高转速电动装载机变速箱轴承润滑冷却系统

By designing a lubrication and cooling system for the gearbox, including the housing, cover, circulating pump, and radiator, in the high-speed electric loader gearbox, the bearing lubrication and cooling requirements were solved, achieving efficient lubrication and cooling effects and avoiding the risk of spontaneous combustion at high temperatures.

CN224515892UActive Publication Date: 2026-07-17LONGGONG FUJIAN QIAOXIANG CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
LONGGONG FUJIAN QIAOXIANG CO LTD
Filing Date
2025-07-03
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

The lubrication requirements of the gearbox bearings in high-speed electric loaders are difficult to meet. Ordinary splash lubrication methods are not feasible and may lead to high-temperature spontaneous combustion. Furthermore, gearboxes that do not use hydraulic shifting lack effective lubrication and cooling methods.

Method used

Design a lubrication and cooling system including a housing, a housing cover, a circulating pump, and an external radiator. The system uses hydraulic oil for spray lubrication and circulating cooling to achieve bidirectional lubrication and cooling of the bearing, and uses the circulating pump and radiator to reduce the temperature of the lubricating oil.

Benefits of technology

It achieves efficient bearing lubrication and cooling, has a simple structure and low cost, is suitable for high-speed electric loader gearboxes, and avoids the risk of spontaneous combustion at high temperatures.

✦ Generated by Eureka AI based on patent content.

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Abstract

本实用新型公开了一种高转速电动装载机变速箱轴承润滑冷却系统,包括箱体、箱盖、一轴、二轴、三轴、循环泵和外接散热器;所述箱体的上部内设水平润滑油路,所述箱盖内设箱盖润滑油路,该箱体的顶部设有进油口和喷淋口,分别与箱体水平润滑油路连通;所述箱体水平润滑油路的左端至一轴的左轴承位,右端与所述箱盖内设油路连通;所述二轴和三轴的轴向均内设水平润滑油路,该水平润滑油路的左端至左轴承位,右端与箱盖内设油路连通,以实现轴两端轴承的双向润滑;所述箱体的底部一侧设有出油口,该出油口通过油管在依次连接循环泵和外接散热器后接回进油口。本实用新型结构简单紧凑、制作与维护成本低、轴承润滑和冷却效果好。
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Claims

1. A high-speed electric loader gearbox bearing lubrication and cooling system, comprising a housing (1), a housing cover (4), a primary shaft (5), a secondary shaft (6), and a tertiary shaft (7); characterized in that, It also includes a circulating pump (9) and an external radiator (10); the upper part of the housing (1) is provided with a horizontal lubricating oil passage, the housing cover (4) is provided with a housing cover lubricating oil passage, the top of the housing (1) is provided with an oil inlet (2) and a spray nozzle (3), which are respectively connected to the horizontal lubricating oil passage of the housing; the left end of the horizontal lubricating oil passage of the housing is connected to the left bearing position of the first shaft (5), and the right end is connected to the oil passage provided in the housing cover; the axial directions of the second shaft (6) and the third shaft (7) are both provided with horizontal lubricating oil passages, the left end of the horizontal lubricating oil passage is connected to the left bearing position, and the right end is connected to the oil passage provided in the housing cover, so as to realize bidirectional lubrication of the bearings at both ends of the shaft; the bottom side of the housing (1) is provided with an oil outlet (8), which is connected to the oil inlet (2) after being connected to the circulating pump (9) and the external radiator (10) in sequence through an oil pipe.