38results about How to "Increase frequency" patented technology

The invention relates to the technical field of machine tools, and particularly discloses a gantry machine tool overall real-time thermal error compensation method based on CNN-BIGRU-A. The gantry machine tool overall real-time thermal error compensation method comprises the steps that historical temperature data and historical thermal deformation data of a main shaft and a transmission shaft are obtained; constructing a thermal error prediction model, and training the thermal error prediction model according to the historical temperature data and the historical thermal deformation data to obtain a trained thermal error prediction model; transmitting the current temperature data of the main shaft and the transmission shaft to the trained thermal error prediction model to output a current thermal error compensation value of the main shaft and a current thermal deformation calculation value of the transmission shaft; the machine tool numerical control system calculates the current thermal error compensation value of the target position point according to the coordinate of the target position point on the transmission shaft; and the machine tool numerical control system performs compensation according to the current thermal error compensation value of the main shaft and the current thermal error compensation value of the target position point on the transmission shaft. According to the invention, a high-frequency and high-synchronization compensation strategy can be realized.

The invention provides a seat position self-calibration method and device and electronic equipment, and relates to the technical field of seat control. The method comprises the steps that a target edge code segment of a calibration segment in the sliding process of a seat is obtained, and the sliding stroke of the seat comprises the calibration segment; the target edge code segment is matched with a reference edge code segment corresponding to a preset calibration segment, a matching result is obtained, and the reference edge code segment comprises position coordinates and edge codes of all calibration points in the calibration segment; and when the matching result indicates that the seat position is calibrated, calibrating the seat position according to the target edge code segment and the reference edge code segment. In the conventional use process of the seat, the position of the seat is self-calibrated by sliding the seat, so that the calibration frequency and flexibility of the position of the seat are improved; the target edge code section of the calibration section in the seat sliding process is obtained, the seat position is calibrated according to the target edge code section, and the positioning precision of the seat position is improved.

The invention discloses a multistage electromagnetic coil transmitter energy recovery circuit and an electromagnetic coil transmitter. The multistage electromagnetic coil transmitter energy recovery circuit comprises first to eleventh diodes, first to third capacitors, first to third coils, first to eighth transistors, and first to third switches. According to the invention, coil energy is recovered to each level of capacitor by controlling the conduction time sequence of each transistor, and after the discharge of the previous level of coil is completed and the energy is recovered to the previous level of capacitor, the energy recovered in the capacitor can be released to the next level of coil when the next level of coil is triggered. The current in the coil can be quickly returned to zero, energy is recycled and acts on the next-stage coil, coil heating and the coil dragging force effect are reduced, and the outlet speed and efficiency of the electromagnetic coil emitter are improved.

The invention discloses a lunar absolute radiation calibration method and calibration device for a satellite-borne visible light camera, and the method comprises the steps: building a transfer link model from the sun to the moon and then to a to-be-calibrated satellite-borne visible light camera, i.e., unifying the space coordinates of the sun, the moon and the to-be-calibrated satellite-borne visible light camera into a geocentric coordinate system; through orbit planning, the moon is perpendicular to the visual axis direction of the high-orbit area-array camera, the distance between the sun and the moon and the distance between the moon and the to-be-calibrated camera and the incident angle of sunlight are obtained, and then the sun radiance received by the remote sensor is obtained, so that the atmosphere transmission path is eliminated, the accurate entrance pupil radiance can be obtained, and the accuracy of calibration is improved. And further, an accurate absolute calibration coefficient is obtained. According to the invention, the in-orbit radiation calibration precision and frequency can be improved.

