Self-propelled chassis for compact vehicle

FIELD: transport.

SUBSTANCE: invention relates to transport engineering. Self-propelled chassis of compact vehicle includes carrying frame, engine with transmission and drivetrain mounted on the frame, suspension, driver's workplace located in cabin with steering column and necessary control elements. In the front part of carrying frame, underframe is located. The transmission is provided with automatic centrifugal clutch, variable-speed gear or belt drive and reduction reverse gearbox with differential. Engine and reverse gearbox are mounted on underframe. The uderframe is mounted on carrying frame on cushions. Automatic centrifugal clutch is mounted directly on engine crankshaft. Front wheels are made driving ones. Front wheel drive is made in the form of constant-velocity universal ball joints. Cabin is made as spatial load-bearing structure.

EFFECT: decrease in dimensions of vehicle.

4 cl, 3 dwg

 

The invention relates to vehicles, namely small-sized machines that perform with the possibility of using them for the maintenance of public areas in urban residential areas, including for mounting with replaceable working equipment municipal purposes, for example, street cleaning, snow removal, carriage of welding equipment with gas cylinders and more.

Known chassis multifunctional machine for mounting with replaceable working equipment municipal purposes according to the patent of Russian Federation №2169095, CL B62D 63/00, 2001, including the frame, the cab, the engine is mechanically connected to a gearbox PTO, gearbox and front and rear driving axles. The frame is made of two pivotally interconnected front and rear semi-frames, the operator's cab is placed in front of the front frame, forward relative to the axis of the front axle and is arranged to tilt forward, the engine is placed on the front frame along the longitudinal axis of the machine with side shift and side of the engine where the flywheel is directed forward in the direction of the machine, gearbox placed on the front subassembly is laterally offset on the other side of the longitudinal axis of the machine parallel to the axis �engine and connected with the latter mechanically by gear, the engine, gearbox and gearbox power take-off positioned on the front frame, part behind the cab rear wall and partially under the cab.

Despite its relatively small size compared to a full-fledged truck chassis, this chassis has a large size in comparison with the declared chassis, free layout, large width and, consequently, a greater turning radius.

Known chassis UAZ-3303, comprising a frame with a cab, the engine is kinematically connected with the gear box and front and rear driving axles, and suspension and steering (see UAZ-3741, UAZ-3962, UAZ-3909, UAZ-2206, UAZ-3303 and their modifications. Manual re 05808600.059-96. Ulyanovsk, 2001).

Listed UAZ dimensions considerably exceed the stated chassis, they have no autonomy of the power plant, they are less compact, have a large turning radius, which greatly affects work in cramped local conditions.

Known chassis multifunctional utility vehicles according to the patent of Russian Federation No. 115753, CL B62D 63/00, 2011, as adopted by the applicant as a prototype. It contains a heavy-duty frame with cab, the engine is kinematically connected with the gear box, gearbox PTO and front and rear driving axles, and chassis �part b and steering the peculiarity lies in the fact that the frame has a removable najemnik hydraulic equipment, front part of the chassis is provided with a rigidly fixed on the frame of a universal plate for installation of interchangeable attachments, and rear axle are pivoted and connected with the steering control.

This design of the chassis allows installation and removal of attachments without the use of lifting mechanisms. This ensures mistressjanet and eliminates the loss of hydraulic fluids.

This chassis can be coupled with various kinds of attachments, designed for year-round road maintenance, sidewalks and/or intra quarter territories, for example, with a sand-spreading machine, wheel washing machine. In addition, it is possible to install on the chassis of the fire and drilling equipment, tippers and/or bodies for the transportation of people.

However, it does not accommodate any alterations in terms of changes in vehicle assignments, and work in cramped spatial conditions due to its dimensions.

An object of the invention is the creation of a self-propelled chassis of the vehicle, having particularly small dimensions and allows due to its design this �AZE to create a small vehicle for various purposes, able to work in cramped spatial conditions, to carry small loads, specially for loading which matched low loading height is only 350 mm from ground level.

