15results about How to "Reduce laying costs" patented technology

This utility model relates to an underground drip irrigation tape laying device capable of spraying pesticides; it includes a traction support frame connected to a walking device, an upper part of which is connected to a drip irrigation tape placement unit for placing the drip irrigation tape, and a trenching unit for digging trenches in the ground to facilitate the placement of the drip irrigation tape at the rear of the traction support frame; the trenching unit is connected via a connecting plate to a tape-laying and soil-covering unit for placing the drip irrigation tape underground and covering the top of the drip irrigation tape with soil; a pesticide spraying unit is located at the rear of the tape-laying and soil-covering unit; it features the ability to carry out underground drip irrigation tape laying operations after the New Year, and can simultaneously realize trenching, pipe laying, burying, soil covering, and pesticide spraying operations, achieving integrated completion and a high degree of automation; compared with traditional manual laying, it greatly improves the laying efficiency of underground drip irrigation tape.

The application is suitable for the technical field of water conservancy monitoring, and particularly relates to a water conservancy monitoring and early warning method and system based on edge computing. The method comprises the following steps: performing sound wave detection, collecting a response signal, extracting a corresponding defect signal from the response signal, and generating baseline data; transmitting a sound wave detection signal, receiving a sound wave signal, and extracting the arrival time of a reflected signal peak; constructing a time sequence of the arrival time of the reflected signal peak corresponding to the same preset defect, calculating the continuous change trend of a strain value with time and a strain rate; and issuing an early warning signal according to the comparison result of the strain rate and the strain cumulative value with a preset safety threshold. The application can realize deformation monitoring of each position of a dam surface layer by laying a two-dimensional grid sliding extra-sensing network on the dam surface, overcomes the limitation that a single-point sensor can only measure local information, improves the accuracy and precision of deformation monitoring, and has low laying cost and is convenient for later maintenance.

The utility model discloses a laboratory is with ultrapure water and acid -base water system of making water, include: pretreatment module, the input of pretreatment module connects water inlet of tap water, reverse osmosis pure module, reverse osmosis pure module includes high pressure pump, reverse osmosis device and pure water tank, the input of high pressure pump is connected with the output pipeline of pretreatment module, the output of high pressure pump is connected with the input of reverse osmosis device, and the output pipeline of reverse osmosis device is connected with the input of pure water tank, multi -water quality preparation module, multi -water quality preparation module includes and is connected with pure water tank's acid -base water preparation unit, ultrapure water preparation unit and pure water direct -feed unit who sets up in parallel. The utility model discloses a laboratory is with ultrapure water and acid -base water making water device. The water system that the present application provides will prepare the function of four water qualities of pure water, ultrapure water, acid water, alkali water and integrate in one, discard the mode of the dispersed setting of traditional split type equipment, and the overall land area of equipment is greatly reduced, especially adapts the laboratory scene of space nervous.

The utility model relates to the technical field of sprinkling machines, in particular to a rotary sprinkling machine for water conservancy irrigation, which comprises a bottom plate, the upper end of the bottom plate is fixedly connected with a base pipe, a pipe body of the base pipe is communicated with a connecting pipe, the upper end of the base pipe is rotatably connected with a rotary pipeline in a limited manner, and a pipe body of the rotary pipeline is fixedly sleeved with driven teeth. Through transmission of the driving motor and the gear, the rotary pipeline drives the nozzles to rotate at a constant speed of 360 degrees, a single device can cover a large area of farmland, the number of the nozzles and the pipeline laying cost are reduced, and the equipment installation difficulty is lowered; the water quantity adjusting plate is driven through the rotating motor and the bevel gear set, stepless adjustment of 0%-100% of the water spraying quantity is achieved, real-time adjustment can be achieved according to the crop growth period, the weather condition and the like, and the conditions of water resource waste, soil degradation and uneven crop growth caused by excessive irrigation are avoided.