This invention describes a magnetoresistive inertial sensor chip, comprising a substrate (101), a vibrating diaphragm (102, 102'), a magnetic field sensing magnetoresistor (105) and at least one permanent magnet thin film (108). The vibrating diaphragm (102, 102') is located on one side surface of the substrate (101). The magnetic field sensing magnetoresistor (105) and the permanent magnet thin film (108) are set on the surface of the vibrating diaphragm (102, 102') displaced from the base of the substrate (101). A contact electrode (106) is also arranged on the surface of the vibrating diaphragm (102, 102') away from the base of the substrate (101). The magnetic field sensing magnetoresistor (105) is connected to the contact electrode (106) through a lead (104). The substrate (101) comprises a cavity (103) formed through etching and either one or both of the magnetic field sensing magnetoresistors (105) and the permanent magnet thin film (108) are arranged in a vertical projection area of the cavity (103) in the vibrating diaphragm portion (102, 102'). A magnetic field generated by the permanent magnet thin film (108) changes in the sensing direction of the magnetic field sensing magnetoresistor (105) of magnetoresistive inertial sensor chip, which changes the resistance valve of the magnetic field sensing magnetoresistor (105), thereby producing a change in an output electrical signal. This magnetoresistive inertial sensor chip uses the high-sensitivity and high-frequency response characteristics of a magnetoresistor to improve the output signal strength and frequency response, thereby facilitating the detection of small and high frequency pressure, vibration, or acceleration changes.

The invention relates to the technical field of construction drilling, in particular to a hard rock stratum drilling device and method.The hard rock stratum drilling device comprises a rotating rod and a drilling barrel fixedly installed at the bottom end of the rotating rod, the top end of the rotating rod is connected with the output end of a rotary drilling machine through a hydraulic coupler, and an impact mechanism and a lifting and releasing assembly are arranged above the drilling barrel; the impact mechanism comprises a first cylinder, and the first cylinder is fixedly installed on the top of the rotating rod. In the drilling process of the rotary drilling rig, if the rotary drilling rig encounters a hard rock stratum, the hard rock stratum can be automatically impacted, in the rotating process of the drilling barrel, a downward impact force can be applied, the damage effect on the hard rock stratum is effectively improved, the instantaneous pressurization load is increased, and the damage to the hard rock stratum is reduced. In addition, when the positions of the hard rock strata are inconsistently distributed at the front end of the drill hole, the specific position of the hard rock strata below the drill barrel can be detected, circulating and directional impact is achieved, and the construction speed is further increased.

The present invention discloses a method and system for cross-system collaborative processing of multi-source heterogeneous data, and relates to the technical field of intelligent perception of public safety events. The method of the present invention includes first dividing the data security level, then identifying the data structure, and then establishing a multi-source heterogeneous data processing system. The data acquisition party sends a digital signature to the calling unit, the calling unit matches the data signature with the data security level, the data processing unit processes and transmits the data, and finally the data display unit displays the data content. The system of the present invention includes a data provider and a data acquisition party, and the communication connection between them is a multi-source heterogeneous data processing system, and the processing system includes a calling unit, a processing unit, and a display unit. The present invention is a method and system for cross-system collaborative processing of multi-source heterogeneous data, which reduces the error rate of data transmission and ensures the safe transmission and collaborative scheduling of data resources.

The invention provides a five-base cooperative biodiversity stereoscopic remote sensing monitoring system and method, and belongs to the technical field of data processing, and the method comprises the steps: generating first biological data based on remote sensing image information obtained through space-based satellite shooting; generating second biological data based on remote sensing image information shot by the unmanned aerial vehicle; generating third biological data based on the monitoring data acquired by the iron tower group; generating fourth biological data based on the monitoring data acquired by the mobile patrol vehicle; generating fifth biological data based on monitoring data acquired by ground fixed-point observation equipment; fusing the first biological data, the second biological data, the third biological data, the fourth biological data and the fifth biological data to obtain integrated biological data; determining a core monitoring index based on the integrated biological data; and determining a biodiversity analysis result based on the core monitoring index. According to the scheme, the index richness and the monitoring accuracy of biodiversity monitoring can be improved.

