CN105288991B - Sail racing vehicle - Google Patents

Abstract

The sail racing vehicle provided by the invention travelled on land, the driving force that moves ahead is provided by sail, manipulation mechanism is identical with windsurfing.Sail racing vehicle is made up of sail, car bottom plate, vehicle bridge, sail connection component and integrated straight trip/steering conversion equipment, speed-limiting switch thereon；Vehicle bridge uses the Castor structure combined by wheel shaft, bridge truss and the steering component of hub 3；Tandem axle turns to hub and sail connection component is fixed on car bottom plate wrench to the longitudinal centre line of plate tail；Two in forward and backward vehicle bridge turn to hub and are connected with straight trip/steering conversion equipment with same root chain；Speed limit resistance is connected by speed limit floor push when acting with speed limit coil.Using existing Track field, square and spacious road, meet that 2.5 13 meter per second wind conditions can promote this motion；In terms of tourism, amusement, bank sightseeing very attractive is patrolled using land and sea breeze, hinterland can also experience the passion enjoyment of boardsailing.

Description

Sail racing vehicle

Art

In terms of motion, game, amusement, the apparatus of athletics sports.

Background technology

At present, it is known except the windsurfing of surface motions, the such apparatus in land with the athletics sports apparatus of wind drive Still belong to blank.

The content of the invention

The existing athletics sports apparatus windsurfing with wind drive, it can not use on land.The present invention provides one Kind provides the driving force that moves ahead by sail, and manipulation mechanism is identical with windsurfing, the sail racing vehicle travelled on land.

The technical solution adopted by the present invention is：Sail racing vehicle is by sail, car bottom plate, vehicle bridge, sail connection component and collection Formed into straight trip thereon/steering conversion equipment, speed-limiting switch；Sail apex distance from the ground >=4m, sail area >=3m²；It is forward and backward Distance >=3* sails mast is to distance between center of air pressure point between vehicle bridge；Distance between car bottom plate length >=forward and backward vehicle bridge+ 300mm；Car bottom plate width >=2* foot lengths+60mm；The Castor structure that vehicle bridge is combined using wheel shaft, bridge truss and steering hub 3 component, Single wheel or dual wheels are installed, the steering hub of two-wheel configuration coordinates middle position steel spring plate mode to live with bridge truss with hinge on wheel shaft Network connects；Forward and backward vehicle bridge turns to hub and sail connection component is fixed on car bottom plate wrench to the longitudinal centre line of plate tail, sail The midpoint of connection component line between forward and backward steering hub is fallen between front steering hub by sail center of air pressure point vertical line Corresponding mast position finally determines within the scope of 10cm before and after midpoint；Two in the forward and backward vehicle bridge of two-wheel steering pattern Turn to hub sprocket wheel connect with straight trip/steering conversion equipment sprocket wheel with same root chain, single-wheel steering pattern front steering hub sprocket wheel with Straight trip/steering conversion equipment sprocket wheel is connected with chain, and rear steering hub is fixed as one with bridge truss, or rear steering hub sprocket wheel and Straight trip/steering conversion equipment sprocket wheel is connected with chain, and front steering hub is fixed as one with bridge truss, to realize straight-line travelling, turn To the controlled and synchronous of process；Two-wheel steering pattern rear steering hub is embedded in planet and swings to gear train, realizes hind axle and front-wheel Axle gyratory directions are opposite；Car bottom plate chooses wheel accordingly away from ground≤200mm, car bottom plate and ground max. roll degree >=22 ° External diameter and wheelspan；Speed limit floor push steps on the outer rim of ring set land on the sail connection component, during switch motion, by speed limit electricity Resistance and speed limit coils from parallel connection of coils.

Car bottom plate is made using multi-layer sheet or polymer composite, and head is streamlined, and edge is without corner angle；The upper table of plate Face is coarse anti-skidding, it is middle before and after one be equal to the waiting inside and outside broadband of axletree wheelspan along long width, painting different colours are subject to area Not；3 positioning holes are processed on wrench to the longitudinal centre line of plate tail, forward and backward vehicle bridge and sail connection component are installed.

