Multifunctional cable trough blocking and protecting mechanism and control method

The invention discloses a multifunctional cable trough blocking and protecting mechanism and a control method, the multifunctional cable trough blocking and protecting mechanism comprises a scraper machine middle trough and a cable trough arranged on one side of the scraper machine middle trough, and a first baffle and a second baffle are arranged on the outer side walls of the two side walls of the cable trough respectively; the sides, facing the bottom end of the cable trough, of the first baffle and the second baffle are connected through a U-shaped frame, the U-shaped frame is in sliding connection with the cable trough, and a telescopic supporting assembly used for controlling the U-shaped frame to move in the vertical direction is arranged at the end, facing the cable trough, of the scraper middle trough. The system further comprises a camera monitoring part for monitoring the working face of the cable trough in real time, the camera monitoring part is connected with a ground video ...

Method and device for automatically placing tree models in large-scale city scene

The invention provides a method and device for automatically placing tree models in a large-scale city scene. According to the method, after vegetation semantic segmentation is carried out on a to-be-processed remote sensing image to obtain a binary image corresponding to the to-be-processed remote sensing image, a configured to-be-placed tree rectangular area is arranged in a vegetation area of the binary image to obtain a first coordinate of a to-be-placed tree in the vegetation area; after vector data of each road in the to-be-processed remote sensing image is obtained, determining second coordinates of the to-be-placed trees in a street tree area of the corresponding road based on the vector line segment of each road, the normal vector of the corresponding vector line segment and the configured distance between the to-be-placed trees; and according to the first coordinates and the second coordinates, performing coordinate transformation on each to-be-placed tree model, and determining ...

显示屏幕面板的监测图形用户界面

Coal rock identification method and device

The invention provides a coal rock identification method and device, and relates to the technical field of coal mining. The coal mining machine is monitored through the sound sensor, so that the audio signal of the coal mining machine is obtained; monitoring the coal mining machine through a vibration sensor to obtain a vibration signal of the coal mining machine; an audio time-frequency spectrum corresponding to the audio signal and a vibration time-frequency spectrum corresponding to the vibration signal are obtained, and the audio signal and the vibration signal are in a time synchronization state; and according to the audio time-frequency spectrum and the vibration time-frequency spectrum, determining a prediction category of the coal rock cut by the coal mining machine. According to the method, the prediction category of the coal rock cut by the coal mining machine is determined based on fusion analysis of the audio signal and the vibration signal of the coal mining machine, limitation ...

Inspection device and inspection system

The invention relates to the technical field of inspection, in particular to an inspection device and an inspection system.The inspection device comprises a power supply unit, a supporting assembly and an inspection unit, the power supply unit is suitable for being connected with underground equipment, one end of the supporting assembly is suitable for being connected with the underground equipment, and the inspection unit is connected with the end, away from the underground equipment, of the supporting assembly; according to the inspection device provided by the invention, the operation stability of the inspection device can be improved, and the inspection effect of the inspection device is improved.

Coal rock identification method and device

The invention provides a coal rock identification method and device, and relates to the technical field of computers. The method comprises the following steps: monitoring the coal mining machine through a sound sensor to obtain a to-be-detected audio signal, and obtaining a plurality of reference audio features; performing feature extraction on the to-be-detected audio signal to obtain a first audio feature; determining a second audio feature from the plurality of reference audio features according to the similarity between the first audio feature and the plurality of reference audio features; according to the category to which the second audio feature belongs, a first prediction category of the coal rock cut by the coal mining machine is determined, and the first prediction category is used for indicating coal or rock. Therefore, according to the similarity between the audio feature of the to-be-detected audio signal of the coal rock cut by the coal mining machine and the plurality of ...

EVA HOT-MELT ADHESIVE MATERIAL AND METHOD FOR PREPARATION THEREOF

The present invention provides an EVA hot-melt adhesive material and method for preparation thereof; an ethylene-vinyl acetate copolymer (EVA)/maleic anhydride (MA) is taken as a compatibilizer; taking linear low-density polyethylene (LLDPE)/modified nano-silica/modified organic montmorillonite (OMMT)/lightweight CaCO3 as the primary modifier, a blend is made and modified to obtain the material. The hot melt adhesive prepared in the present invention has excellent heat resistance, resistance to environmental stress cracking, resistance to warpage, and high cohesive strength; the adhesive has good rheological properties, facilitating penetration and diffusion of the colloid; the adhesive properties are greatly enhanced, and the invention is widely applicable to conventional fields such as plastics, fabrics, and wood. At the same time, the invention is also applicable to specific fields such as low-surface-energy materials that are difficult to bond, and has broad practical applications.

