The invention relates to amphibious vehicles and for the establishment of snowmobile amphibians. Snowmobile amphibian has a auger truck, driven two-stroke petrol engine. The snowmobile includes a common frame, which is equipped with ball bearings two aluminum auger with a hollow cylindrical part with a volume of up to 0.15 m3. The frame is equipped with: adjustable driver's seat, steering column, two-stroke gasoline engine, fuel tank, friction gearbox with two magnetic friction flywheels, the control unit friction flywheels and drive clutch, accelerator pedal, brake pedal magnetic friction wheels, flexible drive cables from the flywheel to Sneem, the exhaust system of the engine and the trunk. Drive ferromagnetic clutch mounted on the shaft of the engine through the clutch speeds. On the shafts of the magnetic friction wheels are graphite bushings with the dewatering their forks rotation. Sleeves are connected with the shafts of the augers flexible drive cables. On the steering column, the control position of the friction wheels separately, are rotatable sleeve manual control of the accelerator arm scoresa 2-3 HP with at 3000-3500 rpm Friction flywheels can be mutually attracted by the permanent magnets and the surface of the flywheel facing the drive clutch can have a carbide coating. The technical result of the invention is to reduce the cost of the snowmobile and in ensuring a high speed of movement and durability of the chassis of the truck. 6 C.p. f-crystals. 2 Il. 1. The technical field to which the invention relates the Invention relates to a device movement on snow, marsh and water routes, in particular, to snowmobiles-amphibians.2. The prior art various motorcycle and pedal snowmobile rubber tracks, blade snow rotors and aerodynamic screws.The closest prototypes are the snowmobile with the power rotor, driven by a pedal actuator by means of a chain, patent of Russia 2125946 (Long, M. A., and others) with priority 09.04.96 and Snowmobiles amphibious" - the application for the invention of the Russian Federation 97107379/28 priority 06.05.97 (Tuhtenko Century. And. and others) .However, a disadvantage of the known designs is the absence of such, which would be significantly cheaper different motophoto and not much of Dororo truck.This can be implemented in motoneurone with hollow screw tracks and magnetic friction gearbox, eliminating the use of springs and bearings to ensure a practically constant pressure of the friction to each other.3. The invention is a schematic diagram of the snowmobile shown in Fig.1 and 2.The snowmobile has a total frame 1, which is equipped with ball bearings 2 two rotating in different directions aluminium screw 3 with the diameter of the hollow cylinder 300 mm in total diameter of 400 mm and a length of 1.7 mOn the frame 1 installed: adjustable driver's seat 4, the steering column 5, two-stroke petrol engine capacity of 2.5 HP 6, the fuel tank 7, the friction gearbox 8, the control device of the magnetic friction flywheel 9 and the drive clutch 10, the accelerator pedal 11, the brake pedal of the hydraulic clutch 12, the muffler 13 and the trunk 14.The top screws enclosed aluminum panel 15.The drive screw comprises a drive clutch 10, secured by a coupling speeds 16 to the motor shaft 6, two powerful magnetic frictions 9 with a protective casing, the shafts of which are graphite sleeve 17 with the plugs turn 18, the sleeve 17 are connected with the shafts of the screws 3 died the of the motor 6, the pedal disengagement of the hydraulic clutch 9 is connected by rods with the plugs 18 so that in the lowest position it is fixed, providing idling, and pressing and lifting provides the pressing of the friction to the drive clutch 10.On the steering column, the control position of the hydraulic clutch 9 separately, are rotatable sleeve 20 manual control of the accelerator lever 21 speeds and the ignition key 22.The exhaust pipe of the engine is placed in garrote 23, at the end of which is mounted the muffler 13.The snowmobile is as follows.Turn on the ignition with the key 22. Set the pedal 12 in the position of disengagement of the hydraulic clutch 9 and through the winding of the cord to start the engine.Occupied the seat 4, by using the handle 21 set minimum speed and pressing and slow release pedal 12 input clutch the hydraulic clutch 9 with a drive clutch 10. Begin the movement by adjusting the speed of the pedal 11 and in the direction of travel when the right gear crank gear 21.To ensure rotation in either direction using the steering column 5. When turning in the right side of the fork 18 press the corresponding clutch 9 from the drive to the clutch 10. There is a corresponding screw 3, providing a turn. Magnetic attraction of the flywheel to the drive train clutch prevents it from slipping relative to the friction surface of the flywheel. Speed at constant power may be gradually increased by means of a lever 21 that can move the drive clutch 10 is closer to the center of the hydraulic clutch 9. Stop the snowmobile discharge gas pedal 11 and the pedal 12. Pedal braking is not required, as the screws 3 provide the clutch the hydraulic clutch 9 braking.A snowmobile can provide the speed of movement of one person in a snow-covered surface using engine capacity of 2.5 h.p. to 60 km/h. The weight of the snowmobile is not more than 80 kg with a displacement of 230 kg4. List of figures Fig.1 is a schematic diagram of the snowmobile (side view), Fig.2 is a schematic diagram of the snowmobile (top view).