Vehicle bridge uses the Castor structure combined by wheel shaft, bridge truss and the steering component of hub 3；The bridge truss of two-wheel configuration is horizontal Axis hole and the platform of cutting in wheel shaft stage casing are fixed together, and bridge truss flap guide is hinged with turning to hub hinge bodies with bearing pin, hinge The goat's horn that plate guide superstructure has fixed middle position latch plate is dashed forward, and is inserted in hinge intracoelomic cavity during assembling, is passed through middle position spring steel Plate active connection therewith；Difference≤30mm of pitch-row ground level in the horizontal shaft hole and flap guide of bridge truss.

Wheel shaft both ends respectively have the disk of a U-shaped iron core of fixation speed limit coil close to axle journal position, can at most fix 4 thereon Iron-core coil；Hub for vehicle wheel is assemblied on axle journal with a pair of angular contact bearings, and tight with bearing cap school；Corresponding speed limit coil is U-shaped Iron core groove location, the speed limit disk with wheel rim one, thereon insert high strength permanent magnets.

In the case of car bottom plate is determined away from ground level and car bottom plate with ground max. roll degree a, wheelspan, wheel external diameter Choose formula：Wheel footpath=- 1/2 wheelspan * tga- of plate height wheels sheet separation

For wheelspan depending on rider balanced capacity, skilled person also can use single wheel to configure, just within 100mm Scholar is then wider；Gap takes 15mm or so between car bottom plate and wheel.

Turn to the convex cap of hub housing upper and be bumped into car bottom plate positioning hole and fixation, bottom forms bearing outer ring；Form in bearing Be machined with the axle shelves of raceway in bilateral on the steering hub turntable shaft of circle, bearing ring cover and turn to hub lower housing portion with axle shelves bilateral Raceway corresponding position, the outer ring washer of outer raceway is machined with respectively；Load steel ball between interior axle bumper, outer ring washer, then with bearing ring cover It is assemblied in and turns to hub lower housing portion, forms a secondary ball bearing.

Front steering hub turntable shaft bottom is fixed with hinge bodies, and sprocket wheel is fixed with hinge bodies；Front steering hub turntable shaft and hinge Serobila coordinates middle position steel spring plate to connect bridge truss by hinge.

Rear steering hub shell intracoelomic cavity, the reverse side of convex cap are fixed with mandrel and 3 planetary gear shafts vertically downward, on mandrel Equipped with gear is swung to, the planetary gear of 2 disjunctors is equipped with planetary gear shaft, wherein one with turn to hub turntable shaft in intracavitary Gear engagement, another are meshed with swinging to gear, so, it is opposite relative to rotating disk axle steer to swing to gear；Hinge bodies are fixed In the terminal pad with swinging to gear one, rear bridge truss coordinates the active connection therewith of middle position steel spring plate with hinge, after drive Take turns axle steer；Back axle sprocket wheel, which is arranged on, turns to hub turntable shaft bottom.

Sail connection component body is fixed in car bottom plate positioning hole using upper land and lower ring plate, body upper part centre bore Tapered endoporus, the high inclination-angle joint ball bearing of customization, the outer rim stepped on ring set and be mounted in upper land of speed-limiting switch, two perpendicular cunnings are installed Key is assemblied in land guide groove；The processing of the push rod top on ring bevel is stepped on, horizontal peace is withstood in the push-rod hole lower end of body In the microswitch inclined-plane touching of dress；4 pairs of contacts of 2 double-contact microswitches connect a power resistor respectively, and switch is dynamic Couple when making with the speed limit coil on the U-shaped iron core in a cutting wheel speed-limitation disk magnetic field.