The invention provides a sand and dust weather solar irradiance combined forecasting method and system and a storage medium. The method comprises the steps that meteorological station observation data and sand and dust monitoring data are acquired; inputting meteorological station observation data and dust monitoring data into the solar irradiance forecasting model; processing the meteorological station observation data and the sand and dust monitoring data through a solar irradiance forecasting model, and constructing an independent long-short-term memory network sub-forecasting model; carrying out cumulative summation on forecasting results of the plurality of long-short-term memory network sub-forecasting models for reconstruction to obtain a solar irradiance short-term and imminent forecasting value in sand and dust weather; wherein the solar irradiance forecasting model is obtained by taking meteorological station observation data and sand and dust monitoring data as input, performing variational mode decomposition on a pre-acquired solar irradiance observation value, then taking the solar irradiance observation value as output, and performing training based on a long short-term memory network. According to the invention, the problem of low photovoltaic power generation output caused by inaccurate solar irradiance forecast in the existing sand and dust weather is solved.

The utility model discloses a roller compacted concrete nucleon density instrument measuring hole forming device which comprises a drill rod (3) used for forming holes and an electric hammer (1), the power output end of the electric hammer is provided with a drill rod clamping system (4), the drill rod clamping system is connected with the drill rod through a quick release connector, the lower end of the drill rod is provided with an elliptic hammer head, and the elliptic hammer head is connected with the electric hammer. The electric hammer is further provided with an infrared distance meter used for automatically measuring the hole opening depth. According to the utility model, the drill rod can be driven by the electric hammer to rotate so as to realize the electric forming of the measuring hole on the roller compacted concrete, so that the hole opening efficiency is greatly improved, the depth of the measuring hole can be accurately controlled, the disturbance to the roller compacted concrete is small, and the compactness of the roller compacted concrete can be more truly detected.

This invention discloses a space-ground coordinated radiometric characteristic calibration method for spaceborne active microwave sensors in the field of radar Earth observation technology. It constructs a space-ground coordinated calibration system consisting of a radiation reference source satellite and a ground calibration processing station. The method includes: determining the orbital parameters of the radiation reference source satellite; the satellite transmitting signals to the ground station in Earth observation mode, using a known RCS target on the ground to calibrate its own antenna gain and link gain; receiving signals from the satellite to be calibrated in Earth observation mode, accurately calculating and transmitting echo signals based on the calibrated parameters; and the satellite to be calibrated calibrating its own transmit / receive link gain based on the received echo signals. This invention can be widely applied to the on-orbit radiometric calibration of active microwave sensors such as synthetic aperture radar, altimeters, and microwave scatterometers, significantly improving calibration frequency and accuracy, supporting multi-band, high-stability quantitative remote sensing tasks, and providing reliable technical support for precise observation in fields such as ocean monitoring, weather forecasting, and topographic mapping.

The utility model relates to the technical field of zanthoxylum oil production, and provides a spiral dry zanthoxylum squeezing device which comprises a machine table, a squeezing barrel and a motor I. The squeezing barrel is installed at the top of the machine table, the motor I is installed at the rear end of the squeezing barrel, a discharge hopper is arranged at the front end of the squeezing barrel, an oil guide plate is arranged below the squeezing barrel, and an oil storage tank is arranged at the front end of the machine table. The oil storage tank is located below the oil guide plate, a left-right reciprocating assembly is arranged at the bottom of the oil storage tank, and zanthoxylum oil falling on the oil guide plate enters the screen of the built-in frame of the oil storage tank through flow guide. Under the synergistic effect that the electric sliding block drives the oil storage tank to move left and right and the second motor drives the eccentric disc, the ejector block and other structures to move front and back, the screen can filter zanthoxylum oil at different positions. The filtering area and frequency are greatly increased through left-right and front-back shaking, impurities mixed in the zanthoxylum oil can be more effectively removed, and it is guaranteed that the purity of the finally stored zanthoxylum oil is high, and the quality is good.

The invention relates to the field of acquisition and transmission data analysis, in particular to an acquisition and transmission data comparative analysis method based on parameter real-time monitoring. The technical problems that in the prior art, most of collected and transmitted data comparative analysis methods depend on manual data analysis, lack intelligent data processing and exception recognition capabilities, lack advanced algorithm support, incomplete data models and limitation of system architecture, and consequently complex data analysis and processing tasks are difficult to complete automatically are solved; according to the technical scheme, the acquisition and transmission data comparative analysis method based on parameter real-time monitoring comprises the steps that a parameter threshold value and a standard range are set, comparative analysis is conducted on real-time data and historical data, and abnormal points and trend changes in the data are recognized; according to the method, the data is sorted and sorted according to the time sequence, the real-time data and the historical data are compared and analyzed, the influence of interference factors on the data is eliminated through an algorithm model, and the identified abnormal data and trend are analyzed to realize automatic analysis of the data.

