CN204666333U - The adjustable drive system of a kind of water tunnel test underwater sailing body - Google Patents
The adjustable drive system of a kind of water tunnel test underwater sailing body Download PDFInfo
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- CN204666333U CN204666333U CN201420371843.8U CN201420371843U CN204666333U CN 204666333 U CN204666333 U CN 204666333U CN 201420371843 U CN201420371843 U CN 201420371843U CN 204666333 U CN204666333 U CN 204666333U
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Abstract
The utility model relates to a kind of water tunnel test multiple degrees of freedom underwater sailing body drive system, belongs to Hydraulic and Hydro-Power Engineering, marine ship and submarine navigation device field of engineering technology.Comprise sail body test model, mounting system and propulsion system; This system can also ensure cavitation device and empennage precise rotational motion while can realizing integral pitch motion; And the change of the rotational speed of entirety, cavitation device and empennage can be realized.
Description
Technical field
The utility model relates to a kind of water tunnel experiment multiple degrees of freedom underwater sailing body drive system, belongs to Hydraulic and Hydro-Power Engineering, marine ship and submarine navigation device field of engineering technology.
Background technology
Aircraft field of engineering technology under water, supercavitating vehicle is a kind of new-type Tres Haute Vitesse. Ammunition, and it develops based on the physical characteristics of supercavitation.Be different from conventional aircraft, its most surfaces is wrapped up by supercavity, only has head to contact with water with tail portion wetted surface, and its stroke resistance reduces greatly.Right underwater sailing body wants to reach natural supercavitation, then need the very high speed of a ship or plane, in order to also can reach the object that cavity wraps up whole sail body surface under relatively low speed, researcher passes into gas to sail body surface artificially, form ventilated supercavitation, reach velocity increased by resistance reduction effect.But, sail body surface major part is by gas wrapping, the original stress balance of sail body is caused to change, it is in motion process, any little disturbance (as disturbance when launching, ocean current and wave etc.) all can make sail body afterbody and cavity vapour (gas) water termination generation continuous print cycle collide, and has deathblow to the stability of sail body structure and reliability.Moreover the deadly defect of active service supercavitating vehicle is not guided function and can only do depthkeeping line navigation, and fighting efficiency is very limited.Therefore, cavity metamorphosis in understanding supercavitating vehicle turning motion process and the analysis of corresponding fluids kinematic behavior are that supercavitating vehicle controls the basis with the Structural Design, also being can the gordian technique place of motor-driven supercavitating vehicle design, having great significance to developing long-range guidance supercavity weapon future.
At present the research work of supercavitating vehicle is carried out based under stationary body mostly, dynamic aspect is also is mostly carry out based on the numerical evaluation of entirety, to rarely have relate to sail body motion process cavitation device and empennage deflection on the research that its hydrodynamic force affects.
Utility model content
The purpose of this utility model is the deficiency for existing research means, provides a kind of adjustable drive system of sail body that can be used for water tunnel test, and this system can also ensure cavitation device and empennage precise rotational motion while can realizing integral pitch motion; And the change of the rotational speed of entirety, cavitation device and empennage can be realized.
The purpose of this utility model is achieved through the following technical solutions.
The adjustable drive system of a kind of water tunnel test underwater sailing body, comprises sail body test model, mounting system and propulsion system;
Described sail body test model comprises cavitation device, revolute pair connecting link, kuppe, cone shell of column, empennage, empennage support bar, power transmission line fixed pin, empennage connecting pin and empennage fixed pin;
Described cavitation device is tapered disk, and on conehead roundlet end face, symmetry offers two through holes;
Described revolute pair connecting link is made up of base, connecting link and a set of bolt and nut; Base is " convex " type structure, " convex " type end cavetto and side is offered a through hole; Connecting link is " recessed " shape structure, and two sidewalls of symmetry offer a through hole respectively, and the through hole that two through holes and base are offered on the same line; A screw thread straight-bar is stretched out in " recessed " shape structure center of underside;
Described kuppe is tapered disk, and it 5/6 puts sky in the axial direction from large round end surface; Roundlet end face center has a threaded hole, and centered by threaded hole, symmetry offers two through holes, and size, the position of through hole are mated with two through holes of cavitation device;
Described cone shell of column leading portion is conical, and head is tack, and back segment is hollow cylinder; Front intersegmental part 17/18 puts sky in the axial direction from bottom to head; Center, tack face has a threaded hole, and centered by threaded hole, symmetry offers two through holes; Hole on threaded hole, two through hole and kuppe matches; Conical side face evenly offers some apertures, is convenient to ventilation; Back segment is hollow cylinder, wherein offers screw thread away from inside, conical one end;
Described empennage is the straight triangular prisms of isosceles, two parts sized by point; The isosceles side of winglet has a unthreaded hole, and for connecting empennage fixed pin, another isosceles side has countersunk head threaded hole; The diameter of countersunk head threaded hole is less than the diameter of empennage fixed pin, and unthreaded hole communicates and dead in line with threaded hole; A unthreaded hole is had on threaded hole both sides; A threaded hole is separately offered between two unthreaded holes; In bottom surface near having a rectangular channel for the winglet unthreaded hole place connecting empennage fixed pin; A threaded hole is offered in the non-isosceles side of winglet, and threaded hole is connected with rectangular channel; The isosceles side of the large wing has two unthreaded holes, has a countersunk head tapped through hole between unthreaded hole, and unthreaded hole and threaded hole and winglet match;
Empennage can be the straight wing also can be folding wings.
