Travel control device for hydraulic traveling vehicle
A driving control, hydraulic technology, applied in transmission control, components with teeth, climate sustainability, etc., can solve the problems of complex control system, increased cost of hydraulic pump, delayed response, etc., to improve overall efficiency , The effect of ensuring the driving performance and improving the acceleration feeling
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[0121] Embodiments of the present invention will be described below using the drawings.
[0122] FIG. 1 is a diagram showing a wheeled hydraulic excavator to which the present invention is applied. This wheeled hydraulic excavator has an undercarriage 101 and an upper revolving unit 102 rotatably mounted on the upper part of the undercarriage 101 , and a cab 103 and a front attachment 104 for work are provided on the upper revolving unit 102 . . The front attachment 104 has a boom 104a rotatably connected to the main body of the upper swing body 102, an arm 104b rotatably connected to the boom 104a in the up-down and front-back directions, and The bucket 104c connected to the arm 104b in a manner capable of rotating up and down and front and rear, the boom 104a is driven by the boom cylinder 104d, the arm 104b is driven by the arm cylinder 104e, and the bucket 104c is driven by the bucket cylinder 104f. . A hydraulic travel motor 105, a transmission 106, and propeller shaft...
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