The application discloses a system message air interface transmission method, comprising the following steps: determining first indication information, wherein the first indication information is used for indicating whether the network side device has an AI / ML function; and broadcasting a system message, wherein the system message comprises the first indication information. The application also comprises a network side device, a terminal side device, a memory, a processor and a wireless communication system for implementing the method. The application solves the technical problem of blind access of a terminal device, and is especially suitable for a wireless communication scene in which a terminal device supports an AI / ML function.

The utility model discloses a central air-conditioning fan coil, which relates to the technical field of air-conditioning fan coils, and comprises a coil shell, one end of the coil shell is fixedly connected with a double-shaft motor, the output end of the double-shaft motor is fixedly connected with a connecting disc, one side of one end of the coil shell close to the double-shaft motor is fixedly connected with a sleeve, and the other end of the coil shell close to the double-shaft motor is fixedly connected with the connecting disc. And the connecting disc is rotationally connected to the interior of the sleeve, a conveying pipe is fixedly connected between the sleeve and the coil pipe shell, and a transmission block is fixedly connected to one end of the connecting disc. By the adoption of the structure, the installation groove is formed in the shaft rod, the fixing assembly is installed in the installation groove, the fixing assembly is not prone to being lost and convenient and rapid to use, and due to the fact that the installation assembly, the first screw groove and the second screw groove are all located in the sleeve, dust and rust are not prone to being attached to the connecting position, the connecting position can be protected, and the service life is prolonged. And damage to the connecting position is avoided, the service life is prolonged, and therefore the reliability of the fan coil is greatly improved.

This invention discloses a well-seismic combined seismic data overlay method, relating to the field of geophysical exploration processing and interpretation technology in oil and gas field exploration. The method includes the following steps: S1, acquiring acoustic and density logging data, calculating the wave impedance curve and converting it to reflection coefficients, selecting a wavelet close to the seismic data, convolving it with the reflection coefficients to form a conventional synthetic record, and performing well-seismic calibration; S2, determining the target wavelet for overlay, and convolving it with the reflection coefficients to form a broadband synthetic record; S3, combining well-side seismic data, conventional synthetic records, and broadband synthetic records to construct a sample set, and balancing the number of samples; S4, expanding the sample set through mutation; S5, establishing a nonlinear relationship for overlay based on the sample set; S6, applying the nonlinear relationship to conventional seismic data to obtain high-resolution seismic data. This invention utilizes the advantages of wide bandwidth of well logging data and seismic frequency bands to enhance high-frequency seismic data and broaden the seismic frequency band, thereby improving seismic resolution.

The invention relates to the technical field of low-altitude flight operation systems, in particular to a low-altitude linear rail type 3D power grid aircraft operation network system, which comprises a first direction power grid, first direction power grid linear rails of the first direction power grid extend along a first direction of a horizontal plane; a second direction power grid line rail of the second direction power grid extends along a second direction of the horizontal plane; wherein the first-direction power grid line rail and the second-direction power grid line rail are both used for air power taking of an aircraft, the first-direction power grid and the second-direction power grid which are erected in the air are arranged in an up-down layered mode in the height direction, and the first-direction power grid line rail and the second-direction power grid line rail form a 3D power grid with intersection points. The 3D low-altitude operation network has the beneficial effects that the well-well 3D low-altitude operation network is formed through the first-direction power grid and the second-direction power grid which are different in height, and the 3D low-altitude operation network is low in construction cost and lays a foundation for high-frequency, high-density, long-endurance and multi-dimensional low-altitude flight.

