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46results about How to "Protect the construction environment" patented technology
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Adjustable leveling guide rail and leveling method thereof
InactiveCN101775905AHigh leveling accuracyReduce weightBuilding material handlingClean environmentEngineering
The invention provides an adjustable leveling guide rail. The adjustable leveling guide rail comprises a guide rail beam and a plurality of supporting pieces, wherein each supporting piece comprises a screw rod and a nut; the screw rod is connected with the guide rail beam through the nut; the end part of the screw rod is provided with a fixing block which is hexagonal, tetragonal or triangular; the fixing block is connected with the screw rod in an integral molding mode or the fixing block is detachably connected with the screw rod; and the supporting piece also comprises a positioning piece connected with the screw rod in a fitting mode. The invention also provides a leveling method for realizing the leveling guide rail, namely, the levelness of the leveling guide rail is adjusted by rotating a leveling nut and a positioning nut. In a construction process, instant leveling is realized by clamping the fixing block, fixing the screw rod and adjusting the levelness of the guide rail by screwing the positioning nut and the adjusting nut respectively. The adjustable leveling guide rail has high leveling accuracy, can realize instant leveling in the construction process and has the advantages of low cost, convenient detachment, easy construction, clean environment, green construction and the like.
Owner:HAOHE ENG & CONSTR
Movable roof expansion bolt punching device
ActiveCN103015891AImprove work efficiencyPrevent fallingConstructionsDerricks/mastsPunchingArchitectural engineering
The invention provides a movable roof expansion bolt punching device, which comprises a base, wherein the lower part of the base is provided with a wheel; one side of the base is provided with a handrail; the base is provided with a support tube; and the top of the support tube is provided with an electric drill. Due to the adoption of the movable roof expansion bolt punching device, the working efficiency of roof punching is increased, the construction safety is ensured, the punching accuracy is increased, adaptation to a dark construction environment can be realized, dust is prevented from falling off, and the construction environment is protected.
Owner:GESHAN CONSTR GROUP
Water supply and drainage device for deep foundation pit and construction method based on water supply and drainage device
ActiveCN104846836AEffective isolationExtend your lifeFoundation engineeringEngineeringDrainage tubes
The invention discloses a water supply and drainage device for a deep foundation pit and a construction method based on the water supply and drainage device. The water supply and drainage device comprises a water collecting sleeve and a water suction pump, wherein the water suction pump is placed in the water collecting sleeve; the water collecting sleeve comprises a steel sleeve and a reinforcing bar grid; the reinforcing bar grid is arranged at the lower end of the steel sleeve and is integrally connected with the steel sleeve in a welded manner; the steel sleeve at the upper end of the water collecting sleeve is positioned in structural concrete; the reinforcing bar grid on the lower portion of the water collecting sleeve is positioned in a base below a structural bottom plate; and a plurality of drainage tubes are arranged on the periphery of the base. Compared with the prior art, the water supply and drainage device for the deep foundation pit and the construction method based on the water supply and drainage device have the advantages that a structural reserved hole is omitted, the structural waterproofing and the construction quality are greatly improved, the construction period is shortened, and the cost is reduced.
Owner:CHINA TIESIJU CIVIL ENG GRP CO LTD
Modified low-carbon raw soil cement and preparation method thereof
The invention discloses modified low-carbon raw soil cement and a preparation method thereof. The raw soil cement is prepared from the following raw materials by weight percentage: 40-60% of clay, 20-45% of cement, 0-15% of gypsum, 0-12% of expanding agent and a water reducing agent which is 1-2wt% of the above raw materials; the preparation method can reduce the carbon emission, saves resources and energy, is an energy-saving and environment-friendly material, is different from the existing building materials, has no influence on environment when being discarded, can enter a natural circulation system when being crushed and dispersed in soil, can be utilized in quantity or can contain poor-quality soil, and has good crack resistance and water resistance.
