CN105799894A - Guide rod swinging type cycloidal propeller with amplifying mechanism - Google Patents
Guide rod swinging type cycloidal propeller with amplifying mechanism Download PDFInfo
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- CN105799894A CN105799894A CN201610165317.XA CN201610165317A CN105799894A CN 105799894 A CN105799894 A CN 105799894A CN 201610165317 A CN201610165317 A CN 201610165317A CN 105799894 A CN105799894 A CN 105799894A
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- guide rod
- slide block
- revolution case
- blade
- connecting rod
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H1/00—Propulsive elements directly acting on water
- B63H1/02—Propulsive elements directly acting on water of rotary type
- B63H1/04—Propulsive elements directly acting on water of rotary type with rotation axis substantially at right angles to propulsive direction
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- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
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Abstract
The invention discloses a guide rod swinging type cycloidal propeller with an amplifying mechanism. The guide rod swinging type cycloidal propeller comprises a motor, a rotary box, blades and at least one steering engine; the motor drives the rotary box to rotate through a main shaft and connecting shafts, the upper end of each blade is provided with a blade shaft, and the blade shafts are connected with the rotary box through bearings; a guide rod-slide block mechanism is arranged in the rotary box and comprises star-shaped connecting rods, slide block shafts and guide rods, the star-shaped connecting rods comprise a central shaft and a plurality of support rods, the quantity of the support rods, the quantity of the slide block shafts and the quantity of the guide rods are the same as that of the blades separately, correspondingly, the slide block shafts are fixed to the ends of the support rods, the guide rods are provided with slide rails which can allow the slide block shafts to slide, and one end of each guide rod is fixed to the corresponding blade shaft; the cycloidal propeller further comprises a star-shaped connecting rod translation mechanism driven by the steering engines. According to the guide rod swinging type cycloidal propeller, the swinging rule of the blades of the cycloidal propeller can be achieved; meanwhile, nonpolar changes of the eccentricity ratio within a large range can be achieved, stepless changes of the propelling direction and the magnitude of propelling force within the range of 360 degrees can be achieved, and the excellent manipulating performance is achieved.
Description
Technical field
The invention belongs to special boat propeller manufacturing technology field, be specifically related to a kind of pendulum guide rod type cycloid thruster with enlarger.
Background technology
Cycloid thruster (CycloidalPropeller), it is made up of one group of sizing prismatic blade vertically stretched to water from hull, and blade circles around the central axis of hull, and according to certain rules around the axis oscillating of self.The vertical line that its characteristics of motion is the blade string of a musical instrument intersects at control point N all the time, by changing the position of control point N, can change the swaying movement regularity of blade, it may be achieved the electrodeless change of direction of propulsion and size within the scope of 360 °.Therefore it has the maneuvering performance of excellence, is greatly improved the motility of boats and ships.
Cycloid thruster has and a variety of realizes mechanism, is broadly divided into adjustable two classes of the irreconcilable eccentricity of eccentricity.The displacement size at the control point of the nonadjustable cycloid thruster of eccentricity cannot change, and therefore maneuvering performance is poor.The eccentricity of the adjustable cycloid thruster of eccentricity can electrodeless change within the specific limits, thrust size can be changed by changing eccentricity size or propeller rotating speed, thus obtaining the maneuvering performance of excellence.In the past designed cycloid thruster, adjustable for realizing eccentricity, its structure is often complex, reduces reliability.Structure relatively simple cycloid thruster eccentricity is non-adjustable, it is impossible to give full play to its maneuvering performance.Therefore, a kind of adjustable and reliable New-type cycloidal propeller of eccentricity of design is significant.
Summary of the invention
The problem to be solved in the present invention is to provide one, and eccentricity is adjustable, efficiency is high, reliable pendulum guide rod type cycloid thruster.