The problem is solved in that in the proposed solution in front of the supporting frame placed subframe, the transmission is provided with a centrifugal automatic clutch, CVT or belt transmission and step-down reverse gear and differential gear, engine and reverse gear is mounted on a subframe, and a subframe mounted on the main frame, cushions, and a centrifugal automatic clutch mounted directly on the crankshaft of the engine, the front wheels are made by the leading and the drive to the front drive wheels are in the form of hinges of equal angular speeds, the cabin is made in the form of spatial power of the framework.

In addition, the supporting frame is made with possibility of changing the base, and the rear suspension is made in the form of a standalone unit and has the ability to install on a frame and with a short base and long base.

In addition, the reverse gear is connected to the engine via a centrifugal automatic clutch by a variator or belt drive, and constant velocity joints connected to the differential gearbox to transmit torque n� the drive wheels.

In addition, the supporting frame is made in the form of a carrying truck, the rear wheels which is made passive, and the front part of the carrier truck made in the form of a monoblock with the leading wheels, which provides the vehicle movement, making turns and braking.

The technical result from the use of the proposed solution is that due to the claimed combination of features, a compact self-propelled chassis, allowing its database to perform well as a small vehicle for various purposes, except for the possibility of mounting various kinds of attachments for special purposes.

Fig.1 shows a self-propelled chassis, compact vehicle, front view;

Fig.2 - self-propelled chassis, compact vehicle, side view;

Fig.3 - self-propelled chassis, compact vehicle, top view.

Self-propelled chassis of the motor vehicle comprises a supporting flat frame 1, the front of which is placed a sub-frame 2, the engine 3 and the transmission. The driver in-cab 4 steering column 5, the front wheels 6 and rear wheels 7.

The carrier frame 1 is made in the form of a carrying truck, the rear wheels 7 which is made passive, and the front� part carrier truck made in the form of a monoblock with the leading front wheels 6, which provides the vehicle movement, making turns and braking.

The transmission is provided with a centrifugal automatic clutch 8, the CVT 9 or belt transmission 10 and step-down reverse gear 11 with the differential inside.

The engine 3 and the reverse gear 11 is mounted on the subframe 2 and subframe 2 is mounted on a supporting frame 1 on the cushions 12.

The front wheels 6 are leading, and the drive to the front drive wheels 6 are in the form of hinges of equal angular speeds 13.

Centrifugal automatic clutch 8 are mounted directly on the crankshaft of the engine 3 and the cockpit 4 are formed in a spatial load-bearing structure.

Reverse gear 11 is connected to the engine via a centrifugal automatic clutch by means of a belt 10 or variator 9 and the hinges of equal angular speeds 13 is connected with the differential gearbox 11 to transmit torque to the drive wheels 6.

In addition, at the front of the base frame 1 is mounted a fuel tank 14. Front suspension 6 made in the form of a normal rack 15, borrowed from the front of the car VAZ. In the cockpit the steering column 4 has 5 with a steering wheel 16 and other necessary controls.

Front strut 15 assy to the knuckle, and the steering column 5,the steering rack, tie rods and brake system borrowed from automobiles without any modifications.

The carrier frame 1 is arranged to change the base, and the rear suspension is made in the form of a standalone unit and has the ability to install on a frame 1 and with a short base and long base. Through this you can extend the main support frame to the desired size and rear suspension attached to it, to receive elongated base or short.

Elongation is carried out at the expense of spatial add-in farm and transfer the rear suspension to the desired value. This is performed at the production stage. The rear suspension is made with the possibility of adjustment for hardness, which allows you to configure it to load.

Self-propelled chassis of the motor vehicle operates as follows.

Torque from the engine 3 through a centrifugal automatic clutch 8 and the variator 9 or strap 10 is transmitted to the reverse gear 11. Reverse gear 11 lowers the speed, and the reverse. With an installed output of reverse-reduction gear 11 of the differential torque is transmitted to the front drive wheels 6 through the hinges of equal angular speeds 13.

The proposed layout of self-propelled chassis has the advantage that it is a self-contained mechanism Tr�Sportage funds and can operate autonomously without the rear of the chassis, it is basically a truck that can be executed in different ways, depending on the destination of the vehicle.

