All-terrain vehicle

 

(57) Abstract:

The invention relates to off-road vehicles with wheel propulsion. All-terrain vehicle has a wheel propulsion. The ratio G/ S1= 40006000, where G is the total weight of the vehicle, H; S1the total area of a support wheel mover, m2the ratio G/ V1<4000, where G is the total weight of the vehicle, N; V1- the sum of the amounts wheel mover, m3. The technical result of the invention is to improve terrain, including water, and reducing prokalivaemosti wheels of the vehicle. 2 Il.

The invention relates to off-road vehicles with wheel propulsion.

Known off-road vehicle - the all-terrain vehicle VAZ 19221, in which the ratio of the total weight, measured in Newtons, to the total area of a support wheel, measured in m2as well 20000-40000, and the ratio of the total weight, measured in Newtons, to the volume of wheel mover, measured in m3is 8000 (magazine "Behind the wheel", 3, 98, S. 30-31).

A disadvantage of the known vehicles is significant cleaopatra on loosely coupled soils exploit is independent of the exit hole on the ice. A disadvantage of the known vehicle is limitation of the cross.

The objective of the invention is to increase terrain, including water, and reducing prokalivaemosti wheels of the vehicle.

The problem is solved due to the fact that the all-terrain vehicle with the wheel propulsion ratio G/ S1= 40006000, where G is the total weight of the vehicle, H (in Newtons); S1the total area of a support wheel mover, and the ratio G/ V1<4000, where G is the total weight of the vehicle, N; V1- the sum of the amounts wheel mover, m3.

The ratio of full weight bearing area is the pressure of 4-6 kPa, which leads to a small deformation loosely coupled soil, and when driving on snow is equal to the pressure of a person on a wide (width 100 mm) hunting skiing. The use of such pressure is only possible for the elastic cameras, because the pressure caused by the rigidity of the tire is 10-20 kPa (A. S. Litvinov, I. E. Paraben, "Car", theory of operational properties, M., "engineering", 1989, S. 214).

By reducing the pressure below 4 kPa disrupted wheels due to folding. The increase in pressure the second wall 3.5 mm when the height of the sharp piercing object height of 25 mm (the new nail show what these forces perforation is less valid at a pressure of less than 6 kPa. Thus, under these conditions no perforation. Calculations confirmed by practice.

The ratio of full weight and volume wheel propeller less than 4000 corresponds to the flooding of the vehicle with the water level below the axes of the wheels on 10% of the volume wheel (200 mm to 1200 cameras), allowing you to confidently and effectively implement swimming and a separate exit hole on the ice. Changing attitudes G/ V1>4000 increases the resistance swimming, increases the cost of power on the drive and requires design complexity due to sealing devices kinematics and body, which leads to an increase of the total weight of the vehicle.

In Fig.1 shows an all-terrain vehicle, side view;

in Fig.2 - type "A" in Fig.1.

All-terrain vehicle 1 has a wheel mover 2. Wheel propulsion device 2 has a volume of V1one wheel and the bearing area S1also one wheel. When driving all-terrain vehicles by land ratio G/ S1= 40006000 ensures operability of wheel mover without punctures by sharp objects such as nails, height desti all-terrain vehicle and a relatively low resistance wheel mover, as well as simplifying and facilitating construction.

The provision of these relations is concerned with the full weight and wheel parameters. If the wheels of the selected defined, then the full weight of the vehicle must be in the appropriate ratio. Or, if adopted by the full weight of the vehicle options wheels must be relevant. This can be achieved by choosing the sizes of the wheels or their doubling.

All-terrain vehicle with the wheel propulsion, characterized in that the relation

G/ S1= 4000-6000,

where G is the total weight of the vehicle, N.;

S1the total area of a support wheel mover, m2,

moreover, the relation

G/ V1<4000,
V1- the sum of the amounts wheel mover, m3.

 

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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

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