CN207328797U - Propeller flow passage structure, propeller and submarine navigation device - Google Patents

Abstract

Underwater navigation equipment technical field is the utility model is related to, more particularly, to a kind of propeller flow passage structure, propeller and submarine navigation device.The propeller flow passage structure, including diversion pipe, the diversion pipe have opposite front-end and back-end, and the radial section of the diversion pipe is in annular shape；Along the axial direction of the diversion pipe, the outside diameter of the diversion pipe is gradually reduced from the rear end to the front end；Along the axial direction of the diversion pipe, the internal diameter of the diversion pipe is first gradually decrease to the first setting value from the rear end to the front end, then is gradually increased by first setting value.The propeller, including power set, propeller and the propeller flow passage structure；Diversion pipe is fixedly connected with the housing of power set, and power set are used to drive propeller to rotate.The submarine navigation device, including the propeller.The utility model improves work efficiency of the propeller to water, is conducive to the raising of the propulsive efficiency of propeller, and increases thrust.

Description

Propeller flow passage structure, propeller and submarine navigation device

Technical field

Underwater navigation equipment technical field is the utility model is related to, more particularly, to a kind of propeller flow passage structure, is promoted Device and submarine navigation device.

Background technology

For the propeller of submarine navigation device of the prior art when promoting, submerged flow field easily produces the propeller of propeller Raw thrust diminishes, and is unfavorable for the raising of the propulsive efficiency of propeller.

Utility model content

The purpose of this utility model is to provide a kind of propeller flow passage structure, propeller and submarine navigation device, to solve For the propeller of submarine navigation device existing in the prior art when promoting, submerged flow field easily makes what the propeller of propeller produced Thrust diminishes, and is unfavorable for the technical problem of the raising of the propulsive efficiency of propeller.

The utility model provides a kind of propeller flow passage structure, including diversion pipe, the diversion pipe have it is opposite before End and rear end, the radial section of the diversion pipe is in annular shape；

Along the axial direction of the diversion pipe, the outside diameter of the diversion pipe is gradually reduced from the rear end to the front end；

Along the axial direction of the diversion pipe, the internal diameter of the diversion pipe is first gradually reduced from the rear end to the front end Gradually increase to the first setting value, then by first setting value.

Further, pick-and-place components and fastener are further included；The pick-and-place components and the fastener are both secured to the rear end The mouth of pipe on.

Further, it is symmetrical on the mouth of pipe that the pick-and-place components are held in the rear with the fastener.

Further, card hole is offered on the tube wall of the front end.

Further, locating slot is offered on the mouth of pipe of the front end.

Further, the axial length of the diversion pipe is more than the width of the blade of propeller.

Further, the internal diameter of the diversion pipe is more than the paddle diameter of propeller.

Further, the internal diameter of the mouth of pipe of the front end is more than the axial length of the diversion pipe；The mouth of pipe of the rear end Internal diameter be more than the diversion pipe axial length.

The utility model additionally provides a kind of propeller, including power set, propeller and the propeller runner knot Structure；The diversion pipe is fixedly connected with the housing of the power set, and the power set are used to drive the propeller to rotate.

The utility model additionally provides a kind of submarine navigation device, including the propeller.

Compared with prior art, the beneficial effects of the utility model are：

Propeller flow passage structure provided by the utility model, including diversion pipe, the diversion pipe have opposite front end and Rear end, the radial section of the diversion pipe is in annular shape；Along the axial direction of the diversion pipe, the outside diameter of the diversion pipe is by institute Rear end is stated to be gradually reduced to the front end；Along the axial direction of the diversion pipe, the internal diameter of the diversion pipe from the rear end to The front end is first gradually decrease to the first setting value, then is gradually increased by first setting value.By increasing on propeller Flow passage structure, is located at the inside of flow passage structure by the propeller for making propeller, so that the situation in flow field near propeller is changed, When submarine navigation device is during advance or retrogressing, the movement of propeller makes fluid from diversion pipe by the way that current are in spiral shell When revolving paddle position, due to the limitation of the tube chamber of diversion pipe, current are just accelerated, and ensure that as far as possible more water, by propeller plus Speed, reduces influence of the submerged flow field to propeller afterwards, improves work efficiency of the propeller to water, is conducive to propeller The raising of propulsive efficiency, and increase thrust.

