Belt-tensioning device

A belt tensioning device for tensioning at least one revolving drive belt about a belt pulley of a drive, the at least one revolving drive belt having a load strand and an empty strand, the belt tensioning device comprising:

• a first tensioning part including a first holder;
• a second tensioning part including a second holder;
• a first tension roller mounted on the first holder;
• a second tension roller mounted on the second holder, the first and second tension rollers being configured to each engage a respective one of the strands of the at least one revolving drive belt;
• one of the first and second tensioning parts including two opposite edges defined on its respective holder;
• and
• a guide element connected to the other of the first and second tensioning parts, the guide element including two sliding guides angled off from the guide element and overlapping the two opposite edges, so that the two sliding guides and the two opposite edges form a linear guide between the first and second tensioning parts so that the first and second tensioning parts are mutually adjustable in a direction of tensioning between an opening position and a tensioning position;
• wherein:
• the first tensioning part includes two of the first holders located on opposite sides of the first tension roller;
• the second tensioning part includes two of the second holders located on opposite sides of the second tension roller;
• and
• the belt tensioning device further includes:
• a first tensioning piece connecting the first holder and second holder on one side of the first and second tension rollers;
• a second tensioning piece connecting the first holder and second holder on the opposite side of the first and second tension rollers from the first tensioning piece;
• a first fixing element configured to hold the first and second tensioning parts in place relative to the first tensioning piece;
• and
• a second fixing element configured to hold the first and second tensioning parts in place relative to the second tension piece.

A belt tensioning device for tensioning at least one revolving drive belt about a belt pulley of a drive, the at least one revolving drive belt having a load strand and an empty strand, the belt tensioning device comprising:

• a first tensioning part including a first holder;
• a second tensioning part including a second holder;
• a first tension roller mounted on the first holder;
• a second tension roller mounted on the second holder, the first and second tension rollers being configured to each engage a respective one of the strands of the at least one revolving drive belt;
• one of the first and second tensioning parts including two opposite edges defined on its respective holder;
• and
• a guide element connected to the other of the first and second tensioning parts, the guide element including two sliding guides angled off from the guide element and overlapping the two opposite edges, so that the two sliding guides and the two opposite edges form a linear guide between the first and second tensioning parts so that the first and second tensioning parts are mutually adjustable in a direction of tensioning between an opening position and a tensioning position;
• wherein:
• the first tensioning part includes two of the first holders located on opposite sides of the first tension roller;
• the second tensioning part includes two of the second holders located on opposite sides of the second tension roller;
• and
• the belt tensioning device further includes:
• a tensioning piece centrally located between the two first holders and between the two second holders, the tensioning piece being configured to be fed through between two revolving drive belts;
• and
• a fixing element configured to hold the first and second tensioning parts in place relative to the tensioning piece.

A belt tensioning device for tensioning at least one revolving drive belt about a belt pulley of a drive, the at least one revolving drive belt having a load strand and an empty strand, the belt tensioning device comprising:

• a first tensioning part including a first holder;
• a second tensioning part including a second holder;
• a first tension roller mounted on the first holder;
• a second tension roller mounted on the second holder, the first and second tension rollers being configured to each engage a respective one of the strands of the at least one revolving drive belt;
• one of the first and second tensioning parts including two opposite edges defined on its respective holder;
• and
• a guide element connected to the other of the first and second tensioning parts, the guide element including two sliding guides angled off from the guide element and overlapping the two opposite edges, so that the two sliding guides and the two opposite edges form a linear guide between the first and second tensioning parts so that the first and second tensioning parts are mutually adjustable in a direction of tensioning between an opening position and a tensioning position;
• wherein:
• the first tensioning part includes two of the first holders spaced apart from one another;
• the second tensioning part includes two of the second holders spaced apart from one another;
• the first tension roller is connected to both of the first holders;
• and
• the second tension roller is connected to both of the second holders.

