Construction Machine for Conveying Thick Material

Abstract

A construction machine for conveying thick material has: an electrical energy storage device, an electrical drive device that is electrically connected to the electrical energy storage device, a thick material pump unit and a base frame that has at least three support points spaced apart from one another transversely to a direction of gravity and at which the construction machine is supported relative to a base. In a plan view of the construction machine, a support surface of the construction machine extends between the support points, wherein the electrical energy storage device, the electrical drive device, the thick material pump unit and the base frame are arranged relative to one another in such a way that an overall center of gravity of the construction machine is arranged within the support surface in the plan view of the construction machine and along a longitudinal direction of the construction machine at a distance from a geometric center of gravity of the support surface.

1 - 14 . (canceled) 
     
     
         15 . A construction machine for conveying thick matter, comprising:
 an electrical energy store that stores electrical energy;   an electrical drive, which is electrically connected to the electrical energy store in order to be supplied with electrical energy;   a thick matter pump unit designed to convey the thick matter; and   a main frame, wherein the main frame:
 (i) supports the electrical energy store, the electrical drive and the thick matter pump unit, 
 (ii) extends longitudinally from a first construction machine end to a second construction machine end along a construction machine longitudinal direction and extends transversely between a first and a second construction machine side along a construction machine transverse direction, wherein the construction machine longitudinal direction and the construction machine transverse direction are oriented perpendicularly to each other and perpendicularly to a direction of gravity, and 
 (iii) has at least three support points which are spaced apart from each other transversely to the direction of gravity and at which the construction machine is supported relative to an underlying surface, wherein a support area of the construction machine extends between the at least three support points in a top view of the construction machine, 
   wherein the electrical energy store, the electrical drive, the thick matter pump unit and the main frame are arranged relative to each other such that an overall center of mass of the construction machine is arranged within the support area in the top view of the construction machine and at a distance from a geometric center of gravity of the support area along the construction machine longitudinal direction.   
     
     
         16 . The construction machine as claimed in  claim 15 , further comprising:
 a hydraulic pump, which is driven via the electrical drive and which feeds a hydraulic circuit,   wherein the thick matter pump unit is fed from the hydraulic circuit in order to be driven.   
     
     
         17 . The construction machine as claimed in  claim 15 , wherein
 the overall center of mass is arranged substantially on a construction machine central longitudinal axis, which runs along the construction machine longitudinal direction, in the top view.   
     
     
         18 . The construction machine as claimed in  claim 15 , wherein
 the construction machine is in the form of a vehicle trailer,   the main frame forms a chassis of the vehicle trailer or is fastened to a chassis of the vehicle trailer, and   at least one wheel axle with at least two wheels situated opposite each other along the construction machine transverse direction is arranged on the chassis, and the chassis has, at the front side of the first construction machine end, a towing device for coupling to a towing vehicle,   wherein a respective one of the at least three support points is arranged on the towing device and on each of the wheels.   
     
     
         19 . The construction machine as claimed in  claim 18 , wherein
 the towing device and a central axis associated with the at least one wheel axle are arranged at a distance from each other along the construction machine longitudinal direction,   the overall center of mass divides the distance between the towing device and the central axis into a first section closer to the towing device and a second section closer to the central axis in the top view of the construction machine, and   a ratio of the first section to the second section is 4 to 75.   
     
     
         20 . The construction machine as claimed in  claim 19 , wherein the ratio is 5.6 to 66. 
     
     
         21 . The construction machine as claimed in  claim 15 , further comprising:
 a supporting frame, wherein the electrical energy store is arranged on the supporting frame and the supporting frame is attached to the main frame.   
     
     
         22 . The construction machine as claimed in  claim 21 , wherein
 the electrical energy store is arranged at least partially above the main frame counter to the direction of gravity.   
     
     
         23 . The construction machine as claimed in  claim 21 , further comprising:
 an intermediate frame, wherein at least one electrical storage module of the electrical energy store is arranged on the intermediate frame so that the electrical energy store is attached to the supporting frame via the intermediate frame,   wherein the intermediate frame and the supporting frame are connected to each other fixedly or, for at least partial mutual mechanical decoupling, flexibly at at least three connecting points.   
     
     
         24 . The construction machine as claimed in  claim 15 , wherein
 the electrical drive device is arranged centrally or eccentrically between the two construction machine sides along the construction machine transverse direction.   
     
     
         25 . The construction machine as claimed in  claim 15 , further comprising:
 an electrical auxiliary drive device which is electrically connected to the electrical energy store for driving auxiliary assemblies of the construction machine.   
     
     
         26 . The construction machine as claimed in  claim 25 , wherein
 the electrical drive device and the electrical auxiliary drive device are arranged at substantially the same distance from the first construction machine end along the construction machine longitudinal direction and opposite each other eccentrically between the two construction machine sides along the construction machine transverse direction, in a top view of the construction machine.   
     
     
         27 . The construction machine as claimed in  claim 26 , wherein
 the electrical drive device and the electrical auxiliary drive device are arranged symmetrically with respect to the construction machine central longitudinal axis, in a top view of the construction machine.   
     
     
         28 . The construction machine as claimed in  claim 15 , wherein
 the electrical drive device and an electrical auxiliary drive device of the construction machine are arranged at a distance from each other along the construction machine longitudinal direction.   
     
     
         29 . The construction machine as claimed in  claim 28 , wherein
 an electrical converter is arranged on the electrical drive device and/or on the electrical auxiliary drive device, the electrical drive device and/or the electrical auxiliary drive device being electrically connected to the electrical energy store via the electrical converter.   
     
     
         30 . The construction machine as claimed in  claim 15 , wherein
 the thick matter pump unit has a water tank for supplying conveying cylinders of the thick matter pump unit with cooling and/or flushing water, and   the water tank is arranged between conveying cylinders of the thick matter pump unit and the electrical energy store, along the construction machine longitudinal direction.   
     
     
         31 . The construction machine as claimed in  claim 30 , wherein
 the water tank is arranged between the electrical drive device and the electrical energy store, along the construction machine longitudinal direction.   
     
     
         32 . The construction machine as claimed in  claim 30 , wherein
 the water tank is closed via a removable cover of the thick matter pump unit,   wherein the construction machine has a clearance for removing the cover, the clearance being arranged above the water tank counter to the direction of gravity.