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867results about How to "Reduce construction costs" patented technology

Interactive low power consumption live broadcasting and recorded broadcasting system and method for teaching

ActiveCN106816055AReduce construction costsLower refresh rateElectrical appliancesCoarse dataTimestamp
The invention provides an interactive low power consumption live broadcasting and recorded broadcasting system and method for teaching. The student side adopts a special low power consumption interaction terminal, and is provided with a live broadcasting control all-in-one machine; the live broadcasting control all-in-one machine can acquire audio and video streaming media, course and teaching plan pictures or files and attached media file for time axis synchronization, generate a real-time coarse data stream, and upload the real-time coarse data stream to a live broadcasting and recorded broadcasting center server; the live broadcasting control all-in-one machine further acquires the coarse data stream from the live broadcasting and recorded broadcasting center server for demultiplexing, enables the audio and video streaming media and the attached media files to reappear, and pushes the course and teaching plan pictures or files to the low power consumption interaction terminal for synchronous displaying. The system further realizes interaction between interacting contents and interacting messages. The invention provides a two-dimensional time axis synchronization technology based on an intensive timestamp and the content overlap ratio, and synchronous association of the interacting contents, the interacting messages and the real-time coarse data stream is realized.
Owner:杭州恒生数字设备科技有限公司

Construction method for treating foundation through filling by adopting draining pile tubes

The invention provides a construction method for treating foundation through filling by adopting draining pile tubes, belonging to the technical fields of water-bearing soft soil foundation draining and solidifying construction. The existing one-time draining construction of the water-bearing soft soil foundation can not satisfy the projects with higher requirements for bearing capacity needed bythe foundation. In the method, draining pile tubes are adopted, wherein the walls of the pile tubes are provided with holes and coated with filter membrane structures, and then filling materials are poured into the draining pile tubes after drainage, thus sleeved piles with functions of supporting and secondarily reinforcing the foundation are formed. The vacuum suction and drainage principle, the loading drainage principle and the construction method can be combined. The method has the following advantage: the draining components which are originally useless after drainage can be directly used as the sleeved piles with the function of secondarily reinforcing the foundation after drainage, thus greatly enhancing the bearing capacity and stability of the foundation, ensuring that one object has two purposes, saving the construction cost of the pile after driving, shortening the construction period and simplifying the construction process. The method is especially suitable for the projects with high requirements for the bearing capacity of the foundation.
Owner:任再永

Tunneling construction method for directly removing overpass group piles by using shield machine

The invention relates to the technical field of tunnel shield construction, in particular to a tunneling construction method for directly removing overpass group piles by using a shield machine, which solves the problems of big risk, high technical requirements, a long construction period, high cost and the like when the conventional bridge pile is underpinned by a shield tunnel boring machine in the prior art. The tunneling construction method comprises the following steps of: assessing the risk and then underpinning pile foundations of the group piles by performing valve plate construction and grouting jointly; performing optimization reconstruction on the shield machine before a bridge pile is removed by the shield machine; slowing down the shield machine before the bridge pile is removed by the shield tunneling machine; adjusting torque dynamically when the bridge pile is removed; tunneling at a low rotation rate after the bridge pile is removed; performing ground tracking grouting after the shield machine passes through the bridge pile; and detecting the inner part of a tunnel by using a radar and then grouting complementally in time. The tunneling construction method for directly removing the overpass group piles by using the shield machine has the advantages of simple process, short construction period, low cost, controllable risk, good economic and social benefits, wide applicable range and the like.
Owner:CHINA RAILWAY 12TH BUREAU GRP +1

Large-sized parking space detection system based on solar unmanned aerial vehicle group and working method thereof

The invention belongs to the technical field of intelligent traffic, and particularly relates to a large-sized parking space detection system based on a solar unmanned aerial vehicle group. The system comprises unmanned aerial vehicles in the air as well as a control center and a display device on the ground; the unmanned aerial vehicles are used for shooting images of ground parking spaces in real time in the air, and transmitting the images to the ground control center; the control center is used for monitoring and positioning the unmanned aerial vehicles, receiving the images shot by the unmanned aerial vehicles, processing and recognizing the images to obtain information of empty parking spaces, and transmitting the recognition result to the display device; and the display device is used for displaying the information of the empty parking spaces in a parking lot. Moreover, the invention further discloses a working method of the system. The system has extremely strong mobility, facilitates real-time quick detection of outdoor parking lots and temporary parking spaces built for large-scale activities, can reduce the construction cost compared with a fixed detection system, can be used in a mobile mode, and has high precision.
Owner:SHANDONG UNIV OF SCI & TECH

