88results about How to "Improve construction level" patented technology

The invention discloses a real-time monitoring method for growth characters of tea trees in intensive cultivation. The method comprises the following steps: performing real-time data acquisition by a tea tree living body growth character data acquisition device based on online location, transmitting the acquired data to an artificial comprehensive management center through a wireless communication way to process, wherein the acquired data comprises current location data acquired by a locating mechanism, fresh tea leaves spectrum data acquired by a high spectrum imaging sensor, and average growth height of fresh tea leaves measured by an ultrasonic wave sensor, and judging the best fresh tea leaf picking time based on that the data and a picking judgment model established off line are combined by the artificial comprehensive management center. The picking judgment model comprises a bud size growth measurement model based on average growth height, a yield correlation model and a quality correlation model based on the high spectrum image data. The real-time monitoring method for the growth characters of the tea trees in intensive cultivation is beneficial to realizing of intensive cultivation and automation in planting of the tea trees.

The invention discloses a BIM based laboratory engineering interactive design method and system. The BIM based laboratory engineering interactive design method comprises the specific steps of building engineering data models such as laboratory buildings and equipment by using BIM, and carrying out interactive design of the laboratory engineering by combining with a VR technology. The BIM based laboratory engineering interactive system is built at a cloud server; and through the interactive system, the scene of the laboratory engineering is subjected to three-dimensional visual display, and the work condition of the laboratory is subjected to simulated calculation and is output dynamically in a visual manner. Through the BIM based laboratory engineering interactive design method and system, planning and construction level of engineering such as biological, physical and chemical laboratories and clean workshops can be improved, and the engineering construction cost can be reduced.

The invention discloses a vehicle service system comprising a cloud server, a vehicle owner service client, a parking lot station service client, a vehicle-borne positioning unit, a vehicle incoming and outgoing detection unit, a parking card, a parking spot information bulletin board, and an indoor parking spot guidance unit. The cloud server is connected with a user, a parking lot station, the vehicle-borne positioning unit and the indoor parking spot guidance unit in a two-way mode, and connected with the vehicle-borne positioning unit in a one-way mode. The system can provide real-time idle parking spot query, parking spot reservation, vehicle guidance and other services for vehicle owners. The additionally-arranged indoor parking spot guidance unit of the system can provide accurate indoor guidance service for vehicles under the condition that the GPS and other satellite positioning signals are poor or the network communication signals are unstable, so as to provide more user-friendly intelligent vehicle services for vehicle owners, improve the travel efficiency of vehicle owners, and reduce energy consumption.

The invention discloses a device for data acquisition of fertility characteristics of a tea tree living body based on online positioning. Four vertical supporting rods (2) are arranged on four corners of a rectangle covering the tea tree plantation zone; a colored mark (3) is arranged at the top end of each supporting rod; a guide rail (1) is arranged on each of the two long sides of the rectangle; four pulleys and a motor (20) used for driving the supporting rods are arranged at the bottom of a frame (5); an omnibearing visual sensor (9) is fixed onto a tripod (12) arranged at the top end of the frame; a computer (7), a storage battery (8), an ultrasonic sensor (16) and a wireless transmitter (14) are further arranged on the frame; a hyperspectrum sensor is also arranged at the top of the frame; the device for data acquisition of fertility characteristics of the tea tree living body based on online positioning has the characteristic of high automation degree, so as to provide infrastructure for fine plantation of tee trees.

The invention discloses a seamless construction method of a multi-layer super large-area reinforced concrete ground. According to the method, no expansion joint or late poured band is arranged in the ground concrete construction; the ground is divided into a plurality of pieces by using construction joints according to a certain size; the adjacent pieces are poured at intervals; and the ground is connected and poured to an integer after the first-poured concrete is subjected to large shrinkage deformation. The seamless construction method of the multi-layer super large-area reinforced concrete ground, disclosed by the invention, has the advantages of greatly shortening the ground construction period, remarkably enhancing the structural integrity of the ground and improving the using performance of the ground.

