Longitudinal positioning and connecting device for support arch frame of underground project and construction method
A technology of longitudinal positioning and connection device, applied in underground chambers, shaft equipment, earth-moving drilling and other directions, can solve the problems of low accuracy, waste of personnel, and long time for arch positioning, and achieve high installation accuracy and convenient connection. , the effect of improving construction safety
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[0053] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0054] Such as Figure 5 and Figure 6 As shown, an underground engineering supporting arch positioning connection device includes a second fixing device 1 , a connecting rod 6 , a first fixing device 2 , a threaded fixing pipe 4 and a bearing clamp 3 . The second fixing device 1 and the first fixing device 2 are respectively welded on both sides of the side of the arch 9 and arranged coaxially. The tail end of the connecting rod 6 is connected to the first positioning and fixing device 2 of the assembled arch 9, and the head is connected to the second fixing device 1 of the assembling arch 9 to complete the gap between the assembling arch 9 and the assembled arch 9 positioning and fixing, thereby realizing the rapid positioning and assembling of the arch frame 9.
[0055] The second fixing device 1 and the first fixing device 2 are welded at the cen...
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