Sail racing vehicle is remained windsurfing and changed using sail center of air pressure point position to manipulate steering；During straight-line travelling, For lateral thrust caused by offsetting sail driving, sprocket wheel need to be locked, it is front and rear during ensuring that centre-of gravity shift rolls car body Wheel does not produce deflection；When needing to turn to, straight trip/steering pattern conversion equipment installed in sail connection component lower half, Detection manipulation signal simultaneously, the sprocket wheel of locking is unclamped, into steering pattern；Therefore, two steering hub chains in forward and backward vehicle bridge Wheel connected with straight trip/steering conversion equipment sprocket wheel with same root chain, with realize straight-line travelling, steering procedure it is controlled and same Step；Chain can also use timing belt or gear train to substitute, and during from timing belt, then change sprocket wheel into synchronous pulley；From tooth During wheel transmission, the gear sum including forward and backward vehicle bridge gear and straight trip/steering conversion equipment gear is even number, simultaneously Remove in rear steering hub and swing to gear train, it is identical with front steering hub construction.

The mast lower end of insertion sail connection component joint ball bearing picks out one section of driving lever, and rod end is equipped with bulb, bulb top It is pressed on boundary disk；Boundary disk is Axisymmetric Spherical band body, and lower section is connected as a single entity with push rod, and upper section is recessed curved surface；This Curved surface is unified by central point and the joint ball bearing centre of sphere, and radius is drawn equal to the joint ball bearing centre of sphere to driving lever bulb centre of sphere distance Lower peripheral surface, then the mast maximum free inclination angle allowed during by straight-line travelling is reversely prolonged from what the joint ball bearing centre of sphere was drawn Long line turns round 360 ° of cutting gained；The boundary disk of push rod actuating length≤driving lever Probe-radius+1/2 is high；Push rod circle during straight-line travelling Disk is limited by top pressure to lower limit, shift fork, which is stirred the up insertion of lower lock tube and locked, covers component, is locked with the sprocket wheel of upper lock tube one, Front and rear steering hub is limited at middle position；When mast gradient is beyond straight trip free inclination angle, driving lever bulb removes boundary disk, top Bar boundary disk is playbacked by return spring, and shift fork, lower lock tube are fallen after rise, and upper lock tube, sprocket wheel are released, and front and rear steering hub enters revolution shape State；Upper and lower end face be machined with turning slot lock set component, be assemblied in sail connection component body lower surface and drain pan it is suitable for reading it Between, middle frame set is fixed on body lower part, and lower lock tube is assemblied on middle frame set feather key through chute；The mating surface processing of upper and lower lock tube There is the sinusoidal line that can voluntarily align to slide bank pair, push rod boundary disk is in playback state, maximum rotation amount >=120 ° for set component of locking, And≤150 °.

The invention has the advantages that fusion skill, strength exercise feature, the wind made according to ergonomics relevant parameter Sail racing vehicle provides a brand-new motion for people, using existing Track field, is provided simultaneously with 2.5m/s-13m/s wind-force Condition can promote this motion；Expanded space in terms of tourism, body-building recreation there is also wide, in the abundant area of wind energy resources It is expected to turn into the walking-replacing tool for following low-carbon environment-friendly theory.

Brief description of the drawings

The present invention is further described with reference to the accompanying drawings and examples.

Fig. 1 is sail racing vehicle overall structure diagram.

Fig. 2 is car truss, axletree exploded view.

Fig. 3 is rear steering hub exploded view.

Fig. 4 is front steering hub exploded view.

Fig. 5 is sail connection component body, speed-limiting switch exploded view.

Fig. 6 is straight trip/steering conversion equipment exploded view.

Fig. 7 is embodiment schematic diagram.

100 in Fig. 1, the car bottom plate that assembles, 101, car bottom plate, 102, chain, 200, axle assembly, 300, rear steering hub Assembly, 400, front steering hub assembly, 6000, sail connection component body and speed limit floor push.

200, axle assembly in Fig. 2,201, wheel shaft, 2010, wheel shaft cut platform, 2011, disk, 202, bearing, 203, bearing Lid, 204, bridge truss, 2040, flap guide, 2041, goat's horn dash forward, 2042, horizontal shaft hole, 205, U-shaped iron core, 2050, speed limit Coil, 2051, iron core fixed seat, 206, wheel, 2060, speed limit disk, 20600, high strength permanent magnet body, 2061, wheel hub, 207, pin Axle.

