65results about How to "Improve grouting efficiency" patented technology

The invention relates to a gob-side entry retaining grouting reinforcement technology in the field of mining engineering, provides a method for grouting reinforcement of a reuse roof of a gob-side entry retaining of a coal mine and accurate control of the grouting amount, and aims to realize real-time monitoring and control of the grouting amount in the grouting process. According to the method, pressure monitoring, flow velocity monitoring, low-frequency electromagnetic wave detection, ultrasonic detection and on-site drilling slurry discharge monitoring are combined, the grouting process is detected in real time through multiple monitoring means, and it is ensured that cement slurry fills cracks and does not flow into a goaf. And meanwhile, cement paste with different particle sizes is adopted for grouting step by step according to the size of the crack, and paste leakage is avoided while the filling effect is guaranteed. The method is suitable for grouting operation under complex geological conditions, has the characteristics of high efficiency and accuracy, and remarkably improves the stability and safety in the use process of a roadway.

The invention discloses a fully weathered granite stratum grouting parameter intelligent optimization method and system, and relates to the technical field of rock mass grouting. The invention discloses an intelligent optimization system for grouting parameters of a fully weathered granite stratum. The intelligent optimization system comprises an initial grouting parameter determination module and an intelligent grouting parameter optimization module, through cooperative work of the grouting reinforcement parameter pre-output model and the grouting reinforcement reaction effect prediction model, intelligent optimization of fully-weathered granite stratum grouting operation is achieved, the reaction influence features in the grouting process are accurately calculated through the steps of data preprocessing, parameter prediction, feature extraction, classified analysis and the like, and the grouting reinforcement effect prediction method is high in practicability. Grouting parameters are adjusted in real time, so that the grouting efficiency and the reinforcing effect are improved, and the safety and reliability of a project are ensured; and meanwhile, the time period of the grouting feedback parameter set X is determined through historical data optimization, and the accuracy and response speed of grouting operation are further improved.

The invention relates to the technical field of goaf grouting, in particular to a goaf grouting process method based on negative pressure drainage, which comprises the following steps: S1, according to a grouting and filling sequence, constructing N central drill holes in a to-be-filled area, and respectively constructing M circumferential drill holes around each central drill hole at proper intervals; s2, after construction of all the drill holes is completed, hole opening grouting devices are installed at hole openings of the grouting holes; an orifice air extractor is mounted at the orifice of the negative-pressure air extraction hole; s3, after preparation is completed, a pumping and drainage test is started; s4, performing grouting operation; s5, at the last stage of grouting, when the orifice air extractor detects the grouting slurry, the negative pressure pumping and drainage operation is ended; and when the grouting completion standard is reached, the grouting operation of the grouting drilling hole is completed. According to the method, multi-channel synchronous grouting can be achieved, the flowing and diffusing speed of grout in the goaf is increased, the flowing speed of the grout in the goaf is increased through negative pressure drainage while it is guaranteed that the grout is diffused evenly and orderly, and the grouting and filling efficiency is improved.

The utility model discloses a grouting device for road and bridge engineering construction, which belongs to the technical field of road and bridge engineering construction and comprises a storage barrel and a mounting seat. The universal wheels are all arranged at the bottom end of the mounting base, the storage barrel is arranged at the upper end of the mounting base, and a discharging pipe is arranged at the bottom end of the storage barrel; the filter plate is arranged in the material storage barrel, and the filter plate is matched with the inner wall of the material storage barrel and located at the upper end of the material storage barrel; according to the utility model, the filter plate can be pushed to move up and down orderly through the driving shaft and the cam which are arranged in the storage barrel, so that not only is the flowability of slurry enhanced, but also impurities or particulate matters in the slurry are effectively screened and filtered, the potential blocking risk of the impurities or particulate matters in the slurry to the grouting device is reduced, the grouting efficiency is improved, and the service life of the grouting device is prolonged. The grouting device for road and bridge engineering construction is better in practicability and convenience in use.

