45results about How to "Low construction cost" patented technology

The invention discloses a mass concrete composite anti-crack structure and a crack control construction method based on the mass concrete composite anti-crack structure. The composite anti-crack structure comprises a core common concrete layer, an outer side anti-crack concrete layer, a reinforcing mesh arranged between the core common concrete layer and the outer side anti-crack concrete layer, and a top anti-crack concrete layer. The method comprises the steps that firstly, the thickness of side face anti-crack concrete and the thickness of top face anti-crack concrete needing to be poured are calculated according to cracking risk assessment, the side face anti-crack concrete is poured firstly, then core common concrete is poured, and it is ensured that the pouring height of the side face concrete is always 20-30 cm higher than the core common concrete; and then the top surface is completely constructed by adopting anti-crack concrete. The reinforcing mesh subjected to special treatment is adopted, so that the overall stress of the composite structure is uniform, the overall anti-cracking performance and durability of the composite structure are improved through the outer side anti-cracking concrete, the construction technology is simple, meanwhile, a large amount of construction cost and operation and maintenance cost can be saved, and the composite structure is suitable for application and popularization.

The invention provides a steel net rack platform integral installation type offshore photovoltaic supporting structure, a net rack platform is arranged on a pile foundation structure, the net rack platform is provided with an upper plane frame and a lower plane frame in a layered manner, and the surface of the upper plane frame is connected with a photovoltaic module; the upper plane frame comprises upper chord members which are connected with each other, the lower plane frame comprises lower chord members which are connected with each other, the upper chord members are connected through ball joints, the lower chord members are connected through ball joints, and inclined rods are connected between the ball joints of the upper plane frame and the ball joints of the lower plane frame. Connecting sections are arranged at the end parts of the chord members, the lower chord members and the inclined rods; and connecting parts matched with the connecting sections are arranged in the spherical joints. The rod pieces in the net rack platform are connected through the ball joints and are in threaded connection together to form the net rack platform, the net rack platform does not need to be welded, the length of the bolts can be adjusted, and therefore the net rack platform is convenient and rapid to assemble.

The invention discloses a rapid assembly and split launching method for a shield tunneling machine in a narrow space, which comprises the following steps of: excavating launching holes in two sides of a launching shaft by adopting a mining method, pouring a guide table in the launching shaft, and mounting a launching bracket; a large crawler crane is used for sequentially hoisting a locomotive, a 6 # trolley, a 5 # trolley, a 4 # trolley, a 3 # trolley, a middle shield, a front shield, a cutterhead, an erector, a spiral conveyor and a tail shield, a counter-force frame is installed, a hoisting connecting bridge, a 2 # trolley and a 1 # trolley are hoisted, split starting is temporarily connected, pipe pieces are assembled, tunneling is conducted by 40 m, the 5 # trolley and the 6 # trolley are connected, and normal tunneling can be conducted after the whole shield machine is assembled. According to the invention, the technical problems of rapid assembly and split starting tunneling under the conditions of narrow space and tight construction period requirement in shield construction can be solved.

The invention discloses a pipe cleaning, pressure testing and baseline detection combined construction method for a deep sea composite pipe, which comprises the following steps: injecting fresh water into the composite pipe, keeping the water pressure, and preliminarily cleaning the composite pipe; pipe cleaning operation is conducted, and the composite pipe is cleaned again; performing a pressure test, and checking the sealing performance of the composite pipe; and performing baseline detection to detect metal loss in the composite pipe. Pigging pressure test and baseline detection of original staged construction are integrated into combined construction, a set of efficient, economical and safe submarine pipeline pigging pressure test detection process is formed, meanwhile, the requirement for integrity management of submarine pipelines is met, the construction process is simplified, the construction period is shortened, the construction cost is saved, and the economical efficiency is improved.

