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377results about How to "High practical value" patented technology

SF6 density table data abnormity self-diagnosis method, storage medium and equipment

The invention relates to an SF6 density table data abnormity self-diagnosis method, a storage medium and equipment, and the method comprises the following steps: obtaining a data collection time sequence corresponding to a to-be-diagnosed SF6 density table based on the uploading data of the to-be-diagnosed SF6 density table, and at each detection moment, obtaining a data collection time sequence corresponding to the to-be-diagnosed SF6 density table based on the real-time density time sequence; judging whether the change of the density measurement value exceeds a set fluctuation threshold value or not, and if so, judging the change direction of the density measurement value; judging whether air leakage exists or not based on the air pressure time sequence, and if yes, generating an air leakage alarm signal; and calculating a correlation coefficient of the real-time environment temperature time sequence and the density time sequence, judging whether the density value change and the environment temperature change have high negative correlation or not, and if so, judging that the density value change is caused by the fact that the environment temperature at the installation position of the density meter is higher or lower than the air chamber temperature of the electrical equipment body. Compared with the prior art, the method has the advantage that the change reason of the SF6 density value can be accurately and quickly judged.
Owner:STATE GRID SHANGHAI MUNICIPAL ELECTRIC POWER CO +1

Cross-department enterprise credit information knowledge graph multi-dimensional fusion method

The invention relates to a cross-department enterprise credit information knowledge graph multi-dimensional fusion method, which comprises the following steps: collecting multi-dimensional data in enterprise credit information knowledge graphs of two different departments, and indexing the multi-dimensional data; performing feature extraction on the indexed multi-dimensional data in the two departments to respectively obtain multi-dimensional data embedding representations in the source knowledge graph and the target knowledge graph; calculating a similarity value matrix of multi-dimensional data embedding representation of each entity in the source knowledge graph and the target knowledge graph; fusing the similarity value matrixes of the corresponding entity pairs between the source knowledge graph and the target knowledge graph to obtain a fusion similarity representation vector of each entity pair; inputting the fusion similarity representation vector of each entity pair into a multi-layer perceptron to obtain a final similarity score of each entity pair; and performing alignment fusion based on the entity pair with the highest final similarity score to obtain a cross-department enterprise credit information fusion knowledge graph.
Owner:湖南工商大学

Discharging device of motor output shaft

The utility model provides a discharging device for a motor output shaft, and the device mainly comprises a conductive coupling assembly which is electrically connected with the output shaft; the conveying unit is provided with an input end and an output end, the input end is used for receiving the current collected by the conductive coupling assembly, and the output end exports the current received by the conveying unit in a grounding mode; wherein the conductive coupling assembly is composed of a connecting handle and a chuck part, the connecting handle is electrically connected with the input end, and the chuck part can be connected with the output shaft in a clamping mode; by adopting the above structure, a conductive coupling structure formed by an existing discharging device and a motor output shaft in a lap joint mode can be avoided, the technical problem that the reliability risk exists in an electric coupling structure on the discharging device is solved, and the problems of increased contact resistance and poor contact caused by abrasion and aging of an electric brush or a carbon brush are avoided; the discharging efficiency and the reliability of shaft current management are improved, direct mechanical abrasion to the output shaft of the motor in the shaft current discharging process is effectively reduced, and the service life of the motor and related parts is prolonged.
Owner:CHINA BLUECHEMICAL LTD +1

Pressurizing and yield increasing device for natural gas collecting well

The pressurization and yield increase device comprises a first natural gas pipeline and a second natural gas pipeline which are obliquely arranged, the first natural gas pipeline is located on the upper side of the second natural gas pipeline, and a plurality of gas holes are formed in the side portion of the first natural gas pipeline and the side portion of the second natural gas pipeline. A fan is arranged at an upper opening of the natural gas pipeline I; the natural gas collecting device has the technical effect of improving the natural gas collecting capacity.
Owner:BEIJING JIEHONG TECHNOLOGY CO LTD

