Apparatus For Processing Ground Surfaces

Abstract

An apparatus for processing ground surfaces comprises a moving device, a working device, especially a milling device for milling the ground surface, and a drive device for driving the moving device and the working device, wherein the working device is movable between a working position, in which it is in operative engagement with the ground surface, and a maneuvering position, in which it is not in operative engagement with the ground surface, wherein a sensor device is provided which detects the maneuvering position and/or at least one working parameter of the working device, namely its power consumption, working speed, rotational speed or its inclination, and/or at least one load parameter of the moving device, and a control device which reduces the frictional connection between the drive device and the working device and/or the drive power transmitted by the drive device to the working device in the maneuvering position and/or in case of the detection of a deviation of the at least one detected working parameter or load parameter from a set parameter value.

1 . An apparatus for processing ground surfaces, comprising:
 a moving device;   a working device; and   a drive device for driving the moving device and the working device, wherein the working device is movable between a working position, in which it is in operative engagement with the ground surface, and a maneuvering position, in which it is not in operative engagement with the ground surface;   a sensor device which detects the maneuvering position and/or at least one working parameter of the working device and/or at least one load parameter of the moving device; and   a control device which reduces a frictional connection between the drive device and the working device and/or a drive power transmitted by the drive device to the working device in the maneuvering position and/or in case of detection of a deviation of the at least one detected working parameter or load parameter from a set parameter value.   
     
     
         2 . An apparatus according to  claim 1 , wherein the working device ( 4 ) is in operative connection with the drive device ( 6 ) via a coupling device ( 16 ;  19 ), wherein the frictional connection and/or a coupling slip of the coupling device ( 16 ) is controllable by the control device ( 14 ). 
     
     
         3 . An apparatus according to  claim 2 , wherein the frictional connection and/or the coupling slip of the coupling device is adjustable in such a way that essentially no coupling slip results in the maneuvering position and that coupling slip results in the working position. 
     
     
         4 . An apparatus according to  claim 1 , wherein the sensor device comprises at least one load sensor which is in operative connection with the moving device in order to detect load parameters acting on the moving device comprising at least one of weight loads and/or acceleration loads and/or changes in the latter. 
     
     
         5 . An apparatus according to  claim 1 , wherein the sensor device comprises at least one inclination sensor for detecting an inclination and/or a change in the inclination of the apparatus. 
     
     
         6 . An apparatus according to  claim 1 , wherein the sensor device comprises at least one workload sensor for detecting a power consumption and/or a working speed and/or a rotational speed of the working device and/or changes in the latter. 
     
     
         7 . An apparatus according to  claim 6 , wherein the workload sensor is in operative connection with a coupling device for detecting drive power acting on the coupling device and/or drive speed and/or coupling slip and/or changes in the latter. 
     
     
         8 . An apparatus according to  claim 1 , wherein the drive device comprises an auxiliary drive device and a main drive device, wherein the working device is in operative connection with the auxiliary drive device in maneuvering operation and with the main drive device in working operation, and wherein the auxiliary drive device provides a lower working power than the main drive device. 
     
     
         9 . An apparatus according to  claim 8 , wherein the auxiliary drive device is configured to synchronize a working speed of the working device with a drive speed of the main drive device in the maneuvering position. 
     
     
         10 . An apparatus according to  claim 2 , wherein the coupling device comprises a belt drive having a belt tension which is adjustable for controlling the frictional connection and/or the coupling slip by means of the control device. 
     
     
         11 . An apparatus according to  claim 1 , wherein the working device comprises a milling device for milling the ground surface. 
     
     
         12 . An apparatus according to  claim 1 , wherein the at least one working parameter of the working device comprises at least one of a power consumption, working speed rotational speed and/or inclination of the working device. 
     
     
         13 . An apparatus according to  claim 9 , wherein the working speed of working device comprises a rotational speed of the working device. 
     
     
         14 . An apparatus according to  claim 10 , wherein the belt drive comprises a belt tightener.