Shallow natural gas high-gas environment tunnel construction monitoring device
The utility model discloses a shallow natural gas high-gas environment tunnel construction monitoring device. The utility model belongs to the technical field of monitoring devices, including a base,moving wheels are installed at the four corners of the lower portion of the base correspondingly, sup...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model discloses a shallow natural gas high-gas environment tunnel construction monitoring device. The utility model belongs to the technical field of monitoring devices, including a base,moving wheels are installed at the four corners of the lower portion of the base correspondingly, supporting plates are installed at the four corners of the base correspondingly, threaded holes are formed in the middles of the four supporting plates correspondingly, inserting rods are connected to the interiors of the four threaded holes correspondingly, threaded sections are arranged on the fourinserting rods correspondingly, and a lower section supporting frame is fixed to the position, close to the front side, of the upper portion of the base. According to the utility model, the rotating shaft, the upper-section limiting rod, the lower-section limiting rod and the middle-section screw rod are arranged; meanwhile, the middle section screw rod structure is provided with a first semicircular screw rod section, a s |
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