1122results about How to "Prevent collapse" patented technology

The invention discloses a karst collapse risk analysis method and system based on geological big data mining, and the method comprises the steps: collecting multi-source heterogeneous geological data, and carrying out the data fusion through employing a Tucker decomposition-based tensor decomposition algorithm; cleaning, complementing and standardizing the fused data; feature selection and construction: selecting features related to the karst collapse risk; carrying out feature extraction on the preprocessed data; based on the features extracted by the feature engineering, constructing a risk assessment model by using a graph convolutional neural network, and optimizing model performance through an ensemble learning method; carrying out risk assessment and prediction by utilizing the trained model, and carrying out visualization through a geographic information system; and real-time risk assessment is realized based on an edge computing technology, and the model is continuously optimized. According to the method and the system, complex heterogeneous data can be processed, the time change trend of geological parameters can be accurately captured, the prediction accuracy under complex geological conditions is high, and the timeliness of early warning is greatly improved.

The invention belongs to the technical field of rock-soil side slope protection, and particularly relates to an expansive soil side slope flexible ecological comprehensive supporting system which comprises an intercepting ditch, a vegetation protection layer, a composite waterproof layer, flexible anchor rods, water seepage and drainage pipes, cultivation and planting soil, a drainage ditch, a backfill soil layer, a step-shaped slope surface, a slope surface and slope protection vegetation. The slope surface is excavated into a step-shaped slope surface, a composite waterproof layer, expansive soil backfill soil, a vegetation protection layer and cultivation and planting soil are sequentially arranged on the step-shaped slope surface from bottom to top, and slope protection vegetation is planted and formed on the cultivation and planting soil; the composite waterproof layer is fixed to the step-shaped slope face through the flexible anchor rods. The vegetation protection layer and the slope protection vegetation together reinforce the shallow soil body, and the composite waterproof layer and the flexible anchor rod play a role in absorbing and relieving the received expansive force. The method has an ecological greening effect, has the functions of common supporting of the shallow surface layer and the deep layer of the expansive soil slope, flexible reinforcement and expansion reduction and allowable generation of a small amount of deformation, is simple in construction and high in efficiency, and can realize long-term stability of the shallow surface layer and the deep layer of the expansive soil slope.

The invention belongs to the technical field of medical instruments, and particularly relates to a dense net support. The dense net support comprises a front fixing section, a blocking section and a rear fixing section, and the blocking section is located between the front fixing section and the rear fixing section. The plugging section is connected with the front fixing section through a front connecting piece, and the plugging section is connected with the rear fixing section through a rear connecting piece; the plugging section is used for plugging an aneurysm position of a blood vessel, the plugging section sequentially comprises an inner layer part, a middle layer part and an outer layer part from inside to outside, the inner layer part adopts an inner layer metal stent, and the outer layer part adopts an outer layer metal stent. The dense net stent can adjust hemodynamics more accurately, and it is ensured that the blood flow of healthy blood vessels is not affected while the aneurysm is closed; the sealing effect of the aneurysm is ensured, and thrombosis is well promoted, so that blocking and healing of the aneurysm are promoted; and the endothelialization process of the stent is facilitated, so that the success rate of fusing the stent into the blood vessel is improved, the effect of completely sealing the aneurysm opening is achieved, and the recurrence risk is reduced.

The invention discloses a tooth-shaped structure of a bolt fixing tool. The tooth-shaped structure comprises a drive part, a looping part is concavely arranged inside the drive part; the inner periphery of the looping part is a hollow structure and is approximately a polygonal structure, the intersectional angle between edges of the polygonal structure of the looping part are respectively provided with an escape groove, the escape groove is a recessed arc structure, an opening of the escape groove and an opening of the adjacent escape groove take on a straight edge, the straight edge is a lank line section; a top surface is respectively arranged at the center of the straight edges between two adjacent escape grooves, the top surface is in a planar straight line section structure, the top surface is arranged at the straight edge between the two adjacent escape grooves and is superposed on the straight edge; a first groove and a second groove are respectively recessed between the escape groove and the top surface, the first groove is closer to the escape groove, the second groove is closer to the top surface, the first and the second grooves are arranged in line symmetry with another first and second grooves; based on the intermediate vertical line of the distance between the two side walls of the escape groove with the arc structure, the first and the second grooves are arranged in line symmetry with another first and second grooves by the central vertical line of the distance between the two side walls of the arc structure of the escape grooves. The tooth-shaped structure of a bolt fixation tool can not cause slipping and bruting of the bolt fixing part resulting from the stress concentration of point contact.