In order to solve above-mentioned technical problem, the present invention adopts the following technical scheme that the pendulum guide rod type cycloid thruster with enlarger, including motor, revolution case, blade and at least one steering wheel, described motor is by main shaft and connects axle driving described revolution case revolution, the upper end of described blade has a sharf, described sharf is connected with described revolution case by bearing, it is provided with guide rod slide block mechanism in described revolution case, described guide rod slide block mechanism includes star connecting rod, slide block axle and guide rod, described star connecting rod includes central shaft and some poles, described pole, slide block axle, the quantity of guide rod is consistent with the quantity of described blade respectively, corresponding, described slide block axle is fixed on the end of described pole, described guide rod is provided with the slide rail being available for described slide block axle sliding, one end of described guide rod and described sharf are fixed；This cycloid thruster also includes by the star connecting rod translation mechanism of described servo driving.
Described star connecting rod translation mechanism includes controlling bar, described main shaft has a centre bore, the upper end of described control bar is pushed directly on by described steering wheel, and the middle part of described control bar is through the centre bore of described main shaft, and the lower end of described control bar is connected with the central shaft of described star connecting rod.
The plain radial bearing that the middle part with described control bar matches it is provided with in the centre bore of described main shaft.
The central shaft of described star connecting rod is provided with a groove, is provided with the spherical plain bearing rod end that the lower end with described control bar matches in this groove.
Described guide rod slide block mechanism is connected with described revolution case by lazy-tongs.
Described lazy-tongs include revolution case guide rail and crosshead shoe, the end face of described crosshead shoe and bottom surface are respectively equipped with groove and boss, groove and the boss of described crosshead shoe are mutually perpendicular to, described revolution case guide rail is fixed on the base plate of described revolution case, the boss of described crosshead shoe and described revolution case guide rail match, the bottom surface of described central shaft is provided with the groove match of boss, the boss of described central shaft and described crosshead shoe.
Described revolution case guide rail is positioned on the diameter line of described revolution case.
The effective length of described revolution case guide rail is more than the difference of the described blade radius of gyration Yu single pole effective length.
Described steering wheel has two, and two steering wheels are located in two mutually orthogonal directions.
Described slide rail is the through hole of bar shaped.
The invention provides a kind of pendulum guide rod type cycloid thruster with enlarger, it perfect can realize the swaying movement regularity of blade of cycloid thruster, the eccentricity electrodeless change in a big way can be realized simultaneously, propulsive force electrodeless change of direction of propulsion and size within the scope of 360 ° can be realized, there is the maneuvering performance of excellence.Meanwhile, its simple in construction, reliable, practical implementation requirement can be met.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described further:
Fig. 1 is the structural representation of one embodiment of pendulum guide rod type cycloid thruster of the present invention；
Fig. 2 is the internal structure schematic diagram turning round case in Fig. 1 embodiment；
Fig. 3 is that pendulum guide rod realizes mechanical work principle figure；
Fig. 4 is that eccentric throw amplification realizes mechanism and synchronous revolving realizes mechanical work principle figure.
Detailed description of the invention
As depicted in figs. 1 and 2, pendulum guide rod type cycloid thruster with enlarger, including motor 1, revolution case 2, blade 6 and at least one steering wheel 3, described motor drives described revolution case 2 to turn round by the driving gear being sequentially connected with, driven gear, main shaft 4 and connection axle 5, the upper end of described blade 6 has a sharf 61, described sharf 61 is connected with described revolution case 2 by bearing, and revolution case 2 band moving vane 6 turns round.
As shown in Figure 2, it is provided with guide rod slide block mechanism in described revolution case, described guide rod slide block mechanism includes star connecting rod 21, slide block axle 22 and guide rod 23, described star connecting rod includes central shaft 211 and some poles 212, described pole 212, slide block axle 22, guide rod 23 quantity consistent with the quantity of described blade 6 respectively, corresponding, described slide block axle is fixed on the end of described pole, described guide rod is provided with the through hole of the bar shaped being available for described slide block axle sliding, and one end of described guide rod and described sharf are fixed；This cycloid thruster also includes by the star connecting rod translation mechanism of described servo driving.Described steering wheel has two, and two steering wheels are located in two mutually orthogonal directions.Two steering wheels can control bar displacement size in two mutually orthogonal directions respectively.Star connecting rod drives guide rod and the blade oscillating being connected on guide rod by slide block axle.