A grouting and jolt ramming device for aerated brick production relates to the technical field of aerated brick manufacturing and comprises a portal frame, a grouting mechanism and a jolt ramming mechanism. A grouting mechanism is arranged at the top of the portal frame and comprises a rectangular grouting pipe and flow dividing flashboards, oblique notches are formed in the two sides of the bottom of the rectangular grouting pipe correspondingly, and the flow dividing flashboards used for sealing the two oblique notches and an opening in the bottom of the rectangular grouting pipe are arranged at the positions corresponding to the two oblique notches correspondingly. The positions, close to the top, of the two sides of the flow dividing gate plate body are correspondingly connected with the rectangular grouting pipes in an overturning mode through hinge shafts. A pipe body of the rectangular grouting pipe is provided with a telescopic cylinder I for controlling the opening or closing of the two shunting flashboards; the jolt ramming mechanism comprises a hanging bracket connected with the portal frame in a lifting mode, and a plurality of vibrating rods are arranged on the outer side, corresponding to the grouting mechanism, of the hanging bracket in an array mode. Slurry can be shunted to the two ends of the aerated brick mold through the shunting gate plate, so that the effect of uniformly distributing the slurry in the mold can be improved, and the grouting efficiency is improved.

The present invention discloses a mobile automatic grouting fire prevention and extinguishing equipment for coal mines. The grouting equipment includes a feeding system, a water supply system, a slurry making system, a pumping system, a control system, and a mobile assembly. First, the feeding system and the water supply system transport loess and clean water respectively, and are provided with a vibration feeding function to accelerate the loess transportation; secondly, the control system monitors and controls the material transportation volume of each system in real time, and adjusts the water-soil ratio of the slurry; thirdly, the slurry making system continuously stirs, mixes and filters the slurry; then, the pumping system uses a plunger pump to pressurize and pump the slurry to the grouting point, and a reducing flange is provided to change the diameter of the slurry delivery pipeline, reduce pipeline wear, and increase the grouting pressure; finally, the system is integrated into a skid-mounted shell and is moved to the grouting site for operation using a trailer. The present invention has a clear structure, is safe and reliable, and realizes large-flow mobile automatic grouting through system design, improves the grouting efficiency, and avoids the problems of excessively high pipeline laying costs and insufficient grouting pressure during long-distance grouting.

The invention provides a tunnel leakage repairing device, and belongs to the technical field of tunnel maintenance. Comprising a grout storage tank, a grouting pump, a grout pumping pipe, a Tesla valve pipe, a grout inlet pipe, a grout return pipe, an expansion joint and a grouting needle, and the grout storage tank is used for storing grouting materials; the grouting pump is connected with the grout storage tank so as to extract grouting materials; one end of the slurry pumping pipe is connected with the grouting pump; a port A and a port B are formed in the two ends of the Tesla valve pipe respectively, and a port C is formed in the middle of the Tesla valve pipe and connected with the other end of the slurry pumping pipe; one end of the slurry inlet pipe is connected with a port B of the Tesla valve pipe; one end of the slurry return pipe is connected with the port A of the Tesla valve pipe, and the other end is connected with the slurry storage tank; the expansion joint is arranged on the slurry return pipe, expands when the pressure inside the slurry return pipe is higher than a first preset pressure and shrinks when the pressure inside the slurry return pipe is lower than a second preset pressure; and the grouting needle head is connected with the other end of the grout inlet pipe. The grouting pressure is easy to control, manpower can be saved, and potential safety hazards are reduced.

The utility model provides a ground drilling, grouting and water plugging device suitable for a metal mine, and relates to the technical field of mine water disaster prevention and control, the ground drilling, grouting and water plugging device comprises a petroleum casing pipe, a grouting drill rod, a rubber umbrella cover, a first grouting device and a second grouting device, the grouting drill rod is arranged in the petroleum casing pipe; the rubber umbrella cover is arranged between the oil casing and the grouting drill rod, the grouting drill rod is sleeved with the rubber umbrella cover, and the arrangement height of the rubber umbrella cover is lower than the top end of the oil casing; the first grouting device is fixedly connected with the grouting drill rod through a pressure-resistant steel pipe; the second grouting device is fixedly arranged on the oil casing pipe, and the connecting position of the second grouting device and the oil casing pipe is lower than the bottom end of the rubber umbrella cover. External incoming water of a broken zone of a mining area can be blocked, the water inrush influence of excavation and construction is reduced, the grouting efficiency is improved, the slurry loss is reduced, and the service life of the mining area is prolonged. Therefore, excavation safety is guaranteed, and construction cost is reduced.

