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31results about How to "Neat and tidy" patented technology
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System and method for converting steel slag into renewable resources
ActiveCN103555867AEfficient use ofShort processRecycling and recovery technologiesProcess efficiency improvementSlagMagnetic separator
The invention discloses a system and a method for converting steel slag into renewable resources. The system comprises a steel slag powdering system, a steel slag separating system and a tail slag deep processing system, wherein the steel slag powdering system comprises desulphurization slag equipment, converter slag equipment, casting residue equipment and granulation self-extracting equipment which is communicated with the desulphurization slag equipment, the converter slag equipment and the casting residue equipment respectively; the steel slag separating system is connected with the granulation self-extracting equipment and comprises overturn vibration equipment, a magnetic separator, a crushing machine, a rod mill, screening / magnetic separation equipment and material storage equipment, wherein the overturn vibration equipment, the magnetic separator, the crushing machine, the rod mill, and the screening / magnetic separation equipment are led to the material storage equipment; the tail slag deep processing system is connected with a fine tail slag device and comprises a drying mechanism, a coarse grinding mechanism, a fine grinding mechanism, a first winnowing mechanism, a second winnowing mechanism, a first magnetic separation mechanism, a second magnetic separation mechanism and a steel slag fine powder groove. By the combination of the structures of the system, the design construction of the system for converting the steel slag into the renewable resources, which is clean and environment-friendly and reduces occupation space, is realized.
Owner:WISDRI ENG & RES INC LTD
Automatic stacking system for precast pile reinforcement cages
InactiveCN103787087ARealization of automatic stackingReduce security risksStacking articlesEngineeringSeam welding
The invention discloses an automatic stacking system for precast pile reinforcement cages. The system comprises a top hoisting system, a reinforcement cage automatic stacking system and a delivery system. The top hoisting system is a traveling or short-range fixed-point hoisting mechanism. The reinforcement cage automatic stacking system comprises a cage reinforcement stacking area and a rotation carrying mechanism. The delivery system comprises two portions, one portion is called a main delivery mechanism, through which reinforcement cages welded by a seam welding machine are transported to a temporary holding frame and are then hoisted to the stacking area by a hoist, the other portion is an auxiliary delivery mechanism, which comprises operation mechanisms with buffering functions such as belts. According to the system, a rotation shaft is driven by a motor, so that a chain is pulled to rotate, and automatic stacking of the reinforcement cages is achieved; the traveling or short-range fixed-point hoisting mechanism is used, and the running distance is short, so that potential safety hazards of precast pile forming sites can be effectively reduced; the scattered reinforcement cages in the precast pile forming sites are clamped to the cage reinforcement stacking area orderly, and accordingly, production sites can be saved, and the sites are clean and tidy.
Owner:SHANGHAI ZHONGJI PILE IND
Mud circulating method and circulating system for cast-in-place pile construction
The invention discloses a mud circulating method and a circulating system for cast-in-place pile construction. The mud circulating method and the circulating system are applied in construction of direct and reverse circulating drilling cast-in-place piles. According to the mud circulating method disclosed by the invention, mud used for drilling casting is communicated with a mud pool and a drilling machine mud circulating pipeline through a ground circulating pipeline to construct the mud circulating system. The mud circulating system disclosed by the invention comprises the drilling machine mud circulating pipeline and the mud pool, wherein one end of the drilling machine mud circulating pipeline is communicated with a drilling machine, and the other end of the drilling machine mud circulating pipeline is communicated with a mud pump in the mud pool; a mud overflow control valve and a three-way pipe are arranged in the drilling machine mud circulating pipeline; the three-way pipe is communicated with a waste mud pool through a mud discharging valve and a mud discharging pipe; a mud cast-in-place pile hole is communicated with the mud pool through the ground circulating pipeline. The original ground is not damaged, and the original appearance and the completeness of the ground are kept; only constructed pile holes are retained in the site subjected to construction, and the site is neat; therefore the mud circulating method and the mud circulating system can meet a requirement on a safe and civilized construction site, and the construction is greatly facilitated.
