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Mobile bearing eddy current magnetic saturation instrument hydraulic lifting trolley
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A hydraulic lifting and mobile technology, applied in the direction of motor vehicles, instruments, trolleys, etc., can solve the problems of large volume, increased difficulty of eddy current flaw detection, heavy weight, etc.
Active Publication Date: 2019-01-04
DATANG DONGBEI ELECTRIC POWER TESTING & RES INST
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Summary
Abstract
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Problems solved by technology
The conventional magnetic saturation instrument is composed of magnetized coils and iron components. It is large in size and heavy in weight. It is suitable for use in fixed places in steel pipe factories. When eddy current flaw detection is performed on steel pipes in power plants, it is usually in the flow field. Not in a fixed workshop, sometimes steel pipes need to be tested at different heights, which greatly increases the difficulty of eddy current testing
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Embodiment 1
[0022] The mobile carrying eddy current magnetic saturation instrument hydraulic lifting trolley in this embodiment includes: a platform, a bottom plate and a scissor rod assembly connected between the platform and the bottom plate, a magnetic saturator is arranged on the platform, and a magnetic saturator is arranged under the bottom plate A small wheel set is provided, guide rails with a groove structure are respectively provided on the end surfaces of the platform and the bottom plate, and slide blocks are arranged inside the guide rails, and each set of scissor rod assemblies includes two scissor rods hinged together by hinges. Fork rods, one end of the two scissor rods are respectively hingedly connected to the platform and the bottom plate, and the other ends are respectively hinged to the sliders arranged on the end faces of the platform and the bottom plate, the bottom plate is provided with a hydraulic cylinder, and the lifting end of the hydraulic cylinder It is conne...
Embodiment 2
[0026] This embodiment This embodiment is a mobile bearing eddy current magnetic saturation instrument hydraulic lifting trolley, and the only difference from Embodiment 1 is that the positioning structure for positioning the slider is specifically: the surface of the platform and the bottom plate There is a sliding hole on the corresponding groove position, and the stopper is provided with a perforation, and the stud passes through the sliding hole on the platform, the bottom plate and the perforation on the stopper, and the stopper passes through the bolt and the lock. The cooperation of the tight nut is used for positioning, and the stopper is compressed on the slide block.
Embodiment 3
[0028] In this embodiment, the mobile carrying eddy current magnetic saturation instrument hydraulic lifting trolley, on the basis of embodiments 1 and 2, further in order to strengthen the stability of the entire trolley, several telescopic rods are connected between the bottom plate and the platform , the telescopic rod is composed of a plurality of sleeves that are socketed with each other.
[0029] Compatible grooves are respectively provided on the pipe walls of the two sleeves nested in each other, and the grooves are arranged along the length direction of the sleeves, and the grooves are in a rectangular structure.
[0030] In this embodiment, in order to facilitate the movement, steering, and ladder climbing of the trolley, the trolley wheel set includes a steering wheel arranged at the front end of the bottom plate and a triangular wheel arranged at the rear end of the bottom plate, wherein the steering wheel is a universal wheel, so Described triangular wheel compris...
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Abstract
The invention relates to a mobile bearing eddy current magnetic saturation instrument hydraulic elevating dolly. The mobile bearing eddy current magnetic saturation instrument hydraulic elevating dolly comprises a platform, a base plate and shearing fork lever assemblies connected between the platform and the base plate, the platform is provided with a magnetic saturation device, a dolly wheel set is arranged below the base plate, the end surfaces of the platform and the base plate are each provided with a guide rail of a groove structure, the guide rails are internally provided with slide blocks, each shearing form arm assembly comprises two shearing fork levers which are hinged together by use of a hinge, one ends of the two shearing fork levers are in hinged connection with the platform and the base plate, the other ends are hinged to the slide rails on the end surfaces of the platform and the base plate, the base plate is provided with a hydraulic cylinder, the elevating end of the hydraulic cylinder is in connection with the hinge of the two shearing fork levers, and the hydraulic cylinder controls elevating of the platform through controlling elevating of the hinge.
Description
technical field [0001] The invention specifically relates to a mobile hydraulic lifting trolley carrying an eddy current magnetic saturation instrument. Background technique [0002] Eddy current testing is one of the conventional non-destructive testing methods, and it has certain advantages in the application of detecting surface or near-surface defects of conductive materials. Our country began to carry out the research work of eddy current detection in the 1960s, and successfully developed a series of detection systems and detection equipment, these equipment are playing a more and more important role in my country's aerospace, metallurgy, machinery, electric power, chemical industry, nuclear energy and other fields. increasingly important role. [0003] Magnetic saturators are mainly used in eddy current testing of ferromagnetic materials. For ferromagnetic materials, eddy currents can only be concentrated on the surface and cannot penetrate into the interior of the ma...
Claims
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Application Information
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Patent Type & Authority Patents(China)
IPC IPC(8): B62B5/02B62B3/02G01N27/90
CPCB62B3/02B62B5/026G01N27/9006
Inventor 李英明张炳奇谢军军刘巍栋杨坚宁玉恒孙旭
Owner DATANG DONGBEI ELECTRIC POWER TESTING & RES INST
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