251results about How to "Improve site utilization" patented technology

The invention relates to a method for grading and utilizing waste material of sandstone system production, including the following steps: 1) sieving and washing are carried out; 2) slurry obtained by sieving is subject to separation of fine sand powder and slurry by virtue of a hydrocyclone grading device; 3) the fine sand powder is subject to high frequency sieving and dewatering, and the slurry is placed into a setting device, so as to further separate water and concentrated slurry; 4) water is returned to the washing step, and the concentrated slurry is subject to filter pressing or filtering and then is delivered to a waste material stock yard. In the method for grading and utilizing waste material of sandstone system production provided by the invention, a hydrocyclone grading device is added in slurry sand grading production process to separate fine sand powder and slurry, and a high frequency sieving dewater procedure is adopted, recycling of fine sand powder from slurry is realized, by adopting the method of the invention, more than 90% of useful material can be recycled from slurry, and more than 70% of recycling can be realized after waste water is purified.

The invention provides a roadside area-variable parking space management system with an advertising function and an operation method thereof. The system comprises a parking area, an on-site sensing execution end, a network communication layer and a background management center; the on-site sensing execution end comprises an MCU, a power source module, an earth induction coil, an earth induction device, a smart camera, a laser ranging module, a laser scanning module, a voice speaker, an LED display screen, an LED beam lamp strip, a fee charging module, a signal transmit-receive antenna and an advertising module; the network communication layer communicates based on an NB-IoT network; and the background management center is provided with an Internet of Things service system. According to theroadside area-variable parking space management system with the advertising function and the operation method thereof of the invention, a parking area is automatically planned according to the size of a vehicle, and the number of parked vehicles can be increased; fee charging is based on two modes, namely, reservation locking and model size, so that the fee charging is fair and reasonable; an advertising projection lamp is used to project an advertisement to the body of a vehicle or the ground, so that urban roadside parking spaces can be managed automatically in a standardized manner, and the system meets the management requirements of smart cities in the new era.

The invention discloses a wallboard full distance full automatic quick production line comprises a bottom die, a production area and a transport production line provided with a double-row longitudinal track, and a storage and solidification area and a demoulding area provided with a double-row transversal track. The production area, the storage and solidification area, the transport production line and the demoulding area are connected end to end in sequence so as to a form a sealing rectangular line body. The bottom die can move on the longitudinal track and the transversal track. In the invention, the end-to-end connected storage and solidification area, the transport production line and the demoulding area are added behind the production area, so that an automatic full distance cycling production line is formed; the bottom die moves stably on a guide rail in the process of production, solidification and demoulding, and does not go off the guide rails in turning, thereby effectively ensuring the flatness of the bottom die and the quality of a wallboard product; and the whole production process is mechanically and automatically controlled, thereby greatly improves the production efficiency. The production line is suitable for producing heavy products which need to be shaped by a die and need to be cured in the die for a period after being shaped before being demouled.

The invention belongs to the domestic fungus cultivation technical field, solves the low yield and poor quality problems of the pleurotusostreatus and pleurotus eryngii, and provides a high yield pleurotusostreatus and pleurotus eryngii cultivation method comprising the following steps: test tube mother seed culture; stock culture; cultispecies culture; bagging cultivation and fruiting management. Corn extract product, potassium dihydrogen phosphate, composite vitamin, pleurotusostreatus flour, potassium sulfate and broomcorn millet powder are added in the mother seed stock culture matrix so as to effectively increase vitamin content, thus stabilizing anaphase output; composite fertilizer is added in the fruiting culture matrix so as to supplement mineral element phosphor and potassium; a domestic fungus yield increase element allows the culture material nutrition to be more balanced, thus effectively preventing micropore caused competitor infection. The pleurotusostreatus and pleurotus eryngii cultured by the method can have the fruiting time 15 days in advance, the success rate can be improved by 5-10% (reaching above 99%) when compared with a conventional mode, and the pleurotusostreatus and pleurotus eryngii can be harvested for 6-8 times, thus effectively improving pleurotusostreatus and pleurotus eryngii yield; the pleurotusostreatus and pleurotus eryngii are thick in meat, beautiful in appearance, and high in quality.