Owner:中石化胜利建设工程有限公司
Airtight dust-proof granulation, drying and granule arranging integrated pharmaceutical device
ActiveCN103505371AEffective controlReduce frequent cloggingPharmaceutical product form changeTowerAutomation
The invention discloses an airtight dust-proof granulation, drying and granule arranging integrated pharmaceutical device which is simple and reasonable in structure, airtight and free of pollution in the whole process and high in automation degree. The airtight dust-proof granulation, drying and granule arranging integrated pharmaceutical device comprises a material drying boiling cavity, a granule arranging system and a corresponding control device. The material drying boiling cavity is a tower type integrated drying boiling cavity which comprises an air inlet system, a granulation material bucket component, a middle bucket body component and an air exhausting dust removal system. A material conveying system is arranged between the granule arranging system and the tower type integrated drying boiling cavity, and the material conveying system comprises a conveying channel between the tower type integrated drying boiling cavity and the granule arranging system.
Owner:YICHUN WANSHEN PHARMA MACHINERY
Movable type trolley for bored tunnel construction and construction method of movable type trolley
ActiveCN107630709AImprove work efficiencyReduce loss rateUnderground chambersTunnel liningTunnel constructionMovable type
The invention discloses a movable type trolley for bored tunnel construction. The movable type trolley comprises a trolley portal frame, walking wheels mounted on the lower portion of the trolley portal frame and matched rails adaptive with the walking wheels. Suspension arms extend out of the left side and the right side of the trolley portal frame correspondingly, the suspension arms are connected with a formwork skeleton, and a hydraulic supporting rod is further arranged between the trolley portal frame and the formwork skeleton. In the bored tunnel construction process, if the movable type trolley is adopted to conduct construction, the formwork skeleton can be suspended on the trolley directly through the suspension arms, after the position of the formwork skeleton is adjusted and positioned through the hydraulic supporting rod, a formwork for construction can be directly mounted on the outer side of the formwork skeleton, after that, concrete is poured on the formwork and maintenance is conducted, construction is convenient and rapid, and thus the construction progress can be accelerated greatly. After construction is completed, the formwork is separated from the concrete, the trolley can directly walk to a next construction section to conduct construction after the formwork is taken back, the utilization rate of the device is high, and thus the construction cost is lowered greatly.
Owner:CHINA RAILWAY NO 2 ENG GRP CO LTD +1
Construction process of prestressed static pressure pipe pile
The invention relates to a foundation processing engineering technology, and specifically relates to a construction process of a prestressed static pressure pipe pile, which is characterized in that in construction, the pile pressing force of a pile driver can be not less than 1.2 times the standard value of vertical limit bearing capacity of a single pile, and the deviation of the formed pile is controlled between 2mm and 5mm; the verticality of a pile body is controlled at plus or minus 3mm, and the number of pile extension welding layers is not less than 2; and the time of natural cooling is about 8 to about 10 minutes, and the dislocation deviation of two pile hearts is not greater than 2mm. The method has the beneficial effects that the self weight of a pile driving mechanism of a static pile driver and a counter weight on a pile frame are used as a reaction force to press precast piles into the ground, so that the impact on the surrounding building environment and underground pipelines is reduced, the problems that the pipe pile body is easily broken and crushed or the pipe pile is longitudinally cracked by the too large pile pressing force (clamping force) are solved, and the construction can be carried out in fields in which more underground obstructions or boulders exist.