Owner:TIANJIN CHENGJIAN UNIV
Cast-in-place box girder construction method
ActiveCN111851309AImprove integrityAvoid surface waterClimate change adaptationBridge structural detailsArchitectural engineeringRebar
The invention discloses a cast-in-place box girder construction method which comprises the steps that an assembly type foundation is connected with a foundation fastening bolt through a foundation connecting step, and a pier stud hoop is arranged on the outer side wall of a bridge pier stud; position control sand in the fine adjustment sand cylinder is recycled through the leaked sand recycling tank; a bottom plate inner support and a web plate inner support are arranged at the upper parts of the web plate moulding bed and the bottom plate moulding bed; a lower-layer lifting plate, an upper-layer lifting plate and a lifting connecting rod are arranged on the top plate reinforcement cage, and sliding clamping plates are arranged on the two sides of the top plate reinforcement cage; the space position of the outer mold side plate can be controlled by means of the side plate position control tenon and the side plate position control bolt, and the position of the box girder inner mold is controlled through the inner mold supporting body; the sliding material box can move along the limiting sliding rail and is provided with a pouring monitoring pipe. Support frame connecting hinges arearranged between the adjustable support frame and the bottom support frame and between the adjustable support frame and the top support frame, and the inclination angle of the adjustable support framecan be controlled through the angle adjusting vertical bolts and the angle adjusting transverse bolts. The accuracy of reinforcement cage positioning and concrete pouring construction control is improved, and the maintenance difficulty is reduced.
Owner:ANHUI HIGHWAY BRIDGE ENG CO LTD
Movable scaffold
ActiveCN113756553AEasy to moveDoes not affect movementClimate change adaptationScaffold accessoriesClassical mechanicsScaffolder
The invention relates to the field of buildings, and provides a movable scaffold. The movable scaffold comprises a scaffold body, the scaffold body comprises a first vertical frame, a second vertical frame and a connecting piece, the first vertical frame and the second vertical frame are arranged in a spaced mode in the first direction, and the connecting piece is connected with the first vertical frame and the second vertical frame in a hinged mode; the scaffold body can be erected on a slope by adjusting the relative position of the first vertical frame and the second vertical frame; a platform is detachably or rotatably arranged on the scaffold body; a balance supporting assembly is connected with the platform and used for leveling the platform to enable the platform to be located at the horizontal position; and a fastener is used for fixing the platform on the scaffold body. The movable scaffold has the beneficial effects that through cooperation of supporting pieces and the connecting pieces, when the scaffold body stays on the slope ground or moves on the slope ground, the platform can be kept in a horizontal state all the time, constructors on the platform can conduct construction operation conveniently, materials and tools can be placed conveniently, the construction efficiency is improved, and construction is safer.
Owner:NO 1 CONSTR ENG CO LTD OF CHINA CONSTR THIRD ENG BUREAU CO LTD
Cast-in-place polystyrene granular foaming concrete dispersion construction system and method
ActiveCN109016136ALight in massEasy to moveDischarging apparatusMixing operation control apparatusFoam concreteFoaming agent
The invention discloses a cast-in-place polystyrene granular foaming concrete dispersion construction system and method. The system includes a primary stirring device, a secondary stirring device, a hose pump and a polystyrene particle conveying device arranged on the construction floor site, the primary stirring device is arranged on the construction floor site ground, the secondary stirring device, and the hose pump and the polystyrene particle conveying device are arranged on the construction floor. The method comprises the steps that (1), the cement, a waterproofing agent and water are made into waterproof cement slurry through the primary stirring device and transported into a stirring storage tank; (2) the waterproof cement slurry is stirred in the stirring storage tank and enters the secondary stirring device, the polystyrene particle conveying device conveys polystyrene particles into the secondary stirring device, the foaming agent is foamed through a foaming machine, and stirring and mixing are conducted to make a pouring material; and (3) the pouring material is continuously discharged from a discharging opening of the secondary stirring device into the pouring storage tank, enters the hose pump from the bottom of the pouring storage tank, and then is poured into the working face of the construction floor through the hose pump.
