Pipeline robot based on shape memory alloy joule heat driving
A pipeline robot and memory alloy technology, which is applied in the field of pipeline processing equipment, can solve the problems of unsatisfactory driving effect, high thermal insulation, and difficulty in mass production, and achieve low thermal insulation, high conversion efficiency, and low cost Effect
Inactive Publication Date: 2019-01-25
DALIAN UNIV
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Problems solved by technology
Compared with the detection of clogging by the external sensor of the pipeline, it is more accurate and efficient to use the robot to clean the inside directly. The micro-pipeline robot driven by the pump uses cold and hot water to cool down and heat up the SMA spring periodically, so that the SMA spring shrinks and expands, thereby providing the driving force. It directly supplies energy to the SMA through heat. Low conversion efficiency, tightness to the heat engine, high thermal insulation performance, unsatisfactory driving effect, and difficult to achieve mass production
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[0021] Attached below Figure 1-7 The present invention is described further:
[0022] A pipeline robot driven by shape memory alloy Joule heat, including a driving mechanism 3 fixed on the chassis 1 through a fixed seat 4, the driving mechanism 3 is connected to the gear transmission mechanism 2, and there are two driving mechanisms 3, which are symmetrically distributed on the The two sides of the gear transmission mechanism 2, the gear transmission mechanism 2 is connected to the driving wheel 5, and the chassis 1 is also provided with two sets of driven wheel mechanisms 4, the driven wheel mechanism 4 includes, and is arranged on the chassis 1 through a backing plate 4.5 The driven wheel fixing seat 4.4 on the top, the driven wheel shaft 4.3 is rotationally connected to the bottom of the driven wheel fixing seat 4.4 through the driven wheel flange bearings 4.2 at both ends, and the driven wheel 4.1 is located in the middle of the driven wheel shaft 4.3. The drive mechanis...
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The invention discloses a pipeline robot based on shape memory alloy joule heat driving, belonging to the technical field of pipeline processing equipment. The pipeline robot includes a driving mechanism fixed on a chassis, the driving mechanism is connected with a gear transmission mechanism, the gear transmission mechanism is connected with a driving wheel, and the chassis is further provided with a driven wheel mechanism. The pipeline robot has the advantages that a straight gear transmission mechanism is utilized to amplify output displacement of an SMA spring; driving is performed throughjoule heat generated by electric energy, the requirements for the sealing performance of a piston and heat insulation are low, and the energy conversion efficiency is higher. Electric energy is converted into mechanical energy to drive the robot to advance. The robot has high adaptability to the environment and is low in cost, free of pollution and high in work efficiency.
Description
technical field [0001] The invention relates to a pipeline robot driven by a shape memory alloy, which belongs to the technical field of pipeline processing equipment. Background technique [0002] At present, the pipeline transportation industry at home and abroad is not only large-scale but also developing rapidly. The total length of the pipeline construction of my country's West-East Gas Transmission Project has reached 12,259 kilometers, and the oil and gas transportation pipelines in the world are more than 2 million kilometers. Urban water supply, heating and drainage pipelines are even more difficult. statistics. Therefore, the safety management of pipeline transportation is the focus of research, and pipeline blockage is an important issue affecting transportation safety. There are various ways to detect pipeline blockage, but they can be roughly divided into two categories: internal detection of pipeline blockage and detection by external sensors of the pipeline. ...
Claims
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Login to View More IPC IPC(8): F16L55/32F16L101/30
CPCF16L55/32F16L2101/30
Inventor 董桂馥敖东张志新陈建国
Owner DALIAN UNIV