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299results about How to "Guarantee normal progress" patented technology

Water-rich weak surrounding rock long-and-big tunnel construction method

The invention discloses a water-rich weak surrounding rock long-and-big tunnel construction method. The method includes that a tunnel inclined shaft is arranged on one side of a main tunnel of a tunnel to be constructed, the main tunnel is divided into a tunnel entry section, a tunnel exit section and a middle connecting section connected between the tunnel entry section and the tunnel exit section, the middle connecting section is divided into an inclined shaft assisting construction entry section and an inclined shaft assisting construction exit section, and each of the tunnel entry section, the tunnel exit section, the inclined shaft assisting construction entry section and the inclined shaft assisting construction exit section is divided into multiple sections for construction. A construction method of each section includes: step 1, performing geological forecasting in advance, and when a debris flow formation exists ahead, entering a step 2, or else, entering a step 3; step 2, performing stability control construction; step 3, determining a primary supporting scheme; step 4, excavating the tunnel, and performing primary supporting construction; step 5, performing secondary lining construction on the tunnel. The water-rich weak surrounding rock long-big tunnel construction method is simple in step, reasonable in design, simple and convenient to construct, good in using effect, capable of meeting construction requirements of water-rich weak surrounding rock long-and-big tunnels, short in construction period and safe in construction process.
Owner:CHINA RAILWAY 20 BUREAU GRP

Electric power tunnel inspection robot walking structure, robot and method thereof

The invention discloses an electric power tunnel inspection robot walking structure, a robot and a method thereof. The walking structure comprises two wall plates located on the two sides of a guide rail correspondingly and crossing a guide rail to be connected through a wall plate connecting rod; a set of driving mechanism, a set of braking mechanism, and two sets of guiding mechanism are mounted on each wall plate symmetrically along a guide rail. Every two sets of guiding mechanism are arranged on the two ends of the corresponding wall plate correspondingly. Each set of the guiding mechanism comprises a guide wheel floating device, and a guide wheel piston. One end of each guide wheel floating piston can slide in the corresponding guide wheel floating device. A spring is mounted in each guide wheel floating device. The other end of each guide wheel floating piston is connected with a guide wheel support A which is connected with a wheel shaft of the guide wheel. Each guide wheel floating device is fixed to the corresponding wall plate through a guide wheel support C which is connected with a guide wheel support B. Swinging arms formed by connecting the guide wheel supports B with the guide wheel supports A can limit the guide wheel supports A to drive guide wheels to extend and retract within a certain range.
Owner:康威通信技术股份有限公司

Estimating mining subsidence under turnout cluster of dedicated railroad, and governing expert system

The invention discloses an expert system for estimating and controlling mining damage under special railroad switch cluster, comprising a real- time estimating system of ground surface sinkage on underground mining condition, a real-time estimating system of sinkage deformation of special railroads and stations in mine in mining period, an intelligent estimating and control expert system of sinkage deformation of special railroads in mine, and a safety transportation protection technique against sinkage of special railroads and station switch cluster. And the invention establishes an expert system for estimating and controlling the sinkage of special railroads and station switch cluster in mine in the mining period, revealing characters and dynamic variation law of sinkage deformation of the railroads, thus advancing reasonable railroad maintaining measures, especially a control technique of deformation of railroads and station switch cluster. And the invention is simple and convenient to operate, and has a clear flow, and can make dynamic and steady estimation on mining damage under railroad and station switch cluster, and the estimated result has high accuracy. And the invention can raise total social and economic benefits of thick ledge mining under special railroads in mine.
Owner:BEIJING JIAOTONG UNIV

Method for chemically softening rock to allow fully mechanized coal face to pass collapsed column

InactiveCN102720497AWeakened mechanical strengthGuaranteed normal progressUnderground miningSurface miningCoalPetrology
The invention discloses a method for chemically softening rock to allow a fully mechanized coal face to pass a collapsed column. The method includes: drilling rock of the collapsed column, and filling chemical solution to dissolve and corrode mineral components of the rock of the collapsed column, thereby changing internal structure of the rock of the collapsed column, reducing inter-particle action of the rock of the collapsed column, lowering internal cohesion of the rock of the collapsed column and weakening mechanical strength of the rock of the collapsed column to soften the rock of the collapsed column; and selecting reasonable coal cutter web and work face cycle advance to allow the fully mechanized work face to pass the collapsed column. By the method, tunneling and supporting amount, coal loss amount and conveyance amount when the fully mechanized work face is subject to skipping, bypassing and directly passing through the collapsed column are reduced, difficulty in moving and replacement of a support and abutting of work faces, equipment damage caused by direct passage and the like are eliminated, and normal advance of the fully mechanized work face is guaranteed. The method is economic, practical, simple, quick, safe and reliable, guarantees low coal loss and has high popularization and application value.
Owner:TAIYUAN UNIV OF TECH