The utility model relates to a material grouting device for hydraulic engineering, and belongs to the technical field of hydraulic engineering. Side baffles are arranged on the bottom supporting plate, linear guide rails are arranged on the inner sides of the side baffles correspondingly, sliding blocks are arranged on the linear guide rails, grouting supporting seats are arranged on the sliding blocks, rotating structures are arranged on the grouting supporting seats, and grouting pipes are arranged on the rotating structures. The grouting pipe has the advantages that the angle of the pipe body is adjusted through the rotating motor, so that the pipe body can conduct grouting on positions with different angles, the problem that in the prior art, a grouting pipe can only conduct vertical grouting is solved, and the requirement for conducting grouting on slopes of buildings such as gates, dams and embankments is met; when grouting is conducted on the set position of the pipe body, the pipe body is driven by the sliding block to move so that the pipe body can meet the grouting requirements of different positions, the problem that in the prior art, workers need to move the base frequently, and consequently the labor intensity is high is solved, and the grouting efficiency is also improved.

The invention belongs to the technical field of water conservancy and hydropower engineering equipment, and discloses a movable grouting device for water conservancy and hydropower construction, which comprises a bracket, a funnel arranged at the top of the bracket, and a support plate I and a support plate II which are fixedly mounted at the bottom of the bracket from top to bottom in sequence, and further comprises an inclined plate I fixedly mounted on the inner wall of the support plate I and an inclined plate II fixedly mounted on the inner wall of the inclined plate II; the first mounting plate is fixedly mounted on the inner wall of the first supporting plate, a vibration mechanism used for defoaming grouting is arranged at the top of the first supporting plate, a bevel gear and a belt transmission system are driven by a motor, vibration treatment of grouting materials is achieved, the special-shaped block rotates along with rotation of an output shaft of the motor, and the grouting materials can be vibrated through the special-shaped block. The inclined side face of the first inclined plate is movably connected with an arc-shaped block through a round rod to drive a connecting plate and a rectangular strip to swing left and right, concrete mortar falling on the first inclined plate is continuously vibrated through the design, air bubbles in the mortar are effectively eliminated, and the quality of grouting materials is improved.

The utility model discloses an anti-clogging screw pile used for a trestle in a complex terrain, which comprises an anti-clogging screw pile body, the anti-clogging screw pile body comprises a pile body, the upper end of the pile body is a pile top, and the lower end of the pile body is provided with a pile tip; the grouting holes are formed in the pile body or the pile tip in a penetrating mode or formed in the pile body and the pile tip; the anti-blocking cover is detachably mounted on each grouting hole; and the prestress bearing part is arranged on the outer surface of the pile body and used for increasing the friction force between the pile body and soil and improving the lateral stability and the bearing capacity of the pile. According to the utility model, blockage in the grouting process can be prevented, and the grouting quality and the construction efficiency are ensured; in addition, the anti-blocking cover can prevent sundries such as soil or gravels in the screw pile from entering the grouting pipeline, the purity of the grouting material is guaranteed, the grouting material can be injected into the screw pile more evenly, and the grouting efficiency and quality are improved.

The utility model discloses a grouting sleeve for detecting grouting fullness, and belongs to the technical field of building construction. Comprising a horizontally-arranged through pipe, a plurality of grouting sleeve assemblies are arranged on the through pipe side by side at intervals, every two adjacent grouting sleeve assemblies communicate with each other through a connecting pipe, each grouting sleeve assembly comprises a lower sleeve perpendicularly arranged on the through pipe in a communicating mode, and the end, away from the through pipe, of each lower sleeve is movably connected with an upper sleeve; grout outlet holes are formed in the side walls of the upper sleeves, the upper sleeves are communicated through a connecting pipe horizontally penetrating through the grout outlet holes, and a sealing cover pipe assembly is further arranged on the penetrating pipe in a communicating mode. The grouting device has the advantages that the number of times of grouting operation is reduced, and meanwhile the grouting efficiency is improved.

