Switch valve block for a hydraulically actuatable working machine

1. A switching valve block for a hydraulically actuatable work machine comprising:

a plurality of valve block inputs for a respective connection to a pressure output of one or more hydraulic fluid pumps;

a plurality of valve block outputs for outputting a pressurized hydraulic fluid; and

at least one valve arranged between valve block inputs and valve block outputs and adapted to selectively produce a fluid connection between a first valve block input and a first valve block output or between a first valve block input and a second valve block output, wherein

a first valve block output has a fixed fluid connection to a second valve block input, and

a second valve block output has a fixed fluid connection to a third valve block input.

2. A switching valve block in accordance with claim 1 , wherein the at least one valve is a switching valve that exclusively connects one valve block input to either the first valve block output or the second valve block output.

3. A switching valve block in accordance with claim 1 , wherein the at least one valve is adapted to be connected at any time during a switching procedure to one or both of the valve block outputs to be switched over to avoid pressure peaks during the switching over of the hydraulic fluid.

4. A switching valve block in accordance with claim 1 , wherein every valve block output has a fixed fluid connection to a respective valve block input, and at least one additional fluid connection is connectable to a valve block input via the at least one valve, in dependence on its switching position.

5. A switching valve block in accordance with claim 4 , wherein every valve block output has a fixed fluid connection exclusively connected to a respective valve block input.

6. A hydraulic system having a valve switching block in accordance with claim 1 , further comprising:

a plurality of pressure sources of which each one is connected to a respective valve block input; and

a plurality of hydraulic consumers of which each one is connected to a respective valve block output.

7. A hydraulic system in accordance with claim 6 , wherein the plurality of pressure sources are a plurality of hydraulic fluid pumps that are independent of one another and/or a plurality of pressure outputs of one or more hydraulic fluid pumps.

8. A hydraulic system in accordance with claim 6 , further comprising a control unit for switching the at least one valve and/or the hydraulic fluid delivery rate of the plurality of pressure outputs.

9. A hydraulic system in accordance with claim 8 , wherein the control unit is adapted to set the switching position of the at least one valve and/or the hydraulic fluid delivery rate of the plurality of pressure outputs in dependence on an operator input for actuating one of the plurality of hydraulic consumers.

10. A hydraulic system in accordance with claim 6 , wherein said plurality of pressure sources are separately controllable.

11. A work machine having a switching valve block in accordance with claim 1 .

12. A work machine in accordance with claim 11 , adapted to actuate each of the at least two hydraulic consumers, and the steering by hydraulic fluid that flows through a respective valve block output.

13. A work machine in accordance with claim 11 , wherein the fluid current present at the valve block output corresponds to the sum of the individual volume flows of the plurality of valve block inputs that have a fluid connection to the valve block output.

14. A work machine in accordance with claim 11 , further comprising an engine for driving the one or the plurality of hydraulic fluid pumps.

15. A work machine in accordance with claim 14 , wherein a transfer case is provided between the engine and the one or the plurality of hydraulic fluid pumps.

16. A work machine in accordance with claim 11 , further having two pumps in a tandem arrangement that respectively has four pressure outputs.

17. A work machine in accordance with claim 16 , wherein the four pressure outputs are separately controllable from one another.

18. A switching valve block in accordance with claim 1 , wherein the fixed fluid connection is exclusively connected to the second valve block input.

19. A hydraulic system having a switching valve block for a hydraulically actuatable work machine comprising:

a plurality of valve block inputs for a respective connection to a pressure output of one or more hydraulic fluid pumps;

a plurality of valve block outputs for outputting a pressurized hydraulic fluid;

at least one valve arranged between valve block inputs and valve block outputs and adapted to selectively produce a fluid connection between a first valve block input and a first valve block output or between a first valve block input and a second valve block output;

a plurality of pressure sources of which each one is connected to a respective valve block input; and

a plurality of hydraulic consumers of which each one is connected to a respective valve block output, wherein

a first valve block output has a fixed fluid connection to a second valve block input, and

hydraulic consumers comprise a steering cylinder for steering a work machine, a tilt cylinder for tilting a work machine part, and/or a lifting cylinder for lifting a work machine part.

20. A hydraulic system in accordance with claim 19 , comprising at least one further control circuit for a hydraulic consumer that fluidically starts at a control circuit for the steering cylinder or for the tilt cylinder.