Cable Transport Device

Abstract

A cable transport device having a pivotably mounted cable transporter, a first drive means connected in a stationary manner to a base frame and intended for achieving an exactly defined pivot movement of the cable transporter around a pivot axis and a second drive means for synchronous driving of at least two cooperating pressure rollers. The second drive means with a drive axle for the pressure rollers is connected in a stationary manner to the base frame, and the drive axle of the second drive means coincides with the pivot axis for the cable transporter. The transmission of the pivot movement is effected via a toothed belt which is tensioned symmetrically to the center of rotation of the pivot axis between a first intermediate shaft arranged on a base plate of the cable transporter and a second intermediate shaft fixed to the machine frame, the pitch axis of the cable transporter being identical to the axis of the first intermediate shaft.

1 . A cable transport device having
 a pivotably mounted cable transporter for a cable to be drawn in and to be transported,   a first drive means connected in a stationary manner to a base frame and operable to achieve an exactly defined pivot movement of the cable transporter around a pivot axis and   a second drive means for synchronously driving at least two cooperating pressure rollers whose axes rotation are parallel to one another and parallel to the common pivot axis, at least one drive roller being arranged so as to be laterally adjustable, wherein the second drive means with a drive axle for the pressure rollers of the cable transporter is connected in a stationary manner to the base frame and the drive axle of the second drive means coincides with the pivot axis for the cable transporter.   
     
     
         2 . A cable transport device having
 a pivotably mounted cable transporter for a cable to be drawn in and to be transported,   a first drive means connected in a stationary manner to a base frame and operable to achieve an exactly defined pivot movement of the cable transporter around a pivot axis and   a second drive means for synchronously driving at least two cooperating pressure rollers with axes of rotation, at least one pressure roller being arranged so as to be laterally displaceable, wherein the second drive means having a drive axle for the pressure rollers of the cable transporter is connected in a stationary manner to the base frame, the axes of rotation are parallel to one another and parallel to a common pitch axis and transmission of the pivot movement takes place via a toothed belt which is tensioned symmetrically to the centre of rotation of the pivot axis of the first drive means between a first intermediate shaft arranged on a base plate of the cable transporter and a second intermediate shaft fixed to the machine frame, the pitch axis of the cable transporter being identical to the axis of the first intermediate shaft.   
     
     
         3 . The cable transport device according to  claim 1 , wherein at least two pressure rollers are rotatably mounted on the base plate of the cable transporter on one axis of rotation each and in that at least two pressure rollers are likewise rotatably mounted on an adjustable plate on one axis of rotation each, the respective axes of rotation of the pressure rollers being arranged opposite one another, and wherein, between two pressure rollers, a measuring wheel for measuring the required cable length rests directly against the transported cable and, between two pressure rollers, a counter-wheel rests directly against the transported cable, or vice versa. 
     
     
         4 . The cable transport device according to  claim 1 , wherein belt sprockets which have a drive connection via a double-sided toothed belt to a second drive belt sprocket arranged on the drive axle of the second drive means are arranged on the axes of rotation of the pressure rollers on an underside of the cable transporter, the toothed belt transmitting the rotation of the drive belt sprocket to the pressure rollers arranged on the adjustable plate and wherein the toothed belt is clamped diagonally between the belt sprockets of the pressure rollers and the belt sprockets of the pressure rollers, resulting in counter clockwise movement of the pressure rollers and clockwise movement of the pressure rollers. 
     
     
         5 . The cable transport device according to  claim 3 , wherein the adjustable plate moves away from the base plate of the cable transporter for the purpose of inserting the cable to be transported and, after insertion of the cable between the pressure rollers, the adjustable plate moves by means of compressed air or by means of the pressure of a mechanical energy accumulator to a position in which the pressure rollers and the measuring wheel and the counter-wheel press with a defined force onto the cable to be transported and that the base plate of the cable transporter together with the adjustable plate on the drive axle and/or on the pitch axis are mounted so as to be pivotable together. 
     
