The invention discloses a steering and lifting control device for a crawler type tractor. According to the steering and lifting control device for the crawler type tractor, steering of the tractor and lifting of a hanging mechanism can be controlled through one control lever. The steering and lifting control device for the crawler type tractor is characterized by comprising U-shaped frames, a control lever is installed on a rotary shaft, a first steering connecting block, a lifting assisting mechanism, L-shaped limiting blocks, and a first lifting connecting block are arranged on the four sides of the control lever, a torsional spring is arranged on a sleeve, and a shifting block is further arranged between the two tail ends of the torsional spring; the lifting assisting mechanism comprises a second sleeve, a second rotary shaft is arranged in the second sleeve, a fastening mechanism is arranged at one end of the second rotary shaft, the second L-shaped limiting block is arranged between the fastening mechanism and the second U-shaped frame, a second torsional spring is arranged on the second sleeve, an L-shaped shifting block is arranged between the two tail ends of the second torsional spring, a first link mechanism is arranged on the first steering connecting block, and a second link mechanism is arranged on the first lifting connecting block. According to a control method of the steering and lifting control device for the crawler type tractor, steering of the tractor and lifting of the hanging mechanism are controlled through one control lever.
Steering and lifting control device for crawler type tractor and control method thereof
2015-07-22
Patent
Electronic Resource
English
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