Portalachse

Abstract

Portal axle for motor vehicles with an axle carrier (1) which is connected at both ends to a portal housing (2) which is formed with spring carrier brackets (4) having two connecting projections (9, 9') formed at a vertical distance (12) from each other, wherein a horizontally C-shaped spring carrier arm (6) can be attached at one end to the connecting projections (9, 9') of each spring carrier bracket (4), wherein the other end of the spring carrier arm (6) can be attached to the vehicle via a suspension and / or damping element (7, 8), characterized in that the connecting projections (9, 9') are arranged to extend vertically and are offset from each other by a certain distance (11) in the longitudinal direction (10) of the axle carrier (1), wherein the connecting projection (9') which is closer to the end of the spring carrier arm (6) on the suspension and / or damping element (7, 8) is the lower Connection approach (9') is.

Description

[0001] The invention relates to a portal axle for motor vehicles, in particular for buses, with an axle carrier which is connected at both its ends to a portal housing which is designed with spring carrier brackets having two connecting projections formed at a vertical distance from each other, wherein a spring carrier arm extending approximately horizontally in a C-shape can be attached to the connecting projections of each spring carrier bracket at one end, wherein the other end of the spring carrier arm can be attached to the vehicle via a suspension and / or damping element.

[0002] In such known portal axles, the connecting elements of the spring carrier bracket extend largely across the width of the portal housing in the longitudinal direction of the axle carrier. They are robustly constructed to absorb the torsional forces exerted upon them by the C-shaped spring carrier arms. This results in a high overall weight for the spring carrier bracket.

[0003] The object of the invention is to create a portal axis of the types mentioned above in which, with reduced weight of the spring support bracket, the torsional forces acting on the spring support bracket and the portal housing from the C-shaped spring support arms are well absorbed and supported.

[0004] This problem is solved according to the invention by the fact that the connecting elements are offset from each other by a certain distance in the longitudinal direction of the axle carrier and extend approximately vertically, wherein the connecting element is the lower connecting element that is closer to the end of the spring carrier arm on the suspension and / or damping element.

[0005] This design places the connection points only where they are within the force flow of the torsional forces to be absorbed. This saves material in areas not within this force flow, resulting in a significant weight reduction of the spring carrier brackets. Particularly in heavy commercial vehicles, this translates to a more efficient powertrain and thus a significant reduction in emissions.

[0006] To avoid twisting of the spring carrier arms at the support areas of the spring carrier brackets, the spring carrier brackets can have a mounting point of less vertical extent than the mounting point to which the spring carrier arm can be attached, at an approximately horizontal distance to the connection point.

[0007] Preferably, the fastening points are located at approximately the same vertical height as their respective connecting points.

[0008] If the upper mounting point is horizontally further away from the axle carrier than the upper connecting shoulder, and the lower mounting point is horizontally closer to the axle carrier than the lower connecting shoulder, then they are also in the force flow of the torsional forces to be absorbed and contribute to their support.

[0009] The fastening elements can be connected to their associated connecting elements via an approximately horizontal web, resulting in an L-shape of connecting element and fastening element. The width of the leg of the "L" forming the connecting element is preferably greater than the width of the leg of the "L" forming the fastening element.

[0010] For good force absorption, portal housings and spring carrier brackets are preferably a one-piece component that is easy to manufacture, if portal housings and spring carrier brackets are a one-piece metal casting component.

[0011] The spring support arms can be easily attached to the spring support console if they can be connected to the connecting elements and, if necessary, to the mounting elements using screw connections.

[0012] However, any other suitable fastening method is also possible.

[0013] An embodiment of the invention is shown in the drawing and is described in more detail below. The drawing shows...

[0014] Fig. 1. A front view of a portal axis

[0015] Fig. 2 a top view of the portal axis Fig. 1

[0016] Fig. 3 a front view of a portal housing of the portal axis Fig. 1

[0017] Fig. 4 a side view of the portal housing of the portal axis Fig. 3.

[0018] The in the Fig. 1 and Fig. The two portal axes shown have an axle carrier. 1 on, at each end of which is a portal housing 2 is arranged. The portal housing 2 possesses in the longitudinal direction of the vehicle 3 A spring carrier console on both sides 4 , where portal housing 2 and spring carrier brackets 4 are designed as a single-piece metal casting component.

[0019] To the portal housings 2 axially close wheel parts 5 to.

[0020] On the spring carrier brackets 4 Each is a spring support arm extending in a C shape. 6 attached at one end. At the other end of the spring carrier arm. 6 , which is located in the longitudinal direction of the vehicle 3 viewed approximately radially to the wheel part 5 Each is a suspension element. 7 and a damping element 8 arranged, which can be attached to the structure of a vehicle (not shown).

[0021] Each spring carrier console 4 features two connection approaches 9 , 9‘ on, which both in the longitudinal direction 10 of the axle carrier 1 by a certain distance 11 are offset from each other as well as having a vertical distance 12exhibit and extend vertically. The lower connecting point is... 9‘ opposite the upper connecting paragraph 9 in the longitudinal direction of the axle carrier 1 offset closer to the end of the spring arm on the suspension element 7 and damping element 8 .