300 in Fig. 3, rear steering hub assembly, 310, the convex cap of hub shell, 311, enclose under hub shell, 3111, the outer ring washer of lower circle, 312nd, mandrel, 313, bearing ring cover, 3131, the outer ring washer of ring cover, 314, planetary gear shaft, 320, rear steering hub turntable shaft, 3201, Raceway axle shelves in bilateral, 3202, steel ball, 3203, back axle sprocket wheel, 330, back axle hinge body, 3301, hinge intracoelomic cavity, 3302, in Position steel spring plate, 340, swing to gear, 3401, terminal pad.

400 in Fig. 4, front steering hub assembly, 420, front steering hub turntable shaft, 4302, middle position steel spring plate, 4303, propons Sprocket wheel.

500 in Fig. 5, sail connection component body and speed limit floor push, 510, sail connection component body, 5100, on Land, 5101, upper land guide groove, 5102, body upper part centre bore, 5103, lower ring plate, 5104, mast bottom section, 51040, load-bearing Land, 51041, driving lever, 51042, driving lever bulb, 5105, joint ball bearing, 5106, push-rod hole, 520, speed-limiting switch step on ring, 5201st, inclined-plane termination push rod, 5202, perpendicular feather key, 5203, double-contact microswitch, 52030, inclined-plane touching.

600 in Fig. 6, sail connection component body and speed limit floor push, 610, middle frame set, 6100, middle frame set feather key, 6101st, shift fork, 6102, core retainer plate, 6103, return spring, 6104, push rod, 61040, boundary disk top-surface camber, 61041, spherical zone body circle Limit disk, 620, lower lock tube, 6201, sliding bank outside sinusoidal line, 6202, lower lock tube chute, 630, set component of locking, 6301, upper lock tube Body, 63010, sliding bank in sinusoidal line, 6302, upper end plate, 63020, turning slot, 6303, sprocket wheel, 640, drain pan.

100 in Fig. 7, the car bottom plate that assembles, 700, sail, 701, mast.

Embodiment

In Fig. 1, Fig. 2, Fig. 3, Fig. 5, Fig. 7, sail racing vehicle is by sail 700, car bottom plate 101, axle assembly 200, wind Sail connection component body and speed limit floor push 6000 form；Sail distance from top ground >=4m, sail area >=3m2；It is forward and backward Distance >=3* sails mast is to distance between center of air pressure point between vehicle bridge；Distance between car bottom plate length >=forward and backward vehicle bridge+ 300mm；Car bottom plate width >=2* foot lengths+60mm；Vehicle bridge uses by wheel shaft 201, bridge truss 204 and turns to hub assembly 300,4003 The Castor structure of component combination, wheel shaft both ends are equipped with wheel 206, turn to hub and coordinate middle position steel spring plate side with hinge with bridge truss Formula connects；Forward and backward vehicle bridge turns to hub and sail connection component is fixed on car bottom plate wrench to the longitudinal centre line of plate tail, sail The midpoint of connection component line between forward and backward steering hub is fallen between front steering hub by sail center of air pressure point vertical line The corresponding position of mast 701 finally determines within the scope of 10cm before and after midpoint；Two steering hub sprocket wheels in forward and backward vehicle bridge Connected with straight trip/steering conversion equipment sprocket wheel same root chain 102, with realize straight-line travelling, steering procedure it is controlled and same Step；Rear axle steering hub is embedded in planet and swings to gear train 314,320,340, realizes hind axle and front axle gyratory directions phase Instead；Car bottom plate chooses wheel external diameter and wheelspan accordingly away from ground≤200mm, car bottom plate and ground max. roll degree >=22 °； Speed limit floor push steps on the outer rim that ring 520 is sleeved on land 5100 on sail connection component, during switch motion, by speed limit resistance with Speed limit coil 2050 is in parallel.

In Fig. 1, Fig. 2, car bottom plate 101 is made using multi-layer sheet or polymer composite, and head is streamlined, afterbody Semi-circular shape, edge is without corner angle, and front is coarse anti-skidding, and the wheelspan of axletree 201 is front and rear along the inside and outside plate in broadband such as long under respective panels Face applies different colours and is distinguish between；Process 3 positioning holes on wrench to the longitudinal centre line of plate tail, install forward and backward vehicle bridge and Sail connection component.