The invention discloses an electrical rotary opening-closing hanger for an amplitude-change vehicle mould. The electrical rotary opening-closing hanger comprises pulley blocks 1, an upper beam 2, a lower beam 8, a rotary mechanism, a luffer, an opening-closing mechanism, an indicator lamp and an electrical control system 17, wherein four groups of pulley blocks 1 are arranged at four corners on the upper beam; and the indicator lamp and the electrical control system 17 are arranged on the hanger. The electrical rotary opening-closing hanger adopts full-automatic control operation instead of manually hooking, so that the safety of operating personnel is guaranteed, and production efficiency is remarkably improved. The electrical rotary opening-closing hanger can be adopted for lifting the highest stack of five layers, so that the field utilization rate is improved, and the field construction cost is greatly reduced.

The invention discloses a multilayer receding-free stereo garage and a car storing and taking method thereof. The stereo garage comprises a garage body and a car taking machine, wherein the garage body is composed of steel structural members, and the car taking machine is capable of conducting monolithic movement, rotating alignment and up-down lifting operation, the garage body comprises at least two parking layers, each parking layer comprises at least two parking places, and a parking table capable of moving into and moving out of the corresponding parking place is arranged on each parking place of the second parking layer or above; the car taking machine is located on the front end of the garage body and conducts monolithic movement in the direction perpendicular to the direction in which a car enters the garage body and exits the garage body, the car taking machine is provided with an alignment table used for carrying the parking table and lifting vertically on the car taking machine to arrive at an alignment platform of a parking layer where the car is to be stored or taken out, the car taking machine rotates to enable the alignment platform to be aligned with a parking place where the car is to be stored or taken out, and the parking table separates form or enters into the alignment platform when moving into or moving out of the corresponding parking place through a drawing mechanism to. According to the multilayer receding-free stereo garage and the car storing and taking method thereof, dispatch spaces no longer need to be reserved, and therefore the use ration of the garage area is greatly improved; the car taking device alone does not occupy fields, and the adaptability is high.

The invention provides an automated yarn feeding system for a twister. The automated yarn feeding system comprises a yarn feeding track arranged on the twister. The yarn feeding track is arranged in the length direction of the twister and provided with a yarn feeding mechanical arm, wherein the yarn feeding mechanical arm walks along the yarn feeding track. A supply area is arranged at one side ofthe yarn feeding track and used for temporarily storing grey yarn. The yarn feeding mechanical arm is used for conveying the grey yarn to feeding yarn stands at all spindle stations. The yarn feedingtrack is located in the middle of the top of the twister. The supply area is provided with a structure used for temporarily storing the multiple sets of grey yarn. The supply area is located at the position, at one side of the end of the yarn feeding track, of the top of a control cabinet. The supply area structure is adopted to cooperate with the yarn feeding mechanical arm located on the twister and the rotatable feeding yarn stands, and segmented intelligentized yarn feeding can be achieved; and the yarn fed by a yarn supply vehicle only needs to be conveyed to a buffer area, the grey yarnis conveyed to all the feeding yarn stands through the yarn feeding mechanical arm, and therefore, the automatic yarn feeding efficiency can be improved.

The invention provides an intelligently controlled wireless interconnection charging pile and a charging control method employing a mobile phone APP. A control cabinet is connected with multiple groups of power modules; the control cabinet receives connection information between one charging unit and a charged vehicle and charging configuration information, simultaneously requests power metering units and a power distribution unit to select and transfer one part of power modules in the multiple groups of power modules to form appropriate power according to the received charging configuration information and charges the charged vehicle; the multiple power metering units are connected with multiple charging units to meter the power and feed back the power to the control cabinet in a wired orwireless manner for real-time storage and recording; when the vehicle of a member customer and the vehicle of a non-member customer are charged at the same time, the control cabinet adjusts the powermetering units and the power distribution unit to preferentially charge the vehicle of the member customer; and the control process can be controlled by using the mobile phone APP, so that the intelligent charging pile which is low in installation cost and can be monitored through a mobile phone is formed to charge different vehicles.

The invention provides a multifunctional working platform, which relates to the technical field of production equipment and solves the technical problems of increasing the field utilization rate and the working efficiency. The multifunctional working platform comprises a table frame and a platform board, wherein a top part support, a linear sliding rail, an electrical material board, a watching board and a hanging board are arranged above the platform board; the rear part of the platform board is fixedly provided with a left vertical upright and a right vertical upright, the top part support is fixedly arranged at the upper end of the two uprights, and the top part support is fixedly provided with a lamp; the sliding rail is fixedly arranged on the top part support and is parallel to the board surface of the platform board, the sliding rail is provided with a pulley which slides along the rail direction of the sliding rail, and the pulley is provided with a hook; the electrical material board, the watching board and the hanging board are all fixedly arranged on the two uprights, and the electrical material board is fixedly provided with multiple electrical sockets; and the hanging board is provided with multiple hanging holes and multiple shutter-shaped hanging grooves, and the multiple shutter-shaped hanging grooves are provided with multiple tool boxes in a hanging way. The multifunctional working platform provided by the invention has the advantages of increasing the field utilization rate and the working efficiency.

