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1952results about How to "Simplify the maintenance process" patented technology

Internet of Things equipment access protocol component development method, equipment and storage medium

The invention discloses an Internet of Things equipment access protocol component development method, which is used for quickly developing an Internet of Things equipment access protocol analysis and processing component at an Internet of Things platform side, and comprises the following steps: S1, constructing a protocol analysis and processing general framework according to the protocol analysis and processing component of an Internet of Things platform; s2, abstracting a specific logic processing part of a protocol in the general framework into a method / function interface; s3, constructing a protocol expert AI knowledge base for data learning; s4, constructing an AI large model and a multi-agent processing flow, selecting a specified large model, configuring related parameters, extracting required parameter extraction / coding logic, and generating an interface implementation code; s5, integrating each generated interface implementation code with the universal framework; and S6, testing, adjusting and optimizing the integrated access protocol analysis and processing component. According to the method, the unified development template can be provided, so that the development technical threshold is reduced, and the development efficiency is greatly improved.
Owner:E SURFING IOT CO LTD

Special transformer state management method and system based on intelligent monitoring and remote diagnosis

The invention discloses a special transformer state management method and system based on intelligent monitoring and remote diagnosis. The method comprises the steps that electrical parameters of a special transformer user are collected through monitoring equipment; the collected data parameters are analyzed in real time, and the operation state and the abnormal condition of the equipment are judged; monitoring data are transmitted through a communication network, and remote monitoring is achieved; and when an abnormality is detected, triggering an alarm mechanism, and providing fault diagnosis information. According to the invention, the safety and operation efficiency of the power system are improved. Key parameters such as voltage, current, power and frequency can be collected in real time, abnormal conditions such as overload and undervoltage can be rapidly detected through an intelligent algorithm, and an alarm is triggered in time. The system adopts AES encryption to guarantee data transmission security, supports 4G / 5G network to realize remote monitoring, and ensures that operation and maintenance personnel can quickly obtain fault diagnosis information and personalized processing suggestions. The fault response speed and the system stability are obviously improved, and the operation and maintenance cost is reduced.
Owner:GUIZHOU POWER GRID CO LTD

Intelligent file cabinet management method based on RFID technology

The invention discloses an intelligent file cabinet management method based on the RFID technology, and relates to the technical field of intelligent file management. According to the method, intelligent retrieval is adopted, file positioning is fast and accurate through double indexing of content attributes and RFID tags, and a user only needs to input conditions such as keywords, themes or dates, so that the file can be rapidly and accurately positioned; according to the method, relevant archives can be screened out through similarity matching, the actual storage positions of the archives can be positioned, the retrieval efficiency is remarkably improved, meanwhile, a virtual digital library is established to conduct digital mapping on the archives, and dependence on actual storage space is reduced; under the condition of dense storage, the position information of the archives is recorded through the RFID tags, so that the archives can be flexibly put on a shelf or readjusted in position without influencing the management and positioning of the archives, meanwhile, the archives are digitized when being put in storage, and all content attributes, classification tags and position information are synchronously stored in a virtual digital library; even if the paper archives are actually damaged or lost, the digital information of the paper archives is still completely stored in the digital library.
Owner:SHENZHEN ZHIRANDU TECHNOLOGY CO LTD

Wireless charging intelligent regulation and control method and system

The invention discloses a wireless charging intelligent regulation and control method and system, and relates to the technical field of wireless charging regulation and control, and the method specifically comprises the following steps: obtaining the charging demand information of each robot in real time, and generating a task priority coefficient and an electric quantity demand index of each robot; and constructing a wireless charging power distribution evaluation model for the generated task priority coefficient and the electric quantity demand index of each robot, generating a priority distribution coefficient of each robot, and evaluating the wireless charging demand level of each robot. Dividing each robot into a high-demand robot, a normal-demand robot and a low-demand robot according to an evaluation result; and according to the division result of each robot, corresponding power distribution strategies are adopted for the robots with different wireless charging demand levels. According to the method, the problems of wireless charging demand difference identification and dynamic allocation of the robot in the intelligent warehousing system are solved, and an efficient and accurate charging resource optimization configuration effect is achieved.
Owner:江西驴充充物联网科技有限公司

