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When the actual running condition test was conducted on a Running Track Paver Machine, the user found that the running track Paver Machine was 260 hours after the operation, and the scraper could not stop. Even if the main console scraper switch is turned off, the scraper hydraulic system electromagnet plug is removed and the scraper motor can still rotate.
Composition and working principle
It is understood that the Running Track Paver Machine scraper system adopts a new structure and arrangement, which is mainly composed of a hydraulic oil tank, a scraper pump, an electromagnetic spill valve group, a scraper motor, a hydraulic oil filter, etc. The figure shows. The scraper pump uses a P R R-022/022L gear pump and the scraper motor model is OMTS315. The electromagnetic relief valve type is 98301113DWG/03, which consists of 2 normally open type plug-in relief valves and 1 2/2-way solenoid valve. The model of the plug-in relief valve is SV4-8-O-0. -24DGS. Two plug-in relief valves are used to control the left and right scrapers, respectively. When the electromagnet Y26 is not energized, the pressure oil pumped by the hydraulic pump returns to the hydraulic oil tank; when the electromagnet Y26 is energized, the pressure oil passage of the return tank is cut off, and the scraper motor works.
