Electric line pit measuring instrument
A technology for power lines and measuring instruments, applied in the direction of angle/taper measurement, etc., can solve the problems of complex and cumbersome construction procedures, affecting construction efficiency, etc., and achieve the effect of improving erection efficiency, ensuring construction quality, and simple structure
Inactive Publication Date: 2014-03-05
STATE GRID CORP OF CHINA +1
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Problems solved by technology
[0002] In the erection process of high-voltage lines, the use of π-shaped rods is more common. During installation, the angle between the horizontal line of the π-shaped rod and the line direction pile should be 90 degrees. Now in actual construction, multiple workers are required If the measuring tape adopts the Pythagorean theorem, use multiple measuring tapes to form a right-angled triangle with three meters, four meters and five meters respectively. After confirming the right angle, install it and measure the pit position according to the angle. The construction process is complex, cumbersome and serious. Affect construction efficiency
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[0007] The embodiment is described in detail with reference to the accompanying drawings, a power line sub-pit measuring instrument, which includes a telescopic ruler 1, two telescopic rulers are connected by a rotating shaft 3, and a right-angle stopper 2 is also provided on the rotating shaft. When the present invention is in use, the angle can be determined by the telescopic ruler and the right-angle limiter, and then the marks on the telescopic ruler can be used to conveniently select the required pits on the ground to ensure the positions of multiple pits Symmetry improves the erection efficiency of high-voltage lines and ensures the construction quality of the lines.
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The invention discloses an electric line pit measuring instrument which is simple in structure and convenient to use. According to the technical scheme, the electric line pit measuring instrument comprises two telescopic rulers which are connected through a rotation shaft, and the rotation shaft is further provided with a right-angle limiting stopper. The electric line pit measuring instrument is simple in structure, and capable of improving erection efficiency of high-voltage lines and guaranteeing construction quality of lines.
Description
Technical field: [0001] The invention relates to electric power construction, in particular to a power line sub-pit measuring instrument used when installing a π-shaped rod used in a high-voltage line. Background technique: [0002] During the erection of high-voltage lines, the use of π-shaped rods is more common. During installation, it is required that the angle between the horizontal line of the π-shaped rod and the line direction pile should be 90 degrees. Now in actual construction, multiple workers are required If the measuring tape is used to adopt the Pythagorean theorem, multiple measuring tapes are used to form a right-angled triangle of three meters, four meters, and five meters. After the right angle is determined, the installation is carried out, and the pit position is determined according to the angle. The construction process is complex and cumbersome. affect construction efficiency. Invention content: [0003] The object of the present invention ...
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IPC IPC(8): G01B5/24
Inventor 贠荣国勾雷苏高峰王新铭李佳桐
Owner STATE GRID CORP OF CHINA
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