36 results about "Headworks" patented technology

The invention belongs to the technical field of engineering intelligent quality monitoring and management, and particularly relates to a hydropower engineering civil engineering quality supervision system capable of automatically collecting and monitoring. Comprising an engineering data multi-point automatic acquisition platform, a civil engineering quality automatic monitoring application platform, an engineering quality analysis engine, a design model import module and an engineering quality monitoring data integration analysis platform which are connected in sequence. According to the engineering data multi-point automatic acquisition platform, an acquisition device can be carried by a constructor, and engineering quality information can be automatically scanned and acquired after the constructor enters a specified work area; according to the automatic civil engineering quality monitoring application platform, on the basis that the engineering quality analysis engine provides functions, the monitoring modules are used for analyzing the collected information, and whether the civil engineering of each part meets the corresponding quality management requirement or not is judged; and the result is published to a project quality monitoring data integration analysis platform for integration to form a quality management report.

A concrete building formwork for civil engineering comprises a bottom base plate, a combined rectangular frame plate, pressure applying cover plate assemblies and a material pushing assembly and is characterized in that the detachable combined rectangular frame plate is installed on the upper side of the bottom base plate in a clamped mode, and the pressure applying cover plate assemblies are installed on the upper side of the bottom base plate side by side; the combined rectangular frame plate comprises two groove-shaped plates arranged on the periphery and a plurality of clamping straight plates arranged in the middle, the pressing cover plate assembly comprises a groove-shaped portal frame, a pressing push rod, a centralizer and a cover plate, and the material pushing assembly comprises a beam plate, a sliding rail, a sliding block and a groove-shaped material pushing plate. The two beam plates are fixed to the lower sides of webs of the groove-shaped portal frames side by side. The concrete building template for the civil engineering and the using method thereof have the advantages that pressure and temperature parameters can be monitored in a partitioned mode, the pressure and the temperature can be regulated and controlled in real time according to the characteristics of the concrete solidification process, and rapid demolding can be achieved after a concrete floor slab is formed.

The invention belongs to the field of civil engineering, and particularly relates to a vegetation slope surface structure for improving sludge soil through microorganisms and solid waste materials and a construction method. The construction method comprises the following steps: spraying an isolating layer: directly spraying a compound bacteria solution containing heavy metal degrading strains on undisturbed soil of the side slope to the surface of the undisturbed soil; pouring a slope protection framework: uniformly mixing sludge, ardealite, fly ash, manganese slag and cement in proportion, and then pouring and molding on the isolating layer through a template; piling up a side slope surface layer: filling silt compost planting soil and grass seeds into the geotechnical ecological bags, and then piling up in the slope surface protection framework; the slope surface structure comprises an isolation layer, a slope surface protection framework arranged on the isolation layer and a geotechnical ecological bag filled in the slope surface protection framework; according to the method, the strength of the soil body is enhanced, the environmental safety is improved, the vegetation adaptability is comprehensively optimized, and a green and safe slope protection approach is provided for slope engineering.

The utility model discloses a concrete formwork for civil engineering, belongs to the technical field of civil engineering, and aims at the problem that the installation and disassembly between adjacent concrete formworks is complicated, and the installation and disassembly of the concrete formwork as a whole is complicated, which affects the construction efficiency. The utility model comprises a formwork body, a connecting mechanism is arranged on the formwork body, and a supporting mechanism is arranged on the formwork body. The utility model realizes the connection between two adjacent formwork bodies through the adjustment of the connecting mechanism, and the fixing column pops into the limiting hole after the connecting rod is inserted into the connecting slot, and the adjusting screw is turned to drive the top block to move, and the fixing column is pushed into the installation cavity, so as to realize the rapid disassembly of the adjacent formwork bodies, and the support and fixation of the formwork bodies are realized through the adjustment of the supporting mechanism, and the fastener is rotated to release the limit of the supporting frame, so as to realize the disassembly of the supporting mechanism, and effectively avoids the problem that the installation and disassembly between adjacent concrete formworks is complicated, and the installation and disassembly of the concrete formwork as a whole is complicated, which affects the construction efficiency.

