Working device of wheel type telescopic arm loader

Abstract

The invention relates to a working device of a wheel type telescopic arm loader. The working device is characterized by being composed of a front frame, a telescopic arm stage I arm, a telescopic armstage II arm, a bucket, an amplitude-increasing oil cylinder, a slave oil cylinder, a telescopic oil cylinder, a bucket rotation oil cylinder and the like. The working device of the wheel type telescopic arm loader takes the amplitude-increasing oil cylinder as a driving component, and the amplitude-increasing oil cylinder is hinged to the two sides of the telescopic arm stage I arm to realize thelifting and lowering of a telescopic arm; meanwhile, the rear end of the telescopic arm stage I arm is hinged to the front frame, the relative movement of the telescopic arm stage II arm and the telescopic arm stage I arm is controlled through the telescopic oil cylinder, and the telescopic arm stage II arm and the telescopic arm stage I arm are supported by a nylon sliding block; and a six-linkbucket turnover mechanism is designed at the front end of the telescopic arm stage II arm, in the six-link bucket turnover mechanism, the bucket rotation oil cylinder is a driving link, and the rotation angle requirements of the bucket in the limit position can be met. According to the working device, the loader has a bucket rotation angle range similar to that of an ordinary wheel type loader, and further has a higher unloading height and a larger working range.

Description

Technical field: [0001] The invention relates to the field of engineering machinery, in particular to a working device for a wheeled telescopic arm loader Background technique: [0002] Loaders have been widely used in various fields at present, but due to the structural characteristics of the fixed arm length of ordinary loaders, for some special loading occasions such as forest farms, large warehouses, docks, etc., it is difficult for ordinary loaders to complete the required larger Wider loading and unloading height and working range requirements, although the current solution is to replace the working attachment with a bucket before the telescopic forklift is loaded, but due to the limitation of the mechanical structure, compared with the traditional loader, the lifting Under the condition of height improvement, it is difficult for the telescopic arm forklift truck after changing the bucket to ensure the same large bucket rotation angle as the ordinary loader, and the ra...

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Problems solved by technology

[0003] Chinese Patent Publication No. CN 206554141U, published on October 13, 2017, the name of the patent is a front telescopic arm mechanism of a loader, the patent application discloses a telescopic arm mechanism of a loader, the telescopic arm mechanism consists of attachment , jib, main arm, luffing cylinder, leveling cylinder, front frame, telescopic cylinder, dump cylinder, etc. Although this patent enables the loader to achieve a higher lifting height and a larger working range, it is not enough The disadvantage is that there is no guarantee that the bucket can reach the limit position of the standard rotation angle of ordinary loaders at the highest position and the lowest position, and when the bucket is subjected to a biased load, it will generate a large torque on the telescopic arm, which is easy to make the entire loader Aircraft overturned

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