherein:
Described pump-jet propulsor also comprises the water-proff packing member between the outside face that is arranged on the inside face that keeps housing and described circular cylindrical shell, and described containment member seals described two bearing sets.
14. pump-jet propulsor according to claim 10, wherein:
Described mandrel itself consists of described bracing or strutting arrangement.
15. each described pump-jet propulsor according to claim 1-14, wherein:
With the first end of circular cylindrical shell down and the second end mode up of circular cylindrical shell is vertically placed in the situation of drum vortex machine structure, the vortex impeller comprises perpendicular to the end face cross section of described axial direction:
Camber line on recessed first, camber line starts from the end of vortex impeller on described first, terminates in point on first on the outside face of mandrel;
First time camber line, described first time camber line starts from the end of vortex impeller, terminate in first time point on the outside face of mandrel, the above first time point of described axial direction described first the point below, wherein said first time camber line comprises: first paragraph vortex pump camber line starts from the end of vortex impeller and center of curvature above first time camber line; With the second segment vortex pump camber line that first paragraph vortex pump camber line smoothly joins, terminate in described first time point, and the center of curvature of second segment vortex pump camber line is below first time camber line.
16. boats and ships comprise each described pump-jet propulsor during at least one according to claim 1-15.
17. boats and ships, comprise according to claim 3-4, each described pump-jet propulsor among the 10-13, wherein: be provided with the fluid passage in the hull rudder stock of described boats and ships, one end of this fluid passage communicates with water body, the other end is from the afterbody opening of hull towards hull, and the part of the close described opening in described fluid passage is level, and described drum vortex machine structure is fixed in the horizontal component of described fluid passage.
18. boats and ships, comprise two according to claim 3-4, each described pump-jet propulsor among the 10-13, wherein: described two pump-jet propulsors be arranged side by side and the axial direction of two mandrels parallel to each other.
19. boats and ships according to claim 18, wherein: the actuating device of two pump-jet propulsors is suitable for separately control.
20. boats and ships according to claim 18, wherein: be provided with two fluid passages in the hull rudder stock of described boats and ships, one end of each fluid passage communicates with water body, the other end is from the afterbody opening of hull towards hull, and the part of the close described opening in described fluid passage is level, and described two drum vortex machine structures are separately fixed in the horizontal component of described two fluid passages.
CN201210050396.1A 2011-03-03 2012-02-29 Pump injecting propeller and ship comprising same Expired - Fee Related CN102849197B (en)

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CN2011100532353 2011-03-03
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CN201110053235 2011-03-03
CN201110053235.3 2011-03-03
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CN201280006858.8A Expired - Fee Related CN103547520B (en) 2011-03-03 2012-03-01 Drum vortex machine, bulk cargo suction system, ship unloading equipment and drum vortex machine structure
CN201280007297.3A Expired - Fee Related CN103492721B (en) 2011-03-03 2012-03-02 Rotary drum type vortex pump, take silt device, silt dredger and dredging method

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CN103547520B (en) 2016-02-17
CN102849197B (en) 2017-04-12
WO2012116648A3 (en) 2012-11-01
CN103492721B (en) 2016-08-10
WO2012116651A1 (en) 2012-09-07
CN103492721A (en) 2014-01-01
CN103547520A (en) 2014-01-29
WO2012116648A2 (en) 2012-09-07

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