The utility model discloses a multi-section civil engineering safety monitoring instrument embedding and fixing device, which relates to the field of civil engineering monitoring and comprises an embedding cylinder, one end of the embedding cylinder is plugged, the other end of the embedding cylinder is opened and is matched with a cylinder cover, an inner cavity is formed in the embedding cylinder, water seepage holes are formed in the outer circumferential wall of the embedding cylinder, and a sponge plate is attached to the inner wall of the inner cavity. In order to solve the problem that the burying depth of an osmometer is difficult to control during multi-section civil engineering construction at present, a gauze bag is filled with fine sand, the osmometer is buried, the gauze bag is connected with a lifting rope to be mounted in an inner cavity, and when and after the inner cavity is filled with coarse sand, the position of the gauze bag can be changed by pulling the lifting rope, so that the osmometer can be conveniently and quickly buried. The position of the osmometer is adjusted, the burying depth of the osmometer is controlled, and the lifting rope is locked through the locking piece, so that the position of the gauze bag is kept, it is guaranteed that the osmometer is located at the needed position, and the adjustment requirement of engineering is met.

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 invention relates to the technical field of foundation pit drainage, and discloses a foundation pit drainage facility for civil engineering construction, which comprises a foundation pit, a foundation pit high ridge is arranged at the center of the bottom of the foundation pit, a drainage channel is formed in the wall-attached position of the periphery of the foundation pit, a plurality of foundation pit flat ridges are arranged in the channel, and the structure is used for guiding accumulated water and realizing step-by-step pre-sedimentation of silt; the water taking groove is formed in the corner of the foundation pit and used for collecting the settled water flow; and the filtering mechanism is mounted in the water taking tank. The filtering mechanism has double self-cleaning functions: an outer cleaning assembly is arranged on the outer side of an outer filtering assembly, and a cleaning ring is driven by water flow to rotate to clean large impurities; an inner cleaning assembly is arranged in the inner filtering assembly, and an impeller and a cleaning roller are driven by water flow to rotate so as to brush fine filtering holes. The water pump is arranged at the top of the foundation pit and connected with the filtering mechanism through a pumping pipe. Through the design of source sedimentation, double filtration self-cleaning and pump filtration separation, blockage and abrasion are effectively prevented, and maintenance work is greatly simplified.

The utility model relates to the technical field of reinforcing steel bar straightening, in particular to a reinforcing steel bar straightening device for civil engineering construction. Under the action of the two first gears, the round roller can drive the first cleaning brush, the second cleaning brush and the straightening roller to rotate in the opposite directions to clean impurities and scrap iron in a groove of the straightening roller, it is avoided that impurities and rust are retained in the groove when a reinforcing steel bar is straightened, the groove of the straightening roller is always in a clean state, and the service life of the reinforcing steel bar is prolonged. Meanwhile, scrap iron and impurities in the groove of the straightening roller can be stirred towards the outer side of the straightening roller during cleaning by the first cleaning brush and the second cleaning brush, the cleaned impurities are prevented from entering the groove again, and when the groove of the straightening roller is cleaned by the second cleaning brush, under the action of a convex block, a ball and a spring, the scrap iron and the impurities are prevented from entering the groove. The brush bristles of the second cleaning brush can rub in the grooves of the straightening roller when the second cleaning brush is used for cleaning, the cleaning effect on the grooves of the straightening roller is enhanced, and the straightening effect of the straightening roller on reinforcing steel bars is guaranteed.