Owner:马静蓓
Fabricated wallboard and manufacturing method thereof
PendingCN112681566AShorten the construction periodLow costWallsCeramic shaping apparatusRebarMechanical engineering
The invention provides a fabricated wallboard and a manufacturing method thereof. The fabricated wallboard comprises prefabricated wallboard modules, wherein each prefabricated wallboard module comprises an outer frame, embedded steel plates and a filling wall body; the outer frame is formed by pouring reinforced concrete; the embedded steel plates are embedded in the periphery of the outer frame; the filling wall body is filled in the outer frame; the outer side of the filling wall body is adhered to the inner side of the outer frame; and the embedded steel plates of two adjacent prefabricated wallboard modules are welded. According to the fabricated wallboard and the manufacturing method thereof provided by the invention, the construction period can be shortened, the construction cost is reduced, and the construction site is clean.
Owner:HUBEI BIEYIGE STEEL STRUCTURE TECH DEV +1
Multi-row pile foundation pit support structure and its construction method
ActiveCN103074898BSupport structure widthImprove structural rigidityExcavationsEngineeringStructural engineering
The invention relates to a multi-row pile foundation pit support; a plurality of outer-row soil-retaining and water-stopping piles (1), a plurality of middle-row soil-retaining piles (3) and a plurality of inner-row soil-retaining piles (2) of the support structure are lined vertically; pile top ring beams (4) are arranged on the tops of the outer-row soil-retaining and water-stopping piles (1); all outer-row piles are connected into a whole; first connecting beam slabs (51) are arranged on the tops of the middle-row soil-retaining piles (3) and the waists of the corresponding outer-row soil-retaining and water-stopping piles (1) to connect all the middle-row soil-retaining piles (3) with the corresponding outer-row soil-retaining and water-stopping piles (1) into a whole; second connecting beam slabs (52) are arranged on the tops of the inner-row soil-retaining piles (2) and the waists of the corresponding middle-row soil-retaining piles (3) to connect all the inner-row soil-retaining piles (2) with the corresponding middle-row soil-retaining piles (3) into a whole; and inter-pile reinforcing soil (6) is filled between two rows of piles. The multi-row pile foundation pit support structure which is constructed through the method can effectively maintain the stability of a foundation pit and a side slope, and the support in the pit is eliminated.
Owner:JIANGSU HONGJI ENERGY SAVING NEW TECH CO LTD
Precast pile construction method capable of dissipating foundation soil pore water pressure and preventing pile body from floating
InactiveCN111676959AReduce the impactReduce ground upliftProtective foundationBulkheads/pilesPore water pressureStructural engineering
The invention belongs to the technical field of precast piles, and particularly relates to a precast pile construction method capable of dissipating foundation soil pore water pressure and preventinga pile body from floating. By changing the stress state of the precast pile in the construction process, an added drainage plate is attached to the pile body of the precast pile and enters a preset stratum along with pile sinking of the precast pile, and construction equipment does not need to be added, then the pore water pressure generated in foundation soil in the precast pile construction process can be effectively dissipated, floating and horizontal displacement generated in the precast pile construction process are effectively controlled, damage to surrounding adjacent buildings, roads and pipelines is avoided, and the influence on the surrounding environment is reduced.
Owner:中勘冶金勘察设计研究院有限责任公司
Welding, polishing and dust removal integrated platform
InactiveCN111922830AEasy to collectSimple structureEdge grinding machinesGrinding carriagesAir filtrationWater filter
The invention provides a welding, polishing and dust removal integrated platform. The welding, polishing and dust removal integrated platform comprises a polishing platform; a supporting frame is mounted on the polishing platform, and four supporting rods are mounted at the bottom of the polishing platform; an LED explosion-proof lamp is mounted on the polishing platform, and a spark rebounding prevention extra-thick densified iron net is mounted on the inner side of the polishing platform; a one-key full control button is mounted on the front side of the polishing platform, a honeycomb-type high-quality floor platform is mounted on the polishing platform, and a V power socket box is mounted on one side of the one-key full control button. Through the honeycomb-type high-quality floor platform arranged on a funnel, large-particle dust is convenient to collect, through arrangement of a filter mechanism, spark dust smoke containing fine particles enters a cyclone filter pipeline, dust-containing gas enters the filter mechanism after being collected, purified air is filtered and then discharged to the standard, a water filter internal structure is concise, the service life is long, thestability property is good, and vulnerable parts are low in replacement cost.