The utility model provides an offshore suspension cable photovoltaic cross pile type anchoring structure, which comprises a first anchoring pile and a second anchoring pile, the first anchoring pile is fixedly connected with a guide pipe, the guide pipe is obliquely inserted into the first anchoring pile, two ends of a wire conduit are communicated with the outside, the second anchoring pile is arranged in the guide pipe, and the guide pipe is fixedly connected with the guide pipe. By arranging the cross pile type anchoring structure, the horizontal bearing capacity is improved, the horizontal force borne by the anchoring structure is converted into the pressure of the second anchoring pile and the pulling force on the first anchoring pile, the bearing capacity of the pile bodies is exerted to the maximum degree, the pile bodies are connected in a welded mode, the concrete consumption is reduced, the offshore grouting procedure is omitted, and the construction cost is reduced. The first anchoring pile is firstly sunk, it is ensured that positioning is simple and accurate, due to the fact that the guide pipe is arranged, the second anchoring pile is convenient to install, only a pile sinking mechanism identical with the first anchoring pile needs to be adopted, the problem that special pile sinking equipment is used is avoided, pile sinking construction cost is saved, offshore construction procedures are simplified, and construction efficiency is improved.

The invention relates to the field of LNG operation, and discloses a micro honeycomb array tube bundle composite LNG gas-liquid mixing device and a method thereof.The micro honeycomb array tube bundle composite LNG gas-liquid mixing device comprises a boil-off gas inlet section, and boil-off gas enters the device through the boil-off gas inlet section; the forced mixing and dissolving cavity is arranged at the rear part of the boil-off gas inlet section, and a front partition plate is arranged between the forced mixing and dissolving cavity and the boil-off gas inlet section; the array tube bundle micro honeycomb tubes are uniformly distributed in the forced mixing and dissolving cavity to form an array tube bundle area, a microbubble generating cavity is arranged in the array tube bundle area, and the front end of the microbubble generating cavity is arranged on the front partition plate; the dispersed turbulence mixing cavity is arranged at the rear part of the forced mixing and dissolving cavity, a rear partition plate is arranged between the forced mixing and dissolving cavity and the dispersed turbulence mixing cavity, the forced mixing and dissolving cavity is incompletely isolated from the dispersed turbulence mixing cavity through the rear partition plate, and the rear end of the microbubble generating cavity is arranged on the rear partition plate; and the LNG outlet section is arranged at the tail end of the dispersed turbulent flow mixing cavity and is used for discharging the LNG reaching the liquid state rate of 100%.

The application discloses a kind of multi-gas source multi-user injection-production gas switching metering devices and processes for gas storage, and relates to the technical field of gas storage injection-production gas equipment, specifically to a kind of multi-gas source multi-user injection-production gas switching metering devices for gas storage, including gas field gas pipeline, low-pressure pipeline, injection-production gas pipeline, high-pressure pipeline, first gas recovery processing pipeline, second gas recovery processing pipeline;One end of the gas field gas pipeline is used to communicate with gas field, and the other end of the gas field gas pipeline communicates with the second gas recovery processing pipeline;The application provides a kind of multi-gas source multi-user injection-production gas switching metering devices and processes for gas storage, which is applied in gas storage, can realize the free switching measurement and interconnection of multiple gas sources and users in different injection-production cycles of gas storage, and realizes the standardization, serialization, integration, modularization and skid-mounted of the device, which can effectively reduce the construction period and construction cost.

A flue gas desulfurization device of desulfurization absorption tower external crystallization, comprising the following units, a flue gas desulfurization unit: comprising a main flue gas duct subunit, a desulfurization absorption subunit; a flue gas evaporation crystallization unit: comprising a secondary flue gas duct subunit, an evaporation crystallization subunit and a solid-liquid separation subunit connected in sequence; the desulfurization absorption subunit comprises a desulfurization absorption tower, a circulating pump, a circulating tank, a desulfurizer supply device, a process water supply device and an oxidizing air supply device; the main flue gas duct subunit comprises a pipeline connected to the desulfurization absorption tower as an inlet and outlet flue; a boiler induced draft fan and a damper are connected in series on the pipeline; one pipeline of the main flue gas is connected to the desulfurization absorption tower, and another pipeline is connected in parallel to a crystallization booster fan and a flue which is connected to the evaporation crystallization subunit; the evaporation crystallization subunit is additionally provided with two pipelines connected to the desulfurization absorption tower, one of which is used to introduce a desulfurization byproduct solution from the desulfurization absorption tower, and the other of which is used to return low-temperature flue gas to the desulfurization absorption tower.