Described empennage support bar is part hollow right cylinder, is symmetrical arranged two through holes at cylindrical end face; Cylinder diameter divides two-stage to change vertically, is defined as one-level bar and secondary bar successively according to diameter order from small to large; One-level bar is hollow external thread rod; Secondary bar is part hollow right cylinder, side face with two symmetrical through hole circle center line connecting vertical direction vertically symmetry cut out two rectangle planes; The geometric center place of rectangle plane has through hole, for connecting empennage fixed pin; Rectangle plane is fixed with between through hole and the one end away from one-level bar two " L-type " draw-in grooves, and two inner symmetric positions up and down of draw-in groove have through hole, for stationary power drive line; Secondary bar not connected component between right cylinder interior bone and the one end away from one-level bar; On connected component, symmetry does not offer two holes, and one is threaded hole one is through hole.
Described empennage fixed pin is cylindrical straight-bar, and two ends have threaded hole, and side face is near the upper and lower symmetric position in end along cylindrical straight rod axis having a threaded hole, and the threaded hole on the non-isosceles side of this threaded hole and winglet matches;
Described empennage connecting pin is standard component pin, two ends cavetto;
Described power transmission line fixed pin is cylinder type hollow straight-bar;
Described mounting system comprises power transmission line fixed bar, suspension pole, power transmission line fixed-wing, pallet and long supporting plate, short supporting plate;
Described power transmission line fixed bar is eccentric hollow cylindrical straight-bar, and its body diameter divides Pyatyi to change vertically, is defined as one-level bar, secondary bar, three grades of bars and level Four bar successively according to diameter order from small to large; Wherein three grades of bars are divided into two parts, lay respectively at level Four bar both sides; One-level masthead end offers threaded hole, and threaded hole and eccentric through-hole are arranged symmetrically with; Four long thin hollow sleeve are evenly fixed in level Four bar side; Away from the part of one-level bar in three grades of bars, end face is evenly arranged four threaded holes, and be that a cannulated threaded bar is stretched out at the coaxial place of eccentric through-hole, hollow diameters and eccentric through-hole are directly consistent;
Described suspension pole is an end disc, and disk eccentric position has a through hole, and the diameter of through hole is greater than the diameter of hollow threaded rod on power transmission line fixed bar; Disk evenly has four threaded holes; The other end is square straight plate, straight plate has a through hole; Near between the first two through hole of disk, fix a base, the structure of base is identical with revolute pair connecting link base, for connecting power transmission line fixed-wing;
Described power transmission line fixed-wing is naca series aerofoil sections, and aerofoil profile end face has a through hole, and 6 holes wherein away from aerofoil profile leading edge are corresponding with the hole on suspension pole; Stretch out the square connecting link of a groove between two through holes being suspension pole base same position, connecting link connects suspension pole by bolt and nut; Symmetrical place offers threaded hole with the square connecting link of groove;
Described pallet divides upper and lower two parts, and upper part is positioned at experimental section inside, and entirety is discoid, and center has aerofoil profile groove, has a tapped through hole in groove, and the position of threaded hole is corresponding with the threaded hole on power transmission line fixed-wing; Aerofoil profile groove symmetria bilateralis has four threaded holes; Lower part is positioned at experimental section outside, and lower part tray center place has rectangular channel and two threaded holes; Centered by rectangular channel, symmetry offers four threaded holes, and four threaded holes are corresponding with the threaded hole position of upper part;
Described propulsion system comprise stepper motor, speed reduction unit and power transmission line;
Described power transmission line is flexible steel wire, outside with plastic jacket.