The application belongs to the technical field of tunnel and underground engineering disaster prevention and control, and particularly relates to a cement-polyurethane composite grouting material suitable for dense soft rock reinforcement and a preparation method thereof. The composite grouting material is mainly formed by mixing a penetration cross-linking liquid and a grout vein skeleton liquid. The penetration cross-linking liquid is formed by mixing a grouting material A component and a grouting material B component. A semi-prepolymer is obtained by pre-polymerization reaction of a polyisocyanate and a polyether polyol, and then a diluent and a catalyst are added to the semi-prepolymer to obtain the grouting material A component; a surfactant, a retarder and water are mixed to obtain the grouting material B component; and cement and water are uniformly mixed in a certain proportion to obtain the grout vein skeleton liquid. The cement-polyurethane composite grouting material and the preparation method thereof can achieve penetration-splitting composite reinforcement effect when grouting in a dense soft rock poor geological section with strong density and poor permeability, and the grout preparation process and grouting operation steps are more simple and efficient.

The invention relates to the technical field of coal mines, and discloses a coal mine overlying strata separation layer grouting device and a coal mine overlying strata separation layer grouting process. The coal mine overlying strata separation layer grouting device comprises a quaternary unconsolidated formation, a rock stratum is arranged below the quaternary unconsolidated formation, and an overlying strata separation layer space is arranged below a key layer with large thickness and high strength in the rock stratum; drilling grooves communicating with the overlying strata separation space are formed in the quaternary unconsolidated formation and the rock stratum, mounting grooves communicating with the drilling grooves are formed in the top end of the quaternary unconsolidated formation, a sleeve is inserted into the drilling grooves in a penetrating mode, the bottom end of the sleeve extends into the overlying strata separation space, and a grouting auxiliary assembly is installed at the inner bottom end of the sleeve; a stabilizing assembly connected with the mounting groove is mounted at the top end of the sleeve; through the design of the stabilizing assembly, the sleeve can be fixedly installed, the problem that grouting is interrupted due to the fact that the sleeve moves upwards due to the fact that the internal air pressure is increased when grouting is conducted in the overlying strata separation layer space is solved, and the grouting stability and the grouting safety are improved.

The invention discloses a roadway protection coal pillar multi-time multi-stage reuse casing grouting device and method, and belongs to the field of coal mining, the roadway protection coal pillar multi-time multi-stage reuse casing grouting device comprises n grouting sections connected through flange plates, n grouting pipes, 2n-1 expansion capsules and a shell, the grouting pipes are arranged in the shell, the expansion capsules are arranged on the surface of the shell and connected with the grouting pipes through holes in the shell, and the expansion capsules are arranged in the shell. A one-way valve and an explosion valve which are connected with the grouting pipe are arranged on the inner wall surface of the shell; aiming at the circulating crack expansion characteristic of the roadway protection coal pillar and the problems of low efficiency and high cost of the current drilling and grouting technology, the device provided by the invention can be used for sequentially starting and starting the grouting pipe 1, the grouting pipe 2,..., and the grouting pipe n according to the coal wall reinforcing state after the coal wall is formed and mounted, so that the effects of single drilling and multiple grouting are realized. According to the method, expansion of multiple cracks of the coal pillar caused by mining-induced stress can be effectively coped, the hole forming utilization efficiency is improved, and the drilling construction cost is reduced.

