B-display detection platform of digital rail flaw detector
A detection platform and flaw detector technology, applied in the direction of testing metals, material inspection products, etc., can solve the problems of great loopholes in detection, easy missed inspections in on-site operations, and inability to complete the detection of instrument use modules, so as to reduce the responsibility for rail breaking accidents , apply systematic effects
Inactive Publication Date: 2012-01-18
王卫国
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Problems solved by technology
Based on the working principle of the B-display (graphic) module of the digital rail flaw detector, under the existing conditions, indoor detection is limited by space and measuring instruments (test blocks), and it is impossible to complete the detection of the B-display (graphic) of the flaw detector. Digital instruments The monthly inspection, quarterly inspection, annual inspection and daily inspection can only be checked by A display (waveform) and cannot complete the inspection of all the modules used in the instrument.
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[0014] The present invention will be described in detail below with reference to the embodiments shown in the accompanying drawings.
[0015] see figure 1 , figure 2 , the encoder described in this embodiment is composed of an encoder bracket, an encoder inner core 10, an encoder outer assembly, an encoder cable 5 and other components, wherein the encoder outer assembly consists of an outer assembly inner sleeve 2 and an outer assembly outer sleeve. 11, the inner sleeve 2 of the outer assembly is installed on the inner core 10 of the encoder in the shape of a stepped shaft through a one-way bearing, and the inner ring of the inner sleeve 2 of the outer assembly is bonded with two parts that cooperate with the electromagnetic circuit in the inner core 10 of the encoder. A magnetic steel 6; the outer assembly casing 11 is slidably sleeved on the outer ring of the outer assembly inner casing 2, and a one-way clutch 7 is installed between it and the outer assembly inner casing 2...
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The invention relates to a standard detection device used for a digital steel-rail flaw detector, in particular to a B-display detection platform of a digital rail flaw detector. The B-display detection platform of the digital rail flaw detector comprises an encoder and a positioning trolley, wherein an encoder outer assembly comprises an inner sleeve and an outer sleeve, the inner sleeve is installed on a stepped shaft-shaped encoder inner core through a one-way bearing, two magnet steel matched with an electromagnetic circuit in the encoder inner core are boned on an inner ring of the inner sleeve, the outer sleeve is glidingly sleeved on an outer ring of the inner sleeve, and a one-way clutch is installed between the outer sleeve and the inner sleeve; a reset winding mechanism limiting disc is fixed on the encoder inner core, an internal fixing pin is installed on the reset winding mechanism limiting disc, an external fixing pin is installed on the outer sleeve of the encoder outer assembly, and a reset winding mechanism capable of enabling the outer sleeve of the encoder outer assembly to reset is connected between the two fixing pins; and a probe is installed inside a trolley body of the positioning trolley through a probe support, two positioning wheels are installed on the trolley body ate the rear end of the probe, the positioning wheels and the probe are arranged in a three-point fix way. The B-display detection platform of the digital rail flaw detector, provided by the invention, can overcome the limitations of space and measuring instruments to realize standard detection through a digital instrument B-display module of an indoor railroad flaw detection system.
Description
[0001] Technical field: [0002] The invention relates to a standard detection device of a rail digital flaw detector, in particular to a B-display detection platform of a digital rail flaw detector. Background technique: [0003] At present, the verification of digital rail flaw detectors is carried out under indoor conditions. Due to the limited indoor space and the maximum length of the existing standard measuring instruments (test blocks) of only 1800mm, it cannot meet the minimum record length requirement of 3000mm for the instrument storage system. Therefore, , The indoor verification instrument can only detect A display (waveform) module, can not detect B display (graphic) module, the detection method is not perfect. The existing flaw detection and verification standard measuring instruments (test blocks) are mainly CSK-1A / WGT-3 / CS-1-5 / ladder / GTS-60(432mm) / GTS-60C(1800mm), which are strictly in accordance with the iron standard T / The production of the BT2340-2000 st...
Claims
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IPC IPC(8): G01N33/20
Inventor 王卫国王建
Owner 王卫国