The front part is assembled from individual elements, which together are the and power plant, and drive and control the vehicle, and represents a monoblock monoblock power.

Before designing the proposed chassis was tasked to create a reliable vehicle, very independent from additional equipment: battery, radiator, alternator, and other attachments, but not to deprive his starter, lighting, etc.

This was chosen aggregate four-stroke engine used on generators, pumps, etc. the Park such engines are now very wide and the model number and capacity. The selected range was from 9 l/s 15 l/s, as they are the same dimension and correspond to power the bike with his 12 forces. This engine is self-sufficient, he doesn't need any additional devices to work. It comes with a starter, but has manual start. It has its own forced-air cooling that does not require a radiator and antifreeze. Has a mechanical speed limiter, allowing you to twist and kill the engine, and a little more �scarlet tricks to his survivability. Installing such an engine generator with permanent magnets, obtain an independent source of electricity for lights and on-Board electrical equipment.

With transmission also decided to go the modern way and to complete the automatic centrifugal clutch of its own production and the CVT, its also. When such transmission will have two pedals: gas and brake. It will be very easy to move, and to stop and if mishandled the engine will never stall.

Wheels selected Wazowski 13-inch. Suspension front also chose from the front of the car VAZ.

Reverse gear its made with reverse and differential, completes the integration of power front.

The use of the proposed technical solution is possible to create a compact self-propelled chassis of a vehicle having a particularly small size, allowing at its base to create a small vehicle for various purposes, including an Autonomous power unit and small turning radius, giving the opportunity to work in cramped spatial conditions - to carry small loads, specially for loading which matched low loading height is only 350 mm from ground level.

1. Self-propelled chassis of the motor vehicle containing bear�th frame, placed on it the engine with the transmission and drive wheels, the suspension, the driver in-cab steering column and the necessary controls, characterized in that at the front of the support frame is placed subframe, the transmission is provided with a centrifugal automatic clutch, CVT or belt transmission and step-down reverse gear and differential gear, engine and reverse gear is mounted on a subframe, and a subframe mounted on the main frame, cushions, and a centrifugal automatic clutch mounted directly on the crankshaft of the engine, the front wheels are made leading, but the drive to the front drive wheels are in the form of hinges of equal angular speeds, the cabin is made in the form of spatial power of the framework.

2. Chassis according to claim 1, characterized in that the supporting frame is made with possibility of changing the base, and the rear suspension is made in the form of a standalone unit and has the ability to install on a frame and with a short base and long base.

3. Chassis according to claim 1, characterized in that the reverse gear is connected to the engine via a centrifugal automatic clutch by a variator or belt drive, and constant velocity joints connected to the differential gearbox to transmit torque m�ment to the drive wheels.

4. Chassis according to claim 1, characterized in that the supporting frame is made in the form of a carrying truck, the rear wheels which is made passive, and the front part of the carrier truck made in the form of a monoblock with the leading wheels, which provides the vehicle movement, making turns and braking.



 

Same patents:

FIELD: transport.

SUBSTANCE: proposed tractor comprises the carcass with engine and transmission, running gear composed of wheel or caterpillar propulsor and suspension jointing the engine with said carcass, cabin with operator seat, working hardware, engine and transmission controls, working tools, operator board and controller. The latter comprises long-term storage, RTC, digital computer and data I/O device adapted for wire or wireless data transfer to external device, and tractor operating and diagnostics parameters transducers. Said controller processes, stores and accumulates said parameters in said long-term store. Optionally, tractor life till servicing and residual life are forecast. Besides, violations of operating conditions by operator and estimation of its qualification are revealed. Required data and recommendations are presented to operator. Operating parameters are adequately adjusted and validity of parameters is ensured.

EFFECT: higher reliability.

14 cl, 1 dwg

FIELD: transport.

SUBSTANCE: transmission comprises clutch, gearbox, chain gearing, differential gearbox, differential lock, two brakes, two axles, four chain final drives and wheel drives. Note that wheel drives are composed of planetary wheel reduction gears fitted in rear driving wheels and differential gears fitted in front driving wheel hubs.