The invention relates to a realization method of a stereoscopic spherical-screen projection system. The method comprises the following steps: 1) arranging a plurality of projection channels at the edge of a spherical screen body, wherein each projection channel is provided with two projectors; 2) generating a mesh model with a computer based on spherical screen curved surface, carrying out fan-shaped segmentation on the mesh model according to the number and position of the projection channels, and selecting an effective fan-shaped area for each projection channel; 3) carrying out curved surface correction and edge fusion on each fan-shaped area; 4) adjusting the positions of the projectors and combining computer fusion fine tuning, and realizing left and right eye splicing of the projection channels to enable the projection picture of each projection channel to cover the spherical screen curved surface completely; and 5) carrying out synchronous output and synchronous projection on multichannel pictures. The realization method of the stereoscopic spherical-screen projection system is small in projection picture and small in picture pixel loss, and ensures definition and brightness of the pictures; and meanwhile, by enabling the adjacent cutting regions to form a regular fusion band, workload of the later-period correction work is greatly reduced.

This invention discloses a novel method for collecting Ganderoma lucium spore powder. The method is cost saving and environmentally friendly, and can improve the productivity and quality of Ganderoma lucium spore powder. The method comprises: (1) constructing a sealed space by using thin film material, observation device and aerator to tightly surround the culture frame, and horizontally setting a single-layered or multi-layered bed board; (2) placing one layer or multiple layers of Ganderoma lucium bags on the bed board in the sealed space when the edge of Ganderoma lucium pileus turns yellow brown from yellow white; (3) observing the ejection condition of Ganderoma lucium spores, aeration condition, temperature and humidity in the sealed space through the observation device; (4) adjusting the aeration condition, temperature and humidity in the sealed space accordingly; (5) collecting the Ganderoma lucium spore powder on the bed board in the sealed space when the spores are not ejected any more.

The invention discloses a split logistics management method and system for parts and a storage medium. The method comprises the following steps of: importing material data used for ship block manufacturing, splitting materials to split trays according to a splitting rule in an improved manner and correspondingly forming a tray list, wherein the splitting rule is defined according to different application objects of different material types; and issuing the tray list to a production scene to serve as at least one construction base. According to the method and system and the storage medium, production is managed as required, original whole opening and whole delivery of blocks are converted into split production and delivery, the management process is clear in rule, base, process and state, the anterior logistical process is unobstructed to a great extent, the material overstock is decreased, the place utilization rate is improved, the starved feeding is decreased and the production efficiency is improved.

The invention discloses a two-tower multi-layer avoidance-free stereo garage and a car storing and taking method. The garage comprises a car taking device and two garage bodies, wherein the car taking device is used for overall horizontal moving, rotation alignment, ascending and descending, and the garage bodies are oppositely arranged in a spaced mode. Each garage body at least two parking layers, each parking layer comprises at least two parking places, and each parking place above two parking layers is provided with a parking table moving into or out of the parking place when cars are stored and taken. The car taking device is located between the two garage bodies and horizontally moves as a whole in the direction perpendicular to the direction in which the cars enter and get out of the garage. The car taking device is provide with an alignment rotary plate which is used for carrying a parking table and can ascend and descend on the car taking device to reach the parking layer about to get into and out of the garage. The alignment rotary plate rotates by itself so that the alignment rotary plate can be aligned to the parking places about to enter and get out of the garage, and the parking tables are separated from or enter the alignment rotary plate when moving in or moving out of the parking places through a traction mechanism. By means of the alignment rotary plate, rotation and alignment of the parking tables are achieved, and operation is more convenient.

The invention relates to a water floating system which comprises a floating array; the floating array comprises a plurality of floating units; every two adjacent floating units are connected through at least two connecting devices arranged at intervals, and the connecting devices are connected to the side edges of a rigid platform; the floating array is anchored on the bank side or the water bottom only through an anchoring device located on one side of the floating array or an anchoring device located in the center of the floating array; the connecting devices allow the two adjacent floatingunits to generate relative displacement in the horizontal direction and the vertical direction and not to collide with each other, and limit the deflection angles of the two adjacent floating units inthe vertical direction. According to the system, the system cost is greatly reduced in a single-side or central anchoring mode, collision between the adjacent floating units is effectively prevented,and therefore photovoltaic modules on the floating units are protected.