This invention belongs to the field of civil engineering technology in the field of flywheel energy storage in thermal power plants. It discloses a foundation treatment method for setting up flywheel energy storage devices in collapsible loess areas. The method involves excavating 2-3 meters downwards from the surface of the collapsible loess layer, then installing bored piles for the flywheel well on the surface after the first excavation. A second excavation is then carried out on the surface corresponding to the flywheel well, reaching the lower elevation of the flywheel well's bottom slab. The loose pile portion is then removed, and the flywheel well is installed above the bored piles. Backfill soil is used to the surface height after the first excavation, followed by a layer of lime-soil. A second backfill is then used to the ground floor level, and finally, a hardened ground surface is constructed. This invention features a short construction period, low engineering cost, and a foundation treatment scheme combining bored piles and lime-soil, making it particularly suitable for the characteristics of flywheel energy storage project structures.

The utility model provides a kind of anti-vibration nut, increase O-ring in nut inside, increase the friction between nut and bolt, prevent nut from loosening because of vibration.The anti-vibration nut is used for the related operation (pipeline flange connection, fixed support, bolt fastening) needing to use bolt connection, fixed, using the nut and bolt connection, can prevent nut loosening due to vibration at connecting place, avoid the security risk due to the fastening of fastener The fastening of fastener reduces, and simultaneously can reduce the use of spring pad, reduce construction cost, improve construction efficiency.

The utility model relates to the technical field of sulphur recovery equipment, specifically a floating ball type sulphur sealing device, including inner cylinder, the inner cylinder top part sets up cylinder top flange cover, the inner cylinder bottom part sets up cylinder bottom flange cover, the inner cylinder connects liquid sulphur inlet inner connector and liquid sulphur outlet inner connector respectively, the liquid sulphur outlet inner connector extends into the inside of inner cylinder, the liquid sulphur outlet inner connector extends into the inside of inner cylinder one end upper portion opening, and opening place fixedly connected with the communicating port, the communicating port is in communication with liquid sulphur outlet inner connector, the communicating port is slidably connected with the plunger, and the plunger can block the communicating port, and the top of plunger is fixedly connected with the floating ball. The utility model discloses a floating ball type sulphur sealing device simple structure, through the floating ball drive plunger isolation process gas into liquid sulphur storage facility, and ensure that the liquid sulphur generated flows into the storage facility, eliminates the hidden danger of safety while saving the investment, and is more favorable to the maintenance of equipment.

The utility model relates to a heat storage electric heating device, and belongs to the technical field of heating. According to the technical scheme, the device comprises a shell, an electric heating pipe, an electric heating wire and a controller mounting box, and is characterized in that heat accumulators are arranged in the shell, the electric heating pipe is arranged between the heat accumulators, and part of heating external heat is stored in the heat accumulators; a heat storage material, superconducting liquid and an electric heating pipe are placed in the lower communicating pipe, and part of heating external heat is stored in the heat storage material; a heat storage material and an electric heating wire are arranged in the heat storage floor heating pipe, and part of heat outside heating is stored in the heat storage material. The time control switch controls on and off of the power supply, and when the power supply is turned off, stored heat is used for continuous heating. The utility model has the following beneficial effects: the heat storage function is realized, heat storage is carried out while heating is carried out for 1 hour after power is on, heat supply can be continuously carried out for 1 hour after power is off, and 50% of energy can be saved; the device is simple in structure, obvious in energy-saving effect and wide in market prospect.

The invention discloses an ultra-wideband plane wave generating system and a test system having the same, and a near-field test method of the test system. The ultra-wideband plane wave generating system includes a debugging-free plane wave generator, an electromagnetic shielding body, an absorbing material, an EUT device under test and a carrier turntable. The plane wave generator, the absorbing material, the carrier turntable and the EUT device under test are located in the electromagnetic shielding body, the electromagnetic shielding body forms a quiet zone with the same size as the plane wave generator mouth, the plane wave generator is located on one side of the inner wall of the electromagnetic shielding body, the EUT device under test is fixed on the carrier turntable, the carrier turntable and the EUT device under test are located on the other side of the inner wall of the electromagnetic shielding body, the plane wave generator includes a power division feeding network, an amplitude-stabilizing and phase-stabilizing cable and an antenna array composed of N antenna units, the antenna unit is connected to the power division feeding network through the amplitude-stabilizing and phase-stabilizing cable, and the absorbing material is located on the inner wall of the electromagnetic shielding body. The invention has a short field source distance, no debugging, high test accuracy, low cost, convenient testing, low site requirements, and low maintenance requirements.

