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32results about How to "Reduce dependence on experience" patented technology

Intelligent drilling machine based on six-degree-of-freedom parallel robot

InactiveCN107030307AReal-time detection of location informationGuaranteed to be always verticalLarge fixed membersBoring/drilling machinesMachined surfaceRelative motion
The invention discloses an intelligent drilling machine based on a six-degree-of-freedom parallel robot, belongs to the technical field of intelligent drilling machines and aims to solve the problems of poor manual positioning accuracy, low manual positioning efficiency and poor drilling accuracy in the prior art. The intelligent drilling machine comprises a base, a stand column, a rocker arm, a spindle box, a drill bit, displacement sensors, the six-degree-of-freedom parallel robot and a controller, wherein the lower end of the stand column is fixedly connected with the base; one end of the rocker arm is arranged on the stand column in a sleeving mode and the rocker arm can move up and down relative to the stand column; the spindle box moves leftwards and rightwards relative to the rocker arm; the drill bit extends out of the lower end of the spindle box, is connected with a spindle in the spindle box and is capable of performing rotational motion and feeding motion; the displacement sensors are fixed to the lower end of the spindle box, the outer cylindrical surface of the end, extending out of the spindle box and connected with the drill bit, of the spindle is fit with the displacement sensors, and the position information of a to-be-machined surface of a workpiece is acquired in real time through the displacement sensors; the six-degree-of-freedom parallel robot is fixed to the base and corresponds to the drill bit in position, and the workpiece is arranged on a movable platform of the six-degree-of-freedom parallel robot; and the controller is disposed in the spindle box and electrically connected with the six-degree-of-freedom parallel robot and the displacement sensors.
Owner:CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI

Automatic loading and unloading control system for side loading and unloading crane and side loading and unloading crane

The invention discloses an automatic loading and unloading control system for a side loading and unloading crane and the side loading and unloading crane. The automatic loading and unloading control system comprises a main controller (1) mounted on a frame of the crane, a remote control receiver (8) connected with the main controller (1), a remote control emitter (9) matched with the remote control receiver as well as a front hoisting electromagnetic valve group (7), a front hoisting upper arm tilt angle sensor (5), a front hoisting lower arm tilt angle sensor (6), a rear hoisting electromagnetic valve group (2), a rear hoisting lower arm tilt angle sensor (3) and a rear hoisting upper arm tilt angle sensor (4), wherein the front hoisting electromagnetic valve group (7), the front hoisting upper arm tilt angle sensor (5) and the front hoisting lower arm tilt angle sensor (6) are controlled by the main controller and mounted on a front hoisting arm of the crane; the rear hoisting electromagnetic valve group (2), the rear hoisting lower arm tilt angle sensor (3) and the rear hoisting upper arm tilt angle sensor (4) are controlled by the main controller and mounted on a rear hoisting arm of the crane. The automatic loading and unloading function of the side loading and unloading crane is realized, operation skill level and the experience dependence of an operator are reduced, the hoisting efficiency of the side loading and unloading crane is greatly improved, the labor intensity is reduced, and the phenomenon of frequent damage of a container or a hoist is avoided.
Owner:XCMG XUZHOU TRUCK MOUNTED CRANE

Fire therapy device for hair and application method of device

The invention discloses a fire therapy device for hair and an application method of the device. The device comprises a shell, a sliding shell, handles, connection rods, push plates, push rods, a firesprayer and an igniter. The interior of the shell is divided into a storage cavity, a first containing cavity and a second containing cavity, openings are formed in the upper and lower ends of the shell respectively, and the storage cavity is communicated with the first containing cavity through a first air hole; the first containing cavity is communicated with the second containing cavity througha gap, the sliding shell is arranged in the first containing cavity, and the upper segments of the two handles are crosswise hinged to the opening of the lower end of the shell; the bottoms of the two connection rods are hinged to the tops of the two handles respectively, the tops of the two connection rods are hinged to the bottom of the sliding shell, and the bottoms of the two push plates arefixedly arranged on the inner bottom wall of the sliding shell; the tops of the two push plates penetrate through the sliding shell and extend out of the shell, clamping plates are arranged on the twopush plates respectively, and one end of each push rod is hinged to the outer side wall of the corresponding push plate; the other end of each push rod is hinged to the inner side wall of the first containing cavity, the fire sprayer is arranged at the opening of the upper end of the shell, the air inlet end of an air channel is communicated with a second air hole through a hose, and the igniteris arranged on the inner bottom wall of the sliding shell.
Owner:应方舟

