Boîte de vitesses ferroviaire: Paramètres techniques, Caractéristiques, et applications dans les EMU à grande vitesse, Trains de marchandises et plus encore

PARAMÈTRES DU PRODUIT

Matériel: fonteArtisanat de transformation: Drawings→ mould making → die casting →rough machining → CNC machining →surface treatment →product checking→ packing →delivery Inspection:1.Fonderie en interne: 100% inspection sur la dimension critique; 100% sur l'apparence. 2.Inspection par un tiers disponible sur demande Certificats: ISO9001, ISO14001, DANS 15085 et IRIS Personnalisation: OEM,ODM

DEMANDER UN DEVIS

Description

DEMANDER UN DEVIS

Description

Overview of Railway Gearbox

Railway gearboxes, as key components of railway vehicle transmission systems, play an irreplaceable role in ensuring smooth and efficient train operation. They act as the “masters of conversion” for train power, accurately and efficiently transmitting the power generated by the power unit to the wheels, enabling trains to maintain their desired speeds under various road conditions. Whether high-speed EMUs zipping through cities at lightning speed or heavy-duty freight trains steadily hauling large loads of cargo over long distances, they all rely on the support of high-performance railway gearboxes.

Technical Parameters of Railway Gearbox

Parameter Category	Detailed Parameters
Gear Ratio	The typical range is 2:1 à 5:1, customized based on train type (par ex., trains à grande vitesse, intercity trains, freight trains) and operational requirements to achieve appropriate speed-torque conversion.
Rated Power	Depending on the train’s power system configuration, it ranges from several hundred kilowatts (such as some light intercity trains) to several megawatts (such as high-speed EMUs and heavy-duty freight trains).
Input Speed	Typically ranges from 1000 à 3000 tr/min, matching the speed characteristics of the power source (par ex., diesel engine, electric motor).
Output Torque	Depending on the train’s traction requirements, it can range from thousands of Newton-meters to hundreds of thousands of Newton-meters, ensuring the train can overcome various resistances during starting, accélération, and climbing.
Operating Temperature Range	En général, it operates in ambient temperatures between -40°C and +60°C. Some specialized models can accommodate a wider temperature range to accommodate diverse regional climates.
Lubrication Method	Forced lubrication or splash lubrication is typically used to ensure adequate lubrication of key components such as gears and bearings, reducing wear and extending service life.
Noise Level	During normal train operation, the noise level measured at 1 meter from the gearbox typically does not exceed 85dB(UN), ensuring interior comfort and minimizing noise pollution.

Features of Railway Gearbox

High Reliability

Railway operations place extremely high demands on safety. Railway gearboxes utilize high-strength materials and advanced manufacturing processes. Key components such as gears and shafts undergo precision forging, traitement thermique, and machining, resulting in excellent fatigue and wear resistance. These components maintain stable and reliable operation even under long periods of continuous operation and complex operating conditions, significantly reducing the probability of failure and providing a solid foundation for railway transportation safety.

Efficient Transmission

By optimizing the gear tooth profile, meshing parameters, and housing structure, railway gearboxes achieve highly efficient power transmission, typically achieving a transmission efficiency exceeding 97%. This minimizes power loss during transmission, allowing more energy to be converted into traction for the train, thereby improving energy efficiency and reducing operating costs.

Excellent Sealing

To prevent lubricant leakage and the ingress of foreign matter (such as dust and moisture) that could affect the gearbox’s operation, railway gearboxes utilize a multi-layered sealing structure. These seals are meticulously designed and rigorously tested to maintain excellent sealing performance in a variety of harsh environments, ensuring cleanliness and lubrication within the gearbox and extending component life.

Intelligent Monitoring and Maintenance

Modern railway gearboxes are equipped with advanced sensors and monitoring systems that monitor their operating status in real time, such as temperature, vibration, and noise. By analyzing and processing this data, potential faults can be promptly identified and early warning signals issued, allowing maintenance personnel to take appropriate measures for inspection and maintenance. This shift from traditional scheduled maintenance to condition-based maintenance improves maintenance efficiency and reduces downtime.

