Rotary drilling rig and mast device thereof
A technology for rotary drilling rigs and masts, which is applied in the field of rotary drilling rigs and masts, and can solve the problems of increased damage to parts, increased wear of pin shafts, and high labor costs.
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[0035] The core of the present invention is to provide a mast device for a rotary drilling rig. The anchor bracket and the upper mast of the mast device are easy to fold, which is not only safe but also time-saving and labor-saving, and can also greatly improve the transition efficiency. Another core of the present invention is to provide a rotary drilling rig comprising the above-mentioned mast device.
[0036] In order to enable those skilled in the art to better understand the solution 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 refer to Figure 4 and Figure 5 , Figure 4 It is the front view of the automatic folding mechanism of the anchor bracket provided by the present invention; Figure 5 It is a left view of the automatic folding mechanism of the anchor bracket provided by the present invention.
[0038] In this embodiment, the mast...
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