Claims1. Snowmobile amphibian with auger trucks, driven two-stroke gasoline engine, characterized in that it consists of a common frame, which is equipped with ball bearings two aluminum auger with a hollow cylindrical part with a volume of up to 0.15 m3on the second tank, friction gearbox with two magnetic friction flywheels, the control unit friction flywheels and drive clutch, accelerator pedal, brake pedal magnetic friction wheels, flexible drive cables from the flywheel to Sneem, the exhaust system of the engine and the trunk, while the drive ferromagnetic clutch mounted on the shaft of the engine through the clutch speeds, and on the shafts of the magnetic friction wheels are graphite bushings with the dewatering their forks rotate with the sleeve connected with the shafts of the augers flexible drive cables on the steering column, the control position of the friction wheels separately, are rotatable sleeve manual control of the accelerator, arm speed and the ignition key, and both auger closed top protective aluminum panel.2. Snowmobile amphibious under item 1, characterized in that as the engine uses a two-stroke carburetor gasoline engine with a capacity of 2-3 horsepower at 3000-3500 rpm3. Snowmobile amphibious under item 1, characterized in that the screws are made of aluminum alloy with the diameter of the hollow cylinder of 300 mm and an outer diameter of 400 mm, and the step of the screw is 200-300 mm in length snakemen magnetic friction wheels 200-250 mm5. Snowmobile amphibious under item 1 or 4, characterized in that the friction flywheels are mutually attracted by the permanent magnets with a magnetic induction of up to 1 T, and the surface of the flywheel facing the drive clutch, have a carbide coating.6. Snowmobile amphibious under item 1 or 4 or 5, characterized in that the drive clutch is made of ferromagnetic steel with tungsten carbide coating.7. Snowmobile amphibious under item 1 or 3, characterized in that the hollow auger trucks provide a displacement equal to 230 kg
FIELD: transport engineering; amphibian vehicles.
SUBSTANCE: proposed vehicle has trimaran water displacement body, wheeled propulsive device and water propulsor. Two pressure chambers with fans are installed in bow of body. Surface of body bottom part is provided with bend having two slot-like holes connected with pressure chambers to let out air jets created by fans and forming air cushion in under-bottom space. Wheeled propulsive device is of rolling type and it has individual drive from geared motors. Wheels of propulsive device are made in form of cylindrical housing with flanges on outer surfaces of which round-shape cross slots are milled in number corresponding to number of support and rest flexible members of rim secured by pins in holes of flanges for turning through angle of roll out to form, together with wheel rim and inner engagement of support-and-drive device of vehicle, mechanism with three degrees of freedom implementing rolling system with negative friction providing translational movement of vehicle owing to upward-forward (backward-up-ward) displacement of center of masses. Support-and-drive device can be furnished with covers interconnected by studs. End of upper stud can be made in form of cylinder fitted into extensible grip installed in upper part of vehicle body on its side to change mode of operation of wheel. Water propulsor can be made in form of paddle wheels installed on vertical posts for vertical displacement and containing cylindrical housing fitted in bearings on axle and paddles of rectangular shape or paddles with bevels to build additional traction force and increase efficiency when moving in water or negotiating bogged terrains.
