Auxiliary device for increasing cross-country capacity of wheeled tractor

FIELD: transport.

SUBSTANCE: invention relates to auxiliary devices mounted at vehicle propulsors to increase flotation on slidable roads, in lack of roads, on underlying frozen crust and at low bearing capacity of soil. Proposed device comprises spring-loaded hollow bars fitted one into another. Caterpillar tracks make working members. Said tracks are equipped with grousers and spreaders hinged together by rubber-metal links and interconnected by round hollow bars fitted one into the other and spring-loaded by helical return springs with locking openings, and retainers with flange-type adapter washer fitted on tractor wheel axle and including split joint with bearing.

EFFECT: higher flotation and towing-coupling properties.

6 dwg

 

The invention relates to wheeled vehicles, namely, mounted on the propulsion of vehicles of auxiliary devices in order to increase their cross when mounting with attachments, driving on a slippery road, off-road conditions, the presence of underlying permafrost layer and the low bearing capacity of the soil.

A device for improving the patency of the tractor - wheel, with retractable hooks, including retractable hooks attached to the faceplate installed on the drive wheels, the hooks are located on the periphery of the shroud, mounted for rotation on the rim by means of the clamping ring, and have holes for fasteners installed on prijemnom ring intended for fixing of hooks, while the terminals of the latches kinematically connected with the established in-cab control lever connected to the brake holder (Patent RF 2176602, IPC B60B 15/26).

The disadvantage of this device is the complexity of design and manufacture, the high complexity of the installation process.

A device for increasing the permeability of wheeled vehicles - auxiliary drive "ALPO"consisting of washers (faceplate) rigid structures made with the possibility of support and attachment to the main drive wheels with the lug. Drive the implementation of the radial ribs, performs the function of the lugs, between which on the periphery of the disc, there are additional grousers (RF Patent 2088420, IPC B60B 15/26).

The disadvantages of this device are the complexity of design and manufacture, the high complexity of the installation process.

Closest to the present invention is the anti-skid device for a wheel, temporarily attached, consisting of a hollow rod of rectangular cross section, embedded in one another and rigidly attached to the hooks of the rods with hooks, spring and interconnected with the Cam, comprises a base in the form of two tubes with longitudinal grooves, stamped overlay, and with the ends of the tubes attached slidably in the slots tips too from tubes, curved radius at the ends with the holes and can be rotated on their axes shoes, made of plates having radial protrusions and ribs, with one Shoe spring-loaded in a compressed state of the wheel, a second freely movable in the longitudinal direction and interconnected hand drive (RF Patent 2092328, IPC B60C 27/40 taken for the prototype).

The disadvantages of this device are the complexity of fabrication of the structure, its large total weight and a shorter lifetime of the used parts and components.

An object of the invention is to increase the cross and towing capabilities of wheeled tractor when installing to a fairly simple design assistive devices low strength its specific ground pressure in the works, reducing the number of involved nodes and parts, simplicity of manufacture of the device, ease of installation, maintenance, high reliability in operation.

Technical solution to the problem is the creation of a fairly simple design assistive devices that are installed on the propellers and the axes of the tractor, which, when the connection has the ability of self-purification from sticking when moving soil, increases permeability, drawbar properties tractor, reduces human exposure machine unit on the ground.

This object is achieved in that the device is made in the form of an even number of links-tracks track chain made of composite materials with through mounting holes and is made on the inner side of the treadmill thrust areas for tread wheels with lugs and expanders, bonded rubber-metal hinges and the United hollow rods of circular cross section embedded in one another, spring-loaded cylindrical return spring having a fixing hole and latches, transition washer flange type mounted on the axle of the wheels of the tractor and containing detachable hinge with bearings of two is com swirl.

Figure 1 shows a diagram of the device for increasing the permeability of a wheeled tractor (front view), figure 2 shows a diagram of a device for increasing the permeability of wheeled tractors (side view), figure 3 shows the scheme of the truck-link track chain device to increase the patency of the tractor, figure 4 shows a spring-return unit to increase the patency of the tractor, figure 5 shows a device for improving the patency of the tractor in transport position, figure 6 shows a device for improving the patency of the tractor in position.

The device contains an even number of links-tracks 1 track chain 2, made of composite materials, with through mounting holes 3 mounting track chain 2 method screw connection 4 to the inner part of the wing of the tractor, and is made on the inner side of the treadmill resistant tides 5 for fixing links-tracks 1 in the tread of the wheel with the lug 6 and expanders 7, bonded rubber-metal hinges 8 and connected to the hollow rods 9 of circular cross section embedded in one another, spring-loaded return springs 10 having a fixing hole 11 and (retainers) latches 12, transition washer flange 13 t is PA, installed on the axis 14 of the wheels of the tractor and containing detachable hinge 15 with the bearing torsion 16.

The device works in the following way:

At the entrance to the weak bearing surface (on the field) by the operator of the tractor disconnected the bolts 4, resulting in the track circuit 2 is lowered on the wheel of a tractor and links-tracks 1 engages tides 5 with the tread of the wheel. Extreme and the Central hollow rod 9 by the method of pressure are fixed in position in the locking holes 11 latches 12, which is rigidly fastens the design upon contact with the ground, which allows no slippage to move and to produce agricultural operation at low load bearing capacity of the treated soils, but with the weakening of the load allows uncommitted hollow rods 9 to produce a vertical displacement from the axis 14 to the hinges 8 and to carry out the purification from the adhered soil units-trucks 1.

When going on the road with hard surface or unnecessary movement from the connected device the operator of the tractor produces disconnect device latches 12 and its attachment to the wing of the tractor mounting bolts 4.

The use of this invention, high reliability, low cost, ease of maintenance and operation, when access is just a simple design and ease of manufacture of the device, will increase the maneuverability of the vehicle. Small power unit ground pressure will increase its traction properties under certain power-intensive operations and reduce the anthropogenic impact on the treated soil.

Device for increasing the permeability of a wheeled tractor, containing a spring-loaded hollow rod, embedded in one another, characterized in that the device is working body are links Truckee track chain with lugs and expanders, which is bonded rubber-metal hinges and connected to the mentioned hollow rods of circular cross section embedded in one another, spring-loaded cylindrical return spring having a fixing hole and the retaining clips, transition washer flange type mounted on the axle of the wheels of the tractor and containing detachable hinge with bearing.



 

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