DE1582588C

DE1582588C - Axial threshing machine with threshing and separating drums arranged one behind the other

Info

Publication number: DE1582588C
Authority: DE
Inventors: Edward W. New Holland Pa.; Karlsson Elof K. East Moline 111.; Rowland-Hill (V.St.A.). AOIk 1-00
Original assignee: International Harvester Co., Chicago, 111. (V.StA.)
Publication date: 1972-10-12

Description

3 43 4

führt, können die ausgedroschenen Körner leicht Menge dem rückwärtigen Ende 32 zugeführt. Das ge-leads, the threshed grains can easily be fed to the rear end 32 in quantity. The GE-

durch den Siebboden abgeführt werden. Die Dresch- droschene Korn gelangt über einen Dreschkorb 38be discharged through the sieve bottom. The threshed grain passes through a threshing concave 38

rückstände werden durch die Transportrippen bis und ein Spreusieb 41 aus dem Zylinder 30 heraus,residues are removed through the transport ribs up to and a chaff screen 41 out of the cylinder 30,

zu der der Dreschtrommel folgenden Trenntrommel Stroh und andere Dreschrückstände treten dagegenStraw and other threshing residues are placed against the separating drum following the threshing drum

■weitergeleitet, deren in axialer Verlängerung zu den 5 durch eine Strohaustrittsöffnung 33 am hinteren■ forwarded, the axial extension of which to the 5 through a straw outlet opening 33 at the rear

Dreschleisten der Dreschtrommel liegende abgewin- Ende 32 aus dem Zylinder 30 heraus. An der Innen-The angled end 32 lying on the threshing bars of the threshing drum emerges from the cylinder 30. At the interior

kelte Träger einen gewissen Luftstrom erzeugen, der seite 35 des oberen Zylinderteils sind mehrere spiral-Celt carrier generate a certain air flow, the side 35 of the upper cylinder part are several spiral

•es den bis dahin mitgeförderten Körnern erleichtert, förmig angeordnete Transportrippen 34 angeordnet,• It makes it easier for the grains that have been conveyed up to then to have transport ribs 34 arranged in a shape,

sich aus dem Stroh und der Spreu zu befreien, um Im Gehäusezylinder 30 ist auf einer rohrförmigenTo get rid of the straw and the chaff in order In the housing cylinder 30 is on a tubular

durch den Siebboden abgeführt zu werden, der aber io Tragwelle 53 drehbar eine Trommel 50 in Lagern 51to be discharged through the sieve bottom, but the support shaft 53 rotatably supports a drum 50 in bearings 51

eine zu geringe Druckkomponente hat, um auch gelagert, die vom Motor 17 über eine Getriebeüber-has too low a pressure component to also be stored, which is transmitted by the motor 17 via a gearbox

Dreschrückstände durch den Siebboden hindurchzu- Setzung 52 ihren Antrieb erhält,Threshing residues through the sieve bottom addition 52 receives its drive,

drücken. Diese werden vielmehr durch die hintere Die eigentliche Dreschzone befindet sich im unte-to press. The actual threshing zone is located in the lower part of the

öffnung des Trennzylinders ausgeworfen. ren Teil 36 des Zylinders, dem dort der übliche kon-opening of the separation cylinder ejected. ren part 36 of the cylinder, which there is the usual con

