Coaxial wound belt driven automatic stepless speed changing torque increasing motor starter
A technology of stepless variable speed and torque motor, applied in the direction of starter parts, etc., can solve the problems of bulky, complex structure of speed changer, high cost, etc., and achieve the effect of reducing starting current, simple structure and low cost
Inactive Publication Date: 2012-05-30
江顺精密机械装备科技江阴有限公司
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Problems solved by technology
[0006] 3. The structure of the entire speed changer is complex, bulky and costly
Method used
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[0030] The coaxial winding belt drive automatic stepless variable speed increasing torque motor starter of the present invention is connected between the motor and the load, and it consists of a casing, a planet carrier, three double winding pulleys 3, an input winding pulley 6, and an output winding belt Wheel 18, three input winding belts 5, three output winding belts 4, winding belt reset torsion spring mechanism and three feather key clutch mechanisms form.
[0031] The shell is composed of a shell base 1 and a flange end cover 13, such as figure 1 figure 2 . The left side of the shell seat 1 can be connected to the motor casing through the seam and screws (the motor and the screws are not shown), and the right side can be connected to the flange end cover 13 through the seam and screws (the screws are not shown), and the inner cylindrical surface of the shell seat 1 Machined with 12 evenly distributed keyways (see Figure 4 Figure 7 ).
[0032] The planetary carrie...
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The invention discloses a coaxial wound belt driven automatic stepless speed changing torque increasing motor starter which is arranged between a motor and a load. A plurality of uniformly distributed key slots and a rotatable planet carrier are arranged in the inner cavity of a starting shell; a plurality of circumferentially and uniformly distributed radial straight slots and a plurality of circumferentially and uniformly distributed twin wound belt wheels (3) which are staggered away from the plurality of radial straight slots are arranged inside the planet carrier; the plurality of radialstraight slots are provided with a sliding key engaging and disengaging mechanism respectively; an input wound belt wheel (6) is rotatably and cooperatively arranged in a middle hole at the left end of the planet carrier, and an output wound belt wheel (18) is rotatably and cooperatively arranged in a middle hole at the right end of the planet carrier; and wound belt resetting torsion spring mechanisms are arranged at the outer end of the planet carrier and the axial end of the output wound belt wheel (18). At the beginning of starting, the transmission ratio between the original motor and the load is high and then is gradually and steplessly changed into 1 to 1; and during shutdown, elasticity is released by a torsion spring tensioned during the starting, so that the starter is automatically reset to the initial high-transmission-ratio state. The starter can amplify the starting torque of the motor for multiple times and reduce the starting current.
Description
technical field [0001] The invention relates to an automatic variable speed transmission installed between a motor and a load. It belongs to the technical field of machinery industry. Background technique [0002] At present, in many occasions, the motor drives the working machine to achieve the starting torque required to overcome the static inertial load when starting, and its power requirements for the motor are often much larger than the power required for the normal operation of the driving machine after starting. It is more than twice as large, which will cause a large horse-drawn cart; and the large starting torque of the motor will bring large current fluctuations. When several motors start at the same time, this impact can cause the circuit switch to trip, interrupt production, and even cause loss and accident. [0003] The Chinese invention patent with the application number 201010034304.1 published in July 2010: Electromagnetic clutch type torque-increasing star...
Claims
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IPC IPC(8): H02P1/02
Inventor 史宏张理罡皮炼武邵飞刘水泉
Owner 江顺精密机械装备科技江阴有限公司