MOBILE DEVICE FOR PREPARATION AND DELIVERY OF BUILDING MIXTURES Russian patent published in 2004 - IPC

FIELD: preparation and delivery of building mixtures.

SUBSTANCE: the invention is pertinent to the devices for preparation of concrete mixtures directly on the building yard and their delivery to a place of consumption. The technical result: creation of a design convenient in operation, simplification of the design, provision of preparation of a concrete mixture directly on a building yard without additional expenditures on its transportation at large distances and delivery of the mixtures directly to the places of their use, i.e. onto necessary height. The mobile device for preparation and delivery of the building mixtures contains: a chassis, on which there are mounted on a frame a blending hopper with an unloading window and a gate; a distributing hopper and a concrete pipe. At that the blending hopper is made in the form of a vertical cylinder open from above and contains the driven blades located inside it. The lower blade is located in a zone of the bottom with the located there unloading window with the gate. The distributing hopper abuts to the bottom in the zone of the unloading window. The distributing hopper is made in the form of a truncated rectangular pyramid with its smaller base facing downward. The smaller base of the pyramid has a longitudinal slot with a located in it driven screw distributor encased in the adjoining to the distributing hopper cylindrical body, to one of the butts of which is hermetically linked a body with a screw-type supercharger linked with the screw distributor, and the loose butt of the body is made conical and supplied with a branch-pipe connected to the concrete pipe. At that the diameter of the screw-type distributor is at least twice wider than the width of the slot of the base of the distributing hopper and the internal diameter of the cylindrical body of the screw distributor is equal to the internal diameter of the body of the screw-type supercharger. At that the number of teeth of the screw-type supercharger is less by one than the number of teeth of its body.

EFFECT: development of a cost-saving design simplified, convenient in operation, providing a concrete mixtures preparation on a building yard and delivery directly to the places of their use.

2 dwg