EP2843134A1 - Quick-change mounting assembly for a compressor roller for a soil compactor - Google Patents

Abstract

The present invention relates to a change-holder assembly for a compactor roller for a soil compactor comprising a change holder (14) to be fixed to a roll shell and at least one roll tool (22) to be fixed to the change holder (14) with one engageable with the change holder (14) and with respect to The interchangeable holder (14) has a roller tool contact side and the at least one roller tool (22) has an exchangeable bearing contact side which can be supported on the roller tool contact side, characterized in that at least one anti-rotation projection (78) is provided on at least one side of the roller tool contact side and changer holder contact side , 80) and at least one anti-rotation recess for receiving an anti-rotation projection (78, 80) are provided on the other side of the roll tool plant side and the changer holder side.

Description

The present invention relates to a change holder assembly for a compactor roller for a soil compactor, comprising a fixed to a roll shell change holder and at least one to be fixed to the change holder roller tool with a removable holder can be brought into holding engagement and lockable with respect to the interchangeable counter-holder, wherein the change holder has a roll tool plant side and the at least one roller tool has a replaceable holder bearing side which can be supported on the roller tool contact side.

Such a changeover holder assembly is known from WO 2013/107545 A2 known. On the outer circumference of a compressor roll or a roll shell thereof, a plurality in an axial view - with respect to a rotational axis of the compactor roller - trapezoidal configured alternator set. The changeover holders are elongated in the circumferential direction and have two circumferentially oriented circumferential sides and two axial sides oriented in the direction of the axis of rotation of the compressor roller. The two circumferential sides and also the two axial sides are inclined relative to one another in such a way that the changeover holder is tapered starting from a connection region connected to the compressor roller to a roller tool contact side provided for supporting a roller tool.

In the central region of this swap holder, a holder opening is formed, in which a provided on the roller tool holder shaft can be inserted. To lock the roller tool on the change holder a ring-like locking member is surrounding the holder shaft provided in a groove-like Arretierorganaufnahmeöffnung on the changeover holder on the one hand and a groove-like Arretierorganaufnahmeöffnung on the holder shaft on the other is engageable positionable.

In particular, when a roller tool to be brought into contact with such a change-over holder is not rotationally symmetrical, but has a shape which requires a defined rotational positioning about an opening longitudinal axis of the holder opening, to ensure that a roller tool assumes a defined positioning with respect to the interchangeable holder the change holder is formed on its provided for supporting the roll tool rolling tool contact side so that it provides a complementary shaping of a provided for support on the change holder holder side of a respective roll tool on the other hand, a rotation of a roll tool about the opening longitudinal axis substantially suppressing positive locking.

It is the object of the present invention to further develop such a change-holder arrangement such that increased security against rotation of a roll tool held on the change-over holder is provided.

According to the invention this object is achieved by a change holder assembly for a compactor roller for a soil compactor, comprising a fixed to a roll shell change tool and at least one to be determined on the change holder roller tool with a removable holder can be brought into holding engagement and lockable with respect to the interchangeable counter-holder, the change holder a Walzenwerkzeuganlageseite and at least one roll tool has a support for the roll tool plant side Wechselhalteranlageseite.

It is further provided that at least one side of the roll tool plant side and Wechselalteranlageseite at least one rotation locking projection and on the other side of Walzenwerkzeuganlageseite and Wechselhalteranlageseite at least one anti-rotation recess are provided for receiving an anti-rotation projection.

In the embodiment according to the invention, if necessary, additional technical measures may be provided in addition to the above-mentioned complementary and therefore already form-locking configuration of the swap holder on the one hand and a roller tool to be fixed thereto by providing at least one anti-rotation recess and at least one anti-rotation protrusion to be positioned which can be designed in terms of their shape and, for example, their depth of engagement so that an optimal rotation for a roll tool on the change holder is given. In particular, an anti-rotation recess and an anti-rotation projection engaging in the latter can be coordinated with one another such that substantially no forces that stress away in the direction of the change-over holder are generated even when the roller tool is rotating. Thus, an unwanted detachment of the same is prevented by the change holder even when occurring rotational load of a roller tool.

On the one hand to ensure a stable connection of the change holder with a roll tool to be determined on the other hand, to be able to efficiently use the available space for providing the anti-rotation functionality, it is proposed that the change holder or the counter holder comprises a holder opening and that the counter holder or the change holder an insertable into the holder opening holder shank, wherein in at least one region laterally of the holder opening an anti-rotation recess and / or an anti-rotation projection is provided and in at least one region laterally of the holder shank an anti-rotation projection and / or an anti-rotation recess is provided.

