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30results about How to "Timely conversion" patented technology

Tunnel dredging method suitable for railway large section IV, V class rock tunnel

The invention relates to the technical field of railway tunnel construction, specifically a digging method of IV and V-class surrounding rock railway tunnel with large cross section, aiming to solve the problems of the existing railway tunnel digging method including narrow operation space, low work efficiency, inflexible construction method, instable construction progress, high deformation potential of surrounding rock, and inconvenient operation. The method comprises performing leading support, digging arc-shaped pilot tunnel and preserving core soil; staggeredly digging left/right side walls of middle sidestep and preserving core soil; staggeredly digging left/right side walls of lower sidestep and preserving core soil; sequentially digging upper, middle and lower sidesteps and preserving core soil; and digging inverted arch and carrying out preliminary support. The invention has large construction space and high work efficiency, and can perform multi-job parallel operation. When the geologic conditions are changed, the invention can be flexibly and timely converted to other construction method. Preservation of core soil and left/right staggeredly digging are helpful to the stability of the digging working face. When the surrounding rock has large deformation, the invention can adjust closure time as soon as possible under the prerequisite of assuring safety and meeting requirements of clearance cross section.
Owner:CHINA RAILWAY 12TH BUREAU GRP +1

A copyright transaction method and device for pictures

The invention provides a copyright transaction method and a copyright transaction device for pictures. The method comprises the following steps: receiving an original picture uploaded by a selling user and copyright owner information of the picture; Generating unique digital fingerprint information for the original picture, writing the digital fingerprint information into the block chain, and identifying all authorized users of the artificial digital fingerprint information of the copyright of the original picture; Receiving a transaction condition which is submitted by a selling user and aimsat the original picture, and adding a to-be-sold identifier to the original picture; And if a purchase operation of the purchase user on the original picture carrying the to-be-sold identifier is received and it is judged that the purchase operation conforms to the transaction condition of the original picture, changing the ownership user of the digital fingerprint information of the original picture into the purchase user. According to the scheme provided by the invention, unique digital fingerprint information is generated for the original picture and is written into the block chain, so that the security and effectiveness of copyright information of the original picture can be effectively ensured based on decentration, disclosure, transparency and non-tamper characteristics of the blockchain.
Owner:BEIJING QIHOO TECH CO LTD

Method for excavating mountain tunnels in weak surrounding rock-fractured zones or shallow covered slope sections

The invention discloses a method for excavating mountain tunnels in weak surrounding rock-fractured zones or shallow covered slope sections, which includes the following steps: (1) cover arch and forepoling; (2) tunnel cutting, including the following steps: (a) the annular part of the upper cross section of the portal of the buried tunnel is first cut, a core soil part is formed on the upper cross section, and an arch is formed; (b) combined bolting and shotcrete is carried out on the arch; (c) the core soil part is cut; (d) the lower cross section of the portal of the buried tunnel is cut; (e) first shotcrete and combined bolting and shotcrete are carried out on the left and the right sidewalls; (f) an inverted arch is lined and backfilled; (g) secondary lining is carried out; (3) step 2 is repeated until the leading pipe shed construction of the next tunnel section is carried out; (4) step 3 is repeated until the tunnel runs through the weak surrounding rock-fractured zone of a mountain. The construction space is large, multi-working face parallel operation can be carried out, and the working efficiency is high; and since the core soil is reserved on the upper cross section and the left and the right cross sections on the lower cross section are staggerly cut forward, the cut working face can be kept stable.
Owner:CHINA CONSTR SIXTH ENG DIV CORP

Excavation construction method for super large cross section tunnel of bias shallow buried weak surrounding rock

The invention discloses an excavation construction method for a super large cross section tunnel of bias shallow buried weak surrounding rock. A temporary median lamella wall is adopted to divide a tunnel face into a left part and a right part; and the left part and the right part are excavated simultaneously through a three-bench-five-step method. According to the three-bench-five-step excavation method of the median lamella, when the geological condition changes, construction processes can be converted flexible and timely, the construction method is adjusted, and the construction period is shortened. The excavation method is simple in process and reliable in excavation, excavation of the super large cross section tunnel of the bias shallow buried weak surrounding rock is provided an important guarantee, the failure rate is low, and the project profitability is enhanced. A locking anchor pipe replaces a traditional locking anchor rod, the stability of the structure is also improved, meanwhile, steel pipes are adopted to fix steel frames, so that the steel frames form a whole through the connected steel pipes, the system bearing load is improved, the fixing effect of the steel frames is better, and control of tunnel deformation is very favorable.
Owner:CCCC SECOND HARBOR ENG