The invention provides a construction method for reinforcing the inside of a top pipe construction tunnel portal well, which has the following advantages: in the construction well of a construction tunnel portal, when a tunnel portal supporting wall is chiseled away, a supporting wall outer side reinforcing steel bar and a protective layer are reserved to serve as a temporary supporting surface of a tunnel portal tunnel face position, and a cross beam and a steel diagonal brace are erected on the temporary supporting surface, so that the tunnel portal tunnel face position is reinforced; by adopting the method of cutting reinforcing steel bars on the outer side of a support wall in a layered manner, dismantling a cross beam and a steel diagonal brace, and pouring low-strength foam concrete in a layered manner to fill a gap space between a tunnel face and a pipe jacking machine head, the problem that no operation space is available for reinforcement outside a construction well or reinforcement is poor is solved, and efficient and rapid reinforcement of a tunnel portal of the construction well is realized; according to the method, the safety of the jacking pipe construction portal is guaranteed, decisive conditions are created for smooth jacking of the jacking pipe, and the method is high in construction speed, free of influences of external geology and operation environment and low in construction cost.

The invention discloses a method for calculating the horizontal force of cart wheels of wharf rail-mounted mobile equipment on a rail, which comprises the step of calculating the horizontal force when the cart of the rail-mounted mobile equipment is in a stop state and a moving state, and the horizontal force borne by the rail comprises a horizontal component force Fc perpendicular to the direction of the rail and a horizontal component force Fp along the direction of the rail; according to the method for calculating the horizontal force of the track, the horizontal force is divided into the horizontal component force Fc perpendicular to the track and the horizontal component force Fp parallel to the track to be calculated respectively according to the actual condition of the horizontal force borne by the track, the horizontal component force calculation method integrates track installation errors, equipment design parameters and wind loads of corresponding wind directions, parameter design is reasonable, and the reliability is high. The calculation formula is reliable, the actual stress condition is fully and comprehensively reflected, meanwhile, the stress conditions of the track in different limit states are fully considered in the calculation method, installation is guided through calculated values, the installation reliability is high, and the port engineering construction cost is effectively reduced.

The utility model relates to a pipeline foundation template mounting and supporting device, which belongs to the field of municipal engineering operation auxiliary tools, and comprises a positioning support, the positioning support comprises an L-shaped plate, one end of the L-shaped plate is provided with a fixing hole, the other end of the L-shaped plate 1 is provided with a connecting part, a reinforcing rib is arranged between two sides of the L-shaped plate, and the fixing hole is formed in the L-shaped plate. According to the connecting device, the formwork is not prone to deformation in the construction process, the connecting parts are long-strip-shaped connecting holes, the connecting rods can move up and down in the long-strip-shaped connecting holes to adjust the height of the connecting rods, and the two ends of the connecting rods are connected with positioning supports through the connecting parts respectively. The distance between the two positioning supports can be adjusted by controlling the fixing positions of the connecting rods on the positioning supports, and the connecting rods are split bolts and fixing pieces. The fixing piece is a steel chisel, and the fixing piece fixes the positioning device on the ground through the fixing hole.

The invention discloses a side slope frost heaving damage treatment method which comprises the following steps: measure I: embedding a plurality of heating pieces in a shallow soil body of a side slope at intervals in an array manner, and roughly extending the heating pieces along the normal direction of a slope surface; the heating piece is connected to a power supply for storing power by the solar panel; a temperature sensor is embedded in a shallow soil body of the side slope; and the controller is connected to the power supply and the temperature sensor, and is configured to send an instruction to the power supply to supply power to the heating element when the temperature sensor detects that the temperature of the soil body is reduced to a warning temperature within 0-3 DEG C, so that the heating element heats the shallow soil body of the slope. The second measure is that a plurality of drainage holes are formed in the bottom area of the side slope in the slope length direction at intervals; the drainage holes incline upwards and extend into a soil body of the side slope, and inner side orifices of the drainage holes extend into an infiltration interface of underground water; water converges into a drainage ditch arranged along the edge of the bottom of the slope from an outer hole opening of the drainage hole. According to the method, the slope frost heaving phenomenon can be treated more economically and efficiently.

