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212 results about "Soil mixing" patented technology

Constant-temperature curing and loading integrated test equipment for preparation of mixing pile

The invention discloses constant-temperature curing and loading integrated test equipment for preparation of mixing piles, and relates to the technical field of preparation of mixing piles, and the constant-temperature curing and loading integrated test equipment comprises a refrigerator, a constant-temperature device, a loading device and a multi-angle mixing pile preparation device. According to the constant-temperature curing and loading integrated test equipment for preparing the stirring pile, through coordination of heating and refrigerating, the temperature control precision of a conventional refrigerator is improved, and the uniformity of a temperature field in the refrigerator is guaranteed; the whole process from pile manufacturing, maintenance to loading is completed in the same constant-temperature space, interference caused by process conversion is eliminated, finally, the reinforcing process and effect of the inclined cement-soil mixing pile in the high-temperature frozen soil roadbed are accurately simulated, and test errors caused by temperature fluctuation and process separation in a traditional method are avoided; by quickly adjusting the angle of the stirring rod and selecting different spray hole combinations, one device can simulate various construction processes, different scientific research and test requirements are met, and the flexibility in use is improved.
Owner:XI'AN PETROLEUM UNIVERSITY

Intelligent concentrated supply fertilization and soil preparation machine and use method thereof

The invention relates to the technical field of soil preparation and fertilization agricultural machinery, in particular to an intelligent centralized supply fertilization soil preparation machine and a using method.The intelligent centralized supply fertilization soil preparation machine comprises a fertilizer box, the fertilizer box is provided with a fertilization assembly, and the fertilization assembly comprises a fertilizer distribution amount adjusting mechanism and a centralized air conveying mechanism; the fertilizer distribution amount adjusting mechanism is used for adjusting the fertilizer output from the fertilizer box, and the centralized air conveying mechanism is used for conveying the fertilizer subjected to fertilizer distribution; the stubble cleaning and soil crushing assembly is used for crushing obstacles in front of the advancing direction; the soil loosening and fertilizing assembly comprises a shallow loosening and fertilizing mechanism and a deep loosening and fertilizing mechanism; the vibration anti-blocking assembly comprises a vibration energy conversion mechanism and a high-frequency vibration mechanism; the backfilling assembly comprises a soil moisture filling mechanism and a pressing mechanism; the system has the advantages of being intelligent, multifunctional and high in reliability, and the comprehensive efficiency and quality of fertilization and soil preparation work are effectively improved.
Owner:HEILONGJIANG PROV AGRI MACHINERY ENG SCI INST

Movable type in-situ rapid emergency repairing and recycling equipment for polluted soil

The invention discloses mobile contaminated soil in-situ rapid emergency repairing and recycling equipment which is characterized in that a mounting platform is arranged on a carrier, an adjusting opening is formed in one end of the mounting platform, an adjusting mechanism is mounted on one side of the adjusting opening, a soil turning mechanism and a conveying mechanism are mounted on the adjusting mechanism, and a soil block crushing and stone removing mechanism is mounted at the top of the conveying mechanism; the soil crushing and screening device is mounted on the mounting platform and located on one side of a discharging port of the conveying mechanism, and the agent mixing device is mounted on the mounting platform. Through the soil block crushing and stone removing mechanism, stone in soil is screened, blockage of the conveying mechanism is avoided, through the soil crushing and screening device, the problem that screening holes are blocked due to the same link of crushing and screening is thoroughly solved, the screening efficiency and the soil purity are guaranteed, and the screening efficiency is improved. And the agent mixing device discharges the uniformly mixed remediation agent through the agent outlet, and the remediation agent is mixed with the to-be-remedied soil while the to-be-remedied soil is scattered into the land, so that in-situ rapid remediation and reutilization of the contaminated soil are realized.
Owner:山东省土壤污染防治中心 +1

Stiff composite pile construction detection method based on quantum technology and electromagnetic geophysical prospecting method

The invention discloses a stiff composite pile construction detection method based on a quantum technology and an electromagnetic geophysical prospecting method, which comprises the following steps of: constructing a peripheral cement soil pile and a core pile, and doping an electromagnetic sensitive material into a cement soil curing agent; a quantum gravity gradiometer and an electromagnetic induction instrument which are integrated on construction equipment are used for collecting gravitational field and electromagnetic field data of a construction area in real time in the whole process of cement soil stirring and core pile pressing-in; the density, the water content distribution and the uniformity of the cement soil are inversed and regulated in real time, and an unfavorable geologic body is identified; dynamically adjusting construction parameters based on cement soil properties and geological conditions obtained by inversion, and performing targeted reinforcement on a bearing stratum; the pile end stress bubble formation and the pile-soil interaction effect are verified; and based on the multi-source data acquired in the whole process, generating a digital quality file of the single pile for quality acceptance. The method can realize a construction process, namely a detection process, a single pile, namely a sensor, and a global data driving decision.
Owner:沙焕焕