Diese hierdurch in einfacher Weise erzielbare sehr 15 kave Dreschkorb 38 gegenüberliegt. Einstellmittel 39 gute Ausdreschleistung ist auch nicht mit der Bauart dienen dazu, den Dreschkorb 38 gegenüber der gemäß der britischen Patentschrift 235 907 zu erzie- Achse der Trommel 50 einstellen zu können. Der unlen, die schon deshalb viel aufwendiger und raumbe- tere Bodenteil 36 enthält ferner eine rückwärtige anspruchender ist, weil für den Ausdrusch und für Trennzone mit einem austauschbaren Siebblech 41, die Trennung zwei gesonderte Trommeln vorgesehen 20 dessen Öffnungen gegenüber den Öffnungen des sind, von denen die unterhalb der Dreschtrommel an Dreschkorbes 38 kleiner sind. Der Dreschkorb 38 deren Auslauf anschließende Trenntrommel in nach enthält mehrere parallele Rippen 42 mit Öffnungen, hinten ansteigender Lage angeordnet ist. Die Innen- durch welche Drähte 43 gezogen sind. An die seite der Dreschtrommel ist mit verteilt angeordneten Dreschtrommel 50 schließt in Förderrichtung, auf abgewinkelten Eisen versehen, die nicht nur den 25 der gleichen Mittelwelle 53 sitzend, eine Trenntrom-Trennvorgang fördern, sondern auch einen zum Aus- mel 55 an, die mehrere als Flügel wirkende Längsträlaß gerichteten Luftstrom erzeugen sollen. Dieser ger 56' besitzt. Vor der Dreschtrommel 50 ist am Luftstrom drückt aber auch Dreschrückstände durch vorderen Ende der Tragwelle 53 eine kurze Schnekden Dreschkorb hindurch und belastet dadurch die kenspirale 54 vorgesehen, die einen Mittelzylinnachfolgende Reinigungsvorrichtung. Eine solche Be- 30 der 61 und für jeden Längsträger 56' einen eigenen lastung der Reinigungsvorrichtung wird bei der Lö- Schneckenteil 62 besitzt. Im vorliegenden Ausfühsung gemäß der Erfindung dadurch vermieden, daß rungsbeispiel sind, da zwei Längsträger 56' vorgesedie Fortbewegung des Erntegutes in der Axialrich- hen sind, auch zwei Schneckenteile 62 vorhanden, tung des Gehäuses ausschließlich durch mechanische An der Tragwelle 53 sind mehrere radial abstehende Mittel erfolgt, wodurch in der Dreschzone eine sau- 35 Arme 63 befestigt, die in Gruppen parallel zu der bere Trennung der ausgedroschenen Körner von dem Drehebene der Trommel 50 angeordnet sind. Die im Dreschzylinder unbeeinflußt verbleibenden Stroh freien Enden der Arme 63 sind durch sich in Längsund der Spreu ermöglicht wird. richtung erstreckende Träger 56 miteinander verbun-This very 15-cave concave 38, which can be achieved in a simple manner, is opposite. Adjustment means 39 good threshing performance is also not used with the type of threshing concave 38 compared to the according to British patent specification 235 907 to be able to set axis of drum 50 to be able to educate. The unlen, The floor part 36, which is much more complex and spacious for this reason, also contains a rear one is more demanding, because for the threshing and for the separation zone with an exchangeable sieve plate 41, the separation of two separate drums provided 20 whose openings opposite the openings of the are, of which those below the threshing drum on the concave 38 are smaller. The concave 38 the outlet of which the subsequent separating drum in after contains several parallel ribs 42 with openings, is arranged rearward rising position. The inside through which wires 43 are drawn. To the side of the threshing drum is distributed with the threshing drum 50 closes in the conveying direction angled iron provided that not only sit the 25 of the same central shaft 53, a separating current separating process promote, but also one to the Ausmel 55, the several longitudinal streams acting as wings directed airflow. This ger 56 'owns. Before the threshing drum 50 is on However, air flow also pushes threshing residues through the front end of the support shaft 53 a short spiral Threshing concave through and thereby loads the kenspirale 54 provided, which follows a central cylinder Cleaning device. Such a loading 30 of 61 and a separate one for each longitudinal beam 56 ' Load on the cleaning device is at the Lö- screw part 62 has. In the present version avoided according to the invention that are approximately example, since two longitudinal beams 56 'vorgesedie Movement of the crop in the axial direction are also two auger parts 62 available, processing of the housing exclusively by mechanical On the support shaft 53 are several radially protruding Means takes place, whereby in the threshing zone a clean 35 arms 63 are attached, which in groups parallel to the are arranged to separate the threshed grains from the plane of rotation of the drum 50. the in the threshing cylinder unaffected straw-free ends of the arms 63 are in longitudinal and the chaff is made possible. direction extending beams 56 connected to one another

Ein Ausführungsbeispiel einer Axialdreschmaschi- den. Weitere, hinter der Dreschtrommel vorgeseheneAn embodiment of an axial threshing machine. More, provided behind the threshing drum

ne in der Ausführung gemäß der Erfindung ist in der 40 Arme 63 dienen als Träger der schaufelartig abge-ne in the embodiment according to the invention is in the 40 arms 63 serve as a carrier of the shovel-like

Zeichnung dargestellt; hierin ist winkelten Längsträger 56'. Der sich über die Dresch-Drawing shown; therein is angled side rail 56 '. Who is about the threshing

