DE3815100C1 - Double angular roller bearing with a wire track - Google Patents

Abstract

In order to provide a double angular roller bearing having, in particular, a central wire track (5) supporting both rows of rollers, a wire track being supported resiliently in the axial direction, which bearing can transmit introduced forces in the radial direction without a shift of the bearing rings (1, 2) and retains the advantages of resilient support of the running system, a resilient support washer (17) is arranged between the central wire track (5) and an axial wall (16) of the turned wire-receiving recess (15) of the associated bearing ring (2). <IMAGE>

Description

The invention relates to a double tapered roller wire rolling bearing the preamble of claim 1.

Such wire roller bearings have a defined preload or a defined camp game.

From DE-OS 33 20 457 is a double tapered roller wire bearing according to the preamble of claim 1, in which between the central contact wire and u. a. an axially normal wall of the wire Take-out of the associated bearing ring a resilient support element is arranged. This known support element is as tubular pressure pad. This famous camp but only allows the game by means of this pressure cushion Damping and / or the rotational resistance of the wire roller bearing the Er to vary according to requirements.

DE-OS 37 38 798 shows a Wire roller bearing, in which an outer contact wire is axially resilient a spring washer is supported. The disadvantage of this is that with radially introduced bearing forces an axial displacement Exercise of the contact wire and thus a bearing ring occurs because the contact wire support due to the reaction forces in the bearing system yields resiliently.

The invention is therefore based on the object of a double Sheep roller wire roller bearings of the type mentioned fen, the forces introduced in the axial direction without displacement the bearing rings can transfer, taking advantage of the resilient Support of the running system should be preserved.

This object is achieved according to the subject of the preamble of claim 1 by the in the characterizing of Features specified claim 1 solved.

A useful and advantageous embodiment is in the saying 2 specified.

The advantages achieved with the invention consist in particular in a simple construction that enables high Achieving accuracy of a bearing, even if final structures are rotatably connected to this bearing where with no displacement of the bearing rings when introducing radial and axial forces also occur.

An embodiment of the invention is shown in the drawing explained in more detail.

It shows schematically a section through a wire roller bearing half.

As can be seen from the drawing, a rolling system is net angeord between an outer bearing ring 1 and an inner bearing ring 2 . It is a double inclined roller wire rolling system, in which the supporting roller row 3 and holding roller row 4 are each arranged at an angle of 45 ° to the bearing axis 18 . The supporting roller row 3 and the holding roller row 4 roll on their respective career of the common central wire 5 and are supported by two further wires 6, 7 in the outer bearing ring 1 formed from divided. The contact wires 5, 6, 7 are formed in one or more parts and have one or more axial separating joints to compensate for temperature differences between contact wire material and bearing ring material.

The idler and retaining roller rows 3, 4 are in cages 8 leads ge. To compensate for the manufacturing tolerances and to set the desired bias of the running system, the single ring ge 9, 10 of the outer bearing ring 1 via spacers 11 mitein other connected. The upper connection structure 12 and the lower connection structure 13 are only hinted at in the drawing.

The main taxi load (overlying load) is from the upper to the construction 12 on the inner bearing ring 2 , the central wire 5 , the support roller row 3 , the wire 7 and a single ring 10 of the bearing ring 1 to the lower connection construction 13 transferred. In this flow of force, the central running wire 5 lies with its outer surface on the associated upper angle of the profile of the support element 17 directly on the wall 14 of the wire take-out rotation 15 .

The resilient support element 17 is U-shaped and closes the central contact wire 5 . The resilient support element 17 lies completely in the wire receiving recess 15 and can yield resiliently in the region of the axis-normal wall 16 , on which the lower axial forces are to be transmitted, via the lower leg of its profile. The resilient support element 17 can consist of segments and be radially separated or slotted and / or be formed over the circumference as a corrugated circular ring.

Reference symbol list

1 Outer bearing ring
2 Inner bearing ring
3 row of idlers
4 row of holding rollers
5 Center wire
6 contact wire
7 contact wire
8 cage
9 single ring
10 single ring
11 spacer
12 Upper connection structure
13 Lower connecting structure
14 wall
15 Wire take-out
16 axis normal wall
17 Resilient support element
18 bearing axis

Claims (2)

1. Double inclined roller wire rolling bearing with in particular a two-row rows carrying central running wire, which is resiliently supported in the axial direction, wherein between the central running wire and an axially normal wall of the wire receptacle-rotation of the associated bearing ring, a substantially revolving resilient support element is arranged , characterized in that the support element ( 17 ) has an L-shaped or U-shaped profile which partially or completely encloses the central contact wire ( 5 ) in the recess ( 15 ) on the walls of the wire-receiving recess ( 15 ) abuts and with one leg of its profile the central contact wire ( 5 ) against the axially normal wall ( 16 ), which has to bear the lower axial forces, resiliently supported. 2. Double oblique roller wire rolling bearing according to claim 1, characterized in that the resilient support element ( 17 ) is formed in one piece or in segment form as a corrugated and / or ge slotted circular ring.