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24results about How to "Convenient grouting" patented technology
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Construction method for expanding excavation of water-rich soil surrounding rock small-section tunnel and large-section tunnel
ActiveCN119616499AImprove construction safetysmooth connectionUnderground chambersHydro energy generationStructural engineeringWall rock
The invention discloses a construction method for expanding excavation of a large-section tunnel from a water-rich soil surrounding rock small-section tunnel, and belongs to the technical field of tunnel expanding excavation construction.According to the construction method, the small-section tunnel is constructed through an upper step and a lower step, and the large-section tunnel is constructed through the upper step, the middle step and the lower step; the upper step of the small-section tunnel can be obliquely excavated to be connected with the upper step of the large-section tunnel, the upper step of the small-section tunnel is obliquely excavated towards the large tunnel to serve as an advanced pilot tunnel, the working face in the tunnel is increased, the reinforcement condition in the tunnel is formed, construction safety is facilitated, and meanwhile high efficiency of variable-section construction can be guaranteed; and finally, the upper step of the small-section tunnel and the lower step of the large-section tunnel are excavated cooperatively, and the construction steps are clear and reasonable.
Owner:CHINA RAILWAY CONSTR GROUP CO LTD +1
Rock-soil grouting device
ActiveCN222294998Uincrease frictionConvenient groutingClimate change adaptationFoundation engineeringSoil scienceStructural engineering
The utility model relates to the technical field of rock-soil grouting, and discloses a rock-soil grouting device which comprises a grouting pipe, one end of the grouting pipe is fixedly provided with a screw rod, the screw rod is hollow and communicated with the grouting pipe, the other end of the grouting pipe is provided with a cleaning assembly for cleaning the interiors of the grouting pipe and the screw rod, the grouting pipe is provided with a connecting assembly, and the connecting assembly is connected with the screw rod. A plurality of bags are arranged on the connecting assembly, an extrusion assembly enabling the bags to expand is arranged in the connecting assembly, a limiting assembly rotating along the lead screw is arranged on the lead screw, the limiting assembly can enable the extrusion assembly to move along the connecting assembly and limit the extrusion assembly, and the other end of the lead screw fixedly communicates with a feeding pipe. And residual grout and cement particles on the inner wall of the grouting pipe and the inner wall of the lead screw are scraped through the scraping plate, so that the scraped grout and cement particles flow out of the discharging pipe along the inclined grouting pipe and the inclined lead screw, cleaning is convenient, and the grout and cement particles are prevented from being left on the inner wall of the grouting pipe and the inner wall of the lead screw.
Owner:SHANDONG JINLITE CONCRETE CO LTD
Construction process of anti-floating anchor rod and anti-floating anchor rod
PendingCN122257847AImprove the anchoring effectenhanced interactionEarth drilling toolsProtective foundationPre stressRock bolt
This application relates to the field of anti-buoyancy technology in building engineering, and particularly to an anti-buoyancy anchor construction process and an anti-buoyancy anchor, comprising: S1: preliminary preparation; S2: rod assembly; S3: hole drilling and enlarging, drilling a deep hole at a preset position, and after drilling to the target depth, performing end enlarging construction within the enlarged hole depth range to form an anchoring grouting zone; S4: anchor lowering, lowering the finished anchor to the target depth in the hole, at which time the enlarged bladder extends into the sediment at the bottom of the hole; S5: grouting operation, injecting grout into the enlarged bladder through a grouting pipe to expand the enlarged bladder and push the sediment at the bottom of the hole outward until the enlarged bladder is filled with grout, completing the grouting construction in one step, and completing the grouting construction of the gap between the anchor rod and the inner wall of the hole; S6: prestressing locking; S7: casting to obtain the anchor anti-buoyancy system; This application has the effect of reducing the possibility that sediment at the bottom of the hole will combine with the concrete mortar during the grouting process and affect the anchoring effect of the anti-buoyancy anchor.