Novel intelligent vehicle lighting system in urban complex traffic environment and control method

The invention discloses a novel intelligent vehicle lighting system in an urban complex traffic environment. The system comprises a vehicle lighting system and a vehicle control system and further comprises an image capture system, a central control system, an electronic display screen, a steering wheel angle measuring instrument used for measuring the rotation angle of a steering wheel in real time, a vehicle speed measuring device and a processor. The vehicle speed measuring device is a speed monitoring system of a vehicle. The vehicle speed is correlated with the steering wheel angle and can be converted into the limit angle of a steering device needing to be started in time, and the vehicle steering device is automatically started through the processor; external lamplight, object movement and image detection of an automobile data recorder are correlated with automobile lamplight and voice prompts, high beams and low beams can be converted in time, vehicle lamps are turned on in time when the vehicle travels at night, and prompts of speed bumps and an obstacle are given in time; and the prompts are displayed on a display screen to remind a driver to pay attention to driving safety, and therefore an intelligent vehicle lighting adjustment and control system is obtained.
Owner:ZHENGZHOU UNIV

Information pushing method and device and server

The invention discloses an information pushing method and device and a server, and relates to the technical field of computers. The method comprises the following steps: determining a first time period corresponding to target push information; obtaining accumulated push consumption of the target push information in a second time period of the current period, wherein the second time period of the current period is a time period between the starting moment of the first time period of the current period and the current moment, and the current moment is a moment in the first time period of the current period; if the accumulated pushing consumption of the target push information in the second time period of the current period does not reach the target consumption, increasing the price adjustment coefficient of the target push information, determining the current exposure price of the target push information based on the increased price adjustment coefficient; and pushing the to-be-pushed information based on the sequence of the current exposure prices of the target push information and other push information. Therefore, the exposure probability of the target push information can be improved, so that the stability degree of the push consumption of the target push information is improved.
Owner:TENCENT TECH (SHENZHEN) CO LTD

Tunnel dredging method suitable for railway large section IV, V class rock tunnel

The invention relates to the technical field of railway tunnel construction, specifically a digging method of IV and V-class surrounding rock railway tunnel with large cross section, aiming to solve the problems of the existing railway tunnel digging method including narrow operation space, low work efficiency, inflexible construction method, instable construction progress, high deformation potential of surrounding rock, and inconvenient operation. The method comprises performing leading support, digging arc-shaped pilot tunnel and preserving core soil; staggeredly digging left / right side walls of middle sidestep and preserving core soil; staggeredly digging left / right side walls of lower sidestep and preserving core soil; sequentially digging upper, middle and lower sidesteps and preserving core soil; and digging inverted arch and carrying out preliminary support. The invention has large construction space and high work efficiency, and can perform multi-job parallel operation. When the geologic conditions are changed, the invention can be flexibly and timely converted to other construction method. Preservation of core soil and left / right staggeredly digging are helpful to the stability of the digging working face. When the surrounding rock has large deformation, the invention can adjust closure time as soon as possible under the prerequisite of assuring safety and meeting requirements of clearance cross section.
Owner:CHINA RAILWAY 12TH BUREAU GRP +1

Shuttlecock collection device for badminton training ground

InactiveCN111167090BGuaranteed orderly collectionImplement ordered collectionBall sportsEngineeringStructural engineering
The invention provides a shuttlecock collecting device for a badminton training field, which comprises a base, on which a ball picking mechanism, a filtering mechanism, a shuttlecock conveying mechanism, a shuttlecock collecting mechanism and a ball serving mechanism are sequentially arranged from left to right, and partitions are arranged between each mechanism The ball picking mechanism includes a third rotating shaft, on which a sweeping part is arranged; the filtering mechanism includes a conveying plate with several filtering holes at the bottom, and two electric lifting rods are arranged at the bottom; the badminton conveying mechanism includes a conveyor belt, The conveyor belt is provided with a guiding vibrator; the badminton collection mechanism includes a badminton collection bucket bracket with a barrel hole and a badminton collection bucket; the ball-serving mechanism includes a ball-catching base, and the ball-catching base is provided with a ball-catching part through an electric lifting rod. There is also an electric rotating disk near the right side of the ball-catching base, and the electric rotating disk is connected with the ball cylinder through the support; the device of the present invention is easy to operate, saves time and effort, has the functions of filtering dust, efficient and orderly collection, and can realize multi-angle serving The advantages.
Owner:SHAANXI TECHN INST OF DEFENSE IND