Low-orbit SAR satellite data real-time return system and use method thereof

ActiveCN119093012AReal-time postbackImplement payload imagingAntenna arraysRadio transmissionSatellite dataTelecommunications link
The invention provides a low-orbit SAR satellite data real-time return system and a use method thereof, and the system comprises an SAR satellite body, a load phased-array antenna assembly connected to a + Z installation surface of the SAR satellite body, and a data transmission phased-array antenna assembly connected to a-Y installation surface of the SAR satellite body. The load phased-array antenna assembly and the data transmission phased-array antenna assembly are both over the ground and establish communication links with the ground, the load phased-array antenna assembly is a planar antenna, the load phased-array antenna assembly is unfolded in the X direction, and an inclination angle is formed between the data transmission phased-array antenna assembly and the SAR satellite body-Y mounting surface. According to the invention, the data transmission phased-array antenna is adopted, the offset angle theta between the data transmission phased-array antenna and the load phased-array antenna is set at the same time, and the data transmission phased-array antenna and the load phased-array antenna are not in the same horizontal plane, so that the purposes of imaging and establishing satellite-ground link data transmission without mutual interference are achieved.
Owner:北京钧天航宇技术有限公司 +1

Modified chromium aluminum phosphate coating as well as application and application method thereof

ActiveCN119101381AImprove liquidityReduced crack susceptibilityAnti-corrosive paintsCoated surfaceCeramic coating
The invention discloses a modified chromium aluminum phosphate coating as well as application and an application method thereof. The modified chromium aluminum phosphate coating is prepared from the following components in parts by weight: 1 to 30 parts of Al3Cr (H2PO4) 12, 10 to 50 parts of Al (H2PO4) 3, 50 to 80 parts of H2O and 40 to 70 parts of Al2O3 powder. The preparation method comprises the following steps: dipping and lifting a cast aluminum alloy in the prepared modified chromium aluminum phosphate coating, and treating by adopting a steam-assisted curing device to obtain the ceramic coating. By using Al (H2PO4) 3 and Al3Cr (H2PO4) 12, low-temperature curing can be achieved, microcracks on the surface of the coating are improved, the coating which is more uniform and smoother and tightly combined with a base body is formed, and better corrosion resistance and durability are achieved; the method has the characteristics of simple operation steps, short preparation period and the like, and the prepared ceramic coating has better durability and corrosion resistance and has great practical value.
Owner:SOUTHEAST UNIV

Precipitation monitoring method and system based on multi-mode noise reduction of unmanned aerial vehicle

The invention provides a rainfall monitoring method and system based on unmanned aerial vehicle multi-mode noise reduction in the technical field of environment monitoring and unmanned aerial vehicle application, and the method comprises the steps: S1, collecting a visible light image and a long-wave infrared image through a multispectral vision module after an unmanned aerial vehicle takes off, and collecting a rainfall audio from an acoustic cabin through a microphone; s2, carrying out noise reduction processing on the visible light image, the long-wave infrared image and the rainfall audio; s3, extracting a raindrop size distribution histogram and a spatial density thermodynamic diagram based on the visible light image and the long-wave infrared image, and extracting acoustic MFCC features based on rainfall audio; s4, performing feature fusion operation based on the raindrop size distribution histogram, the visual density thermodynamic diagram and the acoustic MFCC features to obtain rainfall intensity; and S5, carrying out cumulant dynamic compensation based on the rainfall intensity to obtain the cumulative rainfall. The rainfall monitoring method has the advantages that the precision, robustness and practical level of rainfall monitoring are greatly improved.
Owner:FUJIAN WANFU INFORMATION TECH CO LTD

Multifunctional theater integrated ceiling structure

The utility model discloses a multifunctional theater integrated suspended ceiling structure, which relates to the technical field of theater integrated suspended ceilings, and comprises a plurality of suspended ceiling main bodies, one side of each suspended ceiling main body is provided with a winding groove, a winding roller is rotatably connected in the winding groove, the two sides of the winding roller are fixedly connected with clockwork springs, the clockwork springs are fixedly connected with the winding groove, and the clockwork springs are fixedly connected with the winding groove. According to the utility model, the winding roller is driven by the driving piece to rotate, so that the winding roller winds the traction rope and the flexible light-changing cloth, and different parts of the flexible light-changing cloth are in contact with light rays, so that the light irradiation effect has various changes; and under the effect of improving reflected sound distribution, the ceiling body can adjust the light irradiation effect and improve the air quality of the area where audiences are located, the theater integrated ceiling structure is used in a multifunctional mode, and the overall practical value of the theater integrated ceiling structure is improved.
Owner:NANJING TECH UNIV