Compressor shaft system oil return structure and compressor

The compressor shaft system oil return structure comprises a crankshaft, an upper support, a lower support and a bottom oil pool, the crankshaft is provided with a crankshaft oil return channel, the crankshaft oil return channel comprises an oil return channel, an oil return outlet and an oil return inlet, the oil return outlet is communicated with the top of the oil return channel, the oil return inlet is communicated with the bottom of the oil return channel, and the oil return inlet is communicated with the bottom of the oil return channel. The upper end of the crankshaft is inserted into the upper support, the oil return inlet is formed in the upper support, the oil return outlet is formed in the lower support, the bottom oil pool is located below the lower support, and a gap is formed between the inner side wall of the bottom oil pool and the outer surface of the lower support. By implementing the structure, the performance of the scroll compressor lubricating system can be improved, the installation and maintenance process is simplified, and the reliability and efficiency of the system are improved.
Owner:ZHUHAI LANDA COMPRESSOR +1

High-temperature superconducting electric maglev vehicle multi-mode damping device based on electromagnetic shunting technology

The invention discloses a high-temperature superconducting electric maglev vehicle multi-mode damping device based on an electromagnetic shunting technology. The high-temperature superconducting electric maglev vehicle multi-mode damping device comprises a coil system and a vehicle suspension frame. Wherein the coil system comprises a vehicle-mounted superconducting magnet, an 8-shaped suspension guide coil and a propulsion coil; the vehicle suspension frame carries a vehicle-mounted superconducting magnet, a low-temperature container, a damping coil and an external circuit module. Accurate design of electromagnetic parameters is achieved through a plurality of branch parallel circuits, dynamic responses of different frequencies can be effectively matched, and multi-mode vibration reduction is achieved in a passive mode. An optimized damping effect can be provided for various vibration modes in a rail system without depending on an active control system, and the vibration reduction performance of the system is remarkably improved. Aiming at different vibration frequencies, adjustment can be carried out by replacing components such as capacitors and inductors in the branches, the structure is simple, and the cost is low.
Owner:SOUTHWEST JIAOTONG UNIV

Wafer rotary drying device

The utility model discloses a wafer rotary drying device. The wafer rotary drying device comprises a rotary platform; the multiple clamping jaws are distributed in the circumferential direction of the rotating platform at intervals. The clamping jaws are connected to the rotating platform through rotating shafts correspondingly. The side, facing the wafer, of the clamping jaw is provided with a horizontal placement face used for horizontally supporting the back face of the wafer. The climbing surface is arranged on the peripheral side of the horizontal placement surface; the clamping surface is arranged on the peripheral side of the climbing surface and can be matched with the climbing surface to clamp the edge of the wafer; when the rotating platform rotates, the upper portions of the clamping jaws rotate inwards and downwards, the clamping face and the climbing face of each clamping jaw are matched, and the multiple clamping jaws clamp the wafer together. The utility model also discloses a wafer rotary drying method. According to the utility model, the cleaning and drying effects of the back of the wafer are improved; the rotating platform does not participate in clamping of the wafer, so that the number of consumables is remarkably reduced; relative sliding of the wafer and the clamping jaw is effectively avoided, and rotation stability is improved.
Owner:HANGZHOU ZHONGGUI ELECTRONICS TECH CO LTD

High-precision variable air volume valve

The invention relates to a high-precision variable air volume valve and an air volume control method thereof. The variable air volume valve is composed of a valve body, a front valve block set, a rear valve block, two actuators and a controller, linear adjustment of the air volume can be achieved, the air volume adjustment precision is improved, and adjustment of high and low air volume intervals is supported. The controller collects pressure difference data of an inlet and an outlet through the pressure difference sensor, and the real-time air volume is calculated through a built-in Kolmogorov-Arnold (KAN) neural network model. By comparing the actual air volume with the target air volume in real time, the controller adjusts the actuator to change the opening degree of the front valve plate set and the opening degree of the rear valve plate set, and accurate air volume control is achieved. According to the technical scheme, the accuracy and the adjusting range of air volume measurement are improved, additional resistance in the air pipe is reduced, and the performance and the operation efficiency of an air conditioning system are remarkably optimized.
Owner:SUZHOU SHUIMU TECH CO LTD