The invention relates to the technical field of electrical digital data processing, and discloses a lightweight-based multi-modal data enhancement method, which comprises the following steps: acquiring a multi-modal feature tensor; extracting a vector orthogonal projection scalar and determining the novelty; updating the global covariance matrix when the novelty is greater than a redundancy threshold, and maintaining the global covariance matrix in a register state when the novelty is not greater than the redundancy threshold; extracting a main diagonal variance component to determine a differential modulation coefficient; calculating a second-order moment manifold projection operator according to the global covariance matrix, and calibrating the operator by using a differential modulation coefficient; the calibrated operator is used for carrying out orthogonal projection on random noise to generate a structured disturbance vector, the structured disturbance vector is superposed to a multi-modal feature tensor to output enhanced features, a novelty judgment mechanism is used for restraining statistical deviation caused by steady-state redundant data, computing resource occupation is reduced, and it is ensured that semantic alignment between modals is maintained in enhanced feature distribution.

The invention discloses a mining plan making method and system, and relates to the technical field of automatic management, and the method comprises the steps: obtaining a mine image and environment data; extracting multi-dimensional features of the mine image, and fusing the multi-dimensional features to obtain fused features; inputting the fusion features into a recognition model to obtain a mineral recognition result; combining the environment data with the mineral identification result to form a mine environment-resource distribution map; and inputting the mine environment-resource distribution map into the mining model to obtain a mine mining plan. According to the mining plan based on machine vision and a large model, real-time and high-definition monitoring of the mine environment is achieved by integrating the high-precision camera shooting function and the advanced video processing technology, subjectivity and errors of manual judgment are reduced, the mining process is accelerated, optimal configuration and efficient utilization of resources are achieved, and the mining efficiency is improved. And higher production efficiency and economic benefits are brought to mine enterprises.

The invention relates to the technical field of bauxite mining, in particular to a green mining method for bauxite under coal, and mainly solves the technical problems that pollutants in a goaf of an upper coal seam easily enter an aluminum layer, the recovery rate is low, an overlying rock layer easily collapses and a large amount of solid waste polluting the environment is generated in existing mining of bauxite under coal. The method comprises the following steps: S1, selecting a target rock stratum; s2, permeability transformation is conducted on the target rock stratum; s3, in-situ presplitting of bauxite; and S4, pillar-free comprehensive mechanical bag type filling mining is carried out. According to the method, old kiln water and poisonous and harmful gas in a coal seam goaf can be prevented from entering an aluminum mining working face during aluminum layer recovery, and the safety of aluminum layer recovery operation is greatly improved; ore body strength weakening can be achieved, fully-mechanized coal mining equipment loss is reduced, and fully-mechanized coal mining efficiency is improved; the recovery rate of bauxite can also be improved, and an overlying rock layer is prevented from collapsing; the coal gangue and the red mud can be treated and utilized in a large-scale and green manner, and the influence of industrial solid waste of the coal gangue and the red mud on the ecological environment is avoided.

The invention discloses novel cement pipe pouring forming equipment, and relates to the technical field of pouring equipment, the novel cement pipe pouring forming equipment comprises a supporting seat and a reinforcement cage body, a pouring inner mold and a pouring outer mold are arranged at the top of the supporting seat, the reinforcement cage body is placed between the pouring inner mold and the pouring outer mold, and a control assembly is arranged on the supporting seat. According to the novel pouring forming equipment for the cement pipe, periodic knocking treatment is conducted on the inner wall of the pouring inner mold through the knocking rods, high-frequency vibration is generated, the vibration effect in concrete is remarkably improved through the vibration, and therefore the concrete is fully compacted, bubbles in the concrete are effectively eliminated, and the concrete quality is improved. The reinforcement cage has important significance for improving the strength and durability of the cement pipe, the central position of the reinforcement cage body between the pouring inner mold and the pouring outer mold is ensured through an accurate adjusting and positioning mechanism, the reinforcement cage is prevented from moving in the pouring process, and the construction efficiency is improved. And the problem of non-uniform stress distribution caused by the fact that the position of the reinforcement cage deviates from the center is also avoided.

