DE150104C

DE150104C -

Info

Publication number: DE150104C
Application number: DENDAT150104D
Authority: DE

Description

KAISERLICHESIMPERIAL

PATENTAMT.PATENT OFFICE.

Λ* 150104 KLASSE 47c.Λ * 150104 CLASS 47c.

Den Gegenstand der Erfindung bildet eine Klemmverbindung der beiden Teile von Transmissionsteilen, die die Welle mit einer in der Achsenrichtung der Welle geteilten z\veiteiligen zylindrischen Nabe oder zylindrischem Ring umschließen. Solche Teile sind in der einfachsten Form der Stellring, weiter Riemscheiben, Schalenkupplungen u. a.The subject of the invention is a clamp connection of the two parts of transmission parts, which divide the shaft with one divided in the axial direction of the shaft enclose cylindrical hub or cylindrical ring. Such parts are in the simplest Shape of the adjusting ring, further belt pulleys, shell couplings, etc.

Es ist bekannt, die Hälften zweiteiligerIt is known to split the halves into two parts

ίο Stellringe o. dgl. duixh schwalbenschwanzförmige Verzahnung der Stoßflächen derart zu verbinden, daß beim Anbringen des der Befestigung des Ringes dienenden Mittels (Schraube, Keil) oder auch ohne Hilfsmittel durch Anordnung schräger Zahnflächen ■ und einer Keilfeder gleichzeitig mit der Befestigung auf der Welle auch die Verbindung der beiden Ringhälften erfolgt.ίο adjusting rings or the like duixh dovetail-shaped To connect toothing of the abutment surfaces in such a way that when attaching the means used to fasten the ring (Screw, wedge) or without tools by arranging inclined tooth surfaces ■ and a wedge spring simultaneously with the fastening on the shaft also the connection of the two Ring halves takes place.

Bei Anwendung des üblichen einen Keiles oder einer Stellschraube wird bei diesen Verbindungen nur die eine Ringhälfte angezogen, während der Gegendruck durch die Stellschraube bezw. den Keil hervorgerufen wird. Demgegenüber wird durch die Ausbildung der Stoßflächenverzahnung nach dieser Erfindung bezweckt, durch den Anzug des Befestigungskeiles bezw. der Stellschraube beide Naben- bezw. Ringhälften mit zwei gegenüberliegenden zylindrischen Druckflächen an die Welle zu drücken und diese nicht zwischen einer Druckfläche und einem Keil bezw. Stell-, schraubenspitze, sondern zwischen diesen Druckflächen einzuspannen und so eine bessere Verteilung des Druckes und der Beanspruchung der beiden Ringhälften und eine sicherere Befestigung derselben auf der Welle zu erzielen. When using the usual wedge or a set screw, these connections only one half of the ring is tightened while the counterpressure is exerted by the adjusting screw respectively the wedge is caused. In contrast, the design of the abutment surface toothing according to this invention aims to bezw by the tightening of the fastening wedge. the adjusting screw both hub or. Ring halves with two opposite one another to press cylindrical pressure surfaces on the shaft and not bezw between a pressure surface and a wedge. Stell-, screw tip, but to clamp between these pressure surfaces and so a better one Distribution of pressure and stress on the two halves of the ring and a safer one To achieve attachment of the same on the shaft.

Dieser Zweck wird dadurch erreicht, daß die beiden Hälften an der Stoßflächenverzahnung nicht nur symmetrisch, sondern so ausgebildet sind, daß nach dem Zusammenschieben beider Hälften in der Längsrichtung durch das Anziehen der Befestigungsschraube bezw. des Befestigungskeiles beide Hälften gegeneinander verschoben werden, wie dies an Hand der Fig. 6 der Zeichnung näher erläutert ist.This purpose is achieved by the fact that the two halves on the abutment surface toothing not only symmetrical, but are designed so that after being pushed together both halves in the longitudinal direction by tightening the fastening screw BEZW. of the fastening wedge both halves are shifted against each other, as explained in more detail with reference to FIG. 6 of the drawing is.

Diese Figur veranschaulicht den diesbezüglichen Unterschied in der Wirkung gegenüber einer bekannten Stellringverbindung, wo diese Ausbildung fehlt.This figure illustrates the difference in effect in this regard a known adjusting ring connection, where this training is missing.

Bei dieser bekannten Verbindung (Fig. 6, links) wird wie bei einem einteiligen Ring durch den Anzug nur die dem Anzugsmittel gegenüberliegende Druckfläche der Bohrung und hier auch der einen Hälfte gegen die Welle gedrückt; bei der Verbindung gemäß der Erfindung dagegen bedingen die parallel nach einer Seite gerichteten schrägen Zahnflächen beim Anzug der Stellschraube ein gegenseitiges seitliches Verschieben beider Hälften (Fig. 6, rechts) derart, daß beide Hälften mit je einer einander gegenüberliegenden Druckfläche gegen.die Welle gedrückt werden.This known connection (Fig. 6, left) is like a one-piece ring due to the tightening, only the pressure surface of the bore opposite the tightening means and here also one half pressed against the shaft; when connecting according to of the invention, on the other hand, require the inclined tooth surfaces directed parallel to one side when the set screw is tightened, both halves move sideways (Fig. 6, right) in such a way that both halves each have an opposing pressure surface pressed against the shaft.

