34results about How to "Avoid manpower and material resources consumption" patented technology

The invention discloses a heterogeneous multi-channel wireless sensor network based underground monitoring system and relates to the field of technical application of underground wireless sensor networks. In the invention, a heterogeneous networking mode of combining wired communication and wireless communication is adopted in the network architecture, and star-style topology is adopted in all subnets; a radio-frequency signal air interface and an asynchronous communication serial interface are used for forming two stages of networks by layers to finish the work of data transmission; the network comprises subnet data acquisition nodes ED-S, subnet data convergence nodes AP-S, backbone network receiving nodes ED-M and backbone network convergence nodes AP-M; the subnet data acquisition nodes ED-S comprise a sensor module, an energy management module and a radio frequency module which are mutually connected; and the subnet data convergence nodes AP-S, the backbone network receiving nodes ED-M and the backbone network convergence nodes AP-M comprise an energy management module and a radio frequency module. The invention improves the stability and prolongs the service life of the network and the reliability of communication, and meanwhile, network grouping is quicker, thus the requirement on the application of various wireless sensors can be met.

The invention aims at providing a network threat situation evaluation method and device. According to the method and the device, to-be-evaluated network detection data in a network system is obtained; the to-be-evaluated network detection data is preprocessed, thereby obtaining target network detection data; and network threat situation evaluation is carried out on the target network detection data, thereby obtaining a threat situation evaluation result of the network system. The consumption of manpower and material resources for artificially collecting and processing the to-be-evaluated network detection data can be avoided; the evaluation efficiency of carrying out the network threat situation evaluation on the target network detection data needing to be evaluated is improved; moreover, the accuracy of the target network detection data is ensured and a current threat situation of the network can be accurately reflected by the obtained threat situation evaluation result; and the network thread situation smart evaluation is carried out on the network system, and moreover, the accuracy of carrying out the network thread situation evaluation on the network system is improved.

The invention discloses a steel structure anti-corrosion coating and a preparation method thereof. The steel structure anti-corrosion coating is prepared from a component A and a component B in a weight ratio of 5:2 through mixing, wherein the component A is prepared from the following components in parts by weight: 25-55 parts of an epoxy resin mixture, 15-20 parts of composite nano powder, 5-10parts of modified graphene oxide, 5-18 parts of a filler, 5-10 parts of a dispersant, 0.4-0.6 part of a wetting agent, 0.8-1.2 parts of a thickening agent and 0.2-0.3 part of an anti-sinking agent. The coating disclosed by the invention adopts an aqueous epoxy resin as a matrix, modified nano composite powder and modified graphene oxide as additives are good in dispersibility in the matrix, and the coating layer of the coating has capabilities of photocathode protection and non-metal protection, has an excellent long-lasting comprehensive anti-corrosion capability and in addition has a capability of self cleaning.

The invention provides a method for preparing vanadyl sulfate. According to the method, a technical process that ion exchange resin is adopted to selectively adsorb vanadium and reduce and desorb vanadium so as to directly prepare vanadyl sulfate is adopted, so that a middle process in which powder high-purity vanadium pentoxide is prepared is canceled. In addition, as the decontamination process is evolved into direct selective pure vanadium extraction, contamination and the labor and material consumption in the decontamination process are avoided, the operation procedure is greatly simplified. Compared with a conventional vanadyl sulfate preparation process, the method has the advantages of short procedure, high vanadium yield, low cost, no waste discharge and the like.

The invention provides a system and a method for measuring the looseness of a transmission belt and is applicable to a measurement transmission system. The system comprises a measurement starting signal sending device which is used for sending a measurement starting signal, a measurement ending signal sending device which is used for sending a measurement ending signal, a transmission length calculating device which is used for calculating an actual transmission length L, and a determination device which is used for comparing the calculated actual transmission length L with a theoretic transmission length P to determine the looseness of the transmission belt. By adoption of the system and the method provided by the invention, an operator can accurately measure the looseness of the transmission belt in real time in the operating period of medical equipment, and can timely inform service staff when the transmission belt is loosened to a certain extent, so accurate basis is provided for the maintenance of a transmission system, the operating performance of the medical equipment is ensured, and unnecessary consumption of labor and material resources is avoided.