Described star connecting rod translation mechanism includes controlling bar 7, described main shaft 4 has a centre bore, the upper end of described control bar is pushed directly on by described steering wheel, the centre bore of the described main shaft of middle part traverse of described control bar, being provided with the plain radial bearing 8 that the middle part with described control bar matches in the centre bore of described main shaft, plain radial bearing 8 is as the fulcrum controlling bar.The lower end of described control bar is connected with the central shaft 211 of described star connecting rod.The central shaft of described star connecting rod is provided with a groove, is provided with the spherical plain bearing rod end 9 that the lower end with described control bar matches in this groove.Star connecting rod translation is driven to make guide rod swing by controlling bar, thus controlling swinging by rule of blade, it is achieved the change of direction of propulsion and size.
Described guide rod slide block mechanism is connected with described revolution case by lazy-tongs.Described lazy-tongs include revolution case guide rail 24 and crosshead shoe 25, end face and the bottom surface of described crosshead shoe 25 are respectively equipped with groove and boss, groove and the boss of described crosshead shoe are mutually perpendicular to, described revolution case guide rail 24 is fixed on the base plate 27 of described revolution case, the boss of described crosshead shoe 25 and described revolution case guide rail 24 match, the bottom surface of described central shaft 211 is provided with boss 26, the groove match of the boss of described central shaft 26 and described crosshead shoe 25.Described revolution case guide rail 24 is positioned on the diameter line of described revolution case.The effective length of described revolution case guide rail 24 is more than the difference of the described blade radius of gyration Yu single pole effective length, the effective length of described revolution case guide rail is crosshead shoe on revolution case guide rail can sliding the ultimate range away from revolution case center, the described blade radius of gyration is the center distance to the center of rotary disk 2 of sharf 61, and single pole effective length refers to the star connecting rod center distance to slide block axle center.
Motor is secured by bolts on upper cover, and upper cover is bolted on fixed installation plate, and fixed installation plate is arranged on bottom of ship.Motor output shaft is connected with driving gear by key, and driving gear bottom adopts shaft end ring to carry out axle head and fixes, and makes shaft end ring fasten with screw.Driving gear engages with driven gear, driven gear is fixed on main shaft by screw, main shaft is installed on main shaft mounting blocks by angular contact ball bearing, and main shaft mounting blocks is fixed by screws on fixed installation plate, seals with lip-type packing between main shaft mounting blocks and main shaft.Main shaft by screw with is connected that axle is fixing to be connected, connect axle and be connected by screw is fixing with revolution cover plate, revolution cover plate is fixed with revolution case by screw and is connected, and turns round case and passes through screw and be connected with turning round box plate and fixing.On blade, mounting seat is connected by screw is fixing with revolution cover plate, under blade, mounting seat is connected by screw is fixing with revolution box plate, sharf connects respectively through angular contact bearing, and angular contact bearing carries out axle head respectively through mounting seat cover plate, axle sleeve and little round nut on blade to be fixed.Under blade, mounting seat and blade between centers lip-type packing seal.
Two steering wheels are respectively perpendicular and are fixed on upper cover, two steering wheels respectively with control bar upper end thereof, control to coordinate with plain radial bearing inner ring in the middle part of bar, plain radial bearing outer ring is fixed on main shaft, and plain radial bearing axle head is fixed by lever fixed block.Control bar lower end to coordinate with spherical plain bearing rod end inner ring, spherical plain bearing rod end outer ring is fixed on bearing mounting blocks, bearing mounting blocks is hinged with star connecting rod, installs anticreep cover plate in upper end, star connecting rod center and prevents bearing mounting blocks from deviating from, and anticreep cover plate is fixed on star connecting rod by screw.
Two steering wheels are by controlling the displacement in orthogonal both direction of the bar Reverse Turning Control star connecting rod center.Star connecting rod and the synchronous revolving of revolution case can be realized by cross slides.Star connecting rod end is hinged with slide block axle, and slide block axle is formed with guide rod and is slidably connected, and slide block axle two ends are fixed by packing ring and screw axle head.Guide rod is connected by key and sharf are fixing, and guide rod axle head on sharf is fixed by the shaft shoulder and axle sleeve.Star connecting rod drives sharf to press cycloid rule by the slide block axle in oscillating guidebar mechanism and guide rod and swings.Overall structure of the present invention is simple, reliably, perfection can realize blade by the swing of cycloid rule, and can make eccentricity electrodeless change in a big way, can obtain the maneuvering performance of excellence.
