444results about How to "Easy to read" patented technology

The invention discloses a method and device for automatically converting a cross-format document into a Markdown document and a form enhancement method and system. The Markdown document conversion method comprises the following steps: firstly, obtaining a document image; mining hidden structure information from the document image, wherein the hidden structure information comprises target elements and hierarchical relationships among the target elements; performing semantic content analysis on the document image based on the structure information to obtain a semantic content analysis result; extracting key information in the document image according to an analysis result; the key information is converted into a Markdown format, preliminary formatting is carried out in a form or list mode, and a preliminary Markdown form is obtained; and finally, optimizing the preliminary Markdown form to form a target Markdown form, so that the cross-format document is automatically converted into the Markdown. According to the method, a complex nested structure and a form with irregular layout in the document can be effectively identified and converted, and the integrity and readability of form information when the form is converted into the Markdown format are ensured.

The invention discloses a mutation site combination for detecting susceptible genes of a type 2 diabetes kidney disease, which comprises eight SNP sites, application of primers for detecting the SNP sites in preparation of products for evaluating the risk of the type 2 diabetes kidney disease, and a primer kit for detecting the SNP site combination related to the type 2 diabetes kidney disease. According to the present invention, the importance of the pathogenesis relationship between the SNP site combination and the type 2 diabetes kidney disease is comprehensively evaluated by detecting the SNP site combination, the accuracy of the SNP site analysis is improved, and the provided kit provides the simple and effective auxiliary means for detecting the risk of the type 2 diabetes kidney disease; the method is suitable for prediction, prevention and individualized diagnosis and treatment of patients with the type 2 diabetes kidney disease.

The invention relates to the technical field of image processing, in particular to a dark-red enameled pottery seal image generation system, which comprises an interaction module for acquiring a gray image and an HSV image of a dark-red enameled pottery seal image; the feature extraction module is used for performing feature extraction on the acquired dark-red enameled pottery image and judging the processing intensity of the dark-red enameled pottery image; the character enhancement module is used for analyzing the character enhancement scheme of the dark-red enameled pottery seal image; the texture enhancement module is used for analyzing the texture enhancement scheme of the dark-red enameled pottery seal image; the color adjusting module is used for analyzing the color adjusting scheme of the dark-red enameled pottery seal image; the image generation module is used for outputting the image generation scheme to a user; the quality evaluation module is used for evaluating the quality of the generated image; and the quality monitoring module is used for monitoring the quality of the image generated in the monitoring period according to the quality evaluation result of the image generated in the monitoring period. According to the invention, the seal image generation efficiency is improved.

The invention relates to the field of voice recognition, in particular to a voice recognition method and system of an intelligent voice robot. The method comprises the following steps: collecting user real-time dialogue audio and a user dialogue monitoring image; performing noise reduction separation processing on the real-time dialogue audio of the user, and performing audio distortion optimization to obtain a distortion optimized dialogue audio; performing micro-expression recognition on the user dialogue monitoring image, and performing emotional state feature mining so as to generate real-time emotional state features of the user; performing user semantic pause recognition on the distortion optimization dialogue audio, and performing key vocabulary feature analysis to obtain a key field of each frequency domain unit; and carrying out multi-scale convolutional learning on the key field of each frequency domain unit, and then carrying out audio context association mining so as to generate a user audio context association map. According to the invention, efficient and accurate speech recognition is realized.

The invention discloses a kit for detecting salmonella enteritidis and application of the kit, and belongs to the technical field of biomolecular detection. The kit comprises the following components: an allosteric aptamer probe of which the nucleotide sequence is as shown in SEQ ID NO.1, a template chain of which the nucleotide sequence is as shown in SEQ ID NO.3 and a fluorescence report probe of which the nucleotide sequence is as shown in SEQ ID NO.4. According to the kit, salmonella enteritidis can be distinguished from other impurities, and the specificity is high; a visual fluorescence signal can be obtained and is easy to interpret; according to the invention, a template chain can be cyclically utilized in the reaction to generate a Trigger chain to guide the TtAgo protein to efficiently and specifically cut a fluorescent reporter probe, the output signal is increased, the detection time is short, the detection limit is low, the sensitivity is high, the specificity is good, and the method has practical popularization and application prospects.