EFFECT: improved operating characteristics of amphibian vehicle.
3 cl, 6 dwg
FIELD: armored equipment, in particular, armored caterpillar vehicles.
SUBSTANCE: the vehicle is provided with folding water displacement tanks, whose spaces communicate with the inner space of the hull, sections of hinged flaps-pontoons, hinge-joined along the hull on the sides and that can in the non-operating position be packed up on the left-hand and right-hand flaps of the hull from the top, built in the rear sections of the flaps-pontoons on the sides of water - motion propellers of the "packed propeller" type with a drive from the power plant, that can in the inoperating position be packed up in the recesses in the upper rear part of the hull and be hinged together with the rest sections of the flaps-pontoons, hydrofoil in the nose section of the hull. A 12.7-mm machine gun with a circular rotation is installed on the hull roof with a forward shift. The vehicle has a mass up to 5.5 tons.
EFFECT: enhanced speed and stability of motion afloat.
FIELD: transport engineering.
SUBSTANCE: invention can be used for creating amphibian with open seat and common drive for simultaneous or in-turn operation of ground and water propulsion drives. Proposed amphibian vehicle with open seat is furnished with drive engine to operate, either in turn of simultaneously, ground propulsion or water propulsion drive made in form of jet drive by means of two independent clutches. Ground propulsion drive is made as all-wheel-drive. Drive engine is installed between ground propulsion axles under seat. Front and/or rear wheels are made for turning opposite to direction of vehicle movement when moving over water. According to proposed method, ground propulsion drive is engaged at water movement, and front and/or rear wheels are set into rotation opposite to direction of movement. At movement over water control is effected by means of rotary reactive nozzle and by control of front wheels.
EFFECT: improved operating characteristics of amphibian vehicle.
8 cl, 2 dwg
FIELD: transport engineering; amphibians on pneumatic wheels.
SUBSTANCE: proposed vehicle has hull with smooth bottom and pneumatic wheels with drive and treads. Tires of pneumatic wheels are furnished with water-gripping treads. Skis are installed at adjustable angle of incidence under smooth bottom behind wheels at a distance from wheels. Skis are made adjustable in height through ski clearance and they have width not less than thickness of wheels. Ends of skis are truncated upwards, and redans are made before wheel drive axles.
EFFECT: possibility of moving over water at higher speed without considerable increase in engine power rating.
FIELD: transport engineering.
SUBSTANCE: proposed steering gear of amphibious vehicle has levers arranged in control cabin at working place of driver, and control tie-rods coupled with ground and water-propelled units. Proposed gear is furnished with turning mode selector arranged between said levers and control tie-rods. Turning mode selector is made for changing to control side gearbox distributors when moving over ground and to control rudders of water-propelled units and transmission of increased control force when moving over water. Change-over is provided through summing lever installed on axle under floor of control cabin, traction-and-lever mechanism furnished with hydraulic booster and made for converting translation of tie-rods into rotation of telescopic propeller shaft, and through mechanism to convert rotation of telescopic propeller shaft into translation of cross steering tie-rod. Steering tie-rod is coupled with inner blades of rudders of left-hand and right-hand water-propelled units. Turning mode selector can be made in form of roller clutches with rods coupled by link and installed for axial displacement by means of two-position link with fixing in operating positions by ball stop. Making of telescopic propeller shaft hydraulic system of rudder booster of water-propelled unit and mechanism for converting rotation of telescopic propeller shaft into translation of cross steering tie-rod is shown.
EFFECT: simplified design, improved reliability and operating characteristics of steering gear with possibility of control by levers both when moving over ground and over water.
