Self-adjusting torque device

Abstract

There is provided a self-adjusting torque device which includes a driving module, a driven module and an adjusting module. The driving module is connected to a power inputting apparatus and has an acting force which is a first tension generated by the power inputting apparatus. The driven module is connected to a winding material and has an acting force which is a second tension applied on the winding material. The adjusting module is connected to the driving module and the driven module, and adjusts a distance between the driving module and the driven module according to the second tension force so as to keep the second tension identical with the first tension.

1 . A self-adjusting torque device, including:
 a driving module connected to a power inputting apparatus and having an acting force which is a first tension generated by the power inputting apparatus;   a driven module connected to a winding material and having an acting force which is a second tension applied on the winding material; and   an adjusting module connected to the driving module and the driven module and adjusting a distance between the driving module and the driven module according to the second tension so as to keep the second tension identical with the first tension.   
   
   
       2 . The self-adjusting torque device of  claim 1 , wherein
 the driving module includes a first driving screw, a second driving screw, and a third driving screw that have fixed positions, the first driving screw and the second driving screw mesh with each other, the second driving screw and the third driving screw are connected with each other and have identical rotating speeds, and a front end of the first driving screw is connected to the power inputting apparatus;   the driven module includes a driven screw having a movable position, and the driven screw meshes with the third driving screw and is connected to the winding material at a rear end of the driven screw; and   the adjusting module includes an electromagnetic torque device, one end of the electromagnetic torque device is connected to a rear end of the first driving screw, and the other end is connected to a front end of the driven screw.   
   
   
       3 . The self-adjusting torque device of  claim 1 , wherein
 the driving module includes a first driving screw having a movable position and a second driving screw and a third driving screw that both have fixed positions, the first driving screw and the second driving screw mesh with each other, the second driving screw and the third driving screw are connected with each other and have identical rotating speeds, and a front end of the first driving screw is connected to the power inputting apparatus;   the driven module includes a driven screw having a fixed position, and the driven screw meshes with the third driving screw and is connected to the winding material at a rear end of the driven screw; and   the adjusting module includes an electromagnetic torque device, one end of the electromagnetic torque device is connected to a rear end of the first driving screw, and the other end is connected to a front end of the driven screw.   
   
   
       4 . The self-adjusting torque device of  claim 1 , wherein
 the driving module includes a first driving gear, a second driving gear, and a third driving screw that have fixed positions, the first driving gear and the second driving gear mesh with each other, the second driving gear and the third driving screw are connected with each other and have identical rotating speeds, and a front end of the first driving gear is connected to the power inputting apparatus;   the driven module includes a driven screw having a movable position, and the driven screw meshes with the third driving screw and is connected to the winding material at a rear end of the driven screw; and   the adjusting module includes an electromagnetic torque device, one end of the electromagnetic torque device is connected to a rear end of the first driving gear, and the other end is connected to a front end of the driven screw.   
   
   
       5 . The self-adjusting torque device of  claim 1 , wherein
 the driving module includes a first driving screw having a movable position and a second driving screw and a third driving gear that both have fixed positions, the first driving screw and the second driving screw mesh with each other, the second driving screw and the third driving gear are connected with each other and have identical rotating speeds, and a front end of the first driving screw is connected to the power inputting apparatus;   the driven module includes a driven gear having a fixed position, and the driven gear meshes with the third driving gear and is connected to the winding material at a rear end of the driven screw; and   the adjusting module includes an electromagnetic torque device, one end of the electromagnetic torque device is connected to a rear end of the first driving screw, and the other end is connected to a front end of the driven screw.   
   
   
       6 . The self-adjusting torque device of  claim 1 , wherein
 the driving module includes a first driving rotary wheel, a second driving rotary wheel, and a third driving screw that have fixed positions, the first driving rotary wheel and the second driving rotary wheel are coupled by a belt, the second driving rotary wheel and the third driving screw are connected with each other and have identical rotating speeds, and a front end of the first driving rotary wheel is connected to the power inputting apparatus;   the driven module includes a driven screw having a movable position, and the driven screw meshes with the third driving screw and is connected to the winding material at a rear end of the driven screw; and   the adjusting module includes an electromagnetic torque device, one end of the electromagnetic torque device is connected to a rear end of the first driving rotary wheel, and the other end is connected to a front end of the driven screw.   
   
   
       7 . The self-adjusting torque device of  claim 1 , wherein
 the driving module includes a first driving screw having a movable position and a second driving screw and a third driving rotary wheel that both have fixed positions, the first driving screw and the second driving screw mesh with each other, the second driving screw and the third driving rotary wheel are connected with each other and have identical rotating speeds, and a front end of the first driving screw is connected to the power inputting apparatus;   the driven module includes a driven rotary wheel having a fixed position, the driven rotary wheel meshes with the third driving rotary wheel and is connected to the winding material at a rear end of the driven rotary wheel; and   the adjusting module includes an electromagnetic torque device, one end of the electromagnetic torque device is connected to a rear end of the first driving screw, and the other end is connected to a front end of the driven rotary wheel.   
   
   
       8 . The self-adjusting torque device of  claim 1 , wherein
 the driving module includes a first driving gear, a second driving gear, and a third driving screw that have fixed positions, the first driving gear and the second driving gear are coupled by a chain, the second driving gear and the third driving screw are connected with each other and have identical rotating speeds, and a front end of the first driving gear is connected to the power inputting apparatus;   the driven module includes a driven screw having a movable position, the driven screw meshes with the third driving screw and is connected to the winding material at a rear end of the driven screw; and   the adjusting module includes an electromagnetic torque device, one end of the electromagnetic torque device is connected to a rear end of the first driving gear, and the other end is connected to a front end of the driven screw.   
   
   
       9 . The self-adjusting torque device of  claim 1 , wherein
 the driving module includes a first driving screw having a movable position and a second driving screw and a third driving gear that both have fixed positions, the first driving screw and the second driving screw mesh with each other, the second driving screw and the third driving gear are connected with each other and have identical rotating speeds, and a front end of the first driving screw is connected to the power inputting apparatus;   the driven module includes a driven gear having a fixed position, the driven gear and the third driving gear is coupled by a chain and is connected to the winding material at a rear end of the driven gear; and   the adjusting module includes an electromagnetic torque device, one end of the electromagnetic torque device is connected to a rear end of the first driving screw, and the other end is connected to a front end of the driven gear.