The invention belongs to the technical field of brain analysis and detection, and particularly discloses a cerebral cortex secreted substance detection method which comprises the following steps: creating a first folder, and storing brain detection data of a detector into the first folder; configuring detection software; creating a second folder, and constructing a first association relationship between the second folder and the first folder; processing the brain detection data through detection software to generate analysis data, and storing the analysis data in a second folder; creating a third folder, and copying the analysis data into the third folder; constructing a second association relationship among the analysis data in the third folder, and marking the analysis data in the third folder through the second association relationship and the first association relationship; outputting the third folder as a detection result; the method has the following advantages that through hierarchical folder management, data backup and parallel processing, data management transparency and processing efficiency are improved, automatic analysis is achieved, data integrity is ensured, and result output is simplified.

The utility model relates to the technical field of medical instruments, and discloses a urine collecting assembly which comprises a top cover, a base, a flexible bag, a collecting pipe, a discharging pipe and at least two telescopic rods, and a containing cavity is formed in the top cover; one end of the telescopic rod is connected with the top cover, and the other end is connected with the base; one end of the flexible bag is connected with the bottom face of the top cover, the other end of the flexible bag is connected with the top face of the base, the flexible bag is provided with a collecting opening and a discharging opening, the collecting pipe is connected to the collecting opening, the discharging pipe is connected to the discharging opening, and volume scales are arranged on the side wall of the flexible bag. According to the urine collecting assembly, urine can be conveniently collected and stored at low temperature.

The invention discloses a kit for detecting HLA-B27 and a detection method. The kit for detecting HLA-B27 comprises a PCR (Polymerase Chain Reaction) solution, a primer probe mixed solution, a positive reference substance and a negative reference substance, the primer probe mixed solution comprises an upstream primer 1F, a downstream primer 1R and a probe 1P for detecting the HLA-B27, and an upstream primer 2F, a downstream primer 2R and a probe 2P for detecting a reference gene. A fluorescent PCR-melting curve method is adopted, sequence alignment is carried out according to an NCBI database, primers and probes which are high in specificity and capable of simultaneously detecting main subtypes (HLA-B27: 02, HLA-B27: 04, HLA-B27: 05, HLA-B27: 06, HLA-B27: 07 and HLA-B27: 24) of the HLA-B27 are selected, and compatibility detection of different subtypes of the HLA-B27 can be achieved through a pair of primers and a probe. The Tm value in the melting curve instead of the Ct value of the amplification curve is adopted for result judgment, qualitative accuracy is achieved, and the result is visual and easy to interpret.

The utility model discloses an adjustable river depth hydrographic measuring rod, which relates to the technical field of measuring rods, and comprises a measuring rod, the measuring rod comprises a measuring rod main body, an auxiliary part is arranged on the measuring rod main body, the measuring rod main body comprises a first positioning rod, a second positioning rod is connected in the first positioning rod in a sliding manner, and the auxiliary part comprises an index assembly. A limiting assembly is arranged on the index assembly, a water inlet hole is formed in one side of the first positioning rod, a first observation window is fixedly connected to one side of the first positioning rod, a first graduated scale is arranged on one side of the first positioning rod, and the first graduated scale corresponds to the first observation window. According to the utility model, the horizontal plane can be distinguished, so that data can be read more intuitively, relatively large floating does not easily occur relative to the external indicator and the indicator in the measuring rod, data reading is facilitated, meanwhile, the rotating shaft can be limited, and the situation that the rotating shaft still rotates after take-up and pay-off, and recovery and fixation of the indicator are not facilitated is prevented.