Annexation: revolute pair connecting link base square end is fixed on cavitation device roundlet end face center, " convex " type end is connected with connecting link " groove " by bolt and nut, kuppe is connected with cone shell of column by connecting link screw thread straight-bar successively, ensures that the symmetrical through hole that cavitation device, kuppe and cone shell of column are offered is positioned on straight line during installation; In two through holes that the one-level burr face of two power transmission line fixed pin partial insertion empennage support bars is offered; The one-level bar of empennage support bar is connected with cone shell of column back segment by screw thread; Empennage fixed pin inserts the through hole offered in the rectangle plane that empennage support bar cuts out, and ensures that two ends extension is identical and two threaded holes that side face is offered are positioned at top and the bottom during installation; Two ends extension is connected with the unthreaded hole coaxial with threaded hole that the winglet of empennage is offered respectively, locked by screw, prevents winglet and empennage fixed pin generation relative translational movement; The threaded hole that winglet rectangle sides is offered is connected with empennage fixed pin by screw, prevents winglet and empennage fixed pin from relatively rotating; The half of two empennage connecting pins is inserted in the less unthreaded hole of two sizes that winglet is offered respectively, another part inserts in raw two unthreaded holes offered of the large wing, prevent winglet and the large wing from relatively rotating, then by screw by winglet and the large wing locked, prevent both occur relative translational movement; Power transmission line fixed bar one-level bar part is fixed by the threaded hole that screw and the inner not connected component of empennage support bar are offered, and is connected in three grades of bars away from one-level bar part by screw with suspension pole plate-like face; The square connecting link of groove that power transmission line fixed-wing stretches out is undertaken hinged by the base that the square straight plate in a set of bolt and nut and suspension pole is offered; Power transmission line fixed-wing is offered in screw thread nose end loading test intersegmental part pallet, is fixed by screw and water tunnel experiment section lower panel; Experimental section inner tray and outer trays are fixed by screws on water tunnel experiment section lower panel, and 7 holes that during installation, guarantee power transmission line fixed-wing is offered are positioned in experimental section outer trays offers rectangular channel; Long supporting plate is vertically fixed in experimental section outer trays by screw, and short pallets level is fixed on long supporting plate; Speed reduction unit and motor are arranged on short supporting plate after being fixed by screw respectively.
Speed reduction unit is used for reducing rotating speed and increasing torque, and motor is for driving the motion of sail body model.
Every platform machine shaft is wound around two power transmission lines, and winding direction is contrary, six roots of sensation drive line is through 6 logical size through holes that experimental section outer trays rectangular channel, water tunnel experiment section lower panel, the wing groove of experimental section inner tray and power transmission line fixed-wing are offered, wherein two connection suspension poles, control the mass motion of sail body model, another four through four long thin sleeves fixing on the through hole that suspension pole is offered and power transmission line fixed bar level Four bar, wherein two through the rectangular channel that two through holes that two " L " shape draw-in grooves in empennage support bar are offered and winglet are offered, be connected with the screw for there is relative translational movement between fixing winglet with empennage fixed pin, control the motion of empennage, remaining two are passed two through holes that empennage support bar end face is offered again, power transmission line fixed pin, two through holes that cone shell of column end face is offered and two through holes that kuppe end face is offered, be connected with cavitation device, control the motion of cavitation device.
The course of work:
The motion of cavitation device: starter motor, two power transmission lines motions that machine shaft will drive the direction of winding on it contrary, power transmission line connects cavitation device, is realized the motion of cavitation device by the degree of tightness of power transmission line;
The motion of empennage: start another motor, two power transmission lines motions that machine shaft will drive the direction of winding on it contrary, power transmission line connects the winglet in empennage, drives winglet motion, and then realize the motion of whole empennage by the degree of tightness of power transmission line;
Sail body model mass motion: start the 3rd motor, two power transmission lines motions that machine shaft will drive the direction of winding on it contrary, power transmission line connects suspension pole, drive suspension pole to carry out luffing by the degree of tightness of power transmission line, suspension pole drives whole sail body model to move by power transmission line fixed bar.
Beneficial effect
1, the adjustable drive system of a kind of water tunnel test underwater sailing body of the present utility model, experimental provision structure is simple, is easy to dismounting, ensures to complete efficiently, quickly test and obtain experimental data.
2, the adjustable drive system of a kind of water tunnel test underwater sailing body of the present utility model, saves space, cheap, economize energy, is applicable to the research of small-scale underwater vehicle body Model oscillation experiment.
3, the adjustable drive system of a kind of water tunnel test underwater sailing body of the present utility model, realizes Power output by stepper motor, thus quantitatively accurately can control the movement velocity of sail body model all parts.
4, the adjustable drive system of a kind of water tunnel test underwater sailing body of the present utility model, because different Electric Machine Control, can realize the synchronous or different motion of sail body model all parts.
