Apparatus for soil compaction, especially hand-operated, comprising an electric drive, and a method for operating such an apparatus

Abstract

The invention relates to an apparatus for soil compaction, especially a vibration tamper and a vibrating plate, comprising a compaction device which is driven via an electric motor, a rechargeable storage unit for electrical power, and an especially vibration-damped guide device. The invention further relates to an apparatus and a method for compaction control, especially for electromotively driven compaction apparatuses.

1 . An apparatus for soil compaction, comprising:
 a compaction device driven via an electric motor,   a rechargeable storage unit for electrical power, and   a vibration-damped guide device, wherein the storage unit is mounted on the guide device.   
     
     
         2 . An apparatus for soil compaction according to  claim 1 , wherein the guide device is a guide bar, and that the storage unit is arranged between two support tubes of the guide bar. 
     
     
         3 . An apparatus for soil compaction according to  claim 1 , wherein the guide device is mounted on a compaction unit of the apparatus for soil compaction via at least two bearings, and that the storage unit is arranged adjacent to the at least two bearings. 
     
     
         4 . An apparatus for soil compaction according to  claim 1 , wherein the storage unit is, in vertical direction, arranged above the compaction unit. 
     
     
         5 . An apparatus for soil compaction according to  claim 1 , wherein the storage unit is arranged in a front third of the guide device. 
     
     
         6 . An apparatus for soil compaction according to  claim 1 , wherein the storage unit is arranged in a section of the guide device which is located opposite to a handle section of the guide device. 
     
     
         7 . An apparatus for soil compaction according to  claim 1 , wherein an overall balance point of the guide device with the storage unit, relative to a work direction, is arranged in a front third of the guide device. 
     
     
         8 . An apparatus for soil compaction according to  claim 1 , wherein the storage unit comprises at least two storage element components which are arranged separately, relative to the work direction, in front of and behind a swivelling section of the guide device. 
     
     
         9 . An apparatus for soil compaction according to  claim 1 , wherein an exchange receiver is provided for the rapid installation and deinstallation of the storage unit on the guide device. 
     
     
         10 . An apparatus for soil compaction with a compaction device according to  claim 1 , that can be driven via an electric motor, wherein a rechargeable storage unit for electrical power which is connected with the electric motor via a cable is provided for the supply of the electric motor with electrical power, which rechargeable storage unit is carried along in operation independently of the apparatus by an operator. 
     
     
         11 . An apparatus for soil compaction according to  claim 10 , wherein the storage unit is arranged for transport by an operator and comprises carrying means having one or several shoulder straps. 
     
     
         12 . An apparatus for soil compaction according to  claim 1 , wherein a device for an additional connection of the storage unit to a power cable is provided. 
     
     
         13 . An apparatus for soil compaction with a compaction device, a drive comprising an electric motor, and a cable connection which is arranged for connection with a cable connected with a power source, wherein the cable connection is arranged in a manner that it will automatically detach from the cable after the cable exceeds a fixed tensile load. 
     
     
         14 . An apparatus for soil compaction with a drive comprising an electric motor and a compaction device, wherein a device for compaction control is provided which comprises means for determining operating power values of the electric motor and which uses the determined values for determining the compaction of the ground. 
     
     
         15 . An apparatus for soil compaction according to  claim 14 , wherein a display device is provided, which informs an operator about a current degree of compaction. 
     
     
         16 . A method for compaction control for an apparatus for soil compaction according to  claim 1 , comprising the following steps:
 determining the performance of an electric motor, and   deriving the degree of compaction from the performance of the electric motor.   
     
     
         17 . An apparatus for soil compaction according to  claim 3 , wherein the guide device is mounted on a frame of the compaction unit. 
     
     
         18 . An apparatus for soil compaction according to  claim 7 , wherein the overall balancing point of the guide device with the storage unit is arranged in front of a swiveling section of the guide device.