Owner:BEIJING GEOLOGICAL ENG CO
A folding linear pipe line profile measuring device
The utility model relates to municipal works pipe jacking construction technology field discloses a kind of folding linear pipe jacking line shape measuring devices, including clamping mechanism, folding ruler, adjustable target and the telescopic fixing mechanism for locking the included angle between clamping mechanism and folding ruler;The clamping mechanism is used to clamp the measuring device in the end of pipe wall two sides of construction pipe jacking;Folding ruler one end articulates clamping mechanism;Folding ruler is provided with recess along length direction, and folding ruler is divided into several short rulers, and short ruler is connected with hinge;Laser source and reflector are provided on the adjustable target, and adjustable target is embedded recess to form sliding connection;The telescopic fixing mechanism includes telescopic link and first fixed bolt.The utility model integrates clamping, extension, measurement, target and locking function in one, adapt to the narrow space limit of construction;The short ruler design of folding ruler meets different pipe diameter measurement demand;Telescopic link adjusts included angle, ensures that folding ruler is perpendicular to pipeline axis, reduces inclination error.
Owner:SCEGC MECHANIZED CONSTR GRP COMPANY
A grouting device and method for karst caves in areas with karst tunnel development
ActiveCN118728439BReduce the probability of collapseExcellent adhesionUnderground chambersHydro energy generationShotcreteKarst
The present invention discloses a grouting device and method for a karst cave in a karst tunnel development area, relates to the field of karst cave filling technology, includes a foundation with a karst cave, and also includes a grouting pipe; a ring-shaped plugging plate is slidably installed inside the grouting pipe, and an inner pipe is fixedly installed on the inner ring of the plugging plate. The advantage is that when the present invention is used for grouting in a karst cave, a grouting reinforcement operation can be performed on the inner wall of the karst cave before grouting, thereby improving the adhesion between the mortar and the inner wall of the karst cave during the later grouting, improving the stability of the inner wall of the karst cave, and reducing the probability of collapse of the inner wall of the karst cave. At the same time, grouting can be performed from all sides to the middle, thereby reducing the flow of mortar and improving the mortar filling efficiency. In addition, the distance between the mortar outlet and the bottom of the karst cave can be reduced during grouting, and as the grouting proceeds, the distance gradually decreases, thereby reducing the vibration generated when the mortar falls, which is beneficial to the stability during grouting.
Owner:CCCC SECOND PUBLIC BUREAU FOURTH ENG CO LTD
Composition and application thereof in promoting filling and well cooking of rapeseeds
The invention discloses a composition and application thereof in promoting filling and well cooking of rapeseeds. The composition disclosed by the invention contains ethephon, pyruvic acid, alanine and methionine. The ethephon is compounded with pyruvic acid, alanine and methionine, so that the development and maturation period of rape siliques is shortened, the ripening of rapeseeds is promoted, the filling of the rapeseeds can be promoted, and the thousand seed weight and yield of the rape are further improved; the risk that the thousand seed weight and the yield of the rape can be obviously reduced due to the improper use amount of ethephon which can promote the complete ripening of the rape seeds is avoided. In addition, the composition also has the advantages of being green and safe, and the composition does not contain toxic and harmful components, so that the safety risk possibly caused by ripening the rapeseeds by using herbicides is avoided.
Owner:SOUTH CHINA AGRICULTURAL UNIVERSITY
Repair grouting device for water conservancy construction
ActiveCN222575481Uwell mixedConvenient groutingFoundation engineeringMarine site engineeringArchitectural engineeringStructural engineering
The utility model relates to the technical field of water conservancy construction equipment, in particular to a water conservancy construction repair grouting device which comprises a rectangular frame, moving wheels are installed on the two sides, close to the two ends, of the outer wall of the bottom of the rectangular frame, an installation frame is fixed to the outer wall of the top of the rectangular frame, and a box is inserted in the middle of the installation frame. A feeding hopper is inserted into the outer wall of the top of the box body, a mixing mechanism is arranged on the outer wall of the top of the box body, and a discharging pipe is inserted into the outer wall of the bottom of the box body; the two transverse adjusting mechanisms are horizontally mounted on the inner wall of the rectangular frame; the longitudinal adjusting mechanism is mounted below the transverse adjusting mechanism; the position of the telescopic pipe is adjusted through the first electric sliding rail and the second electric sliding rail, so that accurate grouting is facilitated, and the telescopic pipe can conveniently stretch into a ground seam for grouting through the electric air cylinder.