Owner:湖北纽睿德防务科技有限公司
Artificial feeding method of fragrant pear euzophera pyriella
InactiveCN103609531AEasy to operateDevelopmentally consistentAnimal husbandryArtificial rearingPear tree
The invention provides an artificial feeding method of fragrant pear euzophera pyriella. The method includes screening bacterial strains of pear tree rotting bacteria, and culturing the bacterial strains on a PDA culture medium to be in a bacterial cake state for standby use; enabling pupas of the fragrant pear euzophera pyriella to be transformed into adults through emergence, placing the adults into an insect feeding cage with hydromel according to a female-male ratio of 1:1 for mating, and taking out females after mating and placing the same in a preservation box for oviposition; hatching out larvas after eggs are conventionally disinfected, and connecting the larvas into a culture dish which grows to be a bacterial cake until the larvas are transformed into pupas. The artificial feeding method is simple and convenient, a pear tree rotting bacterium cake is taken as feed of the fragrant pear euzophera pyriella to complete the life story of the fragrant pear euzophera pyriella, and a lot of undamaged eggs and accurate larvas and pupas at all ages can be obtained without damaging the eggs and the larvas. The artificial feeding method has the advantages of short developmental duration, high survival rate and the like, and experimental population is provided for in-depth and systematic study of the fragrant pear euzophera pyriella in the field of biology, ecology, prevention and control technology and the like.
Owner:BEIJING FORESTRY UNIVERSITY
Multifunction pipe rolling machine
The invention provides a multifunction pipe rolling machine which comprises a machine shell, a pressure gage, a plurality of operation keys, a plurality of wear-resisting pipe opening plate and a master gas inlet. The pressure gage, the operation keys, the wear-resisting pipe opening plate and the master gas inlet are arranged on the machine shell. A main control circuit board, a transformer set, a plurality of pipe rolling unit sets and a one-to-more-dividing gas pipe connector are arranged in the machine shell, and a first supporting column and a second supporting column which are used for supporting the pipe rolling unit sets in a connecting mode are arranged in the machine shell. The pipe rolling unit sets are arranged from top to bottom in a layering mode. The master gas inlet is connected with the one-to-more-dividing gas pipe connector through a first connecting gas pipe, and the operation keys are all connected with the main control circuit board. According to the multifunction pipe rolling machine, the pipe rolling unit sets which are arranged from top to bottom in the layering mode are used, gas pipe winding is convenient, pipe shrinking is easy, a protecting mechanism is perfect, mounting is easy, and the product using range is wide.
Owner:王成虎
Tube retaining device
InactiveUS20050115985A1Accelerated settlementLess costFlexible containersPliable tubular containersEngineeringCollapsible tube
After the user folds or rolls the emptied portion of a closed end collapsible tube such as a toothpaste tube a circular, oblong, or flat loop or band of elastic material is stretched over and encircles the folded or rolled emptied portion of said tube to prevent the contents from the unused portion of the tube from being expelled back into the folded or rolled, emptied and retained (by the Tube Retaining Device) portion of the tube. Concurrently, the Tube Retaining Device presents the emptied portion of the tube in a neat and tidy manner. Upon continued expression of material from the tube the elastic band is removed, the tube is once again folded or rolled and the Tube Retaining Device is re-applied. This action is repeated until the contents of the tube are completely expelled. As the spent tube is discarded, the device is removed and then ready for use on another such tube.