Online bidding and tendering method, device and system and storage medium

The invention relates to an online bidding and tendering method, device and system and a storage medium; and the method comprises the steps: receiving a bidding document uploaded by a bidding terminal, and generating a two-dimensional code corresponding to a cloud storage address of the bidding document; downloading a bidding document by identifying the two-dimensional code at the bidding terminal, and acquiring equipment parameters of the bidding terminal after uploading the bidding document; obtaining a feature identifier and an equipment parameter of a bid evaluation terminal; according tothe equipment parameters of the bidding terminal and the bidding evaluation terminal, judging whether the bidding evaluation terminal can read a bidding document or not, and if not, converting the bidding document into the bidding document which can be read by the bidding evaluation terminal; encrypting the bidding document according to the feature identifier of the bid evaluation terminal to generate an encrypted bidding document; and sending the encrypted bidding document to the bidding evaluation terminal, so that the bidding evaluation terminal decrypts the encrypted bidding document according to the feature identifier and completes bid evaluation. The problems that the bidding evaluation terminal cannot read the bidding document and the bidding evaluation process is low in safety aresolved, and the online bidding and tendering method have the effects of reading the bidding document in time and being safe in bidding evaluation.
Owner:上海容基工程项目管理有限公司

Remote control digital educational teaching device

The invention discloses a remote control digital education and teaching device, which comprises a base plate and a machine body installed on the base plate, a display screen is embedded on the surface of the machine body, a signal receiving device is arranged above the display screen, and a There is an information processor, an intelligent circuit board is arranged inside the body, and the intelligent circuit board is electrically connected to the display screen, the information processor is electrically connected to the intelligent circuit board, and an optical drive insertion port is opened on the side wall of the body. The device is inserted into different CD-ROM software through the CD-ROM drive slot, which can realize the timely conversion of different teaching programs. The remote control can be used to receive external signals through the signal receiving device, and the information processor can be used to feed back the signals to the display screen through the intelligent circuit board. The body is located In the installation groove on the surface of the bottom plate, it is easy to disassemble and assemble. During the lecture process of the lecturer, an external microphone can be connected to amplify the sound through the amplifying device, saving the lecturer's physical strength.
Owner:王英

Conversion type jet ventilation catheter

The invention relates to a conversion type jet ventilation catheter, which comprises a ventilation main catheter, a carbon dioxide detection branch catheter, a cuff inflation branch catheter and a main catheter cuff, openings are formed in the inner walls of two sides close to the upper end opening of the ventilation main catheter; the carbon dioxide detection branch catheter and the cuff inflation branch catheter are arranged in the openings, a main catheter cuff is arranged on the ventilation main catheter and located on the lower half section of the ventilation main catheter, the radius ofthe main catheter cuff is larger than the inner diameter of the ventilation main catheter, and the lower end opening of the ventilation main catheter is arranged in an inclined opening shape. The invention has the advantages that: the conversion type jet ventilation catheter can assist mouth and nose ventilation and keep the respiratory tract unobstructed, can achieve operation of different branchcatheters at the same time without interference to one another, the mechanical pressure ventilation mode and the jet ventilation catheter can be converted timely so as to facilitate timely conversionof different ventilation modes, and favorable conditions are provided for taking out foreign matters in the airway.
Owner:EYE & ENT HOSPITAL SHANGHAI MEDICAL SCHOOL FUDAN UNIV

A large-scale karst cave treatment and tunnel excavation method with deep dredging and full filling