The invention provides a support-free forming method for laser powder bed melting, and relates to the technical field of metal additive manufacturing, and the horizontal support-free forming method for laser powder bed melting comprises the following steps: S1, printing a first-layer support-free overhanging surface by using an out-of-focus laser beam, so that a first-layer metal powder is in a sintering state, and a first-layer sintering layer is formed; s2, printing a predetermined number of layers of support-free overhanging surfaces layer by layer by using an out-of-focus laser beam, melting each new printing layer, remelting the previous printing layer, and avoiding remelting to the lower surface of the first sintering layer; and S3, after printing of the support-free overhanging surface with the preset number of layers is completed, subsequent layer printing is conducted. The first sintering layer is printed by using the out-of-focus laser beam, so that a supporting foundation is provided for a subsequent overhanging structure, and the problem of collapse of the first layer is avoided. Fusion and combination of each new printing layer and the previous printing layer are controlled, remelting to the lower surface of the first layer is avoided, the upper surface and the lower surface which are not supported are smooth, and powder adhesion is avoided.

The invention relates to a construction process of a joint occlusion water stop reinforced ultra-deep hectometer-level milling groove ground wall. The construction process comprises the working procedure steps of grooving, groove bottom sediment treatment, reinforcement cage hoisting, guide pipe lowering, bottom sealing concrete pouring, broken stone backfilling, joint box hoisting, overall concrete pouring and the like. Grooving adopts a grabbing and milling combined process and is divided into a first-stage groove section and a second-stage groove section, the first-stage groove is designed to be full-head scutching and two-cutter grooving, H-shaped steel water stop joints are arranged at the two ends of a reinforcement cage, the reinforcement cage is fully wrapped with anti-streaming slurry stop iron sheets, after the reinforcement cage is hung in sections, bottom sealing concrete is poured, broken stones are backfilled and compacted, and pouring is continued to form a wall body. The second-stage groove is designed to be in a full-closed range, three-knife grooving is conducted, and after a wall brushing device is adopted at the joint for wall brushing, remaining procedures are completed. And the first-stage groove and the second-stage groove are constructed in a sequence of a warehouse jumping method, and a continuous wall body is formed in a circulating manner. According to the process, the existing ultra-deep casing milling joint ground wall construction process is innovated, and the problems that the casing milling joint is low in concrete milling speed, poor in water stopping effect, large in reinforcement cage hoisting weight and the like are solved.

The invention relates to a hard rock tunneling and supporting miner-bolter, which belongs to the technical field of miner-bolter, and comprises a machine body erected on a crawler belt, the middle part of the machine body is provided with a miner-bolter mechanism for crushing and tunneling hard rock, the machine body is provided with a flow guide mechanism and a conveying belt for discharging broken stones, and the top is provided with a supporting mechanism for providing temporary support; the digging and anchoring mechanism comprises a cap-shaped rotating frame, the levelness is adjusted through a first oil cylinder, the front portion of the rotating frame is connected with a pitching frame, and a second oil cylinder is used for adjusting the pitching angle. A rotating shaft is arranged on the pitching frame, a tunneling head is connected into the rotating shaft, stone jacking hammers are symmetrically arranged on the two sides of the tunneling head, and the supporting mechanism is a rock crushing cone and provided with a rotatable conical protruding part. A gravel separating disc is arranged at the rear part of the rock crushing cone, grinding balls are uniformly distributed on the gravel separating disc, and the gravel separating disc can vertically move for grinding and guiding small gravels; by means of innovative structural design and function integration, various pain points in a traditional bolter miner supporting technology are solved, and the efficiency and safety of hard rock tunnel tunneling and supporting are greatly improved.

The invention discloses a pebble formation drilling device, which belongs to the technical field of formation drilling. Through drilling with a drill barrel, pebbles in the drill barrel are removed by other equipment to form a preliminary lower drill hole. After drilling to a designated position, a moving seat stops vertical movement, and a motor drives the drill barrel to rotate slowly, so that quick-drying concrete flowing along a drill barrel circulation groove between the drill hole and the drill barrel is immersed in the pebble layer, and it is ensured that the drill barrel and the drill hole are not adhered. After the quick-drying concrete is initially solidified, the drill barrel can be withdrawn to form a pebble layer hole that will not collapse. The drilling device is suitable for drilling operations in pebble layers, ensures rapid formation of the drill hole, is easy to operate, and the drill barrel maintains support for the drill hole during the reinforcement process to prevent the drill hole from collapsing before reinforcement.