Offshore power generating equipment

The invention provides offshore power generating equipment. The offshore power generating equipment comprises an offshore power generating unit and an anchor chain component, wherein the anchor chain component is used for connecting the offshore power generating unit with the seabed, the offshore power generating unit comprises a wind power generating set, a wave power generating set and an ocean current power generating set, the wind power generating set is arranged above a sea surface, the wave power generating set floats on the sea surface and is fixedly connected with the wind power generating set, and the ocean current power generating set is arranged below the sea surface and fixedly connected to the lower end of the wave power generating set. The wave power generating set comprises at least three float bowls, floating platforms, wave gathering plates and at least one fixed plate, the floating platforms and the wave gathering plates are corresponding to the float bowls in number, and the fixed plates are fixedly connected with all float bowls and used for mounting the wind power generating set. The offshore power generating equipment has the advantages that three clean energies including wind energy, wave energy and ocean current energy are comprehensively utilized, power is transmitted out via one power transmission circuit, power generating capacity and power generation stability are improved greatly, and power generation cost in each unit is lowered effectively.
Owner:UNIV OF SHANGHAI FOR SCI & TECH

Underwater lift adjusting device for enabling net cage to resist wind waves

The invention discloses an underwater lift adjusting device for enabling a net cage to resist wind waves. The underwater lift adjusting device for enabling a net cage to resist wind waves consists of an upward-floating body, a bolt mechanism, a lift propeller mechanism, a net cage sinking/floating guide pile, an underwater screw anchoring mechanism, a seafloor base and a balancing weight. The main connection way of the device is as follows: the upper end of the net cage sinking/floating guide pile is connected with the upward-floating body through the bolt mechanism, the lower end is fixed with the seafloor base in a welding way, and the underwater screw anchoring mechanism is sleeved at the lower end of the net cage sinking/floating guide pile in a slip connection mode. ccording to the invention, the net cage can be anchored on the seafloor through the screw anchor, the underwater depth of the net cage can be adjusted through the propeller, and the stable and balanced towing displacement can be realized through the upward-floating body and seafloor base, thereby achieving the aim that the net cage can be fixed on the seafloor or moved away and the underwater lift can be adjusted and controlled; and the device has the advantages of simple operation process and low construction cost, is safe and reliable, and can be easily accepted by common farmers.
Owner:ZHEJIANG OCEAN UNIV

Minimally-invasive non-excavation pipe jacking and pull technology

The invention discloses a minimally-invasive non-excavation pipe jacking and pull technology which comprises the following steps that 1, a working well and a receiving well are excavated; 2, minimally-invasive non-excavation drilling equipment is erected in the working well, and a hole is drilled towards the receiving well by a guide drilling bit till the drilling bit penetrates into the receiving well; 3, the guide drilling bit of the minimally-invasive non-excavation drilling equipment is dismounted, a back dragging reamer in a preset specification is mounted on a drilling rod of the minimally-invasive non-excavation drilling equipment, the minimally-invasive non-excavation drilling equipment is started for back dragging, and back dragging reaming begins till the back dragging reamer reams and is moved to the working well; and 4: (1), the back dragging reamer is dismounted, the minimally-invasive non-excavation drilling equipment is started, and the drilling rod passes through to the receiving well; (2), a pipe jacking machine is arranged in the receiving well; (3), a cement pipe is put into the receiving well, the drilling rod is sleeved with the cement pipe in a penetrating manner, and a pipe dragging device is mounted; and (4), the minimally-invasive non-excavation drilling equipment is started for the back dragging, the cement pipe is dragged by the pipe dragging device, and the pipe jacking machine is started and jacks the cement pipe into the hole till the cement pipe is dragged and jacked to a preset position.
Owner:JIANGSU WODI CONSTR ENG

Pedestrian crossing signal lamp system with red light running evidence obtaining function and method