Sliding mode control method for microsatellite cluster assembly based on satellite-borne GPS positioning

The invention discloses a sliding-mode control method for microsatellite cluster assembly based on satellite-borne GPS positioning, and belongs to the technical field of spacecraft flight. According to the method, a dynamical model is established based on heterogeneous spacecraft formation tasks, a control program is provided, meanwhile, a controller is combined with the satellite-borne GPS technology, and the satellite-borne GPS positioning is combined with the satellite-borne GPS positioning technology; noise generated in an information receiving process is filtered by using a filter, so that the precision and the practicability of a program are further improved; the method can avoid the problem of low control accuracy caused by traditional PD control, has great practical value, and has wide application prospects in the fields of spacecraft docking separation, on-orbit assembly, formation flight and the like.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

Low-dropout linear voltage stabilizing circuit, low-dropout linear voltage regulator and electronic equipment

The invention discloses a low-dropout linear voltage stabilizing circuit, a low-dropout linear voltage regulator and electronic equipment, and relates to the technical field of integrated circuits. A basic low-dropout linear voltage stabilization unit is connected with a low-voltage stabilization unit; the basic low-dropout linear voltage stabilization unit is configured to generate an output voltage by utilizing the low-voltage stabilization unit; the low-voltage stabilization unit is configured to reduce the impedance of two non-dominant poles in the basic low-dropout linear voltage stabilization unit so as to improve the loop bandwidth and enhance the loop stability. The low-dropout linear voltage stabilizing circuit is made by adopting a 180nm process, can be externally hung with a high-capacity capacitor, works at the temperature of 77K-300K, and meets the load current of 0-50mA. The low-dropout linear voltage stabilizing circuit is higher in output driving capability. And the stability of the FVF loop is enhanced, so that a high-capacity capacitor can be externally hung at the output end, the overshoot during transient response is reduced, the impact resistance is relatively high, and the output noise is also reduced to a certain extent.
Owner:SEMICON TECH INNOVATION CENT(BEIJING) CORP +1

Method for preparing deuterated chemical by means of deuteration reaction of carbon-hydrogen bond with deuterium gas under catalysis of alkali

The present application provides a method for preparing a deuterated chemical by means of a deuteration reaction of a carbon-hydrogen bond with a deuterium gas under the catalysis of an alkali, wherein in the presence of a catalyst, a deuterium gas is added into a compound containing a carbon-hydrogen bond for a deuteration reaction so as to generate a deuterated compound. A deuterium gas is used as a deuterium source, such that multiple water separation operations, tedious steps and the wasting of energy caused by usage of a large amount of deuterium oxide as a deuterium source are avoided. Moreover, a cheap and easily available alkali metal compound is used for replacing an expensive transition metal catalyst and a complex-structure ligand as a catalyst for a deuteration reaction, and the alkali metal compound has the advantages of a low cost, a good compatibility with functional groups of a substrate and a high deuteration rate. The present application provides a new, low-cost, green and efficient deuteration method, which has a high application value.
Owner:FUDAN UNIVERSITY

Atrial fibrillation anomaly detection method and system based on multi-sensing time-frequency pseudo anomaly

The invention discloses an atrial fibrillation anomaly detection method and system based on multi-sensing time-frequency pseudo anomalies, and the method comprises the steps: obtaining an atrial electrophysiological signal sequence through an HDS high-density sensing atrial fibrillation analysis platform, carrying out the time-frequency conversion of the signal sequence, constructing a multi-modal time-frequency tensor model, and extracting a time-frequency feature subset related to the atrial fibrillation anomaly; dynamically distributing feature weights by utilizing an extrusion excitation time-frequency pseudo-selection model so as to optimize features; constructing a double-domain hypersphere feature space based on the optimized features, calculating a pseudo-anomaly distance value through a double-domain hypersphere pseudo-anomaly distance calculation algorithm, and dividing a suspected atrial fibrillation anomaly feature sample set in combination with a preset threshold; and carrying out feature fusion on the suspected abnormal sample set, extracting common abnormal features and generating a detection result. The system corresponds to six units, the comprehensiveness of feature extraction and the accuracy of anomaly recognition are greatly improved, the clinical requirements for atrial fibrillation detection are met, and reliable technical support is provided for early diagnosis of atrial fibrillation.
Owner:SICHUAN UNIV