The present invention relates to the technical field of bridge detection, and specifically to a bridge pavement water seepage detection device. The present invention comprises a base, a support plate is arranged above the base, a measuring cylinder is arranged vertically above the support plate, and a floating ball is arranged inside the measuring cylinder; sleeve rods are fixedly installed on the top of the support plate at positions on both sides of the measuring cylinder, a support rod is arranged on the sleeve rod, a top plate is fixedly installed on the top of the support rod, a panel is arranged on the top plate, a slide groove is vertically arranged on the panel, a slider is slidably installed in the slide groove, a pointer is arranged on the slider, a pulley is arranged below the top plate, and the floating ball and the slider are connected by a pull rope. The present invention, the floating ball moves down as the water level inside the measuring cylinder drops, thereby driving the slider to move up along the slide groove through the pull rope, thereby driving the pointer to move upward, and the distance moved by the pointer is the height of the water level drop inside the measuring cylinder, and the required data can be directly read from the panel, and the height of the panel can be changed by setting the sleeve rod and the support rod, so as to facilitate the detection personnel to read the data.

The invention provides a size detection device for glass production and manufacturing, and relates to the technical field of glass size detection. The size detection device for glass production and manufacturing comprises a working table, an adjusting mechanism is arranged in the working table, four positioning plates distributed in a square shape are arranged on the upper surface of the working table, the four positioning plates are concentric with the working table, the adjusting mechanism drives the four positioning plates to synchronously move towards or deviate from the central point, and the adjusting mechanism is arranged on the upper surface of the working table. The side walls of the two oppositely-distributed positioning plates are fixedly connected with a connecting plate, the outer side of the connecting plate is connected with a scale plate, the device further comprises a top plate and a moving mechanism which are located above the workbench, and the left side of the lower surface of the top plate is slidably connected with a downward laser range finder through the moving mechanism. And a detection mechanism is arranged in the middle of the top plate and drives to-be-detected glass to perform rotary detection. Through the adjusting mechanism and the positioning plate, the center point of the glass can be conveniently and accurately found, and then rapid measurement is achieved.

The invention relates to the technical field of detection sample sealing, in particular to an instant-drying type slide sample sealing protection device which comprises a slide tray provided with a slide placing groove used for placing a slide; the linear driving module is connected with the slide tray and is used for driving the slide tray to linearly act; the glue adding module comprises a glue dripping head located above the moving path of the slide tray and is used for adding glue to the sample area of the slide; the glue scraping module comprises a scraping blade, and the scraping blade is located above the moving path of the slide tray and used for scraping glue on the slide; and the glue drying module is positioned on one side of the glue scraping module and is used for drying glue on the slide. According to the method, a brand new process is adopted, cover glass does not need to be placed on the slide, the problem of cover glass fragmentation and the problem of mounting medium pasting are avoided, the problem of mutual intersection of smear lamination storage is solved, the storage efficiency of a smear cabinet is improved, and rapid smear sealing can be achieved.

The invention relates to the technical field of optical encryption, and discloses a photosensitive polyurethane film with a surface relief grating pattern and a preparation method and application thereof.The method comprises the steps that in an ice bath and inert atmosphere, toluene diisocynate and a dihydropyridine photosensitizer monomer are added into N, N-dimethylformamide, and a mixture is obtained; the preparation method comprises the following steps: adding the raw materials into a mixed solvent of N, N-diethyl formamide and dimethyl sulfoxide, and then dropwise adding 1, 4-dibutanol; removing the ice bath, and reacting at the temperature of room temperature to 60 DEG C to obtain a photosensitive polyurethane solution; spin-coating the photosensitive polyurethane solution on a substrate, and drying to obtain a photosensitive polyurethane film; and exposing the designed mask plate on the surface of the photosensitive polyurethane film. According to the invention, the non-covalent interaction difference of the polymer-dihydropyridine / pyridine part can be constructed to realize effective surface patterning, and the generation of a two-dimensional ordered grating-shaped wrinkle structure with a sinusoidal phase is realized on the surface of the polyurethane film in a wrinkling manner in combination with an optical anti-counterfeiting technology, so that pattern anti-counterfeiting is realized.

