Articulated vehicle and articulation joint arrangement for such a vehicle

Patent metadata

Field	Value
Publication number	US-9764763-B2
Application number	US-201314414246-A
Country	US
Kind code	B2
Filing date	Jul 12, 2013
Priority date	Jul 13, 2012
Publication date	Sep 19, 2017
Grant date	Sep 19, 2017

Abstract

The present invention relates to an articulated pendulum joint for an articulated vehicle, especially a construction machine. It comprises a front connection element for connecting a front frame part of the articulated vehicle, a rear connection element for connecting a rear frame part of the articulated vehicle, and an articulation joint, via which the front connection element and the rear connection element are mutually connected in a pivotable manner relative to each other about a steering axis (A S ). A pendulum joint is further provided, via which the front connection element and the rear connection element are mutually connected in a twistable manner relative to each other about a pendulum axis (A T ), wherein the steering axis (A S ) of the articulation joint is inclined about an acute angle α relative to the pendulum axis (A T ). The present invention further relates to an articulated vehicle, especially an articulation-steered construction machine, comprising a front frame part and a rear frame part on which driving means are respectively arranged and on which a joint arrangement of the type described above is provided.

First claim

What is claimed is:

1. A combined pendulum/articulation joint arrangement for an articulated vehicle, comprising:
a front connection element connected to a front frame part of the articulated vehicle;
a rear connection element connected to a rear frame part of the articulated vehicle;
an articulation joint, via which the front frame part and the rear frame part are mutually connected in a pivotable manner relative to each other about a steering axis (A S ); and
a pendulum joint, via which the front frame part and the rear frame part are mutually connected in a twistable manner relative to each other about a pendulum axis (A T ),
wherein the joint arrangement comprises a combination of the pendulum joint and the articulation joint,
wherein the pendulum joint comprises the front connection element and the articulation joint comprises the rear connection element, and the pendulum joint comprises a rotary body or a torsional bearing element which is rotatably arranged on the front connection element about the pendulum axis (A T ),
wherein a joint part of the articulation joint, which is complementary to a joint part of the articulation joint on a frame side, is arranged on the rotary body or on the torsional bearing element,
and further wherein the steering axis (A S ) of the articulation joint is inclined about an angle (α) relative to the pendulum axis (A T ) in a range between 85° and 65°, and that a pendulum stop of a pendulum angle is present depending on the inclination of the steering axis (A S ) and a steering angle (β).

2. The joint arrangement according to claim 1 ,
wherein the pendulum stop is formed by a finger on the front frame part and a stop for the finger on the rotary body or the torsional bearing element.

3. The joint arrangement according to claim 1 ,
wherein an angle of inclination α is 80°.

4. The joint arrangement according to claim 1 ,
wherein the steering axis (A S ) is inclined in the direction of the rear frame part.

5. The joint arrangement according to claim 1 ,
wherein the rear frame part comprises a yoke element with at least two mutually spaced bearing elements, and
at least one bearing shaft and two bearing elements which are complementary thereto are provided between the front frame part, said bearing elements being in force-locking operative connection with the bearing elements.

6. The joint arrangement according to claim 5 ,
wherein at least one bearing element comprises a spherical head, and the bearing element comprises a complementary spherical head receptacle.

7. The joint arrangement according to claim 5 ,
wherein the bearing shaft is arranged in an inclined manner parallel to the steering axis (A S ).

8. The joint arrangement according to claim 1 ,
wherein at least two bearing shafts are provided, which extend perpendicularly to the pendulum axis (A T ) and which are arranged with respect to an axis perpendicularly to the pendulum axis (A T ) in an offset manner with respect to each other along the pendulum axis (A T ).

9. The joint arrangement according to claim 5 , wherein the bearing elements of the yoke element are arranged as an upper bearing element and a bottom bearing element, and wherein the bottom bearing element is arranged with respect to an axis perpendicularly to the pendulum axis (A T ) in an offset manner along the pendulum axis (A T ) with respect to the upper bearing element, or vice versa.

10. A joint arrangement according to claim 5 ,
wherein the at least one bearing shaft is arranged on a torsional bearing element which engages with a joint pin in a rotatable manner in a torsional pin receptacle, or vice versa.

11. An articulated vehicle, comprising a front frame part and a rear frame part, on which respective driving means are arranged, and comprising a joint arrangement according to claim 1 .

12. The joint arrangement according to claim 1 ,
wherein the articulated vehicle comprises a construction vehicle.

13. The articulated vehicle according to claim 11 ,
wherein the articulated vehicle comprises an articulation-steered construction machine.

Assignees

• Bomag Gmbh

Inventors

• Haubrich Thomas
• Klein Thomas
• Jakobs Stephan

Classifications

• B62D12/00 Primary

  Steering specially adapted for vehicles operating in tandem or having pivotally connected frames (steering endless tracks or the like B62D11/00; steering specially adapted for trailers B62D13/00) · CPC title

• B62D53/021

  comprising a universal coupling joint · CPC title

• E01C19/00

  Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving (surface stabilisation E01C21/00; apparatus specially adapted for reconditioning or repairing paving E01C23/00) · CPC title