A middle tank hydraulic crane
A hydraulic and crane technology, applied in the direction of cranes, etc., can solve the problems that flatbed trucks cannot pass, the width of the conveyor is limited, and the whole machine cannot be transported, so as to save workload, reduce the lateral size and facilitate transportation.
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[0014] The present invention will be described in detail below in conjunction with the drawings, such Figure 1-Figure 3 As shown, the present invention includes a frame 3, a boom 1, a boom lifting cylinder 4, a boom rotating cylinder 6, etc. Support devices 2 are arranged on both sides of the frame 3; telescopic devices are arranged between the frames 3 on both sides, The telescopic device includes a frame telescopic cylinder 5 arranged at the bottom of the frame and a telescopic beam 7 arranged on the upper part of the frame.
[0015] The frame telescopic device includes two frame telescopic cylinders 5, the piston rod of the frame telescopic cylinder 5 is axially connected with the bottom of the frame 2, and the two frame telescopic cylinders 5 are axially connected.
[0016] The supporting device 2 includes a supporting arm 21, which is axially connected to the piston rod of a supporting arm telescopic cylinder 22 arranged in the frame, and the supporting arm 21 can rotate arou...
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