45results about How to "Stable completion" patented technology

The invention discloses an angle measuring method based on wireless power transmission and electromagnetic induction. A single chip microcomputer generates a high-frequency square wave signal; the high-frequency square wave signal is processed by a high-frequency square wave signal amplification circuit and a high-frequency square wave signal filter circuit and then is irradiated to a rotor circuit in an electromagnetic wave mode; the rotor circuit receives supplied energy to supply power to a chip in the circuit and generates a low-frequency sinusoidal signal; a transmission alternating current signal is generated and irradiated to a stator circuit after the low-frequency sinusoidal signal is processed; the stator circuit generates a first-stage angle information signal, an angle alternating current signal is obtained after the first-stage angle information signal is rectified, and after the angle alternating current signal is transmitted to a single-chip microcomputer and processed, information of the angle between a rotor and a stator is obtained. The angle measuring method based on wireless power transmission and electromagnetic induction is high in measurement accuracy, low in cost, convenient to install, maintain and manage, and low in requirement for environment. Tasks can be completed accurately, stably and rapidly as long as people do not work in a strong-magnetic environment, and the angle measuring method is reliable, accurate, low in cost and the like.

The invention relates to a light mechanical arm mechanism which comprises a large arm, a small arm, a tongs, a waterproof foundation, a driving mechanism, a power supply device and a control device, wherein the driving mechanism comprises a synchronous belt wheel-type driving mechanism which is respectively used for driving the large arm, the small arm and the tongs and drives the large arm, the small arm and the tongs to move by a motor through a mode of synchronous belt driving; the waterproof foundation, the driving mechanism, the power supply device and the control device are assembled into the waterproof foundation in a centralized manner; the power supply device is used for supplying electricity for the motor and the control device; and the control device is used for controlling the motion of the motor. The light mechanical arm mechanism provided by the invention is simple in structure; aluminum materials are adopted for the large arm and the small arm; the arms are light in mass; and the mass of the whole mechanical arm is centralized to the waterproof foundation. According to the light mechanical arm mechanism provided by the invention, an operation arm is additionally arranged on a mobile robot, and certain practicability is realized.

The invention discloses a phased array ultrasonic detection device for a small-diameter pipe weld joint and a working method of the phased array ultrasonic detection device, and belongs to the technical field of nondestructive detection of small-diameter pipes. The fixed ring rail is of a two-petal split structure, a compensation block is arranged in a sliding groove in the circumferential direction of the inner side of the fixed ring rail, and the movable scanning sliding block is arranged on the fixed ring rail in a sliding mode; the movable scanning slide block is connected with a size measuring assembly, a probe mounting assembly and a roller encoder; the probe mounting assembly comprises a connecting part and a fixing part, the connecting part is connected with the movable scanning sliding block, the fixing part is connected with the probe clamping device, the probe clamping device is connected with the phased array ultrasonic probe, and the connecting part is connected with the fixing part through a joint mechanism; a roller of the roller encoder is in contact with the outer side of the fixed ring rail; and the phased array ultrasonic probe and the roller encoder are respectively connected to the phased array ultrasonic detector through connecting wires. The phased array ultrasonic detection device is reasonable in structural design, and phased array ultrasonic detectionof butt welds of small-diameter pipes made of various materials and with various pipe diameters can be completed quickly, accurately and stably.

The invention provides a self-adapting method of data transmission application based on a 2M-ring network. A central terminal and a plurality of base station terminals are taken as a lower layer through the 2M-ring networking while the data transmission application based on the 2M-ring network as an upper layer. The central terminal of the lower layer is provided with a TCP / IP adapter while the base station terminals are provided with serial port adapters, and the TCP / IP adapter communicates with the serial port adapters through the 2M-ring network. The central terminal of the upper layer is provided with a TCP / IP communication server which is jointly bridged with the TCP / IP adapter and the serial port adapters of the lower layer, and the TCP / IP communication server carries out communication management to each bridged object by taking an abstract virtual-link mode as mapping.

The invention discloses a PCB coil and an angle measuring method for an electromagnetic induction type angle sensor apparatus. The PCB coil and the angle measuring method for the electromagnetic induction type angle sensor apparatus comprise a receiving coil for receiving a signal sent by a rotor reflection coil, an excitation magnetic field rotor reflection coil for receiving stator transmitting coil, and the stator reflection coil for sending an excitation signal to the rotor reflection coil; the receiving coil and the stator transmitting coil are connected and fixed to a stationary rotation shaft, the rotor reflection coil is arranged on a sensor rotor, the three coils are coaxially and fixedly arranged in parallel, the rotor reflection coil comprises an annular coil portion and a copper portion, and the annular coil portion and the copper portion are fan-shaped. The PCB coil and the angle measuring method for the electromagnetic induction type angle sensor apparatus can implement non-contact angle measurement, has the advantages of high accuracy, low cost, installation convenience, maintenance and management easiness and low environmental requirements, can accurately, stably and quickly complete tasks and solves many problems such as reliability, accuracy and cost of angle measurement methods.

The invention relates to a flattening high-precision double-shaft rotary table for part manufacturing. The rotary table is lifted to a working platform of a milling machine, the position of the rotary table is fixed through a limiting block, a workpiece is clamped to the working platform of the rotary table, a main shaft and a pitch shaft handle are rotated to enable the workpiece to be located at the needed angle, a hydraulic locking device is started, and then the finish machining process can be started. The flattening high-precision double-shaft rotary table is compact in structure, convenient to operate, high in practicability and capable of rapidly and stably keeping the part at the specific angle and specific direction, and convenience is brought to the development of the follow-up finish machining procedure.

