Articulated vehicle

 

(57) Abstract:

Usage: refers to the transport machinery, mainly for articulated vehicles. The inventive articulated vehicle 1 with all-wheel drive contains two independent semi-frames a and B, connected with the possibility of relative movement. Between pournami has a bearing 2 having an inner diameter sufficient to freely pass through it, the drive shaft 4 with the possibility of free vibrations caused by movement of the vehicle. In section B coaxially with the bearing 2 on the bracket 5 has a movable element 6, framesize around the axis 7. To the shaft narashima attached bars 8 and 9. The second ends 10 bars Rethimno attached to the elements 11 semi-frames A. Between pournami a and B are adjustable hydraulic cylinders 13 and 14, which are interconnected pipelines. One pipeline is installed shut-off valve. The control valve is synchronized with the control handle transfer case. 4 C. p. F.-ly, 4 Il.

The invention relates to transport machinery, mainly for articulated vehicles.

And the tool joint can move relative to each other, and the intermediate frame, provided with two rollers for each semi-frames.

The disadvantage of this solution is that articulated semi-frames can be moved relative to each other in a horizontal plane. This type of articulated vehicle is not designed for driving in off-road conditions. However, when driving on public roads, this vehicle can only be driven at a low speed, without creating interference with the safe movement.

Known for an articulated vehicle having all-wheel drive, containing two independent semi-frames, pivotally interconnected. Through the hinge with a horizontal axis connecting the semi-frames, passes the propeller shaft.

The disadvantage of this solution is the complexity of the operation on public roads, as the movement speed on such roads will be low enough that will create interference to traffic.

The problem solved by the invention, creating a vehicle with improved running characteristics for operation in two modes: off-road and on public roads with the possibility of safe driving on the last attained at the expense of in the known articulated vehicle, mainly with all-wheel drive, containing two independent semi-frames, interconnected with the possibility of relative movement around a horizontal axis through a bearing through which the drive shaft. Bearing, connecting semi-frames, has an inner diameter allowing free movement therein of the propeller shaft at the second end on the same geometric axis with the bearing is mounted for rotation around this axis an additional hinge. The movable element of the additional hinge is rigidly connected with at least one beam, the other end of the connecting element is rigidly connected with the ability of the connector with the first end. Between pournami installed tracking mechanism rotation semiframes, including hydraulic cylinders, which upper ends attached to the first frame, and the lower second.

The lower mounting point of the hydraulic cylinders are posted towards the top.

The hydraulic cylinders are connected by pipes, one of which has a shut-off valve.

The control valve is connected with growling the diameter, allow free oscillation of the drive shaft and reduces the load perceived by the bearing, which increases the service life of the bearing, allows with minimal cost to make the conversion of any wheel or have the drive to one axle of the vehicle in the universal dual-mode vehicle. Through this hole bearing, you can skip the wiring, brake hoses, etc., because this region of the articulated vehicle is the least subject to fluctuations, i.e. is reduced to a minimum the possibility of damage to the elements of the life of the car.

Installing on a second end rotatable on the same geometric axis with the bearing rolling element associated with the timber, which in turn Rethimno is rigidly attached to the first section allows you to unload the bearing under all types of dynamic alternating loads. This makes it possible not to increase the size of the bearing and thus to maintain the patency of the vehicle. In addition, the presence of a beam associated movable element allows you to track the movement of one semi-frames relative to the second and thus neutralize the resulting alternating soljet to choose for each mode of motion corresponding to the characteristic damping vibrations between frames, that improves driving performance of the vehicle when driving on public roads and increases the life of semiframes. With the help of adjustable hydraulic cylinders is achieved, such an amount of angular displacement of semiframes, which is sufficient to overlap one stroke the ball diameter, which eliminates pitting of bearing, connecting semi-frames.

The presence of two pipes between the cylinders allows the use of cylinders with a low degree of sealing of the piston.

Synchronizing crane control cylinders and gear lever gearbox allows you to simplify the management control system and hydraulic cylinders.