The invention discloses a multi-tower-shaped tower grounding resistance optimization method based on a Monte Carlo algorithm, and relates to the technical field of power system grounding, and the method comprises the following steps: according to a long power transmission line back-strike trip-out rate requirement, a tower shape requirement, along-line topographic features and a plurality of tower-shaped tower grounding resistance construction requirements, carrying out grounding resistance optimization on a plurality of tower-shaped towers; establishing a multi-tower-shaped power transmission line tower grounding resistance optimization model; setting parameters of a Monte Carlo method, and randomly generating a plurality of groups of soil resistivity grades and grounding resistance values corresponding to the soil resistivity grades; solving the multi-tower-shaped power transmission line tower grounding resistance optimization model through a Monte Carlo method; the optimal value solved by the Monte Carlo method is converted into a corresponding soil resistivity grade and a corresponding grounding resistance value, and the soil resistivity grade and the corresponding grounding resistance value serve as the optimal design scheme of the grounding resistance of the multi-tower-shaped power transmission line tower; on one hand, construction cost increase caused by too small grounding resistance value can be avoided, and on the other hand, the overall lightning protection performance of the multi-tower-shaped power transmission line is ensured.

This invention provides a cross-seasonal natural ice-making winter cold storage energy storage mine cooling system, belonging to the field of mine heat hazard control technology. It includes a cold storage subsystem and an underground cooling subsystem, coupled via a four-way reversing valve. The cold storage subsystem includes an ice storage tank, a water supply assembly, and a spray enhancement module. The outlet of the ice storage tank is connected to the inlet of the water supply assembly, and the outlet of the water supply assembly is connected to the first interface of the four-way reversing valve. The spray enhancement module is connected to the second interface of the four-way reversing valve. The underground cooling subsystem includes an air cooler, a second fan, a chilled water pipe, and a return water pipe. One end of the chilled water pipe is connected to the third interface of the four-way reversing valve, and the other end is connected to the inlet of the air cooler. The outlet of the air cooler is connected to the return water pipe, and the end of the return water pipe furthest from the air cooler is connected to the fourth interface of the four-way reversing valve. This mine cooling system has a simple structure, low energy consumption, low cost, and high energy storage efficiency.

This application provides an engine durability testing method, system, device, and readable storage medium. The engine durability testing method includes: acquiring the compressor impeller speed through sensors; adjusting the opening of an electronic valve based on the impeller speed and a preset speed under high-altitude conditions; acquiring the exhaust temperature of the turbocharger turbine; adjusting the opening of a cooler electronic valve based on the exhaust temperature and a first preset temperature value under high-altitude conditions; acquiring the compressor outlet air temperature of the turbocharger; and adjusting the opening of an electronic vent valve based on the outlet air temperature and a second preset temperature value under high-altitude conditions. Through the technical solution of this application, tests simulating high-altitude environments can be conducted in plains environments without the need to construct a high-altitude environment chamber, improving the engine's durability verification capability, fully verifying engine reliability, and reducing the engine failure rate under high-altitude conditions.

This utility model relates to the field of photovoltaic PHC pipe pile forming technology, specifically to a photovoltaic PHC pipe pile drilling and driving control device, including a casing, a straightening component, a detection component, and a support base. The support base is fixed to the ground, and the casing is coaxially arranged above the support base. The casing is threadedly connected to the support base through a lug at the bottom. Multiple sliding grooves are vertically spaced along the spiral path on the inner wall of the casing. Multiple straightening and detection components are arranged inside the casing. The straightening component extends into the corresponding sliding groove and is slidably connected to it. The detection component is fixedly arranged on the corresponding straightening component. During drilling, one side of the straightening component can abut against the outer edge of the spiral blade of the auger drill rod. During pile driving, one side of the straightening component can abut against the outer side of the pipe pile. This device can determine the deviation state of the auger drill rod and the pipe pile, and through the straightening component, push the auger drill rod and the pipe pile to correct the deviation in time, ensuring the verticality of the auger drill rod and the pipe pile.