Owner:辽宁金帝建筑设计有限公司
Mounting device and mounting method of prefabricated box girder bottom web steel bar framework
PendingCN109968522ASimple structurePrecise positioningCeramic shaping apparatusRebarMechanical engineering
The invention discloses a mounting device and a mounting method of a prefabricated box girder bottom web steel bar framework. The mounting device is characterized by comprising a mounting mold and a corrugated pipe positioning device, the mounting mold comprises a supporting platform, a web steel bar supporting assembly and a bottom plate steel bar positioning assembly, the web steel bar supporting assembly is arranged on the supporting platform and used for positioning and supporting the web steel bar framework, the bottom plate steel bar positioning assembly is arranged on the supporting platform, the bottom plate steel bar positioning assembly is used for positioning the bottom plate steel bar framework, and the corrugated pipe positioning device is used for rapidly positioning the mounting position of a corrugated pipe. The mounting device is simple in structure and accurate in positioning, and the problem that the interval percent of steel bars commonly existing in the installation of the steel bars of a prefabricated box girder is low is solved. According to the mounting method, a constructor does not need to perform marking alignment and interval measurement in the mountingprocess, so that the construction efficiency is greatly improved, and the mounting speed of the box girder steel bar framework can be increased by twice.
Owner:常州新美水务集团有限公司
Water-soluble amino paint
The invention discloses a water-soluble amino paint, which consists of the following components in percentage by weight: 50-56% of water soluble amino resin, 12-18% of titanium dioxide, 0.5-1.0% of polycarboxylate dispersing agent, 2-5% of ethylene glycol-butyl ether, 0.05-1.0% of alkyl phenol polyoxyethylene (10), 1-3% of propylene glycol, 0.05-1.0% of polydimethylsiloxane and 20-45% of de-ionized water. The paint disclosed by the invention is good in construction performance, applicable to many construction methods, bright and smooth in coating appearance, free from shrinkage, bubble and other defects, and excellent in performance; and the paint is free from generation and discharge of methanol in the construction process, so the construction environment is protected and the operation condition is improved, so as to really realize low-toxic and low-pollution production and construction environment.
Owner:YIYANG XIANGRUI TECH
Construction method of inclined cable tower construction structure system
The invention relates to a construction method of an inclined cable tower construction structure system, which comprises the following steps of: 1) construction preparation; 2) arrangement of a combined support frame and a combined grid frame; 3) binding of cable tower steel bars; 4) installation of a tower cable guide pipe; 5) construction of a sliding moulding plate; 6) arrangement of a groutingguide pipe; and 7) concrete maintenance construction of the cable tower. The construction method of the inclined cable tower construction structure system has the advantages that arrangement efficiency of the combined support frame and the combined grid frame can be improved, integrity of the structure can be enhanced, and supporting quality of the sliding moulding plate can be effectively improved; positioning of the cable tower steel bars is accurate, connection is convenient, binding construction quality of longitudinal steel bars and transverse stirrups can be effectively improved, and on-site construction difficulty is reduced; and on-site arrangement of the concrete grouting guide pipe is convenient, an inclination angle of the grouting guide pipe can be dynamically adjusted according to an inclination condition of the cable tower, on-site positioning difficulty is reduced, and concrete pouring quality is improved.
Owner:ANHUI HIGHWAY BRIDGE ENG CO LTD
A kind of wall polishing equipment for decoration engineering
ActiveCN113510551BTake away in timeWon't leakPlane surface grinding machinesGrinding/polishing safety devicesElectric machinePolishing
The invention discloses a wall grinding device for decoration engineering, comprising a main box, a handle is fixed on the outer wall of the main box, a motor is fixed on the inner bottom of the main box, and an output shaft of the motor penetrates the main box The bottom of the handle is fixed with a polishing plate, the outer wall of the main box is fixed with a protective cover, the upper end of the main box is provided with a pumping mechanism, the side wall of the handle is fixed with an exhaust box and a dust box, the A dust removal mechanism and a dust collection mechanism are respectively provided inside the exhaust box and the dust collecting box. The advantage is that the dust generated by cleaning will accumulate inside the protective cover, so that it will not escape at will, which can protect the construction environment and the safety of users, and the dust generated by processing can be taken away in time without affecting processing. When the overall position of the equipment is changed, it will not cause dust leakage, which is convenient for the use of continuous replacement.