The invention discloses a silver pre-sintered composite sheet and a preparation method and application thereof, and belongs to the technical field of electronic packaging. The silver pre-sintered composite sheet comprises a silver foil, a plurality of through holes distributed in an array mode are formed in the silver foil, and a silver pre-sintered layer is arranged on the surface of the silver foil. The silver pre-sintered composite sheet can be directly used, the sintering silver paste does not need to be printed when the silver pre-sintered composite sheet is used, the sintering silver paste does not need to be dried any more, and use is convenient; and the sintering interconnection effect of the silver pre-sintered composite sheet can be improved by selecting the silver pre-sintered composite sheet with specific performance parameters.

The invention belongs to the technical field of lithium cobalt oxide positive electrodes, and discloses a high-entropy doped lithium cobalt oxide positive electrode material as well as a preparation method and application thereof. The molecular formula of the high-entropy doped lithium cobalt oxide positive electrode material is LiCo (1-y) MgxAlyPrzTi (0.0025) O2 or LiCo (1-y) MgxAlyNdzTi (0.0025) O2, x is greater than or equal to 0.001 and less than or equal to 0.01, y is greater than or equal to 0.001 and less than or equal to 0.01, and z is greater than or equal to 0.001 and less than or equal to 0.01. The high-entropy doped lithium cobalt oxide positive electrode material disclosed by the invention is formed by combining a surface integration layer and bulk phase doping, so that irreversible transformation of a material structure from an O3 phase to an O1-O3 blended phase (H1-3) is inhibited, and slippage of a transition metal layer and collapse and irreversible phase transformation of an O3 lattice structure are prevented; the stability of a surface interface and a bulk phase structure of the lithium cobalt oxide positive electrode material under high voltage is improved, and the lithium cobalt oxide positive electrode material can be applied to a lithium ion battery.

The embodiment of the invention discloses a connector and pressure equipment, relates to the technical field of vibration isolation connection, and solves the problem of poor vibration isolation effect of a vacuum corrugated pipe. The connector comprises a first flange, a second flange, N corrugated pipes, N-1 connecting pieces and N-1 flexible supporting pieces. The first flange and the second flange are oppositely arranged. N > = 2. The N corrugated pipes are all located between the first flange and the second flange. The N corrugated pipes are sequentially arranged in a sleeved mode from inside to outside. The corrugated pipe located on the innermost layer is connected with the first flange. The corrugated pipe located on the outermost layer is connected with the second flange. Every two adjacent corrugated pipes are connected through the corresponding N-1 connecting pieces. The N-1 flexible supporting pieces are all arranged on the outer side of a cavity defined by the N corrugated pipes, the N-1 connecting pieces and the N-1 flexible supporting pieces. And the (N-1) flexible supporting pieces are respectively connected with the (N-1) connecting plates. And when N is equal to 2, the flexible supporting piece is connected with the first flange or the second flange. When N is larger than 2, N-1 flexible supporting pieces are connected with the first flange and the second flange respectively.

The invention discloses a method for preparing a conductive ceramic with controllable resistivity, and relates to the technical field of conductive ceramics. The invention adopts three different particle sizes of aluminum oxide, titanium nitride, and silicon dioxide to form a ceramic slurry, which reduces the possibility of deformation, and adjusts the amount of titanium nitride added to adjust the ceramic resistivity, thereby realizing the controllable resistivity of the ceramic; the invention adopts methacrylic acid glycidyl ether and starch to form a gel skeleton, and uses amino-treated nanographite sheets as a support to ensure the mechanical strength of the ceramic; the ceramic slurry is used as a core material, and then a layer of gel is wrapped around the outer layer of the core material, and a three-stage high-temperature sintering treatment is performed to optimize the strength of the ceramic, while making the zirconium ions and nickel ions doped with the gel combine with the lanthanum ions in the atomized liquid, and form a zirconium-nickel-lanthanum-carbon crystal structure under a H2O / O2 atmosphere, which greatly improves the conductivity of the gel layer, thereby forming a uniform and continuous conductive path on the surface and inside of the ceramic.