Composite supporting system for excavation of soft soil texture foundation pit

The utility model discloses a composite support system for excavation of a soft soil texture foundation pit, which comprises SMW (soil mixing wall) construction method piles, three-shaft mixing piles and an underground support structure, and the SMW construction method piles are arranged at intervals along the outer side of the foundation pit in the circumferential direction to form an outer enclosure structure. The three-shaft mixing piles are arranged along the inner side of the foundation pit at intervals and located on one side of the SMW construction method piles so as to form an inner reinforcing structure, the underground supporting structure is arranged in the SMW construction method piles and located in the foundation pit, and the underground supporting structure comprises an underground body, horizontal inner supports, stand column piles, latticed columns and adjustable inclined throwing supports. The latticed columns are vertically arranged below the horizontal inner supports, the bottom ends of the latticed columns are inserted into the stand column piles, and the adjustable inclined throwing supports are installed between the side walls of the underground body and a bottom plate of the underground body in an inclined mode. A composite supporting system composed of the composite supporting structure and the underground supporting structure is adopted, and the composite supporting system is suitable for soft soil geologic condition supporting and can provide higher supporting force.
Owner:GUANGZHOU HENGSHENG CONSTR ENG

Intelligent cement-soil mixing pile machine

The invention discloses an intelligent cement-soil mixing pile machine, which relates to the technical field of building equipment and comprises a pile machine intelligent edge terminal, an intelligent slurrying station subsystem and a cloud platform management subsystem, the pile machine intelligent edge terminal is integrated on a cement-soil mixing pile machine; the intelligent slurrying station subsystem is located on a construction site; the cloud platform management subsystem is deployed in a remote server; data connection is established between the pile machine intelligent edge terminal and the intelligent pulping station subsystem through a first wireless communication network, and the first wireless communication network is a LoRa long-distance radio micropower wireless network; data connection is established between the pile machine intelligent edge terminal and the cloud platform management subsystem through a second wireless communication network. According to the invention, the crossing from a'fixed formula 'to a'dynamic formula' is realized, the quality uniformity and reliability of the pile body are ensured, the ineffective operation is reduced through optimal control, and the cost of materials such as cement and the like can be obviously saved.
Owner:CCCC THIRD HIGHWAY ENG CO LTD

Foundation pit supporting structure with vertical pre-anchored rigid and flexible double-row piles and design method of foundation pit supporting structure

The invention relates to the technical field of civil engineering, in particular to a foundation pit supporting structure with vertical pre-anchored rigid and flexible double-row piles and a design method thereof, and at least solves one of the problems that an existing foundation pit supporting project is high in cost, high in construction difficulty, and difficult in supporting deformation and safety control. The foundation pit supporting structure comprises a front-row flexible pile, a rear-row rigid pile, a top beam and a passive area reinforcing body. The front-row flexible piles and the rear-row rigid piles are connected with each other through a top beam; vertical anchoring parts are arranged in the rear-row rigid piles; the passive area reinforcing body is arranged on the side, away from the rear-row rigid piles, of the front-row flexible piles and comprises a plurality of single-shaft cement soil mixing piles, and the pile lengths of the single-shaft cement soil mixing piles are decreased in the direction away from the front-row flexible piles. According to the method, the construction safety and stability can be improved, and the engineering cost economy is improved on the premise that the passive area constraint condition and the structure safety of the supporting structure are guaranteed.
Owner:ARCHITECTURAL DESIGN RES INST OF GUANGDONG PROVINCE

Soft soil levee slope composite reinforcing method and device based on prestressed corrugated pile emergency support

