2026-06-22

Frostschutzkonstruktion des BYD-Kühlschrankstaplers: Details zur Anpassung des Kabelbaums und des Hydrauliksystems

Frostschutzkonstruktion des BYD-Kühlschrankstaplers: Details zur Anpassung des Kabelbaums und des Hydrauliksystems(Figur1)

Die zentrale Herausforderung von Kühlhausstaplern in Umgebungen mit niedrigen Temperaturen

Die Betriebsumgebung des Kühlhauses lag lange Zeit im Bereich von minus 10 Grad Celsius bis minus 40 Grad Celsius, begleitet von hoher Luftfeuchtigkeit und leichter Frostbildung. Wenn gewöhnliche Gabelstapler in solchen Umgebungen betrieben werden, sind sie anfällig für das Problem des Sprödbruchs des Kabelbaums und des Ausfalls der Hydrauliksystemkarte, was sich direkt auf die Betriebseffizienz und die Lebensdauer der Ausrüstung auswirkt. Daher ist eine gezielte Frostschutzauslegung einer der wichtigsten Leistungsindikatoren für Kühlhausstapler.

Detail der Frostschutzanpassung des Kabelbaumsystems

Optimierung von Material und Struktur des Gurtzeugs

Die Isolierschicht des Kabelbaums des Kühlschrankstaplers besteht aus modifiziertem Polyolefinmaterial mit niedriger Temperatur, das in einer Umgebung von minus 40 Grad Celsius flexibel bleiben kann und aufgrund von Versprödung bei niedrigen Temperaturen nicht reißt und abfällt. Der Drahtkern besteht aus einer mehrsträngigen weichen Kupferlitzenstruktur, die eine stabile elektrische Leitfähigkeit bei häufigem Biegen, thermischer Ausdehnung und Kontraktion aufrechterhalten und Ausfälle wie offene Stromkreise und schlechten Kontakt vermeiden kann.

Schutz des Kabelbaums und Optimierung des Layouts

Alle Kabelbaumschnittstellen sind vollständig mit kältebeständigen Dichtungsschürzen abgedichtet, die Feuchtigkeit und Frost im Kühlhaus isolieren und Kurzschlüsse durch das Eindringen von Kondenswasser in die Schnittstelle vermeiden können. Vermeiden Sie bei der Verdrahtung frostgefährdete Bereiche und Kältetrends im Kühlhaus so weit wie möglich und reservieren Sie 10% bis 15% der Leitungslänge, um die durch Materialschrumpfung verursachten Zugspannungen in der Umgebung mit niedrigen Temperaturen auszugleichen und das Risiko eines Kabelbaumbruchs zu verringern.

Details zur Frostschutzeinstellung für Hydrauliksysteme

Anpassung des hydraulischen Mediums und der Rohrleitung

Das Hydrauliksystem ist mit einem Anti-Verschleiß-Hydrauliköl mit niedrigem Gefrierpunkt vorinstalliert, wenn es das Werk verlässt. Der Gusspunkt kann bis zu minus 45 Grad Celsius betragen, wodurch auch bei niedrigen Temperaturen eine gute Fließfähigkeit aufrechterhalten werden kann und die Hydraulikleitung nicht erstarrt oder stecken bleibt. Die Hydraulikleitung besteht aus low-temperature-resistant Nitrilkautschuk, der sich an die durch Temperaturunterschiede verursachte Verformung anpassen kann. Die low-temperature-resistant Dichtung ist an der Schnittstelle der Rohrleitung angebracht, um ein Auslaufen von Hydrauliköl zu vermeiden.

Optimale Auslegung des Hydraulikkreislaufs

Das Hydrauliksystem fügt einen automatischen Druckentlastungskreislauf zur Abschaltung hinzu. Nach dem Abschalten der Anlage kann der Restdruck in der Rohrleitung automatisch abgelassen werden, um zu verhindern, dass sich das restliche Hydrauliköl in der Rohrleitung aufgrund niedriger Temperaturen ausdehnt und Risse bekommt. Gleichzeitig wird die Hydraulikventilgruppe mit einer Wärmedämmschutzschicht versehen, um die Wahrscheinlichkeit einer Frostblockade der Ventilgruppe zu verringern und die Reaktionsgeschwindigkeit des Hydraulikbetriebs in einer Umgebung mit niedrigen Temperaturen zu verbessern.

Im tatsächlichen Betriebs- und Wartungsprozess können die Benutzer auch regelmäßig den Status der Isolierschicht des Kabelbaums überprüfen und das entsprechende Hydrauliköl entsprechend dem tatsächlichen Temperaturbereich des Kühlhauses austauschen, was die Lebensdauer des Kühlhausstaplers weiter verlängert.

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