Owner:夏平
Operation tunnel full-time automatic grouting device based on perturbation control
ActiveCN222596086UImprove maintenance efficiencyConvenient groutingProgrammable logic controllerHeater Rod
The utility model discloses an operating tunnel full-time automatic grouting device based on perturbation control, and particularly relates to the technical field of tunnel engineering, the operating tunnel full-time automatic grouting device comprises an operating tunnel and a PLC (Programmable Logic Controller), and further comprises a monitoring mechanism and an anti-solidification slurry making device, the monitoring mechanism comprises a steel wire rope, the steel wire rope is arranged at the top of a vault of the operating tunnel, and the anti-solidification slurry making device is arranged in the operating tunnel. A measuring unit is installed at the top of the steel wire rope, the anti-solidification slurry making device comprises a slurry pond, a water tank is arranged at one end of the top of the slurry pond, a temperature sensing controller is installed on the outer wall of one end of the water tank, a heating rod is installed at the bottom of the inner side of the water tank, and a sleeve valve pipe is arranged at the liquid outlet end of the bottom of the slurry pond. The settlement state of the tunnel vault can be monitored through the steel wire rope and the measuring unit, the temperature sensing controller can detect the environment so that the heating rod can heat water in the low-temperature state, and the sleeve valve pipe can conduct grouting and maintenance on the bottom of an operation tunnel.
Owner:SINOHYDRO BUREAU 1 CO LTD
Self-buckling grouting connection structure for steel structure modular building
ActiveCN222456363Ureduce accumulationEasy to installBuilding material handlingArchitectural engineeringMechanical engineering
The utility model relates to the technical field of steel structure modular buildings, in particular to a self-buckling grouting connecting structure for a steel structure modular building, which comprises a connecting piece, and the connecting piece is inserted into a mounting cavity of an adjacent module column so as to connect the adjacent module column; the connecting piece comprises a first partition plate, a connecting claw piece and a self-buckling assembly, wherein the connecting claw piece and the self-buckling assembly are fixed to the first partition plate. The connecting claw pieces are arranged along the center line of each first partition plate, and the multiple self-buckling assemblies are arranged around the connecting claw pieces at equal intervals. Buckles are arranged at the two ends of the self-buckling piece set respectively, and the buckles are fixedly connected with clamping grooves formed in the installation cavity. The installation cavities are formed in the module columns and connected through the connecting pieces, installation is easy and convenient, the construction efficiency is improved, the connecting pieces can be fixed after being installed, the upper-layer module can be accurately positioned during hoisting, and accumulation of multi-dimensional construction errors in the installation process can be reduced advantageously.
Owner:CHINA STATE CONSTR HAILONG TECH CO LTD +1
Frost heaving and thaw collapse control system for connecting channel in soft soil area
ActiveCN119663839Akeep heating functionRetaining the bag has heating functionSoil preservationSoil scienceControl system
The invention provides a control system for frost heaving and thaw collapse of a connecting channel in a soft soil area. A slurry discharge pipe fitting; a heating tape; the first digital pressure measuring valve is fixedly mounted on the grouting pipe fitting; the second digital pressure measuring valve is fixedly mounted on the slurry discharging pipe fitting; a grouting machine; a pulp pumping machine; and a controller. The heating belt serves as a heat source, it is guaranteed that slurry cannot be frozen at the initial stage of low-flow grouting, sufficient expansion of the bag is facilitated, hot slurry is continuously injected and discharged, the bag is always kept to have the heating function, a soil layer is heated, and after heating is conducted for a certain time, the soil layer near the bag is melted completely; and the bag is expanded by injecting hot slurry, so that melt collapse soil around the bag can be extruded, filled and supported, the melt collapse degree can be reduced, and the adverse effect of melt collapse on the stability of a foundation near the channel can be reduced.
