초록 ▼

A carrying axle (1) for trailers and a method for the production thereof are provided. The axle (1) includes an axle body (4) having an outer supporting axle tube (10) in which a rocker arm assembly (6), which is bent once or several times, is introduced. The rocker arm assembly (6) is produced as a

A carrying axle (1) for trailers and a method for the production thereof are provided. The axle (1) includes an axle body (4) having an outer supporting axle tube (10) in which a rocker arm assembly (6), which is bent once or several times, is introduced. The rocker arm assembly (6) is produced as a metal, tubular stamped and bent single piece. The rocker arm assembly is stamped from a platine (21) or a sheet metal strip (23) and is bent in order to form an angled tube (22).

대표청구항 ▼

1. A carrying axle for vehicles and trailers, the axle comprising an axle body comprising: an outer supporting tubular axle part; andan angular rocker arm assembly mounted within the tubular axle part, the angular rocker arm assembly including at least one bend, the rocker arm assembly comprising a

1. A carrying axle for vehicles and trailers, the axle comprising an axle body comprising: an outer supporting tubular axle part; andan angular rocker arm assembly mounted within the tubular axle part, the angular rocker arm assembly including at least one bend, the rocker arm assembly comprising a one-piece, tubular, stamped and bent part made of metal, the one-piece bent part defining an inner axle portion with a length, a rocker arm portion and a curved portion connecting the inner axle portion to the rocker arm portion, and the rocker arm assembly further comprising a lengthwise single weld seam extending along the length of the inner axle portion and joining edges of the one-piece bent part, the one-piece bent part and the lengthwise single weld seam exclusively forming a jacket of inner axle portion along the length of the inner axle portion. 2. An axle in accordance with claim 1, further comprising an axle spring mounting integrated in the tubular axle part. 3. An axle in accordance with claim 1, further comprising a cord-shaped spring element; wherein the inner axle portion comprises an axle tube defining a spring holder for holding the cord-shaped spring element. 4. An axle in accordance with claim 1, further comprising an axle stub wherein the axle stub projects transversely from the rocker arm portion at an end thereof. 5. An axle in accordance with claim 1, wherein a bending angle of the tube of the rocker arm assembly is between 90° and 100° at the curved portion between the inner axle portion and the rocker arm portion. 6. An axle in accordance with claim 1, wherein the axle has a wheel with a rim, whereby the rocker arm assembly is coordinated with the rim such that the rocker arm portion is mostly arranged in a rim interior space. 7. An axle in accordance with claim 1, wherein the rocker arm assembly one-piece bent part is comprised of a single sheet metal strip which has been stamped and bent into an angular tube. 8. An axle in accordance with claim 7, wherein the angular tube of the rocker arm assembly has a triangular cross section. 9. An axle in accordance with claim 7, wherein the rocker arm assembly has tube wall abutting edges with a weld seam joint. 10. An axle in accordance with claim 9, wherein the angular tube has an end with an abutting edge. 11. An axle in accordance with claim 1, wherein the inner axle portion part and the rocker arm portion are connected transversely or diagonally. 12. An axle in accordance with claim 11, wherein the rocker arm assembly has a bead reinforcement area at the curved portion between the inner axle portion and the rocker arm portion. 13. An axle in accordance with claim 12, wherein an abutting edge runs in an area of the curved portion. 14. An axle in accordance with claim 12, wherein the rocker arm assembly has a lap joint with a fillet weld at the curved portion. 15. An axle in accordance with claim 14, wherein a wall of the tubular axle part in the bead reinforcement area has an enlarged cross section at the curved portion. 16. An axle in accordance with claim 14, wherein a wall of the tubular axle part in the bead reinforcement area has an oval cross section at the curved portion. 17. A method for producing a carrying axle for vehicles and trailers, the method comprises the steps of: providing an axle body with an outer supporting tubular axle part;producing an angular rocker arm assembly, that has a bend, as a one-piece, tubular, stamped and bent part made of metal, the one-piece bent part being shaped to define an inner axle portion with a length, a rocker arm portion and a curved portion connecting the inner axle portion to the rocker arm portion, and the rocker arm assembly further comprising a lengthwise single weld seam extending along the length of the inner axle portion and joining edges of the one-piece bent part, the one-piece bent part and the lengthwise single weld seam exclusively forming a jacket of the inner axle portion along the length of the inner axle portion; andmounting the angular rocker arm assembly in the axle part. 18. A method in accordance with claim 17, wherein the rocker arm assembly is stamped from a sheet metal strip and is bent into an angular tube. 19. A method in accordance with claim 17, wherein said step of producing the rocker arm assembly includes forming the inner axle portion and the rocker arm portion connected transversely or diagonally thereto via the curved portion. 20. A method in accordance with claim 19, further comprising providing an axle stub, wherein at a free end of the rocker arm portion of the rocker arm assembly, a recess is formed and the axle stub is inserted and fixed with the recess. 21. A method in accordance with claim 18, wherein the sheet metal strip has edges that form abutting edges, which are connected with the lengthwise single weld seam, the lengthwise single weld seam being along a lengthwise running central line of the angular tube. 22. A method in accordance with claim 21, wherein the abutting edges contact upon a bending of the tube and are sealed with the lengthwise single weld seam and are formed at bulged, oval edges of a bead. 23. A method in accordance with claim 22, wherein a junction in a bending area and at the bead comprises a lap joint with a fillet weld. 24. A carrying axle for vehicles and trailers, the axle comprising an axle body comprising: an outer supporting tubular axle part; andan angular rocker arm assembly mounted within the tubular axle part, the angular rocker arm assembly comprising a one-piece, tubular, stamped and bent part made of metal, the one-piece bent part defining an inner axle portion having a length, a rocker arm portion having a length and a curved portion connecting the inner axle portion to the rocker arm portion, such that the rocker arm portion extends in a lengthwise direction at an angle relative to a lengthwise direction of the inner axle portion; and the rocker arm assembly further comprising:a lengthwise single inner axle portion weld seam extending along the length of the inner axle portion and joining edges of the one-piece bent part, the one-piece bent part and the lengthwise single inner axle portion weld seam exclusively forming a jacket of the inner axle portion along the length of the inner axle portion and the lengthwise single inner axle portion weld seam extending approximately along a lengthwise running central line of a formed inner axle portion tube; anda lengthwise single rocker arm portion weld seam extending along the length of the rocker arm portion and joining edges of the one-piece bent part, the one-piece bent part and the lengthwise single rocker arm portion weld seam exclusively forming a jacket of the rocker arm portion along the length of the rocker arm portion and the lengthwise single rocker arm portion weld seam extending approximately along a lengthwise running central line of a formed rocker arm portion tube.