The utility model provides a pile extractor of engineering pile, including side plate, at least two bottom plate, reset device and locking device, bottom plate includes the rotation end and away from the movable end of rotation end, bottom plate is rotatablely connected with side plate at the rotation end, the reset device is connected with the movable end and side plate bottom end, the locking device is connected with the side plate. The locking device is connected with the bottom plate or the side plate at the rotating end, and when the movable end rotates to the bottom face of the side plate, the locking device is used for locking rotation of the bottom plate so that the bottom plate can be kept on the bottom face of the side plate. According to the pile extractor for the engineering pile, resistance generated when the engineering pile is extracted by a soil body outside the pile extractor is blocked, the pile extracting speed is increased, construction can be conducted through small-size and low-power equipment, large-size equipment does not need to be transferred to a construction site to extract the pile, the construction efficiency of pile extracting is improved, the construction period is shortened, and the construction cost is saved; the method is more economical and environment-friendly.

The invention discloses a building structure module and a construction method thereof.The building structure module comprises a main body part and a connecting part, the main body part comprises a reinforced concrete structure formed by pouring and tamping concrete through a reinforcement cage, the connecting part comprises a web, a wing plate and other accessories, and the web is connected with the wing plate and other accessories to form a steel plate structure; the reinforcement cage is rooted on the web to form a building structure module, the building structure modules can be connected through the connecting part steel plate structures, meanwhile, a plurality of process holes can be formed in the wing plates, and concrete can be poured and tamped into the connecting part steel plate structures through the process holes to form a steel plate concrete structure. The main body part reinforced concrete structure of the building structure module is low in construction cost, and the connecting part steel plate concrete structure is simple in building module connection construction, so that the respective advantages of the reinforced concrete structure and the steel plate concrete structure are reserved, and the original defects of the reinforced concrete structure and the steel plate concrete structure are overcome; and the construction cost is further reduced while the construction efficiency is effectively improved.

The utility model relates to a water-adjacent piling platform, belongs to piling construction technical field, specifically is a kind of water-adjacent piling platform of steel pipe erection, including patterned steel plate, still include support assembly;Steel casing, the steel casing is installed on patterned steel plate, shock-absorbing rubber plate is fixedly installed between the steel casing and patterned steel plate;The utility model reaches the effect of low cost, erects, removes fast, construction cycle is short, does not destroy riverway environment, solves the problems, such as high construction material cost of existing patent, multiple steel casing is needed, and additional piling and pulling pile operation are increased, greater influence is caused to surrounding environment and sensitive structure, construction cost and construction time are greatly increased.

The utility model relates to a composite radio frequency coaxial cable. The cable comprises an inner conductor which is of a spiral tubular structure; the optical fiber is embedded in the inner conductor, and an optical fiber filling ointment is filled between the optical fiber and the inner conductor; the insulating layer is arranged on the outer side of the inner conductor; the shielding layer is arranged on the outer side of the insulating layer; and the sheath layer is arranged on the outer side of the shielding layer. According to the utility model, the optical cable and the radio frequency coaxial cable are of an integrated structure, optical waves and radio frequency signals can be transmitted simultaneously, the advantages of the radio frequency coaxial cable structure and the optical cable transmission performance are combined, and the problems of easy damage, signal interference, low construction efficiency, poor compatibility with the existing system and the like of the optical cable in the prior art are solved; efficient and stable transmission of light wave and radio frequency signals is achieved, and meanwhile construction cost and difficulty are reduced.

A self-floating and submerging positioning installation device for a steel frame using airbags for buoyancy assistance is provided on the steel frame, at least one vertical airbag is provided on each vertical side of the steel frame, at least one horizontal airbag is provided on each horizontal side of the bottom of the steel frame, a plurality of lifting rings are provided on the steel frame, the vertical airbags and the horizontal airbags are both connected with slings, a hydraulic unhooker is connected between the slings and the lifting rings, the vertical airbags and the horizontal airbags are both provided with inflation and deflation control valves, the inflation and deflation control valve signals are connected with a central inflation and deflation controller, and the four corners of the steel frame are all connected to a positioning ship with a positioning anchor cable through cables. The beneficial effects of the present invention are: it can be directly self-floating in a dock, and then floated and towed to a designated installation site, significantly reducing the dependence on ship equipment resources, reducing construction costs, and shortening the construction period.

