Cylinder set for use in retraction mechanism
A technology of telescopic mechanism and oil cylinder group, which is applied in the direction of concrete transportation, fluid pressure actuation device, etc., can solve the problems of insufficient support strength, inconsistent telescopic stroke, short telescopic length of telescopic mechanism, etc., and achieve simplified overall structure and hydraulic pipeline, The effect of improving safety and service life and increasing structural strength
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[0030] As shown in Fig. 1, Fig. 2 and Fig. 3, the telescopic mechanism has a movable telescopic arm 11, an intermediate arm 12, and a fixed body 13, and the oil cylinder group used for the telescopic mechanism includes the first oil cylinder body 2 installed on the telescopic mechanism 1 and The second oil cylinder body 3, the first oil cylinder body 2 is provided with a first piston rod 4, the second oil cylinder body 3 is provided with a second piston rod 5, and one end of the first piston rod 4 is located in the first oil cylinder body 2, The other end is equipped with a piston rod head 6, and the rod chamber 21 and the rodless chamber 22 of the first oil cylinder body 2 communicate with the rod chamber 31 and the rodless chamber 32 of the second oil cylinder body 3 respectively. The seat is rigidly connected, and the two oil cylinders are arranged in reverse; the first cylinder body 2 is provided with a first cylinder body connecting seat 23, the tail of the first oil cylin...
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