The present invention relates to a pedestrian crossing signal lamp system with a red light running evidence obtaining function and a method. The system of the invention comprises pedestrian crossing lamps, a main cabinet and a central management platform. The method for realizing the red light running evidence obtaining function includes the following steps that: an embedded camera installed in a pedestrian crossing signal lamp column is triggered to work through red light signals, so that the embedded camera detects whether a pedestrian who runs a red light exists in a pedestrian crossing region, and shoots three walking pictures of the pedestrian who runs the red light, tracks the pedestrian to a certain position when the pedestrian is clear, and shoots a face close-up, and as a result, four pictures for red light running evidence obtaining can be obtained; and the face close-up is played in real time in a rolling manner on the highlighted liquid crystal display of the lamp column, so that passers-by can be informed; and the face picture is transmitted to the center management platform, and comparative recognition is performed on the face picture and information in a database through using a deep learning-based face recognition algorithm, and the number of the times of red light running of the pedestrian can be obtained by doing statistics. According to the system and the method of the invention, an unattended traffic management mode is adopted, a safety warning function and a case recording function can be achieved, and the work intensity of law enforcement personnel can be decreased more obviously.
Owner:NANJING LANTAI TRAFFIC FACILITIES +1

Crossing train approaching real-time pre-warning system and method based on distributed optical fibers

The invention discloses a crossing train approaching real-time pre-warning system and method based on distributed optical fibers. The crossing train approaching real-time pre-warning system comprises distributed optical fiber detection systems, a monitoring platform data center, a management terminal, a crossing terminal, an existing railway communication optical cable and multiple warned crossing installation crossing terminals. Each distributed optical fiber detection system comprises Rayleigh or Brillouin scattering distributed optical fiber vibration and strain sensors, a detection instrument and a mode recognition unit. The distributed optical fiber vibration and strain sensors are laid in the whole rail length direction, and the positions and strain and vibration signals in the advancing process of all trains are given by Rayleigh or Brillouin scattering signals in the distributed optical fiber vibration and strain sensors in the distributed optical fiber detection systems and are treated through signals of the mode recognition units, the lengths, the train positions, the real-time running speeds and the train ascending and descending direction information of all the trains on a rail covered by the optical fiber detection systems are obtained, and the approaching states of the trains at the warmed crossings distributed along the line of the rail are monitored and protected in real time.
Owner:SHANGHAI RAILWAY BUREAU +1

Hoisting method for overhauling and dismantling vaporization flue fixed at first section of converter

The invention relates to a hoisting method for overhauling and dismantling a vaporization flue fixed at the first section of a converter, belonging to a hoisting device for equipment. The hoisting method comprises the following specific steps of: firstly, arranging a hoisting jig; secondly, arranging hoisting points and a hoisting steel wire rope; thirdly, dismantling a support seat; and fourthly, dismantling the vaporization flue fixed at the first section: (1) horizontal positioning: enabling the vaporization flue fixed at the first section to be horizontally placed on a body of the converter; (2) moving the vaporization flue fixed at the first section rightwards: enabling the vaporization flue fixed at the first section and the converter to commonly rotate and move rightwards to the inside of an adding bay of the converter; and (3) lifting the vaporization flue fixed at the first section: lifting a secondary lifting rope and a main lifting rope for an adding bay traveling crane, lifting the vaporization flue fixed at the first section and moving the adding bay traveling crane to hoist the vaporization flue fixed at the first section to the designated position to finish the dismantling and hoisting work. The efficiency and the quality for overhauling and dismantling the vaporization flue fixed at the first section of the converter are effectively improved, the construction cost is reduced and the overhaul time is shortened.
Owner:CHINA MCC17 GRP

Ultra wide band stimulated raman spectroscopy microscopic imaging system simple and convenient to use