The invention relates to a fixed-point quantitative automatic loading method of bulk sulfur, comprising a belt transport system, a variable frequency dragging automatic positioning and traction system and a rapid precise loading system (3). The belt transport system transports bulk sulfur in a sealed circular stock ground (1), a sulfur forming device or other sulfur storage yards to the rapid precise loading system (3); the variable frequency dragging automatic positioning and traction system tracts the sulfur transport train to part in a loading position accurately; the rapid precise loading system (3) meters the bulk sulfur from a belt transporter (4) accurately and loads the bulk sulfur rapidly in a sulfur transport rain at fixed point. The invention has the advantages of high metering precision, rapid loading, high degree of automation, small occupied area, environmental-friendliness and non-dust, fully sealed safe operation and all-weather automatic and continuous loading.

The invention discloses an axial-flow fan blade handling vehicle which comprises a main frame and at least one interlayer frame. Each interlayer frame comprises a connecting rod and at least one group of axial-flow fan blade storage racks fixed on the connecting rod which is connected on the main frame, and each axial-flow fan blade storage rack comprises at least two storage rods fixed on the connecting rod. By the axial-flow fan blade handling vehicle, occupied storage space is reduced, site utilization rate is increased, and space is effectively saved; collision among axial-flow fan blades and between the axial-flow fan blades and packed articles is prevented, hidden breakage probability is lowered, and quality of the axial-flow fan blades is guaranteed; packing materials are not needed, so that cost is saved; packing and unpacking processes are not needed, convenience in use is realized, labor intensity is lowered, manpower cost is saved, and working efficiency of the axial-flow fan blades is improved.

The invention relates to a large steel plate coal house which comprises a base, a bunker body and a coal bunker purging system. The base comprises a bottom board and a supporting structure arranged above the bottom board. The supporting structure comprises a bucket wall and a supporting column located on the inner side of the bucket wall, and a door opening is formed in the outer side face of the bucket wall. The bunker body is fixedly arranged above the base, at least two conveyor hoppers are arranged on the bottom face of the bunker body, and a weather enclosure, a dust collection device and a ventilation device are arranged on the top of the bunker body. The coal bunker purging system comprises an air source, a purging pipe, a control device and a monitoring device, one end of the purging pipe penetrates through the wall of the bunker body and stretches into an inner cavity of the bunker body, the other end of the purging pipe is communicated with the air source through an electromagnetic valve, the monitoring device comprises a methane sensor, the control device is electrically connected with the electromagnetic valve and the methane sensor, and the control device can open or close the electromagnetic valve according to data transmitted by the methane sensor. The large steel plate coal house is large in storage volume, good in environment protection property and high in site utilization rate, and storage, discharging and loading are integrated.

The invention relates to a moving shelter factory building adopting a portal crane. The moving shelter factory building comprises a factory building (1) and the portal crane (2), wherein a plurality of pairs of parallel factory building rails (11) are arranged between two portal crane rails (21), the factory building (1) consists of a plurality of moving shelters (3), each moving shelter (3) respectively consists of a shelter frame (31), a shelter top (32) and waling wheels (33), and a driving mechanism (34) is connected onto at least one walking wheel (33) of each moving shelter (3). The moving factory building can realize rain and snow shielding and sun burning prevention, in addition, the investment is low, and the moving and the installation of large equipment and the product access storage and transportation are more convenient. When cargos are moved into or out of the factory building, the moving shelter only needs to be moved, the portal crane is matched for hanging and transportation, the equipment, the products and the work personnel are prevented from being troubled by rain, snow and sun burning, the hanging is more convenient, and the limitation by places is lower.

The invention provides a roadside area-variable parking space management system with a photovoltaic power generation function and an operation method of the system. The system comprises a parking region, an on-site sensing execution end, a network communication layer and a background management center; fixed parking spaces are not defined in the parking region; the on-site sensing execution end includes an MCU, a power source module, a ground sensing coil, a geomagnetic sensing device, a smart camera, a laser ranging module, a laser scanning module, a voice loudspeaker, an LED display screen,an LED beam strip, a billing module, a signal transmit-receive antenna and a photovoltaic power generation module; the network communication layer performs communication based on an NB-IoT network; and the background management center is provided with an Internet of Things service system. According to the system of the invention, parking areas are automatically planed according to the sizes of vehicles, and therefore, the number of vehicles that can be parked in the parking region can be increased; billing is based on reservation locking and vehicle model sizes, and therefore, fee charging isreasonable; a photovoltaic carport is arranged on the top of each parking space, and therefore, the system can be powered by itself and sell electricity, and therefore, the system is in line with themanagement requirements of a smart city in the new era.

