RU2450107C1 - Auger-type excavator - Google Patents

Abstract

FIELD: construction.

SUBSTANCE: device includes caterpillar tractor, shaft with vertical power take-off Hooke clutch, auger conveyor, hydraulic cylinder, auxiliary hydraulic cylinder, spherical thrust, tie-rod thrust. Auger conveyor is located in gap between tracks.

EFFECT: simplification of trenches development, improvement of processability and efficiency.

5 dwg

Description

The invention relates to the field of mechanization of construction and can be used in loamy and clay soils for the development of trenches of strip foundations, trenches for laying communications both on the prepared site, and on terrain with a transverse or coincident slope to the direction of the trench.

Known methods for the development of soil below the surface of the earth - using shovels, draglines, mounted rotary and chain excavators, trailed excavators.

The known "Device for the development of trenches", patent No. 2381332 from 02/10/2010, the authors Shatalov G.A., Zenkovich V.K.

“Device ...” has a tractor unit, a single-axle trailer, auger, bulldozer shovels in its kit.

The disadvantage is the significant dimensions of the device kit.

Also known as "Ditch digging machine", as No. 347402 of October 23, 1972, authors Belyaev P.V. and etc.

“Machine ...” has a tractor unit, a frame, an auger-mill, a thrower, a casing, an external frame, a rotor, an external frame, hinges, bearings, a fixed and a movable axle.

The disadvantage is a complicated device.

The prototype of the present invention adopted the method according to patent No. 2381332 of 02/10/2010, "Device for the development of trenches", the authors Shatalov GA, Zenkovich V.K.

“Device ...” has a tractor unit, a single-axle trailer, auger, bulldozer shovels in its kit.

The disadvantage is the significant dimensions of the device kit.

The technical task of the “Method of developing trenches” is to develop trenches of strip foundations and trenches for laying communications in difficult terrain, as well as reducing the dimensions of the device for developing trenches.

The solution to the technical problem is achieved by using a suspended inclined screw device with a drive mechanism and regulation of its position.

The method provides for the presence of a caterpillar tractor 1, a shaft with a vertical power take-off with a Hook coupling 2, a screw 3, a ball stop 4, a hydraulic cylinder 5, an auxiliary hydraulic cylinder 6, a stretching stop 7, which ensures structural rigidity from elements 4, 5, 6. FIG. 1, 2, 3, the hinge assemblies are not marked with numbers.

Figure 1 shows a caterpillar tractor in a set in transport position without a left caterpillar.

Figure 2 shows the tractor in the kit - a screw excavator with the direction of development of the trench from right to left with the profile of the soil surface and the profile of the bottom of the developed trench without the left track.

Figure 3 shows the profile of the relief in the direction perpendicular to the direction of the developed trench when exceeding elevations of the soil surface under the tracks of the tractor at the beginning of work.

Figure 4 shows a cross section of the developed trench and the distribution of developed soil at the edge of the trench when exceeding elevations of the soil surface under the tracks of the tractor during operation.

An example of a specific implementation.

According to the "Method ..." the digging device is installed at the place of the beginning of the development of the trench (figure 2), at point A. At the same time as the tractor starts moving in the direction of the arrow, the power take-off shaft and Hook coupling are turned into rotation, the ball stop 4 is lowered by the hydraulic cylinder 5, if there is insufficient at the depth of the trench, the ball stop 4 is additionally lowered by the hydraulic cylinder 6. At the beginning of the development, the communication route does not have a berm and the tractor 1 when working on a slope, Fig. 3 shows, copies the slope of the terrain by its position. With the continued development of the trench, figure 4 shows that the tractor 1 aligns its position due to the greater amount of developed soil falling under the left track. If this is a trench for communications, then after their installation, in the opposite direction, backfill is carried out, while doing the work on the berm device, providing a transport access to the communication nodes, if you use a bulldozer with a slanting shovel (Fig. 5). When working on a horizontal platform or with a slope that coincides with the direction of the trench, the developed soil after extraction is crushed by both caterpillars equally.

"Method ..." envisage the use of a caterpillar tractor, a shaft with vertical power take-off with a Hook coupling, auger, ball bearing, hydraulic cylinder-emphasis, auxiliary hydraulic cylinder, stretching-emphasis.

A distinctive feature of the proposed "Method ..." is the presence in the digging device of a hanging screw located between the tracks of the tractor, which improves the overall characteristics of the device relative to the device according to patent RU No. 2344240, improves the working conditions of power structures when moving, as well as when developing trenches with respect to to the device according to patent RU No. 2381332.

The invention allows to simplify the process of developing trenches for foundations and communications, improves manufacturability and productivity when driving trenches on a site with complex terrain.

Claims (1)

A screw excavator containing a caterpillar tractor, a vertical power take-off shaft with a Hooke coupling, a screw, a hydraulic cylinder, an auxiliary hydraulic cylinder, a ball stop, a stretching stop, characterized in that the screw is located in the lumen between the tracks.

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