WATERPROOF AND OXYGEN-INSULATION SEALING FILM AND PREPARATION METHOD AND USE THEREOF

Disclosed are a waterproof and oxygen-insulation sealing film, and a preparation method and use thereof. Graphene oxide nanoribbons (GONRs) are firstly prepared by a method for longitudinal oxidative cutting of multiwalled carbon nanotubes and modified to obtain functional graphene oxide nanoribbons (K-GONRs), and then the K-GONRs are composited with an ethylene-vinyl acetate copolymer (EVA) in a film coating machine to form a film. In the composite thin film prepared by the present invention, the compatibility of the K-GONRs and the EVA matrix is very good; at the same time, the K-GONRs achieve a good dispersion in the matrix. In addition, the obtained sheet-like K-GONRs are mostly distributed in the EVA composite thin film in parallel. Such a multilayer and parallelly distributed special structure and a close combination of K-GONRs intercalation layers with the EVA matrix enable this thin film to have excellent barrier properties, good acid and alkali resistance, and further improved ...

Video monitoring system for fully mechanized coal mining face

The invention provides a fully mechanized coal mining face video monitoring system, which comprises a video acquisition unit, a video scheduling control unit and a power supply unit, and is characterized in that the video acquisition unit is used for acquiring video data information in a video monitoring area of a fully mechanized coal mining face, and controlling the video scheduling control unit based on an illumination regulation and control instruction corresponding to the video data information; the video scheduling control unit dynamically regulates and controls a light source in a video monitoring area of a fully mechanized coal mining face, the video scheduling control unit is connected with the plurality of video acquisition units through communication lines and is used for generating an illumination regulation and control instruction according to video data information and sending the illumination regulation and control instruction to the video acquisition units, and the power ...

Method and device for detecting upward sliding and downward sliding of conveyor and electronic equipment

The invention provides a method and a device for detecting upward and downward sliding of a conveyor and electronic equipment.The method comprises the following steps: acquiring a reference travelled distance when a coal mining machine passes through a hydraulic support at a second end in the process that the coal mining machine runs on the conveyor in the direction from the first end to the second end of a fully mechanized coal mining face; acquiring the real-time travelled distance of the coal mining machine when the coal mining machine passes through the hydraulic support at the second end in the process that the coal mining machine runs from the first end to the second end on the conveyor; and according to the reference mileage and the real-time mileage, whether the end, located at the second end, of the transport plane moves upwards and downwards or not is determined. Therefore, upward moving and downward moving of the conveyor can be detected, normal proceeding of other generation ...

Data generation method and device for coal rock identification, electronic equipment and medium

The invention provides a data generation method and device for coal rock recognition, electronic equipment and a medium. According to the specific scheme, a geological model is obtained, radar data of the geological model are obtained based on a ground penetrating radar, target data are generated according to the geological model and the radar data, and the target data are used for training a coal rock recognition neural network. The data for coal rock identification is generated based on the geological model and the radar data acquired by the ground penetrating radar, so that the data generation cost and period can be effectively reduced, and the data requirement of a coal rock identification task can be effectively met.

HIGH-BARRIER-PROPERTY TPU FILM FOR PIPE LINING AND PREPARATION METHOD THEREFOR

Disclosed are a high-barrier-property TPU film for a pipe lining and a preparation method therefor. MWCNTs and TPU are used as raw materials to prepare a GONRs-CNTs nanocomposite complex by using a method for cutting MWCNTs longitudinally through oxidization and controlling the mass ratio of MWCNTs to KMnO4; and a GONRs-CNTs/TPU composite film is prepared by using TPU resin as a basal body through a solution coating and film forming process. The composite film prepared in the present invention reduces solubility of gas in a polymer, and also enables the gas diffusion and penetration path to be circuitous, which prolongs the gas diffusion path, and improves the penetration difficulty of gas and other small-molecule substances, so that the barrier property of the material is greatly improved. The composite film is especially suitable for preparing a lining of a pipe for conveying shale gas and other unconventional gaseous energy, and can achieve enormous social and economic benefits.