EFFECT: higher efficiency of operation.

1 dwg

FIELD: transport.

SUBSTANCE: invention relates to transport engineering. Proposed vehicle comprises main chassis supporting the cabin with floor for erection of one seat. Floor part includes dual-wall structure to accommodate vehicle control hardware. Said dual-wall structure is composed by top and bottom follow part and has first and second sections. First section is located at cabin front while second section is located at cabin rear. Second section is located higher than the first one to make a stepped structure.

EFFECT: better access to control equipment.

8 cl, 4 dwg

FIELD: transport.

SUBSTANCE: invention relates to transport engineering. A vehicle comprises a frame, a cabin, a tubular safety carcass, two seats, an engine, two front and two rear wheels and a steering mechanism. A side safety guard extends in a side opening and has the top attachment point connected to the tubular safety carcass. The bottom attachment point is connected to the said frame or the tubular safety carcass. Every top and bottom attachment point is located behind the steering wheel in the lengthwise direction. The front attachment point is connected to the frame or the tubular carcass ahead of one of the top attachment points and one of the bottom attachment points in the lengthwise direction. When the front attachment point is connected to the frame or the tubular carcass, the side flexible guard extends forward and downward from the top attachment point and forward and upward from the bottom attachment point to the front attachment point. When the front attachment point is disconnected from the frame or the tubular safety carcass, the flexible side guard downs by gravity to a position whereat the front attachment point is located downward from the steering wheel in the lengthwise direction.

EFFECT: higher safety of the driver and passenger is achieved.

18 cl, 7 dwg

Small tractor // 2528524

FIELD: transport.

SUBSTANCE: small tractor comprises frame composed by horizontal tubular element. Bearing assy for pitman arm is arranged at one its end while vertical strut is fitted at its opposite end. One end of said strut is secured to rear axle housing with its lengthwise axis located perpendicular to tubular element lengthwise axis. Seat is arranged at opposite end of vertical strut. Rear wheels are fitted in bearing assemblies of rear axle housing, one wheel being equipped with brake. Pitman arm composed of vertical post is fitted in tubular element bearing assy to spin through 360 degrees. Steering wheel with engine controls is mounted at top part of the strut. Strut lower part is composed of bracket rigidly coupled with crossbar. Said crossbar has seat for bearing of said tubular element. Said crossbar has lateral supports to locate front wheels. The latter has lateral supports to accommodate front wheels arranged to allow control over centre-to-centre distance of said wheels. One of the wheels is articulated with engine output shaft secured at pitman arm horizontal tubular element. Bearings for every rear and front wheels are, preferably, two-rod bearings. One footstep and frame attached from below to tubular element are composed by tubes.

EFFECT: higher manoeuvrability.

4 cl, 4 dwg

Small tractor // 2528518

FIELD: transport.

SUBSTANCE: small tractor comprises frame composed by horizontal tubular element. Bearing assy for pitman arm is arranged at one its end while vertical strut is fitted at its opposite end. One end of said strut is secured to rear axle housing with its lengthwise axis located perpendicular to tubular element lengthwise axis. Seat is arranged at opposite end of vertical strut. Rear wheels are fitted in bearing assemblies of rear axle housing, one wheel being equipped with brake. Pitman arm is fitted in tubular element bearing assy to spin through 360 degrees. Steering wheel with engine controls is mounted at top part of the strut. Strut lower part is composed of bracket rigidly coupled with crossbar. Said crossbar has seat for bearing of said tubular element support. The latter has lateral supports to accommodate front wheels arranged to allow control over centre-to-centre distance of said wheels. One of the wheels is articulated with engine output shaft secured at pitman arm horizontal tubular element. Bearings for every rear and front wheels are, preferably, two-rod bearings. One footstep and frame attached from below to tubular element are composed by tubes.

EFFECT: higher manoeuvrability.

2 cl, 4 dwg

Small tractor // 2528502

FIELD: transport.