A method and system for processing an ocean current meter signal by multi-scale time-frequency analysis

ActiveCN121633536BOptimize flow field parameter setFine characterizationMeasuring open water movementFull-field flow measurementInformation processingTime–frequency analysis
This invention discloses a multi-scale time-frequency analysis method and system for ocean current meter signal processing, relating to the field of marine information processing. The method includes: S1: acquiring raw data and performing physical benchmark correction to obtain three-dimensional current velocity data and basic mass labels; S2: extracting first and second features from the three-dimensional current velocity data through spatiotemporal decoupling; S3: fusing and separating the three-dimensional current velocity data based on the first and second features to obtain an optimized set of flow field parameters, and generating the uncertainty of each parameter by combining the basic mass labels and error source information; S4: performing comprehensive quality assessment and grading based on the first and second features and the uncertainty, outputting a data product with mass labels and uncertainty information. By extracting spatiotemporal dual-dimensional features and using them to guide signal fusion and quality assessment, highly robust processing of ocean current data and end-to-end quality traceability are achieved, significantly improving the reliability of the data product.
Owner:SECOND INST OF OCEANOGRAPHY MNR

A bearing fault diagnosis method and system based on knowledge enhancement and multi-path distillation

The present application discloses a bearing fault diagnosis method and system based on knowledge enhancement and multi-path distillation, which relates to the fields of intelligent operation and maintenance and industrial equipment health management. The method includes obtaining sensor signals and visual image data of the bearing operation; based on an asynchronous dual-channel architecture, correspondingly extracting signal features of the sensor signals and image features of the visual image data, and performing time synchronization on the signal features and the image features; using a multi-modal bottleneck Transformer module to fuse the synchronized signal features and the synchronized image features; based on a maintenance knowledge graph dynamically constructed from a bearing maintenance manual, combining a text generation model to map the fused features to a semantic space and generate a fault diagnosis report. The present application can improve the recognition accuracy, real-time performance and interpretability of diagnosis results of bearing faults.
Owner:HEFEI UNIV OF TECH

Vertical inductive pass device

The utility model relates to the technical field of passage control equipment, and disclose a vertical non -inductive passage device, including box, identification subassembly, gate and buried part: the lower surface of box and the upper surface of buried part are pasted, the lower surface middle position of box is installed with male block through bolt, is set up in the insertion slot on buried part, the both sides of insertion slot all are set up with lateral groove. This kind of vertical non -inductive passage device, through setting the positioning post on the lower surface of the box, the positioning slot is correspondingly set up on the buried part, the quick accurate positioning of the box and the buried part can be realized by the plug-in cooperation, and the installation process is greatly simplified. At the same time, after the male block of the box bottom inserts the insertion slot of the buried part, the spring in the lateral groove pushes the convex side of the limiting block and the male block to closely adhere, forms effective limiting, and the guiding effect of connecting rod no.
Owner:NANJING YICHENG INFORMATION TECHNOLOGY CO LTD

Outdoor sofa chair

The utility model relates to the technical field of outdoor sofa chairs, in particular to an outdoor sofa chair, and aims to solve the technical problems that when the outdoor sofa chair is used, outdoor changeable weather, environment and other factors need to be considered, however, most of the outdoor sofa chairs and most of rain-shielding and shading structures are fixed in position, and the shading height is often difficult to adjust according to actual conditions. Shading and rain shielding operations are difficult to effectively carry out, so that the practical value of the sofa chair is influenced; according to the technical scheme, the outdoor sofa chair comprises a pillow leaning assembly, a storage assembly, a lifting assembly, an adjusting assembly and a rain shielding assembly; compared with most traditional outdoor sofa chairs which are difficult to adjust rain-shielding structures according to weather changes, and are possibly soaked in water for a long time to shorten the service life of the sofa chairs when more water is accumulated on the ground, the automatic lifting sofa chair has the advantages that the sunshade and rain-shielding structures of the sofa chairs are flexibly adjusted in an automatic lifting manner, so that the sofa chairs are more convenient to use. The effective rain shielding operation is guaranteed, the use comfort is enhanced, and the service life of the outdoor sofa chair is prolonged.
Owner:ZHEJIANG FEIYI INTELLIGENT EQUIP CO LTD