In Fig. 1 shows a view of the vehicle in plan; Fig. 2 is a side view, and Fig. 3 scheme razrusheniya bearing; Fig. 4 diagram of the adjustable hydraulic cylinders.

Articulated vehicle 1 with all-wheel drive contains two independent semi-frames a and B, connected with the possibility of relative movement. Between pournami has a bearing 2 having an inner diameter of 3 sufficient to free passage through it of the propeller shaft 4 with who is Anah 5 has a movable element 6 (as element 6 can be used, for example, a shaft mounted in the bearings, or spherical bearing or ball connector), rotating around the axis 7. To item 6 narashima attached bars 8 and 9. The second ends 10 bars Rethimno fixed on the connecting elements 11 semi-frames A. the Ends 10 of bars spaced apart from the longitudinal axis of the vehicle 7. The section a has developed in the space up design, with power elements 12 semi-frames And formed in the longitudinal plane of the car with the bars 8 and 9-shaped power frame. Between pournami a and B are adjustable hydraulic cylinders 13 and 14. The hydraulic cylinders 13 and 14 the upper ends 15 attached to the end A, and the bottom 16 to the section B. the Lower attachment point 16 posted towards the top 15. The hydraulic cylinders 13 and 14 are connected by pipes 17 and 18. On the pipe 17 has a regulating valve 19. The control valve 19 is synchronized with the arm 20 of the control transfer box.

The device operates as follows.

When driving off-road semi-frames a and B can be moved around a horizontal longitudinal axis of the one relative to the other at an angle of up to 23about. The possibility of relative displacement obey semi-frames relative to the other, unload the bearing 2 and increase the area of its operation (see Fig. 3). -shaped power frame has the greatest stability and ability to absorb and redistribute all kinds of loads that occur during movement. Resulting longitudinal force load between pournami a and B are regarded primarily structural members 12 and the bars 8 and 9, since they are rigidly connected.

Longitudinal load partially extinguished due to its own elastic force elements and then passed on to the bearing 2. This included reduction gearing of the transfer case and simultaneously open the valve 19 on the pipeline 17. Thus the cylinders 13 and 14 communicate with each other and with the course of the piston cylinder 13 up the fluid in the pipe flows into the cylinder 14, the piston stroke of the cylinder 14 down will be equal to the go up of the piston cylinder 13, i.e., in this mode the presence of the cylinders will not adversely affect the maneuverability of the vehicle on the road.

When driving on public roads structure of power works in the same way as when driving off-road, taking the maximum loads and unloading the bearing, but the inclusion of increase transmission transfer case of decane of fluid through the piston in the lower chamber and the cylinders operate in its normal mode. Thus, ensure that the angular displacement of semiframes corresponds to the size of the diameter of the balls in the bearing 2, which soften vibrations transmitted from one semi-frames to the other, and also prevents pitting in the bearing.

1. ARTICULATED VEHICLE containing a first section located on it with power unit and a second end connected main horizontal longitudinally located hinge, inside of which is placed the drive shaft, characterized in that the vehicle is equipped with an additional horizontal longitudinally located hinge placed on the second end coaxially with the core and is made of two parts and mounted on the second end of at least one beam, one end of which is rigidly with the possibility of separation is connected with the first end via a connecting element, installed on it, and the other end of the beam is rigidly connected with a part of the hinge, movable relative to the second semi-frames, which is rigidly connected the second part, and the vehicle is also equipped with a mechanism for tracking the rotation of semiframes relative to one another, which is made in the form of two hydroc the s to the first end, and the bottom to the second, while the same cavity of the cylinders are connected by hydrologically, one of which has a shut-off valve.

2. Vehicle under item 1, characterized in that the beam is inclined to the longitudinal axis of the vehicle.

3. Vehicle under item 1, characterized in that the connecting element is located vertically.

4. Vehicle under item 1, characterized in that the distance between the lower attachment points of the cylinders exceeds the distance between the upper mounting points.

5. Vehicle under item 1, characterized in that the valve associated with the control handle gearbox with the ability to synchronise them.

 

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