纯电动装载机变速箱输出轴总成

Abstract

本实用新型公开了一种纯电动装载机变速箱输出轴总成：前输出齿轮通过两个滚针轴承配合在输出轴上为前中间轴齿轮传递动力，后输出齿轮通过两个滚针轴承配合在输出轴上为后中间轴齿轮传递动力；输出轴前后端均设有带外螺纹的突出段，用于与尼龙自锁螺母配合；尼龙自锁螺母设两个，分别通过轴端挡板将前、后输出法兰锁紧在输出轴两端带外螺纹的突出段上，实现对前输出法兰、测速齿轮、前轴承内端面的轴向限位，以及对后输出法兰、后轴承内端面轴向限位。本实用新型结构简单、制作与维修成本低、输出法兰锁紧强度高、轴承使用寿命长，解决了现有输出法兰锁紧螺栓直径受输出轴端直径限制造成强度不足容易断裂及滑动轴承承载转速低寿命短的问题。

Claims

1. A pure electric loader gearbox output shaft assembly, comprising a front output flange (1), a front oil seal seat (2), a speed sensor (3), a housing (4), a front bearing (5), a spacer (6), a front output gear (7), a front intermediate shaft gear (8), a front limit pin (9), a gear sleeve (11), a rear limit pin (12), a rear intermediate shaft gear (13), a rear bearing (14), a retaining ring (15), a large O-ring (16), a housing cover (17), an oil seal (18), a brake disc (19), a brake disc washer (20), a brake disc bolt (21), a rear output flange (22), a shaft end baffle (23), a small O-ring (25), a rear oil seal seat (26), an output shaft (27), a rear output gear (28), a shift fork (29), and a front oil seal seat pad. The components include: a ring (30), a front oil seal seat bolt (31), and a speed measuring gear (32); the front output flange (1) and the rear output flange (22) are installed at the front and rear ends of the output shaft (27) by spline fitting; two spacers (6) are provided to axially limit the front output gear (7) and the rear output gear (28) respectively; the output shaft (27) is supported and installed on the housing (4) and the housing cover (17) respectively by the front bearing (5) and the rear bearing (14); the front oil seal seat (2) is locked on the housing (4) by the front oil seal seat washer (30) and the front oil seal seat bolt (31) to axially limit the outer end face of the front bearing (5); the retaining ring (15) is fixed on the housing cover (17) by the retaining ring groove to axially limit the rear bearing (14); the characteristics are as follows: It also includes needle roller bearings (10) and nylon self-locking nuts (24); the front output gear (7) is connected to the output shaft (27) through two needle roller bearings (10) as the power transmission of the front intermediate shaft gear (8), and the rear output gear (28) is connected to the output shaft (27) through two needle roller bearings (10) as the power transmission of the rear intermediate shaft gear (13); the front and rear ends of the output shaft (27) are respectively provided with protruding sections with external threads for cooperating with nylon self-locking nuts (24); there are two nylon self-locking nuts (24), which respectively lock the front output flange (1) and the rear output flange (22) to the protruding sections with external threads at both ends of the output shaft (27) through shaft end baffles (23), thereby realizing axial limiting of the inner end face of the front output flange (1), the speed measuring gear (32), and the front bearing (5), as well as axial limiting of the inner end face of the rear output flange (22) and the rear bearing (14).

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