초록 ▼

To avoid having to strip down a radial piston engine (1) into its individual components when it is disassembled, a rotary cylinder (5) has a collar (19) on which the rotary cylinder is supported against the cam disk (2), the cam disk (2) being rotationally fixed in position to a housing portion (13)

To avoid having to strip down a radial piston engine (1) into its individual components when it is disassembled, a rotary cylinder (5) has a collar (19) on which the rotary cylinder is supported against the cam disk (2), the cam disk (2) being rotationally fixed in position to a housing portion (13).

대표청구항 ▼

1. A hydraulic radial piston engine (1) with a rotary cylinder (5) that rotates about a rotational axis (20), the radial piston engine (1) comprising radially arranged pistons (4) which are actively connected with a cam disk (2), and a housing portion (13) in which a hydraulic distributor (10) is ar

1. A hydraulic radial piston engine (1) with a rotary cylinder (5) that rotates about a rotational axis (20), the radial piston engine (1) comprising radially arranged pistons (4) which are actively connected with a cam disk (2), and a housing portion (13) in which a hydraulic distributor (10) is arranged, the housing portion (13) being connected in a positionally fixed manner with the cam disk (2) such that the radial piston engine (1) is connected to a further housing portion (12) to produce a structural unit, wherein, when the radial piston engine (1) is separated from the further housing portion (12), a spring force biases the rotary cylinder (5) in a direction along the rotation axis (20), from a first position to a second position,the rotary cylinder (5), in the second position, either directly or indirectly engages with the cam disk (2) so as to prevent further axial movement of the rotary cylinder (5), and when the rotary cylinder (5) is in the first position, the rotary cylinder (5) counteracts the spring force so that the rotary cylinder (5) moves axially away from engagement with the cam disk (2),the radial piston engine (1), when in the first position, is connected to the further housing portion (12) not supported on the cam disk, andthe cam disk (2) is located adjacent to both the housing portion (13) and the further housing portion (12) and spaces and separates the housing portion (13) from the further housing portion (12). 2. The hydraulic radial piston engine (1) according to claim 1, wherein the rotary cylinder (5) has a groove in which a disk (18) is arranged, and the groove has a diameter such that the disk (18) is brought into at least partial contact against the cam disk (2). 3. The hydraulic radial piston engine (1) according to claim 1, wherein the distributor (10) is supported along the rotational axis (20), against the rotary cylinder (5), by a plurality of springs (21) arranged and located between between the housing portion (13) and the distributor (10). 4. The hydraulic radial piston engine (1) according to claim 1, wherein the rotary cylinder (5) is supported on a bearing (11) which, when the radial piston engine (1) is connected to the further housing portion (12), is supported on the further housing portion (12), and at least an inner ring (15) of the bearing (11) is positionally fixed, at least in the direction along the rotation axis (20), by a drive shaft (6), and the drive shaft (6) is supported, in the direction along the rotation axis (20), either indirectly or directly on the rotary cylinder (5). 5. The hydraulic radial piston engine (1) according to claim 1, wherein the rotary cylinder (5) is supported on a bearing (11) which, when the radial piston engine (1) is connected to the further housing portion (12), is supported on the further housing portion (12), and an inner ring (15) of the bearing (11) is held positionally fixed by a drive shaft (6) against the rotary cylinder (5), at least in the direction along the rotation axis (20), and the drive shaft (6) is supported, in the direction along the rotation axis (20), either indirectly or directly on the housing portion (13) with which the hydraulic distributor (10) is associated. 6. The hydraulic radial piston engine (1) according to claim 5, wherein the housing portion (13) has an opening positioned coaxially with the rotation axis (20) on which a bolt (23), connected to the driveshaft (6), is supported whereby the driveshaft (6), the bearing (11) and the rotary cylinder (5) are held in the housing portion (13). 7. The hydraulic radial piston engine (1) according to claim 6, wherein the bolt (23) is removable when the radial piston engine (1) is connected to the further housing portion (12). 8. The hydraulic radial piston engine (1) according to claim 6, wherein the drive shaft (6) drives a sun gear (7), of a planetary transmission, whose drive output is formed by a ring gear (9) which drives a concrete mixer drum. 9. The hydraulic radial piston engine (1) according to claim 1, wherein first connecting elements rotationally and fixedly connect the housing portion (13) to the cam disk (2), without connecting the housing portion (13) to the further housing portion (12). 10. The hydraulic radial piston engine (1) according to claim 9, wherein second connecting elements pass through the cam disk (2) to rotationally and fixedly connect the housing portion (13) to the further housing portion (12). 11. The hydraulic radial piston engine (1) according to claim 1, wherein the cam disk (2) forms an exterior surface of the hydraulic radial piston engine (1). 12. A hydraulic radial piston engine (1) with a rotary cylinder (5) that rotates about a rotational axis (20), the radial piston engine (1) comprising radially arranged pistons (4) which are in active connection with a cam disk (2), and a housing portion (13) in which a hydraulic distributor (10) is arranged, the housing portion (13) having a positionally fixed connection with the cam disk (2) such that the radial piston engine (1) is connected to a further housing portion (12) to produce a structural unit, wherein, when the radial piston engine (1) is in a separated condition in which the radial piston engine is separated from the further housing portion (12), a spring force biases the rotary cylinder (5), either indirectly or directly, in a direction along the rotation axis (20) on the housing portion (13) into engagement with the cam disk (2) so that the rotary cylinder (5) is retained with the housing portion (13) and when the rotary cylinder (5) is in the first position, the rotary cylinder (5) counteracts the spring force so that the rotary cylinder (5) moves axially away from engagement with the cam disk (2), and the cam disk (2) is located adjacent to both the housing portion (13) and the further housing portion (12) and spaces and separates the housing portion (13) from the further housing portion (12). 13. A hydraulic radial piston engine (1) with a rotary cylinder (5) that rotates about a rotational axis (20), the radial piston engine (1) comprising radially arranged pistons (4) which are actively connected with a cam disk (2), and a housing portion (13) in which a h draulic distributor (10) is arranged, the housing portion (13) being connected in a positionally fixed manner with the cam disk (2) such that the radial piston engine (1) is connected to a further housing portion (12) to produce a structural unit, wherein, when the radial piston engine (1) is separated from the further housing portion (12), a spring force biases the rotary cylinder (5) in a direction along the rotation axis (20), from a first position to a second position,the rotary cylinder (5), in the second position, either directly or indirectly engages with the cam disk (2) so as to prevent further axial movement of the rotary cylinder (5), and when the rotary cylinder (5) is in the first position, the rotary cylinder (5) counteracts the spring force so that the rotary cylinder (5) moves axially away from engagement with the cam disk (2),the radial piston engine (1), when in the first position, is connected to the further housing portion (12) not supported on the cam disk, anda bearing (11) and the rotary cylinder (5) are supported by a drive shaft (6), and a collar (14) and a retaining ring (16) prevent axial movement of the bearing (11) and the rotary cylinder (5) along the drive shaft (6) and thereby facilitate removal of the bearing (11), the drive shaft (6) and the rotary cylinder (5) as the structural unit.