The application provides an improved tabu search topology optimization method of a marine wind farm power collection system, which is based on the positions of wind turbines to intelligently preliminarily group and sort, to form an initial connection scheme, to connect all the wind turbines in each group with the minimum cost, to calculate the group cable cost, to check whether the lines cross, to impose a penalty in the total cost if the lines cross, to ensure that the scheme is feasible, to compare the current scheme with the historical best, to update the record and intelligently exchange the wind turbine groups to explore a new scheme, to repeat the optimization process until the number of iterations is satisfied, and to finally output a globally optimal topology scheme. The application has the advantages of better optimization effect, significantly improved economy, higher calculation efficiency, stronger engineering practicability, better algorithm robustness, better scheme reliability, high design automation degree and strong auxiliary decision-making capacity.

The embodiment of the present specification provides a kind of information sending method, device and equipment based on NFC.Scheme includes: the first device with NFC function continuously detects the preset type of non-NFC wireless signal supported by mobile communication terminal with NFC function;If the preset type of wireless signal is detected, the first device is switched from card reader mode to card simulation mode;Afterwards, receive the NFC type of card request signal transmitted by the second device transmitting the preset type of wireless signal;And send tag information to the second device in response to the card request signal, the tag information is used to arouse the application program on the second device.

The utility model discloses a laboratory central gas supply device and an analysis test instrument, and the laboratory central gas supply device comprises a gas supply mechanism, a gas distribution mechanism used for carrying out gas path distribution according to the gas purpose required by a gas using end, and a pressure stabilizing mechanism connected between the gas supply mechanism and the gas distribution mechanism and used for controlling the gas pressure, corresponding connecting ports in the gas supply mechanism, the pressure stabilizing mechanism, the gas distribution mechanism and the gas purification mechanism are communicated through gas conveying pipes; the gas purifying mechanism comprises a centrifugal assembly used for conducting primary purification on gas output by the gas supply mechanism and a gas purifying assembly used for conducting secondary purification on gas distributed by the gas distribution mechanism, the centrifugal assembly is arranged at the gas inlet end of the pressure stabilizing mechanism, and the gas purifying assembly is arranged at the gas outlet end of the pressure stabilizing mechanism. According to the device, gas can be continuously and stably supplied to a plurality of gas using ends at the same time, gas purposes can be accurately distributed and purified according to the requirements of the gas using ends, and it is guaranteed that the gas pressure and purity of the gas at the gas using ends meet the requirements.

This application discloses a base system for a rail-mounted vehicle charging device, belonging to the field of vehicle charging equipment. It includes an RGV rail, an RGV body, a charging host, and a distribution box. The charging host is mounted on the RGV body; a first connector is provided on the charging host, and a second power distribution head is provided on the distribution box; a charging gun is mounted on the distribution box; the RGV rail includes multiple horizontal rails and multiple vertical rails, forming the movement trajectory of the RGV body; the RGV rail also includes an external rail connected to the horizontal or vertical rails, and the distribution box is mounted on the external rail. The beneficial effect of this application is that by reducing the number of charging hosts to fewer than the number of distribution boxes, and utilizing the RGV body to move the charging hosts to the location requiring charging, the sharing of charging hosts is achieved. It eliminates the need to configure expensive charging hosts at each charging point; configuration can be based on peak demand, avoiding equipment idleness and significantly reducing the overall system cost.

The invention discloses a train positioning method and device, a storage medium, a terminal and a computer program product. The method comprises the steps of determining a driving environment where a train is located; determining train positioning data of multiple target types collected in the driving environment at least based on the driving environment where the train is located; the weights of the train positioning data of the multiple target types are determined; and performing weighting operation on the train positioning data of the multiple target types by adopting the respective weights of the train positioning data of the multiple target types to obtain an actual positioning result of the train in the driving environment. According to the scheme, the accuracy and reliability of train positioning can be improved.