The invention discloses a preparation method of Schweetmannite based on ZVI reduction coupling microorganisms, and the method comprises the following steps: (1) mixing a bacterial liquid obtained by strain cultivation with FeSO4.7H20, stirring and dissolving to obtain a mixed liquid; (2) aerating and oxygenating the mixed liquid obtained in the step (1) in a vessel 1 until Fe<2+> is completely oxidized to Fe<3+>, transferring a part of the mixed liquid to another vessel 2, and adding ZVI for mixing and stirring for performing Fe<3+> reduction; (3) after Fe<3+> reduction for a certain period oftime in the step (2), performing solid-liquid separation on the ZVI and a reduced liquid mixture, and transferring the separated liquid mixture back to the vessel 1 for aeration and oxygenation; and(4) performing circulation according to the steps (2) and (3) until total iron TFe in the whole system precipitates completely, collecting by filtration a mineral synthesized in the vessel 1, washingwith water and drying the mineral to obtain the Schweetmannite. The method not only improves the iron utilization rate and the total iron precipitation rate, but also continuously produces the Schweetmannite.

The invention discloses an agricultural heavy metal polluted farmland soil remediation system, which is characterized in that the system comprises a soil quality detection system; the soil quality detection system comprises a fixed monitoring unit and a mobile detection unit; the soil quality detection system is connected with an information management system through wireless data, the information management system comprises an information processing center, and the information processing center comprises an information analysis center and a data storage library connected with the information analysis center and the soil quality detection system; the information management system is connected with a soil remediation system through wireless data, and the soil remediation system comprises vehicle-mounted soil remediation equipment; according to the invention, a real-time soil information map is made through the fixed and mobile detection monitoring terminal and the information processing center, an optimal soil remediation scheme is selected by means of accurate and timely data, and rapid, accurate and efficient remediation treatment on the soil polluted by heavy metals is realized by using a specially designed soil remediation device.

The invention discloses a pass-on device applied among several assembly lines. The pass-on device comprises a working table and a lifting device which can adjust the height of the working table. The pass-on device is characterized in that at least two driving wheels are arranged above the working table. The driving wheels are connected through a conveying belt. A driving device is further arranged on the working table and used for driving one of the driving wheels. The driving device can drive the one of the driving wheels to rotate clockwise and / or rotate anticlockwise. The pass-on device has the advantages that the driving device on the working table drives the one of the driving wheels to rotate, the conveying belt is driven to rotate, a workpiece on one of the assembly lines is delivered above the working table and then movement is stopped. At the moment, the lifting device lifts or lowers the working table to another production line from one production line, the driving device again drives the conveying belt to move, the workpiece is delivered, and therefore, the workpiece is automatically delivered to another production line from one production line. Consumption of manpower and material resources is avoided, production is optimized and production efficiency is improved.

The invention discloses a vehicle re-identification method based on a perception cascade context, and the method comprises the following steps: constructing a feature extraction model of a vehicle image, wherein a basic network uses a pre-trained ResNet-50 classification network; embedding an attention enhancement module based on the perception cascade context into the feature extraction model; inputting a vehicle image data set, and training the constructed feature extraction model; and carrying out a vehicle re-identification task by adopting the trained feature extraction model. According to the invention, the attention enhancement module based on the perception cascade context is embedded in the feature extraction model of the vehicle image, so that richer and more distinctive featureinformation in the vehicle image can be extracted, and the accuracy of a re-identification task is improved; and only one piece of label information of the vehicle ID is used as a supervision signal to carry out model training without depending on any fine-grained label information (such as a license plate, a vehicle model, a color and the like).