Method and device for coordinating and switching layer 2 and layer 3 virtual private networks in bridging apparatus

The present invention discloses a method and device for coordinating and switching layer 2 and layer 3 virtual private networks in a bridging apparatus. The method includes: establishing a tunnel between a main bridging node and a backup bridging node thereof of the layer 2 and layer 3 virtual private networks for carrying a layer 3 virtual private network (L3VPN) business; establishing a protective tunnel at the L3VPN via a layer 3 looped network; and when a breaking point exists in links on a converging ring hung beneath the main bridging node and between the main bridging node and the backup bridging node thereof of the layer 2 and layer 3 virtual private networks, detecting an IP address segment which is route inaccessible caused by the breaking point; starting, by the main bridging node, fast reroute VPN FRR switching, and switching the business to the backup bridging node via the protective tunnel. At the same time, the present invention further discloses a device for coordinating and switching layer 2 and layer 3 virtual private networks in a bridging apparatus. According to the present invention, the L2VPN and L3VPN protection linkage can be achieved to ensure normal operation of the business.
Owner:中国移动通信集团内蒙古有限公司

Converting station fire disaster early warning inspecting robot

The invention belongs to the technical field of intelligent equipment, and particularly relates to a converting station fire disaster early warning inspecting robot. A robot body and a walking device,a monitoring device, a control device, a communication device and a navigation positioning device which are arranged on the robot body are included, the walking device comprises two V-shaped crank arms and two obliquely arranged supporting frames, the ends of the V-shaped crank arms and the supporting frames are provided with driving motors, rolling wheels are in transmission connection with output shafts of the driving motors. The robot has the advantages that functions of climbing stairs and entering cable ditches are achieved, equipment of cable ditches and the like and indoor and outdoorenvironments of a converting station can be automatically inspected according to preset time and routes, fire disaster potential safety hazards of heat generating points, electric sparks, flame spots,smoke sensing spots and the like can be timely discovered, functions of fire disaster early warning and alarming of an unmanned converting station are achieved, and the robot has the application prospects of being popularized in the fields of warehouses, oil depots and the like.
Owner:PINGDINGSHAN POWER SUPPLY ELECTRIC POWER OF HENAN +1

Calling authority control and calling authority prompt method and system in digital cluster

The present invention discloses a speaking right control and speaking right indicating method in digital cluster and the system, which is used in digital cluster communication system. Wherein, the method comprises: firstly, the calling terminal initiates cluster call to the dispatching control center and caches the local sound; secondly, the calling terminal receives the calling requirement of the dispatching control center and sends the local sound to the dispatching control center; thirdly, the dispatching control center caches the local sound and the calling sound so as to transmit the local sound to the called terminal and do speaking right queue processing to the other terminals initiating speaking right requirements; fourthly, the dispatching control center sends leisure indication to the calling terminal when the calling terminal finishes the speaking so as to transmit the speaking sound of the calling to the called terminal and send leisure indication to the called terminal when the transmission is finished. The present invention solves the problems of word loss of the called and speaking right distributing conflict when the called speaks firstly after the digital cluster is guided with sound cache to realize the rapid switch function.
Owner:SHENZHEN ZTE TRUNKING TECH CORP

Logic error proofing leakproof inspection system and method based on mobile hand-held equipment and label scanning

The invention discloses a logic error proofing leakproof inspection system and method based on mobile hand-held equipment and label scanning; the system comprises an inspection service center, the mobile hand-held equipment and inspection label groups distributed on each inspection point; the inspection service center is used for issuing inspection task information and monitoring the inspection task; the mobile hand-held equipment is used for scanning the inspection label group and verifying the labels when inspection people execute the inspection task, and sending scanned label information and inspection information back to the inspection service center; the inspection label group comprises a position label and a content item label, wherein the position label is used for recording the inspection point position information, and the content item label is used for recording various inspection item information of the inspection point. The inspection people execute the inspection task, scan the inspection label group according to the inspection task information and verify the labels, thus ensuring normal operation of the inspection work, and preventing error detection and detection leakage conditions.
Owner:成都科曦科技有限公司

Information engineering supervision project image progress management system

The information engineering supervision project image progress management system comprises a project module, a working module, a man-hour module, a timing module, an early warning management module, a project guide module and a project display module. A project establishment application module is used for collecting project information including project establishment types, project full names, project attributes, project levels, project properties, proprietors, project types, contract amounts, project managers, execution places, belonging industries, general supervision engineers and auditing personnel, generating a project basic information form with project numbers as keywords, and transmitting the information to the project approval module of the authorized user step by step for approval. The project guide module displays the time range and the current state of each stage of the project in a list form, and the project display module displays the time range and the current event task state of each event task stage of the project, so that the whole supervision project period and the three-dimensional accurate guidance of a manager on the project are realized, the supervision project management efficiency is improved, and the management cost is reduced.
Owner:北京中百信信息技术股份有限公司