Mining dust concentration monitoring system and monitoring method thereof

The invention relates to the technical field of mining dust concentration monitoring, in particular to a mining dust concentration monitoring system and method, and the system comprises a dust sensor module, a signal amplification and filtering module, an analog-to-digital conversion module and a data processing and monitoring module; the dust sensor module is used for detecting the dust concentration in an underground coal mine and adopts a multi-mode detection mode combining electrostatic induction and optics; the signal amplification and filtering module comprises a low-noise amplifier and a self-adaptive filtering circuit, the multi-mode sensor is combined with the automatic temperature compensation and self-adaptive filtering technology, the measurement precision and the signal stability of the concentration of tiny dust in a complex environment are greatly improved, meanwhile, the temperature compensation function is introduced, and the measurement precision is improved. And by combining a nonlinear compensation algorithm, a dynamic response adjustment mechanism and a multivariable compensation system, the stability and precision of signal amplification in a complex underground coal mine environment are remarkably improved.
Owner:ZHENJIANG JINPENG SOFTWARE TECH CO LTD

Drilling and preprocessing machine tool for automobile steering knuckle

The invention relates to the technical field of automobile metal part drilling machining, in particular to an automobile steering knuckle drilling pre-machining machine tool. The automobile steering knuckle machining equipment comprises an installation machine base, a drilling device, a tool clamp and a control system, the drilling device and the tool clamp are installed on the installation machine base and are important components of the equipment, and preprocessing of an automobile steering knuckle is achieved; the control system comprises a hydraulic system, a pneumatic control system, a cutting fluid circulating system, a lubricating system, a chip removal system and an electric control system. The drilling device, the tool clamp, the material pressing device, the control device and other functional components are efficiently matched, the efficiency of automobile steering knuckle drilling pre-machining is remarkably improved, through precise movement of the drilling device, stable fixation of the tool clamp and the material pressing device and continuous lubrication of the lubricating device, high precision of the machining process is guaranteed, and the machining efficiency is improved. The problems of workpiece machining defects, equipment overheating and the like are reduced, and potential safety hazards are reduced.
Owner:JINAN XINLIXIN MASCH MFG CO LTD

Integrated processing method and device for batch data and streaming data, equipment and medium

The invention relates to the technical field of data processing and the field of financial science and technology, and discloses an integrated processing method for batch data and streaming data, which comprises the following steps of: acquiring to-be-processed data from a data source, and configuring proper processing logic based on metadata information of the data, and applying the processing logic to a batch processing engine and a stream processing engine using an adaptation layer. Historical batch data is processed through a batch processing engine, real-time streaming data is processed through a streaming processing engine, and the historical batch data and the real-time streaming data generate respective processing results. And then, the two types of results are merged through an adaptation layer to generate a comprehensive data set, so that subsequent unified query and analysis are facilitated. According to the method and the system, integrated processing of batch data and streaming data is realized by establishing a unified framework. Through the adaptation layer, the data processing logic is respectively adapted to the batch processing engine and the stream processing engine for processing the data, so that the independent processing logic of two types of data through the same architecture is realized, and two sets of independent systems do not need to be maintained.
Owner:PING AN BANK CO LTD

Intelligent stoma evaluation system and method combining spectral analysis and image recognition

