Longitudinal positioning connection device and construction method of underground engineering support arch
A technology of longitudinal positioning and construction method, which is applied in underground chambers, shaft equipment, earthwork drilling and mining, etc. It can solve problems such as low precision, long time taken for arch positioning, and waste of personnel, so as to achieve high installation accuracy and improve construction The effect of security and convenient connection
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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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