High-strength lightweight composite section folding ladder with false touch locking structure

The application belongs to the technical field of folding ladders and discloses a high-strength light-weight composite profile folding ladder with a mistaken touch locking structure, which comprises a base plate, a fixed supporting plate, a stable jacking assembly, a locking and adjusting assembly, a width adjusting assembly and an automatic folding connecting assembly. The stable jacking assembly comprises a sliding plate, and the upper surface of the sliding plate is fixedly connected with a mounting plate at one end. When a better height is needed, the automatic folding connecting assembly can be used for secondary folding, the whole folding ladder can form an inverted V shape, and the height can be temporarily adjusted to better adapt to the working environment. When the width of the working environment is limited, the width adjusting assembly can be used to adjust the width of the folding ladder, thereby greatly improving the practical value of the folding ladder. In the use process of the folding ladder, the stable jacking assembly can be used to support the folding ladder, thereby ensuring the stability of the folding ladder in the working process and improving the safety of the folding ladder.
Owner:JIANGSU ZHOU JIJIE INTELLIGENT TECH CO LTD

Package coding device for solid beverage production

The utility model discloses a package coding device for solid beverage production, and particularly relates to the technical field of solid beverage processing and production, which comprises a working table, a rotary conveying table is fixedly connected to the front part of the upper end of the working table, and a conveying belt is fixedly connected to the rear part of the upper end of the working table. A first groove frame is fixedly connected to the left portion of the rear end of the workbench, a clamping device is movably connected to the upper end of the first groove frame, a dust suction device is fixedly connected to the left portion of the front end of the workbench, a scanner is fixedly connected to the right portion of the rear end of the workbench, and a second groove frame is fixedly connected to the right portion of the front end of the workbench. According to the packaging and coding device for solid beverage production, a machined part can be automatically clamped and conveyed, dust can be automatically removed, work labor consumption can be reduced, the position of a code spraying component can be freely adjusted, and the packaging and coding device is more flexible and convenient to use.
Owner:DALIAN TISHENG BIOTECHNOLOGY CO LTD

Remote control device for medical equipment

The utility model relates to a remote control device for medical equipment, which comprises a signal transmitting mechanism and a signal receiving mechanism, the signal transmitting mechanism is in wireless signal connection with the signal receiving mechanism, and the signal transmitting mechanism comprises a wireless signal transmitting module and a plurality of pedals. The signal receiving mechanism comprises a wireless signal receiving module and a plurality of signal transmission units, the remote control device for the medical equipment adopts an MOSFET output solid-state relay with an optical coupling isolation function, and then the wireless signal transmitting module of the STR885 model is matched with the wireless signal receiving module of the SRX885 model, so that the remote control device for the medical equipment is realized. According to the relay, on-off control of an external load can be achieved, the relay does not need to consider the voltage matching problem of an original driving circuit, mechanical contact bidirectional conduction is avoided, the adaptability and compatibility are improved, and the practical value is improved.
Owner:JIANGSU JUCHEN MEDICAL TECH CO LTD

Wireless network positioning method, server and system

The invention discloses a wireless network positioning method, server and system, and relates to the technical field of wireless communication and positioning navigation. The method comprises the following steps: receiving a signal sent by a to-be-positioned target node through a plurality of positioning reference nodes and extracting an original positioning parameter sequence; then, improved Z-score exception elimination based on median and median absolute deviation and adaptive attenuation coefficient smoothing based on average inter-frame hopping are carried out on the sequence, and a stable estimated value and a measurement variance are output; and finally, according to the number of the effective positioning reference nodes, adaptively switching a CHAN algorithm or a weighted least square method to carry out position calculation. The improved Z-score filtering and dynamic weight fusion technology is adopted, the defects in the prior art are overcome, the problem that a fixed algorithm is poor in robustness when the reference node topology change is positioned is solved through an algorithm self-adaptive switching mechanism, the precision and adaptability are remarkably improved in a complex scene, and meanwhile the deployment and maintenance cost is reduced.
Owner:BEIJING UNIV OF POSTS & TELECOMM