     
         6 . The cable transport device according to  claim 1 , wherein a pressure mechanism controls the pressure on the cable to be transported, by the pressure rollers mounted in a fixed manner on the adjustable plate relative to the pressure rollers mounted on the base plate of the cable transporter. 
     
     
         7 . The cable transport device according to  claim 6 , wherein the pressure mechanism consists of a pneumatic cylinder with recuperating spring or a pressure spring which is connected via a displaceably guided connecting part to an eccentric lever, the lever geometry being chosen so that the pressure likewise decreases with decreasing distance between the pressure rollers. 
     
     
         8 . The cable transport device according to  claim 4 , wherein, for avoiding forward and backward transport of the cable during the pivot movement, the second drive belt sprocket, which is responsible for the rotation of the pressure rollers of the cable transporter, concomitantly rotates in the same direction with a first drive belt sprocket of the first drive means via a control. 
     
     
         9 . The cable transport device according to  claim 1 , wherein the pressure rollers comprise belt sprockets, two pressure rollers forming a first pressure roller pair and two pressure rollers forming a second pressure roller pair, and a first toothed belt being tensioned over the first pressure roller pair and a second toothed belt being tensioned over the second pressure roller pair, and the cable being clamped and guided between the first and the second toothed belts and the transport of the cable being effected by means of frictional contact. 
     
     
         10 . The cable transport device according to  claim 1 , wherein the cable transport device comprises a guide sleeve for the cable, and the guide sleeve is composed of a grooved plate and a cover plate and these plates are replaceable for adaptation to different cable diameters and for correction of the position of the cable and are equipped for this purpose with different groove geometries. 
     
     
         11 . The cable transport device according to  claim 10 , wherein the cover plate and/or the grooved plate have openings which permit a cable inscriber access to the cables. 
     
     
         12 . The cable transport device according to  claim 3 , wherein the cable transport device comprises a guide sleeve for the cable, the guide sleeve being formed from two channel elements, a first channel element being fixed to the base plate of the cable transporter and a second channel element being fixed to the adjustable plate, a guide channel which is adapted to the respective cable in width being formed by the distance between base plate and adjustable plate, which distance is determined by the cable. 
     
     
         13 . The cable transport device according to  claim 3 , wherein the cable transport device comprises a guide sleeve for the cable, the guide sleeve being formed from two channel elements, a first channel element being fixed to the adjustable plate and a second channel element being fixed to the base plate of the cable transporter, a guide channel which is adapted to the respective cable in width being formed by the distance between base plate and adjustable plate, which distance is determined by the cable. 
     
     
         14 . The cable transport device according to  claim 12 , wherein the adjustable plate and the base plate of the cable transporter are movable relative to one another such that both can also be moved onto the cable. 
     
     
         15 . The cable transport device according to  claim 1 , wherein the base plate of the cable transporter is connected to the pivot axis via a rotary bearing of a pitch axis, the pitch axis intersecting the pivot axis. 
     
     
         16 . The cable transport device according to  claim 15 , wherein a semicircular pivot plate is mounted horizontally around the pivot axis, the semicircular pivot plate being connected via the rotary bearing of the pitch axis to the base plate of the cable transporter. 
     
     
         17 . The cable transport device according to  claim 1 , wherein a semicircular pivot plate is mounted horizontally around the pivot axis, the semicircular pivot plate being connected via a rotary bearing of a pitch axis to the base plate of the cable transporter, and wherein in each case one end of a toothed belt is held on two outsides of the semicircular pivot plate by clamping in a stationary manner, the toothed belt being led directly from its first end via a deflection belt sprocket and a drive belt sprocket mounted on a first drive axle of the drive means, via the outer surface of the semicircular pivot plate, to the second end of the clamping of the toothed belt. 
     
     
         18 . The cable transport device according to  claim 17 , wherein the pitch axis intersects the pivot axis.