The invention belongs to the technical field of spectral analysis, and discloses a spectral analysis and image recognition combined intelligent stoma evaluation system and method.A three-dimensional scanning module captures the three-dimensional form of a stoma and the three-dimensional form of surrounding tissue of the stoma through the high-precision laser or structured light scanning technology; the spectral analysis module is used for accurately analyzing the color change of the stoma; the tiny color difference of the stoma area is detected to help to identify potential tissue abnormality; the image recognition and processing module is used for analyzing the collected stoma image by using a deep learning algorithm and automatically recognizing morphological characteristics of the stoma; the data analysis and feedback system is used for automatically generating a stoma health assessment report according to the collected multi-dimensional data; through a set standard reference value, an actual measurement value is compared, and a corresponding suggestion is given, for example, whether a nursing scheme needs to be adjusted or further medical intervention needs to be carried out. According to the method, the real-time state of the stoma is accurately evaluated through non-contact scanning and spectrum detection.
Owner:SUN YAT SEN UNIVERSITY CANCER CENTER (CANCER HOSPITAL AFFILIATED TO SUN YAT SEN UNIVERSITY CANCER RESEARCH INSTITUTE OF SUN YAT SEN UNIVERSITY)

Gridding directional laser methane detection system

The invention relates to the field of gas leakage detection, and discloses a gridding directional laser methane detection system, which comprises the following steps of: acquiring area information which comprises a methane absorption signal, environmental data, background gas, an area image and historical leakage data; generating first two-dimensional structure data from the collected regional information, wherein the first two-dimensional structure data comprises a data matrix and a relation matrix; first one-dimensional structure data is obtained based on sorting of the first two-dimensional structure data, wherein the first one-dimensional structure data comprises n data items sorted according to time; and inputting the first two-dimensional structure data into the detection model, and outputting a methane leakage processing strategy. According to the invention, detection and treatment strategies of methane in fuel gas can be realized, and a distribution strategy of the methane laser detection device can be further given.
Owner:ANSHAN TIANHUI SCI & TECH CO LTD

Omnidirectional phased array antenna with planar subarray distribution

PendingCN119253237Aincrease the outer surface areaLarge beam scanning rangeAntenna supports/mountingsDisturbance protectionControl systemBeam scanning
The invention relates to the technical field of spaceflight measurement and control phased-array antennas, aims to solve the problems that an existing antenna is few in tracking measurement and control flying targets and limited in beam scanning range, and provides a planar subarray distributed omnidirectional phased-array antenna which comprises an antenna framework, a wave control system and a plurality of antenna subarrays. The antenna framework is provided with a plurality of windows, each window is internally provided with an antenna sub-array, and the windows are matched with the antenna sub-arrays; each antenna sub-array comprises a beam forming network, a duplexer, a multi-channel TR, a signal processing module and n * n antenna array elements arranged in an array, and n is an integer greater than or equal to 2; the wave control system is arranged in the antenna skeleton and is used for performing in-phase superposition on signal energy of each antenna array element in different target projection areas on an expected point and performing phase-shifting shunt control to realize full-airspace multi-beam signal receiving and transmitting; the omnidirectional phased-array antenna is wide in beam scanning range and can realize multi-target measurement and control.
Owner:10TH RES INST OF CETC

Long cantilever beam lifting device

The invention belongs to the technical field of hoisting equipment, and particularly relates to a long cantilever beam hoisting device which comprises a base mechanism, a stand column mechanism, a suspension arm mechanism and a traction mechanism. In order to solve the problem that an existing lifting device has the overturning risk in the lifting and rotating process, the vertical column mechanism is arranged in the mode that the center of gravity of an attachment is reduced to improve the stability, the lifting arm load is carried on the vertical column mechanism, and then the lifting arm load is connected with the lifting arm mechanism, so that the stability of the lifting arm mechanism is guaranteed, and meanwhile the stability of the lifting arm mechanism is improved. The gravity center of the equipment is lowered, and meanwhile, the load of the equipment is nested with the stand column mechanism, so that the overall size can be effectively reduced, and the hoisting stability can be improved; besides, an angular momentum balance device is carried on the suspension arm mechanism to drive the left balance wheel and the right balance wheel to rotate, the stability of the suspension arm mechanism is improved through angular momentum generated by rotation, and shaking of goods in the lifting and moving process is reduced.
Owner:SOUTHWEST COMM CONSTR GRP