The utility model relates to the technical field of battery drying, in particular to lithium battery cell disintegrating slag recycling and drying equipment. The water filtering device comprises a shell, an inner water filtering barrel capable of bearing and heating materials is arranged on the shell, the inner water filtering barrel is arranged in an inclined mode and can rotate around the axis of the inner water filtering barrel, and a material inlet and a material outlet are formed by an inclined upper end opening and an inclined lower end opening of the inner water filtering barrel respectively. A shoveling plate which extends towards the inner cavity of the inner water filtering cylinder is arranged at the material inlet, a gap is formed between the shoveling plate and the wall of the inner cavity, and the gap between the shoveling plate and the wall of the inner cavity of the inner water filtering cylinder is gradually reduced in the material conveying direction. The slag drying device can efficiently and uniformly realize the slag drying operation.

This application provides a multilayer circuit board, a circuit board assembly, and an electronic device. The multilayer circuit board includes a differential signal line, a reference ground layer, and a stub structure. The differential signal line and the reference ground layer are located at different layers of the multilayer circuit board. The stub structure includes a main stub and an auxiliary stub, where one end of the main stub is connected to the reference ground layer, and the auxiliary stub is connected to the main stub. The stub structure of the multilayer circuit board and a nearby conductive structure form a capacitor-inductor equivalent structure, which is equivalent to disposing a capacitor-inductor resonant circuit. In the stub structure, only the one end of the main stub is connected to the reference ground layer, and none of remaining parts is connected to the reference ground layer. Filtering effect of the stub structure is good, and a common-mode interference signal with a higher frequency can be suppressed. The stub structure is a simple structure and occupies less space. This is beneficial to meeting high-frequency and high-density wiring requirements of the multilayer circuit board. In addition, a tolerance capability of the multilayer circuit board in a preparation process is strong.

The invention discloses an electromagnetically-driven sheet surface impact strengthening and toughening tool and a process thereof.The electromagnetically-driven sheet surface impact strengthening and toughening tool comprises a workbench, an edge pressing positioning device and a stepping rotation driving output end, an outer barrel wrapping sleeve is fixedly arranged above the top face of the workbench, and an electromagnetic driving coil is embedded in the top of the outer barrel wrapping sleeve; the bottom end of the stepping rotation drive output end is fixedly connected with an electromagnet assembly, a high-alloy steel male die is movably arranged in the outer cylinder wrapping sleeve, a copper ring is fixedly arranged on the top of the high-alloy steel male die, and steel balls which are evenly distributed are arranged on the bottom face of the high-alloy steel male die. According to the method, the male die with the protruding high-strength steel balls is introduced to replace traditional shots, short-period and high-frequency repeated high-speed impact and efficient shot peening strengthening treatment of the male die on the surface of the plate is achieved, the fatigue strength of the plate is improved, the technological process is simplified, the manufacturing period is shortened, and the production cost is reduced. And the production efficiency is improved.

The utility model provides a gantry type peanut detection device, which comprises an information acquisition assembly, a detection part of the information acquisition assembly is arranged towards the ground, and the information acquisition assembly is used for acquiring information of peanut plants; the guiding assembly extends in the preset direction, and at least part of the information collecting assembly is movably arranged on the guiding assembly in the extending direction of the guiding assembly; the supporting assembly is arranged on the guiding assembly, the supporting assembly is used for supporting the guiding assembly, the supporting assembly is provided with two supporting pieces, each supporting piece is provided with a first supporting part and a second supporting part, the first supporting part is rotatably arranged relative to the second supporting part, and at least part of the second supporting part is connected with the guiding assembly; through the design of the two groups of spacing-adjustable supporting pieces and the rotatable first supporting part, the device can flexibly adapt to test fields of different scales, and the equipment cost and the occupied space are reduced.

This invention relates to the field of intelligent operation and maintenance technology for new energy power generation and power electronic equipment, specifically a fault diagnosis system for photovoltaic inverter operation anomalies. The system includes: an edge data acquisition and dynamic reconstruction unit that maps discrete time-series data into high-dimensional phase space trajectory data; a topological cross-section feature extraction unit that generates a discrete set of two-dimensional intersection coordinates; a topological fingerprint generation unit that generates a topological fingerprint matrix; a cloud-based topological inference unit that generates diagnostic status results; and an anomaly tracing closed-loop control unit that monitors the diagnostic status results in real time and generates a backtracking lock command when the diagnostic status result is abnormal or suspected of being faulty, triggering the edge controller to stop overwriting the circular buffer and lock the corresponding high-frequency original waveform data. This invention enables resource-constrained microcontrollers to complete feature extraction within microseconds, ensuring the real-time performance of edge-side processing.