The invention relates to a tunnel composite lining design method comprising secondary lining under the action of multiple loads. The secondary lining not only bears the surrounding rock pressure, butalso bears the water pressure, structure additional constant loads and other loads; and through the safety coefficient distribution, the safety coefficients of the anchor rod-surrounding rock bearingarch, the sprayed concrete layer and the secondary lining are obtained, and the corresponding initial design parameters are obtained through respective calculation models and surrounding rock pressure. The parameters of the secondary lining are planned again, so that the safety coefficient of the secondary lining under load combination of surrounding rock pressure, water pressure, structure additional constant load and the like is not lower than that of the distributed secondary lining. By checking whether the secondary lining parameters can meet the requirements of the standard for the safety coefficient of the single structure or not according to the secondary lining construction opportunity, and obtaining the secondary lining parameters meeting the requirements, and comparing with theinitial design parameters of the secondary lining, and checking and adjusting the safety coefficient distribution values of the anchor rod surrounding rock bearing arch and the spraying layer, the parameters of the anchor rod and the spraying layer are determined, and the quantitative design of the composite lining is realized.

The invention discloses a split mounting type prefabricated reinforced concrete construction temporary road, which comprises a box type member, wherein a reinforced concrete box type member is arranged in the box type member; reinforcement of the reinforced concrete box type member is welded and fixed to the box type member; four angular points of the reinforced concrete box type member are provided with omega-shaped lifting rings respectively; and water discharge holes are also formed at the omega-shaped lifting rings. The split mounting type prefabricated reinforced concrete construction temporary road has the beneficial effects that: through development of the split mounting type prefabricated reinforced concrete construction temporary road, a reinforcement welding net, angle steel and concrete are formed into a whole, so that the performances of the steel and the concrete are fully utilized, particularly, the periphery of the construction temporary road is protected by using the angle steel, and the unavailability due to corner stripping caused by collision or other reasons during use of the construction temporary road is avoided; and a temporary road module is manufactured by using a shaped steel mould, and meanwhile, a special formwork and a strengthening system are matched, so that the construction quality of the corner part and the entire temporary road is effectively guaranteed.

The invention relates to an anti-collision guardrail construction trolley, a construction method and an engineering supervision platform. The trolley comprises a supporting part, a balance weight partand a standing table. An automatic walking system is arranged on the lower side of the supporting part, a hydraulic adjusting and formwork folding and unfolding system is further connected with the supporting part, the hydraulic adjusting and formwork folding and unfolding system comprises at least one hydraulic adjusting subsystem, each hydraulic adjusting subsystem comprises a hydraulic oil cylinder part and a formwork part, and the hydraulic oil cylinder parts are connected with the formwork parts. The construction method comprises the steps of first-stage trial operation model building and second-stage conventional operation. The engineering supervision platform comprises a plurality of crash barrier construction trolleys, a plurality of construction site control centers, an engineering research and development center and a safety supervision center. According to the anti-collision guardrail construction trolley, the cost is reduced, and the material distribution efficiency is greatly improved; the control system is arranged to control the whole construction of the trolley, the intelligent degree is greatly improved, and the construction efficiency is remarkably improved.

An oil for building rod is prepared from medium-temp asphalt and anthracene oil. Its advantages are high stability, quality and content of asphalt, and proper softening point of distilled residue.

The invention discloses a long-life variable residence, which includes a large space structure, wherein, the large space structure fully adopts variable space inside thereof; and the variable space is designed and constructed by a user. The invention also discloses a construction method for the long-life variable residence, which comprises the following steps: 1) the construction of the large space structure is conducted by a construction unit; and 2) design and construction for the variable space by the user include the design of house types and concrete layout; each pipeline is arranged comprehensively and connected with standpipes among public equipments; a movable overhead floor is installed; the functional separation is achieved through inner movable partition boards according to the design house types; an integral kitchen and an integral washroom are installed, so as to achieve the connection among the integral kitchen, the integral washroom and each pipeline indoors. The large space structure in the invention fully adopts variable space inside thereof, the movable overhead floor layer has the detachable performance, and the pipeline capable of being freely mounted is arranged between the movable overhead floor layer and a lower floorboard, thereby breaking through limitation of difficult reconstruction for the house types of traditional residence.

The invention discloses a sealed wet spraying machine. The sealed wet spraying machine comprises a cylinder body, a material bin hopper, spraying material bins and a driving mechanism, wherein each spraying material bin is provided with a gas inlet and a spraying material outlet; a piston rod extending into the cylinder body is connected to the driving mechanism; material pushing assemblies and anintermediate sleeve are installed on the piston rod; aggregates entering the cylinder body through the material bin hopper can enter one side of the cylinder body at intervals through the intermediate sleeve; and the piston rod can move linearly in the cylinder body under the drive of the driving mechanism, so that the aggregates enter one of the spraying material bins through the material pushing assemblies. The sealed wet spraying machine has the advantages that compressed air in the spraying material bins is kept sealed with a concrete hopper, simultaneous feeding and spraying operations are realized, the working efficiency and the uniformity of concrete mixing are greatly improved, the structure design is skillful the occupied space is small, the maintenance and operation are convenient, the construction level and quality of support are greatly improved, the safety production level is greatly improved, and the construction site environment is greatly improved.