The invention provides a three-dimensional laser scanning deformation detection device and method with a heat preservation layer storage tank. The detection device comprises a pull-rivet nut, a hollowbolt, a nut, a square plate and three cross-shaped targets; wherein the pull-rivet nut is riveted with the outer protecting iron sheet layer of the storage tank; the hollow bolt is of a cylindrical hole cavity structure, and a cylindrical hole penetrating from the head of the bolt to the bottom of the screw rod is formed in the center axis of the hollow bolt; inner threads are arranged on a preset area of the surface of the inner hole of the head of the hollow bolt; external threads are arranged on the outer surface of the screw rod of the hollow bolt; the nut is matched with the hollow boltto fasten and connect the square plate; a round small hole is formed in the center of the square plate; the three cross-shaped targets are attached to the outer surface of the square plate; and the cross intersection lines of the three cross-shaped targets are connected to form a triangle.

The invention relates to the technical field of pipe machining, in particular to a synchronous cutting method during pipe discharging. The synchronous cutting method comprises the following steps that S1, a pipe is conveyed into a cutting machine and extends into a cutting device, and the extending speed of the pipe is V1; S2, the length of the pipe needing to be cut off is L1, when the extending length of the pipe reaches L2, wherein L2 is smaller than L1, a control system controls the cutting device to start to move and accelerate, when the cutting device moves by a distance D, the speed V2 of the cutting device is equal to the extending speed V1 of the pipe, wherein L2=L1-D, and D is equal to the moving distance that the control system controls the cutting device (1) to start to move and accelerate to the speed V1; and S3, when V2 is equal to V1, the cutting device and the pipe are controlled to move at the same speed, and the control system controls a cutting head on the cutting device to rotate at the same time so as to cut and obtain a pipe with the length of L1. Discharging and cutting are conducted synchronously, consumption of manpower and material resources in the pipe discharging, transporting and feeding process is avoided, and the production efficiency is improved.

The invention discloses an intelligent selection and optimization method and system for tunnel excavation and support parameters. The method comprises the steps that surrounding rock identification before construction is conducted according to geological data before construction, and primary excavation and supporting parameters are determined based on the surrounding rock identification result; then, based on primary excavation and supporting parameter construction, real-time surrounding rock identification is carried out in combination with geological data collected in the construction process; and the current surrounding rock identification result is compared with the previous surrounding rock identification result, and the excavation and support parameters are optimized according to thecomparison result. According to the method and system, excavation and support parameters of tunnel construction can be optimized, unnecessary manpower and material resource consumption in the tunnelconstruction process is avoided, it is guaranteed that the tunnel construction result more accurately meets the design standard, and the situation that deformation and instability occur after a tunnelis built is avoided.

The invention relates to the technical field of automatic devices, in particular to an electric automatic discharging device. The electric automatic discharging device comprises a discharging barrel,an auxiliary granulation assembly and a screening assembly; the auxiliary granulation assembly comprises a rotating drum, a first motor and a discharging hopper, the rotating drum rotates in the discharging barrel, the top of the rotating drum is provided with the discharging hopper, and the center of the bottom of the rotating drum is fixedly connected with an output shaft of the first motor; thescreening assembly includes a second motor, a driving wheel, a driven wheel and an auxiliary discharging pipe, the second motor is fixed on the outer wall of the discharging barrel, the end of an output shaft of the second motor is further connected with the driving wheel, the driven wheel is further rotationally connected to the interior of the discharging barrel through a stabilizer bar, the driving wheel is located above the driven wheel, and the driving wheel is connected with the driven wheel through a transmission belt; a lower opening is arranged at the position, corresponding to the driven wheel, of the side wall of the discharging barrel, and a receiving device is connected to the lower opening; and the problem that wet spherical particles are deformed in the discharging processcan be solved, and the technical aim that the wet spherical particles are separated from ingredients is achieved.