Owner:南通东泓建筑装饰工程有限公司
Construction method of comprehensive dewatering and draining system of deep foundation pit
ActiveCN110424428AReduce the likelihood of cloggingReduce the impact of stabilitySewer cleaningFoundation engineeringSupporting systemRetaining wall
The invention relates to a construction method of a comprehensive dewatering and draining system of a deep foundation pit. The construction method comprises the steps of (1) conducting construction preparation; (2) laying retaining wall intercepting and draining system; (3) constructing a cast-in-situ draining ditch; (4) laying a draining blind bitch; (5) laying a water collecting channel and (6)constructing a grouted sealing body in the channel. The construction method of the comprehensive dewatering and draining system of the deep foundation pit has the beneficial effects that a water bodydischarged out by wall side draining pipes is collected by means of side wall intercepting ditches, the water body is converged into ditch bottom settling ponds through connection water pipes, so thatthe influence of the water body on the stability of the foundation pit is lowered, and construction environment is protected; meanwhile, waist beam hanging boards and hanging board base boards are connected with built-in anchor plates preset in cross strut waist beams through hanging board connection bolts, a platform hanger rod and a ditch bottom support plate provide support for the side wall intercepting ditches, so that the layout difficulty of the support system is lowered, and the bearing capacity of the support system is improved; each wall side draining pipe is provided with rectangular or oval water seepage slotted holes, a pipe periphery inverted filter is arranged on the outer side of each wall side draining pipe, and therefore the possibility of clogging of the wall side draining pipes can be effectively lowered.
Owner:瑞洲建设集团有限公司
Wall surface grinding equipment for decoration project
ActiveCN113510551ATake away in timeWon't leakPlane surface grinding machinesGrinding/polishing safety devicesAir pumpDust control
The invention discloses wall surface grinding equipment for a decoration project. The wall surface grinding equipment comprises a main machine box, a grip is fixed to the outer wall of the main machine box, a motor is fixed to the inner bottom of the main machine box, an output shaft of the motor penetrates through the bottom of the main machine box and is fixedly provided with a grinding plate, a protective cover is fixed to the outer wall of the main machine box, an air pumping mechanism is arranged at the upper end of the main machine box, an air exhaust box and a dust collection box are fixed to the side wall of the grip, and a dust removal mechanism and a dust collection mechanism are arranged in the air exhaust box and the dust collection box correspondingly. The equipment has the advantages that dust generated by cleaning can be accumulated in the protective cover, and therefore dust cannot escape randomly, the construction environment can be protected, the safety of a user can be protected, dust generated by machining can be taken away in time, machining cannot be affected, meanwhile, when the position of the whole equipment is replaced, dust leakage cannot be caused, and continuous transposition use is convenient.
Owner:南通东泓建筑装饰工程有限公司
Prefabricated block for bridge expansion joint and using method thereof
The invention discloses a prefabricated block for a bridge expansion joint and a using method thereof. The prefabricated block comprises a steel plate, lifting hooks, a prefabricated slab, a frameworkand a socket, wherein the lifting hooks are symmetrically arranged on the two sides of the prefabricated slab, the steel plate is fixedly connected with the framework, the lifting hooks rare fixedlyconnected with the framework, the socket is located in the middle of the cross section of the prefabricated slab, one ends of the lifting hooks penetrate through the positions near the upper parts ofthe side surfaces of the prefabricated slab, and the other ends of the lifting hooks penetrate through the positions near the lower parts of the side surfaces of the prefabricated slabs, the lifting hooks are of inclined structures on the side surface of the prefabricated slab, and the lower surface of the steel plate coincides with the upper surface of the prefabricated slab. The prefabricated block can be reused, the working efficiency is high, waste materials are prevented from blocking the expansion joint, the construction environment is protected, the flatness of the expansion joint afteruse is high, and the phenomenon that the vehicle jumps when the vehicle passes through the expansion joint is avoided, and due to the fact that the rigid processing mode of the prefabricated block isadopted at the expansion joint, the expansion joint can have a good flatness and initial compaction degree when a paver passes through the expansion joint.