The invention discloses a composite reinforcing method and device for a soft soil levee slope based on prestressed corrugated pile emergency support, and the method comprises the steps: investigating a to-be-reinforced levee slope and engineering geological conditions in an influence range of the to-be-reinforced levee slope, and obtaining investigation data; calculating by setting a slope stability analysis strategy to obtain a natural state safety coefficient; the state of the to-be-reinforced levee slope is judged, and a state result is obtained; according to a state result, a cement-soil mixing pile temporary construction platform, a composite reinforcing area, a prestress wave-shaped pile and a three-dimensional drainage system are designed; and performing construction preparation and reinforcement construction according to the design scheme. The problems of temporary emergency and permanent splitting, construction disturbance instability, high cost, river channel occupation, difficulty in considering efficiency and ecology and the like in the prior art are solved.
Owner:HUNAN PROVINCIAL WATER CONSERVANCY & HYDROPOWER SURVEY & DESIGN INST GENERAL INST

Cement mixing pile construction parameter optimization method based on rheological property and numerical simulation

The invention provides a cement mixing pile construction parameter optimization method based on rheological characteristics and numerical simulation. The cement mixing pile construction parameter optimization method comprises the following steps: S1, test preparation; s2, establishing a rheological model; s3, constructing a CFD (computational fluid dynamics) simulation model; s4, model motion control; s5, grid independence verification is carried out; s6, verifying the reliability of the model; s7, performing parameter optimization analysis; and S8, engineering application. Through a mode of combining indoor tests and CFD simulation, the construction parameters are systematically optimized, and the cement stirring uniformity and the engineering quality are improved.
Owner:天津市博川建设工程有限公司 +1

Double-wheel stirring drilling machine

The utility model relates to the technical field of groove wall reinforcing construction, in particular to a double-wheel stirring drilling machine which comprises an engineering vehicle and a drilling machine base, a machine frame is arranged on one side of the drilling machine base, a drilling rod is arranged on one side of the machine frame, a lifting machine corresponding to the drilling rod is arranged on the machine frame, a groove milling machine is arranged at the bottom of the drilling rod, and an inclinometer is arranged on the groove milling machine. At least two groups of milling wheels are arranged on the slot milling machine; the bottom of the rack is hinged to the drilling machine base, a connecting frame is arranged on one side of the middle of the rack, a stabilizing rod is arranged between the connecting frame and the drilling machine base, a steel cable is connected to the top end of the drilling rod, and a winch is arranged on one side of the engineering truck. According to the utility model, the milling wheel is used for forming a cement-soil mixing pile with a rectangular groove section in a horizontal axial rotary mixing manner, and a single-shaft or multi-shaft mixing drilling tool is replaced to vertically rotate, so that a cylindrical cement-soil mixing pile is formed, and a wavy surface is prevented from appearing after an underground continuous wall is poured and formed.
Owner:CHINA RAILWAY SHISIJU GROUP CORP +1

Cage type mixer suitable for high-strength deep curing mixing pile construction

ActiveCN117738187Bhigh cost of solutionBLENDER/MIXERSoil science
This invention relates to the technical field of soil mixing piles and discloses a cage mixer suitable for the construction of high-strength deep-solidification soil mixing piles. The mixer includes a mixing shaft driven by a power source, with multiple fixing rings fitted around its outer periphery. The mixing shaft passes through the center of the fixing rings and is rotatably connected to them. A cylindrical cavity is formed between the fixing rings. The mixing shaft has an inner section passing through the cavity and a lower section extending below the cavity. Multiple inner mixing blades are provided on the inner section, and multiple lower mixing blades are provided on the lower section. Multiple bottom drill teeth are provided at the bottom of the lower section. A grout outlet is provided in the mixing shaft, with a bottom grout outlet at the bottom. The top of the grout outlet is connected to a grouting pump via a grouting pipe. When the mixing shaft drills into the soil, the multiple bottom drill teeth drill downwards into the soil, the multiple inner mixing blades and the multiple lower mixing blades mix the soil, and the multiple fixing rings guide the drilling direction of the mixing shaft.
Owner:SHENZHEN HONGYEJI GEOTECHNICAL TECH CO LTD

Exploration sampling barrel

The utility model discloses an exploration sampling barrel which comprises a sampling barrel body, the sampling barrel body comprises a drilling ring, the top of the drilling ring is fixedly connected with a sliding rod, the outer surface of the sliding rod is connected with a plurality of separating barrels in a sliding mode, every two adjacent separating barrels are connected in an abutting mode, and the drilling ring is connected with the adjacent separating barrels in an abutting mode. Sample cylinders are arranged in the multiple separation cylinders, every two adjacent sample cylinders abut against each other, and the drilling rings abut against the adjacent sample cylinders; a top cover slides on the top of the sliding rod in a limiting manner, and the top cover is propped against the adjacent sample cylinder and the separation cylinder. According to the soil sampling device, through the arrangement of the drilling ring, the sliding rod, the separating cylinder, the sample cylinder, the top cover, the long rod and the auxiliary sampling plate, after sampling is completed, samples of all depths can be taken out in a layered mode, all soil is prevented from being mixed together, the soil samples of all the depths can be obtained easily, and the auxiliary sampling plate has an auxiliary function and has a lifting effect on the soil; and the separated soil can be discharged conveniently.
Owner:河北省地质调查院(河北省碳中和地学研究中心)