The utility model relates to the technical field of pouring devices, and discloses a civil engineering construction pouring device which comprises a bottom plate, a supporting column is fixedly connected to the bottom plate, a support is fixedly connected to the supporting column, a motor is fixedly connected to the support, the output end of the motor is fixedly connected with a worm, the worm is rotationally connected to the support, and the worm is fixedly connected to the bottom plate. According to the utility model, when the pouring device for civil engineering construction is used, two groups of water spraying heads are designed, and a motor is started to drive an incomplete gear I and an incomplete gear II to drive a rack to enable the two groups of water spraying heads to move back and forth, so that the pouring device can perform more uniform and large-area spraying maintenance on the surface of concrete; therefore, the working efficiency is improved, the concrete surface can be fully wetted in a short time, the cracking problem caused by long-time water evaporation is prevented, meanwhile, the uniformity of concrete surface curing is ensured, and the overall improvement of the concrete quality is facilitated.

The utility model belongs to the technical field of civil engineering, and particularly relates to a civil engineering dustproof device which comprises a bottom plate, a vertical plate is fixedly mounted on the rear side of the upper end of the bottom plate, a transverse plate is slidably mounted on the front side of the vertical plate, a water storage tank is slidably mounted on the front side of the transverse plate, a water injection opening is formed in the upper end of the water storage tank, and a fixing plate is fixedly mounted on the front side of the water storage tank. According to the spraying device, the reciprocating lead screw is driven by the rotating motor to rotate, so that the moving block drives the water storage tank to move left and right back and forth, and meanwhile, the two sliding blocks slide in the two sliding rails along with the movement of the water storage tank, so that the water storage tank stably moves left and right; by means of the device, the water spraying area can be increased, and the dustproof effect can be improved.

This invention discloses a multifunctional three-dimensional warp-knitted geogrid for geotechnical construction, comprising transverse strips, longitudinal strips, and pressure rings. The longitudinal strips are installed inside the transverse strips, and the pressure rings are located at the top of the transverse strips. Limiting strips are fixedly installed inside the transverse strips. Reinforcing crosses are fixedly installed at the top and bottom of the transverse strips, and limiting insertion holes A are formed inside the transverse strips. By inserting a plug into the limiting insertion holes A and B, the position of the combined transverse and longitudinal strips is fixed, and the intersection of the transverse and longitudinal strips is reinforced. Furthermore, when the pressure ring is pressed downwards, the bottom end of the plug can be inserted into the ground surface, thereby improving the stability of the three-dimensional warp-knitted geogrid. Additionally, water seeping into the surface of the transverse and longitudinal strips through the ground can seep downwards through the permeable cotton inside the pressure rings and plugs, improving water permeability and preventing water from remaining in the space where the three-dimensional warp-knitted geogrid is laid, thus ensuring the quality of the civil engineering project.

The utility model provides a dustproof spraying device for civil engineering, and relates to the technical field of dustproof spraying of civil engineering. The dustproof spraying device for civil engineering comprises a power water supply base box, a water ring communicated with the interior of the power water supply base box is rotationally inserted into the upper surface of the power water supply base box, a water plate communicated with the interior of the water ring is fixed to the outer ring face of the water ring, and a water mist spraying plate communicated with the interior of the water plate is rotationally connected to the upper end of the water plate; a three-fork rod is fixedly connected to the end, close to the water ring, of the water mist spraying plate, a double-face gear ring is rotationally inserted into the upper surface of the water ring, and a single-face gear ring is fixedly installed on the inner ring face of the water ring. According to the dustproof spraying device for the civil engineering, by arranging a power structure, a reciprocating structure, a transverse frame and a three-fork rod, a water mist spraying plate intermittently rotates around the axis of a water ring, after the water mist spraying plate stops rotating, the water mist spraying plate swings up and down again, and it is guaranteed that the water mist spraying plate can spray water mist at the vertical height of each position.