SUBSTANCE: small tractor comprises frame composed by horizontal tubular element. Bearing assy for pitman arm is arranged at one its end while vertical strut is fitted at its opposite end. One end of said strut is secured to rear axle housing with its lengthwise axis located perpendicular to tubular element lengthwise axis. Seat is arranged at opposite end of vertical strut. Rear wheels are fitted in bearing assemblies of rear axle housing, one wheel being equipped with brake. Pitman arm composed of vertical post is fitted in tubular element bearing assy to spin through 360 degrees. Steering wheel with engine controls is mounted at top part of the strut. Strut lower part is composed of bracket rigidly coupled with crossbar. Said crossbar has seat for bearing of said tubular element. The latter has lateral supports to accommodate front wheels arranged to allow control over centre-to-centre distance of said wheels. One of the wheels is articulated with engine output shaft secured at pitman arm horizontal tubular element. Bearings for every rear and front wheels are, preferably, two-rod bearings. One footstep and frame attached from below to tubular element are composed by tubes.

EFFECT: higher manoeuvrability.

4 dwg

FIELD: transport.

SUBSTANCE: invention relates to transport engineering. Proposed vehicle consists of engine, cabin, frame, drive wheels and movers. Every said mover consists of four wheels with gimbal suspension drive fitted at the ends of radial brackets driven by planetary gearing. Axle consists of differential with propeller shaft and telescoping several axles. Every said axle represents and independent design. First axle is engaged with planetary gearing to drive in synchronism all four wheels of one mover. Besides it engages with brakes via bevels pinions. Second axle doubles as a steering also engaged with planetary gearing to turn in synchronism all four wheels of one mover through 360 degrees. Third sale engages with planetary gearing with gimbal suspensions with wheels to be driven by switch, that is, third axle is engaged with first axle to make switch move the wheels over obstacles from above to simulate overcoming of said obstacles.

EFFECT: higher flotation and manoeuvrability of vehicle.

5 dwg

FIELD: transport.

SUBSTANCE: invention relates to transport engineering. Proposed vehicle consists of engine, cabin, frame, steering and propulsors. Frame is composed of a regular circle to support propulsors equally spaced apart at gimbal mounts. Started engine interacting with gearbox drives said propulsors via chains. All propulsors are interconnected by said chains. Cabin is mounted at the frame to turn thereabout. At steering wheel turn cabin turns synchronously and parallel with said propulsors in one direction relative to said frame. Cabin can be turned relative said frame with the help of steering wheel booster. Cabin turns the sprocket secured to the tube at cabin bottom center to turn the propulsors, said frame being fixed relative to propulsors and cabin. Movable connection of steering controls is arranged at cabin bottom center.

EFFECT: perfected design, simplified repair and servicing.

10 dwg

Vehicle chassis // 2493038

FIELD: transport.

SUBSTANCE: invention relates to automotive industry. Vehicle chassis comprises front drive wheels, rear drive wheels, frame with rails and crossbars, drive wheel independent suspensions with resilient members and dampers and main gears driven by the engine. Independent suspensions are articulated with said frame and wheel journals by transverse levers. Main gears are coupled with drive wheels by transverse drive lines. Frame rails are composed of straight parallel beams of identical wall height over their entire length. Said main gears are arranged between said rails and rigidly connected with said frame. Rail wall has opening for cardan shaft to pass there through from main gear to drive wheel. Frame reinforcement elements having cardan shaft passages are connected to frame rails in aforesaid opening area. Crossbars are connected to said reinforcement elements to support main gears, drive wheel suspension transfers lever joints connecting the levers to the frame. Resilient element and drive wheel suspension damper supports are mounted at the frame reinforcements and rails.

EFFECT: decreased loading height.

2 cl, 6 dwg

Marsh vehicle // 2252890

FIELD: transport engineering; self propelled vehicles.

SUBSTANCE: invention can be used for exploration and development well drilling, load carrying, pipe laying and road building in marshy areas. Proposed march vehicle consists of power plant whose power is transmitted through transmission to two rows of similar cylindrical drums with projecting ridges. Ridges of each following drum are higher than those of preceding drum to provide reliable adhesion of vehicle with soil.