Convenient-to-clean bag-type dust collector for metallurgical casting

The invention relates to the technical field of dust separation, in particular to a convenient-to-clean bag-type dust collector for metallurgical casting. The bag-type dust collector convenient to clean for metallurgical casting comprises a bottom frame, an outer frame, a dust falling hopper, a dust discharging pipe, an air inlet pipe, an air outlet pipe, a supporting plate and a cloth bag, the top of the bottom frame is connected with the outer frame, the bottom of the outer frame is connected and communicated with the dust falling hopper, and the bottom of the dust falling hopper is connected and communicated with the dust discharging pipe. The left side of the lower portion of the outer frame communicates with an air inlet pipe. The first electric sliding rail drives the spraying pipe and the spraying head to move downwards and stretch into the cloth bag, it is guaranteed that compressed air can evenly cover the inner surface of the whole cloth bag, especially the lower area of the cloth bag, the problem of dust cleaning dead angles in a traditional dust cleaning mode is solved, and the dust cleaning effect is remarkably improved; due to the fact that the nozzle blows in the cloth bag, airflow cannot directly impact the surface of the cloth bag, physical abrasion of the cloth bag is reduced, and the service life of the cloth bag is prolonged.
Owner:YUEYANG HUAZHONG ELECTROMAGNET TECH CO LTD

Industrial personal computer with UPS power-off protection function and protection system thereof

The invention discloses an industrial personal computer with a UPS power-off protection function and a protection system thereof, and relates to the technical field of industrial personal computers, and the industrial personal computer comprises a protection case, a fixed base is installed at the bottom of the protection case, a battery is installed in the protection case, a chain type wire is arranged above the battery, and a management mainboard is arranged above the chain type wire. When the industrial personal computer runs, especially the industrial personal computer is placed in an environment with large vibration or impact, the multifunctional sliding block is driven by the fixing block to vertically press to drive the L-shaped clamping plate to horizontally extrude the fixing base, so that vibration energy can be effectively absorbed and dispersed. Through the design of the scheme, the reset springs and the rubber damping blocks in the L-shaped clamping plates are combined, and the double damping effect can be provided through the elastic effect of the springs and the buffering effect of the rubber damping blocks in the L-shaped clamping plates.
Owner:SHENZHEN YANYUE TECH CO LTD

Urban rail transit emergency field question and answer method and system based on optimized RAG

The invention discloses an optimized RAG-based urban rail transit emergency field question and answer method and system, and relates to the technical field of artificial intelligence, and the method comprises the steps: firstly rewriting a user question into a new question conforming to an urban rail transit style, and then analyzing different types of documents in a knowledge base; then, the document is segmented, vector embedding is carried out, and meanwhile, a new problem is converted into a vector; then, by calculating the similarity between a problem vector and a document block vector, the most relevant document block is selected to form a recall set; then, a cross encoder is used for reordering the recalled documents, and the most relevant documents are selected to form a rearranged document set; and finally, inputting the new question and the rearranged document set into the fine-tuned large language model to generate a final answer. According to the method, through a large language model of question rewriting, accurate document segmentation and vectorization, multi-level retrieval and rearrangement and field fine adjustment, the accuracy and correlation of question answering in the urban rail transit emergency field are remarkably improved, and more professional and reliable intelligent question answering service is achieved.
Owner:TONGJI UNIV

Water-doped methanol fuel static mixer and blending flow control module thereof

The invention discloses a water-doped methanol fuel static mixer and a blending flow control module thereof, the static mixer realizes efficient mixing of methanol and water through a flow guide structure specially designed in the static mixer, and temperature, pressure and flow sensors are combined to monitor and adjust the concentration and supply quantity of fuel in real time. The mixer comprises a feed port, a discharge port, an internal multi-stage mixing structure, a flow control device and a monitoring instrument, through optimized geometric design and the multi-stage mixing structure, the stability of fuel concentration and the reliability of supply are ensured, the module can effectively solve the problems that methanol and water are not mixed uniformly, the concentration fluctuates, and the supply amount is not stable, and the mixing efficiency is improved. And stable supply of fuel is ensured, and the efficiency and safety of the fuel engine are improved. The system is suitable for the actual demand of ship fuel supply and has high automation and reliability.
Owner:SANYA SCI & EDUCATION INNOVATION PARK WUHAN UNIV OF TECH