In der Fig. 6 ist die Bohrung des Stellringes übertrieben groß gezeichnet und esIn Fig. 6, the bore of the collar is drawn exaggerated and it

Claims

Therefore, the lateral shift also appears to a correspondingly larger extent, while it becomes imperceptible with a more precise drilling, without naturally its effect ", the better pressure distribution on both ring halves respectively. the cheaper clamping of the shaft is omitted.

Of the other figures of the drawing: Fig. Ι the end view of a split collar,

Fig. 2 is a section through the same,
Fig. 3 is an end view of a smaller pulley,

Fig. 4 is a plan view of the lower pane half (left side),

Figure 5 is an end view of a larger pulley;

7 and 8 are end and side views of an adjusting ring in a somewhat modified form.

The adjusting ring (Fig. 1 and 2) consists of the two halves α b, the abutment surfaces of which interlock by means of the rectified inclined toothing c in such a way that when the adjusting screw d is tightened, the engagement surfaces of the toothing slide on each other and the adjusting ring halves are pressed firmly against the shaft. When loosening the adjusting screw d , the two parts, which are then no longer pressed firmly against one another, can easily be moved and separated in the axial direction of the shaft.

The adjusting ring is applied in

in the same way by sliding the toothed abutment surfaces of the two sideways into one another Halves.

The connection of the two halves of the pulley, which is shown in FIG. 5, takes place in a very similar manner, in that the two-part hub e shows the toothing c on its abutment surfaces, the engagement surfaces of which slide on one another when the wedge is driven into the keyway f. In the case of larger pulleys, it is useful to connect the dovetail-shaped extensions h to the abutting edges of the rim halves i by exaggerating the bracket g , which is provided with somewhat wedge-shaped grooves.

After loosening the wedge respectively. In the case of the last-mentioned connection, including the bracket g , the pulley can be easily removed from the shaft by laterally displacing the two halves of the pulley in the same way as with the adjusting ring.

In the case of the pulley in FIGS. 3 and 4, an embodiment which can advantageously be used for smaller pulleys is used. Here the pulley is not divided at one point between the arms on the hub and rim, as in FIG. 5, but in the middle of two arms which, as FIG. 4 shows, occupy almost the entire width of the pulley rim. The abutment surfaces of the two arm halves k and / show the toothing c, which corresponds exactly to the design and mode of operation of the abutment surfaces of the adjusting ring (Fig. 1) or the hub of the pulley (Fig. 5).

When the key is tightened in the keyway /, it is also clamped in this case of the two pulley halves, and when the wedge is loosened, the connection is immediately made of the two pulley halves possible by moving them towards each other.

In all of the examples shown in FIGS. 1 to 5, the toothing is in accordance with the invention the abutment surfaces arranged so that not only BEZW for both pulleys. Collar halves one and the same model can be used, but that also the possibility of mutual lateral displacement the two discs respectively. Ring halves are preserved after they have been pushed into one another.

The embodiment of the adjusting ring in Fig. 7 and 8 corresponds essentially to that shown in Fig. Ι and 2; However, the partial line in FIG. 8 does not go straight through, but it is provided with a step that results from an approach χ of one half, which engages in a corresponding section of the other half. This ensures that the mutual displacement of the parts in the longitudinal direction is fixed to one side independently of the fastening means (the adjusting screw) and the parts find a stop when they are pushed into one another, which ensures that their side planes are flat without further effort.

The above-described compound forming the subject of the invention can also be excluded on the transmission parts shown, adjusting ring and pulleys, without further ado to other transmission parts divided in the axis of the shaft, such as clutches, Use split cord pulleys, gears, pulleys, etc. Your benefit comes especially when it comes to transmissions, which are from time to time a change respectively Change of position of the adjusting rings and washers must take place and therefore a quick application and removal of the parts is particularly desirable.

Patent-A ν Proverbs:

I. Two-part clamping connection, divided in the direction of the shaft axis Adjusting rings, belt pulleys, clutches and the like with dovetail-like ones Toothing that can be pushed into one another in the direction of the shaft axis and When tightening the fastening means (wedge, adjusting screw), the joint surfaces of the two halves are compressed

characterized in that the inclined pressure surfaces (c) of the toothing, the shape of which is congruent or symmetrical in both halves, form sliding surfaces in the same direction, which cause the mutual lateral displacement of both halves when tightening the fastening means in such a way that then each half with its bore on each other opposite points of the shaft with a pressure surface.

2. Embodiment of the clamping connection according to claim i, characterized in that one of the parallel abutment surfaces on the toothing (c) does not go straight through in the wave direction, but receives an approach (x) which has a lateral stop to secure the exactly opposite position of the two halves (a and b) in the plane perpendicular to the axis direction '.

1 sheet of drawings.

Berlin, pressed by the Reichsdruckerei.