Hydraulic transmission gear on basis of liquid metal
A hydraulic transmission device and liquid metal technology, applied in transmission devices, fluid transmission devices, belts/chains/gears, etc., can solve problems such as unsuitable for high-temperature work and low bearing capacity of hydraulic transmission systems, and achieve excellent power transmission. System reliability, noise and vibration reduction effects
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Embodiment 1
[0031] Such as figure 1 As shown, the hydraulic transmission device based on liquid metal of the present invention includes a power source acting on the transmission medium, a pipeline 1 and an output piston 5 arranged in the pipeline 1, and the pipeline 1 is filled with liquid metal 1 as the transmission medium, and the liquid state Metal 11 is a low-melting-point metal in a liquid state at room temperature (18-25° C.), which can be gallium-indium alloy, gallium-bismuth alloy, gallium-tin alloy, gallium-indium-tin alloy, gallium-indium-tin-zinc alloy, gallium-tin-lead alloy , bismuth-indium-tin alloy, bismuth-tin alloy, sodium-potassium alloy or mercury, etc., liquid metal 11 selects gallium-indium-tin-zinc alloy Ga 61 In 25 sn 13 Zn 1 (Mass percentage is 61% Ga, 25% In, 13% Sn, 1% Zn). The liquid metal 11 flows in the closed space formed by the pipeline 1 and the output piston 5, so it will not affect the environment, and its properties are stable and easy to maintain. I...
Embodiment 2
[0042] The difference between Embodiment 2 and Embodiment 1 is that this embodiment is a hydraulic transmission device based on liquid metal in which pipes are connected in parallel. The hydraulic transmission device includes multiple sections of first pipelines, thereby realizing multiple pressure outputs. The opening and closing of a pipeline is controlled by valve 2 . Such as figure 2 As shown, the hydraulic transmission device includes two sections of the first pipeline provided with the output piston 5, the two sections of the first pipeline are separated by a partition 4, and the opening and closing of each first pipeline is controlled by the valve 2, so as to realize the liquid metal 11 shunts, so as to output multiple pressures, which can realize more complex hydraulic transmission. In this embodiment, the diameter ratio of the first pipe to the second pipe is 1:5, the inner diameter of the second pipe is 5 mm, and the inner diameter of the first pipe is 1 mm. In ad...
Embodiment 3
[0045] The difference between the third embodiment and the second embodiment is that in the liquid metal-based hydraulic transmission device of the present invention, the multi-parallel first pipelines are integrated into an integrated structure, that is, the porous core flow channel, and the porous core flow channel is one The interior of the pipe is divided into a plurality of fluid channels along the axial direction. The porous core flow channel in this embodiment includes 2-10 fluid channels, each fluid channel is provided with an output piston 5 inside, and the inner diameter of each fluid channel is different, so as to realize different pressure outputs at the same time. In this embodiment, the valve 2 is arranged on the pipeline between the porous core flow channel and the second pipeline, and does not control the fluid channels in the porous core flow channel separately. The hydraulic transmission device thus arranged can be used for artificial muscles of robots and th...
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