The invention discloses an ultra wide band stimulated raman spectroscopy microscopic imaging system simple and convenient to use. The ultra wide band stimulated raman spectroscopy microscopic imaging system is obtained through the method including the steps that ultra-short pulse lasers generated by an ultra-short pulse laser are divided into two beams through a spectroscope, one of the beams is strokes light which sequentially passes through an adjustable retroreflection mirror system with a rotary knob, and a light intensity modulator, the other beam generates a super-continuum spectrum through a photonic crystal fiber, and a part of the wave band of the super-continuum spectrum is selected through a band-pass filter to be used as pump light, time relay of two pulses is rapidly adjusted through the retroreflection mirror system after the two beams are converged through a dichroscope, the components, with different wavelengths, of the strokes light and the components, with different wavelengths, of the pump light are overlapped, sequentially pass through a scanning unit, an objective lens, an optical filter and a photoelectric detector, and are processed through a lock-in amplifier and imaged on a computer, the continuous adjustable ultra wide band stimulated raman biological microscope spectral imaging is finally achieved, and the ultra wide band spectral component continuous adjustable stimulated raman spectrum detection imaging which has great research value in the bioscience field can be specifically achieved.
Owner:SOUTH CHINA NORMAL UNIVERSITY

Supporting method for construction of swirl well

The invention discloses a supporting method for the construction of a swirl well. By using the supporting method, thin and long rod piece soil nails which are more densely arrayed are placed into an in-situ soil body in a foundation pit excavation process and a reinforced concrete pavement layer is sprayed on a slope surface. A composite soil body is formed by the common work of the soil nails, the soil body and the sprayed concrete pavement layer. A construction of the swirl well supported by a soil nail well comprises the following steps of: excavating one section of the base groove of the swirl well according to a small sloping coefficient; drilling holes by utilizing a drilling machine and putting an anchor rod; grouting and blocking; suspending a steel bar net sheet and spraying fine stone concrete to form a foundation side wall; gradually excavating and gradually carrying out combined bolting and shotcrete on the soil nails until the designed elevation of the foundation pit of the swirl well is achieved; and then, carrying out the section construction process of the cylinder wall of the reinforced concrete and an inner structure from bottom to top. By using the method, the supporting problem of a super-deep foundation pit under a hard soil layer environment is solved; and compared with a drop shaft sinking method, an underground diaphragm wall and a reverse process construction method, the method disclosed by the invention has the characteristics of simple construction process, low construction cost and fast construction speed.
Owner:TIANJIN 20 CONSTR

BAS control system of urban railway system and method thereof

The invention discloses a BAS control system of urban railway system and a method thereof. The BAS control system comprises a station level integrated monitoring system network and a BAS field level network, wherein the station level integrated monitoring system network is provided with a redundancy scheduling module, the BAS field level network is in a double loop network structure and comprises at least two redundancy PLCs and a redundancy scheduling module, the redundancy PLCs are divided into a main PLC and a spare PLC and are connected to the station level integrated monitoring system network through the loop network, and the redundancy scheduling module is used for detecting communication states so as to be switched to the spare PLC; the method comprises the following steps: detecting whether the communication between the station level integrated monitoring system network and the main PLC is interrupted through the redundancy scheduling module, and if so, then switching the spare PLC into the main PLC by the redundancy scheduling module. The invention is favorable for lowering the construction cost of the BAS system and reducing the difficulty in integrating a BAS subsystem by an ISCS, and can ensure the uninterrupted and undisturbed automatic switching operation of controlled equipment and modes when a fault appears in any single node.
Owner:SHANGHAI BAOSIGHT SOFTWARE CO LTD

Prefabricated fabricated bridge pier and assembling construction method thereof

The invention discloses a prefabricated fabricated bridge pier and an assembling construction method thereof. The prefabricated fabricated bridge pier comprises a pier cap segment, a pier body linearsegment and a bearing platform. Grooves which are each formed by two concentric round steel casings are formed in the head and the tail of the pier body linear segment correspondingly; the pier cap segment is a bridge pier straight-curved transition segment, the pier cap is internally provided with the round steel casings, and the round steel casings extend out of the lower end of the pier cap tobe matched with the grooves of the linear segment; a round steel casing is arranged in the center of the top of the bearing platform and extends out of the top surface of the bearing platform to be matched with the grooves of the linear segment; and the steel casings are connected through bolts. According to the prefabricated fabricated bridge pier and the assembling construction method thereof, the flowerpot-shaped bridge pier is subjected to prefabricated assembling, the bridge pier is divided into the pier cap segment and the pier body segment, the assembling direction of the bridge pier isunified, the difficulty of site construction alignment is reduced, the construction time is shortened, pollution of site construction to surrounding environment is reduced, and the influence of construction on surrounding traffic is minimized.
Owner:SOUTHEAST UNIV
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