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23 results about "Headworks" patented technology

Headworks is a civil engineering term for any structure at the head or diversion point of a waterway. It is smaller than a barrage and is used to divert water from a river into a canal or from a large canal into a smaller canal.

Concrete building formwork for civil engineering and using method thereof

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.
Owner:CHINA MCC5 GROUP CORP LTD

Multi-section civil engineering safety monitoring instrument embedding and fixing device

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.
Owner:POWER CHINA KUNMING ENG CORP LTD

A foundation treatment method for setting a flywheel energy storage device in a collapsible loess area

ActiveCN119824946BMeet tight deadline requirementsreduce thicknessFlywheel energy storageStructural engineering
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.
Owner:XIAN THERMAL POWER RES INST CO LTD

Foundation pit drainage facility for civil engineering construction

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.
Owner:YANAN ANSAI DISTRICT TIANYUE MUNICIPAL ENGINEERING CONSTRUCTION CO LTD

Reinforcing steel bar straightening device for civil engineering construction

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.
Owner:CHINA CONSULTING ENG MANAGEMENT CONSULTING CO LTD

A multifunctional three-dimensional warp-knitted geogrid for geotechnical construction

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.
Owner:SHANDONG RUNDE COMPOSITE MATERIALS +1

A civil engineering supervision earthwork thickness detector

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.
Owner:ZHEJIANG OPTICAL HOME TECH CO LTD

Device and method for testing multi-flow-state flow potential of earth-rock mixture

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.
Owner:CHONGQING JIAOTONG UNIV +1

Discharging platform for civil engineering

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.
Owner:CHINA NUCLEAR IND HUAXING CONSTR

Water-accumulation-preventing coal conveying trestle ground structure for coal conveying civil construction of thermal power plant

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.
Owner:CEEC NWPC GANSU ENG CO LTD

A geotextile collapse prevention drainage board

ActiveCN224468349UStructural engineeringHeadworks
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.
Owner:SHENYANG HONGCHEN ECONOMIC & TECH CO LTD

Cofferdam lowering device and cofferdam lowering system thereof

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.
Owner:广州宏途设备工程有限公司

Concrete pouring equipment for civil engineering construction

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.
Owner:QINGDAO DAIYUTANG DECORATION ENGINEERING CO LTD

Canal head grit chamber

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.
Owner:FUJIAN ZHONGDI LAND CONSOLIDATION ENG DESIGN CO LTD

Civil engineering marine deposition soft soil cement solidification device

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.
Owner:YUNNAN CONSTR INVESTMENT FIRST SURVEY & DESIGN CO LTD +2

Broaching type slotting system and using method

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.
Owner:TIANSHI CONSTR GRP CO LTD

Fabricated hole cover plate for PHC (prestressed high-strength concrete) pipe pile

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.
Owner:SHANGHAI BAOYE GRP CORP

Natural water purification, storage and distribution device for construction

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.
Owner:CHINA FIRST METALLURGICAL GROUP

Concrete mixer truck cleaning device for civil engineering

The utility model discloses a cleaning device of a concrete mixer for civil engineering. The cleaning device comprises a waste water collecting mechanism and a portal frame type cleaning mechanism, wherein the portal frame type cleaning mechanism is movably arranged on the waste water collecting mechanism, and a plurality of spraying heads are mounted on two sides of the portal frame type cleaning mechanism. The gantry type cleaning mechanism has the following advantages and effects that in the process that the gantry type cleaning mechanism moves back and forth along the supporting base through the walking assembly, due to the fact that waterproof cloth of the water retaining assembly bypasses two reversing shafts, spraying water mist generated in the spraying cleaning process can be blocked by the waterproof cloth, and spraying water is prevented from splashing outwards; meanwhile, in cooperation with the wastewater pool, spraying water can flow into the wastewater pool to be collected through the arrangement of a water leakage grid plate; and in addition, the supporting assembly can support the bottom of the water leakage grid plate, and the auxiliary spraying assembly flushes the water leakage grid plate after descending, so that the structural strength and function diversification of the whole cleaning device are improved.
Owner:XINJING MUNICIPAL HORTICULTURE CONSTR CO LTD

Sediment retention and water diversion system for the headworks of hydropower stations

