Oscillation module

Patent metadata

Field	Value
Publication number	US-11913178-B2
Application number	US-202217568164-A
Country	US
Kind code	B2
Filing date	Jan 4, 2022
Priority date	Sep 27, 2017
Publication date	Feb 27, 2024
Grant date	Feb 27, 2024

Abstract

An oscillation module for a compacting roller of a soil compactor includes a plate-like carrier, at least two oscillation mass units supported on the carrier at a distance from one another, and an oscillation drive motor supported on the carrier. The carrier has a connection formation for firmly connecting the carrier to a carrier structure of a compacting roller. Each oscillation mass unit includes an imbalance mass rotatably supported on the carrier about an oscillation axis of rotation. Each imbalance mass of each oscillation mass unit can be driven by the oscillation drive motor for rotation about the respectively assigned oscillation axis of rotation.

First claim

The invention claimed is:

1. An oscillation module for a compacting roller of a soil compactor, comprising:
a plate-like carrier, wherein the carrier has a connection formation for firmly connecting the carrier to a carrier structure of a compacting roller,
at least two oscillation mass units supported on the carrier at a distance from one another, each oscillation mass unit comprising an imbalance mass rotatably supported on the carrier about an oscillation axis of rotation,
an oscillation drive motor supported on the carrier, wherein each imbalance mass of each oscillation mass unit can be driven by the oscillation drive motor for rotation about the respectively assigned oscillation axis of rotation,
wherein at least one oscillation mass unit comprises an imbalance mass bearing projection supported on the carrier and at least one imbalance mass rotatably supported on the imbalance mass bearing projection about the oscillation axis of rotation,
wherein at least one imbalance mass comprises an imbalance mass ring body rotatably supported on the associated imbalance mass bearing projection and at least one imbalance mass element provided on the imbalance mass ring body,
wherein an imbalance mass element is arranged on at least one imbalance mass on at least one axial end face of the imbalance mass ring body and detachably connected to the imbalance mass ring body.

2. An oscillation module according to claim 1 ,
wherein at least one oscillation mass unit comprises an oscillation mass housing with a circumferential wall accommodated in an opening of the carrier and on both axial end regions of the circumferential wall in each case a base rotatably supporting an imbalance mass.

3. An oscillation module according to claim 1 ,
wherein in at least one oscillation mass unit the imbalance mass bearing projection is supported on the carrier in its first axial end region and is self-supporting in its second axial end region, wherein an imbalance mass bearing has a bearing inner ring supported on the imbalanced mass bearing projection or provided by it and one bearing outer ring supported on the imbalance mass or provided by it.

4. An oscillation module according to claim 1 ,
wherein a drive axis of rotation of the oscillation drive motor and the oscillation axes of rotation of at least two oscillation mass units are parallel to one another and/or lie in a common plane.

5. An oscillation module according to claim 1 ,
wherein the connection formation comprises a plurality of connection bolt passage openings on an outer circumferential region of the carrier.

6. An oscillation module according to claim 1 ,
wherein at least one imbalance mass is configured to be driven for rotation by the oscillation drive motor by a belt drive.

7. An oscillation module according to claim 6 ,
wherein the belt drive, in association with at least one imbalance mass on the oscillation drive motor, comprises a belt drive pulley, which can be rotated about a drive axis of rotation, on the imbalance mass a belt driven pulley, and a belt, which interacts with the belt drive pulley and the belt driven pulley.

8. An oscillation module according to claim 7 ,
wherein at least one imbalance mass of the imbalance mass ring body, provides the belt driven pulley.

9. An oscillation module according to claim 7 ,
wherein the belt drive pulley interacts with at least two belts for driving at least two imbalance masses of different oscillation mass units, wherein the belt drive pulley has successive belt interaction regions for interacting with the at least two belts in the direction of the drive axis of rotation.

10. An oscillation module according to claim 9 ,
wherein the imbalance mass ring bodies each providing a belt driven pulley are identical to one another and/or are positioned in the same axial region in the direction of the drive axis of rotation.

11. An oscillation module according to claim 6 ,
wherein in association with at least one belt a belt tensioning roller is provided, wherein at least one belt tensioning roller increases a circumferential interaction length between the belt and the belt drive pulley and/or belt driven pulley cooperating therewith.

12. An oscillation module according to claim 1 ,
wherein the oscillation drive motor comprises a motor housing supported on the carrier, positioned substantially on a first axial side of the carrier, and a motor shaft which penetrates an opening in the carrier and interacts with the oscillating mass units in a drive interaction on a second axial side of the carrier.

13. An oscillation module according to claim 12 ,
wherein the oscillation mass units are arranged on the second axial side of the carrier.

14. An oscillation module according to claim 12 ,
wherein the oscillation drive motor is supported on the carrier via a roller drive motor.

15. An oscillation module according to claim 12 ,
wherein on the second axial side of the carrier, the opening in the carrier enclosing a pot-like housing which rotatably supports the motor shaft of the oscillation drive motor is arranged.

16. An oscillation module according to claim 14 ,
wherein the housing is fixed to the carrier together with the roller drive motor.

17. An oscillation module according to claim 11 ,
wherein at least one belt tensioning roller is supported on the housing.

18. An oscillation module according to claim 1 ,
wherein at least one of:
at least one imbalance mass bearing projection is fixed to the carrier by a plurality of fastening elements, and at least one imbalance mass bearing projection is formed integral with the carrier.

19. A soil compactor, comprising at least one compacting roller rotatable about an axis of rotation with at least one oscillation module according to claim 1 .

20. The soil compactor according to claim 19 ,
wherein the at least one compacting roller comprises a roller jacket enclosing an interior, wherein in association with the at least one oscillation module in the interior, a preferably disc-like support structure which is torque-proof relative to the roller jacket is provided and the carrier of the at least one oscillation module with its connection formation is fixed to the support structure assigned to it.

21. The soil compactor according to claim 19 ,
wherein two oscillation modules are arranged at a distance from one another in the direction of the axis of rotation of the roller in the compacting roller.

22. The soil compactor according to claim 19 ,
wherein at least one compacting roller is a divided compacting roller with successive compacting roller sections in the direction of the roller axis of rotation, wherein at least one oscillation module is arranged in each compacting roller section, and/or in that at least one compacting roller is an undivided compacting roller, wherein an oscillation module is arranged in each axial end region of the compacting roller in such a way that it is substantially completely axially covered by a roller jacket of the compacting roller in the direction of the roller axis of rotation.

23. An oscillation module according to claim 1 ,
wherein in at least one oscillation mass unit the imbalance mass bearing projection is supported on the carrier in its first axial end region and is supported in its second axial end region with respect to the imbalance mass bearing projection of at least one other oscillation mass unit or with respect to the carrier, wherein an imbalance

Assignees

• Hamm Ag

Inventors

• Janner Peter

Classifications

• E01C19/286 Primary

  Vibration or impact-imparting means; Arrangement, mounting or adjustment thereof; Construction or mounting of the rolling elements, transmission or drive thereto, e.g. to vibrator mounted inside the roll (E01C19/287 and E01C19/288 take precedence) · CPC title

• B06B1/166

  Where the phase-angle of masses mounted on counter-rotating shafts can be varied, e.g. variation of the vibration phase · CPC title