41results about How to "Easy to modify and adjust" patented technology

The invention relates to the technical field of metal molding and casting, in particular to a method for quickly casting a large precision casting based on a 3D printing technology; through combination of a 3D printing and molding technology and a lost foam casting technology, by using special shell type coatings, a casting without the defects of recarburization, pores, slag inclusion or wrinkledskin can be cast, and the requirements of a high grade and complex structure and the precision casting can be met; and the method has the advantage of green, environmental protection and no pollution.The method comprises the steps of three-dimensional modeling, making of a fusible model and a special shell mold, boxing of the shell mold, negative pressure pouring and the like. The method has theadvantages of simple processing technology, no need of developing a mould, short production time, easy regulation and modification, low production cost, green, environmental protection and no pollution, and the molding process can be finished in real time; the requirements of individualization and customization cam be met; high quality products can be made, and massive casting and precision casting are both taken into consideration.

The invention discloses a positioning and assembling system and a positioning and assembling method for a junction box of a solar module. Switches, conveyor belts for transporting solar module junction boxes, and standard workspaces for positioning and adjusting the position of solar module junction boxes. The positioning and assembling method includes steps such as setting a standard work area, setting a junction box positioning reference point, manipulator zero point, junction box image acquisition, junction box image processing, and junction box position parameter acquisition. The invention has high positioning accuracy of the junction box of the solar module, can provide guarantee for the subsequent assembly and welding work, improves the one-time qualified rate of the product, can prevent the solar module from being scratched, can ensure the overall quality of the solar module, and has a short positioning adjustment time of the junction box, High work efficiency and other advantages.

The invention belongs to the technical field of environmental protection equipment, and in particular relates to a floating platform for washing out sediment, including a floating platform, a mud disturbing device, a mud-water separation device and a power device provided on the floating platform. The invention adopts a hydraulic control system to control the lifting and washing frequency of the mud disturbing device, which is well adapted to the topography, depth and environment of various water areas, and the muddy water after washing can be bagged and transported through the sludge dewatering machine after settling , to prevent secondary pollution caused by transportation and storage, and the self-provided fuel generator can meet the requirements of field construction operations. At the same time, the invention can disassemble the products for transportation separately, and assemble them on site for convenient transportation, which effectively improves the work efficiency and effectiveness.

The present invention provides a method and system for investigating physical objects of land acquisition and demolition based on three-dimensional laser scanning. Through three-dimensional laser scanning technology, point cloud data of target objects can be obtained, including topography, houses and their appendages, trees and vegetation, bridges, and special projects. Special 3D information such as power lines, communication lines, etc.; through related software processing, the object model obtained from the point cloud data is registered with the image to obtain a high-precision 3D model. The invention has the advantages of low cost, simple operation, fast and convenient, and has strong applicability, meets the requirements of ease of use and convenience, and establishes a three-dimensional information system support for large and medium-sized water conservancy project resettlement planning and design and related expropriation work implementation The platform greatly improves work efficiency, ensures the accuracy of data and the intuitiveness of objects, and is easy to adjust and modify. At the same time, it can obtain detailed topographic and geomorphic data, which is convenient for detailed tracking and comparison of demolition workload in the later stage.

The invention discloses a shaft part parameter measurement system and method. The system includes an industrial computer, a hub, an image acquisition system, a motion control system and a grating scale. The method includes steps of determining whether to set a new shaft part type or select an existing shaft part type of the system; mounting shaft parts; selecting a measurement mode, including parameter measurement, shape and position measurement and image measurement; saving the measurement result; determining whether the quality of a to-be-tested part is qualified or not; measuring the same shaft part type or a newly-replaced shaft part type; saving parameters and outputting the result. The system and the method are advantaged in that measurement accuracy is high, the measurement speed isfast, measurement parameters are a lot, parameter measurement demands of various shaft parts can be satisfied, market changes can be better adapted, and the market prospect is broad.