In Fig. 2, Fig. 3, vehicle bridge uses the castor knot combined by wheel shaft 201, bridge truss 204 and the steering component of hub 3003 Structure；The horizontal shaft hole 2042 of bridge truss and the platform 2010 of cutting in the stage casing of wheel shaft 201 are fixed together, bridge truss flap guide 2040 It is hinged with turning to hub hinge bodies 330 with bearing pin 207；Flap guide superstructure has the goat's horn of fixed middle position steel spring plate 3302 Prominent 2041, insert in hinge intracoelomic cavity 3301 during assembling, be attached thereto by middle position steel spring plate；The horizontal shaft hole of bridge truss with Difference≤30mm of pitch-row ground level in flap guide.

In fig. 2, wheel shaft both ends respectively have the disk 2011 of a U-shaped iron core 205 of fixation speed limit coil close to axle journal position, its On can at most fix 3 iron-core coils；Wheel hub 2061 is assemblied on axle journal with a pair of angular contact bearings 202, and uses bearing cap 203 schools are tight；The corresponding U-shaped plunger position of speed limit coil, the speed limit disk 2060 with wheel rim one, thereon insert high strength permanent magnets 20600。

In figure 3, turn to the convex cap 310 of hub housing upper and be bumped into car bottom plate positioning hole and fixation, bottom 311 is formed outside bearing Circle；Form and the axle shelves 3201 of raceway in bilateral be machined with the steerings hub turntable shaft 320 of bearing inner race, bearing ring cover 313 and turn The raceway corresponding position into hub lower housing portion and axle shelves bilateral, the outer ring washer 3111,3131 of outer raceway is machined with respectively；Interior axle Load steel ball 3202 between gear, outer ring washer, then be assemblied in bearing ring cover and turn to hub lower housing portion, form a pair of deep-groove ball axles Hold.

Rear steering hub shell intracoelomic cavity, the reverse side of convex cap 310 are fixed with mandrel 312 and 3 planetary gear shafts vertically downward 314, equipped with gear 340 is swung on mandrel, the planetary gear of 2 disjunctors is equipped with planetary gear shaft, wherein one with steering The inner chamber internal gear engagement of hub turntable shaft 320, another are meshed with swinging to gear, so, swing to gear and turn relative to turntable shaft To opposite；Hinge bodies 330 are fixed on and swung in the terminal pad 3401 of gear one, and rear bridge truss 240 coordinates middle position with hinge The active connection therewith of steel spring plate 3302, drive trailing wheel axle steer；Back axle sprocket wheel 3203, which is arranged on, turns to hub turntable shaft bottom.

The bottom of front steering hub turntable shaft 420 is fixed with hinge bodies 430 in Fig. 4, and sprocket wheel 4303 is fixed with hinge bodies；Before Turn to hub turntable shaft and hinge bodies coordinates middle position steel spring plate 4302 to connect bridge truss by hinge.

In Figure 5, sail connection component body 510 is fixed on car bottom plate positioning using upper land 5100 and lower ring plate 5103 In hole, tapered endoporus, the high inclination-angle joint ball bearing 5105 of the installation customization of body upper part centre bore 5102, speed-limiting switch steps on ring 520 are sleeved on the outer rim of land, and two perpendicular feather keys 5202 are assemblied in land guide groove 5101；The push rod 5201 stepped on ring pushes up End processing bevel, withstands in the inclined-plane touching 52030 of microswitch 5203 being horizontally mounted in the bottom of push-rod hole 5106 of body； 4 pairs of contacts of 2 double-contact microswitches connect a power resistor respectively, during switch motion with a cutting wheel speed-limitation disk Speed limit coils from parallel connection of coils on the U-shaped iron core in magnetic field.