The utility model relates to a tunnel centralized slurrying system which mainly comprises an ash storage tank ash conveying system, an automatic slurrying system and a blowdown system, the ash storage tank ash conveying system comprises an ash conveying device and an ash storage tank, and the ash conveying device is used for conveying cement into the ash storage tank; the automatic slurrying system comprises a feeding unit, a high-speed slurrying machine, a centralized control unit and a feeding unit, the feeding unit is connected with the ash storage tank through a pipeline and used for conveying cement to the high-speed slurrying machine, the high-speed slurrying machine is used for automatically slurrying, and the centralized control unit is used for presetting and controlling the conveying amount of the cement and water entering the high-speed slurrying machine. The feeding unit is connected with a discharge port of the high-speed pulping machine, and the feeding unit is used for conveying materials which are made by the high-speed pulping machine to a preset position; the sewage discharge system comprises a sewage discharge pool and a vertical sewage discharge pump, the vertical sewage discharge pump is located in the sewage discharge pool, and the sewage discharge system is used for treating and discharging sewage. The centralized pulping system for the tunnel can greatly save manpower and reduce labor intensity.

The utility model discloses a cast-in-place integrated insulation board which is provided with an insulation main board and a steel wire net frame, a pouring cavity for pouring concrete is formed between the insulation main board and the steel wire net frame, the insulation main board is provided with a reinforcing assembly, and at least part of the reinforcing assembly is located in the pouring cavity. The reinforcing assembly is arranged, at least part of the reinforcing assembly is located in the pouring cavity, when concrete pouring is conducted, the reinforcing assembly located in the pouring cavity is combined with the concrete layer, meanwhile, the reinforcing assembly is fixed to the heat preservation main plate, and therefore the connection relation between the concrete layer and the heat preservation main plate is increased, and the combination stability between the concrete layer and the heat preservation main plate is improved.

The invention discloses a seawall diaphragm engineering grouting method, which comprises the following steps of: 1, drilling, 2, slurrying, 3, grouting and 4, sealing holes, in the step 1, drilling by adopting a rotary drilling machine and a diamond or hard alloy drill bit; in the step of pulping in the second step, pulping materials are weighed according to the proportion, and the weighing error should be smaller than 5%; in the third step of grouting, a bottom-to-top segmented grouting method is adopted for grouting, and pure pressure type grouting is adopted for grouting; when consolidation grouting is carried out, the grouting section of the contact part of the concrete and the bedrock is independently grouted and waits to be solidified; the length of the contact section in the rock is not greater than 2m; in the fourth step of hole sealing, after consolidation grouting is finished, a full-hole grouting hole sealing method is adopted for hole sealing; the method has the beneficial effects that the method is practical, the grouting mode is unique and scientific, the grouting efficiency is improved, and the engineering quality is also improved.

The application belongs to the technical field of goaf grouting and provides a slurry preparation device for coal mine goaf grouting operation, which comprises a support table supported by support legs to be lifted to a position, an annular stirring bin is placed on the top of the support table and is centrally located, a slurry outlet pipe is arranged at the bottom of the stirring bin and penetrates the support table and protrudes downward, a top plate is horizontally located directly above the stirring bin, a stand is arranged along the periphery of the stirring bin, the stand is located between the top plate and the support table and supports the top plate, a stirring frame is located in the stirring bin and is displaced along the circumferential direction of the stirring bin. The tank body of the traditional slurry preparation is changed to a bin body, which greatly increases the slurry preparation capacity, can simultaneously meet the slurry conveying operation of multiple grouting pipes, greatly improves the goaf grouting efficiency, and further changes the stirring mode to ensure the uniformity of the slurry mixing, guarantees the use effect of the slurry, and realizes the goaf grouting filling operation.

This invention relates to the field of construction, specifically to a method for constructing a pressure-bearing composite chamber anchor bolt, comprising the following steps: S1, locating drilling points in the soil layer; S2, drilling holes in the soil layer; S3, placing the anchor bolt into the drilled hole; S4, grouting the chamber of the anchor bolt to expand it, and grouting into the drilled hole; S5, after grouting, applying prestress to the anchor bolt; S6, completing the construction. This invention can calculate the optimal prestress locking value applied to the anchor bolt under different working conditions during anchor bolt construction, thereby maximizing the strength and durability of the anchor bolt.