The propeller that the utility model also provides, including power set, propeller and the propeller flow passage structure；Lead Flow tube is fixedly connected with the housing of power set, and power set are used to drive propeller to rotate.Understand that this is pushed away based on above-mentioned analysis Influence of the submerged flow field to propeller is reduced into device, is conducive to the raising of the propulsive efficiency of propeller, and increase thrust.

The submarine navigation device that the utility model also provides, including the propeller.Understand that this is underwater based on above-mentioned analysis Aircraft, reduces influence of the submerged flow field to propeller, is conducive to the raising of the propulsive efficiency of propeller, and increases thrust.

Brief description of the drawings

, below will be right in order to illustrate more clearly of the utility model embodiment or technical solution of the prior art Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, describe below In attached drawing be the utility model some embodiments, for those of ordinary skill in the art, do not paying creativeness On the premise of work, other attached drawings can also be obtained according to these attached drawings.

Fig. 1 is the schematic diagram for the propeller flow passage structure that the utility model embodiment one provides；

Fig. 2 is the schematic diagram at another visual angle for the propeller flow passage structure that the utility model embodiment one provides；

Fig. 3 is the schematic diagram at the another visual angle for the propeller flow passage structure that the utility model embodiment one provides；

Fig. 4 is the sectional view for the propeller flow passage structure that the utility model embodiment one provides；

Fig. 5 is the schematic diagram of stator blade structure in the utility model embodiment two；

Fig. 6 is another visual angle schematic diagram of stator blade structure in the utility model embodiment two；

Fig. 7 is the another visual angle schematic diagram of stator blade structure in the utility model embodiment two；

Fig. 8 is the sectional view of stator blade structure in the utility model embodiment two；

Fig. 9 is the sectional view that stator blade structure is installed together with propeller flow passage structure in the utility model embodiment two；

Figure 10 is the structure diagram of propeller in the utility model embodiment two；

Figure 11 is the structure diagram of power set in the utility model embodiment two.

In figure：

101- installing rings；102- stator blades；103- conducting elements；104- outer ends；105- inner ends；106- wide faces； 107- leptoprosopy portion；108- stopper sections；109- cartridge parts；110- engages boss；111- first boss；112- second boss；201- Power set；202- propellers；203- diversion pipes；204- front ends；205- rear ends；206- pick-and-place components；207- fasteners；208- consolidates Determine hole；209- card holes；210- locating slots；211- housings；212- plugs；213- chuck；214- card slots.

Embodiment

The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described Embodiment is the utility model part of the embodiment, instead of all the embodiments.Based on the embodiment in the utility model, sheet Field those of ordinary skill all other embodiments obtained without making creative work, belong to this practicality Novel protected scope.

, it is necessary to explanation in the description of the utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular Directly ", the orientation of the instruction such as " level ", " interior ", " outer " or position relationship are based on orientation shown in the drawings or position relationship, are only Described for the ease of description the utility model and simplifying, rather than instruction or imply signified device or element must have it is specific Orientation, with specific azimuth configuration and operation, therefore it is not intended that limitation to the utility model.In addition, term " the One ", " second ", " the 3rd " are only used for description purpose, and it is not intended that instruction or hint relative importance.

, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in the description of the utility model Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly Connection；Can mechanically connect or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition Concrete meaning of the language in the utility model.

Embodiment one

Referring to shown in Fig. 1 to Fig. 4, the utility model embodiment one provides a kind of propeller flow passage structure, including water conservancy diversion Pipe 203, diversion pipe 203 have opposite front end 204 and rear end 205, and the radial section of diversion pipe 203 is in annular shape；Along water conservancy diversion The axial direction of pipe 203, the outside diameter of diversion pipe 203 are gradually reduced by 205 forward end 204 of rear end；Along the axial direction side of diversion pipe 203 To the internal diameter of diversion pipe 203 is first gradually decrease to the first setting value by 205 forward end 204 of rear end, then gradual by the first setting value Increase.