Mechanical arm fault prediction system based on digital twinning

The invention discloses a mechanical arm fault prediction system based on digital twinning, and belongs to the technical field of mechanical arms. The system comprises a digital twin model construction module, an experimental simulation module, a data collection module, a model training module, a model test module, a fault prediction module, a prediction result output module, a result analysis module, an alarm prompt module, an aging prediction module, a durability analysis module, a digital model display module and a durability identification module for each part. The mechanical arm fault prediction platform is constructed on the basis of the digital twinning technology by means of cooperation of the multiple component state identification modules, the pre-arranged plan execution module and the pre-arranged plan setting storage module, and the faults, the aging degree and the durability of all the components of the mechanical arm can be predicted.
Owner:KUNMING UNIV OF SCI & TECH

EBPF-based multi-platform data acquisition method

The invention relates to the technical field of computer system monitoring and data acquisition, and discloses a multi-platform data acquisition method based on eBPF, which is suitable for Windows, Android and Linux operating systems. The method comprises the following steps: firstly, loading eBPF programs on different platforms to capture kernel events so as to realize comprehensive monitoring on system calling, network activities and file operation; next, standardizing the collected kernel event data by expanding a data processing function of a user mode application program, and transmitting the standardized kernel event data to a cross-platform data processing interface; in order to ensure the security of data transmission, an encryption protocol is introduced to protect multi-platform data. Finally, the transmitted data will be centrally stored and analyzed in order to detect system anomalies and potential security threats. By applying the eBPF technology, efficient data collection and safe data transmission are achieved in a multi-platform system, and the safety and reliability of multi-platform kernel event monitoring and data analysis are effectively improved.
Owner:SICHUAN UNIV

Anti-aging and repairing cosmetic composition as well as preparation method and application thereof

The invention belongs to the technical field of cosmetics, and particularly discloses an anti-aging and repairing cosmetic composition as well as a preparation method and application thereof. The cosmetic composition is prepared from the following raw materials in parts by weight: 0.05 to 1.5 parts of an ergothioneine pine mushroom extract, 1 to 10 parts of oat firming protein, 0.01 to 1 part of Marilong eight-treasure raw powder, 0.001 to 1 part of tetrahydromethylpyrimidine carboxylic acid, 0.000001 to 0.01 part of conopeptide, 0.00001 to 0.1 part of acetyl hexapeptide-8, 0.01 to 1 part of D-panthenol, 0.01 to 3 parts of nicotinamide and 0.01 to 1 part of sodium hyaluronate. The cosmetic composition provided by the invention simultaneously has multiple effects of immediate wrinkle removal, long-term anti-aging wrinkle removal, barrier repair and the like, the anti-aging repair effect of the product is greatly improved, and the maintenance process of consumers is effectively simplified. The prepared eye cream is small in irritation and good in anti-aging and repairing effects.
Owner:WUHAN MAYINGLONG MASSIVE HEALTH CO LTD