The utility model belongs to the technical field of automobile part torsion testing, and particularly relates to a part torsion testing mechanism which comprises a fixing frame, the fixing frame is in a rectangular frame shape, two parallel rotating rods are arranged on the inner side wall of the fixing frame in a front-back rotating mode, and the left side and the right side of a rod body of each rotating rod are provided with external threads with opposite thread directions. The outer threads on the same left side and the outer threads on the same right side are jointly in threaded connection with a clamping plate. According to the utility model, a to-be-tested bolt is placed between the two clamping plates, the driving rod is driven to rotate through the hand rocker to clamp a screw, then the mounting cylinder is slowly driven to descend through the handle to enable the nut to be inserted into a hole of the clamping groove, and then the torsion testing motor is started to drive the mounting cylinder to rotate, so that the nut is screwed and fixed. When the torsion sensor monitors the torsion of the output shaft of the torsion testing motor, data are digitalized and then displayed on the display screen, so that the torsion of the bolt is known, and the bolts of different models are tested.

The invention discloses a drawing table recognition system, which comprises a drawing coordinate acquisition module used for inputting a drawing into a table area detection model to obtain vertex coordinates of each cell in the drawing, and calculating center point coordinates of each cell according to the vertex coordinates of each cell; the text area detection module is used for inputting the drawing into the OCR model to obtain vertex coordinates and text content of each textbox in the drawing, and calculating center point coordinates of each textbox according to the vertex coordinates of each textbox; and the textbox and cell matching module is used for sequentially calculating the distance between the central point coordinate of each textbox and the central point coordinate of each cell, and matching the textbox with the minimum distance between the central point coordinate of the textbox and the central point coordinate of the cell with the cell. According to the method, the table region detection model and the OCR model are combined, and the matching relation between the textbox and the cells is accurately restored.

The utility model discloses a fluorination double gauge valve with gauge heads capable of being disassembled and assembled quickly, which comprises a double gauge valve main body, pressure gauges, first connectors, second connectors and a movable sleeve, the two first connectors are arranged at the upper end of the double gauge valve main body, each first connector corresponds to one pressure gauge, the second connectors matched with the first connectors are arranged on the pressure gauges, and the movable sleeve is arranged on the double gauge valve main body. A first communicating hole is formed in the first connector, a second communicating hole is formed in the second connector, a part of the second connector is inserted into the first communicating hole, an annular mounting groove is formed in the inner wall of the first communicating hole, and a first sealing ring is embedded in the annular mounting groove. According to the utility model, the movable sleeve, the steel ball and the limiting groove are matched with one another, so that the pressure gauge can be conveniently mounted and dismounted, the replacement speed of the pressure gauge is improved, and meanwhile, the situation that the fluorine-adding double-gauge valve is discarded due to the fact that the pressure gauge cannot be dismounted can be avoided.

The utility model discloses a measuring device for a DCS (Distributed Control System) limit switch of a sliding plug door of a motor train unit, which comprises a device main scale, and a digital display frame body is sleeved in the middle of the outer wall of the device main scale. According to the measuring device for the DCS limit switch of the sliding plug door of the motor train unit, the device main ruler is installed and is of a U-shaped structure, and a friction strip is attached to the main body part of the device main ruler, so that a digital display frame connected to the middle of the device main ruler in a sleeving mode ensures that a digital display meter accurately reads data in the sliding process, and the device main ruler is not engraved with scale marks; the digital display frame body and the laser lamp post on the connecting seat on one side of the digital display frame body are used for measuring and counting according to the relative displacement in the sliding process, then a bolt penetrates through a threaded hole to fix the laser lamp post between the laser lamp fixing base and the laser lamp fixing seat, and digital display measurement reading is realized by using an infrared laser positioning technology; the position of the DCS limit switch in the sliding plug door operation and the position of the sliding plug door after the sliding plug door is completely locked are rapidly and accurately measured, and mistaken replacement and missing replacement of parts caused by measurement errors are prevented.