Urban building three-dimensional model construction method and device and electronic equipment

The invention provides an urban building three-dimensional model construction method and device and electronic equipment. The method comprises the steps of obtaining to-be-constructed urban building data; wherein the urban building data comprises geographic position data, building height data and vector contours; acquiring a remote sensing interpretation result corresponding to the urban building data, and performing adjacent vector normalization processing on the remote sensing interpretation result to obtain a normalized interpretation result; wherein the normalized interpretation result comprises at least one vector contour group and building attribute data corresponding to each vector contour group, and the vector contour group comprises at least one vector contour; and based on the geographic position data, the building height data and the normalized interpretation result, constructing a building three-dimensional model corresponding to the urban building data. According to the method ...

Sensitive word checking and replacing method and device of three-dimensional model, electronic equipment and storage medium

The invention provides a sensitive word detection and replacement method and device for a three-dimensional model, electronic equipment and a storage medium, and relates to the technical field of sensitive word detection.The method comprises the steps that an initial three-dimensional model is obtained, an effective monomer model is determined based on the initial three-dimensional model, plane extraction is conducted on the effective monomer model, and a target plane is obtained; performing plane texture rendering on the target plane to obtain a re-rendered plane map; performing text extraction and keyword matching on the plane map, and determining a sensitive word area; and performing texture replacement on the texture image containing the sensitive word area in the initial three-dimensional model to obtain a desensitization three-dimensional model after sensitive word replacement. The processing efficiency and the processing effect of three-dimensional model sensitive word detection ...

Salt-resistant photo-thermal evaporator device, water treatment device and water treatment salt-resistant method

According to the salt-resistant water treatment device and the salt-resistant method in the water treatment process, conventional seawater, high-salt brine and the like are treated through a photo-thermal absorber device to obtain a fresh water resource, solar energy serves as a unique energy source, and the absorbed solar energy is converted into heat energy; performing efficient local heating on the thin-layer water body to promote rapid evaporation of the thin-layer water body; the device can prevent device failure caused by salt crystallization, is energy-saving and environment-friendly, and does not need to increase environmental energy consumption.

Submerged-arc welding grounding tool

The invention relates to the technical field of submerged-arc welding, and discloses a submerged-arc welding grounding tool which comprises a sliding rail, a U-shaped clamping assembly is arranged above the sliding rail, a limiting conductive assembly is arranged at the lower end of the U-shaped clamping assembly, and a tightening anti-disengaging assembly is arranged on the right side of the lower portion of the limiting conductive assembly. An external connecting assembly is arranged on the left side of the outer end of the U-shaped clamping assembly, the U-shaped clamping assembly comprises U-shaped steel, mounting screw holes and an insertion hole, the U-shaped steel is symmetrically distributed, and the mounting screw holes are formed in the left side and the right side of the upper end of the U-shaped steel. The sliding rail is reinforced on the ground through the ground nail mounting holes, the sliding rail cannot be dragged to move everywhere during use, the sliding rail is kept ...

Hoisting track connecting device and inspection system

The invention belongs to the technical field of coal mine equipment, and particularly relates to a hoisting track connecting device and an inspection system.The hoisting track connecting device comprises a first elastic component, a second elastic component, a first connecting component and a second connecting component, and the first connecting component and the second connecting component are arranged between two adjacent hoisting tracks; the second connecting part is connected with the first connecting part and can move relative to the first connecting part in the extending direction of the roadway, one end of the first elastic part is connected with the end, away from the first connecting part, of the second connecting part, and the other end of the first elastic part is connected with the end, close to the second connecting part, of the first connecting part. One end of the second elastic component is connected with one end of the first connecting component away from the second connecting ...

Fully mechanized coal mining face monitoring system and method based on double-spectrum fusion technology

The invention discloses a fully mechanized coal mining face monitoring system and method based on a double-spectrum fusion technology, and the system comprises a double-spectrum fusion camera which is used for obtaining a fusion image of a visible light image and a thermal infrared image; the wireless equipment is used for uploading the fused image to the monitoring center; and the monitoring center is used for monitoring the fully mechanized coal mining face in real time based on the fused image. The safety degree and the automation degree of fully mechanized coal mining face operation can be improved.