Welding spot design method and device

The invention belongs to the technical field of whole vehicle welding, and particularly discloses a welding spot design method and device. The design method can comprise the following steps of: arranging welding spots on a metal plate based on an electric welding process requirement to obtain the metal plate and initial welding spot design data; setting at least one product performance target associated with the sheet metal welding spot; adopting a finite element method to take at least one product performance target as a boundary condition, taking the welding spot arrangement as an optimization object to execute welding spot topological optimization calculation to obtain the welding spot density of each welding spot, and indicating the importance degree of the corresponding welding spot to reach the at least one product performance target by the welding spot density; and removing the welding spots with the welding spot density smaller than a threshold value from the metal plate and the initial welding spot design data to obtain optimized metal plate and welding spot design data. The problems that reasonable welding spot positions and welding spot number are difficult to determineand time and labor are wasted in later verification can be solved, experience dependence on designers can be reduced to a great extent, and the development period of the whole vehicle is effectively shortened.
Owner:WM SMART MOBILITY (SHANGHAI) CO LTD

Automatic oil immersion device for rope head of rope winding frame

The invention discloses an automatic oil immersion device for a rope head of a rope winding frame. The automatic oil immersion device for the rope head of the rope winding frame comprises a supportingmechanism, a rope winding frame hanging mechanism, a rope head oil immersion mechanism and a position detection mechanism, wherein the rope head oil immersion mechanism comprises an oil immersion part and a driving part; the oil immersion part or the rope winding frame hanging mechanism is movably connected to the supporting mechanism, and the oil immersion part is positioned below the hanging part; the driving part is connected to the oil immersion part or the rope winding frame hanging mechanism and is used for driving the oil immersion part or the rope winding frame hanging mechanism to move, so that the distance between the oil immersion part and the rope winding frame hanging mechanism is reduced or reset; the oil immersion part is provided with an oil immersion groove; an opening ofthe oil immersion groove faces the hanging part; and the position detection mechanism is arranged on the supporting mechanism and is used for detecting whether the position of the position detectionmechanism and the liquid level position in the oil immersion groove reach a preset distance or not. The automatic oil immersion device for the rope head of the rope winding frame is good in oil immersion treatment effect, and the oil immersion quality among batches is stable.
Owner:广东康派环创科技有限公司

Adaptive balanced and non-balanced dual mode video receiving chip

The invention discloses an adaptive balanced and non-balanced dual mode video receiving chip, which comprises a balanced and non-balanced video signal input unit, a balanced video signal amplifying unit, a balanced and non-balanced signal driving unit, a video synchronous separating and clamping unit, a video signal digitalization processing unit, an intelligent phase and gain compensation operating control unit, a high and low frequency phase and gain compensation unit, and a state indicating and function setting unit. The adaptive balanced and non-balanced dual mode video receiving chip hasthe advantages of adaptive balanced signal and non-balanced video signal receiving, adaptive balanced signal polarity and function of outputting a balanced and non-balanced signal. The receiving adaptation is that: the chip automatically identifies the source of a video signal, automatically analyzes and calculates the phase, the gain and the loss of an input signal, and compensates and recovers the video signal to the largest extent; and the polarity adaptation is that: the polarity of the balanced signal can transposed. The adaptive balanced and non-balanced dual mode video receiving chip is used for adaptive video receiving and relaying equipment.
Owner:重庆中舜微电子有限公司

Optical axis parallelism correction method for multi-detector system based on laser displacement sensor

The invention discloses a method for correcting the optical axis parallelism of a multi-detector system based on a laser displacement sensor. First, using the angle measurement principle of a double laser displacement sensor to measure the deflection angle of the side plane of the corrected detector; Adjust the deflection angle on the plane and the offset of the cross center in the detector output image, and establish a mathematical model between the two; 3. Obtain the deviation between the cross center and the target in the detector output image through the image processing algorithm, and bring it to the detector side The adjustment amount of the detector side plane angle is obtained in the mathematical model of the plane adjustment deflection angle and the offset of the image cross center; 4. Adjust the amount of the oblong hole so that the digital display value of the angle measurement system of the dual laser displacement sensor and the obtained deflection angle adjustment amount If they are consistent, the parallelism correction of the optical axis of the detector is completed. The method of the invention quantifies the adjustment amount of the oblong hole in the optical axis correction, the correction process is visualized and easy to operate, the correction accuracy is high, and the deflection angle adjustment amount can be recorded, and it is used for subsequent disassembly and reassembly without recalibration.
Owner:西安应用光学研究所

