RU2484977C1 - Auxiliary device for increasing cross-country capacity of wheeled tractor - Google Patents

Abstract

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

Description

The invention relates to wheeled transport, and in particular to auxiliary devices mounted on propulsion vehicles in order to increase their cross-country ability when aggregated with attachments, to move on slippery roads, in rough terrain, the presence of a permafrost layer and low soil bearing capacity.

A device for increasing the patency of a wheeled tractor is known as a wheel with retractable hooks, including retractable hooks mounted on a faceplate mounted on the wheel disc, the hooks are located on the periphery of the holder mounted rotatably on the rim by means of a clamping ring, and have holes for latches mounted on the clamping ring designed to fix the hooks, while the latch rods are kinematically connected with a control lever mounted in the cab connected to the clip brake (RF Patent 2 176602, IPC B60B 15/26).

The disadvantage of this device is the complexity of the design and manufacture, high complexity when installing it.

A device for increasing the patency of a wheeled vehicle - an auxiliary disk "ALPO", consisting of a washer (faceplate) of a rigid structure made with the possibility of support and attachment to the main disk of the wheel, with lugs. The disk is made with radial stiffeners that perform the function of lugs, between which additional lugs are located on the periphery of the disk (RF Patent 2088420, IPC B60B 15/26).

The disadvantages of this device are the complexity of the design and manufacture, high complexity when installing it.

Closest to the proposed is an anti-skid device for a wheel, temporarily attached to it, consisting of hollow bars of rectangular cross-section, built into one another, and rigidly attached to them hooks from rods with hooks, spring-loaded and interconnected with a cam, contains a base in the form of two tubes with longitudinal grooves fastened by an overlay, and from the ends of the tubes the tips are also movably fixed in the grooves, also from tubes curved along the radius at the ends with holes and the possibility of turning in their axes s made with plates having a radius protrusions and stiffening ribs, wherein a shoe is biased in a compressed state the wheels, the second freely movable in the longitudinal direction and interconnected manual actuator (RF Patent No. 2092328, IPC B60C 27/40, taken as the prototype).

The disadvantages of this device are the complexity of the manufacture of the structure, its large total weight and short life of the used components and parts.

An object of the invention is to increase the cross-country ability and towing properties of a wheeled tractor when a simple construction of an auxiliary device is installed on it, the small force of its specific pressure on the ground during work, the reduction in the number of nodes and parts involved, the simplicity of the manufacture of the device, and the convenience in its installation, service, high reliability during operation.

The technical solution to the problem is to create a fairly simple design of an auxiliary device installed on the propulsors and axles of a wheeled tractor, which, when connected, has the ability to self-clean from soil sticking when moving, increases cross-country ability, tractor traction properties, and reduces the technogenic impact of the machine unit on the soil.

This object is achieved in that the device is made in the form of an even number of links-tracks of the caterpillar chain made of composite materials, with through mounting holes and thrust pads made on the inside of the treadmill for wheel tread pattern, with lugs and extenders fastened with rubber-metal hinges and connected by hollow rods of circular cross-section, integrated one into the other, spring-loaded cylindrical return springs having fixing holes and latches, with a flange-type adapter washer mounted on the axis of the tractor wheel and containing a detachable hinge with a torsion bearing.

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

The device contains an even number of links-tracks 1 of the track chain 2, made of composite materials, with through holes 3 for fastening the track chain 2 by bolting 4 to the inside of the tractor wing, and persistent tides 5 on the inside of the treadmill for fixing the links -tracks 1 in the tread pattern of the wheel, with grousers 6 and expanders 7, fastened with rubber-metal hinges 8 and connected by hollow rods 9 of circular cross-section, integrated one into another w, spring-loaded return springs 10 having locking holes 11 and (latches) latches 12, with a transitional washer 13 of flange type mounted on the axle 14 of the tractor wheel and containing a detachable hinge 15 with a torsion bearing 16.

The device operates as follows:

When entering a weak bearing surface (in the field), the tractor operator disconnects the mounting bolts 4, as a result of which the track chain 2 is lowered onto the tractor wheel and the links 1 are engaged by tides 5 with a wheel tread pattern. The extreme and central hollow rods 9 are pressed in the working position in the fixing holes 11 by means of latches 12 in the working position, which rigidly fastens the structure when in contact with the ground, which allows it to move and carry out agricultural work with low bearing capacity of cultivated soils, but when the load is weakened, it allows unsecured hollow rods 9 to perform vertical movement from the axis 14 to the hinges 8 and to carry out self-cleaning from the adhering soil of the links-tracks 1.

When traveling on a paved road or when there is no need to move with a connected device, the tractor operator disconnects the device with latches 12 and fastens it to the tractor wing with fixing bolts 4.

The use of this invention, which has high reliability, low cost, ease of maintenance and operation, with a fairly simple design and ease of manufacture of the device, will increase the throughput of the vehicle. The small force of specific pressure on the soil will increase its traction and hitching properties when performing energy-intensive work and reduce the anthropogenic impact on cultivated soils.

Claims (1)

A device for increasing the patency of a wheeled tractor, containing spring-loaded hollow rods, built into one another, characterized in that the track link tracks with grousers and extensions that are fastened with rubber-metal hinges and connected by the said round hollow rods serve as the working body. built-in one into another, spring-loaded cylindrical return springs having locking holes and clamps, with a transitional flange-type washer, installed suspended on the axis of the tractor wheel and containing a detachable joint with bearing.

Images