A belt tensioning device for tensioning at least one revolving drive belt about a belt pulley of a drive, the at least one revolving drive belt having a load strand and an empty strand, the belt tensioning device comprising:

• a first tensioning part including a first holder;
• a second tensioning part including a second holder;
• a first tension roller mounted on the first holder;
• a second tension roller mounted on the second holder, the first and second tension rollers being configured to each engage a respective one of the strands of the at least one revolving drive belt;
• one of the first and second tensioning parts including two opposite edges defined on its respective holder;
• a guide element connected to the other of the first and second tensioning parts, the guide element including two sliding guides angled off from the guide element and overlapping the two opposite edges, so that the two sliding guides and the two opposite edges form a linear guide between the first and second tensioning parts;
• and
• at least one threaded tensioning rod and fastening nut assembly connected between the first and second tensioning parts, so that the first and second tensioning parts are mutually adjustable in a direction of tensioning between an opening position and a tensioning position and so that the first and second tensioning parts are supportable against one another through the at least one threaded tensioning rod and fastening nut assembly;
• wherein:
• the first tensioning part includes two of the first holders located on opposite sides of the first tension roller;
• the second tensioning part includes two of the second holders located on opposite sides of the second tension roller;
• and
• the at least one threaded tensioning rod and fastening nut assembly includes a first threaded tensioning rod and fastening nut assembly connecting the first holder and second holder on one side of the first and second tension rollers and a second threaded tensioning rod and fastening nut assembly connecting the first holder and second holder on the opposite side of the first and second tension rollers from the first threaded tensioning rod and fastening nut assembly.

A belt tensioning device for tensioning at least one revolving drive belt about a belt pulley of a drive, the at least one revolving drive belt having a load strand and an empty strand, the belt tensioning device comprising:

• a first tensioning part including a first holder;
• a second tensioning part including a second holder;
• a first tension roller mounted on the first holder;
• a second tension roller mounted on the second holder, the first and second tension rollers being configured to each engage a respective one of the strands of the at least one revolving drive belt;
• one of the first and second tensioning parts including two opposite edges defined on its respective holder;
• a guide element connected to the other of the first and second tensioning parts, the guide element including two sliding guides angled off from the guide element and overlapping the two opposite edges, so that the two sliding guides and the two opposite edges form a linear guide between the first and second tensioning parts;
• and
• at least one threaded tensioning rod and fastening nut assembly connected between the first and second tensioning parts, so that the first and second tensioning parts are mutually adjustable in a direction of tensioning between an opening position and a tensioning position and so that the first and second tensioning parts are supportable against one another through the at least one threaded tensioning rod and fastening nut assembly;
• wherein:
• the first tensioning part includes two of the first holders located on opposite sides of the first tension roller;
• the second tensioning part includes two of the second holders located on opposite sides of the second tension roller;
• and
• the at least one threaded tensioning rod and fastening nut assembly is centrally located between the two first holders and between the two second holders, the at least one threaded tensioning rod and fastening nut assembly being configured to be fed through between two revolving drive belts.

A belt tensioning device for tensioning at least one revolving drive belt about a belt pulley of a drive, the at least one revolving drive belt having a load strand and an empty strand, the belt tensioning device comprising:

• a first tensioning part including a first holder;
• a second tensioning part including a second holder;
• a first tension roller mounted on the first holder;
• a second tension roller mounted on the second holder, the first and second tension rollers being configured to each engage a respective one of the strands of the at least one revolving drive belt;
• one of the first and second tensioning parts including two opposite edges defined on its respective holder;
• a guide element connected to the other of the first and second tensioning parts, the guide element including two sliding guides angled off from the guide element and overlapping the two opposite edges, so that the two sliding guides and the two opposite edges form a linear guide between the first and second tensioning parts;
• and
• at least one threaded tensioning rod and fastening nut assembly connected between the first and second tensioning parts, so that the first and second tensioning parts are mutually adjustable in a direction of tensioning between an opening position and a tensioning position and so that the first and second tensioning parts are supportable against one another through the at least one threaded tensioning rod and fastening nut assembly;
• wherein:
• the first tensioning part includes two of the first holders spaced apart from one another and a first connecting element connecting the first holders;
• the second tensioning part includes two of the second holders spaced apart from one another and a second connecting element connecting the second holders;
• and
• at least one of the first and second connecting elements has an adjustment slot defined therein and extending in the direction of tensioning to allow for linear adjustment of a position of the respective first and second tensioning part.