Machine room inspection method and device

The invention provides a machine room inspection method, which comprises the following steps of: A, inputting a plurality of inspection points, image shooting parameters, inspection contents and the inspection time into an inspection robot, and generating a network topological graph; b, carrying out calibration work; c, performing routing inspection when the routing inspection time is up, otherwise, entering the step I; d, shooting an indicator lamp group image at the inspection point; e, detecting the state of an indicator lamp; f, shooting an equipment image containing the to-be-detected air switch, and positioning the to-be-detected air switch; g, inputting the to-be-detected switch image into the yolo model to obtain the position and the state of each switch; h, judging whether the air switch state is abnormal or not and whether leak detection exists or not; and I, receiving alarm information of the network management system, controlling the inspection robot to arrive at the fault position, and repeating the step D and the step E. The invention further provides a machine room inspection device. According to the invention, an accurate network topological graph can be generated, the detection with strong anti-interference performance, low false detection rate and high accuracy is achieved, and the inspection of the machine room is more comprehensive.
Owner:QUANZHOU POWER SUPPLY COMPANY OF STATE GRID FUJIAN ELECTRIC POWER +2

Method for enabling fully mechanized face to directly pass through collapse pillar by drilling weakened rock

The invention provides a method for enabling a fully mechanized face to directly pass through a collapse pillar by a drilling weakened rock. The method comprises the following steps of: determining a boundary of the collapse pillar and sampling a collapse pillar rock; detecting a single-shaft compression strength of the rock and detecting the supporting pressure level of the fully mechanized face and an influence range thereof; determining a drilling parameter of the collapse pillar according to the single-shaft compression strength of the collapse pillar rock, the supporting pressure level in front of the fully mechanized face and the influence range thereof; and then determining a reasonable cutting depth when a coal cutter passes through the collapse pillar. According to a mechanical property of the collapse pillar rock, the rock is drilled and the mechanical strength of the collapse pillar rock is reduced, so that the fully mechanized face can directly pass through the collapse pillar rock and the problems that a roadway construction and timbering engineering amount, a coal loss amount and a moving working amount are great when the fully mechanized face jumps over, winds around and directly passes through the collapse pillar can be solved; and the method is economical and practical, simple and rapid, safe and reliable.
Owner:TAIYUAN UNIV OF TECH

Adjustable tree whitening device and using method thereof

The invention discloses an adjustable tree whitening device and a using method thereof, and relates to the technical field of nursery stock protection devices. The device comprises a handheld rod andan annular fixing plate, wherein a first blind hole and a second blind hole are formed in the two ends of the interior of the handheld rod, a water pump communicating with the first blind hole is movably arranged at one end of the handheld rod, and supporting plates are symmetrically arranged on the other end surface of the handheld rod; through holes communicating with the first blind hole are formed in the supporting plates, a first fixing rod is rotationally connected between the two supporting plates, and the first fixing rod is in interference fit with a half-gear column; and the half gear column comprises a half gear and a guide column, the guide column is fixedly connected to the peripheral side surface of the half gear, and the other end of the guide column is located in the secondblind hole. According to the adjustable tree whitening device, the white angle of a movable plate is adjusted through meshing of the half gear column between the supporting plates and the cylindricalgear on the fixing plate, and the diameter of the movable plate is adjusted through bolts on the fixing plate so as to correspond to trees with different diameters, so that the working efficiency oftree whitening is effectively improved, and the labor pressure of people is relieved.
Owner:浙江高创盟知识产权咨询有限公司

Two-piece all-hydraulic tunnel drilling machine

The invention discloses a two-piece all-hydraulic tunnel drilling machine comprising three parts, i.e. a power precession device, a hydraulic power unit and a console, wherein the power precession device and the hydraulic power unit are independently arranged in a two-piece mode, and the console is independently arranged or is arranged on the power precession device or the hydraulic power unit; the three parts are connected through pipelines; under the control of the control valve of the console, the hydraulic oil of the hydraulic power unit acts on the hydraulic motor of the power precession device through the pipeline to ensure that the power head of the power precession device not only can rotate but also can feed and move front and back. The three parts of the drilling machine of the invention are independently arranged and respectively installed; when construction is carried out in a tunnel, the power precession device only needs to be installed on a handling frame, and the hydraulic power unit, the console and the like are installed on the ground surface of the tunnel, thus the tunnel drilling machine is convenient to use; and when the drilling machine works, smaller tunnel space is occupied to ensure normal operation of construction. The invention obviously lowers the manufacturing cost, the use cost and the maintenance cost of the drilling machine and has higher economical efficiency.
Owner:CHONGQING EXPLORATION MACHINER FACTORY

