Total station instrument and lofting and guiding method thereof

Abstract

The invention relates to a total station instrument and a lofting and guiding method thereof. The total station instrument comprises a driver and a laser device which are successively connected with a processor unit, wherein emission optical fiber, a collimating lens used for compressing laser into a beam of collimating laser, a reflecting component and an objective lens are successively arranged on an output laser path of the laser device; a beam splitter prism is coaxially arranged on the rear side of the reflecting component; an image sensor is arranged on one side of the beam splitter prism and is connected with an image processor; the image processor is connected with the processor unit; the processor unit is used for controlling the laser device to generate laser through the driver; the laser successively passes through the emission optical fiber and the collimating lens, then the laser successively passes through the reflecting component and the objective lens to form parallel laser, and the parallel laser is emitted out; the laser is reflected back after meeting a reflecting prism at a target end and is emitted to the image sensor through the objective lens and the beam splitter prism; then reflection laser spots are formed in the image sensor; and then the image processor can obtain an image with reflection laser spots and send the image to the processor unit.

Description

technical field [0001] The invention relates to a total station and a method for coordinating construction lofting and excavation guidance of a pipe jacking machine. Background technique [0002] The traditional stakeout guide uses two beams of different colors with a certain divergence angle to indicate. The characteristics of the two beams are distributed on the left and right sides of the collimation axis, and they do not interfere with each other. With different flicker frequencies, the target placement personnel observe the beam The target is placed at the junction position. This method solves the problem that when the target is far away from the measurement position, it can be quickly placed to a closer position to the approximate stakeout point. The disadvantage is that due to the large range of unsure positions of the beam observed by the human eye, the final placement is accurate. It needs to be realized by the observers on the instrument side directing the target p...

AI Technical Summary

Problems solved by technology

[0002] The traditional stakeout guide uses two beams of different colors with a certain divergence angle to indicate. The characteristics of the two beams are distributed on the left and right sides of the collimation axis, and they do not interfere with each other. With different flicker frequencies, the target placement personnel observe the beam The target is placed at the junction position. This method solves the problem that when the target is far away from the measurement position, it can be quickly placed to a closer position to the approximate stakeout point. The disadvantage is that due to the large range of unsure positions of the beam observed by the human eye, the final placement is accurate. It needs to be realized by the observers on the instrument side directing the target placement personnel through the walkie-talkie, which is time-consuming and laborious

The speed of light is limited by the safe power and has a large divergence angle, so the distance that can be measured is mostly within 150 meters. In case of strong sunlight background outside, the distance that can be observed becomes shorter

[0003] The traditional excavation guiding device of the pipe jacking machine uses the laser beam of the laser beam to aim at the target position, and controls the direction of pipe jacking excavation by observing the relative changes between the target object and the position of the laser point. The disadvantage is that it is limited by the laser safety power and With a certain divergence angle, the general visible distance is within 300 meters, and the greater the distance, the larger the laser point, and the larger the indication error will be.

Images