The utility model discloses a kind of earthwork thickness detectors for supervision of civil engineering, belong to building construction technical field, including detection rod and spade head, the spade head is connected in the below of detection rod, for shoveling out soil;Still include positioner, the positioner is equipped with the limiting slot of up and down through, the spade head can be inserted into and extended from limiting slot;The below of the positioner is equipped with plug-in rod, the plug-in rod can be inserted into soil, the positioner is fixed. The earthwork thickness detector for supervision of civil engineering of the utility model example, the detector can effectively reduce the probability of angle deviation inclination in drilling process, to improve the accuracy of detection.

The present application provides a pile-slab roadbed structure and a construction method thereof, and relates to the field of civil engineering. The pile-slab roadbed structure is suitable for being arranged on the side of the seawall close to the open sea, and includes a cushion layer, and a first suppression platform and a main body arranged on the cushion layer in sequence from the open sea side to the seawall; the main body includes a bottom plate auxiliary structure, a pile-slab structure and a road structure arranged on the ground, and the pile-slab structure includes a bottom plate, a side wall and bored piles placed on the bottom plate auxiliary structure, and the end of the bottom plate away from the seawall is connected to the side wall and forms an L shape with the side wall, and the end of the seawall close to the open sea side, the side wall and the bottom plate jointly form a structural groove, and the road structure is arranged in the structural groove, and one end of the bored pile is connected to the bottom plate, and the other end passes through the bottom plate auxiliary structure and the cushion layer in sequence and then extends downward to the bearing layer. The pile-slab roadbed structure can not only effectively save land but also has better stability, and the construction method is simple, controllable and efficient.

The invention relates to the technical field of civil engineering material testing, and provides an earth-rock mixture multi-flow-state flow potential testing device and method. The soil-rock mixture multi-flow-state flow potential testing device comprises a pressure chamber, a longitudinal loading assembly, a confining pressure loading assembly, a water pressure measuring assembly, a voltage measuring assembly, a permeability coefficient measuring assembly, a pressure supply assembly and a temperature control assembly. The earth-rock aggregate multi-flow-state flow potential testing device can comprehensively and accurately reflect the seepage characteristics of the whole interior of an earth-rock dam, and therefore the actual requirement of engineering for earth-rock dam seepage safety evaluation is met. In addition, the invention further provides a method applied to the multi-flow-state flow potential testing device for the earth-rock aggregate.

The utility model provides an unloading platform for civil engineering, which belongs to the technical field of civil engineering and comprises a cart, a box body, a sliding table, a pushing plate, a vibrating mechanism and a fixing device, the box body is fixedly arranged on the cart, the sliding table is fixedly arranged on the box body, the pushing plate is movably arranged in the box body, and the pushing plate is in sliding connection with the sliding table through a sliding block; the vibrating mechanism comprises two groups of vibrating assemblies which are symmetrically distributed; each vibrating assembly comprises a transmission rod, a guide rod, a sliding rod, a vibrating rod and a guide roller; the fixing device comprises a fixing frame, a fixing rod and a magnetic block. The electric lead screw sliding table drives the pushing plate to move, gravels in the box body are pushed to be unloaded, the pushing plate can clean the gravels on the inner wall of the box body in the unloading process, the pushing plate can drive the vibration rod to do reciprocating motion in the moving process, then the outer wall of the box body is knocked to a certain degree, and the gravels in the box body can be cleaned. Therefore, sand and stones on the inner wall of the box body are loosened, and the cleaning effect of the pushing plate on the interior of the box body is improved.

The utility model relates to the technical field of civil engineering, disclose a prevent water accumulation coal conveying trestle ground structure for coal conveying civil engineering of thermal power, including bridge body, the bottom left and right sides of bridge body all are seted up and have drainage groove, the top of drainage groove is fixedly connected with fixed short board, the top of fixed short board is fixedly connected with motor no. 2, the output of motor no. 2 is fixedly connected with bevel gear no. 1, the bottom left and right sides of fixed short board all are fixedly connected with support plate, the bottom of support plate is rotatably connected with threaded column, the outer wall adjacent end of threaded column all are fixedly connected with bevel gear no. 2. In the utility model, through the removal of block and brush clean drainage groove inside along with it removes, thereby avoided because the drainage groove of bridge body, in long time experiences rainwater and the flow of impurity and discharges, and impurity will gradually carry out the accumulation adhesion in drainage groove, thereby causes the drainage groove to happen and blocks, causes the problem of the subsequent drainage waterproof work of the inconvenience.