Parallel chain consensus method and device and storage medium

The invention provides a parallel chain consensus method and device and a storage medium, and the method comprises the steps: storing the parallel chain authorization account group information of theblock height of a block when the parallel chain consensus succeeds; generating a first consensus transaction according to the block execution result and the real-time parallel chain authorization account group information, sending the first consensus transaction to the main chain node so as to update the parallel chain authorization account group, and performing parallel chain consensus accordingto the updated parallel chain authorization account group; monitoring whether consensus of the parallel chain block succeeds or not before timeout; and if not, judging whether the number of the authorized accounts is reduced, if so, judging whether to resend the consensus transaction according to a preset rule, and if so, generating a second consensus transaction according to the third parallel chain authorized account group information and sending the second consensus transaction to the main chain node so as to update the parallel chain authorized account group and perform parallel chain consensus according to the updated parallel chain authorized account group. According to the invention, the normal operation of the parallel chain consensus when the authorized node account group is changed is ensured, and the waste of service fees is reduced.
Owner:HANGZHOU FUZAMEI TECH CO LTD

Automatic cleaning machine for soilless culture pipeline

The invention discloses an automatic cleaning machine for a soilless culture pipeline. The automatic cleaning machine is used for automatically cleaning the soilless culture pipeline. The automatic cleaning machine comprises a machine frame, a guide rail, cleaning brushes, shower nozzles, a sensor and a control part. The guide rail is horizontally fixed to the middle of the machine frame. The sensor is fixed to the machine frame and connected with the control part. The shower nozzles are connected with an external liquid source. The number of the shower nozzles is two or more. The shower nozzles are fixed above the guide rail and point to the guide rail. The cleaning bushes are disposed on the two sides of the guide rail in pairs in the direction of the guide rail. The number of the cleaning brush pairs is six or more. When the soilless culture pipeline is placed in the cleaning machine to be cleaned through the cleaning brushes, the direction of friction force between the brushes and the pipeline is towards an outlet of the guide rail. According to the automatic cleaning machine, the cleaned pipeline is made to move in the cleaning machine directly through the friction force generated in cleaning, so that the structure is simplified, cost is reduced, and automatic cleaning of the soilless culture pipeline can be achieved.
Owner:FUJIAN AGRI & FORESTRY UNIV

Anastomat with adjustable bending angle of bending mechanism

ActiveCN112617926AImprove the accuracy of surgical cutting and suturingDoes not affect operationSurgical staplesSurgical field illuminationAnastomosis couplerEngineering
The invention relates to the technical field of anastomats, and particularly relates to an anastomat with an adjustable bending angle of a bending mechanism. The anastomat comprises a fixed handle, a connecting sleeve, a rod body, a nail bin seat, a nail abutting seat and a movable handle, wherein a connecting rod mechanism is arranged in the fixed handle and comprises a guide rod, a push rod and a center rod; a first bending pipe is arranged in the middle of the rod body; a second bending pipe is arranged on the center rod; a third bending pipe is arranged on the push rod; an abutting seat is arranged in the fixed handle; a buffer mechanism is arranged on the abutting seat and comprises a pressure seat and a movable column; the movable column is sleeved with the pressure seat; a pressure bin is arranged in the pressure seat; and a piston is arranged at the bottom end of the movable column. The anastomat is provided with the buffer mechanism, the force during pinching and combination of the movable handle can be buffered, the phenomenon that the nail bin seat and the nail abutting seat are deformed due to too large force and accordingly cutting and suturing of wound parts are affected is avoided, and the operation stability of the anastomat and the surgical cutting and suturing accuracy are improved.
Owner:SUZHOU FRANKENMAN MEDICAL EQUIP

Working method for realizing real-name refueling based on Internet of Things technology

The invention provides a working method for realizing real-name refueling based on an Internet of Things technology. The real-name refueling method mainly comprises face recognition and certificate information verification. Whether the vehicle owner face information is consistent with the certificate information or not is judged through comparison of the database, furthermore order issuing is realized, secondary verification after arriving at the gas station prevents unexpected conditions in the midway driving process, an order placing person and a refueling person are ensured to be the same person, a server records and stores the information of a vehicle owner so as to facilitate next refueling, meanwhile, whether an oil gun unlocking command is issued or not can be judged by judging thematching degree of the face and the certificate information twice, error records are automatically deleted or stored according to the matching degree condition, and refueling data can be directly transmitted to a mobile phone APP of a vehicle owner after refueling is completed. Compared with existing direct payment refueling, refueling is safer, meanwhile, a user does not need to queue up to waitfor a voucher, the refueling speed is increased, and a phenomenon of fuel stealing can be prevented through locking of the refueling gun.
Owner:宋阳
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