Inner and outer core variable cross-section composite pile and construction method thereof

The invention discloses an inner and outer core variable cross-section composite pile and a construction method thereof.The inner and outer core variable cross-section composite pile comprises an outer core and an inner core, the inner core is a precast concrete pile and comprises a variable cross-section section located on the upper portion and at least one uniform cross-section section located on the lower portion, and the cross-section area of the variable cross-section section is decreased from top to bottom; the variable-section sections and the uniform-section sections are connected through connecting assemblies, every two adjacent uniform-section sections are connected through connecting assemblies, the outer core is a cement-soil mixing pile which is formed in situ on site, part of the section sections of the cement-soil mixing pile are in an expanding mode, and the central axis of the inner core coincides with the central axis of the outer core. The bearing performance, the economical and environment-friendly performance and the construction quality and efficiency of the pile foundation are comprehensively improved.
Owner:CHINA RAILWAY SIYUAN GRP GUANGZHOU DESIGNING INST CO LTD +1

Narrow site shallow soft soil roadbed treatment combined structure

ActiveCN224412228UReduce the scope of grading excavationlow costSoil scienceSoil mixing
The utility model belongs to municipal engineering technical field, concretely relates to a kind of shallow soft soil subgrade treatment combination structure in narrow site, comprising: replacement boundary line, roadbed replacement base layer, replacement demarcation line, ground line, excavation replacement slope line, cement soil mixing pile solid pile, cement soil mixing pile empty pile, cement solidification area and replacement granular material.Excavation replacement slope line starts from replacement demarcation line, and ends in replacement boundary line;Cement soil mixing pile solid pile is located below the area inside replacement boundary line road, its pile bottom is below replacement demarcation line, and pile top is cut off in excavation replacement slope line;Cement soil mixing pile empty pile is only as the "virtual section" that cement soil mixing pile solid pile body extends upwards;Cement solidification area is the area that replacement boundary line, cement soil mixing pile solid pile bottom and excavation replacement slope line, ground line are enclosed to form.The utility model can reduce the range of slope excavation, reduce the influence of excavation replacement subgrade treatment to surrounding environment and building structures.
Owner:GUANGXI RAIL TRANSIT DESIGN INSTITUTE CO LTD

A rotary detachable electrochemical treatment device

The application discloses a rotary detachable electrochemical treatment device, and the core comprises a corrosion-resistant spiral electrode, a direct current, a rotatable cylindrical body with holes, a polycrystalline manganese carbon shuttle electrode material and a dynamic scattering system. The two electrodes are connected to the positive and negative poles of a direct current power supply, and an electric field is formed between the two electrodes. The side wall of the cylindrical body is provided with an anti-backflow inclined hole, and an electrode material hopper bin and an air compressor are arranged at the top of the cylindrical body. The material is uniformly scattered to the soil by air pressure driving. The device is externally integrated with spiral blades, which can stir the soil synchronously when the device rotates, so that the electrode pores are prevented from being blocked by particulate matter. After the repair is completed, the cylindrical body can be detached, and the electrode system is retained. When the device is operated, the electrode material is dynamically penetrated into the soil through the inclined hole, and the corrosion-resistant spiral electrode applies an electric field to drive the directional migration and reduction and fixation of heavy metal ions. Through the synergistic effect of rotary scattering and electric field, the application solves the technical problems of uneven repair, easy blockage and electrode deactivation of the static device, and is suitable for efficient in-situ repair of heavy metal contaminated soil.
Owner:CHANGSHA ENVIRONMENTAL PROTECTION COLLEGE +1

Construction method for connecting channels in water-rich areas of ultra-deep, unconsolidated strata with sea-land interaction