F i g. 1 ein Längsschnitt durch einen mit der neuen zone erstreckende Teil der Längsträger 56 ist derartF i g. 1 is a longitudinal section through a part of the longitudinal beams 56 extending with the new zone

Dresch- und Trenntrommel versehenen Mähdre- gestaltet, daß bei einer Drehung der Trommel 50 kei-Threshing and separating drum provided combine designed that when rotating the drum 50 no

scher, ne Gebläsewirkung eintritt, so daß in diesem Teil dershear, ne blower effect occurs, so that in this part of the

F i g. 2 eine schaubildliche Ansicht dieser beiden 45 Trommel keine radiale Luftströmung durch den kon-F i g. 2 a diagrammatic view of these two drums no radial air flow through the con-

Trommeln mit vorangehender Schneckenspirale. kaven Dreschkorb 38 strömen kann. DemgegenüberDrums with a spiral spiral in front. kaven concave 38 can flow. In contrast

F i g. 3 ein Schnitt nach der Linie 3-3 in F i g. 1. ist der Abschnitt über der Trennzone der Träger 56'F i g. 3 shows a section along line 3-3 in FIG. 1. is the section above the separation zone of the beams 56 '

Der in Fig. 1 gezeigte Mähdrescher 10 besitzt in so ausgebildet, daß eine geringe Gebläsewirkung erherkömmlicher Weise Antriebsräder 11, Lenkräder zielt wird. Der hierdurch erzielte nach unten wirken-12, einen Bedienungsstand 13, eine Mähvorrichtung 50 de Luftstrom ist weniger kritisch. An den Außensei-14, eine Zuführeinrichtung 15, einen Korntank 16, ten der Längsträger 56 sind im Bereich der Drescheinen Antriebsmotor 17, eine Reinigungsvorrichtung zone bekannte Dreschleisten 57 befestigt, die beim 18 und eine besonders gestaltete, in einem gemeinsa- Umlauf der Trommel 50 in Zusammenwirken mit men Gehäusezylinder 30 untergebrachte Dresch- und dem konkaven Dreschkorb 38 den Drusch des der Trenneinrichtung. Der Zylinder 30 erstreckt sich in 55 Trommel 50 axial zugeführten Erntegutes durchfüh-Längsrichtung des Mähdreschers und weist ein vor- ren.The combine harvester 10 shown in FIG. 1 is designed in such a way that a low blower effect is more conventional Way drive wheels 11, steering wheels is aimed. The downward effect achieved in this way -12, a control station 13, a mowing device 50 and the air flow is less critical. On the outside 14, a feed device 15, a grain tank 16, th of the longitudinal members 56 are in the area of the threshing stones Drive motor 17, a cleaning device zone known threshing bars 57 attached to the 18 and a specially designed, in a common circulation of the drum 50 in cooperation with Men housing cylinder 30 housed threshing and the concave concave 38 the threshing of the Separator. The cylinder 30 extends in 55 drum 50 axially supplied harvested crop in the longitudinal direction of the combine harvester and has a front.

deres Ende 31 und ein rückwärtiges Ende 32 auf. Das gedroschene und getrennte Korn gelangt Das zu dreschende Material wird durch eine axiale durch den Dreschkorb 38 bzw. das Spreusieb 41 in Öffnung 60 am vorderen Zylinderende 31 dem ZyUn- die Reinigungsvorrichtung 18, von wo es über einen der 30 zugeführt, darin verarbeitet und in dosierter 60 Elevator zu dem Korntank 16 gefördert wird.its end 31 and a rear end 32. The threshed and separated grain arrives The material to be threshed is transported axially through the concave 38 or the chaff screen 41 in Opening 60 at the front end of the cylinder 31 to the ZyUn- the cleaning device 18, from where there is a which is supplied to 30, processed therein and conveyed to the grain tank 16 in a metered 60 elevator.

