A many function combination loading platform for loading and unload car

The utility model discloses a many function combination loading platform for loading and unload car, including the platform of connection on the loading and unloading car, and the connection is in fork on the platform, platform sub -unit connection rotary mechanism, its surface is along transversely and vertically being provided with a plurality of symmetrical pinholes respectively, the fork by the mount, wear to establish in the terminal annular part of mount and the removal horizontal pole through first quick -release round pin hub connection and cup jointing constitute through the fork of second quick -release round pin hub connection on removing the horizontal pole, be provided with on the mount through the connecting piece with a plurality of jacks that the platform is connected. The utility model discloses simple structure, safe and reliable, the function is complete, easily makes, has multiple shovel dress function, has effectively promoted handling efficiency, has realized commonality ...

Waste plastic combustion pretreatment device and method

The invention discloses a waste plastic combustion pretreatment device and method. The pretreatment device comprises a drying system, a smashing system, a pressurization system, an air supply system, a mixing system and an injection system. And the drying system is used for drying the waste plastics. And the crushing system is connected with the drying system and is used for crushing the waste plastics. The pressurization system is connected with the smashing system and used for conducting pressurization treatment on the waste plastics. The gas supply system is used for providing gas. The mixing system is connected with the pressurization system and the gas supply system at the same time and used for mixing the waste plastics with gas provided by the gas supply system. And the injection system is connected with the mixing system and is used for injecting the mixed waste plastics and the gas provided by the gas supply system together. Compared with the prior art, the waste plastic combustion ...

Dust catcher tight pulley frame dislocation balanced structure

The utility model discloses a dust catcher tight pulley frame dislocation balanced structure installs in take -up reel department, and it includes: tight pulley frame support, its rotary joint in the shaft of take -up reel transversely is provided with the axis body on the tight pulley frame support, and its both ends form first connecting portion, the tight pulley frame, its the first support body unit and second support body unit that includes dislocation set, its two outsides that meet the department are provided with the second connecting portion that correspond the first connecting portion, and the tight pulley was put up the the first connecting portion and second connecting portion rotary joint and was put up the support bracket in the tight pulley, and the rotation is connected with the tight pulley on the free end of the first support body unit, and the free end of second support body unit is as the point of application. Compared with the prior art, the utility model, it will the ...

A double lever cam locking mechanism for flexible sucking disc

The utility model discloses a double lever cam locking mechanism for flexible sucking disc, including double lever aggregate unit, cam locking device and sucking disc hoisting device, double lever aggregate unit includes the lever of two sharing fulcrums, cam locking device connects firmly as the fulcrum with the double lever, the cam is connected to sucking disc hoisting device one end, flexible sucking disc is connected to sucking disc hoisting device's the other end, the utility model discloses towards the rapid restoration that the car body panel beating is sunken, loosen and pin flexible sucking disc through double lever - cam locking mechanism, realized that flexible sucking disc adsorbs the quick reliable of sunken panel beating bottom surface, saved operating time and intensity, improved tensile restoration power size and prosthetic reliability simultaneously to because the mechanism is simple, operates for the maintenance in later stage and brought very big convenience.

Sound source localizing method

The invention relates to a sound source localizing method. The method comprises the following steps of: establishing an aliasing model of sound source signals; collecting a mixed acoustic signal of a sound source to be tested in the three directions of X, Y and Z by adopting a three-dimensional acoustic measurement array; acquiring a clean observation signal through denoising treatment; estimating a separating matrix of the tested sound source and acquiring a frequency response matrix; once acquiring the accurate estimation of the wave arrival directions of all the sound source signals by adopting a whole wave arrival direction estimation strategy based on peak detection; calculating space angles by utilizing relative space geometric knowledge; and finally, realizing the space localization of the sound source signals. The invention overcomes the defect that a traditional sound source localizing method can not realize the three-dimensional space localization of a plurality of aliasing sound ...

Hierarchical encoder of stereo video space based on grid and decoding method thereof

The invention discloses a stereo video space scalable encoder based on grid and a coding method thereof, belonging to the technical field of image compression, mainly used for solving the blocking effect problem of prior scalable encoders based on block method. The encoder firstly performs Delaunay triangle subdivision to a left low resolution reconstructed image to obtain a triangle grid; then a current coding image is predicted by using a motion compensation and a parallax compensation based on the grid, and the left channel low resolution reconstructed image is used as a referent image; left channel prediction images and right channel prediction images with different resolution are obtained by the motion information and the parallax information of grid nodes; the original image respectively subtracts the prediction images to obtain corresponding residual images; then the residual images are respectively coded to form a composite bit stream. The stereo video space scalable encoder has ...