Accompanying drawing explanation
Fig. 1 is the utility model underwater sailing body adjustable drive system assembling schematic perspective view;
Fig. 2 is the utility model sail body Model Mounting figure;
Fig. 3-4 is respectively the utility model sail body model cavitation device front elevation and left view;
Fig. 5-6 is respectively the secondary connecting link base right view of the utility model sail body model rotation and front elevation;
Fig. 7-8 is respectively the secondary connecting link front elevation of the utility model sail body model rotation and vertical view;
Fig. 9-10 is respectively the utility model sail body model kuppe front elevation and left view;
Figure 11 is the utility model sail body model cone shell of column front elevation;
Figure 12-13 is respectively the utility model sail body model cone shell of column left view and right view;
Figure 14-17 is respectively the utility model sail body model empennage winglet right view, upward view, front elevation and vertical view;
Figure 18-20 is respectively the large wing upward view of the utility model sail body model empennage, front elevation and vertical view;
Figure 21 is the utility model sail body model empennage support bar front elevation;
Figure 22-23 is respectively the utility model sail body model empennage support bar left view and right view
Figure 24-27 is respectively the utility model sail body model empennage fixed pin vertical view, front elevation, upward view and left view;
Figure 28 is the utility model mounting system power transmission line fixed bar front elevation;
It is the utility model mounting system power transmission line fixed bar left view and right view that Figure 29-30 is respectively;
Figure 31-32 is respectively the utility model mounting system suspension pole upward view and front elevation;
Figure 33-34 is respectively the utility model mounting system suspension pole left view and right view;
Figure 35-36 is respectively the utility model mounting system power transmission line fixed-wing front elevation and left view;
Figure 37-38 is respectively the utility model mounting system power transmission line fixed-wing upward view and vertical view;
Figure 39 is the utility model mounting system experimental section inner tray front elevation;
Figure 40-41 is respectively the utility model mounting system experimental section inner tray vertical view and upward view;
Figure 42 is the utility model mounting system experimental section outer trays front elevation;
Figure 43 is the utility model mounting system experimental section outer trays vertical view;
Figure 44-45 is respectively the long supporting plate front elevation of the utility model mounting system and left view;
Figure 46-47 is respectively the short supporting plate front elevation of the utility model mounting system and and vertical view.
Wherein, 1-cavitation device, 2-revolute pair connecting link, 3-kuppe, 4-cone shell of column, 5-empennage, 6-empennage support bar, 7-power transmission line fixed bar, 8-suspension pole, 9-power transmission line fixed-wing, 10-pallet, 11-water tunnel experiment section lower panel, 12-long supporting plate, 13-short supporting plate, 14-speed reduction unit, 15-motor, 16-power transmission line, 17-power transmission line fixed pin, 18-empennage connecting pin, 19-empennage fixed pin.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is described in detail.
Embodiment 1
The adjustable drive system of a kind of water tunnel test underwater sailing body, comprises sail body test model, mounting system and propulsion system, as shown in Figure 1;
Described sail body test model comprises cavitation device 1, revolute pair connecting link 2, kuppe 3, cone shell of column 4, empennage 5, empennage support bar 6, power transmission line fixed pin 17, empennage connecting pin 18 and empennage fixed pin 19, as shown in Figure 2;
Described cavitation device 1 is tapered disk, and on conehead roundlet end face, symmetry offers two through holes, as shown in Figure 3-4;
Described revolute pair connecting link 2 is made up of base, connecting link and a set of bolt and nut; Base is " convex " type structure, " convex " type end cavetto and side is offered a through hole, as seen in figs. 5-6; Connecting link is " recessed " shape structure, and two sidewalls of symmetry offer a through hole respectively, and the through hole that two through holes and base are offered on the same line; A screw thread straight-bar is stretched out, as Figure 7-8 in " recessed " shape structure center of underside;
Described kuppe 3 is tapered disk, and it 5/6 puts sky in the axial direction from large round end surface; Roundlet end face center has a threaded hole, and centered by threaded hole, symmetry offers two through holes, and size, the position of through hole are mated with two through holes of cavitation device 1, as shown in figs. 9-10;
Described cone shell of column 4 leading portion is conical, and head is tack, and back segment is hollow cylinder; Front intersegmental part 17/18 puts sky in the axial direction from bottom to head; Center, tack face has a threaded hole, and centered by threaded hole, symmetry offers two through holes; Hole on threaded hole, two through hole and kuppe 3 matches; Conical side face evenly offers some apertures, is convenient to ventilation; Back segment is hollow cylinder, wherein offers screw thread away from inside, conical one end; As illustrated in figures 7 to 13;
Described empennage 5 is the straight triangular prisms of isosceles, two parts sized by point; The isosceles side of winglet has a unthreaded hole, and for connecting empennage fixed pin 19, another isosceles side has countersunk head threaded hole; The diameter of countersunk head threaded hole is less than the diameter of empennage fixed pin 19, and unthreaded hole communicates and dead in line with threaded hole; A unthreaded hole is had on threaded hole both sides; A threaded hole is separately offered between two unthreaded holes; In bottom surface near having a rectangular channel for the winglet unthreaded hole place connecting empennage fixed pin 19; A threaded hole is offered in the non-isosceles side of winglet, and threaded hole is connected with rectangular channel, as shown in Fig. 2, Figure 11-17; The isosceles side of the large wing has two unthreaded holes, has a countersunk head tapped through hole between unthreaded hole, and unthreaded hole and threaded hole and winglet match, as depicted in figures 18-20;
Empennage 5 can be the straight wing also can be folding wings.