The invention discloses a connecting device applied between assembly lines. The connecting device applied between the assembly lines comprises a supporting frame. The connecting device applied between the assembly lines is characterized in that a work table is arranged above the supporting frame, the work table and the supporting frame are connected through a lifting mechanism, the lifting mechanism is used for driving the work table to do lifting motion, and the work table is provided with a transporting mechanism moving forward or backward or moving forward and backward in the length direction of the work table. The connecting device applied between the assembly lines has the advantages that the transporting mechanism on the work table stops moving after transporting work-pieces to the position above the work table, then the lifting mechanism lifts or lowers down the work table from one production line to another production line, the transporting mechanism is started for transporting the work-pieces, and therefore automation of transporting the work-pieces from one production line to another production line can be achieved, consumption of manpower and material resources is avoided, and production efficiency is optimized.

The invention provides a multifunctional operation vehicle for self-propelled shield tunnel construction. The operation vehicle comprises a walking mechanism, a gantry type support frame, a top operation platform, a left operation platform, a right operation platform, a lifting device and a hydraulic system, wherein the gantry type support frame comprises a left vertical support, a right verticalsupport and horizontal support, wheel bodies of a main driving wheel and a driven wheel of the walking mechanism are respectively connected with corresponding installation supports through a deflection mechanism and can realize deflection, each walking wheel is provided with a turning oil cylinder; the lifting device comprises an electric hoist, a walking track, an electric hoist walking mechanismand an electric cabinet; and the walking track is installed between the tops of the left and right vertical supports. According to the invention, the operation vehicle can walk on a tunnel segment directly and freely without affecting the horizontal construction and transportation of the shield, the operation platform can realize the full operation surface coverage of a tunnel section, and the operation vehicle can be used as a construction platform, hoisting equipment, a carrying platform and a transportation device, and has multiple purposes.

The invention discloses a quick plugging and dissociation device and method for liquefied natural gas small hole high-pressure leakage. The device comprises a device main body which is composed of a housing, a middle thermal insulation layer and an internal cold-resistant layer, and the device main body is in an inverted funnel shape; one end of the middle heat insulation layer is wrapped with anopen cavity to form a vacuum cavity, the housing is fixed to an outer sucker through an outer sucker clamp and an outer bolt, and the inner cold-resistant layer is fixed to an inner sucker through aninner sucker clamp and an inner bolt; the vacuum cavity is connected with a vacuum air exhaust interface and is externally connected with a vacuum air pump; and one end of the device main body is provided with an external extraction connector connected with an external compressor. Leaked substances can be rapidly plugged under the condition that a fire source exists outside, fire enhancement caused by continuous leakage and explosion caused by pressure increase in the tank body are avoided, the characteristic that the pressure in the device main body is increased due to the leaked substances is fully utilized to enable the inner sucker to provide adsorption force, the better sealing performance is achieved, and the device has the advantages of quick installation and simple operation.

The present invention relates to the technical field of automation devices, in particular to an electric automation feeding device, which includes a feeding cylinder, an auxiliary granulation assembly and a screening assembly; the auxiliary granulation assembly includes a rotating drum, a first motor and a feeding hopper, and The bottom of the drum is fixedly connected with the output shaft of the first motor; the screening assembly includes the second motor, the driving wheel, the driven wheel and the auxiliary material discharge pipe. The second motor is fixed on the outer wall of the lower barrel, the end of the output shaft of the second motor is also connected to the driving wheel, and the driven wheel is connected to the lower barrel through the stabilizer bar, the driving wheel is located above the driven wheel, and the two are driven Belt connection, a lower opening is provided on the side wall of the lower material cylinder corresponding to the driven wheel, and a spreading device is connected to the lower opening; the problem of deformation of wet spherical particles can be avoided during the material feeding process, and the realization of Technical purpose of separating moist spherical particles from excipients.

