As the working time of any machine continues to lengthen, the skills of gear pump will continue to decline, eventually leading to various problems. Among them, the two most common faults are insufficient pump oil and no pump oil of gear pump. There are many reasons for these two faults, which can be basically classified as component wear, including the wear of driving shaft and bushing, the wear of central hole and shaft pin of driven gear, the wear of Notranja votlina ohišja in prestave črpalke ter obraba prestavnega obraza in pokrova črpalke . Ko popravimo zobniško črpalko, bi morali vedeti, kako rešiti škodo vsakega dela in pravilno presoditi .
1. Nosica vozniške gredi in puša:
When the driving shaft and bushing of the gear pump are worn, the matching clearance will increase, which will inevitably affect the oil volume of the pump. In this case, the normal fit clearance can be restored by repairing the driving shaft or bushing. If the driving shaft is slightly worn, just press out the old bushing and replace it with a standard bushing, and the fit clearance can be restored to the allowable Območje . Če sta gonilna gred in puša resno obrabljena in odmik prileganja presega standard, se ne zamenja samo puša, ampak tudi premer gonilne gredi poveča s kromovo oblogo ali vibracijo, nato pa se prizemlji na zahteve po standardi
2. Popravilo mazalne oljne črpalke Popravilo lupine lupine:
Razpoke lupine lahko popravite z lito 508 nikelj bakreno varilno palico . zvar mora biti tesen in brez zračnih lukenj, napaka ravne površine pa s pokrovom črpalke ne sme biti večja od 0 . 05mm.
3. Popravilo pokrova črpalke:
Popravilo delovne ravnine: Če je delovna ravnina pokrova črpalke rahlo obrabljena, lahko sled za obrabo odpravimo z ročnim brušenjem, to je, da na ploščad ali debelo stekleno ploščo postavite malo ventilskega peska, nato pa nanjo postavite pokrov črpalke, dokler se sledilna sled ne odpravi in delovna površina ni ravno . 0 . 1mm, popravimo ga tako, da se najprej obrnete in nato brusirate.
4. Prekinitev prestav:
The gear wear of gear pump is mainly at the tooth thickness, while the wear of gear end face and tooth top is relatively light. The gear is worn on one side at the tooth thickness, so the gear can be turned 180 degrees for use. When the gear end face is worn, the end face can be ground flat, and the joint surface of the lubricating oil pump housing can be ground at the same time to ensure that the clearance between the gear end obraz in pokrov črpalke je v standardnem območju .