An infrared thermal imager capable of quickly changing lenses and filters

ActiveCN224594067Uquick changequick release
The utility model discloses an infrared thermal imager of quick replacement lens and optical filter, including casing and external lens subassembly. External lens subassembly is fixed through screw thread connection in the outside of casing, contains lens fixing piece, infrared lens, lens fixed ring, optical protection window and lens decoration ring. Infrared lens is fixed in lens fixing piece through screw thread, and the front end is equipped with detachable optical protection window (optical filter or germanium window), and is locked and fixed by lens decoration ring. Lens fixed ring and waterproof seal ring constitute double waterproof structure, ensure IP67 protection level. The device passes through modularization screw thread connection design, makes the user can replace different specifications infrared lens and optical protection window, adapts multiband observation demand. Its advantages include: simple operation, strong leakproofness, high environmental adaptability, especially suitable for the scene of flexible adjustment equipment such as fire control, industrial detection etc.
Owner:ZHEJIANG HONGPU TECH CORP LTD

A method for preparing chemically recyclable polyaldehyde ester, its product, and the chemical recycling method.

This invention discloses a method for preparing chemically recyclable polyaldehyde esters. Using linear aldehydes and cyclic anhydrides as raw materials, and Lewis acids or protic acids as catalysts, chemically recyclable polyaldehyde esters are prepared through alternating copolymerization. The general structural formula of the linear aldehyde is as follows: R is selected from alkyl groups with 1 to 20 carbon atoms, alkenyl groups with 2 to 20 carbon atoms, alkynyl groups, terpenyl groups with 5 to 20 carbon atoms, cycloalkyl groups with 3 to 20 carbon atoms, aromatic groups with 5 to 20 carbon atoms, and the above groups containing heteroatoms. This invention discloses a method for successfully preparing polyaldehyde esters from linear aldehydes. The method is simple and controllable, and the product obtained is a fully alternating polyaldehyde ester with a well-defined chain structure. More importantly, the polyaldehyde ester prepared by this method is chemically recyclable; it can be completely depolymerized and converted into raw material monomers through simple pyrolysis, thus achieving the chemical recycling of the polyaldehyde ester.
Owner:ZHEJIANG UNIV

Design method of micromolecular binding protein

The invention discloses a small molecule binding protein design method. The method comprises the following steps: S1, a structure acquisition step: acquiring a compound structure of a target small molecule ligand and protein; s2, a candidate sequence generation step: generating a candidate protein sequence set by adopting a protein generation model and adjusting parameters corresponding to the protein generation model according to the compound structure in the step S1; s3, a primary screening step; compounding the candidate protein sequence set in the step S2 with the small molecule ligand in the step S1, predicting a compound structure I, and screening a potential sequence from the compound structure I; s4, a fine screening stage: compounding the potential sequence screened in the step S3 with the small molecule ligand in the step S1, predicting a compound structure II, and screening a preferred protein sequence I from the compound structure II. Through deep fusion of AI generation and physical screening, a layer-by-layer progressive accurate screening funnel is constructed, and the false positive rate is greatly reduced.
Owner:NUKA INTELLIGENT TECHNOLOGY (YANGZHOU) CO LTD

Corrosion-resistant profiled steel sheet anchoring system

ActiveCN224395914Uachieve fixationImprove poor waterproof performanceRoof covering using slabs/sheetsPurlinStructural engineering
The utility model discloses a kind of corrosion-resistant profiled steel plate locking systems, including corrosion-resistant roof panel, the both ends of corrosion-resistant roof panel are respectively provided with turn-up one and turn-up two, the turn-up one between the adjacent two corrosion-resistant roof panel and the turn-up two is equipped with several aluminum profile supports, the connecting place of turn-up one, turn-up two and the aluminum profile support is fixed by windproof clip assembly, the bottom end of aluminum profile support is fixedly connected with roof purlin.The utility model is fixed on aluminum profile support by windproof clip assembly through corresponding turn-up at the both ends of corrosion-resistant roof panel in adjacent roof, so that the fixing of roof can be realized without nailing on roof panel, improve the problem of poor roof waterproofness caused by punching, have very big practical value.
Owner:北京国电盛通电力工程有限公司

