DE1127654B - Harvester - Google Patents

Description

Applicant:

Massey-Ferguson (United Kingdom) Limited, Stretford, Manchester, Lancashire

(Great Britain)

Representative: DipL-Ing. F. Thieleke, patent attorney,
Braunschweig, Jasperallee 1 a

Claimed priority:
Great Britain October 3, 1959 (No. 33 578)

Leslie Lamont Grant, Kilmarnock, Ayrshire

(Great Britain),
has been named as the inventor

Harvester

The invention relates to a combine harvester, the

conductive collecting floor with a number of upright guide walls extending in the conveying direction is equipped, which is parallel with a lateral distance are arranged to each other.

Combine harvesters have become known in which the sieve box is preceded by a collecting tray, which is provided with upright guide walls extending in the conveying direction of the collecting base. These baffles are intended to ensure that the threshed material is widely distributed in the sieve box in order to ensure a good To achieve cleaning and to make full use of the sieve surfaces when the combine harvester is hilly when driving on Terrain works on inclines, in which the threshed material is on one of the side walls of the collecting floor strives to accumulate and consequently only act on a narrow area of the sieves would.

The results achieved with the known guide walls 20
nits are unsatisfactory because the guide walls
only lead to the fact that the entire threshed material located on the collecting floor is instead of one side ■

wall of the collecting tray now on the guide walls <*

accumulates and in turn only small areas of the

applied to the following sieve box. The object of the invention is to put a combine harvester on the sieve surface of the subsequent sieve box. Depending on the height of the baffles and the type described at the outset, so that the distance between the screw threads from the collecting base and the disadvantages of the known devices are avoided, the baffles can be adapted to the respective needs and that a uniform transverse distribution of the The combine harvester's independent cleaning of the crop to be sieved, even when the combine harvester is at a steep incline, in the sieve box through full utilization
the given sieve area is guaranteed.

To achieve the object, the combine harvester according to the invention is characterized in that near the discharge end and above the collecting base one running transversely to the longitudinal direction of the guide walls, with two counter-rotating screw provided is rotatably mounted, which as a distribution screw with the

Collecting bottom cooperates and for transverse distribution 40 of the crop in the direction of their axes from a Entdes to one or more of the side of the guide walls of the collecting base over taking or loading point Move the circumferential plane of the screw threads accumulating ren delivery points. With screw conveyors with Crop is provided. opposite aisles can be used by the delivery points at the

Due to the arrangement of the laterally spaced ends of the screw conveyors or at the point guide walls lying parallel to each other in connection 45 where the two opposite aisles meet, with the transverse to the longitudinal direction of the baffles above- This screw conveyor can, however, the crop in half of the collecting bottom running screw with the direction of their axes of rotation not evenly on one counter-rotating screw threads can be achieved that distribute the flat ground, so that they are in the well-known when the combine harvester is inclined to the guide arrangement for a distributed supply of the harvested crop wall-mounted goods are not suitable if a loading 50 to the sieve boxes is exceeded, correct height across the baffles over the An advantageous embodiment of the invention

Collective bottom distributed and in this distributed state provides that the screw in the the longitudinal flow of the

209 559/156

realize. In this case, the arrangement is expediently made so that the screws are relative to the conveyor are height adjustable.

It is known to use screw conveyors in combine harvesters to convey the crop to the individual To supply distribution stations or to remove them from containers, but with the screw conveyors are arranged in hollows or tunnels and that

3 4

Grain on the conveyor supporting direction. Blowing of the sieves cannot be driven by thick layers is and that the peripheral speed of the heaped grain is hindered. This handicap Worm flights in relation to the speed of the blowing and this uneven distribution Grain flow is such that the grain enters the worm of the grain on the sieve when the gears do not happen without it being across the worm-5 combine harvester when driving on hilly terrain axis is distributed. - works in an inclined position and as a result it works up

In order to achieve that the material, which is located in the collecting bottom 10 grain, these inclined inclined positions of the combine harvester on the guide walls, on one of the side walls collects, accumulates by means of the ^ auger over the collecting floor and as a result is distributed in a narrow spread - will, before a projecting over the baffles io fen, but in a considerable layer thickness on the first Accumulation takes place, can get according to a further memory sieve of the sieve box, times of the invention the device can be designed in order to reduce this lateral accumulation of the grain

that the ribs avoid each other beyond the screw in Rieh-, the collecting base 10 is with a large number device to extend to the shaker, and that it in the upright and longitudinally extending area of the screw corresponding to the screw 15 kender guide walls 30 provided with a lateral contour are recessed. stood from each other and arranged parallel to each other