The invention relates to the technical field of aerospace transportation, in particular to a vertical take-off and landing single-stage injection repeatable heaven and earth back-and-forth carrying method which comprises the following steps: preparing for vertical boosting launching, and simultaneously finishing all preparations before rocket launching; the vertical boosting launching device releases stored energy and boosts the rocket to accelerate; after boosting launching is completed, the rocket engine is ignited to take off and leave the boosting device; the rocket continuously accelerates to the orbit injection speed and then enters a preset orbit; the rocket is adjusted to be in a tail windward configuration needed by reentry, and the rocket is decelerated to enter a reentry window; a rocket enters the atmosphere with the tail nozzle taper plug outsole as a windward side, and the thermal protection capacity of the taper plug outsole is enhanced through a regeneration cooling structure in the taper plug outsole structure. And the rocket vertically lands to the original boosting launching rack and waits for a re-launching task at the original position. According to the invention, by constructing an integrated vertical take-off and landing, single-stage orbit injection, orbit reentry and in-situ recovery process, high-frequency, low-cost and flight-based operation of a sky-ground back-and-forth carrying task is realized.

The invention discloses a residual spray insecticide composition containing a piperic acid derivative compound, wherein the effective components are composed of A and B, wherein A is a piperic acid derivative compound, and B is one or more of high-efficiency cypermethrin, cyfluthrin, bifenthrin, deltamethrin, cis-cypermethrin, high-efficiency cyfluthrin, and high-efficiency cyfluthrin. The composite weight ratio A:B is 10:1 to 1:2. The binary composition solves the problem of resistance of sanitary pests to pyrethroids, improves the prevention effect, reduces the amount of application, reduces the irritation of application, and prolongs the lasting effect. Component A, as a lethal agent, has no cross-resistance with pyrethroids, has a good lethal effect, and has no repellency to sanitary pests. It is widely used in hotels, schools, factories, farms and other places, and has a special effect on preventing and controlling sanitary pests.

The utility model discloses a six-cavity diaphragm booster pump / self-priming pump capable of improving shock absorption and noise reduction functions, which comprises a motor, an eccentric wheel, a bearing, a bearing frame, a piston, a pump shell support, a diaphragm piece, a middle plate, a pump cover and a pressure relief mechanism, and a water inlet cavity, a water inlet valve, a water drainage cavity and a water drainage valve are arranged on the inner side of the middle plate. The pump cover is provided with a water inlet, a water inlet channel, a water outlet, a water outlet channel, six sets of water inlet cavities, six sets of water inlet valves, six sets of drainage cavities and six sets of drainage valves; six water containing cavities are formed in the inner cavity wall of the pump cover, the total water inlet amount and the total water outlet amount in unit time are divided into more equal parts by additionally arranging a water inlet cavity, a water inlet valve, a water outlet cavity and a water outlet valve, so that the water inlet frequency and the water outlet frequency are increased, meanwhile, the water inlet amount and the water outlet amount of a single time are reduced, but the total water inlet amount and the total water outlet amount are not changed; therefore, vibration of the water flow to the water outlet pipe and the pump body is reduced, and noise caused by vibration is also reduced.

The invention relates to a tool and a method for assisting a business hall to carry out window service, which are characterized in that an input association form is judged, a corresponding conversion time range is determined according to the specific length of data in different forms and the conversion frequency among the different forms, and a calibration time range belonging to a corresponding link is determined; then, a basic range is positioned in a calibration time range of different links, so that a final to-be-transformed form is positioned, the information form transformation frequency is higher, the time is shorter, the extraction time is reduced to the maximum extent, and the extraction frequency is ensured; in order to distinguish whether the service prediction information has the corresponding business hall window which is not input or not in the tracing period, the corresponding associated time-point line is combined to execute centralized analysis, so that the associated business hall window which is not input can be efficiently positioned and directly displayed, and therefore, related operators can timely grasp the input information of the service prediction information, and the service prediction efficiency is improved. And the method is suitable for information backtracking for future service prediction.