Owner:PITCHER LAURENCE SCOTT
High-bearing-capacity micro-settlement shearing resistant prestressed pipe pile and design and construction methods thereof
A high-bearing-capacity micro-settlement shearing resistant prestressed pipe pile is provided with a cylindrical prestressed reinforced concrete pile body and is characterized in that a grouting pipe is arranged in a pipe cavity or the pipe wall of the prestressed pipe pile, a pile large end formed by cement slurry poured in after pile forming is arranged at the end of the pipe pile, and a reinforcement cage is placed into the pipe cavity and concrete is poured when the material strength of the pile body is smaller than the sum of side resistance and end bearing capacity of the soil layer to form a reinforced concrete pile core. Compared with the originally designed punched and drilled pile, the engineering pile production price can be reduced by 50-70%, the construction period is shortened by 60-70%, mud pollution is avoided, the field is clean and civilized, and the post-construction settlement amount is small. Compared with the existing prestressed pipe pile, the single pile bearing capacity of the prestressed pipe pile is greatly improved, the number of the piles used in projects is reduced, production cost is reduced and the construction period is shortened.
Owner:邹宗煊
Large take-up reel used for engineering
The invention provides a large take-up reel used for engineering. The large take-up reel comprises an upper frame, a winding roll, a coil spring and a lower frame, wherein the upper frame, the winding roll, the coil spring and he lower frame are arranged in sequence from top to bottom; the two frames are fixedly connected, a round cavity used for containing the winding roll and the coil spring is formed between the two frames; the opening of the cavity is provided with a line discharging device; the upper frame is provided with a lock mechanism used for controlling the winding roll to rotate; the winding roll comprises a pay-off rack and a connecting shaft; the upper end and the lower end of a connecting shaft are respectively in rotatable connection with the two frames; the inner radial end and the outer radial end of the coil spring are respectively in fixed connection with the bottom of the connecting shaft and the lower frame; one end of a cable passes through the inside of the connecting shaft to be connected with power supply equipment, and the other end of the cable passes through the line discharging device to be connected with electric equipment; when the cable is discharged, the cable drives the winding roll to rotate, energy is stored through the coil spring, and on the contrary, when the coil spring is reset and the winding roll is driven to reversely rotate, a cable take-up work is finished. The large take-up reel is smooth in taking up and paying off, line discharging directions and length can be regulated at will, and a working range is large.
Owner:ZHUZHOU LINCE GRP +1
Cutting cooling liquid
InactiveCN107557131AImprove cycle lifeEmission reductionLubricant compositionLiquid wasteEngineering
The present invention provides a cutting cooling liquid, which comprises, by volume, 10-13% of a lubricant, 4.4-12.5% of a surfactant, 7-18.5% of an antifoam agent, 2-6% of a softener, and 20-25 of anantirust agent, wherein the solvent is deionized water. According to the present invention, during the use, foaming and atomization are not generated, the machine tool is clean, and the place is clean, such that the working environment is improved; and the cutting cooling liquid further has advantages of long circulation service life, waste liquid emission reducing, resource saving, no adding ofsodium nitrite, and safe use.
Owner:天津雅彩科技有限公司
Cutting cooling fluid
InactiveCN107523398AImprove cycle lifeEmission reductionLubricant compositionFoaming agentWorking environment
The invention provides a cutting cooling fluid which comprises the following components in percentage by volume: 10-13% of a lubricant, 4.4-12.5% of a surfactant, 7-18.5% of an anti-foaming agent, 2-6% of a softening agent, 20-25% of an anti-rusting agent and a solvent, namely deionized water. The cutting cooling fluid has the beneficial effects that the cutting cooling fluid has no bubbles and is not misted when used, a machine tool can be clean, an operation site can be clean, and a working environment is improved; the cutting cooling fluid is long in circulation service life, waste liquid emission is reduced, and resources are saved; and the cutting cooling fluid is safe to use as no sodium nitrite is used.