Described empennage support bar 6 is part hollow right cylinder, is symmetrical arranged two through holes at cylindrical end face; Cylinder diameter divides two-stage to change vertically, is defined as one-level bar and secondary bar successively according to diameter order from small to large; One-level bar is hollow external thread rod; Secondary bar is part hollow right cylinder, side face with two symmetrical through hole circle center line connecting vertical direction vertically symmetry cut out two rectangle planes; The geometric center place of rectangle plane has through hole, for connecting empennage fixed pin 19; Rectangle plane is fixed with between through hole and the one end away from one-level bar two " L-type " draw-in grooves, and two inner symmetric positions up and down of draw-in groove have through hole, for stationary power drive line 16, as shown in figures 21-23; Secondary bar not connected component between right cylinder interior bone and the one end away from one-level bar; On connected component, symmetry does not offer two holes, and one is threaded hole one is through hole.
Described empennage fixed pin 19 is cylindrical straight-bar, two ends have threaded hole, side face is near the upper and lower symmetric position in end along cylindrical straight rod axis having a threaded hole, and the threaded hole on the non-isosceles side of this threaded hole and winglet matches, as shown in Figure 24-27;
Described empennage connecting pin 18 is standard component pin, two ends cavetto;
Described power transmission line fixed pin 17 is cylinder type hollow straight-bar;
Described mounting system comprises power transmission line fixed bar 7, suspension pole 8, power transmission line fixed-wing 9, pallet 10 and long supporting plate 12, short supporting plate 13;
Described power transmission line fixed bar 7 is eccentric hollow cylindrical straight-bar, and its body diameter divides Pyatyi to change vertically, is defined as one-level bar, secondary bar, three grades of bars and level Four bar successively according to diameter order from small to large; Wherein three grades of bars are divided into two parts, lay respectively at level Four bar both sides; One-level masthead end offers threaded hole, and threaded hole and eccentric through-hole are arranged symmetrically with; Four long thin hollow sleeve are evenly fixed in level Four bar side; Away from the part of one-level bar in three grades of bars, end face is evenly arranged four threaded holes, and be that a cannulated threaded bar is stretched out at the coaxial place of eccentric through-hole, hollow diameters and eccentric through-hole are directly consistent, as shown in Figure 29-32;
Described suspension pole 8 is an end disc, and disk eccentric position has a through hole, and the diameter of through hole is greater than the diameter of hollow threaded rod on power transmission line fixed bar 7; Disk evenly has four threaded holes; The other end is square straight plate, straight plate has 6 through holes; Near between the first two through hole of disk, fix a base, the structure of base is identical with revolute pair connecting link base, for connecting power transmission line fixed-wing 9, as shown in figs. 33-36;
Described power transmission line fixed-wing 9 is naca series aerofoil sections, and aerofoil profile end face has 7 through holes, and 6 holes wherein away from aerofoil profile leading edge are corresponding with the hole on suspension pole 8; Stretch out the square connecting link of a groove between two through holes being suspension pole 8 base same position, connecting link connects suspension pole 8 by bolt and nut; Symmetrical place offers threaded hole with the square connecting link of groove; As shown in figs. 37-39;
Described pallet about 10 points two parts, upper part is positioned at experimental section inside, and entirety is discoid, and center has aerofoil profile groove, has a tapped through hole in groove, and the position of threaded hole is corresponding with the threaded hole on power transmission line fixed-wing 9; Aerofoil profile groove symmetria bilateralis has four threaded holes, as shown in Figure 41-42; Lower part is positioned at experimental section outside, and lower part tray center place has rectangular channel and two threaded holes; Centered by rectangular channel, symmetry offers four threaded holes, and four threaded holes are corresponding with the threaded hole position of upper part, as shown in Figure 43, Figure 44-45;
Described propulsion system comprise stepper motor, speed reduction unit and power transmission line;
Described power transmission line is flexible steel wire, outside with plastic jacket.