The operation principle of the cycloid thruster of six blades is as shown in Figure 3, it is assumed that O point is the central axis of cycloid thruster, and A, B, C, D, E, F point is sharf respectively, and the vertical line of the blade string of a musical instrument intersects at control point P.When blade is around O point rotated counterclockwise by angle α °, it will be assumed that sharf geo-stationary, control point P turns clockwise angle [alpha] ° around center O.
Application oscillating guidebar mechanism, P place, control point is designed as slide block, the blade string of a musical instrument vertical line PA, PB, PC, PD, PE, PF are designed as guide rod, and be connected with sharf A, B, C, D, E, F, slide block P can rotate around central shaft O point, and drive cycloid thruster blade oscillating by guide rod, cycloid thruster operation principle can be realized.Now, the distance of PO is eccentric throw, can realize the stepless change of eccentric throw by changing the position of slide block P, as shown in Figure 3.
If simple application oscillating guidebar mechanism, for realizing continuously adjustabe in eccentricity 0～1 scope, then the physical dimension of guide rod need to be equal to diameter, and control point displacement adjustable distance is required to be in radius.For reducing guide rod length and control point shift length, on the basis of oscillating guidebar mechanism, design star connecting rod WGHIJKL and 6 slide block G, H, I, J, K, L chain connection realizes eccentric throw amplification.When star connecting rod center moves to W point, the distance OW between the center W point of star connecting rod and propeller center O point is star connecting rod actual shifts distance, as shown in Figure 2.Now, the extension line of guide rod intersects at a P, and it is the actual control point of blade, and P point is on the extended line of OW, and its distance OP with center O is more than OW.Therefore, the amplification of eccentric throw can be realized by star connecting rod mechanism, thus reducing the actual shifts distance needed for the physical dimension of guide rod and center control point.
For guaranteeing that above-mentioned eccentric throw enlarger can accurately control blade oscillating, it is necessary to assure star connecting rod and revolution case synchronous rotary, namely ensure that in Fig. 4, the WG of star shaft portion is parallel all the time with the OA of revolution case part.Additionally, need to guarantee to move within the specific limits centered by star connecting rod Ke Yi center O.
For this, cross slides is adopted to ensure star connecting rod and revolution case synchronous rotary, (O is revolution case center, and P is control point, and A, B, C, D, E, F point is sharf as shown in Figure 4, PA, PB, PC, PD, PE, PF are guide rod, W point is the center of star connecting rod, and G, H, I, J, K, L are slide block, and Q is crosshead shoe, MN is the guide rail on revolution case, and WG is the guide rail on star connecting rod).Moving sets is formed with the guide rail WG on star connecting rod by the top shoe of crosshead shoe Q, sliding block forms moving sets with the slide rail MN on revolution case, thus ensureing that star connecting rod can move within the scope of horizontal plane X-axis, Y-axis both direction certain distance, and ensure that star connecting rod remains parallel with revolution case, namely realize star connecting rod and revolution case synchronous rotary.
Realize in mechanism above-mentioned, the continuously adjustabe of the eccentricity size and Orientation to cycloid thruster can be realized by controlling the position of star connecting rod center W, so that blade swings by rule.
Claims (10)
1. the pendulum guide rod type cycloid thruster with enlarger, including motor, revolution case, blade and at least one steering wheel, described motor is by main shaft and connects axle driving described revolution case revolution, the upper end of described blade has a sharf, described sharf is connected with described revolution case by bearing, it is characterized in that: in described revolution case, be provided with guide rod slide block mechanism, described guide rod slide block mechanism includes star connecting rod, slide block axle and guide rod, described star connecting rod includes central shaft and some poles, described pole, slide block axle, the quantity of guide rod is consistent with the quantity of described blade respectively, corresponding, described slide block axle is fixed on the end of described pole, described guide rod is provided with the slide rail being available for described slide block axle sliding, one end of described guide rod and described sharf are fixed；This cycloid thruster also includes by the star connecting rod translation mechanism of described servo driving.