The utility model discloses a house building engineering structure crack grouting device, which relates to the technical field of building engineering, and comprises a bottom plate, universal wheels with brakes are fixedly connected to the bottom of the bottom plate close to four corners, a push rod is fixedly connected to the top of the bottom plate, a material barrel is fixedly connected to the top of the bottom plate, and the material barrel is totally closed. A large amount of slurry can be stored through the material barrel, the material barrel and a crack can be directly communicated through the discharging pipe, the material conveying pipe and the slurry injection pipe, the movable plate pushed by the first air cylinder is arranged in the material barrel, the movable door is arranged on the movable plate, and the movable door is arranged on the movable plate. Therefore, the movable plate can be pushed through the first air cylinder to extrude slurry, the slurry in the material barrel is directly conveyed into a crack, the slurry can be continuously conveyed for a long time, the slurry supplementing frequency is reduced, the overall grouting time is shortened, use is convenient, and the grouting efficiency is improved.

The invention relates to the technical field of prestressed channel grouting, and specifically to an automatic grouting feeding device for prefabricated prestressed channel of a box girder body, comprising a box girder body, a plurality of grouting ports arranged on the box girder body and a grouting pipe for injecting slurry into the grouting ports, and also comprising a one-way valve arranged at the pipe mouth of the grouting pipe and a connecting unit for connecting the grouting port and the grouting pipe, the connecting unit comprising a connecting pipe coaxially fixedly arranged on each grouting port, a plugging mechanism for closing or opening the grouting port and a triggering mechanism for enabling the plugging mechanism to open the grouting port, the plugging mechanism and the triggering mechanism are both arranged in the connecting pipe, the triggering mechanism comprises a triggering pipe coaxially elastically slidably arranged in the connecting pipe, the triggering pipe is transmission-connected to the plugging mechanism, the valve core of the one-way valve is transmission-connected to the triggering pipe, the grouting pipe is connected to the connecting pipe by a thread, and the device can automatically close or open the grouting port during grouting, thereby saving grouting time and improving grouting efficiency.

The utility model relates to the technical field of coal mine machinery, and discloses a coal mine deep drilling high-pressure grouting stratum lifting double-sleeve structure which comprises a first grouting pipe, the bottom of the first grouting pipe is fixedly provided with a rubber plug seat, the outer wall of the first grouting pipe is provided with three annular grooves, and the outer wall of the first grouting pipe is provided with a rubber plug. The outer walls of the three annular grooves are provided with grouting holes, the sealing performance of the bottom of the first grouting pipe can be enhanced through the design of the rubber plug seat, leakage is prevented in the grouting process, the first grouting pipe has more uniform grouting capacity through the design of the annular grooves and the grouting holes, and in the grouting process, the sealing performance of the bottom of the first grouting pipe is improved. When the grouting device is used, grout can be evenly injected into a stratum through the grouting holes, so that the even grouting effect is achieved, in addition, the rubber sleeve is elastically connected to the outer wall of the annular groove in a sleeving mode, and the first grouting pipe achieves the dynamic sealing and releasing functions in the grouting process through automatic expansion and contraction of the rubber sleeve.

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.

The utility model relates to the technical field of pre-stressed anchor cable grouting operation at the positions of caverns, side slopes and the like in hydraulic engineering, in particular to a rock mass pre-stressed anchor cable grouting system which comprises an intervention pipe, and the two ends of the intervention pipe are connected with a grouting pump pipeline and a slurry inlet pipe embedded in a rock mass respectively. A valve C is mounted on the branch pipe, a valve A and a valve B are mounted on the intervention pipe on the two sides of the branch pipe respectively, and a pressure gauge is further mounted on the intervention pipe. The intervention pipe provided with the valves A-C is arranged on an existing grouting pipeline, so that the quality and pressure of grout can be observed and judged before the grout is discharged into a rock mass, grouting can be carried out according to grouting pressure with different requirements and different pressure stabilizing time, the quality of the grouting grout is guaranteed, the pressure stabilizing time is convenient to monitor, and the grouting efficiency is improved. The fullness of grouting slurry can be improved, and meanwhile the grouting efficiency is improved.

