Apparatus for output of a fluid process material

A truck-mounted concrete pump for the output of a fluid process material comprising:

• a distributor boom having an articulated boom which includes a plurality of boom arms connected to each other at joints, the distributor boom further having a process material delivery line having a plurality of pipe segments which are connected to each other by pipe bends and rotating couplings, the process material delivery line extending along the individual boom arms and being supported thereon;
• a process material conveyor pump which feeds the process material from a material feed vessel into the process material delivery line, the process material delivery line delivering the process material to a tool, the tool being supported on the distributor boom and having a device for the output of the process material;
• and
• wherein the tool has a buffer vessel which receives the process material from the process material delivery line in a receiving volume of the buffer vessel and a conveying apparatus for the feed of the process material from the buffer vessel wherein the buffer vessel receives the process material from the process material delivery line in a pulsed manner and the conveying apparatus providing a continuous feed of the process material from the buffer vessel to an output element whereby the buffer vessel buffers the supply of the process material from the process material delivery line;
• the output element outputs the process material from the buffer vessel at an output location;
• wherein the conveying apparatus has a casing with a cavity which is in communication with the receiving volume of the buffer vessel through an opening in a bottom portion of the buffer vessel and communicates with the output element, and at least one screw conveyor for the continuous feed of the process material to the output element is arranged in the cavity;
• and
• wherein the tool is rotatably mounted at a rotating joint on the distributor boom and has a holding arm which is connected to the rotating joint and supports the output element, and wherein a hydraulic drive moves the output element on the holding arm about a horizontal axis of rotation, the holding arm directly connected to the conveying apparatus, the hydraulic drive having a hydraulic cylinder and being connected to a distal one of the plurality of boom arms, the hydraulic drive configured to rotate the holding arm relative to the boom arm with a deflection lever arrangement connected to the holding arm, wherein a link arrangement is rotatably mounted on the distal one of the plurality of boom arms with a rotating joint defining a first horizontal axis and the deflection lever arrangement is rotatably coupled with the link arrangement thereby defining a further horizontal axis of rotation and wherein the deflection lever arrangement transmits torque from the hydraulic drive about the first horizontal axis of rotation to the holding arm;
• and
• further comprising a control system having a position sensor which detects a position of the output element and a controller which controls a position of the tool for the output of the process material by moving the tool about the tool axis of rotation.