Specifically, the radial section of diversion pipe 203 is anchor ring, and the axial cross section of diversion pipe 203 is on the reference plane Projection outer contour it is trapezoidal, can so ensure that diversion pipe 203 has a fixed dimension of very specification, reduce difficulty of processing and installation Error；The reference planes are parallel with the axis of diversion pipe 203, and the reference planes and the axial cross section of diversion pipe 203 are put down OK.The outer wall of diversion pipe 203 on the reference plane be projected as straight line, the projection of the inner wall of diversion pipe 203 on the reference plane For smooth curve.It should be noted that the size of the first setting value is determined according to situation is realized, the first setting value is front end 98%~%99.2 of internal diameter of 204 mouth of pipe；The inner circle of the diversion pipe 203 of a diameter of first setting value, positioned at diversion pipe 203 The position of %30~50% of axial length, and the inner circle is close to the front end 204 of diversion pipe 203, that is to say, that diversion pipe it is interior The position of footpath minimum, 30%~50% positioned at the axial length of diversion pipe 203 is local, and the position of the internal diameter minimum of diversion pipe Close to the front end 204 of diversion pipe 203.Optionally, the inner circle of the diversion pipe 203 of a diameter of first setting value, positioned at diversion pipe 203 Axial length 42% or so position, so can farthest increase the thrust of propeller, it is, propeller Position where 202 Plane of rotation, so during causing advance to fall back operation, when fluid is by propeller 202, makes Propeller 202 effectively accelerates fluid, so as to increase thrust, improves the effective rate of utilization of the acting of propeller 202.

The propeller flow passage structure that the embodiment provides, by increasing flow passage structure on propeller, will make propeller Propeller 202 is located at the inside of flow passage structure, so that the situation in flow field near propeller 202 is changed, when submarine navigation device exists During advancing or retreating, the movement of propeller 202 make fluid from diversion pipe 203 by, current in 202, propeller When putting, due to the limitation of the tube chamber of diversion pipe 203, current are just accelerated, and ensure that as far as possible more water, are added by propeller 202 Speed, reduces influence of the submerged flow field to propeller 202 afterwards, is conducive to the raising of the propulsive efficiency of propeller, and increase and push away Power.

In the optional scheme of the embodiment, propeller flow passage structure further includes pick-and-place components 206 and fastener 207；Pick-and-place components 206 and fastener 207 be both secured on the mouth of pipe of rear end 205.It can so ensure the pivot and diversion pipe of propeller 202 203 axis coaxle, is designed into mould, convenient installation test, to reduce the vibrations of diversion pipe 203 in progradation and make raising spiral shell Revolve the stability in the flow field around paddle 202.

Specifically, pick-and-place components 206 are used for the plug 212 on the housing 211 of power set 201 by way of grafting It is fixedly connected, engaging card is used to be fixedly connected by way of engaging with the housing 211 of power set 201.Pick-and-place components 206 are set Pipe, the radial section of the casing is oval, so can be very good after ensureing to plug with the housing 211 of power set 201 Stability and concentricity, avoid propeller from getting to runner inner wall, so as to improve propulsive efficiency.In addition, casing has cecum, should Mounting hole 208 is offered on cecum, after by being passed through for bolt, bolt can be with 211 screw thread of housing of power set 201 Connection, so further ensures the stability after being plugged with the housing of power set 201 211.Fastener 207 is snap-gauge, There is card slot in the plate face of snap-gauge, can fasten with the chuck 213 on the housing 211 of power set 201, i.e., chuck is limited in In card slot, mounting hole 208 is in addition also offered on snap-gauge, after by being passed through for bolt, bolt can be with power set 201 Housing 211 be threadedly coupled, so further ensure the stability after fastening with the housing of power set 201 211.

In the optional scheme of the embodiment, pick-and-place components 206 and fastener 207 are symmetrical on the mouth of pipe of rear end 205.This Sample further ensures the center of the Plane of rotation of propeller 202 and the axis coaxle of diversion pipe 203, reduces and is led in progradation The vibrations of pipe and the stability for making the flow field around raising propeller 202, avoid propeller from getting to inner wall.

In the optional scheme of the embodiment, card hole 209 is offered on the tube wall of front end 204.The quantity of card hole 209 is more A, specifically, in the embodiment, the quantity of card hole 209 is 8, and 8 card holes 209 are divided for 4 groups, every group 2.

In the optional scheme of the embodiment, locating slot 210 is offered on the mouth of pipe of front end 204.The quantity of locating slot 210 is Multiple, specific and square, the quantity of locating slot 210 is 4.