The utility model relates to the technical field of English learning auxiliary equipment, and particularly discloses a device for assisting English reading, which comprises an upper clamping plate and a lower clamping plate, a first screw rod is rotatably arranged on one side of the upper end of the upper clamping plate, limiting plates are arranged on the first screw rod and on the two sides of the upper clamping plate, and a first screw hole is formed in one side of the upper end of the lower clamping plate. The lower end of the first screw is in threaded connection with the first screw hole, the upper clamping plate and the lower clamping plate are connected through the first screw, a first anti-skid knob is arranged at the upper end of the first screw, limiting columns are symmetrically arranged on the upper clamping plate, sliding grooves are symmetrically formed in the lower clamping plate, and the limiting columns are in sliding fit with the corresponding sliding grooves; a pipe body with an internal thread is arranged at the upper end of the upper clamping plate, a lifting rod is arranged in the pipe body with the internal thread, the lifting rod is in threaded connection with the pipe body with the internal thread, and a secondary telescopic rod is detachably arranged at the upper end of the lifting rod; a round rod is arranged at one end of the secondary telescopic rod, a round pipe is rotatably arranged on the round rod, a book placing plate is arranged at the other end of the round pipe, and a placing groove is formed in the book placing plate.

The invention discloses an intelligent building intercom system and an intercom control method, and relates to the field of intelligent buildings. The system comprises a building doorway talkback unit, a communication unit, a video processing unit and an indoor talkback unit, the building doorway talkback unit is used for acquiring visitor information of visitors, and the visitor information comprises at least one of a figure video and first voice talkback information; the communication unit is connected with the building doorway talkback unit and is used for transmitting the visitor information; the video processing unit is connected with the communication unit and is used for generating corresponding sign language information according to sign language actions when identifying that the character video contains the sign language actions; and the indoor talkback unit is connected with the communication unit and is used for receiving the visitor information and / or the sign language information and displaying the sign language information on a first display screen of the indoor talkback unit in a character form. According to the invention, the barrier-free communication function of the system is enhanced, and the communication efficiency and convenience between visitors and residents are improved.

The invention discloses an IFC standard-based method for realizing webpage-side bridge construction progress simulation. The method comprises the following steps of: creating a BIM model by using BIM modeling software supporting IFC and exporting the BIM model as an IFC file; making a construction progress plan by using project management software, and associating the plan with a BIM model component to realize information integration; extracting progress information from the integrated IFC file, and converting the progress information into a JSON format suitable for the webpage for storage; reading the JSON file by a webpage front end, and drawing and updating a construction progress Gantt chart in real time; carrying out lightweight processing on the IFC file so as to display a BIM model on a webpage; in combination with a Gantt chart, calculating and displaying components which need to be displayed at present, and realizing visualization of the construction progress; according to the method and the system, the IFC file is subjected to lightweight processing, the progress information is extracted, the Gantt chart is drawn, and linkage display of the BIM model and the Gantt chart is realized, so that the problems in the prior art are solved, and the efficiency and convenience of construction project management are improved.

The utility model discloses a mortar consistency measuring device which comprises a base, a test cone and a conical barrel, a supporting mechanism is arranged at the top of the base and comprises a supporting column, a guiding assembly and a limiting assembly, the guiding assembly is used for guiding lifting of the test cone and comprises a measuring rod and a limiting sleeve, and the limiting sleeve is arranged outside the measuring rod in a sleeving mode. The test cone is fixedly connected to the bottom end of the measuring rod, the measuring rod comprises a rod body and a rack, and the rack is fixedly connected to one side of the rod body. When the mortar consistency measuring device is used for measuring the consistency of mortar, the measuring rod slides in the sliding sleeve to enable the rack to be meshed with the gear, so that the measuring rod and the sliding sleeve can be in a stable state only by utilizing the latch block to limit the gear, the spring can pull the latch block to descend only by pushing the shifting piece to be separated from the magnet piece in the process of triggering the latch block, and the consistency of the mortar is measured. Therefore, the transient response effect is achieved in the process, the measuring and reading time can be controlled more accurately, and the measuring result is more accurate and reliable.