[0022] From the upper connection point 9 extends towards the axle carrier 1 a horizontal bridge 13 to a fastening approach 14 . Connection approach 9 and mounting point 14 are separated by a horizontal distance 18 offset from each other.

[0023] From the lower connection point 9‘ extends towards the axle carrier 1 A horizontal bridge is removed. 13‘ to a fastening approach 14‘ . Connection approach 9‘ and mounting point 14‘ are separated by a horizontal distance18‘ offset from each other.

[0024] The footbridge 13 has the same vertical width as the mounting point 14 , so that connection approach 9 , footbridge 13 and mounting point 14 form an "L". The width of the bridge 13 and the mounting point 14 The leg formed by the "L" is smaller than that formed by the connecting joint. 9 formed leg of the "L".

[0025] The footbridge points in the same way 13‘ the same vertical width as the mounting point 14‘ , so that connection approach 9‘ , footbridge 13‘ and mounting point 14‘ form an "L". The width of the bridge 13‘ and the mounting point 14‘ The leg formed by the "L" is smaller than that formed by the connecting joint. 9‘ formed leg of the "L".

[0026] Both the connection approaches 9 , 9‘ as well as the fastening methods 14 , 14‘ point perpendicular to the longitudinal extent of the axle carrier 1 directed threaded holes 15 on. According to the threaded holes. 15 is a mounting plate 16 on the portal housing 2 end of the spring carrier arm facing the spring 6 provided with holes through which screws 17 protrude through, which fit into the threaded holes 15 are screwed in. This secures the spring carrier arm. 6 with its mounting plate 16 at the mounting point 14 or 14‘ , the connection approach 9 or 9‘ and the footbridge 13 or 13‘ adjacent to the spring carrier console 4 screwed on. Reference symbol list 1 axle carrier 2 portal housings 3 Vehicle lengthwise 4 Spring carrier console 5 wheel parts 6 spring arms 7 Suspension element 8 damping element 9 Connection approach 9' connection point 10 Longitudinal direction 11 Distance Longitudinal direction 12 vertical spacing 13 Bridge 13' Bridge 14 Mounting point 14' Mounting bracket 15 threaded holes 16 mounting plates 17 screws 18 horizontal spacing 18' horizontal distance

Claims

[1] Portal axle for motor vehicles, especially for buses, with an axle carrier ( 1 ), which is equipped with a portal housing at each of its two ends ( 2 ) is connected to spring carrier brackets ( 4 ) is formed, which are the two at a vertical distance ( 12 ) connection points formed towards each other ( 9 , 9‘ ) exhibit, with the connection points ( 9 , 9‘ ) each spring carrier console ( 4 ) a spring support arm extending in an approximately horizontal C-shape ( 6 ) can be attached with one end, with the other end of the spring carrier arm ( 6 ) via a suspension and / or damping element ( 7 , 8 ) can be attached to the vehicle, characterized by that the connection approaches ( 9 , 9‘ ) in the longitudinal direction ( 10 ) of the axle carrier ( 1 ) by a certain distance ( 11) offset from each other, extending approximately vertically, with the connecting point ( 9‘ ), which is the end of the spring carrier arm ( 6 ) on the suspension and / or damping element ( 7 , 8 ) is closer, the lower connection approach ( 9‘ ) is. [2] Portal axis according to claim 1, characterized by that the spring carrier brackets ( 4 ) at an approximately horizontal distance ( 18 , 18‘ ) to the connection approach ( 9 , 9‘ ) a fastening attachment ( 14 , 14‘ ) lesser vertical extent than the connection approach ( 9 , 9‘ ) exhibit, on which the spring support arm ( 6 ) can be attached. [3] Portal axis according to claim 2, characterized by that the fastening points ( 14 , 14‘ ) are at approximately the same vertical height as their respective assigned connection points ( 9 , 9‘) condition. [4] Portal axis according to one of claims 2 and 3, characterized by that the upper mounting point ( 14 ) horizontally to the axle carrier ( 1 ) further away than the upper connecting paragraph ( 9 ) and the lower mounting point ( 14‘ ) horizontally to the axle carrier ( 1 ) closer than the lower connection point ( 9‘ ) is arranged. [5] Portal axis according to one of claims 2 to 4, characterized by that the fastening points ( 14 , 14‘ ) over approximately horizontal bridges ( 13 , 13‘ ) with their associated connection approaches ( 9 , 9‘ are connected. [6] Portal axis according to one of the preceding claims, characterized by that portal housing ( 2 ) and spring carrier brackets ( 4 ) are a one-piece component. [7] Portal axis according to claim 6, characterized by that portal housing ( 2) and spring carrier brackets ( 4 ) are a one-piece cast metal component. [8] Portal axis according to one of the preceding claims, characterized by that the spring support arms ( 6 ) by means of screw connections with the connecting elements ( 9 , 9‘ ) and, if applicable, with the mounting brackets ( 14 , 14‘ are connectable.

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