In the optional scheme of the embodiment, the axial length of diversion pipe 203 is more than the width of the blade of propeller 202.This Sample makes propeller 202 all be wrapped in diversion pipe 203, so as to be conducive to accelerate current, improves the thrust of propeller 202.

In the optional scheme of the embodiment, the internal diameter of diversion pipe 203 is more than the paddle diameter of propeller 202, to avoid spiral Paddle 202 collides the inner wall of diversion pipe 203.

In the optional scheme of the embodiment, the internal diameter of the mouth of pipe of front end 204 is more than the axial length of diversion pipe 203；Rear end The internal diameter of 205 mouth of pipe is more than the axial length of diversion pipe 203.

Embodiment two

Referring to shown in Fig. 5 to Figure 11, the utility model embodiment two provides a kind of propeller, including power set 201, Propeller 202 and propeller flow passage structure；Diversion pipe 203 is fixedly connected with the housing 211 of power set 201, power set 201 For driving propeller 202 to rotate.

In the optional scheme of the embodiment, propeller further includes stator blade structure, and stator blade structure is consolidated with propeller flow passage structure Fixed connection, that is to say, that stator blade structure is fixedly connected with diversion pipe 203.

In the optional scheme of the embodiment, stator blade structure includes installing ring 101 and multiple stator blades 102；Multiple stator blades 102 are fixedly connected with the inner wall of installing ring 101, and multiple stator blades 102 radially distribute, wherein, the length of stator blade 102 The one end in direction is fixedly connected with installing ring 101, and the other end of the length direction of stator blade 102 is fixedly connected with conducting element 103； Conducting element 103 has opposite inner end 105 and outer end 104, and outer end 104 is tapered.

Specifically, installing ring 101 in a ring, multiple stator blades 102 using the ring heart of installing ring 101 in radial It is distributed, the central angle between two neighboring stator blade 102 is equal.Conducting element 103 is column structure, and conducting element 103 is positioned at installation Enclose at 101 ring heart, i.e. the axis collinear of the axis of conducting element 103 and installing ring 101.Inner end 105 towards propeller 202, And inner end 105 is close to propeller 202, and outer end 104 deviates from propeller 202, and outer end 104 is away from propeller 202.Outer end Portion 104 is in coniform, and the end face of outer end 104 is smooth cambered surface.It should be noted that in the implementation, inner end 105 Can be in coniform, and the end face of inner end 105 is smooth cambered surface, can so be reduced, the inner end 105 of conducting element 103 To the resistance of current, so as to be conducive to improve the thrust of propeller；Further, since the propulsion body of small underwater unmanned vehicles Product cannot be too big, so as to limit the propulsive efficiency of the output of propeller, and just current can be carried out after using stator blade 102 Guiding, so as to be conducive to be lifted the efficiency of propeller.

The stator blade structure that the embodiment provides, when in use, by by the power set 201 of installing ring 101 and propeller Housing 211 be fixedly connected after, when submarine navigation device is in retroversion or steering, multiple stator blades 102 and conducting element 103 1 act as To stop sea grass, algae etc., so as to avoid sea grass, algae from influencing the normal work of propeller 202, power set are protected 201；In addition be conducive to improve the flow field near propeller 202 using stator blade, effectively improve the efficiency of propeller.

In the optional scheme of the embodiment, the unilateral and installing ring 101 of stator blade 102 it is axially in parallel.Need what is illustrated It is that in the embodiment, stator blade 102 can also have geometric twist, that is, the unilateral of stator blade 102 is not orthogonal to propeller 202 radial section, the torsional direction of the geometric twist of stator blade 102 can be with the geometric twist of the blade of propeller 202 Torsional direction is on the contrary, so can be with the fluid torsion of the generation of symmetric screw propeller 202, so as to make aircraft fuselage more steady.

In the optional scheme of the embodiment, stator blade 102 include wide facial 106 and with wide facial 106 leptoprosopy being connected Portion 107, wide facial 106 unilateral width are more than the unilateral width in leptoprosopy portion 107；Wide facial 106 consolidate with the inner wall of installing ring 101 Fixed connection, leptoprosopy portion 107 is fixedly connected with conducting element 103.

Specifically, smoothly transit connection between wide facial 106 and leptoprosopy portion 107.Wide facial 106 are with leptoprosopy portion 107 Integrative-structure.