This invention provides a construction method for connecting tunnels in water-rich areas of ultra-deep, underconsolidated strata with sea-land interaction. The method is as follows: A closed rectangular or circular cement-soil mixing wall is constructed in the construction area of ​​the connecting tunnel to pre-reinforce the soil, forming a continuous, seamless, low-permeability rigid water-stopping curtain; after the reinforced strata reach the predetermined reinforcement strength, freezing pipes are drilled from the adjacent faces of the two tunnels towards the construction area of ​​the connecting tunnel, and freezing treatment is carried out on the construction area of ​​the connecting tunnel; once the soil freezing condition meets the excavation requirements, the excavation of the connecting tunnel begins. This invention follows a strict sequence of "seepage interception first, then freezing," with the pre-reinforcement process acting as the "vanguard," its primary task being to create low-permeability boundary conditions; the freezing process, as the "main force," efficiently forms a pressure-bearing structure in the optimized environment, solving the problems of high energy consumption and uncertain effects of freezing under unlimited recharge boundaries.
Owner:CHINA RAILWAY 11TH BUREAU GRP CORP LTD +2

Early warning and adjusting method for mixing material ratio fluctuation of flow-state solidified soil

The invention provides a flow-state solidified soil mixing material ratio fluctuation early warning adjustment method, and belongs to the technical field of flow-state solidified soil construction.The method includes the steps that the input amount of each component is monitored in real time by building a material ratio fluctuation curve model, a material ratio stable interval is set to form an early warning value, material ratio abnormal points are recorded, and the material ratio fluctuation trend is calculated; applying a material ratio dynamic prediction equation set to analyze a historical change rule and predict a future trend, analyzing material ratio abnormal point relevance to carry out time sequence clustering, constructing a material ratio abnormal point and equipment start-stop relation model to reveal a fluctuation mechanism, calculating a material ratio fluctuation influence area to determine an influenced material range, and calculating the material ratio fluctuation influence area. And executing a material ratio fluctuation compensation program to automatically adjust the input amount of each component and guide fluctuating materials into a temporary storage area for treatment, and finally implementing material ratio recovery adjustment to gradually recover the input amount of each component to a standard value, so that the technical problem that the material ratio fluctuation is difficult to predict in real time and accurately regulate and control in the mixing process of the flow-state solidified soil in the prior art is solved.
Owner:CHINA CONSTR EIGHT ENG DIV CORP LTD

Cement-soil mixing pile strength detection device

The utility model provides a cement mixing pile strength detection device which comprises a detection box and a driving box, the detection box and the driving box are communicated through an inlet and an outlet, the front part of the detection box is provided with a sealing box door and a display, the middle part of the bottom in the detection box is provided with a mounting groove, a pressure sensor is arranged in the mounting groove, and the pressure sensor is connected with the detection box. A pressure sensor is arranged in the detection box, a pressure bearing plate is arranged above the pressure sensor, a limiting mechanism is arranged at the top of the pressure bearing plate, a hydraulic cylinder is arranged at the top in the detection box, the bottom of the hydraulic cylinder is connected with a lower pressing plate corresponding to the pressure bearing plate, and a front baffle is arranged at the bottom of one side of an opening in the detection box. And the front baffle plate is vertically and slidably connected to the interior of the detection box. Compared with the prior art, the automatic discharging device has the advantages that due to the design of the limiting mechanism, cement mixing piles of different sizes can be limited to the top of the bearing plate, and automatic discharging work of test piece waste is achieved through the driving mechanism.
Owner:THE THIRD ENG CO LTD OF THE CCCC THIRDHIGHWAY ENG CO LTD +1

Spiral stirring roller for mixing nutrient soil

The utility model discloses a spiral stirring roller for mixing nutrient soil. The spiral stirring roller comprises a roller shaft, a spiral blade I and a spiral blade II, wherein the spiral blade I and the spiral blade II are sleeved on the roller shaft; the first spiral blade is fixedly connected to the roller shaft. The second spiral blade is also connected to the roller shaft in a sleeving mode and can slide in the axis direction of the roller shaft; by adjusting the position of the spiral blade II on the roll shaft, the width of the stirring channel is adjusted, so that different soil characteristics and stirring requirements can be met. When a wider stirring channel is needed, the spiral blade II is attached to the spiral blade I, so that the stirring space can be quickly expanded, and the stirring device is particularly effective for treating soil with higher humidity or larger particles, and ensures that the soil can be fully turned over and mixed. When a narrower stirring channel is needed, the stirring space can be reduced and the stirring strength can be increased only by moving the second spiral blade to the middle part of the spiral groove formed by the first spiral blade.
Owner:NANJING LONGXINGTENG BIOTECHNOLOGY CO LTD