The invention relates to a dynamic load simulation testing instrument and a simulation testing method. The dynamic simulation testing instrument comprises a servo motor, a servo driver with a moment driving mode and load setting and loading and parameter display software, wherein the load setting and loading and parameter display software can send a control command which simulates the position-moment relation of an actual mechanical structure to the servo driver through a bus for controlling the motion of the servo motor, and the servo motor is in reverse connection with a tested motor through a coupler. The simulation testing method comprises the following steps: controlling the operation of the simulation testing motor and the tested motor through the load setting and loading and parameter display software, using a PC (personal computer) to control the simulation testing motor driver to apply a moment which is reverse to that of the tested motor on the simulation testing motor by adopting the moment control mode through the load setting and loading and parameter display software, and further performing simulation testing on the tested motor. The simulation testing instrument and the simulation testing method have the advantages that the instrument has simple structure, and is convenient to operate and maintain; and the dynamic loads of various different mechanical structures, such as a cam and the like, can be simulated.

The invention relates to an in-situ separation and detection nuclear magnetic resonance radio frequency probe front end and a preparation method thereof. The charged particle filter pipe, the separation waste liquid discharge pipe and the bifurcation and split flow cooperation of the sample detection pipe, in a vertical magnetic field environment, charged The paramagnetic particles are acted by the radially outward Lorentz force, which can effectively shunt the charged particle filter pipe, the separation waste liquid discharge pipe and the sample detection pipe at the intersection, so that the separated paramagnetic particles The solution is discharged from the separation waste liquid discharge pipe. The invention has a simple and efficient magnetic substance filtration and separation structure, and has a flexible customized sample pipeline design, which is convenient to modify and adjust according to the needs of the experiment, effectively improves the detection signal-to-noise ratio, and can meet the requirements of various in-situ nuclear magnetic resonance detection. The invention is prepared by 3D printing, which can improve design flexibility, greatly improve efficiency, and reduce labor costs.

The invention belongs to the technical field of unmanned plane control, and relates to a modular type control panel for a four-rotor aircraft. A power supply and a voltage-stabilizing circuit are respectively in electrical connection with a main control module, a wireless module, a gyroscope module, and a motor and drive module, so as to supply power. The main control module is electrically connected with the wireless module, the gyroscope module, the motor and drive module, and is used for receiving and processing data information from the wireless module and the gyroscope module. The wireless module is used for transmitting control information, and the gyroscope module is used for detecting the flight attitude. The motor and drive module is controlled by a PWM signal generated by the main control module to supply power to an aircraft. The main control module and a gyroscope achieve data transmission and communication through an I2C protocol, and the main control module and the wireless module achieve data transmission and communication through an SPI protocol, so as to achieve the modular control of the four-rotor aircraft. The control panel is simple in overall structure, is convenient to install, and is easy to operate.

The invention belongs to the technical field of unmanned aerial vehicle, and relates to a modular control method for a four-rotor aircraft, wherein the modular control method comprises the steps of (1), supplying electric power for each module of a control board by a power supply and a voltage stabilizing circuit, initializing each module after electrification of the control board, if a calibration signal is received, resetting a gyroscope, otherwise receiving data from a gyroscope module by a master control module and performing Kalman filtering, resolving an inclination angle by means of a quaternion for obtaining the current gesture of the aircraft, applying a four-rotor aircraft flight control method based on a digital PID algorithm, realizing an anticipated system performance through selecting a control gain, and adjusting the parameter of the four-rotor aircraft through upper computer software; and (2) outputting a PWM signal by the master control module according to the PID algorithm and driving a motor to operate through an MOS transistor, simultaneously detecting the current flight angle by the gyroscope module and performing feedback of the current flight angle to the master control module, receiving data from a remote controller by a wireless module and transmitting the received data to the mater control module for performing corresponding action. The modular control method has advantages of reasonable design and scientific principle.