Pole frame polar plate and electrolytic bath applying same

The pole frame polar plate comprises the pole frame polar plate, the pole frame polar plate is a plastic pole frame polar plate, a plurality of alkali liquor inlets are formed in the bottom of the pole frame polar plate, a hydrogen outlet and an oxygen outlet are formed in the top of the pole frame polar plate, and an inner sealing face and an outer sealing face are arranged on the pole frame polar plate in the circumferential direction of the pole frame polar plate. A plurality of metal pins are arranged in the region, positioned inside the inner sealing surface, of the pole frame pole plate and are embedded into the plastic pole frame pole plate. The plastic electrode frame and the electrode plate are formed through one-time injection molding, subsequent machining and the fixing procedure of the electrode plate and the electrode frame are avoided, the leakage risk is fundamentally eliminated, the electrode frame and the electrode plate are all made of alkali-resisting materials, high in chemical corrosion resistance and free of metal impurities, the risk of electrochemical corrosion is fundamentally eradicated, and the service life of the battery is prolonged. The integrated plastic pole plate and the pole frame greatly reduce the equipment weight and size, simplify the installation, transportation and maintenance, and have obvious cost advantages; and meanwhile, metal pins are embedded in the middle of the polar plate to ensure electron transfer.
Owner:TIANJI EQUIPMENT TECHNOLOGY (SUZHOU) CO LTD +2

Motion evaluation method and device, electronic equipment and storage medium

The invention provides an exercise evaluation method and device, electronic equipment and a storage medium, and belongs to the technical field of exercise evaluation.The method comprises the steps that in the preparation stage, a preset human shape detection model is called to detect an input image frame so as to position a human body frame, and a tester located in a take-off area is determined according to the human body frame; in the take-off stage, a preset human body posture estimation model and a preset key frame positioning model are called, and whether the tester starts to take off or not is judged, so that a take-off frame is determined; in the flying stage and the landing stage, based on the take-off frame, the human body posture estimation model and the key frame positioning model are called, whether the tester starts to land or not is judged so as to determine a landing frame, the landing point of the tester is determined according to the landing frame, and the standing long jump score is calculated. Through automatic and intelligent technical means, the problems existing in traditional standing long jump evaluation are effectively solved, and a more accurate, objective and convenient evaluation scheme is provided.
Owner:IFLYTEK CO LTD

Low-wear-rate bearing

The invention relates to the technical field of bearings, discloses a low-wear-rate bearing, and solves the problems that in a conventional linear bearing, balls moving through a curve need to overcome the reverse acting force of balls in another straight way while being stressed to change the direction, the resultant force causes the abrasion of the balls in the curve to be aggravated, and noise is generated. One side of the elastic rubber belt is pressed on the surface of the ball making contact with the elastic rubber belt, the retainer moves on the bearing rod, so that the rubber wheel rolls on the bearing rod, and the rubber wheel drives the elastic rubber belt to move through the driving assembly and the belt wheel, so that the elastic rubber belt moves in the moving direction of the ball in an accelerated mode. In this way, the balls pushed by the elastic rubber belt cannot generate reverse acting force on the balls advancing in the curve, the pressure borne by the balls when the balls pass through the curve is reduced, and meanwhile the abrasion and noise conditions of the balls are reduced.
Owner:HANGZHOU XINCHENG MASCH MFG CO LTD

Multi-layer cleaning device for automobile parts

The utility model relates to the technical field of cleaning devices, and discloses a multi-layer cleaning device for automobile parts, which comprises a mounting frame, electric telescopic rods are fixedly connected to the left side and the right side of the inner wall of the mounting frame, clamping blocks are fixedly connected to the close ends of the two electric telescopic rods, a top cover is fixedly connected to the top end of the mounting frame, and the top cover is fixedly connected to the top end of the mounting frame. Hydraulic cylinders are mounted on the left side and the right side of the exterior of the top cover correspondingly, mounting blocks are fixedly connected to the bottom ends of the hydraulic cylinders, a motor is fixedly connected to the right end of the mounting block on the right side, and belt wheels are rotationally connected to the front side and the rear side of the interior of the mounting block on the right side correspondingly. According to the automobile part cleaning device, the hydraulic cylinder, the cleaning brushes and other structures are used in cooperation, so that the cleaning brushes on the front side and the rear side can rotate and move up and down at the same time to clean automobile parts, all-directional cleaning of the automobile parts can be achieved, and the cleaning effect, efficiency and quality are improved.
Owner:HUBEI HUANYA AUTO PARTS CO LTD

Reverse osmosis treatment equipment and method for removing heavy metals in sewage