A very stable and an unwanted rotation of a roll tool efficiently inhibiting arrangement can be provided that in a rotation-securing recess and / or an anti-rotation projection is provided in a first region laterally of the holder opening, and an anti-rotation recess and / or an anti-rotation projection is provided laterally of the holder opening, and in a first region laterally of the holder shank an anti-rotation projection or / and an anti-rotation recess is provided and in a first region opposite the second region of the side of the holder shaft, an anti-rotation projection and / or an anti-rotation recess is provided.

In an advantageous particularly for a compacting operation or a comminuting operation embodiment, it is proposed that the change holder preferably adapted to the curved outer circumference of the compressor roller connection area for connection to an outer peripheral surface of the compressor roller and the trained for supporting a roller tool and the outer peripheral surface of the compressor roller in Preferably, the changeover holder has two circumferential sides to be oriented substantially in the circumferential direction of a compacting roller and two axial sides to be oriented essentially in the direction of a compactor roller axis. Furthermore, preferably the exchangeable holder is tapered from the connection region to the roller tool contact side and the peripheral sides are under one larger angles are inclined to each other, as the axial sides.

Furthermore, it can be provided that at least one anti-rotation recess or / and at least one anti-rotation projection is provided in the region of at least one axial side of the interchangeable holder. In this embodiment as well, a symmetrical arrangement is advantageously provided in which an anti-rotation projection or an anti-rotation recess can be provided on both axial sides.

In order to be able to carry out an efficient compaction or reduction operation with the change-over holder arrangement according to the invention, it is proposed that between the connection region and the roll tool plant side the change holder has a soil cultivation area which comes into contact with the soil to be processed on this roll tool, preferably on at least one circumferential side at least one soil cultivation projection is provided in the soil cultivation area.

An arrangement in which on the one hand provided for a stable connection of a roll tool to the change holder formations can be provided, on the other hand, the inventively proposed to prevent rotation of the roll tool technical measures can be provided, it is proposed that the holder opening is provided in the change holder and in that the holder opening is surrounded on the roller tool contact side by a first support surface which is preferably substantially orthogonal to an opening longitudinal axis, wherein at least one anti-rotation recess and / or at least one anti-rotation projection is provided in the first support surface and / or adjacent the first support surface.

In addition to the measures provided by the invention, which ensure a rotation lock for a roll tool on the change holder, it is proposed that a Formschlusseingsformationfor the production of a Formschlusseingriffs is provided with a counter-Formschlusseingsformation on the Wechselhalteranlageseite the at least one roll tool on the roll tool plant side. By cooperating formations of this kind, not only the anti-rotation functionality is supported but also a uniform distribution of the load transferred from a roller tool to a change-over holder is ensured.

For this purpose, for example, be provided that the holder opening in Change holder is provided and that on the Walzenwerkzeuganlageseite to the holder opening a plurality of mutually angled second support surfaces is provided, each second support surface is provided in the adjoining region of a peripheral side to an axial side and / or that on the Walzenwerkzeuganlageseite at least one axial side between two second support surfaces at least is provided with respect to this angled third support surface and / or that is provided on the roll tool plant side at least one peripheral side between two second support surfaces at least one angled relative thereto fourth support surface.

In particular, when the second support surfaces and / or the third support surfaces and / or the fourth support surfaces are angled with respect to the first support surface and preferably surrounds it in a ring-like manner, a prism-like formation is obtained which provides a stable and uniform load-generating engagement between a roller tool and guaranteed a change holder.

For interaction with the various support surfaces is further proposed that at least one roller tool at least a second Gegenabstützbereich for support on a second support surface and / or at least a third Gegenabstützbereich for support on a third support surface and / or at least a fourth Gegenabstützbereich for support to at least a fourth Has support surface.

A stable connection of a roller tool to the changeover holder can be achieved in that the counter holder can be locked by means of a locking member on the change holder.

In particular, it can be provided in this case that an preferably annular groove-like first Arretierorganaufnahmeöffnung is provided on an inner circumference of the holder opening and / or that on an outer circumference of the holder shank preferably a ringnutartig formed second Arretierorganaufnahmeöffnung is formed, wherein in the first Arretierorganaufnahmeöffnung or the second Arretierorganaufnahmeöffnung a for locking a roll tool on the change holder in the other Arretierorganaufnahmeöffnung latched, preferably annular trained locking member is received. In this embodiment, the rotational stability of a roller tool is fundamentally not provided by the configuration ensuring the cohesion of the interchangeable holder with a roller tool. This take in the erfindungsgmäßen structure primarily interlocking anti-rotation projections and anti-rotation recesses.