Owner:CHINA MCC17 GRP
Device for replacing loop steel wire rope of cold rolled galvanizing production line and use method of device
The invention discloses a device for replacing a loop steel wire rope of a cold rolled galvanizing production line. The device comprises a stable frame and two turntables, and is characterized in that the stable frame comprises a steel base plate; two steel wire rope roller rotating frames which are linearly and symmetrically arrayed front and back are arranged on the steel base plate; each steel wire rope roller rotating frame is provided with two oppositely arranged brackets with trapezoid sections in an erecting manner; the two turntables are respectively provided with turntable shafts (21); a second bearing (34) is mounted at one end of each turntable shaft; a cranking handle (23) is arranged at each of two ends of a turntable connection rod; therefore, the cranking handles (23) are rotated to drive the second bearings (34) and third bearings (35) to enable steel wire rope roller shafts (41) to rotate. The device for replacing the loop steel wire rope of the cold rolled galvanizing production line and a use method of the device have the advantages that the loop steel wire rope replacement device is simple in structure and convenient to manufacture and use, the working efficiency is improved, the labor intensity of an operator is relieved, and the number of operators is reduced.
Owner:MCC5 GROUP CORP SHANGHAI
Basement shear wall automatic spraying maintenance system and construction method
PendingCN114033195AImprove maintenance effectRealize fully automatic controlFatty/oily/floating substances removal devicesSewerage structuresArchitectural engineeringIntelligent control system
The invention discloses a basement shear wall automatic spraying maintenance system and a construction method, the basement shear wall automatic spraying maintenance system is composed of a water supply system, a spraying system and an intelligent control system, the water supply system is composed of a sump, a reservoir and a sedimentation tank; the spraying system adopts a movable structure; the intelligent control system controls the total duration and waiting time of spraying circulation of the spraying system through the power switch. According to the technical scheme, the automatic spraying system is easy to install and maintain and easy to operate, the labor productivity is greatly improved, the structure in the concrete curing period is always kept in a wet state, the early strength of the concrete rises rapidly under the good curing condition, the concrete has obvious effects of improving the early strength of the concrete and preventing the concrete from generating shrinkage cracks.
Owner:贵州建工集团第四建筑工程有限责任公司
Breaking hammer with induction structure and for pavement construction
PendingCN112376380AReduce the spread of dustProtect the construction environmentRoads maintainenceWater pipeLocknut
The invention discloses a breaking hammer with an induction structure and for pavement construction. The breaking hammer comprises a fixing frame, an atomizing nozzle, a dustproof baffle, a connector,a pressure sensor and a steel chisel, a fixing ring is installed on the left side of the fixing frame through a locking bolt, a water pipe is installed in the fixing ring, and the atomizing nozzle isinstalled at the lower end of the water pipe; and a fixing block is arranged in the middle of the sliding rod, the dustproof baffle is installed at the lower end of the fixing block through a lockingnut, a connector is installed in the middle of the fixing frame, and the pressure sensor is installed in the middle of the connector. The breaking hammer with the induction structure and for pavementconstruction is provided with the water pipe and the atomizing nozzle, water in the water pipe is made into mist through the atomizing nozzle to be sprayed above the breaking position of the steel chisel, dust generated during breaking passes through high-speed mist water flow, and dust diffusion is reduced to the maximum extent, so the construction environment is protected, the influence of dustgenerated by construction on surrounding residents is avoided, and the functionality of the device is improved.
Owner:杭州湘豫科技有限公司
Water supply and drainage device for deep foundation pit and construction method based on the water supply and drainage device
ActiveCN104846836BEffective isolationExtend your lifeFoundation engineeringEngineeringDrainage tubes
The invention discloses a water supply and drainage device for a deep foundation pit and a construction method based on the water supply and drainage device. The water supply and drainage device comprises a water collecting sleeve and a water suction pump, wherein the water suction pump is placed in the water collecting sleeve; the water collecting sleeve comprises a steel sleeve and a reinforcing bar grid; the reinforcing bar grid is arranged at the lower end of the steel sleeve and is integrally connected with the steel sleeve in a welded manner; the steel sleeve at the upper end of the water collecting sleeve is positioned in structural concrete; the reinforcing bar grid on the lower portion of the water collecting sleeve is positioned in a base below a structural bottom plate; and a plurality of drainage tubes are arranged on the periphery of the base. Compared with the prior art, the water supply and drainage device for the deep foundation pit and the construction method based on the water supply and drainage device have the advantages that a structural reserved hole is omitted, the structural waterproofing and the construction quality are greatly improved, the construction period is shortened, and the cost is reduced.