Hierzu 1 Blatt Zeichnungen1 sheet of drawings

Claims

Opening and ubef an adjoining line

Claim: led to the back of the JPiiaschirie and listed there

deposited on the ground.? ^ J \ '

Axial threshing machine, ^ in particular self-propelled

render · combine harvester, with following a 5 learn centrifugal forces. Neither this nor the generated one

Screw spirals in the conveying direction on a ge-air circulation, on the other hand, support the forwarding

common center shaft, one behind the other, of the threshed material to the at the upper end of the

neter threshing and separating drum, the discharge lines located in the threshing housing. here

Threshing zone made from radial arms of the central will be the crop that moves this way in the axial direction

threshing bars carried by the shaft and in the separating ίο must pass through against gravity,

zone of eijiem ^ equally of radial. Poor> finally lifted up by the crop that is pushing after

the middle shaft-borne shovel mechanism; presses / i This causes blockages

characterized in that in a call that a removal of the threshed grains

In a known manner, make it slightly more difficult in the conveying direction. This leads to a reduction in the

increasing housing cylinder (30) the same 15 threshing performance.

Diameter having drums angeord- The invention is based on the knowledge that that not only collect the harvested material from an open framework to remedy this deficiency are, whose radial arranged in groups is fed in the axial direction of the drum, but it Arms (63) in the threshing drum must also be influenced in a known way so that it is in the Way by moving in the longitudinal direction of the drum 20 in the axial direction in the drum housing and Extending ^ .mit Preschträger (57) provided, as is the nature of the axial threshing drum Carrier (56), in which the separating drum is matched by, executes multiple revolutions. Therefore angled support (56 ') are connected so that the housing and drive shaft must not be in a vertical position Housing cylinder (30) be arranged on the inside in a known plane and is intended to facilitate locomotion Way with helical trans- 25 of the goods not from bottom to top against the port ribs (34) is provided and that they take place in the force of gravity, but should be what amounts to itself to the threshing drum arranged worm is known, the position of the housing cylinder about a horizontal spiral (54), which guides the harvested crop easily in the axial flow, most advantageously towards the rear will be increasing from the number of arm groups and the crop should be supplied in this way Number of screw parts (62) 30 the that it is in the between the housing and the consists. rotating threshing drum existing gap, and

is introduced in such a way that it is

, " _: . ,., bar in the area of the intended blow bars and

~ ~ , ......, of the wing of the following them in the same plane

35 separating drum reached.

The solution to this problem is therefore there

The invention relates to an axial threshing machine in the case of the axial threshing machine described above

threshing machine, in particular a self-propelled one according to the invention in that in a well-known

Combine harvester, and relates to the formation of the ter way in the conveying direction slightly increasing

Threshing and separating device. 40 housing cylinders have the same diameter -

From the USA.-Patent 2 9Q5 182 the drums are arranged, which are made of an open

Axial threshing machines with a subsequent framework exist, the groups of which are

Screw spiral in the conveying direction on an ordered radial arm in the threshing drum in loading

common center shaft arranged one behind the other in a known manner by running in the longitudinal direction of the

Threshing and separating drum known, which is provided with threshing bars extending in the drum

Threshing zone made of radial arms of the central shaft carrier, Jn of the separating drum by angled

carried threshing bars and are connected in the separation zone from carrier that the housing cylinder in

one likewise of radial arms of the central shaft on the inside in a known manner with a helical shape

carried shovel. The feed.des extending transport ribs is provided and that The crop is harvested approximately at right angles to the drum · .50 dig im; Infeed to the threshing drum arranged

shaft, is captured by the screw spiral and up to the screw spiral, which feeds the crop in the axial flow.

into which is led inside and outside with wings and with, from the number of arm groups

shovel-like bars provided with threshing-speaking number of screw parts,
drum pushed up,.; and, there- pressed. ,, The;,.,; ,, The harvested crop fed in via 4en, elevation conveyors

Grains are by centrifugal force "from the inside 55 is caught by the spiral screw and into the

towards the outside against the gap between the threshing cylinder and the threshing drum

The wall of the drum was thrown and pressed into the annular space. The inside of the cylinder

between the drum and the housing by means of supplied screw-shaped transport ribs

Air into a ring surrounding the separation zone for rapid further transport. _/ The one in the enema

Carried up room and from there to the grain tank 60 to the threshing drum ·· provided spiral spiral

guided. Straw and grain residues running through consists of as many screw parts as the DTesch-

from bottom to top the threshing drum and the drum arm groups and the subsequent separating

above the separating drum. There are drum wings. This means that the

Grains still present in the mixture radially led the crop directly into the work area

thrown outside, pass through the separating flow 65 of the associated arm and wing groups. Since that

mel ring-shaped surrounding sieve and get into the crop essentially in the thickness of the between

Grain removal. The threshing residues are left behind by the drum and cylinder

a centrally arranged above the separating drum and with this layer thickness several circulations