鉄道の自動変速機ギアボックス車両

Importance Introduction of Automatic Transmission Gearbox

The locomotive gearbox housing, as the core protective device of the transmission system, its performance directly determines the reliability of power transmission and the service life of the equipment. This article will systematically analyze the technical characteristics and practical value of this key component from three dimensions: engineering mechanics, materials science, and industrial application.

Performance Parameter of Automatic Transmission Gearbox

1. The Mechanical Properties

The mechanical properties are made by casting vermicular graphite cast iron (CGI450) or high-grade ductile iron (QT600-3), and the Brinell hardness is 180-240HB, and the tensile strength is over 600MPa through normalizing and tempering treatment. The wall thickness of the box body has been optimized through finite element analysis. The key load-bearing parts are designed with a gradient structure of 10-15mm, which can not only withstand the maximum torque load of 32000N·m impact, but also achieve the optimization of quality.

2. The Dynamic Stability

The dynamic stability is equipped with a patented resonant buffer structure, featuring 8 sets of built-in elastic damping modules, which can reduce the 120dB noise caused by gear meshing to below 75 dB. ベンチテストによる検証済み, under the working condition where the rotational speed fluctuation range is ±15%, the amplitude is always controlled within 0.05mm.

3.The Environmental Adaptability

The environmental adaptability surface composite coating system consists of 80μm epoxy primer +120μm polyurethane topcoat, and has no rust after 2000 何時間もの塩水噴霧試験. The specially designed flow-directing heat dissipation fins enable the box to maintain a linear expansion coefficient of 0.02mm/m within the temperature range of -40℃ to 150℃, ensuring dimensional stability under extreme climates.

Functions of Automatic Transmission Gearbox

1.The precision sealing system adopts a three-stage dynamic sealing scheme: labyrinth metal sealing ring (radial clearance 0.1-0.15mm) combined with fluororubber axial oil seal, and combined with liquid sealant to form a composite barrier. The measured leakage rate is less than 0.5ml/h, meeting the IP67 protection grade requirements.

2.The intelligent monitoring interface reserves installation positions for the vibration sensor (0- 10 kHz frequency response) and the temperature probe (±0.5℃ accuracy), and is used in conjunction with the 5G communication module to achieve real-time status monitoring. The data acquisition system can capture micron-level deformations and warn of potential faults 200 数時間前に.

3.The modular maintenance design features a unique quick-release inspection cover plate, which uses high-strength titanium alloy fasteners (M24×1.5). Combined with a hydraulic auxiliary device, the box opening operation can be completed within 30 分. The interior is equipped with a visual lubricating oil window and an integrated particle counter for real-time monitoring of the oil product status.

Applications of Automatic Transmission Gearbox

1.In the field of rail transit, in the high-speed rail power unit, the new lightweight aluminum matrix composite material shell has successfully reduced weight by 35%, and combined with the aerodynamic design, it has increased the efficiency of the traction system by 12%. The application case of a certain type of intercity EMU shows that the improved shell has extended the maintenance cycle from 120,000 キロメートルまで 240,000 キロメートル.

2.In the field of special vehicles, the gearbox of mining trucks adopts a double-layer armor structure. The outer layer of a 6mm wear-resistant steel plate (HB400) can resist the impact of flying stones, and the inner layer of damping alloy effectively isolates the vibration transmission. It was measured that in an environment with a dust concentration of 200mg/m³, the filtration system could still ensure a cleanliness level of 99.97%.

3.The new energy adaptation solution is an integrated housing developed for hybrid locomotives, reserving space for the installation of motor controllers and high-voltage wiring harness channels, achieving seamless connection between the transmission system and the electric drive unit. The thermal management system adopts a dual-circulation cooling design to keep the gear oil temperature stable within the optimal working range of 85±5℃.

Technological Evolution of Automatic Transmission Gearbox

The current technological evolution focuses on two major directions: functional integration and intelligent operation and maintenance. The latest smart housing launched by a leading manufacturer has integrated a strain sensor array and a self-healing coating system, which can correct microcracks in real time and automatically adjust the internal pressure balance. With the in-depth application of topology optimization algorithms and 3D printing technology, the next generation of products will achieve a 20% breakthrough in lightweight while maintaining structural strength, providing fundamental support for the energy efficiency revolution of rail transit equipment.

Package of Automatic Transmission Gearbox

ポリ袋+カートンボックス+木製ケース/パレット, 顧客の要求に応じて

会社概要

洛陽豊洋重工業株式会社, 株式会社. に設立されました 1998, 面積72,600㎡, 以上の 300 従業員, 32 技術者, 含む 5 シニアエンジニア, 11 アシスタントエンジニア, そして 16 技術者. 洛陽工程技術センターとして評価されています, 洛陽テクノロジーR&Dセンター, 国家ハイテク企業と何度も.
弊社の生産能力は 30,000 年間トン. 現在, 私たちは主に鋳鋼を生産しています, 鋳鉄 (ねずみ鉄, ダクタイル鋳鉄, 等), 機関車の完成品加工および部品組立て,鉄道車両,高速鉄道, 鉱山機械,風力,etc.当社の製品はロシアに輸出されています, 米国, ドイツ, アルゼンチン, 日本, フランス, 南アフリカ,イタリアとその他の国.

よくある質問

Q1: メーカーですか、それとも商社ですか?
あ:当社はメーカーです。当社は年に設立されました。 1998, 鋳造業界で約30年の実績, 総面積72,600㎡, 工場建屋面積51,000㎡.
第2四半期. 主な製品は何ですか?
あ: 当社は主に鋼鋳造に注力しています, 鉄鋳物, 完成品加工, 機関車の部品組立生産,鉄道車両,高速鉄道, 鉱山機械,風力,等.
Q3: 鋳造部品をどの程度の精度で製造できるか?
あ: 当社はさまざまな鋳造プロセスで鋳造部品を製造する能力を持っています. 生産はISOに厳密に準拠しています 9001, ISO 14001 ISO45001、EN15085, 虹彩.
Q4. サンプル通りに生産してもらえますか?
 はい, あなたのサンプルまたは技術図面から生産できます. サンプルを入手した後、図面を作成することもできます.
Q5: 納品前の品質管理はどのように行っていますか?
あ: 品質検査は鋼鋳造部品の品質を保証する非常に重要な要素です. 私たちはフォローします 3 生産プロセス全体における検査回数. 材料試験レポートを提供します, 寸法試験レポート, 納品前に顧客に報告する機械的特性試験レポート.

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