Adaptive balanced and non-balanced dual mode video receiving chip

The invention discloses an adaptive balanced and non-balanced dual mode video receiving chip, which comprises a balanced and non-balanced video signal input unit, a balanced video signal amplifying unit, a balanced and non-balanced signal driving unit, a video synchronous separating and clamping unit, a video signal digitalization processing unit, an intelligent phase and gain compensation operating control unit, a high and low frequency phase and gain compensation unit, and a state indicating and function setting unit. The adaptive balanced and non-balanced dual mode video receiving chip has the advantages of adaptive balanced signal and non-balanced video signal receiving, adaptive balanced signal polarity and function of outputting a balanced and non-balanced signal. The receiving adaptation is that: the chip automatically identifies the source of a video signal, automatically analyzes and calculates the phase, the gain and the loss of an input signal, and compensates and recovers the video signal to the largest extent; and the polarity adaptation is that: the polarity of the balanced signal can transposed. The adaptive balanced and non-balanced dual mode video receiving chip is used for adaptive video receiving and relaying equipment.
Owner:重庆中舜微电子有限公司

Portable eye medical image intelligent auxiliary diagnosis device

The invention relates to a portable eye medical image intelligent auxiliary diagnosis device, which comprises a portable eye medical image acquisition device and a portable eye medical image intelligent auxiliary diagnosis box, wherein the portable eye medical image intelligent auxiliary diagnosis box comprises an embedded device and a display device connected with the embedded device. An intelligent auxiliary diagnosis program configured to execute the following steps is burnt in the embedded device in advance, wherein the steps are as follows: reading an eye medical image collected by a collection device; segmenting the eye medical image by using an image segmentation algorithm, and extracting a sclera region image; inputting the sclera area image into a pre-trained neural network model for identification and analysis to obtain auxiliary diagnosis information; and controlling the display device to display the auxiliary diagnosis information. The portable eye medical image intelligent auxiliary diagnosis device can be applied to various scenes, the dependence of medical image discrimination on the professional knowledge and the experience of doctors is reduced, diagnosis misjudgment caused by human subjective factors is remarkably reduced, portability is high, the auxiliary diagnosis information can be displayed in real time, and real-time performance is high.
Owner:CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI

Calibration method for pitch-throttle curve of oil-driven unmanned helicopter and system thereof

The invention relates to a calibration method for a pitch-throttle curve of an oil-driven unmanned helicopter. The calibration method comprises the following steps that S1,the unmanned helicopter is controlled to work, and the pitch and throttle opening parameters of the unmanned helicopter in the working process are recorded: S11, the pitch is increased according to set parameters in the workingprocess of the unmanned helicopter; an engine of the unmanned helicopter is kept at a rated working speed at each pitch point, and a set time T1 is kept; and S12, when the engine of the unmanned helicopter cannot keep the rated working rotating speed or the opening degree of a throttle valve of the engine of the unmanned helicopter reaches the limit position, the unmanned helicopter is controlledto reduce the throttle opening degree and the total distance until the unmanned helicopter is in an initial state, and a set time T2 is kept in the initial state of the unmanned helicopter; S2, the unmanned helicopter is controlled to stop; and S3, the pitch and the throttle opening degree of the unmanned helicopter are fitted into the curve. According to the calibration method for the pitch-throttle curve of the oil-driven unmanned helicopter and a system thereof, the pitch-throttle curve of the oil-driven unmanned helicopter can be accurately calibrated, the operation process can be effectively simplified, and the operation efficiency is improved.
Owner:重庆领直航科技有限公司

Method and device for optimizing tower structure of power distribution network

The invention discloses a power distribution network tower structure optimization method and device. The method comprises the steps of obtaining information collection information of a power distribution network; determining the wire model of each feed circuit in the power distribution network; judging the tension property of each rod site in the power distribution network, and generating a tension section of each feed circuit; calculating a representative span of each strain section, and judging whether an isolated span exists in the feed circuit or not according to the representative span; determining the electric pole type of each pole site, calculating the K value of each pole site, and calculating the sag value of the wire between two adjacent pole sites according to the K value; determining the pole tower model of each pole position point according to the sag value; according to the method, the wire model, the tension attribute of the pole site, the K value of the pole site and the like in the power distribution network are designed in sequence, calculation of the pole structure in the power distribution network can be processed and standardized, dependence of design of the power distribution network on knowledge reserve and experience of a designer is reduced, design risks are avoided, and design efficiency is improved.
Owner:陕西万迪信息科技有限公司
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