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Constant tension system based on double motors and differential gear train

A differential gear train and constant tension technology, applied in the field of constant tension systems, can solve problems such as high motor requirements and weak high-frequency disturbance suppression ability, and achieve high dynamic tension precision, high static tension precision, and constant sling compensation force Effect

Active Publication Date: 2018-09-07
HARBIN INST OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The existing single-motor belt reel realizes constant tension control, which has the problems of high requirements on the motor and weak ability to suppress high-frequency disturbances

Method used

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  • Constant tension system based on double motors and differential gear train

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Embodiment Construction

[0012] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention.

[0013] see figure 1 Describe this embodiment, a constant tension system based on dual motors and differential gear train described in this embodiment, it includes a large torque motor 1, a small torque motor 5, a large torque motor side reducer 2, a small torque motor side Reducer 4, differential gear train 3, drum 6, sling 7, tension sensor 8 and load 9, described large torque motor 1 is connected with the input shaft of large torque motor side reducer 2, described small torque motor 5 It is connected with the input shaft of the small torque motor side reducer 4, the differential gear train 3 includes two input shafts and an output shaft, the output of the large torque motor side reducer 2 and the small torque motor side reducer 4 The shafts are respectively connected to the t...

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Abstract

The invention provides a constant tension system based on double motors and a differential gear train, and belongs to the field of microgravity simulation. The problems that the requirement for the motors is high and the high-frequency disturbance inhibiting capacity is poor due to the fact that constant tension control is achieved through a single motor with a roller are solved. The constant tension system comprises a high-torque motor, a low-torque motor, a high-torque motor side speed reducer, a low-torque motor side speed reducer, the differential gear train, a roller, a sling, a tension sensor and a load. The constant tension system is mainly applied to conducting a weightlessness simulation experiment on the ground.

Description

technical field [0001] The invention belongs to the field of microgravity simulation, in particular to a constant tension system based on double motors and a differential gear train. Background technique [0002] There is a complete or partial weightless environment in space and on the surface of alien planets. The force state of the spacecraft and astronauts in the weightless environment on the surface of space and alien planets is different from that on the surface of the earth, so some of the load-bearing structures of the spacecraft may be damaged. The movement of the mechanism is trembling, and the operation feeling of the astronauts is different from that on the ground when performing tasks. In order to ensure the reliability of the spacecraft and the proficiency of the astronauts in performing tasks, it is necessary to conduct a weightlessness simulation experiment on the ground before launch. At present, an important method for the weightlessness simulation of spacec...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B64G7/00
CPCB64G7/00
Inventor 于海涛高海波齐乃明黄显林叶东牛福亮
Owner HARBIN INST OF TECH