Transmission system of AC battery electric forklift

Abstract

The invention relates to a transmission system of an AC battery electric forklift. The transmission system includes a differential assembly, a speed reducer, a drive axle housing, a left brake, a right brake, a brake drum and a hub, a left half shaft and a right half shaft, and the speed reducer includes a double gear, a small double gear and pinion. The drive axle housing includes three parts: the left axle housing, the main housing of the reducer and the right axle housing; the left axle housing includes the reduction box body and the left tubular shaft connected in sequence; the reduction box body is in the shape of a clamshell, and one side of the upper part For the left cannula. The main casing of the reducer includes a horizontal barrel-shaped casing. The upper part of the cylindrical casing is a differential chamber, and the lower part protrudes downwards as a wheel shaft chamber. The differential assembly is located in the differential chamber. cavity. The right axle housing includes a right axle housing and a right tubular shaft, one end of the right axle housing is in the shape of an end cap, and the other end is a right bushing. The invention has the advantages of compact structure, good processing technology, low manufacturing cost, good assembly technology and convenient maintenance.

Description

Technical field [0001] The present invention is the technology field of the transmission system of transportation vehicles, which involves the transmission system that exchanges the battery electric forklift. Background technique [0002] Depend on Figure 6 It can be seen that the transmission system of the domestic 2-2.5T communication battery electric forklift is mostly a relatively independent structural form of the driving bridge and the reducer. After the reduction box and the driving bridge are assembled, they are connected with a bolt of bolts.The bridge shell structure is the overall cast -type bridge shell or welding bridge shell (welding of stamping parts, welding formation of steel parts), etc. The main problems of the above bridge shell structure are as follows: 1. The overall cast -type bridge shell is large and bulky;Due to the intensity requirements of the key carrier site, the utilization rate of materials is not high, and the requirements for processing operation...

AI Technical Summary

Problems solved by technology

The axle housing structure is an integral cast axle housing or a welded axle housing (stamping parts welding, cast steel welding form), etc. The main problems of the above axle housing structure are as follows: 1. The integral casting axle housing is heavy and heavy; Due to the strength requirements of key load-bearing parts, the utilization rate of materials is not high. In addition, the requirements for processing and operation space are also large, and the processing is difficult.

2. Although the welded axle housing is more beautiful, you can choose higher quality materials to improve the performance of the key parts, but it requires a lot of molds, the manufacturing cost is high, and the environmental protection is poor, and the working environment of the workers is also relatively bad; 3. Bridge The versatility and interchangeability of the shell are not good; 4. When the vehicle frame and the drive axle are in a flexible connection structure, it is necessary to install two outstretched connecting plates 5 on both sides of the bridge body, and the frame is connected to the connecting plate through bolts. 5 fixed connection to realize the connection between the frame and the bridge; but for electric pallet trucks when the motors are arranged in parallel, due to the limitation of the opening size of the frame and the bending degree of the connecting plate 5, the detachable operation space of the motor is very small, and the maintenance process bad sex

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