The invention discloses a method for solving powder collapse in the electron beam printing process, and relates to the technical field of additive manufacturing. Comprising the following steps that firstly, a vacuum bin is vacuumized; step 2, repeatedly preheating the substrate in the forming area by using an electronic gun; step 3, spreading the powder on the heated substrate; 4, continuously heating the graphite plate; fifthly, the powder layer is subjected to secondary preheating through the electron gun; and sixthly, selective forming is conducted on the powder layer in the false sintering state through the focused beam till printing of the current layer is finished, and then the actions of powder laying, graphite plate heating, preheating and selective forming are conducted after one layer descends. According to the method for solving powder collapse in the electron beam printing process, the vacuum heat radiation principle is used for indirectly heating the powder layer, the risk that cold powder particles make direct contact with electron beams in the printing process is completely avoided, and the powder blowing defect is completely eradicated.

The invention relates to the technical field of pulp shooting machines, and discloses a self-adaptive pulp shooting machine for vertical shaft inner wall unevenness, and the self-adaptive pulp shooting machine for vertical shaft inner wall unevenness integrates advanced equipment which integrates efficient pulp shooting, self-adaptive adjustment and automatic control. The pipeline conveying mechanism is responsible for accurately conveying high-pressure slurry to the rotary material spraying mechanism, and the rotary material spraying mechanism uniformly sprays the slurry to the inner wall of a vertical shaft in a mist form through high-speed rotation. The position of the self-adaptive lifting structure can be automatically adjusted according to the unevenness of the inner wall of the vertical shaft, it is ensured that the slurry covers all details, and even slurry spraying can be achieved whether grooves or protrusions exist. In addition, the guniting machine is driven by a pneumatic motor, not only adapts to the complex underground environment, but also is high in response speed and can quickly adapt to the change of the inner wall of the vertical shaft. The overall design pays attention to efficiency, stability and durability, manual intervention is reduced through automatic operation, the construction quality and efficiency are improved, and meanwhile material waste and cost are reduced.

The invention discloses a semi-coke tail gas chemical looping hydrogen production system which is characterized in that a first gas inlet chamber and a second gas inlet chamber are arranged in the hydrogen production system, and a reaction tube comprises a first reaction chamber and a second reaction chamber; the gas inlet of the first reaction chamber is communicated with the gas inlet of the second reaction chamber; the air outlet of the first reaction chamber is communicated with the air outlet of the second reaction chamber, so that the first reaction chamber and the second reaction chamber can supply air independently, the air speed in the first air inlet chamber is higher than that in the second reaction chamber, internal airflow circulation is effectively formed in the internal circulating fluidized bed, the reaction process is more sufficient, and the reaction efficiency is improved. The device effectively improves the hydrogen production efficiency, is simple in structure, realizes the independent air supply process through the independent design of the two cavities of the gas inlet pipe and the reaction pipe, realizes the effective circular reaction of tail gas in the reaction pipe through the control of the air speed, and improves the conversion efficiency.

The invention belongs to the technical field of soil sampling, and particularly relates to a soil sampling device for building construction, which comprises a pedestal, two lifting frames are arranged on the end surface of the pedestal, a moving plate is slidably arranged between the two lifting frames, a mounting shell is arranged on the end surface of the moving plate, and a sampling lifting assembly is arranged on the end surface of the mounting shell. The sampling lifting assembly is connected with a sampling rod, an outer barrel is rotationally arranged on the portion, on the bottom end face of the moving plate, of the outer portion of the sampling rod, and a drill bit is arranged at one end of the outer barrel. Large stone particles are prevented from influencing acquisition of soil information; by arranging the sampling rod and the sampling barrel, repeated drilling can be prevented, performance consumption is reduced, meanwhile, the drilling straightness can be improved, repeated sampling is avoided, and then the accuracy of soil collection information is improved.

According to the mechanical automatic grabbing device for the assembly line, when the grabbing device conducts grabbing operation, a positioning suction cup composed of a supporting cylinder body, a piston body, a connecting sleeve, a suction cup head and a one-way valve body is used for positioning an object, a jacking spring in the supporting cylinder body acts on the piston body, and the suction cup head is promoted to keep a suction state on the object; a vacuum pump and other pneumatic assemblies do not need to be introduced for pressure reduction of the suction cups so as to ensure that the suction cups have suction force, in the grabbing process, the jacking springs in the supporting cylinder bodies can buffer the force of the clamping plates for grabbing the objects, and the situation that the to-be-clamped objects are damaged when the clamping plates grab the objects is avoided.

