Boom device and concrete pump truck
A technology for concrete pump trucks and booms, which is applied in hoisting devices, transportation and packaging, and processing of building materials, etc. It can solve the problems of unsatisfactory layout of super-long booms, limited layout space, and limited increase in the number of boom sections, etc. question
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[0036] In order to enable those skilled in the art to better understand the technical solutions of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0037] Please see figure 2 , image 3 , Figure 4 , figure 2 Schematic diagram of the structure of the boom device provided for a specific embodiment of the present invention; image 3 for figure 2 Schematic diagram of the layout of the transfer platform and the first jib; Figure 4 for image 3 Schematic diagram of the arrangement of the first section jib and the second section jib.
[0038] Such as figure 2 , image 3 , Figure 4As shown, the present invention provides a kind of arm frame device, is used for construction machine, and this arm frame device comprises the multi-section arm frame that hinges in sequence, and turntable 2 is arranged on the chassis and is positioned at the middle part of construc...
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