In Fig. 5, Fig. 6, the mast lower end 5104 of insertion sail connection component joint ball bearing picks out one section of driving lever 51041, rod end is equipped with bulb 51042, and bulb top pressure is on boundary disk 61041；Boundary disk be Axisymmetric Spherical band body, lower section with Push rod 6104 is connected as a single entity, and upper section is recessed curved surface 61040；During straight-line travelling, push rod boundary disk by top pressure to lower limit, Shift fork 6101, which is stirred lower 620 up insertion of lock tube and locked, covers component 630, locked with the sprocket wheel 6303 of upper lock tube one, front and rear Turn to hub and be limited at middle position；When mast gradient removes boundary disk, push rod circle beyond straight trip free inclination angle, driving lever bulb Limit disk is playbacked by return spring 6103, and shift fork, lower lock tube are fallen after rise, and upper lock tube, sprocket wheel are released, and front and rear steering hub enters revolution shape State；Upper and lower end face 6302 is machined with the set component 630 of locking of turning slot 63020, is assemblied in the lower end of sail connection component body 510 Between face and drain pan 640 are suitable for reading, middle frame set 610 is fixed on body lower part, and lower lock tube is assemblied in middle frame through chute 6202 and covers feather key On 6100；The mating surface of upper and lower lock tube is machined with the sinusoidal line that can voluntarily align and slides bank pair 63010,6201, and push rod boundary disk exists Playback state, maximum rotation amount >=120 ° for set component of locking, and≤150 °.

In the embodiment shown in fig. 7, mast 701 rises 4.070m, the area 3.04m of sail 700²；Forward and backward length of the bridge 1.37m, Sail connection group body and speed limit floor push part 6000 are apart from front steering hub 370mm；Car bottom plate 101 long 1.67m, wide 570mm, Car bottom plate is away from ground 196mm, wheel 206 external diameter 127mm, wheelspan 300mm；22 ° of car bottom plate and ground max. roll degree.

Claims (7)

1. a kind of sail racing vehicle, changed by sail, car bottom plate, vehicle bridge, sail connection component and integrated straight trip/steering thereon Device, speed-limiting switch composition, it is characterized in that：Sail distance from top ground >=4m, sail area >=3m²；The spacing of forward and backward vehicle bridge From >=3* sails mast to a distance between center of air pressure point；Distance+300mm between car bottom plate length >=forward and backward vehicle bridge；Car bottom plate Width >=2* foot lengths+60mm；Vehicle bridge uses the Castor structure combined by wheel shaft, bridge truss and the steering component of hub 3, is installed on wheel shaft Single-wheel or two-wheel, the steering hub of two-wheel configuration coordinate the active connection of middle position steel spring plate mode with bridge truss with hinge；Forward and backward car Bridge turns to hub and sail connection component is fixed on car bottom plate wrench to the longitudinal centre line of plate tail, and sail connection component is located at To between front steering hub, particular location is fallen at midpoint by sail center of air pressure point vertical line at the midpoint of line between forward and backward steering hub Mast position corresponding to front and rear 10cm scopes determines；Steering hub sprocket wheel and straight trip/steering in the forward and backward vehicle bridge of two-wheel steering pattern Conversion equipment sprocket wheel is connected with same root chain；Single-wheel steering pattern front steering hub sprocket wheel and straight trip/steering conversion equipment sprocket wheel Connected with chain, rear steering hub is fixed as one with bridge truss, or rear steering hub sprocket wheel and straight trip/steering conversion equipment sprocket wheel Connected with chain, front steering hub is fixed as one with bridge truss；Two-wheel steering pattern rear steering hub is embedded in planet and swings to gear Group；Car bottom plate is away from ground≤200mm, car bottom plate and ground max. roll degree >=22 °；Speed limit floor push steps on ring set and is mounted in wind The outer rim of land on sail connection component, during switch motion, by speed limit resistance and speed limit coils from parallel connection of coils.

2. sail racing vehicle according to claim 1, it is characterised in that：Described car bottom plate, with multi-layer sheet or macromolecule Composite makes, and head is streamlined, and edge is without corner angle；The upper surface of plate is coarse anti-skidding, and suitable length is one wide before and after middle Degree equal to axletree wheelspan wait broadband inside and outside, painting different colours be distinguished by；Processed on wrench to the longitudinal centre line of plate tail Go out 3 positioning holes, forward and backward vehicle bridge and sail connection component are installed.

