39results about How to "Reduce manual measurement errors" patented technology

The invention provides a track flatness measuring method. The method includes the following steps of (1) placing a walking mechanism with an acceleration sensor, an angular velocity sensor, a magnetic sensor on a track, and moving the walking mechanism to the corresponding position; (2) acquiring the original data of the acceleration sensor and the angular velocity sensor, and obtaining the pitch angle, the yaw angle and the roll angle of the walking mechanism according to the original data; and (3) determining whether the pitch angle, yaw angle, and roll angle obtained in step (2) within the standard threshold interval, and if the angles are in the standard threshold interval, the track is flat, if not, the track is not flat. The track flatness measuring method can intelligently determine the flatness of the track installation and realize the simplicity, safety and efficiency of the operation of the track installation and detection.

The invention discloses a real-time detection and control system and method for displacement and deformation of a foundation pit support body. A data collector collects the inclined angle data, measured by each probe, of each measuring point in a corresponding measuring oblique pipe in the foundation pit support body, and the inclined angle data of each measuring point is sent to a central data processor, the central data processor calculates the displacement data corresponding to each measuring point according to the inclined angle data, coming from the data collector, of each measuring point, thus obtaining the deformation curve of each measuring oblique pipe and the corresponding compensation data of each support point; a D/I conversion instrument converts the compensation data into a current loop signal so as to control the support of a PLC (programmable logic controller) or other industrial controllers for the foundation pit support body and perform ream-time compensation, the aim that the foundation pit support (such as steel support) is subjected to continuous real-time automatic axial force compensation all day long for 24 hours is realized according to the deformation condition, collected in real time, of the measuring oblique pipe, the measuring precision and efficiency are improved compared with those of manual measurement, and the construction quality, efficiency and safety of a foundation pit are improved.

The invention relates to a 3D camera volume measuring method and system. The 3D camera volume measuring method includes the following steps: acquiring a depth map of a measured object, wherein the depth map includes the depth information of the measured object; according to the depth information, extracting the measured object from the depth map, and obtaining the pixel area of the measured object; according to the distance between a 3D camera and a measuring platform and the depth information, obtaining the height of the measured object; according to the invariance of the view field ratio ofthe 3D camera and the pixel area, acquiring the length and the width of the measured object; and according to the length, the width and the height of the measured object, obtaining the volume of the measured volume. The 3D camera volume measuring method has the advantages of being simple in measurement, being convenient to implement, having no demand for artificial measurement, and greatly improving accuracy and efficiency.

The invention provides automatic laser scanning galvanometer correcting equipment and laser galvanometer equipment. The correcting equipment comprises a control box, a scanning head, stepping motor control modules, photoelectric sensors, two guide rails, conveying belts and sensitive paper, wherein the two guide rails are arranged in parallel. The control box is connected with the scanning head, the stepping motor control modules and the photoelectric sensors. Each stepping motor control module is arranged on the corresponding guide rail and used for driving the corresponding conveying belt to move. Under control of the control box, the scanning head can be driven by the stepping motor control modules and the conveying belts to move along the guide rails in the axial direction. The sensitive paper is arranged between the two parallel guide rails. Each photoelectric sensor is arranged at the starting end of the corresponding guide rail. According to the automatic laser scanning galvanometer correcting equipment and the laser galvanometer equipment, a corrected figure is obtained in a linear-scanning manner; the obtained corrected figure is distortionless, rich in feature points, precise in correction and small in error; the mode that the guide rails are combined with the scanning head is adopted, so that an obtained image is large in view field; and the large-format laser galvanometer machining equipment can be corrected, and the structure of original laser machining equipment does not need to be changed.

The invention provides a sealant production device and system, and relates to the technical field of production equipment. The sealant production device comprises a mixing device, a first processing device for providing a first raw material to the mixing device, and a second processing device for providing a second raw material to the mixing device; the first processing device comprises a raw material barrel and a reaction kettle which is in matched connection with a temperature control device and a vacuum generator; the raw material barrel, the reaction kettle and the mixing device are connected successively through pipelines to form a first closed transportation channel; the second processing device comprises a dryer and a split box, and the dryer, the split box and the mixing device are connected successively through pipelines to form a second closed transportation channel. The device has the advantages of convenience in operation, labor saving, manual measurement error reduction and work efficiency improvement. The sealant production system comprises the sealant production device. The quality of finished products is improved, the cost is reduced, and large scale production can be achieved.

The invention discloses a building indoor clearance size measuring device and a data measurement and analysis system, and relates to the technical field of data processing equipment. The device comprises a vehicle body and a distance measuring assembly arranged on the vehicle body. The distance measuring assembly is connected with the vehicle body through a horizontal correction assembly. The vehicle body comprises a controller and a driving assembly connected with the controller. The driving assembly is used for enabling the vehicle body to move, the distance measuring assembly comprises a horizontal rotating assembly, a vertical distance measuring assembly and a horizontal distance measuring assembly, the vertical distance measuring assembly and the horizontal distance measuring assemblyare arranged on the horizontal rotating assembly, and the horizontal rotating assembly, the vertical distance measuring assembly and the horizontal distance measuring assembly are electrically connected with the controller. The accuracy of indoor clearance size measurement can be improved.

The invention relates to a device and method for measuring the foam mixing ratio of a foam fire-fighting system based on a density method. The device comprises a foam mixed liquid collecting box, wherein the foam mixed liquid collecting box is provided with an ultrasonic liquid level meter and a density meter, the ultrasonic liquid level meter is connected with a plurality of electromagnetic valves arranged on all the most disadvantageous loop headers, each electromagnetic valve is correspondingly connected with a most disadvantageous loop nozzle of the foam fire-fighting system, and when the ultrasonic liquid level meter measures a high liquid level signal of the foam mixed liquid collecting box, the electromagnetic valves are triggered to be automatically closed; and the density meter is connected with the PLC control system, measures the density value of the mixed liquid in the foam mixed liquid collecting box in real time, and transmits data to the PLC control system. According to the invention, the measurement precision of the foam mixing ratio of the foam fire-fighting system can be improved, the manual measurement error is reduced, and the test device has far-reaching significance for avoiding the influence in a conventional test method and improving digital nuclear power.