Rapidly constructed transformer fault diagnosis system based on three-dimensional temperature field

The invention relates to a rapidly constructed transformer fault diagnosis system based on a three-dimensional temperature field, in particular to a method for rapidly constructing a numerical value modeling by a three-dimensional temperature field based on a finite element method. With a view to utilizing the temperature information of certain key measuring points of the boundary (for example, a solid temperature field) or the inside (for example, a liquid, gas or mixed temperature field) of a research object and a three-dimensional temperature field regression analysis and rapid construction technology based on an SVM (Space Vector Modulation) method, the method is used for extracting a three-dimensional temperature field fault characteristic quantity to create a temperature fault database and combining a functional module of solid modeling of a complex mechatronic system with a finite element thermal analysis functional module to build a fault diagnosis integration analysis system based ...

Noise source test and analysis method and device

The invention discloses a noise source test and analysis method, which comprises the following steps of: 1) receiving sound waves radiated by a main noise source to be tested by adopting a microphone; 2) sampling the sound waves radiated by the main noise source to be tested, and saving and displaying the sound waves of the main noise source to be tested after analog-to-digital conversion; 3) processing the sound waves of the main noise source to be tested, which is saved by the step 2) by utilizing wavelet transform and high-order spectrum analysis technology to acquire a signal characteristic value for recognizing the noise source; and 4) estimating frequency response characteristics from the main noise source to be tested to the sensor by utilizing an independent component analysis method to estimate the direction of arrival of the sound source. The wavelet transform and bispectrum analysis-based noise source analysis method can eliminate the influence of non Gaussian noises, cannot ...

Magnetic field intensity measuring device

The utility model discloses a magnetic field intensity measuring device, including main part, sliding block I, sliding block II, positioner, yoke I, yoke II, locating pin and hall probe, the main part is equipped with workstation and fixed slot, is equipped with fixed protruding wall on the workstation. Positioner includes regulator, guide pillar I and guide pillar II, and fixed mounting are on fixed protruding wall respectively for regulator, guide pillar I and guide pillar II, and hall probe establishes in the fixed slot of main part, is equipped with fixing device in the fixed slot, and yoke I is fixed respectively at sliding block I and sliding block II through locating pin and screw with yoke II, is equipped with guide pillar hole and adjusting block on sliding block I and the sliding block II, and establish in the space between II one end of yoke I and yoke hall probe's end. The utility model discloses a novel simple structure to easy operation, the practicality is good, application ...

Electromagnetic compression spring separator

The invention discloses an electromagnetic compression spring separator, belongs to spring separating devices, and aims to provide compression springs with larger separation diameters and an electromagnetic compression spring separator with a good separation effect. The electromagnetic compression spring separator disclosed by the invention comprises a vibrator and an electromagnetic chuck I arranged above a charging bucket, wherein the vibrator drives mutually wound compression springs on a disc to continuously jump, and the springs, and the springs and the disc continuously and mutually impact, so as to realize separation of the compression springs one by one; the electromagnetic chuck I generates magnetism through current to attract separated compression springs, and then the separated compression springs are conveyed to a transmission belt, so that preparation is made for subsequent automatic equidistant sequencing output. According to the invention, the mutually wound compression springs ...

Novel gas feed distributor of slurry bed reactor

Noise source test and analysis method and device

Signal denoising method based on local mean value decomposition

The invention discloses a signal denoising method based on local mean value decomposition. The method comprises the steps that the local mean value decomposition is carried out on a noisy signal, amplitude thresholding filtering processing is carried out on the obtained product function (PF) component, and a real source signal is reconstructed, so that noises are omitted, comparison is carried out by means of a simulation experiment, and the effectiveness of an LMD-based signal denoising method is verified by a practical signal noise elimination experiment. According to the method, the noise jamming in observed signals is eliminated, the effectiveness of the LMD-based signal denoising method is verified by virtue of a series of simulation and experiments and through the comparison with the existing wavelet transform (WT)-based denoising method and an empirical mode decomposition (EMD)-based denoising method which appears in recent years, the method is simple, the advantages of the denoising ...

A S -shaped water course liquid cooling bottom plate for industry converter

The utility model discloses a S -shaped water course liquid cooling bottom plate for industry converter, including radiating bottom plate body and the water injection well choke of intaking, play water water injection well choke, the radiating bottom plate body is provided with many parallel channels's base plate and is connected through fastening screw by inside interval the apron of base plate both sides is constituteed, the water injection well choke setting of intaking is in on the apron of one side, go out the water water injection well choke and set up on homonymy or opposite side apron the inboard of both sides apron is provided with an end cap of connecting two adjacent parallel channels at least, water injection well choke, play water water injection well choke and the end cap of intaking cooperates with corresponding parallel channels port intercommunication respectively, makes form the S -shaped water course between the parallel channels. The utility model discloses base plate ...