A roll tool to be fixed to such a change holder may comprise a chisel, but in principle may also comprise a stamp foot. It should be noted here that both chisels and stamp feet can be provided with a wide variety of configurations. In particular, in the embodiment of a roller tool as a padfoot with generally not rotationally symmetrical configuration, the provision of the anti-rotation projections or anti-rotation recesses according to the invention for ensuring a defined Positonierung a roller tool on the changeover holder of substantial importance.

The present invention further relates to a compactor roller for a soil compactor, which comprises on an outer periphery thereof at least one changeover holder assembly according to the invention. It should be noted here that in general, a plurality of such Wechselhalteranordnungen is provided in each case in annular formations on the outer circumference of the compressor roller in order to produce over the entire roll circumference and over the entire roll length across a uniform compression or crushing functionality can.

The invention further relates to a soil compactor having at least one such Verdicherwalze.

Fig. 1

eine Seitenansicht einer Wechselhalteranordnung für eine Verdichterwalze für einen Bodenverdichter;

Fig. 2

eine Schnittansicht der Wechselhalteranordnung der Fig. 1, geschnitten längs einer Linie II-II in Fig. 1;

Fig. 3

eine Schnittansicht eines bei der Wechselhalteranordnung der Fig. 1 eingesetzten Walzenwerkzeugs, geschnitten längs einer Linie III-III in Fig. 4;

Fig. 4

eine Ansicht des Walzenwerkzeugs in Blickrichtung IV in Fig. 6;

Fig. 5

eine Seitenansicht des Walzenwerkzeugs in Blickrichtung V in Fig. 6;

Fig. 6

eine Seitenansicht des Walzenwerkzeugs in Blickrichtung VI in Fig. 5;

Fig. 7

eine perspektivische Ansicht des Walzenwerkzeugs;

Fig. 8

einen Wechselhalter der Wechselhalteranordnung der Fig. 1 mit verschiedenen an diesem anzubringenden Walzenwerkzeugen.

The present invention will be described below in detail with reference to the accompanying drawings. It shows:

Fig. 1

a side view of a changeover holder assembly for a compactor roller for a soil compactor;

Fig. 2

a sectional view of the changeover holder assembly of Fig. 1 , cut along a line II-II in Fig. 1 ;

Fig. 3

a sectional view of one of the change-holder assembly of Fig. 1 Roll tool used, cut along a line III-III in Fig. 4 ;

Fig. 4

a view of the roller tool in the direction of IV in Fig. 6 ;

Fig. 5

a side view of the roller tool in the direction V in Fig. 6 ;

Fig. 6

a side view of the roller tool in the direction of VI in Fig. 5 ;

Fig. 7

a perspective view of the roller tool;

Fig. 8

a change holder of the change holder assembly of Fig. 1 with various roll tools to be attached to this.

The in the Fig. 1 and 2 shown exchange holder assembly 10 includes a designated with a generally designated 12 connection area on the outer periphery of a roll shell of a compactor roller of a soil compactor change holder 14. Diese in der in. In Fig. 1 illustrated side view trapezoidal shaped changeover holder 14 is generally U-shaped and with its two leg portions 16, 18 set for example by welding on the roll shell. At a away from the roll shell to be positioned change tool plant side 20 of the change holder 14 is formed so that it in the embodiment of the Fig. 1 and 2 record as a stamp foot trained roller tool 22 and can support with the Wechselhalteranlageseite 23.

The in Fig. 8 also exchange holder shown in perspective comprises two when mounting the same on the outer circumference of a roll mantle preferably oriented in the direction of a rotation axis of a compressor roll lying axial sides 24, 26 and two circumferentially oriented around this compressor roll axis circumferential sides 28, 30. Both the axial sides 24, 26, as well the peripheral sides 28, 30 are angled with respect to each other, wherein the inclination angle of the peripheral sides 28, 30 with respect to each other is greater than the inclination angle of the axial sides 24, 26th

At the two leg regions 16, 18, a turf-like projecting soil cultivation projection 34, 36 is provided in each case in a tilling region 32 not covered by the roller tool 22. In the compaction or crushing operation, these tillage projections 34, 36 come into contact with the substrate to be processed and can crush rocks or boulders.