Composite foundation for improving bearing capacity of building foundation soil

The application relates to the technical field of foundation soil bearing capacity, and discloses a composite foundation for improving the bearing capacity of a building foundation soil, which comprises an integral outer mechanism, the integral outer mechanism further comprises an integral outer plate, when the equipment is fixed, the shallow layer fixing mechanism extends outward under the resistance of mud, the top shallow layer fixing body is more capable of grabbing the foundation to ensure the stability of the foundation, the shallow layer fixing body is close to the surface of the mud, after rainfall, the mud becomes soft after absorbing water, the gap between the mud and the shallow layer main rod caused by vibration is filled, the relatively soft mud can effectively absorb vibration, the gap between the main body of the foundation and the surface of the mud is avoided from becoming large, on the other hand, the earth covering inner groove and the shallow layer outer groove can increase the contact area of the equipment after being deeply buried in the foundation, the stability of the foundation is ensured, the outer wall of the equipment is fixedly connected with a condensation water plate, water droplets are condensed on the integral outer plate by utilizing the temperature difference, the water droplets are mixed with the external soil through water inlet holes, and the internal gap is filled.
Owner:JINAN CHANGXINYUAN CONSTRUCTION & INSTALLATION ENGINEERING CO LTD

A soft foundation mixing pile bimodal gradient proportioning system and method based on intelligent analysis

This invention discloses a dual-modal gradient grouting system and method for soft soil mixing piles based on intelligent analysis. The system includes a hollow drill rod system, a multi-parameter monitoring module, a main control analysis module, and a batching execution module. The drill rod body contains three flow channels: a main pipeline, a water flow pipeline, and an auxiliary pipeline. The auxiliary pipeline uses a solenoid valve to switch between a backflow mode and a reverse high-pressure grouting mode, enabling dual-modal operation. During construction, based on soil layer information identified by a current sensor, the main control box dynamically adjusts the frequency conversion water supply of the water pump. The batching control box accurately calculates and controls the second material tank to prepare the high-cement-content slurry required for the second grouting based on real-time monitoring data from the first grouting, achieving gradient grouting ratio and total volume optimization for the two grouting processes. This invention, by integrating real-time soil layer identification, frequency conversion grouting control, and gradient grouting technology, balances the needs of initial grouting penetration and secondary grouting strength enhancement, improving pile quality stability, construction efficiency, and material economy.
Owner:CCCC FIRST ENG CO LTD

CO2 anti-escape construction method for water-based foam carbon sequestration cement soil mixing pile

The invention relates to a CO2 anti-escape construction method for a water-based foam carbon sequestration cement soil mixing pile, which comprises the following steps of: connecting a CO2 foaming machine to a slurry conveying pipe of a mixing pile machine through a three-way pipe, after a drill rod of the pile machine cuts a soil body to a preset soil layer depth, injecting slurry into the drill rod through the slurry conveying pipe, and simultaneously injecting CO2 water-based foam into the slurry conveying pipe through the CO2 foaming machine to be mixed with cement slurry, the drill rod is lifted while guniting towards the surrounding soil body to form a water-based foam cement soil pile; and when the water-based foam cement soil pile is constructed to a certain height away from the ground surface, the water-based foam filling valve is closed, the drill rod continues to be lifted, a section of high-mixing-amount cement soil pile is formed on the top of the water-based foam cement soil pile, and finally a lime soil mattress layer with a certain thickness is constructed on the top of the cement soil pile. The carbon sequestration effect of the cement soil pile can be improved, and CO2 in cement soil is prevented from escaping from the earth surface.
Owner:ROAD & BRIDGE INT CO LTD

High-precision soil extraction device

The invention relates to the technical field of soil pesticide residue extraction, and discloses a high-precision soil extraction device which comprises a support, a fixing box, a screening part and a driving part. A loading frame is installed on the support, the fixing box is installed in the middle of the support, a mixing piece is installed in the fixing box, a piston assembly connected with the mixing piece is installed on the side face of the fixing box, and a liquid supply piece is installed on the piston assembly; the screening part is arranged in the middle of the loading frame and is in sliding fit with the loading frame, the bottom of the screening part is matched with the mixing part, a linkage part is connected between the piston assembly and the screening part, and the screening part is driven by the driving part to transversely reciprocate to screen materials. Soil screening and impurity intercepting are achieved through transverse reciprocating movement of the screening part, meanwhile, solvent liquid enters a hollow ball of the mixing part in an impact posture to be mixed with soil through the push-pull effect of the piston assembly, traditional static soaking limitation is broken through, the soaking time is shortened, and the solvent volatilization and pesticide degradation risks are reduced; and the detection accuracy and reliability are improved.
Owner:ANHUI SHENGDAN BIOCHEMICAL CO LTD