Owner:CHINA RAILWAY INVESTMENT GRP CO LTD +2
Anti-floating anchor positioning device
ActiveCN224186735URapid mechanical clamping positioningfast positioningProtective foundationBulkheads/pilesElectric machineryStructural engineering
Owner:GUANGDONG HUANKE SPECIAL CONSTR ENG CO LTD
Auxiliary construction device for concrete filled steel tubular column
ActiveCN119466325AConvenient groutingouter wall effectHollow article cleaningBuilding material handlingArchitectural engineeringPipe
The invention belongs to the technical field of auxiliary construction, and discloses a concrete filled steel tubular column auxiliary construction device which comprises a supporting bottom frame, universal wheels are fixed to the bottom end of the supporting bottom frame, a grouting mechanism is fixed to the top end of the supporting bottom frame, and a cleaning mechanism is arranged outside the grouting mechanism. According to the device, when the device conveys concrete through the grouting rod and the grouting head, the concrete is in contact with the transmission blade when moving in the grouting head, and the transmission blade, the transmission rod and the cleaning rod are driven to rotate through the shape of the transmission blade, so that the cleaning rod can be in contact with the edge of an output port of the grouting head during rotation; and the situation that redundant concrete is attached to the edge of the steel pipe when the device is used for pouring the concrete into the steel pipe is avoided, and therefore the purpose that the device conveniently conducts grouting on the steel pipe without affecting the outer wall of the steel pipe is achieved.
Owner:WENZHOU WANPENG WATERPROOF ENGINEERING CO LTD +2
Assembly type damping wall body mounting structure
ActiveCN222375712UGuaranteed compactnessQuality assuranceWallsProtective buildings/sheltersArchitectural engineeringCantilever
The utility model relates to an assembly type damping wall installation structure which comprises an upper cantilever wall, a lower cantilever wall and a viscous damper, a first embedded part is arranged on the right side of the lower end of the upper cantilever wall, a second embedded part is arranged on the left side of the upper end of the lower cantilever wall, the viscous damper is horizontally arranged, and connecting plates are welded to the two ends of the viscous damper. The connecting plates at the two ends are connected with the first embedded part and the second embedded part correspondingly, a post-pouring area is arranged at the ends, away from the viscous damper, of the upper cantilever wall and the lower cantilever wall and is a trapezoidal groove in the middle of the lower end of the prefabricated cantilever wall, and the width of wall limbs on the two sides of the trapezoidal groove of the post-pouring area is equal to 20 mm. The concrete compactness of the wall body and the quality of the wall column are ensured; the on-site construction speed is accelerated, and the flatness of the end face of the wall is structurally guaranteed; the connecting structure required for connecting and fixing the viscous damper and the wall body is pre-embedded in the wall body when the fabricated wall body is manufactured in a factory, so that concrete cracking during installation and complex operation of site construction are avoided.
Owner:CHINA MCC22 GROUP CORP LTD
Deep foundation pit grouting device
ActiveCN222456092UConvenient groutingImprove stabilityExcavationsHydraulic cylinderStructural engineering
The utility model provides a deep foundation pit grouting device which comprises a base plate, a rotating disc is arranged on the inner side of the base plate through a driving mechanism, a grouting mechanism is arranged on the inner side of the rotating disc through an adjusting mechanism, the grouting mechanism comprises a transverse adjusting plate, and a fixing pipe is fixedly installed on one side of the transverse adjusting plate. A transverse adjusting plate is adjusted through a first servo motor, a screw rod and a fixing rod, a connecting pipe is vertically adjusted through a hydraulic cylinder, a telescopic pipe and a vertical adjusting plate, the stability is high, shaking is avoided, and the safety of the device is improved; according to the depth of a deep foundation pit, a plurality of connecting pipes can be spliced in a screwed mode, the lengths of the connecting pipes can be adjusted, the connecting pipes are finely adjusted through the hydraulic cylinders and the telescopic pipes, grouting can be conveniently conducted on different positions through cooperation with the driving mechanism, and practicability is high.