The utility model relates to the technical field of wagon balance potential energy power generation, in particular to an energy storage type wagon balance potential energy recovery power generation device based on a super capacitor, which comprises a first rotating rod, a limiting shaft arranged in the first rotating rod, a second rotating rod fixedly arranged at one end of the limiting shaft, and two limiting blocks fixedly arranged on the side face of the limiting shaft. The beneficial effects of the utility model are that the device facilitates the adjustment of the overall length of the first rotating rod and the second rotating rod, enables the permanent magnet synchronous generator to be just arranged at the side of the loadometer scale, enables the permanent magnet synchronous generator to be arranged at the side of the loadometer scale, and enables the permanent magnet synchronous generator to be arranged at the side of the loadometer scale, thereby achieving the adjustment of the overall length of the first rotating rod and the second rotating rod. Therefore, the underground space is saved, the construction cost is saved, the permanent magnet synchronous generator is prevented from being crushed by the loadometer scale, the service life of the permanent magnet synchronous generator is prolonged, and the application range of the device is widened.

The invention discloses a main-electric-auxiliary-bag type composite dust remover, relates to the technical field of dust removal, and can improve the trapping capability and the application range of an electric dust remover. According to the dust remover, an electric dust removal module comprises at least one electric trapping area, each electric trapping area is composed of a plurality of electric field channels, each electric field channel comprises two anode plate row sets and a cathode row set, each anode plate row set is composed of a plurality of anode plates, and each cathode row set is composed of a plurality of discharge wires and dust collection plates; each of a first plate surface and a second plate surface in the plate sheet structure of the anode plate is formed by sequentially arranging a plurality of arc-shaped plates, and an opening formed by the arc-shaped plates faces the interior of the plate sheet structure; the periphery of the plate sheet structure is composed of an upper sealing plate, a lower sealing plate, a front open groove and a rear clamping groove, and a dust collecting pipe is arranged at the position close to the rear clamping groove. Particulate matters in the flue gas are adsorbed to the plate structures under the action of airflow drag force and electric field force, and the particulate matters secondarily escaping from the plate structures enter the dust collecting pipes; and the bag dust removal module collects particulate matters from the dust collection pipe.

The invention relates to an underground deep foundation orthogonal pipe gallery construction method which comprises the following steps: step 1, in a design drawing stage, comprehensively considering the bearing capacity of an underground deep foundation structure, ensuring the overall load of the structure and optimizing the use amount of structural concrete; 2, in combination with the total project construction period and the absolute construction period of each single body, different supporting design schemes are adopted for different single bodies, and the construction safety and quality of each single body are ensured; and thirdly, a segmented construction method is adopted, the slag sluice at the bottom of the rotational flow well and the bottom of the electrical room is constructed firstly, then a water pipe gallery on the upper portion of the slag sluice and a bottom plate of the electrical room are backfilled and constructed, and after well sinking of a rotational flow well shaft is completed, the reserved slag sluice from the rotational flow well to the electrical room is communicated finally, and the construction period is shortened. The construction period is shortened, and the construction cost is saved.

The utility model relates to the technical field of photovoltaic modules, in particular to a light photovoltaic module structure. Comprising a light U-shaped frame and a laminated part, the laminated piece is mounted on the light U-shaped frame; wherein the laminated piece comprises a front plate, a front adhesive film layer, a battery array, a rear adhesive film layer and a back plate which are sequentially arranged from top to bottom; the front plate is made of ultra-thin tempered glass with the thickness of 0.8-1.6 mm, and the ultra-thin tempered glass is coated with a silicon dioxide anti-reflection coating; both the front adhesive film layer and the rear adhesive film layer are resin films with the thickness of 0.2-1.0 mm, and the resin films are made of EVA (ethylene vinyl acetate), EPE (expandable polyethylene), POE (polyolefin elastomer) or PVB (polyvinyl butyral) materials. Compared with the traditional photovoltaic glass, the thickness of the photovoltaic module is reduced by 2 / 3, the light transmittance of the module is higher, and the power generation power of the photovoltaic module is increased; the weight of the light assembly is only about 5 kg / m < 2 > and is reduced by about 70% compared with a traditional assembly, and therefore the roof environment with the low load can be met, the pressure on the roof structure is reduced, and safety is improved.