Combined drill bit for cement-soil mixing pile and construction method

The invention relates to a combined drill bit for a cement-soil mixing pile, which comprises a plurality of central drill rods which are vertically arranged in parallel at intervals, and a plurality of drill rod blades are fixedly arranged at the lower section of each central drill rod at intervals; the plurality of outer sleeve drill rods are coaxially and rotationally sleeved on the upper section of the central drill rod respectively; the lower section of the central drill rod is coaxially and rotationally sleeved with the stirring assemblies, the stirring assemblies are fixedly installed at the bottom end of the outer sleeve drill rod, a plurality of stirring outer blades are fixedly installed on the outer side faces of the stirring assemblies at intervals, a plurality of stirring inner blades are fixedly installed on the inner side faces of the stirring assemblies at intervals, and the stirring inner blades and the drill rod blades are arranged in a staggered mode; and the stirring outer blades of the adjacent stirring assemblies are arranged in a staggered manner. The outer stirring blades and the inner stirring blades of the combined drill bit are responsible for cutting and stirring soil in a pile body and surrounding soil, it is guaranteed that most of the area of a stirring pile is forcibly stirred, the stirring range completely covers the range of the stirring pile, cement grout and the soil body are fully mixed, and the stirring effect is good.
Owner:BEIJING ZHONGYAN DADI TECH CO LTD

SMW construction method pile profile steel positioning fixture

The utility model relates to the technical field of SMW construction method pile profile steel positioning, in particular to an SMW construction method pile profile steel positioning fixture which comprises a foundation and profile steel, a cement soil mixing pile is arranged on the foundation, the profile steel is embedded into the upper portion of the cement soil mixing pile, a positioning device is arranged on the upper side of the profile steel, and the positioning device comprises a steel bar rod and a positioning steel plate. A laser positioner is arranged on the foundation; the laser positioner comprises a shell, a sliding rail and a laser spotlight, an inserting rod is arranged at the bottom of the shell, a lamp holder is arranged on the sliding rail, the laser spotlight is connected with the lamp holder, and a locker is arranged on one side of the lamp holder; a cursor is projected through the laser positioner, the profile steel can be conveniently positioned when being inserted into the cement soil mixing pile, meanwhile, the top of the profile steel is corrected through the positioning device, it is ensured that multiple sets of profile steel are parallel, uniform in interval and capable of being accurately inserted into the cement soil mixing pile at standard intervals, and attractiveness is improved.
Owner:CHINA RAILWAY SHISIJU GROUP CORP +1

Highway roadbed lime soil uniform stirring device

ActiveCN224130140UReduce the probability of subsequent processingreduce cakingDischarging apparatusMixing operation control apparatusSoil mixingClassical mechanics
The utility model relates to the technical field of roadbed lime soil stirring, in particular to an expressway roadbed lime soil uniform stirring device which comprises a supporting frame, a mixing mechanism is installed on the upper surface of the supporting frame, a smashing mechanism is installed on the upper surface of the mixing mechanism, and a feeding mechanism is arranged on the rear side of the supporting frame. The mixing mechanism comprises a mixing barrel fixedly connected to the upper surface of the supporting frame, the bottom of the interior of the mixing barrel is in the shape of two arcs, and two mixing paddles matched with the bottom of the mixing barrel are rotationally connected to the interior of the mixing barrel. The materials are conveyed to the crushing box through a guide hopper, at the moment, the materials are crushed through rotation of a plurality of crushing shafts and first crushing teeth under the action of second crushing teeth, the crushed materials enter the mixing barrel, at the moment, the materials are stirred under the action of two mixing paddles, and the stirred materials are discharged through a discharging valve.
Owner:CHINA RAILWAY 14TH CONSTR BUREAU GRP 4TH ENG