The invention discloses a Linux-oriented vulnerability repair verification method and system and a medium. The method comprises the steps of creating a test application form for a CVE vulnerability patch in a task management system, preparing a test environment for CVE vulnerability repair verification as well as a required test table, a software source and a test strategy file, and calling a tool interface to automatically trigger an assembly line; the assembly line executes the test suite in the test environment based on the test table, the software source and the test strategy file and collects an execution state, and if the execution state is failure, automatic retry can be carried out on the CVE vulnerability based on manual triggering; and finally, generating a report file, writing a verification result for the test application form in the task management system, and if the verification result is that verification is passed, issuing a service pack of the CVE vulnerability. The invention aims to realize efficient, traceable and extensible Linux vulnerability repair verification, realize full automation and intelligence of the vulnerability verification process, and improve the accuracy, traceability and expandability of verification.

The application relates to the technical field of identity recognition, in particular to a face living body detection method and system, a terminal device and a storage medium, which comprises the following steps: calculating the four-corner coordinates of a color face image and an infrared face image according to a face detection algorithm; then calculating the corresponding face feature values according to the four-corner coordinates algorithm; if the corresponding feature difference values between the face feature values meet preset feature difference value standards; converting the color face image according to a preset image conversion rule to generate a corresponding color space image; processing the color space image according to a feature extraction algorithm to generate a corresponding enhanced feature vector; and performing judgment processing on the enhanced feature vector according to a preset feature normalization model to output a corresponding living body judgment result; and determining whether the face is a living body according to the specific judgment value of the living body judgment result. The face living body detection method and system, the terminal device and the storage medium provided by the application have the effect of improving the face living body detection accuracy.

The utility model discloses a liquid level observation device for a harbor type pump pool, and relates to the technical field of liquid level observation. The device comprises a bottom plate, a protection mechanism and a configuration mechanism are arranged on the bottom plate, and the protection mechanism comprises a plurality of clamping plate sets fixedly connected to a top plate of the bottom plate. By arranging the protection mechanism, in the process that the floating block floats along with the water surface, the filter screen on the outer side of the floating block can effectively intercept impurities on the water surface and prevent the impurities from winding or blocking the floating block, the accuracy of water level measurement is guaranteed, and if the filter screen is blocked due to long-term use and needs to be cleaned, the indication blocks on the two sides can be pulled outwards to prevent the floating block from being blocked. The indicating block slides along the outer wall of the first sliding rod, meanwhile, the spring on the first sliding rod is compressed, the spring accumulates energy so that follow-up resetting can be facilitated, limiting of the filter screen is relieved along with outward movement of the two clamping blocks, at the moment, the filter screen can be pulled out by means of sliding of the filter screen in the multiple clamping plate sets, and therefore the filter screen can be conveniently cleaned or replaced.

The utility model discloses an information recording board for engineering consultation. The information recording board comprises a recording board, a locking piece and a clamping piece, the locking piece is installed on the front face of the recording plate and used for abutting against file paper. The clamping piece is installed on the back face of the recording plate and used for clamping files. Wherein the locking piece comprises a support, a rotating shaft, a torsional spring and an overturning plate; the supports are symmetrically installed on the front face of the recording plate, the rotating shaft is rotatably installed between the two supports, the overturning plate is fixed to the rotating shaft, and the torsional spring is installed on the rotating shaft. The recording plate is reasonable in structure, files and recording paper can be used in a double-face mode through the front face and the back face of the recording plate, and the practicability of the recording plate is improved.

The present application discloses a SLAM navigation positioning and three-dimensional reconstruction method and device, which relates to the field of SLAM three-dimensional reconstruction and pose estimation. The method includes using a YOLOv8 target detection network to identify and detect dynamic and static targets in the environment in real time, thereby making dynamic and static judgments of feature points according to dynamic and static target detection frames; using static feature points that exclude dynamic feature points to estimate pose trajectories, then making dynamic and static judgments of key frame pixel points according to dynamic and static target detection frames, generating a fully static three-dimensional point cloud map according to static pixel points, and performing SLAM navigation positioning according to pose trajectories and three-dimensional point cloud maps of fully static environments. The present invention can improve pose estimation accuracy and mapping accuracy in dynamic environments, and can realize real-time operation of the SLAM system, thereby ensuring the accuracy and real-time performance of SLAM navigation positioning.