The invention discloses a clockwise and anticlockwise bidirectional synchronous rolling firework and cracker medicine mixing, stirring and screening device. The inner rotating shaft is fixed with the driving piece, and a first bevel gear is fixedly sleeved on the inner rotating shaft; the outer rotating shaft is sleeved on the inner rotating shaft, and a second bevel gear is fixedly sleeved on the outer rotating shaft; the first outer sleeve is arranged on the outer rotating shaft in a sleeving mode, a supporting piece is fixed to the first outer sleeve, a middle rotating shaft is arranged on the supporting piece, a middle bevel gear is fixedly arranged on the middle rotating shaft in a sleeving mode, and the middle bevel gear is in meshing transmission connection with the first bevel gear and the second bevel gear; the inner screen barrel is fixed with the inner rotating shaft; the outer screening barrel covers the inner screening barrel, and the outer screening barrel is fixed to the outer rotating shaft. According to the device, the inner screening barrel and the outer screening barrel which are nested inside and outside can be synchronously driven to rotate clockwise and anticlockwise by using a single driving piece, so that the device is simple in overall structure, small in size and convenient to transport, two-time stirring and screening of explosives can be realized, the stirring uniformity of the explosives can be improved, and the explosion effect is further improved.

The integrated drilling pile hole cleaning system comprises a circulating drilling machine main machine and a mud and sand separation system which are arranged on a crawler-type moving platform, the mud and sand separation system comprises a mud and sand separator, a sand outlet, a slurry outlet and a feeding port are formed in the mud and sand separator, the circulating drilling machine main machine is externally connected with a drilling rod, and a backflow hole is formed in the middle of the drilling rod; the backflow hole is communicated with the feeding port through a mud pump, the sand outlet is externally connected with a sand bag, and the slurry outlet is communicated to a pile hole through a mud pipe. The circulating drilling machine main machine and the mud and sand separation system are arranged on the crawler-type moving platform, transfer of the integrated drilling pile hole cleaning system can be rapidly achieved, the drilling rod is designed to be attached to the surface of a pile hole through folding of a sleeve when pressure is kept during grouting, pile hole supporting is formed, the surface of the pile hole is prevented from collapsing, and the drilling efficiency is improved. Meanwhile, in combination with treatment of the mud-sand separator, the quality of the guided mud is improved, part of residues are prevented from floating in the mud or precipitating at the bottom of a hole, and the construction quality is improved.

The utility model relates to the field of building engineering, in particular to a building structure pre-supporting device. The utility model provides a building structure pre-supporting device which can pre-support a high position and a low position of a building structure, ensure the stability of the building structure, prevent the building structure from collapsing and improve the supporting effect on the building structure. A building structure pre-supporting device comprises outer frames, connecting pieces and the like, the front outer frame and the rear outer frame are arranged, and the connecting pieces are connected to the left side and the right side of each outer frame. By rotating the rotating rod, the rotating rod moves downwards, the base makes contact with the ground, then other outer frames are installed at the high position of a building structure and connected with the hanging ring through the rope, then the tail end of the rope is fixed to the ground, and the high position and the low position of the building structure can be pre-supported; and the stability of the building structure is ensured, collapse of the building structure is avoided, and the supporting effect on the building structure is improved.

The invention relates to special sampling equipment for peat marsh wetland soil, which comprises a bottom plate, sliding plates are symmetrically arranged at the bottom of the bottom plate, an arc-shaped pressing plate is arranged on the rear side of the bottom of the bottom plate through a bracket, a pushing handle is arranged on the front side of the top of the bottom plate, and a drilling mechanism is arranged in the center of a fixed plate and the bottom plate; a cleaning mechanism is arranged in the sampling mechanism; according to the invention, the following problems can be solved: soil and water in a storage cylinder and a storage cover are separated and collected through cooperation of a moving pipe and a hollow round cake, and then the storage cylinder and the storage cover can be cleaned through the collected water after sampling is completed, so that residual soil is prevented from polluting a sample; through cooperation of the arc-shaped groove and the arc-shaped sampling plate, soil of different depths in the peat marshland can be sampled, and the labor intensity of workers is reduced; and through cooperation of a strip-shaped block and a mud baffle, soil is prevented from entering the cylinder to pollute the inner wall of the cylinder.