Annexation:
Revolute pair connecting link 2 base square end is fixed on cavitation device 1 roundlet end face center, " convex " type end is connected with connecting link " groove " by bolt and nut, kuppe 3 is connected with cone shell of column 4 by connecting link screw thread straight-bar successively, ensures that the symmetrical through hole that cavitation device 1, kuppe 3 and cone shell of column 4 are offered is positioned on straight line during installation; In two through holes that the one-level burr face of two power transmission line fixed pin 17 partial insertion empennage support bars 6 is offered; The one-level bar of empennage support bar 6 is connected with cone shell of column back segment by screw thread; Empennage fixed pin 19 inserts the through hole offered in the rectangle plane that empennage support bar 6 cuts out, and ensures that two ends extension is identical and two threaded holes that side face is offered are positioned at top and the bottom during installation; Two ends extension is connected with the unthreaded hole coaxial with threaded hole that the winglet of empennage 5 is offered respectively, locked by screw, prevents winglet and empennage fixed pin 19 from relative translational movement occurring; The threaded hole that winglet rectangle sides is offered is connected with empennage fixed pin 19 by screw, prevents winglet and empennage fixed pin 19 from relatively rotating; The half of two empennage connecting pins 18 is inserted in the less unthreaded hole of two sizes that winglet is offered respectively, another part inserts in raw two unthreaded holes offered of the large wing, prevent winglet and the large wing from relatively rotating, then by screw by winglet and the large wing locked, prevent both occur relative translational movement; Power transmission line fixed bar 7 one-level bar part is fixed by the threaded hole that screw and empennage support bar 6 inside not connected component are offered, and is connected in three grades of bars away from one-level bar part by screw with suspension pole 8 plate-like face; The square connecting link of groove that power transmission line fixed-wing 9 stretches out is undertaken hinged by the base that the square straight plate in a set of bolt and nut and suspension pole 8 is offered, bolt is with reference to GB/T 5782-2000, choose according to suspension pole threaded hole diameter, nut is chosen according to bolt; Power transmission line fixed-wing 9 is offered in screw thread nose end loading test intersegmental part pallet 10, is fixed by screw and water tunnel experiment section lower panel 11; Experimental section inner tray and outer trays are fixed by screws on water tunnel experiment section lower panel 11, and 7 holes that during installation, guarantee power transmission line fixed-wing 9 is offered are positioned in experimental section outer trays offers rectangular channel; Long supporting plate 12 is vertically fixed in experimental section outer trays 10 by screw, and three pieces short supporting plates 13 are horizontally fixed on long supporting plate 12; Be arranged on three pieces short supporting plates 13 respectively after speed reduction unit 14 is fixing by screw with motor 15, speed reduction unit 14 model is LINIX 60JB20, be used for reducing rotating speed and increasing torque, motor 15 model is LINIX 57BYGHD 451-03A, for driving the motion of sail body model.
Cabling: every platform machine shaft is wound around two power transmission lines 16, and winding direction is contrary, six roots of sensation drive line is through 6 logical size through holes that experimental section outer trays rectangular channel, water tunnel experiment section lower panel, the wing groove of experimental section inner tray and power transmission line fixed-wing 9 are offered, wherein two connection suspension poles 8, control the mass motion of sail body model, another four through four long thin sleeves fixing on the through hole that suspension pole 8 is offered and power transmission line fixed bar 7 level Four bar, wherein two through the rectangular channel that two through holes that two " L " shape draw-in grooves in empennage support bar 6 are offered and winglet are offered, be connected with the screw for there is relative translational movement between fixing winglet with empennage fixed pin 19, control the motion of empennage, remaining two are passed two through holes that empennage support bar 6 end face is offered again, power transmission line fixed pin 17, two through holes that cone shell of column 4 end face is offered and two through holes that kuppe 3 end face is offered, be connected with cavitation device 1, control the motion of cavitation device 1.
The course of work:
The motion of cavitation device 1: starter motor 15, machine shaft moves driving two contrary power transmission lines 16 of the direction of winding on it, and power transmission line 16 connects cavitation device 1, is realized the motion of cavitation device 1 by the degree of tightness of power transmission line 16;
The motion of empennage 5: start another motor 15, machine shaft moves driving two contrary power transmission lines 16 of the direction of winding on it, power transmission line 16 connects the winglet in empennage 5, drives winglet motion, and then realize the motion of whole empennage by the degree of tightness of power transmission line 16;
Sail body model mass motion: start the 3rd motor 15, machine shaft moves driving two contrary power transmission lines 16 of the direction of winding on it, power transmission line 16 connects suspension pole 8, drive suspension pole 8 to carry out luffing by the degree of tightness of power transmission line 16, suspension pole 8 drives whole sail body model to move by power transmission line fixed bar 7.
Finally it should be noted that, above only in order to the technical solution of the utility model to be described, those of ordinary skill in the art can modify to the technical solution of the utility model or equivalent replacement.Allly to make an amendment within spirit of the present utility model and principle, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (7)
1. the adjustable drive system of water tunnel test underwater sailing body, is characterized in that: comprise sail body test model, mounting system and propulsion system;
Described sail body test model comprises cavitation device (1), revolute pair connecting link (2), kuppe (3), cone shell of column (4), empennage (5), empennage support bar (6), power transmission line fixed pin (17), empennage connecting pin (18) and empennage fixed pin (19);