5 cl, 14 dwg
SUBSTANCE: invention can be used in designing ramp and propulsion and steering gear and their hydraulic systems. Novelty in proposed water craft is that it is furnished with streamlined carrying frame for fastening devices of propulsion and steering complex installed in hull aft part and formed by two pairs of rigid longitudinal beams hinge secured by inner ends of aft sheet of hull in zone located under loading side coupled by flexible cross beams in each pair and support bar between pairs. Hydraulic heads of propulsors are hinge-mounted on outer ends of each pair of longitudinal beams, being secured on said beams to form additional cross tie between beams. Carrying frame is furnished with power hydraulic cylinders connected with hydraulic system and installed to control position of heads and loading side by turning carrying frame in aft sheet hinge joints. Body of each is provided with upper roller support, being rolling support for each hinged loading side at its opening, and lower platform being rigid base interacting with ground at resting of hinged loading side on head body in loading position of loading side. Novelty in hydraulic system of watercraft is that it is furnished, in additional to propulsor control hydraulic cylinders, with hydraulic cylinders for setting ramps, changing thrust vector, fixing loading side and locking carrying frame. Each hydraulic cylinder, including propulsor position control hydraulic cylinders, are supplied through parallel hydraulic lines connected with main line, with electric control in each line. Invention contains description of design peculiarities of each line providing required modes of operation of watercraft.
EFFECT: improved performance of watercraft and creating of hydraulic system providing required mode of operation of watercraft.
9 cl, 11 dwg
FIELD: shipbuilding; designing amphibians.
SUBSTANCE: proposed amphibian has hull including deck and bottom; located under hull are pneumatic bottles and elastic protective shock-absorbing bottom in form of skin made from strips of material possessing high abrading resistance which are laid transversely overlapping each other. Amphibian is provided with motor plant and control member. Bottom skin extends as far as upper portion of hull; it is secured at clearance between sides and skin due to projection of extreme pneumatic bottles beyond surface of bottom. Skin strips are secured by means of rope lacing on the outside of amphibian perimeter. In case of availability of fender guards on sides, rope lacing may be made by means of lacing eyes. It is good practice to build bottom of two parts: upper and lower with clearance between them which is filled with elastic deformation material. Pneumatic bottles located between bottom and skin may be assembled from components of different diameters. Extreme bottles may have similar diameters of greater magnitude. Diameter of remaining intermediate pneumatic bottles may be lesser as compared with diameter of extreme bottles.
EFFECT: simplified construction of amphibian; enhanced protection; reduced mass; enhanced strength; increased running speed; enhanced maneuverability and economical efficiency.
4 cl, 1 dwg
FIELD: amphibian aircraft control systems.
SUBSTANCE: proposed system includes water touchdown sensor, unit of amphibian aircraft motion parameter sensors and computer for forming elevator automatic deflection signal. Control system includes optimal pitch angle setter and unit of amphibian aircraft motion parameter sensors includes sensor of speed made good through the water and present pitch angle sensor. Computer includes preset pitch angle stabilization unit and smooth connection unit.
EFFECT: improved safety characteristics; enhanced seaworthiness.
FIELD: transport engineering; amphibians.
SUBSTANCE: invention relates to amphibian vehicles, particularly, to post of hydraulic systems suspension. According to invention, vehicle has at least one wheel shifted out from vehicle body to support vehicle when it is used on the ground and retracted for use on water. Vehicle is furnished additionally with hydraulic cylinder containing hydraulic fluid, piston installed for movement inside cylinder and dividing the cylinder into first and second chambers, device to connected piston with suspension lever mechanism connected with wheel, first two-position valve designed to control fluid flow between first and second chambers at least on section of working stroke of piston, and second two-position valve connected only with one of first and second chambers. When first valve is open, and second valve is closed, post provides functions of suspension and/or damping of wheel vibrations. When first valve is closed and second valve is open, post serves as drive to move wheel between extended and retracted positions.
EFFECT: provision of retraction and extension of wheel through distance exceeding that required for normal riding.
13 cl, 11 dwg
FIELD: transport engineering; amphibian vehicle power train.
SUBSTANCE: proposed power includes engine with crankshaft, clutch or fluid coupling and transmission installed in line with engine crankshaft. Transmission has input shaft set into rotation from flywheel. Moreover power train contains additionally power takeoff unit designed to drive power takeoff shaft which is made for transmission of power to propulsion set intended for moving vehicle over water. Power takeoff unit has drive device secured on end of crankshaft on which flywheel is mounted. Drive device is made for transmission of power to power takeoff shaft.
EFFECT: improved layout of power train.
19 cl, 8 dwg