The invention discloses a raise-boring surface soil treatment method which comprises the following steps: calibrating a raise-boring reaming boundary and an outer boundary of a raise-boring machine bearing platform on the ground, sequentially constructing an inner soil protection cast-in-place pile and an outer soil protection cast-in-place pile on the periphery of the raise-boring reaming boundary, and constructing a raise-boring machine bearing cast-in-place pile according to the shape of a raise-boring machine base. And finally, a raise boring machine bearing platform used for supporting the raise boring machine is poured at the designated position. By arranging the inner soil protecting cast-in-place piles and the outer soil protecting cast-in-place piles which form a circle in a surrounding mode, the surface soil layer is supported and strengthened, the raise boring machine is supported, it is guaranteed that a raise reamer bit smoothly expands holes, a large amount of manpower and material resources do not need to be consumed for processing the surface soil layer, and the construction difficulty and the construction cost are reduced; all the cast-in-place piles are drilled into the unweathered rock, pile heads of the cast-in-place piles are fixed by a raise boring machine bearing platform formed by casting, the two ends of the cast-in-place piles are fixed, and the supporting effect on the surface soil layer is further improved.

The utility model relates to the technical field of fully-mechanized mining end hydraulic supports, in particular to an umbrella-shaped fully-mechanized mining end hydraulic support which comprises a first base, the left side of the top of the first base is rotationally connected with a first support, the top of the first base is rotationally connected with a first hydraulic rod, and the right side of the first base is rotationally connected with a first connecting rod. The first base and the second base are connected through the first connecting rod, combined use of the device is facilitated, the top beam is driven to move up and down through telescopic movement of the first hydraulic rod, the third hydraulic rod, the second hydraulic rod and the seventh hydraulic rod, the height of the top beam is adjusted, and the device is convenient to use. A fourth hydraulic rod, a fifth hydraulic rod and a sixth hydraulic rod do telescopic motion to drive a first supporting plate, a second supporting plate, a third supporting plate and a fourth supporting plate to rotate, and the stretching radians of the first supporting plate, the second supporting plate, the third supporting plate and the fourth supporting plate are adjusted.

The utility model discloses a geological exploration drilling anti-sloughing device which comprises a main rotating shaft, a box body is installed outside the main rotating shaft, an anti-blocking structure is arranged in the box body, and the top of the box body is connected with a conveying pipe used for conveying drying agents. The outer wall of the main rotating shaft is connected with a fan blade cylinder which is located below the box body and is used for uniformly and centrifugally rotating and spraying a drying agent to peripheral soil, and an outer sleeve which is used for compacting the peripheral soil is arranged outside the main rotating shaft and is located below the fan blade cylinder. According to the geological exploration drilling anti-collapse device, the drying agent conveyed into the box body by the conveying pipe is uniformly sprayed on the periphery of the inner wall of the hole through rotation of the fan blade cylinder, the drying agent absorbs moisture of soil on the inner wall of the hole, and collapse of the hole is further avoided.

The invention belongs to the technical field of geological drilling, and discloses hydrogeological drilling equipment which comprises a splash block, a plurality of supporting plates are fixedly connected to the periphery of the bottom of the splash block, supporting legs are slidably connected to the middles of the supporting plates, a sliding rail is fixedly connected to one side of the top of the splash block, and a linear motor is slidably connected to the outer side of the sliding rail. And a first driving motor is fixedly connected into the linear motor. A linear motor drives a first driving motor to move, the first driving motor moves to drive a first connecting rod to move, the first connecting rod moves to drive a first threaded sleeve and a sampling pipe to move, the sampling pipe moves to drive a drill bit to move, and when the sampling pipe moves downwards, the conical surface of the bottom of the sampling pipe makes contact with soil, and then the sampling pipe drills into the soil more easily; and the sampling pipe and the drill bit enter the soil together, so that the hole wall can be effectively supported during drilling, collapse and deformation of the hole wall during drilling are avoided, and the influence on the drilling quality and precision is avoided.