Application of Railway Gearbox

High-Speed EMUs

On high-speed EMUs, the railway gearbox is a core component of the transmission system. It converts the high-speed rotational power of the electric motor into low-speed, high-torque power suitable for wheel rotation. This allows the EMU to quickly accelerate to high-speed operation and maintain stable power transmission during high-speed operation, providing passengers with a comfortable and fast travel experience.

Intercity Trains

Intercity trains are primarily used for short-distance transportation between cities, with frequent stops and starts. Railway gearboxes must possess excellent acceleration and deceleration performance, quickly responding to train operating instructions and ensuring smooth starting, arrêt, and speed changes. En outre, their compact design fits within the limited space requirements of intercity trains.

Heavy-Haul Freight Trains

Heavy-Haul freight trains carry large amounts of freight, placing extremely high demands on traction and power transmission. Railway gearboxes provide high torque output, ensuring the train can overcome the weight of the cargo and running resistance, allowing for smooth starting, accélération, and climbing. En outre, their high reliability and durability meet the demands of long-term, high-load operation of heavy-haul freight trains.

Metro and Light Rail Vehicles

Gearboxes also play a vital role in urban metro and light rail transit systems. They enable vehicles to flexibly start and stop, change speeds, and steer on complex urban rail routes, adapting to varying operating environments and passenger flow. En outre, their low-noise design helps minimize impacts on the urban environment and residents’ lives.

Paquet de Boîte de vitesses ferroviaire

Poly-sac + boîte en carton + caisse en bois/palette, selon la demande du client

Profil de l'entreprise

Luoyang Fonyo Heavy Industries Co., Ltée. a été fondée en 1998, couvre une superficie de 72 600㎡, avec plus de 300 employés, 32 techniciens, y compris 5 ingénieurs supérieurs, 11 ingénieurs adjoints, et 16 techniciens. Il a été classé centre technologique d'ingénierie de Luoyang., Technologie Luoyang R&Centre D, et entreprise nationale de haute technologie à plusieurs reprises.
Notre capacité de production est 30,000 tonnes par an. Actuellement, nous produisons principalement de l'acier moulé, fonte (fonte grise, fonte ductile, etc.), traitement du produit fini et assemblage des composants pour locomotive,wagon,trains à grande vitesse, équipement minier,énergie éolienne,etc. Nos produits ont été exportés vers la Russie, les États-Unis, Allemagne, Argentine, Japon, France, Afrique du Sud,Italie et autres pays.

FAQ

T1: Êtes-vous un fabricant ou une société commerciale?
UN: Nous sommes un fabricant. Notre entreprise a été fondée en 1998, avec près de 30 ans d'expérience dans l'industrie du moulage, une superficie totale de 72 600㎡, avec une superficie de construction d'usine de 51 000㎡.
T2. Quels sont vos principaux produits?
UN: Nous nous concentrons principalement sur le moulage d'acier, fonte de fer, usinage du produit fini, et production d'assemblages de composants pour locomotives, wagon, trains à grande vitesse, équipement minier, énergie éolienne,etc..
T3: Avec quelle précision pouvez-vous produire des pièces moulées?
UN: Nous avons la capacité de produire des pièces moulées avec différents procédés de coulée. La production est strictement conforme à la norme ISO 9001, OIN 14001 et ISO45001, EN15085, IRIS.
T4. Pouvez-vous produire selon les échantillons?
Oui, nous pouvons produire par vos échantillons ou dessins techniques. Nous pouvons également créer des dessins pour vous après avoir reçu vos échantillons.
Q5: Comment effectuez-vous le contrôle qualité avant la livraison?
UN: L'inspection de la qualité est un facteur très important pour garantir la qualité des pièces moulées en acier. Nous suivons 3 temps d'inspection pendant tout le processus de production. Et nous fournirons un rapport de test de matériaux, rapport d'essai dimensionnel, et rapport d'essais de propriétés mécaniques à nos clients avant la livraison.

Si vous êtes intéressé par des produits,n'hésitez pas à nous contacter.
Contact: Stella Liu
E-mail:[email protected]
WhatsApp: +86-152-3615-7103