The present invention belongs to the technical field of water conservancy and hydropower engineering, and specifically is a sand-trapping and water-bending system for the head hub of a hydropower station with good sand-flushing effect and low cost. The sand-trapping and water-bending system can form an effective water diversion and sand-prevention facility with a sand-trapping dam, a water intake, and a sand-flushing gate by setting a mesh-screen slag retaining wall. It is suitable for use in the head hub of a hydropower station for water diversion and sand prevention, and is particularly suitable for use in sediment rivers with steep gradients. Since the sand-trapping and water-bending system can effectively block large-particle bedloads by setting a mesh-screen slag retaining wall, and can effectively prevent sediment from entering the water intake together with the sand-trapping dam, it ensures that the water intake is "clear" and has a good sand-flushing effect. Therefore, there is no need to arrange a slag retaining dam at the tail of the reservoir upstream of the head hub of the hydropower station, which makes the project layout simple, the construction convenient, the cost low, and can save construction time and investment.
Owner:CHINA HYDROELECTRIC ENGINEERING CONSULTING GROUP CHENGDU RESEARCH HYDROELECTRIC INVESTIGATION DESIGN AND INSTITUTE

Foldable sand screening device

The utility model discloses a foldable sand screening device which comprises a screening frame, a screening net, a bottom output assembly, a first connecting shaft, a supporting frame, a second connecting shaft and a connecting rod. The screening frame is of a frame type structure, and the screening net is detachably embedded in the screening frame. The two sides of one end of the screening frame are rotationally connected with one ends of the pair of supporting frames through first connecting shafts correspondingly, the two sides of the other end of the screening frame are rotationally connected with one ends of the pair of connecting rods through second connecting shafts correspondingly, and the other ends of the pair of supporting frames are detachably connected with the other ends of the pair of connecting rods correspondingly. The screening frame, the pair of supporting frames and the pair of connecting rods form a triangular support structure, so that the screening net is obliquely arranged. The bottom output assembly is installed at the lower end of the screening frame, and a feeding port of the bottom output assembly faces the lower end of the screening net. The utility model relates to the technical field of civil engineering, and can solve the problem that a gravel screening device in the prior art is large and heavy.
Owner:CHINA CONSTR EIGHTH ENG DIV CORP LTD ZHEJIANG CONSTR CO LTD

Continuous open caisson type construction structure of underground storage pond and construction method of underground storage pond

The invention discloses a continuous open caisson type construction structure of an underground storage pond. The underground storage pond comprises more than three columnar units which are connected in sequence in the length direction of the cross section; the sizes of the columnar structures corresponding to every two adjacent columnar units in the width direction of the cross section are different; all the columnar units are of an independent open caisson structure during construction and sink in a jumping mode in the length direction of the cross section of the columnar structure; a gap of 2000mm + / -10% is formed between every two adjacent independent open caisson structures; and well wall connecting sections are poured at the positions, corresponding to the side walls of the columnar structures, of the two ends of each gap after sinking of all the columnar units is completed. The characteristics that the well body structure of the open caisson is large in rigidity, underwater bottom sealing of underground water is not needed and the like are fully utilized, the civil engineering amount of foundation pit supporting and a pool body main body structure of a traditional underground storage pond can be reduced, and a large number of potential safety hazards caused by deep and large foundation pit engineering of the traditional underground storage pond can be changed.
Owner:SHANGHAI URBAN CONSTRUCTION DESIGN & RESEARCH INSTITUTE (GROUP) CO LTD

Atomization device for civil engineering construction

The invention relates to the field of atomization and dust fall, and particularly discloses an atomization device for civil engineering construction, which comprises a mist sprayer main body at least provided with an air outlet for exhausting air at a high speed and a water outlet positioned at the periphery of the air outlet; the flow control piece is at least provided with a spiral mist discharging cavity channel which is in butt joint with the air outlet, so that water mist is discharged in a spiral flowing state; a plurality of exhaust ports communicated with the spiral mist exhaust cavity channel are formed in the cavity wall of the spiral mist exhaust cavity channel; the flow guide part is arranged at the discharge port; the flow guide part moves through driving external force, so that the flow guide part blocks or opens the discharge port; when the flow guide piece opens the discharging opening, the flow guide piece is partially located in the spiral cavity channel, and the flow guide piece forms a flow guide face obliquely arranged on the discharging opening. The water mist spraying device has the effect of considering the water mist spraying range and the water mist rapid distribution area.
Owner:HAINING TENGYUE CONSTR CO LTD