The invention belongs to the technical field of sewage treatment, particularly relates to reverse osmosis treatment equipment and a reverse osmosis treatment method for removing heavy metals in sewage, and aims to solve the problems of poor impurity treatment effect, easiness in blockage of a filter screen, poor online replacement effect of a reverse osmosis membrane and the like during sewage treatment in the prior art. The reverse osmosis treatment equipment comprises a base, the top of the base is fixedly provided with a filter box and a purification box, the filter box is used for preliminarily filtering and purifying sewage input from the outside, and the purification box is used for performing reverse osmosis treatment on the preliminarily filtered sewage. The detachable design is matched with a double-filter-element system, replacement of reverse osmosis filter elements can be completed under the non-stop condition, a liquid inlet is intelligently regulated and controlled through a communication assembly, and an automatic cleaning and impurity collecting mechanism is matched, so that blockage can be effectively prevented, the maintenance cost is reduced, and the reliability and durability of equipment are enhanced.
Owner:中国市政工程西北设计研究院有限公司

A bridge construction displacement monitoring device

The invention discloses a bridge construction displacement monitoring device, which relates to the field of bridge safety and includes an infrared monitoring sensor, wherein the front and rear of the infrared monitoring sensor are both provided with a connection structure, wherein the connection structure includes a fixed ball seat, wherein the interior of the fixed ball seat penetrates through the front and is rotatably connected to a ball hinge body, wherein the outer surface of the ball hinge body is fixedly connected to a connecting rod 1, wherein one end of the connecting rod 1 is fixedly connected to a connecting frame, wherein a sliding plate is provided inside the connecting frame, wherein the top, bottom and both sides of the sliding plate are fixedly connected to sliders, wherein four sliding grooves are provided inside the connecting frame, wherein six springs are provided between the rear of the sliding plate and the rear of the interior of the connecting frame, and a ball shell is fixedly installed at the front of the sliding plate. By providing a connection structure, the invention not only prolongs the service life of the device, but also ensures the accuracy and reliability of the monitoring data.
Owner:BEIJING JIUTONGQU TESTING TECHNOLOGY CO LTD

Storage cluster multi-redundancy fault isolation method, system and device and medium

The invention discloses a storage cluster multi-redundancy fault isolation method, system and device and a medium, and the method comprises the steps: dividing a storage cluster according to medium types, nodes or slot grouping, and forming a plurality of protection domains and / or fault domains enabling data resources to be isolated; the plurality of protection domains and / or fault domains for isolating the data resources are used for isolating different data resources in different storage pools according to different characteristics of the data resources and a hierarchical protection or access control strategy, so that the isolation of the protection domains and / or fault domains at a physical level is realized. Different types of resource pools can be created, and the data management capability, the system stability and the service continuity of the distributed storage cluster can be improved.
Owner:CHINA TELECOM DIGITAL INTELLIGENCE TECH CO LTD

Torque adjusting structure of hydraulic retarder

The utility model provides a torque adjusting structure of a hydraulic retarder, and belongs to the technical field of hydraulic retarders. The oil cooler comprises a middle cover, a rear cover and an oil cooler body, the rear cover is connected with the middle cover and the oil cooler body through fastening screws, oil through holes are correspondingly formed in the rear cover and the oil cooler body, throttling ring installation grooves are formed in the side wall, close to the oil through holes, of the rear cover, and throttling rings are arranged in the throttling ring installation grooves. The throttling ring mounting groove is located at the end of the oil through hole and communicates with the oil through hole, and a throttling ring is arranged in the throttling ring mounting groove; by means of the design that a traditional throttling piece is changed into the throttling ring, use of a locking screw is avoided, the throttling ring can be directly arranged in a specially-designed installation groove in a buckled mode, the assembling and maintaining process of the device is simplified, and the throttling ring can be replaced more rapidly and conveniently; and when the throttling ring needs to be replaced, only the oil cooler needs to be disassembled, the process of disassembling and assembling the throttling piece is omitted, and the damage probability of the device is reduced while more convenience is achieved.
Owner:FUXIN DARE AUTOMOTIVE PARTS