Further details of the invention will be provided later. At the end of the collecting base 10, that is to say in direct connection with the one reproduced in the drawing, before the point at which the grain from the collecting embodiment is described. bottom gets into the sieve box, is a cross-Fig. 1 shows a schematic side view of the 20 rotating screw arranged. This auger has combine; _; a shaft 31, which in the walls 32 of the Mäh-Fig. 2 shows a section along the line H-II in dreschers is rotatably mounted and by means of a Rie-Fig. 1 represents; - Human disk 33, which be at one end of the shaft 31-Fig. 3 shows the combine harvester is disassembled, being driven. On the shaft 31 are fig. 2 in an inclined position. 25 worm flights 34 and 35, the opposite Fig. 1 shows a 'collecting floor 10, on which have slopes and extend from the side walls of the grain after threshing together with short straw collecting floor 10 to the center of the same, divide, chaff and other impurities falls. The direction of rotation of the shaft 31 is chosen so that the grain 11 "has a stepped bottom surface lying on the collecting bottom 10 and is driven into oscillating by means of an action 30 with the pitch of the screw flights 34, not shown As a result, 35 is moved to the center of the collecting tray, the grain lying on the seed tray is conveyed to a sieve box 12, which is an upper or lower part of the screw 34, 35, the required rotary chaff screen 13 and 1 with an arrow X and 15 on which the grain falls, marked by means of a 35. The guide walls 30 carry in the area of the air flow generated by a fan 17 and the Screw flights Recesses 36 which are adapted to the contour of the screw flights entering the sieve box through an open wall 16. It is advantageous that you will be blown and the incline of the screw threads lying on them or the direction of rotation of the grain is freed from the impurities. Select the sieve of the screw so that the screw box also performs a swinging movement, which supports the conveying movement that supports the grain on the collecting floor in cleaning the grain and maintains it for a 10. In doing so, however, care must be taken to promote the grain. If the grain all term that the peripheral speed of the screw sieves of the sieve box has passed, it falls on courses 34 and 35 must be greater than the Geschwineinen inclined bottom 20 of the sieve box and is speed with which the grain on the collecting floor is a transverse screw 21, which is moved away to ensure that a transverse distribution of the further transport of the grain to a grain not shown can take place. Another factor that posed elevator takes over. the transverse distribution of the grain on the collecting floor At the end of the sieve box 12, approximately at the level of 10, the height of the auger above the chaff sieve is a so-called thistle grating collecting floor 10 is that it is the smallest, precautions have been taken to ensure that the inner particles, in particular unthreshed ears, can be adjusted to the height of the shaft 31, while the larger parts can be passed back. which holds and gives one at the rear end of the combine harvester on the collecting floor 10 when the mowing feeds the discharge. The chaff parts as well as the threshers when driving on hilly terrain in an unthreshed ear that the thistle grid 22 passes 55 inclined position must work. It can be seen that they have, falling onto a further inclined floor 23, baffles 30 prevent all of the grain on which is located behind the floor 20 and also the collecting floor from being on one side of the grain falling from the sieves 14 and 15 Chaff residue accumulates on the wall of the collecting base. For this now you step receives. The inclined bottom 23 leads to the, albeit smaller accumulations on the Leitihn falling goods of a further transverse 60 walls 30 a. As soon as these agglomerations have reached a height of the screw 24, which is considered to be inadmissible and the so-called gleanings are passed on to further treatment. By adjusting the height of the shaft 31, the degree of cleaning achievable in the sieve box 12 is bar, the worm flights 34 and 35, for obvious reasons, get larger, the more evenly the grain is distributed over its uniform contact with the grain accumulated on the guide walls Sieves abandoned 65 grain and give it a cross movement to the center, because then that of combine harvesters as a result of the collecting floor 10. In the limited space available, there is scarcely any accumulation, which is fully utilized over a pre-determinable, unmeasured screen area and which go beyond the permissible level and which have a corresponding

would result in a poor degree of cleaning.

Claims (5)

PATENT CLAIMS: 1. Combine harvester, whose collecting tray connected upstream of the sieve box and transferring to it is equipped with a number of upright guide walls extending in the conveying direction, which are arranged parallel to one another at a lateral distance, characterized in that near the discharge end and above the collecting tray (10) a screw which runs transversely to the longitudinal direction of the guide walls (30) and is provided with two counter-rotating screw threads (34, 35) is rotatably mounted, which cooperates as a distributor screw with the collecting base (10) and for the transverse distribution of the side of the guide walls (30) of the collecting base ( 10) is provided over the circumferential plane of the screw threads accumulating crop. 2. Combine harvester according to claim 1, characterized in that the worm in the longitudinal flow of the grain on the conveyor (10) supporting direction and that the Peripheral speed of the worm flights (34, 35) with respect to the speed of the grain flow is such that the grain is the worm flights does not happen without it being distributed transversely to the screw axis. 3. Combine harvester according to claim 1 or 2, characterized in that the screw is relative to the conveyor (10) is adjustable in height. 4. Combine harvester according to one of claims 1 to 3, characterized in that the ribs to extend beyond the auger towards the shaker (12) and that it is in the area the screw are recessed according to the screw contour. 5. Combine harvester according to one of the preceding claims, characterized in that the The conveyor (10) has a stepped floor (11) for the grain, which floor has an oscillating movement can be regulated to achieve a grain movement along the soil. Considered publications:
German Patent No. 1083,586;
German utility model No. 1789 061;
International Harvester Company General Sales Catalog, December 1946 issue, page 302, November 1959 issue, page 3. For this purpose, 1 sheet of drawings © 209 5597156 4.