The invention discloses an air compressor system for a multi-axle engineering vehicle and a control method, and relates to the technical field of air compressors of the multi-axle engineering vehicle, the air compressor system for the multi-axle engineering vehicle comprises an air storage tank, an air compression structure, a sensing module and a control module, the air compression structure comprises a first air outlet end and a second air outlet end, the first air outlet end and the second air outlet end are both communicated with the air inlet end of the air storage tank; the sensing module is used for sensing the internal pressure value of the air storage tank and the output air pressure value of the second air outlet end; the air compression structure and the sensing module are electrically connected with the control module; according to the technical scheme, through cooperation of the sensing module, the control module and the air compression structure, the air compression structure can supply air to the air storage tank through the first air outlet end and / or the second air outlet end according to the actual situation of the multi-axle engineering vehicle, the problem that the braking effect is unstable due to the fact that the air pressure drops too fast is solved, and the braking efficiency is improved. And the working efficiency and the safety of the multi-axle engineering vehicle are improved.

The utility model discloses a kind of multifunctional track inspection devices, it is related to track inspection technical field, the multifunctional track inspection device includes electric mobile base, the upper surface of the electric mobile base is provided with shell, the outer wall of the electric mobile base close to shell is fixedly connected with mounting rod by bolt, the end of the mounting rod close to shell is fixedly connected three-dimensional laser scanner by bolt.The utility model is through three view camera, three-dimensional laser scanner, vibration mechanism and dynamic detection mechanism cooperation, reached the effect that detection object is diversified, detection range is wider, so that device can simultaneously knock detection to rail and its connecting component (such as bolt), break through the limitation that existing technology is more concentrated in single component detection, realize the multi-target collaborative detection to track system key component, improve the comprehensiveness and systematicness of track overall health assessment.

The utility model relates to the technical field of light supplementing lamp, concretely is a kind of light supplementing lamp of portable mobile device, including equipment main body, lamp holder, charging head, charging shell and display screen, lamp holder is fixedly connected with the surface of equipment main body, charging head is located inside the internal adaptation of equipment main body, charging shell is fixedly connected with one end of charging head, display screen is fixedly connected on the surface of equipment main body, the surface of lamp holder is provided with protection device, and protection device includes protective cover and adaptation ring.The utility model, by setting protection device, effectively shield dust protection to lamp holder, has played the role of reducing lamp holder damage, in general equipment in mobile use scene, lamp holder is extremely easy to accumulate dust, contaminate water vapor because of exposure in complex environment, these conditions can all interfere with the normal light emitting effect of lamp holder, reduce light supplementing quality, shorten the effective use length of lamp holder, increase the frequency and cost of repair or replacement, the protection device improves the use extension of equipment.

The present invention discloses an efficient six-chamber energy-saving impact sand making machine impeller, including a crushing tank, wherein an impeller is arranged in the crushing tank; the impeller includes an upper protective disc and a lower protective disc, and six supporting bodies are fixedly arranged between the upper protective disc and the lower protective disc, and the six supporting bodies are arranged in a circular array with a feed barrel as the center, and the two ends of the six supporting bodies mutually form a discharge channel, a first plate hammer is installed at one end of the supporting body, and a second plate hammer is installed at the other end of the supporting body, and a first alloy cutter head and a second alloy cutter head are arranged between the first plate hammer and the six supporting bodies, and one side of the second plate hammer is arranged toward the first plate hammer. The present invention changes the 3-chamber impeller into a 6-chamber impeller, and the stone is thrown out by the impeller rotor and thrown onto the crushing wall, and then rebounds back to continuously hit, whether it is stone hitting stone or stone hitting iron, the number of times the stone hits increases, the frequency is improved, and the sand formation rate is high.