Described cavitation device (1) is tapered disk, and on conehead roundlet end face, symmetry offers two through holes;
Described revolute pair connecting link (2) is made up of base, connecting link and a set of bolt and nut; Base is " convex " type structure, " convex " type end cavetto and side is offered a through hole; Connecting link is " recessed " shape structure, and two sidewalls of symmetry offer a through hole respectively, and the through hole that two through holes and base are offered on the same line; A screw thread straight-bar is stretched out in " recessed " shape structure center of underside;
Described kuppe (3) is tapered disk, and it 5/6 puts sky in the axial direction from large round end surface; Roundlet end face center has a threaded hole, and centered by threaded hole, symmetry offers two through holes, and size, the position of through hole are mated with two through holes of cavitation device (1);
Described cone shell of column (4) leading portion is conical, and head is tack, and back segment is hollow cylinder; Front intersegmental part 17/18 puts sky in the axial direction from bottom to head; Center, tack face has a threaded hole, and centered by threaded hole, symmetry offers two through holes; Hole on threaded hole, two through hole and kuppe (3) matches; Conical side face evenly offers some apertures, is convenient to ventilation; Back segment is hollow cylinder, wherein offers screw thread away from inside, conical one end;
Described empennage (5) is the straight triangular prisms of isosceles, two parts sized by point; The isosceles side of winglet has a unthreaded hole, and for connecting empennage fixed pin (19), another isosceles side has countersunk head threaded hole; The diameter of countersunk head threaded hole is less than the diameter of empennage fixed pin (19), and unthreaded hole communicates and dead in line with threaded hole; A unthreaded hole is had on threaded hole both sides; A threaded hole is separately offered between two unthreaded holes; In bottom surface near having a rectangular channel for the winglet unthreaded hole place connecting empennage fixed pin (19); A threaded hole is offered in the non-isosceles side of winglet, and threaded hole is connected with rectangular channel; The isosceles side of the large wing has two unthreaded holes, has a countersunk head tapped through hole between unthreaded hole, and unthreaded hole and threaded hole and winglet match;
Described empennage support bar (6) is part hollow right cylinder, is symmetrical arranged two through holes at cylindrical end face; Cylinder diameter divides two-stage to change vertically, is defined as one-level bar and secondary bar successively according to diameter order from small to large; One-level bar is hollow external thread rod; Secondary bar is part hollow right cylinder, side face with two symmetrical through hole circle center line connecting vertical direction vertically symmetry cut out two rectangle planes; The geometric center place of rectangle plane has through hole, for connecting empennage fixed pin (19); Rectangle plane is fixed with between through hole and the one end away from one-level bar two " L-type " draw-in grooves, and two inner symmetric positions up and down of draw-in groove have through hole, for stationary power drive line (16); Secondary bar not connected component between right cylinder interior bone and the one end away from one-level bar; On connected component, symmetry does not offer two holes, and one is threaded hole one is through hole;
Described empennage fixed pin (19) is cylindrical straight-bar, two ends have threaded hole, side face is near the upper and lower symmetric position in end along cylindrical straight rod axis having a threaded hole, and the threaded hole on the non-isosceles side of this threaded hole and winglet matches;
Described mounting system comprises power transmission line fixed bar (7), suspension pole (8), power transmission line fixed-wing (9), pallet (10) and long supporting plate (12), short supporting plate (13);
Described power transmission line fixed bar (7) is eccentric hollow cylindrical straight-bar, and its body diameter divides Pyatyi to change vertically, is defined as one-level bar, secondary bar, three grades of bars and level Four bar successively according to diameter order from small to large; Wherein three grades of bars are divided into two parts, lay respectively at level Four bar both sides; One-level masthead end offers threaded hole, and threaded hole and eccentric through-hole are arranged symmetrically with; Four long thin hollow sleeve are evenly fixed in level Four bar side; Away from the part of one-level bar in three grades of bars, end face is evenly arranged four threaded holes, and be that a cannulated threaded bar is stretched out at the coaxial place of eccentric through-hole, hollow diameters and eccentric through-hole are directly consistent;
Described suspension pole (8) is an end disc, and disk eccentric position has a through hole, and the diameter of through hole is greater than the diameter of the upper hollow threaded rod of power transmission line fixed bar (7); Disk evenly has four threaded holes; The other end is square straight plate, straight plate has 6 through holes; Near between the first two through hole of disk, fix a base, the structure of base is identical with revolute pair connecting link base, for connecting power transmission line fixed-wing (9);
Described power transmission line fixed-wing (9) is naca series aerofoil sections, and aerofoil profile end face has 7 through holes, and 6 holes wherein away from aerofoil profile leading edge are corresponding with the hole on suspension pole (8); Stretch out the square connecting link of a groove between two through holes being suspension pole (8) base same position, connecting link connects suspension pole (8) by bolt and nut; Symmetrical place offers threaded hole with the square connecting link of groove;
Described pallet (10) point upper and lower two parts, upper part is positioned at experimental section inside, and entirety is discoid, and center has aerofoil profile groove, have a tapped through hole in groove, the position of threaded hole is corresponding with the threaded hole on power transmission line fixed-wing (9); Aerofoil profile groove symmetria bilateralis has four threaded holes; Lower part is positioned at experimental section outside, and lower part tray center place has rectangular channel and two threaded holes; Centered by rectangular channel, symmetry offers four threaded holes, and four threaded holes are corresponding with the threaded hole position of upper part;