Owner:CHINA TIESIJU CIVIL ENG GRP CO LTD
Dry-soil-removed reinforced concrete screw pile forming device and method
ActiveCN102561341BImprove bearing capacityImprove pile qualityBulkheads/pilesReinforced concreteDry soil
Owner:孔超
Electric rust removing machine
The invention relates to an electric rust removing machine, which comprises a machine body and a machine head, wherein the machine body is fixedly connected with the machine head; the machine body isinternally provided with a speed regulating motor, a speed reducer and a sound insulation cotton; the output shaft of the speed regulating motor is connected with the speed reducer; the sound insulation cotton is attached to the inner wall of the machine body; a transmission mechanism is arranged in the machine head; a rust removing wheel is arranged below the machine head, the transmission mechanism is connected with the speed reducer and the rust removing wheel, a downward protective cover is arranged outside the rust removing wheel, the width of the protective cover is less than the width of the rust removing wheel, the upper part of the machine body is provided with a control switch, the control switch is electrically connected with the speed regulating motor, a scraper is arranged below the machine body, the scraper is rotatably connected with the lower part of the machine body, the scraper is at an acute angle with the rear of the machine body, the scraper is rotated to the maximum position, and the distance between the scraper mouth and the machine body is less than the distance from the bottom of the rust removing wheel to the machine body. The machine is simple in structure, convenient to use, can effectively remove rust, can collect rust, is low in noise when in use, and is beneficial to protecting the construction environment.
Owner:NANTONG ZHONGLV GEAR CO LTD
Rubber check dam capable of being recycled
PendingCN111893959ASimple structureSimple construction operationBarrages/weirsFreeze thawingCheck dam
The invention discloses a rubber check dam capable of being recycled and relates to a check dam capable of being recycled. The invention aims to solve the technical problem that an existing check damcannot meet a joint demand of low transportation and construction costs, short construction period, little maintenance and recycling. The combined rubber check dam capable of being recycled is composed of an integrated vertical rubber bag and a horizontal rubber curtain which are anchored, connected and fixed. Compared with a structure of a conventional check dam, the rubber check dam is simple instructure, the needed manpower and construction hours can be reduced greatly and the transportation and construction costs are lowered. A main body is of a flexible soft shell structure, so that themain body is less affected by freeze thawing erosion. The rubber check dam is simple in construction operation, the construction technique is easily mastered, the construction quality is easily ensured, and the construction efficiency is improved greatly. After exerting benefits, the rubber check dam can be exhausted and taken away for other construction. The rubber check dam can be recycled, andis suitable for being popularized in a large range. The rubber check dam is applied to the field of conservation of water and soil.
Owner:HEILONGJIANG PROVINCIAL HYDRAULIC RES INST
Carbonaceous rock roadbed structure and construction method thereof
ActiveCN111058346AAvoid disintegrationAvoid softeningPaving gutters/kerbsClimate change adaptationSoil scienceCrushed stone
The invention discloses a carbonaceous rock roadbed structure and a construction method thereof. The construction method comprises the steps that a rubble layer is laid on the upper portion of an original roadbed soil layer, a rubble layer, a carbonaceous rock layer, an improved composite soil roadbed and a pavement structure layer are sequentially laid on the rubble layer, and a modified composite anti-seepage curing agent is evenly sprayed to a roadbed slope; the bottom surface of the rubble layer is a slope inclined to the drainage side, and the top of the rubble layer is a step-shaped horizontal slope surface; the top surface of the rubble layer is higher than the water line and is a slope inclined to the drainage side; each layer of slope surface of the carbonaceous rock stratum is aslope inclining to the drainage side, and the top surface of the carbonaceous rock stratum is a horizontal slope surface; the carbonaceous rock roadbed structure further comprises a drainage system. Disintegration and softening of carbonaceous rock are inhibited through the modified composite anti-seepage curing agent layer, the improved composite soil roadbed, the gravel layer and the rubble layer, the waterproof performance is improved, the strength and stability of the roadbed are guaranteed, the quality of the roadbed is improved, meanwhile, the carbonaceous rock and other waste materialsare fully utilized, and the utilization rate of soil resources is increased.