2. the pendulum guide rod type cycloid thruster with enlarger according to claim 1, it is characterized in that: described star connecting rod translation mechanism includes controlling bar, described main shaft has a centre bore, the upper end of described control bar is pushed directly on by described steering wheel, the middle part of described control bar is through the centre bore of described main shaft, and the lower end of described control bar is connected with the central shaft of described star connecting rod.
3. the pendulum guide rod type cycloid thruster with enlarger according to claim 2, it is characterised in that: it is provided with the plain radial bearing that the middle part with described control bar matches in the centre bore of described main shaft.
4. the pendulum guide rod type cycloid thruster with enlarger according to claim 2, it is characterised in that: the central shaft of described star connecting rod is provided with a groove, is provided with the spherical plain bearing rod end that the lower end with described control bar matches in this groove.
5. the pendulum guide rod type cycloid thruster with enlarger according to claim 2, it is characterised in that: described guide rod slide block mechanism is connected with described revolution case by lazy-tongs.
6. the pendulum guide rod type cycloid thruster with enlarger according to claim 5, it is characterized in that: described lazy-tongs include revolution case guide rail and crosshead shoe, the end face of described crosshead shoe and bottom surface are respectively equipped with groove and boss, groove and the boss of described crosshead shoe are mutually perpendicular to, described revolution case guide rail is fixed on the base plate of described revolution case, the boss of described crosshead shoe and described revolution case guide rail match, the bottom surface of described central shaft is provided with the groove match of boss, the boss of described central shaft and described crosshead shoe.
7. the pendulum guide rod type cycloid thruster with enlarger according to claim 6, it is characterised in that: described revolution case guide rail is positioned on the diameter line of described revolution case.
8. the pendulum guide rod type cycloid thruster with enlarger according to claim 6, it is characterised in that: the effective length of described revolution case guide rail is more than the difference of the described blade radius of gyration Yu single pole effective length.
9. the pendulum guide rod type cycloid thruster with enlarger according to claim 1, it is characterised in that: described steering wheel has two, and two steering wheels are located in two mutually orthogonal directions.
10. the pendulum guide rod type cycloid thruster with enlarger according to claim 1, it is characterised in that: described slide rail is the through hole of bar shaped.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610165317.XA CN105799894B (en) | 2016-03-22 | 2016-03-22 | Pendulum guide rod type cycloid thruster with enlarger |
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| CN201610165317.XA CN105799894B (en) | 2016-03-22 | 2016-03-22 | Pendulum guide rod type cycloid thruster with enlarger |
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| CN105799894B CN105799894B (en) | 2017-10-27 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106321371A (en) * | 2016-11-07 | 2017-01-11 | 郑志刚 | Cycloid paddle capable of being used for wind power, hydropower, navigation and aviation |
| CN109501537A (en) * | 2018-11-13 | 2019-03-22 | 中国船舶工业集团公司第七0八研究所 | Speeder in a kind of water of wheeled amphibious vehicle |
| CN112977783A (en) * | 2021-03-26 | 2021-06-18 | 吉林大学 | Eccentric control mechanism of cycloid propeller |
| CN113022830A (en) * | 2021-03-26 | 2021-06-25 | 吉林大学 | Blade swing control mechanism of cycloid propeller |
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| DE19850954C1 (en) * | 1998-11-05 | 2000-02-03 | Voith Hydro Gmbh & Co Kg | Cycloidal propeller for marine vessel |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106321371A (en) * | 2016-11-07 | 2017-01-11 | 郑志刚 | Cycloid paddle capable of being used for wind power, hydropower, navigation and aviation |
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| CN112977783A (en) * | 2021-03-26 | 2021-06-18 | 吉林大学 | Eccentric control mechanism of cycloid propeller |
| CN113022830A (en) * | 2021-03-26 | 2021-06-25 | 吉林大学 | Blade swing control mechanism of cycloid propeller |
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