The invention provides a safety monitoring wireless sensor network in a factory. The network architecture adopts a heterogeneous networking mode integrating wire communication and wireless communication; each subnet adopts star topology mode to finish data transmission; the network comprises data acquisition nodes, network routing nodes and backbone network coordinator nodes, wherein each subnet data acquisition node comprises a sensor module, an energy management module and a radio frequency module which are interconnected; and each of the network routing nodes and the backbone network coordinator nodes comprises an energy management module and a radio frequency module. The safety monitoring wireless sensor network has the advantages of achievement on information share, simplicity in operation and strong expansibility.

The invention provides a three-dimensional laser scanning deformation detection device and method with a heat preservation layer storage tank. The detection device comprises a pull-rivet nut, a hollowbolt, a nut, a square plate and three cross-shaped targets; wherein the pull-rivet nut is riveted with the outer protecting iron sheet layer of the storage tank; the hollow bolt is of a cylindrical hole cavity structure, and a cylindrical hole penetrating from the head of the bolt to the bottom of the screw rod is formed in the center axis of the hollow bolt; inner threads are arranged on a preset area of the surface of the inner hole of the head of the hollow bolt; external threads are arranged on the outer surface of the screw rod of the hollow bolt; the nut is matched with the hollow boltto fasten and connect the square plate; a round small hole is formed in the center of the square plate; the three cross-shaped targets are attached to the outer surface of the square plate; and the cross intersection lines of the three cross-shaped targets are connected to form a triangle.

A single-wedge locking self-propelled pushing device and method of the present invention relate to the technical field of building construction. Aiming at the problem that the reaction seat used in the existing rail push-and-slide method relies on manual repeated locking and unlocking, and the pushing efficiency is low. It includes a single-wedge locking device and a push seat arranged at intervals, and a push cylinder between the two. The single-wedge locking device includes a cylinder reaction frame and a wedge-shaped slider. The wedge-shaped slider is embedded in the cylinder reaction The wedge-shaped groove of the force frame can slide along its length direction. The extension of the push cylinder pushes the wedge-shaped slider to slide until it is closely against the track. The single-wedge locking device automatically locks on the track and acts as a counter force seat. The push cylinder reversely pushes the member to be pushed to move one stroke; the push cylinder shrinks and pulls the wedge-shaped slider to slide in reverse until the track is separated, and the single-wedge locking device is automatically unlocked and moves in the direction of push; repeat this process until Complete the pushing construction of the components.

The invention relates to a connecting construction method for a vertical prestressed tendon and an anchoring steel bar of a prefabricated solid pile, and belongs to the technical field of prefabricated pile construction. The connecting construction method comprises the steps that a connecting sleeve is prepared firstly, then an inverted-truncated-cone-shaped jacket is installed on a prestressed tendon and clamped and fixed in an inverted-truncated-cone-shaped bayonet in the bottom of the connecting sleeve, a compression spring is installed in the connecting sleeve, then a pier head with a connecting thread is arranged at the end of the anchoring steel bar, and finally, the pier head is in threaded connection with the interior of a top sleeve opening of the connecting sleeve. The connecting construction method is high in practicability and easy to operate, the connecting quality of the pile head anchoring steel bars can be effectively guaranteed, the workload of field operators is relieved, cost is saved, and consumption of a large amount of manpower and material resources is avoided.

The invention relates to a water meter chamber and a water meter device thereof. The water meter chamber comprises a rectangular water meter derrick which is composed of multiple longitudinal uprights and multiple cross beams and is provided with an opening at the upper end, reinforced concrete uprights arranged at four corners of the water meter derrick, a reinforced concrete panel arranged at the top of the water meter derrick, a chamber cover formed at the middle part of the reinforced concrete panel, wherein multiple supports are arranged on the cross beams at the inner side of the bottom end of the water meter derrick, supporting plates corresponding to the supports are respectively arranged on the longitudinal uprights at the two sides of the water meter derrick, a steel plate cover completely wraps the outer side of the water meter derrick, and through holes are arranged on the steel plate cover on the supporting plates at the two sides and correspond to supporting positions of the supporting plates. The water meter device used for the water meter chamber comprises a water inlet valve connected with the water inlet side of a water meter by virtue of a connecting pipe and a water outer valve connected with the water outlet side of the water meter by virtue of a connecting pipe, the other end of the water inlet valve is connected with a water inlet pipe, and the other end of the water outlet valve is connected with a water outlet pipe by virtue of an extensible member. The water meter chamber and the water meter device thereof provided by the invention are simple in structure and convenient to mount, and can be produced industrially.