Owner:CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY
Anti-dust device for cement tank
The invention provides an anti-dust device for a cement tank. The anti-dust device for the cement tank comprises a barrel, a dust screen is arranged above the water surface inside the barrel, fixing pins are arranged on the edge of the dust screen, fixing rings matched with the fixing pins are arranged inside the barrel, the dust screen and the barrel are fixed through the fixing pins and the fixing rings, a water outlet is formed in the side face of the lower portion of the barrel, a water outlet cover is arranged on the water outlet, a hook is arranged on the side face of the upper portion of the barrel, and a water bottle is arranged on the hook. The anti-dust device for the cement tank is simple in structure, convenient to use, capable of absorbing cement completely and convenient to clean, leakage cannot be generated, and construction environment is protected.
Owner:谢玉才
Lubricating mechanism oil nozzle structure
InactiveCN106352225AGood fuel injectionProtect the construction site environmentConduits/junctionsEngineeringMetal
The invention provides a lubricating mechanism oil nozzle structure, and relates to improvement of the lubricating mechanism oil nozzle structure. The invention provides a lubricating mechanism oil nozzle structure with simple structure, convenient use and good leakproofness. The lubricating mechanism oil nozzle structure comprises a inner oil tube, a metal sleeve, a ceramic tube, a junction plate, a nozzle, an outer shell, a junction surface, a connection block, a contact surface, a sealing surface, a ring groove, a connecting groove, an arc surface and a soft oil sealing sleeve. The lubricating mechanism oil nozzle structure is characterized in that the inner oil tube comprises the ceramic tube, the metal sleeve is arranged outside the ceramic tube, the connection block is arranged above the metal sleeve through the arc surface, and the connection block is arranged inside the connecting groove which has the nozzle; the sealing surface is arranged between the connection block and the connecting groove; the junction plate is arranged outside the metal sleeve, the soft oil sealing sleeve is arranged between the junction plate and the connection block.
Owner:张桂春
Prefabricated member check dam and preparation method and using method thereof
The invention discloses a prefabricated member check dam and a preparation method and a using method thereof in order to solve the problem that an existing check dam cannot meet the joint requirementsof stability, convenient construction, little investment and universality at the same time. The prefabricated member check dam is composted of a horizontal prefabricated member and a vertical prefabricated member which are integrated; and the top end of the vertical prefabricated member is provided with an overflow port. Compared with a whole grouted rubble structure, man hours of construction are shortened, the needed manpower is extremely little, and the construction quality is guaranteed easily; and constructing operation is easy, the construction technology is easy to master, the construction efficiency is greatly improved, and the prefabricated member check dam is suitable for large-range popularization. The prefabricated member check dam is applied in the water and oil conservationfield.
Owner:HEILONGJIANG PROVINCIAL HYDRAULIC RES INST
A kind of prefabricated part grain workshop and its preparation method and use method
ActiveCN108755597BGuaranteed stabilityImprove stabilityArtificial water canalsCheck damConstruction engineering
The invention discloses a prefabricated member check dam and a preparation method and a using method thereof in order to solve the problem that an existing check dam cannot meet the joint requirementsof stability, convenient construction, little investment and universality at the same time. The prefabricated member check dam is composted of a horizontal prefabricated member and a vertical prefabricated member which are integrated; and the top end of the vertical prefabricated member is provided with an overflow port. Compared with a whole grouted rubble structure, man hours of construction are shortened, the needed manpower is extremely little, and the construction quality is guaranteed easily; and constructing operation is easy, the construction technology is easy to master, the construction efficiency is greatly improved, and the prefabricated member check dam is suitable for large-range popularization. The prefabricated member check dam is applied in the water and oil conservationfield.