EFFECT: improved reliability in operation.

2 dwg

FIELD: transport engineering; self-propelled vehicles.

SUBSTANCE: invention can de used for towing freight trailers over marshes. Proposed crawler tractor is furnished with sealed hollow supports-floats with welded up front and rear ends which almost completely remove pressure of tractor onto surface of marsh and thus unload propulsive unit. Alternation of group of track links with short horns and track links with high horns makes it possible to create pulling force sufficient for towing freight platform bodies.

EFFECT: improved cross-country capacity.

2 dwg

Swamp tractor // 2259297

FIELD: transport engineering; self-propelled vehicles.

SUBSTANCE: proposed swamp tractor can be used for towing freight trailers. Said tractor with hollow supports at edges provides minimum load on surface of swamp which, firstly, brings to minimum resistance of swamp to movement of tractor and, secondly, unloads crawler propulsion unit making it possible to use track links of increased height of horns.

EFFECT: considerable increase in tractor pulling force owing to difference in lower edges of idler wheels and driving sprockets equal to height of horn.

2 dwg

FIELD: mechanical engineering; control of mass and gravity center of machine.

SUBSTANCE: proposed method comes to shifting of ballast material along machine frame. Said ballast material is distributed between central, front and rear ballast reservoirs. With machine moving straight ahead, ballast material is displaced from central ballast reservoir into rear one, and at change of direction of movement to reverse, from rear ballast reservoir into front one. Liquid is used as ballast material. Device to control mass and position of center of gravity of machine contains ballast material shifted frame. Ballast reservoirs are installed on frame at opposite ends and in center, being interconnected by pump and three two-position two-way spools and pipelines. Central ballast reservoir is connected with first output of first spool, and its input is connected to first output of second spool. Second spool is connected with input of pump. Second outputs of first and second spools are connected, respectively, with front and rear ballast reservoirs. Output of pump is connected with input of third spool, and outputs of the latter are connected to front and rear ballast reservoirs. Hollow metal structures of machine frame are used as central ballast reservoir.

EFFECT: improved quality of operation owing to control of mass of machine and position of center of gravity owing to displacement of ballast material in any direction along machine axis depending of technological requirements within the limits of working cycle of set.

4 cl, 5 dwg

Vehicle // 2286121

FIELD: rail-free vehicles, including wheeled armchairs, preferably with electric drive and servo control for disabled people deprived of or with immobilized lower limbs.

SUBSTANCE: vehicle comprises side drive wheels on axles and two additional self-orienting wheels equally spaced from side drive wheels and arranged at ends of springy rocker which is disposed in longitudinal plane. Springy rocker is made in the form of double-armed lever for alternative resting during speeding up and braking and is positioned for rocking around axles of drives in longitudinal plane. Springy rocker is equipped with device for dynamic orientation of rocking plane in direction perpendicular to horizontal plane. Each of side drive wheels has independent drive and consists of at least outer rim with tire, casing with rollers, and device for transmitting rotation from drive axle to rim.

EFFECT: wider operational capabilities of vehicle, including wheeled armchair.

5 cl, 1 dwg

Wheeled vehicle // 2291808

FIELD: transport engineering.

SUBSTANCE: invention relates to vehicles with all drive and steerable wheels. Platform 1 has at least three driving and steerable wheel pairs 9, and body 2 can turn relative to wheeled platform 1. Proposed vehicle is furnished with slewing tower 3, engine 4 with clutch and gearbox, central reduction gear 5, transmission and control drive. Transmission provide transmission of torque from engine 4 to wheel pairs 9 of steering columns 8. Provision is made for turning of wheel pairs 9 in the same direction and through the same angle as turning of body 2 relative to platform 1. Sock absorbing of wheels is provided owing to telescopic steering columns 8 and springs. Stabilization of tower 3 at turning relative to cardinal points in horizontal plane is provided.

EFFECT: improved maneuverability and cross country capacity.

4 dwg

FIELD: transport engineering.

