40results about How to "Calibration operation is simple" patented technology

The invention discloses a track geometric irregularity inspection method based on a two-dimensional laser displacement sensors. The track geometric irregularity inspection method comprises the steps of mounting a left laser sensor and a right laser sensor which are two-dimensional laser sensors, a longitudinal inclinometer, a transverse inclinometer, gyroscopes, a transverse accelerometer, a leftvertical accelerometer and a right vertical accelerometer at an inspection beam, and carrying out a gauge inspection, a height inspection, a track alignment inspection, a level superelevation inspection, a warping inspection, a curvature inspection and a track verticality and lateral wear measurement. The invention adopts the high-speed two-dimensional laser displacement sensors which have high anti-jamming capability. Based on the two-dimensional laser sensors, without a complex image processing step and by virtue of simple and effective back-end algorithm processing, the track geometric irregularity inspection method has higher inspection and calculation speed and can effectively eliminate the influence of vehicle body vibration on inspection results. The inspection results have high repeatability and can be compensated, so that the inspection precision is higher.

The invention discloses an engine gear position control system, comprising a controller, an accelerator knob, and an operating handle. The accelerator knob is provided with at least two engine gear positions, and each engine gear position corresponds to a different engine speed and power output. There is a full power output button for controlling the full power output of the engine; when the full power output button is pressed, the controller controls the full power output of the engine, otherwise, the corresponding engine speed output of the engine is controlled according to the engine gear of the throttle knob. The invention also provides a rotary drilling machine. The invention can quickly apply to harsh working conditions such as sudden increase in the load of the rotary drilling rig in a short time, prolongs the service life of the engine, and improves the construction efficiency; the engine start protection module can effectively prevent the machine operator from starting the engine in an irregular manner; the calibration module realizes one key The calibration function makes the calibration operation simple and convenient for the machine operator.

The invention provides a laser radar calibration device based on space-time transformation, which is used for calibration of an all-solid-state three-dimensional planar array laser radar. The laser radar calibration device comprises a to-be-calibrated three-dimensional planar array laser radar installation portion, a cooperative calibration target installation part, an ambient light shielding boxbody, a directional reception active light source conduit and a time delay module, wherein the to-be-calibrated three-dimensional planar array laser radar installation portion, the cooperative calibration target installation part, the ambient light shielding box body, the directional reception active light source conduit and the time delay module are fixed by means of fixing screws and positioningholes, so as to form an integrated three-dimensional planar array laser radar calibration device. The invention further discloses a corresponding calibration method. the simple, convenient and rapidcalibration device and calibration method can perform rapid and precise calibration on the three-dimensional planar array laser radar, is high in calibration precision and wide in calibration distancerange, and does not require a special calibration environment and a special cooperative calibration target.

The invention relates to an automatic calibrating device for seeding rate and fertilizing rate of a planter. A power component that can rotate in both forward and reverse directions has two-sided power output ends; One side is connected with the seed metering and fertilizing part for calibration through the second transmission one-way bearing; the locking direction of the first transmission one-way bearing and the second transmission one-way bearing are opposite to the direction of free rotation; There is an inoculation and fertilizer receiving box under the fertilizer part, and a load-bearing sensor is arranged at the lower part of the inoculation and fertilizer receiving box; the supporting control system is connected with the load-bearing sensor and the power part; the comparator measures the target seeding amount or fertilization amount with the load-bearing sensor The control system adjusts the relative working speed of the drive motor according to the corresponding ratio, so that the amount of seeding and the amount of fertilization reach the target value. It can be used on the planter driven by the motor for seeding and fertilizing, and in cooperation with the calibration control system, it can realize online automatic and rapid calibration.

The invention discloses a measuring head calibration method of a thread combined function dimensional measurement instrument. According to the measuring head calibration method, a standard cylinder is used for calibrating a reference zero position value of a measuring head of the thread combined function dimensional measurement instrument. The measuring head calibration method includes the following steps of placing and fixing the standard cylinder in the middle of a numerical control rotary table, enabling a full-thread measuring end to be closely attached to the standard cylinder, enabling the numerical control rotary table to rotate for a circle, and obtaining corresponding collection values of two axial micrometers at any rotary angle of the numerical control rotary table, a collecting value of a lateral micrometer, an X-direction coordinate of an X-direction sliding block and a Z-direction coordinate of a Z-direction sliding block; obtaining a corresponding position posture reference zero position value parameter of the full-thread measuring end at the any rotary angle of the numerical control rotary table through data treatment, and conducting measurement based on the corresponding position posture reference zero position value parameter. The measuring head calibration method of the thread combined function dimensional measurement instrument achieves calibration of the thread function dimensional reference zero position value parameter in three dimensions through the simple standard cylinder, and a function parameter of the standard cylinder is directly measured. Therefore, the measuring head calibration method of the thread combined function dimensional measurement instrument fits in with consistency of calibration and a measuring method.

A 2D laser positioning method for doors and windows of a train body, including a process of calibrating and measuring the body of the train; first, the AGV car is manually moved to the working position, and the positioning is performed visually, and the center of the door and window frame is set as the base coordinate of the manipulator The origin; the manipulator is taught to operate, and the trajectory of the manipulator is saved as the working track; the manipulator is taught to perform calibration measurement, and the calibration measurement is at the 3 equal parts of each side of the frame, and the manipulator with the 2D sensor scans the 2D of the frame. outline and record the data, and then calculate the 6-degree-of-freedom coordinate value of the frame as the calibration position value; save the calibration measurement path of the manipulator as the path of subsequent measurement work; then move the AGV to each station for operation, and calculate the current frame The coordinate deviation between the body coordinate and the calibrated position value is called, and the working trajectory of the manipulator is called, and the coordinate deviation is compensated to obtain a new working trajectory. The invention improves the robustness and usability of the system, and is easy to calibrate.