Owner:GEOLOGICAL INVESTIGATION & FOUNDATION CONSTR CO OF HUBEI PROVINCE
Prefabricated part crack repairing device
ActiveCN222628205UEffect of Repairprevent coagulationHollow article cleaningCleaning using gasesRockdustStructural engineering
The utility model provides a prefabricated part crack repairing device, belongs to the technical field of prefabricated part crack repairing, and aims to solve the problem that dust and impurities in cracks are inconvenient to clean. Dust and impurities in cracks may cause certain influence on the repairing effect of the slurry; comprising a frame; an auxiliary assembly is fixedly arranged at the bottom of the frame body, a storage structure is fixedly arranged at the top of the frame body, and a dust removal assembly is fixedly arranged on the outer side of the frame body; a fan, a dust blowing pipe and a dust suction pipe are arranged, dust and impurities in cracks can be blown out through the dust blowing pipe, and then the blown dust and impurities are sucked into a dust removal frame through the dust suction pipe; furthermore, the crack to be grouted can be cleaned during grouting; dust and impurities in the crack can be prevented from influencing the repairing effect of the slurry to a certain extent.
Owner:CHINA RAILWAY 14TH BUREAU GRP CONSTR TECH CO LTD
Crack grouting reinforcing device
ActiveCN222455777UConvenient groutingreduce lossBridge erection/assemblyRoads maintainenceRoad surfaceCement paste
The utility model provides a crack grouting reinforcing device which comprises a fixing bottom plate, a groove is formed in the inner wall of the side end of the fixing bottom plate, a material conveying pump is arranged at the top of the middle of the fixing bottom plate, first mounting blocks are arranged at the tops of the two ends of the groove, threaded rods are arranged on the inner walls of the side ends of the mounting blocks, deflection baffles are arranged at the ends of the threaded rods, and the deflection baffles are arranged on the bottom of the fixing bottom plate. Arc-shaped blocking plates are fixedly connected to the inner walls of the side ends of the deflection baffles, and pipeline fixing pieces are fixedly connected to the inner walls of the middles of the fixing side plates. According to the crack grouting reinforcing device, the position of the deflection baffle can be changed according to the size of a crack through the adjustable deflection baffle, accurate cement paste grouting is facilitated, loss of raw materials is reduced, a road surface can be cleaned in advance through the cleaning roller before grouting work, and the grouting efficiency is improved. And meanwhile, after grouting is completed, through the arranged scraping plate, cement paste obtained after grouting is completed can be subjected to scraping treatment.
Owner:疏桐
Grouting device for karst area of foundation pit
The grouting device for the foundation pit karst area comprises a grouting pipe, an L-shaped supporting frame, an adjusting base, a corrugated pipe, a connecting rod, a reset spring, a movable seat and a round hole, the outer side of the annular face of the grouting pipe is sleeved with the adjusting base, the round hole is formed in the adjusting base, and the adjusting base is connected with the grouting pipe in an attached mode. Fastening threaded holes are formed in the adjusting base and the grouting pipe correspondingly, inclined pipes are arranged on the left end face and the right end face of the grouting pipe correspondingly, connecting pipe openings are fixed to the tail ends of the inclined pipes, the connecting pipe openings are connected with connectors in an attached mode, corrugated pipes are arranged at the tail ends of the connectors, and L-shaped supporting frames are installed on the left end face and the right end face of the adjusting base correspondingly. The lower end face of the L-shaped supporting frame is provided with grout outlet bases, a connecting rod is installed between the grout outlet bases, the interiors of the grout outlet bases are movably connected with movable bases, grout outlets are formed in the movable bases and the grout outlet bases, the grout outlet speed and the grout outlet angle can be adjusted through the design, a constructor can conduct grouting on foundation pits of different sizes conveniently, and practicability is good.
Owner:GUIZHOU XINJIANG MINE SUPPORT TECH CO LTD
An experimental device and method for magnetic slurry crack grouting and filling
ActiveCN114486641Bavoid disturbanceGuarantee the quality of the projectWater resource assessmentPermeability/surface area analysisClassical mechanicsAir pump
The present invention provides an experimental device and method for grouting and filling of fissures with magnetic slurry, which comprises a steel truss, on which a fissure seepage visualization device and a camera to be tested are mounted, and the fissure seepage visualization device is connected to the bottom slurry outlet of a multifunctional pressure grouting pot through a grouting pipe, and the top of the multifunctional pressure grouting pot is connected to a pressure pipe, and the pressure pipe is connected to an air pump. The flow trajectory and filling area law of magnetic slurry under different grouting pressures are established, and a radial diffusion model of fissure slurry grouting is established; slurry ratio parameters are provided for different forms of fissure grouting repair projects, so as to achieve better filling inside the cracks, ensure the repair quality and reduce the cost at the same time.