In the central region of the change holder 14, a holder opening 38 extending in the direction of an opening longitudinal axis L is formed. On the roller tool 22, a holder shaft 40 which can be introduced into this holder opening 40 is provided. Both the holder opening 38, and the holder shaft 40 are formed for example with a circular cross-section.

To lock the roller tool 22 on the change holder 14, an example of a ring-like locking member 42 is the holder shaft 40 surrounding received in a formed on the outer peripheral surface Arretierorganaufnahmeöffnung 44. In the holder opening 38 is a likewise ringnutartig formed Arretierorganaufnahmeöffnung 46 is provided, in which the annular locking member 42 can engage. To release the roller tool 22 from the change holder 14 can be intervened in the change holder 14 with a trained example as a crowbar or the like tool and acted on the free end of the holder shaft 40 to release the locking engagement of the locking member 42 in the Arretierorganaufnahmeöffnung 46.

At the in Fig. 8 recognizable Walzenwerkzeuganlageseite 20 is the holder opening 38 in the removable holder 14 surrounding a for opening longitudinal axis L, for example, substantially orthogonally oriented first support surface 48 is provided. At the abutment areas between a respective peripheral side 28, 30 on the axial sides 24, 26 are provided with respect to the opening longitudinal axis L radially outside of the first support surface 48 adjacent second support surfaces 50. Between two provided in association with the same axial side 24 and 26 second support surfaces 50, a third support surface 52 is provided in each case. Correspondingly, respective fourth support surfaces 54 are provided between two respective lateral circumferential sides 28 and 30, respectively, assigned to second support surfaces 50.

The second support surfaces 50, third support surfaces 52 and fourth support surfaces 54 form a facet-like or prism-like surface formation surrounding the first support surface 48 in a ring-like manner, which generally provides a form-fitting engagement formation 56. For supporting interaction so that has in the Fig. 3 to 7 roller tool 22 shown in detail on its Wechselhalteranlageseite 23 a generally designated 58 counter-form-fitting engagement information. In the four corner regions of the roller tool 22, this comprises respective second counter-support regions 60 which can come into contact with the second support surfaces 50. Between two such second Gegenabstützbereichen 60 is in each case a third Gegenabstützbereich 62, which can occur in supporting interaction with a respective third support surface 52. Accordingly, between two adjacent second Gegenabstützbereichen 60 respectively fourth Gegenabstützbereiche 64, which can occur in supporting interaction with a respective fourth support surface 54. Due to the complementary shaping of the form-fitting engagement formation 56 with the counter-form-fit engagement formation 58, a uniform load distribution is achieved from the roll tool 22 to the change-over holder 14 in the compression or comminution operation. At the same time a certain amount of rotation assurance for the roller tool 22 is provided, since a rotation of the same with respect to the change holder 14 would only be possible if the locking engagement of the locking member 42 in the Arretierorganaufnahmeöffnung 46 of the interchangeable holder 14 repealed and the holder shaft 40 at least partially from the holder opening 38th is pulled out.

It should be noted here that, of course, the form-fitting engagement formation 56 and the counter-form-fitting engagement formation 58 may be formed so that all the above-mentioned support surfaces and Gegenabstützbereiche can come into abutment against each other. In principle, however, could also be provided that z. B. only in the four corners, ie at the second support surfaces 50 and second Gegenabstützbereichen 60 an investment interaction is generated.

Irrespective of the previously described interaction of the form-fitting engagement formation 56 with the counter-form-fitting formation 58 or additionally for a further increased rotational strength of the roll tool 22 with respect to the interchangeable holder 14, the interchangeable holder 14 is located in regions 66, 68 located laterally relative to the holder opening 38 Anti-rotation recesses 70, 72 provided. These radially adjoin the first support surface 48, or may extend into the region of the same, and lie substantially diametrically opposite one another with respect to the holder opening 38 or the opening longitudinal axis L. It can be seen that the two anti-rotation recesses 70, 72 are formed substantially in the region of the third support surfaces 52 and both in the direction of the opening longitudinal axis L in the direction away from the connection region 12, as well as in the direction of the axial sides 24, 26 open.