The invention discloses a license plate region positioning method and system based on video images. The method comprises steps as follows: image longitudinal feature detection, image binaryzation, communication of transversely adjacent regions of the images, longitudinal cutting of the images, merging of related sub-regions and selection of blocks. The system comprises an image longitudinal feature detection module, an image binaryzation module, a transversely adjacent region communication module, a longitudinal cutting module, a related sub-region merging module and a block selection module. An edge detection algorithm adopted by the method and the system is very good in compatibility with license plate colors, image backgrounds and image quality, features of license plate regions can be effectively extracted for different colors of license plates and seriously fuzzy images, the vehicle video images with complex backgrounds can be processed, the license plate regions in the images can be positioned stably and efficiently, problems that existing algorithms are higher in computational complexity and take too long computation time are solved, and the accuracy of license plate positioning and recognition is effectively improved.

The invention discloses an angle measuring method based on wireless power transmission and electromagnetic induction. A single chip microcomputer generates a high-frequency square wave signal; the high-frequency square wave signal is processed by a high-frequency square wave signal amplification circuit and a high-frequency square wave signal filter circuit and then is irradiated to a rotor circuit in an electromagnetic wave mode; the rotor circuit receives supplied energy to supply power to a chip in the circuit and generates a low-frequency sinusoidal signal; a transmission alternating current signal is generated and irradiated to a stator circuit after the low-frequency sinusoidal signal is processed; the stator circuit generates a first-stage angle information signal, an angle alternating current signal is obtained after the first-stage angle information signal is rectified, and after the angle alternating current signal is transmitted to a single-chip microcomputer and processed, information of the angle between a rotor and a stator is obtained. The angle measuring method based on wireless power transmission and electromagnetic induction is high in measurement accuracy, low in cost, convenient to install, maintain and manage, and low in requirement for environment. Tasks can be completed accurately, stably and rapidly as long as people do not work in a strong-magnetic environment, and the angle measuring method is reliable, accurate, low in cost and the like.

The invention discloses a car storing and taking method applicable to a stereo garage. The method comprises the following steps that: a, a driver drives a car to be parked to run onto a rotating carrying plate arranged in a movable ascending and descending rotating device, and an ascending and descending mechanism arranged in the movable ascending and descending rotating device is controlled to drive the rotating carrying plate to ascend, so that the height of the rotating carrying plate is higher than the height of a platform for parking a car; b, firstly, a telescopic bridging carrying plate arranged in the movable ascending and descending rotating device is controlled to extend out and to realize the lap joint in a position of an entrance of the platform for parking the car, and then, the rotating carrying plate is controlled to rotate onto the telescopic bridging carrying plate; and c, the car runs onto a parking platform; after the car stably stops, the driver goes onto the rotating carrying plate from the parking platform; then, the rotating carrying plate and the telescopic bridging carrying plate are sequentially withdrawn; next, the ascending and descending mechanism is controlled to drive the rotating carrying plate to descend; the driver leaves away from the rotating carrying plate; the car storing process is completed; and the steps are converse in the car taking process. The car storing and taking method has the advantages that the full-process support on the rotating carrying plate can be formed in the car storing and taking processes, and the car storing and taking processes are fast and stably completed.

The invention relates to a shape-changeable moving mechanism capable of driving a salvation robot on multiple directions, which comprises a shape changing mechanism, a caterpillar moving mechanism, a connection mechanism of the caterpillar moving mechanism and the shape changing mechanism and a telescopic-type supporting rod mechanism. The shape changing mechanism consists of five surfaces, wherein each surface can be free to unfold, so the shape changing mechanism can be unfolded, folded and change the shapes according to the pavement situation; the five surfaces of the shape changing mechanism are respectively provided with a caterpillar moving unit, so when any surface of the robot is contacted with the ground, the robot can move; the caterpillar moving unit can rotate relatively to each surface of the shape changing mechanism, so the robot can freely change the moving direction so as to realize the multi-direction driving. The moving mechanism has the functions that the moving mechanism can climb up and down stairs, climb over barriers, be free from worrying about turnover and can get out of recesses, and the like; and the shape of the moving mechanism can be changed accordingto the pavement situation, and the quantity of the driving wheels can be selected according to the real pavement situation and the requirement of the driving power.

The invention relates to an automatic loading / unloading manipulator of a numerical control lathe. The manipulator comprises a base, a bracket, a raw material box, a push rod mechanism, a first mechanical jaw, a slide rail mechanism, a mechanical arm and a second mechanical jaw, wherein the bracket is mounted on the base, and is provided with a support plate; the raw material box and the push rod mechanism are mounted on the support plate; the push rod mechanism can be inserted into the raw material box; the first mechanical jaw is positioned at one side of the raw material box, and the top of the first mechanical jaw is pivoted with the mechanical arm; the slide rail mechanism is connected with the mechanical arm, and is linked with the mechanical arm; and the second mechanical jaw is mounted at one end of the mechanical arm. The automatic loading / unloading manipulator of the numerical control lathe is higher in safety coefficient, reduces the strength of manual operation, can efficiently and stably finish appointed actions, realizes automatic control, and satisfies the requirements of automatic production.