The utility model discloses a kind of drainage plate of geotextile collapse prevention, relate to civil engineering material technical field, comprising: drainage plate body;Fender, the edge position of drainage plate body upper surface is provided with fender, the bottom position of the periphery of fender is opened with four drainage grooves, the periphery of fender and located above four drainage grooves is opened with four fixed grooves, and detachably setting is provided with fixed strip in each fixed groove on fender;The utility model embeds protruding portion of geotextile body edge into the fixed groove opened on fender, then fixes fixed strip on fender by multiple countersunk head screws, so that fixed strip is compacted and fixed to each side of geotextile body, so that geotextile body is in the state of tight, then cooperate with multiple convex columns, to prevent geotextile body from collapsing under the action of soil pressure.

The utility model belongs to the technical field of civil engineering, and particularly relates to a cofferdam lowering device and a cofferdam lowering system thereof. The cofferdam lowering device comprises a supporting unit, a lowering unit and a spacing unit. The supporting unit comprises a pile casing, the bottom of the pile casing is fixed in a riverbed, and the top of the pile casing extends out of the water surface and is used for installing the lowering unit; the lowering unit comprises a supporting beam and a jack; the supporting beam is welded to the top of the pile casing, and the jack is welded to the top of the supporting beam and is close to one side of a cofferdam; each spacing unit comprises a vertical extending piece and a plurality of horizontal connecting pieces, and the vertical extending pieces are installed on the side wall of the pile casing through the horizontal connecting pieces and located on the side, facing the cofferdam, of the pile casing; the length of the horizontal connecting piece in the horizontal direction enables the distance between the purline on the inner side of the cofferdam and the vertical extending piece to be 9-11 cm.

The utility model provides a template fixing structure for civil engineering. The formwork fixing structure for the civil engineering comprises a supporting box and two extending plates slidably mounted in the supporting box, connecting columns are fixedly mounted on the outer walls of the sides, away from each other, of the two extending plates, and side edge blocks and connecting blocks are fixedly mounted at the ends, away from each other, of the two connecting columns correspondingly; through holes are formed in the side edge blocks, and inserting rods are fixedly installed on the connecting blocks. The formwork fixing structure for the civil engineering has the advantages of being convenient to operate, capable of rapidly completing splicing and wide in application range.

The utility model relates to the technical field of civil engineering, and particularly discloses a PHC pipe pile grouting device which comprises a PHC pipe body, a feeding hopper is arranged above the PHC pipe body, a feeding pipe is fixedly installed at the lower end of the feeding hopper, a first guide pipe is arranged below the feeding pipe, a second guide pipe is arranged below the first guide pipe, and the second guide pipe is fixedly installed at the lower end of the feeding hopper. Two fixing blocks are fixedly installed at the side end of the feeding pipe, a bearing block is fixedly installed at the lower end of the feeding hopper, and a driving motor is fixedly installed at the upper end of the bearing block. Wherein the two bearing blocks are symmetrically mounted. The cleaning scraping plate is additionally arranged on the grouting device for the PHC pipe pile, so that in the grouting process of the PHC pipe pile, the rotating cleaning scraping plate cleans and scrapes the inner wall of the pipe pile, the phenomenon that concrete is hung on the wall in the grouting process is avoided, the situation that the grouting effect of the pipe pile is affected due to the fact that the concrete adheres to the pipe wall is avoided, and the service life of the pipe pile is prolonged. Therefore, the practicability of the device is improved.