Owner:天津市四海亨通自行车股份有限公司
Multifunctional coiler
The invention provides a multifunction pipe rolling machine which comprises a machine shell, a pressure gage, a plurality of operation keys, a plurality of wear-resisting pipe opening plate and a master gas inlet. The pressure gage, the operation keys, the wear-resisting pipe opening plate and the master gas inlet are arranged on the machine shell. A main control circuit board, a transformer set, a plurality of pipe rolling unit sets and a one-to-more-dividing gas pipe connector are arranged in the machine shell, and a first supporting column and a second supporting column which are used for supporting the pipe rolling unit sets in a connecting mode are arranged in the machine shell. The pipe rolling unit sets are arranged from top to bottom in a layering mode. The master gas inlet is connected with the one-to-more-dividing gas pipe connector through a first connecting gas pipe, and the operation keys are all connected with the main control circuit board. According to the multifunction pipe rolling machine, the pipe rolling unit sets which are arranged from top to bottom in the layering mode are used, gas pipe winding is convenient, pipe shrinking is easy, a protecting mechanism is perfect, mounting is easy, and the product using range is wide.
Owner:王成虎
A cold chain logistics sealing and packaging device
ActiveCN110626565BThe cargo box is neat and orderlyNeat and tidyWrapper twisting/gatheringCold chainLogistics management
Owner:SHANDONG INST OF COMMERCE & TECH +1
Foundation tamping device for garden construction
ActiveCN113638395AImprove efficiencyNeat and tidy landSoil preservationStructural engineeringDrive wheel
Owner:宁波富万信息科技有限公司
Airtight dust-proof granulation, drying and granule arranging integrated pharmaceutical device
ActiveCN103505371BEffective controlReduce frequent cloggingPharmaceutical product form changeTowerPollution
The invention discloses an airtight dust-proof granulation, drying and granule arranging integrated pharmaceutical device which is simple and reasonable in structure, airtight and free of pollution in the whole process and high in automation degree. The airtight dust-proof granulation, drying and granule arranging integrated pharmaceutical device comprises a material drying boiling cavity, a granule arranging system and a corresponding control device. The material drying boiling cavity is a tower type integrated drying boiling cavity which comprises an air inlet system, a granulation material bucket component, a middle bucket body component and an air exhausting dust removal system. A material conveying system is arranged between the granule arranging system and the tower type integrated drying boiling cavity, and the material conveying system comprises a conveying channel between the tower type integrated drying boiling cavity and the granule arranging system.
Owner:YICHUN WANSHEN PHARMA MACHINERY
Reeding frame
The invention discloses a reeding frame which comprises support legs and a support. Stand columns arranged on the two sides of the support are each provided with a support bar perpendicular to the support, and each support bar is provided with limiting grooves used for clamping draft strips; the portion, under each support bar, of the corresponding stand column is provided with a supporting rod in the direction same as the support bar, and a transverse plate is transversely erected on the supporting rods and provided with limiting piles; each supporting rod is composed of a fixed seat and a movable rod, the fixed seats are fixed on the stand columns, each fixed seat is provided with an inserting groove penetrating through the fixed seat in the vertical direction, and the movable rods are inserted into the inserting grooves from bottom to top; limiting columns are clamped into grooves, the movable rods are rotated by taking the limiting columns as shafts, the tail ends of the movable rods abut against the upper tops of cavities, the movable rods located at the other sides of the limiting columns are erected on side openings, and the movable rods are horizontally arranged. According to the reeding frame, the structure is simple, use is convenient, a reeding stool is perfectly replaced with the supporting rods and the transverse plate, the reeding frame can be freely disassembled and arranged in a hidden mode, and the land occupation space of a drafting and reeding frame is reduced, so that a field is tidier.
Owner:安徽江南明泽纺织有限公司
Negative pressure-type automatic machine for taking off shoes used for people with disabled upper limbs
The invention relates to the technical field of automatic machine for taking off shoes, in particular to a negative pressure-type automatic machine for taking off shoes used for people with disabled upper limbs. The technical problem that people with disabled upper limbs take off shoes with great difficulty is resolved. In order to resolve the technical problem, the invention provides the negativepressure-type automatic machine for taking off shoes used for people with disabled upper limbs. The machine comprises a power chamber. The top of the power chamber is fixedly connected with a placement board. The interior of the power chamber is equipped with a negative pressure adsorption mechanism. The top of the placement board is provided with a placement groove. The middle part on the rightside at the top of the placement board is fixedly connected with a shoe heel compaction mechanism. The negative pressure adsorption mechanism is used for adsorption of bottoms of sport shoes. The shoeheel compaction mechanism moves downward to compact tops of shoe heels of sport shoes. Therefore, people with disabled upper limbs can conveniently take off sports shoes. As a result, people with disabled upper limbs do not fall down because unstable standing by avoiding a traditional mode of taking off shoes. Safety is improved.
