Cart with extension-type wheels
A wheel and trolley technology, which is applied to trolleys, multi-axis trolleys, trolley accessories, etc., can solve the problems of laborious handling, difficult trolleys, low transportation efficiency, etc., and achieve the effect of ensuring lateral stability and uniform support
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[0017] Such as figure 1 and 2 As shown, the cart of the telescopic wheels of the present invention mainly includes a compartment, as well as a handle 1, a compartment baffle plate 2 and a compartment handrail 3; two pairs of four groups of retractable wheel sets 5.1-5.4 are respectively installed at the front and rear of the bottom of the compartment; The retractable wheel set is mainly composed of universal wheels, connecting rod telescopic mechanism and hydraulic cylinder 10 (with oil cylinder rocker 4). The top of the retractable wheel set is the mounting plate 6 and the bottom is the wheel seat 11, which can pass through the mounting holes 7 and bolts. Fixedly connected at the bottom of the compartment, the telescopic rod 8 of the connecting rod telescopic mechanism is fixed between the mounting plate and the wheel seat through the hinge pin 12, and can be stretched under the action of the oil cylinder, and the universal wheel 13 is fixed at the bottom of the wheel seat; ...
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