Owner:CHINA THREE GORGES UNIV
Overhead line iron tower foundation structure and construction method thereof
PendingCN121952140Areduce moisture contentHigh porositySoil preservationSoil porosityMesh reinforcement
The invention provides an overhead line iron tower foundation structure and a construction method thereof, and belongs to the technical field of overhead line iron towers, and the construction method comprises the following steps: a foundation pit is excavated, the bottom of the foundation pit is pretreated with acid liquor and alkali liquor in sequence, grouting is performed after heating and drying, a grouting cushion layer is obtained, and slurry adopted for grouting comprises silica fume, sodium hydroxide, an aluminum source and water; foundation bolts are inserted into the set positions of the grouting cushion layer, a reinforcing mesh is laid, concrete pouring is conducted, column foot connecting parts are installed on the foundation bolts, and the iron tower foundation structure is manufactured; and the foundation pit is filled with non-frost heaving soil to be compacted. The grouting cushion layer is prepared by grouting the bottom of the foundation pit, and the dense grouting cushion layer is formed after the slurry is injected into the soil layer pores, so that the porosity of the soil layer is reduced, the effective stress is increased, the strength and stability of the soil layer can be improved, and melting settlement deformation can be effectively resisted.
Owner:CHINA ELECTRIC POWER DEV RES INST CO LTD +1
Method for interplanting corn with cumin through drip irrigation under mulch in southern Xinjiang
PendingCN119404719Aincrease profitshorten the timeClimate change adaptationWatering devicesDrip irrigationPlastic mulch
The invention belongs to the technical field of interplanting of cumin and corn, and discloses a planting method for interplanting of cumin and corn through drip irrigation under mulch in southern Xinjiang, comprising the following steps: S1, preparation before sowing: applying a base fertilizer to soil, and performing closed weeding treatment; s2, selecting varieties and treating seeds; s3, mulching film laying and sowing; s4, management after sowing: first water is dripped after the cumin seeds are white, and fertilization is carried out along with water; controlling water and fertilizer before budding from whole seedlings of cumin; after cumin buds appear, second water is dripped, and fertilizer is applied along with water; sowing corn after the second water, dripping third water, and applying fertilizer along with the water; controlling water and fertilizer after third watering and before filling and expanding of the cumin seeds; dripping water after the cumin grains are filled and expanded; s5, cumin harvesting, wherein a harvester is used for threshing and storing; s6, corn single growth period management, wherein after cumin is harvested, water drips, and fertilizer is applied along with water; s7, harvesting the corn; the problems that in an existing cumin planting technology, benefits are low, and the resource utilization rate is low are solved.
Owner:INST OF GRAIN CROPS XINJIANG ACAD OF AGRICLTURE SCI +1
Termite grouting control device
ActiveCN224179014UAchieve groutingConvey evenlyInsect catchers and killersStructural engineeringDrill hole
The utility model provides a termite grouting control device which comprises a grouting cylinder. A stirring assembly is installed in the middle of an inner cavity of the grouting cylinder, a handle is fixedly connected to the surface of the grouting cylinder, a butt joint assembly is installed on the lower portion of the surface of the grouting cylinder, a liquid flowing assembly is installed at one end of the grouting cylinder, and a rotary connecting assembly is installed on the upper portion of the surface of the liquid flowing assembly. A butt joint ring is fixedly connected to one end of the grouting cylinder and matched with one end of an inner cavity of the liquid flowing assembly in an inserted mode. The liquid flowing assembly comprises a liquid flowing pipe, one end of the butt joint ring is matched with one end of an inner cavity of the liquid flowing pipe in an inserted mode, drilling threads are fixedly connected to the surface of the liquid flowing pipe, liquid outlet holes are symmetrically formed in the lower portion of the surface of the liquid flowing pipe, and an auxiliary liquid flowing component is installed on the upper portion of the inner cavity of the liquid flowing pipe. According to the termite nest grouting device, the grouting barrel, the stirring assembly, the butt joint assembly, the liquid flowing assembly and the rotary connecting assembly are matched with one another, and grouting treatment can be conducted on termite nests.