SUBSTANCE: proposed driving axle of cross-country wheeled vehicle has housing rigidly connected to frame and including final drive with differential to drive axle-shafts passed through holes in frame sidemembers and coupled with axle-drive units mounted for angular displacement in vertical direction with wheels whose hub units are coupled with frame through levers and independent suspension. Housing is attached to lower surfaces of frame cross-members, and its ends are brought out through holes in sidemembers. Corrugated cup fitted on each end of housing is connected by other end on sidemember from inner side. Suspension is made in form of semispring arranged square to sidemember, one end of spring being secured on sidemember or cross-member of frame, and other end, on hub unit of wheel. Semispring consists of leavers of different length placed one onto the other in stack, with high elastic material linings being placed between spring leaves and rigidly connected with said leaves. Spring leaves are made of composite material of reinforced plastic type. Bracket with ball support for connection with wheel hub unit is secured on end of semispring by glue or bolted joint.

EFFECT: improved service characteristics, reduced weight of unspring mass.

1 dwg

FIELD: transport.

SUBSTANCE: all-wheel drive vehicle power train incorporates the main and auxiliary transfer boxes with the auxiliary transfer box output shafts being linked, via drive lines, with the third and rear driving axle differential gears and the said box input shaft being connected with the main transfer box output shaft of the front driving axle differential gear drive. The main transfer box is arranged between the front and the third driving axles attached to the side member in the area of the medium traverse, while the auxiliary transfer box is located between the third and rear driving axles attached, at an angle to the side member, to the auxiliary transverse lower surface jointed to the side members, the said lower surface axis passing at an angle to the side members other than a right angle. All axles feature identical design and overall sizes. The rear driving axle differential gear is shifted towards one side member relative to differential gears of the other axles shifted towards the other side member. Note that all power train assembly units are arranged below the rectangular frame top surface.

EFFECT: higher performances.

1 dwg

FIELD: transport.

SUBSTANCE: invention refers to wheeled vehicles having body and with all wheels driving, steerable, and swinging. Between wheel platform and body support rollers are installed that release additional loads from transmission and steering drive elements. In transmission and steering drives cumbersome cylindrical gearing are replaced: by conical gearing in transmission, in steering drives - by chain gearing. For four-wheel vehicles a two-gear design is developed securing ability to move along two tracks: two wheel pair steering drive switch-off and limitation of turning angle of body and other wheel pairs by 180°. Main brake and parking brake designs are developed.

EFFECT: increase of reliability and service life of claimed vehicle.

4 dwg

FIELD: transport.

SUBSTANCE: invention relates to distant-control wheeled vehicles. Proposed vehicle comprises wheel platform 1 with three wheel pairs 2, rotary body 3, support rollers 5, central reduction gear 6, transmission, steering drive, turret stabilises 4, brakes 5 and wheel dampers. Body 3 accommodates storage battery box, two reversing motors 9 and 10, central reduction gear 6 and vehicle control hardware unit 11. Transmission serves to transmit torque from first motor 9 to first gear 12 of central reduction gear 6. Toothed gear driven wheel 12 is rigidly coupled with first drive sprocket 13 of first chain gear. Torque is transmitted to every wheel pair 2 via first chain 14 with first tensioning device from first drive sprocket 13 to driven sprockets 16. Body 3 is turned relative to central vertical axis of wheel platform 1 driven by second motor 10 via second bevel gear 19 of central reduction gear 6. Driven wheel 19 is rigidly coupled with wheel platform. All wheel pairs 2 are turned in turning of body 3 relative to wheel platform 1 driven by lower shaft 20 of central reduction gear 6. Lower shaft 20 is rigidly coupled with body 3 and drive gear of helical gear 21. Drive gear 21 is rigidly coupled with driven sprocket 22 of second chain gear. Torque is transmitted to every rotary column 23 via second chain 14 from second drive sprocket 22 to driven sprockets 24. The latter are rigidly coupled with said rotary column 23 and housings of differential gears 18.

EFFECT: simplified design of transmission and steering drive.

5 dwg

Up!