Owner:HEILONGJIANG PROVINCIAL HYDRAULIC RES INST
Construction method for integrally pouring prestressed pipe pile with conjoined pile cap
The invention relates to a construction method for integrally pouring a prestressed pipe pile with a conjoined pile cap. The construction method comprises the following construction steps of (1) preparing for construction; (2) driving a pipe pile; (3) annularly cutting off the pile top; (4) arranging a pile cap reinforcement cage; (5) erecting a pile cap formwork; and (6) pouringpile cap concrete. The construction method has the beneficial effects that the driving direction of the pipe pile is controlled through a guide sleeve, and the stability of the guide sleeve can be increased by virtue of a pipe side ballasting body and a support plate anchor bar; and an inner supporting and pressing plate and an inner vertical rod are inserted into a pipe cavity of the pipe pile, vertical support is provided for the inner vertical rod through an inner support rod and the inner supporting and pressing plate, the pile cutting height can be controlled through a vertical position rod, slurry in the cutting process is synchronously recycled through a slurry recycling tank, the pile cutting and positioning difficulty is lowered, and the site construction environment is protected.
Owner:安徽省路港工程有限责任公司
A slotting device for building interior decoration and its operating method
ActiveCN111421671BAvoid human manual controlsImprove groove accuracyWorking accessoriesStone-like material working toolsArchitectural engineeringStructural engineering
The present invention relates to the technical field related to construction machinery, in particular to a slotting device for building interior decoration, which includes an organism, a slotting assembly, a grinding assembly, a driving assembly, a dust collection assembly and a height adjustment assembly. The two output ends of the driving assembly are respectively It is connected with the slotting assembly and the grinding assembly. The slotting assembly includes a vertical slotting disc, which is rotatably mounted on the bottom of the machine body. The grinding assembly includes a vertical grinding disc. There is a dust-absorbing head, which is fixedly installed on the bottom of the machine body. The height adjustment assembly includes a bottom plate that can be lifted vertically. There are several slotted discs and grinding discs. The top of the machine body is hingedly provided with a push handle. The equipment shown improves the accuracy of slotting, reduces labor intensity, and can adjust the number and size of slotting disks according to requirements, which improves the practicability of the equipment. The dust suction component can collect the dust generated during slotting and grinding. The construction environment is protected.
Owner:安徽省凤阳县名城建筑安装有限责任公司
Carbonaceous Rock Subgrade Structure and Its Construction Method
ActiveCN111058346BAvoid disintegrationAvoid softeningPaving gutters/kerbsClimate change adaptationSoil scienceCrushed stone
The invention discloses a carbonaceous rock roadbed structure and a construction method thereof, comprising paving a flake layer on the upper part of the original soil layer of the roadbed, and paving a crushed stone layer, a carbonaceous rock layer, an improved composite soil roadbed and a pavement structure layer on the flake layer in sequence , the subgrade slope is evenly sprayed with modified composite anti-seepage curing agent; the bottom surface of the flake layer is a slope inclined to the drainage side, and the top of the flake layer is a stepped horizontal slope; the top surface of the gravel layer is higher than the water level line, The top surface of the stone layer is a slope inclined to the drainage side; the slope of each layer of the carbonaceous rock layer is a slope inclined to the drainage side, and the top surface of the carbonaceous rock layer is a horizontal slope; the carbonaceous rock subgrade structure also includes a drainage system. The present invention inhibits the disintegration and softening of carbonaceous rock by modifying the composite anti-seepage curing agent layer, improving the composite soil road bed, the crushed stone layer and the flake layer, improves the waterproof performance, ensures the strength and stability of the roadbed, improves the quality of the roadbed, and at the same time Make full use of carbonaceous rock and other waste materials, and improve the utilization rate of soil resources.
Owner:CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY
An earthquake-damaged replaceable steel beam structure
The invention discloses a steel beam structure capable of being replaced due to earthquake damage. The steel beam structure comprises a combined steel beam and a combined floor slab connected with the combined steel beam, wherein the combined steel beam comprises a first end part steel beam, a first energy dissipation section steel beam, a middle section crossing steel beam, a second energy dissipation section steel beam and a second end part steel beam which are sequentially connected, the first end part steel beam and the second end part steel beam are respectively connected with end posts at the two sides, and all the steel beams are an I beam respectively and are easy to repair. Meanwhile, the repair cost is low, the construction period is short, and the steel beam structure is less restricted by climatic conditions.
Owner:HUAQIAO UNIVERSITY
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