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Sine feed mechanism

A technology of sinusoidal propulsion devices, applied in the direction of non-rotating propulsion elements, etc., can solve the problem of low accuracy of sinusoidal propulsion devices, and achieve the effect of smooth adjustment process and high accuracy

Active Publication Date: 2011-08-17
SHENZHEN INST OF ADVANCED TECH CHINESE ACAD OF SCI
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0005] However, the above-mentioned sinusoidal propulsion device realizes the amplitude modulation mechanism of the amplitude modulation function, which is realized by the meshing transmission chain of the lead screw, U-shaped rack, gear and bent rack without self-locking property, and the zero point when the main shaft and the lead screw rotate The position is only determined by photoelectric switches, therefore, the control accuracy of the above-mentioned sinusoidal propulsion device is low

Method used

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Embodiment Construction

[0022] The specific embodiments of the present invention will be described below mainly in conjunction with the accompanying drawings.

[0023] see figure 1 and figure 2 , the sinusoidal propulsion device 100 of Embodiment 1 is a new type of sinusoidal propulsion device designed according to the model of Carbaidae with higher propulsion efficiency and propulsion speed plus crescent-shaped tail fin. The sinusoidal propulsion device 100 includes a first driving member 110, a reducer 120, a first transmission gear 130, a second transmission gear 140, a transmission shaft 150, a base 160, an amplitude modulation mechanism 170, a chute member 180, a spur rack 190, a fan Teeth 210 and swing link 220. Among them, the first driving member 110, the reducer 120, the first transmission gear 130, the second transmission gear 140, the transmission shaft 150, the chute 180, the spur rack 190, the fan teeth 210 and the swing connecting rod 220 are sinusoidal propulsion devices. 100 main ...

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PUM

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Abstract

The invention discloses a sine feed mechanism, which comprises a main transmission mechanism and an amplitude modulation mechanism. The main transmission mechanism comprises a swinging connecting bar, a transmission shaft, a first drive piece capable of driving the transmission shaft to rotate, a sector gear, a straight rack, and a spout piece; wherein the output end of the sector gear is fixedlyconnected with the swinging connecting bar; the straight rack is engaged with the sector gear; and the spout piece is fixedly connected with the straight rack; the amplitude modulation mechanism comprises a first transmission piece, a second transmission piece connected with the first transmission piece in a transmission way, a second drive piece, a mounting seat, and a thread connecting bar; theoutput shaft of the second drive piece is fixedly connected with the first transmission piece; moreover, the mounting seat and the thread connecting bar are fixedly connected with the output end of the transmission shaft; the thread connecting bar and the output end of the second transmission piece are connected by threads with self-locking properties; the output end of the thread connecting bar can slide in the spout piece; therefore, the straight rack is driven to slide up and down in a sine law; then the straight rack drives the sector gear to swing up and down; in this way, the swinging connecting bar is driven to realize swinging in a sine law. The control precision of the sine feed mechanism is higher.

Description

【Technical field】 [0001] The invention relates to a propulsion device, in particular to a sinusoidal propulsion device suitable for an intelligent bionic robot dolphin. 【Background technique】 [0002] With the deepening of human exploration and development of the ocean, the demand for underwater robots that adapt to the ocean environment is increasing, and the application of underwater robots is becoming more and more extensive. Bionic robotic fish and bionic robotic dolphins are important members of the underwater robot family. [0003] At present, with the development of bionics, robotics, fluid mechanics, new materials and other disciplines, the research on bionic robot fish has been greatly developed. In 1994, the world's first bionic robotic tuna was born at the Massachusetts Institute of Technology. Since then, scientific research institutions in many countries have done a lot of research on robotic fish. But to the research of cetaceans, due to many difficulties of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B63H1/36
Inventor 何凯欧协锋刘鹏杜如虚
Owner SHENZHEN INST OF ADVANCED TECH CHINESE ACAD OF SCI
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