The utility model discloses a spectrometer, which relates to the field of optical teaching aids and comprises a base assembly and a rotating seat assembly which can rotate relatively. A dial and an alidade are arranged between the base assembly and the rotating seat assembly; the dial and the alidade are respectively in one-to-one correspondence with the base assembly and the rotating seat assembly and are fixed; the dial is provided with a first scale bar, and the first scale bar is arranged around the rotating center between the base assembly and the rotating seat assembly; a second scale bar is arranged on the alidade; the plurality of scale marks of the second scale bar can be overlapped with the plurality of scale marks of the first scale bar to form a plurality of corresponding overlapping areas; and the overlapping areas of the plurality of overlapping regions are different. According to the spectrometer, a user can read conveniently, the situation that the attention of the user is distracted is reduced, the user is helped to read rapidly, and the reading time is saved.

The utility model provides a kind of for luggage's weighing device, belong to luggage technical field.It solves the existing travel to the luggage weight weighing troublesome problem.The utility model includes box, base assembly, lock.Locker is fixedly connected on the box, and four base assemblies are installed on the other side symmetrical to the box.The lock includes lock shell, display, button, combination lock component.The base assembly includes shell, cover plate and support leg, and the shell is divided into hard shell part and soft shell part of stretchable bending.The shell inner wall has connecting column and protruding portion.The shell inside is equipped with cavity, from top to bottom respectively there is cover plate, gravity sensor, contact piece and support leg, and the cover plate is connected with gravity sensor below.The gravity sensor below has contact piece, and the contact piece is connected with support leg.The lower part of support leg is connected with shell bottom, and the contact piece and support leg can move up and down in shell.The utility model has the advantages of high practicality, high precision.

The utility model relates to the technical field of weighing hoppers, and discloses a weighing hopper which comprises a supporting frame used for supporting a material hopper, supporting frame legs are fixedly arranged at the four corners of the supporting frame, a cross plate frame is fixedly arranged at the upper end of the material hopper, the cross plate frame is hung on an electronic weighing device, and the electronic weighing device is arranged on the supporting frame. And the electronic weighing device is fixed on the supporting frame and weighs the material hopper, so that weight data on the electronic weighing device can be conveniently and directly read without accumulative calculation, and the electronic weighing device is more convenient and efficient. Weighing data are easy to read, after weighing is completed, the electric push rod is pulled upwards to enable the discharging port to be exposed, and materials can be gathered inwards from the discharging port and discharged orderly through the opening in the lower end of the piston blocking cylinder.

The invention relates to the technical field of ship thrusters, and discloses a propeller stroke feedback device for a ship thruster, which comprises a connecting flange, one end of the connecting flange is fixedly connected with a feedback guide frame, one end of the feedback guide frame is slidably connected with a feedback sliding block, and the top of the feedback sliding block is fixedly connected with a feedback rotating shaft. The exterior of the feedback rotating shaft is rotatably connected with a connecting plate, one end of the connecting plate is fixedly connected with a feedback rod, one end of the feedback rod is fixedly connected with a joint bearing, an angle sensor is arranged at the top of the graduated scale, and the oil distribution ring drives the connecting flange and the feedback guide frame to move, so that the feedback sliding block linearly moves in the feedback guide frame; and meanwhile, the feedback sliding block drives the connecting plate and the feedback rod to rotate through circular motion around the center of the feedback rod, so that linear motion is restored to circular motion, the calibrated scale is used for converting a stroke feedback signal in a scale form to facilitate reading of the angle sensor, and therefore electrical signal feedback based on mechanical feedback is achieved.