In association with these two anti-rotation recesses 70, 72, anti-rotation projections 78, 80 are provided on the roller tool 22 in areas 74, 76 located laterally relative to the holder shaft 40. These are relative to the holder shaft 40 substantially diametrically opposite one another and are dimensioned and positioned so that they engage in the anti-rotation recesses 70, 72 when mounted on the change holder 14 roller tool 22. Thus, a stable rotational fixation for the roller tool 22 with respect to the interchangeable holder 14 is generated. For this purpose, it may in particular also be provided that in the direction of rotation, ie essentially in the circumferential direction with respect to the opening longitudinal axis L or a corresponding longitudinal axis of the holder shaft 40, the anti-rotation recesses 70 have side surfaces 82, 84 oriented essentially parallel to the longitudinal axis L and correspondingly the anti-rotation projections 78, 70 with in the direction of the opening longitudinal axis L or in the direction of the longitudinal axis of the holder shaft 40 substantially parallel side surfaces 86, 88 are limited. A rotational loading of a roller tool 42 thus leads to mutual abutment, for example, of the side surfaces 88 on the side surfaces 84, which generate substantially no force component acting in the direction of the opening longitudinal axis L due to their orientation substantially parallel to the opening longitudinal axis L. A rotational load of the roller tool 22 thus does not lead to a forced axial load, which could have a detachment of the locking member 42 from the change holder 14 to the episode.

It should be noted that the above-described anti-rotation recesses 70, 72 or anti-rotation projections 78, 80 could of course be provided with a different shape, with a different number or at different positioning, for example in the circumferential direction about the opening longitudinal axis L. It is of course also possible to provide the anti-rotation recesses on the roller tool 22 and the anti-rotation projections on the changeover holder 14. Also For example, to allow only a further limited number of mounting positions of a roller tool 22 on the change holder 14, an anti-rotation projection and an anti-rotation recess may be provided on the roller tool 22, while complementary to the change holder 14 an anti-rotation recess and an anti-rotation projection could be provided.

It should be further noted that, like the Fig. 8 this shows, the inventive provision of interlocking anti-rotation projections and anti-rotation recesses is particularly important, especially when a roller tool with a non-rotationally symmetrical and thus a certain relative positioning with respect to the interchangeable holder 14 demanding form is formed. This concerns in particular the different in the Fig. 8 illustrated embodiments of stamp feet, the z. B. may be formed with a dull or roof-like configuration or oriented in various directions wedge-like configuration. Nevertheless, at a change holder 14, as shown in the figures, and a roller tool with a substantially rotationally symmetrical configuration, such. As a chisel or round shank chisel be set. This can be introduced with a chisel shank as a holder shank into the holder opening 38 and be supported with its chisel head on the holder opening 38 surrounding the first support surface 48 on the roll tool plant side 20.

Claims (18)