Vamp processing and printing device

The utility model relates to the technical field of vamp processing, in particular to a vamp processing and printing device which comprises a processing table, a printing groove, an impressing plate, a printing assembly, a top plate, an electric telescopic rod, an electric sliding rail, a sliding block, a connecting block, a scraping plate, a waste hopper and a scraping assembly. An electric sliding rail is arranged on one sides of the two first supporting rods; a sliding block is arranged on the inner side of the electric sliding rail; a connecting block is arranged on the bottom surface of the sliding block; a scraping plate is arranged on one side of the connecting block; a scraping assembly is arranged on one side of the waste hopper; according to the printing device, residual pigment on the printing plate is scraped and collected in a unified mode in a residual material scraping mode after imprinting is finished, the residual pigment is prevented from polluting the device, the printing effect of the device is guaranteed, and therefore the practical value of the device is effectively enhanced.
Owner:TIANJIN SHENGSHI ZUOCHENG GROUP CO LTD

Lubricating oil filling device with anti-dripping structure

The utility model relates to lubricating oil filling technology field especially lubricating oil filling device with prevent trickling structure, including base, the top of base is provided with oil storage tank, the bottom of oil storage tank is provided with filling pipe, the bottom outside of filling pipe is provided with multiple groups of negative pressure hole, the top of negative pressure hole is provided with worm wheel, worm wheel and filling pipe rotatory connection, the inside of worm wheel is provided with scraper, the utility model discloses through the mode of negative pressure suction, through the oil storage tank on base storage lubricating oil to be filled, remove and send the oil tank to be filled to the below of filling pipe, through filling pipe pour lubricating oil in the oil storage tank into the oil tank, rotate worm wheel and drive scraper rotation, scraper close filling pipe inner wall rotation and scrape residual oil, produce negative pressure suction residual oil in filling pipe through negative pressure hole, avoid lubricating oil to remain in filling mouth pipe wall, keep the working environment clean and neat, reduce cleaning cost, thereby effectively enhance device practical value.
Owner:BEIERSDORF(TIANJIN)PETROLEUM & CHEM CORP

A robot charging dock

This utility model discloses a robot charging base, including a base with a clearance groove on the lower side. A snap-fit ​​device is installed in the clearance groove. The snap-fit ​​device includes a release sleeve, a snap-fit ​​sleeve, a snap-fit ​​rod, a release groove, a release plate, a snap-fit ​​block, and a snap-fit ​​groove. The snap-fit ​​sleeve is detachably fitted onto the outside of the snap-fit ​​rod. The release groove is a variable-diameter structure opened in the release sleeve. The snap-fit ​​block is connected to one side of the release plate. The snap-fit ​​groove is opened on the outside of the snap-fit ​​rod. A locking mechanism is provided on the outside of the snap-fit ​​sleeve. The locking mechanism includes a locking plate, a movable spring, a locking sleeve, a locking hole, a fixing block, a locking rod, and a movable block. The movable spring is connected to two adjacent movable blocks. The locking hole is opened on the locking plate. Multiple fixing blocks are installed on the outside of the snap-fit ​​sleeve. The locking rod is connected to one side of the locking sleeve. This utility model realizes convenient disassembly and assembly of the spring electrode sheet, ensures structural stability, and ensures stable use of the equipment.
Owner:NANTONG INGMAR INTELLIGENT TECHNOLOGY CO LTD

Civil aviation airport runway state monitoring equipment

The utility model relates to the technical field of airport inspection, in particular to civil aviation airport runway state monitoring equipment which comprises a mobile robot used for civil aviation airport runway inspection. The mobile robot comprises a panel, a side plate fixed to the end of the lower side face of the panel, a connecting rod fixed to the inner side edge of the side plate, a support fixed to the connecting rod, a motor fixed to the end of the support, a moving wheel fixed to an output shaft of the motor, a connector fixed to the outer side of the tail side plate and a direct light fixed to the outer side of the front side plate. According to the utility model, the remote control mobile robot is arranged to replace manual inspection, so that the manpower is saved, the inspection efficiency is improved, through the arrangement of the photovoltaic panel, the inspection efficiency is improved, and through the arrangement of the photovoltaic panel, the inspection efficiency is improved. Solar energy is effectively utilized and converted into electric energy for self power utilization, energy conservation and environmental protection are achieved, and the high practical value is achieved.
Owner:毛亚军