A method for treating a large fully filled karst cave provided with a deep cave body and excavating a tunnel adopts a three-step seven-procedure method comprising steps of karst cave treatment, pre-grouting, excavation of an upper arc-shaped pilot tunnel, excavation of a middle step, excavation of a lower step and excavation of three steps in the middle. Construction space is large, mechanized construction is convenient, parallel operation on multiple working faces can be realized, and the working efficiency is high; construction procedures can be transformed flexibly and timely, and the construction method can be adjusted; the method is applicable to different spans and various section forms, and primary support procedures are convenient to operate; core soil is reserved on the basis of excavation with the step method, left and right staggered excavation is performed, and stability of excavation working faces is facilitated; when surrounding rock has larger deformation or abrupt change, the closure time can be adjusted as quickly as possible on the premise that safety is guaranteed and a clearance requirement is met, the method is widely applicable to karst cave stratums with special geological conditions, and construction and tunnel safety is guaranteed through rapid, safe and effective tunnel excavation construction under the geological conditions.
Owner:BEIJING MUNICIPAL ENG RES INST +1

A three-step construction technology based on a tunnel excavation and support integrated trolley

The invention is a three-step construction technology based on a tunnel excavation and support integrated trolley, and provides a three-step reserved core soil construction technology for a tunnel, including the platform position, and the upper platform moves longitudinally forward to perform advanced support. . After the advance support is completed, the drilling operation on the upper step face is started and after the drilling is completed, the working attachment of the working arm on the upper bench is replaced with a planer and milling machine assembly for milling and excavation of the upper step, and cleaning after milling and excavation Muck, while cleaning the muck, replace the attachment of the working arm on the bench with the wet spraying machine assembly, and connect the wet spraying material supply system to carry out the initial spraying operation of the upper steps. This construction process consists of excavation. , The installation of arch frame, bolt and wet spraying support is integrated, and there is no need for multiple equipment to work alternately. At the same time, the operation method of milling and spraying is adopted, which reduces the disturbance of surrounding rock, realizes fast digging, fast support and parallel operation, and improves construction efficiency. .
Owner:HAN JIANG HEAVY IND CO LTD 11TH BUREAU GRP CRCC +1

A large-scale karst cave treatment and excavation method across the tunnel body

ActiveCN106194196BReduced settlement convergenceReduce stress unevennessUnderground chambersDrainageCaveStep method
The invention relates to a method for processing and excavating a large cave crossing through a tunnel body. The method comprises the steps of processing the cave; grouting in advance; excavating an arc-shaped pilot tunnel on the upper part; excavating the middle steps; excavating the lower steps; excavating the three layers of steps on the middle part. According to the method provided by the invention, the construction space is large; the mechanical construction is convenient; the parallel operation of multiple operation planes can be performed; the work efficiency is higher; the construction process can be flexibly and timely switched and the construction method can be adjusted when the geological conditions are changed; the method can adapt to different spans and various section forms; the primary lining process operation is convenient; on the basis of step-method excavating, the core soil is reserved, left and right staggered excavating is performed and the stability of the excavating plane is benefited; when the deformation of the surrounding rock is large or sudden, the closing time can be adjusted as soon as possible under the conditions of ensuring safety and meeting clearance requirement; the method can be widely applied to the tunnel excavating construction for quickly, safely and effectively passing the geological conditions on the stratum under special geological conditions of the cave, so as to ensure the construction and tunnel safety.
Owner:BEIJING MUNICIPAL ROAD & BRIDGE

A long-standby power supply and SOC measurement integrated control method for a megawatt-level flow battery

The invention relates to the technical field of energy storage batteries, in particular to an integrated control method for long-standby power supply and SOC measurement of a megawatt-level liquid flow battery. The megawatt-level all-vanadium redox flow battery system mainly includes: all-vanadium redox flow battery unit; auxiliary battery unit; time-sharing control unit; SOC measurement unit; power supply unit, black start unit, etc. The all-vanadium redox flow battery unit mainly includes: main stack, positive electrolyte tank, negative electrolyte tank, main pump drive module A, main pump drive module B, main positive circulation pump, main negative circulation pump, megawatt DC- DC module, DC‑DC module A, etc.; the auxiliary battery unit mainly includes: auxiliary battery, auxiliary positive circulation pump, auxiliary negative circulation pump, auxiliary pump drive module A, auxiliary pump drive module B; the advantage of this method is that it solves the problem of megawatt The problem of long-term standby of the high-level flow battery energy storage system; and the flow battery energy storage system can be switched from the standby state to the normal working state in time, which improves the working efficiency of the flow battery energy storage system.
Owner:HEFEI UNIV OF TECH
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