Annexation: revolute pair connecting link (2) base square end is fixed on cavitation device (1) roundlet end face center, " convex " type end is connected with connecting link " groove " by bolt and nut, kuppe (3) is connected with cone shell of column (4) by connecting link screw thread straight-bar successively, ensures that the symmetrical through hole that cavitation device (1), kuppe (3) and cone shell of column (4) are offered is positioned on straight line during installation; In two through holes that the one-level burr face of two power transmission line fixed pins (17) partial insertion empennage support bar (6) is offered; The one-level bar of empennage support bar (6) is connected with cone shell of column back segment by screw thread; Empennage fixed pin (19) inserts the through hole offered in the rectangle plane that empennage support bar (6) cuts out, and ensures that two ends extension is identical and two threaded holes that side face is offered are positioned at top and the bottom during installation; Two ends extension is connected with the unthreaded hole coaxial with threaded hole that the winglet of empennage (5) is offered respectively, locked by screw, prevents winglet and empennage fixed pin (19) from relative translational movement occurring; The threaded hole that winglet rectangle sides is offered is connected with empennage fixed pin (19) by screw, prevents winglet and empennage fixed pin (19) from relatively rotating; The half of two empennage connecting pins (18) is inserted in the less unthreaded hole of two sizes that winglet is offered respectively, another part inserts in raw two unthreaded holes offered of the large wing, prevent winglet and the large wing from relatively rotating, again by screw by winglet and the large wing locked, prevent both occur relative translational movement; Power transmission line fixed bar (7) one-level bar part is fixed by the threaded hole that screw and the inner not connected component of empennage support bar (6) are offered, and is connected in three grades of bars away from one-level bar part by screw with suspension pole (8) plate-like face; The square connecting link of groove that power transmission line fixed-wing (9) stretches out is undertaken hinged by the base that the square straight plate in a set of bolt and nut and suspension pole (8) is offered; Power transmission line fixed-wing (9) is offered in screw thread nose end loading test intersegmental part pallet (10), is fixed by screw and water tunnel experiment section lower panel (11); Experimental section inner tray and outer trays are fixed by screws on water tunnel experiment section lower panel (11), and 7 holes that during installation, guarantee power transmission line fixed-wing (9) is offered are positioned in experimental section outer trays offers rectangular channel; Long supporting plate (12) is vertically fixed in experimental section outer trays (10) by screw, and short supporting plate (13) is horizontally fixed on long supporting plate (12); Be arranged on respectively on short supporting plate (13) after speed reduction unit (14) is fixing by screw with motor (15).
2. the adjustable drive system of a kind of water tunnel test underwater sailing body as claimed in claim 1, is characterized in that: every platform machine shaft is wound around two power transmission lines (16), and winding direction is contrary, six roots of sensation drive line is through 6 logical size through holes that experimental section outer trays rectangular channel, water tunnel experiment section lower panel, the wing groove of experimental section inner tray and power transmission line fixed-wing (9) are offered, wherein two connection suspension poles (8), control the mass motion of sail body model, another four through four long thin sleeves fixing on the through hole that suspension pole (8) is offered and power transmission line fixed bar (7) level Four bar, wherein two through the rectangular channel that two through holes that two " L " shape draw-in grooves in empennage support bar (6) are offered and winglet are offered, be connected with the screw for there is relative translational movement between fixing winglet with empennage fixed pin (19), control the motion of empennage, remaining two are passed two through holes that empennage support bar (6) end face is offered again, power transmission line fixed pin (17), two through holes that cone shell of column (4) end face is offered and two through holes that kuppe (3) end face is offered, be connected with cavitation device (1), control the motion of cavitation device (1).
3. the adjustable drive system of a kind of water tunnel test underwater sailing body as claimed in claim 1, is characterized in that: described empennage connecting pin (18) is standard component pin, two ends cavetto.
4. the adjustable drive system of a kind of water tunnel test underwater sailing body as claimed in claim 1, is characterized in that: described power transmission line fixed pin (17) is cylinder type hollow straight-bar.
5. the adjustable drive system of a kind of water tunnel test underwater sailing body as claimed in claim 1, is characterized in that: empennage (5) also can be able to be folding wings for the straight wing.
6. the adjustable drive system of a kind of water tunnel test underwater sailing body as claimed in claim 1, is characterized in that: described propulsion system comprise stepper motor, speed reduction unit and power transmission line.
7. the adjustable drive system of a kind of water tunnel test underwater sailing body as claimed in claim 1, is characterized in that: described power transmission line is flexible steel wire, outside with plastic jacket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420371843.8U CN204666333U (en) | 2014-07-07 | 2014-07-07 | The adjustable drive system of a kind of water tunnel test underwater sailing body |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420371843.8U CN204666333U (en) | 2014-07-07 | 2014-07-07 | The adjustable drive system of a kind of water tunnel test underwater sailing body |
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| CN204666333U true CN204666333U (en) | 2015-09-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104155078A (en) * | 2014-07-07 | 2014-11-19 | 北京理工大学 | Adjustable driving system for underwater navigation body in water tunnel experiment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104155078A (en) * | 2014-07-07 | 2014-11-19 | 北京理工大学 | Adjustable driving system for underwater navigation body in water tunnel experiment |
| CN104155078B (en) * | 2014-07-07 | 2017-04-12 | 北京理工大学 | Adjustable driving system for underwater navigation body in water tunnel experiment |
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