The invention discloses a degradation-image subjective quality material library construction method based on transmission. The method comprises the following steps of S1, defining and constructing material library correlation concept; S2, according to a definition, selecting a raw material; S3, acquiring a degradation material based on transmission; S4, grouping degradation images; S5, evaluating an environment and evaluating condition setting; S6, evaluating subjective quality; S7, carrying out evaluated data processing, which includes evaluated image and volunteer screening; and S8, determining the subjective quality corresponding to each image. The method is suitable for image quality evaluation and restoration under a communication background; a simulation mode is used to acquire the degradation images so that consumption of manpower and material resources during real transmission can be avoided; and simultaneously two kinds of schemes with different robustness are taken as a source compression mode so as to carry out channel transmission error code simulation, and an error code rate is arranged according to data acquired from a real communication experiment. Besides, a maximum probability principle is used to determine a final quality grade of each image so that an influence of an evaluation sample with a large deviation on a result is avoided.

The invention discloses a method for preparing Shi's minerals based on ZVI reduction coupled microorganisms, which comprises the following steps: (1) the bacteria liquid obtained by bacterial strain culture and FeSO 4 ·7H 2 0 mixed, stirred and dissolved to obtain the mixed solution; (2) the mixed solution obtained in step (1) was aerated and oxygenated in container 1 to Fe 2+ fully oxidized to Fe 3+ , transfer part of the mixed solution to another container 2, and add ZVI to mix and stir for Fe 3+ Reduction; (3) Fe in step (2) 3+ After reducing for a certain period of time, the solid-liquid separation ZVI and the reduced mixed solution; the separated mixed solution is transferred back to the container 1 for aeration and oxygenation and oxidation; (4) circulate according to steps (2) and (3), until the whole The total iron TFe in the system is completely precipitated, and the synthesized minerals in container 1 are collected by filtration, washed with water and dried to obtain the Schwartz minerals. This method not only improves the iron utilization rate and the total iron precipitation rate, but also continuously produces Shishi minerals.

The invention provides an Internet of Things system for remote in-situ monitoring of soil environment and corrosion, belonging to the technical field of metal soil corrosion. The system includes environmental parameter monitoring device, soil corrosion monitoring device, corrosion rate monitoring device, remote control device and field power supply device. The remote control device communicates with the environmental parameter monitoring device, soil corrosion monitoring device and corrosion rate monitoring device through GPRS wireless data transmission. The device and the field power supply device realize communication. The system can obtain soil environmental data in different seasons, which is convenient for comprehensive evaluation of its corrosion; the remote and in-situ features avoid the consumption of manpower and material resources required for on-site testing, and improve economic benefits; changes in the resistance of corrosion probes can be reflected in real time The corrosion of metal components at the service site facilitates failure prediction and life assessment, and realizes remote in-situ monitoring of the field soil environment and its corrosion.

The invention discloses an integrated one-stop internet inspection and detection platform and method. The platform employs three platform operation modes for different demands, namely, (1) a first service mode which mainly aims at clear demands, (2) a second service mode which mainly aims at fuzzy requirements, and (3) a third service mode which mainly aims at emerging requirements. Thus, effective service can be provided for inspection and detection in different fields (including some complex special fields), and the requirements of the whole society for inspection and detection service are effectively met.