Technology within the present invention is a kind of tube wall self-cleaning type electromagnetic flowmeter
and its application method, belongs to the meter equipment.
Technical background electromagnetic flowmeter is the basis of the principle of electromagnetic induction, according to the conductive fluid through additional magnetic field induced electromotive force when the conductive fluid flow is measured a kind of instrument, the existing technology of electromagnetic flowmeter after long time use, the lining bonding dirt easily, affect the accuracy of flow measurement;
In the existing technology of electromagnetic flow meter cable for a long time use, easy to cause the line loose, disrupting the flow measurement, so needs a kind of inside wall self-cleaning type electromagnetic flowmeter to solve the above problems.
Described further, drive the bottom welding to adjust knob, as described in regulating knob installed at the bottom of the tube in vitro weeks surface.
Further, described nut connected by wire ball nut and the transverse 杄 further, described in the bearing outer ring side welding on the surface of guide block, as described in the upper guide block activities connected to the guide groove, described in the guide groove opening week in pipe body surface.
Further, described in the guide wheel and the guide wheel is equipped with two sets of the above, two sets of the above guide wheel on the isometric configuration within the loading plate on the curved surface, two sets of the above the guide wheel isometric configuration within the next loading plate curved surface, further described in the sleeve on the left end face to install convenient of further, described in the driving rod and the pipe body junction o-ring seal installation.
Self-cleaning inside a wall using the method of the electromagnetic flowmeter, in the process of cleaning components use, turn the adjusting knob, adjusting knob by two rotating drive shaft bevel gear, bevel gear turn two driven bevel gear, bevel gear drive the horizontal screw rotation, ball nut lieutenant horizontal screw rotation movement into linear motion, nut drive bearing ring moving in pipe body, bearing ring drive left scraper and right scraper movement, moving left scraper and right scraper will tube wall adhesion of dirt, and then achieve the function of the body wall pipe cleaning, guarantee the accuracy of traffic monitoring;
In line resistance components in use process, and insert the cable into the sleeve, the cable extrusion on the guide wheel, guide wheel on extrusion on the bearing plate, the bearing plate compression spring, deformation in the spring, the spring in the role of resilience, the guide wheel and cable joint, cable and the guide wheel under the joint at the same time, thus guide wheel and the guide wheel will cable clamping within the sleeve, avoid the cable fall off.
The invention of the beneficial effects of 1, the designed by bevel gear and bevel gear drive the horizontal screw rotation, two horizontal screw rotation through the nut drive bearing ring mobile, bearing ring drive right scraper and left scraper movement, and will shave their tube wall adhesion in the body of dirt, achieve the function of the body wall tube quickly clean.
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