Soil and chemical dosing apparatus for soil remediation equipment

The present application relates to a kind of soil and medicine quantitative mixing device for soil remediation equipment, the soil and medicine quantitative mixing device for soil remediation equipment, including soil weighing unit, medicine quantitative unit and mixing unit, wherein, soil weighing unit is set by two weighing plates structure etc., not only can accurately and quickly weigh soil, and facilitate the quick release of soil and remediation agent after weighing, in addition, also avoid the problem that existing screw auger is quantitatively easy to be caked, and soil remediation speed is faster.Medicine quantitative unit, not only include liquid medicine quantitative unit, also include special solid medicine quantitative unit, so that whether liquid medicine or solid medicine can be more accurately quantified to be mixed with soil, and the accuracy of quantification is not affected by blockage. Mixing unit cooperates with other two units, and better treatment continuity can be achieved to a certain extent.
Owner:QILU UNIVERSITY OF TECHNOLOGY (SHANDONG ACADEMY OF SCIENCES)

Anti-blocking intelligent sugarcane reseeding integrated device

The invention relates to the field of agricultural machinery, and discloses an anti-blocking intelligent sugarcane reseeding integrated device which comprises a rack, a portal frame is fixedly mounted on the rear side of the top end of the rack, a movable frame is movably mounted in the portal frame, and a plurality of soil sampling chambers are movably mounted on one side of the inner bottom of the movable frame; soil sampling cylinders are fixedly installed at the bottom ends of the soil sampling chambers correspondingly, rotating shafts are movably installed in the soil sampling chambers correspondingly, mixing rods are fixedly installed on the two sides of the upper portions of the rotating shafts correspondingly, spiral flow guide blades are fixedly installed on the outer sides of the lower portions of the rotating shafts correspondingly, and soil crushing drill bits are fixedly installed at the bottom ends of the rotating shafts correspondingly. A fertilizer box is movably mounted on one side of the movable frame through a plurality of spring rods. The sugarcane reseeding machine integrates multiple procedures of soil taking, soil crushing, fertilizer and soil mixing, precise seeding and the like, the reseeding distance can be flexibly adjusted, blockage is prevented, adaptability is high, efficiency and labor saving are achieved, and the sugarcane reseeding survival rate and the operation standardization level can be improved.
Owner:GUANGXI ZHUANG AUTONOMOUS REGION ACAD OF AGRI SCI

Drill bit device of three-dimensional mutual shearing cement-soil mixing pile and construction method

The invention relates to a drill bit device of a three-dimensional mutual-shearing cement-soil mixing pile and a construction method, the drill bit device of the three-dimensional mutual-shearing cement-soil mixing pile comprises a bottom drill bit, a driving rod is coaxially fixed to the upper end of the bottom drill bit, and drilling and digging wing plates are fixed to the two symmetrical sides of the driving rod in any radial direction correspondingly; a slurry outlet hole used for outputting cement slurry is formed in the upper side of the drilling and digging wing plate, a slurry inlet pipe used for injecting the cement slurry is arranged in the driving rod and communicates with the slurry outlet hole, a sleeve is coaxially fixed to the outer side of the driving rod, a rotating shaft is arranged on the sleeve, and the axis of the rotating shaft is collinear with the radial direction of the sleeve. A transmission assembly is arranged on the driving rod to drive the rotating shaft to rotate in the axis direction of the rotating shaft, stirring blades are arranged on the rotating shaft, the multiple stirring blades are evenly arranged in the axis direction of the rotating shaft at intervals, and the construction method of the drill bit device of the three-dimensional mutual shearing cement soil stirring pile is further included. The stirring device has the effects of reducing the stirring frequency and improving the working efficiency.
Owner:天津市博川建设工程有限公司 +1

Orchard solid fertilizer multi-nutrient precise fertilizer preparation variable soil mixing hole application machine

The utility model relates to the technical field of agricultural machinery, and provides an orchard solid fertilizer multi-nutrient precise fertilizer preparation variable soil mixing hole application machine. Comprising a rack, and a fertilizer preparation device, a fertilizer conveying device and a drilling device are arranged on the rack; wherein the drilling device is provided with three spiral drilling shafts capable of ascending and descending, and each spiral drilling shaft is sleeved with a mixing component capable of ascending and descending. The fruit tree fertilizing device has the beneficial effects that the drilling device with three spiral drilling shafts and a mixing component is adopted, drilling hole fertilization can be carried out along soil at three positions of the circumference of a fruit tree body at the same time, and efficient fertilization is achieved; through the structural arrangement of the mixing component and the reverse rotation of the spiral drilling shaft, the soil and the solid fertilizer are mixed while the soil and the solid fertilizer are backfilled, the soil-fertilizer mixing uniformity of the soil and the solid fertilizer is improved, and the smoothness of the orchard ground is guaranteed.
Owner:JIANGSU ACAD OF AGRI SCI