Magnetic moment measuring device

The utility model discloses a magnetic moment measuring device, magnetic moment measuring device include bearing, control box, magnetic flow meter, helmholtz coil assembly I, helmholtz coil assembly II, support column I, beaded finish, workstation, support column II and bearing plate, and the bearing intermediate position evenly is equipped with support column II, still is equipped with the controller on the bearing, are equipped with the workstation on the support column II, I evenly distributed of support column on the bearing, I upper end of support column is equipped with the bearing plate, helmholtz coil assembly fixed mounting is connected with the control box behind the tandem connection of two sets of helmholtz coils on support column I, the control box is connected with the magnetic flow meter, the bearing plate still be equipped with the inductor, the inductor is connected with the control box. The utility model has the advantages of simple structure, easy operation, it is more ...

Automatic separating, sorting and interval sequence outputting device for compression springs

The invention discloses an automatic separating, sorting and interval sequence outputting device for compression springs, which comprises a vibrating disk and a driving belt, wherein the vibrating disk achieves separation of wound springs, the separated springs enter the driving belt through a material inlet, and the springs on the driving belt pass through regions I and III and finally reach a region V, so as to achieve the purpose of automatic separating, sorting and interval sequence outputting of compression springs. A quantity sensing region controls a motor to rotate to drive a baffle plate to move so as to control the number of springs in the region 1, a speed sensing region is used for reasonably controlling the running speed of the region III of the driving belt, and solving the problems that a larger number of springs enter the region V of the driving belt, so a manipulator fails to grab in time. According to the invention, the wound springs can be separated completely, interval ...

Transection type oblique crack rotor variable stiffness characteristic calculation method based on strain energy theory

The invention discloses a transection type oblique crack rotor variable stiffness characteristic calculation method based on a strain energy theory. The transection type oblique crack rotor variable stiffness characteristic calculation method is characterized by comprising the following steps that (1) elastic strain energy of a crack-free rotor shaft unit is calculated, (2) displacement of the crack-free rotor shaft unit is calculated, (3) three types of crack rotor shaft stress density factors are calculated, (4) rotor shaft unit external elastic strain energy caused by cracks is calculated, (5) rotor shaft unit external displacement caused by the cracks is calculated, (6) flexibility coefficients of a crack rotor shaft unit are calculated, and (7) the variable stiffness characteristic is solved based on static balance transformation. The transection type oblique crack rotor variable stiffness characteristic calculation method has the advantages of being reasonable in design and accurate ...

Sound source localizing method

The invention relates to a sound source localizing method. The method comprises the following steps of: establishing an aliasing model of sound source signals; collecting a mixed acoustic signal of a sound source to be tested in the three directions of X, Y and Z by adopting a three-dimensional acoustic measurement array; acquiring a clean observation signal through denoising treatment; estimating a separating matrix of the tested sound source and acquiring a frequency response matrix; once acquiring the accurate estimation of the wave arrival directions of all the sound source signals by adopting a whole wave arrival direction estimation strategy based on peak detection; calculating space angles by utilizing relative space geometric knowledge; and finally, realizing the space localization of the sound source signals. The invention overcomes the defect that a traditional sound source localizing method can not realize the three-dimensional space localization of a plurality of aliasing sound ...

Digital stereoscopic television system and coding and decoding methods

The invention discloses a digital stereoscopic television system, a coding method and a decoding method. The system consists of a transmitter and a receiver. The transmitter comprises a left image acquirer, a right image acquirer, an ordinary image coder, a code stream multiplexer, a channel coding modulator, a parallax vector generator and a residual texture generator. The receiver comprises a demodulator, a demultiplexer, a recognition decoder, a left image restorer, a parallax vector restorer, a residual texture restorer, a right image prediction compensator, a right image restorer, a stereoscopic mode selector and a stereoscopic image display. The digital stereoscopic television system, the coding method and the decoding method provided by the invention have the advantages that: the system can be compatible to conventional digital television broadcast systems; the conventional equipment of a transmission front-end and a receiving terminal is not required to be eliminated, and has a ...