The invention discloses a monitoring system capable of monitoring floating slab track displacement. The system comprises a base, a controller, a power supply, a laser range finder and an alarm; an angle sensor is arranged in the base; the output end of the controller is electrically connected with the alarm; the signal end of the angle sensor and the signal end of the laser range finder are electrically connected with the input end of the controller; position reflecting plates are installed at the two diagonal ends of the base correspondingly; and the positive and negative pole ends of the controller, the angle sensor, the laser range finder and the alarm are electrically connected with the positive and negative pole ends of the power supply. According to the system of the invention, floating slab displacement change can be remotely monitored in real time, a large amount of manual measurement time is saved, the error of manual measurement is reduced, and the working efficiency is improved.

The invention relates to a non-invasive intelligent detector for peripheral nerve diagnosis, an electrode interface, a network data interface and a power interface are formed in the outer side wall of a box body, a mounting cavity is formed in the box body, a plurality of hosts are arranged at the bottom of the box body, heat insulation plates for dividing the hosts are arranged in the box body, and heat insulation fillers are arranged in the heat insulation plates; a simulation module is used for simulating the body structure of a patient according to the body shape and height of the patient, a phantom marking module is used for recording patient's stimulation and recording position, automatically measuring the distance of patient's stimulation position and establishing a patients diagnosis database in the database. According to the detector, the working efficiency is improved, the manual measurement error is reduced, the influence of subjective artificial diagnosis factors is reduced, the diagnosis result of a patient is accurately diagnosed, the result repetition consistency is improved, in addition, the setting of heat insulation plate can ensure that the hosts do not interfere with each other during working, and the working stability of the main machines is ensured.

The invention discloses an automatic adjustment control system for a segmental prefabricated assembled beam formwork, which comprises a digital twinning technology, a numerical control electric spiraldriving rod device, a numerical control measurement system, a matched beam segment, a bottom die trolley and a longitudinal moving track, and the bottom die trolley is connected to the longitudinal moving track through the numerical control electric spiral driving rod device, a bottom die plate is connected above the bottom die trolley, the matching beam section is arranged on the bottom die plate, the fixed end die plate is arranged on the rear side of the matching beam section, the numerical control measuring system is arranged on the fixed end die plate, the numerical control measuring system is connected with a digital twinning technology, and a beam top measuring point is arranged on the upper surface of the matching beam section. Compared with the prior art, the device has the advantages of being convenient to use and operate and capable of being adjusted and controlled in place at a time.

The present invention relates to the technical field of shearing equipment, and provides a pinch roller device, which includes a lower knife rest, a frame, an upper pinch roller assembly and a lower pinch roller assembly; it also includes a connecting frame, a frame boss, Jacking screw, connecting flange and the first connecting mechanism; the connecting frame is connected to the rear end of the lower pinch roller body; the frame boss is arranged below the connecting frame and connected to the frame; the lower end of the jacking screw is The threaded connection is fixed on the boss of the frame, and the upper end of the top screw abuts against the bottom of the connecting frame; the connecting flange is installed on the top screw and connected with the connecting frame through the first connecting mechanism. By arranging the first fixing device, the rear end of the lower pinch roller body is fixedly connected with the machine frame, so that in the process of pressurizing and pinching the steel plate, the phenomenon of the head and tail of the lower pinch roller is eliminated. The levelness of the lower pinch roller is guaranteed, and the pinch force is prevented from forming a torque on the steel plate when the steel plate is conveyed, causing the steel plate to deviate.

The invention provides a robot system for monitoring horizontal displacement of a foundation pit deep layer and an automatic monitoring method. The robot system comprises a toothed guide rail and a robot driven by a motor; the toothed guide rail is installed in an inner guide groove of an inclinometer tube; the robot is provided with the motor, a gear combination, a dynamic tilt angle sensor, a tooth number counter, a data acquisition and storage module and a data transmission module; the gear combination is matched with the toothed guide rail, the gear combination is driven by the motor to operate, so that the robot ascends and descends in the inclinometer tube, and the dynamic tilt angle sensor records angle values of the robot at different positions; the tooth number counter positions and records the up-down crawling distance of the robot; data is stored in the storage module; the data transmission module transmits the data to a handheld mobile equipment terminal. According to the robot monitoring system provided by the invention, cable-free measurement is realized, and the robot system is portable; all data acquisition is automatically completed by a measuring device, so that errors caused by manual measurement are reduced, and the efficiency and the accuracy are improved.

The invention discloses a method and device for intelligently analyzing a PPD skin test result based on image recognition. The method comprises the following steps that a patient inputs patient identity information and doctor seeing information in an intelligent mobile terminal; the intelligent mobile terminal is provided with a time node for reminding a patient to upload an image, and the intelligent mobile terminal uploads a PPD attempt image shot by the patient to the cloud data processor module through the data encryption transmission module; the cloud data processor module performs image segmentation processing on PPD attempts acquired at different time nodes through the image recognition module; then the size of the hard knot in the segmented hard knot image is calculated; and the hospital terminal receives an analysis result of the cloud data processor module. According to the application, the household intelligent diagnosis of the PPD skin test can be realized, and the medical process of the patient can be recorded, so that the diagnosis process and the treatment process are intelligent, doctors or nurses can know the state of the patient at any time, and convenience is provided for medical personnel and the patient.