Owner:杜永和
A system and method for converting steel slag into renewable resources
ActiveCN103555867BEfficient use ofShort processRecycling and recovery technologiesProcess efficiency improvementSlagMagnetic separator
The invention discloses a system and a method for converting steel slag into renewable resources. The system comprises a steel slag powdering system, a steel slag separating system and a tail slag deep processing system, wherein the steel slag powdering system comprises desulphurization slag equipment, converter slag equipment, casting residue equipment and granulation self-extracting equipment which is communicated with the desulphurization slag equipment, the converter slag equipment and the casting residue equipment respectively; the steel slag separating system is connected with the granulation self-extracting equipment and comprises overturn vibration equipment, a magnetic separator, a crushing machine, a rod mill, screening / magnetic separation equipment and material storage equipment, wherein the overturn vibration equipment, the magnetic separator, the crushing machine, the rod mill, and the screening / magnetic separation equipment are led to the material storage equipment; the tail slag deep processing system is connected with a fine tail slag device and comprises a drying mechanism, a coarse grinding mechanism, a fine grinding mechanism, a first winnowing mechanism, a second winnowing mechanism, a first magnetic separation mechanism, a second magnetic separation mechanism and a steel slag fine powder groove. By the combination of the structures of the system, the design construction of the system for converting the steel slag into the renewable resources, which is clean and environment-friendly and reduces occupation space, is realized.
Owner:WISDRI ENG & RES INC LTD
Ground compaction device for garden construction
ActiveCN113638395BImprove efficiencyEasy to useSoil preservationDrive wheelArchitectural engineering
Owner:宁波富万信息科技有限公司
A portable grounding wire device for a substation and its usage method
ActiveCN105870672BEasy piercingIncrease contactContact member assembly/disassemblyElectric connection structural associationsElectricityAlternating current
The invention relates to a portable ground wire connection device for a substation and a use method. Insulating rods are raised with two hands, clamping and embedding parts are hooked on an alternating current phase line of a substation line, the insulating rods are downwards pulled, the alternating current phase line is clamped in two elastic pieces of the clamping and embedding parts to be contacted with sharp teeth, the insulating rods are downwards pulled, connectors II are separated from connectors I, the clamping and embedding parts of the connectors II are firmly suspended on the alternating current phase line of the substation line, ground wire connection can be completed, and overhaul or detection work is performed; when a ground wire is removed, the insulating rods are raised with two hands, the connectors I on the insulating rods are attracted with connectors together, the insulating rods are upwards raised, and the alternating current phase line is separated from the clamping and embedding parts. The portable ground wire connection device is simple in structure and convenient to use and carry, can be used no matter whether oxidation layers exist on the line and whether the line is covered with ice, good contact of a bus with the ground wire of the line can be ensured, sudden electricity supply and static electricity supply due to induction can be prevented, and personal safety of workers on power failure equipment and the line is guaranteed.