Asynchronously start that three -phase permanent magnet synchronous motor decides, rotor structure

The utility model discloses an asynchronously start that three -phase permanent magnet synchronous motor decides, rotor structure, including stator core and cage modle rotor, equal portion sets up the stator winding mounting groove in stator core and arranges the stator winding in it in along circumference, installs the permanent magnet in the cage modle rotor, the stator winding mounting groove is pears groove structure, the permanent magnet cross -section is " V " font structure, and evenly distributed restricts the magnetic leakage through flux barrier in the constant head tank of axial cartridge in the cage modle rotor. The utility model discloses the advantage lies in that the asynchronous torque that the during operation relied on cage modle rotor conducting bar winding to produce realizes starting, after the normal operating, by built -in permanent magnet magnetic pole and the rotating field interact that stator winding produced, produces invariable synchronous torque. The utility ...

Rapidly constructed transformer fault diagnosis system based on three-dimensional temperature field

The invention relates to a rapidly constructed transformer fault diagnosis system based on a three-dimensional temperature field, in particular to a method for rapidly constructing a numerical value modeling by a three-dimensional temperature field based on a finite element method. With a view to utilizing the temperature information of certain key measuring points of the boundary (for example, asolid temperature field) or the inside (for example, a liquid, gas or mixed temperature field) of a research object and a three-dimensional temperature field regression analysis and rapid construction technology based on an SVM (Space Vector Modulation) method, the method is used for extracting a three-dimensional temperature field fault characteristic quantity to create a temperature fault database and combining a functional module of solid modeling of a complex mechatronic system with a finite element thermal analysis functional module to build a fault diagnosis integration analysis system based ...

Dust collector tension pulley frame dislocation balancing structure

The invention discloses a dust collector tension pulley frame dislocation balancing structure, which is arranged on a winding roll, and comprises a tension pulley frame support and a tension pulley frame, wherein the tension pulley frame support is rotatably connected on a rotating shaft of the winding roll, a shaft body is arranged on the tension pulley frame support in the transverse direction, first connecting portions are formed on the two end portions of the tension pulley frame support, the tension pulley frame comprises a first frame unit and a second frame unit which are arranged in a dislocation mode, second connecting portions which are corresponding to the first connecting portions are arranged on the two outer sides of a connecting position of the first and the second frame units, the tension pulley frame is rotatably connected on the tension pulley frame support through the first and the second connecting portions, a free end of the first frame unit is rotatably connected with ...

Hierarchical encoder of stereo video space based on grid and decoding method thereof

The invention discloses a stereo video space scalable encoder based on grid and a coding method thereof, belonging to the technical field of image compression, mainly used for solving the blocking effect problem of prior scalable encoders based on block method. The encoder firstly performs Delaunay triangle subdivision to a left low resolution reconstructed image to obtain a triangle grid; then acurrent coding image is predicted by using a motion compensation and a parallax compensation based on the grid, and the left channel low resolution reconstructed image is used as a referent image; left channel prediction images and right channel prediction images with different resolution are obtained by the motion information and the parallax information of grid nodes; the original image respectively subtracts the prediction images to obtain corresponding residual images; then the residual images are respectively coded to form a composite bit stream. The stereo video space scalable encoder has ...

Novel gas feed distributor of slurry bed reactor

The invention relates to a feed distributor of a slurry bed reactor, which comprises a main air inlet pipe and at least two layers of feed distribution pipes, wherein the main air inlet pipe runs through the bottom center of the slurry bed reactor and is arranged vertically upwards; each layer of the at least two layers of the feed distribution pipes comprises at least two round distribution pipes arranged concentrically in the radial direction of the reactor, and radial connection pipes; each layer of the at least two layers of the feed distribution pipes is vertically intersected with and is in gas communication with the main air inlet pipe in the center respectively; the round distribution pipes and the radial connection pipes are provided with open pores at intervals uniformly; the open pores face bottom openings of the reactor; the peripheries of the open pores and the open pores are concentrically provided with surrounding edges; and the open pores formed on each radial connection ...

Self -service vehicle washing system with pure water filter equipment antithetical couplet usefulness

The utility model discloses a self -service vehicle washing system with pure water filter equipment antithetical couplet usefulness, including insert coins the equipment of punching the card, with the well accuse equipment that the equipment of punching the card of inserting coins links to each other and the water treatment facilities of connection running water system, the water treatment facilities export is provided with first solenoid valve and the storage water tank of connecting pure clean water tap respectively, the export of storage water tank is provided with the second solenoid valve of connecting the carwash squirt, the running water system pass through the third solenoid valve with the carwash squirt links to each other, the water level signal output part of storage water tank links to each other with the signal input part of well accuse equipment, the signal output part of well accuse equipment links to each other with first solenoid valve, second solenoid valve, third solenoid ...