The utility model relates to the technical field of concrete pouring, in particular to concrete pouring equipment for civil engineering construction, which comprises a stirring tank, one end of the stirring tank is fixedly connected with symmetrical L-shaped supports, the bottom ends of the L-shaped supports are fixedly connected with U-shaped connectors, the top ends of the U-shaped connectors are fixedly connected with mounting blocks, and the mounting blocks are fixedly connected with the stirring tank. A pump box is fixedly connected to the top end of the mounting block, an opening and closing door is arranged at one end of the pump box, a handle is fixedly connected to the top end of the opening and closing door, a feeding opening is formed in the top end of the stirring tank, and a hinge is fixedly connected to the end, away from the handle, of the stirring tank. By arranging the stabilizing ring, the conveying pipe, the connecting end, the connecting buckle and the connecting block, a worker firstly connects the stabilizing ring with the conveying pipe, then enables the connecting block to face the connecting buckle on the connecting end, stretches the connecting block into the connecting end, and then clockwise rotates the output pipe to enable the connecting block to enter the connecting buckle, so that the connecting end is connected with the output pipe; and the convenience of the device is improved.

The utility model discloses a concrete stirring device for civil engineering construction, which is characterized in that dust generated when cement and gravel are added and dust generated in a stirring process can be scattered from a feeding hopper, and at the moment, a negative pressure pumping mechanism and a spraying mechanism are started, so that air carries the dust to flow towards a base plate with holes; when air passes through the base plate with the holes, spraying water of the spraying mechanism sprays and removes dust in the air, the spraying water carrying the dust is finally collected in the water storage tank, and water can be supplemented to concrete in the stirring process through the water supply structure.

The utility model relates to the technical field of grit chambers, and discloses a canal head grit chamber which comprises a grit hopper, the outer surface of the grit hopper fixedly communicates with a water inlet and a water outlet, the upper surface of the grit hopper is rotationally connected with a stirring shaft, and the interior of the stirring shaft is rotationally connected with a grit suction pipe. According to the canal head grit chamber, the vortex effect is formed through the synergistic effect of the stirring shaft and the impeller, rapid sedimentation of coarse particle impurities in water flow is effectively promoted, the grit settling efficiency is remarkably improved, meanwhile, the aim of separating grit water from dirt is achieved through the design of the water filtering holes in the grit discharging pipe, drained water in grit is collected through the water storage tank, and therefore the dirt removal efficiency is improved. The filtered water source is conveyed to the next treatment device through the pumping effect of the water pump, waste of the water source is reduced, sand can be easily dried, follow-up treatment is facilitated, a dirt layer on the inner wall of the sand settling hopper can be automatically scraped off while the stirring shaft rotates through the combined design of the cleaning ring and the scraping plate, and dirt accumulation and channel blockage are prevented.

The utility model belongs to the technical field of marine deposition soft soil solidification, and discloses a civil engineering marine deposition soft soil cement solidification device which comprises a base table, a lifting adjusting assembly, a rotary driving assembly, a drill rod, a drill bit, drill bit blades, a grouting assembly and a cleaning assembly. A lifting adjusting assembly is installed at one end of the base table, a rotary driving assembly is arranged on the lifting adjusting assembly, a drill rod is connected to the rotary driving assembly, a drill bit is installed at the bottom end of the drill rod, drill bit blades are arranged on the drill rod above the drill bit, and the top of the drill rod is connected with a grouting assembly arranged at the other end of the base table. A cleaning assembly is installed at the position, corresponding to the drill rod, of the base station, and a through hole allowing the drill rod to penetrate through is formed in the base station at the cleaning assembly. The motor is used for driving the scraping plate to rotate, so that attachments adhered to the drill rod can be scraped off, and when the scraping plate rotates, the attachments are thrown out under the action of centrifugal force, the drill rod is prevented from taking away muddy water, and the use of the drill rod is facilitated.