Lithium-magnesium separation device, system and method driven by interface photo-thermal concentration

The invention relates to an interface photo-thermal concentration driven lithium-magnesium separation device and method, the device comprises a brine chamber, a photo-thermal material, a lithium-magnesium separation membrane and an extracting solution chamber, and the brine chamber is used for accommodating brine; the photo-thermal material is used for heating brine; the lithium-magnesium separation membrane is used for separating lithium ions and magnesium ions; the extracting solution chamber is used for accommodating a lithium ion extracting solution; the photo-thermal material absorbs light and converts light energy into heat energy, and the brine is subjected to photo-thermal evaporation and concentration on an interface of the photo-thermal material; the lithium-magnesium separation membrane is arranged between the brine and the extracting solution, a concentration difference is formed between the brine and the extracting solution, and the lithium-magnesium separation membrane penetrates ...

Cover corrugated metal pipe of scribbling polyurea

... 本实用新型提供一种覆涂聚脲的金属波纹管，包括金属管波纹管，所述金属波纹管内壁附着有内衬，所述金属波纹管外壁附着有外衬，所述内衬、所述外衬通过喷涂或压附或挤塑方式与所述金属波纹管内壁紧密连接，所述内衬的内表面平整光滑。本实用新型用于防止金属波纹管因受到腐蚀和磨损而损坏，延长金属波纹管的使用时间；内衬材质可以防止腐蚀性污水的腐蚀，内外衬材料有一定硬度且表面光滑，采用涵洞的设计，减少了后期维护的工作量，可以大大减少砂石的磨损，也有效地提高了排水量和排水速度；本实用新型结构简单、耐腐蚀和防磨损效果良好，减少了后期维护的工作量，降低了成本，是公路、矿山和市政工程中可广泛使用的新型管道。 ...

Voice recognition model training method and device, electronic equipment and storage medium

The invention provides a voice recognition model training method and device, electronic equipment and a storage medium, and relates to the technical field of voice recognition, and the method comprises the steps: obtaining a voice training sample and a to-be-trained voice recognition model; processing the sound training sample based on a preset window length to obtain a logarithmic Mel-time frequency spectrum of the sound training sample; and inputting the logarithm Mel time-frequency spectrum into the voice recognition model for training to obtain a trained voice recognition model. According to the method, the training samples are processed by using the time windows with different lengths, long-time steady-state features in the sound signals can be captured during feature extraction, instantaneous fine signal changes can be captured, the accuracy of sound recognition can be improved, meanwhile, the method can be suitable for different environments, and the practicability of the scheme ...

Composite yeast suitable for saccharic raw material fermented wine and application of composite yeast

The invention provides a compound yeast suitable for saccharic raw material fermented wine and application thereof. Wherein the compound yeast comprises a yeast mixture and nutrient substances, the yeast mixture comprises at least one alcohol-producing yeast, at least one ester-producing yeast and at least one beta-phenethyl alcohol-producing yeast, and the alcohol-producing yeast comprises saccharomyces cerevisiae; the ester-producing yeast is at least selected from one of saccharomyces cerevisiae, hansenula polymorpha and pichia pastoris; the beta-phenethyl alcohol producing yeast is at least selected from one of pichia kudriavzevii and kluyveromyces kluyveromyces; the nutrient substances comprise a nitrogen source, a phosphorus source, inorganic salt and vitamins. By using the compound yeast disclosed by the invention, fermentation can be carried out in a fermentation system with the sugar concentration of 240g/L or above, and a fermentation product with higher fermentation alcohol content ...

Control method and device for fully mechanized coal mining face of coal mine and electronic equipment

The invention provides a control method and device for a fully mechanized coal mining face of a coal mine and electronic equipment, and the method comprises the steps: determining the current position information of a coal mining machine, determining target camera equipment according to the current position information, and determining roof line information according to first image data obtained by the target camera equipment, the position information of the roller is determined according to second image data obtained by the target camera device, the second image data is used for indicating real-time image data of the target area, the obtaining time of the first image data is earlier than the obtaining time of the second image data, and coal mining operation is conducted on the target area according to the roof line information and the position information of the roller. Therefore, the roof line information and the roller position information can be combined in the fully-mechanized coal ...