The invention discloses a brewing method of a high-concentration yellow rice wine, comprising the brewing processes of: immersing raw materials (rice), steaming, pre-fermenting, post-fermenting, squeezing, distilling 20-50% (Vol) of squeezed wine, separating bulk wine into distillate and yellow liquid having high alcoholic strength through distillation, adding the yellow liquid in the pre-fermenting process, carrying out wine decocting and sterilizing treatment on the 20-50% (Vol) of squeezed wine, then uniformly mixing with the distillate, and aging together to finally form a high-concentration yellow rice wine (bulk wine) base wine. The brewing method of the stable-quality high-concentration yellow rice wine has the advantages of labor and material resource saving, brewing space saving, production efficiency improvement, convenience for aging and meets the requirement of large-scale industrial production.

The invention particularly relates to a novel parking lot system for electric vehicles, wherein the novel parking lot system is high in intelligence degree and saves space. The system includes a firsttransmission platform and a second transmission platform which are placed in sequence. A robot mounting device is arranged on one side of the second transmission platform, and a battery recovery device is arranged on the other side of the second transmission platform. A third transmission platform is arranged at the position of an exit of a parking lot, and a battery push platform is arranged onone side of the third transmission platform; the robot mounting device includes a positioning and pushing platform, the positioning and pushing platform includes an elevating platform, and a guide rail type mobile platform that can move in the longitudinal and transverse directions of a first auxiliary conveyor belt is arranged on the elevating platform, a push mechanism is fixedly placed on the mobile platform, and the push mechanism can push out a walking robot placed on the mobile platform. An omni-wheel travelling mechanism can effectively improve the flexibility of automobile steering, reduce the parking space distance of the parking lot, and improve the utilization rate of the site.

The invention discloses an automobile battery exchanging / charging system and a control method thereof. The automobile battery exchanging / charging system comprises a first transmission platform and a second transmission platform which are sequentially arranged at an entrance of a parking lot, wherein a life detection instrument and an identity recognizing device are arranged close to the first transmission platform; an electric first release railing is arranged in front of the first transmission platform; an electric second release railing is arranged between the first transmission platform andthe second transmission platform; a robot mounting device is arranged on one side of the second transmission platform, and a battery recovering device is arranged on the other side of the second transmission platform. According to the automobile battery exchanging / charging system disclosed by the invention, a central processing unit is intelligently connected with a cloud server, so that the situations whether a parking lot has available space and whether an electric vehicle needs to be charged are judged in time, so that a vehicle space is prepared for the electric vehicle in time, and the electric vehicle can be charged in time; and the intelligent degree of the parking lot is increased, and the charging timeliness is guaranteed.

A magnetic suspension conveyor belt comprises a track, wherein the track is an annular track which is vertically arranged up and down; a circle of magnetic suspension transport carts which are connected end to end are arranged on the annular track; the annular track comprises an upper-layer track, a lower-layer track and two bends connected with the two ends of the upper-layer track and the lower-layer track; the upper-layer track and the lower-layer track are parallel to each other; a bend runner is arranged on the inner side of each bend; and a suspension rail for providing eletromagnetic attraction for the magnetic suspension transport carts running on the upper-layer track is arranged on the upper-layer track. The magnetic suspension technology is adopted to realize non-contact conveying, and an additional power device is not needed besides maintaining of suspension, so that the transport capacity of a coal mine can be remarkably improved, mechanical wear does not exist, energy saving and environmental protection are achieved, and the maintenance is convenient.

The invention discloses a small-scale farm organic matter on-site fermentation process and a small-scale farm organic matter on-site fermentation device. The device comprises a feeding bin, a screw conveyor, an inclined conveyor, a fermentation chamber and a control box, wherein a discharging port is formed in one side wall of the lower part of the feeding bin; a manual valve for controlling discharging quantity is arranged on the discharge port; a feeding port of the screw conveyor is positioned below the discharging port of the feeding bin and is used for receiving materials; an automatic charging device for adding strains or trace elements is arranged on the screw conveyor; a discharging port of the screw conveyor goes to the inclined conveyor; and a rotatable bagging bracket is arranged below a discharging port of the inclined conveyor. The organic waste treatment machine is reasonable in design and simple in structure; on-site fermentation of organic fertilizer is realized; the production efficiency and the automation degree are high; the production cost is effectively reduced; environmental pollution is reduced; energy conservation and environmental friendliness are achieved; and industrialized production conditions are achieved.