The invention relates to the technical field of hoisting and conveying equipment, in particular to an assembly type pipeline connection hoisting and conveying device which comprises a fixing frame, a hoisting body and a rail device, triangular frames are fixedly connected to the front side and the rear side of the fixing frame, self-locking rotating wheel sets are installed at the bottoms of the triangular frames, and the rail device is arranged at the bottoms of the self-locking rotating wheel sets. The lifting device comprises a lifting main body, a triangular support, a self-locking rotating wheel set, a track device, an S-shaped hook and a chain block, a supporting frame is arranged above the fixing frame, fixing blocks are fixedly connected to the front end and the rear end of the supporting frame correspondingly, and inserting blocks are fixedly connected to the bottoms of the fixing blocks and arranged in the fixing frame. The lifting device has the advantages that by arranging the fixing frame, the triangular support, the self-locking rotating wheel set, the supporting frame, the fixing blocks, the lifting main body, the inserting blocks, the track device, the S-shaped hook and the chain block; the inserting blocks can be inserted into the fixing frame, the supporting frame and the lifting main body can be conveniently assembled, the lifting main body drives the pipeline to move, assembling of the pipeline is convenient, meanwhile, the self-locking rotating wheel sets roll in the track device, and the pipeline is more stable to move.

The utility model discloses a kind of electric drive flexible sucking disc, including cover, adapter plate, vacuum adsorption component, vacuum generating unit and electric drive adjusting unit, adapter plate is fixedly connected with cover, the drive several vacuum generating units synchronous rotation of electric drive adjusting unit is unfolded or retracted, vacuum adsorption component is connected to vacuum generating unit by pipeline. The same electric drive flexible sucking disc can suck workpieces of different sizes, reducing the need for different size suction tools, and having the advantage of strong versatility. The time for switching suction tools is avoided, indirectly improving the production capacity of the production enterprise site. The number of spare parts for the suction tool can also be reduced, reducing the maintenance cost of the user. The main body has a vacuum generating unit, reducing the cost of air piping, reducing labor costs, and being more aesthetically pleasing.

This utility model belongs to the field of plastic laying technology, specifically relating to a novel plastic laying device, including a vehicle frame. A handrail is fixedly installed on one side of the top of the vehicle frame, and a material discharge channel is provided on one side of the top of the vehicle frame. A material cylinder communicating with the interior of the material discharge channel is provided at the top of the material discharge channel. A power component is provided at a position on the top of the vehicle frame corresponding to the material cylinder. A passive toothed ring is rotatably installed on the outer wall of the material cylinder corresponding to the power component. Connecting components are provided on both sides of the top of the passive toothed ring. A first cleaning scraper is fixedly installed at the top of the connecting components extending into the interior of the material cylinder. This utility model uses the first cleaning scraper to scrape off the plastic material adhering to the inner wall of the material cylinder during rotation, allowing it to fall back into the material cylinder and participate in the laying process. This avoids the plastic material adhering to the inner wall of the material cylinder remaining in an adhered state and unable to participate in the laying process, thus preventing material waste during laying.

The utility model discloses a kind of double-outlet bifurcated labyrinth flow passage irrigator, including the water inlet pipe being connected with drip irrigation pipe, the water inlet pipe is connected with the water inlet of irrigator body, the water inlet output end both sides are respectively connected with a bifurcated labyrinth flow passage input end, the bifurcated labyrinth flow passage output end is connected with water outlet pipe through water outlet;The flow passage of the utility model's irrigator is bifurcated labyrinth flow passage, hydraulic performance is excellent, with pressure compensation performance, flow passage is divided into main flow passage and bifurcated flow passage, anti-blocking performance is better, and irrigator is provided with left and right two water outlets, can simultaneously irrigate two rows of crops;Secondly, irrigator structure is simple, convenient to prepare, low in cost, it is convenient for large-scale production, more suitable for large area, long distance drip irrigation operation.

This utility model discloses a roadbed box for temporary road paving, including a bottom plate, a top plate, and side plates. A number of parallel long plates are welded within the rectangular space enclosed by the bottom plate, top plate, and side plates. Short plates are arranged opposite each other on both sides of each long plate. At least one set of opposite side plates is equipped with a side plate connecting device. The box formed by welding the bottom plate, top plate, and side plates constitutes the roadbed box. Temporary roads can be formed by sequentially connecting and laying the roadbed boxes. The long and short plates provide internal support, enabling the roadbed box to withstand the pressure generated by engineering vehicles and passing vehicles. The side plate connecting device allows for the connection and fixation of adjacent roadbed boxes, preventing gaps during use and ensuring greater safety and reliability. The side plate connecting device also contributes to the miniaturization of the roadbed box, allowing for lifting and installation using a small-tonnage crane, thus reducing paving costs.