The invention provides a mobile railway station, a matching track network and a combined system of the two, belonging to the field of rail transit and urban rail transit. The combined system deeply integrates railway rail transit and urban rail transit, and changes the fixed train station into a mobile train station, which not only enables the train to get on and off passengers, greatly improves the operating efficiency of the train, and saves about 400 billion trains Occupying fixed assets has also greatly increased the coverage and frequency of train stops, and shortened the waiting time for passengers. At the same time, through the deep integration of mobile railway stations and urban rail transit, it has effectively evacuated the passenger flow of railway passengers and resolved the impact of railway passenger flow on urban traffic. The congestion caused by it greatly satisfies the passenger's demand for nearby rides, improves the quality of railway services, increases the market share of railway transportation, and reduces the harm caused by road transportation to the environment, which has significant social and economic benefits .

The embodiment of the invention provides an application method of BIM- and VR-based technology in construction sample board experience. The method mainly comprises the following procedures that a building sample board area is selected, a three-dimensional model is built, a VR experience area is built, and virtual reality is conducted. Compared with a traditional technology, the application methodof BIM- and VR-based technology in construction sample board experience can enable front-line workers to quickly understand building information, grasp the process of construction conveniently, greatly improve the construction level of a project, reduce the construction cost caused by reworking of the project, also ensure the construction quality, and improve the communication effect.

The invention discloses a voltage level uncertainty influence elastic network regression analysis method of a power distribution network. The method comprises the following steps of estimating a voltage expectation value of a node by a point estimation method; building a training sample required by an elastic network algorithm according to the expectation value; determining a leading influence source with the most influence on each node voltage and influence quantity of the leading influence source in each uncertainty source by elastic network regression analysis on the node voltage; building a node-uncertainty influence source correlation matrix according to uncertainty source probability distribution characteristic and a node voltage regression equation; introducing singular value decomposition to obtain an action mode of the uncertainty source on each node voltage and a corresponding node classification result. With the elastic network regression analysis method proposed by the invention, the uncertainty influence and the action mode of the uncertainty source such as a distributed power supply and a fluctuation load in the power distribution network on each node voltage can be quantitatively analyzed.

The invention discloses a water-power engineering earthwork filling-digging feature monitoring method based on a laser scanner. The water-power engineering earthwork filling-digging feature monitoring method is used for monitoring working face three-dimensional features and providing construction information feedback in the filling-digging construction operation process; and the water-power engineering earthwork filling-digging feature monitoring method comprises the following steps that (1) the three-dimensional laser scanner is used in the construction process for conducting three-dimensional laser scanning on filling-digging working faces, and three-dimensional point cloud data of the filling-digging working faces are obtained; (2) the point cloud data are used for achieving three-dimensional modeling and actual scenery copying on the filling-digging working faces based on a reverse modeling technology; (3) three-dimensional analysis is carried out on three-dimensional model information of the filling-digging working faces to obtain filling-digging feature information; (4) filling-digging feedback information obtained through analysis is further fed back on the basis of the filling-digging feature information; and (5) the filling-digging feedback information is sent to a construction site, and feedback control over the filling-digging construction operation is carried out. By means of the method, the technical problems in site construction operation like accurate three-dimensional modeling, filling feature information three-dimensional analysis of water-power engineering filling-digging operation are solved.

The invention belongs to the technical field of electric power, and particularly relates to a bolt connection point stress optimization analysis method. The method comprises node stress optimization analysis in consideration of bolt pre-tightening force and node stress optimization analysis in consideration of ultimate bearing capacity. According to the method, the mechanical properties of 500kV power transmission line iron tower steel and weld joints under the low-temperature condition are studied, the change rule of the mechanical properties of bolt connection nodes with the temperature under the low-temperature condition is analyzed, and the influence rule of the machining process on the mechanical properties of the power transmission tower materials is analyzed; establishing a fine finite element model of the tower material component containing the bolt, researching the stress distribution condition on the tower material component, analyzing factors influencing the stress concentration, researching a method for improving the stress distribution of the component, and optimizing the stress at the joint of the tower material and the bolt. The design and construction level of powertransmission line engineering can be greatly improved, and safe operation of power transmission lines in high and cold areas is ensured.