A change holder arrangement for a compactor roller for a soil compactor, comprising a roll holder (14) to be fixed to a roll shell and at least one roll tool (22) to be fixed to the change holder (14) with a counterholder (14) which can be brought into holding engagement with respect to the exchange holder ( 40), wherein the change holder (14) has a roll tool contact side (20) and the at least one roll tool (22) has a roll holder bearing side (20) supportable Wechselhalteranlageseite (23)
characterized in that on at least one side of roll tool plant side (20) and Wechselalteranlageseite (23) at least one rotation locking projection (78, 80) and on the other side of Walzenwerkzeuganlageseite (20) and Wechselalteranlageseite (23) at least one anti-rotation recess (70, 72) Receiving an anti-rotation projection (78, 80) are provided. A changeover holder assembly according to claim 1,
characterized in that the change holder (14) or the counter holder (40) comprises a holder opening (38) and that the counter holder (40) or the change holder (14) comprises a holder shaft (40) insertable into the holder opening (38), wherein an anti-rotation recess (70, 72) and / or an anti-rotation projection is provided at least one region (66, 68) laterally of the holder shank (40) has an anti-rotation projection (78, 80) in at least one region (74, 76) ) and / or an anti-rotation recess is provided. A changeover holder assembly according to claim 2,
characterized in that at least one anti-rotation recess (70, 72) and / or at least one anti-rotation projection (78, 80) is limited by an opening longitudinal axis of the holder opening (38) substantially parallel or parallel positionable side surfaces (82, 84, 86, 88). A changeover holder assembly according to claim 2 or 3,
characterized in that a rotation-securing recess (70) and / or an anti-rotation projection is provided in a first region (66) laterally of the holder opening (38) in a second region (68) opposite the first region (66) ) an anti-rotation recess (72) or / and an anti-rotation projection is provided, and that in a first region (74) laterally of the holder shank (40) an anti-rotation projection (78) and / or an anti-rotation recess is provided and in a first region (74) opposite second area (76) of the side of the holder shaft (40) an anti-rotation projection (80) and / or an anti-rotation recess is provided. A changeover holder assembly according to any one of claims 1 to 4,
characterized in that the change holder (14) has a preferably adapted to the curved outer circumference of the compressor roller connection area (12) for connection to an outer peripheral surface of the compressor roller and for supporting a roller tool (22) formed and to be arranged from the outer peripheral surface of the compressor roller in distance roller tool contact side ( 20), wherein preferably the change holder (14) comprises two substantially in the circumferential direction of a compressor roller to be oriented peripheral sides (28, 30) and two substantially in the direction of a compressor roller axis of rotation to be oriented axial sides (24, 26), wherein further preferably the change holder ( 14) from the connection region (12) to the roll tool contact side (20) is tapered and the peripheral sides (28, 30) are inclined at a larger angle to each other than the axial sides (24, 26). A changeover holder assembly according to claim 5,
characterized in that at least one anti-rotation recess (70, 72) and / or at least one anti-rotation projection (78, 80) in the region of at least one axial side (24, 26) of the change holder (14) is provided. A changeover holder assembly according to claim 5 or 6,
characterized in that between the connection region (12) and the roller tool contact side (20) of the change holder (14) has a mounted on this roller tool (20) with soil to be processed in contact tillage area (32), preferably at least one peripheral side ( 28, 30) is provided in the soil cultivation area (32) at least one soil cultivation projection (34, 36). A changeover holder assembly as claimed in claim 2 and any one of claims 3 to 7, when dependent on claim 2,
characterized in that the holder opening (38) is provided in the changeable holder (14) and that the holder opening (38) is surrounded by a first support surface (48) which is preferably substantially orthogonal relative to an opening longitudinal axis (L) on the roller tool contact side (20) at least one anti-rotation recess or / and at least one anti-rotation projection is provided in the first support surface (48) and / or adjacent to the first support surface (48). A changeover holder assembly according to any one of claims 1 to 8,
characterized in that on the roll tool plant side (20) a Formschlusseingrüfsformation (56) for producing a Formschlusserififs with a Gegen-Formschlusseingsformation (58) on the Wechselhalteranlageseite (23) of the at least one roll tool (22) is provided. A changeover holder assembly according to claim 2 and claim 9,
characterized in that the holder opening (38) is provided in the changeable holder (14) and that a plurality of mutually angled second support surfaces (50) is provided on the roller tool contact side (20) around the holder opening (38), each second support surface (50) in the adjoining region of a peripheral side (28, 30) on an axial side (24, 26) is provided. A changeover holder assembly according to claim 10,
characterized in that at least one axial side (24, 26) between two second support surfaces (50) at least one with respect to this angled third support surface (52) is provided on the roll tool plant side (20) and / or that on the roll tool plant side (20) at least a peripheral side (28, 30) between two second support surfaces (50) is provided at least one with respect to this angled fourth support surface (54). A changeover holder assembly according to claim 10 or 11, when dependent on claim 8,
characterized in that the second support surfaces (50) and / or the third support surfaces (52) and / or the fourth support surfaces (54) with respect to the first support surface (48) are angled and preferably surrounded this like a ring. A changeover holder assembly according to any one of claims 10 to 12,
characterized in that at least one roller tool (22) at least one second Gegenabstützbereich (60) for support on a second support surface (50) and / or at least a third Gegenabstützbereich (62) for support on a third support surface (52) and / or at least one fourth Gegenabstützbereich (64) for support on at least one fourth support surface (54). A changeover holder assembly according to claim 2 or any one of claims 3 to 13, when dependent on claim 2,
characterized in that the counter-holder (40) by means of a locking member (42) on the change holder (14) can be locked. A changeover holder assembly according to claim 14,
characterized in that on a inner circumference of the holder opening (38) is preferably formed a ringnutartig trained first Arretierorganaufnahmeöffnung (46) and / or that on an outer circumference of the holder shank (40) has a preferably ringnutartig formed second Arretierorganaufnahmeöffnung (44), wherein in the first Arretierorganaufnahmeöffnung (46) or the second Arretierorganaufnahmeöffnung (44) for locking a roller tool (22) on the change holder (14) in the respective other Arretierorganaufnahmeöffnung latched, preferably annularly formed locking member (42) is received. A changeover holder assembly according to any one of claims 1 to 15,
characterized in that at least one roller tool comprises a chisel and / or that at least one roller tool (22) comprises a padfoot. Compressor roller for a soil compactor, comprising on an outer circumference at least one changeover holder assembly (10) according to one of the preceding claims. A soil compactor comprising at least one compacting roller according to claim 17.

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