Owner:ANHUI ANJING BIOTECHNOLOGY CO LTD
Device for preventing mud backflow of shield tunnel synchronous grouting pipe and grouting method thereof
ActiveCN115853545Bprevent backflowRealize automatic sealingOperating means/releasing devices for valvesUnderground chambersSlurryShield tunneling
The present application relates to shield tunnel synchronous grouting technical field, especially to prevent the device of shield tunnel synchronous grouting duct slurry backflow, it includes grouting duct, drive part, blocking door body and connecting duct, grouting duct is docked with connecting duct and communicates, and grouting duct and connecting duct are equipped with blocking door body between, blocking door body is rotatably connected with the end of grouting duct, drive part drives blocking door body to rotate to be used for opening or covering grouting duct, at least two pressure sensors are provided on connecting duct;The present application also provides the grouting method of preventing slurry backflow of the device, the device is through setting grouting duct, drive part, blocking door body and connecting duct, blocking door body is rotatably connected with the end of grouting duct, drive part drives blocking door body to rotate to be used for opening or covering grouting duct, grouting, blocking door body is opened by grouting pressure to facilitate grouting, after grouting is completed, drive part drives blocking door body to block grouting duct mouth, to prevent slurry backflow.
Owner:SOUTHWEST JIAOTONG UNIV +2
Grouting head and grouting system suitable for pipe and cable combined type anchoring structure
ActiveCN224120269UConvenient groutingno interference will occurAnchoring boltsStructural engineeringSlurry
The utility model relates to the technical field of supporting structures, in particular to a grouting head and a grouting system suitable for a pipe and cable combined type anchoring structure, the grouting head comprises a grouting head, an outer sleeve and an inner sleeve, a cavity is formed in the grouting head, and a grouting nozzle is arranged on the cavity wall of the cavity in a penetrating mode; the outer sleeve sleeves the outer side of the inner sleeve, a first channel is formed between the outer sleeve and the inner sleeve, and the first channel is communicated with the cavity; the inner sleeve is separated from the cavity; the grouting nozzle is used for receiving external grout and enabling the external grout to enter the cavity, the outer sleeve is arranged on the outer side of the inner sleeve in a sleeving mode, a first channel is formed between the outer sleeve and the inner sleeve, and the first channel is communicated with the cavity, so that the grout entering the cavity flows into the first channel, grouting of the hollow anchor rod is facilitated, further, the inner sleeve is separated from the cavity, and the grouting effect is improved. The anchor cable penetrates through the inner sleeve, the anchor cable is separated from the cavity, and therefore when the grouting head is installed on the pipe-cable combined type anchoring structure, the grouting head and the anchor cable cannot interfere with each other.
Owner:四川川高工程技术咨询有限责任公司 +1
Grouting device for building construction
PendingCN119531603AConvenient groutingfast fallBuilding material handlingHydraulic cylinderArchitectural engineering
The grouting device for building construction comprises a bottom plate and two vibration rods, the upper surface of the bottom plate is fixedly connected with a pushing handle, a fixing frame and four fixing plates, the inner wall of the fixing frame is fixedly connected with two hydraulic cylinders, and the telescopic ends of the two hydraulic cylinders are jointly and fixedly connected with a movable plate; a grouting pipeline is fixedly connected to the inner wall of the movable plate, a bearing is fixedly connected to the inner wall of the grouting pipeline, a supporting plate is fixedly connected to the top end of the grouting pipeline, and a driving motor is fixedly connected to the front face of the supporting plate. Through mutual cooperation of the fixing plate, the winding roller, the fixing cable and the vibration rod, bubbles in concrete grout can be discharged in the grouting process, the use effect of the device is enhanced, the situation that bubbles are easily generated in the grout during grouting work can be effectively avoided, the grout falling speed is low, and the grouting efficiency is improved. And the grouting quality and the grouting efficiency are easily reduced.
Owner:HUBEI TIANSHENG JIAHE CONSTRUCTION ENGINEERING CO LTD