Anchor mooring construction surveying method for contact network in tunnel
A technology of construction survey and catenary, which is applied in the direction of measuring devices, measuring instruments, measuring inclination, etc., can solve the problems of inconvenient operation, large measurement error, and high difficulty of measurement, and achieve the solution of inconvenient use and operation, convenient installation and layout, and anti-corrosion Good dust performance
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[0066] like figure 1 As shown in a method for measuring the anchoring construction of the catenary in the tunnel, the constructed catenary is divided into a plurality of anchor sections along the longitudinal extension direction of the tunnel hole 3 from front to back, and anchors are arranged between the front and rear anchor sections. segment joint; the anchor segment joint includes a lower anchor device, the lower anchor device includes a support device, a contact suspension device and a compensation device 7, and the contact wire 5 of the constructed catenary is suspended from the support device through the contact suspension device Above, the support device is an anchor arm 6 whose upper end is fixed on the wall of the tunnel hole (3). When installing the anchoring device, the process is as follows:
[0067] Step 1. Installation of the support device: Install the anchor arm 6 of the currently installed anchor lowering device.
[0068] Step 2: Installation of the compens...
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