Owner:TIANJIN JINYUAN POWER SUPPLY EQUIP CO LTD
A large-scale take-up reel for engineering
Owner:ZHUZHOU LINCE GRP +1
Low-voltage wireless self-walking system and using method thereof
PendingCN111987620ANeat and tidySafe and efficient operationBoards/switchyards circuit arrangementsPower railsTransformerDrive motor
The invention discloses a low-voltage wireless self-walking system and a using method thereof. The low-voltage wireless self-walking system comprises a distribution box; a first transformer is installed on the distribution box and used for converting a power frequency high-voltage power supply input into the distribution box into a low-voltage transmission power supply, and the low-voltage transmission power supply is connected with a track for conduction; the track is connected with the input end of a second transformer, so that a track car can walk on the rail; an electricity collecting claw, a second transformer, a driving motor, a driving wheel and a frequency converter are arranged on the track car; the electricity collecting claw is used for collecting the low-voltage transmission power supply from the rail and transmitting the low-voltage transmission power supply to the second transformer, the second transformer is used for converting the low-voltage transmission power supply collected by the electricity collecting claw into a power-frequency high-voltage power supply and transmitting the power-frequency high-voltage power supply to the frequency converter and the driving motor, and an output shaft of the driving motor is in transmission connection with the driving wheel. Through one-time voltage reduction in the distribution box and one-time voltage boosting in the distribution box of the track car, low-voltage safe transmission is achieved through the rail, a transmission cable is omitted, operation is safer and more efficient, and the track car field is cleaner and tidier.
Owner:XINJIANG GUOTONG PIPELINE CO LTD
Mud-free circle diameter fender post capable of being constructed quickly for soft soil foundation
The invention provides a mud-free circle diameter fender post capable of being constructed quickly for a soft soil foundation. The mud-free circle diameter fender post is characterized in that an outer steel pipe is clamped by a hydraulic clamp of a vibration hammer of a multifunctional pile machine, wherein the outer steel pipe and an inner steel pipe are connected through a flange plate; an openable and closable double-valve which is pulled upwards by two steel wire ropes is arranged at a port of the lower part of the inner steel pipe, and the distance between the inner steel pipe and the outer steel pipe is 20 mm; when the vibration hammer vibrates and presses the double steel pipes downwards, the double-valve is opened, miscellaneous fill, sludge and clay enter the inner steel pipe, the double steel pipes sink to the designed elevation, the two steel wire ropes are tightened, the double-valve is closed, the hydraulic clamp loosens the outer steel pipe, the inner steel pipe and soilin the pipe are lifted upwards to the outside of the post, a reinforcement cage is placed in the outer steel pipe, concrete is poured, then the outer steel pipe is clamped by the hydraulic clamp of the vibration hammer, vibration and upward pulling are conducted, the outer steel pipe is lifted out of the ground, and the post is formed after the concrete is solidified. Compared with an existing common drilling cast-in-place pile constructed through a rotary drilling machine, the mud-free circle diameter fender post has obvious advantages that mud is not generated in construction, the site is clean, the construction speed is increased by 1-2 times, and the outward transport cost is further reduced.
Owner:温州长城基础工程有限公司
An automatic stacking system for prefabricated pile reinforcement cages
InactiveCN103787087BRealization of automatic stackingReduce security risksStacking articlesRebarSeam welding
The invention discloses an automatic stacking system for precast pile reinforcement cages. The system comprises a top hoisting system, a reinforcement cage automatic stacking system and a delivery system. The top hoisting system is a traveling or short-range fixed-point hoisting mechanism. The reinforcement cage automatic stacking system comprises a cage reinforcement stacking area and a rotation carrying mechanism. The delivery system comprises two portions, one portion is called a main delivery mechanism, through which reinforcement cages welded by a seam welding machine are transported to a temporary holding frame and are then hoisted to the stacking area by a hoist, the other portion is an auxiliary delivery mechanism, which comprises operation mechanisms with buffering functions such as belts. According to the system, a rotation shaft is driven by a motor, so that a chain is pulled to rotate, and automatic stacking of the reinforcement cages is achieved; the traveling or short-range fixed-point hoisting mechanism is used, and the running distance is short, so that potential safety hazards of precast pile forming sites can be effectively reduced; the scattered reinforcement cages in the precast pile forming sites are clamped to the cage reinforcement stacking area orderly, and accordingly, production sites can be saved, and the sites are clean and tidy.
Owner:SHANGHAI ZHONGJI PILE IND
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