The invention aims to provide filling equipment for a heavy-duty water-based anticorrosive paint. The filling equipment comprises a stirring cavity, a feed pipe, a driving motor, a motor shaft, a stirring blade, a first filter screen, a stirring vane, a discharge pipe, a first flow control valve, a feed inlet, a sealed cover, a filling cavity, a second filter screen, a filling pipe, a second flow control valve, a second wireless valve controller, a liquid level sensor, a flowmeter, a paint bucket, a weighing platform, a bearing platform, an adapting piece, universal rollers, a control device, a control button, a display screen, a working state indicator light, a wireless transmitter, a supporting bar and a first wireless valve controller. The filling equipment is characterized in that the feed pipe is arranged at the upper end of the stirring cavity; the feed pipe and the stirring cavity are communicated with each other; and the motor shaft is arranged inside the stirring cavity. The invention has the following beneficial effects: automatic filling of the paint can be realized, and the filling equipment has advantages of saving manpower, raising filling accuracy and enhancing paint quality.

The invention discloses a prefabricated concrete member steam curing production line and a steam curing method. The production line is composed of a steam heat source machine system, a steam transmission pipeline, a mold table and a steam curing shed, wherein water is converted into dry steam through the steam heat source machine, the dry steam is distributed to all pipelines through a steam distributing cylinder and finally enters the steam curing shed of a production line, valves on the steam transmission pipeline independently control mold table sets, temperature and humidity control is conducted through the steam curing shed and a temperature and humidity sensing probe, temperature control in a curing process is divided into temperature rise and then natural cooling, the heat preservation time of each stage is strictly controlled, and finally it is ensured that the strength of a component meets the specified requirement after the natural cooling. The prefabricated concrete member steam curing production line and the steam curing method are energy-saving, consumption-reducing, emission-reducing and efficiency-improving, the construction cost is low, the occupied area is small, the site utilization rate is high, the operation flexibility is high, the curing effect is good, the mold stripping time is shortened, the mold stripping strength is improved, the production efficiencyis improved, the component surface is crack-free, and the heat energy utilization rate is high.

The invention relates to a construction method of a net rack, in particular to a starting construction method for a large-span gable wall of a cylindrical latticed shell structure for a coal storage yard. The gable wall is manufactured by small spliced unit grounds, and is overhung to expand splicing, so that the construction speed is high. The coal delivery work of the coal storage yard is not affected, so that a purpose of construction while working is achieved. The large-span cylindrical latticed shell structure is constructed in a special working condition environment of the coal storage yard by adopting a method of using the small spliced units, starting the gable wall, decreasing progressively layer by layer, constructing row by row upward and overhanging to expand splicing. By combining gable wall starting by way of splicing, the method divides construction sections reasonably. Started from two ends of the gable wall, the gable wall is mounted upward lattice by lattice, cylindrical shell net racks on two sides are mounted at the same time, the cylindrical shell net racks on the two sides in starting are decreased progressively row by row along the mounting height, supportingpoints are arranged in a spaced manner in a starting internal chord of the gable wall, and hawsers are pulled in different heights on two sides, so that the integral stability is ensured. The gable wall is manufactured by small spliced unit grounds, and is overhung to expand splicing, so that the construction speed is high.

The invention discloses a system and a method for calibrating errors of watt-hour meters. The system comprises a relay switch board, an AD sampling module, a 6.4 K external interrupt trigger pulse acquisition module, a pulse capture module, a first processor, a second processor, a dual-port RAM (random access memory) and a display terminal module, wherein multiple paths of voltage-current signals access the relay switch board, the relay switch board is connected with the input end of the AD sampling module, the output end of the AD sampling module is connected with the first processor through a data bus, the 6.4 K external interrupt trigger pulse acquisition module and the pulse capture module are both connected to the first processor, the first processor is connected with the second processor via the dual-port RAM through a data bus, and the second processor is connected with the display terminal module and the relay switch board. According to the invention, multiple 0.2-level gateway watt-hour meters can be simultaneously subjected to error calibration, and the vector diagram and primary waveform of each to-be-calibrated watt-hour meter can be recorded, so that the working efficiency is high, and the space utilization rate is high; and the precision of the calibration system can reach 0.05 level.