Oscillation module

Patent metadata

Field	Value
Publication number	US-11248350-B2
Application number	US-201816650458-A
Country	US
Kind code	B2
Filing date	Sep 25, 2018
Priority date	Sep 27, 2017
Publication date	Feb 15, 2022
Grant date	Feb 15, 2022

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, and
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 imbalance mass is configured to be driven for rotation by the oscillation drive motor by a belt drive comprising at least one belt, a belt drive pulley and a belt driven pulley,
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 at least one belt and the belt drive pulley and/or the belt driven pulley cooperating therewith.

2. An oscillation module according to claim 1 ,
wherein the belt drive, in association with at least one imbalance mass on the oscillation drive motor, comprises the belt drive pulley, which can be rotated about a drive axis of rotation, on the imbalance mass the belt driven pulley, and the at least one belt, which interacts with the belt drive pulley and the belt driven pulley.

3. 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.

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 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, and/or that at least one oscillation mass unit comprises an imbalance mass with an imbalance shaft that is rotatably supported on the carrier about an oscillation axis of rotation.

7. An oscillation module according to claim 6 ,
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 the 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.

8. An oscillation module according to claim 6 ,
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 the 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.

9. An oscillation module according to claim 6 ,
wherein in that at least one imbalance mass on the associated imbalance mass bearing projection is rotatably supported by an imbalance mass bearing, wherein the 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.

10. An oscillation module according to claim 6 ,
wherein at least one imbalance mass bearing projection is fixed to the carrier by a plurality of fastening elements, and/or in that at least one imbalance mass bearing projection is formed integral with the carrier.

11. An oscillation module according to claim 6 ,
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.

12. An oscillation module according to claim 11 ,
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.

13. An oscillation module according to claim 11 ,
wherein the belt drive, in association with at least one imbalance mass on the oscillation drive motor, comprises the belt drive pulley, which can be rotated about a drive axis of rotation, on the imbalance mass the belt driven pulley, and the at least one belt, which interacts with the belt drive pulley and the belt driven pulley, and
wherein at least one imbalance mass of the imbalance mass ring body, provides the belt driven pulley.

14. An oscillation module according to claim 13 ,
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.

15. An oscillation module according to claim 14 ,
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.

16. 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.

17. An oscillation module according to claim 16 ,
wherein the oscillation mass units are arranged on the second axial side of the carrier.

18. An oscillation module according to claim 16 ,
wherein the oscillation drive motor is supported on the carrier via a roller drive motor.

19. An oscillation module according to claim 16 ,
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.

20. An oscillation module according to claim 19 ,
wherein the housing is fixed to the carrier together with the roller drive motor.

21. An oscillation module according to claim 19 ,
wherein at least one belt tensioning roller is supported on the housing.

22. 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 .

Assignees

• Hamm Ag

Inventors

• Janner Peter

Classifications

• 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

• 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