The invention relates to the technical field of water conservancy and hydropower, and discloses a movable multidirectional grouting device and method for water conservancy and hydropower construction.The movable multidirectional grouting device comprises a frame, a stirring mechanism is arranged on the frame and used for stirring and uniformly mixing materials needed during grouting, a clamping mechanism is connected to the stirring mechanism and used for clamping a stirring barrel, and the stirring barrel is connected with a hydraulic cylinder; the stirring mechanism is connected with the stirring mechanism to prevent shaking, the stirring mechanism is connected with the knocking mechanism, the grouting angle can be adjusted, the grouting range can be expanded, the grouting efficiency can be improved, reciprocating rotation can be achieved, the grouting efficiency can be improved, movable grouting can be achieved, and grouting can be conducted without manually pulling a grouting pipe; by means of the device, the grouting pipe can be knocked, adhesion of the inner wall of the stirring tank is prevented through reciprocating knocking, the stirring efficiency is improved, stirring is more uniform, and the stirring material output efficiency can be improved.

The invention relates to the technical field of rock soil, and particularly discloses a photovoltaic flexible support cable-stayed foundation in desert and a construction method thereof, and the foundation comprises a hollow anchor rod, an anchor disc, an upper end spiral blade, a lower end spiral blade, a grouting nozzle and the like. A fixed support is welded on the cable-stayed foundation and is connected with a sliding support above the cable-stayed foundation through a spring; the four cylinders are respectively welded with the push rod and can move along the cable-stayed foundation under the action of external force and the spring; at least two bolt holes are formed in the cable-stayed foundation ground section, and the cable-stayed foundation ground section is connected with a rotary supporting circular plate with a cylindrical equal-diameter rotary through hole. High-pressure rotary jet grouting is carried out on the stratum with the final unfolding depth of the anchor disc, resistance borne by the unfolded anchor disc after the cable-stayed foundation is driven into the stratum is reduced, a soil body is strengthened, and the anti-pulling capacity of the foundation in the desert is improved; the gradual shrinkage type grouting nozzle is combined with the humidity sensor, the grouting amount is accurately controlled, the reinforcing effect is ensured, meanwhile, resource waste is reduced, the stability problem of the desert photovoltaic flexible support foundation is effectively solved, and the overall stability and economical efficiency of the system are improved.

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.

The invention provides a water conservancy flood storage side slope reinforcement construction process method, and relates to the technical field of water conservancy projects, the water conservancy flood storage side slope reinforcement construction process method comprises the following steps: side slope cleaning: firstly, cleaning the side slope surface, and removing stones, weeds and obstacles causing obstacles for side slope reinforcement; a drainage ditch is arranged outwards in the position 1-1.5 m away from the outer edge of the side slope in the direction perpendicular to the side slope, the depth of the drainage ditch is 80-100 mm, and a cover plate is arranged on the upper surface of the drainage ditch in the direction of the drainage ditch; the depth of each drainage pipe is 60-80 mm, the inner diameter of each drainage pipe is 35 mm, and the distance between every two drainage pipes is 50-70 cm; water diversion geotechnical cloth is laid, specifically, the water diversion geotechnical cloth is laid after completion, and the water diversion geotechnical cloth is flattened and then compacted to be compact; before the side slope protection layer is solidified, pre-grouting is conducted through the grouting holes, gaps among side slope soil particles are filled and compacted, then concrete is sprayed after the geotechnical cloth is laid, the connection strength is further improved, and the service life of the side slope protection layer is prolonged.

The utility model discloses a foundation pit grouting device, relates to the technical field of building construction, and provides the following scheme aiming at the problems of non-uniform grouting and influence on reinforcing effect caused by insufficient stirring time in the prior art: the foundation pit grouting device comprises a bottom plate, fixing mechanisms are symmetrically arranged on two sides of the bottom plate, and the fixing mechanisms are telescopic fixing structures; the fixing mechanism is used for fixedly placing the bottom plate, the circulating mechanism is arranged above the bottom plate, the circulating mechanism is of a spiral conveying structure, the stirring barrel is arranged at the upper end of the circulating mechanism, and the stirring mechanism is arranged in the stirring barrel. The conveying rod rotates along with the linkage belt to conduct secondary stirring on the grout to crush grout cakes, the grout is injected into the stirring barrel again through the grout pump, circulating stirring is conducted, the stirring time is greatly shortened, and grouting is more uniform.