In the optional scheme of the embodiment, on the axial direction of installing ring 101, installing ring 101 is stretched out in outer end 104 Outside, is so conducive to the stopping to seaweed etc. early of conducting element 103；Wide facial 106 stretch out the inner side of installing ring 101.

In the optional scheme of the embodiment, installing ring 101 is connected together with diversion pipe 203.

Specifically, installing ring 101 includes stopper section 108 and cartridge part 109, and the outside diameter of cartridge part 109 is less than stopper section 108 outside diameter；Multiple engaging boss 110 are laid with the circumferential direction of the outer wall of cartridge part 109.Stopper section 108 and cartridge part 109 are equal In annular shape.Multiple positioning convex platforms are also laid with the circumferential direction of the outer wall of cartridge part 109.The quantity of positioning convex platform be four, four A positioning convex platform is divided into two first boss 111 and two second boss 112, and two first boss 111 are symmetrical, two Two boss 112 are symmetrical.It is corresponding with the card hole 209 on diversion pipe 203 to engage boss 110, and engage boss 110 to block Together in the card hole 209 on diversion pipe 203.Positioning convex platform is corresponding with the locating slot 210 on the mouth of pipe of front end 204, convex In the spacing locating slot 210 of platform, positioned when being installed with realizing；I.e. after positioning convex platform is positioned with 210 phase of locating slot, it just can make engaging Boss 110 is corresponding with the card hole 209 on diversion pipe 203.It should be noted that propeller can also be realized by first boss It is bolted between hull, reduces vibrations, is ensured concentric.

Embodiment three

The utility model embodiment provides a kind of submarine navigation device, includes the propeller and aircraft of the offer of embodiment two Fuselage.Propeller can be installed on the afterbody of aircraft fuselage, can also be installed on the head of aircraft fuselage, can also install In the both sides of aircraft fuselage.

Finally it should be noted that：Various embodiments above is only to illustrate the technical solution of the utility model, rather than it is limited System；Although the utility model is described in detail with reference to foregoing embodiments, those of ordinary skill in the art should Understand：It can still modify the technical solution described in foregoing embodiments, either to which part or whole Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly The scope of each embodiment technical solution of type.In addition, it will be appreciated by those of skill in the art that although some implementations described herein Example includes some features included in other embodiments rather than further feature, but the combination of the feature of different embodiments is anticipated Taste within the scope of the utility model and forms different embodiments.For example, in the following claims, institute The one of any of claimed embodiment mode can use in any combination.

Claims (10)

1. a kind of propeller flow passage structure, it is characterised in that including diversion pipe, the diversion pipe has opposite front end with after End, the radial section of the diversion pipe is in annular shape；

Along the axial direction of the diversion pipe, the outside diameter of the diversion pipe is gradually reduced from the rear end to the front end；

Along the axial direction of the diversion pipe, the internal diameter of the diversion pipe is first gradually decrease to from the rear end to the front end One setting value, then gradually increased by first setting value.

2. propeller flow passage structure according to claim 1, it is characterised in that further include pick-and-place components and fastener；It is described Pick-and-place components and the fastener are both secured on the mouth of pipe of the rear end.

3. propeller flow passage structure according to claim 2, it is characterised in that the pick-and-place components are with the fastener in institute State symmetrical on the mouth of pipe of rear end.

4. propeller flow passage structure according to any one of claim 1-3, it is characterised in that on the tube wall of the front end Offer card hole.

5. propeller flow passage structure according to claim 4, it is characterised in that positioning is offered on the mouth of pipe of the front end Groove.

6. propeller flow passage structure according to any one of claim 1-3, it is characterised in that the axial direction of the diversion pipe Length is more than the width of the blade of propeller.

7. propeller flow passage structure according to any one of claim 1-3, it is characterised in that the internal diameter of the diversion pipe More than the paddle diameter of propeller.

8. propeller flow passage structure according to any one of claim 1-3, it is characterised in that the mouth of pipe of the front end Internal diameter is more than the axial length of the diversion pipe；The internal diameter of the mouth of pipe of the rear end is more than the axial length of the diversion pipe.

9. a kind of propeller, it is characterised in that including power set, propeller and as any one of claim 1-8 Propeller flow passage structure；The diversion pipe is fixedly connected with the housing of the power set, and the power set are used to drive institute State propeller rotation.

10. a kind of submarine navigation device, it is characterised in that including the propeller described in claim 9.