3. sail racing vehicle according to claim 1, it is characterised in that：Described bridge truss and wheel shaft, two-wheel configuration Bridge truss horizontal shaft hole and the platform of cutting in wheel shaft stage casing are fixed together, and bridge truss flap guide is with turning to hub hinge bodies bearing pin It is hinged, the goat's horn that flap guide superstructure has fixed middle position steel spring plate dashes forward, and inserts in hinge intracoelomic cavity during assembling, passes through The active connection therewith of middle position steel spring plate；Wheel shaft both ends respectively have the disk of a U-shaped iron core of fixation speed limit coil close to axle journal position, 4 iron-core coils can be at most fixed thereon；The U-shaped iron core groove location of corresponding speed limit coil, the speed limit disk with wheel rim one, thereon Insert high strength permanent magnets.

4. sail racing vehicle according to claim 1, it is characterised in that：Described steering hub, the convex cap of housing upper are bumped into Car bottom plate positioning hole and fixation, bottom form bearing outer ring；Form and be machined with the steering hub turntable shaft of bearing inner race in bilateral The axle shelves of raceway, bearing ring cover and steering hub lower housing portion and raceway corresponding position in axle shelves bilateral, are machined with outer raceway respectively Outer ring washer；Load steel ball between interior axle bumper, outer ring washer, then be assemblied in bearing ring cover and turn to hub lower housing portion, it is secondary to form one Ball bearing；Front steering hub turntable shaft bottom is fixed with hinge bodies, and sprocket wheel is fixed with hinge bodies；Rear steering hub shell intracoelomic cavity, it is convex The reverse side of cap is fixed with mandrel and 3 planetary gear shafts vertically downward, is equipped with mandrel and swings to gear, filled in planetary gear shaft Planetary gear equipped with 2 disjunctors, wherein one engage with turning to hub turntable shaft inner chamber internal gear, another is with swinging to gear phase Engagement；Rear steering hub hinge bodies are fixed on and swung in the terminal pad of gear one, and sprocket wheel is arranged on turntable shaft bottom.

5. sail racing vehicle according to claim 1, it is characterised in that：Described sail connection component and it is integrated thereon Speed-limiting switch, sail connection component body are fixed in car bottom plate positioning hole using upper land and lower ring plate；Body upper part center Tapered endoporus, the high inclination-angle joint ball bearing of hole installation customization；The outer rim stepped on ring set and be mounted in upper land of speed-limiting switch, two perpendicular Feather key is assemblied in land guide groove；The processing of the push rod top on ring bevel is stepped on, inserts the push-rod hole of body, top oblique angle top In the microswitch inclined-plane touching being horizontally mounted；4 pairs of contacts of 2 double-contact microswitches connect a power electricity respectively Resistance, several speed limit coils from parallel connection of coils connected on disk during switch motion with cutting wheel rim speed limit disk magnetic field.

6. sail racing vehicle according to claim 1, it is characterised in that：Described sail connection component and it is integrated thereon Straight trip/steering conversion equipment, the mast lower end inserted in the tapered endoporus of sail connection component joint ball bearing pick out one section of driving lever, Rod end is equipped with bulb, and bulb top pressure is on boundary disk；Boundary disk is Axisymmetric Spherical band body, and lower section is connected as a single entity with push rod, on Section is recessed curved surface；The boundary disk of push rod actuating length≤driving lever Probe-radius+1/2 is high；Upper and lower end face is machined with turning slot Lock set component, be assemblied in sail connection component body lower surface and drain pan it is suitable for reading between；Middle frame set is fixed on body lower part, Lower lock tube is assemblied on middle frame set feather key through chute；The cylindrical mating surface of upper and lower lock tube is machined with the sine that can voluntarily align Line slides bank pair；Boundary disk is in playback state, maximum rotation amount >=120 ° for set component of locking, and≤150 °.

7. sail racing vehicle according to claim 1, it is characterised in that：Described chain, it is also possible to timing belt or gear Group substitutes, and during from timing belt, changes sprocket wheel into synchronous pulley；During from gear drive, including forward and backward vehicle bridge gear and Gear sum including straight trip/steering conversion equipment gear is even number, and rear steering hub is identical with front steering hub construction at that time.