The utility model relates to the technical field of polishing devices, and discloses a concrete surface polishing device for civil engineering, which comprises a bottom plate, trundles mounted at the bottom of the bottom plate, a water tank mounted at the top of the bottom plate, and a polishing mechanism mounted at the front end of the water tank, a T-shaped pipe is arranged on one side of the vertical plate, water distribution pipes are symmetrically installed at the two ends of the T-shaped pipe, spraying pipes are symmetrically installed at the two ends of the water distribution pipes, and a plurality of nozzles penetrating through the circular plate are installed on the spraying pipes. The front end of the water tank is provided with a driving assembly for driving the polishing mechanism to lift and rotate. The two polishing discs are driven to rotate through the rotary air cylinder, switching between the coarse polishing disc and the fine polishing disc is achieved, convenience and rapidness are achieved, and polishing efficiency is improved.

The invention discloses a broaching type grooving system and a using method, belongs to the field of civil engineering, and particularly relates to the field of wall surface grooving of the civil engineering. Comprising a pulling device, a cutting device and a power source. The pulling device is driven by a power source, and the pulling cutting device penetrates through the foundation wall groove to cut the side face of the foundation wall groove. The wall groove capable of containing the threading pipe is constructed in the side wall of the foundation wall groove, the opening is narrower than that in the prior art, and the problems of surface defects of the facing layer, bulging and loosening of filler and collapse of the threading pipe are solved.

The present invention provides a drip irrigation system for oil-tea camellia trees, which relates to the technical field of drip irrigation systems and includes a headworks. The headworks is used to connect to a water source for water conveyance. The drip irrigation pipe network includes a main pipe, which is connected to the output end of the headworks. A plurality of branch pipes are connected to the main pipe, and a plurality of spiral drip irrigation pipes are connected to the branch pipes. A plurality of drip irrigation holes are symmetrically arranged on the spiral drip irrigation pipes. The input end of the sewage discharge mechanism is connected to the end of the branch pipe, and the output end of the sewage discharge mechanism is connected to the water source. By extracting the water source in the planting area of the oil-tea camellia trees through the headworks and conveying it into the drip irrigation pipe network for drip irrigation of the roots of the oil-tea camellia trees, the dregs in the branch pipes are pushed into the sewage discharge mechanism by the water flow, and then through the guidance and conveyance of the sewage discharge mechanism, the dregs are pushed back to the water source through the water flow, thereby avoiding the blockage of the drip irrigation pipe network by the dregs and realizing the drip irrigation with the water source containing dregs.

The utility model relates to the technical field of civil engineering, in particular to an assembly type hole cover plate for a PHC pipe pile. Comprising a cover plate body and further comprises positioning pieces, the positioning pieces are evenly distributed on the bottom face of the cover plate body in a circumferential mode, and the cover plate body is inserted into an end hole of the PHC pipe pile through the positioning pieces and covers and seals the end hole. The PHC pile covering structure effectively solves the problem that the PHC pile cannot be covered quickly and effectively after construction is completed. And for the problem of different pile hole sizes caused by different pile wall thicknesses, the cover plate is used according to local conditions through the adjusting holes in different positions in the cover plate body, and the applicability is high.

The invention provides a natural water purification, storage and distribution device for construction, and relates to the technical field of building construction water treatment. The container is fixedly arranged on the trailer chassis; the raw water tank, the disinfection tank, the feeding tank and the water purifier are arranged in the container, and the feeding tank is used for feeding a disinfectant into the disinfection tank; the pipe seat is arranged at the tail part of the container, and a first drainage pipe, a second drainage pipe, a third drainage pipe and a fourth drainage pipe are arranged on the pipe seat so as to output water with different water quality grades. The device realizes multi-stage pretreatment, disinfection and fine filtration of natural water and construction reuse water, supplies water in stages according to water demands, reduces tap water consumption, and is suitable for mobile green construction water for municipal and civil engineering.